Beispiel #1
0
static void tunInterface(Dict* ifaceConf, struct Allocator* tempAlloc, struct Context* ctx)
{
    String* ifaceType = Dict_getString(ifaceConf, String_CONST("type"));
    if (!String_equals(ifaceType, String_CONST("TUNInterface"))) {
        return;
    }

    // Setup the interface.
    String* tunfd = Dict_getString(ifaceConf, String_CONST("tunfd"));
    String* device = Dict_getString(ifaceConf, String_CONST("tunDevice"));

    Dict* args = Dict_new(tempAlloc);
    if (tunfd && device) {
        Dict_putString(args, String_CONST("path"), device, tempAlloc);
        Dict_putString(args, String_CONST("type"),
                       String_new(tunfd->bytes, tempAlloc), tempAlloc);
        Dict* res = NULL;
        rpcCall0(String_CONST("FileNo_import"), args, ctx, tempAlloc, &res, false);
        if (res) {
            Dict* args = Dict_new(tempAlloc);
            int64_t* tunfd = Dict_getInt(res, String_CONST("tunfd"));
            int64_t* type = Dict_getInt(res, String_CONST("type"));
            Dict_putInt(args, String_CONST("tunfd"), *tunfd, tempAlloc);
            Dict_putInt(args, String_CONST("type"), *type, tempAlloc);
            rpcCall0(String_CONST("Core_initTunfd"), args, ctx, tempAlloc, NULL, false);
        }
    } else {
        if (device) {
            Dict_putString(args, String_CONST("desiredTunName"), device, tempAlloc);
        }
        rpcCall0(String_CONST("Core_initTunnel"), args, ctx, tempAlloc, NULL, false);
    }
}
Beispiel #2
0
static void ipTunnel(Dict* ifaceConf, struct Allocator* tempAlloc, struct Context* ctx)
{
    List* incoming = Dict_getList(ifaceConf, String_CONST("allowedConnections"));
    Dict* d;
    for (int i = 0; (d = List_getDict(incoming, i)) != NULL; i++) {
        String* key = Dict_getString(d, String_CONST("publicKey"));
        String* ip4 = Dict_getString(d, String_CONST("ip4Address"));
        String* ip6 = Dict_getString(d, String_CONST("ip6Address"));
        if (!key) {
            Log_critical(ctx->logger, "In router.ipTunnel.allowedConnections[%d]"
                                      "'publicKey' required.", i);
            exit(1);
        }
        if (!ip4 && !ip6) {
            Log_critical(ctx->logger, "In router.ipTunnel.allowedConnections[%d]"
                                       "either ip4Address or ip6Address required.", i);
            exit(1);
        }
        Log_debug(ctx->logger, "Allowing IpTunnel connections from [%s]", key->bytes);
        Dict_putString(d, String_CONST("publicKeyOfAuthorizedNode"), key, tempAlloc);
        rpcCall0(String_CONST("IpTunnel_allowConnection"), d, ctx, tempAlloc, true);
    }

    List* outgoing = Dict_getList(ifaceConf, String_CONST("outgoingConnections"));
    String* s;
    for (int i = 0; (s = List_getString(outgoing, i)) != NULL; i++) {
        Log_debug(ctx->logger, "Initiating IpTunnel connection to [%s]", s->bytes);
        Dict requestDict =
            Dict_CONST(String_CONST("publicKeyOfNodeToConnectTo"), String_OBJ(s), NULL);
        rpcCall0(String_CONST("IpTunnel_connectTo"), &requestDict, ctx, tempAlloc, true);
    }
}
Beispiel #3
0
static int tryPing(struct Allocator* tempAlloc, struct Context* ctx)
{
    Dict* resp = NULL;
    Dict* d = Dict_new(tempAlloc);
    rpcCall0(String_CONST("ping"), d, ctx, tempAlloc, &resp, false);
    if (!resp) { return -1; }
    String* q = Dict_getString(resp, String_CONST("q"));
    if (String_equals(q, String_CONST("pong"))) {
        return true;
    }
    return false;
}
Beispiel #4
0
static void tunInterface(Dict* ifaceConf, struct Allocator* tempAlloc, struct Context* ctx)
{
    String* ifaceType = Dict_getString(ifaceConf, String_CONST("type"));
    if (!String_equals(ifaceType, String_CONST("TUNInterface"))) {
        return;
    }

