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RPM: wvstreams

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Patch: wvstreams-4.6.1-openssl1.1.patch
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From 5506a74e1b033776ad441b4554716cdcfa88fe03 Mon Sep 17 00:00:00 2001
From: Reiner Herrmann <reiner@reiner-h.de>
Date: Sat, 28 Jul 2018 23:26:17 +0200
Subject: [PATCH] Port to OpenSSL 1.1
---
 crypto/wvcrl.cc           | 38 +++++++++++++-------------------------
 crypto/wvdiffiehellman.cc | 30 +++++++++++++++++++-----------
 crypto/wvdigest.cc        | 16 ++++++++--------
 crypto/wvocsp.cc          | 35 +++++++++--------------------------
 crypto/wvx509.cc          | 31 ++++++++++++++++---------------
 crypto/wvx509mgr.cc       | 27 ++++++++++++++++-----------
 include/wvdiffiehellman.h |  2 +-
 include/wvdigest.h        | 14 ++++++--------
 include/wvtripledes.h     | 10 +++++-----
 9 files changed, 93 insertions(+), 110 deletions(-)
diff --git a/crypto/wvcrl.cc b/crypto/wvcrl.cc
index fa00c760..880ad85d 100644
--- a/crypto/wvcrl.cc
+++ b/crypto/wvcrl.cc
@@ -357,31 +357,19 @@ bool WvCRL::isrevoked(WvStringParm serial_number) const
 	ASN1_INTEGER *serial = serial_to_int(serial_number);
 	if (serial)
 	{
-	    X509_REVOKED mayberevoked;
-	    mayberevoked.serialNumber = serial;
-	    if (crl->crl->revoked)
-	    {
-		int idx = sk_X509_REVOKED_find(crl->crl->revoked, 
-					       &mayberevoked);
-		ASN1_INTEGER_free(serial);
-		if (idx >= 0)
-                {
-                    debug("Certificate is revoked.\n");
-		    return true;
-                }
-                else
-                {
-                    debug("Certificate is not revoked.\n");
-		    return false;
-                }
-	    }
-	    else
-	    {
-		ASN1_INTEGER_free(serial);
-		debug("CRL does not have revoked list.\n");
-                return false;
-	    }
-	    
+	    X509_REVOKED *revoked_entry = NULL;
+	    int idx = X509_CRL_get0_by_serial(crl, &revoked_entry, serial);
+	    ASN1_INTEGER_free(serial);
+	    if (idx >= 1 || revoked_entry)
+            {
+                debug("Certificate is revoked.\n");
+	        return true;
+            }
+            else
+            {
+                debug("Certificate is not revoked.\n");
+	        return false;
+            }
 	}
 	else
 	    debug(WvLog::Warning, "Can't convert serial number to ASN1 format. "
diff --git a/crypto/wvdiffiehellman.cc b/crypto/wvdiffiehellman.cc
index 7c0bf329..15cd1040 100644
--- a/crypto/wvdiffiehellman.cc
+++ b/crypto/wvdiffiehellman.cc
@@ -39,24 +39,25 @@ WvDiffieHellman::WvDiffieHellman(const unsigned char *_key, int _keylen,
 {
     int problems;
     int check;
-    {
+
 	info = DH_new();
-	info->p = BN_bin2bn(_key, _keylen, NULL);
+	BIGNUM *p = BN_bin2bn(_key, _keylen, NULL);
 // 	info->p->top = 0;
 // 	info->p->dmax = _keylen * 8 / BN_BITS2;
 // 	info->p->neg = 0;
 // 	info->p->flags = 0;
 
-	info->g = BN_new();
-	BN_set_word(info->g, generator);
+	BIGNUM *g = BN_new();
+	BN_set_word(g, generator);
 // 	info->g->d = &generator;
 //  	info->g->top = 0;
 //  	info->g->dmax = 1;
 //  	info->g->neg = 0;
 //  	info->g->flags = 0;
-    }
 
