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| author | Shawn Routhier <sar@isc.org> | 2016-03-04 12:16:52 -0800 |
|---|---|---|
| committer | Shawn Routhier <sar@isc.org> | 2016-03-04 12:16:52 -0800 |
| commit | 0b209ea5cc333255e055113fa2ad636dda681a21 (patch) | |
| tree | 7b0d001c0f190be903a5cd14679ed5b2e37f1339 /omapip | |
| parent | cc1bd34e09bad3313a16d89f7ad491ff16754dc7 (diff) | |
| download | isc-dhcp-0b209ea5cc333255e055113fa2ad636dda681a21.tar.gz | |
[master] Add patch to limit the value of an fd we accept for a connection.
By limiting the highest value we accept for an fd we limit the number
of connections.
Diffstat (limited to 'omapip')
| -rw-r--r-- | omapip/listener.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/omapip/listener.c b/omapip/listener.c index 8bdcdbd7..61473cf5 100644 --- a/omapip/listener.c +++ b/omapip/listener.c @@ -3,7 +3,7 @@ Subroutines that support the generic listener object. */ /* - * Copyright (c) 2012,2014 by Internet Systems Consortium, Inc. ("ISC") + * Copyright (c) 2012,2014,2016 by Internet Systems Consortium, Inc. ("ISC") * Copyright (c) 2004,2007,2009 by Internet Systems Consortium, Inc. ("ISC") * Copyright (c) 1999-2003 by Internet Software Consortium * @@ -233,7 +233,12 @@ isc_result_t omapi_accept (omapi_object_t *h) return ISC_R_NORESOURCES; return ISC_R_UNEXPECTED; } - + + if ((MAX_FD_VALUE != 0) && (socket > MAX_FD_VALUE)) { + close(socket); + return (ISC_R_NORESOURCES); + } + #if defined (TRACING) /* If we're recording a trace, remember the connection. */ if (trace_record ()) { |