* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: GPL-2.0-or-later
*
*******************************************************************************/
* snaplength is automatically set to 64KiB-1.
*/
-#include "config.h"
+#include <config.h>
/*
* Just make sure we include the prototype for strptime as well
# define __EXTENSIONS__
#endif
-#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <wsutil/file_util.h>
#include <wsutil/crash_info.h>
-#include <wsutil/copyright_info.h>
-#include <wsutil/os_version_info.h>
-#include <wsutil/ws_version_info.h>
+#include <version_info.h>
+#include <wsutil/inet_addr.h>
+
+#ifdef _WIN32
+#include <io.h> /* for _setmode */
+#include <fcntl.h> /* for O_BINARY */
+#endif
#include <time.h>
#include <glib.h>
-#ifdef HAVE_UNISTD_H
-# include <unistd.h>
-#endif
-
#ifdef HAVE_GETOPT_H
#include <getopt.h>
#endif
#include <errno.h>
#include <assert.h>
-#ifdef HAVE_LIBZ
-#include <zlib.h> /* to get the libz version number */
-#endif
-
-#ifndef HAVE_GETOPT
+#ifndef HAVE_GETOPT_LONG
#include "wsutil/wsgetopt.h"
#endif
# include "wsutil/strptime.h"
#endif
-#include "pcapio.h"
+#include "writecap/pcapio.h"
#include "text2pcap.h"
-#include "version_info.h"
+
+#include "wiretap/wtap.h"
#ifdef _WIN32
#include <wsutil/unicode-utils.h>
#endif /* _WIN32 */
-#ifdef HAVE_ARPA_INET_H
-#include <arpa/inet.h>
-#endif
-
-#ifdef HAVE_WINSOCK2_H
-#include <winsock2.h> /* needed to define AF_ values on Windows */
-#endif
-
-#ifndef HAVE_INET_ATON
-# include "wsutil/inet_aton.h"
-#endif
-
-#ifdef HAVE_SYS_SOCKET_H
-#include <sys/socket.h>
-#endif
-
-#ifdef NEED_INET_V6DEFS_H
-# include "wsutil/inet_v6defs.h"
-#endif
-
/*--- Options --------------------------------------------------------------------*/
/* File format */
/* Destination and source addresses for IP header */
static guint32 hdr_ip_dest_addr = 0;
static guint32 hdr_ip_src_addr = 0;
-static guint8 hdr_ipv6_dest_addr[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
-static guint8 hdr_ipv6_src_addr[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
-static guint8 NO_IPv6_ADDRESS[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+static ws_in6_addr hdr_ipv6_dest_addr = {{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}};
+static ws_in6_addr hdr_ipv6_src_addr = {{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}};
+static ws_in6_addr NO_IPv6_ADDRESS = {{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}};
/* Dummy UDP header */
static int hdr_udp = FALSE;
/*--- Local date -----------------------------------------------------------------*/
/* This is where we store the packet currently being built */
-#define MAX_PACKET 65535
-static guint8 packet_buf[MAX_PACKET];
+static guint8 packet_buf[WTAP_MAX_PACKET_SIZE_STANDARD];
static guint32 header_length;
static guint32 ip_offset;
static guint32 curr_offset;
-static guint32 max_offset = MAX_PACKET;
+static guint32 max_offset = WTAP_MAX_PACKET_SIZE_STANDARD;
static guint32 packet_start = 0;
-static void start_new_packet(gboolean);
+static int start_new_packet(gboolean);
/* This buffer contains strings present before the packet offset 0 */
#define PACKET_PREAMBLE_MAX_LEN 2048
/* Time code of packet, derived from packet_preamble */
static time_t ts_sec = 0;
-static guint32 ts_usec = 0;
+static guint32 ts_nsec = 0;
static char *ts_fmt = NULL;
static struct tm timecode_default;
static guint8* pkt_lnstart;
/* Input file */
-static const char *input_filename;
+static char *input_filename;
static FILE *input_file = NULL;
/* Output file */
-static const char *output_filename;
+static char *output_filename;
static FILE *output_file = NULL;
/* Offset base to parse */
static guint32 offset_base = 16;
-extern FILE *yyin;
+extern FILE *text2pcap_in;
/* ----- State machine -----------------------------------------------------------*/
} hdr_ip_t;
