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|
/* File Access HTFile.c
** ===========
**
** This is unix-specific code in general, with some VMS bits.
** These are routines for file access used by browsers.
** Development of this module for Unix DIRED_SUPPORT in Lynx
** regrettably has has been conducted in a manner with now
** creates a major impediment for hopes of adapting Lynx to
** a newer version of the library.
**
** History:
** Feb 91 Written Tim Berners-Lee CERN/CN
** Apr 91 vms-vms access included using DECnet syntax
** 26 Jun 92 (JFG) When running over DECnet, suppressed FTP.
** Fixed access bug for relative names on VMS.
** Sep 93 (MD) Access to VMS files allows sharing.
** 15 Nov 93 (MD) Moved HTVMSname to HTVMSUTILS.C
** 27 Dec 93 (FM) FTP now works with VMS hosts.
** FTP path must be Unix-style and cannot include
** the device or top directory.
*/
#include <HTUtils.h>
#ifndef VMS
#ifdef DOSPATH
#undef LONG_LIST
#define LONG_LIST /* Define this for long style unix listings (ls -l),
the actual style is configurable from lynx.cfg */
#endif
/* #define NO_PARENT_DIR_REFERENCE */ /* Define this for no parent links */
#endif /* !VMS */
#ifdef DOSPATH
#define HAVE_READDIR 1
#define USE_DIRENT
#include <HTDOS.h>
#endif /* DOSPATH */
#include <HTFile.h> /* Implemented here */
#ifdef VMS
#include <stat.h>
#endif /* VMS */
#ifdef USE_ZLIB
#include <GridText.h>
#endif
#define MULTI_SUFFIX ".multi" /* Extension for scanning formats */
#include <HTParse.h>
#include <HTTCP.h>
#ifndef DECNET
#include <HTFTP.h>
#endif /* !DECNET */
#include <HTAnchor.h>
#include <HTAtom.h>
#include <HTAAProt.h>
#include <HTFWriter.h>
#include <HTInit.h>
#include <HTBTree.h>
#include <HTAlert.h>
#include <HTCJK.h>
#include <UCDefs.h>
#include <UCMap.h>
#include <UCAux.h>
#include <LYexit.h>
#include <LYCharSets.h>
#include <LYGlobalDefs.h>
#include <LYStrings.h>
#include <LYUtils.h>
#include <LYLeaks.h>
typedef struct _HTSuffix {
char * suffix;
HTAtom * rep;
HTAtom * encoding;
char * desc;
float quality;
} HTSuffix;
#ifndef NGROUPS
#ifdef NGROUPS_MAX
#define NGROUPS NGROUPS_MAX
#else
#define NGROUPS 32
#endif /* NGROUPS_MAX */
#endif /* NGROUPS */
#ifndef GETGROUPS_T
#define GETGROUPS_T int
#endif
#include <HTML.h> /* For directory object building */
#define PUTC(c) (*target->isa->put_character)(target, c)
#define PUTS(s) (*target->isa->put_string)(target, s)
#define START(e) (*target->isa->start_element)(target, e, 0, 0, -1, 0)
#define END(e) (*target->isa->end_element)(target, e, 0)
#define MAYBE_END(e) if (HTML_dtd.tags[e].contents != SGML_EMPTY) \
(*target->isa->end_element)(target, e, 0)
#define FREE_TARGET (*target->isa->_free)(target)
#define ABORT_TARGET (*targetClass._abort)(target, NULL);
struct _HTStructured {
CONST HTStructuredClass * isa;
/* ... */
};
/*
** Controlling globals.
*/
PUBLIC int HTDirAccess = HT_DIR_OK;
#ifdef DIRED_SUPPORT
PUBLIC int HTDirReadme = HT_DIR_README_NONE;
#else
PUBLIC int HTDirReadme = HT_DIR_README_TOP;
#endif /* DIRED_SUPPORT */
extern BOOL HTPassEightBitRaw;
PRIVATE char *HTMountRoot = "/Net/"; /* Where to find mounts */
#ifdef VMS
PRIVATE char *HTCacheRoot = "/WWW$SCRATCH"; /* Where to cache things */
#else
PRIVATE char *HTCacheRoot = "/tmp/W3_Cache_"; /* Where to cache things */
#endif /* VMS */
/*PRIVATE char *HTSaveRoot = "$(HOME)/WWW/";*/ /* Where to save things */
/*
** Suffix registration.
*/
PRIVATE HTList * HTSuffixes = 0;
PRIVATE HTSuffix no_suffix = { "*", NULL, NULL, NULL, 1.0 };
PRIVATE HTSuffix unknown_suffix = { "*.*", NULL, NULL, NULL, 1.0};
/* To free up the suffixes at program exit.
** ----------------------------------------
*/
#ifdef LY_FIND_LEAKS
PRIVATE void free_suffixes NOPARAMS;
#endif
#ifdef LONG_LIST
PRIVATE char *FormatStr ARGS3(
char **, bufp,
char *, start,
CONST char *, entry)
{
char fmt[512];
if (*start) {
sprintf(fmt, "%%%.*ss", (int) sizeof(fmt) - 3, start);
HTSprintf0(bufp, fmt, entry);
} else if (*bufp && !(entry && *entry)) {
**bufp = '\0';
} else if (entry) {
StrAllocCopy(*bufp, entry);
}
return *bufp;
}
PRIVATE char *FormatNum ARGS3(
char **, bufp,
char *, start,
int, entry)
{
char fmt[512];
if (*start) {
sprintf(fmt, "%%%.*sd", (int) sizeof(fmt) - 3, start);
HTSprintf0(bufp, fmt, entry);
} else {
sprintf(fmt, "%d", entry);
StrAllocCopy(*bufp, fmt);
}
return *bufp;
}
PRIVATE void LYListFmtParse ARGS5(
char *, fmtstr,
char *, file,
HTStructured *, target,
char *, entry,
char *, tail)
{
char c;
char *s;
char *end;
char *start;
char *str = NULL;
struct stat st;
char *buf = NULL;
char tmp[LY_MAXPATH];
char tmp2[LY_MAXPATH];
char type;
#ifndef _WINDOWS
char *name;
#endif
time_t now;
char *datestr;
#ifdef S_IFLNK
int len;
#endif
#define SEC_PER_YEAR (60 * 60 * 24 * 365)
#ifdef _WINDOWS /* 1998/01/06 (Tue) 21:20:53 */
static char *pbits[] = {
"---", "--x", "-w-", "-wx",
"r--", "r-x", "rw-", "rwx",
0 };
#define PBIT(a, n, s) pbits[((a) >> (n)) & 0x7]
#else
static char *pbits[] = { "---", "--x", "-w-", "-wx",
"r--", "r-x", "rw-", "rwx", 0 };
static char *psbits[] = { "--S", "--s", "-wS", "-ws",
"r-S", "r-s", "rwS", "rws", 0 };
#define PBIT(a, n, s) (s) ? psbits[((a) >> (n)) & 0x7] : \
pbits[((a) >> (n)) & 0x7]
#endif
#ifdef S_ISVTX
static char *ptbits[] = { "--T", "--t", "-wT", "-wt",
"r-T", "r-t", "rwT", "rwt", 0 };
#define PTBIT(a, s) (s) ? ptbits[(a) & 0x7] : pbits[(a) & 0x7]
#else
#define PTBIT(a, s) PBIT(a, 0, 0)
#endif
strcpy(tmp2, file);
LYTrimPathSep (tmp2);
if (lstat(tmp2, &st) < 0)
fmtstr = " %a"; /* can't stat so just do anchor */
StrAllocCopy(str, fmtstr);
s = str;
end = str + strlen(str);
START(HTML_PRE);
while (*s) {
start = s;
while (*s) {
if (*s == '%') {
if (*(s+1) == '%') /* literal % */
s++;
else
break;
}
s++;
}
/* s is positioned either at a % or at \0 */
*s = '\0';
if (s > start) { /* some literal chars. */
PUTS(start);
}
if (s == end)
break;
start = ++s;
while (isdigit(UCH(*s)) || *s == '.' || *s == '-' || *s == ' ' ||
*s == '#' || *s == '+' || *s == '\'')
s++;
c = *s; /* the format char. or \0 */
*s = '\0';
switch (c) {
case '\0':
PUTS(start);
continue;
case 'A':
case 'a': /* anchor */
HTDirEntry(target, tail, entry);
FormatStr(&buf, start, entry);
PUTS(buf);
END(HTML_A);
*buf = '\0';
#ifdef S_IFLNK
if (c != 'A' && S_ISLNK(st.st_mode) &&
(len = readlink(file, tmp, sizeof(tmp))) >= 0) {
PUTS(" -> ");
tmp[len] = '\0';
PUTS(tmp);
}
#endif
break;
case 'T': /* MIME type */
case 't': /* MIME type description */
if (S_ISDIR(st.st_mode)) {
if (c != 'T') {
FormatStr(&buf, start, ENTRY_IS_DIRECTORY);
} else {
FormatStr(&buf, start, "");
}
} else {
CONST char *cp2;
HTFormat format;
format = HTFileFormat(file, NULL, &cp2);
if (c != 'T') {
if (cp2 == NULL) {
if (!strncmp(HTAtom_name(format),
"application",11)) {
cp2 = HTAtom_name(format) + 12;
if (!strncmp(cp2,"x-",2))
cp2 += 2;
} else {
cp2 = HTAtom_name(format);
}
}
FormatStr(&buf, start, cp2);
} else {
FormatStr(&buf, start, HTAtom_name(format));
}
}
break;
case 'd': /* date */
now = time(0);
datestr = ctime(&st.st_mtime);
if ((now - st.st_mtime) < SEC_PER_YEAR/2)
/*
** MMM DD HH:MM
*/
sprintf(tmp, "%.12s", datestr + 4);
else
/*
** MMM DD YYYY
*/
sprintf(tmp, "%.7s %.4s ", datestr + 4,
datestr + 20);
FormatStr(&buf, start, tmp);
break;
case 's': /* size in bytes */
FormatNum(&buf, start, (int) st.st_size);
break;
case 'K': /* size in Kilobytes but not for directories */
if (S_ISDIR(st.st_mode)) {
FormatStr(&buf, start, "");
break;
}
/* FALL THROUGH */
case 'k': /* size in Kilobytes */
FormatNum(&buf, start, (int)((st.st_size+1023)/1024));
StrAllocCat(buf, "K");
break;
case 'p': /* unix-style permission bits */
switch(st.st_mode & S_IFMT) {
#if defined(_MSC_VER) && defined(_S_IFIFO)
case _S_IFIFO: type = 'p'; break;
#else
case S_IFIFO: type = 'p'; break;
#endif
case S_IFCHR: type = 'c'; break;
case S_IFDIR: type = 'd'; break;
case S_IFREG: type = '-'; break;
#ifdef S_IFBLK
case S_IFBLK: type = 'b'; break;
#endif
#ifdef S_IFLNK
case S_IFLNK: type = 'l'; break;
#endif
#ifdef S_IFSOCK
# ifdef S_IFIFO /* some older machines (e.g., apollo) have a conflict */
# if S_IFIFO != S_IFSOCK
case S_IFSOCK: type = 's'; break;
# endif
# else
case S_IFSOCK: type = 's'; break;
# endif
#endif /* S_IFSOCK */
default: type = '?'; break;
}
#ifdef _WINDOWS
sprintf(tmp, "%c%s", type,
PBIT(st.st_mode, 6, st.st_mode & S_IRWXU));
#else
sprintf(tmp, "%c%s%s%s", type,
PBIT(st.st_mode, 6, st.st_mode & S_ISUID),
PBIT(st.st_mode, 3, st.st_mode & S_ISGID),
PTBIT(st.st_mode, st.st_mode & S_ISVTX));
#endif
FormatStr(&buf, start, tmp);
break;
#ifdef _WINDOWS
case 'o': /* owner */
case 'g': /* group */
break;
#else
case 'o': /* owner */
name = HTAA_UidToName (st.st_uid);
if (*name) {
FormatStr(&buf, start, name);
} else {
FormatNum(&buf, start, (int) st.st_uid);
}
break;
case 'g': /* group */
name = HTAA_GidToName(st.st_gid);
if (*name) {
FormatStr(&buf, start, name);
} else {
FormatNum(&buf, start, (int) st.st_gid);
}
break;
#endif
case 'l': /* link count */
FormatNum(&buf, start, (int) st.st_nlink);
break;
case '%': /* literal % with flags/width */
FormatStr(&buf, start, "%");
break;
default:
fprintf(stderr,
"Unknown format character `%c' in list format\n", c);
break;
}
if (buf)
PUTS(buf);
s++;
}
FREE(buf);
END(HTML_PRE);
PUTC('\n');
FREE(str);
}
#endif /* LONG_LIST */
/* Define the representation associated with a file suffix.
