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_directory(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         char *EUID=NULL;
 160
 161         if (msg == NULL) return;
 162         if (msg->cm_fields['M'] == NULL) return;
 163         if (msg->cm_fields['A'] == NULL) return;
 164         if (msg->cm_fields['N'] == NULL) return;
 165
 166         /* Initialize variables */
 167         strcpy(givenname, "");
 168         strcpy(sn, "");
 169         strcpy(calFBURL, "");
 170
 171         sprintf(uid, "%s@%s",
 172                 msg->cm_fields['A'],
 173                 msg->cm_fields['N']
 174         );
 175
 176         /* Are we just deleting?  If so, it's simple... */
 177         if (op == V2L_DELETE) {
 178                 (void) CtdlDoDirectoryServiceFunc (msg->cm_fields['A'], msg->cm_fields['N'], NULL, "ldap", DIRECTORY_USER_DEL);
 179                 return;
 180         }
 181
 182         /*
 183          * If we get to this point then it must be a V2L_WRITE operation.
 184          */
 185
 186         /* First make sure the OU for the user's home Citadel host is created */
 187         (void) CtdlDoDirectoryServiceFunc (NULL, msg->cm_fields['N'], NULL, "ldap", DIRECTORY_CREATE_HOST);
 188
 189         /* Next create the directory service object */
 190         (void) CtdlDoDirectoryServiceFunc(NULL, NULL, &objectlist, "ldap", DIRECTORY_CREATE_OBJECT);
 191
 192         /* The first LDAP attribute will be an 'objectclass' list.  Citadel
 193          * doesn't do anything with this.  It's just there for compatibility
 194          * with Kolab.
 195          */
 196         (void) CtdlDoDirectoryServiceFunc("objectclass", "citadelInetOrgPerson", &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 197
 198         /* Convert the vCard fields to LDAP properties */
 199         v = vcard_load(msg->cm_fields['M']);
 200         if (v->numprops) for (i=0; i<(v->numprops); ++i) if (striplt(v->prop[i].value), strlen(v->prop[i].value) > 0) {
 201
 202                 if (!strcasecmp(v->prop[i].name, "n")) {
 203                         extract_token(sn,               v->prop[i].value, 0, ';', sizeof sn);
 204                         extract_token(givenname,        v->prop[i].value, 1, ';', sizeof givenname);
 205                 }
 206
 207                 if (!strcasecmp(v->prop[i].name, "fn")) {
 208                         (void) CtdlDoDirectoryServiceFunc("cn", v->prop[i].value, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 209                         have_cn = 1;
 210                 }
 211
 212                 if (!strcasecmp(v->prop[i].name, "title")) {
 213                         (void) CtdlDoDirectoryServiceFunc("title", v->prop[i].value, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 214                 }
 215
 216                 if (!strcasecmp(v->prop[i].name, "org")) {
 217                         (void) CtdlDoDirectoryServiceFunc("o", v->prop[i].value, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 218                 }
 219
 220                 if ( (!strcasecmp(v->prop[i].name, "adr"))
 221                    ||(!strncasecmp(v->prop[i].name, "adr;", 4)) ) {
 222                         /* Unfortunately, we can only do a single address */
 223                         if (!have_addr) {
 224                                 have_addr = 1;
 225                                 strcpy(street, "");
 226                                 extract_token(&street[strlen(street)],
 227                                         v->prop[i].value, 0, ';', (sizeof street - strlen(street))); /* po box */
 228                                 strcat(street, " ");
 229                                 extract_token(&street[strlen(street)],
 230                                         v->prop[i].value, 1, ';', (sizeof street - strlen(street))); /* extend addr */
 231                                 strcat(street, " ");
 232                                 extract_token(&street[strlen(street)],
 233                                         v->prop[i].value, 2, ';', (sizeof street - strlen(street))); /* street */
 234                                 striplt(street);
 235                                 extract_token(city, v->prop[i].value, 3, ';', sizeof city);
 236                                 extract_token(state, v->prop[i].value, 4, ';', sizeof state);
 237                                 extract_token(zipcode, v->prop[i].value, 5, ';', sizeof zipcode);
 238
 239                                 (void) CtdlDoDirectoryServiceFunc("street", street, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 240                                 (void) CtdlDoDirectoryServiceFunc("l", city, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 241                                 (void) CtdlDoDirectoryServiceFunc("st", state, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 242                                 (void) CtdlDoDirectoryServiceFunc("postalcode", zipcode, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 243                         }
 244                 }
 245
 246                 if ( (!strcasecmp(v->prop[i].name, "tel"))
 247                    ||(!strncasecmp(v->prop[i].name, "tel;", 4)) ) {
 248                         ++num_phones;
 249                         /* The first 'tel' property creates the 'telephoneNumber' attribute */
 250                         if (num_phones == 1) {
 251                                 (void) CtdlDoDirectoryServiceFunc("telephoneNumber", v->prop[i].value, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 252                         }
 253                         /* Subsequent 'tel' properties *add to* the 'telephoneNumber' attribute */
 254                         else {
 255                                 (void) CtdlDoDirectoryServiceFunc("telephoneNumber", v->prop[i].value, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 256                         }
 257                 }
 258
 259
 260                 if ( (!strcasecmp(v->prop[i].name, "email"))
 261                    ||(!strcasecmp(v->prop[i].name, "email;internet")) ) {
 262
 263                         ++num_emails;
 264                         lprintf(CTDL_DEBUG, "email addr %d\n", num_emails);
 265
 266                         /* The first email address creates the 'mail' attribute */
 267                         if (num_emails == 1) {
 268                                 (void) CtdlDoDirectoryServiceFunc("mail", v->prop[i].value, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 269                         }
 270                         /* The second and subsequent email address creates the 'alias' attribute */
 271                         else if (num_emails >= 2) {
 272                                 (void) CtdlDoDirectoryServiceFunc("alias", v->prop[i].value, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 273                         }
 274                 }
 275
 276                 /* Calendar free/busy URL (take the first one we find, but if a subsequent
 277                  * one contains the "pref" designation then we go with that instead.)
 278                  */
 279                 if ( (!strcasecmp(v->prop[i].name, "fburl"))
 280                    ||(!strncasecmp(v->prop[i].name, "fburl;", 6)) ) {
 281                         if ( (IsEmptyStr(calFBURL))
 282                            || (!strncasecmp(v->prop[i].name, "fburl;pref", 10)) ) {
 283                                 safestrncpy(calFBURL, v->prop[i].value, sizeof calFBURL);
 284                         }
 285                 }
 286
 287         }
 288         vcard_free(v);  /* Don't need this anymore. */
 289
 290         /* "sn" (surname) based on info in vCard */
 291         (void) CtdlDoDirectoryServiceFunc("sn", sn, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 292
 293         /* "givenname" (first name) based on info in vCard */
 294         if (IsEmptyStr(givenname)) strcpy(givenname, "_");
 295         if (IsEmptyStr(sn)) strcpy(sn, "_");
 296         (void) CtdlDoDirectoryServiceFunc("givenname", givenname, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 297
 298         /* "uid" is a Kolab compatibility thing.  We just do cituser@citnode */
 299         (void) CtdlDoDirectoryServiceFunc("uid", uid, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 300
 301         /* Add a "cn" (Common Name) attribute based on the user's screen name,
 302          * but only there was no 'fn' (full name) property in the vCard
 303          */
 304         if (!have_cn)
 305                 (void) CtdlDoDirectoryServiceFunc("cn", msg->cm_fields['A'], &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 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         // Add this messages EUID as the primary key for this entry.
