2 * A server-side module for Citadel which supports address book information
3 * using the standard vCard format.
5 * Copyright (c) 1999-2012 by the citadel.org team
7 * This program is open source software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 3.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
17 * Format of the "Exclusive ID" field of the message containing a user's
18 * vCard. Doesn't matter what it really looks like as long as it's both
19 * unique and consistent (because we use it for replication checking to
20 * delete the old vCard network-wide when the user enters a new one).
22 #define VCARD_EXT_FORMAT "Citadel vCard: personal card for %s at %s"
25 * Citadel will accept either text/vcard or text/x-vcard as the MIME type
26 * for a vCard. The following definition determines which one it *generates*
29 #define VCARD_MIME_TYPE "text/x-vcard"
40 #include <sys/types.h>
42 #if TIME_WITH_SYS_TIME
43 # include <sys/time.h>
47 # include <sys/time.h>
56 #include <libcitadel.h>
59 #include "citserver.h"
67 #include "internet_addressing.h"
68 #include "serv_vcard.h"
69 #include "citadel_ldap.h"
70 #include "ctdl_module.h"
73 * set global flag calling for an aide to validate new users
75 void set_mm_valid(void) {
76 begin_critical_section(S_CONTROL);
78 CitControl.MMflags = CitControl.MMflags | MM_VALID ;
80 end_critical_section(S_CONTROL);
86 * Extract Internet e-mail addresses from a message containing a vCard, and
87 * perform a callback for any found.
89 void vcard_extract_internet_addresses(struct CtdlMessage *msg, int (*callback)(char *, char *) ) {
94 char citadel_address[SIZ];
96 int found_something = 0;
98 if (CM_IsEmpty(msg, eAuthor)) return;
99 if (CM_IsEmpty(msg, eNodeName)) return;
100 snprintf(citadel_address, sizeof citadel_address, "%s @ %s",
101 msg->cm_fields[eAuthor], msg->cm_fields[eNodeName]);
103 v = vcard_load(msg->cm_fields[eMesageText]);
104 if (v == NULL) return;
106 /* Go through the vCard searching for *all* instances of
107 * the "email;internet" key
110 s = vcard_get_prop(v, "email", 1, instance, 0); /* get any 'email' field */
111 k = vcard_get_prop(v, "email", 1, instance++, 1); /* but also learn it with attrs */
112 if ( (s != NULL) && (k != NULL) && (bmstrcasestr(k, "internet")) ) {
115 if (!IsEmptyStr(addr)) {
116 if (callback != NULL) {
117 callback(addr, citadel_address);
126 } while(found_something);
133 * Callback for vcard_add_to_directory()
134 * (Lotsa ugly nested callbacks. Oh well.)
136 int vcard_directory_add_user(char *internet_addr, char *citadel_addr) {
137 struct CitContext *CCC = CC;
140 /* We have to validate that we're not stepping on someone else's
141 * email address ... but only if we're logged in. Otherwise it's
142 * probably just the networker or something.
144 if (CCC->logged_in) {
145 syslog(LOG_DEBUG, "Checking for <%s>...", internet_addr);
146 if (CtdlDirectoryLookup(buf, internet_addr, sizeof buf) == 0) {
147 if (strcasecmp(buf, citadel_addr)) {
148 /* This address belongs to someone else.
149 * Bail out silently without saving.
151 syslog(LOG_DEBUG, "DOOP!");
153 StrBufAppendPrintf(CCC->StatusMessage, "\n%d|", ERROR+ALREADY_EXISTS);
154 StrBufAppendBufPlain(CCC->StatusMessage, internet_addr, -1, 0);
155 StrBufAppendBufPlain(CCC->StatusMessage, HKEY("|"), 0);
156 StrBufAppendBufPlain(CCC->StatusMessage, _("Unable to add this email address again."), -1, 0);
157 StrBufAppendBufPlain(CCC->StatusMessage, HKEY("\n"), 0);
162 syslog(LOG_INFO, "Adding %s (%s) to directory", citadel_addr, internet_addr);
163 if (CtdlDirectoryAddUser(internet_addr, citadel_addr))
165 StrBufAppendPrintf(CCC->StatusMessage, "\n%d|", CIT_OK);
166 StrBufAppendBufPlain(CCC->StatusMessage, internet_addr, -1, 0);
167 StrBufAppendBufPlain(CCC->StatusMessage, HKEY("|"), 0);
168 StrBufAppendBufPlain(CCC->StatusMessage, _("Successfully added email address."), -1, 0);
173 StrBufAppendPrintf(CCC->StatusMessage, "\n%d|", ERROR+ ILLEGAL_VALUE);
174 StrBufAppendBufPlain(CCC->StatusMessage, internet_addr, -1, 0);
175 StrBufAppendBufPlain(CCC->StatusMessage, HKEY("|"), 0);
176 StrBufAppendBufPlain(CCC->StatusMessage, _("Unable to add this email address. It does not match any local domain."), -1, 0);
183 * Back end function for cmd_igab()
185 void vcard_add_to_directory(long msgnum, void *data) {
186 struct CtdlMessage *msg;
188 msg = CtdlFetchMessage(msgnum, 1);
190 vcard_extract_internet_addresses(msg, vcard_directory_add_user);
198 * Initialize Global Adress Book
200 void cmd_igab(char *argbuf) {
201 char hold_rm[ROOMNAMELEN];
203 if (CtdlAccessCheck(ac_aide)) return;
205 strcpy(hold_rm, CC->room.QRname); /* save current room */
207 if (CtdlGetRoom(&CC->room, ADDRESS_BOOK_ROOM) != 0) {
208 CtdlGetRoom(&CC->room, hold_rm);
209 cprintf("%d cannot get address book room\n", ERROR + ROOM_NOT_FOUND);
213 /* Empty the existing database first.
