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
  10 /*
  11  * Access level definitions.  This is initialized from a function rather than a
  12  * static array so that the strings may be localized.
  13  */
  14 char *axdefs[7];
  15
  16 void initialize_axdefs(void) {
  17         axdefs[0] = _("Deleted");       /* an erased user */
  18         axdefs[1] = _("New User");      /* a new user */
  19         axdefs[2] = _("Problem User");  /* a trouble maker */
  20         axdefs[3] = _("Local User");    /* user with normal privileges */
  21         axdefs[4] = _("Network User");  /* a user that may access network resources */
  22         axdefs[5] = _("Preferred User");/* a moderator */
  23         axdefs[6] = _("Aide");          /* chief */
  24 }
  25
  26
  27
  28
  29 /*
  30  * Display the login screen
  31  * mesg = the error message if last attempt failed.
  32  */
  33 void display_login(char *mesg)
  34 {
  35         char buf[SIZ];
  36
  37         output_headers(1, 1, 2, 0, 0, 0);
  38         wprintf("<div id=\"login_screen\">\n");
  39
  40         if (mesg != NULL) if (!IsEmptyStr(mesg)) {
  41                         stresc(buf, SIZ,  mesg, 0, 0);
  42                         svprintf(HKEY("MESG"), WCS_STRING, "%s", buf);
  43         }
  44
  45         svprintf(HKEY("LOGIN_INSTRUCTIONS"), WCS_STRING,
  46                 _("<ul>"
  47                 "<li><b>If you already have an account on %s</b>, "
  48                 "enter your user name and password and click &quot;Login.&quot; "
  49                 "<li><b>If you are a new user</b>, enter the name and password "
  50                 "you wish to use, "
  51                 "and click &quot;New User.&quot; "
  52                 "<li>Please log off properly when finished. "
  53                 "<li>You must use a browser that supports <i>frames</i> and "
  54                 "<i>cookies</i>. "
  55                 "<li>Also keep in mind that if your browser is "
  56                 "configured to block pop-up windows, you will not be able "
  57                 "to receive any instant messages.<br />"
  58                 "</ul>"),
  59                 serv_info.serv_humannode
  60         );
  61
  62         svput("USERNAME_BOX", WCS_STRING, _("User name:"));
  63         svput("PASSWORD_BOX", WCS_STRING, _("Password:"));
  64         svput("LANGUAGE_BOX", WCS_STRING, _("Language:"));
  65         svput("LOGIN_BUTTON", WCS_STRING, _("Login"));
  66         svput("NEWUSER_BUTTON", WCS_STRING, _("New User"));
  67         svput("EXIT_BUTTON", WCS_STRING, _("Exit"));
  68         svput("HELLO", WCS_SERVCMD, "MESG hello");
  69         svprintf(HKEY("BOXTITLE"), WCS_STRING, _("%s - powered by <a href=\"http://www.citadel.org\">Citadel</a>"),
  70                 serv_info.serv_humannode);
  71         svcallback("DO_LANGUAGE_BOX", offer_languages);
  72         if (serv_info.serv_newuser_disabled) {
  73                 svput("NEWUSER_BUTTON_PRE", WCS_STRING, "<div style=\"display:none;\">");
  74                 svput("NEWUSER_BUTTON_POST", WCS_STRING, "</div>");
  75         }
  76         else {
  77                 svput("NEWUSER_BUTTON_PRE", WCS_STRING, "");
  78                 svput("NEWUSER_BUTTON_POST", WCS_STRING, "");
  79         }
  80
  81 #ifdef TECH_PREVIEW
  82                 svprintf(HKEY("OFFER_OPENID_LOGIN"), WCS_STRING,
  83                         "<div align=center>"
  84                         "<a href=\"display_openid_login\">"
  85                         "<img src=\"static/openid-small.gif\" border=0 valign=middle>"
  86                         "%s</a>"
  87                         "</div>"
  88                         ,
  89                         "Log in using OpenID"
  90                 );
  91 #else
  92                 svput("OFFER_OPENID_LOGIN", WCS_STRING, "");
  93 #endif
  94
  95         do_template("login");
  96
  97         wDumpContent(2);
  98 }
  99
 100
 101
 102
 103 /*
 104  * Display the openid-enabled login screen
 105  * mesg = the error message if last attempt failed.
