webcit/auth.c

   1 /*
   2  * $Id$
   3  *
   4  * WebcitAuth; Handles authentication of users to a Citadel server.
   5  */
   6
   7 #include "webcit.h"
   8 #include "webserver.h"
   9 #include <ctype.h>
  10
  11
  12 void display_reg(int during_login);
  13
  14 /*
  15  * Access level definitions.  This is initialized from a function rather than a
  16  * static array so that the strings may be localized.
  17  */
  18 char *axdefs[7];
  19
  20 void initialize_axdefs(void) {
  21         axdefs[0] = _("Deleted");       /* an erased user */
  22         axdefs[1] = _("New User");      /* a new user */
  23         axdefs[2] = _("Problem User");  /* a trouble maker */
  24         axdefs[3] = _("Local User");    /* user with normal privileges */
  25         axdefs[4] = _("Network User");  /* a user that may access network resources */
  26         axdefs[5] = _("Preferred User");/* a moderator */
  27         axdefs[6] = _("Aide");          /* chief */
  28 }
  29
  30
  31
  32
  33 /*
  34  * Display the login screen
  35  * mesg = the error message if last attempt failed.
  36  */
  37 void display_login(void)
  38 {
  39         begin_burst();
  40         output_headers(1, 0, 0, 0, 1, 0);
  41         do_template("login", NULL);
  42         end_burst();
  43 }
  44
  45
  46
  47
  48 /*
  49  * Display the openid-enabled login screen
  50  * mesg = the error message if last attempt failed.
  51  */
  52 void display_openid_login(char *mesg)
  53 {
  54   begin_burst();
  55   output_headers(1, 0, 0, 0, 1, 0);
  56   do_template("openid_login", NULL);
  57   end_burst();
  58 }
  59
  60
  61 void display_openid_name_request(const StrBuf *claimed_id, const StrBuf *username)
  62 {
  63         StrBuf *Buf = NULL;
  64
  65         output_headers(1, 1, 2, 0, 0, 0);
  66         wprintf("<div id=\"login_screen\">\n");
  67
  68         Buf = NewStrBufPlain(NULL, StrLength(claimed_id));
  69         StrEscAppend(Buf, claimed_id, NULL, 0, 0);
  70         svprintf(HKEY("VERIFIED"), WCS_STRING, _("Your OpenID <tt>%s</tt> was successfully verified."),
  71                  ChrPtr(Buf));
  72         SVPutBuf("CLAIMED_ID", Buf, 0);
  73
  74
  75         if (StrLength(username) > 0) {
  76                         Buf = NewStrBufPlain(NULL, StrLength(username));
  77                         StrEscAppend(Buf, claimed_id, NULL, 0, 0);
  78                         svprintf(HKEY("REASON"), WCS_STRING,
  79                                  _("However, the user name '%s' conflicts with an existing user."),
  80                                  ChrPtr(Buf));
  81                         FreeStrBuf(&Buf);
  82         }
  83         else {
  84                 svput("REASON", WCS_STRING, "");
  85         }
  86
  87         svput("ACTION_REQUESTED", WCS_STRING, _("Please specify the user name you would like to use."));
  88
  89         svput("USERNAME_BOX", WCS_STRING, _("User name:"));
  90         svput("NEWUSER_BUTTON", WCS_STRING, _("New User"));
  91         svput("EXIT_BUTTON", WCS_STRING, _("Exit"));
  92
  93         svprintf(HKEY("BOXTITLE"), WCS_STRING, _("%s - powered by <a href=\"http://www.citadel.org\">Citadel</a>"),
  94                  ChrPtr(WC->serv_info->serv_humannode));
  95
  96         do_template("openid_manual_create", NULL);
  97         wDumpContent(2);
  98 }
  99
 100
 101
 102 /* Initialize the session
 103  *
 104  * This function needs to get called whenever the session changes from
 105  * not-logged-in to logged-in, either by an explicit login by the user or
 106  * by a timed-out session automatically re-establishing with a little help
 107  * from the browser cookie.  Either way, we need to load access controls and
 108  * preferences from the server.
