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(char *mesg)
  38 {
  39         char buf[SIZ];
  40
  41         output_headers(1, 1, 2, 0, 0, 0);
  42         wprintf("<div id=\"login_screen\">\n");
  43
  44         if (mesg != NULL) if (!IsEmptyStr(mesg)) {
  45                         stresc(buf, SIZ,  mesg, 0, 0);
  46                         svprintf(HKEY("MESG"), WCS_STRING, "%s", buf);
  47         }
  48
  49         svprintf(HKEY("LOGIN_INSTRUCTIONS"), WCS_STRING,
  50                 _("<ul>"
  51                 "<li><b>If you already have an account on %s</b>, "
  52                 "enter your user name and password and click &quot;Login.&quot; "
  53                 "<li><b>If you are a new user</b>, enter the name and password "
  54                 "you wish to use, "
  55                 "and click &quot;New User.&quot; "
  56                 "<li>Please log off properly when finished. "
  57                 "<li>You must use a browser that supports <i>frames</i> and "
  58                 "<i>cookies</i>. "
  59                 "<li>Also keep in mind that if your browser is "
  60                 "configured to block pop-up windows, you will not be able "
  61                 "to receive any instant messages.<br />"
  62                 "</ul>"),
  63                 serv_info.serv_humannode
  64         );
  65
  66         svput("USERNAME_BOX", WCS_STRING, _("User name:"));
  67         svput("PASSWORD_BOX", WCS_STRING, _("Password:"));
  68         svput("LANGUAGE_BOX", WCS_STRING, _("Language:"));
  69         svput("LOGIN_BUTTON", WCS_STRING, _("Login"));
  70         svput("NEWUSER_BUTTON", WCS_STRING, _("New User"));
  71         svput("EXIT_BUTTON", WCS_STRING, _("Exit"));
  72         svput("HELLO", WCS_SERVCMD, "MESG hello");
  73         svprintf(HKEY("BOXTITLE"), WCS_STRING, _("%s - powered by <a href=\"http://www.citadel.org\">Citadel</a>"),
  74                 serv_info.serv_humannode);
  75         svcallback("DO_LANGUAGE_BOX", offer_languages);
  76         if (serv_info.serv_newuser_disabled) {
  77                 svput("NEWUSER_BUTTON_PRE", WCS_STRING, "<div style=\"display:none;\">");
  78                 svput("NEWUSER_BUTTON_POST", WCS_STRING, "</div>");
  79         }
  80         else {
  81                 svput("NEWUSER_BUTTON_PRE", WCS_STRING, "");
  82                 svput("NEWUSER_BUTTON_POST", WCS_STRING, "");
  83         }
  84
  85         if (serv_info.serv_supports_openid) {
  86                 svprintf(HKEY("OFFER_OPENID_LOGIN"), WCS_STRING,
  87                         "<div align=center>"
  88                         "<a href=\"display_openid_login\">"
  89                         "<img src=\"static/openid-small.gif\" border=0 valign=middle>"
  90                         "%s</a>"
  91                         "</div>"
  92                         ,
  93                         "Log in using OpenID"
  94                 );
  95         }
  96         else {
  97                 svput("OFFER_OPENID_LOGIN", WCS_STRING, "");
  98         }
  99
 100         do_template("login");
 101
 102         wDumpContent(2);
 103 }
 104
 105
 106
 107
 108 /*
 109  * Display the openid-enabled login screen
 110  * mesg = the error message if last attempt failed.
 111  */
 112 void display_openid_login(char *mesg)
 113 {
 114         char buf[SIZ];
 115
 116         output_headers(1, 1, 2, 0, 0, 0);
 117         wprintf("<div id=\"login_screen\">\n");
 118
 119         if (mesg != NULL) if (!IsEmptyStr(mesg)) {
 120                         stresc(buf, SIZ,  mesg, 0, 0);
 121                         svprintf(HKEY("MESG"), WCS_STRING, "%s", buf);
 122         }
 123
 124         svprintf(HKEY("LOGIN_INSTRUCTIONS"), WCS_STRING,
 125                 _("<ul>"
 126                 "<li>Enter your OpenID URL and click &quot;Login&quot;."
