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 "Exclusive 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 /*
  69  * set global flag calling for an aide to validate new users
  70  */
  71 void set_mm_valid(void) {
  72         begin_critical_section(S_CONTROL);
  73         get_control();
  74         CitControl.MMflags = CitControl.MMflags | MM_VALID ;
  75         put_control();
  76         end_critical_section(S_CONTROL);
  77 }
  78
  79
  80
  81 /*
  82  * Extract Internet e-mail addresses from a message containing a vCard, and
  83  * perform a callback for any found.
  84  */
  85 void vcard_extract_internet_addresses(struct CtdlMessage *msg,
  86                                 void (*callback)(char *, char *) ) {
  87         struct vCard *v;
  88         char *s;
  89         char *addr;
  90         char citadel_address[SIZ];
  91         int instance = 0;
  92         int found_something = 0;
  93
  94         if (msg->cm_fields['A'] == NULL) return;
  95         if (msg->cm_fields['N'] == NULL) return;
  96         snprintf(citadel_address, sizeof citadel_address, "%s @ %s",
  97                 msg->cm_fields['A'], msg->cm_fields['N']);
  98
  99         v = vcard_load(msg->cm_fields['M']);
 100         if (v == NULL) return;
 101
 102         /* Go through the vCard searching for *all* instances of
 103          * the "email;internet" key
 104          */
 105         do {
 106                 s = vcard_get_prop(v, "email;internet", 0, instance++, 0);
 107                 if (s != NULL) {
 108                         addr = strdup(s);
 109                         striplt(addr);
 110                         if (strlen(addr) > 0) {
 111                                 if (callback != NULL) {
 112                                         callback(addr, citadel_address);
 113                                 }
 114                         }
 115                         free(addr);
 116                         found_something = 1;
 117                 }
 118                 else {
 119                         found_something = 0;
 120                 }
 121         } while(found_something);
 122
 123         vcard_free(v);
 124 }
 125
 126
 127
 128 /*
 129  * Callback for vcard_add_to_directory()
 130  * (Lotsa ugly nested callbacks.  Oh well.)
 131  */
 132 void vcard_directory_add_user(char *internet_addr, char *citadel_addr) {
 133         char buf[SIZ];
 134
 135         /* We have to validate that we're not stepping on someone else's
 136          * email address ... but only if we're logged in.  Otherwise it's
 137          * probably just the networker or something.
 138          */
 139         if (CC->logged_in) {
 140                 lprintf(CTDL_DEBUG, "Checking for <%s>...\n", internet_addr);
 141                 if (CtdlDirectoryLookup(buf, internet_addr, sizeof buf) == 0) {
 142                         if (strcasecmp(buf, citadel_addr)) {
 143                                 /* This address belongs to someone else.
 144                                  * Bail out silently without saving.
 145                                  */
 146                                 lprintf(CTDL_DEBUG, "DOOP!\n");
 147                                 return;
 148                         }
 149                 }
 150         }
 151         lprintf(CTDL_INFO, "Adding %s (%s) to directory\n",
 152                         citadel_addr, internet_addr);
 153         CtdlDirectoryAddUser(internet_addr, citadel_addr);
 154 }
 155
 156
 157 /*
 158  * Back end function for cmd_igab()
 159  */
 160 void vcard_add_to_directory(long msgnum, void *data) {
 161         struct CtdlMessage *msg;
 162
 163         msg = CtdlFetchMessage(msgnum, 1);
 164         if (msg != NULL) {
 165                 vcard_extract_internet_addresses(msg, vcard_directory_add_user);
 166         }
 167
 168 #ifdef HAVE_LDAP
 169         ctdl_vcard_to_ldap(msg, V2L_WRITE);
 170 #endif
 171
 172         CtdlFreeMessage(msg);
 173 }
 174
 175
 176 /*
 177  * Initialize Global Adress Book
 178  */
 179 void cmd_igab(char *argbuf) {
 180         char hold_rm[ROOMNAMELEN];
 181
 182         if (CtdlAccessCheck(ac_aide)) return;
 183
 184         strcpy(hold_rm, CC->room.QRname);       /* save current room */
 185
 186         if (getroom(&CC->room, ADDRESS_BOOK_ROOM) != 0) {
 187                 getroom(&CC->room, hold_rm);
 188                 cprintf("%d cannot get address book room\n", ERROR + ROOM_NOT_FOUND);
 189                 return;
 190         }
 191
 192         /* Empty the existing database first.
