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  * Format of the "Exclusive ID" field of the message containing a user's
  12  * vCard.  Doesn't matter what it really looks like as long as it's both
  13  * unique and consistent (because we use it for replication checking to
  14  * delete the old vCard network-wide when the user enters a new one).
  15  */
  16 #define VCARD_EXT_FORMAT        "Citadel vCard: personal card for %s at %s"
  17
  18
  19 #include "sysdep.h"
  20 #include <stdlib.h>
  21 #include <unistd.h>
  22 #include <stdio.h>
  23 #include <fcntl.h>
  24 #include <signal.h>
  25 #include <pwd.h>
  26 #include <errno.h>
  27 #include <ctype.h>
  28 #include <sys/types.h>
  29
  30 #if TIME_WITH_SYS_TIME
  31 # include <sys/time.h>
  32 # include <time.h>
  33 #else
  34 # if HAVE_SYS_TIME_H
  35 #  include <sys/time.h>
  36 # else
  37 #  include <time.h>
  38 # endif
  39 #endif
  40
  41 #include <sys/wait.h>
  42 #include <string.h>
  43 #include <limits.h>
  44 #include "citadel.h"
  45 #include "server.h"
  46 #include "sysdep_decls.h"
  47 #include "citserver.h"
  48 #include "support.h"
  49 #include "config.h"
  50 #include "control.h"
  51 #include "serv_extensions.h"
  52 #include "room_ops.h"
  53 #include "user_ops.h"
  54 #include "policy.h"
  55 #include "database.h"
  56 #include "msgbase.h"
  57 #include "internet_addressing.h"
  58 #include "tools.h"
  59 #include "vcard.h"
  60 #include "serv_ldap.h"
  61
  62 /*
  63  * set global flag calling for an aide to validate new users
  64  */
  65 void set_mm_valid(void) {
  66         begin_critical_section(S_CONTROL);
  67         get_control();
  68         CitControl.MMflags = CitControl.MMflags | MM_VALID ;
  69         put_control();
  70         end_critical_section(S_CONTROL);
  71 }
  72
  73
  74
  75 /*
  76  * Extract Internet e-mail addresses from a message containing a vCard, and
  77  * perform a callback for any found.
  78  */
  79 void vcard_extract_internet_addresses(struct CtdlMessage *msg,
  80                                 void (*callback)(char *, char *) ) {
  81         struct vCard *v;
  82         char *s;
  83         char *addr;
  84         char citadel_address[SIZ];
  85         int instance = 0;
  86         int found_something = 0;
  87
  88         if (msg->cm_fields['A'] == NULL) return;
  89         if (msg->cm_fields['N'] == NULL) return;
  90         snprintf(citadel_address, sizeof citadel_address, "%s @ %s",
  91                 msg->cm_fields['A'], msg->cm_fields['N']);
  92
  93         v = vcard_load(msg->cm_fields['M']);
  94         if (v == NULL) return;
  95
  96         /* Go through the vCard searching for *all* instances of
  97          * the "email;internet" key
  98          */
  99         do {
 100                 s = vcard_get_prop(v, "email;internet", 0, instance++, 0);
 101                 if (s != NULL) {
 102                         addr = strdup(s);
 103                         striplt(addr);
 104                         if (strlen(addr) > 0) {
 105                                 if (callback != NULL) {
 106                                         callback(addr, citadel_address);
 107                                 }
 108                         }
 109                         free(addr);
 110                         found_something = 1;
 111                 }
 112                 else {
 113                         found_something = 0;
 114                 }
 115         } while(found_something);
 116
 117         vcard_free(v);
 118 }
 119
 120
 121
 122 /*
 123  * Callback for vcard_add_to_directory()
 124  * (Lotsa ugly nested callbacks.  Oh well.)
 125  */
 126 void vcard_directory_add_user(char *internet_addr, char *citadel_addr) {
 127         char buf[SIZ];
 128
 129         /* We have to validate that we're not stepping on someone else's
 130          * email address ... but only if we're logged in.  Otherwise it's
 131          * probably just the networker or something.
 132          */
 133         if (CC->logged_in) {
 134                 lprintf(CTDL_DEBUG, "Checking for <%s>...\n", internet_addr);
 135                 if (CtdlDirectoryLookup(buf, internet_addr, sizeof buf) == 0) {
 136                         if (strcasecmp(buf, citadel_addr)) {
 137                                 /* This address belongs to someone else.
 138                                  * Bail out silently without saving.
 139                                  */
 140                                 lprintf(CTDL_DEBUG, "DOOP!\n");
 141                                 return;
 142                         }
 143                 }
 144         }
 145         lprintf(CTDL_INFO, "Adding %s (%s) to directory\n",
 146                         citadel_addr, internet_addr);
 147         CtdlDirectoryAddUser(internet_addr, citadel_addr);
 148 }
 149
 150
 151 /*
 152  * Back end function for cmd_igab()
 153  */
 154 void vcard_add_to_directory(long msgnum, void *data) {
 155         struct CtdlMessage *msg;
 156
 157         msg = CtdlFetchMessage(msgnum, 1);
 158         if (msg != NULL) {
 159                 vcard_extract_internet_addresses(msg, vcard_directory_add_user);
 160         }
 161
 162 #ifdef HAVE_LDAP
 163         ctdl_vcard_to_ldap(msg, V2L_WRITE);
 164 #endif
 165
 166         CtdlFreeMessage(msg);
 167 }
 168
 169
 170 /*
 171  * Initialize Global Adress Book
 172  */
 173 void cmd_igab(char *argbuf) {
 174         char hold_rm[ROOMNAMELEN];
 175
 176         if (CtdlAccessCheck(ac_aide)) return;
 177
 178         strcpy(hold_rm, CC->room.QRname);       /* save current room */
 179
 180         if (getroom(&CC->room, ADDRESS_BOOK_ROOM) != 0) {
 181                 getroom(&CC->room, hold_rm);
 182                 cprintf("%d cannot get address book room\n", ERROR + ROOM_NOT_FOUND);
 183                 return;
 184         }
 185
 186         /* Empty the existing database first.
