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Rebase on db0f2f382e31 at SELinuxProject 

- drop deprecated functions and duplicated symbols
- change library version to libsemanage.so.2
- temporary ship -compat with libsemanage.so.1
- based on upstream db0f2f382e31
- re-enable lto flags
This commit is contained in:
Petr Lautrbach 2020-10-30 13:27:17 +01:00
parent 83ed0d4737
commit a03d891cfa
5 changed files with 403 additions and 10 deletions
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233
0001-libsemanage-Remove-legacy-and-duplicate-symbols.patch Normal file
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@ -0,0 +1,233 @@
From b46406de8a93abe10e685c422597516517c0bff3 Mon Sep 17 00:00:00 2001
From: Petr Lautrbach <plautrba@redhat.com>
Date: Fri, 9 Oct 2020 15:00:50 +0200
Subject: [PATCH] libsemanage: Remove legacy and duplicate symbols
Versioned duplicate symbols cause problems for LTO. These symbols were
introduced during the CIL integration several releases ago and were only
consumed by other SELinux userspace components.
Related: https://github.com/SELinuxProject/selinux/issues/245
Signed-off-by: Petr Lautrbach <plautrba@redhat.com>
---
libsemanage/include/semanage/modules.h | 2 +-
libsemanage/src/libsemanage.map | 5 --
libsemanage/src/modules.c | 100 +------------------------
libsemanage/src/modules.h | 9 +--
libsemanage/src/semanageswig_python.i | 2 -
5 files changed, 4 insertions(+), 114 deletions(-)
diff --git a/libsemanage/include/semanage/modules.h b/libsemanage/include/semanage/modules.h
index ac4039314857..b51f61f033d5 100644
--- a/libsemanage/include/semanage/modules.h
+++ b/libsemanage/include/semanage/modules.h
@@ -33,7 +33,7 @@ typedef struct semanage_module_key semanage_module_key_t;
*/
extern int semanage_module_install(semanage_handle_t *,
- char *module_data, size_t data_len, char *name, char *ext_lang);
+ char *module_data, size_t data_len, const char *name, const char *ext_lang);
extern int semanage_module_install_file(semanage_handle_t *,
const char *module_name);
extern int semanage_module_remove(semanage_handle_t *, char *module_name);
diff --git a/libsemanage/src/libsemanage.map b/libsemanage/src/libsemanage.map
index 1375a8ca0ea7..4bec06aaae27 100644
--- a/libsemanage/src/libsemanage.map
+++ b/libsemanage/src/libsemanage.map
@@ -167,18 +167,13 @@ LIBSEMANAGE_1.0 {
semanage_mls_enabled;
semanage_module_disable;
semanage_module_enable;
- semanage_module_get_enabled;
semanage_module_get_name;
semanage_module_get_version;
semanage_module_info_datum_destroy;
- semanage_module_install;
- semanage_module_install_base;
- semanage_module_install_base_file;
semanage_module_install_file;
semanage_module_list;
semanage_module_list_nth;
semanage_module_remove;
- semanage_module_upgrade;
semanage_module_upgrade_file;
semanage_msg_get_channel;
semanage_msg_get_fname;
diff --git a/libsemanage/src/modules.c b/libsemanage/src/modules.c
index 6d3eb60ae462..8b36801038df 100644
--- a/libsemanage/src/modules.c
+++ b/libsemanage/src/modules.c
@@ -42,70 +42,7 @@
#include "modules.h"
#include "debug.h"
-asm(".symver semanage_module_get_enabled_1_1,semanage_module_get_enabled@@LIBSEMANAGE_1.1");
-asm(".symver semanage_module_get_enabled_1_0,semanage_module_get_enabled@LIBSEMANAGE_1.0");
-asm(".symver semanage_module_install_pp,semanage_module_install@LIBSEMANAGE_1.0");
-asm(".symver semanage_module_install_hll,semanage_module_install@@LIBSEMANAGE_1.1");
-
-/* Takes a module stored in 'module_data' and parses its headers.