** --------------------------------------------------------
**
** Calling this with suffix set to "*" will set the default
** representation.
** Calling this with suffix set to "*.*" will set the default
** representation for unknown suffix files which contain a ".".
**
** The encoding parameter can give a trivial (8bit, 7bit, binary)
** or real (gzip, compress) encoding.
**
** If filename suffix is already defined with the same encoding
** its previous definition is overridden.
*/
PUBLIC void HTSetSuffix5 ARGS5(
CONST char *, suffix,
CONST char *, representation,
CONST char *, encoding,
CONST char *, desc,
double, value)
{
HTSuffix * suff;
BOOL trivial_enc = (BOOL) IsUnityEncStr(encoding);
if (strcmp(suffix, "*") == 0)
suff = &no_suffix;
else if (strcmp(suffix, "*.*") == 0)
suff = &unknown_suffix;
else {
HTList *cur = HTSuffixes;
while (NULL != (suff = (HTSuffix*)HTList_nextObject(cur))) {
if (suff->suffix && 0 == strcmp(suff->suffix, suffix) &&
((trivial_enc && IsUnityEnc(suff->encoding)) ||
(!trivial_enc && !IsUnityEnc(suff->encoding) &&
strcmp(encoding, HTAtom_name(suff->encoding)) == 0)))
break;
}
if (!suff) { /* Not found -- create a new node */
suff = typecalloc(HTSuffix);
if (suff == NULL)
outofmem(__FILE__, "HTSetSuffix");
/*
** Memory leak fixed.
** 05-28-94 Lynx 2-3-1 Garrett Arch Blythe
*/
if (!HTSuffixes) {
HTSuffixes = HTList_new();
#ifdef LY_FIND_LEAKS
atexit(free_suffixes);
#endif
}
HTList_addObject(HTSuffixes, suff);
StrAllocCopy(suff->suffix, suffix);
}
}
if (representation)
suff->rep = HTAtom_for(representation);
/*
** Memory leak fixed.
** 05-28-94 Lynx 2-3-1 Garrett Arch Blythe
** Invariant code removed.
*/
suff->encoding = HTAtom_for(encoding);
StrAllocCopy(suff->desc, desc);
suff->quality = (float) value;
}
#ifdef LY_FIND_LEAKS
/*
** Purpose: Free all added suffixes.
** Arguments: void
** Return Value: void
** Remarks/Portability/Dependencies/Restrictions:
** To be used at program exit.
** Revision History:
** 05-28-94 created Lynx 2-3-1 Garrett Arch Blythe
*/
PRIVATE void free_suffixes NOARGS
{
HTSuffix * suff = NULL;
/*
** Loop through all suffixes.
*/
while (!HTList_isEmpty(HTSuffixes)) {
/*
** Free off each item and its members if need be.
*/
suff = (HTSuffix *)HTList_removeLastObject(HTSuffixes);
FREE(suff->suffix);
FREE(suff->desc);
FREE(suff);
}
/*
** Free off the list itself.
*/
HTList_delete(HTSuffixes);
HTSuffixes = NULL;
}
#endif /* LY_FIND_LEAKS */
/* Make the cache file name for a W3 document.
** -------------------------------------------
** Make up a suitable name for saving the node in
**
** E.g. /tmp/WWW_Cache_news/1234@cernvax.cern.ch
** /tmp/WWW_Cache_http/crnvmc/FIND/xx.xxx.xx
**
** On exit:
** Returns a malloc'ed string which must be freed by the caller.
*/
PUBLIC char * HTCacheFileName ARGS1(
CONST char *, name)
{
char * acc_method = HTParse(name, "", PARSE_ACCESS);
char * host = HTParse(name, "", PARSE_HOST);
char * path = HTParse(name, "", PARSE_PATH+PARSE_PUNCTUATION);
char * result = NULL;
HTSprintf0(&result, "%s/WWW/%s/%s%s", HTCacheRoot, acc_method, host, path);
FREE(path);
FREE(acc_method);
FREE(host);
return result;
}
/* Open a file for write, creating the path.
** -----------------------------------------
*/
#ifdef NOT_IMPLEMENTED
PRIVATE int HTCreatePath ARGS1(CONST char *,path)
{
return -1;
}
#endif /* NOT_IMPLEMENTED */
/* Convert filename from URL-path syntax to local path format
** ----------------------------------------------------------
** Input name is assumed to be the URL-path of a local file
** URL, i.e. what comes after the "file://localhost".
** '#'-fragments to be treated as such must already be stripped.
** If expand_all is FALSE, unescape only escaped '/'. - kw
**
** On exit:
** Returns a malloc'ed string which must be freed by the caller.
*/
PUBLIC char * HTURLPath_toFile ARGS2(
CONST char *, name,
BOOL, expand_all)
{
char * path = NULL;
char * result = NULL;
StrAllocCopy(path, name);
if (expand_all)
HTUnEscape(path); /* Interpret all % signs */
else
HTUnEscapeSome(path, "/"); /* Interpret % signs for path delims */
CTRACE((tfp, "URLPath `%s' means path `%s'\n", name, path));
#ifdef DOSPATH
StrAllocCopy(result, HTDOS_name(path));
#else
#ifdef __EMX__
if (path[0] == '/'
&& isalpha(path[1])
&& path[2] == ':') /* pesky leading slash */
StrAllocCopy(result, path+1);
else
StrAllocCopy(result, path);
CTRACE((tfp, "EMX hack changed `%s' to `%s'\n", path, result));
#else
StrAllocCopy(result, path);
#endif /* __EMX__ */
#endif /* DOSPATH */
FREE(path);
return result;
}
/* Convert filenames between local and WWW formats.
** ------------------------------------------------
** Make up a suitable name for saving the node in
**
** E.g. $(HOME)/WWW/news/1234@cernvax.cern.ch
** $(HOME)/WWW/http/crnvmc/FIND/xx.xxx.xx
**
** On exit:
** Returns a malloc'ed string which must be freed by the caller.
*/
/* NOTE: Don't use this function if you know that the input is a URL path
rather than a full URL, use HTURLPath_toFile instead. Otherwise
this function will return the wrong thing for some unusual
paths (like ones containing "//", possibly escaped). - kw
*/
PUBLIC char * HTnameOfFile_WWW ARGS3(
CONST char *, name,
BOOL, WWW_prefix,
BOOL, expand_all)
{
char * acc_method = HTParse(name, "", PARSE_ACCESS);
char * host = HTParse(name, "", PARSE_HOST);
char * path = HTParse(name, "", PARSE_PATH+PARSE_PUNCTUATION);
char * home;
char * result = NULL;
if (expand_all) {
HTUnEscape(path); /* Interpret all % signs */
} else
HTUnEscapeSome(path, "/"); /* Interpret % signs for path delims */
if (0 == strcmp(acc_method, "file") /* local file */
|| !*acc_method) { /* implicitly local? */
if ((0 == strcasecomp(host, HTHostName())) ||
(0 == strcasecomp(host, "localhost")) || !*host) {
CTRACE((tfp, "Node `%s' means path `%s'\n", name, path));
#ifdef DOSPATH
StrAllocCopy(result, HTDOS_name(path));
#else
#ifdef __EMX__
if (path[0] == '/'
&& isalpha(path[1])
&& path[2] == ':') /* pesky leading slash */
StrAllocCopy(result, path+1);
else
StrAllocCopy(result, path);
CTRACE((tfp, "EMX hack changed `%s' to `%s'\n", path, result));
#else
StrAllocCopy(result, path);
#endif /* __EMX__ */
#endif /* DOSPATH */
} else if (WWW_prefix) {
HTSprintf0(&result, "%s%s%s", "/Net/", host, path);
CTRACE((tfp, "Node `%s' means file `%s'\n", name, result));
} else {
StrAllocCopy(result, path);
}
} else if (WWW_prefix) { /* other access */
#ifdef VMS
if ((home = getenv("HOME")) == 0)
home = HTCacheRoot;
else
home = HTVMS_wwwName(home);
#else
#if defined(_WINDOWS) /* 1997/10/16 (Thu) 20:42:51 */
home = (char *)Home_Dir();
#else
home = getenv("HOME");
#endif
if (home == 0)
home = "/tmp";
#endif /* VMS */
HTSprintf0(&result, "%s/WWW/%s/%s%s", home, acc_method, host, path);
} else {
StrAllocCopy(result, path);
}
FREE(host);
FREE(path);
FREE(acc_method);
CTRACE((tfp, "HTnameOfFile_WWW(%s,%d,%d) = %s\n",
name, WWW_prefix, expand_all, result));
return result;
}
/* Make a WWW name from a full local path name.
** --------------------------------------------
**
** Bugs:
** At present, only the names of two network root nodes are hand-coded
** in and valid for the NeXT only. This should be configurable in
** the general case.
*/
PUBLIC char * WWW_nameOfFile ARGS1(
CONST char *, name)
{
char * result = NULL;
#ifdef NeXT
if (0 == strncmp("/private/Net/", name, 13)) {
HTSprintf0(&result, "file://%s", name+13);
} else
#endif /* NeXT */
if (0 == strncmp(HTMountRoot, name, 5)) {
HTSprintf0(&result, "file://%s", name+5);
} else {
HTSprintf0(&result, "file://%s%s", HTHostName(), name);
}
CTRACE((tfp, "File `%s'\n\tmeans node `%s'\n", name, result));
return result;
}
/* Determine a suitable suffix, given the representation.
** ------------------------------------------------------
**
** On entry,
** rep is the atomized MIME style representation
** enc is an encoding, trivial (8bit, binary, etc.) or gzip etc.
**
** On exit:
** Returns a pointer to a suitable suffix string if one has been
** found, else "".
*/
PUBLIC CONST char * HTFileSuffix ARGS2(
HTAtom*, rep,
CONST char *, enc)
{
HTSuffix * suff;
#ifdef FNAMES_8_3
HTSuffix * first_found = NULL;
#endif
BOOL trivial_enc;
int n;
int i;
#define NO_INIT /* don't init anymore since I do it in Lynx at startup */
#ifndef NO_INIT
if (!HTSuffixes)
HTFileInit();
#endif /* !NO_INIT */
trivial_enc = (BOOL) IsUnityEncStr(enc);
n = HTList_count(HTSuffixes);
for (i = 0; i < n; i++) {
suff = (HTSuffix *)HTList_objectAt(HTSuffixes, i);
if (suff->rep == rep &&
#if defined(VMS) || defined(FNAMES_8_3)
/* Don't return a suffix whose first char is a dot, and which
has more dots or asterisks after that, for
these systems - kw */
(!suff->suffix || !suff->suffix[0] || suff->suffix[0] != '.' ||
(strchr(suff->suffix + 1, '.') == NULL &&
strchr(suff->suffix + 1, '*') == NULL)) &&
#endif
((trivial_enc && IsUnityEnc(suff->encoding)) ||
(!trivial_enc && !IsUnityEnc(suff->encoding) &&
strcmp(enc, HTAtom_name(suff->encoding)) == 0))) {
#ifdef FNAMES_8_3
if (suff->suffix && (strlen(suff->suffix) <= 4)) {
/*
* If length of suffix (including dot) is 4 or smaller,
* return this one even if we found a longer one
* earlier - kw
*/
return suff->suffix;
} else if (!first_found) {
first_found = suff; /* remember this one */
}
#else
return suff->suffix; /* OK -- found */
#endif
}
}
#ifdef FNAMES_8_3
if (first_found)
return first_found->suffix;
#endif
return ""; /* Dunno */
}
/* Determine file format from file name.
** -------------------------------------
**
** This version will return the representation and also set
** a variable for the encoding.
**
** Encoding may be a unity encoding (binary, 8bit, etc.) or
** a content-coding like gzip, compress.
**
** It will handle for example x.txt, x.txt,Z, x.Z
*/
PUBLIC HTFormat HTFileFormat ARGS3(
CONST char *, filename,
HTAtom **, pencoding,
CONST char**, pdesc)
{
HTSuffix * suff;
int n;
int i;
int lf;
#ifdef VMS
char *semicolon = NULL;
#endif /* VMS */
if (pencoding)
*pencoding = NULL;
if (pdesc)
*pdesc = NULL;
if (LYforce_HTML_mode) {
if (pencoding)
*pencoding = WWW_ENC_8BIT;
return WWW_HTML;
}
#ifdef VMS
/*
** Trim at semicolon if a version number was
** included, so it doesn't interfere with the
** code for getting the MIME type. - FM
*/
if ((semicolon = strchr(filename, ';')) != NULL)
*semicolon = '\0';
#endif /* VMS */
#ifndef NO_INIT
if (!HTSuffixes)
HTFileInit();
#endif /* !NO_INIT */
lf = strlen(filename);
n = HTList_count(HTSuffixes);
for (i = 0; i < n; i++) {
int ls;
suff = (HTSuffix *)HTList_objectAt(HTSuffixes, i);
ls = strlen(suff->suffix);
if ((ls <= lf) && 0 == strcasecomp(suff->suffix, filename + lf - ls)) {
int j;
if (pencoding)
*pencoding = suff->encoding;
if (pdesc)
*pdesc = suff->desc;
if (suff->rep) {
#ifdef VMS
if (semicolon != NULL)
*semicolon = ';';
#endif /* VMS */
return suff->rep; /* OK -- found */
}
for (j = 0; j < n; j++) { /* Got encoding, need representation */
int ls2;
suff = (HTSuffix *)HTList_objectAt(HTSuffixes, j);
ls2 = strlen(suff->suffix);
if ((ls + ls2 <= lf) && 0 == strncasecomp(
suff->suffix, filename + lf - ls -ls2, ls2)) {
if (suff->rep) {
if (pdesc && !(*pdesc))
*pdesc = suff->desc;
if (pencoding && IsUnityEnc(*pencoding) &&
*pencoding != WWW_ENC_7BIT &&
!IsUnityEnc(suff->encoding))
*pencoding = suff->encoding;
#ifdef VMS
if (semicolon != NULL)
*semicolon = ';';
#endif /* VMS */
return suff->rep;
}
}
}
}
}
/* defaults tree */
suff = strchr(filename, '.') ? /* Unknown suffix */
( unknown_suffix.rep ? &unknown_suffix : &no_suffix)
: &no_suffix;
/*
** Set default encoding unless found with suffix already.
*/
if (pencoding && !*pencoding)
*pencoding = suff->encoding ? suff->encoding
: HTAtom_for("binary");
#ifdef VMS
if (semicolon != NULL)
*semicolon = ';';
#endif /* VMS */
return suff->rep ? suff->rep : WWW_BINARY;
}
/* Revise the file format in relation to the Lynx charset. - FM
** -------------------------------------------------------
**
** This checks the format associated with an anchor for
** an extended MIME Content-Type, and if a charset is
** indicated, sets Lynx up for proper handling in relation
** to the currently selected character set. - FM
*/
PUBLIC HTFormat HTCharsetFormat ARGS3(
HTFormat, format,
HTParentAnchor *, anchor,
int, default_LYhndl)
{
char *cp = NULL, *cp1, *cp2, *cp3 = NULL, *cp4;
BOOL chartrans_ok = FALSE;
int chndl = -1;
FREE(anchor->charset);
StrAllocCopy(cp, format->name);
LYLowerCase(cp);
if (((cp1 = strchr(cp, ';')) != NULL) &&
(cp2 = strstr(cp1, "charset")) != NULL) {
CTRACE((tfp, "HTCharsetFormat: Extended MIME Content-Type is %s\n",
format->name));
cp2 += 7;
while (*cp2 == ' ' || *cp2 == '=')
cp2++;
StrAllocCopy(cp3, cp2); /* copy to mutilate more */
for (cp4 = cp3; (*cp4 != '\0' && *cp4 != '"' &&
*cp4 != ';' && *cp4 != ':' &&
!WHITE(*cp4)); cp4++) {
; /* do nothing */
}
*cp4 = '\0';
cp4 = cp3;
chndl = UCGetLYhndl_byMIME(cp3);
if (UCCanTranslateFromTo(chndl, current_char_set)) {
chartrans_ok = YES;
*cp1 = '\0';
format = HTAtom_for(cp);
StrAllocCopy(anchor->charset, cp4);
HTAnchor_setUCInfoStage(anchor, chndl,
UCT_STAGE_MIME,
UCT_SETBY_MIME);
} else if (chndl < 0) {
/*
** Got something but we don't recognize it.
*/
chndl = UCLYhndl_for_unrec;
if (chndl < 0)
/*
** UCLYhndl_for_unrec not defined :-(
** fallback to UCLYhndl_for_unspec which always valid.
*/
chndl = UCLYhndl_for_unspec; /* always >= 0 */
if (UCCanTranslateFromTo(chndl, current_char_set)) {
chartrans_ok = YES;
HTAnchor_setUCInfoStage(anchor, chndl,
UCT_STAGE_MIME,
UCT_SETBY_DEFAULT);
}
}
if (chartrans_ok) {
LYUCcharset *p_in = HTAnchor_getUCInfoStage(anchor,
UCT_STAGE_MIME);
LYUCcharset *p_out = HTAnchor_setUCInfoStage(anchor,
current_char_set,
UCT_STAGE_HTEXT,
UCT_SETBY_DEFAULT);
