Removed logging subsystem from webcit. It's all syslog now.
[citadel.git] / webcit / auth.c
index b9e28faf3513db6e7cb03830012e193a89396044..74ab667385cfdce1ada3dd4a30330839a6d54544 100644 (file)
@@ -1,13 +1,28 @@
 /*
- * $Id$
+ * These functions handle authentication of users to a Citadel server.
  *
- * WebcitAuth; Handles authentication of users to a Citadel server.
+ * Copyright (c) 1996-2011 by the citadel.org team
+ *
+ * This program is open source software.  You can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  */
 
 #include "webcit.h"
 #include "webserver.h"
 #include <ctype.h>
 
+extern uint32_t hashlittle( const void *key, size_t length, uint32_t initval);
 
 void display_reg(int during_login);
 
@@ -18,15 +33,28 @@ void display_reg(int during_login);
 char *axdefs[7]; 
 
 void initialize_axdefs(void) {
-       axdefs[0] = _("Deleted");       /* an erased user */
-       axdefs[1] = _("New User");      /* a new user */
-       axdefs[2] = _("Problem User");  /* a trouble maker */
-       axdefs[3] = _("Local User");    /* user with normal privileges */
-       axdefs[4] = _("Network User");  /* a user that may access network resources */
-       axdefs[5] = _("Preferred User");/* a moderator */
-       axdefs[6] = _("Aide");          /* chief */
-}
 
+       /* an erased user */
+       axdefs[0] = _("Deleted");       
+
+       /* a new user */
+       axdefs[1] = _("New User");      
+
+       /* a trouble maker */
+       axdefs[2] = _("Problem User");  
+
+       /* user with normal privileges */
+       axdefs[3] = _("Local User");    
+
+       /* a user that may access network resources */
+       axdefs[4] = _("Network User");  
+
+       /* a moderator */
+       axdefs[5] = _("Preferred User");
+
+       /* chief */
+       axdefs[6] = _("Aide");          
+}
 
 
 
@@ -45,59 +73,6 @@ void display_login(void)
 
 
 
-/* 
- * Display the openid-enabled login screen
- * mesg = the error message if last attempt failed.
- */
-void display_openid_login(char *mesg)
-{
-  begin_burst();
-  output_headers(1, 0, 0, 0, 1, 0);
-  do_template("openid_login", NULL);
-  end_burst();
-}
-
-
-void display_openid_name_request(const StrBuf *claimed_id, const StrBuf *username) 
-{
-       StrBuf *Buf = NULL;
-
-       output_headers(1, 1, 2, 0, 0, 0);
-       wprintf("<div id=\"login_screen\">\n");
-
-       Buf = NewStrBufPlain(NULL, StrLength(claimed_id));
-       StrEscAppend(Buf, claimed_id, NULL, 0, 0);
-       svprintf(HKEY("VERIFIED"), WCS_STRING, _("Your OpenID <tt>%s</tt> was successfully verified."),
-                ChrPtr(Buf));
-       SVPutBuf("CLAIMED_ID", Buf, 0);
-
-
-       if (StrLength(username) > 0) {
-                       Buf = NewStrBufPlain(NULL, StrLength(username));
-                       StrEscAppend(Buf, claimed_id, NULL, 0, 0);
-                       svprintf(HKEY("REASON"), WCS_STRING,
-                                _("However, the user name '%s' conflicts with an existing user."), 
-                                ChrPtr(Buf));
-                       FreeStrBuf(&Buf);
-       }
-       else {
-               svput("REASON", WCS_STRING, "");
-       }
-
-       svput("ACTION_REQUESTED", WCS_STRING, _("Please specify the user name you would like to use."));
-
-       svput("USERNAME_BOX", WCS_STRING, _("User name:"));
-       svput("NEWUSER_BUTTON", WCS_STRING, _("New User"));
-       svput("EXIT_BUTTON", WCS_STRING, _("Exit"));
-
-       svprintf(HKEY("BOXTITLE"), WCS_STRING, _("%s - powered by <a href=\"http://www.citadel.org\">Citadel</a>"),
-                ChrPtr(WC->serv_info->serv_humannode));
-
-       do_template("openid_manual_create", NULL);
-       wDumpContent(2);
-}
-
-
 
 /* Initialize the session
  *
@@ -116,7 +91,6 @@ void become_logged_in(const StrBuf *user, const StrBuf *pass, StrBuf *serv_respo
        wcsession *WCC = WC;
        StrBuf *Buf;
        StrBuf *FloorDiv;
-       StrBuf *Language = NULL;
 
        WCC->logged_in = 1;
 
