4 * A server-side module for Citadel which supports address book information
5 * using the standard vCard format.
7 * Copyright (c) 1999-2007 / released under the GNU General Public License
11 * Format of the "Exclusive ID" field of the message containing a user's
12 * vCard. Doesn't matter what it really looks like as long as it's both
13 * unique and consistent (because we use it for replication checking to
14 * delete the old vCard network-wide when the user enters a new one).
16 #define VCARD_EXT_FORMAT "Citadel vCard: personal card for %s at %s"
28 #include <sys/types.h>
30 #if TIME_WITH_SYS_TIME
31 # include <sys/time.h>
35 # include <sys/time.h>
46 #include "sysdep_decls.h"
47 #include "citserver.h"
51 #include "serv_extensions.h"
57 #include "internet_addressing.h"
59 #include "mime_parser.h"
61 #include "serv_ldap.h"
62 #include "serv_vcard.h"
65 * set global flag calling for an aide to validate new users
67 void set_mm_valid(void) {
68 begin_critical_section(S_CONTROL);
70 CitControl.MMflags = CitControl.MMflags | MM_VALID ;
72 end_critical_section(S_CONTROL);
78 * Extract Internet e-mail addresses from a message containing a vCard, and
79 * perform a callback for any found.
81 void vcard_extract_internet_addresses(struct CtdlMessage *msg,
82 void (*callback)(char *, char *) ) {
86 char citadel_address[SIZ];
88 int found_something = 0;
90 if (msg->cm_fields['A'] == NULL) return;
91 if (msg->cm_fields['N'] == NULL) return;
92 snprintf(citadel_address, sizeof citadel_address, "%s @ %s",
93 msg->cm_fields['A'], msg->cm_fields['N']);
95 v = vcard_load(msg->cm_fields['M']);
96 if (v == NULL) return;
98 /* Go through the vCard searching for *all* instances of
99 * the "email;internet" key
102 s = vcard_get_prop(v, "email;internet", 0, instance++, 0);
106 if (strlen(addr) > 0) {
107 if (callback != NULL) {
108 callback(addr, citadel_address);
117 } while(found_something);
125 * Callback for vcard_add_to_directory()
126 * (Lotsa ugly nested callbacks. Oh well.)
128 void vcard_directory_add_user(char *internet_addr, char *citadel_addr) {
131 /* We have to validate that we're not stepping on someone else's
132 * email address ... but only if we're logged in. Otherwise it's
133 * probably just the networker or something.
136 lprintf(CTDL_DEBUG, "Checking for <%s>...\n", internet_addr);
137 if (CtdlDirectoryLookup(buf, internet_addr, sizeof buf) == 0) {
138 if (strcasecmp(buf, citadel_addr)) {
139 /* This address belongs to someone else.
140 * Bail out silently without saving.
142 lprintf(CTDL_DEBUG, "DOOP!\n");
147 lprintf(CTDL_INFO, "Adding %s (%s) to directory\n",
148 citadel_addr, internet_addr);
149 CtdlDirectoryAddUser(internet_addr, citadel_addr);
154 * Back end function for cmd_igab()
156 void vcard_add_to_directory(long msgnum, void *data) {
157 struct CtdlMessage *msg;
159 msg = CtdlFetchMessage(msgnum, 1);
161 vcard_extract_internet_addresses(msg, vcard_directory_add_user);
165 ctdl_vcard_to_ldap(msg, V2L_WRITE);
168 CtdlFreeMessage(msg);
173 * Initialize Global Adress Book
175 void cmd_igab(char *argbuf) {
176 char hold_rm[ROOMNAMELEN];
178 if (CtdlAccessCheck(ac_aide)) return;
180 strcpy(hold_rm, CC->room.QRname); /* save current room */
182 if (getroom(&CC->room, ADDRESS_BOOK_ROOM) != 0) {
183 getroom(&CC->room, hold_rm);
184 cprintf("%d cannot get address book room\n", ERROR + ROOM_NOT_FOUND);
188 /* Empty the existing database first.
192 /* We want *all* vCards in this room */
193 CtdlForEachMessage(MSGS_ALL, 0, NULL, "^[Tt][Ee][Xx][Tt]/.*[Vv][Cc][Aa][Rr][Dd]$",
194 NULL, vcard_add_to_directory, NULL);
196 getroom(&CC->room, hold_rm); /* return to saved room */
197 cprintf("%d Directory has been rebuilt.\n", CIT_OK);
204 * See if there is a valid Internet address in a vCard to use for outbound
205 * Internet messages. If there is, stick it in the buffer.
207 void extract_inet_email_addrs(char *emailaddrbuf, size_t emailaddrbuf_len,
208 char *secemailaddrbuf, size_t secemailaddrbuf_len,
209 struct vCard *v, int local_addrs_only) {
212 int saved_instance = 0;
214 /* Go through the vCard searching for *all* instances of
215 * the "email;internet" key
217 while (s = vcard_get_prop(v, "email;internet", 0, instance++, 0), s != NULL) {
220 if (strlen(addr) > 0) {
221 if ( (IsDirectory(addr, 1)) ||
222 (!local_addrs_only) ) {
224 if ((saved_instance == 1) && (emailaddrbuf != NULL)) {
225 safestrncpy(emailaddrbuf, addr, emailaddrbuf_len);
227 else if ((saved_instance == 2) && (secemailaddrbuf != NULL)) {
228 safestrncpy(secemailaddrbuf, addr, secemailaddrbuf_len);
230 else if ((saved_instance > 2) && (secemailaddrbuf != NULL)) {
231 if ( (strlen(addr) + strlen(secemailaddrbuf) + 2)
232 < secemailaddrbuf_len ) {
233 strcat(secemailaddrbuf, "|");
234 strcat(secemailaddrbuf, addr);
246 * See if there is a name / screen name / friendly name in a vCard to use for outbound
247 * Internet messages. If there is, stick it in the buffer.
249 void extract_friendly_name(char *namebuf, size_t namebuf_len, struct vCard *v)
253 s = vcard_get_prop(v, "fn", 0, 0, 0);
255 s = vcard_get_prop(v, "n", 0, 0, 0);
259 safestrncpy(namebuf, s, namebuf_len);
265 * Callback function for vcard_upload_beforesave() hunts for the real vcard in the MIME structure
267 void vcard_extract_vcard(char *name, char *filename, char *partnum, char *disp,
268 void *content, char *cbtype, char *cbcharset, size_t length,
269 char *encoding, void *cbuserdata)
271 struct vCard **v = (struct vCard **) cbuserdata;
273 if ( (!strcasecmp(cbtype, "text/x-vcard"))
274 || (!strcasecmp(cbtype, "text/vcard")) ) {
276 lprintf(CTDL_DEBUG, "Part %s contains a vCard! Loading...\n", partnum);
280 *v = vcard_load(content);
286 * This handler detects whether the user is attempting to save a new
287 * vCard as part of his/her personal configuration, and handles the replace
288 * function accordingly (delete the user's existing vCard in the config room
289 * and in the global address book).
291 int vcard_upload_beforesave(struct CtdlMessage *msg) {
295 struct ctdluser usbuf;
297 struct vCard *v = NULL;
300 int yes_my_citadel_config = 0;
301 int yes_any_vcard_room = 0;
303 if (!CC->logged_in) return(0); /* Only do this if logged in. */
305 /* Is this some user's "My Citadel Config" room? */
306 if ( (CC->room.QRflags && QR_MAILBOX)
307 && (!strcasecmp(&CC->room.QRname[11], USERCONFIGROOM)) ) {
308 /* Yes, we want to do this */
309 yes_my_citadel_config = 1;
311 #ifdef VCARD_SAVES_BY_AIDES_ONLY
312 /* Prevent non-aides from performing registration changes */
313 if (CC->user.axlevel < 6) {
320 /* Is this a room with an address book in it? */
321 if (CC->room.QRdefaultview == VIEW_ADDRESSBOOK) {
322 yes_any_vcard_room = 1;
325 /* If neither condition exists, don't run this hook. */
326 if ( (!yes_my_citadel_config) && (!yes_any_vcard_room) ) {
330 /* If this isn't a MIME message, don't bother. */
331 if (msg->cm_format_type != 4) return(0);
333 /* Ok, if we got this far, look into the situation further... */
335 ptr = msg->cm_fields['M'];
336 if (ptr == NULL) return(0);
338 mime_parser(msg->cm_fields['M'],
340 *vcard_extract_vcard,
342 &v, /* user data ptr - put the vcard here */
346 if (v == NULL) return(0); /* no vCards were found in this message */
348 /* If users cannot create their own accounts, they cannot re-register either. */
349 if ( (yes_my_citadel_config) && (config.c_disable_newu) && (CC->user.axlevel < 6) ) {
353 s = vcard_get_prop(v, "FN", 0, 0, 0);
354 if (s) lprintf(CTDL_DEBUG, "vCard beforesave hook running for <%s>\n", s);
356 if (yes_my_citadel_config) {
357 /* Bingo! The user is uploading a new vCard, so
358 * delete the old one. First, figure out which user
359 * is being re-registered...
361 what_user = atol(CC->room.QRname);
363 if (what_user == CC->user.usernum) {
364 /* It's the logged in user. That was easy. */
365 memcpy(&usbuf, &CC->user, sizeof(struct ctdluser));
368 else if (getuserbynumber(&usbuf, what_user) == 0) {
369 /* We fetched a valid user record */
373 /* somebody set up us the bomb! */
374 yes_my_citadel_config = 0;
378 if (yes_my_citadel_config) {
379 /* Delete the user's old vCard. This would probably
380 * get taken care of by the replication check, but we
381 * want to make sure there is absolutely only one
382 * vCard in the user's config room at all times.
