/* Binary string comparison
** ------------------------
** On entry,
** s Points to one bstring
** t points to the other.
** On exit,
** returns YES if the strings are equivalent
** NO if they differ.
*/
PRIVATE BOOL HTBEquivalent ARGS2(
CONST bstring *, s,
CONST bstring *, t)
{
if (s && t && BStrLen(s) == BStrLen(t)) {
int j;
int len = BStrLen(s);
for (j = 0; j < len; ++j) {
if (!HT_EQUIV(BStrData(s)[j], BStrData(t)[j])) {
return(NO);
}
}
return(YES);
} else {
return(s == t); /* Two NULLs are equivalent, aren't they ? */
}
}
// checked
uint8_t
XTDBLoadIndexes(XTDBHandle* h) {
void* idxList = NULL;
BinaryStr bStr,out;
uint8_t rv;
h->descDB = DBInit(STR(&h->descName),BDBOCREAT|BDBOWRITER);
if (!h->descDB) {
h->error = XTDB_NO_MEM;
return False;
}
rv = DBOpen(h->descDB,BDBOCREAT|BDBOWRITER|BDBOTSYNC);
if (!rv) {
// XXX revisit
h->error = DBGetLastError(h->descDB);
if (h->error == XTDB_FILE_NOT_FOUND) {
h->error = XTDB_DESC_NOT_FOUND;
}
return False;
}
StrToBStr(IDXFIELDNAME,&bStr);
if (DBGetList(h->descDB,&bStr,&idxList)) {
int idxLen = DBListLen(h->descDB,idxList);
int i;
for (i=0; i<idxLen; i++) {
DBListVal(h->descDB,idxList,i,&out);
char* idxName = BStrData(&out);
//printf("IDX in descriptor %s\n",idxName);
if (!XTDBAddIndex(h,idxName)) {
return False;
}
assert(XTDBGetIndex(h,idxName));
}
DBListFree(h->descDB,idxList);
}
return True;
}
/*
* LYShowInfo prints a page of info about the current file and the link that
* the cursor is on.
*/
int LYShowInfo(DocInfo *doc,
DocInfo *newdoc,
char *owner_address)
{
static char tempfile[LY_MAXPATH] = "\0";
int url_type;
FILE *fp0;
char *Title = NULL;
const char *cp;
char *temp = NULL;
char *buffer = NULL;
BOOLEAN LYInfoAdvanced = (BOOL) (user_mode == ADVANCED_MODE);
#ifdef DIRED_SUPPORT
struct stat dir_info;
const char *name;
#endif /* DIRED_SUPPORT */
if (LYReuseTempfiles) {
fp0 = LYOpenTempRewrite(tempfile, HTML_SUFFIX, "w");
} else {
(void) LYRemoveTemp(tempfile);
fp0 = LYOpenTemp(tempfile, HTML_SUFFIX, "w");
}
if (fp0 == NULL) {
HTAlert(CANNOT_OPEN_TEMP);
return (-1);
}
/*
* Point the address pointer at this Url
*/
LYLocalFileToURL(&newdoc->address, tempfile);
if (nlinks > 0 && links[doc->link].lname != NULL &&
(url_type = is_url(links[doc->link].lname)) != 0 &&
(url_type == LYNXEXEC_URL_TYPE ||
url_type == LYNXPROG_URL_TYPE)) {
char *last_slash = strrchr(links[doc->link].lname, '/');
int next_to_last = (int) strlen(links[doc->link].lname) - 1;
if ((last_slash - links[doc->link].lname) == next_to_last) {
links[doc->link].lname[next_to_last] = '\0';
}
}
label_columns = 9;
WriteInternalTitle(fp0, SHOWINFO_TITLE);
fprintf(fp0, "<h1>%s %s (%s) (<a href=\"%s\">%s</a>)",
LYNX_NAME, LYNX_VERSION,
LYVersionDate(),
(LYVersionIsRelease()? LYNX_WWW_HOME : LYNX_WWW_DIST),
LYVersionStatus());
fprintf(fp0, "</h1>\n"); /* don't forget to close <h1> */
#ifdef DIRED_SUPPORT
if (lynx_edit_mode && nlinks > 0) {