    // Setup the interface.
    String* device = Dict_getString(ifaceConf, String_CONST("tunDevice"));

    Dict* args = Dict_new(tempAlloc);
    if (device) {
        Dict_putString(args, String_CONST("desiredTunName"), device, tempAlloc);
    }
    rpcCall0(String_CONST("Core_initTunnel"), args, ctx, tempAlloc, false);
}
Beispiel #5
0
static void supernodes(List* supernodes, struct Allocator* tempAlloc, struct Context* ctx)
{
    if (!supernodes) {
        return;
    }
    String* s;
    for (int i = 0; (s = List_getString(supernodes, i)) != NULL; i++) {
        Log_debug(ctx->logger, "Loading supernode connection to [%s]", s->bytes);
        Dict reqDict = Dict_CONST(String_CONST("key"), String_OBJ(s), NULL);
        if (!Defined(SUBNODE)) {
            Log_debug(ctx->logger, "Skipping because SUBNODE is not enabled");
            continue;
        }
        rpcCall0(String_CONST("SupernodeHunter_addSnode"), &reqDict, ctx, tempAlloc, NULL, true);
    }
}
Beispiel #6
0
static void security(List* securityConf, struct Allocator* tempAlloc, struct Context* ctx)
{
    bool noFiles = false;
    for (int i = 0; i < List_size(securityConf); i++) {
        if (String_equals(String_CONST("nofiles"), List_getString(securityConf, i))) {
            noFiles = true;
        } else {
            Dict* userDict = List_getDict(securityConf, i);
            String* userName = Dict_getString(userDict, String_CONST("setuser"));
            if (userName) {
                Dict d = Dict_CONST(String_CONST("user"), String_OBJ(userName), NULL);
                // If this call returns an error, it is ok.
                rpcCall0(String_CONST("Security_setUser"), &d, ctx, tempAlloc, false);
            }
        }
    }
    if (noFiles) {
        Dict d = NULL;
        rpcCall(String_CONST("Security_noFiles"), &d, ctx, tempAlloc);
    }
}
Beispiel #7
0
static void rpcCall(String* function, Dict* args, struct Context* ctx, struct Allocator* alloc)
{
    rpcCall0(function, args, ctx, alloc, true);
}
Beispiel #8
0
static void security(struct Allocator* tempAlloc, List* conf, struct Log* log, struct Context* ctx)
{
    int seccomp = 1;
    int nofiles = 0;
    int noforks = 1;
    int chroot = 1;
    int setupComplete = 1;
    int setuser = 1;
    if (Defined(win32)) {
        setuser = 0;
    }

    int uid = -1;
    int64_t* group = NULL;
    int keepNetAdmin = 1;

    do {
        Dict* d = Dict_new(tempAlloc);
        Dict_putString(d, String_CONST("user"), String_CONST("nobody"), tempAlloc);
        if (!Defined(win32)) {
            Dict* ret = NULL;
            rpcCall0(String_CONST("Security_getUser"), d, ctx, tempAlloc, &ret, true);
            uid = *Dict_getInt(ret, String_CONST("uid"));
            group = Dict_getInt(ret, String_CONST("gid"));
        }
    } while (0);