if (!p_out) {
/*
** Try again.
*/
p_out = HTAnchor_getUCInfoStage(anchor, UCT_STAGE_HTEXT);
}
if (!strcmp(p_in->MIMEname, "x-transparent")) {
HTPassEightBitRaw = TRUE;
HTAnchor_setUCInfoStage(anchor,
HTAnchor_getUCLYhndl(anchor,
UCT_STAGE_HTEXT),
UCT_STAGE_MIME,
UCT_SETBY_DEFAULT);
}
if (!strcmp(p_out->MIMEname, "x-transparent")) {
HTPassEightBitRaw = TRUE;
HTAnchor_setUCInfoStage(anchor,
HTAnchor_getUCLYhndl(anchor,
UCT_STAGE_MIME),
UCT_STAGE_HTEXT,
UCT_SETBY_DEFAULT);
}
if (p_in->enc != UCT_ENC_CJK) {
HTCJK = NOCJK;
if (!(p_in->codepoints &
UCT_CP_SUBSETOF_LAT1) &&
chndl == current_char_set) {
HTPassEightBitRaw = TRUE;
}
} else if (p_out->enc == UCT_ENC_CJK) {
Set_HTCJK(p_in->MIMEname, p_out->MIMEname);
}
} else {
/*
** Cannot translate.
** If according to some heuristic the given
** charset and the current display character
** both are likely to be like ISO-8859 in
** structure, pretend we have some kind
** of match.
*/
BOOL given_is_8859
= (BOOL) (!strncmp(cp4, "iso-8859-", 9) &&
isdigit(UCH(cp4[9])));
BOOL given_is_8859like
= (BOOL) (given_is_8859 ||
!strncmp(cp4, "windows-", 8) ||
!strncmp(cp4, "cp12", 4) ||
!strncmp(cp4, "cp-12", 5));
BOOL given_and_display_8859like
= (BOOL) (given_is_8859like &&
(strstr(LYchar_set_names[current_char_set],
"ISO-8859") ||
strstr(LYchar_set_names[current_char_set],
"windows-")));
if (given_and_display_8859like) {
*cp1 = '\0';
format = HTAtom_for(cp);
}
if (given_is_8859) {
cp1 = &cp4[10];
while (*cp1 &&
isdigit(UCH(*cp1)))
cp1++;
*cp1 = '\0';
}
if (given_and_display_8859like) {
StrAllocCopy(anchor->charset, cp4);
HTPassEightBitRaw = TRUE;
}
HTAlert(*cp4 ? cp4 : anchor->charset);
}
FREE(cp3);
} else if (cp1 != NULL) {
/*
** No charset parameter is present.
** Ignore all other parameters, as
** we do when charset is present. - FM
*/
*cp1 = '\0';
format = HTAtom_for(cp);
}
FREE(cp);
/*
** Set up defaults, if needed. - FM
*/
if (!chartrans_ok && !anchor->charset && default_LYhndl >= 0) {
HTAnchor_setUCInfoStage(anchor, default_LYhndl,
UCT_STAGE_MIME,
UCT_SETBY_DEFAULT);
}
HTAnchor_copyUCInfoStage(anchor,
UCT_STAGE_PARSER,
UCT_STAGE_MIME,
-1);
return format;
}
/* Get various pieces of meta info from file name.
** -----------------------------------------------
**
** LYGetFileInfo fills in information that can be determined without
** an actual (new) access to the filesystem, based on current suffix
** and character set configuration. If the file has been loaded and
** parsed before (with the same URL generated here!) and the anchor
** is still around, some results may be influenced by that (in
** particular, charset info from a META tag - this is not actually
** tested!).
** The caller should not keep pointers to the returned objects around
** for too long, the valid lifetimes vary. In particular, the returned
** charset string should be copied if necessary. If return of the
** file_anchor is requested, that one can be used to retrieve
** additional bits of info that are stored in the anchor object and
** are not covered here; as usual, don't keep pointers to the
** file_anchor longer than necessary since the object may disappear
** through HTuncache_current_document or at the next document load.
** - kw
*/
PUBLIC void LYGetFileInfo ARGS7(
CONST char *, filename,
HTParentAnchor **, pfile_anchor,
HTFormat *, pformat,
HTAtom **, pencoding,
CONST char**, pdesc,
CONST char**, pcharset,
int *, pfile_cs)
{
char *Afn;
char *Aname = NULL;
HTFormat format;
HTAtom * myEnc = NULL;
HTParentAnchor *file_anchor;
CONST char *file_csname;
int file_cs;
/*
* Convert filename to URL. Note that it is always supposed to
* be a filename, not maybe-filename-maybe-URL, so we don't
* use LYFillLocalFileURL and LYEnsureAbsoluteURL. - kw
*/
Afn = HTEscape(filename, URL_PATH);
LYLocalFileToURL(&Aname, Afn);
file_anchor = HTAnchor_parent(HTAnchor_findSimpleAddress(Aname));
file_csname = file_anchor->charset;
format = HTFileFormat(filename, &myEnc, pdesc);
format = HTCharsetFormat(format, file_anchor, UCLYhndl_HTFile_for_unspec);
file_cs = HTAnchor_getUCLYhndl(file_anchor, UCT_STAGE_MIME);
if (!file_csname) {
if (file_cs >= 0)
file_csname = LYCharSet_UC[file_cs].MIMEname;
else file_csname = "display character set";
}
CTRACE((tfp, "GetFileInfo: '%s' is a%s %s %s file, charset=%s (%d).\n",
filename,
((myEnc && *HTAtom_name(myEnc) == '8') ? "n" : myEnc ? "" :
*HTAtom_name(format) == 'a' ? "n" : ""),
myEnc ? HTAtom_name(myEnc) : "",
HTAtom_name(format),
file_csname,
file_cs));
FREE(Afn);
FREE(Aname);
if (pfile_anchor)
*pfile_anchor = file_anchor;
if (pformat)
*pformat = format;
if (pencoding)
*pencoding = myEnc;
if (pcharset)
*pcharset = file_csname;
if (pfile_cs)
*pfile_cs = file_cs;
}
/* Determine value from file name.
** -------------------------------
**
*/
PUBLIC float HTFileValue ARGS1(
CONST char *, filename)
{
HTSuffix * suff;
int n;
int i;
int lf = strlen(filename);
#ifndef NO_INIT
if (!HTSuffixes)
HTFileInit();
#endif /* !NO_INIT */
n = HTList_count(HTSuffixes);
for (i = 0; i < n; i++) {
int ls;
suff = (HTSuffix *)HTList_objectAt(HTSuffixes, i);
ls = strlen(suff->suffix);
if ((ls <= lf) && 0==strcmp(suff->suffix, filename + lf - ls)) {
CTRACE((tfp, "File: Value of %s is %.3f\n",
filename, suff->quality));
return suff->quality; /* OK -- found */
}
}
return (float)0.3; /* Dunno! */
}
/*
** Determine compression type from file name, by looking at its suffix.
** Sets as side-effect a pointer to the "dot" that begins the suffix.
*/
PUBLIC CompressFileType HTCompressFileType ARGS3(
char *, filename,
char *, dots,
char **, suffix)
{
CompressFileType result = cftNone;
size_t len = strlen(filename);
char *ftype = filename + len;
if ((len > 4)
&& !strcasecomp((ftype - 3), "bz2")
&& strchr(dots, ftype[-4]) != 0) {
result = cftBzip2;
ftype -= 4;
} else if ((len > 3)
&& !strcasecomp((ftype - 2), "gz")
&& strchr(dots, ftype[-3]) != 0) {
result = cftGzip;
ftype -= 3;
} else if ((len > 2)
&& !strcmp((ftype - 1), "Z")
&& strchr(dots, ftype[-2]) != 0) {
result = cftCompress;
ftype -= 2;
}
*suffix = ftype;
CTRACE((tfp, "HTCompressFileType(%s) returns %d:%s\n",
filename, result, *suffix));
return result;
}
/* Determine write access to a file.
** ---------------------------------
**
** On exit:
** Returns YES if file can be accessed and can be written to.
**
** Bugs:
** 1. No code for non-unix systems.
** 2. Isn't there a quicker way?
*/
PUBLIC BOOL HTEditable ARGS1(
CONST char *, filename)
{
#ifndef NO_GROUPS
GETGROUPS_T groups[NGROUPS];
uid_t myUid;
int ngroups; /* The number of groups */
struct stat fileStatus;
int i;
if (stat(filename, &fileStatus)) /* Get details of filename */
return NO; /* Can't even access file! */
ngroups = getgroups(NGROUPS, groups); /* Groups to which I belong */
myUid = geteuid(); /* Get my user identifier */
if (TRACE) {
int i2;
fprintf(tfp,
"File mode is 0%o, uid=%d, gid=%d. My uid=%d, %d groups (",
(unsigned int) fileStatus.st_mode,
(int) fileStatus.st_uid,
(int) fileStatus.st_gid,
(int) myUid,
(int) ngroups);
for (i2 = 0; i2 < ngroups; i2++)
fprintf(tfp, " %d", (int) groups[i2]);
fprintf(tfp, ")\n");
}
if (fileStatus.st_mode & 0002) /* I can write anyway? */
return YES;
if ((fileStatus.st_mode & 0200) /* I can write my own file? */
&& (fileStatus.st_uid == myUid))
return YES;
if (fileStatus.st_mode & 0020) /* Group I am in can write? */
{
for (i = 0; i < ngroups; i++) {
if (groups[i] == fileStatus.st_gid)
return YES;
}
}
CTRACE((tfp, "\tFile is not editable.\n"));
#endif /* NO_GROUPS */
return NO; /* If no excuse, can't do */
}
/* Make a save stream.
** -------------------
**
** The stream must be used for writing back the file.
** @@@ no backup done
*/
PUBLIC HTStream * HTFileSaveStream ARGS1(
HTParentAnchor *, anchor)
{
CONST char * addr = HTAnchor_address((HTAnchor*)anchor);
char * localname = HTLocalName(addr);
FILE* fp = fopen(localname, BIN_W);
if (!fp)
return NULL;
return HTFWriter_new(fp);
}
/* Output one directory entry.
** ---------------------------
*/
PUBLIC void HTDirEntry ARGS3(
HTStructured *, target,
CONST char *, tail,
CONST char *, entry)
{
char * relative = NULL;
char * escaped = NULL;
int len;
if (0 == strcmp(entry,"../")) {
/*
** Undo slash appending for anchor creation.
*/
StrAllocCopy(escaped,"..");
} else {
escaped = HTEscape(entry, URL_XPALPHAS);
if (((len = strlen(escaped)) > 2) &&
escaped[(len - 3)] == '%' &&
escaped[(len - 2)] == '2' &&
TOUPPER(escaped[(len - 1)]) == 'F') {
escaped[(len - 3)] = '\0';
}
}
if (tail == NULL || *tail == '\0') {
/*
** Handle extra slash at end of path.
*/
HTStartAnchor(target, NULL, (escaped[0] != '\0' ? escaped : "/"));
} else {
/*
** If empty tail, gives absolute ref below.
*/
relative = 0;
HTSprintf0(&relative, "%s%s%s",
tail,
(*escaped != '\0' ? "/" : ""),
escaped);
HTStartAnchor(target, NULL, relative);
FREE(relative);
}
FREE(escaped);
}
/* Output parent directory entry.
