5 * \defgroup MainServer This is the main transaction loop of the web service. It maintains a
6 * persistent session to the Citadel server, handling HTTP WebCit requests as
7 * they arrive and presenting a user interface.
8 * \ingroup WebcitHttpServer
13 #include "webserver.h"
14 #include "mime_parser.h"
20 * String to unset the cookie.
21 * Any date "in the past" will work, so I chose my birthday, right down to
22 * the exact minute. :)
24 static char *unset = "; expires=28-May-1971 18:10:00 GMT";
27 * \brief remove escaped strings from i.e. the url string (like %20 for blanks)
28 * \param buf the buffer to examine
30 void unescape_input(char *buf)
38 while ((isspace(buf[buflen - 1])) && (buflen > 0)){
43 for (a = 0; a < buflen; ++a) {
51 sscanf(hex, "%02x", &b);
53 memmove(&buf[a + 1], &buf[a + 3], buflen - a - 2);
62 * \brief Extract variables from the URL.
63 * \param url URL supplied by the HTTP parser
65 void addurls(char *url)
73 while (!IsEmptyStr(up)) {
75 /** locate the = sign */
76 safestrncpy(buf, up, sizeof buf);
78 for (a = 255; a >= 0; --a)
85 u = (struct urlcontent *) malloc(sizeof(struct urlcontent));
86 u->next = WC->urlstrings;
88 safestrncpy(u->url_key, buf, sizeof u->url_key);
90 /** now chop that part off */
91 for (a = 0; a <= b; ++a)
94 /** locate "&" and "?" delimiters */
97 for (a = 0; a < len; ++a) {
98 if ( (ptr[0] == '&') || (ptr[0] == '?') ) {
108 u->url_data = malloc(len + 2);
109 safestrncpy(u->url_data, up, b + 1);
111 unescape_input(u->url_data);
115 /* lprintf(9, "%s = %s\n", u->url_key, u->url_data); */
120 * \brief free urlstring memory
124 struct urlcontent *u;
126 while (WC->urlstrings != NULL) {
127 free(WC->urlstrings->url_data);
128 u = WC->urlstrings->next;
129 free(WC->urlstrings);
135 * \brief Diagnostic function to display the contents of all variables
139 struct urlcontent *u;
141 for (u = WC->urlstrings; u != NULL; u = u->next) {
142 wprintf("%38s = %s\n", u->url_key, u->url_data);
147 * \brief Return the value of a variable supplied to the current web page (from the url or a form)
148 * \param key The name of the variable we want
150 char *bstr(char *key)
152 struct urlcontent *u;
154 for (u = WC->urlstrings; u != NULL; u = u->next) {
155 if (!strcasecmp(u->url_key, key))
156 return (u->url_data);
162 * \brief web-printing funcion. uses our vsnprintf wrapper
163 * \param format printf format string
164 * \param ... the varargs to put into formatstring
166 void wprintf(const char *format,...)
171 va_start(arg_ptr, format);
172 vsnprintf(wbuf, sizeof wbuf, format, arg_ptr);
175 client_write(wbuf, strlen(wbuf));
180 * \brief wrap up an HTTP session, closes tags, etc.
181 * \todo multiline params?
182 * \param print_standard_html_footer should be set to 0 to transmit only, 1 to
183 * append the main menu and closing tags, or 2 to
184 * append the closing tags only.
186 void wDumpContent(int print_standard_html_footer)
188 if (print_standard_html_footer) {
189 wprintf("</div>\n"); /* end of "text" div */
190 do_template("trailing");
193 /* If we've been saving it all up for one big output burst,
194 * go ahead and do that now.
201 * \brief Copy a string, escaping characters which have meaning in HTML.
202 * \param target target buffer
203 * \param strbuf source buffer
204 * \param nbsp If nonzero, spaces are converted to non-breaking spaces.
205 * \param nolinebreaks if set, linebreaks are removed from the string.
207 void stresc(char *target, char *strbuf, int nbsp, int nolinebreaks)
212 len = strlen(strbuf);
213 for (a = 0; a < len; ++a) {
214 if (strbuf[a] == '<')
215 strcat(target, "<");
216 else if (strbuf[a] == '>')
217 strcat(target, ">");
218 else if (strbuf[a] == '&')
219 strcat(target, "&");
220 else if (strbuf[a] == '\"')
221 strcat(target, """);
222 else if (strbuf[a] == '\'')
223 strcat(target, "'");
224 else if (strbuf[a] == LB)
226 else if (strbuf[a] == RB)
228 else if (strbuf[a] == QU)
229 strcat(target, "\"");
230 else if ((strbuf[a] == 32) && (nbsp == 1))
231 strcat(target, " ");
232 else if ((strbuf[a] == '\n') && (nolinebreaks))
233 strcat(target, ""); /* nothing */
234 else if ((strbuf[a] == '\r') && (nolinebreaks))
235 strcat(target, ""); /* nothing */
237 strncat(target, &strbuf[a], 1);
243 * \param strbuf what???
244 * \param nbsp If nonzero, spaces are converted to non-breaking spaces.
245 * \param nolinebreaks if set, linebreaks are removed from the string.
247 void escputs1(char *strbuf, int nbsp, int nolinebreaks)
251 if (strbuf == NULL) return;
252 buf = malloc( (3 * strlen(strbuf)) + SIZ );
253 stresc(buf, strbuf, nbsp, nolinebreaks);
259 * \brief static wrapper for ecsputs1
260 * \param strbuf buffer to print escaped to client
262 void escputs(char *strbuf)
264 escputs1(strbuf, 0, 0);
268 * \brief Escape a string for feeding out as a URL.
269 * \param outbuf the output buffer
270 * \param strbuf the input buffer
272 void urlesc(char *outbuf, char *strbuf)
274 int a, b, c, len, eclen, olen;
275 char *ec = " #&;`'|*?-~<>^()[]{}/$\"\\";
278 len = strlen(strbuf);
281 for (a = 0; a < len; ++a) {
283 for (b = 0; b < eclen; ++b) {
284 if (strbuf[a] == ec[b])
288 sprintf(&outbuf[olen], "%%%02x", strbuf[a]);
292 outbuf[olen ++] = strbuf[a];
298 * \brief urlescape buffer and print it to the client
299 * \param strbuf buffer to urlescape
301 void urlescputs(char *strbuf)
305 urlesc(outbuf, strbuf);
306 wprintf("%s", outbuf);
311 * \brief Copy a string, escaping characters for JavaScript strings.