 187          */
 188         CtdlDirectoryInit();
 189
 190         /* We want *all* vCards in this room */
 191         CtdlForEachMessage(MSGS_ALL, 0, "text/x-vcard",
 192                 NULL, vcard_add_to_directory, NULL);
 193
 194         getroom(&CC->room, hold_rm);    /* return to saved room */
 195         cprintf("%d Directory has been rebuilt.\n", CIT_OK);
 196 }
 197
 198
 199
 200
 201 /*
 202  * See if there is a valid Internet address in a vCard to use for outbound
 203  * Internet messages.  If there is, stick it in the buffer.
 204  */
 205 void extract_primary_inet_email(char *emailaddrbuf, size_t emailaddrbuf_len, struct vCard *v) {
 206         char *s, *addr;
 207         int continue_searching = 1;
 208         int instance = 0;
 209
 210         /* Go through the vCard searching for *all* instances of
 211          * the "email;internet" key
 212          */
 213         do {
 214                 s = vcard_get_prop(v, "email;internet", 0, instance++, 0);
 215                 if (s != NULL) {
 216                         continue_searching = 1;
 217                         addr = strdup(s);
 218                         striplt(addr);
 219                         if (strlen(addr) > 0) {
 220                                 if (IsDirectory(addr)) {
 221                                         continue_searching = 0;
 222                                         safestrncpy(emailaddrbuf, addr,
 223                                                 emailaddrbuf_len);
 224                                 }
 225                         }
 226                         free(addr);
 227                 }
 228                 else {
 229                         continue_searching = 0;
 230                 }
 231         } while(continue_searching);
 232 }
 233
 234
 235
 236 /*
 237  * This handler detects whether the user is attempting to save a new
 238  * vCard as part of his/her personal configuration, and handles the replace
 239  * function accordingly (delete the user's existing vCard in the config room
 240  * and in the global address book).
 241  */
 242 int vcard_upload_beforesave(struct CtdlMessage *msg) {
 243         char *ptr;
 244         char *s;
 245         int linelen;
 246         char buf[SIZ];
 247         struct ctdluser usbuf;
 248         long what_user;
 249         struct vCard *v = NULL;
 250         char *ser = NULL;
 251         int i = 0;
 252         int yes_my_citadel_config = 0;
 253         int yes_any_vcard_room = 0;
 254
 255         if (!CC->logged_in) return(0);  /* Only do this if logged in. */
 256
 257         /* Is this some user's "My Citadel Config" room? */
 258         if ( (CC->room.QRflags && QR_MAILBOX)
 259            && (!strcasecmp(&CC->room.QRname[11], USERCONFIGROOM)) ) {
 260                 /* Yes, we want to do this */
 261                 yes_my_citadel_config = 1;
 262         }
 263
 264         /* Is this a room with an address book in it? */
 265         if (CC->curr_view == VIEW_ADDRESSBOOK) {
 266                 yes_any_vcard_room = 1;
 267         }
 268
 269         /* If neither condition exists, don't run this hook. */
 270         if ( (!yes_my_citadel_config) && (!yes_any_vcard_room) ) {
 271                 return(0);
 272         }
 273
 274         /* If this isn't a MIME message, don't bother. */
 275         if (msg->cm_format_type != 4) return(0);
 276
 277         /* Ok, if we got this far, look into the situation further... */
 278
 279         ptr = msg->cm_fields['M'];
 280         if (ptr == NULL) return(0);
 281         while (ptr != NULL) {
 282
 283                 linelen = strcspn(ptr, "\n");
 284                 if (linelen == 0) return(0);    /* end of headers */
 285
 286                 if (!strncasecmp(ptr, "Content-type: text/x-vcard", 26)) {
 287
 288
 289                         if (yes_my_citadel_config) {
 290                                 /* Bingo!  The user is uploading a new vCard, so
 291                                  * delete the old one.  First, figure out which user
 292                                  * is being re-registered...
 293                                  */
 294                                 what_user = atol(CC->room.QRname);
 295
 296                                 if (what_user == CC->user.usernum) {
 297                                         /* It's the logged in user.  That was easy. */
 298                                         memcpy(&usbuf, &CC->user,
 299                                                 sizeof(struct ctdluser) );
 300                                 }
 301
 302                                 else if (getuserbynumber(&usbuf, what_user) == 0) {
 303                                         /* We fetched a valid user record */
 304                                 }
 305
 306                                 else {
 307                                         /* No user with that number! */
 308                                         return(0);
 309                                 }
 310
 311                                 /* Delete the user's old vCard.  This would probably
 312                                  * get taken care of by the replication check, but we
 313                                  * want to make sure there is absolutely only one
 314                                  * vCard in the user's config room at all times.
