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 align=center>"
  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_pref_long("current_iconbar", &WC->current_iconbar, current_iconbar_menu);
 191
 192         get_preference("floordiv_expanded", &FloorDiv);
 193         WC->floordiv_expanded = FloorDiv;
 194 }
 195
 196
 197 /*
 198  * Perform authentication using a user name and password
 199  */
 200 void do_login(void)
 201 {
 202         wcsession *WCC = WC;
 203         StrBuf *Buf;
 204
 205         if (havebstr("language")) {
 206                 set_selected_language(bstr("language"));
 207                 go_selected_language();
 208         }
 209
 210         if (havebstr("exit_action")) {
 211                 do_logout();
 212                 return;
 213         }
 214         Buf = NewStrBuf();
 215         if (havebstr("login_action")) {
 216                 serv_printf("USER %s", bstr("name"));
 217                 StrBuf_ServGetln(Buf);
 218                 if (GetServerStatus(Buf, NULL) == 3) {
 219                         serv_printf("PASS %s", bstr("pass"));
 220                         StrBuf_ServGetln(Buf);
 221                         if (GetServerStatus(Buf, NULL) == 2) {
 222                                 become_logged_in(sbstr("name"), sbstr("pass"), Buf);
 223                         } else {
 224                                 snprintf(WCC->ImportantMessage,
 225                                          sizeof (WCC->ImportantMessage),
 226                                          "%s",
 227                                          &(ChrPtr(Buf))[4]);
 228                                 display_login();
 229                                 FreeStrBuf(&Buf);
 230                                 return;
 231                         }
 232                 } else {
 233                         snprintf(WCC->ImportantMessage,
 234                                  sizeof (WCC->ImportantMessage),
 235                                  "%s",
 236                                  &(ChrPtr(Buf))[4]);
 237                         display_login();
 238                         FreeStrBuf(&Buf);
 239                         return;
 240                 }
 241         }
 242         if (havebstr("newuser_action")) {
 243                 if (!havebstr("pass")) {
 244                         snprintf(WCC->ImportantMessage,
 245                                  sizeof (WCC->ImportantMessage),
 246                                  "%s",
 247                                  _("Blank passwords are not allowed."));
 248                         display_login();
 249                         FreeStrBuf(&Buf);
 250                         return;
 251                 }
 252                 serv_printf("NEWU %s", bstr("name"));
 253                 StrBuf_ServGetln(Buf);
 254                 if (GetServerStatus(Buf, NULL) == 2) {
 255                         become_logged_in(sbstr("name"), sbstr("pass"), Buf);
 256                         serv_printf("SETP %s", bstr("pass"));
 257                         StrBuf_ServGetln(Buf); /* Don't care? */
 258                 } else {
 259                         snprintf(WCC->ImportantMessage,
 260                                  sizeof (WCC->ImportantMessage),
 261                                  "%s",
 262                                  &(ChrPtr(Buf))[4]);
 263                         display_login();
 264                         FreeStrBuf(&Buf);
 265                         return;
 266                 }
 267         }
 268         if (WCC->logged_in) {
 269                 set_preference("language", NewStrBufPlain(bstr("language"), -1), 1);
 270                 if (WCC->need_regi) {
 271                         display_reg(1);
 272                 } else if (WCC->need_vali) {
 273                         validate();
 274                 } else {
 275                         do_welcome();
 276                 }
 277         } else {
 278                 snprintf(WCC->ImportantMessage,
 279                          sizeof (WCC->ImportantMessage),
 280                          "%s",
 281                          _("Your password was not accepted."));
 282                 display_login();
 283         }
 284         FreeStrBuf(&Buf);
 285 }
 286
 287 /*
 288  * Try to create an account manually after an OpenID was verified
 289  */
 290 void openid_manual_create(void)
 291 {
 292         StrBuf *Buf;
 293
 294         if (havebstr("exit_action")) {
 295                 do_logout();
 296                 return;
 297         }
 298
 299         if (havebstr("newuser_action")) {
 300                 Buf = NewStrBuf();
 301                 serv_printf("OIDC %s", bstr("name"));
