citadel/serv_vcard.c

   1 /*
   2  * $Id$
   3  *
   4  * A server-side module for Citadel which supports address book information
   5  * using the standard vCard format.
   6  *
   7  * Copyright (c) 1999-2001 / released under the GNU General Public License
   8  */
   9
  10 /*
  11  * Where we keep messages containing the vCards that source our directory.  It
  12  * makes no sense to change this, because you'd have to change it on every
  13  * system on the network.  That would be stupid.
  14  */
  15 #define ADDRESS_BOOK_ROOM       "Global Address Book"
  16
  17 /*
  18  * Format of the "Extended ID" field of the message containing a user's
  19  * vCard.  Doesn't matter what it really looks like as long as it's both
  20  * unique and consistent (because we use it for replication checking to
  21  * delete the old vCard network-wide when the user enters a new one).
  22  */
  23 #define VCARD_EXT_FORMAT        "Citadel vCard: personal card for %s at %s"
  24
  25
  26 #include "sysdep.h"
  27 #include <stdlib.h>
  28 #include <unistd.h>
  29 #include <stdio.h>
  30 #include <fcntl.h>
  31 #include <signal.h>
  32 #include <pwd.h>
  33 #include <errno.h>
  34 #include <sys/types.h>
  35
  36 #if TIME_WITH_SYS_TIME
  37 # include <sys/time.h>
  38 # include <time.h>
  39 #else
  40 # if HAVE_SYS_TIME_H
  41 #  include <sys/time.h>
  42 # else
  43 #  include <time.h>
  44 # endif
  45 #endif
  46
  47 #include <sys/wait.h>
  48 #include <string.h>
  49 #include <limits.h>
  50 #include "citadel.h"
  51 #include "server.h"
  52 #include "sysdep_decls.h"
  53 #include "citserver.h"
  54 #include "support.h"
  55 #include "config.h"
  56 #include "control.h"
  57 #include "dynloader.h"
  58 #include "room_ops.h"
  59 #include "user_ops.h"
  60 #include "policy.h"
  61 #include "database.h"
  62 #include "msgbase.h"
  63 #include "internet_addressing.h"
  64 #include "tools.h"
  65 #include "vcard.h"
  66
  67 struct vcard_internal_info {
  68         long msgnum;
  69 };
  70
  71 /* Message number symbol used internally by these functions */
  72 unsigned long SYM_VCARD;
  73 #define VC ((struct vcard_internal_info *)CtdlGetUserData(SYM_VCARD))
  74
  75
  76 /*
  77  * Extract Internet e-mail addresses from a message containing a vCard, and
  78  * perform a callback for any found.
  79  */
  80 void vcard_extract_internet_addresses(struct CtdlMessage *msg,
  81                                 void (*callback)(char *, char *) ) {
  82         struct vCard *v;
  83         char *s;
  84         char *addr;
  85         char citadel_address[SIZ];
  86         int instance = 0;
  87         int found_something = 0;
  88
  89         if (msg->cm_fields['A'] == NULL) return;
  90         if (msg->cm_fields['N'] == NULL) return;
  91         sprintf(citadel_address, "%s @ %s",
  92                 msg->cm_fields['A'], msg->cm_fields['N']);
  93
  94         v = vcard_load(msg->cm_fields['M']);
  95         if (v == NULL) return;
  96
  97         /* Go through the vCard searching for *all* instances of
  98          * the "email;internet" key
  99          */
 100         do {
 101                 s = vcard_get_prop(v, "email;internet", 0, instance++);
 102                 if (s != NULL) {
 103                         addr = strdoop(s);
 104                         striplt(addr);
 105                         if (strlen(addr) > 0) {
 106                                 if (callback != NULL) {
 107                                         callback(addr, citadel_address);
 108                                 }
 109                         }
 110                         phree(addr);
 111                         found_something = 1;
 112                 }
 113                 else {
 114                         found_something = 0;
 115                 }
 116         } while(found_something);
 117
 118         vcard_free(v);
 119 }
 120
 121 /*
 122  * Back end function for cmd_igab()
 123  */
 124 void vcard_add_to_directory(long msgnum, void *data) {
 125         struct CtdlMessage *msg;
 126
 127         msg = CtdlFetchMessage(msgnum);
 128         if (msg != NULL) {
 129                 vcard_extract_internet_addresses(msg, CtdlDirectoryAddUser);
 130         }
 131
 132         CtdlFreeMessage(msg);
 133 }
 134
 135
 136 /*
 137  * Initialize Global Adress Book
 138  */
 139 void cmd_igab(char *argbuf) {
 140         char hold_rm[ROOMNAMELEN];
 141
 142         if (CtdlAccessCheck(ac_aide)) return;
 143
 144         strcpy(hold_rm, CC->quickroom.QRname);  /* save current room */
 145
 146         if (getroom(&CC->quickroom, ADDRESS_BOOK_ROOM) != 0) {
 147                 getroom(&CC->quickroom, hold_rm);
 148                 cprintf("%d cannot get address book room\n", ERROR);
 149                 return;
 150         }
 151
 152         /* Empty the existing database first.
 153          */
 154         CtdlDirectoryInit();
 155
 156         /* We want the last (and probably only) vcard in this room */
 157         CtdlForEachMessage(MSGS_ALL, 0, (-127), "text/x-vcard",
 158                 NULL, vcard_add_to_directory, NULL);
 159
 160         getroom(&CC->quickroom, hold_rm);       /* return to saved room */
 161         cprintf("%d Directory has been rebuilt.\n", OK);
 162 }
 163
 164
 165
 166
 167 /*
 168  * See if there is a valid Internet address in a vCard to use for outbound
 169  * Interet messages.  If there is, stick it in CC->cs_inet_email.
 170  */
 171 void vcard_populate_cs_inet_email(struct vCard *v) {
 172         char *s, *addr;
 173         int continue_searching = 1;
 174         int instance = 0;
 175
 176         /*
 177          * Clear whatever was in there previously.
 178          */
 179         if (CC->cs_inet_email != NULL) {
 180                 phree(CC->cs_inet_email);
 181                 CC->cs_inet_email = NULL;
 182         }
 183
 184         /* Go through the vCard searching for *all* instances of
 185          * the "email;internet" key
 186          */
 187         do {
 188                 s = vcard_get_prop(v, "email;internet", 0, instance++);
 189                 if (s != NULL) {
 190                         continue_searching = 1;
 191                         addr = strdoop(s);
 192                         striplt(addr);
 193                         if (strlen(addr) > 0) {
 194                                 if (IsDirectory(addr)) {
 195                                         continue_searching = 0;
 196                                         CC->cs_inet_email = strdoop(addr);
 197                                 }
 198                         }
 199                         phree(addr);
 200                 }
 201                 else {
 202                         continue_searching = 0;
 203                 }
 204         } while(continue_searching);
 205 }
 206
 207
 208
 209 /*
 210  * This handler detects whether the user is attempting to save a new
 211  * vCard as part of his/her personal configuration, and handles the replace
 212  * function accordingly (delete the user's existing vCard in the config room
 213  * and in the global address book).
 214  */
 215 int vcard_upload_beforesave(struct CtdlMessage *msg) {
 216         char *ptr;
 217         int linelen;
 218         char config_rm[ROOMNAMELEN];
 219         char buf[SIZ];
 220
 221         if (!CC->logged_in) return(0);  /* Only do this if logged in. */
 222
 223         /* If this isn't the configuration room, or if this isn't a MIME
 224          * message, don't bother.  (Check for NULL room first, otherwise
 225          * some messages will cause it to crash!!)
 226          */
 227         if (msg->cm_fields['O'] == NULL) return(0);
 228         if (strcasecmp(msg->cm_fields['O'], USERCONFIGROOM)) return(0);
 229         if (msg->cm_format_type != 4) return(0);
 230
 231         ptr = msg->cm_fields['M'];
 232         if (ptr == NULL) return(0);
 233         while (ptr != NULL) {
 234
 235                 linelen = strcspn(ptr, "\n");
 236                 if (linelen == 0) return(0);    /* end of headers */
 237
 238                 if (!strncasecmp(ptr, "Content-type: text/x-vcard", 26)) {
 239                         /* Bingo!  The user is uploading a new vCard, so
 240                          * delete the old one.
 241                          */
 242
 243                         /* Delete the user's old vCard.  This would probably
 244                          * get taken care of by the replication check, but we
 245                          * want to make sure there is absolutely only one
 246                          * vCard in the user's config room at all times.
 247                          *
 248                          * FIXME ... this needs to be tweaked to allow an admin
 249                          * to make changes to another user's vCard instead of
 250                          * assuming that it's always the user saving his own.
 251                          */
 252                         MailboxName(config_rm, &CC->usersupp, USERCONFIGROOM);
 253                         CtdlDeleteMessages(config_rm, 0L, "text/x-vcard");
 254
 255                         /* Set the Extended-ID to a standardized one so the
 256                          * replication always works correctly
 257                          */
 258                         if (msg->cm_fields['E'] != NULL)
 259                                 phree(msg->cm_fields['E']);
 260
 261                         sprintf(buf, VCARD_EXT_FORMAT,
 262                                 msg->cm_fields['A'], NODENAME);
 263                         msg->cm_fields['E'] = strdoop(buf);
 264
 265                         /* Now allow the save to complete. */
 266                         return(0);
 267                 }
 268
 269                 ptr = strchr((char *)ptr, '\n');
 270                 if (ptr != NULL) ++ptr;
 271         }
 272
 273         return(0);
 274 }
 275
 276
 277
 278 /*
 279  * This handler detects whether the user is attempting to save a new
 280  * vCard as part of his/her personal configuration, and handles the replace
 281  * function accordingly (copy the vCard from the config room to the global
 282  * address book).
 283  */
 284 int vcard_upload_aftersave(struct CtdlMessage *msg) {
 285         char *ptr;
 286         int linelen;
 287         long I;
 288         struct vCard *v;
 289
 290         if (!CC->logged_in) return(0);  /* Only do this if logged in. */
 291
 292         /* If this isn't the configuration room, or if this isn't a MIME
 293          * message, don't bother.
 294          */
 295         if (msg->cm_fields['O'] == NULL) return(0);
 296         if (strcasecmp(msg->cm_fields['O'], USERCONFIGROOM)) return(0);
 297         if (msg->cm_format_type != 4) return(0);
 298
 299         ptr = msg->cm_fields['M'];
 300         if (ptr == NULL) return(0);
 301         while (ptr != NULL) {
 302
 303                 linelen = strcspn(ptr, "\n");
 304                 if (linelen == 0) return(0);    /* end of headers */
 305
 306                 if (!strncasecmp(ptr, "Content-type: text/x-vcard", 26)) {
 307                         /* Bingo!  The user is uploading a new vCard, so
 308                          * copy it to the Global Address Book room.
 309                          */
 310
 311                         I = atol(msg->cm_fields['I']);
 312                         if (I < 0L) return(0);
 313
 314                         /* Put it in the Global Address Book room... */
 315                         CtdlSaveMsgPointerInRoom(ADDRESS_BOOK_ROOM, I,
 316                                 (SM_VERIFY_GOODNESS | SM_DO_REPL_CHECK) );
 317
 318                         /* ...and also in the directory database. */
 319                         vcard_add_to_directory(I, NULL);
 320
 321                         /* Store our Internet return address in memory */
 322                         v = vcard_load(msg->cm_fields['M']);
 323                         vcard_populate_cs_inet_email(v);
 324                         vcard_free(v);
 325
 326                         return(0);
 327                 }
 328
 329                 ptr = strchr((char *)ptr, '\n');
 330                 if (ptr != NULL) ++ptr;
 331         }
 332
 333         return(0);
 334 }
 335
 336
 337
 338 /*
 339  * back end function used for callbacks
 340  */
 341 void vcard_gu_backend(long msgnum, void *userdata) {
 342         VC->msgnum = msgnum;
 343 }
 344
 345
 346 /*
 347  * If this user has a vcard on disk, read it into memory, otherwise allocate
 348  * and return an empty vCard.