 313         EUID=msg->cm_fields['E'];
 314         (void) CtdlDoDirectoryServiceFunc("euid", EUID, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 315
 316
 317         (void) CtdlDoDirectoryServiceFunc(EUID, msg->cm_fields['N'], &objectlist, "ldap", DIRECTORY_SAVE_OBJECT);
 318
 319         (void) CtdlDoDirectoryServiceFunc(NULL, NULL, &objectlist, "ldap", DIRECTORY_FREE_OBJECT);
 320         lprintf(CTDL_DEBUG, "LDAP write operation complete.\n");
 321 }
 322
 323
 324
 325 /*
 326  * Callback for vcard_add_to_directory()
 327  * (Lotsa ugly nested callbacks.  Oh well.)
 328  */
 329 void vcard_directory_add_user(char *internet_addr, char *citadel_addr) {
 330         char buf[SIZ];
 331
 332         /* We have to validate that we're not stepping on someone else's
 333          * email address ... but only if we're logged in.  Otherwise it's
 334          * probably just the networker or something.
 335          */
 336         if (CC->logged_in) {
 337                 lprintf(CTDL_DEBUG, "Checking for <%s>...\n", internet_addr);
 338                 if (CtdlDirectoryLookup(buf, internet_addr, sizeof buf) == 0) {
 339                         if (strcasecmp(buf, citadel_addr)) {
 340                                 /* This address belongs to someone else.
 341                                  * Bail out silently without saving.
 342                                  */
 343                                 lprintf(CTDL_DEBUG, "DOOP!\n");
 344                                 return;
 345                         }
 346                 }
 347         }
 348         lprintf(CTDL_INFO, "Adding %s (%s) to directory\n",
 349                         citadel_addr, internet_addr);
 350         CtdlDirectoryAddUser(internet_addr, citadel_addr);
 351 }
 352
 353
 354 /*
 355  * Back end function for cmd_igab()
 356  */
 357 void vcard_add_to_directory(long msgnum, void *data) {
 358         struct CtdlMessage *msg;
 359
 360         msg = CtdlFetchMessage(msgnum, 1);
 361         if (msg != NULL) {
 362                 vcard_extract_internet_addresses(msg, vcard_directory_add_user);
 363         }
 364
 365         ctdl_vcard_to_directory(msg, V2L_WRITE);
 366
 367         CtdlFreeMessage(msg);
 368 }
 369
 370
 371 /*
 372  * Initialize Global Adress Book
 373  */
 374 void cmd_igab(char *argbuf) {
 375         char hold_rm[ROOMNAMELEN];
 376
 377         if (CtdlAccessCheck(ac_aide)) return;
 378
 379         strcpy(hold_rm, CC->room.QRname);       /* save current room */
 380
 381         if (getroom(&CC->room, ADDRESS_BOOK_ROOM) != 0) {
 382                 getroom(&CC->room, hold_rm);
 383                 cprintf("%d cannot get address book room\n", ERROR + ROOM_NOT_FOUND);
 384                 return;
 385         }
 386
 387         /* Empty the existing database first.
 388          */
 389         CtdlDirectoryInit();
 390
 391         /* We want *all* vCards in this room */
 392         CtdlForEachMessage(MSGS_ALL, 0, NULL, "^[Tt][Ee][Xx][Tt]/.*[Vv][Cc][Aa][Rr][Dd]$",
 393                 NULL, vcard_add_to_directory, NULL);
 394
 395         getroom(&CC->room, hold_rm);    /* return to saved room */
 396         cprintf("%d Directory has been rebuilt.\n", CIT_OK);
 397 }
 398
 399
 400
 401
 402 /*
 403  * See if there is a valid Internet address in a vCard to use for outbound
 404  * Internet messages.  If there is, stick it in the buffer.
 405  */
 406 void extract_inet_email_addrs(char *emailaddrbuf, size_t emailaddrbuf_len,
 407                                 char *secemailaddrbuf, size_t secemailaddrbuf_len,
 408                                 struct vCard *v, int local_addrs_only) {
 409         char *s, *addr;
 410         int instance = 0;
 411         int saved_instance = 0;
 412
 413         /* Go through the vCard searching for *all* instances of
 414          * the "email;internet" key
 415          */
 416         while (s = vcard_get_prop(v, "email;internet", 0, instance++, 0),  s != NULL) {
 417                 addr = strdup(s);
 418                 striplt(addr);
 419                 if (!IsEmptyStr(addr)) {
 420                         if ( (IsDirectory(addr, 1)) ||
 421                              (!local_addrs_only) ) {
 422                                 ++saved_instance;
 423                                 if ((saved_instance == 1) && (emailaddrbuf != NULL)) {
 424                                         safestrncpy(emailaddrbuf, addr, emailaddrbuf_len);
 425                                 }
 426                                 else if ((saved_instance == 2) && (secemailaddrbuf != NULL)) {
 427                                         safestrncpy(secemailaddrbuf, addr, secemailaddrbuf_len);
 428                                 }
 429                                 else if ((saved_instance > 2) && (secemailaddrbuf != NULL)) {
 430                                         if ( (strlen(addr) + strlen(secemailaddrbuf) + 2)
 431                                            < secemailaddrbuf_len ) {
 432                                                 strcat(secemailaddrbuf, "|");
 433                                                 strcat(secemailaddrbuf, addr);
 434                                         }
 435                                 }
 436                         }
 437                 }
 438                 free(addr);
 439         }
 440 }
 441
 442
 443
 444 /*
 445  * See if there is a name / screen name / friendly name  in a vCard to use for outbound
 446  * Internet messages.  If there is, stick it in the buffer.
 447  */
 448 void extract_friendly_name(char *namebuf, size_t namebuf_len, struct vCard *v)
 449 {
 450         char *s;
 451
 452         s = vcard_get_prop(v, "fn", 0, 0, 0);
 453         if (s == NULL) {
 454                 s = vcard_get_prop(v, "n", 0, 0, 0);
 455         }
 456
 457         if (s != NULL) {
 458                 safestrncpy(namebuf, s, namebuf_len);
 459         }
 460 }
 461
 462
 463 /*
 464  * Callback function for vcard_upload_beforesave() hunts for the real vcard in the MIME structure
 465  */
 466 void vcard_extract_vcard(char *name, char *filename, char *partnum, char *disp,
 467                    void *content, char *cbtype, char *cbcharset, size_t length,
 468                    char *encoding, void *cbuserdata)
 469 {
 470         struct vCard **v = (struct vCard **) cbuserdata;
 471
 472         if (  (!strcasecmp(cbtype, "text/x-vcard"))
 473            || (!strcasecmp(cbtype, "text/vcard")) ) {
 474
 475                 lprintf(CTDL_DEBUG, "Part %s contains a vCard!  Loading...\n", partnum);
 476                 if (*v != NULL) {
 477                         vcard_free(*v);
 478                 }
 479                 *v = vcard_load(content);
 480         }
 481 }
 482
 483
 484 /*
 485  * This handler detects whether the user is attempting to save a new
 486  * vCard as part of his/her personal configuration, and handles the replace
 487  * function accordingly (delete the user's existing vCard in the config room
 488  * and in the global address book).
