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authorLennart Poettering <lennart@poettering.net>2017-12-02 13:07:18 +0100
committerSven Eden <yamakuzure@gmx.net>2017-12-02 13:07:18 +0100
commita4a32b7b726008bf96347d17be080d0406d7fe6e (patch)
tree9e765816f81e73e897c496b3cd3334d7364f5dae /src/basic/user-util.h
parent9fe3995e8e2f9f4159c693663b9cc08dc37ff3f1 (diff)
nss-elogind: tweak checks when we consult PID 1 for dynamic UID/GID lookups
Instead of contacting PID 1 for dynamic UID/GID lookups for all UIDs/GIDs that do not qualify as "system" do the more precise check instead: check if they actually qualify for the "dynamic" range.
Diffstat (limited to 'src/basic/user-util.h')
-rw-r--r--src/basic/user-util.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/basic/user-util.h b/src/basic/user-util.h
index b619239b8..d97f4821a 100644
--- a/src/basic/user-util.h
+++ b/src/basic/user-util.h
@@ -71,6 +71,10 @@ static inline bool uid_is_dynamic(uid_t uid) {
return DYNAMIC_UID_MIN <= uid && uid <= DYNAMIC_UID_MAX;
}
+static inline bool gid_is_dynamic(gid_t gid) {
+ return uid_is_dynamic((uid_t) gid);
+}
+
static inline bool uid_is_system(uid_t uid) {
return uid <= SYSTEM_UID_MAX;
}