 193          */
 194         CtdlDirectoryInit();
 195
 196         /* We want *all* vCards in this room */
 197         CtdlForEachMessage(MSGS_ALL, 0, "text/x-vcard",
 198                 NULL, vcard_add_to_directory, NULL);
 199
 200         getroom(&CC->room, hold_rm);    /* return to saved room */
 201         cprintf("%d Directory has been rebuilt.\n", CIT_OK);
 202 }
 203
 204
 205
 206
 207 /*
 208  * See if there is a valid Internet address in a vCard to use for outbound
 209  * Internet messages.  If there is, stick it in CC->cs_inet_email.
 210  */
 211 void vcard_populate_cs_inet_email(struct vCard *v) {
 212         char *s, *addr;
 213         int continue_searching = 1;
 214         int instance = 0;
 215
 216         /* Go through the vCard searching for *all* instances of
 217          * the "email;internet" key
 218          */
 219         do {
 220                 s = vcard_get_prop(v, "email;internet", 0, instance++, 0);
 221                 if (s != NULL) {
 222                         continue_searching = 1;
 223                         addr = strdup(s);
 224                         striplt(addr);
 225                         if (strlen(addr) > 0) {
 226                                 if (IsDirectory(addr)) {
 227                                         continue_searching = 0;
 228                                         safestrncpy(CC->cs_inet_email,
 229                                                 addr,
 230                                                 sizeof(CC->cs_inet_email)
 231                                         );
 232                                 }
 233                         }
 234                         free(addr);
 235                 }
 236                 else {
 237                         continue_searching = 0;
 238                 }
 239         } while(continue_searching);
 240 }
 241
 242
 243
 244 /*
 245  * This handler detects whether the user is attempting to save a new
 246  * vCard as part of his/her personal configuration, and handles the replace
 247  * function accordingly (delete the user's existing vCard in the config room
 248  * and in the global address book).
 249  */
 250 int vcard_upload_beforesave(struct CtdlMessage *msg) {
 251         char *ptr;
 252         char *s;
 253         int linelen;
 254         char buf[SIZ];
 255         struct ctdluser usbuf;
 256         long what_user;
 257         struct vCard *v = NULL;
 258         char *ser = NULL;
 259         int i = 0;
 260         int yes_my_citadel_config = 0;
 261         int yes_any_vcard_room = 0;
 262
 263         if (!CC->logged_in) return(0);  /* Only do this if logged in. */
 264
 265         /* Is this some user's "My Citadel Config" room? */
 266         if ( (CC->room.QRflags && QR_MAILBOX)
 267            && (!strcasecmp(&CC->room.QRname[11], USERCONFIGROOM)) ) {
 268                 /* Yes, we want to do this */
 269                 yes_my_citadel_config = 1;
 270         }
 271
 272         /* Is this a room with an address book in it? */
 273         if (CC->curr_view == VIEW_ADDRESSBOOK) {
 274                 yes_any_vcard_room = 1;
 275         }
 276
 277         /* If neither condition exists, don't run this hook. */
 278         if ( (!yes_my_citadel_config) && (!yes_any_vcard_room) ) {
 279                 return(0);
 280         }
 281
 282         /* If this isn't a MIME message, don't bother. */
 283         if (msg->cm_format_type != 4) return(0);
 284
 285         /* Ok, if we got this far, look into the situation further... */
 286
 287         ptr = msg->cm_fields['M'];
 288         if (ptr == NULL) return(0);
 289         while (ptr != NULL) {
 290
 291                 linelen = strcspn(ptr, "\n");
 292                 if (linelen == 0) return(0);    /* end of headers */
 293
 294                 if (!strncasecmp(ptr, "Content-type: text/x-vcard", 26)) {
 295
 296
 297                         if (yes_my_citadel_config) {
 298                                 /* Bingo!  The user is uploading a new vCard, so
 299                                  * delete the old one.  First, figure out which user
 300                                  * is being re-registered...
 301                                  */
 302                                 what_user = atol(CC->room.QRname);
 303
 304                                 if (what_user == CC->user.usernum) {
 305                                         /* It's the logged in user.  That was easy. */
 306                                         memcpy(&usbuf, &CC->user,
 307                                                 sizeof(struct ctdluser) );
 308                                 }
 309
 310                                 else if (getuserbynumber(&usbuf, what_user) == 0) {
 311                                         /* We fetched a valid user record */
 312                                 }
 313
 314                                 else {
 315                                         /* No user with that number! */
 316                                         return(0);
 317                                 }
 318
 319                                 /* Delete the user's old vCard.  This would probably
 320                                  * get taken care of by the replication check, but we
 321                                  * want to make sure there is absolutely only one
 322                                  * vCard in the user's config room at all times.