217 /* We want *all* vCards in this room */
218 NewStrBufDupAppendFlush(&CC->StatusMessage, NULL, NULL, 0);
219 CtdlForEachMessage(MSGS_ALL, 0, NULL, "[Tt][Ee][Xx][Tt]/.*[Vv][Cc][Aa][Rr][Dd]$",
220 NULL, vcard_add_to_directory, NULL);
222 CtdlGetRoom(&CC->room, hold_rm); /* return to saved room */
223 cprintf("%d Directory has been rebuilt.\n", CIT_OK);
230 * See if there is a valid Internet address in a vCard to use for outbound
231 * Internet messages. If there is, stick it in the buffer.
233 void extract_inet_email_addrs(char *emailaddrbuf, size_t emailaddrbuf_len,
234 char *secemailaddrbuf, size_t secemailaddrbuf_len,
236 int local_addrs_only)
238 struct CitContext *CCC = CC; /* put this on the stack, just for speed */
241 int IsDirectoryAddress;
242 int saved_instance = 0;
244 /* Go through the vCard searching for *all* Internet email addresses
246 while (s = vcard_get_prop(v, "email", 1, instance, 0), s != NULL) {
247 k = vcard_get_prop(v, "email", 1, instance, 1);
248 if ( (s != NULL) && (k != NULL) && (bmstrcasestr(k, "internet")) ) {
251 if (!IsEmptyStr(addr)) {
252 IsDirectoryAddress = IsDirectory(addr, 1);
253 if ( IsDirectoryAddress || !local_addrs_only)
256 if ((saved_instance == 1) && (emailaddrbuf != NULL)) {
257 safestrncpy(emailaddrbuf, addr, emailaddrbuf_len);
259 else if ((saved_instance == 2) && (secemailaddrbuf != NULL)) {
260 safestrncpy(secemailaddrbuf, addr, secemailaddrbuf_len);
262 else if ((saved_instance > 2) && (secemailaddrbuf != NULL)) {
263 if ( (strlen(addr) + strlen(secemailaddrbuf) + 2)
264 < secemailaddrbuf_len ) {
265 strcat(secemailaddrbuf, "|");
266 strcat(secemailaddrbuf, addr);
270 if (!IsDirectoryAddress && local_addrs_only)
272 StrBufAppendPrintf(CCC->StatusMessage, "\n%d|", ERROR+ ILLEGAL_VALUE);
273 StrBufAppendBufPlain(CCC->StatusMessage, addr, -1, 0);
274 StrBufAppendBufPlain(CCC->StatusMessage, HKEY("|"), 0);
275 StrBufAppendBufPlain(CCC->StatusMessage, _("unable to add this emailaddress; its not matching our domain."), -1, 0);
287 * See if there is a name / screen name / friendly name in a vCard to use for outbound
288 * Internet messages. If there is, stick it in the buffer.
290 void extract_friendly_name(char *namebuf, size_t namebuf_len, struct vCard *v)
294 s = vcard_get_prop(v, "fn", 1, 0, 0);
296 s = vcard_get_prop(v, "n", 1, 0, 0);
300 safestrncpy(namebuf, s, namebuf_len);
306 * Callback function for vcard_upload_beforesave() hunts for the real vcard in the MIME structure
308 void vcard_extract_vcard(char *name, char *filename, char *partnum, char *disp,
309 void *content, char *cbtype, char *cbcharset, size_t length,
310 char *encoding, char *cbid, void *cbuserdata)
312 struct vCard **v = (struct vCard **) cbuserdata;
314 if ( (!strcasecmp(cbtype, "text/x-vcard"))
315 || (!strcasecmp(cbtype, "text/vcard")) ) {
317 syslog(LOG_DEBUG, "Part %s contains a vCard! Loading...", partnum);
321 *v = vcard_load(content);
327 * This handler detects whether the user is attempting to save a new
328 * vCard as part of his/her personal configuration, and handles the replace
329 * function accordingly (delete the user's existing vCard in the config room
330 * and in the global address book).
332 int vcard_upload_beforesave(struct CtdlMessage *msg) {
333 struct CitContext *CCC = CC;
336 struct ctdluser usbuf;
338 struct vCard *v = NULL;
341 int yes_my_citadel_config = 0;
342 int yes_any_vcard_room = 0;
344 if (!CCC->logged_in) return(0); /* Only do this if logged in. */
346 /* Is this some user's "My Citadel Config" room? */
347 if (((CCC->room.QRflags & QR_MAILBOX) != 0) &&
348 (!strcasecmp(&CCC->room.QRname[11], USERCONFIGROOM)) ) {
349 /* Yes, we want to do this */
350 yes_my_citadel_config = 1;
352 #ifdef VCARD_SAVES_BY_AIDES_ONLY
353 /* Prevent non-aides from performing registration changes */
354 if (CCC->user.axlevel < AxAideU) {
361 /* Is this a room with an address book in it? */
362 if (CCC->room.QRdefaultview == VIEW_ADDRESSBOOK) {
363 yes_any_vcard_room = 1;
366 /* If neither condition exists, don't run this hook. */
367 if ( (!yes_my_citadel_config) && (!yes_any_vcard_room) ) {
371 /* If this isn't a MIME message, don't bother. */
372 if (msg->cm_format_type != 4) return(0);
374 /* Ok, if we got this far, look into the situation further... */
376 if (CM_IsEmpty(msg, eMesageText)) return(0);
378 mime_parser(msg->cm_fields[eMesageText],
380 *vcard_extract_vcard,
382 &v, /* user data ptr - put the vcard here */
386 if (v == NULL) return(0); /* no vCards were found in this message */
388 /* If users cannot create their own accounts, they cannot re-register either. */
389 if ( (yes_my_citadel_config) && (config.c_disable_newu) && (CCC->user.axlevel < AxAideU) ) {
393 vcard_get_prop(v, "fn", 1, 0, 0);
395 if (yes_my_citadel_config) {
396 /* Bingo! The user is uploading a new vCard, so
397 * delete the old one. First, figure out which user
398 * is being re-registered...
