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 int ReEstablish_Session(void)
  31 {
  32         StrBuf *Buf = NewStrBuf();
  33         wcsession *WCC = WC;
  34
  35         serv_printf("USER %s", ChrPtr(WCC->Hdr->c_username));
  36         StrBuf_ServGetln(Buf);
  37         if (GetServerStatus(Buf, NULL) == 3) {
  38                 serv_printf("PASS %s", ChrPtr(WCC->Hdr->c_password));
  39                 StrBuf_ServGetln(Buf);
  40                 if (GetServerStatus(Buf, NULL) == 2) {
  41                         become_logged_in(WCC->Hdr->c_username,
  42                                          WCC->Hdr->c_password, Buf);
  43                         get_preference("default_header_charset", &WCC->DefaultCharset);
  44                 }
  45         }
  46         /*
  47          * If we don't have a current room, but a cookie specifying the
  48          * current room is supplied, make an effort to go there.
  49          */
  50         if ((StrLength(WCC->wc_roomname) == 0) && (StrLength(WCC->Hdr->c_roomname) > 0)) {
  51                 serv_printf("GOTO %s",
  52                             ChrPtr(WCC->Hdr->c_roomname));
  53                 StrBuf_ServGetln(Buf);
  54                 if (GetServerStatus(Buf, NULL) == 2) {
  55                         if (WCC->wc_roomname == NULL) {
  56                                 WCC->wc_roomname = NewStrBufDup(WCC->Hdr->c_roomname);
  57                         }
  58                         else {
  59                                 FlushStrBuf(WCC->wc_roomname);
  60                                 StrBufAppendBuf(WCC->wc_roomname, WCC->Hdr->c_roomname, 0);
  61                         }
  62                 }
  63         }
  64         FreeStrBuf(&Buf);
  65 }
  66
  67
  68 /*
  69  * Display the login screen
  70  * mesg = the error message if last attempt failed.
  71  */
  72 void display_login(void)
  73 {
  74         begin_burst();
  75         output_headers(1, 0, 0, 0, 1, 0);
  76         do_template("login", NULL);
  77         end_burst();
  78 }
  79
  80
  81
  82
  83 /*
  84  * Display the openid-enabled login screen
  85  * mesg = the error message if last attempt failed.
  86  */
  87 void display_openid_login(char *mesg)
  88 {
  89   begin_burst();
  90   output_headers(1, 0, 0, 0, 1, 0);
  91   do_template("openid_login", NULL);
  92   end_burst();
  93 }
  94
  95
  96 void display_openid_name_request(const StrBuf *claimed_id, const StrBuf *username)
  97 {
  98         StrBuf *Buf = NULL;
  99
 100         output_headers(1, 1, 2, 0, 0, 0);
 101         wprintf("<div id=\"login_screen\">\n");
 102
 103         Buf = NewStrBufPlain(NULL, StrLength(claimed_id));
 104         StrEscAppend(Buf, claimed_id, NULL, 0, 0);
 105         svprintf(HKEY("VERIFIED"), WCS_STRING, _("Your OpenID <tt>%s</tt> was successfully verified."),
 106                  ChrPtr(Buf));
 107         SVPutBuf("CLAIMED_ID", Buf, 0);
 108
 109
 110         if (StrLength(username) > 0) {
 111                         Buf = NewStrBufPlain(NULL, StrLength(username));
 112                         StrEscAppend(Buf, claimed_id, NULL, 0, 0);
 113                         svprintf(HKEY("REASON"), WCS_STRING,
 114                                  _("However, the user name '%s' conflicts with an existing user."),
 115                                  ChrPtr(Buf));
 116                         FreeStrBuf(&Buf);
 117         }
 118         else {
 119                 svput("REASON", WCS_STRING, "");
 120         }
 121
 122         svput("ACTION_REQUESTED", WCS_STRING, _("Please specify the user name you would like to use."));
 123
 124         svput("USERNAME_BOX", WCS_STRING, _("User name:"));
 125         svput("NEWUSER_BUTTON", WCS_STRING, _("New User"));
 126         svput("EXIT_BUTTON", WCS_STRING, _("Exit"));
 127
 128         svprintf(HKEY("BOXTITLE"), WCS_STRING, _("%s - powered by <a href=\"http://www.citadel.org\">Citadel</a>"),
 129                  ChrPtr(WC->serv_info->serv_humannode));
 130
 131         do_template("openid_manual_create", NULL);
 132         wDumpContent(2);
 133 }
 134
 135
 136
 137 /* Initialize the session
 138  *
 139  * This function needs to get called whenever the session changes from
 140  * not-logged-in to logged-in, either by an explicit login by the user or
 141  * by a timed-out session automatically re-establishing with a little help
 142  * from the browser cookie.  Either way, we need to load access controls and
 143  * preferences from the server.
