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 <libcitadel.h>
  51 #include "citadel.h"
  52 #include "server.h"
  53 #include "citserver.h"
  54 #include "support.h"
  55 #include "config.h"
  56 #include "control.h"
  57 #include "room_ops.h"
  58 #include "user_ops.h"
  59 #include "policy.h"
  60 #include "database.h"
  61 #include "msgbase.h"
  62 #include "internet_addressing.h"
  63 #include "serv_vcard.h"
  64
  65 #include "ctdl_module.h"
  66
  67
  68
  69 /*
  70  * set global flag calling for an aide to validate new users
  71  */
  72 void set_mm_valid(void) {
  73         begin_critical_section(S_CONTROL);
  74         get_control();
  75         CitControl.MMflags = CitControl.MMflags | MM_VALID ;
  76         put_control();
  77         end_critical_section(S_CONTROL);
  78 }
  79
  80
  81
  82 /*
  83  * Extract Internet e-mail addresses from a message containing a vCard, and
  84  * perform a callback for any found.
  85  */
  86 void vcard_extract_internet_addresses(struct CtdlMessage *msg,
  87                                 void (*callback)(char *, char *) ) {
  88         struct vCard *v;
  89         char *s;
  90         char *addr;
  91         char citadel_address[SIZ];
  92         int instance = 0;
  93         int found_something = 0;
  94
  95         if (msg->cm_fields['A'] == NULL) return;
  96         if (msg->cm_fields['N'] == NULL) return;
  97         snprintf(citadel_address, sizeof citadel_address, "%s @ %s",
  98                 msg->cm_fields['A'], msg->cm_fields['N']);
  99
 100         v = vcard_load(msg->cm_fields['M']);
 101         if (v == NULL) return;
 102
 103         /* Go through the vCard searching for *all* instances of
 104          * the "email;internet" key
 105          */
 106         do {
 107                 s = vcard_get_prop(v, "email;internet", 0, instance++, 0);
 108                 if (s != NULL) {
 109                         addr = strdup(s);
 110                         striplt(addr);
 111                         if (!IsEmptyStr(addr)) {
 112                                 if (callback != NULL) {
 113                                         callback(addr, citadel_address);
 114                                 }
 115                         }
 116                         free(addr);
 117                         found_something = 1;
 118                 }
 119                 else {
 120                         found_something = 0;
 121                 }
 122         } while(found_something);
 123
 124         vcard_free(v);
 125 }
 126
 127
 128 /*
 129  * vCard-to-LDAP conversions.
 130  *
 131  * If 'op' is set to V2L_WRITE, then write
 132  * (add, or change if already exists) a directory entry to the
 133  * LDAP server, based on the information supplied in a vCard.
 134  *
 135  * If 'op' is set to V2L_DELETE, then delete the entry from LDAP.
 136  */
 137
 138
 139 void ctdl_vcard_to_directory(struct CtdlMessage *msg, int op) {
 140         struct vCard *v = NULL;
 141         int i;
 142         int have_addr = 0;
 143         int have_cn = 0;
 144
 145         void *objectlist = NULL;
 146
 147         char givenname[128];
 148         char sn[128];
 149         char uid[256];
 150         char street[256];
 151         char city[128];
 152         char state[3];
 153         char zipcode[10];
 154         char calFBURL[256];
 155         char ldap_dn[SIZ];
 156
 157         if (msg == NULL) return;
 158         if (msg->cm_fields['M'] == NULL) return;
 159         if (msg->cm_fields['A'] == NULL) return;
 160         if (msg->cm_fields['N'] == NULL) return;
 161
 162         /* Initialize variables */
 163         strcpy(givenname, "");
 164         strcpy(sn, "");
 165         strcpy(calFBURL, "");
 166
 167         sprintf(uid, "%s@%s",
 168                 msg->cm_fields['A'],
 169                 msg->cm_fields['N']
 170         );
 171
 172         sprintf(ldap_dn, "euid=%s,ou=%s", msg->cm_fields['E'], msg->cm_fields['N']);
 173
 174         /* Are we just deleting?  If so, it's simple... */
 175         if (op == V2L_DELETE) {
 176                 (void) CtdlDoDirectoryServiceFunc (ldap_dn, NULL, NULL, "ldap", DIRECTORY_USER_DEL);
 177                 return;
 178         }
 179
 180         /*
 181          * If we get to this point then it must be a V2L_WRITE operation.
 182          */
 183
 184         /* First make sure the OU for the user's home Citadel host is created */
 185         (void) CtdlDoDirectoryServiceFunc (NULL, msg->cm_fields['N'], NULL, "ldap", DIRECTORY_CREATE_HOST);
 186
 187         /* Next create the directory service object */
 188         (void) CtdlDoDirectoryServiceFunc(NULL, NULL, &objectlist, "ldap", DIRECTORY_CREATE_OBJECT);
 189
 190         /* The first LDAP attribute will be an 'objectclass' list.  Citadel
 191          * doesn't do anything with this.  It's just there for compatibility
 192          * with Kolab.
 193          */
 194         (void) CtdlDoDirectoryServiceFunc("objectclass", "citadelInetOrgPerson", &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 195
 196         /* Convert the vCard fields to LDAP properties */
 197         v = vcard_load(msg->cm_fields['M']);
 198         if (v->numprops) for (i=0; i<(v->numprops); ++i) if (striplt(v->prop[i].value), strlen(v->prop[i].value) > 0) {
 199
 200                 if (!strcasecmp(v->prop[i].name, "n")) {
 201                         extract_token(sn,               v->prop[i].value, 0, ';', sizeof sn);
 202                         extract_token(givenname,        v->prop[i].value, 1, ';', sizeof givenname);
 203                 }
 204
 205                 if (!strcasecmp(v->prop[i].name, "fn")) {
 206                         (void) CtdlDoDirectoryServiceFunc("cn", v->prop[i].value, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 207                         have_cn = 1;
 208                 }
 209
 210                 if (!strcasecmp(v->prop[i].name, "title")) {
 211                         (void) CtdlDoDirectoryServiceFunc("title", v->prop[i].value, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 212                 }
 213
 214                 if (!strcasecmp(v->prop[i].name, "org")) {
 215                         (void) CtdlDoDirectoryServiceFunc("o", v->prop[i].value, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 216                 }
 217
 218                 if ( (!strcasecmp(v->prop[i].name, "adr"))
 219                    ||(!strncasecmp(v->prop[i].name, "adr;", 4)) ) {
 220                         /* Unfortunately, we can only do a single address */
 221                         if (!have_addr) {
 222                                 have_addr = 1;
 223                                 strcpy(street, "");
 224                                 extract_token(&street[strlen(street)],
 225                                         v->prop[i].value, 0, ';', (sizeof street - strlen(street))); /* po box */
 226                                 strcat(street, " ");
 227                                 extract_token(&street[strlen(street)],
 228                                         v->prop[i].value, 1, ';', (sizeof street - strlen(street))); /* extend addr */
 229                                 strcat(street, " ");
 230                                 extract_token(&street[strlen(street)],
 231                                         v->prop[i].value, 2, ';', (sizeof street - strlen(street))); /* street */
 232                                 striplt(street);
 233                                 extract_token(city, v->prop[i].value, 3, ';', sizeof city);
 234                                 extract_token(state, v->prop[i].value, 4, ';', sizeof state);
 235                                 extract_token(zipcode, v->prop[i].value, 5, ';', sizeof zipcode);
 236
 237                                 // ldap requires these fields to be something
 238                                 if (IsEmptyStr(street)) strcpy(street, "_");
 239                                 if (IsEmptyStr(zipcode)) strcpy(zipcode, "_");
 240                                 if (IsEmptyStr(city)) strcpy(city, "_");
 241                                 if (IsEmptyStr(state)) strcpy(state, "_");
 242
 243                                 (void) CtdlDoDirectoryServiceFunc("street", street, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 244                                 (void) CtdlDoDirectoryServiceFunc("l", city, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 245                                 (void) CtdlDoDirectoryServiceFunc("st", state, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 246                                 (void) CtdlDoDirectoryServiceFunc("postalcode", zipcode, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 247                         }
 248                 }
 249
 250                 if (!strcasecmp(v->prop[i].name, "tel;home"))
 251                         (void) CtdlDoDirectoryServiceFunc("homePhone", v->prop[i].value, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 252                 else
 253                 if (!strcasecmp(v->prop[i].name, "tel;fax"))
 254                         (void) CtdlDoDirectoryServiceFunc("facsimileTelephoneNumber", v->prop[i].value, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 255                 else
 256                 if (!strcasecmp(v->prop[i].name, "tel;cell"))
 257                         (void) CtdlDoDirectoryServiceFunc("mobile", v->prop[i].value, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 258                 else
 259                 if ( (!strcasecmp(v->prop[i].name, "tel"))
 260                    ||(!strncasecmp(v->prop[i].name, "tel;", 4)) ) {
 261                         (void) CtdlDoDirectoryServiceFunc("telephoneNumber", v->prop[i].value, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 262                 }
 263
 264
 265                 if ( (!strcasecmp(v->prop[i].name, "email"))
 266                    ||(!strcasecmp(v->prop[i].name, "email;internet")) ) {
 267                         (void) CtdlDoDirectoryServiceFunc("mail", v->prop[i].value, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 268                 }
 269
 270                 /* Calendar free/busy URL (take the first one we find, but if a subsequent
 271                  * one contains the "pref" designation then we go with that instead.)
