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  * This little shim function makes sure we're not
 132  */
 133 void vcard_directory_add_user(char *internet_addr, char *citadel_addr) {
 134         char buf[SIZ];
 135
 136         /* We have to validate that we're not stepping on someone else's
 137          * email address ... but only if we're logged in.  Otherwise it's
 138          * probably just the networker or something.
 139          */
 140         if (CC->logged_in) {
 141                 lprintf(CTDL_DEBUG, "Checking for <%s>...\n", internet_addr);
 142                 if (CtdlDirectoryLookup(buf, internet_addr) == 0) {
 143                         if (strcasecmp(buf, citadel_addr)) {
 144                                 /* This address belongs to someone else.
 145                                  * Bail out silently without saving.
 146                                  */
 147                                 lprintf(CTDL_DEBUG, "DOOP!\n");
 148                                 return;
 149                         }
 150                 }
 151         }
 152         lprintf(CTDL_INFO, "Adding %s (%s) to directory\n",
 153                         citadel_addr, internet_addr);
 154         CtdlDirectoryAddUser(internet_addr, citadel_addr);
 155 }
 156
 157
 158 /*
 159  * Back end function for cmd_igab()
 160  */
 161 void vcard_add_to_directory(long msgnum, void *data) {
 162         struct CtdlMessage *msg;
 163
 164         msg = CtdlFetchMessage(msgnum, 1);
 165         if (msg != NULL) {
 166                 vcard_extract_internet_addresses(msg, vcard_directory_add_user);
 167         }
 168
 169 #ifdef HAVE_LDAP
 170         ctdl_vcard_to_ldap(msg, V2L_WRITE);
 171 #endif
 172
 173         CtdlFreeMessage(msg);
 174 }
 175
 176
 177 /*
 178  * Initialize Global Adress Book
 179  */
 180 void cmd_igab(char *argbuf) {
 181         char hold_rm[ROOMNAMELEN];
 182
 183         if (CtdlAccessCheck(ac_aide)) return;
 184
 185         strcpy(hold_rm, CC->room.QRname);       /* save current room */
 186
 187         if (getroom(&CC->room, ADDRESS_BOOK_ROOM) != 0) {
 188                 getroom(&CC->room, hold_rm);
 189                 cprintf("%d cannot get address book room\n", ERROR + ROOM_NOT_FOUND);
 190                 return;
 191         }
 192
 193         /* Empty the existing database first.
 194          */
 195         CtdlDirectoryInit();
 196
 197         /* We want *all* vCards in this room */
 198         CtdlForEachMessage(MSGS_ALL, 0, "text/x-vcard",
 199                 NULL, vcard_add_to_directory, NULL);
 200
 201         getroom(&CC->room, hold_rm);    /* return to saved room */
 202         cprintf("%d Directory has been rebuilt.\n", CIT_OK);
 203 }
 204
 205
 206
 207
 208 /*
 209  * See if there is a valid Internet address in a vCard to use for outbound
 210  * Internet messages.  If there is, stick it in CC->cs_inet_email.
 211  */
 212 void vcard_populate_cs_inet_email(struct vCard *v) {
 213         char *s, *addr;
 214         int continue_searching = 1;
 215         int instance = 0;
 216
 217         /* Go through the vCard searching for *all* instances of
 218          * the "email;internet" key
 219          */
 220         do {
 221                 s = vcard_get_prop(v, "email;internet", 0, instance++, 0);
 222                 if (s != NULL) {
 223                         continue_searching = 1;
 224                         addr = strdup(s);
 225                         striplt(addr);
 226                         if (strlen(addr) > 0) {
 227                                 if (IsDirectory(addr)) {
 228                                         continue_searching = 0;
 229                                         safestrncpy(CC->cs_inet_email,
 230                                                 addr,
 231                                                 sizeof(CC->cs_inet_email)
 232                                         );
 233                                 }
 234                         }
 235                         free(addr);
 236                 }
 237                 else {
 238                         continue_searching = 0;
 239                 }
 240         } while(continue_searching);
 241 }
 242
 243
 244
 245 /*
 246  * This handler detects whether the user is attempting to save a new
 247  * vCard as part of his/her personal configuration, and handles the replace
 248  * function accordingly (delete the user's existing vCard in the config room
 249  * and in the global address book).
