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Commit | Line | Data |
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400caafb CC |
1 | #define COMPAT_CODE_ACCESS |
2 | #include "../git-compat-util.h" | |
3 | ||
4 | /* Do the same thing access(2) does, but use the effective uid, | |
5 | * and don't make the mistake of telling root that any file is | |
6 | * executable. This version uses stat(2). | |
7 | */ | |
8 | int git_access(const char *path, int mode) | |
9 | { | |
10 | struct stat st; | |
11 | ||
12 | /* do not interfere a normal user */ | |
13 | if (geteuid()) | |
14 | return access(path, mode); | |
15 | ||
16 | if (stat(path, &st) < 0) | |
17 | return -1; | |
18 | ||
19 | /* Root can read or write any file. */ | |
20 | if (!(mode & X_OK)) | |
21 | return 0; | |
22 | ||
23 | /* Root can execute any file that has any one of the execute | |
24 | * bits set. | |
25 | */ | |
26 | if (st.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH)) | |
27 | return 0; | |
28 | ||
29 | errno = EACCES; | |
30 | return -1; | |
31 | } |