#include <epan/epan_dissect.h>
#include <epan/to_str.h>
#include <epan/expert.h>
-#include <epan/packet-range.h>
+#include <epan/column-info.h>
+#include <epan/color_filters.h>
+#include <epan/prefs.h>
#include <epan/print.h>
#include <epan/charsets.h>
#include <wsutil/filesystem.h>
FILE *fh;
GSList *src_list;
gchar **filter;
+ pf_flags filter_flags;
} write_pdml_data;
typedef struct {
FILE *fh;
GSList *src_list;
gchar **filter;
+ pf_flags filter_flags;
gboolean print_hex;
+ gboolean print_text;
+ proto_node_children_grouper_func node_children_grouper;
} write_json_data;
typedef struct {
static gchar *get_field_hex_value(GSList *src_list, field_info *fi);
static void proto_tree_print_node(proto_node *node, gpointer data);
static void proto_tree_write_node_pdml(proto_node *node, gpointer data);
-static void proto_tree_write_node_json(proto_node *node, gpointer data);
static void proto_tree_write_node_ek(proto_node *node, gpointer data);
static const guint8 *get_field_data(GSList *src_list, field_info *fi);
static void pdml_write_field_hex_value(write_pdml_data *pdata, field_info *fi);
static void print_escaped_json(FILE *fh, const char *unescaped_string);
static void print_escaped_ek(FILE *fh, const char *unescaped_string);
-static void print_pdml_geninfo(proto_tree *tree, FILE *fh);
+typedef void (*proto_node_value_writer)(proto_node *, write_json_data *);
+static void write_json_proto_node_list(GSList *proto_node_list_head, write_json_data *data);
+static void write_json_proto_node(GSList *node_values_head,
+ const char *suffix,
+ proto_node_value_writer value_writer,
+ write_json_data *data);
+static void write_json_proto_node_value_list(GSList *node_values_head,
+ proto_node_value_writer value_writer,
+ write_json_data *data);
+static void write_json_proto_node_filtered(proto_node *node, write_json_data *data);
+static void write_json_proto_node_hex_dump(proto_node *node, write_json_data *data);
+static void write_json_proto_node_children(proto_node *node, write_json_data *data);
+static void write_json_proto_node_value(proto_node *node, write_json_data *data);
+static void write_json_proto_node_no_value(proto_node *node, write_json_data *data);
+static const char *proto_node_to_json_key(proto_node *node);
+
+static void print_pdml_geninfo(epan_dissect_t *edt, FILE *fh);
static void proto_tree_get_node_field_values(proto_node *node, gpointer data);
+static gboolean json_is_first;
+
/* Cache the protocols and field handles that the print functionality needs
This helps break explicit dependency on the dissectors. */
static int proto_data = -1;
static int proto_frame = -1;
-static int hf_frame_arrival_time = -1;
-static int hf_frame_number = -1;
-static int hf_frame_len = -1;
-static int hf_frame_capture_len = -1;
void print_cache_field_handles(void)
{
proto_data = proto_get_id_by_short_name("Data");
proto_frame = proto_get_id_by_short_name("Frame");
- hf_frame_arrival_time = proto_registrar_get_id_byname("frame.time");
- hf_frame_number = proto_registrar_get_id_byname("frame.number");
- hf_frame_len = proto_registrar_get_id_byname("frame.len");
- hf_frame_capture_len = proto_registrar_get_id_byname("frame.cap_len");
}
gboolean
-proto_tree_print(print_args_t *print_args, epan_dissect_t *edt,
- GHashTable *output_only_tables, print_stream_t *stream)
+proto_tree_print(print_dissections_e print_dissections, gboolean print_hex,
+ epan_dissect_t *edt, GHashTable *output_only_tables,
+ print_stream_t *stream)
{
print_data data;
data.success = TRUE;
data.src_list = edt->pi.data_src;
data.encoding = (packet_char_enc)edt->pi.fd->flags.encoding;
- data.print_dissections = print_args->print_dissections;
+ data.print_dissections = print_dissections;
/* If we're printing the entire packet in hex, don't
print uninterpreted data fields in hex as well. */
- data.print_hex_for_data = !print_args->print_hex;
+ data.print_hex_for_data = !print_hex;
data.output_only_tables = output_only_tables;
proto_tree_children_foreach(edt->tree, proto_tree_print_node, &data);
g_assert(fi);
/* Don't print invisible entries. */
- if (PROTO_ITEM_IS_HIDDEN(node))
+ if (PROTO_ITEM_IS_HIDDEN(node) && (prefs.display_hidden_proto_items == FALSE))
return;
/* Give up if we've already gotten an error. */
write_pdml_preamble(FILE *fh, const gchar *filename)
{
time_t t = time(NULL);
- char *ts = asctime(localtime(&t));
-
- ts[strlen(ts)-1] = 0; /* overwrite \n */
+ struct tm * timeinfo;
+ char *fmt_ts;
+ const char *ts;
- fputs("<?xml version=\"1.0\"?>\n", fh);
- fputs("<?xml-stylesheet type=\"text/xsl\" href=\"" PDML2HTML_XSL "\"?>\n", fh);
+ /* Create the output */
+ timeinfo = localtime(&t);
+ if (timeinfo != NULL) {
+ fmt_ts = asctime(timeinfo);
+ fmt_ts[strlen(fmt_ts)-1] = 0; /* overwrite \n */
+ ts = fmt_ts;
+ } else
+ ts = "Not representable";
+
+ fprintf(fh, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