 323                                  */
 324                                 CtdlDeleteMessages(CC->room.QRname,
 325                                                 0L, "text/x-vcard", 1);
 326
 327                                 /* Make the author of the message the name of the user.
 328                                  */
 329                                 if (msg->cm_fields['A'] != NULL) {
 330                                         free(msg->cm_fields['A']);
 331                                 }
 332                                 msg->cm_fields['A'] = strdup(usbuf.fullname);
 333                         }
 334
 335                         /* Manipulate the vCard data structure */
 336                         v = vcard_load(msg->cm_fields['M']);
 337                         if (v != NULL) {
 338
 339                                 /* Insert or replace RFC2739-compliant free/busy URL */
 340                                 if (yes_my_citadel_config) {
 341                                         sprintf(buf, "http://%s/%s.vfb",
 342                                                 config.c_fqdn,
 343                                                 usbuf.fullname);
 344                                         for (i=0; i<strlen(buf); ++i) {
 345                                                 if (buf[i] == ' ') buf[i] = '_';
 346                                         }
 347                                         vcard_set_prop(v, "FBURL;PREF", buf, 0);
 348                                 }
 349
 350                                 /* If this is an address book room, and the vCard has
 351                                  * no UID, then give it one.
 352                                  */
 353                                 if (yes_any_vcard_room) {
 354                                         s = vcard_get_prop(v, "UID", 0, 0, 0);
 355                                         if (s == NULL) {
 356                                                 generate_uuid(buf);
 357                                                 vcard_set_prop(v, "UID", buf, 0);
 358                                         }
 359                                 }
 360
 361                                 /* Enforce local UID policy if applicable */
 362                                 if (yes_my_citadel_config) {
 363                                         snprintf(buf, sizeof buf, VCARD_EXT_FORMAT,
 364                                                 msg->cm_fields['A'], NODENAME);
 365                                         vcard_set_prop(v, "UID", buf, 0);
 366                                 }
 367
 368                                 /*
 369                                  * Set the EUID of the message to the UID of the vCard.
 370                                  */
 371                                 if (msg->cm_fields['E'] != NULL) free(msg->cm_fields['E']);
 372                                 s = vcard_get_prop(v, "UID", 0, 0, 0);
 373                                 if (s != NULL) {
 374                                         msg->cm_fields['E'] = strdup(s);
 375                                         if (msg->cm_fields['U'] == NULL) {
 376                                                 msg->cm_fields['U'] = strdup(s);
 377                                         }
 378                                 }
 379
 380                                 /*
 381                                  * Set the Subject to the name in the vCard.
 382                                  */
 383                                 s = vcard_get_prop(v, "FN", 0, 0, 0);
 384                                 if (s == NULL) {
 385                                         s = vcard_get_prop(v, "N", 0, 0, 0);
 386                                 }
 387                                 if (s != NULL) {
 388                                         if (msg->cm_fields['U'] != NULL) {
 389                                                 free(msg->cm_fields['U']);
 390                                         }
 391                                         msg->cm_fields['U'] = strdup(s);
 392                                 }
 393
 394                                 /* Re-serialize it back into the msg body */
 395                                 ser = vcard_serialize(v);
 396                                 if (ser != NULL) {
 397                                         msg->cm_fields['M'] = realloc(
 398                                                 msg->cm_fields['M'],
 399                                                 strlen(ser) + 1024
 400                                         );
 401                                         sprintf(msg->cm_fields['M'],
 402                                                 "Content-type: text/x-vcard"
 403                                                 "\r\n\r\n%s\r\n", ser);
 404                                         free(ser);
 405                                 }
 406                                 vcard_free(v);
 407                         }
 408
 409                         /* Now allow the save to complete. */
 410                         return(0);
 411                 }
 412
 413                 ptr = strchr((char *)ptr, '\n');
 414                 if (ptr != NULL) ++ptr;
 415         }
 416
 417         return(0);
 418 }
 419
 420
 421
 422 /*
 423  * This handler detects whether the user is attempting to save a new
 424  * vCard as part of his/her personal configuration, and handles the replace
 425  * function accordingly (copy the vCard from the config room to the global
 426  * address book).
 427  */
 428 int vcard_upload_aftersave(struct CtdlMessage *msg) {
 429         char *ptr;
 430         int linelen;
 431         long I;
 432         struct vCard *v;
 433
 434         if (!CC->logged_in) return(0);  /* Only do this if logged in. */
 435
 436         /* If this isn't the configuration room, or if this isn't a MIME
 437          * message, don't bother.