 315                                  */
 316                                 CtdlDeleteMessages(CC->room.QRname,
 317                                                 0L, "text/x-vcard", 1);
 318
 319                                 /* Make the author of the message the name of the user.
 320                                  */
 321                                 if (msg->cm_fields['A'] != NULL) {
 322                                         free(msg->cm_fields['A']);
 323                                 }
 324                                 msg->cm_fields['A'] = strdup(usbuf.fullname);
 325                         }
 326
 327                         /* Manipulate the vCard data structure */
 328                         v = vcard_load(msg->cm_fields['M']);
 329                         if (v != NULL) {
 330
 331                                 /* Insert or replace RFC2739-compliant free/busy URL */
 332                                 if (yes_my_citadel_config) {
 333                                         sprintf(buf, "http://%s/%s.vfb",
 334                                                 config.c_fqdn,
 335                                                 usbuf.fullname);
 336                                         for (i=0; i<strlen(buf); ++i) {
 337                                                 if (buf[i] == ' ') buf[i] = '_';
 338                                         }
 339                                         vcard_set_prop(v, "FBURL;PREF", buf, 0);
 340                                 }
 341
 342                                 /* If this is an address book room, and the vCard has
 343                                  * no UID, then give it one.
 344                                  */
 345                                 if (yes_any_vcard_room) {
 346                                         s = vcard_get_prop(v, "UID", 0, 0, 0);
 347                                         if (s == NULL) {
 348                                                 generate_uuid(buf);
 349                                                 vcard_set_prop(v, "UID", buf, 0);
 350                                         }
 351                                 }
 352
 353                                 /* Enforce local UID policy if applicable */
 354                                 if (yes_my_citadel_config) {
 355                                         snprintf(buf, sizeof buf, VCARD_EXT_FORMAT,
 356                                                 msg->cm_fields['A'], NODENAME);
 357                                         vcard_set_prop(v, "UID", buf, 0);
 358                                 }
 359
 360                                 /*
 361                                  * Set the EUID of the message to the UID of the vCard.
 362                                  */
 363                                 if (msg->cm_fields['E'] != NULL) free(msg->cm_fields['E']);
 364                                 s = vcard_get_prop(v, "UID", 0, 0, 0);
 365                                 if (s != NULL) {
 366                                         msg->cm_fields['E'] = strdup(s);
 367                                         if (msg->cm_fields['U'] == NULL) {
 368                                                 msg->cm_fields['U'] = strdup(s);
 369                                         }
 370                                 }
 371
 372                                 /*
 373                                  * Set the Subject to the name in the vCard.
 374                                  */
 375                                 s = vcard_get_prop(v, "FN", 0, 0, 0);
 376                                 if (s == NULL) {
 377                                         s = vcard_get_prop(v, "N", 0, 0, 0);
 378                                 }
 379                                 if (s != NULL) {
 380                                         if (msg->cm_fields['U'] != NULL) {
 381                                                 free(msg->cm_fields['U']);
 382                                         }
 383                                         msg->cm_fields['U'] = strdup(s);
 384                                 }
 385
 386                                 /* Re-serialize it back into the msg body */
 387                                 ser = vcard_serialize(v);
 388                                 if (ser != NULL) {
 389                                         msg->cm_fields['M'] = realloc(
 390                                                 msg->cm_fields['M'],
 391                                                 strlen(ser) + 1024
 392                                         );
 393                                         sprintf(msg->cm_fields['M'],
 394                                                 "Content-type: text/x-vcard"
 395                                                 "\r\n\r\n%s\r\n", ser);
 396                                         free(ser);
 397                                 }
 398                                 vcard_free(v);
 399                         }
 400
 401                         /* Now allow the save to complete. */
 402                         return(0);
 403                 }
 404
 405                 ptr = strchr((char *)ptr, '\n');
 406                 if (ptr != NULL) ++ptr;
 407         }
 408
 409         return(0);
 410 }
 411
 412
 413
 414 /*
 415  * This handler detects whether the user is attempting to save a new
 416  * vCard as part of his/her personal configuration, and handles the replace
 417  * function accordingly (copy the vCard from the config room to the global
 418  * address book).
 419  */
 420 int vcard_upload_aftersave(struct CtdlMessage *msg) {
 421         char *ptr;
 422         int linelen;
 423         long I;
 424         struct vCard *v;
 425
 426         if (!CC->logged_in) return(0);  /* Only do this if logged in. */
 427
 428         /* If this isn't the configuration room, or if this isn't a MIME
 429          * message, don't bother.
 430          */
 431         if (msg->cm_fields['O'] == NULL) return(0);
 432         if (strcasecmp(msg->cm_fields['O'], USERCONFIGROOM)) return(0);
 433         if (msg->cm_format_type != 4) return(0);
 434
 435         ptr = msg->cm_fields['M'];
 436         if (ptr == NULL) return(0);
 437         while (ptr != NULL) {
 438
 439                 linelen = strcspn(ptr, "\n");
 440                 if (linelen == 0) return(0);    /* end of headers */
 441
 442                 if (!strncasecmp(ptr, "Content-type: text/x-vcard", 26)) {
 443                         /* Bingo!  The user is uploading a new vCard, so
 444                          * copy it to the Global Address Book room.