 127                 "<li><a href=\"http://www.citadel.org/doku.php/documentation:openid\">"
 128                 "Click here to learn what OpenID is and how Citadel is using it.</a>"
 129                 "<li>Please log off properly when finished. "
 130                 "<li>You must use a browser that supports <i>frames</i> and "
 131                 "<i>cookies</i>. "
 132                 "<li>Also keep in mind that if your browser is "
 133                 "configured to block pop-up windows, you will not be able "
 134                 "to receive any instant messages.<br />"
 135                 "</ul>")
 136         );
 137
 138         svput("OPENID_BOX", WCS_STRING, _("OpenID URL:"));
 139         svput("LANGUAGE_BOX", WCS_STRING, _("Language:"));
 140         svput("LOGIN_BUTTON", WCS_STRING, _("Login"));
 141         svput("EXIT_BUTTON", WCS_STRING, _("Exit"));
 142         svput("HELLO", WCS_SERVCMD, "MESG hello");
 143         svprintf(HKEY("BOXTITLE"), WCS_STRING, _("%s - powered by <a href=\"http://www.citadel.org\">Citadel</a>"),
 144                 serv_info.serv_humannode);
 145         svcallback("DO_LANGUAGE_BOX", offer_languages);
 146
 147         svprintf(HKEY("OFFER_CONVENTIONAL_LOGIN"), WCS_STRING,
 148                 "<div align=center>"
 149                 "<a href=\"display_login\">"
 150                 "%s</a>"
 151                 "</div>"
 152                 ,
 153                 "Log in using a user name and password"
 154         );
 155
 156         do_template("openid_login");
 157         wDumpContent(2);
 158 }
 159
 160
 161 void display_openid_name_request(char *claimed_id, char *username) {
 162         char buf[SIZ];
 163
 164         output_headers(1, 1, 2, 0, 0, 0);
 165         wprintf("<div id=\"login_screen\">\n");
 166
 167         stresc(buf, sizeof buf, claimed_id, 0, 0);
 168         svprintf(HKEY("VERIFIED"), WCS_STRING, _("Your OpenID <tt>%s</tt> was successfully verified."),
 169                 claimed_id);
 170         svput("CLAIMED_ID", WCS_STRING, claimed_id);
 171
 172
 173         if (!IsEmptyStr(username)) {
 174                 stresc(buf, sizeof buf, username, 0, 0);
 175                 svprintf(HKEY("REASON"), WCS_STRING,
 176                         _("However, the user name '%s' conflicts with an existing user."), username);
 177         }
 178         else {
 179                 svput("REASON", WCS_STRING, "");
 180         }
 181
 182         svput("ACTION_REQUESTED", WCS_STRING, _("Please specify the user name you would like to use."));
 183
 184         svput("USERNAME_BOX", WCS_STRING, _("User name:"));
 185         svput("NEWUSER_BUTTON", WCS_STRING, _("New User"));
 186         svput("EXIT_BUTTON", WCS_STRING, _("Exit"));
 187
 188         svprintf(HKEY("BOXTITLE"), WCS_STRING, _("%s - powered by <a href=\"http://www.citadel.org\">Citadel</a>"),
 189                 serv_info.serv_humannode);
 190
 191         do_template("openid_manual_create");
 192         wDumpContent(2);
 193 }
 194
 195
 196
 197 /* Initialize the session
 198  *
 199  * This function needs to get called whenever the session changes from
 200  * not-logged-in to logged-in, either by an explicit login by the user or
 201  * by a timed-out session automatically re-establishing with a little help
 202  * from the browser cookie.  Either way, we need to load access controls and
 203  * preferences from the server.
 204  *
 205  * user                 the username
 206  * pass                 his password
 207  * serv_response        The parameters returned from a Citadel USER or NEWU command
 208  */
 209 void become_logged_in(char *user, char *pass, char *serv_response)
 210 {
 211         char buf[SIZ];
 212
 213         WC->logged_in = 1;
 214         extract_token(WC->wc_fullname, &serv_response[4], 0, '|', sizeof WC->wc_fullname);
 215         safestrncpy(WC->wc_username, user, sizeof WC->wc_username);
 216         safestrncpy(WC->wc_password, pass, sizeof WC->wc_password);
 217         WC->axlevel = extract_int(&serv_response[4], 1);
 218         if (WC->axlevel >= 6) {
 219                 WC->is_aide = 1;
 220         }
 221
 222         load_preferences();
 223
 224         serv_puts("CHEK");
 225         serv_getln(buf, sizeof buf);
 226         if (buf[0] == '2') {
 227                 WC->new_mail = extract_int(&buf[4], 0);
 228                 WC->need_regi = extract_int(&buf[4], 1);
 229                 WC->need_vali = extract_int(&buf[4], 2);
 230                 extract_token(WC->cs_inet_email, &buf[4], 3, '|', sizeof WC->cs_inet_email);
 231         }
 232
 233         get_pref_long("current_iconbar", &WC->current_iconbar, current_iconbar_menu);
 234
 235         get_preference("floordiv_expanded", &WC->floordiv_expanded);
 236 }
 237
 238
 239 /*
 240  * Perform authentication using a user name and password
 241  */
 242 void do_login(void)
 243 {
 244         char buf[SIZ];
 245
 246         if (havebstr("language")) {
 247                 set_selected_language(bstr("language"));
 248                 go_selected_language();
 249         }
 250
 251         if (havebstr("exit_action")) {
 252                 do_logout();
 253                 return;
 254         }
 255         if (havebstr("login_action")) {
 256                 serv_printf("USER %s", bstr("name"));
 257                 serv_getln(buf, sizeof buf);
 258                 if (buf[0] == '3') {
 259                         serv_printf("PASS %s", bstr("pass"));
 260                         serv_getln(buf, sizeof buf);
 261                         if (buf[0] == '2') {
 262                                 become_logged_in(bstr("name"), bstr("pass"), buf);
 263                         } else {
 264                                 display_login(&buf[4]);
 265                                 return;
 266                         }
 267                 } else {
 268                         display_login(&buf[4]);
 269                         return;
 270                 }
 271         }
 272         if (havebstr("newuser_action")) {
 273                 if (!havebstr("pass")) {
 274                         display_login(_("Blank passwords are not allowed."));
 275                         return;
 276                 }
 277                 serv_printf("NEWU %s", bstr("name"));
 278                 serv_getln(buf, sizeof buf);
 279                 if (buf[0] == '2') {
 280                         become_logged_in(bstr("name"), bstr("pass"), buf);
 281                         serv_printf("SETP %s", bstr("pass"));
 282                         serv_getln(buf, sizeof buf);
 283                 } else {
 284                         display_login(&buf[4]);
 285                         return;
 286                 }
 287         }
 288         if (WC->logged_in) {
 289                 if (WC->need_regi) {
 290                         display_reg(1);
 291                 } else if (WC->need_vali) {
 292                         validate();
 293                 } else {
 294                         do_welcome();
 295                 }
 296         } else {
 297                 display_login(_("Your password was not accepted."));
 298         }
 299
 300 }
 301
 302 /*
 303  * Try to create an account manually after an OpenID was verified
 304  */
 305 void openid_manual_create(void)
 306 {
 307         if (havebstr("exit_action")) {
 308                 do_logout();
 309                 return;
 310         }
 311
 312         char buf[1024];
 313         if (havebstr("newuser_action")) {
 314                 serv_printf("OIDC %s", bstr("name"));
 315                 serv_getln(buf, sizeof buf);
 316                 if (buf[0] == '2') {
 317                         char gpass[1024] = "";
 318                         serv_puts("SETP GENERATE_RANDOM_PASSWORD");
 319                         serv_getln(gpass, sizeof gpass);
 320                         become_logged_in(bstr("name"), &gpass[4], buf);
 321                 }
 322         }
 323
 324         if (WC->logged_in) {
 325                 if (WC->need_regi) {
 326                         display_reg(1);
 327                 } else if (WC->need_vali) {
 328                         validate();
 329                 } else {
 330                         do_welcome();
 331                 }
 332         } else {
 333                 display_openid_name_request(bstr("openid_url"), bstr("name"));
 334         }
 335
 336 }
 337
 338
 339 /*
 340  * Perform authentication using OpenID
 341  * assemble the checkid_setup request and then redirect to the user's identity provider
 342  */
 343 void do_openid_login(void)
 344 {
 345         char buf[4096];
 346
 347         if (havebstr("language")) {
 348                 set_selected_language(bstr("language"));
 349                 go_selected_language();
 350         }
 351
 352         if (havebstr("exit_action")) {
 353                 do_logout();
 354                 return;
 355         }
 356         if (havebstr("login_action")) {
 357                 snprintf(buf, sizeof buf,
 358                         "OIDS %s|%s://%s/finalize_openid_login|%s://%s",
 359                         bstr("openid_url"),
 360                         (is_https ? "https" : "http"), WC->http_host,
 361                         (is_https ? "https" : "http"), WC->http_host
 362                 );
 363
 364                 serv_puts(buf);
 365                 serv_getln(buf, sizeof buf);
 366                 if (buf[0] == '2') {
 367                         lprintf(CTDL_DEBUG, "OpenID server contacted; redirecting to %s\n", &buf[4]);
 368                         http_redirect(&buf[4]);
 369                         return;
 370                 }
 371                 else {
 372                         display_openid_login(&buf[4]);
 373                         return;
 374                 }
 375         }
 376
 377         /* If we get to this point then something failed. */
 378         display_openid_login(_("Your password was not accepted."));
 379 }
 380
 381 /*
 382  * Complete the authentication using OpenID
 383  * This function handles the positive or negative assertion from the user's Identity Provider
 384  */
 385 void finalize_openid_login(void)
 386 {
 387         char buf[1024];
 388         struct wcsession *WCC = WC;
 389         int already_logged_in = (WCC->logged_in) ;
 390         int linecount = 0;
 391         char result[128] = "";
 392         char username[128] = "";
 393         char password[128] = "";
 394         char logged_in_response[1024] = "";
 395         char claimed_id[1024] = "";
 396
 397         if (havebstr("openid.mode")) {
 398                 if (!strcasecmp(bstr("openid.mode"), "id_res")) {
 399
 400                         serv_puts("OIDF");
 401                         serv_getln(buf, sizeof buf);
 402
 403                         if (buf[0] == '8') {
 404                                 urlcontent *u;
 405                                 void *U;
 406                                 long HKLen;
 407                                 char *HKey;
 408                                 HashPos *Cursor;
 409
 410                                 Cursor = GetNewHashPos ();
 411                                 while (GetNextHashPos(WCC->urlstrings, Cursor, &HKLen, &HKey, &U)) {
 412                                         u = (urlcontent*) U;
 413                                         if (!strncasecmp(u->url_key, "openid.", 7)) {
 414                                                 serv_printf("%s|%s", &u->url_key[7], u->url_data);
 415                                         }
 416                                 }
 417
 418                                 serv_puts("000");
 419
 420                                 linecount = 0;
 421                                 while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
 422                                         if (linecount == 0) safestrncpy(result, buf, sizeof result);
 423                                         if (!strcasecmp(result, "authenticate")) {
 424                                                 if (linecount == 1) {
 425                                                         safestrncpy(username, buf, sizeof username);
 426                                                 }
 427                                                 else if (linecount == 2) {
 428                                                         safestrncpy(password, buf, sizeof password);
 429                                                 }
 430                                                 else if (linecount == 3) {
 431                                                         safestrncpy(logged_in_response, buf,
 432                                                                 sizeof logged_in_response);
 433                                                 }
 434                                         }
 435                                         else if (!strcasecmp(result, "verify_only")) {
 436                                                 if (linecount == 1) {
 437                                                         safestrncpy(claimed_id, buf, sizeof claimed_id);
 438                                                 }
 439                                                 if (linecount == 2) {
 440                                                         safestrncpy(username, buf, sizeof username);
 441                                                 }
 442                                         }
 443                                         ++linecount;
 444                                 }
 445                         }
 446                 }
 447         }
 448
 449         /* If we were already logged in, this was an attempt to associate an OpenID account */
 450         if (already_logged_in) {
 451                 display_openids();
 452                 return;
 453         }
 454
 455         /* If this operation logged us in, either by connecting with an existing account or by
 456          * auto-creating one using Simple Registration Extension, we're already on our way.
 457          */
 458         if (!strcasecmp(result, "authenticate")) {
 459                 become_logged_in(username, password, logged_in_response);
 460         }
 461
 462         /* The specified OpenID was verified but the desired user name was either not specified via SRI
 463          * or conflicts with an existing user.  Either way the user will need to specify a new name.
 464          */
 465
 466         else if (!strcasecmp(result, "verify_only")) {
 467                 display_openid_name_request(claimed_id, username);
 468         }
 469
 470         /* Did we manage to log in?  If so, continue with the normal flow... */
 471         if (WC->logged_in) {
 472                 if (WC->need_regi) {
 473                         display_reg(1);
 474                 } else {
 475                         do_welcome();
 476                 }
 477         } else {
 478                 display_openid_login(_("Your password was not accepted."));
 479         }
 480
 481 }
 482
 483
 484 /*
 485  * Display a welcome screen to the user.
 486  *
 487  * If this is the first time login, and the web based setup is enabled,
 488  * lead the user through the setup routines
 489  */
 490 void do_welcome(void)
 491 {
 492         StrBuf *Buf;
 493 #ifdef XXX_NOT_FINISHED_YET_XXX
 494         FILE *fp;
 495         int i;
 496
 497         /**
 498          * See if we have to run the first-time setup wizard
 499          */
 500         if (WC->is_aide) {
 501                 if (!setup_wizard) {
 502                         int len;
 503                         sprintf(wizard_filename, "setupwiz.%s.%s",
 504                                 ctdlhost, ctdlport);
 505                         len = strlen(wizard_filename);
 506                         for (i=0; i<len; ++i) {
 507                                 if (    (wizard_filename[i]==' ')
 508                                         || (wizard_filename[i] == '/')
 509                                 ) {
 510                                         wizard_filename[i] = '_';
 511                                 }
 512                         }
 513
 514                         fp = fopen(wizard_filename, "r");
 515                         if (fp != NULL) {
 516                                 fgets(buf, sizeof buf, fp);
 517                                 buf[strlen(buf)-1] = 0;
 518                                 fclose(fp);
 519                                 if (atoi(buf) == serv_info.serv_rev_level) {
 520                                         setup_wizard = 1; /**< already run */
 521                                 }
 522                         }
 523                 }
 524
 525                 if (!setup_wizard) {
 526                         http_redirect("setup_wizard");
 527                 }
 528         }
 529 #endif
 530
 531         /*
 532          * Go to the user's preferred start page
 533          */
 534         if (!get_preference("startpage", &Buf)) {
 535                 Buf = NewStrBuf ();
 536                 StrBufPrintf(Buf, "dotskip&room=_BASEROOM_");
 537                 set_preference("startpage", Buf, 1);
 538         }
 539         if (ChrPtr(Buf)[0] == '/') {
 540                 StrBufCutLeft(Buf, 1);
 541         }
 542         if (StrLength(Buf) == 0)
 543                 StrBufAppendBufPlain(Buf, "/knrooms", 1, 0);
 544         http_redirect(ChrPtr(Buf));
 545 }
 546
 547
 548 /*
 549  * Disconnect from the Citadel server, and end this WebCit session
 550  */
 551 void end_webcit_session(void) {
 552
 553         if (WC->logged_in) {
 554                 set_pref_long("current_iconbar", WC->current_iconbar, 0);
 555                 set_preference("floordiv_expanded", WC->floordiv_expanded, 1);
 556         }
 557
 558         serv_puts("QUIT");
 559         WC->killthis = 1;
 560         /* close() of citadel socket will be done by do_housekeeping() */
 561 }
 562
 563 /*
 564  * execute the logout
 565  */
 566 void do_logout(void)
 567 {
 568         char buf[SIZ];
 569
 570         safestrncpy(WC->wc_username, "", sizeof WC->wc_username);
 571         safestrncpy(WC->wc_password, "", sizeof WC->wc_password);
 572         safestrncpy(WC->wc_roomname, "", sizeof WC->wc_roomname);
 573         safestrncpy(WC->wc_fullname, "", sizeof WC->wc_fullname);
 574
 575         /** Calling output_headers() this way causes the cookies to be un-set */
 576         output_headers(1, 1, 0, 1, 0, 0);
 577
 578         wprintf("<div id=\"logout_screen\">");
 579         wprintf("<div class=\"box\">");
 580         wprintf("<div class=\"boxlabel\">");
 581         wprintf(_("Log off"));
 582         wprintf("</div><div class=\"boxcontent\">");
 583         serv_puts("MESG goodbye");
 584         serv_getln(buf, sizeof buf);
 585
 586         if (WC->serv_sock >= 0) {
 587                 if (buf[0] == '1') {
 588                         fmout("CENTER");
 589                 } else {
 590                         wprintf("Goodbye\n");
 591                 }
 592         }
 593         else {
 594                 wprintf(_("This program was unable to connect or stay "
 595                         "connected to the Citadel server.  Please report "
 596                         "this problem to your system administrator.")
 597                 );
 598                 wprintf("<a href=\"http://www.citadel.org/doku.php/"
 599                         "faq:mastering_your_os:net#netstat\">%s</a>",
 600                         _("Read More..."));
 601         }
 602
 603         wprintf("<hr /><div class=\"buttons\"> "
 604                 "<span class=\"button_link\"><a href=\".\">");
 605         wprintf(_("Log in again"));
 606         wprintf("</a></span>&nbsp;&nbsp;&nbsp;<span class=\"button_link\">"
 607                 "<a href=\"javascript:window.close();\">");
 608         wprintf(_("Close window"));
 609         wprintf("</a></span></div></div></div></div>\n");
 610         wDumpContent(2);
 611         end_webcit_session();
 612 }
 613
 614
 615 /*
 616  * validate new users
 617  */
 618 void validate(void)
 619 {
 620         char cmd[SIZ];
 621         char user[SIZ];
 622         char buf[SIZ];
 623         int a;
 624
 625         output_headers(1, 1, 2, 0, 0, 0);
 626         wprintf("<div id=\"banner\">\n");
 627         wprintf("<h1>");
 628         wprintf(_("Validate new users"));
 629         wprintf("</h1>");
 630         wprintf("</div>\n");
 631
 632         wprintf("<div id=\"content\" class=\"service\">\n");
 633
 634         /* If the user just submitted a validation, process it... */
 635         safestrncpy(buf, bstr("user"), sizeof buf);
 636         if (!IsEmptyStr(buf)) {
 637                 if (havebstr("axlevel")) {
 638                         serv_printf("VALI %s|%s", buf, bstr("axlevel"));
 639                         serv_getln(buf, sizeof buf);
 640                         if (buf[0] != '2') {
 641                                 wprintf("<b>%s</b><br />\n", &buf[4]);
 642                         }
 643                 }
 644         }
 645
 646         /* Now see if any more users require validation. */
 647         serv_puts("GNUR");
 648         serv_getln(buf, sizeof buf);
 649         if (buf[0] == '2') {
 650                 wprintf("<b>");
 651                 wprintf(_("No users require validation at this time."));
 652                 wprintf("</b><br />\n");
 653                 wDumpContent(1);
 654                 return;
 655         }
 656         if (buf[0] != '3') {
 657                 wprintf("<b>%s</b><br />\n", &buf[4]);
 658                 wDumpContent(1);
 659                 return;
 660         }
 661
 662         wprintf("<div class=\"fix_scrollbar_bug\">"
 663                 "<table class=\"auth_validate\"><tr><td>\n");
 664         wprintf("<center>");
 665
 666         safestrncpy(user, &buf[4], sizeof user);
 667         serv_printf("GREG %s", user);
 668         serv_getln(cmd, sizeof cmd);
 669         if (cmd[0] == '1') {
 670                 a = 0;
 671                 do {
 672                         serv_getln(buf, sizeof buf);
 673                         ++a;
 674                         if (a == 1)
 675                                 wprintf("#%s<br /><H1>%s</H1>",
 676                                         buf, &cmd[4]);
 677                         if (a == 2) {
 678                                 char *pch;
 679                                 int haveChar = 0;
 680                                 int haveNum = 0;
 681                                 int haveOther = 0;
 682                                 int count = 0;
 683                                 pch = buf;
 684                                 while (!IsEmptyStr(pch))
 685                                 {
 686                                         if (isdigit(*pch))
 687                                                 haveNum = 1;
 688                                         else if (isalpha(*pch))
 689                                                 haveChar = 1;
 690                                         else
 691                                                 haveOther = 1;
 692                                         pch ++;
 693                                 }
 694                                 count = pch - buf;
 695                                 if (count > 7)
 696                                         count = 0;
 697                                 switch (count){
 698                                 case 0:
 699                                         pch = _("very weak");
 700                                         break;
 701                                 case 1:
 702                                         pch = _("weak");
 703                                         break;
 704                                 case 2:
 705                                         pch = _("ok");
 706                                         break;
 707                                 case 3:
 708                                 default:
 709                                         pch = _("strong");
 710                                 }
 711
 712                                 wprintf("PW: %s<br />\n", pch);
 713                         }
 714                         if (a == 3)
 715                                 wprintf("%s<br />\n", buf);
 716                         if (a == 4)
 717                                 wprintf("%s<br />\n", buf);
 718                         if (a == 5)
 719                                 wprintf("%s, ", buf);
 720                         if (a == 6)
 721                                 wprintf("%s ", buf);
 722                         if (a == 7)
 723                                 wprintf("%s<br />\n", buf);
 724                         if (a == 8)
 725                                 wprintf("%s<br />\n", buf);
 726                         if (a == 9)
 727                                 wprintf(_("Current access level: %d (%s)\n"),
 728                                         atoi(buf), axdefs[atoi(buf)]);
 729                 } while (strcmp(buf, "000"));
 730         } else {
 731                 wprintf("<H1>%s</H1>%s<br />\n", user, &cmd[4]);
 732         }
 733
 734         wprintf("<hr />");
 735         wprintf(_("Select access level for this user:"));
 736         wprintf("<br />\n");
 737         for (a = 0; a <= 6; ++a) {
 738                 wprintf("<a href=\"validate?nonce=%d?user=", WC->nonce);
 739                 urlescputs(user);
 740                 wprintf("&axlevel=%d\">%s</A>&nbsp;&nbsp;&nbsp;\n",
 741                         a, axdefs[a]);
 742         }
 743         wprintf("<br />\n");
 744
 745         wprintf("</CENTER>\n");
 746         wprintf("</td></tr></table></div>\n");
 747         wDumpContent(1);
 748 }
 749
 750
 751
 752 /*
 753  * Display form for registration.
 754  *
 755  * (Set during_login to 1 if this registration is being performed during
 756  * new user login and will require chaining to the proper screen.)
 757  */
 758 void display_reg(int during_login)
 759 {
 760         long vcard_msgnum;
 761
 762         if (goto_config_room() != 0) {
 763                 if (during_login) do_welcome();
 764                 else display_main_menu();
 765                 return;
 766         }
 767
 768         vcard_msgnum = locate_user_vcard(WC->wc_fullname, -1);
 769         if (vcard_msgnum < 0L) {
 770                 if (during_login) do_welcome();
 771                 else display_main_menu();
 772                 return;
 773         }
 774
 775         if (during_login) {
 776                 do_edit_vcard(vcard_msgnum, "1", "do_welcome", USERCONFIGROOM);
 777         }
 778         else {
 779                 do_edit_vcard(vcard_msgnum, "1", "display_main_menu", USERCONFIGROOM);
 780         }
 781
 782 }
 783
 784
 785
 786
 787 /*
 788  * display form for changing your password
 789  */
 790 void display_changepw(void)
 791 {
 792         char buf[SIZ];
 793
 794         output_headers(1, 1, 1, 0, 0, 0);
 795
 796         svput("BOXTITLE", WCS_STRING, _("Change your password"));
 797         do_template("beginbox");
 798
 799         if (!IsEmptyStr(WC->ImportantMessage)) {
 800                 wprintf("<span class=\"errormsg\">"
 801                         "%s</span><br />\n", WC->ImportantMessage);
 802                 safestrncpy(WC->ImportantMessage, "", sizeof WC->ImportantMessage);
 803         }
 804
 805         serv_puts("MESG changepw");
 806         serv_getln(buf, sizeof buf);
 807         if (buf[0] == '1') {
 808                 fmout("CENTER");
 809         }
 810
 811         wprintf("<form name=\"changepwform\" action=\"changepw\" method=\"post\">\n");
 812         wprintf("<input type=\"hidden\" name=\"nonce\" value=\"%d\">\n", WC->nonce);
 813         wprintf("<table class=\"altern\" ");
 814         wprintf("<tr class=\"even\"><td>");
 815         wprintf(_("Enter new password:"));
 816         wprintf("</td><td>");
 817         wprintf("<input type=\"password\" name=\"newpass1\" value=\"\" maxlength=\"20\"></td></tr>\n");
 818         wprintf("<tr class=\"odd\"><td>");
 819         wprintf(_("Enter it again to confirm:"));
 820         wprintf("</td><td>");
 821         wprintf("<input type=\"password\" name=\"newpass2\" value=\"\" maxlength=\"20\"></td></tr>\n");
 822         wprintf("</table>\n");
 823
 824         wprintf("<div class=\"buttons\">\n");
 825         wprintf("<input type=\"submit\" name=\"change_action\" value=\"%s\">", _("Change password"));
 826         wprintf("&nbsp;");
 827         wprintf("<input type=\"submit\" name=\"cancel_action\" value=\"%s\">\n", _("Cancel"));
 828         wprintf("</div>\n");
 829         wprintf("</form>\n");
 830
 831         do_template("endbox");
 832         wDumpContent(1);
 833 }
 834
 835 /*
 836  * change password
 837  * if passwords match, propagate it to citserver.