BEGIN_DL(gettext("Directory that you are currently viewing"));
temp = HTfullURL_toFile(doc->address);
ADD_SS(gettext("Name:"), temp);
FREE(temp);
dt_URL(fp0, doc->address);
END_DL();
temp = HTfullURL_toFile(links[doc->link].lname);
if (lstat(temp, &dir_info) == -1) {
CTRACE((tfp, "lstat(%s) failed, errno=%d\n", temp, errno));
HTAlert(CURRENT_LINK_STATUS_FAILED);
} else {
char modes[80];
label_columns = 16;
if (S_ISDIR(dir_info.st_mode)) {
BEGIN_DL(gettext("Directory that you have currently selected"));
} else if (S_ISREG(dir_info.st_mode)) {
BEGIN_DL(gettext("File that you have currently selected"));
#ifdef S_IFLNK
} else if (S_ISLNK(dir_info.st_mode)) {
BEGIN_DL(gettext("Symbolic link that you have currently selected"));
#endif
} else {
BEGIN_DL(gettext("Item that you have currently selected"));
}
ADD_SS(gettext("Full name:"), temp);
#ifdef S_IFLNK
if (S_ISLNK(dir_info.st_mode)) {
char buf[MAX_LINE];
int buf_size;
size_t limit = sizeof(buf) - 1;
if ((buf_size = (int) readlink(temp, buf, limit)) != -1) {
if (buf_size > (int) limit)
buf_size = (int) limit;
buf[buf_size] = '\0';
} else {
sprintf(buf, "%.*s", (int) limit,
gettext("Unable to follow link"));
}
ADD_SS(gettext("Points to file:"), buf);
}
#endif
name = HTAA_UidToName((int) dir_info.st_uid);
if (*name)
ADD_SS(gettext("Name of owner:"), name);
name = HTAA_GidToName((int) dir_info.st_gid);
if (*name)
ADD_SS(gettext("Group name:"), name);
if (S_ISREG(dir_info.st_mode)) {
ADD_NN(gettext("File size:"),
(long) dir_info.st_size,
gettext("(bytes)"));
}
/*
* Include date and time information.
*/
ADD_SS(gettext("Creation date:"),
ctime(&dir_info.st_ctime));
ADD_SS(gettext("Last modified:"),
ctime(&dir_info.st_mtime));
ADD_SS(gettext("Last accessed:"),
ctime(&dir_info.st_atime));
END_DL();
label_columns = 9;
BEGIN_DL(gettext("Access Permissions"));
modes[0] = '\0';
modes[1] = '\0'; /* In case there are no permissions */
modes[2] = '\0';
if ((dir_info.st_mode & S_IRUSR))
strcat(modes, ", read");
if ((dir_info.st_mode & S_IWUSR))
strcat(modes, ", write");
if ((dir_info.st_mode & S_IXUSR)) {
if (S_ISDIR(dir_info.st_mode))
strcat(modes, ", search");
else {
strcat(modes, ", execute");
if ((dir_info.st_mode & S_ISUID))
strcat(modes, ", setuid");
}
}
ADD_SS(gettext("Owner:"), &modes[2]);
modes[0] = '\0';
modes[1] = '\0'; /* In case there are no permissions */
modes[2] = '\0';
if ((dir_info.st_mode & S_IRGRP))
strcat(modes, ", read");
if ((dir_info.st_mode & S_IWGRP))
strcat(modes, ", write");
if ((dir_info.st_mode & S_IXGRP)) {
if (S_ISDIR(dir_info.st_mode))
strcat(modes, ", search");
else {
strcat(modes, ", execute");
if ((dir_info.st_mode & S_ISGID))
strcat(modes, ", setgid");
}
}
ADD_SS(gettext("Group:"), &modes[2]);
modes[0] = '\0';
modes[1] = '\0'; /* In case there are no permissions */
modes[2] = '\0';
if ((dir_info.st_mode & S_IROTH))
strcat(modes, ", read");
if ((dir_info.st_mode & S_IWOTH))
