citadel/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) 1999-2002 / released under the GNU General Public License
   8  */
   9
  10 /*
  11  * Where we keep messages containing the vCards that source our directory.  It
  12  * makes no sense to change this, because you'd have to change it on every
  13  * system on the network.  That would be stupid.
  14  */
  15 #define ADDRESS_BOOK_ROOM       "Global Address Book"
  16
  17 /*
  18  * Format of the "Exclusive ID" field of the message containing a user's
  19  * vCard.  Doesn't matter what it really looks like as long as it's both
  20  * unique and consistent (because we use it for replication checking to
  21  * delete the old vCard network-wide when the user enters a new one).
  22  */
  23 #define VCARD_EXT_FORMAT        "Citadel vCard: personal card for %s at %s"
  24
  25
  26 #include "sysdep.h"
  27 #include <stdlib.h>
  28 #include <unistd.h>
  29 #include <stdio.h>
  30 #include <fcntl.h>
  31 #include <signal.h>
  32 #include <pwd.h>
  33 #include <errno.h>
  34 #include <sys/types.h>
  35
  36 #if TIME_WITH_SYS_TIME
  37 # include <sys/time.h>
  38 # include <time.h>
  39 #else
  40 # if HAVE_SYS_TIME_H
  41 #  include <sys/time.h>
  42 # else
  43 #  include <time.h>
  44 # endif
  45 #endif
  46
  47 #include <sys/wait.h>
  48 #include <string.h>
  49 #include <limits.h>
  50 #include "citadel.h"
  51 #include "server.h"
  52 #include "sysdep_decls.h"
  53 #include "citserver.h"
  54 #include "support.h"
  55 #include "config.h"
  56 #include "control.h"
  57 #include "serv_extensions.h"
  58 #include "room_ops.h"
  59 #include "user_ops.h"
  60 #include "policy.h"
  61 #include "database.h"
  62 #include "msgbase.h"
  63 #include "internet_addressing.h"
  64 #include "tools.h"
  65 #include "vcard.h"
  66 #include "serv_ldap.h"
  67
  68 /*
  69  * set global flag calling for an aide to validate new users
  70  */
  71 void set_mm_valid(void) {
  72         begin_critical_section(S_CONTROL);
  73         get_control();
  74         CitControl.MMflags = CitControl.MMflags | MM_VALID ;
  75         put_control();
  76         end_critical_section(S_CONTROL);
  77 }
  78
  79
  80
  81 /*
  82  * Extract Internet e-mail addresses from a message containing a vCard, and
  83  * perform a callback for any found.
  84  */
  85 void vcard_extract_internet_addresses(struct CtdlMessage *msg,
  86                                 void (*callback)(char *, char *) ) {
  87         struct vCard *v;
  88         char *s;
  89         char *addr;
  90         char citadel_address[SIZ];
  91         int instance = 0;
  92         int found_something = 0;
  93
  94         if (msg->cm_fields['A'] == NULL) return;
  95         if (msg->cm_fields['N'] == NULL) return;
  96         snprintf(citadel_address, sizeof citadel_address, "%s @ %s",
  97                 msg->cm_fields['A'], msg->cm_fields['N']);
  98
  99         v = vcard_load(msg->cm_fields['M']);
 100         if (v == NULL) return;
 101
 102         /* Go through the vCard searching for *all* instances of
 103          * the "email;internet" key
 104          */
 105         do {
 106                 s = vcard_get_prop(v, "email;internet", 0, instance++, 0);
 107                 if (s != NULL) {
 108                         addr = strdup(s);
 109                         striplt(addr);
 110                         if (strlen(addr) > 0) {
 111                                 if (callback != NULL) {
 112                                         callback(addr, citadel_address);
 113                                 }
 114                         }
 115                         free(addr);
 116                         found_something = 1;
 117                 }
 118                 else {
 119                         found_something = 0;
 120                 }
 121         } while(found_something);
 122
 123         vcard_free(v);
 124 }
 125
 126
 127
 128 /*
 129  * Callback for vcard_add_to_directory()
 130  * (Lotsa ugly nested callbacks.  Oh well.)
 131  * This little shim function makes sure we're not
 132  */
 133 void vcard_directory_add_user(char *internet_addr, char *citadel_addr) {
 134         char buf[SIZ];
 135
 136         /* We have to validate that we're not stepping on someone else's
 137          * email address ... but only if we're logged in.  Otherwise it's
 138          * probably just the networker or something.
 139          */
 140         if (CC->logged_in) {
 141                 lprintf(CTDL_DEBUG, "Checking for <%s>...\n", internet_addr);
 142                 if (CtdlDirectoryLookup(buf, internet_addr) == 0) {
 143                         if (strcasecmp(buf, citadel_addr)) {
 144                                 /* This address belongs to someone else.
