Update openssl to 2.0.7. [Bug #13935]

The patch is provided by Kazuki Yamaguchi.

From: Kazuki Yamaguchi <k@rhe.jp>
Date: Mon, 25 Sep 2017 01:32:02 +0900
Subject: [PATCH] openssl: import v2.0.7

Import Ruby/OpenSSL 2.0.7. This contains only bug fixes and test
improvements. The full commit log since v2.0.5 (imported at r59567, to
trunk) can be found at:

        https://github.com/ruby/openssl/compare/v2.0.5...v2.0.7

All the changes included in this changeset are already imported to trunk
by r61235 or earlier revisions.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@62845 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

12 files changed, 67 insertions, 45 deletions

diff --git a/ext/openssl/History.md b/ext/openssl/History.md
index d592bc6a1f..9cc60caaf8 100644
--- a/ext/openssl/History.md
+++ b/ext/openssl/History.md
@@ -1,3 +1,18 @@
+Version 2.0.7
+=============
+
+Bug fixes
+---------
+
+* OpenSSL::Cipher#auth_data= could segfault if called against a non-AEAD cipher.
+  [[Bug #14024]](https://bugs.ruby-lang.org/issues/14024)
+* OpenSSL::X509::Certificate#public_key= (and similar methods) could segfault
+  when an instance of OpenSSL::PKey::PKey with no public key components is
+  passed.
+  [[Bug #14087]](https://bugs.ruby-lang.org/issues/14087)
+  [[GitHub #168]](https://github.com/ruby/openssl/pull/168)
+
+
 Version 2.0.6
 =============
 
@@ -170,7 +185,7 @@ Notable changes
   - A new option 'verify_hostname' is added to OpenSSL::SSL::SSLContext. When it
     is enabled, and the SNI hostname is also set, the hostname verification on
     the server certificate is automatically performed. It is now enabled by
-    OpenSSL::SSL::Context#set_params.
+    OpenSSL::SSL::SSLContext#set_params.
     [[GH ruby/openssl#60]](https://github.com/ruby/openssl/pull/60)
 
 Removals
diff --git a/ext/openssl/openssl.gemspec b/ext/openssl/openssl.gemspec
index 2af041ebde..67041dc1f2 100644
--- a/ext/openssl/openssl.gemspec
+++ b/ext/openssl/openssl.gemspec
@@ -1,16 +1,16 @@
 # -*- encoding: utf-8 -*-
-# stub: openssl 2.0.6 ruby lib
+# stub: openssl 2.0.7 ruby lib
 # stub: ext/openssl/extconf.rb
 
 Gem::Specification.new do |s|
   s.name = "openssl".freeze
-  s.version = "2.0.6"
+  s.version = "2.0.7"
 
   s.required_rubygems_version = Gem::Requirement.new(">= 0".freeze) if s.respond_to? :required_rubygems_version=
   s.metadata = { "msys2_mingw_dependencies" => "openssl" } if s.respond_to? :metadata=
   s.require_paths = ["lib".freeze]
   s.authors = ["Martin Bosslet".freeze, "SHIBATA Hiroshi".freeze, "Zachary Scott".freeze, "Kazuki Yamaguchi".freeze]
-  s.date = "2017-09-24"
+  s.date = "2017-12-14"
   s.description = "It wraps the OpenSSL library.".freeze
   s.email = ["ruby-core@ruby-lang.org".freeze]
   s.extensions = ["ext/openssl/extconf.rb".freeze]
@@ -20,7 +20,7 @@ Gem::Specification.new do |s|
   s.licenses = ["Ruby".freeze]
   s.rdoc_options = ["--main".freeze, "README.md".freeze]
   s.required_ruby_version = Gem::Requirement.new(">= 2.3.0".freeze)
-  s.rubygems_version = "2.6.13".freeze
+  s.rubygems_version = "2.7.3".freeze
   s.summary = "OpenSSL provides SSL, TLS and general purpose cryptography.".freeze
 
