9 char serv_sock_name[PATH_MAX] = "";
11 HashList *EmbeddableMimes = NULL;
12 StrBuf *EmbeddableMimeStrs = NULL;
15 void SetInlinMimeRenderers(void)
21 /* Tell the server what kind of richtext we prefer */
22 serv_putbuf(EmbeddableMimeStrs);
23 StrBuf_ServGetln(Buf);
29 void DeleteServInfo(ServInfo **FreeMe)
33 FreeStrBuf(&(*FreeMe)->serv_nodename);
34 FreeStrBuf(&(*FreeMe)->serv_humannode);
35 FreeStrBuf(&(*FreeMe)->serv_fqdn);
36 FreeStrBuf(&(*FreeMe)->serv_software);
37 FreeStrBuf(&(*FreeMe)->serv_bbs_city);
38 FreeStrBuf(&(*FreeMe)->serv_sysadm);
39 FreeStrBuf(&(*FreeMe)->serv_moreprompt);
40 FreeStrBuf(&(*FreeMe)->serv_default_cal_zone);
41 FreeStrBuf(&(*FreeMe)->serv_svn_revision);
47 * get info about the server we've connected to
49 * browser_host the citadel we want to connect to
50 * user_agent which browser uses our client?
52 ServInfo *get_serv_info(StrBuf *browser_host, StrBuf *user_agent)
61 /* Tell the server what kind of client is connecting */
62 serv_printf("IDEN %d|%d|%d|%s|%s",
69 StrBuf_ServGetln(Buf);
70 if (GetServerStatus(Buf, NULL) != 2) {
71 lprintf(0, "get_serv_info(IDEN): unexpected answer [%s]\n",
78 * Tell the server that when we save a calendar event, we
79 * want invitations to be generated by the Citadel server
80 * instead of by the client.
82 serv_puts("ICAL sgi|1");
83 StrBuf_ServGetln(Buf);
84 if (GetServerStatus(Buf, NULL) != 2) {
85 lprintf(0, "get_serv_info(ICAL sgi|1): unexpected answer [%s]\n",
91 /* Now ask the server to tell us a little bit about itself... */
93 StrBuf_ServGetln(Buf);
94 if (GetServerStatus(Buf, NULL) != 1) {
95 lprintf(0, "get_serv_info(INFO sgi|1): unexpected answer [%s]\n",
101 info = (ServInfo*)malloc(sizeof(ServInfo));
102 memset(info, 0, sizeof(ServInfo));
104 while (rc = StrBuf_ServGetln(Buf),
107 strcmp(ChrPtr(Buf), "000")))
111 info->serv_pid = StrToi(Buf);
112 WC->ctdl_pid = info->serv_pid;
115 info->serv_nodename = NewStrBufDup(Buf);
118 info->serv_humannode = NewStrBufDup(Buf);
121 info->serv_fqdn = NewStrBufDup(Buf);
124 info->serv_software = NewStrBufDup(Buf);
127 info->serv_rev_level = StrToi(Buf);
130 info->serv_bbs_city = NewStrBufDup(Buf);
133 info->serv_sysadm = NewStrBufDup(Buf);
136 info->serv_moreprompt = NewStrBufDup(Buf);
139 info->serv_supports_ldap = StrToi(Buf);
142 info->serv_newuser_disabled = StrToi(Buf);
145 info->serv_default_cal_zone = NewStrBufDup(Buf);
148 info->serv_supports_sieve = StrToi(Buf);
151 info->serv_fulltext_enabled = StrToi(Buf);
154 info->serv_svn_revision = NewStrBufDup(Buf);
157 info->serv_supports_openid = StrToi(Buf);
166 int GetConnected (void)
171 if (WCC->ReadBuf == NULL)
172 WCC->ReadBuf = NewStrBufPlain(NULL, SIZ * 4);
173 if (is_uds) /* unix domain socket */
174 WCC->serv_sock = uds_connectsock(serv_sock_name);
175 else /* tcp socket */
176 WCC->serv_sock = tcp_connectsock(ctdlhost, atoi(ctdlport));
178 if (WCC->serv_sock < 0) {
180 FreeStrBuf(&WCC->ReadBuf);
188 StrBuf_ServGetln(Buf); /* get the server greeting */
189 short_status = GetServerStatus(Buf, &Status);
192 /* Server isn't ready for us? */
193 if (short_status != 2) {
195 wc_printf(_("This server is already serving its maximum number of users and cannot accept any additional logins at this time. Please try again later or contact your system administrator."));
198 wc_printf("%ld %s\n",
200 _("Received unexpected answer from Citadel server; bailing out.")