 445                          */
 446
 447                         I = atol(msg->cm_fields['I']);
 448                         if (I < 0L) return(0);
 449
 450                         /* Store our Internet return address in memory */
 451                         v = vcard_load(msg->cm_fields['M']);
 452                         extract_primary_inet_email(CC->cs_inet_email,
 453                                                 sizeof CC->cs_inet_email, v);
 454                         vcard_free(v);
 455
 456                         /* Put it in the Global Address Book room... */
 457                         CtdlSaveMsgPointerInRoom(ADDRESS_BOOK_ROOM, I, 1, msg);
 458
 459                         /* ...and also in the directory database. */
 460                         vcard_add_to_directory(I, NULL);
 461
 462                         /* Some sites want an Aide to be notified when a
 463                          * user registers or re-registers...
 464                          */
 465                         set_mm_valid();
 466
 467                         /* ...which also means we need to flag the user */
 468                         lgetuser(&CC->user, CC->curr_user);
 469                         CC->user.flags |= (US_REGIS|US_NEEDVALID);
 470                         lputuser(&CC->user);
 471
 472                         return(0);
 473                 }
 474
 475                 ptr = strchr((char *)ptr, '\n');
 476                 if (ptr != NULL) ++ptr;
 477         }
 478
 479         return(0);
 480 }
 481
 482
 483
 484 /*
 485  * back end function used for callbacks
 486  */
 487 void vcard_gu_backend(long supplied_msgnum, void *userdata) {
 488         long *msgnum;
 489
 490         msgnum = (long *) userdata;
 491         *msgnum = supplied_msgnum;
 492 }
 493
 494
 495 /*
 496  * If this user has a vcard on disk, read it into memory, otherwise allocate
 497  * and return an empty vCard.
 498  */
 499 struct vCard *vcard_get_user(struct ctdluser *u) {
 500         char hold_rm[ROOMNAMELEN];
 501         char config_rm[ROOMNAMELEN];
 502         struct CtdlMessage *msg;
 503         struct vCard *v;
 504         long VCmsgnum;
 505
 506         strcpy(hold_rm, CC->room.QRname);       /* save current room */
 507         MailboxName(config_rm, sizeof config_rm, u, USERCONFIGROOM);
 508
 509         if (getroom(&CC->room, config_rm) != 0) {
 510                 getroom(&CC->room, hold_rm);
 511                 return vcard_new();
 512         }
 513
 514         /* We want the last (and probably only) vcard in this room */
 515         VCmsgnum = (-1);
 516         CtdlForEachMessage(MSGS_LAST, 1, "text/x-vcard",
 517                 NULL, vcard_gu_backend, (void *)&VCmsgnum );
 518         getroom(&CC->room, hold_rm);    /* return to saved room */
 519
 520         if (VCmsgnum < 0L) return vcard_new();
 521
 522         msg = CtdlFetchMessage(VCmsgnum, 1);
 523         if (msg == NULL) return vcard_new();
 524
 525         v = vcard_load(msg->cm_fields['M']);
 526         CtdlFreeMessage(msg);
 527         return v;
 528 }
 529
 530
 531 /*
 532  * Store this user's vCard in the appropriate place
 533  */
 534 /*
 535  * Write our config to disk
 536  */
 537 void vcard_write_user(struct ctdluser *u, struct vCard *v) {
 538         char temp[PATH_MAX];
 539         FILE *fp;
 540         char *ser;
 541
 542         CtdlMakeTempFileName(temp, sizeof temp);
 543         ser = vcard_serialize(v);
 544
 545         fp = fopen(temp, "w");
 546         if (fp == NULL) return;
 547         if (ser == NULL) {
 548                 fprintf(fp, "begin:vcard\r\nend:vcard\r\n");
 549         } else {
 550                 fwrite(ser, strlen(ser), 1, fp);
 551                 free(ser);
 552         }
 553         fclose(fp);
 554
 555         /* This handy API function does all the work for us.
 556          * NOTE: normally we would want to set that last argument to 1, to
 557          * force the system to delete the user's old vCard.  But it doesn't
 558          * have to, because the vcard_upload_beforesave() hook above
 559          * is going to notice what we're trying to do, and delete the old vCard.
 560          */
 561         CtdlWriteObject(USERCONFIGROOM, /* which room */
 562                         "text/x-vcard", /* MIME type */
 563                         temp,           /* temp file */
 564                         u,              /* which user */
 565                         0,              /* not binary */
 566                         0,              /* don't delete others of this type */
 567                         0);             /* no flags */
 568
 569         unlink(temp);
 570 }
 571
 572
 573
 574 /*
 575  * Old style "enter registration info" command.  This function simply honors
 576  * the REGI protocol command, translates the entered parameters into a vCard,
 577  * and enters the vCard into the user's configuration.