   if s.respond_to? :specification_version then
diff --git a/ext/openssl/ossl_asn1.c b/ext/openssl/ossl_asn1.c
index 1d3ee4ac18..0225597334 100644
--- a/ext/openssl/ossl_asn1.c
+++ b/ext/openssl/ossl_asn1.c
@@ -1718,12 +1718,12 @@ Init_ossl_asn1(void)
      * == Primitive sub-classes and their mapping to Ruby classes
      * * OpenSSL::ASN1::EndOfContent    <=> +value+ is always +nil+
      * * OpenSSL::ASN1::Boolean         <=> +value+ is a +Boolean+
-     * * OpenSSL::ASN1::Integer         <=> +value+ is a +Number+
+     * * OpenSSL::ASN1::Integer         <=> +value+ is an OpenSSL::BN
      * * OpenSSL::ASN1::BitString       <=> +value+ is a +String+
      * * OpenSSL::ASN1::OctetString     <=> +value+ is a +String+
      * * OpenSSL::ASN1::Null            <=> +value+ is always +nil+
      * * OpenSSL::ASN1::Object          <=> +value+ is a +String+
-     * * OpenSSL::ASN1::Enumerated      <=> +value+ is a +Number+
+     * * OpenSSL::ASN1::Enumerated      <=> +value+ is an OpenSSL::BN
      * * OpenSSL::ASN1::UTF8String      <=> +value+ is a +String+
      * * OpenSSL::ASN1::NumericString   <=> +value+ is a +String+
      * * OpenSSL::ASN1::PrintableString <=> +value+ is a +String+
diff --git a/ext/openssl/ossl_cipher.c b/ext/openssl/ossl_cipher.c
index 36e42ede8c..740f04b27e 100644
--- a/ext/openssl/ossl_cipher.c
+++ b/ext/openssl/ossl_cipher.c
@@ -580,6 +580,8 @@ ossl_cipher_set_auth_data(VALUE self, VALUE data)
     in_len = RSTRING_LEN(data);
 
     GetCipher(self, ctx);
+    if (!(EVP_CIPHER_flags(EVP_CIPHER_CTX_cipher(ctx)) & EVP_CIPH_FLAG_AEAD_CIPHER))
+	ossl_raise(eCipherError, "AEAD not supported by this cipher");
 
     if (!ossl_cipher_update_long(ctx, NULL, &out_len, in, in_len))
         ossl_raise(eCipherError, "couldn't set additional authenticated data");
diff --git a/ext/openssl/ossl_ns_spki.c b/ext/openssl/ossl_ns_spki.c
index 4d978bd009..5ac8ef55b5 100644
--- a/ext/openssl/ossl_ns_spki.c
+++ b/ext/openssl/ossl_ns_spki.c
@@ -208,12 +208,13 @@ static VALUE
 ossl_spki_set_public_key(VALUE self, VALUE key)
 {
     NETSCAPE_SPKI *spki;
+    EVP_PKEY *pkey;
 
     GetSPKI(self, spki);
-    if (!NETSCAPE_SPKI_set_pubkey(spki, GetPKeyPtr(key))) { /* NO NEED TO DUP */
-	ossl_raise(eSPKIError, NULL);
-    }
-
+    pkey = GetPKeyPtr(key);
+    ossl_pkey_check_public_key(pkey);
+    if (!NETSCAPE_SPKI_set_pubkey(spki, pkey))
+	ossl_raise(eSPKIError, "NETSCAPE_SPKI_set_pubkey");
     return key;
 }
 
@@ -307,17 +308,20 @@ static VALUE
 ossl_spki_verify(VALUE self, VALUE key)
 {
     NETSCAPE_SPKI *spki;
+    EVP_PKEY *pkey;
 
     GetSPKI(self, spki);
-    switch (NETSCAPE_SPKI_verify(spki, GetPKeyPtr(key))) { /* NO NEED TO DUP */
-    case 0:
+    pkey = GetPKeyPtr(key);
+    ossl_pkey_check_public_key(pkey);
+    switch (NETSCAPE_SPKI_verify(spki, pkey)) {
+      case 0:
+	ossl_clear_error();
 	return Qfalse;
-    case 1:
+      case 1:
 	return Qtrue;
-    default:
-	ossl_raise(eSPKIError, NULL);
+      default:
+	ossl_raise(eSPKIError, "NETSCAPE_SPKI_verify");
     }
-    return Qnil; /* dummy */
 }
 
