diff options
Diffstat (limited to 'pkg/rootless/rootless_linux.c')
| -rw-r--r-- | pkg/rootless/rootless_linux.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/pkg/rootless/rootless_linux.c b/pkg/rootless/rootless_linux.c index eb62d55e9..c409e3343 100644 --- a/pkg/rootless/rootless_linux.c +++ b/pkg/rootless/rootless_linux.c @@ -295,7 +295,7 @@ static void __attribute__((constructor)) init() uid = geteuid (); gid = getegid (); - sprintf (path, "/proc/%d/ns/user", pid); + sprintf (path, "/proc/%ld/ns/user", pid); fd = open (path, O_RDONLY); if (fd < 0 || setns (fd, 0) < 0) { @@ -305,7 +305,7 @@ static void __attribute__((constructor)) init() close (fd); /* Errors here cannot be ignored as we already joined a ns. */ - sprintf (path, "/proc/%d/ns/mnt", pid); + sprintf (path, "/proc/%ld/ns/mnt", pid); fd = open (path, O_RDONLY); if (fd < 0) { @@ -316,7 +316,7 @@ static void __attribute__((constructor)) init() r = setns (fd, 0); if (r < 0) { - fprintf (stderr, "cannot join mount namespace for %d: %s", pid, strerror (errno)); + fprintf (stderr, "cannot join mount namespace for %ld: %s", pid, strerror (errno)); exit (EXIT_FAILURE); } close (fd); @@ -416,9 +416,16 @@ create_pause_process (const char *pause_pid_file_path, char **argv) sprintf (pid_str, "%d", pid); - asprintf (&tmp_file_path, "%s.XXXXXX", pause_pid_file_path); + if (asprintf (&tmp_file_path, "%s.XXXXXX", pause_pid_file_path) < 0) + { + fprintf (stderr, "unable to print to string\n"); + kill (pid, SIGKILL); + _exit (EXIT_FAILURE); + } + if (tmp_file_path == NULL) { + fprintf (stderr, "temporary file path is NULL\n"); kill (pid, SIGKILL); _exit (EXIT_FAILURE); } @@ -426,6 +433,7 @@ create_pause_process (const char *pause_pid_file_path, char **argv) fd = mkstemp (tmp_file_path); if (fd < 0) { + fprintf (stderr, "error creating temporary file: %s\n", strerror (errno)); kill (pid, SIGKILL); _exit (EXIT_FAILURE); } @@ -433,6 +441,7 @@ create_pause_process (const char *pause_pid_file_path, char **argv) r = TEMP_FAILURE_RETRY (write (fd, pid_str, strlen (pid_str))); if (r < 0) { + fprintf (stderr, "cannot write to file descriptor: %s\n", strerror (errno)); kill (pid, SIGKILL); _exit (EXIT_FAILURE); } @@ -471,7 +480,7 @@ create_pause_process (const char *pause_pid_file_path, char **argv) close (fd); setenv ("_PODMAN_PAUSE", "1", 1); - execlp (argv[0], NULL); + execlp (argv[0], argv[0], NULL); /* If the execve fails, then do the pause here. */ do_pause (); @@ -693,7 +702,6 @@ reexec_in_user_namespace (int ready, char *pause_pid_file_path, char *file_to_re pid = syscall_clone (CLONE_NEWUSER|CLONE_NEWNS|SIGCHLD, NULL); if (pid < 0) { - FILE *fp; fprintf (stderr, "cannot clone: %s\n", strerror (errno)); check_proc_sys_userns_file (_max_user_namespaces); check_proc_sys_userns_file (_unprivileged_user_namespaces); |