Improve compatibility with Python 3 SWIG bindings

- Resolves: rhbz#1247714

0001-Improve-compatibility-with-Python-3-SWIG-bindings.patch

@@ -0,0 +1,106 @@
+From 50b3a9f3485ac7083a6c3f4cce75e504960cc036 Mon Sep 17 00:00:00 2001
+From: Michal Srb <msrb@redhat.com>
+Date: Tue, 25 Aug 2015 10:14:41 +0200
+Subject: [PATCH] Improve compatibility with Python 3 SWIG bindings
+
+Python 3 SWIG bindings temporarily allocate memory needed for
+PyUnicodeObject->char * conversion. This memory is deallocated shortly
+after underlying C function returns. Therefore it's necessary to create
+a copy of it.
+---
+ src/boolean_record.c | 7 +++++--
+ src/iface_record.c   | 7 +++++--
+ src/user_record.c    | 7 +++++--
+ 3 files changed, 15 insertions(+), 6 deletions(-)
+
+diff --git a/src/boolean_record.c b/src/boolean_record.c
+index 8b64413..0d139ac 100644
+--- a/src/boolean_record.c
++++ b/src/boolean_record.c
+@@ -25,12 +25,14 @@ int sepol_bool_key_create(sepol_handle_t * handle,
+ 	sepol_bool_key_t *tmp_key =
+ 	    (sepol_bool_key_t *) malloc(sizeof(struct sepol_bool_key));
+ 
+-	if (!tmp_key) {
++	char *tmp_name = strdup(name);
++
++	if (!tmp_key || !tmp_name) {
+ 		ERR(handle, "out of memory, " "could not create boolean key");
+ 		return STATUS_ERR;
+ 	}
+ 
+-	tmp_key->name = name;
++	tmp_key->name = tmp_name;
+ 
+ 	*key_ptr = tmp_key;
+ 	return STATUS_SUCCESS;
+@@ -62,6 +64,7 @@ int sepol_bool_key_extract(sepol_handle_t * handle,
+ 
+ void sepol_bool_key_free(sepol_bool_key_t * key)
+ {
++	free(key->name);
+ 	free(key);
+ }
+ 
+diff --git a/src/iface_record.c b/src/iface_record.c
+index 09adeb7..4315238 100644
+--- a/src/iface_record.c
++++ b/src/iface_record.c
+@@ -31,12 +31,14 @@ int sepol_iface_key_create(sepol_handle_t * handle,
+ 	sepol_iface_key_t *tmp_key =
+ 	    (sepol_iface_key_t *) malloc(sizeof(sepol_iface_key_t));
+ 
+-	if (!tmp_key) {
++	char *tmp_name = strdup(name);
++
++	if (!tmp_key || !tmp_name) {
+ 		ERR(handle, "out of memory, could not create interface key");
+ 		return STATUS_ERR;
+ 	}
+ 
+-	tmp_key->name = name;
++	tmp_key->name = tmp_name;
+ 
+ 	*key_ptr = tmp_key;
+ 	return STATUS_SUCCESS;
+@@ -68,6 +70,7 @@ int sepol_iface_key_extract(sepol_handle_t * handle,
+ 
+ void sepol_iface_key_free(sepol_iface_key_t * key)
+ {
++	free(key->name);
+ 	free(key);
+ }
+ 
+diff --git a/src/user_record.c b/src/user_record.c
+index c59c54b..dfc66e5 100644
+--- a/src/user_record.c
++++ b/src/user_record.c
+@@ -34,13 +34,15 @@ int sepol_user_key_create(sepol_handle_t * handle,
+ 	sepol_user_key_t *tmp_key =
+ 	    (sepol_user_key_t *) malloc(sizeof(sepol_user_key_t));
+ 
+-	if (!tmp_key) {
++	char *tmp_name = strdup(name);
++
++	if (!tmp_key || !tmp_name) {
+ 		ERR(handle, "out of memory, "
+ 		    "could not create selinux user key");
+ 		return STATUS_ERR;
+ 	}
+ 
+-	tmp_key->name = name;
++	tmp_key->name = tmp_name;
+ 
+ 	*key_ptr = tmp_key;
+ 	return STATUS_SUCCESS;
+@@ -71,6 +73,7 @@ int sepol_user_key_extract(sepol_handle_t * handle,
+ 
+ void sepol_user_key_free(sepol_user_key_t * key)
+ {
++	free(key->name);
+ 	free(key);
+ }
+ 
+-- 
+2.4.3
+

libsepol.spec

@@ -1,10 +1,12 @@
 Summary: SELinux binary policy manipulation library 
 Name: libsepol
 Version: 2.4
-Release: 2%{?dist}
+Release: 3%{?dist}
 License: LGPLv2+
 Group: System Environment/Libraries
 Source: https://raw.githubusercontent.com/wiki/SELinuxProject/selinux/files/releases/20150202/libsepol-%{version}.tar.gz
+# fix rhbz#1247714
+Patch0: 0001-Improve-compatibility-with-Python-3-SWIG-bindings.patch
 URL: https://github.com/SELinuxProject/selinux/wiki
 BuildRequires: flex
 
@@ -45,6 +47,8 @@ needed for developing applications that manipulate binary policies.
 %prep
 %setup -q
 
+%patch0 -p1
+
 # sparc64 is an -fPIC arch, so we need to fix it here
 %ifarch sparc64
 sed -i 's/fpic/fPIC/g' src/Makefile
@@ -101,6 +105,10 @@ exit 0
 %{_libdir}/libsepol.so.1
 
 %changelog
+* Tue Aug 25 2015 Michal Srb <msrb@redhat.com> - 2.4-3
+- Improve compatibility with Python 3 SWIG bindings
+- Resolves: rhbz#1247714
+
 * Fri Aug 14 2015 Adam Jackson <ajax@redhat.com> 2.4-2
 - Pass ldflags to make so hardening works