forked from agorise/c-ipfs
Fixes for connections via secio
This commit is contained in:
John Jones
parent
3a38623dcc
commit
d4fee344a7
3 changed files with 49 additions and 43 deletions
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@ -26,12 +26,17 @@ int ipfs_core_net_listen(struct IpfsNode* node, char* protocol, struct IpfsListe
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/***
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* Dial a peer
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* @param node this node
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* @param peer_id who to dial
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* @param peer_id who to dial (null terminated string)
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* @param protocol the protocol to use
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* @param stream the resultant stream
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* @returns true(1) on success, otherwise false(0)
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*/
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int ipsf_core_net_dial(struct IpfsNode* node, char* peer_id, char* protocol, struct Stream* stream) {
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int ipsf_core_net_dial(const struct IpfsNode* node, const char* peer_id, const char* protocol, struct Stream* stream) {
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//TODO: Implement this
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// get the multiaddress from the peerstore
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struct Libp2pPeer* peer = libp2p_peerstore_get_peer(node->peerstore, peer_id, strlen(peer_id));
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// attempt to connect
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// attempt to use the protocol passed in
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return 0;
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}
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59
core/null.c
59
core/null.c
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@ -10,9 +10,15 @@
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#include "ipfs/core/daemon.h"
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#include "ipfs/routing/routing.h"
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#include "ipfs/core/ipfs_node.h"
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#include "libp2p/secio/secio.h"
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#define BUF_SIZE 4096
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int ipfs_null_requesting_secio(unsigned char* buffer, size_t buffer_size) {
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if (buffer_size > 5 && strncmp((char*)buffer, "/secio", 6) == 0)
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return 1;
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return 0;
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}
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/**
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* We've received a connection. Find out what they want
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*/
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@ -35,28 +41,43 @@ void *ipfs_null_connection (void *ptr)
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routing = ipfs_routing_new_online(connection_param->local_node, &connection_param->local_node->identity->private_key, stream);
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for(;;) {
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struct Libp2pMessage* msg = libp2p_net_multistream_get_message(stream);
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if (msg != NULL) {
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switch(msg->message_type) {
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case (MESSAGE_TYPE_PING):
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routing->Ping(routing, msg);
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break;
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case (MESSAGE_TYPE_GET_VALUE): {
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unsigned char* val;
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size_t val_size = 0;
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routing->GetValue(routing, msg->key, msg->key_size, (void**)&val, &val_size);
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if (val == NULL) {
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stream->write(stream, 0, 1);
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} else {
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stream->write(stream, val, val_size);
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}
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break;
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}
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default:
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// check if they're looking for an upgrade (i.e. secio)
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unsigned char* results = NULL;
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size_t bytes_read;
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libp2p_net_multistream_read(stream, &results, &bytes_read);
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if (ipfs_null_requesting_secio(results, bytes_read)) {
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struct SecureSession secure_session;
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secure_session.stream = stream;
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if (!libp2p_secio_handshake(&secure_session, &connection_param->local_node->identity->private_key)) {
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// rejecting connection
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break;
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}
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} else {
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break;
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struct Libp2pMessage* msg = NULL;
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libp2p_message_protobuf_decode(results, bytes_read, &msg);
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if (msg != NULL) {
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switch(msg->message_type) {
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case (MESSAGE_TYPE_PING):
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routing->Ping(routing, msg);
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break;
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case (MESSAGE_TYPE_GET_VALUE): {
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unsigned char* val;
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size_t val_size = 0;
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routing->GetValue(routing, msg->key, msg->key_size, (void**)&val, &val_size);
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if (val == NULL) {
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// write a 0 to the stream to tell the client we couldn't find it.
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stream->write(stream, 0, 1);
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} else {
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stream->write(stream, val, val_size);
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}
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break;
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}
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default:
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break;
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}
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} else {
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break;
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}
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}
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}
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}
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@ -9,6 +9,7 @@
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#include "ipfs/repo/fsrepo/fs_repo.h"
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#include "libp2p/net/multistream.h"
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#include "libp2p/record/message.h"
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#include "libp2p/utils/multiaddress.h"
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/**
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* return the next chunk of a path
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@ -95,27 +96,6 @@ int ipfs_resolver_is_remote(const char* path, const struct FSRepo* fs_repo) {
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}
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/**
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* This is a hack to get ip4/tcp working
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* TODO: this should be moved further down in the networking stack and generified for different multiaddresses
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* This makes too many assumptions
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*/
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int ipfs_resolver_multiaddress_parse_tcp(struct MultiAddress* address, char** ip, int* port) {
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// ip
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char* str = malloc(strlen(address->string));
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strcpy(str, &address->string[5]); // gets rid of /ip4/
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char* pos = strchr(str, '/');
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pos[0] = 0;
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*ip = malloc(strlen(str) + 1);
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strcpy(*ip, str);
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free(str);
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// port
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str = strstr(address->string, "/tcp/");
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str += 5;
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*port = atoi(str);
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return 1;
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}
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/**
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* Retrieve a node from a remote source
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* @param path the path to retrieve
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@ -148,7 +128,7 @@ struct Node* ipfs_resolver_remote_get(const char* path, struct Node* from, const
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struct MultiAddress* address = peer->addr_head->item;
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char* ip;
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int port;
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ipfs_resolver_multiaddress_parse_tcp(address, &ip, &port);
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libp2p_utils_multiaddress_parse_ip4_tcp(address, &ip, &port);
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struct Stream* stream = libp2p_net_multistream_connect(ip, port);
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free(ip);
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// build the request
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