nsjail: ignore SIGTTIN/SIGTTOU

2018-02-15 01:33:33 +01:00 · 2018-02-15 01:33:33 +01:00 · dc5e6676a7
commit dc5e6676a7
parent a2d0e706d8
2 changed files with 6 additions and 0 deletions
--- a/nsjail.cc
+++ b/nsjail.cc
@ -65,6 +65,10 @@ static bool nsjailSetSigHandler(int sig) {
 	sa.sa_mask = smask;
 	sa.sa_flags = 0;
 	sa.sa_restorer = NULL;
+
+	if (sig == SIGTTIN || sig == SIGTTOU) {
+		sa.sa_handler = SIG_IGN;
+	};
 	if (sigaction(sig, &sa, NULL) == -1) {
 		PLOG_E("sigaction(%d)", sig);
 		return false;
--- a/nsjail.h
+++ b/nsjail.h
@ -44,6 +44,8 @@ static const int nssigs[] = {
    SIGALRM,
    SIGCHLD,
    SIGTERM,
+    SIGTTIN,
+    SIGTTOU,
 };

 struct pids_t {