** ------------------------------
**
** This gives the TITLE and H1 header, and also a link
** to the parent directory if appropriate.
**
** On exit:
** Returns TRUE if an "Up to <parent>" link was not created
** for a readable local directory because LONG_LIST is defined
** and NO_PARENT_DIR_REFERENCE is not defined, so that the
** calling function should use LYListFmtParse() to create a link
** to the parent directory. Otherwise, it returns FALSE. - FM
*/
PUBLIC BOOL HTDirTitles ARGS3(
HTStructured *, target,
HTAnchor *, anchor,
BOOL, tildeIsTop)
{
char * logical = HTAnchor_address(anchor);
char * path = HTParse(logical, "", PARSE_PATH + PARSE_PUNCTUATION);
char * current;
char * cp = NULL;
BOOL need_parent_link = FALSE;
int i;
#ifdef DOSPATH
BOOL local_link = FALSE;
if (strlen(logical) > 18 && logical[18] == ':') local_link = TRUE;
#endif
/*
** Check tildeIsTop for treating home directory as Welcome
** (assume the tilde is not followed by a username). - FM
*/
if (tildeIsTop && !strncmp(path, "/~", 2)) {
if (path[2] == '\0') {
path[1] = '\0';
} else {
for (i = 0; path[(i + 2)]; i++) {
path[i] = path[(i + 2)];
}
path[i] = '\0';
}
}
/*
** Trim out the ;type= parameter, if present. - FM
*/
if ((cp = strrchr(path, ';')) != NULL) {
if (!strncasecomp((cp+1), "type=", 5)) {
if (TOUPPER(*(cp+6)) == 'D' ||
TOUPPER(*(cp+6)) == 'A' ||
TOUPPER(*(cp+6)) == 'I')
*cp = '\0';
}
cp = NULL;
}
current = LYPathLeaf (path); /* last part or "" */
{
char * printable = NULL;
#ifdef DIRED_SUPPORT
printable = HTURLPath_toFile(
(0 == strncasecomp(path, "/%2F", 4)) /* "//" ? */
? (path+1)
: path,
TRUE);
if (0 == strncasecomp(printable, "/vmsysu:", 8) ||
0 == strncasecomp(printable, "/anonymou.", 10)) {
StrAllocCopy(cp, (printable+1));
StrAllocCopy(printable, cp);
FREE(cp);
}
#else
StrAllocCopy(printable, current);
HTUnEscape(printable);
#endif /* DIRED_SUPPORT */
START(HTML_HEAD);
PUTC('\n');
START(HTML_TITLE);
PUTS(*printable ? printable : WELCOME_MSG);
PUTS(SEGMENT_DIRECTORY);
END(HTML_TITLE);
PUTC('\n');
END(HTML_HEAD);
PUTC('\n');
#ifdef DIRED_SUPPORT
START(HTML_H2);
PUTS(*printable ? SEGMENT_CURRENT_DIR : "");
PUTS(*printable ? printable : WELCOME_MSG);
END(HTML_H2);
PUTC('\n');
#else
START(HTML_H1);
PUTS(*printable ? printable : WELCOME_MSG);
END(HTML_H1);
PUTC('\n');
#endif /* DIRED_SUPPORT */
if (((0 == strncasecomp(printable, "vmsysu:", 7)) &&
(cp = strchr(printable, '.')) != NULL &&
strchr(cp, '/') == NULL) ||
(0 == strncasecomp(printable, "anonymou.", 9) &&
strchr(printable, '/') == NULL)) {
FREE(printable);
FREE(logical);
FREE(path);
return(need_parent_link);
}
FREE(printable);
}
#ifndef NO_PARENT_DIR_REFERENCE
/*
** Make link back to parent directory.
*/
#ifdef DOSPATH
if (current != path) /* leave "/c:" alone */
#endif
if (current - path > 1
&& LYIsPathSep(current[-1])
&& current[0] != '\0') { /* was a slash AND something else too */
char * parent = NULL;
char * relative = NULL;
current[-1] = '\0';
parent = strrchr(path, '/'); /* penultimate slash */
if ((parent &&
(!strcmp(parent, "/..") ||
!strncasecomp(parent, "/%2F", 4))) ||
!strncasecomp(current, "%2F", 3)) {
FREE(logical);
FREE(path);
return(need_parent_link);
}
relative = 0;
HTSprintf0(&relative, "%s/..", current);
#ifdef DOSPATH
if (local_link) {
if (parent != 0 && strlen(parent) == 3 ) {
StrAllocCat(relative, "/.");
}
}
else
#endif
#if !defined (VMS)
{
/*
** On Unix, if it's not ftp and the directory cannot
** be read, don't put out a link.
**
** On VMS, this problem is dealt with internally by
** HTVMSBrowseDir().
*/
DIR * dp = NULL;
if (LYisLocalFile(logical)) {
/*
** We need an absolute file path for the opendir.
** We also need to unescape for this test.
** Don't worry about %2F now, they presumably have been
** dealt with above, and shouldn't appear for local
** files anyway... Assume OS / filesystem will just
** ignore superfluous slashes. - KW
*/
char * fullparentpath = NULL;
/*
** Path has been shortened above.
*/
StrAllocCopy(fullparentpath, *path ? path : "/");
/*
** Guard against weirdness.
*/
if (0 == strcmp(current,"..")) {
StrAllocCat(fullparentpath,"/../..");
} else if (0 == strcmp(current,".")) {
StrAllocCat(fullparentpath,"/..");
}
HTUnEscape(fullparentpath);
if ((dp = opendir(fullparentpath)) == NULL) {
FREE(fullparentpath);
FREE(logical);
FREE(relative);
FREE(path);
return(need_parent_link);
}
closedir(dp);
FREE(fullparentpath);
#ifdef LONG_LIST
need_parent_link = TRUE;
FREE(logical);
FREE(path);
FREE(relative);
return(need_parent_link);
#endif /* LONG_LIST */
}
}
#endif /* !VMS */
HTStartAnchor(target, "", relative);
FREE(relative);
PUTS(SEGMENT_UP_TO);
if (parent) {
if ((0 == strcmp(current,".")) ||
(0 == strcmp(current,".."))) {
/*
** Should not happen, but if it does,
** at least avoid giving misleading info. - KW
*/
PUTS("..");
} else {
char * printable = NULL;
StrAllocCopy(printable, parent + 1);
HTUnEscape(printable);
PUTS(printable);
FREE(printable);
}
} else {
PUTC('/');
}
END(HTML_A);
PUTC('\n');
}
#endif /* !NO_PARENT_DIR_REFERENCE */
FREE(logical);
FREE(path);
return(need_parent_link);
}
#if defined HAVE_READDIR
/* Send README file.
** -----------------
**
** If a README file exists, then it is inserted into the document here.
*/
PRIVATE void do_readme ARGS2(HTStructured *, target, CONST char *, localname)
{
FILE * fp;
char * readme_file_name = NULL;
HTSprintf0(&readme_file_name, "%s/%s", localname, HT_DIR_README_FILE);
fp = fopen(readme_file_name, "r");
if (fp) {
HTStructuredClass targetClass;
targetClass = *target->isa; /* (Can't init agregate in K&R) */
START(HTML_PRE);
for (;;){
int c = fgetc(fp);
if (c == EOF) break;
#ifdef NOTDEFINED
switch (c) {
case '&':
case '<':
case '>':
PUTC('&');
PUTC('#');
PUTC((char)(c / 10));
PUTC((char) (c % 10));
PUTC(';');
break;
/* case '\n':
PUTC('\r');
Bug removed thanks to joe@athena.mit.edu */
default:
PUTC((char)c);
}
#else
PUTC((char)c);
#endif /* NOTDEFINED */
}
END(HTML_PRE);
HTDisplayPartial();
fclose(fp);
}
FREE(readme_file_name);
}
PRIVATE int print_local_dir ARGS5(
DIR *, dp,
char *, localname,
HTParentAnchor *, anchor,
HTFormat, format_out,
HTStream *, sink)
{
HTStructured *target; /* HTML object */
HTStructuredClass targetClass;
STRUCT_DIRENT * dirbuf;
char *logical = NULL;
char *pathname = NULL;
char *tail = NULL;
BOOL present[HTML_A_ATTRIBUTES];
char * tmpfilename = NULL;
BOOL need_parent_link = FALSE;
struct stat file_info;
int status;
int i;
int code;
CTRACE((tfp, "print_local_dir() started\n"));
logical = HTAnchor_address((HTAnchor*)anchor);
pathname = HTParse(logical, "",
PARSE_PATH + PARSE_PUNCTUATION);
if (!strcmp(pathname,"/")) {
/*
** Root path.
*/
StrAllocCopy (tail, "/foo/..");
} else {
char *p = strrchr(pathname, '/'); /* find last slash */
if (!p) {
/*
** This probably should not happen,
** but be prepared if it does. - KW
*/
StrAllocCopy (tail, "/foo/..");
