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Initial code to do authoritative DNS.

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This commit is contained in:
Simon Kelley
2012-11-28 21:27:02 +00:00
parent 8e4b87918f
commit 4f7b304f53
15 changed files with 705 additions and 191 deletions
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49
src/network.c
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@@ -107,13 +107,24 @@ int indextoname(int fd, int index, char *name)
#endif
int iface_check(int family, struct all_addr *addr, char *name)
int iface_check(int family, struct all_addr *addr, char *name, int *auth)
{
struct iname *tmp;
int ret = 1;
/* Note: have to check all and not bail out early, so that we set the
"used" flags. */
if (auth)
{
if (daemon->authinterface && strcmp(daemon->authinterface, name) == 0)
{
*auth = 1;
return 1;
}
else
*auth = 0;
}
if (daemon->if_names || daemon->if_addrs)
{
@@ -153,6 +164,7 @@ static int iface_allowed(struct irec **irecp, int if_index,
struct ifreq ifr;
int tftp_ok = !!option_bool(OPT_TFTP);
int dhcp_ok = 1;
int auth_dns = 0;
#ifdef HAVE_DHCP
struct iname *tmp;
#endif
@@ -210,25 +222,31 @@ static int iface_allowed(struct irec **irecp, int if_index,
}
if (addr->sa.sa_family == AF_INET &&
!iface_check(AF_INET, (struct all_addr *)&addr->in.sin_addr, ifr.ifr_name))
!iface_check(AF_INET, (struct all_addr *)&addr->in.sin_addr, ifr.ifr_name, &auth_dns))
return 1;
#ifdef HAVE_DHCP
for (tmp = daemon->dhcp_except; tmp; tmp = tmp->next)
if (tmp->name && (strcmp(tmp->name, ifr.ifr_name) == 0))
{
tftp_ok = 0;
dhcp_ok = 0;
}
#endif
#ifdef HAVE_IPV6
if (addr->sa.sa_family == AF_INET6 &&
!iface_check(AF_INET6, (struct all_addr *)&addr->in6.sin6_addr, ifr.ifr_name))
!iface_check(AF_INET6, (struct all_addr *)&addr->in6.sin6_addr, ifr.ifr_name, &auth_dns))
return 1;
#endif
#ifdef HAVE_DHCP
/* No DHCP where we're doing auth DNS. */
if (auth_dns)
{
tftp_ok = 0;
dhcp_ok = 0;
}
else
for (tmp = daemon->dhcp_except; tmp; tmp = tmp->next)
if (tmp->name && (strcmp(tmp->name, ifr.ifr_name) == 0))
{
tftp_ok = 0;
dhcp_ok = 0;
}
#endif
/* add to list */
if ((iface = whine_malloc(sizeof(struct irec))))
{
@@ -236,6 +254,7 @@ static int iface_allowed(struct irec **irecp, int if_index,
iface->netmask = netmask;
iface->tftp_ok = tftp_ok;
iface->dhcp_ok = dhcp_ok;
iface->dns_auth = auth_dns;
iface->mtu = mtu;
iface->dad = dad;
iface->done = 0;