4 * WebcitAuth; Handles authentication of users to a Citadel server.
12 void display_reg(int during_login);
15 * Access level definitions. This is initialized from a function rather than a
16 * static array so that the strings may be localized.
20 void initialize_axdefs(void) {
21 axdefs[0] = _("Deleted"); /* an erased user */
22 axdefs[1] = _("New User"); /* a new user */
23 axdefs[2] = _("Problem User"); /* a trouble maker */
24 axdefs[3] = _("Local User"); /* user with normal privileges */
25 axdefs[4] = _("Network User"); /* a user that may access network resources */
26 axdefs[5] = _("Preferred User");/* a moderator */
27 axdefs[6] = _("Aide"); /* chief */
34 * Display the login screen
35 * mesg = the error message if last attempt failed.
37 void display_login(void)
40 output_headers(1, 0, 0, 0, 1, 0);
41 do_template("login", NULL);
49 * Display the openid-enabled login screen
50 * mesg = the error message if last attempt failed.
52 void display_openid_login(char *mesg)
56 output_headers(1, 1, 2, 0, 0, 0);
57 wprintf("<div id=\"login_screen\">\n");
59 if ((mesg != NULL) && (!IsEmptyStr(mesg))) {
60 stresc(buf, SIZ, mesg, 0, 0);
61 svprintf(HKEY("MESG"), WCS_STRING, "%s", buf);
64 svprintf(HKEY("LOGIN_INSTRUCTIONS"), WCS_STRING,
66 "<li>Enter your OpenID URL and click "Login"."
67 "<li><a href=\"http://www.citadel.org/doku.php/documentation:openid\">"
68 "Click here to learn what OpenID is and how Citadel is using it.</a>"
69 "<li>Please log off properly when finished. "
70 "<li>You must use a browser that supports <i>frames</i> and "
72 "<li>Also keep in mind that if your browser is "
73 "configured to block pop-up windows, you will not be able "
74 "to receive any instant messages.<br>"
78 svput("HELLO", WCS_SERVCMD, "MESG hello");
80 svprintf(HKEY("OFFER_CONVENTIONAL_LOGIN"), WCS_STRING,
81 "<div id=\"convlogin\">"
82 "<a href=\"display_login\">"
86 "Log in using a user name and password"
89 do_template("openid_login", NULL);
94 void display_openid_name_request(const StrBuf *claimed_id, const StrBuf *username)
98 output_headers(1, 1, 2, 0, 0, 0);
99 wprintf("<div id=\"login_screen\">\n");
101 Buf = NewStrBufPlain(NULL, StrLength(claimed_id));
102 StrEscAppend(Buf, claimed_id, NULL, 0, 0);
103 svprintf(HKEY("VERIFIED"), WCS_STRING, _("Your OpenID <tt>%s</tt> was successfully verified."),
105 SVPutBuf("CLAIMED_ID", Buf, 0);
108 if (StrLength(username) > 0) {
109 Buf = NewStrBufPlain(NULL, StrLength(username));
110 StrEscAppend(Buf, claimed_id, NULL, 0, 0);
111 svprintf(HKEY("REASON"), WCS_STRING,
112 _("However, the user name '%s' conflicts with an existing user."),
117 svput("REASON", WCS_STRING, "");
120 svput("ACTION_REQUESTED", WCS_STRING, _("Please specify the user name you would like to use."));
122 svput("USERNAME_BOX", WCS_STRING, _("User name:"));
123 svput("NEWUSER_BUTTON", WCS_STRING, _("New User"));
124 svput("EXIT_BUTTON", WCS_STRING, _("Exit"));
126 svprintf(HKEY("BOXTITLE"), WCS_STRING, _("%s - powered by <a href=\"http://www.citadel.org\">Citadel</a>"),
127 ChrPtr(serv_info.serv_humannode));
129 do_template("openid_manual_create", NULL);
135 /* Initialize the session
137 * This function needs to get called whenever the session changes from
138 * not-logged-in to logged-in, either by an explicit login by the user or
139 * by a timed-out session automatically re-establishing with a little help
140 * from the browser cookie. Either way, we need to load access controls and
141 * preferences from the server.
145 * serv_response The parameters returned from a Citadel USER or NEWU command
147 void become_logged_in(const StrBuf *user, const StrBuf *pass, StrBuf *serv_response)
155 if (WCC->wc_fullname == NULL)
156 WCC->wc_fullname = NewStrBufPlain(NULL, StrLength(serv_response));
157 StrBufExtract_token(WCC->wc_fullname, serv_response, 0, '|');
158 StrBufCutLeft(WCC->wc_fullname, 4 );
160 if (WCC->wc_username == NULL)
161 WCC->wc_username = NewStrBufDup(user);
163 FlushStrBuf(WCC->wc_username);
164 StrBufAppendBuf(WCC->wc_username, user, 0);
167 if (WCC->wc_password == NULL)
168 WCC->wc_password = NewStrBufDup(pass);
170 FlushStrBuf(WCC->wc_password);
171 StrBufAppendBuf(WCC->wc_password, pass, 0);
174 WCC->axlevel = StrBufExtract_int(serv_response, 1, '|');
175 if (WCC->axlevel >= 6) { /* TODO: make this a define, else it might trick us later */
182 serv_getln(buf, sizeof buf);
184 WC->new_mail = extract_int(&buf[4], 0);
185 WC->need_regi = extract_int(&buf[4], 1);
186 WC->need_vali = extract_int(&buf[4], 2);
187 extract_token(WC->cs_inet_email, &buf[4], 3, '|', sizeof WC->cs_inet_email);
190 get_preference("floordiv_expanded", &FloorDiv);
191 WC->floordiv_expanded = FloorDiv;
196 * Perform authentication using a user name and password
203 if (havebstr("language")) {
204 set_selected_language(bstr("language"));
205 go_selected_language();
208 if (havebstr("exit_action")) {
213 if (havebstr("login_action")) {
214 serv_printf("USER %s", bstr("name"));
215 StrBuf_ServGetln(Buf);
216 if (GetServerStatus(Buf, NULL) == 3) {
217 serv_printf("PASS %s", bstr("pass"));
218 StrBuf_ServGetln(Buf);
219 if (GetServerStatus(Buf, NULL) == 2) {
220 become_logged_in(sbstr("name"), sbstr("pass"), Buf);
222 snprintf(WCC->ImportantMessage,
223 sizeof (WCC->ImportantMessage),
231 snprintf(WCC->ImportantMessage,
232 sizeof (WCC->ImportantMessage),
240 if (havebstr("newuser_action")) {
241 if (!havebstr("pass")) {
242 snprintf(WCC->ImportantMessage,
243 sizeof (WCC->ImportantMessage),
245 _("Blank passwords are not allowed."));
250 serv_printf("NEWU %s", bstr("name"));
251 StrBuf_ServGetln(Buf);
252 if (GetServerStatus(Buf, NULL) == 2) {
253 become_logged_in(sbstr("name"), sbstr("pass"), Buf);
254 serv_printf("SETP %s", bstr("pass"));
255 StrBuf_ServGetln(Buf); /* Don't care? */
257 snprintf(WCC->ImportantMessage,
258 sizeof (WCC->ImportantMessage),
266 if (WCC->logged_in) {
267 set_preference("language", NewStrBufPlain(bstr("language"), -1), 1);
268 if (WCC->need_regi) {
270 } else if (WCC->need_vali) {
276 snprintf(WCC->ImportantMessage,
277 sizeof (WCC->ImportantMessage),
279 _("Your password was not accepted."));
286 * Try to create an account manually after an OpenID was verified
288 void openid_manual_create(void)
292 if (havebstr("exit_action")) {
297 if (havebstr("newuser_action")) {
299 serv_printf("OIDC %s", bstr("name"));
300 StrBuf_ServGetln(Buf);
301 if (GetServerStatus(Buf, NULL) == 2) {
305 serv_puts("SETP GENERATE_RANDOM_PASSWORD");