 489  */
 490 int vcard_upload_beforesave(struct CtdlMessage *msg) {
 491         char *ptr;
 492         char *s;
 493         char buf[SIZ];
 494         struct ctdluser usbuf;
 495         long what_user;
 496         struct vCard *v = NULL;
 497         char *ser = NULL;
 498         int i = 0;
 499         int yes_my_citadel_config = 0;
 500         int yes_any_vcard_room = 0;
 501
 502         if (!CC->logged_in) return(0);  /* Only do this if logged in. */
 503
 504         /* Is this some user's "My Citadel Config" room? */
 505         if ( (CC->room.QRflags && QR_MAILBOX)
 506            && (!strcasecmp(&CC->room.QRname[11], USERCONFIGROOM)) ) {
 507                 /* Yes, we want to do this */
 508                 yes_my_citadel_config = 1;
 509
 510 #ifdef VCARD_SAVES_BY_AIDES_ONLY
 511                 /* Prevent non-aides from performing registration changes */
 512                 if (CC->user.axlevel < 6) {
 513                         return(1);
 514                 }
 515 #endif
 516
 517         }
 518
 519         /* Is this a room with an address book in it? */
 520         if (CC->room.QRdefaultview == VIEW_ADDRESSBOOK) {
 521                 yes_any_vcard_room = 1;
 522         }
 523
 524         /* If neither condition exists, don't run this hook. */
 525         if ( (!yes_my_citadel_config) && (!yes_any_vcard_room) ) {
 526                 return(0);
 527         }
 528
 529         /* If this isn't a MIME message, don't bother. */
 530         if (msg->cm_format_type != 4) return(0);
 531
 532         /* Ok, if we got this far, look into the situation further... */
 533
 534         ptr = msg->cm_fields['M'];
 535         if (ptr == NULL) return(0);
 536
 537         mime_parser(msg->cm_fields['M'],
 538                 NULL,
 539                 *vcard_extract_vcard,
 540                 NULL, NULL,
 541                 &v,             /* user data ptr - put the vcard here */
 542                 0
 543         );
 544
 545         if (v == NULL) return(0);       /* no vCards were found in this message */
 546
 547         /* If users cannot create their own accounts, they cannot re-register either. */
 548         if ( (yes_my_citadel_config) && (config.c_disable_newu) && (CC->user.axlevel < 6) ) {
 549                 return(1);
 550         }
 551
 552         s = vcard_get_prop(v, "FN", 0, 0, 0);
 553         if (s) lprintf(CTDL_DEBUG, "vCard beforesave hook running for <%s>\n", s);
 554
 555         if (yes_my_citadel_config) {
 556                 /* Bingo!  The user is uploading a new vCard, so
 557                  * delete the old one.  First, figure out which user
 558                  * is being re-registered...
 559                  */
 560                 what_user = atol(CC->room.QRname);
 561
 562                 if (what_user == CC->user.usernum) {
 563                         /* It's the logged in user.  That was easy. */
 564                         memcpy(&usbuf, &CC->user, sizeof(struct ctdluser));
 565                 }
 566
 567                 else if (getuserbynumber(&usbuf, what_user) == 0) {
 568                         /* We fetched a valid user record */
 569                 }
 570
 571                 else {
 572                         /* somebody set up us the bomb! */
 573                         yes_my_citadel_config = 0;
 574                 }
 575         }
 576
 577         if (yes_my_citadel_config) {
 578                 /* Delete the user's old vCard.  This would probably
 579                  * get taken care of by the replication check, but we
 580                  * want to make sure there is absolutely only one
 581                  * vCard in the user's config room at all times.
 582                  *
 583                  */
 584                 CtdlDeleteMessages(CC->room.QRname, NULL, 0, "^[Tt][Ee][Xx][Tt]/.*[Vv][Cc][Aa][Rr][Dd]$");
 585
 586                 /* Make the author of the message the name of the user. */
 587                 if (msg->cm_fields['A'] != NULL) {
 588                         free(msg->cm_fields['A']);
 589                 }
 590                 msg->cm_fields['A'] = strdup(usbuf.fullname);
 591         }
 592
 593         /* Insert or replace RFC2739-compliant free/busy URL */
 594         if (yes_my_citadel_config) {
 595                 sprintf(buf, "http://%s/%s.vfb",
 596                         config.c_fqdn,
 597                         usbuf.fullname);
 598                 for (i=0; buf[i]; ++i) {
 599                         if (buf[i] == ' ') buf[i] = '_';
 600                 }
 601                 vcard_set_prop(v, "FBURL;PREF", buf, 0);
 602         }
 603
 604         /* If the vCard has no UID, then give it one. */
 605         s = vcard_get_prop(v, "UID", 0, 0, 0);
 606         if (s == NULL) {
 607                 generate_uuid(buf);
 608                 vcard_set_prop(v, "UID", buf, 0);
 609         }
 610
 611         /* Enforce local UID policy if applicable */
 612         if (yes_my_citadel_config) {
 613                 snprintf(buf, sizeof buf, VCARD_EXT_FORMAT, msg->cm_fields['A'], NODENAME);
 614                 vcard_set_prop(v, "UID", buf, 0);
 615         }
 616
 617         /*
 618          * Set the EUID of the message to the UID of the vCard.
 619          */
 620         if (msg->cm_fields['E'] != NULL) free(msg->cm_fields['E']);
 621         s = vcard_get_prop(v, "UID", 0, 0, 0);
 622         if (s != NULL) {
 623                 msg->cm_fields['E'] = strdup(s);
 624                 if (msg->cm_fields['U'] == NULL) {
 625                         msg->cm_fields['U'] = strdup(s);
 626                 }
 627         }
 628
 629         /*
 630          * Set the Subject to the name in the vCard.
 631          */
 632         s = vcard_get_prop(v, "FN", 0, 0, 0);
 633         if (s == NULL) {
 634                 s = vcard_get_prop(v, "N", 0, 0, 0);
 635         }
 636         if (s != NULL) {
 637                 if (msg->cm_fields['U'] != NULL) {
 638                         free(msg->cm_fields['U']);
 639                 }
 640                 msg->cm_fields['U'] = strdup(s);
 641         }
 642
 643         /* Re-serialize it back into the msg body */
 644         ser = vcard_serialize(v);
 645         if (ser != NULL) {
 646                 msg->cm_fields['M'] = realloc(msg->cm_fields['M'], strlen(ser) + 1024);
 647                 sprintf(msg->cm_fields['M'],
 648                         "Content-type: " VCARD_MIME_TYPE
 649                         "\r\n\r\n%s\r\n", ser);
 650                 free(ser);
 651         }
 652
 653         /* Now allow the save to complete. */
 654         vcard_free(v);
 655         return(0);
 656 }
 657
 658
 659
 660 /*
 661  * This handler detects whether the user is attempting to save a new
 662  * vCard as part of his/her personal configuration, and handles the replace
 663  * function accordingly (copy the vCard from the config room to the global
 664  * address book).
 665  */
 666 int vcard_upload_aftersave(struct CtdlMessage *msg) {
 667         char *ptr;
 668         int linelen;
 669         long I;
 670         struct vCard *v;
 671         int is_UserConf=0;
 672         int is_GAB=0;
 673
 674         if (!CC->logged_in) return(0);  /* Only do this if logged in. */
 675
 676         /* If this isn't the configuration room, or if this isn't a MIME
 677          * message, don't bother.
