822 lines
18 KiB
C
822 lines
18 KiB
C
/*
|
|
* Wireshark - Network traffic analyzer
|
|
* By Gerald Combs <gerald@wireshark.org>
|
|
* Copyright 2001 Gerald Combs
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0-or-later
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include "ftypes-int.h"
|
|
|
|
#include <wsutil/ws_assert.h>
|
|
|
|
struct _fvalue_regex_t {
|
|
GRegex *code;
|
|
};
|
|
|
|
/* Keep track of ftype_t's via their ftenum number */
|
|
static ftype_t* type_list[FT_NUM_TYPES];
|
|
|
|
/* Initialize the ftype module. */
|
|
void
|
|
ftypes_initialize(void)
|
|
{
|
|
ftype_register_bytes();
|
|
ftype_register_double();
|
|
ftype_register_ieee_11073_float();
|
|
ftype_register_integers();
|
|
ftype_register_ipv4();
|
|
ftype_register_ipv6();
|
|
ftype_register_guid();
|
|
ftype_register_none();
|
|
ftype_register_string();
|
|
ftype_register_time();
|
|
ftype_register_tvbuff();
|
|
}
|
|
|
|
/* Each ftype_t is registered via this function */
|
|
void
|
|
ftype_register(enum ftenum ftype, ftype_t *ft)
|
|
{
|
|
/* Check input */
|
|
ws_assert(ftype < FT_NUM_TYPES);
|
|
ws_assert(ftype == ft->ftype);
|
|
|
|
/* Don't re-register. */
|
|
ws_assert(type_list[ftype] == NULL);
|
|
|
|
type_list[ftype] = ft;
|
|
}
|
|
|
|
/* Given an ftenum number, return an ftype_t* */
|
|
#define FTYPE_LOOKUP(ftype, result) \
|
|
/* Check input */ \
|
|
ws_assert(ftype < FT_NUM_TYPES); \
|
|
result = type_list[ftype];
|
|
|
|
|
|
|
|
/* from README.dissector:
|
|
Note that the formats used must all belong to the same list as defined below:
|
|
- FT_INT8, FT_INT16, FT_INT24 and FT_INT32
|
|
- FT_UINT8, FT_UINT16, FT_UINT24, FT_UINT32, FT_IPXNET and FT_FRAMENUM
|
|
- FT_UINT64 and FT_EUI64
|
|
- FT_STRING, FT_STRINGZ and FT_UINT_STRING
|
|
- FT_FLOAT and FT_DOUBLE
|
|
- FT_BYTES, FT_UINT_BYTES, FT_AX25, FT_ETHER, FT_VINES, FT_OID and FT_REL_OID
|
|
- FT_ABSOLUTE_TIME and FT_RELATIVE_TIME
|
|
*/
|
|
static enum ftenum
|
|
same_ftype(const enum ftenum ftype)
|
|
{
|
|
switch (ftype) {
|
|
case FT_INT8:
|
|
case FT_INT16:
|
|
case FT_INT24:
|
|
case FT_INT32:
|
|
return FT_INT32;
|
|
|
|
case FT_UINT8:
|
|
case FT_UINT16:
|
|
case FT_UINT24:
|
|
case FT_UINT32:
|
|
return FT_UINT32;
|
|
|
|
case FT_INT40:
|
|
case FT_INT48:
|
|
case FT_INT56:
|
|
case FT_INT64:
|
|
return FT_INT64;
|
|
|
|
case FT_UINT40:
|
|
case FT_UINT48:
|
|
case FT_UINT56:
|
|
case FT_UINT64:
|
|
return FT_UINT64;
|
|
|
|
case FT_STRING:
|
|
case FT_STRINGZ:
|
|
case FT_UINT_STRING:
|
|
return FT_STRING;
|
|
|
|
case FT_FLOAT:
|
|
case FT_DOUBLE:
|
|
return FT_DOUBLE;
|
|
|
|
case FT_BYTES:
|
|
case FT_UINT_BYTES:
|
|
return FT_BYTES;
|
|
|