    for (int i = 0; conf && i < List_size(conf); i++) {
        Dict* elem = List_getDict(conf, i);
        String* s;
        if (elem && (s = Dict_getString(elem, String_CONST("setuser")))) {
            if (setuser == 0) { continue; }
            Dict* d = Dict_new(tempAlloc);
            Dict_putString(d, String_CONST("user"), s, tempAlloc);
            Dict* ret = NULL;
            rpcCall0(String_CONST("Security_getUser"), d, ctx, tempAlloc, &ret, true);
            uid = *Dict_getInt(ret, String_CONST("uid"));
            group = Dict_getInt(ret, String_CONST("gid"));
            int64_t* nka = Dict_getInt(elem, String_CONST("keepNetAdmin"));
            int64_t* exemptAngel = Dict_getInt(elem, String_CONST("exemptAngel"));
            keepNetAdmin = ((nka) ? *nka : ((exemptAngel) ? *exemptAngel : 0));
            continue;
        }
        if (elem && (s = Dict_getString(elem, String_CONST("chroot")))) {
            Log_debug(log, "Security_chroot(%s)", s->bytes);
            Dict* d = Dict_new(tempAlloc);
            Dict_putString(d, String_CONST("root"), s, tempAlloc);
            rpcCall0(String_CONST("Security_chroot"), d, ctx, tempAlloc, NULL, false);
            chroot = 0;
            continue;
        }
        uint64_t* x;
        if (elem && (x = Dict_getInt(elem, String_CONST("nofiles")))) {
            if (!*x) { continue; }
            nofiles = 1;
            continue;
        }
        if (elem && (x = Dict_getInt(elem, String_CONST("setuser")))) {
            if (!*x) { setuser = 0; }
            continue;
        }
        if (elem && (x = Dict_getInt(elem, String_CONST("seccomp")))) {
            if (!*x) { seccomp = 0; }
            continue;
        }
        if (elem && (x = Dict_getInt(elem, String_CONST("noforks")))) {
            if (!*x) { noforks = 0; }
            continue;
        }
        if (elem && (x = Dict_getInt(elem, String_CONST("chroot")))) {
            if (!*x) { chroot = 0; }
            continue;
        }
        if (elem && (x = Dict_getInt(elem, String_CONST("setupComplete")))) {
            if (!*x) { setupComplete = 0; }
            continue;
        }
        Log_info(ctx->logger, "Unrecognized entry in security at index [%d]", i);
    }

    if (chroot) {
        Log_debug(log, "Security_chroot(/var/run)");
        Dict* d = Dict_new(tempAlloc);
        Dict_putString(d, String_CONST("root"), String_CONST("/var/run/"), tempAlloc);
        rpcCall0(String_CONST("Security_chroot"), d, ctx, tempAlloc, NULL, false);
    }
    /* FIXME(sdg): moving noforks after setuser might make nproc <- 0,0 work
     on older kernels, where doing it before causes setuid to fail w EAGAIN. */
    if (noforks) {
        Log_debug(log, "Security_noforks()");
        Dict* d = Dict_new(tempAlloc);
        rpcCall(String_CONST("Security_noforks"), d, ctx, tempAlloc);
    }
    if (setuser) {
        Log_debug(log, "Security_setUser(uid:%d, keepNetAdmin:%d)", uid, keepNetAdmin);
        Dict* d = Dict_new(tempAlloc);
        Dict_putInt(d, String_CONST("uid"), uid, tempAlloc);
        if (group) {
            Dict_putInt(d, String_CONST("gid"), (int)*group, tempAlloc);
        }
        Dict_putInt(d, String_CONST("keepNetAdmin"), keepNetAdmin, tempAlloc);
        rpcCall0(String_CONST("Security_setUser"), d, ctx, tempAlloc, NULL, false);
    }
    if (nofiles) {
        Log_debug(log, "Security_nofiles()");
        Dict* d = Dict_new(tempAlloc);
        rpcCall(String_CONST("Security_nofiles"), d, ctx, tempAlloc);
    }
    if (seccomp) {
        Log_debug(log, "Security_seccomp()");
        Dict* d = Dict_new(tempAlloc);
        rpcCall(String_CONST("Security_seccomp"), d, ctx, tempAlloc);
    }
    if (setupComplete) {
        Log_debug(log, "Security_setupComplete()");
        Dict* d = Dict_new(tempAlloc);
        rpcCall(String_CONST("Security_setupComplete"), d, ctx, tempAlloc);
    }
}
Beispiel #9
0
static void ethInterface(Dict* config, struct Context* ctx)
{
    List* ifaces = Dict_getList(config, String_CONST("ETHInterface"));
    if (!ifaces) {
        ifaces = List_new(ctx->alloc);
        List_addDict(ifaces, Dict_getDict(config, String_CONST("ETHInterface")), ctx->alloc);
    }