 250  */
 251 int vcard_upload_beforesave(struct CtdlMessage *msg) {
 252         char *ptr;
 253         char *s;
 254         int linelen;
 255         char buf[SIZ];
 256         struct ctdluser usbuf;
 257         long what_user;
 258         struct vCard *v = NULL;
 259         char *ser = NULL;
 260         int i = 0;
 261         int yes_my_citadel_config = 0;
 262         int yes_any_vcard_room = 0;
 263
 264         if (!CC->logged_in) return(0);  /* Only do this if logged in. */
 265
 266         /* Is this some user's "My Citadel Config" room? */
 267         if ( (CC->room.QRflags && QR_MAILBOX)
 268            && (!strcasecmp(&CC->room.QRname[11], USERCONFIGROOM)) ) {
 269                 /* Yes, we want to do this */
 270                 yes_my_citadel_config = 1;
 271         }
 272
 273         /* Is this a room with an address book in it? */
 274         if (CC->curr_view == VIEW_ADDRESSBOOK) {
 275                 yes_any_vcard_room = 1;
 276         }
 277
 278         /* If neither condition exists, don't run this hook. */
 279         if ( (!yes_my_citadel_config) && (!yes_any_vcard_room) ) {
 280                 return(0);
 281         }
 282
 283         /* If this isn't a MIME message, don't bother. */
 284         if (msg->cm_format_type != 4) return(0);
 285
 286         /* Ok, if we got this far, look into the situation further... */
 287
 288         ptr = msg->cm_fields['M'];
 289         if (ptr == NULL) return(0);
 290         while (ptr != NULL) {
 291
 292                 linelen = strcspn(ptr, "\n");
 293                 if (linelen == 0) return(0);    /* end of headers */
 294
 295                 if (!strncasecmp(ptr, "Content-type: text/x-vcard", 26)) {
 296
 297
 298                         if (yes_my_citadel_config) {
 299                                 /* Bingo!  The user is uploading a new vCard, so
 300                                  * delete the old one.  First, figure out which user
 301                                  * is being re-registered...
 302                                  */
 303                                 what_user = atol(CC->room.QRname);
 304
 305                                 if (what_user == CC->user.usernum) {
 306                                         /* It's the logged in user.  That was easy. */
 307                                         memcpy(&usbuf, &CC->user,
 308                                                 sizeof(struct ctdluser) );
 309                                 }
 310
 311                                 else if (getuserbynumber(&usbuf, what_user) == 0) {
 312                                         /* We fetched a valid user record */
 313                                 }
 314
 315                                 else {
 316                                         /* No user with that number! */
 317                                         return(0);
 318                                 }
 319
 320                                 /* Delete the user's old vCard.  This would probably
 321                                  * get taken care of by the replication check, but we
 322                                  * want to make sure there is absolutely only one
 323                                  * vCard in the user's config room at all times.
 324                                  */
 325                                 CtdlDeleteMessages(CC->room.QRname,
 326                                                 0L, "text/x-vcard", 1);
 327
 328                                 /* Make the author of the message the name of the user.
 329                                  */
 330                                 if (msg->cm_fields['A'] != NULL) {
 331                                         free(msg->cm_fields['A']);
 332                                 }
 333                                 msg->cm_fields['A'] = strdup(usbuf.fullname);
 334                         }
 335
 336                         /* Manipulate the vCard data structure */
 337                         v = vcard_load(msg->cm_fields['M']);
 338                         if (v != NULL) {
 339
 340                                 /* Insert or replace RFC2739-compliant free/busy URL */
 341                                 if (yes_my_citadel_config) {
 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
 351                                 /* If this is an address book room, and the vCard has
 352                                  * no UID, then give it one.
 353                                  */
 354                                 if (yes_any_vcard_room) {
 355                                         s = vcard_get_prop(v, "UID", 0, 0, 0);
 356                                         if (s == NULL) {
 357                                                 generate_uuid(buf);
 358                                                 vcard_set_prop(v, "UID", buf, 0);
 359                                         }
 360                                 }
 361
 362                                 /* Enforce local UID policy if applicable */
 363                                 if (yes_my_citadel_config) {
 364                                         snprintf(buf, sizeof buf, VCARD_EXT_FORMAT,
 365                                                 msg->cm_fields['A'], NODENAME);
 366                                         vcard_set_prop(v, "UID", buf, 0);
 367                                 }
 368
 369                                 /*
 370                                  * Set the EUID of the message to the UID of the vCard.