400 what_user = atol(CCC->room.QRname);
402 if (what_user == CCC->user.usernum) {
403 /* It's the logged in user. That was easy. */
404 memcpy(&usbuf, &CCC->user, sizeof(struct ctdluser));
407 else if (CtdlGetUserByNumber(&usbuf, what_user) == 0) {
408 /* We fetched a valid user record */
412 /* somebody set up us the bomb! */
413 yes_my_citadel_config = 0;
417 if (yes_my_citadel_config) {
418 /* Delete the user's old vCard. This would probably
419 * get taken care of by the replication check, but we
420 * want to make sure there is absolutely only one
421 * vCard in the user's config room at all times.
424 CtdlDeleteMessages(CCC->room.QRname, NULL, 0, "[Tt][Ee][Xx][Tt]/.*[Vv][Cc][Aa][Rr][Dd]$");
426 /* Make the author of the message the name of the user. */
427 CM_SetField(msg, eAuthor, usbuf.fullname, strlen(usbuf.fullname));
430 /* Insert or replace RFC2739-compliant free/busy URL */
431 if (yes_my_citadel_config) {
432 sprintf(buf, "http://%s/%s.vfb",
435 for (i=0; buf[i]; ++i) {
436 if (buf[i] == ' ') buf[i] = '_';
438 vcard_set_prop(v, "FBURL;PREF", buf, 0);
441 /* If the vCard has no UID, then give it one. */
442 s = vcard_get_prop(v, "UID", 1, 0, 0);
445 vcard_set_prop(v, "UID", buf, 0);
448 /* Enforce local UID policy if applicable */
449 if (yes_my_citadel_config) {
450 snprintf(buf, sizeof buf, VCARD_EXT_FORMAT, msg->cm_fields[eAuthor], NODENAME);
451 vcard_set_prop(v, "UID", buf, 0);
455 * Set the EUID of the message to the UID of the vCard.
457 CM_FlushField(msg, eExclusiveID);
459 s = vcard_get_prop(v, "UID", 1, 0, 0);
461 CM_SetField(msg, eExclusiveID, s, strlen(s));
462 if (CM_IsEmpty(msg, eMsgSubject)) {
463 CM_CopyField(msg, eMsgSubject, eExclusiveID);
468 * Set the Subject to the name in the vCard.
470 s = vcard_get_prop(v, "FN", 1, 0, 0);
472 s = vcard_get_prop(v, "N", 1, 0, 0);
475 CM_SetField(msg, eMsgSubject, s, strlen(s));
478 /* Re-serialize it back into the msg body */
479 ser = vcard_serialize(v);
484 serlen = strlen(ser);
485 buf = NewStrBufPlain(NULL, serlen + 1024);
487 StrBufAppendBufPlain(buf, HKEY("Content-type: " VCARD_MIME_TYPE "\r\n\r\n"), 0);
488 StrBufAppendBufPlain(buf, ser, serlen, 0);
489 StrBufAppendBufPlain(buf, HKEY("\r\n"), 0);
490 CM_SetAsFieldSB(msg, eMesageText, &buf);
494 /* Now allow the save to complete. */
502 * This handler detects whether the user is attempting to save a new
503 * vCard as part of his/her personal configuration, and handles the replace
504 * function accordingly (copy the vCard from the config room to the global
507 int vcard_upload_aftersave(struct CtdlMessage *msg) {
508 struct CitContext *CCC = CC;
514 int is_MY_UserConf=0;
516 char roomname[ROOMNAMELEN];
518 if (msg->cm_format_type != 4) return(0);
519 if (!CCC->logged_in) return(0); /* Only do this if logged in. */
521 /* We're interested in user config rooms only. */
523 if ( (strlen(CCC->room.QRname) >= 12) && (!strcasecmp(&CCC->room.QRname[11], USERCONFIGROOM)) ) {
524 is_UserConf = 1; /* It's someone's config room */
526 CtdlMailboxName(roomname, sizeof roomname, &CCC->user, USERCONFIGROOM);
527 if (!strcasecmp(CCC->room.QRname, roomname)) {
529 is_MY_UserConf = 1; /* It's MY config room */
531 if (!strcasecmp(CCC->room.QRname, ADDRESS_BOOK_ROOM)) {
532 is_GAB = 1; /* It's the Global Address Book */
535 if (!is_UserConf && !is_GAB) return(0);
537 if (CM_IsEmpty(msg, eMesageText))
540 ptr = msg->cm_fields[eMesageText];
542 NewStrBufDupAppendFlush(&CCC->StatusMessage, NULL, NULL, 0);
544 StrBufPrintf(CCC->StatusMessage, "%d\n", LISTING_FOLLOWS);
546 while (ptr != NULL) {
548 linelen = strcspn(ptr, "\n");
549 if (linelen == 0) return(0); /* end of headers */
551 if ( (!strncasecmp(ptr, "Content-type: text/x-vcard", 26))
552 || (!strncasecmp(ptr, "Content-type: text/vcard", 24)) ) {
554 * Bingo! The user is uploading a new vCard, so
555 * copy it to the Global Address Book room.
558 I = atol(msg->cm_fields[eVltMsgNum]);
559 if (I <= 0L) return(0);
561 /* Store our Internet return address in memory */
562 if (is_MY_UserConf) {
563 v = vcard_load(msg->cm_fields[eMesageText]);
564 extract_inet_email_addrs(CCC->cs_inet_email, sizeof CCC->cs_inet_email,
565 CCC->cs_inet_other_emails, sizeof CCC->cs_inet_other_emails,
567 extract_friendly_name(CCC->cs_inet_fn, sizeof CCC->cs_inet_fn, v);
572 { // This is not the GAB
573 /* Put it in the Global Address Book room... */
574 CtdlSaveMsgPointerInRoom(ADDRESS_BOOK_ROOM, I, 1, msg);
577 /* ...and also in the directory database. */
578 vcard_add_to_directory(I, NULL);
580 /* Some sites want an Aide to be notified when a
581 * user registers or re-registers
582 * But if the user was an Aide or was edited by an Aide then we can
583 * Assume they don't need validating.