 302                 StrBuf_ServGetln(Buf);
 303                 if (GetServerStatus(Buf, NULL) == 2) {
 304                         StrBuf *gpass;
 305
 306                         gpass = NewStrBuf();
 307                         serv_puts("SETP GENERATE_RANDOM_PASSWORD");
 308                         StrBuf_ServGetln(gpass);
 309                         StrBufCutLeft(gpass, 4);
 310                         become_logged_in(sbstr("name"), gpass, Buf);
 311                         FreeStrBuf(&gpass);
 312                 }
 313                 FreeStrBuf(&Buf);
 314         }
 315
 316         if (WC->logged_in) {
 317                 if (WC->need_regi) {
 318                         display_reg(1);
 319                 } else if (WC->need_vali) {
 320                         validate();
 321                 } else {
 322                         do_welcome();
 323                 }
 324         } else {
 325                 display_openid_name_request(sbstr("openid_url"), sbstr("name"));
 326         }
 327
 328 }
 329
 330
 331 /*
 332  * Perform authentication using OpenID
 333  * assemble the checkid_setup request and then redirect to the user's identity provider
 334  */
 335 void do_openid_login(void)
 336 {
 337         char buf[4096];
 338
 339         if (havebstr("language")) {
 340                 set_selected_language(bstr("language"));
 341                 go_selected_language();
 342         }
 343
 344         if (havebstr("exit_action")) {
 345                 do_logout();
 346                 return;
 347         }
 348         if (havebstr("login_action")) {
 349                 snprintf(buf, sizeof buf,
 350                         "OIDS %s|%s://%s/finalize_openid_login|%s://%s",
 351                         bstr("openid_url"),
 352                         (is_https ? "https" : "http"), WC->http_host,
 353                         (is_https ? "https" : "http"), WC->http_host
 354                 );
 355
 356                 serv_puts(buf);
 357                 serv_getln(buf, sizeof buf);
 358                 if (buf[0] == '2') {
 359                         lprintf(CTDL_DEBUG, "OpenID server contacted; redirecting to %s\n", &buf[4]);
 360                         http_redirect(&buf[4]);
 361                         return;
 362                 }
 363                 else {
 364                         display_openid_login(&buf[4]);
 365                         return;
 366                 }
 367         }
 368
 369         /* If we get to this point then something failed. */
 370         display_openid_login(_("Your password was not accepted."));
 371 }
 372
 373 /*
 374  * Complete the authentication using OpenID
 375  * This function handles the positive or negative assertion from the user's Identity Provider
 376  */
 377 void finalize_openid_login(void)
 378 {
 379         StrBuf *Buf;
 380         wcsession *WCC = WC;
 381         int already_logged_in = (WCC->logged_in) ;
 382         int linecount = 0;
 383         StrBuf *result = NULL;
 384         StrBuf *username = NULL;
 385         StrBuf *password = NULL;
 386         StrBuf *logged_in_response = NULL;
 387         StrBuf *claimed_id = NULL;
 388
 389         if (havebstr("openid.mode")) {
 390                 if (!strcasecmp(bstr("openid.mode"), "id_res")) {
 391                         Buf = NewStrBuf();
 392                         serv_puts("OIDF");
 393                         StrBuf_ServGetln(Buf);
 394                         if (GetServerStatus(Buf, NULL) == 8) {
 395                                 urlcontent *u;
 396                                 void *U;
 397                                 long HKLen;
 398                                 const char *HKey;
 399                                 HashPos *Cursor;
 400
 401                                 Cursor = GetNewHashPos (WCC->urlstrings, 0);
 402                                 while (GetNextHashPos(WCC->urlstrings, Cursor, &HKLen, &HKey, &U)) {
 403                                         u = (urlcontent*) U;
 404                                         if (!strncasecmp(u->url_key, "openid.", 7)) {
 405                                                 serv_printf("%s|%s", &u->url_key[7], ChrPtr(u->url_data));
 406                                         }
 407                                 }
 408
 409                                 serv_puts("000");
 410
 411                                 linecount = 0;
 412                                 while (StrBuf_ServGetln(Buf),
 413                                        (StrLength(Buf)==3) &&
 414                                        !strcmp(ChrPtr(Buf), "000"))
 415                                 {
 416                                         if (linecount == 0) result = NewStrBufDup(Buf);