 109  *
 110  * user                 the username
 111  * pass                 his password
 112  * serv_response        The parameters returned from a Citadel USER or NEWU command
 113  */
 114 void become_logged_in(const StrBuf *user, const StrBuf *pass, StrBuf *serv_response)
 115 {
 116         wcsession *WCC = WC;
 117         char buf[SIZ];
 118         StrBuf *FloorDiv;
 119         StrBuf *Language = NULL;
 120
 121         WC->logged_in = 1;
 122
 123         if (WCC->wc_fullname == NULL)
 124                 WCC->wc_fullname = NewStrBufPlain(NULL, StrLength(serv_response));
 125         StrBufExtract_token(WCC->wc_fullname, serv_response, 0, '|');
 126         StrBufCutLeft(WCC->wc_fullname, 4 );
 127
 128         if (WCC->wc_username == NULL)
 129                 WCC->wc_username = NewStrBufDup(user);
 130         else {
 131                 FlushStrBuf(WCC->wc_username);
 132                 StrBufAppendBuf(WCC->wc_username, user, 0);
 133         }
 134
 135         if (WCC->wc_password == NULL)
 136                 WCC->wc_password = NewStrBufDup(pass);
 137         else {
 138                 FlushStrBuf(WCC->wc_password);
 139                 StrBufAppendBuf(WCC->wc_password, pass, 0);
 140         }
 141
 142         WCC->axlevel = StrBufExtract_int(serv_response, 1, '|');
 143         if (WCC->axlevel >= 6) { /* TODO: make this a define, else it might trick us later */
 144                 WCC->is_aide = 1;
 145         }
 146
 147         load_preferences();
 148
 149         serv_puts("CHEK");
 150         serv_getln(buf, sizeof buf);
 151         if (buf[0] == '2') {
 152                 WC->new_mail = extract_int(&buf[4], 0);
 153                 WC->need_regi = extract_int(&buf[4], 1);
 154                 WC->need_vali = extract_int(&buf[4], 2);
 155                 extract_token(WC->cs_inet_email, &buf[4], 3, '|', sizeof WC->cs_inet_email);
 156         }
 157         if (havebstr("language"))
 158                 set_preference("language", NewStrBufDup(SBSTR("language")), 1);
 159         else {
 160                 get_preference("language", &Language);
 161                 if (Language != NULL) {
 162                         set_selected_language(ChrPtr(Language));
 163                         go_selected_language();         /* set locale */
 164                 }
 165         }
 166         get_preference("floordiv_expanded", &FloorDiv);
 167         WC->floordiv_expanded = FloorDiv;
 168 }
 169
 170
 171 /*
 172  * Perform authentication using a user name and password
 173  */
 174 void do_login(void)
 175 {
 176         wcsession *WCC = WC;
 177         StrBuf *Buf;
 178
 179         if (havebstr("language")) {
 180                 set_selected_language(bstr("language"));
 181                 go_selected_language();
 182         }
 183
 184         if (havebstr("exit_action")) {
 185                 do_logout();
 186                 return;
 187         }
 188         Buf = NewStrBuf();
 189         if (havebstr("login_action")) {
 190                 serv_printf("USER %s", bstr("name"));
 191                 StrBuf_ServGetln(Buf);
 192                 if (GetServerStatus(Buf, NULL) == 3) {
 193                         serv_printf("PASS %s", bstr("pass"));
 194                         StrBuf_ServGetln(Buf);
 195                         if (GetServerStatus(Buf, NULL) == 2) {
 196                                 become_logged_in(sbstr("name"), sbstr("pass"), Buf);
 197                         } else {
 198                                 snprintf(WCC->ImportantMessage,
 199                                          sizeof (WCC->ImportantMessage),
 200                                          "%s",
 201                                          &(ChrPtr(Buf))[4]);
 202                                 display_login();
 203                                 FreeStrBuf(&Buf);
 204                                 return;
 205                         }
 206                 } else {
 207                         snprintf(WCC->ImportantMessage,
 208                                  sizeof (WCC->ImportantMessage),
 209                                  "%s",
 210                                  &(ChrPtr(Buf))[4]);
 211                         display_login();
 212                         FreeStrBuf(&Buf);
 213                         return;
 214                 }
 215         }
 216         if (havebstr("newuser_action")) {
 217                 if (!havebstr("pass")) {
 218                         snprintf(WCC->ImportantMessage,
 219                                  sizeof (WCC->ImportantMessage),
 220                                  "%s",
 221                                  _("Blank passwords are not allowed."));
 222                         display_login();
 223                         FreeStrBuf(&Buf);
 224                         return;
 225                 }
 226                 serv_printf("NEWU %s", bstr("name"));
 227                 StrBuf_ServGetln(Buf);
 228                 if (GetServerStatus(Buf, NULL) == 2) {
 229                         become_logged_in(sbstr("name"), sbstr("pass"), Buf);
 230                         serv_printf("SETP %s", bstr("pass"));
 231                         StrBuf_ServGetln(Buf); /* Don't care? */
 232                 } else {
 233                         snprintf(WCC->ImportantMessage,
 234                                  sizeof (WCC->ImportantMessage),
 235                                  "%s",
 236                                  &(ChrPtr(Buf))[4]);
 237                         display_login();
 238                         FreeStrBuf(&Buf);
 239                         return;
 240                 }
 241         }
 242         if (WCC->logged_in) {
 243                 if (WCC->need_regi) {
 244                         display_reg(1);
 245                 } else if (WCC->need_vali) {
 246                         validate();
 247                 } else {
 248                         do_welcome();
 249                 }
 250         } else {
 251                 snprintf(WCC->ImportantMessage,
 252                          sizeof (WCC->ImportantMessage),
 253                          "%s",
 254                          _("Your password was not accepted."));
 255                 display_login();
 256         }
 257         FreeStrBuf(&Buf);
 258 }
 259
 260 /*
 261  * Try to create an account manually after an OpenID was verified
 262  */
 263 void openid_manual_create(void)
 264 {
 265         StrBuf *Buf;
 266
 267         if (havebstr("exit_action")) {
 268                 do_logout();
 269                 return;
 270         }
 271
 272         if (havebstr("newuser_action")) {
 273                 Buf = NewStrBuf();
 274                 serv_printf("OIDC %s", bstr("name"));
 275                 StrBuf_ServGetln(Buf);
 276                 if (GetServerStatus(Buf, NULL) == 2) {
 277                         StrBuf *gpass;
 278
 279                         gpass = NewStrBuf();
 280                         serv_puts("SETP GENERATE_RANDOM_PASSWORD");
 281                         StrBuf_ServGetln(gpass);
 282                         StrBufCutLeft(gpass, 4);
 283                         become_logged_in(sbstr("name"), gpass, Buf);
 284                         FreeStrBuf(&gpass);
 285                 }
 286                 FreeStrBuf(&Buf);
 287         }
 288
 289         if (WC->logged_in) {
 290                 if (WC->need_regi) {
 291                         display_reg(1);
 292                 } else if (WC->need_vali) {
 293                         validate();
 294                 } else {
 295                         do_welcome();
 296                 }
 297         } else {
 298                 display_openid_name_request(sbstr("openid_url"), sbstr("name"));
 299         }
 300
 301 }
 302
 303
 304 /*
 305  * Perform authentication using OpenID
 306  * assemble the checkid_setup request and then redirect to the user's identity provider
 307  */
 308 void do_openid_login(void)
 309 {
 310         wcsession *WCC = WC;
 311         char buf[4096];
 312
 313         if (havebstr("language")) {
 314                 set_selected_language(bstr("language"));
 315                 go_selected_language();
 316         }
 317
 318         if (havebstr("exit_action")) {
 319                 do_logout();
 320                 return;
 321         }
 322         if (havebstr("login_action")) {
 323                 snprintf(buf, sizeof buf,
 324                         "OIDS %s|%s://%s/finalize_openid_login|%s://%s",
 325                         bstr("openid_url"),
 326                          (is_https ? "https" : "http"), ChrPtr(WCC->http_host),
 327                          (is_https ? "https" : "http"), ChrPtr(WCC->http_host)
 328                 );
 329
 330                 serv_puts(buf);
 331                 serv_getln(buf, sizeof buf);
 332                 if (buf[0] == '2') {
 333                         lprintf(CTDL_DEBUG, "OpenID server contacted; redirecting to %s\n", &buf[4]);
 334                         http_redirect(&buf[4]);
 335                         return;
 336                 }
 337                 else {
 338                         display_openid_login(&buf[4]);
 339                         return;
 340                 }
 341         }
 342
 343         /* If we get to this point then something failed. */
 344         display_openid_login(_("Your password was not accepted."));
 345 }
 346
 347 /*
 348  * Complete the authentication using OpenID
 349  * This function handles the positive or negative assertion from the user's Identity Provider
 350  */
 351 void finalize_openid_login(void)
 352 {
 353         StrBuf *Buf;
 354         wcsession *WCC = WC;
 355         int already_logged_in = (WCC->logged_in) ;
 356         int linecount = 0;
 357         StrBuf *result = NULL;
 358         StrBuf *username = NULL;
 359         StrBuf *password = NULL;
 360         StrBuf *logged_in_response = NULL;
 361         StrBuf *claimed_id = NULL;
 362