585 if (CCC->user.axlevel >= AxAideU) {
586 CtdlGetUserLock(&CCC->user, CCC->curr_user);
587 CCC->user.flags |= US_REGIS;
588 CtdlPutUserLock(&CCC->user);
594 /* ...which also means we need to flag the user */
595 CtdlGetUserLock(&CCC->user, CCC->curr_user);
596 CCC->user.flags |= (US_REGIS|US_NEEDVALID);
597 CtdlPutUserLock(&CCC->user);
602 ptr = strchr((char *)ptr, '\n');
603 if (ptr != NULL) ++ptr;
612 * back end function used for callbacks
614 void vcard_gu_backend(long supplied_msgnum, void *userdata) {
617 msgnum = (long *) userdata;
618 *msgnum = supplied_msgnum;
623 * If this user has a vcard on disk, read it into memory, otherwise allocate
624 * and return an empty vCard.
626 struct vCard *vcard_get_user(struct ctdluser *u) {
627 struct CitContext *CCC = CC;
628 char hold_rm[ROOMNAMELEN];
629 char config_rm[ROOMNAMELEN];
630 struct CtdlMessage *msg = NULL;
634 strcpy(hold_rm, CCC->room.QRname); /* save current room */
635 CtdlMailboxName(config_rm, sizeof config_rm, u, USERCONFIGROOM);
637 if (CtdlGetRoom(&CCC->room, config_rm) != 0) {
638 CtdlGetRoom(&CCC->room, hold_rm);
642 /* We want the last (and probably only) vcard in this room */
644 CtdlForEachMessage(MSGS_LAST, 1, NULL, "[Tt][Ee][Xx][Tt]/.*[Vv][Cc][Aa][Rr][Dd]$",
645 NULL, vcard_gu_backend, (void *)&VCmsgnum );
646 CtdlGetRoom(&CCC->room, hold_rm); /* return to saved room */
648 if (VCmsgnum < 0L) return vcard_new();
650 msg = CtdlFetchMessage(VCmsgnum, 1);
651 if (msg == NULL) return vcard_new();
653 v = vcard_load(msg->cm_fields[eMesageText]);
660 * Store this user's vCard in the appropriate place
663 * Write our config to disk
665 void vcard_write_user(struct ctdluser *u, struct vCard *v) {
668 ser = vcard_serialize(v);
670 ser = strdup("begin:vcard\r\nend:vcard\r\n");
674 /* This handy API function does all the work for us.
675 * NOTE: normally we would want to set that last argument to 1, to
676 * force the system to delete the user's old vCard. But it doesn't
677 * have to, because the vcard_upload_beforesave() hook above
678 * is going to notice what we're trying to do, and delete the old vCard.
680 CtdlWriteObject(USERCONFIGROOM, /* which room */
681 VCARD_MIME_TYPE, /* MIME type */
683 strlen(ser)+1, /* length */
686 0, /* don't delete others of this type */
695 * Old style "enter registration info" command. This function simply honors
696 * the REGI protocol command, translates the entered parameters into a vCard,
697 * and enters the vCard into the user's configuration.
699 void cmd_regi(char *argbuf) {
700 struct CitContext *CCC = CC;
703 struct vCard *my_vcard;
709 char tmpaddress[SIZ];
710 char tmpcountry[SIZ];
714 if (!(CCC->logged_in)) {
715 cprintf("%d Not logged in.\n",ERROR + NOT_LOGGED_IN);
719 /* If users cannot create their own accounts, they cannot re-register either. */
720 if ( (config.c_disable_newu) && (CCC->user.axlevel < AxAideU) ) {
721 cprintf("%d Self-service registration is not allowed here.\n",
722 ERROR + HIGHER_ACCESS_REQUIRED);
725 my_vcard = vcard_get_user(&CCC->user);
728 strcpy(tmpstate, "");
730 strcpy(tmpcountry, "USA");
732 cprintf("%d Send registration...\n", SEND_LISTING);
734 while (client_getln(buf, sizeof buf), strcmp(buf,"000")) {
735 if (a==0) vcard_set_prop(my_vcard, "n", buf, 0);
736 if (a==1) strcpy(tmpaddr, buf);
737 if (a==2) strcpy(tmpcity, buf);
738 if (a==3) strcpy(tmpstate, buf);
740 for (c=0; buf[c]; ++c) {
741 if ((buf[c]>='0') && (buf[c]<='9')) {
748 if (a==5) vcard_set_prop(my_vcard, "tel", buf, 0);
749 if (a==6) vcard_set_prop(my_vcard, "email;internet", buf, 0);
750 if (a==7) strcpy(tmpcountry, buf);
754 snprintf(tmpaddress, sizeof tmpaddress, ";;%s;%s;%s;%s;%s",
755 tmpaddr, tmpcity, tmpstate, tmpzip, tmpcountry);
756 vcard_set_prop(my_vcard, "adr", tmpaddress, 0);
757 vcard_write_user(&CCC->user, my_vcard);
758 vcard_free(my_vcard);
763 * Protocol command to fetch registration info for a user
765 void cmd_greg(char *argbuf)
767 struct CitContext *CCC = CC;
768 struct ctdluser usbuf;
771 char who[USERNAME_SIZE];
775 extract_token(who, argbuf, 0, '|', sizeof who);
777 if (!(CCC->logged_in)) {
778 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
782 if (!strcasecmp(who,"_SELF_")) strcpy(who,CCC->curr_user);
784 if ((CCC->user.axlevel < AxAideU) && (strcasecmp(who,CCC->curr_user))) {
785 cprintf("%d Higher access required.\n",
786 ERROR + HIGHER_ACCESS_REQUIRED);
790 if (CtdlGetUser(&usbuf, who) != 0) {
791 cprintf("%d '%s' not found.\n", ERROR + NO_SUCH_USER, who);
795 v = vcard_get_user(&usbuf);
797 cprintf("%d %s\n", LISTING_FOLLOWS, usbuf.fullname);
798 cprintf("%ld\n", usbuf.usernum);
799 cprintf("%s\n", usbuf.password);
800 s = vcard_get_prop(v, "n", 1, 0, 0);
801 cprintf("%s\n", s ? s : " "); /* name */
803 s = vcard_get_prop(v, "adr", 1, 0, 0);
804 snprintf(adr, sizeof adr, "%s", s ? s : " ");/* address... */
806 extract_token(buf, adr, 2, ';', sizeof buf);
807 cprintf("%s\n", buf); /* street */
808 extract_token(buf, adr, 3, ';', sizeof buf);
809 cprintf("%s\n", buf); /* city */
810 extract_token(buf, adr, 4, ';', sizeof buf);
811 cprintf("%s\n", buf); /* state */
812 extract_token(buf, adr, 5, ';', sizeof buf);
813 cprintf("%s\n", buf); /* zip */
815 s = vcard_get_prop(v, "tel", 1, 0, 0);
816 if (s == NULL) s = vcard_get_prop(v, "tel", 1, 0, 0);
824 cprintf("%d\n", usbuf.axlevel);
826 s = vcard_get_prop(v, "email;internet", 0, 0, 0);
827 cprintf("%s\n", s ? s : " ");
828 s = vcard_get_prop(v, "adr", 0, 0, 0);
829 snprintf(adr, sizeof adr, "%s", s ? s : " ");/* address... */
831 extract_token(buf, adr, 6, ';', sizeof buf);
832 cprintf("%s\n", buf); /* country */
840 * When a user is being created, create his/her vCard.
