kdxcxs
/
n2n
mirror of https://github.com/ntop/n2n.git
1
0
Fork 0
Code Issues Releases Wiki Activity
Browse Source

readability code clean-up (#544)

pull/554/head
Francesco Carli 4 years ago
committed by GitHub
parent
30a1ff9313
commit
24b2f2762f
No known key found for this signature in database GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 385 additions and 340 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 124
      include/n2n_wire.h
  2. 391
      src/wire.c

124
include/n2n_wire.h
View File

@ -35,183 +35,183 @@
#include "sn_selection.h"
int encode_uint8( uint8_t * base,
int encode_uint8 (uint8_t * base,
size_t * idx,
const uint8_t v );
const uint8_t v);
int decode_uint8( uint8_t * out,
int decode_uint8 (uint8_t * out,
const uint8_t * base,
size_t * rem,
size_t * idx );
size_t * idx);
int encode_uint16( uint8_t * base,
int encode_uint16 (uint8_t * base,
size_t * idx,
const uint16_t v );
const uint16_t v);
int decode_uint16( uint16_t * out,
int decode_uint16 (uint16_t * out,
const uint8_t * base,
size_t * rem,
size_t * idx );
size_t * idx);
int encode_uint32( uint8_t * base,
int encode_uint32 (uint8_t * base,
size_t * idx,
const uint32_t v );
const uint32_t v);
int decode_uint32( uint32_t * out,
int decode_uint32 (uint32_t * out,
const uint8_t * base,
size_t * rem,
size_t * idx );
size_t * idx);
int encode_uint64( uint8_t * base,
int encode_uint64 (uint8_t * base,
size_t * idx,
const uint64_t v );
const uint64_t v);
int decode_uint64( uint64_t * out,
int decode_uint64 (uint64_t * out,
const uint8_t * base,
size_t * rem,
size_t * idx );
size_t * idx);
int encode_buf( uint8_t * base,
int encode_buf (uint8_t * base,
size_t * idx,
const void * p,
size_t s);
int decode_buf( uint8_t * out,
int decode_buf (uint8_t * out,
size_t bufsize,
const uint8_t * base,
size_t * rem,
size_t * idx );
size_t * idx);
int encode_mac( uint8_t * base,
int encode_mac (uint8_t * base,
size_t * idx,
const n2n_mac_t m );
const n2n_mac_t m);
int decode_mac( uint8_t * out, /* of size N2N_MAC_SIZE. This clearer than passing a n2n_mac_t */
int decode_mac (uint8_t * out, /* of size N2N_MAC_SIZE. This clearer than passing a n2n_mac_t */
const uint8_t * base,
size_t * rem,
size_t * idx );
size_t * idx);
int encode_common( uint8_t * base,
int encode_common (uint8_t * base,
size_t * idx,
const n2n_common_t * common );
const n2n_common_t * common);
int decode_common( n2n_common_t * out,
int decode_common (n2n_common_t * out,
const uint8_t * base,
size_t * rem,
size_t * idx );
size_t * idx);
int encode_sock( uint8_t * base,
int encode_sock (uint8_t * base,
size_t * idx,
const n2n_sock_t * sock );
const n2n_sock_t * sock);
int decode_sock( n2n_sock_t * sock,
int decode_sock (n2n_sock_t * sock,
const uint8_t * base,
size_t * rem,
size_t * idx );
size_t * idx);
int encode_REGISTER( uint8_t * base,
int encode_REGISTER (uint8_t * base,
size_t * idx,
const n2n_common_t * common,
const n2n_REGISTER_t * reg );
const n2n_REGISTER_t * reg);
int decode_REGISTER( n2n_REGISTER_t * pkt,
int decode_REGISTER (n2n_REGISTER_t * pkt,
const n2n_common_t * cmn, /* info on how to interpret it */
const uint8_t * base,
size_t * rem,
