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| author | Nick Mathewson <nickm@torproject.org> | 2017-07-05 13:09:21 -0400 |
|---|---|---|
| committer | Nick Mathewson <nickm@torproject.org> | 2017-07-05 13:09:21 -0400 |
| commit | 16d2bce89310d68804bacabf5e87a90e8f7322af (patch) | |
| tree | 11e31a4b3fbef272dcd105f83a20fb4fa6b443d1 | |
| parent | bb97f680e74170673246b3de32e847ade46840f2 (diff) | |
| download | tor-16d2bce89310d68804bacabf5e87a90e8f7322af.tar.gz tor-16d2bce89310d68804bacabf5e87a90e8f7322af.zip | |
Allow setsockopt(IPV6_V6ONLY) in sandbox.
Fixes bug 20247. We started setting V6ONLY in 0.2.3.13-alpha and
added the sandbox on 0.2.5.1-alpha.
| -rw-r--r-- | changes/bug20247 | 4 | ||||
| -rw-r--r-- | src/common/sandbox.c | 8 |
2 files changed, 12 insertions, 0 deletions
diff --git a/changes/bug20247 b/changes/bug20247 new file mode 100644 index 0000000000..731cf0046f --- /dev/null +++ b/changes/bug20247 @@ -0,0 +1,4 @@ + o Minor bugfixes (linux seccomp2 sandbox): + - Avoid a sandbox failure when trying to re-bind to a socket and mark + it as IPv6-only. Fixes bug 20247; bugfix on 0.2.5.1-alpha. + diff --git a/src/common/sandbox.c b/src/common/sandbox.c index da96ad8248..7f4511db2a 100644 --- a/src/common/sandbox.c +++ b/src/common/sandbox.c @@ -728,6 +728,14 @@ sb_setsockopt(scmp_filter_ctx ctx, sandbox_cfg_t *filter) return rc; #endif +#ifdef IPV6_V6ONLY + rc = seccomp_rule_add_2(ctx, SCMP_ACT_ALLOW, SCMP_SYS(setsockopt), + SCMP_CMP(1, SCMP_CMP_EQ, IPPROTO_IPV6), + SCMP_CMP(2, SCMP_CMP_EQ, IPV6_V6ONLY)); + if (rc) + return rc; +#endif + return 0; } |