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) 1999-2002 / 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 "serv_extensions.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 #include "serv_ldap.h"
  67
  68 struct vcard_internal_info {
  69         long msgnum;
  70 };
  71
  72 /* Message number symbol used internally by these functions */
  73 #define VC ((struct vcard_internal_info *)CtdlGetUserData(SYM_VCARD))
  74
  75
  76 /*
  77  * set global flag calling for an aide to validate new users
  78  */
  79 void set_mm_valid(void) {
  80         begin_critical_section(S_CONTROL);
  81         get_control();
  82         CitControl.MMflags = CitControl.MMflags | MM_VALID ;
  83         put_control();
  84         end_critical_section(S_CONTROL);
  85 }
  86
  87
  88
  89 /*
  90  * Extract Internet e-mail addresses from a message containing a vCard, and
  91  * perform a callback for any found.
  92  */
  93 void vcard_extract_internet_addresses(struct CtdlMessage *msg,
  94                                 void (*callback)(char *, char *) ) {
  95         struct vCard *v;
  96         char *s;
  97         char *addr;
  98         char citadel_address[SIZ];
  99         int instance = 0;
 100         int found_something = 0;
 101
 102         if (msg->cm_fields['A'] == NULL) return;
 103         if (msg->cm_fields['N'] == NULL) return;
 104         snprintf(citadel_address, sizeof citadel_address, "%s @ %s",
 105                 msg->cm_fields['A'], msg->cm_fields['N']);
 106
 107         v = vcard_load(msg->cm_fields['M']);
 108         if (v == NULL) return;
 109
 110         /* Go through the vCard searching for *all* instances of
 111          * the "email;internet" key
 112          */
 113         do {
 114                 s = vcard_get_prop(v, "email;internet", 0, instance++, 0);
 115                 if (s != NULL) {
 116                         addr = strdoop(s);
 117                         striplt(addr);
 118                         if (strlen(addr) > 0) {
 119                                 if (callback != NULL) {
 120                                         callback(addr, citadel_address);
 121                                 }
 122                         }
 123                         phree(addr);
 124                         found_something = 1;
 125                 }
 126                 else {
 127                         found_something = 0;
 128                 }
 129         } while(found_something);
 130
 131         vcard_free(v);
 132 }
 133
 134
 135
 136 /*
 137  * Callback for vcard_add_to_directory()
 138  * (Lotsa ugly nested callbacks.  Oh well.)
 139  * This little shim function makes sure we're not
 140  */
 141 void vcard_directory_add_user(char *internet_addr, char *citadel_addr) {
 142         char buf[SIZ];
 143
 144         /* We have to validate that we're not stepping on someone else's
 145          * email address ... but only if we're logged in.  Otherwise it's
 146          * probably just the networker or something.
 147          */
 148         if (CC->logged_in) {
 149                 lprintf(CTDL_DEBUG, "Checking for <%s>...\n", internet_addr);
 150                 if (CtdlDirectoryLookup(buf, internet_addr) == 0) {
 151                         if (strcasecmp(buf, citadel_addr)) {
 152                                 /* This address belongs to someone else.
 153                                  * Bail out silently without saving.
 154                                  */
 155                                 lprintf(CTDL_DEBUG, "DOOP!\n");
 156                                 return;
 157                         }
 158                 }
 159         }
 160         lprintf(CTDL_INFO, "Adding %s (%s) to directory\n",
 161                         citadel_addr, internet_addr);
 162         CtdlDirectoryAddUser(internet_addr, citadel_addr);
 163 }
 164
 165
 166 /*
 167  * Back end function for cmd_igab()
 168  */
 169 void vcard_add_to_directory(long msgnum, void *data) {
 170         struct CtdlMessage *msg;
 171
 172         msg = CtdlFetchMessage(msgnum);
 173         if (msg != NULL) {
 174                 vcard_extract_internet_addresses(msg, vcard_directory_add_user);
 175         }
 176
 177 #ifdef HAVE_LDAP
 178         ctdl_vcard_to_ldap(msg, V2L_WRITE);
 179 #endif
 180
 181         CtdlFreeMessage(msg);
 182 }
 183
 184
 185 /*
 186  * Initialize Global Adress Book
 187  */
 188 void cmd_igab(char *argbuf) {
 189         char hold_rm[ROOMNAMELEN];
 190
 191         if (CtdlAccessCheck(ac_aide)) return;
 192
 193         strcpy(hold_rm, CC->room.QRname);       /* save current room */
 194
 195         if (getroom(&CC->room, ADDRESS_BOOK_ROOM) != 0) {
 196                 getroom(&CC->room, hold_rm);
 197                 cprintf("%d cannot get address book room\n", ERROR + ROOM_NOT_FOUND);
 198                 return;
 199         }
 200
 201         /* Empty the existing database first.
