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[] =
  11 {
  12         "Deleted",
  13         "New User",
  14         "Problem User",
  15         "Local User",
  16         "Network User",
  17         "Preferred User",
  18         "Aide"
  19 };
  20
  21 /*
  22  * Display the login screen
  23  */
  24 void display_login(char *mesg)
  25 {
  26         char buf[SIZ];
  27
  28         output_headers(1, 1, 2, 0, 0, 0);
  29         wprintf("<div style=\"position:absolute; top:20px; left:20px; right:20px\">\n");
  30
  31         if (mesg != NULL) if (strlen(mesg) > 0) {
  32                 stresc(buf, mesg, 0, 0);
  33                 svprintf("mesg", WCS_STRING, "%s", buf);
  34         }
  35
  36         svprintf("LOGIN_INSTRUCTIONS", WCS_STRING,
  37                 _("<ul>"
  38                 "<li><b>If you already have an account on %s</b>, "
  39                 "enter your user name and password and click &quot;Login.&quot; "
  40                 "<li><b>If you are a new user</b>, enter the name and password "
  41                 "you wish to use, "
  42                 "and click &quot;New User.&quot; "
  43                 "<li>Please log off properly when finished. "
  44                 "<li>You must use a browser that supports <i>frames</i> and "
  45                 "<i>cookies</i>. "
  46                 "<li>Also keep in mind that if your browser is "
  47                 "configured to block pop-up windows, you will not be able "
  48                 "to receive any instant messages.<br />"
  49                 "</ul>"),
  50                 serv_info.serv_humannode
  51         );
  52
  53         svprintf("LOGIN_BUTTON", WCS_STRING, "%s", _("Login"));
  54         svprintf("NEWUSER_BUTTON", WCS_STRING, "%s", _("New User"));
  55         svprintf("EXIT_BUTTON", WCS_STRING, "%s", _("Exit"));
  56         svprintf("hello", WCS_SERVCMD, "MESG hello");
  57         svprintf("BOXTITLE", WCS_STRING, _("%s - powered by Citadel"),
  58                 serv_info.serv_humannode);
  59
  60         do_template("login");
  61
  62         wDumpContent(2);
  63 }
  64
  65
  66
  67
  68 /*
  69  * This function needs to get called whenever the session changes from
  70  * not-logged-in to logged-in, either by an explicit login by the user or
  71  * by a timed-out session automatically re-establishing with a little help
  72  * from the browser cookie.  Either way, we need to load access controls and
  73  * preferences from the server.
  74  */
  75 void become_logged_in(char *user, char *pass, char *serv_response)
  76 {
  77         char buf[SIZ];
  78
  79         WC->logged_in = 1;
  80         extract_token(WC->wc_username, &serv_response[4], 0, '|', sizeof WC->wc_username);
  81         safestrncpy(WC->wc_password, pass, sizeof WC->wc_password);
  82         WC->axlevel = extract_int(&serv_response[4], 1);
  83         if (WC->axlevel >= 6) {
  84                 WC->is_aide = 1;
  85         }
  86
  87         load_preferences();
  88
  89         serv_puts("CHEK");
  90         serv_getln(buf, sizeof buf);
  91         if (buf[0] == '2') {
  92                 WC->new_mail = extract_int(&buf[4], 0);
  93                 WC->need_regi = extract_int(&buf[4], 1);
  94                 WC->need_vali = extract_int(&buf[4], 2);
  95                 extract_token(WC->cs_inet_email, &buf[4], 3, '|', sizeof WC->cs_inet_email);
  96         }
  97 }
  98
  99
 100 void do_login(void)
 101 {
 102         char buf[SIZ];
 103
 104         if (strlen(bstr("exit_action")) > 0) {
 105                 do_logout();
 106                 return;
 107         }
 108         if (strlen(bstr("login_action")) > 0) {
 109                 serv_printf("USER %s", bstr("name"));
 110                 serv_getln(buf, sizeof buf);
 111                 if (buf[0] == '3') {
 112                         serv_printf("PASS %s", bstr("pass"));
 113                         serv_getln(buf, sizeof buf);
 114                         if (buf[0] == '2') {
 115                                 become_logged_in(bstr("name"),
 116                                                  bstr("pass"), buf);
 117                         } else {
 118                                 display_login(&buf[4]);
 119                                 return;
 120                         }
 121                 } else {
 122                         display_login(&buf[4]);
 123                         return;
 124                 }
