1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/boardsupport/emulator/emulatorbsp/wpdpack/include/pcap-int.h Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,373 @@
1.4 +/*
1.5 + * Copyright (c) 1994, 1995, 1996
1.6 + * The Regents of the University of California. All rights reserved.
1.7 + *
1.8 + * Redistribution and use in source and binary forms, with or without
1.9 + * modification, are permitted provided that the following conditions
1.10 + * are met:
1.11 + * 1. Redistributions of source code must retain the above copyright
1.12 + * notice, this list of conditions and the following disclaimer.
1.13 + * 2. Redistributions in binary form must reproduce the above copyright
1.14 + * notice, this list of conditions and the following disclaimer in the
1.15 + * documentation and/or other materials provided with the distribution.
1.16 + * 3. All advertising materials mentioning features or use of this software
1.17 + * must display the following acknowledgement:
1.18 + * This product includes software developed by the Computer Systems
1.19 + * Engineering Group at Lawrence Berkeley Laboratory.
1.20 + * 4. Neither the name of the University nor of the Laboratory may be used
1.21 + * to endorse or promote products derived from this software without
1.22 + * specific prior written permission.
1.23 + *
1.24 + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
1.25 + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1.26 + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
1.27 + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
1.28 + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
1.29 + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
1.30 + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
1.31 + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
1.32 + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
1.33 + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
1.34 + * SUCH DAMAGE.
1.35 + *
1.36 + * @(#) $Header: /tcpdump/master/libpcap/pcap-int.h,v 1.68.2.9 2006/02/22 17:09:54 gianluca Exp $ (LBL)
1.37 + */
1.38 +
1.39 +#ifndef pcap_int_h
1.40 +#define pcap_int_h
1.41 +
1.42 +#ifdef __cplusplus
1.43 +extern "C" {
1.44 +#endif
1.45 +
1.46 +#include <pcap.h>
1.47 +
1.48 +#ifdef WIN32
1.49 +#include <Packet32.h>
1.50 +#endif /* WIN32 */
1.51 +
1.52 +#ifdef MSDOS
1.53 +#include <fcntl.h>
1.54 +#include <io.h>
1.55 +#endif
1.56 +
1.57 +/*
1.58 + * Savefile
1.59 + */
1.60 +typedef enum {
1.61 + NOT_SWAPPED,
1.62 + SWAPPED,
1.63 + MAYBE_SWAPPED
1.64 +} swapped_type_t;
1.65 +
1.66 +struct pcap_sf {
1.67 + FILE *rfile;
1.68 + int swapped;
1.69 + int hdrsize;
1.70 + swapped_type_t lengths_swapped;
1.71 + int version_major;
1.72 + int version_minor;
1.73 + u_char *base;
1.74 +};
1.75 +
1.76 +struct pcap_md {
1.77 + struct pcap_stat stat;
1.78 + /*XXX*/
1.79 + int use_bpf; /* using kernel filter */
1.80 + u_long TotPkts; /* can't oflow for 79 hrs on ether */
1.81 + u_long TotAccepted; /* count accepted by filter */
1.82 + u_long TotDrops; /* count of dropped packets */
1.83 + long TotMissed; /* missed by i/f during this run */
1.84 + long OrigMissed; /* missed by i/f before this run */
1.85 + char *device; /* device name */
1.86 +#ifdef linux
1.87 + int sock_packet; /* using Linux 2.0 compatible interface */
1.88 + int timeout; /* timeout specified to pcap_open_live */
1.89 + int clear_promisc; /* must clear promiscuous mode when we close */
1.90 + int cooked; /* using SOCK_DGRAM rather than SOCK_RAW */
1.91 + int ifindex; /* interface index of device we're bound to */
1.92 + int lo_ifindex; /* interface index of the loopback device */
1.93 + struct pcap *next; /* list of open promiscuous sock_packet pcaps */
1.94 + u_int packets_read; /* count of packets read with recvfrom() */
1.95 +#endif
1.96 +
1.97 +#ifdef HAVE_DAG_API
1.98 +#ifdef HAVE_DAG_STREAMS_API
1.99 + u_char *dag_mem_bottom; /* DAG card current memory bottom pointer */
1.100 + u_char *dag_mem_top; /* DAG card current memory top pointer */
1.101 +#else
1.102 + void *dag_mem_base; /* DAG card memory base address */
1.103 + u_int dag_mem_bottom; /* DAG card current memory bottom offset */
1.104 + u_int dag_mem_top; /* DAG card current memory top offset */
1.105 +#endif /* HAVE_DAG_STREAMS_API */
1.106 + int dag_fcs_bits; /* Number of checksum bits from link layer */
1.107 + int dag_offset_flags; /* Flags to pass to dag_offset(). */
1.108 + int dag_stream; /* DAG stream number */
1.109 + int dag_timeout; /* timeout specified to pcap_open_live.