 106  */
 107 void display_openid_login(char *mesg)
 108 {
 109         char buf[SIZ];
 110
 111         output_headers(1, 1, 2, 0, 0, 0);
 112         wprintf("<div id=\"login_screen\">\n");
 113
 114         if (mesg != NULL) if (!IsEmptyStr(mesg)) {
 115                         stresc(buf, SIZ,  mesg, 0, 0);
 116                         svprintf(HKEY("MESG"), WCS_STRING, "%s", buf);
 117         }
 118
 119         svprintf(HKEY("LOGIN_INSTRUCTIONS"), WCS_STRING,
 120                 _("<ul>"
 121                 "<li>Enter your OpenID URL and click &quot;Login&quot;."
 122                 "<li>Please log off properly when finished. "
 123                 "<li>You must use a browser that supports <i>frames</i> and "
 124                 "<i>cookies</i>. "
 125                 "<li>Also keep in mind that if your browser is "
 126                 "configured to block pop-up windows, you will not be able "
 127                 "to receive any instant messages.<br />"
 128                 "</ul>")
 129         );
 130
 131         svput("OPENID_BOX", WCS_STRING, _("OpenID URL:"));
 132         svput("LANGUAGE_BOX", WCS_STRING, _("Language:"));
 133         svput("LOGIN_BUTTON", WCS_STRING, _("Login"));
 134         svput("EXIT_BUTTON", WCS_STRING, _("Exit"));
 135         svput("HELLO", WCS_SERVCMD, "MESG hello");
 136         svprintf(HKEY("BOXTITLE"), WCS_STRING, _("%s - powered by <a href=\"http://www.citadel.org\">Citadel</a>"),
 137                 serv_info.serv_humannode);
 138         svcallback("DO_LANGUAGE_BOX", offer_languages);
 139
 140         svprintf(HKEY("OFFER_CONVENTIONAL_LOGIN"), WCS_STRING,
 141                 "<div align=center>"
 142                 "<a href=\"display_login\">"
 143                 "%s</a>"
 144                 "</div>"
 145                 ,
 146                 "Log in using a user name and password"
 147         );
 148
 149         do_template("openid_login");
 150         wDumpContent(2);
 151 }
 152
 153
 154
 155
 156 /* Initialize the session
 157  *
 158  * This function needs to get called whenever the session changes from
 159  * not-logged-in to logged-in, either by an explicit login by the user or
 160  * by a timed-out session automatically re-establishing with a little help
 161  * from the browser cookie.  Either way, we need to load access controls and
 162  * preferences from the server.
 163  *
 164  * user                 the username
 165  * pass                 his password
 166  * serv_response        The parameters returned from a Citadel USER or NEWU command
 167  */
 168 void become_logged_in(char *user, char *pass, char *serv_response)
 169 {
 170         char buf[SIZ];
 171
 172         WC->logged_in = 1;
 173         extract_token(WC->wc_fullname, &serv_response[4], 0, '|', sizeof WC->wc_fullname);
 174         safestrncpy(WC->wc_username, user, sizeof WC->wc_username);
 175         safestrncpy(WC->wc_password, pass, sizeof WC->wc_password);
 176         WC->axlevel = extract_int(&serv_response[4], 1);
 177         if (WC->axlevel >= 6) {
 178                 WC->is_aide = 1;
 179         }
 180
 181         load_preferences();
 182
 183         serv_puts("CHEK");
 184         serv_getln(buf, sizeof buf);
 185         if (buf[0] == '2') {
 186                 WC->new_mail = extract_int(&buf[4], 0);
 187                 WC->need_regi = extract_int(&buf[4], 1);
 188                 WC->need_vali = extract_int(&buf[4], 2);
 189                 extract_token(WC->cs_inet_email, &buf[4], 3, '|', sizeof WC->cs_inet_email);
 190         }
 191
 192         get_preference("current_iconbar", buf, sizeof buf);
 193         WC->current_iconbar = atoi(buf);
 194
 195         get_preference("floordiv_expanded", WC->floordiv_expanded, sizeof WC->floordiv_expanded);
 196 }
 197
 198
 199 /*
 200  * Perform authentication using a user name and password
 201  */
 202 void do_login(void)
 203 {
 204         char buf[SIZ];
 205
 206         if (havebstr("language")) {
 207                 set_selected_language(bstr("language"));
 208                 go_selected_language();
 209         }
 210
 211         if (havebstr("exit_action")) {
 212                 do_logout();
 213                 return;
 214         }
 215         if (havebstr("login_action")) {
 216                 serv_printf("USER %s", bstr("name"));
 217                 serv_getln(buf, sizeof buf);
 218                 if (buf[0] == '3') {
 219                         serv_printf("PASS %s", bstr("pass"));
 220                         serv_getln(buf, sizeof buf);
 221                         if (buf[0] == '2') {
