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