 417                                         if (!strcasecmp(ChrPtr(result), "authenticate")) {
 418                                                 if (linecount == 1) {
 419                                                         username = NewStrBufDup(Buf);
 420                                                 }
 421                                                 else if (linecount == 2) {
 422                                                         password = NewStrBufDup(Buf);
 423                                                 }
 424                                                 else if (linecount == 3) {
 425                                                         logged_in_response = NewStrBufDup(Buf);
 426                                                 }
 427                                         }
 428                                         else if (!strcasecmp(ChrPtr(result), "verify_only")) {
 429                                                 if (linecount == 1) {
 430                                                         claimed_id = NewStrBufDup(Buf);
 431                                                 }
 432                                                 if (linecount == 2) {
 433                                                         username = NewStrBufDup(Buf);
 434                                                 }
 435                                         }
 436                                         ++linecount;
 437                                 }
 438                         }
 439                         FreeStrBuf(&Buf);
 440                 }
 441         }
 442
 443         /* If we were already logged in, this was an attempt to associate an OpenID account */
 444         if (already_logged_in) {
 445                 display_openids();
 446                 FreeStrBuf(&result);
 447                 FreeStrBuf(&username);
 448                 FreeStrBuf(&password);
 449                 FreeStrBuf(&claimed_id);
 450                 FreeStrBuf(&logged_in_response);
 451                 return;
 452         }
 453
 454         /* If this operation logged us in, either by connecting with an existing account or by
 455          * auto-creating one using Simple Registration Extension, we're already on our way.
 456          */
 457         if (!strcasecmp(ChrPtr(result), "authenticate")) {
 458                 become_logged_in(username, password, logged_in_response);
 459         }
 460
 461         /* The specified OpenID was verified but the desired user name was either not specified via SRI
 462          * or conflicts with an existing user.  Either way the user will need to specify a new name.
 463          */
 464
 465         else if (!strcasecmp(ChrPtr(result), "verify_only")) {
 466                 display_openid_name_request(claimed_id, username);
 467         }
 468
 469         /* Did we manage to log in?  If so, continue with the normal flow... */
 470         if (WC->logged_in) {
 471                 if (WC->need_regi) {
 472                         display_reg(1);
 473                 } else {
 474                         do_welcome();
 475                 }
 476         } else {
 477                 display_openid_login(_("Your password was not accepted."));
 478         }
 479
 480         FreeStrBuf(&result);
 481         FreeStrBuf(&username);
 482         FreeStrBuf(&password);
 483         FreeStrBuf(&claimed_id);
 484         FreeStrBuf(&logged_in_response);
 485 }
 486
 487
 488 /*
 489  * Display a welcome screen to the user.
 490  *
 491  * If this is the first time login, and the web based setup is enabled,
 492  * lead the user through the setup routines
 493  */
 494 void do_welcome(void)
 495 {
 496         StrBuf *Buf;
 497 #ifdef XXX_NOT_FINISHED_YET_XXX
 498         FILE *fp;
 499         int i;
 500
 501         /**
 502          * See if we have to run the first-time setup wizard
 503          */
 504         if (WC->is_aide) {
 505                 if (!setup_wizard) {
 506                         int len;
 507                         sprintf(wizard_filename, "setupwiz.%s.%s",
 508                                 ctdlhost, ctdlport);
 509                         len = strlen(wizard_filename);
 510                         for (i=0; i<len; ++i) {
 511                                 if (    (wizard_filename[i]==' ')
 512                                         || (wizard_filename[i] == '/')
 513                                 ) {
 514                                         wizard_filename[i] = '_';
 515                                 }
 516                         }
 517
 518                         fp = fopen(wizard_filename, "r");
 519                         if (fp != NULL) {