 272                  */
 273                 if ( (!strcasecmp(v->prop[i].name, "fburl"))
 274                    ||(!strncasecmp(v->prop[i].name, "fburl;", 6)) ) {
 275                         if ( (IsEmptyStr(calFBURL))
 276                            || (!strncasecmp(v->prop[i].name, "fburl;pref", 10)) ) {
 277                                 safestrncpy(calFBURL, v->prop[i].value, sizeof calFBURL);
 278                         }
 279                 }
 280
 281         }
 282         vcard_free(v);  /* Don't need this anymore. */
 283
 284         /* "sn" (surname) based on info in vCard */
 285         (void) CtdlDoDirectoryServiceFunc("sn", sn, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 286
 287         /* "givenname" (first name) based on info in vCard */
 288         if (IsEmptyStr(givenname)) strcpy(givenname, "_");
 289         if (IsEmptyStr(sn)) strcpy(sn, "_");
 290         (void) CtdlDoDirectoryServiceFunc("givenname", givenname, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 291
 292         /* "uid" is a Kolab compatibility thing.  We just do cituser@citnode */
 293         (void) CtdlDoDirectoryServiceFunc("uid", uid, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 294
 295         /* Add a "cn" (Common Name) attribute based on the user's screen name,
 296          * but only there was no 'fn' (full name) property in the vCard
 297          */
 298         if (!have_cn)
 299                 (void) CtdlDoDirectoryServiceFunc("cn", msg->cm_fields['A'], &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 300
 301         /* Add a "calFBURL" attribute if a calendar free/busy URL exists */
 302         if (!IsEmptyStr(calFBURL)) {
 303                 (void) CtdlDoDirectoryServiceFunc("calFBURL", calFBURL, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 304         }
 305
 306         // Add this messages EUID as the primary key for this entry.
 307         (void) CtdlDoDirectoryServiceFunc("euid", msg->cm_fields['E'], &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 308
 309
 310         (void) CtdlDoDirectoryServiceFunc(ldap_dn, NULL, &objectlist, "ldap", DIRECTORY_SAVE_OBJECT);
 311
 312         (void) CtdlDoDirectoryServiceFunc(NULL, NULL, &objectlist, "ldap", DIRECTORY_FREE_OBJECT);
 313         lprintf(CTDL_DEBUG, "Directory Services write operation complete.\n");
 314 }
 315
 316
 317
 318 /*
 319  * Callback for vcard_add_to_directory()
 320  * (Lotsa ugly nested callbacks.  Oh well.)
 321  */
 322 void vcard_directory_add_user(char *internet_addr, char *citadel_addr) {
 323         char buf[SIZ];
 324
 325         /* We have to validate that we're not stepping on someone else's
 326          * email address ... but only if we're logged in.  Otherwise it's
 327          * probably just the networker or something.
 328          */
 329         if (CC->logged_in) {
 330                 lprintf(CTDL_DEBUG, "Checking for <%s>...\n", internet_addr);
 331                 if (CtdlDirectoryLookup(buf, internet_addr, sizeof buf) == 0) {
 332                         if (strcasecmp(buf, citadel_addr)) {
 333                                 /* This address belongs to someone else.
 334                                  * Bail out silently without saving.
 335                                  */
 336                                 lprintf(CTDL_DEBUG, "DOOP!\n");
 337                                 return;
 338                         }
 339                 }
 340         }
 341         lprintf(CTDL_INFO, "Adding %s (%s) to directory\n",
 342                         citadel_addr, internet_addr);
 343         CtdlDirectoryAddUser(internet_addr, citadel_addr);
 344 }
 345
 346
 347 /*
 348  * Back end function for cmd_igab()
 349  */
 350 void vcard_add_to_directory(long msgnum, void *data) {
 351         struct CtdlMessage *msg;
 352
 353         msg = CtdlFetchMessage(msgnum, 1);
 354         if (msg != NULL) {
 355                 vcard_extract_internet_addresses(msg, vcard_directory_add_user);
 356         }
 357
 358         ctdl_vcard_to_directory(msg, V2L_WRITE);
 359
 360         CtdlFreeMessage(msg);
 361 }
 362
 363
 364 /*
 365  * Initialize Global Adress Book
 366  */
 367 void cmd_igab(char *argbuf) {
 368         char hold_rm[ROOMNAMELEN];
 369
 370         if (CtdlAccessCheck(ac_aide)) return;
 371
 372         strcpy(hold_rm, CC->room.QRname);       /* save current room */
 373
 374         if (getroom(&CC->room, ADDRESS_BOOK_ROOM) != 0) {
 375                 getroom(&CC->room, hold_rm);
 376                 cprintf("%d cannot get address book room\n", ERROR + ROOM_NOT_FOUND);
 377                 return;
 378         }
 379
 380         /* Empty the existing database first.
 381          */
 382         CtdlDirectoryInit();
 383
 384         /* We want *all* vCards in this room */
 385         CtdlForEachMessage(MSGS_ALL, 0, NULL, "^[Tt][Ee][Xx][Tt]/.*[Vv][Cc][Aa][Rr][Dd]$",
 386                 NULL, vcard_add_to_directory, NULL);
 387
 388         getroom(&CC->room, hold_rm);    /* return to saved room */
 389         cprintf("%d Directory has been rebuilt.\n", CIT_OK);
 390 }
 391
 392
 393
 394
 395 /*
 396  * See if there is a valid Internet address in a vCard to use for outbound
 397  * Internet messages.  If there is, stick it in the buffer.
