Local changes: - In contrib/libpcap/pcap/bpf.h, do not include pcap/dlt.h. Our system net/dlt.h is pulled in from net/bpf.h. - sys/net/dlt.h: Incorporate changes from libpcap 1.10.3. - lib/libpcap/Makefile: Update for libpcap 1.10.3. Changelog: https://git.tcpdump.org/libpcap/blob/95691ebe7564afa3faa5c6ba0dbd17e351be455a:/CHANGES Reviewed by: emaste Obtained from: https://www.tcpdump.org/release/libpcap-1.10.3.tar.gz Sponsored by: The FreeBSD Foundation
667 lines
21 KiB
C
667 lines
21 KiB
C
/*
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* Copyright (c) 1994, 1995, 1996
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the Computer Systems
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* Engineering Group at Lawrence Berkeley Laboratory.
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* 4. Neither the name of the University nor of the Laboratory may be used
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* to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef pcap_int_h
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#define pcap_int_h
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#include <stddef.h>
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#include <signal.h>
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#include <pcap/pcap.h>
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#ifdef MSDOS
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#include <fcntl.h>
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#include <io.h>
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#endif
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#include "varattrs.h"
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#include "fmtutils.h"
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#include <stdarg.h>
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#include "portability.h"
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/*
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* If we're compiling with Visual Studio, make sure we have at least
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* VS 2015 or later, so we have sufficient C99 support.
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*
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* XXX - verify that we have at least C99 support on UN*Xes?
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*
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* What about MinGW or various DOS toolchains? We're currently assuming
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* sufficient C99 support there.
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*/
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#if defined(_MSC_VER)
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/*
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* Compiler is MSVC. Make sure we have VS 2015 or later.
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*/
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#if _MSC_VER < 1900
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#error "Building libpcap requires VS 2015 or later"
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#endif
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#endif
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/*
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* Version string.
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* Uses PACKAGE_VERSION from config.h.
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*/
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#define PCAP_VERSION_STRING "libpcap version " PACKAGE_VERSION
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* If pcap_new_api is set, we disable pcap_lookupdev(), because:
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*
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* it's not thread-safe, and is marked as deprecated, on all
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* platforms;
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*
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* on Windows, it may return UTF-16LE strings, which the program
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* might then pass to pcap_create() (or to pcap_open_live(), which
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* then passes them to pcap_create()), requiring pcap_create() to
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* check for UTF-16LE strings using a hack, and that hack 1)
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* *cannot* be 100% reliable and 2) runs the risk of going past the
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* end of the string.
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*
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* We keep it around in legacy mode for compatibility.
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*
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* We also disable the aforementioned hack in pcap_create().
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*/
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extern int pcap_new_api;
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/*
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* If pcap_utf_8_mode is set, on Windows we treat strings as UTF-8.
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*
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* On UN*Xes, we assume all strings are and should be in UTF-8, regardless
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* of the setting of this flag.
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*/
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extern int pcap_utf_8_mode;
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/*
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* Swap byte ordering of unsigned long long timestamp on a big endian
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* machine.
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*/
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#define SWAPLL(ull) ((ull & 0xff00000000000000ULL) >> 56) | \
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((ull & 0x00ff000000000000ULL) >> 40) | \
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((ull & 0x0000ff0000000000ULL) >> 24) | \
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((ull & 0x000000ff00000000ULL) >> 8) | \
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((ull & 0x00000000ff000000ULL) << 8) | \
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((ull & 0x0000000000ff0000ULL) << 24) | \
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((ull & 0x000000000000ff00ULL) << 40) | \
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((ull & 0x00000000000000ffULL) << 56)
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/*
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* Maximum snapshot length.
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*
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* Somewhat arbitrary, but chosen to be:
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*
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* 1) big enough for maximum-size Linux loopback packets (65549)
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* and some USB packets captured with USBPcap:
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*
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* https://desowin.org/usbpcap/
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*
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* (> 131072, < 262144)
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*
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* and
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*
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* 2) small enough not to cause attempts to allocate huge amounts of
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* memory; some applications might use the snapshot length in a
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* savefile header to control the size of the buffer they allocate,
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* so a size of, say, 2^31-1 might not work well. (libpcap uses it
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* as a hint, but doesn't start out allocating a buffer bigger than
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* 2 KiB, and grows the buffer as necessary, but not beyond the
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* per-linktype maximum snapshot length. Other code might naively
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* use it; we want to avoid writing a too-large snapshot length,
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* in order not to cause that code problems.)