 520                                 fgets(buf, sizeof buf, fp);
 521                                 buf[strlen(buf)-1] = 0;
 522                                 fclose(fp);
 523                                 if (atoi(buf) == serv_info.serv_rev_level) {
 524                                         setup_wizard = 1; /**< already run */
 525                                 }
 526                         }
 527                 }
 528
 529                 if (!setup_wizard) {
 530                         http_redirect("setup_wizard");
 531                 }
 532         }
 533 #endif
 534
 535         /*
 536          * Go to the user's preferred start page
 537          */
 538         if (!get_preference("startpage", &Buf)) {
 539                 Buf = NewStrBuf ();
 540                 StrBufPrintf(Buf, "dotskip&room=_BASEROOM_");
 541                 set_preference("startpage", Buf, 1);
 542         }
 543         if (ChrPtr(Buf)[0] == '/') {
 544                 StrBufCutLeft(Buf, 1);
 545         }
 546         if (StrLength(Buf) == 0)
 547                 StrBufAppendBufPlain(Buf, "dotgoto?room=_BASEROOM_", -1, 0);
 548         http_redirect(ChrPtr(Buf));
 549 }
 550
 551
 552 /*
 553  * Disconnect from the Citadel server, and end this WebCit session
 554  */
 555 void end_webcit_session(void) {
 556
 557         if (WC->logged_in) {
 558                 set_pref_long("current_iconbar", WC->current_iconbar, 0);
 559         }
 560
 561         serv_puts("QUIT");
 562         WC->killthis = 1;
 563         /* close() of citadel socket will be done by do_housekeeping() */
 564 }
 565
 566 /*
 567  * execute the logout
 568  */
 569 void do_logout(void)
 570 {
 571         char buf[SIZ];
 572
 573         FlushStrBuf(WC->wc_username);
 574         FlushStrBuf(WC->wc_password);
 575         FlushStrBuf(WC->wc_roomname);
 576         FlushStrBuf(WC->wc_fullname);
 577
 578         /** Calling output_headers() this way causes the cookies to be un-set */
 579         output_headers(1, 1, 0, 1, 0, 0);
 580
 581         wprintf("<div id=\"logout_screen\">");
 582         wprintf("<div class=\"box\">");
 583         wprintf("<div class=\"boxlabel\">");
 584         wprintf(_("Log off"));
 585         wprintf("</div><div class=\"boxcontent\">");
 586         serv_puts("MESG goodbye");
 587         serv_getln(buf, sizeof buf);
 588
 589         if (WC->serv_sock >= 0) {
 590                 if (buf[0] == '1') {
 591                         fmout("CENTER");
 592                 } else {
 593                         wprintf("Goodbye\n");
 594                 }
 595         }
 596         else {
 597                 wprintf(_("This program was unable to connect or stay "
 598                         "connected to the Citadel server.  Please report "
 599                         "this problem to your system administrator.")
 600                 );
 601                 wprintf("<a href=\"http://www.citadel.org/doku.php/"
 602                         "faq:mastering_your_os:net#netstat\">%s</a>",
 603                         _("Read More..."));
 604         }
 605
 606         wprintf("<hr /><div class=\"buttons\"> "
 607                 "<span class=\"button_link\"><a href=\".\">");
 608         wprintf(_("Log in again"));
 609         wprintf("</a></span>&nbsp;&nbsp;&nbsp;<span class=\"button_link\">"
 610                 "<a href=\"javascript:window.close();\">");
 611         wprintf(_("Close window"));
 612         wprintf("</a></span></div></div></div></div>\n");
 613         wDumpContent(2);
 614         end_webcit_session();
 615 }
 616
 617
 618 /*
 619  * validate new users
 620  */
 621 void validate(void)
 622 {
 623         char cmd[SIZ];
 624         char user[SIZ];
 625         char buf[SIZ];
 626         int a;
 627
 628         output_headers(1, 1, 2, 0, 0, 0);
 629         wprintf("<div id=\"banner\">\n");
 630         wprintf("<h1>");
 631         wprintf(_("Validate new users"));
 632         wprintf("</h1>");
 633         wprintf("</div>\n");
 634
 635         wprintf("<div id=\"content\" class=\"service\">\n");
 636
 637         /* If the user just submitted a validation, process it... */
 638         safestrncpy(buf, bstr("user"), sizeof buf);
 639         if (!IsEmptyStr(buf)) {
 640                 if (havebstr("axlevel")) {
 641                         serv_printf("VALI %s|%s", buf, bstr("axlevel"));
 642                         serv_getln(buf, sizeof buf);
 643                         if (buf[0] != '2') {
 644                                 wprintf("<b>%s</b><br />\n", &buf[4]);
 645                         }
 646                 }
 647         }
 648
 649         /* Now see if any more users require validation. */
