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-rw-r--r--src/shared/util.c34
-rw-r--r--src/shared/util.h1
2 files changed, 35 insertions, 0 deletions
diff --git a/src/shared/util.c b/src/shared/util.c
index 5c7204a567..19ca8ad135 100644
--- a/src/shared/util.c
+++ b/src/shared/util.c
@@ -726,6 +726,40 @@ int is_kernel_thread(pid_t pid) {
return 0;
}
+int get_process_capeff(pid_t pid, char **capeff) {
+ const char *p;
+ _cleanup_free_ char *status = NULL;
+ char *t = NULL;
+ int r;
+
+ assert(capeff);
+ assert(pid >= 0);
+
+ if (pid == 0)
+ p = "/proc/self/status";
+ else
+ p = procfs_file_alloca(pid, "status");
+
+ r = read_full_file(p, &status, NULL);
+ if (r < 0)
+ return r;
+
+ t = strstr(status, "\nCapEff:\t");
+ if (!t)
+ return -ENOENT;
+
+ for (t += strlen("\nCapEff:\t"); t[0] == '0'; t++)
+ continue;
+
+ if (t[0] == '\n')
+ t--;
+
+ *capeff = strndup(t, strchr(t, '\n') - t);
+ if (!*capeff)
+ return -ENOMEM;
+
+ return 0;
+}
int get_process_exe(pid_t pid, char **name) {
const char *p;
diff --git a/src/shared/util.h b/src/shared/util.h
index ddb21b4a9c..fac08ca43c 100644
--- a/src/shared/util.h
+++ b/src/shared/util.h
@@ -210,6 +210,7 @@ int get_process_cmdline(pid_t pid, size_t max_length, bool comm_fallback, char *
int get_process_exe(pid_t pid, char **name);
int get_process_uid(pid_t pid, uid_t *uid);
int get_process_gid(pid_t pid, gid_t *gid);
+int get_process_capeff(pid_t pid, char **capeff);
char hexchar(int x) _const_;
int unhexchar(char c) _const_;