 678          */
 679         if (msg->cm_fields['O'] == NULL) return(0);
 680         if (!strcasecmp(msg->cm_fields['O'], USERCONFIGROOM)) is_UserConf = 1;
 681         if (!strcasecmp(msg->cm_fields['O'], ADDRESS_BOOK_ROOM)) is_GAB = 1;
 682         if (!is_UserConf && !is_GAB) return(0);
 683         if (msg->cm_format_type != 4) return(0);
 684
 685         ptr = msg->cm_fields['M'];
 686         if (ptr == NULL) return(0);
 687         while (ptr != NULL) {
 688
 689                 linelen = strcspn(ptr, "\n");
 690                 if (linelen == 0) return(0);    /* end of headers */
 691
 692                 if (  (!strncasecmp(ptr, "Content-type: text/x-vcard", 26))
 693                    || (!strncasecmp(ptr, "Content-type: text/vcard", 24)) ) {
 694                         /*
 695                          * Bingo!  The user is uploading a new vCard, so
 696                          * copy it to the Global Address Book room.
 697                          */
 698
 699                         I = atol(msg->cm_fields['I']);
 700                         if (I < 0L) return(0);
 701
 702                         /* Store our Internet return address in memory */
 703                         v = vcard_load(msg->cm_fields['M']);
 704                         extract_inet_email_addrs(CC->cs_inet_email, sizeof CC->cs_inet_email,
 705                                                 CC->cs_inet_other_emails, sizeof CC->cs_inet_other_emails,
 706                                                 v, 1);
 707                         extract_friendly_name(CC->cs_inet_fn, sizeof CC->cs_inet_fn, v);
 708                         vcard_free(v);
 709
 710                         if (!is_GAB)
 711                         {       // This is not the GAB
 712                                 /* Put it in the Global Address Book room... */
 713                                 CtdlSaveMsgPointerInRoom(ADDRESS_BOOK_ROOM, I, 1, msg);
 714                         }
 715
 716                         /* ...and also in the directory database. */
 717                         vcard_add_to_directory(I, NULL);
 718
 719                         /* Some sites want an Aide to be notified when a
 720                          * user registers or re-registers...
 721                          */
 722                         set_mm_valid();
 723
 724                         /* ...which also means we need to flag the user */
 725                         lgetuser(&CC->user, CC->curr_user);
 726                         CC->user.flags |= (US_REGIS|US_NEEDVALID);
 727                         lputuser(&CC->user);
 728
 729                         return(0);
 730                 }
 731
 732                 ptr = strchr((char *)ptr, '\n');
 733                 if (ptr != NULL) ++ptr;
 734         }
 735
 736         return(0);
 737 }
 738
 739
 740
 741 /*
 742  * back end function used for callbacks
 743  */
 744 void vcard_gu_backend(long supplied_msgnum, void *userdata) {
 745         long *msgnum;
 746
 747         msgnum = (long *) userdata;
 748         *msgnum = supplied_msgnum;
 749 }
 750
 751
 752 /*
 753  * If this user has a vcard on disk, read it into memory, otherwise allocate
 754  * and return an empty vCard.
 755  */
 756 struct vCard *vcard_get_user(struct ctdluser *u) {
 757         char hold_rm[ROOMNAMELEN];
 758         char config_rm[ROOMNAMELEN];
 759         struct CtdlMessage *msg = NULL;
 760         struct vCard *v;
 761         long VCmsgnum;
 762
 763         strcpy(hold_rm, CC->room.QRname);       /* save current room */
 764         MailboxName(config_rm, sizeof config_rm, u, USERCONFIGROOM);
 765
 766         if (getroom(&CC->room, config_rm) != 0) {
 767                 getroom(&CC->room, hold_rm);
 768                 return vcard_new();
 769         }
 770
 771         /* We want the last (and probably only) vcard in this room */
 772         VCmsgnum = (-1);
 773         CtdlForEachMessage(MSGS_LAST, 1, NULL, "^[Tt][Ee][Xx][Tt]/.*[Vv][Cc][Aa][Rr][Dd]$",
 774                 NULL, vcard_gu_backend, (void *)&VCmsgnum );
 775         getroom(&CC->room, hold_rm);    /* return to saved room */
 776
 777         if (VCmsgnum < 0L) return vcard_new();
 778
 779         msg = CtdlFetchMessage(VCmsgnum, 1);
 780         if (msg == NULL) return vcard_new();
 781
 782         v = vcard_load(msg->cm_fields['M']);
 783         CtdlFreeMessage(msg);
 784         return v;
 785 }
 786
 787
 788 /*
 789  * Store this user's vCard in the appropriate place
 790  */
 791 /*
 792  * Write our config to disk
 793  */
 794 void vcard_write_user(struct ctdluser *u, struct vCard *v) {
 795         char temp[PATH_MAX];
 796         FILE *fp;
 797         char *ser;
 798
 799         CtdlMakeTempFileName(temp, sizeof temp);
 800         ser = vcard_serialize(v);
 801
 802         fp = fopen(temp, "w");
 803         if (fp == NULL) return;
 804         if (ser == NULL) {
 805                 fprintf(fp, "begin:vcard\r\nend:vcard\r\n");
 806         } else {
 807                 fwrite(ser, strlen(ser), 1, fp);
 808                 free(ser);
 809         }
 810         fclose(fp);
 811
 812         /* This handy API function does all the work for us.
 813          * NOTE: normally we would want to set that last argument to 1, to
 814          * force the system to delete the user's old vCard.  But it doesn't
 815          * have to, because the vcard_upload_beforesave() hook above
 816          * is going to notice what we're trying to do, and delete the old vCard.
 817          */
 818         CtdlWriteObject(USERCONFIGROOM, /* which room */
 819                         VCARD_MIME_TYPE,/* MIME type */
 820                         temp,           /* temp file */
 821                         u,              /* which user */
 822                         0,              /* not binary */
 823                         0,              /* don't delete others of this type */
 824                         0);             /* no flags */
 825
 826         unlink(temp);
 827 }
 828
 829
 830
 831 /*
 832  * Old style "enter registration info" command.  This function simply honors
 833  * the REGI protocol command, translates the entered parameters into a vCard,
 834  * and enters the vCard into the user's configuration.
