jail: call build_envp() just before execve()

Signed-off-by: Etienne CHAMPETIER <champetier.etienne@gmail.com>

diff --git a/jail/jail.c b/jail/jail.c
index 95d6237..e86ee14 100644 (file)
--- a/jail/jail.c
+++ b/jail/jail.c
@@ -230,10 +230,6 @@ and will only drop capabilities/apply seccomp filter.\n\n");
 
 static int exec_jail(void)
 {
-       char **envp = build_envp(opts.seccomp);
-       if (!envp)
-               exit(EXIT_FAILURE);
-
        if (opts.capabilities && drop_capabilities(opts.capabilities))
                exit(EXIT_FAILURE);
 
@@ -242,6 +238,10 @@ static int exec_jail(void)
                exit(EXIT_FAILURE);
        }
 
+       char **envp = build_envp(opts.seccomp);
+       if (!envp)
+               exit(EXIT_FAILURE);
+
        INFO("exec-ing %s\n", *opts.jail_argv);
        execve(*opts.jail_argv, opts.jail_argv, envp);
        /* we get there only if execve fails */