-Added OpenSSL and HTTPS support

-Built-in version of the library for Windows, Android and iOS (other OSs use system one)
-Small fixes all around

1 files changed, 271 insertions, 0 deletions

diff --git a/drivers/builtin_openssl/crypto/hmac/hm_pmeth.c b/drivers/builtin_openssl/crypto/hmac/hm_pmeth.c
new file mode 100644
index 0000000000..0daa44511d
--- /dev/null
+++ b/drivers/builtin_openssl/crypto/hmac/hm_pmeth.c
@@ -0,0 +1,271 @@
+/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
+ * project 2007.
+ */
+/* ====================================================================
+ * Copyright (c) 2007 The OpenSSL Project.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer. 
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+#include <stdio.h>
+#include "cryptlib.h"
+#include <openssl/x509.h>
+#include <openssl/x509v3.h>
+#include <openssl/evp.h>
+#include <openssl/hmac.h>
+#include "evp_locl.h"
+
+/* HMAC pkey context structure */
+
+typedef struct
+	{
+	const EVP_MD *md;	/* MD for HMAC use */
+	ASN1_OCTET_STRING ktmp; /* Temp storage for key */
+	HMAC_CTX ctx;
+	} HMAC_PKEY_CTX;
+
+static int pkey_hmac_init(EVP_PKEY_CTX *ctx)
+	{
+	HMAC_PKEY_CTX *hctx;
+	hctx = OPENSSL_malloc(sizeof(HMAC_PKEY_CTX));
+	if (!hctx)
+		return 0;
+	hctx->md = NULL;
+	hctx->ktmp.data = NULL;
+	hctx->ktmp.length = 0;
+	hctx->ktmp.flags = 0;
+	hctx->ktmp.type = V_ASN1_OCTET_STRING;
+	HMAC_CTX_init(&hctx->ctx);
+
+	ctx->data = hctx;
+	ctx->keygen_info_count = 0;
+
+	return 1;
+	}
+
+static int pkey_hmac_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)
+	{
+	HMAC_PKEY_CTX *sctx, *dctx;
+	if (!pkey_hmac_init(dst))
+		return 0;
+       	sctx = src->data;
+	dctx = dst->data;
+	dctx->md = sctx->md;
+	HMAC_CTX_init(&dctx->ctx);
+	if (!HMAC_CTX_copy(&dctx->ctx, &sctx->ctx))
+		return 0;
+	if (sctx->ktmp.data)
+		{
+		if (!ASN1_OCTET_STRING_set(&dctx->ktmp,
+					sctx->ktmp.data, sctx->ktmp.length))
+			return 0;
+		}
+	return 1;
+	}
+
+static void pkey_hmac_cleanup(EVP_PKEY_CTX *ctx)
+	{
+	HMAC_PKEY_CTX *hctx = ctx->data;
+	HMAC_CTX_cleanup(&hctx->ctx);
+	if (hctx->ktmp.data)
+		{
+		if (hctx->ktmp.length)
+			OPENSSL_cleanse(hctx->ktmp.data, hctx->ktmp.length);
+		OPENSSL_free(hctx->ktmp.data);
+		hctx->ktmp.data = NULL;
+		}
+	OPENSSL_free(hctx);
+	}
+
+static int pkey_hmac_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
+	{
+	ASN1_OCTET_STRING *hkey = NULL;
+	HMAC_PKEY_CTX *hctx = ctx->data;
+	if (!hctx->ktmp.data)
+		return 0;
+	hkey = ASN1_OCTET_STRING_dup(&hctx->ktmp);
+	if (!hkey)
+		return 0;
+	EVP_PKEY_assign(pkey, EVP_PKEY_HMAC, hkey);
+	
+	return 1;
+	}
+
+static int int_update(EVP_MD_CTX *ctx,const void *data,size_t count)
+	{
+	HMAC_PKEY_CTX *hctx = ctx->pctx->data;
+	if (!HMAC_Update(&hctx->ctx, data, count))
+		return 0;
+	return 1;
+	}
+
+static int hmac_signctx_init(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx)
+	{
+	HMAC_PKEY_CTX *hctx = ctx->data;
+	HMAC_CTX_set_flags(&hctx->ctx, mctx->flags & ~EVP_MD_CTX_FLAG_NO_INIT);
+	EVP_MD_CTX_set_flags(mctx, EVP_MD_CTX_FLAG_NO_INIT);
+	mctx->update = int_update;
+	return 1;
+	}
+
+static int hmac_signctx(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
+					EVP_MD_CTX *mctx)
+	{
+	unsigned int hlen;
+	HMAC_PKEY_CTX *hctx = ctx->data;
+	int l = EVP_MD_CTX_size(mctx);
+
+	if (l < 0)
+		return 0;
+	*siglen = l;
+	if (!sig)
+		return 1;
+
+	if (!HMAC_Final(&hctx->ctx, sig, &hlen))
+		return 0;
+	*siglen = (size_t)hlen;
+	return 1;
+	}
+
+static int pkey_hmac_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
+	{
+	HMAC_PKEY_CTX *hctx = ctx->data;
+	ASN1_OCTET_STRING *key;
+	switch (type)
+		{
+
+		case EVP_PKEY_CTRL_SET_MAC_KEY:
+		if ((!p2 && p1 > 0) || (p1 < -1))
+			return 0;
+		if (!ASN1_OCTET_STRING_set(&hctx->ktmp, p2, p1))
+			return 0;
+		break;
+
+		case EVP_PKEY_CTRL_MD:
+		hctx->md = p2;
+		break;
+
+		case EVP_PKEY_CTRL_DIGESTINIT:
+		key = (ASN1_OCTET_STRING *)ctx->pkey->pkey.ptr;
+		if (!HMAC_Init_ex(&hctx->ctx, key->data, key->length, hctx->md,
+				ctx->engine))
+			return 0;
+		break;
+
+		default:
+		return -2;
+
+		}
+	return 1;
+	}
+
+static int pkey_hmac_ctrl_str(EVP_PKEY_CTX *ctx,
+			const char *type, const char *value)
+	{
+	if (!value)
+		{
+		return 0;
+		}
+	if (!strcmp(type, "key"))
+		{
+		void *p = (void *)value;
+		return pkey_hmac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY,
+				-1, p);
+		}
+	if (!strcmp(type, "hexkey"))
+		{
+		unsigned char *key;
+		int r;
+		long keylen;
+		key = string_to_hex(value, &keylen);
+		if (!key)
+			return 0;
+		r = pkey_hmac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, keylen, key);
+		OPENSSL_free(key);
+		return r;
+		}
+	return -2;
+	}
+
+const EVP_PKEY_METHOD hmac_pkey_meth = 
+	{
+	EVP_PKEY_HMAC,
+	0,
+	pkey_hmac_init,
+	pkey_hmac_copy,
+	pkey_hmac_cleanup,
+
+	0, 0,
+
+	0,
+	pkey_hmac_keygen,
+
+	0, 0,
+
+	0, 0,
+
+	0,0,
+
+	hmac_signctx_init,
+	hmac_signctx,
+
+	0,0,
+
+	0,0,
+
+	0,0,
+
+	0,0,
+
+	pkey_hmac_ctrl,
+	pkey_hmac_ctrl_str
+
+	};