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import of dnsmasq-2.7.tar.gz

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This commit is contained in:
Simon Kelley
2004-04-23 22:21:21 +01:00
parent 33820b7ed9
commit a84fa1d085
14 changed files with 321 additions and 174 deletions
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55
src/network.c
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@@ -25,7 +25,7 @@ static struct irec *add_iface(struct irec *list, char *name, union mysockaddr *a
if (except)
for (tmp = except; tmp; tmp = tmp->next)
if (tmp->name && strcmp(tmp->name, name) == 0)
return NULL;
return list;
/* we may need to check the whitelist */
if (names || addrs)
@@ -38,31 +38,31 @@ static struct irec *add_iface(struct irec *list, char *name, union mysockaddr *a
if (sockaddr_isequal(&tmp->addr, addr))
break;
if (!tmp)
return NULL;
return list;
}
/* check whether the interface IP has been added already
it is possible to have multiple interfaces with the same address */
for (; list; list = list->next)
if (sockaddr_isequal(&list->addr, addr))
for (iface = list; iface; iface = iface->next)
if (sockaddr_isequal(&iface->addr, addr))
break;
if (list)
return NULL;
if (iface)
return list;
/* If OK, add it to the head of the list */
iface = safe_malloc(sizeof(struct irec));
iface->addr = *addr;
iface->next = list;
return iface;
}
struct irec *enumerate_interfaces(struct iname *names,
struct iname *addrs,
struct irec *enumerate_interfaces(struct iname **names,
struct iname **addrs,
struct iname *except,
int port)
{
struct irec *iface = NULL, *new;
struct irec *iface = NULL;
char *buf, *ptr;
struct ifreq *ifr = NULL;
struct ifconf ifc;
@@ -137,22 +137,19 @@ struct irec *enumerate_interfaces(struct iname *names,
die("ioctl error getting interface flags: %m", NULL);
/* If we are restricting the set of interfaces to use, make
sure that loopback interfaces are in that set. */
if (names && (ifr->ifr_flags & IFF_LOOPBACK))
sure that loopback interfaces are in that set. Note that
this is done as addresses rather than interface names so
as not to confuse the no-IPRECVIF workaround on the DHCP code */
if (*names && (ifr->ifr_flags & IFF_LOOPBACK))
{
struct iname *lo = safe_malloc(sizeof(struct iname));
lo->name = safe_string_alloc(ifr->ifr_name);
lo->next = names->next;
names->next = lo;
}
if ((new = add_iface(iface, ifr->ifr_name,
&addr, names, addrs, except)))
{
new->next = iface;
iface = new;
lo->addr = addr;
lo->next = *addrs;
*addrs = lo;
}
iface = add_iface(iface, ifr->ifr_name, &addr, *names, *addrs, except);
#if defined(HAVE_LINUX_IPV6_PROC) && defined(HAVE_IPV6)
/* IPv6 addresses don't seem to work with SIOCGIFCONF. Barf */
/* This code snarfed from net-tools 1.60 and certainly linux specific, though
@@ -194,11 +191,17 @@ struct irec *enumerate_interfaces(struct iname *names,
fclose(f);
}
if (found && (new = add_iface(iface, ifr->ifr_name,
&addr6, names, addrs, except)))
if (found)
{
new->next = iface;
iface = new;
if (*names && (ifr->ifr_flags & IFF_LOOPBACK))
{
struct iname *lo = safe_malloc(sizeof(struct iname));
lo->addr = addr6;
lo->next = *addrs;
*addrs = lo;
}
iface = add_iface(iface, ifr->ifr_name, &addr6, *names, *addrs, except);
}
}
#endif /* LINUX */