systemctl: when inhibiting shutdown/suspend also check for other login sessions

2 files changed, 19 insertions, 0 deletions

diff --git a/src/shared/util.c b/src/shared/util.c
index 49b58444c7..a87828d451 100644
--- a/src/shared/util.c
+++ b/src/shared/util.c
@@ -4444,6 +4444,23 @@ int get_user_creds(
         return 0;
 }
 
+char* uid_to_name(uid_t uid) {
+        struct passwd *p;
+        char *r;
+
+        if (uid == 0)
+                return strdup("root");
+
+        p = getpwuid(uid);
+        if (p)
+                return strdup(p->pw_name);
+
+        if (asprintf(&r, "%lu", (unsigned long) uid) < 0)
+                return NULL;
+
+        return r;
+}
+
 int get_group_creds(const char **groupname, gid_t *gid) {
         struct group *g;
         gid_t id;
diff --git a/src/shared/util.h b/src/shared/util.h
index bb6602fb24..bbf744e900 100644
--- a/src/shared/util.h
+++ b/src/shared/util.h
@@ -433,6 +433,8 @@ int get_group_creds(const char **groupname, gid_t *gid);
 
 int in_group(const char *name);
 
+char* uid_to_name(uid_t uid);
+
 int glob_exists(const char *path);
 
 int dirent_ensure_type(DIR *d, struct dirent *de);