2 * Routines for printing packet analysis trees.
6 * Gilbert Ramirez <gram@alumni.rice.edu>
8 * Wireshark - Network traffic analyzer
9 * By Gerald Combs <gerald@wireshark.org>
10 * Copyright 1998 Gerald Combs
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation; either version 2
15 * of the License, or (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
34 #include <epan/epan.h>
35 #include <epan/epan_dissect.h>
36 #include <epan/tvbuff.h>
37 #include <epan/packet.h>
38 #include <epan/emem.h>
40 #include "packet-range.h"
43 #include "version_info.h"
44 #include <wsutil/file_util.h>
45 #include <epan/charsets.h>
46 #include <epan/dissectors/packet-data.h>
47 #include <epan/dissectors/packet-frame.h>
49 #define PDML_VERSION "0"
50 #define PSML_VERSION "0"
54 print_stream_t *stream;
57 print_dissections_e print_dissections;
58 gboolean print_hex_for_data;
59 packet_char_enc encoding;
71 output_fields_t* fields;
75 struct _output_fields {
76 gboolean print_header;
80 GHashTable* field_indicies;
81 emem_strbuf_t** field_values;
85 static const 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 const guint8 *get_field_data(GSList *src_list, field_info *fi);
89 static void write_pdml_field_hex_value(write_pdml_data *pdata, field_info *fi);
90 static gboolean print_hex_data_buffer(print_stream_t *stream, const guchar *cp,
91 guint length, packet_char_enc encoding);
92 static void ps_clean_string(unsigned char *out, const unsigned char *in,
94 static void print_escaped_xml(FILE *fh, const char *unescaped_string);
96 static void print_pdml_geninfo(proto_tree *tree, FILE *fh);
98 static void proto_tree_get_node_field_values(proto_node *node, gpointer data);
101 open_print_dest(int to_file, const char *dest)
105 /* Open the file or command for output */
107 fh = ws_fopen(dest, "w");
109 fh = popen(dest, "w");
115 close_print_dest(int to_file, FILE *fh)
117 /* Close the file or command */
119 return (fclose(fh) == 0);
121 return (pclose(fh) == 0);
124 #define MAX_PS_LINE_LENGTH 256
127 proto_tree_print(print_args_t *print_args, epan_dissect_t *edt,
128 print_stream_t *stream)
132 /* Create the output */
134 data.stream = stream;
136 data.src_list = edt->pi.data_src;
137 data.encoding = edt->pi.fd->flags.encoding;
138 data.print_dissections = print_args->print_dissections;
139 /* If we're printing the entire packet in hex, don't
140 print uninterpreted data fields in hex as well. */
141 data.print_hex_for_data = !print_args->print_hex;
144 proto_tree_children_foreach(edt->tree, proto_tree_print_node, &data);
148 #define MAX_INDENT 160
150 /* Print a tree's data, and any child nodes. */
152 void proto_tree_print_node(proto_node *node, gpointer data)
154 field_info *fi = PNODE_FINFO(node);
155 print_data *pdata = (print_data*) data;
157 gchar label_str[ITEM_LABEL_LENGTH];
160 g_assert(fi && "dissection with an invisible proto tree?");
162 /* Don't print invisible entries. */
163 if (PROTO_ITEM_IS_HIDDEN(node))
166 /* Give up if we've already gotten an error. */
170 /* was a free format label produced? */
172 label_ptr = fi->rep->representation;
174 else { /* no, make a generic label */
175 label_ptr = label_str;
176 proto_item_fill_label(fi, label_str);
179 if (PROTO_ITEM_IS_GENERATED(node)) {
180 label_ptr = g_strdup_printf("[%s]", label_ptr);
183 if (!print_line(pdata->stream, pdata->level, label_ptr)) {
184 pdata->success = FALSE;
188 if (PROTO_ITEM_IS_GENERATED(node)) {
192 /* If it's uninterpreted data, dump it (unless our caller will
193 be printing the entire packet in hex). */
194 if (fi->hfinfo->id == proto_data && pdata->print_hex_for_data) {
196 * Find the data for this field.