strcat(modes, ", write");
if ((dir_info.st_mode & S_IXOTH)) {
if (S_ISDIR(dir_info.st_mode))
strcat(modes, ", search");
else {
strcat(modes, ", execute");
#ifdef S_ISVTX
if ((dir_info.st_mode & S_ISVTX))
strcat(modes, ", sticky");
#endif
}
}
ADD_SS(gettext("World:"), &modes[2]);
END_DL();
}
FREE(temp);
} else {
#endif /* DIRED_SUPPORT */
BEGIN_DL(gettext("File that you are currently viewing"));
LYformTitle(&Title, doc->title);
HTSprintf(&temp, "%s%s",
LYEntifyTitle(&buffer, Title),
((doc->isHEAD &&
!strstr(Title, " (HEAD)") &&
!strstr(Title, " - HEAD")) ? " (HEAD)" : ""));
ADD_SS(gettext("Linkname:"), temp);
FREE(temp);
dt_URL(fp0, doc->address);
if (HTLoadedDocumentCharset()) {
ADD_SS(gettext("Charset:"),
HTLoadedDocumentCharset());
} else {
LYUCcharset *p_in = HTAnchor_getUCInfoStage(HTMainAnchor,
UCT_STAGE_PARSER);
if (!p_in || isEmpty(p_in->MIMEname) ||
HTAnchor_getUCLYhndl(HTMainAnchor, UCT_STAGE_PARSER) < 0) {
p_in = HTAnchor_getUCInfoStage(HTMainAnchor, UCT_STAGE_MIME);
}
if (p_in && non_empty(p_in->MIMEname) &&
HTAnchor_getUCLYhndl(HTMainAnchor, UCT_STAGE_MIME) >= 0) {
HTSprintf(&temp, "%s %s",
LYEntifyTitle(&buffer, p_in->MIMEname),
gettext("(assumed)"));
ADD_SS(gettext("Charset:"), p_in->MIMEname);
FREE(temp);
}
}
if ((cp = HText_getServer()) != NULL && *cp != '\0')
ADD_SS(gettext("Server:"), cp);
if ((cp = HText_getDate()) != NULL && *cp != '\0')
ADD_SS(gettext("Date:"), cp);
if ((cp = HText_getLastModified()) != NULL && *cp != '\0')
ADD_SS(gettext("Last Mod:"), cp);
if (LYInfoAdvanced) {
if (HTMainAnchor && HTMainAnchor->expires) {
ADD_SS(gettext("Expires:"), HTMainAnchor->expires);
}
if (HTMainAnchor && HTMainAnchor->cache_control) {
ADD_SS(gettext("Cache-Control:"), HTMainAnchor->cache_control);
}
if (HTMainAnchor && HTMainAnchor->content_length > 0) {
ADD_NN(gettext("Content-Length:"),
HTMainAnchor->content_length,
gettext("bytes"));
} else {
ADD_NN(gettext("Length:"),
HText_getNumOfBytes(),
gettext("bytes"));
}
if (HTMainAnchor && HTMainAnchor->content_language) {
ADD_SS(gettext("Language:"), HTMainAnchor->content_language);
}
}
if (doc->post_data) {
fprintf(fp0, "<dt><em>%s</em> <xmp>%.*s</xmp>\n",
LYEntifyTitle(&buffer, gettext("Post Data:")),
BStrLen(doc->post_data),
BStrData(doc->post_data));
ADD_SS(gettext("Post Content Type:"), doc->post_content_type);
}
ADD_SS(gettext("Owner(s):"),
(owner_address
? owner_address
: NO_NOTHING));
ADD_NN(gettext("size:"),
HText_getNumOfLines(),
gettext("lines"));
StrAllocCopy(temp,
((lynx_mode == FORMS_LYNX_MODE)
? gettext("forms mode")
: (HTisDocumentSource()
? gettext("source")
: gettext("normal"))));
if (doc->safe)
StrAllocCat(temp, gettext(", safe"));
if (doc->internal_link)
StrAllocCat(temp, gettext(", via internal link"));
if (LYInfoAdvanced) {
if (HText_hasNoCacheSet(HTMainText))
StrAllocCat(temp, gettext(", no-cache"));
if (HTAnchor_isISMAPScript((HTAnchor *) HTMainAnchor))
