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
 264 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN">
 265 <html>
 266 <head>
 267   <link rel="openid.server" href="http://uncensored.citadel.org/~ajc/MyID.config.php">
 268   <link rel="openid.delegate" href="http://uncensored.citadel.org/~ajc/MyID.config.php">
 269   <title>IGnatius T Foobar</title>
 270 </head>
 271 <body text="#00ff00" bgcolor="#000000" link="#ffff00">
 272
 273 */
 274
 275
 276
 277 /*
 278  * Locate a <link> tag and, given its 'rel=' parameter, return its 'href' parameter
 279  */
 280 void extract_link(char *target_buf, int target_size, char *rel, char *source_buf)
 281 {
 282         char *ptr = source_buf;
 283
 284         if (!target_buf) return;
 285         if (!rel) return;
 286         if (!source_buf) return;
 287
 288         target_buf[0] = 0;
 289
 290         while (ptr = bmstrcasestr(ptr, "<link"), ptr != NULL) {
 291
 292                 char work_buffer[1024];
 293                 char *link_tag_start = NULL;
 294                 char *link_tag_end = NULL;
 295
 296                 char rel_tag[1024];
 297                 char href_tag[1024];
 298
 299                 link_tag_start = ptr;
 300                 link_tag_end = strchr(ptr, '>');
 301                 rel_tag[0] = 0;
 302                 href_tag[0] = 0;
 303
 304                 if ((link_tag_end) && (link_tag_end > link_tag_start)) {
 305                         int len;
 306                         len = link_tag_end - link_tag_start;
 307                         if (len > sizeof work_buffer) len = sizeof work_buffer;
 308                         memcpy(work_buffer, link_tag_start, len);
 309
 310                         char *rel_start = NULL;
 311                         char *rel_end = NULL;
 312                         rel_start = bmstrcasestr(work_buffer, "rel=");
 313                         if (rel_start) {
 314                                 rel_start = strchr(rel_start, '\"');
 315                                 if (rel_start) {
 316                                         ++rel_start;
 317                                         rel_end = strchr(rel_start, '\"');
 318                                         if ((rel_end) && (rel_end > rel_start)) {
 319                                                 safestrncpy(rel_tag, rel_start, rel_end - rel_start + 1);
 320                                         }
 321                                 }
 322                         }
 323
 324                         char *href_start = NULL;
 325                         char *href_end = NULL;
 326                         href_start = bmstrcasestr(work_buffer, "href=");
 327                         if (href_start) {
 328                                 href_start = strchr(href_start, '\"');
 329                                 if (href_start) {
 330                                         ++href_start;
 331                                         href_end = strchr(href_start, '\"');
 332                                         if ((href_end) && (href_end > href_start)) {
 333                                                 safestrncpy(href_tag, href_start, href_end - href_start + 1);
 334                                         }
 335                                 }
 336                         }
 337
 338                         if (!strcasecmp(rel, rel_tag)) {
 339                                 safestrncpy(target_buf, href_tag, target_size);
 340                                 return;
 341                         }
 342
 343                 }
 344
 345         ++ptr;
 346         }
 347
 348
 349 }
 350
 351
 352 /*
 353  * Perform authentication using OpenID
 354  */
 355 void do_openid_login(void)
 356 {
 357         int i;
 358         char buf[4096];
 359
 360         if (havebstr("language")) {
 361                 set_selected_language(bstr("language"));
 362                 go_selected_language();
 363         }
 364
 365         if (havebstr("exit_action")) {
 366                 do_logout();
 367                 return;
 368         }
 369         if (havebstr("login_action")) {
 370                 i = fetch_http(bstr("openid_url"), buf, sizeof buf - 1);
 371                 buf[sizeof buf - 1] = 0;
 372                 if (i > 0) {
 373                         char openid_server[1024];
 374                         char openid_delegate[1024];
 375
 376                         extract_link(openid_server, sizeof openid_server, "openid.server", buf);
 377                         extract_link(openid_delegate, sizeof openid_delegate, "openid.delegate", buf);
 378
 379                         lprintf(9, "  Server: %s\n", openid_server);
 380                         lprintf(9, "Delegate: %s\n", openid_delegate);
 381                         // FIXME finish this
 382                 }
 383         }
 384         if (WC->logged_in) {
 385                 if (WC->need_regi) {
 386                         display_reg(1);
 387                 } else {
 388                         do_welcome();
 389                 }
 390         } else {
 391                 display_openid_login(_("Your password was not accepted."));
 392         }
 393
 394 }
 395
 396
 397
 398
 399
 400
 401
 402
 403 /*
 404  * display the user a welcome screen.
 405  *
 406  * if this is the first time login, and the web based setup is enabled,
 407  * lead the user through the setup routines
 408  */
 409 void do_welcome(void)
 410 {
 411         char buf[SIZ];
 412 #ifdef XXX_NOT_FINISHED_YET_XXX
 413         FILE *fp;
 414         int i;
 415
 416         /**
 417          * See if we have to run the first-time setup wizard
 418          */
 419         if (WC->is_aide) {
 420                 if (!setup_wizard) {
 421                         int len;
 422                         sprintf(wizard_filename, "setupwiz.%s.%s",
 423                                 ctdlhost, ctdlport);
 424                         len = strlen(wizard_filename);
 425                         for (i=0; i<len; ++i) {
 426                                 if (    (wizard_filename[i]==' ')
 427                                         || (wizard_filename[i] == '/')
 428                                 ) {
 429                                         wizard_filename[i] = '_';
 430                                 }
 431                         }
 432
 433                         fp = fopen(wizard_filename, "r");
 434                         if (fp != NULL) {
 435                                 fgets(buf, sizeof buf, fp);
 436                                 buf[strlen(buf)-1] = 0;
 437                                 fclose(fp);
 438                                 if (atoi(buf) == serv_info.serv_rev_level) {
 439                                         setup_wizard = 1; /**< already run */
 440                                 }
 441                         }
 442                 }
 443
 444                 if (!setup_wizard) {
 445                         http_redirect("setup_wizard");
 446                 }
 447         }
 448 #endif
 449
 450         /*
 451          * Go to the user's preferred start page
 452          */
 453         get_preference("startpage", buf, sizeof buf);
 454         if (IsEmptyStr(buf)) {
 455                 safestrncpy(buf, "dotskip&room=_BASEROOM_", sizeof buf);
 456                 set_preference("startpage", buf, 1);
 457         }
 458         if (buf[0] == '/') {
 459                 strcpy(buf, &buf[1]);
 460         }
 461         http_redirect(buf);
 462 }
 463
 464
 465 /*
 466  * Disconnect from the Citadel server, and end this WebCit session
 467  */
 468 void end_webcit_session(void) {
 469         char buf[256];
 470
 471         if (WC->logged_in) {
 472                 sprintf(buf, "%d", WC->current_iconbar);
 473                 set_preference("current_iconbar", buf, 0);
 474                 set_preference("floordiv_expanded", WC->floordiv_expanded, 1);
 475         }
 476
 477         serv_puts("QUIT");
 478         WC->killthis = 1;
 479         /* close() of citadel socket will be done by do_housekeeping() */
 480 }
 481
 482 /*
 483  * execute the logout
 484  */
 485 void do_logout(void)
 486 {
 487         char buf[SIZ];
 488
 489         safestrncpy(WC->wc_username, "", sizeof WC->wc_username);
 490         safestrncpy(WC->wc_password, "", sizeof WC->wc_password);
 491         safestrncpy(WC->wc_roomname, "", sizeof WC->wc_roomname);
 492         safestrncpy(WC->wc_fullname, "", sizeof WC->wc_fullname);
 493
 494         /** Calling output_headers() this way causes the cookies to be un-set */
 495         output_headers(1, 1, 0, 1, 0, 0);
 496
 497         wprintf("<div id=\"logout_screen\">");
 498         wprintf("<div class=\"box\">");
 499         wprintf("<div class=\"boxlabel\">");
 500         wprintf(_("Log off"));
 501         wprintf("</div><div class=\"boxcontent\">");
 502         serv_puts("MESG goodbye");
 503         serv_getln(buf, sizeof buf);
 504
 505         if (WC->serv_sock >= 0) {
 506                 if (buf[0] == '1') {
 507                         fmout("CENTER");
 508                 } else {
 509                         wprintf("Goodbye\n");
 510                 }
 511         }
 512         else {
 513                 wprintf(_("This program was unable to connect or stay "
 514                         "connected to the Citadel server.  Please report "
 515                         "this problem to your system administrator.")
 516                 );
 517                 wprintf("<a href=\"http://www.citadel.org/doku.php/"
 518                         "faq:mastering_your_os:net#netstat\">%s</a>",
 519                         _("Read More..."));
 520         }
 521
 522         wprintf("<hr /><div class=\"buttons\"> "
 523                 "<span class=\"button_link\"><a href=\".\">");
 524         wprintf(_("Log in again"));
 525         wprintf("</a></span>&nbsp;&nbsp;&nbsp;<span class=\"button_link\">"
 526                 "<a href=\"javascript:window.close();\">");
 527         wprintf(_("Close window"));
 528         wprintf("</a></span></div></div></div></div>\n");
 529         wDumpContent(2);
 530         end_webcit_session();
 531 }
 532
 533
 534 /*
 535  * validate new users
 536  */
 537 void validate(void)
 538 {
 539         char cmd[SIZ];
 540         char user[SIZ];
 541         char buf[SIZ];
 542         int a;
 543
 544         output_headers(1, 1, 2, 0, 0, 0);
 545         wprintf("<div id=\"banner\">\n");
 546         wprintf("<h1>");
 547         wprintf(_("Validate new users"));
 548         wprintf("</h1>");
 549         wprintf("</div>\n");
 550
 551         wprintf("<div id=\"content\" class=\"service\">\n");
 552
 553         /* If the user just submitted a validation, process it... */
 554         safestrncpy(buf, bstr("user"), sizeof buf);
 555         if (!IsEmptyStr(buf)) {
 556                 if (havebstr("axlevel")) {
 557                         serv_printf("VALI %s|%s", buf, bstr("axlevel"));
 558                         serv_getln(buf, sizeof buf);
 559                         if (buf[0] != '2') {
 560                                 wprintf("<b>%s</b><br />\n", &buf[4]);
 561                         }
 562                 }
 563         }
 564
 565         /* Now see if any more users require validation. */
 566         serv_puts("GNUR");
 567         serv_getln(buf, sizeof buf);
 568         if (buf[0] == '2') {
 569                 wprintf("<b>");
 570                 wprintf(_("No users require validation at this time."));
 571                 wprintf("</b><br />\n");
 572                 wDumpContent(1);
 573                 return;
 574         }
 575         if (buf[0] != '3') {
 576                 wprintf("<b>%s</b><br />\n", &buf[4]);
 577                 wDumpContent(1);
 578                 return;
 579         }
 580
 581         wprintf("<div class=\"fix_scrollbar_bug\">"
 582                 "<table class=\"auth_validate\"><tr><td>\n");
 583         wprintf("<center>");
 584
 585         safestrncpy(user, &buf[4], sizeof user);
 586         serv_printf("GREG %s", user);
 587         serv_getln(cmd, sizeof cmd);
 588         if (cmd[0] == '1') {
 589                 a = 0;
 590                 do {
 591                         serv_getln(buf, sizeof buf);
 592                         ++a;
 593                         if (a == 1)
 594                                 wprintf("#%s<br /><H1>%s</H1>",
 595                                         buf, &cmd[4]);
 596                         if (a == 2)
 597                                 wprintf("PW: %s<br />\n", buf);
 598                         if (a == 3)
 599                                 wprintf("%s<br />\n", buf);
 600                         if (a == 4)
 601                                 wprintf("%s<br />\n", buf);
 602                         if (a == 5)
 603                                 wprintf("%s, ", buf);
 604                         if (a == 6)
 605                                 wprintf("%s ", buf);
 606                         if (a == 7)
 607                                 wprintf("%s<br />\n", buf);
 608                         if (a == 8)
 609                                 wprintf("%s<br />\n", buf);
 610                         if (a == 9)
 611                                 wprintf(_("Current access level: %d (%s)\n"),
 612                                         atoi(buf), axdefs[atoi(buf)]);
 613                 } while (strcmp(buf, "000"));
 614         } else {
 615                 wprintf("<H1>%s</H1>%s<br />\n", user, &cmd[4]);
 616         }
 617
 618         wprintf("<hr />");
 619         wprintf(_("Select access level for this user:"));
 620         wprintf("<br />\n");
 621         for (a = 0; a <= 6; ++a) {
 622                 wprintf("<a href=\"validate?nonce=%ld?user=", WC->nonce);
 623                 urlescputs(user);
 624                 wprintf("&axlevel=%d\">%s</A>&nbsp;&nbsp;&nbsp;\n",
 625                         a, axdefs[a]);
 626         }
 627         wprintf("<br />\n");
 628
 629         wprintf("</CENTER>\n");
 630         wprintf("</td></tr></table></div>\n");
 631         wDumpContent(1);
 632 }
 633
 634
 635
 636 /*
 637  * Display form for registration.
 638  *
 639  * (Set during_login to 1 if this registration is being performed during
 640  * new user login and will require chaining to the proper screen.)