size_t * idx );
size_t * idx);
int encode_REGISTER_SUPER( uint8_t * base,
int encode_REGISTER_SUPER (uint8_t * base,
size_t * idx,
const n2n_common_t * common,
const n2n_REGISTER_SUPER_t * reg );
const n2n_REGISTER_SUPER_t * reg);
int decode_REGISTER_SUPER( n2n_REGISTER_SUPER_t * pkt,
int decode_REGISTER_SUPER (n2n_REGISTER_SUPER_t * pkt,
const n2n_common_t * cmn, /* info on how to interpret it */
const uint8_t * base,
size_t * rem,
size_t * idx );
size_t * idx);
int encode_UNREGISTER_SUPER(uint8_t *base,
int encode_UNREGISTER_SUPER (uint8_t *base,
size_t *idx,
const n2n_common_t *common,
const n2n_UNREGISTER_SUPER_t *unreg);
int decode_UNREGISTER_SUPER(n2n_UNREGISTER_SUPER_t *unreg,
int decode_UNREGISTER_SUPER (n2n_UNREGISTER_SUPER_t *unreg,
const n2n_common_t *cmn, /* info on how to interpret it */
const uint8_t *base,
size_t *rem,
size_t *idx);
int encode_REGISTER_ACK( uint8_t * base,
int encode_REGISTER_ACK (uint8_t * base,
size_t * idx,
const n2n_common_t * common,
const n2n_REGISTER_ACK_t * reg );
const n2n_REGISTER_ACK_t * reg);
int decode_REGISTER_ACK( n2n_REGISTER_ACK_t * pkt,
int decode_REGISTER_ACK (n2n_REGISTER_ACK_t * pkt,
const n2n_common_t * cmn, /* info on how to interpret it */
const uint8_t * base,
size_t * rem,
size_t * idx );
size_t * idx);
int encode_REGISTER_SUPER_ACK( uint8_t * base,
int encode_REGISTER_SUPER_ACK (uint8_t * base,
size_t * idx,
const n2n_common_t * cmn,
const n2n_REGISTER_SUPER_ACK_t * reg,
uint8_t * tmpbuf);
int decode_REGISTER_SUPER_ACK( n2n_REGISTER_SUPER_ACK_t * reg,
int decode_REGISTER_SUPER_ACK (n2n_REGISTER_SUPER_ACK_t * reg,
const n2n_common_t * cmn, /* info on how to interpret it */
const uint8_t * base,
size_t * rem,
size_t * idx,
uint8_t * tmpbuf);
int encode_REGISTER_SUPER_NAK( uint8_t * base,
int encode_REGISTER_SUPER_NAK (uint8_t * base,
size_t * idx,
const n2n_common_t * cmn,
const n2n_REGISTER_SUPER_NAK_t * nak);
int decode_REGISTER_SUPER_NAK( n2n_REGISTER_SUPER_NAK_t * nak,
int decode_REGISTER_SUPER_NAK (n2n_REGISTER_SUPER_NAK_t * nak,
const n2n_common_t * cmn, /* info on how to interpret it */
const uint8_t * base,
size_t * rem,
size_t * idx);
int fill_sockaddr( struct sockaddr * addr,
int fill_sockaddr (struct sockaddr * addr,
size_t addrlen,
const n2n_sock_t * sock );
const n2n_sock_t * sock);
int encode_PACKET( uint8_t * base,
int encode_PACKET (uint8_t * base,
size_t * idx,
const n2n_common_t * common,
const n2n_PACKET_t * pkt );
const n2n_PACKET_t * pkt);
int decode_PACKET( n2n_PACKET_t * pkt,
int decode_PACKET (n2n_PACKET_t * pkt,
const n2n_common_t * cmn, /* info on how to interpret it */
const uint8_t * base,
size_t * rem,
size_t * idx );
size_t * idx);
int encode_PEER_INFO( uint8_t * base,
int encode_PEER_INFO (uint8_t * base,
size_t * idx,
const n2n_common_t * common,
const n2n_PEER_INFO_t * pkt);
int decode_PEER_INFO( n2n_PEER_INFO_t * pkt,
int decode_PEER_INFO (n2n_PEER_INFO_t * pkt,
const n2n_common_t * cmn, /* info on how to interpret it */
const uint8_t * base,
size_t * rem,
size_t * idx );
size_t * idx);
int encode_QUERY_PEER( uint8_t * base,
int encode_QUERY_PEER (uint8_t * base,
size_t * idx,
const n2n_common_t * common,
