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