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 = strdup(s);
 117                         striplt(addr);
 118                         if (strlen(addr) > 0) {
 119                                 if (callback != NULL) {
 120                                         callback(addr, citadel_address);
 121                                 }
 122                         }
 123                         free(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, 1);
 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 = strdup(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                         free(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         struct vCard *v = NULL;
 266         char *ser = NULL;
 267         int i = 0;
 268
 269         if (!CC->logged_in) return(0);  /* Only do this if logged in. */
 270
 271         /* If this isn't a "My Citadel Config" room, don't bother. */
 272         if ( (CC->room.QRflags && QR_MAILBOX)
 273            && (!strcasecmp(&CC->room.QRname[11], USERCONFIGROOM)) ) {
 274                 /* Yes, we want to do this */
 275         }
 276         else {
 277                 return(0);
 278         }
 279
 280         /* If this isn't a MIME message, don't bother. */
 281         if (msg->cm_format_type != 4) return(0);
 282
 283         /* Ok, if we got this far, look into the situation further... */
 284
 285         ptr = msg->cm_fields['M'];
 286         if (ptr == NULL) return(0);
 287         while (ptr != NULL) {
 288
 289                 linelen = strcspn(ptr, "\n");
 290                 if (linelen == 0) return(0);    /* end of headers */
 291
 292                 if (!strncasecmp(ptr, "Content-type: text/x-vcard", 26)) {
 293                         /* Bingo!  The user is uploading a new vCard, so
 294                          * delete the old one.  First, figure out which user
 295                          * is being re-registered...
 296                          */
 297                         what_user = atol(CC->room.QRname);
 298
 299                         if (what_user == CC->user.usernum) {
 300                                 /* It's the logged in user.  That was easy. */
 301                                 memcpy(&usbuf, &CC->user,
 302                                         sizeof(struct ctdluser) );
 303                         }
 304
 305                         else if (getuserbynumber(&usbuf, what_user) == 0) {
 306                                 /* We fetched a valid user record */
 307                         }
 308
 309                         else {
 310                                 /* No user with that number! */
 311                                 return(0);
 312                         }
 313
 314                         /* Delete the user's old vCard.  This would probably
 315                          * get taken care of by the replication check, but we
 316                          * want to make sure there is absolutely only one
 317                          * vCard in the user's config room at all times.
 318                          */
 319                         CtdlDeleteMessages(CC->room.QRname,
 320                                         0L, "text/x-vcard");
 321
 322                         /* Set the Extended-ID to a standardized one so the
 323                          * replication always works correctly
 324                          */
 325                         if (msg->cm_fields['E'] != NULL)
 326                                 free(msg->cm_fields['E']);
 327
 328                         if (msg->cm_fields['A'] != NULL)
 329                                 free(msg->cm_fields['A']);
 330
 331                         msg->cm_fields['A'] = strdup(usbuf.fullname);
 332
 333                         snprintf(buf, sizeof buf, VCARD_EXT_FORMAT,
 334                                 msg->cm_fields['A'], NODENAME);
 335                         msg->cm_fields['E'] = strdup(buf);
 336
 337                         /* Insert or replace RFC2739-compliant free/busy URL */
 338                         v = vcard_load(msg->cm_fields['M']);
 339                         if (v != NULL) {
 340
 341                                 /* Manipulate the vCard data structure */
 342                                 sprintf(buf, "http://%s/%s.vfb",
 343                                         config.c_fqdn,
 344                                         usbuf.fullname);
 345                                 for (i=0; i<strlen(buf); ++i) {
 346                                         if (buf[i] == ' ') buf[i] = '_';
 347                                 }
 348                                 vcard_set_prop(v, "FBURL;PREF", buf, 0);
 349
 350                                 /* Re-serialize it back into the msg body */
 351                                 ser = vcard_serialize(v);
 352                                 if (ser != NULL) {
 353                                         msg->cm_fields['M'] = realloc(
 354                                                 msg->cm_fields['M'],
 355                                                 strlen(ser) + 1024
 356                                         );
 357                                         sprintf(msg->cm_fields['M'],
 358                                                 "Content-type: text/x-vcard"
 359                                                 "\r\n\r\n%s\r\n", ser);
 360                                         free(ser);
 361                                 }
 362                                 vcard_free(v);
 363                         }
 364
 365                         /* Now allow the save to complete. */
 366                         return(0);
 367                 }
 368
 369                 ptr = strchr((char *)ptr, '\n');
 370                 if (ptr != NULL) ++ptr;
 371         }
 372
 373         return(0);
 374 }
 375
 376
 377
 378 /*
 379  * This handler detects whether the user is attempting to save a new
 380  * vCard as part of his/her personal configuration, and handles the replace
 381  * function accordingly (copy the vCard from the config room to the global
 382  * address book).
