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         char buf[4096];
 336
 337         if (havebstr("language")) {
 338                 set_selected_language(bstr("language"));
 339                 go_selected_language();
 340         }
 341
 342         if (havebstr("exit_action")) {
 343                 do_logout();
 344                 return;
 345         }
 346         if (havebstr("login_action")) {
 347                 snprintf(buf, sizeof buf,
 348                         "OIDS %s|%s://%s/finalize_openid_login|%s://%s",
 349                         bstr("openid_url"),
 350                         (is_https ? "https" : "http"), WC->http_host,
 351                         (is_https ? "https" : "http"), WC->http_host
 352                 );
 353
 354                 serv_puts(buf);
 355                 serv_getln(buf, sizeof buf);
 356                 if (buf[0] == '2') {
 357                         lprintf(CTDL_DEBUG, "OpenID server contacted; redirecting to %s\n", &buf[4]);
 358                         http_redirect(&buf[4]);
 359                         return;
 360                 }
 361                 else {
 362                         display_openid_login(&buf[4]);
 363                         return;
 364                 }
 365         }
 366
 367         /* If we get to this point then something failed. */
 368         display_openid_login(_("Your password was not accepted."));
 369 }
 370
 371 /*
 372  * Complete the authentication using OpenID
 373  * This function handles the positive or negative assertion from the user's Identity Provider
 374  */
 375 void finalize_openid_login(void)
 376 {
 377         StrBuf *Buf;
 378         wcsession *WCC = WC;
 379         int already_logged_in = (WCC->logged_in) ;
 380         int linecount = 0;
 381         StrBuf *result = NULL;
 382         StrBuf *username = NULL;
 383         StrBuf *password = NULL;
 384         StrBuf *logged_in_response = NULL;
 385         StrBuf *claimed_id = NULL;
 386
 387         if (havebstr("openid.mode")) {
 388                 if (!strcasecmp(bstr("openid.mode"), "id_res")) {
 389                         Buf = NewStrBuf();
 390                         serv_puts("OIDF");
 391                         StrBuf_ServGetln(Buf);
 392                         if (GetServerStatus(Buf, NULL) == 8) {
 393                                 urlcontent *u;
 394                                 void *U;
 395                                 long HKLen;
 396                                 const char *HKey;
 397                                 HashPos *Cursor;
 398
 399                                 Cursor = GetNewHashPos (WCC->urlstrings, 0);
 400                                 while (GetNextHashPos(WCC->urlstrings, Cursor, &HKLen, &HKey, &U)) {
 401                                         u = (urlcontent*) U;
 402                                         if (!strncasecmp(u->url_key, "openid.", 7)) {
 403                                                 serv_printf("%s|%s", &u->url_key[7], ChrPtr(u->url_data));
 404                                         }
 405                                 }
 406
 407                                 serv_puts("000");
 408
 409                                 linecount = 0;
 410                                 while (StrBuf_ServGetln(Buf),
 411                                        (StrLength(Buf)==3) &&
 412                                        !strcmp(ChrPtr(Buf), "000"))
 413                                 {
 414                                         if (linecount == 0) result = NewStrBufDup(Buf);
 415                                         if (!strcasecmp(ChrPtr(result), "authenticate")) {
 416                                                 if (linecount == 1) {
 417                                                         username = NewStrBufDup(Buf);
 418                                                 }
 419                                                 else if (linecount == 2) {
 420                                                         password = NewStrBufDup(Buf);
 421                                                 }
 422                                                 else if (linecount == 3) {
 423                                                         logged_in_response = NewStrBufDup(Buf);
 424                                                 }
 425                                         }
 426                                         else if (!strcasecmp(ChrPtr(result), "verify_only")) {
 427                                                 if (linecount == 1) {
 428                                                         claimed_id = NewStrBufDup(Buf);
 429                                                 }
 430                                                 if (linecount == 2) {
 431                                                         username = NewStrBufDup(Buf);
 432                                                 }
 433                                         }
 434                                         ++linecount;
 435                                 }
 436                         }
 437                         FreeStrBuf(&Buf);
 438                 }
 439         }
 440
 441         /* If we were already logged in, this was an attempt to associate an OpenID account */
 442         if (already_logged_in) {
 443                 display_openids();
 444                 FreeStrBuf(&result);
 445                 FreeStrBuf(&username);
 446                 FreeStrBuf(&password);
 447                 FreeStrBuf(&claimed_id);
 448                 FreeStrBuf(&logged_in_response);
 449                 return;
 450         }
 451
 452         /* If this operation logged us in, either by connecting with an existing account or by
 453          * auto-creating one using Simple Registration Extension, we're already on our way.