198 pd = get_field_data(pdata->src_list, fi);
200 if (!print_hex_data_buffer(pdata->stream, pd,
201 fi->length, pdata->encoding)) {
202 pdata->success = FALSE;
208 /* If we're printing all levels, or if this node is one with a
209 subtree and its subtree is expanded, recurse into the subtree,
211 g_assert(fi->tree_type >= -1 && fi->tree_type < num_tree_types);
212 if (pdata->print_dissections == print_dissections_expanded ||
213 (pdata->print_dissections == print_dissections_as_displayed &&
214 fi->tree_type >= 0 && tree_is_expanded[fi->tree_type])) {
215 if (node->first_child != NULL) {
217 proto_tree_children_foreach(node,
218 proto_tree_print_node, pdata);
227 write_pdml_preamble(FILE *fh)
229 fputs("<?xml version=\"1.0\"?>\n", fh);
230 fputs("<pdml version=\"" PDML_VERSION "\" ", fh);
231 fprintf(fh, "creator=\"%s/%s\">\n", PACKAGE, VERSION);
235 proto_tree_write_pdml(epan_dissect_t *edt, FILE *fh)
237 write_pdml_data data;
239 /* Create the output */
242 data.src_list = edt->pi.data_src;
245 /* We shouldn't be called with a NULL pointer here because we've
246 * created a visible protocol tree */
247 g_assert(data.src_list);
249 fprintf(fh, "<packet>\n");
251 /* Print a "geninfo" protocol as required by PDML */
252 print_pdml_geninfo(edt->tree, fh);
254 proto_tree_children_foreach(edt->tree, proto_tree_write_node_pdml,
257 fprintf(fh, "</packet>\n\n");
260 /* Write out a tree's data, and any child nodes, as PDML */
262 proto_tree_write_node_pdml(proto_node *node, gpointer data)
264 field_info *fi = PNODE_FINFO(node);
265 write_pdml_data *pdata = (write_pdml_data*) data;
266 const gchar *label_ptr;
267 gchar label_str[ITEM_LABEL_LENGTH];
268 char *dfilter_string;
271 gboolean wrap_in_fake_protocol;
273 g_assert(fi && "dissection with an invisible proto tree?");
275 /* Will wrap up top-level field items inside a fake protocol wrapper to
276 preserve the PDML schema */
277 wrap_in_fake_protocol =
278 (((fi->hfinfo->type != FT_PROTOCOL) ||
279 (fi->hfinfo->id == proto_data)) &&
280 (pdata->level == 0));
282 /* Indent to the correct level */
283 for (i = -1; i < pdata->level; i++) {
284 fputs(" ", pdata->fh);
287 if (wrap_in_fake_protocol) {
288 /* Open fake protocol wrapper */
289 fputs("<proto name=\"fake-field-wrapper\">\n", pdata->fh);
291 /* Indent to increased level before writint out field */
293 for (i = -1; i < pdata->level; i++) {
294 fputs(" ", pdata->fh);
298 /* Text label. It's printed as a field with no name. */
299 if (fi->hfinfo->id == hf_text_only) {
302 label_ptr = fi->rep->representation;
308 /* Show empty name since it is a required field */
309 fputs("<field name=\"", pdata->fh);
310 fputs("\" show=\"", pdata->fh);
311 print_escaped_xml(pdata->fh, label_ptr);
313 fprintf(pdata->fh, "\" size=\"%d", fi->length);
314 fprintf(pdata->fh, "\" pos=\"%d", fi->start);
316 fputs("\" value=\"", pdata->fh);
317 write_pdml_field_hex_value(pdata, fi);
319 if (node->first_child != NULL) {
320 fputs("\">\n", pdata->fh);
323 fputs("\"/>\n", pdata->fh);
327 /* Uninterpreted data, i.e., the "Data" protocol, is
328 * printed as a field instead of a protocol. */
329 else if (fi->hfinfo->id == proto_data) {
331 /* Write out field with data */
332 fputs("<field name=\"data\" value=\"", pdata->fh);
333 write_pdml_field_hex_value(pdata, fi);
334 fputs("\"/>\n", pdata->fh);
336 /* Normal protocols and fields */
338 if (fi->hfinfo->type == FT_PROTOCOL) {
339 fputs("<proto name=\"", pdata->fh);
342 fputs("<field name=\"", pdata->fh);
344 print_escaped_xml(pdata->fh, fi->hfinfo->abbrev);
348 * http://www.nbee.org/doku.php?id=netpdl:pdml_specification
350 * the show fields contains things in 'human readable' format
351 * showname: contains only the name of the field
352 * show: contains only the data of the field
353 * showdtl: contains additional details of the field data
354 * showmap: contains mappings of the field data (e.g. the hostname to an IP address)
356 * XXX - the showname shouldn't contain the field data itself
357 * (like it's contained in the fi->rep->representation).
358 * Unfortunately, we don't have the field data representation for
359 * all fields, so this isn't currently possible */
360 fputs("\" showname=\"", pdata->fh);
361 print_escaped_xml(pdata->fh, fi->hfinfo->name);
365 fputs("\" showname=\"", pdata->fh);
366 print_escaped_xml(pdata->fh, fi->rep->representation);
369 label_ptr = label_str;
370 proto_item_fill_label(fi, label_str);
371 fputs("\" showname=\"", pdata->fh);
372 print_escaped_xml(pdata->fh, label_ptr);
375 if (PROTO_ITEM_IS_HIDDEN(node))
376 fprintf(pdata->fh, "\" hide=\"yes");
378 fprintf(pdata->fh, "\" size=\"%d", fi->length);
379 fprintf(pdata->fh, "\" pos=\"%d", fi->start);
380 /* fprintf(pdata->fh, "\" id=\"%d", fi->hfinfo->id);*/
382 /* show, value, and unmaskedvalue attributes */
383 switch (fi->hfinfo->type)
388 fputs("\" show=\"\" value=\"", pdata->fh);
391 /* XXX - this is a hack until we can just call
392 * fvalue_to_string_repr() for *all* FT_* types. */
393 dfilter_string = proto_construct_match_selected_string(fi,
395 if (dfilter_string != NULL) {
396 chop_len = strlen(fi->hfinfo->abbrev) + 4; /* for " == " */
398 /* XXX - Remove double-quotes. Again, once we
399 * can call fvalue_to_string_repr(), we can
400 * ask it not to produce the version for
401 * display-filters, and thus, no
403 if (dfilter_string[strlen(dfilter_string)-1] == '"') {
404 dfilter_string[strlen(dfilter_string)-1] = '\0';
408 fputs("\" show=\"", pdata->fh);
409 print_escaped_xml(pdata->fh, &dfilter_string[chop_len]);
413 * XXX - should we omit "value" for any fields?
