static void adminDisconnectPeer(Dict* args,
void* vcontext,
String* txid,
struct Allocator* requestAlloc)
{
struct Context* context = Identity_check((struct Context*)vcontext);
String* pubkeyString = Dict_getString(args, String_CONST("pubkey"));
// parse the key
uint8_t pubkey[32];
uint8_t addr[16];
int error = Key_parse(pubkeyString, pubkey, addr);
char* errorMsg = NULL;
if (error) {
errorMsg = "bad key";
} else {
// try to remove the peer if the key is valid
error = InterfaceController_disconnectPeer(context->ic,pubkey);
if (error) {
errorMsg = "no peer found for that key";
}
}
Dict* response = Dict_new(requestAlloc);
Dict_putInt(response, String_CONST("success"), error ? 0 : 1, requestAlloc);
if (error) {
Dict_putString(response, String_CONST("error"), String_CONST(errorMsg), requestAlloc);
}
Admin_sendMessage(response, txid, context->admin);
}
static void allowConnection(Dict* args, void* vcontext, String* txid)
{
struct Context* context = (struct Context*) vcontext;
String* publicKeyOfAuthorizedNode =
Dict_getString(args, String_CONST("publicKeyOfAuthorizedNode"));
String* ip6Address = Dict_getString(args, String_CONST("ip6Address"));
String* ip4Address = Dict_getString(args, String_CONST("ip4Address"));
uint8_t pubKey[32];
uint8_t ip6Addr[16];
uint8_t ip6ToGive[16];
uint8_t ip4ToGive[4];
char* error;
int ret;
if (!ip6Address && !ip4Address) {
error = "Must specify ip6Address or ip4Address";
} else if ((ret = Key_parse(publicKeyOfAuthorizedNode, pubKey, ip6Addr)) != 0) {
error = Key_parse_strerror(ret);
} else if (ip6Address && evutil_inet_pton(AF_INET6, ip6Address->bytes, ip6ToGive) < 1) {
error = "malformed ip6Address";
} else if (ip4Address && evutil_inet_pton(AF_INET, ip4Address->bytes, ip4ToGive) < 1) {
error = "malformed ip4Address";
} else {
int conn = IpTunnel_allowConnection(pubKey,
(ip6Address) ? ip6ToGive : NULL,
(ip4Address) ? ip4ToGive : NULL,
context->ipTun);
sendResponse(conn, txid, context->admin);
return;
}
sendError(error, txid, context->admin);
}
int main(int argc, char** argv)
{
if (argc < 2) {
return usage(argv[0]);
}
uint8_t keyBytes[32];
uint8_t ip6Bytes[16];
String key = { .bytes = argv[1], .len = strlen(argv[1]) };
int ret = Key_parse(&key, keyBytes, ip6Bytes);
switch (ret) {
case Key_parse_TOO_SHORT: fprintf(stderr, "ERROR: Key_parse_TOO_SHORT\n"); return 1;
case Key_parse_MALFORMED: fprintf(stderr, "ERROR: Key_parse_MALFORMED\n"); return 1;
case Key_parse_DECODE_FAILED: fprintf(stderr, "ERROR: Key_parse_DECODE_FAILED\n"); return 1;
case Key_parse_INVALID: fprintf(stderr, "ERROR: Key_parse_INVALID\n"); return 1;
case 0: break;
default: fprintf(stderr, "ERROR: unknown error [%d]\n", ret); return 1;
}
uint8_t output[40] = {0};
AddrTools_printIp(output, ip6Bytes);
printf("%s\n", output);
return 0;
}
static void adminResetPeering(Dict* args,
void* vcontext,
String* txid,
struct Allocator* requestAlloc)
{
struct Context* context = Identity_check((struct Context*)vcontext);
String* pubkeyString = Dict_getStringC(args, "pubkey");
int error = 0;
char* errorMsg = NULL;
if (pubkeyString) {
// parse the key
uint8_t pubkey[32];
uint8_t addr[16];
error = Key_parse(pubkeyString, pubkey, addr);
if (error) {
errorMsg = "bad key";
} else {
InterfaceController_resetPeering(context->ic, pubkey);
}
} else {
// reset all
InterfaceController_resetPeering(context->ic, NULL);
}
Dict* response = Dict_new(requestAlloc);