const n2n_QUERY_PEER_t * pkt );
const n2n_QUERY_PEER_t * pkt);
int decode_QUERY_PEER( n2n_QUERY_PEER_t * pkt,
int decode_QUERY_PEER (n2n_QUERY_PEER_t * pkt,
const n2n_common_t * cmn, /* info on how to interpret it */
const uint8_t * base,
size_t * rem,
size_t * idx );
size_t * idx);
#endif /* #if !defined( N2N_WIRE_H_ ) */

391
src/wire.c
View File

@ -29,70 +29,81 @@
#include "n2n.h"
int encode_uint8( uint8_t * base,
int encode_uint8 (uint8_t * base,
size_t * idx,
const uint8_t v )
{
const uint8_t v) {
*(base + (*idx)) = (v & 0xff);
++(*idx);
return 1;
}
int decode_uint8( uint8_t * out,
int decode_uint8 (uint8_t * out,
const uint8_t * base,
size_t * rem,
size_t * idx )
{
if (*rem < 1 ) { return 0; }
size_t * idx) {
if(*rem < 1) {
return 0;
}
*out = ( base[*idx] & 0xff );
++(*idx);
--(*rem);
return 1;
}
int encode_uint16( uint8_t * base,
int encode_uint16 (uint8_t * base,
size_t * idx,
const uint16_t v )
{
const uint16_t v) {
*(base + (*idx)) = ( v >> 8) & 0xff;
*(base + (1 + *idx)) = ( v & 0xff );
*idx += 2;
return 2;
}
int decode_uint16( uint16_t * out,
int decode_uint16 (uint16_t * out,
const uint8_t * base,
size_t * rem,
size_t * idx )
{
if (*rem < 2 ) { return 0; }
size_t * idx) {
if (*rem < 2) {
return 0;
}
*out = ( base[*idx] & 0xff ) << 8;
*out |= ( base[1 + *idx] & 0xff );
*idx += 2;
*rem -= 2;
return 2;
}
int encode_uint32( uint8_t * base,
int encode_uint32 (uint8_t * base,
size_t * idx,
const uint32_t v )
{
const uint32_t v) {
*(base + (0 + *idx)) = ( v >> 24) & 0xff;
*(base + (1 + *idx)) = ( v >> 16) & 0xff;
*(base + (2 + *idx)) = ( v >> 8) & 0xff;
*(base + (3 + *idx)) = ( v & 0xff );
*idx += 4;
return 4;
}
int decode_uint32( uint32_t * out,
int decode_uint32 (uint32_t * out,
const uint8_t * base,
size_t * rem,
size_t * idx )
{
if (*rem < 4 ) { return 0; }
size_t * idx) {
if (*rem < 4) {
return 0;
}
*out = ( base[0 + *idx] & 0xff ) << 24;
*out |= ( base[1 + *idx] & 0xff ) << 16;
@ -100,190 +111,199 @@ int decode_uint32( uint32_t * out,
*out |= ( base[3 + *idx] & 0xff );
*idx += 4;
*rem -= 4;
return 4;
}
int encode_uint64( uint8_t * base,
int encode_uint64 (uint8_t * base,
size_t * idx,
const uint64_t v )
{
const uint64_t v) {
*(uint64_t*)(base + *idx) = htobe64(v);
*idx += 8;
return 8;
}
int decode_uint64( uint64_t * out,
int decode_uint64 (uint64_t * out,
const uint8_t * base,
size_t * rem,
size_t * idx )
{
if (*rem < 8 ) { return 0; }
size_t * idx) {
if (*rem < 8) {
return 0;
}
*out = be64toh(*(uint64_t*)base + *idx);
*idx += 8;
*rem -= 8;
return 8;
}
int encode_buf( uint8_t * base,
int encode_buf (uint8_t * base,
size_t * idx,
const void * p,
size_t s)
{
memcpy( (base + (*idx)), p, s );
size_t s) {
memcpy((base + (*idx)), p, s);
*idx += s;
return s;
}
/* Copy from base to out of size bufsize */
int decode_buf( uint8_t * out,
int decode_buf (uint8_t * out,
size_t bufsize,
const uint8_t * base,
size_t * rem,
size_t * idx )
{
if (*rem < bufsize ) { return 0; }
size_t * idx) {
if (*rem < bufsize) {
return 0;
}
memcpy( out, (base + *idx), bufsize );
memcpy(out, (base + *idx), bufsize);
*idx += bufsize;
*rem -= bufsize;
return bufsize;
}
int encode_mac( uint8_t * base,