static hdr_ip_t HDR_IP = {0x45, 0, 0, 0x3412, 0, 0, 0xff, 0, 0,
-#ifdef WORDS_BIGENDIAN
+#if G_BYTE_ORDER == G_BIG_ENDIAN
0x0a010101, 0x0a020202
#else
0x0101010a, 0x0202020a
};
/* Fixed IP address values */
-#ifdef WORDS_BIGENDIAN
+#if G_BYTE_ORDER == G_BIG_ENDIAN
#define IP_SRC 0x0a010101
#define IP_DST 0x0a020202
#else
/* headers taken from glibc */
-/* IPv6 address */
-struct hdr_in6_addr
-{
- union
- {
- guint8 __u6_addr8[16];
- guint16 __u6_addr16[8];
- guint32 __u6_addr32[4];
- } __in6_u;
-};
-
typedef struct {
union {
struct ip6_hdrctl {
} ip6_un1;
guint8 ip6_un2_vfc; /* 4 bits version, 4 bits priority */
} ip6_ctlun;
- struct hdr_in6_addr ip6_src; /* source address */
- struct hdr_in6_addr ip6_dst; /* destination address */
+ ws_in6_addr ip6_src; /* source address */
+ ws_in6_addr ip6_dst; /* destination address */
} hdr_ipv6_t;
static hdr_ipv6_t HDR_IPv6;
static struct { /* pseudo header ipv6 for checksum calculation */
- struct hdr_in6_addr src_addr6;
- struct hdr_in6_addr dst_addr6;
+ struct e_in6_addr src_addr6;
+ struct e_in6_addr dst_addr6;
guint32 protocol;
guint32 zero;
} pseudoh6;
/*----------------------------------------------------------------------
* Stuff for writing a PCap file
*/
-#define PCAP_MAGIC 0xa1b2c3d4
#define PCAP_SNAPLEN 0xffff
-/* "libpcap" file header (minus magic number). */
-struct pcap_hdr {
- guint32 magic; /* magic */
- guint16 version_major; /* major version number */
- guint16 version_minor; /* minor version number */
- guint32 thiszone; /* GMT to local correction */
- guint32 sigfigs; /* accuracy of timestamps */
- guint32 snaplen; /* max length of captured packets, in octets */
- guint32 network; /* data link type */
-};
-
-/* "libpcap" record header. */
-struct pcaprec_hdr {
- guint32 ts_sec; /* timestamp seconds */
- guint32 ts_usec; /* timestamp microseconds */
- guint32 incl_len; /* number of octets of packet saved in file */
- guint32 orig_len; /* actual length of packet */
-};
-
/* Link-layer type; see http://www.tcpdump.org/linktypes.html for details */
static guint32 pcap_link_type = 1; /* Default is LINKTYPE_ETHERNET */
* Will abort the program if it can't parse the number
* Pass in TRUE if this is an offset, FALSE if not
*/
-static guint32
-parse_num (const char *str, int offset)
+static int
+parse_num(const char *str, int offset, guint32* num)
{
- guint32 num;
char *c;
if (str == NULL) {
fprintf(stderr, "FATAL ERROR: str is NULL\n");
- exit(1);
+ return EXIT_FAILURE;
}
- num = (guint32)strtoul(str, &c, offset ? offset_base : 16);
+ *num = (guint32)strtoul(str, &c, offset ? offset_base : 16);
if (c == str) {
fprintf(stderr, "FATAL ERROR: Bad hex number? [%s]\n", str);
- exit(1);
+ return EXIT_FAILURE;
}
- return num;
+ return EXIT_SUCCESS;
}
/*----------------------------------------------------------------------
* Write this byte into current packet
*/
-static void
-write_byte (const char *str)
+static int
+write_byte(const char *str)
{
guint32 num;
- num = parse_num(str, FALSE);
+ if (parse_num(str, FALSE, &num) != EXIT_SUCCESS)
+ return EXIT_FAILURE;
+
packet_buf[curr_offset] = (guint8) num;
curr_offset++;
if (curr_offset - header_length >= max_offset) /* packet full */
- start_new_packet(TRUE);
+ if (start_new_packet(TRUE) != EXIT_SUCCESS)
+ return EXIT_FAILURE;
+
+ return EXIT_SUCCESS;
}
/*----------------------------------------------------------------------
{
guint32 i;
- if (curr_offset + nbytes < MAX_PACKET) {
+ if (curr_offset + nbytes < WTAP_MAX_PACKET_SIZE_STANDARD) {
for (i = 0; i < nbytes; i++) {
packet_buf[curr_offset] = bytes[i];
curr_offset++;
/*----------------------------------------------------------------------
* Write current packet out
*/
-static void
+static int
write_current_packet (gboolean cont)
{
guint32 length = 0;
HDR_IP.hdr_checksum = in_checksum(&HDR_IP, sizeof(HDR_IP));
write_bytes((const char *)&HDR_IP, sizeof(HDR_IP));
