2 * Routines for printing packet analysis trees.
4 * Gilbert Ramirez <gram@alumni.rice.edu>
6 * Wireshark - Network traffic analyzer
7 * By Gerald Combs <gerald@wireshark.org>
8 * Copyright 1998 Gerald Combs
10 * SPDX-License-Identifier: GPL-2.0-or-later
18 #include <epan/packet.h>
19 #include <epan/epan.h>
20 #include <epan/epan_dissect.h>
21 #include <epan/to_str.h>
22 #include <epan/expert.h>
23 #include <epan/column.h>
24 #include <epan/column-info.h>
25 #include <epan/color_filters.h>
26 #include <epan/prefs.h>
27 #include <epan/print.h>
28 #include <epan/charsets.h>
29 #include <wsutil/filesystem.h>
30 #include <version_info.h>
31 #include <wsutil/utf8_entities.h>
32 #include <ftypes/ftypes-int.h>
34 #define PDML_VERSION "0"
35 #define PSML_VERSION "0"
39 print_stream_t *stream;
42 print_dissections_e print_dissections;
43 gboolean print_hex_for_data;
44 packet_char_enc encoding;
45 GHashTable *output_only_tables; /* output only these protocols */
53 pf_flags filter_flags;
61 pf_flags filter_flags;
64 proto_node_children_grouper_func node_children_grouper;
68 output_fields_t *fields;
72 struct _output_fields {
74 gboolean print_header;
79 GHashTable *field_indicies;
80 GPtrArray **field_values;
82 gboolean includes_col_fields;
85 static gchar *get_field_hex_value(GSList *src_list, field_info *fi);
86 static void proto_tree_print_node(proto_node *node, gpointer data);
87 static void proto_tree_write_node_pdml(proto_node *node, gpointer data);
88 static void proto_tree_write_node_ek(proto_node *node, write_json_data *data);
89 static const guint8 *get_field_data(GSList *src_list, field_info *fi);
90 static void pdml_write_field_hex_value(write_pdml_data *pdata, field_info *fi);
91 static void json_write_field_hex_value(write_json_data *pdata, field_info *fi);
92 static gboolean print_hex_data_buffer(print_stream_t *stream, const guchar *cp,
93 guint length, packet_char_enc encoding);
94 static void write_specified_fields(fields_format format,
95 output_fields_t *fields,
96 epan_dissect_t *edt, column_info *cinfo,
98 static void print_escaped_xml(FILE *fh, const char *unescaped_string);
99 static void print_escaped_json(FILE *fh, const char *unescaped_string);
100 static void print_escaped_ek(FILE *fh, const char *unescaped_string);
102 typedef void (*proto_node_value_writer)(proto_node *, write_json_data *);
103 static void write_json_proto_node_list(GSList *proto_node_list_head, write_json_data *data);
104 static void write_json_proto_node(GSList *node_values_head,
106 proto_node_value_writer value_writer,
107 write_json_data *data);
108 static void write_json_proto_node_value_list(GSList *node_values_head,
109 proto_node_value_writer value_writer,
110 write_json_data *data);
111 static void write_json_proto_node_filtered(proto_node *node, write_json_data *data);
112 static void write_json_proto_node_hex_dump(proto_node *node, write_json_data *data);
113 static void write_json_proto_node_children(proto_node *node, write_json_data *data);
114 static void write_json_proto_node_value(proto_node *node, write_json_data *data);
115 static void write_json_proto_node_no_value(proto_node *node, write_json_data *data);
116 static const char *proto_node_to_json_key(proto_node *node);
118 static void print_pdml_geninfo(epan_dissect_t *edt, FILE *fh);
119 static void write_ek_summary(column_info *cinfo, FILE *fh);
121 static void proto_tree_get_node_field_values(proto_node *node, gpointer data);
123 static gboolean json_is_first;
125 /* Cache the protocols and field handles that the print functionality needs
126 This helps break explicit dependency on the dissectors. */
127 static int proto_data = -1;
128 static int proto_frame = -1;
130 void print_cache_field_handles(void)
132 proto_data = proto_get_id_by_short_name("Data");
133 proto_frame = proto_get_id_by_short_name("Frame");
137 proto_tree_print(print_dissections_e print_dissections, gboolean print_hex,
138 epan_dissect_t *edt, GHashTable *output_only_tables,
139 print_stream_t *stream)
143 /* Create the output */
145 data.stream = stream;
147 data.src_list = edt->pi.data_src;
148 data.encoding = (packet_char_enc)edt->pi.fd->flags.encoding;
149 data.print_dissections = print_dissections;
150 /* If we're printing the entire packet in hex, don't
151 print uninterpreted data fields in hex as well. */
152 data.print_hex_for_data = !print_hex;
153 data.output_only_tables = output_only_tables;
155 proto_tree_children_foreach(edt->tree, proto_tree_print_node, &data);
159 /* Print a tree's data, and any child nodes. */
161 proto_tree_print_node(proto_node *node, gpointer data)
163 field_info *fi = PNODE_FINFO(node);
164 print_data *pdata = (print_data*) data;
166 gchar label_str[ITEM_LABEL_LENGTH];
169 /* dissection with an invisible proto tree? */
172 /* Don't print invisible entries. */
173 if (PROTO_ITEM_IS_HIDDEN(node) && (prefs.display_hidden_proto_items == FALSE))
176 /* Give up if we've already gotten an error. */
180 /* was a free format label produced? */
182 label_ptr = fi->rep->representation;
184 else { /* no, make a generic label */
185 label_ptr = label_str;
186 proto_item_fill_label(fi, label_str);
189 if (PROTO_ITEM_IS_GENERATED(node))
190 label_ptr = g_strconcat("[", label_ptr, "]", NULL);
192 pdata->success = print_line(pdata->stream, pdata->level, label_ptr);
194 if (PROTO_ITEM_IS_GENERATED(node))
201 * If -O is specified, only display the protocols which are in the
202 * lookup table. Only check on the first level: once we start printing
203 * a tree, print the rest of the subtree. Otherwise we won't print
204 * subitems whose abbreviation doesn't match the protocol--for example
205 * text items (whose abbreviation is simply "text").
207 if ((pdata->output_only_tables != NULL) && (pdata->level == 0)
208 && (g_hash_table_lookup(pdata->output_only_tables, fi->hfinfo->abbrev) == NULL)) {
212 /* If it's uninterpreted data, dump it (unless our caller will
213 be printing the entire packet in hex). */
214 if ((fi->hfinfo->id == proto_data) && (pdata->print_hex_for_data)) {
216 * Find the data for this field.
218 pd = get_field_data(pdata->src_list, fi);
220 if (!print_line(pdata->stream, 0, "")) {
221 pdata->success = FALSE;
224 if (!print_hex_data_buffer(pdata->stream, pd,
225 fi->length, pdata->encoding)) {
226 pdata->success = FALSE;
232 /* If we're printing all levels, or if this node is one with a
233 subtree and its subtree is expanded, recurse into the subtree,
235 g_assert((fi->tree_type >= -1) && (fi->tree_type < num_tree_types));
236 if ((pdata->print_dissections == print_dissections_expanded) ||
237 ((pdata->print_dissections == print_dissections_as_displayed) &&
238 (fi->tree_type >= 0) && tree_expanded(fi->tree_type))) {
239 if (node->first_child != NULL) {
241 proto_tree_children_foreach(node,
242 proto_tree_print_node, pdata);
250 #define PDML2HTML_XSL "pdml2html.xsl"
252 write_pdml_preamble(FILE *fh, const gchar *filename)
254 time_t t = time(NULL);
255 struct tm * timeinfo;
259 /* Create the output */
260 timeinfo = localtime(&t);
261 if (timeinfo != NULL) {
262 fmt_ts = asctime(timeinfo);
263 fmt_ts[strlen(fmt_ts)-1] = 0; /* overwrite \n */
266 ts = "Not representable";
268 fprintf(fh, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
269 fprintf(fh, "<?xml-stylesheet type=\"text/xsl\" href=\"" PDML2HTML_XSL "\"?>\n");
270 fprintf(fh, "<!-- You can find " PDML2HTML_XSL " in %s or at https://code.wireshark.org/review/gitweb?p=wireshark.git;a=blob_plain;f=" PDML2HTML_XSL ". -->\n", get_datafile_dir());
