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| author | Denys Vlasenko | 2015-01-26 15:45:48 +0100 |
|---|---|---|
| committer | Denys Vlasenko | 2015-01-26 15:45:48 +0100 |
| commit | 64b744997ef399809dc4c78ec45ddfbebde3e597 (patch) | |
| tree | de006a73e0bed81071349772a342962935277a0e /networking | |
| parent | 50a6d86520b2c45a70a3d0e2d19fde37c49d8c90 (diff) | |
| download | busybox-64b744997ef399809dc4c78ec45ddfbebde3e597.zip busybox-64b744997ef399809dc4c78ec45ddfbebde3e597.tar.gz | |
ftpd: prevent zombies. closes 7832
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'networking')
| -rw-r--r-- | networking/ftpd.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/networking/ftpd.c b/networking/ftpd.c index 6adcb1d..0c10e1f 100644 --- a/networking/ftpd.c +++ b/networking/ftpd.c @@ -1174,8 +1174,13 @@ int ftpd_main(int argc UNUSED_PARAM, char **argv) //umask(077); - admin can set umask before starting us - /* Signals. We'll always take -EPIPE rather than a rude signal, thanks */ - signal(SIGPIPE, SIG_IGN); + /* Signals */ + bb_signals(0 + /* We'll always take EPIPE rather than a rude signal, thanks */ + + (1 << SIGPIPE) + /* LIST command spawns chilren. Prevent zombies */ + + (1 << SIGCHLD) + , SIG_IGN); /* Set up options on the command socket (do we need these all? why?) */ setsockopt(STDIN_FILENO, IPPROTO_TCP, TCP_NODELAY, &const_int_1, sizeof(const_int_1)); |