int encode_mac (uint8_t * base,
size_t * idx,
const n2n_mac_t m )
{
return encode_buf( base, idx, m, N2N_MAC_SIZE );
const n2n_mac_t m) {
return encode_buf(base, idx, m, N2N_MAC_SIZE);
}
int decode_mac( uint8_t * out, /* of size N2N_MAC_SIZE. This clearer than passing a n2n_mac_t */
int decode_mac (uint8_t * out, /* of size N2N_MAC_SIZE. This clearer than passing a n2n_mac_t */
const uint8_t * base,
size_t * rem,
size_t * idx )
{
return decode_buf( out, N2N_MAC_SIZE, base, rem, idx );
size_t * idx) {
return decode_buf(out, N2N_MAC_SIZE, base, rem, idx);
}
int encode_common( uint8_t * base,
int encode_common (uint8_t * base,
size_t * idx,
const n2n_common_t * common )
{
uint16_t flags=0;
encode_uint8( base, idx, N2N_PKT_VERSION );
encode_uint8( base, idx, common->ttl );
const n2n_common_t * common) {
uint16_t flags = 0;
encode_uint8(base, idx, N2N_PKT_VERSION);
encode_uint8(base, idx, common->ttl);
flags = common->pc & N2N_FLAGS_TYPE_MASK;
flags |= common->flags & N2N_FLAGS_BITS_MASK;
encode_uint16( base, idx, flags );
encode_buf( base, idx, common->community, N2N_COMMUNITY_SIZE );
encode_uint16(base, idx, flags);
encode_buf(base, idx, common->community, N2N_COMMUNITY_SIZE);
return -1;
}
int decode_common( n2n_common_t * out,
int decode_common (n2n_common_t * out,
const uint8_t * base,
size_t * rem,
size_t * idx )
{
size_t idx0=*idx;
uint8_t dummy=0;
decode_uint8( &dummy, base, rem, idx );
if ( N2N_PKT_VERSION != dummy )
{
size_t * idx) {
size_t idx0 = *idx;
uint8_t dummy = 0;
decode_uint8(&dummy, base, rem, idx);
if (N2N_PKT_VERSION != dummy) {
return -1;
}
decode_uint8( &(out->ttl), base, rem, idx );
decode_uint16( &(out->flags), base, rem, idx );
decode_uint8(&(out->ttl), base, rem, idx);
decode_uint16(&(out->flags), base, rem, idx);
out->pc = ( out->flags & N2N_FLAGS_TYPE_MASK );
out->flags &= N2N_FLAGS_BITS_MASK;
decode_buf( out->community, N2N_COMMUNITY_SIZE, base, rem, idx );
decode_buf(out->community, N2N_COMMUNITY_SIZE, base, rem, idx);
return (*idx - idx0);
}
int encode_sock( uint8_t * base,
int encode_sock (uint8_t * base,
size_t * idx,
const n2n_sock_t * sock )
{
int retval=0;
const n2n_sock_t * sock) {
int retval = 0;
uint16_t f;
switch (sock->family)
{
case AF_INET:
{
switch(sock->family) {
case AF_INET: {
f = 0;
retval += encode_uint16(base,idx,f);
retval += encode_uint16(base,idx,sock->port);
retval += encode_buf(base,idx,sock->addr.v4,IPV4_SIZE);
retval += encode_uint16(base, idx, f);
retval += encode_uint16(base, idx, sock->port);
retval += encode_buf(base, idx, sock->addr.v4, IPV4_SIZE);
break;
}
case AF_INET6:
{
case AF_INET6: {
f = 0x8000;
retval += encode_uint16(base,idx,f);
retval += encode_uint16(base,idx,sock->port);
retval += encode_buf(base,idx,sock->addr.v6,IPV6_SIZE);
retval += encode_uint16(base, idx, f);
retval += encode_uint16(base, idx, sock->port);
retval += encode_buf(base, idx, sock->addr.v6, IPV6_SIZE);
break;
}
default:
retval=-1;
retval = -1;
}
return retval;
}
int decode_sock( n2n_sock_t * sock,
int decode_sock (n2n_sock_t * sock,
const uint8_t * base,
size_t * rem,
size_t * idx )
{
size_t * idx0=idx;
uint16_t f=0;
size_t * idx) {
size_t * idx0 = idx;
uint16_t f = 0;
decode_uint16(&f, base, rem, idx);
decode_uint16( &f, base, rem, idx );
if(f & 0x8000) {
if( f & 0x8000 )
{
/* IPv6 */
sock->family = AF_INET6;
decode_uint16( &(sock->port), base, rem, idx );
decode_buf( sock->addr.v6, IPV6_SIZE, base, rem, idx );
}
else
{
decode_uint16(&(sock->port), base, rem, idx);
decode_buf(sock->addr.v6, IPV6_SIZE, base, rem, idx);
} else {
/* IPv4 */
sock->family = AF_INET;
decode_uint16( &(sock->port), base, rem, idx );
memset( sock->addr.v6, 0, IPV6_SIZE ); /* so memcmp() works for equality. */
decode_buf( sock->addr.v4, IPV4_SIZE, base, rem, idx );
decode_uint16(&(sock->port), base, rem, idx);
memset(sock->addr.v6, 0, IPV6_SIZE); /* so memcmp() works for equality. */
decode_buf(sock->addr.v4, IPV4_SIZE, base, rem, idx);
}
return (idx-idx0);
}
int encode_REGISTER(uint8_t *base,
int encode_REGISTER (uint8_t *base,
size_t *idx,
const n2n_common_t *common,
const n2n_REGISTER_t *reg) {
int retval = 0;
retval += encode_common(base, idx, common);
retval += encode_buf(base, idx, reg->cookie, N2N_COOKIE_SIZE);
retval += encode_mac(base, idx, reg->srcMac);
retval += encode_mac(base, idx, reg->dstMac);
if (0 != reg->sock.family) {
if(0 != reg->sock.family) {
retval += encode_sock(base, idx, &(reg->sock));
}
retval += encode_uint32(base, idx, reg->dev_addr.net_addr);
@ -294,18 +314,19 @@ int encode_REGISTER(uint8_t *base,
}
int decode_REGISTER(n2n_REGISTER_t *reg,
int decode_REGISTER (n2n_REGISTER_t *reg,
const n2n_common_t *cmn, /* info on how to interpret it */
const uint8_t *base,
size_t *rem,
size_t *idx) {
size_t retval = 0;
memset(reg, 0, sizeof(n2n_REGISTER_t));
retval += decode_buf(reg->cookie, N2N_COOKIE_SIZE, base, rem, idx);
retval += decode_mac(reg->srcMac, base, rem, idx);
retval += decode_mac(reg->dstMac, base, rem, idx);
if (cmn->flags & N2N_FLAGS_SOCKET) {
if(cmn->flags & N2N_FLAGS_SOCKET) {
retval += decode_sock(&(reg->sock), base, rem, idx);
}
retval += decode_uint32(&(reg->dev_addr.net_addr), base, rem, idx);
@ -316,15 +337,17 @@ int decode_REGISTER(n2n_REGISTER_t *reg,
}
int encode_REGISTER_SUPER(uint8_t *base,
int encode_REGISTER_SUPER (uint8_t *base,
size_t *idx,
const n2n_common_t *common,
const n2n_REGISTER_SUPER_t *reg) {
int retval = 0;
retval += encode_common(base, idx, common);
retval += encode_buf(base, idx, reg->cookie, N2N_COOKIE_SIZE);
retval += encode_mac(base, idx, reg->edgeMac);
if (0 != reg->sock.family) {
if(0 != reg->sock.family) {
retval += encode_sock(base, idx, &(reg->sock));
}
retval += encode_uint32(base, idx, reg->dev_addr.net_addr);
@ -338,16 +361,18 @@ int encode_REGISTER_SUPER(uint8_t *base,
}
int decode_REGISTER_SUPER(n2n_REGISTER_SUPER_t *reg,
int decode_REGISTER_SUPER (n2n_REGISTER_SUPER_t *reg,
const n2n_common_t *cmn, /* info on how to interpret it */
const uint8_t *base,
size_t *rem,
size_t *idx) {
size_t retval = 0;
memset(reg, 0, sizeof(n2n_REGISTER_SUPER_t));
retval += decode_buf(reg->cookie, N2N_COOKIE_SIZE, base, rem, idx);
retval += decode_mac(reg->edgeMac, base, rem, idx);
if (cmn->flags & N2N_FLAGS_SOCKET) {
if(cmn->flags & N2N_FLAGS_SOCKET) {
retval += decode_sock(&(reg->sock), base, rem, idx);
