/* adds IDB to merged file info, returns its index */
static guint
add_idb_to_merged_file(wtapng_iface_descriptions_t *merged_idb_list,
const wtap_optionblock_t input_file_idb)
{
wtap_optionblock_t idb = wtap_optionblock_create(WTAP_OPTION_BLOCK_IF_DESCR);
wtapng_if_descr_mandatory_t* idb_mand;
wtapng_if_descr_filter_t if_filter;
g_assert(merged_idb_list != NULL);
g_assert(merged_idb_list->interface_data != NULL);
g_assert(input_file_idb != NULL);
wtap_optionblock_copy_options(idb, input_file_idb);
idb_mand = (wtapng_if_descr_mandatory_t*)wtap_optionblock_get_mandatory_data(idb);
/* Don't copy filter or stat information */
memset(&if_filter, 0, sizeof(if_filter));
wtap_optionblock_set_option_custom(idb, OPT_IDB_FILTER, &if_filter);
idb_mand->num_stat_entries = 0; /* Number of ISB:s */
idb_mand->interface_statistics = NULL;
g_array_append_val(merged_idb_list->interface_data, idb);
return merged_idb_list->interface_data->len - 1;
}
/* creates a section header block for the new output file */
static wtap_optionblock_t
create_shb_header(const merge_in_file_t *in_files, const guint in_file_count,
const gchar *app_name)
{
wtap_optionblock_t shb_hdr;
GString *comment_gstr;
GString *os_info_str;
guint i;
char* shb_comment = NULL;
wtapng_mandatory_section_t* shb_data;
shb_hdr = wtap_file_get_shb_for_new_file(in_files[0].wth);
comment_gstr = g_string_new("");
/* TODO: merge comments from all files */
wtap_optionblock_get_option_string(shb_hdr, OPT_COMMENT, &shb_comment);
/* very lame way to save comments - does not save them from the other files */
if (shb_comment && strlen(shb_comment) > 0) {
g_string_append_printf(comment_gstr, "%s \n",shb_comment);
}
g_string_append_printf(comment_gstr, "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);
}
os_info_str = g_string_new("");
get_os_version_info(os_info_str);
shb_data = (wtapng_mandatory_section_t*)wtap_optionblock_get_mandatory_data(shb_hdr);
shb_data->section_length = -1;
/* TODO: handle comments from each file being merged */
wtap_optionblock_set_option_string(shb_hdr, OPT_COMMENT, g_string_free(comment_gstr, TRUE)); /* section comment */
wtap_optionblock_set_option_string(shb_hdr, OPT_SHB_HARDWARE, NULL ); /* NULL if not available, UTF-8 string containing the */
/* description of the hardware 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 operating system used to create this section. */
wtap_optionblock_set_option_string(shb_hdr, OPT_SHB_USERAPPL, (char*)app_name ); /* NULL if not available, UTF-8 string containing the name */
/* of the application used to create this section. */
return shb_hdr;
}
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);
}
static gboolean
is_duplicate_idb(const wtap_optionblock_t idb1, const wtap_optionblock_t idb2)
{
wtapng_if_descr_mandatory_t *idb1_mand, *idb2_mand;
guint64 idb1_if_speed, idb2_if_speed;
guint8 idb1_if_tsresol, idb2_if_tsresol;
guint8 idb1_if_fcslen, idb2_if_fcslen;
char *idb1_opt_comment, *idb2_opt_comment, *idb1_if_name, *idb2_if_name,
*idb1_if_description, *idb2_if_description, *idb1_if_os, *idb2_if_os;
g_assert(idb1 && idb2);
idb1_mand = (wtapng_if_descr_mandatory_t*)wtap_optionblock_get_mandatory_data(idb1);
idb2_mand = (wtapng_if_descr_mandatory_t*)wtap_optionblock_get_mandatory_data(idb2);