} else {
/*
** Take slash off the beginning.
*/
StrAllocCopy(tail, (p + 1));
}
}
FREE(pathname);
if (UCLYhndl_HTFile_for_unspec >= 0) {
HTAnchor_setUCInfoStage(anchor,
UCLYhndl_HTFile_for_unspec,
UCT_STAGE_PARSER,
UCT_SETBY_DEFAULT);
}
target = HTML_new(anchor, format_out, sink);
targetClass = *target->isa; /* Copy routine entry points */
for (i = 0; i < HTML_A_ATTRIBUTES; i++)
present[i] = (BOOL) (i == HTML_A_HREF);
/*
** The need_parent_link flag will be set if an
** "Up to <parent>" link was not created for a
** readable parent in HTDirTitles() because
** LONG_LIST is defined and NO_PARENT_DIR_REFERENCE
** is not defined so that need we to create the
** link via an LYListFmtParse() call. - FM
*/
need_parent_link = HTDirTitles(target,
(HTAnchor *)anchor, FALSE);
#ifdef DIRED_SUPPORT
if (strncmp(anchor->address, "lynxcgi:", 8)) {
HTAnchor_setFormat((HTParentAnchor *) anchor, WWW_DIRED);
lynx_edit_mode = TRUE;
}
#endif /* DIRED_SUPPORT */
if (HTDirReadme == HT_DIR_README_TOP)
do_readme(target, localname);
{
HTBTree * bt = HTBTree_new((HTComparer)AS_cmp);
int num_of_entries = 0; /* lines counter */
_HTProgress (READING_DIRECTORY);
status = HT_LOADED; /* assume we don't get interrupted */
while ((dirbuf = readdir(dp)) != NULL) {
/*
** While there are directory entries to be read...
*/
char * dirname = NULL;
#ifndef DOSPATH
if (dirbuf->d_ino == 0)
/*
** If the entry is not being used, skip it.
*/
continue;
#endif
/*
** Skip self, parent if handled in HTDirTitles()
** or if NO_PARENT_DIR_REFERENCE is not defined,
** and any dot files if no_dotfiles is set or
** show_dotfiles is not set. - FM
*/
if (!strcmp(dirbuf->d_name, ".") /* self */ ||
(!strcmp(dirbuf->d_name, "..") /* parent */ &&
need_parent_link == FALSE) ||
((strcmp(dirbuf->d_name, "..")) &&
(dirbuf->d_name[0] == '.' &&
(no_dotfiles || !show_dotfiles))))
continue;
StrAllocCopy(tmpfilename, localname);
/*
** If filename is not root directory, add trailing separator.
*/
LYAddPathSep(&tmpfilename);
StrAllocCat(tmpfilename, dirbuf->d_name);
code = stat(tmpfilename, &file_info);
#ifndef DIRED_SUPPORT
if (S_ISDIR(file_info.st_mode))
HTSprintf0(&dirname, "D%s",dirbuf->d_name);
else
HTSprintf0(&dirname, "F%s",dirbuf->d_name);
/* D & F to have first directories, then files */
#else
if (S_ISDIR(file_info.st_mode)) {
if (dir_list_style == MIXED_STYLE) {
HTSprintf0(&dirname, " %s", dirbuf->d_name);
LYAddPathSep(&dirname);
} else if (!strcmp(dirbuf->d_name, "..")) {
HTSprintf0(&dirname, "A%s", dirbuf->d_name);
} else {
HTSprintf0(&dirname, "D%s", dirbuf->d_name);
}
} else if (dir_list_style == MIXED_STYLE)
HTSprintf0(&dirname, " %s", dirbuf->d_name);
else if (dir_list_style == FILES_FIRST)
HTSprintf0(&dirname, "C%s", dirbuf->d_name);
/* C & D to have first files, then directories */
else
HTSprintf0(&dirname, "F%s", dirbuf->d_name);
#endif /* !DIRED_SUPPORT */
/*
** Sort dirname in the tree bt.
*/
HTBTree_add(bt, dirname);
#ifdef DISP_PARTIAL
/* optimize for expensive operation: */
if (num_of_entries % (partial_threshold > 0 ?
partial_threshold : display_lines)
== 0) {
if (HTCheckForInterrupt()) {
status = HT_PARTIAL_CONTENT;
break;
}
}
num_of_entries++;
#endif /* DISP_PARTIAL */
} /* end while directory entries left to read */
if (status != HT_PARTIAL_CONTENT)
_HTProgress (OPERATION_OK);
else
CTRACE((tfp, "Reading the directory interrupted by user\n"));
/*
** Run through tree printing out in order.
*/
{
HTBTElement * next_element = HTBTree_next(bt,NULL);
/* pick up the first element of the list */
int num_of_entries_output = 0; /* lines counter */
char state;
/* I for initial (.. file),
D for directory file,
F for file */
#ifdef DIRED_SUPPORT
char test;
#endif /* DIRED_SUPPORT */
state = 'I';
while (next_element != NULL) {
char *entry, *file_extra;
#ifndef DISP_PARTIAL
if (num_of_entries_output % HTMAX(display_lines,10) == 0) {
if (HTCheckForInterrupt()) {
_HTProgress (TRANSFER_INTERRUPTED);
status = HT_PARTIAL_CONTENT;
break;
}
}
#endif
StrAllocCopy(tmpfilename,localname);
/*
** If filename is not root directory.
*/
LYAddPathSep(&tmpfilename);
entry = (char*)HTBTree_object(next_element)+1;
/*
** Append the current entry's filename
** to the path.
*/
StrAllocCat(tmpfilename, entry);
HTSimplify(tmpfilename);
/*
** Output the directory entry.
*/
if (strcmp((char *)
(HTBTree_object(next_element)), "D..") &&
strcmp((char *)
(HTBTree_object(next_element)), "A.."))
{
#ifdef DIRED_SUPPORT
test = (*(char *)(HTBTree_object(next_element))
== 'D' ? 'D' : 'F');
if (state != test) {
#ifndef LONG_LIST
if (dir_list_style == FILES_FIRST) {
if (state == 'F') {
END(HTML_DIR);
PUTC('\n');
}
} else if (dir_list_style != MIXED_STYLE)
if (state == 'D') {
END(HTML_DIR);
PUTC('\n');
}
#endif /* !LONG_LIST */
state =
(char) (*(char *)(HTBTree_object(next_element))
== 'D' ? 'D' : 'F');
START(HTML_H2);
if (dir_list_style != MIXED_STYLE) {
START(HTML_EM);
PUTS(state == 'D'
? LABEL_SUBDIRECTORIES
: LABEL_FILES);
END(HTML_EM);
}
END(HTML_H2);
PUTC('\n');
#ifndef LONG_LIST
START(HTML_DIR);
PUTC('\n');
#endif /* !LONG_LIST */
}
#else
if (state != *(char *)(HTBTree_object(
next_element))) {
#ifndef LONG_LIST
if (state == 'D') {
END(HTML_DIR);
PUTC('\n');
}
#endif /* !LONG_LIST */
state =
(char) (*(char *)(HTBTree_object(next_element))
== 'D' ? 'D' : 'F');
START(HTML_H2);
START(HTML_EM);
PUTS(state == 'D'
? LABEL_SUBDIRECTORIES
: LABEL_FILES);
END(HTML_EM);
END(HTML_H2);
PUTC('\n');
#ifndef LONG_LIST
START(HTML_DIR);
PUTC('\n');
#endif /* !LONG_LIST */
}
#endif /* DIRED_SUPPORT */
#ifndef LONG_LIST
START(HTML_LI);
#endif /* !LONG_LIST */
}
file_extra = NULL;
#ifdef LONG_LIST
LYListFmtParse(list_format, tmpfilename, target,
entry, tail);
#else
HTDirEntry(target, tail, entry);
PUTS(entry);
END(HTML_A);
if (file_extra) {
PUTS(file_extra);
FREE(file_extra);
}
MAYBE_END(HTML_LI);
PUTC('\n');
#endif /* LONG_LIST */
next_element = HTBTree_next(bt, next_element);
/* pick up the next element of the list;
if none, return NULL*/
/* optimize for expensive operation: */
#ifdef DISP_PARTIAL
if (num_of_entries_output %
(partial_threshold > 0 ? partial_threshold : display_lines)
== 0) {
/* num_of_entries, num_of_entries_output... */
/* HTReadProgress...(bytes, 0); */
HTDisplayPartial();
if (HTCheckForInterrupt()) {
_HTProgress (TRANSFER_INTERRUPTED);
status = HT_PARTIAL_CONTENT;
break;
}
}
num_of_entries_output++;
#endif /* DISP_PARTIAL */
} /* end while next_element */
if (status == HT_LOADED) {
if (state == 'I') {
START(HTML_P);
PUTS("Empty Directory");
}
#ifndef LONG_LIST
else
END(HTML_DIR);
#endif /* !LONG_LIST */
}
} /* end printing out the tree in order */
FREE(logical);
FREE(tmpfilename);
FREE(tail);
HTBTreeAndObject_free(bt);
if (status == HT_LOADED) {
if (HTDirReadme == HT_DIR_README_BOTTOM)
do_readme(target, localname);
FREE_TARGET;
} else {
ABORT_TARGET;
}
}
HTFinishDisplayPartial();
return status; /* document loaded, maybe partial */
}
#endif /* HAVE_READDIR */
#ifndef VMS
PUBLIC int HTStat ARGS2(
CONST char *, filename,
struct stat *, data)
{
int result = -1;
char *temp_name = NULL;
size_t len = strlen(filename);
if (len != 0 && LYIsPathSep(filename[len-1])) {
HTSprintf0(&temp_name, "%s.", filename);
} else {
temp_name = (char *)filename;
}
#ifdef _WINDOWS
/*
* Someone claims that stat() doesn't give the proper result for a
* directory on Windows.
*/
if (access(temp_name, 0) == 0) {
if (stat(temp_name, data) == -1)
data->st_mode = S_IFDIR;
result = 0;
}
#else
result = stat(temp_name, data);
#endif
if (temp_name != filename) {
FREE(temp_name);
}
return result;
}
#endif
/* Load a document.
