#include <unistd.h>
#include <malloc.h>
#include <sys/un.h>
+
#ifdef HAVE_SELINUX
#include <selinux/selinux.h>
#include <selinux/label.h>
return r;
}
-int mac_selinux_get_child_mls_label(int socket_fd, const char *exe, char **label) {
+int mac_selinux_get_child_mls_label(int socket_fd, const char *exe, const char *exec_label, char **label) {
int r = -EOPNOTSUPP;
#ifdef HAVE_SELINUX
if (r < 0)
return -errno;
- r = getexeccon(&fcon);
- if (r < 0)
- return -errno;
-
- if (!fcon) {
+ if (!exec_label) {
/* If there is no context set for next exec let's use context
of target executable */
r = getfilecon(exe, &fcon);
if (!label_hnd)
return 0;
- r = selabel_lookup_raw(label_hnd, &filecon, path, mode);
- if (r < 0 && errno != ENOENT)
+ if (path_is_absolute(path))
+ r = selabel_lookup_raw(label_hnd, &filecon, path, mode);
+ else {
+ _cleanup_free_ char *newpath;
+
+ newpath = path_make_absolute_cwd(path);
+ if (!newpath)
+ return -ENOMEM;
+
+ r = selabel_lookup_raw(label_hnd, &filecon, newpath, mode);
+ }
+
+ /* No context specified by the policy? Proceed without setting it. */
+ if (r < 0 && errno == ENOENT)
+ return 0;
+
+ if (r < 0)
r = -errno;
- else if (r == 0) {
+ else {
r = setfscreatecon(filecon);
if (r < 0) {
log_enforcing("Failed to set SELinux security context %s for %s: %m", filecon, path);
#endif
}
-int mac_selinux_mkdir(const char *path, mode_t mode) {
-
- /* Creates a directory and labels it according to the SELinux policy */
-
-#ifdef HAVE_SELINUX
- _cleanup_security_context_free_ security_context_t fcon = NULL;
- int r;
-
- assert(path);
-
- if (!label_hnd)
- goto skipped;
-
- if (path_is_absolute(path))
- r = selabel_lookup_raw(label_hnd, &fcon, path, S_IFDIR);
- else {
- _cleanup_free_ char *newpath;
-
- newpath = path_make_absolute_cwd(path);
- if (!newpath)
- return -ENOMEM;
-
- r = selabel_lookup_raw(label_hnd, &fcon, newpath, S_IFDIR);
- }
-
- if (r == 0)
- r = setfscreatecon(fcon);
-
- if (r < 0 && errno != ENOENT) {
- log_enforcing("Failed to set SELinux security context %s for %s: %m", fcon, path);
-
- if (security_getenforce() == 1) {
- r = -errno;
- goto finish;
- }
- }
-
- r = mkdir(path, mode);
- if (r < 0)
- r = -errno;
-
-finish:
- setfscreatecon(NULL);
- return r;
-
-skipped:
-#endif
- return mkdir(path, mode) < 0 ? -errno : 0;
-}
-
int mac_selinux_bind(int fd, const struct sockaddr *addr, socklen_t addrlen) {
/* Binds a socket and label its file system object according to the SELinux policy */