+++ /dev/null
---- a/pcap-linux.c
-+++ b/pcap-linux.c
-@@ -297,6 +297,12 @@ pcap_create(const char *device, char *eb
- {
- pcap_t *handle;
-
-+ /*
-+ * A null device name is equivalent to the "any" device.
-+ */
-+ if (device == NULL)
-+ device = "any";
-+
- #ifdef HAVE_DAG_API
- if (strstr(device, "dag")) {
- return dag_create(device, ebuf);
-@@ -338,10 +344,9 @@ pcap_can_set_rfmon_linux(pcap_t *p)
- struct iwreq ireq;
- #endif
-
-- if (p->opt.source == NULL) {
-+ if (strcmp(p->opt.source, "any") == 0) {
- /*
-- * This is equivalent to the "any" device, and we don't
-- * support monitor mode on it.
-+ * Monitor mode makes no sense on the "any" device.
- */
- return 0;
- }
-@@ -518,12 +523,11 @@ pcap_activate_linux(pcap_t *handle)
- handle->stats_op = pcap_stats_linux;
-
- /*
-- * NULL and "any" are special devices which give us the hint to
-- * monitor all devices.
-+ * The "any" device is a special device which causes us not
-+ * to bind to a particular device and thus to look at all
-+ * devices.
- */
-- if (!device || strcmp(device, "any") == 0) {
-- device = NULL;
-- handle->md.device = strdup("any");
-+ if (strcmp(device, "any") == 0) {
- if (handle->opt.promisc) {
- handle->opt.promisc = 0;
- /* Just a warning. */
-@@ -531,10 +535,9 @@ pcap_activate_linux(pcap_t *handle)
- "Promiscuous mode not supported on the \"any\" device");
- status = PCAP_WARNING_PROMISC_NOTSUP;
- }
-+ }
-
-- } else
-- handle->md.device = strdup(device);
--
-+ handle->md.device = strdup(device);
- if (handle->md.device == NULL) {
- snprintf(handle->errbuf, PCAP_ERRBUF_SIZE, "strdup: %s",
- pcap_strerror(errno) );
-@@ -1657,19 +1660,21 @@ static int
- activate_new(pcap_t *handle)
- {
- #ifdef HAVE_PF_PACKET_SOCKETS
-+ const char *device = handle->opt.source;
-+ int is_any_device = (strcmp(device, "any") == 0);
- int sock_fd = -1, arptype, val;
- int err = 0;
- struct packet_mreq mr;
-- const char* device = handle->opt.source;
-
- /*
-- * Open a socket with protocol family packet. If a device is
-- * given we try to open it in raw mode otherwise we use
-- * the cooked interface.
-- */
-- sock_fd = device ?
-- socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL))
-- : socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_ALL));
-+ * Open a socket with protocol family packet. If the
-+ * "any" device was specified, we open a SOCK_DGRAM
-+ * socket for the cooked interface, otherwise we first
-+ * 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));
-
- if (sock_fd == -1) {
- snprintf(handle->errbuf, PCAP_ERRBUF_SIZE, "socket: %s",
-@@ -1704,7 +1709,7 @@ activate_new(pcap_t *handle)
- * to cooked mode if we have an unknown interface type
- * or a type we know doesn't work well in raw mode.
- */
-- if (device) {
-+ if (!is_any_device) {
- /* Assume for now we don't need cooked mode. */
- handle->md.cooked = 0;
-
-@@ -1819,15 +1824,23 @@ activate_new(pcap_t *handle)
- }
- } else {
- /*
-- * This is cooked mode.
-+ * The "any" device.
-+ */
-+ if (handle->opt.rfmon) {
-+ /*
-+ * It doesn't support monitor mode.
-+ */
-+ return PCAP_ERROR_RFMON_NOTSUP;
-+ }
-+
-+ /*
-+ * It uses cooked mode.
- */
- handle->md.cooked = 1;
- handle->linktype = DLT_LINUX_SLL;
-
- /*
- * We're not bound to a device.
-- * XXX - true? Or true only if we're using
-- * the "any" device?
- * For now, we're using this as an indication
- * that we can't transmit; stop doing that only
- * if we figure out how to transmit in cooked
-@@ -1852,10 +1865,13 @@ activate_new(pcap_t *handle)
-
- /*
- * Hmm, how can we set promiscuous mode on all interfaces?
-- * I am not sure if that is possible at all.
-+ * I am not sure if that is possible at all. For now, we
-+ * silently ignore attempts to turn promiscuous mode on
-+ * for the "any" device (so you don't have to explicitly
-+ * disable it in programs such as tcpdump).
- */
-
-- if (device && handle->opt.promisc) {
-+ if (!is_any_device && handle->opt.promisc) {
- memset(&mr, 0, sizeof(mr));
- mr.mr_ifindex = handle->md.ifindex;
- mr.mr_type = PACKET_MR_PROMISC;
-@@ -3118,7 +3134,7 @@ activate_old(pcap_t *handle)
-
- /* Bind to the given device */
-
-- if (!device) {
-+ if (strcmp(device, "any") == 0) {
- strncpy(handle->errbuf, "pcap_activate: The \"any\" device isn't supported on 2.0[.x]-kernel systems",
- PCAP_ERRBUF_SIZE);
- return PCAP_ERROR;
+++ /dev/null
---- a/Makefile.in
-+++ b/Makefile.in
-@@ -484,6 +484,8 @@ install: libpcap.a pcap-config
- $(DESTDIR)$(includedir)/pcap-bpf.h
- $(INSTALL_DATA) $(srcdir)/pcap-namedb.h \
- $(DESTDIR)$(includedir)/pcap-namedb.h
-+ [ -d $(DESTDIR)$(bindir) ] || \
-+ (mkdir -p $(DESTDIR)$(bindir); chmod 755 $(DESTDIR)$(bindir))
- $(INSTALL_PROGRAM) pcap-config $(DESTDIR)$(bindir)/pcap-config
- for i in $(MAN1); do \
- $(INSTALL_DATA) $(srcdir)/$$i \
+++ /dev/null
-
- Copyright (C) 2006 Markus Wigge
-
---- a/Makefile.in
-+++ b/Makefile.in
-@@ -55,7 +55,7 @@ SHAREDLIB=$(SOLIBRARY).$(LIBVERSION)
- CC = @CC@
- CCOPT = @V_CCOPT@
- INCLS = -I. @V_INCLS@
--DEFS = @DEFS@ @V_DEFS@
-+DEFS = -D_BSD_SOURCE @DEFS@ @V_DEFS@
- LIBS = @V_LIBS@
- DAGLIBS = @DAGLIBS@
- DEPLIBS = @DEPLIBS@
+++ /dev/null
---- a/gencode.c
-+++ b/gencode.c
-@@ -439,20 +439,6 @@ pcap_compile_nopcap(int snaplen_arg, int
- }
-
- /*
-- * Clean up a "struct bpf_program" by freeing all the memory allocated
-- * in it.
-- */
--void
--pcap_freecode(struct bpf_program *program)
--{
-- program->bf_len = 0;
-- if (program->bf_insns != NULL) {
-- free((char *)program->bf_insns);
-- program->bf_insns = NULL;
-- }
--}
--
--/*
- * Backpatch the blocks in 'list' to 'target'. The 'sense' field indicates
- * which of the jt and jf fields has been resolved and which is a pointer
- * back to another unresolved block (or nil). At least one of the fields
---- a/pcap.c
-+++ b/pcap.c
-@@ -698,6 +698,59 @@ static const u_char charmap[] = {
- (u_char)'\374', (u_char)'\375', (u_char)'\376', (u_char)'\377',
- };
-
-+/*
-+ * Clean up a "struct bpf_program" by freeing all the memory allocated
-+ * in it.
-+ */
-+void
-+pcap_freecode(struct bpf_program *program)
-+{
-+ program->bf_len = 0;
-+ if (program->bf_insns != NULL) {
-+ free((char *)program->bf_insns);
-+ program->bf_insns = NULL;
-+ }
-+}
-+
-+/*
-+ * Make a copy of a BPF program and put it in the "fcode" member of
-+ * a "pcap_t".
-+ *
-+ * If we fail to allocate memory for the copy, fill in the "errbuf"
-+ * member of the "pcap_t" with an error message, and return -1;
-+ * otherwise, return 0.
-+ */
-+int
-+install_bpf_program(pcap_t *p, struct bpf_program *fp)
-+{
-+ size_t prog_size;
-+
-+ /*
-+ * Validate the program.
-+ */
-+ if (!bpf_validate(fp->bf_insns, fp->bf_len)) {
-+ snprintf(p->errbuf, sizeof(p->errbuf),
-+ "BPF program is not valid");
-+ return (-1);
-+ }
-+
-+ /*
-+ * Free up any already installed program.
-+ */
-+ pcap_freecode(&p->fcode);
-+
-+ prog_size = sizeof(*fp->bf_insns) * fp->bf_len;
-+ p->fcode.bf_len = fp->bf_len;
-+ p->fcode.bf_insns = (struct bpf_insn *)malloc(prog_size);
-+ if (p->fcode.bf_insns == NULL) {
-+ snprintf(p->errbuf, sizeof(p->errbuf),
-+ "malloc: %s", pcap_strerror(errno));
-+ return (-1);
-+ }
-+ memcpy(p->fcode.bf_insns, fp->bf_insns, prog_size);
-+ return (0);
-+}
-+
- int
- pcap_strcasecmp(const char *s1, const char *s2)
- {
---- a/optimize.c
-+++ b/optimize.c
-@@ -2278,45 +2278,6 @@ icode_to_fcode(root, lenp)
- return fp;
- }
-
--/*
-- * Make a copy of a BPF program and put it in the "fcode" member of
-- * a "pcap_t".
-- *
-- * If we fail to allocate memory for the copy, fill in the "errbuf"
-- * member of the "pcap_t" with an error message, and return -1;
-- * otherwise, return 0.
-- */
--int
--install_bpf_program(pcap_t *p, struct bpf_program *fp)
--{
-- size_t prog_size;
--
-- /*
-- * Validate the program.
-- */
-- if (!bpf_validate(fp->bf_insns, fp->bf_len)) {
-- snprintf(p->errbuf, sizeof(p->errbuf),
-- "BPF program is not valid");
-- return (-1);
-- }
--
-- /*
-- * Free up any already installed program.
-- */
-- pcap_freecode(&p->fcode);
--
-- prog_size = sizeof(*fp->bf_insns) * fp->bf_len;
-- p->fcode.bf_len = fp->bf_len;
-- p->fcode.bf_insns = (struct bpf_insn *)malloc(prog_size);
-- if (p->fcode.bf_insns == NULL) {
-- snprintf(p->errbuf, sizeof(p->errbuf),
-- "malloc: %s", pcap_strerror(errno));
-- return (-1);
-- }
-- memcpy(p->fcode.bf_insns, fp->bf_insns, prog_size);
-- return (0);
--}
--
- #ifdef BDEBUG
- static void
- opt_dump(root)
+++ /dev/null
---- 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 *);
projects / 15.05 / openwrt.git / commitdiff