 578  */
 579 void cmd_regi(char *argbuf) {
 580         int a,b,c;
 581         char buf[SIZ];
 582         struct vCard *my_vcard;
 583
 584         char tmpaddr[SIZ];
 585         char tmpcity[SIZ];
 586         char tmpstate[SIZ];
 587         char tmpzip[SIZ];
 588         char tmpaddress[SIZ];
 589         char tmpcountry[SIZ];
 590
 591         unbuffer_output();
 592
 593         if (!(CC->logged_in)) {
 594                 cprintf("%d Not logged in.\n",ERROR + NOT_LOGGED_IN);
 595                 return;
 596         }
 597
 598         my_vcard = vcard_get_user(&CC->user);
 599         strcpy(tmpaddr, "");
 600         strcpy(tmpcity, "");
 601         strcpy(tmpstate, "");
 602         strcpy(tmpzip, "");
 603         strcpy(tmpcountry, "USA");
 604
 605         cprintf("%d Send registration...\n", SEND_LISTING);
 606         a=0;
 607         while (client_getln(buf, sizeof buf), strcmp(buf,"000")) {
 608                 if (a==0) vcard_set_prop(my_vcard, "n", buf, 0);
 609                 if (a==1) strcpy(tmpaddr, buf);
 610                 if (a==2) strcpy(tmpcity, buf);
 611                 if (a==3) strcpy(tmpstate, buf);
 612                 if (a==4) {
 613                         for (c=0; c<strlen(buf); ++c) {
 614                                 if ((buf[c]>='0') && (buf[c]<='9')) {
 615                                         b = strlen(tmpzip);
 616                                         tmpzip[b] = buf[c];
 617                                         tmpzip[b+1] = 0;
 618                                 }
 619                         }
 620                 }
 621                 if (a==5) vcard_set_prop(my_vcard, "tel;home", buf, 0);
 622                 if (a==6) vcard_set_prop(my_vcard, "email;internet", buf, 0);
 623                 if (a==7) strcpy(tmpcountry, buf);
 624                 ++a;
 625         }
 626
 627         snprintf(tmpaddress, sizeof tmpaddress, ";;%s;%s;%s;%s;%s",
 628                 tmpaddr, tmpcity, tmpstate, tmpzip, tmpcountry);
 629         vcard_set_prop(my_vcard, "adr", tmpaddress, 0);
 630         vcard_write_user(&CC->user, my_vcard);
 631         vcard_free(my_vcard);
 632 }
 633
 634
 635 /*
 636  * Protocol command to fetch registration info for a user
 637  */
 638 void cmd_greg(char *argbuf)
 639 {
 640         struct ctdluser usbuf;
 641         struct vCard *v;
 642         char *s;
 643         char who[USERNAME_SIZE];
 644         char adr[256];
 645         char buf[256];
 646
 647         extract_token(who, argbuf, 0, '|', sizeof who);
 648
 649         if (!(CC->logged_in)) {
 650                 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
 651                 return;
 652         }
 653
 654         if (!strcasecmp(who,"_SELF_")) strcpy(who,CC->curr_user);
 655
 656         if ((CC->user.axlevel < 6) && (strcasecmp(who,CC->curr_user))) {
 657                 cprintf("%d Higher access required.\n",
 658                         ERROR + HIGHER_ACCESS_REQUIRED);
 659                 return;
 660         }
 661
 662         if (getuser(&usbuf, who) != 0) {
 663                 cprintf("%d '%s' not found.\n", ERROR + NO_SUCH_USER, who);
 664                 return;
 665         }
 666
 667         v = vcard_get_user(&usbuf);
 668
 669         cprintf("%d %s\n", LISTING_FOLLOWS, usbuf.fullname);
 670         cprintf("%ld\n", usbuf.usernum);
 671         cprintf("%s\n", usbuf.password);
 672         s = vcard_get_prop(v, "n", 0, 0, 0);
 673         cprintf("%s\n", s ? s : " ");   /* name */
 674
 675         s = vcard_get_prop(v, "adr", 0, 0, 0);
 676         snprintf(adr, sizeof adr, "%s", s ? s : " ");/* address... */
 677
 678         extract_token(buf, adr, 2, ';', sizeof buf);
 679         cprintf("%s\n", buf);                           /* street */
 680         extract_token(buf, adr, 3, ';', sizeof buf);
 681         cprintf("%s\n", buf);                           /* city */
 682         extract_token(buf, adr, 4, ';', sizeof buf);
 683         cprintf("%s\n", buf);                           /* state */
 684         extract_token(buf, adr, 5, ';', sizeof buf);
 685         cprintf("%s\n", buf);                           /* zip */
 686
 687         s = vcard_get_prop(v, "tel;home", 0, 0, 0);
 688         if (s == NULL) s = vcard_get_prop(v, "tel", 1, 0, 0);
 689         if (s != NULL) {
 690                 cprintf("%s\n", s);
 691         }
 692         else {
 693                 cprintf(" \n");
 694         }
 695
 696         cprintf("%d\n", usbuf.axlevel);
 697
 698         s = vcard_get_prop(v, "email;internet", 0, 0, 0);
 699         cprintf("%s\n", s ? s : " ");
 700         s = vcard_get_prop(v, "adr", 0, 0, 0);
 701         snprintf(adr, sizeof adr, "%s", s ? s : " ");/* address... */
 702
 703         extract_token(buf, adr, 6, ';', sizeof buf);
 704         cprintf("%s\n", buf);                           /* country */
 705         cprintf("000\n");
 706 }
 707
 708
 709
 710 /*
 711  * When a user is being created, create his/her vCard.
 712  */
 713 void vcard_newuser(struct ctdluser *usbuf) {
 714         char vname[256];
 715         char buf[256];
 716         int i;
 717         struct vCard *v;
 718
 719         vcard_fn_to_n(vname, usbuf->fullname, sizeof vname);
 720         lprintf(CTDL_DEBUG, "Converted <%s> to <%s>\n", usbuf->fullname, vname);
 721
 722         /* Create and save the vCard */
 723         v = vcard_new();
 724         if (v == NULL) return;
 725         sprintf(buf, "%s@%s", usbuf->fullname, config.c_fqdn);
 726         for (i=0; i<strlen(buf); ++i) {
 727                 if (buf[i] == ' ') buf[i] = '_';
 728         }
 729         vcard_add_prop(v, "fn", usbuf->fullname);
 730         vcard_add_prop(v, "n", vname);
 731         vcard_add_prop(v, "adr", "adr:;;_;_;_;00000;__");
 732         vcard_add_prop(v, "email;internet", buf);
 733         vcard_write_user(usbuf, v);
 734         vcard_free(v);
 735 }
 736
 737
 738 /*
 739  * When a user is being deleted, we have to remove his/her vCard.
 740  * This is accomplished by issuing a message with 'CANCEL' in the S (special)
 741  * field, and the same Exclusive ID as the existing card.
 742  */
 743 void vcard_purge(struct ctdluser *usbuf) {
 744         struct CtdlMessage *msg;
 745         char buf[SIZ];
 746
 747         msg = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
 748         if (msg == NULL) return;
 749         memset(msg, 0, sizeof(struct CtdlMessage));
 750
 751         msg->cm_magic = CTDLMESSAGE_MAGIC;
 752         msg->cm_anon_type = MES_NORMAL;
 753         msg->cm_format_type = 0;
 754         msg->cm_fields['A'] = strdup(usbuf->fullname);
 755         msg->cm_fields['O'] = strdup(ADDRESS_BOOK_ROOM);
 756         msg->cm_fields['N'] = strdup(NODENAME);
 757         msg->cm_fields['M'] = strdup("Purge this vCard\n");
 758
 759         snprintf(buf, sizeof buf, VCARD_EXT_FORMAT,
 760                         msg->cm_fields['A'], NODENAME);
 761         msg->cm_fields['E'] = strdup(buf);
 762
 763         msg->cm_fields['S'] = strdup("CANCEL");
 764
 765         CtdlSubmitMsg(msg, NULL, ADDRESS_BOOK_ROOM);
 766         CtdlFreeMessage(msg);
 767 }
 768
 769
 770 /*
 771  * Grab vCard directory stuff out of incoming network messages
 772  */
 773 int vcard_extract_from_network(struct CtdlMessage *msg, char *target_room) {
 774         char *ptr;
 775         int linelen;
 776
 777         if (msg == NULL) return(0);
 778
 779         if (strcasecmp(target_room, ADDRESS_BOOK_ROOM)) {
 780                 return(0);
 781         }
 782
 783         if (msg->cm_format_type != 4) return(0);
 784
 785         ptr = msg->cm_fields['M'];
 786         if (ptr == NULL) return(0);
 787         while (ptr != NULL) {
 788
 789                 linelen = strcspn(ptr, "\n");
 790                 if (linelen == 0) return(0);    /* end of headers */
 791
 792                 if (!strncasecmp(ptr, "Content-type: text/x-vcard", 26)) {
 793                          /* It's a vCard.  Add it to the directory. */
 794                         vcard_extract_internet_addresses(msg,
 795                                                         CtdlDirectoryAddUser);
 796                         return(0);
 797                 }
 798
 799                 ptr = strchr((char *)ptr, '\n');
 800                 if (ptr != NULL) ++ptr;
 801         }
 802
 803         return(0);
 804 }
 805
 806
 807
 808 /*
 809  * When a vCard is being removed from the Global Address Book room, remove it
 810  * from the directory as well.
 811  */
 812 void vcard_delete_remove(char *room, long msgnum) {
 813         struct CtdlMessage *msg;
 814         char *ptr;
 815         int linelen;
 816
 817         if (msgnum <= 0L) return;
 818
 819         if (strcasecmp(room, ADDRESS_BOOK_ROOM)) {
 820                 return;
 821         }
 822
 823         msg = CtdlFetchMessage(msgnum, 1);
 824         if (msg == NULL) return;
 825
 826         ptr = msg->cm_fields['M'];
 827         if (ptr == NULL) goto EOH;
 828         while (ptr != NULL) {
 829                 linelen = strcspn(ptr, "\n");
 830                 if (linelen == 0) goto EOH;
 831
 832                 if (!strncasecmp(ptr, "Content-type: text/x-vcard", 26)) {
 833                         /* Bingo!  A vCard is being deleted.
 834                         */
 835                         vcard_extract_internet_addresses(msg,
 836                                                         CtdlDirectoryDelUser);
 837 #ifdef HAVE_LDAP
 838                         ctdl_vcard_to_ldap(msg, V2L_DELETE);
 839 #endif
 840                 }
 841                 ptr = strchr((char *)ptr, '\n');
 842                 if (ptr != NULL) ++ptr;
 843         }
 844
 845 EOH:    CtdlFreeMessage(msg);
 846 }
 847
 848
 849
 850 /*
 851  * Query Directory
 852  */
 853 void cmd_qdir(char *argbuf) {
 854         char citadel_addr[256];
 855         char internet_addr[256];
 856
 857         if (CtdlAccessCheck(ac_logged_in)) return;
 858
 859         extract_token(internet_addr, argbuf, 0, '|', sizeof internet_addr);
 860
 861         if (CtdlDirectoryLookup(citadel_addr, internet_addr, sizeof citadel_addr) != 0) {
 862                 cprintf("%d %s was not found.\n",
 863                         ERROR + NO_SUCH_USER, internet_addr);
 864                 return;
 865         }
 866
 867         cprintf("%d %s\n", CIT_OK, citadel_addr);
 868 }
 869
 870
 871 /*
 872  * We don't know if the Contacts room exists so we just create it at login
 873  */
 874 void vcard_create_room(void)
 875 {
 876         struct ctdlroom qr;
 877         struct visit vbuf;
 878
 879         /* Create the calendar room if it doesn't already exist */
 880         create_room(USERCONTACTSROOM, 4, "", 0, 1, 0, VIEW_ADDRESSBOOK);
 881
 882         /* Set expiration policy to manual; otherwise objects will be lost! */
 883         if (lgetroom(&qr, USERCONTACTSROOM)) {
 884                 lprintf(CTDL_ERR, "Couldn't get the user CONTACTS room!\n");
 885                 return;
 886         }
 887         qr.QRep.expire_mode = EXPIRE_MANUAL;
 888         qr.QRdefaultview = VIEW_ADDRESSBOOK;    /* 2 = address book view */
 889         lputroom(&qr);
 890
 891         /* Set the view to a calendar view */
 892         CtdlGetRelationship(&vbuf, &CC->user, &qr);
 893         vbuf.v_view = 2;        /* 2 = address book view */
 894         CtdlSetRelationship(&vbuf, &CC->user, &qr);
 895
 896         return;
 897 }
 898
 899
 900
 901
 902 /*
 903  * When a user logs in...
 904  */
 905 void vcard_session_login_hook(void) {
 906         struct vCard *v;
 907
 908         v = vcard_get_user(&CC->user);
 909         extract_primary_inet_email(CC->cs_inet_email,
 910                                 sizeof CC->cs_inet_email, v);
 911         vcard_free(v);
 912
 913         vcard_create_room();
 914 }
 915
 916
 917 /*
 918  * Turn an arbitrary RFC822 address into a struct vCard for possible
 919  * inclusion into an address book.
 920  */
 921 struct vCard *vcard_new_from_rfc822_addr(char *addr) {
 922         struct vCard *v;
 923         char user[256], node[256], name[256], email[256], n[256], uid[256];
 924         int i;
 925
 926         v = vcard_new();
 927         if (v == NULL) return(NULL);
 928
 929         process_rfc822_addr(addr, user, node, name);
 930         vcard_set_prop(v, "fn", name, 0);
 931
 932         vcard_fn_to_n(n, name, sizeof n);
 933         vcard_set_prop(v, "n", n, 0);
 934
 935         snprintf(email, sizeof email, "%s@%s", user, node);
 936         vcard_set_prop(v, "email;internet", email, 0);
 937
 938         snprintf(uid, sizeof uid, "collected: %s %s@%s", name, user, node);
 939         for (i=0; i<strlen(uid); ++i) {
 940                 if (isspace(uid[i])) uid[i] = '_';
 941                 uid[i] = tolower(uid[i]);
 942         }
 943         vcard_set_prop(v, "UID", uid, 0);
 944
 945         return(v);
 946 }
 947
 948
 949
 950 /*
 951  * This is called by store_harvested_addresses() to remove from the
 952  * list any addresses we already have in our address book.
 953  */
 954 void strip_addresses_already_have(long msgnum, void *userdata) {
 955         char *collected_addresses;
 956         struct CtdlMessage *msg;
 957         struct vCard *v;
 958         char *value = NULL;
 959         int i, j;
 960         char addr[256], user[256], node[256], name[256];
 961
 962         collected_addresses = (char *)userdata;
 963
 964         msg = CtdlFetchMessage(msgnum, 1);
 965         if (msg == NULL) return;
 966         v = vcard_load(msg->cm_fields['M']);
 967         CtdlFreeMessage(msg);
 968
 969         i = 0;
 970         while (value = vcard_get_prop(v, "email", 1, i++, 0), value != NULL) {
 971
 972                 for (j=0; j<num_tokens(collected_addresses, ','); ++j) {
 973                         extract_token(addr, collected_addresses, j, ',', sizeof addr);
 974
 975                         /* Remove the address if we already have it! */
 976                         process_rfc822_addr(addr, user, node, name);
 977                         snprintf(addr, sizeof addr, "%s@%s", user, node);
 978                         if (!strcasecmp(value, addr)) {
 979                                 remove_token(collected_addresses, j, ',');
 980                         }
 981                 }
 982
 983         }
 984
 985         vcard_free(v);
 986 }
 987
 988
 989
 990 /*
 991  * Back end function for store_harvested_addresses()
 992  */
 993 void store_this_ha(struct addresses_to_be_filed *aptr) {
 994         struct CtdlMessage *vmsg = NULL;
 995         long vmsgnum = (-1L);
 996         char *ser = NULL;
 997         struct vCard *v = NULL;
 998         char recipient[256];