-    check = BN_mod_word(info->p, 24);
+	DH_set0_pqg(info, p, NULL, g);
+
+    check = BN_mod_word(p, 24);
     DH_check(info, &problems);
     if (problems & DH_CHECK_P_NOT_PRIME)
  	log(WvLog::Error, "Using a composite number for authentication.\n");
@@ -64,7 +65,7 @@ WvDiffieHellman::WvDiffieHellman(const unsigned char *_key, int _keylen,
 	log(WvLog::Error,"Using an unsafe prime number for authentication.\n");
     if (problems & DH_NOT_SUITABLE_GENERATOR)
 	log(WvLog::Error, "Can you just use 2 instead of %s (%s)!!\n",
-	    BN_bn2hex(info->g), check);
+	    BN_bn2hex(g), check);
     if (problems & DH_UNABLE_TO_CHECK_GENERATOR)
 	log(WvLog::Notice, "Using a strange argument for diffie-hellman.\n");
     DH_generate_key(info);
@@ -72,18 +73,23 @@ WvDiffieHellman::WvDiffieHellman(const unsigned char *_key, int _keylen,
 
 int WvDiffieHellman::pub_key_len()
 {
-    return BN_num_bytes(info->pub_key);
+    const BIGNUM *pub_key = NULL;
+	DH_get0_key(info, &pub_key, NULL);
+    return BN_num_bytes(pub_key);
 }
 
 int WvDiffieHellman::get_public_value(WvBuf &outbuf, int len)
 {
-    int key_len = BN_num_bytes(info->pub_key);
+	const BIGNUM *pub_key = NULL;
+	DH_get0_key(info, &pub_key, NULL);
+
+    int key_len = BN_num_bytes(pub_key);
     if (key_len < len)
 	len = key_len;
 
     // alloca is stack allocated, don't free it.
     unsigned char *foo = (unsigned char*)alloca(key_len);
-    BN_bn2bin(info->pub_key, foo);
+    BN_bn2bin(pub_key, foo);
     outbuf.put(foo, len);
 
     return len;
@@ -91,8 +97,10 @@ int WvDiffieHellman::get_public_value(WvBuf &outbuf, int len)
 
 bool WvDiffieHellman::create_secret(WvBuf &inbuf, size_t in_len, WvBuf& outbuf)
 {
+   const BIGNUM *pub_key = NULL;
+   DH_get0_key(info, &pub_key, NULL);
     unsigned char *foo = (unsigned char *)alloca(DH_size(info));
-   log("My public value\n%s\nYour public value\n%s\n",BN_bn2hex(info->pub_key),
+   log("My public value\n%s\nYour public value\n%s\n",BN_bn2hex(pub_key),
        hexdump_buffer(inbuf.peek(0, in_len), in_len, false));
     int len = DH_compute_key (foo, BN_bin2bn(inbuf.get(in_len), in_len, NULL), 
 			      info);
diff --git a/crypto/wvdigest.cc b/crypto/wvdigest.cc
index 150edeea..73ebb5d4 100644
--- a/crypto/wvdigest.cc
+++ b/crypto/wvdigest.cc
@@ -13,10 +13,10 @@
 
 /***** WvEVPMDDigest *****/
 
-WvEVPMDDigest::WvEVPMDDigest(const env_md_st *_evpmd) :
+WvEVPMDDigest::WvEVPMDDigest(const EVP_MD*_evpmd) :
     evpmd(_evpmd), active(false)
 {
-    evpctx = new EVP_MD_CTX;
+    evpctx = EVP_MD_CTX_new();
     _reset();
 }
 
@@ -24,7 +24,7 @@ WvEVPMDDigest::WvEVPMDDigest(const env_md_st *_evpmd) :
 WvEVPMDDigest::~WvEVPMDDigest()
 {
     cleanup();
-    delete evpctx;
+    EVP_MD_CTX_free(evpctx);
 }
 
 
@@ -60,7 +60,7 @@ bool WvEVPMDDigest::_reset()
     // the typecast is necessary for API compatibility with different
     // versions of openssl.  None of them *actually* change the contents of
     // the pointer.
-    EVP_DigestInit(evpctx, (env_md_st *)evpmd);
+    EVP_DigestInit(evpctx, evpmd);
     active = true;
     return true;
 }
@@ -79,7 +79,7 @@ void WvEVPMDDigest::cleanup()
 
 size_t WvEVPMDDigest::digestsize() const
 {
-    return EVP_MD_size((env_md_st *)evpmd);
+    return EVP_MD_size(evpmd);
 }
 
