X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=src%2Fnet_setup.c;h=a59632cfec3ff216124c229874c801fa5caf1a2b;hb=1797680356b8a9256fd233a126f0b4cae9d52b17;hp=37644c44ab6226237d9ce944f447cc57426bd884;hpb=f79cc0e0bba16a3aa42a5fa13098cda714623205;p=meshlink diff --git a/src/net_setup.c b/src/net_setup.c index 37644c44..a59632cf 100644 --- a/src/net_setup.c +++ b/src/net_setup.c @@ -33,15 +33,18 @@ #include "xalloc.h" bool node_read_ecdsa_public_key(meshlink_handle_t *mesh, node_t *n) { - if(ecdsa_active(n->ecdsa)) + if(ecdsa_active(n->ecdsa)) { return true; + } splay_tree_t *config_tree; char *p; init_configuration(&config_tree); - if(!read_host_config(mesh, config_tree, n->name)) + + if(!read_host_config(mesh, config_tree, n->name)) { goto exit; + } /* First, check for simple ECDSAPublicKey statement */ @@ -56,15 +59,18 @@ exit: } bool read_ecdsa_public_key(meshlink_handle_t *mesh, connection_t *c) { - if(ecdsa_active(c->ecdsa)) + if(ecdsa_active(c->ecdsa)) { return true; + } char *p; if(!c->config_tree) { init_configuration(&c->config_tree); - if(!read_host_config(mesh, c->config_tree, c->name)) + + if(!read_host_config(mesh, c->config_tree, c->name)) { return false; + } } /* First, check for simple ECDSAPublicKey statement */ @@ -93,8 +99,9 @@ bool read_ecdsa_private_key(meshlink_handle_t *mesh) { mesh->self->connection->ecdsa = ecdsa_read_pem_private_key(fp); fclose(fp); - if(!mesh->self->connection->ecdsa) + if(!mesh->self->connection->ecdsa) { logger(mesh, MESHLINK_ERROR, "Reading ECDSA private key file failed: %s", strerror(errno)); + } return mesh->self->connection->ecdsa; } @@ -115,8 +122,10 @@ static bool read_invitation_key(meshlink_handle_t *mesh) { if(fp) { mesh->invitation_key = ecdsa_read_pem_private_key(fp); fclose(fp); - if(!mesh->invitation_key) + + if(!mesh->invitation_key) { logger(mesh, MESHLINK_ERROR, "Reading ECDSA private key file `%s' failed: %s", filename, strerror(errno)); + } } return mesh->invitation_key; @@ -128,16 +137,19 @@ bool node_read_devclass(meshlink_handle_t *mesh, node_t *n) { char *p; init_configuration(&config_tree); - if(!read_host_config(mesh, config_tree, n->name)) + + if(!read_host_config(mesh, config_tree, n->name)) { goto exit; + } if(get_config_string(lookup_config(config_tree, "DeviceClass"), &p)) { n->devclass = atoi(p); free(p); } - if((int)n->devclass < 0 || n->devclass > _DEV_CLASS_MAX) + if((int)n->devclass < 0 || n->devclass > _DEV_CLASS_MAX) { n->devclass = _DEV_CLASS_MAX; + } exit: exit_configuration(&config_tree); @@ -146,8 +158,9 @@ exit: bool node_write_devclass(meshlink_handle_t *mesh, node_t *n) { - if((int)n->devclass < 0 || n->devclass > _DEV_CLASS_MAX) + if((int)n->devclass < 0 || n->devclass > _DEV_CLASS_MAX) { return false; + } bool result = false; @@ -167,8 +180,9 @@ bool node_write_devclass(meshlink_handle_t *mesh, node_t *n) { set_config_int(cnf, n->devclass); - if(!write_host_config(mesh, config_tree, n->name)) + if(!write_host_config(mesh, config_tree, n->name)) { goto fail; + } result = true; @@ -184,18 +198,22 @@ void load_all_nodes(meshlink_handle_t *mesh) { snprintf(dname, PATH_MAX, "%s" SLASH "hosts", mesh->confbase); dir = opendir(dname); + if(!dir) { logger(mesh, MESHLINK_ERROR, "Could not open %s: %s", dname, strerror(errno)); return; } while((ent = readdir(dir))) { - if(!check_id(ent->d_name)) + if(!check_id(ent->d_name)) { continue; + } node_t *n = lookup_node(mesh, ent->d_name); - if(n) + + if(n) { continue; + } n = new_node(); n->name = xstrdup(ent->d_name); @@ -212,8 +230,9 @@ char *get_name(meshlink_handle_t *mesh) { get_config_string(lookup_config(mesh->config, "Name"), &name); - if(!name) + if(!name) { return NULL; + } if(!check_id(name)) { logger(mesh, MESHLINK_ERROR, "Invalid name for mesh->self!"); @@ -243,22 +262,29 @@ static bool add_listen_address(meshlink_handle_t *mesh, char *address, bool bind if(address) { char *space = strchr(address, ' '); + if(space) { *space++ = 0; port = space; } - if(!strcmp(address, "*")) + if(!strcmp(address, "*")) { *address = 0; + } } struct addrinfo *ai, hint = {}; + hint.ai_family = addressfamily; + hint.ai_socktype = SOCK_STREAM; + hint.ai_protocol = IPPROTO_TCP; + hint.ai_flags = AI_PASSIVE; int err = getaddrinfo(address && *address ? address : NULL, port, &hint, &ai); + free(address); if(err || !ai) { @@ -278,8 +304,9 @@ static bool add_listen_address(meshlink_handle_t *mesh, char *address, bool bind break; } - if(found) + if(found) { continue; + } if(mesh->listen_sockets >= MAXSOCKETS) { logger(mesh, MESHLINK_ERROR, "Too many listening sockets"); @@ -288,8 +315,9 @@ static bool add_listen_address(meshlink_handle_t *mesh, char *address, bool bind int tcp_fd = setup_listen_socket((sockaddr_t *) aip->ai_addr); - if(tcp_fd < 0) + if(tcp_fd < 0) { continue; + } int udp_fd = setup_vpn_in_socket(mesh, (sockaddr_t *) aip->ai_addr); @@ -347,16 +375,20 @@ bool setup_myself(meshlink_handle_t *mesh) { mesh->self->options |= PROT_MINOR << 24; - if(!read_ecdsa_private_key(mesh)) + if(!read_ecdsa_private_key(mesh)) { return false; + } /* Ensure mesh->myport is numeric */ if(!atoi(mesh->myport)) { struct addrinfo *ai = str2addrinfo("localhost", mesh->myport, SOCK_DGRAM); sockaddr_t sa; - if(!ai || !ai->ai_addr) + + if(!ai || !ai->ai_addr) { return false; + } + free(mesh->myport); memcpy(&sa, ai->ai_addr, ai->ai_addrlen); sockaddr2str(&sa, NULL, &mesh->myport); @@ -364,8 +396,9 @@ bool setup_myself(meshlink_handle_t *mesh) { /* Check some options */ - if(!setup_myself_reloadable(mesh)) + if(!setup_myself_reloadable(mesh)) { return false; + } /* Compression */ @@ -396,12 +429,17 @@ bool setup_myself(meshlink_handle_t *mesh) { logger(mesh, MESHLINK_INFO, "Could not bind to port %s, asking OS to choose one for us", mesh->myport); free(mesh->myport); mesh->myport = strdup("0"); - if(!mesh->myport) + + if(!mesh->myport) { return false; - if(!add_listen_address(mesh, address, NULL)) + } + + if(!add_listen_address(mesh, address, NULL)) { return false; - } else + } + } else { return false; + } } if(!mesh->listen_sockets) { @@ -429,8 +467,9 @@ bool setup_network(meshlink_handle_t *mesh) { mesh->pingtimeout = 5; maxoutbufsize = 10 * MTU; - if(!setup_myself(mesh)) + if(!setup_myself(mesh)) { return false; + } return true; } @@ -448,8 +487,9 @@ void close_network_connections(meshlink_handle_t *mesh) { } } - if(mesh->outgoings) + if(mesh->outgoings) { list_delete_list(mesh->outgoings); + } if(mesh->self && mesh->self->connection) { terminate_connection(mesh, mesh->self->connection, false); @@ -468,7 +508,9 @@ void close_network_connections(meshlink_handle_t *mesh) { exit_nodes(mesh); exit_connections(mesh); - if(mesh->myport) free(mesh->myport); + if(mesh->myport) { + free(mesh->myport); + } return; }