 838  */
 839 void changepw(void)
 840 {
 841         char buf[SIZ];
 842         char newpass1[32], newpass2[32];
 843
 844         if (!havebstr("change_action")) {
 845                 safestrncpy(WC->ImportantMessage,
 846                         _("Cancelled.  Password was not changed."),
 847                         sizeof WC->ImportantMessage);
 848                 display_main_menu();
 849                 return;
 850         }
 851
 852         safestrncpy(newpass1, bstr("newpass1"), sizeof newpass1);
 853         safestrncpy(newpass2, bstr("newpass2"), sizeof newpass2);
 854
 855         if (strcasecmp(newpass1, newpass2)) {
 856                 safestrncpy(WC->ImportantMessage,
 857                         _("They don't match.  Password was not changed."),
 858                         sizeof WC->ImportantMessage);
 859                 display_changepw();
 860                 return;
 861         }
 862
 863         if (IsEmptyStr(newpass1)) {
 864                 safestrncpy(WC->ImportantMessage,
 865                         _("Blank passwords are not allowed."),
 866                         sizeof WC->ImportantMessage);
 867                 display_changepw();
 868                 return;
 869         }
 870
 871         serv_printf("SETP %s", newpass1);
 872         serv_getln(buf, sizeof buf);
 873         sprintf(WC->ImportantMessage, "%s", &buf[4]);
 874         if (buf[0] == '2') {
 875                 safestrncpy(WC->wc_password, buf, sizeof WC->wc_password);
 876                 display_main_menu();
 877         }
 878         else {
 879                 display_changepw();
 880         }
 881 }
 882
 883 void _display_openid_login(void) {display_openid_login(NULL);}
 884 void _display_reg(void) {display_reg(0);}
 885
 886
 887 void
 888 InitModule_AUTH
 889 (void)
 890 {
 891         WebcitAddUrlHandler(HKEY("do_welcome"), do_welcome, ANONYMOUS);
 892         WebcitAddUrlHandler(HKEY("login"), do_login, ANONYMOUS);
 893         WebcitAddUrlHandler(HKEY("display_openid_login"), _display_openid_login, ANONYMOUS);
 894         WebcitAddUrlHandler(HKEY("openid_login"), do_openid_login, ANONYMOUS);
 895         WebcitAddUrlHandler(HKEY("finalize_openid_login"), finalize_openid_login, ANONYMOUS);
 896         WebcitAddUrlHandler(HKEY("openid_manual_create"), openid_manual_create, ANONYMOUS);
 897         WebcitAddUrlHandler(HKEY("do_logout"), do_logout, 0);
 898         WebcitAddUrlHandler(HKEY("validate"), validate, 0);
 899         WebcitAddUrlHandler(HKEY("display_reg"), _display_reg, 0);
 900         WebcitAddUrlHandler(HKEY("display_changepw"), display_changepw, 0);
 901         WebcitAddUrlHandler(HKEY("changepw"), changepw, 0);
 902         WebcitAddUrlHandler(HKEY("termquit"), do_logout, 0);
 903         return ;
 904 }