 144  *
 145  * user                 the username
 146  * pass                 his password
 147  * serv_response        The parameters returned from a Citadel USER or NEWU command
 148  */
 149 void become_logged_in(const StrBuf *user, const StrBuf *pass, StrBuf *serv_response)
 150 {
 151         wcsession *WCC = WC;
 152         StrBuf *Buf;
 153         StrBuf *FloorDiv;
 154         StrBuf *Language = NULL;
 155
 156         WCC->logged_in = 1;
 157
 158         if (WCC->wc_fullname == NULL)
 159                 WCC->wc_fullname = NewStrBufPlain(NULL, StrLength(serv_response));
 160         StrBufExtract_token(WCC->wc_fullname, serv_response, 0, '|');
 161         StrBufCutLeft(WCC->wc_fullname, 4 );
 162
 163         if (WCC->wc_username == NULL)
 164                 WCC->wc_username = NewStrBufDup(user);
 165         else {
 166                 FlushStrBuf(WCC->wc_username);
 167                 StrBufAppendBuf(WCC->wc_username, user, 0);
 168         }
 169
 170         if (WCC->wc_password == NULL)
 171                 WCC->wc_password = NewStrBufDup(pass);
 172         else {
 173                 FlushStrBuf(WCC->wc_password);
 174                 StrBufAppendBuf(WCC->wc_password, pass, 0);
 175         }
 176
 177         WCC->axlevel = StrBufExtract_int(serv_response, 1, '|');
 178         if (WCC->axlevel >= 6) { /* TODO: make this a define, else it might trick us later */
 179                 WCC->is_aide = 1;
 180         }
 181
 182         load_preferences();
 183
 184         Buf = NewStrBuf();
 185         serv_puts("CHEK");
 186         StrBuf_ServGetln(Buf);
 187         if (GetServerStatus(Buf, NULL) == 2) {
 188                 const char *pch;
 189
 190                 pch = ChrPtr(Buf) + 4;
 191                 WCC->new_mail  = StrBufExtractNext_long(Buf, &pch, '|');
 192                 WCC->need_regi = StrBufExtractNext_long(Buf, &pch, '|');
 193                 WCC->need_vali = StrBufExtractNext_long(Buf, &pch, '|');
 194                 if (WCC->cs_inet_email == NULL)
 195                         WCC->cs_inet_email  = NewStrBuf();
 196                 StrBufExtract_NextToken(WCC->cs_inet_email, Buf, &pch, '|');
 197         }
 198         if (havebstr("language"))
 199                 set_preference("language", NewStrBufDup(SBSTR("language")), 1);
 200         else {
 201                 get_preference("language", &Language);
 202                 if (Language != NULL) {
 203                         set_selected_language(ChrPtr(Language));
 204                         go_selected_language();         /* set locale */
 205                 }
 206         }
 207         get_preference("floordiv_expanded", &FloorDiv);
 208         WCC->floordiv_expanded = FloorDiv;
 209         FreeStrBuf(&Buf);
 210 }
 211
 212
 213 /*
 214  * Perform authentication using a user name and password
 215  */
 216 void do_login(void)
 217 {
 218         wcsession *WCC = WC;
 219         StrBuf *Buf;
 220
 221         if (havebstr("language")) {
 222                 set_selected_language(bstr("language"));
 223                 go_selected_language();
 224         }
 225
 226         if (havebstr("exit_action")) {
 227                 do_logout();
 228                 return;
 229         }
 230         Buf = NewStrBuf();
 231         if (havebstr("login_action")) {
 232                 serv_printf("USER %s", bstr("name"));
 233                 StrBuf_ServGetln(Buf);
 234                 if (GetServerStatus(Buf, NULL) == 3) {
 235                         serv_printf("PASS %s", bstr("pass"));
 236                         StrBuf_ServGetln(Buf);
 237                         if (GetServerStatus(Buf, NULL) == 2) {
 238                                 become_logged_in(sbstr("name"), sbstr("pass"), Buf);
 239                         } else {
 240                                 snprintf(WCC->ImportantMessage,
 241                                          sizeof (WCC->ImportantMessage),
 242                                          "%s",
 243                                          &(ChrPtr(Buf))[4]);
 244                                 display_login();
 245                                 FreeStrBuf(&Buf);
 246                                 return;
 247                         }
 248                 } else {
 249                         snprintf(WCC->ImportantMessage,
 250                                  sizeof (WCC->ImportantMessage),
 251                                  "%s",
 252                                  &(ChrPtr(Buf))[4]);
 253                         display_login();
 254                         FreeStrBuf(&Buf);
 255                         return;
 256                 }
 257         }
 258         if (havebstr("newuser_action")) {
 259                 if (!havebstr("pass")) {
 260                         snprintf(WCC->ImportantMessage,
 261                                  sizeof (WCC->ImportantMessage),
 262                                  "%s",
 263                                  _("Blank passwords are not allowed."));
 264                         display_login();
 265                         FreeStrBuf(&Buf);
 266                         return;
 267                 }
 268                 serv_printf("NEWU %s", bstr("name"));
 269                 StrBuf_ServGetln(Buf);
 270                 if (GetServerStatus(Buf, NULL) == 2) {
 271                         become_logged_in(sbstr("name"), sbstr("pass"), Buf);
 272                         serv_printf("SETP %s", bstr("pass"));
 273                         StrBuf_ServGetln(Buf); /* Don't care? */
 274                 } else {
 275                         snprintf(WCC->ImportantMessage,
 276                                  sizeof (WCC->ImportantMessage),
 277                                  "%s",
 278                                  &(ChrPtr(Buf))[4]);
 279                         display_login();
 280                         FreeStrBuf(&Buf);
 281                         return;
 282                 }
 283         }
 284         if (WCC->logged_in) {
 285                 if (WCC->need_regi) {
 286                         display_reg(1);
 287                 } else if (WCC->need_vali) {
 288                         validate();
 289                 } else {
 290                         do_welcome();
 291                 }
 292         } else {
 293                 snprintf(WCC->ImportantMessage,
 294                          sizeof (WCC->ImportantMessage),
 295                          "%s",
 296                          _("Your password was not accepted."));
 297                 display_login();
 298         }
 299         FreeStrBuf(&Buf);
 300 }
 301
 302 /*
 303  * Try to create an account manually after an OpenID was verified
 304  */
 305 void openid_manual_create(void)
 306 {
 307         StrBuf *Buf;
 308
 309         if (havebstr("exit_action")) {
 310                 do_logout();
 311                 return;
 312         }
 313
 314         if (havebstr("newuser_action")) {
 315                 Buf = NewStrBuf();
 316                 serv_printf("OIDC %s", bstr("name"));
 317                 StrBuf_ServGetln(Buf);
 318                 if (GetServerStatus(Buf, NULL) == 2) {
 319                         StrBuf *gpass;
 320
 321                         gpass = NewStrBuf();
 322                         serv_puts("SETP GENERATE_RANDOM_PASSWORD");
 323                         StrBuf_ServGetln(gpass);
 324                         StrBufCutLeft(gpass, 4);
 325                         become_logged_in(sbstr("name"), gpass, Buf);
 326                         FreeStrBuf(&gpass);
 327                 }
 328                 FreeStrBuf(&Buf);
 329         }
 330
 331         if (WC->logged_in) {
 332                 if (WC->need_regi) {
 333                         display_reg(1);
 334                 } else if (WC->need_vali) {
 335                         validate();
 336                 } else {
 337                         do_welcome();
 338                 }
 339         } else {
 340                 display_openid_name_request(sbstr("openid_url"), sbstr("name"));
 341         }
 342
 343 }
 344
 345
 346 /*
 347  * Perform authentication using OpenID
 348  * assemble the checkid_setup request and then redirect to the user's identity provider
 349  */
 350 void do_openid_login(void)
 351 {
 352         wcsession *WCC = WC;
 353         char buf[4096];
 354
 355         if (havebstr("language")) {
 356                 set_selected_language(bstr("language"));
 357                 go_selected_language();
 358         }
 359
 360         if (havebstr("exit_action")) {
 361                 do_logout();
 362                 return;
 363         }
 364         if (havebstr("login_action")) {
 365                 snprintf(buf, sizeof buf,
 366                         "OIDS %s|%s://%s/finalize_openid_login|%s://%s",
 367                         bstr("openid_url"),
 368                          (is_https ? "https" : "http"), ChrPtr(WCC->Hdr->http_host),
 369                          (is_https ? "https" : "http"), ChrPtr(WCC->Hdr->http_host)
 370                 );
 371
 372                 serv_puts(buf);
 373                 serv_getln(buf, sizeof buf);
 374                 if (buf[0] == '2') {
 375                         lprintf(CTDL_DEBUG, "OpenID server contacted; redirecting to %s\n", &buf[4]);
 376                         http_redirect(&buf[4]);
 377                         return;
 378                 }
 379                 else {
 380                         display_openid_login(&buf[4]);
 381                         return;
 382                 }
 383         }
 384
 385         /* If we get to this point then something failed. */
 386         display_openid_login(_("Your password was not accepted."));
 387 }
 388
 389 /*
 390  * Complete the authentication using OpenID
 391  * This function handles the positive or negative assertion from the user's Identity Provider
 392  */
 393 void finalize_openid_login(void)
 394 {
 395         StrBuf *Buf;
 396         wcsession *WCC = WC;
 397         int already_logged_in = (WCC->logged_in) ;
 398         int linecount = 0;
 399         StrBuf *result = NULL;
 400         StrBuf *username = NULL;
 401         StrBuf *password = NULL;
