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         return 0;
  66 }
  67
  68
  69 /*
  70  * Display the login screen
  71  * mesg = the error message if last attempt failed.
  72  */
  73 void display_login(void)
  74 {
  75         begin_burst();
  76         output_headers(1, 0, 0, 0, 1, 0);
  77         do_template("login", NULL);
  78         end_burst();
  79 }
  80
  81
  82
  83
  84 /*
  85  * Display the openid-enabled login screen
  86  * mesg = the error message if last attempt failed.
  87  */
  88 void display_openid_login(char *mesg)
  89 {
  90   begin_burst();
  91   output_headers(1, 0, 0, 0, 1, 0);
  92   do_template("openid_login", NULL);
  93   end_burst();
  94 }
  95
  96
  97 void display_openid_name_request(const StrBuf *claimed_id, const StrBuf *username)
  98 {
  99         StrBuf *Buf = NULL;
 100
 101         output_headers(1, 1, 2, 0, 0, 0);
 102         wprintf("<div id=\"login_screen\">\n");
 103
 104         Buf = NewStrBufPlain(NULL, StrLength(claimed_id));
 105         StrEscAppend(Buf, claimed_id, NULL, 0, 0);
 106         svprintf(HKEY("VERIFIED"), WCS_STRING, _("Your OpenID <tt>%s</tt> was successfully verified."),
 107                  ChrPtr(Buf));
 108         SVPutBuf("CLAIMED_ID", Buf, 0);
 109
 110
 111         if (StrLength(username) > 0) {
 112                         Buf = NewStrBufPlain(NULL, StrLength(username));
 113                         StrEscAppend(Buf, claimed_id, NULL, 0, 0);
 114                         svprintf(HKEY("REASON"), WCS_STRING,
 115                                  _("However, the user name '%s' conflicts with an existing user."),
 116                                  ChrPtr(Buf));
 117                         FreeStrBuf(&Buf);
 118         }
 119         else {
 120                 svput("REASON", WCS_STRING, "");
 121         }
 122
 123         svput("ACTION_REQUESTED", WCS_STRING, _("Please specify the user name you would like to use."));
 124
 125         svput("USERNAME_BOX", WCS_STRING, _("User name:"));
 126         svput("NEWUSER_BUTTON", WCS_STRING, _("New User"));
 127         svput("EXIT_BUTTON", WCS_STRING, _("Exit"));
 128
 129         svprintf(HKEY("BOXTITLE"), WCS_STRING, _("%s - powered by <a href=\"http://www.citadel.org\">Citadel</a>"),
 130                  ChrPtr(WC->serv_info->serv_humannode));
 131
 132         do_template("openid_manual_create", NULL);
 133         wDumpContent(2);
 134 }
 135
 136
 137
 138 /* Initialize the session
 139  *
 140  * This function needs to get called whenever the session changes from
 141  * not-logged-in to logged-in, either by an explicit login by the user or
 142  * by a timed-out session automatically re-establishing with a little help
 143  * from the browser cookie.  Either way, we need to load access controls and
 144  * preferences from the server.
 145  *
 146  * user                 the username
 147  * pass                 his password
 148  * serv_response        The parameters returned from a Citadel USER or NEWU command
 149  */
 150 void become_logged_in(const StrBuf *user, const StrBuf *pass, StrBuf *serv_response)
 151 {
 152         wcsession *WCC = WC;
 153         StrBuf *Buf;
 154         StrBuf *FloorDiv;
 155         StrBuf *Language = NULL;
 156
 157         WCC->logged_in = 1;
 158
 159         if (WCC->wc_fullname == NULL)
 160                 WCC->wc_fullname = NewStrBufPlain(NULL, StrLength(serv_response));
 161         StrBufExtract_token(WCC->wc_fullname, serv_response, 0, '|');
 162         StrBufCutLeft(WCC->wc_fullname, 4 );
 163
 164         if (WCC->wc_username == NULL)
 165                 WCC->wc_username = NewStrBufDup(user);
 166         else {
 167                 FlushStrBuf(WCC->wc_username);
 168                 StrBufAppendBuf(WCC->wc_username, user, 0);
 169         }
 170
 171         if (WCC->wc_password == NULL)
 172                 WCC->wc_password = NewStrBufDup(pass);
 173         else {
 174                 FlushStrBuf(WCC->wc_password);
 175                 StrBufAppendBuf(WCC->wc_password, pass, 0);
 176         }
 177
 178         WCC->axlevel = StrBufExtract_int(serv_response, 1, '|');
 179         if (WCC->axlevel >= 6) { /* TODO: make this a define, else it might trick us later */
 180                 WCC->is_aide = 1;
 181         }
 182
 183         load_preferences();
 184
 185         Buf = NewStrBuf();
 186         serv_puts("CHEK");
 187         StrBuf_ServGetln(Buf);
 188         if (GetServerStatus(Buf, NULL) == 2) {
 189                 const char *pch;
 190
 191                 pch = ChrPtr(Buf) + 4;
 192                 WCC->new_mail  = StrBufExtractNext_long(Buf, &pch, '|');
 193                 WCC->need_regi = StrBufExtractNext_long(Buf, &pch, '|');
 194                 WCC->need_vali = StrBufExtractNext_long(Buf, &pch, '|');
 195                 if (WCC->cs_inet_email == NULL)
 196                         WCC->cs_inet_email  = NewStrBuf();
 197                 StrBufExtract_NextToken(WCC->cs_inet_email, Buf, &pch, '|');
 198         }
 199         if (havebstr("language"))
 200                 set_preference("language", NewStrBufDup(SBSTR("language")), 1);
 201         else {
 202                 get_preference("language", &Language);
 203                 if (Language != NULL) {
 204                         set_selected_language(ChrPtr(Language));
 205                         go_selected_language();         /* set locale */
 206                 }
 207         }
 208         get_preference("floordiv_expanded", &FloorDiv);
 209         WCC->floordiv_expanded = FloorDiv;
 210         FreeStrBuf(&Buf);
 211 }
 212
 213
 214 /*