842 void vcard_newuser(struct ctdluser *usbuf) {
848 vcard_fn_to_n(vname, usbuf->fullname, sizeof vname);
849 syslog(LOG_DEBUG, "Converted <%s> to <%s>", usbuf->fullname, vname);
851 /* Create and save the vCard */
853 if (v == NULL) return;
854 vcard_add_prop(v, "fn", usbuf->fullname);
855 vcard_add_prop(v, "n", vname);
856 vcard_add_prop(v, "adr", "adr:;;_;_;_;00000;__");
858 #ifdef HAVE_GETPWUID_R
859 /* If using host auth mode, we add an email address based on the login */
860 if (config.c_auth_mode == AUTHMODE_HOST) {
862 char pwd_buffer[SIZ];
864 #ifdef SOLARIS_GETPWUID
865 if (getpwuid_r(usbuf->uid, &pwd, pwd_buffer, sizeof pwd_buffer) != NULL) {
866 #else // SOLARIS_GETPWUID
867 struct passwd *result = NULL;
868 syslog(LOG_DEBUG, "Searching for uid %d", usbuf->uid);
869 if (getpwuid_r(usbuf->uid, &pwd, pwd_buffer, sizeof pwd_buffer, &result) == 0) {
870 #endif // HAVE_GETPWUID_R
871 snprintf(buf, sizeof buf, "%s@%s", pwd.pw_name, config.c_fqdn);
872 vcard_add_prop(v, "email;internet", buf);
877 /* Everyone gets an email address based on their display name */
878 snprintf(buf, sizeof buf, "%s@%s", usbuf->fullname, config.c_fqdn);
879 for (i=0; buf[i]; ++i) {
880 if (buf[i] == ' ') buf[i] = '_';
882 vcard_add_prop(v, "email;internet", buf);
885 vcard_write_user(usbuf, v);
891 * When a user is being deleted, we have to remove his/her vCard.
892 * This is accomplished by issuing a message with 'CANCEL' in the S (special)
893 * field, and the same Exclusive ID as the existing card.
895 void vcard_purge(struct ctdluser *usbuf) {
896 struct CtdlMessage *msg;
900 msg = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
901 if (msg == NULL) return;
902 memset(msg, 0, sizeof(struct CtdlMessage));
904 msg->cm_magic = CTDLMESSAGE_MAGIC;
905 msg->cm_anon_type = MES_NORMAL;
906 msg->cm_format_type = 0;
907 CM_SetField(msg, eAuthor, usbuf->fullname, strlen(usbuf->fullname));
908 CM_SetField(msg, eOriginalRoom, HKEY(ADDRESS_BOOK_ROOM));
909 CM_SetField(msg, eNodeName, NODENAME, strlen(NODENAME));
910 CM_SetField(msg, eMesageText, HKEY("Purge this vCard\n"));
912 len = snprintf(buf, sizeof buf, VCARD_EXT_FORMAT,
913 msg->cm_fields[eAuthor], NODENAME);
914 CM_SetField(msg, eExclusiveID, buf, len);
916 CM_SetField(msg, eSpecialField, HKEY("CANCEL"));
918 CtdlSubmitMsg(msg, NULL, ADDRESS_BOOK_ROOM, QP_EADDR);
924 * Grab vCard directory stuff out of incoming network messages
926 int vcard_extract_from_network(struct CtdlMessage *msg, char *target_room) {
930 if (msg == NULL) return(0);
932 if (strcasecmp(target_room, ADDRESS_BOOK_ROOM)) {
936 if (msg->cm_format_type != 4) return(0);
938 if (CM_IsEmpty(msg, eMesageText))
941 ptr = msg->cm_fields[eMesageText];
943 while (ptr != NULL) {
945 linelen = strcspn(ptr, "\n");
946 if (linelen == 0) return(0); /* end of headers */
948 if ( (!strncasecmp(ptr, "Content-type: text/x-vcard", 26))
949 || (!strncasecmp(ptr, "Content-type: text/vcard", 24)) ) {
950 /* It's a vCard. Add it to the directory. */
951 vcard_extract_internet_addresses(msg, CtdlDirectoryAddUser);
955 ptr = strchr((char *)ptr, '\n');
956 if (ptr != NULL) ++ptr;
965 * When a vCard is being removed from the Global Address Book room, remove it
966 * from the directory as well.
