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Code

label: minor optimizations

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This commit is contained in:
Lennart Poettering 2014-02-19 16:13:42 +01:00
parent d5eff74097
commit 708e25e137
1 changed files with 11 additions and 16 deletions
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27
src/shared/label.c
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@ -137,7 +137,10 @@ int label_fix(const char *path, bool ignore_enoent, bool ignore_erofs) {
void label_finish(void) {
#ifdef HAVE_SELINUX
if (use_selinux() && label_hnd)
if (!use_selinux())
return;
if (label_hnd)
selabel_close(label_hnd);
#endif
}
@ -260,8 +263,8 @@ int label_mkdir(const char *path, mode_t mode) {
/* Creates a directory and labels it according to the SELinux policy */
#ifdef HAVE_SELINUX
int r;
security_context_t fcon = NULL;
int r;
if (!use_selinux() || !label_hnd)
goto skipped;
@ -269,14 +272,13 @@ int label_mkdir(const char *path, mode_t mode) {
if (path_is_absolute(path))
r = selabel_lookup_raw(label_hnd, &fcon, path, S_IFDIR);
else {
char *newpath;
_cleanup_free_ char *newpath;
newpath = path_make_absolute_cwd(path);
if (!newpath)
return -ENOMEM;
r = selabel_lookup_raw(label_hnd, &fcon, newpath, S_IFDIR);
free(newpath);
}
if (r == 0)
@ -311,10 +313,10 @@ int label_bind(int fd, const struct sockaddr *addr, socklen_t addrlen) {
/* Binds a socket and label its file system object according to the SELinux policy */
#ifdef HAVE_SELINUX
int r;
security_context_t fcon = NULL;
const struct sockaddr_un *un;
char *path = NULL;
char *path;
int r;
assert(fd >= 0);
assert(addr);
@ -336,24 +338,18 @@ int label_bind(int fd, const struct sockaddr *addr, socklen_t addrlen) {
if (un->sun_path[0] == 0)
goto skipped;
path = strndup(un->sun_path, addrlen - offsetof(struct sockaddr_un, sun_path));
if (!path)
return -ENOMEM;
path = strndupa(un->sun_path, addrlen - offsetof(struct sockaddr_un, sun_path));
if (path_is_absolute(path))
r = selabel_lookup_raw(label_hnd, &fcon, path, S_IFSOCK);
else {
char *newpath;
_cleanup_free_ char *newpath;
newpath = path_make_absolute_cwd(path);
if (!newpath) {
free(path);
if (!newpath)
return -ENOMEM;
}
r = selabel_lookup_raw(label_hnd, &fcon, newpath, S_IFSOCK);
free(newpath);
}
if (r == 0)
@ -375,7 +371,6 @@ int label_bind(int fd, const struct sockaddr *addr, socklen_t addrlen) {
finish:
setfscreatecon(NULL);
freecon(fcon);
free(path);
return r;