}
retval += decode_uint32(&(reg->dev_addr.net_addr), base, rem, idx);
@ -356,15 +381,18 @@ int decode_REGISTER_SUPER(n2n_REGISTER_SUPER_t *reg,
retval += decode_uint16(&(reg->auth.scheme), base, rem, idx);
retval += decode_uint16(&(reg->auth.toksize), base, rem, idx);
retval += decode_buf(reg->auth.token, reg->auth.toksize, base, rem, idx);
return retval;
}
int encode_UNREGISTER_SUPER(uint8_t *base,
int encode_UNREGISTER_SUPER (uint8_t *base,
size_t *idx,
const n2n_common_t *common,
const n2n_UNREGISTER_SUPER_t *unreg){
const n2n_UNREGISTER_SUPER_t *unreg) {
int retval = 0;
retval += encode_common(base, idx, common);
retval += encode_uint16(base, idx, unreg->auth.scheme);
retval += encode_uint16(base, idx, unreg->auth.toksize);
@ -375,13 +403,15 @@ int encode_UNREGISTER_SUPER(uint8_t *base,
}
int decode_UNREGISTER_SUPER(n2n_UNREGISTER_SUPER_t *unreg,
int decode_UNREGISTER_SUPER (n2n_UNREGISTER_SUPER_t *unreg,
const n2n_common_t *cmn, /* info on how to interpret it */
const uint8_t *base,
size_t *rem,
size_t *idx){
size_t *idx) {
size_t retval = 0;
memset(unreg, 0, sizeof(n2n_UNREGISTER_SUPER_t));
retval += decode_uint16(&(unreg->auth.scheme), base, rem, idx);
retval += decode_uint16(&(unreg->auth.toksize), base, rem, idx);
retval += decode_buf(unreg->auth.token, unreg->auth.toksize, base, rem, idx);
@ -391,11 +421,13 @@ int decode_UNREGISTER_SUPER(n2n_UNREGISTER_SUPER_t *unreg,
}
int encode_REGISTER_ACK(uint8_t *base,
int encode_REGISTER_ACK (uint8_t *base,
size_t *idx,
const n2n_common_t *common,
const n2n_REGISTER_ACK_t *reg) {
int retval = 0;
retval += encode_common(base, idx, common);
retval += encode_buf(base, idx, reg->cookie, N2N_COOKIE_SIZE);
retval += encode_mac(base, idx, reg->dstMac);
@ -404,7 +436,7 @@ int encode_REGISTER_ACK(uint8_t *base,
/* The socket in REGISTER_ACK is the socket from which the REGISTER
* arrived. This is sent back to the sender so it knows what its public
* socket is. */
if (0 != reg->sock.family) {
if(0 != reg->sock.family) {
retval += encode_sock(base, idx, &(reg->sock));
}
@ -412,13 +444,15 @@ int encode_REGISTER_ACK(uint8_t *base,
}
int decode_REGISTER_ACK(n2n_REGISTER_ACK_t *reg,
int decode_REGISTER_ACK (n2n_REGISTER_ACK_t *reg,
const n2n_common_t *cmn, /* info on how to interpret it */
const uint8_t *base,
size_t *rem,
size_t *idx) {
size_t retval = 0;
memset(reg, 0, sizeof(n2n_REGISTER_ACK_t));
retval += decode_buf(reg->cookie, N2N_COOKIE_SIZE, base, rem, idx);
retval += decode_mac(reg->dstMac, base, rem, idx);
retval += decode_mac(reg->srcMac, base, rem, idx);
@ -426,7 +460,7 @@ int decode_REGISTER_ACK(n2n_REGISTER_ACK_t *reg,
/* The socket in REGISTER_ACK is the socket from which the REGISTER
* arrived. This is sent back to the sender so it knows what its public
* socket is. */
if (cmn->flags & N2N_FLAGS_SOCKET) {
if(cmn->flags & N2N_FLAGS_SOCKET) {
retval += decode_sock(&(reg->sock), base, rem, idx);
}
@ -434,12 +468,14 @@ int decode_REGISTER_ACK(n2n_REGISTER_ACK_t *reg,
}
int encode_REGISTER_SUPER_ACK(uint8_t *base,
int encode_REGISTER_SUPER_ACK (uint8_t *base,
size_t *idx,
const n2n_common_t *common,
const n2n_REGISTER_SUPER_ACK_t *reg,
