diff options
| -rw-r--r-- | conf.c | 16 |
1 files changed, 16 insertions, 0 deletions
@@ -350,6 +350,14 @@ static void get_dns(struct ctx *c) if (!dns4_set && dns4 - &c->dns4[0] < ARRAY_SIZE(c->dns4) - 1 && inet_pton(AF_INET, p + 1, dns4)) { + /* We can only access local addresses via the gw redirect */ + if (ntohl(*dns4) >> IN_CLASSA_NSHIFT == IN_LOOPBACKNET) { + if (c->no_map_gw) { + *dns4 = 0; + continue; + } + *dns4 = c->gw4; + } dns4++; *dns4 = 0; } @@ -357,6 +365,14 @@ static void get_dns(struct ctx *c) if (!dns6_set && dns6 - &c->dns6[0] < ARRAY_SIZE(c->dns6) - 1 && inet_pton(AF_INET6, p + 1, dns6)) { + /* We can only access local addresses via the gw redirect */ + if (IN6_IS_ADDR_LOOPBACK(dns6)) { + if (c->no_map_gw) { + memset(dns6, 0, sizeof(*dns6)); + continue; + } + memcpy(dns6, &c->gw6, sizeof(*dns6)); + } dns6++; memset(dns6, 0, sizeof(*dns6)); } |