 215  * Perform authentication using a user name and password
 216  */
 217 void do_login(void)
 218 {
 219         wcsession *WCC = WC;
 220         StrBuf *Buf;
 221
 222         if (havebstr("language")) {
 223                 set_selected_language(bstr("language"));
 224                 go_selected_language();
 225         }
 226
 227         if (havebstr("exit_action")) {
 228                 do_logout();
 229                 return;
 230         }
 231         Buf = NewStrBuf();
 232         if (havebstr("login_action")) {
 233                 serv_printf("USER %s", bstr("name"));
 234                 StrBuf_ServGetln(Buf);
 235                 if (GetServerStatus(Buf, NULL) == 3) {
 236                         serv_printf("PASS %s", bstr("pass"));
 237                         StrBuf_ServGetln(Buf);
 238                         if (GetServerStatus(Buf, NULL) == 2) {
 239                                 become_logged_in(sbstr("name"), sbstr("pass"), Buf);
 240                         } else {
 241                                 snprintf(WCC->ImportantMessage,
 242                                          sizeof (WCC->ImportantMessage),
 243                                          "%s",
 244                                          &(ChrPtr(Buf))[4]);
 245                                 display_login();
 246                                 FreeStrBuf(&Buf);
 247                                 return;
 248                         }
 249                 } else {
 250                         snprintf(WCC->ImportantMessage,
 251                                  sizeof (WCC->ImportantMessage),
 252                                  "%s",
 253                                  &(ChrPtr(Buf))[4]);
 254                         display_login();
 255                         FreeStrBuf(&Buf);
 256                         return;
 257                 }
 258         }
 259         if (havebstr("newuser_action")) {
 260                 if (!havebstr("pass")) {
 261                         snprintf(WCC->ImportantMessage,
 262                                  sizeof (WCC->ImportantMessage),
 263                                  "%s",
 264                                  _("Blank passwords are not allowed."));
 265                         display_login();
 266                         FreeStrBuf(&Buf);
 267                         return;
 268                 }
 269                 serv_printf("NEWU %s", bstr("name"));
 270                 StrBuf_ServGetln(Buf);
 271                 if (GetServerStatus(Buf, NULL) == 2) {
 272                         become_logged_in(sbstr("name"), sbstr("pass"), Buf);
 273                         serv_printf("SETP %s", bstr("pass"));
 274                         StrBuf_ServGetln(Buf); /* Don't care? */
 275                 } else {
 276                         snprintf(WCC->ImportantMessage,
 277                                  sizeof (WCC->ImportantMessage),
 278                                  "%s",
 279                                  &(ChrPtr(Buf))[4]);
 280                         display_login();
 281                         FreeStrBuf(&Buf);
 282                         return;
 283                 }
 284         }
 285         if (WCC->logged_in) {
 286                 if (WCC->need_regi) {
 287                         display_reg(1);
 288                 } else if (WCC->need_vali) {
 289                         validate();
 290                 } else {
 291                         do_welcome();
 292                 }
 293         } else {
 294                 snprintf(WCC->ImportantMessage,
 295                          sizeof (WCC->ImportantMessage),
 296                          "%s",
 297                          _("Your password was not accepted."));
 298                 display_login();
 299         }
 300         FreeStrBuf(&Buf);
 301 }
 302
 303 /*
 304  * Try to create an account manually after an OpenID was verified
 305  */
 306 void openid_manual_create(void)
 307 {
 308         StrBuf *Buf;
 309
 310         if (havebstr("exit_action")) {
 311                 do_logout();
 312                 return;
 313         }
 314
 315         if (havebstr("newuser_action")) {
 316                 Buf = NewStrBuf();
 317                 serv_printf("OIDC %s", bstr("name"));
 318                 StrBuf_ServGetln(Buf);
 319                 if (GetServerStatus(Buf, NULL) == 2) {
 320                         StrBuf *gpass;
 321
 322                         gpass = NewStrBuf();
 323                         serv_puts("SETP GENERATE_RANDOM_PASSWORD");
 324                         StrBuf_ServGetln(gpass);
 325                         StrBufCutLeft(gpass, 4);
 326                         become_logged_in(sbstr("name"), gpass, Buf);
 327                         FreeStrBuf(&gpass);
 328                 }
 329                 FreeStrBuf(&Buf);
 330         }
 331
 332         if (WC->logged_in) {
 333                 if (WC->need_regi) {
 334                         display_reg(1);
 335                 } else if (WC->need_vali) {
 336                         validate();
 337                 } else {
 338                         do_welcome();
 339                 }
 340         } else {
 341                 display_openid_name_request(sbstr("openid_url"), sbstr("name"));
 342         }
 343
 344 }
 345
 346
 347 /*
 348  * Perform authentication using OpenID
 349  * assemble the checkid_setup request and then redirect to the user's identity provider
 350  */
 351 void do_openid_login(void)
 352 {
 353         wcsession *WCC = WC;
 354         char buf[4096];
 355
 356         if (havebstr("language")) {
 357                 set_selected_language(bstr("language"));
