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 *k;
  91         char *addr;
  92         char citadel_address[SIZ];
  93         int instance = 0;
  94         int found_something = 0;
  95
  96         if (msg->cm_fields['A'] == NULL) return;
  97         if (msg->cm_fields['N'] == NULL) return;
  98         snprintf(citadel_address, sizeof citadel_address, "%s @ %s",
  99                 msg->cm_fields['A'], msg->cm_fields['N']);
 100
 101         v = vcard_load(msg->cm_fields['M']);
 102         if (v == NULL) return;
 103
 104         /* Go through the vCard searching for *all* instances of
 105          * the "email;internet" key
 106          */
 107         do {
 108                 s = vcard_get_prop(v, "email", 1, instance, 0);         /* get any 'email' field */
 109                 k = vcard_get_prop(v, "email", 1, instance++, 1);       /* but also learn it with attrs */
 110                 if ( (s != NULL) && (k != NULL) && (bmstrcasestr(k, "internet")) ) {
 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                    || (!strcasecmp(v->prop[i].name, "tel;type=home")) )
 254                         (void) CtdlDoDirectoryServiceFunc("homePhone", v->prop[i].value, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 255                 else
 256                 if ( (!strcasecmp(v->prop[i].name, "tel;fax"))
 257                    || (!strcasecmp(v->prop[i].name, "tel;type=fax")) )
 258                         (void) CtdlDoDirectoryServiceFunc("facsimileTelephoneNumber", v->prop[i].value, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 259                 else
 260                 if ( (!strcasecmp(v->prop[i].name, "tel;cell"))
 261                    || (!strcasecmp(v->prop[i].name, "tel;type=cell")) )
 262                         (void) CtdlDoDirectoryServiceFunc("mobile", v->prop[i].value, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 263                 else
 264                 if ( (!strcasecmp(v->prop[i].name, "tel"))
 265                    ||(!strncasecmp(v->prop[i].name, "tel;", 4)) ) {
 266                         (void) CtdlDoDirectoryServiceFunc("telephoneNumber", v->prop[i].value, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 267                 }
 268
 269
 270                 if ( (!strcasecmp(v->prop[i].name, "email"))
 271                    ||(!strcasecmp(v->prop[i].name, "email;internet")) ) {
 272                         (void) CtdlDoDirectoryServiceFunc("mail", v->prop[i].value, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 273                 }
 274
 275                 /* Calendar free/busy URL (take the first one we find, but if a subsequent
 276                  * one contains the "pref" designation then we go with that instead.)
 277                  */
 278                 if ( (!strcasecmp(v->prop[i].name, "fburl"))
 279                    ||(!strncasecmp(v->prop[i].name, "fburl;", 6)) ) {
 280                         if ( (IsEmptyStr(calFBURL))
 281                            || (!strncasecmp(v->prop[i].name, "fburl;pref", 10)) ) {
 282                                 safestrncpy(calFBURL, v->prop[i].value, sizeof calFBURL);
 283                         }
 284                 }
 285
 286         }
 287         vcard_free(v);  /* Don't need this anymore. */
 288
 289         /* "sn" (surname) based on info in vCard */
 290         (void) CtdlDoDirectoryServiceFunc("sn", sn, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 291
 292         /* "givenname" (first name) based on info in vCard */
 293         if (IsEmptyStr(givenname)) strcpy(givenname, "_");
 294         if (IsEmptyStr(sn)) strcpy(sn, "_");
 295         (void) CtdlDoDirectoryServiceFunc("givenname", givenname, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 296
 297         /* "uid" is a Kolab compatibility thing.  We just do cituser@citnode */
 298         (void) CtdlDoDirectoryServiceFunc("uid", uid, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 299
 300         /* Add a "cn" (Common Name) attribute based on the user's screen name,
 301          * but only there was no 'fn' (full name) property in the vCard
 302          */
 303         if (!have_cn)
 304                 (void) CtdlDoDirectoryServiceFunc("cn", msg->cm_fields['A'], &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 305
 306         /* Add a "calFBURL" attribute if a calendar free/busy URL exists */
 307         if (!IsEmptyStr(calFBURL)) {
 308                 (void) CtdlDoDirectoryServiceFunc("calFBURL", calFBURL, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 309         }
 310
 311         // Add this messages EUID as the primary key for this entry.
 312         (void) CtdlDoDirectoryServiceFunc("euid", msg->cm_fields['E'], &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 313
 314
 315         (void) CtdlDoDirectoryServiceFunc(ldap_dn, NULL, &objectlist, "ldap", DIRECTORY_SAVE_OBJECT);
 316
 317         (void) CtdlDoDirectoryServiceFunc(NULL, NULL, &objectlist, "ldap", DIRECTORY_FREE_OBJECT);
 318         CtdlLogPrintf(CTDL_DEBUG, "Directory Services write operation complete.\n");
 319 }
 320
 321
 322
 323 /*
 324  * Callback for vcard_add_to_directory()
 325  * (Lotsa ugly nested callbacks.  Oh well.)
 326  */
 327 void vcard_directory_add_user(char *internet_addr, char *citadel_addr) {
 328         char buf[SIZ];
 329
 330         /* We have to validate that we're not stepping on someone else's
 331          * email address ... but only if we're logged in.  Otherwise it's
 332          * probably just the networker or something.
 333          */
 334         if (CC->logged_in) {
 335                 CtdlLogPrintf(CTDL_DEBUG, "Checking for <%s>...\n", internet_addr);
 336                 if (CtdlDirectoryLookup(buf, internet_addr, sizeof buf) == 0) {
 337                         if (strcasecmp(buf, citadel_addr)) {
 338                                 /* This address belongs to someone else.
 339                                  * Bail out silently without saving.
 340                                  */
 341                                 CtdlLogPrintf(CTDL_DEBUG, "DOOP!\n");
 342                                 return;
 343                         }
 344                 }
 345         }
 346         CtdlLogPrintf(CTDL_INFO, "Adding %s (%s) to directory\n",
 347                         citadel_addr, internet_addr);
 348         CtdlDirectoryAddUser(internet_addr, citadel_addr);
 349 }
 350
 351
 352 /*
 353  * Back end function for cmd_igab()
 354  */
 355 void vcard_add_to_directory(long msgnum, void *data) {
 356         struct CtdlMessage *msg;
 357
 358         msg = CtdlFetchMessage(msgnum, 1);
 359         if (msg != NULL) {
 360                 vcard_extract_internet_addresses(msg, vcard_directory_add_user);
 361         }
 362
 363         ctdl_vcard_to_directory(msg, V2L_WRITE);
 364
 365         CtdlFreeMessage(msg);
 366 }
 367
 368
 369 /*
 370  * Initialize Global Adress Book
 371  */
 372 void cmd_igab(char *argbuf) {
 373         char hold_rm[ROOMNAMELEN];
 374
 375         if (CtdlAccessCheck(ac_aide)) return;
 376
 377         strcpy(hold_rm, CC->room.QRname);       /* save current room */
 378
 379         if (getroom(&CC->room, ADDRESS_BOOK_ROOM) != 0) {
 380                 getroom(&CC->room, hold_rm);
 381                 cprintf("%d cannot get address book room\n", ERROR + ROOM_NOT_FOUND);
 382                 return;
 383         }
 384
 385         /* Empty the existing database first.