- * Sets reference variables 'module_name' to module's name and
- * 'version' to module's version. The caller is responsible for
- * free()ing 'module_name' and 'version'; they will be
- * set to NULL upon entering this function. Returns 0 on success, -1
- * if out of memory, or -2 if data did not represent a module.
- */
-static int parse_module_headers(semanage_handle_t * sh, char *module_data,
- size_t data_len, char **module_name, char **version)
-{
- struct sepol_policy_file *pf;
- int file_type;
- *version = NULL;
-
- if (sepol_policy_file_create(&pf)) {
- ERR(sh, "Out of memory!");
- return -1;
- }
- sepol_policy_file_set_mem(pf, module_data, data_len);
- sepol_policy_file_set_handle(pf, sh->sepolh);
- if (module_data == NULL ||
- data_len == 0 ||
- sepol_module_package_info(pf, &file_type, module_name, version) == -1) {
- sepol_policy_file_free(pf);
- ERR(sh, "Could not parse module data.");
- return -2;
- }
- sepol_policy_file_free(pf);
- if (file_type != SEPOL_POLICY_MOD) {
- ERR(sh, "Data did not represent a pp module. Please upgrade to the latest version of libsemanage to support hll modules.");
- return -2;
- }
-
- return 0;
-}
-
-/* This function is used to preserve ABI compatibility with
- * versions of semodule using LIBSEMANAGE_1.0
- */
-int semanage_module_install_pp(semanage_handle_t * sh,
- char *module_data, size_t data_len)
-{
- char *name = NULL;
- char *version = NULL;
- int status;
-
- if ((status = parse_module_headers(sh, module_data, data_len, &name, &version)) != 0) {
- goto cleanup;
- }
-
- status = semanage_module_install_hll(sh, module_data, data_len, name, "pp");
-
-cleanup:
- free(name);
- free(version);
- return status;
-}
-
-int semanage_module_install_hll(semanage_handle_t * sh,
+int semanage_module_install(semanage_handle_t * sh,
char *module_data, size_t data_len, const char *name, const char *ext_lang)
{
if (sh->funcs->install == NULL) {
@@ -160,16 +97,6 @@ int semanage_module_extract(semanage_handle_t * sh,
return sh->funcs->extract(sh, modkey, extract_cil, mapped_data, data_len, modinfo);
}
-/* Legacy function that remains to preserve ABI
- * compatibility. Please use semanage_module_install instead.
- */
-int semanage_module_upgrade(semanage_handle_t * sh,
- char *module_data, size_t data_len)
-{
- return semanage_module_install_pp(sh, module_data, data_len);
-
-}
-
/* Legacy function that remains to preserve ABI
* compatibility. Please use semanage_module_install_file instead.
*/
@@ -179,24 +106,6 @@ int semanage_module_upgrade_file(semanage_handle_t * sh,
return semanage_module_install_file(sh, module_name);
}
-/* Legacy function that remains to preserve ABI
- * compatibility. Please use semanage_module_install instead.
- */
-int semanage_module_install_base(semanage_handle_t * sh,
- char *module_data, size_t data_len)
-{
- return semanage_module_install_pp(sh, module_data, data_len);
-}
-
-/* Legacy function that remains to preserve ABI
- * compatibility. Please use semanage_module_install_file instead.
