/* Displaying messages and getting input for Lynx Browser * ========================================================== * * REPLACE THIS MODULE with a GUI version in a GUI environment! * * History: * Jun 92 Created May 1992 By C.T. Barker * Feb 93 Simplified, portablised TBL * */ #include #include #include #include #include #include #include #include #include #include /* store statusline messages */ #include #include #undef timezone /* U/Win defines this in time.h, hides implementation detail */ #if defined(HAVE_FTIME) && defined(HAVE_SYS_TIMEB_H) #include #endif /* * 'napms()' is preferable to 'sleep()' in any case because it does not * interfere with output, but also because it can be less than a second. */ #ifdef HAVE_NAPMS #define LYSleep(n) napms(n) #else #define LYSleep(n) sleep(n) #endif /* Issue a message about a problem. HTAlert() * -------------------------------- */ void HTAlert(const char *Msg) { CTRACE((tfp, "\nAlert!: %s\n\n", Msg)); CTRACE_FLUSH(tfp); _user_message(ALERT_FORMAT, Msg); LYstore_message2(ALERT_FORMAT, Msg); if (dump_output_immediately && dump_to_stderr) { fflush(stdout); fprintf(stderr, ALERT_FORMAT, Msg); fputc('\n', stderr); fflush(stderr); } LYSleepAlert(); } void HTAlwaysAlert(const char *extra_prefix, const char *Msg) { if (!dump_output_immediately && LYCursesON) { HTAlert(Msg); } else { if (extra_prefix) { fprintf(((TRACE) ? stdout : stderr), "%s %s!\n", extra_prefix, Msg); fflush(stdout); LYstore_message2(ALERT_FORMAT, Msg); LYSleepAlert(); } else { fprintf(((TRACE) ? stdout : stderr), ALERT_FORMAT, NonNull(Msg)); fflush(stdout); LYstore_message2(ALERT_FORMAT, Msg); LYSleepAlert(); fprintf(((TRACE) ? stdout : stderr), "\n"); } CTRACE((tfp, "\nAlert!: %s\n\n", Msg)); CTRACE_FLUSH(tfp); } } /* Issue an informational message. HTInfoMsg() * -------------------------------- */ void HTInfoMsg(const char *Msg) { _statusline(Msg); if (non_empty(Msg)) { CTRACE((tfp, "Info message: %s\n", Msg)); LYstore_message(Msg); LYSleepInfo(); } } void HTInfoMsg2(const char *Msg2, const char *Arg) { _user_message(Msg2, Arg); if (non_empty(Msg2)) { CTRACE((tfp, "Info message: ")); CTRACE((tfp, Msg2, Arg)); CTRACE((tfp, "\n")); LYstore_message2(Msg2, Arg); LYSleepInfo(); } } /* Issue an important message. HTUserMsg() * -------------------------------- */ void HTUserMsg(const char *Msg) { _statusline(Msg); if (non_empty(Msg)) { CTRACE((tfp, "User message: %s\n", Msg)); LYstore_message(Msg); #if !(defined(USE_SLANG) || defined(WIDEC_CURSES)) if (HTCJK != NOCJK) { clearok(curscr, TRUE); LYrefresh(); } #endif LYSleepMsg(); } } void HTUserMsg2(const char *Msg2, const char *Arg) { _user_message(Msg2, Arg); if (non_empty(Msg2)) { CTRACE((tfp, "User message: ")); CTRACE((tfp, Msg2, Arg)); CTRACE((tfp, "\n")); LYstore_message2(Msg2, Arg); LYSleepMsg(); } } /* Issue a progress message. HTProgress() * ------------------------- */ void HTProgress(const char *Msg) { statusline(Msg); LYstore_message(Msg); CTRACE((tfp, "%s\n", Msg)); LYSleepDebug(); } const char *HTProgressUnits(int rate) { static const char *bunits = 0; static const char *kbunits = 0; if (!bunits) { bunits = gettext("bytes"); kbunits = gettext(LYTransferName); } return ((rate == rateKB) #ifdef USE_READPROGRESS || (rate == rateEtaKB) #endif )? kbunits : bunits; } static const char *sprint_bytes(char *s, long n, const char *was_units) { static long kb_units = 1024; const char *u = HTProgressUnits(LYTransferRate); if (LYTransferRate == rateKB || LYTransferRate == rateEtaKB_maybe) { if (n >= 10 * kb_units) { sprintf(s, "%ld", n / kb_units); } else