Moved all the OpenID Relying Party code that I've written so far
[citadel.git] / webcit / auth.c
index a2f51d6d792a8d99f9bb41c4acf64097c1755ac9..94abedfbeead97d3fbc9817c78fdc106cd4706f0 100644 (file)
@@ -1,62 +1,96 @@
 /*
- * auth.c
- *
- * This file contains code which relates to authentication of users to Citadel.
- *
  * $Id$
+ *
+ * WebcitAuth; Handles authentication of users to a Citadel server.
  */
 
-
-#include <ctype.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <fcntl.h>
-#include <signal.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <sys/socket.h>
-#include <sys/time.h>
-#include <limits.h>
-#include <netinet/in.h>
-#include <netdb.h>
-#include <string.h>
-#include <pwd.h>
-#include <errno.h>
-#include <stdarg.h>
-#include <pthread.h>
-#include <signal.h>
 #include "webcit.h"
-
-char *axdefs[] =
-{
-       "Deleted",
-       "New User",
-       "Problem User",
-       "Local User",
-       "Network User",
-       "Preferred User",
-       "Aide"
-};
+#include "webserver.h"
 
 /*
+ * Access level definitions.  This is initialized from a function rather than a
+ * static array so that the strings may be localized.
+ */
+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 */
+}
+
+
+
+
+/* 
  * Display the login screen
+ * mesg = the error message if last attempt failed.
  */
 void display_login(char *mesg)
 {
        char buf[SIZ];
 
-       output_headers(1, 1, 2, 0, 0, 0, 0);
-       wprintf("<div id=\"text\">\n");
+       output_headers(1, 1, 2, 0, 0, 0);
+       wprintf("<div id=\"login_screen\">\n");
 
-       if (mesg != NULL) if (strlen(mesg) > 0) {
-               stresc(buf, mesg, 0, 0);
-               svprintf("mesg", WCS_STRING, "%s", buf);
+       if (mesg != NULL) if (!IsEmptyStr(mesg)) {
+                       stresc(buf, SIZ,  mesg, 0, 0);
+                       svprintf(HKEY("MESG"), WCS_STRING, "%s", buf);
        }
 
-       svprintf("hello", WCS_SERVCMD, "MESG hello");
-       svprintf("BOXTITLE", WCS_STRING, "%s - powered by Citadel",
+       svprintf(HKEY("LOGIN_INSTRUCTIONS"), WCS_STRING,
+               _("<ul>"
+               "<li><b>If you already have an account on %s</b>, "
+               "enter your user name and password and click &quot;Login.&quot; "
+               "<li><b>If you are a new user</b>, enter the name and password "
+               "you wish to use, "
+               "and click &quot;New User.&quot; "
+               "<li>Please log off properly when finished. "
+               "<li>You must use a browser that supports <i>frames</i> and "
+               "<i>cookies</i>. "
+               "<li>Also keep in mind that if your browser is "
+               "configured to block pop-up windows, you will not be able "
+               "to receive any instant messages.<br />"
+               "</ul>"),
+               serv_info.serv_humannode
+       );
+
+       svput("USERNAME_BOX", WCS_STRING, _("User name:"));
+       svput("PASSWORD_BOX", WCS_STRING, _("Password:"));
+       svput("LANGUAGE_BOX", WCS_STRING, _("Language:"));
+       svput("LOGIN_BUTTON", WCS_STRING, _("Login"));
+       svput("NEWUSER_BUTTON", WCS_STRING, _("New User"));
+       svput("EXIT_BUTTON", WCS_STRING, _("Exit"));
+       svput("HELLO", WCS_SERVCMD, "MESG hello");
+       svprintf(HKEY("BOXTITLE"), WCS_STRING, _("%s - powered by <a href=\"http://www.citadel.org\">Citadel</a>"),
                serv_info.serv_humannode);
+       svcallback("DO_LANGUAGE_BOX", offer_languages);
+       if (serv_info.serv_newuser_disabled) {
+               svput("NEWUSER_BUTTON_PRE", WCS_STRING, "<div style=\"display:none;\">");
+               svput("NEWUSER_BUTTON_POST", WCS_STRING, "</div>");
+       }
+       else {
+               svput("NEWUSER_BUTTON_PRE", WCS_STRING, "");
+               svput("NEWUSER_BUTTON_POST", WCS_STRING, "");
+       }
+
+#ifdef TECH_PREVIEW
+               svprintf(HKEY("OFFER_OPENID_LOGIN"), WCS_STRING,
+                       "<div align=center>"
+                       "<a href=\"display_openid_login\">"
+                       "<img src=\"static/openid-small.gif\" border=0 valign=middle>"
+                       "%s</a>"
+                       "</div>"
+                       ,
+                       "Log in using OpenID"
+               );
+#else
+               svput("OFFER_OPENID_LOGIN", WCS_STRING, "");
+#endif
 
