tor-android/external/badvpn_dns/generated/bproto_addr.h

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2015-01-25 11:08:34 +00:00
/*
DO NOT EDIT THIS FILE!
This file was automatically generated by the bproto generator.
*/
#include <stdint.h>
#include <string.h>
#include <misc/debug.h>
#include <misc/byteorder.h>
#include <bproto/BProto.h>
#define addr_SIZEtype (sizeof(struct BProto_header_s) + sizeof(struct BProto_uint8_s))
#define addr_SIZEip_port (sizeof(struct BProto_header_s) + sizeof(struct BProto_data_header_s) + (2))
#define addr_SIZEipv4_addr (sizeof(struct BProto_header_s) + sizeof(struct BProto_data_header_s) + (4))
#define addr_SIZEipv6_addr (sizeof(struct BProto_header_s) + sizeof(struct BProto_data_header_s) + (16))
typedef struct {
uint8_t *out;
int used;
int type_count;
int ip_port_count;
int ipv4_addr_count;
int ipv6_addr_count;
} addrWriter;
static void addrWriter_Init (addrWriter *o, uint8_t *out);
static int addrWriter_Finish (addrWriter *o);
static void addrWriter_Addtype (addrWriter *o, uint8_t v);
static uint8_t * addrWriter_Addip_port (addrWriter *o);
static uint8_t * addrWriter_Addipv4_addr (addrWriter *o);
static uint8_t * addrWriter_Addipv6_addr (addrWriter *o);
typedef struct {
uint8_t *buf;
int buf_len;
int type_start;
int type_span;
int type_pos;
int ip_port_start;
int ip_port_span;
int ip_port_pos;
int ipv4_addr_start;
int ipv4_addr_span;
int ipv4_addr_pos;
int ipv6_addr_start;
int ipv6_addr_span;
int ipv6_addr_pos;
} addrParser;
static int addrParser_Init (addrParser *o, uint8_t *buf, int buf_len);
static int addrParser_GotEverything (addrParser *o);
static int addrParser_Gettype (addrParser *o, uint8_t *v);
static void addrParser_Resettype (addrParser *o);
static void addrParser_Forwardtype (addrParser *o);
static int addrParser_Getip_port (addrParser *o, uint8_t **data);
static void addrParser_Resetip_port (addrParser *o);
static void addrParser_Forwardip_port (addrParser *o);
static int addrParser_Getipv4_addr (addrParser *o, uint8_t **data);
static void addrParser_Resetipv4_addr (addrParser *o);
static void addrParser_Forwardipv4_addr (addrParser *o);
static int addrParser_Getipv6_addr (addrParser *o, uint8_t **data);
static void addrParser_Resetipv6_addr (addrParser *o);
static void addrParser_Forwardipv6_addr (addrParser *o);
void addrWriter_Init (addrWriter *o, uint8_t *out)
{
o->out = out;
o->used = 0;
o->type_count = 0;
o->ip_port_count = 0;
o->ipv4_addr_count = 0;
o->ipv6_addr_count = 0;
}
int addrWriter_Finish (addrWriter *o)
{
ASSERT(o->used >= 0)
ASSERT(o->type_count == 1)
ASSERT(o->ip_port_count >= 0 && o->ip_port_count <= 1)
ASSERT(o->ipv4_addr_count >= 0 && o->ipv4_addr_count <= 1)
ASSERT(o->ipv6_addr_count >= 0 && o->ipv6_addr_count <= 1)
return o->used;
}
void addrWriter_Addtype (addrWriter *o, uint8_t v)
{
ASSERT(o->used >= 0)
ASSERT(o->type_count == 0)
struct BProto_header_s header;
header.id = htol16(1);
header.type = htol16(BPROTO_TYPE_UINT8);
memcpy(o->out + o->used, &header, sizeof(header));
o->used += sizeof(struct BProto_header_s);
struct BProto_uint8_s data;
data.v = htol8(v);
memcpy(o->out + o->used, &data, sizeof(data));
o->used += sizeof(struct BProto_uint8_s);
o->type_count++;
}
uint8_t * addrWriter_Addip_port (addrWriter *o)
