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         get_preference("floordiv_expanded", WC->floordiv_expanded, sizeof WC->floordiv_expanded);
 106 }
 107
 108
 109 void do_login(void)
 110 {
 111         char buf[SIZ];
 112
 113         if (strlen(bstr("exit_action")) > 0) {
 114                 do_logout();
 115                 return;
 116         }
 117         if (strlen(bstr("login_action")) > 0) {
 118                 serv_printf("USER %s", bstr("name"));
 119                 serv_getln(buf, sizeof buf);
 120                 if (buf[0] == '3') {
 121                         serv_printf("PASS %s", bstr("pass"));
 122                         serv_getln(buf, sizeof buf);
 123                         if (buf[0] == '2') {
 124                                 become_logged_in(bstr("name"),
 125                                                  bstr("pass"), buf);
 126                         } else {
 127                                 display_login(&buf[4]);
 128                                 return;
 129                         }
 130                 } else {
 131                         display_login(&buf[4]);
 132                         return;
 133                 }
 134         }
 135         if (strlen(bstr("newuser_action")) > 0) {
 136                 if (strlen(bstr("pass")) == 0) {
 137                         display_login(_("Blank passwords are not allowed."));
 138                         return;
 139                 }
 140                 serv_printf("NEWU %s", bstr("name"));
 141                 serv_getln(buf, sizeof buf);
 142                 if (buf[0] == '2') {
 143                         become_logged_in(bstr("name"), bstr("pass"), buf);
 144                         serv_printf("SETP %s", bstr("pass"));
 145                         serv_getln(buf, sizeof buf);
 146                 } else {
 147                         display_login(&buf[4]);
 148                         return;
 149                 }
 150         }
 151         if (WC->logged_in) {
 152                 if (WC->need_regi) {
 153                         display_reg(1);
 154                 } else {
 155                         do_welcome();
 156                 }
 157         } else {
 158                 display_login(_("Your password was not accepted."));
 159         }
 160
 161 }
 162
 163 void do_welcome(void)
 164 {
 165         char buf[SIZ];
 166 #ifdef XXX_NOT_FINISHED_YET_XXX
 167         FILE *fp;
 168         int i;
 169
 170         /*
 171          * See if we have to run the first-time setup wizard
 172          */
 173         if (WC->is_aide) {
 174                 if (!setup_wizard) {
 175                         sprintf(wizard_filename, "setupwiz.%s.%s",
 176                                 ctdlhost, ctdlport);
 177                         for (i=0; i<strlen(wizard_filename); ++i) {
 178                                 if (    (wizard_filename[i]==' ')
 179                                         || (wizard_filename[i] == '/')
 180                                 ) {
 181                                         wizard_filename[i] = '_';
 182                                 }
 183                         }
 184
 185                         fp = fopen(wizard_filename, "r");
 186                         if (fp != NULL) {
 187                                 fgets(buf, sizeof buf, fp);
 188                                 buf[strlen(buf)-1] = 0;
 189                                 fclose(fp);
 190                                 if (atoi(buf) == serv_info.serv_rev_level) {
 191                                         setup_wizard = 1; /* already run */
 192                                 }
 193                         }
 194                 }
 195
 196                 if (!setup_wizard) {
 197                         http_redirect("setup_wizard");
 198                 }
 199         }
 200 #endif
 201
 202         /*
 203          * Go to the user's preferred start page
 204          */
 205         get_preference("startpage", buf, sizeof buf);
 206         if (strlen(buf)==0) {
 207                 safestrncpy(buf, "dotskip&room=_BASEROOM_", sizeof buf);
 208                 set_preference("startpage", buf, 1);
 209         }
 210         if (buf[0] == '/') {
 211                 strcpy(buf, &buf[1]);
 212         }
 213         http_redirect(buf);
 214 }
 215
 216
 217 /*
 218  * Disconnect from the Citadel server, and end this WebCit session
 219  */
 220 void end_webcit_session(void) {
 221         char buf[256];
 222
 223         if (WC->logged_in) {
 224                 sprintf(buf, "%d", WC->current_iconbar);
 225                 set_preference("current_iconbar", buf, 0);
 226                 set_preference("floordiv_expanded", WC->floordiv_expanded, 1);
 227         }
 228
 229         serv_puts("QUIT");
 230         WC->killthis = 1;
 231         /* close() of citadel socket will be done by do_housekeeping() */
 232 }
 233
 234
 235 void do_logout(void)
 236 {
 237         char buf[SIZ];
 238
 239         safestrncpy(WC->wc_username, "", sizeof WC->wc_username);
 240         safestrncpy(WC->wc_password, "", sizeof WC->wc_password);
 241         safestrncpy(WC->wc_roomname, "", sizeof WC->wc_roomname);
 242
 243         /* Calling output_headers() this way causes the cookies to be un-set */
 244         output_headers(1, 1, 0, 1, 0, 0);
 245
 246         wprintf("<center>");
 247         serv_puts("MESG goodbye");
 248         serv_getln(buf, sizeof buf);
 249
 250         if (WC->serv_sock >= 0) {
 251                 if (buf[0] == '1') {
 252                         fmout("CENTER");
 253                 } else {
 254                         wprintf("Goodbye\n");
 255                 }
 256         }
 257         else {
 258                 wprintf(_("This program was unable to connect or stay "
 259                         "connected to the Citadel server.  Please report "
 260                         "this problem to your system administrator.")
