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pcap-int.h (109841) pcap-int.h (127667)
1/*
2 * Copyright (c) 1994, 1995, 1996
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
1/*
2 * Copyright (c) 1994, 1995, 1996
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * @(#) $Header: /tcpdump/master/libpcap/pcap-int.h,v 1.33 2001/08/24 07:46:52 guy Exp $ (LBL)
34 *
35 * $FreeBSD: head/contrib/libpcap/pcap-int.h 109841 2003-01-26 01:21:53Z fenner $
33 * $FreeBSD: head/contrib/libpcap/pcap-int.h 127667 2004-03-31 09:15:09Z bms $
34 * @(#) $Header: /tcpdump/master/libpcap/pcap-int.h,v 1.55.2.4 2003/12/15 01:42:24 guy Exp $ (LBL)
36 */
37
38#ifndef pcap_int_h
39#define pcap_int_h
40
41#ifdef __cplusplus
42extern "C" {
43#endif
44
45#include <pcap.h>
46
35 */
36
37#ifndef pcap_int_h
38#define pcap_int_h
39
40#ifdef __cplusplus
41extern "C" {
42#endif
43
44#include <pcap.h>
45
46#ifdef WIN32
47#include <packet32.h>
48#endif /* WIN32 */
49
47/*
48 * Savefile
49 */
50/*
51 * Savefile
52 */
53typedef enum {
54 NOT_SWAPPED,
55 SWAPPED,
56 MAYBE_SWAPPED
57} swapped_type_t;
58
50struct pcap_sf {
51 FILE *rfile;
52 int swapped;
53 int hdrsize;
59struct pcap_sf {
60 FILE *rfile;
61 int swapped;
62 int hdrsize;
63 swapped_type_t lengths_swapped;
54 int version_major;
55 int version_minor;
56 u_char *base;
57};
58
59struct pcap_md {
60 struct pcap_stat stat;
61 /*XXX*/

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66 long TotMissed; /* missed by i/f during this run */
67 long OrigMissed; /* missed by i/f before this run */
68#ifdef linux
69 int sock_packet; /* using Linux 2.0 compatible interface */
70 int timeout; /* timeout specified to pcap_open_live */
71 int clear_promisc; /* must clear promiscuous mode when we close */
72 int cooked; /* using SOCK_DGRAM rather than SOCK_RAW */
73 int lo_ifindex; /* interface index of the loopback device */
64 int version_major;
65 int version_minor;
66 u_char *base;
67};
68
69struct pcap_md {
70 struct pcap_stat stat;
71 /*XXX*/

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76 long TotMissed; /* missed by i/f during this run */
77 long OrigMissed; /* missed by i/f before this run */
78#ifdef linux
79 int sock_packet; /* using Linux 2.0 compatible interface */
80 int timeout; /* timeout specified to pcap_open_live */
81 int clear_promisc; /* must clear promiscuous mode when we close */
82 int cooked; /* using SOCK_DGRAM rather than SOCK_RAW */
83 int lo_ifindex; /* interface index of the loopback device */
74 char *device; /* device name */
84 char *device; /* device name */
75 struct pcap *next; /* list of open promiscuous sock_packet pcaps */
76#endif
85 struct pcap *next; /* list of open promiscuous sock_packet pcaps */
86#endif
87
88#ifdef HAVE_DAG_API
89 void *dag_mem_base; /* DAG card memory base address */
90 u_int dag_mem_bottom; /* DAG card current memory bottom pointer */
91 u_int dag_mem_top; /* DAG card current memory top pointer */
92 int dag_fcs_bits; /* Number of checksum bits from link layer */
93 int dag_offset_flags; /* Flags to pass to dag_offset(). */
94#endif
77};
78
79struct pcap {
95};
96
97struct pcap {
98#ifdef WIN32
99 ADAPTER *adapter;
100 LPPACKET Packet;
101 int timeout;
102 int nonblock;
103#else
80 int fd;
104 int fd;
105 int selectable_fd;
106#endif /* WIN32 */
81 int snapshot;
82 int linktype;
83 int tzoff; /* timezone offset */
84 int offset; /* offset for proper alignment */
85
107 int snapshot;
108 int linktype;
109 int tzoff; /* timezone offset */
110 int offset; /* offset for proper alignment */
111
112 int break_loop; /* flag set to force break from packet-reading loop */
113
86 struct pcap_sf sf;
87 struct pcap_md md;
88
89 /*
90 * Read buffer.
91 */
92 int bufsize;
93 u_char *buffer;
94 u_char *bp;
95 int cc;
96
97 /*
98 * Place holder for pcap_next().
99 */
100 u_char *pkt;
101
114 struct pcap_sf sf;
115 struct pcap_md md;
116
117 /*
118 * Read buffer.
119 */
120 int bufsize;
121 u_char *buffer;
122 u_char *bp;
123 int cc;
124
125 /*
126 * Place holder for pcap_next().
127 */
128 u_char *pkt;
129
102
103 /*
130 /*
131 * Methods.
132 */
133 int (*read_op)(pcap_t *, int cnt, pcap_handler, u_char *);
134 int (*setfilter_op)(pcap_t *, struct bpf_program *);
135 int (*set_datalink_op)(pcap_t *, int);
136 int (*getnonblock_op)(pcap_t *, char *);
137 int (*setnonblock_op)(pcap_t *, int, char *);
138 int (*stats_op)(pcap_t *, struct pcap_stat *);
139 void (*close_op)(pcap_t *);
140
141 /*
104 * Placeholder for filter code if bpf not in kernel.
105 */
106 struct bpf_program fcode;
107
142 * Placeholder for filter code if bpf not in kernel.
143 */
144 struct bpf_program fcode;
145
108 char errbuf[PCAP_ERRBUF_SIZE];
146 char errbuf[PCAP_ERRBUF_SIZE + 1];
109 int dlt_count;
110 int *dlt_list;
147 int dlt_count;
148 int *dlt_list;
149
150 struct pcap_pkthdr pcap_header; /* This is needed for the pcap_next_ex() to work */
111};
112
113/*
114 * This is a timeval as stored in disk in a dumpfile.
115 * It has to use the same types everywhere, independent of the actual
116 * `struct timeval'
117 */
118

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177#ifndef min
178#define min(a, b) ((a) > (b) ? (b) : (a))
179#endif
180
181/* XXX should these be in pcap.h? */
182int pcap_offline_read(pcap_t *, int, pcap_handler, u_char *);
183int pcap_read(pcap_t *, int cnt, pcap_handler, u_char *);
184
151};
152
153/*
154 * This is a timeval as stored in disk in a dumpfile.
155 * It has to use the same types everywhere, independent of the actual
156 * `struct timeval'
157 */
158

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217#ifndef min
218#define min(a, b) ((a) > (b) ? (b) : (a))
219#endif
220
221/* XXX should these be in pcap.h? */
222int pcap_offline_read(pcap_t *, int, pcap_handler, u_char *);
223int pcap_read(pcap_t *, int cnt, pcap_handler, u_char *);
224
225
185/*
186 * Ultrix, DEC OSF/1^H^H^H^H^H^H^H^H^HDigital UNIX^H^H^H^H^H^H^H^H^H^H^H^H
187 * Tru64 UNIX, and NetBSD pad to make everything line up on a nice boundary.
188 */
189#if defined(ultrix) || defined(__osf__) || defined(__NetBSD__)
190#define PCAP_FDDIPAD 3
191#endif
192
193#ifndef HAVE_STRLCPY
194#define strlcpy(x, y, z) \
195 (strncpy((x), (y), (z)), \
196 ((z) <= 0 ? 0 : ((x)[(z) - 1] = '\0')), \
197 strlen((y)))
198#endif
199
226/*
227 * Ultrix, DEC OSF/1^H^H^H^H^H^H^H^H^HDigital UNIX^H^H^H^H^H^H^H^H^H^H^H^H
228 * Tru64 UNIX, and NetBSD pad to make everything line up on a nice boundary.
229 */
230#if defined(ultrix) || defined(__osf__) || defined(__NetBSD__)
231#define PCAP_FDDIPAD 3
232#endif
233
234#ifndef HAVE_STRLCPY
235#define strlcpy(x, y, z) \
236 (strncpy((x), (y), (z)), \
237 ((z) <= 0 ? 0 : ((x)[(z) - 1] = '\0')), \
238 strlen((y)))
239#endif
240
200#ifdef linux
201void pcap_close_linux(pcap_t *);
241#include <stdarg.h>
242
243#if !defined(HAVE_SNPRINTF)
244#define snprintf pcap_snprintf
245extern int snprintf (char *, size_t, const char *, ...);
202#endif
203
246#endif
247
248#if !defined(HAVE_VSNPRINTF)
249#define vsnprintf pcap_vsnprintf
250extern int vsnprintf (char *, size_t, const char *, va_list ap);
251#endif
252
253/*
254 * Routines that most pcap implementations can use for non-blocking mode.
255 */
256#ifndef WIN32
257int pcap_getnonblock_fd(pcap_t *, char *);
258int pcap_setnonblock_fd(pcap_t *p, int, char *);
259#endif
260
261/*
262 * Internal interfaces for "pcap_findalldevs()".
263 *
264 * "pcap_platform_finddevs()" is a platform-dependent routine to
265 * add devices not found by the "standard" mechanisms (SIOCGIFCONF,
266 * "getifaddrs()", etc..
267 *
268 * "pcap_add_if()" adds an interface to the list of interfaces.
269 */
270int pcap_platform_finddevs(pcap_if_t **, char *);
271int add_addr_to_iflist(pcap_if_t **, char *, u_int, struct sockaddr *,
272 size_t, struct sockaddr *, size_t, struct sockaddr *, size_t,
273 struct sockaddr *, size_t, char *);
274int pcap_add_if(pcap_if_t **, char *, u_int, const char *, char *);
275struct sockaddr *dup_sockaddr(struct sockaddr *, size_t);
276int add_or_find_if(pcap_if_t **, pcap_if_t **, const char *, u_int,
277 const char *, char *);
278
279#ifdef WIN32
280char *pcap_win32strerror(void);
281#endif
282
204/* XXX */
205extern int pcap_fddipad;
206
207int install_bpf_program(pcap_t *, struct bpf_program *);
208
283/* XXX */
284extern int pcap_fddipad;
285
286int install_bpf_program(pcap_t *, struct bpf_program *);
287
288int pcap_strcasecmp(const char *, const char *);
289
209#ifdef __cplusplus
210}
211#endif
212
213#endif
290#ifdef __cplusplus
291}
292#endif
293
294#endif