        do_template("login");
 
@@ -66,20 +100,79 @@ void display_login(char *mesg)
 
 
 
-/*
+/* 
+ * Display the openid-enabled login screen
+ * mesg = the error message if last attempt failed.
+ */
+void display_openid_login(char *mesg)
+{
+       char buf[SIZ];
+
+       output_headers(1, 1, 2, 0, 0, 0);
+       wprintf("<div id=\"login_screen\">\n");
+
+       if (mesg != NULL) if (!IsEmptyStr(mesg)) {
+                       stresc(buf, SIZ,  mesg, 0, 0);
+                       svprintf(HKEY("MESG"), WCS_STRING, "%s", buf);
+       }
+
+       svprintf(HKEY("LOGIN_INSTRUCTIONS"), WCS_STRING,
+               _("<ul>"
+               "<li>Enter your OpenID URL and click &quot;Login&quot;."
+               "<li>Please log off properly when finished. "
+               "<li>You must use a browser that supports <i>frames</i> and "
+               "<i>cookies</i>. "
+               "<li>Also keep in mind that if your browser is "
+               "configured to block pop-up windows, you will not be able "
+               "to receive any instant messages.<br />"
+               "</ul>")
+       );
+
+       svput("OPENID_BOX", WCS_STRING, _("OpenID URL:"));
+       svput("LANGUAGE_BOX", WCS_STRING, _("Language:"));
+       svput("LOGIN_BUTTON", WCS_STRING, _("Login"));
+       svput("EXIT_BUTTON", WCS_STRING, _("Exit"));
+       svput("HELLO", WCS_SERVCMD, "MESG hello");
+       svprintf(HKEY("BOXTITLE"), WCS_STRING, _("%s - powered by <a href=\"http://www.citadel.org\">Citadel</a>"),
+               serv_info.serv_humannode);
+       svcallback("DO_LANGUAGE_BOX", offer_languages);
+
+       svprintf(HKEY("OFFER_CONVENTIONAL_LOGIN"), WCS_STRING,
+               "<div align=center>"
+               "<a href=\"display_login\">"
+               "%s</a>"
+               "</div>"
+               ,
+               "Log in using a user name and password"
+       );
+
+       do_template("openid_login");
+       wDumpContent(2);
+}
+
+
+
+
+/* Initialize the session
+ *
  * This function needs to get called whenever the session changes from
  * not-logged-in to logged-in, either by an explicit login by the user or
  * by a timed-out session automatically re-establishing with a little help
  * from the browser cookie.  Either way, we need to load access controls and
  * preferences from the server.
+ *
+ * user                        the username
+ * pass                        his password
+ * serv_response       The parameters returned from a Citadel USER or NEWU command
  */
 void become_logged_in(char *user, char *pass, char *serv_response)
 {
        char buf[SIZ];
 
        WC->logged_in = 1;
-       extract(WC->wc_username, &serv_response[4], 0);
-       strcpy(WC->wc_password, pass);
+       extract_token(WC->wc_fullname, &serv_response[4], 0, '|', sizeof WC->wc_fullname);
+       safestrncpy(WC->wc_username, user, sizeof WC->wc_username);
+       safestrncpy(WC->wc_password, pass, sizeof WC->wc_password);
        WC->axlevel = extract_int(&serv_response[4], 1);
        if (WC->axlevel >= 6) {
                WC->is_aide = 1;
@@ -88,30 +181,43 @@ void become_logged_in(char *user, char *pass, char *serv_response)
        load_preferences();
 
        serv_puts("CHEK");
-       serv_gets(buf);
+       serv_getln(buf, sizeof buf);
        if (buf[0] == '2') {
                WC->new_mail = extract_int(&buf[4], 0);
                WC->need_regi = extract_int(&buf[4], 1);
                WC->need_vali = extract_int(&buf[4], 2);
-               extract(WC->cs_inet_email, &buf[4], 3);
+               extract_token(WC->cs_inet_email, &buf[4], 3, '|', sizeof WC->cs_inet_email);
        }
+
+       get_preference("current_iconbar", buf, sizeof buf);
+       WC->current_iconbar = atoi(buf);
+
+       get_preference("floordiv_expanded", WC->floordiv_expanded, sizeof WC->floordiv_expanded);
 }
 
 
+/* 
+ * Perform authentication using a user name and password
+ */
 void do_login(void)
 {
        char buf[SIZ];
 
-       if (!strcasecmp(bstr("action"), "Exit")) {
+       if (havebstr("language")) {
+               set_selected_language(bstr("language"));
+               go_selected_language();
+       }
+
+       if (havebstr("exit_action")) {
                do_logout();
                return;
        }
-       if (!strcasecmp(bstr("action"), "Login")) {
+       if (havebstr("login_action")) {
                serv_printf("USER %s", bstr("name"));
-               serv_gets(buf);
+               serv_getln(buf, sizeof buf);
                if (buf[0] == '3') {
                        serv_printf("PASS %s", bstr("pass"));
-                       serv_gets(buf);
+                       serv_getln(buf, sizeof buf);
                        if (buf[0] == '2') {
                                become_logged_in(bstr("name"),
                                                 bstr("pass"), buf);
@@ -124,13 +230,17 @@ void do_login(void)
                        return;
                }
        }
-       if (!strcasecmp(bstr("action"), "New User")) {
+       if (havebstr("newuser_action")) {
+               if (!havebstr("pass")) {
+                       display_login(_("Blank passwords are not allowed."));
+                       return;
+               }
                serv_printf("NEWU %s", bstr("name"));
-               serv_gets(buf);
+               serv_getln(buf, sizeof buf);
                if (buf[0] == '2') {
                        become_logged_in(bstr("name"), bstr("pass"), buf);
                        serv_printf("SETP %s", bstr("pass"));
-                       serv_gets(buf);
+                       serv_getln(buf, sizeof buf);
                } else {
                        display_login(&buf[4]);
                        return;
@@ -143,25 +253,147 @@ void do_login(void)
                        do_welcome();
                }
        } else {
-               display_login("Your password was not accepted.");
+               display_login(_("Your password was not accepted."));
        }
 
 }
 
-void do_welcome(void)
+
+/* 
+ * Perform authentication using OpenID
+ * assemble the checkid_setup request and then redirect to the user's identity provider
+ */
+void do_openid_login(void)
 {
-       char startpage[SIZ];
+       char buf[4096];
 
-       get_preference("startpage", startpage);
-       if (strlen(startpage)==0) {
-               strcpy(startpage, "/dotskip&room=_BASEROOM_");
-               set_preference("startpage", startpage);
+       if (havebstr("language")) {
+               set_selected_language(bstr("language"));
+               go_selected_language();
        }
 
-        svprintf("STARTPAGE", WCS_STRING, startpage);
+       if (havebstr("exit_action")) {
+               do_logout();
+               return;
+       }
+       if (havebstr("login_action")) {
+               snprintf(buf, sizeof buf,
+                       "OID1 %s|%s://%s/finish_openid_login|%s://%s",
+                       bstr("openid_url"),
+                       (is_https ? "https" : "http"), WC->http_host,
+                       (is_https ? "https" : "http"), WC->http_host
+               );
 