 222                                 become_logged_in(bstr("name"),
 223                                                  bstr("pass"), buf);
 224                         } else {
 225                                 display_login(&buf[4]);
 226                                 return;
 227                         }
 228                 } else {
 229                         display_login(&buf[4]);
 230                         return;
 231                 }
 232         }
 233         if (havebstr("newuser_action")) {
 234                 if (!havebstr("pass")) {
 235                         display_login(_("Blank passwords are not allowed."));
 236                         return;
 237                 }
 238                 serv_printf("NEWU %s", bstr("name"));
 239                 serv_getln(buf, sizeof buf);
 240                 if (buf[0] == '2') {
 241                         become_logged_in(bstr("name"), bstr("pass"), buf);
 242                         serv_printf("SETP %s", bstr("pass"));
 243                         serv_getln(buf, sizeof buf);
 244                 } else {
 245                         display_login(&buf[4]);
 246                         return;
 247                 }
 248         }
 249         if (WC->logged_in) {
 250                 if (WC->need_regi) {
 251                         display_reg(1);
 252                 } else {
 253                         do_welcome();
 254                 }
 255         } else {
 256                 display_login(_("Your password was not accepted."));
 257         }
 258
 259 }
 260
 261
 262 /*
 263  * Locate a <link> tag and, given its 'rel=' parameter, return its 'href' parameter
 264  */
 265 void extract_link(char *target_buf, int target_size, char *rel, char *source_buf)
 266 {
 267         char *ptr = source_buf;
 268
 269         if (!target_buf) return;
 270         if (!rel) return;
 271         if (!source_buf) return;
 272
 273         target_buf[0] = 0;
 274
 275         while (ptr = bmstrcasestr(ptr, "<link"), ptr != NULL) {
 276
 277                 char work_buffer[1024];
 278                 char *link_tag_start = NULL;
 279                 char *link_tag_end = NULL;
 280
 281                 char rel_tag[1024];
 282                 char href_tag[1024];
 283
 284                 link_tag_start = ptr;
 285                 link_tag_end = strchr(ptr, '>');
 286                 rel_tag[0] = 0;
 287                 href_tag[0] = 0;
 288
 289                 if ((link_tag_end) && (link_tag_end > link_tag_start)) {
 290                         int len;
 291                         len = link_tag_end - link_tag_start;
 292                         if (len > sizeof work_buffer) len = sizeof work_buffer;
 293                         memcpy(work_buffer, link_tag_start, len);
 294
 295                         char *rel_start = NULL;
 296                         char *rel_end = NULL;
 297                         rel_start = bmstrcasestr(work_buffer, "rel=");
 298                         if (rel_start) {
 299                                 rel_start = strchr(rel_start, '\"');
 300                                 if (rel_start) {
 301                                         ++rel_start;
 302                                         rel_end = strchr(rel_start, '\"');
 303                                         if ((rel_end) && (rel_end > rel_start)) {
 304                                                 safestrncpy(rel_tag, rel_start, rel_end - rel_start + 1);
 305                                         }
 306                                 }
 307                         }
 308
 309                         char *href_start = NULL;
 310                         char *href_end = NULL;
 311                         href_start = bmstrcasestr(work_buffer, "href=");
 312                         if (href_start) {
 313                                 href_start = strchr(href_start, '\"');
 314                                 if (href_start) {
 315                                         ++href_start;
 316                                         href_end = strchr(href_start, '\"');
 317                                         if ((href_end) && (href_end > href_start)) {
 318                                                 safestrncpy(href_tag, href_start, href_end - href_start + 1);
 319                                         }
 320                                 }
 321                         }
 322
 323                         if (!strcasecmp(rel, rel_tag)) {
 324                                 safestrncpy(target_buf, href_tag, target_size);
 325                                 return;
 326                         }
