SET_PERMS macros

1 files changed, 21 insertions, 0 deletions

diff --git a/src/firejail/firejail.h b/src/firejail/firejail.h
index 755ed4979..7be04f782 100644
--- a/src/firejail/firejail.h
+++ b/src/firejail/firejail.h
@@ -100,6 +100,27 @@
                 ASSERT_PERMS_FD(fd, uid, gid, (mode));\
         } while (0)
 
+#define SET_PERMS_FD(fd, uid, gid, mode) \
+        do { \
+                if (fchmod(fd, (mode)) == -1)   errExit("chmod");\
+                if (fchown(fd, uid, gid) == -1) errExit("chown");\
+        } while (0)
+#define SET_PERMS_STREAM(stream, uid, gid, mode) \
+        do { \
+                int fd = fileno(stream);\
+                if (fd == -1) errExit("fileno");\
+                SET_PERMS_FD(fd, uid, gid, (mode));\
+        } while (0)
+#define SET_PERMS_STREAM_NOERR(stream, uid, gid, mode) \
+        do { \
+                int fd = fileno(stream);\
+                if (fd == -1) continue;\
+                int rv = fchmod(fd, (mode));\
+                (void) rv;\
+                rv = fchown(fd, uid, gid);\
+                (void) rv;\
+        } while (0)
+
 // main.c
 typedef struct bridge_t {
         // on the host