-       /* FIXME ... go to my start page, not to the summary */
-       summary();
+               serv_puts(buf);
+               serv_getln(buf, sizeof buf);
+               if (buf[0] == '2') {
+                       lprintf(CTDL_DEBUG, "OpenID server contacted; redirecting to %s\n", &buf[4]);
+                       http_redirect(&buf[4]);
+                       return;
+               }
+               else {
+                       display_openid_login(&buf[4]);
+                       return;
+               }
+       }
+
+       /* If we get to this point then something failed. */
+       display_openid_login(_("Your password was not accepted."));
+}
+
+/* 
+ * Complete the authentication using OpenID
+ * This function handles the positive or negative assertion from the user's Identity Provider
+ */
+void finish_openid_login(void)
+{
+       if (havebstr("openid.mode")) {
+               if (!strcasecmp(bstr("openid.mode"), "id_res")) {
+
+                       display_openid_login("FIXME id accepted but the code isn't finished");
+                       //FIXME finish this
+
+               }
+       }
+
+       if (WC->logged_in) {
+               if (WC->need_regi) {
+                       display_reg(1);
+               } else {
+                       do_welcome();
+               }
+       } else {
+               display_openid_login(_("Your password was not accepted."));
+       }
+
+}
+
+
+
+
+
+
+
+
+/*
+ * display the user a welcome screen.
+ *
+ * if this is the first time login, and the web based setup is enabled, 
+ * lead the user through the setup routines
+ */
+void do_welcome(void)
+{
+       char buf[SIZ];
+#ifdef XXX_NOT_FINISHED_YET_XXX
+       FILE *fp;
+       int i;
+
+       /**
+        * See if we have to run the first-time setup wizard
+        */
+       if (WC->is_aide) {
+               if (!setup_wizard) {
+                       int len;
+                       sprintf(wizard_filename, "setupwiz.%s.%s",
+                               ctdlhost, ctdlport);
+                       len = strlen(wizard_filename);
+                       for (i=0; i<len; ++i) {
+                               if (    (wizard_filename[i]==' ')
+                                       || (wizard_filename[i] == '/')
+                               ) {
+                                       wizard_filename[i] = '_';
+                               }
+                       }
+       
+                       fp = fopen(wizard_filename, "r");
+                       if (fp != NULL) {
+                               fgets(buf, sizeof buf, fp);
+                               buf[strlen(buf)-1] = 0;
+                               fclose(fp);
+                               if (atoi(buf) == serv_info.serv_rev_level) {
+                                       setup_wizard = 1; /**< already run */
+                               }
+                       }
+               }
+
+               if (!setup_wizard) {
+                       http_redirect("setup_wizard");
+               }
+       }
+#endif
+
+       /*
+        * Go to the user's preferred start page
+        */
+       get_preference("startpage", buf, sizeof buf);
+       if (IsEmptyStr(buf)) {
+               safestrncpy(buf, "dotskip&room=_BASEROOM_", sizeof buf);
+               set_preference("startpage", buf, 1);
+       }
+       if (buf[0] == '/') {
+               strcpy(buf, &buf[1]);
+       }
+       http_redirect(buf);
 }
 
 
@@ -169,50 +401,72 @@ void do_welcome(void)
  * Disconnect from the Citadel server, and end this WebCit session
  */
 void end_webcit_session(void) {
+       char buf[256];
+
+       if (WC->logged_in) {
+               sprintf(buf, "%d", WC->current_iconbar);
+               set_preference("current_iconbar", buf, 0);
+               set_preference("floordiv_expanded", WC->floordiv_expanded, 1);
+       }
+
        serv_puts("QUIT");
        WC->killthis = 1;
        /* close() of citadel socket will be done by do_housekeeping() */
 }
 
-
+/* 
+ * execute the logout
+ */
 void do_logout(void)
 {
        char buf[SIZ];
 