 327
 328                 }
 329
 330         ++ptr;
 331         }
 332
 333
 334 }
 335
 336
 337 /*
 338  * Perform authentication using OpenID
 339  * assemble the checkid_immediate request and then redirect to the user's identity provider
 340  */
 341 void do_openid_login(void)
 342 {
 343         int i;
 344         char buf[4096];
 345
 346         if (havebstr("language")) {
 347                 set_selected_language(bstr("language"));
 348                 go_selected_language();
 349         }
 350
 351         if (havebstr("exit_action")) {
 352                 do_logout();
 353                 return;
 354         }
 355         if (havebstr("login_action")) {
 356                 i = fetch_http(bstr("openid_url"), buf, sizeof buf - 1);
 357                 buf[sizeof buf - 1] = 0;
 358                 if (i > 0) {
 359                         char openid_server[1024];
 360                         char openid_delegate[1024];
 361
 362                         extract_link(openid_server, sizeof openid_server, "openid.server", buf);
 363                         extract_link(openid_delegate, sizeof openid_delegate, "openid.delegate", buf);
 364
 365                         /* Empty delegate is legal; we just use the openid_url instead */
 366                         if (IsEmptyStr(openid_delegate)) {
 367                                 safestrncpy(openid_delegate, bstr("openid_url"), sizeof openid_delegate);
 368                         }
 369
 370                         /* Now we know where to redirect to. */
 371
 372                         char redirect_string[4096];
 373                         char escaped_identity[1024];
 374                         char escaped_return_to[1024];
 375                         char escaped_trust_root[1024];
 376
 377                         stresc(escaped_identity, sizeof escaped_identity, openid_delegate, 0, 1);
 378
 379                         snprintf(buf, sizeof buf, "%s://%s/finish_openid_login",
 380                                 (is_https ? "https" : "http"), WC->http_host);
 381                         stresc(escaped_return_to, sizeof escaped_identity, buf, 0, 1);
 382
 383                         snprintf(buf, sizeof buf, "%s://%s",
 384                                 (is_https ? "https" : "http"), WC->http_host);
 385                         stresc(escaped_trust_root, sizeof escaped_identity, buf, 0, 1);
 386
 387                         snprintf(redirect_string, sizeof redirect_string,
 388                                 "%s"
 389                                 "?openid.mode=checkid_immediate"
 390                                 "&openid_identity=%s"
 391                                 "&openid.return_to=%s"
 392                                 "&openid.trust_root=%s"
 393                                 ,
 394                                 openid_server, escaped_identity, escaped_return_to, escaped_trust_root
 395                         );
 396                         http_redirect(redirect_string);
 397                         return;
 398                 }
 399         }
 400
 401         /* If we get to this point then something failed. */
 402         display_openid_login(_("Your password was not accepted."));
 403 }
 404
 405 /*
 406  * Perform authentication using OpenID
 407  * assemble the checkid_immediate request and then redirect to the user's identity provider
 408  */
 409 void finish_openid_login(void)
 410 {
 411         if (havebstr("openid.user_setup_url")) {
 412                 http_redirect(bstr("openid.user_setup_url"));
 413                 return;
 414         }
 415
 416         if (havebstr("openid.mode")) {
 417                 if (!strcasecmp(bstr("openid.mode"), "error")) {
 418                         if (havebstr("openid.error")) {
 419                                 display_openid_login(bstr("openid.error"));
 420                         }
 421                         else {
 422                                 display_openid_login(_("Your password was not accepted."));
 423                         }
 424                         return;
 425                 }
 426         }
 427
 428
 429         // FIXME finish this
 430
 431         if (WC->logged_in) {
 432                 if (WC->need_regi) {
 433                         display_reg(1);
 434                 } else {
 435                         do_welcome();
 436                 }
 437         } else {
 438                 display_openid_login(_("Your password was not accepted."));
 439         }
 440
 441 }
 442
 443
 444
 445
 446
 447
 448
 449
 450 /*
 451  * display the user a welcome screen.