306 StrBuf_ServGetln(gpass);
307 StrBufCutLeft(gpass, 4);
308 become_logged_in(sbstr("name"), gpass, Buf);
317 } else if (WC->need_vali) {
323 display_openid_name_request(sbstr("openid_url"), sbstr("name"));
330 * Perform authentication using OpenID
331 * assemble the checkid_setup request and then redirect to the user's identity provider
333 void do_openid_login(void)
337 if (havebstr("language")) {
338 set_selected_language(bstr("language"));
339 go_selected_language();
342 if (havebstr("exit_action")) {
346 if (havebstr("login_action")) {
347 snprintf(buf, sizeof buf,
348 "OIDS %s|%s://%s/finalize_openid_login|%s://%s",
350 (is_https ? "https" : "http"), WC->http_host,
351 (is_https ? "https" : "http"), WC->http_host
355 serv_getln(buf, sizeof buf);
357 lprintf(CTDL_DEBUG, "OpenID server contacted; redirecting to %s\n", &buf[4]);
358 http_redirect(&buf[4]);
362 display_openid_login(&buf[4]);
367 /* If we get to this point then something failed. */
368 display_openid_login(_("Your password was not accepted."));
372 * Complete the authentication using OpenID
373 * This function handles the positive or negative assertion from the user's Identity Provider
375 void finalize_openid_login(void)
379 int already_logged_in = (WCC->logged_in) ;
381 StrBuf *result = NULL;
382 StrBuf *username = NULL;
383 StrBuf *password = NULL;
384 StrBuf *logged_in_response = NULL;
385 StrBuf *claimed_id = NULL;
387 if (havebstr("openid.mode")) {
388 if (!strcasecmp(bstr("openid.mode"), "id_res")) {
391 StrBuf_ServGetln(Buf);
392 if (GetServerStatus(Buf, NULL) == 8) {
399 Cursor = GetNewHashPos (WCC->urlstrings, 0);
400 while (GetNextHashPos(WCC->urlstrings, Cursor, &HKLen, &HKey, &U)) {
402 if (!strncasecmp(u->url_key, "openid.", 7)) {
403 serv_printf("%s|%s", &u->url_key[7], ChrPtr(u->url_data));
410 while (StrBuf_ServGetln(Buf),
411 (StrLength(Buf)==3) &&
412 !strcmp(ChrPtr(Buf), "000"))
414 if (linecount == 0) result = NewStrBufDup(Buf);
415 if (!strcasecmp(ChrPtr(result), "authenticate")) {
416 if (linecount == 1) {
417 username = NewStrBufDup(Buf);
419 else if (linecount == 2) {
420 password = NewStrBufDup(Buf);
422 else if (linecount == 3) {
423 logged_in_response = NewStrBufDup(Buf);
426 else if (!strcasecmp(ChrPtr(result), "verify_only")) {
427 if (linecount == 1) {
428 claimed_id = NewStrBufDup(Buf);
430 if (linecount == 2) {
431 username = NewStrBufDup(Buf);
441 /* If we were already logged in, this was an attempt to associate an OpenID account */
442 if (already_logged_in) {
445 FreeStrBuf(&username);
446 FreeStrBuf(&password);
447 FreeStrBuf(&claimed_id);
448 FreeStrBuf(&logged_in_response);
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(ChrPtr(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(ChrPtr(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."));
479 FreeStrBuf(&username);
480 FreeStrBuf(&password);
481 FreeStrBuf(&claimed_id);
482 FreeStrBuf(&logged_in_response);
487 * Display a welcome screen to the user.
