4 * WebcitAuth; Handles authentication of users to a Citadel server.
12 * Access level definitions. This is initialized from a function rather than a
13 * static array so that the strings may be localized.
17 void initialize_axdefs(void) {
18 axdefs[0] = _("Deleted"); /* an erased user */
19 axdefs[1] = _("New User"); /* a new user */
20 axdefs[2] = _("Problem User"); /* a trouble maker */
21 axdefs[3] = _("Local User"); /* user with normal privileges */
22 axdefs[4] = _("Network User"); /* a user that may access network resources */
23 axdefs[5] = _("Preferred User");/* a moderator */
24 axdefs[6] = _("Aide"); /* chief */
31 * Display the login screen
32 * mesg = the error message if last attempt failed.
34 void display_login(char *mesg)
38 output_headers(1, 1, 2, 0, 0, 0);
39 wprintf("<div id=\"login_screen\">\n");
41 if (mesg != NULL) if (!IsEmptyStr(mesg)) {
42 stresc(buf, SIZ, mesg, 0, 0);
43 svprintf(HKEY("MESG"), WCS_STRING, "%s", buf);
46 svprintf(HKEY("LOGIN_INSTRUCTIONS"), WCS_STRING,
48 "<li><b>If you already have an account on %s</b>, "
49 "enter your user name and password and click "Login." "
50 "<li><b>If you are a new user</b>, enter the name and password "
52 "and click "New User." "
53 "<li>Please log off properly when finished. "
54 "<li>You must use a browser that supports <i>frames</i> and "
56 "<li>Also keep in mind that if your browser is "
57 "configured to block pop-up windows, you will not be able "
58 "to receive any instant messages.<br />"
60 serv_info.serv_humannode
63 svput("USERNAME_BOX", WCS_STRING, _("User name:"));
64 svput("PASSWORD_BOX", WCS_STRING, _("Password:"));
65 svput("LANGUAGE_BOX", WCS_STRING, _("Language:"));
66 svput("LOGIN_BUTTON", WCS_STRING, _("Login"));
67 svput("NEWUSER_BUTTON", WCS_STRING, _("New User"));
68 svput("EXIT_BUTTON", WCS_STRING, _("Exit"));
69 svput("HELLO", WCS_SERVCMD, "MESG hello");
70 svprintf(HKEY("BOXTITLE"), WCS_STRING, _("%s - powered by <a href=\"http://www.citadel.org\">Citadel</a>"),
71 serv_info.serv_humannode);
72 svcallback("DO_LANGUAGE_BOX", offer_languages);
73 if (serv_info.serv_newuser_disabled) {
74 svput("NEWUSER_BUTTON_PRE", WCS_STRING, "<div style=\"display:none;\">");
75 svput("NEWUSER_BUTTON_POST", WCS_STRING, "</div>");
78 svput("NEWUSER_BUTTON_PRE", WCS_STRING, "");
79 svput("NEWUSER_BUTTON_POST", WCS_STRING, "");
82 if (serv_info.serv_supports_openid) {
83 svprintf(HKEY("OFFER_OPENID_LOGIN"), WCS_STRING,
85 "<a href=\"display_openid_login\">"
86 "<img src=\"static/openid-small.gif\" border=0 valign=middle>"
94 svput("OFFER_OPENID_LOGIN", WCS_STRING, "");
106 * Display the openid-enabled login screen
107 * mesg = the error message if last attempt failed.
109 void display_openid_login(char *mesg)
113 output_headers(1, 1, 2, 0, 0, 0);
114 wprintf("<div id=\"login_screen\">\n");
116 if (mesg != NULL) if (!IsEmptyStr(mesg)) {
117 stresc(buf, SIZ, mesg, 0, 0);
118 svprintf(HKEY("MESG"), WCS_STRING, "%s", buf);
121 svprintf(HKEY("LOGIN_INSTRUCTIONS"), WCS_STRING,
123 "<li>Enter your OpenID URL and click "Login"."
