webcit/auth.c

   1 /*
   2  * $Id$
   3  *
   4  * WebcitAuth; Handles authentication of users to a Citadel server.
   5  */
   6
   7 #include "webcit.h"
   8 #include "webserver.h"
   9 #include <ctype.h>
  10
  11
  12 void display_reg(int during_login);
  13
  14 /*
  15  * Access level definitions.  This is initialized from a function rather than a
  16  * static array so that the strings may be localized.
  17  */
  18 char *axdefs[7];
  19
  20 void initialize_axdefs(void) {
  21         axdefs[0] = _("Deleted");       /* an erased user */
  22         axdefs[1] = _("New User");      /* a new user */
  23         axdefs[2] = _("Problem User");  /* a trouble maker */
  24         axdefs[3] = _("Local User");    /* user with normal privileges */
  25         axdefs[4] = _("Network User");  /* a user that may access network resources */
  26         axdefs[5] = _("Preferred User");/* a moderator */
  27         axdefs[6] = _("Aide");          /* chief */
  28 }
  29
  30
  31
  32
  33 /*
  34  * Display the login screen
  35  * mesg = the error message if last attempt failed.
  36  */
  37 void display_login(void)
  38 {
  39         begin_burst();
  40         output_headers(1, 0, 0, 0, 1, 0);
  41         do_template("login", NULL);
  42         end_burst();
  43 }
  44
  45
  46
  47
  48 /*
  49  * Display the openid-enabled login screen
  50  * mesg = the error message if last attempt failed.
  51  */
  52 void display_openid_login(char *mesg)
  53 {
  54         char buf[SIZ];
  55
  56         output_headers(1, 1, 2, 0, 0, 0);
  57         wprintf("<div id=\"login_screen\">\n");
  58
  59         if ((mesg != NULL) && (!IsEmptyStr(mesg))) {
  60                 stresc(buf, SIZ,  mesg, 0, 0);
  61                 svprintf(HKEY("MESG"), WCS_STRING, "%s", buf);
  62         }
  63
  64         svprintf(HKEY("LOGIN_INSTRUCTIONS"), WCS_STRING,
  65                 _("<ul>"
  66                 "<li>Enter your OpenID URL and click &quot;Login&quot;."
  67                 "<li><a href=\"http://www.citadel.org/doku.php/documentation:openid\">"
  68                 "Click here to learn what OpenID is and how Citadel is using it.</a>"
  69                 "<li>Please log off properly when finished. "
  70                 "<li>You must use a browser that supports <i>frames</i> and "
  71                 "<i>cookies</i>. "
  72                 "<li>Also keep in mind that if your browser is "
  73                 "configured to block pop-up windows, you will not be able "
  74                 "to receive any instant messages.<br>"
  75                 "</ul>")
  76         );
  77
  78         svput("HELLO", WCS_SERVCMD, "MESG hello");
  79
  80         svprintf(HKEY("OFFER_CONVENTIONAL_LOGIN"), WCS_STRING,
  81                 "<div id=\"convlogin\">"
  82                 "<a href=\"display_login\">"
  83                 "%s</a>"
  84                 "</div>"
  85                 ,
  86                 "Log in using a user name and password"
  87         );
  88
  89         do_template("openid_login", NULL);
  90         wDumpContent(2);
  91 }
  92
  93
  94 void display_openid_name_request(const StrBuf *claimed_id, const StrBuf *username)
  95 {
  96         StrBuf *Buf = NULL;
  97
  98         output_headers(1, 1, 2, 0, 0, 0);
  99         wprintf("<div id=\"login_screen\">\n");
 100
 101         Buf = NewStrBufPlain(NULL, StrLength(claimed_id));
 102         StrEscAppend(Buf, claimed_id, NULL, 0, 0);
 103         svprintf(HKEY("VERIFIED"), WCS_STRING, _("Your OpenID <tt>%s</tt> was successfully verified."),
 104                  ChrPtr(Buf));
 105         SVPutBuf("CLAIMED_ID", Buf, 0);
 106
 107
 108         if (StrLength(username) > 0) {
 109                         Buf = NewStrBufPlain(NULL, StrLength(username));
 110                         StrEscAppend(Buf, claimed_id, NULL, 0, 0);
 111                         svprintf(HKEY("REASON"), WCS_STRING,
 112                                  _("However, the user name '%s' conflicts with an existing user."),
 113                                  ChrPtr(Buf));
 114                         FreeStrBuf(&Buf);
 115         }
 116         else {
 117                 svput("REASON", WCS_STRING, "");
 118         }
 119
 120         svput("ACTION_REQUESTED", WCS_STRING, _("Please specify the user name you would like to use."));
 121
 122         svput("USERNAME_BOX", WCS_STRING, _("User name:"));
 123         svput("NEWUSER_BUTTON", WCS_STRING, _("New User"));
 124         svput("EXIT_BUTTON", WCS_STRING, _("Exit"));
 125
 126         svprintf(HKEY("BOXTITLE"), WCS_STRING, _("%s - powered by <a href=\"http://www.citadel.org\">Citadel</a>"),
 127                  ChrPtr(serv_info.serv_humannode));
 128
 129         do_template("openid_manual_create", NULL);
 130         wDumpContent(2);
 131 }
 132
 133
 134
 135 /* Initialize the session
 136  *
 137  * This function needs to get called whenever the session changes from
 138  * not-logged-in to logged-in, either by an explicit login by the user or
 139  * by a timed-out session automatically re-establishing with a little help
 140  * from the browser cookie.  Either way, we need to load access controls and
 141  * preferences from the server.