271 fprintf(fh, "<pdml version=\"" PDML_VERSION "\" creator=\"%s/%s\" time=\"%s\" capture_file=\"", PACKAGE, VERSION, ts);
273 /* \todo filename should be converted to UTF-8. */
274 print_escaped_xml(fh, filename);
276 fprintf(fh, "\">\n");
279 /* Check if the str match the protocolfilter. json_filter is space
280 delimited string and str need to exact-match to one of the value. */
281 static gboolean check_protocolfilter(gchar **protocolfilter, const char *str)
283 gboolean res = FALSE;
286 if (str == NULL || protocolfilter == NULL) {
290 for (ptr = protocolfilter; *ptr; ptr++) {
291 if (strcmp(*ptr, str) == 0) {
301 write_pdml_proto_tree(output_fields_t* fields, gchar **protocolfilter, pf_flags protocolfilter_flags, epan_dissect_t *edt, column_info *cinfo, FILE *fh, gboolean use_color)
303 write_pdml_data data;
304 const color_filter_t *cfp;
309 cfp = edt->pi.fd->color_filter;
311 /* Create the output */
312 if (use_color && (cfp != NULL)) {
313 fprintf(fh, "<packet foreground='#%06x' background='#%06x'>\n",
314 color_t_to_rgb(&cfp->fg_color),
315 color_t_to_rgb(&cfp->bg_color));
318 fprintf(fh, "<packet>\n");
321 /* Print a "geninfo" protocol as required by PDML */
322 print_pdml_geninfo(edt, fh);
324 if (fields == NULL || fields->fields == NULL) {
325 /* Write out all fields */
328 data.src_list = edt->pi.data_src;
329 data.filter = protocolfilter;
330 data.filter_flags = protocolfilter_flags;
332 proto_tree_children_foreach(edt->tree, proto_tree_write_node_pdml,
335 /* Write out specified fields */
336 write_specified_fields(FORMAT_XML, fields, edt, cinfo, fh);
339 fprintf(fh, "</packet>\n\n");
343 write_ek_proto_tree(output_fields_t* fields,
344 gboolean print_summary, gboolean print_hex,
345 gchar **protocolfilter,
346 pf_flags protocolfilter_flags, epan_dissect_t *edt,
350 write_json_data data;
352 time_t t = time(NULL);
358 /* Create the output */
359 timeinfo = localtime(&t);
360 if (timeinfo != NULL)
361 strftime(ts, sizeof ts, "%Y-%m-%d", timeinfo);
363 g_strlcpy(ts, "XXXX-XX-XX", sizeof ts); /* XXX - better way of saying "Not representable"? */
365 fprintf(fh, "{\"index\" : {\"_index\": \"packets-%s\", \"_type\": \"pcap_file\"}}\n", ts);
366 /* Timestamp added for time indexing in Elasticsearch */
367 fprintf(fh, "{\"timestamp\" : \"%" G_GUINT64_FORMAT "%03d\"", (guint64)edt->pi.abs_ts.secs, edt->pi.abs_ts.nsecs/1000000);
370 write_ek_summary(edt->pi.cinfo, fh);
373 fprintf(fh, ", \"layers\" : {");
375 if (fields == NULL || fields->fields == NULL) {
376 /* Write out all fields */
379 data.src_list = edt->pi.data_src;
380 data.filter = protocolfilter;
381 data.filter_flags = protocolfilter_flags;
382 data.print_hex = print_hex;
384 proto_tree_write_node_ek(edt->tree, &data);
386 /* Write out specified fields */
387 write_specified_fields(FORMAT_EK, fields, edt, cinfo, fh);
397 write_fields_proto_tree(output_fields_t* fields, epan_dissect_t *edt, column_info *cinfo, FILE *fh)
402 /* Create the output */
403 write_specified_fields(FORMAT_CSV, fields, edt, cinfo, fh);
406 /* Indent to the correct level */
407 static void print_indent(int level, FILE *fh)
413 for (i = 0; i < level; i++) {
418 /* Write out a tree's data, and any child nodes, as PDML */
420 proto_tree_write_node_pdml(proto_node *node, gpointer data)
422 field_info *fi = PNODE_FINFO(node);
423 write_pdml_data *pdata = (write_pdml_data*) data;
424 const gchar *label_ptr;
425 gchar label_str[ITEM_LABEL_LENGTH];
426 char *dfilter_string;
427 gboolean wrap_in_fake_protocol;
429 /* dissection with an invisible proto tree? */
432 /* Will wrap up top-level field items inside a fake protocol wrapper to
433 preserve the PDML schema */
434 wrap_in_fake_protocol =
435 (((fi->hfinfo->type != FT_PROTOCOL) ||
436 (fi->hfinfo->id == proto_data)) &&
437 (pdata->level == 0));
439 print_indent(pdata->level + 1, pdata->fh);
441 if (wrap_in_fake_protocol) {
442 /* Open fake protocol wrapper */
443 fputs("<proto name=\"fake-field-wrapper\">\n", pdata->fh);
446 print_indent(pdata->level + 1, pdata->fh);
449 /* Text label. It's printed as a field with no name. */
450 if (fi->hfinfo->id == hf_text_only) {
453 label_ptr = fi->rep->representation;
459 /* Show empty name since it is a required field */
460 fputs("<field name=\"", pdata->fh);
461 fputs("\" show=\"", pdata->fh);
462 print_escaped_xml(pdata->fh, label_ptr);
464 fprintf(pdata->fh, "\" size=\"%d", fi->length);
465 if (node->parent && node->parent->finfo && (fi->start < node->parent->finfo->start)) {
466 fprintf(pdata->fh, "\" pos=\"%d", node->parent->finfo->start + fi->start);
468 fprintf(pdata->fh, "\" pos=\"%d", fi->start);
471 if (fi->length > 0) {
472 fputs("\" value=\"", pdata->fh);
473 pdml_write_field_hex_value(pdata, fi);
476 if (node->first_child != NULL) {
477 fputs("\">\n", pdata->fh);
480 fputs("\"/>\n", pdata->fh);
484 /* Uninterpreted data, i.e., the "Data" protocol, is
485 * printed as a field instead of a protocol. */
486 else if (fi->hfinfo->id == proto_data) {
487 /* Write out field with data */
488 fputs("<field name=\"data\" value=\"", pdata->fh);
489 pdml_write_field_hex_value(pdata, fi);
490 fputs("\">\n", pdata->fh);
492 /* Normal protocols and fields */
494 if ((fi->hfinfo->type == FT_PROTOCOL) && (fi->hfinfo->id != proto_expert)) {
495 fputs("<proto name=\"", pdata->fh);
498 fputs("<field name=\"", pdata->fh);
500 print_escaped_xml(pdata->fh, fi->hfinfo->abbrev);
504 * https://wayback.archive.org/web/20150330045501/http://www.nbee.org/doku.php?id=netpdl:pdml_specification
506 * the show fields contains things in 'human readable' format
507 * showname: contains only the name of the field
508 * show: contains only the data of the field
509 * showdtl: contains additional details of the field data
510 * showmap: contains mappings of the field data (e.g. the hostname to an IP address)
512 * XXX - the showname shouldn't contain the field data itself
513 * (like it's contained in the fi->rep->representation).
514 * Unfortunately, we don't have the field data representation for
515 * all fields, so this isn't currently possible */
516 fputs("\" showname=\"", pdata->fh);
517 print_escaped_xml(pdata->fh, fi->hfinfo->name);
521 fputs("\" showname=\"", pdata->fh);
522 print_escaped_xml(pdata->fh, fi->rep->representation);
525 label_ptr = label_str;
526 proto_item_fill_label(fi, label_str);
527 fputs("\" showname=\"", pdata->fh);
528 print_escaped_xml(pdata->fh, label_ptr);
531 if (PROTO_ITEM_IS_HIDDEN(node) && (prefs.display_hidden_proto_items == FALSE))
532 fprintf(pdata->fh, "\" hide=\"yes");
534 fprintf(pdata->fh, "\" size=\"%d", fi->length);
535 if (node->parent && node->parent->finfo && (fi->start < node->parent->finfo->start)) {
536 fprintf(pdata->fh, "\" pos=\"%d", node->parent->finfo->start + fi->start);
538 fprintf(pdata->fh, "\" pos=\"%d", fi->start);
540 /* fprintf(pdata->fh, "\" id=\"%d", fi->hfinfo->id);*/
542 /* show, value, and unmaskedvalue attributes */
543 switch (fi->hfinfo->type)
548 fputs("\" show=\"\" value=\"", pdata->fh);
551 dfilter_string = fvalue_to_string_repr(NULL, &fi->value, FTREPR_DISPLAY, fi->hfinfo->display);
552 if (dfilter_string != NULL) {
554 fputs("\" show=\"", pdata->fh);
555 print_escaped_xml(pdata->fh, dfilter_string);
557 wmem_free(NULL, dfilter_string);
560 * XXX - should we omit "value" for any fields?
561 * What should we do for fields whose length is 0?
562 * They might come from a pseudo-header or from
563 * the capture header (e.g., time stamps), or
564 * they might be generated fields.