+ fprintf(fh, "<?xml-stylesheet type=\"text/xsl\" href=\"" PDML2HTML_XSL "\"?>\n");
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());
- fputs("<pdml version=\"" PDML_VERSION "\" ", fh);
- fprintf(fh, "creator=\"%s/%s\" time=\"%s\" capture_file=\"%s\">\n", PACKAGE, VERSION, ts, filename ? filename : "");
-}
-
-void
-write_json_preamble(FILE *fh)
-{
- fputs("[\n", fh);
+ fprintf(fh, "<pdml version=\"" PDML_VERSION "\" creator=\"%s/%s\" time=\"%s\" capture_file=\"", PACKAGE, VERSION, ts);
+ if (filename) {
+ /* \todo filename should be converted to UTF-8. */
+ print_escaped_xml(fh, filename);
+ }
+ fprintf(fh, "\">\n");
}
/* Check if the str match the protocolfilter. json_filter is space
}
void
-write_pdml_proto_tree(output_fields_t* fields, gchar **protocolfilter, epan_dissect_t *edt, FILE *fh)
+write_pdml_proto_tree(output_fields_t* fields, gchar **protocolfilter, pf_flags protocolfilter_flags, epan_dissect_t *edt, FILE *fh, gboolean use_color)
{
write_pdml_data data;
+ const color_filter_t *cfp = edt->pi.fd->color_filter;
g_assert(edt);
g_assert(fh);
/* Create the output */
- fprintf(fh, "<packet>\n");
+ if (use_color && (cfp != NULL)) {
+ fprintf(fh, "<packet foreground='#%02x%02x%02x' background='#%02x%02x%02x'>\n",
+ cfp->fg_color.red, cfp->fg_color.green, cfp->fg_color.blue,
+ cfp->bg_color.red, cfp->bg_color.green, cfp->bg_color.blue);
+ }
+ else {
+ fprintf(fh, "<packet>\n");
+ }
/* Print a "geninfo" protocol as required by PDML */
- print_pdml_geninfo(edt->tree, fh);
+ print_pdml_geninfo(edt, fh);
if (fields == NULL || fields->fields == NULL) {
/* Write out all fields */
data.fh = fh;
data.src_list = edt->pi.data_src;
data.filter = protocolfilter;
+ data.filter_flags = protocolfilter_flags;
proto_tree_children_foreach(edt->tree, proto_tree_write_node_pdml,
&data);
}
void
-write_json_proto_tree(output_fields_t* fields, print_args_t *print_args, gchar **protocolfilter, epan_dissect_t *edt, FILE *fh)
-{
- write_json_data data;
- char ts[30];
- time_t t = time(NULL);
- struct tm * timeinfo;
- static gboolean is_first = TRUE;
-
- g_assert(edt);
- g_assert(fh);
-
- /* Create the output */
- timeinfo = localtime(&t);
- strftime(ts, 30, "%Y-%m-%d", timeinfo);
-
- if (!is_first)
- fputs(" ,\n", fh);
- else
- is_first = FALSE;
-
- fputs(" {\n", fh);
- fprintf(fh, " \"_index\": \"packets-%s\",\n", ts);
- fputs(" \"_type\": \"pcap_file\",\n", fh);
- fputs(" \"_score\": null,\n", fh);
- fputs(" \"_source\": {\n", fh);
- fputs(" \"layers\": {\n", fh);
-
- if (fields == NULL || fields->fields == NULL) {
- /* Write out all fields */
- data.level = 1;
- data.fh = fh;
- data.src_list = edt->pi.data_src;
- data.filter = protocolfilter;
- data.print_hex = print_args->print_hex;
-
- proto_tree_children_foreach(edt->tree, proto_tree_write_node_json,
- &data);
- } else {
- /* Write out specified fields */
- write_specified_fields(FORMAT_JSON, fields, edt, NULL, fh);
- }
-
- fputs(" }\n", fh);
- fputs(" }\n", fh);
- fputs(" }", fh);
-
-}
-
-void
-write_ek_proto_tree(output_fields_t* fields, print_args_t *print_args, gchar **protocolfilter, epan_dissect_t *edt, FILE *fh)
+write_ek_proto_tree(output_fields_t* fields,
+ gboolean print_hex, gchar **protocolfilter,
+ pf_flags protocolfilter_flags, epan_dissect_t *edt,
+ FILE *fh)
{
write_json_data data;
char ts[30];
/* Create the output */
timeinfo = localtime(&t);
- strftime(ts, 30, "%Y-%m-%d", timeinfo);
+ if (timeinfo != NULL)
+ strftime(ts, sizeof ts, "%Y-%m-%d", timeinfo);
+ else
+ g_strlcpy(ts, "XXXX-XX-XX", sizeof ts); /* XXX - better way of saying "Not representable"? */
fprintf(fh, "{\"index\" : {\"_index\": \"packets-%s\", \"_type\": \"pcap_file\", \"_score\": null}}\n", ts);
/* Timestamp added for time indexing in Elasticsearch */
data.fh = fh;
data.src_list = edt->pi.data_src;
data.filter = protocolfilter;
- data.print_hex = print_args->print_hex;
+ data.filter_flags = protocolfilter_flags;
+ data.print_hex = print_hex;
proto_tree_children_foreach(edt->tree, proto_tree_write_node_ek,
&data);
write_specified_fields(FORMAT_CSV, fields, edt, cinfo, fh);
}
+/* Indent to the correct level */
+static void print_indent(int level, FILE *fh)
+{
+ int i;
+ if (fh == NULL) {
+ return;
+ }
+ for (i = 0; i < level; i++) {
+ fputs(" ", fh);
+ }
+}
+
/* Write out a tree's data, and any child nodes, as PDML */
static void
proto_tree_write_node_pdml(proto_node *node, gpointer data)
const gchar *label_ptr;
gchar label_str[ITEM_LABEL_LENGTH];
char *dfilter_string;
- int i;
gboolean wrap_in_fake_protocol;
/* dissection with an invisible proto tree? */
(fi->hfinfo->id == proto_data)) &&
(pdata->level == 0));
- /* Indent to the correct level */
- for (i = -1; i < pdata->level; i++) {
- fputs(" ", pdata->fh);
- }
+ print_indent(pdata->level + 1, pdata->fh);
if (wrap_in_fake_protocol) {