 438          */
 439         if (msg->cm_fields['O'] == NULL) return(0);
 440         if (strcasecmp(msg->cm_fields['O'], USERCONFIGROOM)) return(0);
 441         if (msg->cm_format_type != 4) return(0);
 442
 443         ptr = msg->cm_fields['M'];
 444         if (ptr == NULL) return(0);
 445         while (ptr != NULL) {
 446
 447                 linelen = strcspn(ptr, "\n");
 448                 if (linelen == 0) return(0);    /* end of headers */
 449
 450                 if (!strncasecmp(ptr, "Content-type: text/x-vcard", 26)) {
 451                         /* Bingo!  The user is uploading a new vCard, so
 452                          * copy it to the Global Address Book room.
 453                          */
 454
 455                         I = atol(msg->cm_fields['I']);
 456                         if (I < 0L) return(0);
 457
 458                         /* Store our Internet return address in memory */
 459                         v = vcard_load(msg->cm_fields['M']);
 460                         vcard_populate_cs_inet_email(v);
 461                         vcard_free(v);
 462
 463                         /* Put it in the Global Address Book room... */
 464                         CtdlSaveMsgPointerInRoom(ADDRESS_BOOK_ROOM, I,
 465                                 (SM_VERIFY_GOODNESS | SM_DO_REPL_CHECK) );
 466
 467                         /* ...and also in the directory database. */
 468                         vcard_add_to_directory(I, NULL);
 469
 470                         /* Some sites want an Aide to be notified when a
 471                          * user registers or re-registers...
 472                          */
 473                         set_mm_valid();
 474
 475                         /* ...which also means we need to flag the user */
 476                         lgetuser(&CC->user, CC->curr_user);
 477                         CC->user.flags |= (US_REGIS|US_NEEDVALID);
 478                         lputuser(&CC->user);
 479
 480                         return(0);
 481                 }
 482
 483                 ptr = strchr((char *)ptr, '\n');
 484                 if (ptr != NULL) ++ptr;
 485         }
 486
 487         return(0);
 488 }
 489
 490
 491
 492 /*
 493  * back end function used for callbacks
 494  */
 495 void vcard_gu_backend(long supplied_msgnum, void *userdata) {
 496         long *msgnum;
 497
 498         msgnum = (long *) userdata;
 499         *msgnum = supplied_msgnum;
 500 }
 501
 502
 503 /*
 504  * If this user has a vcard on disk, read it into memory, otherwise allocate
 505  * and return an empty vCard.
 506  */
 507 struct vCard *vcard_get_user(struct ctdluser *u) {
 508         char hold_rm[ROOMNAMELEN];
 509         char config_rm[ROOMNAMELEN];
 510         struct CtdlMessage *msg;
 511         struct vCard *v;
 512         long VCmsgnum;
 513
 514         strcpy(hold_rm, CC->room.QRname);       /* save current room */
 515         MailboxName(config_rm, sizeof config_rm, u, USERCONFIGROOM);
 516
 517         if (getroom(&CC->room, config_rm) != 0) {
 518                 getroom(&CC->room, hold_rm);
 519                 return vcard_new();
 520         }
 521
 522         /* We want the last (and probably only) vcard in this room */
 523         VCmsgnum = (-1);
 524         CtdlForEachMessage(MSGS_LAST, 1, "text/x-vcard",
 525                 NULL, vcard_gu_backend, (void *)&VCmsgnum );
 526         getroom(&CC->room, hold_rm);    /* return to saved room */
 527
 528         if (VCmsgnum < 0L) return vcard_new();
 529
 530         msg = CtdlFetchMessage(VCmsgnum, 1);
 531         if (msg == NULL) return vcard_new();
 532
 533         v = vcard_load(msg->cm_fields['M']);
 534         CtdlFreeMessage(msg);
 535         return v;
 536 }
 537
 538
 539 /*
 540  * Store this user's vCard in the appropriate place
 541  */
 542 /*
 543  * Write our config to disk
 544  */
 545 void vcard_write_user(struct ctdluser *u, struct vCard *v) {
 546         char temp[PATH_MAX];
 547         FILE *fp;
 548         char *ser;
 549
 550         strcpy(temp, tmpnam(NULL));
 551         ser = vcard_serialize(v);
 552
 553         fp = fopen(temp, "w");
 554         if (fp == NULL) return;
 555         if (ser == NULL) {
 556                 fprintf(fp, "begin:vcard\r\nend:vcard\r\n");
 557         } else {
 558                 fwrite(ser, strlen(ser), 1, fp);
 559                 free(ser);
 560         }
 561         fclose(fp);
 562
 563         /* This handy API function does all the work for us.