 145                                  * Bail out silently without saving.
 146                                  */
 147                                 lprintf(CTDL_DEBUG, "DOOP!\n");
 148                                 return;
 149                         }
 150                 }
 151         }
 152         lprintf(CTDL_INFO, "Adding %s (%s) to directory\n",
 153                         citadel_addr, internet_addr);
 154         CtdlDirectoryAddUser(internet_addr, citadel_addr);
 155 }
 156
 157
 158 /*
 159  * Back end function for cmd_igab()
 160  */
 161 void vcard_add_to_directory(long msgnum, void *data) {
 162         struct CtdlMessage *msg;
 163
 164         msg = CtdlFetchMessage(msgnum, 1);
 165         if (msg != NULL) {
 166                 vcard_extract_internet_addresses(msg, vcard_directory_add_user);
 167         }
 168
 169 #ifdef HAVE_LDAP
 170         ctdl_vcard_to_ldap(msg, V2L_WRITE);
 171 #endif
 172
 173         CtdlFreeMessage(msg);
 174 }
 175
 176
 177 /*
 178  * Initialize Global Adress Book
 179  */
 180 void cmd_igab(char *argbuf) {
 181         char hold_rm[ROOMNAMELEN];
 182
 183         if (CtdlAccessCheck(ac_aide)) return;
 184
 185         strcpy(hold_rm, CC->room.QRname);       /* save current room */
 186
 187         if (getroom(&CC->room, ADDRESS_BOOK_ROOM) != 0) {
 188                 getroom(&CC->room, hold_rm);
 189                 cprintf("%d cannot get address book room\n", ERROR + ROOM_NOT_FOUND);
 190                 return;
 191         }
 192
 193         /* Empty the existing database first.
 194          */
 195         CtdlDirectoryInit();
 196
 197         /* We want *all* vCards in this room */
 198         CtdlForEachMessage(MSGS_ALL, 0, "text/x-vcard",
 199                 NULL, vcard_add_to_directory, NULL);
 200
 201         getroom(&CC->room, hold_rm);    /* return to saved room */
 202         cprintf("%d Directory has been rebuilt.\n", CIT_OK);
 203 }
 204
 205
 206
 207
 208 /*
 209  * See if there is a valid Internet address in a vCard to use for outbound
 210  * Internet messages.  If there is, stick it in CC->cs_inet_email.
 211  */
 212 void vcard_populate_cs_inet_email(struct vCard *v) {
 213         char *s, *addr;
 214         int continue_searching = 1;
 215         int instance = 0;
 216
 217         /* Go through the vCard searching for *all* instances of
 218          * the "email;internet" key
 219          */
 220         do {
 221                 s = vcard_get_prop(v, "email;internet", 0, instance++, 0);
 222                 if (s != NULL) {
 223                         continue_searching = 1;
 224                         addr = strdup(s);
 225                         striplt(addr);
 226                         if (strlen(addr) > 0) {
 227                                 if (IsDirectory(addr)) {
 228                                         continue_searching = 0;
 229                                         safestrncpy(CC->cs_inet_email,
 230                                                 addr,
 231                                                 sizeof(CC->cs_inet_email)
 232                                         );
 233                                 }
 234                         }
 235                         free(addr);
 236                 }
 237                 else {
 238                         continue_searching = 0;
 239                 }
 240         } while(continue_searching);
 241 }
 242
 243
 244
 245 /*
 246  * This handler detects whether the user is attempting to save a new
 247  * vCard as part of his/her personal configuration, and handles the replace
 248  * function accordingly (delete the user's existing vCard in the config room
 249  * and in the global address book).
 250  */
 251 int vcard_upload_beforesave(struct CtdlMessage *msg) {
 252         char *ptr;
 253         char *s;
 254         int linelen;
 255         char buf[SIZ];
 256         struct ctdluser usbuf;
 257         long what_user;
 258         struct vCard *v = NULL;
 259         char *ser = NULL;
 260         int i = 0;
 261         int yes_my_citadel_config = 0;
 262         int yes_any_vcard_room = 0;
 263
 264         if (!CC->logged_in) return(0);  /* Only do this if logged in. */
 265
 266         /* Is this some user's "My Citadel Config" room? */
 267         if ( (CC->room.QRflags && QR_MAILBOX)
 268            && (!strcasecmp(&CC->room.QRname[11], USERCONFIGROOM)) ) {
 269                 /* Yes, we want to do this */
 270                 yes_my_citadel_config = 1;
 271         }
 272
 273         /* Is this a room with an address book in it? */
 274         if (CC->curr_view == VIEW_ADDRESSBOOK) {
 275                 yes_any_vcard_room = 1;
 276         }
 277
 278         /* If neither condition exists, don't run this hook. */
 279         if ( (!yes_my_citadel_config) && (!yes_any_vcard_room) ) {
 280                 return(0);
 281         }
 282
 283         /* If this isn't a MIME message, don't bother. */
 284         if (msg->cm_format_type != 4) return(0);
 285
 286         /* Ok, if we got this far, look into the situation further... */
 287
 288         ptr = msg->cm_fields['M'];
 289         if (ptr == NULL) return(0);
 290         while (ptr != NULL) {
 291
 292                 linelen = strcspn(ptr, "\n");
 293                 if (linelen == 0) return(0);    /* end of headers */
 294
 295                 if (!strncasecmp(ptr, "Content-type: text/x-vcard", 26)) {
 296
 297
 298                         if (yes_my_citadel_config) {
 299                                 /* Bingo!  The user is uploading a new vCard, so
 300                                  * delete the old one.  First, figure out which user
 301                                  * is being re-registered...