{
ASSERT(o->used >= 0)
ASSERT(o->ip_port_count == 0)
struct BProto_header_s header;
header.id = htol16(2);
header.type = htol16(BPROTO_TYPE_CONSTDATA);
memcpy(o->out + o->used, &header, sizeof(header));
o->used += sizeof(struct BProto_header_s);
struct BProto_data_header_s data;
data.len = htol32(2);
memcpy(o->out + o->used, &data, sizeof(data));
o->used += sizeof(struct BProto_data_header_s);
uint8_t *dest = (o->out + o->used);
o->used += (2);
o->ip_port_count++;
return dest;
}
uint8_t * addrWriter_Addipv4_addr (addrWriter *o)
{
ASSERT(o->used >= 0)
ASSERT(o->ipv4_addr_count == 0)
struct BProto_header_s header;
header.id = htol16(3);
header.type = htol16(BPROTO_TYPE_CONSTDATA);
memcpy(o->out + o->used, &header, sizeof(header));
o->used += sizeof(struct BProto_header_s);
struct BProto_data_header_s data;
data.len = htol32(4);
memcpy(o->out + o->used, &data, sizeof(data));
o->used += sizeof(struct BProto_data_header_s);
uint8_t *dest = (o->out + o->used);
o->used += (4);
o->ipv4_addr_count++;
return dest;
}
uint8_t * addrWriter_Addipv6_addr (addrWriter *o)
{
ASSERT(o->used >= 0)
ASSERT(o->ipv6_addr_count == 0)
struct BProto_header_s header;
header.id = htol16(4);
header.type = htol16(BPROTO_TYPE_CONSTDATA);
memcpy(o->out + o->used, &header, sizeof(header));
o->used += sizeof(struct BProto_header_s);
struct BProto_data_header_s data;
data.len = htol32(16);
memcpy(o->out + o->used, &data, sizeof(data));
o->used += sizeof(struct BProto_data_header_s);
uint8_t *dest = (o->out + o->used);
o->used += (16);
o->ipv6_addr_count++;
return dest;
}
int addrParser_Init (addrParser *o, uint8_t *buf, int buf_len)
{
ASSERT(buf_len >= 0)
o->buf = buf;
o->buf_len = buf_len;
o->type_start = o->buf_len;
o->type_span = 0;
o->type_pos = 0;
o->ip_port_start = o->buf_len;
o->ip_port_span = 0;
o->ip_port_pos = 0;
o->ipv4_addr_start = o->buf_len;
o->ipv4_addr_span = 0;
o->ipv4_addr_pos = 0;
o->ipv6_addr_start = o->buf_len;
o->ipv6_addr_span = 0;
o->ipv6_addr_pos = 0;
int type_count = 0;
int ip_port_count = 0;
int ipv4_addr_count = 0;
int ipv6_addr_count = 0;
int pos = 0;
int left = o->buf_len;
while (left > 0) {
int entry_pos = pos;
if (!(left >= sizeof(struct BProto_header_s))) {
return 0;
}
struct BProto_header_s header;
memcpy(&header, o->buf + pos, sizeof(header));
pos += sizeof(struct BProto_header_s);
left -= sizeof(struct BProto_header_s);
uint16_t type = ltoh16(header.type);
uint16_t id = ltoh16(header.id);
switch (type) {
case BPROTO_TYPE_UINT8: {
if (!(left >= sizeof(struct BProto_uint8_s))) {
return 0;
}
pos += sizeof(struct BProto_uint8_s);
left -= sizeof(struct BProto_uint8_s);
switch (id) {
case 1:
if (o->type_start == o->buf_len) {
o->type_start = entry_pos;
}
o->type_span = pos - o->type_start;
type_count++;
break;
default:
return 0;
}
} break;
case BPROTO_TYPE_UINT16: {
if (!(left >= sizeof(struct BProto_uint16_s))) {
return 0;
}
pos += sizeof(struct BProto_uint16_s);
left -= sizeof(struct BProto_uint16_s);
switch (id) {
default:
return 0;
}
} break;
case BPROTO_TYPE_UINT32: {
if (!(left >= sizeof(struct BProto_uint32_s))) {
return 0;
}
pos += sizeof(struct BProto_uint32_s);
left -= sizeof(struct BProto_uint32_s);
switch (id) {
default:
return 0;
}
} break;
case BPROTO_TYPE_UINT64: {