@@ -153,22 +127,13 @@ void become_logged_in(const StrBuf *user, const StrBuf *pass, StrBuf *serv_respo
                const char *pch;
 
                pch = ChrPtr(Buf) + 4;
-               WCC->new_mail  = StrBufExtractNext_long(Buf, &pch, '|');
+               /*WCC->new_mail  =*/ StrBufExtractNext_long(Buf, &pch, '|');
                WCC->need_regi = StrBufExtractNext_long(Buf, &pch, '|');
                WCC->need_vali = StrBufExtractNext_long(Buf, &pch, '|');
                if (WCC->cs_inet_email == NULL)
                        WCC->cs_inet_email  = NewStrBuf();
                StrBufExtract_NextToken(WCC->cs_inet_email, Buf, &pch, '|');
        }
-       if (havebstr("language"))
-               set_preference("language", NewStrBufDup(SBSTR("language")), 1);
-       else {
-               get_preference("language", &Language);
-               if (Language != NULL) {
-                       set_selected_language(ChrPtr(Language));
-                       go_selected_language();         /* set locale */
-               }
-       }
        get_preference("floordiv_expanded", &FloorDiv);
        WCC->floordiv_expanded = FloorDiv;
        FreeStrBuf(&Buf);
@@ -182,6 +147,7 @@ void do_login(void)
 {
        wcsession *WCC = WC;
        StrBuf *Buf;
+       long ret, rc;
 
        if (havebstr("language")) {
                set_selected_language(bstr("language"));
@@ -196,25 +162,31 @@ void do_login(void)
        if (havebstr("login_action")) {
                serv_printf("USER %s", bstr("name"));
                StrBuf_ServGetln(Buf);
-               if (GetServerStatus(Buf, NULL) == 3) {
+               rc = GetServerStatus(Buf, &ret);
+               StrBufCutLeft(Buf, 4);
+               switch (rc) {
+               case 3:
                        serv_printf("PASS %s", bstr("pass"));
                        StrBuf_ServGetln(Buf);
                        if (GetServerStatus(Buf, NULL) == 2) {
                                become_logged_in(sbstr("name"), sbstr("pass"), Buf);
                        } else {
-                               snprintf(WCC->ImportantMessage, 
-                                        sizeof (WCC->ImportantMessage), 
-                                        "%s", 
-                                        &(ChrPtr(Buf))[4]);
+                               StrBufCutLeft(Buf, 4);
+                               AppendImportantMessage(SKEY(Buf));
                                display_login();
                                FreeStrBuf(&Buf);
                                return;
                        }
-               } else {
-                       snprintf(WCC->ImportantMessage, 
-                                sizeof (WCC->ImportantMessage), 
-                                "%s", 
-                                &(ChrPtr(Buf))[4]);
+                       break;
+               case 5:
+                       if (ret == 541)
+                       {
+                               AppendImportantMessage(SKEY(Buf));
+                               display_main_menu();
+                               return;
+                       }
+               default:
+                       AppendImportantMessage(SKEY(Buf));
                        display_login();
                        FreeStrBuf(&Buf);
                        return;
@@ -222,10 +194,7 @@ void do_login(void)
        }
        if (havebstr("newuser_action")) {
                if (!havebstr("pass")) {
-                       snprintf(WCC->ImportantMessage, 
-                                sizeof (WCC->ImportantMessage), 
-                                "%s", 
-                                _("Blank passwords are not allowed."));
+                       AppendImportantMessage(_("Blank passwords are not allowed."), -1);
                        display_login();
                        FreeStrBuf(&Buf);
                        return;
@@ -237,10 +206,8 @@ void do_login(void)
                        serv_printf("SETP %s", bstr("pass"));
                        StrBuf_ServGetln(Buf); /* Don't care? */
                } else {
-                       snprintf(WCC->ImportantMessage, 
-                                sizeof (WCC->ImportantMessage), 
-                                "%s", 
-                                &(ChrPtr(Buf))[4]);
+                       StrBufCutLeft(Buf, 4);
+                       AppendImportantMessage(SKEY(Buf));
                        display_login();
                        FreeStrBuf(&Buf);
                        return;
@@ -255,15 +222,37 @@ void do_login(void)
                        do_welcome();
                }
        } else {
-               snprintf(WCC->ImportantMessage, 
-                        sizeof (WCC->ImportantMessage), 
-                        "%s", 
-                        _("Your password was not accepted."));
+               AppendImportantMessage(_("Your password was not accepted."), -1);
                display_login();
        }
        FreeStrBuf(&Buf);
 }
 