414 * What should we do for fields whose length is 0?
415 * They might come from a pseudo-header or from
416 * the capture header (e.g., time stamps), or
417 * they might be generated fields.
419 if (fi->length > 0) {
420 fputs("\" value=\"", pdata->fh);
422 if (fi->hfinfo->bitmask!=0) {
423 fprintf(pdata->fh, "%X", fvalue_get_uinteger(&fi->value));
424 fputs("\" unmaskedvalue=\"", pdata->fh);
425 write_pdml_field_hex_value(pdata, fi);
428 write_pdml_field_hex_value(pdata, fi);
433 if (node->first_child != NULL) {
434 fputs("\">\n", pdata->fh);
436 else if (fi->hfinfo->id == proto_data) {
437 fputs("\">\n", pdata->fh);
440 fputs("\"/>\n", pdata->fh);
444 /* We always print all levels for PDML. Recurse here. */
445 if (node->first_child != NULL) {
447 proto_tree_children_foreach(node,
448 proto_tree_write_node_pdml, pdata);
452 /* Take back the extra level we added for fake wrapper protocol */
453 if (wrap_in_fake_protocol) {
457 if (node->first_child != NULL) {
458 /* Indent to correct level */
459 for (i = -1; i < pdata->level; i++) {
460 fputs(" ", pdata->fh);
462 /* Close off current element */
463 if (fi->hfinfo->id != proto_data) { /* Data protocol uses simple tags */
464 if (fi->hfinfo->type == FT_PROTOCOL) {
465 fputs("</proto>\n", pdata->fh);
468 fputs("</field>\n", pdata->fh);
473 /* Close off fake wrapper protocol */
474 if (wrap_in_fake_protocol) {
475 fputs("</proto>\n", pdata->fh);
479 /* Print info for a 'geninfo' pseudo-protocol. This is required by
480 * the PDML spec. The information is contained in Wireshark's 'frame' protocol,
481 * but we produce a 'geninfo' protocol in the PDML to conform to spec.
482 * The 'frame' protocol follows the 'geninfo' protocol in the PDML. */
484 print_pdml_geninfo(proto_tree *tree, FILE *fh)
486 guint32 num, len, caplen;
488 GPtrArray *finfo_array;
489 field_info *frame_finfo;
491 /* Get frame protocol's finfo. */
492 finfo_array = proto_find_finfo(tree, proto_frame);
493 if (g_ptr_array_len(finfo_array) < 1) {
496 frame_finfo = (field_info *)finfo_array->pdata[0];
497 g_ptr_array_free(finfo_array, TRUE);
499 /* frame.number --> geninfo.num */
500 finfo_array = proto_find_finfo(tree, hf_frame_number);
501 if (g_ptr_array_len(finfo_array) < 1) {
504 num = fvalue_get_uinteger(&((field_info*)finfo_array->pdata[0])->value);
505 g_ptr_array_free(finfo_array, TRUE);
507 /* frame.frame_len --> geninfo.len */
508 finfo_array = proto_find_finfo(tree, hf_frame_len);
509 if (g_ptr_array_len(finfo_array) < 1) {
512 len = fvalue_get_uinteger(&((field_info*)finfo_array->pdata[0])->value);
513 g_ptr_array_free(finfo_array, TRUE);
515 /* frame.cap_len --> geninfo.caplen */
516 finfo_array = proto_find_finfo(tree, hf_frame_capture_len);
517 if (g_ptr_array_len(finfo_array) < 1) {
520 caplen = fvalue_get_uinteger(&((field_info*)finfo_array->pdata[0])->value);
521 g_ptr_array_free(finfo_array, TRUE);
523 /* frame.time --> geninfo.timestamp */
524 finfo_array = proto_find_finfo(tree, hf_frame_arrival_time);
525 if (g_ptr_array_len(finfo_array) < 1) {
528 timestamp = (nstime_t *)fvalue_get(&((field_info*)finfo_array->pdata[0])->value);
529 g_ptr_array_free(finfo_array, TRUE);
531 /* Print geninfo start */
533 " <proto name=\"geninfo\" pos=\"0\" showname=\"General information\" size=\"%u\">\n",
534 frame_finfo->length);
536 /* Print geninfo.num */