 363         if (havebstr("openid.mode")) {
 364                 if (!strcasecmp(bstr("openid.mode"), "id_res")) {
 365                         Buf = NewStrBuf();
 366                         serv_puts("OIDF");
 367                         StrBuf_ServGetln(Buf);
 368                         if (GetServerStatus(Buf, NULL) == 8) {
 369                                 urlcontent *u;
 370                                 void *U;
 371                                 long HKLen;
 372                                 const char *HKey;
 373                                 HashPos *Cursor;
 374
 375                                 Cursor = GetNewHashPos (WCC->urlstrings, 0);
 376                                 while (GetNextHashPos(WCC->urlstrings, Cursor, &HKLen, &HKey, &U)) {
 377                                         u = (urlcontent*) U;
 378                                         if (!strncasecmp(u->url_key, "openid.", 7)) {
 379                                                 serv_printf("%s|%s", &u->url_key[7], ChrPtr(u->url_data));
 380                                         }
 381                                 }
 382
 383                                 serv_puts("000");
 384
 385                                 linecount = 0;
 386                                 while (StrBuf_ServGetln(Buf), strcmp(ChrPtr(Buf), "000"))
 387                                 {
 388                                         if (linecount == 0) result = NewStrBufDup(Buf);
 389                                         if (!strcasecmp(ChrPtr(result), "authenticate")) {
 390                                                 if (linecount == 1) {
 391                                                         username = NewStrBufDup(Buf);
 392                                                 }
 393                                                 else if (linecount == 2) {
 394                                                         password = NewStrBufDup(Buf);
 395                                                 }
 396                                                 else if (linecount == 3) {
 397                                                         logged_in_response = NewStrBufDup(Buf);
 398                                                 }
 399                                         }
 400                                         else if (!strcasecmp(ChrPtr(result), "verify_only")) {
 401                                                 if (linecount == 1) {
 402                                                         claimed_id = NewStrBufDup(Buf);
 403                                                 }
 404                                                 if (linecount == 2) {
 405                                                         username = NewStrBufDup(Buf);
 406                                                 }
 407                                         }
 408                                         ++linecount;
 409                                 }
 410                         }
 411                         FreeStrBuf(&Buf);
 412                 }
 413         }
 414
 415         /* If we were already logged in, this was an attempt to associate an OpenID account */
 416         if (already_logged_in) {
 417                 display_openids();
 418                 FreeStrBuf(&result);
 419                 FreeStrBuf(&username);
 420                 FreeStrBuf(&password);
 421                 FreeStrBuf(&claimed_id);
 422                 FreeStrBuf(&logged_in_response);
 423                 return;
 424         }
 425
 426         /* If this operation logged us in, either by connecting with an existing account or by
 427          * auto-creating one using Simple Registration Extension, we're already on our way.
 428          */
 429         if (!strcasecmp(ChrPtr(result), "authenticate")) {
 430                 become_logged_in(username, password, logged_in_response);
 431         }
 432
 433         /* The specified OpenID was verified but the desired user name was either not specified via SRI
 434          * or conflicts with an existing user.  Either way the user will need to specify a new name.
 435          */
 436
 437         else if (!strcasecmp(ChrPtr(result), "verify_only")) {
 438                 display_openid_name_request(claimed_id, username);
 439         }
 440
 441         /* Did we manage to log in?  If so, continue with the normal flow... */
 442         if (WC->logged_in) {
 443                 if (WC->need_regi) {
 444                         display_reg(1);
 445                 } else {
 446                         do_welcome();
 447                 }
 448         } else {
 449                 display_openid_login(_("Your password was not accepted."));
 450         }
 451
 452         FreeStrBuf(&result);
 453         FreeStrBuf(&username);
 454         FreeStrBuf(&password);
 455         FreeStrBuf(&claimed_id);
 456         FreeStrBuf(&logged_in_response);
 457 }
 458
 459
 460 /*
 461  * Display a welcome screen to the user.
