citadel/modules/vcard/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) 1999-2007 / 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  * Citadel will accept either text/vcard or text/x-vcard as the MIME type
  20  * for a vCard.  The following definition determines which one it *generates*
  21  * when serializing.
  22  */
  23 #define VCARD_MIME_TYPE         "text/x-vcard"
  24
  25 #include "sysdep.h"
  26 #include <stdlib.h>
  27 #include <unistd.h>
  28 #include <stdio.h>
  29 #include <fcntl.h>
  30 #include <signal.h>
  31 #include <pwd.h>
  32 #include <errno.h>
  33 #include <ctype.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 "citserver.h"
  53 #include "support.h"
  54 #include "config.h"
  55 #include "control.h"
  56 #include "room_ops.h"
  57 #include "user_ops.h"
  58 #include "policy.h"
  59 #include "database.h"
  60 #include "msgbase.h"
  61 #include "internet_addressing.h"
  62 #include "tools.h"
  63 #include "mime_parser.h"
  64 #include "vcard.h"
  65 #include "serv_vcard.h"
  66
  67 #include "ctdl_module.h"
  68
  69
  70
  71 /*
  72  * set global flag calling for an aide to validate new users
  73  */
  74 void set_mm_valid(void) {
  75         begin_critical_section(S_CONTROL);
  76         get_control();
  77         CitControl.MMflags = CitControl.MMflags | MM_VALID ;
  78         put_control();
  79         end_critical_section(S_CONTROL);
  80 }
  81
  82
  83
  84 /*
  85  * Extract Internet e-mail addresses from a message containing a vCard, and
  86  * perform a callback for any found.
  87  */
  88 void vcard_extract_internet_addresses(struct CtdlMessage *msg,
  89                                 void (*callback)(char *, char *) ) {
  90         struct vCard *v;
  91         char *s;
  92         char *addr;
  93         char citadel_address[SIZ];
  94         int instance = 0;
  95         int found_something = 0;
  96
  97         if (msg->cm_fields['A'] == NULL) return;
  98         if (msg->cm_fields['N'] == NULL) return;
  99         snprintf(citadel_address, sizeof citadel_address, "%s @ %s",
 100                 msg->cm_fields['A'], msg->cm_fields['N']);
 101
 102         v = vcard_load(msg->cm_fields['M']);
 103         if (v == NULL) return;
 104
 105         /* Go through the vCard searching for *all* instances of
 106          * the "email;internet" key
 107          */
 108         do {
 109                 s = vcard_get_prop(v, "email;internet", 0, instance++, 0);
 110                 if (s != NULL) {
 111                         addr = strdup(s);
 112                         striplt(addr);
 113                         if (!IsEmptyStr(addr)) {
 114                                 if (callback != NULL) {
 115                                         callback(addr, citadel_address);
 116                                 }
 117                         }
 118                         free(addr);
 119                         found_something = 1;
 120                 }
 121                 else {
 122                         found_something = 0;
 123                 }
 124         } while(found_something);
 125
 126         vcard_free(v);
 127 }
 128
 129
 130 /*
 131  * vCard-to-LDAP conversions.
 132  *
 133  * If 'op' is set to V2L_WRITE, then write
 134  * (add, or change if already exists) a directory entry to the
 135  * LDAP server, based on the information supplied in a vCard.
 136  *
 137  * If 'op' is set to V2L_DELETE, then delete the entry from LDAP.
 138  */
 139
 140
 141 void ctdl_vcard_to_ldap(struct CtdlMessage *msg, int op) {
 142         struct vCard *v = NULL;
 143         int i;
 144         int num_emails = 0;
 145         int num_phones = 0;
 146         int have_addr = 0;
 147         int have_cn = 0;
 148
 149         void *objectlist = NULL;
 150
 151         char givenname[128];
 152         char sn[128];
 153         char uid[256];
 154         char street[256];
 155         char city[128];
 156         char state[3];
 157         char zipcode[10];
 158         char calFBURL[256];
 159
 160         if (msg == NULL) return;
 161         if (msg->cm_fields['M'] == NULL) return;
 162         if (msg->cm_fields['A'] == NULL) return;
 163         if (msg->cm_fields['N'] == NULL) return;
 164
 165         /* Initialize variables */
 166         strcpy(givenname, "");
 167         strcpy(sn, "");
 168         strcpy(calFBURL, "");
 169
 170         sprintf(uid, "%s@%s",
 171                 msg->cm_fields['A'],
 172                 msg->cm_fields['N']
 173         );
 174
 175         /* Are we just deleting?  If so, it's simple... */
 176         if (op == V2L_DELETE) {
 177                 (void) CtdlDoDirectoryServiceFunc (msg->cm_fields['A'], msg->cm_fields['N'], NULL, "ldap", DIRECTORY_USER_DEL);
 178                 return;
 179         }
 180
 181         /*
 182          * If we get to this point then it must be a V2L_WRITE operation.
 183          */
 184
 185         /* First make sure the OU for the user's home Citadel host is created */
 186         (void) CtdlDoDirectoryServiceFunc (NULL, msg->cm_fields['N'], NULL, "ldap", DIRECTORY_CREATE_HOST);
 187
 188         /* Next create the directory service object */
 189         (void) CtdlDoDirectoryServiceFunc(NULL, NULL, &objectlist, "ldap", DIRECTORY_CREATE_OBJECT);
 190
 191         /* The first LDAP attribute will be an 'objectclass' list.  Citadel
 192          * doesn't do anything with this.  It's just there for compatibility
 193          * with Kolab.
 194          */
 195         (void) CtdlDoDirectoryServiceFunc("objectclass", "citadelInetOrgPerson", &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 196
 197         /* Convert the vCard fields to LDAP properties */
 198         v = vcard_load(msg->cm_fields['M']);
 199         if (v->numprops) for (i=0; i<(v->numprops); ++i) if (striplt(v->prop[i].value), strlen(v->prop[i].value) > 0) {
 200
 201                 if (!strcasecmp(v->prop[i].name, "n")) {
 202                         extract_token(sn,               v->prop[i].value, 0, ';', sizeof sn);
 203                         extract_token(givenname,        v->prop[i].value, 1, ';', sizeof givenname);
 204                 }
 205
 206                 if (!strcasecmp(v->prop[i].name, "fn")) {
 207                         (void) CtdlDoDirectoryServiceFunc("cn", v->prop[i].value, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 208                         have_cn = 1;
 209                 }
 210
 211                 if (!strcasecmp(v->prop[i].name, "title")) {
 212                         (void) CtdlDoDirectoryServiceFunc("title", v->prop[i].value, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 213                 }
 214
 215                 if (!strcasecmp(v->prop[i].name, "org")) {
 216                         (void) CtdlDoDirectoryServiceFunc("o", v->prop[i].value, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 217                 }
 218
 219                 if ( (!strcasecmp(v->prop[i].name, "adr"))
 220                    ||(!strncasecmp(v->prop[i].name, "adr;", 4)) ) {
 221                         /* Unfortunately, we can only do a single address */
 222                         if (!have_addr) {
 223                                 have_addr = 1;
 224                                 strcpy(street, "");
 225                                 extract_token(&street[strlen(street)],
 226                                         v->prop[i].value, 0, ';', (sizeof street - strlen(street))); /* po box */
 227                                 strcat(street, " ");
 228                                 extract_token(&street[strlen(street)],
 229                                         v->prop[i].value, 1, ';', (sizeof street - strlen(street))); /* extend addr */
 230                                 strcat(street, " ");
 231                                 extract_token(&street[strlen(street)],
 232                                         v->prop[i].value, 2, ';', (sizeof street - strlen(street))); /* street */
 233                                 striplt(street);
 234                                 extract_token(city, v->prop[i].value, 3, ';', sizeof city);
 235                                 extract_token(state, v->prop[i].value, 4, ';', sizeof state);
 236                                 extract_token(zipcode, v->prop[i].value, 5, ';', sizeof zipcode);
 237
 238                                 (void) CtdlDoDirectoryServiceFunc("street", street, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 239                                 (void) CtdlDoDirectoryServiceFunc("l", city, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 240                                 (void) CtdlDoDirectoryServiceFunc("st", state, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 241                                 (void) CtdlDoDirectoryServiceFunc("postalcode", zipcode, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 242                         }
 243                 }
 244
 245                 if ( (!strcasecmp(v->prop[i].name, "tel"))
 246                    ||(!strncasecmp(v->prop[i].name, "tel;", 4)) ) {
 247                         ++num_phones;
 248                         /* The first 'tel' property creates the 'telephoneNumber' attribute */
 249                         if (num_phones == 1) {
 250                                 (void) CtdlDoDirectoryServiceFunc("telephoneNumber", v->prop[i].value, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 251                         }
 252                         /* Subsequent 'tel' properties *add to* the 'telephoneNumber' attribute */
 253                         else {
 254                                 (void) CtdlDoDirectoryServiceFunc("telephoneNumber", v->prop[i].value, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 255                         }
 256                 }
 257
 258
 259                 if ( (!strcasecmp(v->prop[i].name, "email"))
 260                    ||(!strcasecmp(v->prop[i].name, "email;internet")) ) {
 261
 262                         ++num_emails;
 263                         lprintf(CTDL_DEBUG, "email addr %d\n", num_emails);
 264
 265                         /* The first email address creates the 'mail' attribute */
 266                         if (num_emails == 1) {
 267                                 (void) CtdlDoDirectoryServiceFunc("mail", v->prop[i].value, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 268                         }
 269                         /* The second and subsequent email address creates the 'alias' attribute */
 270                         else if (num_emails >= 2) {
 271                                 (void) CtdlDoDirectoryServiceFunc("alias", v->prop[i].value, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 272                         }
 273                 }
 274
 275                 /* Calendar free/busy URL (take the first one we find, but if a subsequent
 276                  * one contains the "pref" designation then we go with that instead.)