 386          */
 387         CtdlDirectoryInit();
 388
 389         /* We want *all* vCards in this room */
 390         CtdlForEachMessage(MSGS_ALL, 0, NULL, "^[Tt][Ee][Xx][Tt]/.*[Vv][Cc][Aa][Rr][Dd]$",
 391                 NULL, vcard_add_to_directory, NULL);
 392
 393         getroom(&CC->room, hold_rm);    /* return to saved room */
 394         cprintf("%d Directory has been rebuilt.\n", CIT_OK);
 395 }
 396
 397
 398
 399
 400 /*
 401  * See if there is a valid Internet address in a vCard to use for outbound
 402  * Internet messages.  If there is, stick it in the buffer.
 403  */
 404 void extract_inet_email_addrs(char *emailaddrbuf, size_t emailaddrbuf_len,
 405                                 char *secemailaddrbuf, size_t secemailaddrbuf_len,
 406                                 struct vCard *v, int local_addrs_only) {
 407         char *s, *k, *addr;
 408         int instance = 0;
 409         int saved_instance = 0;
 410
 411         /* Go through the vCard searching for *all* Internet email addresses
 412          */
 413         while (s = vcard_get_prop(v, "email", 1, instance, 0),  s != NULL) {
 414                 k = vcard_get_prop(v, "email", 1, instance, 1);
 415                 if ( (s != NULL) && (k != NULL) && (bmstrcasestr(k, "internet")) ) {
 416                         addr = strdup(s);
 417                         striplt(addr);
 418                         if (!IsEmptyStr(addr)) {
 419                                 if ( (IsDirectory(addr, 1)) ||
 420                                 (!local_addrs_only) ) {
 421                                         ++saved_instance;
 422                                         if ((saved_instance == 1) && (emailaddrbuf != NULL)) {
 423                                                 safestrncpy(emailaddrbuf, addr, emailaddrbuf_len);
 424                                         }
 425                                         else if ((saved_instance == 2) && (secemailaddrbuf != NULL)) {
 426                                                 safestrncpy(secemailaddrbuf, addr, secemailaddrbuf_len);
 427                                         }
 428                                         else if ((saved_instance > 2) && (secemailaddrbuf != NULL)) {
 429                                                 if ( (strlen(addr) + strlen(secemailaddrbuf) + 2)
 430                                                 < secemailaddrbuf_len ) {
 431                                                         strcat(secemailaddrbuf, "|");
 432                                                         strcat(secemailaddrbuf, addr);
 433                                                 }
 434                                         }
 435                                 }
 436                         }
 437                         free(addr);
 438                 }
 439                 ++instance;
 440         }
 441 }
 442
 443
 444
 445 /*
 446  * See if there is a name / screen name / friendly name  in a vCard to use for outbound
 447  * Internet messages.  If there is, stick it in the buffer.
 448  */
 449 void extract_friendly_name(char *namebuf, size_t namebuf_len, struct vCard *v)
 450 {
 451         char *s;
 452
 453         s = vcard_get_prop(v, "fn", 1, 0, 0);
 454         if (s == NULL) {
 455                 s = vcard_get_prop(v, "n", 1, 0, 0);
 456         }
 457
 458         if (s != NULL) {
 459                 safestrncpy(namebuf, s, namebuf_len);
 460         }
 461 }
 462
 463
 464 /*
 465  * Callback function for vcard_upload_beforesave() hunts for the real vcard in the MIME structure
 466  */
 467 void vcard_extract_vcard(char *name, char *filename, char *partnum, char *disp,
 468                    void *content, char *cbtype, char *cbcharset, size_t length,
 469                    char *encoding, char *cbid, void *cbuserdata)
 470 {
 471         struct vCard **v = (struct vCard **) cbuserdata;
 472
 473         if (  (!strcasecmp(cbtype, "text/x-vcard"))
 474            || (!strcasecmp(cbtype, "text/vcard")) ) {
 475
 476                 CtdlLogPrintf(CTDL_DEBUG, "Part %s contains a vCard!  Loading...\n", partnum);
 477                 if (*v != NULL) {
 478                         vcard_free(*v);
 479                 }
 480                 *v = vcard_load(content);
 481         }
 482 }
 483
 484
 485 /*
 486  * This handler detects whether the user is attempting to save a new
 487  * vCard as part of his/her personal configuration, and handles the replace
 488  * function accordingly (delete the user's existing vCard in the config room
 489  * and in the global address book).
 490  */
 491 int vcard_upload_beforesave(struct CtdlMessage *msg) {
 492         char *ptr;
 493         char *s;
 494         char buf[SIZ];
 495         struct ctdluser usbuf;
 496         long what_user;
 497         struct vCard *v = NULL;
 498         char *ser = NULL;
 499         int i = 0;
 500         int yes_my_citadel_config = 0;
 501         int yes_any_vcard_room = 0;
 502
 503         if (!CC->logged_in) return(0);  /* Only do this if logged in. */
 504
 505         /* Is this some user's "My Citadel Config" room? */
 506         if ( (CC->room.QRflags && QR_MAILBOX)
 507            && (!strcasecmp(&CC->room.QRname[11], USERCONFIGROOM)) ) {
 508                 /* Yes, we want to do this */
 509                 yes_my_citadel_config = 1;
 510
 511 #ifdef VCARD_SAVES_BY_AIDES_ONLY
 512                 /* Prevent non-aides from performing registration changes */
 513                 if (CC->user.axlevel < 6) {
 514                         return(1);
 515                 }
 516 #endif
 517
 518         }
 519
 520         /* Is this a room with an address book in it? */
 521         if (CC->room.QRdefaultview == VIEW_ADDRESSBOOK) {
 522                 yes_any_vcard_room = 1;
 523         }
 524
 525         /* If neither condition exists, don't run this hook. */
 526         if ( (!yes_my_citadel_config) && (!yes_any_vcard_room) ) {
 527                 return(0);
 528         }
 529
 530         /* If this isn't a MIME message, don't bother. */
 531         if (msg->cm_format_type != 4) return(0);
 532
 533         /* Ok, if we got this far, look into the situation further... */
 534
 535         ptr = msg->cm_fields['M'];
 536         if (ptr == NULL) return(0);
 537
 538         mime_parser(msg->cm_fields['M'],
 539                 NULL,
 540                 *vcard_extract_vcard,
 541                 NULL, NULL,
 542                 &v,             /* user data ptr - put the vcard here */
 543                 0
 544         );
 545
 546         if (v == NULL) return(0);       /* no vCards were found in this message */
 547
 548         /* If users cannot create their own accounts, they cannot re-register either. */
 549         if ( (yes_my_citadel_config) && (config.c_disable_newu) && (CC->user.axlevel < 6) ) {
 550                 return(1);
 551         }
 552
 553         s = vcard_get_prop(v, "fn", 1, 0, 0);
 554         if (s) CtdlLogPrintf(CTDL_DEBUG, "vCard beforesave hook running for <%s>\n", s);
 555
 556         if (yes_my_citadel_config) {
 557                 /* Bingo!  The user is uploading a new vCard, so
 558                  * delete the old one.  First, figure out which user
 559                  * is being re-registered...
