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varlink: add varlink_get_peer_gid() helper

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Lennart Poettering 2023-12-19 13:12:14 +01:00
parent b3a8264831
commit 52bd61373b
2 changed files with 19 additions and 1 deletions
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19
src/shared/varlink.c
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@ -2807,12 +2807,29 @@ int varlink_get_peer_uid(Varlink *v, uid_t *ret) {
return varlink_log_errno(v, r, "Failed to acquire credentials: %m");
if (!uid_is_valid(v->ucred.uid))
return varlink_log_errno(v, SYNTHETIC_ERRNO(ENODATA), "Peer uid is invalid.");
return varlink_log_errno(v, SYNTHETIC_ERRNO(ENODATA), "Peer UID is invalid.");
*ret = v->ucred.uid;
return 0;
}
int varlink_get_peer_gid(Varlink *v, gid_t *ret) {
int r;
assert_return(v, -EINVAL);
assert_return(ret, -EINVAL);
r = varlink_acquire_ucred(v);
if (r < 0)
return varlink_log_errno(v, r, "Failed to acquire credentials: %m");
if (!gid_is_valid(v->ucred.gid))
return varlink_log_errno(v, SYNTHETIC_ERRNO(ENODATA), "Peer GID is invalid.");
*ret = v->ucred.gid;
return 0;
}
int varlink_get_peer_pid(Varlink *v, pid_t *ret) {
int r;

1
src/shared/varlink.h
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@ -173,6 +173,7 @@ void* varlink_set_userdata(Varlink *v, void *userdata);
void* varlink_get_userdata(Varlink *v);
int varlink_get_peer_uid(Varlink *v, uid_t *ret);
int varlink_get_peer_gid(Varlink *v, gid_t *ret);
int varlink_get_peer_pid(Varlink *v, pid_t *ret);
int varlink_get_peer_pidref(Varlink *v, PidRef *ret);