 125         }
 126         if (strlen(bstr("newuser_action")) > 0) {
 127                 if (strlen(bstr("pass")) == 0) {
 128                         display_login(_("Blank passwords are not allowed."));
 129                         return;
 130                 }
 131                 serv_printf("NEWU %s", bstr("name"));
 132                 serv_getln(buf, sizeof buf);
 133                 if (buf[0] == '2') {
 134                         become_logged_in(bstr("name"), bstr("pass"), buf);
 135                         serv_printf("SETP %s", bstr("pass"));
 136                         serv_getln(buf, sizeof buf);
 137                 } else {
 138                         display_login(&buf[4]);
 139                         return;
 140                 }
 141         }
 142         if (WC->logged_in) {
 143                 if (WC->need_regi) {
 144                         display_reg(1);
 145                 } else {
 146                         do_welcome();
 147                 }
 148         } else {
 149                 display_login(_("Your password was not accepted."));
 150         }
 151
 152 }
 153
 154 void do_welcome(void)
 155 {
 156         char buf[SIZ];
 157 #ifdef XXX_NOT_FINISHED_YET_XXX
 158         FILE *fp;
 159         int i;
 160
 161         /*
 162          * See if we have to run the first-time setup wizard
 163          */
 164         if (WC->is_aide) {
 165                 if (!setup_wizard) {
 166                         sprintf(wizard_filename, "setupwiz.%s.%s",
 167                                 ctdlhost, ctdlport);
 168                         for (i=0; i<strlen(wizard_filename); ++i) {
 169                                 if (    (wizard_filename[i]==' ')
 170                                         || (wizard_filename[i] == '/')
 171                                 ) {
 172                                         wizard_filename[i] = '_';
 173                                 }
 174                         }
 175
 176                         fp = fopen(wizard_filename, "r");
 177                         if (fp != NULL) {
 178                                 fgets(buf, sizeof buf, fp);
 179                                 buf[strlen(buf)-1] = 0;
 180                                 fclose(fp);
 181                                 if (atoi(buf) == serv_info.serv_rev_level) {
 182                                         setup_wizard = 1; /* already run */
 183                                 }
 184                         }
 185                 }
 186
 187                 if (!setup_wizard) {
 188                         http_redirect("setup_wizard");
 189                 }
 190         }
 191 #endif
 192
 193         /*
 194          * Go to the user's preferred start page
 195          */
 196         get_preference("startpage", buf, sizeof buf);
 197         if (strlen(buf)==0) {
 198                 safestrncpy(buf, "dotskip&room=_BASEROOM_", sizeof buf);
 199                 set_preference("startpage", buf, 1);
 200         }
 201         if (buf[0] == '/') {
 202                 strcpy(buf, &buf[1]);
 203         }
 204         http_redirect(buf);
 205 }
 206
 207
 208 /*
 209  * Disconnect from the Citadel server, and end this WebCit session
 210  */
 211 void end_webcit_session(void) {
 212         serv_puts("QUIT");
 213         WC->killthis = 1;
 214         /* close() of citadel socket will be done by do_housekeeping() */
 215 }
 216
 217
 218 void do_logout(void)
 219 {
 220         char buf[SIZ];
 221
 222         safestrncpy(WC->wc_username, "", sizeof WC->wc_username);
 223         safestrncpy(WC->wc_password, "", sizeof WC->wc_password);
 224         safestrncpy(WC->wc_roomname, "", sizeof WC->wc_roomname);
 225
 226         /* Calling output_headers() this way causes the cookies to be un-set */
 227         output_headers(1, 1, 0, 1, 0, 0);
 228
 229         wprintf("<center>");
 230         serv_puts("MESG goodbye");
 231         serv_getln(buf, sizeof buf);
 232
 233         if (WC->serv_sock >= 0) {
 234                 if (buf[0] == '1') {
 235                         fmout("CENTER");
 236                 } else {
 237                         wprintf("Goodbye\n");
 238                 }
 239         }
 240         else {
 241                 wprintf(_("This program was unable to connect or stay "
 242                         "connected to the Citadel server.  Please report "
 243                         "this problem to your system administrator.")