204 end_webcit_session();
208 /* 2010jun03: every now and then the connection to Citadel dies before this point. why? */
211 * From what host is our user connecting? Go with
212 * the host at the other end of the HTTP socket,
213 * unless we are following X-Forwarded-For: headers
214 * and such a header has already turned up something.
216 if ( (!follow_xff) || (StrLength(WCC->Hdr->HR.browser_host) == 0) ) {
217 if (WCC->Hdr->HR.browser_host == NULL) {
218 WCC->Hdr->HR.browser_host = NewStrBuf();
219 Put(WCC->Hdr->HTTPHeaders, HKEY("FreeMeWithTheOtherHeaders"),
220 WCC->Hdr->HR.browser_host, HFreeStrBuf);
222 locate_host(WCC->Hdr->HR.browser_host, WCC->Hdr->http_sock);
224 if (WCC->serv_info == NULL) {
225 WCC->serv_info = get_serv_info(WCC->Hdr->HR.browser_host, WCC->Hdr->HR.user_agent);
227 if (WCC->serv_info == NULL){
229 wc_printf(_("Received unexpected answer from Citadel server; bailing out."));
230 hprintf("HTTP/1.1 200 OK\r\n");
231 hprintf("Content-type: text/plain; charset=utf-8\r\n");
233 end_webcit_session();
236 if (WCC->serv_info->serv_rev_level < MINIMUM_CIT_VERSION) {
238 wc_printf(_("You are connected to a Citadel "
239 "server running Citadel %d.%02d. \n"
240 "In order to run this version of WebCit "
241 "you must also have Citadel %d.%02d or"
243 WCC->serv_info->serv_rev_level / 100,
244 WCC->serv_info->serv_rev_level % 100,
245 MINIMUM_CIT_VERSION / 100,
246 MINIMUM_CIT_VERSION % 100
248 hprintf("HTTP/1.1 200 OK\r\n");
249 hprintf("Content-type: text/plain; charset=utf-8\r\n");
251 end_webcit_session();
254 SetInlinMimeRenderers();
260 * Read Citadel variformat text and spit it out as HTML.
261 * align html align string
263 inline void fmout(char *align)
265 _fmout(WC->WBuf, align);
268 void _fmout(StrBuf *Target, char *align)
274 StrBufAppendPrintf(Target, "<div align=%s>\n", align);
275 while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
277 if ((intext == 1) && (isspace(buf[0]))) {
283 * Quoted text should be displayed in italics and in a
284 * different colour. This code understands Citadel-style
285 * " >" quotes and will convert to <BLOCKQUOTE> tags.