312 * \param target output string
313 * \param strbuf input string
315 void jsesc(char *target, char *strbuf)
320 len = strlen (strbuf);
321 for (a = 0; a < len; ++a) {
322 if (strbuf[a] == '<')
324 else if (strbuf[a] == '>')
326 else if (strbuf[a] == '\"')
327 strcat(target, """);
328 else if (strbuf[a] == '&')
329 strcat(target, "&;");
330 else if (strbuf[a] == '\'')
331 strcat(target, "\\'");
333 strncat(target, &strbuf[a], 1);
339 * \brief escape and print java script
340 * \param strbuf the js code
342 void jsescputs(char *strbuf)
346 jsesc(outbuf, strbuf);
347 wprintf("%s", outbuf);
351 * \brief Copy a string, escaping characters for message text hold
352 * \param target target buffer
353 * \param strbuf source buffer
355 void msgesc(char *target, char *strbuf)
360 len = strlen(strbuf);
361 for (a = 0; a < len; ++a) {
362 if (strbuf[a] == '\n')
364 else if (strbuf[a] == '\r')
366 else if (strbuf[a] == '\'')
367 strcat(target, "'");
369 strncat(target, &strbuf[a], 1);
375 * \brief print a string to the client after cleaning it with msgesc() and stresc()
376 * \param strbuf string to be printed
378 void msgescputs1( char *strbuf)
384 if (strbuf == NULL) return;
385 buflen = 3 * strlen(strbuf) + SIZ;
386 outbuf = malloc( buflen);
387 outbuf2 = malloc( buflen);
388 msgesc(outbuf, strbuf);
389 stresc(outbuf2, outbuf, 0, 0);
390 wprintf("%s", outbuf2);
396 * \brief print a string to the client after cleaning it with msgesc()
397 * \param strbuf string to be printed
399 void msgescputs(char *strbuf) {
402 if (strbuf == NULL) return;
403 outbuf = malloc( (3 * strlen(strbuf)) + SIZ);
404 msgesc(outbuf, strbuf);
405 wprintf("%s", outbuf);
413 * \brief Output all that important stuff that the browser will want to see
415 void output_headers( int do_httpheaders, /**< 1 = output HTTP headers */
416 int do_htmlhead, /**< 1 = output HTML <head> section and <body> opener */
418 int do_room_banner, /**< 0=no, 1=yes,
419 * 2 = I'm going to embed my own, so don't open the
420 * <div id="content"> either.
423 int unset_cookies, /**< 1 = session is terminating, so unset the cookies */
424 int suppress_check, /**< 1 = suppress check for instant messages */
425 int cache /**< 1 = allow browser to cache this page */
430 wprintf("HTTP/1.1 200 OK\n");
431 http_datestring(httpnow, sizeof httpnow, time(NULL));
433 if (do_httpheaders) {
434 wprintf("Content-type: text/html; charset=utf-8\r\n"
436 "Connection: close\r\n",
437 SERVER, serv_info.serv_software
442 wprintf("Pragma: public\r\n"
443 "Cache-Control: max-age=3600, must-revalidate\r\n"
444 "Last-modified: %s\r\n",
449 wprintf("Pragma: no-cache\r\n"
450 "Cache-Control: no-store\r\n"
454 stuff_to_cookie(cookie, WC->wc_session, WC->wc_username,
455 WC->wc_password, WC->wc_roomname);
458 wprintf("Set-cookie: webcit=%s; path=/\r\n", unset);
460 wprintf("Set-cookie: webcit=%s; path=/\r\n", cookie);
461 if (server_cookie != NULL) {
462 wprintf("%s\n", server_cookie);
468 if (!access("static.local/webcit.css", R_OK)) {
469 svprintf("CSSLOCAL", WCS_STRING,
470 "<link href=\"static.local/webcit.css\" rel=\"stylesheet\" type=\"text/css\">"
480 /** check for ImportantMessages (these display in a div overlaying the main screen) */
481 if (!IsEmptyStr(WC->ImportantMessage)) {
482 wprintf("<div id=\"important_message\">\n");
483 wprintf("<span class=\"imsg\">"
484 "%s</span><br />\n", WC->ImportantMessage);
486 wprintf("<script type=\"text/javascript\">\n"
487 " setTimeout('hide_imsg_popup()', 3000); \n"
489 safestrncpy(WC->ImportantMessage, "", sizeof WC->ImportantMessage);
492 if ( (WC->logged_in) && (!unset_cookies) ) {
493 wprintf("<div id=\"iconbar\">");
494 do_selected_iconbar();
495 /** check for instant messages (these display in a new window) */
500 if (do_room_banner == 1) {
501 wprintf("<div id=\"banner\">\n");
502 embed_room_banner(NULL, navbar_default);
507 if (do_room_banner == 1) {
508 wprintf("<div id=\"content\">\n");
514 * \brief Generic function to do an HTTP redirect. Easy and fun.
515 * \param whichpage target url to 302 to
517 void http_redirect(char *whichpage) {
518 wprintf("HTTP/1.1 302 Moved Temporarily\n");
519 wprintf("Location: %s\r\n", whichpage);
520 wprintf("URI: %s\r\n", whichpage);
521 wprintf("Content-type: text/html; charset=utf-8\r\n\r\n");
522 wprintf("<html><body>");
523 wprintf("Go <a href=\"%s\">here</A>.", whichpage);
524 wprintf("</body></html>\n");
530 * \brief Output a piece of content to the web browser
532 void http_transmit_thing(char *thing, size_t length, char *content_type,
535 output_headers(0, 0, 0, 0, 0, is_static);
537 wprintf("Content-type: %s\r\n"
539 "Connection: close\r\n",
544 /** If we can send the data out compressed, please do so. */
546 char *compressed_data = NULL;
547 uLongf compressed_len;
549 compressed_len = (uLongf) ((length * 101) / 100) + 100;
550 compressed_data = malloc(compressed_len);
552 if (compress_gzip((Bytef *) compressed_data,
555 (uLongf) length, Z_BEST_SPEED) == Z_OK) {
556 wprintf("Content-encoding: gzip\r\n"
557 "Content-length: %ld\r\n"
559 (long) compressed_len
561 client_write(compressed_data, (size_t)compressed_len);
562 free(compressed_data);
568 /** No compression ... just send it out as-is */
569 wprintf("Content-length: %ld\r\n"
573 client_write(thing, (size_t)length);
577 * \brief print menu box like used in the floor view or admin interface.
578 * This function takes pair of strings as va_args,
579 * \param Title Title string of the box
580 * \param Class CSS Class for the box
581 * \param nLines How many string pairs should we print? (URL, UrlText)
582 * \param ... Pairs of URL Strings and their Names
584 void print_menu_box(char* Title, char *Class, int nLines, ...)
