#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef KANJI_CODE_OVERRIDE #include #endif #ifdef KANJI_CODE_OVERRIDE PUBLIC char *str_kcode(HTkcode code) { char *p; static char buff[8]; if (current_char_set == TRANSPARENT) { p = "THRU"; } else if (!LYRawMode) { p = "RAW"; } else { switch (code) { case NOKANJI: p = "AUTO"; break; case EUC: p = "EUC+"; break; case SJIS: p = "SJIS"; break; case JIS: p = " JIS"; break; default: p = " ???"; break; } } if (no_table_center) { buff[0] = '!'; strcpy(buff + 1, p); } else { strcpy(buff, p); } return buff; } #endif #ifdef WIN_EX PRIVATE char *str_sjis(char *to, char *from) { if (!LYRawMode) { strcpy(to, from); #ifdef KANJI_CODE_OVERRIDE } else if (last_kcode == EUC) { EUC_TO_SJIS(from, to); } else if (last_kcode == SJIS) { strcpy(to, from); #endif } else { TO_SJIS(from, to); } return to; } PRIVATE void set_ws_title(char * str) { SetConsoleTitle(str); } #endif /* WIN_EX */ #ifdef SH_EX /* 1998/10/30 (Fri) 10:06:47 */ #define NOT_EQU 1 PRIVATE int str_n_cmp(const char *p, const char *q, int n) { if (n == 0) return 0; if (p == NULL) return NOT_EQU; if (q == NULL) return NOT_EQU; return strncmp(p, q, n); } #undef strncmp #define strncmp(p, q, r) str_n_cmp(p, q, r) #endif /* SH_EX */ #if defined(USE_EXTERNALS) || defined(WIN_EX) #include #endif #ifdef __EMX__ #include #endif #ifdef DIRED_SUPPORT #include #include #endif /* DIRED_SUPPORT */ #include #include /* two constants: */ PUBLIC HTLinkType * HTInternalLink = 0; PUBLIC HTAtom * WWW_SOURCE = 0; #ifndef DONT_TRACK_INTERNAL_LINKS #define NO_INTERNAL_OR_DIFFERENT(c,n) TRUE #define NONINTERNAL_OR_PHYS_DIFFERENT(p,n) (!curdoc.internal_link || \ are_phys_different(p,n)) #else /* TRACK_INTERNAL_LINKS */ #define NO_INTERNAL_OR_DIFFERENT(c,n) are_different(c,n) #define NONINTERNAL_OR_PHYS_DIFFERENT(p,n) are_different(p,n) #endif /* TRACK_INTERNAL_LINKS */ PRIVATE void exit_immediately_with_error_message PARAMS((int state, BOOLEAN first_file)); PRIVATE void status_link PARAMS((char *curlink_name, BOOLEAN show_more, BOOLEAN show_indx)); PRIVATE void show_main_statusline PARAMS((CONST LinkInfo curlink, int for_what)); PRIVATE void form_noviceline PARAMS((int)); PRIVATE int are_different PARAMS((DocInfo *doc1, DocInfo *doc2)); #ifndef DONT_TRACK_INTERNAL_LINKS PRIVATE int are_phys_different PARAMS((DocInfo *doc1, DocInfo *doc2)); #endif #define FASTTAB PRIVATE int sametext ARGS2( char *, een, char *, twee) { if (een && twee) return (strcmp(een, twee) == 0); return TRUE; } PUBLIC HTList * Goto_URLs = NULL; /* List of Goto URLs */ PUBLIC char * LYRequestTitle = NULL; /* newdoc.title in calls to getfile() */ PUBLIC char * LYRequestReferer = NULL; /* Referer, may be set in getfile() */ PRIVATE char prev_target[512]; #ifdef DISP_PARTIAL PUBLIC BOOLEAN display_partial = FALSE; /* could be enabled in HText_new() */ PUBLIC int NumOfLines_partial = 0; /* number of lines displayed in partial mode */ #endif PRIVATE int Newline = 0; PRIVATE DocInfo newdoc; PRIVATE DocInfo curdoc; PRIVATE char *traversal_host = NULL; PRIVATE char *traversal_link_to_add = NULL; PRIVATE char *owner_address = NULL; /* Holds the responsible owner's address */ PRIVATE char *ownerS_address = NULL; /* Holds owner's address during source fetch */ #ifdef TEXTFIELDS_MAY_NEED_ACTIVATION PRIVATE BOOL textinput_activated = FALSE; #else #define textinput_activated TRUE /* a current text input is always active */ #endif #ifdef INACTIVE_INPUT_STYLE_VH PUBLIC BOOL textinput_redrawn = FALSE; /*must be public since used in LYhighlight(..)*/ #endif #ifdef LY_FIND_LEAKS /* * Function for freeing allocated mainloop() variables. - FM */ PRIVATE void free_mainloop_variables NOARGS { LYFreeDocInfo(&newdoc); LYFreeDocInfo(&curdoc); #ifdef USE_COLOR_STYLE FREE(curdoc.style); FREE(newdoc.style); #endif FREE(traversal_host); FREE(traversal_link_to_add); FREE(owner_address); FREE(ownerS_address); #ifdef DIRED_SUPPORT clear_tags(); reset_dired_menu(); #endif /* DIRED_SUPPORT */ FREE(WWW_Download_File); /* LYGetFile.c/HTFWriter.c */ FREE(LYRequestReferer); return; } #endif /* LY_FIND_LEAKS */ #ifndef NO_LYNX_TRACE PRIVATE void TracelogOpenFailed NOARGS { WWW_TraceFlag = FALSE; if (LYCursesON) { HTUserMsg(TRACELOG_OPEN_FAILED); } else { fprintf(stderr, "%s\n", TRACELOG_OPEN_FAILED); exit(EXIT_FAILURE); } } PRIVATE BOOLEAN LYReopenTracelog ARGS1(BOOLEAN *, trace_flag_ptr) { CTRACE((tfp, "\nTurning off TRACE for fetch of log.\n")); LYCloseTracelog(); if ((LYTraceLogFP = LYAppendToTxtFile(LYTraceLogPath)) == NULL) { TracelogOpenFailed(); return FALSE; } if (TRACE) { WWW_TraceFlag = FALSE; *trace_flag_ptr = TRUE; } return TRUE; } PRIVATE void turn_trace_back_on ARGS1(BOOLEAN *, trace_flag_ptr) { if (*trace_flag_ptr == TRUE) { WWW_TraceFlag = TRUE; *trace_flag_ptr = FALSE; fprintf(tfp, "Turning TRACE back on.\n\n"); } } #else #define LYReopenTracelog(flag) TRUE #define turn_trace_back_on(flag) /*nothing*/ #endif /* NO_LYNX_TRACE */ PUBLIC FILE *TraceFP NOARGS { #ifndef NO_LYNX_TRACE if (LYTraceLogFP != 0) { return LYTraceLogFP; } #endif /* NO_LYNX_TRACE */ return stderr; } PUBLIC BOOLEAN LYOpenTraceLog NOARGS { #ifndef NO_LYNX_TRACE if (TRACE && LYUseTraceLog && LYTraceLogFP == NULL) { /* * If we can't open it for writing, give up. Otherwise, on VMS close * it, delete it and any versions from previous sessions so they don't * accumulate, and open it again. - FM */ if ((LYTraceLogFP = LYNewTxtFile(LYTraceLogPath)) == NULL) { TracelogOpenFailed(); return FALSE; } #ifdef VMS LYCloseTracelog(); HTSYS_remove(LYTraceLogPath); if ((LYTraceLogFP = LYNewTxtFile(LYTraceLogPath)) == NULL) { TracelogOpenFailed(); return FALSE; } #endif /* VMS */ fflush(stdout); fflush(stderr); fprintf(tfp, "\t\t%s (%s)\n\n", LYNX_TRACELOG_TITLE, LYNX_VERSION); /* * If TRACE is on, indicate whether the * anonymous restrictions are set. - FM, LP, kw * This is only a summary for convenience - it doesn't * take the case of individual -restrictions= options * into account. - kw */ if (LYValidate) { if (LYRestricted && had_restrictions_default) { CTRACE((tfp, "Validate and some anonymous restrictions are set.\n")); } else if (had_restrictions_default) { CTRACE((tfp, "Validate restrictions set, restriction \"default\" was given.\n")); } else if (LYRestricted) { CTRACE((tfp, "Validate restrictions set, additional anonymous restrictions ignored.\n")); } else { CTRACE((tfp, "Validate restrictions are set.\n")); } /* But none of the above can actually happen, since there should * never be a Trace Log with -validate. If it appears in a log * file something went wrong! */ } else if (LYRestricted) { if (had_restrictions_all) { CTRACE((tfp, "Anonymous restrictions set, restriction \"all\" was given.\n")); } else { CTRACE((tfp, "Anonymous restrictions are set.\n")); } } else if (had_restrictions_all && had_restrictions_default) { CTRACE((tfp, "Restrictions \"all\" and \"default\" were given.\n")); } else if (had_restrictions_default) { CTRACE((tfp, "Restriction \"default\" was given.\n")); } else if (had_restrictions_all) { CTRACE((tfp, "\"all\" restrictions are set.\n")); } } #endif /* NO_LYNX_TRACE */ return TRUE; } PUBLIC void LYCloseTracelog NOARGS { #ifndef NO_LYNX_TRACE if (LYTraceLogFP != 0) { fflush(stdout); fflush(stderr); fclose(LYTraceLogFP); LYTraceLogFP = 0; } #endif /* NO_LYNX_TRACE */ } PUBLIC void handle_LYK_TRACE_TOGGLE NOARGS { #ifndef NO_LYNX_TRACE WWW_TraceFlag = ! WWW_TraceFlag; if (LYOpenTraceLog()) HTUserMsg(WWW_TraceFlag ? TRACE_ON : TRACE_OFF); #else HTUserMsg(TRACE_DISABLED); #endif /* NO_LYNX_TRACE */ } PUBLIC void LYSetNewline ARGS1( int, value) { Newline = value; } PUBLIC int LYGetNewline NOARGS { return Newline; } #ifdef USE_SOURCE_CACHE PRIVATE BOOLEAN from_source_cache = FALSE; /* * Like HTreparse_document(), but also set the flag. */ PRIVATE BOOLEAN reparse_document NOARGS { BOOLEAN ok; from_source_cache = TRUE; /* set for LYMainLoop_pageDisplay() */ if ((ok = HTreparse_document()) != FALSE) { from_source_cache = TRUE; /* set for mainloop refresh */ return ok; } from_source_cache = FALSE; return ok; } #endif /* USE_SOURCE_CACHE */ /* * Prefer reparsing if we can, but reload if we must - to force regeneration * of the display. */ PRIVATE BOOLEAN reparse_or_reload ARGS1( int *, cmd) { #ifdef USE_SOURCE_CACHE if (reparse_document()) { return FALSE; } #endif *cmd = LYK_RELOAD; return TRUE; } /* * Functions for setting the current address */ PRIVATE void set_address ARGS2( DocInfo *, doc, CONST char *, address) { StrAllocCopy(doc->address, address); } PRIVATE void copy_address ARGS2( DocInfo *, dst, DocInfo *, src) { StrAllocCopy(dst->address, src->address); } PRIVATE void free_address ARGS1( DocInfo *, doc) { FREE(doc->address); } PRIVATE void move_address ARGS2( DocInfo *, dst, DocInfo *, src) { copy_address(dst, src); free_address(src); } #ifdef DISP_PARTIAL /* * This is for traversal call from within partial mode in LYUtils.c * and HTFormat.c It simply calls HText_pageDisplay() but utilizes * LYMainLoop.c PRIVATE variables to manage proper newline position * in case of #fragment */ PUBLIC BOOL LYMainLoop_pageDisplay ARGS1( int, line_num) { CONST char * pound; int prev_newline = Newline; /* * Override Newline with a new value if user * scrolled the document while loading (in LYUtils.c). */ Newline = line_num; #ifdef USE_SOURCE_CACHE /* * reparse_document() acts on 'curdoc' which always on top of the * history stack: no need to resolve #fragment position since * we already know it (curdoc.line). * So bypass here. Sorry for possible confusion... */ if (!from_source_cache) #endif /* * If the requested URL has the #fragment, and we are not popped * from the history stack, and have not scrolled the document yet - * we should calculate correct newline position for the fragment. * (This is a bit suboptimal since HTFindPoundSelector() traverse * anchors list each time, so we have a quadratic complexity * and may load CPU in a worst case). */ if (display_partial && newdoc.line == 1 && line_num == 1 && prev_newline == 1 && (pound = findPoundSelector(newdoc.address)) && *pound && *(pound+1)) { if (HTFindPoundSelector(pound+1)) { /* HTFindPoundSelector will initialize www_search_result */ Newline = www_search_result; } else { Newline = prev_newline; /* restore ??? */ return NO; /* no repaint */ } } HText_pageDisplay(Newline, prev_target); return YES; } #endif /* DISP_PARTIAL */ PRIVATE void set_curdoc_link ARGS1( int, nextlink) { if (curdoc.link != nextlink && nextlink >= 0 && nextlink < nlinks) { if (curdoc.link >= 0 && curdoc.link < nlinks) LYhighlight(OFF, curdoc.link, prev_target); curdoc.link = nextlink; } } PRIVATE int do_change_link NOARGS { #ifdef USE_MOUSE /* Is there a mouse-clicked link waiting? */ int mouse_tmp = get_mouse_link(); /* If yes, use it as the link */ if (mouse_tmp != -1) { if (mouse_tmp < 0 || mouse_tmp >= nlinks) { char *msgtmp = NULL; HTSprintf0(&msgtmp, gettext("Internal error: Invalid mouse link %d!"), mouse_tmp); HTAlert(msgtmp); FREE(msgtmp); return(-1); /* indicates unexpected error */ } set_curdoc_link(mouse_tmp); } #endif /* USE_MOUSE */ return(0); /* indicates OK */ } #ifdef DIRED_SUPPORT #define DIRED_UNCACHE_1 if (LYAutoUncacheDirLists < 1) /*nothing*/ ;\ else HTuncache_current_document() #define DIRED_UNCACHE_2 if (LYAutoUncacheDirLists < 2) /*nothing*/ ;\ else HTuncache_current_document() #endif /* DIRED_SUPPORT */ PRIVATE void do_check_goto_URL ARGS3( char *, user_input_buffer, char **, old_user_input, BOOLEAN *, force_load) { static BOOLEAN always = TRUE; static struct { CONST char *name; BOOLEAN *flag; } table[] = { { STR_FILE_URL, &no_file_url }, { STR_FILE_URL, &no_goto_file }, { STR_LYNXEXEC, &no_goto_lynxexec }, { STR_LYNXPROG, &no_goto_lynxprog }, { STR_LYNXCGI, &no_goto_lynxcgi }, { STR_CSO_URL, &no_goto_cso }, { STR_FINGER_URL, &no_goto_finger }, { STR_FTP_URL, &no_goto_ftp }, { STR_GOPHER_URL, &no_goto_gopher }, { STR_HTTP_URL, &no_goto_http }, { STR_HTTPS_URL, &no_goto_https }, { STR_MAILTO_URL, &no_goto_mailto }, { STR_RLOGIN_URL, &no_goto_rlogin }, { STR_TELNET_URL, &no_goto_telnet }, { STR_TN3270_URL, &no_goto_tn3270 }, { STR_WAIS_URL, &no_goto_wais }, #ifndef DISABLE_BIBP { STR_BIBP_URL, &no_goto_bibp }, #endif #ifndef DISABLE_NEWS { STR_NEWS_URL, &no_goto_news }, { STR_NNTP_URL, &no_goto_nntp }, { STR_SNEWS_URL, &no_goto_snews }, #endif #ifdef EXEC_LINKS { STR_LYNXEXEC, &local_exec_on_local_files }, { STR_LYNXPROG, &local_exec_on_local_files }, #endif /* EXEC_LINKS */ { STR_LYNXCFG, &no_goto_configinfo }, { STR_LYNXCFLAGS, &no_goto_configinfo }, { STR_LYNXCOOKIE, &always }, { STR_LYNXDIRED, &always }, { STR_LYNXDOWNLOAD, &always }, { STR_LYNXOPTIONS, &always }, { STR_LYNXPRINT, &always }, }; unsigned n; BOOLEAN found = FALSE; /* allow going to anchors*/ if (*user_input_buffer == '#' ) { if ( user_input_buffer[1] && HTFindPoundSelector(user_input_buffer+1) ) { /* HTFindPoundSelector will initialize www_search_result, so we do nothing else. */ HTAddGotoURL(user_input_buffer); trimPoundSelector(curdoc.address); StrAllocCat(curdoc.address, user_input_buffer); } } else { /* * If it's not a URL then make it one. */ StrAllocCopy(*old_user_input, user_input_buffer); LYEnsureAbsoluteURL(old_user_input, "", TRUE); sprintf(user_input_buffer, "%.*s", (int)(MAX_LINE - 1), *old_user_input); FREE(*old_user_input); for (n = 0; n < TABLESIZE(table); n++) { if (*(table[n].flag) && !strncmp(user_input_buffer, table[n].name, strlen(table[n].name))) { found = TRUE; HTUserMsg2(GOTO_XXXX_DISALLOWED, table[n].name); break; } } if (found) { ; } else if (LYValidate && !isHTTP_URL(user_input_buffer) && !isHTTPS_URL(user_input_buffer)) { HTUserMsg(GOTO_NON_HTTP_DISALLOWED); } else { set_address(&newdoc, user_input_buffer); newdoc.isHEAD = FALSE; /* * Might be an anchor in the same doc from a POST * form. If so, dont't free the content. -- FM */ if (are_different(&curdoc, &newdoc)) { /* * Make a name for this new URL. */ StrAllocCopy(newdoc.title, gettext("A URL specified by the user")); LYFreePostData(&newdoc); FREE(newdoc.bookmark); newdoc.safe = FALSE; newdoc.internal_link = FALSE; *force_load = TRUE; #ifdef DIRED_SUPPORT if (lynx_edit_mode) { DIRED_UNCACHE_2; } #endif /* DIRED_SUPPORT */ } LYUserSpecifiedURL = TRUE; HTAddGotoURL(newdoc.address); } } } /* returns FALSE if user cancelled input or URL was invalid, TRUE otherwise */ PRIVATE BOOL do_check_recall ARGS7( int, ch, char *, user_input_buffer, char **, old_user_input, int, URLTotal, int *, URLNum, int, recall, BOOLEAN *, FirstURLRecall) { char *cp; BOOL ret = FALSE; if (*old_user_input == 0) StrAllocCopy(*old_user_input, ""); for (;;) { #ifdef WIN_EX /* 1998/10/11 (Sun) 10:41:05 */ int len = strlen(user_input_buffer); if (len >= 3) { if (len < MAX_LINE - 1 && LYIsHtmlSep(user_input_buffer[len - 3]) && LYIsDosDrive(user_input_buffer + len - 2)) LYAddPathSep0(user_input_buffer); } else if (len == 2 && user_input_buffer[1] == ':') { if (LYIsDosDrive(user_input_buffer)) { LYAddPathSep0(user_input_buffer); } else { HTUserMsg2(WWW_ILLEGAL_URL_MESSAGE, user_input_buffer); LYstrncpy(user_input_buffer, *old_user_input, MAX_LINE - 1); FREE(*old_user_input); ret = FALSE; break; } } #endif /* * Get rid of leading spaces (and any other spaces). */ LYTrimAllStartfile(user_input_buffer); if (*user_input_buffer == '\0' && !(recall && (ch == UPARROW || ch == DNARROW))) { LYstrncpy(user_input_buffer, *old_user_input, MAX_LINE - 1); FREE(*old_user_input); HTInfoMsg(CANCELLED); ret = FALSE; break; } if (recall && ch == UPARROW) { if (*FirstURLRecall) { /* * Use last URL in the list. - FM */ *FirstURLRecall = FALSE; *URLNum = 0; } else { /* * Go back to the previous URL in the list. - FM */ *URLNum += 1; } if (*URLNum >= URLTotal) /* * Roll around to the last URL in the list. - FM */ *URLNum = 0; if ((cp = (char *)HTList_objectAt(Goto_URLs, *URLNum)) != NULL) { LYstrncpy(user_input_buffer, cp, MAX_LINE - 1); if (goto_buffer && **old_user_input && !strcmp(*old_user_input, user_input_buffer)) { _statusline(EDIT_CURRENT_GOTO); } else if ((goto_buffer && URLTotal == 2) || (!goto_buffer && URLTotal == 1)) { _statusline(EDIT_THE_PREV_GOTO); } else { _statusline(EDIT_A_PREV_GOTO); } if ((ch = LYgetstr(user_input_buffer, VISIBLE, MAX_LINE, recall)) < 0) { /* * User cancelled the Goto via ^G. * Restore user_input_buffer and break. - FM */ LYstrncpy(user_input_buffer, *old_user_input, MAX_LINE - 1); FREE(*old_user_input); HTInfoMsg(CANCELLED); ret = FALSE; break; } continue; } } else if (recall && ch == DNARROW) { if (*FirstURLRecall) { /* * Use the first URL in the list. - FM */ *FirstURLRecall = FALSE; *URLNum = URLTotal - 1; } else { /* * Advance to the next URL in the list. - FM */ *URLNum -= 1; } if (*URLNum < 0) /* * Roll around to the first URL in the list. - FM */ *URLNum = URLTotal - 1; if ((cp=(char *)HTList_objectAt(Goto_URLs, *URLNum)) != NULL) { LYstrncpy(user_input_buffer, cp, MAX_LINE - 1); if (goto_buffer && **old_user_input && !strcmp(*old_user_input, user_input_buffer)) { _statusline(EDIT_CURRENT_GOTO); } else if ((goto_buffer && URLTotal == 2) || (!goto_buffer && URLTotal == 1)) { _statusline(EDIT_THE_PREV_GOTO); } else { _statusline(EDIT_A_PREV_GOTO); } if ((ch = LYgetstr(user_input_buffer, VISIBLE, MAX_LINE, recall)) < 0) { /* * User cancelled the Goto via ^G. * Restore user_input_buffer and break. - FM */ LYstrncpy(user_input_buffer, *old_user_input, MAX_LINE - 1); FREE(*old_user_input); HTInfoMsg(CANCELLED); ret = FALSE; break; } continue; } } else { ret = TRUE; break; } } return ret; } PRIVATE void do_cleanup_after_delete NOARGS { HTuncache_current_document(); move_address(&newdoc, &curdoc); newdoc.line = curdoc.line; if (curdoc.link == nlinks-1) { /* * We deleted the last link on the page. - FM */ newdoc.link = curdoc.link-1; } else { newdoc.link = curdoc.link; } } PRIVATE int find_link_near_col ARGS2( int, col, int, delta) { int i; for (i = curdoc.link; delta > 0 ? (i < nlinks) : (i >= 0); i += delta) { if ( (links[i].ly - links[curdoc.link].ly) * delta > 0 ) { int cy = links[i].ly, best = -1, dist = 1000000; while ((delta > 0 ? (i < nlinks) : (i >= 0)) && cy == links[i].ly) { int cx = links[i].lx; char *text = LYGetHiliteStr(i, 0); if (text != NULL) cx += strlen(text) / 2; cx -= col; if (cx < 0) cx = -cx; if (cx < dist) { dist = cx; best = i; } i += delta; } return(best); } } return(-1); } /* * This is a special feature to traverse every http link derived from startfile * and check for errors or create crawl output files. Only URL's that begin * with "traversal_host" are searched - this keeps the search from crossing to * other servers (a feature, not a bug!). */ PRIVATE int DoTraversal ARGS2( int, c, BOOLEAN *, crawl_ok) { BOOLEAN rlink_rejected = FALSE; BOOLEAN rlink_exists; BOOLEAN rlink_allowed; rlink_exists = (BOOL) (nlinks > 0 && links[curdoc.link].type != WWW_FORM_LINK_TYPE && links[curdoc.link].lname != NULL); if (rlink_exists) { rlink_rejected = lookup_reject(links[curdoc.link].lname); if (!rlink_rejected && traversal_host && links[curdoc.link].lname) { if (!isLYNXIMGMAP(links[curdoc.link].lname)) { rlink_allowed = (BOOL) !strncmp(traversal_host, links[curdoc.link].lname, strlen(traversal_host)); } else { rlink_allowed = (BOOL) !strncmp(traversal_host, links[curdoc.link].lname + LEN_LYNXIMGMAP, strlen(traversal_host)); } } else { rlink_allowed = FALSE; } } else { rlink_allowed = FALSE; } if (rlink_exists && rlink_allowed) { if (lookup(links[curdoc.link].lname)) { if (more_links || (curdoc.link > -1 && curdoc.link < nlinks -1)) c= DNARROW; else { if (STREQ(curdoc.title,"Entry into main screen") || (nhist <= 0 )) { if (!dump_output_immediately) { cleanup(); exit_immediately(EXIT_FAILURE); } return(-1); } c = LTARROW; } } else { StrAllocCopy(traversal_link_to_add, links[curdoc.link].lname); if (!isLYNXIMGMAP(traversal_link_to_add)) *crawl_ok = TRUE; c = RTARROW; } } else { /* no good right link, so only down and left arrow ok*/ if (rlink_exists /* && !rlink_rejected */) /* uncomment in previous line to avoid duplicates - kw */ add_to_reject_list(links[curdoc.link].lname); if (more_links || (curdoc.link > -1 && curdoc.link < nlinks-1)) c = DNARROW; else { /* * curdoc.title doesn't always work, so * bail out if the history list is empty. */ if (STREQ(curdoc.title,"Entry into main screen") || (nhist <= 0 )) { if (!dump_output_immediately) { cleanup(); exit_immediately(EXIT_FAILURE); } return(-1); } c = LTARROW; } } /* right link not NULL or link to another site*/ return c; } #ifndef DONT_TRACK_INTERNAL_LINKS PRIVATE BOOLEAN check_history NOARGS { CONST char *base; if (!curdoc.post_data) /* * Normal case - List Page is not associated * with post data. - kw */ return TRUE; if (nhist > 0 && !LYresubmit_posts && HDOC(nhist - 1).post_data && BINEQ(curdoc.post_data, HDOC(nhist - 1).post_data) && (base = HText_getContentBase()) != 0) { char *text = !isLYNXIMGMAP(HDOC(nhist - 1).address) ? HDOC(nhist - 1).address : HDOC(nhist - 1).address + LEN_LYNXIMGMAP; if (!strncmp(base, text, strlen(base))) { /* * Normal case - as best as we can check, the document at the top * of the history stack seems to be the document the List Page is * about (or a LYNXIMGMAP derived from it), and LYresubmit_posts is * not set, so don't prompt here. If we actually have to repeat a * POST because, against expectations, the underlying document * isn't cached any more, HTAccess will prompt for confirmation, * unless we had LYK_NOCACHE -kw */ return TRUE; } } return FALSE; } #endif PRIVATE int handle_LYK_ACTIVATE ARGS6( int *, c, int, cmd GCC_UNUSED, BOOLEAN *, try_internal GCC_UNUSED, BOOLEAN *, refresh_screen, BOOLEAN *, force_load, int, real_cmd) { if (do_change_link() == -1) { LYforce_no_cache = FALSE; reloading = FALSE; return 1; /* mouse stuff was confused, ignore - kw */ } if (nlinks > 0) { if (links[curdoc.link].type == WWW_FORM_LINK_TYPE) { #ifdef TEXTFIELDS_MAY_NEED_ACTIVATION if (real_cmd == LYK_ACTIVATE && textfields_need_activation && F_TEXTLIKE(links[curdoc.link].l_form->type)) { textinput_activated = TRUE; show_main_statusline(links[curdoc.link], FOR_INPUT); textfields_need_activation = textfields_activation_option; return 0; } #endif /* * Don't try to submit forms with bad actions. - FM */ if (links[curdoc.link].l_form->type == F_SUBMIT_TYPE || links[curdoc.link].l_form->type == F_IMAGE_SUBMIT_TYPE || links[curdoc.link].l_form->type == F_TEXT_SUBMIT_TYPE) { /* * Do nothing if it's disabled. - FM */ if (links[curdoc.link].l_form->disabled == YES) { HTOutputFormat = WWW_PRESENT; LYforce_no_cache = FALSE; reloading = FALSE; return 0; } /* * Make sure we have an action. - FM */ if (!links[curdoc.link].l_form->submit_action || *links[curdoc.link].l_form->submit_action == '\0') { HTUserMsg(NO_FORM_ACTION); HTOutputFormat = WWW_PRESENT; LYforce_no_cache = FALSE; reloading = FALSE; return 0; } /* * Check for no_mail if the form action * is a mailto URL. - FM */ if (links[curdoc.link].l_form->submit_method == URL_MAIL_METHOD && no_mail) { HTAlert(FORM_MAILTO_DISALLOWED); HTOutputFormat = WWW_PRESENT; LYforce_no_cache = FALSE; reloading = FALSE; return 0; } /* * Make sure this isn't a spoof in an account * with restrictions on file URLs. - FM */ if (no_file_url && isFILE_URL(links[curdoc.link].l_form->submit_action)) { HTAlert(FILE_ACTIONS_DISALLOWED); HTOutputFormat = WWW_PRESENT; LYforce_no_cache = FALSE; reloading = FALSE; return 0; } /* * Make sure this isn't a spoof attempt * via an internal URL. - FM */ if (isLYNXCOOKIE(links[curdoc.link].l_form->submit_action) || #ifdef DIRED_SUPPORT #ifdef OK_PERMIT (isLYNXDIRED(links[curdoc.link].l_form->submit_action) && (no_dired_support || strncasecomp( (links[curdoc.link].l_form->submit_action + 10), "//PERMIT_LOCATION", 17) || !LYIsUIPage(curdoc.address, UIP_PERMIT_OPTIONS))) || #else isLYNXDIRED(links[curdoc.link].l_form->submit_action) || #endif /* OK_PERMIT */ #endif /* DIRED_SUPPORT */ isLYNXDOWNLOAD(links[curdoc.link].l_form->submit_action) || isLYNXHIST(links[curdoc.link].l_form->submit_action) || isLYNXKEYMAP(links[curdoc.link].l_form->submit_action) || isLYNXIMGMAP(links[curdoc.link].l_form->submit_action) || isLYNXPRINT(links[curdoc.link].l_form->submit_action) || isLYNXEXEC(links[curdoc.link].l_form->submit_action) || isLYNXPROG(links[curdoc.link].l_form->submit_action)) { HTAlert(SPECIAL_ACTION_DISALLOWED); CTRACE((tfp, "LYMainLoop: Rejected '%s'\n", links[curdoc.link].l_form->submit_action)); HTOutputFormat = WWW_PRESENT; LYforce_no_cache = FALSE; reloading = FALSE; return 0; } #ifdef NOTDEFINED /* We're disabling form inputs instead of using this. - FM */ /* * Check for enctype and let user know we * don't yet support multipart/form-data - FM */ if (links[curdoc.link].l_form->submit_enctype) { if (!strcmp( links[curdoc.link].l_form->submit_enctype, "multipart/form-data")) { HTAlert( gettext("Enctype multipart/form-data not yet supported! Cannot submit.")); HTOutputFormat = WWW_PRESENT; LYforce_no_cache = FALSE; reloading = FALSE; return 0; } } #endif /* NOTDEFINED */ if (check_realm) { LYPermitURL = TRUE; } if (no_filereferer == TRUE && isFILE_URL(curdoc.address)) { LYNoRefererForThis = TRUE; } if (links[curdoc.link].l_form->submit_method != URL_MAIL_METHOD) { StrAllocCopy(newdoc.title, LYGetHiliteStr(curdoc.link, 0)); } } /* * Normally we don't get here for text input fields, * but it can happen as a result of mouse positioning. * In that case the statusline will not have updated * info, so update it now. - kw */ if (F_TEXTLIKE(links[curdoc.link].l_form->type)) { show_formlink_statusline(links[curdoc.link].l_form, (real_cmd == LYK_NOCACHE || real_cmd == LYK_DOWNLOAD || real_cmd == LYK_HEAD || (real_cmd == LYK_SUBMIT && !textinput_activated)) ? FOR_PANEL : FOR_INPUT); if (user_mode == NOVICE_MODE && textinput_activated && (real_cmd == LYK_ACTIVATE || real_cmd == LYK_SUBMIT)) { form_noviceline(links[curdoc.link].l_form->disabled); } } *c = change_form_link(curdoc.link, &newdoc, refresh_screen, FALSE, (BOOLEAN)(real_cmd == LYK_SUBMIT || real_cmd == LYK_NOCACHE || real_cmd == LYK_DOWNLOAD || real_cmd == LYK_HEAD)); if (*c != LKC_DONE || *refresh_screen) { /* * Cannot have been a submit field for which * newdoc was filled in. - kw */ if ((links[curdoc.link].l_form->type == F_SUBMIT_TYPE || links[curdoc.link].l_form->type == F_IMAGE_SUBMIT_TYPE || links[curdoc.link].l_form->type == F_TEXT_SUBMIT_TYPE) && links[curdoc.link].l_form->submit_method != URL_MAIL_METHOD) { /* * Try to undo change of newdoc.title done above. */ if (HText_getTitle()) { StrAllocCopy(newdoc.title, HText_getTitle()); } else if (curdoc.title) { StrAllocCopy(newdoc.title, curdoc.title); } } } else { if (HTOutputFormat == HTAtom_for("www/download") && newdoc.post_data != NULL && newdoc.safe == FALSE) { if ((HText_POSTReplyLoaded(&newdoc) == TRUE) && HTConfirm(CONFIRM_POST_RESUBMISSION) == FALSE) { HTInfoMsg(CANCELLED); HTOutputFormat = WWW_PRESENT; LYforce_no_cache = FALSE; copy_address(&newdoc, &curdoc); StrAllocCopy(newdoc.title, curdoc.title); BStrCopy(newdoc.post_data, curdoc.post_data); StrAllocCopy(newdoc.post_content_type, curdoc.post_content_type); StrAllocCopy(newdoc.bookmark, curdoc.bookmark); newdoc.isHEAD = curdoc.isHEAD; newdoc.safe = curdoc.safe; newdoc.internal_link = curdoc.internal_link; return 0; } } /* * Moved here from earlier to only apply when it * should. Anyway, why should realm checking be * overridden for form submissions, this seems to * be an unnecessary loophole?? But that's the way * it was, maybe there is some reason. * However, at least make sure this doesn't weaken * restrictions implied by -validate! * - kw 1999-05-25 */ if (check_realm && !LYValidate) { LYPermitURL = TRUE; } } if (*c == LKC_DONE) { *c = DO_NOTHING; } else if (*c == 23) { *c = DO_NOTHING; *refresh_screen = TRUE; } else { /* Avoid getting stuck with repeatedly calling ** handle_LYK_ACTIVATE(), instead of calling ** change_form_link() directly from mainloop(), ** for text input fields. - kw */ switch (LKC_TO_C(*c)) { case '\n': case '\r': default: if ((real_cmd == LYK_ACTIVATE || real_cmd == LYK_SUBMIT) && F_TEXTLIKE(links[curdoc.link].l_form->type) && textinput_activated) return 3; break; } } return 2; } else { /* * Not a forms link. * * Make sure this isn't a spoof in an account * with restrictions on file URLs. - FM */ if (no_file_url && isFILE_URL(links[curdoc.link].lname)) { if (!isFILE_URL(curdoc.address) && !((isLYNXKEYMAP(curdoc.address) || isLYNXCOOKIE(curdoc.address)) && !strncmp(links[curdoc.link].lname, helpfilepath, strlen(helpfilepath)))) { HTAlert(FILE_SERVED_LINKS_DISALLOWED); reloading = FALSE; return 0; } else if (curdoc.bookmark != NULL) { HTAlert(FILE_BOOKMARKS_DISALLOWED); reloading = FALSE; return 0; } } /* * Make sure this isn't a spoof attempt * via an internal URL in a non-internal * document. - FM */ if ((isLYNXCOOKIE(links[curdoc.link].lname) && (strcmp(NonNull(curdoc.title), COOKIE_JAR_TITLE) || !isLYNXCOOKIE(curdoc.address))) || #ifdef DIRED_SUPPORT (isLYNXDIRED(links[curdoc.link].lname) && !LYIsUIPage(curdoc.address, UIP_DIRED_MENU) && !LYIsUIPage(curdoc.address, UIP_PERMIT_OPTIONS) && #ifdef OK_INSTALL !LYIsUIPage(curdoc.address, UIP_INSTALL) && #endif /* OK_INSTALL */ !LYIsUIPage(curdoc.address, UIP_UPLOAD_OPTIONS)) || #endif /* DIRED_SUPPORT */ (isLYNXDOWNLOAD(links[curdoc.link].lname) && !LYIsUIPage(curdoc.address, UIP_DOWNLOAD_OPTIONS)) || (isLYNXHIST(links[curdoc.link].lname) && !LYIsUIPage(curdoc.address, UIP_HISTORY) && !LYIsUIPage(curdoc.address, UIP_LIST_PAGE) && !LYIsUIPage(curdoc.address, UIP_ADDRLIST_PAGE)) || (isLYNXPRINT(links[curdoc.link].lname) && !LYIsUIPage(curdoc.address, UIP_PRINT_OPTIONS))) { HTAlert(SPECIAL_VIA_EXTERNAL_DISALLOWED); HTOutputFormat = WWW_PRESENT; LYforce_no_cache = FALSE; reloading = FALSE; return 0; } #ifdef USE_EXTERNALS if (run_external(links[curdoc.link].lname, TRUE)) { *refresh_screen = TRUE; return 0; } #endif /* USE_EXTERNALS */ /* * Follow a normal link or anchor. */ set_address(&newdoc, links[curdoc.link].lname); StrAllocCopy(newdoc.title, LYGetHiliteStr(curdoc.link, 0)); #ifndef DONT_TRACK_INTERNAL_LINKS /* * For internal links, retain POST content if present. * If we are on the List Page, prevent pushing it on * the history stack. Otherwise set try_internal to * signal that the top of the loop should attempt to * reposition directly, without calling getfile. - kw */ /* * Might be an internal link anchor in the same doc. * If so, take the try_internal shortcut if we didn't * fall through from LYK_NOCACHE. - kw */ newdoc.internal_link = (links[curdoc.link].type == WWW_INTERN_LINK_TYPE); if (newdoc.internal_link) { /* * Special case of List Page document with an * internal link indication, which may really stand * for an internal link within the document the * List Page is about. - kw */ if (LYIsListpageTitle(NonNull(curdoc.title)) && (LYIsUIPage(curdoc.address, UIP_LIST_PAGE) || LYIsUIPage(curdoc.address, UIP_ADDRLIST_PAGE))) { if (check_history()) { LYinternal_flag = TRUE; } else { HTLastConfirmCancelled(); /* reset flag */ if (!confirm_post_resub(newdoc.address, newdoc.title, (LYresubmit_posts && HText_POSTReplyLoaded(&newdoc)) ? 1 : 2, 2)) { if (HTLastConfirmCancelled() || (LYresubmit_posts && cmd != LYK_NOCACHE && !HText_POSTReplyLoaded(&newdoc))) { /* cancel the whole thing */ LYforce_no_cache = FALSE; reloading = FALSE; copy_address(&newdoc, &curdoc); StrAllocCopy(newdoc.title, curdoc.title); newdoc.internal_link = curdoc.internal_link; HTInfoMsg(CANCELLED); return 1; } else if (LYresubmit_posts && cmd != LYK_NOCACHE) { /* If LYresubmit_posts is set, and the answer was No, and the key wasn't NOCACHE, and we have a cached copy, then use it. - kw */ LYforce_no_cache = FALSE; } else { /* if No, but not ^C or ^G, drop * the post data. Maybe the link * wasn't meant to be internal after * all, here we can recover from that * assumption. - kw */ LYFreePostData(&newdoc); newdoc.internal_link = FALSE; HTAlert(DISCARDING_POST_DATA); } } } /* * Don't push the List Page if we follow an * internal link given by it. - kw */ free_address(&curdoc); } else if (cmd != LYK_NOCACHE) { *try_internal = TRUE; } if (!(LYresubmit_posts && newdoc.post_data)) LYinternal_flag = TRUE; /* We still set force_load so that history pushing ** etc. will be done. - kw */ *force_load = TRUE; return 1; } else { /* * Free POST content if not an internal link. - kw */ LYFreePostData(&newdoc); } #endif /* TRACK_INTERNAL_LINKS */ /* * Might be an anchor in the same doc from a POST * form. If so, don't free the content. -- FM */ if (are_different(&curdoc, &newdoc)) { LYFreePostData(&newdoc); FREE(newdoc.bookmark); if (isLYNXMESSAGES(newdoc.address)) LYforce_no_cache = TRUE; } if (!no_jump && lynxjumpfile && curdoc.address && !strcmp(lynxjumpfile, curdoc.address)) { LYJumpFileURL = TRUE; LYUserSpecifiedURL = TRUE; } else if ((curdoc.title && (LYIsUIPage(curdoc.address, UIP_HISTORY) || !strcmp(curdoc.title, HISTORY_PAGE_TITLE))) || curdoc.bookmark != NULL || (lynxjumpfile && !strcmp(lynxjumpfile, curdoc.address))) { LYUserSpecifiedURL = TRUE; } else if (no_filereferer == TRUE && isFILE_URL(curdoc.address)) { LYNoRefererForThis = TRUE; } newdoc.link = 0; *force_load = TRUE; /* force MainLoop to reload */ #ifdef USE_PRETTYSRC psrc_view = FALSE; /* we get here if link is not internal */ #endif #if defined(DIRED_SUPPORT) && !defined(__DJGPP__) if (lynx_edit_mode) { DIRED_UNCACHE_2; /* * Unescaping any slash chars in the URL, * but avoid double unescaping and too-early * unescaping of other chars. - KW */ HTUnEscapeSome(newdoc.address,"/"); /* avoid stripping final slash for root dir - kw */ if (strcasecomp(newdoc.address, "file://localhost/")) strip_trailing_slash(newdoc.address); } #endif /* DIRED_SUPPORT && !__DJGPP__ */ if (isLYNXCOOKIE(curdoc.address)) { HTuncache_current_document(); } } } return 0; } #ifdef EXP_ADDRLIST_PAGE PRIVATE BOOLEAN handle_LYK_ADDRLIST ARGS1( int *, cmd) { /* * Don't do if already viewing list addresses page. */ if (LYIsUIPage(curdoc.address, UIP_ADDRLIST_PAGE)) { /* * Already viewing list page, so get out. */ *cmd = LYK_PREV_DOC; return TRUE; } /* * Print address list page to file. */ if (showlist(&newdoc, FALSE) < 0) return FALSE; StrAllocCopy(newdoc.title, ADDRLIST_PAGE_TITLE); /* * showlist will set newdoc's other fields. It may leave * post_data intact so the list can be used to follow * internal links in the current document even if it is * a POST response. - kw */ if (LYValidate || check_realm) { LYPermitURL = TRUE; StrAllocCopy(lynxlistfile, newdoc.address); } return FALSE; } #endif /* EXP_ADDRLIST_PAGE */ PRIVATE void handle_LYK_ADD_BOOKMARK ARGS3( BOOLEAN *, refresh_screen, int *, old_c, int, real_c) { int c; if (LYValidate) { if (*old_c != real_c) { *old_c = real_c; HTUserMsg(BOOKMARKS_DISABLED); } return; } if (!LYIsUIPage(curdoc.address, UIP_HISTORY) && !LYIsUIPage(curdoc.address, UIP_SHOWINFO) && !LYIsUIPage(curdoc.address, UIP_PRINT_OPTIONS) && #ifdef DIRED_SUPPORT !LYIsUIPage(curdoc.address, UIP_DIRED_MENU) && !LYIsUIPage(curdoc.address, UIP_PERMIT_OPTIONS) && !LYIsUIPage(curdoc.address, UIP_UPLOAD_OPTIONS) && #endif /* DIRED_SUPPORT */ !LYIsUIPage(curdoc.address, UIP_DOWNLOAD_OPTIONS) && !isLYNXCOOKIE(curdoc.address) && !LYIsUIPage(curdoc.address, UIP_OPTIONS_MENU) && ((nlinks <= 0) || (links[curdoc.link].lname != NULL && !isLYNXHIST(links[curdoc.link].lname) && !isLYNXPRINT(links[curdoc.link].lname) && !isLYNXDIRED(links[curdoc.link].lname) && !isLYNXDOWNLOAD(links[curdoc.link].lname) && !isLYNXCOOKIE(links[curdoc.link].lname) && !isLYNXPRINT(links[curdoc.link].lname)))) { if (nlinks > 0) { if (curdoc.post_data == NULL && curdoc.bookmark == NULL && !LYIsUIPage(curdoc.address, UIP_LIST_PAGE) && !LYIsUIPage(curdoc.address, UIP_ADDRLIST_PAGE) && !LYIsUIPage(curdoc.address, UIP_VLINKS)) { /* * The document doesn't have POST content, * and is not a bookmark file, nor is the * list or visited links page, so we can * save either that or the link. - FM */ _statusline(BOOK_D_L_OR_CANCEL); if ((c = LYgetch_single()) == 'D') { save_bookmark_link(curdoc.address, curdoc.title); *refresh_screen = TRUE; /* MultiBookmark support */ goto check_add_bookmark_to_self; } } else { if (LYMultiBookmarks == MBM_OFF && curdoc.bookmark != NULL && strstr(curdoc.address, (*bookmark_page == '.' ? (bookmark_page+1) : bookmark_page)) != NULL) { /* * If multiple bookmarks are disabled, offer * the L)ink or C)ancel, but with wording * which indicates that the link already * exists in this bookmark file. - FM */ _statusline(MULTIBOOKMARKS_SELF); } else if (curdoc.post_data != NULL && links[curdoc.link].type == WWW_INTERN_LINK_TYPE) { /* * Internal link, and document has POST content. */ HTUserMsg(NOBOOK_POST_FORM); return; } else { /* * Only offer the link in a document with * POST content, or if the current document * is a bookmark file and multiple bookmarks * are enabled. - FM */ _statusline(BOOK_L_OR_CANCEL); } c = LYgetch_single(); } if (c == 'L') { if (curdoc.post_data != NULL && links[curdoc.link].type == WWW_INTERN_LINK_TYPE) { /* * Internal link, and document has POST content. */ HTUserMsg(NOBOOK_POST_FORM); return; } /* * User does want to save the link. - FM */ if (links[curdoc.link].type != WWW_FORM_LINK_TYPE) { save_bookmark_link(links[curdoc.link].lname, LYGetHiliteStr(curdoc.link, 0)); *refresh_screen = TRUE; /* MultiBookmark support */ } else { HTUserMsg(NOBOOK_FORM_FIELD); return; } } else { return; } } else if (curdoc.post_data != NULL) { /* * No links, and document has POST content. - FM */ HTUserMsg(NOBOOK_POST_FORM); return; } else if (curdoc.bookmark != NULL) { /* * It's a bookmark file from which all * of the links were deleted. - FM */ HTUserMsg(BOOKMARKS_NOLINKS); return; } else { _statusline(BOOK_D_OR_CANCEL); if (LYgetch_single() == 'D') { save_bookmark_link(curdoc.address, curdoc.title); *refresh_screen = TRUE; /* MultiBookmark support */ } else { return; } } check_add_bookmark_to_self: if (curdoc.bookmark && BookmarkPage && !strcmp(curdoc.bookmark, BookmarkPage)) { HTuncache_current_document(); move_address(&newdoc, &curdoc); StrAllocCopy(newdoc.bookmark, curdoc.bookmark); newdoc.line = curdoc.line; newdoc.link = curdoc.link; newdoc.internal_link = FALSE; } } else { if (*old_c != real_c) { *old_c = real_c; HTUserMsg(NOBOOK_HSML); } } } PRIVATE void handle_LYK_CLEAR_AUTH ARGS2( int *, old_c, int, real_c) { if (*old_c != real_c) { *old_c = real_c; if (HTConfirm(CLEAR_ALL_AUTH_INFO)) { FREE(authentication_info[0]); FREE(authentication_info[1]); FREE(proxyauth_info[0]); FREE(proxyauth_info[1]); HTClearHTTPAuthInfo(); #ifndef DISABLE_NEWS HTClearNNTPAuthInfo(); #endif #ifndef DISABLE_FTP HTClearFTPPassword(); #endif HTUserMsg(AUTH_INFO_CLEARED); } else { HTUserMsg(CANCELLED); } } } PRIVATE int handle_LYK_COMMAND ARGS1( char *, user_input_buffer) { int ch; Kcmd *mp; char *src, *tmp; *user_input_buffer = 0; _statusline(": "); if (LYgetstr(user_input_buffer, VISIBLE, MAX_LINE, RECALL_CMD) >= 0) { src = LYSkipBlanks(user_input_buffer); tmp = LYSkipNonBlanks(src); *tmp = 0; ch = ((mp = LYStringToKcmd(src)) != 0) ? mp->code : 0; CTRACE((tfp, "LYK_COMMAND(%s.%s) = %d\n", src, tmp, ch)); if (ch == 0) { return *src ? -1 : 0; } /* FIXME: reuse the rest of the buffer for parameters */ return ch; } return 0; } PRIVATE void handle_LYK_COMMENT ARGS4( BOOLEAN *, refresh_screen, char **, owner_address_p, int *, old_c, int, real_c) { int c; if (!*owner_address_p && strncasecomp(curdoc.address, "http", 4)) { if (*old_c != real_c) { *old_c = real_c; HTUserMsg(NO_OWNER); } } else if (no_mail) { if (*old_c != real_c) { *old_c = real_c; HTUserMsg(MAIL_DISALLOWED); } } else { if (HTConfirmDefault(CONFIRM_COMMENT, NO)) { if (!*owner_address_p) { /* * No owner defined, so make a guess and * and offer it to the user. - FM */ char *address = NULL; char *temp = HTParse(curdoc.address, "", PARSE_PATH); char *cp; if (temp != NULL) { HTUnEscape(temp); if (*temp == '~' && strlen(temp) > 1) { /* * It's a ~user URL so guess user@host. - FM */ if ((cp = strchr((temp+1), '/')) != NULL) *cp = '\0'; StrAllocCopy(address, STR_MAILTO_URL); StrAllocCat(address, (temp+1)); StrAllocCat(address, "@"); } FREE(temp); } if (address == NULL) /* * Wasn't a ~user URL so guess WebMaster@host. - FM */ StrAllocCopy(address, "mailto:WebMaster@"); temp = HTParse(curdoc.address, "", PARSE_HOST); StrAllocCat(address, temp); HTSprintf0(&temp, NO_OWNER_USE, address); c = HTConfirmDefault(temp, NO); FREE(temp); if (c == YES) { StrAllocCopy(*owner_address_p, address); FREE(address); } else { FREE(address); return; } } if (is_url(*owner_address_p) != MAILTO_URL_TYPE) { /* * The address is a URL. Just follow the link. */ set_address(&newdoc, *owner_address_p); newdoc.internal_link = FALSE; } else { /* * The owner_address is a mailto: URL. */ CONST char *kp = HText_getRevTitle(); CONST char *id = HText_getMessageID(); char *tmptitle = NULL; if (!kp && HTMainAnchor) { kp = HTAnchor_subject(HTMainAnchor); if (kp && *kp) { if (strncasecomp(kp, "Re: ", 4)) { StrAllocCopy(tmptitle, "Re: "); StrAllocCat(tmptitle, kp); kp = tmptitle; } } } if (strchr(*owner_address_p, ':') != NULL) /* * Send a reply. The address is after the colon. */ reply_by_mail(strchr(*owner_address_p, ':') + 1, curdoc.address, NonNull(kp), id); else reply_by_mail(*owner_address_p, curdoc.address, NonNull(kp), id); FREE(tmptitle); *refresh_screen = TRUE; /* to force a showpage */ } } } } PRIVATE BOOLEAN handle_LYK_COOKIE_JAR ARGS1( int *, cmd) { /* * Don't do if already viewing the cookie jar. */ if (!isLYNXCOOKIE(curdoc.address)) { set_address(&newdoc, "LYNXCOOKIE:/"); LYFreePostData(&newdoc); FREE(newdoc.bookmark); newdoc.isHEAD = FALSE; newdoc.safe = FALSE; newdoc.internal_link = FALSE; LYforce_no_cache = TRUE; if (LYValidate || check_realm) { LYPermitURL = TRUE; } } else { /* * If already in the cookie jar, get out. */ *cmd = LYK_PREV_DOC; return TRUE; } return FALSE; } #if defined(DIRED_SUPPORT) PRIVATE void handle_LYK_CREATE NOARGS { if (lynx_edit_mode && !no_dired_support) { if (local_create(&curdoc) > 0) { DIRED_UNCACHE_1; move_address(&newdoc, &curdoc); LYFreePostData(&newdoc); FREE(newdoc.bookmark); newdoc.isHEAD = FALSE; newdoc.safe = FALSE; newdoc.line = curdoc.line; newdoc.link = curdoc.link > -1 ? curdoc.link : 0; LYclear(); } } } #endif /* DIRED_SUPPORT */ PRIVATE void handle_LYK_DEL_BOOKMARK ARGS3( BOOLEAN *, refresh_screen, int *, old_c, int, real_c) { if (curdoc.bookmark != NULL) { if (HTConfirmDefault(CONFIRM_BOOKMARK_DELETE,NO) != YES) return; remove_bookmark_link(links[curdoc.link].anchor_number-1, curdoc.bookmark); } else { /* behave like REFRESH for backward compatibility */ *refresh_screen = TRUE; if (*old_c != real_c) { *old_c = real_c; lynx_force_repaint(); } return; } do_cleanup_after_delete(); } #if defined(DIRED_SUPPORT) || defined(VMS) PRIVATE void handle_LYK_DIRED_MENU ARGS3( BOOLEAN *, refresh_screen, int *, old_c GCC_UNUSED, int, real_c GCC_UNUSED) { #ifdef VMS char *cp, *temp = 0; const char *test = HTGetProgramPath(ppCSWING); /* * Check if the CSwing Directory/File Manager is available. * Will be disabled if CSWING path is NULL, zero-length, * or "none" (case insensitive), if no_file_url was set via * the file_url restriction, if no_goto_file was set for * the anonymous account, or if HTDirAccess was set to * HT_DIR_FORBID or HT_DIR_SELECTIVE via the -nobrowse * or -selective switches. - FM */ if (isEmpty(test) || !strcasecomp(test, "none") || no_file_url || no_goto_file || HTDirAccess == HT_DIR_FORBID || HTDirAccess == HT_DIR_SELECTIVE) { if (*old_c != real_c) { *old_c = real_c; HTUserMsg(DFM_NOT_AVAILABLE); } return; } /* * If we are viewing a local directory listing or a * local file which is not temporary, invoke CSwing * with the URL's directory converted to VMS path specs * and passed as the argument, so we start up CSwing * positioned on that node of the directory tree. * Otherwise, pass the current default directory as * the argument. - FM */ if (LYisLocalFile(curdoc.address) && strncasecomp(curdoc.address, lynx_temp_space, strlen(lynx_temp_space))) { /* * We are viewing a local directory or a local file * which is not temporary. - FM */ struct stat stat_info; cp = HTParse(curdoc.address, "", PARSE_PATH|PARSE_PUNCTUATION); HTUnEscape(cp); if (HTStat(cp, &stat_info) == -1) { CTRACE((tfp, "mainloop: Can't stat %s\n", cp)); FREE(cp); HTSprintf0(&temp, "%s []", HTGetProgramPath(ppCSWING)); *refresh_screen = TRUE; /* redisplay */ } else { char *VMSdir = NULL; if (S_ISDIR(stat_info.st_mode)) { /* * We're viewing a local directory. Make * that the CSwing argument. - FM */ LYAddPathSep(&cp); StrAllocCopy(VMSdir, HTVMS_name("", cp)); FREE(cp); } else { /* * We're viewing a local file. Make its * directory the CSwing argument. - FM */ StrAllocCopy(VMSdir, HTVMS_name("", cp)); FREE(cp); if ((cp = strrchr(VMSdir, ']')) != NULL) { *(cp + 1) = '\0'; cp == NULL; } else if ((cp = strrchr(VMSdir, ':')) != NULL) { *(cp + 1) = '\0'; cp == NULL; } } HTSprintf0(&temp, "%s %s", HTGetProgramPath(ppCSWING), VMSdir); FREE(VMSdir); /* * Uncache the current document in case we * change, move, or delete it during the * CSwing session. - FM */ /* could use DIRED_UNCACHE_1 but it's currently only defined for dired - kw */ HTuncache_current_document(); move_address(&newdoc, &curdoc); StrAllocCopy(newdoc.title, NonNull(curdoc.title)); StrAllocCopy(newdoc.bookmark, curdoc.bookmark); newdoc.line = curdoc.line; newdoc.link = curdoc.link; } } else { /* * We're not viewing a local directory or file. * Pass CSwing the current default directory as * an argument and don't uncache the current * document. - FM */ HTSprintf0(&temp, "%s []", HTGetProgramPath(ppCSWING)); *refresh_screen = TRUE; /* redisplay */ } stop_curses(); LYSystem(temp); start_curses(); FREE(temp); #else /* * Don't do if not allowed or already viewing the menu. */ if (lynx_edit_mode && !no_dired_support && !LYIsUIPage(curdoc.address, UIP_DIRED_MENU) && strcmp(NonNull(curdoc.title), DIRED_MENU_TITLE)) { dired_options(&curdoc,&newdoc.address); *refresh_screen = TRUE; /* redisplay */ } #endif /* VMS */ } #endif /* defined(DIRED_SUPPORT) || defined(VMS) */ PRIVATE int handle_LYK_DOWNLOAD ARGS3( int *, cmd, int *, old_c, int, real_c) { /* * Don't do if both download and disk_save are restricted. */ if (LYValidate || (no_download && !override_no_download && no_disk_save)) { if (*old_c != real_c) { *old_c = real_c; HTUserMsg(DOWNLOAD_DISABLED); } return 0; } /* * Don't do if already viewing download options page. */ if (LYIsUIPage(curdoc.address, UIP_DOWNLOAD_OPTIONS)) return 0; if (do_change_link() == -1) return 1; /* mouse stuff was confused, ignore - kw */ if (nlinks > 0) { if (links[curdoc.link].type == WWW_FORM_LINK_TYPE) { if (links[curdoc.link].l_form->type == F_SUBMIT_TYPE || links[curdoc.link].l_form->type == F_IMAGE_SUBMIT_TYPE || links[curdoc.link].l_form->type == F_TEXT_SUBMIT_TYPE) { if (links[curdoc.link].l_form->submit_method == URL_MAIL_METHOD) { if (*old_c != real_c) { *old_c = real_c; HTUserMsg(NO_DOWNLOAD_MAILTO_ACTION); } return 0; } if (isLYNXOPTIONS(links[curdoc.link].l_form->submit_action)) { if (*old_c != real_c) { *old_c = real_c; HTUserMsg(NO_DOWNLOAD_SPECIAL); } return 0; } HTOutputFormat = HTAtom_for("www/download"); LYforce_no_cache = TRUE; *cmd = LYK_ACTIVATE; return 2; } if (*old_c != real_c) { *old_c = real_c; HTUserMsg(NO_DOWNLOAD_INPUT); } } else if (isLYNXCOOKIE(curdoc.address)) { if (*old_c != real_c) { *old_c = real_c; HTUserMsg(NO_DOWNLOAD_COOKIES); } } else if (LYIsUIPage(curdoc.address, UIP_PRINT_OPTIONS)) { if (*old_c != real_c) { *old_c = real_c; HTUserMsg(NO_DOWNLOAD_PRINT_OP); } #ifdef DIRED_SUPPORT } else if (LYIsUIPage(curdoc.address, UIP_UPLOAD_OPTIONS)) { if (*old_c != real_c) { *old_c = real_c; HTUserMsg(NO_DOWNLOAD_UPLOAD_OP); } } else if (LYIsUIPage(curdoc.address, UIP_PERMIT_OPTIONS)) { if (*old_c != real_c) { *old_c = real_c; HTUserMsg(NO_DOWNLOAD_PERMIT_OP); } } else if (lynx_edit_mode && !no_dired_support && !strstr(links[curdoc.link].lname, "/SugFile=")) { /* * Don't bother making a /tmp copy of the local file. */ static DocInfo temp; copy_address(&temp, &newdoc); set_address(&newdoc, links[curdoc.link].lname); if (LYdownload_options(&newdoc.address, links[curdoc.link].lname) < 0) copy_address(&newdoc, &temp); else newdoc.internal_link = FALSE; LYFreeDocInfo(&temp); #endif /* DIRED_SUPPORT */ } else if (LYIsUIPage(curdoc.address, UIP_HISTORY) && isLYNXHIST(links[curdoc.link].lname)) { int number = atoi(links[curdoc.link].lname + LEN_LYNXHIST); if (number >= nhist || number < 0) { HTUserMsg(NO_DOWNLOAD_SPECIAL); return 0; } if ((HDOC(number).post_data != NULL && HDOC(number).safe != TRUE) && HTConfirm(CONFIRM_POST_RESUBMISSION) == FALSE) { HTInfoMsg(CANCELLED); return 0; } /* * OK, we download from history page, restore URL from stack. */ copy_address(&newdoc, &HDOC(number)); StrAllocCopy(newdoc.title, LYGetHiliteStr(curdoc.link, 0)); StrAllocCopy(newdoc.bookmark, HDOC(number).bookmark); LYFreePostData(&newdoc); if (HDOC(number).post_data) BStrCopy(newdoc.post_data, HDOC(number).post_data); if (HDOC(number).post_content_type) StrAllocCopy(newdoc.post_content_type, HDOC(number).post_content_type); newdoc.isHEAD = HDOC(number).isHEAD; newdoc.safe = HDOC(number).safe; newdoc.internal_link = FALSE; newdoc.link = 0; HTOutputFormat = HTAtom_for("www/download"); LYUserSpecifiedURL = TRUE; /* * Force the document to be reloaded. */ LYforce_no_cache = TRUE; } else if (!strncmp(links[curdoc.link].lname, "data:", 5)) { if (*old_c != real_c) { *old_c = real_c; HTAlert(UNSUPPORTED_DATA_URL); } } else if (isLYNXCOOKIE(links[curdoc.link].lname) || isLYNXDIRED(links[curdoc.link].lname) || isLYNXDOWNLOAD(links[curdoc.link].lname) || isLYNXPRINT(links[curdoc.link].lname) || isLYNXOPTIONS(links[curdoc.link].lname) || isLYNXHIST(links[curdoc.link].lname) || /* handled above if valid - kw */ /* @@@ should next two be downloadable? - kw */ isLYNXHIST(links[curdoc.link].lname) || isLYNXCFLAGS(links[curdoc.link].lname) || isLYNXEXEC(links[curdoc.link].lname) || isLYNXPROG(links[curdoc.link].lname)) { HTUserMsg(NO_DOWNLOAD_SPECIAL); } else if (isMAILTO_URL(links[curdoc.link].lname)) { HTUserMsg(NO_DOWNLOAD_MAILTO_LINK); /* * From here on we could have a remote host, so check if * that's allowed. * * We copy all these checks from getfile() to LYK_DOWNLOAD * here because LYNXDOWNLOAD:// will NOT be pushing the * previous document into the history stack so preserve * getfile() from returning a wrong status (NULLFILE). */ } else if (local_host_only && !(LYisLocalHost(links[curdoc.link].lname) || LYisLocalAlias(links[curdoc.link].lname))) { HTUserMsg(ACCESS_ONLY_LOCALHOST); } else { /* Not a forms, options or history link */ /* * Follow a normal link or anchor. Note that * if it's an anchor within the same document, * entire document will be downloaded. */ set_address(&newdoc, links[curdoc.link].lname); StrAllocCopy(newdoc.title, LYGetHiliteStr(curdoc.link, 0)); #ifndef DONT_TRACK_INTERNAL_LINKS /* * Might be an internal link in the same doc from a * POST form. If so, don't free the content. - kw */ if (links[curdoc.link].type != WWW_INTERN_LINK_TYPE) #else /* * Might be an anchor in the same doc from a POST * form. If so, don't free the content. -- FM */ if (are_different(&curdoc, &newdoc)) #endif /* TRACK_INTERNAL_LINKS */ { LYFreePostData(&newdoc); FREE(newdoc.bookmark); newdoc.isHEAD = FALSE; newdoc.safe = FALSE; } newdoc.internal_link = FALSE; newdoc.link = 0; HTOutputFormat = HTAtom_for("www/download"); /* * Force the document to be reloaded. */ LYforce_no_cache = TRUE; } } else if (*old_c != real_c) { *old_c = real_c; HTUserMsg(NO_DOWNLOAD_CHOICE); } return 0; } PRIVATE void handle_LYK_DOWN_HALF ARGS2( int *, old_c, int, real_c) { int i; if (more) { Newline += (display_lines/2); if (nlinks > 0 && curdoc.link > -1 && links[curdoc.link].ly > display_lines/2) { newdoc.link = curdoc.link; for (i = 0; links[i].ly <= (display_lines/2); i++) --newdoc.link; } } else if (*old_c != real_c) { *old_c = real_c; HTInfoMsg(ALREADY_AT_END); } } PRIVATE void handle_LYK_DOWN_LINK ARGS3( int *, follow_col, int *, old_c, int, real_c) { if (curdoc.link < (nlinks-1)) { /* more links? */ int newlink; if (*follow_col == -1) { char *text = LYGetHiliteStr(curdoc.link, 0); *follow_col = links[curdoc.link].lx; if (text != NULL) *follow_col += strlen(text) / 2; } newlink = find_link_near_col(*follow_col, 1); if (newlink > -1) { set_curdoc_link(newlink); } else if (more) { /* next page */ Newline += (display_lines); } else if (*old_c != real_c) { *old_c = real_c; HTUserMsg(NO_LINKS_BELOW); return; } } else if (more) { /* next page */ Newline += (display_lines); } else if (*old_c != real_c) { *old_c = real_c; HTInfoMsg(ALREADY_AT_END); } } PRIVATE void handle_LYK_DOWN_TWO ARGS2( int *, old_c, int, real_c) { int i; if (more) { Newline += 2; if (nlinks > 0 && curdoc.link > -1 && links[curdoc.link].ly > 2) { newdoc.link = curdoc.link; for (i = 0; links[i].ly <= 2; i++) --newdoc.link; } } else if (*old_c != real_c) { *old_c = real_c; HTInfoMsg(ALREADY_AT_END); } } PRIVATE int handle_LYK_DWIMEDIT ARGS3( int *, cmd, int *, old_c, int, real_c) { #ifdef TEXTAREA_AUTOEXTEDIT /* * If we're in a forms TEXTAREA, invoke the editor on *its* * contents, rather than attempting to edit the html source * document. KED */ if (nlinks > 0 && links[curdoc.link].type == WWW_FORM_LINK_TYPE && links[curdoc.link].l_form->type == F_TEXTAREA_TYPE) { *cmd = LYK_EDIT_TEXTAREA; return 2; } /* * If we're in a forms TEXT type, tell user the request * is bogus (though in reality, without this trap, if the * document with the TEXT field is local, the editor *would* * be invoked on the source .html file; eg, the o(ptions) * form tempfile). * * [This is done to avoid possible user confusion, due to * auto invocation of the editor on the TEXTAREA's contents * via the above if() statement.] */ if (nlinks > 0 && links[curdoc.link].type == WWW_FORM_LINK_TYPE && links[curdoc.link].l_form->type == F_TEXT_TYPE) { HTUserMsg (CANNOT_EDIT_FIELD); return 1; } if (no_editor) { if (*old_c != real_c) { *old_c = real_c; HTUserMsg(ANYEDIT_DISABLED); } return 1; } #endif /* TEXTAREA_AUTOEXTEDIT */ return 0; } PRIVATE int handle_LYK_ECGOTO ARGS5( int *, ch, char *, user_input_buffer, char **, old_user_input, int *, old_c, int, real_c) { if (no_goto && !LYValidate) { /* * Go to not allowed. - FM */ if (*old_c != real_c) { *old_c = real_c; HTUserMsg(GOTO_DISALLOWED); } return 0; } #ifdef DIRED_SUPPORT if (LYIsUIPage(curdoc.address, UIP_DIRED_MENU) || LYIsUIPage(curdoc.address, UIP_PERMIT_OPTIONS) || LYIsUIPage(curdoc.address, UIP_UPLOAD_OPTIONS)) { /* * Disallow editing of File Management URLs. - FM */ if (*old_c != real_c) { *old_c = real_c; HTUserMsg(EDIT_FM_MENU_URLS_DISALLOWED); } return 0; } #endif /* DIRED_SUPPORT */ /* * Save the current user_input_buffer string, * and load the current document's address. */ StrAllocCopy(*old_user_input, user_input_buffer); LYstrncpy(user_input_buffer, curdoc.address, (MAX_LINE - 1)); /* * Warn the user if the current document has POST * data associated with it. - FM */ if (curdoc.post_data) HTAlert(CURRENT_DOC_HAS_POST_DATA); /* * Offer the current document's URL for editing. - FM */ _statusline(EDIT_CURDOC_URL); if (((*ch = LYgetstr(user_input_buffer, VISIBLE, MAX_LINE, RECALL_URL)) >= 0) && user_input_buffer[0] != '\0' && strcmp(user_input_buffer, curdoc.address)) { LYTrimAllStartfile(user_input_buffer); if (user_input_buffer[0] != '\0') { return 2; } } /* * User cancelled via ^G, a full deletion, * or not modifying the URL. - FM */ HTInfoMsg(CANCELLED); LYstrncpy(user_input_buffer, *old_user_input, MAX_LINE - 1); FREE(*old_user_input); return 0; } PRIVATE void handle_LYK_EDIT ARGS2( int *, old_c, int, real_c) { #ifdef DIRED_SUPPORT char *cp; char *tp = NULL; struct stat dir_info; #endif /* DIRED_SUPPORT */ if (no_editor) { if (*old_c != real_c) { *old_c = real_c; HTUserMsg(EDIT_DISABLED); } } else #ifdef DIRED_SUPPORT /* * Allow the user to edit the link rather * than curdoc in edit mode. */ if (lynx_edit_mode && editor && *editor != '\0' && !no_dired_support) { if (nlinks > 0) { cp = links[curdoc.link].lname; if (is_url(cp) == FILE_URL_TYPE) { cp = HTfullURL_toFile(cp); StrAllocCopy(tp, cp); FREE(cp); if (stat(tp, &dir_info) == -1) { HTAlert(NO_STATUS); } else { if (S_ISREG(dir_info.st_mode)) { StrAllocCopy(tp, links[curdoc.link].lname); HTUnEscapeSome(tp, "/"); if (edit_current_file(tp, curdoc.link, Newline)) { DIRED_UNCACHE_1; move_address(&newdoc, &curdoc); #ifdef NO_SEEK_OLD_POSITION /* * Go to top of file. */ newdoc.line = 1; newdoc.link = 0; #else /* * Seek old position, * which probably changed. */ newdoc.line = curdoc.line; newdoc.link = curdoc.link; #endif /* NO_SEEK_OLD_POSITION */ LYclear(); /* clear the screen */ } } } FREE(tp); } } } else #endif /* DIRED_SUPPORT */ if (editor && *editor != '\0') { if (edit_current_file(newdoc.address, curdoc.link, Newline)) { HTuncache_current_document(); LYforce_no_cache = TRUE; /*force reload of document */ free_address(&curdoc); /* so it doesn't get pushed */ #ifdef NO_SEEK_OLD_POSITION /* * Go to top of file. */ newdoc.line = 1; newdoc.link = 0; #else /* * Seek old position, which probably changed. */ newdoc.line = curdoc.line; newdoc.link = curdoc.link; #endif /* NO_SEEK_OLD_POSITION */ LYclear(); /* clear the screen */ } } else { if (*old_c != real_c) { *old_c = real_c; HTUserMsg(NO_EDITOR); } } } PRIVATE void handle_LYK_DWIMHELP ARGS1( CONST char **, cshelpfile) { /* * Currently a help file different from the main * 'helpfile' is shown only if current link is a * text input form field. - kw */ if (curdoc.link >= 0 && curdoc.link < nlinks && links[curdoc.link].type == WWW_FORM_LINK_TYPE && !links[curdoc.link].l_form->disabled && F_TEXTLIKE(links[curdoc.link].l_form->type)) { *cshelpfile = LYLineeditHelpURL(); } } PRIVATE void handle_LYK_EDIT_TEXTAREA ARGS3( BOOLEAN *, refresh_screen, int *, old_c, int, real_c) { int n; if (no_editor) { if (*old_c != real_c) { *old_c = real_c; HTUserMsg(ANYEDIT_DISABLED); } } else if (!editor || *editor == '\0') { if (*old_c != real_c) { *old_c = real_c; HTUserMsg(NO_EDITOR); } } /* * See if the current link is in a form TEXTAREA. */ else if (links[curdoc.link].type == WWW_FORM_LINK_TYPE && links[curdoc.link].l_form->type == F_TEXTAREA_TYPE) { /* stop screen */ stop_curses(); n = HText_ExtEditForm (&links[curdoc.link]); /* * TODO: Move cursor "n" lines from the current line to * position it on the 1st trailing blank line in * the now edited TEXTAREA. If the target line/ * anchor requires us to scroll up/down, position * the target in the approximate center of the * screen. */ /* curdoc.link += n;*/ /* works, except for page crossing, */ /* damnit; why is nothing ever easy */ /* start screen */ start_curses(); *refresh_screen = TRUE; } else { HTInfoMsg (NOT_IN_TEXTAREA_NOEDIT); } } PRIVATE int handle_LYK_ELGOTO ARGS5( int *, ch, char *, user_input_buffer, char **, old_user_input, int *, old_c, int, real_c) { if (no_goto && !LYValidate) { /* * Go to not allowed. - FM */ if (*old_c != real_c) { *old_c = real_c; HTUserMsg(GOTO_DISALLOWED); } return 0; } if (!(nlinks > 0 && curdoc.link > -1) || (links[curdoc.link].type == WWW_FORM_LINK_TYPE && links[curdoc.link].l_form->type != F_SUBMIT_TYPE && links[curdoc.link].l_form->type != F_IMAGE_SUBMIT_TYPE && links[curdoc.link].l_form->type != F_TEXT_SUBMIT_TYPE)) { /* * No links on page, or not a normal link * or form submit button. - FM */ if (*old_c != real_c) { *old_c = real_c; HTUserMsg(NOT_ON_SUBMIT_OR_LINK); } return 0; } if ((links[curdoc.link].type == WWW_FORM_LINK_TYPE) && (!links[curdoc.link].l_form->submit_action || *links[curdoc.link].l_form->submit_action == '\0')) { /* * Form submit button with no ACTION defined. - FM */ if (*old_c != real_c) { *old_c = real_c; HTUserMsg(NO_FORM_ACTION); } return 0; } #ifdef DIRED_SUPPORT if (isLYNXDIRED(links[curdoc.link].lname) || LYIsUIPage(curdoc.address, UIP_DIRED_MENU) || LYIsUIPage(curdoc.address, UIP_PERMIT_OPTIONS) || LYIsUIPage(curdoc.address, UIP_UPLOAD_OPTIONS)) { /* * Disallow editing of File Management URLs. - FM */ if (*old_c != real_c) { *old_c = real_c; HTUserMsg(EDIT_FM_MENU_URLS_DISALLOWED); } return 0; } #endif /* DIRED_SUPPORT */ /* * Save the current user_input_buffer string, * and load the current link's address. - FM */ StrAllocCopy(*old_user_input, user_input_buffer); LYstrncpy(user_input_buffer, ((links[curdoc.link].type == WWW_FORM_LINK_TYPE) ? links[curdoc.link].l_form->submit_action : links[curdoc.link].lname), (MAX_LINE - 1)); /* * Offer the current link's URL for editing. - FM */ _statusline(EDIT_CURLINK_URL); if (((*ch = LYgetstr(user_input_buffer, VISIBLE, MAX_LINE, RECALL_URL)) >= 0) && user_input_buffer[0] != '\0' && strcmp(user_input_buffer, ((links[curdoc.link].type == WWW_FORM_LINK_TYPE) ? links[curdoc.link].l_form->submit_action : links[curdoc.link].lname))) { LYTrimAllStartfile(user_input_buffer); if (user_input_buffer[0] != '\0') { return 2; } } /* * User cancelled via ^G, a full deletion, * or not modifying the URL. - FM */ HTInfoMsg(CANCELLED); LYstrncpy(user_input_buffer, *old_user_input, MAX_LINE - 1); FREE(*old_user_input); return 0; } #ifdef USE_EXTERNALS PRIVATE void handle_LYK_EXTERN_LINK ARGS1( BOOLEAN *, refresh_screen) { if ((nlinks > 0) && (links[curdoc.link].lname != NULL)) { run_external(links[curdoc.link].lname, FALSE); *refresh_screen = TRUE; } } PRIVATE void handle_LYK_EXTERN_PAGE ARGS1( BOOLEAN *, refresh_screen) { if (curdoc.address != NULL) { run_external(curdoc.address, FALSE); *refresh_screen = TRUE; } } #endif PRIVATE BOOLEAN handle_LYK_FASTBACKW_LINK ARGS3( int *, cmd, int *, old_c, int, real_c) { int samepage = 0, nextlink = curdoc.link; int res; if (nlinks > 1) { /* * If in textarea, move to first link or textarea group * before it if there is one on this screen. - kw */ if (links[curdoc.link].type == WWW_FORM_LINK_TYPE && links[curdoc.link].l_form->type == F_TEXTAREA_TYPE) { int thisgroup = links[curdoc.link].l_form->number; char *thisname = links[curdoc.link].l_form->name; if (curdoc.link > 0 && !(links[0].type == WWW_FORM_LINK_TYPE && links[0].l_form->type == F_TEXTAREA_TYPE && links[0].l_form->number == thisgroup && sametext(links[0].l_form->name, thisname))) { do nextlink--; while (links[nextlink].type == WWW_FORM_LINK_TYPE && links[nextlink].l_form->type == F_TEXTAREA_TYPE && links[nextlink].l_form->number == thisgroup && sametext(links[nextlink].l_form->name, thisname)); samepage = 1; } else if (!more && Newline == 1 && (links[0].type == WWW_FORM_LINK_TYPE && links[0].l_form->type == F_TEXTAREA_TYPE && links[0].l_form->number == thisgroup && sametext(links[0].l_form->name, thisname)) && !(links[nlinks-1].type == WWW_FORM_LINK_TYPE && links[nlinks-1].l_form->type == F_TEXTAREA_TYPE && links[nlinks-1].l_form->number == thisgroup && sametext(links[nlinks-1].l_form->name, thisname))) { nextlink = nlinks - 1; samepage = 1; } else if (!more && Newline == 1 && curdoc.link > 0) { nextlink = 0; samepage = 1; } } else if (curdoc.link > 0) { nextlink--; samepage = 1; } else if (!more && Newline == 1) { nextlink = nlinks - 1; samepage = 1; } } if (samepage) { /* * If the link as determined so far is part of a * group of textarea fields, try to use the first * of them that's on the screen instead. - kw */ if (nextlink > 0 && links[nextlink].type == WWW_FORM_LINK_TYPE && links[nextlink].l_form->type == F_TEXTAREA_TYPE) { int thisgroup = links[nextlink].l_form->number; char *thisname = links[nextlink].l_form->name; if (links[0].type == WWW_FORM_LINK_TYPE && links[0].l_form->type == F_TEXTAREA_TYPE && links[0].l_form->number == thisgroup && sametext(links[0].l_form->name, thisname)) { nextlink = 0; } else while (nextlink > 1 && links[nextlink-1].type == WWW_FORM_LINK_TYPE && links[nextlink-1].l_form->type == F_TEXTAREA_TYPE && links[nextlink-1].l_form->number == thisgroup && sametext(links[nextlink-1].l_form->name, thisname)) { nextlink--; } } set_curdoc_link(nextlink); return FALSE; /* and we are done. */ } else if (Newline > 1 && /* need a previous page */ (res = HTGetLinkOrFieldStart(curdoc.link, &Newline, &newdoc.link, -1, TRUE)) != NO) { if (res == LINK_DO_ARROWUP) { /* * It says we should use the normal PREV_LINK * mechanism, so we'll do that. - kw */ if (nlinks > 0) curdoc.link = 0; *cmd = LYK_PREV_LINK; return TRUE; } Newline++; /* our line counting starts with 1 not 0 */ /* nothing more to do here */ } else if (*old_c != real_c) { *old_c = real_c; HTInfoMsg(NO_LINKS_ABOVE); } return FALSE; } PRIVATE void handle_LYK_FASTFORW_LINK ARGS2( int *, old_c, int, real_c) { int samepage = 0, nextlink = curdoc.link; if (nlinks > 1) { /* * If in textarea, move to first link or field * after it if there is one on this screen. - kw */ if (links[curdoc.link].type == WWW_FORM_LINK_TYPE && links[curdoc.link].l_form->type == F_TEXTAREA_TYPE) { int thisgroup = links[curdoc.link].l_form->number; char *thisname = links[curdoc.link].l_form->name; if (curdoc.link < nlinks-1 && !