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
 103
 104 void do_login(void)
 105 {
 106         char buf[SIZ];
 107
 108         if (strlen(bstr("exit_action")) > 0) {
 109                 do_logout();
 110                 return;
 111         }
 112         if (strlen(bstr("login_action")) > 0) {
 113                 serv_printf("USER %s", bstr("name"));
 114                 serv_getln(buf, sizeof buf);
 115                 if (buf[0] == '3') {
 116                         serv_printf("PASS %s", bstr("pass"));
 117                         serv_getln(buf, sizeof buf);
 118                         if (buf[0] == '2') {
 119                                 become_logged_in(bstr("name"),
 120                                                  bstr("pass"), buf);
 121                         } else {
 122                                 display_login(&buf[4]);
 123                                 return;
 124                         }
 125                 } else {
 126                         display_login(&buf[4]);
 127                         return;
 128                 }
 129         }
 130         if (strlen(bstr("newuser_action")) > 0) {
 131                 if (strlen(bstr("pass")) == 0) {
 132                         display_login(_("Blank passwords are not allowed."));
 133                         return;
 134                 }
 135                 serv_printf("NEWU %s", bstr("name"));
 136                 serv_getln(buf, sizeof buf);
 137                 if (buf[0] == '2') {
 138                         become_logged_in(bstr("name"), bstr("pass"), buf);
 139                         serv_printf("SETP %s", bstr("pass"));
 140                         serv_getln(buf, sizeof buf);
 141                 } else {
 142                         display_login(&buf[4]);
 143                         return;
 144                 }
 145         }
 146         if (WC->logged_in) {
 147                 if (WC->need_regi) {
 148                         display_reg(1);
 149                 } else {
 150                         do_welcome();
 151                 }
 152         } else {
 153                 display_login(_("Your password was not accepted."));
 154         }
 155
 156 }
 157
 158 void do_welcome(void)
 159 {
 160         char buf[SIZ];
 161 #ifdef XXX_NOT_FINISHED_YET_XXX
 162         FILE *fp;
 163         int i;
 164
 165         /*
 166          * See if we have to run the first-time setup wizard
 167          */
 168         if (WC->is_aide) {
 169                 if (!setup_wizard) {
 170                         sprintf(wizard_filename, "setupwiz.%s.%s",
 171                                 ctdlhost, ctdlport);
 172                         for (i=0; i<strlen(wizard_filename); ++i) {
 173                                 if (    (wizard_filename[i]==' ')
 174                                         || (wizard_filename[i] == '/')
 175                                 ) {
 176                                         wizard_filename[i] = '_';
 177                                 }
 178                         }
 179
 180                         fp = fopen(wizard_filename, "r");
 181                         if (fp != NULL) {
 182                                 fgets(buf, sizeof buf, fp);
 183                                 buf[strlen(buf)-1] = 0;
 184                                 fclose(fp);
 185                                 if (atoi(buf) == serv_info.serv_rev_level) {
 186                                         setup_wizard = 1; /* already run */
 187                                 }
 188                         }
 189                 }
 190
 191                 if (!setup_wizard) {
 192                         http_redirect("setup_wizard");
 193                 }
 194         }
 195 #endif
 196
 197         /*
 198          * Go to the user's preferred start page
 199          */
 200         get_preference("startpage", buf, sizeof buf);
 201         if (strlen(buf)==0) {
 202                 safestrncpy(buf, "dotskip&room=_BASEROOM_", sizeof buf);
 203                 set_preference("startpage", buf, 1);
 204         }
 205         if (buf[0] == '/') {
 206                 strcpy(buf, &buf[1]);
 207         }
 208         http_redirect(buf);
 209 }
 210
 211
 212 /*
 213  * Disconnect from the Citadel server, and end this WebCit session
 214  */
 215 void end_webcit_session(void) {
 216         serv_puts("QUIT");
 217         WC->killthis = 1;
 218         /* close() of citadel socket will be done by do_housekeeping() */
 219 }
 220
 221
 222 void do_logout(void)
 223 {
 224         char buf[SIZ];
 225
 226         safestrncpy(WC->wc_username, "", sizeof WC->wc_username);
 227         safestrncpy(WC->wc_password, "", sizeof WC->wc_password);
 228         safestrncpy(WC->wc_roomname, "", sizeof WC->wc_roomname);
 229
 230         /* Calling output_headers() this way causes the cookies to be un-set */
 231         output_headers(1, 1, 0, 1, 0, 0);
 232
 233         wprintf("<center>");
 234         serv_puts("MESG goodbye");
 235         serv_getln(buf, sizeof buf);
 236
 237         if (WC->serv_sock >= 0) {
 238                 if (buf[0] == '1') {
 239                         fmout("CENTER");
 240                 } else {
 241                         wprintf("Goodbye\n");
 242                 }
 243         }
 244         else {
 245                 wprintf(_("This program was unable to connect or stay "
 246                         "connected to the Citadel server.  Please report "
 247                         "this problem to your system administrator.")