 142  *
 143  * user                 the username
 144  * pass                 his password
 145  * serv_response        The parameters returned from a Citadel USER or NEWU command
 146  */
 147 void become_logged_in(const StrBuf *user, const StrBuf *pass, StrBuf *serv_response)
 148 {
 149         wcsession *WCC = WC;
 150         char buf[SIZ];
 151         StrBuf *FloorDiv;
 152
 153         WC->logged_in = 1;
 154
 155         if (WCC->wc_fullname == NULL)
 156                 WCC->wc_fullname = NewStrBufPlain(NULL, StrLength(serv_response));
 157         StrBufExtract_token(WCC->wc_fullname, serv_response, 0, '|');
 158         StrBufCutLeft(WCC->wc_fullname, 4 );
 159
 160         if (WCC->wc_username == NULL)
 161                 WCC->wc_username = NewStrBufDup(user);
 162         else {
 163                 FlushStrBuf(WCC->wc_username);
 164                 StrBufAppendBuf(WCC->wc_username, user, 0);
 165         }
 166
 167         if (WCC->wc_password == NULL)
 168                 WCC->wc_password = NewStrBufDup(pass);
 169         else {
 170                 FlushStrBuf(WCC->wc_password);
 171                 StrBufAppendBuf(WCC->wc_password, pass, 0);
 172         }
 173
 174         WCC->axlevel = StrBufExtract_int(serv_response, 1, '|');
 175         if (WCC->axlevel >= 6) { /* TODO: make this a define, else it might trick us later */
 176                 WCC->is_aide = 1;
 177         }
 178
 179         load_preferences();
 180
 181         serv_puts("CHEK");
 182         serv_getln(buf, sizeof buf);
 183         if (buf[0] == '2') {
 184                 WC->new_mail = extract_int(&buf[4], 0);
 185                 WC->need_regi = extract_int(&buf[4], 1);
 186                 WC->need_vali = extract_int(&buf[4], 2);
 187                 extract_token(WC->cs_inet_email, &buf[4], 3, '|', sizeof WC->cs_inet_email);
 188         }
 189
 190         get_preference("floordiv_expanded", &FloorDiv);
 191         WC->floordiv_expanded = FloorDiv;
 192 }
 193
 194
 195 /*
 196  * Perform authentication using a user name and password
 197  */
 198 void do_login(void)
 199 {
 200         wcsession *WCC = WC;
 201         StrBuf *Buf;
 202
 203         if (havebstr("language")) {
 204                 set_selected_language(bstr("language"));
 205                 go_selected_language();
 206         }
 207
 208         if (havebstr("exit_action")) {
 209                 do_logout();
 210                 return;
 211         }
 212         Buf = NewStrBuf();
 213         if (havebstr("login_action")) {
 214                 serv_printf("USER %s", bstr("name"));
 215                 StrBuf_ServGetln(Buf);
 216                 if (GetServerStatus(Buf, NULL) == 3) {
 217                         serv_printf("PASS %s", bstr("pass"));
 218                         StrBuf_ServGetln(Buf);
 219                         if (GetServerStatus(Buf, NULL) == 2) {
 220                                 become_logged_in(sbstr("name"), sbstr("pass"), Buf);
 221                         } else {
 222                                 snprintf(WCC->ImportantMessage,
 223                                          sizeof (WCC->ImportantMessage),
 224                                          "%s",
 225                                          &(ChrPtr(Buf))[4]);
 226                                 display_login();
 227                                 FreeStrBuf(&Buf);
 228                                 return;
 229                         }
 230                 } else {
 231                         snprintf(WCC->ImportantMessage,
 232                                  sizeof (WCC->ImportantMessage),
 233                                  "%s",
 234                                  &(ChrPtr(Buf))[4]);
 235                         display_login();
 236                         FreeStrBuf(&Buf);
 237                         return;
 238                 }
 239         }
 240         if (havebstr("newuser_action")) {
 241                 if (!havebstr("pass")) {
 242                         snprintf(WCC->ImportantMessage,
 243                                  sizeof (WCC->ImportantMessage),
 244                                  "%s",
 245                                  _("Blank passwords are not allowed."));
 246                         display_login();
 247                         FreeStrBuf(&Buf);
 248                         return;
 249                 }
 250                 serv_printf("NEWU %s", bstr("name"));
 251                 StrBuf_ServGetln(Buf);
 252                 if (GetServerStatus(Buf, NULL) == 2) {
 253                         become_logged_in(sbstr("name"), sbstr("pass"), Buf);
 254                         serv_printf("SETP %s", bstr("pass"));
 255                         StrBuf_ServGetln(Buf); /* Don't care? */
 256                 } else {
 257                         snprintf(WCC->ImportantMessage,
 258                                  sizeof (WCC->ImportantMessage),
