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import of dnsmasq-2.17.tar.gz

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This commit is contained in:
Simon Kelley
2004-11-14 16:43:54 +00:00
parent fd9fa4811d
commit 26128d2747
15 changed files with 548 additions and 354 deletions
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57
src/network.c
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@@ -356,34 +356,37 @@ struct listener *create_bound_listeners(struct irec *interfaces, int port)
struct irec *iface;
int flags = port, opt = 1;
/* Create bound listeners only for IPv4, IPv6 always binds the wildcard */
#ifdef HAVE_IPV6
if (!create_ipv6_listener(&listeners, port))
die("failed to to create listening socket: %s", NULL);
#endif
for (iface = interfaces ;iface; iface = iface->next)
if (iface->addr.sa.sa_family == AF_INET)
{
struct listener *new = safe_malloc(sizeof(struct listener));
new->family = iface->addr.sa.sa_family;
new->next = listeners;
listeners = new;
if ((new->tcpfd = socket(iface->addr.sa.sa_family, SOCK_STREAM, 0)) == -1 ||
(new->fd = socket(iface->addr.sa.sa_family, SOCK_DGRAM, 0)) == -1 ||
setsockopt(new->fd, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)) == -1 ||
setsockopt(new->tcpfd, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)) == -1 ||
/* See Stevens 16.6 */
(flags = fcntl(new->tcpfd, F_GETFL, 0)) == -1 ||
fcntl(new->tcpfd, F_SETFL, flags | O_NONBLOCK) == -1 ||
(flags = fcntl(new->fd, F_GETFL, 0)) == -1 ||
fcntl(new->fd, F_SETFL, flags | O_NONBLOCK) == -1 ||
bind(new->tcpfd, &iface->addr.sa, sa_len(&iface->addr)) == -1 ||
bind(new->fd, &iface->addr.sa, sa_len(&iface->addr)) == -1 ||
listen(new->tcpfd, 5) == -1)
die("failed to to create listening socket: %s", NULL);
}
{
struct listener *new = safe_malloc(sizeof(struct listener));
new->family = iface->addr.sa.sa_family;
new->next = listeners;
listeners = new;
if ((new->tcpfd = socket(iface->addr.sa.sa_family, SOCK_STREAM, 0)) == -1 ||
(new->fd = socket(iface->addr.sa.sa_family, SOCK_DGRAM, 0)) == -1 ||
setsockopt(new->fd, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)) == -1 ||
setsockopt(new->tcpfd, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)) == -1 ||
/* See Stevens 16.6 */
(flags = fcntl(new->tcpfd, F_GETFL, 0)) == -1 ||
fcntl(new->tcpfd, F_SETFL, flags | O_NONBLOCK) == -1 ||
(flags = fcntl(new->fd, F_GETFL, 0)) == -1 ||
fcntl(new->fd, F_SETFL, flags | O_NONBLOCK) == -1)
die("failed to create listening socket: %s", NULL);
#ifdef HAVE_IPV6
if (iface->addr.sa.sa_family == AF_INET6)
{
if (setsockopt(new->fd, IPV6_LEVEL, IPV6_V6ONLY, &opt, sizeof(opt)) == -1 ||
setsockopt(new->tcpfd, IPV6_LEVEL, IPV6_V6ONLY, &opt, sizeof(opt)) == -1)
die("failed to set IPV6 options on listening socket: %s", NULL);
}
#endif
if (bind(new->tcpfd, &iface->addr.sa, sa_len(&iface->addr)) == -1 ||
bind(new->fd, &iface->addr.sa, sa_len(&iface->addr)) == -1 ||
listen(new->tcpfd, 5) == -1)
die("failed to bind listening socket: %s", NULL);
}
return listeners;
}