 202          */
 203         CtdlDirectoryInit();
 204
 205         /* We want *all* vCards in this room */
 206         CtdlForEachMessage(MSGS_ALL, 0, "text/x-vcard",
 207                 NULL, vcard_add_to_directory, NULL);
 208
 209         getroom(&CC->room, hold_rm);    /* return to saved room */
 210         cprintf("%d Directory has been rebuilt.\n", CIT_OK);
 211 }
 212
 213
 214
 215
 216 /*
 217  * See if there is a valid Internet address in a vCard to use for outbound
 218  * Internet messages.  If there is, stick it in CC->cs_inet_email.
 219  */
 220 void vcard_populate_cs_inet_email(struct vCard *v) {
 221         char *s, *addr;
 222         int continue_searching = 1;
 223         int instance = 0;
 224
 225         /* Go through the vCard searching for *all* instances of
 226          * the "email;internet" key
 227          */
 228         do {
 229                 s = vcard_get_prop(v, "email;internet", 0, instance++, 0);
 230                 if (s != NULL) {
 231                         continue_searching = 1;
 232                         addr = strdoop(s);
 233                         striplt(addr);
 234                         if (strlen(addr) > 0) {
 235                                 if (IsDirectory(addr)) {
 236                                         continue_searching = 0;
 237                                         safestrncpy(CC->cs_inet_email,
 238                                                 addr,
 239                                                 sizeof(CC->cs_inet_email)
 240                                         );
 241                                 }
 242                         }
 243                         phree(addr);
 244                 }
 245                 else {
 246                         continue_searching = 0;
 247                 }
 248         } while(continue_searching);
 249 }
 250
 251
 252
 253 /*
 254  * This handler detects whether the user is attempting to save a new
 255  * vCard as part of his/her personal configuration, and handles the replace
 256  * function accordingly (delete the user's existing vCard in the config room
 257  * and in the global address book).
 258  */
 259 int vcard_upload_beforesave(struct CtdlMessage *msg) {
 260         char *ptr;
 261         int linelen;
 262         char buf[SIZ];
 263         struct ctdluser usbuf;
 264         long what_user;
 265
 266         if (!CC->logged_in) return(0);  /* Only do this if logged in. */
 267
 268         /* If this isn't a "My Citadel Config" room, don't bother. */
 269         if ( (CC->room.QRflags && QR_MAILBOX)
 270            && (!strcasecmp(&CC->room.QRname[11], USERCONFIGROOM)) ) {
 271                 /* Yes, we want to do this */
 272         }
 273         else {
 274                 return(0);
 275         }
 276
 277         /* If this isn't a MIME message, don't bother. */
 278         if (msg->cm_format_type != 4) return(0);
 279
 280         /* Ok, if we got this far, look into the situation further... */
 281
 282         ptr = msg->cm_fields['M'];
 283         if (ptr == NULL) return(0);
 284         while (ptr != NULL) {
 285
 286                 linelen = strcspn(ptr, "\n");
 287                 if (linelen == 0) return(0);    /* end of headers */
 288
 289                 if (!strncasecmp(ptr, "Content-type: text/x-vcard", 26)) {
 290                         /* Bingo!  The user is uploading a new vCard, so
 291                          * delete the old one.  First, figure out which user
 292                          * is being re-registered...
 293                          */
 294                         what_user = atol(CC->room.QRname);
 295
 296                         if (what_user == CC->user.usernum) {
 297                                 /* It's the logged in user.  That was easy. */
 298                                 memcpy(&usbuf, &CC->user,
 299                                         sizeof(struct ctdluser) );
 300                         }
 301
 302                         else if (getuserbynumber(&usbuf, what_user) == 0) {
 303                                 /* We fetched a valid user record */
 304                         }
 305
 306                         else {
 307                                 /* No user with that number! */
 308                                 return(0);
 309                         }
 310
 311                         /* Delete the user's old vCard.  This would probably
 312                          * get taken care of by the replication check, but we
 313                          * want to make sure there is absolutely only one
 314                          * vCard in the user's config room at all times.
 315                          */
 316                         CtdlDeleteMessages(CC->room.QRname,
 317                                         0L, "text/x-vcard");
 318
 319                         /* Set the Extended-ID to a standardized one so the
 320                          * replication always works correctly
 321                          */
 322                         if (msg->cm_fields['E'] != NULL)
 323                                 phree(msg->cm_fields['E']);
 324
 325                         if (msg->cm_fields['A'] != NULL)
 326                                 phree(msg->cm_fields['A']);
 327
 328                         msg->cm_fields['A'] = strdoop(usbuf.fullname);
 329
 330                         snprintf(buf, sizeof buf, VCARD_EXT_FORMAT,
 331                                 msg->cm_fields['A'], NODENAME);
 332                         msg->cm_fields['E'] = strdoop(buf);
 333
 334                         /* Now allow the save to complete. */
 335                         return(0);
 336                 }
 337
 338                 ptr = strchr((char *)ptr, '\n');
 339                 if (ptr != NULL) ++ptr;
 340         }
 341
 342         return(0);
 343 }
 344
 345
 346
 347 /*
 348  * This handler detects whether the user is attempting to save a new
 349  * vCard as part of his/her personal configuration, and handles the replace
 350  * function accordingly (copy the vCard from the config room to the global
 351  * address book).
 352  */
 353 int vcard_upload_aftersave(struct CtdlMessage *msg) {
 354         char *ptr;
 355         int linelen;
 356         long I;
 357         struct vCard *v;
 358
 359         if (!CC->logged_in) return(0);  /* Only do this if logged in. */
 360
 361         /* If this isn't the configuration room, or if this isn't a MIME
 362          * message, don't bother.
 363          */
 364         if (msg->cm_fields['O'] == NULL) return(0);
 365         if (strcasecmp(msg->cm_fields['O'], USERCONFIGROOM)) return(0);
 366         if (msg->cm_format_type != 4) return(0);
 367
 368         ptr = msg->cm_fields['M'];
 369         if (ptr == NULL) return(0);
 370         while (ptr != NULL) {
 371
 372                 linelen = strcspn(ptr, "\n");
 373                 if (linelen == 0) return(0);    /* end of headers */
 374
 375                 if (!strncasecmp(ptr, "Content-type: text/x-vcard", 26)) {
 376                         /* Bingo!  The user is uploading a new vCard, so
 377                          * copy it to the Global Address Book room.
 378                          */
 379
 380                         I = atol(msg->cm_fields['I']);
 381                         if (I < 0L) return(0);
 382
 383                         /* Put it in the Global Address Book room... */
 384                         CtdlSaveMsgPointerInRoom(ADDRESS_BOOK_ROOM, I,
 385                                 (SM_VERIFY_GOODNESS | SM_DO_REPL_CHECK) );
 386
 387                         /* ...and also in the directory database. */
 388                         vcard_add_to_directory(I, NULL);
 389
 390                         /* Store our Internet return address in memory */
 391                         v = vcard_load(msg->cm_fields['M']);
 392                         vcard_populate_cs_inet_email(v);
 393                         vcard_free(v);
 394
 395                         /* Some sites want an Aide to be notified when a
 396                          * user registers or re-registers...
 397                          */
 398                         set_mm_valid();
 399
 400                         /* ...which also means we need to flag the user */
 401                         lgetuser(&CC->user, CC->curr_user);
 402                         CC->user.flags |= (US_REGIS|US_NEEDVALID);
 403                         lputuser(&CC->user);
 404
 405                         return(0);
 406                 }
 407
 408                 ptr = strchr((char *)ptr, '\n');
 409                 if (ptr != NULL) ++ptr;
 410         }
 411
 412         return(0);
 413 }
 414
 415
 416
 417 /*
 418  * back end function used for callbacks
 419  */
 420 void vcard_gu_backend(long msgnum, void *userdata) {
 421         VC->msgnum = msgnum;
 422 }
 423
 424
 425 /*
 426  * If this user has a vcard on disk, read it into memory, otherwise allocate
 427  * and return an empty vCard.
 428  */
 429 struct vCard *vcard_get_user(struct ctdluser *u) {
 430         char hold_rm[ROOMNAMELEN];
 431         char config_rm[ROOMNAMELEN];
 432         struct CtdlMessage *msg;
 433         struct vCard *v;
 434
 435         strcpy(hold_rm, CC->room.QRname);       /* save current room */
 436         MailboxName(config_rm, sizeof config_rm, u, USERCONFIGROOM);
 437
 438         if (getroom(&CC->room, config_rm) != 0) {
 439                 getroom(&CC->room, hold_rm);
 440                 return vcard_new();
 441         }
 442
 443         /* We want the last (and probably only) vcard in this room */
 444         VC->msgnum = (-1);
 445         CtdlForEachMessage(MSGS_LAST, 1, "text/x-vcard",
 446                 NULL, vcard_gu_backend, NULL);
 447         getroom(&CC->room, hold_rm);    /* return to saved room */
 448
 449         if (VC->msgnum < 0L) return vcard_new();
 450
 451         msg = CtdlFetchMessage(VC->msgnum);
 452         if (msg == NULL) return vcard_new();
 453
 454         v = vcard_load(msg->cm_fields['M']);
 455         CtdlFreeMessage(msg);
 456         return v;
 457 }
 458
 459
 460 /*
 461  * Store this user's vCard in the appropriate place
 462  */
 463 /*
 464  * Write our config to disk
 465  */
 466 void vcard_write_user(struct ctdluser *u, struct vCard *v) {
 467         char temp[PATH_MAX];
 468         FILE *fp;
 469         char *ser;
 470
 471         strcpy(temp, tmpnam(NULL));
 472         ser = vcard_serialize(v);
 473
 474         fp = fopen(temp, "w");
 475         if (fp == NULL) return;
 476         if (ser == NULL) {
 477                 fprintf(fp, "begin:vcard\r\nend:vcard\r\n");
 478         } else {
 479                 fwrite(ser, strlen(ser), 1, fp);
 480                 phree(ser);
 481         }
 482         fclose(fp);
 483
 484         /* This handy API function does all the work for us.
 485          * NOTE: normally we would want to set that last argument to 1, to
 486          * force the system to delete the user's old vCard.  But it doesn't
 487          * have to, because the vcard_upload_beforesave() hook above
 488          * is going to notice what we're trying to do, and delete the old vCard.
 489          */
 490         CtdlWriteObject(USERCONFIGROOM, /* which room */
 491                         "text/x-vcard", /* MIME type */
 492                         temp,           /* temp file */
 493                         u,              /* which user */
 494                         0,              /* not binary */
 495                         0,              /* don't delete others of this type */
 496                         0);             /* no flags */
 497
 498         unlink(temp);
 499 }
 500
 501
 502
 503 /*
 504  * Old style "enter registration info" command.  This function simply honors
 505  * the REGI protocol command, translates the entered parameters into a vCard,
 506  * and enters the vCard into the user's configuration.
 507  */
 508 void cmd_regi(char *argbuf) {
 509         int a,b,c;
 510         char buf[SIZ];
 511         struct vCard *my_vcard;
 512
 513         char tmpaddr[SIZ];
 514         char tmpcity[SIZ];
 515         char tmpstate[SIZ];
 516         char tmpzip[SIZ];
 517         char tmpaddress[SIZ];
 518         char tmpcountry[SIZ];
 519
 520         if (!(CC->logged_in)) {
 521                 cprintf("%d Not logged in.\n",ERROR + NOT_LOGGED_IN);
 522                 return;
 523         }
 524
 525         my_vcard = vcard_get_user(&CC->user);
 526         strcpy(tmpaddr, "");
 527         strcpy(tmpcity, "");
 528         strcpy(tmpstate, "");
 529         strcpy(tmpzip, "");
 530         strcpy(tmpcountry, "USA");
 531
 532         cprintf("%d Send registration...\n", SEND_LISTING);
 533         a=0;
 534         while (client_gets(buf), strcmp(buf,"000")) {
 535                 if (a==0) vcard_set_prop(my_vcard, "n", buf, 0);
 536                 if (a==1) strcpy(tmpaddr, buf);
 537                 if (a==2) strcpy(tmpcity, buf);
 538                 if (a==3) strcpy(tmpstate, buf);
 539                 if (a==4) {
 540                         for (c=0; c<strlen(buf); ++c) {
 541                                 if ((buf[c]>='0') && (buf[c]<='9')) {
 542                                         b = strlen(tmpzip);
 543                                         tmpzip[b] = buf[c];
 544                                         tmpzip[b+1] = 0;
 545                                 }
 546                         }
 547                 }
 548                 if (a==5) vcard_set_prop(my_vcard, "tel;home", buf, 0);
 549                 if (a==6) vcard_set_prop(my_vcard, "email;internet", buf, 0);
 550                 if (a==7) strcpy(tmpcountry, buf);
 551                 ++a;
 552         }
 553
 554         snprintf(tmpaddress, sizeof tmpaddress, ";;%s;%s;%s;%s;%s",
 555                 tmpaddr, tmpcity, tmpstate, tmpzip, tmpcountry);
 556         vcard_set_prop(my_vcard, "adr", tmpaddress, 0);
 557         vcard_write_user(&CC->user, my_vcard);
 558         vcard_free(my_vcard);
 559 }
 560
 561
 562 /*
 563  * Protocol command to fetch registration info for a user
 564  */
 565 void cmd_greg(char *argbuf)
 566 {
 567         struct ctdluser usbuf;
 568         struct vCard *v;
 569         char *s;
 570         char who[SIZ];
 571         char adr[SIZ];
 572         char buf[SIZ];
 573
 574         extract(who, argbuf, 0);
 575
 576         if (!(CC->logged_in)) {
 577                 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
 578                 return;
 579         }
 580
 581         if (!strcasecmp(who,"_SELF_")) strcpy(who,CC->curr_user);
 582
 583         if ((CC->user.axlevel < 6) && (strcasecmp(who,CC->curr_user))) {
 584                 cprintf("%d Higher access required.\n",
 585                         ERROR + HIGHER_ACCESS_REQUIRED);
 586                 return;
 587         }
 588
 589         if (getuser(&usbuf, who) != 0) {
 590                 cprintf("%d '%s' not found.\n", ERROR + NO_SUCH_USER, who);
 591                 return;
 592         }
 593
 594         v = vcard_get_user(&usbuf);
 595
 596         cprintf("%d %s\n", LISTING_FOLLOWS, usbuf.fullname);
 597         cprintf("%ld\n", usbuf.usernum);
 598         cprintf("%s\n", usbuf.password);
 599         s = vcard_get_prop(v, "n", 0, 0, 0);
 600         cprintf("%s\n", s ? s : " ");   /* name */
 601
 602         s = vcard_get_prop(v, "adr", 0, 0, 0);
 603         snprintf(adr, sizeof adr, "%s", s ? s : " ");/* address... */
 604
 605         extract_token(buf, adr, 2, ';');
 606         cprintf("%s\n", buf);                           /* street */
 607         extract_token(buf, adr, 3, ';');
 608         cprintf("%s\n", buf);                           /* city */
 609         extract_token(buf, adr, 4, ';');
 610         cprintf("%s\n", buf);                           /* state */
 611         extract_token(buf, adr, 5, ';');
 612         cprintf("%s\n", buf);                           /* zip */
 613
 614         s = vcard_get_prop(v, "tel;home", 0, 0, 0);
 615         if (s == NULL) s = vcard_get_prop(v, "tel", 1, 0, 0);
 616         if (s != NULL) {
 617                 cprintf("%s\n", s);
 618         }
 619         else {
 620                 cprintf(" \n");
 621         }
 622
 623         cprintf("%d\n", usbuf.axlevel);
 624
 625         s = vcard_get_prop(v, "email;internet", 0, 0, 0);
 626         cprintf("%s\n", s ? s : " ");
 627         s = vcard_get_prop(v, "adr", 0, 0, 0);
 628         snprintf(adr, sizeof adr, "%s", s ? s : " ");/* address... */
 629
 630         extract_token(buf, adr, 6, ';');
 631         cprintf("%s\n", buf);                           /* country */
 632         cprintf("000\n");
 633 }
 634
 635
 636 /*
 637  * When a user is being deleted, we have to remove his/her vCard.
 638  * This is accomplished by issuing a message with 'CANCEL' in the S (special)
 639  * field, and the same Extended ID as the existing card.
 640  */
 641 void vcard_purge(char *username, long usernum) {
 642         struct CtdlMessage *msg;
 643         char buf[SIZ];
 644
 645         msg = (struct CtdlMessage *) mallok(sizeof(struct CtdlMessage));
 646         if (msg == NULL) return;
 647         memset(msg, 0, sizeof(struct CtdlMessage));
 648
 649         msg->cm_magic = CTDLMESSAGE_MAGIC;
 650         msg->cm_anon_type = MES_NORMAL;
 651         msg->cm_format_type = 0;
 652         msg->cm_fields['A'] = strdoop(username);
 653         msg->cm_fields['O'] = strdoop(ADDRESS_BOOK_ROOM);
 654         msg->cm_fields['N'] = strdoop(NODENAME);
 655         msg->cm_fields['M'] = strdoop("Purge this vCard\n");
 656
 657         snprintf(buf, sizeof buf, VCARD_EXT_FORMAT,
 658                         msg->cm_fields['A'], NODENAME);
 659         msg->cm_fields['E'] = strdoop(buf);
 660
 661         msg->cm_fields['S'] = strdoop("CANCEL");
 662
 663         CtdlSubmitMsg(msg, NULL, ADDRESS_BOOK_ROOM);
 664         CtdlFreeMessage(msg);
 665 }
 666
 667
 668 /*
 669  * Grab vCard directory stuff out of incoming network messages
 670  */
 671 int vcard_extract_from_network(struct CtdlMessage *msg, char *target_room) {
 672         char *ptr;
 673         int linelen;
 674
 675         if (msg == NULL) return(0);
 676
 677         if (strcasecmp(target_room, ADDRESS_BOOK_ROOM)) {
 678                 return(0);
 679         }
 680
 681         if (msg->cm_format_type != 4) return(0);
 682
 683         ptr = msg->cm_fields['M'];
 684         if (ptr == NULL) return(0);
 685         while (ptr != NULL) {
 686
 687                 linelen = strcspn(ptr, "\n");
 688                 if (linelen == 0) return(0);    /* end of headers */
 689
 690                 if (!strncasecmp(ptr, "Content-type: text/x-vcard", 26)) {
 691                          /* It's a vCard.  Add it to the directory. */
 692                         vcard_extract_internet_addresses(msg,
 693                                                         CtdlDirectoryAddUser);
 694                         return(0);
 695                 }
 696
 697                 ptr = strchr((char *)ptr, '\n');
 698                 if (ptr != NULL) ++ptr;
 699         }
 700
 701         return(0);
 702 }
 703
 704
 705
 706 /*
 707  * When a vCard is being removed from the Global Address Book room, remove it
 708  * from the directory as well.
 709  */
 710 void vcard_delete_remove(char *room, long msgnum) {
 711         struct CtdlMessage *msg;
 712         char *ptr;
 713         int linelen;
 714
 715         if (msgnum <= 0L) return;
 716
 717         if (strcasecmp(room, ADDRESS_BOOK_ROOM)) {
 718                 return;
 719         }
 720
 721         msg = CtdlFetchMessage(msgnum);
 722         if (msg == NULL) return;
 723
 724         ptr = msg->cm_fields['M'];
 725         if (ptr == NULL) goto EOH;
 726         while (ptr != NULL) {
 727                 linelen = strcspn(ptr, "\n");
 728                 if (linelen == 0) goto EOH;
 729
 730                 if (!strncasecmp(ptr, "Content-type: text/x-vcard", 26)) {
 731                         /* Bingo!  A vCard is being deleted.