StrAllocCat(temp, gettext(", ISMAP script"));
if (doc->bookmark)
StrAllocCat(temp, gettext(", bookmark file"));
}
ADD_SS(gettext("mode:"), temp);
FREE(temp);
END_DL();
if (nlinks > 0) {
BEGIN_DL(gettext("Link that you currently have selected"));
ADD_SS(gettext("Linkname:"),
LYGetHiliteStr(doc->link, 0));
if (lynx_mode == FORMS_LYNX_MODE &&
links[doc->link].type == WWW_FORM_LINK_TYPE) {
if (links[doc->link].l_form->submit_method) {
int method = links[doc->link].l_form->submit_method;
char *enctype = links[doc->link].l_form->submit_enctype;
ADD_SS(gettext("Method:"),
((method == URL_POST_METHOD) ? "POST" :
((method == URL_MAIL_METHOD) ? "(email)" :
"GET")));
ADD_SS(gettext("Enctype:"),
(non_empty(enctype)
? enctype
: "application/x-www-form-urlencoded"));
}
if (links[doc->link].l_form->submit_action) {
ADD_SS(gettext("Action:"),
links[doc->link].l_form->submit_action);
}
if (!(links[doc->link].l_form->submit_method &&
links[doc->link].l_form->submit_action)) {
fprintf(fp0, "<dt> %s\n",
LYEntifyTitle(&buffer, gettext("(Form field)")));
}
} else {
dt_URL(fp0, NonNull(links[doc->link].lname));
}
END_DL();
} else {
fprintf(fp0, "<h2>%s</h2>",
LYEntifyTitle(&buffer,
gettext("No Links on the current page")));
}
if ((cp = HText_getHttpHeaders()) != 0) {
fprintf(fp0, "<h2>%s</h2>",
LYEntifyTitle(&buffer, gettext("Server Headers:")));
fprintf(fp0, "<pre>%s</pre>",
LYEntifyTitle(&buffer, cp));
}
#ifdef DIRED_SUPPORT
}
#endif /* DIRED_SUPPORT */
EndInternalPage(fp0);
LYrefresh();
LYCloseTemp(tempfile);
FREE(Title);
FREE(buffer);
return (0);
}
static int LYLoadCGI(const char *arg,
HTParentAnchor *anAnchor,
HTFormat format_out,
HTStream *sink)
{
int status = 0;
#ifdef LYNXCGI_LINKS
#ifndef VMS
char *cp;
struct stat stat_buf;
char *pgm = NULL; /* executable */
char *pgm_args = NULL; /* and its argument(s) */
int statrv;
char *orig_pgm = NULL; /* Path up to ? as given, URL-escaped */
char *document_root = NULL; /* Corrected value of DOCUMENT_ROOT */
char *path_info = NULL; /* PATH_INFO extracted from pgm */
char *pgm_buff = NULL; /* PATH_INFO extraction buffer */
char *path_translated; /* From document_root/path_info */
if (isEmpty(arg) || strlen(arg) <= 8) {
HTAlert(BAD_REQUEST);
status = -2;
return (status);
} else {
if (StrNCmp(arg, "lynxcgi://localhost", 19) == 0) {
StrAllocCopy(pgm, arg + 19);
} else {
StrAllocCopy(pgm, arg + 8);
}
if ((cp = StrChr(pgm, '?')) != NULL) { /* Need to terminate executable */
*cp++ = '\0';
pgm_args = cp;
}
}
StrAllocCopy(orig_pgm, pgm);
if (trimPoundSelector(pgm) != NULL) {
/*
* Strip a #fragment from path. In this case any pgm_args found above
* will also be bogus, since the '?' came after the '#' and is part of
* the fragment. Note that we don't handle the case where a '#'
* appears after a '?' properly according to URL rules. - kw
*/
pgm_args = NULL;
}
HTUnEscape(pgm);
/* BEGIN WebSter Mods */
/* If pgm is not stat-able, see if PATH_INFO data is at the end of pgm */