 358                 go_selected_language();
 359         }
 360
 361         if (havebstr("exit_action")) {
 362                 do_logout();
 363                 return;
 364         }
 365         if (havebstr("login_action")) {
 366                 snprintf(buf, sizeof buf,
 367                         "OIDS %s|%s://%s/finalize_openid_login|%s://%s",
 368                         bstr("openid_url"),
 369                          (is_https ? "https" : "http"), ChrPtr(WCC->Hdr->http_host),
 370                          (is_https ? "https" : "http"), ChrPtr(WCC->Hdr->http_host)
 371                 );
 372
 373                 serv_puts(buf);
 374                 serv_getln(buf, sizeof buf);
 375                 if (buf[0] == '2') {
 376                         lprintf(CTDL_DEBUG, "OpenID server contacted; redirecting to %s\n", &buf[4]);
 377                         http_redirect(&buf[4]);
 378                         return;
 379                 }
 380                 else {
 381                         display_openid_login(&buf[4]);
 382                         return;
 383                 }
 384         }
 385
 386         /* If we get to this point then something failed. */
 387         display_openid_login(_("Your password was not accepted."));
 388 }
 389
 390 /*
 391  * Complete the authentication using OpenID
 392  * This function handles the positive or negative assertion from the user's Identity Provider
 393  */
 394 void finalize_openid_login(void)
 395 {
 396         StrBuf *Buf;
 397         wcsession *WCC = WC;
 398         int already_logged_in = (WCC->logged_in) ;
 399         int linecount = 0;
 400         StrBuf *result = NULL;
 401         StrBuf *username = NULL;
 402         StrBuf *password = NULL;
 403         StrBuf *logged_in_response = NULL;
 404         StrBuf *claimed_id = NULL;
 405
 406         if (havebstr("openid.mode")) {
 407                 if (!strcasecmp(bstr("openid.mode"), "id_res")) {
 408                         Buf = NewStrBuf();
 409                         serv_puts("OIDF");
 410                         StrBuf_ServGetln(Buf);
 411                         if (GetServerStatus(Buf, NULL) == 8) {
 412                                 urlcontent *u;
 413                                 void *U;
 414                                 long HKLen;
 415                                 const char *HKey;
 416                                 HashPos *Cursor;
 417
 418                                 Cursor = GetNewHashPos (WCC->Hdr->urlstrings, 0);
 419                                 while (GetNextHashPos(WCC->Hdr->urlstrings, Cursor, &HKLen, &HKey, &U)) {
 420                                         u = (urlcontent*) U;
 421                                         if (!strncasecmp(u->url_key, "openid.", 7)) {
 422                                                 serv_printf("%s|%s", &u->url_key[7], ChrPtr(u->url_data));
 423                                         }
 424                                 }
 425
 426                                 serv_puts("000");
 427
 428                                 linecount = 0;
 429                                 while (StrBuf_ServGetln(Buf), strcmp(ChrPtr(Buf), "000"))
 430                                 {
 431                                         if (linecount == 0) result = NewStrBufDup(Buf);
 432                                         if (!strcasecmp(ChrPtr(result), "authenticate")) {
 433                                                 if (linecount == 1) {
 434                                                         username = NewStrBufDup(Buf);
 435                                                 }
 436                                                 else if (linecount == 2) {
 437                                                         password = NewStrBufDup(Buf);
 438                                                 }
 439                                                 else if (linecount == 3) {
 440                                                         logged_in_response = NewStrBufDup(Buf);
 441                                                 }
 442                                         }
 443                                         else if (!strcasecmp(ChrPtr(result), "verify_only")) {
 444                                                 if (linecount == 1) {
 445                                                         claimed_id = NewStrBufDup(Buf);
 446                                                 }
 447                                                 if (linecount == 2) {
 448                                                         username = NewStrBufDup(Buf);
 449                                                 }
 450                                         }
 451                                         ++linecount;
 452                                 }
 453                         }
 454                         FreeStrBuf(&Buf);
 455                 }
 456         }
 457
 458         /* If we were already logged in, this was an attempt to associate an OpenID account */
 459         if (already_logged_in) {
 460                 display_openids();
 461                 FreeStrBuf(&result);
 462                 FreeStrBuf(&username);
 463                 FreeStrBuf(&password);
 464                 FreeStrBuf(&claimed_id);
 465                 FreeStrBuf(&logged_in_response);
 466                 return;
 467         }
 468
 469         /* If this operation logged us in, either by connecting with an existing account or by
 470          * auto-creating one using Simple Registration Extension, we're already on our way.