/* Open fake protocol wrapper */
fputs("<proto name=\"fake-field-wrapper\">\n", pdata->fh);
- /* Indent to increased level before writing out field */
- pdata->level++;
- for (i = -1; i < pdata->level; i++) {
- fputs(" ", pdata->fh);
- }
+ print_indent(pdata->level + 1, pdata->fh);
}
/* Text label. It's printed as a field with no name. */
print_escaped_xml(pdata->fh, label_ptr);
}
- if (PROTO_ITEM_IS_HIDDEN(node))
+ if (PROTO_ITEM_IS_HIDDEN(node) && (prefs.display_hidden_proto_items == FALSE))
fprintf(pdata->fh, "\" hide=\"yes");
fprintf(pdata->fh, "\" size=\"%d", fi->length);
/* We print some levels for PDML. Recurse here. */
if (node->first_child != NULL) {
if (pdata->filter == NULL || check_protocolfilter(pdata->filter, fi->hfinfo->abbrev)) {
+ gchar **_filter = NULL;
+ /* Remove protocol filter for children, if children should be included */
+ if ((pdata->filter_flags&PF_INCLUDE_CHILDREN) == PF_INCLUDE_CHILDREN) {
+ _filter = pdata->filter;
+ pdata->filter = NULL;
+ }
+
pdata->level++;
proto_tree_children_foreach(node,
proto_tree_write_node_pdml, pdata);
pdata->level--;
- } else {
- /* Indent to the correct level */
- for (i = -2; i < pdata->level; i++) {
- fputs(" ", pdata->fh);
+
+ /* Put protocol filter back */
+ if ((pdata->filter_flags&PF_INCLUDE_CHILDREN) == PF_INCLUDE_CHILDREN) {
+ pdata->filter = _filter;
}
+ } else {
+ print_indent(pdata->level + 2, pdata->fh);
+
/* print dummy field */
fputs("<field name=\"filtered\" value=\"", pdata->fh);
print_escaped_xml(pdata->fh, fi->hfinfo->abbrev);
}
if (node->first_child != NULL) {
- /* Indent to correct level */
- for (i = -1; i < pdata->level; i++) {
- fputs(" ", pdata->fh);
- }
+ print_indent(pdata->level + 1, pdata->fh);
+
/* Close off current element */
/* Data and expert "protocols" use simple tags */
if ((fi->hfinfo->id != proto_data) && (fi->hfinfo->id != proto_expert)) {
}
}
+void
+write_json_preamble(FILE *fh)
+{
+ fputs("[\n", fh);
+ json_is_first = TRUE;
+}
-/* Write out a tree's data, and any child nodes, as JSON */
-static void
-proto_tree_write_node_json(proto_node *node, gpointer data)
+void
+write_json_finale(FILE *fh)
{
- field_info *fi = PNODE_FINFO(node);
- write_json_data *pdata = (write_json_data*) data;
- const gchar *label_ptr;
- gchar label_str[ITEM_LABEL_LENGTH];
- char *dfilter_string;
- int i;
+ fputs("\n\n]\n", fh);
+}
- /* dissection with an invisible proto tree? */
- g_assert(fi);
+void
+write_json_proto_tree(output_fields_t* fields,
+ print_dissections_e print_dissections,
+ gboolean print_hex, gchar **protocolfilter,
+ pf_flags protocolfilter_flags, epan_dissect_t *edt,
+ proto_node_children_grouper_func node_children_grouper,
+ FILE *fh)
+{
+ char ts[30];
+ time_t t = time(NULL);
+ struct tm * timeinfo;
+ write_json_data data;
- /* Indent to the correct level */
- for (i = -3; i < pdata->level; i++) {
- fputs(" ", pdata->fh);
+ if (!json_is_first) {
+ fputs("\n\n ,\n", fh);
+ } else {
+ json_is_first = FALSE;
}
- /* Text label. It's printed as a field with no name. */
- if (fi->hfinfo->id == hf_text_only) {
- /* Get the text */
- if (fi->rep) {
- label_ptr = fi->rep->representation;
- }
- else {
- label_ptr = "";
- }
+ timeinfo = localtime(&t);
+ if (timeinfo != NULL) {
+ strftime(ts, sizeof ts, "%Y-%m-%d", timeinfo);
+ } else {
+ g_strlcpy(ts, "XXXX-XX-XX", sizeof ts); /* XXX - better way of saying "Not representable"? */
+ }
- /* Show empty name since it is a required field */
- fputs("\"", pdata->fh);
- print_escaped_json(pdata->fh, label_ptr);
+ fputs(" {\n", fh);
+ fprintf(fh, " \"_index\": \"packets-%s\",\n", ts);
+ fputs(" \"_type\": \"pcap_file\",\n", fh);
+ fputs(" \"_score\": null,\n", fh);
+ fputs(" \"_source\": {\n", fh);
+ fputs(" \"layers\": ", fh);
- if (node->first_child != NULL) {
- fputs("\": {\n", pdata->fh);
- }
- else {
- if (node->next == NULL) {
- fputs("\": \"\"\n", pdata->fh);
- } else {
- fputs("\": \"\",\n", pdata->fh);
- }
+ if (fields == NULL || fields->fields == NULL) {
+ /* Write out all fields */
+ data.level = 3;
+ data.fh = fh;
+ data.src_list = edt->pi.data_src;
+ data.filter = protocolfilter;
+ data.filter_flags = protocolfilter_flags;
+ data.print_hex = print_hex;
+ data.print_text = TRUE;
+ if (print_dissections == print_dissections_none) {
+ data.print_text = FALSE;
}
+ data.node_children_grouper = node_children_grouper;
+
+ write_json_proto_node_children(edt->tree, &data);
+ } else {
+ write_specified_fields(FORMAT_JSON, fields, edt, NULL, fh);
}
- /* Normal protocols and fields */
- else {
- /*
- * Hex dump -x
- */
- if (pdata->print_hex && fi->length > 0) {
- fputs("\"", pdata->fh);
- print_escaped_json(pdata->fh, fi->hfinfo->abbrev);
- fputs("_raw", pdata->fh);
- fputs("\": \"", pdata->fh);
+ fputs("\n", fh);
+ fputs(" }\n", fh);
+ fputs(" }", fh);
+}
- if (fi->hfinfo->bitmask!=0) {
- switch (fi->value.ftype->ftype) {
- case FT_INT8:
