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From: bill.c.roberts@gmail.com
To: bill.c.roberts@gmail.com
Cc: nicolas.iooss@m4x.org, selinux@vger.kernel.org,
	william.c.roberts@intel.com
Subject: [PATCH 1/2] libsemanage: fix linker script symbol versions
Date: Mon, 13 Apr 2020 08:02:47 -0500	[thread overview]
Message-ID: <20200413130248.25296-1-william.c.roberts@intel.com> (raw)
In-Reply-To: <CAFftDdrJcmNoU6cJ56HRGeg-R6T3bfcxU1zU5xBEmMtxnHNgfw@mail.gmail.com>

From: William Roberts <william.c.roberts@intel.com>

In previous work to cleanup the exports and linker scripts, I introduced
a regression causing symbols to be named in both the 1.0 and 1.1
sections. This went un-noticed and was reported by
nicolas.iooss@m4x.org.

Previous patches checked for correctness by:
This was checked by generating an old export map (from master):
nm --defined-only -g ./src/libsemanage.so | cut -d' ' -f 3-3 | grep -v '^_' > old.map

Then creating a new one for this library after this patch is applied:
nm --defined-only -g ./src/libsemanage.so | cut -d' ' -f 3-3 | grep -v '^_' > new.map

And diffing them:
diff old.map new.map

However, this discards the version information. Nicolas points out a
better way, by using objdump so we can see the version information. A
better sequence of commands for checking is as follows:

git checkout 1967477913f6e
objdump -T ./src/libsemanage.so | grep LIBSEMANAGE | cut -d' ' -f 8- | sed 's/^ //' > map.old

git checkout origin/master
objdump -T ./src/libsemanage.so | grep LIBSEMANAGE | cut -d' ' -f 8- | sed 's/^ //' > map.new

diff map.old map.new

Signed-off-by: William Roberts <william.c.roberts@intel.com>
---
 libsemanage/src/libsemanage.map | 28 ----------------------------
 1 file changed, 28 deletions(-)

diff --git a/libsemanage/src/libsemanage.map b/libsemanage/src/libsemanage.map
index ff5977b9f483..8ba2746deaa2 100644
--- a/libsemanage/src/libsemanage.map
+++ b/libsemanage/src/libsemanage.map
@@ -76,10 +76,7 @@ LIBSEMANAGE_1.0 {
     semanage_fcontext_set_con;
     semanage_fcontext_set_expr;
     semanage_fcontext_set_type;
-    semanage_get_default_priority;
     semanage_get_disable_dontaudit;
-    semanage_get_hll_compiler_path;
-    semanage_get_ignore_module_cache;
     semanage_get_preserve_tunables;
     semanage_handle_create;
     semanage_handle_destroy;
@@ -170,39 +167,17 @@ LIBSEMANAGE_1.0 {
     semanage_mls_enabled;
     semanage_module_disable;
     semanage_module_enable;
-    semanage_module_extract;
     semanage_module_get_enabled;
-    semanage_module_get_module_info;
     semanage_module_get_name;
     semanage_module_get_version;
-    semanage_module_info_create;
     semanage_module_info_datum_destroy;
-    semanage_module_info_destroy;
-    semanage_module_info_get_enabled;
-    semanage_module_info_get_lang_ext;
-    semanage_module_info_get_name;
-    semanage_module_info_get_priority;
-    semanage_module_info_set_enabled;
-    semanage_module_info_set_lang_ext;
-    semanage_module_info_set_name;
-    semanage_module_info_set_priority;
     semanage_module_install;
     semanage_module_install_base;
     semanage_module_install_base_file;
     semanage_module_install_file;
-    semanage_module_install_info;
-    semanage_module_key_create;
-    semanage_module_key_destroy;
-    semanage_module_key_get_name;
-    semanage_module_key_get_priority;
-    semanage_module_key_set_name;
-    semanage_module_key_set_priority;
     semanage_module_list;
-    semanage_module_list_all;
     semanage_module_list_nth;
     semanage_module_remove;
-    semanage_module_remove_key;
-    semanage_module_set_enabled;
     semanage_module_upgrade;
     semanage_module_upgrade_file;
     semanage_msg_get_channel;
@@ -276,14 +251,11 @@ LIBSEMANAGE_1.0 {
     semanage_select_store;
     semanage_set_check_contexts;
     semanage_set_create_store;
-    semanage_set_default_priority;
     semanage_set_disable_dontaudit;
-    semanage_set_ignore_module_cache;
     semanage_set_preserve_tunables;
     semanage_set_rebuild;
     semanage_set_reload;
     semanage_set_root;
-    semanage_set_store_root;
     semanage_seuser_clone;
     semanage_seuser_compare;
     semanage_seuser_compare2;
-- 
2.17.1


  reply	other threads:[~2020-04-13 13:03 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-12 16:26 Duplicate versions of libsemanage symbols Nicolas Iooss
2020-04-12 16:45 ` William Roberts
2020-04-12 17:07   ` [PATCH] libsemanage: fix linker script symbol versions bill.c.roberts
2020-04-12 17:42     ` William Roberts
2020-04-12 18:47       ` Nicolas Iooss
2020-04-13 12:49         ` William Roberts
2020-04-13 13:02           ` bill.c.roberts [this message]
2020-04-13 13:04             ` [PATCH 1/2] " William Roberts
2020-04-13 13:03           ` [PATCH v2 " bill.c.roberts
2020-04-13 13:03             ` [PATCH v2 2/2] libsemanage: rm semanage_module_upgrade_info from map bill.c.roberts
2020-04-13 17:12             ` [PATCH v2 1/2] libsemanage: fix linker script symbol versions Nicolas Iooss
2020-04-13 17:39               ` William Roberts
2020-04-15 15:29                 ` William Roberts
2020-04-12 17:35   ` Duplicate versions of libsemanage symbols William Roberts

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