    uint32_t count = List_size(ifaces);

    for (uint32_t i = 0; i < count; i++) {
        Dict *eth = List_getDict(ifaces, i);
        if (!eth) { continue; }
        String* deviceStr = Dict_getString(eth, String_CONST("bind"));
        if (!deviceStr || !String_equals(String_CONST("all"), deviceStr)) { continue; }
        Log_info(ctx->logger, "Setting up all ETHInterfaces...");
        Dict* res = NULL;
        Dict* d = Dict_new(ctx->alloc);
        if (rpcCall0(String_CONST("ETHInterface_listDevices"), d, ctx, ctx->alloc, &res, false)) {
            Log_info(ctx->logger, "Getting device list failed");
            break;
        }
        List* devs = Dict_getList(res, String_CONST("devices"));
        uint32_t devCount = List_size(devs);
        for (uint32_t j = 0; j < devCount; j++) {
            Dict* d = Dict_new(ctx->alloc);
            String* deviceName = List_getString(devs, j);
            // skip loopback...
            if (String_equals(String_CONST("lo"), deviceName)) { continue; }
            Dict_putString(d, String_CONST("bindDevice"), deviceName, ctx->alloc);
            Dict* resp;
            Log_info(ctx->logger, "Creating new ETHInterface [%s]", deviceName->bytes);
            if (rpcCall0(String_CONST("ETHInterface_new"), d, ctx, ctx->alloc, &resp, false)) {
                Log_warn(ctx->logger, "Failed to create ETHInterface.");
                continue;
            }
            int ifNum = *(Dict_getInt(resp, String_CONST("interfaceNumber")));
            ethInterfaceSetBeacon(ifNum, eth, ctx);
        }
        return;
    }

    for (uint32_t i = 0; i < count; i++) {
        Dict *eth = List_getDict(ifaces, i);
        if (!eth) { continue; }
        // Setup the interface.
        String* deviceStr = Dict_getString(eth, String_CONST("bind"));
        Log_info(ctx->logger, "Setting up ETHInterface [%d].", i);
        Dict* d = Dict_new(ctx->alloc);
        if (deviceStr) {
            Log_info(ctx->logger, "Binding to device [%s].", deviceStr->bytes);
            Dict_putString(d, String_CONST("bindDevice"), deviceStr, ctx->alloc);
        }
        Dict* resp = NULL;
        if (rpcCall0(String_CONST("ETHInterface_new"), d, ctx, ctx->alloc, &resp, false)) {
            Log_warn(ctx->logger, "Failed to create ETHInterface.");
            continue;
        }
        int ifNum = *(Dict_getInt(resp, String_CONST("interfaceNumber")));
        ethInterfaceSetBeacon(ifNum, eth, ctx);

        // Make the connections.
        Dict* connectTo = Dict_getDict(eth, String_CONST("connectTo"));
        if (connectTo) {
            Log_info(ctx->logger, "ETHInterface should connect to a specific node.");
            struct Dict_Entry* entry = *connectTo;
            while (entry != NULL) {
                String* key = (String*) entry->key;
                if (entry->val->type != Object_DICT) {
                    Log_critical(ctx->logger, "interfaces.ETHInterface.connectTo: entry [%s] "
                                               "is not a dictionary type.", key->bytes);
                    exit(-1);
                }
                Dict* value = entry->val->as.dictionary;

                Log_keys(ctx->logger, "Attempting to connect to node [%s].", key->bytes);

                struct Allocator* perCallAlloc = Allocator_child(ctx->alloc);
                // Turn the dict from the config into our RPC args dict by filling in all
                // the arguments,
                Dict_putString(value, String_CONST("macAddress"), key, perCallAlloc);
                Dict_putInt(value, String_CONST("interfaceNumber"), ifNum, perCallAlloc);
                rpcCall(String_CONST("ETHInterface_beginConnection"), value, ctx, perCallAlloc);
                Allocator_free(perCallAlloc);

                entry = entry->next;
            }
        }
    }
}
Beispiel #10
0
static void ipTunnel(Dict* ifaceConf, struct Allocator* tempAlloc, struct Context* ctx)
{
    List* incoming = Dict_getList(ifaceConf, String_CONST("allowedConnections"));
    if (incoming) {
        Dict* d;
        for (int i = 0; (d = List_getDict(incoming, i)) != NULL; i++) {
            String* key = Dict_getString(d, String_CONST("publicKey"));
            String* ip4 = Dict_getString(d, String_CONST("ip4Address"));
            // Note that the prefix length has to be a proper int in the config
            // (not quoted!)
            int64_t* ip4Prefix = Dict_getInt(d, String_CONST("ip4Prefix"));
            String* ip6 = Dict_getString(d, String_CONST("ip6Address"));
            int64_t* ip6Prefix = Dict_getInt(d, String_CONST("ip6Prefix"));
            if (!key) {
                Log_critical(ctx->logger, "In router.ipTunnel.allowedConnections[%d]"
                                          "'publicKey' required.", i);
                exit(1);
            }
            if (!ip4 && !ip6) {
                Log_critical(ctx->logger, "In router.ipTunnel.allowedConnections[%d]"
                                          "either 'ip4Address' or 'ip6Address' required.", i);
                exit(1);
            } else if (ip4Prefix && !ip4) {
                Log_critical(ctx->logger, "In router.ipTunnel.allowedConnections[%d]"
                                          "'ip4Address' required with 'ip4Prefix'.", i);
                exit(1);
            } else if (ip6Prefix && !ip6) {
                Log_critical(ctx->logger, "In router.ipTunnel.allowedConnections[%d]"
                                          "'ip6Address' required with 'ip6Prefix'.", i);
                exit(1);
            }
            Log_debug(ctx->logger, "Allowing IpTunnel connections from [%s]", key->bytes);

            if (ip4) {
                Log_debug(ctx->logger, "Issue IPv4 address %s", ip4->bytes);
                if (ip4Prefix) {
                    Log_debug(ctx->logger, "Issue IPv4 netmask/prefix length /%d",
                        (int) *ip4Prefix);
                } else {
                    Log_debug(ctx->logger, "Use default netmask/prefix length /0");
                }
            }

            if (ip6) {
                Log_debug(ctx->logger, "Issue IPv6 address [%s]", ip6->bytes);
                if (ip6Prefix) {
                    Log_debug(ctx->logger, "Issue IPv6 netmask/prefix length /%d",
                        (int) *ip6Prefix);
                } else {
                    Log_debug(ctx->logger, "Use default netmask/prefix length /0");
                }
            }

            Dict_putString(d, String_CONST("publicKeyOfAuthorizedNode"), key, tempAlloc);
            rpcCall0(String_CONST("IpTunnel_allowConnection"), d, ctx, tempAlloc, NULL, true);
        }
    }