 641  */
 642 void display_reg(int during_login)
 643 {
 644         long vcard_msgnum;
 645
 646         if (goto_config_room() != 0) {
 647                 if (during_login) do_welcome();
 648                 else display_main_menu();
 649                 return;
 650         }
 651
 652         vcard_msgnum = locate_user_vcard(WC->wc_fullname, -1);
 653         if (vcard_msgnum < 0L) {
 654                 if (during_login) do_welcome();
 655                 else display_main_menu();
 656                 return;
 657         }
 658
 659         if (during_login) {
 660                 do_edit_vcard(vcard_msgnum, "1", "do_welcome", USERCONFIGROOM);
 661         }
 662         else {
 663                 do_edit_vcard(vcard_msgnum, "1", "display_main_menu", USERCONFIGROOM);
 664         }
 665
 666 }
 667
 668
 669
 670
 671 /*
 672  * display form for changing your password
 673  */
 674 void display_changepw(void)
 675 {
 676         char buf[SIZ];
 677
 678         output_headers(1, 1, 1, 0, 0, 0);
 679
 680         svput("BOXTITLE", WCS_STRING, _("Change your password"));
 681         do_template("beginbox");
 682
 683         if (!IsEmptyStr(WC->ImportantMessage)) {
 684                 wprintf("<span class=\"errormsg\">"
 685                         "%s</span><br />\n", WC->ImportantMessage);
 686                 safestrncpy(WC->ImportantMessage, "", sizeof WC->ImportantMessage);
 687         }
 688
 689         serv_puts("MESG changepw");
 690         serv_getln(buf, sizeof buf);
 691         if (buf[0] == '1') {
 692                 fmout("CENTER");
 693         }
 694
 695         wprintf("<form name=\"changepwform\" action=\"changepw\" method=\"post\">\n");
 696         wprintf("<input type=\"hidden\" name=\"nonce\" value=\"%ld\">\n", WC->nonce);
 697         wprintf("<table class=\"altern\" ");
 698         wprintf("<tr class=\"even\"><td>");
 699         wprintf(_("Enter new password:"));
 700         wprintf("</td><td>");
 701         wprintf("<input type=\"password\" name=\"newpass1\" value=\"\" maxlength=\"20\"></td></tr>\n");
 702         wprintf("<tr class=\"odd\"><td>");
 703         wprintf(_("Enter it again to confirm:"));
 704         wprintf("</td><td>");
 705         wprintf("<input type=\"password\" name=\"newpass2\" value=\"\" maxlength=\"20\"></td></tr>\n");
 706         wprintf("</table>\n");
 707
 708         wprintf("<div class=\"buttons\">\n");
 709         wprintf("<input type=\"submit\" name=\"change_action\" value=\"%s\">", _("Change password"));
 710         wprintf("&nbsp;");
 711         wprintf("<input type=\"submit\" name=\"cancel_action\" value=\"%s\">\n", _("Cancel"));
 712         wprintf("</div>\n");
 713         wprintf("</form>\n");
 714
 715         do_template("endbox");
 716         wDumpContent(1);
 717 }
 718
 719 /*
 720  * change password
 721  * if passwords match, propagate it to citserver.
 722  */
 723 void changepw(void)
 724 {
 725         char buf[SIZ];
 726         char newpass1[32], newpass2[32];
 727
 728         if (!havebstr("change_action")) {
 729                 safestrncpy(WC->ImportantMessage,
 730                         _("Cancelled.  Password was not changed."),
 731                         sizeof WC->ImportantMessage);
 732                 display_main_menu();
 733                 return;
 734         }
 735
 736         safestrncpy(newpass1, bstr("newpass1"), sizeof newpass1);
 737         safestrncpy(newpass2, bstr("newpass2"), sizeof newpass2);
 738
 739         if (strcasecmp(newpass1, newpass2)) {
 740                 safestrncpy(WC->ImportantMessage,
 741                         _("They don't match.  Password was not changed."),
 742                         sizeof WC->ImportantMessage);
 743                 display_changepw();
 744                 return;
 745         }
 746
 747         if (IsEmptyStr(newpass1)) {
 748                 safestrncpy(WC->ImportantMessage,
 749                         _("Blank passwords are not allowed."),
 750                         sizeof WC->ImportantMessage);
 751                 display_changepw();
 752                 return;
 753         }
 754
 755         serv_printf("SETP %s", newpass1);
 756         serv_getln(buf, sizeof buf);
 757         sprintf(WC->ImportantMessage, "%s", &buf[4]);
 758         if (buf[0] == '2') {
 759                 safestrncpy(WC->wc_password, buf, sizeof WC->wc_password);
 760                 display_main_menu();
 761         }
 762         else {
 763                 display_changepw();
 764         }
 765 }
 766
 767
 768
 769 void InitModule_AUTH(void)
 770 {
 771         WebcitAddUrlHandler(HKEY("do_welcome"), do_welcome, 0);
 772         return ;
 773 }