 302                                  */
 303                                 what_user = atol(CC->room.QRname);
 304
 305                                 if (what_user == CC->user.usernum) {
 306                                         /* It's the logged in user.  That was easy. */
 307                                         memcpy(&usbuf, &CC->user,
 308                                                 sizeof(struct ctdluser) );
 309                                 }
 310
 311                                 else if (getuserbynumber(&usbuf, what_user) == 0) {
 312                                         /* We fetched a valid user record */
 313                                 }
 314
 315                                 else {
 316                                         /* No user with that number! */
 317                                         return(0);
 318                                 }
 319
 320                                 /* Delete the user's old vCard.  This would probably
 321                                  * get taken care of by the replication check, but we
 322                                  * want to make sure there is absolutely only one
 323                                  * vCard in the user's config room at all times.
 324                                  */
 325                                 CtdlDeleteMessages(CC->room.QRname,
 326                                                 0L, "text/x-vcard");
 327
 328                                 /* Make the author of the message the name of the user.
 329                                  */
 330                                 if (msg->cm_fields['A'] != NULL) {
 331                                         free(msg->cm_fields['A']);
 332                                 }
 333                                 msg->cm_fields['A'] = strdup(usbuf.fullname);
 334                         }
 335
 336                         /* Manipulate the vCard data structure */
 337                         v = vcard_load(msg->cm_fields['M']);
 338                         if (v != NULL) {
 339
 340                                 /* Insert or replace RFC2739-compliant free/busy URL */
 341                                 if (yes_my_citadel_config) {
 342                                         sprintf(buf, "http://%s/%s.vfb",
 343                                                 config.c_fqdn,
 344                                                 usbuf.fullname);
 345                                         for (i=0; i<strlen(buf); ++i) {
 346                                                 if (buf[i] == ' ') buf[i] = '_';
 347                                         }
 348                                         vcard_set_prop(v, "FBURL;PREF", buf, 0);
 349                                 }
 350
 351                                 /* If this is an address book room, and the vCard has
 352                                  * no UID, then give it one.
 353                                  */
 354                                 if (yes_any_vcard_room) {
 355                                         s = vcard_get_prop(v, "UID", 0, 0, 0);
 356                                         if (s == NULL) {
 357                                                 generate_uuid(buf);
 358                                                 vcard_set_prop(v, "UID", buf, 0);
 359                                         }
 360                                 }
 361
 362                                 /* Enforce local UID policy if applicable */
 363                                 if (yes_my_citadel_config) {
 364                                         snprintf(buf, sizeof buf, VCARD_EXT_FORMAT,
 365                                                 msg->cm_fields['A'], NODENAME);
 366                                         vcard_set_prop(v, "UID", buf, 0);
 367                                 }
 368
 369                                 /*
 370                                  * Set the EUID of the message to the UID of the vCard.
 371                                  * Also set the Subject if there isn't already one.
 372                                  */
 373                                 if (msg->cm_fields['E'] != NULL) free(msg->cm_fields['E']);
 374                                 s = vcard_get_prop(v, "UID", 0, 0, 0);
 375                                 if (s != NULL) {
 376                                         msg->cm_fields['E'] = strdup(s);
 377                                         if (msg->cm_fields['U'] == NULL) {
 378                                                 msg->cm_fields['U'] = strdup(s);
 379                                         }
 380                                 }
 381
 382                                 /* Re-serialize it back into the msg body */
 383                                 ser = vcard_serialize(v);
 384                                 if (ser != NULL) {
 385                                         msg->cm_fields['M'] = realloc(
 386                                                 msg->cm_fields['M'],
 387                                                 strlen(ser) + 1024
 388                                         );
 389                                         sprintf(msg->cm_fields['M'],
 390                                                 "Content-type: text/x-vcard"
 391                                                 "\r\n\r\n%s\r\n", ser);
 392                                         free(ser);
 393                                 }
 394                                 vcard_free(v);
 395                         }
 396
 397                         /* Now allow the save to complete. */
 398                         return(0);
 399                 }
 400
 401                 ptr = strchr((char *)ptr, '\n');
 402                 if (ptr != NULL) ++ptr;
 403         }
 404
 405         return(0);
 406 }
 407
 408
 409
 410 /*
 411  * This handler detects whether the user is attempting to save a new
 412  * vCard as part of his/her personal configuration, and handles the replace
 413  * function accordingly (copy the vCard from the config room to the global
 414  * address book).