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*
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* We don't enforce this in pcap_set_snaplen(), but we use it internally.
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*/
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#define MAXIMUM_SNAPLEN 262144
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/*
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* Locale-independent macros for testing character types.
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* These can be passed any integral value, without worrying about, for
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* example, sign-extending char values, unlike the C macros.
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*/
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#define PCAP_ISDIGIT(c) \
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((c) >= '0' && (c) <= '9')
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#define PCAP_ISXDIGIT(c) \
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(((c) >= '0' && (c) <= '9') || \
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((c) >= 'A' && (c) <= 'F') || \
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((c) >= 'a' && (c) <= 'f'))
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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 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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int nonblock; /* non-blocking mode - don't wait for packets to be delivered, return "no packets available" */
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int tstamp_type;
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int tstamp_precision;
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/*
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* Platform-dependent options.
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*/
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#ifdef __linux__
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int protocol; /* protocol to use when creating PF_PACKET socket */
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#endif
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#ifdef _WIN32
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int nocapture_local;/* disable NPF loopback */
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#endif
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};
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typedef int (*activate_op_t)(pcap_t *);
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typedef int (*can_set_rfmon_op_t)(pcap_t *);
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typedef int (*read_op_t)(pcap_t *, int cnt, pcap_handler, u_char *);
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typedef int (*next_packet_op_t)(pcap_t *, struct pcap_pkthdr *, u_char **);
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typedef int (*inject_op_t)(pcap_t *, const void *, int);
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typedef void (*save_current_filter_op_t)(pcap_t *, const char *);
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typedef int (*setfilter_op_t)(pcap_t *, struct bpf_program *);
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typedef int (*setdirection_op_t)(pcap_t *, pcap_direction_t);
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typedef int (*set_datalink_op_t)(pcap_t *, int);
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typedef int (*getnonblock_op_t)(pcap_t *);
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typedef int (*setnonblock_op_t)(pcap_t *, int);
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typedef int (*stats_op_t)(pcap_t *, struct pcap_stat *);
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typedef void (*breakloop_op_t)(pcap_t *);
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#ifdef _WIN32
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typedef struct pcap_stat *(*stats_ex_op_t)(pcap_t *, int *);
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typedef int (*setbuff_op_t)(pcap_t *, int);
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typedef int (*setmode_op_t)(pcap_t *, int);
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typedef int (*setmintocopy_op_t)(pcap_t *, int);
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typedef HANDLE (*getevent_op_t)(pcap_t *);
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typedef int (*oid_get_request_op_t)(pcap_t *, bpf_u_int32, void *, size_t *);
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typedef int (*oid_set_request_op_t)(pcap_t *, bpf_u_int32, const void *, size_t *);
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typedef u_int (*sendqueue_transmit_op_t)(pcap_t *, pcap_send_queue *, int);
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typedef int (*setuserbuffer_op_t)(pcap_t *, int);
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typedef int (*live_dump_op_t)(pcap_t *, char *, int, int);
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typedef int (*live_dump_ended_op_t)(pcap_t *, int);
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typedef PAirpcapHandle (*get_airpcap_handle_op_t)(pcap_t *);
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#endif
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typedef void (*cleanup_op_t)(pcap_t *);
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/*
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* We put all the stuff used in the read code path at the beginning,
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* to try to keep it together in the same cache line or lines.
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*/
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struct pcap {
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/*
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* Method to call to read packets on a live capture.
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*/
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read_op_t read_op;
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/*
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* Method to call to read the next packet from a savefile.
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*/
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next_packet_op_t next_packet_op;
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#ifdef _WIN32
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HANDLE handle;
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#else
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int fd;
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#endif /* _WIN32 */
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/*
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* Read buffer.