 462  *
 463  * If this is the first time login, and the web based setup is enabled,
 464  * lead the user through the setup routines
 465  */
 466 void do_welcome(void)
 467 {
 468         StrBuf *Buf;
 469 #ifdef XXX_NOT_FINISHED_YET_XXX
 470         FILE *fp;
 471         int i;
 472
 473         /**
 474          * See if we have to run the first-time setup wizard
 475          */
 476         if (WC->is_aide) {
 477                 if (!setup_wizard) {
 478                         int len;
 479                         sprintf(wizard_filename, "setupwiz.%s.%s",
 480                                 ctdlhost, ctdlport);
 481                         len = strlen(wizard_filename);
 482                         for (i=0; i<len; ++i) {
 483                                 if (    (wizard_filename[i]==' ')
 484                                         || (wizard_filename[i] == '/')
 485                                 ) {
 486                                         wizard_filename[i] = '_';
 487                                 }
 488                         }
 489
 490                         fp = fopen(wizard_filename, "r");
 491                         if (fp != NULL) {
 492                                 fgets(buf, sizeof buf, fp);
 493                                 buf[strlen(buf)-1] = 0;
 494                                 fclose(fp);
 495                                 if (atoi(buf) == serv_info.serv_rev_level) {
 496                                         setup_wizard = 1; /**< already run */
 497                                 }
 498                         }
 499                 }
 500
 501                 if (!setup_wizard) {
 502                         http_redirect("setup_wizard");
 503                 }
 504         }
 505 #endif
 506
 507         /*
 508          * Go to the user's preferred start page
 509          */
 510         if (!get_preference("startpage", &Buf)) {
 511                 Buf = NewStrBuf ();
 512                 StrBufPrintf(Buf, "dotskip&room=_BASEROOM_");
 513                 set_preference("startpage", Buf, 1);
 514         }
 515         if (ChrPtr(Buf)[0] == '/') {
 516                 StrBufCutLeft(Buf, 1);
 517         }
 518         if (StrLength(Buf) == 0)
 519                 StrBufAppendBufPlain(Buf, "dotgoto?room=_BASEROOM_", -1, 0);
 520         http_redirect(ChrPtr(Buf));
 521 }
 522
 523
 524 /*
 525  * Disconnect from the Citadel server, and end this WebCit session
 526  */
 527 void end_webcit_session(void) {
 528
 529         serv_puts("QUIT");
 530         WC->killthis = 1;
 531         /* close() of citadel socket will be done by do_housekeeping() */
 532 }
 533
 534 /*
 535  * execute the logout
 536  */
 537 void do_logout(void)
 538 {
 539         wcsession *WCC = WC;
 540         char buf[SIZ];
 541
 542         FlushStrBuf(WCC->wc_username);
 543         FlushStrBuf(WCC->wc_password);
 544         FlushStrBuf(WCC->wc_roomname);
 545         FlushStrBuf(WCC->wc_fullname);
 546
 547         /* FIXME: this is to suppress the iconbar displaying, because we aren't
 548            actually logged out yet */
 549         WCC->logged_in = 0;
 550
 551         /** Calling output_headers() this way causes the cookies to be un-set */
 552         output_headers(1, 1, 0, 1, 0, 0);
 553
 554         wprintf("<div id=\"logout_screen\">");
 555         wprintf("<div class=\"box\">");
 556         wprintf("<div class=\"boxlabel\">");
 557         wprintf(_("Log off"));
 558         wprintf("</div><div class=\"boxcontent\">");
 559         serv_puts("MESG goodbye");
 560         serv_getln(buf, sizeof buf);
 561
 562         if (WCC->serv_sock >= 0) {
 563                 if (buf[0] == '1') {
 564                         fmout("CENTER");
 565                 } else {
 566                         wprintf("Goodbye\n");
 567                 }
 568         }
 569         else {
 570                 wprintf(_("This program was unable to connect or stay "
 571                         "connected to the Citadel server.  Please report "
 572                         "this problem to your system administrator.")
