diff options
| -rw-r--r-- | src/openssl.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/src/openssl.c b/src/openssl.c index e902edf..2b363d5 100644 --- a/src/openssl.c +++ b/src/openssl.c @@ -297,6 +297,10 @@ #define HAVE_SSL_SET1_PARAM OPENSSL_PREREQ(1,0,2) #endif +#ifndef HAVE_SSL_GET_CLIENT_RANDOM +#define HAVE_SSL_GET_CLIENT_RANDOM OPENSSL_PREREQ(1,1,0) +#endif + #ifndef HAVE_SSL_GET_TLSEXT_STATUS_TYPE #define HAVE_SSL_GET_TLSEXT_STATUS_TYPE OPENSSL_PREREQ(1,1,0) #endif @@ -1576,6 +1580,18 @@ static void compat_RSA_set0_key(RSA *r, BIGNUM *n, BIGNUM *e, BIGNUM *d) { } /* compat_RSA_set0_key() */ #endif +#if !HAVE_SSL_GET_CLIENT_RANDOM +#define SSL_get_client_random(...) compat_SSL_get_client_random(__VA_ARGS__) +static size_t compat_SSL_get_client_random(const SSL *ssl, unsigned char *out, size_t outlen) { + if (outlen == 0) + return sizeof(ssl->s3->client_random); + if (outlen > sizeof(ssl->s3->client_random)) + outlen = sizeof(ssl->s3->client_random); + memcpy(out, ssl->s3->client_random, outlen); + return outlen; +} +#endif + #if !HAVE_SSL_CLIENT_VERSION #define SSL_client_version(...) compat_SSL_client_version(__VA_ARGS__) @@ -8474,6 +8490,31 @@ static int ssl_getVersion(lua_State *L) { } /* ssl_getVersion() */ +static int ssl_getClientRandom(lua_State *L) { + SSL *ssl = checksimple(L, 1, SSL_CLASS); + luaL_Buffer B; + size_t len; + unsigned char *out; + + len = SSL_get_client_random(ssl, NULL, 0); +#if LUA_VERSION_NUM < 502 + if (LUAL_BUFFERSIZE < len) + luaL_error(L, "ssl:getClientRandom: LUAL_BUFFERSIZE(%d) < SSL_get_client_random(ssl, NULL, 0)", (int)LUAL_BUFFERSIZE, (int)len); + luaL_buffinit(L, &B); + out = luaL_prepbuffer(&B); + len = SSL_get_client_random(ssl, out, len); + luaL_addsize(&B, len); + luaL_pushresult(&B); +#else + out = luaL_buffinitsize(L, &B, len); + len = SSL_get_client_random(ssl, out, len); + luaL_pushresultsize(&B, len); +#endif + + return 1; +} /* ssl_getClientRandom() */ + + static int ssl_getClientVersion(lua_State *L) { SSL *ssl = checksimple(L, 1, SSL_CLASS); int format = luaL_checkoption(L, 2, "d", (const char *[]){ "d", ".", "f", NULL }); @@ -8650,6 +8691,7 @@ static const auxL_Reg ssl_methods[] = { { "getHostName", &ssl_getHostName }, { "setHostName", &ssl_setHostName }, { "getVersion", &ssl_getVersion }, + { "getClientRandom", &ssl_getClientRandom }, { "getClientVersion", &ssl_getClientVersion }, #if HAVE_SSL_GET0_ALPN_SELECTED { "getAlpnSelected", &ssl_getAlpnSelected }, |