 560                  */
 561                 what_user = atol(CC->room.QRname);
 562
 563                 if (what_user == CC->user.usernum) {
 564                         /* It's the logged in user.  That was easy. */
 565                         memcpy(&usbuf, &CC->user, sizeof(struct ctdluser));
 566                 }
 567
 568                 else if (getuserbynumber(&usbuf, what_user) == 0) {
 569                         /* We fetched a valid user record */
 570                 }
 571
 572                 else {
 573                         /* somebody set up us the bomb! */
 574                         yes_my_citadel_config = 0;
 575                 }
 576         }
 577
 578         if (yes_my_citadel_config) {
 579                 /* Delete the user's old vCard.  This would probably
 580                  * get taken care of by the replication check, but we
 581                  * want to make sure there is absolutely only one
 582                  * vCard in the user's config room at all times.
 583                  *
 584                  */
 585                 CtdlDeleteMessages(CC->room.QRname, NULL, 0, "^[Tt][Ee][Xx][Tt]/.*[Vv][Cc][Aa][Rr][Dd]$");
 586
 587                 /* Make the author of the message the name of the user. */
 588                 if (msg->cm_fields['A'] != NULL) {
 589                         free(msg->cm_fields['A']);
 590                 }
 591                 msg->cm_fields['A'] = strdup(usbuf.fullname);
 592         }
 593
 594         /* Insert or replace RFC2739-compliant free/busy URL */
 595         if (yes_my_citadel_config) {
 596                 sprintf(buf, "http://%s/%s.vfb",
 597                         config.c_fqdn,
 598                         usbuf.fullname);
 599                 for (i=0; buf[i]; ++i) {
 600                         if (buf[i] == ' ') buf[i] = '_';
 601                 }
 602                 vcard_set_prop(v, "FBURL;PREF", buf, 0);
 603         }
 604
 605         /* If the vCard has no UID, then give it one. */
 606         s = vcard_get_prop(v, "UID", 1, 0, 0);
 607         if (s == NULL) {
 608                 generate_uuid(buf);
 609                 vcard_set_prop(v, "UID", buf, 0);
 610         }
 611
 612         /* Enforce local UID policy if applicable */
 613         if (yes_my_citadel_config) {
 614                 snprintf(buf, sizeof buf, VCARD_EXT_FORMAT, msg->cm_fields['A'], NODENAME);
 615                 vcard_set_prop(v, "UID", buf, 0);
 616         }
 617
 618         /*
 619          * Set the EUID of the message to the UID of the vCard.
 620          */
 621         if (msg->cm_fields['E'] != NULL)
 622         {
 623                 free(msg->cm_fields['E']);
 624                 msg->cm_fields['E'] = NULL;
 625         }
 626         s = vcard_get_prop(v, "UID", 1, 0, 0);
 627         if (s != NULL) {
 628                 msg->cm_fields['E'] = strdup(s);
 629                 if (msg->cm_fields['U'] == NULL) {
 630                         msg->cm_fields['U'] = strdup(s);
 631                 }
 632         }
 633
 634         /*
 635          * Set the Subject to the name in the vCard.
 636          */
 637         s = vcard_get_prop(v, "FN", 1, 0, 0);
 638         if (s == NULL) {
 639                 s = vcard_get_prop(v, "N", 1, 0, 0);
 640         }
 641         if (s != NULL) {
 642                 if (msg->cm_fields['U'] != NULL) {
 643                         free(msg->cm_fields['U']);
 644                 }
 645                 msg->cm_fields['U'] = strdup(s);
 646         }
 647
 648         /* Re-serialize it back into the msg body */
 649         ser = vcard_serialize(v);
 650         if (ser != NULL) {
 651                 msg->cm_fields['M'] = realloc(msg->cm_fields['M'], strlen(ser) + 1024);
 652                 sprintf(msg->cm_fields['M'],
 653                         "Content-type: " VCARD_MIME_TYPE
 654                         "\r\n\r\n%s\r\n", ser);
 655                 free(ser);
 656         }
 657
 658         /* Now allow the save to complete. */
 659         vcard_free(v);
 660         return(0);
 661 }
 662
 663
 664
 665 /*
 666  * This handler detects whether the user is attempting to save a new
 667  * vCard as part of his/her personal configuration, and handles the replace
 668  * function accordingly (copy the vCard from the config room to the global
 669  * address book).
 670  */
 671 int vcard_upload_aftersave(struct CtdlMessage *msg) {
 672         char *ptr;
 673         int linelen;
 674         long I;
 675         struct vCard *v;
 676         int is_UserConf=0;
 677         int is_MY_UserConf=0;
 678         int is_GAB=0;
 679         char roomname[ROOMNAMELEN];
 680
 681         if (msg->cm_format_type != 4) return(0);
 682         if (!CC->logged_in) return(0);  /* Only do this if logged in. */
 683
 684         /* We're interested in user config rooms only. */
 685
 686         if ( (strlen(CC->room.QRname) >= 12) && (!strcasecmp(&CC->room.QRname[11], USERCONFIGROOM)) ) {
 687                 is_UserConf = 1;        /* It's someone's config room */
 688         }
 689         MailboxName(roomname, sizeof roomname, &CC->user, USERCONFIGROOM);
 690         if (!strcasecmp(CC->room.QRname, roomname)) {
 691                 is_UserConf = 1;
 692                 is_MY_UserConf = 1;     /* It's MY config room */
 693         }
 694         if (!strcasecmp(CC->room.QRname, ADDRESS_BOOK_ROOM)) {
 695                 is_GAB = 1;             /* It's the Global Address Book */
 696         }
 697
 698         if (!is_UserConf && !is_GAB) return(0);
 699
 700         ptr = msg->cm_fields['M'];
 701         if (ptr == NULL) return(0);
 702         while (ptr != NULL) {
 703
 704                 linelen = strcspn(ptr, "\n");
 705                 if (linelen == 0) return(0);    /* end of headers */
 706
 707                 if (  (!strncasecmp(ptr, "Content-type: text/x-vcard", 26))
 708                    || (!strncasecmp(ptr, "Content-type: text/vcard", 24)) ) {
 709                         /*
 710                          * Bingo!  The user is uploading a new vCard, so
 711                          * copy it to the Global Address Book room.
 712                          */
 713
 714                         I = atol(msg->cm_fields['I']);
 715                         if (I < 0L) return(0);
 716
 717                         /* Store our Internet return address in memory */
 718                         if (is_MY_UserConf) {
 719                                 v = vcard_load(msg->cm_fields['M']);
 720                                 extract_inet_email_addrs(CC->cs_inet_email, sizeof CC->cs_inet_email,
 721                                                 CC->cs_inet_other_emails, sizeof CC->cs_inet_other_emails,
 722                                                 v, 1);
 723                                 extract_friendly_name(CC->cs_inet_fn, sizeof CC->cs_inet_fn, v);
 724                                 vcard_free(v);
 725                         }
 726
 727                         if (!is_GAB)
 728                         {       // This is not the GAB
 729                                 /* Put it in the Global Address Book room... */
 730                                 CtdlSaveMsgPointerInRoom(ADDRESS_BOOK_ROOM, I, 1, msg);
 731                         }
 732
 733                         /* ...and also in the directory database. */
 734                         vcard_add_to_directory(I, NULL);
 735
 736                         /* Some sites want an Aide to be notified when a
 737                          * user registers or re-registers
 738                          * But if the user was an Aide or was edited by an Aide then we can
 739                          * Assume they don't need validating.