 383  */
 384 int vcard_upload_aftersave(struct CtdlMessage *msg) {
 385         char *ptr;
 386         int linelen;
 387         long I;
 388         struct vCard *v;
 389
 390         if (!CC->logged_in) return(0);  /* Only do this if logged in. */
 391
 392         /* If this isn't the configuration room, or if this isn't a MIME
 393          * message, don't bother.
 394          */
 395         if (msg->cm_fields['O'] == NULL) return(0);
 396         if (strcasecmp(msg->cm_fields['O'], USERCONFIGROOM)) return(0);
 397         if (msg->cm_format_type != 4) return(0);
 398
 399         ptr = msg->cm_fields['M'];
 400         if (ptr == NULL) return(0);
 401         while (ptr != NULL) {
 402
 403                 linelen = strcspn(ptr, "\n");
 404                 if (linelen == 0) return(0);    /* end of headers */
 405
 406                 if (!strncasecmp(ptr, "Content-type: text/x-vcard", 26)) {
 407                         /* Bingo!  The user is uploading a new vCard, so
 408                          * copy it to the Global Address Book room.
 409                          */
 410
 411                         I = atol(msg->cm_fields['I']);
 412                         if (I < 0L) return(0);
 413
 414                         /* Store our Internet return address in memory */
 415                         v = vcard_load(msg->cm_fields['M']);
 416                         vcard_populate_cs_inet_email(v);
 417                         vcard_free(v);
 418
 419                         /* Put it in the Global Address Book room... */
 420                         CtdlSaveMsgPointerInRoom(ADDRESS_BOOK_ROOM, I,
 421                                 (SM_VERIFY_GOODNESS | SM_DO_REPL_CHECK) );
 422
 423                         /* ...and also in the directory database. */
 424                         vcard_add_to_directory(I, NULL);
 425
 426                         /* Some sites want an Aide to be notified when a
 427                          * user registers or re-registers...
 428                          */
 429                         set_mm_valid();
 430
 431                         /* ...which also means we need to flag the user */
 432                         lgetuser(&CC->user, CC->curr_user);
 433                         CC->user.flags |= (US_REGIS|US_NEEDVALID);
 434                         lputuser(&CC->user);
 435
 436                         return(0);
 437                 }
 438
 439                 ptr = strchr((char *)ptr, '\n');
 440                 if (ptr != NULL) ++ptr;
 441         }
 442
 443         return(0);
 444 }
 445
 446
 447
 448 /*
 449  * back end function used for callbacks
 450  */
 451 void vcard_gu_backend(long msgnum, void *userdata) {
 452         VC->msgnum = msgnum;
 453 }
 454
 455
 456 /*
 457  * If this user has a vcard on disk, read it into memory, otherwise allocate
 458  * and return an empty vCard.