 452  *
 453  * if this is the first time login, and the web based setup is enabled,
 454  * lead the user through the setup routines
 455  */
 456 void do_welcome(void)
 457 {
 458         char buf[SIZ];
 459 #ifdef XXX_NOT_FINISHED_YET_XXX
 460         FILE *fp;
 461         int i;
 462
 463         /**
 464          * See if we have to run the first-time setup wizard
 465          */
 466         if (WC->is_aide) {
 467                 if (!setup_wizard) {
 468                         int len;
 469                         sprintf(wizard_filename, "setupwiz.%s.%s",
 470                                 ctdlhost, ctdlport);
 471                         len = strlen(wizard_filename);
 472                         for (i=0; i<len; ++i) {
 473                                 if (    (wizard_filename[i]==' ')
 474                                         || (wizard_filename[i] == '/')
 475                                 ) {
 476                                         wizard_filename[i] = '_';
 477                                 }
 478                         }
 479
 480                         fp = fopen(wizard_filename, "r");
 481                         if (fp != NULL) {
 482                                 fgets(buf, sizeof buf, fp);
 483                                 buf[strlen(buf)-1] = 0;
 484                                 fclose(fp);
 485                                 if (atoi(buf) == serv_info.serv_rev_level) {
 486                                         setup_wizard = 1; /**< already run */
 487                                 }
 488                         }
 489                 }
 490
 491                 if (!setup_wizard) {
 492                         http_redirect("setup_wizard");
 493                 }
 494         }
 495 #endif
 496
 497         /*
 498          * Go to the user's preferred start page
 499          */
 500         get_preference("startpage", buf, sizeof buf);
 501         if (IsEmptyStr(buf)) {
 502                 safestrncpy(buf, "dotskip&room=_BASEROOM_", sizeof buf);
 503                 set_preference("startpage", buf, 1);
 504         }
 505         if (buf[0] == '/') {
 506                 strcpy(buf, &buf[1]);
 507         }
 508         http_redirect(buf);
 509 }
 510
 511
 512 /*
 513  * Disconnect from the Citadel server, and end this WebCit session
 514  */
 515 void end_webcit_session(void) {
 516         char buf[256];
 517
 518         if (WC->logged_in) {
 519                 sprintf(buf, "%d", WC->current_iconbar);
 520                 set_preference("current_iconbar", buf, 0);
 521                 set_preference("floordiv_expanded", WC->floordiv_expanded, 1);
 522         }
 523
 524         serv_puts("QUIT");
 525         WC->killthis = 1;
 526         /* close() of citadel socket will be done by do_housekeeping() */
 527 }
 528
 529 /*
 530  * execute the logout
 531  */
 532 void do_logout(void)
 533 {
 534         char buf[SIZ];
 535
 536         safestrncpy(WC->wc_username, "", sizeof WC->wc_username);
 537         safestrncpy(WC->wc_password, "", sizeof WC->wc_password);
 538         safestrncpy(WC->wc_roomname, "", sizeof WC->wc_roomname);
 539         safestrncpy(WC->wc_fullname, "", sizeof WC->wc_fullname);
 540
 541         /** Calling output_headers() this way causes the cookies to be un-set */
 542         output_headers(1, 1, 0, 1, 0, 0);
 543
 544         wprintf("<div id=\"logout_screen\">");
 545         wprintf("<div class=\"box\">");
 546         wprintf("<div class=\"boxlabel\">");
 547         wprintf(_("Log off"));
 548         wprintf("</div><div class=\"boxcontent\">");
 549         serv_puts("MESG goodbye");
 550         serv_getln(buf, sizeof buf);
 551
 552         if (WC->serv_sock >= 0) {
 553                 if (buf[0] == '1') {
 554                         fmout("CENTER");
 555                 } else {
 556                         wprintf("Goodbye\n");
 557                 }
 558         }
 559         else {
 560                 wprintf(_("This program was unable to connect or stay "
 561                         "connected to the Citadel server.  Please report "
 562                         "this problem to your system administrator.")