if (n > 999) { /* Avoid switching between 1016b/s and 1K/s */ sprintf(s, "%.2g", ((double) n) / kb_units); } else { sprintf(s, "%ld", n); u = HTProgressUnits(rateBYTES); } } else { sprintf(s, "%ld", n); } if (!was_units || was_units != u) sprintf(s + strlen(s), " %s", u); return u; } #ifdef USE_READPROGRESS #define TIME_HMS_LENGTH (16) static char *sprint_tbuf(char *s, long t) { if (t > 3600) sprintf(s, "%ldh%ldm%lds", t / 3600, (t / 60) % 60, t % 60); else if (t > 60) sprintf(s, "%ldm%lds", t / 60, t % 60); else sprintf(s, "%ld sec", t); return s; } #endif /* USE_READPROGRESS */ /* Issue a read-progress message. HTReadProgress() * ------------------------------ */ void HTReadProgress(long bytes, long total) { static long bytes_last, total_last; static long transfer_rate = 0; static char *line = NULL; char bytesp[80], totalp[80], transferp[80]; int renew = 0; const char *was_units; #ifdef HAVE_GETTIMEOFDAY struct timeval tv; double now; static double first, last, last_active; gettimeofday(&tv, (struct timezone *) 0); now = tv.tv_sec + tv.tv_usec / 1000000.; #else #if defined(HAVE_FTIME) && defined(HAVE_SYS_TIMEB_H) static double now, first, last, last_active; struct timeb tb; ftime(&tb); now = tb.time + (double) tb.millitm / 1000; #else time_t now = time((time_t *) 0); /* once per second */ static time_t first, last, last_active; #endif #endif if (!LYShowTransferRate) LYTransferRate = rateOFF; if (bytes == 0) { first = last = last_active = now; bytes_last = bytes; } else if (bytes < 0) { /* stalled */ bytes = bytes_last; total = total_last; } if ((bytes > 0) && (now > first)) /* 1 sec delay for transfer_rate calculation without g-t-o-d */ { if (transfer_rate <= 0) /* the very first time */ transfer_rate = (long) ((bytes) / (now - first)); /* bytes/sec */ total_last = total; /* * Optimal refresh time: every 0.2 sec */ #if defined(HAVE_GETTIMEOFDAY) || (defined(HAVE_FTIME) && defined(HAVE_SYS_TIMEB_H)) if (now >= last + 0.2) renew = 1; #else /* * Use interpolation. (The transfer rate may be not constant * when we have partial content in a proxy. We adjust transfer_rate * once a second to minimize interpolation error below.) */ if ((now != last) || ((bytes - bytes_last) > (transfer_rate / 5))) { renew = 1; bytes_last += (transfer_rate / 5); /* until we got next second */ } #endif if (renew) { if (now > last) { last = now; if (bytes_last != bytes) last_active = now; bytes_last = bytes; transfer_rate = (long) (bytes / (now - first)); /* more accurate value */ } if (total > 0) was_units = sprint_bytes(totalp, total, 0); else was_units = 0; sprint_bytes(bytesp, bytes, was_units); if (total > 0) HTSprintf0(&line, gettext("Read %s of %s of data"), bytesp, totalp); else HTSprintf0(&line, gettext("Read %s of data"), bytesp); if (LYTransferRate != rateOFF && transfer_rate > 0) { sprint_bytes(transferp, transfer_rate, 0); HTSprintf(&line, gettext(", %s/sec"), transferp); } #ifdef USE_READPROGRESS if (LYTransferRate == rateEtaBYTES || LYTransferRate == rateEtaKB) { char tbuf[TIME_HMS_LENGTH]; if (now - last_active >= 5) HTSprintf(&line, gettext(" (stalled for %s)"), sprint_tbuf(tbuf, (long) (now - last_active))); if (total > 0 && transfer_rate) HTSprintf(&line, gettext(", ETA %s"), sprint_tbuf(tbuf, (long) ((total - bytes) / transfer_rate))); } #endif StrAllocCat(line, "."); if (total < -1) StrAllocCat(line, gettext(" (Press 'z' to abort)")); /* do not store the message for history page. */ statusline(line); CTRACE((tfp, "%s\n", line)); } } #ifdef LY_FIND_LEAKS FREE(line); #endif } static BOOL conf_cancelled = NO; /* used by HTConfirm only - kw */ BOOL HTLastConfirmCancelled(void) { if (conf_cancelled) { conf_cancelled = NO; /* reset */ return (YES); } else { return (NO); } } /* * Prompt for yes/no response, but let a configuration variable override * the prompt entirely. */ int HTForcedPrompt(int option, const char *msg, int dft) { int result = FALSE; const char *show = NULL; char *msg2 = NULL; if (option == FORCE_PROMPT_DFT) { result = HTConfirmDefault(msg, dft); } else { if (option == FORCE_PROMPT_YES) { show = gettext("yes"); result = YES; } else if (option == FORCE_PROMPT_NO) { show = gettext("no"); result = NO; } else { return HTConfirmDefault(msg, dft); /* bug... */ } HTSprintf(&msg2, "%s %s", msg, show); HTUserMsg(msg2); free(msg2); } return result; } #define DFT_CONFIRM ~(YES|NO) /* Seek confirmation with default answer. HTConfirmDefault() * -------------------------------------- */ int HTConfirmDefault(const char *Msg, int Dft) { /* Meta-note: don't move the following note from its place right in front of the first gettext(). As it is now, it should automatically appear in generated lynx.pot files. - kw */ /* NOTE TO TRANSLATORS: If you provide a translation for "yes", lynx * will take the first byte of the translation as a positive response * to Yes/No questions. If you provide a translation for "no", lynx * will take the first byte of the translation as a negative response * to Yes/No questions. For both, lynx will also try to show the * first byte in the prompt as a character, instead of (y) or (n), * respectively. This will not work right for multibyte charsets! * Don't translate "yes" and "no" for CJK character sets (or translate * them to "yes" and "no"). For a translation using UTF-8, don't * translate if the translation would begin with anything but a 7-bit * (US_ASCII) character. That also means do not translate if the * translation would begin with anything but a 7-bit character, if * you use a single-byte character encoding (a charset like ISO-8859-n) * but anticipate that the message catalog may be used re-encoded in * UTF-8 form. * For translations using other character sets, you may also wish to * leave "yes" and "no" untranslated, if using (y) and (n) is the * preferred behavior. * Lynx will also accept y Y n N as responses unless there is a conflict * with the first letter of the "yes" or "no" translation. */ const char *msg_yes = gettext("yes"); const char *msg_no = gettext("no"); int result = -1; /* If they're not really distinct in the first letter, revert to English */ if (TOUPPER(*msg_yes) == TOUPPER(*msg_no)) { msg_yes = "yes"; msg_no = "no"; } conf_cancelled = NO; if (dump_output_immediately) { /* Non-interactive, can't respond */ if (Dft == DFT_CONFIRM) { CTRACE((tfp, "Confirm: %s (%c/%c) ", Msg, *msg_yes, *msg_no)); } else { CTRACE((tfp, "Confirm: %s (%c) ", Msg, (Dft == YES) ? *msg_yes : *msg_no)); } CTRACE((tfp, "- NO, not interactive.\n")); result = NO; } else { char *msg = NULL; char fallback_y = 'y'; /* English letter response as fallback */ char fallback_n = 'n'; /* English letter response as fallback */ if (fallback_y == *msg_yes || fallback_y == *msg_no) fallback_y = '\0'; /* conflict or duplication, don't use */ if (fallback_n == *msg_yes || fallback_n == *msg_no) fallback_n = '\0'; /* conflict or duplication, don't use */ if (Dft == DFT_CONFIRM) HTSprintf0(&msg, "%s (%c/%c) ", Msg, *msg_yes, *msg_no); else HTSprintf0(&msg, "%s (%c) ", Msg, (Dft == YES) ? *msg_yes : *msg_no); if (LYTraceLogFP) { CTRACE((tfp, "Confirm: %s", msg)); } _statusline(msg); FREE(msg); while (result < 0) { int c = LYgetch_single(); #ifdef VMS if (HadVMSInterrupt) { HadVMSInterrupt = FALSE; c = TOUPPER(*msg_no); } #endif /* VMS */ if (c == TOUPPER(*msg_yes)) { result = YES; } else if (c == TOUPPER(*msg_no)) { result = NO; } else if (fallback_y && c == fallback_y) { result = YES; } else if (fallback_n && c == fallback_n) { result = NO; } else if (LYCharIsINTERRUPT(c)) { /* remember we had ^G or ^C */ conf_cancelled = YES; result = NO; } else if (Dft != DFT_CONFIRM) { result = Dft; break; } } CTRACE((tfp, "- %s%s.