 
@@ -104,14 +104,14 @@ WvHMACDigest::WvHMACDigest(WvEVPMDDigest *_digest,
 {
     key = new unsigned char[keysize];
     memcpy(key, _key, keysize);
-    hmacctx = new HMAC_CTX;
+    hmacctx = HMAC_CTX_new();
     _reset();
 }
 
 WvHMACDigest::~WvHMACDigest()
 {
     cleanup();
-    delete hmacctx;
+    HMAC_CTX_free(hmacctx);
     deletev key;
     delete digest;
 }
@@ -145,7 +145,7 @@ bool WvHMACDigest::_finish(WvBuf &outbuf)
 bool WvHMACDigest::_reset()
 {
     cleanup();
-    HMAC_Init(hmacctx, key, keysize, (env_md_st *)digest->getevpmd());
+    HMAC_Init(hmacctx, key, keysize, digest->getevpmd());
     active = true;
     return true;
 }
diff --git a/crypto/wvocsp.cc b/crypto/wvocsp.cc
index ddb2de49..7d5da072 100644
--- a/crypto/wvocsp.cc
+++ b/crypto/wvocsp.cc
@@ -118,9 +118,10 @@ bool WvOCSPResp::check_nonce(const WvOCSPReq &req) const
 
 bool WvOCSPResp::signedbycert(const WvX509 &cert) const
 {
-    EVP_PKEY *skey = X509_get_pubkey(cert.cert);
-    int i = OCSP_BASICRESP_verify(bs, skey, 0);
-    EVP_PKEY_free(skey);
+    STACK_OF(X509) *sk = sk_X509_new_null();
+    sk_X509_push(sk, cert.cert);
+    int i = OCSP_basic_verify(bs, sk, NULL, OCSP_NOVERIFY);
+    sk_X509_free(sk);
 
     if(i > 0)
         return true;
@@ -131,33 +132,15 @@ bool WvOCSPResp::signedbycert(const WvX509 &cert) const
 
 WvX509 WvOCSPResp::get_signing_cert() const
 {
-    if (!bs || !sk_X509_num(bs->certs))
+    const STACK_OF(X509) *certs = OCSP_resp_get0_certs(bs);
+    if (!bs || !sk_X509_num(certs))
         return WvX509();
 
-    // note: the following bit of code is taken almost verbatim from
-    // ocsp_vfy.c in OpenSSL 0.9.8. Copyright and attribution should 
-    // properly belong to them
-
-    OCSP_RESPID *id = bs->tbsResponseData->responderId;
-
-    if (id->type == V_OCSP_RESPID_NAME)
-    {
-        X509 *x = X509_find_by_subject(bs->certs, id->value.byName);
-        if (x)
-            return WvX509(X509_dup(x));
+    X509 *signer = NULL;
+    if (OCSP_resp_get0_signer(bs, &signer, NULL) == 1) {
+        return WvX509(X509_dup(signer));
     }
 
-    if (id->value.byKey->length != SHA_DIGEST_LENGTH) return NULL;
-    unsigned char tmphash[SHA_DIGEST_LENGTH];
-    unsigned char *keyhash = id->value.byKey->data;
-    for (int i = 0; i < sk_X509_num(bs->certs); i++)
-    {
-        X509 *x = sk_X509_value(bs->certs, i);
-        X509_pubkey_digest(x, EVP_sha1(), tmphash, NULL);
-        if(!memcmp(keyhash, tmphash, SHA_DIGEST_LENGTH))
-            return WvX509(X509_dup(x));
-    }
-    
     return WvX509();
 }
 
