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 struct vcard_internal_info {
  69         long msgnum;
  70 };
  71
  72 /* Message number symbol used internally by these functions */
  73 #define VC ((struct vcard_internal_info *)CtdlGetUserData(SYM_VCARD))
  74
  75
  76 /*
  77  * set global flag calling for an aide to validate new users
  78  */
  79 void set_mm_valid(void) {
  80         begin_critical_section(S_CONTROL);
  81         get_control();
  82         CitControl.MMflags = CitControl.MMflags | MM_VALID ;
  83         put_control();
  84         end_critical_section(S_CONTROL);
  85 }
  86
  87
  88
  89 /*
  90  * Extract Internet e-mail addresses from a message containing a vCard, and
  91  * perform a callback for any found.
  92  */
  93 void vcard_extract_internet_addresses(struct CtdlMessage *msg,
  94                                 void (*callback)(char *, char *) ) {
  95         struct vCard *v;
  96         char *s;
  97         char *addr;
  98         char citadel_address[SIZ];
  99         int instance = 0;
 100         int found_something = 0;
 101
 102         if (msg->cm_fields['A'] == NULL) return;
 103         if (msg->cm_fields['N'] == NULL) return;
 104         snprintf(citadel_address, sizeof citadel_address, "%s @ %s",
 105                 msg->cm_fields['A'], msg->cm_fields['N']);
 106
 107         v = vcard_load(msg->cm_fields['M']);
 108         if (v == NULL) return;
 109
 110         /* Go through the vCard searching for *all* instances of
 111          * the "email;internet" key
 112          */
 113         do {
 114                 s = vcard_get_prop(v, "email;internet", 0, instance++, 0);
 115                 if (s != NULL) {
 116                         addr = strdup(s);
 117                         striplt(addr);
 118                         if (strlen(addr) > 0) {
 119                                 if (callback != NULL) {
 120                                         callback(addr, citadel_address);
 121                                 }
 122                         }
 123                         free(addr);
 124                         found_something = 1;
 125                 }
 126                 else {
 127                         found_something = 0;
 128                 }
 129         } while(found_something);
 130
 131         vcard_free(v);
 132 }
 133
 134
 135
 136 /*
 137  * Callback for vcard_add_to_directory()
 138  * (Lotsa ugly nested callbacks.  Oh well.)
 139  * This little shim function makes sure we're not
 140  */
 141 void vcard_directory_add_user(char *internet_addr, char *citadel_addr) {
 142         char buf[SIZ];
 143
 144         /* We have to validate that we're not stepping on someone else's
 145          * email address ... but only if we're logged in.  Otherwise it's
 146          * probably just the networker or something.
 147          */
 148         if (CC->logged_in) {
 149                 lprintf(CTDL_DEBUG, "Checking for <%s>...\n", internet_addr);
 150                 if (CtdlDirectoryLookup(buf, internet_addr) == 0) {
 151                         if (strcasecmp(buf, citadel_addr)) {
 152                                 /* This address belongs to someone else.
 153                                  * Bail out silently without saving.
 154                                  */
 155                                 lprintf(CTDL_DEBUG, "DOOP!\n");
 156                                 return;
 157                         }
 158                 }
 159         }
 160         lprintf(CTDL_INFO, "Adding %s (%s) to directory\n",
 161                         citadel_addr, internet_addr);
 162         CtdlDirectoryAddUser(internet_addr, citadel_addr);
 163 }
 164
 165
 166 /*
 167  * Back end function for cmd_igab()
 168  */
 169 void vcard_add_to_directory(long msgnum, void *data) {
 170         struct CtdlMessage *msg;
 171
 172         msg = CtdlFetchMessage(msgnum, 1);
 173         if (msg != NULL) {
 174                 vcard_extract_internet_addresses(msg, vcard_directory_add_user);
 175         }
 176
 177 #ifdef HAVE_LDAP
 178         ctdl_vcard_to_ldap(msg, V2L_WRITE);
 179 #endif
 180
 181         CtdlFreeMessage(msg);
 182 }
 183
 184
 185 /*
 186  * Initialize Global Adress Book
 187  */
 188 void cmd_igab(char *argbuf) {
 189         char hold_rm[ROOMNAMELEN];
 190
 191         if (CtdlAccessCheck(ac_aide)) return;
 192
 193         strcpy(hold_rm, CC->room.QRname);       /* save current room */
 194
 195         if (getroom(&CC->room, ADDRESS_BOOK_ROOM) != 0) {
 196                 getroom(&CC->room, hold_rm);
 197                 cprintf("%d cannot get address book room\n", ERROR + ROOM_NOT_FOUND);
 198                 return;
 199         }
 200
 201         /* Empty the existing database first.
