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