 564          * NOTE: normally we would want to set that last argument to 1, to
 565          * force the system to delete the user's old vCard.  But it doesn't
 566          * have to, because the vcard_upload_beforesave() hook above
 567          * is going to notice what we're trying to do, and delete the old vCard.
 568          */
 569         CtdlWriteObject(USERCONFIGROOM, /* which room */
 570                         "text/x-vcard", /* MIME type */
 571                         temp,           /* temp file */
 572                         u,              /* which user */
 573                         0,              /* not binary */
 574                         0,              /* don't delete others of this type */
 575                         0);             /* no flags */
 576
 577         unlink(temp);
 578 }
 579
 580
 581
 582 /*
 583  * Old style "enter registration info" command.  This function simply honors
 584  * the REGI protocol command, translates the entered parameters into a vCard,
 585  * and enters the vCard into the user's configuration.
 586  */
 587 void cmd_regi(char *argbuf) {
 588         int a,b,c;
 589         char buf[SIZ];
 590         struct vCard *my_vcard;
 591
 592         char tmpaddr[SIZ];
 593         char tmpcity[SIZ];
 594         char tmpstate[SIZ];
 595         char tmpzip[SIZ];
 596         char tmpaddress[SIZ];
 597         char tmpcountry[SIZ];
 598
 599         unbuffer_output();
 600
 601         if (!(CC->logged_in)) {
 602                 cprintf("%d Not logged in.\n",ERROR + NOT_LOGGED_IN);
 603                 return;
 604         }
 605
 606         my_vcard = vcard_get_user(&CC->user);
 607         strcpy(tmpaddr, "");
 608         strcpy(tmpcity, "");
 609         strcpy(tmpstate, "");
 610         strcpy(tmpzip, "");
 611         strcpy(tmpcountry, "USA");
 612
 613         cprintf("%d Send registration...\n", SEND_LISTING);
 614         a=0;
 615         while (client_getln(buf, sizeof buf), strcmp(buf,"000")) {
 616                 if (a==0) vcard_set_prop(my_vcard, "n", buf, 0);
 617                 if (a==1) strcpy(tmpaddr, buf);
 618                 if (a==2) strcpy(tmpcity, buf);
 619                 if (a==3) strcpy(tmpstate, buf);
 620                 if (a==4) {
 621                         for (c=0; c<strlen(buf); ++c) {
 622                                 if ((buf[c]>='0') && (buf[c]<='9')) {
 623                                         b = strlen(tmpzip);
 624                                         tmpzip[b] = buf[c];
 625                                         tmpzip[b+1] = 0;
 626                                 }
 627                         }
 628                 }
 629                 if (a==5) vcard_set_prop(my_vcard, "tel;home", buf, 0);
 630                 if (a==6) vcard_set_prop(my_vcard, "email;internet", buf, 0);
 631                 if (a==7) strcpy(tmpcountry, buf);
 632                 ++a;
 633         }
 634
 635         snprintf(tmpaddress, sizeof tmpaddress, ";;%s;%s;%s;%s;%s",
 636                 tmpaddr, tmpcity, tmpstate, tmpzip, tmpcountry);
 637         vcard_set_prop(my_vcard, "adr", tmpaddress, 0);
 638         vcard_write_user(&CC->user, my_vcard);
 639         vcard_free(my_vcard);
 640 }
 641
 642
 643 /*
 644  * Protocol command to fetch registration info for a user
 645  */
 646 void cmd_greg(char *argbuf)
 647 {
 648         struct ctdluser usbuf;
 649         struct vCard *v;
 650         char *s;
 651         char who[USERNAME_SIZE];
 652         char adr[256];
 653         char buf[256];
 654
 655         extract_token(who, argbuf, 0, '|', sizeof who);
 656
 657         if (!(CC->logged_in)) {
 658                 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
 659                 return;
 660         }
 661
 662         if (!strcasecmp(who,"_SELF_")) strcpy(who,CC->curr_user);
 663
 664         if ((CC->user.axlevel < 6) && (strcasecmp(who,CC->curr_user))) {
 665                 cprintf("%d Higher access required.\n",
 666                         ERROR + HIGHER_ACCESS_REQUIRED);
 667                 return;
 668         }
 669
 670         if (getuser(&usbuf, who) != 0) {
 671                 cprintf("%d '%s' not found.\n", ERROR + NO_SUCH_USER, who);
 672                 return;
 673         }
 674
 675         v = vcard_get_user(&usbuf);
 676
 677         cprintf("%d %s\n", LISTING_FOLLOWS, usbuf.fullname);
 678         cprintf("%ld\n", usbuf.usernum);
 679         cprintf("%s\n", usbuf.password);
 680         s = vcard_get_prop(v, "n", 0, 0, 0);
 681         cprintf("%s\n", s ? s : " ");   /* name */
 682