if ((statrv = stat(pgm, &stat_buf)) < 0) {
StrAllocCopy(pgm_buff, pgm);
while (statrv < 0 || (statrv = stat(pgm_buff, &stat_buf)) < 0) {
if ((cp = strrchr(pgm_buff, '/')) != NULL) {
*cp = '\0';
statrv = 1; /* force new stat() - kw */
} else {
PERROR("strrchr(pgm_buff, '/') returned NULL");
break;
}
}
if (statrv < 0) {
/* Did not find PATH_INFO data */
PERROR("stat() of pgm_buff failed");
} else {
/* Found PATH_INFO data. Strip it off of pgm and into path_info. */
StrAllocCopy(path_info, pgm + strlen(pgm_buff));
/* The following is safe since pgm_buff was derived from pgm
by stripping stuff off its end and by HTUnEscaping, so we
know we have enough memory allocated for pgm. Note that
pgm_args may still point into that memory, so we cannot
reallocate pgm here. - kw */
strcpy(pgm, pgm_buff);
CTRACE((tfp,
"LYNXCGI: stat() of %s succeeded, path_info=\"%s\".\n",
pgm_buff, path_info));
}
FREE(pgm_buff);
}
/* END WebSter Mods */
if (statrv != 0) {
/*
* Neither the path as given nor any components examined by backing up
* were stat()able. - kw
*/
HTAlert(gettext("Unable to access cgi script"));
PERROR("stat() failed");
status = -4;
} else
#ifdef _WINDOWS /* 1998/01/14 (Wed) 09:16:04 */
#define isExecutable(mode) (mode & (S_IXUSR))
#else
#define isExecutable(mode) (mode & (S_IXUSR|S_IXGRP|S_IXOTH))
#endif
if (!(S_ISREG(stat_buf.st_mode) && isExecutable(stat_buf.st_mode))) {
/*
* Not a runnable file, See if we can load it using "file:" code.
*/
char *new_arg = NULL;
/*
* But try "file:" only if the file we are looking at is the path as
* given (no path_info was extracted), otherwise it will be to
* confusing to know just what file is loaded. - kw
*/
if (path_info) {
CTRACE((tfp,
"%s is not a file and %s not an executable, giving up.\n",
orig_pgm, pgm));
FREE(path_info);
FREE(pgm);
FREE(orig_pgm);
status = -4;
return (status);
}
LYLocalFileToURL(&new_arg, orig_pgm);
CTRACE((tfp, "%s is not an executable file, passing the buck.\n", arg));
status = HTLoadFile(new_arg, anAnchor, format_out, sink);
FREE(new_arg);
} else if (path_info &&
anAnchor != HTMainAnchor &&
!(reloading && anAnchor->document) &&
strcmp(arg, HTLoadedDocumentURL()) &&
HText_AreDifferent(anAnchor, arg) &&
HTUnEscape(orig_pgm) &&
!can_exec_cgi(orig_pgm, "")) {
/*
* If we have extra path info and are not just reloading the current,
* check the full file path (after unescaping) now to catch forbidden
* segments. - kw
*/
status = HT_NOT_LOADED;
} else if (no_lynxcgi) {
HTUserMsg(CGI_DISABLED);
status = HT_NOT_LOADED;
} else if (no_bookmark_exec &&
anAnchor != HTMainAnchor &&
!(reloading && anAnchor->document) &&
strcmp(arg, HTLoadedDocumentURL()) &&
HText_AreDifferent(anAnchor, arg) &&
HTLoadedDocumentBookmark()) {
/*
* If we are reloading a lynxcgi document that had already been loaded,
* the various checks above should allow it even if no_bookmark_exec is