\n", (result != NO) ? "YES" : "NO", conf_cancelled ? ", cancelled" : "")); } return (result); } /* Seek confirmation. HTConfirm() * ------------------ */ BOOL HTConfirm(const char *Msg) { return (BOOL) HTConfirmDefault(Msg, DFT_CONFIRM); } /* * Ask a post resubmission prompt with some indication of what would * be resubmitted, useful especially for going backward in history. * Try to use parts of the address or, if given, the title, depending * on how much fits on the statusline. * if_imgmap and if_file indicate how to handle an address that is * a "LYNXIMGMAP:", or a "file:" URL (presumably the List Page file), * respectively: 0: auto-deny, 1: auto-confirm, 2: prompt. * - kw */ BOOL confirm_post_resub(const char *address, const char *title, int if_imgmap, int if_file) { size_t len1; const char *msg = CONFIRM_POST_RESUBMISSION_TO; char buf[240]; char *temp = NULL; BOOL res; size_t maxlen = LYcolLimit - 5; if (!address) { return (NO); } else if (isLYNXIMGMAP(address)) { if (if_imgmap <= 0) return (NO); else if (if_imgmap == 1) return (YES); else msg = CONFIRM_POST_LIST_RELOAD; } else if (isFILE_URL(address)) { if (if_file <= 0) return (NO); else if (if_file == 1) return (YES); else msg = CONFIRM_POST_LIST_RELOAD; } else if (dump_output_immediately) { return (NO); } if (maxlen >= sizeof(buf)) maxlen = sizeof(buf) - 1; if ((len1 = strlen(msg)) + strlen(address) <= maxlen) { sprintf(buf, msg, address); return HTConfirm(buf); } if (len1 + strlen(temp = HTParse(address, "", PARSE_ACCESS + PARSE_HOST + PARSE_PATH + PARSE_PUNCTUATION)) <= maxlen) { sprintf(buf, msg, temp); res = HTConfirm(buf); FREE(temp); return (res); } FREE(temp); if (title && (len1 + strlen(title) <= maxlen)) { sprintf(buf, msg, title); return HTConfirm(buf); } if (len1 + strlen(temp = HTParse(address, "", PARSE_ACCESS + PARSE_HOST + PARSE_PUNCTUATION)) <= maxlen) { sprintf(buf, msg, temp); res = HTConfirm(buf); FREE(temp); return (res); } FREE(temp); if ((temp = HTParse(address, "", PARSE_HOST)) && *temp && len1 + strlen(temp) <= maxlen) { sprintf(buf, msg, temp); res = HTConfirm(buf); FREE(temp); return (res); } FREE(temp); return HTConfirm(CONFIRM_POST_RESUBMISSION); } /* Prompt for answer and get text back. HTPrompt() * ------------------------------------ */ char *HTPrompt(const char *Msg, const char *deflt) { char *rep = NULL; char Tmp[200]; Tmp[0] = '\0'; Tmp[sizeof(Tmp) - 1] = '\0'; _statusline(Msg); if (deflt) strncpy(Tmp, deflt, sizeof(Tmp) - 1); if (!dump_output_immediately) LYgetstr(Tmp, VISIBLE, sizeof(Tmp), NORECALL); StrAllocCopy(rep, Tmp); return rep; } /* * Prompt for password without echoing the reply. HTPromptPassword() * ---------------------------------------------- */ char *HTPromptPassword(const char *Msg) { char *result = NULL; char pw[120]; pw[0] = '\0'; if (!dump_output_immediately) { _statusline(Msg ? Msg : PASSWORD_PROMPT); LYgetstr(pw, HIDDEN, sizeof(pw), NORECALL); /* hidden */ StrAllocCopy(result, pw); } else { printf("\n%s\n", PASSWORD_REQUIRED); StrAllocCopy(result, ""); } return result; } /* Prompt