 683         s = vcard_get_prop(v, "adr", 0, 0, 0);
 684         snprintf(adr, sizeof adr, "%s", s ? s : " ");/* address... */
 685
 686         extract_token(buf, adr, 2, ';', sizeof buf);
 687         cprintf("%s\n", buf);                           /* street */
 688         extract_token(buf, adr, 3, ';', sizeof buf);
 689         cprintf("%s\n", buf);                           /* city */
 690         extract_token(buf, adr, 4, ';', sizeof buf);
 691         cprintf("%s\n", buf);                           /* state */
 692         extract_token(buf, adr, 5, ';', sizeof buf);
 693         cprintf("%s\n", buf);                           /* zip */
 694
 695         s = vcard_get_prop(v, "tel;home", 0, 0, 0);
 696         if (s == NULL) s = vcard_get_prop(v, "tel", 1, 0, 0);
 697         if (s != NULL) {
 698                 cprintf("%s\n", s);
 699         }
 700         else {
 701                 cprintf(" \n");
 702         }
 703
 704         cprintf("%d\n", usbuf.axlevel);
 705
 706         s = vcard_get_prop(v, "email;internet", 0, 0, 0);
 707         cprintf("%s\n", s ? s : " ");
 708         s = vcard_get_prop(v, "adr", 0, 0, 0);
 709         snprintf(adr, sizeof adr, "%s", s ? s : " ");/* address... */
 710
 711         extract_token(buf, adr, 6, ';', sizeof buf);
 712         cprintf("%s\n", buf);                           /* country */
 713         cprintf("000\n");
 714 }
 715
 716
 717 /*
 718  * When a user is being created, create his/her vCard.
 719  */
 720 void vcard_newuser(struct ctdluser *usbuf) {
 721         char buf[256];
 722         char vname[256];
 723
 724         char lastname[256];
 725         char firstname[256];
 726         char middlename[256];
 727         char honorific_prefixes[256];
 728         char honorific_suffixes[256];
 729
 730         struct vCard *v;
 731         int i;
 732
 733         /* Try to intelligently convert the screen name to a
 734          * fully expanded vCard name based on the number of
 735          * words in the name
 736          */
 737         safestrncpy(lastname, "", sizeof lastname);
 738         safestrncpy(firstname, "", sizeof firstname);
 739         safestrncpy(middlename, "", sizeof middlename);
 740         safestrncpy(honorific_prefixes, "", sizeof honorific_prefixes);
 741         safestrncpy(honorific_suffixes, "", sizeof honorific_suffixes);
 742
 743         safestrncpy(buf, usbuf->fullname, sizeof buf);
 744
 745         /* Honorific suffixes */
 746         if (num_tokens(buf, ',') > 1) {
 747                 extract_token(honorific_suffixes, buf, (num_tokens(buf, ' ') - 1), ',',
 748                         sizeof honorific_suffixes);
 749                 remove_token(buf, (num_tokens(buf, ',') - 1), ',');
 750         }
 751
 752         /* Find a last name */
 753         extract_token(lastname, buf, (num_tokens(buf, ' ') - 1), ' ', sizeof lastname);
 754         remove_token(buf, (num_tokens(buf, ' ') - 1), ' ');
 755
 756         /* Find honorific prefixes */
 757         if (num_tokens(buf, ' ') > 2) {
 758                 extract_token(honorific_prefixes, buf, 0, ' ', sizeof honorific_prefixes);
 759                 remove_token(buf, 0, ' ');
 760         }
 761
 762         /* Find a middle name */
 763         if (num_tokens(buf, ' ') > 1) {
 764                 extract_token(middlename, buf, (num_tokens(buf, ' ') - 1), ' ', sizeof middlename);
 765                 remove_token(buf, (num_tokens(buf, ' ') - 1), ' ');
 766         }
 767
 768         /* Anything left is probably the first name */
 769         safestrncpy(firstname, buf, sizeof firstname);
 770         striplt(firstname);
 771
 772         /* Compose the structured name */
 773         snprintf(vname, sizeof vname, "%s;%s;%s;%s;%s", lastname, firstname, middlename,
 774                 honorific_prefixes, honorific_suffixes);
 775
 776         lprintf(CTDL_DEBUG, "Converted <%s> to <%s>\n", usbuf->fullname, vname);
 777
 778         /* Create and save the vCard */
 779         v = vcard_new();
 780         if (v == NULL) return;
 781         sprintf(buf, "%s@%s", usbuf->fullname, config.c_fqdn);
 782         for (i=0; i<strlen(buf); ++i) {
 783                 if (buf[i] == ' ') buf[i] = '_';
 784         }
 785         vcard_add_prop(v, "fn", usbuf->fullname);
 786         vcard_add_prop(v, "n", vname);
 787         vcard_add_prop(v, "adr", "adr:;;_;_;_;00000;__");
 788         vcard_add_prop(v, "email;internet", buf);
 789         vcard_write_user(usbuf, v);
 790         vcard_free(v);
 791 }
 792
 793
 794 /*
 795  * When a user is being deleted, we have to remove his/her vCard.