- case FT_INT16:
- case FT_INT24:
- case FT_INT32:
- fprintf(pdata->fh, "%X", (guint) fvalue_get_sinteger(&fi->value));
- break;
- case FT_UINT8:
- case FT_UINT16:
- case FT_UINT24:
- case FT_UINT32:
- fprintf(pdata->fh, "%X", fvalue_get_uinteger(&fi->value));
- break;
- case FT_INT40:
- case FT_INT48:
- case FT_INT56:
- case FT_INT64:
- fprintf(pdata->fh, "%" G_GINT64_MODIFIER "X", fvalue_get_sinteger64(&fi->value));
- break;
- case FT_UINT40:
- case FT_UINT48:
- case FT_UINT56:
- case FT_UINT64:
- case FT_BOOLEAN:
- fprintf(pdata->fh, "%" G_GINT64_MODIFIER "X", fvalue_get_uinteger64(&fi->value));
- break;
- default:
- g_assert_not_reached();
- }
- fputs("\",\n", pdata->fh);
- }
- else {
- json_write_field_hex_value(pdata, fi);
- fputs("\",\n", pdata->fh);
- }
+/**
+ * Write a json object containing a list of key:value pairs where each key:value pair corresponds to a different json
+ * key and its associated nodes in the proto_tree.
+ * @param proto_node_list_head A 2-dimensional list containing a list of values for each different node json key. The
+ * elements themselves are a linked list of values associated with the same json key.
+ * @param data json writing metadata
+ */
+static void
+write_json_proto_node_list(GSList *proto_node_list_head, write_json_data *data)
+{
+ GSList *current_node = proto_node_list_head;
- /* Indent to the correct level */
- for (i = -3; i < pdata->level; i++) {
- fputs(" ", pdata->fh);
- }
+ fputs("{\n", data->fh);
+ data->level++;
+
+ /*
+ * In most of the following if statements we cannot be sure if its the first or last if statement to be
+ * executed. Thus we need a way of knowing whether a key:value pair has already been printed in order to know
+ * if a comma should be printed before the next key:value pair. We use the delimiter_needed variable to store
+ * whether a comma needs to be written before a new key:value pair is written. Note that instead of checking
+ * before writing a new key:value pair if a comma is needed we could also check after writing a key:value pair
+ * whether a comma is needed but this would be considerably more complex since after each if statement a
+ * different condition would have to be checked. After the first value is written a delimiter is always needed so
+ * this value is never set back to FALSE after it has been set to TRUE.
+ */
+ gboolean delimiter_needed = FALSE;
+
+ // Loop over each list of nodes (differentiated by json key) and write the associated json key:value pair in the
+ // output.
+ while (current_node != NULL) {
+ // Get the list of values for the current json key.
+ GSList *node_values_list = (GSList *) current_node->data;
+
+ // Retrieve the json key from the first value.
+ proto_node *first_value = (proto_node *) node_values_list->data;
+ const char *json_key = proto_node_to_json_key(first_value);
+ // Check if the current json key is filtered from the output with the "-j" cli option.
+ gboolean is_filtered = data->filter != NULL && !check_protocolfilter(data->filter, json_key);
+
+ field_info *fi = first_value->finfo;
+ char *value_string_repr = fvalue_to_string_repr(NULL, &fi->value, FTREPR_DISPLAY, fi->hfinfo->display);
+
+ // We assume all values of a json key have roughly the same layout. Thus we can use the first value to derive
+ // attributes of all the values.
+ gboolean has_value = value_string_repr != NULL;
+ gboolean has_children = first_value->first_child != NULL;
+ gboolean is_pseudo_text_field = fi->hfinfo->id == 0;
+
+ wmem_free(NULL, value_string_repr); // fvalue_to_string_repr returns allocated buffer
+
+ // "-x" command line option. A "_raw" suffix is added to the json key so the textual value can be printed
+ // with the original json key. If both hex and text writing are enabled the raw information of fields whose
+ // length is equal to 0 is not written to the output. If the field is a special text pseudo field no raw
+ // information is written either.
+ if (data->print_hex && (!data->print_text || fi->length > 0) && !is_pseudo_text_field) {
+ if (delimiter_needed) fputs(",\n", data->fh);
+ write_json_proto_node(node_values_list, "_raw", write_json_proto_node_hex_dump, data);
+ delimiter_needed = TRUE;
}
+ if (data->print_text && has_value) {
+ if (delimiter_needed) fputs(",\n", data->fh);
+ write_json_proto_node(node_values_list, "", write_json_proto_node_value, data);
+ delimiter_needed = TRUE;
+ }
- fputs("\"", pdata->fh);
+ if (has_children) {
+ if (delimiter_needed) fputs(",\n", data->fh);
- print_escaped_json(pdata->fh, fi->hfinfo->abbrev);
+ // If a node has both a value and a set of children we print the value and the children in separate
+ // key:value pairs. These can't have the same key so whenever a value is already printed with the node
+ // json key we print the children with the same key with a "_tree" suffix added.