124 "<li><a href=\"http://www.citadel.org/doku.php/documentation:openid\">"
125 "Click here to learn what OpenID is and how Citadel is using it.</a>"
126 "<li>Please log off properly when finished. "
127 "<li>You must use a browser that supports <i>frames</i> and "
129 "<li>Also keep in mind that if your browser is "
130 "configured to block pop-up windows, you will not be able "
131 "to receive any instant messages.<br />"
135 svput("OPENID_BOX", WCS_STRING, _("OpenID URL:"));
136 svput("LANGUAGE_BOX", WCS_STRING, _("Language:"));
137 svput("LOGIN_BUTTON", WCS_STRING, _("Login"));
138 svput("EXIT_BUTTON", WCS_STRING, _("Exit"));
139 svput("HELLO", WCS_SERVCMD, "MESG hello");
140 svprintf(HKEY("BOXTITLE"), WCS_STRING, _("%s - powered by <a href=\"http://www.citadel.org\">Citadel</a>"),
141 serv_info.serv_humannode);
142 svcallback("DO_LANGUAGE_BOX", offer_languages);
144 svprintf(HKEY("OFFER_CONVENTIONAL_LOGIN"), WCS_STRING,
146 "<a href=\"display_login\">"
150 "Log in using a user name and password"
153 do_template("openid_login");
158 void display_openid_name_request(char *claimed_id, char *username) {
161 output_headers(1, 1, 2, 0, 0, 0);
162 wprintf("<div id=\"login_screen\">\n");
164 stresc(buf, sizeof buf, claimed_id, 0, 0);
165 svprintf(HKEY("VERIFIED"), WCS_STRING, _("Your OpenID <tt>%s</tt> was successfully verified."),
167 svput("CLAIMED_ID", WCS_STRING, claimed_id);
170 if (!IsEmptyStr(username)) {
171 stresc(buf, sizeof buf, username, 0, 0);
172 svprintf(HKEY("REASON"), WCS_STRING,
173 _("However, the user name '%s' conflicts with an existing user."), username);
176 svput("REASON", WCS_STRING, "");
179 svput("ACTION_REQUESTED", WCS_STRING, _("Please specify the user name you would like to use."));
181 svput("USERNAME_BOX", WCS_STRING, _("User name:"));
182 svput("NEWUSER_BUTTON", WCS_STRING, _("New User"));
183 svput("EXIT_BUTTON", WCS_STRING, _("Exit"));
185 svprintf(HKEY("BOXTITLE"), WCS_STRING, _("%s - powered by <a href=\"http://www.citadel.org\">Citadel</a>"),
186 serv_info.serv_humannode);
188 do_template("openid_manual_create");
194 /* Initialize the session
196 * This function needs to get called whenever the session changes from
197 * not-logged-in to logged-in, either by an explicit login by the user or
198 * by a timed-out session automatically re-establishing with a little help
199 * from the browser cookie. Either way, we need to load access controls and
200 * preferences from the server.