 /* Document-class: OpenSSL::Netscape::SPKI
diff --git a/ext/openssl/ossl_pkey.c b/ext/openssl/ossl_pkey.c
index 314d1d94af..aad3e2e47c 100644
--- a/ext/openssl/ossl_pkey.c
+++ b/ext/openssl/ossl_pkey.c
@@ -163,8 +163,8 @@ ossl_pkey_new_from_data(int argc, VALUE *argv, VALUE self)
     return ossl_pkey_new(pkey);
 }
 
-static void
-pkey_check_public_key(EVP_PKEY *pkey)
+void
+ossl_pkey_check_public_key(const EVP_PKEY *pkey)
 {
     void *ptr;
     const BIGNUM *n, *e, *pubkey;
@@ -172,7 +172,8 @@ pkey_check_public_key(EVP_PKEY *pkey)
     if (EVP_PKEY_missing_parameters(pkey))
 	ossl_raise(ePKeyError, "parameters missing");
 
-    ptr = EVP_PKEY_get0(pkey);
+    /* OpenSSL < 1.1.0 takes non-const pointer */
+    ptr = EVP_PKEY_get0((EVP_PKEY *)pkey);
     switch (EVP_PKEY_base_id(pkey)) {
       case EVP_PKEY_RSA:
 	RSA_get0_key(ptr, &n, &e, NULL);
@@ -352,7 +353,7 @@ ossl_pkey_verify(VALUE self, VALUE digest, VALUE sig, VALUE data)
     int siglen, result;
 
     GetPKey(self, pkey);
-    pkey_check_public_key(pkey);
+    ossl_pkey_check_public_key(pkey);
     md = GetDigestPtr(digest);
     StringValue(sig);
     siglen = RSTRING_LENINT(sig);
diff --git a/ext/openssl/ossl_pkey.h b/ext/openssl/ossl_pkey.h
index e3b723cd68..a0b497440c 100644
--- a/ext/openssl/ossl_pkey.h
+++ b/ext/openssl/ossl_pkey.h
@@ -48,6 +48,7 @@ int ossl_generate_cb_2(int p, int n, BN_GENCB *cb);
 void ossl_generate_cb_stop(void *ptr);
 
 VALUE ossl_pkey_new(EVP_PKEY *);
+void ossl_pkey_check_public_key(const EVP_PKEY *);
 EVP_PKEY *GetPKeyPtr(VALUE);
 EVP_PKEY *DupPKeyPtr(VALUE);
 EVP_PKEY *GetPrivPKeyPtr(VALUE);
diff --git a/ext/openssl/ossl_ssl.c b/ext/openssl/ossl_ssl.c
index aa2dbbc8f7..c6bfb8312d 100644
--- a/ext/openssl/ossl_ssl.c
+++ b/ext/openssl/ossl_ssl.c
@@ -996,12 +996,7 @@ ossl_sslctx_get_ciphers(VALUE self)
     int i, num;
 
     GetSSLCTX(self, ctx);
-    if(!ctx){
-        rb_warning("SSL_CTX is not initialized.");
-        return Qnil;
-    }
     ciphers = SSL_CTX_get_ciphers(ctx);
-
     if (!ciphers)
         return rb_ary_new();
 
@@ -1049,10 +1044,6 @@ ossl_sslctx_set_ciphers(VALUE self, VALUE v)
     }
 
     GetSSLCTX(self, ctx);
-    if(!ctx){
-        ossl_raise(eSSLError, "SSL_CTX is not initialized.");
-        return Qnil;
-    }
     if (!SSL_CTX_set_cipher_list(ctx, StringValueCStr(str))) {
         ossl_raise(eSSLError, "SSL_CTX_set_cipher_list");
     }
@@ -2446,6 +2437,10 @@ Init_ossl_ssl(void)
      * A callback invoked when a session is removed from the internal cache.
      *
      * The callback is invoked with an SSLContext and a Session.
+     *
+     * IMPORTANT NOTE: It is currently not possible to use this safely in a
+     * multi-threaded application. The callback is called inside a global lock
+     * and it can randomly cause deadlock on Ruby thread switching.
      */
     rb_attr(cSSLContext, rb_intern("session_remove_cb"), 1, 1, Qfalse);
 
diff --git a/ext/openssl/ossl_version.h b/ext/openssl/ossl_version.h
index 7725bc0525..56dfe1d785 100644
--- a/ext/openssl/ossl_version.h
+++ b/ext/openssl/ossl_version.h
@@ -10,6 +10,6 @@
 #if !defined(_OSSL_VERSION_H_)
 #define _OSSL_VERSION_H_
 