 573                 );
 574                 wprintf("<a href=\"http://www.citadel.org/doku.php/"
 575                         "faq:mastering_your_os:net#netstat\">%s</a>",
 576                         _("Read More..."));
 577         }
 578
 579         wprintf("<hr /><div class=\"buttons\"> "
 580                 "<span class=\"button_link\"><a href=\".\">");
 581         wprintf(_("Log in again"));
 582         wprintf("</a></span>&nbsp;&nbsp;&nbsp;<span class=\"button_link\">"
 583                 "<a href=\"javascript:window.close();\">");
 584         wprintf(_("Close window"));
 585         wprintf("</a></span></div></div></div></div>\n");
 586         wDumpContent(2);
 587         end_webcit_session();
 588 }
 589
 590
 591 /*
 592  * validate new users
 593  */
 594 void validate(void)
 595 {
 596         char cmd[SIZ];
 597         char user[SIZ];
 598         char buf[SIZ];
 599         int a;
 600
 601         output_headers(1, 1, 2, 0, 0, 0);
 602         wprintf("<div id=\"banner\">\n");
 603         wprintf("<h1>");
 604         wprintf(_("Validate new users"));
 605         wprintf("</h1>");
 606         wprintf("</div>\n");
 607
 608         wprintf("<div id=\"content\" class=\"service\">\n");
 609
 610         /* If the user just submitted a validation, process it... */
 611         safestrncpy(buf, bstr("user"), sizeof buf);
 612         if (!IsEmptyStr(buf)) {
 613                 if (havebstr("axlevel")) {
 614                         serv_printf("VALI %s|%s", buf, bstr("axlevel"));
 615                         serv_getln(buf, sizeof buf);
 616                         if (buf[0] != '2') {
 617                                 wprintf("<b>%s</b><br>\n", &buf[4]);
 618                         }
 619                 }
 620         }
 621
 622         /* Now see if any more users require validation. */
 623         serv_puts("GNUR");
 624         serv_getln(buf, sizeof buf);
 625         if (buf[0] == '2') {
 626                 wprintf("<b>");
 627                 wprintf(_("No users require validation at this time."));
 628                 wprintf("</b><br>\n");
 629                 wDumpContent(1);
 630                 return;
 631         }
 632         if (buf[0] != '3') {
 633                 wprintf("<b>%s</b><br>\n", &buf[4]);
 634                 wDumpContent(1);
 635                 return;
 636         }
 637
 638         wprintf("<div class=\"fix_scrollbar_bug\">"
 639                 "<table class=\"auth_validate\"><tr><td>\n");
 640         wprintf("<div id=\"validate\">");
 641
 642         safestrncpy(user, &buf[4], sizeof user);
 643         serv_printf("GREG %s", user);
 644         serv_getln(cmd, sizeof cmd);
 645         if (cmd[0] == '1') {
 646                 a = 0;
 647                 do {
 648                         serv_getln(buf, sizeof buf);
 649                         ++a;
 650                         if (a == 1)
 651                                 wprintf("#%s<br><H1>%s</H1>",
 652                                         buf, &cmd[4]);
 653                         if (a == 2) {
 654                                 char *pch;
 655                                 int haveChar = 0;
 656                                 int haveNum = 0;
 657                                 int haveOther = 0;
 658                                 int count = 0;
 659                                 pch = buf;
 660                                 while (!IsEmptyStr(pch))
 661                                 {
 662                                         if (isdigit(*pch))
 663                                                 haveNum = 1;
 664                                         else if (isalpha(*pch))
 665                                                 haveChar = 1;
 666                                         else
 667                                                 haveOther = 1;
 668                                         pch ++;
 669                                 }
 670                                 count = pch - buf;
 671                                 if (count > 7)
 672                                         count = 0;
 673                                 switch (count){
 674                                 case 0:
 675                                         pch = _("very weak");
 676                                         break;
 677                                 case 1:
 678                                         pch = _("weak");
 679                                         break;
 680                                 case 2:
 681                                         pch = _("ok");
 682                                         break;
 683                                 case 3:
 684                                 default:
 685                                         pch = _("strong");
 686                                 }
 687
 688                                 wprintf("PW: %s<br>\n", pch);
 689                         }
 690                         if (a == 3)
 691                                 wprintf("%s<br>\n", buf);
 692                         if (a == 4)
 693                                 wprintf("%s<br>\n", buf);
 694                         if (a == 5)
 695                                 wprintf("%s, ", buf);
 696                         if (a == 6)
 697                                 wprintf("%s ", buf);
 698                         if (a == 7)
 699                                 wprintf("%s<br>\n", buf);
 700                         if (a == 8)
 701                                 wprintf("%s<br>\n", buf);
 702                         if (a == 9)
 703                                 wprintf(_("Current access level: %d (%s)\n"),
 704                                         atoi(buf), axdefs[atoi(buf)]);
 705                 } while (strcmp(buf, "000"));
 706         } else {
 707                 wprintf("<H1>%s</H1>%s<br />\n", user, &cmd[4]);
 708         }
 709
 710         wprintf("<hr />");
 711         wprintf(_("Select access level for this user:"));
 712         wprintf("<br />\n");
 713         for (a = 0; a <= 6; ++a) {
 714                 wprintf("<a href=\"validate?nonce=%d?user=", WC->nonce);
 715                 urlescputs(user);
 716                 wprintf("&axlevel=%d\">%s</A>&nbsp;&nbsp;&nbsp;\n",
 717                         a, axdefs[a]);
 718         }
 719         wprintf("<br />\n");
 720
 721         wprintf("</div>\n");
 722         wprintf("</td></tr></table></div>\n");
 723         wDumpContent(1);
 724 }
 725
 726
 727
 728 /*
 729  * Display form for registration.