 398  */
 399 void extract_inet_email_addrs(char *emailaddrbuf, size_t emailaddrbuf_len,
 400                                 char *secemailaddrbuf, size_t secemailaddrbuf_len,
 401                                 struct vCard *v, int local_addrs_only) {
 402         char *s, *addr;
 403         int instance = 0;
 404         int saved_instance = 0;
 405
 406         /* Go through the vCard searching for *all* instances of
 407          * the "email;internet" key
 408          */
 409         while (s = vcard_get_prop(v, "email;internet", 0, instance++, 0),  s != NULL) {
 410                 addr = strdup(s);
 411                 striplt(addr);
 412                 if (!IsEmptyStr(addr)) {
 413                         if ( (IsDirectory(addr, 1)) ||
 414                              (!local_addrs_only) ) {
 415                                 ++saved_instance;
 416                                 if ((saved_instance == 1) && (emailaddrbuf != NULL)) {
 417                                         safestrncpy(emailaddrbuf, addr, emailaddrbuf_len);
 418                                 }
 419                                 else if ((saved_instance == 2) && (secemailaddrbuf != NULL)) {
 420                                         safestrncpy(secemailaddrbuf, addr, secemailaddrbuf_len);
 421                                 }
 422                                 else if ((saved_instance > 2) && (secemailaddrbuf != NULL)) {
 423                                         if ( (strlen(addr) + strlen(secemailaddrbuf) + 2)
 424                                            < secemailaddrbuf_len ) {
 425                                                 strcat(secemailaddrbuf, "|");
 426                                                 strcat(secemailaddrbuf, addr);
 427                                         }
 428                                 }
 429                         }
 430                 }
 431                 free(addr);
 432         }
 433 }
 434
 435
 436
 437 /*
 438  * See if there is a name / screen name / friendly name  in a vCard to use for outbound
 439  * Internet messages.  If there is, stick it in the buffer.
 440  */
 441 void extract_friendly_name(char *namebuf, size_t namebuf_len, struct vCard *v)
 442 {
 443         char *s;
 444
 445         s = vcard_get_prop(v, "fn", 0, 0, 0);
 446         if (s == NULL) {
 447                 s = vcard_get_prop(v, "n", 0, 0, 0);
 448         }
 449
 450         if (s != NULL) {
 451                 safestrncpy(namebuf, s, namebuf_len);
 452         }
 453 }
 454
 455
 456 /*
 457  * Callback function for vcard_upload_beforesave() hunts for the real vcard in the MIME structure
 458  */
 459 void vcard_extract_vcard(char *name, char *filename, char *partnum, char *disp,
 460                    void *content, char *cbtype, char *cbcharset, size_t length,
 461                    char *encoding, void *cbuserdata)
 462 {
 463         struct vCard **v = (struct vCard **) cbuserdata;
 464
 465         if (  (!strcasecmp(cbtype, "text/x-vcard"))
 466            || (!strcasecmp(cbtype, "text/vcard")) ) {
 467
 468                 lprintf(CTDL_DEBUG, "Part %s contains a vCard!  Loading...\n", partnum);
 469                 if (*v != NULL) {
 470                         vcard_free(*v);
 471                 }
 472                 *v = vcard_load(content);
 473         }
 474 }
 475
 476
 477 /*
 478  * This handler detects whether the user is attempting to save a new
 479  * vCard as part of his/her personal configuration, and handles the replace
 480  * function accordingly (delete the user's existing vCard in the config room
 481  * and in the global address book).
 482  */
 483 int vcard_upload_beforesave(struct CtdlMessage *msg) {
 484         char *ptr;
 485         char *s;
 486         char buf[SIZ];
 487         struct ctdluser usbuf;
 488         long what_user;
 489         struct vCard *v = NULL;
 490         char *ser = NULL;
 491         int i = 0;
 492         int yes_my_citadel_config = 0;
 493         int yes_any_vcard_room = 0;
 494
 495         if (!CC->logged_in) return(0);  /* Only do this if logged in. */
 496
 497         /* Is this some user's "My Citadel Config" room? */
 498         if ( (CC->room.QRflags && QR_MAILBOX)
 499            && (!strcasecmp(&CC->room.QRname[11], USERCONFIGROOM)) ) {
 500                 /* Yes, we want to do this */
 501                 yes_my_citadel_config = 1;
 502
 503 #ifdef VCARD_SAVES_BY_AIDES_ONLY
 504                 /* Prevent non-aides from performing registration changes */
 505                 if (CC->user.axlevel < 6) {
 506                         return(1);
 507                 }
 508 #endif
 509
 510         }
 511
 512         /* Is this a room with an address book in it? */
 513         if (CC->room.QRdefaultview == VIEW_ADDRESSBOOK) {
 514                 yes_any_vcard_room = 1;
 515         }
 516
 517         /* If neither condition exists, don't run this hook. */
 518         if ( (!yes_my_citadel_config) && (!yes_any_vcard_room) ) {
 519                 return(0);
 520         }
 521
 522         /* If this isn't a MIME message, don't bother. */
 523         if (msg->cm_format_type != 4) return(0);
 524
 525         /* Ok, if we got this far, look into the situation further... */
 526
 527         ptr = msg->cm_fields['M'];
 528         if (ptr == NULL) return(0);
 529
 530         mime_parser(msg->cm_fields['M'],
 531                 NULL,
 532                 *vcard_extract_vcard,
 533                 NULL, NULL,
 534                 &v,             /* user data ptr - put the vcard here */
 535                 0
 536         );
 537
 538         if (v == NULL) return(0);       /* no vCards were found in this message */
 539
 540         /* If users cannot create their own accounts, they cannot re-register either. */
 541         if ( (yes_my_citadel_config) && (config.c_disable_newu) && (CC->user.axlevel < 6) ) {
 542                 return(1);
 543         }
 544
 545         s = vcard_get_prop(v, "FN", 0, 0, 0);
 546         if (s) lprintf(CTDL_DEBUG, "vCard beforesave hook running for <%s>\n", s);
 547
 548         if (yes_my_citadel_config) {
 549                 /* Bingo!  The user is uploading a new vCard, so
 550                  * delete the old one.  First, figure out which user
 551                  * is being re-registered...
 552                  */
 553                 what_user = atol(CC->room.QRname);
 554
 555                 if (what_user == CC->user.usernum) {
 556                         /* It's the logged in user.  That was easy. */
 557                         memcpy(&usbuf, &CC->user, sizeof(struct ctdluser));
 558                 }
 559
 560                 else if (getuserbynumber(&usbuf, what_user) == 0) {
 561                         /* We fetched a valid user record */
 562                 }
 563
 564                 else {
 565                         /* somebody set up us the bomb! */
 566                         yes_my_citadel_config = 0;
 567                 }
 568         }
 569
 570         if (yes_my_citadel_config) {
 571                 /* Delete the user's old vCard.  This would probably
 572                  * get taken care of by the replication check, but we
 573                  * want to make sure there is absolutely only one
 574                  * vCard in the user's config room at all times.
 575                  *
 576                  */
 577                 CtdlDeleteMessages(CC->room.QRname, NULL, 0, "^[Tt][Ee][Xx][Tt]/.*[Vv][Cc][Aa][Rr][Dd]$");
 578
 579                 /* Make the author of the message the name of the user. */
 580                 if (msg->cm_fields['A'] != NULL) {
 581                         free(msg->cm_fields['A']);
 582                 }
 583                 msg->cm_fields['A'] = strdup(usbuf.fullname);
 584         }
 585
 586         /* Insert or replace RFC2739-compliant free/busy URL */
 587         if (yes_my_citadel_config) {
 588                 sprintf(buf, "http://%s/%s.vfb",
 589                         config.c_fqdn,
 590                         usbuf.fullname);
 591                 for (i=0; buf[i]; ++i) {
 592                         if (buf[i] == ' ') buf[i] = '_';
 593                 }
 594                 vcard_set_prop(v, "FBURL;PREF", buf, 0);
 595         }
 596
 597         /* If the vCard has no UID, then give it one. */
 598         s = vcard_get_prop(v, "UID", 0, 0, 0);
 599         if (s == NULL) {
 600                 generate_uuid(buf);
 601                 vcard_set_prop(v, "UID", buf, 0);
 602         }
 603
 604         /* Enforce local UID policy if applicable */
 605         if (yes_my_citadel_config) {
 606                 snprintf(buf, sizeof buf, VCARD_EXT_FORMAT, msg->cm_fields['A'], NODENAME);
 607                 vcard_set_prop(v, "UID", buf, 0);
 608         }
 609
 610         /*
 611          * Set the EUID of the message to the UID of the vCard.
