webcit/auth.c

   1 /*
   2  * $Id$
   3  *
   4  * Handles authentication of users to a Citadel server.
   5  *
   6  */
   7
   8 #include "webcit.h"
   9
  10 char *axdefs[7];
  11
  12 void initialize_axdefs(void) {
  13         axdefs[0] = _("Deleted");
  14         axdefs[1] = _("New User");
  15         axdefs[2] = _("Problem User");
  16         axdefs[3] = _("Local User");
  17         axdefs[4] = _("Network User");
  18         axdefs[5] = _("Preferred User");
  19         axdefs[6] = _("Aide");
  20 }
  21
  22
  23 /*
  24  * Offer available languages in the login box
  25  */
  26 void offer_languages(void) {
  27
  28 #ifdef ENABLE_NLS
  29
  30 wprintf("FIXME");
  31
  32 #else /* ENABLE_NLS */
  33
  34 wprintf("US English");
  35
  36 #endif /* ENABLE_NLS */
  37
  38 }
  39
  40
  41 /*
  42  * Display the login screen
  43  */
  44 void display_login(char *mesg)
  45 {
  46         char buf[SIZ];
  47
  48         output_headers(1, 1, 2, 0, 0, 0);
  49         wprintf("<div style=\"position:absolute; top:20px; left:20px; right:20px\">\n");
  50
  51         if (mesg != NULL) if (strlen(mesg) > 0) {
  52                 stresc(buf, mesg, 0, 0);
  53                 svprintf("mesg", WCS_STRING, "%s", buf);
  54         }
  55
  56         svprintf("LOGIN_INSTRUCTIONS", WCS_STRING,
  57                 _("<ul>"
  58                 "<li><b>If you already have an account on %s</b>, "
  59                 "enter your user name and password and click &quot;Login.&quot; "
  60                 "<li><b>If you are a new user</b>, enter the name and password "
  61                 "you wish to use, "
  62                 "and click &quot;New User.&quot; "
  63                 "<li>Please log off properly when finished. "
  64                 "<li>You must use a browser that supports <i>frames</i> and "
  65                 "<i>cookies</i>. "
  66                 "<li>Also keep in mind that if your browser is "
  67                 "configured to block pop-up windows, you will not be able "
  68                 "to receive any instant messages.<br />"
  69                 "</ul>"),
  70                 serv_info.serv_humannode
  71         );
  72
  73         svprintf("USERNAME_BOX", WCS_STRING, "%s", _("User name:"));
  74         svprintf("PASSWORD_BOX", WCS_STRING, "%s", _("Password:"));
  75         svprintf("LANGUAGE_BOX", WCS_STRING, "%s", _("Language:"));
  76         svprintf("LOGIN_BUTTON", WCS_STRING, "%s", _("Login"));
  77         svprintf("NEWUSER_BUTTON", WCS_STRING, "%s", _("New User"));
  78         svprintf("EXIT_BUTTON", WCS_STRING, "%s", _("Exit"));
  79         svprintf("hello", WCS_SERVCMD, "MESG hello");
  80         svprintf("BOXTITLE", WCS_STRING, _("%s - powered by Citadel"),
  81                 serv_info.serv_humannode);
  82         svcallback("DO_LANGUAGE_BOX", offer_languages);
  83
  84         do_template("login");
  85
  86         wDumpContent(2);
  87 }
  88
  89
  90
  91
  92 /*
  93  * This function needs to get called whenever the session changes from
  94  * not-logged-in to logged-in, either by an explicit login by the user or
  95  * by a timed-out session automatically re-establishing with a little help
  96  * from the browser cookie.  Either way, we need to load access controls and
  97  * preferences from the server.