 471          */
 472         if (!strcasecmp(ChrPtr(result), "authenticate")) {
 473                 become_logged_in(username, password, logged_in_response);
 474         }
 475
 476         /* The specified OpenID was verified but the desired user name was either not specified via SRI
 477          * or conflicts with an existing user.  Either way the user will need to specify a new name.
 478          */
 479
 480         else if (!strcasecmp(ChrPtr(result), "verify_only")) {
 481                 display_openid_name_request(claimed_id, username);
 482         }
 483
 484         /* Did we manage to log in?  If so, continue with the normal flow... */
 485         if (WC->logged_in) {
 486                 if (WC->need_regi) {
 487                         display_reg(1);
 488                 } else {
 489                         do_welcome();
 490                 }
 491         } else {
 492                 display_openid_login(_("Your password was not accepted."));
 493         }
 494
 495         FreeStrBuf(&result);
 496         FreeStrBuf(&username);
 497         FreeStrBuf(&password);
 498         FreeStrBuf(&claimed_id);
 499         FreeStrBuf(&logged_in_response);
 500 }
 501
 502
 503 /*
 504  * Display a welcome screen to the user.
 505  *
 506  * If this is the first time login, and the web based setup is enabled,
 507  * lead the user through the setup routines
 508  */
 509 void do_welcome(void)
 510 {
 511         StrBuf *Buf;
 512 #ifdef XXX_NOT_FINISHED_YET_XXX
 513         FILE *fp;
 514         int i;
 515
 516         /**
 517          * See if we have to run the first-time setup wizard
 518          */
 519         if (WC->is_aide) {
 520                 if (!setup_wizard) {
 521                         int len;
 522                         sprintf(wizard_filename, "setupwiz.%s.%s",
 523                                 ctdlhost, ctdlport);
 524                         len = strlen(wizard_filename);
 525                         for (i=0; i<len; ++i) {
 526                                 if (    (wizard_filename[i]==' ')
 527                                         || (wizard_filename[i] == '/')
 528                                 ) {
 529                                         wizard_filename[i] = '_';
 530                                 }
 531                         }
 532
 533                         fp = fopen(wizard_filename, "r");
 534                         if (fp != NULL) {
 535                                 fgets(buf, sizeof buf, fp);
 536                                 buf[strlen(buf)-1] = 0;
 537                                 fclose(fp);
 538                                 if (atoi(buf) == serv_info.serv_rev_level) {
 539                                         setup_wizard = 1; /**< already run */
 540                                 }
 541                         }
 542                 }
 543
 544                 if (!setup_wizard) {
 545                         http_redirect("setup_wizard");
 546                 }
 547         }
 548 #endif
 549
 550         /*
 551          * Go to the user's preferred start page
 552          */
 553         if (!get_preference("startpage", &Buf)) {
 554                 Buf = NewStrBuf ();
 555                 StrBufPrintf(Buf, "dotskip&room=_BASEROOM_");
 556                 set_preference("startpage", Buf, 1);
 557         }
 558         if (ChrPtr(Buf)[0] == '/') {
 559                 StrBufCutLeft(Buf, 1);
 560         }
 561         if (StrLength(Buf) == 0)
 562                 StrBufAppendBufPlain(Buf, "dotgoto?room=_BASEROOM_", -1, 0);
 563         http_redirect(ChrPtr(Buf));
 564 }
 565
 566
 567 /*
 568  * Disconnect from the Citadel server, and end this WebCit session
 569  */
 570 void end_webcit_session(void) {
 571
 572         serv_puts("QUIT");
 573         WC->killthis = 1;
 574         /* close() of citadel socket will be done by do_housekeeping() */
 575 }
 576
 577 /*
 578  * execute the logout
 579  */
 580 void do_logout(void)
 581 {
 582         wcsession *WCC = WC;
 583         char buf[SIZ];
 584
 585         FlushStrBuf(WCC->wc_username);
 586         FlushStrBuf(WCC->wc_password);
 587         FlushStrBuf(WCC->wc_roomname);
 588         FlushStrBuf(WCC->wc_fullname);
 589
 590         /* FIXME: this is to suppress the iconbar displaying, because we aren't