566 if (fi->length > 0) {
567 fputs("\" value=\"", pdata->fh);
569 if (fi->hfinfo->bitmask!=0) {
570 switch (fi->value.ftype->ftype) {
575 fprintf(pdata->fh, "%X", (guint) fvalue_get_sinteger(&fi->value));
581 fprintf(pdata->fh, "%X", fvalue_get_uinteger(&fi->value));
587 fprintf(pdata->fh, "%" G_GINT64_MODIFIER "X", fvalue_get_sinteger64(&fi->value));
594 fprintf(pdata->fh, "%" G_GINT64_MODIFIER "X", fvalue_get_uinteger64(&fi->value));
597 g_assert_not_reached();
599 fputs("\" unmaskedvalue=\"", pdata->fh);
600 pdml_write_field_hex_value(pdata, fi);
603 pdml_write_field_hex_value(pdata, fi);
608 if (node->first_child != NULL) {
609 fputs("\">\n", pdata->fh);
611 else if (fi->hfinfo->id == proto_data) {
612 fputs("\">\n", pdata->fh);
615 fputs("\"/>\n", pdata->fh);
619 /* We print some levels for PDML. Recurse here. */
620 if (node->first_child != NULL) {
621 if (pdata->filter == NULL || check_protocolfilter(pdata->filter, fi->hfinfo->abbrev)) {
622 gchar **_filter = NULL;
623 /* Remove protocol filter for children, if children should be included */
624 if ((pdata->filter_flags&PF_INCLUDE_CHILDREN) == PF_INCLUDE_CHILDREN) {
625 _filter = pdata->filter;
626 pdata->filter = NULL;
630 proto_tree_children_foreach(node,
631 proto_tree_write_node_pdml, pdata);
634 /* Put protocol filter back */
635 if ((pdata->filter_flags&PF_INCLUDE_CHILDREN) == PF_INCLUDE_CHILDREN) {
636 pdata->filter = _filter;
639 print_indent(pdata->level + 2, pdata->fh);
641 /* print dummy field */
642 fputs("<field name=\"filtered\" value=\"", pdata->fh);
643 print_escaped_xml(pdata->fh, fi->hfinfo->abbrev);
644 fputs("\" />\n", pdata->fh);
648 /* Take back the extra level we added for fake wrapper protocol */
649 if (wrap_in_fake_protocol) {
653 if (node->first_child != NULL) {
654 print_indent(pdata->level + 1, pdata->fh);
656 /* Close off current element */
657 /* Data and expert "protocols" use simple tags */
658 if ((fi->hfinfo->id != proto_data) && (fi->hfinfo->id != proto_expert)) {
659 if (fi->hfinfo->type == FT_PROTOCOL) {
660 fputs("</proto>\n", pdata->fh);
663 fputs("</field>\n", pdata->fh);
666 fputs("</field>\n", pdata->fh);
670 /* Close off fake wrapper protocol */
671 if (wrap_in_fake_protocol) {
672 print_indent(pdata->level + 1, pdata->fh);
673 fputs("</proto>\n", pdata->fh);
678 write_json_preamble(FILE *fh)
681 json_is_first = TRUE;
685 write_json_finale(FILE *fh)
687 fputs("\n\n]\n", fh);
691 write_json_proto_tree(output_fields_t* fields,
692 print_dissections_e print_dissections,
693 gboolean print_hex, gchar **protocolfilter,
694 pf_flags protocolfilter_flags, epan_dissect_t *edt,
696 proto_node_children_grouper_func node_children_grouper,
700 time_t t = time(NULL);
701 struct tm * timeinfo;
702 write_json_data data;
704 if (!json_is_first) {
705 fputs("\n\n ,\n", fh);
707 json_is_first = FALSE;
710 timeinfo = localtime(&t);
711 if (timeinfo != NULL) {
712 strftime(ts, sizeof ts, "%Y-%m-%d", timeinfo);
714 g_strlcpy(ts, "XXXX-XX-XX", sizeof ts); /* XXX - better way of saying "Not representable"? */
718 fprintf(fh, " \"_index\": \"packets-%s\",\n", ts);
719 fputs(" \"_type\": \"pcap_file\",\n", fh);
720 fputs(" \"_score\": null,\n", fh);
721 fputs(" \"_source\": {\n", fh);
722 fputs(" \"layers\": ", fh);
724 if (fields == NULL || fields->fields == NULL) {
725 /* Write out all fields */
728 data.src_list = edt->pi.data_src;
729 data.filter = protocolfilter;
730 data.filter_flags = protocolfilter_flags;
731 data.print_hex = print_hex;
732 data.print_text = TRUE;
733 if (print_dissections == print_dissections_none) {
734 data.print_text = FALSE;
736 data.node_children_grouper = node_children_grouper;
738 write_json_proto_node_children(edt->tree, &data);
740 write_specified_fields(FORMAT_JSON, fields, edt, cinfo, fh);
749 * Write a json object containing a list of key:value pairs where each key:value pair corresponds to a different json
750 * key and its associated nodes in the proto_tree.
751 * @param proto_node_list_head A 2-dimensional list containing a list of values for each different node json key. The
752 * elements themselves are a linked list of values associated with the same json key.
753 * @param data json writing metadata
756 write_json_proto_node_list(GSList *proto_node_list_head, write_json_data *data)
758 GSList *current_node = proto_node_list_head;
760 fputs("{\n", data->fh);
764 * In most of the following if statements we cannot be sure if its the first or last if statement to be
765 * executed. Thus we need a way of knowing whether a key:value pair has already been printed in order to know
766 * if a comma should be printed before the next key:value pair. We use the delimiter_needed variable to store
767 * whether a comma needs to be written before a new key:value pair is written. Note that instead of checking
768 * before writing a new key:value pair if a comma is needed we could also check after writing a key:value pair
769 * whether a comma is needed but this would be considerably more complex since after each if statement a
770 * different condition would have to be checked. After the first value is written a delimiter is always needed so
771 * this value is never set back to FALSE after it has been set to TRUE.
773 gboolean delimiter_needed = FALSE;
775 // Loop over each list of nodes (differentiated by json key) and write the associated json key:value pair in the
777 while (current_node != NULL) {
778 // Get the list of values for the current json key.
779 GSList *node_values_list = (GSList *) current_node->data;
781 // Retrieve the json key from the first value.
782 proto_node *first_value = (proto_node *) node_values_list->data;
783 const char *json_key = proto_node_to_json_key(first_value);
784 // Check if the current json key is filtered from the output with the "-j" cli option.
785 gboolean is_filtered = data->filter != NULL && !check_protocolfilter(data->filter, json_key);
787 field_info *fi = first_value->finfo;
788 char *value_string_repr = fvalue_to_string_repr(NULL, &fi->value, FTREPR_DISPLAY, fi->hfinfo->display);
790 // We assume all values of a json key have roughly the same layout. Thus we can use the first value to derive
791 // attributes of all the values.
792 gboolean has_value = value_string_repr != NULL;
793 gboolean has_children = first_value->first_child != NULL;
794 gboolean is_pseudo_text_field = fi->hfinfo->id == 0;
796 wmem_free(NULL, value_string_repr); // fvalue_to_string_repr returns allocated buffer
798 // "-x" command line option. A "_raw" suffix is added to the json key so the textual value can be printed
799 // with the original json key. If both hex and text writing are enabled the raw information of fields whose
800 // length is equal to 0 is not written to the output. If the field is a special text pseudo field no raw
801 // information is written either.
802 if (data->print_hex && (!data->print_text || fi->length > 0) && !is_pseudo_text_field) {
803 if (delimiter_needed) fputs(",\n", data->fh);
804 write_json_proto_node(node_values_list, "_raw", write_json_proto_node_hex_dump, data);
805 delimiter_needed = TRUE;
808 if (data->print_text && has_value) {
809 if (delimiter_needed) fputs(",\n", data->fh);
810 write_json_proto_node(node_values_list, "", write_json_proto_node_value, data);
811 delimiter_needed = TRUE;
815 if (delimiter_needed) fputs(",\n", data->fh);
817 // If a node has both a value and a set of children we print the value and the children in separate
818 // key:value pairs. These can't have the same key so whenever a value is already printed with the node
819 // json key we print the children with the same key with a "_tree" suffix added.
820 char *suffix = has_value ? "_tree": "";
823 write_json_proto_node(node_values_list, suffix, write_json_proto_node_filtered, data);
825 // Remove protocol filter for children, if children should be included. This functionality is enabled
826 // with the "-J" command line option. We save the filter so it can be reenabled when we are done with
827 // the current key:value pair.
828 gchar **_filter = NULL;
829 if ((data->filter_flags&PF_INCLUDE_CHILDREN) == PF_INCLUDE_CHILDREN) {
830 _filter = data->filter;
834 write_json_proto_node(node_values_list, suffix, write_json_proto_node_children, data);
836 // Put protocol filter back
837 if ((data->filter_flags&PF_INCLUDE_CHILDREN) == PF_INCLUDE_CHILDREN) {
838 data->filter = _filter;
842 delimiter_needed = TRUE;
845 if (!has_value && !has_children && (data->print_text || (data->print_hex && is_pseudo_text_field))) {
846 if (delimiter_needed) fputs(",\n", data->fh);
847 write_json_proto_node(node_values_list, "", write_json_proto_node_no_value, data);
848 delimiter_needed = TRUE;
851 current_node = current_node->next;
855 fputs("\n", data->fh);
856 print_indent(data->level, data->fh);
857 fputs("}", data->fh);
861 * Writes a single node as a key:value pair. The value_writer param can be used to specify how the node's value should
863 * @param node_values_head Linked list containing all nodes associated with the same json key in this object.
864 * @param suffix Suffix that should be added to the json key.
865 * @param value_writer A function which writes the actual values of the node json key.
866 * @param data json writing metadata
869 write_json_proto_node(GSList *node_values_head,
871 proto_node_value_writer value_writer,
872 write_json_data *data)
874 // Retrieve json key from first value.
875 proto_node *first_value = (proto_node *) node_values_head->data;
876 const char *json_key = proto_node_to_json_key(first_value);
878 print_indent(data->level, data->fh);
879 fputs("\"", data->fh);
880 print_escaped_json(data->fh, json_key);
881 print_escaped_json(data->fh, suffix);
882 fputs("\": ", data->fh);
884 write_json_proto_node_value_list(node_values_head, value_writer, data);
888 * Writes a list of values of a single json key. If multiple values are passed they are wrapped in a json array.
889 * @param node_values_head Linked list containing all values that should be written.
890 * @param value_writer Function which writes the separate values.
891 * @param data json writing metadata
894 write_json_proto_node_value_list(GSList *node_values_head, proto_node_value_writer value_writer, write_json_data *data)
896 GSList *current_value = node_values_head;
898 // Write directly if only a single value is passed. Wrap in json array otherwise.
899 if (current_value->next == NULL) {
900 value_writer((proto_node *) current_value->data, data);
902 fputs("[\n", data->fh);
905 while (current_value != NULL) {
906 // Do not print delimiter before first value
907 if (current_value != node_values_head) fputs(",\n", data->fh);
909 print_indent(data->level, data->fh);
910 value_writer((proto_node *) current_value->data, data);
911 current_value = current_value->next;
915 fputs("\n", data->fh);
916 print_indent(data->level, data->fh);
917 fputs("]", data->fh);
922 * Writes the value for a node that's filtered from the output.