 454          */
 455         if (!strcasecmp(ChrPtr(result), "authenticate")) {
 456                 become_logged_in(username, password, logged_in_response);
 457         }
 458
 459         /* The specified OpenID was verified but the desired user name was either not specified via SRI
 460          * or conflicts with an existing user.  Either way the user will need to specify a new name.
 461          */
 462
 463         else if (!strcasecmp(ChrPtr(result), "verify_only")) {
 464                 display_openid_name_request(claimed_id, username);
 465         }
 466
 467         /* Did we manage to log in?  If so, continue with the normal flow... */
 468         if (WC->logged_in) {
 469                 if (WC->need_regi) {
 470                         display_reg(1);
 471                 } else {
 472                         do_welcome();
 473                 }
 474         } else {
 475                 display_openid_login(_("Your password was not accepted."));
 476         }
 477
 478         FreeStrBuf(&result);
 479         FreeStrBuf(&username);
 480         FreeStrBuf(&password);
 481         FreeStrBuf(&claimed_id);
 482         FreeStrBuf(&logged_in_response);
 483 }
 484
 485
 486 /*
 487  * Display a welcome screen to the user.
 488  *
 489  * If this is the first time login, and the web based setup is enabled,
 490  * lead the user through the setup routines
 491  */
 492 void do_welcome(void)
 493 {
 494         StrBuf *Buf;
 495 #ifdef XXX_NOT_FINISHED_YET_XXX
 496         FILE *fp;
 497         int i;
 498
 499         /**
 500          * See if we have to run the first-time setup wizard
 501          */
 502         if (WC->is_aide) {
 503                 if (!setup_wizard) {
 504                         int len;
 505                         sprintf(wizard_filename, "setupwiz.%s.%s",
 506                                 ctdlhost, ctdlport);
 507                         len = strlen(wizard_filename);
 508                         for (i=0; i<len; ++i) {
 509                                 if (    (wizard_filename[i]==' ')
 510                                         || (wizard_filename[i] == '/')
 511                                 ) {
 512                                         wizard_filename[i] = '_';
 513                                 }
 514                         }
 515
 516                         fp = fopen(wizard_filename, "r");
 517                         if (fp != NULL) {
 518                                 fgets(buf, sizeof buf, fp);
 519                                 buf[strlen(buf)-1] = 0;
 520                                 fclose(fp);
 521                                 if (atoi(buf) == serv_info.serv_rev_level) {
 522                                         setup_wizard = 1; /**< already run */
 523                                 }
 524                         }
 525                 }
 526
 527                 if (!setup_wizard) {
 528                         http_redirect("setup_wizard");
 529                 }
 530         }
 531 #endif
 532
 533         /*
 534          * Go to the user's preferred start page
 535          */
 536         if (!get_preference("startpage", &Buf)) {
 537                 Buf = NewStrBuf ();
 538                 StrBufPrintf(Buf, "dotskip&room=_BASEROOM_");
 539                 set_preference("startpage", Buf, 1);
 540         }
 541         if (ChrPtr(Buf)[0] == '/') {
 542                 StrBufCutLeft(Buf, 1);
 543         }
 544         if (StrLength(Buf) == 0)
 545                 StrBufAppendBufPlain(Buf, "dotgoto?room=_BASEROOM_", -1, 0);
 546         http_redirect(ChrPtr(Buf));
 547 }
 548
 549
 550 /*
 551  * Disconnect from the Citadel server, and end this WebCit session
 552  */
 553 void end_webcit_session(void) {
 554
 555         serv_puts("QUIT");
 556         WC->killthis = 1;
 557         /* close() of citadel socket will be done by do_housekeeping() */
 558 }
 559
 560 /*
 561  * execute the logout
 562  */