- */
-int semanage_module_install_base_file(semanage_handle_t * sh,
- const char *module_name)
-{
- return semanage_module_install_file(sh, module_name);
-}
-
int semanage_module_remove(semanage_handle_t * sh, char *module_name)
{
if (sh->funcs->remove == NULL) {
@@ -780,7 +689,7 @@ int semanage_module_key_set_priority(semanage_handle_t *sh,
}
-int semanage_module_get_enabled_1_1(semanage_handle_t *sh,
+int semanage_module_get_enabled(semanage_handle_t *sh,
const semanage_module_key_t *modkey,
int *enabled)
{
@@ -800,11 +709,6 @@ int semanage_module_get_enabled_1_1(semanage_handle_t *sh,
return sh->funcs->get_enabled(sh, modkey, enabled);
}
-int semanage_module_get_enabled_1_0(semanage_module_info_t *modinfo)
-{
- return modinfo->enabled;
-}
-
int semanage_module_set_enabled(semanage_handle_t *sh,
const semanage_module_key_t *modkey,
int enabled)
diff --git a/libsemanage/src/modules.h b/libsemanage/src/modules.h
index 2d3576fb15df..64d4a157f5ca 100644
--- a/libsemanage/src/modules.h
+++ b/libsemanage/src/modules.h
@@ -26,16 +26,9 @@
#include "semanage/modules.h"
-int semanage_module_install_pp(semanage_handle_t * sh,
- char *module_data, size_t data_len);
-int semanage_module_install_hll(semanage_handle_t * sh,
- char *module_data, size_t data_len, const char *name, const char *ext_lang);
-int semanage_module_upgrade(semanage_handle_t * sh,
- char *module_data, size_t data_len);
+
int semanage_module_upgrade_file(semanage_handle_t * sh,
const char *module_name);
-int semanage_module_install_base(semanage_handle_t * sh,
- char *module_data, size_t data_len);
int semanage_module_install_base_file(semanage_handle_t * sh,
const char *module_name);
diff --git a/libsemanage/src/semanageswig_python.i b/libsemanage/src/semanageswig_python.i
index 8dd79fc24213..5f0113966962 100644
--- a/libsemanage/src/semanageswig_python.i
+++ b/libsemanage/src/semanageswig_python.i
@@ -30,8 +30,6 @@
%}
%include "stdint.i"
-%ignore semanage_module_install_pp;
-%ignore semanage_module_install_hll;
%wrapper %{
--
2.29.0

100
0002-libsemanage-Drop-deprecated-functions.patch Normal file
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@ -0,0 +1,100 @@
From c08b73d7183e2dbab0ba43c3df32f4214abbc9c6 Mon Sep 17 00:00:00 2001
From: Petr Lautrbach <plautrba@redhat.com>
Date: Fri, 9 Oct 2020 15:00:51 +0200
Subject: [PATCH] libsemanage: Drop deprecated functions
semanage_module_enable() and semanage_module_disable() were deprecated
by commit 9fbc6d14418f ("libsemanage: add back original module
enable/disable functions for ABI compatability") in 2014 in order to
preserve ABI compatibility. As we the libsemanage ABI is changed by the
previous commit, it makes sense to drop them completely.
Signed-off-by: Petr Lautrbach <plautrba@redhat.com>
---
libsemanage/src/libsemanage.map | 2 --
libsemanage/src/modules.c | 56 ---------------------------------
2 files changed, 58 deletions(-)
diff --git a/libsemanage/src/libsemanage.map b/libsemanage/src/libsemanage.map
index 4bec06aaae27..3ea7b60f97bb 100644
--- a/libsemanage/src/libsemanage.map
+++ b/libsemanage/src/libsemanage.map
@@ -165,8 +165,6 @@ LIBSEMANAGE_1.0 {
semanage_is_connected;
semanage_is_managed;
semanage_mls_enabled;
- semanage_module_disable;
- semanage_module_enable;
semanage_module_get_name;
semanage_module_get_version;
semanage_module_info_datum_destroy;