 244                 );
 245         }
 246
 247         wprintf("<hr /><a href=\".\">Log in again</A>&nbsp;&nbsp;&nbsp;"
 248                 "<a href=\"javascript:window.close();\">");
 249         wprintf(_("Close window"));
 250         wprintf("</a></center>\n");
 251         wDumpContent(2);
 252         end_webcit_session();
 253 }
 254
 255
 256 /*
 257  * validate new users
 258  */
 259 void validate(void)
 260 {
 261         char cmd[SIZ];
 262         char user[SIZ];
 263         char buf[SIZ];
 264         int a;
 265
 266         output_headers(1, 1, 2, 0, 0, 0);
 267         wprintf("<div id=\"banner\">\n"
 268                 "<TABLE WIDTH=100%% BORDER=0 BGCOLOR=\"#444455\"><TR><TD>"
 269                 "<SPAN CLASS=\"titlebar\">");
 270         wprintf(_("Validate new users"));
 271         wprintf("</SPAN></TD></TR></TABLE>\n</div>\n<div id=\"content\">\n");
 272
 273         safestrncpy(buf, bstr("user"), sizeof buf);
 274         if (strlen(buf) > 0)
 275                 if (strlen(bstr("axlevel")) > 0) {
 276                         serv_printf("VALI %s|%s", buf, bstr("axlevel"));
 277                         serv_getln(buf, sizeof buf);
 278                         if (buf[0] != '2') {
 279                                 wprintf("<b>%s</b><br />\n", &buf[4]);
 280                         }
 281                 }
 282         serv_puts("GNUR");
 283         serv_getln(buf, sizeof buf);
 284
 285         if (buf[0] != '3') {
 286                 wprintf("<b>%s</b><br />\n", &buf[4]);
 287                 wDumpContent(1);
 288                 return;
 289         }
 290
 291         wprintf("<div id=\"fix_scrollbar_bug\">"
 292                 "<table border=0 width=100%% bgcolor=\"#ffffff\"><tr><td>\n");
 293         wprintf("<center>");
 294
 295         safestrncpy(user, &buf[4], sizeof user);
 296         serv_printf("GREG %s", user);
 297         serv_getln(cmd, sizeof cmd);
 298         if (cmd[0] == '1') {
 299                 a = 0;
 300                 do {
 301                         serv_getln(buf, sizeof buf);
 302                         ++a;
 303                         if (a == 1)
 304                                 wprintf("User #%s<br /><H1>%s</H1>",
 305                                         buf, &cmd[4]);
 306                         if (a == 2)
 307                                 wprintf("PW: %s<br />\n", buf);
 308                         if (a == 3)
 309                                 wprintf("%s<br />\n", buf);
 310                         if (a == 4)
 311                                 wprintf("%s<br />\n", buf);
 312                         if (a == 5)
 313                                 wprintf("%s, ", buf);
 314                         if (a == 6)
 315                                 wprintf("%s ", buf);
 316                         if (a == 7)
 317                                 wprintf("%s<br />\n", buf);
 318                         if (a == 8)
 319                                 wprintf("%s<br />\n", buf);
 320                         if (a == 9)
 321                                 wprintf(_("Current access level: %d (%s)\n"),
 322                                         atoi(buf), axdefs[atoi(buf)]);
 323                 } while (strcmp(buf, "000"));
 324         } else {
 325                 wprintf("<H1>%s</H1>%s<br />\n", user, &cmd[4]);
 326         }
 327
 328         wprintf("<hr />");
 329         wprintf(_("Select access level for this user:"));
 330         wprintf("<br />\n");
 331         for (a = 0; a <= 6; ++a) {
 332                 wprintf("<a href=\"validate&user=");
 333                 urlescputs(user);
 334                 wprintf("&axlevel=%d\">%s</A>&nbsp;&nbsp;&nbsp;\n",
 335                         a, axdefs[a]);
 336         }
 337         wprintf("<br />\n");
 338
 339         wprintf("</CENTER>\n");
 340         wprintf("</td></tr></table></div>\n");
 341         wDumpContent(1);
 342 }
 343
 344
 345
 346 /*
 347  * Display form for registration.
 348  * (Set during_login to 1 if this registration is being performed during
 349  * new user login and will require chaining to the proper screen.)