 563 void do_logout(void)
 564 {
 565         char buf[SIZ];
 566
 567         FlushStrBuf(WC->wc_username);
 568         FlushStrBuf(WC->wc_password);
 569         FlushStrBuf(WC->wc_roomname);
 570         FlushStrBuf(WC->wc_fullname);
 571
 572         /** Calling output_headers() this way causes the cookies to be un-set */
 573         output_headers(1, 1, 0, 1, 0, 0);
 574
 575         wprintf("<div id=\"logout_screen\">");
 576         wprintf("<div class=\"box\">");
 577         wprintf("<div class=\"boxlabel\">");
 578         wprintf(_("Log off"));
 579         wprintf("</div><div class=\"boxcontent\">");
 580         serv_puts("MESG goodbye");
 581         serv_getln(buf, sizeof buf);
 582
 583         if (WC->serv_sock >= 0) {
 584                 if (buf[0] == '1') {
 585                         fmout("CENTER");
 586                 } else {
 587                         wprintf("Goodbye\n");
 588                 }
 589         }
 590         else {
 591                 wprintf(_("This program was unable to connect or stay "
 592                         "connected to the Citadel server.  Please report "
 593                         "this problem to your system administrator.")
 594                 );
 595                 wprintf("<a href=\"http://www.citadel.org/doku.php/"
 596                         "faq:mastering_your_os:net#netstat\">%s</a>",
 597                         _("Read More..."));
 598         }
 599
 600         wprintf("<hr /><div class=\"buttons\"> "
 601                 "<span class=\"button_link\"><a href=\".\">");
 602         wprintf(_("Log in again"));
 603         wprintf("</a></span>&nbsp;&nbsp;&nbsp;<span class=\"button_link\">"
 604                 "<a href=\"javascript:window.close();\">");
 605         wprintf(_("Close window"));
 606         wprintf("</a></span></div></div></div></div>\n");
 607         wDumpContent(2);
 608         end_webcit_session();
 609 }
 610
 611
 612 /*
 613  * validate new users
 614  */
 615 void validate(void)
 616 {
 617         char cmd[SIZ];
 618         char user[SIZ];
 619         char buf[SIZ];
 620         int a;
 621
 622         output_headers(1, 1, 2, 0, 0, 0);
 623         wprintf("<div id=\"banner\">\n");
 624         wprintf("<h1>");
 625         wprintf(_("Validate new users"));
 626         wprintf("</h1>");
 627         wprintf("</div>\n");
 628
 629         wprintf("<div id=\"content\" class=\"service\">\n");
 630
 631         /* If the user just submitted a validation, process it... */
 632         safestrncpy(buf, bstr("user"), sizeof buf);
 633         if (!IsEmptyStr(buf)) {
 634                 if (havebstr("axlevel")) {
 635                         serv_printf("VALI %s|%s", buf, bstr("axlevel"));
 636                         serv_getln(buf, sizeof buf);
 637                         if (buf[0] != '2') {
 638                                 wprintf("<b>%s</b><br>\n", &buf[4]);
 639                         }
 640                 }
 641         }
 642
 643         /* Now see if any more users require validation. */
 644         serv_puts("GNUR");
 645         serv_getln(buf, sizeof buf);
 646         if (buf[0] == '2') {
 647                 wprintf("<b>");
 648                 wprintf(_("No users require validation at this time."));
 649                 wprintf("</b><br>\n");
 650                 wDumpContent(1);
 651                 return;
 652         }
 653         if (buf[0] != '3') {
 654                 wprintf("<b>%s</b><br>\n", &buf[4]);
 655                 wDumpContent(1);
 656                 return;
 657         }
 658
 659         wprintf("<div class=\"fix_scrollbar_bug\">"
 660                 "<table class=\"auth_validate\"><tr><td>\n");
 661         wprintf("<div id=\"validate\">");
 662
 663         safestrncpy(user, &buf[4], sizeof user);
 664         serv_printf("GREG %s", user);
 665         serv_getln(cmd, sizeof cmd);
 666         if (cmd[0] == '1') {
 667                 a = 0;
 668                 do {