+ char *suffix = has_value ? "_tree": "";
- /* show, value, and unmaskedvalue attributes */
- switch (fi->hfinfo->type)
- {
- case FT_PROTOCOL:
- if (node->first_child != NULL) {
- fputs("\": {\n", pdata->fh);
+ if (is_filtered) {
+ write_json_proto_node(node_values_list, suffix, write_json_proto_node_filtered, data);
} else {
- fputs("\": \"", pdata->fh);
- if (fi->rep) {
- print_escaped_json(pdata->fh, fi->rep->representation);
- }
- else {
- label_ptr = label_str;
- proto_item_fill_label(fi, label_str);
- print_escaped_json(pdata->fh, label_ptr);
- }
- if (node->next == NULL) {
- fputs("\"\n", pdata->fh);
- } else {
- fputs("\",\n", pdata->fh);
+ // Remove protocol filter for children, if children should be included. This functionality is enabled
+ // with the "-J" command line option. We save the filter so it can be reenabled when we are done with
+ // the current key:value pair.
+ gchar **_filter = NULL;
+ if ((data->filter_flags&PF_INCLUDE_CHILDREN) == PF_INCLUDE_CHILDREN) {
+ _filter = data->filter;
+ data->filter = NULL;
}
- }
- break;
- case FT_NONE:
- if (node->first_child != NULL) {
- fputs("\": {\n", pdata->fh);
- } else {
- if (node->next == NULL) {
- fputs("\": \"\"\n", pdata->fh);
- } else {
- fputs("\": \"\",\n", pdata->fh);
- }
- }
- break;
- default:
- dfilter_string = fvalue_to_string_repr(NULL, &fi->value, FTREPR_DISPLAY, fi->hfinfo->display);
- if (dfilter_string != NULL) {
- if (node->first_child == NULL) {
- fputs("\": \"", pdata->fh);
- print_escaped_json(pdata->fh, dfilter_string);
- } else {
- fputs("\": {\n", pdata->fh);
- }
- }
- wmem_free(NULL, dfilter_string);
- if (node->first_child == NULL) {
- if (node->next == NULL) {
- fputs("\"\n", pdata->fh);
- } else {
- fputs("\",\n", pdata->fh);
+ write_json_proto_node(node_values_list, suffix, write_json_proto_node_children, data);
+
+ // Put protocol filter back
+ if ((data->filter_flags&PF_INCLUDE_CHILDREN) == PF_INCLUDE_CHILDREN) {
+ data->filter = _filter;
}
}
+
+ delimiter_needed = TRUE;
+ }
+
+ if (!has_value && !has_children && (data->print_text || (data->print_hex && is_pseudo_text_field))) {
+ if (delimiter_needed) fputs(",\n", data->fh);
+ write_json_proto_node(node_values_list, "", write_json_proto_node_no_value, data);
+ delimiter_needed = TRUE;
}
+ current_node = current_node->next;
}
- /* We print some levels for JSON. Recurse here. */
- if (node->first_child != NULL) {
- if (pdata->filter == NULL || check_protocolfilter(pdata->filter, fi->hfinfo->abbrev)) {
- pdata->level++;
- proto_tree_children_foreach(node, proto_tree_write_node_json, pdata);
- pdata->level--;
- } else {
- /* Indent to the correct level */
- for (i = -4; i < pdata->level; i++) {
- fputs(" ", pdata->fh);
- }
- /* print dummy field */
- fputs("\"filtered\": \"", pdata->fh);
- print_escaped_json(pdata->fh, fi->hfinfo->abbrev);
- fputs("\"\n", pdata->fh);
+ data->level--;
+ fputs("\n", data->fh);
+ print_indent(data->level, data->fh);
+ fputs("}", data->fh);
+}
+
+/**
+ * Writes a single node as a key:value pair. The value_writer param can be used to specify how the node's value should
+ * be written.
+ * @param node_values_head Linked list containing all nodes associated with the same json key in this object.
+ * @param suffix Suffix that should be added to the json key.
+ * @param value_writer A function which writes the actual values of the node json key.
+ * @param data json writing metadata
+ */
+static void
+write_json_proto_node(GSList *node_values_head,
+ const char *suffix,
+ proto_node_value_writer value_writer,
+ write_json_data *data)
+{
+ // Retrieve json key from first value.
+ proto_node *first_value = (proto_node *) node_values_head->data;
+ const char *json_key = proto_node_to_json_key(first_value);
+
+ print_indent(data->level, data->fh);
+ fputs("\"", data->fh);
+ print_escaped_json(data->fh, json_key);
+ print_escaped_json(data->fh, suffix);
+ fputs("\": ", data->fh);
+
+ write_json_proto_node_value_list(node_values_head, value_writer, data);
+}
+
+/**
+ * Writes a list of values of a single json key. If multiple values are passed they are wrapped in a json array.
+ * @param node_values_head Linked list containing all values that should be written.
+ * @param value_writer Function which writes the separate values.
+ * @param data json writing metadata
+ */
+static void
+write_json_proto_node_value_list(GSList *node_values_head, proto_node_value_writer value_writer, write_json_data *data)
+{
+ GSList *current_value = node_values_head;
+
+ // Write directly if only a single value is passed. Wrap in json array otherwise.
+ if (current_value->next == NULL) {
+ value_writer((proto_node *) current_value->data, data);
+ } else {
+ fputs("[\n", data->fh);
+ data->level++;
+
+ while (current_value != NULL) {
+ // Do not print delimiter before first value
+ if (current_value != node_values_head) fputs(",\n", data->fh);
+
+ print_indent(data->level, data->fh);
+ value_writer((proto_node *) current_value->data, data);
+ current_value = current_value->next;
}
+
+ data->level--;
+ fputs("\n", data->fh);
+ print_indent(data->level, data->fh);
+ fputs("]", data->fh);
}
+}
- if (node->first_child != NULL) {
- /* Indent to correct level */
- for (i = -3; i < pdata->level; i++) {
- fputs(" ", pdata->fh);
+/**
+ * Writes the value for a node that's filtered from the output.
+ */
+static void
+write_json_proto_node_filtered(proto_node *node, write_json_data *data)
+{
+ const char *json_key = proto_node_to_json_key(node);
+
+ fputs("{\n", data->fh);
+ data->level++;
+
+ print_indent(data->level, data->fh);
+ fputs("\"filtered\": ", data->fh);
+ fputs("\"", data->fh);
+ print_escaped_json(data->fh, json_key);
+ fputs("\"\n", data->fh);
+
+ data->level--;
+ print_indent(data->level, data->fh);
+ fputs("}", data->fh);
+}
+
+/**
+ * Writes the hex dump of a node. A json array is written containing the hex dump, position, length, bitmask and type of
+ * the node.
+ */
+static void
+write_json_proto_node_hex_dump(proto_node *node, write_json_data *data)
+{
+ field_info *fi = node->finfo;
+
+ fputs("[\"", data->fh);
+
+ if (fi->hfinfo->bitmask!=0) {
+ switch (fi->value.ftype->ftype) {
+ case FT_INT8:
+ case FT_INT16:
+ case FT_INT24:
+ case FT_INT32:
+ fprintf(data->fh, "%X", (guint) fvalue_get_sinteger(&fi->value));
+ break;
+ case FT_UINT8:
+ case FT_UINT16:
+ case FT_UINT24:
+ case FT_UINT32:
+ fprintf(data->fh, "%X", fvalue_get_uinteger(&fi->value));
+ break;
+ case FT_INT40:
+ case FT_INT48:
+ case FT_INT56:
+ case FT_INT64:
+ fprintf(data->fh, "%" G_GINT64_MODIFIER "X", fvalue_get_sinteger64(&fi->value));
+ break;
+ case FT_UINT40:
+ case FT_UINT48:
+ case FT_UINT56:
+ case FT_UINT64:
+ case FT_BOOLEAN:
+ fprintf(data->fh, "%" G_GINT64_MODIFIER "X", fvalue_get_uinteger64(&fi->value));
+ break;
+ default:
+ g_assert_not_reached();
}
- /* Close off current element */
- if (node->next == NULL) {
- fputs("}\n", pdata->fh);
+ } else {
+ json_write_field_hex_value(data, fi);
+ }
+
+ /* Dump raw hex-encoded dissected information including position, length, bitmask, type */
+ fprintf(data->fh, "\", %" G_GINT32_MODIFIER "d", fi->start);
+ fprintf(data->fh, ", %" G_GINT32_MODIFIER "d", fi->length);
+ fprintf(data->fh, ", %" G_GUINT64_FORMAT, fi->hfinfo->bitmask);
+ fprintf(data->fh, ", %" G_GINT32_MODIFIER "d", (gint32)fi->value.ftype->ftype);
+
+ fputs("]", data->fh);
+}
+
+/**
+ * Writes the children of a node. Calls write_json_proto_node_list internally which recursively writes children of nodes
+ * to the output.
+ */
+static void
+write_json_proto_node_children(proto_node *node, write_json_data *data)
+{
+ GSList *grouped_children_list = data->node_children_grouper(node);
+ write_json_proto_node_list(grouped_children_list, data);
+ g_slist_free_full(grouped_children_list, (GDestroyNotify) g_slist_free);
+}
+
+/**
+ * Writes the value of a node to the output.
+ */
+static void
+write_json_proto_node_value(proto_node *node, write_json_data *data)
+{
+ field_info *fi = node->finfo;
+ // Get the actual value of the node as a string.
+ char *value_string_repr = fvalue_to_string_repr(NULL, &fi->value, FTREPR_DISPLAY, fi->hfinfo->display);
+
+ fputs("\"", data->fh);
+ print_escaped_json(data->fh, value_string_repr);
+ fputs("\"", data->fh);
+
+ wmem_free(NULL, value_string_repr);
+}
+
+/**
+ * Write the value for a node that has no value and no children. This is the empty string for all nodes except those of
+ * type FT_PROTOCOL for which the full name is written instead.
+ */
+static void
+write_json_proto_node_no_value(proto_node *node, write_json_data *data)
+{
+ field_info *fi = node->finfo;
+
+ fputs("\"", data->fh);
+
+ if (fi->hfinfo->type == FT_PROTOCOL) {
+ if (fi->rep) {
+ print_escaped_json(data->fh, fi->rep->representation);
} else {
- fputs("},\n", pdata->fh);
+ gchar label_str[ITEM_LABEL_LENGTH];
+ proto_item_fill_label(fi, label_str);
+ print_escaped_json(data->fh, label_str);
}
}
+
+ fputs("\"", data->fh);
+}
+
+/**
+ * Groups each child of the node separately.
+ * @return Linked list where each element is another linked list containing a single node.
+ */
+GSList *
+proto_node_group_children_by_unique(proto_node *node) {
+ GSList *unique_nodes_list = NULL;
+ proto_node *current_child = node->first_child;
+
+ while (current_child != NULL) {
+ GSList *unique_node = g_slist_prepend(NULL, current_child);
+ unique_nodes_list = g_slist_prepend(unique_nodes_list, unique_node);
+ current_child = current_child->next;
+ }
+
+ return g_slist_reverse(unique_nodes_list);
+}
+
+/**
+ * Groups the children of a node by their json key. Children are put in the same group if they have the same json key.
+ * @return Linked list where each element is another linked list of nodes associated with the same json key.
+ */
+GSList *
+proto_node_group_children_by_json_key(proto_node *node)
+{
+ /**
+ * For each different json key we store a linked list of values corresponding to that json key. These lists are kept
+ * in both a linked list and a hashmap. The hashmap is used to quickly retrieve the values of a json key. The linked
+ * list is used to preserve the ordering of keys as they are encountered which is not guaranteed when only using a
+ * hashmap.
+ */
+ GSList *same_key_nodes_list = NULL;
+ GHashTable *lookup_by_json_key = g_hash_table_new(g_str_hash, g_str_equal);
+ proto_node *current_child = node->first_child;
+
+ /**
+ * For each child of the node get the key and get the list of values already associated with that key from the
+ * 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
+ * list already exists add the node to that list.
+ */
+ while (current_child != NULL) {
+ char *json_key = (char *) proto_node_to_json_key(current_child);
+ GSList *json_key_nodes = (GSList *) g_hash_table_lookup(lookup_by_json_key, json_key);
+
+ if (json_key_nodes == NULL) {
+ json_key_nodes = g_slist_append(json_key_nodes, current_child);
+ // Prepending in single linked list is O(1), appending is O(n). Better to prepend here and reverse at the
+ // end than potentially looping to the end of the linked list for each child.
+ same_key_nodes_list = g_slist_prepend(same_key_nodes_list, json_key_nodes);
+ g_hash_table_insert(lookup_by_json_key, json_key, json_key_nodes);
+ } else {
+ // Store and insert value again to circumvent unused_variable warning.
+ // Append in this case since most value lists will only have a single value.
+ json_key_nodes = g_slist_append(json_key_nodes, current_child);
+ g_hash_table_insert(lookup_by_json_key, json_key, json_key_nodes);
+ }
+
+ current_child = current_child->next;
+ }
+
+ // Hash table is not needed anymore since the linked list with the correct ordering is returned.
+ g_hash_table_destroy(lookup_by_json_key);
+
+ return g_slist_reverse(same_key_nodes_list);
+}
+
+/**
+ * Returns the json key of a node. Tries to use the node's abbreviated name. If the abbreviated name is not available
+ * the representation is used instead.
+ */
+static const char *
+proto_node_to_json_key(proto_node *node)
+{
+ const char *json_key;
+ // Check if node has abbreviated name.
+ if (node->finfo->hfinfo->id != hf_text_only) {
+ json_key = node->finfo->hfinfo->abbrev;
+ } else if (node->finfo->rep != NULL) {
+ json_key = node->finfo->rep->representation;
+ } else {
+ json_key = "";
+ }
+
+ return json_key;
}
/* Write out a tree's data, and any child nodes, as JSON for EK */
default:
dfilter_string = fvalue_to_string_repr(NULL, &fi->value, FTREPR_DISPLAY, fi->hfinfo->display);
if (dfilter_string != NULL) {
- if (node->first_child == NULL) {
- fputs("\": \"", pdata->fh);
- print_escaped_json(pdata->fh, dfilter_string);
- } else {
- fputs("\": \"\",", pdata->fh);
- }
+ fputs("\": \"", pdata->fh);
+ print_escaped_json(pdata->fh, dfilter_string);
}
wmem_free(NULL, dfilter_string);
- if (node->first_child == NULL) {
- if (node->next == NULL) {
- fputs("\"", pdata->fh);
- } else {
- fputs("\",", pdata->fh);
- }
+ if (node->next == NULL && node->first_child == NULL) {
+ fputs("\"", pdata->fh);
+ } else {
+ fputs("\",", pdata->fh);
}
}
}
if(check_protocolfilter(pdata->filter, fi->hfinfo->abbrev) || check_protocolfilter(pdata->filter, abbrev_escaped)) {
+ gchar **_filter = NULL;
+ /* Remove protocol filter for children, if children should be included */
+ if ((pdata->filter_flags&PF_INCLUDE_CHILDREN) == PF_INCLUDE_CHILDREN) {
+ _filter = pdata->filter;
+ pdata->filter = NULL;
+ }
+
pdata->level++;
proto_tree_children_foreach(node, proto_tree_write_node_ek, pdata);
pdata->level--;
+
+ /* Put protocol filter back */
+ if ((pdata->filter_flags&PF_INCLUDE_CHILDREN) == PF_INCLUDE_CHILDREN) {
+ pdata->filter = _filter;
+ }
} else {
/* print dummy field */
fputs("\"filtered\": \"", pdata->fh);
* but we produce a 'geninfo' protocol in the PDML to conform to spec.