} else if (hdr_ipv6) {
- if (memcmp(isInbound ? hdr_ipv6_dest_addr : hdr_ipv6_src_addr, NO_IPv6_ADDRESS, sizeof(struct hdr_in6_addr)))
- memcpy(&HDR_IPv6.ip6_src, isInbound ? &hdr_ipv6_dest_addr : &hdr_ipv6_src_addr, sizeof(struct hdr_in6_addr));
- if (memcmp(isInbound ? hdr_ipv6_src_addr : hdr_ipv6_dest_addr, NO_IPv6_ADDRESS, sizeof(struct hdr_in6_addr)))
- memcpy(&HDR_IPv6.ip6_dst, isInbound ? &hdr_ipv6_src_addr : &hdr_ipv6_dest_addr, sizeof(struct hdr_in6_addr));
+ if (memcmp(isInbound ? &hdr_ipv6_dest_addr : &hdr_ipv6_src_addr, &NO_IPv6_ADDRESS, sizeof(ws_in6_addr)))
+ memcpy(&HDR_IPv6.ip6_src, isInbound ? &hdr_ipv6_dest_addr : &hdr_ipv6_src_addr, sizeof(ws_in6_addr));
+ if (memcmp(isInbound ? &hdr_ipv6_src_addr : &hdr_ipv6_dest_addr, &NO_IPv6_ADDRESS, sizeof(ws_in6_addr)))
+ memcpy(&HDR_IPv6.ip6_dst, isInbound ? &hdr_ipv6_src_addr : &hdr_ipv6_dest_addr, sizeof(ws_in6_addr));
HDR_IPv6.ip6_ctlun.ip6_un2_vfc &= 0x0F;
HDR_IPv6.ip6_ctlun.ip6_un2_vfc |= (6<< 4);
if (use_pcapng) {
success = pcapng_write_enhanced_packet_block(output_file,
NULL,
- ts_sec, ts_usec,
+ ts_sec, ts_nsec,
length, length,
0,
- 1000000,
+ 1000000000,
packet_buf, direction,
&bytes_written, &err);
} else {
success = libpcap_write_packet(output_file,
- ts_sec, ts_usec,
+ ts_sec, ts_nsec/1000,
length, length,
packet_buf,
&bytes_written, &err);
if (!success) {
fprintf(stderr, "File write error [%s] : %s\n",
output_filename, g_strerror(err));
- exit(1);
+ return EXIT_FAILURE;
}
if (ts_fmt == NULL) {
/* fake packet counter */
- ts_usec++;
+ if (use_pcapng)
+ ts_nsec++;
+ else
+ ts_nsec += 1000;
}
if (!quiet) {
fprintf(stderr, "Wrote packet of %u bytes.\n", length);
packet_start += curr_offset - header_length;
curr_offset = header_length;
- return;
+ return EXIT_SUCCESS;
}
/*----------------------------------------------------------------------
* Write file header and trailer
*/
-static void
+static int
write_file_header (void)
{
int err;
gboolean success;
if (use_pcapng) {
-#ifdef GITVERSION
- const char *appname = "text2pcap (" GITVERSION " from " GITBRANCH ")";
-#else
- const char *appname = "text2pcap";
-#endif
- char comment[100];
+ char *appname;
+ char *comment;
- g_snprintf(comment, sizeof(comment), "Generated from input file %s.", input_filename);
+ appname = g_strdup_printf("text2pcap (Wireshark) %s", get_ws_vcs_version_info());
+ comment = g_strdup_printf("Generated from input file %s.", input_filename);
success = pcapng_write_session_header_block(output_file,
comment,
- NULL,
- NULL,
+ NULL, /* HW */
+ NULL, /* OS */
appname,
- -1,
+ -1, /* section_length */
&bytes_written,
&err);
+ g_free(appname);
+ g_free(comment);
if (success) {
success = pcapng_write_interface_description_block(output_file,
NULL,
PCAP_SNAPLEN,
&bytes_written,
0,
- 6,
+ 9,
&err);
}
} else {
- success = libpcap_write_file_header(output_file, pcap_link_type, PCAP_SNAPLEN,
- FALSE, &bytes_written, &err);
+ success = libpcap_write_file_header(output_file, pcap_link_type,
+ PCAP_SNAPLEN, FALSE,
+ &bytes_written, &err);
}
if (!success) {
fprintf(stderr, "File write error [%s] : %s\n",
output_filename, g_strerror(err));
- exit(1);
+ return EXIT_FAILURE;
}
-}
-static void
-write_file_trailer (void)
-{
- int err;
- gboolean success;
-
- if (use_pcapng) {
- success = pcapng_write_interface_statistics_block(output_file,
- 0,
- &bytes_written,
- "Counters provided by text2pcap",
- 0,
- 0,
- num_packets_written,
- num_packets_written - num_packets_written,
- &err);
-
- } else {
- success = TRUE;
- }
- if (!success) {
- fprintf(stderr, "File write error [%s] : %s\n",
- output_filename, g_strerror(err));
- exit(1);
- }
- return;
+ return EXIT_SUCCESS;
}
/*----------------------------------------------------------------------
*/
timecode = timecode_default;
- ts_usec = 0;
+ ts_nsec = 0;
/* Ensure preamble has more than two chars before attempting to parse.
