diff options
Diffstat (limited to 'system/gdm/patches')
| -rw-r--r-- | system/gdm/patches/gdm-2.20.11-crypt.diff | 134 |
1 files changed, 134 insertions, 0 deletions
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 0000000000..d72bd80c46 --- /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); |