538 " <field name=\"num\" pos=\"0\" show=\"%u\" showname=\"Number\" value=\"%x\" size=\"%u\"/>\n",
539 num, num, frame_finfo->length);
541 /* Print geninfo.len */
543 " <field name=\"len\" pos=\"0\" show=\"%u\" showname=\"Frame Length\" value=\"%x\" size=\"%u\"/>\n",
544 len, len, frame_finfo->length);
546 /* Print geninfo.caplen */
548 " <field name=\"caplen\" pos=\"0\" show=\"%u\" showname=\"Captured Length\" value=\"%x\" size=\"%u\"/>\n",
549 caplen, caplen, frame_finfo->length);
551 /* Print geninfo.timestamp */
553 " <field name=\"timestamp\" pos=\"0\" show=\"%s\" showname=\"Captured Time\" value=\"%d.%09d\" size=\"%u\"/>\n",
554 abs_time_to_str(timestamp, ABSOLUTE_TIME_LOCAL, TRUE), (int) timestamp->secs, timestamp->nsecs, frame_finfo->length);
556 /* Print geninfo end */
562 write_pdml_finale(FILE *fh)
564 fputs("</pdml>\n", fh);
568 write_psml_preamble(FILE *fh)
570 fputs("<?xml version=\"1.0\"?>\n", fh);
571 fputs("<psml version=\"" PSML_VERSION "\" ", fh);
572 fprintf(fh, "creator=\"%s/%s\">\n", PACKAGE, VERSION);
576 proto_tree_write_psml(epan_dissect_t *edt, FILE *fh)
579 static gboolean structure_written = FALSE;
581 /* if this is the first packet, we have to create the PSML structure output */
582 if(!structure_written) {
583 fprintf(fh, "<structure>\n");
585 for(i=0; i < edt->pi.cinfo->num_cols; i++) {
586 fprintf(fh, "<section>");
587 print_escaped_xml(fh, edt->pi.cinfo->col_title[i]);
588 fprintf(fh, "</section>\n");
591 fprintf(fh, "</structure>\n\n");
593 structure_written = TRUE;
596 fprintf(fh, "<packet>\n");
598 for(i=0; i < edt->pi.cinfo->num_cols; i++) {
599 fprintf(fh, "<section>");
600 print_escaped_xml(fh, edt->pi.cinfo->col_data[i]);
601 fprintf(fh, "</section>\n");
604 fprintf(fh, "</packet>\n\n");
608 write_psml_finale(FILE *fh)
610 fputs("</psml>\n", fh);
614 write_csv_preamble(FILE *fh _U_)
620 proto_tree_write_csv(epan_dissect_t *edt, FILE *fh)
624 /* if this is the first packet, we have to write the CSV header */
625 if(edt->pi.fd->num == 1) {
626 for(i=0; i < edt->pi.cinfo->num_cols - 1; i++)
627 fprintf(fh, "\"%s\",", edt->pi.cinfo->col_title[i]);
629 fprintf(fh, "\"%s\"\n", edt->pi.cinfo->col_title[i]);
632 for(i=0; i < edt->pi.cinfo->num_cols - 1; i++)
633 fprintf(fh, "\"%s\",", edt->pi.cinfo->col_data[i]);
635 fprintf(fh, "\"%s\"\n", edt->pi.cinfo->col_data[i]);
639 write_csv_finale(FILE *fh _U_)
645 write_carrays_preamble(FILE *fh _U_)
651 proto_tree_write_carrays(const guint8 *pd, guint32 len, guint32 num, FILE *fh)
658 fprintf(fh, "char pkt%u[] = {\n", num);
660 for (i = 0; i < len; i++) {
662 fprintf(fh, "0x%02x", *(pd + i));
664 if (i == (len - 1)) {
665 fprintf(fh, " };\n\n");
669 if (!((i + 1) % 8)) {
678 write_carrays_finale(FILE *fh _U_)
684 * Find the data source for a specified field, and return a pointer
685 * to the data in it. Returns NULL if the data is out of bounds.
687 static const guint8 *
688 get_field_data(GSList *src_list, field_info *fi)
693 gint length, tvbuff_length;
695 for (src_le = src_list; src_le != NULL; src_le = src_le->next) {
696 src = (data_source *)src_le->data;
698 if (fi->ds_tvb == src_tvb) {
702 * XXX - a field can have a length that runs past
703 * the end of the tvbuff. Ideally, that should
704 * be fixed when adding an item to the protocol
705 * tree, but checking the length when doing
706 * that could be expensive. Until we fix that,
707 * we'll do the check here.