Dict_putIntC(response, "success", error ? 0 : 1, requestAlloc);
if (error) {
Dict_putStringCC(response, "error", errorMsg, requestAlloc);
}
Admin_sendMessage(response, txid, context->admin);
}
static void allowConnection(Dict* args,
void* vcontext,
String* txid,
struct Allocator* requestAlloc)
{
struct Context* context = (struct Context*) vcontext;
String* publicKeyOfAuthorizedNode =
Dict_getString(args, String_CONST("publicKeyOfAuthorizedNode"));
String* ip6Address = Dict_getString(args, String_CONST("ip6Address"));
int64_t* ip6Prefix = Dict_getInt(args, String_CONST("ip6Prefix"));
String* ip4Address = Dict_getString(args, String_CONST("ip4Address"));
int64_t* ip4Prefix = Dict_getInt(args, String_CONST("ip4Prefix"));
uint8_t pubKey[32];
uint8_t ip6Addr[16];
struct Sockaddr_storage ip6ToGive;
struct Sockaddr_storage ip4ToGive;
char* error;
int ret;
if (!ip6Address && !ip4Address) {
error = "Must specify ip6Address or ip4Address";
} else if ((ret = Key_parse(publicKeyOfAuthorizedNode, pubKey, ip6Addr)) != 0) {
error = Key_parse_strerror(ret);
} else if (ip6Prefix && !ip6Address) {
error = "Must specify ip6Address with ip6Prefix";
} else if (ip6Prefix && (*ip6Prefix > 128 || *ip6Prefix < 0)) {
error = "ip6Prefix out of range: must be 0 to 128";
} else if (ip4Prefix && (*ip4Prefix > 32 || *ip4Prefix < 0)) {
error = "ip4Prefix out of range: must be 0 to 32";
} else if (ip4Prefix && !ip4Address) {
error = "Must specify ip4Address with ip4Prefix";
} else if (ip6Address
&& (Sockaddr_parse(ip6Address->bytes, &ip6ToGive)
|| Sockaddr_getFamily(&ip6ToGive.addr) != Sockaddr_AF_INET6))
{
error = "malformed ip6Address";
} else if (ip4Address
&& (Sockaddr_parse(ip4Address->bytes, &ip4ToGive)
|| Sockaddr_getFamily(&ip4ToGive.addr) != Sockaddr_AF_INET))
{
error = "malformed ip4Address";
} else {
int conn = IpTunnel_allowConnection(pubKey,
(ip6Address) ? &ip6ToGive.addr : NULL,
(ip6Prefix) ? (uint8_t) (*ip6Prefix) : 0,
(ip4Address) ? &ip4ToGive.addr : NULL,
(ip4Prefix) ? (uint8_t) (*ip4Prefix) : 0,
context->ipTun);
sendResponse(conn, txid, context->admin);
return;
}
sendError(error, txid, context->admin);
}
static void beginConnection(Dict* args, void* vcontext, String* txid)
{
struct Context* ctx = vcontext;
String* password = Dict_getString(args, String_CONST("password"));
String* publicKey = Dict_getString(args, String_CONST("publicKey"));
String* address = Dict_getString(args, String_CONST("address"));
int64_t* interfaceNumber = Dict_getInt(args, String_CONST("interfaceNumber"));
uint32_t ifNum = (interfaceNumber) ? ((uint32_t) *interfaceNumber) : 0;
String* error = NULL;
uint8_t pkBytes[32];
int ret;
if (ctx->ifCount == 0) {
error = String_CONST("no interfaces are setup, call UDPInterface_new() first");
} else if (interfaceNumber && (*interfaceNumber >= ctx->ifCount || *interfaceNumber < 0)) {
error = String_CONST("invalid interfaceNumber");
} else if ((ret = Key_parse(publicKey, pkBytes, NULL))) {
error = String_CONST(Key_parse_strerror(ret));
} else {
struct UDPInterface* udpif = ctx->ifaces[ifNum];
switch (UDPInterface_beginConnection(address->bytes, pkBytes, password, udpif)) {
case UDPInterface_beginConnection_OUT_OF_SPACE:
error = String_CONST("no more space to register with the switch.");
break;
case UDPInterface_beginConnection_BAD_KEY:
error = String_CONST("invalid cjdns public key.");
break;
case UDPInterface_beginConnection_BAD_ADDRESS:
error = String_CONST("unable to parse ip address and port.");