925 write_json_proto_node_filtered(proto_node *node, write_json_data *data)
927 const char *json_key = proto_node_to_json_key(node);
929 fputs("{\n", data->fh);
932 print_indent(data->level, data->fh);
933 fputs("\"filtered\": ", data->fh);
934 fputs("\"", data->fh);
935 print_escaped_json(data->fh, json_key);
936 fputs("\"\n", data->fh);
939 print_indent(data->level, data->fh);
940 fputs("}", data->fh);
944 * Writes the hex dump of a node. A json array is written containing the hex dump, position, length, bitmask and type of
948 write_json_proto_node_hex_dump(proto_node *node, write_json_data *data)
950 field_info *fi = node->finfo;
952 fputs("[\"", data->fh);
954 if (fi->hfinfo->bitmask!=0) {
955 switch (fi->value.ftype->ftype) {
960 fprintf(data->fh, "%X", (guint) fvalue_get_sinteger(&fi->value));
966 fprintf(data->fh, "%X", fvalue_get_uinteger(&fi->value));
972 fprintf(data->fh, "%" G_GINT64_MODIFIER "X", fvalue_get_sinteger64(&fi->value));
979 fprintf(data->fh, "%" G_GINT64_MODIFIER "X", fvalue_get_uinteger64(&fi->value));
982 g_assert_not_reached();
985 json_write_field_hex_value(data, fi);
988 /* Dump raw hex-encoded dissected information including position, length, bitmask, type */
989 fprintf(data->fh, "\", %" G_GINT32_MODIFIER "d", fi->start);
990 fprintf(data->fh, ", %" G_GINT32_MODIFIER "d", fi->length);
991 fprintf(data->fh, ", %" G_GUINT64_FORMAT, fi->hfinfo->bitmask);
992 fprintf(data->fh, ", %" G_GINT32_MODIFIER "d", (gint32)fi->value.ftype->ftype);
994 fputs("]", data->fh);
998 * Writes the children of a node. Calls write_json_proto_node_list internally which recursively writes children of nodes
1002 write_json_proto_node_children(proto_node *node, write_json_data *data)
1004 GSList *grouped_children_list = data->node_children_grouper(node);
1005 write_json_proto_node_list(grouped_children_list, data);
1006 g_slist_free_full(grouped_children_list, (GDestroyNotify) g_slist_free);
1010 * Writes the value of a node to the output.
1013 write_json_proto_node_value(proto_node *node, write_json_data *data)
1015 field_info *fi = node->finfo;
1016 // Get the actual value of the node as a string.
1017 char *value_string_repr = fvalue_to_string_repr(NULL, &fi->value, FTREPR_DISPLAY, fi->hfinfo->display);
1019 fputs("\"", data->fh);
1020 print_escaped_json(data->fh, value_string_repr);
1021 fputs("\"", data->fh);
1023 wmem_free(NULL, value_string_repr);
1027 * Write the value for a node that has no value and no children. This is the empty string for all nodes except those of
1028 * type FT_PROTOCOL for which the full name is written instead.
1031 write_json_proto_node_no_value(proto_node *node, write_json_data *data)
1033 field_info *fi = node->finfo;
1035 fputs("\"", data->fh);
1037 if (fi->hfinfo->type == FT_PROTOCOL) {
1039 print_escaped_json(data->fh, fi->rep->representation);
1041 gchar label_str[ITEM_LABEL_LENGTH];
1042 proto_item_fill_label(fi, label_str);
1043 print_escaped_json(data->fh, label_str);
1047 fputs("\"", data->fh);
1051 * Groups each child of the node separately.
1052 * @return Linked list where each element is another linked list containing a single node.
1055 proto_node_group_children_by_unique(proto_node *node) {
1056 GSList *unique_nodes_list = NULL;
1057 proto_node *current_child = node->first_child;
1059 while (current_child != NULL) {
1060 GSList *unique_node = g_slist_prepend(NULL, current_child);
1061 unique_nodes_list = g_slist_prepend(unique_nodes_list, unique_node);
1062 current_child = current_child->next;
1065 return g_slist_reverse(unique_nodes_list);
1069 * Groups the children of a node by their json key. Children are put in the same group if they have the same json key.
1070 * @return Linked list where each element is another linked list of nodes associated with the same json key.
1073 proto_node_group_children_by_json_key(proto_node *node)
1076 * For each different json key we store a linked list of values corresponding to that json key. These lists are kept
1077 * in both a linked list and a hashmap. The hashmap is used to quickly retrieve the values of a json key. The linked
1078 * list is used to preserve the ordering of keys as they are encountered which is not guaranteed when only using a
1081 GSList *same_key_nodes_list = NULL;
1082 GHashTable *lookup_by_json_key = g_hash_table_new(g_str_hash, g_str_equal);
1083 proto_node *current_child = node->first_child;
1086 * For each child of the node get the key and get the list of values already associated with that key from the
1087 * hashmap. If no list exist yet for that key create a new one and add it to both the linked list and hashmap. If a
1088 * list already exists add the node to that list.
1090 while (current_child != NULL) {
1091 char *json_key = (char *) proto_node_to_json_key(current_child);
1092 GSList *json_key_nodes = (GSList *) g_hash_table_lookup(lookup_by_json_key, json_key);
1094 if (json_key_nodes == NULL) {
1095 json_key_nodes = g_slist_append(json_key_nodes, current_child);
1096 // Prepending in single linked list is O(1), appending is O(n). Better to prepend here and reverse at the
1097 // end than potentially looping to the end of the linked list for each child.
1098 same_key_nodes_list = g_slist_prepend(same_key_nodes_list, json_key_nodes);
1099 g_hash_table_insert(lookup_by_json_key, json_key, json_key_nodes);
1101 // Store and insert value again to circumvent unused_variable warning.
1102 // Append in this case since most value lists will only have a single value.
1103 json_key_nodes = g_slist_append(json_key_nodes, current_child);
1104 g_hash_table_insert(lookup_by_json_key, json_key, json_key_nodes);
1107 current_child = current_child->next;
1110 // Hash table is not needed anymore since the linked list with the correct ordering is returned.
1111 g_hash_table_destroy(lookup_by_json_key);
1113 return g_slist_reverse(same_key_nodes_list);
1117 * Returns the json key of a node. Tries to use the node's abbreviated name. If the abbreviated name is not available
1118 * the representation is used instead.
1121 proto_node_to_json_key(proto_node *node)
1123 const char *json_key;
1124 // Check if node has abbreviated name.
1125 if (node->finfo->hfinfo->id != hf_text_only) {
1126 json_key = node->finfo->hfinfo->abbrev;
1127 } else if (node->finfo->rep != NULL) {
1128 json_key = node->finfo->rep->representation;
1137 ek_check_protocolfilter(gchar **protocolfilter, const char *str)
1139 gchar *str_escaped = NULL;
1142 /* to to thread the '.' and '_' equally. The '.' is replace by print_escaped_ek for '_' */
1143 if (str != NULL && strlen(str) > 0) {
1144 str_escaped = g_strdup(str);
1147 while (str_escaped[i] != '\0') {
1148 if (str_escaped[i] == '.') {
1149 str_escaped[i] = '_';
1155 return check_protocolfilter(protocolfilter, str)
1156 || check_protocolfilter(protocolfilter, str_escaped);
1160 * Finds a node's descendants to be printed as EK/JSON attributes.
