forked from osmocom/wireshark
If we have "pcap_freecode()", use it to free the instructions for a BPF
filter after installing the filter. Set HAVE_PCAP_LIB_VERSION if we're building with WinPcap 3.1; it's not present in earlier versions, but is present in current 3.1 betas. Check HAVE_PCAP_LIB_VERSION when building capture-wpcap.c. svn path=/trunk/; revision=13872
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parent
79daa1e80e
commit
46e1907f13
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@ -205,6 +205,7 @@ config.h : config.h.win32 config.nmake
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-e "s/@HAVE_PCAP_FINDALLDEVS@/$(PCAP_FINDALLDEVS_CONFIG)/" \
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-e "s/@HAVE_PCAP_DATALINK_NAME_TO_VAL@/$(PCAP_DATALINK_NAME_TO_VAL_CONFIG)/" \
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-e "s/@HAVE_PCAP_DATALINK_VAL_TO_NAME@/$(PCAP_DATALINK_VAL_TO_NAME_CONFIG)/" \
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-e "s/@HAVE_PCAP_LIB_VERSION@/$(PCAP_LIB_VERSION_CONFIG)/" \
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-e "s/@HAVE_LIBETHEREALDLL@/$(LIBETHEREAL_CONFIG)/" \
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-e "s/@WPCAP_CONSTIFIED@/$(WPCAP_CONSTIFIED_CONFIG)/" \
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< config.h.win32 > $@
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@ -419,7 +419,7 @@ and did you also install that package?]]))
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else
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AC_MSG_RESULT(no)
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fi
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AC_CHECK_FUNCS(pcap_open_dead)
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AC_CHECK_FUNCS(pcap_open_dead pcap_freecode)
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#
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# Later versions of Mac OS X 10.3[.x] ship a pcap.h that
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# doesn't define pcap_if_t but ship an 0.8[.x] libpcap,
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@ -65,6 +65,7 @@ static int (*p_pcap_lookupnet) (char *, bpf_u_int32 *, bpf_u_int32 *,
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static pcap_t* (*p_pcap_open_live) (char *, int, int, int, char *);
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#endif
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static int (*p_pcap_loop) (pcap_t *, int, pcap_handler, guchar *);
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static void (*p_pcap_freecode) (struct bpf_program *);
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#ifdef HAVE_PCAP_FINDALLDEVS
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static int (*p_pcap_findalldevs) (pcap_if_t **, char *);
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static void (*p_pcap_freealldevs) (pcap_if_t *);
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@ -75,7 +76,9 @@ static int (*p_pcap_datalink_name_to_val) (const char *);
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#ifdef HAVE_PCAP_DATALINK_VAL_TO_NAME
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static const char *(*p_pcap_datalink_val_to_name) (int);
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#endif
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#ifdef HAVE_PCAP_LIB_VERSION
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static const char *(*p_pcap_lib_version) (void);
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#endif
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static int (*p_pcap_setbuff) (pcap_t *, int dim);
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typedef struct {
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@ -104,6 +107,7 @@ load_wpcap(void)
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SYM(pcap_lookupnet, FALSE),
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SYM(pcap_open_live, FALSE),
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SYM(pcap_loop, FALSE),
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SYM(pcap_freecode, FALSE),
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#ifdef HAVE_PCAP_FINDALLDEVS
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SYM(pcap_findalldevs, TRUE),
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SYM(pcap_freealldevs, TRUE),
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@ -114,7 +118,9 @@ load_wpcap(void)
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#ifdef HAVE_PCAP_DATALINK_VAL_TO_NAME
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SYM(pcap_datalink_val_to_name, TRUE),
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#endif
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#ifdef HAVE_PCAP_LIB_VERSION
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SYM(pcap_lib_version, TRUE),
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#endif
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SYM(pcap_setbuff, TRUE),
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{ NULL, NULL, FALSE }
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};
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@ -179,7 +185,6 @@ pcap_dispatch(pcap_t *a, int b, pcap_handler c, guchar *d)
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return p_pcap_dispatch(a, b, c, d);
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}
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int
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pcap_snapshot(pcap_t *a)
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{
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@ -187,7 +192,6 @@ pcap_snapshot(pcap_t *a)
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return p_pcap_snapshot(a);
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}
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int
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pcap_datalink(pcap_t *a)
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{
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@ -246,6 +250,13 @@ pcap_loop(pcap_t *a, int b, pcap_handler c, guchar *d)
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return p_pcap_loop(a, b, c, d);
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}
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void
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pcap_freecode(struct bpf_program *a)
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{
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g_assert(has_wpcap);
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p_pcap_freecode(a);
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}
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#ifdef HAVE_PCAP_FINDALLDEVS
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int
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pcap_findalldevs(pcap_if_t **a, char *b)
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@ -621,9 +632,12 @@ get_runtime_pcap_version(GString *str)
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}
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g_string_sprintfa(str, "with ");
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#ifdef HAVE_PCAP_LIB_VERSION
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if (p_pcap_lib_version != NULL)
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g_string_sprintfa(str, p_pcap_lib_version());
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else if (packetVer != NULL)
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else
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#endif
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if (packetVer != NULL)
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g_string_sprintfa(str, "WinPcap (%s)", packetVer);
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else
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g_string_append(str, "WinPcap (version unknown)");
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@ -764,8 +764,14 @@ static int capture_loop_init_filter(loop_data *ld, const gchar * iface, gchar *
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if (pcap_setfilter(ld->pcap_h, &fcode) < 0) {
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g_snprintf(errmsg, errmsg_len, "Can't install filter (%s).",
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pcap_geterr(ld->pcap_h));
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#ifdef HAVE_PCAP_FREECODE
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pcap_freecode(&fcode);
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#endif
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return FALSE;
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}
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#ifdef HAVE_PCAP_FREECODE
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pcap_freecode(&fcode);
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#endif
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}
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return TRUE;
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@ -284,11 +284,17 @@ PCAP_FINDALLDEVS_CONFIG=
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PCAP_DATALINK_VAL_TO_NAME_CONFIG=
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WPCAP_CONSTIFIED=
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!ENDIF
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!IF "$(WINPCAP_VERSION)" == "3.1"
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PCAP_LIB_VERSION_CONFIG=^#define HAVE_PCAP_LIB_VERSION 1
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!ELSE
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PCAP_LIB_VERSION_CONFIG=
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!ENDIF
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!ELSE
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WINPCAP_CONFIG=
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PCAP_FINDALLDEVS_CONFIG=
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PCAP_DATALINK_NAME_TO_VAL_CONFIG=
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PCAP_DATALINK_VAL_TO_NAME_CONFIG=
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PCAP_LIB_VERSION_CONFIG=
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WPCAP_CONSTIFIED=
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!ENDIF
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@ -1651,8 +1651,14 @@ capture(char *save_file, int out_file_type)
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if (pcap_setfilter(ld.pch, &fcode) < 0) {
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snprintf(errmsg, sizeof errmsg, "Can't install filter (%s).",
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pcap_geterr(ld.pch));
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#ifdef HAVE_PCAP_FREECODE
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pcap_freecode(&fcode);
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#endif
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goto error;
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}
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#ifdef HAVE_PCAP_FREECODE
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pcap_freecode(&fcode);
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#endif
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}
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/* Set up to write to the capture file. */
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