 563                 );
 564                 wprintf("<a href=\"http://www.citadel.org/doku.php/"
 565                         "faq:mastering_your_os:net#netstat\">%s</a>",
 566                         _("Read More..."));
 567         }
 568
 569         wprintf("<hr /><div class=\"buttons\"> "
 570                 "<span class=\"button_link\"><a href=\".\">");
 571         wprintf(_("Log in again"));
 572         wprintf("</a></span>&nbsp;&nbsp;&nbsp;<span class=\"button_link\">"
 573                 "<a href=\"javascript:window.close();\">");
 574         wprintf(_("Close window"));
 575         wprintf("</a></span></div></div></div></div>\n");
 576         wDumpContent(2);
 577         end_webcit_session();
 578 }
 579
 580
 581 /*
 582  * validate new users
 583  */
 584 void validate(void)
 585 {
 586         char cmd[SIZ];
 587         char user[SIZ];
 588         char buf[SIZ];
 589         int a;
 590
 591         output_headers(1, 1, 2, 0, 0, 0);
 592         wprintf("<div id=\"banner\">\n");
 593         wprintf("<h1>");
 594         wprintf(_("Validate new users"));
 595         wprintf("</h1>");
 596         wprintf("</div>\n");
 597
 598         wprintf("<div id=\"content\" class=\"service\">\n");
 599
 600         /* If the user just submitted a validation, process it... */
 601         safestrncpy(buf, bstr("user"), sizeof buf);
 602         if (!IsEmptyStr(buf)) {
 603                 if (havebstr("axlevel")) {
 604                         serv_printf("VALI %s|%s", buf, bstr("axlevel"));
 605                         serv_getln(buf, sizeof buf);
 606                         if (buf[0] != '2') {
 607                                 wprintf("<b>%s</b><br />\n", &buf[4]);
 608                         }
 609                 }
 610         }
 611
 612         /* Now see if any more users require validation. */
 613         serv_puts("GNUR");
 614         serv_getln(buf, sizeof buf);
 615         if (buf[0] == '2') {
 616                 wprintf("<b>");
 617                 wprintf(_("No users require validation at this time."));
 618                 wprintf("</b><br />\n");
 619                 wDumpContent(1);
 620                 return;
 621         }
 622         if (buf[0] != '3') {
 623                 wprintf("<b>%s</b><br />\n", &buf[4]);
 624                 wDumpContent(1);
 625                 return;
 626         }
 627
 628         wprintf("<div class=\"fix_scrollbar_bug\">"
 629                 "<table class=\"auth_validate\"><tr><td>\n");
 630         wprintf("<center>");
 631
 632         safestrncpy(user, &buf[4], sizeof user);
 633         serv_printf("GREG %s", user);
 634         serv_getln(cmd, sizeof cmd);
 635         if (cmd[0] == '1') {
 636                 a = 0;
 637                 do {
 638                         serv_getln(buf, sizeof buf);
 639                         ++a;
 640                         if (a == 1)
 641                                 wprintf("#%s<br /><H1>%s</H1>",
 642                                         buf, &cmd[4]);
 643                         if (a == 2)
 644                                 wprintf("PW: %s<br />\n", buf);
 645                         if (a == 3)
 646                                 wprintf("%s<br />\n", buf);
 647                         if (a == 4)
 648                                 wprintf("%s<br />\n", buf);
 649                         if (a == 5)
 650                                 wprintf("%s, ", buf);
 651                         if (a == 6)
 652                                 wprintf("%s ", buf);
 653                         if (a == 7)
 654                                 wprintf("%s<br />\n", buf);
 655                         if (a == 8)
 656                                 wprintf("%s<br />\n", buf);
 657                         if (a == 9)
 658                                 wprintf(_("Current access level: %d (%s)\n"),
 659                                         atoi(buf), axdefs[atoi(buf)]);
 660                 } while (strcmp(buf, "000"));
 661         } else {
 662                 wprintf("<H1>%s</H1>%s<br />\n", user, &cmd[4]);
 663         }
 664
 665         wprintf("<hr />");
 666         wprintf(_("Select access level for this user:"));
 667         wprintf("<br />\n");
 668         for (a = 0; a <= 6; ++a) {
 669                 wprintf("<a href=\"validate?nonce=%ld?user=", WC->nonce);
 670                 urlescputs(user);
 671                 wprintf("&axlevel=%d\">%s</A>&nbsp;&nbsp;&nbsp;\n",
 672                         a, axdefs[a]);
 673         }
 674         wprintf("<br />\n");
 675
 676         wprintf("</CENTER>\n");
 677         wprintf("</td></tr></table></div>\n");
 678         wDumpContent(1);
 679 }
 680
 681
 682
 683 /*
 684  * Display form for registration.
 685  *
 686  * (Set during_login to 1 if this registration is being performed during
 687  * new user login and will require chaining to the proper screen.)