+
+
+/* 
+ * modal/ajax version of 'login' (username and password)
+ */
+void ajax_login_username_password(void) {
+       StrBuf *Buf = NewStrBuf();
+
+       serv_printf("USER %s", bstr("name"));
+       StrBuf_ServGetln(Buf);
+       if (GetServerStatus(Buf, NULL) == 3) {
+               serv_printf("PASS %s", bstr("pass"));
+               StrBuf_ServGetln(Buf);
+               if (GetServerStatus(Buf, NULL) == 2) {
+                       become_logged_in(sbstr("name"), sbstr("pass"), Buf);
+               }
+       }
+
+       /* The client is expecting to read back a citadel protocol response */
+       wc_printf("%s", ChrPtr(Buf));
+       FreeStrBuf(&Buf);
+}
+
+
+
 /* 
  * Try to create an account manually after an OpenID was verified
  */
@@ -302,7 +291,15 @@ void openid_manual_create(void)
                        do_welcome();
                }
        } else {
-               display_openid_name_request(sbstr("openid_url"), sbstr("name"));
+               const StrBuf *Buf;
+
+               putbstr("__claimed_id", NewStrBufDup(sbstr("openid_url")));
+               Buf = sbstr("name");
+               if (StrLength(Buf) > 0)
+                       putbstr("__username", NewStrBufDup(Buf));
+               begin_burst();
+               do_template("openid_manual_create", NULL);
+               end_burst();
        }
 
 }
@@ -314,7 +311,6 @@ void openid_manual_create(void)
  */
 void do_openid_login(void)
 {
-       wcsession *WCC = WC;
        char buf[4096];
 
        if (havebstr("language")) {
@@ -328,27 +324,27 @@ void do_openid_login(void)
        }
        if (havebstr("login_action")) {
                snprintf(buf, sizeof buf,
-                       "OIDS %s|%s://%s/finalize_openid_login|%s://%s",
+                       "OIDS %s|%s/finalize_openid_login|%s",
                        bstr("openid_url"),
-                        (is_https ? "https" : "http"), ChrPtr(WCC->http_host),
-                        (is_https ? "https" : "http"), ChrPtr(WCC->http_host)
+                       ChrPtr(site_prefix),
+                       ChrPtr(site_prefix)
                );
 
                serv_puts(buf);
                serv_getln(buf, sizeof buf);
                if (buf[0] == '2') {
-                       lprintf(CTDL_DEBUG, "OpenID server contacted; redirecting to %s\n", &buf[4]);
+                       syslog(LOG_DEBUG, "OpenID server contacted; redirecting to %s\n", &buf[4]);
                        http_redirect(&buf[4]);
                        return;
                }
                else {
-                       display_openid_login(&buf[4]);
+                       display_login();
                        return;
                }
        }
 
        /* If we get to this point then something failed. */
-       display_openid_login(_("Your password was not accepted."));
+       display_login();
 }
 
 /* 
@@ -379,8 +375,8 @@ void finalize_openid_login(void)
                                const char *HKey;
                                HashPos *Cursor;
                                
-                               Cursor = GetNewHashPos (WCC->urlstrings, 0);
-                               while (GetNextHashPos(WCC->urlstrings, Cursor, &HKLen, &HKey, &U)) {
+                               Cursor = GetNewHashPos (WCC->Hdr->urlstrings, 0);
+                               while (GetNextHashPos(WCC->Hdr->urlstrings, Cursor, &HKLen, &HKey, &U)) {
                                        u = (urlcontent*) U;
                                        if (!strncasecmp(u->url_key, "openid.", 7)) {
                                                serv_printf("%s|%s", &u->url_key[7], ChrPtr(u->url_data));
@@ -442,18 +438,26 @@ void finalize_openid_login(void)
         */
 
        else if (!strcasecmp(ChrPtr(result), "verify_only")) {
-               display_openid_name_request(claimed_id, username);
+               putbstr("__claimed_id", claimed_id);
+               claimed_id = NULL;
+               if (StrLength(username) > 0) {
+                       putbstr("__username", username);
+                       username = NULL;
+               }
+               begin_burst();
+               do_template("openid_manual_create", NULL);
+               end_burst();
        }
 
        /* Did we manage to log in?  If so, continue with the normal flow... */
-       if (WC->logged_in) {
+       else if (WC->logged_in) {
                if (WC->need_regi) {
                        display_reg(1);
                } else {
                        do_welcome();
                }
        } else {
-               display_openid_login(_("Your password was not accepted."));
+               display_login();
        }
 
        FreeStrBuf(&result);
@@ -516,14 +520,16 @@ void do_welcome(void)
         */
        if (!get_preference("startpage", &Buf)) {
                Buf = NewStrBuf ();
-               StrBufPrintf(Buf, "dotskip&room=_BASEROOM_");
+               StrBufPrintf(Buf, "dotskip?room=_BASEROOM_");
                set_preference("startpage", Buf, 1);
        }
        if (ChrPtr(Buf)[0] == '/') {
                StrBufCutLeft(Buf, 1);
        }
-       if (StrLength(Buf) == 0)
+       if (StrLength(Buf) == 0) {
                StrBufAppendBufPlain(Buf, "dotgoto?room=_BASEROOM_", -1, 0);
+       }
+       syslog(9, "Redirecting to user's start page: %s\n", ChrPtr(Buf));
        http_redirect(ChrPtr(Buf));
 }
 
@@ -548,56 +554,52 @@ void do_logout(void)
 