-       strcpy(WC->wc_username, "");
-       strcpy(WC->wc_password, "");
-       strcpy(WC->wc_roomname, "");
+       safestrncpy(WC->wc_username, "", sizeof WC->wc_username);
+       safestrncpy(WC->wc_password, "", sizeof WC->wc_password);
+       safestrncpy(WC->wc_roomname, "", sizeof WC->wc_roomname);
+       safestrncpy(WC->wc_fullname, "", sizeof WC->wc_fullname);
 
-       /* Calling output_headers() this way causes the cookies to be un-set */
-       output_headers(1, 1, 0, 1, 0, 0, 0);
+       /** Calling output_headers() this way causes the cookies to be un-set */
+       output_headers(1, 1, 0, 1, 0, 0);
 
-       wprintf("<CENTER>");
+       wprintf("<div id=\"logout_screen\">");
+        wprintf("<div class=\"box\">");
+        wprintf("<div class=\"boxlabel\">");
+       wprintf(_("Log off"));
+        wprintf("</div><div class=\"boxcontent\">");   
        serv_puts("MESG goodbye");
-       serv_gets(buf);
+       serv_getln(buf, sizeof buf);
 
        if (WC->serv_sock >= 0) {
                if (buf[0] == '1') {
-                       fmout(NULL, "CENTER");
+                       fmout("CENTER");
                } else {
                        wprintf("Goodbye\n");
                }
        }
        else {
-               wprintf("This program was unable to connect or stay "
+               wprintf(_("This program was unable to connect or stay "
                        "connected to the Citadel server.  Please report "
-                       "this problem to your system administrator."
+                       "this problem to your system administrator.")
                );
+               wprintf("<a href=\"http://www.citadel.org/doku.php/"
+                       "faq:mastering_your_os:net#netstat\">%s</a>", 
+                       _("Read More..."));
        }
 
-       wprintf("<hr /><A HREF=\"/\">Log in again</A>&nbsp;&nbsp;&nbsp;"
-               "<A HREF=\"javascript:window.close();\">Close window</A>"
-               "</CENTER>\n");
+       wprintf("<hr /><div class=\"buttons\"> "
+               "<span class=\"button_link\"><a href=\".\">");
+       wprintf(_("Log in again"));
+       wprintf("</a></span>&nbsp;&nbsp;&nbsp;<span class=\"button_link\">"
+               "<a href=\"javascript:window.close();\">");
+       wprintf(_("Close window"));
+       wprintf("</a></span></div></div></div></div>\n");
        wDumpContent(2);
        end_webcit_session();
 }
 
 
-/* 
+/*
  * validate new users
  */
 void validate(void)
@@ -222,40 +476,57 @@ void validate(void)
        char buf[SIZ];
        int a;
 
-       output_headers(1, 1, 0, 0, 0, 0, 0);
+       output_headers(1, 1, 2, 0, 0, 0);
+       wprintf("<div id=\"banner\">\n");
+       wprintf("<h1>");
+       wprintf(_("Validate new users"));
+       wprintf("</h1>");
+       wprintf("</div>\n");
 
-       strcpy(buf, bstr("user"));
-       if (strlen(buf) > 0)
-               if (strlen(bstr("axlevel")) > 0) {
+       wprintf("<div id=\"content\" class=\"service\">\n");
+
+       /* If the user just submitted a validation, process it... */
+       safestrncpy(buf, bstr("user"), sizeof buf);
+       if (!IsEmptyStr(buf)) {
+               if (havebstr("axlevel")) {
                        serv_printf("VALI %s|%s", buf, bstr("axlevel"));
-                       serv_gets(buf);
+                       serv_getln(buf, sizeof buf);
                        if (buf[0] != '2') {
-                               wprintf("<EM>%s</EM><br />\n", &buf[4]);
+                               wprintf("<b>%s</b><br />\n", &buf[4]);
                        }
                }
-       serv_puts("GNUR");
-       serv_gets(buf);
+       }
 
+       /* Now see if any more users require validation. */
+       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");
+               wDumpContent(1);
+               return;
+       }
        if (buf[0] != '3') {
-               wprintf("<EM>%s</EM><br />\n", &buf[4]);
+               wprintf("<b>%s</b><br />\n", &buf[4]);
                wDumpContent(1);
                return;
        }
 
-       wprintf("<CENTER>");
-       do_template("beginbox_nt");
-       wprintf("<CENTER>");
+       wprintf("<div class=\"fix_scrollbar_bug\">"
+               "<table class=\"auth_validate\"><tr><td>\n");
+       wprintf("<center>");
 
-       strcpy(user, &buf[4]);
+       safestrncpy(user, &buf[4], sizeof user);
        serv_printf("GREG %s", user);
-       serv_gets(cmd);
+       serv_getln(cmd, sizeof cmd);
        if (cmd[0] == '1') {
                a = 0;
                do {
-                       serv_gets(buf);
+                       serv_getln(buf, sizeof buf);
                        ++a;
                        if (a == 1)
-                               wprintf("User #%s<br /><H1>%s</H1>",
+                               wprintf("#%s<br /><H1>%s</H1>",
                                        buf, &cmd[4]);
                        if (a == 2)
                                wprintf("PW: %s<br />\n", buf);
@@ -272,16 +543,18 @@ void validate(void)
                        if (a == 8)
                                wprintf("%s<br />\n", buf);
                        if (a == 9)
-                               wprintf("Current access level: %d (%s)\n",
+                               wprintf(_("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]);
        }
 
-       wprintf("<hr />Select access level for this user:<br />\n");
+       wprintf("<hr />");
+       wprintf(_("Select access level for this user:"));
+       wprintf("<br />\n");
        for (a = 0; a <= 6; ++a) {
-               wprintf("<A HREF=\"/validate&user=");
+               wprintf("<a href=\"validate?nonce=%ld?user=", WC->nonce);
                urlescputs(user);
                wprintf("&axlevel=%d\">%s</A>&nbsp;&nbsp;&nbsp;\n",
                        a, axdefs[a]);
@@ -289,15 +562,15 @@ void validate(void)
        wprintf("<br />\n");
 
        wprintf("</CENTER>\n");
-       do_template("endbox");
-       wprintf("</CENTER>\n");
+       wprintf("</td></tr></table></div>\n");
        wDumpContent(1);
 }
 
 
 
-/* 
+/*
  * Display form for registration.
+ *
  * (Set during_login to 1 if this registration is being performed during
  * new user login and will require chaining to the proper screen.)
  */
@@ -311,7 +584,7 @@ void display_reg(int during_login)
                return;
        }
 
-       vcard_msgnum = locate_user_vcard(WC->wc_username, -1);
+       vcard_msgnum = locate_user_vcard(WC->wc_fullname, -1);
        if (vcard_msgnum < 0L) {
                if (during_login) do_welcome();
                else display_main_menu();
@@ -319,10 +592,10 @@ void display_reg(int during_login)
        }
 
        if (during_login) {
-               do_edit_vcard(vcard_msgnum, "1", "/do_welcome");
+               do_edit_vcard(vcard_msgnum, "1", "do_welcome", USERCONFIGROOM);
        }
        else {
-               do_edit_vcard(vcard_msgnum, "1", "/display_main_menu");
+               do_edit_vcard(vcard_msgnum, "1", "display_main_menu", USERCONFIGROOM);
        }
 
 }
@@ -330,66 +603,106 @@ void display_reg(int during_login)
 
 
 
-/* 
+/*
  * display form for changing your password
  */
 void display_changepw(void)
 {
        char buf[SIZ];
 
-       output_headers(1, 1, 0, 0, 0, 0, 0);
+       output_headers(1, 1, 1, 0, 0, 0);
 