 415  */
 416 int vcard_upload_aftersave(struct CtdlMessage *msg) {
 417         char *ptr;
 418         int linelen;
 419         long I;
 420         struct vCard *v;
 421
 422         if (!CC->logged_in) return(0);  /* Only do this if logged in. */
 423
 424         /* If this isn't the configuration room, or if this isn't a MIME
 425          * message, don't bother.
 426          */
 427         if (msg->cm_fields['O'] == NULL) return(0);
 428         if (strcasecmp(msg->cm_fields['O'], USERCONFIGROOM)) return(0);
 429         if (msg->cm_format_type != 4) return(0);
 430
 431         ptr = msg->cm_fields['M'];
 432         if (ptr == NULL) return(0);
 433         while (ptr != NULL) {
 434
 435                 linelen = strcspn(ptr, "\n");
 436                 if (linelen == 0) return(0);    /* end of headers */
 437
 438                 if (!strncasecmp(ptr, "Content-type: text/x-vcard", 26)) {
 439                         /* Bingo!  The user is uploading a new vCard, so
 440                          * copy it to the Global Address Book room.
 441                          */
 442
 443                         I = atol(msg->cm_fields['I']);
 444                         if (I < 0L) return(0);
 445
 446                         /* Store our Internet return address in memory */
 447                         v = vcard_load(msg->cm_fields['M']);
 448                         vcard_populate_cs_inet_email(v);
 449                         vcard_free(v);
 450
 451                         /* Put it in the Global Address Book room... */
 452                         CtdlSaveMsgPointerInRoom(ADDRESS_BOOK_ROOM, I,
 453                                 (SM_VERIFY_GOODNESS | SM_DO_REPL_CHECK) );
 454
 455                         /* ...and also in the directory database. */
 456                         vcard_add_to_directory(I, NULL);
 457
 458                         /* Some sites want an Aide to be notified when a
 459                          * user registers or re-registers...
 460                          */
 461                         set_mm_valid();
 462
 463                         /* ...which also means we need to flag the user */
 464                         lgetuser(&CC->user, CC->curr_user);
 465                         CC->user.flags |= (US_REGIS|US_NEEDVALID);
 466                         lputuser(&CC->user);
 467
 468                         return(0);
 469                 }
 470
 471                 ptr = strchr((char *)ptr, '\n');
 472                 if (ptr != NULL) ++ptr;
 473         }
 474
 475         return(0);
 476 }
 477
 478
 479
 480 /*
 481  * back end function used for callbacks
 482  */
 483 void vcard_gu_backend(long supplied_msgnum, void *userdata) {
 484         long *msgnum;
 485
 486         msgnum = (long *) userdata;
 487         *msgnum = supplied_msgnum;
 488 }
 489
 490
 491 /*
 492  * If this user has a vcard on disk, read it into memory, otherwise allocate
 493  * and return an empty vCard.
 494  */
 495 struct vCard *vcard_get_user(struct ctdluser *u) {
 496         char hold_rm[ROOMNAMELEN];
 497         char config_rm[ROOMNAMELEN];
 498         struct CtdlMessage *msg;
 499         struct vCard *v;
 500         long VCmsgnum;
 501
 502         strcpy(hold_rm, CC->room.QRname);       /* save current room */
 503         MailboxName(config_rm, sizeof config_rm, u, USERCONFIGROOM);
 504
 505         if (getroom(&CC->room, config_rm) != 0) {
 506                 getroom(&CC->room, hold_rm);
 507                 return vcard_new();
 508         }
 509
 510         /* We want the last (and probably only) vcard in this room */
 511         VCmsgnum = (-1);
 512         CtdlForEachMessage(MSGS_LAST, 1, "text/x-vcard",
 513                 NULL, vcard_gu_backend, (void *)&VCmsgnum );
 514         getroom(&CC->room, hold_rm);    /* return to saved room */
 515
 516         if (VCmsgnum < 0L) return vcard_new();
 517
 518         msg = CtdlFetchMessage(VCmsgnum, 1);
 519         if (msg == NULL) return vcard_new();
 520
 521         v = vcard_load(msg->cm_fields['M']);
 522         CtdlFreeMessage(msg);
 523         return v;
 524 }
 525
 526
 527 /*
 528  * Store this user's vCard in the appropriate place
 529  */
 530 /*
 531  * Write our config to disk
 532  */
 533 void vcard_write_user(struct ctdluser *u, struct vCard *v) {
 534         char temp[PATH_MAX];
 535         FILE *fp;
 536         char *ser;
 537
 538         strcpy(temp, tmpnam(NULL));
 539         ser = vcard_serialize(v);
 540
 541         fp = fopen(temp, "w");
 542         if (fp == NULL) return;
 543         if (ser == NULL) {
 544                 fprintf(fp, "begin:vcard\r\nend:vcard\r\n");
 545         } else {
 546                 fwrite(ser, strlen(ser), 1, fp);
 547                 free(ser);
 548         }
 549         fclose(fp);
 550
 551         /* This handy API function does all the work for us.