1163 write_ek_summary(column_info *cinfo, FILE *fh)
1167 for (i = 0; i < cinfo->num_cols; i++) {
1168 if (!get_column_visible(i)) continue;
1170 print_escaped_ek(fh, g_ascii_strdown(cinfo->columns[i].col_title, -1));
1171 fputs("\": \"", fh);
1172 print_escaped_json(fh, cinfo->columns[i].col_data);
1177 /* Write out a tree's data, and any child nodes, as JSON for EK */
1179 ek_fill_attr(proto_node *node, GSList **attr_list, GHashTable *attr_table, write_json_data *pdata)
1181 field_info *fi = NULL;
1182 field_info *fi_parent = NULL;
1183 gchar *node_name = NULL;
1184 GSList *attr_instances = NULL;
1186 proto_node *current_node = node->first_child;
1187 while (current_node != NULL) {
1188 fi = PNODE_FINFO(current_node);
1189 fi_parent = PNODE_FINFO(current_node->parent);
1191 /* dissection with an invisible proto tree? */
1194 if (fi_parent == NULL) {
1195 node_name = g_strdup(fi->hfinfo->abbrev);
1198 node_name = g_strconcat(fi_parent->hfinfo->abbrev, "_", fi->hfinfo->abbrev, NULL);
1201 attr_instances = (GSList *) g_hash_table_lookup(attr_table, node_name);
1202 // First time we encounter this attr
1203 if (attr_instances == NULL) {
1204 attr_instances = g_slist_append(attr_instances, current_node);
1205 *attr_list = g_slist_prepend(*attr_list, attr_instances);
1208 attr_instances = g_slist_append(attr_instances, current_node);
1211 // Update instance list for this attr in hash table
1212 g_hash_table_insert(attr_table, node_name, attr_instances);
1214 /* Field, recurse through children*/
1215 if (fi->hfinfo->type != FT_PROTOCOL && current_node->first_child != NULL) {
1216 if (pdata->filter != NULL) {
1217 if (ek_check_protocolfilter(pdata->filter, fi->hfinfo->abbrev)) {
1218 gchar **_filter = NULL;
1219 /* Remove protocol filter for children, if children should be included */
1220 if ((pdata->filter_flags&PF_INCLUDE_CHILDREN) == PF_INCLUDE_CHILDREN) {
1221 _filter = pdata->filter;
1222 pdata->filter = NULL;
1225 ek_fill_attr(current_node, attr_list, attr_table, pdata);
1227 /* Put protocol filter back */
1228 if ((pdata->filter_flags&PF_INCLUDE_CHILDREN) == PF_INCLUDE_CHILDREN) {
1229 pdata->filter = _filter;
1233 // Don't traverse children if filtered out
1237 ek_fill_attr(current_node, attr_list, attr_table, pdata);
1241 // Will descend into object at another point
1244 current_node = current_node->next;
1249 ek_write_name(proto_node *pnode, write_json_data *pdata)
1251 field_info *fi = PNODE_FINFO(pnode);
1252 field_info *fi_parent = PNODE_FINFO(pnode->parent);
1254 if (fi_parent != NULL) {
1255 print_escaped_ek(pdata->fh, fi_parent->hfinfo->abbrev);
1256 fputs("_", pdata->fh);
1258 print_escaped_ek(pdata->fh, fi->hfinfo->abbrev);
1262 ek_write_hex(field_info *fi, write_json_data *pdata)
1264 if (fi->hfinfo->bitmask!=0) {
1265 switch (fi->value.ftype->ftype) {
1270 fprintf(pdata->fh, "%X", (guint) fvalue_get_sinteger(&fi->value));
1276 fprintf(pdata->fh, "%X", fvalue_get_uinteger(&fi->value));
1282 fprintf(pdata->fh, "%" G_GINT64_MODIFIER "X", fvalue_get_sinteger64(&fi->value));
1289 fprintf(pdata->fh, "%" G_GINT64_MODIFIER "X", fvalue_get_uinteger64(&fi->value));
1292 g_assert_not_reached();
1296 json_write_field_hex_value(pdata, fi);
1301 ek_write_field_value(field_info *fi, write_json_data *pdata)
1303 gchar label_str[ITEM_LABEL_LENGTH];
1304 char *dfilter_string;
1307 if (fi->hfinfo->id == hf_text_only && fi->rep) {
1308 print_escaped_json(pdata->fh, fi->rep->representation);
1311 /* show, value, and unmaskedvalue attributes */
1312 if (fi->hfinfo->type == FT_PROTOCOL) {
1314 print_escaped_json(pdata->fh, fi->rep->representation);
1317 proto_item_fill_label(fi, label_str);
1318 print_escaped_json(pdata->fh, label_str);
1321 else if (fi->hfinfo->type != FT_NONE) {
1322 dfilter_string = fvalue_to_string_repr(NULL, &fi->value, FTREPR_DISPLAY, fi->hfinfo->display);
1323 if (dfilter_string != NULL) {
1324 print_escaped_json(pdata->fh, dfilter_string);
1326 wmem_free(NULL, dfilter_string);
1332 ek_write_attr_hex(GSList *attr_instances, write_json_data *pdata)
1334 GSList *current_node = attr_instances;
1335 proto_node *pnode = (proto_node *) current_node->data;
1336 field_info *fi = NULL;
1339 fputs("\"", pdata->fh);
1340 ek_write_name(pnode, pdata);
1341 fputs("_raw\": ", pdata->fh);
1343 if (g_slist_length(attr_instances) > 1) {
1344 fputs("[", pdata->fh);
1348 while (current_node != NULL) {
1349 pnode = (proto_node *) current_node->data;
1350 fi = PNODE_FINFO(pnode);
1352 fputs("\"", pdata->fh);
1353 ek_write_hex(fi, pdata);
1354 fputs("\"", pdata->fh);
1356 current_node = current_node->next;
1357 if (current_node != NULL) {
1358 fputs(",", pdata->fh);
1362 if (g_slist_length(attr_instances) > 1) {
1363 fputs("]", pdata->fh);
1368 ek_write_attr(GSList *attr_instances, write_json_data *pdata)
1370 GSList *current_node = attr_instances;
1371 proto_node *pnode = (proto_node *) current_node->data;
1372 field_info *fi = PNODE_FINFO(pnode);
1375 if (pdata->print_hex && fi && fi->length > 0 && fi->hfinfo->id != hf_text_only) {
1376 ek_write_attr_hex(attr_instances, pdata);
1378 fputs(",", pdata->fh);
1382 fputs("\"", pdata->fh);
1383 ek_write_name(pnode, pdata);
1384 fputs("\": ", pdata->fh);
1386 if (g_slist_length(attr_instances) > 1) {
1387 fputs("[", pdata->fh);
1390 while (current_node != NULL) {
1391 pnode = (proto_node *) current_node->data;
1392 fi = PNODE_FINFO(pnode);
1395 if (fi->hfinfo->type != FT_PROTOCOL) {
1396 fputs("\"", pdata->fh);
1398 if (pdata->filter != NULL
1399 && !ek_check_protocolfilter(pdata->filter, fi->hfinfo->abbrev)) {
1401 /* print dummy field */
1402 fputs("\",\"filtered\": \"", pdata->fh);
1403 print_escaped_ek(pdata->fh, fi->hfinfo->abbrev);
1406 ek_write_field_value(fi, pdata);
1409 fputs("\"", pdata->fh);
1413 fputs("{", pdata->fh);
1415 if (pdata->filter != NULL) {
1416 if (ek_check_protocolfilter(pdata->filter, fi->hfinfo->abbrev)) {
1417 gchar **_filter = NULL;
1418 /* Remove protocol filter for children, if children should be included */
1419 if ((pdata->filter_flags&PF_INCLUDE_CHILDREN) == PF_INCLUDE_CHILDREN) {
1420 _filter = pdata->filter;
1421 pdata->filter = NULL;
1424 proto_tree_write_node_ek(pnode, pdata);
1426 /* Put protocol filter back */
1427 if ((pdata->filter_flags&PF_INCLUDE_CHILDREN) == PF_INCLUDE_CHILDREN) {
1428 pdata->filter = _filter;
1431 /* print dummy field */
1432 fputs("\"filtered\": \"", pdata->fh);
1433 print_escaped_ek(pdata->fh, fi->hfinfo->abbrev);
1434 fputs("\"", pdata->fh);
1438 proto_tree_write_node_ek(pnode, pdata);
1441 fputs("}", pdata->fh);
1444 current_node = current_node->next;
1445 if (current_node != NULL) {
1446 fputs(",", pdata->fh);
1450 if (g_slist_length(attr_instances) > 1) {
1451 fputs("]", pdata->fh);
1455 /* Write out a tree's data, and any child nodes, as JSON for EK */
1457 proto_tree_write_node_ek(proto_node *node, write_json_data *pdata)
1459 GSList *attr_list = NULL;
1460 GHashTable *attr_table = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, NULL);
1462 ek_fill_attr(node, &attr_list, attr_table, pdata);
1464 g_hash_table_destroy(attr_table);
1467 GSList *current_attr = g_slist_reverse(attr_list);
1468 while (current_attr != NULL) {
1469 GSList *attr_instances = (GSList *) current_attr->data;
1471 ek_write_attr(attr_instances, pdata);
1473 current_attr = current_attr->next;
1474 if (current_attr != NULL) {
1475 fputs(",", pdata->fh);
1479 g_slist_free_full(attr_list, (GDestroyNotify) g_slist_free);
1482 /* Print info for a 'geninfo' pseudo-protocol. This is required by
1483 * the PDML spec. The information is contained in Wireshark's 'frame' protocol,
1484 * but we produce a 'geninfo' protocol in the PDML to conform to spec.
1485 * The 'frame' protocol follows the 'geninfo' protocol in the PDML. */
1487 print_pdml_geninfo(epan_dissect_t *edt, FILE *fh)
1489 guint32 num, len, caplen;
1490 GPtrArray *finfo_array;
1491 field_info *frame_finfo;
1494 /* Get frame protocol's finfo. */
1495 finfo_array = proto_find_first_finfo(edt->tree, proto_frame);
1496 if (g_ptr_array_len(finfo_array) < 1) {
1499 frame_finfo = (field_info *)finfo_array->pdata[0];
1500 g_ptr_array_free(finfo_array, TRUE);
1502 /* frame.number, packet_info.num */
1505 /* frame.frame_len, packet_info.frame_data->pkt_len */
1506 len = edt->pi.fd->pkt_len;
1508 /* frame.cap_len --> packet_info.frame_data->cap_len */
1509 caplen = edt->pi.fd->cap_len;
1511 /* Print geninfo start */
1513 " <proto name=\"geninfo\" pos=\"0\" showname=\"General information\" size=\"%d\">\n",
1514 frame_finfo->length);
1516 /* Print geninfo.num */
1518 " <field name=\"num\" pos=\"0\" show=\"%u\" showname=\"Number\" value=\"%x\" size=\"%d\"/>\n",
1519 num, num, frame_finfo->length);
1521 /* Print geninfo.len */
1523 " <field name=\"len\" pos=\"0\" show=\"%u\" showname=\"Frame Length\" value=\"%x\" size=\"%d\"/>\n",
1524 len, len, frame_finfo->length);
1526 /* Print geninfo.caplen */
1528 " <field name=\"caplen\" pos=\"0\" show=\"%u\" showname=\"Captured Length\" value=\"%x\" size=\"%d\"/>\n",
1529 caplen, caplen, frame_finfo->length);
1531 tmp = abs_time_to_str(NULL, &edt->pi.abs_ts, ABSOLUTE_TIME_LOCAL, TRUE);
1533 /* Print geninfo.timestamp */
1535 " <field name=\"timestamp\" pos=\"0\" show=\"%s\" showname=\"Captured Time\" value=\"%d.%09d\" size=\"%d\"/>\n",
1536 tmp, (int)edt->pi.abs_ts.secs, edt->pi.abs_ts.nsecs, frame_finfo->length);
1538 wmem_free(NULL, tmp);
1540 /* Print geninfo end */
1546 write_pdml_finale(FILE *fh)
1548 fputs("</pdml>\n", fh);
1554 write_psml_preamble(column_info *cinfo, FILE *fh)
1558 fprintf(fh, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
1559 fprintf(fh, "<psml version=\"" PSML_VERSION "\" creator=\"%s/%s\">\n", PACKAGE, VERSION);
1560 fprintf(fh, "<structure>\n");
1562 for (i = 0; i < cinfo->num_cols; i++) {
1563 if (!get_column_visible(i)) continue;
1564 fprintf(fh, "<section>");
1565 print_escaped_xml(fh, cinfo->columns[i].col_title);
1566 fprintf(fh, "</section>\n");
1569 fprintf(fh, "</structure>\n\n");
1573 write_psml_columns(epan_dissect_t *edt, FILE *fh, gboolean use_color)
1576 const color_filter_t *cfp = edt->pi.fd->color_filter;
1578 if (use_color && (cfp != NULL)) {
1579 fprintf(fh, "<packet foreground='#%06x' background='#%06x'>\n",
1580 color_t_to_rgb(&cfp->fg_color),
1581 color_t_to_rgb(&cfp->bg_color));
1584 fprintf(fh, "<packet>\n");
1587 for (i = 0; i < edt->pi.cinfo->num_cols; i++) {
1588 if (!get_column_visible(i)) continue;
1589 fprintf(fh, "<section>");
1590 print_escaped_xml(fh, edt->pi.cinfo->columns[i].col_data);
1591 fprintf(fh, "</section>\n");
1594 fprintf(fh, "</packet>\n\n");
1598 write_psml_finale(FILE *fh)
1600 fputs("</psml>\n", fh);
1603 static gchar *csv_massage_str(const gchar *source, const gchar *exceptions)
1608 /* In general, our output for any field can contain Unicode characters,
1609 so g_strescape (which escapes any non-ASCII) is the wrong thing to do.
1610 Unfortunately glib doesn't appear to provide g_unicode_strescape()... */
1611 csv_str = g_strescape(source, exceptions);
1613 /* Locate the UTF-8 right arrow character and replace it by an ASCII equivalent */
1614 while ( (tmp_str = strstr(tmp_str, UTF8_RIGHTWARDS_ARROW)) != NULL ) {
1620 while ( (tmp_str = strstr(tmp_str, "\\\"")) != NULL )
1625 static void csv_write_str(const char *str, char sep, FILE *fh)
1629 /* Do not escape the UTF-8 right arrow character */
1630 csv_str = csv_massage_str(str, UTF8_RIGHTWARDS_ARROW);
1631 fprintf(fh, "\"%s\"%c", csv_str, sep);
1636 write_csv_column_titles(column_info *cinfo, FILE *fh)
1640 for (i = 0; i < cinfo->num_cols - 1; i++) {
1641 if (!get_column_visible(i)) continue;
1642 csv_write_str(cinfo->columns[i].col_title, ',', fh);
1644 csv_write_str(cinfo->columns[i].col_title, '\n', fh);
1648 write_csv_columns(epan_dissect_t *edt, FILE *fh)
1652 for (i = 0; i < edt->pi.cinfo->num_cols - 1; i++) {
1653 if (!get_column_visible(i)) continue;
1654 csv_write_str(edt->pi.cinfo->columns[i].col_data, ',', fh);
1656 csv_write_str(edt->pi.cinfo->columns[i].col_data, '\n', fh);
1660 write_carrays_hex_data(guint32 num, FILE *fh, epan_dissect_t *edt)
1662 guint32 i = 0, src_num = 0;
1669 struct data_source *src;
1671 for (src_le = edt->pi.data_src; src_le != NULL; src_le = src_le->next) {
1672 memset(ascii, 0, sizeof(ascii));
1673 src = (struct data_source *)src_le->data;
1674 tvb = get_data_source_tvb(src);
1675 length = tvb_captured_length(tvb);
1679 cp = tvb_get_ptr(tvb, 0, length);
1681 name = get_data_source_name(src);
1683 fprintf(fh, "/* %s */\n", name);
1684 wmem_free(NULL, name);
1687 fprintf(fh, "static const unsigned char pkt%u_%u[%u] = {\n",
1688 num, src_num, length);
1690 fprintf(fh, "static const unsigned char pkt%u[%u] = {\n",
1695 for (i = 0; i < length; i++) {
1696 fprintf(fh, "0x%02x", *(cp + i));
1697 ascii[i % 8] = g_ascii_isprint(*(cp + i)) ? *(cp + i) : '.';
1699 if (i == (length - 1)) {
1704 for ( j = 0; j < 8 - rem; j++ )
1707 fprintf(fh, " /* %s */\n};\n\n", ascii);
1711 if (!((i + 1) % 8)) {
1712 fprintf(fh, ", /* %s */\n", ascii);
1713 memset(ascii, 0, sizeof(ascii));
1723 * Find the data source for a specified field, and return a pointer
1724 * to the data in it. Returns NULL if the data is out of bounds.
1726 /* XXX: What am I missing ?
1727 * Why bother searching for fi->ds_tvb for the matching tvb
1728 * in the data_source list ?
1729 * IOW: Why not just use fi->ds_tvb for the arg to tvb_get_ptr() ?
1732 static const guint8 *
1733 get_field_data(GSList *src_list, field_info *fi)
1737 gint length, tvbuff_length;
1738 struct data_source *src;
1740 for (src_le = src_list; src_le != NULL; src_le = src_le->next) {
1741 src = (struct data_source *)src_le->data;
1742 src_tvb = get_data_source_tvb(src);
1743 if (fi->ds_tvb == src_tvb) {
1747 * XXX - a field can have a length that runs past
1748 * the end of the tvbuff. Ideally, that should
1749 * be fixed when adding an item to the protocol
1750 * tree, but checking the length when doing
1751 * that could be expensive. Until we fix that,
1752 * we'll do the check here.
1754 tvbuff_length = tvb_captured_length_remaining(src_tvb,
1756 if (tvbuff_length < 0) {
1759 length = fi->length;
1760 if (length > tvbuff_length)
1761 length = tvbuff_length;
1762 return tvb_get_ptr(src_tvb, fi->start, length);
1765 g_assert_not_reached();
1766 return NULL; /* not found */
1769 /* Print a string, escaping out certain characters that need to
1770 * escaped out for XML. */
1772 print_escaped_xml(FILE *fh, const char *unescaped_string)
1777 if (fh == NULL || unescaped_string == NULL) {
1781 for (p = unescaped_string; *p != '\0'; p++) {
1793 fputs(""", fh);
1796 fputs("'", fh);
1799 if (g_ascii_isprint(*p))
1802 g_snprintf(temp_str, sizeof(temp_str), "\\x%x", (guint8)*p);
1803 fputs(temp_str, fh);
1810 print_escaped_bare(FILE *fh, const char *unescaped_string, gboolean change_dot)
1815 if (fh == NULL || unescaped_string == NULL) {
1819 for (p = unescaped_string; *p != '\0'; p++) {
1852 if (g_ascii_isprint(*p))
1855 g_snprintf(temp_str, sizeof(temp_str), "\\u00%02x", (guint8)*p);
1856 fputs(temp_str, fh);
1862 /* Print a string, escaping out certain characters that need to
1863 * escaped out for JSON. */
1865 print_escaped_json(FILE *fh, const char *unescaped_string)
1867 print_escaped_bare(fh, unescaped_string, FALSE);
1870 /* Print a string, escaping out certain characters that need to
1871 * escaped out for Elasticsearch title. */
1873 print_escaped_ek(FILE *fh, const char *unescaped_string)
1875 print_escaped_bare(fh, unescaped_string, TRUE);
1879 pdml_write_field_hex_value(write_pdml_data *pdata, field_info *fi)
1887 if (fi->length > tvb_captured_length_remaining(fi->ds_tvb, fi->start)) {
1888 fprintf(pdata->fh, "field length invalid!");
1892 /* Find the data for this field. */
1893 pd = get_field_data(pdata->src_list, fi);
1896 /* Print a simple hex dump */
1897 for (i = 0 ; i < fi->length; i++) {
1898 fprintf(pdata->fh, "%02x", pd[i]);
1904 json_write_field_hex_value(write_json_data *pdata, field_info *fi)
1912 if (fi->length > tvb_captured_length_remaining(fi->ds_tvb, fi->start)) {
1913 fprintf(pdata->fh, "field length invalid!");
1917 /* Find the data for this field. */
1918 pd = get_field_data(pdata->src_list, fi);
1921 /* Print a simple hex dump */
1922 for (i = 0 ; i < fi->length; i++) {
1923 fprintf(pdata->fh, "%02x", pd[i]);
1929 print_hex_data(print_stream_t *stream, epan_dissect_t *edt)
1931 gboolean multiple_sources;
1937 struct data_source *src;
1940 * Set "multiple_sources" iff this frame has more than one
1941 * data source; if it does, we need to print the name of
1942 * the data source before printing the data from the
1945 multiple_sources = (edt->pi.data_src->next != NULL);
1947 for (src_le = edt->pi.data_src; src_le != NULL;
1948 src_le = src_le->next) {
1949 src = (struct data_source *)src_le->data;
1950 tvb = get_data_source_tvb(src);
1951 if (multiple_sources) {
1952 name = get_data_source_name(src);
1953 line = g_strdup_printf("%s:", name);
1954 wmem_free(NULL, name);
1955 print_line(stream, 0, line);
1958 length = tvb_captured_length(tvb);
1961 cp = tvb_get_ptr(tvb, 0, length);
1962 if (!print_hex_data_buffer(stream, cp, length,
1963 (packet_char_enc)edt->pi.fd->flags.encoding))
1970 * This routine is based on a routine created by Dan Lasley
1971 * <DLASLEY@PROMUS.com>.