** ----------------
**
** On entry:
** addr must point to the fully qualified hypertext reference.
** This is the physical address of the file
**
** On exit:
** returns <0 Error has occurred.
** HTLOADED OK
**
*/
PUBLIC int HTLoadFile ARGS4(
CONST char *, addr,
HTParentAnchor *, anchor,
HTFormat, format_out,
HTStream *, sink)
{
char * filename = NULL;
char * acc_method = NULL;
HTFormat format;
char * nodename = NULL;
char * newname = NULL; /* Simplified name of file */
HTAtom * encoding; /* @@ not used yet */
HTAtom * myEncoding = NULL; /* enc of this file, may be gzip etc. */
int status;
char *dot;
#ifdef VMS
struct stat stat_info;
#endif /* VMS */
#ifdef USE_ZLIB
gzFile gzfp = 0;
BOOL use_gzread = NO;
#endif /* USE_ZLIB */
/*
** Reduce the filename to a basic form (hopefully unique!).
*/
StrAllocCopy(newname, addr);
filename=HTParse(newname, "", PARSE_PATH|PARSE_PUNCTUATION);
nodename=HTParse(newname, "", PARSE_HOST);
/*
** If access is ftp, or file is on another host, invoke ftp now.
*/
acc_method = HTParse(newname, "", PARSE_ACCESS);
if (strcmp("ftp", acc_method) == 0 ||
(strcmp("localhost", nodename) != 0 &&
#ifdef VMS
strcasecomp(nodename, HTHostName()) != 0
#else
strcmp(nodename, HTHostName()) != 0
#endif /* VMS */
)) {
status = -1;
FREE(newname);
FREE(filename);
FREE(nodename);
FREE(acc_method);
#ifndef DISABLE_FTP
status = HTFTPLoad(addr, anchor, format_out, sink);
#endif /* DISABLE_FTP */
return status;
} else {
FREE(newname);
FREE(acc_method);
}
#if defined(VMS) || defined(DOSPATH)
HTUnEscape(filename);
#endif /* VMS */
/*
** Determine the format and encoding mapped to any suffix.
*/
if (anchor->content_type && anchor->content_encoding) {
/*
* If content_type and content_encoding are BOTH already set
* in the anchor object, we believe it and don't try to
* derive format and encoding from the filename. - kw
*/
format = HTAtom_for(anchor->content_type);
myEncoding = HTAtom_for(anchor->content_encoding);
} else {
int default_UCLYhndl = UCLYhndl_HTFile_for_unspec;
if (force_old_UCLYhndl_on_reload) {
force_old_UCLYhndl_on_reload = FALSE;
default_UCLYhndl = forced_UCLYhdnl;
}
format = HTFileFormat(filename, &myEncoding, NULL);
/*
** Check the format for an extended MIME charset value, and
** act on it if present. Otherwise, assume what is indicated
** by the last parameter (fallback will effectively be
** UCLYhndl_for_unspec, by default ISO-8859-1). - kw
*/
format = HTCharsetFormat(format, anchor, default_UCLYhndl );
}
#ifdef VMS
/*
** Check to see if the 'filename' is in fact a directory. If it is
** create a new hypertext object containing a list of files and
** subdirectories contained in the directory. All of these are links
** to the directories or files listed.
*/
if (HTStat(filename, &stat_info) == -1) {
CTRACE((tfp, "HTLoadFile: Can't stat %s\n", filename));
} else {
if (S_ISDIR(stat_info.st_mode)) {
if (HTDirAccess == HT_DIR_FORBID) {
FREE(filename);
FREE(nodename);
return HTLoadError(sink, 403, DISALLOWED_DIR_SCAN);
}
if (HTDirAccess == HT_DIR_SELECTIVE) {
char * enable_file_name = NULL;
HTSprintf0(&enable_file_name, "%s/%s", filename, HT_DIR_ENABLE_FILE);
if (HTStat(enable_file_name, &stat_info) == -1) {
FREE(filename);
FREE(nodename);
FREE(enable_file_name);
return HTLoadError(sink, 403, DISALLOWED_SELECTIVE_ACCESS);
}
}
FREE(filename);
FREE(nodename);
return HTVMSBrowseDir(addr, anchor, format_out, sink);
}
}
/*
** Assume that the file is in Unix-style syntax if it contains a '/'
** after the leading one. @@
*/
{
FILE * fp;
char * vmsname = strchr(filename + 1, '/') ?
HTVMS_name(nodename, filename) : filename + 1;
fp = fopen(vmsname, "r", "shr=put", "shr=upd");
/*
** If the file wasn't VMS syntax, then perhaps it is Ultrix.
*/
if (!fp) {
char * ultrixname = 0;
CTRACE((tfp, "HTLoadFile: Can't open as %s\n", vmsname));
HTSprintf0(&ultrixname, "%s::\"%s\"", nodename, filename);
fp = fopen(ultrixname, "r", "shr=put", "shr=upd");
if (!fp) {
CTRACE((tfp, "HTLoadFile: Can't open as %s\n",
ultrixname));
}
FREE(ultrixname);
}
if (fp) {
char *semicolon = NULL;
if (HTEditable(vmsname)) {
HTAtom * put = HTAtom_for("PUT");
HTList * methods = HTAnchor_methods(anchor);
if (HTList_indexOf(methods, put) == (-1)) {
HTList_addObject(methods, put);
}
}
/*
** Trim vmsname at semicolon if a version number was
** included, so it doesn't interfere with the check
** for a compressed file. - FM
*/
if ((semicolon = strchr(vmsname, ';')) != NULL)
*semicolon = '\0';
/*
** Fake a Content-Encoding for compressed files. - FM
*/
if (!IsUnityEnc(myEncoding)) {
/*
* We already know from the call to HTFileFormat above
* that this is a compressed file, no need to look at
* the filename again. - kw
*/
#ifdef USE_ZLIB
if (strcmp(format_out->name, "www/download") != 0 &&
(!strcmp(HTAtom_name(myEncoding), "gzip") ||
!strcmp(HTAtom_name(myEncoding), "x-gzip"))) {
fclose(fp);
if (semicolon != NULL)
*semicolon = ';';
gzfp = gzopen(vmsname, BIN_R);
CTRACE((tfp, "HTLoadFile: gzopen of `%s' gives %p\n",
vmsname, (void*)gzfp));
use_gzread = YES;
} else
#endif /* USE_ZLIB */
{
StrAllocCopy(anchor->content_type, format->name);
StrAllocCopy(anchor->content_encoding, HTAtom_name(myEncoding));
format = HTAtom_for("www/compressed");
}
} else {
/* FIXME: should we check if suffix is after ']' or ':' ? */
CompressFileType cft = HTCompressFileType(vmsname, "._-", &dot);
if (cft != cftNone) {
char *cp = NULL;
StrAllocCopy(cp, vmsname);
cp[dot - vmsname] = '\0';
format = HTFileFormat(cp, &encoding, NULL);
FREE(cp);
format = HTCharsetFormat(format, anchor,
UCLYhndl_HTFile_for_unspec);
StrAllocCopy(anchor->content_type, format->name);
}
switch (cft) {
case cftCompress:
StrAllocCopy(anchor->content_encoding, "x-compress");
format = HTAtom_for("www/compressed");
break;
case cftGzip:
StrAllocCopy(anchor->content_encoding, "x-gzip");
#ifdef USE_ZLIB
if (strcmp(format_out->name, "www/download") != 0) {
fclose(fp);
if (semicolon != NULL)
*semicolon = ';';
gzfp = gzopen(vmsname, BIN_R);
CTRACE((tfp, "HTLoadFile: gzopen of `%s' gives %p\n",
vmsname, (void*)gzfp));
use_gzread = YES;
}
#else /* USE_ZLIB */
format = HTAtom_for("www/compressed");
#endif /* USE_ZLIB */
break;
case cftBzip2:
StrAllocCopy(anchor->content_encoding, "x-bzip2");
format = HTAtom_for("www/compressed");
break;
case cftNone:
break;
}
}
if (semicolon != NULL)
*semicolon = ';';
FREE(filename);
FREE(nodename);
#ifdef USE_ZLIB
if (use_gzread) {
if (gzfp) {
char * sugfname = NULL;
if (anchor->SugFname) {
StrAllocCopy(sugfname, anchor->SugFname);
} else {
char * anchor_path = HTParse(anchor->address, "",
PARSE_PATH + PARSE_PUNCTUATION);
char * lastslash;
HTUnEscape(anchor_path);
lastslash = strrchr(anchor_path, '/');
if (lastslash)
StrAllocCopy(sugfname, lastslash + 1);
FREE(anchor_path);
}
FREE(anchor->content_encoding);
if (sugfname && *sugfname)
HTCheckFnameForCompression(&sugfname, anchor,
TRUE);
if (sugfname && *sugfname)
StrAllocCopy(anchor->SugFname, sugfname);
FREE(sugfname);
status = HTParseGzFile(format, format_out,
anchor,
gzfp, sink);
} else {
status = HTLoadError(NULL,
-(HT_ERROR),
FAILED_OPEN_COMPRESSED_FILE);
}
} else
#endif /* USE_ZLIB */
{
status = HTParseFile(format, format_out, anchor, fp, sink);
fclose(fp);
}
return status;
} /* If successful open */
FREE(filename);
}
#else /* not VMS: */
FREE(filename);
/*
** For unix, we try to translate the name into the name of a
** transparently mounted file.
**
** Not allowed in secure (HTClienntHost) situations. TBL 921019
*/
#ifndef NO_UNIX_IO
/* Need protection here for telnet server but not httpd server. */
if (!HTSecure) { /* try local file system */
char * localname = HTLocalName(addr);
struct stat dir_info;
#ifdef HAVE_READDIR
/*
** Multiformat handling.
**
** If needed, scan directory to find a good file.
** Bug: We don't stat the file to find the length.
*/
if ((strlen(localname) > strlen(MULTI_SUFFIX)) &&
(0 == strcmp(localname + strlen(localname) - strlen(MULTI_SUFFIX),
MULTI_SUFFIX))) {
DIR *dp = 0;
BOOL forget_multi = NO;
STRUCT_DIRENT * dirbuf;
float best = (float) NO_VALUE_FOUND; /* So far best is bad */
HTFormat best_rep = NULL; /* Set when rep found */
HTAtom * best_enc = NULL;
char * best_name = NULL; /* Best dir entry so far */
char *base = strrchr(localname, '/');
int baselen = 0;
if (!base || base == localname) {
forget_multi = YES;
} else {
*base++ = '\0'; /* Just got directory name */
baselen = strlen(base)- strlen(MULTI_SUFFIX);
base[baselen] = '\0'; /* Chop off suffix */
dp = opendir(localname);
}
if (forget_multi || !dp) {
FREE(localname);
FREE(nodename);
return HTLoadError(sink, 500, FAILED_DIR_SCAN);