589 svprintf("BOXTITLE", WCS_STRING, Title);
590 do_template("beginbox");
592 wprintf("<ul class=\"%s\">", Class);
594 va_start(arg_list, (nLines * 2));
595 for (i = 0; i < nLines * 2; i += 2)
597 wprintf("<li><a href=\"%s\">", va_arg(arg_list, char *));
598 wprintf((char *) va_arg(arg_list, char *));
599 wprintf("</a></li>\n");
603 wprintf("</a></li>\n");
607 do_template("endbox");
612 * \brief dump out static pages from disk
613 * \param what the file urs to print
615 void output_static(char *what)
621 char content_type[128];
624 fp = fopen(what, "rb");
626 lprintf(9, "output_static('%s') -- NOT FOUND --\n", what);
627 wprintf("HTTP/1.1 404 %s\n", strerror(errno));
628 wprintf("Content-Type: text/plain\r\n");
630 wprintf("Cannot open %s: %s\n", what, strerror(errno));
633 if (!strncasecmp(&what[len - 4], ".gif", 4))
634 safestrncpy(content_type, "image/gif", sizeof content_type);
635 else if (!strncasecmp(&what[len - 4], ".txt", 4))
636 safestrncpy(content_type, "text/plain", sizeof content_type);
637 else if (!strncasecmp(&what[len - 4], ".css", 4))
638 safestrncpy(content_type, "text/css", sizeof content_type);
639 else if (!strncasecmp(&what[len - 4], ".jpg", 4))
640 safestrncpy(content_type, "image/jpeg", sizeof content_type);
641 else if (!strncasecmp(&what[len - 4], ".png", 4))
642 safestrncpy(content_type, "image/png", sizeof content_type);
643 else if (!strncasecmp(&what[len - 4], ".ico", 4))
644 safestrncpy(content_type, "image/x-icon", sizeof content_type);
645 else if (!strncasecmp(&what[len - 5], ".html", 5))
646 safestrncpy(content_type, "text/html", sizeof content_type);
647 else if (!strncasecmp(&what[len - 4], ".htm", 4))
648 safestrncpy(content_type, "text/html", sizeof content_type);
649 else if (!strncasecmp(&what[len - 4], ".wml", 4))
650 safestrncpy(content_type, "text/vnd.wap.wml", sizeof content_type);
651 else if (!strncasecmp(&what[len - 5], ".wmls", 5))
652 safestrncpy(content_type, "text/vnd.wap.wmlscript", sizeof content_type);
653 else if (!strncasecmp(&what[len - 5], ".wmlc", 5))
654 safestrncpy(content_type, "application/vnd.wap.wmlc", sizeof content_type);
655 else if (!strncasecmp(&what[len - 6], ".wmlsc", 6))
656 safestrncpy(content_type, "application/vnd.wap.wmlscriptc", sizeof content_type);
657 else if (!strncasecmp(&what[len - 5], ".wbmp", 5))
658 safestrncpy(content_type, "image/vnd.wap.wbmp", sizeof content_type);
659 else if (!strncasecmp(&what[len - 3], ".js", 3))
660 safestrncpy(content_type, "text/javascript", sizeof content_type);
662 safestrncpy(content_type, "application/octet-stream", sizeof content_type);
664 fstat(fileno(fp), &statbuf);
665 bytes = statbuf.st_size;
666 bigbuffer = malloc(bytes + 2);
667 fread(bigbuffer, bytes, 1, fp);
670 lprintf(9, "output_static('%s') %s\n", what, content_type);
671 http_transmit_thing(bigbuffer, (size_t)bytes, content_type, 1);
674 if (!strcasecmp(bstr("force_close_session"), "yes")) {
675 end_webcit_session();
681 * \brief When the browser requests an image file from the Citadel server,
682 * this function is called to transmit it.
687 char *xferbuf = NULL;
690 serv_printf("OIMG %s|%s", bstr("name"), bstr("parm"));
691 serv_getln(buf, sizeof buf);
693 bytes = extract_long(&buf[4], 0);
694 xferbuf = malloc(bytes + 2);
696 /** Read it from the server */
697 read_server_binary(xferbuf, bytes);
699 serv_getln(buf, sizeof buf);
701 /** Write it to the browser */
702 http_transmit_thing(xferbuf, (size_t)bytes, "image/gif", 0);
707 * Instead of an ugly 404, send a 1x1 transparent GIF
708 * when there's no such image on the server.
710 output_static("static/blank.gif");
718 * \brief Generic function to output an arbitrary MIME part from an arbitrary
719 * message number on the server.
721 * \param msgnum Number of the item on the citadel server
722 * \param partnum The MIME part to be output
723 * \param force_download Nonzero to force set the Content-Type: header
724 * to "application/octet-stream"
726 void mimepart(char *msgnum, char *partnum, int force_download)
730 char content_type[256];
731 char *content = NULL;
733 serv_printf("OPNA %s|%s", msgnum, partnum);
734 serv_getln(buf, sizeof buf);
736 bytes = extract_long(&buf[4], 0);
737 content = malloc(bytes + 2);
738 if (force_download) {
739 strcpy(content_type, "application/octet-stream");
742 extract_token(content_type, &buf[4], 3, '|', sizeof content_type);
744 output_headers(0, 0, 0, 0, 0, 0);
745 read_server_binary(content, bytes);
747 serv_getln(buf, sizeof buf);
748 http_transmit_thing(content, bytes, content_type, 0);
751 wprintf("HTTP/1.1 404 %s\n", &buf[4]);
752 output_headers(0, 0, 0, 0, 0, 0);
753 wprintf("Content-Type: text/plain\r\n");
755 wprintf(_("An error occurred while retrieving this part: %s\n"), &buf[4]);
762 * \brief Read any MIME part of a message, from the server, into memory.
763 * \param msgnum number of the message on the citadel server
764 * \param partnum the MIME part to be loaded
766 char *load_mimepart(long msgnum, char *partnum)
770 char content_type[SIZ];
773 serv_printf("DLAT %ld|%s", msgnum, partnum);
774 serv_getln(buf, sizeof buf);
776 bytes = extract_long(&buf[4], 0);
777 extract_token(content_type, &buf[4], 3, '|', sizeof content_type);
779 content = malloc(bytes + 2);
780 serv_read(content, bytes);
782 content[bytes] = 0; /* null terminate for good measure */
793 * \brief Convenience functions to display a page containing only a string
794 * \param titlebarcolor color of the titlebar of the frame
795 * \param titlebarmsg text to display in the title bar
796 * \param messagetext body of the box
798 void convenience_page(char *titlebarcolor, char *titlebarmsg, char *messagetext)
800 wprintf("HTTP/1.1 200 OK\n");
801 output_headers(1, 1, 2, 0, 0, 0);
802 wprintf("<div id=\"banner\">\n");
803 wprintf("<table width=100%% border=0 bgcolor=\"#%s\"><tr><td>", titlebarcolor);
804 wprintf("<span class=\"titlebar\">%s</span>\n", titlebarmsg);
805 wprintf("</td></tr></table>\n");
806 wprintf("</div>\n<div id=\"content\">\n");
807 escputs(messagetext);
815 * \brief Display a blank page.
