fixed a HUGE memory leak in install binary(#447410)

This commit is contained in:
Ondrej Vasik 2008-05-20 15:07:43 +00:00
parent 07ce6e0dfb
commit 26314cd521
2 changed files with 93 additions and 1 deletions

View File

@ -0,0 +1,86 @@
diff -urNp coreutils-6.11-orig/src/install.c coreutils-6.11/src/install.c
--- coreutils-6.11-orig/src/install.c 2008-05-20 16:08:03.000000000 +0200
+++ coreutils-6.11/src/install.c 2008-05-20 16:12:27.000000000 +0200
@@ -85,6 +85,7 @@ static bool install_file_in_dir (const c
const struct cp_options *x);
static bool install_file_in_file (const char *from, const char *to,
const struct cp_options *x);
+static void set_prefix (const char* from_dir, const char* to_dir);
static void get_ids (void);
static void strip (char const *name);
static void announce_mkdir (char const *dir, void *options);
@@ -200,25 +201,25 @@ cp_option_init (struct cp_options *x)
x->src_info = NULL;
}
-/* Modify file context to match the specified policy.
- If an error occurs the file will remain with the default directory
- context. */
-static void
-setdefaultfilecon (char const *file)
+static void
+set_prefix (char const *from_dir, char const *to_dir)
{
+ const char *from_base = last_component (from_dir);
+ char *file = file_name_concat (to_dir, from_base, NULL);
struct stat st;
- security_context_t scontext = NULL;
+
if (selinux_enabled != 1)
{
/* Indicate no context found. */
return;
}
+
if (lstat (file, &st) != 0)
return;
if (IS_ABSOLUTE_FILE_NAME (file))
{
- /* Calling matchpathcon_init_prefix (NULL, "/first_component/")
+ /* Calling matchpathcon_init_prefix (NULL, "/first_component/")
is an optimization to minimize the expense of the following
matchpathcon call. */
char const *p0;
@@ -248,6 +249,26 @@ setdefaultfilecon (char const *file)
}
}
+ return;
+}
+
+/* Modify file context to match the specified policy.
+ If an error occurs the file will remain with the default directory
+ context. */
+static void
+setdefaultfilecon (char const *file)
+{
+ struct stat st;
+ security_context_t scontext = NULL;
+ return;
+ if (selinux_enabled != 1)
+ {
+ /* Indicate no context found. */
+ return;
+ }
+ if (lstat (file, &st) != 0)
+ return;
+
/* If there's an error determining the context, or it has none,
return to allow default context */
if ((matchpathcon (file, st.st_mode, &scontext) != 0) ||
@@ -526,9 +547,13 @@ main (int argc, char **argv)
{
int i;
dest_info_init (&x);
- for (i = 0; i < n_files; i++)
+ set_prefix (file[0], target_directory);
+ for (i = 0; i < n_files; i++) {
if (! install_file_in_dir (file[i], target_directory, &x))
exit_status = EXIT_FAILURE;
+ }
+ if (selinux_enabled)
+ matchpathcon_fini();
}
}

View File

@ -1,7 +1,7 @@
Summary: The GNU core utilities: a set of tools commonly used in shell scripts
Name: coreutils
Version: 6.11
Release: 3%{?dist}
Release: 4%{?dist}
License: GPLv3+
Group: System Environment/Base
Url: http://www.gnu.org/software/coreutils/
@ -51,6 +51,7 @@ Patch916: coreutils-getfacl-exit-code.patch
#(upstream did some SELinux implementation unlike with RedHat patch)
Patch950: coreutils-selinux.patch
Patch951: coreutils-selinuxmanpages.patch
Patch952: coreutils-6.11-matchpathconinstall.patch
BuildRequires: libselinux-devel >= 1.25.6-1
BuildRequires: libacl-devel
@ -128,6 +129,8 @@ cd %name-%version
#SELinux
%patch950 -p1 -b .selinux
%patch951 -p1 -b .selinuxman
%patch952 -p1 -b .matchcon
chmod a+x tests/sort/sort-mb-tests
chmod a+x tests/misc/id-context
@ -307,6 +310,9 @@ fi
/sbin/runuser
%changelog
* Tue May 20 2008 Ondrej Vasik <ovasik@redhat.com> - 6.11-4
- fixed a HUGE memory leak in install binary(#447410)
* Mon May 19 2008 Ondrej Vasik <ovasik@redhat.com> - 6.11-3
- added arch utility (from util-linux-ng)
- do not show executable file types without executable bit