        FlushStrBuf(WCC->wc_username);
        FlushStrBuf(WCC->wc_password);
-       FlushStrBuf(WCC->wc_roomname);
        FlushStrBuf(WCC->wc_fullname);
 
-       /* FIXME: this is to suppress the iconbar displaying, because we aren't
-          actually logged out yet */
+       serv_puts("LOUT");
+       serv_getln(buf, sizeof buf);
        WCC->logged_in = 0;
-       
-       /** Calling output_headers() this way causes the cookies to be un-set */
+
+       if (WC->serv_info->serv_supports_guest) {
+               display_default_landing_page();
+               return;
+       }
+
+       FlushStrBuf(WCC->CurRoom.name);
+
+       /* Calling output_headers() this way causes the cookies to be un-set */
        output_headers(1, 1, 0, 1, 0, 0);
 
-       wprintf("<div id=\"logout_screen\">");
-        wprintf("<div class=\"box\">");
-        wprintf("<div class=\"boxlabel\">");
-       wprintf(_("Log off"));
-        wprintf("</div><div class=\"boxcontent\">");   
+       wc_printf("<div id=\"logout_screen\">");
+        wc_printf("<div class=\"box\">");
+        wc_printf("<div class=\"boxlabel\">");
+       wc_printf(_("Log off"));
+        wc_printf("</div><div class=\"boxcontent\">");
        serv_puts("MESG goodbye");
        serv_getln(buf, sizeof buf);
 
        if (WCC->serv_sock >= 0) {
                if (buf[0] == '1') {
-                       fmout("CENTER");
+                       fmout("'CENTER'");
                } else {
-                       wprintf("Goodbye\n");
+                       wc_printf("Goodbye\n");
                }
        }
        else {
-               wprintf(_("This program was unable to connect or stay "
+               wc_printf(_("This program was unable to connect or stay "
                        "connected to the Citadel server.  Please report "
                        "this problem to your system administrator.")
                );
-               wprintf("<a href=\"http://www.citadel.org/doku.php/"
-                       "faq:mastering_your_os:net#netstat\">%s</a>", 
+               wc_printf("<a href=\"http://www.citadel.org/doku.php/"
+                       "faq:mastering_your_os:net#netstat\">%s</a>",
                        _("Read More..."));
        }
 
-       wprintf("<hr /><div class=\"buttons\"> "
+       wc_printf("<hr /><div class=\"buttons\"> "
                "<span class=\"button_link\"><a href=\".\">");
-       wprintf(_("Log in again"));
-       wprintf("</a></span>");
-
-       /* The "close window" link is commented out because some browsers don't
-        * allow it to work.
-        *
-       wprintf("&nbsp;&nbsp;&nbsp;<span class=\"button_link\">"
-               "<a href=\"javascript:window.close();\">");
-       wprintf(_("Close window"));
-       wprintf("</a></span>");
-        */
-
-       wprintf("</div></div></div></div>\n");
+       wc_printf(_("Log in again"));
+       wc_printf("</a></span>");
+       wc_printf("</div></div></div>\n");
        wDumpContent(2);
        end_webcit_session();
 }
@@ -614,13 +616,13 @@ void validate(void)
        int a;
 
        output_headers(1, 1, 2, 0, 0, 0);
-       wprintf("<div id=\"banner\">\n");
-       wprintf("<h1>");
-       wprintf(_("Validate new users"));
-       wprintf("</h1>");
-       wprintf("</div>\n");
+       wc_printf("<div id=\"banner\">\n");
+       wc_printf("<h1>");
+       wc_printf(_("Validate new users"));
+       wc_printf("</h1>");
+       wc_printf("</div>\n");
 
-       wprintf("<div id=\"content\" class=\"service\">\n");
+       wc_printf("<div id=\"content\" class=\"service\">\n");
 
        /* If the user just submitted a validation, process it... */
        safestrncpy(buf, bstr("user"), sizeof buf);
@@ -629,7 +631,7 @@ void validate(void)
                        serv_printf("VALI %s|%s", buf, bstr("axlevel"));
                        serv_getln(buf, sizeof buf);
                        if (buf[0] != '2') {
-                               wprintf("<b>%s</b><br>\n", &buf[4]);
+                               wc_printf("<b>%s</b><br>\n", &buf[4]);
                        }
                }
        }
@@ -638,21 +640,20 @@ void validate(void)
        serv_puts("GNUR");
        serv_getln(buf, sizeof buf);
        if (buf[0] == '2') {
-               wprintf("<b>");
-               wprintf(_("No users require validation at this time."));
-               wprintf("</b><br>\n");
+               wc_printf("<b>");
+               wc_printf(_("No users require validation at this time."));
+               wc_printf("</b><br>\n");
                wDumpContent(1);
                return;
        }
        if (buf[0] != '3') {
-               wprintf("<b>%s</b><br>\n", &buf[4]);
+               wc_printf("<b>%s</b><br>\n", &buf[4]);
                wDumpContent(1);
                return;
        }
 
-       wprintf("<div class=\"fix_scrollbar_bug\">"
-               "<table class=\"auth_validate\"><tr><td>\n");
-       wprintf("<div id=\"validate\">");
+       wc_printf("<table class=\"auth_validate\"><tr><td>\n");
+       wc_printf("<div id=\"validate\">");
 
        safestrncpy(user, &buf[4], sizeof user);
        serv_printf("GREG %s", user);
@@ -663,7 +664,7 @@ void validate(void)
                        serv_getln(buf, sizeof buf);
                        ++a;
                        if (a == 1)
-                               wprintf("#%s<br><H1>%s</H1>",
+                               wc_printf("#%s<br><H1>%s</H1>",
                                        buf, &cmd[4]);
                        if (a == 2) {
                                char *pch;
@@ -700,41 +701,41 @@ void validate(void)
                                        pch = _("strong");
                                }
 
-                               wprintf("PW: %s<br>\n", pch);
+                               wc_printf("PW: %s<br>\n", pch);
                        }
                        if (a == 3)
-                               wprintf("%s<br>\n", buf);
+                               wc_printf("%s<br>\n", buf);
                        if (a == 4)
-                               wprintf("%s<br>\n", buf);
+                               wc_printf("%s<br>\n", buf);
                        if (a == 5)
-                               wprintf("%s, ", buf);
+                               wc_printf("%s, ", buf);
                        if (a == 6)
-                               wprintf("%s ", buf);
+                               wc_printf("%s ", buf);
                        if (a == 7)
-                               wprintf("%s<br>\n", buf);
+                               wc_printf("%s<br>\n", buf);
                        if (a == 8)
-                               wprintf("%s<br>\n", buf);
+                               wc_printf("%s<br>\n", buf);
                        if (a == 9)
-                               wprintf(_("Current access level: %d (%s)\n"),
+                               wc_printf(_("Current access level: %d (%s)\n"),
                                        atoi(buf), axdefs[atoi(buf)]);
                } while (strcmp(buf, "000"));
        } else {
-               wprintf("<H1>%s</H1>%s<br />\n", user, &cmd[4]);
+               wc_printf("<H1>%s</H1>%s<br>\n", user, &cmd[4]);
        }
 
-       wprintf("<hr />");
-       wprintf(_("Select access level for this user:"));
-       wprintf("<br />\n");
+       wc_printf("<hr />");
+       wc_printf(_("Select access level for this user:"));
+       wc_printf("<br>\n");
        for (a = 0; a <= 6; ++a) {
-               wprintf("<a href=\"validate?nonce=%d?user=", WC->nonce);
+               wc_printf("<a href=\"validate?nonce=%d?user=", WC->nonce);
                urlescputs(user);
-               wprintf("&axlevel=%d\">%s</A>&nbsp;&nbsp;&nbsp;\n",
+               wc_printf("&axlevel=%d\">%s</A>&nbsp;&nbsp;&nbsp;\n",
                        a, axdefs[a]);
        }
-       wprintf("<br />\n");
+       wc_printf("<br>\n");
 
-       wprintf("</div>\n");
-       wprintf("</td></tr></table></div>\n");
+       wc_printf("</div>\n");
+       wc_printf("</td></tr></table>\n");
        wDumpContent(1);
 }
 
@@ -748,24 +749,38 @@ void validate(void)
  */
 void display_reg(int during_login)
 {
+       folder Room;
        StrBuf *Buf;
-       message_summary *VCMsg;
-       wc_mime_attachment *VCAtt;
+       message_summary *VCMsg = NULL;
+       wc_mime_attachment *VCAtt = NULL;
        long vcard_msgnum;
 
        Buf = NewStrBuf();
-       if (goto_config_room(Buf) != 0) {
-               if (during_login) do_welcome();
-               else display_main_menu();
+       memset(&Room, 0, sizeof(folder));
+       if (goto_config_room(Buf, &Room) != 0) {
+               syslog(9, "display_reg() exiting because goto_config_room() failed\n");
+               if (during_login) {
+                       do_welcome();
+               }
+               else {
+                       display_main_menu();
+               }
                FreeStrBuf(&Buf);
+               FlushFolder(&Room);             
                return;
        }
+       FlushFolder(&Room);
 
        FreeStrBuf(&Buf);
        vcard_msgnum = locate_user_vcard_in_this_room(&VCMsg, &VCAtt);
        if (vcard_msgnum < 0L) {
-               if (during_login) do_welcome();
-               else display_main_menu();
+               syslog(9, "display_reg() exiting because locate_user_vcard_in_this_room() failed\n");
+               if (during_login) {
+                       do_welcome();
+               }
+               else {
+                       display_main_menu();
+               }
                return;
        }
 