 835  */
 836 void cmd_regi(char *argbuf) {
 837         int a,b,c;
 838         char buf[SIZ];
 839         struct vCard *my_vcard;
 840
 841         char tmpaddr[SIZ];
 842         char tmpcity[SIZ];
 843         char tmpstate[SIZ];
 844         char tmpzip[SIZ];
 845         char tmpaddress[SIZ];
 846         char tmpcountry[SIZ];
 847
 848         unbuffer_output();
 849
 850         if (!(CC->logged_in)) {
 851                 cprintf("%d Not logged in.\n",ERROR + NOT_LOGGED_IN);
 852                 return;
 853         }
 854
 855         /* If users cannot create their own accounts, they cannot re-register either. */
 856         if ( (config.c_disable_newu) && (CC->user.axlevel < 6) ) {
 857                 cprintf("%d Self-service registration is not allowed here.\n",
 858                         ERROR + HIGHER_ACCESS_REQUIRED);
 859         }
 860
 861         my_vcard = vcard_get_user(&CC->user);
 862         strcpy(tmpaddr, "");
 863         strcpy(tmpcity, "");
 864         strcpy(tmpstate, "");
 865         strcpy(tmpzip, "");
 866         strcpy(tmpcountry, "USA");
 867
 868         cprintf("%d Send registration...\n", SEND_LISTING);
 869         a=0;
 870         while (client_getln(buf, sizeof buf), strcmp(buf,"000")) {
 871                 if (a==0) vcard_set_prop(my_vcard, "n", buf, 0);
 872                 if (a==1) strcpy(tmpaddr, buf);
 873                 if (a==2) strcpy(tmpcity, buf);
 874                 if (a==3) strcpy(tmpstate, buf);
 875                 if (a==4) {
 876                         for (c=0; buf[c]; ++c) {
 877                                 if ((buf[c]>='0') && (buf[c]<='9')) {
 878                                         b = strlen(tmpzip);
 879                                         tmpzip[b] = buf[c];
 880                                         tmpzip[b+1] = 0;
 881                                 }
 882                         }
 883                 }
 884                 if (a==5) vcard_set_prop(my_vcard, "tel;home", buf, 0);
 885                 if (a==6) vcard_set_prop(my_vcard, "email;internet", buf, 0);
 886                 if (a==7) strcpy(tmpcountry, buf);
 887                 ++a;
 888         }
 889
 890         snprintf(tmpaddress, sizeof tmpaddress, ";;%s;%s;%s;%s;%s",
 891                 tmpaddr, tmpcity, tmpstate, tmpzip, tmpcountry);
 892         vcard_set_prop(my_vcard, "adr", tmpaddress, 0);
 893         vcard_write_user(&CC->user, my_vcard);
 894         vcard_free(my_vcard);
 895 }
 896
 897
 898 /*
 899  * Protocol command to fetch registration info for a user
 900  */
 901 void cmd_greg(char *argbuf)
 902 {
 903         struct ctdluser usbuf;
 904         struct vCard *v;
 905         char *s;
 906         char who[USERNAME_SIZE];
 907         char adr[256];
 908         char buf[256];
 909
 910         extract_token(who, argbuf, 0, '|', sizeof who);
 911
 912         if (!(CC->logged_in)) {
 913                 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
 914                 return;
 915         }
 916
 917         if (!strcasecmp(who,"_SELF_")) strcpy(who,CC->curr_user);
 918
 919         if ((CC->user.axlevel < 6) && (strcasecmp(who,CC->curr_user))) {
 920                 cprintf("%d Higher access required.\n",
 921                         ERROR + HIGHER_ACCESS_REQUIRED);
 922                 return;
 923         }
 924
 925         if (getuser(&usbuf, who) != 0) {
 926                 cprintf("%d '%s' not found.\n", ERROR + NO_SUCH_USER, who);
 927                 return;
 928         }
 929
 930         v = vcard_get_user(&usbuf);
 931
 932         cprintf("%d %s\n", LISTING_FOLLOWS, usbuf.fullname);
 933         cprintf("%ld\n", usbuf.usernum);
 934         cprintf("%s\n", usbuf.password);
 935         s = vcard_get_prop(v, "n", 0, 0, 0);
 936         cprintf("%s\n", s ? s : " ");   /* name */
 937
 938         s = vcard_get_prop(v, "adr", 0, 0, 0);
 939         snprintf(adr, sizeof adr, "%s", s ? s : " ");/* address... */
 940
 941         extract_token(buf, adr, 2, ';', sizeof buf);
 942         cprintf("%s\n", buf);                           /* street */
 943         extract_token(buf, adr, 3, ';', sizeof buf);
 944         cprintf("%s\n", buf);                           /* city */
 945         extract_token(buf, adr, 4, ';', sizeof buf);
 946         cprintf("%s\n", buf);                           /* state */
 947         extract_token(buf, adr, 5, ';', sizeof buf);
 948         cprintf("%s\n", buf);                           /* zip */
 949
 950         s = vcard_get_prop(v, "tel;home", 0, 0, 0);
 951         if (s == NULL) s = vcard_get_prop(v, "tel", 1, 0, 0);
 952         if (s != NULL) {
 953                 cprintf("%s\n", s);
 954         }
 955         else {
 956                 cprintf(" \n");
 957         }
 958
 959         cprintf("%d\n", usbuf.axlevel);
 960
 961         s = vcard_get_prop(v, "email;internet", 0, 0, 0);
 962         cprintf("%s\n", s ? s : " ");
 963         s = vcard_get_prop(v, "adr", 0, 0, 0);
 964         snprintf(adr, sizeof adr, "%s", s ? s : " ");/* address... */
 965
 966         extract_token(buf, adr, 6, ';', sizeof buf);
 967         cprintf("%s\n", buf);                           /* country */
 968         cprintf("000\n");
 969         vcard_free(v);
 970 }
 971
 972
 973
 974 /*
 975  * When a user is being created, create his/her vCard.
 976  */
 977 void vcard_newuser(struct ctdluser *usbuf) {
 978         char vname[256];
 979         char buf[256];
 980         int i;
 981         struct vCard *v;
 982
 983         vcard_fn_to_n(vname, usbuf->fullname, sizeof vname);
 984         lprintf(CTDL_DEBUG, "Converted <%s> to <%s>\n", usbuf->fullname, vname);
 985
 986         /* Create and save the vCard */
 987         v = vcard_new();
 988         if (v == NULL) return;
 989         sprintf(buf, "%s@%s", usbuf->fullname, config.c_fqdn);
 990         for (i=0; buf[i]; ++i) {
 991                 if (buf[i] == ' ') buf[i] = '_';
 992         }
 993         vcard_add_prop(v, "fn", usbuf->fullname);
 994         vcard_add_prop(v, "n", vname);
 995         vcard_add_prop(v, "adr", "adr:;;_;_;_;00000;__");
 996         vcard_add_prop(v, "email;internet", buf);
 997         vcard_write_user(usbuf, v);
 998         vcard_free(v);
 999 }
1000
1001
1002 /*
1003  * When a user is being deleted, we have to remove his/her vCard.
1004  * This is accomplished by issuing a message with 'CANCEL' in the S (special)
1005  * field, and the same Exclusive ID as the existing card.
