void ImportTextDialog::convertTextFile() {
char *tmpname;
int err;
capfile_name_.clear();
/* Use a random name for the temporary import buffer */
import_info_.wdh = wtap_dump_open_tempfile(&tmpname, "import", WTAP_FILE_TYPE_SUBTYPE_PCAP, import_info_.encapsulation, import_info_.max_frame_length, FALSE, &err);
capfile_name_.append(tmpname ? tmpname : "temporary file");
qDebug() << capfile_name_ << ":" << import_info_.wdh << import_info_.encapsulation << import_info_.max_frame_length;
if (import_info_.wdh == NULL) {
cfile_dump_open_failure_alert_box(capfile_name_.toUtf8().constData(), err, WTAP_FILE_TYPE_SUBTYPE_PCAP);
fclose(import_info_.import_text_file);
setResult(QDialog::Rejected);
return;
}
err = text_import(&import_info_);
if (err != 0) {
failure_alert_box("Can't initialize scanner: %s", g_strerror(err));
fclose(import_info_.import_text_file);
setResult(QDialog::Rejected);
return;
}
if (fclose(import_info_.import_text_file))
{
read_failure_alert_box(import_info_.import_text_filename, errno);
}
if (!wtap_dump_close(import_info_.wdh, &err))
{
cfile_close_failure_alert_box(capfile_name_.toUtf8().constData(), err);
}
}
int
exp_pdu_close(exp_pdu_t *exp_pdu_tap_data)
{
int err = 0;
if (!wtap_dump_close(exp_pdu_tap_data->wdh, &err))
g_assert(err != 0);
remove_tap_listener(exp_pdu_tap_data);
return err;
}
gboolean randpkt_example_close(randpkt_example* example)
{
int err;
if (!wtap_dump_close(example->dump, &err)) {
fprintf(stderr, "Error writing to %s: %s\n",
example->filename, wtap_strerror(err));
return FALSE;
}
return TRUE;
}
void ImportTextDialog::convertTextFile() {
int import_file_fd;
char *tmpname;
int err;
capfile_name_.clear();
/* Choose a random name for the temporary import buffer */
import_file_fd = create_tempfile(&tmpname, "import");
capfile_name_.append(tmpname);
import_info_.wdh = wtap_dump_fdopen(import_file_fd, WTAP_FILE_TYPE_SUBTYPE_PCAP, import_info_.encapsulation, import_info_.max_frame_length, FALSE, &err);
qDebug() << capfile_name_ << ":" << import_info_.wdh << import_info_.encapsulation << import_info_.max_frame_length;
if (import_info_.wdh == NULL) {
open_failure_alert_box(capfile_name_.toUtf8().constData(), err, TRUE);
fclose(import_info_.import_text_file);
setResult(QDialog::Rejected);
return;
}
text_import_setup(&import_info_);
text_importin = import_info_.import_text_file;
text_importlex();
text_import_cleanup();
if (fclose(import_info_.import_text_file))
{
read_failure_alert_box(import_info_.import_text_filename, errno);
}
if (!wtap_dump_close(import_info_.wdh, &err))
{
write_failure_alert_box(capfile_name_.toUtf8().constData(), err);
}
}
static void
exp_pdu_file_open(exp_pdu_t *exp_pdu_tap_data)
{
int import_file_fd;
char *tmpname, *capfile_name;
int err;
/* pcapng defs */
wtapng_section_t *shb_hdr;
wtapng_iface_descriptions_t *idb_inf;
wtapng_if_descr_t int_data;
GString *os_info_str;
char *appname;
/* Choose a random name for the temporary import buffer */
import_file_fd = create_tempfile(&tmpname, "Wireshark_PDU_");
capfile_name = g_strdup(tmpname);
/* Create data for SHB */
os_info_str = g_string_new("");
get_os_version_info(os_info_str);
appname = g_strdup_printf("Wireshark %s", get_ws_vcs_version_info());
shb_hdr = g_new(wtapng_section_t,1);
shb_hdr->section_length = -1;
/* options */
shb_hdr->opt_comment = g_strdup_printf("Dump of PDUs from %s", cfile.filename);
shb_hdr->shb_hardware = NULL; /* UTF-8 string containing the
* description of the hardware used to create this section.
*/
shb_hdr->shb_os = os_info_str->str; /* UTF-8 string containing the name
* of the operating system used to create this section.
*/
g_string_free(os_info_str, FALSE); /* The actual string is not freed */
shb_hdr->shb_user_appl = appname; /* UTF-8 string containing the name
* of the application used to create this section.
*/
/* Create fake IDB info */
idb_inf = g_new(wtapng_iface_descriptions_t,1);
idb_inf->interface_data = g_array_new(FALSE, FALSE, sizeof(wtapng_if_descr_t));
/* create the fake interface data */
int_data.wtap_encap = WTAP_ENCAP_WIRESHARK_UPPER_PDU;
int_data.time_units_per_second = 1000000; /* default microsecond resolution */
int_data.link_type = wtap_wtap_encap_to_pcap_encap(WTAP_ENCAP_WIRESHARK_UPPER_PDU);
int_data.snap_len = WTAP_MAX_PACKET_SIZE;
int_data.if_name = g_strdup("Fake IF, PDU->Export");
int_data.opt_comment = NULL;
int_data.if_description = NULL;
int_data.if_speed = 0;
int_data.if_tsresol = 6;
int_data.if_filter_str = NULL;
int_data.bpf_filter_len = 0;
int_data.if_filter_bpf_bytes = NULL;
int_data.if_os = NULL;
int_data.if_fcslen = -1;
int_data.num_stat_entries = 0; /* Number of ISB:s */
int_data.interface_statistics = NULL;
g_array_append_val(idb_inf->interface_data, int_data);
exp_pdu_tap_data->wdh = wtap_dump_fdopen_ng(import_file_fd, WTAP_FILE_TYPE_SUBTYPE_PCAPNG, WTAP_ENCAP_WIRESHARK_UPPER_PDU, WTAP_MAX_PACKET_SIZE, FALSE, shb_hdr, idb_inf, &err);
if (exp_pdu_tap_data->wdh == NULL) {
open_failure_alert_box(capfile_name, err, TRUE);
goto end;
}
/* Run the tap */
cf_retap_packets(&cfile);
if (!wtap_dump_close(exp_pdu_tap_data->wdh, &err)) {
write_failure_alert_box(capfile_name, err);
}
remove_tap_listener(exp_pdu_tap_data);
/* XXX: should this use the open_routine type in the cfile instead of WTAP_TYPE_AUTO? */
if (cf_open(&cfile, capfile_name, WTAP_TYPE_AUTO, TRUE /* temporary file */, &err) != CF_OK) {
open_failure_alert_box(capfile_name, err, FALSE);
goto end;
}
switch (cf_read(&cfile, FALSE)) {
case CF_READ_OK:
case CF_READ_ERROR:
/* Just because we got an error, that doesn't mean we were unable
to read any of the file; we handle what we could get from the
file. */
break;
case CF_READ_ABORTED:
/* The user bailed out of re-reading the capture file; the
capture file has been closed - just free the capture file name
string and return (without changing the last containing
directory). */
break;
}
end:
g_free(capfile_name);
g_free(shb_hdr);
g_free(appname);
}
int
main(int argc, char *argv[])
{
int opt;
gboolean do_append = FALSE;
gboolean verbose = FALSE;
int in_file_count = 0;
guint snaplen = 0;
#ifdef PCAP_NG_DEFAULT
int file_type = WTAP_FILE_PCAPNG; /* default to pcap format */
#else
int file_type = WTAP_FILE_PCAP; /* default to pcapng format */
#endif
int frame_type = -2;
int out_fd;
merge_in_file_t *in_files = NULL, *in_file;
int i;
struct wtap_pkthdr *phdr, snap_phdr;
wtap_dumper *pdh;
int open_err, read_err = 0, write_err, close_err;
gchar *err_info;
int err_fileno;
char *out_filename = NULL;
gboolean got_read_error = FALSE, got_write_error = FALSE;
int count;
#ifdef _WIN32
arg_list_utf_16to8(argc, argv);
create_app_running_mutex();
#endif /* _WIN32 */
/* Process the options first */
while ((opt = getopt(argc, argv, "aF:hs:T:vw:")) != -1) {
switch (opt) {
case 'a':
do_append = !do_append;
break;
case 'F':
file_type = wtap_short_string_to_file_type(optarg);
if (file_type < 0) {
fprintf(stderr, "mergecap: \"%s\" isn't a valid capture file type\n",
optarg);
list_capture_types();
exit(1);
}
break;
case 'h':
usage();
exit(0);
break;
case 's':
snaplen = get_positive_int(optarg, "snapshot length");
break;
case 'T':
frame_type = wtap_short_string_to_encap(optarg);
if (frame_type < 0) {
fprintf(stderr, "mergecap: \"%s\" isn't a valid encapsulation type\n",
optarg);
list_encap_types();
exit(1);
}
break;
case 'v':
verbose = TRUE;
break;
case 'w':
out_filename = optarg;
break;
case '?': /* Bad options if GNU getopt */
switch(optopt) {
case'F':
list_capture_types();
break;
case'T':
list_encap_types();
break;
default:
usage();
}
exit(1);
break;
}
}
/* check for proper args; at a minimum, must have an output
* filename and one input file
*/
in_file_count = argc - optind;
if (!out_filename) {
fprintf(stderr, "mergecap: an output filename must be set with -w\n");
fprintf(stderr, " run with -h for help\n");
return 1;
}
if (in_file_count < 1) {
fprintf(stderr, "mergecap: No input files were specified\n");
return 1;
}
/* open the input files */
if (!merge_open_in_files(in_file_count, &argv[optind], &in_files,
&open_err, &err_info, &err_fileno)) {
fprintf(stderr, "mergecap: Can't open %s: %s\n", argv[optind + err_fileno],
wtap_strerror(open_err));
switch (open_err) {
case WTAP_ERR_UNSUPPORTED:
case WTAP_ERR_UNSUPPORTED_ENCAP:
case WTAP_ERR_BAD_FILE:
fprintf(stderr, "(%s)\n", err_info);
g_free(err_info);
break;
}
return 2;
}
if (verbose) {
for (i = 0; i < in_file_count; i++)
fprintf(stderr, "mergecap: %s is type %s.\n", argv[optind + i],
wtap_file_type_string(wtap_file_type(in_files[i].wth)));
}
if (snaplen == 0) {
/*
* Snapshot length not specified - default to the maximum of the
* snapshot lengths of the input files.
*/
snaplen = merge_max_snapshot_length(in_file_count, in_files);
}
/* set the outfile frame type */
if (frame_type == -2) {
/*
* Default to the appropriate frame type for the input files.
*/
frame_type = merge_select_frame_type(in_file_count, in_files);
if (verbose) {
if (frame_type == WTAP_ENCAP_PER_PACKET) {
/*
* Find out why we had to choose WTAP_ENCAP_PER_PACKET.
*/
int first_frame_type, this_frame_type;
first_frame_type = wtap_file_encap(in_files[0].wth);
for (i = 1; i < in_file_count; i++) {
this_frame_type = wtap_file_encap(in_files[i].wth);
if (first_frame_type != this_frame_type) {
fprintf(stderr, "mergecap: multiple frame encapsulation types detected\n");
fprintf(stderr, " defaulting to WTAP_ENCAP_PER_PACKET\n");
fprintf(stderr, " %s had type %s (%s)\n",
in_files[0].filename,
wtap_encap_string(first_frame_type),
wtap_encap_short_string(first_frame_type));
fprintf(stderr, " %s had type %s (%s)\n",
in_files[i].filename,
wtap_encap_string(this_frame_type),
wtap_encap_short_string(this_frame_type));
break;
}
}
}
fprintf(stderr, "mergecap: selected frame_type %s (%s)\n",
wtap_encap_string(frame_type),
wtap_encap_short_string(frame_type));
}
}
/* open the outfile */
if (strncmp(out_filename, "-", 2) == 0) {
/* use stdout as the outfile */
out_fd = 1 /*stdout*/;
} else {
/* open the outfile */
out_fd = ws_open(out_filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0644);
if (out_fd == -1) {
fprintf(stderr, "mergecap: Couldn't open output file %s: %s\n",
out_filename, g_strerror(errno));
exit(1);
}
}
/* prepare the outfile */
if(file_type == WTAP_FILE_PCAPNG ){
wtapng_section_t *shb_hdr;
GString *comment_gstr;
shb_hdr = g_new(wtapng_section_t,1);
comment_gstr = g_string_new("File created by merging: \n");
for (i = 0; i < in_file_count; i++) {
g_string_append_printf(comment_gstr, "File%d: %s \n",i+1,in_files[i].filename);
}
shb_hdr->section_length = -1;
/* options */
shb_hdr->opt_comment = comment_gstr->str; /* NULL if not available */
shb_hdr->shb_hardware = NULL; /* NULL if not available, UTF-8 string containing the description of the hardware used to create this section. */
shb_hdr->shb_os = NULL; /* NULL if not available, UTF-8 string containing the name of the operating system used to create this section. */
shb_hdr->shb_user_appl = "mergecap"; /* NULL if not available, UTF-8 string containing the name of the application used to create this section. */
pdh = wtap_dump_fdopen_ng(out_fd, file_type, frame_type, snaplen,
FALSE /* compressed */, shb_hdr, NULL /* wtapng_iface_descriptions_t *idb_inf */, &open_err);
g_string_free(comment_gstr, TRUE);
} else {
pdh = wtap_dump_fdopen(out_fd, file_type, frame_type, snaplen, FALSE /* compressed */, &open_err);
}
if (pdh == NULL) {
merge_close_in_files(in_file_count, in_files);
g_free(in_files);
fprintf(stderr, "mergecap: Can't open or create %s: %s\n", out_filename,
wtap_strerror(open_err));
exit(1);
}
/* do the merge (or append) */
count = 1;
for (;;) {
if (do_append)
in_file = merge_append_read_packet(in_file_count, in_files, &read_err,
&err_info);
else
in_file = merge_read_packet(in_file_count, in_files, &read_err,
&err_info);
if (in_file == NULL) {
/* EOF */
break;
}
if (read_err != 0) {
/* I/O error reading from in_file */
got_read_error = TRUE;
break;
}
if (verbose)
fprintf(stderr, "Record: %u\n", count++);
/* We simply write it, perhaps after truncating it; we could do other
* things, like modify it. */
phdr = wtap_phdr(in_file->wth);
if (snaplen != 0 && phdr->caplen > snaplen) {
snap_phdr = *phdr;
snap_phdr.caplen = snaplen;
phdr = &snap_phdr;
}
if (!wtap_dump(pdh, phdr, wtap_buf_ptr(in_file->wth), &write_err)) {
got_write_error = TRUE;
break;
}
}
merge_close_in_files(in_file_count, in_files);
if (!got_read_error && !got_write_error) {
if (!wtap_dump_close(pdh, &write_err))
got_write_error = TRUE;
} else
wtap_dump_close(pdh, &close_err);
if (got_read_error) {
/*
* Find the file on which we got the error, and report the error.
*/
for (i = 0; i < in_file_count; i++) {
if (in_files[i].state == GOT_ERROR) {
fprintf(stderr, "mergecap: Error reading %s: %s\n",
in_files[i].filename, wtap_strerror(read_err));
switch (read_err) {
case WTAP_ERR_UNSUPPORTED:
case WTAP_ERR_UNSUPPORTED_ENCAP:
case WTAP_ERR_BAD_FILE:
fprintf(stderr, "(%s)\n", err_info);
g_free(err_info);
break;
}
}
}
}
if (got_write_error) {
switch (write_err) {
case WTAP_ERR_UNSUPPORTED_ENCAP:
/*
* This is a problem with the particular frame we're writing;
* note that, and give the frame number.
*/
fprintf(stderr, "mergecap: Frame %u of \"%s\" has a network type that can't be saved in a file with that format\n.",
in_file->packet_num, in_file->filename);
break;
default:
fprintf(stderr, "mergecap: Error writing to outfile: %s\n",
wtap_strerror(write_err));
break;
}
}
g_free(in_files);
return (!got_read_error && !got_write_error) ? 0 : 2;
}
int main(int argc, char *argv[])
{
wtap *wth = NULL;
wtap_dumper *pdh = NULL;
Buffer buf;
int err;
gchar *err_info;
gint64 data_offset;
const struct wtap_pkthdr *phdr;
guint wrong_order_count = 0;
gboolean write_output_regardless = TRUE;
guint i;
wtapng_section_t *shb_hdr;
wtapng_iface_descriptions_t *idb_inf;
GPtrArray *frames;
FrameRecord_t *prevFrame = NULL;
int opt;
int file_count;
char *infile;
char *outfile;
/* Process the options first */
while ((opt = getopt(argc, argv, "hn")) != -1) {
switch (opt) {
case 'n':
write_output_regardless = FALSE;
break;
case 'h':
usage(FALSE);
exit(0);
case '?':
usage(TRUE);
exit(1);
}
}
/* Remaining args are file names */
file_count = argc - optind;
if (file_count == 2) {
infile = argv[optind];
outfile = argv[optind+1];
}
else {
usage(TRUE);
exit(1);
}
init_open_routines();
/* Open infile */
wth = wtap_open_offline(infile, WTAP_TYPE_AUTO, &err, &err_info, TRUE);
if (wth == NULL) {
fprintf(stderr, "reordercap: Can't open %s: %s\n", infile,
wtap_strerror(err));
switch (err) {
case WTAP_ERR_UNSUPPORTED:
case WTAP_ERR_UNSUPPORTED_ENCAP:
case WTAP_ERR_BAD_FILE:
fprintf(stderr, "(%s)\n", err_info);
g_free(err_info);
break;
}
exit(1);
}
DEBUG_PRINT("file_type_subtype is %u\n", wtap_file_type_subtype(wth));
shb_hdr = wtap_file_get_shb_info(wth);
idb_inf = wtap_file_get_idb_info(wth);
/* Open outfile (same filetype/encap as input file) */
pdh = wtap_dump_open_ng(outfile, wtap_file_type_subtype(wth), wtap_file_encap(wth),
65535, FALSE, shb_hdr, idb_inf, &err);
g_free(idb_inf);
if (pdh == NULL) {
fprintf(stderr, "reordercap: Failed to open output file: (%s) - error %s\n",
outfile, wtap_strerror(err));
g_free(shb_hdr);
exit(1);
}
/* Allocate the array of frame pointers. */
frames = g_ptr_array_new();
/* Read each frame from infile */
while (wtap_read(wth, &err, &err_info, &data_offset)) {
FrameRecord_t *newFrameRecord;
phdr = wtap_phdr(wth);
newFrameRecord = g_slice_new(FrameRecord_t);
newFrameRecord->num = frames->len + 1;
newFrameRecord->offset = data_offset;
newFrameRecord->time = phdr->ts;
if (prevFrame && frames_compare(&newFrameRecord, &prevFrame) < 0) {
wrong_order_count++;
}
g_ptr_array_add(frames, newFrameRecord);
prevFrame = newFrameRecord;
}
if (err != 0) {
/* Print a message noting that the read failed somewhere along the line. */
fprintf(stderr,
"reordercap: An error occurred while reading \"%s\": %s.\n",
infile, wtap_strerror(err));
switch (err) {
case WTAP_ERR_UNSUPPORTED:
case WTAP_ERR_UNSUPPORTED_ENCAP:
case WTAP_ERR_BAD_FILE:
fprintf(stderr, "(%s)\n", err_info);
g_free(err_info);
break;
}
}
printf("%u frames, %u out of order\n", frames->len, wrong_order_count);
/* Sort the frames */
if (wrong_order_count > 0) {
g_ptr_array_sort(frames, frames_compare);
}
/* Write out each sorted frame in turn */
buffer_init(&buf, 1500);
for (i = 0; i < frames->len; i++) {
FrameRecord_t *frame = (FrameRecord_t *)frames->pdata[i];
/* Avoid writing if already sorted and configured to */
if (write_output_regardless || (wrong_order_count > 0)) {
frame_write(frame, wth, pdh, &buf, infile);
}
g_slice_free(FrameRecord_t, frame);
}
buffer_free(&buf);
if (!write_output_regardless && (wrong_order_count == 0)) {
printf("Not writing output file because input file is already in order!\n");
}
/* Free the whole array */
g_ptr_array_free(frames, TRUE);
/* Close outfile */
if (!wtap_dump_close(pdh, &err)) {
fprintf(stderr, "reordercap: Error closing %s: %s\n", outfile,
wtap_strerror(err));
g_free(shb_hdr);
exit(1);
}
g_free(shb_hdr);
/* Finally, close infile */
wtap_fdclose(wth);
return 0;
}
int
main(int argc, char **argv)
{
wtap_dumper *dump;
struct wtap_pkthdr pkthdr;
union wtap_pseudo_header *ps_header = &pkthdr.pseudo_header;
int i, j, len_this_pkt, len_random, err;
gchar *err_info;
guint8 buffer[65536];
int opt;
int produce_count = 1000; /* number of pkts to produce */
int produce_type = PKT_ETHERNET;
char *produce_filename = NULL;
int produce_max_bytes = 5000;
pkt_example *example;
static const struct option long_options[] = {
{(char *)"help", no_argument, NULL, 'h'},
{0, 0, 0, 0 }
};
#ifdef _WIN32
arg_list_utf_16to8(argc, argv);
create_app_running_mutex();
#endif /* _WIN32 */
while ((opt = getopt_long(argc, argv, "b:c:ht:", long_options, NULL)) != -1) {
switch (opt) {
case 'b': /* max bytes */
produce_max_bytes = atoi(optarg);
if (produce_max_bytes > 65536) {
fprintf(stderr,
"randpkt: Max bytes is 65536\n");
exit(1);
}
break;
case 'c': /* count */
produce_count = atoi(optarg);
break;
case 't': /* type of packet to produce */
produce_type = parse_type(optarg);
break;
case 'h':
usage(FALSE);
break;
default:
usage(TRUE);
break;
}
}
/* any more command line parameters? */
if (argc > optind) {
produce_filename = argv[optind];
}
else {
usage(TRUE);
}
example = find_example(produce_type);
dump = wtap_dump_open(produce_filename, WTAP_FILE_TYPE_SUBTYPE_PCAP,
example->sample_wtap_encap, produce_max_bytes, FALSE /* compressed */, &err);
if (!dump) {
fprintf(stderr,
"randpkt: Error writing to %s\n", produce_filename);
exit(2);
}
seed();
/* reduce max_bytes by # of bytes already in sample */
if (produce_max_bytes <= example->sample_length) {
fprintf(stderr,
"randpkt: Sample packet length is %d, which is greater than or equal to\n",
example->sample_length);
fprintf(stderr, "your requested max_bytes value of %d\n",
produce_max_bytes);
exit(1);
}
else {
produce_max_bytes -= example->sample_length;
}
memset(&pkthdr, 0, sizeof(pkthdr));
memset(buffer, 0, sizeof(buffer));
pkthdr.rec_type = REC_TYPE_PACKET;
pkthdr.presence_flags = WTAP_HAS_TS;
pkthdr.pkt_encap = example->sample_wtap_encap;
/* Load the sample pseudoheader into our pseudoheader buffer */
if (example->pseudo_buffer)
memcpy(ps_header, example->pseudo_buffer, example->pseudo_length);
/* Load the sample into our buffer */
if (example->sample_buffer)
memcpy(&buffer[0], example->sample_buffer, example->sample_length);
/* Produce random packets */
for (i = 0; i < produce_count; i++) {
if (produce_max_bytes > 0) {
len_random = (rand() % produce_max_bytes + 1);
}
else {
len_random = 0;
}
len_this_pkt = example->sample_length + len_random;
pkthdr.caplen = len_this_pkt;
pkthdr.len = len_this_pkt;
pkthdr.ts.secs = i; /* just for variety */
for (j = example->pseudo_length; j < (int) sizeof(*ps_header); j++) {
((guint8*)ps_header)[j] = (rand() % 0x100);
}
for (j = example->sample_length; j < len_this_pkt; j++) {
/* Add format strings here and there */
if ((int) (100.0*rand()/(RAND_MAX+1.0)) < 3 && j < (len_random - 3)) {
memcpy(&buffer[j], "%s", 3);
j += 2;
} else {
buffer[j] = (rand() % 0x100);
}
}
/* XXX - report errors! */
if (!wtap_dump(dump, &pkthdr, &buffer[0], &err, &err_info)) {
if (err_info != NULL)
g_free(err_info);
}
}
wtap_dump_close(dump, &err);
return 0;
}
/*
* Opens an .xml file with Trace data formated according to 3GPP TS 32.423 and converts it to
* an "Exported PDU type file with the entire xml file as the first "packet" appending the
* raw messages as subsequent packages to be dissected by wireshark.
*/
static wtap_open_return_val
create_temp_pcapng_file(wtap *wth, int *err, gchar **err_info, nettrace_3gpp_32_423_file_info_t *file_info)
{
int import_file_fd;
wtap_dumper* wdh_exp_pdu;
int exp_pdu_file_err;
/* pcapng defs */
wtapng_section_t *shb_hdr;
wtapng_iface_descriptions_t *idb_inf;
wtapng_if_descr_t int_data;
GString *os_info_str;
char *appname;
gint64 file_size;
int packet_size;
guint8 *packet_buf;
int wrt_err;
gchar *wrt_err_info;
struct wtap_pkthdr phdr;
gboolean do_random = FALSE;
char *curr_pos, *next_pos;
import_file_fd = create_tempfile(&(file_info->tmpname), "Wireshark_PDU_");
/* Now open a file and dump to it */
/* Create data for SHB */
os_info_str = g_string_new("");
get_os_version_info(os_info_str);
appname = g_strdup_printf("Wireshark %s", get_ws_vcs_version_info());
shb_hdr = g_new(wtapng_section_t, 1);
shb_hdr->section_length = -1;
/* options */
shb_hdr->opt_comment = g_strdup_printf("File converted to Exported PDU format during opening");
/*
* UTF-8 string containing the description of the hardware used to create
* this section.
*/
shb_hdr->shb_hardware = NULL;
/*
* UTF-8 string containing the name of the operating system used to create
* this section.
*/
shb_hdr->shb_os = g_string_free(os_info_str, FALSE);
/*
* UTF-8 string containing the name of the application used to create
* this section.