 740                          */
 741                         if (CC->user.axlevel >= 6) {
 742                                 lgetuser(&CC->user, CC->curr_user);
 743                                 CC->user.flags |= US_REGIS;
 744                                 lputuser(&CC->user);
 745                                 return (0);
 746                         }
 747
 748                         set_mm_valid();
 749
 750                         /* ...which also means we need to flag the user */
 751                         lgetuser(&CC->user, CC->curr_user);
 752                         CC->user.flags |= (US_REGIS|US_NEEDVALID);
 753                         lputuser(&CC->user);
 754
 755                         return(0);
 756                 }
 757
 758                 ptr = strchr((char *)ptr, '\n');
 759                 if (ptr != NULL) ++ptr;
 760         }
 761
 762         return(0);
 763 }
 764
 765
 766
 767 /*
 768  * back end function used for callbacks
 769  */
 770 void vcard_gu_backend(long supplied_msgnum, void *userdata) {
 771         long *msgnum;
 772
 773         msgnum = (long *) userdata;
 774         *msgnum = supplied_msgnum;
 775 }
 776
 777
 778 /*
 779  * If this user has a vcard on disk, read it into memory, otherwise allocate
 780  * and return an empty vCard.
 781  */
 782 struct vCard *vcard_get_user(struct ctdluser *u) {
 783         char hold_rm[ROOMNAMELEN];
 784         char config_rm[ROOMNAMELEN];
 785         struct CtdlMessage *msg = NULL;
 786         struct vCard *v;
 787         long VCmsgnum;
 788
 789         strcpy(hold_rm, CC->room.QRname);       /* save current room */
 790         MailboxName(config_rm, sizeof config_rm, u, USERCONFIGROOM);
 791
 792         if (getroom(&CC->room, config_rm) != 0) {
 793                 getroom(&CC->room, hold_rm);
 794                 return vcard_new();
 795         }
 796
 797         /* We want the last (and probably only) vcard in this room */
 798         VCmsgnum = (-1);
 799         CtdlForEachMessage(MSGS_LAST, 1, NULL, "^[Tt][Ee][Xx][Tt]/.*[Vv][Cc][Aa][Rr][Dd]$",
 800                 NULL, vcard_gu_backend, (void *)&VCmsgnum );
 801         getroom(&CC->room, hold_rm);    /* return to saved room */
 802
 803         if (VCmsgnum < 0L) return vcard_new();
 804
 805         msg = CtdlFetchMessage(VCmsgnum, 1);
 806         if (msg == NULL) return vcard_new();
 807
 808         v = vcard_load(msg->cm_fields['M']);
 809         CtdlFreeMessage(msg);
 810         return v;
 811 }
 812
 813
 814 /*
 815  * Store this user's vCard in the appropriate place
 816  */
 817 /*
 818  * Write our config to disk
 819  */
 820 void vcard_write_user(struct ctdluser *u, struct vCard *v) {
 821         char *ser;
 822
 823         ser = vcard_serialize(v);
 824         if (ser == NULL) {
 825                 ser = strdup("begin:vcard\r\nend:vcard\r\n");
 826         }
 827         if (!ser) return;
 828
 829         /* This handy API function does all the work for us.
 830          * NOTE: normally we would want to set that last argument to 1, to
 831          * force the system to delete the user's old vCard.  But it doesn't
 832          * have to, because the vcard_upload_beforesave() hook above
 833          * is going to notice what we're trying to do, and delete the old vCard.
 834          */
 835         CtdlWriteObject(USERCONFIGROOM,         /* which room */
 836                         VCARD_MIME_TYPE,        /* MIME type */
 837                         ser,                    /* data */
 838                         strlen(ser)+1,          /* length */
 839                         u,                      /* which user */
 840                         0,                      /* not binary */
 841                         0,                      /* don't delete others of this type */
 842                         0);                     /* no flags */
 843
 844         free(ser);
 845 }
 846
 847
 848
 849 /*
 850  * Old style "enter registration info" command.  This function simply honors
 851  * the REGI protocol command, translates the entered parameters into a vCard,
 852  * and enters the vCard into the user's configuration.
 853  */
 854 void cmd_regi(char *argbuf) {
 855         int a,b,c;
 856         char buf[SIZ];
 857         struct vCard *my_vcard;
 858
 859         char tmpaddr[SIZ];
 860         char tmpcity[SIZ];
 861         char tmpstate[SIZ];
 862         char tmpzip[SIZ];
 863         char tmpaddress[SIZ];
 864         char tmpcountry[SIZ];
 865
 866         unbuffer_output();
 867
 868         if (!(CC->logged_in)) {
 869                 cprintf("%d Not logged in.\n",ERROR + NOT_LOGGED_IN);
 870                 return;
 871         }
 872
 873         /* If users cannot create their own accounts, they cannot re-register either. */
 874         if ( (config.c_disable_newu) && (CC->user.axlevel < 6) ) {
 875                 cprintf("%d Self-service registration is not allowed here.\n",
 876                         ERROR + HIGHER_ACCESS_REQUIRED);
 877         }
 878
 879         my_vcard = vcard_get_user(&CC->user);
 880         strcpy(tmpaddr, "");
 881         strcpy(tmpcity, "");
 882         strcpy(tmpstate, "");
 883         strcpy(tmpzip, "");
 884         strcpy(tmpcountry, "USA");
 885
 886         cprintf("%d Send registration...\n", SEND_LISTING);
 887         a=0;
 888         while (client_getln(buf, sizeof buf), strcmp(buf,"000")) {
 889                 if (a==0) vcard_set_prop(my_vcard, "n", buf, 0);
 890                 if (a==1) strcpy(tmpaddr, buf);
 891                 if (a==2) strcpy(tmpcity, buf);
 892                 if (a==3) strcpy(tmpstate, buf);
 893                 if (a==4) {
 894                         for (c=0; buf[c]; ++c) {
 895                                 if ((buf[c]>='0') && (buf[c]<='9')) {
 896                                         b = strlen(tmpzip);
 897                                         tmpzip[b] = buf[c];
 898                                         tmpzip[b+1] = 0;
 899                                 }
 900                         }
 901                 }
 902                 if (a==5) vcard_set_prop(my_vcard, "tel", buf, 0);
 903                 if (a==6) vcard_set_prop(my_vcard, "email;internet", buf, 0);
 904                 if (a==7) strcpy(tmpcountry, buf);
 905                 ++a;
 906         }
 907
 908         snprintf(tmpaddress, sizeof tmpaddress, ";;%s;%s;%s;%s;%s",
 909                 tmpaddr, tmpcity, tmpstate, tmpzip, tmpcountry);
 910         vcard_set_prop(my_vcard, "adr", tmpaddress, 0);
 911         vcard_write_user(&CC->user, my_vcard);
 912         vcard_free(my_vcard);
 913 }
 914
 915
 916 /*
 917  * Protocol command to fetch registration info for a user
 918  */
 919 void cmd_greg(char *argbuf)
 920 {
 921         struct ctdluser usbuf;
 922         struct vCard *v;
 923         char *s;
 924         char who[USERNAME_SIZE];
 925         char adr[256];
 926         char buf[256];
 927
 928         extract_token(who, argbuf, 0, '|', sizeof who);
 929