 402         StrBuf *logged_in_response = NULL;
 403         StrBuf *claimed_id = NULL;
 404
 405         if (havebstr("openid.mode")) {
 406                 if (!strcasecmp(bstr("openid.mode"), "id_res")) {
 407                         Buf = NewStrBuf();
 408                         serv_puts("OIDF");
 409                         StrBuf_ServGetln(Buf);
 410                         if (GetServerStatus(Buf, NULL) == 8) {
 411                                 urlcontent *u;
 412                                 void *U;
 413                                 long HKLen;
 414                                 const char *HKey;
 415                                 HashPos *Cursor;
 416
 417                                 Cursor = GetNewHashPos (WCC->Hdr->urlstrings, 0);
 418                                 while (GetNextHashPos(WCC->Hdr->urlstrings, Cursor, &HKLen, &HKey, &U)) {
 419                                         u = (urlcontent*) U;
 420                                         if (!strncasecmp(u->url_key, "openid.", 7)) {
 421                                                 serv_printf("%s|%s", &u->url_key[7], ChrPtr(u->url_data));
 422                                         }
 423                                 }
 424
 425                                 serv_puts("000");
 426
 427                                 linecount = 0;
 428                                 while (StrBuf_ServGetln(Buf), strcmp(ChrPtr(Buf), "000"))
 429                                 {
 430                                         if (linecount == 0) result = NewStrBufDup(Buf);
 431                                         if (!strcasecmp(ChrPtr(result), "authenticate")) {
 432                                                 if (linecount == 1) {
 433                                                         username = NewStrBufDup(Buf);
 434                                                 }
 435                                                 else if (linecount == 2) {
 436                                                         password = NewStrBufDup(Buf);
 437                                                 }
 438                                                 else if (linecount == 3) {
 439                                                         logged_in_response = NewStrBufDup(Buf);
 440                                                 }
 441                                         }
 442                                         else if (!strcasecmp(ChrPtr(result), "verify_only")) {
 443                                                 if (linecount == 1) {
 444                                                         claimed_id = NewStrBufDup(Buf);
 445                                                 }
 446                                                 if (linecount == 2) {
 447                                                         username = NewStrBufDup(Buf);
 448                                                 }
 449                                         }
 450                                         ++linecount;
 451                                 }
 452                         }
 453                         FreeStrBuf(&Buf);
 454                 }
 455         }
 456
 457         /* If we were already logged in, this was an attempt to associate an OpenID account */
 458         if (already_logged_in) {
 459                 display_openids();
 460                 FreeStrBuf(&result);
 461                 FreeStrBuf(&username);
 462                 FreeStrBuf(&password);
 463                 FreeStrBuf(&claimed_id);
 464                 FreeStrBuf(&logged_in_response);
 465                 return;
 466         }
 467
 468         /* If this operation logged us in, either by connecting with an existing account or by
 469          * auto-creating one using Simple Registration Extension, we're already on our way.
 470          */
 471         if (!strcasecmp(ChrPtr(result), "authenticate")) {
 472                 become_logged_in(username, password, logged_in_response);
 473         }
 474
 475         /* The specified OpenID was verified but the desired user name was either not specified via SRI
 476          * or conflicts with an existing user.  Either way the user will need to specify a new name.
 477          */
 478
 479         else if (!strcasecmp(ChrPtr(result), "verify_only")) {
 480                 display_openid_name_request(claimed_id, username);
 481         }
 482
 483         /* Did we manage to log in?  If so, continue with the normal flow... */
 484         if (WC->logged_in) {
 485                 if (WC->need_regi) {
 486                         display_reg(1);
 487                 } else {
 488                         do_welcome();
 489                 }
 490         } else {
 491                 display_openid_login(_("Your password was not accepted."));
 492         }
 493
 494         FreeStrBuf(&result);
 495         FreeStrBuf(&username);
 496         FreeStrBuf(&password);
 497         FreeStrBuf(&claimed_id);
 498         FreeStrBuf(&logged_in_response);
 499 }
 500
 501
 502 /*
 503  * Display a welcome screen to the user.
