s3 swat: Add XSRF protection to password page

Signed-off-by: Kai Blin <kai@samba.org>

diff --git a/source/web/swat.c b/source/web/swat.c
index 4544c318e35ba6ebfcfea001d88d34230b3fde1f..524248481b928459926db2651ac3608ed20f78d2 100644 (file)
--- a/source/web/swat.c
+++ b/source/web/swat.c
@@ -1225,12 +1225,15 @@ static void chg_passwd(void)
 static void passwd_page(void)
 {
        const char *new_name = cgi_user_name();
+       const char passwd_form[] = "passwd";
+       const char rpasswd_form[] = "rpasswd";
 
        if (!new_name) new_name = "";
 
        printf("<H2>%s</H2>\n", _("Server Password Management"));
 
        printf("<FORM name=\"swatform\" method=post>\n");
+       print_xsrf_token(cgi_user_name(), cgi_user_pass(), passwd_form);
 
        printf("<table>\n");
 
@@ -1270,14 +1273,16 @@ static void passwd_page(void)
         * Do some work if change, add, disable or enable was
         * requested. It could be this is the first time through this
         * code, so there isn't anything to do.  */
-       if ((cgi_variable(CHG_S_PASSWD_FLAG)) || (cgi_variable(ADD_USER_FLAG)) || (cgi_variable(DELETE_USER_FLAG)) ||
-           (cgi_variable(DISABLE_USER_FLAG)) || (cgi_variable(ENABLE_USER_FLAG))) {
+       if (verify_xsrf_token(passwd_form) &&
+          ((cgi_variable(CHG_S_PASSWD_FLAG)) || (cgi_variable(ADD_USER_FLAG)) || (cgi_variable(DELETE_USER_FLAG)) ||
+           (cgi_variable(DISABLE_USER_FLAG)) || (cgi_variable(ENABLE_USER_FLAG)))) {
                chg_passwd();           
        }
 
        printf("<H2>%s</H2>\n", _("Client/Server Password Management"));
 
        printf("<FORM name=\"swatform\" method=post>\n");
+       print_xsrf_token(cgi_user_name(), cgi_user_pass(), rpasswd_form);
 
        printf("<table>\n");
 
@@ -1310,7 +1315,7 @@ static void passwd_page(void)
         * password somewhere other than the server. It could be this
         * is the first time through this code, so there isn't
         * anything to do.  */
-       if (cgi_variable(CHG_R_PASSWD_FLAG)) {
+       if (verify_xsrf_token(passwd_form) && cgi_variable(CHG_R_PASSWD_FLAG)) {
                chg_passwd();           
        }