 930         if (!(CC->logged_in)) {
 931                 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
 932                 return;
 933         }
 934
 935         if (!strcasecmp(who,"_SELF_")) strcpy(who,CC->curr_user);
 936
 937         if ((CC->user.axlevel < 6) && (strcasecmp(who,CC->curr_user))) {
 938                 cprintf("%d Higher access required.\n",
 939                         ERROR + HIGHER_ACCESS_REQUIRED);
 940                 return;
 941         }
 942
 943         if (getuser(&usbuf, who) != 0) {
 944                 cprintf("%d '%s' not found.\n", ERROR + NO_SUCH_USER, who);
 945                 return;
 946         }
 947
 948         v = vcard_get_user(&usbuf);
 949
 950         cprintf("%d %s\n", LISTING_FOLLOWS, usbuf.fullname);
 951         cprintf("%ld\n", usbuf.usernum);
 952         cprintf("%s\n", usbuf.password);
 953         s = vcard_get_prop(v, "n", 1, 0, 0);
 954         cprintf("%s\n", s ? s : " ");   /* name */
 955
 956         s = vcard_get_prop(v, "adr", 1, 0, 0);
 957         snprintf(adr, sizeof adr, "%s", s ? s : " ");/* address... */
 958
 959         extract_token(buf, adr, 2, ';', sizeof buf);
 960         cprintf("%s\n", buf);                           /* street */
 961         extract_token(buf, adr, 3, ';', sizeof buf);
 962         cprintf("%s\n", buf);                           /* city */
 963         extract_token(buf, adr, 4, ';', sizeof buf);
 964         cprintf("%s\n", buf);                           /* state */
 965         extract_token(buf, adr, 5, ';', sizeof buf);
 966         cprintf("%s\n", buf);                           /* zip */
 967
 968         s = vcard_get_prop(v, "tel", 1, 0, 0);
 969         if (s == NULL) s = vcard_get_prop(v, "tel", 1, 0, 0);
 970         if (s != NULL) {
 971                 cprintf("%s\n", s);
 972         }
 973         else {
 974                 cprintf(" \n");
 975         }
 976
 977         cprintf("%d\n", usbuf.axlevel);
 978
 979         s = vcard_get_prop(v, "email;internet", 0, 0, 0);
 980         cprintf("%s\n", s ? s : " ");
 981         s = vcard_get_prop(v, "adr", 0, 0, 0);
 982         snprintf(adr, sizeof adr, "%s", s ? s : " ");/* address... */
 983
 984         extract_token(buf, adr, 6, ';', sizeof buf);
 985         cprintf("%s\n", buf);                           /* country */
 986         cprintf("000\n");
 987         vcard_free(v);
 988 }
 989
 990
 991
 992 /*
 993  * When a user is being created, create his/her vCard.
 994  */
 995 void vcard_newuser(struct ctdluser *usbuf) {
 996         char vname[256];
 997         char buf[256];
 998         int i;
 999         struct vCard *v;
1000
1001         vcard_fn_to_n(vname, usbuf->fullname, sizeof vname);
1002         CtdlLogPrintf(CTDL_DEBUG, "Converted <%s> to <%s>\n", usbuf->fullname, vname);
1003
1004         /* Create and save the vCard */
1005         v = vcard_new();
1006         if (v == NULL) return;
1007         vcard_add_prop(v, "fn", usbuf->fullname);
1008         vcard_add_prop(v, "n", vname);
1009         vcard_add_prop(v, "adr", "adr:;;_;_;_;00000;__");
1010
1011 #ifdef HAVE_GETPWUID_R
1012         /* If using host auth mode, we add an email address based on the login */
1013         if (config.c_auth_mode == AUTHMODE_HOST) {
1014                 struct passwd pwd;
1015                 char pwd_buffer[SIZ];
1016
1017 #ifdef SOLARIS_GETPWUID
1018                 if (getpwuid_r(usbuf->uid, &pwd, pwd_buffer, sizeof pwd_buffer) != NULL) {
1019 #else // SOLARIS_GETPWUID
1020                 struct passwd *result = NULL;
1021                 CtdlLogPrintf(CTDL_DEBUG, "Searching for uid %d\n", usbuf->uid);
1022                 if (getpwuid_r(usbuf->uid, &pwd, pwd_buffer, sizeof pwd_buffer, &result) == 0) {
1023 #endif // HAVE_GETPWUID_R
1024                         snprintf(buf, sizeof buf, "%s@%s", pwd.pw_name, config.c_fqdn);
1025                         vcard_add_prop(v, "email;internet", buf);
1026                 }
1027         }
1028 #endif
1029
1030         /* Everyone gets an email address based on their display name */
1031         snprintf(buf, sizeof buf, "%s@%s", usbuf->fullname, config.c_fqdn);
1032         for (i=0; buf[i]; ++i) {
1033                 if (buf[i] == ' ') buf[i] = '_';
1034         }
1035         vcard_add_prop(v, "email;internet", buf);
1036
1037
1038         vcard_write_user(usbuf, v);
1039         vcard_free(v);
1040 }
1041
1042
1043 /*
1044  * When a user is being deleted, we have to remove his/her vCard.
1045  * This is accomplished by issuing a message with 'CANCEL' in the S (special)
1046  * field, and the same Exclusive ID as the existing card.
1047  */
1048 void vcard_purge(struct ctdluser *usbuf) {
1049         struct CtdlMessage *msg;
1050         char buf[SIZ];
1051
1052         msg = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1053         if (msg == NULL) return;
1054         memset(msg, 0, sizeof(struct CtdlMessage));
1055
1056         msg->cm_magic = CTDLMESSAGE_MAGIC;
1057         msg->cm_anon_type = MES_NORMAL;
1058         msg->cm_format_type = 0;
1059         msg->cm_fields['A'] = strdup(usbuf->fullname);
1060         msg->cm_fields['O'] = strdup(ADDRESS_BOOK_ROOM);
1061         msg->cm_fields['N'] = strdup(NODENAME);
1062         msg->cm_fields['M'] = strdup("Purge this vCard\n");
1063
1064         snprintf(buf, sizeof buf, VCARD_EXT_FORMAT,
1065                         msg->cm_fields['A'], NODENAME);
1066         msg->cm_fields['E'] = strdup(buf);
1067
1068         msg->cm_fields['S'] = strdup("CANCEL");
1069
1070         CtdlSubmitMsg(msg, NULL, ADDRESS_BOOK_ROOM, QP_EADDR);
1071         CtdlFreeMessage(msg);
1072 }
1073
1074
1075 /*
1076  * Grab vCard directory stuff out of incoming network messages
1077  */
1078 int vcard_extract_from_network(struct CtdlMessage *msg, char *target_room) {
1079         char *ptr;
1080         int linelen;
1081
1082         if (msg == NULL) return(0);
1083
1084         if (strcasecmp(target_room, ADDRESS_BOOK_ROOM)) {
1085                 return(0);
1086         }
1087
1088         if (msg->cm_format_type != 4) return(0);
1089
1090         ptr = msg->cm_fields['M'];
1091         if (ptr == NULL) return(0);
1092         while (ptr != NULL) {
1093
1094                 linelen = strcspn(ptr, "\n");
1095                 if (linelen == 0) return(0);    /* end of headers */
1096
1097                 if (  (!strncasecmp(ptr, "Content-type: text/x-vcard", 26))
1098                    || (!strncasecmp(ptr, "Content-type: text/vcard", 24)) ) {
1099                         /* It's a vCard.  Add it to the directory. */
1100                         vcard_extract_internet_addresses(msg, CtdlDirectoryAddUser);
1101                         return(0);
1102                 }
1103
1104                 ptr = strchr((char *)ptr, '\n');
1105                 if (ptr != NULL) ++ptr;
1106         }
1107
1108         return(0);
1109 }
1110
1111
1112
1113 /*
1114  * When a vCard is being removed from the Global Address Book room, remove it
1115  * from the directory as well.