817 void blank_page(void) {
818 output_headers(1, 1, 0, 0, 0, 0);
824 * \brief A template has been requested
826 void url_do_template(void) {
827 do_template(bstr("template"));
833 * \brief Offer to make any page the user's "start page."
835 void offer_start_page(void) {
836 wprintf("<a href=\"change_start_page?startpage=");
837 urlescputs(WC->this_page);
839 wprintf(_("Make this my start page"));
842 wprintf("<br/><a href=\"rss?room=");
843 urlescputs(WC->wc_roomname);
844 wprintf("\" title=\"RSS 2.0 feed for ");
845 escputs(WC->wc_roomname);
846 wprintf("\"><img alt=\"RSS\" border=\"0\" src=\"static/xml_button.gif\"/></a>\n");
852 * \brief Change the user's start page
854 void change_start_page(void) {
856 if (bstr("startpage") == NULL) {
857 safestrncpy(WC->ImportantMessage,
858 _("You no longer have a start page selected."),
859 sizeof WC->ImportantMessage);
864 set_preference("startpage", bstr("startpage"), 1);
866 output_headers(1, 1, 0, 0, 0, 0);
867 do_template("newstartpage");
874 * \brief convenience function to indicate success
875 * \param successmessage the mesage itself
877 void display_success(char *successmessage)
879 convenience_page("007700", "OK", successmessage);
884 * \brief Authorization required page
885 * This is probably temporary and should be revisited
886 * \param message message to put in header
888 void authorization_required(const char *message)
890 wprintf("HTTP/1.1 401 Authorization Required\r\n");
891 wprintf("WWW-Authenticate: Basic realm=\"\"\r\n", serv_info.serv_humannode);
892 wprintf("Content-Type: text/html\r\n\r\n");
894 wprintf(_("Authorization Required"));
895 wprintf("</h1>\r\n");
896 wprintf(_("The resource you requested requires a valid username and password. "
897 "You could not be logged in: %s\n"), message);
902 * \brief This function is called by the MIME parser to handle data uploaded by
903 * the browser. Form data, uploaded files, and the data from HTTP PUT
904 * operations (such as those found in GroupDAV) all arrive this way.
906 * \param name Name of the item being uploaded
907 * \param filename Filename of the item being uploaded
908 * \param partnum MIME part identifier (not needed)
909 * \param disp MIME content disposition (not needed)
910 * \param content The actual data
911 * \param cbtype MIME content-type
912 * \param cbcharset Character set
913 * \param length Content length
914 * \param encoding MIME encoding type (not needed)
915 * \param userdata Not used here
917 void upload_handler(char *name, char *filename, char *partnum, char *disp,
918 void *content, char *cbtype, char *cbcharset,
919 size_t length, char *encoding, void *userdata)
921 struct urlcontent *u;
923 lprintf(9, "upload_handler() name=%s, type=%s, len=%d\n", name, cbtype, length);
926 if ( (length > 0) && (IsEmptyStr(cbtype)) ) {
927 u = (struct urlcontent *) malloc(sizeof(struct urlcontent));
928 u->next = WC->urlstrings;
930 safestrncpy(u->url_key, name, sizeof(u->url_key));
931 u->url_data = malloc(length + 1);
932 memcpy(u->url_data, content, length);
933 u->url_data[length] = 0;
934 /* lprintf(9, "Key: <%s> Data: <%s>\n", u->url_key, u->url_data); */
937 /** Uploaded files */
938 if ( (length > 0) && (!IsEmptyStr(cbtype)) ) {
939 WC->upload = malloc(length);
940 if (WC->upload != NULL) {
941 WC->upload_length = length;
942 safestrncpy(WC->upload_filename, filename,
943 sizeof(WC->upload_filename));
944 safestrncpy(WC->upload_content_type, cbtype,
945 sizeof(WC->upload_content_type));
946 memcpy(WC->upload, content, length);
949 lprintf(3, "malloc() failed: %s\n", strerror(errno));
956 * \brief Convenience functions to wrap around asynchronous ajax responses
958 void begin_ajax_response(void) {
959 output_headers(0, 0, 0, 0, 0, 0);
961 wprintf("Content-type: text/html; charset=UTF-8\r\n"
963 "Connection: close\r\n"
964 "Pragma: no-cache\r\n"
965 "Cache-Control: no-cache\r\n",
971 * \brief print ajax response footer
973 void end_ajax_response(void) {
979 * \brief Wraps a Citadel server command in an AJAX transaction.
981 void ajax_servcmd(void)
988 begin_ajax_response();
990 serv_printf("%s", bstr("g_cmd"));
991 serv_getln(buf, sizeof buf);
992 wprintf("%s\n", buf);
995 serv_printf("\n\n000");
997 if ((buf[0] == '1') || (buf[0] == '8')) {
998 while (serv_getln(gcontent, sizeof gcontent), strcmp(gcontent, "000")) {
999 wprintf("%s\n", gcontent);
1003 if (buf[0] == '4') {
1004 text_to_server(bstr("g_input"));
1007 if (buf[0] == '6') {
1008 len = atol(&buf[4]);
1010 serv_read(junk, len);
1013 if (buf[0] == '7') {
1014 len = atol(&buf[4]);
1016 memset(junk, 0, len);
1017 serv_write(junk, len);
1021 end_ajax_response();
1024 * This is kind of an ugly hack, but this is the only place it can go.
1025 * If the command was GEXP, then the instant messenger window must be
1026 * running, so reset the "last_pager_check" watchdog timer so
1027 * that page_popup() doesn't try to open it a second time.
1029 if (!strncasecmp(bstr("g_cmd"), "GEXP", 4)) {
1030 WC->last_pager_check = time(NULL);
1036 * \brief Helper function for the asynchronous check to see if we need
1037 * to open the instant messenger window.