 371                                  */
 372                                 if (msg->cm_fields['E'] != NULL) free(msg->cm_fields['E']);
 373                                 s = vcard_get_prop(v, "UID", 0, 0, 0);
 374                                 if (s != NULL) {
 375                                         msg->cm_fields['E'] = strdup(s);
 376                                         if (msg->cm_fields['U'] == NULL) {
 377                                                 msg->cm_fields['U'] = strdup(s);
 378                                         }
 379                                 }
 380
 381                                 /*
 382                                  * Set the Subject to the name in the vCard.
 383                                  */
 384                                 s = vcard_get_prop(v, "FN", 0, 0, 0);
 385                                 if (s == NULL) {
 386                                         s = vcard_get_prop(v, "N", 0, 0, 0);
 387                                 }
 388                                 if (s != NULL) {
 389                                         if (msg->cm_fields['U'] != NULL) {
 390                                                 free(msg->cm_fields['U']);
 391                                         }
 392                                         msg->cm_fields['U'] = strdup(s);
 393                                 }
 394
 395                                 /* Re-serialize it back into the msg body */
 396                                 ser = vcard_serialize(v);
 397                                 if (ser != NULL) {
 398                                         msg->cm_fields['M'] = realloc(
 399                                                 msg->cm_fields['M'],
 400                                                 strlen(ser) + 1024
 401                                         );
 402                                         sprintf(msg->cm_fields['M'],
 403                                                 "Content-type: text/x-vcard"
 404                                                 "\r\n\r\n%s\r\n", ser);
 405                                         free(ser);
 406                                 }
 407                                 vcard_free(v);
 408                         }
 409
 410                         /* Now allow the save to complete. */
 411                         return(0);
 412                 }
 413
 414                 ptr = strchr((char *)ptr, '\n');
 415                 if (ptr != NULL) ++ptr;
 416         }
 417
 418         return(0);
 419 }
 420
 421
 422
 423 /*
 424  * This handler detects whether the user is attempting to save a new
 425  * vCard as part of his/her personal configuration, and handles the replace
 426  * function accordingly (copy the vCard from the config room to the global
 427  * address book).
 428  */
 429 int vcard_upload_aftersave(struct CtdlMessage *msg) {
 430         char *ptr;
 431         int linelen;
 432         long I;
 433         struct vCard *v;
 434
 435         if (!CC->logged_in) return(0);  /* Only do this if logged in. */
 436
 437         /* If this isn't the configuration room, or if this isn't a MIME
 438          * message, don't bother.
 439          */
 440         if (msg->cm_fields['O'] == NULL) return(0);
 441         if (strcasecmp(msg->cm_fields['O'], USERCONFIGROOM)) return(0);
 442         if (msg->cm_format_type != 4) return(0);
 443
 444         ptr = msg->cm_fields['M'];
 445         if (ptr == NULL) return(0);
 446         while (ptr != NULL) {
 447
 448                 linelen = strcspn(ptr, "\n");
 449                 if (linelen == 0) return(0);    /* end of headers */
 450
 451                 if (!strncasecmp(ptr, "Content-type: text/x-vcard", 26)) {
 452                         /* Bingo!  The user is uploading a new vCard, so
 453                          * copy it to the Global Address Book room.
 454                          */
 455
 456                         I = atol(msg->cm_fields['I']);
 457                         if (I < 0L) return(0);
 458
 459                         /* Store our Internet return address in memory */
 460                         v = vcard_load(msg->cm_fields['M']);
 461                         vcard_populate_cs_inet_email(v);
 462                         vcard_free(v);
 463
 464                         /* Put it in the Global Address Book room... */
 465                         CtdlSaveMsgPointerInRoom(ADDRESS_BOOK_ROOM, I,
 466                                 (SM_VERIFY_GOODNESS | SM_DO_REPL_CHECK) );
 467
 468                         /* ...and also in the directory database. */
 469                         vcard_add_to_directory(I, NULL);
 470
 471                         /* Some sites want an Aide to be notified when a
 472                          * user registers or re-registers...