709 tvbuff_length = tvb_length_remaining(src_tvb,
711 if (tvbuff_length < 0) {
715 if (length > tvbuff_length)
716 length = tvbuff_length;
717 return tvb_get_ptr(src_tvb, fi->start, length);
720 g_assert_not_reached();
721 return NULL; /* not found */
724 /* Print a string, escaping out certain characters that need to
725 * escaped out for XML. */
727 print_escaped_xml(FILE *fh, const char *unescaped_string)
732 for (p = unescaped_string; *p != '\0'; p++) {
750 if (g_ascii_isprint(*p))
753 g_snprintf(temp_str, sizeof(temp_str), "\\x%x", (guint8)*p);
761 write_pdml_field_hex_value(write_pdml_data *pdata, field_info *fi)
769 if (fi->length > tvb_length_remaining(fi->ds_tvb, fi->start)) {
770 fprintf(pdata->fh, "field length invalid!");
774 /* Find the data for this field. */
775 pd = get_field_data(pdata->src_list, fi);
778 /* Print a simple hex dump */
779 for (i = 0 ; i < fi->length; i++) {
780 fprintf(pdata->fh, "%02x", pd[i]);
786 print_hex_data(print_stream_t *stream, epan_dissect_t *edt)
788 gboolean multiple_sources;
797 /* We shouldn't be called with a NULL pointer here because we've
798 * created a visible protocol tree */
799 g_assert(edt->pi.data_src);
802 * Set "multiple_sources" iff this frame has more than one
803 * data source; if it does, we need to print the name of
804 * the data source before printing the data from the
807 multiple_sources = (edt->pi.data_src->next != NULL);
809 for (src_le = edt->pi.data_src; src_le != NULL;
810 src_le = src_le->next) {
811 src = (data_source *)src_le->data;
813 if (multiple_sources) {
814 name = get_data_source_name(src);
815 print_line(stream, 0, "");
816 line = g_strdup_printf("%s:", name);
817 print_line(stream, 0, line);
820 length = tvb_length(tvb);
823 cp = tvb_get_ptr(tvb, 0, length);
824 if (!print_hex_data_buffer(stream, cp, length,
825 edt->pi.fd->flags.encoding))
832 * This routine is based on a routine created by Dan Lasley
833 * <DLASLEY@PROMUS.com>.
835 * It was modified for Wireshark by Gilbert Ramirez and others.
838 #define MAX_OFFSET_LEN 8 /* max length of hex offset of bytes */
839 #define BYTES_PER_LINE 16 /* max byte values printed on a line */
840 #define HEX_DUMP_LEN (BYTES_PER_LINE*3)
841 /* max number of characters hex dump takes -
842 2 digits plus trailing blank */
843 #define DATA_DUMP_LEN (HEX_DUMP_LEN + 2 + BYTES_PER_LINE)
844 /* number of characters those bytes take;
845 3 characters per byte of hex dump,
846 2 blanks separating hex from ASCII,
847 1 character per byte of ASCII dump */
848 #define MAX_LINE_LEN (MAX_OFFSET_LEN + 2 + DATA_DUMP_LEN)
849 /* number of characters per line;
850 offset, 2 blanks separating offset
851 from data dump, data dump */
854 print_hex_data_buffer(print_stream_t *stream, const guchar *cp,
855 guint length, packet_char_enc encoding)
857 register unsigned int ad, i, j, k, l;
859 guchar line[MAX_LINE_LEN + 1];
860 unsigned int use_digits;
861 static guchar binhex[16] = {
862 '0', '1', '2', '3', '4', '5', '6', '7',
863 '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
865 if (!print_line(stream, 0, ""))
869 * How many of the leading digits of the offset will we supply?
870 * We always supply at least 4 digits, but if the maximum offset
871 * won't fit in 4 digits, we use as many digits as will be needed.
873 if (((length - 1) & 0xF0000000) != 0)
874 use_digits = 8; /* need all 8 digits */
875 else if (((length - 1) & 0x0F000000) != 0)
876 use_digits = 7; /* need 7 digits */
877 else if (((length - 1) & 0x00F00000) != 0)
878 use_digits = 6; /* need 6 digits */
879 else if (((length - 1) & 0x000F0000) != 0)
880 use_digits = 5; /* need 5 digits */
882 use_digits = 4; /* we'll supply 4 digits */
891 * Start of a new line.
897 c = (ad >> (l*4)) & 0xF;
898 line[j++] = binhex[c];
902 memset(line+j, ' ', DATA_DUMP_LEN);
905 * Offset in line of ASCII dump.
907 k = j + HEX_DUMP_LEN + 2;
910 line[j++] = binhex[c>>4];
911 line[j++] = binhex[c&0xf];
913 if (encoding == PACKET_CHAR_ENC_CHAR_EBCDIC) {
914 c = EBCDIC_to_ASCII1(c);
916 line[k++] = c >= ' ' && c < 0x7f ? c : '.';
918 if ((i & 15) == 0 || i == length) {
920 * We'll be starting a new line, or
921 * we're finished printing this buffer;
922 * dump out the line we've constructed,
923 * and advance the offset.