204 * serv_response The parameters returned from a Citadel USER or NEWU command
206 void become_logged_in(char *user, char *pass, char *serv_response)
211 extract_token(WC->wc_fullname, &serv_response[4], 0, '|', sizeof WC->wc_fullname);
212 safestrncpy(WC->wc_username, user, sizeof WC->wc_username);
213 safestrncpy(WC->wc_password, pass, sizeof WC->wc_password);
214 WC->axlevel = extract_int(&serv_response[4], 1);
215 if (WC->axlevel >= 6) {
222 serv_getln(buf, sizeof buf);
224 WC->new_mail = extract_int(&buf[4], 0);
225 WC->need_regi = extract_int(&buf[4], 1);
226 WC->need_vali = extract_int(&buf[4], 2);
227 extract_token(WC->cs_inet_email, &buf[4], 3, '|', sizeof WC->cs_inet_email);
230 get_pref_long("current_iconbar", &WC->current_iconbar, current_iconbar_menu);
232 get_preference("floordiv_expanded", &WC->floordiv_expanded);
237 * Perform authentication using a user name and password
243 if (havebstr("language")) {
244 set_selected_language(bstr("language"));
245 go_selected_language();
248 if (havebstr("exit_action")) {
252 if (havebstr("login_action")) {
253 serv_printf("USER %s", bstr("name"));
254 serv_getln(buf, sizeof buf);
256 serv_printf("PASS %s", bstr("pass"));
257 serv_getln(buf, sizeof buf);
259 become_logged_in(bstr("name"), bstr("pass"), buf);
261 display_login(&buf[4]);
265 display_login(&buf[4]);
269 if (havebstr("newuser_action")) {
270 if (!havebstr("pass")) {
271 display_login(_("Blank passwords are not allowed."));
274 serv_printf("NEWU %s", bstr("name"));
275 serv_getln(buf, sizeof buf);
277 become_logged_in(bstr("name"), bstr("pass"), buf);
278 serv_printf("SETP %s", bstr("pass"));
279 serv_getln(buf, sizeof buf);
281 display_login(&buf[4]);
288 } else if (WC->need_vali) {
294 display_login(_("Your password was not accepted."));
300 * Try to create an account manually after an OpenID was verified
302 void openid_manual_create(void)
304 if (havebstr("exit_action")) {
310 if (havebstr("newuser_action")) {
311 serv_printf("OIDC %s", bstr("name"));
312 serv_getln(buf, sizeof buf);
314 char gpass[1024] = "";
315 serv_puts("SETP GENERATE_RANDOM_PASSWORD");
316 serv_getln(gpass, sizeof gpass);
317 become_logged_in(bstr("name"), &gpass[4], buf);
324 } else if (WC->need_vali) {
330 display_openid_name_request(bstr("openid_url"), bstr("name"));
337 * Perform authentication using OpenID
338 * assemble the checkid_setup request and then redirect to the user's identity provider
340 void do_openid_login(void)
344 if (havebstr("language")) {
345 set_selected_language(bstr("language"));
346 go_selected_language();
349 if (havebstr("exit_action")) {
353 if (havebstr("login_action")) {
354 snprintf(buf, sizeof buf,
355 "OIDS %s|%s://%s/finalize_openid_login|%s://%s",
357 (is_https ? "https" : "http"), WC->http_host,
358 (is_https ? "https" : "http"), WC->http_host
362 serv_getln(buf, sizeof buf);
364 lprintf(CTDL_DEBUG, "OpenID server contacted; redirecting to %s\n", &buf[4]);
365 http_redirect(&buf[4]);
369 display_openid_login(&buf[4]);
374 /* If we get to this point then something failed. */
375 display_openid_login(_("Your password was not accepted."));
379 * Complete the authentication using OpenID
380 * This function handles the positive or negative assertion from the user's Identity Provider
382 void finalize_openid_login(void)
385 struct wcsession *WCC = WC;
386 int already_logged_in = (WCC->logged_in) ;
388 char result[128] = "";
389 char username[128] = "";
390 char password[128] = "";
391 char logged_in_response[1024] = "";
392 char claimed_id[1024] = "";
394 if (havebstr("openid.mode")) {
395 if (!strcasecmp(bstr("openid.mode"), "id_res")) {
398 serv_getln(buf, sizeof buf);
407 Cursor = GetNewHashPos ();
408 while (GetNextHashPos(WCC->urlstrings, Cursor, &HKLen, &HKey, &U)) {
410 if (!strncasecmp(u->url_key, "openid.", 7)) {
411 serv_printf("%s|%s", &u->url_key[7], u->url_data);
418 while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
419 if (linecount == 0) safestrncpy(result, buf, sizeof result);
420 if (!strcasecmp(result, "authenticate")) {
421 if (linecount == 1) {
422 safestrncpy(username, buf, sizeof username);
424 else if (linecount == 2) {
425 safestrncpy(password, buf, sizeof password);
427 else if (linecount == 3) {
428 safestrncpy(logged_in_response, buf,
429 sizeof logged_in_response);
432 else if (!strcasecmp(result, "verify_only")) {
433 if (linecount == 1) {
434 safestrncpy(claimed_id, buf, sizeof claimed_id);
436 if (linecount == 2) {
437 safestrncpy(username, buf, sizeof username);
446 /* If we were already logged in, this was an attempt to associate an OpenID account */
447 if (already_logged_in) {
452 /* If this operation logged us in, either by connecting with an existing account or by
453 * auto-creating one using Simple Registration Extension, we're already on our way.