968 void vcard_delete_remove(char *room, long msgnum) {
969 struct CtdlMessage *msg;
973 if (msgnum <= 0L) return;
975 if (room == NULL) return;
977 if (strcasecmp(room, ADDRESS_BOOK_ROOM)) {
981 msg = CtdlFetchMessage(msgnum, 1);
982 if (msg == NULL) return;
984 if (CM_IsEmpty(msg, eMesageText))
987 ptr = msg->cm_fields[eMesageText];
989 while (ptr != NULL) {
990 linelen = strcspn(ptr, "\n");
991 if (linelen == 0) goto EOH;
993 if ( (!strncasecmp(ptr, "Content-type: text/x-vcard", 26))
994 || (!strncasecmp(ptr, "Content-type: text/vcard", 24)) ) {
995 /* Bingo! A vCard is being deleted. */
996 vcard_extract_internet_addresses(msg, CtdlDirectoryDelUser);
998 ptr = strchr((char *)ptr, '\n');
999 if (ptr != NULL) ++ptr;
1008 * Get Valid Screen Names
1010 void cmd_gvsn(char *argbuf)
1012 struct CitContext *CCC = CC;
1014 if (CtdlAccessCheck(ac_logged_in)) return;
1016 cprintf("%d valid screen names:\n", LISTING_FOLLOWS);
1017 cprintf("%s\n", CCC->user.fullname);
1018 if ( (!IsEmptyStr(CCC->cs_inet_fn)) && (strcasecmp(CCC->user.fullname, CCC->cs_inet_fn)) ) {
1019 cprintf("%s\n", CCC->cs_inet_fn);
1026 * Get Valid Email Addresses
1028 void cmd_gvea(char *argbuf)
1030 struct CitContext *CCC = CC;
1031 int num_secondary_emails = 0;
1035 if (CtdlAccessCheck(ac_logged_in)) return;
1037 cprintf("%d valid email addresses:\n", LISTING_FOLLOWS);
1038 if (!IsEmptyStr(CCC->cs_inet_email)) {
1039 cprintf("%s\n", CCC->cs_inet_email);
1041 if (!IsEmptyStr(CCC->cs_inet_other_emails)) {
1042 num_secondary_emails = num_tokens(CCC->cs_inet_other_emails, '|');
1043 for (i=0; i<num_secondary_emails; ++i) {
1044 extract_token(buf, CCC->cs_inet_other_emails,i,'|',sizeof CCC->cs_inet_other_emails);
1045 cprintf("%s\n", buf);
1055 * Callback function for cmd_dvca() that hunts for vCard content types
1056 * and outputs any email addresses found within.
1058 void dvca_mime_callback(char *name, char *filename, char *partnum, char *disp,
1059 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1060 char *cbid, void *cbuserdata) {
1063 char displayname[256] = "";
1064 int displayname_len;
1065 char emailaddr[256] = "";
1069 if ( (strcasecmp(cbtype, "text/vcard")) && (strcasecmp(cbtype, "text/x-vcard")) ) {
1073 v = vcard_load(content);
1074 if (v == NULL) return;
1076 extract_friendly_name(displayname, sizeof displayname, v);
1077 extract_inet_email_addrs(emailaddr, sizeof emailaddr, NULL, 0, v, 0);
1079 displayname_len = strlen(displayname);
1080 for (i=0; i<displayname_len; ++i) {
1081 if (displayname[i] == '\"') displayname[i] = ' ';
1082 if (displayname[i] == ';') displayname[i] = ',';
1083 if (displayname[i] == ',') has_commas = 1;
1085 striplt(displayname);
1087 cprintf("%s%s%s <%s>\n",
1088 (has_commas ? "\"" : ""),
1090 (has_commas ? "\"" : ""),
1099 * Back end callback function for cmd_dvca()
1101 * It's basically just passed a list of message numbers, which we're going
1102 * to fetch off the disk and then pass along to the MIME parser via another
1103 * layer of callback...
1105 void dvca_callback(long msgnum, void *userdata) {
1106 struct CtdlMessage *msg = NULL;
1108 msg = CtdlFetchMessage(msgnum, 1);
1109 if (msg == NULL) return;
1110 mime_parser(msg->cm_fields[eMesageText],
1112 *dvca_mime_callback, /* callback function */
1114 NULL, /* user data */
1122 * Dump VCard Addresses
1124 void cmd_dvca(char *argbuf)
1126 if (CtdlAccessCheck(ac_logged_in)) return;
1128 cprintf("%d addresses:\n", LISTING_FOLLOWS);
1129 CtdlForEachMessage(MSGS_ALL, 0, NULL, NULL, NULL, dvca_callback, NULL);
1137 void cmd_qdir(char *argbuf) {
1138 char citadel_addr[256];
1139 char internet_addr[256];
1141 if (CtdlAccessCheck(ac_logged_in)) return;
1143 extract_token(internet_addr, argbuf, 0, '|', sizeof internet_addr);
1145 if (CtdlDirectoryLookup(citadel_addr, internet_addr, sizeof citadel_addr) != 0) {
1146 cprintf("%d %s was not found.\n",
1147 ERROR + NO_SUCH_USER, internet_addr);
1151 cprintf("%d %s\n", CIT_OK, citadel_addr);
1155 * Query Directory, in fact an alias to match postfix tcp auth.
1157 void check_get(void) {
1158 char internet_addr[256];
1163 memset(cmdbuf, 0, sizeof cmdbuf); /* Clear it, just in case */
1164 if (client_getln(cmdbuf, sizeof cmdbuf) < 1) {
1165 syslog(LOG_CRIT, "vcard client disconnected: ending session.");
1166 CC->kill_me = KILLME_CLIENT_DISCONNECTED;
1169 syslog(LOG_INFO, ": %s", cmdbuf);
1170 while (strlen(cmdbuf) < 3) strcat(cmdbuf, " ");
1171 syslog(LOG_INFO, "[ %s]", cmdbuf);
1173 if (strncasecmp(cmdbuf, "GET ", 4)==0)
1175 struct recptypes *rcpt;
1176 char *argbuf = &cmdbuf[4];
1178 extract_token(internet_addr, argbuf, 0, '|', sizeof internet_addr);
1179 rcpt = validate_recipients(internet_addr, NULL, CHECK_EXISTANCE);
1180 if ((rcpt != NULL)&&
1182 (*rcpt->recp_local != '\0')||
1183 (*rcpt->recp_room != '\0')||
1184 (*rcpt->recp_ignet != '\0')))
1187 cprintf("200 OK %s\n", internet_addr);
1188 syslog(LOG_INFO, "sending 200 OK for the room %s", rcpt->display_recp);
1192 cprintf("500 REJECT noone here by that name.\n");
1194 syslog(LOG_INFO, "sending 500 REJECT no one here by that name: %s", internet_addr);
1197 free_recipients(rcpt);
1200 cprintf("500 REJECT invalid Query.\n");
1201 syslog(LOG_INFO, "sending 500 REJECT invalid query: %s", internet_addr);
1205 void check_get_greeting(void) {
1206 /* dummy function, we have no greeting in this verry simple protocol. */
1211 * We don't know if the Contacts room exists so we just create it at login
1213 void vcard_CtdlCreateRoom(void)
1218 /* Create the calendar room if it doesn't already exist */
1219 CtdlCreateRoom(USERCONTACTSROOM, 4, "", 0, 1, 0, VIEW_ADDRESSBOOK);
1221 /* Set expiration policy to manual; otherwise objects will be lost! */
1222 if (CtdlGetRoomLock(&qr, USERCONTACTSROOM)) {
1223 syslog(LOG_ERR, "Couldn't get the user CONTACTS room!");
1226 qr.QRep.expire_mode = EXPIRE_MANUAL;
1227 qr.QRdefaultview = VIEW_ADDRESSBOOK; /* 2 = address book view */
1228 CtdlPutRoomLock(&qr);
1230 /* Set the view to a calendar view */
1231 CtdlGetRelationship(&vbuf, &CC->user, &qr);
1232 vbuf.v_view = 2; /* 2 = address book view */
1233 CtdlSetRelationship(&vbuf, &CC->user, &qr);
1242 * When a user logs in...
1244 void vcard_session_login_hook(void) {
1245 struct vCard *v = NULL;
1246 struct CitContext *CCC = CC; /* put this on the stack, just for speed */
1250 * Is this an LDAP session? If so, copy various LDAP attributes from the directory entry
1251 * into the user's vCard.
1253 if ((config.c_auth_mode == AUTHMODE_LDAP) || (config.c_auth_mode == AUTHMODE_LDAP_AD)) {
1254 v = vcard_get_user(&CCC->user);
1256 if (Ctdl_LDAP_to_vCard(CCC->ldap_dn, v)) {
1257 vcard_write_user(&CCC->user, v);
1264 * Extract from the user's vCard, any Internet email addresses and the user's real name.
1265 * These are inserted into the session data for various message entry commands to use.
1267 v = vcard_get_user(&CCC->user);
1269 extract_inet_email_addrs(CCC->cs_inet_email, sizeof CCC->cs_inet_email,
1270 CCC->cs_inet_other_emails, sizeof CCC->cs_inet_other_emails,
1273 extract_friendly_name(CCC->cs_inet_fn, sizeof CCC->cs_inet_fn, v);
1278 * Create the user's 'Contacts' room (personal address book) if it doesn't already exist.
1280 vcard_CtdlCreateRoom();
1285 * Turn an arbitrary RFC822 address into a struct vCard for possible
1286 * inclusion into an address book.
1288 struct vCard *vcard_new_from_rfc822_addr(char *addr) {
1290 char user[256], node[256], name[256], email[256], n[256], uid[256];
1294 if (v == NULL) return(NULL);
1296 process_rfc822_addr(addr, user, node, name);
1297 vcard_set_prop(v, "fn", name, 0);
1299 vcard_fn_to_n(n, name, sizeof n);
1300 vcard_set_prop(v, "n", n, 0);
1302 snprintf(email, sizeof email, "%s@%s", user, node);
1303 vcard_set_prop(v, "email;internet", email, 0);
1305 snprintf(uid, sizeof uid, "collected: %s %s@%s", name, user, node);
1306 for (i=0; uid[i]; ++i) {
1307 if (isspace(uid[i])) uid[i] = '_';
1308 uid[i] = tolower(uid[i]);
1310 vcard_set_prop(v, "UID", uid, 0);
1318 * This is called by store_harvested_addresses() to remove from the
1319 * list any addresses we already have in our address book.
1321 void strip_addresses_already_have(long msgnum, void *userdata) {
1322 char *collected_addresses;
1323 struct CtdlMessage *msg = NULL;
1327 char addr[256], user[256], node[256], name[256];
1329 collected_addresses = (char *)userdata;
1331 msg = CtdlFetchMessage(msgnum, 1);
1332 if (msg == NULL) return;
1333 v = vcard_load(msg->cm_fields[eMesageText]);
1337 while (value = vcard_get_prop(v, "email", 1, i++, 0), value != NULL) {
1339 for (j=0; j<num_tokens(collected_addresses, ','); ++j) {
1340 extract_token(addr, collected_addresses, j, ',', sizeof addr);
1342 /* Remove the address if we already have it! */
1343 process_rfc822_addr(addr, user, node, name);
1344 snprintf(addr, sizeof addr, "%s@%s", user, node);
1345 if (!strcasecmp(value, addr)) {
1346 remove_token(collected_addresses, j, ',');
1358 * Back end function for store_harvested_addresses()
1360 void store_this_ha(struct addresses_to_be_filed *aptr) {
1361 struct CtdlMessage *vmsg = NULL;
1363 struct vCard *v = NULL;
1364 char recipient[256];
1367 /* First remove any addresses we already have in the address book */
1368 CtdlUserGoto(aptr->roomname, 0, 0, NULL, NULL);
1369 CtdlForEachMessage(MSGS_ALL, 0, NULL, "[Tt][Ee][Xx][Tt]/.*[Vv][Cc][Aa][Rr][Dd]$", NULL,
1370 strip_addresses_already_have, aptr->collected_addresses);
1372 if (!IsEmptyStr(aptr->collected_addresses))
1373 for (i=0; i<num_tokens(aptr->collected_addresses, ','); ++i) {
1375 /* Make a vCard out of each address */
1376 extract_token(recipient, aptr->collected_addresses, i, ',', sizeof recipient);
1378 v = vcard_new_from_rfc822_addr(recipient);
1381 vmsg = malloc(sizeof(struct CtdlMessage));
1382 memset(vmsg, 0, sizeof(struct CtdlMessage));
1383 vmsg->cm_magic = CTDLMESSAGE_MAGIC;
1384 vmsg->cm_anon_type = MES_NORMAL;
1385 vmsg->cm_format_type = FMT_RFC822;
1386 CM_SetField(vmsg, eAuthor, HKEY("Citadel"));
1387 s = vcard_get_prop(v, "UID", 1, 0, 0);
1388 CM_SetField(vmsg, eExclusiveID, s, strlen(s));
1389 ser = vcard_serialize(v);
1394 serlen = strlen(ser);
1395 buf = NewStrBufPlain(NULL, serlen + 1024);
1397 StrBufAppendBufPlain(buf, HKEY("Content-type: " VCARD_MIME_TYPE "\r\n\r\n"), 0);
1398 StrBufAppendBufPlain(buf, ser, serlen, 0);
1399 StrBufAppendBufPlain(buf, HKEY("\r\n"), 0);
1400 CM_SetAsFieldSB(vmsg, eMesageText, &buf);
1405 syslog(LOG_DEBUG, "Adding contact: %s", recipient);
1406 CtdlSubmitMsg(vmsg, NULL, aptr->roomname, QP_EADDR);
1411 free(aptr->roomname);
1412 free(aptr->collected_addresses);
1418 * When a user sends a message, we may harvest one or more email addresses
1419 * from the recipient list to be added to the user's address book. But we
1420 * want to do this asynchronously so it doesn't keep the user waiting.