 473                          */
 474                         set_mm_valid();
 475
 476                         /* ...which also means we need to flag the user */
 477                         lgetuser(&CC->user, CC->curr_user);
 478                         CC->user.flags |= (US_REGIS|US_NEEDVALID);
 479                         lputuser(&CC->user);
 480
 481                         return(0);
 482                 }
 483
 484                 ptr = strchr((char *)ptr, '\n');
 485                 if (ptr != NULL) ++ptr;
 486         }
 487
 488         return(0);
 489 }
 490
 491
 492
 493 /*
 494  * back end function used for callbacks
 495  */
 496 void vcard_gu_backend(long supplied_msgnum, void *userdata) {
 497         long *msgnum;
 498
 499         msgnum = (long *) userdata;
 500         *msgnum = supplied_msgnum;
 501 }
 502
 503
 504 /*
 505  * If this user has a vcard on disk, read it into memory, otherwise allocate
 506  * and return an empty vCard.
 507  */
 508 struct vCard *vcard_get_user(struct ctdluser *u) {
 509         char hold_rm[ROOMNAMELEN];
 510         char config_rm[ROOMNAMELEN];
 511         struct CtdlMessage *msg;
 512         struct vCard *v;
 513         long VCmsgnum;
 514
 515         strcpy(hold_rm, CC->room.QRname);       /* save current room */
 516         MailboxName(config_rm, sizeof config_rm, u, USERCONFIGROOM);
 517
 518         if (getroom(&CC->room, config_rm) != 0) {
 519                 getroom(&CC->room, hold_rm);
 520                 return vcard_new();
 521         }
 522
 523         /* We want the last (and probably only) vcard in this room */
 524         VCmsgnum = (-1);
 525         CtdlForEachMessage(MSGS_LAST, 1, "text/x-vcard",
 526                 NULL, vcard_gu_backend, (void *)&VCmsgnum );
 527         getroom(&CC->room, hold_rm);    /* return to saved room */
 528
 529         if (VCmsgnum < 0L) return vcard_new();
 530
 531         msg = CtdlFetchMessage(VCmsgnum, 1);
 532         if (msg == NULL) return vcard_new();
 533
 534         v = vcard_load(msg->cm_fields['M']);
 535         CtdlFreeMessage(msg);
 536         return v;
 537 }
 538
 539
 540 /*
 541  * Store this user's vCard in the appropriate place
 542  */
 543 /*
 544  * Write our config to disk
 545  */
 546 void vcard_write_user(struct ctdluser *u, struct vCard *v) {
 547         char temp[PATH_MAX];
 548         FILE *fp;
 549         char *ser;
 550
 551         strcpy(temp, tmpnam(NULL));
 552         ser = vcard_serialize(v);
 553
 554         fp = fopen(temp, "w");
 555         if (fp == NULL) return;
 556         if (ser == NULL) {
 557                 fprintf(fp, "begin:vcard\r\nend:vcard\r\n");
 558         } else {
 559                 fwrite(ser, strlen(ser), 1, fp);
 560                 free(ser);
 561         }
 562         fclose(fp);
 563
 564         /* This handy API function does all the work for us.
 565          * NOTE: normally we would want to set that last argument to 1, to
 566          * force the system to delete the user's old vCard.  But it doesn't
 567          * have to, because the vcard_upload_beforesave() hook above
 568          * is going to notice what we're trying to do, and delete the old vCard.
 569          */
 570         CtdlWriteObject(USERCONFIGROOM, /* which room */
 571                         "text/x-vcard", /* MIME type */
 572                         temp,           /* temp file */
 573                         u,              /* which user */
 574                         0,              /* not binary */
 575                         0,              /* don't delete others of this type */
 576                         0);             /* no flags */
 577
 578         unlink(temp);
 579 }
 580
 581
 582
 583 /*
 584  * Old style "enter registration info" command.  This function simply honors
 585  * the REGI protocol command, translates the entered parameters into a vCard,
 586  * and enters the vCard into the user's configuration.