@@ -773,9 +788,14 @@ void display_reg(int during_login)
                do_edit_vcard(vcard_msgnum, "1", VCMsg, VCAtt, "do_welcome", USERCONFIGROOM);
        }
        else {
-               do_edit_vcard(vcard_msgnum, "1", VCMsg, VCAtt, "display_main_menu", USERCONFIGROOM);
+               StrBuf *ReturnTo;
+               ReturnTo = NewStrBufPlain(HKEY("display_main_menu?go="));
+               StrBufAppendBuf(ReturnTo, WC->CurRoom.name, 0);
+               do_edit_vcard(vcard_msgnum, "1", VCMsg, VCAtt, ChrPtr(ReturnTo), USERCONFIGROOM);
+               FreeStrBuf(&ReturnTo);
        }
 
+       /* FIXME - don't we have to free VCMsg and VCAtt ?? */
 }
 
 
@@ -800,8 +820,8 @@ void display_changepw(void)
        FreeStrBuf(&Buf);
 
        if (!IsEmptyStr(WC->ImportantMessage)) {
-               wprintf("<span class=\"errormsg\">"
-                       "%s</span><br />\n", WC->ImportantMessage);
+               wc_printf("<span class=\"errormsg\">"
+                       "%s</span><br>\n", WC->ImportantMessage);
                safestrncpy(WC->ImportantMessage, "", sizeof WC->ImportantMessage);
        }
 
@@ -811,25 +831,25 @@ void display_changepw(void)
                fmout("CENTER");
        }
 
-       wprintf("<form name=\"changepwform\" action=\"changepw\" method=\"post\">\n");
-       wprintf("<input type=\"hidden\" name=\"nonce\" value=\"%d\">\n", WC->nonce);
-       wprintf("<table class=\"altern\" ");
-       wprintf("<tr class=\"even\"><td>");
-       wprintf(_("Enter new password:"));
-       wprintf("</td><td>");
-       wprintf("<input type=\"password\" name=\"newpass1\" value=\"\" maxlength=\"20\"></td></tr>\n");
-       wprintf("<tr class=\"odd\"><td>");
-       wprintf(_("Enter it again to confirm:"));
-       wprintf("</td><td>");
-       wprintf("<input type=\"password\" name=\"newpass2\" value=\"\" maxlength=\"20\"></td></tr>\n");
-       wprintf("</table>\n");
-
-       wprintf("<div class=\"buttons\">\n");
-       wprintf("<input type=\"submit\" name=\"change_action\" value=\"%s\">", _("Change password"));
-       wprintf("&nbsp;");
-       wprintf("<input type=\"submit\" name=\"cancel_action\" value=\"%s\">\n", _("Cancel"));
-       wprintf("</div>\n");
-       wprintf("</form>\n");
+       wc_printf("<form name=\"changepwform\" action=\"changepw\" method=\"post\">\n");
+       wc_printf("<input type=\"hidden\" name=\"nonce\" value=\"%d\">\n", WC->nonce);
+       wc_printf("<table class=\"altern\" ");
+       wc_printf("<tr class=\"even\"><td>");
+       wc_printf(_("Enter new password:"));
+       wc_printf("</td><td>");
+       wc_printf("<input type=\"password\" name=\"newpass1\" value=\"\" maxlength=\"20\"></td></tr>\n");
+       wc_printf("<tr class=\"odd\"><td>");
+       wc_printf(_("Enter it again to confirm:"));
+       wc_printf("</td><td>");
+       wc_printf("<input type=\"password\" name=\"newpass2\" value=\"\" maxlength=\"20\"></td></tr>\n");
+       wc_printf("</table>\n");
+
+       wc_printf("<div class=\"buttons\">\n");
+       wc_printf("<input type=\"submit\" name=\"change_action\" value=\"%s\">", _("Change password"));
+       wc_printf("&nbsp;");
+       wc_printf("<input type=\"submit\" name=\"cancel_action\" value=\"%s\">\n", _("Cancel"));
+       wc_printf("</div>\n");
+       wc_printf("</form>\n");
 
        do_template("endbox", NULL);
        wDumpContent(1);
@@ -888,54 +908,172 @@ void changepw(void)
        }
 }
 
+int ConditionalHaveAccessCreateRoom(StrBuf *Target, WCTemplputParams *TP)
+{
+       StrBuf *Buf;    
+
+       Buf = NewStrBuf();
+       serv_puts("CRE8 0");
+       StrBuf_ServGetln(Buf);
+
+       if (GetServerStatus(Buf, NULL) == 2) {
+               StrBufCutLeft(Buf, 4);
+               AppendImportantMessage(SKEY(Buf));
+               FreeStrBuf(&Buf);
+               return 0;
+       }
+       FreeStrBuf(&Buf);
+       return 1;
+}
+
 int ConditionalAide(StrBuf *Target, WCTemplputParams *TP)
 {
-       return (WC->is_aide == 0);
+       wcsession *WCC = WC;
+       return (WCC != NULL)? (WC->is_aide == 0) : 0;
+}
+
+int ConditionalIsLoggedIn(StrBuf *Target, WCTemplputParams *TP) 
+{
+       wcsession *WCC = WC;
+       return (WCC != NULL)? (WCC->logged_in == 0) : 0;
+
+}
+
+
+
+void _display_reg(void) {
+       display_reg(0);
 }
 