 730  *
 731  * (Set during_login to 1 if this registration is being performed during
 732  * new user login and will require chaining to the proper screen.)
 733  */
 734 void display_reg(int during_login)
 735 {
 736         message_summary *VCMsg;
 737         wc_mime_attachment *VCAtt;
 738         long vcard_msgnum;
 739
 740         if (goto_config_room() != 0) {
 741                 if (during_login) do_welcome();
 742                 else display_main_menu();
 743                 return;
 744         }
 745
 746         vcard_msgnum = locate_user_vcard_in_this_room(&VCMsg, &VCAtt);
 747         if (vcard_msgnum < 0L) {
 748                 if (during_login) do_welcome();
 749                 else display_main_menu();
 750                 return;
 751         }
 752
 753         if (during_login) {
 754                 do_edit_vcard(vcard_msgnum, "1", VCMsg, VCAtt, "do_welcome", USERCONFIGROOM);
 755         }
 756         else {
 757                 do_edit_vcard(vcard_msgnum, "1", VCMsg, VCAtt, "display_main_menu", USERCONFIGROOM);
 758         }
 759
 760 }
 761
 762
 763
 764
 765 /*
 766  * display form for changing your password
 767  */
 768 void display_changepw(void)
 769 {
 770         WCTemplputParams SubTP;
 771         char buf[SIZ];
 772         StrBuf *Buf;
 773         output_headers(1, 1, 1, 0, 0, 0);
 774
 775         Buf = NewStrBufPlain(_("Change your password"), -1);
 776         memset(&SubTP, 0, sizeof(WCTemplputParams));
 777         SubTP.Filter.ContextType = CTX_STRBUF;
 778         SubTP.Context = Buf;
 779         DoTemplate(HKEY("beginbox"), NULL, &SubTP);
 780
 781         FreeStrBuf(&Buf);
 782
 783         if (!IsEmptyStr(WC->ImportantMessage)) {
 784                 wprintf("<span class=\"errormsg\">"
 785                         "%s</span><br />\n", WC->ImportantMessage);
 786                 safestrncpy(WC->ImportantMessage, "", sizeof WC->ImportantMessage);
 787         }
 788
 789         serv_puts("MESG changepw");
 790         serv_getln(buf, sizeof buf);
 791         if (buf[0] == '1') {
 792                 fmout("CENTER");
 793         }
 794
 795         wprintf("<form name=\"changepwform\" action=\"changepw\" method=\"post\">\n");
 796         wprintf("<input type=\"hidden\" name=\"nonce\" value=\"%d\">\n", WC->nonce);
 797         wprintf("<table class=\"altern\" ");
 798         wprintf("<tr class=\"even\"><td>");
 799         wprintf(_("Enter new password:"));
 800         wprintf("</td><td>");
 801         wprintf("<input type=\"password\" name=\"newpass1\" value=\"\" maxlength=\"20\"></td></tr>\n");
 802         wprintf("<tr class=\"odd\"><td>");
 803         wprintf(_("Enter it again to confirm:"));
 804         wprintf("</td><td>");
 805         wprintf("<input type=\"password\" name=\"newpass2\" value=\"\" maxlength=\"20\"></td></tr>\n");
 806         wprintf("</table>\n");
 807
 808         wprintf("<div class=\"buttons\">\n");
 809         wprintf("<input type=\"submit\" name=\"change_action\" value=\"%s\">", _("Change password"));
 810         wprintf("&nbsp;");
 811         wprintf("<input type=\"submit\" name=\"cancel_action\" value=\"%s\">\n", _("Cancel"));
 812         wprintf("</div>\n");
 813         wprintf("</form>\n");
 814
 815         do_template("endbox", NULL);
 816         wDumpContent(1);
 817 }
 818
 819 /*
 820  * change password
 821  * if passwords match, propagate it to citserver.