 587  */
 588 void cmd_regi(char *argbuf) {
 589         int a,b,c;
 590         char buf[SIZ];
 591         struct vCard *my_vcard;
 592
 593         char tmpaddr[SIZ];
 594         char tmpcity[SIZ];
 595         char tmpstate[SIZ];
 596         char tmpzip[SIZ];
 597         char tmpaddress[SIZ];
 598         char tmpcountry[SIZ];
 599
 600         unbuffer_output();
 601
 602         if (!(CC->logged_in)) {
 603                 cprintf("%d Not logged in.\n",ERROR + NOT_LOGGED_IN);
 604                 return;
 605         }
 606
 607         my_vcard = vcard_get_user(&CC->user);
 608         strcpy(tmpaddr, "");
 609         strcpy(tmpcity, "");
 610         strcpy(tmpstate, "");
 611         strcpy(tmpzip, "");
 612         strcpy(tmpcountry, "USA");
 613
 614         cprintf("%d Send registration...\n", SEND_LISTING);
 615         a=0;
 616         while (client_getln(buf, sizeof buf), strcmp(buf,"000")) {
 617                 if (a==0) vcard_set_prop(my_vcard, "n", buf, 0);
 618                 if (a==1) strcpy(tmpaddr, buf);
 619                 if (a==2) strcpy(tmpcity, buf);
 620                 if (a==3) strcpy(tmpstate, buf);
 621                 if (a==4) {
 622                         for (c=0; c<strlen(buf); ++c) {
 623                                 if ((buf[c]>='0') && (buf[c]<='9')) {
 624                                         b = strlen(tmpzip);
 625                                         tmpzip[b] = buf[c];
 626                                         tmpzip[b+1] = 0;
 627                                 }
 628                         }
 629                 }
 630                 if (a==5) vcard_set_prop(my_vcard, "tel;home", buf, 0);
 631                 if (a==6) vcard_set_prop(my_vcard, "email;internet", buf, 0);
 632                 if (a==7) strcpy(tmpcountry, buf);
 633                 ++a;
 634         }
 635
 636         snprintf(tmpaddress, sizeof tmpaddress, ";;%s;%s;%s;%s;%s",
 637                 tmpaddr, tmpcity, tmpstate, tmpzip, tmpcountry);
 638         vcard_set_prop(my_vcard, "adr", tmpaddress, 0);
 639         vcard_write_user(&CC->user, my_vcard);
 640         vcard_free(my_vcard);
 641 }
 642
 643
 644 /*
 645  * Protocol command to fetch registration info for a user
 646  */
 647 void cmd_greg(char *argbuf)
 648 {
 649         struct ctdluser usbuf;
 650         struct vCard *v;
 651         char *s;
 652         char who[USERNAME_SIZE];
 653         char adr[256];
 654         char buf[256];
 655
 656         extract_token(who, argbuf, 0, '|', sizeof who);
 657
 658         if (!(CC->logged_in)) {
 659                 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
 660                 return;
 661         }
 662
 663         if (!strcasecmp(who,"_SELF_")) strcpy(who,CC->curr_user);
 664
 665         if ((CC->user.axlevel < 6) && (strcasecmp(who,CC->curr_user))) {
 666                 cprintf("%d Higher access required.\n",
 667                         ERROR + HIGHER_ACCESS_REQUIRED);
 668                 return;
 669         }
 670
 671         if (getuser(&usbuf, who) != 0) {
 672                 cprintf("%d '%s' not found.\n", ERROR + NO_SUCH_USER, who);
 673                 return;
 674         }
 675
 676         v = vcard_get_user(&usbuf);
 677
 678         cprintf("%d %s\n", LISTING_FOLLOWS, usbuf.fullname);
 679         cprintf("%ld\n", usbuf.usernum);
 680         cprintf("%s\n", usbuf.password);
 681         s = vcard_get_prop(v, "n", 0, 0, 0);
 682         cprintf("%s\n", s ? s : " ");   /* name */
 683
 684         s = vcard_get_prop(v, "adr", 0, 0, 0);
 685         snprintf(adr, sizeof adr, "%s", s ? s : " ");/* address... */
 686
 687         extract_token(buf, adr, 2, ';', sizeof buf);
 688         cprintf("%s\n", buf);                           /* street */
 689         extract_token(buf, adr, 3, ';', sizeof buf);
 690         cprintf("%s\n", buf);                           /* city */
 691         extract_token(buf, adr, 4, ';', sizeof buf);
 692         cprintf("%s\n", buf);                           /* state */
 693         extract_token(buf, adr, 5, ';', sizeof buf);
 694         cprintf("%s\n", buf);                           /* zip */
 695
 696         s = vcard_get_prop(v, "tel;home", 0, 0, 0);
 697         if (s == NULL) s = vcard_get_prop(v, "tel", 1, 0, 0);
 698         if (s != NULL) {
 699                 cprintf("%s\n", s);
 700         }
 701         else {
 702                 cprintf(" \n");
 703         }
 704
 705         cprintf("%d\n", usbuf.axlevel);
 706
 707         s = vcard_get_prop(v, "email;internet", 0, 0, 0);
 708         cprintf("%s\n", s ? s : " ");
 709         s = vcard_get_prop(v, "adr", 0, 0, 0);
 710         snprintf(adr, sizeof adr, "%s", s ? s : " ");/* address... */
 711
 712         extract_token(buf, adr, 6, ';', sizeof buf);
 713         cprintf("%s\n", buf);                           /* country */
 714         cprintf("000\n");
 715 }
 716
 717
 718 /*
 719  * When a user is being created, create his/her vCard.