489 * If this is the first time login, and the web based setup is enabled,
490 * lead the user through the setup routines
492 void do_welcome(void)
495 #ifdef XXX_NOT_FINISHED_YET_XXX
500 * See if we have to run the first-time setup wizard
505 sprintf(wizard_filename, "setupwiz.%s.%s",
507 len = strlen(wizard_filename);
508 for (i=0; i<len; ++i) {
509 if ( (wizard_filename[i]==' ')
510 || (wizard_filename[i] == '/')
512 wizard_filename[i] = '_';
516 fp = fopen(wizard_filename, "r");
518 fgets(buf, sizeof buf, fp);
519 buf[strlen(buf)-1] = 0;
521 if (atoi(buf) == serv_info.serv_rev_level) {
522 setup_wizard = 1; /**< already run */
528 http_redirect("setup_wizard");
534 * Go to the user's preferred start page
536 if (!get_preference("startpage", &Buf)) {
538 StrBufPrintf(Buf, "dotskip&room=_BASEROOM_");
539 set_preference("startpage", Buf, 1);
541 if (ChrPtr(Buf)[0] == '/') {
542 StrBufCutLeft(Buf, 1);
544 if (StrLength(Buf) == 0)
545 StrBufAppendBufPlain(Buf, "dotgoto?room=_BASEROOM_", -1, 0);
546 http_redirect(ChrPtr(Buf));
551 * Disconnect from the Citadel server, and end this WebCit session
553 void end_webcit_session(void) {
557 /* close() of citadel socket will be done by do_housekeeping() */
567 FlushStrBuf(WC->wc_username);
568 FlushStrBuf(WC->wc_password);
569 FlushStrBuf(WC->wc_roomname);
570 FlushStrBuf(WC->wc_fullname);
572 /** Calling output_headers() this way causes the cookies to be un-set */
573 output_headers(1, 1, 0, 1, 0, 0);
575 wprintf("<div id=\"logout_screen\">");
576 wprintf("<div class=\"box\">");
577 wprintf("<div class=\"boxlabel\">");
578 wprintf(_("Log off"));
579 wprintf("</div><div class=\"boxcontent\">");
580 serv_puts("MESG goodbye");
581 serv_getln(buf, sizeof buf);
583 if (WC->serv_sock >= 0) {
587 wprintf("Goodbye\n");
591 wprintf(_("This program was unable to connect or stay "
592 "connected to the Citadel server. Please report "
593 "this problem to your system administrator.")
595 wprintf("<a href=\"http://www.citadel.org/doku.php/"
596 "faq:mastering_your_os:net#netstat\">%s</a>",
600 wprintf("<hr /><div class=\"buttons\"> "
601 "<span class=\"button_link\"><a href=\".\">");
602 wprintf(_("Log in again"));
603 wprintf("</a></span> <span class=\"button_link\">"
604 "<a href=\"javascript:window.close();\">");
605 wprintf(_("Close window"));
606 wprintf("</a></span></div></div></div></div>\n");
608 end_webcit_session();
622 output_headers(1, 1, 2, 0, 0, 0);
623 wprintf("<div id=\"banner\">\n");
625 wprintf(_("Validate new users"));
629 wprintf("<div id=\"content\" class=\"service\">\n");
631 /* If the user just submitted a validation, process it... */
632 safestrncpy(buf, bstr("user"), sizeof buf);
633 if (!IsEmptyStr(buf)) {
634 if (havebstr("axlevel")) {
635 serv_printf("VALI %s|%s", buf, bstr("axlevel"));
636 serv_getln(buf, sizeof buf);
638 wprintf("<b>%s</b><br>\n", &buf[4]);
643 /* Now see if any more users require validation. */
645 serv_getln(buf, sizeof buf);
648 wprintf(_("No users require validation at this time."));
649 wprintf("</b><br>\n");
654 wprintf("<b>%s</b><br>\n", &buf[4]);
659 wprintf("<div class=\"fix_scrollbar_bug\">"
