static void
add_charstring_value(const gchar *tag_desc, proto_tree *tree, tvbuff_t *tvb,
int offset, int name_length, int value_length)
{
offset = add_value_head(tag_desc, tree, tvb, offset, name_length,
value_length, NULL);
proto_tree_add_item(tree, hf_ipp_charstring_value, tvb, offset, value_length, ENC_NA|ENC_ASCII);
}
static void
add_charstring_value(const gchar *tag_desc, proto_tree *tree, tvbuff_t *tvb,
int offset, int name_length, int value_length)
{
offset = add_value_head(tag_desc, tree, tvb, offset, name_length,
value_length, NULL);
proto_tree_add_text(tree, tvb, offset, value_length,
"Value: %s", tvb_format_text(tvb, offset, value_length));
}
static void
add_integer_value(const gchar *tag_desc, proto_tree *tree, tvbuff_t *tvb,
int offset, int name_length, int value_length, guint8 tag)
{
char *name_val = NULL;
offset = add_value_head(tag_desc, tree, tvb, offset, name_length,
value_length, &name_val);
switch (tag) {
case TAG_BOOLEAN:
if (value_length == 1) {
proto_tree_add_item(tree, hf_ipp_bool_value, tvb, offset, value_length, ENC_NA);
}
break;
case TAG_INTEGER:
case TAG_ENUM:
/* Some fields in IPP are really unix timestamps but IPP
* transports these as 4 byte integers.
* A simple heuristic to make the display of these fields
* more human readable is to assume that if the field name
* ends in '-time' then assume they are timestamps instead
* of integers.
*/
if (value_length == 4) {
if ((name_length > 5) && name_val && !strcmp(name_val+name_length-5, "-time")) {
nstime_t ns;
ns.secs=tvb_get_ntohl(tvb, offset);
ns.nsecs=0;
proto_tree_add_time(tree, hf_ipp_timestamp, tvb, offset, 4, &ns);
}
else if ((name_length > 5) && name_val && !strcmp(name_val, "printer-state")) {
proto_tree_add_item(tree, hf_ipp_printer_state, tvb, offset, value_length, ENC_BIG_ENDIAN);
}
else if ((name_length > 5) && name_val && !strcmp(name_val, "job-state")) {
proto_tree_add_item(tree, hf_ipp_job_state, tvb, offset, value_length, ENC_BIG_ENDIAN);
}
else{
proto_tree_add_item(tree, hf_ipp_uint32_value, tvb, offset, value_length, ENC_BIG_ENDIAN);
}
}
break;
}
}
static void
add_integer_value(const gchar *tag_desc, proto_tree *tree, tvbuff_t *tvb,
int offset, int name_length, int value_length, guint8 tag)
{
guint8 bool_val;
char *name_val = NULL;
offset = add_value_head(tag_desc, tree, tvb, offset, name_length,
value_length, &name_val);
switch (tag) {
case TAG_BOOLEAN:
if (value_length == 1) {
bool_val = tvb_get_guint8(tvb, offset);
proto_tree_add_text(tree, tvb, offset, value_length,
"Value: %s",
val_to_str(bool_val, bool_vals, "Unknown (0x%02x)"));
}
break;
case TAG_INTEGER:
case TAG_ENUM:
/* Some fields in IPP are really unix timestamps but IPP
* transports these as 4 byte integers.
* A simple heuristic to make the display of these fields
* more human readable is to assume that if the field name
* ends in '-time' then assume they are timestamps instead
* of integers.
*/
if (value_length == 4) {
if ((name_length > 5) && name_val && !strcmp(name_val+name_length-5, "-time")) {
nstime_t ns;
ns.secs=tvb_get_ntohl(tvb, offset);
ns.nsecs=0;
proto_tree_add_time(tree, hf_ipp_timestamp, tvb, offset, 4, &ns);
}
else if ((name_length > 5) && name_val && !strcmp(name_val, "printer-state")) {
guint32 printer_state_reason;
printer_state_reason = tvb_get_ntohl(tvb, offset);
proto_tree_add_text(tree, tvb, offset, value_length,
"Value: %s (%u)",
val_to_str(printer_state_reason, printer_state_vals,
"Unknown Printer State (0x%02x)"), printer_state_reason);
}
else if ((name_length > 5) && name_val && !strcmp(name_val, "job-state")) {
guint32 job_state_reason;
job_state_reason = tvb_get_ntohl(tvb, offset);
proto_tree_add_text(tree, tvb, offset, value_length,
"Value: %s (%u)",
val_to_str(job_state_reason, job_state_vals,
"Unknown Job State (0x%02x)"), job_state_reason);
}
else{
proto_tree_add_text(tree, tvb, offset, value_length,
"Value: %u", tvb_get_ntohl(tvb, offset));
}
}
break;
}
}