* This should cover line breaks etc that get counted.
timecode.tm_hour, timecode.tm_min, timecode.tm_sec, timecode.tm_isdst);
}
ts_sec = 0; /* Jan 1,1970: 00:00 GMT; tshark/wireshark will display date/time as adjusted by timezone */
- ts_usec = 0;
+ ts_nsec = 0;
} else {
/* Parse subseconds */
- ts_usec = (guint32)strtol(subsecs, &p, 10);
+ ts_nsec = (guint32)strtol(subsecs, &p, 10);
if (subsecs == p) {
/* Error */
- ts_usec = 0;
+ ts_nsec = 0;
} else {
/*
* Convert that number to a number
* of microseconds; if it's N digits
* long, it's in units of 10^(-N) seconds,
* so, to convert it to units of
- * 10^-6 seconds, we multiply by
- * 10^(6-N).
+ * 10^-9 seconds, we multiply by
+ * 10^(9-N).
*/
subseclen = (int) (p - subsecs);
- if (subseclen > 6) {
+ if (subseclen > 9) {
/*
- * *More* than 6 digits; 6-N is
+ * *More* than 9 digits; 9-N is
* negative, so we divide by
- * 10^(N-6).
+ * 10^(N-9).
*/
- for (i = subseclen - 6; i != 0; i--)
- ts_usec /= 10;
- } else if (subseclen < 6) {
- for (i = 6 - subseclen; i != 0; i--)
- ts_usec *= 10;
+ for (i = subseclen - 9; i != 0; i--)
+ ts_nsec /= 10;
+ } else if (subseclen < 9) {
+ for (i = 9 - subseclen; i != 0; i--)
+ ts_nsec *= 10;
}
}
}
char *c;
while ((c = strchr(packet_preamble, '\r')) != NULL) *c=' ';
fprintf(stderr, "[[parse_preamble: \"%s\"]]\n", packet_preamble);
- fprintf(stderr, "Format(%s), time(%u), subsecs(%u)\n", ts_fmt, (guint32)ts_sec, ts_usec);
+ fprintf(stderr, "Format(%s), time(%u), subsecs(%u)\n", ts_fmt, (guint32)ts_sec, ts_nsec);
}
/*----------------------------------------------------------------------
* Start a new packet
*/
-static void
+static int
start_new_packet (gboolean cont)
{
if (debug >= 1)
fprintf(stderr, "Start new packet (cont = %s).\n", cont ? "TRUE" : "FALSE");
/* Write out the current packet, if required */
- write_current_packet(cont);
+ if (write_current_packet(cont) != EXIT_SUCCESS)
+ return EXIT_FAILURE;
num_packets_read++;
/* Ensure we parse the packet preamble as it may contain the time */
parse_preamble();
+
+ return EXIT_SUCCESS;
}
/*----------------------------------------------------------------------
/*----------------------------------------------------------------------
* Parse a single token (called from the scanner)
*/
-void
+int
parse_token (token_t token, char *str)
{
guint32 num;
process_directive(str);
break;
case T_OFFSET:
- num = parse_num(str, TRUE);
+ if (parse_num(str, TRUE, &num) != EXIT_SUCCESS)
+ return EXIT_FAILURE;
if (num == 0) {
/* New packet starts here */
- start_new_packet(FALSE);
+ if (start_new_packet(FALSE) != EXIT_SUCCESS)
+ return EXIT_FAILURE;
state = READ_OFFSET;
pkt_lnstart = packet_buf + num;
}
process_directive(str);
break;
case T_OFFSET:
- num = parse_num(str, TRUE);
+ if (parse_num(str, TRUE, &num) != EXIT_SUCCESS)
+ return EXIT_FAILURE;
if (num == 0) {
/* New packet starts here */
- start_new_packet(FALSE);
+ if (start_new_packet(FALSE) != EXIT_SUCCESS)
+ return EXIT_FAILURE;
packet_start = 0;
state = READ_OFFSET;
} else if ((num - packet_start) != curr_offset - header_length) {
if (debug >= 1)
fprintf(stderr, "Inconsistent offset. Expecting %0X, got %0X. Ignoring rest of packet\n",
curr_offset, num);
- write_current_packet(FALSE);
+ if (write_current_packet(FALSE) != EXIT_SUCCESS)
+ return EXIT_FAILURE;
state = INIT;
}
- } else
+ } else {
state = READ_OFFSET;
- pkt_lnstart = packet_buf + num;