1006  */
1007 void vcard_purge(struct ctdluser *usbuf) {
1008         struct CtdlMessage *msg;
1009         char buf[SIZ];
1010
1011         msg = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1012         if (msg == NULL) return;
1013         memset(msg, 0, sizeof(struct CtdlMessage));
1014
1015         msg->cm_magic = CTDLMESSAGE_MAGIC;
1016         msg->cm_anon_type = MES_NORMAL;
1017         msg->cm_format_type = 0;
1018         msg->cm_fields['A'] = strdup(usbuf->fullname);
1019         msg->cm_fields['O'] = strdup(ADDRESS_BOOK_ROOM);
1020         msg->cm_fields['N'] = strdup(NODENAME);
1021         msg->cm_fields['M'] = strdup("Purge this vCard\n");
1022
1023         snprintf(buf, sizeof buf, VCARD_EXT_FORMAT,
1024                         msg->cm_fields['A'], NODENAME);
1025         msg->cm_fields['E'] = strdup(buf);
1026
1027         msg->cm_fields['S'] = strdup("CANCEL");
1028
1029         CtdlSubmitMsg(msg, NULL, ADDRESS_BOOK_ROOM);
1030         CtdlFreeMessage(msg);
1031 }
1032
1033
1034 /*
1035  * Grab vCard directory stuff out of incoming network messages
1036  */
1037 int vcard_extract_from_network(struct CtdlMessage *msg, char *target_room) {
1038         char *ptr;
1039         int linelen;
1040
1041         if (msg == NULL) return(0);
1042
1043         if (strcasecmp(target_room, ADDRESS_BOOK_ROOM)) {
1044                 return(0);
1045         }
1046
1047         if (msg->cm_format_type != 4) return(0);
1048
1049         ptr = msg->cm_fields['M'];
1050         if (ptr == NULL) return(0);
1051         while (ptr != NULL) {
1052
1053                 linelen = strcspn(ptr, "\n");
1054                 if (linelen == 0) return(0);    /* end of headers */
1055
1056                 if (  (!strncasecmp(ptr, "Content-type: text/x-vcard", 26))
1057                    || (!strncasecmp(ptr, "Content-type: text/vcard", 24)) ) {
1058                         /* It's a vCard.  Add it to the directory. */
1059                         vcard_extract_internet_addresses(msg, CtdlDirectoryAddUser);
1060                         return(0);
1061                 }
1062
1063                 ptr = strchr((char *)ptr, '\n');
1064                 if (ptr != NULL) ++ptr;
1065         }
1066
1067         return(0);
1068 }
1069
1070
1071
1072 /*
1073  * When a vCard is being removed from the Global Address Book room, remove it
1074  * from the directory as well.
1075  */
1076 void vcard_delete_remove(char *room, long msgnum) {
1077         struct CtdlMessage *msg;
1078         char *ptr;
1079         int linelen;
1080
1081         if (msgnum <= 0L) return;
1082
1083         if (room == NULL) return;
1084
1085         if (strcasecmp(room, ADDRESS_BOOK_ROOM)) {
1086                 return;
1087         }
1088
1089         msg = CtdlFetchMessage(msgnum, 1);
1090         if (msg == NULL) return;
1091
1092         ptr = msg->cm_fields['M'];
1093         if (ptr == NULL) goto EOH;
1094         while (ptr != NULL) {
1095                 linelen = strcspn(ptr, "\n");
1096                 if (linelen == 0) goto EOH;
1097
1098                 if (  (!strncasecmp(ptr, "Content-type: text/x-vcard", 26))
1099                    || (!strncasecmp(ptr, "Content-type: text/vcard", 24)) ) {
1100                         /* Bingo!  A vCard is being deleted. */
1101                         vcard_extract_internet_addresses(msg, CtdlDirectoryDelUser);
1102                         ctdl_vcard_to_directory(msg, V2L_DELETE);
1103                 }
1104                 ptr = strchr((char *)ptr, '\n');
1105                 if (ptr != NULL) ++ptr;
1106         }
1107
1108 EOH:    CtdlFreeMessage(msg);
1109 }
1110
1111
1112
1113 /*
1114  * Get Valid Screen Names
1115  */
1116 void cmd_gvsn(char *argbuf)
1117 {
1118         if (CtdlAccessCheck(ac_logged_in)) return;
1119
1120         cprintf("%d valid screen names:\n", LISTING_FOLLOWS);
1121         cprintf("%s\n", CC->user.fullname);
1122         if ( (!IsEmptyStr(CC->cs_inet_fn)) && (strcasecmp(CC->user.fullname, CC->cs_inet_fn)) ) {
1123                 cprintf("%s\n", CC->cs_inet_fn);
1124         }
1125         cprintf("000\n");
1126 }
1127
1128
1129 /*
1130  * Get Valid Email Addresses
1131  */
1132 void cmd_gvea(char *argbuf)
1133 {
1134         int num_secondary_emails = 0;
1135         int i;
1136         char buf[256];
1137
1138         if (CtdlAccessCheck(ac_logged_in)) return;
1139
1140         cprintf("%d valid email addresses:\n", LISTING_FOLLOWS);
1141         if (!IsEmptyStr(CC->cs_inet_email)) {
1142                 cprintf("%s\n", CC->cs_inet_email);
1143         }
1144         if (!IsEmptyStr(CC->cs_inet_other_emails)) {
1145                 num_secondary_emails = num_tokens(CC->cs_inet_other_emails, '|');
1146                 for (i=0; i<num_secondary_emails; ++i) {
1147                         extract_token(buf, CC->cs_inet_other_emails,i,'|',sizeof CC->cs_inet_other_emails);
1148                         cprintf("%s\n", buf);
1149                 }
1150         }
1151         cprintf("000\n");
1152 }
1153
1154
1155
1156
1157 /*
1158  * Callback function for cmd_dvca() that hunts for vCard content types
1159  * and outputs any email addresses found within.
1160  */
1161 void dvca_mime_callback(char *name, char *filename, char *partnum, char *disp,
1162                 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1163                 void *cbuserdata) {
1164
1165         struct vCard *v;
1166         char displayname[256];
1167         int displayname_len;
1168         char emailaddr[256];
1169         int i;
1170         int has_commas = 0;
1171
1172         if ( (strcasecmp(cbtype, "text/vcard")) && (strcasecmp(cbtype, "text/x-vcard")) ) {
1173                 return;
1174         }
1175
1176         v = vcard_load(content);
1177         if (v == NULL) return;
1178
1179         extract_friendly_name(displayname, sizeof displayname, v);
1180         extract_inet_email_addrs(emailaddr, sizeof emailaddr, NULL, 0, v, 0);
1181
1182         displayname_len = strlen(displayname);
1183         for (i=0; i<displayname_len; ++i) {
1184                 if (displayname[i] == '\"') displayname[i] = ' ';
1185                 if (displayname[i] == ';') displayname[i] = ',';
1186                 if (displayname[i] == ',') has_commas = 1;
1187         }
1188         striplt(displayname);
1189
1190         cprintf("%s%s%s <%s>\n",
1191                 (has_commas ? "\"" : ""),
1192                 displayname,
1193                 (has_commas ? "\"" : ""),
1194                 emailaddr
1195         );
1196
1197         vcard_free(v);
1198 }
1199
1200
1201 /*
1202  * Back end callback function for cmd_dvca()
1203  *
1204  * It's basically just passed a list of message numbers, which we're going
1205  * to fetch off the disk and then pass along to the MIME parser via another
1206  * layer of callback...
1207  */
1208 void dvca_callback(long msgnum, void *userdata) {
1209         struct CtdlMessage *msg = NULL;
1210
1211         msg = CtdlFetchMessage(msgnum, 1);
1212         if (msg == NULL) return;
1213         mime_parser(msg->cm_fields['M'],
1214                 NULL,
1215                 *dvca_mime_callback,    /* callback function */
1216                 NULL, NULL,
1217                 NULL,                   /* user data */
1218                 0
1219         );
1220         CtdlFreeMessage(msg);
1221 }
1222
1223
1224 /*
1225  * Dump VCard Addresses
1226  */
1227 void cmd_dvca(char *argbuf)
1228 {
1229         if (CtdlAccessCheck(ac_logged_in)) return;
1230
1231         cprintf("%d addresses:\n", LISTING_FOLLOWS);
1232         CtdlForEachMessage(MSGS_ALL, 0, NULL, NULL, NULL, dvca_callback, NULL);
1233         cprintf("000\n");
1234 }
1235
1236
1237 /*
1238  * Query Directory
1239  */
1240 void cmd_qdir(char *argbuf) {
1241         char citadel_addr[256];
1242         char internet_addr[256];
1243
1244         if (CtdlAccessCheck(ac_logged_in)) return;
1245
1246         extract_token(internet_addr, argbuf, 0, '|', sizeof internet_addr);
1247
1248         if (CtdlDirectoryLookup(citadel_addr, internet_addr, sizeof citadel_addr) != 0) {
1249                 cprintf("%d %s was not found.\n",
1250                         ERROR + NO_SUCH_USER, internet_addr);
1251                 return;
1252         }
1253
1254         cprintf("%d %s\n", CIT_OK, citadel_addr);
1255 }
1256
1257 /*
1258  * Query Directory, in fact an alias to match postfix tcp auth.