}
while ((dirbuf = readdir(dp)) != NULL) {
/*
** While there are directory entries to be read...
*/
#ifndef DOSPATH
if (dirbuf->d_ino == 0)
continue; /* if the entry is not being used, skip it */
#endif
if ((int)strlen(dirbuf->d_name) > baselen && /* Match? */
!strncmp(dirbuf->d_name, base, baselen)) {
HTAtom * enc;
HTFormat rep = HTFileFormat(dirbuf->d_name, &enc, NULL);
float filevalue = HTFileValue(dirbuf->d_name);
float value = HTStackValue(rep, format_out,
filevalue,
0L /* @@@@@@ */);
if (value <= 0.0) {
char *atomname = NULL;
CompressFileType cft = HTCompressFileType(dirbuf->d_name, ".", &dot);
char * cp = NULL;
enc = NULL;
if (cft != cftNone) {
StrAllocCopy(cp, dirbuf->d_name);
cp[dot - dirbuf->d_name] = '\0';
format = HTFileFormat(cp, NULL, NULL);
FREE(cp);
value = HTStackValue(format, format_out,
filevalue, 0);
switch (cft) {
case cftCompress:
atomname = "application/x-compressed";
break;
case cftGzip:
atomname = "application/x-gzip";
break;
case cftBzip2:
atomname = "application/x-bzip2";
break;
case cftNone:
break;
}
}
if (atomname != NULL) {
value = HTStackValue(format, format_out,
filevalue, 0);
if (value <= 0.0) {
format = HTAtom_for(atomname);
value = HTStackValue(format, format_out,
filevalue, 0);
}
if (value <= 0.0) {
format = HTAtom_for("www/compressed");
value = HTStackValue(format, format_out,
filevalue, 0);
}
}
}
if (value != NO_VALUE_FOUND) {
CTRACE((tfp, "HTLoadFile: value of presenting %s is %f\n",
HTAtom_name(rep), value));
if (value > best) {
best_rep = rep;
best_enc = enc;
best = value;
StrAllocCopy(best_name, dirbuf->d_name);
}
} /* if best so far */
} /* if match */
} /* end while directory entries left to read */
closedir(dp);
if (best_rep) {
format = best_rep;
myEncoding = best_enc;
base[-1] = '/'; /* Restore directory name */
base[0] = '\0';
StrAllocCat(localname, best_name);
FREE(best_name);
} else { /* If not found suitable file */
FREE(localname);
FREE(nodename);
return HTLoadError(sink, 403, FAILED_NO_REPRESENTATION);
}
/*NOTREACHED*/
} /* if multi suffix */
/*
** Check to see if the 'localname' is in fact a directory. If it
** is create a new hypertext object containing a list of files and
** subdirectories contained in the directory. All of these are
** links to the directories or files listed.
** NB This assumes the existence of a type 'STRUCT_DIRENT', which
** will hold the directory entry, and a type 'DIR' which is used
** to point to the current directory being read.
*/
if (HTStat(localname,&dir_info) == -1) /* get file information */
{
/* if can't read file information */
CTRACE((tfp, "HTLoadFile: can't stat %s\n", localname));
} else { /* Stat was OK */
if (S_ISDIR(dir_info.st_mode)) {
/*
** If localname is a directory.
*/
DIR *dp;
struct stat file_info;
CTRACE((tfp, "%s is a directory\n", localname));
/*
** Check directory access.
** Selective access means only those directories containing
** a marker file can be browsed.
*/
if (HTDirAccess == HT_DIR_FORBID) {
FREE(localname);
FREE(nodename);
return HTLoadError(sink, 403, DISALLOWED_DIR_SCAN);
}
if (HTDirAccess == HT_DIR_SELECTIVE) {
char * enable_file_name = NULL;
HTSprintf0(&enable_file_name, "%s/%s", localname, HT_DIR_ENABLE_FILE);
if (stat(enable_file_name, &file_info) != 0) {
FREE(localname);
FREE(nodename);
FREE(enable_file_name);
return HTLoadError(sink, 403, DISALLOWED_SELECTIVE_ACCESS);
}
}
CTRACE((tfp, "Opening directory %s\n", localname));
dp = opendir(localname);
if (!dp) {
FREE(localname);
FREE(nodename);
return HTLoadError(sink, 403, FAILED_DIR_UNREADABLE);
}
/*
** Directory access is allowed and possible.
*/
status = print_local_dir(dp, localname,
anchor, format_out, sink);
closedir(dp);
FREE(localname);
FREE(nodename);
return status; /* document loaded, maybe partial */
} /* end if localname is a directory */
if (S_ISREG(dir_info.st_mode)) {
#ifdef INT_MAX
if (dir_info.st_size <= INT_MAX)
#endif
anchor->content_length = dir_info.st_size;
}
} /* end if file stat worked */
/* End of directory reading section
*/
#endif /* HAVE_READDIR */
{
int bin = HTCompressFileType(localname, ".", &dot) != cftNone;
FILE * fp = fopen(localname, (bin ? BIN_R : "r"));
CTRACE((tfp, "HTLoadFile: Opening `%s' gives %p\n",
localname, (void*)fp));
if (fp) { /* Good! */
if (HTEditable(localname)) {
HTAtom * put = HTAtom_for("PUT");
HTList * methods = HTAnchor_methods(anchor);
if (HTList_indexOf(methods, put) == (-1)) {
HTList_addObject(methods, put);
}
}
/*
** Fake a Content-Encoding for compressed files. - FM
*/
if (!IsUnityEnc(myEncoding)) {
/*
* We already know from the call to HTFileFormat above
* that this is a compressed file, no need to look at
* the filename again. - kw
*/
#ifdef USE_ZLIB
if (strcmp(format_out->name, "www/download") != 0 &&
(!strcmp(HTAtom_name(myEncoding), "gzip") ||
!strcmp(HTAtom_name(myEncoding), "x-gzip"))) {
fclose(fp);
gzfp = gzopen(localname, BIN_R);
CTRACE((tfp, "HTLoadFile: gzopen of `%s' gives %p\n",
localname, (void*)gzfp));
use_gzread = YES;
} else
#endif /* USE_ZLIB */
{
StrAllocCopy(anchor->content_type, format->name);
StrAllocCopy(anchor->content_encoding, HTAtom_name(myEncoding));
format = HTAtom_for("www/compressed");
}
} else {
CompressFileType cft = HTCompressFileType(localname, ".", &dot);
if (cft != cftNone) {
char *cp = NULL;
StrAllocCopy(cp, localname);
cp[dot - localname] = '\0';
format = HTFileFormat(cp, &encoding, NULL);
FREE(cp);
format = HTCharsetFormat(format, anchor,
UCLYhndl_HTFile_for_unspec);
StrAllocCopy(anchor->content_type, format->name);
}
switch (cft) {
case cftCompress:
StrAllocCopy(anchor->content_encoding, "x-compress");
format = HTAtom_for("www/compressed");
break;
case cftGzip:
StrAllocCopy(anchor->content_encoding, "x-gzip");
#ifdef USE_ZLIB
if (strcmp(format_out->name, "www/download") != 0) {
fclose(fp);
gzfp = gzopen(localname, BIN_R);
CTRACE((tfp, "HTLoadFile: gzopen of `%s' gives %p\n",
localname, (void*)gzfp));
use_gzread = YES;
}
#else /* USE_ZLIB */
format = HTAtom_for("www/compressed");
#endif /* USE_ZLIB */
break;
case cftBzip2:
StrAllocCopy(anchor->content_encoding, "x-bzip2");
format = HTAtom_for("www/compressed");
break;
case cftNone:
break;
}
}
FREE(localname);
FREE(nodename);
#ifdef USE_ZLIB
if (use_gzread) {
if (gzfp) {
char * sugfname = NULL;
if (anchor->SugFname) {
StrAllocCopy(sugfname, anchor->SugFname);
} else {
char * anchor_path = HTParse(anchor->address, "",
PARSE_PATH + PARSE_PUNCTUATION);
char * lastslash;
HTUnEscape(anchor_path);
lastslash = strrchr(anchor_path, '/');
if (lastslash)
StrAllocCopy(sugfname, lastslash + 1);
FREE(anchor_path);
}
FREE(anchor->content_encoding);
if (sugfname && *sugfname)
HTCheckFnameForCompression(&sugfname, anchor,
TRUE);
if (sugfname && *sugfname)
StrAllocCopy(anchor->SugFname, sugfname);
FREE(sugfname);
status = HTParseGzFile(format, format_out,
anchor,
gzfp, sink);
} else {
status = HTLoadError(NULL,
-(HT_ERROR),
FAILED_OPEN_COMPRESSED_FILE);
}
} else
#endif /* USE_ZLIB */
{
status = HTParseFile(format, format_out, anchor, fp, sink);
fclose(fp);
}
return status;
} /* If successful open */
FREE(localname);
} /* scope of fp */
} /* local unix file system */
#endif /* !NO_UNIX_IO */
#endif /* VMS */
#ifndef DECNET
/*
** Now, as transparently mounted access has failed, we try FTP.
*/
{
/*
** Deal with case-sensitivity differences on VMS versus Unix.
*/
#ifdef VMS
if (strcasecomp(nodename, HTHostName()) != 0)
#else
if (strcmp(nodename, HTHostName()) != 0)
#endif /* VMS */
{
status = -1;
FREE(nodename);
if (strncmp(addr, "file://localhost", 16)) {
/* never go to ftp site when URL
* is file://localhost
*/
#ifndef DISABLE_FTP
status = HTFTPLoad(addr, anchor, format_out, sink);
#endif /* DISABLE_FTP */
}
return status;
}
FREE(nodename);
}
#endif /* !DECNET */
/*
** All attempts have failed.
*/
{
CTRACE((tfp, "Can't open `%s', errno=%d\n", addr, SOCKET_ERRNO));
return HTLoadError(sink, 403, FAILED_FILE_UNREADABLE);
}
}
/*
** Protocol descriptors
*/
#ifdef GLOBALDEF_IS_MACRO
#define _HTFILE_C_1_INIT { "ftp", HTLoadFile, 0 }
GLOBALDEF (HTProtocol,HTFTP,_HTFILE_C_1_INIT);
#define _HTFILE_C_2_INIT { "file", HTLoadFile, HTFileSaveStream }
GLOBALDEF (HTProtocol,HTFile,_HTFILE_C_2_INIT);
#else
GLOBALDEF PUBLIC HTProtocol HTFTP = { "ftp", HTLoadFile, 0 };
GLOBALDEF PUBLIC HTProtocol HTFile = { "file", HTLoadFile, HTFileSaveStream };
#endif /* GLOBALDEF_IS_MACRO */
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