* TRUE an we are not now coming from a bookmark page. - kw
*/
HTUserMsg(BOOKMARK_EXEC_DISABLED);
status = HT_NOT_LOADED;
} else if (anAnchor != HTMainAnchor &&
!(reloading && anAnchor->document) &&
strcmp(arg, HTLoadedDocumentURL()) &&
HText_AreDifferent(anAnchor, arg) &&
!can_exec_cgi(pgm, pgm_args)) {
/*
* If we are reloading a lynxcgi document that had already been loaded,
* the various checks above should allow it even if exec_ok() would
* reject it because we are not now coming from a document with a URL
* allowed by TRUSTED_LYNXCGI rules. - kw
*/
status = HT_NOT_LOADED;
} else {
HTFormat format_in;
HTStream *target = NULL; /* Unconverted data */
int fd1[2], fd2[2];
char buf[MAX_LINE];
int pid;
#ifdef HAVE_TYPE_UNIONWAIT
union wait wstatus;
#else
int wstatus;
#endif
fd1[0] = -1;
fd1[1] = -1;
fd2[0] = -1;
fd2[1] = -1;
if (anAnchor->isHEAD || keep_mime_headers) {
/* Show output as plain text */
format_in = WWW_PLAINTEXT;
} else {
/* Decode full HTTP response */
format_in = HTAtom_for("www/mime");
}
target = HTStreamStack(format_in,
format_out,
sink, anAnchor);
if (!target || target == NULL) {
char *tmp = 0;
HTSprintf0(&tmp, CANNOT_CONVERT_I_TO_O,
HTAtom_name(format_in),
HTAtom_name(format_out));
HTAlert(tmp);
FREE(tmp);
status = HT_NOT_LOADED;
} else if (anAnchor->post_data && pipe(fd1) < 0) {
HTAlert(CONNECT_SET_FAILED);
PERROR("pipe() failed");
status = -3;
} else if (pipe(fd2) < 0) {
HTAlert(CONNECT_SET_FAILED);
PERROR("pipe() failed");
close(fd1[0]);
close(fd1[1]);
status = -3;
} else {
static BOOL first_time = TRUE; /* One time setup flag */
if (first_time) { /* Set up static environment variables */
first_time = FALSE; /* Only once */
add_environment_value("REMOTE_HOST=localhost");
add_environment_value("REMOTE_ADDR=127.0.0.1");
HTSprintf0(&user_agent, "HTTP_USER_AGENT=%s/%s libwww/%s",
LYNX_NAME, LYNX_VERSION, HTLibraryVersion);
add_environment_value(user_agent);
HTSprintf0(&server_software, "SERVER_SOFTWARE=%s/%s",
LYNX_NAME, LYNX_VERSION);
add_environment_value(server_software);
}
fflush(stdout);
fflush(stderr);
CTRACE_FLUSH(tfp);
if ((pid = fork()) > 0) { /* The good, */
ssize_t chars;
off_t total_chars;
close(fd2[1]);
if (anAnchor->post_data) {
ssize_t written;
int remaining, total_written = 0;
close(fd1[0]);
/* We have form data to push across the pipe */
if (TRACE) {
CTRACE((tfp,
"LYNXCGI: Doing post, content-type '%s'\n",
anAnchor->post_content_type));
CTRACE((tfp, "LYNXCGI: Writing:\n"));
trace_bstring(anAnchor->post_data);
CTRACE((tfp, "----------------------------------\n"));
}
remaining = BStrLen(anAnchor->post_data);
while ((written = write(fd1[1],
BStrData(anAnchor->post_data) + total_written,
(size_t) remaining)) != 0) {
if (written < 0) {
#ifdef EINTR
if (errno == EINTR)
continue;
#endif /* EINTR */
#ifdef ERESTARTSYS
if (errno == ERESTARTSYS)
continue;
#endif /* ERESTARTSYS */
PERROR("write() of POST data failed");