if (!(left >= sizeof(struct BProto_uint64_s))) {
return 0;
}
pos += sizeof(struct BProto_uint64_s);
left -= sizeof(struct BProto_uint64_s);
switch (id) {
default:
return 0;
}
} break;
case BPROTO_TYPE_DATA:
case BPROTO_TYPE_CONSTDATA:
{
if (!(left >= sizeof(struct BProto_data_header_s))) {
return 0;
}
struct BProto_data_header_s val;
memcpy(&val, o->buf + pos, sizeof(val));
pos += sizeof(struct BProto_data_header_s);
left -= sizeof(struct BProto_data_header_s);
uint32_t payload_len = ltoh32(val.len);
if (!(left >= payload_len)) {
return 0;
}
pos += payload_len;
left -= payload_len;
switch (id) {
case 2:
if (!(type == BPROTO_TYPE_CONSTDATA)) {
return 0;
}
if (!(payload_len == (2))) {
return 0;
}
if (o->ip_port_start == o->buf_len) {
o->ip_port_start = entry_pos;
}
o->ip_port_span = pos - o->ip_port_start;
ip_port_count++;
break;
case 3:
if (!(type == BPROTO_TYPE_CONSTDATA)) {
return 0;
}
if (!(payload_len == (4))) {
return 0;
}
if (o->ipv4_addr_start == o->buf_len) {
o->ipv4_addr_start = entry_pos;
}
o->ipv4_addr_span = pos - o->ipv4_addr_start;
ipv4_addr_count++;
break;
case 4:
if (!(type == BPROTO_TYPE_CONSTDATA)) {
return 0;
}
if (!(payload_len == (16))) {
return 0;
}
if (o->ipv6_addr_start == o->buf_len) {
o->ipv6_addr_start = entry_pos;
}
o->ipv6_addr_span = pos - o->ipv6_addr_start;
ipv6_addr_count++;
break;
default:
return 0;
}
} break;
default:
return 0;
}
}
if (!(type_count == 1)) {
return 0;
}
if (!(ip_port_count <= 1)) {
return 0;
}
if (!(ipv4_addr_count <= 1)) {
return 0;
}
if (!(ipv6_addr_count <= 1)) {
return 0;
}
return 1;
}
int addrParser_GotEverything (addrParser *o)
{
return (
o->type_pos == o->type_span
&&
o->ip_port_pos == o->ip_port_span
&&
o->ipv4_addr_pos == o->ipv4_addr_span
&&
o->ipv6_addr_pos == o->ipv6_addr_span
);
}
int addrParser_Gettype (addrParser *o, uint8_t *v)
{
ASSERT(o->type_pos >= 0)
ASSERT(o->type_pos <= o->type_span)
int left = o->type_span - o->type_pos;
while (left > 0) {
ASSERT(left >= sizeof(struct BProto_header_s))
struct BProto_header_s header;
memcpy(&header, o->buf + o->type_start + o->type_pos, sizeof(header));
o->type_pos += sizeof(struct BProto_header_s);
left -= sizeof(struct BProto_header_s);
uint16_t type = ltoh16(header.type);
uint16_t id = ltoh16(header.id);
switch (type) {
case BPROTO_TYPE_UINT8: {
ASSERT(left >= sizeof(struct BProto_uint8_s))
struct BProto_uint8_s val;
memcpy(&val, o->buf + o->type_start + o->type_pos, sizeof(val));
o->type_pos += sizeof(struct BProto_uint8_s);
left -= sizeof(struct BProto_uint8_s);
if (id == 1) {
*v = ltoh8(val.v);
return 1;
}
} break;
case BPROTO_TYPE_UINT16: {
ASSERT(left >= sizeof(struct BProto_uint16_s))
o->type_pos += sizeof(struct BProto_uint16_s);
left -= sizeof(struct BProto_uint16_s);
} break;
case BPROTO_TYPE_UINT32: {
ASSERT(left >= sizeof(struct BProto_uint32_s))
o->type_pos += sizeof(struct BProto_uint32_s);
left -= sizeof(struct BProto_uint32_s);
} break;
case BPROTO_TYPE_UINT64: {
ASSERT(left >= sizeof(struct BProto_uint64_s))
o->type_pos += sizeof(struct BProto_uint64_s);
left -= sizeof(struct BProto_uint64_s);
} break;
case BPROTO_TYPE_DATA:
case BPROTO_TYPE_CONSTDATA:
{
ASSERT(left >= sizeof(struct BProto_data_header_s))
struct BProto_data_header_s val;
