diff options
| -rw-r--r-- | src/sysexec.h | 13 | ||||
| -rw-r--r-- | src/uanytun.c | 2 |
2 files changed, 13 insertions, 2 deletions
diff --git a/src/sysexec.h b/src/sysexec.h index 2b01bc8..04226a1 100644 --- a/src/sysexec.h +++ b/src/sysexec.h @@ -56,11 +56,22 @@ int exec_script(const char* script, const char* ifname) if(dup(fd) == -1) // stderr log_printf(WARNING, "can't open stderr"); } - return execl("/bin/sh", "/bin/sh", script, ifname, NULL); + execl("/bin/sh", "/bin/sh", script, ifname, NULL); + // if execl return, an error occurred + log_printf(ERR, "error on executing script: %m"); + return -1; } int status = 0; waitpid(pid, &status, 0); + if(WIFEXITED(status)) + log_printf(NOTICE, "script '%s' returned %d", script, WEXITSTATUS(status)); + else if(WIFSIGNALED(status)) + log_printf(NOTICE, "script '%s' terminated after signal %d", script, WTERMSIG(status)); + else + log_printf(ERR, "executing script: unkown error"); + return status; + } #endif diff --git a/src/uanytun.c b/src/uanytun.c index c4a4f1b..d1919d6 100644 --- a/src/uanytun.c +++ b/src/uanytun.c @@ -362,8 +362,8 @@ int main(int argc, char* argv[]) log_printf(NOTICE, "dev of type '%s' opened, actual name is '%s'", tun_get_type_string(&dev), dev.actual_name_); if(opt.post_up_script_) { + log_printf(NOTICE, "executing post-up script '%s'", opt.post_up_script_); int ret = exec_script(opt.post_up_script_, dev.actual_name_); - log_printf(NOTICE, "post-up script returned %d", ret); } |