 504  *
 505  * If this is the first time login, and the web based setup is enabled,
 506  * lead the user through the setup routines
 507  */
 508 void do_welcome(void)
 509 {
 510         StrBuf *Buf;
 511 #ifdef XXX_NOT_FINISHED_YET_XXX
 512         FILE *fp;
 513         int i;
 514
 515         /**
 516          * See if we have to run the first-time setup wizard
 517          */
 518         if (WC->is_aide) {
 519                 if (!setup_wizard) {
 520                         int len;
 521                         sprintf(wizard_filename, "setupwiz.%s.%s",
 522                                 ctdlhost, ctdlport);
 523                         len = strlen(wizard_filename);
 524                         for (i=0; i<len; ++i) {
 525                                 if (    (wizard_filename[i]==' ')
 526                                         || (wizard_filename[i] == '/')
 527                                 ) {
 528                                         wizard_filename[i] = '_';
 529                                 }
 530                         }
 531
 532                         fp = fopen(wizard_filename, "r");
 533                         if (fp != NULL) {
 534                                 fgets(buf, sizeof buf, fp);
 535                                 buf[strlen(buf)-1] = 0;
 536                                 fclose(fp);
 537                                 if (atoi(buf) == serv_info.serv_rev_level) {
 538                                         setup_wizard = 1; /**< already run */
 539                                 }
 540                         }
 541                 }
 542
 543                 if (!setup_wizard) {
 544                         http_redirect("setup_wizard");
 545                 }
 546         }
 547 #endif
 548
 549         /*
 550          * Go to the user's preferred start page
 551          */
 552         if (!get_preference("startpage", &Buf)) {
 553                 Buf = NewStrBuf ();
 554                 StrBufPrintf(Buf, "dotskip&room=_BASEROOM_");
 555                 set_preference("startpage", Buf, 1);
 556         }
 557         if (ChrPtr(Buf)[0] == '/') {
 558                 StrBufCutLeft(Buf, 1);
 559         }
 560         if (StrLength(Buf) == 0)
 561                 StrBufAppendBufPlain(Buf, "dotgoto?room=_BASEROOM_", -1, 0);
 562         http_redirect(ChrPtr(Buf));
 563 }
 564
 565
 566 /*
 567  * Disconnect from the Citadel server, and end this WebCit session
 568  */
 569 void end_webcit_session(void) {
 570
 571         serv_puts("QUIT");
 572         WC->killthis = 1;
 573         /* close() of citadel socket will be done by do_housekeeping() */
 574 }
 575
 576 /*
 577  * execute the logout
 578  */
 579 void do_logout(void)
 580 {
 581         wcsession *WCC = WC;
 582         char buf[SIZ];
 583
 584         FlushStrBuf(WCC->wc_username);
 585         FlushStrBuf(WCC->wc_password);
 586         FlushStrBuf(WCC->wc_roomname);
 587         FlushStrBuf(WCC->wc_fullname);
 588
 589         /* FIXME: this is to suppress the iconbar displaying, because we aren't
 590            actually logged out yet */
 591         WCC->logged_in = 0;
 592
 593         /** Calling output_headers() this way causes the cookies to be un-set */
 594         output_headers(1, 1, 0, 1, 0, 0);
 595
 596         wprintf("<div id=\"logout_screen\">");
 597         wprintf("<div class=\"box\">");
 598         wprintf("<div class=\"boxlabel\">");
 599         wprintf(_("Log off"));
 600         wprintf("</div><div class=\"boxcontent\">");
 601         serv_puts("MESG goodbye");
 602         serv_getln(buf, sizeof buf);
 603
 604         if (WCC->serv_sock >= 0) {
 605                 if (buf[0] == '1') {
 606                         fmout("CENTER");
 607                 } else {
 608                         wprintf("Goodbye\n");
 609                 }
 610         }
 611         else {
 612                 wprintf(_("This program was unable to connect or stay "
 613                         "connected to the Citadel server.  Please report "
 614                         "this problem to your system administrator.")
 615                 );
 616                 wprintf("<a href=\"http://www.citadel.org/doku.php/"
 617                         "faq:mastering_your_os:net#netstat\">%s</a>",
 618                         _("Read More..."));
 619         }
 620
 621         wprintf("<hr /><div class=\"buttons\"> "
 622                 "<span class=\"button_link\"><a href=\".\">");
 623         wprintf(_("Log in again"));
 624         wprintf("</a></span>");
 625
 626         /* The "close window" link is commented out because some browsers don't
 627          * allow it to work.
