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| author | 5eraph <5eraph@protonmail.com> | 2020-03-23 20:11:58 +0100 |
|---|---|---|
| committer | 5eraph <5eraph@protonmail.com> | 2020-03-24 06:15:05 +0100 |
| commit | 0f94ceec752592e4ac632a24e3c64a97dd09bf4c (patch) | |
| tree | 5e7d56c00e56e3ad133852674be43ea4ba17b6a5 | |
| parent | 1021b0dc38d39f1dc95a296fe3e05a24a087cdc6 (diff) | |
| download | slirp-0f94ceec752592e4ac632a24e3c64a97dd09bf4c.zip slirp-0f94ceec752592e4ac632a24e3c64a97dd09bf4c.tar.gz slirp-0f94ceec752592e4ac632a24e3c64a97dd09bf4c.tar.bz2 | |
limit vnameserver_addr to port 53
Fixes #16
Signed-off-by: 5eraph <5eraph@protonmail.com>
| -rw-r--r-- | src/socket.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/socket.c b/src/socket.c index 656c319..cd2f89e 100644 --- a/src/socket.c +++ b/src/socket.c @@ -822,7 +822,7 @@ void sofwdrain(struct socket *so) static bool sotranslate_out4(Slirp *s, struct socket *so, struct sockaddr_in *sin) { if (!s->disable_dns && so->so_faddr.s_addr == s->vnameserver_addr.s_addr) { - return get_dns_addr(&sin->sin_addr) >= 0; + return so->so_fport == htons(53) && get_dns_addr(&sin->sin_addr) >= 0; } if (so->so_faddr.s_addr == s->vhost_addr.s_addr || @@ -841,7 +841,7 @@ static bool sotranslate_out6(Slirp *s, struct socket *so, struct sockaddr_in6 *s { if (!s->disable_dns && in6_equal(&so->so_faddr6, &s->vnameserver_addr6)) { uint32_t scope_id; - if (get_dns6_addr(&sin->sin6_addr, &scope_id) >= 0) { + if (so->so_fport == htons(53) && get_dns6_addr(&sin->sin6_addr, &scope_id) >= 0) { sin->sin6_scope_id = scope_id; return true; } |