 669                         serv_getln(buf, sizeof buf);
 670                         ++a;
 671                         if (a == 1)
 672                                 wprintf("#%s<br><H1>%s</H1>",
 673                                         buf, &cmd[4]);
 674                         if (a == 2) {
 675                                 char *pch;
 676                                 int haveChar = 0;
 677                                 int haveNum = 0;
 678                                 int haveOther = 0;
 679                                 int count = 0;
 680                                 pch = buf;
 681                                 while (!IsEmptyStr(pch))
 682                                 {
 683                                         if (isdigit(*pch))
 684                                                 haveNum = 1;
 685                                         else if (isalpha(*pch))
 686                                                 haveChar = 1;
 687                                         else
 688                                                 haveOther = 1;
 689                                         pch ++;
 690                                 }
 691                                 count = pch - buf;
 692                                 if (count > 7)
 693                                         count = 0;
 694                                 switch (count){
 695                                 case 0:
 696                                         pch = _("very weak");
 697                                         break;
 698                                 case 1:
 699                                         pch = _("weak");
 700                                         break;
 701                                 case 2:
 702                                         pch = _("ok");
 703                                         break;
 704                                 case 3:
 705                                 default:
 706                                         pch = _("strong");
 707                                 }
 708
 709                                 wprintf("PW: %s<br>\n", pch);
 710                         }
 711                         if (a == 3)
 712                                 wprintf("%s<br>\n", buf);
 713                         if (a == 4)
 714                                 wprintf("%s<br>\n", buf);
 715                         if (a == 5)
 716                                 wprintf("%s, ", buf);
 717                         if (a == 6)
 718                                 wprintf("%s ", buf);
 719                         if (a == 7)
 720                                 wprintf("%s<br>\n", buf);
 721                         if (a == 8)
 722                                 wprintf("%s<br>\n", buf);
 723                         if (a == 9)
 724                                 wprintf(_("Current access level: %d (%s)\n"),
 725                                         atoi(buf), axdefs[atoi(buf)]);
 726                 } while (strcmp(buf, "000"));
 727         } else {
 728                 wprintf("<H1>%s</H1>%s<br />\n", user, &cmd[4]);
 729         }
 730
 731         wprintf("<hr />");
 732         wprintf(_("Select access level for this user:"));
 733         wprintf("<br />\n");
 734         for (a = 0; a <= 6; ++a) {
 735                 wprintf("<a href=\"validate?nonce=%d?user=", WC->nonce);
 736                 urlescputs(user);
 737                 wprintf("&axlevel=%d\">%s</A>&nbsp;&nbsp;&nbsp;\n",
 738                         a, axdefs[a]);
 739         }
 740         wprintf("<br />\n");
 741
 742         wprintf("</div>\n");
 743         wprintf("</td></tr></table></div>\n");
 744         wDumpContent(1);
 745 }
 746
 747
 748
 749 /*
 750  * Display form for registration.
 751  *
 752  * (Set during_login to 1 if this registration is being performed during
 753  * new user login and will require chaining to the proper screen.)
