#include <errno.h>
#include <memory.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "pcap-int.h"
Go to the source code of this file.
Data Structures | |
struct | linktype_map |
Defines | |
#define | TCPDUMP_MAGIC 0xa1b2c3d4 |
#define | PATCHED_TCPDUMP_MAGIC 0xa1b2cd34 |
#define | SWAPLONG(y) ((((y)&0xff)<<24) | (((y)&0xff00)<<8) | (((y)&0xff0000)>>8) | (((y)>>24)&0xff)) |
#define | SWAPSHORT(y) ( (((y)&0xff)<<8) | ((u_short)((y)&0xff00)>>8) ) |
#define | SFERR_TRUNC 1 |
#define | SFERR_BADVERSION 2 |
#define | SFERR_BADF 3 |
#define | SFERR_EOF 4 |
#define | LINKTYPE_NULL DLT_NULL |
#define | LINKTYPE_ETHERNET DLT_EN10MB |
#define | LINKTYPE_EXP_ETHERNET DLT_EN3MB |
#define | LINKTYPE_AX25 DLT_AX25 |
#define | LINKTYPE_PRONET DLT_PRONET |
#define | LINKTYPE_CHAOS DLT_CHAOS |
#define | LINKTYPE_TOKEN_RING DLT_IEEE802 |
#define | LINKTYPE_ARCNET DLT_ARCNET |
#define | LINKTYPE_SLIP DLT_SLIP |
#define | LINKTYPE_PPP DLT_PPP |
#define | LINKTYPE_FDDI DLT_FDDI |
#define | LINKTYPE_PPP_HDLC 50 |
#define | LINKTYPE_PPP_ETHER 51 |
#define | LINKTYPE_ATM_RFC1483 100 |
#define | LINKTYPE_RAW 101 |
#define | LINKTYPE_SLIP_BSDOS 102 |
#define | LINKTYPE_PPP_BSDOS 103 |
#define | LINKTYPE_C_HDLC 104 |
#define | LINKTYPE_IEEE802_11 105 |
#define | LINKTYPE_ATM_CLIP 106 |
#define | LINKTYPE_FRELAY 107 |
#define | LINKTYPE_LOOP 108 |
#define | LINKTYPE_ENC 109 |
#define | LINKTYPE_LINUX_SLL 113 |
#define | LINKTYPE_LTALK 114 |
#define | LINKTYPE_ECONET 115 |
#define | LINKTYPE_PFLOG 117 |
#define | LINKTYPE_CISCO_IOS 118 |
#define | LINKTYPE_PRISM_HEADER 119 |
#define | LINKTYPE_AIRONET_HEADER 120 |
#define | LINKTYPE_IP_OVER_FC 122 |
#define | LINKTYPE_SUNATM 123 |
#define | LINKTYPE_IEEE802_11_RADIO 127 |
#define | LINKTYPE_TZSP 128 |
#define | LINKTYPE_ARCNET_LINUX 129 |
#define | LINKTYPE_JUNIPER_MLPPP 130 |
#define | LINKTYPE_JUNIPER_MLFR 131 |
#define | LINKTYPE_JUNIPER_ES 132 |
#define | LINKTYPE_JUNIPER_GGSN 133 |
#define | LINKTYPE_JUNIPER_MFR 134 |
#define | LINKTYPE_JUNIPER_ATM2 135 |
#define | LINKTYPE_JUNIPER_SERVICES 136 |
#define | LINKTYPE_JUNIPER_ATM1 137 |
#define | LINKTYPE_APPLE_IP_OVER_IEEE1394 138 |
#define | LINKTYPE_RAWSS7 139 |
#define | LINKTYPE_RAWSS7_MTP2 140 |
#define | LINKTYPE_RAWSS7_MTP3 141 |
#define | LINKTYPE_RAWSS7_SCCP 142 |
#define | LINKTYPE_DOCSIS 143 |
#define | LINKTYPE_LINUX_IRDA 144 |
#define | LINKTYPE_LANE8023 110 |
#define | LINKTYPE_HIPPI 111 |
#define | LINKTYPE_HDLC 112 |
#define | LINKTYPE_IPFILTER 116 |
#define | LINKTYPE_HHDLC 121 |
#define | LINKTYPE_RIO 124 |
#define | LINKTYPE_PCI_EXP 125 |
#define | LINKTYPE_AURORA 126 |
#define | LINKTYPE_IBM_SP 145 |
#define | LINKTYPE_IBM_SN 146 |
Functions | |
int | dlt_to_linktype (int dlt) |
int | linktype_to_dlt (int linktype) |
int | sf_write_header (FILE *fp, int linktype, int thiszone, int snaplen) |
void | swap_hdr (struct pcap_file_header *hp) |
int | sf_getnonblock (pcap_t *p, char *errbuf) |
int | sf_setnonblock (pcap_t *p, int nonblock, char *errbuf) |
int | sf_stats (pcap_t *p, struct pcap_stat *ps) |
void | sf_close (pcap_t *p) |
pcap_t * | pcap_open_offline (const char *fname, char *errbuf) |
It opens a savefile in the tcpdump/libpcap format to read the packets. | |
int | sf_next_packet (pcap_t *p, struct pcap_pkthdr *hdr, u_char *buf, u_int buflen) |
int | pcap_offline_read (pcap_t *p, int cnt, pcap_handler callback, u_char *user) |
void | pcap_dump (u_char *user, const struct pcap_pkthdr *h, const u_char *sp) |
Saves a packet to disk. | |
pcap_dumper_t * | pcap_dump_open (pcap_t *p, const char *fname) |
Opens a file to write the network traffic. | |
FILE * | pcap_dump_file (pcap_dumper_t *p) |
int | pcap_dump_flush (pcap_dumper_t *p) |
void | pcap_dump_close (pcap_dumper_t *p) |
pcap_dump_close() closes the "savefile". | |
Variables | |
const char rcsid[] | _U_ |
linktype_map | map [] |
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Definition at line 53 of file savefile.c. Referenced by pcap_open_offline(). |
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Definition at line 70 of file savefile.c. Referenced by swap_hdr(). |
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Definition at line 52 of file savefile.c. |
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Definition at line 371 of file savefile.c. References linktype_map::dlt, linktype_map::linktype, and map. Referenced by pcap_dump_open(). |
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Definition at line 389 of file savefile.c. References linktype_map::dlt, linktype_map::linktype, and map. Referenced by pcap_open_offline(). |
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Saves a packet to disk. pcap_dump() outputs a packet to the "savefile" opened with pcap_dump_open(). Note that its calling arguments are suitable for use with pcap_dispatch() or pcap_loop(). If called directly, the user parameter is of type pcap_dumper_t as returned by pcap_dump_open().
Definition at line 869 of file savefile.c. References pcap_pkthdr::caplen, pcap_pkthdr::len, and pcap_pkthdr::ts. Referenced by main(). |
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pcap_dump_close() closes the "savefile".
Definition at line 943 of file savefile.c. |
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Opens a file to write the network traffic. pcap_dump_open() is called to open a "savefile" for writing. fname is the name of the file to open. The name "-" in a synonym for stdout. If NULL is returned, pcap_geterr() can be used to get the error text.
Definition at line 888 of file savefile.c. References dlt_to_linktype(), pcap_dumper_t, pcap_strerror(), sf_write_header(), and snprintf. Referenced by main(). |
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Definition at line 785 of file savefile.c. References pcap_pkthdr::caplen, pcap_pkthdr::len, n, PCAP_SAMP_1_EVERY_N, PCAP_SAMP_FIRST_AFTER_N_MS, sf_next_packet(), and pcap_pkthdr::ts. Referenced by pcap_loop(), pcap_next_ex(), and pcap_open_offline(). |
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It opens a savefile in the tcpdump/libpcap format to read the packets.
Definition at line 475 of file savefile.c. References bpf_u_int32, linktype_to_dlt(), PATCHED_TCPDUMP_MAGIC, pcap_fddipad, pcap_offline_read(), pcap_strerror(), pcap_t, PCAP_VERSION_MAJOR, sf_close(), sf_getnonblock(), sf_setnonblock(), sf_stats(), snprintf, swap_hdr(), and TCPDUMP_MAGIC. Referenced by pcap_findalldevs_ex(), and pcap_open(). |
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Definition at line 466 of file savefile.c. Referenced by pcap_open_offline(). |
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Definition at line 438 of file savefile.c. Referenced by pcap_open_offline(). |
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Definition at line 642 of file savefile.c. References bpf_u_int32, pcap_pkthdr::caplen, pcap_pkthdr::len, pcap_strerror(), snprintf, and pcap_pkthdr::ts. Referenced by pcap_offline_read(). |
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Definition at line 448 of file savefile.c. Referenced by pcap_open_offline(). |
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Definition at line 458 of file savefile.c. References snprintf. Referenced by pcap_open_offline(). |
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Definition at line 407 of file savefile.c. References pcap_file_header::linktype, pcap_file_header::magic, PCAP_VERSION_MAJOR, PCAP_VERSION_MINOR, pcap_file_header::sigfigs, pcap_file_header::snaplen, TCPDUMP_MAGIC, pcap_file_header::thiszone, pcap_file_header::version_major, and pcap_file_header::version_minor. Referenced by pcap_dump_open(). |
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Definition at line 427 of file savefile.c. References pcap_file_header::linktype, pcap_file_header::sigfigs, pcap_file_header::snaplen, SWAPSHORT, pcap_file_header::thiszone, pcap_file_header::version_major, and pcap_file_header::version_minor. Referenced by pcap_open_offline(). |
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Initial value:
"@(#) $Header: /tcpdump/master/libpcap/savefile.c,v 1.100 2003/12/21 21:58:50 guy Exp $ (LBL)"
Definition at line 32 of file savefile.c. |
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Referenced by dlt_to_linktype(), and linktype_to_dlt(). |
documentation. Copyright (c) 2002-2003 Politecnico di Torino. All rights reserved.