stun

simple point to point tunnel
git clone git://git.2f30.org/stun.git
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commit f64e709e8160fdd72ec6ad4a456c98852cd75d50
parent 4c9ea459209408dce9a491304cf0e866882ee5b7
Author: sin <sin@2f30.org>
Date:   Fri Apr  8 15:18:12 +0100

disable core dumps as memory contains the pre-shared key

Diffstat:
stun.c | 7+++++++
1 file changed, 7 insertions(+), 0 deletions(-)
diff --git a/stun.c b/stun.c @@ -44,6 +44,7 @@ #include <sys/types.h> #include <sys/uio.h> #include <sys/ioctl.h> +#include <sys/resource.h> #include <sys/socket.h> #include <net/if.h> @@ -690,6 +691,7 @@ usage(void) int main(int argc, char *argv[]) { + struct rlimit rlim; char *arg, *pw; int devfd; @@ -738,6 +740,11 @@ main(int argc, char *argv[]) } devfd = opendev(argv[0]); + /* disable core dumps as memory contains the pre-shared key */ + rlim.rlim_cur = rlim.rlim_max = 0; + if (setrlimit(RLIMIT_CORE, &rlim) < 0) + logerr("failed to disable core dumps"); + if (!(pw = getenv("STUNPW"))) logerr("STUNPW is not set"); aeadinit(pw);