mirror of
git://git.openwrt.org/openwrt/openwrt.git
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4297f4f901
Update libpcap to upstream release 1.8.1 Change the name from libpcap.so.1.3 to libpcap.so.1 Remove parts of patch 201 which moved code among src files. Import patch 204 from Debian to update the USB path. Signed-off-by: Paul Wassi <p.wassi@gmx.at> Signed-off-by: Felix Fietkau <nbd@nbd.name> [fix parallel build bug]
143 lines
4.7 KiB
Diff
143 lines
4.7 KiB
Diff
This API extension is used by ead (Emergency Access Daemon)
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--- a/pcap-linux.c
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+++ b/pcap-linux.c
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@@ -425,7 +425,7 @@ static int iface_get_id(int fd, const ch
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static int iface_get_mtu(int fd, const char *device, char *ebuf);
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static int iface_get_arptype(int fd, const char *device, char *ebuf);
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#ifdef HAVE_PF_PACKET_SOCKETS
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-static int iface_bind(int fd, int ifindex, char *ebuf);
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+static int iface_bind(int fd, int ifindex, char *ebuf, unsigned short proto);
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#ifdef IW_MODE_MONITOR
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static int has_wext(int sock_fd, const char *device, char *ebuf);
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#endif /* IW_MODE_MONITOR */
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@@ -1059,7 +1059,7 @@ pcap_can_set_rfmon_linux(pcap_t *handle)
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* (We assume that if we have Wireless Extensions support
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* we also have PF_PACKET support.)
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*/
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- sock_fd = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
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+ sock_fd = socket(PF_PACKET, SOCK_RAW, p->opt.proto);
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if (sock_fd == -1) {
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(void)pcap_snprintf(handle->errbuf, PCAP_ERRBUF_SIZE,
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"socket: %s", pcap_strerror(errno));
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@@ -1456,6 +1456,9 @@ pcap_activate_linux(pcap_t *handle)
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handle->read_op = pcap_read_linux;
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handle->stats_op = pcap_stats_linux;
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+ if (handle->opt.proto < 0)
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+ handle->opt.proto = (int) htons(ETH_P_ALL);
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+
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/*
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* The "any" device is a special device which causes us not
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* to bind to a particular device and thus to look at all
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@@ -3335,8 +3338,8 @@ activate_new(pcap_t *handle)
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* try a SOCK_RAW socket for the raw interface.
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*/
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sock_fd = is_any_device ?
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- socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_ALL)) :
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- socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
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+ socket(PF_PACKET, SOCK_DGRAM, handle->opt.proto) :
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+ socket(PF_PACKET, SOCK_RAW, handle->opt.proto);
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if (sock_fd == -1) {
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if (errno == EINVAL || errno == EAFNOSUPPORT) {
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@@ -3454,7 +3457,7 @@ activate_new(pcap_t *handle)
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return PCAP_ERROR;
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}
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sock_fd = socket(PF_PACKET, SOCK_DGRAM,
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- htons(ETH_P_ALL));
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+ handle->opt.proto);
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if (sock_fd == -1) {
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pcap_snprintf(handle->errbuf, PCAP_ERRBUF_SIZE,
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"socket: %s", pcap_strerror(errno));
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@@ -3518,7 +3521,7 @@ activate_new(pcap_t *handle)
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}
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if ((err = iface_bind(sock_fd, handlep->ifindex,
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- handle->errbuf)) != 1) {
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+ handle->errbuf, handle->opt.proto)) != 1) {
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close(sock_fd);
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if (err < 0)
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return err;
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@@ -5271,7 +5274,7 @@ iface_get_id(int fd, const char *device,
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* or a PCAP_ERROR_ value on a hard error.
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*/
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static int
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-iface_bind(int fd, int ifindex, char *ebuf)
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+iface_bind(int fd, int ifindex, char *ebuf, unsigned short proto)
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{
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struct sockaddr_ll sll;
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int err;
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@@ -5280,7 +5283,7 @@ iface_bind(int fd, int ifindex, char *eb
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memset(&sll, 0, sizeof(sll));
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sll.sll_family = AF_PACKET;
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sll.sll_ifindex = ifindex;
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- sll.sll_protocol = htons(ETH_P_ALL);
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+ sll.sll_protocol = proto;
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if (bind(fd, (struct sockaddr *) &sll, sizeof(sll)) == -1) {
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if (errno == ENETDOWN) {
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@@ -6325,7 +6328,7 @@ activate_old(pcap_t *handle)
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/* Open the socket */
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- handle->fd = socket(PF_INET, SOCK_PACKET, htons(ETH_P_ALL));
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+ handle->fd = socket(PF_INET, SOCK_PACKET, handle->opt.proto);
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if (handle->fd == -1) {
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pcap_snprintf(handle->errbuf, PCAP_ERRBUF_SIZE,
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"socket: %s", pcap_strerror(errno));
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--- a/pcap.c
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+++ b/pcap.c
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@@ -578,6 +578,7 @@ pcap_create_common(char *ebuf, size_t si
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p->opt.promisc = 0;
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p->opt.rfmon = 0;
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p->opt.immediate = 0;
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+ p->opt.proto = -1;
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p->opt.tstamp_type = -1; /* default to not setting time stamp type */
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p->opt.tstamp_precision = PCAP_TSTAMP_PRECISION_MICRO;
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@@ -771,6 +772,15 @@ pcap_get_tstamp_precision(pcap_t *p)
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}
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int
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+pcap_set_protocol(pcap_t *p, unsigned short proto)
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+{
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+ if (pcap_check_activated(p))
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+ return PCAP_ERROR_ACTIVATED;
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+ p->opt.proto = proto;
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+ return 0;
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+}
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+
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+int
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pcap_activate(pcap_t *p)
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{
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int status;
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--- a/pcap/pcap.h
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+++ b/pcap/pcap.h
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@@ -68,6 +68,7 @@ extern "C" {
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#define PCAP_VERSION_MINOR 4
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#define PCAP_ERRBUF_SIZE 256
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+#define HAS_PROTO_EXTENSION
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/*
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* Compatibility for systems that have a bpf.h that
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@@ -287,6 +288,7 @@ PCAP_API int pcap_set_timeout(pcap_t *,
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PCAP_API int pcap_set_tstamp_type(pcap_t *, int);
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PCAP_API int pcap_set_immediate_mode(pcap_t *, int);
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PCAP_API int pcap_set_buffer_size(pcap_t *, int);
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+PCAP_API int pcap_set_protocol(pcap_t *, unsigned short);
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PCAP_API int pcap_set_tstamp_precision(pcap_t *, int);
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PCAP_API int pcap_get_tstamp_precision(pcap_t *);
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PCAP_API int pcap_activate(pcap_t *);
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--- a/pcap-int.h
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+++ b/pcap-int.h
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@@ -111,6 +111,7 @@ struct pcap_opt {
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char *device;
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int timeout; /* timeout for buffering */
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u_int buffer_size;
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+ int proto; /* protocol for packet socket (linux) */
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int promisc;
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int rfmon; /* monitor mode */
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int immediate; /* immediate mode - deliver packets as soon as they arrive */
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