  98  */
  99 void become_logged_in(char *user, char *pass, char *serv_response)
 100 {
 101         char buf[SIZ];
 102
 103         WC->logged_in = 1;
 104         extract_token(WC->wc_username, &serv_response[4], 0, '|', sizeof WC->wc_username);
 105         safestrncpy(WC->wc_password, pass, sizeof WC->wc_password);
 106         WC->axlevel = extract_int(&serv_response[4], 1);
 107         if (WC->axlevel >= 6) {
 108                 WC->is_aide = 1;
 109         }
 110
 111         load_preferences();
 112
 113         serv_puts("CHEK");
 114         serv_getln(buf, sizeof buf);
 115         if (buf[0] == '2') {
 116                 WC->new_mail = extract_int(&buf[4], 0);
 117                 WC->need_regi = extract_int(&buf[4], 1);
 118                 WC->need_vali = extract_int(&buf[4], 2);
 119                 extract_token(WC->cs_inet_email, &buf[4], 3, '|', sizeof WC->cs_inet_email);
 120         }
 121
 122         get_preference("current_iconbar", buf, sizeof buf);
 123         WC->current_iconbar = atoi(buf);
 124
 125         get_preference("floordiv_expanded", WC->floordiv_expanded, sizeof WC->floordiv_expanded);
 126 }
 127
 128
 129 void do_login(void)
 130 {
 131         char buf[SIZ];
 132
 133         if (strlen(bstr("exit_action")) > 0) {
 134                 do_logout();
 135                 return;
 136         }
 137         if (strlen(bstr("login_action")) > 0) {
 138                 serv_printf("USER %s", bstr("name"));
 139                 serv_getln(buf, sizeof buf);
 140                 if (buf[0] == '3') {
 141                         serv_printf("PASS %s", bstr("pass"));
 142                         serv_getln(buf, sizeof buf);
 143                         if (buf[0] == '2') {
 144                                 become_logged_in(bstr("name"),
 145                                                  bstr("pass"), buf);
 146                         } else {
 147                                 display_login(&buf[4]);
 148                                 return;
 149                         }
 150                 } else {
 151                         display_login(&buf[4]);
 152                         return;
 153                 }
 154         }
 155         if (strlen(bstr("newuser_action")) > 0) {
 156                 if (strlen(bstr("pass")) == 0) {
 157                         display_login(_("Blank passwords are not allowed."));
 158                         return;
 159                 }
 160                 serv_printf("NEWU %s", bstr("name"));
 161                 serv_getln(buf, sizeof buf);
 162                 if (buf[0] == '2') {
 163                         become_logged_in(bstr("name"), bstr("pass"), buf);
 164                         serv_printf("SETP %s", bstr("pass"));
 165                         serv_getln(buf, sizeof buf);
 166                 } else {
 167                         display_login(&buf[4]);
 168                         return;
 169                 }
 170         }
 171         if (WC->logged_in) {
 172                 if (WC->need_regi) {
 173                         display_reg(1);
 174                 } else {
 175                         do_welcome();
 176                 }
 177         } else {
 178                 display_login(_("Your password was not accepted."));
 179         }
 180
 181 }
 182
 183 void do_welcome(void)
 184 {
 185         char buf[SIZ];
 186 #ifdef XXX_NOT_FINISHED_YET_XXX
 187         FILE *fp;
 188         int i;
 189
 190         /*
 191          * See if we have to run the first-time setup wizard
 192          */
 193         if (WC->is_aide) {
 194                 if (!setup_wizard) {
 195                         sprintf(wizard_filename, "setupwiz.%s.%s",
 196                                 ctdlhost, ctdlport);
 197                         for (i=0; i<strlen(wizard_filename); ++i) {
 198                                 if (    (wizard_filename[i]==' ')
 199                                         || (wizard_filename[i] == '/')
 200                                 ) {
 201                                         wizard_filename[i] = '_';
 202                                 }
 203                         }
 204
 205                         fp = fopen(wizard_filename, "r");
 206                         if (fp != NULL) {
 207                                 fgets(buf, sizeof buf, fp);
 208                                 buf[strlen(buf)-1] = 0;
 209                                 fclose(fp);
 210                                 if (atoi(buf) == serv_info.serv_rev_level) {
 211                                         setup_wizard = 1; /* already run */
 212                                 }
 213                         }
 214                 }
 215
 216                 if (!setup_wizard) {
 217                         http_redirect("setup_wizard");
 218                 }
 219         }
 220 #endif
 221
 222         /*
 223          * Go to the user's preferred start page
 224          */
 225         get_preference("startpage", buf, sizeof buf);
 226         if (strlen(buf)==0) {
 227                 safestrncpy(buf, "dotskip&room=_BASEROOM_", sizeof buf);
 228                 set_preference("startpage", buf, 1);
 229         }
 230         if (buf[0] == '/') {
 231                 strcpy(buf, &buf[1]);
 232         }
 233         http_redirect(buf);
 234 }
 235
 236
 237 /*
 238  * Disconnect from the Citadel server, and end this WebCit session
 239  */
 240 void end_webcit_session(void) {
 241         char buf[256];
 242
 243         if (WC->logged_in) {
 244                 sprintf(buf, "%d", WC->current_iconbar);
 245                 set_preference("current_iconbar", buf, 0);
 246                 set_preference("floordiv_expanded", WC->floordiv_expanded, 1);
 247         }
 248
 249         serv_puts("QUIT");
 250         WC->killthis = 1;
 251         /* close() of citadel socket will be done by do_housekeeping() */
 252 }
 253
 254
 255 void do_logout(void)
 256 {
 257         char buf[SIZ];
 258
 259         safestrncpy(WC->wc_username, "", sizeof WC->wc_username);
 260         safestrncpy(WC->wc_password, "", sizeof WC->wc_password);
 261         safestrncpy(WC->wc_roomname, "", sizeof WC->wc_roomname);
 262
 263         /* Calling output_headers() this way causes the cookies to be un-set */
 264         output_headers(1, 1, 0, 1, 0, 0);
 265
 266         wprintf("<center>");
 267         serv_puts("MESG goodbye");
 268         serv_getln(buf, sizeof buf);
 269
 270         if (WC->serv_sock >= 0) {
 271                 if (buf[0] == '1') {
 272                         fmout("CENTER");
 273                 } else {
 274                         wprintf("Goodbye\n");
 275                 }
 276         }
 277         else {
 278                 wprintf(_("This program was unable to connect or stay "
 279                         "connected to the Citadel server.  Please report "
 280                         "this problem to your system administrator.")
 281                 );
 282         }
 283
 284         wprintf("<hr /><a href=\".\">Log in again</A>&nbsp;&nbsp;&nbsp;"
 285                 "<a href=\"javascript:window.close();\">");
 286         wprintf(_("Close window"));
 287         wprintf("</a></center>\n");
 288         wDumpContent(2);
 289         end_webcit_session();
 290 }
 291
 292
 293 /*
 294  * validate new users
 295  */
 296 void validate(void)
 297 {
 298         char cmd[SIZ];
 299         char user[SIZ];
 300         char buf[SIZ];
 301         int a;
 302
 303         output_headers(1, 1, 2, 0, 0, 0);
 304         wprintf("<div id=\"banner\">\n"
 305                 "<TABLE WIDTH=100%% BORDER=0 BGCOLOR=\"#444455\"><TR><TD>"
 306                 "<SPAN CLASS=\"titlebar\">");
 307         wprintf(_("Validate new users"));
 308         wprintf("</SPAN></TD></TR></TABLE>\n</div>\n<div id=\"content\">\n");
 309
 310         safestrncpy(buf, bstr("user"), sizeof buf);
 311         if (strlen(buf) > 0)
 312                 if (strlen(bstr("axlevel")) > 0) {