diff --git a/libsemanage/src/modules.c b/libsemanage/src/modules.c
index 8b36801038df..b6dd456cac32 100644
--- a/libsemanage/src/modules.c
+++ b/libsemanage/src/modules.c
@@ -734,62 +734,6 @@ int semanage_module_set_enabled(semanage_handle_t *sh,
}
-/* This function exists only for ABI compatibility. It has been deprecated and
- * should not be used. Instead, use semanage_module_set_enabled() */
-int semanage_module_enable(semanage_handle_t *sh, char *module_name)
-{
- int rc = -1;
- semanage_module_key_t *modkey = NULL;
-
- rc = semanage_module_key_create(sh, &modkey);
- if (rc != 0)
- goto exit;
-
- rc = semanage_module_key_set_name(sh, modkey, module_name);
- if (rc != 0)
- goto exit;
-
- rc = semanage_module_set_enabled(sh, modkey, 1);
- if (rc != 0)
- goto exit;
-
- rc = 0;
-
-exit:
- semanage_module_key_destroy(sh, modkey);
- free(modkey);
-
- return rc;
-}
-
-/* This function exists only for ABI compatibility. It has been deprecated and
- * should not be used. Instead, use semanage_module_set_enabled() */
-int semanage_module_disable(semanage_handle_t *sh, char *module_name)
-{
- int rc = -1;
- semanage_module_key_t *modkey = NULL;
-
- rc = semanage_module_key_create(sh, &modkey);
- if (rc != 0)
- goto exit;
-
- rc = semanage_module_key_set_name(sh, modkey, module_name);
- if (rc != 0)
- goto exit;
-
- rc = semanage_module_set_enabled(sh, modkey, 0);
- if (rc != 0)
- goto exit;
-
- rc = 0;
-
-exit:
- semanage_module_key_destroy(sh, modkey);
- free(modkey);
-
- return rc;
-}
-
/* Converts a string to a priority
*
* returns -1 if str is not a valid priority.
--
2.29.0

45
0003-libsemanage-Bump-libsemanage.so-version.patch Normal file
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@ -0,0 +1,45 @@
From 6ebb35d261eaa8701b53b9f68184b05de8dfd868 Mon Sep 17 00:00:00 2001
From: Petr Lautrbach <plautrba@redhat.com>
Date: Fri, 9 Oct 2020 15:00:52 +0200
Subject: [PATCH] libsemanage: Bump libsemanage.so version
Previous commits removed some symbols and broke ABI, therefore we need to change
SONAME.
See the following quotes from distribution guidelines:
https://www.debian.org/doc/debian-policy/ch-sharedlibs.html#run-time-shared-libraries
Every time the shared library ABI changes in a way that may break
binaries linked against older versions of the shared library, the SONAME
of the library and the corresponding name for the binary package
containing the runtime shared library should change.
https://docs.fedoraproject.org/en-US/packaging-guidelines/#_downstream_so_name_versioning
When new versions of the library are released, you should use an ABI
comparison tool to check for ABI differences in the built shared
libraries. If it detects any incompatibilities, bump the n number by
one.
Signed-off-by: Petr Lautrbach <plautrba@redhat.com>
---
libsemanage/src/Makefile | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libsemanage/src/Makefile b/libsemanage/src/Makefile
index a0eb3747d74b..ab6cae51f5c3 100644
--- a/libsemanage/src/Makefile
+++ b/libsemanage/src/Makefile
@@ -32,7 +32,7 @@ YACC = bison
YFLAGS = -d
VERSION = $(shell cat ../VERSION)
-LIBVERSION = 1
+LIBVERSION = 2
LIBA=libsemanage.a
TARGET=libsemanage.so
--
2.29.0

6
0001-libsemanage-Fix-RESOURCE_LEAK-and-USE_AFTER_FREE-cov.patch → 0004-libsemanage-Fix-RESOURCE_LEAK-and-USE_AFTER_FREE-cov.patch
View File

@ -1,4 +1,4 @@