455 if (!strcasecmp(result, "authenticate")) {
456 become_logged_in(username, password, logged_in_response);
459 /* The specified OpenID was verified but the desired user name was either not specified via SRI
460 * or conflicts with an existing user. Either way the user will need to specify a new name.
463 else if (!strcasecmp(result, "verify_only")) {
464 display_openid_name_request(claimed_id, username);
467 /* Did we manage to log in? If so, continue with the normal flow... */
475 display_openid_login(_("Your password was not accepted."));
482 * Display a welcome screen to the user.
484 * If this is the first time login, and the web based setup is enabled,
485 * lead the user through the setup routines
487 void do_welcome(void)
490 #ifdef XXX_NOT_FINISHED_YET_XXX
495 * See if we have to run the first-time setup wizard
500 sprintf(wizard_filename, "setupwiz.%s.%s",
502 len = strlen(wizard_filename);
503 for (i=0; i<len; ++i) {
504 if ( (wizard_filename[i]==' ')
505 || (wizard_filename[i] == '/')
507 wizard_filename[i] = '_';
511 fp = fopen(wizard_filename, "r");
513 fgets(buf, sizeof buf, fp);
514 buf[strlen(buf)-1] = 0;
516 if (atoi(buf) == serv_info.serv_rev_level) {
517 setup_wizard = 1; /**< already run */
523 http_redirect("setup_wizard");
529 * Go to the user's preferred start page
531 if (!get_preference("startpage", &Buf)) {
533 StrBufPrintf(Buf, "dotskip&room=_BASEROOM_");
534 set_preference("startpage", Buf, 1);
536 if (ChrPtr(Buf)[0] == '/') {
537 StrBufCutLeft(Buf, 1);
539 http_redirect(ChrPtr(Buf));
544 * Disconnect from the Citadel server, and end this WebCit session
546 void end_webcit_session(void) {
549 set_pref_long("current_iconbar", WC->current_iconbar, 0);
550 set_preference("floordiv_expanded", WC->floordiv_expanded, 1);
555 /* close() of citadel socket will be done by do_housekeeping() */
565 safestrncpy(WC->wc_username, "", sizeof WC->wc_username);
566 safestrncpy(WC->wc_password, "", sizeof WC->wc_password);
567 safestrncpy(WC->wc_roomname, "", sizeof WC->wc_roomname);
568 safestrncpy(WC->wc_fullname, "", sizeof WC->wc_fullname);
570 /** Calling output_headers() this way causes the cookies to be un-set */
571 output_headers(1, 1, 0, 1, 0, 0);
573 wprintf("<div id=\"logout_screen\">");
574 wprintf("<div class=\"box\">");
575 wprintf("<div class=\"boxlabel\">");
576 wprintf(_("Log off"));
577 wprintf("</div><div class=\"boxcontent\">");
578 serv_puts("MESG goodbye");
579 serv_getln(buf, sizeof buf);
581 if (WC->serv_sock >= 0) {
585 wprintf("Goodbye\n");
589 wprintf(_("This program was unable to connect or stay "
590 "connected to the Citadel server. Please report "
591 "this problem to your system administrator.")