 313                         serv_printf("VALI %s|%s", buf, bstr("axlevel"));
 314                         serv_getln(buf, sizeof buf);
 315                         if (buf[0] != '2') {
 316                                 wprintf("<b>%s</b><br />\n", &buf[4]);
 317                         }
 318                 }
 319         serv_puts("GNUR");
 320         serv_getln(buf, sizeof buf);
 321
 322         if (buf[0] != '3') {
 323                 wprintf("<b>%s</b><br />\n", &buf[4]);
 324                 wDumpContent(1);
 325                 return;
 326         }
 327
 328         wprintf("<div id=\"fix_scrollbar_bug\">"
 329                 "<table border=0 width=100%% bgcolor=\"#ffffff\"><tr><td>\n");
 330         wprintf("<center>");
 331
 332         safestrncpy(user, &buf[4], sizeof user);
 333         serv_printf("GREG %s", user);
 334         serv_getln(cmd, sizeof cmd);
 335         if (cmd[0] == '1') {
 336                 a = 0;
 337                 do {
 338                         serv_getln(buf, sizeof buf);
 339                         ++a;
 340                         if (a == 1)
 341                                 wprintf("User #%s<br /><H1>%s</H1>",
 342                                         buf, &cmd[4]);
 343                         if (a == 2)
 344                                 wprintf("PW: %s<br />\n", buf);
 345                         if (a == 3)
 346                                 wprintf("%s<br />\n", buf);
 347                         if (a == 4)
 348                                 wprintf("%s<br />\n", buf);
 349                         if (a == 5)
 350                                 wprintf("%s, ", buf);
 351                         if (a == 6)
 352                                 wprintf("%s ", buf);
 353                         if (a == 7)
 354                                 wprintf("%s<br />\n", buf);
 355                         if (a == 8)
 356                                 wprintf("%s<br />\n", buf);
 357                         if (a == 9)
 358                                 wprintf(_("Current access level: %d (%s)\n"),
 359                                         atoi(buf), axdefs[atoi(buf)]);
 360                 } while (strcmp(buf, "000"));
 361         } else {
 362                 wprintf("<H1>%s</H1>%s<br />\n", user, &cmd[4]);
 363         }
 364
 365         wprintf("<hr />");
 366         wprintf(_("Select access level for this user:"));
 367         wprintf("<br />\n");
 368         for (a = 0; a <= 6; ++a) {
 369                 wprintf("<a href=\"validate&user=");
 370                 urlescputs(user);
 371                 wprintf("&axlevel=%d\">%s</A>&nbsp;&nbsp;&nbsp;\n",
 372                         a, axdefs[a]);
 373         }
 374         wprintf("<br />\n");
 375
 376         wprintf("</CENTER>\n");
 377         wprintf("</td></tr></table></div>\n");
 378         wDumpContent(1);
 379 }
 380
 381
 382
 383 /*
 384  * Display form for registration.
 385  * (Set during_login to 1 if this registration is being performed during
 386  * new user login and will require chaining to the proper screen.)
 387  */
 388 void display_reg(int during_login)
 389 {
 390         long vcard_msgnum;
 391
 392         if (goto_config_room() != 0) {
 393                 if (during_login) do_welcome();
 394                 else display_main_menu();
 395                 return;
 396         }
 397
 398         vcard_msgnum = locate_user_vcard(WC->wc_username, -1);
 399         if (vcard_msgnum < 0L) {
 400                 if (during_login) do_welcome();
 401                 else display_main_menu();
 402                 return;
 403         }
 404
 405         if (during_login) {
 406                 do_edit_vcard(vcard_msgnum, "1", "do_welcome");
 407         }
 408         else {
 409                 do_edit_vcard(vcard_msgnum, "1", "display_main_menu");
 410         }
 411
 412 }
 413
 414
 415
 416
 417 /*
 418  * display form for changing your password
 419  */
 420 void display_changepw(void)
 421 {
 422         char buf[SIZ];
 423
 424         output_headers(1, 1, 2, 0, 0, 0);
 425         wprintf("<div id=\"banner\">\n"
 426                 "<TABLE WIDTH=100%% BORDER=0 BGCOLOR=\"#444455\"><TR><TD>"
 427                 "<SPAN CLASS=\"titlebar\">");
 428         wprintf(_("Change your password"));
 429         wprintf("</SPAN>"
 430                 "</TD></TR></TABLE>\n"
 431                 "</div>\n<div id=\"content\">\n"
 432         );
 433
 434         if (strlen(WC->ImportantMessage) > 0) {
 435                 do_template("beginbox_nt");
 436                 wprintf("<SPAN CLASS=\"errormsg\">"
 437                         "%s</SPAN><br />\n", WC->ImportantMessage);
 438                 do_template("endbox");
 439                 safestrncpy(WC->ImportantMessage, "", sizeof WC->ImportantMessage);
 440         }
 441
 442         wprintf("<div id=\"fix_scrollbar_bug\">"
 443                 "<table border=0 width=100%% bgcolor=\"#ffffff\"><tr><td>\n");
 444
 445         wprintf("<CENTER><br />");
 446         serv_puts("MESG changepw");
 447         serv_getln(buf, sizeof buf);
 448         if (buf[0] == '1') {
 449                 fmout("CENTER");
 450         }
 451
 452         wprintf("<form name=\"changepwform\" action=\"changepw\" method=\"post\">\n");
 453         wprintf("<CENTER>"
 454                 "<table border=\"0\" cellspacing=\"5\" cellpadding=\"5\" "
 455                 "BGCOLOR=\"#EEEEEE\">"
 456                 "<TR><TD>");
 457         wprintf(_("Enter new password:"));
 458         wprintf("</TD>\n");
 459         wprintf("<TD><INPUT TYPE=\"password\" NAME=\"newpass1\" VALUE=\"\" MAXLENGTH=\"20\"></TD></TR>\n");
 460         wprintf("<TR><TD>");
 461         wprintf(_("Enter it again to confirm:"));
 462         wprintf("</TD>\n");
 463         wprintf("<TD><INPUT TYPE=\"password\" NAME=\"newpass2\" VALUE=\"\" MAXLENGTH=\"20\"></TD></TR>\n");
 464
 465         wprintf("</TABLE><br />\n");
 466         wprintf("<INPUT type=\"submit\" name=\"change_action\" value=\"%s\">", _("Change password"));
 467         wprintf("&nbsp;");
 468         wprintf("<INPUT type=\"submit\" name=\"cancel_action\" value=\"%s\">\n", _("Cancel"));
 469         wprintf("</form></center>\n");
 470         wprintf("</td></tr></table></div>\n");
 471         wDumpContent(1);
 472 }
 473
 474 /*
 475  * change password
 476  */
 477 void changepw(void)
 478 {
 479         char buf[SIZ];
 480         char newpass1[32], newpass2[32];
 481
 482         if (strlen(bstr("change_action")) == 0) {
 483                 safestrncpy(WC->ImportantMessage,
 484                         _("Cancelled.  Password was not changed."),
 485                         sizeof WC->ImportantMessage);
 486                 display_main_menu();
 487                 return;
 488         }
 489
 490         safestrncpy(newpass1, bstr("newpass1"), sizeof newpass1);
 491         safestrncpy(newpass2, bstr("newpass2"), sizeof newpass2);
 492
 493         if (strcasecmp(newpass1, newpass2)) {
 494                 safestrncpy(WC->ImportantMessage,
 495                         _("They don't match.  Password was not changed."),
 496                         sizeof WC->ImportantMessage);
 497                 display_changepw();
 498                 return;
 499         }
 500
 501         if (strlen(newpass1) == 0) {
 502                 safestrncpy(WC->ImportantMessage,
 503                         _("Blank passwords are not allowed."),
 504                         sizeof WC->ImportantMessage);
 505                 display_changepw();
 506                 return;
 507         }
 508
 509         serv_printf("SETP %s", newpass1);
 510         serv_getln(buf, sizeof buf);
 511         sprintf(WC->ImportantMessage, "%s", &buf[4]);
 512         if (buf[0] == '2') {
 513                 safestrncpy(WC->wc_password, buf, sizeof WC->wc_password);
 514                 display_main_menu();
 515         }
 516         else {
 517                 display_changepw();
 518         }
 519 }