1422 void store_harvested_addresses(void) {
1424 struct addresses_to_be_filed *aptr = NULL;
1426 if (atbf == NULL) return;
1428 begin_critical_section(S_ATBF);
1429 while (atbf != NULL) {
1432 end_critical_section(S_ATBF);
1433 store_this_ha(aptr);
1434 begin_critical_section(S_ATBF);
1436 end_critical_section(S_ATBF);
1441 * Function to output vCard data as plain text. Nobody uses MSG0 anymore, so
1442 * really this is just so we expose the vCard data to the full text indexer.
1444 void vcard_fixed_output(char *ptr, int len) {
1445 char *serialized_vcard;
1450 serialized_vcard = malloc(len + 1);
1451 safestrncpy(serialized_vcard, ptr, len+1);
1452 v = vcard_load(serialized_vcard);
1453 free(serialized_vcard);
1456 while (key = vcard_get_prop(v, "", 0, i, 1), key != NULL) {
1457 value = vcard_get_prop(v, "", 0, i++, 0);
1458 cprintf("%s\n", value);
1465 const char *CitadelServiceDICT_TCP="DICT_TCP";
1467 CTDL_MODULE_INIT(vcard)
1476 CtdlRegisterSessionHook(vcard_session_login_hook, EVT_LOGIN, PRIO_LOGIN + 70);
1477 CtdlRegisterMessageHook(vcard_upload_beforesave, EVT_BEFORESAVE);
1478 CtdlRegisterMessageHook(vcard_upload_aftersave, EVT_AFTERSAVE);
1479 CtdlRegisterDeleteHook(vcard_delete_remove);
1480 CtdlRegisterProtoHook(cmd_regi, "REGI", "Enter registration info");
1481 CtdlRegisterProtoHook(cmd_greg, "GREG", "Get registration info");
1482 CtdlRegisterProtoHook(cmd_igab, "IGAB", "Initialize Global Address Book");
1483 CtdlRegisterProtoHook(cmd_qdir, "QDIR", "Query Directory");
1484 CtdlRegisterProtoHook(cmd_gvsn, "GVSN", "Get Valid Screen Names");
1485 CtdlRegisterProtoHook(cmd_gvea, "GVEA", "Get Valid Email Addresses");
1486 CtdlRegisterProtoHook(cmd_dvca, "DVCA", "Dump VCard Addresses");
1487 CtdlRegisterUserHook(vcard_newuser, EVT_NEWUSER);
1488 CtdlRegisterUserHook(vcard_purge, EVT_PURGEUSER);
1489 CtdlRegisterNetprocHook(vcard_extract_from_network);
1490 CtdlRegisterSessionHook(store_harvested_addresses, EVT_TIMER, PRIO_CLEANUP + 470);
1491 CtdlRegisterFixedOutputHook("text/x-vcard", vcard_fixed_output);
1492 CtdlRegisterFixedOutputHook("text/vcard", vcard_fixed_output);
1494 /* Create the Global ADdress Book room if necessary */
1495 CtdlCreateRoom(ADDRESS_BOOK_ROOM, 3, "", 0, 1, 0, VIEW_ADDRESSBOOK);
1497 /* Set expiration policy to manual; otherwise objects will be lost! */
1498 if (!CtdlGetRoomLock(&qr, ADDRESS_BOOK_ROOM)) {
1499 qr.QRep.expire_mode = EXPIRE_MANUAL;
1500 qr.QRdefaultview = VIEW_ADDRESSBOOK; /* 2 = address book view */
1501 CtdlPutRoomLock(&qr);
1504 * Also make sure it has a netconfig file, so the networker runs
1505 * on this room even if we don't share it with any other nodes.
1506 * This allows the CANCEL messages (i.e. "Purge this vCard") to be
1509 assoc_file_name(filename, sizeof filename, &qr, ctdl_netcfg_dir);
1510 fp = fopen(filename, "a");
1511 if (fp != NULL) fclose(fp);
1512 rv = chown(filename, CTDLUID, (-1));
1514 syslog(LOG_EMERG, "Failed to adjust ownership of: %s [%s]",
1515 filename, strerror(errno));
1516 rv = chmod(filename, 0600);
1518 syslog(LOG_EMERG, "Failed to adjust ownership of: %s [%s]",
1519 filename, strerror(errno));
1522 /* for postfix tcpdict */
1523 CtdlRegisterServiceHook(config.c_pftcpdict_port, /* Postfix */
1528 CitadelServiceDICT_TCP);
1531 /* return our module name for the log */