ics-openvpn as a submodule! beautiful

ics-openvpn is now officially on GitHub, and they track openssl and
openvpn as submodules, so it's easier to update everything. Just a git
submodule update --recursive.

I've also set up soft links to native modules from ics-openvpn in app,
so that we don't copy files in Gradle (which was causing problems with
the submodules .git* files, not being copied). That makes the repo
cleaner.

1 files changed, 0 insertions, 455 deletions

diff --git a/app/openssl/crypto/cms/cms_pwri.c b/app/openssl/crypto/cms/cms_pwri.c
deleted file mode 100644
index 71f2ddb4..00000000
--- a/app/openssl/crypto/cms/cms_pwri.c
+++ /dev/null
@@ -1,455 +0,0 @@
-/* crypto/cms/cms_pwri.c */
-/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
- * project.
- */
-/* ====================================================================
- * Copyright (c) 2009 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.
- * ====================================================================
- */
-
-#include "cryptlib.h"
-#include <openssl/asn1t.h>
-#include <openssl/pem.h>
-#include <openssl/x509v3.h>
-#include <openssl/err.h>
-#include <openssl/cms.h>
-#include <openssl/rand.h>
-#include <openssl/aes.h>
-#include "cms_lcl.h"
-#include "asn1_locl.h"
-
-int CMS_RecipientInfo_set0_password(CMS_RecipientInfo *ri, 
-				unsigned char *pass, ossl_ssize_t passlen)
-	{
-	CMS_PasswordRecipientInfo *pwri;
-	if (ri->type != CMS_RECIPINFO_PASS)
-		{
-		CMSerr(CMS_F_CMS_RECIPIENTINFO_SET0_PASSWORD, CMS_R_NOT_PWRI);
-		return 0;
-		}
-
-	pwri = ri->d.pwri;
-	pwri->pass = pass;
-	if (pass && passlen < 0)
-		passlen = strlen((char *)pass);
-	pwri->passlen = passlen;
-	return 1;
-	}
-
-CMS_RecipientInfo *CMS_add0_recipient_password(CMS_ContentInfo *cms,
-					int iter, int wrap_nid, int pbe_nid,
-					unsigned char *pass,
-					ossl_ssize_t passlen,
-					const EVP_CIPHER *kekciph)
-	{
-	CMS_RecipientInfo *ri = NULL;
-	CMS_EnvelopedData *env;
-	CMS_PasswordRecipientInfo *pwri;
-	EVP_CIPHER_CTX ctx;
-	X509_ALGOR *encalg = NULL;
-	unsigned char iv[EVP_MAX_IV_LENGTH];
-	int ivlen;
-
-	env = cms_get0_enveloped(cms);
-	if (!env)
-		return NULL;
-
-	if (wrap_nid <= 0)
-		wrap_nid = NID_id_alg_PWRI_KEK;
-
-	if (pbe_nid <= 0)
-		pbe_nid = NID_id_pbkdf2;
-
-	/* Get from enveloped data */
-	if (kekciph == NULL)
-		kekciph = env->encryptedContentInfo->cipher;
-
-	if (kekciph == NULL)
-		{
-		CMSerr(CMS_F_CMS_ADD0_RECIPIENT_PASSWORD, CMS_R_NO_CIPHER);
-		return NULL;
-		}
-	if (wrap_nid != NID_id_alg_PWRI_KEK)
-		{
-		CMSerr(CMS_F_CMS_ADD0_RECIPIENT_PASSWORD,
-				CMS_R_UNSUPPORTED_KEY_ENCRYPTION_ALGORITHM);