 612          */
 613         if (msg->cm_fields['E'] != NULL) free(msg->cm_fields['E']);
 614         s = vcard_get_prop(v, "UID", 0, 0, 0);
 615         if (s != NULL) {
 616                 msg->cm_fields['E'] = strdup(s);
 617                 if (msg->cm_fields['U'] == NULL) {
 618                         msg->cm_fields['U'] = strdup(s);
 619                 }
 620         }
 621
 622         /*
 623          * Set the Subject to the name in the vCard.
 624          */
 625         s = vcard_get_prop(v, "FN", 0, 0, 0);
 626         if (s == NULL) {
 627                 s = vcard_get_prop(v, "N", 0, 0, 0);
 628         }
 629         if (s != NULL) {
 630                 if (msg->cm_fields['U'] != NULL) {
 631                         free(msg->cm_fields['U']);
 632                 }
 633                 msg->cm_fields['U'] = strdup(s);
 634         }
 635
 636         /* Re-serialize it back into the msg body */
 637         ser = vcard_serialize(v);
 638         if (ser != NULL) {
 639                 msg->cm_fields['M'] = realloc(msg->cm_fields['M'], strlen(ser) + 1024);
 640                 sprintf(msg->cm_fields['M'],
 641                         "Content-type: " VCARD_MIME_TYPE
 642                         "\r\n\r\n%s\r\n", ser);
 643                 free(ser);
 644         }
 645
 646         /* Now allow the save to complete. */
 647         vcard_free(v);
 648         return(0);
 649 }
 650
 651
 652
 653 /*
 654  * This handler detects whether the user is attempting to save a new
 655  * vCard as part of his/her personal configuration, and handles the replace
 656  * function accordingly (copy the vCard from the config room to the global
 657  * address book).
 658  */
 659 int vcard_upload_aftersave(struct CtdlMessage *msg) {
 660         char *ptr;
 661         int linelen;
 662         long I;
 663         struct vCard *v;
 664         int is_UserConf=0;
 665         int is_GAB=0;
 666
 667         if (!CC->logged_in) return(0);  /* Only do this if logged in. */
 668
 669         /* If this isn't the configuration room, or if this isn't a MIME
 670          * message, don't bother.
 671          */
 672         if (msg->cm_fields['O'] == NULL) return(0);
 673         if (!strcasecmp(msg->cm_fields['O'], USERCONFIGROOM)) is_UserConf = 1;
 674         if (!strcasecmp(msg->cm_fields['O'], ADDRESS_BOOK_ROOM)) is_GAB = 1;
 675         if (!is_UserConf && !is_GAB) return(0);
 676         if (msg->cm_format_type != 4) return(0);
 677
 678         ptr = msg->cm_fields['M'];
 679         if (ptr == NULL) return(0);
 680         while (ptr != NULL) {
 681
 682                 linelen = strcspn(ptr, "\n");
 683                 if (linelen == 0) return(0);    /* end of headers */
 684
 685                 if (  (!strncasecmp(ptr, "Content-type: text/x-vcard", 26))
 686                    || (!strncasecmp(ptr, "Content-type: text/vcard", 24)) ) {
 687                         /*
 688                          * Bingo!  The user is uploading a new vCard, so
 689                          * copy it to the Global Address Book room.
 690                          */
 691
 692                         I = atol(msg->cm_fields['I']);
 693                         if (I < 0L) return(0);
 694
 695                         /* Store our Internet return address in memory */
 696                         v = vcard_load(msg->cm_fields['M']);
 697                         extract_inet_email_addrs(CC->cs_inet_email, sizeof CC->cs_inet_email,
 698                                                 CC->cs_inet_other_emails, sizeof CC->cs_inet_other_emails,
 699                                                 v, 1);
 700                         extract_friendly_name(CC->cs_inet_fn, sizeof CC->cs_inet_fn, v);
 701                         vcard_free(v);
 702
 703                         if (!is_GAB)
 704                         {       // This is not the GAB
 705                                 /* Put it in the Global Address Book room... */
 706                                 CtdlSaveMsgPointerInRoom(ADDRESS_BOOK_ROOM, I, 1, msg);
 707                         }
 708
 709                         /* ...and also in the directory database. */
 710                         vcard_add_to_directory(I, NULL);
 711
 712                         /* Some sites want an Aide to be notified when a
 713                          * user registers or re-registers...
 714                          */
 715                         set_mm_valid();
 716
 717                         /* ...which also means we need to flag the user */
 718                         lgetuser(&CC->user, CC->curr_user);
 719                         CC->user.flags |= (US_REGIS|US_NEEDVALID);
 720                         lputuser(&CC->user);
 721
 722                         return(0);
 723                 }
 724
 725                 ptr = strchr((char *)ptr, '\n');
 726                 if (ptr != NULL) ++ptr;
 727         }
 728
 729         return(0);
 730 }
 731
 732
 733
 734 /*
 735  * back end function used for callbacks
 736  */
 737 void vcard_gu_backend(long supplied_msgnum, void *userdata) {
 738         long *msgnum;
 739
 740         msgnum = (long *) userdata;
 741         *msgnum = supplied_msgnum;
 742 }
 743
 744
 745 /*
 746  * If this user has a vcard on disk, read it into memory, otherwise allocate
 747  * and return an empty vCard.
 748  */
 749 struct vCard *vcard_get_user(struct ctdluser *u) {
 750         char hold_rm[ROOMNAMELEN];
 751         char config_rm[ROOMNAMELEN];
 752         struct CtdlMessage *msg = NULL;
 753         struct vCard *v;
 754         long VCmsgnum;
 755
 756         strcpy(hold_rm, CC->room.QRname);       /* save current room */
 757         MailboxName(config_rm, sizeof config_rm, u, USERCONFIGROOM);
 758
 759         if (getroom(&CC->room, config_rm) != 0) {
 760                 getroom(&CC->room, hold_rm);
 761                 return vcard_new();
 762         }
 763
 764         /* We want the last (and probably only) vcard in this room */
 765         VCmsgnum = (-1);
 766         CtdlForEachMessage(MSGS_LAST, 1, NULL, "^[Tt][Ee][Xx][Tt]/.*[Vv][Cc][Aa][Rr][Dd]$",
 767                 NULL, vcard_gu_backend, (void *)&VCmsgnum );
 768         getroom(&CC->room, hold_rm);    /* return to saved room */
 769
 770         if (VCmsgnum < 0L) return vcard_new();
 771
 772         msg = CtdlFetchMessage(VCmsgnum, 1);
 773         if (msg == NULL) return vcard_new();
 774
 775         v = vcard_load(msg->cm_fields['M']);
 776         CtdlFreeMessage(msg);
 777         return v;
 778 }
 779
 780
 781 /*
 782  * Store this user's vCard in the appropriate place
 783  */
 784 /*
 785  * Write our config to disk
 786  */
 787 void vcard_write_user(struct ctdluser *u, struct vCard *v) {
 788         char temp[PATH_MAX];
 789         FILE *fp;
 790         char *ser;
 791
 792         CtdlMakeTempFileName(temp, sizeof temp);
 793         ser = vcard_serialize(v);
 794
 795         fp = fopen(temp, "w");
 796         if (fp == NULL) return;
 797         if (ser == NULL) {
 798                 fprintf(fp, "begin:vcard\r\nend:vcard\r\n");
 799         } else {
 800                 fwrite(ser, strlen(ser), 1, fp);
 801                 free(ser);
 802         }
 803         fclose(fp);
 804
 805         /* This handy API function does all the work for us.
 806          * NOTE: normally we would want to set that last argument to 1, to
 807          * force the system to delete the user's old vCard.  But it doesn't
 808          * have to, because the vcard_upload_beforesave() hook above
 809          * is going to notice what we're trying to do, and delete the old vCard.