1039 void seconds_since_last_gexp(void)
1043 begin_ajax_response();
1044 if ( (time(NULL) - WC->last_pager_check) < 30) {
1049 serv_getln(buf, sizeof buf);
1050 if (buf[3] == '*') {
1057 end_ajax_response();
1064 * \brief Entry point for WebCit transaction
1066 void session_loop(struct httprequest *req)
1074 char request_method[128];
1075 char pathname[1024];
1076 int a, b, nBackDots, nEmpty;
1077 int ContentLength = 0;
1079 char ContentType[512];
1080 char *content = NULL;
1081 char *content_end = NULL;
1082 struct httprequest *hptr;
1083 char browser_host[256];
1084 char user_agent[256];
1090 * We stuff these with the values coming from the client cookies,
1091 * so we can use them to reconnect a timed out session if we have to.
1093 char c_username[SIZ];
1094 char c_password[SIZ];
1095 char c_roomname[SIZ];
1096 char c_httpauth_string[SIZ];
1097 char c_httpauth_user[SIZ];
1098 char c_httpauth_pass[SIZ];
1101 safestrncpy(c_username, "", sizeof c_username);
1102 safestrncpy(c_password, "", sizeof c_password);
1103 safestrncpy(c_roomname, "", sizeof c_roomname);
1104 safestrncpy(c_httpauth_string, "", sizeof c_httpauth_string);
1105 safestrncpy(c_httpauth_user, DEFAULT_HTTPAUTH_USER, sizeof c_httpauth_user);
1106 safestrncpy(c_httpauth_pass, DEFAULT_HTTPAUTH_PASS, sizeof c_httpauth_pass);
1107 strcpy(browser_host, "");
1109 WC->upload_length = 0;
1115 if (hptr == NULL) return;
1117 safestrncpy(cmd, hptr->line, sizeof cmd);
1119 extract_token(request_method, cmd, 0, ' ', sizeof request_method);
1120 extract_token(pathname, cmd, 1, ' ', sizeof pathname);
1122 /** Figure out the action */
1124 sizes[0] = sizeof action;
1127 index[a] = arg[a-1];
1128 sizes[a] = sizeof arg[a-1];
1130 //// index[9] = &foo; todo
1133 for ( a = 0; a < 9; ++a)
1135 extract_token(index[a], pathname, a + 1, '/', sizes[a]);
1136 if (strstr(index[a], "?")) *strstr(index[a], "?") = 0;
1137 if (strstr(index[a], "&")) *strstr(index[a], "&") = 0;
1138 if (strstr(index[a], " ")) *strstr(index[a], " ") = 0;
1139 if ((index[a][0] == '.') && (index[a][1] == '.'))
1141 if (index[a][0] == '\0')
1145 while (hptr != NULL) {
1146 safestrncpy(buf, hptr->line, sizeof buf);
1147 /* lprintf(9, "HTTP HEADER: %s\n", buf); */
1150 if (!strncasecmp(buf, "Cookie: webcit=", 15)) {
1151 safestrncpy(cookie, &buf[15], sizeof cookie);
1152 cookie_to_stuff(cookie, NULL,
1153 c_username, sizeof c_username,
1154 c_password, sizeof c_password,
1155 c_roomname, sizeof c_roomname);
1157 else if (!strncasecmp(buf, "Authorization: Basic ", 21)) {
1158 CtdlDecodeBase64(c_httpauth_string, &buf[21], strlen(&buf[21]));
1159 extract_token(c_httpauth_user, c_httpauth_string, 0, ':', sizeof c_httpauth_user);
1160 extract_token(c_httpauth_pass, c_httpauth_string, 1, ':', sizeof c_httpauth_pass);
1162 else if (!strncasecmp(buf, "Content-length: ", 16)) {
1163 ContentLength = atoi(&buf[16]);
1165 else if (!strncasecmp(buf, "Content-type: ", 14)) {
1166 safestrncpy(ContentType, &buf[14], sizeof ContentType);
1168 else if (!strncasecmp(buf, "User-agent: ", 12)) {
1169 safestrncpy(user_agent, &buf[12], sizeof user_agent);
1171 else if (!strncasecmp(buf, "X-Forwarded-Host: ", 18)) {
1173 safestrncpy(WC->http_host, &buf[18], sizeof WC->http_host);
1176 else if (!strncasecmp(buf, "Host: ", 6)) {
1177 if (IsEmptyStr(WC->http_host)) {
1178 safestrncpy(WC->http_host, &buf[6], sizeof WC->http_host);
1181 else if (!strncasecmp(buf, "X-Forwarded-For: ", 17)) {
1182 safestrncpy(browser_host, &buf[17], sizeof browser_host);
1183 while (num_tokens(browser_host, ',') > 1) {
1184 remove_token(browser_host, 0, ',');
1186 striplt(browser_host);
1188 /** Only WAP gateways explicitly name this content-type */
1189 else if (strstr(buf, "text/vnd.wap.wml")) {
1194 if (ContentLength > 0) {
1195 content = malloc(ContentLength + SIZ);
1196 memset(content, 0, ContentLength + SIZ);
1197 sprintf(content, "Content-type: %s\n"
1198 "Content-length: %d\n\n",
1199 ContentType, ContentLength);
1200 body_start = strlen(content);
1202 /** Read the entire input data at once. */
1203 client_read(WC->http_sock, &content[BytesRead+body_start], ContentLength);
1205 if (!strncasecmp(ContentType, "application/x-www-form-urlencoded", 33)) {
1206 addurls(&content[body_start]);
1207 } else if (!strncasecmp(ContentType, "multipart", 9)) {
1208 content_end = content + ContentLength + body_start;
1209 mime_parser(content, content_end, *upload_handler, NULL, NULL, NULL, 0);
1215 /** make a note of where we are in case the user wants to save it */
1216 safestrncpy(WC->this_page, cmd, sizeof(WC->this_page));
1217 remove_token(WC->this_page, 2, ' ');
1218 remove_token(WC->this_page, 0, ' ');
1220 /** If there are variables in the URL, we must grab them now */
1222 for (a = 0; a < len; ++a) {
1223 if ((cmd[a] == '?') || (cmd[a] == '&')) {
1224 for (b = a; b < len; ++b) {
1225 if (isspace(cmd[b])){
1230 addurls(&cmd[a + 1]);
1236 /** If it's a "force 404" situation then display the error and bail. */
1237 if (!strcmp(action, "404")) {
1238 wprintf("HTTP/1.1 404 Not found\r\n");
1239 wprintf("Content-Type: text/plain\r\n");
1241 wprintf("Not found\r\n");
1242 goto SKIP_ALL_THIS_CRAP;