diff --git a/crypto/wvx509.cc b/crypto/wvx509.cc
index 93dae06f..eed6c18e 100644
--- a/crypto/wvx509.cc
+++ b/crypto/wvx509.cc
@@ -974,7 +974,7 @@ static void add_aia(WvStringParm type, WvString identifier,
     sk_ACCESS_DESCRIPTION_push(ainfo, acc);
     acc->method = OBJ_txt2obj(type.cstr(), 0);
     acc->location->type = GEN_URI;
-    acc->location->d.ia5 = M_ASN1_IA5STRING_new();
+    acc->location->d.ia5 = ASN1_IA5STRING_new();
     unsigned char *cident 
 	= reinterpret_cast<unsigned char *>(identifier.edit());
     ASN1_STRING_set(acc->location->d.ia5, cident, identifier.len());
@@ -1059,7 +1059,7 @@ void WvX509::set_crl_urls(WvStringList &urls)
         GENERAL_NAMES *uris = GENERAL_NAMES_new();
         GENERAL_NAME *uri = GENERAL_NAME_new();
         uri->type = GEN_URI;
-        uri->d.ia5 = M_ASN1_IA5STRING_new();
+        uri->d.ia5 = ASN1_IA5STRING_new();
         unsigned char *cident
 	    = reinterpret_cast<unsigned char *>(i().edit());    
         ASN1_STRING_set(uri->d.ia5, cident, i().len());
@@ -1158,10 +1158,11 @@ WvString WvX509::get_extension(int nid) const
         if (ext)
         {
             X509V3_EXT_METHOD *method = (X509V3_EXT_METHOD *) X509V3_EXT_get(ext);
+            ASN1_OCTET_STRING *ext_data_str = X509_EXTENSION_get_data(ext);
             if (!method)
             {
                 WvDynBuf buf;
-                buf.put(ext->value->data, ext->value->length);
+                buf.put(ext_data_str->data, ext_data_str->length);
                 retval = buf.getstr();
             }
             else
@@ -1172,21 +1173,21 @@ WvString WvX509::get_extension(int nid) const
                 // even though it's const (at least as of version 0.9.8e). 
                 // gah.
 #if OPENSSL_VERSION_NUMBER >= 0x0090800fL
-                const unsigned char * ext_value_data = ext->value->data;
+                const unsigned char * ext_value_data = ext_data_str->data;
 #else
                 unsigned char *ext_value_data = ext->value->data;
 #endif
                 if (method->it)
                 {
                     ext_data = ASN1_item_d2i(NULL, &ext_value_data,
-                                             ext->value->length, 
+                                             ext_data_str->length, 
                                              ASN1_ITEM_ptr(method->it));
                     TRACE("Applied generic conversion!\n");
                 }
                 else
                 {
                     ext_data = method->d2i(NULL, &ext_value_data,
-                                           ext->value->length);
+                                           ext_data_str->length);
                     TRACE("Applied method specific conversion!\n");
                 }
                 
@@ -1321,13 +1322,13 @@ bool WvX509::verify(WvBuf &original, WvStringParm signature) const
         return false;
     
     /* Verify the signature */
-    EVP_MD_CTX sig_ctx;
-    EVP_VerifyInit(&sig_ctx, EVP_sha1());
-    EVP_VerifyUpdate(&sig_ctx, original.peek(0, original.used()),
+    EVP_MD_CTX *sig_ctx = EVP_MD_CTX_new();
+    EVP_VerifyInit(sig_ctx, EVP_sha1());
+    EVP_VerifyUpdate(sig_ctx, original.peek(0, original.used()),
 		     original.used());
-    int sig_err = EVP_VerifyFinal(&sig_ctx, sig_buf, sig_size, pk);
+    int sig_err = EVP_VerifyFinal(sig_ctx, sig_buf, sig_size, pk);
     EVP_PKEY_free(pk);
-    EVP_MD_CTX_cleanup(&sig_ctx); // Again, not my fault... 
+    EVP_MD_CTX_free(sig_ctx); // Again, not my fault... 
     if (sig_err != 1) 
     {
         debug("Verify failed!\n");
@@ -1446,19 +1447,19 @@ void WvX509::set_ski()
 {
     CHECK_CERT_EXISTS_SET("ski");
 