 459  */
 460 struct vCard *vcard_get_user(struct ctdluser *u) {
 461         char hold_rm[ROOMNAMELEN];
 462         char config_rm[ROOMNAMELEN];
 463         struct CtdlMessage *msg;
 464         struct vCard *v;
 465
 466         strcpy(hold_rm, CC->room.QRname);       /* save current room */
 467         MailboxName(config_rm, sizeof config_rm, u, USERCONFIGROOM);
 468
 469         if (getroom(&CC->room, config_rm) != 0) {
 470                 getroom(&CC->room, hold_rm);
 471                 return vcard_new();
 472         }
 473
 474         /* We want the last (and probably only) vcard in this room */
 475         VC->msgnum = (-1);
 476         CtdlForEachMessage(MSGS_LAST, 1, "text/x-vcard",
 477                 NULL, vcard_gu_backend, NULL);
 478         getroom(&CC->room, hold_rm);    /* return to saved room */
 479
 480         if (VC->msgnum < 0L) return vcard_new();
 481
 482         msg = CtdlFetchMessage(VC->msgnum, 1);
 483         if (msg == NULL) return vcard_new();
 484
 485         v = vcard_load(msg->cm_fields['M']);
 486         CtdlFreeMessage(msg);
 487         return v;
 488 }
 489
 490
 491 /*
 492  * Store this user's vCard in the appropriate place
 493  */
 494 /*
 495  * Write our config to disk
 496  */
 497 void vcard_write_user(struct ctdluser *u, struct vCard *v) {
 498         char temp[PATH_MAX];
 499         FILE *fp;
 500         char *ser;
 501
 502         strcpy(temp, tmpnam(NULL));
 503         ser = vcard_serialize(v);
 504
 505         fp = fopen(temp, "w");
 506         if (fp == NULL) return;
 507         if (ser == NULL) {
 508                 fprintf(fp, "begin:vcard\r\nend:vcard\r\n");
 509         } else {
 510                 fwrite(ser, strlen(ser), 1, fp);
 511                 free(ser);
 512         }
 513         fclose(fp);
 514
 515         /* This handy API function does all the work for us.
 516          * NOTE: normally we would want to set that last argument to 1, to
 517          * force the system to delete the user's old vCard.  But it doesn't
 518          * have to, because the vcard_upload_beforesave() hook above
 519          * is going to notice what we're trying to do, and delete the old vCard.
 520          */
 521         CtdlWriteObject(USERCONFIGROOM, /* which room */
 522                         "text/x-vcard", /* MIME type */
 523                         temp,           /* temp file */
 524                         u,              /* which user */
 525                         0,              /* not binary */
 526                         0,              /* don't delete others of this type */
 527                         0);             /* no flags */
 528
 529         unlink(temp);
 530 }
 531
 532
 533
 534 /*
 535  * Old style "enter registration info" command.  This function simply honors
 536  * the REGI protocol command, translates the entered parameters into a vCard,
 537  * and enters the vCard into the user's configuration.
 538  */
 539 void cmd_regi(char *argbuf) {
 540         int a,b,c;
 541         char buf[SIZ];
 542         struct vCard *my_vcard;
 543
 544         char tmpaddr[SIZ];
 545         char tmpcity[SIZ];
 546         char tmpstate[SIZ];
 547         char tmpzip[SIZ];
 548         char tmpaddress[SIZ];
 549         char tmpcountry[SIZ];
 550
 551         if (!(CC->logged_in)) {
 552                 cprintf("%d Not logged in.\n",ERROR + NOT_LOGGED_IN);
 553                 return;
 554         }
 555
 556         my_vcard = vcard_get_user(&CC->user);
 557         strcpy(tmpaddr, "");
 558         strcpy(tmpcity, "");
 559         strcpy(tmpstate, "");
 560         strcpy(tmpzip, "");
 561         strcpy(tmpcountry, "USA");
 562
 563         cprintf("%d Send registration...\n", SEND_LISTING);
 564         a=0;
 565         while (client_gets(buf), strcmp(buf,"000")) {
 566                 if (a==0) vcard_set_prop(my_vcard, "n", buf, 0);
