X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fsvn-archive%2Farchive.git;a=blobdiff_plain;f=package%2Flibpcap%2Fpatches%2F202-protocol_api.patch;fp=package%2Flibpcap%2Fpatches%2F202-protocol_api.patch;h=dc5e45a2466ccf56df068ffa80ce13a88a364c25;hp=0000000000000000000000000000000000000000;hb=391a1547ed1c10714f6ec77f5e3f25b3095b006c;hpb=98a9c9fc744203bc96a561eb8eeb3c26eccd8208

diff --git a/package/libpcap/patches/202-protocol_api.patch b/package/libpcap/patches/202-protocol_api.patch
new file mode 100644
index 0000000000..dc5e45a246
--- /dev/null
+++ b/package/libpcap/patches/202-protocol_api.patch
@@ -0,0 +1,141 @@
+--- a/pcap-int.h
++++ b/pcap-int.h
+@@ -187,6 +187,7 @@ struct pcap_opt {
+ 	char	*source;
+ 	int	promisc;
+ 	int	rfmon;
++	int proto;	/* protocol for packet socket (linux) */
+ };
+ 
+ /*
+--- a/pcap-linux.c
++++ b/pcap-linux.c
+@@ -273,7 +273,7 @@ static int	iface_get_id(int fd, const ch
+ static int	iface_get_mtu(int fd, const char *device, char *ebuf);
+ static int 	iface_get_arptype(int fd, const char *device, char *ebuf);
+ #ifdef HAVE_PF_PACKET_SOCKETS
+-static int 	iface_bind(int fd, int ifindex, char *ebuf);
++static int 	iface_bind(int fd, int ifindex, char *ebuf, unsigned short proto);
+ static int	has_wext(int sock_fd, const char *device, char *ebuf);
+ static int	enter_rfmon_mode_wext(pcap_t *handle, int sock_fd,
+     const char *device);
+@@ -362,7 +362,7 @@ pcap_can_set_rfmon_linux(pcap_t *p)
+ 	 * (We assume that if we have Wireless Extensions support
+ 	 * we also have PF_PACKET support.)
+ 	 */
+-	sock_fd = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
++	sock_fd = socket(PF_PACKET, SOCK_RAW, p->opt.proto);
+ 	if (sock_fd == -1) {
+ 		(void)snprintf(p->errbuf, PCAP_ERRBUF_SIZE,
+ 		    "socket: %s", pcap_strerror(errno));
+@@ -522,6 +522,9 @@ pcap_activate_linux(pcap_t *handle)
+ 	handle->read_op = pcap_read_linux;
+ 	handle->stats_op = pcap_stats_linux;
+ 
++	if (handle->opt.proto < 0)
++		handle->opt.proto = (int) htons(ETH_P_ALL);
++
+ 	/*
+ 	 * The "any" device is a special device which causes us not
+ 	 * to bind to a particular device and thus to look at all
+@@ -1673,8 +1676,8 @@ activate_new(pcap_t *handle)
+ 	 * try a SOCK_RAW socket for the raw interface.
+ 	 */
+ 	sock_fd = is_any_device ?
+-		socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_ALL)) :
+-		socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
++		socket(PF_PACKET, SOCK_DGRAM, handle->opt.proto) :
++		socket(PF_PACKET, SOCK_RAW, handle->opt.proto);
+ 
+ 	if (sock_fd == -1) {
+ 		snprintf(handle->errbuf, PCAP_ERRBUF_SIZE, "socket: %s",
+@@ -1763,7 +1766,7 @@ activate_new(pcap_t *handle)
+ 				return PCAP_ERROR;
+ 			}
+ 			sock_fd = socket(PF_PACKET, SOCK_DGRAM,
+-			    htons(ETH_P_ALL));
++			    handle->opt.proto);
+ 			if (sock_fd == -1) {
+ 				snprintf(handle->errbuf, PCAP_ERRBUF_SIZE,
+ 				    "socket: %s", pcap_strerror(errno));
+@@ -1815,7 +1818,7 @@ activate_new(pcap_t *handle)
+ 		}
+ 
+ 		if ((err = iface_bind(sock_fd, handle->md.ifindex,
+-		    handle->errbuf)) != 1) {
++		    handle->errbuf, handle->opt.proto)) != 1) {
+ 		    	close(sock_fd);
+ 			if (err < 0)
+ 				return err;
+@@ -2440,7 +2443,7 @@ iface_get_id(int fd, const char *device,
+  *  or a PCAP_ERROR_ value on a hard error.
+  */
+ static int
+-iface_bind(int fd, int ifindex, char *ebuf)
++iface_bind(int fd, int ifindex, char *ebuf, unsigned short proto)
+ {
+ 	struct sockaddr_ll	sll;
+ 	int			err;
+@@ -2449,7 +2452,7 @@ iface_bind(int fd, int ifindex, char *eb
+ 	memset(&sll, 0, sizeof(sll));
+ 	sll.sll_family		= AF_PACKET;
+ 	sll.sll_ifindex		= ifindex;
+-	sll.sll_protocol	= htons(ETH_P_ALL);
++	sll.sll_protocol	= proto;
+ 
+ 	if (bind(fd, (struct sockaddr *) &sll, sizeof(sll)) == -1) {
+ 		if (errno == ENETDOWN) {
+@@ -3119,7 +3122,7 @@ activate_old(pcap_t *handle)
+ 
+ 	/* Open the socket */
+ 
+-	handle->fd = socket(PF_INET, SOCK_PACKET, htons(ETH_P_ALL));
++	handle->fd = socket(PF_INET, SOCK_PACKET, handle->opt.proto);
+ 	if (handle->fd == -1) {
+ 		snprintf(handle->errbuf, PCAP_ERRBUF_SIZE,
+ 			 "socket: %s", pcap_strerror(errno));
+--- a/pcap.c
++++ b/pcap.c
+@@ -152,6 +152,8 @@ pcap_create_common(const char *source, c
+ 	pcap_set_snaplen(p, 65535);	/* max packet size */
+ 	p->opt.promisc = 0;
+ 	p->opt.buffer_size = 0;
++	p->opt.proto = -1;
++
+ 	return (p);
+ }
+ 
+@@ -212,6 +214,15 @@ pcap_set_buffer_size(pcap_t *p, int buff
+ }
+ 
+ int
++pcap_set_protocol(pcap_t *p, unsigned short proto)
++{
++	if (pcap_check_activated(p))
++		return PCAP_ERROR_ACTIVATED;
++	p->opt.proto = proto;
++	return 0;
++}
++
++int
+ pcap_activate(pcap_t *p)
+ {
+ 	int status;
+--- a/pcap/pcap.h
++++ b/pcap/pcap.h
+@@ -61,6 +61,7 @@ extern "C" {
+ #define PCAP_VERSION_MINOR 4
+ 
+ #define PCAP_ERRBUF_SIZE 256
++#define HAS_PROTO_EXTENSION
+ 
+ /*
+  * Compatibility for systems that have a bpf.h that
+@@ -263,6 +264,7 @@ int	pcap_can_set_rfmon(pcap_t *);
+ int	pcap_set_rfmon(pcap_t *, int);
+ int	pcap_set_timeout(pcap_t *, int);
+ int	pcap_set_buffer_size(pcap_t *, int);
++int	pcap_set_protocol(pcap_t *, unsigned short);
+ int	pcap_activate(pcap_t *);
+ 
+ pcap_t	*pcap_open_live(const char *, int, int, int, char *);