 202          */
 203         CtdlDirectoryInit();
 204
 205         /* We want *all* vCards in this room */
 206         CtdlForEachMessage(MSGS_ALL, 0, "text/x-vcard",
 207                 NULL, vcard_add_to_directory, NULL);
 208
 209         getroom(&CC->room, hold_rm);    /* return to saved room */
 210         cprintf("%d Directory has been rebuilt.\n", CIT_OK);
 211 }
 212
 213
 214
 215
 216 /*
 217  * See if there is a valid Internet address in a vCard to use for outbound
 218  * Internet messages.  If there is, stick it in CC->cs_inet_email.
 219  */
 220 void vcard_populate_cs_inet_email(struct vCard *v) {
 221         char *s, *addr;
 222         int continue_searching = 1;
 223         int instance = 0;
 224
 225         /* Go through the vCard searching for *all* instances of
 226          * the "email;internet" key
 227          */
 228         do {
 229                 s = vcard_get_prop(v, "email;internet", 0, instance++, 0);
 230                 if (s != NULL) {
 231                         continue_searching = 1;
 232                         addr = strdup(s);
 233                         striplt(addr);
 234                         if (strlen(addr) > 0) {
 235                                 if (IsDirectory(addr)) {
 236                                         continue_searching = 0;
 237                                         safestrncpy(CC->cs_inet_email,
 238                                                 addr,
 239                                                 sizeof(CC->cs_inet_email)
 240                                         );
 241                                 }
 242                         }
 243                         free(addr);
 244                 }
 245                 else {
 246                         continue_searching = 0;
 247                 }
 248         } while(continue_searching);
 249 }
 250
 251
 252
 253 /*
 254  * This handler detects whether the user is attempting to save a new
 255  * vCard as part of his/her personal configuration, and handles the replace
 256  * function accordingly (delete the user's existing vCard in the config room
 257  * and in the global address book).
 258  */
 259 int vcard_upload_beforesave(struct CtdlMessage *msg) {
 260         char *ptr;
 261         char *s;
 262         int linelen;
 263         char buf[SIZ];
 264         struct ctdluser usbuf;
 265         long what_user;
 266         struct vCard *v = NULL;
 267         char *ser = NULL;
 268         int i = 0;
 269         int yes_my_citadel_config = 0;
 270         int yes_any_vcard_room = 0;
 271
 272         if (!CC->logged_in) return(0);  /* Only do this if logged in. */
 273
 274         /* Is this some user's "My Citadel Config" room? */
 275         if ( (CC->room.QRflags && QR_MAILBOX)
 276            && (!strcasecmp(&CC->room.QRname[11], USERCONFIGROOM)) ) {
 277                 /* Yes, we want to do this */
 278                 yes_my_citadel_config = 1;
 279         }
 280
 281         /* Is this a room with an address book in it? */
 282         if (CC->curr_view == VIEW_ADDRESSBOOK) {
 283                 yes_any_vcard_room = 1;
 284         }
 285
 286         /* If neither condition exists, don't run this hook. */
 287         if ( (!yes_my_citadel_config) && (!yes_any_vcard_room) ) {
 288                 return(0);
 289         }
 290
 291         /* If this isn't a MIME message, don't bother. */
 292         if (msg->cm_format_type != 4) return(0);
 293
 294         /* Ok, if we got this far, look into the situation further... */
 295
 296         ptr = msg->cm_fields['M'];
 297         if (ptr == NULL) return(0);
 298         while (ptr != NULL) {
 299
 300                 linelen = strcspn(ptr, "\n");
 301                 if (linelen == 0) return(0);    /* end of headers */
 302
 303                 if (!strncasecmp(ptr, "Content-type: text/x-vcard", 26)) {
 304
 305
 306                         if (yes_my_citadel_config) {
 307                                 /* Bingo!  The user is uploading a new vCard, so
 308                                  * delete the old one.  First, figure out which user
 309                                  * is being re-registered...