    List* outgoing = Dict_getList(ifaceConf, String_CONST("outgoingConnections"));
    if (outgoing) {
        String* s;
        for (int i = 0; (s = List_getString(outgoing, i)) != NULL; i++) {
            Log_debug(ctx->logger, "Initiating IpTunnel connection to [%s]", s->bytes);
            Dict requestDict =
                Dict_CONST(String_CONST("publicKeyOfNodeToConnectTo"), String_OBJ(s), NULL);
            rpcCall0(String_CONST("IpTunnel_connectTo"), &requestDict, ctx, tempAlloc, NULL, true);
        }
    }
}
Beispiel #11
0
static void udpInterface(Dict* config, struct Context* ctx)
{
    List* ifaces = Dict_getList(config, String_CONST("UDPInterface"));
    if (!ifaces) {
        ifaces = List_new(ctx->alloc);
        List_addDict(ifaces, Dict_getDict(config, String_CONST("UDPInterface")), ctx->alloc);
    }

    uint32_t count = List_size(ifaces);
    for (uint32_t i = 0; i < count; i++) {
        Dict *udp = List_getDict(ifaces, i);
        if (!udp) {
            continue;
        }
        // Setup the interface.
        String* bindStr = Dict_getString(udp, String_CONST("bind"));
        Dict* d = Dict_new(ctx->alloc);
        if (bindStr) {
            Dict_putString(d, String_CONST("bindAddress"), bindStr, ctx->alloc);
        }
        Dict* resp = NULL;
        rpcCall0(String_CONST("UDPInterface_new"), d, ctx, ctx->alloc, &resp, true);
        int ifNum = *(Dict_getInt(resp, String_CONST("interfaceNumber")));

        // Make the connections.
        Dict* connectTo = Dict_getDict(udp, String_CONST("connectTo"));
        if (connectTo) {
            struct Dict_Entry* entry = *connectTo;
            struct Allocator* perCallAlloc = Allocator_child(ctx->alloc);
            while (entry != NULL) {
                String* key = (String*) entry->key;
                if (entry->val->type != Object_DICT) {
                    Log_critical(ctx->logger, "interfaces.UDPInterface.connectTo: entry [%s] "
                                               "is not a dictionary type.", key->bytes);
                    exit(-1);
                }
                Dict* all =  entry->val->as.dictionary;
                Dict* value = Dict_new(perCallAlloc);
                String* pub_d = Dict_getString(all, String_CONST("publicKey"));
                String* pss_d = Dict_getString(all, String_CONST("password"));
                String* peerName_d = Dict_getString(all, String_CONST("peerName"));
                String* login_d = Dict_getString(all, String_CONST("login"));

                if ( !pub_d || !pss_d ) {
                    const char * error_name = "(unknown)";
                    if ( !pub_d ) {
                        error_name = "publicKey";
                    }
                    if ( !pss_d ) {
                        error_name = "password";
                    }
                    Log_warn(ctx->logger,
                        "Skipping peer: missing %s for peer [%s]", error_name, key->bytes);
                    if (abort_if_invalid_ref) {
                        Assert_failure("Invalid peer reference");
                    }
                    else {
                        entry = entry->next;
                        continue;
                    }
                }

                Dict_putString(value, String_CONST("publicKey"), pub_d, perCallAlloc);
                Dict_putString(value, String_CONST("password"), pss_d, perCallAlloc);
                Dict_putString(value, String_CONST("peerName"), peerName_d, perCallAlloc);
                Dict_putString(value, String_CONST("login"), login_d, perCallAlloc);