-    ASN1_OCTET_STRING *oct = M_ASN1_OCTET_STRING_new();
-    ASN1_BIT_STRING *pk = cert->cert_info->key->public_key;
+    ASN1_OCTET_STRING *oct = ASN1_OCTET_STRING_new();
+    ASN1_BIT_STRING *pk = X509_get0_pubkey_bitstr(cert);
     unsigned char pkey_dig[EVP_MAX_MD_SIZE];
     unsigned int diglen;
 
     EVP_Digest(pk->data, pk->length, pkey_dig, &diglen, EVP_sha1(), NULL);
 
-    M_ASN1_OCTET_STRING_set(oct, pkey_dig, diglen);
+    ASN1_OCTET_STRING_set(oct, pkey_dig, diglen);
     X509_EXTENSION *ext = X509V3_EXT_i2d(NID_subject_key_identifier, 0, 
 					oct);
     X509_add_ext(cert, ext, -1);
     X509_EXTENSION_free(ext);
-    M_ASN1_OCTET_STRING_free(oct);
+    ASN1_OCTET_STRING_free(oct);
 }
 
 
diff --git a/crypto/wvx509mgr.cc b/crypto/wvx509mgr.cc
index f249eeca..156d3a49 100644
--- a/crypto/wvx509mgr.cc
+++ b/crypto/wvx509mgr.cc
@@ -350,6 +350,8 @@ bool WvX509Mgr::signcert(WvX509 &unsignedcert) const
         return false;
     }
 
+    uint32_t ex_flags = X509_get_extension_flags(cert);
+    uint32_t ex_kusage = X509_get_key_usage(cert);
     if (cert == unsignedcert.cert)
     {
 	debug("Self Signing!\n");
@@ -362,8 +364,8 @@ bool WvX509Mgr::signcert(WvX509 &unsignedcert) const
         return false;
     }
 #endif
-    else if (!((cert->ex_flags & EXFLAG_KUSAGE) && 
-               (cert->ex_kusage & KU_KEY_CERT_SIGN)))
+    else if (!((ex_flags & EXFLAG_KUSAGE) && 
+               (ex_kusage & KU_KEY_CERT_SIGN)))
     {
 	debug("This Certificate is not allowed to sign certificates!\n");
 	return false;
@@ -390,6 +392,8 @@ bool WvX509Mgr::signcert(WvX509 &unsignedcert) const
 
 bool WvX509Mgr::signcrl(WvCRL &crl) const
 {
+    uint32_t ex_flags = X509_get_extension_flags(cert);
+    uint32_t ex_kusage = X509_get_key_usage(cert);
     if (!isok() || !crl.isok())
     {
         debug(WvLog::Warning, "Asked to sign CRL, but certificate or CRL (or "
@@ -403,12 +407,12 @@ bool WvX509Mgr::signcrl(WvCRL &crl) const
               "CRLs!\n");
         return false;
     }
-    else if (!((cert->ex_flags & EXFLAG_KUSAGE) && 
-	  (cert->ex_kusage & KU_CRL_SIGN)))
+    else if (!((ex_flags & EXFLAG_KUSAGE) && 
+	  (ex_kusage & KU_CRL_SIGN)))
     {
 	debug("Certificate not allowed to sign CRLs! (%s %s)\n", 
-              (cert->ex_flags & EXFLAG_KUSAGE),
-	      (cert->ex_kusage & KU_CRL_SIGN));
+              (ex_flags & EXFLAG_KUSAGE),
+	      (ex_kusage & KU_CRL_SIGN));
 	return false;
     }
 #endif
@@ -454,7 +458,6 @@ WvString WvX509Mgr::sign(WvBuf &data) const
 {
     assert(rsa);
 
-    EVP_MD_CTX sig_ctx;
     unsigned char sig_buf[4096];
     
     EVP_PKEY *pk = EVP_PKEY_new();
@@ -467,20 +470,22 @@ WvString WvX509Mgr::sign(WvBuf &data) const
 	return WvString::null;
     }
     