break;
case UDPInterface_beginConnection_ADDRESS_MISMATCH:
error = String_CONST("different address type than this socket is bound to.");
break;
case 0:
error = String_CONST("none");
break;
default:
error = String_CONST("unknown error");
}
}
Dict out = Dict_CONST(String_CONST("error"), String_OBJ(error), NULL);
Admin_sendMessage(&out, txid, ctx->admin);
}
static void connectTo(Dict* args, void* vcontext, String* txid)
{
struct Context* context = vcontext;
String* publicKeyOfNodeToConnectTo =
Dict_getString(args, String_CONST("publicKeyOfNodeToConnectTo"));
uint8_t pubKey[32];
uint8_t ip6[16];
int ret;
if ((ret = Key_parse(publicKeyOfNodeToConnectTo, pubKey, ip6)) != 0) {
sendError(Key_parse_strerror(ret), txid, context->admin);
return;
}
int conn = IpTunnel_connectTo(pubKey, context->ipTun);
sendResponse(conn, txid, context->admin);
}
static void beginConnection(Dict* args,
void* vcontext,
String* txid,
struct Allocator* requestAlloc)
{
struct Context* ctx = vcontext;
String* password = Dict_getString(args, String_CONST("password"));
String* publicKey = Dict_getString(args, String_CONST("publicKey"));
String* address = Dict_getString(args, String_CONST("address"));
int64_t* interfaceNumber = Dict_getInt(args, String_CONST("interfaceNumber"));
uint32_t ifNum = (interfaceNumber) ? ((uint32_t) *interfaceNumber) : 0;
String* peerName = Dict_getString(args, String_CONST("peerName"));
String* error = NULL;
Log_debug(ctx->logger, "Peering with [%s]", publicKey->bytes);
struct Sockaddr_storage ss;
uint8_t pkBytes[32];
int ret;
if (interfaceNumber && *interfaceNumber < 0) {
error = String_CONST("negative interfaceNumber");
} else if ((ret = Key_parse(publicKey, pkBytes, NULL))) {
error = String_CONST(Key_parse_strerror(ret));
} else if (Sockaddr_parse(address->bytes, &ss)) {
error = String_CONST("unable to parse ip address and port.");
} else if (Sockaddr_getFamily(&ss.addr) != Sockaddr_getFamily(ctx->udpIf->addr)) {
error = String_CONST("different address type than this socket is bound to.");
} else {
struct Sockaddr* addr = &ss.addr;
char* addrPtr = NULL;
int addrLen = Sockaddr_getAddress(&ss.addr, &addrPtr);
Assert_true(addrLen > 0);
struct Allocator* tempAlloc = Allocator_child(ctx->alloc);
if (Bits_isZero(addrPtr, addrLen)) {
// unspec'd address, convert to loopback
if (Sockaddr_getFamily(addr) == Sockaddr_AF_INET) {
addr = Sockaddr_clone(Sockaddr_LOOPBACK, tempAlloc);
} else if (Sockaddr_getFamily(addr) == Sockaddr_AF_INET6) {
addr = Sockaddr_clone(Sockaddr_LOOPBACK6, tempAlloc);
} else {
Assert_failure("Sockaddr which is not AF_INET nor AF_INET6");
}
Sockaddr_setPort(addr, Sockaddr_getPort(&ss.addr));
}
int ret = InterfaceController_bootstrapPeer(
ctx->ic, ifNum, pkBytes, addr, password, peerName, ctx->alloc);
Allocator_free(tempAlloc);
if (ret) {
switch(ret) {
case InterfaceController_bootstrapPeer_BAD_IFNUM:
error = String_CONST("no such interface for interfaceNumber");
break;
case InterfaceController_bootstrapPeer_BAD_KEY:
error = String_CONST("invalid cjdns public key.");
break;
case InterfaceController_bootstrapPeer_OUT_OF_SPACE:
error = String_CONST("no more space to register with the switch.");
break;
default:
error = String_CONST("unknown error");
break;
}
} else {
error = String_CONST("none");
}
}
Dict out = Dict_CONST(String_CONST("error"), String_OBJ(error), NULL);
Admin_sendMessage(&out, txid, ctx->admin);
}