uint8_t *tmpbuf) {
int retval = 0;
retval += encode_common(base, idx, common);
retval += encode_buf(base, idx, reg->cookie, N2N_COOKIE_SIZE);
retval += encode_mac(base, idx, reg->edgeMac);
@ -454,15 +490,16 @@ int encode_REGISTER_SUPER_ACK(uint8_t *base,
}
int decode_REGISTER_SUPER_ACK(n2n_REGISTER_SUPER_ACK_t *reg,
int decode_REGISTER_SUPER_ACK (n2n_REGISTER_SUPER_ACK_t *reg,
const n2n_common_t *cmn, /* info on how to interpret it */
const uint8_t *base,
size_t *rem,
size_t *idx,
uint8_t *tmpbuf) {
size_t retval = 0;
size_t retval = 0;
memset(reg, 0, sizeof(n2n_REGISTER_SUPER_ACK_t));
retval += decode_buf(reg->cookie, N2N_COOKIE_SIZE, base, rem, idx);
retval += decode_mac(reg->edgeMac, base, rem, idx);
retval += decode_uint32(&(reg->dev_addr.net_addr), base, rem, idx);
@ -480,11 +517,13 @@ int decode_REGISTER_SUPER_ACK(n2n_REGISTER_SUPER_ACK_t *reg,
}
int encode_REGISTER_SUPER_NAK(uint8_t *base,
int encode_REGISTER_SUPER_NAK (uint8_t *base,
size_t *idx,
const n2n_common_t *common,
const n2n_REGISTER_SUPER_NAK_t *nak) {
int retval = 0;
retval += encode_common(base, idx, common);
retval += encode_buf(base, idx, nak->cookie, N2N_COOKIE_SIZE);
retval += encode_mac(base, idx, nak->srcMac);
@ -493,13 +532,15 @@ int encode_REGISTER_SUPER_NAK(uint8_t *base,
}
int decode_REGISTER_SUPER_NAK(n2n_REGISTER_SUPER_NAK_t *nak,
int decode_REGISTER_SUPER_NAK (n2n_REGISTER_SUPER_NAK_t *nak,
const n2n_common_t *cmn, /* info on how to interpret it */
const uint8_t *base,
size_t *rem,
size_t *idx) {
size_t retval = 0;
memset(nak, 0, sizeof(n2n_REGISTER_SUPER_NAK_t));
retval += decode_buf(nak->cookie, N2N_COOKIE_SIZE, base, rem, idx);
retval += decode_mac(nak->srcMac, base, rem, idx);
@ -507,21 +548,19 @@ int decode_REGISTER_SUPER_NAK(n2n_REGISTER_SUPER_NAK_t *nak,
}
int fill_sockaddr( struct sockaddr * addr,
int fill_sockaddr (struct sockaddr * addr,
size_t addrlen,
const n2n_sock_t * sock )
{
int retval=-1;
if ( AF_INET == sock->family )
{
if ( addrlen >= sizeof(struct sockaddr_in) )
{
const n2n_sock_t * sock) {
int retval = -1;
if(AF_INET == sock->family) {
if(addrlen >= sizeof(struct sockaddr_in)) {
struct sockaddr_in * si = (struct sockaddr_in *)addr;
si->sin_family = sock->family;
si->sin_port = htons( sock->port );
memcpy( &(si->sin_addr.s_addr), sock->addr.v4, IPV4_SIZE );
retval=0;
si->sin_port = htons(sock->port);
memcpy(&(si->sin_addr.s_addr), sock->addr.v4, IPV4_SIZE);
retval = 0;
}
}
@ -529,54 +568,56 @@ int fill_sockaddr( struct sockaddr * addr,
}
int encode_PACKET( uint8_t * base,
int encode_PACKET (uint8_t * base,
size_t * idx,
const n2n_common_t * common,
const n2n_PACKET_t * pkt )
{
int retval=0;
retval += encode_common( base, idx, common );
retval += encode_mac( base, idx, pkt->srcMac );
retval += encode_mac( base, idx, pkt->dstMac );
if ( 0 != pkt->sock.family )
{
retval += encode_sock( base, idx, &(pkt->sock) );
const n2n_PACKET_t * pkt) {
int retval = 0;
retval += encode_common(base, idx, common);
retval += encode_mac(base, idx, pkt->srcMac);
retval += encode_mac(base, idx, pkt->dstMac);
if(0 != pkt->sock.family) {
retval += encode_sock(base, idx, &(pkt->sock));
}