926 if (!print_line(stream, 0, line))
935 void ps_clean_string(unsigned char *out, const unsigned char *in,
941 for (rd = 0, wr = 0 ; wr < outbuf_size; rd++, wr++ ) {
962 /* Some formats need stuff at the beginning of the output */
964 print_preamble(print_stream_t *self, gchar *filename)
966 return (self->ops->print_preamble)(self, filename);
970 print_line(print_stream_t *self, int indent, const char *line)
972 return (self->ops->print_line)(self, indent, line);
975 /* Insert bookmark */
977 print_bookmark(print_stream_t *self, const gchar *name, const gchar *title)
979 return (self->ops->print_bookmark)(self, name, title);
983 new_page(print_stream_t *self)
985 return (self->ops->new_page)(self);
988 /* Some formats need stuff at the end of the output */
990 print_finale(print_stream_t *self)
992 return (self->ops->print_finale)(self);
996 destroy_print_stream(print_stream_t *self)
998 return (self->ops->destroy)(self);
1007 print_preamble_text(print_stream_t *self _U_, gchar *filename _U_)
1010 return TRUE; /* always succeeds */
1014 print_line_text(print_stream_t *self, int indent, const char *line)
1016 output_text *output = (output_text *)self->data;
1017 char space[MAX_INDENT+1];
1021 /* Prepare the tabs for printing, depending on tree level */
1022 num_spaces = indent * 4;
1023 if (num_spaces > MAX_INDENT) {
1024 num_spaces = MAX_INDENT;
1026 for (i = 0; i < num_spaces; i++) {
1029 /* The string is NUL-terminated */
1030 space[num_spaces] = '\0';
1032 fputs(space, output->fh);
1033 fputs(line, output->fh);
1034 putc('\n', output->fh);
1035 return !ferror(output->fh);
1039 print_bookmark_text(print_stream_t *self _U_, const gchar *name _U_,
1040 const gchar *title _U_)
1047 new_page_text(print_stream_t *self)
1049 output_text *output = (output_text *)self->data;
1051 fputs("\f", output->fh);
1052 return !ferror(output->fh);
1056 print_finale_text(print_stream_t *self _U_)
1059 return TRUE; /* always succeeds */
1063 destroy_text(print_stream_t *self)
1065 output_text *output = (output_text *)self->data;
1068 ret = close_print_dest(output->to_file, output->fh);
1074 static const print_stream_ops_t print_text_ops = {
1075 print_preamble_text,
1077 print_bookmark_text,
1083 static print_stream_t *
1084 print_stream_text_alloc(int to_file, FILE *fh)
1086 print_stream_t *stream;
1087 output_text *output;
1089 output = (output_text *)g_malloc(sizeof *output);
1090 output->to_file = to_file;
1092 stream = (print_stream_t *)g_malloc(sizeof (print_stream_t));
1093 stream->ops = &print_text_ops;
1094 stream->data = output;
1100 print_stream_text_new(int to_file, const char *dest)
1104 fh = open_print_dest(to_file, dest);
1108 return print_stream_text_alloc(to_file, fh);
1112 print_stream_text_stdio_new(FILE *fh)
1114 return print_stream_text_alloc(TRUE, fh);
1123 print_preamble_ps(print_stream_t *self, gchar *filename)
1125 output_ps *output = (output_ps *)self->data;
1126 unsigned char psbuffer[MAX_PS_LINE_LENGTH]; /* static sized buffer! */
1128 print_ps_preamble(output->fh);
1130 fputs("%% Set the font to 8 point\n", output->fh);
1131 fputs("/Courier findfont 8 scalefont setfont\n", output->fh);
1132 fputs("\n", output->fh);
1133 fputs("%% the page title\n", output->fh);
1134 ps_clean_string(psbuffer, filename, MAX_PS_LINE_LENGTH);
1135 fprintf(output->fh, "/ws_pagetitle (%s - Wireshark " VERSION "%s) def\n", psbuffer, wireshark_svnversion);
1136 fputs("\n", output->fh);
1137 return !ferror(output->fh);
1141 print_line_ps(print_stream_t *self, int indent, const char *line)
1143 output_ps *output = (output_ps *)self->data;
1144 unsigned char psbuffer[MAX_PS_LINE_LENGTH]; /* static sized buffer! */
1146 ps_clean_string(psbuffer, line, MAX_PS_LINE_LENGTH);
1147 fprintf(output->fh, "%d (%s) putline\n", indent, psbuffer);
1148 return !ferror(output->fh);
1152 print_bookmark_ps(print_stream_t *self, const gchar *name, const gchar *title)
1154 output_ps *output = (output_ps *)self->data;
1155 unsigned char psbuffer[MAX_PS_LINE_LENGTH]; /* static sized buffer! */
1158 * See the Adobe "pdfmark reference":
1160 * http://partners.adobe.com/asn/acrobat/docs/pdfmark.pdf
1162 * The pdfmark stuff tells code that turns PostScript into PDF
1163 * things that it should do.
1165 * The /OUT stuff creates a bookmark that goes to the
1166 * destination with "name" as the name and "title" as the title.
1168 * The "/DEST" creates the destination.