1.110 + * Same as in linux above, introduce
1.111 + * generally? */
1.112 +#endif /* HAVE_DAG_API */
1.113 +
1.114 +#ifdef HAVE_REMOTE
1.115 +/*!
1.116 + There is really a mess with previous variables, and it seems to me that they are not used
1.117 + (they are used in pcap_pf.c only). I think we have to start using them.
1.118 + The meaning is the following:
1.119 +
1.120 + - TotPkts: the amount of packets received by the bpf filter, *before* applying the filter
1.121 + - TotAccepted: the amount of packets that satisfies the filter
1.122 + - TotDrops: the amount of packet that were dropped into the kernel buffer because of lack of space
1.123 + - TotMissed: the amount of packets that were dropped by the physical interface; it is basically
1.124 + the value of the hardware counter into the card. This number is never put to zero, so this number
1.125 + takes into account the *total* number of interface drops starting from the interface power-on.
1.126 + - OrigMissed: the amount of packets that were dropped by the interface *when the capture begins*.
1.127 + This value is used to detect the number of packets dropped by the interface *during the present
1.128 + capture*, so that (ps_ifdrops= TotMissed - OrigMissed).
1.129 +*/
1.130 + unsigned int TotNetDrops; //!< keeps the number of packets that have been dropped by the network
1.131 +/*!
1.132 + \brief It keeps the number of packets that have been received by the application.
1.133 +
1.134 + Packets dropped by the kernel buffer are not counted in this variable. The variable is always
1.135 + equal to (TotAccepted - TotDrops), exept for the case of remote capture, in which we have also
1.136 + packets in fligh, i.e. that have been transmitted by the remote host, but that have not been
1.137 + received (yet) from the client. In this case, (TotAccepted - TotDrops - TotNetDrops) gives a
1.138 + wrong result, since this number does not corresponds always to the number of packet received by
1.139 + the application. For this reason, in the remote capture we need another variable that takes
1.140 + into account of the number of packets actually received by the application.
1.141 +*/
1.142 + unsigned int TotCapt;
1.143 +#endif /* HAVE_REMOTE */
1.144 +};
1.145 +
1.146 +/*
1.147 + * 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
1.148 + * Tru64 UNIX, and NetBSD pad to make everything line up on a nice boundary.
1.149 + */
1.150 +#if defined(ultrix) || defined(__osf__) || (defined(__NetBSD__) && __NetBSD_Version__ > 106000000)
1.151 +#define PCAP_FDDIPAD 3
1.152 +#endif
1.153 +
1.154 +struct pcap {
1.155 +#ifdef WIN32
1.156 + ADAPTER *adapter;
1.157 + LPPACKET Packet;
1.158 + int timeout;
1.159 + int nonblock;
1.160 +#else
1.161 + int fd;
1.162 + int selectable_fd;
1.163 + int send_fd;
1.164 +#endif /* WIN32 */
1.165 + int snapshot;
1.166 + int linktype;
1.167 + int tzoff; /* timezone offset */
1.168 + int offset; /* offset for proper alignment */
1.169 +
1.170 + int break_loop; /* flag set to force break from packet-reading loop */
1.171 +
1.172 +#ifdef PCAP_FDDIPAD
1.173 + int fddipad;
1.174 +#endif
1.175 +
1.176 +#ifdef MSDOS
1.177 + int inter_packet_wait; /* offline: wait between packets */
1.178 + void (*wait_proc)(void); /* call proc while waiting */
1.179 +#endif
1.180 +
1.181 + struct pcap_sf sf;
1.182 + struct pcap_md md;
1.183 +
1.184 + /*
1.185 + * Read buffer.
1.186 + */
1.187 + int bufsize;
1.188 + u_char *buffer;
1.189 + u_char *bp;
1.190 + int cc;
1.191 +
1.192 + /*
1.193 + * Place holder for pcap_next().
1.194 + */
1.195 + u_char *pkt;
1.196 +
1.197 + /* We're accepting only packets in this direction/these directions. */
1.198 + pcap_direction_t direction;
1.199 +
1.200 + /*
1.201 + * Methods.
1.202 + */
1.203 + int (*read_op)(pcap_t *, int cnt, pcap_handler, u_char *);
1.204 + int (*inject_op)(pcap_t *, const void *, size_t);
1.205 + int (*setfilter_op)(pcap_t *, struct bpf_program *);
1.206 + int (*setdirection_op)(pcap_t *, pcap_direction_t);
1.207 + int (*set_datalink_op)(pcap_t *, int);
1.208 + int (*getnonblock_op)(pcap_t *, char *);
1.209 + int (*setnonblock_op)(pcap_t *, int, char *);
1.210 + int (*stats_op)(pcap_t *, struct pcap_stat *);
1.211 + void (*close_op)(pcap_t *);
1.212 +
1.213 + /*
1.214 + * Placeholder for filter code if bpf not in kernel.
1.215 + */
1.216 + struct bpf_program fcode;
1.217 +
1.218 + char errbuf[PCAP_ERRBUF_SIZE + 1];
1.219 + int dlt_count;
1.220 + u_int *dlt_list;
1.221 +
1.222 + struct pcap_pkthdr pcap_header; /* This is needed for the pcap_next_ex() to work */
1.223 +
1.224 +#ifdef HAVE_REMOTE
1.225 +#ifndef WIN32 // Win32 already defines 'timeout'
1.226 + int timeout; //!< timeout to be used in the pcap_open()
1.227 +#endif
1.228 + /*! \brief '1' if we're the network client; needed by several functions (like pcap_setfilter() ) to know if
1.229 + they have to use the socket or they have to open the local adapter. */
1.230 + int rmt_clientside;
1.231 +
1.232 + SOCKET rmt_sockctrl; //!< socket ID of the socket used for the control connection
1.233 + SOCKET rmt_sockdata; //!< socket ID of the socket used for the data connection
1.234 + int rmt_flags; //!< we have to save flags, since they are passed by the pcap_open_live(), but they are used by the pcap_startcapture()
1.235 + int rmt_capstarted; //!< 'true' if the capture is already started (needed to knoe if we have to call the pcap_startcapture()
1.236 + struct pcap_samp rmt_samp; //!< Keeps the parameters related to the sampling process.
1.237 + char *currentfilter; //!< Pointer to a buffer (allocated at run-time) that stores the current filter. Needed when flag PCAP_OPENFLAG_NOCAPTURE_RPCAP is turned on.
1.238 +#endif /* HAVE_REMOTE */
1.239 +};
1.240 +
1.241 +/*
1.242 + * This is a timeval as stored in a savefile.
1.243 + * It has to use the same types everywhere, independent of the actual
1.244 + * `struct timeval'; `struct timeval' has 32-bit tv_sec values on some
1.245 + * platforms and 64-bit tv_sec values on other platforms, and writing
1.246 + * out native `struct timeval' values would mean files could only be
1.247 + * read on systems with the same tv_sec size as the system on which
1.248 + * the file was written.
1.249 + */
1.250 +
1.251 +struct pcap_timeval {
1.252 + bpf_int32 tv_sec; /* seconds */
1.253 + bpf_int32 tv_usec; /* microseconds */
1.254 +};
1.255 +
1.256 +/*
1.257 + * This is a `pcap_pkthdr' as actually stored in a savefile.
1.258 + *
1.259 + * Do not change the format of this structure, in any way (this includes
1.260 + * changes that only affect the length of fields in this structure),
1.261 + * and do not make the time stamp anything other than seconds and
1.262 + * microseconds (e.g., seconds and nanoseconds). Instead:
1.263 + *
1.264 + * introduce a new structure for the new format;
1.265 + *
1.266 + * send mail to "tcpdump-workers@tcpdump.org", requesting a new
1.267 + * magic number for your new capture file format, and, when
1.268 + * you get the new magic number, put it in "savefile.c";
1.269 + *
1.270 + * use that magic number for save files with the changed record
1.271 + * header;
1.272 + *
1.273 + * make the code in "savefile.c" capable of reading files with
1.274 + * the old record header as well as files with the new record header
1.275 + * (using the magic number to determine the header format).
1.276 + *
1.277 + * Then supply the changes to "patches@tcpdump.org", so that future
1.278 + * versions of libpcap and programs that use it (such as tcpdump) will
1.279 + * be able to read your new capture file format.
1.280 + */
1.281 +
1.282 +struct pcap_sf_pkthdr {
1.283 + struct pcap_timeval ts; /* time stamp */
1.284 + bpf_u_int32 caplen; /* length of portion present */
1.285 + bpf_u_int32 len; /* length this packet (off wire) */
1.286 +};
1.287 +
1.288 +/*
1.289 + * How a `pcap_pkthdr' is actually stored in savefiles written
1.290 + * by some patched versions of libpcap (e.g. the ones in Red
1.291 + * Hat Linux 6.1 and 6.2).
1.292 + *
1.293 + * Do not change the format of this structure, in any way (this includes
1.294 + * changes that only affect the length of fields in this structure).
1.295 + * Instead, introduce a new structure, as per the above.
1.296 + */
1.297 +
1.298 +struct pcap_sf_patched_pkthdr {
1.299 + struct pcap_timeval ts; /* time stamp */
1.300 + bpf_u_int32 caplen; /* length of portion present */
1.301 + bpf_u_int32 len; /* length this packet (off wire) */
1.302 + int index;
1.303 + unsigned short protocol;
1.304 + unsigned char pkt_type;
1.305 +};
1.306 +
1.307 +int yylex(void);
1.308 +
1.309 +#ifndef min
1.310 +#define min(a, b) ((a) > (b) ? (b) : (a))
1.311 +#endif
1.312 +
1.313 +/* XXX should these be in pcap.h? */
1.314 +int pcap_offline_read(pcap_t *, int, pcap_handler, u_char *);
1.315 +int pcap_read(pcap_t *, int cnt, pcap_handler, u_char *);
1.316 +
1.317 +#ifndef HAVE_STRLCPY
1.318 +#define strlcpy(x, y, z) \
1.319 + (strncpy((x), (y), (z)), \
1.320 + ((z) <= 0 ? 0 : ((x)[(z) - 1] = '\0')), \
1.321 + strlen((y)))
1.322 +#endif
1.323 +
1.324 +#include <stdarg.h>
1.325 +
1.326 +#if !defined(HAVE_SNPRINTF)
1.327 +#define snprintf pcap_snprintf
1.328 +extern int snprintf (char *, size_t, const char *, ...);
1.329 +#endif
1.330 +
1.331 +#if !defined(HAVE_VSNPRINTF)
1.332 +#define vsnprintf pcap_vsnprintf
1.333 +extern int vsnprintf (char *, size_t, const char *, va_list ap);
1.334 +#endif
1.335 +
1.336 +/*
1.337 + * Routines that most pcap implementations can use for non-blocking mode.
1.338 + */
1.339 +#if !defined(WIN32) && !defined(MSDOS)
1.340 +int pcap_getnonblock_fd(pcap_t *, char *);
1.341 +int pcap_setnonblock_fd(pcap_t *p, int, char *);
1.342 +#endif
1.343 +
1.344 +void pcap_close_common(pcap_t *);
1.345 +
1.346 +/*
1.347 + * Internal interfaces for "pcap_findalldevs()".
1.348 + *
1.349 + * "pcap_platform_finddevs()" is a platform-dependent routine to
1.350 + * add devices not found by the "standard" mechanisms (SIOCGIFCONF,
1.351 + * "getifaddrs()", etc..
1.352 + *
1.353 + * "pcap_add_if()" adds an interface to the list of interfaces.
1.354 + */
1.355 +int pcap_platform_finddevs(pcap_if_t **, char *);
1.356 +int add_addr_to_iflist(pcap_if_t **, const char *, u_int, struct sockaddr *,
1.357 + size_t, struct sockaddr *, size_t, struct sockaddr *, size_t,
1.358 + struct sockaddr *, size_t, char *);
1.359 +int pcap_add_if(pcap_if_t **, const char *, u_int, const char *, char *);
1.360 +struct sockaddr *dup_sockaddr(struct sockaddr *, size_t);
1.361 +int add_or_find_if(pcap_if_t **, pcap_if_t **, const char *, u_int,
1.362 + const char *, char *);
1.363 +
1.364 +#ifdef WIN32
1.365 +char *pcap_win32strerror(void);
1.366 +#endif
1.367 +
1.368 +int install_bpf_program(pcap_t *, struct bpf_program *);
1.369 +
1.370 +int pcap_strcasecmp(const char *, const char *);
1.371 +
1.372 +#ifdef __cplusplus
1.373 +}
1.374 +#endif
1.375 +
1.376 +#endif