 259                                  "%s",
 260                                  &(ChrPtr(Buf))[4]);
 261                         display_login();
 262                         FreeStrBuf(&Buf);
 263                         return;
 264                 }
 265         }
 266         if (WCC->logged_in) {
 267                 set_preference("language", NewStrBufPlain(bstr("language"), -1), 1);
 268                 if (WCC->need_regi) {
 269                         display_reg(1);
 270                 } else if (WCC->need_vali) {
 271                         validate();
 272                 } else {
 273                         do_welcome();
 274                 }
 275         } else {
 276                 snprintf(WCC->ImportantMessage,
 277                          sizeof (WCC->ImportantMessage),
 278                          "%s",
 279                          _("Your password was not accepted."));
 280                 display_login();
 281         }
 282         FreeStrBuf(&Buf);
 283 }
 284
 285 /*
 286  * Try to create an account manually after an OpenID was verified
 287  */
 288 void openid_manual_create(void)
 289 {
 290         StrBuf *Buf;
 291
 292         if (havebstr("exit_action")) {
 293                 do_logout();
 294                 return;
 295         }
 296
 297         if (havebstr("newuser_action")) {
 298                 Buf = NewStrBuf();
 299                 serv_printf("OIDC %s", bstr("name"));
 300                 StrBuf_ServGetln(Buf);
 301                 if (GetServerStatus(Buf, NULL) == 2) {
 302                         StrBuf *gpass;
 303
 304                         gpass = NewStrBuf();
 305                         serv_puts("SETP GENERATE_RANDOM_PASSWORD");
 306                         StrBuf_ServGetln(gpass);
 307                         StrBufCutLeft(gpass, 4);
 308                         become_logged_in(sbstr("name"), gpass, Buf);
 309                         FreeStrBuf(&gpass);
 310                 }
 311                 FreeStrBuf(&Buf);
 312         }
 313
 314         if (WC->logged_in) {
 315                 if (WC->need_regi) {
 316                         display_reg(1);
 317                 } else if (WC->need_vali) {
 318                         validate();
 319                 } else {
 320                         do_welcome();
 321                 }
 322         } else {
 323                 display_openid_name_request(sbstr("openid_url"), sbstr("name"));
 324         }
 325
 326 }
 327
 328
 329 /*
 330  * Perform authentication using OpenID
 331  * assemble the checkid_setup request and then redirect to the user's identity provider
 332  */
 333 void do_openid_login(void)
 334 {
 335         wcsession *WCC = WC;
 336         char buf[4096];
 337
 338         if (havebstr("language")) {
 339                 set_selected_language(bstr("language"));
 340                 go_selected_language();
 341         }
 342
 343         if (havebstr("exit_action")) {
 344                 do_logout();
 345                 return;
 346         }
 347         if (havebstr("login_action")) {
 348                 snprintf(buf, sizeof buf,
 349                         "OIDS %s|%s://%s/finalize_openid_login|%s://%s",
 350                         bstr("openid_url"),
 351                          (is_https ? "https" : "http"), ChrPtr(WCC->http_host),
 352                          (is_https ? "https" : "http"), ChrPtr(WCC->http_host)
 353                 );
 354
 355                 serv_puts(buf);
 356                 serv_getln(buf, sizeof buf);
 357                 if (buf[0] == '2') {
 358                         lprintf(CTDL_DEBUG, "OpenID server contacted; redirecting to %s\n", &buf[4]);
 359                         http_redirect(&buf[4]);
 360                         return;
 361                 }
 362                 else {
 363                         display_openid_login(&buf[4]);
 364                         return;
 365                 }
 366         }
 367
 368         /* If we get to this point then something failed. */
 369         display_openid_login(_("Your password was not accepted."));
 370 }
 371
 372 /*
 373  * Complete the authentication using OpenID
 374  * This function handles the positive or negative assertion from the user's Identity Provider
 375  */
 376 void finalize_openid_login(void)
 377 {
 378         StrBuf *Buf;
 379         wcsession *WCC = WC;
 380         int already_logged_in = (WCC->logged_in) ;
 381         int linecount = 0;
 382         StrBuf *result = NULL;
 383         StrBuf *username = NULL;
 384         StrBuf *password = NULL;
 385         StrBuf *logged_in_response = NULL;
 386         StrBuf *claimed_id = NULL;
 387
 388         if (havebstr("openid.mode")) {
 389                 if (!strcasecmp(bstr("openid.mode"), "id_res")) {
 390                         Buf = NewStrBuf();
 391                         serv_puts("OIDF");
 392                         StrBuf_ServGetln(Buf);
 393                         if (GetServerStatus(Buf, NULL) == 8) {
 394                                 urlcontent *u;
 395                                 void *U;
 396                                 long HKLen;
 397                                 const char *HKey;
 398                                 HashPos *Cursor;
 399
 400                                 Cursor = GetNewHashPos (WCC->urlstrings, 0);
 401                                 while (GetNextHashPos(WCC->urlstrings, Cursor, &HKLen, &HKey, &U)) {
 402                                         u = (urlcontent*) U;
 403                                         if (!strncasecmp(u->url_key, "openid.", 7)) {
 404                                                 serv_printf("%s|%s", &u->url_key[7], ChrPtr(u->url_data));
 405                                         }
 406                                 }
 407
 408                                 serv_puts("000");
 409
 410                                 linecount = 0;
 411                                 while (StrBuf_ServGetln(Buf),
 412                                        (StrLength(Buf)==3) &&
 413                                        !strcmp(ChrPtr(Buf), "000"))
 414                                 {
 415                                         if (linecount == 0) result = NewStrBufDup(Buf);
 416                                         if (!strcasecmp(ChrPtr(result), "authenticate")) {
 417                                                 if (linecount == 1) {
 418                                                         username = NewStrBufDup(Buf);
 419                                                 }
 420                                                 else if (linecount == 2) {
 421                                                         password = NewStrBufDup(Buf);
 422                                                 }
 423                                                 else if (linecount == 3) {
 424                                                         logged_in_response = NewStrBufDup(Buf);
 425                                                 }
 426                                         }
 427                                         else if (!strcasecmp(ChrPtr(result), "verify_only")) {
 428                                                 if (linecount == 1) {
 429                                                         claimed_id = NewStrBufDup(Buf);
 430                                                 }
 431                                                 if (linecount == 2) {
 432                                                         username = NewStrBufDup(Buf);
 433                                                 }
 434                                         }
 435                                         ++linecount;
 436                                 }
 437                         }
 438                         FreeStrBuf(&Buf);
 439                 }
 440         }
 441
 442         /* If we were already logged in, this was an attempt to associate an OpenID account */
 443         if (already_logged_in) {
 444                 display_openids();
 445                 FreeStrBuf(&result);
 446                 FreeStrBuf(&username);
 447                 FreeStrBuf(&password);
 448                 FreeStrBuf(&claimed_id);
 449                 FreeStrBuf(&logged_in_response);
 450                 return;
 451         }
 452
 453         /* If this operation logged us in, either by connecting with an existing account or by
 454          * auto-creating one using Simple Registration Extension, we're already on our way.
 455          */
 456         if (!strcasecmp(ChrPtr(result), "authenticate")) {
 457                 become_logged_in(username, password, logged_in_response);
 458         }
 459
 460         /* The specified OpenID was verified but the desired user name was either not specified via SRI
 461          * or conflicts with an existing user.  Either way the user will need to specify a new name.
 462          */
 463
 464         else if (!strcasecmp(ChrPtr(result), "verify_only")) {
 465                 display_openid_name_request(claimed_id, username);
 466         }
 467
 468         /* Did we manage to log in?  If so, continue with the normal flow... */
 469         if (WC->logged_in) {
 470                 if (WC->need_regi) {
 471                         display_reg(1);
 472                 } else {
 473                         do_welcome();
 474                 }
 475         } else {
 476                 display_openid_login(_("Your password was not accepted."));
 477         }
 478
 479         FreeStrBuf(&result);
 480         FreeStrBuf(&username);
 481         FreeStrBuf(&password);
 482         FreeStrBuf(&claimed_id);
 483         FreeStrBuf(&logged_in_response);
 484 }
 485
 486
 487 /*
 488  * Display a welcome screen to the user.
 489  *
 490  * If this is the first time login, and the web based setup is enabled,
 491  * lead the user through the setup routines
 492  */
 493 void do_welcome(void)
 494 {
 495         StrBuf *Buf;
 496 #ifdef XXX_NOT_FINISHED_YET_XXX
 497         FILE *fp;
 498         int i;
 499
 500         /**
 501          * See if we have to run the first-time setup wizard
 502          */
 503         if (WC->is_aide) {
 504                 if (!setup_wizard) {
 505                         int len;
 506                         sprintf(wizard_filename, "setupwiz.%s.%s",
 507                                 ctdlhost, ctdlport);
 508                         len = strlen(wizard_filename);
 509                         for (i=0; i<len; ++i) {
 510                                 if (    (wizard_filename[i]==' ')
 511                                         || (wizard_filename[i] == '/')
 512                                 ) {
 513                                         wizard_filename[i] = '_';
 514                                 }
 515                         }
 516
 517                         fp = fopen(wizard_filename, "r");
 518                         if (fp != NULL) {
 519                                 fgets(buf, sizeof buf, fp);
 520                                 buf[strlen(buf)-1] = 0;
 521                                 fclose(fp);
 522                                 if (atoi(buf) == serv_info.serv_rev_level) {
 523                                         setup_wizard = 1; /**< already run */
 524                                 }
 525                         }
 526                 }
 527
 528                 if (!setup_wizard) {
 529                         http_redirect("setup_wizard");
 530                 }
 531         }
 532 #endif
 533
 534         /*
 535          * Go to the user's preferred start page
 536          */
 537         if (!get_preference("startpage", &Buf)) {
 538                 Buf = NewStrBuf ();
 539                 StrBufPrintf(Buf, "dotskip&room=_BASEROOM_");
 540                 set_preference("startpage", Buf, 1);
 541         }
 542         if (ChrPtr(Buf)[0] == '/') {
 543                 StrBufCutLeft(Buf, 1);
 544         }
 545         if (StrLength(Buf) == 0)
 546                 StrBufAppendBufPlain(Buf, "dotgoto?room=_BASEROOM_", -1, 0);
 547         http_redirect(ChrPtr(Buf));
 548 }
 549
 550
 551 /*
 552  * Disconnect from the Citadel server, and end this WebCit session
 553  */
 554 void end_webcit_session(void) {
 555
 556         serv_puts("QUIT");
 557         WC->killthis = 1;
 558         /* close() of citadel socket will be done by do_housekeeping() */
 559 }
 560
 561 /*
 562  * execute the logout
 563  */
 564 void do_logout(void)
 565 {
 566         char buf[SIZ];
 567
 568         FlushStrBuf(WC->wc_username);
 569         FlushStrBuf(WC->wc_password);
 570         FlushStrBuf(WC->wc_roomname);
 571         FlushStrBuf(WC->wc_fullname);
 572
 573         /* FIXME: this is to suppress the iconbar displaying, because we aren't
 574            actually logged out yet */
 575         WC->logged_in = 0;
 576
 577         /** Calling output_headers() this way causes the cookies to be un-set */
 578         output_headers(1, 1, 0, 1, 0, 0);
 579
 580         wprintf("<div id=\"logout_screen\">");
 581         wprintf("<div class=\"box\">");
 582         wprintf("<div class=\"boxlabel\">");
 583         wprintf(_("Log off"));
 584         wprintf("</div><div class=\"boxcontent\">");
 585         serv_puts("MESG goodbye");
 586         serv_getln(buf, sizeof buf);
 587
 588         if (WC->serv_sock >= 0) {
 589                 if (buf[0] == '1') {
 590                         fmout("CENTER");
 591                 } else {
 592                         wprintf("Goodbye\n");
 593                 }
 594         }
 595         else {
 596                 wprintf(_("This program was unable to connect or stay "
 597                         "connected to the Citadel server.  Please report "
 598                         "this problem to your system administrator.")
 599                 );
 600                 wprintf("<a href=\"http://www.citadel.org/doku.php/"
 601                         "faq:mastering_your_os:net#netstat\">%s</a>",
 602                         _("Read More..."));
 603         }
 604
 605         wprintf("<hr /><div class=\"buttons\"> "
 606                 "<span class=\"button_link\"><a href=\".\">");
 607         wprintf(_("Log in again"));
 608         wprintf("</a></span>&nbsp;&nbsp;&nbsp;<span class=\"button_link\">"
 609                 "<a href=\"javascript:window.close();\">");
 610         wprintf(_("Close window"));
 611         wprintf("</a></span></div></div></div></div>\n");
 612         wDumpContent(2);
 613         end_webcit_session();
 614 }
 615
 616
 617 /*
 618  * validate new users
 619  */
 620 void validate(void)
 621 {
 622         char cmd[SIZ];
 623         char user[SIZ];
 624         char buf[SIZ];
 625         int a;
 626
 627         output_headers(1, 1, 2, 0, 0, 0);
 628         wprintf("<div id=\"banner\">\n");
 629         wprintf("<h1>");
 630         wprintf(_("Validate new users"));
 631         wprintf("</h1>");
 632         wprintf("</div>\n");
 633
 634         wprintf("<div id=\"content\" class=\"service\">\n");
 635
 636         /* If the user just submitted a validation, process it... */
 637         safestrncpy(buf, bstr("user"), sizeof buf);
 638         if (!IsEmptyStr(buf)) {
 639                 if (havebstr("axlevel")) {
 640                         serv_printf("VALI %s|%s", buf, bstr("axlevel"));
 641                         serv_getln(buf, sizeof buf);
 642                         if (buf[0] != '2') {
 643                                 wprintf("<b>%s</b><br>\n", &buf[4]);
 644                         }
 645                 }
 646         }
 647
 648         /* Now see if any more users require validation. */
 649         serv_puts("GNUR");
 650         serv_getln(buf, sizeof buf);
 651         if (buf[0] == '2') {
 652                 wprintf("<b>");
 653                 wprintf(_("No users require validation at this time."));
 654                 wprintf("</b><br>\n");
 655                 wDumpContent(1);
 656                 return;
 657         }
 658         if (buf[0] != '3') {
 659                 wprintf("<b>%s</b><br>\n", &buf[4]);
 660                 wDumpContent(1);
 661                 return;
 662         }
 663
 664         wprintf("<div class=\"fix_scrollbar_bug\">"
 665                 "<table class=\"auth_validate\"><tr><td>\n");
 666         wprintf("<div id=\"validate\">");
 667
 668         safestrncpy(user, &buf[4], sizeof user);
 669         serv_printf("GREG %s", user);
 670         serv_getln(cmd, sizeof cmd);
 671         if (cmd[0] == '1') {
 672                 a = 0;
 673                 do {
 674                         serv_getln(buf, sizeof buf);
 675                         ++a;
 676                         if (a == 1)
 677                                 wprintf("#%s<br><H1>%s</H1>",
 678                                         buf, &cmd[4]);
 679                         if (a == 2) {
 680                                 char *pch;
 681                                 int haveChar = 0;
 682                                 int haveNum = 0;
 683                                 int haveOther = 0;
 684                                 int count = 0;
 685                                 pch = buf;
 686                                 while (!IsEmptyStr(pch))
 687                                 {
 688                                         if (isdigit(*pch))
 689                                                 haveNum = 1;
 690                                         else if (isalpha(*pch))
 691                                                 haveChar = 1;
 692                                         else
 693                                                 haveOther = 1;
 694                                         pch ++;
 695                                 }
 696                                 count = pch - buf;
 697                                 if (count > 7)
 698                                         count = 0;
 699                                 switch (count){
 700                                 case 0:
 701                                         pch = _("very weak");
 702                                         break;
 703                                 case 1:
 704                                         pch = _("weak");
 705                                         break;
 706                                 case 2:
 707                                         pch = _("ok");
 708                                         break;
 709                                 case 3:
 710                                 default:
 711                                         pch = _("strong");
 712                                 }
 713
 714                                 wprintf("PW: %s<br>\n", pch);
 715                         }
 716                         if (a == 3)
 717                                 wprintf("%s<br>\n", buf);
 718                         if (a == 4)
 719                                 wprintf("%s<br>\n", buf);
 720                         if (a == 5)
 721                                 wprintf("%s, ", buf);
 722                         if (a == 6)
 723                                 wprintf("%s ", buf);
 724                         if (a == 7)
 725                                 wprintf("%s<br>\n", buf);
 726                         if (a == 8)
 727                                 wprintf("%s<br>\n", buf);
 728                         if (a == 9)
 729                                 wprintf(_("Current access level: %d (%s)\n"),
 730                                         atoi(buf), axdefs[atoi(buf)]);
 731                 } while (strcmp(buf, "000"));
 732         } else {
 733                 wprintf("<H1>%s</H1>%s<br />\n", user, &cmd[4]);
 734         }
 735
 736         wprintf("<hr />");
 737         wprintf(_("Select access level for this user:"));
 738         wprintf("<br />\n");
 739         for (a = 0; a <= 6; ++a) {
 740                 wprintf("<a href=\"validate?nonce=%d?user=", WC->nonce);
 741                 urlescputs(user);
 742                 wprintf("&axlevel=%d\">%s</A>&nbsp;&nbsp;&nbsp;\n",
 743                         a, axdefs[a]);
 744         }
 745         wprintf("<br />\n");
 746
 747         wprintf("</div>\n");
 748         wprintf("</td></tr></table></div>\n");
 749         wDumpContent(1);
 750 }
 751
 752
 753
 754 /*
 755  * Display form for registration.
 756  *
 757  * (Set during_login to 1 if this registration is being performed during
 758  * new user login and will require chaining to the proper screen.)
 759  */
 760 void display_reg(int during_login)
 761 {
 762         long vcard_msgnum;
 763
 764         if (goto_config_room() != 0) {
 765                 if (during_login) do_welcome();
 766                 else display_main_menu();
 767                 return;
 768         }
 769
 770         vcard_msgnum = locate_user_vcard_in_this_room();
 771         if (vcard_msgnum < 0L) {
 772                 if (during_login) do_welcome();
 773                 else display_main_menu();
 774                 return;
 775         }
 776
 777         if (during_login) {
 778                 do_edit_vcard(vcard_msgnum, "1", "do_welcome", USERCONFIGROOM);
 779         }
 780         else {
 781                 do_edit_vcard(vcard_msgnum, "1", "display_main_menu", USERCONFIGROOM);
 782         }
 783
 784 }
 785
 786
 787
 788
 789 /*
 790  * display form for changing your password
 791  */
 792 void display_changepw(void)
 793 {
 794         WCTemplputParams SubTP;
 795         char buf[SIZ];
 796         StrBuf *Buf;
 797         output_headers(1, 1, 1, 0, 0, 0);
 798
 799         Buf = NewStrBufPlain(_("Change your password"), -1);
 800         memset(&SubTP, 0, sizeof(WCTemplputParams));
 801         SubTP.Filter.ContextType = CTX_STRBUF;
 802         SubTP.Context = Buf;
 803         DoTemplate(HKEY("beginbox"), NULL, &SubTP);
 804
 805         FreeStrBuf(&Buf);
 806
 807         if (!IsEmptyStr(WC->ImportantMessage)) {
 808                 wprintf("<span class=\"errormsg\">"
 809                         "%s</span><br />\n", WC->ImportantMessage);
 810                 safestrncpy(WC->ImportantMessage, "", sizeof WC->ImportantMessage);
 811         }
 812
 813         serv_puts("MESG changepw");
 814         serv_getln(buf, sizeof buf);
 815         if (buf[0] == '1') {
 816                 fmout("CENTER");
 817         }
 818
 819         wprintf("<form name=\"changepwform\" action=\"changepw\" method=\"post\">\n");
 820         wprintf("<input type=\"hidden\" name=\"nonce\" value=\"%d\">\n", WC->nonce);
 821         wprintf("<table class=\"altern\" ");
 822         wprintf("<tr class=\"even\"><td>");
 823         wprintf(_("Enter new password:"));
 824         wprintf("</td><td>");
 825         wprintf("<input type=\"password\" name=\"newpass1\" value=\"\" maxlength=\"20\"></td></tr>\n");
 826         wprintf("<tr class=\"odd\"><td>");
 827         wprintf(_("Enter it again to confirm:"));
 828         wprintf("</td><td>");
 829         wprintf("<input type=\"password\" name=\"newpass2\" value=\"\" maxlength=\"20\"></td></tr>\n");
 830         wprintf("</table>\n");
 831
 832         wprintf("<div class=\"buttons\">\n");
 833         wprintf("<input type=\"submit\" name=\"change_action\" value=\"%s\">", _("Change password"));
 834         wprintf("&nbsp;");
 835         wprintf("<input type=\"submit\" name=\"cancel_action\" value=\"%s\">\n", _("Cancel"));
 836         wprintf("</div>\n");
 837         wprintf("</form>\n");
 838
 839         do_template("endbox", NULL);
 840         wDumpContent(1);
 841 }
 842
 843 /*
 844  * change password
 845  * if passwords match, propagate it to citserver.