 310                                  */
 311                                 what_user = atol(CC->room.QRname);
 312
 313                                 if (what_user == CC->user.usernum) {
 314                                         /* It's the logged in user.  That was easy. */
 315                                         memcpy(&usbuf, &CC->user,
 316                                                 sizeof(struct ctdluser) );
 317                                 }
 318
 319                                 else if (getuserbynumber(&usbuf, what_user) == 0) {
 320                                         /* We fetched a valid user record */
 321                                 }
 322
 323                                 else {
 324                                         /* No user with that number! */
 325                                         return(0);
 326                                 }
 327
 328                                 /* Delete the user's old vCard.  This would probably
 329                                  * get taken care of by the replication check, but we
 330                                  * want to make sure there is absolutely only one
 331                                  * vCard in the user's config room at all times.
 332                                  */
 333                                 CtdlDeleteMessages(CC->room.QRname,
 334                                                 0L, "text/x-vcard");
 335
 336                                 /* Make the author of the message the name of the user.
 337                                  */
 338                                 if (msg->cm_fields['A'] != NULL) {
 339                                         free(msg->cm_fields['A']);
 340                                 }
 341                                 msg->cm_fields['A'] = strdup(usbuf.fullname);
 342                         }
 343
 344                         /* Manipulate the vCard data structure */
 345                         v = vcard_load(msg->cm_fields['M']);
 346                         if (v != NULL) {
 347
 348                                 /* Insert or replace RFC2739-compliant free/busy URL */
 349                                 if (yes_my_citadel_config) {
 350                                         sprintf(buf, "http://%s/%s.vfb",
 351                                                 config.c_fqdn,
 352                                                 usbuf.fullname);
 353                                         for (i=0; i<strlen(buf); ++i) {
 354                                                 if (buf[i] == ' ') buf[i] = '_';
 355                                         }
 356                                         vcard_set_prop(v, "FBURL;PREF", buf, 0);
 357                                 }
 358
 359                                 /* If this is an address book room, and the vCard has
 360                                  * no UID, then give it one.
 361                                  */
 362                                 if (yes_any_vcard_room) {
 363                                         s = vcard_get_prop(v, "UID", 0, 0, 0);
 364                                         if (s == NULL) {
 365                                                 generate_uuid(buf);
 366                                                 vcard_set_prop(v, "UID", buf, 0);
 367                                         }
 368                                 }
 369
 370                                 /* Enforce local UID policy if applicable */
 371                                 if (yes_my_citadel_config) {
 372                                         snprintf(buf, sizeof buf, VCARD_EXT_FORMAT,
 373                                                 msg->cm_fields['A'], NODENAME);
 374                                         vcard_set_prop(v, "UID", buf, 0);
 375                                 }
 376
 377                                 /*
 378                                  * Set the EUID of the message to the UID of the vCard.
 379                                  * Also set the Subject if there isn't already one.
 380                                  */
 381                                 if (msg->cm_fields['E'] != NULL) free(msg->cm_fields['E']);
 382                                 s = vcard_get_prop(v, "UID", 0, 0, 0);
 383                                 if (s != NULL) {
 384                                         msg->cm_fields['E'] = strdup(s);
 385                                         if (msg->cm_fields['U'] == NULL) {
 386                                                 msg->cm_fields['U'] = strdup(s);
 387                                         }
 388                                 }
 389
 390                                 /* Re-serialize it back into the msg body */
 391                                 ser = vcard_serialize(v);
 392                                 if (ser != NULL) {
 393                                         msg->cm_fields['M'] = realloc(
 394                                                 msg->cm_fields['M'],
 395                                                 strlen(ser) + 1024
 396                                         );
 397                                         sprintf(msg->cm_fields['M'],
 398                                                 "Content-type: text/x-vcard"
 399                                                 "\r\n\r\n%s\r\n", ser);
 400                                         free(ser);
 401                                 }
 402                                 vcard_free(v);
 403                         }
 404
 405                         /* Now allow the save to complete. */
 406                         return(0);
 407                 }
 408
 409                 ptr = strchr((char *)ptr, '\n');
 410                 if (ptr != NULL) ++ptr;
 411         }
 412
 413         return(0);
 414 }
 415
 416
 417
 418 /*
 419  * This handler detects whether the user is attempting to save a new
 420  * vCard as part of his/her personal configuration, and handles the replace
 421  * function accordingly (copy the vCard from the config room to the global
 422  * address book).
 423  */
 424 int vcard_upload_aftersave(struct CtdlMessage *msg) {
 425         char *ptr;
 426         int linelen;
 427         long I;
 428         struct vCard *v;
 429
 430         if (!CC->logged_in) return(0);  /* Only do this if logged in. */
 431
 432         /* If this isn't the configuration room, or if this isn't a MIME
 433          * message, don't bother.