287 if ((bq == 0) && (!strncmp(buf, " >", 2))) {
288 StrBufAppendBufPlain(Target, HKEY("<BLOCKQUOTE>"), 0);
290 } else if ((bq == 1) && (strncmp(buf, " >", 2))) {
291 StrBufAppendBufPlain(Target, HKEY("</BLOCKQUOTE>"), 0);
294 if ((bq == 1) && (!strncmp(buf, " >", 2))) {
295 strcpy(buf, &buf[2]);
297 /* Activate embedded URL's */
298 url(buf, sizeof(buf));
301 StrBufAppendBufPlain(Target, HKEY("\n"), 0);
306 wc_printf("</div><br />\n");
309 void FmOut(StrBuf *Target, char *align, StrBuf *Source)
311 const char *ptr, *pte;
312 const char *BufPtr = NULL;
313 StrBuf *Line = NewStrBufPlain(NULL, SIZ);
314 StrBuf *Line1 = NewStrBufPlain(NULL, SIZ);
315 StrBuf *Line2 = NewStrBufPlain(NULL, SIZ);
322 StrBufAppendPrintf(Target, "<div class=\"fmout-%s\">\n", align);
324 if (StrLength(Source) > 0)
327 StrBufSipLine(Line, Source, &BufPtr);
331 len = StrLength(Line);
334 if ((intext == 1) && (isspace(*ptr))) {
335 StrBufAppendBufPlain(Target, HKEY("<br>"), 0);
338 if (isspace(*ptr)) while ((ptr < pte) &&
349 * Quoted text should be displayed in italics and in a
350 * different colour. This code understands Citadel-style
351 * " >" quotes and will convert to <BLOCKQUOTE> tags.
353 if (i > 0) StrBufCutLeft(Line, i);
356 for (i = bn; i < bq; i++)
357 StrBufAppendBufPlain(Target, HKEY("<blockquote>"), 0);
358 for (i = bq; i < bn; i++)
359 StrBufAppendBufPlain(Target, HKEY("</blockquote>"), 0);
362 if (StrLength(Line) == 0)
365 /* Activate embedded URL's */
366 UrlizeText(Line1, Line, Line2);
368 StrEscAppend(Target, Line1, NULL, 0, 0);
370 StrBufAppendBufPlain(Target, HKEY("\n"), 0);
372 while ((BufPtr != StrBufNOTNULL) &&
375 for (i = 0; i < bn; i++) {
376 StrBufAppendBufPlain(Target, HKEY("</blockquote>"), 0);
378 StrBufAppendBufPlain(Target, HKEY("</div><br>\n"), 0);
386 * Read Citadel variformat text and spit it out as HTML in a form
387 * suitable for embedding in another message (forward/quote).
388 * (NO LINEBREAKS ALLOWED HERE!)
390 void pullquote_fmout(void) {
395 while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
397 if ((intext == 1) && (isspace(buf[0]))) {
403 * Quoted text should be displayed in italics and in a
404 * different colour. This code understands Citadel-style
405 * " >" quotes and will convert to <BLOCKQUOTE> tags.
407 if ((bq == 0) && (!strncmp(buf, " >", 2))) {
408 wc_printf("<BLOCKQUOTE>");
410 } else if ((bq == 1) && (strncmp(buf, " >", 2))) {
411 wc_printf("</BLOCKQUOTE>");
414 if ((bq == 1) && (!strncmp(buf, " >", 2))) {
415 strcpy(buf, &buf[2]);
429 * Transmit message text (in memory) to the server.
431 void text_to_server(char *ptr)
439 while (ptr[pos] != 0) {
443 while ( (isspace(buf[len - 1]))
445 && (buf[1] != '\0') )
449 if (ptr[pos] != 0) strcat(buf, " ");
454 if ((ch == 32) && (strlen(buf) > 200)) {
459 if (strlen(buf) > 250) {
470 * Transmit message text (in memory) to the server, converting to Quoted-Printable encoding as we go.
