From 9962a048634c590db23a00db1d01daada779844c Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Fri, 24 Jun 2005 19:02:51 +0000 Subject: * implement new source address check mechanisms * introduce new types AvahiIfIndex and AvahiProtocol to abstract underlying OS structures a bit * document string list, address and other stuff * implement qclass = ANY queries * don't make use of UTF8 collation as RFC mandates git-svn-id: file:///home/lennart/svn/public/avahi/trunk@144 941a03a8-eaeb-0310-b9a0-b1bbd8fe43fe --- avahi-core/socket.c | 24 ++++++++++++++---------- 1 file changed, 14 insertions(+), 10 deletions(-) (limited to 'avahi-core/socket.c') diff --git a/avahi-core/socket.c b/avahi-core/socket.c index b635dca..1b1f2fd 100644 --- a/avahi-core/socket.c +++ b/avahi-core/socket.c @@ -48,7 +48,7 @@ static void mdns_mcast_group_ipv4(struct sockaddr_in *ret_sa) { ret_sa->sin_family = AF_INET; ret_sa->sin_port = htons(AVAHI_MDNS_PORT); - inet_pton(AF_INET, "224.0.0.251", &ret_sa->sin_addr); + inet_pton(AF_INET, AVAHI_IPV4_MCAST_GROUP, &ret_sa->sin_addr); } static void mdns_mcast_group_ipv6(struct sockaddr_in6 *ret_sa) { @@ -59,7 +59,7 @@ static void mdns_mcast_group_ipv6(struct sockaddr_in6 *ret_sa) { ret_sa->sin6_family = AF_INET6; ret_sa->sin6_port = htons(AVAHI_MDNS_PORT); - inet_pton(AF_INET6, "ff02::fb", &ret_sa->sin6_addr); + inet_pton(AF_INET6, AVAHI_IPV6_MCAST_GROUP, &ret_sa->sin6_addr); } static void ipv4_address_to_sockaddr(struct sockaddr_in *ret_sa, const AvahiIPv4Address *a, guint16 port) { @@ -399,7 +399,7 @@ gint avahi_send_dns_packet_ipv4(gint fd, gint interface, AvahiDnsPacket *p, cons msg.msg_controllen = sizeof(cmsg_data); msg.msg_flags = 0; - return sendmsg_loop(fd, &msg, MSG_DONTROUTE); + return sendmsg_loop(fd, &msg, 0 /*MSG_DONTROUTE*/); } gint avahi_send_dns_packet_ipv6(gint fd, gint interface, AvahiDnsPacket *p, const AvahiIPv6Address *a, guint16 port) { @@ -441,10 +441,10 @@ gint avahi_send_dns_packet_ipv6(gint fd, gint interface, AvahiDnsPacket *p, cons msg.msg_controllen = sizeof(cmsg_data); msg.msg_flags = 0; - return sendmsg_loop(fd, &msg, MSG_DONTROUTE); + return sendmsg_loop(fd, &msg, 0 /*MSG_DONTROUTE*/); } -AvahiDnsPacket* avahi_recv_dns_packet_ipv4(gint fd, struct sockaddr_in *ret_sa, gint *ret_iface, guint8* ret_ttl) { +AvahiDnsPacket* avahi_recv_dns_packet_ipv4(gint fd, struct sockaddr_in *ret_sa, AvahiIPv4Address *ret_dest_address, gint *ret_iface, guint8* ret_ttl) { AvahiDnsPacket *p= NULL; struct msghdr msg; struct iovec io; @@ -456,6 +456,7 @@ AvahiDnsPacket* avahi_recv_dns_packet_ipv4(gint fd, struct sockaddr_in *ret_sa, g_assert(fd >= 0); g_assert(ret_sa); + g_assert(ret_dest_address); g_assert(ret_iface); g_assert(ret_ttl); @@ -487,8 +488,6 @@ AvahiDnsPacket* avahi_recv_dns_packet_ipv4(gint fd, struct sockaddr_in *ret_sa, /* Linux 2.4 behaves very strangely sometimes! */ avahi_hexdump(AVAHI_DNS_PACKET_DATA(p), l); - - goto fail; } @@ -510,7 +509,9 @@ AvahiDnsPacket* avahi_recv_dns_packet_ipv4(gint fd, struct sockaddr_in *ret_sa, *ret_ttl = (uint8_t) (*(int *) CMSG_DATA(cmsg)); found_ttl = TRUE; } else if (cmsg->cmsg_type == IP_PKTINFO) { - *ret_iface = (gint) ((struct in_pktinfo*) CMSG_DATA(cmsg))->ipi_ifindex; + struct in_pktinfo *i = (struct in_pktinfo*) CMSG_DATA(cmsg); + *ret_iface = (gint) i->ipi_ifindex; + ret_dest_address->address = i->ipi_addr.s_addr; found_iface = TRUE; } } @@ -530,7 +531,7 @@ fail: return NULL; } -AvahiDnsPacket* avahi_recv_dns_packet_ipv6(gint fd, struct sockaddr_in6 *ret_sa, gint *ret_iface, guint8* ret_ttl) { +AvahiDnsPacket* avahi_recv_dns_packet_ipv6(gint fd, struct sockaddr_in6 *ret_sa, AvahiIPv6Address *ret_dest_address, gint *ret_iface, guint8* ret_ttl) { AvahiDnsPacket *p = NULL; struct msghdr msg; struct iovec io; @@ -543,6 +544,7 @@ AvahiDnsPacket* avahi_recv_dns_packet_ipv6(gint fd, struct sockaddr_in6 *ret_sa, g_assert(fd >= 0); g_assert(ret_sa); + g_assert(ret_dest_address); g_assert(ret_iface); g_assert(ret_ttl); @@ -581,7 +583,9 @@ AvahiDnsPacket* avahi_recv_dns_packet_ipv6(gint fd, struct sockaddr_in6 *ret_sa, } if (cmsg->cmsg_level == SOL_IPV6 && cmsg->cmsg_type == IPV6_PKTINFO) { - *ret_iface = ((struct in6_pktinfo*) CMSG_DATA(cmsg))->ipi6_ifindex; + struct in6_pktinfo *i = (struct in6_pktinfo*) CMSG_DATA(cmsg); + *ret_iface = i->ipi6_ifindex; + memcpy(ret_dest_address->address, i->ipi6_addr.s6_addr, 16); found_iface = TRUE; } } -- cgit