(links[nlinks-1].type == WWW_FORM_LINK_TYPE && links[nlinks-1].l_form->type == F_TEXTAREA_TYPE && links[nlinks-1].l_form->number == thisgroup && sametext(links[nlinks-1].l_form->name, thisname))) { do nextlink++; while (links[nextlink].type == WWW_FORM_LINK_TYPE && links[nextlink].l_form->type == F_TEXTAREA_TYPE && links[nextlink].l_form->number == thisgroup && sametext(links[nextlink].l_form->name, thisname)); samepage = 1; } else if (!more && Newline == 1 && curdoc.link > 0) { nextlink = 0; samepage = 1; } } else if (curdoc.link < nlinks-1) { nextlink++; samepage = 1; } else if (!more && Newline == 1 && curdoc.link > 0) { nextlink = 0; samepage = 1; } } if (samepage) { set_curdoc_link(nextlink); return; /* and we are done. */ /* * At the bottom of list and there is only one page. * Move to the top link on the page. */ } else if (!more && Newline == 1 && curdoc.link == nlinks-1) { set_curdoc_link(0); } else if (more && /* need a later page */ HTGetLinkOrFieldStart(curdoc.link, &Newline, &newdoc.link, 1, TRUE) != NO) { Newline++; /* our line counting starts with 1 not 0 */ /* nothing more to do here */ } else if (*old_c != real_c) { *old_c = real_c; HTInfoMsg(NO_LINKS_BELOW); } return; } PRIVATE void handle_LYK_FIRST_LINK NOARGS { int i = curdoc.link; for (;;) { if (--i < 0 || links[i].ly != links[curdoc.link].ly) { set_curdoc_link(i + 1); break; } } } PRIVATE BOOLEAN handle_LYK_GOTO ARGS9( int *, ch, char *, user_input_buffer, char **, old_user_input, int *, recall, int *, URLTotal, int *, URLNum, BOOLEAN *, FirstURLRecall, int *, old_c, int, real_c) { if (no_goto && !LYValidate) { if (*old_c != real_c) { *old_c = real_c; HTUserMsg(GOTO_DISALLOWED); } return FALSE; } StrAllocCopy(*old_user_input, user_input_buffer); if (!goto_buffer) *user_input_buffer = '\0'; *URLTotal = (Goto_URLs ? HTList_count(Goto_URLs) : 0); if (goto_buffer && *user_input_buffer) { *recall = ((*URLTotal > 1) ? RECALL_URL : NORECALL); *URLNum = 0; *FirstURLRecall = FALSE; } else { *recall = ((*URLTotal >= 1) ? RECALL_URL : NORECALL); *URLNum = *URLTotal; *FirstURLRecall = TRUE; } /* * Ask the user. */ _statusline(URL_TO_OPEN); if ((*ch = LYgetstr(user_input_buffer, VISIBLE, MAX_LINE, *recall)) < 0 ) { /* * User cancelled the Goto via ^G. * Restore user_input_buffer and break. - FM */ LYstrncpy(user_input_buffer, *old_user_input, MAX_LINE - 1); FREE(*old_user_input); HTInfoMsg(CANCELLED); return FALSE; } return TRUE; } PRIVATE void handle_LYK_GROW_TEXTAREA ARGS1( BOOLEAN *, refresh_screen) { /* * See if the current link is in a form TEXTAREA. */ if (links[curdoc.link].type == WWW_FORM_LINK_TYPE && links[curdoc.link].l_form->type == F_TEXTAREA_TYPE) { HText_ExpandTextarea (&links[curdoc.link], TEXTAREA_EXPAND_SIZE); *refresh_screen = TRUE; } else { HTInfoMsg (NOT_IN_TEXTAREA); } } PRIVATE BOOLEAN handle_LYK_HEAD ARGS1( int *, cmd) { int c; if (nlinks > 0 && (links[curdoc.link].type != WWW_FORM_LINK_TYPE || links[curdoc.link].l_form->type == F_SUBMIT_TYPE || links[curdoc.link].l_form->type == F_IMAGE_SUBMIT_TYPE || links[curdoc.link].l_form->type == F_TEXT_SUBMIT_TYPE)) { /* * We have links, and the current link is a normal link or a form's * submit button. - FM */ _statusline(HEAD_D_L_OR_CANCEL); c = LYgetch_single(); if (c == 'D') { char *scheme = !isLYNXIMGMAP(curdoc.address) ? curdoc.address : curdoc.address + LEN_LYNXIMGMAP; if (LYCanDoHEAD(scheme) != TRUE) { HTUserMsg(DOC_NOT_HTTP_URL); } else { /* * Check if this is a reply from a POST, and if so, seek * confirmation if the safe element is not set. - FM */ if ((curdoc.post_data != NULL && curdoc.safe != TRUE) && HTConfirm(CONFIRM_POST_DOC_HEAD) == FALSE) { HTInfoMsg(CANCELLED); } else { HEAD_request = TRUE; LYforce_no_cache = TRUE; StrAllocCopy(newdoc.title, curdoc.title); if (HTLoadedDocumentIsHEAD()) { HText_setNoCache(HTMainText); free_address(&curdoc); } else { StrAllocCat(newdoc.title, " - HEAD"); } } } } else if (c == 'L') { if (links[curdoc.link].type != WWW_FORM_LINK_TYPE && strncmp(links[curdoc.link].lname, "http", 4) && strncmp(links[curdoc.link].lname, "LYNXIMGMAP:http", 15) && LYCanDoHEAD(links[curdoc.link].lname) != TRUE && (links[curdoc.link].type != WWW_INTERN_LINK_TYPE || !curdoc.address || strncmp(curdoc.address, "http", 4))) { HTUserMsg(LINK_NOT_HTTP_URL); } else if (links[curdoc.link].type == WWW_FORM_LINK_TYPE && links[curdoc.link].l_form->disabled) { HTUserMsg(FORM_ACTION_DISABLED); } else if (links[curdoc.link].type == WWW_FORM_LINK_TYPE && !isLYNXCGI(links[curdoc.link].l_form->submit_action) && strncmp(links[curdoc.link].l_form->submit_action, "http", 4)) { HTUserMsg(FORM_ACTION_NOT_HTTP_URL); } else if (links[curdoc.link].type == WWW_FORM_LINK_TYPE && links[curdoc.link].l_form->submit_method == URL_POST_METHOD && HTConfirm(CONFIRM_POST_LINK_HEAD) == FALSE) { HTInfoMsg(CANCELLED); } else { HEAD_request = TRUE; LYforce_no_cache = TRUE; *cmd = LYK_ACTIVATE; return TRUE; } } } else { /* * We can offer only this document for a HEAD request. Check if this * is a reply from a POST, and if so, seek confirmation if the safe * element is not set. - FM */ if ((curdoc.post_data != NULL && curdoc.safe != TRUE) && HTConfirm(CONFIRM_POST_DOC_HEAD) == FALSE) { HTInfoMsg(CANCELLED); } else { if (nlinks > 0) { /* * The current link is a non-submittable form link, so prompt * the user to make it clear that the HEAD request would be for * the current document, not the form link. - FM */ _statusline(HEAD_D_OR_CANCEL); c = LYgetch_single(); } else { /* * No links, so we can just assume that the user wants a HEAD * request for the current document. - FM */ c = 'D'; } if (c == 'D') { char *scheme = !isLYNXIMGMAP(curdoc.address) ? curdoc.address : curdoc.address + LEN_LYNXIMGMAP; /* * The user didn't cancel, so check if a HEAD request is * appropriate for the current document. - FM */ if (LYCanDoHEAD(scheme) != TRUE) { HTUserMsg(DOC_NOT_HTTP_URL); } else { HEAD_request = TRUE; LYforce_no_cache = TRUE; StrAllocCopy(newdoc.title, curdoc.title); if (HTLoadedDocumentIsHEAD()) { HText_setNoCache(HTMainText); free_address(&curdoc); } else { StrAllocCat(newdoc.title, " - HEAD"); } } } } } return FALSE; } PRIVATE void handle_LYK_HELP ARGS1( CONST char **, cshelpfile) { if (*cshelpfile == NULL) *cshelpfile = helpfile; if (!STREQ(curdoc.address, *cshelpfile)) { /* * Set the filename. */ set_address(&newdoc, *cshelpfile); /* * Make a name for this help file. */ StrAllocCopy(newdoc.title, gettext("Help Screen")); LYFreePostData(&newdoc); FREE(newdoc.bookmark); newdoc.isHEAD = FALSE; newdoc.safe = FALSE; newdoc.internal_link = FALSE; } *cshelpfile = NULL; /* reset pointer - kw */ } PRIVATE void handle_LYK_HISTORICAL NOARGS { #ifdef USE_SOURCE_CACHE if (!HTcan_reparse_document()) { #endif /* * Check if this is a reply from a POST, and if so, * seek confirmation of reload if the safe element * is not set. - FM */ if ((curdoc.post_data != NULL && curdoc.safe != TRUE) && confirm_post_resub(curdoc.address, NULL, 0, 0) == FALSE) { HTInfoMsg(WILL_NOT_RELOAD_DOC); } else { HText_setNoCache(HTMainText); move_address(&newdoc, &curdoc); newdoc.line = curdoc.line; newdoc.link = curdoc.link; } #ifdef USE_SOURCE_CACHE } /* end if no bypass */ #endif historical_comments = !historical_comments; if (minimal_comments) { HTAlert(historical_comments ? HISTORICAL_ON_MINIMAL_OFF : HISTORICAL_OFF_MINIMAL_ON); } else { HTAlert(historical_comments ? HISTORICAL_ON_VALID_OFF : HISTORICAL_OFF_VALID_ON); } #ifdef USE_SOURCE_CACHE (void) reparse_document(); #endif return; } PRIVATE BOOLEAN handle_LYK_HISTORY ARGS1( BOOLEAN, ForcePush) { if (curdoc.title && !LYIsUIPage(curdoc.address, UIP_HISTORY)) { /* * Don't do this if already viewing history page. * * Push the current file so that the history list * contains the current file for printing purposes. * Pop the file afterwards to prevent multiple copies. */ if (TRACE && !LYUseTraceLog && LYCursesON) { LYHideCursor(); /* make sure cursor is down */ #ifdef USE_SLANG LYaddstr("\n"); #endif /* USE_SLANG */ LYrefresh(); } LYpush(&curdoc, ForcePush); /* * Print history options to file. */ if (showhistory(&newdoc.address) < 0) { LYpop(&curdoc); return TRUE; } LYRegisterUIPage(newdoc.address, UIP_HISTORY); StrAllocCopy(newdoc.title, HISTORY_PAGE_TITLE); LYFreePostData(&newdoc); FREE(newdoc.bookmark); newdoc.isHEAD = FALSE; newdoc.safe = FALSE; newdoc.internal_link = FALSE; newdoc.link = 1; /*@@@ bypass "recent statusline messages" link */ free_address(&curdoc); /* so it doesn't get pushed */ if (LYValidate || check_realm) { LYPermitURL = TRUE; } return TRUE; } /* end if strncmp */ return FALSE; } PRIVATE BOOLEAN handle_LYK_IMAGE_TOGGLE ARGS1( int *, cmd) { clickable_images = !clickable_images; HTUserMsg(clickable_images ? CLICKABLE_IMAGES_ON : CLICKABLE_IMAGES_OFF); return reparse_or_reload(cmd); } PRIVATE void handle_LYK_INDEX ARGS2( int *, old_c, int, real_c) { /* * Make sure we are not in the index already. */ if (!STREQ(curdoc.address, indexfile)) { if (indexfile[0]=='\0') { /* no defined index */ if (*old_c != real_c) { *old_c = real_c; HTUserMsg(NO_INDEX_FILE); } } else { #ifdef KANJI_CODE_OVERRIDE if (HTCJK == JAPANESE) { last_kcode = NOKANJI; /* AUTO */ } #endif set_address(&newdoc, indexfile); StrAllocCopy(newdoc.title, gettext("System Index")); /* name it */ LYFreePostData(&newdoc); FREE(newdoc.bookmark); newdoc.isHEAD = FALSE; newdoc.safe = FALSE; newdoc.internal_link = FALSE; } /* end else */ } /* end if */ } PRIVATE void handle_LYK_INDEX_SEARCH ARGS4( BOOLEAN *, force_load, BOOLEAN, ForcePush, int *, old_c, int, real_c) { if (is_www_index) { /* * Perform a database search. * * do_www_search will try to go out and get the document. * If it returns TRUE, a new document was returned and is * named in the newdoc.address. */ newdoc.isHEAD = FALSE; newdoc.safe = FALSE; if (do_www_search(&newdoc) == NORMAL) { /* * Yah, the search succeeded. */ if (TRACE && !LYUseTraceLog && LYCursesON) { /* * Make sure cursor is down. */ LYHideCursor(); #ifdef USE_SLANG LYaddstr("\n"); #endif /* USE_SLANG */ LYrefresh(); } LYpush(&curdoc, ForcePush); /* * Make the curdoc.address the newdoc.address so that * getfile doesn't try to get the newdoc.address. * Since we have already gotten it. */ copy_address(&curdoc, &newdoc); BStrCopy(newdoc.post_data, curdoc.post_data); StrAllocCopy(newdoc.post_content_type, curdoc.post_content_type); newdoc.internal_link = FALSE; curdoc.line = -1; Newline = 0; } else if (use_this_url_instead != NULL) { /* * Got back a redirecting URL. Check it out. */ HTUserMsg2 (WWW_USING_MESSAGE, use_this_url_instead); /* * Make a name for this URL. */ StrAllocCopy(newdoc.title, "A URL specified by redirection"); set_address(&newdoc, use_this_url_instead); LYFreePostData(&newdoc); FREE(newdoc.bookmark); newdoc.isHEAD = FALSE; newdoc.safe = FALSE; newdoc.internal_link = FALSE; FREE(use_this_url_instead); *force_load = TRUE; } else { /* * Yuk, the search failed. Restore the old file. */ copy_address(&newdoc, &curdoc); BStrCopy(newdoc.post_data, curdoc.post_data); StrAllocCopy(newdoc.post_content_type, curdoc.post_content_type); StrAllocCopy(newdoc.bookmark, curdoc.bookmark); newdoc.isHEAD = curdoc.isHEAD; newdoc.safe = curdoc.safe; newdoc.internal_link = curdoc.internal_link; } } else if (*old_c != real_c) { *old_c = real_c; HTUserMsg(NOT_ISINDEX); } } PRIVATE BOOLEAN handle_LYK_INFO ARGS1( int *, cmd) { /* * Don't do if already viewing info page. */ if (!LYIsUIPage(curdoc.address, UIP_SHOWINFO)) { if (do_change_link() != -1 && LYShowInfo(&curdoc, HText_getNumOfLines(), &newdoc, owner_address) >= 0) { LYRegisterUIPage(newdoc.address, UIP_SHOWINFO); StrAllocCopy(newdoc.title, SHOWINFO_TITLE); LYFreePostData(&newdoc); FREE(newdoc.bookmark); newdoc.isHEAD = FALSE; newdoc.safe = FALSE; newdoc.internal_link = FALSE; LYforce_no_cache = TRUE; if (LYValidate || check_realm) LYPermitURL = TRUE; } } else { /* * If already in info page, get out. */ *cmd = LYK_PREV_DOC; return TRUE; } return FALSE; } PRIVATE BOOLEAN handle_LYK_INLINE_TOGGLE ARGS1( int *, cmd) { pseudo_inline_alts = !pseudo_inline_alts; HTUserMsg(pseudo_inline_alts ? PSEUDO_INLINE_ALTS_ON : PSEUDO_INLINE_ALTS_OFF); return reparse_or_reload(cmd); } PRIVATE void handle_LYK_INSERT_FILE ARGS3( BOOLEAN *, refresh_screen, int *, old_c, int, real_c) { int n; /* * See if the current link is in a form TEXTAREA. */ if (links[curdoc.link].type == WWW_FORM_LINK_TYPE && links[curdoc.link].l_form->type == F_TEXTAREA_TYPE) { /* * Reject attempts to use this for gaining access to * local files when such access is restricted: * if no_file_url was set via the file_url restriction, * if no_goto_file was set for the anonymous account, * or if HTDirAccess was set to HT_DIR_FORBID or * HT_DIR_SELECTIVE via the -nobrowse or -selective * switches, it is assumed that inserting files or * checking for existence of files needs to be denied. - kw */ if (no_file_url || no_goto_file || HTDirAccess == HT_DIR_FORBID || HTDirAccess == HT_DIR_SELECTIVE) { if (*old_c != real_c) { *old_c = real_c; if (no_goto_file) HTUserMsg2(GOTO_XXXX_DISALLOWED, STR_FILE_URL); else HTUserMsg(NOAUTH_TO_ACCESS_FILES); HTInfoMsg(FILE_INSERT_CANCELLED); } return; } n = HText_InsertFile (&links[curdoc.link]); /* * TODO: Move cursor "n" lines from the current line to * position it on the 1st line following the text * that was inserted. If the target line/anchor * requires us to scroll up/down, position the * target in the approximate center of the screen. * * [Current behavior leaves cursor on the same line relative * to the start of the TEXTAREA that it was on before the * insertion. This is the same behavior that occurs with * (my) editor, so this TODO will stay unimplemented.] */ *refresh_screen = TRUE; } else { HTInfoMsg (NOT_IN_TEXTAREA); } } #if defined(DIRED_SUPPORT) && defined(OK_INSTALL) PRIVATE void handle_LYK_INSTALL NOARGS { if (lynx_edit_mode && nlinks > 0 && !no_dired_support) local_install(NULL, links[curdoc.link].lname, &newdoc.address); } #endif PRIVATE BOOLEAN handle_LYK_JUMP ARGS10( int, c, char *, user_input_buffer, char **, old_user_input GCC_UNUSED, int *, recall GCC_UNUSED, BOOLEAN *, FirstURLRecall GCC_UNUSED, int *, URLNum GCC_UNUSED, int *, URLTotal GCC_UNUSED, int *, ch GCC_UNUSED, int *, old_c, int, real_c) { char *ret; if (no_jump || JThead == NULL) { if (*old_c != real_c) { *old_c = real_c; if (no_jump) HTUserMsg(JUMP_DISALLOWED); else HTUserMsg(NO_JUMPFILE); } } else { LYJumpFileURL = TRUE; if ((ret = LYJump(c)) != NULL) { #ifdef PERMIT_GOTO_FROM_JUMP if (!strncasecomp(ret, "Go ", 3)) { LYJumpFileURL = FALSE; StrAllocCopy(*old_user_input, user_input_buffer); *URLTotal = (Goto_URLs ? HTList_count(Goto_URLs) : 0); *recall = ((*URLTotal >= 1) ? RECALL_URL : NORECALL); *URLNum = *URLTotal; *FirstURLRecall = TRUE; if (!strcasecomp(ret, "Go :")) { if (recall) { *ch = UPARROW; return TRUE; } FREE(*old_user_input); HTUserMsg(NO_RANDOM_URLS_YET); return FALSE; } ret = HTParse((ret+3), startfile, PARSE_ALL); LYstrncpy(user_input_buffer, ret, MAX_LINE - 1); FREE(ret); return TRUE; } #endif /* PERMIT_GOTO_FROM_JUMP */ ret = HTParse(ret, startfile, PARSE_ALL); if (!LYTrimStartfile(ret)) { LYRemoveBlanks(user_input_buffer); } set_address(&newdoc, ret); StrAllocCopy(lynxjumpfile, ret); LYFreePostData(&newdoc); FREE(newdoc.bookmark); newdoc.isHEAD = FALSE; newdoc.safe = FALSE; newdoc.internal_link = FALSE; FREE(ret); LYUserSpecifiedURL = TRUE; } else { LYJumpFileURL = FALSE; } } return FALSE; } PRIVATE void handle_LYK_KEYMAP ARGS4( BOOLEAN *, vi_keys_flag, BOOLEAN *, emacs_keys_flag, int *, old_c, int, real_c) { if (*old_c != real_c) { *old_c = real_c; set_address(&newdoc, STR_LYNXKEYMAP); StrAllocCopy(newdoc.title, CURRENT_KEYMAP_TITLE); LYFreePostData(&newdoc); FREE(newdoc.bookmark); newdoc.isHEAD = FALSE; newdoc.safe = FALSE; newdoc.internal_link = FALSE; /* * If vi_keys changed, the keymap did too, * so force no cache, and reset the flag. - FM */ if (*vi_keys_flag != vi_keys || *emacs_keys_flag != emacs_keys) { LYforce_no_cache = TRUE; *vi_keys_flag = vi_keys; *emacs_keys_flag = emacs_keys; } #if defined(DIRED_SUPPORT) && defined(OK_OVERRIDE) /* * Remember whether we are in dired menu * so we can display the right keymap. */ if (!no_dired_support) { prev_lynx_edit_mode = lynx_edit_mode; } #endif /* DIRED_SUPPORT && OK_OVERRIDE */ LYforce_no_cache = TRUE; } } PRIVATE void handle_LYK_LAST_LINK NOARGS { int i = curdoc.link; for (;;) { if (++i >= nlinks || links[i].ly != links[curdoc.link].ly) { set_curdoc_link(i - 1); break; } } } PRIVATE void handle_LYK_LEFT_LINK NOARGS { if (curdoc.link>0 && links[curdoc.link].ly == links[curdoc.link-1].ly) { set_curdoc_link(curdoc.link-1); } } PRIVATE BOOLEAN handle_LYK_LIST ARGS1( int *, cmd) { /* * Don't do if already viewing list page. */ if (!strcmp(NonNull(curdoc.title), LIST_PAGE_TITLE) && LYIsUIPage(curdoc.address, UIP_LIST_PAGE)) { /* * Already viewing list page, so get out. */ *cmd = LYK_PREV_DOC; return TRUE; } /* * Print list page to file. */ if (showlist(&newdoc, TRUE) < 0) return FALSE; StrAllocCopy(newdoc.title, LIST_PAGE_TITLE); /* * showlist will set newdoc's other fields. It may leave * post_data intact so the list can be used to follow * internal links in the current document even if it is * a POST response. - kw */ if (LYValidate || check_realm) { LYPermitURL = TRUE; StrAllocCopy(lynxlistfile, newdoc.address); } return FALSE; } PRIVATE void handle_LYK_MAIN_MENU ARGS2( int *, old_c, int, real_c) { /* * If its already the homepage then don't reload it. */ if (!STREQ(curdoc.address,homepage)) { if (HTConfirmDefault(CONFIRM_MAIN_SCREEN, NO) == YES) { set_address(&newdoc, homepage); StrAllocCopy(newdoc.title, gettext("Entry into main screen")); LYFreePostData(&newdoc); FREE(newdoc.bookmark); newdoc.isHEAD = FALSE; newdoc.safe = FALSE; newdoc.internal_link = FALSE; LYhighlight(OFF, curdoc.link, prev_target); #ifdef DIRED_SUPPORT if (lynx_edit_mode) { DIRED_UNCACHE_2; } #endif /* DIRED_SUPPORT */ } } else { if (*old_c != real_c) { *old_c = real_c; HTUserMsg(IN_MAIN_SCREEN); } } } PRIVATE void handle_LYK_MINIMAL NOARGS { if (!historical_comments) { #ifdef USE_SOURCE_CACHE if (!HTcan_reparse_document()) { #endif /* * Check if this is a reply from a POST, and if so, * seek confirmation of reload if the safe element * is not set. - FM */ if ((curdoc.post_data != NULL && curdoc.safe != TRUE) && confirm_post_resub(curdoc.address, NULL, 0, 0) == FALSE) { HTInfoMsg(WILL_NOT_RELOAD_DOC); } else { HText_setNoCache(HTMainText); move_address(&newdoc, &curdoc); newdoc.line = curdoc.line; newdoc.link = curdoc.link; } #ifdef USE_SOURCE_CACHE } /* end if no bypass */ #endif } minimal_comments = !minimal_comments; if (!historical_comments) { HTAlert(minimal_comments ? MINIMAL_ON_IN_EFFECT : MINIMAL_OFF_VALID_ON); } else { HTAlert(minimal_comments ? MINIMAL_ON_BUT_HISTORICAL : MINIMAL_OFF_HISTORICAL_ON); } #ifdef USE_SOURCE_CACHE (void)reparse_document(); #endif return; } #if defined(DIRED_SUPPORT) PRIVATE void handle_LYK_MODIFY ARGS1( BOOLEAN *, refresh_screen) { if (lynx_edit_mode && nlinks > 0 && !no_dired_support) { int ret; ret = local_modify(&curdoc, &newdoc.address); if (ret == PERMIT_FORM_RESULT) { /* Permit form thrown up */ *refresh_screen = TRUE; } else if (ret) { DIRED_UNCACHE_1; move_address(&newdoc, &curdoc); LYFreePostData(&newdoc); FREE(newdoc.bookmark); newdoc.isHEAD = FALSE; newdoc.safe = FALSE; newdoc.internal_link = FALSE; newdoc.line = curdoc.line; newdoc.link = curdoc.link; LYclear(); } } } #endif /* DIRED_SUPPORT */ #ifdef EXP_NESTED_TABLES PRIVATE BOOLEAN handle_LYK_NESTED_TABLES ARGS1( int *, cmd) { nested_tables = !nested_tables; HTUserMsg(nested_tables ? NESTED_TABLES_ON : NESTED_TABLES_OFF); return reparse_or_reload(cmd); } #endif PRIVATE BOOLEAN handle_LYK_OPTIONS ARGS2( int *, cmd, BOOLEAN *, refresh_screen) { #ifndef NO_OPTION_MENU if (!LYUseFormsOptions) { BOOLEAN LYUseDefaultRawMode_flag = LYUseDefaultRawMode; BOOLEAN LYSelectPopups_flag = LYSelectPopups; BOOLEAN verbose_img_flag = verbose_img; BOOLEAN keypad_mode_flag = (BOOL) keypad_mode; BOOLEAN show_dotfiles_flag = show_dotfiles; BOOLEAN user_mode_flag = (BOOL) user_mode; int CurrentAssumeCharSet_flag = UCLYhndl_for_unspec; int CurrentCharSet_flag = current_char_set; int HTfileSortMethod_flag = HTfileSortMethod; char *CurrentUserAgent = NULL; char *CurrentNegoLanguage = NULL; char *CurrentNegoCharset = NULL; StrAllocCopy(CurrentUserAgent, (LYUserAgent ? LYUserAgent : "")); StrAllocCopy(CurrentNegoLanguage, (language ? language : "")); StrAllocCopy(CurrentNegoCharset, (pref_charset ? pref_charset : "")); LYoptions(); /** do the old-style options stuff **/ if (keypad_mode_flag != keypad_mode || (user_mode_flag != user_mode && (user_mode_flag == NOVICE_MODE || user_mode == NOVICE_MODE)) || (((HTfileSortMethod_flag != HTfileSortMethod) || (show_dotfiles_flag != show_dotfiles)) && (isFILE_URL(curdoc.address) || isFTP_URL(curdoc.address))) || CurrentCharSet_flag != current_char_set || CurrentAssumeCharSet_flag != UCLYhndl_for_unspec || verbose_img_flag != verbose_img || LYUseDefaultRawMode_flag != LYUseDefaultRawMode || LYSelectPopups_flag != LYSelectPopups || ((strcmp(CurrentUserAgent, (LYUserAgent ? LYUserAgent : "")) || strcmp(CurrentNegoLanguage, (language ? language : "")) || strcmp(CurrentNegoCharset, (pref_charset ? pref_charset : ""))) && (!strncmp(curdoc.address, "http", 4) || isLYNXCGI(curdoc.address)))) { BOOLEAN canreparse_post = FALSE; /* * Check if this is a reply from a POST, and if so, * seek confirmation of reload if the safe element * is not set. - FM */ if ((curdoc.post_data != NULL && curdoc.safe != TRUE) && #ifdef USE_SOURCE_CACHE (!