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fix missing parts of r19997.

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SVN-Revision: 20057
This commit is contained in:
Travis Kemen
2010-03-08 14:21:32 +00:00
parent d48992b62b
commit c859a20e69
8 changed files with 549 additions and 0 deletions
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141
package/libpcap/patches/202-protocol_api.patch Normal file
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@@ -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 *);