 434          */
 435         if (msg->cm_fields['O'] == NULL) return(0);
 436         if (strcasecmp(msg->cm_fields['O'], USERCONFIGROOM)) return(0);
 437         if (msg->cm_format_type != 4) return(0);
 438
 439         ptr = msg->cm_fields['M'];
 440         if (ptr == NULL) return(0);
 441         while (ptr != NULL) {
 442
 443                 linelen = strcspn(ptr, "\n");
 444                 if (linelen == 0) return(0);    /* end of headers */
 445
 446                 if (!strncasecmp(ptr, "Content-type: text/x-vcard", 26)) {
 447                         /* Bingo!  The user is uploading a new vCard, so
 448                          * copy it to the Global Address Book room.
 449                          */
 450
 451                         I = atol(msg->cm_fields['I']);
 452                         if (I < 0L) return(0);
 453
 454                         /* Store our Internet return address in memory */
 455                         v = vcard_load(msg->cm_fields['M']);
 456                         vcard_populate_cs_inet_email(v);
 457                         vcard_free(v);
 458
 459                         /* Put it in the Global Address Book room... */
 460                         CtdlSaveMsgPointerInRoom(ADDRESS_BOOK_ROOM, I,
 461                                 (SM_VERIFY_GOODNESS | SM_DO_REPL_CHECK) );
 462
 463                         /* ...and also in the directory database. */
 464                         vcard_add_to_directory(I, NULL);
 465
 466                         /* Some sites want an Aide to be notified when a
 467                          * user registers or re-registers...
 468                          */
 469                         set_mm_valid();
 470
 471                         /* ...which also means we need to flag the user */
 472                         lgetuser(&CC->user, CC->curr_user);
 473                         CC->user.flags |= (US_REGIS|US_NEEDVALID);
 474                         lputuser(&CC->user);
 475
 476                         return(0);
 477                 }
 478
 479                 ptr = strchr((char *)ptr, '\n');
 480                 if (ptr != NULL) ++ptr;
 481         }
 482
 483         return(0);
 484 }
 485
 486
 487
 488 /*
 489  * back end function used for callbacks
 490  */
 491 void vcard_gu_backend(long msgnum, void *userdata) {
 492         VC->msgnum = msgnum;
 493 }
 494
 495
 496 /*
 497  * If this user has a vcard on disk, read it into memory, otherwise allocate
 498  * and return an empty vCard.
 499  */
 500 struct vCard *vcard_get_user(struct ctdluser *u) {
 501         char hold_rm[ROOMNAMELEN];
 502         char config_rm[ROOMNAMELEN];
 503         struct CtdlMessage *msg;
 504         struct vCard *v;
 505
 506         strcpy(hold_rm, CC->room.QRname);       /* save current room */
 507         MailboxName(config_rm, sizeof config_rm, u, USERCONFIGROOM);
 508
 509         if (getroom(&CC->room, config_rm) != 0) {
 510                 getroom(&CC->room, hold_rm);
 511                 return vcard_new();
 512         }
 513
 514         /* We want the last (and probably only) vcard in this room */
 515         VC->msgnum = (-1);
 516         CtdlForEachMessage(MSGS_LAST, 1, "text/x-vcard",
 517                 NULL, vcard_gu_backend, NULL);
 518         getroom(&CC->room, hold_rm);    /* return to saved room */
 519
 520         if (VC->msgnum < 0L) return vcard_new();
 521
 522         msg = CtdlFetchMessage(VC->msgnum, 1);
 523         if (msg == NULL) return vcard_new();
 524
 525         v = vcard_load(msg->cm_fields['M']);
 526         CtdlFreeMessage(msg);
 527         return v;
 528 }
 529
 530
 531 /*
 532  * Store this user's vCard in the appropriate place
 533  */
 534 /*
 535  * Write our config to disk
 536  */
 537 void vcard_write_user(struct ctdluser *u, struct vCard *v) {
 538         char temp[PATH_MAX];
 539         FILE *fp;
 540         char *ser;
 541
 542         strcpy(temp, tmpnam(NULL));
 543         ser = vcard_serialize(v);
 544
 545         fp = fopen(temp, "w");
 546         if (fp == NULL) return;
 547         if (ser == NULL) {
 548                 fprintf(fp, "begin:vcard\r\nend:vcard\r\n");
 549         } else {
 550                 fwrite(ser, strlen(ser), 1, fp);
 551                 free(ser);
 552         }
 553         fclose(fp);
 554
 555         /* This handy API function does all the work for us.