593 wprintf("<a href=\"http://www.citadel.org/doku.php/"
594 "faq:mastering_your_os:net#netstat\">%s</a>",
598 wprintf("<hr /><div class=\"buttons\"> "
599 "<span class=\"button_link\"><a href=\".\">");
600 wprintf(_("Log in again"));
601 wprintf("</a></span> <span class=\"button_link\">"
602 "<a href=\"javascript:window.close();\">");
603 wprintf(_("Close window"));
604 wprintf("</a></span></div></div></div></div>\n");
606 end_webcit_session();
620 output_headers(1, 1, 2, 0, 0, 0);
621 wprintf("<div id=\"banner\">\n");
623 wprintf(_("Validate new users"));
627 wprintf("<div id=\"content\" class=\"service\">\n");
629 /* If the user just submitted a validation, process it... */
630 safestrncpy(buf, bstr("user"), sizeof buf);
631 if (!IsEmptyStr(buf)) {
632 if (havebstr("axlevel")) {
633 serv_printf("VALI %s|%s", buf, bstr("axlevel"));
634 serv_getln(buf, sizeof buf);
636 wprintf("<b>%s</b><br />\n", &buf[4]);
641 /* Now see if any more users require validation. */
643 serv_getln(buf, sizeof buf);
646 wprintf(_("No users require validation at this time."));
647 wprintf("</b><br />\n");
652 wprintf("<b>%s</b><br />\n", &buf[4]);
657 wprintf("<div class=\"fix_scrollbar_bug\">"
658 "<table class=\"auth_validate\"><tr><td>\n");
661 safestrncpy(user, &buf[4], sizeof user);
662 serv_printf("GREG %s", user);
663 serv_getln(cmd, sizeof cmd);
667 serv_getln(buf, sizeof buf);
670 wprintf("#%s<br /><H1>%s</H1>",
679 while (!IsEmptyStr(pch))
683 else if (isalpha(*pch))
694 pch = _("very weak");
707 wprintf("PW: %s<br />\n", pch);
710 wprintf("%s<br />\n", buf);
712 wprintf("%s<br />\n", buf);
714 wprintf("%s, ", buf);
718 wprintf("%s<br />\n", buf);
720 wprintf("%s<br />\n", buf);
722 wprintf(_("Current access level: %d (%s)\n"),
723 atoi(buf), axdefs[atoi(buf)]);
724 } while (strcmp(buf, "000"));
726 wprintf("<H1>%s</H1>%s<br />\n", user, &cmd[4]);
730 wprintf(_("Select access level for this user:"));
732 for (a = 0; a <= 6; ++a) {
733 wprintf("<a href=\"validate?nonce=%d?user=", WC->nonce);
735 wprintf("&axlevel=%d\">%s</A> \n",
740 wprintf("</CENTER>\n");
741 wprintf("</td></tr></table></div>\n");
748 * Display form for registration.
750 * (Set during_login to 1 if this registration is being performed during
751 * new user login and will require chaining to the proper screen.)
753 void display_reg(int during_login)
757 if (goto_config_room() != 0) {
758 if (during_login) do_welcome();
759 else display_main_menu();
763 vcard_msgnum = locate_user_vcard(WC->wc_fullname, -1);
764 if (vcard_msgnum < 0L) {
765 if (during_login) do_welcome();
766 else display_main_menu();
771 do_edit_vcard(vcard_msgnum, "1", "do_welcome", USERCONFIGROOM);
774 do_edit_vcard(vcard_msgnum, "1", "display_main_menu", USERCONFIGROOM);
783 * display form for changing your password
785 void display_changepw(void)
789 output_headers(1, 1, 1, 0, 0, 0);
791 svput("BOXTITLE", WCS_STRING, _("Change your password"));
792 do_template("beginbox");
794 if (!IsEmptyStr(WC->ImportantMessage)) {
795 wprintf("<span class=\"errormsg\">"
796 "%s</span><br />\n", WC->ImportantMessage);
797 safestrncpy(WC->ImportantMessage, "", sizeof WC->ImportantMessage);
800 serv_puts("MESG changepw");
801 serv_getln(buf, sizeof buf);
806 wprintf("<form name=\"changepwform\" action=\"changepw\" method=\"post\">\n");
807 wprintf("<input type=\"hidden\" name=\"nonce\" value=\"%d\">\n", WC->nonce);
808 wprintf("<table class=\"altern\" ");
809 wprintf("<tr class=\"even\"><td>");
810 wprintf(_("Enter new password:"));
811 wprintf("</td><td>");
812 wprintf("<input type=\"password\" name=\"newpass1\" value=\"\" maxlength=\"20\"></td></tr>\n");
813 wprintf("<tr class=\"odd\"><td>");
814 wprintf(_("Enter it again to confirm:"));
815 wprintf("</td><td>");
816 wprintf("<input type=\"password\" name=\"newpass2\" value=\"\" maxlength=\"20\"></td></tr>\n");
817 wprintf("</table>\n");
819 wprintf("<div class=\"buttons\">\n");
820 wprintf("<input type=\"submit\" name=\"change_action\" value=\"%s\">", _("Change password"));
822 wprintf("<input type=\"submit\" name=\"cancel_action\" value=\"%s\">\n", _("Cancel"));
824 wprintf("</form>\n");
826 do_template("endbox");
832 * if passwords match, propagate it to citserver.
837 char newpass1[32], newpass2[32];
839 if (!havebstr("change_action")) {
840 safestrncpy(WC->ImportantMessage,
841 _("Cancelled. Password was not changed."),
842 sizeof WC->ImportantMessage);
847 safestrncpy(newpass1, bstr("newpass1"), sizeof newpass1);
848 safestrncpy(newpass2, bstr("newpass2"), sizeof newpass2);
850 if (strcasecmp(newpass1, newpass2)) {
851 safestrncpy(WC->ImportantMessage,
852 _("They don't match. Password was not changed."),
853 sizeof WC->ImportantMessage);
858 if (IsEmptyStr(newpass1)) {
859 safestrncpy(WC->ImportantMessage,
860 _("Blank passwords are not allowed."),
861 sizeof WC->ImportantMessage);
866 serv_printf("SETP %s", newpass1);
867 serv_getln(buf, sizeof buf);
868 sprintf(WC->ImportantMessage, "%s", &buf[4]);
870 safestrncpy(WC->wc_password, buf, sizeof WC->wc_password);
878 void _display_openid_login(void) {display_openid_login(NULL);}
879 void _display_reg(void) {display_reg(0);}
886 WebcitAddUrlHandler(HKEY("do_welcome"), do_welcome, ANONYMOUS);
887 WebcitAddUrlHandler(HKEY("login"), do_login, ANONYMOUS);
888 WebcitAddUrlHandler(HKEY("display_openid_login"), _display_openid_login, ANONYMOUS);
889 WebcitAddUrlHandler(HKEY("openid_login"), do_openid_login, ANONYMOUS);
890 WebcitAddUrlHandler(HKEY("finalize_openid_login"), finalize_openid_login, ANONYMOUS);
891 WebcitAddUrlHandler(HKEY("openid_manual_create"), openid_manual_create, ANONYMOUS);
892 WebcitAddUrlHandler(HKEY("do_logout"), do_logout, 0);
893 WebcitAddUrlHandler(HKEY("validate"), validate, 0);
894 WebcitAddUrlHandler(HKEY("display_reg"), _display_reg, 0);
895 WebcitAddUrlHandler(HKEY("display_changepw"), display_changepw, 0);
896 WebcitAddUrlHandler(HKEY("changepw"), changepw, 0);
897 WebcitAddUrlHandler(HKEY("termquit"), do_logout, 0);