1116  */
1117 void vcard_delete_remove(char *room, long msgnum) {
1118         struct CtdlMessage *msg;
1119         char *ptr;
1120         int linelen;
1121
1122         if (msgnum <= 0L) return;
1123
1124         if (room == NULL) return;
1125
1126         if (strcasecmp(room, ADDRESS_BOOK_ROOM)) {
1127                 return;
1128         }
1129
1130         msg = CtdlFetchMessage(msgnum, 1);
1131         if (msg == NULL) return;
1132
1133         ptr = msg->cm_fields['M'];
1134         if (ptr == NULL) goto EOH;
1135         while (ptr != NULL) {
1136                 linelen = strcspn(ptr, "\n");
1137                 if (linelen == 0) goto EOH;
1138
1139                 if (  (!strncasecmp(ptr, "Content-type: text/x-vcard", 26))
1140                    || (!strncasecmp(ptr, "Content-type: text/vcard", 24)) ) {
1141                         /* Bingo!  A vCard is being deleted. */
1142                         vcard_extract_internet_addresses(msg, CtdlDirectoryDelUser);
1143                         ctdl_vcard_to_directory(msg, V2L_DELETE);
1144                 }
1145                 ptr = strchr((char *)ptr, '\n');
1146                 if (ptr != NULL) ++ptr;
1147         }
1148
1149 EOH:    CtdlFreeMessage(msg);
1150 }
1151
1152
1153
1154 /*
1155  * Get Valid Screen Names
1156  */
1157 void cmd_gvsn(char *argbuf)
1158 {
1159         if (CtdlAccessCheck(ac_logged_in)) return;
1160
1161         cprintf("%d valid screen names:\n", LISTING_FOLLOWS);
1162         cprintf("%s\n", CC->user.fullname);
1163         if ( (!IsEmptyStr(CC->cs_inet_fn)) && (strcasecmp(CC->user.fullname, CC->cs_inet_fn)) ) {
1164                 cprintf("%s\n", CC->cs_inet_fn);
1165         }
1166         cprintf("000\n");
1167 }
1168
1169
1170 /*
1171  * Get Valid Email Addresses
1172  */
1173 void cmd_gvea(char *argbuf)
1174 {
1175         int num_secondary_emails = 0;
1176         int i;
1177         char buf[256];
1178
1179         if (CtdlAccessCheck(ac_logged_in)) return;
1180
1181         cprintf("%d valid email addresses:\n", LISTING_FOLLOWS);
1182         if (!IsEmptyStr(CC->cs_inet_email)) {
1183                 cprintf("%s\n", CC->cs_inet_email);
1184         }
1185         if (!IsEmptyStr(CC->cs_inet_other_emails)) {
1186                 num_secondary_emails = num_tokens(CC->cs_inet_other_emails, '|');
1187                 for (i=0; i<num_secondary_emails; ++i) {
1188                         extract_token(buf, CC->cs_inet_other_emails,i,'|',sizeof CC->cs_inet_other_emails);
1189                         cprintf("%s\n", buf);
1190                 }
1191         }
1192         cprintf("000\n");
1193 }
1194
1195
1196
1197
1198 /*
1199  * Callback function for cmd_dvca() that hunts for vCard content types
1200  * and outputs any email addresses found within.
1201  */
1202 void dvca_mime_callback(char *name, char *filename, char *partnum, char *disp,
1203                 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1204                 char *cbid, void *cbuserdata) {
1205
1206         struct vCard *v;
1207         char displayname[256];
1208         int displayname_len;
1209         char emailaddr[256];
1210         int i;
1211         int has_commas = 0;
1212
1213         if ( (strcasecmp(cbtype, "text/vcard")) && (strcasecmp(cbtype, "text/x-vcard")) ) {
1214                 return;
1215         }
1216
1217         v = vcard_load(content);
1218         if (v == NULL) return;
1219
1220         extract_friendly_name(displayname, sizeof displayname, v);
1221         extract_inet_email_addrs(emailaddr, sizeof emailaddr, NULL, 0, v, 0);
1222
1223         displayname_len = strlen(displayname);
1224         for (i=0; i<displayname_len; ++i) {
1225                 if (displayname[i] == '\"') displayname[i] = ' ';
1226                 if (displayname[i] == ';') displayname[i] = ',';
1227                 if (displayname[i] == ',') has_commas = 1;
1228         }
1229         striplt(displayname);
1230
1231         cprintf("%s%s%s <%s>\n",
1232                 (has_commas ? "\"" : ""),
1233                 displayname,
1234                 (has_commas ? "\"" : ""),
1235                 emailaddr
1236         );
1237
1238         vcard_free(v);
1239 }
1240
1241
1242 /*
1243  * Back end callback function for cmd_dvca()
1244  *
1245  * It's basically just passed a list of message numbers, which we're going
1246  * to fetch off the disk and then pass along to the MIME parser via another
1247  * layer of callback...
1248  */
1249 void dvca_callback(long msgnum, void *userdata) {
1250         struct CtdlMessage *msg = NULL;
1251
1252         msg = CtdlFetchMessage(msgnum, 1);
1253         if (msg == NULL) return;
1254         mime_parser(msg->cm_fields['M'],
1255                 NULL,
1256                 *dvca_mime_callback,    /* callback function */
1257                 NULL, NULL,
1258                 NULL,                   /* user data */
1259                 0
1260         );
1261         CtdlFreeMessage(msg);
1262 }
1263
1264
1265 /*
1266  * Dump VCard Addresses
1267  */
1268 void cmd_dvca(char *argbuf)
1269 {
1270         if (CtdlAccessCheck(ac_logged_in)) return;
1271
1272         cprintf("%d addresses:\n", LISTING_FOLLOWS);
1273         CtdlForEachMessage(MSGS_ALL, 0, NULL, NULL, NULL, dvca_callback, NULL);
1274         cprintf("000\n");
1275 }
1276
1277
1278 /*
1279  * Query Directory
1280  */
1281 void cmd_qdir(char *argbuf) {
1282         char citadel_addr[256];
1283         char internet_addr[256];
1284
1285         if (CtdlAccessCheck(ac_logged_in)) return;
1286
1287         extract_token(internet_addr, argbuf, 0, '|', sizeof internet_addr);
1288
1289         if (CtdlDirectoryLookup(citadel_addr, internet_addr, sizeof citadel_addr) != 0) {
1290                 cprintf("%d %s was not found.\n",
1291                         ERROR + NO_SUCH_USER, internet_addr);
1292                 return;
1293         }
1294
1295         cprintf("%d %s\n", CIT_OK, citadel_addr);
1296 }
1297
1298 /*
1299  * Query Directory, in fact an alias to match postfix tcp auth.