 720  */
 721 void vcard_newuser(struct ctdluser *usbuf) {
 722         char buf[256];
 723         char vname[256];
 724
 725         char lastname[256];
 726         char firstname[256];
 727         char middlename[256];
 728         char honorific_prefixes[256];
 729         char honorific_suffixes[256];
 730
 731         struct vCard *v;
 732         int i;
 733
 734         /* Try to intelligently convert the screen name to a
 735          * fully expanded vCard name based on the number of
 736          * words in the name
 737          */
 738         safestrncpy(lastname, "", sizeof lastname);
 739         safestrncpy(firstname, "", sizeof firstname);
 740         safestrncpy(middlename, "", sizeof middlename);
 741         safestrncpy(honorific_prefixes, "", sizeof honorific_prefixes);
 742         safestrncpy(honorific_suffixes, "", sizeof honorific_suffixes);
 743
 744         safestrncpy(buf, usbuf->fullname, sizeof buf);
 745
 746         /* Honorific suffixes */
 747         if (num_tokens(buf, ',') > 1) {
 748                 extract_token(honorific_suffixes, buf, (num_tokens(buf, ' ') - 1), ',',
 749                         sizeof honorific_suffixes);
 750                 remove_token(buf, (num_tokens(buf, ',') - 1), ',');
 751         }
 752
 753         /* Find a last name */
 754         extract_token(lastname, buf, (num_tokens(buf, ' ') - 1), ' ', sizeof lastname);
 755         remove_token(buf, (num_tokens(buf, ' ') - 1), ' ');
 756
 757         /* Find honorific prefixes */
 758         if (num_tokens(buf, ' ') > 2) {
 759                 extract_token(honorific_prefixes, buf, 0, ' ', sizeof honorific_prefixes);
 760                 remove_token(buf, 0, ' ');
 761         }
 762
 763         /* Find a middle name */
 764         if (num_tokens(buf, ' ') > 1) {
 765                 extract_token(middlename, buf, (num_tokens(buf, ' ') - 1), ' ', sizeof middlename);
 766                 remove_token(buf, (num_tokens(buf, ' ') - 1), ' ');
 767         }
 768
 769         /* Anything left is probably the first name */
 770         safestrncpy(firstname, buf, sizeof firstname);
 771         striplt(firstname);
 772
 773         /* Compose the structured name */
 774         snprintf(vname, sizeof vname, "%s;%s;%s;%s;%s", lastname, firstname, middlename,
 775                 honorific_prefixes, honorific_suffixes);
 776
 777         lprintf(CTDL_DEBUG, "Converted <%s> to <%s>\n", usbuf->fullname, vname);
 778
 779         /* Create and save the vCard */
 780         v = vcard_new();
 781         if (v == NULL) return;
 782         sprintf(buf, "%s@%s", usbuf->fullname, config.c_fqdn);
 783         for (i=0; i<strlen(buf); ++i) {
 784                 if (buf[i] == ' ') buf[i] = '_';
 785         }
 786         vcard_add_prop(v, "fn", usbuf->fullname);
 787         vcard_add_prop(v, "n", vname);
 788         vcard_add_prop(v, "adr", "adr:;;_;_;_;00000;__");
 789         vcard_add_prop(v, "email;internet", buf);
 790         vcard_write_user(usbuf, v);
 791         vcard_free(v);
 792 }
 793
 794
 795 /*
 796  * When a user is being deleted, we have to remove his/her vCard.