 591            actually logged out yet */
 592         WCC->logged_in = 0;
 593
 594         /** Calling output_headers() this way causes the cookies to be un-set */
 595         output_headers(1, 1, 0, 1, 0, 0);
 596
 597         wprintf("<div id=\"logout_screen\">");
 598         wprintf("<div class=\"box\">");
 599         wprintf("<div class=\"boxlabel\">");
 600         wprintf(_("Log off"));
 601         wprintf("</div><div class=\"boxcontent\">");
 602         serv_puts("MESG goodbye");
 603         serv_getln(buf, sizeof buf);
 604
 605         if (WCC->serv_sock >= 0) {
 606                 if (buf[0] == '1') {
 607                         fmout("CENTER");
 608                 } else {
 609                         wprintf("Goodbye\n");
 610                 }
 611         }
 612         else {
 613                 wprintf(_("This program was unable to connect or stay "
 614                         "connected to the Citadel server.  Please report "
 615                         "this problem to your system administrator.")
 616                 );
 617                 wprintf("<a href=\"http://www.citadel.org/doku.php/"
 618                         "faq:mastering_your_os:net#netstat\">%s</a>",
 619                         _("Read More..."));
 620         }
 621
 622         wprintf("<hr /><div class=\"buttons\"> "
 623                 "<span class=\"button_link\"><a href=\".\">");
 624         wprintf(_("Log in again"));
 625         wprintf("</a></span>");
 626
 627         /* The "close window" link is commented out because some browsers don't
 628          * allow it to work.
 629          *
 630         wprintf("&nbsp;&nbsp;&nbsp;<span class=\"button_link\">"
 631                 "<a href=\"javascript:window.close();\">");
 632         wprintf(_("Close window"));
 633         wprintf("</a></span>");
 634          */
 635
 636         wprintf("</div></div></div></div>\n");
 637         wDumpContent(2);
 638         end_webcit_session();
 639 }
 640
 641
 642 /*
 643  * validate new users
 644  */
 645 void validate(void)
 646 {
 647         char cmd[SIZ];
 648         char user[SIZ];
 649         char buf[SIZ];
 650         int a;
 651
 652         output_headers(1, 1, 2, 0, 0, 0);
 653         wprintf("<div id=\"banner\">\n");
 654         wprintf("<h1>");
 655         wprintf(_("Validate new users"));
 656         wprintf("</h1>");
 657         wprintf("</div>\n");
 658
 659         wprintf("<div id=\"content\" class=\"service\">\n");
 660
 661         /* If the user just submitted a validation, process it... */
 662         safestrncpy(buf, bstr("user"), sizeof buf);
 663         if (!IsEmptyStr(buf)) {
 664                 if (havebstr("axlevel")) {
 665                         serv_printf("VALI %s|%s", buf, bstr("axlevel"));
 666                         serv_getln(buf, sizeof buf);
 667                         if (buf[0] != '2') {
 668                                 wprintf("<b>%s</b><br>\n", &buf[4]);
 669                         }
 670                 }
 671         }
 672
 673         /* Now see if any more users require validation. */
 674         serv_puts("GNUR");
 675         serv_getln(buf, sizeof buf);
 676         if (buf[0] == '2') {
 677                 wprintf("<b>");
 678                 wprintf(_("No users require validation at this time."));
 679                 wprintf("</b><br>\n");
 680                 wDumpContent(1);
 681                 return;
 682         }
 683         if (buf[0] != '3') {
 684                 wprintf("<b>%s</b><br>\n", &buf[4]);
 685                 wDumpContent(1);
 686                 return;
 687         }
 688
 689         wprintf("<div class=\"fix_scrollbar_bug\">"
 690                 "<table class=\"auth_validate\"><tr><td>\n");
 691         wprintf("<div id=\"validate\">");
 692
 693         safestrncpy(user, &buf[4], sizeof user);
 694         serv_printf("GREG %s", user);
 695         serv_getln(cmd, sizeof cmd);
 696         if (cmd[0] == '1') {
 697                 a = 0;
 698                 do {
 699                         serv_getln(buf, sizeof buf);
 700                         ++a;
 701                         if (a == 1)
 702                                 wprintf("#%s<br><H1>%s</H1>",
 703                                         buf, &cmd[4]);
 704                         if (a == 2) {
 705                                 char *pch;