break;
}
CTRACE((tfp, "LYNXCGI: Wrote %d bytes of POST data.\n",
(int) written));
total_written += (int) written;
remaining -= (int) written;
if (remaining == 0)
break;
}
if (remaining != 0) {
CTRACE((tfp, "LYNXCGI: %d bytes remain unwritten!\n",
remaining));
}
close(fd1[1]);
}
HTReadProgress(total_chars = 0, (off_t) 0);
while ((chars = read(fd2[0], buf, sizeof(buf))) != 0) {
if (chars < 0) {
#ifdef EINTR
if (errno == EINTR)
continue;
#endif /* EINTR */
#ifdef ERESTARTSYS
if (errno == ERESTARTSYS)
continue;
#endif /* ERESTARTSYS */
PERROR("read() of CGI output failed");
break;
}
total_chars += (int) chars;
HTReadProgress(total_chars, (off_t) 0);
CTRACE((tfp, "LYNXCGI: Rx: %.*s\n", (int) chars, buf));
(*target->isa->put_block) (target, buf, (int) chars);
}
if (chars < 0 && total_chars == 0) {
status = HT_NOT_LOADED;
(*target->isa->_abort) (target, NULL);
target = NULL;
} else if (chars != 0) {
status = HT_PARTIAL_CONTENT;
} else {
status = HT_LOADED;
}
#ifndef HAVE_WAITPID
while (wait(&wstatus) != pid) ; /* do nothing */
#else
while (-1 == waitpid(pid, &wstatus, 0)) { /* wait for child */
#ifdef EINTR
if (errno == EINTR)
continue;
#endif /* EINTR */
#ifdef ERESTARTSYS
if (errno == ERESTARTSYS)
continue;
#endif /* ERESTARTSYS */
break;
}
#endif /* !HAVE_WAITPID */
close(fd2[0]);
} else if (pid == 0) { /* The Bad, */
char **argv = NULL;
int argv_cnt = 3; /* name, one arg and terminator */
char **cur_argv = NULL;
int exec_errno;
/* Set up output pipe */
close(fd2[0]);
dup2(fd2[1], fileno(stdout)); /* Should check success code */
dup2(fd2[1], fileno(stderr));
close(fd2[1]);
if (non_empty(language)) {
HTSprintf0(&accept_language, "HTTP_ACCEPT_LANGUAGE=%s", language);
add_environment_value(accept_language);
}
if (non_empty(pref_charset)) {
cp = NULL;
StrAllocCopy(cp, "HTTP_ACCEPT_CHARSET=");
StrAllocCat(cp, pref_charset);
add_environment_value(cp);
}
if (anAnchor->post_data &&
anAnchor->post_content_type) {
cp = NULL;
StrAllocCopy(cp, "CONTENT_TYPE=");
StrAllocCat(cp, anAnchor->post_content_type);
add_environment_value(cp);
}
if (anAnchor->post_data) { /* post script, read stdin */
close(fd1[1]);
dup2(fd1[0], fileno(stdin));
close(fd1[0]);
/* Build environment variables */
add_environment_value("REQUEST_METHOD=POST");
HTSprintf0(&post_len, "CONTENT_LENGTH=%d",
BStrLen(anAnchor->post_data));
add_environment_value(post_len);
} else {
close(fileno(stdin));
if (anAnchor->isHEAD) {
add_environment_value("REQUEST_METHOD=HEAD");
}
}
/*
* Set up argument line, mainly for <index> scripts
*/
if (pgm_args != NULL) {
for (cp = pgm_args; *cp != '\0'; cp++) {
if (*cp == '+') {
argv_cnt++;
}
}
}
argv = (char **) malloc((unsigned) argv_cnt * sizeof(char *));
if (argv == NULL) {
outofmem(__FILE__, "LYCgi");
}
assert(argv != NULL);
cur_argv = argv + 1; /* For argv[0] */
if (pgm_args != NULL) {
char *cr;
/* Data for a get/search form */
if (is_www_index) {