 552          * NOTE: normally we would want to set that last argument to 1, to
 553          * force the system to delete the user's old vCard.  But it doesn't
 554          * have to, because the vcard_upload_beforesave() hook above
 555          * is going to notice what we're trying to do, and delete the old vCard.
 556          */
 557         CtdlWriteObject(USERCONFIGROOM, /* which room */
 558                         "text/x-vcard", /* MIME type */
 559                         temp,           /* temp file */
 560                         u,              /* which user */
 561                         0,              /* not binary */
 562                         0,              /* don't delete others of this type */
 563                         0);             /* no flags */
 564
 565         unlink(temp);
 566 }
 567
 568
 569
 570 /*
 571  * Old style "enter registration info" command.  This function simply honors
 572  * the REGI protocol command, translates the entered parameters into a vCard,
 573  * and enters the vCard into the user's configuration.
 574  */
 575 void cmd_regi(char *argbuf) {
 576         int a,b,c;
 577         char buf[SIZ];
 578         struct vCard *my_vcard;
 579
 580         char tmpaddr[SIZ];
 581         char tmpcity[SIZ];
 582         char tmpstate[SIZ];
 583         char tmpzip[SIZ];
 584         char tmpaddress[SIZ];
 585         char tmpcountry[SIZ];
 586
 587         unbuffer_output();
 588
 589         if (!(CC->logged_in)) {
 590                 cprintf("%d Not logged in.\n",ERROR + NOT_LOGGED_IN);
 591                 return;
 592         }
 593
 594         my_vcard = vcard_get_user(&CC->user);
 595         strcpy(tmpaddr, "");
 596         strcpy(tmpcity, "");
 597         strcpy(tmpstate, "");
 598         strcpy(tmpzip, "");
 599         strcpy(tmpcountry, "USA");
 600
 601         cprintf("%d Send registration...\n", SEND_LISTING);
 602         a=0;
 603         while (client_getln(buf, sizeof buf), strcmp(buf,"000")) {
 604                 if (a==0) vcard_set_prop(my_vcard, "n", buf, 0);
 605                 if (a==1) strcpy(tmpaddr, buf);
 606                 if (a==2) strcpy(tmpcity, buf);
 607                 if (a==3) strcpy(tmpstate, buf);
 608                 if (a==4) {
 609                         for (c=0; c<strlen(buf); ++c) {
 610                                 if ((buf[c]>='0') && (buf[c]<='9')) {
 611                                         b = strlen(tmpzip);
 612                                         tmpzip[b] = buf[c];
 613                                         tmpzip[b+1] = 0;
 614                                 }
 615                         }
 616                 }
 617                 if (a==5) vcard_set_prop(my_vcard, "tel;home", buf, 0);
 618                 if (a==6) vcard_set_prop(my_vcard, "email;internet", buf, 0);
 619                 if (a==7) strcpy(tmpcountry, buf);
 620                 ++a;
 621         }
 622
 623         snprintf(tmpaddress, sizeof tmpaddress, ";;%s;%s;%s;%s;%s",
 624                 tmpaddr, tmpcity, tmpstate, tmpzip, tmpcountry);
 625         vcard_set_prop(my_vcard, "adr", tmpaddress, 0);
 626         vcard_write_user(&CC->user, my_vcard);
 627         vcard_free(my_vcard);
 628 }
 629
 630
 631 /*
 632  * Protocol command to fetch registration info for a user
 633  */
 634 void cmd_greg(char *argbuf)
 635 {
 636         struct ctdluser usbuf;
 637         struct vCard *v;
 638         char *s;
 639         char who[SIZ];
 640         char adr[SIZ];
 641         char buf[SIZ];
 642
 643         extract(who, argbuf, 0);
 644
 645         if (!(CC->logged_in)) {
 646                 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
 647                 return;
 648         }
 649
 650         if (!strcasecmp(who,"_SELF_")) strcpy(who,CC->curr_user);
 651
 652         if ((CC->user.axlevel < 6) && (strcasecmp(who,CC->curr_user))) {
 653                 cprintf("%d Higher access required.\n",
 654                         ERROR + HIGHER_ACCESS_REQUIRED);
 655                 return;
 656         }
 657
 658         if (getuser(&usbuf, who) != 0) {
 659                 cprintf("%d '%s' not found.\n", ERROR + NO_SUCH_USER, who);
 660                 return;
 661         }
 662
 663         v = vcard_get_user(&usbuf);
 664
 665         cprintf("%d %s\n", LISTING_FOLLOWS, usbuf.fullname);
 666         cprintf("%ld\n", usbuf.usernum);