1245 /** Static content can be sent without connecting to Citadel. */
1247 for (a=0; a<ndirs; ++a) {
1248 if (!strcasecmp(action, (char*)static_content_dirs[a])) { /* map web to disk location */
1256 snprintf(buf, sizeof buf, "%s/%s/%s/%s/%s/%s/%s/%s",
1257 static_dirs[n_static],
1258 index[1], index[2], index[3], index[4], index[5], index[6], index[7]);
1259 for (a=0; a<8; ++a) {
1260 if (buf[strlen(buf)-1] == '/') {
1261 buf[strlen(buf)-1] = 0;
1264 for (a = 0; a < strlen(buf); ++a) {
1265 if (isspace(buf[a])) {
1273 lprintf(9, "Suspicious request. Ignoring.");
1274 wprintf("HTTP/1.1 404 Security check failed\r\n");
1275 wprintf("Content-Type: text/plain\r\n");
1277 wprintf("Security check failed.\r\n");
1279 goto SKIP_ALL_THIS_CRAP; /* Don't try to connect */
1282 /* If the client sent a nonce that is incorrect, kill the request. */
1283 if (strlen(bstr("nonce")) > 0) {
1284 lprintf(9, "Comparing supplied nonce %s to session nonce %ld\n",
1285 bstr("nonce"), WC->nonce);
1286 if (atoi(bstr("nonce")) != WC->nonce) {
1287 lprintf(9, "Ignoring request with mismatched nonce.\n");
1288 wprintf("HTTP/1.1 404 Security check failed\r\n");
1289 wprintf("Content-Type: text/plain\r\n");
1291 wprintf("Security check failed.\r\n");
1292 goto SKIP_ALL_THIS_CRAP;
1297 * If we're not connected to a Citadel server, try to hook up the
1300 if (!WC->connected) {
1301 if (!strcasecmp(ctdlhost, "uds")) {
1302 /* unix domain socket */
1303 sprintf(buf, "%s/citadel.socket", ctdlport);
1304 WC->serv_sock = uds_connectsock(buf);
1308 WC->serv_sock = tcp_connectsock(ctdlhost, ctdlport);
1311 if (WC->serv_sock < 0) {
1313 goto SKIP_ALL_THIS_CRAP;
1317 serv_getln(buf, sizeof buf); /** get the server welcome message */
1320 * From what host is our user connecting? Go with
1321 * the host at the other end of the HTTP socket,
1322 * unless we are following X-Forwarded-For: headers
1323 * and such a header has already turned up something.
1325 if ( (!follow_xff) || (strlen(browser_host) == 0) ) {
1326 locate_host(browser_host, WC->http_sock);
1329 get_serv_info(browser_host, user_agent);
1330 if (serv_info.serv_rev_level < MINIMUM_CIT_VERSION) {
1331 wprintf(_("You are connected to a Citadel "
1332 "server running Citadel %d.%02d. \n"
1333 "In order to run this version of WebCit "
1334 "you must also have Citadel %d.%02d or"
1336 serv_info.serv_rev_level / 100,
1337 serv_info.serv_rev_level % 100,
1338 MINIMUM_CIT_VERSION / 100,
1339 MINIMUM_CIT_VERSION % 100
1341 end_webcit_session();
1342 goto SKIP_ALL_THIS_CRAP;
1348 * Functions which can be performed without logging in
1350 if (!strcasecmp(action, "listsub")) {
1352 goto SKIP_ALL_THIS_CRAP;
1354 #ifdef WEBCIT_WITH_CALENDAR_SERVICE
1355 if (!strcasecmp(action, "freebusy")) {
1357 goto SKIP_ALL_THIS_CRAP;
1362 * If we're not logged in, but we have HTTP Authentication data,
1363 * try logging in to Citadel using that.
1365 if ((!WC->logged_in)
1366 && (strlen(c_httpauth_user) > 0)
1367 && (strlen(c_httpauth_pass) > 0)) {
1368 serv_printf("USER %s", c_httpauth_user);
1369 serv_getln(buf, sizeof buf);
1370 if (buf[0] == '3') {
1371 serv_printf("PASS %s", c_httpauth_pass);
1372 serv_getln(buf, sizeof buf);
1373 if (buf[0] == '2') {
1374 become_logged_in(c_httpauth_user,
1375 c_httpauth_pass, buf);
1376 safestrncpy(WC->httpauth_user, c_httpauth_user, sizeof WC->httpauth_user);
1377 safestrncpy(WC->httpauth_pass, c_httpauth_pass, sizeof WC->httpauth_pass);
1379 /** Should only display when password is wrong */
1380 authorization_required(&buf[4]);
1381 goto SKIP_ALL_THIS_CRAP;
1386 /** This needs to run early */
1387 if (!strcasecmp(action, "rss")) {
1388 display_rss(bstr("room"), request_method);
1389 goto SKIP_ALL_THIS_CRAP;
1393 * The GroupDAV stuff relies on HTTP authentication instead of
1394 * our session's authentication.
1396 if (!strncasecmp(action, "groupdav", 8)) {
1397 groupdav_main(req, ContentType, /* do GroupDAV methods */
1398 ContentLength, content+body_start);
1399 if (!WC->logged_in) {
1400 WC->killthis = 1; /* If not logged in, don't */
1401 } /* keep the session active */
1402 goto SKIP_ALL_THIS_CRAP;
1407 * Automatically send requests with any method other than GET or
1408 * POST to the GroupDAV code as well.
1410 if ((strcasecmp(request_method, "GET")) && (strcasecmp(request_method, "POST"))) {
1411 groupdav_main(req, ContentType, /** do GroupDAV methods */
1412 ContentLength, content+body_start);
1413 if (!WC->logged_in) {
1414 WC->killthis = 1; /** If not logged in, don't */
1415 } /** keep the session active */
1416 goto SKIP_ALL_THIS_CRAP;
1420 * If we're not logged in, but we have username and password cookies
1421 * supplied by the browser, try using them to log in.
1423 if ((!WC->logged_in)
1424 && (!IsEmptyStr(c_username))
1425 && (!IsEmptyStr(c_password))) {
1426 serv_printf("USER %s", c_username);
1427 serv_getln(buf, sizeof buf);
1428 if (buf[0] == '3') {
1429 serv_printf("PASS %s", c_password);
1430 serv_getln(buf, sizeof buf);
1431 if (buf[0] == '2') {
1432 become_logged_in(c_username, c_password, buf);
1437 * If we don't have a current room, but a cookie specifying the
1438 * current room is supplied, make an effort to go there.
