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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-09 13:34:27 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-09 13:34:27 +0000
commit4dbdc42d9e7c3968ff7f690d00680419c9b8cb0f (patch)
tree47c1d492e9c956c1cd2b74dbd3b9d8b0db44dc4e /compat/access.c
parentInitial commit. (diff)
downloadgit-4dbdc42d9e7c3968ff7f690d00680419c9b8cb0f.tar.xz
git-4dbdc42d9e7c3968ff7f690d00680419c9b8cb0f.zip
Adding upstream version 1:2.43.0.upstream/1%2.43.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'compat/access.c')
-rw-r--r--compat/access.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/compat/access.c b/compat/access.c
new file mode 100644
index 0000000..19fda3e
--- /dev/null
+++ b/compat/access.c
@@ -0,0 +1,31 @@
+#define COMPAT_CODE_ACCESS
+#include "../git-compat-util.h"
+
+/* Do the same thing access(2) does, but use the effective uid,
+ * and don't make the mistake of telling root that any file is
+ * executable. This version uses stat(2).
+ */
+int git_access(const char *path, int mode)
+{
+ struct stat st;
+
+ /* do not interfere a normal user */
+ if (geteuid())
+ return access(path, mode);
+
+ if (stat(path, &st) < 0)
+ return -1;
+
+ /* Root can read or write any file. */
+ if (!(mode & X_OK))
+ return 0;
+
+ /* Root can execute any file that has any one of the execute
+ * bits set.
+ */
+ if (st.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH))
+ return 0;
+
+ errno = EACCES;
+ return -1;
+}