385 CtdlDeleteMessages(CC->room.QRname, NULL, 0, "^[Tt][Ee][Xx][Tt]/.*[Vv][Cc][Aa][Rr][Dd]$");
387 /* Make the author of the message the name of the user. */
388 if (msg->cm_fields['A'] != NULL) {
389 free(msg->cm_fields['A']);
391 msg->cm_fields['A'] = strdup(usbuf.fullname);
394 /* Insert or replace RFC2739-compliant free/busy URL */
395 if (yes_my_citadel_config) {
396 sprintf(buf, "http://%s/%s.vfb",
399 for (i=0; i<strlen(buf); ++i) {
400 if (buf[i] == ' ') buf[i] = '_';
402 vcard_set_prop(v, "FBURL;PREF", buf, 0);
405 /* If the vCard has no UID, then give it one. */
406 s = vcard_get_prop(v, "UID", 0, 0, 0);
409 vcard_set_prop(v, "UID", buf, 0);
412 /* Enforce local UID policy if applicable */
413 if (yes_my_citadel_config) {
414 snprintf(buf, sizeof buf, VCARD_EXT_FORMAT, msg->cm_fields['A'], NODENAME);
415 vcard_set_prop(v, "UID", buf, 0);
419 * Set the EUID of the message to the UID of the vCard.
421 if (msg->cm_fields['E'] != NULL) free(msg->cm_fields['E']);
422 s = vcard_get_prop(v, "UID", 0, 0, 0);
424 msg->cm_fields['E'] = strdup(s);
425 if (msg->cm_fields['U'] == NULL) {
426 msg->cm_fields['U'] = strdup(s);
431 * Set the Subject to the name in the vCard.
433 s = vcard_get_prop(v, "FN", 0, 0, 0);
435 s = vcard_get_prop(v, "N", 0, 0, 0);
438 if (msg->cm_fields['U'] != NULL) {
439 free(msg->cm_fields['U']);
441 msg->cm_fields['U'] = strdup(s);
444 /* Re-serialize it back into the msg body */
445 ser = vcard_serialize(v);
447 msg->cm_fields['M'] = realloc(msg->cm_fields['M'], strlen(ser) + 1024);
448 sprintf(msg->cm_fields['M'],
449 "Content-type: text/vcard"
450 "\r\n\r\n%s\r\n", ser);
454 /* Now allow the save to complete. */
462 * This handler detects whether the user is attempting to save a new
463 * vCard as part of his/her personal configuration, and handles the replace
464 * function accordingly (copy the vCard from the config room to the global
467 int vcard_upload_aftersave(struct CtdlMessage *msg) {
473 if (!CC->logged_in) return(0); /* Only do this if logged in. */
475 /* If this isn't the configuration room, or if this isn't a MIME
476 * message, don't bother.
478 if (msg->cm_fields['O'] == NULL) return(0);
479 if (strcasecmp(msg->cm_fields['O'], USERCONFIGROOM)) return(0);
480 if (msg->cm_format_type != 4) return(0);
482 ptr = msg->cm_fields['M'];
483 if (ptr == NULL) return(0);
484 while (ptr != NULL) {
486 linelen = strcspn(ptr, "\n");
487 if (linelen == 0) return(0); /* end of headers */
489 if ( (!strncasecmp(ptr, "Content-type: text/x-vcard", 26))
490 || (!strncasecmp(ptr, "Content-type: text/vcard", 24)) ) {
492 * Bingo! The user is uploading a new vCard, so
493 * copy it to the Global Address Book room.
496 I = atol(msg->cm_fields['I']);
497 if (I < 0L) return(0);
499 /* Store our Internet return address in memory */
500 v = vcard_load(msg->cm_fields['M']);
501 extract_inet_email_addrs(CC->cs_inet_email, sizeof CC->cs_inet_email,
502 CC->cs_inet_other_emails, sizeof CC->cs_inet_other_emails,
504 extract_friendly_name(CC->cs_inet_fn, sizeof CC->cs_inet_fn, v);
507 /* Put it in the Global Address Book room... */
508 CtdlSaveMsgPointerInRoom(ADDRESS_BOOK_ROOM, I, 1, msg);
510 /* ...and also in the directory database. */
511 vcard_add_to_directory(I, NULL);
513 /* Some sites want an Aide to be notified when a
514 * user registers or re-registers...
518 /* ...which also means we need to flag the user */
519 lgetuser(&CC->user, CC->curr_user);
520 CC->user.flags |= (US_REGIS|US_NEEDVALID);
526 ptr = strchr((char *)ptr, '\n');
527 if (ptr != NULL) ++ptr;
536 * back end function used for callbacks
538 void vcard_gu_backend(long supplied_msgnum, void *userdata) {
541 msgnum = (long *) userdata;
542 *msgnum = supplied_msgnum;
547 * If this user has a vcard on disk, read it into memory, otherwise allocate
548 * and return an empty vCard.