 567                 if (a==1) strcpy(tmpaddr, buf);
 568                 if (a==2) strcpy(tmpcity, buf);
 569                 if (a==3) strcpy(tmpstate, buf);
 570                 if (a==4) {
 571                         for (c=0; c<strlen(buf); ++c) {
 572                                 if ((buf[c]>='0') && (buf[c]<='9')) {
 573                                         b = strlen(tmpzip);
 574                                         tmpzip[b] = buf[c];
 575                                         tmpzip[b+1] = 0;
 576                                 }
 577                         }
 578                 }
 579                 if (a==5) vcard_set_prop(my_vcard, "tel;home", buf, 0);
 580                 if (a==6) vcard_set_prop(my_vcard, "email;internet", buf, 0);
 581                 if (a==7) strcpy(tmpcountry, buf);
 582                 ++a;
 583         }
 584
 585         snprintf(tmpaddress, sizeof tmpaddress, ";;%s;%s;%s;%s;%s",
 586                 tmpaddr, tmpcity, tmpstate, tmpzip, tmpcountry);
 587         vcard_set_prop(my_vcard, "adr", tmpaddress, 0);
 588         vcard_write_user(&CC->user, my_vcard);
 589         vcard_free(my_vcard);
 590 }
 591
 592
 593 /*
 594  * Protocol command to fetch registration info for a user
 595  */
 596 void cmd_greg(char *argbuf)
 597 {
 598         struct ctdluser usbuf;
 599         struct vCard *v;
 600         char *s;
 601         char who[SIZ];
 602         char adr[SIZ];
 603         char buf[SIZ];
 604
 605         extract(who, argbuf, 0);
 606
 607         if (!(CC->logged_in)) {
 608                 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
 609                 return;
 610         }
 611
 612         if (!strcasecmp(who,"_SELF_")) strcpy(who,CC->curr_user);
 613
 614         if ((CC->user.axlevel < 6) && (strcasecmp(who,CC->curr_user))) {
 615                 cprintf("%d Higher access required.\n",
 616                         ERROR + HIGHER_ACCESS_REQUIRED);
 617                 return;
 618         }
 619
 620         if (getuser(&usbuf, who) != 0) {
 621                 cprintf("%d '%s' not found.\n", ERROR + NO_SUCH_USER, who);
 622                 return;
 623         }
 624
 625         v = vcard_get_user(&usbuf);
 626
 627         cprintf("%d %s\n", LISTING_FOLLOWS, usbuf.fullname);
 628         cprintf("%ld\n", usbuf.usernum);
 629         cprintf("%s\n", usbuf.password);
 630         s = vcard_get_prop(v, "n", 0, 0, 0);
 631         cprintf("%s\n", s ? s : " ");   /* name */
 632
 633         s = vcard_get_prop(v, "adr", 0, 0, 0);
 634         snprintf(adr, sizeof adr, "%s", s ? s : " ");/* address... */
 635
 636         extract_token(buf, adr, 2, ';');
 637         cprintf("%s\n", buf);                           /* street */
 638         extract_token(buf, adr, 3, ';');
 639         cprintf("%s\n", buf);                           /* city */
 640         extract_token(buf, adr, 4, ';');
 641         cprintf("%s\n", buf);                           /* state */
 642         extract_token(buf, adr, 5, ';');
 643         cprintf("%s\n", buf);                           /* zip */
 644
 645         s = vcard_get_prop(v, "tel;home", 0, 0, 0);
 646         if (s == NULL) s = vcard_get_prop(v, "tel", 1, 0, 0);
 647         if (s != NULL) {
 648                 cprintf("%s\n", s);
 649         }
 650         else {
 651                 cprintf(" \n");
 652         }
 653
 654         cprintf("%d\n", usbuf.axlevel);
 655
 656         s = vcard_get_prop(v, "email;internet", 0, 0, 0);
 657         cprintf("%s\n", s ? s : " ");
 658         s = vcard_get_prop(v, "adr", 0, 0, 0);
 659         snprintf(adr, sizeof adr, "%s", s ? s : " ");/* address... */
 660
 661         extract_token(buf, adr, 6, ';');
 662         cprintf("%s\n", buf);                           /* country */
 663         cprintf("000\n");
 664 }
 665
 666
 667 /*
 668  * When a user is being created, create his/her vCard.
