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Commit | Line | Data |
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f7f3304a | 1 | #include "squid.h" |
27bc2077 | 2 | #include "compat/initgroups.h" |
e3d74828 | 3 | |
4 | #if HAVE_GRP_H | |
5 | #include <grp.h> | |
6 | #endif | |
e3d74828 | 7 | #if HAVE_UNISTD_H |
8 | #include <unistd.h> | |
9 | #endif | |
10 | #if HAVE_STRING_H | |
11 | #include <string.h> | |
12 | #endif | |
13 | #if HAVE_STRINGS_H | |
14 | #include <strings.h> | |
15 | #endif | |
16 | #if HAVE_LIMITS_H | |
17 | #include <limits.h> | |
18 | #endif | |
19 | ||
20 | int initgroups(const char *name, gid_t basegid) | |
21 | { | |
32d002cb | 22 | #if HAVE_SETGROUPS |
e3d74828 | 23 | #ifndef NGROUPS_MAX |
24 | #define NGROUPS_MAX 16 | |
25 | #endif | |
26 | ||
27 | gid_t groups[NGROUPS_MAX]; | |
28 | struct group *g; | |
29 | int index = 0; | |
30 | ||
31 | setgrent(); | |
32 | ||
33 | groups[index++] = basegid; | |
34 | ||
35 | while (index < NGROUPS_MAX && ((g = getgrent()) != NULL)) { | |
26ac0430 AJ |
36 | if (g->gr_gid != basegid) { |
37 | char **names; | |
e3d74828 | 38 | |
26ac0430 | 39 | for (names = g->gr_mem; *names != NULL; ++names) { |
e3d74828 | 40 | |
26ac0430 AJ |
41 | if (!strcmp(*names, name)) |
42 | groups[index++] = g->gr_gid; | |
e3d74828 | 43 | |
26ac0430 AJ |
44 | } |
45 | } | |
e3d74828 | 46 | } |
47 | ||
48 | endgrent(); | |
49 | ||
50 | return setgroups(index, groups); | |
51 | ||
52 | #else | |
53 | ||
54 | return 0; | |
55 | ||
56 | #endif /* def HAVE_SETGROUPS */ | |
57 | } | |
58 |