472 void text_to_server_qp(char *ptr)
474 unsigned char ch, buf[256];
482 while (ptr[pos] != 0) {
483 ch = (unsigned char)(ptr[pos++]);
486 /* ignore carriage returns */
489 /* hard line break */
490 if (output_len > 0) {
491 if (isspace(buf[output_len-1])) {
492 sprintf((char *)&buf[output_len-1], "=%02X", buf[output_len-1]);
496 buf[output_len++] = 0;
497 serv_puts((char *)buf);
501 buf[output_len++] = ch;
503 else if ( (ch >= 32) && (ch <= 60) ) {
504 buf[output_len++] = ch;
506 else if ( (ch >= 62) && (ch <= 126) ) {
507 buf[output_len++] = ch;
510 sprintf((char *)&buf[output_len], "=%02X", ch);
514 if (output_len > 72) {
515 /* soft line break */
516 if (isspace(buf[output_len-1])) {
517 sprintf((char *)&buf[output_len-1], "=%02X", buf[output_len-1]);
520 buf[output_len++] = '=';
521 buf[output_len++] = 0;
522 serv_puts((char *)buf);
527 /* end of data - transmit anything that's left */
528 if (output_len > 0) {
529 if (isspace(buf[output_len-1])) {
530 sprintf((char *)&buf[output_len-1], "=%02X", buf[output_len-1]);
533 buf[output_len++] = 0;
534 serv_puts((char *)buf);
543 * translate server message output to text (used for editing room info files and such)
545 void server_to_text()
551 while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
552 if ((buf[0] == 32) && (count > 0)) {
555 wc_printf("%s", buf);
564 * Read text from server, appending to a string buffer until the
565 * usual 000 terminator is found. Caller is responsible for freeing
566 * the returned pointer.
568 int read_server_text(StrBuf *Buf, long *nLines)
576 while ((WCC->serv_sock!=-1) &&
577 (nRead = StrBuf_ServGetln(Buf), (nRead >= 0) ))
579 if (strcmp(ChrPtr(Buf) + nTotal, "000") != 0) {
580 StrBufCutRight(Buf, nRead);
592 int GetServerStatus(StrBuf *Line, long* FullState)
594 if (FullState != NULL)
595 *FullState = StrTol(Line);
596 return ChrPtr(Line)[0] - 48;
600 void tmplput_serv_ip(StrBuf *Target, WCTemplputParams *TP)
602 StrBufAppendPrintf(Target, "%d", WC->ctdl_pid);
605 void tmplput_serv_nodename(StrBuf *Target, WCTemplputParams *TP)
608 if (WCC->serv_info == NULL)
610 StrBufAppendTemplate(Target, TP, WCC->serv_info->serv_nodename, 0);
613 void tmplput_serv_humannode(StrBuf *Target, WCTemplputParams *TP)
616 if (WCC->serv_info == NULL)
618 StrBufAppendTemplate(Target, TP, WCC->serv_info->serv_humannode, 0);
621 void tmplput_serv_fqdn(StrBuf *Target, WCTemplputParams *TP)
624 if (WCC->serv_info == NULL)
626 StrBufAppendTemplate(Target, TP, WCC->serv_info->serv_fqdn, 0);
629 void tmplput_serv_software(StrBuf *Target, WCTemplputParams *TP)
632 if (WCC->serv_info == NULL)
634 StrBufAppendTemplate(Target, TP, WCC->serv_info->serv_software, 0);
637 void tmplput_serv_rev_level(StrBuf *Target, WCTemplputParams *TP)
640 if (WCC->serv_info == NULL)
642 StrBufAppendPrintf(Target, "%d.%02d",
643 WCC->serv_info->serv_rev_level / 100,
644 WCC->serv_info->serv_rev_level % 100);
646 int conditional_serv_newuser_disabled(StrBuf *Target, WCTemplputParams *TP)