 999         int i;
1000
1001         /* First remove any addresses we already have in the address book */
1002         usergoto(aptr->roomname, 0, 0, NULL, NULL);
1003         CtdlForEachMessage(MSGS_ALL, 0, "text/x-vcard", NULL,
1004                 strip_addresses_already_have, aptr->collected_addresses);
1005
1006         if (strlen(aptr->collected_addresses) > 0)
1007            for (i=0; i<num_tokens(aptr->collected_addresses, ','); ++i) {
1008
1009                 /* Make a vCard out of each address */
1010                 extract_token(recipient, aptr->collected_addresses, i, ',', sizeof recipient);
1011                 striplt(recipient);
1012                 v = vcard_new_from_rfc822_addr(recipient);
1013                 if (v != NULL) {
1014                         vmsg = malloc(sizeof(struct CtdlMessage));
1015                         memset(vmsg, 0, sizeof(struct CtdlMessage));
1016                         vmsg->cm_magic = CTDLMESSAGE_MAGIC;
1017                         vmsg->cm_anon_type = MES_NORMAL;
1018                         vmsg->cm_format_type = FMT_RFC822;
1019                         vmsg->cm_fields['A'] = strdup("Citadel");
1020                         vmsg->cm_fields['E'] =  strdup(vcard_get_prop(v, "UID", 0, 0, 0));
1021                         ser = vcard_serialize(v);
1022                         if (ser != NULL) {
1023                                 vmsg->cm_fields['M'] = malloc(strlen(ser) + 1024);
1024                                 sprintf(vmsg->cm_fields['M'],
1025                                         "Content-type: text/x-vcard"
1026                                         "\r\n\r\n%s\r\n", ser);
1027                                 free(ser);
1028                         }
1029                         vcard_free(v);
1030
1031                         lprintf(CTDL_DEBUG, "Adding contact: %s\n", recipient);
1032                         vmsgnum = CtdlSubmitMsg(vmsg, NULL, aptr->roomname);
1033                         CtdlFreeMessage(vmsg);
1034                 }
1035         }
1036
1037         free(aptr->roomname);
1038         free(aptr->collected_addresses);
1039         free(aptr);
1040 }
1041
1042
1043 /*
1044  * When a user sends a message, we may harvest one or more email addresses
1045  * from the recipient list to be added to the user's address book.  But we
1046  * want to do this asynchronously so it doesn't keep the user waiting.
1047  */
1048 void store_harvested_addresses(void) {
1049
1050         struct addresses_to_be_filed *aptr = NULL;
1051
1052         if (atbf == NULL) return;
1053
1054         begin_critical_section(S_ATBF);
1055         while (atbf != NULL) {
1056                 aptr = atbf;
1057                 atbf = atbf->next;
1058                 end_critical_section(S_ATBF);
1059                 store_this_ha(aptr);
1060                 begin_critical_section(S_ATBF);
1061         }
1062         end_critical_section(S_ATBF);
1063 }
1064
1065
1066 /*
1067  * Function to output a vCard as plain text.  Nobody uses MSG0 anymore, so
1068  * really this is just so we expose the vCard data to the full text indexer.
1069  */
1070 void vcard_fixed_output(char *ptr, int len) {
1071         char *serialized_vcard;
1072         struct vCard *v;
1073         char *key, *value;
1074         int i = 0;
1075
1076         cprintf("vCard:\n");
1077         serialized_vcard = malloc(len + 1);
1078         safestrncpy(serialized_vcard, ptr, len+1);
1079         v = vcard_load(serialized_vcard);
1080         free(serialized_vcard);
1081
1082         i = 0;
1083         while (key = vcard_get_prop(v, "", 0, i, 1), key != NULL) {
1084                 value = vcard_get_prop(v, "", 0, i++, 0);
1085                 cprintf("%20s : %s\n", key, value);
1086         }
1087
1088         vcard_free(v);
1089 }
1090
1091
1092
1093 char *serv_vcard_init(void)
1094 {
1095         struct ctdlroom qr;
1096
1097         CtdlRegisterSessionHook(vcard_session_login_hook, EVT_LOGIN);
1098         CtdlRegisterMessageHook(vcard_upload_beforesave, EVT_BEFORESAVE);
1099         CtdlRegisterMessageHook(vcard_upload_aftersave, EVT_AFTERSAVE);
1100         CtdlRegisterDeleteHook(vcard_delete_remove);
1101         CtdlRegisterProtoHook(cmd_regi, "REGI", "Enter registration info");
1102         CtdlRegisterProtoHook(cmd_greg, "GREG", "Get registration info");
1103         CtdlRegisterProtoHook(cmd_igab, "IGAB",
1104                                         "Initialize Global Address Book");
1105         CtdlRegisterProtoHook(cmd_qdir, "QDIR", "Query Directory");
1106         CtdlRegisterUserHook(vcard_newuser, EVT_NEWUSER);
1107         CtdlRegisterUserHook(vcard_purge, EVT_PURGEUSER);
1108         CtdlRegisterNetprocHook(vcard_extract_from_network);
1109         CtdlRegisterSessionHook(store_harvested_addresses, EVT_TIMER);
1110         CtdlRegisterFixedOutputHook("text/x-vcard", vcard_fixed_output);
1111
1112         /* Create the Global ADdress Book room if necessary */
1113         create_room(ADDRESS_BOOK_ROOM, 3, "", 0, 1, 0, VIEW_ADDRESSBOOK);
1114
1115         /* Set expiration policy to manual; otherwise objects will be lost! */
1116         if (!lgetroom(&qr, ADDRESS_BOOK_ROOM)) {
1117                 qr.QRep.expire_mode = EXPIRE_MANUAL;
1118                 qr.QRdefaultview = VIEW_ADDRESSBOOK;    /* 2 = address book view */
1119                 lputroom(&qr);
1120         }
1121
1122         return "$Id$";
1123 }