 669  */
 670 void vcard_newuser(struct ctdluser *usbuf) {
 671         char buf[SIZ];
 672         char vname[SIZ];
 673
 674         char lastname[SIZ];
 675         char firstname[SIZ];
 676         char middlename[SIZ];
 677         char honorific_prefixes[SIZ];
 678         char honorific_suffixes[SIZ];
 679
 680         struct vCard *v;
 681         int i;
 682
 683         /* Try to intelligently convert the screen name to a
 684          * fully expanded vCard name based on the number of
 685          * words in the name
 686          */
 687         strcpy(lastname, "");
 688         strcpy(firstname, "");
 689         strcpy(middlename, "");
 690         strcpy(honorific_prefixes, "");
 691         strcpy(honorific_suffixes, "");
 692
 693         strcpy(buf, usbuf->fullname);
 694
 695         /* Honorific suffixes */
 696         if (num_tokens(buf, ',') > 1) {
 697                 extract_token(honorific_suffixes, buf, (num_tokens(buf, ' ') - 1), ',');
 698                 remove_token(buf, (num_tokens(buf, ',') - 1), ',');
 699         }
 700
 701         /* Find a last name */
 702         extract_token(lastname, buf, (num_tokens(buf, ' ') - 1), ' ');
 703         remove_token(buf, (num_tokens(buf, ' ') - 1), ' ');
 704
 705         /* Find honorific prefixes */
 706         if (num_tokens(buf, ' ') > 2) {
 707                 extract_token(honorific_prefixes, buf, 0, ' ');
 708                 remove_token(buf, 0, ' ');
 709         }
 710
 711         /* Find a middle name */
 712         if (num_tokens(buf, ' ') > 1) {
 713                 extract_token(middlename, buf, (num_tokens(buf, ' ') - 1), ' ');
 714                 remove_token(buf, (num_tokens(buf, ' ') - 1), ' ');
 715         }
 716
 717         /* Anything left is probably the first name */
 718         strcpy(firstname, buf);
 719         striplt(firstname);
 720
 721         /* Compose the structured name */
 722         sprintf(vname, "%s;%s;%s;%s;%s", lastname, firstname, middlename,
 723                 honorific_prefixes, honorific_suffixes);
 724
 725         lprintf(CTDL_DEBUG, "Converted <%s> to <%s>\n", usbuf->fullname, vname);
 726
 727         /* Create and save the vCard */
 728         v = vcard_new();
 729         if (v == NULL) return;
 730         sprintf(buf, "%s@%s", usbuf->fullname, config.c_fqdn);
 731         for (i=0; i<strlen(buf); ++i) {
 732                 if (buf[i] == ' ') buf[i] = '_';
 733         }
 734         vcard_add_prop(v, "fn", usbuf->fullname);
 735         vcard_add_prop(v, "n", vname);
 736         vcard_add_prop(v, "adr", "adr:;;_;_;_;00000;__");
 737         vcard_add_prop(v, "email;internet", buf);
 738         vcard_write_user(usbuf, v);
 739         vcard_free(v);
 740 }
 741
 742
 743 /*
 744  * When a user is being deleted, we have to remove his/her vCard.
 745  * This is accomplished by issuing a message with 'CANCEL' in the S (special)
 746  * field, and the same Extended ID as the existing card.