 650         serv_puts("GNUR");
 651         serv_getln(buf, sizeof buf);
 652         if (buf[0] == '2') {
 653                 wprintf("<b>");
 654                 wprintf(_("No users require validation at this time."));
 655                 wprintf("</b><br />\n");
 656                 wDumpContent(1);
 657                 return;
 658         }
 659         if (buf[0] != '3') {
 660                 wprintf("<b>%s</b><br />\n", &buf[4]);
 661                 wDumpContent(1);
 662                 return;
 663         }
 664
 665         wprintf("<div class=\"fix_scrollbar_bug\">"
 666                 "<table class=\"auth_validate\"><tr><td>\n");
 667         wprintf("<center>");
 668
 669         safestrncpy(user, &buf[4], sizeof user);
 670         serv_printf("GREG %s", user);
 671         serv_getln(cmd, sizeof cmd);
 672         if (cmd[0] == '1') {
 673                 a = 0;
 674                 do {
 675                         serv_getln(buf, sizeof buf);
 676                         ++a;
 677                         if (a == 1)
 678                                 wprintf("#%s<br /><H1>%s</H1>",
 679                                         buf, &cmd[4]);
 680                         if (a == 2) {
 681                                 char *pch;
 682                                 int haveChar = 0;
 683                                 int haveNum = 0;
 684                                 int haveOther = 0;
 685                                 int count = 0;
 686                                 pch = buf;
 687                                 while (!IsEmptyStr(pch))
 688                                 {
 689                                         if (isdigit(*pch))
 690                                                 haveNum = 1;
 691                                         else if (isalpha(*pch))
 692                                                 haveChar = 1;
 693                                         else
 694                                                 haveOther = 1;
 695                                         pch ++;
 696                                 }
 697                                 count = pch - buf;
 698                                 if (count > 7)
 699                                         count = 0;
 700                                 switch (count){
 701                                 case 0:
 702                                         pch = _("very weak");
 703                                         break;
 704                                 case 1:
 705                                         pch = _("weak");
 706                                         break;
 707                                 case 2:
 708                                         pch = _("ok");
 709                                         break;
 710                                 case 3:
 711                                 default:
 712                                         pch = _("strong");
 713                                 }
 714
 715                                 wprintf("PW: %s<br />\n", pch);
 716                         }
 717                         if (a == 3)
 718                                 wprintf("%s<br />\n", buf);
 719                         if (a == 4)
 720                                 wprintf("%s<br />\n", buf);
 721                         if (a == 5)
 722                                 wprintf("%s, ", buf);
 723                         if (a == 6)
 724                                 wprintf("%s ", buf);
 725                         if (a == 7)
 726                                 wprintf("%s<br />\n", buf);
 727                         if (a == 8)
 728                                 wprintf("%s<br />\n", buf);
 729                         if (a == 9)
 730                                 wprintf(_("Current access level: %d (%s)\n"),
 731                                         atoi(buf), axdefs[atoi(buf)]);
 732                 } while (strcmp(buf, "000"));
 733         } else {
 734                 wprintf("<H1>%s</H1>%s<br />\n", user, &cmd[4]);
 735         }
 736
 737         wprintf("<hr />");
 738         wprintf(_("Select access level for this user:"));
 739         wprintf("<br />\n");
 740         for (a = 0; a <= 6; ++a) {
 741                 wprintf("<a href=\"validate?nonce=%d?user=", WC->nonce);
 742                 urlescputs(user);
 743                 wprintf("&axlevel=%d\">%s</A>&nbsp;&nbsp;&nbsp;\n",
 744                         a, axdefs[a]);
 745         }
 746         wprintf("<br />\n");
 747
 748         wprintf("</CENTER>\n");
 749         wprintf("</td></tr></table></div>\n");
 750         wDumpContent(1);
 751 }
 752
 753
 754
 755 /*
 756  * Display form for registration.