*/
shb_hdr->shb_user_appl = appname;
/* Create fake IDB info */
idb_inf = g_new(wtapng_iface_descriptions_t, 1);
idb_inf->interface_data = g_array_new(FALSE, FALSE, sizeof(wtapng_if_descr_t));
/* create the fake interface data */
int_data.wtap_encap = WTAP_ENCAP_WIRESHARK_UPPER_PDU;
int_data.time_units_per_second = 1000000; /* default microsecond resolution */
int_data.link_type = wtap_wtap_encap_to_pcap_encap(WTAP_ENCAP_WIRESHARK_UPPER_PDU);
int_data.snap_len = WTAP_MAX_PACKET_SIZE;
int_data.if_name = g_strdup("Fake IF");
int_data.opt_comment = NULL;
int_data.if_description = NULL;
int_data.if_speed = 0;
int_data.if_tsresol = 6;
int_data.if_filter_str = NULL;
int_data.bpf_filter_len = 0;
int_data.if_filter_bpf_bytes = NULL;
int_data.if_os = NULL;
int_data.if_fcslen = -1;
int_data.num_stat_entries = 0; /* Number of ISB:s */
int_data.interface_statistics = NULL;
g_array_append_val(idb_inf->interface_data, int_data);
wdh_exp_pdu = wtap_dump_fdopen_ng(import_file_fd, WTAP_FILE_TYPE_SUBTYPE_PCAPNG, WTAP_ENCAP_WIRESHARK_UPPER_PDU,
WTAP_MAX_PACKET_SIZE, FALSE, shb_hdr, idb_inf, NULL, &exp_pdu_file_err);
if (wdh_exp_pdu == NULL) {
return WTAP_OPEN_ERROR;
}
g_free(shb_hdr);
g_free(appname);
/* OK we've opend a new pcap-ng file and written the headers, time to do the packets, strt by finding the file size */
if ((file_size = wtap_file_size(wth, err)) == -1)
return WTAP_OPEN_ERROR;
if (file_size > MAX_FILE_SIZE) {
/*
* Don't blow up trying to allocate space for an
* immensely-large file.
*/
*err = WTAP_ERR_BAD_FILE;
*err_info = g_strdup_printf("mime_file: File has %" G_GINT64_MODIFIER "d-byte packet, bigger than maximum of %u",
file_size, MAX_FILE_SIZE);
return WTAP_OPEN_ERROR;
}
packet_size = (int)file_size;
/* Allocate the packet buffer
* (the whole file + Exported PDU tag "protocol" and
* the string "xml" + 1 filler to end on 4 byte boundary for the tag
* + End of options 4 bytes
*/
/* XXX add the length of exported bdu tag(s) here */
packet_buf = (guint8 *)g_malloc(packet_size + 12);
packet_buf[0] = 0;
packet_buf[1] = 12; /* EXP_PDU_TAG_PROTO_NAME */
packet_buf[2] = 0;
packet_buf[3] = 4;
packet_buf[4] = 0x78; /* "x" */
packet_buf[5] = 0x6d; /* "m" */
packet_buf[6] = 0x6c; /* "l" */
packet_buf[7] = 0;
/* End of options */
packet_buf[8] = 0;
packet_buf[9] = 0;
packet_buf[10] = 0;
packet_buf[11] = 0;
if (!wtap_read_bytes(wth->fh, packet_buf + 12, packet_size, &wrt_err, &wrt_err_info)){
return WTAP_OPEN_ERROR;
}
/* Create the packet header */
memset(&phdr, 0, sizeof(struct wtap_pkthdr));
phdr.rec_type = REC_TYPE_PACKET;
phdr.presence_flags = 0; /* yes, we have no bananas^Wtime stamp */
phdr.caplen = packet_size + 12;
phdr.len = packet_size + 12;
phdr.ts.secs = 0;
phdr.ts.nsecs = 0;
/* XXX: report errors! */
if (!wtap_dump(wdh_exp_pdu, &phdr, packet_buf, &wrt_err, &wrt_err_info)) {
switch (wrt_err) {
case WTAP_ERR_UNWRITABLE_REC_DATA:
g_free(wrt_err_info);
break;
default:
break;
}
g_free(packet_buf);
return WTAP_OPEN_ERROR;
}
/* Advance *packet_buf to point at the raw file data */
curr_pos = packet_buf + 12;
/* Lets add the raw messages as packets after the main "packet" with the whole file */
while ((curr_pos = strstr(curr_pos, "<msg")) != NULL){
wtap_open_return_val temp_val;
curr_pos = curr_pos + 4;
next_pos = strstr(curr_pos, "</msg>");
if (!next_pos){
/* Somethings wrong, bail out */
break;
}
next_pos = next_pos + 6;
/* Do we have a raw msg?) */
curr_pos = strstr(curr_pos, "<rawMsg");
if (!curr_pos){
/* No rawMsg, continue */
curr_pos = next_pos;
continue;
}
curr_pos = curr_pos + 7;
/* Add the raw msg*/
temp_val = write_packet_data(wdh_exp_pdu, &phdr, &wrt_err, &wrt_err_info, curr_pos);
if (temp_val != WTAP_OPEN_MINE){
g_free(packet_buf);
return temp_val;
}
curr_pos = next_pos;
}
/* Close the written file*/
if (!wtap_dump_close(wdh_exp_pdu, err)){
g_free(packet_buf);
return WTAP_OPEN_ERROR;
}
g_free(packet_buf);
/* Now open the file for reading */
/* Find out if random read was requested */
if (wth->random_fh){
do_random = TRUE;
}
file_info->wth_tmp_file =
wtap_open_offline(file_info->tmpname, WTAP_TYPE_AUTO, err, err_info, do_random);
if (!file_info->wth_tmp_file){
return WTAP_OPEN_ERROR;
}
return WTAP_OPEN_MINE;
}
static void
exp_pdu_file_open(exp_pdu_t *exp_pdu_tap_data)
{
char *tmpname, *capfile_name;
int err;
/* pcapng defs */
wtap_optionblock_t shb_hdr;
wtapng_iface_descriptions_t *idb_inf;
wtap_optionblock_t int_data;
wtapng_if_descr_mandatory_t *int_data_mand;
GString *os_info_str;
gchar *opt_comment, *wireshark_ver;
/* Create data for SHB */
os_info_str = g_string_new("");
get_os_version_info(os_info_str);
shb_hdr = wtap_optionblock_create(WTAP_OPTION_BLOCK_NG_SECTION);
/* options */
opt_comment = g_strdup_printf("Dump of PDUs from %s", cfile.filename);
wtap_optionblock_set_option_string(shb_hdr, OPT_COMMENT, opt_comment);
g_free(opt_comment);
/*
* UTF-8 string containing the name of the operating system used to create
* this section.
*/
wtap_optionblock_set_option_string(shb_hdr, OPT_SHB_OS, g_string_free(os_info_str, TRUE));
/*
* UTF-8 string containing the name of the application used to create
* this section.
*/
wireshark_ver = g_strdup_printf("Wireshark %s", get_ws_vcs_version_info());
wtap_optionblock_set_option_string(shb_hdr, OPT_SHB_USERAPPL, wireshark_ver);
g_free(wireshark_ver);
/* Create fake IDB info */
idb_inf = g_new(wtapng_iface_descriptions_t,1);
idb_inf->interface_data = g_array_new(FALSE, FALSE, sizeof(wtap_optionblock_t));
/* create the fake interface data */
int_data = wtap_optionblock_create(WTAP_OPTION_BLOCK_IF_DESCR);
int_data_mand = (wtapng_if_descr_mandatory_t*)wtap_optionblock_get_mandatory_data(int_data);
int_data_mand->wtap_encap = WTAP_ENCAP_WIRESHARK_UPPER_PDU;
int_data_mand->time_units_per_second = 1000000000; /* default nanosecond resolution */
int_data_mand->link_type = wtap_wtap_encap_to_pcap_encap(WTAP_ENCAP_WIRESHARK_UPPER_PDU);
int_data_mand->snap_len = WTAP_MAX_PACKET_SIZE;
wtap_optionblock_set_option_string(int_data, OPT_IDB_NAME, "Fake IF, PDU->Export");
wtap_optionblock_set_option_uint8(int_data, OPT_IDB_TSRESOL, 9);
g_array_append_val(idb_inf->interface_data, int_data);
/* Use a random name for the temporary import buffer */
exp_pdu_tap_data->wdh = wtap_dump_open_tempfile_ng(&tmpname, "Wireshark_PDU_",
WTAP_FILE_TYPE_SUBTYPE_PCAPNG,
WTAP_ENCAP_WIRESHARK_UPPER_PDU, WTAP_MAX_PACKET_SIZE,
FALSE, shb_hdr, idb_inf, NULL, &err);
capfile_name = g_strdup(tmpname);
if (exp_pdu_tap_data->wdh == NULL) {
open_failure_alert_box(capfile_name ? capfile_name : "temporary file", err, TRUE);
goto end;
}
/* Run the tap */
cf_retap_packets(&cfile);
if (!wtap_dump_close(exp_pdu_tap_data->wdh, &err)) {
write_failure_alert_box(capfile_name, err);
}
remove_tap_listener(exp_pdu_tap_data);
/* XXX: should this use the open_routine type in the cfile instead of WTAP_TYPE_AUTO? */
if (cf_open(&cfile, capfile_name, WTAP_TYPE_AUTO, TRUE /* temporary file */, &err) != CF_OK) {
open_failure_alert_box(capfile_name, err, FALSE);
goto end;
}
switch (cf_read(&cfile, FALSE)) {
case CF_READ_OK:
case CF_READ_ERROR:
/* Just because we got an error, that doesn't mean we were unable
to read any of the file; we handle what we could get from the
file. */
break;
case CF_READ_ABORTED:
/* The user bailed out of re-reading the capture file; the
capture file has been closed - just free the capture file name
string and return (without changing the last containing
directory). */
break;
}
end:
g_free(capfile_name);
wtap_optionblock_free(shb_hdr);
wtap_free_idb_info(idb_inf);
}
/*
* Merges the files based on given input, and invokes callback during
* execution. Returns MERGE_OK on success, or a MERGE_ERR_XXX on failure; note
* that the passed-in 'err' variable will be more specific to what failed, and
* err_info will have pretty output.