660 "<table class=\"auth_validate\"><tr><td>\n");
661 wprintf("<div id=\"validate\">");
663 safestrncpy(user, &buf[4], sizeof user);
664 serv_printf("GREG %s", user);
665 serv_getln(cmd, sizeof cmd);
669 serv_getln(buf, sizeof buf);
672 wprintf("#%s<br><H1>%s</H1>",
681 while (!IsEmptyStr(pch))
685 else if (isalpha(*pch))
696 pch = _("very weak");
709 wprintf("PW: %s<br>\n", pch);
712 wprintf("%s<br>\n", buf);
714 wprintf("%s<br>\n", buf);
716 wprintf("%s, ", buf);
720 wprintf("%s<br>\n", buf);
722 wprintf("%s<br>\n", buf);
724 wprintf(_("Current access level: %d (%s)\n"),
725 atoi(buf), axdefs[atoi(buf)]);
726 } while (strcmp(buf, "000"));
728 wprintf("<H1>%s</H1>%s<br />\n", user, &cmd[4]);
732 wprintf(_("Select access level for this user:"));
734 for (a = 0; a <= 6; ++a) {
735 wprintf("<a href=\"validate?nonce=%d?user=", WC->nonce);
737 wprintf("&axlevel=%d\">%s</A> \n",
743 wprintf("</td></tr></table></div>\n");
750 * Display form for registration.
752 * (Set during_login to 1 if this registration is being performed during
753 * new user login and will require chaining to the proper screen.)
755 void display_reg(int during_login)
759 if (goto_config_room() != 0) {
760 if (during_login) do_welcome();
761 else display_main_menu();
765 vcard_msgnum = locate_user_vcard_in_this_room();
766 if (vcard_msgnum < 0L) {
767 if (during_login) do_welcome();
768 else display_main_menu();
773 do_edit_vcard(vcard_msgnum, "1", "do_welcome", USERCONFIGROOM);
776 do_edit_vcard(vcard_msgnum, "1", "display_main_menu", USERCONFIGROOM);
785 * display form for changing your password
787 void display_changepw(void)
789 WCTemplputParams SubTP;
792 output_headers(1, 1, 1, 0, 0, 0);
794 Buf = NewStrBufPlain(_("Change your password"), -1);
795 memset(&SubTP, 0, sizeof(WCTemplputParams));
796 SubTP.ContextType = CTX_STRBUF;
798 DoTemplate(HKEY("beginbox"), NULL, &SubTP);
802 if (!IsEmptyStr(WC->ImportantMessage)) {
803 wprintf("<span class=\"errormsg\">"
804 "%s</span><br />\n", WC->ImportantMessage);
805 safestrncpy(WC->ImportantMessage, "", sizeof WC->ImportantMessage);
808 serv_puts("MESG changepw");
809 serv_getln(buf, sizeof buf);
814 wprintf("<form name=\"changepwform\" action=\"changepw\" method=\"post\">\n");
815 wprintf("<input type=\"hidden\" name=\"nonce\" value=\"%d\">\n", WC->nonce);
816 wprintf("<table class=\"altern\" ");
817 wprintf("<tr class=\"even\"><td>");
818 wprintf(_("Enter new password:"));
819 wprintf("</td><td>");
820 wprintf("<input type=\"password\" name=\"newpass1\" value=\"\" maxlength=\"20\"></td></tr>\n");
821 wprintf("<tr class=\"odd\"><td>");
822 wprintf(_("Enter it again to confirm:"));
823 wprintf("</td><td>");
824 wprintf("<input type=\"password\" name=\"newpass2\" value=\"\" maxlength=\"20\"></td></tr>\n");
825 wprintf("</table>\n");
827 wprintf("<div class=\"buttons\">\n");
828 wprintf("<input type=\"submit\" name=\"change_action\" value=\"%s\">", _("Change password"));
830 wprintf("<input type=\"submit\" name=\"cancel_action\" value=\"%s\">\n", _("Cancel"));
832 wprintf("</form>\n");
834 do_template("endbox", NULL);
840 * if passwords match, propagate it to citserver.
845 char newpass1[32], newpass2[32];
847 if (!havebstr("change_action")) {
848 safestrncpy(WC->ImportantMessage,
849 _("Cancelled. Password was not changed."),
850 sizeof WC->ImportantMessage);
855 safestrncpy(newpass1, bstr("newpass1"), sizeof newpass1);
856 safestrncpy(newpass2, bstr("newpass2"), sizeof newpass2);
858 if (strcasecmp(newpass1, newpass2)) {
859 safestrncpy(WC->ImportantMessage,
860 _("They don't match. Password was not changed."),
861 sizeof WC->ImportantMessage);
866 if (IsEmptyStr(newpass1)) {
867 safestrncpy(WC->ImportantMessage,
868 _("Blank passwords are not allowed."),
869 sizeof WC->ImportantMessage);
874 serv_printf("SETP %s", newpass1);
875 serv_getln(buf, sizeof buf);
876 sprintf(WC->ImportantMessage, "%s", &buf[4]);
878 if (WC->wc_password == NULL)
879 WC->wc_password = NewStrBufPlain(buf, -1);
881 FlushStrBuf(WC->wc_password);
882 StrBufAppendBufPlain(WC->wc_password, buf, -1, 0);
891 int ConditionalAide(StrBuf *Target, WCTemplputParams *TP)
893 return (WC->is_aide == 0);
896 int ConditionalRoomAide(StrBuf *Target, WCTemplputParams *TP)
898 return (WC->is_room_aide == 0);
901 int ConditionalIsLoggedIn(StrBuf *Target, WCTemplputParams *TP) {
902 return (WC->logged_in == 0);
904 int ConditionalRoomAcessDelete(StrBuf *Target, WCTemplputParams *TP)
907 return ( (WCC->is_room_aide) || (WCC->is_mailbox) || (WCC->room_flags2 & QR2_COLLABDEL) );
912 void _display_openid_login(void) {display_openid_login(NULL);}
913 void _display_reg(void) {display_reg(0);}
920 WebcitAddUrlHandler(HKEY("do_welcome"), do_welcome, ANONYMOUS);
921 WebcitAddUrlHandler(HKEY("login"), do_login, ANONYMOUS);
922 WebcitAddUrlHandler(HKEY("display_openid_login"), _display_openid_login, ANONYMOUS);
923 WebcitAddUrlHandler(HKEY("openid_login"), do_openid_login, ANONYMOUS);
924 WebcitAddUrlHandler(HKEY("finalize_openid_login"), finalize_openid_login, ANONYMOUS);
925 WebcitAddUrlHandler(HKEY("openid_manual_create"), openid_manual_create, ANONYMOUS);
926 WebcitAddUrlHandler(HKEY("do_logout"), do_logout, 0);
927 WebcitAddUrlHandler(HKEY("validate"), validate, 0);
928 WebcitAddUrlHandler(HKEY("display_reg"), _display_reg, 0);
929 WebcitAddUrlHandler(HKEY("display_changepw"), display_changepw, 0);
930 WebcitAddUrlHandler(HKEY("changepw"), changepw, 0);
931 WebcitAddUrlHandler(HKEY("termquit"), do_logout, 0);
933 RegisterConditional(HKEY("COND:AIDE"), 2, ConditionalAide, CTX_NONE);
934 RegisterConditional(HKEY("COND:ROOMAIDE"), 2, ConditionalRoomAide, CTX_NONE);
935 RegisterConditional(HKEY("COND:ACCESS:DELETE"), 2, ConditionalRoomAcessDelete, CTX_NONE);
936 RegisterConditional(HKEY("COND:LOGGEDIN"), 2, ConditionalIsLoggedIn, CTX_NONE);