|
case FT_OID:
|
|
case FT_REL_OID:
|
|
return FT_OID;
|
|
|
|
/* XXX: the folowing are unique for now */
|
|
case FT_IPv4:
|
|
case FT_IPv6:
|
|
|
|
/* everything else is unique */
|
|
default:
|
|
return ftype;
|
|
}
|
|
}
|
|
|
|
/* given two types, are they similar - for example can two
|
|
* duplicate fields be registered of these two types. */
|
|
gboolean
|
|
ftype_similar_types(const enum ftenum ftype_a, const enum ftenum ftype_b)
|
|
{
|
|
return (same_ftype(ftype_a) == same_ftype(ftype_b));
|
|
}
|
|
|
|
/* Returns a string representing the name of the type. Useful
|
|
* for glossary production. */
|
|
const char*
|
|
ftype_name(enum ftenum ftype)
|
|
{
|
|
ftype_t *ft;
|
|
|
|
FTYPE_LOOKUP(ftype, ft);
|
|
return ft->name;
|
|
}
|
|
|
|
const char*
|
|
ftype_pretty_name(enum ftenum ftype)
|
|
{
|
|
ftype_t *ft;
|
|
|
|
FTYPE_LOOKUP(ftype, ft);
|
|
return ft->pretty_name;
|
|
}
|
|
|
|
int
|
|
ftype_length(enum ftenum ftype)
|
|
{
|
|
ftype_t *ft;
|
|
|
|
FTYPE_LOOKUP(ftype, ft);
|
|
return ft->wire_size;
|
|
}
|
|
|
|
gboolean
|
|
ftype_can_slice(enum ftenum ftype)
|
|
{
|
|
ftype_t *ft;
|
|
|
|
FTYPE_LOOKUP(ftype, ft);
|
|
return ft->slice ? TRUE : FALSE;
|
|
}
|
|
|
|
gboolean
|
|
ftype_can_eq(enum ftenum ftype)
|
|
{
|
|
ftype_t *ft;
|
|
|
|
FTYPE_LOOKUP(ftype, ft);
|
|
return ft->cmp_order != NULL;
|
|
}
|
|
|
|
gboolean
|
|
ftype_can_ne(enum ftenum ftype)
|
|
{
|
|
ftype_t *ft;
|
|
|
|
FTYPE_LOOKUP(ftype, ft);
|
|
return ft->cmp_order != NULL;
|
|
}
|
|
|
|
gboolean
|
|
ftype_can_gt(enum ftenum ftype)
|
|
{
|
|
ftype_t *ft;
|
|
|
|
FTYPE_LOOKUP(ftype, ft);
|
|
return ft->cmp_order != NULL;
|
|
}
|
|
|
|
gboolean
|
|
ftype_can_ge(enum ftenum ftype)
|
|
{
|
|
ftype_t *ft;
|
|
|
|
FTYPE_LOOKUP(ftype, ft);
|
|
return ft->cmp_order != NULL;
|
|
}
|
|
|
|
gboolean
|
|
ftype_can_lt(enum ftenum ftype)
|
|
{
|
|
ftype_t *ft;
|
|
|
|
FTYPE_LOOKUP(ftype, ft);
|
|
return ft->cmp_order != NULL;
|
|
}
|
|
|
|
gboolean
|
|
ftype_can_le(enum ftenum ftype)
|
|
{
|
|
ftype_t *ft;
|
|
|
|
FTYPE_LOOKUP(ftype, ft);
|
|
return ft->cmp_order != NULL;
|
|
}
|
|
|
|
gboolean
|
|
ftype_can_bitwise_and(enum ftenum ftype)
|
|
{
|
|
ftype_t *ft;
|
|
|
|
FTYPE_LOOKUP(ftype, ft);
|
|
return ft->cmp_bitwise_and ? TRUE : FALSE;
|
|
}
|
|
|
|
gboolean
|
|
ftype_can_contains(enum ftenum ftype)
|
|
{
|
|
ftype_t *ft;
|
|
|
|
FTYPE_LOOKUP(ftype, ft);
|
|
return ft->cmp_contains ? TRUE : FALSE;
|
|
}
|
|
|
|
gboolean
|
|
ftype_can_matches(enum ftenum ftype)
|
|
{
|
|
ftype_t *ft;
|
|
|
|
FTYPE_LOOKUP(ftype, ft);
|
|
return ft->cmp_matches ? TRUE : FALSE;
|
|
}
|
|
|
|
/* ---------------------------------------------------------- */