 556          * NOTE: normally we would want to set that last argument to 1, to
 557          * force the system to delete the user's old vCard.  But it doesn't
 558          * have to, because the vcard_upload_beforesave() hook above
 559          * is going to notice what we're trying to do, and delete the old vCard.
 560          */
 561         CtdlWriteObject(USERCONFIGROOM, /* which room */
 562                         "text/x-vcard", /* MIME type */
 563                         temp,           /* temp file */
 564                         u,              /* which user */
 565                         0,              /* not binary */
 566                         0,              /* don't delete others of this type */
 567                         0);             /* no flags */
 568
 569         unlink(temp);
 570 }
 571
 572
 573
 574 /*
 575  * Old style "enter registration info" command.  This function simply honors
 576  * the REGI protocol command, translates the entered parameters into a vCard,
 577  * and enters the vCard into the user's configuration.
 578  */
 579 void cmd_regi(char *argbuf) {
 580         int a,b,c;
 581         char buf[SIZ];
 582         struct vCard *my_vcard;
 583
 584         char tmpaddr[SIZ];
 585         char tmpcity[SIZ];
 586         char tmpstate[SIZ];
 587         char tmpzip[SIZ];
 588         char tmpaddress[SIZ];
 589         char tmpcountry[SIZ];
 590
 591         unbuffer_output();
 592
 593         if (!(CC->logged_in)) {
 594                 cprintf("%d Not logged in.\n",ERROR + NOT_LOGGED_IN);
 595                 return;
 596         }
 597
 598         my_vcard = vcard_get_user(&CC->user);
 599         strcpy(tmpaddr, "");
 600         strcpy(tmpcity, "");
 601         strcpy(tmpstate, "");
 602         strcpy(tmpzip, "");
 603         strcpy(tmpcountry, "USA");
 604
 605         cprintf("%d Send registration...\n", SEND_LISTING);
 606         a=0;
 607         while (client_getln(buf, sizeof buf), strcmp(buf,"000")) {
 608                 if (a==0) vcard_set_prop(my_vcard, "n", buf, 0);
 609                 if (a==1) strcpy(tmpaddr, buf);
 610                 if (a==2) strcpy(tmpcity, buf);
 611                 if (a==3) strcpy(tmpstate, buf);
 612                 if (a==4) {
 613                         for (c=0; c<strlen(buf); ++c) {
 614                                 if ((buf[c]>='0') && (buf[c]<='9')) {
 615                                         b = strlen(tmpzip);
 616                                         tmpzip[b] = buf[c];
 617                                         tmpzip[b+1] = 0;
 618                                 }
 619                         }
 620                 }
 621                 if (a==5) vcard_set_prop(my_vcard, "tel;home", buf, 0);
 622                 if (a==6) vcard_set_prop(my_vcard, "email;internet", buf, 0);
 623                 if (a==7) strcpy(tmpcountry, buf);
 624                 ++a;
 625         }
 626
 627         snprintf(tmpaddress, sizeof tmpaddress, ";;%s;%s;%s;%s;%s",
 628                 tmpaddr, tmpcity, tmpstate, tmpzip, tmpcountry);
 629         vcard_set_prop(my_vcard, "adr", tmpaddress, 0);
 630         vcard_write_user(&CC->user, my_vcard);
 631         vcard_free(my_vcard);
 632 }
 633
 634
 635 /*
 636  * Protocol command to fetch registration info for a user
 637  */
 638 void cmd_greg(char *argbuf)
 639 {
 640         struct ctdluser usbuf;
 641         struct vCard *v;
 642         char *s;
 643         char who[SIZ];
 644         char adr[SIZ];
 645         char buf[SIZ];
 646
 647         extract(who, argbuf, 0);
 648
 649         if (!(CC->logged_in)) {
 650                 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
 651                 return;
 652         }
 653
 654         if (!strcasecmp(who,"_SELF_")) strcpy(who,CC->curr_user);
 655
 656         if ((CC->user.axlevel < 6) && (strcasecmp(who,CC->curr_user))) {
 657                 cprintf("%d Higher access required.\n",
 658                         ERROR + HIGHER_ACCESS_REQUIRED);
 659                 return;
 660         }
 661
 662         if (getuser(&usbuf, who) != 0) {
 663                 cprintf("%d '%s' not found.\n", ERROR + NO_SUCH_USER, who);
 664                 return;
 665         }
 666
 667         v = vcard_get_user(&usbuf);
 668
 669         cprintf("%d %s\n", LISTING_FOLLOWS, usbuf.fullname);
 670         cprintf("%ld\n", usbuf.usernum);
