int /* O - Non-zero if there was form data */
cgiInitialize(void)
{
const char *method, /* Form posting method */
*content_type, /* Content-Type of post data */
*cups_sid_cookie, /* SID cookie */
*cups_sid_form; /* SID form variable */
/*
* Setup a password callback for authentication...
*/
cupsSetPasswordCB(cgi_passwd);
/*
* Set the locale so that times, etc. are formatted properly...
*/
setlocale(LC_ALL, "");
#ifdef DEBUG
/*
* Disable output buffering to find bugs...
*/
setbuf(stdout, NULL);
#endif /* DEBUG */
/*
* Get cookies...
*/
cgi_initialize_cookies();
if ((cups_sid_cookie = cgiGetCookie(CUPS_SID)) == NULL)
{
fputs("DEBUG: " CUPS_SID " cookie not found, initializing!\n", stderr);
cups_sid_cookie = cgi_set_sid();
}
fprintf(stderr, "DEBUG: " CUPS_SID " cookie is \"%s\"\n", cups_sid_cookie);
/*
* Get the request method (GET or POST)...
*/
method = getenv("REQUEST_METHOD");
content_type = getenv("CONTENT_TYPE");
if (!method)
return (0);
/*
* Grab form data from the corresponding location...
*/
if (!_cups_strcasecmp(method, "GET"))
return (cgi_initialize_get());
else if (!_cups_strcasecmp(method, "POST") && content_type)
{
const char *boundary = strstr(content_type, "boundary=");
if (boundary)
boundary += 9;
if (content_type && !strncmp(content_type, "multipart/form-data; ", 21))
{
if (!cgi_initialize_multipart(boundary))
return (0);
}
else if (!cgi_initialize_post())
return (0);
if ((cups_sid_form = cgiGetVariable(CUPS_SID)) == NULL ||
strcmp(cups_sid_cookie, cups_sid_form))
{
if (cups_sid_form)
fprintf(stderr, "DEBUG: " CUPS_SID " form variable is \"%s\"\n",
cups_sid_form);
else
fputs("DEBUG: " CUPS_SID " form variable is not present.\n", stderr);
cgiClearVariables();
return (0);
}
else
return (1);
}
else
return (0);
}
int /* O - Exit status */
main(int argc, /* I - Number of command-line arguments */
char *argv[]) /* I - Command-line arguments */
{
help_index_t *hi, /* Help index */
*si; /* Search index */
help_node_t *n; /* Current help node */
int i; /* Looping var */
const char *query; /* Search query */
const char *cache_dir; /* CUPS_CACHEDIR environment variable */
const char *docroot; /* CUPS_DOCROOT environment variable */
const char *helpfile, /* Current help file */
*helptitle = NULL; /* Current help title */
const char *topic; /* Current topic */
char topic_data[1024]; /* Topic form data */
const char *section; /* Current section */
char filename[1024], /* Filename */
directory[1024]; /* Directory */
cups_file_t *fp; /* Help file */
char line[1024]; /* Line from file */
int printable; /* Show printable version? */
/*
* Get any form variables...
*/
cgiInitialize();
printable = cgiGetVariable("PRINTABLE") != NULL;
/*
* Set the web interface section...
*/
cgiSetVariable("SECTION", "help");
cgiSetVariable("REFRESH_PAGE", "");
/*
* Load the help index...
*/
if ((cache_dir = getenv("CUPS_CACHEDIR")) == NULL)
cache_dir = CUPS_CACHEDIR;
snprintf(filename, sizeof(filename), "%s/help.index", cache_dir);
if ((docroot = getenv("CUPS_DOCROOT")) == NULL)
docroot = CUPS_DOCROOT;
snprintf(directory, sizeof(directory), "%s/help", docroot);
fprintf(stderr, "DEBUG: helpLoadIndex(filename=\"%s\", directory=\"%s\")\n",
filename, directory);
hi = helpLoadIndex(filename, directory);
if (!hi)
{
perror(filename);
cgiStartHTML(cgiText(_("Online Help")));
cgiSetVariable("ERROR", cgiText(_("Unable to load help index.")));
cgiCopyTemplateLang("error.tmpl");
cgiEndHTML();
return (1);
}
fprintf(stderr, "DEBUG: %d nodes in help index...\n",
cupsArrayCount(hi->nodes));
/*
* See if we are viewing a file...
*/
for (i = 0; i < argc; i ++)
fprintf(stderr, "DEBUG: argv[%d]=\"%s\"\n", i, argv[i]);
if ((helpfile = getenv("PATH_INFO")) != NULL)
{
helpfile ++;
if (!*helpfile)
helpfile = NULL;
}
if (helpfile)
{
/*
* Verify that the help file exists and is part of the index...
*/
snprintf(filename, sizeof(filename), "%s/help/%s", docroot, helpfile);
fprintf(stderr, "DEBUG: helpfile=\"%s\", filename=\"%s\"\n",
helpfile, filename);
if (access(filename, R_OK))
{
perror(filename);
cgiStartHTML(cgiText(_("Online Help")));
cgiSetVariable("ERROR", cgiText(_("Unable to access help file.")));
cgiCopyTemplateLang("error.tmpl");
cgiEndHTML();
return (1);
}
if ((n = helpFindNode(hi, helpfile, NULL)) == NULL)
{
cgiStartHTML(cgiText(_("Online Help")));
cgiSetVariable("ERROR", cgiText(_("Help file not in index.")));
cgiCopyTemplateLang("error.tmpl");
cgiEndHTML();
return (1);
}
/*
* Save the page title and help file...
*/
helptitle = n->text;
topic = n->section;
/*
* Send a standard page header...