 822  */
 823 void changepw(void)
 824 {
 825         char buf[SIZ];
 826         char newpass1[32], newpass2[32];
 827
 828         if (!havebstr("change_action")) {
 829                 safestrncpy(WC->ImportantMessage,
 830                         _("Cancelled.  Password was not changed."),
 831                         sizeof WC->ImportantMessage);
 832                 display_main_menu();
 833                 return;
 834         }
 835
 836         safestrncpy(newpass1, bstr("newpass1"), sizeof newpass1);
 837         safestrncpy(newpass2, bstr("newpass2"), sizeof newpass2);
 838
 839         if (strcasecmp(newpass1, newpass2)) {
 840                 safestrncpy(WC->ImportantMessage,
 841                         _("They don't match.  Password was not changed."),
 842                         sizeof WC->ImportantMessage);
 843                 display_changepw();
 844                 return;
 845         }
 846
 847         if (IsEmptyStr(newpass1)) {
 848                 safestrncpy(WC->ImportantMessage,
 849                         _("Blank passwords are not allowed."),
 850                         sizeof WC->ImportantMessage);
 851                 display_changepw();
 852                 return;
 853         }
 854
 855         serv_printf("SETP %s", newpass1);
 856         serv_getln(buf, sizeof buf);
 857         sprintf(WC->ImportantMessage, "%s", &buf[4]);
 858         if (buf[0] == '2') {
 859                 if (WC->wc_password == NULL)
 860                         WC->wc_password = NewStrBufPlain(buf, -1);
 861                 else {
 862                         FlushStrBuf(WC->wc_password);
 863                         StrBufAppendBufPlain(WC->wc_password,  buf, -1, 0);
 864                 }
 865                 display_main_menu();
 866         }
 867         else {
 868                 display_changepw();
 869         }
 870 }
 871
 872 int ConditionalAide(StrBuf *Target, WCTemplputParams *TP)
 873 {
 874         return (WC->is_aide == 0);
 875 }
 876
 877 int ConditionalRoomAide(StrBuf *Target, WCTemplputParams *TP)
 878 {
 879         return (WC->is_room_aide == 0);
 880 }
 881
 882 int ConditionalIsLoggedIn(StrBuf *Target, WCTemplputParams *TP) {
 883   return (WC->logged_in == 0);
 884 }
 885 int ConditionalRoomAcessDelete(StrBuf *Target, WCTemplputParams *TP)
 886 {
 887         wcsession *WCC = WC;
 888         return ( (WCC->is_room_aide) || (WCC->is_mailbox) || (WCC->room_flags2 & QR2_COLLABDEL) );
 889 }
 890
 891
 892
 893 void _display_openid_login(void) {display_openid_login(NULL);}
 894 void _display_reg(void) {display_reg(0);}
 895
 896
 897 void
 898 InitModule_AUTH
 899 (void)
 900 {
 901         WebcitAddUrlHandler(HKEY("do_welcome"), do_welcome, ANONYMOUS);
 902         WebcitAddUrlHandler(HKEY("login"), do_login, ANONYMOUS);
 903         WebcitAddUrlHandler(HKEY("display_openid_login"), _display_openid_login, ANONYMOUS);
 904         WebcitAddUrlHandler(HKEY("openid_login"), do_openid_login, ANONYMOUS);
 905         WebcitAddUrlHandler(HKEY("finalize_openid_login"), finalize_openid_login, ANONYMOUS);
 906         WebcitAddUrlHandler(HKEY("openid_manual_create"), openid_manual_create, ANONYMOUS);
 907         WebcitAddUrlHandler(HKEY("do_logout"), do_logout, 0);
 908         WebcitAddUrlHandler(HKEY("validate"), validate, 0);
 909         WebcitAddUrlHandler(HKEY("display_reg"), _display_reg, 0);
 910         WebcitAddUrlHandler(HKEY("display_changepw"), display_changepw, 0);
 911         WebcitAddUrlHandler(HKEY("changepw"), changepw, 0);
 912         WebcitAddUrlHandler(HKEY("termquit"), do_logout, 0);
 913
 914         RegisterConditional(HKEY("COND:AIDE"), 2, ConditionalAide, CTX_NONE);
 915         RegisterConditional(HKEY("COND:ROOMAIDE"), 2, ConditionalRoomAide, CTX_NONE);
 916         RegisterConditional(HKEY("COND:ACCESS:DELETE"), 2, ConditionalRoomAcessDelete, CTX_NONE);
 917         RegisterConditional(HKEY("COND:LOGGEDIN"), 2, ConditionalIsLoggedIn, CTX_NONE);
 918
 919         return ;
 920 }