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