add_environment_value("REQUEST_METHOD=SEARCH");
} else if (!anAnchor->isHEAD && !anAnchor->post_data) {
add_environment_value("REQUEST_METHOD=GET");
}
cp = NULL;
StrAllocCopy(cp, "QUERY_STRING=");
StrAllocCat(cp, pgm_args);
add_environment_value(cp);
/*
* Split up arguments into argv array
*/
cp = pgm_args;
cr = cp;
while (1) {
if (*cp == '\0') {
*(cur_argv++) = HTUnEscape(cr);
break;
} else if (*cp == '+') {
*cp++ = '\0';
*(cur_argv++) = HTUnEscape(cr);
cr = cp;
}
cp++;
}
} else if (!anAnchor->isHEAD && !anAnchor->post_data) {
add_environment_value("REQUEST_METHOD=GET");
}
*cur_argv = NULL; /* Terminate argv */
argv[0] = pgm;
/* Begin WebSter Mods -jkt */
if (LYCgiDocumentRoot != NULL) {
/* Add DOCUMENT_ROOT to env */
cp = NULL;
StrAllocCopy(cp, "DOCUMENT_ROOT=");
StrAllocCat(cp, LYCgiDocumentRoot);
add_environment_value(cp);
}
if (path_info != NULL) {
/* Add PATH_INFO to env */
cp = NULL;
StrAllocCopy(cp, "PATH_INFO=");
StrAllocCat(cp, path_info);
add_environment_value(cp);
}
if (LYCgiDocumentRoot != NULL && path_info != NULL) {
/* Construct and add PATH_TRANSLATED to env */
StrAllocCopy(document_root, LYCgiDocumentRoot);
LYTrimHtmlSep(document_root);
path_translated = document_root;
StrAllocCat(path_translated, path_info);
cp = NULL;
StrAllocCopy(cp, "PATH_TRANSLATED=");
StrAllocCat(cp, path_translated);
add_environment_value(cp);
FREE(path_translated);
}
/* End WebSter Mods -jkt */
execve(argv[0], argv, env);
exec_errno = errno;
PERROR("execve failed");
printf("Content-Type: text/plain\r\n\r\n");
if (!anAnchor->isHEAD) {
printf("exec of %s failed", pgm);
printf(": %s.\r\n", LYStrerror(exec_errno));
}
fflush(stdout);
fflush(stderr);
_exit(1);
} else { /* and the Ugly */
HTAlert(CONNECT_FAILED);
PERROR("fork() failed");
close(fd1[0]);
close(fd1[1]);
close(fd2[0]);
close(fd2[1]);
status = -1;
}
}
if (target != NULL) {
(*target->isa->_free) (target);
}
}
FREE(path_info);
FREE(pgm);
FREE(orig_pgm);
#else /* VMS */
HTStream *target;
char *buf = 0;
target = HTStreamStack(WWW_HTML,
format_out,
sink, anAnchor);
HTSprintf0(&buf, "<html>\n<head>\n<title>%s</title>\n</head>\n<body>\n",
gettext("Good Advice"));
PUTS(buf);
HTSprintf0(&buf, "<h1>%s</h1>\n", gettext("Good Advice"));
PUTS(buf);
HTSprintf0(&buf, "%s <a\n",
gettext("An excellent http server for VMS is available via"));
PUTS(buf);
HTSprintf0(&buf,
"href=\"http://www.ecr6.ohio-state.edu/www/doc/serverinfo.html\"\n");
PUTS(buf);
HTSprintf0(&buf, ">%s</a>.\n", gettext("this link"));
PUTS(buf);
HTSprintf0(&buf, "<p>%s\n",
gettext("It provides state of the art CGI script support.\n"));
PUTS(buf);
HTSprintf0(&buf, "</body>\n</html>\n");
PUTS(buf);
(*target->isa->_free) (target);
FREE(buf);
status = HT_LOADED;
#endif /* VMS */
#else /* LYNXCGI_LINKS */
HTUserMsg(CGI_NOT_COMPILED);
status = HT_NOT_LOADED;
#endif /* LYNXCGI_LINKS */
(void) arg;
(void) anAnchor;
(void) format_out;
(void) sink;
return (status);
}