 671         cprintf("%s\n", usbuf.password);
 672         s = vcard_get_prop(v, "n", 0, 0, 0);
 673         cprintf("%s\n", s ? s : " ");   /* name */
 674
 675         s = vcard_get_prop(v, "adr", 0, 0, 0);
 676         snprintf(adr, sizeof adr, "%s", s ? s : " ");/* address... */
 677
 678         extract_token(buf, adr, 2, ';');
 679         cprintf("%s\n", buf);                           /* street */
 680         extract_token(buf, adr, 3, ';');
 681         cprintf("%s\n", buf);                           /* city */
 682         extract_token(buf, adr, 4, ';');
 683         cprintf("%s\n", buf);                           /* state */
 684         extract_token(buf, adr, 5, ';');
 685         cprintf("%s\n", buf);                           /* zip */
 686
 687         s = vcard_get_prop(v, "tel;home", 0, 0, 0);
 688         if (s == NULL) s = vcard_get_prop(v, "tel", 1, 0, 0);
 689         if (s != NULL) {
 690                 cprintf("%s\n", s);
 691         }
 692         else {
 693                 cprintf(" \n");
 694         }
 695
 696         cprintf("%d\n", usbuf.axlevel);
 697
 698         s = vcard_get_prop(v, "email;internet", 0, 0, 0);
 699         cprintf("%s\n", s ? s : " ");
 700         s = vcard_get_prop(v, "adr", 0, 0, 0);
 701         snprintf(adr, sizeof adr, "%s", s ? s : " ");/* address... */
 702
 703         extract_token(buf, adr, 6, ';');
 704         cprintf("%s\n", buf);                           /* country */
 705         cprintf("000\n");
 706 }
 707
 708
 709 /*
 710  * When a user is being created, create his/her vCard.
 711  */
 712 void vcard_newuser(struct ctdluser *usbuf) {
 713         char buf[SIZ];
 714         char vname[SIZ];
 715
 716         char lastname[SIZ];
 717         char firstname[SIZ];
 718         char middlename[SIZ];
 719         char honorific_prefixes[SIZ];
 720         char honorific_suffixes[SIZ];
 721
 722         struct vCard *v;
 723         int i;
 724
 725         /* Try to intelligently convert the screen name to a
 726          * fully expanded vCard name based on the number of
 727          * words in the name
 728          */
 729         strcpy(lastname, "");
 730         strcpy(firstname, "");
 731         strcpy(middlename, "");
 732         strcpy(honorific_prefixes, "");
 733         strcpy(honorific_suffixes, "");
 734
 735         strcpy(buf, usbuf->fullname);
 736
 737         /* Honorific suffixes */
 738         if (num_tokens(buf, ',') > 1) {
 739                 extract_token(honorific_suffixes, buf, (num_tokens(buf, ' ') - 1), ',');
 740                 remove_token(buf, (num_tokens(buf, ',') - 1), ',');
 741         }
 742
 743         /* Find a last name */
 744         extract_token(lastname, buf, (num_tokens(buf, ' ') - 1), ' ');
 745         remove_token(buf, (num_tokens(buf, ' ') - 1), ' ');
 746
 747         /* Find honorific prefixes */
 748         if (num_tokens(buf, ' ') > 2) {
 749                 extract_token(honorific_prefixes, buf, 0, ' ');
 750                 remove_token(buf, 0, ' ');
 751         }
 752
 753         /* Find a middle name */
 754         if (num_tokens(buf, ' ') > 1) {
 755                 extract_token(middlename, buf, (num_tokens(buf, ' ') - 1), ' ');
 756                 remove_token(buf, (num_tokens(buf, ' ') - 1), ' ');
 757         }
 758
 759         /* Anything left is probably the first name */
 760         strcpy(firstname, buf);
 761         striplt(firstname);
 762
 763         /* Compose the structured name */
 764         sprintf(vname, "%s;%s;%s;%s;%s", lastname, firstname, middlename,
 765                 honorific_prefixes, honorific_suffixes);
 766
 767         lprintf(CTDL_DEBUG, "Converted <%s> to <%s>\n", usbuf->fullname, vname);
 768
 769         /* Create and save the vCard */
 770         v = vcard_new();
 771         if (v == NULL) return;
 772         sprintf(buf, "%s@%s", usbuf->fullname, config.c_fqdn);
 773         for (i=0; i<strlen(buf); ++i) {
 774                 if (buf[i] == ' ') buf[i] = '_';
 775         }
 776         vcard_add_prop(v, "fn", usbuf->fullname);
 777         vcard_add_prop(v, "n", vname);
 778         vcard_add_prop(v, "adr", "adr:;;_;_;_;00000;__");
 779         vcard_add_prop(v, "email;internet", buf);
 780         vcard_write_user(usbuf, v);
 781         vcard_free(v);
 782 }
 783
 784
 785 /*
 786  * When a user is being deleted, we have to remove his/her vCard.