 261                 );
 262         }
 263
 264         wprintf("<hr /><a href=\".\">Log in again</A>&nbsp;&nbsp;&nbsp;"
 265                 "<a href=\"javascript:window.close();\">");
 266         wprintf(_("Close window"));
 267         wprintf("</a></center>\n");
 268         wDumpContent(2);
 269         end_webcit_session();
 270 }
 271
 272
 273 /*
 274  * validate new users
 275  */
 276 void validate(void)
 277 {
 278         char cmd[SIZ];
 279         char user[SIZ];
 280         char buf[SIZ];
 281         int a;
 282
 283         output_headers(1, 1, 2, 0, 0, 0);
 284         wprintf("<div id=\"banner\">\n"
 285                 "<TABLE WIDTH=100%% BORDER=0 BGCOLOR=\"#444455\"><TR><TD>"
 286                 "<SPAN CLASS=\"titlebar\">");
 287         wprintf(_("Validate new users"));
 288         wprintf("</SPAN></TD></TR></TABLE>\n</div>\n<div id=\"content\">\n");
 289
 290         safestrncpy(buf, bstr("user"), sizeof buf);
 291         if (strlen(buf) > 0)
 292                 if (strlen(bstr("axlevel")) > 0) {
 293                         serv_printf("VALI %s|%s", buf, bstr("axlevel"));
 294                         serv_getln(buf, sizeof buf);
 295                         if (buf[0] != '2') {
 296                                 wprintf("<b>%s</b><br />\n", &buf[4]);
 297                         }
 298                 }
 299         serv_puts("GNUR");
 300         serv_getln(buf, sizeof buf);
 301
 302         if (buf[0] != '3') {
 303                 wprintf("<b>%s</b><br />\n", &buf[4]);
 304                 wDumpContent(1);
 305                 return;
 306         }
 307
 308         wprintf("<div id=\"fix_scrollbar_bug\">"
 309                 "<table border=0 width=100%% bgcolor=\"#ffffff\"><tr><td>\n");
 310         wprintf("<center>");
 311
 312         safestrncpy(user, &buf[4], sizeof user);
 313         serv_printf("GREG %s", user);
 314         serv_getln(cmd, sizeof cmd);
 315         if (cmd[0] == '1') {
 316                 a = 0;
 317                 do {
 318                         serv_getln(buf, sizeof buf);
 319                         ++a;
 320                         if (a == 1)
 321                                 wprintf("User #%s<br /><H1>%s</H1>",
 322                                         buf, &cmd[4]);
 323                         if (a == 2)
 324                                 wprintf("PW: %s<br />\n", buf);
 325                         if (a == 3)
 326                                 wprintf("%s<br />\n", buf);
 327                         if (a == 4)
 328                                 wprintf("%s<br />\n", buf);
 329                         if (a == 5)
 330                                 wprintf("%s, ", buf);
 331                         if (a == 6)
 332                                 wprintf("%s ", buf);
 333                         if (a == 7)
 334                                 wprintf("%s<br />\n", buf);
 335                         if (a == 8)
 336                                 wprintf("%s<br />\n", buf);
 337                         if (a == 9)
 338                                 wprintf(_("Current access level: %d (%s)\n"),
 339                                         atoi(buf), axdefs[atoi(buf)]);
 340                 } while (strcmp(buf, "000"));
 341         } else {
 342                 wprintf("<H1>%s</H1>%s<br />\n", user, &cmd[4]);
 343         }
 344
 345         wprintf("<hr />");
 346         wprintf(_("Select access level for this user:"));
 347         wprintf("<br />\n");
 348         for (a = 0; a <= 6; ++a) {
 349                 wprintf("<a href=\"validate&user=");
 350                 urlescputs(user);
 351                 wprintf("&axlevel=%d\">%s</A>&nbsp;&nbsp;&nbsp;\n",
 352                         a, axdefs[a]);
 353         }
 354         wprintf("<br />\n");
 355
 356         wprintf("</CENTER>\n");
 357         wprintf("</td></tr></table></div>\n");
 358         wDumpContent(1);
 359 }
 360
 361
 362
 363 /*
 364  * Display form for registration.
 365  * (Set during_login to 1 if this registration is being performed during
 366  * new user login and will require chaining to the proper screen.)