 248                 );
 249         }
 250
 251         wprintf("<hr /><a href=\".\">Log in again</A>&nbsp;&nbsp;&nbsp;"
 252                 "<a href=\"javascript:window.close();\">");
 253         wprintf(_("Close window"));
 254         wprintf("</a></center>\n");
 255         wDumpContent(2);
 256         end_webcit_session();
 257 }
 258
 259
 260 /*
 261  * validate new users
 262  */
 263 void validate(void)
 264 {
 265         char cmd[SIZ];
 266         char user[SIZ];
 267         char buf[SIZ];
 268         int a;
 269
 270         output_headers(1, 1, 2, 0, 0, 0);
 271         wprintf("<div id=\"banner\">\n"
 272                 "<TABLE WIDTH=100%% BORDER=0 BGCOLOR=\"#444455\"><TR><TD>"
 273                 "<SPAN CLASS=\"titlebar\">");
 274         wprintf(_("Validate new users"));
 275         wprintf("</SPAN></TD></TR></TABLE>\n</div>\n<div id=\"content\">\n");
 276
 277         safestrncpy(buf, bstr("user"), sizeof buf);
 278         if (strlen(buf) > 0)
 279                 if (strlen(bstr("axlevel")) > 0) {
 280                         serv_printf("VALI %s|%s", buf, bstr("axlevel"));
 281                         serv_getln(buf, sizeof buf);
 282                         if (buf[0] != '2') {
 283                                 wprintf("<b>%s</b><br />\n", &buf[4]);
 284                         }
 285                 }
 286         serv_puts("GNUR");
 287         serv_getln(buf, sizeof buf);
 288
 289         if (buf[0] != '3') {
 290                 wprintf("<b>%s</b><br />\n", &buf[4]);
 291                 wDumpContent(1);
 292                 return;
 293         }
 294
 295         wprintf("<div id=\"fix_scrollbar_bug\">"
 296                 "<table border=0 width=100%% bgcolor=\"#ffffff\"><tr><td>\n");
 297         wprintf("<center>");
 298
 299         safestrncpy(user, &buf[4], sizeof user);
 300         serv_printf("GREG %s", user);
 301         serv_getln(cmd, sizeof cmd);
 302         if (cmd[0] == '1') {
 303                 a = 0;
 304                 do {
 305                         serv_getln(buf, sizeof buf);
 306                         ++a;
 307                         if (a == 1)
 308                                 wprintf("User #%s<br /><H1>%s</H1>",
 309                                         buf, &cmd[4]);
 310                         if (a == 2)
 311                                 wprintf("PW: %s<br />\n", buf);
 312                         if (a == 3)
 313                                 wprintf("%s<br />\n", buf);
 314                         if (a == 4)
 315                                 wprintf("%s<br />\n", buf);
 316                         if (a == 5)
 317                                 wprintf("%s, ", buf);
 318                         if (a == 6)
 319                                 wprintf("%s ", buf);
 320                         if (a == 7)
 321                                 wprintf("%s<br />\n", buf);
 322                         if (a == 8)
 323                                 wprintf("%s<br />\n", buf);
 324                         if (a == 9)
 325                                 wprintf(_("Current access level: %d (%s)\n"),
 326                                         atoi(buf), axdefs[atoi(buf)]);
 327                 } while (strcmp(buf, "000"));
 328         } else {
 329                 wprintf("<H1>%s</H1>%s<br />\n", user, &cmd[4]);
 330         }
 331
 332         wprintf("<hr />");
 333         wprintf(_("Select access level for this user:"));
 334         wprintf("<br />\n");
 335         for (a = 0; a <= 6; ++a) {
 336                 wprintf("<a href=\"validate&user=");
 337                 urlescputs(user);
 338                 wprintf("&axlevel=%d\">%s</A>&nbsp;&nbsp;&nbsp;\n",
 339                         a, axdefs[a]);
 340         }
 341         wprintf("<br />\n");
 342
 343         wprintf("</CENTER>\n");
 344         wprintf("</td></tr></table></div>\n");
 345         wDumpContent(1);
 346 }
 347
 348
 349
 350 /*
 351  * Display form for registration.
 352  * (Set during_login to 1 if this registration is being performed during
 353  * new user login and will require chaining to the proper screen.)