1259  */
1260 void check_get(void) {
1261         char internet_addr[256];
1262
1263         char cmdbuf[SIZ];
1264
1265         time(&CC->lastcmd);
1266         memset(cmdbuf, 0, sizeof cmdbuf); /* Clear it, just in case */
1267         if (client_getln(cmdbuf, sizeof cmdbuf) < 1) {
1268                 lprintf(CTDL_CRIT, "Client disconnected: ending session.\n");
1269                 CC->kill_me = 1;
1270                 return;
1271         }
1272         lprintf(CTDL_INFO, ": %s\n", cmdbuf);
1273         while (strlen(cmdbuf) < 3) strcat(cmdbuf, " ");
1274
1275         if (strcasecmp(cmdbuf, "GET "));
1276         {
1277                 struct recptypes *rcpt;
1278                 char *argbuf = &cmdbuf[4];
1279
1280                 extract_token(internet_addr, argbuf, 0, '|', sizeof internet_addr);
1281                 rcpt = validate_recipients(internet_addr);
1282                 if ((rcpt != NULL)&&
1283                         (
1284                          (*rcpt->recp_local != '\0')||
1285                          (*rcpt->recp_room != '\0')||
1286                          (*rcpt->recp_ignet != '\0')))
1287                 {
1288
1289                         cprintf("200 OK %s\n", internet_addr);
1290                         lprintf(CTDL_INFO, "sending 200 OK for the room %s\n", rcpt->display_recp);
1291                 }
1292                 else
1293                 {
1294                         cprintf("500 REJECT noone here by that name.\n");
1295
1296                         lprintf(CTDL_INFO, "sending 500 REJECT noone here by that name: %s\n", internet_addr);
1297                 }
1298                 if (rcpt != NULL) free_recipients(rcpt);
1299         }
1300 }
1301
1302 void check_get_greeting(void) {
1303 /* dummy function, we have no greeting in this verry simple protocol. */
1304 }
1305
1306
1307 /*
1308  * We don't know if the Contacts room exists so we just create it at login
1309  */
1310 void vcard_create_room(void)
1311 {
1312         struct ctdlroom qr;
1313         struct visit vbuf;
1314
1315         /* Create the calendar room if it doesn't already exist */
1316         create_room(USERCONTACTSROOM, 4, "", 0, 1, 0, VIEW_ADDRESSBOOK);
1317
1318         /* Set expiration policy to manual; otherwise objects will be lost! */
1319         if (lgetroom(&qr, USERCONTACTSROOM)) {
1320                 lprintf(CTDL_ERR, "Couldn't get the user CONTACTS room!\n");
1321                 return;
1322         }
1323         qr.QRep.expire_mode = EXPIRE_MANUAL;
1324         qr.QRdefaultview = VIEW_ADDRESSBOOK;    /* 2 = address book view */
1325         lputroom(&qr);
1326
1327         /* Set the view to a calendar view */
1328         CtdlGetRelationship(&vbuf, &CC->user, &qr);
1329         vbuf.v_view = 2;        /* 2 = address book view */
1330         CtdlSetRelationship(&vbuf, &CC->user, &qr);
1331
1332         return;
1333 }
1334
1335
1336
1337
1338 /*
1339  * When a user logs in...
1340  */
1341 void vcard_session_login_hook(void) {
1342         struct vCard *v = NULL;
1343
1344         v = vcard_get_user(&CC->user);
1345         extract_inet_email_addrs(CC->cs_inet_email, sizeof CC->cs_inet_email,
1346                                 CC->cs_inet_other_emails, sizeof CC->cs_inet_other_emails,
1347                                 v, 1);
1348         extract_friendly_name(CC->cs_inet_fn, sizeof CC->cs_inet_fn, v);
1349         vcard_free(v);
1350
1351         vcard_create_room();
1352 }
1353
1354
1355 /*
1356  * Turn an arbitrary RFC822 address into a struct vCard for possible
1357  * inclusion into an address book.
1358  */
1359 struct vCard *vcard_new_from_rfc822_addr(char *addr) {
1360         struct vCard *v;
1361         char user[256], node[256], name[256], email[256], n[256], uid[256];
1362         int i;
1363
1364         v = vcard_new();
1365         if (v == NULL) return(NULL);
1366
1367         process_rfc822_addr(addr, user, node, name);
1368         vcard_set_prop(v, "fn", name, 0);
1369
1370         vcard_fn_to_n(n, name, sizeof n);
1371         vcard_set_prop(v, "n", n, 0);
1372
1373         snprintf(email, sizeof email, "%s@%s", user, node);
1374         vcard_set_prop(v, "email;internet", email, 0);
1375
1376         snprintf(uid, sizeof uid, "collected: %s %s@%s", name, user, node);
1377         for (i=0; uid[i]; ++i) {
1378                 if (isspace(uid[i])) uid[i] = '_';
1379                 uid[i] = tolower(uid[i]);
1380         }
1381         vcard_set_prop(v, "UID", uid, 0);
1382
1383         return(v);
1384 }
1385
1386
1387
1388 /*
1389  * This is called by store_harvested_addresses() to remove from the
1390  * list any addresses we already have in our address book.