+ }
+ pkt_lnstart = packet_buf + num;
break;
case T_EOL:
state = START_OF_LINE;
/* Record the byte */
state = READ_BYTE;
if (!str) goto fail_null_str;
- write_byte(str);
+ if (write_byte(str) != EXIT_SUCCESS)
+ return EXIT_FAILURE;
break;
case T_TEXT:
case T_DIRECTIVE:
switch (token) {
case T_BYTE:
/* Record the byte */
- write_byte(str);
+ if (write_byte(str) != EXIT_SUCCESS)
+ return EXIT_FAILURE;
break;
case T_TEXT:
case T_DIRECTIVE:
tmp_str[1] = pkt_lnstart[i*3+1];
tmp_str[2] = '\0';
/* it is a valid convertable string */
- if (!isxdigit(tmp_str[0]) || !isxdigit(tmp_str[0])) {
+ if (!g_ascii_isxdigit(tmp_str[0]) || !g_ascii_isxdigit(tmp_str[1])) {
break;
}
s2[i] = (char)strtoul(tmp_str, (char **)NULL, 16);
default:
fprintf(stderr, "FATAL ERROR: Bad state (%d)", state);
- exit(1);
+ return EXIT_FAILURE;
}
if (debug >= 2)
fprintf(stderr, ", %s)\n", state_str[state]);
- return;
+ return EXIT_SUCCESS;
fail_null_str:
fprintf(stderr, "FATAL ERROR: got NULL str pointer in state (%d)", state);
- exit(1);
-
-}
-
-static void
-show_version(GString *comp_info_str, GString *runtime_info_str)
-{
- printf("Text2pcap (Wireshark) %s\n"
- "\n"
- "%s"
- "\n"
- "%s"
- "\n"
- "%s",
- get_ws_vcs_version_info(), get_copyright_info(),
- comp_info_str->str, runtime_info_str->str);
+ return EXIT_FAILURE;
}
/*----------------------------------------------------------------------
" used as the default for unspecified fields.\n"
" -D the text before the packet starts with an I or an O,\n"
" indicating that the packet is inbound or outbound.\n"
- " This is only stored if the output format is PCAP-NG.\n"
+ " This is only stored if the output format is pcapng.\n"
" -a enable ASCII text dump identification.\n"
" The start of the ASCII text dump can be identified\n"
" and excluded from the packet data, even if it looks\n"
" -h display this help and exit.\n"
" -d show detailed debug of parser states.\n"
" -q generate no output at all (automatically disables -d).\n"
- " -n use PCAP-NG instead of PCAP as output format.\n"
+ " -n use pcapng instead of pcap as output format.\n"
"",
- MAX_PACKET);
-}
-
-static void
-get_text2pcap_compiled_info(GString *str)
-{
- /* LIBZ */
- g_string_append(str, ", ");
-#ifdef HAVE_LIBZ
- g_string_append(str, "with libz ");
-#ifdef ZLIB_VERSION
- g_string_append(str, ZLIB_VERSION);
-#else /* ZLIB_VERSION */
- g_string_append(str, "(version unknown)");
-#endif /* ZLIB_VERSION */
-#else /* HAVE_LIBZ */
- g_string_append(str, "without libz");
-#endif /* HAVE_LIBZ */
-}
-
-static void
-get_text2pcap_runtime_info(GString *str)
-{
- /* zlib */
-#if defined(HAVE_LIBZ) && !defined(_WIN32)
- g_string_append_printf(str, ", with libz %s", zlibVersion());
-#endif
+ WTAP_MAX_PACKET_SIZE_STANDARD);
}
/*----------------------------------------------------------------------
* Parse CLI options
*/
-static void
+static int
parse_options (int argc, char *argv[])
{
GString *comp_info_str;
int c;
char *p;
static const struct option long_options[] = {
- {(char *)"help", no_argument, NULL, 'h'},
- {(char *)"version", no_argument, NULL, 'v'},
+ {"help", no_argument, NULL, 'h'},
+ {"version", no_argument, NULL, 'v'},
{0, 0, 0, 0 }
};
+ struct tm *now_tm;
#ifdef _WIN32
arg_list_utf_16to8(argc, argv);
create_app_running_mutex();
#endif /* _WIN32 */
- /* Assemble the compile-time version information string */
- comp_info_str = g_string_new("Compiled ");
- get_compiled_version_info(comp_info_str, NULL, get_text2pcap_compiled_info);
+ /* Get the compile-time version information string */
+ comp_info_str = get_compiled_version_info(NULL, NULL);
- /* Assemble the run-time version information string */
- runtime_info_str = g_string_new("Running ");
- get_runtime_version_info(runtime_info_str, get_text2pcap_runtime_info);
+ /* get the run-time version information string */
+ runtime_info_str = get_runtime_version_info(NULL);
/* Add it to the information to be reported on a crash. */
ws_add_crash_info("Text2pcap (Wireshark) %s\n"
"\n"
"%s",
get_ws_vcs_version_info(), comp_info_str->str, runtime_info_str->str);
+ g_string_free(comp_info_str, TRUE);
+ g_string_free(runtime_info_str, TRUE);
/* Scan CLI parameters */
while ((c = getopt_long(argc, argv, "aDdhqe:i:l:m:no:u:s:S:t:T:v4:6:", long_options, NULL)) != -1) {
case 'h':
printf("Text2pcap (Wireshark) %s\n"
"Generate a capture file from an ASCII hexdump of packets.\n"
- "See http://www.wireshark.org for more information.\n",
+ "See https://www.wireshark.org for more information.\n",
get_ws_vcs_version_info());
print_usage(stdout);
exit(0);
if (optarg[0] != 'h' && optarg[0] != 'o' && optarg[0] != 'd') {
fprintf(stderr, "Bad argument for '-o': %s\n", optarg);
print_usage(stderr);
- exit(1);
+ return EXIT_FAILURE;
}
switch (optarg[0]) {
case 'o': offset_base = 8; break;
if (sscanf(optarg, "%x", &hdr_ethernet_proto) < 1) {
fprintf(stderr, "Bad argument for '-e': %s\n", optarg);
print_usage(stderr);
- exit(1);
+ return EXIT_FAILURE;
}
break;
hdr_ip_proto > 255) {
fprintf(stderr, "Bad argument for '-i': %s\n", optarg);
print_usage(stderr);
- exit(1);
+ return EXIT_FAILURE;
}
hdr_ethernet = TRUE;
hdr_ethernet_proto = 0x800;
if (p == optarg || (*p != ',' && *p != '\0')) {
fprintf(stderr, "Bad src port for '-%c'\n", c);
print_usage(stderr);
- exit(1);
+ return EXIT_FAILURE;
}
if (*p == '\0') {
fprintf(stderr, "No dest port specified for '-%c'\n", c);
print_usage(stderr);
- exit(1);
+ return EXIT_FAILURE;
}
p++;
optarg = p;
if (p == optarg || (*p != ',' && *p != '\0')) {
fprintf(stderr, "Bad dest port for '-s'\n");
print_usage(stderr);
- exit(1);
+ return EXIT_FAILURE;
}
if (*p == '\0') {
fprintf(stderr, "No tag specified for '-%c'\n", c);
print_usage(stderr);
- exit(1);
+ return EXIT_FAILURE;
}
p++;
optarg = p;
if (p == optarg || *p != '\0') {
fprintf(stderr, "Bad tag for '-%c'\n", c);
print_usage(stderr);
- exit(1);
+ return EXIT_FAILURE;
}
hdr_ip = TRUE;
if (p == optarg || (*p != ',' && *p != '\0')) {
fprintf(stderr, "Bad src port for '-%c'\n", c);
print_usage(stderr);
- exit(1);
+ return EXIT_FAILURE;
}
if (*p == '\0') {
fprintf(stderr, "No dest port specified for '-%c'\n", c);
print_usage(stderr);
- exit(1);
+ return EXIT_FAILURE;
}
p++;
optarg = p;
if (p == optarg || (*p != ',' && *p != '\0')) {
fprintf(stderr, "Bad dest port for '-s'\n");
print_usage(stderr);
- exit(1);
+ return EXIT_FAILURE;
}
if (*p == '\0') {
fprintf(stderr, "No ppi specified for '-%c'\n", c);
print_usage(stderr);
- exit(1);
+ return EXIT_FAILURE;
}
p++;
optarg = p;
if (p == optarg || *p != '\0') {
fprintf(stderr, "Bad ppi for '-%c'\n", c);
print_usage(stderr);
- exit(1);
+ return EXIT_FAILURE;
}
hdr_ip = TRUE;
if (p == optarg || (*p != ',' && *p != '\0')) {
fprintf(stderr, "Bad src port for '-u'\n");
print_usage(stderr);
- exit(1);