*/
merge_result
merge_files(int out_fd, const gchar* out_filename, const int file_type,
const char *const *in_filenames, const guint in_file_count,
const gboolean do_append, const idb_merge_mode mode,
guint snaplen, const gchar *app_name, merge_progress_callback_t* cb,
int *err, gchar **err_info, guint *err_fileno)
{
merge_in_file_t *in_files = NULL, *in_file = NULL;
int frame_type = WTAP_ENCAP_PER_PACKET;
merge_result status = MERGE_OK;
wtap_dumper *pdh;
struct wtap_pkthdr *phdr, snap_phdr;
int count = 0;
gboolean stop_flag = FALSE;
GArray *shb_hdrs = NULL;
wtapng_iface_descriptions_t *idb_inf = NULL;
g_assert(out_fd > 0);
g_assert(in_file_count > 0);
g_assert(in_filenames != NULL);
g_assert(err != NULL);
g_assert(err_info != NULL);
g_assert(err_fileno != NULL);
/* if a callback was given, it has to have a callback function ptr */
g_assert((cb != NULL) ? (cb->callback_func != NULL) : TRUE);
merge_debug("merge_files: begin");
/* open the input files */
if (!merge_open_in_files(in_file_count, in_filenames, &in_files,
err, err_info, err_fileno)) {
merge_debug("merge_files: merge_open_in_files() failed with err=%d", *err);
return MERGE_ERR_CANT_OPEN_INFILE;
}
if (cb)
cb->callback_func(MERGE_EVENT_INPUT_FILES_OPENED, 0, in_files, in_file_count, cb->data);
if (snaplen == 0) {
/* Snapshot length not specified - default to the maximum. */
snaplen = WTAP_MAX_PACKET_SIZE;
}
/*
* This doesn't tell us that much. It tells us what to set the outfile's
* encap type to, but that's all - for example, it does *not* tells us
* whether the input files had the same number of IDBs, for the same exact
* interfaces, and only one IDB each, so it doesn't actually tell us
* whether we can merge IDBs into one or not.
*/
frame_type = merge_select_frame_type(in_file_count, in_files);
merge_debug("merge_files: got frame_type=%d", frame_type);
if (cb)
cb->callback_func(MERGE_EVENT_FRAME_TYPE_SELECTED, frame_type, in_files, in_file_count, cb->data);
/* prepare the outfile */
if (file_type == WTAP_FILE_TYPE_SUBTYPE_PCAPNG) {
shb_hdrs = create_shb_header(in_files, in_file_count, app_name);
merge_debug("merge_files: SHB created");
idb_inf = generate_merged_idb(in_files, in_file_count, mode);
merge_debug("merge_files: IDB merge operation complete, got %u IDBs", idb_inf ? idb_inf->interface_data->len : 0);
pdh = wtap_dump_fdopen_ng(out_fd, file_type, frame_type, snaplen,
FALSE /* compressed */, shb_hdrs, idb_inf,
NULL, err);
}
else {
pdh = wtap_dump_fdopen(out_fd, file_type, frame_type, snaplen, FALSE /* compressed */, err);
}
if (pdh == NULL) {
merge_close_in_files(in_file_count, in_files);
g_free(in_files);
wtap_block_array_free(shb_hdrs);
wtap_free_idb_info(idb_inf);
return MERGE_ERR_CANT_OPEN_OUTFILE;
}
if (cb)
cb->callback_func(MERGE_EVENT_READY_TO_MERGE, 0, in_files, in_file_count, cb->data);
for (;;) {
*err = 0;
if (do_append) {
in_file = merge_append_read_packet(in_file_count, in_files, err,
err_info);
}
else {
in_file = merge_read_packet(in_file_count, in_files, err,
err_info);
}
if (in_file == NULL) {
/* EOF */
break;
}
if (*err != 0) {
/* I/O error reading from in_file */
status = MERGE_ERR_CANT_READ_INFILE;
break;
}
count++;
if (cb)
stop_flag = cb->callback_func(MERGE_EVENT_PACKET_WAS_READ, count, in_files, in_file_count, cb->data);
if (stop_flag) {
/* The user decided to abort the merge. */
status = MERGE_USER_ABORTED;
break;
}
phdr = wtap_phdr(in_file->wth);
if (snaplen != 0 && phdr->caplen > snaplen) {
/*
* The dumper will only write up to caplen bytes out, so we only
* need to change that value, instead of cloning the whole packet
* with fewer bytes.
*
* XXX: but do we need to change the IDBs' snap_len?
*/
snap_phdr = *phdr;
snap_phdr.caplen = snaplen;
phdr = &snap_phdr;
}
if (file_type == WTAP_FILE_TYPE_SUBTYPE_PCAPNG) {
/*
* XXX - We should do this only for record types
* that pertain to a particular interface; for
* now, we hardcode that, but we need to figure
* out a more general way to handle this.
*/
if (phdr->rec_type == REC_TYPE_PACKET) {
if (!map_phdr_interface_id(phdr, in_file)) {
status = MERGE_ERR_BAD_PHDR_INTERFACE_ID;
break;
}
}
}
if (!wtap_dump(pdh, phdr, wtap_buf_ptr(in_file->wth), err, err_info)) {
status = MERGE_ERR_CANT_WRITE_OUTFILE;
break;
}
}
if (cb)
cb->callback_func(MERGE_EVENT_DONE, count, in_files, in_file_count, cb->data);
merge_close_in_files(in_file_count, in_files);
if (status == MERGE_OK || status == MERGE_USER_ABORTED) {
if (!wtap_dump_close(pdh, err))
status = MERGE_ERR_CANT_CLOSE_OUTFILE;
} else {
/*
* We already got some error; no need to report another error on
* close.
*
* Don't overwrite the earlier error.
*/
int close_err = 0;
(void)wtap_dump_close(pdh, &close_err);
}
if (status != MERGE_OK) {
GString *err_message = NULL;
gchar *display_basename = NULL;
switch(status) {
case MERGE_ERR_CANT_READ_INFILE:
*err_info = get_read_error_string(in_files, in_file_count, err, err_info);
break;
case MERGE_ERR_CANT_WRITE_OUTFILE: /* fall through */
case MERGE_ERR_CANT_CLOSE_OUTFILE:
*err_info = get_write_error_string(in_file, file_type, out_filename, err, err_info);
break;
case MERGE_ERR_BAD_PHDR_INTERFACE_ID:
display_basename = g_filename_display_basename(in_file ? in_file->filename : "UNKNOWN");
if (*err_info != NULL)
g_free(*err_info);
err_message = g_string_new("");
g_string_printf(err_message,
"Record %u of \"%s\" has an interface ID which does not match any IDB in its file.",
in_file ? in_file->packet_num : 0, display_basename);
g_free(display_basename);
*err_info = g_string_free(err_message, FALSE);
break;
case MERGE_USER_ABORTED: /* not really an error */
default:
break;
}
}
g_free(in_files);
wtap_block_array_free(shb_hdrs);
wtap_free_idb_info(idb_inf);
return status;
}
int main(int argc, char *argv[])
{
wtap *wth = NULL;
wtap_dumper *pdh = NULL;
int err;
gchar *err_info;
gint64 data_offset;
const struct wtap_pkthdr *phdr;
guint wrong_order_count = 0;
gboolean write_output_regardless = TRUE;
guint i;
GPtrArray *frames;
FrameRecord_t *prevFrame = NULL;
int opt;
int file_count;
char *infile;
char *outfile;
/* Process the options first */
while ((opt = getopt(argc, argv, "n")) != -1) {
switch (opt) {
case 'n':
write_output_regardless = FALSE;
break;
case '?':
usage();
exit(1);
}
}
/* Remaining args are file names */
file_count = argc - optind;
if (file_count == 2) {
infile = argv[optind];
outfile = argv[optind+1];
}
else {
usage();
exit(1);
}
/* Open infile */
wth = wtap_open_offline(infile, &err, &err_info, TRUE);
if (wth == NULL) {
printf("reorder: Can't open %s: %s\n", infile, wtap_strerror(err));
exit(1);
}
DEBUG_PRINT("file_type is %u\n", wtap_file_type(wth));
/* Open outfile (same filetype/encap as input file) */
pdh = wtap_dump_open(outfile, wtap_file_type(wth), wtap_file_encap(wth), 65535, FALSE, &err);
if (pdh == NULL) {
printf("Failed to open output file: (%s) - error %s\n", outfile, wtap_strerror(err));
exit(1);
}
/* Allocate the array of frame pointers. */
frames = g_ptr_array_new();
/* Read each frame from infile */
while (wtap_read(wth, &err, &err_info, &data_offset)) {
FrameRecord_t *newFrameRecord;
phdr = wtap_phdr(wth);
newFrameRecord = g_slice_new(FrameRecord_t);
newFrameRecord->num = frames->len + 1;
newFrameRecord->offset = data_offset;
newFrameRecord->length = phdr->len;
newFrameRecord->time = phdr->ts;
if (prevFrame && frames_compare(&newFrameRecord, &prevFrame) < 0) {