1300  */
1301 void check_get(void) {
1302         char internet_addr[256];
1303
1304         char cmdbuf[SIZ];
1305
1306         time(&CC->lastcmd);
1307         memset(cmdbuf, 0, sizeof cmdbuf); /* Clear it, just in case */
1308         if (client_getln(cmdbuf, sizeof cmdbuf) < 1) {
1309                 CtdlLogPrintf(CTDL_CRIT, "Client disconnected: ending session.\n");
1310                 CC->kill_me = 1;
1311                 return;
1312         }
1313         CtdlLogPrintf(CTDL_INFO, ": %s\n", cmdbuf);
1314         while (strlen(cmdbuf) < 3) strcat(cmdbuf, " ");
1315
1316         if (strcasecmp(cmdbuf, "GET "));
1317         {
1318                 struct recptypes *rcpt;
1319                 char *argbuf = &cmdbuf[4];
1320
1321                 extract_token(internet_addr, argbuf, 0, '|', sizeof internet_addr);
1322                 rcpt = validate_recipients(internet_addr, NULL, CHECK_EXISTANCE);
1323                 if ((rcpt != NULL)&&
1324                         (
1325                          (*rcpt->recp_local != '\0')||
1326                          (*rcpt->recp_room != '\0')||
1327                          (*rcpt->recp_ignet != '\0')))
1328                 {
1329
1330                         cprintf("200 OK %s\n", internet_addr);
1331                         CtdlLogPrintf(CTDL_INFO, "sending 200 OK for the room %s\n", rcpt->display_recp);
1332                 }
1333                 else
1334                 {
1335                         cprintf("500 REJECT noone here by that name.\n");
1336
1337                         CtdlLogPrintf(CTDL_INFO, "sending 500 REJECT noone here by that name: %s\n", internet_addr);
1338                 }
1339                 if (rcpt != NULL) free_recipients(rcpt);
1340         }
1341 }
1342
1343 void check_get_greeting(void) {
1344 /* dummy function, we have no greeting in this verry simple protocol. */
1345 }
1346
1347
1348 /*
1349  * We don't know if the Contacts room exists so we just create it at login
1350  */
1351 void vcard_create_room(void)
1352 {
1353         struct ctdlroom qr;
1354         struct visit vbuf;
1355
1356         /* Create the calendar room if it doesn't already exist */
1357         create_room(USERCONTACTSROOM, 4, "", 0, 1, 0, VIEW_ADDRESSBOOK);
1358
1359         /* Set expiration policy to manual; otherwise objects will be lost! */
1360         if (lgetroom(&qr, USERCONTACTSROOM)) {
1361                 CtdlLogPrintf(CTDL_ERR, "Couldn't get the user CONTACTS room!\n");
1362                 return;
1363         }
1364         qr.QRep.expire_mode = EXPIRE_MANUAL;
1365         qr.QRdefaultview = VIEW_ADDRESSBOOK;    /* 2 = address book view */
1366         lputroom(&qr);
1367
1368         /* Set the view to a calendar view */
1369         CtdlGetRelationship(&vbuf, &CC->user, &qr);
1370         vbuf.v_view = 2;        /* 2 = address book view */
1371         CtdlSetRelationship(&vbuf, &CC->user, &qr);
1372
1373         return;
1374 }
1375
1376
1377
1378
1379 /*
1380  * When a user logs in...
1381  */
1382 void vcard_session_login_hook(void) {
1383         struct vCard *v = NULL;
1384
1385         v = vcard_get_user(&CC->user);
1386         extract_inet_email_addrs(CC->cs_inet_email, sizeof CC->cs_inet_email,
1387                                 CC->cs_inet_other_emails, sizeof CC->cs_inet_other_emails,
1388                                 v, 1);
1389         extract_friendly_name(CC->cs_inet_fn, sizeof CC->cs_inet_fn, v);
1390         vcard_free(v);
1391
1392         vcard_create_room();
1393 }
1394
1395
1396 /*
1397  * Turn an arbitrary RFC822 address into a struct vCard for possible
1398  * inclusion into an address book.
1399  */
1400 struct vCard *vcard_new_from_rfc822_addr(char *addr) {
1401         struct vCard *v;
1402         char user[256], node[256], name[256], email[256], n[256], uid[256];
1403         int i;
1404
1405         v = vcard_new();
1406         if (v == NULL) return(NULL);
1407
1408         process_rfc822_addr(addr, user, node, name);
1409         vcard_set_prop(v, "fn", name, 0);
1410
1411         vcard_fn_to_n(n, name, sizeof n);
1412         vcard_set_prop(v, "n", n, 0);
1413
1414         snprintf(email, sizeof email, "%s@%s", user, node);
1415         vcard_set_prop(v, "email;internet", email, 0);
1416
1417         snprintf(uid, sizeof uid, "collected: %s %s@%s", name, user, node);
1418         for (i=0; uid[i]; ++i) {
1419                 if (isspace(uid[i])) uid[i] = '_';
1420                 uid[i] = tolower(uid[i]);
1421         }
1422         vcard_set_prop(v, "UID", uid, 0);
1423
1424         return(v);
1425 }
1426
1427
1428
1429 /*
1430  * This is called by store_harvested_addresses() to remove from the
1431  * list any addresses we already have in our address book.