1170 ps_clean_string(psbuffer, title, MAX_PS_LINE_LENGTH);
1171 fprintf(output->fh, "[/Dest /%s /Title (%s) /OUT pdfmark\n", name,
1173 fputs("[/View [/XYZ -4 currentpoint matrix currentmatrix matrix defaultmatrix\n",
1175 fputs("matrix invertmatrix matrix concatmatrix transform exch pop 20 add null]\n",
1177 fprintf(output->fh, "/Dest /%s /DEST pdfmark\n", name);
1178 return !ferror(output->fh);
1182 new_page_ps(print_stream_t *self)
1184 output_ps *output = (output_ps *)self->data;
1186 fputs("formfeed\n", output->fh);
1187 return !ferror(output->fh);
1191 print_finale_ps(print_stream_t *self)
1193 output_ps *output = (output_ps *)self->data;
1195 print_ps_finale(output->fh);
1196 return !ferror(output->fh);
1200 destroy_ps(print_stream_t *self)
1202 output_ps *output = (output_ps *)self->data;
1205 ret = close_print_dest(output->to_file, output->fh);
1211 static const print_stream_ops_t print_ps_ops = {
1220 static print_stream_t *
1221 print_stream_ps_alloc(int to_file, FILE *fh)
1223 print_stream_t *stream;
1226 output = (output_ps *)g_malloc(sizeof *output);
1227 output->to_file = to_file;
1229 stream = (print_stream_t *)g_malloc(sizeof (print_stream_t));
1230 stream->ops = &print_ps_ops;
1231 stream->data = output;
1237 print_stream_ps_new(int to_file, const char *dest)
1241 fh = open_print_dest(to_file, dest);
1245 return print_stream_ps_alloc(to_file, fh);
1249 print_stream_ps_stdio_new(FILE *fh)
1251 return print_stream_ps_alloc(TRUE, fh);
1254 output_fields_t* output_fields_new()
1256 output_fields_t* fields = g_new(output_fields_t, 1);
1257 fields->print_header = FALSE;
1258 fields->separator = '\t';
1259 fields->aggregator = ',';
1260 fields->fields = NULL; /*Do lazy initialisation */
1261 fields->field_indicies = NULL;
1262 fields->field_values = NULL;
1267 gsize output_fields_num_fields(output_fields_t* fields)
1271 if(NULL == fields->fields) {
1274 return fields->fields->len;
1278 void output_fields_free(output_fields_t* fields)
1282 if(NULL != fields->field_indicies) {
1283 /* Keys are stored in fields->fields, values are
1286 g_hash_table_destroy(fields->field_indicies);
1288 if(NULL != fields->fields) {
1290 for(i = 0; i < fields->fields->len; ++i) {
1291 gchar* field = (gchar *)g_ptr_array_index(fields->fields,i);
1294 g_ptr_array_free(fields->fields, TRUE);
1300 void output_fields_add(output_fields_t* fields, const gchar* field)
1308 if(NULL == fields->fields) {
1309 fields->fields = g_ptr_array_new();
1312 field_copy = g_strdup(field);
1314 g_ptr_array_add(fields->fields, field_copy);
1317 gboolean output_fields_set_option(output_fields_t* info, gchar* option)
1319 const gchar* option_name;
1320 const gchar* option_value;
1325 if('\0' == *option) {
1326 return FALSE; /* Is this guarded against by option parsing? */
1328 option_name = strtok(option,"=");
1329 option_value = option + strlen(option_name) + 1;
1330 if(0 == strcmp(option_name, "header")) {
1331 switch(NULL == option_value ? '\0' : *option_value) {
1333 info->print_header = FALSE;
1336 info->print_header = TRUE;
1344 if(0 == strcmp(option_name,"separator")) {
1345 switch(NULL == option_value ? '\0' : *option_value) {
1349 switch(*++option_value) {
1351 info->separator = '\t';
1354 info->separator = ' ';
1357 info->separator = '\\';
1361 info->separator = *option_value;
1367 if(0 == strcmp(option_name,"aggregator")) {
1368 switch(NULL == option_value ? '\0' : *option_value) {
1372 switch(*++option_value) {
1374 info->aggregator = ' ';
1377 info->aggregator = '\\';
1381 info->aggregator = *option_value;
1387 if(0 == strcmp(option_name, "quote")) {
1388 switch(NULL == option_value ? '\0' : *option_value) {
1389 default: /* Fall through */
1409 void output_fields_list_options(FILE *fh)
1411 fprintf(fh, "TShark: The available options for field output \"E\" are:\n");
1412 fputs("header=y|n Print field abbreviations as first line of output (def: N: no)\n", fh);
1413 fputs("separator=/t|/s|<character> Set the separator to use; \"/t\" = tab,\n \"/s\" = space (def: /t: tab)\n", fh);
1414 fputs("quote=d|s|n Print either d: double-quotes, s: single quotes or n: no quotes around field values (def: n: none)\n", fh);
1418 void write_fields_preamble(output_fields_t* fields, FILE *fh)
1425 if(!fields->print_header) {
1429 for(i = 0; i < fields->fields->len; ++i) {
1430 const gchar* field = (const gchar *)g_ptr_array_index(fields->fields,i);
1432 fputc(fields->separator, fh);