 747  */
 748 void vcard_purge(struct ctdluser *usbuf) {
 749         struct CtdlMessage *msg;
 750         char buf[SIZ];
 751
 752         msg = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
 753         if (msg == NULL) return;
 754         memset(msg, 0, sizeof(struct CtdlMessage));
 755
 756         msg->cm_magic = CTDLMESSAGE_MAGIC;
 757         msg->cm_anon_type = MES_NORMAL;
 758         msg->cm_format_type = 0;
 759         msg->cm_fields['A'] = strdup(usbuf->fullname);
 760         msg->cm_fields['O'] = strdup(ADDRESS_BOOK_ROOM);
 761         msg->cm_fields['N'] = strdup(NODENAME);
 762         msg->cm_fields['M'] = strdup("Purge this vCard\n");
 763
 764         snprintf(buf, sizeof buf, VCARD_EXT_FORMAT,
 765                         msg->cm_fields['A'], NODENAME);
 766         msg->cm_fields['E'] = strdup(buf);
 767
 768         msg->cm_fields['S'] = strdup("CANCEL");
 769
 770         CtdlSubmitMsg(msg, NULL, ADDRESS_BOOK_ROOM);
 771         CtdlFreeMessage(msg);
 772 }
 773
 774
 775 /*
 776  * Grab vCard directory stuff out of incoming network messages
 777  */
 778 int vcard_extract_from_network(struct CtdlMessage *msg, char *target_room) {
 779         char *ptr;
 780         int linelen;
 781
 782         if (msg == NULL) return(0);
 783
 784         if (strcasecmp(target_room, ADDRESS_BOOK_ROOM)) {
 785                 return(0);
 786         }
 787
 788         if (msg->cm_format_type != 4) return(0);
 789
 790         ptr = msg->cm_fields['M'];
 791         if (ptr == NULL) return(0);
 792         while (ptr != NULL) {
 793
 794                 linelen = strcspn(ptr, "\n");
 795                 if (linelen == 0) return(0);    /* end of headers */
 796
 797                 if (!strncasecmp(ptr, "Content-type: text/x-vcard", 26)) {
 798                          /* It's a vCard.  Add it to the directory. */
 799                         vcard_extract_internet_addresses(msg,
 800                                                         CtdlDirectoryAddUser);
 801                         return(0);
 802                 }
 803
 804                 ptr = strchr((char *)ptr, '\n');
 805                 if (ptr != NULL) ++ptr;
 806         }
 807
 808         return(0);
 809 }
 810
 811
 812
 813 /*
 814  * When a vCard is being removed from the Global Address Book room, remove it
 815  * from the directory as well.
 816  */
 817 void vcard_delete_remove(char *room, long msgnum) {
 818         struct CtdlMessage *msg;
 819         char *ptr;
 820         int linelen;
 821
 822         if (msgnum <= 0L) return;
 823
 824         if (strcasecmp(room, ADDRESS_BOOK_ROOM)) {
 825                 return;
 826         }
 827
 828         msg = CtdlFetchMessage(msgnum, 1);
 829         if (msg == NULL) return;
 830
 831         ptr = msg->cm_fields['M'];
 832         if (ptr == NULL) goto EOH;
 833         while (ptr != NULL) {
 834                 linelen = strcspn(ptr, "\n");
 835                 if (linelen == 0) goto EOH;
 836
 837                 if (!strncasecmp(ptr, "Content-type: text/x-vcard", 26)) {
 838                         /* Bingo!  A vCard is being deleted.
