96 lines
2.8 KiB
C
96 lines
2.8 KiB
C
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include "multiaddr/multiaddr.h"
|
|
#include "libp2p/conn/session.h"
|
|
#include "libp2p/net/stream.h"
|
|
|
|
struct SessionContext* libp2p_session_context_new() {
|
|
struct SessionContext* context = (struct SessionContext*) malloc(sizeof(struct SessionContext));
|
|
if (context != NULL) {
|
|
context->aes_decode_nonce_offset = 0;
|
|
memset(&context->aes_decode_stream_block[0], 0, 16);
|
|
context->aes_encode_nonce_offset = 0;
|
|
memset(&context->aes_encode_stream_block[0], 0, 16);
|
|
context->chosen_cipher = NULL;
|
|
context->chosen_curve = NULL;
|
|
context->chosen_hash = NULL;
|
|
context->datastore = NULL;
|
|
context->default_stream = NULL;
|
|
context->ephemeral_private_key = NULL;
|
|
context->filestore = NULL;
|
|
context->host = NULL;
|
|
context->insecure_stream = NULL;
|
|
memset(&context->local_nonce[0], 0, 16);
|
|
context->local_stretched_key = NULL;
|
|
context->mac_function = NULL;
|
|
context->port = 0;
|
|
context->remote_ephemeral_public_key = NULL;
|
|
context->remote_ephemeral_public_key_size = 0;
|
|
context->remote_key.data_size = 0;
|
|
context->remote_key.data = NULL;
|
|
context->remote_key.type = KEYTYPE_INVALID;
|
|
memset(&context->remote_nonce[0], 0, 16);
|
|
context->remote_peer_id = NULL;
|
|
context->remote_stretched_key = NULL;
|
|
context->secure_stream = NULL;
|
|
context->shared_key = NULL;
|
|
context->shared_key_size = 0;
|
|
context->traffic_type = TCP;
|
|
}
|
|
return context;
|
|
}
|
|
|
|
int libp2p_session_context_free(struct SessionContext* context) {
|
|
if (context != NULL) {
|
|
if (context->default_stream != NULL)
|
|
context->default_stream->close(context);
|
|
//TODO: Be more intelligent
|
|
free(context);
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
int libp2p_session_context_compare_streams(const struct Stream* a, const struct Stream* b) {
|
|
if (a == NULL && b == NULL)
|
|
return 0;
|
|
if (a == NULL && b != NULL)
|
|
return -1;
|
|
if (a != NULL && b == NULL)
|
|
return 1;
|
|
return multiaddress_compare(a->address, b->address);
|
|
}
|
|
|
|
int libp2p_session_context_compare_remote_key(const struct PublicKey* a, const struct PublicKey* b) {
|
|
if (a == NULL && b == NULL)
|
|
return 0;
|
|
if (a == NULL && b != NULL)
|
|
return -1;
|
|
if (a != NULL && b == NULL)
|
|
return 1;
|
|
int total = b->data_size - a->data_size;
|
|
if (total != 0)
|
|
return total;
|
|
for(size_t i = 0; i < b->data_size; i++) {
|
|
total = b->data[i] - a->data[i];
|
|
if (total != 0)
|
|
return total;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int libp2p_session_context_compare(const struct SessionContext* a, const struct SessionContext* b) {
|
|
int total = 0;
|
|
if (a == NULL && b == NULL)
|
|
return 0;
|
|
if (a == NULL && b != NULL)
|
|
return -1;
|
|
if (a != NULL && b == NULL)
|
|
return 1;
|
|
// streams
|
|
total = libp2p_session_context_compare_streams(a->default_stream, b->default_stream);
|
|
if (total != 0)
|
|
return total;
|
|
// remote key
|
|
total = libp2p_session_context_compare_remote_key(&a->remote_key, &b->remote_key);
|
|
return total;
|
|
}
|