 757  *
 758  * (Set during_login to 1 if this registration is being performed during
 759  * new user login and will require chaining to the proper screen.)
 760  */
 761 void display_reg(int during_login)
 762 {
 763         long vcard_msgnum;
 764
 765         if (goto_config_room() != 0) {
 766                 if (during_login) do_welcome();
 767                 else display_main_menu();
 768                 return;
 769         }
 770
 771         vcard_msgnum = locate_user_vcard_in_this_room();
 772         if (vcard_msgnum < 0L) {
 773                 if (during_login) do_welcome();
 774                 else display_main_menu();
 775                 return;
 776         }
 777
 778         if (during_login) {
 779                 do_edit_vcard(vcard_msgnum, "1", "do_welcome", USERCONFIGROOM);
 780         }
 781         else {
 782                 do_edit_vcard(vcard_msgnum, "1", "display_main_menu", USERCONFIGROOM);
 783         }
 784
 785 }
 786
 787
 788
 789
 790 /*
 791  * display form for changing your password
 792  */
 793 void display_changepw(void)
 794 {
 795         WCTemplputParams SubTP;
 796         char buf[SIZ];
 797         StrBuf *Buf;
 798         output_headers(1, 1, 1, 0, 0, 0);
 799
 800         Buf = NewStrBufPlain(_("Change your password"), -1);
 801         memset(&SubTP, 0, sizeof(WCTemplputParams));
 802         SubTP.ContextType = CTX_STRBUF;
 803         SubTP.Context = Buf;
 804         DoTemplate(HKEY("beginbox"), NULL, &SubTP);
 805
 806         FreeStrBuf(&Buf);
 807
 808         if (!IsEmptyStr(WC->ImportantMessage)) {
 809                 wprintf("<span class=\"errormsg\">"
 810                         "%s</span><br />\n", WC->ImportantMessage);
 811                 safestrncpy(WC->ImportantMessage, "", sizeof WC->ImportantMessage);
 812         }
 813
 814         serv_puts("MESG changepw");
 815         serv_getln(buf, sizeof buf);
 816         if (buf[0] == '1') {
 817                 fmout("CENTER");
 818         }
 819
 820         wprintf("<form name=\"changepwform\" action=\"changepw\" method=\"post\">\n");
 821         wprintf("<input type=\"hidden\" name=\"nonce\" value=\"%d\">\n", WC->nonce);
 822         wprintf("<table class=\"altern\" ");
 823         wprintf("<tr class=\"even\"><td>");
 824         wprintf(_("Enter new password:"));
 825         wprintf("</td><td>");
 826         wprintf("<input type=\"password\" name=\"newpass1\" value=\"\" maxlength=\"20\"></td></tr>\n");
 827         wprintf("<tr class=\"odd\"><td>");
 828         wprintf(_("Enter it again to confirm:"));
 829         wprintf("</td><td>");
 830         wprintf("<input type=\"password\" name=\"newpass2\" value=\"\" maxlength=\"20\"></td></tr>\n");
 831         wprintf("</table>\n");
 832
 833         wprintf("<div class=\"buttons\">\n");
 834         wprintf("<input type=\"submit\" name=\"change_action\" value=\"%s\">", _("Change password"));
 835         wprintf("&nbsp;");
 836         wprintf("<input type=\"submit\" name=\"cancel_action\" value=\"%s\">\n", _("Cancel"));
 837         wprintf("</div>\n");
 838         wprintf("</form>\n");
 839
 840         do_template("endbox", NULL);
 841         wDumpContent(1);
 842 }
 843
 844 /*
 845  * change password
 846  * if passwords match, propagate it to citserver.