 754  */
 755 void display_reg(int during_login)
 756 {
 757         long vcard_msgnum;
 758
 759         if (goto_config_room() != 0) {
 760                 if (during_login) do_welcome();
 761                 else display_main_menu();
 762                 return;
 763         }
 764
 765         vcard_msgnum = locate_user_vcard_in_this_room();
 766         if (vcard_msgnum < 0L) {
 767                 if (during_login) do_welcome();
 768                 else display_main_menu();
 769                 return;
 770         }
 771
 772         if (during_login) {
 773                 do_edit_vcard(vcard_msgnum, "1", "do_welcome", USERCONFIGROOM);
 774         }
 775         else {
 776                 do_edit_vcard(vcard_msgnum, "1", "display_main_menu", USERCONFIGROOM);
 777         }
 778
 779 }
 780
 781
 782
 783
 784 /*
 785  * display form for changing your password
 786  */
 787 void display_changepw(void)
 788 {
 789         WCTemplputParams SubTP;
 790         char buf[SIZ];
 791         StrBuf *Buf;
 792         output_headers(1, 1, 1, 0, 0, 0);
 793
 794         Buf = NewStrBufPlain(_("Change your password"), -1);
 795         memset(&SubTP, 0, sizeof(WCTemplputParams));
 796         SubTP.Filter.ContextType = CTX_STRBUF;
 797         SubTP.Context = Buf;
 798         DoTemplate(HKEY("beginbox"), NULL, &SubTP);
 799
 800         FreeStrBuf(&Buf);
 801
 802         if (!IsEmptyStr(WC->ImportantMessage)) {
 803                 wprintf("<span class=\"errormsg\">"
 804                         "%s</span><br />\n", WC->ImportantMessage);
 805                 safestrncpy(WC->ImportantMessage, "", sizeof WC->ImportantMessage);
 806         }
 807
 808         serv_puts("MESG changepw");
 809         serv_getln(buf, sizeof buf);
 810         if (buf[0] == '1') {
 811                 fmout("CENTER");
 812         }
 813
 814         wprintf("<form name=\"changepwform\" action=\"changepw\" method=\"post\">\n");
 815         wprintf("<input type=\"hidden\" name=\"nonce\" value=\"%d\">\n", WC->nonce);
 816         wprintf("<table class=\"altern\" ");
 817         wprintf("<tr class=\"even\"><td>");
 818         wprintf(_("Enter new password:"));
 819         wprintf("</td><td>");
 820         wprintf("<input type=\"password\" name=\"newpass1\" value=\"\" maxlength=\"20\"></td></tr>\n");
 821         wprintf("<tr class=\"odd\"><td>");
 822         wprintf(_("Enter it again to confirm:"));
 823         wprintf("</td><td>");
 824         wprintf("<input type=\"password\" name=\"newpass2\" value=\"\" maxlength=\"20\"></td></tr>\n");
 825         wprintf("</table>\n");
 826
 827         wprintf("<div class=\"buttons\">\n");
 828         wprintf("<input type=\"submit\" name=\"change_action\" value=\"%s\">", _("Change password"));
 829         wprintf("&nbsp;");
 830         wprintf("<input type=\"submit\" name=\"cancel_action\" value=\"%s\">\n", _("Cancel"));
 831         wprintf("</div>\n");
 832         wprintf("</form>\n");
 833
 834         do_template("endbox", NULL);
 835         wDumpContent(1);
 836 }
 837
 838 /*
 839  * change password
 840  * if passwords match, propagate it to citserver.