550 struct vCard *vcard_get_user(struct ctdluser *u) {
551 char hold_rm[ROOMNAMELEN];
552 char config_rm[ROOMNAMELEN];
553 struct CtdlMessage *msg = NULL;
557 strcpy(hold_rm, CC->room.QRname); /* save current room */
558 MailboxName(config_rm, sizeof config_rm, u, USERCONFIGROOM);
560 if (getroom(&CC->room, config_rm) != 0) {
561 getroom(&CC->room, hold_rm);
565 /* We want the last (and probably only) vcard in this room */
567 CtdlForEachMessage(MSGS_LAST, 1, NULL, "^[Tt][Ee][Xx][Tt]/.*[Vv][Cc][Aa][Rr][Dd]$",
568 NULL, vcard_gu_backend, (void *)&VCmsgnum );
569 getroom(&CC->room, hold_rm); /* return to saved room */
571 if (VCmsgnum < 0L) return vcard_new();
573 msg = CtdlFetchMessage(VCmsgnum, 1);
574 if (msg == NULL) return vcard_new();
576 v = vcard_load(msg->cm_fields['M']);
577 CtdlFreeMessage(msg);
583 * Store this user's vCard in the appropriate place
586 * Write our config to disk
588 void vcard_write_user(struct ctdluser *u, struct vCard *v) {
593 CtdlMakeTempFileName(temp, sizeof temp);
594 ser = vcard_serialize(v);
596 fp = fopen(temp, "w");
597 if (fp == NULL) return;
599 fprintf(fp, "begin:vcard\r\nend:vcard\r\n");
601 fwrite(ser, strlen(ser), 1, fp);
606 /* This handy API function does all the work for us.
607 * NOTE: normally we would want to set that last argument to 1, to
608 * force the system to delete the user's old vCard. But it doesn't
609 * have to, because the vcard_upload_beforesave() hook above
610 * is going to notice what we're trying to do, and delete the old vCard.
612 CtdlWriteObject(USERCONFIGROOM, /* which room */
613 "text/vcard", /* MIME type */
614 temp, /* temp file */
617 0, /* don't delete others of this type */
626 * Old style "enter registration info" command. This function simply honors
627 * the REGI protocol command, translates the entered parameters into a vCard,
628 * and enters the vCard into the user's configuration.
630 void cmd_regi(char *argbuf) {
633 struct vCard *my_vcard;
639 char tmpaddress[SIZ];
640 char tmpcountry[SIZ];
644 if (!(CC->logged_in)) {
645 cprintf("%d Not logged in.\n",ERROR + NOT_LOGGED_IN);
649 /* If users cannot create their own accounts, they cannot re-register either. */
650 if ( (config.c_disable_newu) && (CC->user.axlevel < 6) ) {
651 cprintf("%d Self-service registration is not allowed here.\n",
652 ERROR + HIGHER_ACCESS_REQUIRED);
655 my_vcard = vcard_get_user(&CC->user);
658 strcpy(tmpstate, "");
660 strcpy(tmpcountry, "USA");
662 cprintf("%d Send registration...\n", SEND_LISTING);
664 while (client_getln(buf, sizeof buf), strcmp(buf,"000")) {
665 if (a==0) vcard_set_prop(my_vcard, "n", buf, 0);
666 if (a==1) strcpy(tmpaddr, buf);
667 if (a==2) strcpy(tmpcity, buf);
668 if (a==3) strcpy(tmpstate, buf);
670 for (c=0; c<strlen(buf); ++c) {
671 if ((buf[c]>='0') && (buf[c]<='9')) {
678 if (a==5) vcard_set_prop(my_vcard, "tel;home", buf, 0);
679 if (a==6) vcard_set_prop(my_vcard, "email;internet", buf, 0);
680 if (a==7) strcpy(tmpcountry, buf);
684 snprintf(tmpaddress, sizeof tmpaddress, ";;%s;%s;%s;%s;%s",
685 tmpaddr, tmpcity, tmpstate, tmpzip, tmpcountry);
686 vcard_set_prop(my_vcard, "adr", tmpaddress, 0);
687 vcard_write_user(&CC->user, my_vcard);
688 vcard_free(my_vcard);
693 * Protocol command to fetch registration info for a user
695 void cmd_greg(char *argbuf)
697 struct ctdluser usbuf;
700 char who[USERNAME_SIZE];
704 extract_token(who, argbuf, 0, '|', sizeof who);
706 if (!(CC->logged_in)) {
707 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
711 if (!strcasecmp(who,"_SELF_")) strcpy(who,CC->curr_user);
713 if ((CC->user.axlevel < 6) && (strcasecmp(who,CC->curr_user))) {
714 cprintf("%d Higher access required.\n",
715 ERROR + HIGHER_ACCESS_REQUIRED);
719 if (getuser(&usbuf, who) != 0) {
720 cprintf("%d '%s' not found.\n", ERROR + NO_SUCH_USER, who);
724 v = vcard_get_user(&usbuf);
726 cprintf("%d %s\n", LISTING_FOLLOWS, usbuf.fullname);
727 cprintf("%ld\n", usbuf.usernum);
728 cprintf("%s\n", usbuf.password);
729 s = vcard_get_prop(v, "n", 0, 0, 0);
730 cprintf("%s\n", s ? s : " "); /* name */
732 s = vcard_get_prop(v, "adr", 0, 0, 0);
733 snprintf(adr, sizeof adr, "%s", s ? s : " ");/* address... */
735 extract_token(buf, adr, 2, ';', sizeof buf);
736 cprintf("%s\n", buf); /* street */
737 extract_token(buf, adr, 3, ';', sizeof buf);
738 cprintf("%s\n", buf); /* city */
739 extract_token(buf, adr, 4, ';', sizeof buf);
740 cprintf("%s\n", buf); /* state */
741 extract_token(buf, adr, 5, ';', sizeof buf);
742 cprintf("%s\n", buf); /* zip */
744 s = vcard_get_prop(v, "tel;home", 0, 0, 0);
745 if (s == NULL) s = vcard_get_prop(v, "tel", 1, 0, 0);
753 cprintf("%d\n", usbuf.axlevel);
755 s = vcard_get_prop(v, "email;internet", 0, 0, 0);
756 cprintf("%s\n", s ? s : " ");
757 s = vcard_get_prop(v, "adr", 0, 0, 0);
758 snprintf(adr, sizeof adr, "%s", s ? s : " ");/* address... */
760 extract_token(buf, adr, 6, ';', sizeof buf);
761 cprintf("%s\n", buf); /* country */
768 * When a user is being created, create his/her vCard.
770 void vcard_newuser(struct ctdluser *usbuf) {
776 vcard_fn_to_n(vname, usbuf->fullname, sizeof vname);
777 lprintf(CTDL_DEBUG, "Converted <%s> to <%s>\n", usbuf->fullname, vname);
779 /* Create and save the vCard */
781 if (v == NULL) return;
782 sprintf(buf, "%s@%s", usbuf->fullname, config.c_fqdn);
783 for (i=0; i<strlen(buf); ++i) {
784 if (buf[i] == ' ') buf[i] = '_';
786 vcard_add_prop(v, "fn", usbuf->fullname);
787 vcard_add_prop(v, "n", vname);
788 vcard_add_prop(v, "adr", "adr:;;_;_;_;00000;__");
789 vcard_add_prop(v, "email;internet", buf);
790 vcard_write_user(usbuf, v);
796 * When a user is being deleted, we have to remove his/her vCard.
797 * This is accomplished by issuing a message with 'CANCEL' in the S (special)
798 * field, and the same Exclusive ID as the existing card.
800 void vcard_purge(struct ctdluser *usbuf) {
801 struct CtdlMessage *msg;
804 msg = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
805 if (msg == NULL) return;
806 memset(msg, 0, sizeof(struct CtdlMessage));
808 msg->cm_magic = CTDLMESSAGE_MAGIC;
809 msg->cm_anon_type = MES_NORMAL;
810 msg->cm_format_type = 0;
811 msg->cm_fields['A'] = strdup(usbuf->fullname);
812 msg->cm_fields['O'] = strdup(ADDRESS_BOOK_ROOM);
813 msg->cm_fields['N'] = strdup(NODENAME);
814 msg->cm_fields['M'] = strdup("Purge this vCard\n");
816 snprintf(buf, sizeof buf, VCARD_EXT_FORMAT,
817 msg->cm_fields['A'], NODENAME);
818 msg->cm_fields['E'] = strdup(buf);
820 msg->cm_fields['S'] = strdup("CANCEL");
822 CtdlSubmitMsg(msg, NULL, ADDRESS_BOOK_ROOM);
823 CtdlFreeMessage(msg);
828 * Grab vCard directory stuff out of incoming network messages
830 int vcard_extract_from_network(struct CtdlMessage *msg, char *target_room) {
834 if (msg == NULL) return(0);
836 if (strcasecmp(target_room, ADDRESS_BOOK_ROOM)) {
840 if (msg->cm_format_type != 4) return(0);
842 ptr = msg->cm_fields['M'];
843 if (ptr == NULL) return(0);
844 while (ptr != NULL) {
846 linelen = strcspn(ptr, "\n");
847 if (linelen == 0) return(0); /* end of headers */
849 if ( (!strncasecmp(ptr, "Content-type: text/x-vcard", 26))
850 || (!strncasecmp(ptr, "Content-type: text/vcard", 24)) ) {
851 /* It's a vCard. Add it to the directory. */
852 vcard_extract_internet_addresses(msg, CtdlDirectoryAddUser);
856 ptr = strchr((char *)ptr, '\n');
857 if (ptr != NULL) ++ptr;
866 * When a vCard is being removed from the Global Address Book room, remove it
867 * from the directory as well.
869 void vcard_delete_remove(char *room, long msgnum) {
870 struct CtdlMessage *msg;
874 if (msgnum <= 0L) return;
876 if (strcasecmp(room, ADDRESS_BOOK_ROOM)) {
880 msg = CtdlFetchMessage(msgnum, 1);
881 if (msg == NULL) return;
883 ptr = msg->cm_fields['M'];
884 if (ptr == NULL) goto EOH;
885 while (ptr != NULL) {
886 linelen = strcspn(ptr, "\n");
887 if (linelen == 0) goto EOH;
889 if ( (!strncasecmp(ptr, "Content-type: text/x-vcard", 26))
890 || (!strncasecmp(ptr, "Content-type: text/vcard", 24)) ) {
891 /* Bingo! A vCard is being deleted. */
892 vcard_extract_internet_addresses(msg, CtdlDirectoryDelUser);
894 ctdl_vcard_to_ldap(msg, V2L_DELETE);
897 ptr = strchr((char *)ptr, '\n');
898 if (ptr != NULL) ++ptr;
901 EOH: CtdlFreeMessage(msg);
907 * Get Valid Screen Names
909 void cmd_gvsn(char *argbuf)
911 if (CtdlAccessCheck(ac_logged_in)) return;
913 cprintf("%d valid screen names:\n", LISTING_FOLLOWS);
914 cprintf("%s\n", CC->user.fullname);
915 if ( (strlen(CC->cs_inet_fn) > 0) && (strcasecmp(CC->user.fullname, CC->cs_inet_fn)) ) {
916 cprintf("%s\n", CC->cs_inet_fn);
923 * Get Valid Email Addresses
925 void cmd_gvea(char *argbuf)
927 int num_secondary_emails = 0;
931 if (CtdlAccessCheck(ac_logged_in)) return;
933 cprintf("%d valid email addresses:\n", LISTING_FOLLOWS);
934 if (strlen(CC->cs_inet_email) > 0) {
935 cprintf("%s\n", CC->cs_inet_email);
937 if (strlen(CC->cs_inet_other_emails) > 0) {
938 num_secondary_emails = num_tokens(CC->cs_inet_other_emails, '|');
939 for (i=0; i<num_secondary_emails; ++i) {
940 extract_token(buf, CC->cs_inet_other_emails,i,'|',sizeof CC->cs_inet_other_emails);
941 cprintf("%s\n", buf);
951 * Callback function for cmd_dvca() that hunts for vCard content types
952 * and outputs any email addresses found within.
954 void dvca_mime_callback(char *name, char *filename, char *partnum, char *disp,
955 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
959 char displayname[256];
965 if ( (strcasecmp(cbtype, "text/vcard")) && (strcasecmp(cbtype, "text/x-vcard")) ) {
969 v = vcard_load(content);
970 if (v == NULL) return;
972 extract_friendly_name(displayname, sizeof displayname, v);
973 extract_inet_email_addrs(emailaddr, sizeof emailaddr, NULL, 0, v, 0);
975 displayname_len = strlen(displayname);
976 for (i=0; i<displayname_len; ++i) {
977 if (displayname[i] == '\"') displayname[i] = ' ';
978 if (displayname[i] == ';') displayname[i] = ',';
979 if (displayname[i] == ',') has_commas = 1;
981 striplt(displayname);
983 cprintf("%s%s%s <%s>\n",
984 (has_commas ? "\"" : ""),
986 (has_commas ? "\"" : ""),
995 * Back end callback function for cmd_dvca()
997 * It's basically just passed a list of message numbers, which we're going
998 * to fetch off the disk and then pass along to the MIME parser via another
999 * layer of callback...
1001 void dvca_callback(long msgnum, void *userdata) {
1002 struct CtdlMessage *msg = NULL;
1004 msg = CtdlFetchMessage(msgnum, 1);
1005 if (msg == NULL) return;
1006 mime_parser(msg->cm_fields['M'],
1008 *dvca_mime_callback, /* callback function */
1010 NULL, /* user data */
1013 CtdlFreeMessage(msg);
1018 * Dump VCard Addresses
1020 void cmd_dvca(char *argbuf)
1022 if (CtdlAccessCheck(ac_logged_in)) return;
1024 cprintf("%d addresses:\n", LISTING_FOLLOWS);
1025 CtdlForEachMessage(MSGS_ALL, 0, NULL, NULL, NULL, dvca_callback, NULL);
1033 void cmd_qdir(char *argbuf) {
1034 char citadel_addr[256];
1035 char internet_addr[256];
1037 if (CtdlAccessCheck(ac_logged_in)) return;
1039 extract_token(internet_addr, argbuf, 0, '|', sizeof internet_addr);
1041 if (CtdlDirectoryLookup(citadel_addr, internet_addr, sizeof citadel_addr) != 0) {
1042 cprintf("%d %s was not found.\n",
1043 ERROR + NO_SUCH_USER, internet_addr);
1047 cprintf("%d %s\n", CIT_OK, citadel_addr);
1051 * Query Directory, in fact an alias to match postfix tcp auth.
1053 void check_get(void) {
1054 char internet_addr[256];
1059 memset(cmdbuf, 0, sizeof cmdbuf); /* Clear it, just in case */
1060 if (client_getln(cmdbuf, sizeof cmdbuf) < 1) {
1061 lprintf(CTDL_CRIT, "Client disconnected: ending session.\n");
1065 lprintf(CTDL_INFO, ": %s\n", cmdbuf);
1066 while (strlen(cmdbuf) < 3) strcat(cmdbuf, " ");
1068 if (strcasecmp(cmdbuf, "GET "));
1070 struct recptypes *rcpt;
1071 char *argbuf = &cmdbuf[4];
1073 extract_token(internet_addr, argbuf, 0, '|', sizeof internet_addr);
1074 rcpt = validate_recipients(internet_addr);
1075 if ((rcpt != NULL)&&
1077 (*rcpt->recp_local != '\0')||
1078 (*rcpt->recp_room != '\0')||
1079 (*rcpt->recp_ignet != '\0')))
1082 cprintf("200 OK %s\n", internet_addr);
1083 lprintf(CTDL_INFO, "sending 200 OK for the room %s\n", rcpt->display_recp);
1087 cprintf("500 REJECT noone here by that name.\n");
1089 lprintf(CTDL_INFO, "sending 500 REJECT noone here by that name: %s\n", internet_addr);
1091 if (rcpt != NULL) free_recipients(rcpt);
1095 void check_get_greeting(void) {
1096 /* dummy function, we have no greeting in this verry simple protocol. */
1101 * We don't know if the Contacts room exists so we just create it at login
1103 void vcard_create_room(void)
1108 /* Create the calendar room if it doesn't already exist */
1109 create_room(USERCONTACTSROOM, 4, "", 0, 1, 0, VIEW_ADDRESSBOOK);
1111 /* Set expiration policy to manual; otherwise objects will be lost! */
1112 if (lgetroom(&qr, USERCONTACTSROOM)) {
1113 lprintf(CTDL_ERR, "Couldn't get the user CONTACTS room!\n");
1116 qr.QRep.expire_mode = EXPIRE_MANUAL;
1117 qr.QRdefaultview = VIEW_ADDRESSBOOK; /* 2 = address book view */
1120 /* Set the view to a calendar view */
1121 CtdlGetRelationship(&vbuf, &CC->user, &qr);
1122 vbuf.v_view = 2; /* 2 = address book view */
1123 CtdlSetRelationship(&vbuf, &CC->user, &qr);
1132 * When a user logs in...
1134 void vcard_session_login_hook(void) {
1135 struct vCard *v = NULL;
1137 v = vcard_get_user(&CC->user);
1138 extract_inet_email_addrs(CC->cs_inet_email, sizeof CC->cs_inet_email,
1139 CC->cs_inet_other_emails, sizeof CC->cs_inet_other_emails,
1141 extract_friendly_name(CC->cs_inet_fn, sizeof CC->cs_inet_fn, v);
1144 vcard_create_room();
1149 * Turn an arbitrary RFC822 address into a struct vCard for possible
1150 * inclusion into an address book.
1152 struct vCard *vcard_new_from_rfc822_addr(char *addr) {
1154 char user[256], node[256], name[256], email[256], n[256], uid[256];
1158 if (v == NULL) return(NULL);
1160 process_rfc822_addr(addr, user, node, name);
1161 vcard_set_prop(v, "fn", name, 0);
1163 vcard_fn_to_n(n, name, sizeof n);
1164 vcard_set_prop(v, "n", n, 0);
1166 snprintf(email, sizeof email, "%s@%s", user, node);
1167 vcard_set_prop(v, "email;internet", email, 0);
1169 snprintf(uid, sizeof uid, "collected: %s %s@%s", name, user, node);
1170 for (i=0; i<strlen(uid); ++i) {
1171 if (isspace(uid[i])) uid[i] = '_';
1172 uid[i] = tolower(uid[i]);
1174 vcard_set_prop(v, "UID", uid, 0);
1182 * This is called by store_harvested_addresses() to remove from the
1183 * list any addresses we already have in our address book.
1185 void strip_addresses_already_have(long msgnum, void *userdata) {
1186 char *collected_addresses;
1187 struct CtdlMessage *msg = NULL;
1191 char addr[256], user[256], node[256], name[256];
1193 collected_addresses = (char *)userdata;
1195 msg = CtdlFetchMessage(msgnum, 1);
1196 if (msg == NULL) return;
1197 v = vcard_load(msg->cm_fields['M']);
1198 CtdlFreeMessage(msg);
1201 while (value = vcard_get_prop(v, "email", 1, i++, 0), value != NULL) {
1203 for (j=0; j<num_tokens(collected_addresses, ','); ++j) {
1204 extract_token(addr, collected_addresses, j, ',', sizeof addr);
1206 /* Remove the address if we already have it! */
1207 process_rfc822_addr(addr, user, node, name);
1208 snprintf(addr, sizeof addr, "%s@%s", user, node);
1209 if (!strcasecmp(value, addr)) {
1210 remove_token(collected_addresses, j, ',');
1222 * Back end function for store_harvested_addresses()
1224 void store_this_ha(struct addresses_to_be_filed *aptr) {
1225 struct CtdlMessage *vmsg = NULL;
1226 long vmsgnum = (-1L);
1228 struct vCard *v = NULL;
1229 char recipient[256];
1232 /* First remove any addresses we already have in the address book */
1233 usergoto(aptr->roomname, 0, 0, NULL, NULL);
1234 CtdlForEachMessage(MSGS_ALL, 0, NULL, "^[Tt][Ee][Xx][Tt]/.*[Vv][Cc][Aa][Rr][Dd]$", NULL,
1235 strip_addresses_already_have, aptr->collected_addresses);
1237 if (strlen(aptr->collected_addresses) > 0)
1238 for (i=0; i<num_tokens(aptr->collected_addresses, ','); ++i) {
1240 /* Make a vCard out of each address */
1241 extract_token(recipient, aptr->collected_addresses, i, ',', sizeof recipient);
1243 v = vcard_new_from_rfc822_addr(recipient);
1245 vmsg = malloc(sizeof(struct CtdlMessage));
1246 memset(vmsg, 0, sizeof(struct CtdlMessage));
1247 vmsg->cm_magic = CTDLMESSAGE_MAGIC;
1248 vmsg->cm_anon_type = MES_NORMAL;
1249 vmsg->cm_format_type = FMT_RFC822;
1250 vmsg->cm_fields['A'] = strdup("Citadel");
1251 vmsg->cm_fields['E'] = strdup(vcard_get_prop(v, "UID", 0, 0, 0));
1252 ser = vcard_serialize(v);
1254 vmsg->cm_fields['M'] = malloc(strlen(ser) + 1024);
1255 sprintf(vmsg->cm_fields['M'],
1256 "Content-type: text/vcard"
1257 "\r\n\r\n%s\r\n", ser);
1262 lprintf(CTDL_DEBUG, "Adding contact: %s\n", recipient);
1263 vmsgnum = CtdlSubmitMsg(vmsg, NULL, aptr->roomname);
1264 CtdlFreeMessage(vmsg);
1268 free(aptr->roomname);
1269 free(aptr->collected_addresses);
1275 * When a user sends a message, we may harvest one or more email addresses
1276 * from the recipient list to be added to the user's address book. But we
1277 * want to do this asynchronously so it doesn't keep the user waiting.
1279 void store_harvested_addresses(void) {
1281 struct addresses_to_be_filed *aptr = NULL;
1283 if (atbf == NULL) return;
1285 begin_critical_section(S_ATBF);
1286 while (atbf != NULL) {
1289 end_critical_section(S_ATBF);
1290 store_this_ha(aptr);
1291 begin_critical_section(S_ATBF);
1293 end_critical_section(S_ATBF);
1298 * Function to output vCard data as plain text. Nobody uses MSG0 anymore, so
1299 * really this is just so we expose the vCard data to the full text indexer.
1301 void vcard_fixed_output(char *ptr, int len) {
1302 char *serialized_vcard;
1307 serialized_vcard = malloc(len + 1);
1308 safestrncpy(serialized_vcard, ptr, len+1);
1309 v = vcard_load(serialized_vcard);
1310 free(serialized_vcard);
1313 while (key = vcard_get_prop(v, "", 0, i, 1), key != NULL) {
1314 value = vcard_get_prop(v, "", 0, i++, 0);
1315 cprintf("%s\n", value);
1322 char *serv_postfix_tcpdict(void)
1324 CtdlRegisterServiceHook(config.c_pftcpdict_port, /* Postfix */
1334 char *serv_vcard_init(void)
1340 CtdlRegisterSessionHook(vcard_session_login_hook, EVT_LOGIN);
1341 CtdlRegisterMessageHook(vcard_upload_beforesave, EVT_BEFORESAVE);
1342 CtdlRegisterMessageHook(vcard_upload_aftersave, EVT_AFTERSAVE);
1343 CtdlRegisterDeleteHook(vcard_delete_remove);
1344 CtdlRegisterProtoHook(cmd_regi, "REGI", "Enter registration info");
1345 CtdlRegisterProtoHook(cmd_greg, "GREG", "Get registration info");
1346 CtdlRegisterProtoHook(cmd_igab, "IGAB",
1347 "Initialize Global Address Book");
1348 CtdlRegisterProtoHook(cmd_qdir, "QDIR", "Query Directory");
1349 CtdlRegisterProtoHook(cmd_gvsn, "GVSN", "Get Valid Screen Names");
1350 CtdlRegisterProtoHook(cmd_gvea, "GVEA", "Get Valid Email Addresses");
1351 CtdlRegisterProtoHook(cmd_dvca, "DVCA", "Dump VCard Addresses");
1352 CtdlRegisterUserHook(vcard_newuser, EVT_NEWUSER);
1353 CtdlRegisterUserHook(vcard_purge, EVT_PURGEUSER);
1354 CtdlRegisterNetprocHook(vcard_extract_from_network);
1355 CtdlRegisterSessionHook(store_harvested_addresses, EVT_TIMER);
1356 CtdlRegisterFixedOutputHook("text/x-vcard", vcard_fixed_output);
1357 CtdlRegisterFixedOutputHook("text/vcard", vcard_fixed_output);
1359 /* Create the Global ADdress Book room if necessary */
1360 create_room(ADDRESS_BOOK_ROOM, 3, "", 0, 1, 0, VIEW_ADDRESSBOOK);
1362 /* Set expiration policy to manual; otherwise objects will be lost! */
1363 if (!lgetroom(&qr, ADDRESS_BOOK_ROOM)) {
1364 qr.QRep.expire_mode = EXPIRE_MANUAL;
1365 qr.QRdefaultview = VIEW_ADDRESSBOOK; /* 2 = address book view */
1369 * Also make sure it has a netconfig file, so the networker runs
1370 * on this room even if we don't share it with any other nodes.
1371 * This allows the CANCEL messages (i.e. "Purge this vCard") to be
1374 assoc_file_name(filename, sizeof filename, &qr, ctdl_netcfg_dir);
1375 fp = fopen(filename, "a");
1376 if (fp != NULL) fclose(fp);
1377 chown(filename, CTDLUID, (-1));