 796  * This is accomplished by issuing a message with 'CANCEL' in the S (special)
 797  * field, and the same Exclusive ID as the existing card.
 798  */
 799 void vcard_purge(struct ctdluser *usbuf) {
 800         struct CtdlMessage *msg;
 801         char buf[SIZ];
 802
 803         msg = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
 804         if (msg == NULL) return;
 805         memset(msg, 0, sizeof(struct CtdlMessage));
 806
 807         msg->cm_magic = CTDLMESSAGE_MAGIC;
 808         msg->cm_anon_type = MES_NORMAL;
 809         msg->cm_format_type = 0;
 810         msg->cm_fields['A'] = strdup(usbuf->fullname);
 811         msg->cm_fields['O'] = strdup(ADDRESS_BOOK_ROOM);
 812         msg->cm_fields['N'] = strdup(NODENAME);
 813         msg->cm_fields['M'] = strdup("Purge this vCard\n");
 814
 815         snprintf(buf, sizeof buf, VCARD_EXT_FORMAT,
 816                         msg->cm_fields['A'], NODENAME);
 817         msg->cm_fields['E'] = strdup(buf);
 818
 819         msg->cm_fields['S'] = strdup("CANCEL");
 820
 821         CtdlSubmitMsg(msg, NULL, ADDRESS_BOOK_ROOM);
 822         CtdlFreeMessage(msg);
 823 }
 824
 825
 826 /*
 827  * Grab vCard directory stuff out of incoming network messages
 828  */
 829 int vcard_extract_from_network(struct CtdlMessage *msg, char *target_room) {
 830         char *ptr;
 831         int linelen;
 832
 833         if (msg == NULL) return(0);
 834
 835         if (strcasecmp(target_room, ADDRESS_BOOK_ROOM)) {
 836                 return(0);
 837         }
 838
 839         if (msg->cm_format_type != 4) return(0);
 840
 841         ptr = msg->cm_fields['M'];
 842         if (ptr == NULL) return(0);
 843         while (ptr != NULL) {
 844
 845                 linelen = strcspn(ptr, "\n");
 846                 if (linelen == 0) return(0);    /* end of headers */
 847
 848                 if (!strncasecmp(ptr, "Content-type: text/x-vcard", 26)) {
 849                          /* It's a vCard.  Add it to the directory. */
 850                         vcard_extract_internet_addresses(msg,
 851                                                         CtdlDirectoryAddUser);
 852                         return(0);
 853                 }
 854
 855                 ptr = strchr((char *)ptr, '\n');
 856                 if (ptr != NULL) ++ptr;
 857         }
 858
 859         return(0);
 860 }
 861
 862
 863
 864 /*
 865  * When a vCard is being removed from the Global Address Book room, remove it
 866  * from the directory as well.
 867  */
 868 void vcard_delete_remove(char *room, long msgnum) {
 869         struct CtdlMessage *msg;
 870         char *ptr;
 871         int linelen;
 872
 873         if (msgnum <= 0L) return;
 874
 875         if (strcasecmp(room, ADDRESS_BOOK_ROOM)) {
 876                 return;
 877         }
 878
 879         msg = CtdlFetchMessage(msgnum, 1);
 880         if (msg == NULL) return;
 881
 882         ptr = msg->cm_fields['M'];
 883         if (ptr == NULL) goto EOH;
 884         while (ptr != NULL) {
 885                 linelen = strcspn(ptr, "\n");
 886                 if (linelen == 0) goto EOH;
 887
 888                 if (!strncasecmp(ptr, "Content-type: text/x-vcard", 26)) {
 889                         /* Bingo!  A vCard is being deleted.