 841  */
 842 void changepw(void)
 843 {
 844         char buf[SIZ];
 845         char newpass1[32], newpass2[32];
 846
 847         if (!havebstr("change_action")) {
 848                 safestrncpy(WC->ImportantMessage,
 849                         _("Cancelled.  Password was not changed."),
 850                         sizeof WC->ImportantMessage);
 851                 display_main_menu();
 852                 return;
 853         }
 854
 855         safestrncpy(newpass1, bstr("newpass1"), sizeof newpass1);
 856         safestrncpy(newpass2, bstr("newpass2"), sizeof newpass2);
 857
 858         if (strcasecmp(newpass1, newpass2)) {
 859                 safestrncpy(WC->ImportantMessage,
 860                         _("They don't match.  Password was not changed."),
 861                         sizeof WC->ImportantMessage);
 862                 display_changepw();
 863                 return;
 864         }
 865
 866         if (IsEmptyStr(newpass1)) {
 867                 safestrncpy(WC->ImportantMessage,
 868                         _("Blank passwords are not allowed."),
 869                         sizeof WC->ImportantMessage);
 870                 display_changepw();
 871                 return;
 872         }
 873
 874         serv_printf("SETP %s", newpass1);
 875         serv_getln(buf, sizeof buf);
 876         sprintf(WC->ImportantMessage, "%s", &buf[4]);
 877         if (buf[0] == '2') {
 878                 if (WC->wc_password == NULL)
 879                         WC->wc_password = NewStrBufPlain(buf, -1);
 880                 else {
 881                         FlushStrBuf(WC->wc_password);
 882                         StrBufAppendBufPlain(WC->wc_password,  buf, -1, 0);
 883                 }
 884                 display_main_menu();
 885         }
 886         else {
 887                 display_changepw();
 888         }
 889 }
 890
 891 int ConditionalAide(StrBuf *Target, WCTemplputParams *TP)
 892 {
 893         return (WC->is_aide == 0);
 894 }
 895
 896 int ConditionalRoomAide(StrBuf *Target, WCTemplputParams *TP)
 897 {
 898         return (WC->is_room_aide == 0);
 899 }
 900
 901 int ConditionalIsLoggedIn(StrBuf *Target, WCTemplputParams *TP) {
 902   return (WC->logged_in == 0);
 903 }
 904 int ConditionalRoomAcessDelete(StrBuf *Target, WCTemplputParams *TP)
 905 {
 906         wcsession *WCC = WC;
 907         return ( (WCC->is_room_aide) || (WCC->is_mailbox) || (WCC->room_flags2 & QR2_COLLABDEL) );
 908 }
 909
 910
 911
 912 void _display_openid_login(void) {display_openid_login(NULL);}
 913 void _display_reg(void) {display_reg(0);}
 914
 915
 916 void
 917 InitModule_AUTH
 918 (void)
 919 {
 920         WebcitAddUrlHandler(HKEY("do_welcome"), do_welcome, ANONYMOUS);
 921         WebcitAddUrlHandler(HKEY("login"), do_login, ANONYMOUS);
 922         WebcitAddUrlHandler(HKEY("display_openid_login"), _display_openid_login, ANONYMOUS);
 923         WebcitAddUrlHandler(HKEY("openid_login"), do_openid_login, ANONYMOUS);
 924         WebcitAddUrlHandler(HKEY("finalize_openid_login"), finalize_openid_login, ANONYMOUS);
 925         WebcitAddUrlHandler(HKEY("openid_manual_create"), openid_manual_create, ANONYMOUS);
 926         WebcitAddUrlHandler(HKEY("do_logout"), do_logout, 0);
 927         WebcitAddUrlHandler(HKEY("validate"), validate, 0);
 928         WebcitAddUrlHandler(HKEY("display_reg"), _display_reg, 0);
 929         WebcitAddUrlHandler(HKEY("display_changepw"), display_changepw, 0);
 930         WebcitAddUrlHandler(HKEY("changepw"), changepw, 0);
 931         WebcitAddUrlHandler(HKEY("termquit"), do_logout, 0);
 932
 933         RegisterConditional(HKEY("COND:AIDE"), 2, ConditionalAide, CTX_NONE);
 934         RegisterConditional(HKEY("COND:ROOMAIDE"), 2, ConditionalRoomAide, CTX_NONE);
 935         RegisterConditional(HKEY("COND:ACCESS:DELETE"), 2, ConditionalRoomAcessDelete, CTX_NONE);
 936         RegisterConditional(HKEY("COND:LOGGEDIN"), 2, ConditionalIsLoggedIn, CTX_NONE);
 937
 938         return ;
 939 }