-int ConditionalRoomAide(StrBuf *Target, WCTemplputParams *TP)
+
+void Header_HandleAuth(StrBuf *Line, ParsedHttpHdrs *hdr)
 {
-       return (WC->is_room_aide == 0);
+       if (hdr->HR.got_auth == NO_AUTH) /* don't override cookie auth... */
+       {
+               if (strncasecmp(ChrPtr(Line), "Basic", 5) == 0) {
+                       StrBufCutLeft(Line, 6);
+                       StrBufDecodeBase64(Line);
+                       hdr->HR.plainauth = Line;
+                       hdr->HR.got_auth = AUTH_BASIC;
+               }
+               else 
+                       syslog(1, "Authentication scheme not supported! [%s]\n", ChrPtr(Line));
+       }
 }
 
-int ConditionalIsLoggedIn(StrBuf *Target, WCTemplputParams *TP) {
-  return (WC->logged_in == 0);
+void CheckAuthBasic(ParsedHttpHdrs *hdr)
+{
+/*
+  todo: enable this if we can have other sessions than authenticated ones.
+       if (hdr->DontNeedAuth)
+               return;
+*/
+       StrBufAppendBufPlain(hdr->HR.plainauth, HKEY(":"), 0);
+       StrBufAppendBuf(hdr->HR.plainauth, hdr->HR.user_agent, 0);
+       hdr->HR.SessionKey = hashlittle(SKEY(hdr->HR.plainauth), 89479832);
+/*
+       syslog(1, "CheckAuthBasic: calculated sessionkey %ld\n", 
+               hdr->HR.SessionKey);
+*/
 }
-int ConditionalRoomAcessDelete(StrBuf *Target, WCTemplputParams *TP)
+
+void GetAuthBasic(ParsedHttpHdrs *hdr)
 {
-       wcsession *WCC = WC;
-       return ( (WCC->is_room_aide) || (WCC->is_mailbox) || (WCC->room_flags2 & QR2_COLLABDEL) );
+       const char *Pos = NULL;
+       if (hdr->c_username == NULL)
+               hdr->c_username = NewStrBufPlain(HKEY(DEFAULT_HTTPAUTH_USER));
+       if (hdr->c_password == NULL)
+               hdr->c_password = NewStrBufPlain(HKEY(DEFAULT_HTTPAUTH_PASS));
+       StrBufExtract_NextToken(hdr->c_username, hdr->HR.plainauth, &Pos, ':');
+       StrBufExtract_NextToken(hdr->c_password, hdr->HR.plainauth, &Pos, ':');
 }
 
+void Header_HandleCookie(StrBuf *Line, ParsedHttpHdrs *hdr)
+{
+       const char *pch;
+/*
+  todo: enable this if we can have other sessions than authenticated ones.
+       if (hdr->DontNeedAuth)
+               return;
+*/
+       pch = strstr(ChrPtr(Line), "webcit=");
+       if (pch == NULL) {
+               return;
+       }
 
+       hdr->HR.RawCookie = Line;
+       StrBufCutLeft(hdr->HR.RawCookie, (pch - ChrPtr(hdr->HR.RawCookie)) + 7);
+       StrBufDecodeHex(hdr->HR.RawCookie);
+
+       cookie_to_stuff(Line, &hdr->HR.desired_session,
+                       hdr->c_username,
+                       hdr->c_password,
+                       hdr->c_roomname,
+                       hdr->c_language
+       );
+       hdr->HR.got_auth = AUTH_COOKIE;
+}
 
-void _display_openid_login(void) {display_openid_login(NULL);}
-void _display_reg(void) {display_reg(0);}
+void 
+HttpNewModule_AUTH
+(ParsedHttpHdrs *httpreq)
+{
+       httpreq->c_username = NewStrBufPlain(HKEY(DEFAULT_HTTPAUTH_USER));
+       httpreq->c_password = NewStrBufPlain(HKEY(DEFAULT_HTTPAUTH_PASS));
+       httpreq->c_roomname = NewStrBuf();
+       httpreq->c_language = NewStrBuf();
+}
+void 
+HttpDetachModule_AUTH
+(ParsedHttpHdrs *httpreq)
+{
+       FLUSHStrBuf(httpreq->c_username);
+       FLUSHStrBuf(httpreq->c_password);
+       FLUSHStrBuf(httpreq->c_roomname);
+       FLUSHStrBuf(httpreq->c_language);
+}
 