 839                         */
 840                         vcard_extract_internet_addresses(msg,
 841                                                         CtdlDirectoryDelUser);
 842 #ifdef HAVE_LDAP
 843                         ctdl_vcard_to_ldap(msg, V2L_DELETE);
 844 #endif
 845                 }
 846                 ptr = strchr((char *)ptr, '\n');
 847                 if (ptr != NULL) ++ptr;
 848         }
 849
 850 EOH:    CtdlFreeMessage(msg);
 851 }
 852
 853
 854
 855 /*
 856  * Query Directory
 857  */
 858 void cmd_qdir(char *argbuf) {
 859         char citadel_addr[SIZ];
 860         char internet_addr[SIZ];
 861
 862         if (CtdlAccessCheck(ac_logged_in)) return;
 863
 864         extract(internet_addr, argbuf, 0);
 865
 866         if (CtdlDirectoryLookup(citadel_addr, internet_addr) != 0) {
 867                 cprintf("%d %s was not found.\n",
 868                         ERROR + NO_SUCH_USER, internet_addr);
 869                 return;
 870         }
 871
 872         cprintf("%d %s\n", CIT_OK, citadel_addr);
 873 }
 874
 875
 876 /*
 877  * We don't know if the Contacts room exists so we just create it at login
 878  */
 879 void vcard_create_room(void)
 880 {
 881         struct ctdlroom qr;
 882         struct visit vbuf;
 883
 884         /* Create the calendar room if it doesn't already exist */
 885         create_room(USERCONTACTSROOM, 4, "", 0, 1, 0);
 886
 887         /* Set expiration policy to manual; otherwise objects will be lost! */
 888         if (lgetroom(&qr, USERCONTACTSROOM)) {
 889                 lprintf(CTDL_ERR, "Couldn't get the user CONTACTS room!\n");
 890                 return;
 891         }
 892         qr.QRep.expire_mode = EXPIRE_MANUAL;
 893         qr.QRdefaultview = 2;   /* 2 = address book view */
 894         lputroom(&qr);
 895
 896         /* Set the view to a calendar view */
 897         CtdlGetRelationship(&vbuf, &CC->user, &qr);
 898         vbuf.v_view = 2;        /* 2 = address book view */
 899         CtdlSetRelationship(&vbuf, &CC->user, &qr);
 900
 901         return;
 902 }
 903
 904
 905
 906
 907 /*
 908  * Session startup, allocate some per-session data
 909  */
 910 void vcard_session_startup_hook(void) {
 911         CtdlAllocUserData(SYM_VCARD, sizeof(struct vcard_internal_info));
 912 }
 913
 914
 915 /*
 916  * When a user logs in...
 917  */
 918 void vcard_session_login_hook(void) {
 919         struct vCard *v;
 920
 921         v = vcard_get_user(&CC->user);
 922         vcard_populate_cs_inet_email(v);
 923
 924         vcard_free(v);
 925
 926         vcard_create_room();
 927 }
 928
 929
 930
 931 char *serv_vcard_init(void)
 932 {
 933         struct ctdlroom qr;
 934
 935         CtdlRegisterSessionHook(vcard_session_startup_hook, EVT_START);
 936         CtdlRegisterSessionHook(vcard_session_login_hook, EVT_LOGIN);
 937         CtdlRegisterMessageHook(vcard_upload_beforesave, EVT_BEFORESAVE);
 938         CtdlRegisterMessageHook(vcard_upload_aftersave, EVT_AFTERSAVE);
 939         CtdlRegisterDeleteHook(vcard_delete_remove);
 940         CtdlRegisterProtoHook(cmd_regi, "REGI", "Enter registration info");
 941         CtdlRegisterProtoHook(cmd_greg, "GREG", "Get registration info");
 942         CtdlRegisterProtoHook(cmd_igab, "IGAB",
 943                                         "Initialize Global Address Book");
 944         CtdlRegisterProtoHook(cmd_qdir, "QDIR", "Query Directory");
 945         CtdlRegisterUserHook(vcard_newuser, EVT_NEWUSER);
 946         CtdlRegisterUserHook(vcard_purge, EVT_PURGEUSER);
 947         CtdlRegisterNetprocHook(vcard_extract_from_network);
 948
 949         /* Create the Global ADdress Book room if necessary */
 950         create_room(ADDRESS_BOOK_ROOM, 3, "", 0, 1, 0);
 951
 952         /* Set expiration policy to manual; otherwise objects will be lost! */
 953         if (!lgetroom(&qr, ADDRESS_BOOK_ROOM)) {
 954                 qr.QRep.expire_mode = EXPIRE_MANUAL;
 955                 qr.QRdefaultview = 2;   /* 2 = address book view */
 956                 lputroom(&qr);
 957         }
 958
 959         return "$Id$";
 960 }