-#define OSSL_VERSION "2.0.6"
+#define OSSL_VERSION "2.0.7"
 
 #endif /* _OSSL_VERSION_H_ */
diff --git a/ext/openssl/ossl_x509cert.c b/ext/openssl/ossl_x509cert.c
index 87086a7c59..91c25c4e0f 100644
--- a/ext/openssl/ossl_x509cert.c
+++ b/ext/openssl/ossl_x509cert.c
@@ -546,18 +546,19 @@ ossl_x509_get_public_key(VALUE self)
 
 /*
  * call-seq:
- *    cert.public_key = key => key
+ *    cert.public_key = key
  */
 static VALUE
 ossl_x509_set_public_key(VALUE self, VALUE key)
 {
     X509 *x509;
+    EVP_PKEY *pkey;
 
     GetX509(self, x509);
-    if (!X509_set_pubkey(x509, GetPKeyPtr(key))) { /* DUPs pkey */
-	ossl_raise(eX509CertError, NULL);
-    }
-
+    pkey = GetPKeyPtr(key);
+    ossl_pkey_check_public_key(pkey);
+    if (!X509_set_pubkey(x509, pkey))
+	ossl_raise(eX509CertError, "X509_set_pubkey");
     return key;
 }
 
@@ -594,9 +595,9 @@ ossl_x509_verify(VALUE self, VALUE key)
     X509 *x509;
     EVP_PKEY *pkey;
 
-    pkey = GetPKeyPtr(key); /* NO NEED TO DUP */
     GetX509(self, x509);
-
+    pkey = GetPKeyPtr(key);
+    ossl_pkey_check_public_key(pkey);
     switch (X509_verify(x509, pkey)) {
       case 1:
 	return Qtrue;
diff --git a/ext/openssl/ossl_x509crl.c b/ext/openssl/ossl_x509crl.c
index 035025ab69..add72c6cce 100644
--- a/ext/openssl/ossl_x509crl.c
+++ b/ext/openssl/ossl_x509crl.c
@@ -366,9 +366,12 @@ static VALUE
 ossl_x509crl_verify(VALUE self, VALUE key)
 {
     X509_CRL *crl;
+    EVP_PKEY *pkey;
 
     GetX509CRL(self, crl);
-    switch (X509_CRL_verify(crl, GetPKeyPtr(key))) {
+    pkey = GetPKeyPtr(key);
+    ossl_pkey_check_public_key(pkey);
+    switch (X509_CRL_verify(crl, pkey)) {
       case 1:
 	return Qtrue;
       case 0:
diff --git a/ext/openssl/ossl_x509req.c b/ext/openssl/ossl_x509req.c
index 15bc7052d3..0f7fecdc57 100644
--- a/ext/openssl/ossl_x509req.c
+++ b/ext/openssl/ossl_x509req.c
@@ -330,11 +330,10 @@ ossl_x509req_set_public_key(VALUE self, VALUE key)
     EVP_PKEY *pkey;
 
     GetX509Req(self, req);
-    pkey = GetPKeyPtr(key); /* NO NEED TO DUP */
-    if (!X509_REQ_set_pubkey(req, pkey)) {
-	ossl_raise(eX509ReqError, NULL);
-    }
-
+    pkey = GetPKeyPtr(key);
+    ossl_pkey_check_public_key(pkey);
+    if (!X509_REQ_set_pubkey(req, pkey))
+	ossl_raise(eX509ReqError, "X509_REQ_set_pubkey");
     return key;
 }
 
@@ -365,7 +364,8 @@ ossl_x509req_verify(VALUE self, VALUE key)
     EVP_PKEY *pkey;
 
     GetX509Req(self, req);
-    pkey = GetPKeyPtr(key); /* NO NEED TO DUP */
+    pkey = GetPKeyPtr(key);
+    ossl_pkey_check_public_key(pkey);
     switch (X509_REQ_verify(req, pkey)) {
       case 1:
 	return Qtrue;