 350  */
 351 void display_reg(int during_login)
 352 {
 353         long vcard_msgnum;
 354
 355         if (goto_config_room() != 0) {
 356                 if (during_login) do_welcome();
 357                 else display_main_menu();
 358                 return;
 359         }
 360
 361         vcard_msgnum = locate_user_vcard(WC->wc_username, -1);
 362         if (vcard_msgnum < 0L) {
 363                 if (during_login) do_welcome();
 364                 else display_main_menu();
 365                 return;
 366         }
 367
 368         if (during_login) {
 369                 do_edit_vcard(vcard_msgnum, "1", "do_welcome");
 370         }
 371         else {
 372                 do_edit_vcard(vcard_msgnum, "1", "display_main_menu");
 373         }
 374
 375 }
 376
 377
 378
 379
 380 /*
 381  * display form for changing your password
 382  */
 383 void display_changepw(void)
 384 {
 385         char buf[SIZ];
 386
 387         output_headers(1, 1, 2, 0, 0, 0);
 388         wprintf("<div id=\"banner\">\n"
 389                 "<TABLE WIDTH=100%% BORDER=0 BGCOLOR=\"#444455\"><TR><TD>"
 390                 "<SPAN CLASS=\"titlebar\">");
 391         wprintf(_("Change your password"));
 392         wprintf("</SPAN>"
 393                 "</TD></TR></TABLE>\n"
 394                 "</div>\n<div id=\"content\">\n"
 395         );
 396
 397         if (strlen(WC->ImportantMessage) > 0) {
 398                 do_template("beginbox_nt");
 399                 wprintf("<SPAN CLASS=\"errormsg\">"
 400                         "%s</SPAN><br />\n", WC->ImportantMessage);
 401                 do_template("endbox");
 402                 safestrncpy(WC->ImportantMessage, "", sizeof WC->ImportantMessage);
 403         }
 404
 405         wprintf("<div id=\"fix_scrollbar_bug\">"
 406                 "<table border=0 width=100%% bgcolor=\"#ffffff\"><tr><td>\n");
 407
 408         wprintf("<CENTER><br />");
 409         serv_puts("MESG changepw");
 410         serv_getln(buf, sizeof buf);
 411         if (buf[0] == '1') {
 412                 fmout("CENTER");
 413         }
 414
 415         wprintf("<form name=\"changepwform\" action=\"changepw\" method=\"post\">\n");
 416         wprintf("<CENTER>"
 417                 "<table border=\"0\" cellspacing=\"5\" cellpadding=\"5\" "
 418                 "BGCOLOR=\"#EEEEEE\">"
 419                 "<TR><TD>");
 420         wprintf(_("Enter new password:"));
 421         wprintf("</TD>\n");
 422         wprintf("<TD><INPUT TYPE=\"password\" NAME=\"newpass1\" VALUE=\"\" MAXLENGTH=\"20\"></TD></TR>\n");
 423         wprintf("<TR><TD>");
 424         wprintf(_("Enter it again to confirm:"));
 425         wprintf("</TD>\n");
 426         wprintf("<TD><INPUT TYPE=\"password\" NAME=\"newpass2\" VALUE=\"\" MAXLENGTH=\"20\"></TD></TR>\n");
 427
 428         wprintf("</TABLE><br />\n");
 429         wprintf("<INPUT type=\"submit\" name=\"change_action\" value=\"%s\">", _("Change password"));
 430         wprintf("&nbsp;");
 431         wprintf("<INPUT type=\"submit\" name=\"cancel_action\" value=\"%s\">\n", _("Cancel"));
 432         wprintf("</form></center>\n");
 433         wprintf("</td></tr></table></div>\n");
 434         wDumpContent(1);
 435 }
 436
 437 /*
 438  * change password
 439  */
 440 void changepw(void)
 441 {
 442         char buf[SIZ];
 443         char newpass1[32], newpass2[32];
 444
 445         if (strlen(bstr("change_action")) == 0) {
 446                 safestrncpy(WC->ImportantMessage,
 447                         _("Cancelled.  Password was not changed."),
 448                         sizeof WC->ImportantMessage);
 449                 display_main_menu();
 450                 return;
 451         }
 452
 453         safestrncpy(newpass1, bstr("newpass1"), sizeof newpass1);
 454         safestrncpy(newpass2, bstr("newpass2"), sizeof newpass2);
 455
 456         if (strcasecmp(newpass1, newpass2)) {
 457                 safestrncpy(WC->ImportantMessage,
 458                         _("They don't match.  Password was not changed."),
 459                         sizeof WC->ImportantMessage);
 460                 display_changepw();
 461                 return;
 462         }
 463
 464         if (strlen(newpass1) == 0) {
 465                 safestrncpy(WC->ImportantMessage,
 466                         _("Blank passwords are not allowed."),
 467                         sizeof WC->ImportantMessage);
 468                 display_changepw();
 469                 return;
 470         }
 471
 472         serv_printf("SETP %s", newpass1);
 473         serv_getln(buf, sizeof buf);
 474         sprintf(WC->ImportantMessage, "%s", &buf[4]);
 475         if (buf[0] == '2') {
 476                 safestrncpy(WC->wc_password, buf, sizeof WC->wc_password);
 477                 display_main_menu();
 478         }
 479         else {
 480                 display_changepw();
 481         }
 482 }