 628          *
 629         wprintf("&nbsp;&nbsp;&nbsp;<span class=\"button_link\">"
 630                 "<a href=\"javascript:window.close();\">");
 631         wprintf(_("Close window"));
 632         wprintf("</a></span>");
 633          */
 634
 635         wprintf("</div></div></div></div>\n");
 636         wDumpContent(2);
 637         end_webcit_session();
 638 }
 639
 640
 641 /*
 642  * validate new users
 643  */
 644 void validate(void)
 645 {
 646         char cmd[SIZ];
 647         char user[SIZ];
 648         char buf[SIZ];
 649         int a;
 650
 651         output_headers(1, 1, 2, 0, 0, 0);
 652         wprintf("<div id=\"banner\">\n");
 653         wprintf("<h1>");
 654         wprintf(_("Validate new users"));
 655         wprintf("</h1>");
 656         wprintf("</div>\n");
 657
 658         wprintf("<div id=\"content\" class=\"service\">\n");
 659
 660         /* If the user just submitted a validation, process it... */
 661         safestrncpy(buf, bstr("user"), sizeof buf);
 662         if (!IsEmptyStr(buf)) {
 663                 if (havebstr("axlevel")) {
 664                         serv_printf("VALI %s|%s", buf, bstr("axlevel"));
 665                         serv_getln(buf, sizeof buf);
 666                         if (buf[0] != '2') {
 667                                 wprintf("<b>%s</b><br>\n", &buf[4]);
 668                         }
 669                 }
 670         }
 671
 672         /* Now see if any more users require validation. */
 673         serv_puts("GNUR");
 674         serv_getln(buf, sizeof buf);
 675         if (buf[0] == '2') {
 676                 wprintf("<b>");
 677                 wprintf(_("No users require validation at this time."));
 678                 wprintf("</b><br>\n");
 679                 wDumpContent(1);
 680                 return;
 681         }
 682         if (buf[0] != '3') {
 683                 wprintf("<b>%s</b><br>\n", &buf[4]);
 684                 wDumpContent(1);
 685                 return;
 686         }
 687
 688         wprintf("<div class=\"fix_scrollbar_bug\">"
 689                 "<table class=\"auth_validate\"><tr><td>\n");
 690         wprintf("<div id=\"validate\">");
 691
 692         safestrncpy(user, &buf[4], sizeof user);
 693         serv_printf("GREG %s", user);
 694         serv_getln(cmd, sizeof cmd);
 695         if (cmd[0] == '1') {
 696                 a = 0;
 697                 do {
 698                         serv_getln(buf, sizeof buf);
 699                         ++a;
 700                         if (a == 1)
 701                                 wprintf("#%s<br><H1>%s</H1>",
 702                                         buf, &cmd[4]);
 703                         if (a == 2) {
 704                                 char *pch;
 705                                 int haveChar = 0;
 706                                 int haveNum = 0;
 707                                 int haveOther = 0;
 708                                 int count = 0;
 709                                 pch = buf;
 710                                 while (!IsEmptyStr(pch))
 711                                 {
 712                                         if (isdigit(*pch))
 713                                                 haveNum = 1;
 714                                         else if (isalpha(*pch))
 715                                                 haveChar = 1;
 716                                         else
 717                                                 haveOther = 1;
 718                                         pch ++;
 719                                 }
 720                                 count = pch - buf;
 721                                 if (count > 7)
 722                                         count = 0;
 723                                 switch (count){
 724                                 case 0:
 725                                         pch = _("very weak");
 726                                         break;
 727                                 case 1:
 728                                         pch = _("weak");
 729                                         break;
 730                                 case 2:
 731                                         pch = _("ok");
 732                                         break;
 733                                 case 3:
 734                                 default:
 735                                         pch = _("strong");
 736                                 }
 737
 738                                 wprintf("PW: %s<br>\n", pch);
 739                         }
 740                         if (a == 3)
 741                                 wprintf("%s<br>\n", buf);
 742                         if (a == 4)
 743                                 wprintf("%s<br>\n", buf);
 744                         if (a == 5)
 745                                 wprintf("%s, ", buf);
 746                         if (a == 6)
 747                                 wprintf("%s ", buf);
 748                         if (a == 7)
 749                                 wprintf("%s<br>\n", buf);
 750                         if (a == 8)
 751                                 wprintf("%s<br>\n", buf);
 752                         if (a == 9)
 753                                 wprintf(_("Current access level: %d (%s)\n"),
 754                                         atoi(buf), axdefs[atoi(buf)]);
 755                 } while (strcmp(buf, "000"));
 756         } else {
 757                 wprintf("<H1>%s</H1>%s<br />\n", user, &cmd[4]);
 758         }
 759
 760         wprintf("<hr />");
 761         wprintf(_("Select access level for this user:"));
 762         wprintf("<br />\n");
 763         for (a = 0; a <= 6; ++a) {
 764                 wprintf("<a href=\"validate?nonce=%d?user=", WC->nonce);
 765                 urlescputs(user);
 766                 wprintf("&axlevel=%d\">%s</A>&nbsp;&nbsp;&nbsp;\n",
 767                         a, axdefs[a]);
 768         }
 769         wprintf("<br />\n");
 770
 771         wprintf("</div>\n");
 772         wprintf("</td></tr></table></div>\n");
 773         wDumpContent(1);
 774 }
 775
 776
 777
 778 /*
 779  * Display form for registration.