 890                         */
 891                         vcard_extract_internet_addresses(msg,
 892                                                         CtdlDirectoryDelUser);
 893 #ifdef HAVE_LDAP
 894                         ctdl_vcard_to_ldap(msg, V2L_DELETE);
 895 #endif
 896                 }
 897                 ptr = strchr((char *)ptr, '\n');
 898                 if (ptr != NULL) ++ptr;
 899         }
 900
 901 EOH:    CtdlFreeMessage(msg);
 902 }
 903
 904
 905
 906 /*
 907  * Query Directory
 908  */
 909 void cmd_qdir(char *argbuf) {
 910         char citadel_addr[256];
 911         char internet_addr[256];
 912
 913         if (CtdlAccessCheck(ac_logged_in)) return;
 914
 915         extract_token(internet_addr, argbuf, 0, '|', sizeof internet_addr);
 916
 917         if (CtdlDirectoryLookup(citadel_addr, internet_addr, sizeof citadel_addr) != 0) {
 918                 cprintf("%d %s was not found.\n",
 919                         ERROR + NO_SUCH_USER, internet_addr);
 920                 return;
 921         }
 922
 923         cprintf("%d %s\n", CIT_OK, citadel_addr);
 924 }
 925
 926
 927 /*
 928  * We don't know if the Contacts room exists so we just create it at login
 929  */
 930 void vcard_create_room(void)
 931 {
 932         struct ctdlroom qr;
 933         struct visit vbuf;
 934
 935         /* Create the calendar room if it doesn't already exist */
 936         create_room(USERCONTACTSROOM, 4, "", 0, 1, 0, VIEW_ADDRESSBOOK);
 937
 938         /* Set expiration policy to manual; otherwise objects will be lost! */
 939         if (lgetroom(&qr, USERCONTACTSROOM)) {
 940                 lprintf(CTDL_ERR, "Couldn't get the user CONTACTS room!\n");
 941                 return;
 942         }
 943         qr.QRep.expire_mode = EXPIRE_MANUAL;
 944         qr.QRdefaultview = VIEW_ADDRESSBOOK;    /* 2 = address book view */
 945         lputroom(&qr);
 946
 947         /* Set the view to a calendar view */
 948         CtdlGetRelationship(&vbuf, &CC->user, &qr);
 949         vbuf.v_view = 2;        /* 2 = address book view */
 950         CtdlSetRelationship(&vbuf, &CC->user, &qr);
 951
 952         return;
 953 }
 954
 955
 956
 957
 958 /*
 959  * When a user logs in...
 960  */
 961 void vcard_session_login_hook(void) {
 962         struct vCard *v;
 963
 964         v = vcard_get_user(&CC->user);
 965         vcard_populate_cs_inet_email(v);
 966
 967         vcard_free(v);
 968
 969         vcard_create_room();
 970 }
 971
 972
 973
 974 char *serv_vcard_init(void)
 975 {
 976         struct ctdlroom qr;
 977
 978         CtdlRegisterSessionHook(vcard_session_login_hook, EVT_LOGIN);
 979         CtdlRegisterMessageHook(vcard_upload_beforesave, EVT_BEFORESAVE);
 980         CtdlRegisterMessageHook(vcard_upload_aftersave, EVT_AFTERSAVE);
 981         CtdlRegisterDeleteHook(vcard_delete_remove);
 982         CtdlRegisterProtoHook(cmd_regi, "REGI", "Enter registration info");
 983         CtdlRegisterProtoHook(cmd_greg, "GREG", "Get registration info");
 984         CtdlRegisterProtoHook(cmd_igab, "IGAB",
 985                                         "Initialize Global Address Book");
 986         CtdlRegisterProtoHook(cmd_qdir, "QDIR", "Query Directory");
 987         CtdlRegisterUserHook(vcard_newuser, EVT_NEWUSER);
 988         CtdlRegisterUserHook(vcard_purge, EVT_PURGEUSER);
 989         CtdlRegisterNetprocHook(vcard_extract_from_network);
 990
 991         /* Create the Global ADdress Book room if necessary */
 992         create_room(ADDRESS_BOOK_ROOM, 3, "", 0, 1, 0, VIEW_ADDRESSBOOK);
 993
 994         /* Set expiration policy to manual; otherwise objects will be lost! */
 995         if (!lgetroom(&qr, ADDRESS_BOOK_ROOM)) {
 996                 qr.QRep.expire_mode = EXPIRE_MANUAL;
 997                 qr.QRdefaultview = VIEW_ADDRESSBOOK;    /* 2 = address book view */
 998                 lputroom(&qr);
 999         }
1000
1001         return "$Id$";
1002 }