*/
if (printable)
puts("Content-Type: text/html;charset=utf-8\n");
else
cgiStartHTML(n->text);
}
else
{
/*
* Send a standard page header...
*/
cgiStartHTML(cgiText(_("Online Help")));
topic = cgiGetVariable("TOPIC");
}
/*
* Do a search as needed...
*/
if (cgiGetVariable("CLEAR"))
cgiSetVariable("QUERY", "");
query = cgiGetVariable("QUERY");
si = helpSearchIndex(hi, query, topic, helpfile);
cgiClearVariables();
if (query)
cgiSetVariable("QUERY", query);
if (topic)
cgiSetVariable("TOPIC", topic);
if (helpfile)
cgiSetVariable("HELPFILE", helpfile);
if (helptitle)
cgiSetVariable("HELPTITLE", helptitle);
fprintf(stderr, "DEBUG: query=\"%s\", topic=\"%s\"\n",
query ? query : "(null)", topic ? topic : "(null)");
if (si)
{
help_node_t *nn; /* Parent node */
fprintf(stderr,
"DEBUG: si=%p, si->sorted=%p, cupsArrayCount(si->sorted)=%d\n", si,
si->sorted, cupsArrayCount(si->sorted));
for (i = 0, n = (help_node_t *)cupsArrayFirst(si->sorted);
n;
i ++, n = (help_node_t *)cupsArrayNext(si->sorted))
{
if (helpfile && n->anchor)
snprintf(line, sizeof(line), "#%s", n->anchor);
else if (n->anchor)
snprintf(line, sizeof(line), "/help/%s?QUERY=%s#%s", n->filename,
query ? query : "", n->anchor);
else
snprintf(line, sizeof(line), "/help/%s?QUERY=%s", n->filename,
query ? query : "");
cgiSetArray("QTEXT", i, n->text);
cgiSetArray("QLINK", i, line);
if (!helpfile && n->anchor)
{
nn = helpFindNode(hi, n->filename, NULL);
snprintf(line, sizeof(line), "/help/%s?QUERY=%s", nn->filename,
query ? query : "");
cgiSetArray("QPTEXT", i, nn->text);
cgiSetArray("QPLINK", i, line);
}
else
{
cgiSetArray("QPTEXT", i, "");
cgiSetArray("QPLINK", i, "");
}
fprintf(stderr, "DEBUG: [%d] = \"%s\" @ \"%s\"\n", i, n->text, line);
}
helpDeleteIndex(si);
}
/*
* OK, now list the bookmarks within the index...
*/
for (i = 0, section = NULL, n = (help_node_t *)cupsArrayFirst(hi->sorted);
n;
n = (help_node_t *)cupsArrayNext(hi->sorted))
{
if (n->anchor)
continue;
/*
* Add a section link as needed...
*/
if (n->section &&
(!section || strcmp(n->section, section)))
{
/*
* Add a link for this node...
*/
snprintf(line, sizeof(line), "/help/?TOPIC=%s&QUERY=%s",
cgiFormEncode(topic_data, n->section, sizeof(topic_data)),
query ? query : "");
cgiSetArray("BMLINK", i, line);
cgiSetArray("BMTEXT", i, n->section);
cgiSetArray("BMINDENT", i, "0");
i ++;
section = n->section;
}
if (!topic || strcmp(n->section, topic))
continue;
/*
* Add a link for this node...
*/
snprintf(line, sizeof(line), "/help/%s?TOPIC=%s&QUERY=%s", n->filename,
cgiFormEncode(topic_data, n->section, sizeof(topic_data)),
query ? query : "");
cgiSetArray("BMLINK", i, line);
cgiSetArray("BMTEXT", i, n->text);
cgiSetArray("BMINDENT", i, "1");
i ++;
if (helpfile && !strcmp(helpfile, n->filename))
{
help_node_t *nn; /* Pointer to sub-node */
cupsArraySave(hi->sorted);
for (nn = (help_node_t *)cupsArrayFirst(hi->sorted);
nn;
nn = (help_node_t *)cupsArrayNext(hi->sorted))
if (nn->anchor && !strcmp(helpfile, nn->filename))
{
/*
* Add a link for this node...
*/
snprintf(line, sizeof(line), "#%s", nn->anchor);
cgiSetArray("BMLINK", i, line);
cgiSetArray("BMTEXT", i, nn->text);
cgiSetArray("BMINDENT", i, "2");
i ++;
}
cupsArrayRestore(hi->sorted);
}
}
/*
* Show the search and bookmark content...
*/
if (!helpfile || !printable)
cgiCopyTemplateLang("help-header.tmpl");
else
cgiCopyTemplateLang("help-printable.tmpl");
/*
* If we are viewing a file, copy it in now...
*/
if (helpfile)
{
if ((fp = cupsFileOpen(filename, "r")) != NULL)
{
int inbody; /* Are we inside the body? */
inbody = 0;
while (cupsFileGets(fp, line, sizeof(line)))
{
if (inbody)
{
if (!_cups_strncasecmp(line, "</BODY>", 7))
break;
printf("%s\n", line);
}
else if (!_cups_strncasecmp(line, "<BODY", 5))
inbody = 1;
}
cupsFileClose(fp);
}
else
{
perror(filename);
cgiSetVariable("ERROR", cgiText(_("Unable to open help file.")));
cgiCopyTemplateLang("error.tmpl");
}
}
/*
* Send a standard trailer...
*/
if (!printable)
{
cgiCopyTemplateLang("help-trailer.tmpl");
cgiEndHTML();
}
else
puts("</BODY>\n</HTML>");
/*
* Delete the index...
*/
helpDeleteIndex(hi);
/*
* Return with no errors...
*/
return (0);
}