memcpy(&val, o->buf + o->type_start + o->type_pos, sizeof(val));
o->type_pos += sizeof(struct BProto_data_header_s);
left -= sizeof(struct BProto_data_header_s);
uint32_t payload_len = ltoh32(val.len);
ASSERT(left >= payload_len)
o->type_pos += payload_len;
left -= payload_len;
} break;
default:
ASSERT(0);
}
}
return 0;
}
void addrParser_Resettype (addrParser *o)
{
o->type_pos = 0;
}
void addrParser_Forwardtype (addrParser *o)
{
o->type_pos = o->type_span;
}
int addrParser_Getip_port (addrParser *o, uint8_t **data)
{
ASSERT(o->ip_port_pos >= 0)
ASSERT(o->ip_port_pos <= o->ip_port_span)
int left = o->ip_port_span - o->ip_port_pos;
while (left > 0) {
ASSERT(left >= sizeof(struct BProto_header_s))
struct BProto_header_s header;
memcpy(&header, o->buf + o->ip_port_start + o->ip_port_pos, sizeof(header));
o->ip_port_pos += sizeof(struct BProto_header_s);
left -= sizeof(struct BProto_header_s);
uint16_t type = ltoh16(header.type);
uint16_t id = ltoh16(header.id);
switch (type) {
case BPROTO_TYPE_UINT8: {
ASSERT(left >= sizeof(struct BProto_uint8_s))
o->ip_port_pos += sizeof(struct BProto_uint8_s);
left -= sizeof(struct BProto_uint8_s);
} break;
case BPROTO_TYPE_UINT16: {
ASSERT(left >= sizeof(struct BProto_uint16_s))
o->ip_port_pos += sizeof(struct BProto_uint16_s);
left -= sizeof(struct BProto_uint16_s);
} break;
case BPROTO_TYPE_UINT32: {
ASSERT(left >= sizeof(struct BProto_uint32_s))
o->ip_port_pos += sizeof(struct BProto_uint32_s);
left -= sizeof(struct BProto_uint32_s);
} break;
case BPROTO_TYPE_UINT64: {
ASSERT(left >= sizeof(struct BProto_uint64_s))
o->ip_port_pos += sizeof(struct BProto_uint64_s);
left -= sizeof(struct BProto_uint64_s);
} break;
case BPROTO_TYPE_DATA:
case BPROTO_TYPE_CONSTDATA:
{
ASSERT(left >= sizeof(struct BProto_data_header_s))
struct BProto_data_header_s val;
memcpy(&val, o->buf + o->ip_port_start + o->ip_port_pos, sizeof(val));
o->ip_port_pos += sizeof(struct BProto_data_header_s);
left -= sizeof(struct BProto_data_header_s);
uint32_t payload_len = ltoh32(val.len);
ASSERT(left >= payload_len)
uint8_t *payload = o->buf + o->ip_port_start + o->ip_port_pos;
o->ip_port_pos += payload_len;
left -= payload_len;
if (type == BPROTO_TYPE_CONSTDATA && id == 2) {
*data = payload;
return 1;
}
} break;
default:
ASSERT(0);
}
}
return 0;
}
void addrParser_Resetip_port (addrParser *o)
{
o->ip_port_pos = 0;
}
void addrParser_Forwardip_port (addrParser *o)
{
o->ip_port_pos = o->ip_port_span;
}
int addrParser_Getipv4_addr (addrParser *o, uint8_t **data)
{
ASSERT(o->ipv4_addr_pos >= 0)
ASSERT(o->ipv4_addr_pos <= o->ipv4_addr_span)
int left = o->ipv4_addr_span - o->ipv4_addr_pos;
while (left > 0) {
ASSERT(left >= sizeof(struct BProto_header_s))
struct BProto_header_s header;
memcpy(&header, o->buf + o->ipv4_addr_start + o->ipv4_addr_pos, sizeof(header));
o->ipv4_addr_pos += sizeof(struct BProto_header_s);
left -= sizeof(struct BProto_header_s);
uint16_t type = ltoh16(header.type);
uint16_t id = ltoh16(header.id);
switch (type) {
case BPROTO_TYPE_UINT8: {
ASSERT(left >= sizeof(struct BProto_uint8_s))
o->ipv4_addr_pos += sizeof(struct BProto_uint8_s);
left -= sizeof(struct BProto_uint8_s);
} break;
case BPROTO_TYPE_UINT16: {
ASSERT(left >= sizeof(struct BProto_uint16_s))
o->ipv4_addr_pos += sizeof(struct BProto_uint16_s);