 787  * This is accomplished by issuing a message with 'CANCEL' in the S (special)
 788  * field, and the same Exclusive ID as the existing card.
 789  */
 790 void vcard_purge(struct ctdluser *usbuf) {
 791         struct CtdlMessage *msg;
 792         char buf[SIZ];
 793
 794         msg = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
 795         if (msg == NULL) return;
 796         memset(msg, 0, sizeof(struct CtdlMessage));
 797
 798         msg->cm_magic = CTDLMESSAGE_MAGIC;
 799         msg->cm_anon_type = MES_NORMAL;
 800         msg->cm_format_type = 0;
 801         msg->cm_fields['A'] = strdup(usbuf->fullname);
 802         msg->cm_fields['O'] = strdup(ADDRESS_BOOK_ROOM);
 803         msg->cm_fields['N'] = strdup(NODENAME);
 804         msg->cm_fields['M'] = strdup("Purge this vCard\n");
 805
 806         snprintf(buf, sizeof buf, VCARD_EXT_FORMAT,
 807                         msg->cm_fields['A'], NODENAME);
 808         msg->cm_fields['E'] = strdup(buf);
 809
 810         msg->cm_fields['S'] = strdup("CANCEL");
 811
 812         CtdlSubmitMsg(msg, NULL, ADDRESS_BOOK_ROOM);
 813         CtdlFreeMessage(msg);
 814 }
 815
 816
 817 /*
 818  * Grab vCard directory stuff out of incoming network messages
 819  */
 820 int vcard_extract_from_network(struct CtdlMessage *msg, char *target_room) {
 821         char *ptr;
 822         int linelen;
 823
 824         if (msg == NULL) return(0);
 825
 826         if (strcasecmp(target_room, ADDRESS_BOOK_ROOM)) {
 827                 return(0);
 828         }
 829
 830         if (msg->cm_format_type != 4) return(0);
 831
 832         ptr = msg->cm_fields['M'];
 833         if (ptr == NULL) return(0);
 834         while (ptr != NULL) {
 835
 836                 linelen = strcspn(ptr, "\n");
 837                 if (linelen == 0) return(0);    /* end of headers */
 838
 839                 if (!strncasecmp(ptr, "Content-type: text/x-vcard", 26)) {
 840                          /* It's a vCard.  Add it to the directory. */
 841                         vcard_extract_internet_addresses(msg,
 842                                                         CtdlDirectoryAddUser);
 843                         return(0);
 844                 }
 845
 846                 ptr = strchr((char *)ptr, '\n');
 847                 if (ptr != NULL) ++ptr;
 848         }
 849
 850         return(0);
 851 }
 852
 853
 854
 855 /*
 856  * When a vCard is being removed from the Global Address Book room, remove it
 857  * from the directory as well.
 858  */
 859 void vcard_delete_remove(char *room, long msgnum) {
 860         struct CtdlMessage *msg;
 861         char *ptr;
 862         int linelen;
 863
 864         if (msgnum <= 0L) return;
 865
 866         if (strcasecmp(room, ADDRESS_BOOK_ROOM)) {
 867                 return;
 868         }
 869
 870         msg = CtdlFetchMessage(msgnum, 1);
 871         if (msg == NULL) return;
 872
 873         ptr = msg->cm_fields['M'];
 874         if (ptr == NULL) goto EOH;
 875         while (ptr != NULL) {
 876                 linelen = strcspn(ptr, "\n");
 877                 if (linelen == 0) goto EOH;
 878
 879                 if (!strncasecmp(ptr, "Content-type: text/x-vcard", 26)) {
 880                         /* Bingo!  A vCard is being deleted.