 847  */
 848 void changepw(void)
 849 {
 850         char buf[SIZ];
 851         char newpass1[32], newpass2[32];
 852
 853         if (!havebstr("change_action")) {
 854                 safestrncpy(WC->ImportantMessage,
 855                         _("Cancelled.  Password was not changed."),
 856                         sizeof WC->ImportantMessage);
 857                 display_main_menu();
 858                 return;
 859         }
 860
 861         safestrncpy(newpass1, bstr("newpass1"), sizeof newpass1);
 862         safestrncpy(newpass2, bstr("newpass2"), sizeof newpass2);
 863
 864         if (strcasecmp(newpass1, newpass2)) {
 865                 safestrncpy(WC->ImportantMessage,
 866                         _("They don't match.  Password was not changed."),
 867                         sizeof WC->ImportantMessage);
 868                 display_changepw();
 869                 return;
 870         }
 871
 872         if (IsEmptyStr(newpass1)) {
 873                 safestrncpy(WC->ImportantMessage,
 874                         _("Blank passwords are not allowed."),
 875                         sizeof WC->ImportantMessage);
 876                 display_changepw();
 877                 return;
 878         }
 879
 880         serv_printf("SETP %s", newpass1);
 881         serv_getln(buf, sizeof buf);
 882         sprintf(WC->ImportantMessage, "%s", &buf[4]);
 883         if (buf[0] == '2') {
 884                 if (WC->wc_password == NULL)
 885                         WC->wc_password = NewStrBufPlain(buf, -1);
 886                 else {
 887                         FlushStrBuf(WC->wc_password);
 888                         StrBufAppendBufPlain(WC->wc_password,  buf, -1, 0);
 889                 }
 890                 display_main_menu();
 891         }
 892         else {
 893                 display_changepw();
 894         }
 895 }
 896
 897 int ConditionalAide(StrBuf *Target, WCTemplputParams *TP)
 898 {
 899         return (WC->is_aide == 0);
 900 }
 901
 902 int ConditionalRoomAide(StrBuf *Target, WCTemplputParams *TP)
 903 {
 904         return (WC->is_room_aide == 0);
 905 }
 906
 907 int ConditionalRoomAcessDelete(StrBuf *Target, WCTemplputParams *TP)
 908 {
 909         wcsession *WCC = WC;
 910         return ( (WCC->is_room_aide) || (WCC->is_mailbox) || (WCC->room_flags2 & QR2_COLLABDEL) );
 911 }
 912
 913
 914
 915 void _display_openid_login(void) {display_openid_login(NULL);}
 916 void _display_reg(void) {display_reg(0);}
 917
 918
 919 void
 920 InitModule_AUTH
 921 (void)
 922 {
 923         WebcitAddUrlHandler(HKEY("do_welcome"), do_welcome, ANONYMOUS);
 924         WebcitAddUrlHandler(HKEY("login"), do_login, ANONYMOUS);
 925         WebcitAddUrlHandler(HKEY("display_openid_login"), _display_openid_login, ANONYMOUS);
 926         WebcitAddUrlHandler(HKEY("openid_login"), do_openid_login, ANONYMOUS);
 927         WebcitAddUrlHandler(HKEY("finalize_openid_login"), finalize_openid_login, ANONYMOUS);
 928         WebcitAddUrlHandler(HKEY("openid_manual_create"), openid_manual_create, ANONYMOUS);
 929         WebcitAddUrlHandler(HKEY("do_logout"), do_logout, 0);
 930         WebcitAddUrlHandler(HKEY("validate"), validate, 0);
 931         WebcitAddUrlHandler(HKEY("display_reg"), _display_reg, 0);
 932         WebcitAddUrlHandler(HKEY("display_changepw"), display_changepw, 0);
 933         WebcitAddUrlHandler(HKEY("changepw"), changepw, 0);
 934         WebcitAddUrlHandler(HKEY("termquit"), do_logout, 0);
 935
 936         RegisterConditional(HKEY("COND:AIDE"), 2, ConditionalAide, CTX_NONE);
 937         RegisterConditional(HKEY("COND:ROOMAIDE"), 2, ConditionalRoomAide, CTX_NONE);
 938         RegisterConditional(HKEY("COND:ACCESS:DELETE"), 2, ConditionalRoomAcessDelete, CTX_NONE);
 939
 940         return ;
 941 }