increase lossy custom packet size in ngc to the toxcore common max of 1373

This commit is contained in:
Green Sky 2023-12-09 21:02:27 +01:00
parent 9b3c1089f1
commit 01e7950c67
No known key found for this signature in database
5 changed files with 24 additions and 13 deletions

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@ -1 +1 @@
6468ae67bae96ca47fec38e3aff22809ea8a865df294c8a41cdb681b58a00830 /usr/local/bin/tox-bootstrapd
5aac1df4d6c1de289e8e9f646d06099c84fd4d9b80d19f45e3254eec3ece2bff /usr/local/bin/tox-bootstrapd

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@ -182,7 +182,7 @@ static void kill_group_friend_connection(const GC_Session *c, const GC_Chat *cha
uint16_t gc_get_wrapped_packet_size(uint16_t length, Net_Packet_Type packet_type)
{
assert(length <= MAX_GC_PACKET_CHUNK_SIZE);
assert(length <= (packet_type == NET_PACKET_GC_LOSSY ? MAX_GC_CUSTOM_LOSSY_PACKET_SIZE : MAX_GC_PACKET_CHUNK_SIZE));
const uint16_t min_header_size = packet_type == NET_PACKET_GC_LOSSY
? GC_MIN_LOSSY_PAYLOAD_SIZE
@ -226,10 +226,20 @@ GC_Connection *get_gc_connection(const GC_Chat *chat, int peer_number)
return &peer->gconn;
}
/** Returns the amount of empty padding a packet of designated length should have. */
static uint16_t group_packet_padding_length(uint16_t length)
/** Returns the max packet size, not wrapped */
static uint16_t group_packet_max_packet_size(Net_Packet_Type net_packet_type)
{
return (MAX_GC_PACKET_CHUNK_SIZE - length) % GC_MAX_PACKET_PADDING;
if (net_packet_type == NET_PACKET_GC_LOSSY) {
return MAX_GC_CUSTOM_LOSSY_PACKET_SIZE;
} else {
return MAX_GC_PACKET_CHUNK_SIZE;
}
}
/** Returns the amount of empty padding a packet of designated length should have. */
static uint16_t group_packet_padding_length(uint16_t length, uint16_t max_length)
{
return (max_length - length) % GC_MAX_PACKET_PADDING;
}
void gc_get_self_nick(const GC_Chat *chat, uint8_t *nick)
@ -1483,9 +1493,10 @@ static int group_packet_unwrap(const Logger *log, const GC_Connection *gconn, ui
int group_packet_wrap(
const Logger *log, const Random *rng, const uint8_t *self_pk, const uint8_t *shared_key, uint8_t *packet,
uint16_t packet_size, const uint8_t *data, uint16_t length, uint64_t message_id,
uint8_t gp_packet_type, uint8_t net_packet_type)
uint8_t gp_packet_type, Net_Packet_Type net_packet_type)
{
const uint16_t padding_len = group_packet_padding_length(length);
const uint16_t max_packet_size = group_packet_max_packet_size(net_packet_type);
const uint16_t padding_len = group_packet_padding_length(length, max_packet_size);
const uint16_t min_packet_size = net_packet_type == NET_PACKET_GC_LOSSLESS
? length + padding_len + CRYPTO_MAC_SIZE + 1 + ENC_PUBLIC_KEY_SIZE + CRYPTO_NONCE_SIZE + GC_MESSAGE_ID_BYTES + 1
: length + padding_len + CRYPTO_MAC_SIZE + 1 + ENC_PUBLIC_KEY_SIZE + CRYPTO_NONCE_SIZE + 1;
@ -1495,8 +1506,8 @@ int group_packet_wrap(
return -1;
}
if (length > MAX_GC_PACKET_CHUNK_SIZE) {
LOGGER_ERROR(log, "Packet payload size (%u) exceeds maximum (%u)", length, MAX_GC_PACKET_CHUNK_SIZE);
if (length > max_packet_size) {
LOGGER_ERROR(log, "Packet payload size (%u) exceeds maximum (%u)", length, max_packet_size);
return -1;
}
@ -1563,7 +1574,7 @@ non_null()
static bool send_lossy_group_packet(const GC_Chat *chat, const GC_Connection *gconn, const uint8_t *data,
uint16_t length, uint8_t packet_type)
{
assert(length <= MAX_GC_PACKET_CHUNK_SIZE);
assert(length <= MAX_GC_CUSTOM_LOSSY_PACKET_SIZE);
if (!gconn->handshaked || gconn->pending_delete) {
return false;

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@ -142,7 +142,7 @@ non_null(1, 2, 3, 4, 5) nullable(7)
int group_packet_wrap(
const Logger *log, const Random *rng, const uint8_t *self_pk, const uint8_t *shared_key, uint8_t *packet,
uint16_t packet_size, const uint8_t *data, uint16_t length, uint64_t message_id,
uint8_t gp_packet_type, uint8_t net_packet_type);
uint8_t gp_packet_type, Net_Packet_Type net_packet_type);
/** @brief Returns the size of a wrapped/encrypted packet with a plain size of `length`.
*

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@ -34,7 +34,7 @@
#define MAX_GC_MESSAGE_SIZE GROUP_MAX_MESSAGE_LENGTH
#define MAX_GC_MESSAGE_RAW_SIZE (MAX_GC_MESSAGE_SIZE + GC_MESSAGE_PSEUDO_ID_SIZE)
#define MAX_GC_CUSTOM_LOSSLESS_PACKET_SIZE 1373
#define MAX_GC_CUSTOM_LOSSY_PACKET_SIZE MAX_GC_PACKET_CHUNK_SIZE
#define MAX_GC_CUSTOM_LOSSY_PACKET_SIZE 1373
#define MAX_GC_PASSWORD_SIZE 32
#define MAX_GC_SAVED_INVITES 10
#define MAX_GC_PEERS_DEFAULT 100

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@ -3307,7 +3307,7 @@ uint32_t tox_group_max_message_length(void);
/**
* Maximum length of a group custom lossy packet.
*/
#define TOX_GROUP_MAX_CUSTOM_LOSSY_PACKET_LENGTH 500
#define TOX_GROUP_MAX_CUSTOM_LOSSY_PACKET_LENGTH 1373
uint32_t tox_group_max_custom_lossy_packet_length(void);