1432  */
1433 void strip_addresses_already_have(long msgnum, void *userdata) {
1434         char *collected_addresses;
1435         struct CtdlMessage *msg = NULL;
1436         struct vCard *v;
1437         char *value = NULL;
1438         int i, j;
1439         char addr[256], user[256], node[256], name[256];
1440
1441         collected_addresses = (char *)userdata;
1442
1443         msg = CtdlFetchMessage(msgnum, 1);
1444         if (msg == NULL) return;
1445         v = vcard_load(msg->cm_fields['M']);
1446         CtdlFreeMessage(msg);
1447
1448         i = 0;
1449         while (value = vcard_get_prop(v, "email", 1, i++, 0), value != NULL) {
1450
1451                 for (j=0; j<num_tokens(collected_addresses, ','); ++j) {
1452                         extract_token(addr, collected_addresses, j, ',', sizeof addr);
1453
1454                         /* Remove the address if we already have it! */
1455                         process_rfc822_addr(addr, user, node, name);
1456                         snprintf(addr, sizeof addr, "%s@%s", user, node);
1457                         if (!strcasecmp(value, addr)) {
1458                                 remove_token(collected_addresses, j, ',');
1459                         }
1460                 }
1461
1462         }
1463
1464         vcard_free(v);
1465 }
1466
1467
1468
1469 /*
1470  * Back end function for store_harvested_addresses()
1471  */
1472 void store_this_ha(struct addresses_to_be_filed *aptr) {
1473         struct CtdlMessage *vmsg = NULL;
1474         long vmsgnum = (-1L);
1475         char *ser = NULL;
1476         struct vCard *v = NULL;
1477         char recipient[256];
1478         int i;
1479
1480         /* First remove any addresses we already have in the address book */
1481         usergoto(aptr->roomname, 0, 0, NULL, NULL);
1482         CtdlForEachMessage(MSGS_ALL, 0, NULL, "^[Tt][Ee][Xx][Tt]/.*[Vv][Cc][Aa][Rr][Dd]$", NULL,
1483                 strip_addresses_already_have, aptr->collected_addresses);
1484
1485         if (!IsEmptyStr(aptr->collected_addresses))
1486            for (i=0; i<num_tokens(aptr->collected_addresses, ','); ++i) {
1487
1488                 /* Make a vCard out of each address */
1489                 extract_token(recipient, aptr->collected_addresses, i, ',', sizeof recipient);
1490                 striplt(recipient);
1491                 v = vcard_new_from_rfc822_addr(recipient);
1492                 if (v != NULL) {
1493                         vmsg = malloc(sizeof(struct CtdlMessage));
1494                         memset(vmsg, 0, sizeof(struct CtdlMessage));
1495                         vmsg->cm_magic = CTDLMESSAGE_MAGIC;
1496                         vmsg->cm_anon_type = MES_NORMAL;
1497                         vmsg->cm_format_type = FMT_RFC822;
1498                         vmsg->cm_fields['A'] = strdup("Citadel");
1499                         vmsg->cm_fields['E'] =  strdup(vcard_get_prop(v, "UID", 1, 0, 0));
1500                         ser = vcard_serialize(v);
1501                         if (ser != NULL) {
1502                                 vmsg->cm_fields['M'] = malloc(strlen(ser) + 1024);
1503                                 sprintf(vmsg->cm_fields['M'],
1504                                         "Content-type: " VCARD_MIME_TYPE
1505                                         "\r\n\r\n%s\r\n", ser);
1506                                 free(ser);
1507                         }
1508                         vcard_free(v);
1509
1510                         CtdlLogPrintf(CTDL_DEBUG, "Adding contact: %s\n", recipient);
1511                         vmsgnum = CtdlSubmitMsg(vmsg, NULL, aptr->roomname, QP_EADDR);
1512                         CtdlFreeMessage(vmsg);
1513                 }
1514         }
1515
1516         free(aptr->roomname);
1517         free(aptr->collected_addresses);
1518         free(aptr);
1519 }
1520
1521
1522 /*
1523  * When a user sends a message, we may harvest one or more email addresses
1524  * from the recipient list to be added to the user's address book.  But we
1525  * want to do this asynchronously so it doesn't keep the user waiting.
1526  */
1527 void store_harvested_addresses(void) {
1528
1529         struct addresses_to_be_filed *aptr = NULL;
1530
1531         if (atbf == NULL) return;
1532
1533         begin_critical_section(S_ATBF);
1534         while (atbf != NULL) {
1535                 aptr = atbf;
1536                 atbf = atbf->next;
1537                 end_critical_section(S_ATBF);
1538                 store_this_ha(aptr);
1539                 begin_critical_section(S_ATBF);
1540         }
1541         end_critical_section(S_ATBF);
1542 }
1543
1544
1545 /*
1546  * Function to output vCard data as plain text.  Nobody uses MSG0 anymore, so
1547  * really this is just so we expose the vCard data to the full text indexer.
1548  */
1549 void vcard_fixed_output(char *ptr, int len) {
1550         char *serialized_vcard;
1551         struct vCard *v;
1552         char *key, *value;
1553         int i = 0;
1554
1555         serialized_vcard = malloc(len + 1);
1556         safestrncpy(serialized_vcard, ptr, len+1);
1557         v = vcard_load(serialized_vcard);
1558         free(serialized_vcard);
1559
1560         i = 0;
1561         while (key = vcard_get_prop(v, "", 0, i, 1), key != NULL) {
1562                 value = vcard_get_prop(v, "", 0, i++, 0);
1563                 cprintf("%s\n", value);
1564         }
1565
1566         vcard_free(v);
1567 }
1568
1569
1570 const char *CitadelServiceDICT_TCP="DICT_TCP";
1571
1572 CTDL_MODULE_INIT(vcard)
1573 {
1574         struct ctdlroom qr;
1575         char filename[256];
1576         FILE *fp;
1577
1578         if (!threading)
1579         {
1580                 CtdlRegisterSessionHook(vcard_session_login_hook, EVT_LOGIN);
1581                 CtdlRegisterMessageHook(vcard_upload_beforesave, EVT_BEFORESAVE);
1582                 CtdlRegisterMessageHook(vcard_upload_aftersave, EVT_AFTERSAVE);
1583                 CtdlRegisterDeleteHook(vcard_delete_remove);
1584                 CtdlRegisterProtoHook(cmd_regi, "REGI", "Enter registration info");
1585                 CtdlRegisterProtoHook(cmd_greg, "GREG", "Get registration info");
1586                 CtdlRegisterProtoHook(cmd_igab, "IGAB",
1587                                                 "Initialize Global Address Book");
1588                 CtdlRegisterProtoHook(cmd_qdir, "QDIR", "Query Directory");
1589                 CtdlRegisterProtoHook(cmd_gvsn, "GVSN", "Get Valid Screen Names");
1590                 CtdlRegisterProtoHook(cmd_gvea, "GVEA", "Get Valid Email Addresses");
1591                 CtdlRegisterProtoHook(cmd_dvca, "DVCA", "Dump VCard Addresses");
1592                 CtdlRegisterUserHook(vcard_newuser, EVT_NEWUSER);
1593                 CtdlRegisterUserHook(vcard_purge, EVT_PURGEUSER);
1594                 CtdlRegisterNetprocHook(vcard_extract_from_network);
1595                 CtdlRegisterSessionHook(store_harvested_addresses, EVT_TIMER);
1596                 CtdlRegisterFixedOutputHook("text/x-vcard", vcard_fixed_output);
1597                 CtdlRegisterFixedOutputHook("text/vcard", vcard_fixed_output);
1598
1599                 /* Create the Global ADdress Book room if necessary */
1600                 create_room(ADDRESS_BOOK_ROOM, 3, "", 0, 1, 0, VIEW_ADDRESSBOOK);
1601
1602                 /* Set expiration policy to manual; otherwise objects will be lost! */
1603                 if (!lgetroom(&qr, ADDRESS_BOOK_ROOM)) {
1604                         qr.QRep.expire_mode = EXPIRE_MANUAL;
1605                         qr.QRdefaultview = VIEW_ADDRESSBOOK;    /* 2 = address book view */
1606                         lputroom(&qr);
1607
1608                         /*
1609                          * Also make sure it has a netconfig file, so the networker runs
1610                          * on this room even if we don't share it with any other nodes.
1611                          * This allows the CANCEL messages (i.e. "Purge this vCard") to be
1612                          * purged.
1613                          */
1614                         assoc_file_name(filename, sizeof filename, &qr, ctdl_netcfg_dir);
1615                         fp = fopen(filename, "a");
1616                         if (fp != NULL) fclose(fp);
1617                         chown(filename, CTDLUID, (-1));
1618                 }
1619
1620                 /* for postfix tcpdict */
1621                 CtdlRegisterServiceHook(config.c_pftcpdict_port,        /* Postfix */
1622                                         NULL,
1623                                         check_get_greeting,
1624                                         check_get,
1625                                         NULL,
1626                                         CitadelServiceDICT_TCP);
1627         }
1628
1629         /* return our Subversion id for the Log */
1630         return "$Id$";
1631 }