 667         cprintf("%s\n", usbuf.password);
 668         s = vcard_get_prop(v, "n", 0, 0, 0);
 669         cprintf("%s\n", s ? s : " ");   /* name */
 670
 671         s = vcard_get_prop(v, "adr", 0, 0, 0);
 672         snprintf(adr, sizeof adr, "%s", s ? s : " ");/* address... */
 673
 674         extract_token(buf, adr, 2, ';');
 675         cprintf("%s\n", buf);                           /* street */
 676         extract_token(buf, adr, 3, ';');
 677         cprintf("%s\n", buf);                           /* city */
 678         extract_token(buf, adr, 4, ';');
 679         cprintf("%s\n", buf);                           /* state */
 680         extract_token(buf, adr, 5, ';');
 681         cprintf("%s\n", buf);                           /* zip */
 682
 683         s = vcard_get_prop(v, "tel;home", 0, 0, 0);
 684         if (s == NULL) s = vcard_get_prop(v, "tel", 1, 0, 0);
 685         if (s != NULL) {
 686                 cprintf("%s\n", s);
 687         }
 688         else {
 689                 cprintf(" \n");
 690         }
 691
 692         cprintf("%d\n", usbuf.axlevel);
 693
 694         s = vcard_get_prop(v, "email;internet", 0, 0, 0);
 695         cprintf("%s\n", s ? s : " ");
 696         s = vcard_get_prop(v, "adr", 0, 0, 0);
 697         snprintf(adr, sizeof adr, "%s", s ? s : " ");/* address... */
 698
 699         extract_token(buf, adr, 6, ';');
 700         cprintf("%s\n", buf);                           /* country */
 701         cprintf("000\n");
 702 }
 703
 704
 705 /*
 706  * When a user is being created, create his/her vCard.
 707  */
 708 void vcard_newuser(struct ctdluser *usbuf) {
 709         char buf[SIZ];
 710         char vname[SIZ];
 711
 712         char lastname[SIZ];
 713         char firstname[SIZ];
 714         char middlename[SIZ];
 715         char honorific_prefixes[SIZ];
 716         char honorific_suffixes[SIZ];
 717
 718         struct vCard *v;
 719         int i;
 720
 721         /* Try to intelligently convert the screen name to a
 722          * fully expanded vCard name based on the number of
 723          * words in the name
 724          */
 725         strcpy(lastname, "");
 726         strcpy(firstname, "");
 727         strcpy(middlename, "");
 728         strcpy(honorific_prefixes, "");
 729         strcpy(honorific_suffixes, "");
 730
 731         strcpy(buf, usbuf->fullname);
 732
 733         /* Honorific suffixes */
 734         if (num_tokens(buf, ',') > 1) {
 735                 extract_token(honorific_suffixes, buf, (num_tokens(buf, ' ') - 1), ',');
 736                 remove_token(buf, (num_tokens(buf, ',') - 1), ',');
 737         }
 738
 739         /* Find a last name */
 740         extract_token(lastname, buf, (num_tokens(buf, ' ') - 1), ' ');
 741         remove_token(buf, (num_tokens(buf, ' ') - 1), ' ');
 742
 743         /* Find honorific prefixes */
 744         if (num_tokens(buf, ' ') > 2) {
 745                 extract_token(honorific_prefixes, buf, 0, ' ');
 746                 remove_token(buf, 0, ' ');
 747         }
 748
 749         /* Find a middle name */
 750         if (num_tokens(buf, ' ') > 1) {
 751                 extract_token(middlename, buf, (num_tokens(buf, ' ') - 1), ' ');
 752                 remove_token(buf, (num_tokens(buf, ' ') - 1), ' ');
 753         }
 754
 755         /* Anything left is probably the first name */
 756         strcpy(firstname, buf);
 757         striplt(firstname);
 758
 759         /* Compose the structured name */
 760         sprintf(vname, "%s;%s;%s;%s;%s", lastname, firstname, middlename,
 761                 honorific_prefixes, honorific_suffixes);
 762
 763         lprintf(CTDL_DEBUG, "Converted <%s> to <%s>\n", usbuf->fullname, vname);
 764
 765         /* Create and save the vCard */
 766         v = vcard_new();
 767         if (v == NULL) return;
 768         sprintf(buf, "%s@%s", usbuf->fullname, config.c_fqdn);
 769         for (i=0; i<strlen(buf); ++i) {
 770                 if (buf[i] == ' ') buf[i] = '_';
 771         }
 772         vcard_add_prop(v, "fn", usbuf->fullname);
 773         vcard_add_prop(v, "n", vname);
 774         vcard_add_prop(v, "adr", "adr:;;_;_;_;00000;__");
 775         vcard_add_prop(v, "email;internet", buf);
 776         vcard_write_user(usbuf, v);
 777         vcard_free(v);
 778 }
 779
 780
 781 /*
 782  * When a user is being deleted, we have to remove his/her vCard.