both username and password. HTPromptUsernameAndPassword() * ---------------------------------- * * On entry, * Msg is the prompting message. * *username and * *password are char pointers which contain default * or zero-length strings; they are changed * to point to result strings. * IsProxy should be TRUE if this is for * proxy authentication. * * If *username is not NULL, it is taken * to point to a default value. * Initial value of *password is * completely discarded. * * On exit, * *username and *password point to newly allocated * strings -- original strings pointed to by them * are NOT freed. * */ void HTPromptUsernameAndPassword(const char *Msg, char **username, char **password, BOOL IsProxy) { if ((IsProxy == FALSE && authentication_info[0] && authentication_info[1]) || (IsProxy == TRUE && proxyauth_info[0] && proxyauth_info[1])) { /* * The -auth or -pauth parameter gave us both the username * and password to use for the first realm or proxy server, * respectively, so just use them without any prompting. - FM */ StrAllocCopy(*username, (IsProxy ? proxyauth_info[0] : authentication_info[0])); if (IsProxy) { FREE(proxyauth_info[0]); } else { FREE(authentication_info[0]); } StrAllocCopy(*password, (IsProxy ? proxyauth_info[1] : authentication_info[1])); if (IsProxy) { FREE(proxyauth_info[1]); } else { FREE(authentication_info[1]); } } else if (dump_output_immediately) { /* * We are not interactive and don't have both the * username and password from the command line, * but might have one or the other. - FM */ if ((IsProxy == FALSE && authentication_info[0]) || (IsProxy == TRUE && proxyauth_info[0])) { /* * Use the command line username. - FM */ StrAllocCopy(*username, (IsProxy ? proxyauth_info[0] : authentication_info[0])); if (IsProxy) { FREE(proxyauth_info[0]); } else { FREE(authentication_info[0]); } } else { /* * Default to "WWWuser". - FM */ StrAllocCopy(*username, "WWWuser"); } if ((IsProxy == FALSE && authentication_info[1]) || (IsProxy == TRUE && proxyauth_info[1])) { /* * Use the command line password. - FM */ StrAllocCopy(*password, (IsProxy ? proxyauth_info[1] : authentication_info[1])); if (IsProxy) { FREE(proxyauth_info[1]); } else { FREE(authentication_info[1]); } } else { /* * Default to a zero-length string. - FM */ StrAllocCopy(*password, ""); } printf("\n%s\n", USERNAME_PASSWORD_REQUIRED); } else { /* * We are interactive and don't have both the * username and password from the command line, * but might have one or the other. - FM */ if ((IsProxy == FALSE && authentication_info[0]) || (IsProxy == TRUE && proxyauth_info[0])) { /* * Offer the command line username in the * prompt for the first realm. - FM */ StrAllocCopy(*username, (IsProxy ? proxyauth_info[0] : authentication_info[0])); if (IsProxy) { FREE(proxyauth_info[0]); } else { FREE(authentication_info[0]); } } /* * Prompt for confirmation or entry of the username. - FM */ if (Msg != NULL) { *username = HTPrompt(Msg, *username); } else { *username = HTPrompt(USERNAME_PROMPT, *username); } if ((IsProxy == FALSE && authentication_info[1]) || (IsProxy == TRUE && proxyauth_info[1])) { /* * Use the command line password for the first realm. - FM */ StrAllocCopy(*password, (IsProxy ? proxyauth_info[1] : authentication_info[1])); if (IsProxy) { FREE(proxyauth_info[1]); } else { FREE(authentication_info[1]); } } else if (non_empty(*username)) { /* * We have a non-zero length username, * so prompt for the password. - FM */ *password = HTPromptPassword(PASSWORD_PROMPT); } else { /* * Return a zero-length password. - FM */ StrAllocCopy(*password, ""); } } } /* Confirm a cookie operation. HTConfirmCookie() * --------------------------- * * On entry, * server is the server sending the Set-Cookie. * domain is the domain of the cookie. * path is the path of the cookie. * name is the name of the cookie. * value is the value of the cookie. * * On exit, * Returns FALSE on cancel, * TRUE if the cookie should be set. */ BOOL HTConfirmCookie(domain_entry * de, const char *server, const char *name, const char *value) { int ch; const char *prompt = ADVANCED_COOKIE_CONFIRMATION; if (de == NULL) return FALSE; /* If the user has specified a list of domains to allow or deny * from the config file, then they'll already have de->bv set to * ACCEPT_ALWAYS or REJECT_ALWAYS so we can relax and let the * default cookie handling code cope with this fine. */ /* * If the user has specified a constant action, don't prompt at all. */ if (de->bv == ACCEPT_ALWAYS) return TRUE; if (de->bv == REJECT_ALWAYS) return FALSE; if (dump_output_immediately) { /* * Non-interactive, can't respond. Use the LYSetCookies value * based on its compilation or configuration setting, or on the * command line toggle. - FM */ return LYSetCookies; } /* * Estimate how much of the cookie we can show. */ if (!LYAcceptAllCookies) { int namelen, valuelen, space_free, percentage; char *message = 0; space_free = (LYcolLimit - (LYstrCells(prompt) - 10) /* %s and %.*s and %.*s chars */ -strlen(server)); if (space_free < 0) space_free = 0; namelen = strlen(name); valuelen = strlen(value); if ((namelen + valuelen) > space_free) { /* * Argh... there isn't enough space on our single line for * the whole cookie. Reduce them both by a percentage. * This should be smarter. */ percentage = (100 * space_free) / (namelen + valuelen); namelen = (percentage * namelen) / 100; valuelen = (percentage * valuelen) / 100; } HTSprintf(&message, prompt, server, namelen, name, valuelen, value); _statusline(message); FREE(message); } for (;;) { if (LYAcceptAllCookies) { ch = 'A'; } else { ch = LYgetch_single(); #if defined(LOCALE) && defined(HAVE_GETTEXT) { #define L_PAREN '(' #define R_PAREN ')' /* * Special-purpose workaround for gettext support (we should do * this in a more general way) -TD * * NOTE TO TRANSLATORS: If the prompt has been rendered into * another language, and if yes/no are distinct, assume the * translator can make an ordered list in parentheses with one * capital letter for each as we assumed in HTConfirmDefault(). * The list has to be in the same order as in the original message, * and the four capital letters chosen to not match those in the * original unless they have the same position. * * Example: * (Y/N/Always/neVer) - English (original) * (O/N/Toujours/Jamais) - French */ char *p = gettext("Y/N/A/V"); /* placeholder for comment */ char *s = "YNAV\007\003"; /* see ADVANCED_COOKIE_CONFIRMATION */ if (strchr(s, ch) == 0 && isalpha(ch) && (p = strrchr(prompt, L_PAREN)) != 0) { CTRACE((tfp, "Looking for %c in %s\n", ch, p)); while (*p != R_PAREN && *p != 0 && isalpha(UCH(*s))) { if (isalpha(UCH(*p)) && (*p == TOUPPER(*p))) { CTRACE((tfp, "...testing %c/%c\n", *p, *s)); if (*p == ch) { ch = *s; break; } ++s; } ++p; } } } #endif } #ifdef VMS if (HadVMSInterrupt) { HadVMSInterrupt = FALSE; ch = 'N'; } #endif /* VMS */ switch (ch) { case 'A': /* * Set to accept all cookies for this domain. */ de->bv = ACCEPT_ALWAYS; HTUserMsg2(ALWAYS_ALLOWING_COOKIES, de->domain); return TRUE; case 'N': /* * Reject the cookie. */ reject: HTUserMsg(REJECTING_COOKIE); return FALSE; case 'V': /* * Set to reject