 367  */
 368 void display_reg(int during_login)
 369 {
 370         long vcard_msgnum;
 371
 372         if (goto_config_room() != 0) {
 373                 if (during_login) do_welcome();
 374                 else display_main_menu();
 375                 return;
 376         }
 377
 378         vcard_msgnum = locate_user_vcard(WC->wc_username, -1);
 379         if (vcard_msgnum < 0L) {
 380                 if (during_login) do_welcome();
 381                 else display_main_menu();
 382                 return;
 383         }
 384
 385         if (during_login) {
 386                 do_edit_vcard(vcard_msgnum, "1", "do_welcome");
 387         }
 388         else {
 389                 do_edit_vcard(vcard_msgnum, "1", "display_main_menu");
 390         }
 391
 392 }
 393
 394
 395
 396
 397 /*
 398  * display form for changing your password
 399  */
 400 void display_changepw(void)
 401 {
 402         char buf[SIZ];
 403
 404         output_headers(1, 1, 2, 0, 0, 0);
 405         wprintf("<div id=\"banner\">\n"
 406                 "<TABLE WIDTH=100%% BORDER=0 BGCOLOR=\"#444455\"><TR><TD>"
 407                 "<SPAN CLASS=\"titlebar\">");
 408         wprintf(_("Change your password"));
 409         wprintf("</SPAN>"
 410                 "</TD></TR></TABLE>\n"
 411                 "</div>\n<div id=\"content\">\n"
 412         );
 413
 414         if (strlen(WC->ImportantMessage) > 0) {
 415                 do_template("beginbox_nt");
 416                 wprintf("<SPAN CLASS=\"errormsg\">"
 417                         "%s</SPAN><br />\n", WC->ImportantMessage);
 418                 do_template("endbox");
 419                 safestrncpy(WC->ImportantMessage, "", sizeof WC->ImportantMessage);
 420         }
 421
 422         wprintf("<div id=\"fix_scrollbar_bug\">"
 423                 "<table border=0 width=100%% bgcolor=\"#ffffff\"><tr><td>\n");
 424
 425         wprintf("<CENTER><br />");
 426         serv_puts("MESG changepw");
 427         serv_getln(buf, sizeof buf);
 428         if (buf[0] == '1') {
 429                 fmout("CENTER");
 430         }
 431
 432         wprintf("<form name=\"changepwform\" action=\"changepw\" method=\"post\">\n");
 433         wprintf("<CENTER>"
 434                 "<table border=\"0\" cellspacing=\"5\" cellpadding=\"5\" "
 435                 "BGCOLOR=\"#EEEEEE\">"
 436                 "<TR><TD>");
 437         wprintf(_("Enter new password:"));
 438         wprintf("</TD>\n");
 439         wprintf("<TD><INPUT TYPE=\"password\" NAME=\"newpass1\" VALUE=\"\" MAXLENGTH=\"20\"></TD></TR>\n");
 440         wprintf("<TR><TD>");
 441         wprintf(_("Enter it again to confirm:"));
 442         wprintf("</TD>\n");
 443         wprintf("<TD><INPUT TYPE=\"password\" NAME=\"newpass2\" VALUE=\"\" MAXLENGTH=\"20\"></TD></TR>\n");
 444
 445         wprintf("</TABLE><br />\n");
 446         wprintf("<INPUT type=\"submit\" name=\"change_action\" value=\"%s\">", _("Change password"));
 447         wprintf("&nbsp;");
 448         wprintf("<INPUT type=\"submit\" name=\"cancel_action\" value=\"%s\">\n", _("Cancel"));
 449         wprintf("</form></center>\n");
 450         wprintf("</td></tr></table></div>\n");
 451         wDumpContent(1);
 452 }
 453
 454 /*
 455  * change password
 456  */
 457 void changepw(void)
 458 {
 459         char buf[SIZ];
 460         char newpass1[32], newpass2[32];
 461
 462         if (strlen(bstr("change_action")) == 0) {
 463                 safestrncpy(WC->ImportantMessage,
 464                         _("Cancelled.  Password was not changed."),
 465                         sizeof WC->ImportantMessage);
 466                 display_main_menu();
 467                 return;
 468         }
 469
 470         safestrncpy(newpass1, bstr("newpass1"), sizeof newpass1);
 471         safestrncpy(newpass2, bstr("newpass2"), sizeof newpass2);
 472
 473         if (strcasecmp(newpass1, newpass2)) {
 474                 safestrncpy(WC->ImportantMessage,
 475                         _("They don't match.  Password was not changed."),
 476                         sizeof WC->ImportantMessage);
 477                 display_changepw();
 478                 return;
 479         }
 480
 481         if (strlen(newpass1) == 0) {
 482                 safestrncpy(WC->ImportantMessage,
 483                         _("Blank passwords are not allowed."),
 484                         sizeof WC->ImportantMessage);
 485                 display_changepw();
 486                 return;
 487         }
 488
 489         serv_printf("SETP %s", newpass1);
 490         serv_getln(buf, sizeof buf);
 491         sprintf(WC->ImportantMessage, "%s", &buf[4]);
 492         if (buf[0] == '2') {
 493                 safestrncpy(WC->wc_password, buf, sizeof WC->wc_password);
 494                 display_main_menu();
 495         }
 496         else {
 497                 display_changepw();
 498         }
 499 }