 783  * This is accomplished by issuing a message with 'CANCEL' in the S (special)
 784  * field, and the same Exclusive ID as the existing card.
 785  */
 786 void vcard_purge(struct ctdluser *usbuf) {
 787         struct CtdlMessage *msg;
 788         char buf[SIZ];
 789
 790         msg = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
 791         if (msg == NULL) return;
 792         memset(msg, 0, sizeof(struct CtdlMessage));
 793
 794         msg->cm_magic = CTDLMESSAGE_MAGIC;
 795         msg->cm_anon_type = MES_NORMAL;
 796         msg->cm_format_type = 0;
 797         msg->cm_fields['A'] = strdup(usbuf->fullname);
 798         msg->cm_fields['O'] = strdup(ADDRESS_BOOK_ROOM);
 799         msg->cm_fields['N'] = strdup(NODENAME);
 800         msg->cm_fields['M'] = strdup("Purge this vCard\n");
 801
 802         snprintf(buf, sizeof buf, VCARD_EXT_FORMAT,
 803                         msg->cm_fields['A'], NODENAME);
 804         msg->cm_fields['E'] = strdup(buf);
 805
 806         msg->cm_fields['S'] = strdup("CANCEL");
 807
 808         CtdlSubmitMsg(msg, NULL, ADDRESS_BOOK_ROOM);
 809         CtdlFreeMessage(msg);
 810 }
 811
 812
 813 /*
 814  * Grab vCard directory stuff out of incoming network messages
 815  */
 816 int vcard_extract_from_network(struct CtdlMessage *msg, char *target_room) {
 817         char *ptr;
 818         int linelen;
 819
 820         if (msg == NULL) return(0);
 821
 822         if (strcasecmp(target_room, ADDRESS_BOOK_ROOM)) {
 823                 return(0);
 824         }
 825
 826         if (msg->cm_format_type != 4) return(0);
 827
 828         ptr = msg->cm_fields['M'];
 829         if (ptr == NULL) return(0);
 830         while (ptr != NULL) {
 831
 832                 linelen = strcspn(ptr, "\n");
 833                 if (linelen == 0) return(0);    /* end of headers */
 834
 835                 if (!strncasecmp(ptr, "Content-type: text/x-vcard", 26)) {
 836                          /* It's a vCard.  Add it to the directory. */
 837                         vcard_extract_internet_addresses(msg,
 838                                                         CtdlDirectoryAddUser);
 839                         return(0);
 840                 }
 841
 842                 ptr = strchr((char *)ptr, '\n');
 843                 if (ptr != NULL) ++ptr;
 844         }
 845
 846         return(0);
 847 }
 848
 849
 850
 851 /*
 852  * When a vCard is being removed from the Global Address Book room, remove it
 853  * from the directory as well.
 854  */
 855 void vcard_delete_remove(char *room, long msgnum) {
 856         struct CtdlMessage *msg;
 857         char *ptr;
 858         int linelen;
 859
 860         if (msgnum <= 0L) return;
 861
 862         if (strcasecmp(room, ADDRESS_BOOK_ROOM)) {
 863                 return;
 864         }
 865
 866         msg = CtdlFetchMessage(msgnum, 1);
 867         if (msg == NULL) return;
 868
 869         ptr = msg->cm_fields['M'];
 870         if (ptr == NULL) goto EOH;
 871         while (ptr != NULL) {
 872                 linelen = strcspn(ptr, "\n");
 873                 if (linelen == 0) goto EOH;
 874
 875                 if (!strncasecmp(ptr, "Content-type: text/x-vcard", 26)) {
 876                         /* Bingo!  A vCard is being deleted.