 349  */
 350 struct vCard *vcard_get_user(struct usersupp *u) {
 351         char hold_rm[ROOMNAMELEN];
 352         char config_rm[ROOMNAMELEN];
 353         struct CtdlMessage *msg;
 354         struct vCard *v;
 355
 356         strcpy(hold_rm, CC->quickroom.QRname);  /* save current room */
 357         MailboxName(config_rm, u, USERCONFIGROOM);
 358
 359         if (getroom(&CC->quickroom, config_rm) != 0) {
 360                 getroom(&CC->quickroom, hold_rm);
 361                 return vcard_new();
 362         }
 363
 364         /* We want the last (and probably only) vcard in this room */
 365         VC->msgnum = (-1);
 366         CtdlForEachMessage(MSGS_LAST, 1, (-127), "text/x-vcard",
 367                 NULL, vcard_gu_backend, NULL);
 368         getroom(&CC->quickroom, hold_rm);       /* return to saved room */
 369
 370         if (VC->msgnum < 0L) return vcard_new();
 371
 372         msg = CtdlFetchMessage(VC->msgnum);
 373         if (msg == NULL) return vcard_new();
 374
 375         v = vcard_load(msg->cm_fields['M']);
 376         CtdlFreeMessage(msg);
 377         return v;
 378 }
 379
 380
 381 /*
 382  * Store this user's vCard in the appropriate place
 383  */
 384 /*
 385  * Write our config to disk
 386  */
 387 void vcard_write_user(struct usersupp *u, struct vCard *v) {
 388         char temp[PATH_MAX];
 389         FILE *fp;
 390         char *ser;
 391
 392         strcpy(temp, tmpnam(NULL));
 393         ser = vcard_serialize(v);
 394
 395         fp = fopen(temp, "w");
 396         if (fp == NULL) return;
 397         if (ser == NULL) {
 398                 fprintf(fp, "begin:vcard\r\nend:vcard\r\n");
 399         } else {
 400                 fwrite(ser, strlen(ser), 1, fp);
 401                 phree(ser);
 402         }
 403         fclose(fp);
 404
 405         /* This handy API function does all the work for us.
 406          * NOTE: normally we would want to set that last argument to 1, to
 407          * force the system to delete the user's old vCard.  But it doesn't
 408          * have to, because the vcard_upload_beforesave() hook above
 409          * is going to notice what we're trying to do, and delete the old vCard.
 410          */
 411         CtdlWriteObject(USERCONFIGROOM, /* which room */
 412                         "text/x-vcard", /* MIME type */
 413                         temp,           /* temp file */
 414                         u,              /* which user */
 415                         0,              /* not binary */
 416                         0,              /* don't delete others of this type */
 417                         0);             /* no flags */
 418
 419         unlink(temp);
 420 }
 421
 422
 423
 424 /*
 425  * Old style "enter registration info" command.  This function simply honors
 426  * the REGI protocol command, translates the entered parameters into a vCard,
 427  * and enters the vCard into the user's configuration.
 428  */
 429 void cmd_regi(char *argbuf) {
 430         int a,b,c;
 431         char buf[SIZ];
 432         struct vCard *my_vcard;
 433
 434         char tmpaddr[SIZ];
 435         char tmpcity[SIZ];
 436         char tmpstate[SIZ];
 437         char tmpzip[SIZ];
 438         char tmpaddress[SIZ];
 439         char tmpcountry[SIZ];
 440
 441         if (!(CC->logged_in)) {
 442                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 443                 return;
 444         }
 445
 446         my_vcard = vcard_get_user(&CC->usersupp);
 447         strcpy(tmpaddr, "");
 448         strcpy(tmpcity, "");
 449         strcpy(tmpstate, "");
 450         strcpy(tmpzip, "");
 451         strcpy(tmpcountry, "USA");
 452
 453         cprintf("%d Send registration...\n", SEND_LISTING);
 454         a=0;
 455         while (client_gets(buf), strcmp(buf,"000")) {
 456                 if (a==0) vcard_set_prop(my_vcard, "n", buf, 0);
 457                 if (a==1) strcpy(tmpaddr, buf);
 458                 if (a==2) strcpy(tmpcity, buf);
 459                 if (a==3) strcpy(tmpstate, buf);
 460                 if (a==4) {
 461                         for (c=0; c<strlen(buf); ++c) {
 462                                 if ((buf[c]>='0') && (buf[c]<='9')) {
 463                                         b = strlen(tmpzip);
 464                                         tmpzip[b] = buf[c];
 465                                         tmpzip[b+1] = 0;
 466                                 }
 467                         }
 468                 }
 469                 if (a==5) vcard_set_prop(my_vcard, "tel;home", buf, 0);
 470                 if (a==6) vcard_set_prop(my_vcard, "email;internet", buf, 0);
 471                 if (a==7) strcpy(tmpcountry, buf);
 472                 ++a;
 473         }
 474
 475         sprintf(tmpaddress, ";;%s;%s;%s;%s;%s",
 476                 tmpaddr, tmpcity, tmpstate, tmpzip, tmpcountry);
 477         vcard_set_prop(my_vcard, "adr", tmpaddress, 0);
 478         vcard_write_user(&CC->usersupp, my_vcard);
 479         vcard_free(my_vcard);
 480
 481         lgetuser(&CC->usersupp, CC->curr_user);
 482         CC->usersupp.flags=(CC->usersupp.flags|US_REGIS|US_NEEDVALID);
 483         lputuser(&CC->usersupp);
 484
 485         /* set global flag calling for validation */
 486         begin_critical_section(S_CONTROL);
 487         get_control();
 488         CitControl.MMflags = CitControl.MMflags | MM_VALID ;
 489         put_control();
 490         end_critical_section(S_CONTROL);
 491 }
 492
 493
 494
 495 /*
 496  * Protocol command to fetch registration info for a user
 497  */
 498 void cmd_greg(char *argbuf)
 499 {
 500         struct usersupp usbuf;
 501         struct vCard *v;
 502         char *s;
 503         char who[SIZ];
 504         char adr[SIZ];
 505         char buf[SIZ];
 506
 507         extract(who, argbuf, 0);
 508
 509         if (!(CC->logged_in)) {
 510                 cprintf("%d Not logged in.\n", ERROR+NOT_LOGGED_IN);
 511                 return;
 512         }
 513
 514         if (!strcasecmp(who,"_SELF_")) strcpy(who,CC->curr_user);
 515
 516         if ((CC->usersupp.axlevel < 6) && (strcasecmp(who,CC->curr_user))) {
 517                 cprintf("%d Higher access required.\n",
 518                         ERROR+HIGHER_ACCESS_REQUIRED);
 519                 return;
 520         }
 521
 522         if (getuser(&usbuf, who) != 0) {
 523                 cprintf("%d '%s' not found.\n", ERROR+NO_SUCH_USER, who);
 524                 return;
 525         }
 526
 527         v = vcard_get_user(&usbuf);
 528
 529         cprintf("%d %s\n", LISTING_FOLLOWS, usbuf.fullname);
 530         cprintf("%ld\n", usbuf.usernum);
 531         cprintf("%s\n", usbuf.password);
 532         s = vcard_get_prop(v, "n", 0, 0);
 533         cprintf("%s\n", s ? s : " ");   /* name */
 534
 535         s = vcard_get_prop(v, "adr", 0, 0);
 536         sprintf(adr, "%s", s ? s : " ");/* address... */
 537
 538         extract_token(buf, adr, 2, ';');
 539         cprintf("%s\n", buf);                           /* street */
 540         extract_token(buf, adr, 3, ';');
 541         cprintf("%s\n", buf);                           /* city */
 542         extract_token(buf, adr, 4, ';');
 543         cprintf("%s\n", buf);                           /* state */
 544         extract_token(buf, adr, 5, ';');
 545         cprintf("%s\n", buf);                           /* zip */
 546
 547         s = vcard_get_prop(v, "tel;home", 0, 0);
 548         if (s == NULL) s = vcard_get_prop(v, "tel", 1, 0);
 549         if (s != NULL) {
 550                 cprintf("%s\n", s);
 551         }
 552         else {
 553                 cprintf(" \n");
 554         }
 555
 556         cprintf("%d\n", usbuf.axlevel);
 557
 558         s = vcard_get_prop(v, "email;internet", 0, 0);
 559         cprintf("%s\n", s ? s : " ");
 560         s = vcard_get_prop(v, "adr", 0, 0);
 561         sprintf(adr, "%s", s ? s : " ");/* address... */
 562
 563         extract_token(buf, adr, 6, ';');
 564         cprintf("%s\n", buf);                           /* country */
 565         cprintf("000\n");
 566 }
 567
 568
 569 /*
 570  * When a user is being deleted, we have to remove his/her vCard.
 571  * This is accomplished by issuing a message with 'CANCEL' in the S (special)
 572  * field, and the same Extended ID as the existing card.
 573  */
 574 void vcard_purge(char *username, long usernum) {
 575         struct CtdlMessage *msg;
 576         char buf[SIZ];
 577
 578         msg = (struct CtdlMessage *) mallok(sizeof(struct CtdlMessage));
 579         if (msg == NULL) return;
 580         memset(msg, 0, sizeof(struct CtdlMessage));
 581
 582         msg->cm_magic = CTDLMESSAGE_MAGIC;
 583         msg->cm_anon_type = MES_NORMAL;
 584         msg->cm_format_type = 0;
 585         msg->cm_fields['A'] = strdoop(username);
 586         msg->cm_fields['O'] = strdoop(ADDRESS_BOOK_ROOM);
 587         msg->cm_fields['N'] = strdoop(NODENAME);
 588         msg->cm_fields['M'] = strdoop("Purge this vCard\n");
 589
 590         sprintf(buf, VCARD_EXT_FORMAT, msg->cm_fields['A'], NODENAME);
 591         msg->cm_fields['E'] = strdoop(buf);
 592
 593         msg->cm_fields['S'] = strdoop("CANCEL");
 594
 595         CtdlSubmitMsg(msg, NULL, ADDRESS_BOOK_ROOM);
 596         CtdlFreeMessage(msg);
 597 }
 598
 599
 600 /*
 601  * Grab vCard directory stuff out of incoming network messages
 602  */
 603 int vcard_extract_from_network(struct CtdlMessage *msg, char *target_room) {
 604         char *ptr;
 605         int linelen;
 606
 607         if (msg == NULL) return(0);
 608
 609         if (strcasecmp(target_room, ADDRESS_BOOK_ROOM)) {
 610                 return(0);
 611         }
 612
 613         if (msg->cm_format_type != 4) return(0);
 614
 615         ptr = msg->cm_fields['M'];
 616         if (ptr == NULL) return(0);
 617         while (ptr != NULL) {
 618
 619                 linelen = strcspn(ptr, "\n");
 620                 if (linelen == 0) return(0);    /* end of headers */
 621
 622                 if (!strncasecmp(ptr, "Content-type: text/x-vcard", 26)) {
 623                          /* It's a vCard.  Add it to the directory. */
 624                         vcard_extract_internet_addresses(msg,
 625                                                         CtdlDirectoryAddUser);
 626                         return(0);
 627                 }
 628
 629                 ptr = strchr((char *)ptr, '\n');
 630                 if (ptr != NULL) ++ptr;
 631         }
 632
 633         return(0);
 634 }
 635
 636
 637
 638 /*
 639  * When a vCard is being removed from the Global Address Book room, remove it
 640  * from the directory as well.
 641  */
 642 void vcard_delete_remove(char *room, long msgnum) {
 643         struct CtdlMessage *msg;
 644
 645         if (msgnum <= 0L) return;
 646
 647         if (strcasecmp(room, ADDRESS_BOOK_ROOM)) {
 648                 return;
 649         }
 650
 651         msg = CtdlFetchMessage(msgnum);
 652         if (msg != NULL) {
 653                 vcard_extract_internet_addresses(msg, CtdlDirectoryDelUser);
 654         }
 655
 656         CtdlFreeMessage(msg);
 657 }
 658
 659
 660 /*
 661  * Query Directory
 662  */
 663 void cmd_qdir(char *argbuf) {
 664         char citadel_addr[SIZ];
 665         char internet_addr[SIZ];
 666
 667         if (CtdlAccessCheck(ac_logged_in)) return;
 668
 669         extract(internet_addr, argbuf, 0);
 670
 671         if (CtdlDirectoryLookup(citadel_addr, internet_addr) != 0) {
 672                 cprintf("%d %s was not found.\n",
 673                         ERROR+NO_SUCH_USER, internet_addr);
 674                 return;
 675         }
 676
 677         cprintf("%d %s\n", OK, citadel_addr);
 678 }
 679
 680
 681
 682
 683 /*
 684  * Session startup, allocate some per-session data
 685  */
 686 void vcard_session_startup_hook(void) {
 687         CtdlAllocUserData(SYM_VCARD, sizeof(struct vcard_internal_info));
 688 }
 689
 690
 691 /*
 692  * When a user logs in...
 693  */
 694 void vcard_session_login_hook(void) {
 695         struct vCard *v;
 696
 697         v = vcard_get_user(&CC->usersupp);
 698         vcard_populate_cs_inet_email(v);
 699
 700         vcard_free(v);
 701 }
 702
 703
 704 /*
 705  * When a user logs out...
 706  */
 707 void vcard_session_logout_hook(void) {
 708         if (CC->cs_inet_email != NULL) {
 709                 phree(CC->cs_inet_email);
 710                 CC->cs_inet_email = NULL;
 711         }
 712 }
 713
 714
 715 char *Dynamic_Module_Init(void)
 716 {
 717         SYM_VCARD = CtdlGetDynamicSymbol();
 718         CtdlRegisterSessionHook(vcard_session_startup_hook, EVT_START);
 719         CtdlRegisterSessionHook(vcard_session_login_hook, EVT_LOGIN);
 720         CtdlRegisterSessionHook(vcard_session_logout_hook, EVT_LOGOUT);
 721         CtdlRegisterMessageHook(vcard_upload_beforesave, EVT_BEFORESAVE);
 722         CtdlRegisterMessageHook(vcard_upload_aftersave, EVT_AFTERSAVE);
 723         CtdlRegisterDeleteHook(vcard_delete_remove);
 724         CtdlRegisterProtoHook(cmd_regi, "REGI", "Enter registration info");
 725         CtdlRegisterProtoHook(cmd_greg, "GREG", "Get registration info");
 726         CtdlRegisterProtoHook(cmd_igab, "IGAB",
 727                                         "Initialize Global Address Book");
 728         CtdlRegisterProtoHook(cmd_qdir, "QDIR", "Query Directory");
 729         CtdlRegisterUserHook(vcard_purge, EVT_PURGEUSER);
 730         CtdlRegisterNetprocHook(vcard_extract_from_network);
 731         create_room(ADDRESS_BOOK_ROOM, 3, "", 0, 1);
 732         return "$Id$";
 733 }