 881                         */
 882                         vcard_extract_internet_addresses(msg,
 883                                                         CtdlDirectoryDelUser);
 884 #ifdef HAVE_LDAP
 885                         ctdl_vcard_to_ldap(msg, V2L_DELETE);
 886 #endif
 887                 }
 888                 ptr = strchr((char *)ptr, '\n');
 889                 if (ptr != NULL) ++ptr;
 890         }
 891
 892 EOH:    CtdlFreeMessage(msg);
 893 }
 894
 895
 896
 897 /*
 898  * Query Directory
 899  */
 900 void cmd_qdir(char *argbuf) {
 901         char citadel_addr[SIZ];
 902         char internet_addr[SIZ];
 903
 904         if (CtdlAccessCheck(ac_logged_in)) return;
 905
 906         extract(internet_addr, argbuf, 0);
 907
 908         if (CtdlDirectoryLookup(citadel_addr, internet_addr) != 0) {
 909                 cprintf("%d %s was not found.\n",
 910                         ERROR + NO_SUCH_USER, internet_addr);
 911                 return;
 912         }
 913
 914         cprintf("%d %s\n", CIT_OK, citadel_addr);
 915 }
 916
 917
 918 /*
 919  * We don't know if the Contacts room exists so we just create it at login
 920  */
 921 void vcard_create_room(void)
 922 {
 923         struct ctdlroom qr;
 924         struct visit vbuf;
 925
 926         /* Create the calendar room if it doesn't already exist */
 927         create_room(USERCONTACTSROOM, 4, "", 0, 1, 0, VIEW_ADDRESSBOOK);
 928
 929         /* Set expiration policy to manual; otherwise objects will be lost! */
 930         if (lgetroom(&qr, USERCONTACTSROOM)) {
 931                 lprintf(CTDL_ERR, "Couldn't get the user CONTACTS room!\n");
 932                 return;
 933         }
 934         qr.QRep.expire_mode = EXPIRE_MANUAL;
 935         qr.QRdefaultview = VIEW_ADDRESSBOOK;    /* 2 = address book view */
 936         lputroom(&qr);
 937
 938         /* Set the view to a calendar view */
 939         CtdlGetRelationship(&vbuf, &CC->user, &qr);
 940         vbuf.v_view = 2;        /* 2 = address book view */
 941         CtdlSetRelationship(&vbuf, &CC->user, &qr);
 942
 943         return;
 944 }
 945
 946
 947
 948
 949 /*
 950  * Session startup, allocate some per-session data
 951  */
 952 void vcard_session_startup_hook(void) {
 953         CtdlAllocUserData(SYM_VCARD, sizeof(struct vcard_internal_info));
 954 }
 955
 956
 957 /*
 958  * When a user logs in...
 959  */
 960 void vcard_session_login_hook(void) {
 961         struct vCard *v;
 962
 963         v = vcard_get_user(&CC->user);
 964         vcard_populate_cs_inet_email(v);
 965
 966         vcard_free(v);
 967
 968         vcard_create_room();
 969 }
 970
 971
 972
 973 char *serv_vcard_init(void)
 974 {
 975         struct ctdlroom qr;
 976
 977         CtdlRegisterSessionHook(vcard_session_startup_hook, EVT_START);
 978         CtdlRegisterSessionHook(vcard_session_login_hook, EVT_LOGIN);
 979         CtdlRegisterMessageHook(vcard_upload_beforesave, EVT_BEFORESAVE);
 980         CtdlRegisterMessageHook(vcard_upload_aftersave, EVT_AFTERSAVE);
 981         CtdlRegisterDeleteHook(vcard_delete_remove);
 982         CtdlRegisterProtoHook(cmd_regi, "REGI", "Enter registration info");
 983         CtdlRegisterProtoHook(cmd_greg, "GREG", "Get registration info");
 984         CtdlRegisterProtoHook(cmd_igab, "IGAB",
 985                                         "Initialize Global Address Book");
 986         CtdlRegisterProtoHook(cmd_qdir, "QDIR", "Query Directory");
 987         CtdlRegisterUserHook(vcard_newuser, EVT_NEWUSER);
 988         CtdlRegisterUserHook(vcard_purge, EVT_PURGEUSER);
 989         CtdlRegisterNetprocHook(vcard_extract_from_network);
 990
 991         /* Create the Global ADdress Book room if necessary */
 992         create_room(ADDRESS_BOOK_ROOM, 3, "", 0, 1, 0, VIEW_ADDRESSBOOK);
 993
 994         /* Set expiration policy to manual; otherwise objects will be lost! */
 995         if (!lgetroom(&qr, ADDRESS_BOOK_ROOM)) {
 996                 qr.QRep.expire_mode = EXPIRE_MANUAL;
 997                 qr.QRdefaultview = VIEW_ADDRESSBOOK;    /* 2 = address book view */
 998                 lputroom(&qr);
 999         }
1000
1001         return "$Id$";
1002 }