From 4a8aa78cd21b400c13b1895c03a97a8974aeff47 Mon Sep 17 00:00:00 2001
From fc966a746653cc15a14d1e1a80f01fc2f567ee08 Mon Sep 17 00:00:00 2001
From: Petr Lautrbach <plautrba@redhat.com>
Date: Wed, 7 Nov 2018 18:17:34 +0100
Subject: [PATCH] libsemanage: Fix RESOURCE_LEAK and USE_AFTER_FREE coverity
@ -9,7 +9,7 @@ Subject: [PATCH] libsemanage: Fix RESOURCE_LEAK and USE_AFTER_FREE coverity
1 file changed, 8 insertions(+), 13 deletions(-)
diff --git a/libsemanage/src/direct_api.c b/libsemanage/src/direct_api.c
index 1088a0ac6165..79aa72b98cf5 100644
index d2b91fb24292..f445cd4d6fb5 100644
--- a/libsemanage/src/direct_api.c
+++ b/libsemanage/src/direct_api.c
@@ -1028,7 +1028,7 @@ static int semanage_direct_write_langext(semanage_handle_t *sh,
@ -62,5 +62,5 @@ index 1088a0ac6165..79aa72b98cf5 100644
}
--
2.23.0
2.29.0

29
libsemanage.spec
View File

@ -1,5 +1,5 @@
%define libsepolver 3.1-3
%define libselinuxver 3.1-2
%define libsepolver 3.1-4
%define libselinuxver 3.1-4
Summary: SELinux binary policy manipulation library
Name: libsemanage
@ -10,7 +10,10 @@ Source0: https://github.com/SELinuxProject/selinux/releases/download/20200710/li
# fedora-selinux/selinux: git format-patch -N libsemanage-3.1 -- libsemanage
# i=1; for j in 00*patch; do printf "Patch%04d: %s\n" $i $j; i=$((i+1));done
# Patch list start
Patch0001: 0001-libsemanage-Fix-RESOURCE_LEAK-and-USE_AFTER_FREE-cov.patch
Patch0001: 0001-libsemanage-Remove-legacy-and-duplicate-symbols.patch
Patch0002: 0002-libsemanage-Drop-deprecated-functions.patch
Patch0003: 0003-libsemanage-Bump-libsemanage.so-version.patch
Patch0004: 0004-libsemanage-Fix-RESOURCE_LEAK-and-USE_AFTER_FREE-cov.patch
# Patch list end
URL: https://github.com/SELinuxProject/selinux/wiki
Source1: semanage.conf
@ -51,6 +54,12 @@ Requires: libsemanage-devel%{_isa} = %{version}-%{release}
The semanage-static package contains the static libraries
needed for developing applications that manipulate binary policies.
%package compat
Summary: Temporary compat libsemanage.so.1 used for transition to libsemanage.so.2
%description compat
Temporary compat libsemanage.so.1 used for transition to libsemanage.so.2
%package devel
Summary: Header files and libraries used to build policy manipulation tools
Requires: %{name}%{?_isa} = %{version}-%{release}
@ -78,8 +87,6 @@ SELinux management applications.
%build
# Disable LTO
%define _lto_cflags %{nil}
%set_build_flags
CFLAGS="$CFLAGS -fno-semantic-interposition"
@ -124,14 +131,19 @@ InstallPythonWrapper \
$(python3-config --extension-suffix)
cp %{SOURCE1} ${RPM_BUILD_ROOT}/etc/selinux/semanage.conf
ln -sf %{_libdir}/libsemanage.so.1 ${RPM_BUILD_ROOT}/%{_libdir}/libsemanage.so
%set_build_flags
CFLAGS="$CFLAGS -fno-semantic-interposition"
sed -i 's/LIBVERSION = 2/LIBVERSION = 1/' src/Makefile
%make_build
cp src/libsemanage.so.1 ${RPM_BUILD_ROOT}/%{_libdir}/libsemanage.so.1
%files
%{!?_licensedir:%global license %%doc}
%license COPYING
%dir %{_sysconfdir}/selinux
%config(noreplace) %{_sysconfdir}/selinux/semanage.conf
%{_libdir}/libsemanage.so.1
%{_libdir}/libsemanage.so.2
%{_mandir}/man5/*
%{_mandir}/ru/man5/*
%dir %{_libexecdir}/selinux
@ -143,6 +155,9 @@ ln -sf %{_libdir}/libsemanage.so.1 ${RPM_BUILD_ROOT}/%{_libdir}/libsemanage.so
%files static
%{_libdir}/libsemanage.a
%files compat
%{_libdir}/libsemanage.so.1
%files devel
%{_libdir}/libsemanage.so
%{_libdir}/pkgconfig/libsemanage.pc