diff --git a/libexec/pppoed/pppoed.c b/libexec/pppoed/pppoed.c index ce50ee416452..a3c6d375ac79 100644 --- a/libexec/pppoed/pppoed.c +++ b/libexec/pppoed/pppoed.c @@ -141,7 +141,7 @@ ConfigureNode(const char *prog, const char *iface, const char *provider, /* Get our list back */ resp = (struct ng_mesg *)rbuf; - if (NgRecvMsg(cs, resp, sizeof rbuf, NULL) < 0) { + if (NgRecvMsg(cs, resp, sizeof rbuf, NULL) <= 0) { perror("Cannot get netgraph response"); return EX_UNAVAILABLE; } @@ -359,11 +359,17 @@ Spawn(const char *prog, const char *acname, const char *provider, syslog(LOG_INFO, "Waiting for a SUCCESS reply %s", path); do { - if (NgRecvMsg(cs, rep, sizeof msgbuf, NULL) < 0) { + if ((ret = NgRecvMsg(cs, rep, sizeof msgbuf, NULL) < 0)) { syslog(LOG_ERR, "%s: Cannot receive a message: %m", path); _exit(EX_OSERR); } + if (ret == 0) { + /* The socket has been closed */ + syslog(LOG_INFO, "%s: Client timed out", path); + _exit(EX_TEMPFAIL); + } + if (rep->header.version != NG_VERSION) { syslog(LOG_ERR, "%ld: Unexpected netgraph version, expected %ld", (long)rep->header.version, (long)NG_VERSION);