|
|
|
|
/* Allocate and initialize an fvalue_t, given an ftype */
|
|
fvalue_t*
|
|
fvalue_new(ftenum_t ftype)
|
|
{
|
|
fvalue_t *fv;
|
|
ftype_t *ft;
|
|
FvalueNewFunc new_value;
|
|
|
|
fv = g_slice_new(fvalue_t);
|
|
|
|
FTYPE_LOOKUP(ftype, ft);
|
|
fv->ftype = ft;
|
|
|
|
new_value = ft->new_value;
|
|
if (new_value) {
|
|
new_value(fv);
|
|
}
|
|
|
|
return fv;
|
|
}
|
|
|
|
void
|
|
fvalue_init(fvalue_t *fv, ftenum_t ftype)
|
|
{
|
|
ftype_t *ft;
|
|
FvalueNewFunc new_value;
|
|
|
|
FTYPE_LOOKUP(ftype, ft);
|
|
fv->ftype = ft;
|
|
|
|
new_value = ft->new_value;
|
|
if (new_value) {
|
|
new_value(fv);
|
|
}
|
|
}
|
|
|
|
fvalue_t*
|
|
fvalue_from_unparsed(ftenum_t ftype, const char *s, gboolean allow_partial_value, gchar **err_msg)
|
|
{
|
|
fvalue_t *fv;
|
|
|
|
fv = fvalue_new(ftype);
|
|
if (fv->ftype->val_from_unparsed) {
|
|
if (fv->ftype->val_from_unparsed(fv, s, allow_partial_value, err_msg)) {
|
|
/* Success */
|
|
if (err_msg != NULL)
|
|
*err_msg = NULL;
|
|
return fv;
|
|
}
|
|
}
|
|
else {
|
|
if (err_msg != NULL) {
|
|
*err_msg = g_strdup_printf("\"%s\" cannot be converted to %s.",
|
|
s, ftype_pretty_name(ftype));
|
|
}
|
|
}
|
|
FVALUE_FREE(fv);
|
|
return NULL;
|
|
}
|
|
|
|
fvalue_t*
|
|
fvalue_from_string(ftenum_t ftype, const char *s, gchar **err_msg)
|
|
{
|
|
fvalue_t *fv;
|
|
|
|
fv = fvalue_new(ftype);
|
|
if (fv->ftype->val_from_string) {
|
|
if (fv->ftype->val_from_string(fv, s, err_msg)) {
|
|
/* Success */
|
|
if (err_msg != NULL)
|
|
*err_msg = NULL;
|
|
return fv;
|
|
}
|
|
}
|
|
else {
|
|
if (err_msg != NULL) {
|
|
*err_msg = g_strdup_printf("\"%s\" cannot be converted to %s.",
|
|
s, ftype_pretty_name(ftype));
|
|
}
|
|
}
|
|
FVALUE_FREE(fv);
|
|
return NULL;
|
|
}
|
|
|
|
ftenum_t
|
|
fvalue_type_ftenum(fvalue_t *fv)
|
|
{
|
|
return fv->ftype->ftype;
|
|
}
|
|
|
|
const char*
|
|
fvalue_type_name(fvalue_t *fv)
|
|
{
|
|
return fv->ftype->name;
|
|
}
|
|
|
|
|
|
guint
|
|
fvalue_length(fvalue_t *fv)
|
|
{
|
|
if (fv->ftype->len)
|
|
return fv->ftype->len(fv);
|
|
else
|
|
return fv->ftype->wire_size;
|
|
}
|
|
|
|
int
|
|
fvalue_string_repr_len(fvalue_t *fv, ftrepr_t rtype, int field_display)
|
|
{
|
|
ws_assert(fv->ftype->len_string_repr);
|
|
return fv->ftype->len_string_repr(fv, rtype, field_display);
|
|
}
|
|
|
|
char *
|
|
fvalue_to_string_repr(wmem_allocator_t *scope, fvalue_t *fv, ftrepr_t rtype, int field_display)
|
|
{
|
|
char *buf;
|
|
int len;
|
|
if (fv->ftype->val_to_string_repr == NULL) {
|
|
/* no value-to-string-representation function, so the value cannot be represented */
|
|
return NULL;
|
|
}
|
|
|
|
if ((len = fvalue_string_repr_len(fv, rtype, field_display)) >= 0) {
|
|
buf = (char *)wmem_alloc0(scope, len + 1);
|
|
} else {
|
|
/* the value cannot be represented in the given representation type (rtype) */
|
|
return NULL;
|
|
}
|
|
|
|
fv->ftype->val_to_string_repr(fv, rtype, field_display, buf, (unsigned int)len+1);
|
|
return buf;
|
|
}
|
|
|
|
typedef struct {
|
|
fvalue_t *fv;
|
|
GByteArray *bytes;
|
|
gboolean slice_failure;
|
|
} slice_data_t;
|
|
|
|
static void
|
|
slice_func(gpointer data, gpointer user_data)
|
|
{
|
|
drange_node *drnode = (drange_node *)data;
|
|
slice_data_t *slice_data = (slice_data_t *)user_data;
|
|
gint start_offset;
|
|
gint length = 0;
|
|
gint end_offset = 0;
|
|
guint field_length;
|
|
fvalue_t *fv;
|
|
drange_node_end_t ending;
|
|
|
|
if (slice_data->slice_failure) {
|
|
return;
|
|
}
|
|
|
|
start_offset = drange_node_get_start_offset(drnode);
|
|
ending = drange_node_get_ending(drnode);
|
|
|
|
fv = slice_data->fv;
|
|
field_length = fvalue_length(fv);
|
|
|
|
/* Check for negative start */
|
|
if (start_offset < 0) {
|
|
start_offset = field_length + start_offset;
|
|
if (start_offset < 0) {
|
|
slice_data->slice_failure = TRUE;
|
|
return;
|
|
}
|
|
}
|
|
|
|
/* Check the end type and set the length */
|
|
|
|
if (ending == DRANGE_NODE_END_T_TO_THE_END) {
|
|
length = field_length - start_offset;
|
|
if (length <= 0) {
|
|
slice_data->slice_failure = TRUE;
|
|
return;
|
|
}
|
|
}
|
|
else if (ending == DRANGE_NODE_END_T_LENGTH) {
|
|
length = drange_node_get_length(drnode);
|
|
if (start_offset + length > (int) field_length) {
|
|
slice_data->slice_failure = TRUE;
|
|
return;
|
|
}
|
|
}
|
|
else if (ending == DRANGE_NODE_END_T_OFFSET) {
|
|
end_offset = drange_node_get_end_offset(drnode);
|
|
if (end_offset < 0) {
|
|
end_offset = field_length + end_offset;
|
|
if (end_offset < start_offset) {
|
|
slice_data->slice_failure = TRUE;
|
|
return;
|
|
}
|
|
} else if (end_offset >= (int) field_length) {
|
|
slice_data->slice_failure = TRUE;
|
|
return;
|
|
}
|
|
length = end_offset - start_offset + 1;
|
|
}
|
|
else {
|
|
ws_assert_not_reached();
|
|
}
|
|
|
|
ws_assert(start_offset >=0 && length > 0);
|
|
fv->ftype->slice(fv, slice_data->bytes, start_offset, length);
|
|
}
|
|
|
|
|
|
/* Returns a new FT_BYTES fvalue_t* if possible, otherwise NULL */
|
|
fvalue_t*
|
|
fvalue_slice(fvalue_t *fv, drange_t *d_range)
|
|
{
|
|
slice_data_t slice_data;
|
|
fvalue_t *new_fv;
|
|
|
|
slice_data.fv = fv;
|
|
slice_data.bytes = g_byte_array_new();
|
|
slice_data.slice_failure = FALSE;
|
|
|
|
/* XXX - We could make some optimizations here based on
|
|
* drange_has_total_length() and
|
|
* drange_get_max_offset().