 797  * This is accomplished by issuing a message with 'CANCEL' in the S (special)
 798  * field, and the same Exclusive ID as the existing card.
 799  */
 800 void vcard_purge(struct ctdluser *usbuf) {
 801         struct CtdlMessage *msg;
 802         char buf[SIZ];
 803
 804         msg = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
 805         if (msg == NULL) return;
 806         memset(msg, 0, sizeof(struct CtdlMessage));
 807
 808         msg->cm_magic = CTDLMESSAGE_MAGIC;
 809         msg->cm_anon_type = MES_NORMAL;
 810         msg->cm_format_type = 0;
 811         msg->cm_fields['A'] = strdup(usbuf->fullname);
 812         msg->cm_fields['O'] = strdup(ADDRESS_BOOK_ROOM);
 813         msg->cm_fields['N'] = strdup(NODENAME);
 814         msg->cm_fields['M'] = strdup("Purge this vCard\n");
 815
 816         snprintf(buf, sizeof buf, VCARD_EXT_FORMAT,
 817                         msg->cm_fields['A'], NODENAME);
 818         msg->cm_fields['E'] = strdup(buf);
 819
 820         msg->cm_fields['S'] = strdup("CANCEL");
 821
 822         CtdlSubmitMsg(msg, NULL, ADDRESS_BOOK_ROOM);
 823         CtdlFreeMessage(msg);
 824 }
 825
 826
 827 /*
 828  * Grab vCard directory stuff out of incoming network messages
 829  */
 830 int vcard_extract_from_network(struct CtdlMessage *msg, char *target_room) {
 831         char *ptr;
 832         int linelen;
 833
 834         if (msg == NULL) return(0);
 835
 836         if (strcasecmp(target_room, ADDRESS_BOOK_ROOM)) {
 837                 return(0);
 838         }
 839
 840         if (msg->cm_format_type != 4) return(0);
 841
 842         ptr = msg->cm_fields['M'];
 843         if (ptr == NULL) return(0);
 844         while (ptr != NULL) {
 845
 846                 linelen = strcspn(ptr, "\n");
 847                 if (linelen == 0) return(0);    /* end of headers */
 848
 849                 if (!strncasecmp(ptr, "Content-type: text/x-vcard", 26)) {
 850                          /* It's a vCard.  Add it to the directory. */
 851                         vcard_extract_internet_addresses(msg,
 852                                                         CtdlDirectoryAddUser);
 853                         return(0);
 854                 }
 855
 856                 ptr = strchr((char *)ptr, '\n');
 857                 if (ptr != NULL) ++ptr;
 858         }
 859
 860         return(0);
 861 }
 862
 863
 864
 865 /*
 866  * When a vCard is being removed from the Global Address Book room, remove it
 867  * from the directory as well.
 868  */
 869 void vcard_delete_remove(char *room, long msgnum) {
 870         struct CtdlMessage *msg;
 871         char *ptr;
 872         int linelen;
 873
 874         if (msgnum <= 0L) return;
 875
 876         if (strcasecmp(room, ADDRESS_BOOK_ROOM)) {
 877                 return;
 878         }
 879
 880         msg = CtdlFetchMessage(msgnum, 1);
 881         if (msg == NULL) return;
 882
 883         ptr = msg->cm_fields['M'];
 884         if (ptr == NULL) goto EOH;
 885         while (ptr != NULL) {
 886                 linelen = strcspn(ptr, "\n");
 887                 if (linelen == 0) goto EOH;
 888
 889                 if (!strncasecmp(ptr, "Content-type: text/x-vcard", 26)) {
 890                         /* Bingo!  A vCard is being deleted.