+ return EXIT_FAILURE;
}
if (*p == '\0') {
fprintf(stderr, "No dest port specified for '-u'\n");
print_usage(stderr);
- exit(1);
+ return EXIT_FAILURE;
}
p++;
optarg = p;
if (p == optarg || *p != '\0') {
fprintf(stderr, "Bad dest port for '-u'\n");
print_usage(stderr);
- exit(1);
+ return EXIT_FAILURE;
}
hdr_ip = TRUE;
hdr_ip_proto = 17;
if (p == optarg || (*p != ',' && *p != '\0')) {
fprintf(stderr, "Bad src port for '-T'\n");
print_usage(stderr);
- exit(1);
+ return EXIT_FAILURE;
}
if (*p == '\0') {
fprintf(stderr, "No dest port specified for '-u'\n");
print_usage(stderr);
- exit(1);
+ return EXIT_FAILURE;
}
p++;
optarg = p;
if (p == optarg || *p != '\0') {
fprintf(stderr, "Bad dest port for '-T'\n");
print_usage(stderr);
- exit(1);
+ return EXIT_FAILURE;
}
hdr_ip = TRUE;
hdr_ip_proto = 6;
break;
case 'v':
- show_version(comp_info_str, runtime_info_str);
+ comp_info_str = get_compiled_version_info(NULL, NULL);
+ runtime_info_str = get_runtime_version_info(NULL);
+ show_version("Text2pcap (Wireshark)", comp_info_str, runtime_info_str);
g_string_free(comp_info_str, TRUE);
g_string_free(runtime_info_str, TRUE);
exit(0);
if (!p) {
fprintf(stderr, "Bad source param addr for '-%c'\n", c);
print_usage(stderr);
- exit(1);
+ return EXIT_FAILURE;
}
*p = '\0';
hdr_ethernet = TRUE;
if (hdr_ipv6 == TRUE) {
- if (inet_pton( AF_INET6, optarg, hdr_ipv6_src_addr) <= 0) {
+ if (!ws_inet_pton6(optarg, &hdr_ipv6_src_addr)) {
fprintf(stderr, "Bad src addr -%c '%s'\n", c, p);
print_usage(stderr);
- exit(1);
+ return EXIT_FAILURE;
}
} else {
- if (inet_pton( AF_INET, optarg, &hdr_ip_src_addr) <= 0) {
+ if (!ws_inet_pton4(optarg, &hdr_ip_src_addr)) {
fprintf(stderr, "Bad src addr -%c '%s'\n", c, p);
print_usage(stderr);
- exit(1);
+ return EXIT_FAILURE;
}
}
if (*p == '\0') {
fprintf(stderr, "No dest addr specified for '-%c'\n", c);
print_usage(stderr);
- exit(1);
+ return EXIT_FAILURE;
}
if (hdr_ipv6 == TRUE) {
- if (inet_pton( AF_INET6, p, hdr_ipv6_dest_addr) <= 0) {
+ if (!ws_inet_pton6(p, &hdr_ipv6_dest_addr)) {
fprintf(stderr, "Bad dest addr for -%c '%s'\n", c, p);
print_usage(stderr);
- exit(1);
+ return EXIT_FAILURE;
}
} else {
- if (inet_pton( AF_INET, p, &hdr_ip_dest_addr) <= 0) {
+ if (!ws_inet_pton4(p, &hdr_ip_dest_addr)) {
fprintf(stderr, "Bad dest addr for -%c '%s'\n", c, p);
print_usage(stderr);
- exit(1);
+ return EXIT_FAILURE;
}
}
break;
case '?':
default:
print_usage(stderr);
- exit(1);
+ return EXIT_FAILURE;
}
}
if (optind >= argc || argc-optind < 2) {
fprintf(stderr, "Must specify input and output filename\n");
print_usage(stderr);
- exit(1);
+ return EXIT_FAILURE;
}
- if (strcmp(argv[optind], "-")) {
- input_filename = g_strdup(argv[optind]);
+ if (max_offset > WTAP_MAX_PACKET_SIZE_STANDARD) {
+ fprintf(stderr, "Maximum packet length cannot be more than %d bytes\n",
+ WTAP_MAX_PACKET_SIZE_STANDARD);
+ return EXIT_FAILURE;
+ }
+
+ if (strcmp(argv[optind], "-") != 0) {
+ input_filename = argv[optind];
input_file = ws_fopen(input_filename, "rb");
if (!input_file) {
fprintf(stderr, "Cannot open file [%s] for reading: %s\n",
input_filename, g_strerror(errno));
- exit(1);
+ return EXIT_FAILURE;
}
} else {
input_filename = "Standard input";
input_file = stdin;
}
- if (strcmp(argv[optind+1], "-")) {
- output_filename = g_strdup(argv[optind+1]);
+ if (strcmp(argv[optind+1], "-") != 0) {
+ /* Write to a file. Open the file, in binary mode. */
