/* Reads a field from the proto_tree and loads the fvalues into a register,
* if that field has not already been read. */
static gboolean
read_tree(dfilter_t *df, proto_tree *tree, header_field_info *hfinfo, int reg)
{
GPtrArray *finfos;
field_info *finfo;
int i, len;
GList *fvalues = NULL;
gboolean found_something = FALSE;
/* Already loaded in this run of the dfilter? */
if (df->attempted_load[reg]) {
if (df->registers[reg]) {
return TRUE;
}
else {
return FALSE;
}
}
df->attempted_load[reg] = TRUE;
while (hfinfo) {
finfos = proto_get_finfo_ptr_array(tree, hfinfo->id);
if (!finfos) {
hfinfo = hfinfo->same_name_next;
continue;
}
else if (g_ptr_array_len(finfos) == 0) {
hfinfo = hfinfo->same_name_next;
continue;
}
else {
found_something = TRUE;
}
len = finfos->len;
for (i = 0; i < len; i++) {
finfo = g_ptr_array_index(finfos, i);
fvalues = g_list_prepend(fvalues, &finfo->value);
}
hfinfo = hfinfo->same_name_next;
}
if (!found_something) {
return FALSE;
}
df->registers[reg] = fvalues;
return TRUE;
}
static void
pppdump_close(wtap *wth)
{
pppdump_t *state;
state = (pppdump_t *)wth->priv;
if (state->seek_state) { /* should always be TRUE */
g_free(state->seek_state);
}
if (state->pids) {
unsigned int i;
for (i = 0; i < g_ptr_array_len(state->pids); i++) {
g_free(g_ptr_array_index(state->pids, i));
}
g_ptr_array_free(state->pids, TRUE);
}
}
/* Print info for a 'geninfo' pseudo-protocol. This is required by
* the PDML spec. The information is contained in Wireshark's 'frame' protocol,
* 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)
{
guint32 num, len, caplen;
nstime_t *timestamp;
GPtrArray *finfo_array;
field_info *frame_finfo;
/* Get frame protocol's finfo. */
finfo_array = proto_find_finfo(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.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.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);
/* Print geninfo start */
fprintf(fh,
" <proto name=\"geninfo\" pos=\"0\" showname=\"General information\" size=\"%u\">\n",
frame_finfo->length);
/* Print geninfo.num */
fprintf(fh,
" <field name=\"num\" pos=\"0\" show=\"%u\" showname=\"Number\" value=\"%x\" size=\"%u\"/>\n",
num, num, frame_finfo->length);
/* Print geninfo.len */
fprintf(fh,
" <field name=\"len\" pos=\"0\" show=\"%u\" showname=\"Frame Length\" value=\"%x\" size=\"%u\"/>\n",
len, len, frame_finfo->length);
/* Print geninfo.caplen */
fprintf(fh,
" <field name=\"caplen\" pos=\"0\" show=\"%u\" showname=\"Captured Length\" value=\"%x\" size=\"%u\"/>\n",
caplen, caplen, frame_finfo->length);
/* Print geninfo.timestamp */
fprintf(fh,
" <field name=\"timestamp\" pos=\"0\" show=\"%s\" showname=\"Captured Time\" value=\"%d.%09d\" size=\"%u\"/>\n",
abs_time_to_str(timestamp, ABSOLUTE_TIME_LOCAL, TRUE), (int) timestamp->secs, timestamp->nsecs, frame_finfo->length);
/* Print geninfo end */
fprintf(fh,
" </proto>\n");
}
