31 lines
669 B
C
31 lines
669 B
C
#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;
|
|
}
|