 706                                 int haveChar = 0;
 707                                 int haveNum = 0;
 708                                 int haveOther = 0;
 709                                 int count = 0;
 710                                 pch = buf;
 711                                 while (!IsEmptyStr(pch))
 712                                 {
 713                                         if (isdigit(*pch))
 714                                                 haveNum = 1;
 715                                         else if (isalpha(*pch))
 716                                                 haveChar = 1;
 717                                         else
 718                                                 haveOther = 1;
 719                                         pch ++;
 720                                 }
 721                                 count = pch - buf;
 722                                 if (count > 7)
 723                                         count = 0;
 724                                 switch (count){
 725                                 case 0:
 726                                         pch = _("very weak");
 727                                         break;
 728                                 case 1:
 729                                         pch = _("weak");
 730                                         break;
 731                                 case 2:
 732                                         pch = _("ok");
 733                                         break;
 734                                 case 3:
 735                                 default:
 736                                         pch = _("strong");
 737                                 }
 738
 739                                 wprintf("PW: %s<br>\n", pch);
 740                         }
 741                         if (a == 3)
 742                                 wprintf("%s<br>\n", buf);
 743                         if (a == 4)
 744                                 wprintf("%s<br>\n", buf);
 745                         if (a == 5)
 746                                 wprintf("%s, ", buf);
 747                         if (a == 6)
 748                                 wprintf("%s ", buf);
 749                         if (a == 7)
 750                                 wprintf("%s<br>\n", buf);
 751                         if (a == 8)
 752                                 wprintf("%s<br>\n", buf);
 753                         if (a == 9)
 754                                 wprintf(_("Current access level: %d (%s)\n"),
 755                                         atoi(buf), axdefs[atoi(buf)]);
 756                 } while (strcmp(buf, "000"));
 757         } else {
 758                 wprintf("<H1>%s</H1>%s<br />\n", user, &cmd[4]);
 759         }
 760
 761         wprintf("<hr />");
 762         wprintf(_("Select access level for this user:"));
 763         wprintf("<br />\n");
 764         for (a = 0; a <= 6; ++a) {
 765                 wprintf("<a href=\"validate?nonce=%d?user=", WC->nonce);
 766                 urlescputs(user);
 767                 wprintf("&axlevel=%d\">%s</A>&nbsp;&nbsp;&nbsp;\n",
 768                         a, axdefs[a]);
 769         }
 770         wprintf("<br />\n");
 771
 772         wprintf("</div>\n");
 773         wprintf("</td></tr></table></div>\n");
 774         wDumpContent(1);
 775 }
 776
 777
 778
 779 /*
 780  * Display form for registration.
 781  *
 782  * (Set during_login to 1 if this registration is being performed during
 783  * new user login and will require chaining to the proper screen.)
 784  */
 785 void display_reg(int during_login)
 786 {
 787         StrBuf *Buf;
 788         message_summary *VCMsg;
 789         wc_mime_attachment *VCAtt;
 790         long vcard_msgnum;
 791
 792         Buf = NewStrBuf();
 793         if (goto_config_room(Buf) != 0) {
 794                 if (during_login) do_welcome();
 795                 else display_main_menu();
 796                 FreeStrBuf(&Buf);
 797                 return;
 798         }
 799
 800         FreeStrBuf(&Buf);
 801         vcard_msgnum = locate_user_vcard_in_this_room(&VCMsg, &VCAtt);
 802         if (vcard_msgnum < 0L) {
 803                 if (during_login) do_welcome();
 804                 else display_main_menu();
 805                 return;
 806         }
 807
 808         if (during_login) {
 809                 do_edit_vcard(vcard_msgnum, "1", VCMsg, VCAtt, "do_welcome", USERCONFIGROOM);
 810         }
 811         else {
 812                 do_edit_vcard(vcard_msgnum, "1", VCMsg, VCAtt, "display_main_menu", USERCONFIGROOM);
 813         }
 814
 815 }
 816
 817
 818
 819
 820 /*
 821  * display form for changing your password
 822  */
 823 void display_changepw(void)
 824 {
 825         WCTemplputParams SubTP;
 826         char buf[SIZ];
 827         StrBuf *Buf;
 828         output_headers(1, 1, 1, 0, 0, 0);
 829
 830         Buf = NewStrBufPlain(_("Change your password"), -1);
 831         memset(&SubTP, 0, sizeof(WCTemplputParams));
 832         SubTP.Filter.ContextType = CTX_STRBUF;
 833         SubTP.Context = Buf;
 834         DoTemplate(HKEY("beginbox"), NULL, &SubTP);
 835
 836         FreeStrBuf(&Buf);
 837
 838         if (!IsEmptyStr(WC->ImportantMessage)) {
 839                 wprintf("<span class=\"errormsg\">"
 840                         "%s</span><br />\n", WC->ImportantMessage);
 841                 safestrncpy(WC->ImportantMessage, "", sizeof WC->ImportantMessage);
 842         }
 843
 844         serv_puts("MESG changepw");
 845         serv_getln(buf, sizeof buf);
 846         if (buf[0] == '1') {
 847                 fmout("CENTER");
 848         }
 849
 850         wprintf("<form name=\"changepwform\" action=\"changepw\" method=\"post\">\n");
 851         wprintf("<input type=\"hidden\" name=\"nonce\" value=\"%d\">\n", WC->nonce);
 852         wprintf("<table class=\"altern\" ");
 853         wprintf("<tr class=\"even\"><td>");
 854         wprintf(_("Enter new password:"));
 855         wprintf("</td><td>");
 856         wprintf("<input type=\"password\" name=\"newpass1\" value=\"\" maxlength=\"20\"></td></tr>\n");
 857         wprintf("<tr class=\"odd\"><td>");
 858         wprintf(_("Enter it again to confirm:"));
 859         wprintf("</td><td>");
 860         wprintf("<input type=\"password\" name=\"newpass2\" value=\"\" maxlength=\"20\"></td></tr>\n");
 861         wprintf("</table>\n");
 862
 863         wprintf("<div class=\"buttons\">\n");
 864         wprintf("<input type=\"submit\" name=\"change_action\" value=\"%s\">", _("Change password"));
 865         wprintf("&nbsp;");
 866         wprintf("<input type=\"submit\" name=\"cancel_action\" value=\"%s\">\n", _("Cancel"));
 867         wprintf("</div>\n");
 868         wprintf("</form>\n");
 869
 870         do_template("endbox", NULL);
 871         wDumpContent(1);
 872 }
 873
 874 /*
 875  * change password
 876  * if passwords match, propagate it to citserver.
 877  */
 878 void changepw(void)
 879 {
 880         char buf[SIZ];
 881         char newpass1[32], newpass2[32];
 882
 883         if (!havebstr("change_action")) {
 884                 safestrncpy(WC->ImportantMessage,
 885                         _("Cancelled.  Password was not changed."),
 886                         sizeof WC->ImportantMessage);
 887                 display_main_menu();
 888                 return;
 889         }
 890
 891         safestrncpy(newpass1, bstr("newpass1"), sizeof newpass1);
 892         safestrncpy(newpass2, bstr("newpass2"), sizeof newpass2);
 893
 894         if (strcasecmp(newpass1, newpass2)) {
 895                 safestrncpy(WC->ImportantMessage,
 896                         _("They don't match.  Password was not changed."),
 897                         sizeof WC->ImportantMessage);
 898                 display_changepw();
 899                 return;
 900         }
 901
 902         if (IsEmptyStr(newpass1)) {
 903                 safestrncpy(WC->ImportantMessage,
 904                         _("Blank passwords are not allowed."),
 905                         sizeof WC->ImportantMessage);
 906                 display_changepw();
 907                 return;
 908         }
 909
 910         serv_printf("SETP %s", newpass1);
 911         serv_getln(buf, sizeof buf);
 912         sprintf(WC->ImportantMessage, "%s", &buf[4]);
 913         if (buf[0] == '2') {
 914                 if (WC->wc_password == NULL)
 915                         WC->wc_password = NewStrBufPlain(buf, -1);
 916                 else {
 917                         FlushStrBuf(WC->wc_password);
 918                         StrBufAppendBufPlain(WC->wc_password,  buf, -1, 0);