 354  */
 355 void display_reg(int during_login)
 356 {
 357         long vcard_msgnum;
 358
 359         if (goto_config_room() != 0) {
 360                 if (during_login) do_welcome();
 361                 else display_main_menu();
 362                 return;
 363         }
 364
 365         vcard_msgnum = locate_user_vcard(WC->wc_username, -1);
 366         if (vcard_msgnum < 0L) {
 367                 if (during_login) do_welcome();
 368                 else display_main_menu();
 369                 return;
 370         }
 371
 372         if (during_login) {
 373                 do_edit_vcard(vcard_msgnum, "1", "do_welcome");
 374         }
 375         else {
 376                 do_edit_vcard(vcard_msgnum, "1", "display_main_menu");
 377         }
 378
 379 }
 380
 381
 382
 383
 384 /*
 385  * display form for changing your password
 386  */
 387 void display_changepw(void)
 388 {
 389         char buf[SIZ];
 390
 391         output_headers(1, 1, 2, 0, 0, 0);
 392         wprintf("<div id=\"banner\">\n"
 393                 "<TABLE WIDTH=100%% BORDER=0 BGCOLOR=\"#444455\"><TR><TD>"
 394                 "<SPAN CLASS=\"titlebar\">");
 395         wprintf(_("Change your password"));
 396         wprintf("</SPAN>"
 397                 "</TD></TR></TABLE>\n"
 398                 "</div>\n<div id=\"content\">\n"
 399         );
 400
 401         if (strlen(WC->ImportantMessage) > 0) {
 402                 do_template("beginbox_nt");
 403                 wprintf("<SPAN CLASS=\"errormsg\">"
 404                         "%s</SPAN><br />\n", WC->ImportantMessage);
 405                 do_template("endbox");
 406                 safestrncpy(WC->ImportantMessage, "", sizeof WC->ImportantMessage);
 407         }
 408
 409         wprintf("<div id=\"fix_scrollbar_bug\">"
 410                 "<table border=0 width=100%% bgcolor=\"#ffffff\"><tr><td>\n");
 411
 412         wprintf("<CENTER><br />");
 413         serv_puts("MESG changepw");
 414         serv_getln(buf, sizeof buf);
 415         if (buf[0] == '1') {
 416                 fmout("CENTER");
 417         }
 418
 419         wprintf("<form name=\"changepwform\" action=\"changepw\" method=\"post\">\n");
 420         wprintf("<CENTER>"
 421                 "<table border=\"0\" cellspacing=\"5\" cellpadding=\"5\" "
 422                 "BGCOLOR=\"#EEEEEE\">"
 423                 "<TR><TD>");
 424         wprintf(_("Enter new password:"));
 425         wprintf("</TD>\n");
 426         wprintf("<TD><INPUT TYPE=\"password\" NAME=\"newpass1\" VALUE=\"\" MAXLENGTH=\"20\"></TD></TR>\n");
 427         wprintf("<TR><TD>");
 428         wprintf(_("Enter it again to confirm:"));
 429         wprintf("</TD>\n");
 430         wprintf("<TD><INPUT TYPE=\"password\" NAME=\"newpass2\" VALUE=\"\" MAXLENGTH=\"20\"></TD></TR>\n");
 431
 432         wprintf("</TABLE><br />\n");
 433         wprintf("<INPUT type=\"submit\" name=\"change_action\" value=\"%s\">", _("Change password"));
 434         wprintf("&nbsp;");
 435         wprintf("<INPUT type=\"submit\" name=\"cancel_action\" value=\"%s\">\n", _("Cancel"));
 436         wprintf("</form></center>\n");
 437         wprintf("</td></tr></table></div>\n");
 438         wDumpContent(1);
 439 }
 440
 441 /*
 442  * change password
 443  */
 444 void changepw(void)
 445 {
 446         char buf[SIZ];
 447         char newpass1[32], newpass2[32];
 448
 449         if (strlen(bstr("change_action")) == 0) {
 450                 safestrncpy(WC->ImportantMessage,
 451                         _("Cancelled.  Password was not changed."),
 452                         sizeof WC->ImportantMessage);
 453                 display_main_menu();
 454                 return;
 455         }
 456
 457         safestrncpy(newpass1, bstr("newpass1"), sizeof newpass1);
 458         safestrncpy(newpass2, bstr("newpass2"), sizeof newpass2);
 459
 460         if (strcasecmp(newpass1, newpass2)) {
 461                 safestrncpy(WC->ImportantMessage,
 462                         _("They don't match.  Password was not changed."),
 463                         sizeof WC->ImportantMessage);
 464                 display_changepw();
 465                 return;
 466         }
 467
 468         if (strlen(newpass1) == 0) {
 469                 safestrncpy(WC->ImportantMessage,
 470                         _("Blank passwords are not allowed."),
 471                         sizeof WC->ImportantMessage);
 472                 display_changepw();
 473                 return;
 474         }
 475
 476         serv_printf("SETP %s", newpass1);
 477         serv_getln(buf, sizeof buf);
 478         sprintf(WC->ImportantMessage, "%s", &buf[4]);
 479         if (buf[0] == '2') {
 480                 safestrncpy(WC->wc_password, buf, sizeof WC->wc_password);
 481                 display_main_menu();
 482         }
 483         else {
 484                 display_changepw();
 485         }
 486 }