retval += encode_uint8( base, idx, pkt->compression );
retval += encode_uint8( base, idx, pkt->transform );
retval += encode_uint8(base, idx, pkt->compression);
retval += encode_uint8(base, idx, pkt->transform);
return retval;
}
int decode_PACKET( n2n_PACKET_t * pkt,
int decode_PACKET (n2n_PACKET_t * pkt,
const n2n_common_t * cmn, /* info on how to interpret it */
const uint8_t * base,
size_t * rem,
size_t * idx )
{
size_t retval=0;
memset( pkt, 0, sizeof(n2n_PACKET_t) );
retval += decode_mac( pkt->srcMac, base, rem, idx );
retval += decode_mac( pkt->dstMac, base, rem, idx );
if ( cmn->flags & N2N_FLAGS_SOCKET )
{
retval += decode_sock( &(pkt->sock), base, rem, idx );
size_t * idx) {
size_t retval = 0;
memset(pkt, 0, sizeof(n2n_PACKET_t));
retval += decode_mac(pkt->srcMac, base, rem, idx);
retval += decode_mac(pkt->dstMac, base, rem, idx);
if(cmn->flags & N2N_FLAGS_SOCKET) {
retval += decode_sock(&(pkt->sock), base, rem, idx);
}
retval += decode_uint8( &(pkt->compression), base, rem, idx );
retval += decode_uint8( &(pkt->transform), base, rem, idx );
retval += decode_uint8(&(pkt->compression), base, rem, idx);
retval += decode_uint8(&(pkt->transform), base, rem, idx);
return retval;
}
int encode_PEER_INFO(uint8_t *base,
int encode_PEER_INFO (uint8_t *base,
size_t *idx,
const n2n_common_t *common,
const n2n_PEER_INFO_t *pkt) {
int retval = 0;
retval += encode_common(base, idx, common);
retval += encode_uint16(base, idx, pkt->aflags);
retval += encode_mac(base, idx, pkt->srcMac);
@ -588,13 +629,15 @@ int encode_PEER_INFO(uint8_t *base,
}
int decode_PEER_INFO(n2n_PEER_INFO_t *pkt,
int decode_PEER_INFO (n2n_PEER_INFO_t *pkt,
const n2n_common_t *cmn, /* info on how to interpret it */
const uint8_t *base,
size_t *rem,
size_t *idx) {
size_t retval = 0;
memset(pkt, 0, sizeof(n2n_PEER_INFO_t));
retval += decode_uint16(&(pkt->aflags), base, rem, idx);
retval += decode_mac(pkt->srcMac, base, rem, idx);
retval += decode_mac(pkt->mac, base, rem, idx);
@ -605,29 +648,31 @@ int decode_PEER_INFO(n2n_PEER_INFO_t *pkt,
}
int encode_QUERY_PEER( uint8_t * base,
int encode_QUERY_PEER (uint8_t * base,
size_t * idx,
const n2n_common_t * common,
const n2n_QUERY_PEER_t * pkt )
{
int retval=0;
retval += encode_common( base, idx, common );
retval += encode_mac( base, idx, pkt->srcMac );
retval += encode_mac( base, idx, pkt->targetMac );
const n2n_QUERY_PEER_t * pkt) {
int retval = 0;
retval += encode_common(base, idx, common);
retval += encode_mac(base, idx, pkt->srcMac);
retval += encode_mac(base, idx, pkt->targetMac);
return retval;
}
int decode_QUERY_PEER( n2n_QUERY_PEER_t * pkt,
int decode_QUERY_PEER (n2n_QUERY_PEER_t * pkt,
const n2n_common_t * cmn, /* info on how to interpret it */
const uint8_t * base,
size_t * rem,
size_t * idx )
{
size_t retval=0;
memset( pkt, 0, sizeof(n2n_QUERY_PEER_t) );
retval += decode_mac( pkt->srcMac, base, rem, idx );
retval += decode_mac( pkt->targetMac, base, rem, idx );
size_t * idx) {
size_t retval = 0;
memset(pkt, 0, sizeof(n2n_QUERY_PEER_t));
retval += decode_mac(pkt->srcMac, base, rem, idx);
retval += decode_mac(pkt->targetMac, base, rem, idx);
return retval;
}

Write Preview
Loading…
Cancel
Save