1440 if ((IsEmptyStr(WC->wc_roomname)) && (!IsEmptyStr(c_roomname))) {
1441 serv_printf("GOTO %s", c_roomname);
1442 serv_getln(buf, sizeof buf);
1443 if (buf[0] == '2') {
1444 safestrncpy(WC->wc_roomname, c_roomname, sizeof WC->wc_roomname);
1448 if (!strcasecmp(action, "image")) {
1452 * All functions handled below this point ... make sure we log in
1453 * before doing anything else!
1455 } else if ((!WC->logged_in) && (!strcasecmp(action, "login"))) {
1457 } else if (!WC->logged_in) {
1458 display_login(NULL);
1462 * Various commands...
1465 else if (!strcasecmp(action, "do_welcome")) {
1467 } else if (!strcasecmp(action, "blank")) {
1469 } else if (!strcasecmp(action, "do_template")) {
1471 } else if (!strcasecmp(action, "display_aide_menu")) {
1472 display_aide_menu();
1473 } else if (!strcasecmp(action, "display_main_menu")) {
1474 display_main_menu();
1475 } else if (!strcasecmp(action, "who")) {
1477 } else if (!strcasecmp(action, "sslg")) {
1478 seconds_since_last_gexp();
1479 } else if (!strcasecmp(action, "who_inner_html")) {
1480 begin_ajax_response();
1482 end_ajax_response();
1483 } else if (!strcasecmp(action, "wholist_section")) {
1484 begin_ajax_response();
1486 end_ajax_response();
1487 } else if (!strcasecmp(action, "new_messages_html")) {
1488 begin_ajax_response();
1489 new_messages_section();
1490 end_ajax_response();
1491 } else if (!strcasecmp(action, "tasks_inner_html")) {
1492 begin_ajax_response();
1494 end_ajax_response();
1495 } else if (!strcasecmp(action, "calendar_inner_html")) {
1496 begin_ajax_response();
1498 end_ajax_response();
1499 } else if (!strcasecmp(action, "iconbar_ajax_menu")) {
1500 begin_ajax_response();
1502 end_ajax_response();
1503 } else if (!strcasecmp(action, "iconbar_ajax_rooms")) {
1504 begin_ajax_response();
1505 do_iconbar_roomlist();
1506 end_ajax_response();
1507 } else if (!strcasecmp(action, "knrooms")) {
1509 } else if (!strcasecmp(action, "gotonext")) {
1512 } else if (!strcasecmp(action, "skip")) {
1514 } else if (!strcasecmp(action, "ungoto")) {
1516 } else if (!strcasecmp(action, "dotgoto")) {
1517 if (WC->wc_view != VIEW_MAILBOX) { /* dotgoto acts like dotskip when we're in a mailbox view */
1520 smart_goto(bstr("room"));
1521 } else if (!strcasecmp(action, "dotskip")) {
1522 smart_goto(bstr("room"));
1523 } else if (!strcasecmp(action, "termquit")) {
1525 } else if (!strcasecmp(action, "readnew")) {
1526 readloop("readnew");
1527 } else if (!strcasecmp(action, "readold")) {
1528 readloop("readold");
1529 } else if (!strcasecmp(action, "readfwd")) {
1530 readloop("readfwd");
1531 } else if (!strcasecmp(action, "headers")) {
1532 readloop("headers");
1533 } else if (!strcasecmp(action, "do_search")) {
1534 readloop("do_search");
1535 } else if (!strcasecmp(action, "msg")) {
1536 embed_message(index[1]);
1537 } else if (!strcasecmp(action, "printmsg")) {
1538 print_message(index[1]);
1539 } else if (!strcasecmp(action, "msgheaders")) {
1540 display_headers(index[1]);
1541 } else if (!strcasecmp(action, "wiki")) {
1542 display_wiki_page();
1543 } else if (!strcasecmp(action, "display_enter")) {
1545 } else if (!strcasecmp(action, "post")) {
1547 } else if (!strcasecmp(action, "move_msg")) {
1549 } else if (!strcasecmp(action, "delete_msg")) {
1551 } else if (!strcasecmp(action, "userlist")) {
1553 } else if (!strcasecmp(action, "showuser")) {
1555 } else if (!strcasecmp(action, "display_page")) {
1557 } else if (!strcasecmp(action, "page_user")) {
1559 } else if (!strcasecmp(action, "chat")) {
1561 } else if (!strcasecmp(action, "display_private")) {
1562 display_private("", 0);
1563 } else if (!strcasecmp(action, "goto_private")) {
1565 } else if (!strcasecmp(action, "zapped_list")) {
1567 } else if (!strcasecmp(action, "display_zap")) {
1569 } else if (!strcasecmp(action, "zap")) {
1571 } else if (!strcasecmp(action, "display_entroom")) {
1573 } else if (!strcasecmp(action, "entroom")) {
1575 } else if (!strcasecmp(action, "display_whok")) {
1577 } else if (!strcasecmp(action, "do_invt_kick")) {
1579 } else if (!strcasecmp(action, "display_editroom")) {
1581 } else if (!strcasecmp(action, "netedit")) {
1583 } else if (!strcasecmp(action, "editroom")) {
1585 } else if (!strcasecmp(action, "display_editinfo")) {
1586 display_edit(_("Room info"), "EINF 0", "RINF", "editinfo", 1);
1587 } else if (!strcasecmp(action, "editinfo")) {
1588 save_edit(_("Room info"), "EINF 1", 1);
1589 } else if (!strcasecmp(action, "display_editbio")) {
1590 sprintf(buf, "RBIO %s", WC->wc_fullname);
1591 display_edit(_("Your bio"), "NOOP", buf, "editbio", 3);
1592 } else if (!strcasecmp(action, "editbio")) {
1593 save_edit(_("Your bio"), "EBIO", 0);
1594 } else if (!strcasecmp(action, "confirm_move_msg")) {
1596 } else if (!strcasecmp(action, "delete_room")) {
1598 } else if (!strcasecmp(action, "validate")) {
1600 } else if (!strcasecmp(action, "display_editpic")) {
1601 display_graphics_upload(_("your photo"),
1604 } else if (!strcasecmp(action, "editpic")) {
1605 do_graphics_upload("UIMG 1|_userpic_");
1606 } else if (!strcasecmp(action, "display_editroompic")) {
1607 display_graphics_upload(_("the icon for this room"),
1610 } else if (!strcasecmp(action, "editroompic")) {
1611 do_graphics_upload("UIMG 1|_roompic_");
1612 } else if (!strcasecmp(action, "delete_floor")) {
1614 } else if (!strcasecmp(action, "rename_floor")) {
1616 } else if (!strcasecmp(action, "create_floor")) {
1618 } else if (!strcasecmp(action, "display_editfloorpic")) {
