diff options
Diffstat (limited to 'src/shared')
-rw-r--r-- | src/shared/util.c | 34 | ||||
-rw-r--r-- | src/shared/util.h | 1 |
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_; |