savefile.c File Reference

#include <pcap-types.h>
#include <errno.h>
#include <memory.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <limits.h>
#include "pcap-int.h"
#include "sf-pcap.h"
#include "sf-pcapng.h"
#include "pcap-common.h"
#include "charconv.h"

Include dependency graph for savefile.c:

Go to the source code of this file.

Macros
#define	N_FILE_TYPES   (sizeof check_headers / sizeof check_headers[0])

Functions
static int	sf_getnonblock (pcap_t *p)
static int	sf_setnonblock (pcap_t *p, int nonblock)
static int	sf_stats (pcap_t *p, struct pcap_stat *ps)
static int	sf_inject (pcap_t *p, const void *buf, int size)
static int	sf_setdirection (pcap_t *p, pcap_direction_t d)
void	sf_cleanup (pcap_t *p)
pcap_t *	pcap_open_offline_with_tstamp_precision (const char *fname, u_int precision, char *errbuf)
pcap_t *	pcap_open_offline (const char *fname, char *errbuf)
bpf_u_int32	pcap_adjust_snapshot (bpf_u_int32 linktype, bpf_u_int32 snaplen)
pcap_t *	pcap_fopen_offline_with_tstamp_precision (FILE *fp, u_int precision, char *errbuf)
pcap_t *	pcap_fopen_offline (FILE *fp, char *errbuf)
int	pcap_offline_read (pcap_t *p, int cnt, pcap_handler callback, u_char *user)

Variables
static pcap_t *(*	check_headers [])(const uint8_t *, FILE *, u_int, char *, int *)

Macro Definition Documentation

N_FILE_TYPES

#define N_FILE_TYPES   (sizeof check_headers / sizeof check_headers[0])

Definition at line 466 of file savefile.c.

Function Documentation

pcap_adjust_snapshot()

bpf_u_int32 pcap_adjust_snapshot	(	bpf_u_int32	linktype,
		bpf_u_int32	snaplen
	)

Definition at line 444 of file savefile.c.

References max_snaplen_for_dlt().

Referenced by pcap_check_header(), pcap_ng_check_header(), and pcap_ng_next_packet().

pcap_fopen_offline()

pcap_t* pcap_fopen_offline	(	FILE *	fp,
		char *	errbuf
	)

Definition at line 605 of file savefile.c.

References pcap_fopen_offline_with_tstamp_precision(), and PCAP_TSTAMP_PRECISION_MICRO.

pcap_fopen_offline_with_tstamp_precision()

pcap_t* pcap_fopen_offline_with_tstamp_precision	(	FILE *	fp,
		u_int	precision,
		char *	errbuf
	)

Definition at line 472 of file savefile.c.

References pcap::activated, pcap::bpf_codegen_flags, pcap::breakloop_op, check_headers, errno, pcap::fddipad, pcap::getnonblock_op, pcap::inject_op, install_bpf_program(), N_FILE_TYPES, pcap::oneshot_callback, pcap_breakloop_common(), PCAP_ERRBUF_SIZE, pcap_fmt_errmsg_for_errno(), pcap_offline_read(), pcap_oneshot(), pcap::read_op, pcap::rfile, pcap::selectable_fd, pcap::set_datalink_op, pcap::setdirection_op, pcap::setfilter_op, pcap::setnonblock_op, sf_getnonblock(), sf_inject(), sf_setdirection(), sf_setnonblock(), sf_stats(), snprintf(), and pcap::stats_op.

Referenced by pcap_fopen_offline(), and pcap_open_offline_with_tstamp_precision().

pcap_offline_read()

int pcap_offline_read	(	pcap_t *	p,
		int	cnt,
		pcap_handler	callback,
		u_char *	user
	)

Definition at line 618 of file savefile.c.

References bpf_program::bf_insns, pcap::break_loop, pcap_pkthdr::caplen, pcap::fcode, pcap_pkthdr::len, pcap::next_packet_op, and pcap_filter().

Referenced by pcap_fopen_offline_with_tstamp_precision(), pcap_loop(), and pcap_next_ex().

pcap_open_offline()

pcap_t* pcap_open_offline	(	const char *	fname,
		char *	errbuf
	)

Definition at line 393 of file savefile.c.

References pcap_open_offline_with_tstamp_precision(), and PCAP_TSTAMP_PRECISION_MICRO.

Referenced by LLVMFuzzerTestOneInput(), pcap_findalldevs_ex(), and pcap_open().

pcap_open_offline_with_tstamp_precision()

pcap_t* pcap_open_offline_with_tstamp_precision	(	const char *	fname,
		u_int	precision,
		char *	errbuf
	)

Definition at line 339 of file savefile.c.

References charset_fopen, errno, PCAP_ERRBUF_SIZE, pcap_fmt_errmsg_for_errno(), pcap_fopen_offline_with_tstamp_precision(), and snprintf().

Referenced by pcap_open_offline().

sf_cleanup()

void sf_cleanup

(

pcap_t *

p

)

Definition at line 241 of file savefile.c.

References pcap::buffer, pcap::fcode, pcap_freecode(), and pcap::rfile.

Referenced by pcap_check_header(), and pcap_ng_cleanup().

sf_getnonblock()

static int sf_getnonblock ( pcap_t *  p )

static

Definition at line 89 of file savefile.c.

Referenced by pcap_fopen_offline_with_tstamp_precision().

sf_inject()

static int sf_inject ( pcap_t *  p, const void *  buf, int  size  )

static

Definition at line 221 of file savefile.c.

References pcap::errbuf, PCAP_ERRBUF_SIZE, and pcap_strlcpy().

Referenced by pcap_fopen_offline_with_tstamp_precision().

sf_setdirection()

static int sf_setdirection ( pcap_t *  p, pcap_direction_t  d  )

static

Definition at line 233 of file savefile.c.

References pcap::errbuf, and snprintf().

Referenced by pcap_fopen_offline_with_tstamp_precision().

sf_setnonblock()

static int sf_setnonblock ( pcap_t *  p, int  nonblock  )

static

Definition at line 99 of file savefile.c.

References pcap::errbuf, PCAP_ERRBUF_SIZE, and snprintf().

Referenced by pcap_fopen_offline_with_tstamp_precision().

sf_stats()

static int sf_stats ( pcap_t *  p, struct pcap_stat *  ps  )

static

Definition at line 115 of file savefile.c.

References pcap::errbuf, PCAP_ERRBUF_SIZE, and snprintf().

Referenced by pcap_fopen_offline_with_tstamp_precision().

Variable Documentation

check_headers

pcap_t*(* check_headers[])(const uint8_t *, FILE *, u_int, char *, int *) ( const uint8_t *  , FILE *  , u_int  , char *  , int *    )

static

Initial value:

= {
    pcap_check_header,
    pcap_ng_check_header
}

Definition at line 461 of file savefile.c.

Referenced by pcap_fopen_offline_with_tstamp_precision().