 846  */
 847 void changepw(void)
 848 {
 849         char buf[SIZ];
 850         char newpass1[32], newpass2[32];
 851
 852         if (!havebstr("change_action")) {
 853                 safestrncpy(WC->ImportantMessage,
 854                         _("Cancelled.  Password was not changed."),
 855                         sizeof WC->ImportantMessage);
 856                 display_main_menu();
 857                 return;
 858         }
 859
 860         safestrncpy(newpass1, bstr("newpass1"), sizeof newpass1);
 861         safestrncpy(newpass2, bstr("newpass2"), sizeof newpass2);
 862
 863         if (strcasecmp(newpass1, newpass2)) {
 864                 safestrncpy(WC->ImportantMessage,
 865                         _("They don't match.  Password was not changed."),
 866                         sizeof WC->ImportantMessage);
 867                 display_changepw();
 868                 return;
 869         }
 870
 871         if (IsEmptyStr(newpass1)) {
 872                 safestrncpy(WC->ImportantMessage,
 873                         _("Blank passwords are not allowed."),
 874                         sizeof WC->ImportantMessage);
 875                 display_changepw();
 876                 return;
 877         }
 878
 879         serv_printf("SETP %s", newpass1);
 880         serv_getln(buf, sizeof buf);
 881         sprintf(WC->ImportantMessage, "%s", &buf[4]);
 882         if (buf[0] == '2') {
 883                 if (WC->wc_password == NULL)
 884                         WC->wc_password = NewStrBufPlain(buf, -1);
 885                 else {
 886                         FlushStrBuf(WC->wc_password);
 887                         StrBufAppendBufPlain(WC->wc_password,  buf, -1, 0);
 888                 }
 889                 display_main_menu();
 890         }
 891         else {
 892                 display_changepw();
 893         }
 894 }
 895
 896 int ConditionalAide(StrBuf *Target, WCTemplputParams *TP)
 897 {
 898         return (WC->is_aide == 0);
 899 }
 900
 901 int ConditionalRoomAide(StrBuf *Target, WCTemplputParams *TP)
 902 {
 903         return (WC->is_room_aide == 0);
 904 }
 905
 906 int ConditionalIsLoggedIn(StrBuf *Target, WCTemplputParams *TP) {
 907   return (WC->logged_in == 0);
 908 }
 909 int ConditionalRoomAcessDelete(StrBuf *Target, WCTemplputParams *TP)
 910 {
 911         wcsession *WCC = WC;
 912         return ( (WCC->is_room_aide) || (WCC->is_mailbox) || (WCC->room_flags2 & QR2_COLLABDEL) );
 913 }
 914
 915
 916
 917 void _display_openid_login(void) {display_openid_login(NULL);}
 918 void _display_reg(void) {display_reg(0);}
 919
 920
 921 void
 922 InitModule_AUTH
 923 (void)
 924 {
 925         WebcitAddUrlHandler(HKEY("do_welcome"), do_welcome, ANONYMOUS);
 926         WebcitAddUrlHandler(HKEY("login"), do_login, ANONYMOUS);
 927         WebcitAddUrlHandler(HKEY("display_openid_login"), _display_openid_login, ANONYMOUS);
 928         WebcitAddUrlHandler(HKEY("openid_login"), do_openid_login, ANONYMOUS);
 929         WebcitAddUrlHandler(HKEY("finalize_openid_login"), finalize_openid_login, ANONYMOUS);
 930         WebcitAddUrlHandler(HKEY("openid_manual_create"), openid_manual_create, ANONYMOUS);
 931         WebcitAddUrlHandler(HKEY("do_logout"), do_logout, 0);
 932         WebcitAddUrlHandler(HKEY("validate"), validate, 0);
 933         WebcitAddUrlHandler(HKEY("display_reg"), _display_reg, 0);
 934         WebcitAddUrlHandler(HKEY("display_changepw"), display_changepw, 0);
 935         WebcitAddUrlHandler(HKEY("changepw"), changepw, 0);
 936         WebcitAddUrlHandler(HKEY("termquit"), do_logout, 0);
 937
 938         RegisterConditional(HKEY("COND:AIDE"), 2, ConditionalAide, CTX_NONE);
 939         RegisterConditional(HKEY("COND:ROOMAIDE"), 2, ConditionalRoomAide, CTX_NONE);
 940         RegisterConditional(HKEY("COND:ACCESS:DELETE"), 2, ConditionalRoomAcessDelete, CTX_NONE);
 941         RegisterConditional(HKEY("COND:LOGGEDIN"), 2, ConditionalIsLoggedIn, CTX_NONE);
 942
 943         return ;
 944 }