 780  *
 781  * (Set during_login to 1 if this registration is being performed during
 782  * new user login and will require chaining to the proper screen.)
 783  */
 784 void display_reg(int during_login)
 785 {
 786         StrBuf *Buf;
 787         message_summary *VCMsg;
 788         wc_mime_attachment *VCAtt;
 789         long vcard_msgnum;
 790
 791         Buf = NewStrBuf();
 792         if (goto_config_room(Buf) != 0) {
 793                 if (during_login) do_welcome();
 794                 else display_main_menu();
 795                 FreeStrBuf(&Buf);
 796                 return;
 797         }
 798
 799         FreeStrBuf(&Buf);
 800         vcard_msgnum = locate_user_vcard_in_this_room(&VCMsg, &VCAtt);
 801         if (vcard_msgnum < 0L) {
 802                 if (during_login) do_welcome();
 803                 else display_main_menu();
 804                 return;
 805         }
 806
 807         if (during_login) {
 808                 do_edit_vcard(vcard_msgnum, "1", VCMsg, VCAtt, "do_welcome", USERCONFIGROOM);
 809         }
 810         else {
 811                 do_edit_vcard(vcard_msgnum, "1", VCMsg, VCAtt, "display_main_menu", USERCONFIGROOM);
 812         }
 813
 814 }
 815
 816
 817
 818
 819 /*
 820  * display form for changing your password
 821  */
 822 void display_changepw(void)
 823 {
 824         WCTemplputParams SubTP;
 825         char buf[SIZ];
 826         StrBuf *Buf;
 827         output_headers(1, 1, 1, 0, 0, 0);
 828
 829         Buf = NewStrBufPlain(_("Change your password"), -1);
 830         memset(&SubTP, 0, sizeof(WCTemplputParams));
 831         SubTP.Filter.ContextType = CTX_STRBUF;
 832         SubTP.Context = Buf;
 833         DoTemplate(HKEY("beginbox"), NULL, &SubTP);
 834
 835         FreeStrBuf(&Buf);
 836
 837         if (!IsEmptyStr(WC->ImportantMessage)) {
 838                 wprintf("<span class=\"errormsg\">"
 839                         "%s</span><br />\n", WC->ImportantMessage);
 840                 safestrncpy(WC->ImportantMessage, "", sizeof WC->ImportantMessage);
 841         }
 842
 843         serv_puts("MESG changepw");
 844         serv_getln(buf, sizeof buf);
 845         if (buf[0] == '1') {
 846                 fmout("CENTER");
 847         }
 848
 849         wprintf("<form name=\"changepwform\" action=\"changepw\" method=\"post\">\n");
 850         wprintf("<input type=\"hidden\" name=\"nonce\" value=\"%d\">\n", WC->nonce);
 851         wprintf("<table class=\"altern\" ");
 852         wprintf("<tr class=\"even\"><td>");
 853         wprintf(_("Enter new password:"));
 854         wprintf("</td><td>");
 855         wprintf("<input type=\"password\" name=\"newpass1\" value=\"\" maxlength=\"20\"></td></tr>\n");
 856         wprintf("<tr class=\"odd\"><td>");
 857         wprintf(_("Enter it again to confirm:"));
 858         wprintf("</td><td>");
 859         wprintf("<input type=\"password\" name=\"newpass2\" value=\"\" maxlength=\"20\"></td></tr>\n");
 860         wprintf("</table>\n");
 861
 862         wprintf("<div class=\"buttons\">\n");
 863         wprintf("<input type=\"submit\" name=\"change_action\" value=\"%s\">", _("Change password"));
 864         wprintf("&nbsp;");
 865         wprintf("<input type=\"submit\" name=\"cancel_action\" value=\"%s\">\n", _("Cancel"));
 866         wprintf("</div>\n");
 867         wprintf("</form>\n");
 868
 869         do_template("endbox", NULL);
 870         wDumpContent(1);
 871 }
 872
 873 /*
 874  * change password
 875  * if passwords match, propagate it to citserver.