left -= sizeof(struct BProto_uint16_s);
} break;
case BPROTO_TYPE_UINT32: {
ASSERT(left >= sizeof(struct BProto_uint32_s))
o->ipv4_addr_pos += sizeof(struct BProto_uint32_s);
left -= sizeof(struct BProto_uint32_s);
} break;
case BPROTO_TYPE_UINT64: {
ASSERT(left >= sizeof(struct BProto_uint64_s))
o->ipv4_addr_pos += sizeof(struct BProto_uint64_s);
left -= sizeof(struct BProto_uint64_s);
} break;
case BPROTO_TYPE_DATA:
case BPROTO_TYPE_CONSTDATA:
{
ASSERT(left >= sizeof(struct BProto_data_header_s))
struct BProto_data_header_s val;
memcpy(&val, o->buf + o->ipv4_addr_start + o->ipv4_addr_pos, sizeof(val));
o->ipv4_addr_pos += sizeof(struct BProto_data_header_s);
left -= sizeof(struct BProto_data_header_s);
uint32_t payload_len = ltoh32(val.len);
ASSERT(left >= payload_len)
uint8_t *payload = o->buf + o->ipv4_addr_start + o->ipv4_addr_pos;
o->ipv4_addr_pos += payload_len;
left -= payload_len;
if (type == BPROTO_TYPE_CONSTDATA && id == 3) {
*data = payload;
return 1;
}
} break;
default:
ASSERT(0);
}
}
return 0;
}
void addrParser_Resetipv4_addr (addrParser *o)
{
o->ipv4_addr_pos = 0;
}
void addrParser_Forwardipv4_addr (addrParser *o)
{
o->ipv4_addr_pos = o->ipv4_addr_span;
}
int addrParser_Getipv6_addr (addrParser *o, uint8_t **data)
{
ASSERT(o->ipv6_addr_pos >= 0)
ASSERT(o->ipv6_addr_pos <= o->ipv6_addr_span)
int left = o->ipv6_addr_span - o->ipv6_addr_pos;
while (left > 0) {
ASSERT(left >= sizeof(struct BProto_header_s))
struct BProto_header_s header;
memcpy(&header, o->buf + o->ipv6_addr_start + o->ipv6_addr_pos, sizeof(header));
o->ipv6_addr_pos += sizeof(struct BProto_header_s);
left -= sizeof(struct BProto_header_s);
uint16_t type = ltoh16(header.type);
uint16_t id = ltoh16(header.id);
switch (type) {
case BPROTO_TYPE_UINT8: {
ASSERT(left >= sizeof(struct BProto_uint8_s))
o->ipv6_addr_pos += sizeof(struct BProto_uint8_s);
left -= sizeof(struct BProto_uint8_s);
} break;
case BPROTO_TYPE_UINT16: {
ASSERT(left >= sizeof(struct BProto_uint16_s))
o->ipv6_addr_pos += sizeof(struct BProto_uint16_s);
left -= sizeof(struct BProto_uint16_s);
} break;
case BPROTO_TYPE_UINT32: {
ASSERT(left >= sizeof(struct BProto_uint32_s))
o->ipv6_addr_pos += sizeof(struct BProto_uint32_s);
left -= sizeof(struct BProto_uint32_s);
} break;
case BPROTO_TYPE_UINT64: {
ASSERT(left >= sizeof(struct BProto_uint64_s))
o->ipv6_addr_pos += sizeof(struct BProto_uint64_s);
left -= sizeof(struct BProto_uint64_s);
} break;
case BPROTO_TYPE_DATA:
case BPROTO_TYPE_CONSTDATA:
{
ASSERT(left >= sizeof(struct BProto_data_header_s))
struct BProto_data_header_s val;
memcpy(&val, o->buf + o->ipv6_addr_start + o->ipv6_addr_pos, sizeof(val));
o->ipv6_addr_pos += sizeof(struct BProto_data_header_s);
left -= sizeof(struct BProto_data_header_s);
uint32_t payload_len = ltoh32(val.len);
ASSERT(left >= payload_len)
uint8_t *payload = o->buf + o->ipv6_addr_start + o->ipv6_addr_pos;
o->ipv6_addr_pos += payload_len;
left -= payload_len;
if (type == BPROTO_TYPE_CONSTDATA && id == 4) {
*data = payload;
return 1;
}
} break;
default:
ASSERT(0);
}
}
return 0;
}
void addrParser_Resetipv6_addr (addrParser *o)
{
o->ipv6_addr_pos = 0;
}
void addrParser_Forwardipv6_addr (addrParser *o)
{
o->ipv6_addr_pos = o->ipv6_addr_span;
}