Clean up patch to make handling of constructor cleanup more portable
This commit is contained in:
Dan Walsh
parent
8723500e16
commit
3d499ceb03
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@ -288,7 +288,7 @@ index 36ce029..83d2143 100644
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/*
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* If we failed to disable, SELinux will still be
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diff --git a/libselinux/src/matchpathcon.c b/libselinux/src/matchpathcon.c
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index f3e45af..1333aa0 100644
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index f3e45af..da5cab9 100644
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--- a/libselinux/src/matchpathcon.c
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+++ b/libselinux/src/matchpathcon.c
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@@ -2,6 +2,7 @@
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@ -299,16 +299,15 @@ index f3e45af..1333aa0 100644
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#include "selinux_internal.h"
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#include "label_internal.h"
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#include "callbacks.h"
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@@ -16,7 +17,7 @@ static __thread int con_array_size;
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static __thread int con_array_used;
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@@ -17,6 +18,7 @@ static __thread int con_array_used;
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static pthread_once_t once = PTHREAD_ONCE_INIT;
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-static pthread_key_t destructor_key;
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+static pthread_key_t destructor_key = -1;
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static pthread_key_t destructor_key;
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+static int destructor_key_initialized = 0;
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static int add_array_elt(char *con)
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{
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@@ -60,7 +61,7 @@ static void
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@@ -60,7 +62,7 @@ static void
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{
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va_list ap;
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va_start(ap, fmt);
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@ -317,6 +316,23 @@ index f3e45af..1333aa0 100644
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va_end(ap);
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}
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@@ -292,12 +294,14 @@ static void matchpathcon_thread_destructor(void __attribute__((unused)) *ptr)
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void __attribute__((destructor)) matchpathcon_lib_destructor(void)
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{
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- __selinux_key_delete(destructor_key);
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+ if (destructor_key_initialized)
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+ __selinux_key_delete(destructor_key);
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}
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static void matchpathcon_init_once(void)
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{
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- __selinux_key_create(&destructor_key, matchpathcon_thread_destructor);
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+ if (__selinux_key_create(&destructor_key, matchpathcon_thread_destructor) == 0)
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+ destructor_key_initialized = 1;
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}
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int matchpathcon_init_prefix(const char *path, const char *subset)
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diff --git a/libselinux/src/selinux.py b/libselinux/src/selinux.py
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index fd63a4f..705012c 100644
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--- a/libselinux/src/selinux.py
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@ -406,7 +422,7 @@ index e040959..f4c33df 100644
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{
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return get_path(SEPGSQL_CONTEXTS);
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diff --git a/libselinux/src/selinux_internal.h b/libselinux/src/selinux_internal.h
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index fdddfaf..c67c102 100644
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index fdddfaf..806e87c 100644
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--- a/libselinux/src/selinux_internal.h
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+++ b/libselinux/src/selinux_internal.h
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@@ -3,6 +3,7 @@
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@ -425,6 +441,18 @@ index fdddfaf..c67c102 100644
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hidden_proto(selinux_file_context_subs_path)
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hidden_proto(selinux_netfilter_context_path)
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hidden_proto(selinux_homedir_context_path)
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@@ -114,10 +116,7 @@ extern int selinux_page_size hidden;
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/* Pthread key macros */
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#define __selinux_key_create(KEY, DESTRUCTOR) \
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- do { \
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- if (pthread_key_create != NULL) \
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- pthread_key_create(KEY, DESTRUCTOR); \
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- } while (0)
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+ (pthread_key_create != NULL ? pthread_key_create(KEY, DESTRUCTOR) : -1)
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#define __selinux_key_delete(KEY) \
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do { \
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diff --git a/libselinux/src/selinuxswig_python.i b/libselinux/src/selinuxswig_python.i
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index dea0e80..bb227e9 100644
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--- a/libselinux/src/selinuxswig_python.i
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@ -1510,15 +1538,35 @@ index e0884f6..b131d2e 100644
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SWIG_Python_SetConstant(d, "SELINUX_CB_LOG",SWIG_From_int((int)(0)));
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SWIG_Python_SetConstant(d, "SELINUX_CB_AUDIT",SWIG_From_int((int)(1)));
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diff --git a/libselinux/src/setrans_client.c b/libselinux/src/setrans_client.c
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index 4bdbe08..eb18ca0 100644
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index 4bdbe08..e074142 100644
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--- a/libselinux/src/setrans_client.c
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+++ b/libselinux/src/setrans_client.c
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@@ -34,7 +34,7 @@ static __thread char *prev_r2c_trans = NULL;
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static __thread security_context_t prev_r2c_raw = NULL;
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@@ -35,6 +35,7 @@ static __thread security_context_t prev_r2c_raw = NULL;
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static pthread_once_t once = PTHREAD_ONCE_INIT;
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-static pthread_key_t destructor_key;
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+static pthread_key_t destructor_key = -1;
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static pthread_key_t destructor_key;
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+static int destructor_key_initialized = 0;
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static __thread char destructor_initialized;
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/*
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@@ -254,7 +255,8 @@ static void setrans_thread_destructor(void __attribute__((unused)) *unused)
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void __attribute__((destructor)) setrans_lib_destructor(void)
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{
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- __selinux_key_delete(destructor_key);
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+ if (destructor_key_initialized)
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+ __selinux_key_delete(destructor_key);
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}
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static inline void init_thread_destructor(void)
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@@ -267,7 +269,9 @@ static inline void init_thread_destructor(void)
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static void init_context_translations(void)
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{
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- __selinux_key_create(&destructor_key, setrans_thread_destructor);
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+ if (__selinux_key_create(&destructor_key, setrans_thread_destructor) == 0)
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+ destructor_key_initialized = 1;
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+
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mls_enabled = is_selinux_mls_enabled();
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}
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@ -7,7 +7,7 @@
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Summary: SELinux library and simple utilities
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Name: libselinux
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Version: 2.0.99
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Release: 5%{?dist}
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Release: 6%{?dist}
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License: Public Domain
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Group: System Environment/Libraries
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Source: http://www.nsa.gov/research/selinux/%{name}-%{version}.tgz
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@ -236,6 +236,9 @@ exit 0
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%{ruby_sitearch}/selinux.so
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%changelog
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* Wed Apr 5 2011 Dan Walsh <dwalsh@redhat.com> - 2.0.99-6
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- Clean up patch to make handling of constructor cleanup more portable
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* Tue Apr 5 2011 Dan Walsh <dwalsh@redhat.com> - 2.0.99-5
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- Add distribution subs path
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