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