-    EVP_SignInit(&sig_ctx, EVP_sha1());
-    EVP_SignUpdate(&sig_ctx, data.peek(0, data.used()), data.used());
+    EVP_MD_CTX *sig_ctx = EVP_MD_CTX_new();
+    EVP_SignInit(sig_ctx, EVP_sha1());
+    EVP_SignUpdate(sig_ctx, data.peek(0, data.used()), data.used());
     unsigned int sig_len = sizeof(sig_buf);
-    int sig_err = EVP_SignFinal(&sig_ctx, sig_buf, 
+    int sig_err = EVP_SignFinal(sig_ctx, sig_buf, 
 				&sig_len, pk);
     if (sig_err != 1)
     {
 	debug("Error while signing.\n");
 	EVP_PKEY_free(pk);
+	EVP_MD_CTX_free(sig_ctx);
 	return WvString::null;
     }
 
     EVP_PKEY_free(pk);
-    EVP_MD_CTX_cleanup(&sig_ctx); // this isn't my fault ://
+    EVP_MD_CTX_free(sig_ctx); // this isn't my fault ://
     WvDynBuf buf;
     buf.put(sig_buf, sig_len);
     debug("Signature size: %s\n", buf.used());
diff --git a/include/wvdiffiehellman.h b/include/wvdiffiehellman.h
index af75ffa9..a2d001f8 100644
--- a/include/wvdiffiehellman.h
+++ b/include/wvdiffiehellman.h
@@ -27,7 +27,7 @@ class WvDiffieHellman
     bool create_secret(WvBuf &inbuf, size_t in_len, WvBuf& outbuf);
 
 protected:
-    struct dh_st *info;
+    DH *info;
     BN_ULONG generator;
 
 private:
diff --git a/include/wvdigest.h b/include/wvdigest.h
index fdc39bd6..f2eed401 100644
--- a/include/wvdigest.h
+++ b/include/wvdigest.h
@@ -9,10 +9,8 @@
 
 #include "wvencoder.h"
 #include <stdint.h>
+#include <openssl/evp.h>
 
-struct env_md_st;
-struct env_md_ctx_st;
-struct hmac_ctx_st;
 
 /**
  * Superclass for all message digests.
@@ -45,8 +43,8 @@ class WvDigest : public WvEncoder
 class WvEVPMDDigest : public WvDigest
 {
     friend class WvHMACDigest;
-    const env_md_st *evpmd;
-    env_md_ctx_st *evpctx;
+    const EVP_MD *evpmd;
+    EVP_MD_CTX *evpctx;
     bool active;
 
 public:
@@ -54,13 +52,13 @@ class WvEVPMDDigest : public WvDigest
     virtual size_t digestsize() const;
 
 protected:
-    WvEVPMDDigest(const env_md_st *_evpmd);
+    WvEVPMDDigest(const EVP_MD *_evpmd);
     virtual bool _encode(WvBuf &inbuf, WvBuf &outbuf,
         bool flush); // consumes input
     virtual bool _finish(WvBuf &outbuf); // outputs digest
     virtual bool _reset(); // supported: resets digest value
     
-    const env_md_st *getevpmd()
+    const EVP_MD *getevpmd()
         { return evpmd; }
 
 private:
@@ -104,7 +102,7 @@ class WvHMACDigest : public WvDigest
     WvEVPMDDigest *digest;
     unsigned char *key;
     size_t keysize;
-    hmac_ctx_st *hmacctx;
+    HMAC_CTX *hmacctx;
     bool active;
 
 public:
diff --git a/include/wvtripledes.h b/include/wvtripledes.h
index 185fe8a9..a442e7a0 100644
--- a/include/wvtripledes.h
+++ b/include/wvtripledes.h
@@ -70,11 +70,11 @@ class WvTripleDESEncoder : public WvCryptoEncoder
 
 private:
     Mode mode;
-    des_cblock key;
-    des_key_schedule deskey1;
-    des_key_schedule deskey2;
-    des_key_schedule deskey3;
-    des_cblock ivec; // initialization vector
+    DES_cblock key;
+    DES_key_schedule deskey1;
+    DES_key_schedule deskey2;
+    DES_key_schedule deskey3;
+    DES_cblock ivec; // initialization vector
     int ivecoff; // current offset into initvec
 };
 
 
design & coding: Vladimir Lettiev aka crux © 2004-2005, Andrew Avramenko aka liks © 2007-2008
current maintainer: Michael Shigorin