649 if (WCC->serv_info == NULL)
651 return WCC->serv_info->serv_newuser_disabled != 0;
654 int conditional_serv_supports_openid(StrBuf *Target, WCTemplputParams *TP)
657 if (WCC->serv_info == NULL)
659 return WCC->serv_info->serv_supports_openid != 0;
662 int conditional_serv_fulltext_enabled(StrBuf *Target, WCTemplputParams *TP)
665 if (WCC->serv_info == NULL)
667 return WCC->serv_info->serv_fulltext_enabled != 0;
670 void tmplput_serv_bbs_city(StrBuf *Target, WCTemplputParams *TP)
673 if (WCC->serv_info == NULL)
675 StrBufAppendTemplate(Target, TP, WC->serv_info->serv_bbs_city, 0);
678 void tmplput_mesg(StrBuf *Target, WCTemplputParams *TP)
687 serv_printf("MESG %s", TP->Tokens->Params[0]->Start);
689 StrBuf_ServGetln(Line);
690 if (GetServerStatus(Line, NULL) == 1) {
691 while (!Done && (StrBuf_ServGetln(Line)>=0)) {
692 if ( (StrLength(Line)==3) &&
693 !strcmp(ChrPtr(Line), "000"))
698 StrBufAppendBufPlain(Buf, "\n", 1, 0);
699 StrBufAppendBuf(Buf, Line, 0);
705 FmOut(Line, "center", Buf);
706 StrBufAppendTemplate(Target, TP, Line, 1);
713 void RegisterEmbeddableMimeType(const char *MimeType, long MTLen, int Priority)
716 MT = NewStrBufPlain(MimeType, MTLen);
717 Put(EmbeddableMimes, IKEY(Priority), MT, HFreeStrBuf);
720 void CreateMimeStr(void)
727 it = GetNewHashPos(EmbeddableMimes, 0);
728 while (GetNextHashPos(EmbeddableMimes, it, &len, &Key, &vMime) &&
730 if (StrLength(EmbeddableMimeStrs) > 0)
731 StrBufAppendBufPlain(EmbeddableMimeStrs, HKEY("|"), 0);
733 StrBufAppendBufPlain(EmbeddableMimeStrs, HKEY("MSGP "), 0);
734 StrBufAppendBuf(EmbeddableMimeStrs, (StrBuf*) vMime, 0);
740 ServerStartModule_SERV_FUNC
743 EmbeddableMimes = NewHash(1, Flathash);
744 EmbeddableMimeStrs = NewStrBuf();
749 ServerShutdownModule_SERV_FUNC
752 FreeStrBuf(&EmbeddableMimeStrs);
753 DeleteHash(&EmbeddableMimes);
760 is_uds = strcasecmp(ctdlhost, "uds") == 0;
762 snprintf(serv_sock_name, PATH_MAX, "%s/citadel.socket", ctdlport);
764 RegisterConditional(HKEY("COND:SERV:OPENID"), 2, conditional_serv_supports_openid, CTX_NONE);
765 RegisterConditional(HKEY("COND:SERV:NEWU"), 2, conditional_serv_newuser_disabled, CTX_NONE);
766 RegisterConditional(HKEY("COND:SERV:HAVEFULLTEXT"), 2, conditional_serv_fulltext_enabled, CTX_NONE);
767 RegisterNamespace("SERV:PID", 0, 0, tmplput_serv_ip, NULL, CTX_NONE);
768 RegisterNamespace("SERV:NODENAME", 0, 1, tmplput_serv_nodename, NULL, CTX_NONE);
769 RegisterNamespace("SERV:HUMANNODE", 0, 1, tmplput_serv_humannode, NULL, CTX_NONE);
770 RegisterNamespace("SERV:FQDN", 0, 1, tmplput_serv_fqdn, NULL, CTX_NONE);
771 RegisterNamespace("SERV:SOFTWARE", 0, 1, tmplput_serv_software, NULL, CTX_NONE);
772 RegisterNamespace("SERV:REV_LEVEL", 0, 0, tmplput_serv_rev_level, NULL, CTX_NONE);
773 RegisterNamespace("SERV:BBS_CITY", 0, 1, tmplput_serv_bbs_city, NULL, CTX_NONE);
774 RegisterNamespace("SERV:MESG", 1, 2, tmplput_mesg, NULL, CTX_NONE);
780 SessionDestroyModule_SERVFUNC
783 DeleteServInfo(&sess->serv_info);