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*/
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u_int bufsize;
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void *buffer;
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u_char *bp;
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int cc;
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sig_atomic_t break_loop; /* flag set to force break from packet-reading loop */
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void *priv; /* private data for methods */
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#ifdef ENABLE_REMOTE
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struct pcap_samp rmt_samp; /* parameters related to the sampling process. */
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#endif
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int swapped;
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FILE *rfile; /* null if live capture, non-null if savefile */
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u_int fddipad;
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struct pcap *next; /* list of open pcaps that need stuff cleared on close */
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/*
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* File version number; meaningful only for a savefile, but we
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* keep it here so that apps that (mistakenly) ask for the
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* version numbers will get the same zero values that they
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* always did.
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*/
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int version_major;
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int version_minor;
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int snapshot;
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int linktype; /* Network linktype */
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int linktype_ext; /* Extended information stored in the linktype field of a file */
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int offset; /* offset for proper alignment */
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int activated; /* true if the capture is really started */
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int oldstyle; /* if we're opening with pcap_open_live() */
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struct pcap_opt opt;
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/*
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* Place holder for pcap_next().
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*/
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u_char *pkt;
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#ifdef _WIN32
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struct pcap_stat stat; /* used for pcap_stats_ex() */
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#endif
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/* We're accepting only packets in this direction/these directions. */
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pcap_direction_t direction;
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/*
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* Flags to affect BPF code generation.
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*/
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int bpf_codegen_flags;
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#if !defined(_WIN32) && !defined(MSDOS)
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int selectable_fd; /* FD on which select()/poll()/epoll_wait()/kevent()/etc. can be done */
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/*
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* In case there either is no selectable FD, or there is but
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* it doesn't necessarily work (e.g., if it doesn't get notified
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* if the packet capture timeout expires before the buffer
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* fills up), this points to a timeout that should be used
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* in select()/poll()/epoll_wait()/kevent() call. The pcap_t should
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* be put into non-blocking mode, and, if the timeout expires on
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* the call, an attempt should be made to read packets from all
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* pcap_t's with a required timeout, and the code must be
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* prepared not to see any packets from the attempt.
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*/
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const struct timeval *required_select_timeout;
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#endif
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/*
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* Placeholder for filter code if bpf not in kernel.
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*/
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struct bpf_program fcode;
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char errbuf[PCAP_ERRBUF_SIZE + 1];
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#ifdef _WIN32
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char acp_errbuf[PCAP_ERRBUF_SIZE + 1]; /* buffer for local code page error strings */
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#endif
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int dlt_count;
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u_int *dlt_list;
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int tstamp_type_count;
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u_int *tstamp_type_list;
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int tstamp_precision_count;
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u_int *tstamp_precision_list;
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struct pcap_pkthdr pcap_header; /* This is needed for the pcap_next_ex() to work */
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/*
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* More methods.
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*/
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activate_op_t activate_op;
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can_set_rfmon_op_t can_set_rfmon_op;
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inject_op_t inject_op;
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save_current_filter_op_t save_current_filter_op;
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setfilter_op_t setfilter_op;
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setdirection_op_t setdirection_op;
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set_datalink_op_t set_datalink_op;
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getnonblock_op_t getnonblock_op;
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setnonblock_op_t setnonblock_op;
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stats_op_t stats_op;
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breakloop_op_t breakloop_op;
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/*
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* Routine to use as callback for pcap_next()/pcap_next_ex().
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*/
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pcap_handler oneshot_callback;
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#ifdef _WIN32
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/*
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* These are, at least currently, specific to the Win32 NPF
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* driver.
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*/
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stats_ex_op_t stats_ex_op;
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setbuff_op_t setbuff_op;
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setmode_op_t setmode_op;
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setmintocopy_op_t setmintocopy_op;
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getevent_op_t getevent_op;
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oid_get_request_op_t oid_get_request_op;
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oid_set_request_op_t oid_set_request_op;
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sendqueue_transmit_op_t sendqueue_transmit_op;
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setuserbuffer_op_t setuserbuffer_op;
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live_dump_op_t live_dump_op;
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live_dump_ended_op_t live_dump_ended_op;
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get_airpcap_handle_op_t get_airpcap_handle_op;
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#endif
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cleanup_op_t cleanup_op;
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};
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/*
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* BPF code generation flags.
