X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=src%2Fnet_setup.c;h=1a123cf5415665e9ead4390fde87742dc9d8ff80;hb=03ab29c1e6e1b608311decb6630eb0a2177ce1dd;hp=4f2022b7e02de08868d336c7a6a6d3f7d3fbd5dc;hpb=1622803438b8c4bfff50bedfae6cd809e27fa075;p=meshlink diff --git a/src/net_setup.c b/src/net_setup.c index 4f2022b7..1a123cf5 100644 --- a/src/net_setup.c +++ b/src/net_setup.c @@ -36,7 +36,7 @@ /// Helper function to start parsing a host config file static bool node_get_config(meshlink_handle_t *mesh, node_t *n, config_t *config, packmsg_input_t *in) { - if(!config_read(mesh, n->name, config)) { + if(!config_read(mesh, "current", n->name, config, mesh->config_key)) { return false; } @@ -46,6 +46,7 @@ static bool node_get_config(meshlink_handle_t *mesh, node_t *n, config_t *config uint32_t version = packmsg_get_uint32(in); if(version != MESHLINK_CONFIG_VERSION) { + logger(mesh, MESHLINK_ERROR, "Invalid config file for node %s", n->name); config_free(config); return false; } @@ -53,7 +54,8 @@ static bool node_get_config(meshlink_handle_t *mesh, node_t *n, config_t *config const char *name; uint32_t len = packmsg_get_str_raw(in, &name); - if(len != strlen(n->name) || strncmp(name, n->name, len)) { + if(len != strlen(n->name) || !name || strncmp(name, n->name, len)) { + logger(mesh, MESHLINK_ERROR, "Invalid config file for node %s", n->name); config_free(config); return false; } @@ -61,43 +63,6 @@ static bool node_get_config(meshlink_handle_t *mesh, node_t *n, config_t *config return true; } -/// Read device class, blacklist status and submesh from a host config file. Used at startup when reading all host config files. -bool node_read_partial(meshlink_handle_t *mesh, node_t *n) { - config_t config; - packmsg_input_t in; - - if(!node_get_config(mesh, n, &config, &in)) { - return false; - } - - char *submesh_name = packmsg_get_str_dup(&in); - - if(!strcmp(submesh_name, CORE_MESH)) { - free(submesh_name); - n->submesh = NULL; - } else { - n->submesh = lookup_or_create_submesh(mesh, submesh_name); - free(submesh_name); - - if(!n->submesh) { - config_free(&config); - return false; - } - } - - int32_t devclass = packmsg_get_int32(&in); - bool blacklisted = packmsg_get_bool(&in); - config_free(&config); - - if(!packmsg_input_ok(&in) || devclass < 0 || devclass > _DEV_CLASS_MAX) { - return false; - } - - n->devclass = devclass; - n->status.blacklisted = blacklisted; - return true; -} - /// Read the public key from a host config file. Used whenever we need to start an SPTPS session. bool node_read_public_key(meshlink_handle_t *mesh, node_t *n) { if(ecdsa_active(n->ecdsa)) { @@ -124,6 +89,34 @@ bool node_read_public_key(meshlink_handle_t *mesh, node_t *n) { } n->ecdsa = ecdsa_set_public_key(key); + + // While we are at it, read known address information + if(!n->canonical_address) { + n->canonical_address = packmsg_get_str_dup(&in); + } else { + packmsg_skip_element(&in); + } + + // Append any known addresses in the config file to the list we currently have + uint32_t known_count = 0; + + for(uint32_t i = 0; i < 5; i++) { + if(n->recent[i].sa.sa_family) { + known_count++; + } + } + + uint32_t count = packmsg_get_array(&in); + + if(count > 5 - known_count) { + count = 5 - known_count; + } + + for(uint32_t i = 0; i < count; i++) { + n->recent[i + known_count] = packmsg_get_sockaddr(&in); + } + + config_free(&config); return true; } @@ -200,6 +193,10 @@ bool node_read_from_config(meshlink_handle_t *mesh, node_t *n, const config_t *c } bool node_write_config(meshlink_handle_t *mesh, node_t *n) { + if(!mesh->confbase) { + return true; + } + uint8_t buf[4096]; packmsg_output_t out = {buf, sizeof(buf)}; @@ -207,7 +204,6 @@ bool node_write_config(meshlink_handle_t *mesh, node_t *n) { packmsg_add_str(&out, n->name); packmsg_add_str(&out, n->submesh ? n->submesh->name : CORE_MESH); packmsg_add_int32(&out, n->devclass); - assert(n->devclass != 3); packmsg_add_bool(&out, n->status.blacklisted); if(ecdsa_active(n->ecdsa)) { @@ -239,29 +235,51 @@ bool node_write_config(meshlink_handle_t *mesh, node_t *n) { } config_t config = {buf, packmsg_output_size(&out, buf)}; - return config_write(mesh, n->name, &config); + + if(!config_write(mesh, "current", n->name, &config, mesh->config_key)) { + call_error_cb(mesh, MESHLINK_ESTORAGE); + return false; + } + + return true; } -static void load_node(meshlink_handle_t *mesh, const char *name) { +static bool load_node(meshlink_handle_t *mesh, const char *name, void *priv) { + (void)priv; + if(!check_id(name)) { - return; + return true; } node_t *n = lookup_node(mesh, name); if(n) { - return; + return true; } n = new_node(); n->name = xstrdup(name); - if(!node_read_partial(mesh, n)) { + config_t config; + packmsg_input_t in; + + if(!node_get_config(mesh, n, &config, &in)) { + free_node(n); + return false; + } + + if(!node_read_from_config(mesh, n, &config)) { + logger(mesh, MESHLINK_ERROR, "Invalid config file for node %s", n->name); + config_free(&config); free_node(n); - return; + return false; } + config_free(&config); + node_add(mesh, n); + + return true; } /* @@ -286,7 +304,7 @@ static bool add_listen_address(meshlink_handle_t *mesh, char *address, bool bind struct addrinfo *ai; struct addrinfo hint = { - .ai_family = addressfamily, + .ai_family = AF_UNSPEC, .ai_socktype = SOCK_STREAM, .ai_protocol = IPPROTO_TCP, .ai_flags = AI_PASSIVE, @@ -346,6 +364,16 @@ static bool add_listen_address(meshlink_handle_t *mesh, char *address, bool bind mesh->listen_socket[mesh->listen_sockets].bindto = bindto; memcpy(&mesh->listen_socket[mesh->listen_sockets].sa, aip->ai_addr, aip->ai_addrlen); + memcpy(&mesh->listen_socket[mesh->listen_sockets].broadcast_sa, aip->ai_addr, aip->ai_addrlen); + + if(aip->ai_family == AF_INET6) { + mesh->listen_socket[mesh->listen_sockets].broadcast_sa.in6.sin6_addr.s6_addr[0x0] = 0xff; + mesh->listen_socket[mesh->listen_sockets].broadcast_sa.in6.sin6_addr.s6_addr[0x1] = 0x02; + mesh->listen_socket[mesh->listen_sockets].broadcast_sa.in6.sin6_addr.s6_addr[0xf] = 0x01; + } else { + mesh->listen_socket[mesh->listen_sockets].broadcast_sa.in.sin_addr.s_addr = 0xffffffff; + } + mesh->listen_sockets++; success = true; } @@ -360,15 +388,11 @@ static bool add_listen_address(meshlink_handle_t *mesh, char *address, bool bind bool setup_myself(meshlink_handle_t *mesh) { /* Set some defaults */ - mesh->localdiscovery = true; - keylifetime = 3600; // TODO: check if this can be removed as well mesh->maxtimeout = 900; - mesh->self->options |= OPTION_PMTU_DISCOVERY; /* Done */ mesh->self->nexthop = mesh->self; - mesh->self->via = mesh->self; mesh->self->status.reachable = true; mesh->self->last_state_change = mesh->loop.now.tv_sec; @@ -376,7 +400,10 @@ bool setup_myself(meshlink_handle_t *mesh) { graph(mesh); - config_scan_all(mesh, load_node); + if(!config_scan_all(mesh, "current", "hosts", load_node, NULL)) { + meshlink_errno = MESHLINK_ESTORAGE; + return false; + } /* Open sockets */ @@ -422,10 +449,6 @@ bool setup_network(meshlink_handle_t *mesh) { init_edges(mesh); init_requests(mesh); - mesh->pinginterval = 60; - mesh->pingtimeout = 5; - maxoutbufsize = 10 * MTU; - if(!setup_myself(mesh)) { return false; } @@ -456,11 +479,13 @@ void close_network_connections(meshlink_handle_t *mesh) { exit_requests(mesh); exit_edges(mesh); exit_nodes(mesh); + exit_submeshes(mesh); exit_connections(mesh); - if(mesh->myport) { - free(mesh->myport); - } + free(mesh->myport); + mesh->myport = NULL; + + mesh->self = NULL; return; }