--- a/pcap-int.h
+++ b/pcap-int.h
-@@ -187,6 +187,7 @@ struct pcap_opt {
+@@ -209,6 +209,7 @@ struct pcap_opt {
char *source;
int promisc;
int rfmon;
/*
--- a/pcap-linux.c
+++ b/pcap-linux.c
-@@ -273,7 +273,7 @@ static int iface_get_id(int fd, const ch
+@@ -335,7 +335,7 @@ 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);
+ #ifdef IW_MODE_MONITOR
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)
+ #endif /* IW_MODE_MONITOR */
+@@ -881,7 +881,7 @@ pcap_can_set_rfmon_linux(pcap_t *handle)
* (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,
+ (void)snprintf(handle->errbuf, PCAP_ERRBUF_SIZE,
"socket: %s", pcap_strerror(errno));
-@@ -522,6 +522,9 @@ pcap_activate_linux(pcap_t *handle)
+@@ -1128,6 +1128,9 @@ pcap_activate_linux(pcap_t *handle)
handle->read_op = pcap_read_linux;
handle->stats_op = pcap_stats_linux;
/*
* 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)
+@@ -2684,8 +2687,8 @@ activate_new(pcap_t *handle)
* try a SOCK_RAW socket for the raw interface.
*/
sock_fd = is_any_device ?
if (sock_fd == -1) {
snprintf(handle->errbuf, PCAP_ERRBUF_SIZE, "socket: %s",
-@@ -1763,7 +1766,7 @@ activate_new(pcap_t *handle)
+@@ -2783,7 +2786,7 @@ activate_new(pcap_t *handle)
return PCAP_ERROR;
}
sock_fd = socket(PF_PACKET, SOCK_DGRAM,
if (sock_fd == -1) {
snprintf(handle->errbuf, PCAP_ERRBUF_SIZE,
"socket: %s", pcap_strerror(errno));
-@@ -1815,7 +1818,7 @@ activate_new(pcap_t *handle)
+@@ -2835,7 +2838,7 @@ activate_new(pcap_t *handle)
}
if ((err = iface_bind(sock_fd, handle->md.ifindex,
close(sock_fd);
if (err < 0)
return err;
-@@ -2440,7 +2443,7 @@ iface_get_id(int fd, const char *device,
+@@ -3640,7 +3643,7 @@ iface_get_id(int fd, const char *device,
* or a PCAP_ERROR_ value on a hard error.
*/
static int
{
struct sockaddr_ll sll;
int err;
-@@ -2449,7 +2452,7 @@ iface_bind(int fd, int ifindex, char *eb
+@@ -3649,7 +3652,7 @@ iface_bind(int fd, int ifindex, char *eb
memset(&sll, 0, sizeof(sll));
sll.sll_family = AF_PACKET;
sll.sll_ifindex = ifindex;
if (bind(fd, (struct sockaddr *) &sll, sizeof(sll)) == -1) {
if (errno == ENETDOWN) {
-@@ -3119,7 +3122,7 @@ activate_old(pcap_t *handle)
+@@ -4359,7 +4362,7 @@ activate_old(pcap_t *handle)
/* Open the socket */
"socket: %s", pcap_strerror(errno));
--- a/pcap.c
+++ b/pcap.c
-@@ -152,6 +152,8 @@ pcap_create_common(const char *source, c
+@@ -258,6 +258,8 @@ pcap_create_common(const char *source, c
pcap_set_snaplen(p, 65535); /* max packet size */
p->opt.promisc = 0;
p->opt.buffer_size = 0;
return (p);
}
-@@ -212,6 +214,15 @@ pcap_set_buffer_size(pcap_t *p, int buff
+@@ -317,6 +319,15 @@ pcap_set_buffer_size(pcap_t *p, int buff
+ return 0;
}
- int
++int
+pcap_set_protocol(pcap_t *p, unsigned short proto)
+{
+ if (pcap_check_activated(p))
+ return 0;
+}
+
-+int
+ int
pcap_activate(pcap_t *p)
{
- int status;
--- a/pcap/pcap.h
+++ b/pcap/pcap.h
-@@ -61,6 +61,7 @@ extern "C" {
+@@ -68,6 +68,7 @@ extern "C" {
#define PCAP_VERSION_MINOR 4
#define PCAP_ERRBUF_SIZE 256
/*
* Compatibility for systems that have a bpf.h that
-@@ -263,6 +264,7 @@ int pcap_can_set_rfmon(pcap_t *);
+@@ -276,6 +277,7 @@ 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);