1 files changed, 57 insertions, 0 deletions

diff --git a/src/fcopy/main.c b/src/fcopy/main.c
index 5c4a76753..83d9c17e6 100644
--- a/src/fcopy/main.c
+++ b/src/fcopy/main.c
@@ -24,6 +24,15 @@
 #include <errno.h>
 #include <pwd.h>
 
+#if HAVE_SELINUX
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#include <selinux/context.h>
+#include <selinux/label.h>
+#include <selinux/selinux.h>
+#endif
+
 int arg_quiet = 0;
 int arg_debug = 0;
 static int arg_follow_link = 0;
@@ -36,6 +45,52 @@ static unsigned file_cnt = 0;
 static char *outpath = NULL;
 static char *inpath = NULL;
 
+#if HAVE_SELINUX
+static struct selabel_handle *label_hnd = NULL;
+static int selinux_enabled = -1;
+#endif
+
+// copy from firejail/selinux.c
+static void selinux_relabel_path(const char *path, const char *inside_path)
+{
+#if HAVE_SELINUX
+        char procfs_path[64];
+        char *fcon = NULL;
+        int fd;
+        struct stat st;
+
+        if (selinux_enabled == -1)
+                selinux_enabled = is_selinux_enabled();
+
+        if (!selinux_enabled)
+                return;
+
+        if (!label_hnd)
+                label_hnd = selabel_open(SELABEL_CTX_FILE, NULL, 0);
+
+        /* Open the file as O_PATH, to pin it while we determine and adjust the label */
+        fd = open(path, O_NOFOLLOW|O_CLOEXEC|O_PATH);
+        if (fd < 0)
+                return;
+        if (fstat(fd, &st) < 0)
+                goto close;
+
+        if (selabel_lookup_raw(label_hnd, &fcon, inside_path, st.st_mode)  == 0) {
+                sprintf(procfs_path, "/proc/self/fd/%i", fd);
+                if (arg_debug)
+                        printf("Relabeling %s as %s (%s)\n", path, inside_path, fcon);
+
+                setfilecon_raw(procfs_path, fcon);
+        }
+        freecon(fcon);
+ close:
+        close(fd);
+#else
+        (void) path;
+        (void) inside_path;
+#endif
+}
+
 // modified version of the function from util.c
 static void copy_file(const char *srcname, const char *destname, mode_t mode, uid_t uid, gid_t gid) {
         assert(srcname);
@@ -87,6 +142,8 @@ static void copy_file(const char *srcname, const char *destname, mode_t mode, ui
         close(src);
         close(dst);
 
+        selinux_relabel_path(destname, srcname);
+
         return;
 
 errexit: