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daemon: reset gids too, not just uids

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This commit is contained in:
Lennart Poettering 2009-08-14 19:28:18 +02:00
parent fecd0dc801
commit a1598c742e
1 changed files with 8 additions and 0 deletions
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8
src/daemon/caps.c
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@ -57,21 +57,29 @@ void pa_drop_root(void) {
#ifdef HAVE_GETUID
uid_t uid;
gid_t gid;
pa_log_debug(_("Cleaning up privileges."));
uid = getuid();
gid = getgid();
#if defined(HAVE_SETRESUID)
pa_assert_se(setresuid(uid, uid, uid) >= 0);
pa_assert_se(setresgid(gid, gid, gid) >= 0);
#elif defined(HAVE_SETREUID)
pa_assert_se(setreuid(uid, uid) >= 0);
pa_assert_se(setregid(gid, gid) >= 0);
#else
pa_assert_se(setuid(uid) >= 0);
pa_assert_se(seteuid(uid) >= 0);
pa_assert_se(setgid(gid) >= 0);
pa_assert_se(setegid(gid) >= 0);
#endif
pa_assert_se(getuid() == uid);
pa_assert_se(geteuid() == uid);
pa_assert_se(getgid() == gid);
pa_assert_se(getegid() == gid);
#endif
#ifdef HAVE_SYS_PRCTL_H