merge_debug("merge::is_duplicate_idb() called");
merge_debug("idb1_mand->wtap_encap == idb2_mand->wtap_encap: %s",
(idb1_mand->wtap_encap == idb2_mand->wtap_encap) ? "TRUE":"FALSE");
merge_debug("idb1_mand->time_units_per_second == idb2_mand->time_units_per_second: %s",
(idb1_mand->time_units_per_second == idb2_mand->time_units_per_second) ? "TRUE":"FALSE");
merge_debug("idb1_mand->tsprecision == idb2_mand->tsprecision: %s",
(idb1_mand->tsprecision == idb2_mand->tsprecision) ? "TRUE":"FALSE");
merge_debug("idb1_mand->link_type == idb2_mand->link_type: %s",
(idb1_mand->link_type == idb2_mand->link_type) ? "TRUE":"FALSE");
merge_debug("idb1_mand->snap_len == idb2_mand->snap_len: %s",
(idb1_mand->snap_len == idb2_mand->snap_len) ? "TRUE":"FALSE");
wtap_optionblock_get_option_uint64(idb1, OPT_IDB_SPEED, &idb1_if_speed);
wtap_optionblock_get_option_uint64(idb2, OPT_IDB_SPEED, &idb2_if_speed);
merge_debug("idb1_if_speed == idb2_if_speed: %s",
(idb1_if_speed == idb2_if_speed) ? "TRUE":"FALSE");
wtap_optionblock_get_option_uint8(idb1, OPT_IDB_TSRESOL, &idb1_if_tsresol);
wtap_optionblock_get_option_uint8(idb2, OPT_IDB_TSRESOL, &idb2_if_tsresol);
merge_debug("idb1_if_tsresol == idb2_if_tsresol: %s",
(idb1_if_tsresol == idb2_if_tsresol) ? "TRUE":"FALSE");
wtap_optionblock_get_option_uint8(idb1, OPT_IDB_FCSLEN, &idb1_if_fcslen);
wtap_optionblock_get_option_uint8(idb2, OPT_IDB_FCSLEN, &idb2_if_fcslen);
merge_debug("idb1_if_fcslen == idb2_if_fcslen: %s",
(idb1_if_fcslen == idb2_if_fcslen) ? "TRUE":"FALSE");
wtap_optionblock_get_option_string(idb1, OPT_COMMENT, &idb1_opt_comment);
wtap_optionblock_get_option_string(idb2, OPT_COMMENT, &idb2_opt_comment);
merge_debug("g_strcmp0(idb1_opt_comment, idb2_opt_comment) == 0: %s",
(g_strcmp0(idb1_opt_comment, idb2_opt_comment) == 0) ? "TRUE":"FALSE");
wtap_optionblock_get_option_string(idb1, OPT_IDB_NAME, &idb1_if_name);
wtap_optionblock_get_option_string(idb2, OPT_IDB_NAME, &idb2_if_name);
merge_debug("g_strcmp0(idb1_if_name, idb2_if_name) == 0: %s",
(g_strcmp0(idb1_if_name, idb2_if_name) == 0) ? "TRUE":"FALSE");
wtap_optionblock_get_option_string(idb1, OPT_IDB_DESCR, &idb1_if_description);
wtap_optionblock_get_option_string(idb2, OPT_IDB_DESCR, &idb2_if_description);
merge_debug("g_strcmp0(idb1_if_description, idb2_if_description) == 0: %s",
(g_strcmp0(idb1_if_description, idb2_if_description) == 0) ? "TRUE":"FALSE");
wtap_optionblock_get_option_string(idb1, OPT_IDB_OS, &idb1_if_os);
wtap_optionblock_get_option_string(idb2, OPT_IDB_OS, &idb2_if_os);
merge_debug("g_strcmp0(idb1_if_os, idb2_if_os) == 0: %s",
(g_strcmp0(idb1_if_os, idb2_if_os) == 0) ? "TRUE":"FALSE");
merge_debug("merge::is_duplicate_idb() returning");
/* does not compare filters nor interface statistics */
return (idb1_mand->wtap_encap == idb2_mand->wtap_encap &&
idb1_mand->time_units_per_second == idb2_mand->time_units_per_second &&
idb1_mand->tsprecision == idb2_mand->tsprecision &&
idb1_mand->link_type == idb2_mand->link_type &&
/* XXX: should snaplen not be compared? */
idb1_mand->snap_len == idb2_mand->snap_len &&
idb1_if_speed == idb2_if_speed &&
idb1_if_tsresol == idb2_if_tsresol &&
idb1_if_fcslen == idb2_if_fcslen &&
g_strcmp0(idb1_opt_comment, idb2_opt_comment) == 0 &&
g_strcmp0(idb1_if_name, idb2_if_name) == 0 &&
