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kernel-pfroute: Make sure there is a netmask when enumerating subnets

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This commit is contained in:
Tobias Brunner
2017-07-05 10:21:25 +02:00
parent ef6b710f19
commit fd0a7b4795
1 changed files with 2 additions and 2 deletions
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src/libcharon/plugins/kernel_pfroute/kernel_pfroute_net.c
+2 -2
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@@ -1831,7 +1831,7 @@ METHOD(enumerator_t, enumerate_subnets, bool,
for (; this->current < this->buf + this->len; for (; this->current < this->buf + this->len;
this->current += rtm->rtm_msglen) this->current += rtm->rtm_msglen)
{ {
struct sockaddr *netmask; struct sockaddr *netmask = NULL;
uint8_t netbits = 0; uint8_t netbits = 0;
rtm = (struct rt_msghdr*)this->current; rtm = (struct rt_msghdr*)this->current;
@@ -1864,7 +1864,7 @@ METHOD(enumerator_t, enumerate_subnets, bool,
this->ifname = strndup(sdl->sdl_data, sdl->sdl_nlen); this->ifname = strndup(sdl->sdl_data, sdl->sdl_nlen);
} }
} }
if (this->net) if (this->net && netmask)
{ {
netbits = sockaddr_to_netmask(netmask, this->net); netbits = sockaddr_to_netmask(netmask, this->net);
} }