|
|
*/
|
|
|
|
drange_foreach_drange_node(d_range, slice_func, &slice_data);
|
|
|
|
new_fv = fvalue_new(FT_BYTES);
|
|
fvalue_set_byte_array(new_fv, slice_data.bytes);
|
|
return new_fv;
|
|
}
|
|
|
|
|
|
void
|
|
fvalue_set_byte_array(fvalue_t *fv, GByteArray *value)
|
|
{
|
|
ws_assert(fv->ftype->ftype == FT_BYTES ||
|
|
fv->ftype->ftype == FT_UINT_BYTES ||
|
|
fv->ftype->ftype == FT_OID ||
|
|
fv->ftype->ftype == FT_REL_OID ||
|
|
fv->ftype->ftype == FT_SYSTEM_ID);
|
|
ws_assert(fv->ftype->set_value.set_value_byte_array);
|
|
fv->ftype->set_value.set_value_byte_array(fv, value);
|
|
}
|
|
|
|
void
|
|
fvalue_set_bytes(fvalue_t *fv, const guint8 *value)
|
|
{
|
|
ws_assert(fv->ftype->ftype == FT_AX25 ||
|
|
fv->ftype->ftype == FT_VINES ||
|
|
fv->ftype->ftype == FT_ETHER ||
|
|
fv->ftype->ftype == FT_FCWWN ||
|
|
fv->ftype->ftype == FT_IPv6);
|
|
ws_assert(fv->ftype->set_value.set_value_bytes);
|
|
fv->ftype->set_value.set_value_bytes(fv, value);
|
|
}
|
|
|
|
void
|
|
fvalue_set_guid(fvalue_t *fv, const e_guid_t *value)
|
|
{
|
|
ws_assert(fv->ftype->ftype == FT_GUID);
|
|
ws_assert(fv->ftype->set_value.set_value_guid);
|
|
fv->ftype->set_value.set_value_guid(fv, value);
|
|
}
|
|
|
|
void
|
|
fvalue_set_time(fvalue_t *fv, const nstime_t *value)
|
|
{
|
|
ws_assert(IS_FT_TIME(fv->ftype->ftype));
|
|
ws_assert(fv->ftype->set_value.set_value_time);
|
|
fv->ftype->set_value.set_value_time(fv, value);
|
|
}
|
|
|
|
void
|
|
fvalue_set_string(fvalue_t *fv, const gchar *value)
|
|
{
|
|
ws_assert(IS_FT_STRING(fv->ftype->ftype) ||
|
|
fv->ftype->ftype == FT_UINT_STRING);
|
|
ws_assert(fv->ftype->set_value.set_value_string);
|
|
fv->ftype->set_value.set_value_string(fv, value);
|
|
}
|
|
|
|
void
|
|
fvalue_set_protocol(fvalue_t *fv, tvbuff_t *value, const gchar *name)
|
|
{
|
|
ws_assert(fv->ftype->ftype == FT_PROTOCOL);
|
|
ws_assert(fv->ftype->set_value.set_value_protocol);
|
|
fv->ftype->set_value.set_value_protocol(fv, value, name);
|
|
}
|
|
|
|
void
|
|
fvalue_set_uinteger(fvalue_t *fv, guint32 value)
|
|
{
|
|
ws_assert(fv->ftype->ftype == FT_IEEE_11073_SFLOAT ||
|
|
fv->ftype->ftype == FT_IEEE_11073_FLOAT ||
|
|
fv->ftype->ftype == FT_CHAR ||
|
|
fv->ftype->ftype == FT_UINT8 ||
|
|
fv->ftype->ftype == FT_UINT16 ||
|
|
fv->ftype->ftype == FT_UINT24 ||
|
|
fv->ftype->ftype == FT_UINT32 ||
|
|
fv->ftype->ftype == FT_IPXNET ||
|
|
fv->ftype->ftype == FT_FRAMENUM ||
|
|
fv->ftype->ftype == FT_IPv4);
|
|
