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Switch from setsockopt(SO_BINDTODEVICE) to bind() for _pfd

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This commit is contained in:
Daniel Adolfsson 2011-09-18 01:51:47 +02:00
parent c5b542e79c
commit f65d5c0e14
1 changed files with 12 additions and 5 deletions
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17
src/iface.cc
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@ -98,13 +98,20 @@ strong_ptr<iface> iface::open_pfd(const std::string& name)
// Bind to the specified interface.
struct ifreq ifr;
struct sockaddr_ll lladdr;
memset(&ifr, 0, sizeof(ifr));
strncpy(ifr.ifr_name, name.c_str(), IFNAMSIZ - 1);
ifr.ifr_name[IFNAMSIZ - 1] = '\0';
memset(&lladdr, 0, sizeof(struct sockaddr_ll));
lladdr.sll_family = AF_PACKET;
lladdr.sll_protocol = htons(ETH_P_IPV6);
if(setsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE, &ifr, sizeof(ifr)) < 0)
if(!(lladdr.sll_ifindex = if_nametoindex(name.c_str())))
{
close(fd);
ERR("Failed to bind to interface '%s'", name.c_str());
return strong_ptr<iface>();
}
if(bind(fd, (struct sockaddr *)&lladdr, sizeof(struct sockaddr_ll)) < 0)
{
close(fd);
ERR("Failed to bind to interface '%s'", name.c_str());