                Log_keys(ctx->logger, "Attempting to connect to node [%s].", key->bytes);
                key = String_clone(key, perCallAlloc);
                char* lastColon = CString_strrchr(key->bytes, ':');

                if (!Sockaddr_parse(key->bytes, NULL)) {
                    // it's a sockaddr, fall through
                } else if (lastColon) {
                    // try it as a hostname.
                    int port = atoi(lastColon+1);
                    if (!port) {
                        Log_critical(ctx->logger, "Couldn't get port number from [%s]", key->bytes);
                        exit(-1);
                    }
                    *lastColon = '\0';
                    struct Sockaddr* adr = Sockaddr_fromName(key->bytes, perCallAlloc);
                    if (adr != NULL) {
                        Sockaddr_setPort(adr, port);
                        key = String_new(Sockaddr_print(adr, perCallAlloc), perCallAlloc);
                    } else {
                        Log_warn(ctx->logger, "Failed to lookup hostname [%s]", key->bytes);
                        entry = entry->next;
                        continue;
                    }
                }
                struct Allocator* child = Allocator_child(ctx->alloc);
                struct Message* msg = Message_new(0, AdminClient_MAX_MESSAGE_SIZE + 256, child);
                int r = BencMessageWriter_writeDictTry(value, msg, NULL);

                const int max_reference_size = 298;
                if (r != 0 || msg->length > max_reference_size) {
                    Log_warn(ctx->logger, "Peer skipped:");
                    Log_warn(ctx->logger, "Too long peer reference for [%s]", key->bytes);
                    if (abort_if_invalid_ref) {
                        Assert_failure("Invalid peer reference");
                    }
                    else {
                        entry = entry->next;
                        continue;
                    }
                }
                Dict_putInt(value, String_CONST("interfaceNumber"), ifNum, perCallAlloc);
                Dict_putString(value, String_CONST("address"), key, perCallAlloc);
                rpcCall(String_CONST("UDPInterface_beginConnection"), value, ctx, perCallAlloc);
                entry = entry->next;
            }
            Allocator_free(perCallAlloc);
        }
    }
}
Beispiel #12
0
static void udpInterface(Dict* config, struct Context* ctx)
{
    List* ifaces = Dict_getList(config, String_CONST("UDPInterface"));
    if (!ifaces) {
        ifaces = List_new(ctx->alloc);
        List_addDict(ifaces, Dict_getDict(config, String_CONST("UDPInterface")), ctx->alloc);
    }

    uint32_t count = List_size(ifaces);
    for (uint32_t i = 0; i < count; i++) {
        Dict *udp = List_getDict(ifaces, i);
        if (!udp) {
            continue;
        }
        // Setup the interface.
        String* bindStr = Dict_getString(udp, String_CONST("bind"));
        Dict* d = Dict_new(ctx->alloc);
        if (bindStr) {
            Dict_putString(d, String_CONST("bindAddress"), bindStr, ctx->alloc);
        }
        Dict* resp = NULL;
        rpcCall0(String_CONST("UDPInterface_new"), d, ctx, ctx->alloc, &resp, true);
        int ifNum = *(Dict_getInt(resp, String_CONST("interfaceNumber")));

        // Make the connections.
        Dict* connectTo = Dict_getDict(udp, String_CONST("connectTo"));
        if (connectTo) {
            struct Dict_Entry* entry = *connectTo;
            struct Allocator* perCallAlloc = Allocator_child(ctx->alloc);
            while (entry != NULL) {
                String* key = (String*) entry->key;
                if (entry->val->type != Object_DICT) {
                    Log_critical(ctx->logger, "interfaces.UDPInterface.connectTo: entry [%s] "
                                 "is not a dictionary type.", key->bytes);
                    exit(-1);
                }
                Dict* value = entry->val->as.dictionary;
                Log_keys(ctx->logger, "Attempting to connect to node [%s].", key->bytes);
                key = String_clone(key, perCallAlloc);
                char* lastColon = CString_strrchr(key->bytes, ':');

                if (!Sockaddr_parse(key->bytes, NULL)) {
                    // it's a sockaddr, fall through
                } else if (lastColon) {
                    // try it as a hostname.
                    Log_critical(ctx->logger, "Couldn't add connection [%s], "
                                 "hostnames aren't supported.", key->bytes);
                    exit(-1);
                }
                Dict_putInt(value, String_CONST("interfaceNumber"), ifNum, perCallAlloc);
                Dict_putString(value, String_CONST("address"), key, perCallAlloc);
                rpcCall(String_CONST("UDPInterface_beginConnection"), value, ctx, perCallAlloc);

                // Make a IPTunnel exception for this node
                Dict* aed = Dict_new(perCallAlloc);
                *lastColon = '\0';
                Dict_putString(aed, String_CONST("route"), String_new(key->bytes, perCallAlloc),
                               perCallAlloc);
                *lastColon = ':';
                rpcCall(String_CONST("RouteGen_addException"), aed, ctx, perCallAlloc);

                entry = entry->next;
            }
            Allocator_free(perCallAlloc);
        }
    }
}
Beispiel #13
0
static void ethInterface(Dict* config, struct Context* ctx)
{
    List* ifaces = Dict_getList(config, String_CONST("ETHInterface"));
    if (!ifaces) {
        ifaces = List_addDict(ifaces,
                              Dict_getDict(config, String_CONST("ETHInterface")), ctx->alloc);
    }

    uint32_t count = List_size(ifaces);
    for (uint32_t i = 0; i < count; i++) {
        Dict *eth = List_getDict(ifaces, i);
        if (!eth) {
            continue;
        }
        // Setup the interface.
        String* deviceStr = Dict_getString(eth, String_CONST("bind"));
        Log_info(ctx->logger, "Setting up ETHInterface [%d].", i);
        Dict* d = Dict_new(ctx->alloc);
        if (deviceStr) {
            Log_info(ctx->logger, "Binding to device [%s].", deviceStr->bytes);
            Dict_putString(d, String_CONST("bindDevice"), deviceStr, ctx->alloc);
        }
        if (rpcCall0(String_CONST("ETHInterface_new"), d, ctx, ctx->alloc, false)) {
            Log_warn(ctx->logger, "Failed to create ETHInterface.");
            continue;
        }

        // Make the connections.
        Dict* connectTo = Dict_getDict(eth, String_CONST("connectTo"));
        if (connectTo) {
            Log_info(ctx->logger, "ETHInterface should connect to a specific node.");
            struct Dict_Entry* entry = *connectTo;
            while (entry != NULL) {
                String* key = (String*) entry->key;
                if (entry->val->type != Object_DICT) {
                    Log_critical(ctx->logger, "interfaces.ETHInterface.connectTo: entry [%s] "
                                               "is not a dictionary type.", key->bytes);
                    exit(-1);
                }
                Dict* value = entry->val->as.dictionary;

                Log_keys(ctx->logger, "Attempting to connect to node [%s].", key->bytes);

                struct Allocator* perCallAlloc = Allocator_child(ctx->alloc);
                // Turn the dict from the config into our RPC args dict by filling in all
                // the arguments,
                Dict_putString(value, String_CONST("macAddress"), key, perCallAlloc);
                Dict_putInt(value, String_CONST("interfaceNumber"), i, perCallAlloc);
                rpcCall(String_CONST("ETHInterface_beginConnection"), value, ctx, perCallAlloc);
                Allocator_free(perCallAlloc);

                entry = entry->next;
            }
        }

        int64_t* beaconP = Dict_getInt(eth, String_CONST("beacon"));
        if (beaconP) {
            int64_t beacon = *beaconP;
            if (beacon > 3 || beacon < 0) {
                Log_error(ctx->logger, "interfaces.ETHInterface.beacon may only be 0, 1,or 2");
            } else {
                // We can cast beacon to an int here because we know it's small enough
                Log_info(ctx->logger, "Setting beacon mode on ETHInterface to [%d].", (int) beacon);
                Dict d = Dict_CONST(String_CONST("interfaceNumber"), Int_OBJ(i),
                         Dict_CONST(String_CONST("state"), Int_OBJ(beacon), NULL));
                rpcCall(String_CONST("ETHInterface_beacon"), &d, ctx, ctx->alloc);
            }
        }
    }
}