wrong_order_count++;
}
g_ptr_array_add(frames, newFrameRecord);
prevFrame = newFrameRecord;
}
printf("%u frames, %u out of order\n", frames->len, wrong_order_count);
/* Sort the frames */
if (wrong_order_count > 0) {
g_ptr_array_sort(frames, frames_compare);
}
/* Write out each sorted frame in turn */
for (i = 0; i < frames->len; i++) {
FrameRecord_t *frame = frames->pdata[i];
/* Avoid writing if already sorted and configured to */
if (write_output_regardless || (wrong_order_count > 0)) {
frame_write(frame, wth, pdh);
}
g_slice_free(FrameRecord_t, frame);
}
if (!write_output_regardless && (wrong_order_count == 0)) {
printf("Not writing output file because input file is already in order!\n");
}
/* Free the whole array */
g_ptr_array_free(frames, TRUE);
/* Close outfile */
if (!wtap_dump_close(pdh, &err)) {
printf("Error closing %s: %s\n", outfile, wtap_strerror(err));
exit(1);
}
/* Finally, close infile */
wtap_fdclose(wth);
return 0;
}
static merge_result
merge_process_packets(wtap_dumper *pdh, const int file_type,
merge_in_file_t *in_files, const guint in_file_count,
const gboolean do_append, guint snaplen,
merge_progress_callback_t* cb,
int *err, gchar **err_info, guint *err_fileno,
guint32 *err_framenum)
{
merge_result status = MERGE_OK;
merge_in_file_t *in_file;
int count = 0;
gboolean stop_flag = FALSE;
struct wtap_pkthdr *phdr, snap_phdr;
for (;;) {
*err = 0;
if (do_append) {
in_file = merge_append_read_packet(in_file_count, in_files, err,
err_info);
}
else {
in_file = merge_read_packet(in_file_count, in_files, err,
err_info);
}
if (in_file == NULL) {
/* We're at EOF on all input files */
break;
}
if (*err != 0) {
/* I/O error reading from in_file */
status = MERGE_ERR_CANT_READ_INFILE;
break;
}
count++;
if (cb)
stop_flag = cb->callback_func(MERGE_EVENT_PACKET_WAS_READ, count, in_files, in_file_count, cb->data);
if (stop_flag) {
/* The user decided to abort the merge. */
status = MERGE_USER_ABORTED;
break;
}
phdr = wtap_phdr(in_file->wth);
if (snaplen != 0 && phdr->caplen > snaplen) {
/*
* The dumper will only write up to caplen bytes out, so we only
* need to change that value, instead of cloning the whole packet
* with fewer bytes.
*
* XXX: but do we need to change the IDBs' snap_len?
*/
snap_phdr = *phdr;
snap_phdr.caplen = snaplen;
phdr = &snap_phdr;
}
if (file_type == WTAP_FILE_TYPE_SUBTYPE_PCAPNG) {
/*
* XXX - We should do this only for record types
* that pertain to a particular interface; for
* now, we hardcode that, but we need to figure
* out a more general way to handle this.
*/
if (phdr->rec_type == REC_TYPE_PACKET) {
if (!map_phdr_interface_id(phdr, in_file)) {
status = MERGE_ERR_BAD_PHDR_INTERFACE_ID;
break;
}
}
}
if (!wtap_dump(pdh, phdr, wtap_buf_ptr(in_file->wth), err, err_info)) {
status = MERGE_ERR_CANT_WRITE_OUTFILE;
break;
}
}
if (cb)
cb->callback_func(MERGE_EVENT_DONE, count, in_files, in_file_count, cb->data);
merge_close_in_files(in_file_count, in_files);
if (status == MERGE_OK || status == MERGE_USER_ABORTED) {
if (!wtap_dump_close(pdh, err))
status = MERGE_ERR_CANT_CLOSE_OUTFILE;
} else {
/*
* We already got some error; no need to report another error on
* close.
*
* Don't overwrite the earlier error.
*/
int close_err = 0;
(void)wtap_dump_close(pdh, &close_err);
}
if (status == MERGE_OK || in_file == NULL) {
*err_fileno = 0;
*err_framenum = 0;
} else {
*err_fileno = (guint)(in_file - in_files);
*err_framenum = in_file->packet_num;
}
return status;
}
int
main(int argc, char **argv)
{
wtap_dumper *dump;
struct wtap_pkthdr pkthdr;
union wtap_pseudo_header ps_header;
int i, j, len_this_pkt, len_random, err;
guint8 buffer[65536];
int opt;
int produce_count = 1000; /* number of pkts to produce */
int produce_type = PKT_ETHERNET;
char *produce_filename = NULL;
int produce_max_bytes = 5000;
pkt_example *example;
while ((opt = getopt(argc, argv, "b:c:ht:")) != -1) {
switch (opt) {
case 'b': /* max bytes */
produce_max_bytes = atoi(optarg);
if (produce_max_bytes > 65536) {
fprintf(stderr,
"randpkt: Max bytes is 65536\n");
exit(1);
}
break;
case 'c': /* count */
produce_count = atoi(optarg);
break;
case 't': /* type of packet to produce */
produce_type = parse_type(optarg);
break;
case 'h':
default:
usage();
break;
}
}
/* any more command line parameters? */
if (argc > optind) {
produce_filename = argv[optind];
}
else {
usage();
}
example = find_example(produce_type);
dump = wtap_dump_open(produce_filename, WTAP_FILE_PCAP,
example->sample_wtap_encap, produce_max_bytes, FALSE /* compressed */, &err);
if (!dump) {
fprintf(stderr,
"randpkt: Error writing to %s\n", produce_filename);
exit(2);
}
seed();
/* reduce max_bytes by # of bytes already in sample */
if (produce_max_bytes <= example->sample_length) {
fprintf(stderr,
"randpkt: Sample packet length is %d, which is greater than or equal to\n",
example->sample_length);
fprintf(stderr, "your requested max_bytes value of %d\n",
produce_max_bytes);
exit(1);
}
else {
produce_max_bytes -= example->sample_length;
}
memset(&pkthdr, 0, sizeof(pkthdr));
memset(&ps_header, 0, sizeof(ps_header));
memset(buffer, 0, sizeof(buffer));
pkthdr.pkt_encap = example->sample_wtap_encap;
/* Load the sample pseudoheader into our pseudoheader buffer */
if (example->pseudo_buffer)
memcpy(&ps_header, example->pseudo_buffer, example->pseudo_length);
/* Load the sample into our buffer */
if (example->sample_buffer)
memcpy(&buffer[0], example->sample_buffer, example->sample_length);
/* Produce random packets */
for (i = 0; i < produce_count; i++) {
if (produce_max_bytes > 0) {
len_random = (rand() % produce_max_bytes + 1);
}
else {
len_random = 0;
}
len_this_pkt = example->sample_length + len_random;
pkthdr.caplen = len_this_pkt;
pkthdr.len = len_this_pkt;
pkthdr.ts.secs = i; /* just for variety */
for (j = example->pseudo_length; j < (int) sizeof(ps_header); j++) {
((guint8*)&ps_header)[j] = (rand() % 0x100);
}
for (j = example->sample_length; j < len_this_pkt; j++) {
/* Add format strings here and there */
if ((int) (100.0*rand()/(RAND_MAX+1.0)) < 3 && j < (len_random - 3)) {
memcpy(&buffer[j], "%s", 3);
j += 2;
} else {
buffer[j] = (rand() % 0x100);
}
}
wtap_dump(dump, &pkthdr, &ps_header, &buffer[0], &err);
}
wtap_dump_close(dump, &err);
return 0;
}
int
main(int argc, char *argv[])
{
GString *comp_info_str;
GString *runtime_info_str;
char *init_progfile_dir_error;
wtap *wth = NULL;
wtap_dumper *pdh = NULL;
wtap_rec dump_rec;
Buffer buf;
int err;
gchar *err_info;
gint64 data_offset;
const wtap_rec *rec;
guint wrong_order_count = 0;
gboolean write_output_regardless = TRUE;
guint i;
GArray *shb_hdrs = NULL;
wtapng_iface_descriptions_t *idb_inf = NULL;
GArray *nrb_hdrs = NULL;
int ret = EXIT_SUCCESS;
GPtrArray *frames;
FrameRecord_t *prevFrame = NULL;
int opt;
static const struct option long_options[] = {
{"help", no_argument, NULL, 'h'},
{"version", no_argument, NULL, 'v'},
{0, 0, 0, 0 }
};
int file_count;
char *infile;
const char *outfile;
cmdarg_err_init(failure_warning_message, failure_message_cont);
/* Get the compile-time version information string */
comp_info_str = get_compiled_version_info(NULL, NULL);
/* 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("Reordercap (Wireshark) %s\n"
"\n"
"%s"
"\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);
/*
* Get credential information for later use.
