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import of dnsmasq-2.40.tar.gz

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This commit is contained in:
Simon Kelley
2007-08-29 11:24:47 +01:00
parent f2621c7ff0
commit 5aabfc78bc
38 changed files with 6006 additions and 4068 deletions
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34
src/netlink.c
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@@ -29,9 +29,9 @@
static struct iovec iov;
static void nl_err(struct nlmsghdr *h);
static void nl_routechange(struct daemon *daemon, struct nlmsghdr *h);
static void nl_routechange(struct nlmsghdr *h);
void netlink_init(struct daemon *daemon)
void netlink_init(void)
{
struct sockaddr_nl addr;
@@ -56,19 +56,13 @@ void netlink_init(struct daemon *daemon)
}
if (daemon->netlinkfd == -1)
die(_("cannot create netlink socket: %s"), NULL);
else
{
int flags = fcntl(daemon->netlinkfd, F_GETFD);
if (flags != -1)
fcntl(daemon->netlinkfd, F_SETFD, flags | FD_CLOEXEC);
}
die(_("cannot create netlink socket: %s"), NULL, EC_MISC);
iov.iov_len = 200;
iov.iov_base = safe_malloc(iov.iov_len);
}
static ssize_t netlink_recv(struct daemon *daemon)
static ssize_t netlink_recv(void)
{
struct msghdr msg;
ssize_t rc;
@@ -107,7 +101,7 @@ static ssize_t netlink_recv(struct daemon *daemon)
return rc;
}
int iface_enumerate(struct daemon *daemon, void *parm, int (*ipv4_callback)(), int (*ipv6_callback)())
int iface_enumerate(void *parm, int (*ipv4_callback)(), int (*ipv6_callback)())
{
struct sockaddr_nl addr;
struct nlmsghdr *h;
@@ -142,14 +136,14 @@ int iface_enumerate(struct daemon *daemon, void *parm, int (*ipv4_callback)(), i
while (1)
{
if ((len = netlink_recv(daemon)) == -1)
if ((len = netlink_recv()) == -1)
return 0;
for (h = (struct nlmsghdr *)iov.iov_base; NLMSG_OK(h, (size_t)len); h = NLMSG_NEXT(h, len))
if (h->nlmsg_type == NLMSG_ERROR)
nl_err(h);
else if (h->nlmsg_seq != seq)
nl_routechange(daemon, h); /* May be multicast arriving async */
nl_routechange(h); /* May be multicast arriving async */
else if (h->nlmsg_type == NLMSG_DONE)
{
#ifdef HAVE_IPV6
@@ -186,7 +180,7 @@ int iface_enumerate(struct daemon *daemon, void *parm, int (*ipv4_callback)(), i
}
if (addr.s_addr && ipv4_callback)
if (!((*ipv4_callback)(daemon, addr, ifa->ifa_index, netmask, broadcast, parm)))
if (!((*ipv4_callback)(addr, ifa->ifa_index, netmask, broadcast, parm)))
return 0;
}
#ifdef HAVE_IPV6
@@ -202,7 +196,7 @@ int iface_enumerate(struct daemon *daemon, void *parm, int (*ipv4_callback)(), i
}
if (addrp && ipv6_callback)
if (!((*ipv6_callback)(daemon, addrp, ifa->ifa_index, ifa->ifa_index, parm)))
if (!((*ipv6_callback)(addrp, ifa->ifa_index, ifa->ifa_index, parm)))
return 0;
}
#endif
@@ -210,18 +204,18 @@ int iface_enumerate(struct daemon *daemon, void *parm, int (*ipv4_callback)(), i
}
}
void netlink_multicast(struct daemon *daemon)
void netlink_multicast(void)
{
ssize_t len;
struct nlmsghdr *h;
if ((len = netlink_recv(daemon)) != -1)
if ((len = netlink_recv()) != -1)
{
for (h = (struct nlmsghdr *)iov.iov_base; NLMSG_OK(h, (size_t)len); h = NLMSG_NEXT(h, len))
if (h->nlmsg_type == NLMSG_ERROR)
nl_err(h);
else
nl_routechange(daemon, h);
nl_routechange(h);
}
}
@@ -237,7 +231,7 @@ static void nl_err(struct nlmsghdr *h)
This helps on DoD links, where frequently the packet which triggers dialling is
a DNS query, which then gets lost. By re-sending, we can avoid the lookup
failing. */
static void nl_routechange(struct daemon *daemon, struct nlmsghdr *h)
static void nl_routechange(struct nlmsghdr *h)
{
if (h->nlmsg_type == RTM_NEWROUTE && daemon->srv_save)
{