 810          */
 811         CtdlWriteObject(USERCONFIGROOM, /* which room */
 812                         VCARD_MIME_TYPE,/* MIME type */
 813                         temp,           /* temp file */
 814                         u,              /* which user */
 815                         0,              /* not binary */
 816                         0,              /* don't delete others of this type */
 817                         0);             /* no flags */
 818
 819         unlink(temp);
 820 }
 821
 822
 823
 824 /*
 825  * Old style "enter registration info" command.  This function simply honors
 826  * the REGI protocol command, translates the entered parameters into a vCard,
 827  * and enters the vCard into the user's configuration.
 828  */
 829 void cmd_regi(char *argbuf) {
 830         int a,b,c;
 831         char buf[SIZ];
 832         struct vCard *my_vcard;
 833
 834         char tmpaddr[SIZ];
 835         char tmpcity[SIZ];
 836         char tmpstate[SIZ];
 837         char tmpzip[SIZ];
 838         char tmpaddress[SIZ];
 839         char tmpcountry[SIZ];
 840
 841         unbuffer_output();
 842
 843         if (!(CC->logged_in)) {
 844                 cprintf("%d Not logged in.\n",ERROR + NOT_LOGGED_IN);
 845                 return;
 846         }
 847
 848         /* If users cannot create their own accounts, they cannot re-register either. */
 849         if ( (config.c_disable_newu) && (CC->user.axlevel < 6) ) {
 850                 cprintf("%d Self-service registration is not allowed here.\n",
 851                         ERROR + HIGHER_ACCESS_REQUIRED);
 852         }
 853
 854         my_vcard = vcard_get_user(&CC->user);
 855         strcpy(tmpaddr, "");
 856         strcpy(tmpcity, "");
 857         strcpy(tmpstate, "");
 858         strcpy(tmpzip, "");
 859         strcpy(tmpcountry, "USA");
 860
 861         cprintf("%d Send registration...\n", SEND_LISTING);
 862         a=0;
 863         while (client_getln(buf, sizeof buf), strcmp(buf,"000")) {
 864                 if (a==0) vcard_set_prop(my_vcard, "n", buf, 0);
 865                 if (a==1) strcpy(tmpaddr, buf);
 866                 if (a==2) strcpy(tmpcity, buf);
 867                 if (a==3) strcpy(tmpstate, buf);
 868                 if (a==4) {
 869                         for (c=0; buf[c]; ++c) {
 870                                 if ((buf[c]>='0') && (buf[c]<='9')) {
 871                                         b = strlen(tmpzip);
 872                                         tmpzip[b] = buf[c];
 873                                         tmpzip[b+1] = 0;
 874                                 }
 875                         }
 876                 }
 877                 if (a==5) vcard_set_prop(my_vcard, "tel;home", buf, 0);
 878                 if (a==6) vcard_set_prop(my_vcard, "email;internet", buf, 0);
 879                 if (a==7) strcpy(tmpcountry, buf);
 880                 ++a;
 881         }
 882
 883         snprintf(tmpaddress, sizeof tmpaddress, ";;%s;%s;%s;%s;%s",
 884                 tmpaddr, tmpcity, tmpstate, tmpzip, tmpcountry);
 885         vcard_set_prop(my_vcard, "adr", tmpaddress, 0);
 886         vcard_write_user(&CC->user, my_vcard);
 887         vcard_free(my_vcard);
 888 }
 889
 890
 891 /*
 892  * Protocol command to fetch registration info for a user
 893  */
 894 void cmd_greg(char *argbuf)
 895 {
 896         struct ctdluser usbuf;
 897         struct vCard *v;
 898         char *s;
 899         char who[USERNAME_SIZE];
 900         char adr[256];
 901         char buf[256];
 902
 903         extract_token(who, argbuf, 0, '|', sizeof who);
 904
 905         if (!(CC->logged_in)) {
 906                 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
 907                 return;
 908         }
 909
 910         if (!strcasecmp(who,"_SELF_")) strcpy(who,CC->curr_user);
 911
 912         if ((CC->user.axlevel < 6) && (strcasecmp(who,CC->curr_user))) {
 913                 cprintf("%d Higher access required.\n",
 914                         ERROR + HIGHER_ACCESS_REQUIRED);
 915                 return;
 916         }
 917
 918         if (getuser(&usbuf, who) != 0) {
 919                 cprintf("%d '%s' not found.\n", ERROR + NO_SUCH_USER, who);
 920                 return;
 921         }
 922
 923         v = vcard_get_user(&usbuf);
 924
 925         cprintf("%d %s\n", LISTING_FOLLOWS, usbuf.fullname);
 926         cprintf("%ld\n", usbuf.usernum);
 927         cprintf("%s\n", usbuf.password);
 928         s = vcard_get_prop(v, "n", 0, 0, 0);
 929         cprintf("%s\n", s ? s : " ");   /* name */
 930
 931         s = vcard_get_prop(v, "adr", 0, 0, 0);
 932         snprintf(adr, sizeof adr, "%s", s ? s : " ");/* address... */
 933
 934         extract_token(buf, adr, 2, ';', sizeof buf);
 935         cprintf("%s\n", buf);                           /* street */
 936         extract_token(buf, adr, 3, ';', sizeof buf);
 937         cprintf("%s\n", buf);                           /* city */
 938         extract_token(buf, adr, 4, ';', sizeof buf);
 939         cprintf("%s\n", buf);                           /* state */
 940         extract_token(buf, adr, 5, ';', sizeof buf);
 941         cprintf("%s\n", buf);                           /* zip */
 942
 943         s = vcard_get_prop(v, "tel;home", 0, 0, 0);
 944         if (s == NULL) s = vcard_get_prop(v, "tel", 1, 0, 0);
 945         if (s != NULL) {
 946                 cprintf("%s\n", s);
 947         }
 948         else {
 949                 cprintf(" \n");
 950         }
 951
 952         cprintf("%d\n", usbuf.axlevel);
 953
 954         s = vcard_get_prop(v, "email;internet", 0, 0, 0);
 955         cprintf("%s\n", s ? s : " ");
 956         s = vcard_get_prop(v, "adr", 0, 0, 0);
 957         snprintf(adr, sizeof adr, "%s", s ? s : " ");/* address... */
 958
 959         extract_token(buf, adr, 6, ';', sizeof buf);
 960         cprintf("%s\n", buf);                           /* country */
 961         cprintf("000\n");
 962         vcard_free(v);
 963 }
 964
 965
 966
 967 /*
 968  * When a user is being created, create his/her vCard.
 969  */
 970 void vcard_newuser(struct ctdluser *usbuf) {
 971         char vname[256];
 972         char buf[256];
 973         int i;
 974         struct vCard *v;
 975
 976         vcard_fn_to_n(vname, usbuf->fullname, sizeof vname);
 977         lprintf(CTDL_DEBUG, "Converted <%s> to <%s>\n", usbuf->fullname, vname);
 978
 979         /* Create and save the vCard */
 980         v = vcard_new();
 981         if (v == NULL) return;
 982         sprintf(buf, "%s@%s", usbuf->fullname, config.c_fqdn);
 983         for (i=0; buf[i]; ++i) {
 984                 if (buf[i] == ' ') buf[i] = '_';
 985         }
 986         vcard_add_prop(v, "fn", usbuf->fullname);
 987         vcard_add_prop(v, "n", vname);
 988         vcard_add_prop(v, "adr", "adr:;;_;_;_;00000;__");
 989         vcard_add_prop(v, "email;internet", buf);
 990         vcard_write_user(usbuf, v);
 991         vcard_free(v);
 992 }
 993
 994
 995 /*
 996  * When a user is being deleted, we have to remove his/her vCard.
 997  * This is accomplished by issuing a message with 'CANCEL' in the S (special)
 998  * field, and the same Exclusive ID as the existing card.
 999  */
1000 void vcard_purge(struct ctdluser *usbuf) {
1001         struct CtdlMessage *msg;
1002         char buf[SIZ];
1003
1004         msg = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1005         if (msg == NULL) return;
1006         memset(msg, 0, sizeof(struct CtdlMessage));
1007
1008         msg->cm_magic = CTDLMESSAGE_MAGIC;
1009         msg->cm_anon_type = MES_NORMAL;
1010         msg->cm_format_type = 0;
1011         msg->cm_fields['A'] = strdup(usbuf->fullname);
1012         msg->cm_fields['O'] = strdup(ADDRESS_BOOK_ROOM);
1013         msg->cm_fields['N'] = strdup(NODENAME);
1014         msg->cm_fields['M'] = strdup("Purge this vCard\n");
1015
1016         snprintf(buf, sizeof buf, VCARD_EXT_FORMAT,
1017                         msg->cm_fields['A'], NODENAME);
1018         msg->cm_fields['E'] = strdup(buf);
1019
1020         msg->cm_fields['S'] = strdup("CANCEL");
1021
1022         CtdlSubmitMsg(msg, NULL, ADDRESS_BOOK_ROOM);
1023         CtdlFreeMessage(msg);
1024 }
1025
1026
1027 /*
1028  * Grab vCard directory stuff out of incoming network messages
1029  */
1030 int vcard_extract_from_network(struct CtdlMessage *msg, char *target_room) {
1031         char *ptr;
1032         int linelen;
1033
1034         if (msg == NULL) return(0);
1035
1036         if (strcasecmp(target_room, ADDRESS_BOOK_ROOM)) {
1037                 return(0);
1038         }
1039
1040         if (msg->cm_format_type != 4) return(0);
1041
1042         ptr = msg->cm_fields['M'];
1043         if (ptr == NULL) return(0);
1044         while (ptr != NULL) {
1045
1046                 linelen = strcspn(ptr, "\n");
1047                 if (linelen == 0) return(0);    /* end of headers */
1048
1049                 if (  (!strncasecmp(ptr, "Content-type: text/x-vcard", 26))
1050                    || (!strncasecmp(ptr, "Content-type: text/vcard", 24)) ) {
1051                         /* It's a vCard.  Add it to the directory. */
1052                         vcard_extract_internet_addresses(msg, CtdlDirectoryAddUser);
1053                         return(0);
1054                 }
1055
1056                 ptr = strchr((char *)ptr, '\n');
1057                 if (ptr != NULL) ++ptr;
1058         }
1059
1060         return(0);
1061 }
1062
1063
1064
1065 /*
1066  * When a vCard is being removed from the Global Address Book room, remove it
1067  * from the directory as well.
1068  */
1069 void vcard_delete_remove(char *room, long msgnum) {
1070         struct CtdlMessage *msg;
1071         char *ptr;
1072         int linelen;
1073
1074         if (msgnum <= 0L) return;
1075
1076         if (room == NULL) return;
1077
1078         if (strcasecmp(room, ADDRESS_BOOK_ROOM)) {
1079                 return;
1080         }
1081
1082         msg = CtdlFetchMessage(msgnum, 1);
1083         if (msg == NULL) return;
1084
1085         ptr = msg->cm_fields['M'];
1086         if (ptr == NULL) goto EOH;
1087         while (ptr != NULL) {
1088                 linelen = strcspn(ptr, "\n");
1089                 if (linelen == 0) goto EOH;
1090
1091                 if (  (!strncasecmp(ptr, "Content-type: text/x-vcard", 26))
1092                    || (!strncasecmp(ptr, "Content-type: text/vcard", 24)) ) {
1093                         /* Bingo!  A vCard is being deleted. */
1094                         vcard_extract_internet_addresses(msg, CtdlDirectoryDelUser);
1095                         ctdl_vcard_to_directory(msg, V2L_DELETE);
1096                 }
1097                 ptr = strchr((char *)ptr, '\n');
1098                 if (ptr != NULL) ++ptr;
1099         }
1100
1101 EOH:    CtdlFreeMessage(msg);
1102 }
1103
1104
1105
1106 /*
1107  * Get Valid Screen Names
1108  */
1109 void cmd_gvsn(char *argbuf)
1110 {
1111         if (CtdlAccessCheck(ac_logged_in)) return;
1112
1113         cprintf("%d valid screen names:\n", LISTING_FOLLOWS);
1114         cprintf("%s\n", CC->user.fullname);
1115         if ( (!IsEmptyStr(CC->cs_inet_fn)) && (strcasecmp(CC->user.fullname, CC->cs_inet_fn)) ) {
1116                 cprintf("%s\n", CC->cs_inet_fn);
1117         }
1118         cprintf("000\n");
1119 }
1120
1121
1122 /*
1123  * Get Valid Email Addresses
1124  */
1125 void cmd_gvea(char *argbuf)
1126 {
1127         int num_secondary_emails = 0;
1128         int i;
1129         char buf[256];
1130
1131         if (CtdlAccessCheck(ac_logged_in)) return;
1132
1133         cprintf("%d valid email addresses:\n", LISTING_FOLLOWS);
1134         if (!IsEmptyStr(CC->cs_inet_email)) {
1135                 cprintf("%s\n", CC->cs_inet_email);
1136         }
1137         if (!IsEmptyStr(CC->cs_inet_other_emails)) {
1138                 num_secondary_emails = num_tokens(CC->cs_inet_other_emails, '|');
1139                 for (i=0; i<num_secondary_emails; ++i) {
1140                         extract_token(buf, CC->cs_inet_other_emails,i,'|',sizeof CC->cs_inet_other_emails);
1141                         cprintf("%s\n", buf);
1142                 }
1143         }
1144         cprintf("000\n");
1145 }
1146
1147
1148
1149
1150 /*
1151  * Callback function for cmd_dvca() that hunts for vCard content types
1152  * and outputs any email addresses found within.
1153  */
1154 void dvca_mime_callback(char *name, char *filename, char *partnum, char *disp,
1155                 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1156                 void *cbuserdata) {
1157
1158         struct vCard *v;
1159         char displayname[256];
1160         int displayname_len;
1161         char emailaddr[256];
1162         int i;
1163         int has_commas = 0;
1164
1165         if ( (strcasecmp(cbtype, "text/vcard")) && (strcasecmp(cbtype, "text/x-vcard")) ) {
1166                 return;
1167         }
1168
1169         v = vcard_load(content);
1170         if (v == NULL) return;
1171
1172         extract_friendly_name(displayname, sizeof displayname, v);
1173         extract_inet_email_addrs(emailaddr, sizeof emailaddr, NULL, 0, v, 0);
1174
1175         displayname_len = strlen(displayname);
1176         for (i=0; i<displayname_len; ++i) {
1177                 if (displayname[i] == '\"') displayname[i] = ' ';
1178                 if (displayname[i] == ';') displayname[i] = ',';
1179                 if (displayname[i] == ',') has_commas = 1;
1180         }
1181         striplt(displayname);
1182
1183         cprintf("%s%s%s <%s>\n",
1184                 (has_commas ? "\"" : ""),
1185                 displayname,
1186                 (has_commas ? "\"" : ""),
1187                 emailaddr
1188         );
1189
1190         vcard_free(v);
1191 }
1192
1193
1194 /*
1195  * Back end callback function for cmd_dvca()
1196  *
1197  * It's basically just passed a list of message numbers, which we're going
1198  * to fetch off the disk and then pass along to the MIME parser via another
1199  * layer of callback...