 919                 }
 920                 display_main_menu();
 921         }
 922         else {
 923                 display_changepw();
 924         }
 925 }
 926
 927 int ConditionalAide(StrBuf *Target, WCTemplputParams *TP)
 928 {
 929         return (WC->is_aide == 0);
 930 }
 931
 932 int ConditionalRoomAide(StrBuf *Target, WCTemplputParams *TP)
 933 {
 934         return (WC->is_room_aide == 0);
 935 }
 936
 937 int ConditionalIsLoggedIn(StrBuf *Target, WCTemplputParams *TP) {
 938   return (WC->logged_in == 0);
 939 }
 940 int ConditionalRoomAcessDelete(StrBuf *Target, WCTemplputParams *TP)
 941 {
 942         wcsession *WCC = WC;
 943         return ( (WCC->is_room_aide) || (WCC->is_mailbox) || (WCC->room_flags2 & QR2_COLLABDEL) );
 944 }
 945
 946
 947
 948 void _display_openid_login(void) {display_openid_login(NULL);}
 949 void _display_reg(void) {display_reg(0);}
 950
 951 void Header_HandleAuth(StrBuf *Line, ParsedHttpHdrs *hdr)
 952 {
 953         const char *Pos = NULL;
 954         if (strncasecmp(ChrPtr(Line), "Basic", 5) == 0) {
 955                 StrBufCutLeft(Line, 6);
 956                 StrBufDecodeBase64(Line);
 957                 StrBufExtract_NextToken(hdr->c_username, Line, &Pos, ':');
 958                 StrBufExtract_NextToken(hdr->c_password, Line, &Pos, ':');
 959                 hdr->got_auth = AUTH_BASIC;
 960         }
 961         else
 962                 lprintf(1, "Authentication scheme not supported! [%s]\n", ChrPtr(Line));
 963 }
 964
 965 void Header_HandleCookie(StrBuf *Line, ParsedHttpHdrs *hdr)
 966 {
 967         hdr->RawCookie = Line;
 968         if (hdr->DontNeedAuth)
 969                 return;
 970 /*
 971         safestrncpy(c_httpauth_string, "", sizeof c_httpauth_string);
 972         c_httpauth_user = NewStrBufPlain(HKEY(DEFAULT_HTTPAUTH_USER));
 973         c_httpauth_pass = NewStrBufPlain(HKEY(DEFAULT_HTTPAUTH_PASS));
 974 */
 975         cookie_to_stuff(Line, &hdr->desired_session,
 976                         hdr->c_username,
 977                         hdr->c_password,
 978                         hdr->c_roomname);
 979         hdr->got_auth = AUTH_COOKIE;
 980 }
 981
 982
 983
 984 void
 985 InitModule_AUTH
 986 (void)
 987 {
 988         RegisterHeaderHandler(HKEY("COOKIE"), Header_HandleCookie);
 989         RegisterHeaderHandler(HKEY("AUTHORIZATION"), Header_HandleAuth);
 990
 991         WebcitAddUrlHandler(HKEY(""), do_welcome, ANONYMOUS|COOKIEUNNEEDED); /* no url pattern at all? Show login. */
 992         WebcitAddUrlHandler(HKEY("do_welcome"), do_welcome, ANONYMOUS|COOKIEUNNEEDED);
 993         WebcitAddUrlHandler(HKEY("login"), do_login, ANONYMOUS|COOKIEUNNEEDED);
 994         WebcitAddUrlHandler(HKEY("display_openid_login"), _display_openid_login, ANONYMOUS);
 995         WebcitAddUrlHandler(HKEY("openid_login"), do_openid_login, ANONYMOUS);
 996         WebcitAddUrlHandler(HKEY("finalize_openid_login"), finalize_openid_login, ANONYMOUS);
 997         WebcitAddUrlHandler(HKEY("openid_manual_create"), openid_manual_create, ANONYMOUS);
 998         WebcitAddUrlHandler(HKEY("do_logout"), do_logout, ANONYMOUS|COOKIEUNNEEDED|FORCE_SESSIONCLOSE);
 999         WebcitAddUrlHandler(HKEY("validate"), validate, 0);
1000         WebcitAddUrlHandler(HKEY("display_reg"), _display_reg, 0);
1001         WebcitAddUrlHandler(HKEY("display_changepw"), display_changepw, 0);
1002         WebcitAddUrlHandler(HKEY("changepw"), changepw, 0);
1003         WebcitAddUrlHandler(HKEY("termquit"), do_logout, 0);
1004
1005         RegisterConditional(HKEY("COND:AIDE"), 2, ConditionalAide, CTX_NONE);
1006         RegisterConditional(HKEY("COND:ROOMAIDE"), 2, ConditionalRoomAide, CTX_NONE);
1007         RegisterConditional(HKEY("COND:ACCESS:DELETE"), 2, ConditionalRoomAcessDelete, CTX_NONE);
1008         RegisterConditional(HKEY("COND:LOGGEDIN"), 2, ConditionalIsLoggedIn, CTX_NONE);
1009
1010         return ;
1011 }
1012
1013
1014 void
1015 SessionDestroyModule_AUTH
1016 (wcsession *sess)
1017 {
1018         FreeStrBuf(&sess->wc_username);
1019         FreeStrBuf(&sess->wc_fullname);
1020         FreeStrBuf(&sess->wc_password);
1021         FreeStrBuf(&sess->wc_roomname);
1022         FreeStrBuf(&sess->httpauth_user);
1023         FreeStrBuf(&sess->httpauth_pass);
1024         FreeStrBuf(&sess->cs_inet_email);
1025 }