*/
init_process_policies();
/*
* Attempt to get the pathname of the directory containing the
* executable file.
*/
init_progfile_dir_error = init_progfile_dir(argv[0]);
if (init_progfile_dir_error != NULL) {
fprintf(stderr,
"reordercap: Can't get pathname of directory containing the reordercap program: %s.\n",
init_progfile_dir_error);
g_free(init_progfile_dir_error);
}
init_report_message(failure_warning_message, failure_warning_message,
NULL, NULL, NULL);
wtap_init(TRUE);
/* Process the options first */
while ((opt = getopt_long(argc, argv, "hnv", long_options, NULL)) != -1) {
switch (opt) {
case 'n':
write_output_regardless = FALSE;
break;
case 'h':
printf("Reordercap (Wireshark) %s\n"
"Reorder timestamps of input file frames into output file.\n"
"See https://www.wireshark.org for more information.\n",
get_ws_vcs_version_info());
print_usage(stdout);
goto clean_exit;
case 'v':
comp_info_str = get_compiled_version_info(NULL, NULL);
runtime_info_str = get_runtime_version_info(NULL);
show_version("Reordercap (Wireshark)", comp_info_str, runtime_info_str);
g_string_free(comp_info_str, TRUE);
g_string_free(runtime_info_str, TRUE);
goto clean_exit;
case '?':
print_usage(stderr);
ret = INVALID_OPTION;
goto clean_exit;
}
}
/* Remaining args are file names */
file_count = argc - optind;
if (file_count == 2) {
infile = argv[optind];
outfile = argv[optind+1];
}
else {
print_usage(stderr);
ret = INVALID_OPTION;
goto clean_exit;
}
/* Open infile */
/* TODO: if reordercap is ever changed to give the user a choice of which
open_routine reader to use, then the following needs to change. */
wth = wtap_open_offline(infile, WTAP_TYPE_AUTO, &err, &err_info, TRUE);
if (wth == NULL) {
cfile_open_failure_message("reordercap", infile, err, err_info);
ret = OPEN_ERROR;
goto clean_exit;
}
DEBUG_PRINT("file_type_subtype is %d\n", wtap_file_type_subtype(wth));
shb_hdrs = wtap_file_get_shb_for_new_file(wth);
idb_inf = wtap_file_get_idb_info(wth);
nrb_hdrs = wtap_file_get_nrb_for_new_file(wth);
/* Open outfile (same filetype/encap as input file) */
if (strcmp(outfile, "-") == 0) {
pdh = wtap_dump_open_stdout_ng(wtap_file_type_subtype(wth), wtap_file_encap(wth),
wtap_snapshot_length(wth), FALSE, shb_hdrs, idb_inf, nrb_hdrs, &err);
} else {
pdh = wtap_dump_open_ng(outfile, wtap_file_type_subtype(wth), wtap_file_encap(wth),
wtap_snapshot_length(wth), FALSE, shb_hdrs, idb_inf, nrb_hdrs, &err);
}
g_free(idb_inf);
idb_inf = NULL;
if (pdh == NULL) {
cfile_dump_open_failure_message("reordercap", outfile, err,
wtap_file_type_subtype(wth));
wtap_block_array_free(shb_hdrs);
wtap_block_array_free(nrb_hdrs);
ret = OUTPUT_FILE_ERROR;
goto clean_exit;
}
/* Allocate the array of frame pointers. */
frames = g_ptr_array_new();
/* Read each frame from infile */
while (wtap_read(wth, &err, &err_info, &data_offset)) {
FrameRecord_t *newFrameRecord;
rec = wtap_get_rec(wth);
newFrameRecord = g_slice_new(FrameRecord_t);
newFrameRecord->num = frames->len + 1;
newFrameRecord->offset = data_offset;
if (rec->presence_flags & WTAP_HAS_TS) {
newFrameRecord->frame_time = rec->ts;
} else {
nstime_set_unset(&newFrameRecord->frame_time);
}
if (prevFrame && frames_compare(&newFrameRecord, &prevFrame) < 0) {
wrong_order_count++;
}
g_ptr_array_add(frames, newFrameRecord);
prevFrame = newFrameRecord;
}
if (err != 0) {
/* Print a message noting that the read failed somewhere along the line. */
cfile_read_failure_message("reordercap", infile, err, err_info);
}
printf("%u frames, %u out of order\n", frames->len, wrong_order_count);
/* Sort the frames */
if (wrong_order_count > 0) {
g_ptr_array_sort(frames, frames_compare);
}
/* Write out each sorted frame in turn */
wtap_rec_init(&dump_rec);
ws_buffer_init(&buf, 1500);
for (i = 0; i < frames->len; i++) {
FrameRecord_t *frame = (FrameRecord_t *)frames->pdata[i];
/* Avoid writing if already sorted and configured to */
if (write_output_regardless || (wrong_order_count > 0)) {
frame_write(frame, wth, pdh, &dump_rec, &buf, infile, outfile);
}
g_slice_free(FrameRecord_t, frame);
}
wtap_rec_cleanup(&dump_rec);
ws_buffer_free(&buf);
if (!write_output_regardless && (wrong_order_count == 0)) {
printf("Not writing output file because input file is already in order.\n");
}
/* Free the whole array */
g_ptr_array_free(frames, TRUE);
/* Close outfile */
if (!wtap_dump_close(pdh, &err)) {
cfile_close_failure_message(outfile, err);
wtap_block_array_free(shb_hdrs);
wtap_block_array_free(nrb_hdrs);
ret = OUTPUT_FILE_ERROR;
goto clean_exit;
}
wtap_block_array_free(shb_hdrs);
wtap_block_array_free(nrb_hdrs);
/* Finally, close infile and release resources. */
wtap_close(wth);
clean_exit:
wtap_cleanup();
free_progdirs();
return ret;
}
int
main(int argc, char *argv[])
{
GString *comp_info_str;
GString *runtime_info_str;
int opt;
DIAG_OFF(cast-qual)
static const struct option long_options[] = {
{(char *)"help", no_argument, NULL, 'h'},
{(char *)"version", no_argument, NULL, 'V'},
{0, 0, 0, 0 }
};
DIAG_ON(cast-qual)
gboolean do_append = FALSE;
gboolean verbose = FALSE;
int in_file_count = 0;
guint snaplen = 0;
#ifdef PCAP_NG_DEFAULT
int file_type = WTAP_FILE_TYPE_SUBTYPE_PCAPNG; /* default to pcap format */
#else
int file_type = WTAP_FILE_TYPE_SUBTYPE_PCAP; /* default to pcapng format */
#endif
int frame_type = -2;
int out_fd;
merge_in_file_t *in_files = NULL, *in_file;
int i;
struct wtap_pkthdr *phdr, snap_phdr;
wtap_dumper *pdh;
int open_err, read_err = 0, write_err, close_err;
gchar *err_info, *write_err_info = NULL;
int err_fileno;
char *out_filename = NULL;
gboolean got_read_error = FALSE, got_write_error = FALSE;
int count;
cmdarg_err_init(mergecap_cmdarg_err, mergecap_cmdarg_err_cont);
#ifdef _WIN32
arg_list_utf_16to8(argc, argv);
create_app_running_mutex();
#endif /* _WIN32 */
/* Get the compile-time version information string */
comp_info_str = get_compiled_version_info(NULL, get_mergecap_compiled_info);
/* Get the run-time version information string */
runtime_info_str = get_runtime_version_info(get_mergecap_runtime_info);
/* Add it to the information to be reported on a crash. */
ws_add_crash_info("Mergecap (Wireshark) %s\n"
"\n"
"%s"
"\n"
"%s",
get_ws_vcs_version_info(), comp_info_str->str, runtime_info_str->str);
/* Process the options first */
while ((opt = getopt_long(argc, argv, "aF:hs:T:vVw:", long_options, NULL)) != -1) {
switch (opt) {
case 'a':
do_append = !do_append;
break;
case 'F':
file_type = wtap_short_string_to_file_type_subtype(optarg);
if (file_type < 0) {
fprintf(stderr, "mergecap: \"%s\" isn't a valid capture file type\n",
optarg);
list_capture_types();
exit(1);
}
break;
case 'h':
printf("Mergecap (Wireshark) %s\n"
"Merge two or more capture files into one.\n"
"See http://www.wireshark.org for more information.\n",
get_ws_vcs_version_info());
print_usage(stdout);
exit(0);
break;
case 's':
snaplen = get_positive_int(optarg, "snapshot length");
break;
case 'T':
frame_type = wtap_short_string_to_encap(optarg);
if (frame_type < 0) {
fprintf(stderr, "mergecap: \"%s\" isn't a valid encapsulation type\n",
optarg);
list_encap_types();
exit(1);
}
break;
case 'v':
verbose = TRUE;
break;
case 'V':
show_version("Mergecap (Wireshark)", comp_info_str, runtime_info_str);
g_string_free(comp_info_str, TRUE);
g_string_free(runtime_info_str, TRUE);
exit(0);
break;
case 'w':
out_filename = optarg;
break;
case '?': /* Bad options if GNU getopt */
switch(optopt) {
case'F':
list_capture_types();
break;
case'T':
list_encap_types();
break;
default:
print_usage(stderr);
}
exit(1);
break;
}
}
/* check for proper args; at a minimum, must have an output
* filename and one input file
*/
in_file_count = argc - optind;
if (!out_filename) {
fprintf(stderr, "mergecap: an output filename must be set with -w\n");
fprintf(stderr, " run with -h for help\n");
return 1;
}
if (in_file_count < 1) {
fprintf(stderr, "mergecap: No input files were specified\n");
return 1;
}
/* open the input files */
if (!merge_open_in_files(in_file_count, &argv[optind], &in_files,
&open_err, &err_info, &err_fileno)) {
fprintf(stderr, "mergecap: Can't open %s: %s\n", argv[optind + err_fileno],
wtap_strerror(open_err));
if (err_info != NULL) {
fprintf(stderr, "(%s)\n", err_info);
g_free(err_info);
}
return 2;
}
if (verbose) {
for (i = 0; i < in_file_count; i++)
fprintf(stderr, "mergecap: %s is type %s.\n", argv[optind + i],
wtap_file_type_subtype_string(wtap_file_type_subtype(in_files[i].wth)));
}
if (snaplen == 0) {
/*
* Snapshot length not specified - default to the maximum of the
* snapshot lengths of the input files.
*/
snaplen = merge_max_snapshot_length(in_file_count, in_files);
}
/* set the outfile frame type */
if (frame_type == -2) {
/*
* Default to the appropriate frame type for the input files.
*/
frame_type = merge_select_frame_type(in_file_count, in_files);
if (verbose) {
if (frame_type == WTAP_ENCAP_PER_PACKET) {
/*
* Find out why we had to choose WTAP_ENCAP_PER_PACKET.
*/
int first_frame_type, this_frame_type;
first_frame_type = wtap_file_encap(in_files[0].wth);
for (i = 1; i < in_file_count; i++) {
this_frame_type = wtap_file_encap(in_files[i].wth);
if (first_frame_type != this_frame_type) {
fprintf(stderr, "mergecap: multiple frame encapsulation types detected\n");
fprintf(stderr, " defaulting to WTAP_ENCAP_PER_PACKET\n");
fprintf(stderr, " %s had type %s (%s)\n",
in_files[0].filename,
wtap_encap_string(first_frame_type),
wtap_encap_short_string(first_frame_type));
fprintf(stderr, " %s had type %s (%s)\n",
in_files[i].filename,
wtap_encap_string(this_frame_type),
wtap_encap_short_string(this_frame_type));
break;
}
}
}
fprintf(stderr, "mergecap: selected frame_type %s (%s)\n",
wtap_encap_string(frame_type),
wtap_encap_short_string(frame_type));
}
}
/* open the outfile */
if (strncmp(out_filename, "-", 2) == 0) {
/* use stdout as the outfile */
out_fd = 1 /*stdout*/;
} else {
/* open the outfile */
out_fd = ws_open(out_filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0644);
if (out_fd == -1) {
fprintf(stderr, "mergecap: Couldn't open output file %s: %s\n",
out_filename, g_strerror(errno));
exit(1);
}
}
/* prepare the outfile */
if(file_type == WTAP_FILE_TYPE_SUBTYPE_PCAPNG ){
wtapng_section_t *shb_hdr;
GString *comment_gstr;
shb_hdr = g_new(wtapng_section_t,1);
comment_gstr = g_string_new("File created by merging: \n");
for (i = 0; i < in_file_count; i++) {
g_string_append_printf(comment_gstr, "File%d: %s \n",i+1,in_files[i].filename);
}
shb_hdr->section_length = -1;
/* options */
shb_hdr->opt_comment = comment_gstr->str; /* NULL if not available */
shb_hdr->shb_hardware = NULL; /* NULL if not available, UTF-8 string containing the description of the hardware used to create this section. */
shb_hdr->shb_os = NULL; /* NULL if not available, UTF-8 string containing the name of the operating system used to create this section. */
shb_hdr->shb_user_appl = g_strdup("mergecap"); /* NULL if not available, UTF-8 string containing the name of the application used to create this section. */
pdh = wtap_dump_fdopen_ng(out_fd, file_type, frame_type, snaplen,
FALSE /* compressed */, shb_hdr, NULL /* wtapng_iface_descriptions_t *idb_inf */, &open_err);
g_string_free(comment_gstr, TRUE);
} else {
pdh = wtap_dump_fdopen(out_fd, file_type, frame_type, snaplen, FALSE /* compressed */, &open_err);
}
if (pdh == NULL) {
merge_close_in_files(in_file_count, in_files);
g_free(in_files);
fprintf(stderr, "mergecap: Can't open or create %s: %s\n", out_filename,
wtap_strerror(open_err));
exit(1);
}
/* do the merge (or append) */
count = 1;
for (;;) {
if (do_append)
in_file = merge_append_read_packet(in_file_count, in_files, &read_err,
&err_info);
else
in_file = merge_read_packet(in_file_count, in_files, &read_err,
&err_info);
if (in_file == NULL) {
/* EOF */
break;
}
if (read_err != 0) {
/* I/O error reading from in_file */
got_read_error = TRUE;
break;
}
if (verbose)
fprintf(stderr, "Record: %d\n", count++);
/* We simply write it, perhaps after truncating it; we could do other
* things, like modify it. */
phdr = wtap_phdr(in_file->wth);
if (snaplen != 0 && phdr->caplen > snaplen) {
snap_phdr = *phdr;
snap_phdr.caplen = snaplen;
phdr = &snap_phdr;
}
if (!wtap_dump(pdh, phdr, wtap_buf_ptr(in_file->wth), &write_err, &write_err_info)) {
got_write_error = TRUE;
break;
}
}
merge_close_in_files(in_file_count, in_files);
if (!got_write_error) {
if (!wtap_dump_close(pdh, &write_err))
got_write_error = TRUE;
} else {
/*
* We already got a write error; no need to report another
* write error on close.
*
* Don't overwrite the earlier write error.
*/
(void)wtap_dump_close(pdh, &close_err);
}
if (got_read_error) {
/*
* Find the file on which we got the error, and report the error.
*/
for (i = 0; i < in_file_count; i++) {
if (in_files[i].state == GOT_ERROR) {
fprintf(stderr, "mergecap: Error reading %s: %s\n",
in_files[i].filename, wtap_strerror(read_err));
if (err_info != NULL) {
fprintf(stderr, "(%s)\n", err_info);
g_free(err_info);
}
}
}
}
if (got_write_error) {
switch (write_err) {
case WTAP_ERR_UNWRITABLE_ENCAP:
/*
* This is a problem with the particular frame we're writing and
* the file type and subtype we're wwriting; note that, and
* report the frame number and file type/subtype.
*/
fprintf(stderr, "mergecap: Frame %u of \"%s\" has a network type that can't be saved in a \"%s\" file.\n",
in_file ? in_file->packet_num : 0, in_file ? in_file->filename : "UNKNOWN",
wtap_file_type_subtype_string(file_type));
break;
case WTAP_ERR_PACKET_TOO_LARGE:
/*
* This is a problem with the particular frame we're writing and
* the file type and subtype we're wwriting; note that, and
* report the frame number and file type/subtype.
*/
fprintf(stderr, "mergecap: Frame %u of \"%s\" is too large for a \"%s\" file.\n",
in_file ? in_file->packet_num : 0, in_file ? in_file->filename : "UNKNOWN",
wtap_file_type_subtype_string(file_type));
break;
case WTAP_ERR_UNWRITABLE_REC_TYPE:
/*
* This is a problem with the particular record we're writing and
* the file type and subtype we're wwriting; note that, and
* report the record number and file type/subtype.
*/
fprintf(stderr, "mergecap: Record %u of \"%s\" has a record type that can't be saved in a \"%s\" file.\n",
in_file ? in_file->packet_num : 0, in_file ? in_file->filename : "UNKNOWN",
wtap_file_type_subtype_string(file_type));
break;
case WTAP_ERR_UNWRITABLE_REC_DATA:
/*
* This is a problem with the particular record we're writing and
* the file type and subtype we're wwriting; note that, and
* report the record number and file type/subtype.
*/
fprintf(stderr, "mergecap: Record %u of \"%s\" has data that can't be saved in a \"%s\" file.\n(%s)\n",
in_file ? in_file->packet_num : 0, in_file ? in_file->filename : "UNKNOWN",
wtap_file_type_subtype_string(file_type),
write_err_info != NULL ? write_err_info : "no information supplied");
g_free(write_err_info);
break;
default:
fprintf(stderr, "mergecap: Error writing to outfile: %s\n",
wtap_strerror(write_err));
break;
}
}
g_free(in_files);
return (!got_read_error && !got_write_error) ? 0 : 2;
}
