Commit 120b721f authored by Samuel Thibault's avatar Samuel Thibault
Browse files

slirp: Allow non-local DNS address when restrict is off 

This can be used to set a DNS server to be used by the guest which is
different from the one configured on the host.

Buglink: https://bugs.launchpad.net/qemu/+bug/1010484


Signed-off-by: default avatarSamuel Thibault <samuel.thibault@ens-lyon.org>
Reviewed-by: default avatarPhilippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: default avatarThomas Huth <thuth@redhat.com>
parent 860d9048

net/slirp.c

+2 −2
Original line number Diff line number Diff line
@@ -456,7 +456,7 @@ static int net_slirp_init(NetClientState *peer, const char *model, 
        error_setg(errp, "Failed to parse DNS");

        return -1;

    }

    if ((dns.s_addr & mask.s_addr) != net.s_addr) {

    if (restricted && (dns.s_addr & mask.s_addr) != net.s_addr) {

        error_setg(errp, "DNS doesn't belong to network");

        return -1;

    }
@@ -522,7 +522,7 @@ static int net_slirp_init(NetClientState *peer, const char *model, 
            error_setg(errp, "Failed to parse IPv6 DNS");

            return -1;

        }

        if (!in6_equal_net(&ip6_prefix, &ip6_dns, vprefix6_len)) {

        if (restricted && !in6_equal_net(&ip6_prefix, &ip6_dns, vprefix6_len)) {

            error_setg(errp, "IPv6 DNS doesn't belong to network");

            return -1;

        }