all cookies from this domain. */ de->bv = REJECT_ALWAYS; HTUserMsg2(NEVER_ALLOWING_COOKIES, de->domain); return FALSE; case 'Y': /* * Accept the cookie. */ HTInfoMsg(ALLOWING_COOKIE); return TRUE; default: if (LYCharIsINTERRUPT(ch)) goto reject; continue; } } } /* Confirm redirection of POST. HTConfirmPostRedirect() * ---------------------------- * * On entry, * Redirecting_url is the Location. * server_status is the server status code. * * On exit, * Returns 0 on cancel, * 1 for redirect of POST with content, * 303 for redirect as GET without content */ int HTConfirmPostRedirect(const char *Redirecting_url, int server_status) { int result = -1; char *show_POST_url = NULL; char *StatusInfo = 0; char *url = 0; int on_screen = 0; /* 0 - show menu * 1 - show url * 2 - menu is already on screen */ if (server_status == 303 || server_status == 302) { /* * HTTP.c should not have called us for either of * these because we're treating 302 as historical, * so just return 303. - FM */ return 303; } if (dump_output_immediately) { if (server_status == 301) { /* * Treat 301 as historical, i.e., like 303 (GET * without content), when not interactive. - FM */ return 303; } else { /* * Treat anything else (e.g., 305, 306 or 307) as too * dangerous to redirect without confirmation, and thus * cancel when not interactive. - FM */ return 0; } } if (user_mode == NOVICE_MODE) { on_screen = 2; LYmove(LYlines - 2, 0); HTSprintf0(&StatusInfo, SERVER_ASKED_FOR_REDIRECTION, server_status); LYaddstr(StatusInfo); LYclrtoeol(); LYmove(LYlines - 1, 0); HTSprintf0(&url, "URL: %.*s", (LYcols < 250 ? LYcolLimit - 5 : 250), Redirecting_url); LYaddstr(url); LYclrtoeol(); if (server_status == 301) { _statusline(PROCEED_GET_CANCEL); } else { _statusline(PROCEED_OR_CANCEL); } } else { HTSprintf0(&StatusInfo, "%d %.*s", server_status, 251, ((server_status == 301) ? ADVANCED_POST_GET_REDIRECT : ADVANCED_POST_REDIRECT)); StrAllocCopy(show_POST_url, LOCATION_HEADER); StrAllocCat(show_POST_url, Redirecting_url); } while (result < 0) { int c; switch (on_screen) { case 0: _statusline(StatusInfo); break; case 1: _statusline(show_POST_url); } c = LYgetch_single(); switch (c) { case 'P': /* * Proceed with 301 or 307 redirect of POST * with same method and POST content. - FM */ FREE(show_POST_url); result = 1; break; case 7: case 'C': /* * Cancel request. */ FREE(show_POST_url); result = 0; break; case 'U': /* * Show URL for intermediate or advanced mode. */ if (user_mode != NOVICE_MODE) { if (on_screen == 1) { on_screen = 0; } else { on_screen = 1; } } break; case 'G': if (server_status == 301) { /* * Treat as 303 (GET without content). */ FREE(show_POST_url); result = 303; break; } /* fall through to default */ default: /* * Get another character. */ if (on_screen == 1) { on_screen = 0; } else { on_screen = 2; } } } FREE(StatusInfo); FREE(url); return (result); } #define okToSleep() (!crawl && !traversal && LYCursesON) /* * Sleep for the given message class's time. */ void LYSleepAlert(void) { if (okToSleep()) LYSleep(AlertSecs); } void LYSleepDebug(void) { if (okToSleep()) LYSleep(DebugSecs); } void LYSleepInfo(void) { if (okToSleep()) LYSleep(InfoSecs); } void LYSleepMsg(void) { if (okToSleep()) LYSleep(MessageSecs); } #ifdef EXP_CMD_LOGGING void LYSleepReplay(void) { if (okToSleep()) LYSleep(ReplaySecs); } #endif /* EXP_CMD_LOGGING */ /* * LYstrerror emulates the ANSI strerror() function. */ #ifndef LYStrerror char *LYStrerror(int code) { static char temp[80]; sprintf(temp, "System errno is %d.\r\n", code); return temp; } #endif /* HAVE_STRERROR */