 876  */
 877 void changepw(void)
 878 {
 879         char buf[SIZ];
 880         char newpass1[32], newpass2[32];
 881
 882         if (!havebstr("change_action")) {
 883                 safestrncpy(WC->ImportantMessage,
 884                         _("Cancelled.  Password was not changed."),
 885                         sizeof WC->ImportantMessage);
 886                 display_main_menu();
 887                 return;
 888         }
 889
 890         safestrncpy(newpass1, bstr("newpass1"), sizeof newpass1);
 891         safestrncpy(newpass2, bstr("newpass2"), sizeof newpass2);
 892
 893         if (strcasecmp(newpass1, newpass2)) {
 894                 safestrncpy(WC->ImportantMessage,
 895                         _("They don't match.  Password was not changed."),
 896                         sizeof WC->ImportantMessage);
 897                 display_changepw();
 898                 return;
 899         }
 900
 901         if (IsEmptyStr(newpass1)) {
 902                 safestrncpy(WC->ImportantMessage,
 903                         _("Blank passwords are not allowed."),
 904                         sizeof WC->ImportantMessage);
 905                 display_changepw();
 906                 return;
 907         }
 908
 909         serv_printf("SETP %s", newpass1);
 910         serv_getln(buf, sizeof buf);
 911         sprintf(WC->ImportantMessage, "%s", &buf[4]);
 912         if (buf[0] == '2') {
 913                 if (WC->wc_password == NULL)
 914                         WC->wc_password = NewStrBufPlain(buf, -1);
 915                 else {
 916                         FlushStrBuf(WC->wc_password);
 917                         StrBufAppendBufPlain(WC->wc_password,  buf, -1, 0);
 918                 }
 919                 display_main_menu();
 920         }
 921         else {
 922                 display_changepw();
 923         }
 924 }
 925
 926 int ConditionalAide(StrBuf *Target, WCTemplputParams *TP)
 927 {
 928         return (WC->is_aide == 0);
 929 }
 930
 931 int ConditionalRoomAide(StrBuf *Target, WCTemplputParams *TP)
 932 {
 933         return (WC->is_room_aide == 0);
 934 }
 935
 936 int ConditionalIsLoggedIn(StrBuf *Target, WCTemplputParams *TP) {
 937   return (WC->logged_in == 0);
 938 }
 939 int ConditionalRoomAcessDelete(StrBuf *Target, WCTemplputParams *TP)
 940 {
 941         wcsession *WCC = WC;
 942         return ( (WCC->is_room_aide) || (WCC->is_mailbox) || (WCC->room_flags2 & QR2_COLLABDEL) );
 943 }
 944
 945
 946
 947 void _display_openid_login(void) {display_openid_login(NULL);}
 948 void _display_reg(void) {display_reg(0);}
 949
 950
 951 void
 952 InitModule_AUTH
 953 (void)
 954 {
 955         WebcitAddUrlHandler(HKEY(""), do_welcome, ANONYMOUS|COOKIEUNNEEDED); /* no url pattern at all? Show login. */
 956         WebcitAddUrlHandler(HKEY("do_welcome"), do_welcome, ANONYMOUS|COOKIEUNNEEDED);
 957         WebcitAddUrlHandler(HKEY("login"), do_login, ANONYMOUS|COOKIEUNNEEDED);
 958         WebcitAddUrlHandler(HKEY("display_openid_login"), _display_openid_login, ANONYMOUS);
 959         WebcitAddUrlHandler(HKEY("openid_login"), do_openid_login, ANONYMOUS);
 960         WebcitAddUrlHandler(HKEY("finalize_openid_login"), finalize_openid_login, ANONYMOUS);
 961         WebcitAddUrlHandler(HKEY("openid_manual_create"), openid_manual_create, ANONYMOUS);
 962         WebcitAddUrlHandler(HKEY("do_logout"), do_logout, ANONYMOUS|COOKIEUNNEEDED|FORCE_SESSIONCLOSE);
 963         WebcitAddUrlHandler(HKEY("validate"), validate, 0);
 964         WebcitAddUrlHandler(HKEY("display_reg"), _display_reg, 0);
 965         WebcitAddUrlHandler(HKEY("display_changepw"), display_changepw, 0);
 966         WebcitAddUrlHandler(HKEY("changepw"), changepw, 0);
 967         WebcitAddUrlHandler(HKEY("termquit"), do_logout, 0);
 968
 969         RegisterConditional(HKEY("COND:AIDE"), 2, ConditionalAide, CTX_NONE);
 970         RegisterConditional(HKEY("COND:ROOMAIDE"), 2, ConditionalRoomAide, CTX_NONE);
 971         RegisterConditional(HKEY("COND:ACCESS:DELETE"), 2, ConditionalRoomAcessDelete, CTX_NONE);
 972         RegisterConditional(HKEY("COND:LOGGEDIN"), 2, ConditionalIsLoggedIn, CTX_NONE);
 973
 974         return ;
 975 }
 976
 977
 978 void
 979 SessionDestroyModule_AUTH
 980 (wcsession *sess)
 981 {
 982         FreeStrBuf(&sess->wc_username);
 983         FreeStrBuf(&sess->wc_fullname);
 984         FreeStrBuf(&sess->wc_password);
 985         FreeStrBuf(&sess->wc_roomname);
 986         FreeStrBuf(&sess->httpauth_user);
 987         FreeStrBuf(&sess->httpauth_pass);
 988         FreeStrBuf(&sess->cs_inet_email);
 989 }