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