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Fix openat. #201

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Fix openat. #201

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e1c14c7
Fix URL of MIT pcap data.
gconnell Jan 8, 2019
819925a
Add openat() seccomp.
gconnell Jan 22, 2019
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5 changes: 2 additions & 3 deletions integration_test/test.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,7 @@ PORT="${PORT-9123}"
BASEDIR="${BASEDIR-/tmp}"
SKIP_CLEANUP="${SKIP_CLEANUP}"
SANITIZE="${SANITIZE}"
PCAP_URL="ftp://ftp.ll.mit.edu/outgoing/darpa/data/2000/LLS_DDOS_1.0/data_and_labeling/tcpdump_inside/LLS_DDOS_1.0-inside.dump.gz"

set -e
cd $(dirname $0)
Expand All @@ -27,9 +28,7 @@ source ../lib.sh
function PullDownTestData {
if [ ! -f $BASEDIR/steno_integration_test.pcap ]; then
Info "Pulling down pcap data"
# Test data pulled from
# http://www.ll.mit.edu/mission/communications/cyber/CSTcorpora/ideval/data/2000/LLS_DDOS_1.0.html
curl -L 'http://www.ll.mit.edu/mission/communications/cyber/CSTcorpora/ideval/data/2000/LLS_DDOS_1.0/data_and_labeling/tcpdump_inside/LLS_DDOS_1.0-inside.dump.gz' > $BASEDIR/steno_integration_test.pcap.gz
curl -L "$PCAP_URL" > $BASEDIR/steno_integration_test.pcap.gz
gunzip $BASEDIR/steno_integration_test.pcap.gz
fi
}
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5 changes: 5 additions & 0 deletions stenotype/stenotype.cc
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Expand Up @@ -370,6 +370,11 @@ void DropPacketThreadPrivileges() {
ctx, SCMP_ACT_ALLOW, SCMP_SYS(open), 2,
SCMP_A1(SCMP_CMP_EQ, O_WRONLY | O_CREAT | O_DSYNC | O_DIRECT),
SCMP_A2(SCMP_CMP_EQ, 0600));
SECCOMP_RULE_ADD(
ctx, SCMP_ACT_ALLOW, SCMP_SYS(openat), 3,
SCMP_A0(SCMP_CMP_EQ, AT_FDCWD),
SCMP_A2(SCMP_CMP_EQ, O_WRONLY | O_CREAT | O_DSYNC | O_DIRECT),
SCMP_A3(SCMP_CMP_EQ, 0600));
SECCOMP_RULE_ADD(ctx, SCMP_ACT_ALLOW, SCMP_SYS(getsockopt), 0);
SECCOMP_RULE_ADD(ctx, SCMP_ACT_ALLOW, SCMP_SYS(rename), 0);
#ifdef TESTIMONY
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