 877                         */
 878                         vcard_extract_internet_addresses(msg,
 879                                                         CtdlDirectoryDelUser);
 880 #ifdef HAVE_LDAP
 881                         ctdl_vcard_to_ldap(msg, V2L_DELETE);
 882 #endif
 883                 }
 884                 ptr = strchr((char *)ptr, '\n');
 885                 if (ptr != NULL) ++ptr;
 886         }
 887
 888 EOH:    CtdlFreeMessage(msg);
 889 }
 890
 891
 892
 893 /*
 894  * Query Directory
 895  */
 896 void cmd_qdir(char *argbuf) {
 897         char citadel_addr[SIZ];
 898         char internet_addr[SIZ];
 899
 900         if (CtdlAccessCheck(ac_logged_in)) return;
 901
 902         extract(internet_addr, argbuf, 0);
 903
 904         if (CtdlDirectoryLookup(citadel_addr, internet_addr) != 0) {
 905                 cprintf("%d %s was not found.\n",
 906                         ERROR + NO_SUCH_USER, internet_addr);
 907                 return;
 908         }
 909
 910         cprintf("%d %s\n", CIT_OK, citadel_addr);
 911 }
 912
 913
 914 /*
 915  * We don't know if the Contacts room exists so we just create it at login
 916  */
 917 void vcard_create_room(void)
 918 {
 919         struct ctdlroom qr;
 920         struct visit vbuf;
 921
 922         /* Create the calendar room if it doesn't already exist */
 923         create_room(USERCONTACTSROOM, 4, "", 0, 1, 0, VIEW_ADDRESSBOOK);
 924
 925         /* Set expiration policy to manual; otherwise objects will be lost! */
 926         if (lgetroom(&qr, USERCONTACTSROOM)) {
 927                 lprintf(CTDL_ERR, "Couldn't get the user CONTACTS room!\n");
 928                 return;
 929         }
 930         qr.QRep.expire_mode = EXPIRE_MANUAL;
 931         qr.QRdefaultview = VIEW_ADDRESSBOOK;    /* 2 = address book view */
 932         lputroom(&qr);
 933
 934         /* Set the view to a calendar view */
 935         CtdlGetRelationship(&vbuf, &CC->user, &qr);
 936         vbuf.v_view = 2;        /* 2 = address book view */
 937         CtdlSetRelationship(&vbuf, &CC->user, &qr);
 938
 939         return;
 940 }
 941
 942
 943
 944
 945 /*
 946  * When a user logs in...
 947  */
 948 void vcard_session_login_hook(void) {
 949         struct vCard *v;
 950
 951         v = vcard_get_user(&CC->user);
 952         vcard_populate_cs_inet_email(v);
 953
 954         vcard_free(v);
 955
 956         vcard_create_room();
 957 }
 958
 959
 960
 961 char *serv_vcard_init(void)
 962 {
 963         struct ctdlroom qr;
 964
 965         CtdlRegisterSessionHook(vcard_session_login_hook, EVT_LOGIN);
 966         CtdlRegisterMessageHook(vcard_upload_beforesave, EVT_BEFORESAVE);
 967         CtdlRegisterMessageHook(vcard_upload_aftersave, EVT_AFTERSAVE);
 968         CtdlRegisterDeleteHook(vcard_delete_remove);
 969         CtdlRegisterProtoHook(cmd_regi, "REGI", "Enter registration info");
 970         CtdlRegisterProtoHook(cmd_greg, "GREG", "Get registration info");
 971         CtdlRegisterProtoHook(cmd_igab, "IGAB",
 972                                         "Initialize Global Address Book");
 973         CtdlRegisterProtoHook(cmd_qdir, "QDIR", "Query Directory");
 974         CtdlRegisterUserHook(vcard_newuser, EVT_NEWUSER);
 975         CtdlRegisterUserHook(vcard_purge, EVT_PURGEUSER);
 976         CtdlRegisterNetprocHook(vcard_extract_from_network);
 977
 978         /* Create the Global ADdress Book room if necessary */
 979         create_room(ADDRESS_BOOK_ROOM, 3, "", 0, 1, 0, VIEW_ADDRESSBOOK);
 980
 981         /* Set expiration policy to manual; otherwise objects will be lost! */
 982         if (!lgetroom(&qr, ADDRESS_BOOK_ROOM)) {
 983                 qr.QRep.expire_mode = EXPIRE_MANUAL;
 984                 qr.QRdefaultview = VIEW_ADDRESSBOOK;    /* 2 = address book view */
 985                 lputroom(&qr);
 986         }
 987
 988         return "$Id$";
 989 }