 891                         */
 892                         vcard_extract_internet_addresses(msg,
 893                                                         CtdlDirectoryDelUser);
 894 #ifdef HAVE_LDAP
 895                         ctdl_vcard_to_ldap(msg, V2L_DELETE);
 896 #endif
 897                 }
 898                 ptr = strchr((char *)ptr, '\n');
 899                 if (ptr != NULL) ++ptr;
 900         }
 901
 902 EOH:    CtdlFreeMessage(msg);
 903 }
 904
 905
 906
 907 /*
 908  * Query Directory
 909  */
 910 void cmd_qdir(char *argbuf) {
 911         char citadel_addr[256];
 912         char internet_addr[256];
 913
 914         if (CtdlAccessCheck(ac_logged_in)) return;
 915
 916         extract_token(internet_addr, argbuf, 0, '|', sizeof internet_addr);
 917
 918         if (CtdlDirectoryLookup(citadel_addr, internet_addr) != 0) {
 919                 cprintf("%d %s was not found.\n",
 920                         ERROR + NO_SUCH_USER, internet_addr);
 921                 return;
 922         }
 923
 924         cprintf("%d %s\n", CIT_OK, citadel_addr);
 925 }
 926
 927
 928 /*
 929  * We don't know if the Contacts room exists so we just create it at login
 930  */
 931 void vcard_create_room(void)
 932 {
 933         struct ctdlroom qr;
 934         struct visit vbuf;
 935
 936         /* Create the calendar room if it doesn't already exist */
 937         create_room(USERCONTACTSROOM, 4, "", 0, 1, 0, VIEW_ADDRESSBOOK);
 938
 939         /* Set expiration policy to manual; otherwise objects will be lost! */
 940         if (lgetroom(&qr, USERCONTACTSROOM)) {
 941                 lprintf(CTDL_ERR, "Couldn't get the user CONTACTS room!\n");
 942                 return;
 943         }
 944         qr.QRep.expire_mode = EXPIRE_MANUAL;
 945         qr.QRdefaultview = VIEW_ADDRESSBOOK;    /* 2 = address book view */
 946         lputroom(&qr);
 947
 948         /* Set the view to a calendar view */
 949         CtdlGetRelationship(&vbuf, &CC->user, &qr);
 950         vbuf.v_view = 2;        /* 2 = address book view */
 951         CtdlSetRelationship(&vbuf, &CC->user, &qr);
 952
 953         return;
 954 }
 955
 956
 957
 958
 959 /*
 960  * When a user logs in...
 961  */
 962 void vcard_session_login_hook(void) {
 963         struct vCard *v;
 964
 965         v = vcard_get_user(&CC->user);
 966         vcard_populate_cs_inet_email(v);
 967
 968         vcard_free(v);
 969
 970         vcard_create_room();
 971 }
 972
 973
 974
 975 char *serv_vcard_init(void)
 976 {
 977         struct ctdlroom qr;
 978
 979         CtdlRegisterSessionHook(vcard_session_login_hook, EVT_LOGIN);
 980         CtdlRegisterMessageHook(vcard_upload_beforesave, EVT_BEFORESAVE);
 981         CtdlRegisterMessageHook(vcard_upload_aftersave, EVT_AFTERSAVE);
 982         CtdlRegisterDeleteHook(vcard_delete_remove);
 983         CtdlRegisterProtoHook(cmd_regi, "REGI", "Enter registration info");
 984         CtdlRegisterProtoHook(cmd_greg, "GREG", "Get registration info");
 985         CtdlRegisterProtoHook(cmd_igab, "IGAB",
 986                                         "Initialize Global Address Book");
 987         CtdlRegisterProtoHook(cmd_qdir, "QDIR", "Query Directory");
 988         CtdlRegisterUserHook(vcard_newuser, EVT_NEWUSER);
 989         CtdlRegisterUserHook(vcard_purge, EVT_PURGEUSER);
 990         CtdlRegisterNetprocHook(vcard_extract_from_network);
 991
 992         /* Create the Global ADdress Book room if necessary */
 993         create_room(ADDRESS_BOOK_ROOM, 3, "", 0, 1, 0, VIEW_ADDRESSBOOK);
 994
 995         /* Set expiration policy to manual; otherwise objects will be lost! */
 996         if (!lgetroom(&qr, ADDRESS_BOOK_ROOM)) {
 997                 qr.QRep.expire_mode = EXPIRE_MANUAL;
 998                 qr.QRdefaultview = VIEW_ADDRESSBOOK;    /* 2 = address book view */
 999                 lputroom(&qr);
1000         }
1001
1002         return "$Id$";
1003 }