ws_assert(fv->ftype->set_value.set_value_uinteger);
|
|
fv->ftype->set_value.set_value_uinteger(fv, value);
|
|
}
|
|
|
|
void
|
|
fvalue_set_sinteger(fvalue_t *fv, gint32 value)
|
|
{
|
|
ws_assert(fv->ftype->ftype == FT_INT8 ||
|
|
fv->ftype->ftype == FT_INT16 ||
|
|
fv->ftype->ftype == FT_INT24 ||
|
|
fv->ftype->ftype == FT_INT32);
|
|
ws_assert(fv->ftype->set_value.set_value_sinteger);
|
|
fv->ftype->set_value.set_value_sinteger(fv, value);
|
|
}
|
|
|
|
void
|
|
fvalue_set_uinteger64(fvalue_t *fv, guint64 value)
|
|
{
|
|
ws_assert(fv->ftype->ftype == FT_UINT40 ||
|
|
fv->ftype->ftype == FT_UINT48 ||
|
|
fv->ftype->ftype == FT_UINT56 ||
|
|
fv->ftype->ftype == FT_UINT64 ||
|
|
fv->ftype->ftype == FT_BOOLEAN ||
|
|
fv->ftype->ftype == FT_EUI64);
|
|
ws_assert(fv->ftype->set_value.set_value_uinteger64);
|
|
fv->ftype->set_value.set_value_uinteger64(fv, value);
|
|
}
|
|
|
|
void
|
|
fvalue_set_sinteger64(fvalue_t *fv, gint64 value)
|
|
{
|
|
ws_assert(fv->ftype->ftype == FT_INT40 ||
|
|
fv->ftype->ftype == FT_INT48 ||
|
|
fv->ftype->ftype == FT_INT56 ||
|
|
fv->ftype->ftype == FT_INT64);
|
|
ws_assert(fv->ftype->set_value.set_value_sinteger64);
|
|
fv->ftype->set_value.set_value_sinteger64(fv, value);
|
|
}
|
|
|
|
void
|
|
fvalue_set_floating(fvalue_t *fv, gdouble value)
|
|
{
|
|
ws_assert(fv->ftype->ftype == FT_FLOAT ||
|
|
fv->ftype->ftype == FT_DOUBLE);
|
|
ws_assert(fv->ftype->set_value.set_value_floating);
|
|
fv->ftype->set_value.set_value_floating(fv, value);
|
|
}
|
|
|
|
|
|
gpointer
|
|
fvalue_get(fvalue_t *fv)
|
|
{
|
|
ws_assert(fv->ftype->ftype == FT_BYTES ||
|
|
fv->ftype->ftype == FT_UINT_BYTES ||
|
|
fv->ftype->ftype == FT_AX25 ||
|
|
fv->ftype->ftype == FT_VINES ||
|
|
fv->ftype->ftype == FT_ETHER ||
|
|
fv->ftype->ftype == FT_OID ||
|
|
fv->ftype->ftype == FT_REL_OID ||
|
|
fv->ftype->ftype == FT_SYSTEM_ID ||
|
|
fv->ftype->ftype == FT_FCWWN ||
|
|
fv->ftype->ftype == FT_GUID ||
|
|
fv->ftype->ftype == FT_IPv6 ||
|
|
fv->ftype->ftype == FT_PROTOCOL ||
|
|
IS_FT_STRING(fv->ftype->ftype) ||
|
|
fv->ftype->ftype == FT_UINT_STRING ||
|
|
IS_FT_TIME(fv->ftype->ftype));
|
|
ws_assert(fv->ftype->get_value.get_value_ptr);
|
|
return fv->ftype->get_value.get_value_ptr(fv);
|
|
}
|
|
|
|
guint32
|
|
fvalue_get_uinteger(fvalue_t *fv)
|
|
{
|
|
ws_assert(fv->ftype->ftype == FT_IEEE_11073_SFLOAT ||
|
|
fv->ftype->ftype == FT_IEEE_11073_FLOAT ||
|
|
fv->ftype->ftype == FT_CHAR ||
|
|
fv->ftype->ftype == FT_UINT8 ||
|
|