-       svprintf("BOXTITLE", WCS_STRING, "Change your password");
+       svput("BOXTITLE", WCS_STRING, _("Change your password"));
        do_template("beginbox");
-       wprintf("<CENTER><br />");
+
+       if (!IsEmptyStr(WC->ImportantMessage)) {
+               wprintf("<span class=\"errormsg\">"
+                       "%s</span><br />\n", WC->ImportantMessage);
+               safestrncpy(WC->ImportantMessage, "", sizeof WC->ImportantMessage);
+       }
+
        serv_puts("MESG changepw");
-       serv_gets(buf);
+       serv_getln(buf, sizeof buf);
        if (buf[0] == '1') {
-               fmout(NULL, "CENTER");
-       }
-
-       wprintf("<FORM ACTION=\"changepw\" METHOD=\"POST\">\n");
-       wprintf("<CENTER>"
-               "<table border=\"0\" cellspacing=\"5\" cellpadding=\"5\" "
-               "BGCOLOR=\"#EEEEEE\">"
-               "<TR><TD>Enter new password:</TD>\n");
-       wprintf("<TD><INPUT TYPE=\"password\" NAME=\"newpass1\" VALUE=\"\" MAXLENGTH=\"20\"></TD></TR>\n");
-       wprintf("<TR><TD>Enter it again to confirm:</TD>\n");
-       wprintf("<TD><INPUT TYPE=\"password\" NAME=\"newpass2\" VALUE=\"\" MAXLENGTH=\"20\"></TD></TR>\n");
-       wprintf("</TABLE><br />\n");
-       wprintf("<INPUT type=\"submit\" NAME=\"action\" VALUE=\"Change\">\n"
-               "&nbsp;"
-               "<INPUT type=\"submit\" NAME=\"action\" VALUE=\"Cancel\">\n");
-       wprintf("</CENTER>\n");
+               fmout("CENTER");
+       }
+
+       wprintf("<form name=\"changepwform\" action=\"changepw\" method=\"post\">\n");
+       wprintf("<input type=\"hidden\" name=\"nonce\" value=\"%ld\">\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");
+
        do_template("endbox");
        wDumpContent(1);
 }
 
 /*
  * change password
+ * if passwords match, propagate it to citserver.
  */
 void changepw(void)
 {
        char buf[SIZ];
        char newpass1[32], newpass2[32];
 
-       if (strcmp(bstr("action"), "Change")) {
-               strcpy(WC->ImportantMessage, 
-                       "Cancelled.  Password was not changed.");
+       if (!havebstr("change_action")) {
+               safestrncpy(WC->ImportantMessage, 
+                       _("Cancelled.  Password was not changed."),
+                       sizeof WC->ImportantMessage);
                display_main_menu();
                return;
        }
-       strcpy(newpass1, bstr("newpass1"));
-       strcpy(newpass2, bstr("newpass2"));
+
+       safestrncpy(newpass1, bstr("newpass1"), sizeof newpass1);
+       safestrncpy(newpass2, bstr("newpass2"), sizeof newpass2);
 
        if (strcasecmp(newpass1, newpass2)) {
-               strcpy(WC->ImportantMessage, 
-                       "They don't match.  Password was not changed.");
-               display_main_menu();
+               safestrncpy(WC->ImportantMessage, 
+                       _("They don't match.  Password was not changed."),
+                       sizeof WC->ImportantMessage);
+               display_changepw();
                return;
        }
+
+       if (IsEmptyStr(newpass1)) {
+               safestrncpy(WC->ImportantMessage, 
+                       _("Blank passwords are not allowed."),
+                       sizeof WC->ImportantMessage);
+               display_changepw();
+               return;
+       }
+
        serv_printf("SETP %s", newpass1);
-       serv_gets(buf);
-       strcpy(WC->ImportantMessage, &buf[4]);
-       display_main_menu();
+       serv_getln(buf, sizeof buf);
+       sprintf(WC->ImportantMessage, "%s", &buf[4]);
+       if (buf[0] == '2') {
+               safestrncpy(WC->wc_password, buf, sizeof WC->wc_password);
+               display_main_menu();
+       }
+       else {
+               display_changepw();
+       }
+}
+
+
+
+void InitModule_AUTH(void)
+{
+       WebcitAddUrlHandler(HKEY("do_welcome"), do_welcome, 0);
+       return ;
 }