+ output_filename = argv[optind+1];
output_file = ws_fopen(output_filename, "wb");
if (!output_file) {
fprintf(stderr, "Cannot open file [%s] for writing: %s\n",
output_filename, g_strerror(errno));
- exit(1);
+ return EXIT_FAILURE;
}
} else {
+ /* Write to the standard output. */
+#ifdef _WIN32
+ /* Put the standard output in binary mode. */
+ if (_setmode(1, O_BINARY) == -1) {
+ /* "Should not happen" */
+ fprintf(stderr, "Cannot put standard output in binary mode: %s\n",
+ g_strerror(errno));
+ return EXIT_FAILURE;
+ }
+#endif
output_filename = "Standard output";
output_file = stdout;
}
/* Some validation */
if (pcap_link_type != 1 && hdr_ethernet) {
fprintf(stderr, "Dummy headers (-e, -i, -u, -s, -S -T) cannot be specified with link type override (-l)\n");
- exit(1);
+ return EXIT_FAILURE;
}
/* Set up our variables */
}
ts_sec = time(0); /* initialize to current time */
- timecode_default = *localtime(&ts_sec);
+ now_tm = localtime(&ts_sec);
+ if (now_tm == NULL) {
+ /*
+ * This shouldn't happen - on UN*X, this should Just Work, and
+ * on Windows, it won't work if ts_sec is before the Epoch,
+ * but it's long after 1970, so....
+ */
+ fprintf(stderr, "localtime(right now) failed\n");
+ return EXIT_FAILURE;
+ }
+ timecode_default = *now_tm;
timecode_default.tm_isdst = -1; /* Unknown for now, depends on time given to the strptime() function */
/* Display summary of our state */
if (!quiet) {
fprintf(stderr, "Input from: %s\n", input_filename);
fprintf(stderr, "Output to: %s\n", output_filename);
- fprintf(stderr, "Output format: %s\n", use_pcapng ? "PCAP-NG" : "PCAP");
+ fprintf(stderr, "Output format: %s\n", use_pcapng ? "pcapng" : "pcap");
if (hdr_ethernet) fprintf(stderr, "Generate dummy Ethernet header: Protocol: 0x%0X\n",
hdr_ethernet_proto);
hdr_src_port, hdr_dest_port);
if (hdr_sctp) fprintf(stderr, "Generate dummy SCTP header: Source port: %u. Dest port: %u. Tag: %u\n",
hdr_sctp_src, hdr_sctp_dest, hdr_sctp_tag);
- if (hdr_data_chunk) fprintf(stderr, "Generate dummy DATA chunk header: TSN: %u. SID: %d. SSN: %d. PPID: %u\n",
+ if (hdr_data_chunk) fprintf(stderr, "Generate dummy DATA chunk header: TSN: %u. SID: %u. SSN: %u. PPID: %u\n",
hdr_data_chunk_tsn, hdr_data_chunk_sid, hdr_data_chunk_ssn, hdr_data_chunk_ppid);
}
+
+ return EXIT_SUCCESS;
}
int
main(int argc, char *argv[])
{
- parse_options(argc, argv);
+ int ret = EXIT_SUCCESS;
+
+ if (parse_options(argc, argv) != EXIT_SUCCESS) {
+ ret = EXIT_FAILURE;
+ goto clean_exit;
+ }
assert(input_file != NULL);
assert(output_file != NULL);
- write_file_header();
+ if (write_file_header() != EXIT_SUCCESS) {
+ ret = EXIT_FAILURE;
+ goto clean_exit;
+ }
header_length = 0;
if (hdr_ethernet) {
}
curr_offset = header_length;
- yyin = input_file;
- yylex();
-
- write_current_packet(FALSE);
- write_file_trailer();
- fclose(input_file);
- fclose(output_file);
+ text2pcap_in = input_file;
+ if (text2pcap_scan() == EXIT_SUCCESS) {
+ if (write_current_packet(FALSE) != EXIT_SUCCESS)
+ ret = EXIT_FAILURE;
+ } else {
+ ret = EXIT_FAILURE;
+ }
if (debug)
fprintf(stderr, "\n-------------------------\n");
if (!quiet) {
num_packets_written, (num_packets_written == 1) ? "" : "s",
bytes_written, (bytes_written == 1) ? "" : "s");
}
- return 0;
+clean_exit:
+ if (input_file) {
+ fclose(input_file);
+ }
+ if (output_file) {
+ fclose(output_file);
+ }
+ return ret;
}
/*