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-rw-r--r--system/gdm/gdm.SlackBuild5
-rw-r--r--system/gdm/patches/gdm-2.20.11-crypt.diff134
2 files changed, 138 insertions, 1 deletions
diff --git a/system/gdm/gdm.SlackBuild b/system/gdm/gdm.SlackBuild
index 727b618089217..7699068bd7083 100644
--- a/system/gdm/gdm.SlackBuild
+++ b/system/gdm/gdm.SlackBuild
@@ -11,7 +11,7 @@
PRGNAM=gdm
VERSION=${VERSION:-2.20.11}
-BUILD=${BUILD:-4}
+BUILD=${BUILD:-5}
TAG=${TAG:-_SBo}
if [ -z "$ARCH" ]; then
@@ -60,6 +60,9 @@ find . \
# Don't automatically start ssh-agent -- this is the user's job
patch -p1 < $CWD/patches/do_not_start_ssh-agent.diff
+# Fix crypt() usage with glibc-2.17 and later
+patch -p1 < $CWD/patches/gdm-2.20.11-crypt.diff
+
CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
diff --git a/system/gdm/patches/gdm-2.20.11-crypt.diff b/system/gdm/patches/gdm-2.20.11-crypt.diff
new file mode 100644
index 0000000000000..d72bd80c46e5a
--- /dev/null
+++ b/system/gdm/patches/gdm-2.20.11-crypt.diff
@@ -0,0 +1,134 @@
+Correctly handle crypt() NULL returns when built against glibc 2.17+
+
+Author: mancha
+
+=======
+
+--- gdm-2.20.11/daemon/verify-crypt.c.orig 2013-06-23
++++ gdm-2.20.11/daemon/verify-crypt.c 2013-06-23
+@@ -104,7 +104,7 @@ gdm_verify_user (GdmDisplay *d,
+ const char *username,
+ gboolean allow_retry)
+ {
+- gchar *login, *passwd, *ppasswd;
++ gchar *login, *passwd, *ppasswd, *cpasswd;
+ struct passwd *pwent;
+ #if defined (HAVE_PASSWDEXPIRED) && defined (HAVE_CHPASS) \
+ || defined (HAVE_LOGINRESTRICTIONS)
+@@ -190,8 +190,10 @@ gdm_verify_user (GdmDisplay *d,
+ }
+
+ /* Check whether password is valid */
+- if (ppasswd == NULL || (ppasswd[0] != '\0' &&
+- strcmp (crypt (passwd, ppasswd), ppasswd) != 0)) {
++ cpasswd = ppasswd ? crypt (passwd, ppasswd) : NULL;
++ if (ppasswd == NULL || cpasswd == NULL ||
++ (ppasswd[0] != '\0' &&
++ strcmp (cpasswd, ppasswd) != 0)) {
+ gdm_sleep_no_signal (gdm_daemon_config_get_value_int (GDM_KEY_RETRY_DELAY));
+ gdm_debug ("Couldn't authenticate user");
+
+@@ -200,6 +202,7 @@ gdm_verify_user (GdmDisplay *d,
+ g_free (login);
+ g_free (passwd);
+ g_free (ppasswd);
++ g_free (cpasswd);
+ return NULL;
+ }
+
+@@ -217,6 +220,7 @@ gdm_verify_user (GdmDisplay *d,
+ g_free (login);
+ g_free (passwd);
+ g_free (ppasswd);
++ g_free (cpasswd);
+ return NULL;
+ }
+
+@@ -233,6 +237,7 @@ gdm_verify_user (GdmDisplay *d,
+ g_free (login);
+ g_free (passwd);
+ g_free (ppasswd);
++ g_free (cpasswd);
+ if (message != NULL)
+ free (message);
+ return NULL;
+@@ -259,6 +264,7 @@ gdm_verify_user (GdmDisplay *d,
+ g_free (login);
+ g_free (passwd);
+ g_free (ppasswd);
++ g_free (cpasswd);
+ return NULL;
+ }
+
+@@ -266,6 +272,7 @@ gdm_verify_user (GdmDisplay *d,
+
+ g_free (passwd);
+ g_free (ppasswd);
++ g_free (cpasswd);
+
+ if ( ! gdm_slave_check_user_wants_to_log_in (login)) {
+ g_free (login);
+--- gdm-2.20.11/daemon/verify-shadow.c.orig 2013-06-23
++++ gdm-2.20.11/daemon/verify-shadow.c 2013-06-23
+@@ -105,7 +105,7 @@ gdm_verify_user (GdmDisplay *d,
+ const char *username,
+ gboolean allow_retry)
+ {
+- gchar *login, *passwd, *ppasswd;
++ gchar *login, *passwd, *ppasswd, *cpasswd;
+ struct passwd *pwent;
+ struct spwd *sp;
+ #if defined (HAVE_PASSWDEXPIRED) && defined (HAVE_CHPASS) \
+@@ -211,8 +211,10 @@ gdm_verify_user (GdmDisplay *d,
+ }
+
+ /* Check whether password is valid */
+- if (ppasswd == NULL || (ppasswd[0] != '\0' &&
+- strcmp (crypt (passwd, ppasswd), ppasswd) != 0)) {
++ cpasswd = ppasswd ? crypt (passwd, ppasswd) : NULL;
++ if (ppasswd == NULL || cpasswd == NULL ||
++ (ppasswd[0] != '\0' &&
++ strcmp (cpasswd, ppasswd) != 0)) {
+ gdm_sleep_no_signal (gdm_daemon_config_get_value_int (GDM_KEY_RETRY_DELAY));
+ gdm_debug ("Couldn't authenticate user");
+
+@@ -221,6 +223,7 @@ gdm_verify_user (GdmDisplay *d,
+ g_free (login);
+ g_free (passwd);
+ g_free (ppasswd);
++ g_free (cpasswd);
+ return NULL;
+ }
+
+@@ -238,6 +241,7 @@ gdm_verify_user (GdmDisplay *d,
+ g_free (login);
+ g_free (passwd);
+ g_free (ppasswd);
++ g_free (cpasswd);
+ return NULL;
+ }
+
+@@ -254,6 +258,7 @@ gdm_verify_user (GdmDisplay *d,
+ g_free (login);
+ g_free (passwd);
+ g_free (ppasswd);
++ g_free (cpasswd);
+ if (message != NULL)
+ free (message);
+ return NULL;
+@@ -280,6 +285,7 @@ gdm_verify_user (GdmDisplay *d,
+ g_free (login);
+ g_free (passwd);
+ g_free (ppasswd);
++ g_free (cpasswd);
+ return NULL;
+ }
+
+@@ -287,6 +293,7 @@ gdm_verify_user (GdmDisplay *d,
+
+ g_free (passwd);
+ g_free (ppasswd);
++ g_free (cpasswd);
+
+ if ( ! gdm_slave_check_user_wants_to_log_in (login)) {
+ g_free (login);