1391  */
1392 void strip_addresses_already_have(long msgnum, void *userdata) {
1393         char *collected_addresses;
1394         struct CtdlMessage *msg = NULL;
1395         struct vCard *v;
1396         char *value = NULL;
1397         int i, j;
1398         char addr[256], user[256], node[256], name[256];
1399
1400         collected_addresses = (char *)userdata;
1401
1402         msg = CtdlFetchMessage(msgnum, 1);
1403         if (msg == NULL) return;
1404         v = vcard_load(msg->cm_fields['M']);
1405         CtdlFreeMessage(msg);
1406
1407         i = 0;
1408         while (value = vcard_get_prop(v, "email", 1, i++, 0), value != NULL) {
1409
1410                 for (j=0; j<num_tokens(collected_addresses, ','); ++j) {
1411                         extract_token(addr, collected_addresses, j, ',', sizeof addr);
1412
1413                         /* Remove the address if we already have it! */
1414                         process_rfc822_addr(addr, user, node, name);
1415                         snprintf(addr, sizeof addr, "%s@%s", user, node);
1416                         if (!strcasecmp(value, addr)) {
1417                                 remove_token(collected_addresses, j, ',');
1418                         }
1419                 }
1420
1421         }
1422
1423         vcard_free(v);
1424 }
1425
1426
1427
1428 /*
1429  * Back end function for store_harvested_addresses()
1430  */
1431 void store_this_ha(struct addresses_to_be_filed *aptr) {
1432         struct CtdlMessage *vmsg = NULL;
1433         long vmsgnum = (-1L);
1434         char *ser = NULL;
1435         struct vCard *v = NULL;
1436         char recipient[256];
1437         int i;
1438
1439         /* First remove any addresses we already have in the address book */
1440         usergoto(aptr->roomname, 0, 0, NULL, NULL);
1441         CtdlForEachMessage(MSGS_ALL, 0, NULL, "^[Tt][Ee][Xx][Tt]/.*[Vv][Cc][Aa][Rr][Dd]$", NULL,
1442                 strip_addresses_already_have, aptr->collected_addresses);
1443
1444         if (!IsEmptyStr(aptr->collected_addresses))
1445            for (i=0; i<num_tokens(aptr->collected_addresses, ','); ++i) {
1446
1447                 /* Make a vCard out of each address */
1448                 extract_token(recipient, aptr->collected_addresses, i, ',', sizeof recipient);
1449                 striplt(recipient);
1450                 v = vcard_new_from_rfc822_addr(recipient);
1451                 if (v != NULL) {
1452                         vmsg = malloc(sizeof(struct CtdlMessage));
1453                         memset(vmsg, 0, sizeof(struct CtdlMessage));
1454                         vmsg->cm_magic = CTDLMESSAGE_MAGIC;
1455                         vmsg->cm_anon_type = MES_NORMAL;
1456                         vmsg->cm_format_type = FMT_RFC822;
1457                         vmsg->cm_fields['A'] = strdup("Citadel");
1458                         vmsg->cm_fields['E'] =  strdup(vcard_get_prop(v, "UID", 0, 0, 0));
1459                         ser = vcard_serialize(v);
1460                         if (ser != NULL) {
1461                                 vmsg->cm_fields['M'] = malloc(strlen(ser) + 1024);
1462                                 sprintf(vmsg->cm_fields['M'],
1463                                         "Content-type: " VCARD_MIME_TYPE
1464                                         "\r\n\r\n%s\r\n", ser);
1465                                 free(ser);
1466                         }
1467                         vcard_free(v);
1468
1469                         lprintf(CTDL_DEBUG, "Adding contact: %s\n", recipient);
1470                         vmsgnum = CtdlSubmitMsg(vmsg, NULL, aptr->roomname);
1471                         CtdlFreeMessage(vmsg);
1472                 }
1473         }
1474
1475         free(aptr->roomname);
1476         free(aptr->collected_addresses);
1477         free(aptr);
1478 }
1479
1480
1481 /*
1482  * When a user sends a message, we may harvest one or more email addresses
1483  * from the recipient list to be added to the user's address book.  But we
1484  * want to do this asynchronously so it doesn't keep the user waiting.
1485  */
1486 void store_harvested_addresses(void) {
1487
1488         struct addresses_to_be_filed *aptr = NULL;
1489
1490         if (atbf == NULL) return;
1491
1492         begin_critical_section(S_ATBF);
1493         while (atbf != NULL) {
1494                 aptr = atbf;
1495                 atbf = atbf->next;
1496                 end_critical_section(S_ATBF);
1497                 store_this_ha(aptr);
1498                 begin_critical_section(S_ATBF);
1499         }
1500         end_critical_section(S_ATBF);
1501 }
1502
1503
1504 /*
1505  * Function to output vCard data as plain text.  Nobody uses MSG0 anymore, so
1506  * really this is just so we expose the vCard data to the full text indexer.
1507  */
1508 void vcard_fixed_output(char *ptr, int len) {
1509         char *serialized_vcard;
1510         struct vCard *v;
1511         char *key, *value;
1512         int i = 0;
1513
1514         serialized_vcard = malloc(len + 1);
1515         safestrncpy(serialized_vcard, ptr, len+1);
1516         v = vcard_load(serialized_vcard);
1517         free(serialized_vcard);
1518
1519         i = 0;
1520         while (key = vcard_get_prop(v, "", 0, i, 1), key != NULL) {
1521                 value = vcard_get_prop(v, "", 0, i++, 0);
1522                 cprintf("%s\n", value);
1523         }
1524
1525         vcard_free(v);
1526 }
1527
1528
1529 const char *CitadelServiceDICT_TCP="DICT_TCP";
1530
1531 CTDL_MODULE_INIT(vcard)
1532 {
1533         struct ctdlroom qr;
1534         char filename[256];
1535         FILE *fp;
1536
1537         CtdlRegisterSessionHook(vcard_session_login_hook, EVT_LOGIN);
1538         CtdlRegisterMessageHook(vcard_upload_beforesave, EVT_BEFORESAVE);
1539         CtdlRegisterMessageHook(vcard_upload_aftersave, EVT_AFTERSAVE);
1540         CtdlRegisterDeleteHook(vcard_delete_remove);
1541         CtdlRegisterProtoHook(cmd_regi, "REGI", "Enter registration info");
1542         CtdlRegisterProtoHook(cmd_greg, "GREG", "Get registration info");
1543         CtdlRegisterProtoHook(cmd_igab, "IGAB",
1544                                         "Initialize Global Address Book");
1545         CtdlRegisterProtoHook(cmd_qdir, "QDIR", "Query Directory");
1546         CtdlRegisterProtoHook(cmd_gvsn, "GVSN", "Get Valid Screen Names");
1547         CtdlRegisterProtoHook(cmd_gvea, "GVEA", "Get Valid Email Addresses");
1548         CtdlRegisterProtoHook(cmd_dvca, "DVCA", "Dump VCard Addresses");
1549         CtdlRegisterUserHook(vcard_newuser, EVT_NEWUSER);
1550         CtdlRegisterUserHook(vcard_purge, EVT_PURGEUSER);
1551         CtdlRegisterNetprocHook(vcard_extract_from_network);
1552         CtdlRegisterSessionHook(store_harvested_addresses, EVT_TIMER);
1553         CtdlRegisterFixedOutputHook("text/x-vcard", vcard_fixed_output);
1554         CtdlRegisterFixedOutputHook("text/vcard", vcard_fixed_output);
1555
1556         /* Create the Global ADdress Book room if necessary */
1557         create_room(ADDRESS_BOOK_ROOM, 3, "", 0, 1, 0, VIEW_ADDRESSBOOK);
1558
1559         /* Set expiration policy to manual; otherwise objects will be lost! */
1560         if (!lgetroom(&qr, ADDRESS_BOOK_ROOM)) {
1561                 qr.QRep.expire_mode = EXPIRE_MANUAL;
1562                 qr.QRdefaultview = VIEW_ADDRESSBOOK;    /* 2 = address book view */
1563                 lputroom(&qr);
1564
1565                 /*
1566                  * Also make sure it has a netconfig file, so the networker runs
1567                  * on this room even if we don't share it with any other nodes.
1568                  * This allows the CANCEL messages (i.e. "Purge this vCard") to be
1569                  * purged.
1570                  */
1571                 assoc_file_name(filename, sizeof filename, &qr, ctdl_netcfg_dir);
1572                 fp = fopen(filename, "a");
1573                 if (fp != NULL) fclose(fp);
1574                 chown(filename, CTDLUID, (-1));
1575         }
1576
1577         /* for postfix tcpdict */
1578         CtdlRegisterServiceHook(config.c_pftcpdict_port,        /* Postfix */
1579                                 NULL,
1580                                 check_get_greeting,
1581                                 check_get,
1582                                 NULL,
1583                                 CitadelServiceDICT_TCP);
1584
1585         /* return our Subversion id for the Log */
1586         return "$Id$";
1587 }