ndn_Error
ndn_TcpTransport_isLocal(const char *host, int *result)
{
// Imitate ndn_SocketTransport_connect to use getaddrinfo.
struct addrinfo hints;
struct addrinfo *serverInfo;
char ipString[INET6_ADDRSTRLEN];
ndn_memset((uint8_t *)&hints, 0, sizeof(hints));
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
if (getaddrinfo(host, NULL, &hints, &serverInfo) != 0)
return NDN_ERROR_SocketTransport_error_in_getaddrinfo;
// Only look at the first serverInfo.
if (serverInfo->ai_family == AF_INET) {
struct sockaddr_in *ipv4 = (struct sockaddr_in *)serverInfo->ai_addr;
inet_ntop(serverInfo->ai_family, &ipv4->sin_addr, ipString, sizeof(ipString));
*result = (ndn_memcmp((const uint8_t *)ipString,
(const uint8_t *)"127.", 4) == 0 ? 1 : 0);
}
else {
struct sockaddr_in6 *ipv6 = (struct sockaddr_in6 *)serverInfo->ai_addr;
inet_ntop(serverInfo->ai_family, &ipv6->sin6_addr, ipString, sizeof(ipString));
*result = (strcmp(ipString, "::1") == 0 ? 1 : 0);
}
freeaddrinfo(serverInfo);
return NDN_ERROR_success;
}
bool
PolicyManager::verifyDigestSha256Signature
(const Blob& signature, const SignedBlob& signedBlob)
{
// Set signedPortionDigest to the digest of the signed portion of the signedBlob.
uint8_t signedPortionDigest[SHA256_DIGEST_LENGTH];
ndn_digestSha256
(signedBlob.signedBuf(), signedBlob.signedSize(), signedPortionDigest);
return signature.size() == sizeof(signedPortionDigest) && ndn_memcmp
(signature.buf(), signedPortionDigest, sizeof(signedPortionDigest)) == 0;
}