fv->ftype->ftype == FT_UINT16 ||
|
|
fv->ftype->ftype == FT_UINT24 ||
|
|
fv->ftype->ftype == FT_UINT32 ||
|
|
fv->ftype->ftype == FT_IPXNET ||
|
|
fv->ftype->ftype == FT_FRAMENUM ||
|
|
fv->ftype->ftype == FT_IPv4);
|
|
ws_assert(fv->ftype->get_value.get_value_uinteger);
|
|
return fv->ftype->get_value.get_value_uinteger(fv);
|
|
}
|
|
|
|
gint32
|
|
fvalue_get_sinteger(fvalue_t *fv)
|
|
{
|
|
ws_assert(fv->ftype->ftype == FT_INT8 ||
|
|
fv->ftype->ftype == FT_INT16 ||
|
|
fv->ftype->ftype == FT_INT24 ||
|
|
fv->ftype->ftype == FT_INT32);
|
|
ws_assert(fv->ftype->get_value.get_value_sinteger);
|
|
return fv->ftype->get_value.get_value_sinteger(fv);
|
|
}
|
|
|
|
guint64
|
|
fvalue_get_uinteger64(fvalue_t *fv)
|
|
{
|
|
ws_assert(fv->ftype->ftype == FT_UINT40 ||
|
|
fv->ftype->ftype == FT_UINT48 ||
|
|
fv->ftype->ftype == FT_UINT56 ||
|
|
fv->ftype->ftype == FT_UINT64 ||
|
|
fv->ftype->ftype == FT_BOOLEAN ||
|
|
fv->ftype->ftype == FT_EUI64);
|
|
ws_assert(fv->ftype->get_value.get_value_uinteger64);
|
|
return fv->ftype->get_value.get_value_uinteger64(fv);
|
|
}
|
|
|
|
gint64
|
|
fvalue_get_sinteger64(fvalue_t *fv)
|
|
{
|
|
ws_assert(fv->ftype->ftype == FT_INT40 ||
|
|
fv->ftype->ftype == FT_INT48 ||
|
|
fv->ftype->ftype == FT_INT56 ||
|
|
fv->ftype->ftype == FT_INT64);
|
|
ws_assert(fv->ftype->get_value.get_value_sinteger64);
|
|
return fv->ftype->get_value.get_value_sinteger64(fv);
|
|
}
|
|
|
|
double
|
|
fvalue_get_floating(fvalue_t *fv)
|
|
{
|
|
ws_assert(fv->ftype->ftype == FT_FLOAT ||
|
|
fv->ftype->ftype == FT_DOUBLE);
|
|
ws_assert(fv->ftype->get_value.get_value_floating);
|
|
return fv->ftype->get_value.get_value_floating(fv);
|
|
}
|
|
|
|
static inline int
|
|
_fvalue_cmp(const fvalue_t *a, const fvalue_t *b)
|
|
{
|
|
/* XXX - check compatibility of a and b */
|
|
ws_assert(a->ftype->cmp_order);
|
|
return a->ftype->cmp_order(a, b);
|
|
}
|
|
|
|
gboolean
|
|
fvalue_eq(const fvalue_t *a, const fvalue_t *b)
|
|
{
|
|
return _fvalue_cmp(a, b) == 0;
|
|
}
|
|
|
|
gboolean
|
|
fvalue_ne(const fvalue_t *a, const fvalue_t *b)
|
|
{
|
|
return _fvalue_cmp(a, b) != 0;
|
|
}
|
|
|
|
gboolean
|
|
fvalue_gt(const fvalue_t *a, const fvalue_t *b)
|
|
{
|
|
return _fvalue_cmp(a, b) > 0;
|
|
}
|
|
|
|
gboolean
|
|
fvalue_ge(const fvalue_t *a, const fvalue_t *b)
|
|
{
|
|
return _fvalue_cmp(a, b) >= 0;
|
|
}
|
|
|
|
gboolean
|
|
fvalue_lt(const fvalue_t *a, const fvalue_t *b)
|
|
{
|
|
return _fvalue_cmp(a, b) < 0;
|
|
}
|
|
|
|
gboolean
|
|
fvalue_le(const fvalue_t *a, const fvalue_t *b)
|
|
{
|
|
return _fvalue_cmp(a, b) <= 0;
|
|
}
|
|
|
|
gboolean
|
|
fvalue_bitwise_and(const fvalue_t *a, const fvalue_t *b)
|
|
{
|
|
/* XXX - check compatibility of a and b */
|
|
ws_assert(a->ftype->cmp_bitwise_and);
|
|
return a->ftype->cmp_bitwise_and(a, b);
|
|
}
|
|
|
|
gboolean
|
|
fvalue_contains(const fvalue_t *a, const fvalue_t *b)
|
|
{
|
|
/* XXX - check compatibility of a and b */
|
|
ws_assert(a->ftype->cmp_contains);
|
|
return a->ftype->cmp_contains(a, b);
|
|
}
|
|
|
|
gboolean
|
|
fvalue_matches(const fvalue_t *a, const fvalue_regex_t *b)
|
|
{
|
|
/* XXX - check compatibility of a and b */
|
|
ws_assert(a->ftype->cmp_matches);
|
|
return a->ftype->cmp_matches(a, b);
|
|
}
|
|
|
|
fvalue_regex_t *
|
|
fvalue_regex_compile(const char *patt, char **errmsg)
|
|
{
|
|
GError *regex_error = NULL;
|
|
GRegex *pcre;
|
|
|
|
/*
|
|
* As a string is not guaranteed to contain valid UTF-8,
|
|
* we have to disable support for UTF-8 patterns and treat
|
|
* every pattern and subject as raw bytes.
|
|
*
|
|
* Should support for UTF-8 patterns be necessary, then we
|
|
* should compile a pattern without G_REGEX_RAW. Additionally,
|
|
* we MUST use g_utf8_validate() before calling g_regex_match_full()
|
|
* or risk crashes.
|
|
*/
|
|
GRegexCompileFlags cflags = G_REGEX_CASELESS | G_REGEX_OPTIMIZE | G_REGEX_RAW;
|
|
|
|
pcre = g_regex_new(patt, cflags, 0, ®ex_error);
|
|
|
|
if (regex_error) {
|
|
*errmsg = g_strdup(regex_error->message);
|
|
g_error_free(regex_error);
|
|
return NULL;
|
|
}
|
|
|
|
struct _fvalue_regex_t *re = g_new(struct _fvalue_regex_t, 1);
|
|
re->code = pcre;
|
|
|
|
return re;
|
|
}
|
|
|
|
gboolean
|
|
fvalue_regex_matches(const fvalue_regex_t *regex, const char *subj, gssize subj_size)
|
|
{
|
|
return g_regex_match_full(regex->code, subj, subj_size, 0, 0, NULL, NULL);
|
|
}
|
|
|
|
void
|
|
fvalue_regex_free(fvalue_regex_t *regex)
|
|
{
|
|
g_regex_unref(regex->code);
|
|
g_free(regex);
|
|
}
|
|
|
|
const char *
|
|
fvalue_regex_pattern(const fvalue_regex_t *regex)
|
|
{
|
|
return g_regex_get_pattern(regex->code);
|
|
}
|
|
|
|
/*
|
|
* Editor modelines - https://www.wireshark.org/tools/modelines.html
|
|
*
|
|
* Local variables:
|
|
* c-basic-offset: 8
|
|
* tab-width: 8
|
|
* indent-tabs-mode: t
|
|
* End:
|
|
*
|
|
* vi: set shiftwidth=8 tabstop=8 noexpandtab:
|
|
* :indentSize=8:tabSize=8:noTabs=false:
|
|
*/
|