g_strcmp0(idb1_if_description, idb2_if_description) == 0 &&
g_strcmp0(idb1_if_os, idb2_if_os) == 0);
}
int
exp_pdu_open(exp_pdu_t *exp_pdu_tap_data, int fd, char *comment)
{
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 = comment;
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_fdopen_ng(fd, WTAP_FILE_TYPE_SUBTYPE_PCAPNG, WTAP_ENCAP_WIRESHARK_UPPER_PDU, WTAP_MAX_PACKET_SIZE, FALSE,
shb_hdr, idb_inf, NULL, &err);
if (exp_pdu_tap_data->wdh == NULL) {
g_assert(err != 0);
return err;
}
return 0;
}
gchar *
wtap_get_debug_if_descr(const wtap_optionblock_t if_descr,
const int indent,
const char* line_end)
{
char* tmp_content;
wtapng_if_descr_mandatory_t* if_descr_mand;
GString *info = g_string_new("");
guint64 tmp64;
gint8 itmp8;
guint8 tmp8;
wtapng_if_descr_filter_t* if_filter;
g_assert(if_descr);
if_descr_mand = (wtapng_if_descr_mandatory_t*)wtap_optionblock_get_mandatory_data(if_descr);
wtap_optionblock_get_option_string(if_descr, OPT_IDB_NAME, &tmp_content);
g_string_printf(info,
"%*cName = %s%s", indent, ' ',
tmp_content ? tmp_content : "UNKNOWN",
line_end);
wtap_optionblock_get_option_string(if_descr, OPT_IDB_DESCR, &tmp_content);
g_string_append_printf(info,
"%*cDescription = %s%s", indent, ' ',
tmp_content ? tmp_content : "NONE",
line_end);
g_string_append_printf(info,
"%*cEncapsulation = %s (%d/%u - %s)%s", indent, ' ',
wtap_encap_string(if_descr_mand->wtap_encap),
if_descr_mand->wtap_encap,
if_descr_mand->link_type,
wtap_encap_short_string(if_descr_mand->wtap_encap),
line_end);
wtap_optionblock_get_option_uint64(if_descr, OPT_IDB_SPEED, &tmp64);
g_string_append_printf(info,
"%*cSpeed = %" G_GINT64_MODIFIER "u%s", indent, ' ',
tmp64,
line_end);
g_string_append_printf(info,
"%*cCapture length = %u%s", indent, ' ',
if_descr_mand->snap_len,
line_end);
wtap_optionblock_get_option_uint8(if_descr, OPT_IDB_FCSLEN, &itmp8);
g_string_append_printf(info,
"%*cFCS length = %d%s", indent, ' ',
itmp8,
line_end);
g_string_append_printf(info,
"%*cTime precision = %s (%d)%s", indent, ' ',
wtap_tsprec_string(if_descr_mand->tsprecision),
if_descr_mand->tsprecision,
line_end);
g_string_append_printf(info,
"%*cTime ticks per second = %" G_GINT64_MODIFIER "u%s", indent, ' ',
if_descr_mand->time_units_per_second,
line_end);
wtap_optionblock_get_option_uint8(if_descr, OPT_IDB_TSRESOL, &tmp8);
g_string_append_printf(info,
"%*cTime resolution = 0x%.2x%s", indent, ' ',
tmp8,
line_end);
wtap_optionblock_get_option_custom(if_descr, OPT_IDB_FILTER, (void**)&if_filter);
g_string_append_printf(info,
"%*cFilter string = %s%s", indent, ' ',
if_filter->if_filter_str ? if_filter->if_filter_str : "NONE",
line_end);
wtap_optionblock_get_option_string(if_descr, OPT_IDB_OS, &tmp_content);
g_string_append_printf(info,
"%*cOperating system = %s%s", indent, ' ',
tmp_content ? tmp_content : "UNKNOWN",
line_end);
wtap_optionblock_get_option_string(if_descr, OPT_COMMENT, &tmp_content);
g_string_append_printf(info,
"%*cComment = %s%s", indent, ' ',
tmp_content ? tmp_content : "NONE",
line_end);
g_string_append_printf(info,
"%*cBPF filter length = %u%s", indent, ' ',
if_filter->bpf_filter_len,
line_end);
g_string_append_printf(info,
"%*cNumber of stat entries = %u%s", indent, ' ',
if_descr_mand->num_stat_entries,
line_end);
return g_string_free(info, FALSE);
}