* The 'frame' protocol follows the 'geninfo' protocol in the PDML. */
static void
-print_pdml_geninfo(proto_tree *tree, FILE *fh)
+print_pdml_geninfo(epan_dissect_t *edt, FILE *fh)
{
guint32 num, len, caplen;
- nstime_t *timestamp;
GPtrArray *finfo_array;
field_info *frame_finfo;
gchar *tmp;
/* Get frame protocol's finfo. */
- finfo_array = proto_find_finfo(tree, proto_frame);
+ finfo_array = proto_find_first_finfo(edt->tree, proto_frame);
if (g_ptr_array_len(finfo_array) < 1) {
return;
}
frame_finfo = (field_info *)finfo_array->pdata[0];
g_ptr_array_free(finfo_array, TRUE);
- /* frame.number --> geninfo.num */
- finfo_array = proto_find_finfo(tree, hf_frame_number);
- if (g_ptr_array_len(finfo_array) < 1) {
- return;
- }
- num = fvalue_get_uinteger(&((field_info*)finfo_array->pdata[0])->value);
- g_ptr_array_free(finfo_array, TRUE);
-
- /* frame.frame_len --> geninfo.len */
- finfo_array = proto_find_finfo(tree, hf_frame_len);
- if (g_ptr_array_len(finfo_array) < 1) {
- return;
- }
- len = fvalue_get_uinteger(&((field_info*)finfo_array->pdata[0])->value);
- g_ptr_array_free(finfo_array, TRUE);
+ /* frame.number, packet_info.num */
+ num = edt->pi.num;
- /* frame.cap_len --> geninfo.caplen */
- finfo_array = proto_find_finfo(tree, hf_frame_capture_len);
- if (g_ptr_array_len(finfo_array) < 1) {
- return;
- }
- caplen = fvalue_get_uinteger(&((field_info*)finfo_array->pdata[0])->value);
- g_ptr_array_free(finfo_array, TRUE);
+ /* frame.frame_len, packet_info.frame_data->pkt_len */
+ len = edt->pi.fd->pkt_len;
- /* frame.time --> geninfo.timestamp */
- finfo_array = proto_find_finfo(tree, hf_frame_arrival_time);
- if (g_ptr_array_len(finfo_array) < 1) {
- return;
- }
- timestamp = (nstime_t *)fvalue_get(&((field_info*)finfo_array->pdata[0])->value);
- g_ptr_array_free(finfo_array, TRUE);
+ /* frame.cap_len --> packet_info.frame_data->cap_len */
+ caplen = edt->pi.fd->cap_len;
/* Print geninfo start */
fprintf(fh,
" <field name=\"caplen\" pos=\"0\" show=\"%u\" showname=\"Captured Length\" value=\"%x\" size=\"%d\"/>\n",
caplen, caplen, frame_finfo->length);
- tmp = abs_time_to_str(NULL, timestamp, ABSOLUTE_TIME_LOCAL, TRUE);
+ tmp = abs_time_to_str(NULL, &edt->pi.abs_ts, ABSOLUTE_TIME_LOCAL, TRUE);
/* Print geninfo.timestamp */
fprintf(fh,
" <field name=\"timestamp\" pos=\"0\" show=\"%s\" showname=\"Captured Time\" value=\"%d.%09d\" size=\"%d\"/>\n",
- tmp, (int) timestamp->secs, timestamp->nsecs, frame_finfo->length);
+ tmp, (int)edt->pi.abs_ts.secs, edt->pi.abs_ts.nsecs, frame_finfo->length);
wmem_free(NULL, tmp);
fputs("</pdml>\n", fh);
}
-void
-write_json_finale(FILE *fh)
-{
- fputs("]\n", fh);
-}
+
void
write_psml_preamble(column_info *cinfo, FILE *fh)
{
gint i;
- fputs("<?xml version=\"1.0\"?>\n", fh);
- fputs("<psml version=\"" PSML_VERSION "\" ", fh);
- fprintf(fh, "creator=\"%s/%s\">\n", PACKAGE, VERSION);
+ fprintf(fh, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
+ fprintf(fh, "<psml version=\"" PSML_VERSION "\" creator=\"%s/%s\">\n", PACKAGE, VERSION);
fprintf(fh, "<structure>\n");
for (i = 0; i < cinfo->num_cols; i++) {
}
void
-write_psml_columns(epan_dissect_t *edt, FILE *fh)
+write_psml_columns(epan_dissect_t *edt, FILE *fh, gboolean use_color)
{
gint i;
+ const color_filter_t *cfp = edt->pi.fd->color_filter;
- fprintf(fh, "<packet>\n");
+ if (use_color && (cfp != NULL)) {
+ fprintf(fh, "<packet foreground='#%02x%02x%02x' background='#%02x%02x%02x'>\n",
+ cfp->fg_color.red, cfp->fg_color.green, cfp->fg_color.blue,
+ cfp->bg_color.red, cfp->bg_color.green, cfp->bg_color.blue);
+ }
+ else {
+ fprintf(fh, "<packet>\n");
+ }
for (i = 0; i < edt->pi.cinfo->num_cols; i++) {
fprintf(fh, "<section>");
if (g_ascii_isprint(*p))
fputc(*p, fh);
else {
- g_snprintf(temp_str, sizeof(temp_str), "\\u00%u", (guint8)*p);
+ g_snprintf(temp_str, sizeof(temp_str), "\\u00%02x", (guint8)*p);
fputs(temp_str, fh);
}
}
}
break;
case FORMAT_JSON:
+ fputs("{\n", fh);
for(i = 0; i < fields->fields->len; ++i) {
gchar *field = (gchar *)g_ptr_array_index(fields->fields, i);
/* Output the array of (partial) field values */
for (j = 0; j < (g_ptr_array_len(fv_p)); j += 2) {
- str = (gchar *)g_ptr_array_index(fv_p, j);
+ str = (gchar *) g_ptr_array_index(fv_p, j);
if (j == 0) {
if (!first) {
if (j + 2 < (g_ptr_array_len(fv_p))) {
fputs(",", fh);
- }
- else {
+ } else {
fputs("]", fh);
-
- }
}
+ }
first = FALSE;
g_ptr_array_free(fv_p, TRUE); /* get ready for the next packet */
}
}
fputc('\n',fh);
+
+ fputs(" }", fh);
break;
case FORMAT_EK:
for(i = 0; i < fields->fields->len; ++i) {