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*/
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#define BPF_SPECIAL_VLAN_HANDLING 0x00000001 /* special VLAN handling for Linux */
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/*
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* This is a timeval as stored in a savefile.
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* It has to use the same types everywhere, independent of the actual
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* `struct timeval'; `struct timeval' has 32-bit tv_sec values on some
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* platforms and 64-bit tv_sec values on other platforms, and writing
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* out native `struct timeval' values would mean files could only be
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* read on systems with the same tv_sec size as the system on which
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* the file was written.
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*/
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struct pcap_timeval {
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bpf_int32 tv_sec; /* seconds */
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bpf_int32 tv_usec; /* microseconds */
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};
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/*
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* This is a `pcap_pkthdr' as actually stored in a savefile.
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*
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* Do not change the format of this structure, in any way (this includes
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* changes that only affect the length of fields in this structure),
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* and do not make the time stamp anything other than seconds and
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* microseconds (e.g., seconds and nanoseconds). Instead:
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*
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* introduce a new structure for the new format;
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*
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* send mail to "tcpdump-workers@lists.tcpdump.org", requesting
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* a new magic number for your new capture file format, and, when
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* you get the new magic number, put it in "savefile.c";
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*
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* use that magic number for save files with the changed record
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* header;
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*
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* make the code in "savefile.c" capable of reading files with
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* the old record header as well as files with the new record header
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* (using the magic number to determine the header format).
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*
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* Then supply the changes by forking the branch at
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*
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* https://github.com/the-tcpdump-group/libpcap/tree/master
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*
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* and issuing a pull request, so that future versions of libpcap and
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* programs that use it (such as tcpdump) will be able to read your new
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* capture file format.
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*/
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struct pcap_sf_pkthdr {
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struct pcap_timeval ts; /* time stamp */
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bpf_u_int32 caplen; /* length of portion present */
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bpf_u_int32 len; /* length of this packet (off wire) */
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};
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/*
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* How a `pcap_pkthdr' is actually stored in savefiles written
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* by some patched versions of libpcap (e.g. the ones in Red
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* Hat Linux 6.1 and 6.2).
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*
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* Do not change the format of this structure, in any way (this includes
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* changes that only affect the length of fields in this structure).
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* Instead, introduce a new structure, as per the above.
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*/
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struct pcap_sf_patched_pkthdr {
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struct pcap_timeval ts; /* time stamp */
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bpf_u_int32 caplen; /* length of portion present */
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bpf_u_int32 len; /* length of this packet (off wire) */
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int index;
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unsigned short protocol;
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unsigned char pkt_type;
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};
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/*
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* User data structure for the one-shot callback used for pcap_next()
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* and pcap_next_ex().
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*/
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struct oneshot_userdata {
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struct pcap_pkthdr *hdr;
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const u_char **pkt;
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pcap_t *pd;
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};
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#ifndef min
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#define min(a, b) ((a) > (b) ? (b) : (a))
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#endif
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int pcap_offline_read(pcap_t *, int, pcap_handler, u_char *);
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/*
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* Does the packet count argument to a module's read routine say
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* "supply packets until you run out of packets"?
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*/
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#define PACKET_COUNT_IS_UNLIMITED(count) ((count) <= 0)
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/*
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* Routines that most pcap implementations can use for non-blocking mode.
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*/
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#if !defined(_WIN32) && !defined(MSDOS)
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int pcap_getnonblock_fd(pcap_t *);
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int pcap_setnonblock_fd(pcap_t *p, int);
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#endif
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/*
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* Internal interfaces for "pcap_create()".
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*
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* "pcap_create_interface()" is the routine to do a pcap_create on
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* a regular network interface. There are multiple implementations
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* of this, one for each platform type (Linux, BPF, DLPI, etc.),
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|
* with the one used chosen by the configure script.
|
|
*
|
|
* "pcap_create_common()" allocates and fills in a pcap_t, for use
|
|
* by pcap_create routines.
|
|
*/
|
|
pcap_t *pcap_create_interface(const char *, char *);
|
|
|
|
/*
|
|
* This wrapper takes an error buffer pointer and a type to use for the
|
|
* private data, and calls pcap_create_common(), passing it the error
|
|
* buffer pointer, the size for the private data type, in bytes, and the
|
|
* offset of the private data from the beginning of the structure, in
|
|
* bytes.