-		return NULL;
-		}
-
-	/* Setup algorithm identifier for cipher */
-	encalg = X509_ALGOR_new();
-	EVP_CIPHER_CTX_init(&ctx);
-
-	if (EVP_EncryptInit_ex(&ctx, kekciph, NULL, NULL, NULL) <= 0)
-		{
-		CMSerr(CMS_F_CMS_ADD0_RECIPIENT_PASSWORD, ERR_R_EVP_LIB);
-		goto err;
-		}
-
-	ivlen = EVP_CIPHER_CTX_iv_length(&ctx);
-
-	if (ivlen > 0)
-		{
-		if (RAND_pseudo_bytes(iv, ivlen) <= 0)
-			goto err;
-		if (EVP_EncryptInit_ex(&ctx, NULL, NULL, NULL, iv) <= 0)
-			{
-			CMSerr(CMS_F_CMS_ADD0_RECIPIENT_PASSWORD,
-							ERR_R_EVP_LIB);
-			goto err;
-			}
-		encalg->parameter = ASN1_TYPE_new();
-		if (!encalg->parameter)
-			{
-			CMSerr(CMS_F_CMS_ADD0_RECIPIENT_PASSWORD,
-							ERR_R_MALLOC_FAILURE);
-			goto err;
-			}
-		if (EVP_CIPHER_param_to_asn1(&ctx, encalg->parameter) <= 0)
-			{
-			CMSerr(CMS_F_CMS_ADD0_RECIPIENT_PASSWORD,
-				CMS_R_CIPHER_PARAMETER_INITIALISATION_ERROR);
-			goto err;
-			}
-		}
-
-
-	encalg->algorithm = OBJ_nid2obj(EVP_CIPHER_CTX_type(&ctx));
-
-	EVP_CIPHER_CTX_cleanup(&ctx);
-
-	/* Initialize recipient info */
-	ri = M_ASN1_new_of(CMS_RecipientInfo);
-	if (!ri)
-		goto merr;
-
-	ri->d.pwri = M_ASN1_new_of(CMS_PasswordRecipientInfo);
-	if (!ri->d.pwri)
-		goto merr;
-	ri->type = CMS_RECIPINFO_PASS;
-
-	pwri = ri->d.pwri;
-	/* Since this is overwritten, free up empty structure already there */
-	X509_ALGOR_free(pwri->keyEncryptionAlgorithm);
-	pwri->keyEncryptionAlgorithm = X509_ALGOR_new();
-	if (!pwri->keyEncryptionAlgorithm)
-		goto merr;
-	pwri->keyEncryptionAlgorithm->algorithm = OBJ_nid2obj(wrap_nid);
-	pwri->keyEncryptionAlgorithm->parameter = ASN1_TYPE_new();
-	if (!pwri->keyEncryptionAlgorithm->parameter)
-		goto merr;
-
-        if(!ASN1_item_pack(encalg, ASN1_ITEM_rptr(X509_ALGOR),
-	    &pwri->keyEncryptionAlgorithm->parameter->value.sequence))
-		goto merr;
-        pwri->keyEncryptionAlgorithm->parameter->type = V_ASN1_SEQUENCE;
-
-	X509_ALGOR_free(encalg);
-	encalg = NULL;
-
-	/* Setup PBE algorithm */
-
-	pwri->keyDerivationAlgorithm = PKCS5_pbkdf2_set(iter, NULL, 0, -1, -1);
-
-	if (!pwri->keyDerivationAlgorithm)
-		goto err;
-
-	CMS_RecipientInfo_set0_password(ri, pass, passlen);
-	pwri->version = 0;
-
-	if (!sk_CMS_RecipientInfo_push(env->recipientInfos, ri))
-		goto merr;
-
-	return ri;
-
-	merr:
-	CMSerr(CMS_F_CMS_ADD0_RECIPIENT_PASSWORD, ERR_R_MALLOC_FAILURE);
-	err:
-	EVP_CIPHER_CTX_cleanup(&ctx);
-	if (ri)
-		M_ASN1_free_of(ri, CMS_RecipientInfo);
-	if (encalg)
-		X509_ALGOR_free(encalg);
-	return NULL;
-
-	}
-
-/* This is an implementation of the key wrapping mechanism in RFC3211,
- * at some point this should go into EVP.