1200  */
1201 void dvca_callback(long msgnum, void *userdata) {
1202         struct CtdlMessage *msg = NULL;
1203
1204         msg = CtdlFetchMessage(msgnum, 1);
1205         if (msg == NULL) return;
1206         mime_parser(msg->cm_fields['M'],
1207                 NULL,
1208                 *dvca_mime_callback,    /* callback function */
1209                 NULL, NULL,
1210                 NULL,                   /* user data */
1211                 0
1212         );
1213         CtdlFreeMessage(msg);
1214 }
1215
1216
1217 /*
1218  * Dump VCard Addresses
1219  */
1220 void cmd_dvca(char *argbuf)
1221 {
1222         if (CtdlAccessCheck(ac_logged_in)) return;
1223
1224         cprintf("%d addresses:\n", LISTING_FOLLOWS);
1225         CtdlForEachMessage(MSGS_ALL, 0, NULL, NULL, NULL, dvca_callback, NULL);
1226         cprintf("000\n");
1227 }
1228
1229
1230 /*
1231  * Query Directory
1232  */
1233 void cmd_qdir(char *argbuf) {
1234         char citadel_addr[256];
1235         char internet_addr[256];
1236
1237         if (CtdlAccessCheck(ac_logged_in)) return;
1238
1239         extract_token(internet_addr, argbuf, 0, '|', sizeof internet_addr);
1240
1241         if (CtdlDirectoryLookup(citadel_addr, internet_addr, sizeof citadel_addr) != 0) {
1242                 cprintf("%d %s was not found.\n",
1243                         ERROR + NO_SUCH_USER, internet_addr);
1244                 return;
1245         }
1246
1247         cprintf("%d %s\n", CIT_OK, citadel_addr);
1248 }
1249
1250 /*
1251  * Query Directory, in fact an alias to match postfix tcp auth.
1252  */
1253 void check_get(void) {
1254         char internet_addr[256];
1255
1256         char cmdbuf[SIZ];
1257
1258         time(&CC->lastcmd);
1259         memset(cmdbuf, 0, sizeof cmdbuf); /* Clear it, just in case */
1260         if (client_getln(cmdbuf, sizeof cmdbuf) < 1) {
1261                 lprintf(CTDL_CRIT, "Client disconnected: ending session.\n");
1262                 CC->kill_me = 1;
1263                 return;
1264         }
1265         lprintf(CTDL_INFO, ": %s\n", cmdbuf);
1266         while (strlen(cmdbuf) < 3) strcat(cmdbuf, " ");
1267
1268         if (strcasecmp(cmdbuf, "GET "));
1269         {
1270                 struct recptypes *rcpt;
1271                 char *argbuf = &cmdbuf[4];
1272
1273                 extract_token(internet_addr, argbuf, 0, '|', sizeof internet_addr);
1274                 rcpt = validate_recipients(internet_addr);
1275                 if ((rcpt != NULL)&&
1276                         (
1277                          (*rcpt->recp_local != '\0')||
1278                          (*rcpt->recp_room != '\0')||
1279                          (*rcpt->recp_ignet != '\0')))
1280                 {
1281
1282                         cprintf("200 OK %s\n", internet_addr);
1283                         lprintf(CTDL_INFO, "sending 200 OK for the room %s\n", rcpt->display_recp);
1284                 }
1285                 else
1286                 {
1287                         cprintf("500 REJECT noone here by that name.\n");
1288
1289                         lprintf(CTDL_INFO, "sending 500 REJECT noone here by that name: %s\n", internet_addr);
1290                 }
1291                 if (rcpt != NULL) free_recipients(rcpt);
1292         }
1293 }
1294
1295 void check_get_greeting(void) {
1296 /* dummy function, we have no greeting in this verry simple protocol. */
1297 }
1298
1299
1300 /*
1301  * We don't know if the Contacts room exists so we just create it at login
1302  */
1303 void vcard_create_room(void)
1304 {
1305         struct ctdlroom qr;
1306         struct visit vbuf;
1307
1308         /* Create the calendar room if it doesn't already exist */
1309         create_room(USERCONTACTSROOM, 4, "", 0, 1, 0, VIEW_ADDRESSBOOK);
1310
1311         /* Set expiration policy to manual; otherwise objects will be lost! */
1312         if (lgetroom(&qr, USERCONTACTSROOM)) {
1313                 lprintf(CTDL_ERR, "Couldn't get the user CONTACTS room!\n");
1314                 return;
1315         }
1316         qr.QRep.expire_mode = EXPIRE_MANUAL;
1317         qr.QRdefaultview = VIEW_ADDRESSBOOK;    /* 2 = address book view */
1318         lputroom(&qr);
1319
1320         /* Set the view to a calendar view */
1321         CtdlGetRelationship(&vbuf, &CC->user, &qr);
1322         vbuf.v_view = 2;        /* 2 = address book view */
1323         CtdlSetRelationship(&vbuf, &CC->user, &qr);
1324
1325         return;
1326 }
1327
1328
1329
1330
1331 /*
1332  * When a user logs in...
1333  */
1334 void vcard_session_login_hook(void) {
1335         struct vCard *v = NULL;
1336
1337         v = vcard_get_user(&CC->user);
1338         extract_inet_email_addrs(CC->cs_inet_email, sizeof CC->cs_inet_email,
1339                                 CC->cs_inet_other_emails, sizeof CC->cs_inet_other_emails,
1340                                 v, 1);
1341         extract_friendly_name(CC->cs_inet_fn, sizeof CC->cs_inet_fn, v);
1342         vcard_free(v);
1343
1344         vcard_create_room();
1345 }
1346
1347
1348 /*
1349  * Turn an arbitrary RFC822 address into a struct vCard for possible
1350  * inclusion into an address book.
1351  */
1352 struct vCard *vcard_new_from_rfc822_addr(char *addr) {
1353         struct vCard *v;
1354         char user[256], node[256], name[256], email[256], n[256], uid[256];
1355         int i;
1356
1357         v = vcard_new();
1358         if (v == NULL) return(NULL);
1359
1360         process_rfc822_addr(addr, user, node, name);
1361         vcard_set_prop(v, "fn", name, 0);
1362
1363         vcard_fn_to_n(n, name, sizeof n);
1364         vcard_set_prop(v, "n", n, 0);
1365
1366         snprintf(email, sizeof email, "%s@%s", user, node);
1367         vcard_set_prop(v, "email;internet", email, 0);
1368
1369         snprintf(uid, sizeof uid, "collected: %s %s@%s", name, user, node);
1370         for (i=0; uid[i]; ++i) {
1371                 if (isspace(uid[i])) uid[i] = '_';
1372                 uid[i] = tolower(uid[i]);
1373         }
1374         vcard_set_prop(v, "UID", uid, 0);
1375
1376         return(v);
1377 }
1378
1379
1380
1381 /*
1382  * This is called by store_harvested_addresses() to remove from the
1383  * list any addresses we already have in our address book.
1384  */
1385 void strip_addresses_already_have(long msgnum, void *userdata) {
1386         char *collected_addresses;
1387         struct CtdlMessage *msg = NULL;
1388         struct vCard *v;
1389         char *value = NULL;
1390         int i, j;
1391         char addr[256], user[256], node[256], name[256];
1392
1393         collected_addresses = (char *)userdata;
1394
1395         msg = CtdlFetchMessage(msgnum, 1);
1396         if (msg == NULL) return;
1397         v = vcard_load(msg->cm_fields['M']);
1398         CtdlFreeMessage(msg);
1399
1400         i = 0;
1401         while (value = vcard_get_prop(v, "email", 1, i++, 0), value != NULL) {
1402
1403                 for (j=0; j<num_tokens(collected_addresses, ','); ++j) {
1404                         extract_token(addr, collected_addresses, j, ',', sizeof addr);
1405
1406                         /* Remove the address if we already have it! */
1407                         process_rfc822_addr(addr, user, node, name);
1408                         snprintf(addr, sizeof addr, "%s@%s", user, node);
1409                         if (!strcasecmp(value, addr)) {
1410                                 remove_token(collected_addresses, j, ',');
1411                         }
1412                 }
1413
1414         }
1415
1416         vcard_free(v);
1417 }
1418
1419
1420
1421 /*
1422  * Back end function for store_harvested_addresses()
1423  */
1424 void store_this_ha(struct addresses_to_be_filed *aptr) {
1425         struct CtdlMessage *vmsg = NULL;
1426         long vmsgnum = (-1L);
1427         char *ser = NULL;
1428         struct vCard *v = NULL;
1429         char recipient[256];
1430         int i;
1431
1432         /* First remove any addresses we already have in the address book */
1433         usergoto(aptr->roomname, 0, 0, NULL, NULL);
1434         CtdlForEachMessage(MSGS_ALL, 0, NULL, "^[Tt][Ee][Xx][Tt]/.*[Vv][Cc][Aa][Rr][Dd]$", NULL,
1435                 strip_addresses_already_have, aptr->collected_addresses);
1436
1437         if (!IsEmptyStr(aptr->collected_addresses))
1438            for (i=0; i<num_tokens(aptr->collected_addresses, ','); ++i) {
1439
1440                 /* Make a vCard out of each address */
1441                 extract_token(recipient, aptr->collected_addresses, i, ',', sizeof recipient);
1442                 striplt(recipient);
1443                 v = vcard_new_from_rfc822_addr(recipient);
1444                 if (v != NULL) {
1445                         vmsg = malloc(sizeof(struct CtdlMessage));
1446                         memset(vmsg, 0, sizeof(struct CtdlMessage));
1447                         vmsg->cm_magic = CTDLMESSAGE_MAGIC;
1448                         vmsg->cm_anon_type = MES_NORMAL;
1449                         vmsg->cm_format_type = FMT_RFC822;
1450                         vmsg->cm_fields['A'] = strdup("Citadel");
1451                         vmsg->cm_fields['E'] =  strdup(vcard_get_prop(v, "UID", 0, 0, 0));
1452                         ser = vcard_serialize(v);
1453                         if (ser != NULL) {
1454                                 vmsg->cm_fields['M'] = malloc(strlen(ser) + 1024);
1455                                 sprintf(vmsg->cm_fields['M'],
1456                                         "Content-type: " VCARD_MIME_TYPE
1457                                         "\r\n\r\n%s\r\n", ser);
1458                                 free(ser);
1459                         }
1460                         vcard_free(v);
1461
1462                         lprintf(CTDL_DEBUG, "Adding contact: %s\n", recipient);
1463                         vmsgnum = CtdlSubmitMsg(vmsg, NULL, aptr->roomname);
1464                         CtdlFreeMessage(vmsg);
1465                 }
1466         }
1467
1468         free(aptr->roomname);
1469         free(aptr->collected_addresses);
1470         free(aptr);
1471 }
1472
1473
1474 /*
1475  * When a user sends a message, we may harvest one or more email addresses
1476  * from the recipient list to be added to the user's address book.  But we
1477  * want to do this asynchronously so it doesn't keep the user waiting.
1478  */
1479 void store_harvested_addresses(void) {
1480
1481         struct addresses_to_be_filed *aptr = NULL;
1482
1483         if (atbf == NULL) return;
1484
1485         begin_critical_section(S_ATBF);
1486         while (atbf != NULL) {
1487                 aptr = atbf;
1488                 atbf = atbf->next;
1489                 end_critical_section(S_ATBF);
1490                 store_this_ha(aptr);
1491                 begin_critical_section(S_ATBF);
1492         }
1493         end_critical_section(S_ATBF);
1494 }
1495
1496
1497 /*
1498  * Function to output vCard data as plain text.  Nobody uses MSG0 anymore, so
1499  * really this is just so we expose the vCard data to the full text indexer.
1500  */
1501 void vcard_fixed_output(char *ptr, int len) {
1502         char *serialized_vcard;
1503         struct vCard *v;
1504         char *key, *value;
1505         int i = 0;
1506
1507         serialized_vcard = malloc(len + 1);
1508         safestrncpy(serialized_vcard, ptr, len+1);
1509         v = vcard_load(serialized_vcard);
1510         free(serialized_vcard);
1511
1512         i = 0;
1513         while (key = vcard_get_prop(v, "", 0, i, 1), key != NULL) {
1514                 value = vcard_get_prop(v, "", 0, i++, 0);
1515                 cprintf("%s\n", value);
1516         }
1517
1518         vcard_free(v);
1519 }
1520
1521
1522 const char *CitadelServiceDICT_TCP="DICT_TCP";
1523
1524 CTDL_MODULE_INIT(vcard)
1525 {
1526         struct ctdlroom qr;
1527         char filename[256];
1528         FILE *fp;
1529
1530         CtdlRegisterSessionHook(vcard_session_login_hook, EVT_LOGIN);
1531         CtdlRegisterMessageHook(vcard_upload_beforesave, EVT_BEFORESAVE);
1532         CtdlRegisterMessageHook(vcard_upload_aftersave, EVT_AFTERSAVE);
1533         CtdlRegisterDeleteHook(vcard_delete_remove);
1534         CtdlRegisterProtoHook(cmd_regi, "REGI", "Enter registration info");
1535         CtdlRegisterProtoHook(cmd_greg, "GREG", "Get registration info");
1536         CtdlRegisterProtoHook(cmd_igab, "IGAB",
1537                                         "Initialize Global Address Book");
1538         CtdlRegisterProtoHook(cmd_qdir, "QDIR", "Query Directory");
1539         CtdlRegisterProtoHook(cmd_gvsn, "GVSN", "Get Valid Screen Names");
1540         CtdlRegisterProtoHook(cmd_gvea, "GVEA", "Get Valid Email Addresses");
1541         CtdlRegisterProtoHook(cmd_dvca, "DVCA", "Dump VCard Addresses");
1542         CtdlRegisterUserHook(vcard_newuser, EVT_NEWUSER);
1543         CtdlRegisterUserHook(vcard_purge, EVT_PURGEUSER);
1544         CtdlRegisterNetprocHook(vcard_extract_from_network);
1545         CtdlRegisterSessionHook(store_harvested_addresses, EVT_TIMER);
1546         CtdlRegisterFixedOutputHook("text/x-vcard", vcard_fixed_output);
1547         CtdlRegisterFixedOutputHook("text/vcard", vcard_fixed_output);
1548
1549         /* Create the Global ADdress Book room if necessary */
1550         create_room(ADDRESS_BOOK_ROOM, 3, "", 0, 1, 0, VIEW_ADDRESSBOOK);
1551
1552         /* Set expiration policy to manual; otherwise objects will be lost! */
1553         if (!lgetroom(&qr, ADDRESS_BOOK_ROOM)) {
1554                 qr.QRep.expire_mode = EXPIRE_MANUAL;
1555                 qr.QRdefaultview = VIEW_ADDRESSBOOK;    /* 2 = address book view */
1556                 lputroom(&qr);
1557
1558                 /*
1559                  * Also make sure it has a netconfig file, so the networker runs
1560                  * on this room even if we don't share it with any other nodes.
1561                  * This allows the CANCEL messages (i.e. "Purge this vCard") to be
1562                  * purged.
1563                  */
1564                 assoc_file_name(filename, sizeof filename, &qr, ctdl_netcfg_dir);
1565                 fp = fopen(filename, "a");
1566                 if (fp != NULL) fclose(fp);
1567                 chown(filename, CTDLUID, (-1));
1568         }
1569
1570         /* for postfix tcpdict */
1571         CtdlRegisterServiceHook(config.c_pftcpdict_port,        /* Postfix */
1572                                 NULL,
1573                                 check_get_greeting,
1574                                 check_get,
1575                                 NULL,
1576                                 CitadelServiceDICT_TCP);
1577
1578         /* return our Subversion id for the Log */
1579         return "$Id$";
1580 }