+void 
+HttpDestroyModule_AUTH
+(ParsedHttpHdrs *httpreq)
+{
+       FreeStrBuf(&httpreq->c_username);
+       FreeStrBuf(&httpreq->c_password);
+       FreeStrBuf(&httpreq->c_roomname);
+       FreeStrBuf(&httpreq->c_language);
+}
 
 void 
 InitModule_AUTH
 (void)
 {
-       WebcitAddUrlHandler(HKEY("do_welcome"), do_welcome, ANONYMOUS);
-       WebcitAddUrlHandler(HKEY("login"), do_login, ANONYMOUS);
-       WebcitAddUrlHandler(HKEY("display_openid_login"), _display_openid_login, ANONYMOUS);
-       WebcitAddUrlHandler(HKEY("openid_login"), do_openid_login, ANONYMOUS);
-       WebcitAddUrlHandler(HKEY("finalize_openid_login"), finalize_openid_login, ANONYMOUS);
-       WebcitAddUrlHandler(HKEY("openid_manual_create"), openid_manual_create, ANONYMOUS);
-       WebcitAddUrlHandler(HKEY("do_logout"), do_logout, 0);
-       WebcitAddUrlHandler(HKEY("validate"), validate, 0);
-       WebcitAddUrlHandler(HKEY("display_reg"), _display_reg, 0);
-       WebcitAddUrlHandler(HKEY("display_changepw"), display_changepw, 0);
-       WebcitAddUrlHandler(HKEY("changepw"), changepw, 0);
-       WebcitAddUrlHandler(HKEY("termquit"), do_logout, 0);
+       initialize_axdefs();
+       RegisterHeaderHandler(HKEY("COOKIE"), Header_HandleCookie);
+       RegisterHeaderHandler(HKEY("AUTHORIZATION"), Header_HandleAuth);
+
+       /* no url pattern at all? Show login. */
+       WebcitAddUrlHandler(HKEY(""), "", 0, do_welcome, ANONYMOUS|COOKIEUNNEEDED);
+
+       /* some of these will be removed soon */
+       WebcitAddUrlHandler(HKEY("do_welcome"), "", 0, do_welcome, ANONYMOUS|COOKIEUNNEEDED);
+       WebcitAddUrlHandler(HKEY("login"), "", 0, do_login, ANONYMOUS|COOKIEUNNEEDED);
+       WebcitAddUrlHandler(HKEY("openid_login"), "", 0, do_openid_login, ANONYMOUS);
+       WebcitAddUrlHandler(HKEY("finalize_openid_login"), "", 0, finalize_openid_login, ANONYMOUS);
+       WebcitAddUrlHandler(HKEY("openid_manual_create"), "", 0, openid_manual_create, ANONYMOUS);
+       WebcitAddUrlHandler(HKEY("validate"), "", 0, validate, 0);
+       WebcitAddUrlHandler(HKEY("do_welcome"), "", 0, do_welcome, 0);
+       WebcitAddUrlHandler(HKEY("display_reg"), "", 0, _display_reg, 0);
+       WebcitAddUrlHandler(HKEY("display_changepw"), "", 0, display_changepw, 0);
+       WebcitAddUrlHandler(HKEY("changepw"), "", 0, changepw, 0);
+       WebcitAddUrlHandler(HKEY("termquit"), "", 0, do_logout, 0);
+       WebcitAddUrlHandler(HKEY("do_logout"), "", 0, do_logout, ANONYMOUS|COOKIEUNNEEDED|FORCE_SESSIONCLOSE);
+       WebcitAddUrlHandler(HKEY("ajax_login_username_password"), "", 0,
+               ajax_login_username_password, AJAX|ANONYMOUS);
 
        RegisterConditional(HKEY("COND:AIDE"), 2, ConditionalAide, CTX_NONE);
-       RegisterConditional(HKEY("COND:ROOMAIDE"), 2, ConditionalRoomAide, CTX_NONE);
-       RegisterConditional(HKEY("COND:ACCESS:DELETE"), 2, ConditionalRoomAcessDelete, CTX_NONE);
        RegisterConditional(HKEY("COND:LOGGEDIN"), 2, ConditionalIsLoggedIn, CTX_NONE);
-
-       return ;
+       RegisterConditional(HKEY("COND:MAY_CREATE_ROOM"), 2,  ConditionalHaveAccessCreateRoom, CTX_NONE);
+       return;
 }
 
 
@@ -946,8 +1084,6 @@ SessionDestroyModule_AUTH
        FreeStrBuf(&sess->wc_username);
        FreeStrBuf(&sess->wc_fullname);
        FreeStrBuf(&sess->wc_password);
-       FreeStrBuf(&sess->wc_roomname);
-       FreeStrBuf(&sess->httpauth_user);
        FreeStrBuf(&sess->httpauth_pass);
        FreeStrBuf(&sess->cs_inet_email);
 }