1973 * It was modified for Wireshark by Gilbert Ramirez and others.
1976 #define MAX_OFFSET_LEN 8 /* max length of hex offset of bytes */
1977 #define BYTES_PER_LINE 16 /* max byte values printed on a line */
1978 #define HEX_DUMP_LEN (BYTES_PER_LINE*3)
1979 /* max number of characters hex dump takes -
1980 2 digits plus trailing blank */
1981 #define DATA_DUMP_LEN (HEX_DUMP_LEN + 2 + BYTES_PER_LINE)
1982 /* number of characters those bytes take;
1983 3 characters per byte of hex dump,
1984 2 blanks separating hex from ASCII,
1985 1 character per byte of ASCII dump */
1986 #define MAX_LINE_LEN (MAX_OFFSET_LEN + 2 + DATA_DUMP_LEN)
1987 /* number of characters per line;
1988 offset, 2 blanks separating offset
1989 from data dump, data dump */
1992 print_hex_data_buffer(print_stream_t *stream, const guchar *cp,
1993 guint length, packet_char_enc encoding)
1995 register unsigned int ad, i, j, k, l;
1997 gchar line[MAX_LINE_LEN + 1];
1998 unsigned int use_digits;
2000 static gchar binhex[16] = {
2001 '0', '1', '2', '3', '4', '5', '6', '7',
2002 '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
2005 * How many of the leading digits of the offset will we supply?
2006 * We always supply at least 4 digits, but if the maximum offset
2007 * won't fit in 4 digits, we use as many digits as will be needed.
2009 if (((length - 1) & 0xF0000000) != 0)
2010 use_digits = 8; /* need all 8 digits */
2011 else if (((length - 1) & 0x0F000000) != 0)
2012 use_digits = 7; /* need 7 digits */
2013 else if (((length - 1) & 0x00F00000) != 0)
2014 use_digits = 6; /* need 6 digits */
2015 else if (((length - 1) & 0x000F0000) != 0)
2016 use_digits = 5; /* need 5 digits */
2018 use_digits = 4; /* we'll supply 4 digits */
2024 while (i < length) {
2025 if ((i & 15) == 0) {
2027 * Start of a new line.
2033 c = (ad >> (l*4)) & 0xF;
2034 line[j++] = binhex[c];
2038 memset(line+j, ' ', DATA_DUMP_LEN);
2041 * Offset in line of ASCII dump.
2043 k = j + HEX_DUMP_LEN + 2;
2046 line[j++] = binhex[c>>4];
2047 line[j++] = binhex[c&0xf];
2049 if (encoding == PACKET_CHAR_ENC_CHAR_EBCDIC) {
2050 c = EBCDIC_to_ASCII1(c);
2052 line[k++] = ((c >= ' ') && (c < 0x7f)) ? c : '.';
2054 if (((i & 15) == 0) || (i == length)) {
2056 * We'll be starting a new line, or
2057 * we're finished printing this buffer;
2058 * dump out the line we've constructed,
2059 * and advance the offset.
2062 if (!print_line(stream, 0, line))
2070 gsize output_fields_num_fields(output_fields_t* fields)
2074 if (NULL == fields->fields) {
2077 return fields->fields->len;
2081 void output_fields_free(output_fields_t* fields)
2085 if (NULL != fields->fields) {
2088 if (NULL != fields->field_indicies) {
2089 /* Keys are stored in fields->fields, values are
2092 g_hash_table_destroy(fields->field_indicies);
2095 if (NULL != fields->field_values) {
2096 g_free(fields->field_values);
2099 for(i = 0; i < fields->fields->len; ++i) {
2100 gchar* field = (gchar *)g_ptr_array_index(fields->fields,i);
2103 g_ptr_array_free(fields->fields, TRUE);
2109 #define COLUMN_FIELD_FILTER "_ws.col."
2111 void output_fields_add(output_fields_t *fields, const gchar *field)
2119 if (NULL == fields->fields) {
2120 fields->fields = g_ptr_array_new();
2123 field_copy = g_strdup(field);
2125 g_ptr_array_add(fields->fields, field_copy);
2127 /* See if we have a column as a field entry */
2128 if (!strncmp(field, COLUMN_FIELD_FILTER, strlen(COLUMN_FIELD_FILTER)))
2129 fields->includes_col_fields = TRUE;
2134 output_field_check(void *data, void *user_data)
2136 gchar *field = (gchar *)data;
2137 GSList **invalid_fields = (GSList **)user_data;
2139 if (!strncmp(field, COLUMN_FIELD_FILTER, strlen(COLUMN_FIELD_FILTER)))
2142 if (!proto_registrar_get_byname(field)) {
2143 *invalid_fields = g_slist_prepend(*invalid_fields, field);
2149 output_fields_valid(output_fields_t *fields)
2151 GSList *invalid_fields = NULL;
2152 if (fields->fields == NULL) {
2156 g_ptr_array_foreach(fields->fields, output_field_check, &invalid_fields);
2158 return invalid_fields;
2161 gboolean output_fields_set_option(output_fields_t *info, gchar *option)
2163 const gchar *option_name;
2164 const gchar *option_value;
2169 if ('\0' == *option) {
2170 return FALSE; /* this happens if we're called from tshark -E '' */
2172 option_name = strtok(option, "=");
2176 option_value = option + strlen(option_name) + 1;
2177 if (*option_value == '\0') {
2181 if (0 == strcmp(option_name, "header")) {
2182 switch (*option_value) {
2184 info->print_header = FALSE;
2187 info->print_header = TRUE;
2194 else if (0 == strcmp(option_name, "separator")) {
2195 switch (*option_value) {
2197 switch (*++option_value) {
2199 info->separator = '\t';
2202 info->separator = ' ';
2205 info->separator = '\\';
2209 info->separator = *option_value;
2214 else if (0 == strcmp(option_name, "occurrence")) {
2215 switch (*option_value) {
2219 info->occurrence = *option_value;
2226 else if (0 == strcmp(option_name, "aggregator")) {
2227 switch (*option_value) {
2229 switch (*++option_value) {
2231 info->aggregator = ' ';
2234 info->aggregator = '\\';
2238 info->aggregator = *option_value;
2243 else if (0 == strcmp(option_name, "quote")) {
2244 switch (*option_value) {
2260 else if (0 == strcmp(option_name, "bom")) {
2261 switch (*option_value) {
2263 info->print_bom = FALSE;
2266 info->print_bom = TRUE;
2277 void output_fields_list_options(FILE *fh)
2279 fprintf(fh, "TShark: The available options for field output \"E\" are:\n");
2280 fputs("bom=y|n Prepend output with the UTF-8 BOM (def: N: no)\n", fh);
2281 fputs("header=y|n Print field abbreviations as first line of output (def: N: no)\n", fh);
2282 fputs("separator=/t|/s|<character> Set the separator to use;\n \"/t\" = tab, \"/s\" = space (def: /t: tab)\n", fh);
2283 fputs("occurrence=f|l|a Select the occurrence of a field to use;\n \"f\" = first, \"l\" = last, \"a\" = all (def: a: all)\n", fh);
2284 fputs("aggregator=,|/s|<character> Set the aggregator to use;\n \",\" = comma, \"/s\" = space (def: ,: comma)\n", fh);
2285 fputs("quote=d|s|n Print either d: double-quotes, s: single quotes or \n n: no quotes around field values (def: n: none)\n", fh);
2288 gboolean output_fields_has_cols(output_fields_t* fields)
2291 return fields->includes_col_fields;
2294 void write_fields_preamble(output_fields_t* fields, FILE *fh)
2300 g_assert(fields->fields);
2302 if (fields->print_bom) {
2303 fputs(UTF8_BOM, fh);
2307 if (!fields->print_header) {
2311 for(i = 0; i < fields->fields->len; ++i) {
2312 const gchar* field = (const gchar *)g_ptr_array_index(fields->fields,i);
2314 fputc(fields->separator, fh);
2321 static void format_field_values(output_fields_t* fields, gpointer field_index, gchar* value)
2329 /* Unwrap change made to disambiguiate zero / null */
2330 indx = GPOINTER_TO_UINT(field_index) - 1;
2332 if (fields->field_values[indx] == NULL) {
2333 fields->field_values[indx] = g_ptr_array_new();
2336 /* Essentially: fieldvalues[indx] is a 'GPtrArray *' with each array entry */
2337 /* pointing to a string which is (part of) the final output string. */
2339 fv_p = fields->field_values[indx];
2341 switch (fields->occurrence) {
2343 /* print the value of only the first occurrence of the field */
2344 if (g_ptr_array_len(fv_p) != 0) {
2346 * This isn't the first occurrence, so the value won't be used;
2354 /* print the value of only the last occurrence of the field */
2355 if (g_ptr_array_len(fv_p) != 0) {
2357 * This isn't the first occurrence, so there's already a
2358 * value in the array, which won't be used; free the
2359 * first (only) element in the array, and then remove
2360 * it - this value will replace it.
2362 g_free(g_ptr_array_index(fv_p, 0));
2363 g_ptr_array_set_size(fv_p, 0);
2367 /* print the value of all accurrences of the field */
2368 if (g_ptr_array_len(fv_p) != 0) {
2370 * This isn't the first occurrence. so add the "aggregator"
2371 * character as a separator between the previous element
2374 g_ptr_array_add(fv_p, (gpointer)g_strdup_printf("%c", fields->aggregator));
2378 g_assert_not_reached();
2382 g_ptr_array_add(fv_p, (gpointer)value);
2385 static void proto_tree_get_node_field_values(proto_node *node, gpointer data)
2387 write_field_data_t *call_data;
2389 gpointer field_index;
2391 call_data = (write_field_data_t *)data;
2392 fi = PNODE_FINFO(node);
2394 /* dissection with an invisible proto tree? */
2397 field_index = g_hash_table_lookup(call_data->fields->field_indicies, fi->hfinfo->abbrev);
2398 if (NULL != field_index) {
2399 format_field_values(call_data->fields, field_index,
2400 get_node_field_value(fi, call_data->edt) /* g_ alloc'd string */
2405 if (node->first_child != NULL) {
2406 proto_tree_children_foreach(node, proto_tree_get_node_field_values,
2411 static void write_specified_fields(fields_format format, output_fields_t *fields, epan_dissect_t *edt, column_info *cinfo, FILE *fh)
2414 gboolean first = TRUE;
2417 gpointer field_index;
2419 write_field_data_t data;
2422 g_assert(fields->fields);
2426 data.fields = fields;
2429 if (NULL == fields->field_indicies) {
2430 /* Prepare a lookup table from string abbreviation for field to its index. */
2431 fields->field_indicies = g_hash_table_new(g_str_hash, g_str_equal);
2434 while (i < fields->fields->len) {
2435 gchar *field = (gchar *)g_ptr_array_index(fields->fields, i);
2436 /* Store field indicies +1 so that zero is not a valid value,
2437 * and can be distinguished from NULL as a pointer.
2440 g_hash_table_insert(fields->field_indicies, field, GUINT_TO_POINTER(i));
2444 /* Array buffer to store values for this packet */
2445 /* Allocate an array for the 'GPtrarray *' the first time */
2446 /* ths function is invoked for a file; */
2447 /* Any and all 'GPtrArray *' are freed (after use) each */
2448 /* time (each packet) this function is invoked for a flle. */
2449 /* XXX: ToDo: use packet-scope'd memory & (if/when implemented) wmem ptr_array */
2450 if (NULL == fields->field_values)
2451 fields->field_values = g_new0(GPtrArray*, fields->fields->len); /* free'd in output_fields_free() */
2453 proto_tree_children_foreach(edt->tree, proto_tree_get_node_field_values,
2456 /* Add columns to fields */
2457 if (fields->includes_col_fields) {
2458 for (col = 0; col < cinfo->num_cols; col++) {
2459 if (!get_column_visible(col)) continue;
2460 /* Prepend COLUMN_FIELD_FILTER as the field name */
2461 col_name = g_strdup_printf("%s%s", COLUMN_FIELD_FILTER, cinfo->columns[col].col_title);
2462 field_index = g_hash_table_lookup(fields->field_indicies, col_name);
2465 if (NULL != field_index) {
2466 format_field_values(fields, field_index, g_strdup(cinfo->columns[col].col_data));
2473 for(i = 0; i < fields->fields->len; ++i) {
2475 fputc(fields->separator, fh);
2477 if (NULL != fields->field_values[i]) {
2481 fv_p = fields->field_values[i];
2482 if (fields->quote != '\0') {
2483 fputc(fields->quote, fh);
2486 /* Output the array of (partial) field values */
2487 for (j = 0; j < g_ptr_array_len(fv_p); j++ ) {
2488 str = (gchar *)g_ptr_array_index(fv_p, j);
2492 if (fields->quote != '\0') {
2493 fputc(fields->quote, fh);
2495 g_ptr_array_free(fv_p, TRUE); /* get ready for the next packet */
2496 fields->field_values[i] = NULL;
2501 for(i = 0; i < fields->fields->len; ++i) {
2502 gchar *field = (gchar *)g_ptr_array_index(fields->fields, i);
2504 if (NULL != fields->field_values[i]) {
2508 fv_p = fields->field_values[i];
2510 /* Output the array of (partial) field values */
2511 for (j = 0; j < (g_ptr_array_len(fv_p)); j+=2 ) {
2512 str = (gchar *)g_ptr_array_index(fv_p, j);
2514 fprintf(fh, " <field name=\"%s\" value=", field);
2516 print_escaped_xml(fh, str);
2517 fputs("\"/>\n", fh);
2520 g_ptr_array_free(fv_p, TRUE); /* get ready for the next packet */
2521 fields->field_values[i] = NULL;
2527 for(i = 0; i < fields->fields->len; ++i) {
2528 gchar *field = (gchar *)g_ptr_array_index(fields->fields, i);
2530 if (NULL != fields->field_values[i]) {
2534 fv_p = fields->field_values[i];
2536 /* Output the array of (partial) field values */
2537 for (j = 0; j < (g_ptr_array_len(fv_p)); j += 2) {
2538 str = (gchar *) g_ptr_array_index(fv_p, j);
2544 fprintf(fh, " \"%s\": [", field);
2547 print_escaped_json(fh, str);
2551 if (j + 2 < (g_ptr_array_len(fv_p))) {
2559 g_ptr_array_free(fv_p, TRUE); /* get ready for the next packet */
2560 fields->field_values[i] = NULL;
2568 for(i = 0; i < fields->fields->len; ++i) {
2569 gchar *field = (gchar *)g_ptr_array_index(fields->fields, i);
2571 if (NULL != fields->field_values[i]) {
2575 fv_p = fields->field_values[i];
2577 /* Output the array of (partial) field values */
2578 for (j = 0; j < (g_ptr_array_len(fv_p)); j += 2) {
2579 str = (gchar *)g_ptr_array_index(fv_p, j);
2586 print_escaped_ek(fh, field);
2590 print_escaped_json(fh, str);
2594 if (j + 2 < (g_ptr_array_len(fv_p))) {
2604 g_ptr_array_free(fv_p, TRUE); /* get ready for the next packet */
2605 fields->field_values[i] = NULL;
2611 fprintf(stderr, "Unknown fields format %d\n", format);
2612 g_assert_not_reached();
2617 void write_fields_finale(output_fields_t* fields _U_ , FILE *fh _U_)
2622 /* Returns an g_malloced string */
2623 gchar* get_node_field_value(field_info* fi, epan_dissect_t* edt)
2625 if (fi->hfinfo->id == hf_text_only) {
2629 return g_strdup(fi->rep->representation);
2632 return get_field_hex_value(edt->pi.data_src, fi);
2635 else if (fi->hfinfo->id == proto_data) {
2636 /* Uninterpreted data, i.e., the "Data" protocol, is
2637 * printed as a field instead of a protocol. */
2638 return get_field_hex_value(edt->pi.data_src, fi);
2641 /* Normal protocols and fields */
2642 gchar *dfilter_string;
2644 switch (fi->hfinfo->type)
2647 /* Print out the full details for the protocol. */
2649 return g_strdup(fi->rep->representation);
2651 /* Just print out the protocol abbreviation */
2652 return g_strdup(fi->hfinfo->abbrev);
2655 /* Return "1" so that the presence of a field of type
2656 * FT_NONE can be checked when using -T fields */
2657 return g_strdup("1");
2659 dfilter_string = fvalue_to_string_repr(NULL, &fi->value, FTREPR_DISPLAY, fi->hfinfo->display);
2660 if (dfilter_string != NULL) {
2661 gchar* ret = g_strdup(dfilter_string);
2662 wmem_free(NULL, dfilter_string);
2665 return get_field_hex_value(edt->pi.data_src, fi);
2672 get_field_hex_value(GSList *src_list, field_info *fi)
2679 if (fi->length > tvb_captured_length_remaining(fi->ds_tvb, fi->start)) {
2680 return g_strdup("field length invalid!");
2683 /* Find the data for this field. */
2684 pd = get_field_data(src_list, fi);
2691 const int chars_per_byte = 2;
2693 len = chars_per_byte * fi->length;
2694 buffer = (gchar *)g_malloc(sizeof(gchar)*(len + 1));
2695 buffer[len] = '\0'; /* Ensure NULL termination in bad cases */
2697 /* Print a simple hex dump */
2698 for (i = 0 ; i < fi->length; i++) {
2699 g_snprintf(p, chars_per_byte+1, "%02x", pd[i]);
2700 p += chars_per_byte;
2708 output_fields_t* output_fields_new(void)
2710 output_fields_t* fields = g_new(output_fields_t, 1);
2711 fields->print_bom = FALSE;
2712 fields->print_header = FALSE;
2713 fields->separator = '\t';
2714 fields->occurrence = 'a';
2715 fields->aggregator = ',';
2716 fields->fields = NULL; /*Do lazy initialisation */
2717 fields->field_indicies = NULL;
2718 fields->field_values = NULL;
2719 fields->quote ='\0';
2720 fields->includes_col_fields = FALSE;
2725 * Editor modelines - http://www.wireshark.org/tools/modelines.html
2730 * indent-tabs-mode: nil
2733 * vi: set shiftwidth=4 tabstop=8 expandtab:
2734 * :indentSize=4:tabSize=8:noTabs=true: