preload-seccomp: Use proper log level for error messages

[project/procd.git] / jail / seccomp.c

diff --git a/jail/seccomp.c b/jail/seccomp.c
index dcd19ec..27bf3ce 100644 (file)
--- a/jail/seccomp.c
+++ b/jail/seccomp.c
@@ -67,13 +67,13 @@ int install_syscall_filter(const char *argv, const char *file)
 
        blob_buf_init(&b, 0);
        if (!blobmsg_add_json_from_file(&b, file)) {
-               INFO("%s: failed to load %s\n", argv, file);
+               ERROR("%s: failed to load %s\n", argv, file);
                return -1;
        }
 
        blobmsg_parse(policy, __SECCOMP_MAX, tb, blob_data(b.head), blob_len(b.head));
        if (!tb[SECCOMP_WHITELIST]) {
-               INFO("%s: %s is missing the syscall table\n", argv, file);
+               ERROR("%s: %s is missing the syscall table\n", argv, file);
                return -1;
        }
 
@@ -85,7 +85,7 @@ int install_syscall_filter(const char *argv, const char *file)
 
        filter = calloc(sz, sizeof(struct sock_filter));
        if (!filter) {
-               INFO("failed to allocate filter memory\n");
+               ERROR("failed to allocate filter memory\n");
                return -1;
        }
 
@@ -118,14 +118,14 @@ int install_syscall_filter(const char *argv, const char *file)
        }
 
        if (default_policy)
-               /* return -1 and set errno */
-               set_filter(&filter[idx], BPF_RET + BPF_K, 0, 0, SECCOMP_RET_LOGGER(default_policy));
+               /* notify tracer; without tracer return -1 and set errno to ENOSYS */
+               set_filter(&filter[idx], BPF_RET + BPF_K, 0, 0, SECCOMP_RET_TRACE);
        else
                /* kill the process */
                set_filter(&filter[idx], BPF_RET + BPF_K, 0, 0, SECCOMP_RET_KILL);
 
        if (prctl(PR_SET_NO_NEW_PRIVS, 1, 0, 0, 0)) {
-               INFO("%s: prctl(PR_SET_NO_NEW_PRIVS) failed: %s\n", argv, strerror(errno));
+               ERROR("%s: prctl(PR_SET_NO_NEW_PRIVS) failed: %s\n", argv, strerror(errno));
                return errno;
        }
 
@@ -133,7 +133,7 @@ int install_syscall_filter(const char *argv, const char *file)
        prog.filter = filter;
 
        if (prctl(PR_SET_SECCOMP, SECCOMP_MODE_FILTER, &prog)) {
-               INFO("%s: prctl(PR_SET_SECCOMP) failed: %s\n", argv, strerror(errno));
+               ERROR("%s: prctl(PR_SET_SECCOMP) failed: %s\n", argv, strerror(errno));
                return errno;
        }
        return 0;