(canreparse_post = HTcan_reparse_document())) && #endif confirm_post_resub(curdoc.address, curdoc.title, 2, 1) == FALSE) { HTInfoMsg(WILL_NOT_RELOAD_DOC); } else { copy_address(&newdoc, &curdoc); if (((strcmp(CurrentUserAgent, (LYUserAgent ? LYUserAgent : "")) || strcmp(CurrentNegoLanguage, NonNull(language)) || strcmp(CurrentNegoCharset, NonNull(pref_charset))) && (strncmp(curdoc.address, "http", 4) == 0 || !isLYNXCGI(curdoc.address) == 0))) { /* * An option has changed which may influence * content negotiation, and the resource is from * a http or https or lynxcgi URL (the only protocols * which currently do anything with this information). * Set reloading = TRUE so that proxy caches will be * flushed, which is necessary until the time when * all proxies understand HTTP 1.1 Vary: and all * Servers properly use it... Treat like * case LYK_RELOAD (see comments there). - KW */ reloading = TRUE; } if (HTisDocumentSource()) { srcmode_for_next_retrieval(1); } #ifdef USE_SOURCE_CACHE if (reloading == FALSE) { /* one more attempt to be smart enough: */ if (reparse_document()) { FREE(CurrentUserAgent); FREE(CurrentNegoLanguage); FREE(CurrentNegoCharset); return FALSE; } } #endif if (canreparse_post && confirm_post_resub(curdoc.address, curdoc.title, 2, 1) == FALSE) { if (HTisDocumentSource()) { srcmode_for_next_retrieval(0); } FREE(CurrentUserAgent); FREE(CurrentNegoLanguage); FREE(CurrentNegoCharset); return FALSE; } HEAD_request = HTLoadedDocumentIsHEAD(); HText_setNoCache(HTMainText); #ifdef NO_ASSUME_SAME_DOC newdoc.line = 1; newdoc.link = 0; #else newdoc.line = curdoc.line; newdoc.link = curdoc.link; #endif /* NO_ASSUME_SAME_DOC */ LYforce_no_cache = TRUE; free_address(&curdoc); /* So it doesn't get pushed. */ } } FREE(CurrentUserAgent); FREE(CurrentNegoLanguage); FREE(CurrentNegoCharset); *refresh_screen = TRUE; /* to repaint screen */ return FALSE; } /* end if !LYUseFormsOptions */ #endif /* !NO_OPTION_MENU */ #ifndef NO_OPTION_FORMS /* * Generally stolen from LYK_COOKIE_JAR. Options menu handling is * done in postoptions(), called from getfile() currently. * * postoptions() is also responsible for reloading the document * before the 'options menu' but only when (a few) important * options were changed. * * It is critical that post_data is freed here since the * submission of changed options is done via the same protocol as * LYNXOPTIONS: */ /* * Don't do if already viewing options page. */ if (!LYIsUIPage(curdoc.address, UIP_OPTIONS_MENU)) { set_address(&newdoc, "LYNXOPTIONS:/"); LYFreePostData(&newdoc); FREE(newdoc.bookmark); newdoc.isHEAD = FALSE; newdoc.safe = FALSE; newdoc.internal_link = FALSE; LYforce_no_cache = TRUE; /* change to 'if (check_realm && !LYValidate)' and make change near top of getfile to forbid using forms options menu with -validate: - kw */ if (LYValidate || check_realm) { LYPermitURL = TRUE; } } else { /* * If already in the options menu, get out. */ *cmd = LYK_PREV_DOC; return TRUE; } #endif /* !NO_OPTION_FORMS */ return FALSE; } PRIVATE void handle_NEXT_DOC NOARGS { if (LYhist_next(&curdoc, &newdoc)) { free_address(&curdoc); /* avoid push */ return; } HTUserMsg(gettext("No next document present")); } PRIVATE void handle_LYK_NEXT_LINK ARGS3( int, c, int *, old_c, int, real_c) { if (curdoc.link < nlinks-1) { /* next link */ LYhighlight(OFF, curdoc.link, prev_target); #ifdef FASTTAB /* * Move to different textarea if TAB in textarea. */ if (links[curdoc.link].type == WWW_FORM_LINK_TYPE && links[curdoc.link].l_form->type == F_TEXTAREA_TYPE && c=='\t') { int thisgroup = links[curdoc.link].l_form->number; char *thisname = links[curdoc.link].l_form->name; do curdoc.link++; while ((curdoc.link < nlinks-1) && links[curdoc.link].type == WWW_FORM_LINK_TYPE && links[curdoc.link].l_form->type == F_TEXTAREA_TYPE && links[curdoc.link].l_form->number == thisgroup && sametext(links[curdoc.link].l_form->name, thisname)); } else { curdoc.link++; } #else curdoc.link++; #endif /* FASTTAB */ /* * At the bottom of list and there is only one page. * Move to the top link on the page. */ } else if (!more && Newline == 1 && curdoc.link == nlinks-1) { set_curdoc_link(0); } else if (more) { /* next page */ Newline += (display_lines); } else if (*old_c != real_c) { *old_c = real_c; HTInfoMsg(ALREADY_AT_END); } } PRIVATE void handle_LYK_NEXT_PAGE ARGS2( int *, old_c, int, real_c) { if (more) { Newline += display_lines; } else if (curdoc.link < nlinks-1) { set_curdoc_link(nlinks - 1); } else if (*old_c != real_c) { *old_c = real_c; HTInfoMsg(ALREADY_AT_END); } } PRIVATE BOOLEAN handle_LYK_NOCACHE ARGS2( int *, old_c, int, real_c) { if (nlinks > 0) { if (links[curdoc.link].type == WWW_FORM_LINK_TYPE && links[curdoc.link].l_form->type != F_SUBMIT_TYPE && links[curdoc.link].l_form->type != F_IMAGE_SUBMIT_TYPE && links[curdoc.link].l_form->type != F_TEXT_SUBMIT_TYPE) { if (*old_c != real_c) { *old_c = real_c; HTUserMsg(NOT_ON_SUBMIT_OR_LINK); } return FALSE; } else { LYforce_no_cache = TRUE; reloading = TRUE; } } return TRUE; } PRIVATE void handle_LYK_PREV_LINK ARGS3( int *, arrowup, int *, old_c, int, real_c) { if (curdoc.link > 0) { /* previous link */ set_curdoc_link(curdoc.link - 1); } else if (!more && curdoc.link==0 && Newline==1) { /* at the top of list */ /* * If there is only one page of data and the user * goes off the top, just move the cursor to last link on * the page. */ set_curdoc_link(nlinks - 1); } else if (curdoc.line > 1) { /* previous page */ /* * Go back to the previous page. */ int scrollamount = (Newline > display_lines ? display_lines : Newline - 1); Newline -= scrollamount; if (scrollamount < display_lines && nlinks > 0 && curdoc.link == 0 && links[0].ly - 1 + scrollamount <= display_lines) { newdoc.link = HText_LinksInLines(HTMainText, 1, scrollamount) - 1; } else { *arrowup = TRUE; } } else if (*old_c != real_c) { *old_c = real_c; HTInfoMsg(ALREADY_AT_BEGIN); } } PRIVATE int handle_PREV_DOC ARGS3( int *, cmd, int *, old_c, int, real_c) { if (nhist > 0) { /* if there is anything to go back to */ /* * Check if the previous document is a reply from a POST, * and if so, seek confirmation of resubmission if the safe * element is not set and the document is not still in the * cache or LYresubmit_posts is set. If not confirmed and * it is not the startfile, pop it so we go to the yet * previous document, until we're OK or reach the startfile. * If we reach the startfile and its not OK or we don't get * confirmation, cancel. - FM */ DocAddress WWWDoc; HTParentAnchor *tmpanchor; HText *text; BOOLEAN conf = FALSE, first = TRUE; HTLastConfirmCancelled(); /* reset flag */ while (nhist > 0) { conf = FALSE; if (HDOC(nhist - 1).post_data == NULL) { break; } WWWDoc.address = HDOC(nhist - 1).address; WWWDoc.post_data = HDOC(nhist - 1).post_data; WWWDoc.post_content_type = HDOC(nhist - 1).post_content_type; WWWDoc.bookmark = HDOC(nhist - 1).bookmark; WWWDoc.isHEAD = HDOC(nhist - 1).isHEAD; WWWDoc.safe = HDOC(nhist - 1).safe; tmpanchor = HTAnchor_findAddress(&WWWDoc); if (HTAnchor_safe(tmpanchor)) { break; } if (((text = (HText *)HTAnchor_document(tmpanchor)) == NULL && (isLYNXIMGMAP(WWWDoc.address) || (conf = confirm_post_resub(WWWDoc.address, HDOC(nhist - 1).title, 0, 0)) == FALSE)) || ((LYresubmit_posts && !conf && (NONINTERNAL_OR_PHYS_DIFFERENT( (DocInfo *)&history[(nhist - 1)], &curdoc) || NONINTERNAL_OR_PHYS_DIFFERENT( (DocInfo *)&history[(nhist - 1)], &newdoc))) && !confirm_post_resub(WWWDoc.address, HDOC(nhist - 1).title, 2, 2))) { if (HTLastConfirmCancelled()) { if (!first && curdoc.internal_link) free_address(&curdoc); *cmd = LYK_DO_NOTHING; return 2; } if (nhist == 1) { HTInfoMsg(CANCELLED); *old_c = 0; *cmd = LYK_DO_NOTHING; return 2; } else { HTUserMsg2(WWW_SKIP_MESSAGE, WWWDoc.address); do { /* Should be LYhist_prev when _next supports */ LYpop(&curdoc); /* skipping of forms */ } while (nhist > 1 && !are_different( (DocInfo *)&history[(nhist - 1)], &curdoc)); first = FALSE; /* have popped at least one */ continue; } } else { /* * Break from loop; if user just confirmed to * load again because document wasn't in cache, * set LYforce_no_cache to avoid unnecessary * repeat question down the road. - kw */ if (conf) LYforce_no_cache = TRUE; break; } } if (!first) curdoc.internal_link = FALSE; /* * Set newdoc.address to empty to pop a file. */ LYhist_prev_register(&curdoc); /* Why not call _prev instead of zeroing address? */ free_address(&newdoc); #ifdef DIRED_SUPPORT if (lynx_edit_mode) { DIRED_UNCACHE_2; } #endif /* DIRED_SUPPORT */ } else if (child_lynx == TRUE) { return(1); /* exit on left arrow in main screen */ } else if (*old_c != real_c) { *old_c = real_c; HTUserMsg(ALREADY_AT_FIRST); } return 0; } PRIVATE void handle_LYK_PREV_PAGE ARGS2( int *, old_c, int, real_c) { if (Newline > 1) { Newline -= display_lines; } else if (curdoc.link > 0) { set_curdoc_link(0); } else if (*old_c != real_c) { *old_c = real_c; HTInfoMsg(ALREADY_AT_BEGIN); } } PRIVATE void handle_LYK_PRINT ARGS3( BOOLEAN *, ForcePush, int *, old_c, int, real_c) { if (LYValidate) { if (*old_c != real_c) { *old_c = real_c; HTUserMsg(PRINT_DISABLED); } return; } /* * Don't do if already viewing print options page. */ if (!LYIsUIPage(curdoc.address, UIP_PRINT_OPTIONS) && print_options(&newdoc.address, curdoc.address, HText_getNumOfLines()) >= 0) { LYRegisterUIPage(newdoc.address, UIP_PRINT_OPTIONS); StrAllocCopy(newdoc.title, PRINT_OPTIONS_TITLE); LYFreePostData(&newdoc); FREE(newdoc.bookmark); newdoc.isHEAD = FALSE; newdoc.safe = FALSE; *ForcePush = TRUE; /* see LYpush() and print_options() */ if (check_realm) LYPermitURL = TRUE; } } PRIVATE BOOLEAN handle_LYK_QUIT NOARGS { int c; if (LYQuitDefaultYes == TRUE) { c = HTConfirmDefault(REALLY_QUIT, YES); } else { c = HTConfirmDefault(REALLY_QUIT, NO); } if (LYQuitDefaultYes == TRUE) { if (c != NO) { return(TRUE); } else { HTInfoMsg(NO_CANCEL); } } else if (c == YES) { return(TRUE); } else { HTInfoMsg(NO_CANCEL); } return FALSE; } PRIVATE BOOLEAN handle_LYK_RAW_TOGGLE ARGS1( int *, cmd) { if (HTLoadedDocumentCharset()) { HTUserMsg(gettext("charset for this document specified explicitly, sorry...")); return FALSE; } else { LYUseDefaultRawMode = (BOOL) !LYUseDefaultRawMode; HTUserMsg(LYRawMode ? RAWMODE_OFF : RAWMODE_ON); HTMLSetCharacterHandling(current_char_set); return reparse_or_reload(cmd); } } PRIVATE void handle_LYK_RELOAD ARGS1( int, real_cmd) { /* * Check if this is a reply from a POST, and if so, * seek confirmation if the safe element is not set. - FM */ if ((curdoc.post_data != NULL && curdoc.safe != TRUE) && HTConfirm(CONFIRM_POST_RESUBMISSION) == FALSE) { HTInfoMsg(CANCELLED); return; } /* * Check to see if should reload source, or load html */ if (HTisDocumentSource()) { if ((forced_UCLYhdnl = HTMainText_Get_UCLYhndl()) >= 0) force_old_UCLYhndl_on_reload = TRUE; srcmode_for_next_retrieval(1); } HEAD_request = HTLoadedDocumentIsHEAD(); HText_setNoCache(HTMainText); #ifdef NO_ASSUME_SAME_DOC /* * Don't assume the reloaded document will be the same. - FM */ newdoc.line = 1; newdoc.link = 0; #else /* * Do assume the reloaded document will be the same. - FM * (I don't remember all the reasons why we couldn't assume * this. As the problems show up, we'll try to fix them, * or add warnings. - FM) */ newdoc.line = curdoc.line; newdoc.link = curdoc.link; #endif /* NO_ASSUME_SAME_DOC */ free_address(&curdoc); /* so it doesn't get pushed */ #ifdef VMS lynx_force_repaint(); #endif /* VMS */ /* * Reload should force a cache refresh on a proxy. * -- Ari L. * * -- but only if this was really a reload requested by * the user, not if we jumped here to handle reloading for * INLINE_TOGGLE, IMAGE_TOGGLE, RAW_TOGGLE, etc. - KW */ if (real_cmd == LYK_RELOAD) reloading = TRUE; return; } #ifdef DIRED_SUPPORT PRIVATE void handle_LYK_REMOVE ARGS1( BOOLEAN *, refresh_screen) { if (lynx_edit_mode && nlinks > 0 && !no_dired_support) { int linkno = curdoc.link; /* may be changed in local_remove - kw */ local_remove(&curdoc); if (LYAutoUncacheDirLists >= 1) do_cleanup_after_delete(); else if (curdoc.link != linkno) *refresh_screen = TRUE; } } #endif /* DIRED_SUPPORT */ PRIVATE void handle_LYK_RIGHT_LINK NOARGS { if (curdoc.link 0 && !no_dired_support) { if (!strcmp(LYGetHiliteStr(curdoc.link, 0), "..")) return; /* Never tag the parent directory */ if (dir_list_style == MIXED_STYLE) { if (!strcmp(LYGetHiliteStr(curdoc.link, 0), "../")) return; } else if (!strncmp(LYGetHiliteStr(curdoc.link, 0), "Up to ", 6)) return; { /* * HTList-based management of tag list, see LYLocal.c - KW */ HTList * t1 = tagged; char * tagname = NULL; BOOLEAN found = FALSE; while ((tagname = (char *)HTList_nextObject(t1)) != NULL) { if (!strcmp(links[curdoc.link].lname, tagname)) { found = TRUE; HTList_removeObject(tagged, tagname); FREE(tagname); tagflag(OFF,curdoc.link); break; } } if (!found) { if (tagged == NULL) tagged = HTList_new(); tagname = NULL; StrAllocCopy(tagname,links[curdoc.link].lname); HTList_addObject(tagged,tagname); tagflag(ON,curdoc.link); } } if (curdoc.link < nlinks-1) { set_curdoc_link(curdoc.link + 1); } else if (!more && Newline == 1 && curdoc.link == nlinks-1) { set_curdoc_link(0); } else if (more) { /* next page */ Newline += (display_lines); } } } #endif /* DIRED_SUPPORT */ PRIVATE void handle_LYK_TOGGLE_HELP NOARGS { if (user_mode == NOVICE_MODE) { toggle_novice_line(); noviceline(more); } } PRIVATE void handle_LYK_TOOLBAR ARGS4( BOOLEAN *, try_internal, BOOLEAN *, force_load, int *, old_c, int, real_c) { char *cp; char *toolbar = NULL; if (!HText_hasToolbar(HTMainText)) { if (*old_c != real_c) { *old_c = real_c; HTUserMsg(NO_TOOLBAR); } } else if (*old_c != real_c) { *old_c = real_c; cp = trimPoundSelector(curdoc.address); HTSprintf0(&toolbar, "%s#%s", curdoc.address, LYToolbarName); restorePoundSelector(cp); set_address(&newdoc, toolbar); FREE(toolbar); *try_internal = TRUE; *force_load = TRUE; /* force MainLoop to reload */ } } PRIVATE void handle_LYK_TRACE_LOG ARGS1( BOOLEAN *, trace_flag_ptr) { #ifndef NO_LYNX_TRACE /* * Check whether we've started a TRACE log * in this session. - FM */ if (LYTraceLogFP == NULL) { HTUserMsg(NO_TRACELOG_STARTED); return; } /* * Don't do if already viewing the TRACE log. - FM */ if (LYIsUIPage(curdoc.address, UIP_TRACELOG)) return; /* * If TRACE mode is on, turn it off during this fetch of the * TRACE log, so we don't enter stuff about this fetch, and * set a flag for turning it back on when we return to this * loop. Note that we'll miss any messages about memory * exhaustion if it should occur. It seems unlikely that * anything else bad might happen, but if it does, we'll * miss messages about that too. We also fflush(), close, * and open it again, to make sure all stderr messages thus * far will be in the log. - FM */ if (!LYReopenTracelog(trace_flag_ptr)) return; LYLocalFileToURL (&(newdoc.address), LYTraceLogPath); LYRegisterUIPage(newdoc.address, UIP_TRACELOG); StrAllocCopy(newdoc.title, LYNX_TRACELOG_TITLE); LYFreePostData(&newdoc); FREE(newdoc.bookmark); newdoc.isHEAD = FALSE; newdoc.safe = FALSE; newdoc.internal_link = FALSE; if (LYValidate || check_realm) { LYPermitURL = TRUE; } LYforce_no_cache = TRUE; #else HTUserMsg(TRACE_DISABLED); #endif /* NO_LYNX_TRACE */ } #ifdef DIRED_SUPPORT PRIVATE void handle_LYK_UPLOAD NOARGS { /* * Don't do if already viewing upload options page. */ if (LYIsUIPage(curdoc.address, UIP_UPLOAD_OPTIONS)) return; if (lynx_edit_mode && !no_dired_support) { LYUpload_options(&(newdoc.address), curdoc.address); StrAllocCopy(newdoc.title, UPLOAD_OPTIONS_TITLE); LYFreePostData(&newdoc); FREE(newdoc.bookmark); newdoc.isHEAD = FALSE; newdoc.safe = FALSE; newdoc.internal_link = FALSE; /* * Uncache the current listing so that it will * be updated to included the uploaded file if * placed in the current directory. - FM */ DIRED_UNCACHE_1; } } #endif /* DIRED_SUPPORT */ PRIVATE void handle_LYK_UP_HALF ARGS3( int *, arrowup, int *, old_c, int, real_c) { if (Newline > 1) { int scrollamount = display_lines/2; if (Newline - scrollamount < 1) scrollamount = Newline - 1; Newline -= scrollamount; if (nlinks > 0 && curdoc.link > -1) { if (links[curdoc.link].ly + scrollamount <= display_lines) { newdoc.link = curdoc.link + HText_LinksInLines(HTMainText, Newline, scrollamount); } else { *arrowup = TRUE; } } } else if (*old_c != real_c) { *old_c = real_c; HTInfoMsg(ALREADY_AT_BEGIN); } } PRIVATE void handle_LYK_UP_LINK ARGS4( int *, follow_col, int *, arrowup, int *, old_c, int, real_c) { if (curdoc.link > 0 && (links[0].ly != links[curdoc.link].ly || !HText_LinksInLines(HTMainText, 1, Newline - 1))) { /* more links before this on screen, and first of them on a different line or no previous links before this screen? */ int newlink; if (*follow_col == -1) { char *text = LYGetHiliteStr(curdoc.link, 0); *follow_col = links[curdoc.link].lx; if (text != NULL) *follow_col += strlen(text) / 2; } newlink = find_link_near_col(*follow_col, -1); if (newlink > -1) { set_curdoc_link(newlink); } else if (*old_c != real_c) { *old_c = real_c; HTUserMsg(NO_LINKS_ABOVE); } } else if (curdoc.line > 1 && Newline > 1) { /* previous page */ int scrollamount = (Newline > display_lines ? display_lines : Newline - 1); Newline -= scrollamount; if (scrollamount < display_lines && nlinks > 0 && curdoc.link > -1 && links[0].ly -1 + scrollamount <= display_lines) { newdoc.link = HText_LinksInLines(HTMainText, 1, scrollamount) - 1; } else { *arrowup = TRUE; } } else if (*old_c != real_c) { *old_c = real_c; HTInfoMsg(ALREADY_AT_BEGIN); } } PRIVATE void handle_LYK_UP_TWO ARGS3( int *, arrowup, int *, old_c, int, real_c) { if (Newline > 1) { int scrollamount = (Newline > 2 ? 2 : 1); Newline -= scrollamount; if (nlinks > 0 && curdoc.link > -1) { if (links[curdoc.link].ly + scrollamount <= display_lines) { newdoc.link = curdoc.link + HText_LinksInLines(HTMainText, Newline, scrollamount); } else { *arrowup = TRUE; } } } else if (*old_c != real_c) { *old_c = real_c; HTInfoMsg(ALREADY_AT_BEGIN); } } PRIVATE void handle_LYK_VIEW_BOOKMARK ARGS3( BOOLEAN *, refresh_screen, int *, old_c, int, real_c) { char *cp; if (LYValidate) { if (*old_c != real_c) { *old_c = real_c; HTUserMsg(BOOKMARKS_DISABLED); } return; } /* * See if a bookmark exists. * If it does replace newdoc.address with its name. */ if ((cp = get_bookmark_filename(&newdoc.address)) != NULL) { if (*cp == '\0' || !strcmp(cp, " ") || !strcmp(curdoc.address, newdoc.address)) { if (LYMultiBookmarks != MBM_OFF) *refresh_screen = TRUE; return; } #ifdef KANJI_CODE_OVERRIDE if (HTCJK == JAPANESE) { last_kcode = NOKANJI; /* AUTO */ } #endif LYforce_no_cache = TRUE; /*force the document to be reloaded*/ StrAllocCopy(newdoc.title, BOOKMARK_TITLE); StrAllocCopy(newdoc.bookmark, BookmarkPage); LYFreePostData(&newdoc); newdoc.isHEAD = FALSE; newdoc.safe = FALSE; newdoc.internal_link = FALSE; } else { if (*old_c != real_c) { *old_c = real_c; LYMBM_statusline(BOOKMARKS_NOT_OPEN); LYSleepAlert(); if (LYMultiBookmarks != MBM_OFF) { *refresh_screen = TRUE; } } } } PRIVATE BOOLEAN handle_LYK_VLINKS ARGS2( int *, cmd, BOOLEAN *, newdoc_link_is_absolute) { int c; if (LYIsUIPage(curdoc.address, UIP_VLINKS)) { /* * Already viewing visited links page, so get out. */ *cmd = LYK_PREV_DOC; return TRUE; } /* * Print visited links page to file. */ c = LYShowVisitedLinks(&newdoc.address); if (c < 0) { HTUserMsg(VISITED_LINKS_EMPTY); return FALSE; } StrAllocCopy(newdoc.title, VISITED_LINKS_TITLE); LYFreePostData(&newdoc); FREE(newdoc.bookmark); newdoc.isHEAD = FALSE; newdoc.safe = FALSE; newdoc.internal_link = FALSE; if (c > 0) { /* Select a correct link. */ *newdoc_link_is_absolute = TRUE; newdoc.link = c - 1; } if (LYValidate || check_realm) { LYPermitURL = TRUE; StrAllocCopy(lynxlinksfile, newdoc.address); } return FALSE; } PUBLIC void handle_LYK_WHEREIS ARGS2( int, cmd, BOOLEAN *, refresh_screen) { BOOLEAN have_target_onscreen = (BOOLEAN) (*prev_target != '\0' && HText_pageHasPrevTarget()); BOOL found; int oldcur = curdoc.link; /* temporarily remember */ char *remember_old_target = NULL; if (have_target_onscreen) StrAllocCopy(remember_old_target, prev_target); else StrAllocCopy(remember_old_target, ""); if (cmd == LYK_WHEREIS) { /* * Reset prev_target to force prompting * for a new search string and to turn * off highlighting if no search string * is entered by the user. */ *prev_target = '\0'; } found = textsearch(&curdoc, prev_target, sizeof(prev_target)-1, (cmd == LYK_WHEREIS) ? 0 : ((cmd == LYK_NEXT) ? 1 : -1)); /* * Force a redraw to ensure highlighting of hits * even when found on the same page, or clearing * of highlighting if the default search string * was erased without replacement. - FM */ /* ** Well let's try to avoid it at least in a few cases ** where it is not needed. - kw */ if (www_search_result >= 0 && www_search_result != curdoc.line) { *refresh_screen = TRUE; /* doesn't really matter */ } else if (!found) { *refresh_screen = have_target_onscreen; } else if (!have_target_onscreen && found) { *refresh_screen = TRUE; } else if (www_search_result == curdoc.line && curdoc.link == oldcur && curdoc.link >= 0 && nlinks > 0 && links[curdoc.link].ly >= (display_lines/3)) { *refresh_screen = TRUE; } else if ((case_sensitive && 0!=strcmp(prev_target, remember_old_target)) || (!case_sensitive && 0!=strcasecomp8(prev_target, remember_old_target))) { *refresh_screen = TRUE; } FREE(remember_old_target); } /* * Get a number from the user and follow that link number. */ PRIVATE void handle_LYK_digit ARGS6( int, c, BOOLEAN *, force_load, char *, user_input_buffer, int *, old_c, int, real_c, BOOLEAN *, try_internal GCC_UNUSED) { int lindx = ((nlinks > 0) ? curdoc.link : 0); int number; char *temp = NULL; /* pass cur line num for use in follow_link_number() * Note: Current line may not equal links[cur].line */ number = curdoc.line; switch (follow_link_number(c, lindx, &newdoc, &number)) { case DO_LINK_STUFF: /* * Follow a normal link. */ set_address(&newdoc, links[lindx].lname); StrAllocCopy(newdoc.title, LYGetHiliteStr(lindx, 0)); #ifndef DONT_TRACK_INTERNAL_LINKS /* * For internal links, retain POST content if present. * If we are on the List Page, prevent pushing it on * the history stack. Otherwise set try_internal to * signal that the top of the loop should attempt to * reposition directly, without calling getfile. - kw */ if (links[lindx].type == WWW_INTERN_LINK_TYPE) { LYinternal_flag = TRUE; newdoc.internal_link = TRUE; if (LYIsListpageTitle(NonNull(curdoc.title)) && (LYIsUIPage(curdoc.address, UIP_LIST_PAGE) || LYIsUIPage(curdoc.address, UIP_ADDRLIST_PAGE))) { if (check_history()) { LYinternal_flag = TRUE; } else { HTLastConfirmCancelled(); /* reset flag */ if (!confirm_post_resub(newdoc.address, newdoc.title, (LYresubmit_posts && HText_POSTReplyLoaded(&newdoc)) ? 1 : 2, 2)) { if (HTLastConfirmCancelled() || (LYresubmit_posts && !HText_POSTReplyLoaded(&newdoc))) { /* cancel the whole thing */ LYforce_no_cache = FALSE; reloading = FALSE; copy_address(&newdoc, &curdoc); StrAllocCopy(newdoc.title, curdoc.title); newdoc.internal_link = curdoc.internal_link; HTInfoMsg(CANCELLED); if (nlinks > 0) HText_pageDisplay(curdoc.line, prev_target); break; } else if (LYresubmit_posts) { /* If LYresubmit_posts is set, and the answer was No, and we have a cached copy, then use it. - kw */ LYforce_no_cache = FALSE; } else { /* if No, but not ^C or ^G, drop * the post data. Maybe the link * wasn't meant to be internal after * all, here we can recover from that * assumption. - kw */ LYFreePostData(&newdoc); newdoc.internal_link = FALSE; HTAlert(DISCARDING_POST_DATA); } } } /* * Don't push the List Page if we follow an * internal link given by it. - kw */ free_address(&curdoc); } else *try_internal = TRUE; if (!(LYresubmit_posts && newdoc.post_data)) LYinternal_flag = TRUE; *force_load = TRUE; break; } else { /* * Free POST content if not an internal link. - kw */ LYFreePostData(&newdoc); } #endif /* DONT_TRACK_INTERNAL_LINKS */ /* * Might be an anchor in the same doc from a POST * form. If so, don't free the content. -- FM */ if (are_different(&curdoc, &newdoc)) { LYFreePostData(&newdoc); FREE(newdoc.bookmark); newdoc.isHEAD = FALSE; newdoc.safe = FALSE; if (isLYNXMESSAGES(newdoc.address)) LYforce_no_cache = TRUE; } newdoc.internal_link = FALSE; *force_load = TRUE; /* force MainLoop to reload */ break; case DO_GOTOLINK_STUFF: /* * Position on a normal link, don't follow it. - KW */ Newline = newdoc.line; newdoc.line = 1; if (Newline == curdoc.line) { /* * It's a link in the current page. - FM */ if (nlinks > 0 && curdoc.link > -1) { if (curdoc.link == newdoc.link) { /* * It's the current link, and presumably * reflects a typo in the statusline entry, * so issue a statusline message for the * typo-prone users (like me 8-). - FM */ StrAllocCopy(temp, user_input_buffer); sprintf(user_input_buffer, LINK_ALREADY_CURRENT, number); HTUserMsg(user_input_buffer); LYstrncpy(user_input_buffer, temp, MAX_LINE - 1); FREE(temp); } else { /* * It's a different link on this page, */ set_curdoc_link(newdoc.link); newdoc.link = 0; } } } break; /* nothing more to do */ case DO_GOTOPAGE_STUFF: /* * Position on a page in this document. - FM */ Newline = newdoc.line; newdoc.line = 1; if (Newline == curdoc.line) { /* * It's the current page, so issue a * statusline message for the typo-prone * users (like me 8-). - FM */ if (Newline <= 1) { HTInfoMsg(ALREADY_AT_BEGIN); } else if (!more) { HTInfoMsg(ALREADY_AT_END); } else { StrAllocCopy(temp, user_input_buffer); sprintf(user_input_buffer, ALREADY_AT_PAGE, number); HTUserMsg(user_input_buffer); LYstrncpy(user_input_buffer, temp, MAX_LINE - 1); FREE(temp); } } break; case PRINT_ERROR: *old_c = real_c; HTUserMsg(BAD_LINK_NUM_ENTERED); break; } return; } #ifdef SUPPORT_CHDIR /* original implementation by VH */ PUBLIC void handle_LYK_CHDIR NOARGS { static char buf[LY_MAXPATH]; char *p = NULL; if (no_chdir) { HTUserMsg(CHDIR_DISABLED); return; } _statusline(gettext("cd to:")); /* some people may prefer automatic clearing of the previous user input, here, to do this, just uncomment next line - VH */ /* buf[0]='\0'; */ if (LYgetstr(buf, VISIBLE, sizeof(buf)-1, 0) < 0 || !*buf) { HTInfoMsg(CANCELLED); return; } if (*buf == '~' && !buf[1]) { StrAllocCopy(p, Home_Dir()); } else if (*buf == '~') { HTSprintf0(&p, "%s%s", Home_Dir(), buf+1); } else { StrAllocCopy(p, buf); } CTRACE((tfp, "changing directory to '%s'\n", p)); if (chdir(p)) { switch (errno) { case EACCES: HTInfoMsg(COULD_NOT_ACCESS_DIR); break; case ENOENT: HTInfoMsg(gettext("No such directory")); break; case ENOTDIR: HTInfoMsg(gettext("A component of path is not a directory")); break; default: HTInfoMsg(gettext("failed to change directory")); break; } } else { #ifdef DIRED_SUPPORT /*if in dired, load content of other directory*/ if (!no_dired_support && (lynx_edit_mode || (LYIsUIPage(curdoc.address, UIP_DIRED_MENU)))) { char buf2[LY_MAXPATH]; char* addr = NULL; Current_Dir(buf2); LYLocalFileToURL(&addr, buf2); newdoc.address = addr; newdoc.isHEAD = FALSE; StrAllocCopy(newdoc.title, gettext("A URL specified by the user")); LYFreePostData(&newdoc); FREE(newdoc.bookmark); newdoc.safe = FALSE; newdoc.internal_link = FALSE; /**force_load = TRUE;*/ if (lynx_edit_mode) { DIRED_UNCACHE_2; } } else #endif HTInfoMsg(OPERATION_DONE); } FREE(p); } #endif #ifdef USE_CURSES_PADS /* * Having jumps larger than this is counter-productive. Indeed, it is natural * to expect that when the relevant text appears, one would "overshoot" and * would scroll 3-4 extra full screens. When going back, the "accumulation" * logic would again start moving in full screens, so one would overshoot * again, etc. * * Going back, one can fix it in 28 keypresses. The relevant text will appear * on the screen soon enough for the key-repeat to become not that important, * and we are still moving in smaller steps than when we overshot. Since key * repeat is not important, even if we overshoot again, it is going to be by 30 * steps, which is easy to fix by reversing the direction again. */ PRIVATE int repeat_to_delta ARGS1(int, n) { int threshold = LYcols / 3; while (threshold > 0) { if (n >= threshold) { n = threshold; break; } threshold = (threshold * 2) / 3; } return n; } PRIVATE void handle_LYK_SHIFT_LEFT ARGS2(BOOLEAN *, flag, int, count) { if (!LYwideLines) { HTAlert(SHIFT_VS_LINEWRAP); return; } if (LYshiftWin > 0) { LYshiftWin -= repeat_to_delta(count); *flag = TRUE; } if (LYshiftWin < 0) LYshiftWin = 0; } PRIVATE void handle_LYK_SHIFT_RIGHT ARGS2(BOOLEAN *, flag, int, count) { if (!LYwideLines) { HTAlert(SHIFT_VS_LINEWRAP); return; } LYshiftWin += repeat_to_delta(count); *flag = TRUE; } PRIVATE BOOLEAN handle_LYK_LINEWRAP_TOGGLE ARGS2( int *, cmd, BOOLEAN *, flag) { static char *choices[] = { "Try to fit screen width", "No line wrap in columns", "Wrap columns at screen width", "Wrap columns at 3/4 screen width", "Wrap columns at 2/3 screen width", "Wrap columns at 1/2 screen width", "Wrap columns at 1/3 screen width", "Wrap columns at 1/4 screen width", NULL }; static int wrap[] = { 0, 0, 12, /* In units of 1/12 */ 9, 8, 6, 4, 3 }; int c; if (LYwin == stdscr) return FALSE; /* Somehow the mouse is over the number instead of being over the name, so we decrease x. */ c = LYChoosePopup(!LYwideLines, LYlines /2 - 2, LYcols/2-6, choices, TABLESIZE(choices) - 1, FALSE, TRUE); /* * LYhandlePopupList() wasn't really meant to be used * outside of old-style Options menu processing. One result of * mis-using it here is that we have to deal with side-effects * regarding SIGINT signal handler and the term_options global * variable. - kw */ if (term_options) return FALSE; LYwideLines = c; LYtableCols = wrap[c]; if (LYwideLines == 0) LYshiftWin = 0; *flag = TRUE; HTUserMsg(LYwideLines ? LINEWRAP_OFF : LINEWRAP_ON); return reparse_or_reload(cmd); } #endif /* * Here's where we do all the work. * mainloop is basically just a big switch dependent on the users input. * I have tried to offload most of the work done here to procedures to * make it more modular, but this procedure still does a lot of variable * manipulation. This needs some work to make it neater. - Lou Moutilli * (memoir from the original Lynx - FM) */ int mainloop NOARGS { #if defined(WIN_EX) /* 1997/10/08 (Wed) 14:52:06 */ #undef STRING_MAX #define STRING_MAX 4096 char temp_buff[STRING_MAX]; #define BUFF_MAX 1024 char sjis_buff[BUFF_MAX]; #endif int c = 0, real_c = 0, old_c = 0, pending_form_c = -1; int cmd = LYK_DO_NOTHING, real_cmd = LYK_DO_NOTHING; int getresult; int arrowup = FALSE, show_help = FALSE; char user_input_buffer[MAX_LINE]; CONST char *cshelpfile = NULL; BOOLEAN first_file = TRUE; BOOLEAN popped_doc = FALSE; BOOLEAN refresh_screen = FALSE; BOOLEAN force_load = FALSE; BOOLEAN try_internal = FALSE; BOOLEAN crawl_ok = FALSE; BOOLEAN vi_keys_flag = vi_keys; BOOLEAN emacs_keys_flag = emacs_keys; BOOLEAN trace_mode_flag = FALSE; BOOLEAN forced_HTML_mode = LYforce_HTML_mode; char cfile[128]; FILE *cfp; char *cp; int ch, recall; int URLTotal; int URLNum; BOOLEAN FirstURLRecall = TRUE; char *temp = NULL; BOOLEAN ForcePush = FALSE; BOOLEAN override_LYresubmit_posts = FALSE; BOOLEAN newdoc_link_is_absolute = FALSE; BOOLEAN curlink_is_editable; BOOLEAN use_last_tfpos; unsigned int len; int i; int follow_col = -1, key_count = 0, last_key = 0; /* "internal" means "within the same document, with certainty". * It includes a space so it cannot conflict with any (valid) "TYPE" * attributes on A elements. [According to which DTD, anyway??] - kw */ HTInternalLink = HTAtom_for("internal link"); /* init, used as const */ #ifndef WWW_SOURCE WWW_SOURCE = HTAtom_for("www/source"); /* init, used as const */ #endif /* * curdoc.address contains the name of the file that is currently open. * newdoc.address contains the name of the file that will soon be * opened if it exits. * prev_target contains the last search string the user searched for. * newdoc.title contains the link name that the user last chose to get * into the current link (file). */ /* initialize some variables*/ newdoc.address = NULL; newdoc.title = NULL; newdoc.post_data = NULL; newdoc.post_content_type = NULL; newdoc.bookmark = NULL; newdoc.internal_link = FALSE; curdoc.address = NULL; curdoc.title = NULL; curdoc.post_data = NULL; curdoc.post_content_type = NULL; curdoc.bookmark = NULL; curdoc.internal_link = FALSE; #ifdef USE_COLOR_STYLE curdoc.style = NULL; newdoc.style = NULL; #endif nhist = 0; user_input_buffer[(sizeof(user_input_buffer) - 1)] = '\0'; *prev_target = '\0'; *user_input_buffer = '\0'; #ifdef LY_FIND_LEAKS atexit(free_mainloop_variables); #endif initialize: set_address(&newdoc, startfile); StrAllocCopy(startrealm, startfile); StrAllocCopy(newdoc.title, gettext("Entry into main screen")); newdoc.isHEAD = FALSE; newdoc.safe = FALSE; newdoc.line = 1; newdoc.link = 0; #ifdef USE_SLANG if (TRACE && LYCursesON) { LYaddstr("\n"); LYrefresh(); } #endif /* USE_SLANG */ CTRACE((tfp, "Entering mainloop, startfile=%s\n", startfile)); if (form_post_data) { BStrCopy0(newdoc.post_data, form_post_data); StrAllocCopy(newdoc.post_content_type, "application/x-www-form-urlencoded"); } else if (form_get_data) { StrAllocCat(newdoc.address, form_get_data); } if (bookmark_start) { if (LYValidate) { HTAlert(BOOKMARKS_DISABLED); bookmark_start = FALSE; goto initialize; } else if (traversal) { HTAlert(BOOKMARKS_NOT_TRAVERSED); traversal = FALSE; crawl = FALSE; bookmark_start = FALSE; goto initialize; } else { /* * See if a bookmark page exists. If it does, * replace newdoc.address with its name */ if ((cp = get_bookmark_filename(&newdoc.address)) != NULL && *cp != '\0' && strcmp(cp, " ")) { StrAllocCopy(newdoc.title, BOOKMARK_TITLE); StrAllocCopy(newdoc.bookmark, BookmarkPage); StrAllocCopy(startrealm, newdoc.address); LYFreePostData(&newdoc); newdoc.isHEAD = FALSE; newdoc.safe = FALSE; CTRACE((tfp, "Using bookmarks=%s\n", newdoc.address)); } else { HTUserMsg(BOOKMARKS_NOT_OPEN); bookmark_start = FALSE; goto initialize; } } } FREE(form_post_data); FREE(form_get_data); if (user_mode == NOVICE_MODE) display_lines = LYlines-4; else display_lines = LYlines-2; while (TRUE) { #ifdef USE_COLOR_STYLE if (curdoc.style != NULL) force_load = TRUE; #endif /* * If newdoc.address is different then curdoc.address then * we need to go out and find and load newdoc.address. */ if (LYforce_no_cache || force_load || are_different(&curdoc, &newdoc)) { force_load = FALSE; /* done */ if (TRACE && LYCursesON) { LYHideCursor(); /* make sure cursor is down */ #ifdef USE_SLANG LYaddstr("\n"); #endif /* USE_SLANG */ LYrefresh(); } try_again: /* * Push the old file onto the history stack if we * have a current doc and a new address. - FM */ if (curdoc.address && newdoc.address) { /* * Don't actually push if this is a LYNXDOWNLOAD * URL, because that returns NORMAL even if it * fails due to a spoof attempt or file access * problem, and we set the newdoc structure * elements to the curdoc structure elements * under case NORMAL. - FM */ if (!isLYNXDOWNLOAD(newdoc.address)) { LYpush(&curdoc, ForcePush); } } else if (!newdoc.address) { /* * If newdoc.address is empty then pop a file * and load it. - FM */ LYhist_prev(&newdoc); popped_doc = TRUE; #ifndef DONT_TRACK_INTERNAL_LINKS /* ** If curdoc had been reached via an internal ** (fragment) link from what we now have just ** popped into newdoc, then override non-caching in ** all cases. - kw */ if (curdoc.internal_link && !are_phys_different(&curdoc, &newdoc)) { LYinternal_flag = TRUE; LYoverride_no_cache = TRUE; LYforce_no_cache = FALSE; try_internal = TRUE; } else #endif /* TRACK_INTERNAL_LINKS */ { /* * Force a no_cache override unless * it's a bookmark file, or it has POST content * and LYresubmit_posts is set without safe also * set, and we are not going to another position * in the current document or restoring the previous * document due to a NOT_FOUND or NULLFILE return * value from getfile(). - FM */ if ((newdoc.bookmark != NULL) || (newdoc.post_data != NULL && !newdoc.safe && LYresubmit_posts && !override_LYresubmit_posts && NO_INTERNAL_OR_DIFFERENT(&curdoc, &newdoc))) { LYoverride_no_cache = FALSE; } else { LYoverride_no_cache = TRUE; } } } override_LYresubmit_posts = FALSE; if (HEAD_request) { /* * Make SURE this is an appropriate request. - FM */ if (newdoc.address) { if (LYCanDoHEAD(newdoc.address) == TRUE) { newdoc.isHEAD = TRUE; } else if (isLYNXIMGMAP(newdoc.address)) { if (LYCanDoHEAD(newdoc.address + LEN_LYNXIMGMAP) == TRUE) { StrAllocCopy(temp, newdoc.address + LEN_LYNXIMGMAP); free_address(&newdoc); newdoc.address = temp; newdoc.isHEAD = TRUE; temp = NULL; } } } try_internal = FALSE; HEAD_request = FALSE; } /* * If we're getting the TRACE log and it's not new, * check whether its HText structure has been dumped, * and if so, fflush() and fclose() it to ensure it's * fully updated, and then fopen() it again. - FM */ if (LYUseTraceLog == TRUE && trace_mode_flag == FALSE && LYTraceLogFP != NULL && LYIsUIPage(newdoc.address, UIP_TRACELOG)) { DocAddress WWWDoc; HTParentAnchor *tmpanchor; WWWDoc.address = newdoc.address; WWWDoc.post_data = newdoc.post_data; WWWDoc.post_content_type = newdoc.post_content_type; WWWDoc.bookmark = newdoc.bookmark; WWWDoc.isHEAD = newdoc.isHEAD; WWWDoc.safe = newdoc.safe; tmpanchor = HTAnchor_findAddress(&WWWDoc); if ((HText *)HTAnchor_document(tmpanchor) == NULL) { if (!LYReopenTracelog(&trace_mode_flag)) { old_c = 0; cmd = LYK_PREV_DOC; goto new_cmd; } } } LYRequestTitle = newdoc.title; if (newdoc.bookmark) LYforce_HTML_mode = TRUE; if (LYValidate && startfile_ok && newdoc.address && startfile && homepage && (!strcmp(newdoc.address, startfile) || !strcmp(newdoc.address, homepage))) { LYPermitURL = TRUE; } /* reset these two variables here before getfile() * so they will be available in partial mode * (was previously implemented in case NORMAL). */ *prev_target = '\0'; /* Reset for new coming document */ Newline = newdoc.line; /* set for LYGetNewline() */ #ifdef USE_PRETTYSRC psrc_first_tag = TRUE; #endif #ifdef TEXTFIELDS_MAY_NEED_ACTIVATION textfields_need_activation = textfields_activation_option; #endif FREE(LYRequestReferer); /* * Don't send Referer if we have to load a document again * that we got from the history stack. We don't know * any more how we originally got to that page. Using * a Referer based on the current HTMainText could only * be right by coincidence. - kw 1999-11-01 */ if (popped_doc) LYNoRefererForThis = TRUE; #ifndef DONT_TRACK_INTERNAL_LINKS if (try_internal) { if (newdoc.address && isLYNXIMGMAP(newdoc.address)) { try_internal = FALSE; } else if (curdoc.address && isLYNXIMGMAP(curdoc.address)) { try_internal = FALSE; } } if (try_internal) { char *hashp = findPoundSelector(newdoc.address); if (hashp) { HTFindPoundSelector(hashp+1); } getresult = (HTMainText != NULL) ? NORMAL : NOT_FOUND; try_internal = FALSE; /* done */ /* fix up newdoc.address which may have been fragment-only */ if (getresult == NORMAL && (!hashp || hashp == newdoc.address)) { if (!hashp) { set_address(&newdoc, HTLoadedDocumentURL()); } else { StrAllocCopy(temp, HTLoadedDocumentURL()); StrAllocCat(temp, hashp); /* append fragment */ set_address(&newdoc, temp); FREE(temp); } } } else { if (newdoc.internal_link && newdoc.address && *newdoc.address == '#' && nhist > 0) { char *cp0; if (isLYNXIMGMAP(HDOC(nhist-1).address)) cp0 = HDOC(nhist-1).address + LEN_LYNXIMGMAP; else cp0 = HDOC(nhist-1).address; StrAllocCopy(temp, cp0); (void) trimPoundSelector(temp); StrAllocCat(temp, newdoc.address); free_address(&newdoc); newdoc.address = temp; temp = NULL; } getresult = getfile(&newdoc); } #else /* TRACK_INTERNAL_LINKS */ getresult = getfile(&newdoc); #endif /* TRACK_INTERNAL_LINKS */ #ifdef INACTIVE_INPUT_STYLE_VH textinput_redrawn = FALSE; /* for sure */ #endif switch(getresult) { case NOT_FOUND: /* * OK! can't find the file, so it must not be around now. * Do any error logging, if appropriate. */ LYoverride_no_cache = FALSE; /* Was TRUE if popped. - FM */ LYinternal_flag = FALSE; /* Reset to default. - kw */ turn_trace_back_on(&trace_mode_flag); if (!first_file && !LYCancelledFetch) { /* * Do error mail sending and/or traversal * stuff. Note that the links[] elements may * not be valid at this point, if we did call * HTuncache_current_document! This should * not have happened for traversal, but for * sending error mail check that HTMainText * exists for this reason. - kw */ if (error_logging && nhist > 0 && !popped_doc && !LYUserSpecifiedURL && HTMainText && nlinks > 0 && curdoc.link < nlinks && !isLYNXHIST(NonNull(newdoc.address)) && !isLYNXCOOKIE(NonNull(newdoc.address))) { char *mail_owner = NULL; if (owner_address && isMAILTO_URL(owner_address)) { mail_owner = owner_address + LEN_MAILTO_URL; } /* * Email a bad link message to the owner of * the document, or to ALERTMAIL if defined, * but NOT to lynx-dev (it is rejected in * mailmsg). - FM, kw */ #ifndef ALERTMAIL if (mail_owner) #endif mailmsg(curdoc.link, mail_owner, HDOC(nhist-1).address, HDOC(nhist-1).title); } if (traversal) { FILE *ofp; if ((ofp = LYAppendToTxtFile(TRAVERSE_ERRORS)) == NULL) { if ((ofp = LYNewTxtFile(TRAVERSE_ERRORS)) == NULL) { perror(NOOPEN_TRAV_ERR_FILE); exit_immediately(EXIT_FAILURE); } } if (nhist > 0) { fprintf(ofp, "%s %s\tin %s\n", popped_doc ? newdoc.address : links[curdoc.link].lname, links[curdoc.link].target, HDOC(nhist-1).address); } else { fprintf(ofp, "%s %s\t\n", popped_doc ? newdoc.address : links[curdoc.link].lname, links[curdoc.link].target); } LYCloseOutput(ofp); } } /* * Fall through to do the NULL stuff and reload the * old file, unless the first file wasn't found or * has gone missing. */ if (!nhist) { /* * If nhist = 0 then it must be the first file. */ exit_immediately_with_error_message(NOT_FOUND, first_file); return(EXIT_FAILURE); } /* FALLTHRU */ case NULLFILE: /* * Not supposed to return any file. */ LYoverride_no_cache = FALSE; /* Was TRUE if popped. - FM */ popped_doc = FALSE; /* Was TRUE if popped. - FM */ LYinternal_flag = FALSE; /* Reset to default. - kw */ turn_trace_back_on(&trace_mode_flag); free_address(&newdoc); /* to pop last doc */ FREE(newdoc.bookmark); LYJumpFileURL = FALSE; reloading = FALSE; LYPermitURL = FALSE; LYCancelledFetch = FALSE; ForcePush = FALSE; LYforce_HTML_mode = FALSE; force_old_UCLYhndl_on_reload = FALSE; if (traversal) { crawl_ok = FALSE; if (traversal_link_to_add) { /* * It's a binary file, or the fetch attempt * failed. Add it to TRAVERSE_REJECT_FILE * so we don't try again in this run. */ if (!lookup_reject(traversal_link_to_add)) { add_to_reject_list(traversal_link_to_add); } FREE(traversal_link_to_add); } } /* * Make sure the first file was found and * has not gone missing. */ if (!nhist) { /* * If nhist = 0 then it must be the first file. */ if (first_file && homepage && !LYSameFilename(homepage, startfile)) { /* * Couldn't return to the first file but there is a * homepage we can use instead. Useful for when the * first URL causes a program to be invoked. - GL * * But first make sure homepage is different from * startfile (above), then make it the same (below) * so we don't enter an infinite getfile() loop on * on failures to find the files. - FM */ set_address(&newdoc, homepage); LYFreePostData(&newdoc); FREE(newdoc.bookmark); StrAllocCopy(startfile, homepage); newdoc.isHEAD = FALSE; newdoc.safe = FALSE; newdoc.internal_link = FALSE; goto try_again; } else { exit_immediately_with_error_message(NULLFILE, first_file); return(EXIT_FAILURE); } } /* * If we're going to pop from history because * getfile didn't succeed, reset LYforce_no_cache * first. This would have been done in HTAccess.c * if the request got that far, but the URL may * have been handled or rejected in getfile without * taking care of that. - kw */ LYforce_no_cache = FALSE; /* * Retrieval of a newdoc just failed, and just * going to try_again would pop the next doc * from history and try to get it without further * questions. This may not be the right thing to do if * we have POST data, so fake a PREV_DOC key if it seems * that some prompting should be done. This doesn't * affect the traversal logic, since with traversal * POST data can never occur. - kw */ if (HDOC(nhist - 1).post_data && !HDOC(nhist - 1).safe) { if (HText_POSTReplyLoaded((DocInfo *)&history[(nhist - 1)])) { override_LYresubmit_posts = TRUE; goto try_again; } /* Set newdoc fields, just in case the PREV_DOC * gets cancelled. - kw */ if (!curdoc.address) { set_address(&newdoc, HTLoadedDocumentURL()); StrAllocCopy(newdoc.title, HTLoadedDocumentTitle()); if (HTMainAnchor && HTMainAnchor->post_data) { BStrCopy(newdoc.post_data, HTMainAnchor->post_data); StrAllocCopy(newdoc.post_content_type, HTMainAnchor->post_content_type); } else { BStrFree(newdoc.post_data); } newdoc.isHEAD = HTLoadedDocumentIsHEAD(); newdoc.safe = HTLoadedDocumentIsSafe(); newdoc.internal_link = FALSE; } else { copy_address(&newdoc, &curdoc); StrAllocCopy(newdoc.title, curdoc.title); BStrCopy(newdoc.post_data, curdoc.post_data); StrAllocCopy(newdoc.post_content_type, curdoc.post_content_type); newdoc.isHEAD = curdoc.isHEAD; newdoc.safe = curdoc.safe; newdoc.internal_link = curdoc.internal_link; newdoc.line = curdoc.line; newdoc.link = curdoc.link; } cmd = LYK_PREV_DOC; goto new_cmd; } override_LYresubmit_posts = TRUE; goto try_again; case NORMAL: /* * Marvelously, we got the document! */ LYoverride_no_cache = FALSE; /* Was TRUE if popped. - FM */ LYinternal_flag = FALSE; /* Reset to default. - kw */ turn_trace_back_on(&trace_mode_flag); /* * If it's the first file and we're interactive, * check whether it's a bookmark file which was * not accessed via the -book switch. - FM */ if (((first_file == TRUE) && (dump_output_immediately == FALSE) && !(newdoc.bookmark && *newdoc.bookmark)) && ((LYisLocalFile(newdoc.address) == TRUE) && !(strcmp(NonNull(HText_getTitle()), BOOKMARK_TITLE))) && (temp = HTParse(newdoc.address, "", PARSE_PATH+PARSE_PUNCTUATION)) != NULL) { CONST char *name = wwwName(Home_Dir()); len = strlen(name); #ifdef VMS if (!strncasecomp(temp, name, len) && strlen(temp) > len) #else if (!strncmp(temp, name, len) && strlen(temp) > len) #endif /* VMS */ { /* * We're interactive and this might be a * bookmark file entered as a startfile * rather than invoked via -book. Check * if it's in our bookmark file list, and * if so, reload if with the relevant * bookmark elements set. - FM */ cp = NULL; if (temp[len] == '/') { if (strchr(&temp[(len + 1)], '/')) { HTSprintf0(&cp, ".%s", &temp[len]); } else { StrAllocCopy(cp, &temp[(len + 1)]); } } else { StrAllocCopy(cp, &temp[len]); } for (i = 0; i <= MBM_V_MAXFILES; i++) { if (MBM_A_subbookmark[i] && LYSameFilename(cp, MBM_A_subbookmark[i])) { StrAllocCopy(BookmarkPage, MBM_A_subbookmark[i]); break; } } FREE(cp); if (i <= MBM_V_MAXFILES) { FREE(temp); if (LYValidate) { HTAlert(BOOKMARKS_DISABLED); return(EXIT_FAILURE); } if ((temp = HTParse(newdoc.address, "", PARSE_ACCESS+PARSE_HOST+PARSE_PUNCTUATION))) { set_address(&newdoc, temp); HTuncache_current_document(); free_address(&curdoc); StrAllocCat(newdoc.address, wwwName(Home_Dir())); StrAllocCat(newdoc.address, "/"); StrAllocCat(newdoc.address, (strncmp(BookmarkPage, "./", 2) ? BookmarkPage : (BookmarkPage + 2))); StrAllocCopy(newdoc.title, BOOKMARK_TITLE); StrAllocCopy(newdoc.bookmark, BookmarkPage); #ifdef USE_COLOR_STYLE if (curdoc.style) StrAllocCopy(newdoc.style, curdoc.style); #endif StrAllocCopy(startrealm, newdoc.address); LYFreePostData(&newdoc); newdoc.isHEAD = FALSE; newdoc.safe = FALSE; FREE(temp); if (!strcmp(homepage, startfile)) StrAllocCopy(homepage, newdoc.address); StrAllocCopy(startfile, newdoc.address); CTRACE((tfp, "Reloading as bookmarks=%s\n", newdoc.address)); goto try_again; } } } cp = NULL; } FREE(temp); if (traversal) { /* * During traversal build up lists of all links * traversed. Traversal mode is a special * feature for traversing http links in the web. */ if (traversal_link_to_add) { /* * Add the address we sought to TRAVERSE_FILE. */ if (!lookup(traversal_link_to_add)) add_to_table(traversal_link_to_add); FREE(traversal_link_to_add); } if (curdoc.address && curdoc.title && !isLYNXIMGMAP(curdoc.address)) /* * Add the address we got to TRAVERSE_FOUND_FILE. */ add_to_traverse_list(curdoc.address, curdoc.title); } /* * If this was a LYNXDOWNLOAD, we still have curdoc, * not a newdoc, so reset the address, title and * positioning elements. - FM */ if (newdoc.address && curdoc.address && isLYNXDOWNLOAD(newdoc.address)) { copy_address(&newdoc, &curdoc); StrAllocCopy(newdoc.title, (curdoc.title ? curdoc.title : "")); StrAllocCopy(newdoc.bookmark, curdoc.bookmark); newdoc.line = curdoc.line; newdoc.link = curdoc.link; newdoc.internal_link = FALSE; /* can't be true. - kw */ } /* * Set Newline to the saved line. It contains the * line the user was on if s/he has been in the file * before, or it is 1 if this is a new file. * * We already set Newline before getfile() and probably * update it explicitly if popping from the history stack * via LYpop() or LYpop_num() within getfile() cycle. * * In partial mode, Newline was probably updated in * LYMainLoop_pageDisplay() if user scrolled * the document while loading. * Incremental loading stage already closed in HT*Copy(). */ #ifdef DISP_PARTIAL /* Newline = newdoc.line; */ display_partial = FALSE; /* for sure, LYNXfoo:/ may be a problem */ #else /* Should not be needed either if we remove * "DISP_PARTIAL" from LYHistory.c, but lets leave it * as an important comment for now. */ Newline = newdoc.line; #endif /* * If we are going to a target line or * the first page of a popped document, * override any www_search line result. */ if (Newline > 1 || popped_doc == TRUE) www_search_result = -1; /* * Make sure curdoc.line will not be equal * to Newline, so we get a redraw. */ curdoc.line = -1; break; } /* end switch */ if (TRACE) { if (!LYTraceLogFP || trace_mode_flag) { LYSleepAlert(); /* allow me to look at the results */ } } /* * Set the files the same. */ copy_address(&curdoc, &newdoc); BStrCopy(curdoc.post_data, newdoc.post_data); StrAllocCopy(curdoc.post_content_type, newdoc.post_content_type); StrAllocCopy(curdoc.bookmark, newdoc.bookmark); #ifdef USE_COLOR_STYLE StrAllocCopy(curdoc.style, HText_getStyle()); if (curdoc.style != NULL) style_readFromFile (curdoc.style); #endif curdoc.isHEAD = newdoc.isHEAD; curdoc.internal_link = newdoc.internal_link; /* * Set the remaining document elements and add to * the visited links list. - FM */ if (ownerS_address != NULL) { #ifndef USE_PRETTYSRC if (HTOutputFormat == WWW_SOURCE && !HText_getOwner()) #else if ( (LYpsrc ? psrc_view : HTOutputFormat == WWW_SOURCE) && !HText_getOwner() ) #endif HText_setMainTextOwner(ownerS_address); FREE(ownerS_address); } if (HText_getTitle()) { StrAllocCopy(curdoc.title, HText_getTitle()); } else if (!dump_output_immediately) { StrAllocCopy(curdoc.title, newdoc.title); } StrAllocCopy(owner_address, HText_getOwner()); curdoc.safe = HTLoadedDocumentIsSafe(); if (!dump_output_immediately) { LYAddVisitedLink(&curdoc); } /* * Reset WWW present mode so that if we were getting * the source, we get rendered HTML from now on. */ HTOutputFormat = WWW_PRESENT; #ifdef USE_PRETTYSRC psrc_view = FALSE; #endif HTMLSetCharacterHandling(current_char_set); /* restore, for sure? */ /* * Reset all of the other relevant flags. - FM */ LYUserSpecifiedURL = FALSE; /* only set for goto's and jumps's */ LYJumpFileURL = FALSE; /* only set for jump's */ LYNoRefererForThis = FALSE; /* always reset on return here */ reloading = FALSE; /* set for RELOAD and NOCACHE keys */ HEAD_request = FALSE; /* only set for HEAD requests */ LYPermitURL = FALSE; /* only for LYValidate or check_realm */ ForcePush = FALSE; /* only set for some PRINT requests. */ LYforce_HTML_mode = FALSE; force_old_UCLYhndl_on_reload = FALSE; popped_doc = FALSE; pending_form_c = -1; } /* end if (LYforce_no_cache || force_load || are_different(...)) */ if (dump_output_immediately) { if (crawl) { print_crawl_to_fd(stdout, curdoc.address, curdoc.title); } else { print_wwwfile_to_fd(stdout, FALSE); } return(EXIT_SUCCESS); } /* * If the recent_sizechange variable is set to TRUE * then the window size changed recently. */ if (recent_sizechange) { /* * First we need to make sure the display library - curses, slang, * whatever - gets notified about the change, and gets a chance * to update external structures appropriately. Hopefully the * stop_curses()/start_curses() sequence achieves this, at least * if the display library has a way to get the new screen size * from the OS. * However, at least for ncurses, the update of the internal * structures will come still too late - the changed screen * size is detected in doupdate(), which would only be called * (indirectly through the HText_pageDisplay below) after the * WINDOW structures are already filled based on the old size. * So we notify the ncurses library directly here. - kw */ #if defined(NCURSES) && defined(HAVE_RESIZETERM) && defined(HAVE_WRESIZE) resizeterm(LYlines, LYcols); wresize(LYwin, LYlines, LYcols); #else #if 0 /* defined(PDCURSES) && defined(HAVE_XCURSES) */ resize_term(LYlines, LYcols); if (LYwin != 0) LYwin = resize_window(LYwin, LYlines, LYcols); refresh(); #else stop_curses(); start_curses(); LYclear(); #endif #endif refresh_screen = TRUE; /* to force a redraw */ if (HTMainText) /* to REALLY force it... - kw */ HText_setStale(HTMainText); recent_sizechange = FALSE; if (user_mode == NOVICE_MODE) { display_lines = LYlines-4; } else { display_lines = LYlines-2; } } if (www_search_result != -1) { /* * This was a WWW search, set the line * to the result of the search. */ Newline = www_search_result; www_search_result = -1; /* reset */ } if (first_file == TRUE) { /* * We can never again have the first file. */ first_file = FALSE; /* * Set the startrealm, and deal as best we can * with preserving forced HTML mode for a local * startfile. - FM */ temp = HTParse(curdoc.address, "", PARSE_ACCESS+PARSE_HOST+PARSE_PUNCTUATION); if (!temp || *temp == '\0') { StrAllocCopy(startrealm, NO_NOTHING); } else { StrAllocCopy(startrealm, temp); FREE(temp); if (!(temp = HTParse(curdoc.address, "", PARSE_PATH+PARSE_PUNCTUATION))) { LYAddHtmlSep(&startrealm); } else { if (forced_HTML_mode && !dump_output_immediately && !curdoc.bookmark && isFILE_URL(curdoc.address) && strlen(temp) > 1) { /* * We forced HTML for a local startfile which * is not a bookmark file and has a path of at * least two letters. If it doesn't have a * suffix mapped to text/html, we'll set the * entire path (including the lead slash) as a * "suffix" mapped to text/html to ensure it is * always treated as an HTML source file. We * are counting on a tail match to this full path * for some other URL fetched during the session * having too low a probability to worry about, * but it could happen. - FM */ HTAtom *encoding; if (HTFileFormat(temp, &encoding, NULL) != WWW_HTML) { HTSetSuffix(temp, "text/html", "8bit", 1.0); } } if ((cp = strrchr(temp, '/')) != NULL) { *(cp+1) = '\0'; StrAllocCat(startrealm, temp); } } } FREE(temp); CTRACE((tfp, "Starting realm is '%s'\n\n", startrealm)); if (traversal) { /* * Set up the crawl output stuff. */ if (curdoc.address && !lookup(curdoc.address)) { if (!isLYNXIMGMAP(curdoc.address)) crawl_ok = TRUE; add_to_table(curdoc.address); } /* * Set up the traversal_host comparison string. */ if (strncmp((curdoc.address ? curdoc.address : "NULL"), "http", 4)) { StrAllocCopy(traversal_host, NO_NOTHING); } else if (check_realm) { StrAllocCopy(traversal_host, startrealm); } else { temp = HTParse(curdoc.address, "", PARSE_ACCESS+PARSE_HOST+PARSE_PUNCTUATION); if (!temp || *temp == '\0') { StrAllocCopy(traversal_host, NO_NOTHING); } else { StrAllocCopy(traversal_host, temp); LYAddHtmlSep(&traversal_host); } FREE(temp); } CTRACE((tfp, "Traversal host is '%s'\n\n", traversal_host)); } if (startfile) { /* * If homepage was not equated to startfile, * make the homepage URL the first goto * entry. - FM */ if (homepage && strcmp(startfile, homepage)) HTAddGotoURL(homepage); /* * If we are not starting up with startfile * (e.g., had -book), or if we are using the * startfile and it has no POST content, make * the startfile URL a goto entry. - FM */ if (strcmp(startfile, newdoc.address) || newdoc.post_data == NULL) HTAddGotoURL(startfile); } if (TRACE) { refresh_screen = TRUE; if (!LYTraceLogFP || trace_mode_flag) { LYSleepAlert(); } } } #ifdef USE_SOURCE_CACHE /* * If the parse settings have changed since this HText was * generated, we need to reparse and redraw it. -dsb * * Should be configured to avoid shock for experienced lynx users. * Currently enabled for cached sources only. */ if (HTdocument_settings_changed()) { if (HTcan_reparse_document()) { HTInfoMsg(gettext("Reparsing document under current settings...")); reparse_document(); } else { /* * Urk. I have no idea how to recover from a failure here. * At a guess, I'll try reloading. -dsb */ /* currently disabled *** HTUserMsg(gettext("Reparsing document under current settings...")); cmd = LYK_RELOAD; goto new_cmd; */ } } if (from_source_cache) { from_source_cache = FALSE; /* reset */ curdoc.line = -1 ; /* so curdoc.line != Newline, see below */ } #endif /* * If the curdoc.line is different than Newline then there must * have been a change since last update. Run HText_pageDisplay() * create a fresh screen of text out. * * If we got new HTMainText go this way. * All display_partial calls ends here for final redraw. */ if (curdoc.line != Newline) { #ifdef INACTIVE_INPUT_STYLE_VH textinput_redrawn = FALSE; #endif refresh_screen = FALSE; HText_pageDisplay(Newline, prev_target); #ifdef DIRED_SUPPORT if (lynx_edit_mode && nlinks > 0 && !HTList_isEmpty(tagged)) showtags(tagged); #endif /* DIRED_SUPPORT */ /* * If more equals TRUE, then there is more info below this page. */ more = HText_canScrollDown(); curdoc.line = Newline = HText_getTopOfScreen()+1; if (curdoc.title == NULL) { /* * If we don't yet have a title, try to get it, * or set to that for newdoc.title. - FM */ if (HText_getTitle()) { StrAllocCopy(curdoc.title, HText_getTitle()); } else { StrAllocCopy(curdoc.title, newdoc.title); } } /* * If the request is to highlight a link which is counted * from the start of document, correct the link number: */ if (newdoc_link_is_absolute) { newdoc_link_is_absolute = FALSE; if (curdoc.line > 1) newdoc.link -= HText_LinksInLines(HTMainText, 1, curdoc.line - 1); } if (arrowup) { /* * arrowup is set if we just came up from * a page below. */ curdoc.link = nlinks - 1; arrowup = FALSE; } else { curdoc.link = newdoc.link; if (curdoc.link >= nlinks) { curdoc.link = nlinks - 1; } else if (curdoc.link < 0 && nlinks > 0) { /* * We may have popped a doc (possibly in local_dired) * which didn't have any links when it was pushed, but * does have links now (e.g., a file was created). * Code below assumes that curdoc.link is valid and * that (curdoc.link==-1) only occurs if (nlinks==0) * is true. - KW */ curdoc.link = 0; } } show_help = FALSE; /* reset */ newdoc.line = 1; newdoc.link = 0; curdoc.line = Newline; /* set */ } /* * Refresh the screen if necessary. */ if (refresh_screen) { #if defined(FANCY_CURSES) || defined (USE_SLANG) if (enable_scrollback) { LYclear(); } else { LYerase(); } #else LYclear(); #endif /* FANCY_CURSES || USE_SLANG */ HText_pageDisplay(Newline, prev_target); #ifdef DIRED_SUPPORT if (lynx_edit_mode && nlinks > 0 && !HTList_isEmpty(tagged)) showtags(tagged); #endif /* DIRED_SUPPORT */ /* * If more equals TRUE, then there is more info below this page. */ more = HText_canScrollDown(); /* * Adjust curdoc.link as above; nlinks may have changed, * if the refresh_screen flag was set as a result of * a size change. * Code below assumes that curdoc.link is valid and * that (curdoc.link==-1) only occurs if (nlinks==0) * is true. - kw */ if (curdoc.link >= nlinks) { curdoc.link = nlinks - 1; } else if (curdoc.link < 0 && nlinks > 0) { curdoc.link = 0; } if (user_mode == NOVICE_MODE) noviceline(more); /* print help message */ refresh_screen = FALSE; } curlink_is_editable = (nlinks > 0 && links[curdoc.link].type == WWW_FORM_LINK_TYPE && F_TEXTLIKE(links[curdoc.link].l_form->type)); use_last_tfpos = (curlink_is_editable && (real_cmd == LYK_LPOS_PREV_LINK || real_cmd == LYK_LPOS_NEXT_LINK)); #ifdef TEXTFIELDS_MAY_NEED_ACTIVATION if (!textfields_need_activation) textinput_activated = TRUE; #endif #if defined(WIN_EX) /* 1997/10/08 (Wed) 14:52:06 */ if (nlinks > 0) { char *p = "LYNX (unknown link type)"; /* Show the URL & kanji code . */ if (strlen(links[curdoc.link].lname) == 0) { if (links[curdoc.link].type == WWW_FORM_LINK_TYPE) { switch(links[curdoc.link].l_form->type) { case F_TEXT_SUBMIT_TYPE: case F_SUBMIT_TYPE: case F_IMAGE_SUBMIT_TYPE: p = "[SUBMIT]"; break; case F_PASSWORD_TYPE: p = "Password"; break; case F_OPTION_LIST_TYPE: p = "Option list"; break; case F_CHECKBOX_TYPE: p = "Check box"; break; case F_RADIO_TYPE: p = "[Radio]"; break; case F_RESET_TYPE: p = "[Reset]"; break; case F_TEXT_TYPE: p = "Text input"; break; case F_TEXTAREA_TYPE: p = "Text input lines"; break; default: break; } set_ws_title(p); } } else { if (user_mode == ADVANCED_MODE) { p = curdoc.title; } else { p = links[curdoc.link].lname; } if (strlen(p) < 500) { strcpy(temp_buff, p); if (strchr(temp_buff, '%')) { HTUnEscape(temp_buff); } str_sjis(sjis_buff, temp_buff); set_ws_title(LYElideString(sjis_buff, 10)); } } } else { if (strlen(curdoc.address) < sizeof(temp_buff)-1) { if (user_mode == ADVANCED_MODE) { str_sjis(temp_buff, curdoc.title); } else { strcpy(temp_buff, curdoc.address); } set_ws_title(HTUnEscape(temp_buff)); } } #endif /* WIN_EX */ /* * Report unread or new mail, if appropriate. */ if (check_mail && !no_mail) LYCheckMail(); /* * If help is not on the screen, * then put a message on the screen * to tell the user other misc info. */ if (!show_help) { show_main_statusline(links[curdoc.link], (curlink_is_editable && textinput_activated) ? FOR_INPUT : FOR_PANEL); } else { show_help = FALSE; } if (nlinks > 0) { /* * Highlight current link, unless it is an active * text input field. */ if (!curlink_is_editable) { LYhighlight(ON, curdoc.link, prev_target); #ifndef INACTIVE_INPUT_STYLE_VH } else if (!textinput_activated) { LYhighlight(ON, curdoc.link, prev_target); #endif } } if (traversal) { /* * Don't go interactively into forms, * or accept keystrokes from the user */ if (crawl && crawl_ok) { crawl_ok = FALSE; #ifdef FNAMES_8_3 sprintf(cfile,"lnk%05d.dat",ccount); #else sprintf(cfile,"lnk%08d.dat",ccount); #endif /* FNAMES_8_3 */ ccount = ccount + 1; if ((cfp = LYNewTxtFile(cfile)) != NULL) { print_crawl_to_fd(cfp,curdoc.address,curdoc.title); LYCloseOutput(cfp); } else { if (!dump_output_immediately) cleanup(); #ifdef UNIX if (dump_output_immediately) fprintf(stderr, gettext("Fatal error - could not open output file %s\n"),cfile); else #endif printf( gettext("Fatal error - could not open output file %s\n"),cfile); if (!dump_output_immediately) { exit_immediately(EXIT_FAILURE); } return(EXIT_FAILURE); } } } else { /* * Normal, non-traversal handling. */ if (curlink_is_editable && (textinput_activated || pending_form_c != -1)) { if (pending_form_c != -1) { real_c = pending_form_c; pending_form_c = -1; } else { /* * Replace novice lines if in NOVICE_MODE. */ if (user_mode==NOVICE_MODE) { form_noviceline(links[curdoc.link].l_form->disabled); } real_c = change_form_link(curdoc.link, &newdoc, &refresh_screen, use_last_tfpos, FALSE); } #ifdef TEXTFIELDS_MAY_NEED_ACTIVATION if (textfields_need_activation) textinput_activated = FALSE; #ifdef INACTIVE_INPUT_STYLE_VH textinput_redrawn = FALSE; #endif #endif c = (real_c==LKC_DONE) ? DO_NOTHING : LKC_TO_C(real_c); if (c != DO_NOTHING && peek_mouse_link() != -1 && peek_mouse_link() != -2) old_c = 0; if (peek_mouse_link() >= 0 && LKC_TO_LAC(keymap,real_c) != LYK_CHANGE_LINK) { do_change_link(); if ((c == '\n' || c == '\r') && links[curdoc.link].type == WWW_FORM_LINK_TYPE && F_TEXTLIKE(links[curdoc.link].l_form->type) && !textfields_need_activation) { c = DO_NOTHING; } #ifdef TEXTFIELDS_MAY_NEED_ACTIVATION } else if ((links[curdoc.link].type == WWW_FORM_LINK_TYPE && links[curdoc.link].l_form->type == F_TEXTAREA_TYPE) && textfields_need_activation && !links[curdoc.link].l_form->disabled && peek_mouse_link() < 0 && (((LKC_TO_LAC(keymap,real_c) == LYK_NEXT_LINK || #ifdef TEXTAREA_AUTOGROW LKC_TO_LAC(keymap,real_c) == LYK_ACTIVATE || #endif LKC_TO_LAC(keymap,real_c) == LYK_LPOS_NEXT_LINK || LKC_TO_LAC(keymap,real_c) == LYK_DOWN_LINK) && ((curdoc.link < nlinks-1 && links[curdoc.link+1].type == WWW_FORM_LINK_TYPE && links[curdoc.link+1].l_form->type == F_TEXTAREA_TYPE && (links[curdoc.link].l_form->number == links[curdoc.link+1].l_form->number) && strcmp(links[curdoc.link].l_form->name, links[curdoc.link+1].l_form->name) == 0) || (curdoc.link == nlinks-1 && more && HText_TAHasMoreLines(curdoc.link, 1)))) || ((LKC_TO_LAC(keymap,real_c) == LYK_PREV_LINK || LKC_TO_LAC(keymap,real_c) == LYK_LPOS_PREV_LINK || LKC_TO_LAC(keymap,real_c) == LYK_UP_LINK) && ((curdoc.link > 0 && links[curdoc.link-1].type == WWW_FORM_LINK_TYPE && links[curdoc.link-1].l_form->type == F_TEXTAREA_TYPE && (links[curdoc.link].l_form->number == links[curdoc.link-1].l_form->number) && strcmp(links[curdoc.link].l_form->name, links[curdoc.link-1].l_form->name) == 0) || (curdoc.link == 0 && curdoc.line > 1 && HText_TAHasMoreLines(curdoc.link, -1)))))) { textinput_activated = TRUE; #ifdef TEXTAREA_AUTOGROW if ((c == '\n' || c == '\r') && LKC_TO_LAC(keymap,real_c) == LYK_ACTIVATE) c = LAC_TO_LKC0(LYK_NEXT_LINK); #endif /* TEXTAREA_AUTOGROW */ #endif /* TEXTFIELDS_MAY_NEED_ACTIVATION */ } else switch (c) { case '\n': case '\r': #ifdef TEXTAREA_AUTOGROW /* * If on the bottom line of a TEXTAREA, and the user hit * the ENTER key, we add a new line/anchor automatically, * positioning the cursor on it. * * If at the bottom of the screen, we effectively perform * an LYK_DOWN_HALF-like operation, then move down to the * new line we just added. --KED 02/14/99 * * [There is some redundancy and non-standard indentation * in the monster-if() below. This is intentional ... to * try and improve the "readability" (such as it is). * Caveat emptor to anyone trying to change it.] */ if ((links[curdoc.link].type == WWW_FORM_LINK_TYPE && links[curdoc.link].l_form->type == F_TEXTAREA_TYPE) && ((curdoc.link == nlinks-1 && !(more && HText_TAHasMoreLines(curdoc.link, 1))) || ((curdoc.link < nlinks-1) && !(links[curdoc.link+1].type == WWW_FORM_LINK_TYPE && links[curdoc.link+1].l_form->type == F_TEXTAREA_TYPE)) || ((curdoc.link < nlinks-1) && ((links[curdoc.link+1].type == WWW_FORM_LINK_TYPE && links[curdoc.link+1].l_form->type == F_TEXTAREA_TYPE) && ((links[curdoc.link].l_form->number != links[curdoc.link+1].l_form->number) || (strcmp (links[curdoc.link].l_form->name, links[curdoc.link+1].l_form->name) != 0)))))) { HText_ExpandTextarea (&links[curdoc.link], 1); if (links[curdoc.link].ly < display_lines) { refresh_screen = TRUE; } else { Newline += (display_lines/2); if (nlinks > 0 && curdoc.link > -1 && links[curdoc.link].ly > display_lines/2) { newdoc.link = curdoc.link; for (i = 0; links[i].ly <= (display_lines/2); i++) --newdoc.link; newdoc.link++; } } #ifdef TEXTFIELDS_MAY_NEED_ACTIVATION if (textfields_need_activation) { textinput_activated = TRUE; textfields_need_activation = textfields_activation_option; #ifdef INACTIVE_INPUT_STYLE_VH textinput_redrawn = TRUE; #endif }; #endif } #endif /* TEXTAREA_AUTOGROW */ /* * Make return in input field (if it was returned * by change_form_link) act as LYK_NEXT_LINK, * independent of what key (if any) is mapped to * LYK_NEXT_LINK. - kw */ c = LAC_TO_LKC0(LYK_NEXT_LINK); break; default: if (old_c != c && old_c != real_c && c != real_c) real_c = c; } } else { #if defined(TEXTFIELDS_MAY_NEED_ACTIVATION) && defined(INACTIVE_INPUT_STYLE_VH) if (curlink_is_editable && !textinput_redrawn) { /*draw the text entry, but don't activate it*/ textinput_redrawn = TRUE; change_form_link_ex(curdoc.link, &newdoc, &refresh_screen, use_last_tfpos, FALSE, TRUE); if (LYShowCursor) { LYmove(links[curdoc.link].ly, ((links[curdoc.link].lx > 0) ? (links[curdoc.link].lx - 1) : 0)); } else { LYHideCursor(); } } #endif /* TEXTFIELDS_MAY_NEED_ACTIVATION && INACTIVE_INPUT_STYLE_VH */ /* * Get a keystroke from the user. * Save the last keystroke to avoid * redundant error reporting. */ real_c = c = LYgetch(); /* get user input */ if (c != last_key) key_count = 0; key_count++; last_key = c; #ifndef VMS if (c == 3) { /* ^C */ /* * This shouldn't happen. We'll try to * deal with whatever bug caused it. - FM */ signal(SIGINT, cleanup_sig); old_c = 0; cmd = LYK_QUIT; goto new_cmd; } #endif /* !VMS */ if (LKC_HAS_ESC_MOD(c) && EditBinding(c) != LYE_FORM_PASS) { /* * If ESC + was read (and not recognized as a * terminal escape sequence for another key), ignore * the ESC modifier and act on only if the line * editor binding would have passed the same ESC-modified * lynxkeycode back to us if it had been pressed in a * text input field. Otherwise set interesting part * so that it will map to 0, to prevent that ESC + * acts like , which might be unexpected. - kw */ c = (c & ~LKC_MASK) | LAC_TO_LKC(0); } if (old_c != real_c) { old_c = 0; } } } #ifdef VMS if (HadVMSInterrupt) { HadVMSInterrupt = FALSE; c = DO_NOTHING; } #else if (recent_sizechange) { if (c <= 0) c = DO_NOTHING; } #endif /* VMS */ new_keyboard_input: /* * A goto point for new input without going * back through the getch() loop. */ if (traversal) { if ((c = DoTraversal(c, &crawl_ok)) < 0) return (EXIT_FAILURE); } /* traversal */ #ifdef WIN_EX if (c == DO_NOTHING) cmd = LYK_DO_NOTHING; else #endif cmd = LKC_TO_LAC(keymap,c); /* adds 1 to map EOF to 0 */ #if defined(DIRED_SUPPORT) && defined(OK_OVERRIDE) if (lynx_edit_mode && !no_dired_support && LKC_TO_LAC(key_override,c)) cmd = LKC_TO_LAC(key_override,c); #endif /* DIRED_SUPPORT && OK_OVERRIDE */ real_cmd = cmd; new_cmd: /* * A goto point for new input without going * back through the getch() loop. */ force_old_UCLYhndl_on_reload = FALSE; CTRACE_FLUSH(tfp); if (cmd != LYK_UP_LINK && cmd != LYK_DOWN_LINK) follow_col = -1; switch(cmd) { case -1: HTUserMsg(COMMAND_UNKNOWN); break; case 0: /* unmapped character */ default: if (curdoc.link >= 0 && curdoc.link < nlinks && links[curdoc.link].type == WWW_FORM_LINK_TYPE && F_TEXTLIKE(links[curdoc.link].l_form->type)) { #ifdef TEXTFIELDS_MAY_NEED_ACTIVATION if (textfields_need_activation) { show_main_statusline(links[curdoc.link], FOR_PANEL); #ifdef INACTIVE_INPUT_STYLE_VH textinput_redrawn = FALSE; #endif } else #endif show_main_statusline(links[curdoc.link], FOR_INPUT); } else if (more) { HTInfoMsg(MOREHELP); } else { HTInfoMsg(HELP); } show_help = TRUE; if (TRACE) { sprintf(cfile, "%d", c); LYaddstr(cfile); /* show the user input */ cfile[0] = '\0'; } break; case LYK_COMMAND: cmd = handle_LYK_COMMAND(user_input_buffer); goto new_cmd; case LYK_INTERRUPT: /* * No network transmission to interrupt - 'til we multithread. */ break; case LYK_F_LINK_NUM: c = '\0'; /* FALLTHRU */ case LYK_1: /* FALLTHRU */ case LYK_2: /* FALLTHRU */ case LYK_3: /* FALLTHRU */ case LYK_4: /* FALLTHRU */ case LYK_5: /* FALLTHRU */ case LYK_6: /* FALLTHRU */ case LYK_7: /* FALLTHRU */ case LYK_8: /* FALLTHRU */ case LYK_9: handle_LYK_digit(c, &force_load, user_input_buffer, &old_c, real_c, &try_internal); break; case LYK_SOURCE: /* toggle view source mode */ handle_LYK_SOURCE(&ownerS_address); break; case LYK_CHG_CENTER: /* ^Q */ if (no_table_center) { no_table_center = FALSE; HTInfoMsg(gettext("TABLE center enable.")); } else { no_table_center = TRUE; HTInfoMsg(gettext("TABLE center disable.")); } /* FALLTHRU */ case LYK_RELOAD: /* control-R to reload and refresh */ handle_LYK_RELOAD(real_cmd); break; case LYK_HISTORICAL: /* toggle 'historical' comments parsing */ handle_LYK_HISTORICAL(); break; case LYK_MINIMAL: /* toggle 'minimal' comments parsing */ handle_LYK_MINIMAL(); break; case LYK_SOFT_DQUOTES: handle_LYK_SOFT_DQUOTES(); break; case LYK_SWITCH_DTD: handle_LYK_SWITCH_DTD(); break; case LYK_QUIT: /* quit */ if (handle_LYK_QUIT()) return(EXIT_SUCCESS); break; case LYK_ABORT: /* don't ask the user about quitting */ return(EXIT_SUCCESS); case LYK_NEXT_PAGE: /* next page */ handle_LYK_NEXT_PAGE(&old_c, real_c); break; case LYK_PREV_PAGE: /* page up */ handle_LYK_PREV_PAGE(&old_c, real_c); break; case LYK_UP_TWO: handle_LYK_UP_TWO(&arrowup, &old_c, real_c); break; case LYK_DOWN_TWO: handle_LYK_DOWN_TWO(&old_c, real_c); break; case LYK_UP_HALF: handle_LYK_UP_HALF(&arrowup, &old_c, real_c); break; case LYK_DOWN_HALF: handle_LYK_DOWN_HALF(&old_c, real_c); break; #ifdef CAN_CUT_AND_PASTE case LYK_TO_CLIPBOARD: /* ^S */ { char *s; int ch2; /* The logic resembles one of ADD_BOOKMARK */ if (nlinks > 0 && links[curdoc.link].lname && links[curdoc.link].type != WWW_FORM_LINK_TYPE) { /* Makes sense to copy a link */ _statusline("Copy D)ocument's or L)ink's URL to clipboard or C)ancel?"); ch2 = LYgetch_single(); if (ch2 == 'D') s = curdoc.address; else if (ch2 == 'C') break; else s = links[curdoc.link].lname; } else s = curdoc.address; if (isEmpty(s)) HTInfoMsg(gettext("Current URL is empty.")); if (put_clip(s)) HTInfoMsg(gettext("Copy to clipboard failed.")); else if (s == curdoc.address) HTInfoMsg(gettext("Document URL put to clipboard.")); else HTInfoMsg(gettext("Link URL put to clipboard.")); } break; case LYK_PASTE_URL: if (no_goto && !LYValidate) { /* Go to not allowed. - FM */ HTUserMsg(GOTO_DISALLOWED); } else { unsigned char *s = get_clip_grab(), *e, *t; char *buf; int len2; if (!s) break; len2 = strlen(s); e = s + len2; while (s < e && strchr(" \t\n\r", *s)) s++; while (s < e && strchr(" \t\n\r", e[-1])) e--; if (s[0] == '<' && e > s && e[-1] == '>') { s++; e--; if (!strncasecomp(s,"URL:", 4)) s += 4; } if (s >= e) { HTInfoMsg(gettext("No URL in the clipboard.")); break; } len = e - s + 1; if (len < MAX_LINE) len = MAX_LINE; /* Required for do_check_goto_URL() */ buf = (char*)malloc(len); strncpy(buf, s, e - s); buf[e - s] = '\0'; t = buf; while (s < e) { if (strchr(" \t\n\r", *s)) { int nl2 = 0; /* Keep whitespace without NL - file names! */ unsigned char *s1 = s; while (strchr(" \t\n\r", *s)) { if (!nl2 && *s == '\n') nl2 = 1; s++; } if (!nl2) { while (s1 < s) { if (*s1 != '\r' && *s1 != '\r') *t = *s1; t++, s1++; } } } else *t++ = *s++; } *t = '\0'; get_clip_release(); do_check_goto_URL(buf, &temp, &force_load); free(buf); } break; #endif #ifdef KANJI_CODE_OVERRIDE case LYK_CHG_KCODE: /* ^L */ if (LYRawMode && (HTCJK == JAPANESE)) { switch(last_kcode) { case NOKANJI: last_kcode = SJIS; break; case SJIS: last_kcode = EUC; break; case EUC: last_kcode = NOKANJI; break; default: break; } } LYmove(0, 0); lynx_start_title_color (); LYaddstr(str_kcode(last_kcode)); lynx_stop_title_color (); break; #endif case LYK_REFRESH: refresh_screen = TRUE; lynx_force_repaint(); break; case LYK_HOME: if (curdoc.line > 1) Newline = 1; else { cmd = LYK_PREV_PAGE; goto new_cmd; } break; case LYK_END: i = HText_getNumOfLines() - display_lines + 2; if (i >= 1 && Newline != i) { Newline = i; /* go to end of file */ arrowup = TRUE; /* position on last link */ } else { cmd = LYK_NEXT_PAGE; goto new_cmd; } break; case LYK_FIRST_LINK: handle_LYK_FIRST_LINK(); break; case LYK_LAST_LINK: handle_LYK_LAST_LINK(); break; case LYK_PREV_LINK: case LYK_LPOS_PREV_LINK: handle_LYK_PREV_LINK(&arrowup, &old_c, real_c); break; case LYK_NEXT_LINK: case LYK_LPOS_NEXT_LINK: handle_LYK_NEXT_LINK(c, &old_c, real_c); break; case LYK_FASTFORW_LINK: handle_LYK_FASTFORW_LINK(&old_c, real_c); break; case LYK_FASTBACKW_LINK: if (handle_LYK_FASTBACKW_LINK(&cmd, &old_c, real_c)) goto new_cmd; break; case LYK_UP_LINK: handle_LYK_UP_LINK(&follow_col, &arrowup, &old_c, real_c); break; case LYK_DOWN_LINK: handle_LYK_DOWN_LINK(&follow_col, &old_c, real_c); break; case LYK_CHANGE_LINK: do_change_link(); #if defined(TEXTFIELDS_MAY_NEED_ACTIVATION) && defined(INACTIVE_INPUT_STYLE_VH) if (textfields_need_activation) textinput_redrawn = FALSE; #endif /* TEXTFIELDS_MAY_NEED_ACTIVATION && INACTIVE_INPUT_STYLE_VH */ break; case LYK_RIGHT_LINK: handle_LYK_RIGHT_LINK(); break; case LYK_LEFT_LINK: handle_LYK_LEFT_LINK(); break; case LYK_COOKIE_JAR: /* show the cookie jar */ if (handle_LYK_COOKIE_JAR(&cmd)) goto new_cmd; break; case LYK_HISTORY: /* show the history page */ if (handle_LYK_HISTORY(ForcePush)) break; /* FALLTHRU */ case LYK_PREV_DOC: /* back up a level */ switch (handle_PREV_DOC(&cmd, &old_c, real_c)) { case 1: return(EXIT_SUCCESS); case 2: goto new_cmd; } break; case LYK_NEXT_DOC: /* undo back up a level */ handle_NEXT_DOC(); break; case LYK_NOCACHE: /* Force submission of form or link with no-cache */ if (!handle_LYK_NOCACHE(&old_c, real_c)) break; /* FALLTHRU */ case LYK_ACTIVATE: /* follow a link */ case LYK_SUBMIT: /* follow a link, submit TEXT_SUBMIT input */ switch (handle_LYK_ACTIVATE(&c, cmd, &try_internal, &refresh_screen, &force_load, real_cmd)) { case 1: continue; case 2: goto new_keyboard_input; case 3: pending_form_c = c; } break; case LYK_ELGOTO: /* edit URL of current link and go to it */ if (handle_LYK_ELGOTO(&ch, user_input_buffer, &temp, &old_c, real_c)) do_check_goto_URL(user_input_buffer, &temp, &force_load); break; case LYK_ECGOTO: /* edit current URL and go to to it */ if (handle_LYK_ECGOTO(&ch, user_input_buffer, &temp, &old_c, real_c)) do_check_goto_URL(user_input_buffer, &temp, &force_load); break; case LYK_GOTO: /* 'g' to goto a random URL */ if (handle_LYK_GOTO(&ch, user_input_buffer, &temp, &recall, &URLTotal, &URLNum, &FirstURLRecall, &old_c, real_c)) { if (do_check_recall (ch, user_input_buffer, &temp, URLTotal, &URLNum, recall, &FirstURLRecall)) do_check_goto_URL(user_input_buffer, &temp, &force_load); } break; case LYK_DWIMHELP: /* show context-dependent help file */ handle_LYK_DWIMHELP(&cshelpfile); /* FALLTHRU */ case LYK_HELP: /* show help file */ handle_LYK_HELP(&cshelpfile); break; case LYK_INDEX: /* index file */ handle_LYK_INDEX(&old_c, real_c); break; case LYK_MAIN_MENU: /* return to main screen */ handle_LYK_MAIN_MENU(&old_c, real_c); break; #ifdef EXP_NESTED_TABLES case LYK_NESTED_TABLES: if (handle_LYK_NESTED_TABLES(&cmd)) goto new_cmd; break; #endif case LYK_OPTIONS: /* options screen */ if (handle_LYK_OPTIONS(&cmd, &refresh_screen)) goto new_cmd; break; case LYK_INDEX_SEARCH: /* search for a user string */ handle_LYK_INDEX_SEARCH(&force_load, ForcePush, &old_c, real_c); break; case LYK_WHEREIS: /* search within the document */ case LYK_NEXT: /* find the next occurrence in the document */ case LYK_PREV: /* find the previous occurrence in the document */ handle_LYK_WHEREIS(cmd, &refresh_screen); break; case LYK_COMMENT: /* reply by mail */ handle_LYK_COMMENT(&refresh_screen, &owner_address, &old_c, real_c); break; #ifdef DIRED_SUPPORT case LYK_TAG_LINK: /* tag or untag the current link */ handle_LYK_TAG_LINK(); break; case LYK_MODIFY: /* rename a file or directory */ handle_LYK_MODIFY(&refresh_screen); break; case LYK_CREATE: /* create a new file or directory */ handle_LYK_CREATE(); break; #endif /* DIRED_SUPPORT */ case LYK_DWIMEDIT: /* context-dependent edit */ switch (handle_LYK_DWIMEDIT(&cmd, &old_c, real_c)) { case 1: continue; case 2: goto new_cmd; } /* FALLTHRU */ case LYK_EDIT: /* edit */ handle_LYK_EDIT(&old_c, real_c); break; case LYK_DEL_BOOKMARK: /* remove a bookmark file link */ handle_LYK_DEL_BOOKMARK(&refresh_screen, &old_c, real_c); break; #ifdef DIRED_SUPPORT case LYK_REMOVE: /* remove files and directories */ handle_LYK_REMOVE(&refresh_screen); break; #endif /* DIRED_SUPPORT */ #if defined(DIRED_SUPPORT) && defined(OK_INSTALL) case LYK_INSTALL: /* install a file into system area */ handle_LYK_INSTALL(); break; #endif /* DIRED_SUPPORT && OK_INSTALL */ case LYK_INFO: /* show document info */ if (handle_LYK_INFO(&cmd)) goto new_cmd; break; case LYK_EDIT_TEXTAREA: /* use external editor on a TEXTAREA - KED */ handle_LYK_EDIT_TEXTAREA(&refresh_screen, &old_c, real_c); break; case LYK_GROW_TEXTAREA: /* add new lines to bottom of TEXTAREA - KED */ handle_LYK_GROW_TEXTAREA(&refresh_screen); break; case LYK_INSERT_FILE: /* insert file in TEXTAREA, above cursor - KED */ handle_LYK_INSERT_FILE(&refresh_screen, &old_c, real_c); break; case LYK_PRINT: /* print the file */ handle_LYK_PRINT(&ForcePush, &old_c, real_c); break; case LYK_LIST: /* list links in the current document */ if (handle_LYK_LIST(&cmd)) goto new_cmd; break; #ifdef EXP_ADDRLIST_PAGE case LYK_ADDRLIST: /* always list URL's (only) */ if (handle_LYK_ADDRLIST(&cmd)) goto new_cmd; break; #endif /* EXP_ADDRLIST_PAGE */ case LYK_VLINKS: /* list links visited during the current session */ if (handle_LYK_VLINKS(&cmd, &newdoc_link_is_absolute)) goto new_cmd; break; case LYK_TOOLBAR: /* go to Toolbar or Banner in current document */ handle_LYK_TOOLBAR(&try_internal, &force_load, &old_c, real_c); break; #if defined(DIRED_SUPPORT) || defined(VMS) case LYK_DIRED_MENU: /* provide full file management menu */ handle_LYK_DIRED_MENU(&refresh_screen, &old_c, real_c); break; #endif /* DIRED_SUPPORT || VMS*/ #ifdef USE_EXTERNALS case LYK_EXTERN_LINK: /* use external program on url */ handle_LYK_EXTERN_LINK(&refresh_screen); break; case LYK_EXTERN_PAGE: /* use external program on current page */ handle_LYK_EXTERN_PAGE(&refresh_screen); break; #endif /* USE_EXTERNALS */ case LYK_ADD_BOOKMARK: /* add link to bookmark file */ handle_LYK_ADD_BOOKMARK(&refresh_screen, &old_c, real_c); break; case LYK_VIEW_BOOKMARK: /* v to view home page */ handle_LYK_VIEW_BOOKMARK(&refresh_screen, &old_c, real_c); break; case LYK_SHELL: /* (!) shell escape */ handle_LYK_SHELL(&refresh_screen, &old_c, real_c); break; case LYK_DOWNLOAD: switch (handle_LYK_DOWNLOAD(&cmd, &old_c, real_c)) { case 1: continue; case 2: goto new_cmd; } break; #ifdef DIRED_SUPPORT case LYK_UPLOAD: handle_LYK_UPLOAD(); break; #endif /* DIRED_SUPPORT */ case LYK_TRACE_TOGGLE: /* Toggle TRACE mode. */ handle_LYK_TRACE_TOGGLE(); break; case LYK_TRACE_LOG: /* View TRACE log. */ handle_LYK_TRACE_LOG(&trace_mode_flag); break; case LYK_IMAGE_TOGGLE: if (handle_LYK_IMAGE_TOGGLE(&cmd)) goto new_cmd; break; case LYK_INLINE_TOGGLE: if (handle_LYK_INLINE_TOGGLE(&cmd)) goto new_cmd; break; case LYK_RAW_TOGGLE: if (handle_LYK_RAW_TOGGLE(&cmd)) goto new_cmd; break; case LYK_HEAD: if (handle_LYK_HEAD(&cmd)) goto new_cmd; break; case LYK_TOGGLE_HELP: handle_LYK_TOGGLE_HELP(); break; case LYK_KEYMAP: handle_LYK_KEYMAP(&vi_keys_flag, &emacs_keys_flag, &old_c, real_c); break; case LYK_JUMP: if (handle_LYK_JUMP(c, user_input_buffer, &temp, &recall, &FirstURLRecall, &URLNum, &URLTotal, &ch, &old_c, real_c)) { if (do_check_recall (ch, user_input_buffer, &temp, URLTotal, &URLNum, recall, &FirstURLRecall)) do_check_goto_URL(user_input_buffer, &temp, &force_load); } break; case LYK_CLEAR_AUTH: handle_LYK_CLEAR_AUTH(&old_c, real_c); break; case LYK_DO_NOTHING: /* pretty self explanatory */ break; #ifdef SUPPORT_CHDIR case LYK_CHDIR: handle_LYK_CHDIR(); break; #endif #ifdef USE_CURSES_PADS case LYK_SHIFT_LEFT: handle_LYK_SHIFT_LEFT(&refresh_screen, key_count); break; case LYK_SHIFT_RIGHT: handle_LYK_SHIFT_RIGHT(&refresh_screen, key_count); break; case LYK_LINEWRAP_TOGGLE: if (handle_LYK_LINEWRAP_TOGGLE(&cmd, &refresh_screen)) goto new_cmd; break; #endif } /* end of BIG switch */ } } PRIVATE int are_different ARGS2( DocInfo *, doc1, DocInfo *, doc2) { char *cp1, *cp2; /* * Do we have two addresses? */ if (!doc1->address || !doc2->address) return (TRUE); /* * Do they differ in the type of request? */ if (doc1->isHEAD != doc2->isHEAD) return (TRUE); /* * See if the addresses are different, making sure * we're not tripped up by multiple anchors in the * the same document from a POST form. -- FM */ cp1 = trimPoundSelector(doc1->address); cp2 = trimPoundSelector(doc2->address); /* * Are the base addresses different? */ if (strcmp(doc1->address, doc2->address)) { restorePoundSelector(cp1); restorePoundSelector(cp2); return(TRUE); } restorePoundSelector(cp1); restorePoundSelector(cp2); /* * Do the docs have different contents? */ if (doc1->post_data) { if (doc2->post_data) { if (!BINEQ(doc1->post_data, doc2->post_data)) return(TRUE); } else return(TRUE); } else if (doc2->post_data) return(TRUE); /* * We'll assume the two documents in fact are the same. */ return(FALSE); } /* This determines whether two docs are _physically_ different, * meaning they are "from different files". - kw */ #ifndef DONT_TRACK_INTERNAL_LINKS PRIVATE int are_phys_different ARGS2( DocInfo *, doc1, DocInfo *, doc2) { char *cp1, *cp2, *ap1 = doc1->address, *ap2 = doc2->address; /* * Do we have two addresses? */ if (!doc1->address || !doc2->address) return (TRUE); /* * Do they differ in the type of request? */ if (doc1->isHEAD != doc2->isHEAD) return (TRUE); /* * Skip over possible LYNXIMGMAP parts. - kw */ if (isLYNXIMGMAP(doc1->address)) ap1 += LEN_LYNXIMGMAP; if (isLYNXIMGMAP(doc2->address)) ap2 += LEN_LYNXIMGMAP; /* * If there isn't any real URL in doc2->address, but maybe just * a fragment, doc2 is assumed to be an internal reference in * the same physical document, so return FALSE. - kw */ if (*ap2 == '\0' || *ap2 == '#') return(FALSE); /* * See if the addresses are different, making sure * we're not tripped up by multiple anchors in the * the same document from a POST form. -- FM */ cp1 = trimPoundSelector(doc1->address); cp2 = trimPoundSelector(doc2->address); /* * Are the base addresses different? */ if (strcmp(ap1, ap2)) { restorePoundSelector(cp1); restorePoundSelector(cp2); return(TRUE); } restorePoundSelector(cp1); restorePoundSelector(cp2); /* * Do the docs have different contents? */ if (doc1->post_data) { if (doc2->post_data) { if (!BINEQ(doc1->post_data, doc2->post_data)) return(TRUE); } else return(TRUE); } else if (doc2->post_data) return(TRUE); /* * We'll assume the two documents in fact are the same. */ return(FALSE); } #endif /* * Utility for freeing the list of goto URLs. - FM */ #ifdef LY_FIND_LEAKS PRIVATE void HTGotoURLs_free NOARGS { char *url; HTList *cur = Goto_URLs; if (cur != 0) { while (NULL != (url = (char *)HTList_nextObject(cur))) { FREE(url); } HTList_delete(Goto_URLs); Goto_URLs = NULL; } } #endif /* * Utility for listing Goto URLs, making any * repeated URLs the most current in the list. - FM */ PUBLIC void HTAddGotoURL ARGS1( char *, url) { char *new = NULL; char *old; HTList *cur; if (!(url && *url)) return; CTRACE((tfp, "HTAddGotoURL %s\n", url)); StrAllocCopy(new, url); if (!Goto_URLs) { Goto_URLs = HTList_new(); #ifdef LY_FIND_LEAKS atexit(HTGotoURLs_free); #endif HTList_addObject(Goto_URLs, new); return; } cur = Goto_URLs; while (NULL != (old = (char *)HTList_nextObject(cur))) { if (!strcmp(old, new)) { HTList_removeObject(Goto_URLs, old); FREE(old); break; } } HTList_addObject(Goto_URLs, new); return; } /* * When help is not on the screen, * put a message on the screen * to tell the user other misc info. */ PRIVATE void show_main_statusline ARGS2( CONST LinkInfo, curlink, int, for_what) { /* * Make sure form novice lines are replaced. */ if (user_mode == NOVICE_MODE && for_what != FOR_INPUT) { noviceline(more); } if (HTisDocumentSource()) { /* * Currently displaying HTML source. */ _statusline(SOURCE_HELP); /* * If we are in forms mode then explicitly * tell the user what each kind of link is. */ #ifdef INDICATE_FORMS_MODE_FOR_ALL_LINKS_ON_PAGE } else if (lynx_mode == FORMS_LYNX_MODE && nlinks > 0) { #else #ifdef NORMAL_NON_FORM_LINK_STATUSLINES_FOR_ALL_USER_MODES } else if (lynx_mode == FORMS_LYNX_MODE && nlinks > 0 && !(curlink.type & WWW_LINK_TYPE)) { #else } else if (lynx_mode == FORMS_LYNX_MODE && nlinks > 0 && !(user_mode == ADVANCED_MODE && (curlink.type & WWW_LINK_TYPE))) { #endif /* NORMAL_NON_FORM_LINK_STATUSLINES_FOR_ALL_USER_MODES */ #endif /* INDICATE_FORMS_MODE_FOR_ALL_LINKS_ON_PAGE */ if (curlink.type == WWW_FORM_LINK_TYPE) { show_formlink_statusline(curlink.l_form, for_what); } else { statusline(NORMAL_LINK_MESSAGE); } /* * Let them know if it's an index -- very rare. */ if (is_www_index) { char *indx = gettext("-index-"); LYmove(LYlines-1, LYcols - strlen(indx) - 1); start_reverse(); LYaddstr(indx); stop_reverse(); } } else if (user_mode == ADVANCED_MODE && nlinks > 0) { /* * Show the URL or, for some internal links, the fragment */ char *cp = NULL; if (curlink.type == WWW_INTERN_LINK_TYPE && !isLYNXIMGMAP(curlink.lname)) { cp = findPoundSelector(curlink.lname); } if (!cp) cp = curlink.lname; status_link(cp, more, is_www_index); } else if (is_www_index && more) { char buf[128]; sprintf(buf, WWW_INDEX_MORE_MESSAGE, key_for_func(LYK_INDEX_SEARCH)); _statusline(buf); } else if (is_www_index) { char buf[128]; sprintf(buf, WWW_INDEX_MESSAGE, key_for_func(LYK_INDEX_SEARCH)); _statusline(buf); } else if (more) { if (user_mode == NOVICE_MODE) _statusline(MORE); else _statusline(MOREHELP); } else { _statusline(HELP); } /* turn off cursor since now it's probably on statusline -HV */ /* But not if LYShowCursor is on. -show_cursor may be used as a * workaround to avoid putting the cursor in the last position, for * curses implementations or terminals that cannot deal with that * correctly. - kw */ if (!LYShowCursor) { LYHideCursor(); } } /* * Public function for redrawing the statusline appropriate for the * selected link. It should only be called at times when curdoc.link, * nlinks, and the links[] array are valid. - kw */ PUBLIC void repaint_main_statusline ARGS1( int, for_what) { if (curdoc.link >= 0 && curdoc.link < nlinks) show_main_statusline(links[curdoc.link], for_what); } PRIVATE void form_noviceline ARGS1( int, disabled) { LYmove(LYlines-2,0); LYclrtoeol(); if (!disabled) { LYaddstr(FORM_NOVICELINE_ONE); } LYmove(LYlines-1,0); LYclrtoeol(); if (disabled) return; if (EditBinding(FROMASCII('\025')) == LYE_ERASE) { LYaddstr(FORM_NOVICELINE_TWO); } else if (EditBinding(FROMASCII('\025')) == LYE_DELBL) { LYaddstr(FORM_NOVICELINE_TWO_DELBL); } else { char *temp = NULL; char *erasekey = fmt_keys(LYKeyForEditAction(LYE_ERASE), -1); if (erasekey) { HTSprintf0(&temp, FORM_NOVICELINE_TWO_VAR, erasekey); } else { erasekey = fmt_keys(LYKeyForEditAction(LYE_DELBL), -1); if (erasekey) HTSprintf0(&temp, FORM_NOVICELINE_TWO_DELBL_VAR, erasekey); } if (temp) { LYaddstr(temp); FREE(temp); } FREE(erasekey); } } PRIVATE void exit_immediately_with_error_message ARGS2( int, state, BOOLEAN, first_file) { char *buf = 0; char *buf2 = 0; if (first_file) { /* print statusline messages as a hint, if any */ LYstatusline_messages_on_exit(&buf2); } if (state == NOT_FOUND) { HTSprintf0(&buf, "%s\n%s %s\n", NonNull(buf2), gettext("lynx: Can't access startfile"), /* * hack: if we fail in HTAccess.c * avoid duplicating URL, oh. */ (buf2 && strstr(buf2, gettext("Can't Access"))) ? "" : startfile); } if (state == NULLFILE) { HTSprintf0(&buf, "%s\n%s\n%s\n", NonNull(buf2), gettext("lynx: Start file could not be found or is not text/html or text/plain"), gettext(" Exiting...")); } FREE(buf2); if (!dump_output_immediately) cleanup(); #ifdef UNIX if (dump_output_immediately) { fputs(buf, stderr); } else #endif /* UNIX */ { SetOutputMode( O_TEXT ); fputs(buf, stdout); SetOutputMode( O_BINARY ); } FREE(buf); if (!dump_output_immediately) { exit_immediately(EXIT_FAILURE); } /* else: return(EXIT_FAILURE) in mainloop */ } PRIVATE void status_link ARGS3( char *, curlink_name, BOOLEAN, show_more, BOOLEAN, show_indx) { #define MAX_STATUS (LYcols - 2) #define MIN_STATUS 0 char format[MAX_LINE]; int prefix = 0; int length; *format = 0; if (show_more) { sprintf(format, "%.*s ", (int)(sizeof(format) - 2), gettext("-more-")); prefix = strlen(format); } if (show_indx) { sprintf(format + prefix, "%.*s ", (int)(sizeof(format) - prefix - 2), gettext("-index-")); } prefix = strlen(format); length = strlen(curlink_name); if (prefix > MAX_STATUS || prefix >= MAX_LINE - 1) { _user_message("%s", format); /* no room for url */ } else { sprintf(format + prefix, "%%.%ds", MAX_STATUS - prefix); if ((length + prefix > MAX_STATUS) && long_url_ok) { char *buf = NULL; int cut_from_pos; int cut_to_pos; int n; StrAllocCopy(buf, curlink_name); /* * Scan to find the final leaf of the URL. * Ignore trailing '/'. */ for (cut_to_pos = length - 2; (cut_to_pos > 0) && (buf[cut_to_pos] != '/'); cut_to_pos--) ; /* * Jump back to the next leaf to remove. */ for (cut_from_pos = cut_to_pos - 4; (cut_from_pos > 0) && ((buf[cut_from_pos] != '/') || (prefix + cut_from_pos + 4 + (length - cut_to_pos) >= MAX_STATUS)); cut_from_pos--) ; /* * Replace some leaves to '...', if possible, and put the * final leaf at the end. We assume that one can recognize * the link from at least MIN_STATUS characters. */ if (cut_from_pos > MIN_STATUS) { for (n = 1; n <= 3; n++) buf[cut_from_pos + n] = '.'; for (n = 0; cut_to_pos + n <= length; n++) buf[cut_from_pos + 4 + n] = buf[cut_to_pos + n]; } _user_message(format, buf); CTRACE((tfp,"lastline = %s\n",buf)); /* don't forget to erase me */ FREE(buf); } else { /* show (possibly truncated) url */ _user_message(format, curlink_name); } } } PUBLIC char* LYDownLoadAddress NOARGS { char *s = newdoc.address ? newdoc.address : ""; return s; }