1619 sprintf(buf, "UIMG 0|_floorpic_|%s",
1620 bstr("which_floor"));
1621 display_graphics_upload(_("the icon for this floor"),
1624 } else if (!strcasecmp(action, "editfloorpic")) {
1625 sprintf(buf, "UIMG 1|_floorpic_|%s",
1626 bstr("which_floor"));
1627 do_graphics_upload(buf);
1628 } else if (!strcasecmp(action, "display_reg")) {
1630 } else if (!strcasecmp(action, "display_changepw")) {
1632 } else if (!strcasecmp(action, "changepw")) {
1634 } else if (!strcasecmp(action, "display_edit_node")) {
1635 display_edit_node();
1636 } else if (!strcasecmp(action, "edit_node")) {
1638 } else if (!strcasecmp(action, "display_netconf")) {
1640 } else if (!strcasecmp(action, "display_confirm_delete_node")) {
1641 display_confirm_delete_node();
1642 } else if (!strcasecmp(action, "delete_node")) {
1644 } else if (!strcasecmp(action, "display_add_node")) {
1646 } else if (!strcasecmp(action, "add_node")) {
1648 } else if (!strcasecmp(action, "terminate_session")) {
1650 terminate_session();
1651 } else if (!strcasecmp(action, "edit_me")) {
1653 } else if (!strcasecmp(action, "display_siteconfig")) {
1654 display_siteconfig();
1655 } else if (!strcasecmp(action, "chat_recv")) {
1657 } else if (!strcasecmp(action, "chat_send")) {
1659 } else if (!strcasecmp(action, "siteconfig")) {
1661 } else if (!strcasecmp(action, "display_generic")) {
1663 } else if (!strcasecmp(action, "do_generic")) {
1665 } else if (!strcasecmp(action, "ajax_servcmd")) {
1667 } else if (!strcasecmp(action, "display_menubar")) {
1669 } else if (!strcasecmp(action, "mimepart")) {
1670 mimepart(index[1], index[2], 0);
1671 } else if (!strcasecmp(action, "mimepart_download")) {
1672 mimepart(index[1], index[2], 1);
1673 } else if (!strcasecmp(action, "edit_vcard")) {
1675 } else if (!strcasecmp(action, "submit_vcard")) {
1677 } else if (!strcasecmp(action, "select_user_to_edit")) {
1678 select_user_to_edit(NULL, NULL);
1679 } else if (!strcasecmp(action, "display_edituser")) {
1680 display_edituser(NULL, 0);
1681 } else if (!strcasecmp(action, "edituser")) {
1683 } else if (!strcasecmp(action, "create_user")) {
1685 } else if (!strcasecmp(action, "changeview")) {
1687 } else if (!strcasecmp(action, "change_start_page")) {
1688 change_start_page();
1689 } else if (!strcasecmp(action, "display_floorconfig")) {
1690 display_floorconfig(NULL);
1691 } else if (!strcasecmp(action, "toggle_self_service")) {
1692 toggle_self_service();
1693 #ifdef WEBCIT_WITH_CALENDAR_SERVICE
1694 } else if (!strcasecmp(action, "display_edit_task")) {
1695 display_edit_task();
1696 } else if (!strcasecmp(action, "save_task")) {
1698 } else if (!strcasecmp(action, "display_edit_event")) {
1699 display_edit_event();
1700 } else if (!strcasecmp(action, "save_event")) {
1702 } else if (!strcasecmp(action, "respond_to_request")) {
1703 respond_to_request();
1704 } else if (!strcasecmp(action, "handle_rsvp")) {
1707 } else if (!strcasecmp(action, "summary")) {
1709 } else if (!strcasecmp(action, "summary_inner_div")) {
1710 begin_ajax_response();
1711 summary_inner_div();
1712 end_ajax_response();
1713 } else if (!strcasecmp(action, "display_customize_iconbar")) {
1714 display_customize_iconbar();
1715 } else if (!strcasecmp(action, "commit_iconbar")) {
1717 } else if (!strcasecmp(action, "set_room_policy")) {
1719 } else if (!strcasecmp(action, "display_inetconf")) {
1721 } else if (!strcasecmp(action, "save_inetconf")) {
1723 } else if (!strcasecmp(action, "display_smtpqueue")) {
1724 display_smtpqueue();
1725 } else if (!strcasecmp(action, "display_smtpqueue_inner_div")) {
1726 display_smtpqueue_inner_div();
1727 } else if (!strcasecmp(action, "display_sieve")) {
1729 } else if (!strcasecmp(action, "save_sieve")) {
1731 } else if (!strcasecmp(action, "display_add_remove_scripts")) {
1732 display_add_remove_scripts(NULL);
1733 } else if (!strcasecmp(action, "create_script")) {
1735 } else if (!strcasecmp(action, "delete_script")) {
1737 } else if (!strcasecmp(action, "setup_wizard")) {
1739 } else if (!strcasecmp(action, "display_preferences")) {
1740 display_preferences();
1741 } else if (!strcasecmp(action, "set_preferences")) {
1743 } else if (!strcasecmp(action, "recp_autocomplete")) {
1744 recp_autocomplete(bstr("recp"));
1745 } else if (!strcasecmp(action, "cc_autocomplete")) {
1746 recp_autocomplete(bstr("cc"));
1747 } else if (!strcasecmp(action, "bcc_autocomplete")) {
1748 recp_autocomplete(bstr("bcc"));
1749 } else if (!strcasecmp(action, "display_address_book_middle_div")) {
1750 display_address_book_middle_div();
1751 } else if (!strcasecmp(action, "display_address_book_inner_div")) {
1752 display_address_book_inner_div();
1753 } else if (!strcasecmp(action, "set_floordiv_expanded")) {
1754 set_floordiv_expanded(index[1]);
1755 } else if (!strcasecmp(action, "diagnostics")) {
1756 output_headers(1, 1, 1, 0, 0, 0);
1757 wprintf("Session: %d<hr />\n", WC->wc_session);
1758 wprintf("Command: <br /><PRE>\n");
1760 wprintf("</PRE><hr />\n");
1761 wprintf("Variables: <br /><PRE>\n");
1763 wprintf("</PRE><hr />\n");
1765 } else if (!strcasecmp(action, "updatenote")) {
1767 } else if (!strcasecmp(action, "display_room_directory")) {
1768 display_room_directory();
1769 } else if (!strcasecmp(action, "download_file")) {
1770 download_file(index[1]);
1771 } else if (!strcasecmp(action, "upload_file")) {
1775 /** When all else fais, display the main menu. */
1777 display_main_menu();
1782 if (content != NULL) {
1787 if (WC->upload_length > 0) {
1789 WC->upload_length = 0;