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IP address resolving on Win32 fixed

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unknown 2010-01-23 09:08:31 +01:00
parent df4548aa76
commit 454f43a45b
1 changed files with 14 additions and 6 deletions
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20
src/ip.cpp
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@ -185,7 +185,7 @@ int zmq::resolve_ip_interface (sockaddr_storage* addr_, socklen_t *addr_len_,
} }
// Separate the name/port. // Separate the name/port.
std::string interface (interface_, delimiter - interface_); std::string iface (interface_, delimiter - interface_);
std::string service (delimiter + 1); std::string service (delimiter + 1);
// Initialize the output parameter. // Initialize the output parameter.
@ -196,7 +196,6 @@ int zmq::resolve_ip_interface (sockaddr_storage* addr_, socklen_t *addr_len_,
ip4_addr.sin_family = AF_INET; ip4_addr.sin_family = AF_INET;
ip4_addr.sin_port = htons ((uint16_t) atoi (service.c_str())); ip4_addr.sin_port = htons ((uint16_t) atoi (service.c_str()));
// Initialize temporary output pointers with ip4_addr // Initialize temporary output pointers with ip4_addr
sockaddr *out_addr = (sockaddr *) &ip4_addr; sockaddr *out_addr = (sockaddr *) &ip4_addr;
size_t out_addrlen = sizeof (ip4_addr); size_t out_addrlen = sizeof (ip4_addr);
@ -208,7 +207,7 @@ int zmq::resolve_ip_interface (sockaddr_storage* addr_, socklen_t *addr_len_,
} }
// * resolves to INADDR_ANY. // * resolves to INADDR_ANY.
if (interface.compare("*") == 0) { if (iface.compare("*") == 0) {
ip4_addr.sin_addr.s_addr = htonl (INADDR_ANY); ip4_addr.sin_addr.s_addr = htonl (INADDR_ANY);
zmq_assert (out_addrlen <= sizeof (*addr_)); zmq_assert (out_addrlen <= sizeof (*addr_));
memcpy (addr_, out_addr, out_addrlen); memcpy (addr_, out_addr, out_addrlen);
@ -217,7 +216,7 @@ int zmq::resolve_ip_interface (sockaddr_storage* addr_, socklen_t *addr_len_,
} }
// Try to resolve the string as a NIC name. // Try to resolve the string as a NIC name.
int rc = resolve_nic_name (&ip4_addr.sin_addr, interface.c_str()); int rc = resolve_nic_name (&ip4_addr.sin_addr, iface.c_str());
if (rc != 0 && errno != ENODEV) if (rc != 0 && errno != ENODEV)
return rc; return rc;
if (rc == 0) { if (rc == 0) {
@ -227,15 +226,24 @@ int zmq::resolve_ip_interface (sockaddr_storage* addr_, socklen_t *addr_len_,
return 0; return 0;
} }
#if defined ZMQ_HAVE_WINDOWS
// Old versions of Windows don't support inet_pton
// so let's rather use inet_addr instead.
ip4_addr.sin_addr.S_un.S_addr = inet_addr (iface.c_str ());
if (ip4_addr.sin_addr.S_un.S_addr == INADDR_NONE) {
errno = ENODEV;
return -1;
}
#else
// There's no such interface name. Assume literal address. // There's no such interface name. Assume literal address.
rc = inet_pton (AF_INET, interface.c_str(), &ip4_addr.sin_addr); rc = inet_pton (AF_INET, iface.c_str(), &ip4_addr.sin_addr);
if (rc == 0) { if (rc == 0) {
errno = ENODEV; errno = ENODEV;
return -1; return -1;
} }
if (rc < 0) if (rc < 0)
return -1; return -1;
#endif
zmq_assert (out_addrlen <= sizeof (*addr_)); zmq_assert (out_addrlen <= sizeof (*addr_));
memcpy (addr_, out_addr, out_addrlen); memcpy (addr_, out_addr, out_addrlen);