|
|
*/
|
|
#define PCAP_CREATE_COMMON(ebuf, type) \
|
|
pcap_create_common(ebuf, \
|
|
sizeof (struct { pcap_t __common; type __private; }), \
|
|
offsetof (struct { pcap_t __common; type __private; }, __private))
|
|
pcap_t *pcap_create_common(char *, size_t, size_t);
|
|
int pcap_do_addexit(pcap_t *);
|
|
void pcap_add_to_pcaps_to_close(pcap_t *);
|
|
void pcap_remove_from_pcaps_to_close(pcap_t *);
|
|
void pcap_cleanup_live_common(pcap_t *);
|
|
int pcap_check_activated(pcap_t *);
|
|
void pcap_breakloop_common(pcap_t *);
|
|
|
|
/*
|
|
* Internal interfaces for "pcap_findalldevs()".
|
|
*
|
|
* A pcap_if_list_t * is a reference to a list of devices.
|
|
*
|
|
* A get_if_flags_func is a platform-dependent function called to get
|
|
* additional interface flags.
|
|
*
|
|
* "pcap_platform_finddevs()" is the platform-dependent routine to
|
|
* find local network interfaces.
|
|
*
|
|
* "pcap_findalldevs_interfaces()" is a helper to find those interfaces
|
|
* using the "standard" mechanisms (SIOCGIFCONF, "getifaddrs()", etc.).
|
|
*
|
|
* "add_dev()" adds an entry to a pcap_if_list_t.
|
|
*
|
|
* "find_dev()" tries to find a device, by name, in a pcap_if_list_t.
|
|
*
|
|
* "find_or_add_dev()" checks whether a device is already in a pcap_if_list_t
|
|
* and, if not, adds an entry for it.
|
|
*/
|
|
struct pcap_if_list;
|
|
typedef struct pcap_if_list pcap_if_list_t;
|
|
typedef int (*get_if_flags_func)(const char *, bpf_u_int32 *, char *);
|
|
int pcap_platform_finddevs(pcap_if_list_t *, char *);
|
|
#if !defined(_WIN32) && !defined(MSDOS)
|
|
int pcap_findalldevs_interfaces(pcap_if_list_t *, char *,
|
|
int (*)(const char *), get_if_flags_func);
|
|
#endif
|
|
pcap_if_t *find_or_add_dev(pcap_if_list_t *, const char *, bpf_u_int32,
|
|
get_if_flags_func, const char *, char *);
|
|
pcap_if_t *find_dev(pcap_if_list_t *, const char *);
|
|
pcap_if_t *add_dev(pcap_if_list_t *, const char *, bpf_u_int32, const char *,
|
|
char *);
|
|
int add_addr_to_dev(pcap_if_t *, struct sockaddr *, size_t,
|
|
struct sockaddr *, size_t, struct sockaddr *, size_t,
|
|
struct sockaddr *dstaddr, size_t, char *errbuf);
|
|
#ifndef _WIN32
|
|
pcap_if_t *find_or_add_if(pcap_if_list_t *, const char *, bpf_u_int32,
|
|
get_if_flags_func, char *);
|
|
int add_addr_to_if(pcap_if_list_t *, const char *, bpf_u_int32,
|
|
get_if_flags_func,
|
|
struct sockaddr *, size_t, struct sockaddr *, size_t,
|
|
struct sockaddr *, size_t, struct sockaddr *, size_t, char *);
|
|
#endif
|
|
|
|
/*
|
|
* Internal interfaces for "pcap_open_offline()" and other savefile
|
|
* I/O routines.
|
|
*
|
|
* "pcap_open_offline_common()" allocates and fills in a pcap_t, for use
|
|
* by pcap_open_offline routines.
|
|
*
|
|
* "pcap_adjust_snapshot()" adjusts the snapshot to be non-zero and
|
|
* fit within an int.
|
|
*
|
|
* "sf_cleanup()" closes the file handle associated with a pcap_t, if
|
|
* appropriate, and frees all data common to all modules for handling
|
|
* savefile types.