- */
-
-static int kek_unwrap_key(unsigned char *out, size_t *outlen,
-		const unsigned char *in, size_t inlen, EVP_CIPHER_CTX *ctx)
-	{
-	size_t blocklen = EVP_CIPHER_CTX_block_size(ctx);
-	unsigned char *tmp;
-	int outl, rv = 0;
-	if (inlen < 2 * blocklen)
-		{
-		/* too small */
-		return 0;
-		}
-	if (inlen % blocklen)
-		{
-		/* Invalid size */
-		return 0;
-		}
-	tmp = OPENSSL_malloc(inlen);
-	/* setup IV by decrypting last two blocks */
-	EVP_DecryptUpdate(ctx, tmp + inlen - 2 * blocklen, &outl,
-				in  + inlen - 2 * blocklen, blocklen * 2);
-	/* Do a decrypt of last decrypted block to set IV to correct value
-	 * output it to start of buffer so we don't corrupt decrypted block
-	 * this works because buffer is at least two block lengths long.
-	 */
-	EVP_DecryptUpdate(ctx, tmp, &outl,
-				tmp  + inlen - blocklen, blocklen);
-	/* Can now decrypt first n - 1 blocks */
-	EVP_DecryptUpdate(ctx, tmp, &outl, in, inlen - blocklen);
-
-	/* Reset IV to original value */
-	EVP_DecryptInit_ex(ctx, NULL, NULL, NULL, NULL);
-	/* Decrypt again */
-	EVP_DecryptUpdate(ctx, tmp, &outl, tmp, inlen);
-	/* Check check bytes */
-	if (((tmp[1] ^ tmp[4]) & (tmp[2] ^ tmp[5]) & (tmp[3] ^ tmp[6])) != 0xff)
-		{
-		/* Check byte failure */
-		goto err;
-		}
-	if (inlen < (size_t)(tmp[0] - 4 ))
-		{
-		/* Invalid length value */
-		goto err;
-		}
-	*outlen = (size_t)tmp[0];
-	memcpy(out, tmp + 4, *outlen);
-	rv = 1;
-	err:
-	OPENSSL_cleanse(tmp, inlen);
-	OPENSSL_free(tmp);
-	return rv;
-
-	}
-
-static int kek_wrap_key(unsigned char *out, size_t *outlen,
-		const unsigned char *in, size_t inlen, EVP_CIPHER_CTX *ctx)
-	{
-	size_t blocklen = EVP_CIPHER_CTX_block_size(ctx);
-	size_t olen;
-	int dummy;
-	/* First decide length of output buffer: need header and round up to
-	 * multiple of block length.
-	 */
-	olen = (inlen + 4 + blocklen - 1)/blocklen;
-	olen *= blocklen;
-	if (olen < 2 * blocklen)
-		{
-		/* Key too small */
-		return 0;
-		}
-	if (inlen > 0xFF)
-		{
-		/* Key too large */
-		return 0;
-		}
-	if (out)
-		{
-		/* Set header */
-		out[0] = (unsigned char)inlen;
-		out[1] = in[0] ^ 0xFF;
-		out[2] = in[1] ^ 0xFF;
-		out[3] = in[2] ^ 0xFF;
-		memcpy(out + 4, in, inlen);
-		/* Add random padding to end */
-		if (olen > inlen + 4)
-			RAND_pseudo_bytes(out + 4 + inlen, olen - 4 - inlen);
-		/* Encrypt twice */
-		EVP_EncryptUpdate(ctx, out, &dummy, out, olen);
-		EVP_EncryptUpdate(ctx, out, &dummy, out, olen);
-		}
-
-	*outlen = olen;
-
-	return 1;
-	}
-
-/* Encrypt/Decrypt content key in PWRI recipient info */
-
-int cms_RecipientInfo_pwri_crypt(CMS_ContentInfo *cms, CMS_RecipientInfo *ri,
-							int en_de)
-	{
-	CMS_EncryptedContentInfo *ec;
-	CMS_PasswordRecipientInfo *pwri;
-	const unsigned char *p = NULL;
-	int plen;
-	int r = 0;
-	X509_ALGOR *algtmp, *kekalg = NULL;
-	EVP_CIPHER_CTX kekctx;
-	const EVP_CIPHER *kekcipher;
-	unsigned char *key = NULL;
-	size_t keylen;
-
-	ec = cms->d.envelopedData->encryptedContentInfo;
-
-	pwri = ri->d.pwri;
-	EVP_CIPHER_CTX_init(&kekctx);
-
-	if (!pwri->pass)
-		{
-		CMSerr(CMS_F_CMS_RECIPIENTINFO_PWRI_CRYPT, CMS_R_NO_PASSWORD);
-		return 0;
-		}
-	algtmp = pwri->keyEncryptionAlgorithm;
-
-	if (!algtmp || OBJ_obj2nid(algtmp->algorithm) != NID_id_alg_PWRI_KEK)
-		{
-		CMSerr(CMS_F_CMS_RECIPIENTINFO_PWRI_CRYPT,
-				CMS_R_UNSUPPORTED_KEY_ENCRYPTION_ALGORITHM);
-		return 0;
-		}
-
-	if (algtmp->parameter->type == V_ASN1_SEQUENCE)
-		{
-		p = algtmp->parameter->value.sequence->data;
-		plen = algtmp->parameter->value.sequence->length;
-		kekalg = d2i_X509_ALGOR(NULL, &p, plen);
-		}
-	if (kekalg == NULL)
-		{
-		CMSerr(CMS_F_CMS_RECIPIENTINFO_PWRI_CRYPT,
-				CMS_R_INVALID_KEY_ENCRYPTION_PARAMETER);
-		return 0;
-		}
-
-	kekcipher = EVP_get_cipherbyobj(kekalg->algorithm);
-		
-	if(!kekcipher)
-		{
-		CMSerr(CMS_F_CMS_RECIPIENTINFO_PWRI_CRYPT,
-				CMS_R_UNKNOWN_CIPHER);
-		goto err;
-		}
-
-	/* Fixup cipher based on AlgorithmIdentifier to set IV etc */
-	if (!EVP_CipherInit_ex(&kekctx, kekcipher, NULL, NULL, NULL, en_de))
-		goto err;
-	EVP_CIPHER_CTX_set_padding(&kekctx, 0);
-	if(EVP_CIPHER_asn1_to_param(&kekctx, kekalg->parameter) < 0)
-		{
-		CMSerr(CMS_F_CMS_RECIPIENTINFO_PWRI_CRYPT,
-				CMS_R_CIPHER_PARAMETER_INITIALISATION_ERROR);
-		goto err;
-		}
-
-	algtmp = pwri->keyDerivationAlgorithm;
-
-	/* Finish password based key derivation to setup key in "ctx" */
-
-	if (EVP_PBE_CipherInit(algtmp->algorithm,
-				(char *)pwri->pass, pwri->passlen,
-				algtmp->parameter, &kekctx, en_de) < 0)
-		{
-		CMSerr(CMS_F_CMS_RECIPIENTINFO_PWRI_CRYPT, ERR_R_EVP_LIB);
-		goto err;
-		}
-
-	/* Finally wrap/unwrap the key */
-
-	if (en_de)
-		{
-
-		if (!kek_wrap_key(NULL, &keylen, ec->key, ec->keylen, &kekctx))
-			goto err;
-
-		key = OPENSSL_malloc(keylen);
-
-		if (!key)
-			goto err;
-
-		if (!kek_wrap_key(key, &keylen, ec->key, ec->keylen, &kekctx))
-			goto err;
-		pwri->encryptedKey->data = key;
-		pwri->encryptedKey->length = keylen;
-		}
-	else
-		{
-		key = OPENSSL_malloc(pwri->encryptedKey->length);
-
-		if (!key)
-			{
-			CMSerr(CMS_F_CMS_RECIPIENTINFO_PWRI_CRYPT,
-							ERR_R_MALLOC_FAILURE);
-			goto err;
-			}
-		if (!kek_unwrap_key(key, &keylen,
-					pwri->encryptedKey->data,
-					pwri->encryptedKey->length, &kekctx))
-			{
-			CMSerr(CMS_F_CMS_RECIPIENTINFO_PWRI_CRYPT,
-							CMS_R_UNWRAP_FAILURE);
-			goto err;
-			}
-
-		ec->key = key;
-		ec->keylen = keylen;
-
-		}
-
-	r = 1;
-
-	err:
-
-	EVP_CIPHER_CTX_cleanup(&kekctx);
-
-	if (!r && key)
-		OPENSSL_free(key);
-	X509_ALGOR_free(kekalg);
-
-	return r;
-
-	}