 732                         */
 733                         vcard_extract_internet_addresses(msg,
 734                                                         CtdlDirectoryDelUser);
 735 #ifdef HAVE_LDAP
 736                         ctdl_vcard_to_ldap(msg, V2L_DELETE);
 737 #endif
 738                 }
 739                 ptr = strchr((char *)ptr, '\n');
 740                 if (ptr != NULL) ++ptr;
 741         }
 742
 743 EOH:    CtdlFreeMessage(msg);
 744 }
 745
 746
 747
 748 /*
 749  * Query Directory
 750  */
 751 void cmd_qdir(char *argbuf) {
 752         char citadel_addr[SIZ];
 753         char internet_addr[SIZ];
 754
 755         if (CtdlAccessCheck(ac_logged_in)) return;
 756
 757         extract(internet_addr, argbuf, 0);
 758
 759         if (CtdlDirectoryLookup(citadel_addr, internet_addr) != 0) {
 760                 cprintf("%d %s was not found.\n",
 761                         ERROR + NO_SUCH_USER, internet_addr);
 762                 return;
 763         }
 764
 765         cprintf("%d %s\n", CIT_OK, citadel_addr);
 766 }
 767
 768
 769 /*
 770  * We don't know if the Contacts room exists so we just create it at login
 771  */
 772 void vcard_create_room(void)
 773 {
 774         struct ctdlroom qr;
 775         struct visit vbuf;
 776
 777         /* Create the calendar room if it doesn't already exist */
 778         create_room(USERCONTACTSROOM, 4, "", 0, 1, 0);
 779
 780         /* Set expiration policy to manual; otherwise objects will be lost! */
 781         if (lgetroom(&qr, USERCONTACTSROOM)) {
 782                 lprintf(CTDL_ERR, "Couldn't get the user CONTACTS room!\n");
 783                 return;
 784         }
 785         qr.QRep.expire_mode = EXPIRE_MANUAL;
 786         qr.QRdefaultview = 2;   /* 2 = address book view */
 787         lputroom(&qr);
 788
 789         /* Set the view to a calendar view */
 790         CtdlGetRelationship(&vbuf, &CC->user, &qr);
 791         vbuf.v_view = 2;        /* 2 = address book view */
 792         CtdlSetRelationship(&vbuf, &CC->user, &qr);
 793
 794         return;
 795 }
 796
 797
 798
 799
 800 /*
 801  * Session startup, allocate some per-session data
 802  */
 803 void vcard_session_startup_hook(void) {
 804         CtdlAllocUserData(SYM_VCARD, sizeof(struct vcard_internal_info));
 805 }
 806
 807
 808 /*
 809  * When a user logs in...
 810  */
 811 void vcard_session_login_hook(void) {
 812         struct vCard *v;
 813
 814         v = vcard_get_user(&CC->user);
 815         vcard_populate_cs_inet_email(v);
 816
 817         vcard_free(v);
 818
 819         vcard_create_room();
 820 }
 821
 822
 823
 824 char *serv_vcard_init(void)
 825 {
 826         struct ctdlroom qr;
 827
 828         CtdlRegisterSessionHook(vcard_session_startup_hook, EVT_START);
 829         CtdlRegisterSessionHook(vcard_session_login_hook, EVT_LOGIN);
 830         CtdlRegisterMessageHook(vcard_upload_beforesave, EVT_BEFORESAVE);
 831         CtdlRegisterMessageHook(vcard_upload_aftersave, EVT_AFTERSAVE);
 832         CtdlRegisterDeleteHook(vcard_delete_remove);
 833         CtdlRegisterProtoHook(cmd_regi, "REGI", "Enter registration info");
 834         CtdlRegisterProtoHook(cmd_greg, "GREG", "Get registration info");
 835         CtdlRegisterProtoHook(cmd_igab, "IGAB",
 836                                         "Initialize Global Address Book");
 837         CtdlRegisterProtoHook(cmd_qdir, "QDIR", "Query Directory");
 838         CtdlRegisterUserHook(vcard_purge, EVT_PURGEUSER);
 839         CtdlRegisterNetprocHook(vcard_extract_from_network);
 840
 841         /* Create the Global ADdress Book room if necessary */
 842         create_room(ADDRESS_BOOK_ROOM, 3, "", 0, 1, 0);
 843
 844         /* Set expiration policy to manual; otherwise objects will be lost! */
 845         if (!lgetroom(&qr, ADDRESS_BOOK_ROOM)) {
 846                 qr.QRep.expire_mode = EXPIRE_MANUAL;
 847                 qr.QRdefaultview = 2;   /* 2 = address book view */
 848                 lputroom(&qr);
 849         }
 850
 851         return "$Id$";
 852 }