1439 static void proto_tree_get_node_field_values(proto_node *node, gpointer data)
1441 write_field_data_t *call_data;
1443 gpointer field_index;
1445 call_data = (write_field_data_t *)data;
1446 fi = PNODE_FINFO(node);
1448 g_assert(fi && "dissection with an invisible proto tree?");
1450 field_index = g_hash_table_lookup(call_data->fields->field_indicies, fi->hfinfo->abbrev);
1451 if(NULL != field_index) {
1454 value = get_node_field_value(fi, call_data->edt); /* ep_alloced string */
1456 if(NULL != value && '\0' != *value) {
1458 actual_index = GPOINTER_TO_UINT(field_index);
1459 /* Unwrap change made to disambiguiate zero / null */
1460 if (call_data->fields->field_values[actual_index - 1] == NULL ) {
1461 call_data->fields->field_values[actual_index - 1] = ep_strbuf_new(value);
1463 ep_strbuf_append_printf(call_data->fields->field_values[actual_index - 1],
1464 "%c%s",call_data->fields->aggregator,value);
1470 if (node->first_child != NULL) {
1471 proto_tree_children_foreach(node, proto_tree_get_node_field_values,
1476 void proto_tree_write_fields(output_fields_t* fields, epan_dissect_t *edt, FILE *fh)
1480 write_field_data_t data;
1486 data.fields = fields;
1489 if(NULL == fields->field_indicies) {
1490 /* Prepare a lookup table from string abbreviation for field to its index. */
1491 fields->field_indicies = g_hash_table_new(g_str_hash, g_str_equal);
1494 while( i < fields->fields->len) {
1495 gchar* field = (gchar *)g_ptr_array_index(fields->fields, i);
1496 /* Store field indicies +1 so that zero is not a valid value,
1497 * and can be distinguished from NULL as a pointer.
1500 g_hash_table_insert(fields->field_indicies, field, GUINT_TO_POINTER(i));
1504 /* Buffer to store values for this packet */
1505 fields->field_values = ep_alloc_array0(emem_strbuf_t*, fields->fields->len);
1507 proto_tree_children_foreach(edt->tree, proto_tree_get_node_field_values,
1510 for(i = 0; i < fields->fields->len; ++i) {
1512 fputc(fields->separator, fh);
1514 if(NULL != fields->field_values[i]) {
1515 if(fields->quote != '\0') {
1516 fputc(fields->quote, fh);
1518 fputs(fields->field_values[i]->str, fh);
1519 if(fields->quote != '\0') {
1520 fputc(fields->quote, fh);
1526 void write_fields_finale(output_fields_t* fields _U_ , FILE *fh _U_)
1531 /* Returns an ep_alloced string or a static constant*/
1532 const gchar* get_node_field_value(field_info* fi, epan_dissect_t* edt)
1534 if (fi->hfinfo->id == hf_text_only) {
1538 return fi->rep->representation;
1541 return get_field_hex_value(edt->pi.data_src, fi);
1544 else if (fi->hfinfo->id == proto_data) {
1545 /* Uninterpreted data, i.e., the "Data" protocol, is
1546 * printed as a field instead of a protocol. */
1547 return get_field_hex_value(edt->pi.data_src, fi);
1550 /* Normal protocols and fields */
1551 gchar *dfilter_string;
1554 switch (fi->hfinfo->type)
1557 /* Print out the full details for the protocol. */
1559 return fi->rep->representation;
1561 /* Just print out the protocol abbreviation */
1562 return fi->hfinfo->abbrev;;
1565 /* Return "1" so that the presence of a field of type
1566 * FT_NONE can be checked when using -T fields */
1569 /* XXX - this is a hack until we can just call
1570 * fvalue_to_string_repr() for *all* FT_* types. */
1571 dfilter_string = proto_construct_match_selected_string(fi,
1573 if (dfilter_string != NULL) {
1574 chop_len = strlen(fi->hfinfo->abbrev) + 4; /* for " == " */
1576 /* XXX - Remove double-quotes. Again, once we
1577 * can call fvalue_to_string_repr(), we can
1578 * ask it not to produce the version for
1579 * display-filters, and thus, no
1581 if (dfilter_string[strlen(dfilter_string)-1] == '"') {
1582 dfilter_string[strlen(dfilter_string)-1] = '\0';
1586 return &(dfilter_string[chop_len]);
1588 return get_field_hex_value(edt->pi.data_src, fi);
1595 get_field_hex_value(GSList* src_list, field_info *fi)
1602 if (fi->length > tvb_length_remaining(fi->ds_tvb, fi->start)) {
1603 return "field length invalid!";
1606 /* Find the data for this field. */
1607 pd = get_field_data(src_list, fi);
1614 const int chars_per_byte = 2;
1616 len = chars_per_byte * fi->length;
1617 buffer = ep_alloc_array(gchar, len + 1);
1618 buffer[len] = '\0'; /* Ensure NULL termination in bad cases */
1620 /* Print a simple hex dump */
1621 for (i = 0 ; i < fi->length; i++) {
1622 g_snprintf(p, chars_per_byte+1, "%02x", pd[i]);
1623 p += chars_per_byte;