 277                  */
 278                 if ( (!strcasecmp(v->prop[i].name, "fburl"))
 279                    ||(!strncasecmp(v->prop[i].name, "fburl;", 6)) ) {
 280                         if ( (IsEmptyStr(calFBURL))
 281                            || (!strncasecmp(v->prop[i].name, "fburl;pref", 10)) ) {
 282                                 safestrncpy(calFBURL, v->prop[i].value, sizeof calFBURL);
 283                         }
 284                 }
 285
 286         }
 287         vcard_free(v);  /* Don't need this anymore. */
 288
 289         /* "sn" (surname) based on info in vCard */
 290         (void) CtdlDoDirectoryServiceFunc("sn", sn, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 291
 292         /* "givenname" (first name) based on info in vCard */
 293         if (IsEmptyStr(givenname)) strcpy(givenname, "_");
 294         if (IsEmptyStr(sn)) strcpy(sn, "_");
 295         (void) CtdlDoDirectoryServiceFunc("givenname", givenname, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 296
 297         /* "uid" is a Kolab compatibility thing.  We just do cituser@citnode */
 298         (void) CtdlDoDirectoryServiceFunc("uid", uid, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 299
 300         /* Add a "cn" (Common Name) attribute based on the user's screen name,
 301          * but only there was no 'fn' (full name) property in the vCard
 302          */
 303         if (!have_cn) {
 304                 (void) CtdlDoDirectoryServiceFunc("cn", msg->cm_fields['A'], &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 305         }
 306
 307         /* Add a "calFBURL" attribute if a calendar free/busy URL exists */
 308         if (!IsEmptyStr(calFBURL)) {
 309                 (void) CtdlDoDirectoryServiceFunc("calFBURL", calFBURL, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 310         }
 311
 312         (void) CtdlDoDirectoryServiceFunc(msg->cm_fields['A'], msg->cm_fields['N'], &objectlist, "ldap", DIRECTORY_SAVE_OBJECT);
 313
 314         (void) CtdlDoDirectoryServiceFunc(NULL, NULL, &objectlist, "ldap", DIRECTORY_FREE_OBJECT);
 315         lprintf(CTDL_DEBUG, "LDAP write operation complete.\n");
 316 }
 317
 318
 319
 320 /*
 321  * Callback for vcard_add_to_directory()
 322  * (Lotsa ugly nested callbacks.  Oh well.)
 323  */
 324 void vcard_directory_add_user(char *internet_addr, char *citadel_addr) {
 325         char buf[SIZ];
 326
 327         /* We have to validate that we're not stepping on someone else's
 328          * email address ... but only if we're logged in.  Otherwise it's
 329          * probably just the networker or something.
 330          */
 331         if (CC->logged_in) {
 332                 lprintf(CTDL_DEBUG, "Checking for <%s>...\n", internet_addr);
 333                 if (CtdlDirectoryLookup(buf, internet_addr, sizeof buf) == 0) {
 334                         if (strcasecmp(buf, citadel_addr)) {
 335                                 /* This address belongs to someone else.
 336                                  * Bail out silently without saving.
 337                                  */
 338                                 lprintf(CTDL_DEBUG, "DOOP!\n");
 339                                 return;
 340                         }
 341                 }
 342         }
 343         lprintf(CTDL_INFO, "Adding %s (%s) to directory\n",
 344                         citadel_addr, internet_addr);
 345         CtdlDirectoryAddUser(internet_addr, citadel_addr);
 346 }
 347
 348
 349 /*
 350  * Back end function for cmd_igab()
 351  */
 352 void vcard_add_to_directory(long msgnum, void *data) {
 353         struct CtdlMessage *msg;
 354
 355         msg = CtdlFetchMessage(msgnum, 1);
 356         if (msg != NULL) {
 357                 vcard_extract_internet_addresses(msg, vcard_directory_add_user);
 358         }
 359
 360 #ifdef HAVE_LDAP
 361         ctdl_vcard_to_ldap(msg, V2L_WRITE);
 362 #endif
 363
 364         CtdlFreeMessage(msg);
 365 }
 366
 367
 368 /*
 369  * Initialize Global Adress Book
 370  */
 371 void cmd_igab(char *argbuf) {
 372         char hold_rm[ROOMNAMELEN];
 373
 374         if (CtdlAccessCheck(ac_aide)) return;
 375
 376         strcpy(hold_rm, CC->room.QRname);       /* save current room */
 377
 378         if (getroom(&CC->room, ADDRESS_BOOK_ROOM) != 0) {
 379                 getroom(&CC->room, hold_rm);
 380                 cprintf("%d cannot get address book room\n", ERROR + ROOM_NOT_FOUND);
 381                 return;
 382         }
 383
 384         /* Empty the existing database first.
 385          */
 386         CtdlDirectoryInit();
 387
 388         /* We want *all* vCards in this room */
 389         CtdlForEachMessage(MSGS_ALL, 0, NULL, "^[Tt][Ee][Xx][Tt]/.*[Vv][Cc][Aa][Rr][Dd]$",
 390                 NULL, vcard_add_to_directory, NULL);
 391
 392         getroom(&CC->room, hold_rm);    /* return to saved room */
 393         cprintf("%d Directory has been rebuilt.\n", CIT_OK);
 394 }
 395
 396
 397
 398
 399 /*
 400  * See if there is a valid Internet address in a vCard to use for outbound
 401  * Internet messages.  If there is, stick it in the buffer.