 688  */
 689 void display_reg(int during_login)
 690 {
 691         long vcard_msgnum;
 692
 693         if (goto_config_room() != 0) {
 694                 if (during_login) do_welcome();
 695                 else display_main_menu();
 696                 return;
 697         }
 698
 699         vcard_msgnum = locate_user_vcard(WC->wc_fullname, -1);
 700         if (vcard_msgnum < 0L) {
 701                 if (during_login) do_welcome();
 702                 else display_main_menu();
 703                 return;
 704         }
 705
 706         if (during_login) {
 707                 do_edit_vcard(vcard_msgnum, "1", "do_welcome", USERCONFIGROOM);
 708         }
 709         else {
 710                 do_edit_vcard(vcard_msgnum, "1", "display_main_menu", USERCONFIGROOM);
 711         }
 712
 713 }
 714
 715
 716
 717
 718 /*
 719  * display form for changing your password
 720  */
 721 void display_changepw(void)
 722 {
 723         char buf[SIZ];
 724
 725         output_headers(1, 1, 1, 0, 0, 0);
 726
 727         svput("BOXTITLE", WCS_STRING, _("Change your password"));
 728         do_template("beginbox");
 729
 730         if (!IsEmptyStr(WC->ImportantMessage)) {
 731                 wprintf("<span class=\"errormsg\">"
 732                         "%s</span><br />\n", WC->ImportantMessage);
 733                 safestrncpy(WC->ImportantMessage, "", sizeof WC->ImportantMessage);
 734         }
 735
 736         serv_puts("MESG changepw");
 737         serv_getln(buf, sizeof buf);
 738         if (buf[0] == '1') {
 739                 fmout("CENTER");
 740         }
 741
 742         wprintf("<form name=\"changepwform\" action=\"changepw\" method=\"post\">\n");
 743         wprintf("<input type=\"hidden\" name=\"nonce\" value=\"%ld\">\n", WC->nonce);
 744         wprintf("<table class=\"altern\" ");
 745         wprintf("<tr class=\"even\"><td>");
 746         wprintf(_("Enter new password:"));
 747         wprintf("</td><td>");
 748         wprintf("<input type=\"password\" name=\"newpass1\" value=\"\" maxlength=\"20\"></td></tr>\n");
 749         wprintf("<tr class=\"odd\"><td>");
 750         wprintf(_("Enter it again to confirm:"));
 751         wprintf("</td><td>");
 752         wprintf("<input type=\"password\" name=\"newpass2\" value=\"\" maxlength=\"20\"></td></tr>\n");
 753         wprintf("</table>\n");
 754
 755         wprintf("<div class=\"buttons\">\n");
 756         wprintf("<input type=\"submit\" name=\"change_action\" value=\"%s\">", _("Change password"));
 757         wprintf("&nbsp;");
 758         wprintf("<input type=\"submit\" name=\"cancel_action\" value=\"%s\">\n", _("Cancel"));
 759         wprintf("</div>\n");
 760         wprintf("</form>\n");
 761
 762         do_template("endbox");
 763         wDumpContent(1);
 764 }
 765
 766 /*
 767  * change password
 768  * if passwords match, propagate it to citserver.
 769  */
 770 void changepw(void)
 771 {
 772         char buf[SIZ];
 773         char newpass1[32], newpass2[32];
 774
 775         if (!havebstr("change_action")) {
 776                 safestrncpy(WC->ImportantMessage,
 777                         _("Cancelled.  Password was not changed."),
 778                         sizeof WC->ImportantMessage);
 779                 display_main_menu();
 780                 return;
 781         }
 782
 783         safestrncpy(newpass1, bstr("newpass1"), sizeof newpass1);
 784         safestrncpy(newpass2, bstr("newpass2"), sizeof newpass2);
 785
 786         if (strcasecmp(newpass1, newpass2)) {
 787                 safestrncpy(WC->ImportantMessage,
 788                         _("They don't match.  Password was not changed."),
 789                         sizeof WC->ImportantMessage);
 790                 display_changepw();
 791                 return;
 792         }
 793
 794         if (IsEmptyStr(newpass1)) {
 795                 safestrncpy(WC->ImportantMessage,
 796                         _("Blank passwords are not allowed."),
 797                         sizeof WC->ImportantMessage);
 798                 display_changepw();
 799                 return;
 800         }
 801
 802         serv_printf("SETP %s", newpass1);
 803         serv_getln(buf, sizeof buf);
 804         sprintf(WC->ImportantMessage, "%s", &buf[4]);
 805         if (buf[0] == '2') {
 806                 safestrncpy(WC->wc_password, buf, sizeof WC->wc_password);
 807                 display_main_menu();
 808         }
 809         else {
 810                 display_changepw();
 811         }
 812 }
 813
 814
 815
 816 void InitModule_AUTH(void)
 817 {
 818         WebcitAddUrlHandler(HKEY("do_welcome"), do_welcome, 0);
 819         return ;
 820 }