|
|
*
|
|
* "charset_fopen()", in UTF-8 mode on Windows, does an fopen() that
|
|
* treats the pathname as being in UTF-8, rather than the local
|
|
* code page, on Windows.
|
|
*/
|
|
|
|
/*
|
|
* This wrapper takes an error buffer pointer and a type to use for the
|
|
* private data, and calls pcap_create_common(), passing it the error
|
|
* buffer pointer, the size for the private data type, in bytes, and the
|
|
* offset of the private data from the beginning of the structure, in
|
|
* bytes.
|
|
*/
|
|
#define PCAP_OPEN_OFFLINE_COMMON(ebuf, type) \
|
|
pcap_open_offline_common(ebuf, \
|
|
sizeof (struct { pcap_t __common; type __private; }), \
|
|
offsetof (struct { pcap_t __common; type __private; }, __private))
|
|
pcap_t *pcap_open_offline_common(char *ebuf, size_t total_size,
|
|
size_t private_data);
|
|
bpf_u_int32 pcap_adjust_snapshot(bpf_u_int32 linktype, bpf_u_int32 snaplen);
|
|
void sf_cleanup(pcap_t *p);
|
|
#ifdef _WIN32
|
|
FILE *charset_fopen(const char *path, const char *mode);
|
|
#else
|
|
/*
|
|
* On other OSes, just use Boring Old fopen().
|
|
*/
|
|
#define charset_fopen(path, mode) fopen((path), (mode))
|
|
#endif
|
|
|
|
/*
|
|
* Internal interfaces for loading code at run time.
|
|
*/
|
|
#ifdef _WIN32
|
|
#define pcap_code_handle_t HMODULE
|
|
#define pcap_funcptr_t FARPROC
|
|
|
|
pcap_code_handle_t pcap_load_code(const char *);
|
|
pcap_funcptr_t pcap_find_function(pcap_code_handle_t, const char *);
|
|
#endif
|
|
|
|
/*
|
|
* Internal interfaces for doing user-mode filtering of packets and
|
|
* validating filter programs.
|
|
*/
|
|
/*
|
|
* Auxiliary data, for use when interpreting a filter intended for the
|
|
* Linux kernel when the kernel rejects the filter (requiring us to
|
|
* run it in userland). It contains VLAN tag information.
|
|
*/
|
|
struct pcap_bpf_aux_data {
|
|
u_short vlan_tag_present;
|
|
u_short vlan_tag;
|
|
};
|
|
|
|
/*
|
|
* Filtering routine that takes the auxiliary data as an additional
|
|
* argument.
|
|
*/
|
|
u_int pcap_filter_with_aux_data(const struct bpf_insn *,
|
|
const u_char *, u_int, u_int, const struct pcap_bpf_aux_data *);
|
|
|
|
/*
|
|
* Filtering routine that doesn't.
|
|
*/
|
|
u_int pcap_filter(const struct bpf_insn *, const u_char *, u_int, u_int);
|
|
|
|
/*
|
|
* Routine to validate a BPF program.
|
|
*/
|
|
int pcap_validate_filter(const struct bpf_insn *, int);
|
|
|
|
/*
|
|
* Internal interfaces for both "pcap_create()" and routines that
|
|
* open savefiles.
|
|
*
|
|
* "pcap_oneshot()" is the standard one-shot callback for "pcap_next()"
|
|
* and "pcap_next_ex()".
|
|
*/
|
|
void pcap_oneshot(u_char *, const struct pcap_pkthdr *, const u_char *);
|
|
|
|
int install_bpf_program(pcap_t *, struct bpf_program *);
|
|
|
|
int pcap_strcasecmp(const char *, const char *);
|
|
|
|
/*
|
|
* Internal interfaces for pcap_createsrcstr and pcap_parsesrcstr with
|
|
* the additional bit of information regarding SSL support (rpcap:// vs.
|
|
* rpcaps://).
|
|
*/
|
|
int pcap_createsrcstr_ex(char *, int, const char *, const char *,
|
|
const char *, unsigned char, char *);
|
|
int pcap_parsesrcstr_ex(const char *, int *, char *, char *,
|
|
char *, unsigned char *, char *);
|
|
|
|
#ifdef YYDEBUG
|
|
extern int pcap_debug;
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|