 402  */
 403 void extract_inet_email_addrs(char *emailaddrbuf, size_t emailaddrbuf_len,
 404                                 char *secemailaddrbuf, size_t secemailaddrbuf_len,
 405                                 struct vCard *v, int local_addrs_only) {
 406         char *s, *addr;
 407         int instance = 0;
 408         int saved_instance = 0;
 409
 410         /* Go through the vCard searching for *all* instances of
 411          * the "email;internet" key
 412          */
 413         while (s = vcard_get_prop(v, "email;internet", 0, instance++, 0),  s != NULL) {
 414                 addr = strdup(s);
 415                 striplt(addr);
 416                 if (!IsEmptyStr(addr)) {
 417                         if ( (IsDirectory(addr, 1)) ||
 418                              (!local_addrs_only) ) {
 419                                 ++saved_instance;
 420                                 if ((saved_instance == 1) && (emailaddrbuf != NULL)) {
 421                                         safestrncpy(emailaddrbuf, addr, emailaddrbuf_len);
 422                                 }
 423                                 else if ((saved_instance == 2) && (secemailaddrbuf != NULL)) {
 424                                         safestrncpy(secemailaddrbuf, addr, secemailaddrbuf_len);
 425                                 }
 426                                 else if ((saved_instance > 2) && (secemailaddrbuf != NULL)) {
 427                                         if ( (strlen(addr) + strlen(secemailaddrbuf) + 2)
 428                                            < secemailaddrbuf_len ) {
 429                                                 strcat(secemailaddrbuf, "|");
 430                                                 strcat(secemailaddrbuf, addr);
 431                                         }
 432                                 }
 433                         }
 434                 }
 435                 free(addr);
 436         }
 437 }
 438
 439
 440
 441 /*
 442  * See if there is a name / screen name / friendly name  in a vCard to use for outbound
 443  * Internet messages.  If there is, stick it in the buffer.
 444  */
 445 void extract_friendly_name(char *namebuf, size_t namebuf_len, struct vCard *v)
 446 {
 447         char *s;
 448
 449         s = vcard_get_prop(v, "fn", 0, 0, 0);
 450         if (s == NULL) {
 451                 s = vcard_get_prop(v, "n", 0, 0, 0);
 452         }
 453
 454         if (s != NULL) {
 455                 safestrncpy(namebuf, s, namebuf_len);
 456         }
 457 }
 458
 459
 460 /*
 461  * Callback function for vcard_upload_beforesave() hunts for the real vcard in the MIME structure
 462  */
 463 void vcard_extract_vcard(char *name, char *filename, char *partnum, char *disp,
 464                    void *content, char *cbtype, char *cbcharset, size_t length,
 465                    char *encoding, void *cbuserdata)
 466 {
 467         struct vCard **v = (struct vCard **) cbuserdata;
 468
 469         if (  (!strcasecmp(cbtype, "text/x-vcard"))
 470            || (!strcasecmp(cbtype, "text/vcard")) ) {
 471
 472                 lprintf(CTDL_DEBUG, "Part %s contains a vCard!  Loading...\n", partnum);
 473                 if (*v != NULL) {
 474                         vcard_free(*v);
 475                 }
 476                 *v = vcard_load(content);
 477         }
 478 }
 479
 480
 481 /*
 482  * This handler detects whether the user is attempting to save a new
 483  * vCard as part of his/her personal configuration, and handles the replace
 484  * function accordingly (delete the user's existing vCard in the config room
 485  * and in the global address book).
 486  */
 487 int vcard_upload_beforesave(struct CtdlMessage *msg) {
 488         char *ptr;
 489         char *s;
 490         char buf[SIZ];
 491         struct ctdluser usbuf;
 492         long what_user;
 493         struct vCard *v = NULL;
 494         char *ser = NULL;
 495         int i = 0;
 496         int yes_my_citadel_config = 0;
 497         int yes_any_vcard_room = 0;
 498
 499         if (!CC->logged_in) return(0);  /* Only do this if logged in. */
 500
 501         /* Is this some user's "My Citadel Config" room? */
 502         if ( (CC->room.QRflags && QR_MAILBOX)
 503            && (!strcasecmp(&CC->room.QRname[11], USERCONFIGROOM)) ) {
 504                 /* Yes, we want to do this */
 505                 yes_my_citadel_config = 1;
 506
 507 #ifdef VCARD_SAVES_BY_AIDES_ONLY
 508                 /* Prevent non-aides from performing registration changes */
 509                 if (CC->user.axlevel < 6) {
 510                         return(1);
 511                 }
 512 #endif
 513
 514         }
 515
 516         /* Is this a room with an address book in it? */
 517         if (CC->room.QRdefaultview == VIEW_ADDRESSBOOK) {
 518                 yes_any_vcard_room = 1;
 519         }
 520
 521         /* If neither condition exists, don't run this hook. */
 522         if ( (!yes_my_citadel_config) && (!yes_any_vcard_room) ) {
 523                 return(0);
 524         }
 525
 526         /* If this isn't a MIME message, don't bother. */
 527         if (msg->cm_format_type != 4) return(0);
 528
 529         /* Ok, if we got this far, look into the situation further... */
 530
 531         ptr = msg->cm_fields['M'];
 532         if (ptr == NULL) return(0);
 533
 534         mime_parser(msg->cm_fields['M'],
 535                 NULL,
 536                 *vcard_extract_vcard,
 537                 NULL, NULL,
 538                 &v,             /* user data ptr - put the vcard here */
 539                 0
 540         );
 541
 542         if (v == NULL) return(0);       /* no vCards were found in this message */
 543
 544         /* If users cannot create their own accounts, they cannot re-register either. */
 545         if ( (yes_my_citadel_config) && (config.c_disable_newu) && (CC->user.axlevel < 6) ) {
 546                 return(1);
 547         }
 548
 549         s = vcard_get_prop(v, "FN", 0, 0, 0);
 550         if (s) lprintf(CTDL_DEBUG, "vCard beforesave hook running for <%s>\n", s);
 551
 552         if (yes_my_citadel_config) {
 553                 /* Bingo!  The user is uploading a new vCard, so
 554                  * delete the old one.  First, figure out which user
 555                  * is being re-registered...
 556                  */
 557                 what_user = atol(CC->room.QRname);
 558
 559                 if (what_user == CC->user.usernum) {
 560                         /* It's the logged in user.  That was easy. */
 561                         memcpy(&usbuf, &CC->user, sizeof(struct ctdluser));
 562                 }
 563
 564                 else if (getuserbynumber(&usbuf, what_user) == 0) {
 565                         /* We fetched a valid user record */
 566                 }
 567
 568                 else {
 569                         /* somebody set up us the bomb! */
 570                         yes_my_citadel_config = 0;
 571                 }
 572         }
 573
 574         if (yes_my_citadel_config) {
 575                 /* Delete the user's old vCard.  This would probably
 576                  * get taken care of by the replication check, but we
 577                  * want to make sure there is absolutely only one
 578                  * vCard in the user's config room at all times.
 579                  *
 580                  */
 581                 CtdlDeleteMessages(CC->room.QRname, NULL, 0, "^[Tt][Ee][Xx][Tt]/.*[Vv][Cc][Aa][Rr][Dd]$");
 582
 583                 /* Make the author of the message the name of the user. */
 584                 if (msg->cm_fields['A'] != NULL) {
 585                         free(msg->cm_fields['A']);
 586                 }
 587                 msg->cm_fields['A'] = strdup(usbuf.fullname);
 588         }
 589
 590         /* Insert or replace RFC2739-compliant free/busy URL */
 591         if (yes_my_citadel_config) {
 592                 sprintf(buf, "http://%s/%s.vfb",
 593                         config.c_fqdn,
 594                         usbuf.fullname);
 595                 for (i=0; buf[i]; ++i) {
 596                         if (buf[i] == ' ') buf[i] = '_';
 597                 }
 598                 vcard_set_prop(v, "FBURL;PREF", buf, 0);
 599         }
 600
 601         /* If the vCard has no UID, then give it one. */
 602         s = vcard_get_prop(v, "UID", 0, 0, 0);
 603         if (s == NULL) {
 604                 generate_uuid(buf);
 605                 vcard_set_prop(v, "UID", buf, 0);
 606         }
 607
 608         /* Enforce local UID policy if applicable */
 609         if (yes_my_citadel_config) {
 610                 snprintf(buf, sizeof buf, VCARD_EXT_FORMAT, msg->cm_fields['A'], NODENAME);
 611                 vcard_set_prop(v, "UID", buf, 0);
 612         }
 613
 614         /*
 615          * Set the EUID of the message to the UID of the vCard.
 616          */
 617         if (msg->cm_fields['E'] != NULL) free(msg->cm_fields['E']);
 618         s = vcard_get_prop(v, "UID", 0, 0, 0);
 619         if (s != NULL) {
 620                 msg->cm_fields['E'] = strdup(s);
 621                 if (msg->cm_fields['U'] == NULL) {
 622                         msg->cm_fields['U'] = strdup(s);
 623                 }
 624         }
 625
 626         /*
 627          * Set the Subject to the name in the vCard.
 628          */
 629         s = vcard_get_prop(v, "FN", 0, 0, 0);
 630         if (s == NULL) {
 631                 s = vcard_get_prop(v, "N", 0, 0, 0);
 632         }
 633         if (s != NULL) {
 634                 if (msg->cm_fields['U'] != NULL) {
 635                         free(msg->cm_fields['U']);
 636                 }
 637                 msg->cm_fields['U'] = strdup(s);
 638         }
 639
 640         /* Re-serialize it back into the msg body */
 641         ser = vcard_serialize(v);
 642         if (ser != NULL) {
 643                 msg->cm_fields['M'] = realloc(msg->cm_fields['M'], strlen(ser) + 1024);
 644                 sprintf(msg->cm_fields['M'],
 645                         "Content-type: " VCARD_MIME_TYPE
 646                         "\r\n\r\n%s\r\n", ser);
 647                 free(ser);
 648         }
 649
 650         /* Now allow the save to complete. */
 651         vcard_free(v);
 652         return(0);
 653 }
 654
 655
 656
 657 /*
 658  * This handler detects whether the user is attempting to save a new
 659  * vCard as part of his/her personal configuration, and handles the replace
 660  * function accordingly (copy the vCard from the config room to the global
 661  * address book).
 662  */
 663 int vcard_upload_aftersave(struct CtdlMessage *msg) {
 664         char *ptr;
 665         int linelen;
 666         long I;
 667         struct vCard *v;
 668
 669         if (!CC->logged_in) return(0);  /* Only do this if logged in. */
 670
 671         /* If this isn't the configuration room, or if this isn't a MIME
 672          * message, don't bother.
 673          */
 674         if (msg->cm_fields['O'] == NULL) return(0);
 675         if (strcasecmp(msg->cm_fields['O'], USERCONFIGROOM)) return(0);
 676         if (msg->cm_format_type != 4) return(0);
 677
 678         ptr = msg->cm_fields['M'];
 679         if (ptr == NULL) return(0);
 680         while (ptr != NULL) {
 681
 682                 linelen = strcspn(ptr, "\n");
 683                 if (linelen == 0) return(0);    /* end of headers */
 684
 685                 if (  (!strncasecmp(ptr, "Content-type: text/x-vcard", 26))
 686                    || (!strncasecmp(ptr, "Content-type: text/vcard", 24)) ) {
 687                         /*
 688                          * Bingo!  The user is uploading a new vCard, so
 689                          * copy it to the Global Address Book room.
 690                          */
 691
 692                         I = atol(msg->cm_fields['I']);
 693                         if (I < 0L) return(0);
 694
 695                         /* Store our Internet return address in memory */
 696                         v = vcard_load(msg->cm_fields['M']);
 697                         extract_inet_email_addrs(CC->cs_inet_email, sizeof CC->cs_inet_email,
 698                                                 CC->cs_inet_other_emails, sizeof CC->cs_inet_other_emails,
 699                                                 v, 1);
 700                         extract_friendly_name(CC->cs_inet_fn, sizeof CC->cs_inet_fn, v);
 701                         vcard_free(v);
 702
 703                         /* Put it in the Global Address Book room... */
 704                         CtdlSaveMsgPointerInRoom(ADDRESS_BOOK_ROOM, I, 1, msg);
 705
 706                         /* ...and also in the directory database. */
 707                         vcard_add_to_directory(I, NULL);
 708
 709                         /* Some sites want an Aide to be notified when a
 710                          * user registers or re-registers...
 711                          */
 712                         set_mm_valid();
 713
 714                         /* ...which also means we need to flag the user */
 715                         lgetuser(&CC->user, CC->curr_user);
 716                         CC->user.flags |= (US_REGIS|US_NEEDVALID);
 717                         lputuser(&CC->user);
 718
 719                         return(0);
 720                 }
 721
 722                 ptr = strchr((char *)ptr, '\n');
 723                 if (ptr != NULL) ++ptr;
 724         }
 725
 726         return(0);
 727 }
 728
 729
 730
 731 /*
 732  * back end function used for callbacks
 733  */
 734 void vcard_gu_backend(long supplied_msgnum, void *userdata) {
 735         long *msgnum;
 736
 737         msgnum = (long *) userdata;
 738         *msgnum = supplied_msgnum;
 739 }
 740
 741
 742 /*
 743  * If this user has a vcard on disk, read it into memory, otherwise allocate
 744  * and return an empty vCard.
 745  */
 746 struct vCard *vcard_get_user(struct ctdluser *u) {
 747         char hold_rm[ROOMNAMELEN];
 748         char config_rm[ROOMNAMELEN];
 749         struct CtdlMessage *msg = NULL;
 750         struct vCard *v;
 751         long VCmsgnum;
 752
 753         strcpy(hold_rm, CC->room.QRname);       /* save current room */
 754         MailboxName(config_rm, sizeof config_rm, u, USERCONFIGROOM);
 755
 756         if (getroom(&CC->room, config_rm) != 0) {
 757                 getroom(&CC->room, hold_rm);
 758                 return vcard_new();
 759         }
 760
 761         /* We want the last (and probably only) vcard in this room */
 762         VCmsgnum = (-1);
 763         CtdlForEachMessage(MSGS_LAST, 1, NULL, "^[Tt][Ee][Xx][Tt]/.*[Vv][Cc][Aa][Rr][Dd]$",
 764                 NULL, vcard_gu_backend, (void *)&VCmsgnum );
 765         getroom(&CC->room, hold_rm);    /* return to saved room */
 766
 767         if (VCmsgnum < 0L) return vcard_new();
 768
 769         msg = CtdlFetchMessage(VCmsgnum, 1);
 770         if (msg == NULL) return vcard_new();
 771
 772         v = vcard_load(msg->cm_fields['M']);
 773         CtdlFreeMessage(msg);
 774         return v;
 775 }
 776
 777
 778 /*
 779  * Store this user's vCard in the appropriate place
 780  */
 781 /*
 782  * Write our config to disk
 783  */
 784 void vcard_write_user(struct ctdluser *u, struct vCard *v) {
 785         char temp[PATH_MAX];
 786         FILE *fp;
 787         char *ser;
 788
 789         CtdlMakeTempFileName(temp, sizeof temp);
 790         ser = vcard_serialize(v);
 791
 792         fp = fopen(temp, "w");
 793         if (fp == NULL) return;
 794         if (ser == NULL) {
 795                 fprintf(fp, "begin:vcard\r\nend:vcard\r\n");
 796         } else {
 797                 fwrite(ser, strlen(ser), 1, fp);
 798                 free(ser);
 799         }
 800         fclose(fp);
 801
 802         /* This handy API function does all the work for us.
 803          * NOTE: normally we would want to set that last argument to 1, to
 804          * force the system to delete the user's old vCard.  But it doesn't
 805          * have to, because the vcard_upload_beforesave() hook above
 806          * is going to notice what we're trying to do, and delete the old vCard.
 807          */
 808         CtdlWriteObject(USERCONFIGROOM, /* which room */
 809                         VCARD_MIME_TYPE,/* MIME type */
 810                         temp,           /* temp file */
 811                         u,              /* which user */
 812                         0,              /* not binary */
 813                         0,              /* don't delete others of this type */
 814                         0);             /* no flags */
 815
 816         unlink(temp);
 817 }
 818
 819
 820
 821 /*
 822  * Old style "enter registration info" command.  This function simply honors
 823  * the REGI protocol command, translates the entered parameters into a vCard,
 824  * and enters the vCard into the user's configuration.
 825  */
 826 void cmd_regi(char *argbuf) {
 827         int a,b,c;
 828         char buf[SIZ];
 829         struct vCard *my_vcard;
 830
 831         char tmpaddr[SIZ];
 832         char tmpcity[SIZ];
 833         char tmpstate[SIZ];
 834         char tmpzip[SIZ];
 835         char tmpaddress[SIZ];
 836         char tmpcountry[SIZ];
 837
 838         unbuffer_output();
 839
 840         if (!(CC->logged_in)) {
 841                 cprintf("%d Not logged in.\n",ERROR + NOT_LOGGED_IN);
 842                 return;
 843         }
 844
 845         /* If users cannot create their own accounts, they cannot re-register either. */
 846         if ( (config.c_disable_newu) && (CC->user.axlevel < 6) ) {
 847                 cprintf("%d Self-service registration is not allowed here.\n",
 848                         ERROR + HIGHER_ACCESS_REQUIRED);
 849         }
 850
 851         my_vcard = vcard_get_user(&CC->user);
 852         strcpy(tmpaddr, "");
 853         strcpy(tmpcity, "");
 854         strcpy(tmpstate, "");
 855         strcpy(tmpzip, "");
 856         strcpy(tmpcountry, "USA");
 857
 858         cprintf("%d Send registration...\n", SEND_LISTING);
 859         a=0;
 860         while (client_getln(buf, sizeof buf), strcmp(buf,"000")) {
 861                 if (a==0) vcard_set_prop(my_vcard, "n", buf, 0);
 862                 if (a==1) strcpy(tmpaddr, buf);
 863                 if (a==2) strcpy(tmpcity, buf);
 864                 if (a==3) strcpy(tmpstate, buf);
 865                 if (a==4) {
 866                         for (c=0; buf[c]; ++c) {
 867                                 if ((buf[c]>='0') && (buf[c]<='9')) {
 868                                         b = strlen(tmpzip);
 869                                         tmpzip[b] = buf[c];
 870                                         tmpzip[b+1] = 0;
 871                                 }
 872                         }
 873                 }
 874                 if (a==5) vcard_set_prop(my_vcard, "tel;home", buf, 0);
 875                 if (a==6) vcard_set_prop(my_vcard, "email;internet", buf, 0);
 876                 if (a==7) strcpy(tmpcountry, buf);
 877                 ++a;
 878         }
 879
 880         snprintf(tmpaddress, sizeof tmpaddress, ";;%s;%s;%s;%s;%s",
 881                 tmpaddr, tmpcity, tmpstate, tmpzip, tmpcountry);
 882         vcard_set_prop(my_vcard, "adr", tmpaddress, 0);
 883         vcard_write_user(&CC->user, my_vcard);
 884         vcard_free(my_vcard);
 885 }
 886
 887
 888 /*
 889  * Protocol command to fetch registration info for a user
 890  */
 891 void cmd_greg(char *argbuf)
 892 {
 893         struct ctdluser usbuf;
 894         struct vCard *v;
 895         char *s;
 896         char who[USERNAME_SIZE];
 897         char adr[256];
 898         char buf[256];
 899
 900         extract_token(who, argbuf, 0, '|', sizeof who);
 901
 902         if (!(CC->logged_in)) {
 903                 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
 904                 return;
 905         }
 906
 907         if (!strcasecmp(who,"_SELF_")) strcpy(who,CC->curr_user);
 908
 909         if ((CC->user.axlevel < 6) && (strcasecmp(who,CC->curr_user))) {
 910                 cprintf("%d Higher access required.\n",
 911                         ERROR + HIGHER_ACCESS_REQUIRED);
 912                 return;
 913         }
 914
 915         if (getuser(&usbuf, who) != 0) {
 916                 cprintf("%d '%s' not found.\n", ERROR + NO_SUCH_USER, who);
 917                 return;
 918         }
 919
 920         v = vcard_get_user(&usbuf);
 921
 922         cprintf("%d %s\n", LISTING_FOLLOWS, usbuf.fullname);
 923         cprintf("%ld\n", usbuf.usernum);
 924         cprintf("%s\n", usbuf.password);
 925         s = vcard_get_prop(v, "n", 0, 0, 0);
 926         cprintf("%s\n", s ? s : " ");   /* name */
 927
 928         s = vcard_get_prop(v, "adr", 0, 0, 0);
 929         snprintf(adr, sizeof adr, "%s", s ? s : " ");/* address... */
 930
 931         extract_token(buf, adr, 2, ';', sizeof buf);
 932         cprintf("%s\n", buf);                           /* street */
 933         extract_token(buf, adr, 3, ';', sizeof buf);
 934         cprintf("%s\n", buf);                           /* city */
 935         extract_token(buf, adr, 4, ';', sizeof buf);
 936         cprintf("%s\n", buf);                           /* state */
 937         extract_token(buf, adr, 5, ';', sizeof buf);
 938         cprintf("%s\n", buf);                           /* zip */
 939
 940         s = vcard_get_prop(v, "tel;home", 0, 0, 0);
 941         if (s == NULL) s = vcard_get_prop(v, "tel", 1, 0, 0);
 942         if (s != NULL) {
 943                 cprintf("%s\n", s);
 944         }
 945         else {
 946                 cprintf(" \n");
 947         }
 948
 949         cprintf("%d\n", usbuf.axlevel);
 950
 951         s = vcard_get_prop(v, "email;internet", 0, 0, 0);
 952         cprintf("%s\n", s ? s : " ");
 953         s = vcard_get_prop(v, "adr", 0, 0, 0);
 954         snprintf(adr, sizeof adr, "%s", s ? s : " ");/* address... */
 955
 956         extract_token(buf, adr, 6, ';', sizeof buf);
 957         cprintf("%s\n", buf);                           /* country */
 958         cprintf("000\n");
 959         vcard_free(v);
 960 }
 961
 962
 963
 964 /*
 965  * When a user is being created, create his/her vCard.
 966  */
 967 void vcard_newuser(struct ctdluser *usbuf) {
 968         char vname[256];
 969         char buf[256];
 970         int i;
 971         struct vCard *v;
 972
 973         vcard_fn_to_n(vname, usbuf->fullname, sizeof vname);
 974         lprintf(CTDL_DEBUG, "Converted <%s> to <%s>\n", usbuf->fullname, vname);
 975
 976         /* Create and save the vCard */
 977         v = vcard_new();
 978         if (v == NULL) return;
 979         sprintf(buf, "%s@%s", usbuf->fullname, config.c_fqdn);
 980         for (i=0; buf[i]; ++i) {
 981                 if (buf[i] == ' ') buf[i] = '_';
 982         }
 983         vcard_add_prop(v, "fn", usbuf->fullname);
 984         vcard_add_prop(v, "n", vname);
 985         vcard_add_prop(v, "adr", "adr:;;_;_;_;00000;__");
 986         vcard_add_prop(v, "email;internet", buf);
 987         vcard_write_user(usbuf, v);
 988         vcard_free(v);
 989 }
 990
 991
 992 /*
 993  * When a user is being deleted, we have to remove his/her vCard.
 994  * This is accomplished by issuing a message with 'CANCEL' in the S (special)
 995  * field, and the same Exclusive ID as the existing card.
 996  */
 997 void vcard_purge(struct ctdluser *usbuf) {
 998         struct CtdlMessage *msg;
 999         char buf[SIZ];
1000
1001         msg = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1002         if (msg == NULL) return;
1003         memset(msg, 0, sizeof(struct CtdlMessage));
1004
1005         msg->cm_magic = CTDLMESSAGE_MAGIC;
1006         msg->cm_anon_type = MES_NORMAL;
1007         msg->cm_format_type = 0;
1008         msg->cm_fields['A'] = strdup(usbuf->fullname);
1009         msg->cm_fields['O'] = strdup(ADDRESS_BOOK_ROOM);
1010         msg->cm_fields['N'] = strdup(NODENAME);
1011         msg->cm_fields['M'] = strdup("Purge this vCard\n");
1012
1013         snprintf(buf, sizeof buf, VCARD_EXT_FORMAT,
1014                         msg->cm_fields['A'], NODENAME);
1015         msg->cm_fields['E'] = strdup(buf);
1016
1017         msg->cm_fields['S'] = strdup("CANCEL");
1018
1019         CtdlSubmitMsg(msg, NULL, ADDRESS_BOOK_ROOM);
1020         CtdlFreeMessage(msg);
1021 }
1022
1023
1024 /*
1025  * Grab vCard directory stuff out of incoming network messages
1026  */
1027 int vcard_extract_from_network(struct CtdlMessage *msg, char *target_room) {
1028         char *ptr;
1029         int linelen;
1030
1031         if (msg == NULL) return(0);
1032
1033         if (strcasecmp(target_room, ADDRESS_BOOK_ROOM)) {
1034                 return(0);
1035         }
1036
1037         if (msg->cm_format_type != 4) return(0);
1038
1039         ptr = msg->cm_fields['M'];
1040         if (ptr == NULL) return(0);
1041         while (ptr != NULL) {
1042
1043                 linelen = strcspn(ptr, "\n");
1044                 if (linelen == 0) return(0);    /* end of headers */
1045
1046                 if (  (!strncasecmp(ptr, "Content-type: text/x-vcard", 26))
1047                    || (!strncasecmp(ptr, "Content-type: text/vcard", 24)) ) {
1048                         /* It's a vCard.  Add it to the directory. */
1049                         vcard_extract_internet_addresses(msg, CtdlDirectoryAddUser);
1050                         return(0);
1051                 }
1052
1053                 ptr = strchr((char *)ptr, '\n');
1054                 if (ptr != NULL) ++ptr;
1055         }
1056
1057         return(0);
1058 }
1059
1060
1061
1062 /*
1063  * When a vCard is being removed from the Global Address Book room, remove it
1064  * from the directory as well.
1065  */
1066 void vcard_delete_remove(char *room, long msgnum) {
1067         struct CtdlMessage *msg;
1068         char *ptr;
1069         int linelen;
1070
1071         if (msgnum <= 0L) return;
1072
1073         if (room == NULL) return;
1074
1075         if (strcasecmp(room, ADDRESS_BOOK_ROOM)) {
1076                 return;
1077         }
1078
1079         msg = CtdlFetchMessage(msgnum, 1);
1080         if (msg == NULL) return;
1081
1082         ptr = msg->cm_fields['M'];
1083         if (ptr == NULL) goto EOH;
1084         while (ptr != NULL) {
1085                 linelen = strcspn(ptr, "\n");
1086                 if (linelen == 0) goto EOH;
1087
1088                 if (  (!strncasecmp(ptr, "Content-type: text/x-vcard", 26))
1089                    || (!strncasecmp(ptr, "Content-type: text/vcard", 24)) ) {
1090                         /* Bingo!  A vCard is being deleted. */
1091                         vcard_extract_internet_addresses(msg, CtdlDirectoryDelUser);
1092 #ifdef HAVE_LDAP
1093                         ctdl_vcard_to_ldap(msg, V2L_DELETE);
1094 #endif
1095                 }
1096                 ptr = strchr((char *)ptr, '\n');
1097                 if (ptr != NULL) ++ptr;
1098         }
1099
1100 EOH:    CtdlFreeMessage(msg);
1101 }
1102
1103
1104
1105 /*
1106  * Get Valid Screen Names
1107  */
1108 void cmd_gvsn(char *argbuf)
1109 {
1110         if (CtdlAccessCheck(ac_logged_in)) return;
1111
1112         cprintf("%d valid screen names:\n", LISTING_FOLLOWS);
1113         cprintf("%s\n", CC->user.fullname);
1114         if ( (!IsEmptyStr(CC->cs_inet_fn)) && (strcasecmp(CC->user.fullname, CC->cs_inet_fn)) ) {
1115                 cprintf("%s\n", CC->cs_inet_fn);
1116         }
1117         cprintf("000\n");
1118 }
1119
1120
1121 /*
1122  * Get Valid Email Addresses
1123  */
1124 void cmd_gvea(char *argbuf)
1125 {
1126         int num_secondary_emails = 0;
1127         int i;
1128         char buf[256];
1129
1130         if (CtdlAccessCheck(ac_logged_in)) return;
1131
1132         cprintf("%d valid email addresses:\n", LISTING_FOLLOWS);
1133         if (!IsEmptyStr(CC->cs_inet_email)) {
1134                 cprintf("%s\n", CC->cs_inet_email);
1135         }
1136         if (!IsEmptyStr(CC->cs_inet_other_emails)) {
1137                 num_secondary_emails = num_tokens(CC->cs_inet_other_emails, '|');
1138                 for (i=0; i<num_secondary_emails; ++i) {
1139                         extract_token(buf, CC->cs_inet_other_emails,i,'|',sizeof CC->cs_inet_other_emails);
1140                         cprintf("%s\n", buf);
1141                 }
1142         }
1143         cprintf("000\n");
1144 }
1145
1146
1147
1148
1149 /*
1150  * Callback function for cmd_dvca() that hunts for vCard content types
1151  * and outputs any email addresses found within.
1152  */
1153 void dvca_mime_callback(char *name, char *filename, char *partnum, char *disp,
1154                 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1155                 void *cbuserdata) {
1156
1157         struct vCard *v;
1158         char displayname[256];
1159         int displayname_len;
1160         char emailaddr[256];
1161         int i;
1162         int has_commas = 0;
1163
1164         if ( (strcasecmp(cbtype, "text/vcard")) && (strcasecmp(cbtype, "text/x-vcard")) ) {
1165                 return;
1166         }
1167
1168         v = vcard_load(content);
1169         if (v == NULL) return;
1170
1171         extract_friendly_name(displayname, sizeof displayname, v);
1172         extract_inet_email_addrs(emailaddr, sizeof emailaddr, NULL, 0, v, 0);
1173
1174         displayname_len = strlen(displayname);
1175         for (i=0; i<displayname_len; ++i) {
1176                 if (displayname[i] == '\"') displayname[i] = ' ';
1177                 if (displayname[i] == ';') displayname[i] = ',';
1178                 if (displayname[i] == ',') has_commas = 1;
1179         }
1180         striplt(displayname);
1181
1182         cprintf("%s%s%s <%s>\n",
1183                 (has_commas ? "\"" : ""),
1184                 displayname,
1185                 (has_commas ? "\"" : ""),
1186                 emailaddr
1187         );
1188
1189         vcard_free(v);
1190 }
1191
1192
1193 /*
1194  * Back end callback function for cmd_dvca()
1195  *
1196  * It's basically just passed a list of message numbers, which we're going
1197  * to fetch off the disk and then pass along to the MIME parser via another
1198  * layer of callback...
1199  */
1200 void dvca_callback(long msgnum, void *userdata) {
1201         struct CtdlMessage *msg = NULL;
1202
1203         msg = CtdlFetchMessage(msgnum, 1);
1204         if (msg == NULL) return;
1205         mime_parser(msg->cm_fields['M'],
1206                 NULL,
1207                 *dvca_mime_callback,    /* callback function */
1208                 NULL, NULL,
1209                 NULL,                   /* user data */
1210                 0
1211         );
1212         CtdlFreeMessage(msg);
1213 }
1214
1215
1216 /*
1217  * Dump VCard Addresses
1218  */
1219 void cmd_dvca(char *argbuf)
1220 {
1221         if (CtdlAccessCheck(ac_logged_in)) return;
1222
1223         cprintf("%d addresses:\n", LISTING_FOLLOWS);
1224         CtdlForEachMessage(MSGS_ALL, 0, NULL, NULL, NULL, dvca_callback, NULL);
1225         cprintf("000\n");
1226 }
1227
1228
1229 /*
1230  * Query Directory
1231  */
1232 void cmd_qdir(char *argbuf) {
1233         char citadel_addr[256];
1234         char internet_addr[256];
1235
1236         if (CtdlAccessCheck(ac_logged_in)) return;
1237
1238         extract_token(internet_addr, argbuf, 0, '|', sizeof internet_addr);
1239
1240         if (CtdlDirectoryLookup(citadel_addr, internet_addr, sizeof citadel_addr) != 0) {
1241                 cprintf("%d %s was not found.\n",
1242                         ERROR + NO_SUCH_USER, internet_addr);
1243                 return;
1244         }
1245
1246         cprintf("%d %s\n", CIT_OK, citadel_addr);
1247 }
1248
1249 /*
1250  * Query Directory, in fact an alias to match postfix tcp auth.
1251  */
1252 void check_get(void) {
1253         char internet_addr[256];
1254
1255         char cmdbuf[SIZ];
1256
1257         time(&CC->lastcmd);
1258         memset(cmdbuf, 0, sizeof cmdbuf); /* Clear it, just in case */
1259         if (client_getln(cmdbuf, sizeof cmdbuf) < 1) {
1260                 lprintf(CTDL_CRIT, "Client disconnected: ending session.\n");
1261                 CC->kill_me = 1;
1262                 return;
1263         }
1264         lprintf(CTDL_INFO, ": %s\n", cmdbuf);
1265         while (strlen(cmdbuf) < 3) strcat(cmdbuf, " ");
1266
1267         if (strcasecmp(cmdbuf, "GET "));
1268         {
1269                 struct recptypes *rcpt;
1270                 char *argbuf = &cmdbuf[4];
1271
1272                 extract_token(internet_addr, argbuf, 0, '|', sizeof internet_addr);
1273                 rcpt = validate_recipients(internet_addr);
1274                 if ((rcpt != NULL)&&
1275                         (
1276                          (*rcpt->recp_local != '\0')||
1277                          (*rcpt->recp_room != '\0')||
1278                          (*rcpt->recp_ignet != '\0')))
1279                 {
1280
1281                         cprintf("200 OK %s\n", internet_addr);
1282                         lprintf(CTDL_INFO, "sending 200 OK for the room %s\n", rcpt->display_recp);
1283                 }
1284                 else
1285                 {
1286                         cprintf("500 REJECT noone here by that name.\n");
1287
1288                         lprintf(CTDL_INFO, "sending 500 REJECT noone here by that name: %s\n", internet_addr);
1289                 }
1290                 if (rcpt != NULL) free_recipients(rcpt);
1291         }
1292 }
1293
1294 void check_get_greeting(void) {
1295 /* dummy function, we have no greeting in this verry simple protocol. */
1296 }
1297
1298
1299 /*
1300  * We don't know if the Contacts room exists so we just create it at login
1301  */
1302 void vcard_create_room(void)
1303 {
1304         struct ctdlroom qr;
1305         struct visit vbuf;
1306
1307         /* Create the calendar room if it doesn't already exist */
1308         create_room(USERCONTACTSROOM, 4, "", 0, 1, 0, VIEW_ADDRESSBOOK);
1309
1310         /* Set expiration policy to manual; otherwise objects will be lost! */
1311         if (lgetroom(&qr, USERCONTACTSROOM)) {
1312                 lprintf(CTDL_ERR, "Couldn't get the user CONTACTS room!\n");
1313                 return;
1314         }
1315         qr.QRep.expire_mode = EXPIRE_MANUAL;
1316         qr.QRdefaultview = VIEW_ADDRESSBOOK;    /* 2 = address book view */
1317         lputroom(&qr);
1318
1319         /* Set the view to a calendar view */
1320         CtdlGetRelationship(&vbuf, &CC->user, &qr);
1321         vbuf.v_view = 2;        /* 2 = address book view */
1322         CtdlSetRelationship(&vbuf, &CC->user, &qr);
1323
1324         return;
1325 }
1326
1327
1328
1329
1330 /*
1331  * When a user logs in...
1332  */
1333 void vcard_session_login_hook(void) {
1334         struct vCard *v = NULL;
1335
1336         v = vcard_get_user(&CC->user);
1337         extract_inet_email_addrs(CC->cs_inet_email, sizeof CC->cs_inet_email,
1338                                 CC->cs_inet_other_emails, sizeof CC->cs_inet_other_emails,
1339                                 v, 1);
1340         extract_friendly_name(CC->cs_inet_fn, sizeof CC->cs_inet_fn, v);
1341         vcard_free(v);
1342
1343         vcard_create_room();
1344 }
1345
1346
1347 /*
1348  * Turn an arbitrary RFC822 address into a struct vCard for possible
1349  * inclusion into an address book.
1350  */
1351 struct vCard *vcard_new_from_rfc822_addr(char *addr) {
1352         struct vCard *v;
1353         char user[256], node[256], name[256], email[256], n[256], uid[256];
1354         int i;
1355
1356         v = vcard_new();
1357         if (v == NULL) return(NULL);
1358
1359         process_rfc822_addr(addr, user, node, name);
1360         vcard_set_prop(v, "fn", name, 0);
1361
1362         vcard_fn_to_n(n, name, sizeof n);
1363         vcard_set_prop(v, "n", n, 0);
1364
1365         snprintf(email, sizeof email, "%s@%s", user, node);
1366         vcard_set_prop(v, "email;internet", email, 0);
1367
1368         snprintf(uid, sizeof uid, "collected: %s %s@%s", name, user, node);
1369         for (i=0; uid[i]; ++i) {
1370                 if (isspace(uid[i])) uid[i] = '_';
1371                 uid[i] = tolower(uid[i]);
1372         }
1373         vcard_set_prop(v, "UID", uid, 0);
1374
1375         return(v);
1376 }
1377
1378
1379
1380 /*
1381  * This is called by store_harvested_addresses() to remove from the
1382  * list any addresses we already have in our address book.
1383  */
1384 void strip_addresses_already_have(long msgnum, void *userdata) {
1385         char *collected_addresses;
1386         struct CtdlMessage *msg = NULL;
1387         struct vCard *v;
1388         char *value = NULL;
1389         int i, j;
1390         char addr[256], user[256], node[256], name[256];
1391
1392         collected_addresses = (char *)userdata;
1393
1394         msg = CtdlFetchMessage(msgnum, 1);
1395         if (msg == NULL) return;
1396         v = vcard_load(msg->cm_fields['M']);
1397         CtdlFreeMessage(msg);
1398
1399         i = 0;
1400         while (value = vcard_get_prop(v, "email", 1, i++, 0), value != NULL) {
1401
1402                 for (j=0; j<num_tokens(collected_addresses, ','); ++j) {
1403                         extract_token(addr, collected_addresses, j, ',', sizeof addr);
1404
1405                         /* Remove the address if we already have it! */
1406                         process_rfc822_addr(addr, user, node, name);
1407                         snprintf(addr, sizeof addr, "%s@%s", user, node);
1408                         if (!strcasecmp(value, addr)) {
1409                                 remove_token(collected_addresses, j, ',');
1410                         }
1411                 }
1412
1413         }
1414
1415         vcard_free(v);
1416 }
1417
1418
1419
1420 /*
1421  * Back end function for store_harvested_addresses()
1422  */
1423 void store_this_ha(struct addresses_to_be_filed *aptr) {
1424         struct CtdlMessage *vmsg = NULL;
1425         long vmsgnum = (-1L);
1426         char *ser = NULL;
1427         struct vCard *v = NULL;
1428         char recipient[256];
1429         int i;
1430
1431         /* First remove any addresses we already have in the address book */
1432         usergoto(aptr->roomname, 0, 0, NULL, NULL);
1433         CtdlForEachMessage(MSGS_ALL, 0, NULL, "^[Tt][Ee][Xx][Tt]/.*[Vv][Cc][Aa][Rr][Dd]$", NULL,
1434                 strip_addresses_already_have, aptr->collected_addresses);
1435
1436         if (!IsEmptyStr(aptr->collected_addresses))
1437            for (i=0; i<num_tokens(aptr->collected_addresses, ','); ++i) {
1438
1439                 /* Make a vCard out of each address */
1440                 extract_token(recipient, aptr->collected_addresses, i, ',', sizeof recipient);
1441                 striplt(recipient);
1442                 v = vcard_new_from_rfc822_addr(recipient);
1443                 if (v != NULL) {
1444                         vmsg = malloc(sizeof(struct CtdlMessage));
1445                         memset(vmsg, 0, sizeof(struct CtdlMessage));
1446                         vmsg->cm_magic = CTDLMESSAGE_MAGIC;
1447                         vmsg->cm_anon_type = MES_NORMAL;
1448                         vmsg->cm_format_type = FMT_RFC822;
1449                         vmsg->cm_fields['A'] = strdup("Citadel");
1450                         vmsg->cm_fields['E'] =  strdup(vcard_get_prop(v, "UID", 0, 0, 0));
1451                         ser = vcard_serialize(v);
1452                         if (ser != NULL) {
1453                                 vmsg->cm_fields['M'] = malloc(strlen(ser) + 1024);
1454                                 sprintf(vmsg->cm_fields['M'],
1455                                         "Content-type: " VCARD_MIME_TYPE
1456                                         "\r\n\r\n%s\r\n", ser);
1457                                 free(ser);
1458                         }
1459                         vcard_free(v);
1460
1461                         lprintf(CTDL_DEBUG, "Adding contact: %s\n", recipient);
1462                         vmsgnum = CtdlSubmitMsg(vmsg, NULL, aptr->roomname);
1463                         CtdlFreeMessage(vmsg);
1464                 }
1465         }
1466
1467         free(aptr->roomname);
1468         free(aptr->collected_addresses);
1469         free(aptr);
1470 }
1471
1472
1473 /*
1474  * When a user sends a message, we may harvest one or more email addresses
1475  * from the recipient list to be added to the user's address book.  But we
1476  * want to do this asynchronously so it doesn't keep the user waiting.
1477  */
1478 void store_harvested_addresses(void) {
1479
1480         struct addresses_to_be_filed *aptr = NULL;
1481
1482         if (atbf == NULL) return;
1483
1484         begin_critical_section(S_ATBF);
1485         while (atbf != NULL) {
1486                 aptr = atbf;
1487                 atbf = atbf->next;
1488                 end_critical_section(S_ATBF);
1489                 store_this_ha(aptr);
1490                 begin_critical_section(S_ATBF);
1491         }
1492         end_critical_section(S_ATBF);
1493 }
1494
1495
1496 /*
1497  * Function to output vCard data as plain text.  Nobody uses MSG0 anymore, so
1498  * really this is just so we expose the vCard data to the full text indexer.
1499  */
1500 void vcard_fixed_output(char *ptr, int len) {
1501         char *serialized_vcard;
1502         struct vCard *v;
1503         char *key, *value;
1504         int i = 0;
1505
1506         serialized_vcard = malloc(len + 1);
1507         safestrncpy(serialized_vcard, ptr, len+1);
1508         v = vcard_load(serialized_vcard);
1509         free(serialized_vcard);
1510
1511         i = 0;
1512         while (key = vcard_get_prop(v, "", 0, i, 1), key != NULL) {
1513                 value = vcard_get_prop(v, "", 0, i++, 0);
1514                 cprintf("%s\n", value);
1515         }
1516
1517         vcard_free(v);
1518 }
1519
1520
1521 const char *CitadelServiceDICT_TCP="DICT_TCP";
1522
1523 CTDL_MODULE_INIT(vcard)
1524 {
1525         struct ctdlroom qr;
1526         char filename[256];
1527         FILE *fp;
1528
1529         CtdlRegisterSessionHook(vcard_session_login_hook, EVT_LOGIN);
1530         CtdlRegisterMessageHook(vcard_upload_beforesave, EVT_BEFORESAVE);
1531         CtdlRegisterMessageHook(vcard_upload_aftersave, EVT_AFTERSAVE);
1532         CtdlRegisterDeleteHook(vcard_delete_remove);
1533         CtdlRegisterProtoHook(cmd_regi, "REGI", "Enter registration info");
1534         CtdlRegisterProtoHook(cmd_greg, "GREG", "Get registration info");
1535         CtdlRegisterProtoHook(cmd_igab, "IGAB",
1536                                         "Initialize Global Address Book");
1537         CtdlRegisterProtoHook(cmd_qdir, "QDIR", "Query Directory");
1538         CtdlRegisterProtoHook(cmd_gvsn, "GVSN", "Get Valid Screen Names");
1539         CtdlRegisterProtoHook(cmd_gvea, "GVEA", "Get Valid Email Addresses");
1540         CtdlRegisterProtoHook(cmd_dvca, "DVCA", "Dump VCard Addresses");
1541         CtdlRegisterUserHook(vcard_newuser, EVT_NEWUSER);
1542         CtdlRegisterUserHook(vcard_purge, EVT_PURGEUSER);
1543         CtdlRegisterNetprocHook(vcard_extract_from_network);
1544         CtdlRegisterSessionHook(store_harvested_addresses, EVT_TIMER);
1545         CtdlRegisterFixedOutputHook("text/x-vcard", vcard_fixed_output);
1546         CtdlRegisterFixedOutputHook("text/vcard", vcard_fixed_output);
1547
1548         /* Create the Global ADdress Book room if necessary */
1549         create_room(ADDRESS_BOOK_ROOM, 3, "", 0, 1, 0, VIEW_ADDRESSBOOK);
1550
1551         /* Set expiration policy to manual; otherwise objects will be lost! */
1552         if (!lgetroom(&qr, ADDRESS_BOOK_ROOM)) {
1553                 qr.QRep.expire_mode = EXPIRE_MANUAL;
1554                 qr.QRdefaultview = VIEW_ADDRESSBOOK;    /* 2 = address book view */
1555                 lputroom(&qr);
1556
1557                 /*
1558                  * Also make sure it has a netconfig file, so the networker runs
1559                  * on this room even if we don't share it with any other nodes.
1560                  * This allows the CANCEL messages (i.e. "Purge this vCard") to be
1561                  * purged.
1562                  */
1563                 assoc_file_name(filename, sizeof filename, &qr, ctdl_netcfg_dir);
1564                 fp = fopen(filename, "a");
1565                 if (fp != NULL) fclose(fp);
1566                 chown(filename, CTDLUID, (-1));
1567         }
1568
1569         /* for postfix tcpdict */
1570         CtdlRegisterServiceHook(config.c_pftcpdict_port,        /* Postfix */
1571                                 NULL,
1572                                 check_get_greeting,
1573                                 check_get,
1574                                 NULL,
1575                                 CitadelServiceDICT_TCP);
1576
1577         /* return our Subversion id for the Log */
1578         return "$Id$";
1579 }