Remove /* foo.c */ comments

[oweals/openssl.git] / crypto / evp / p_lib.c

diff --git a/crypto/evp/p_lib.c b/crypto/evp/p_lib.c
index 42ae5ae06951d5405df3d75a601926f31cb8ea2c..0626c27e154d4a38da2faa70713d345080918d25 100644 (file)
--- a/crypto/evp/p_lib.c
+++ b/crypto/evp/p_lib.c
@@ -1,4 +1,3 @@
-/* crypto/evp/p_lib.c */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -57,7 +56,7 @@
  */
 
 #include <stdio.h>
-#include "cryptlib.h"
+#include "internal/cryptlib.h"
 #include <openssl/bn.h>
 #include <openssl/err.h>
 #include <openssl/objects.h>
@@ -78,6 +77,7 @@
 #endif
 
 #include "internal/asn1_int.h"
+#include "internal/evp_int.h"
 
 static void EVP_PKEY_free_it(EVP_PKEY *x);
 
@@ -129,7 +129,10 @@ int EVP_PKEY_save_parameters(EVP_PKEY *pkey, int mode)
 
 int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from)
 {
-    if (to->type != from->type) {
+    if (to->type == EVP_PKEY_NONE) {
+        if (EVP_PKEY_set_type(to, from->type) == 0)
+            return 0;
+    } else if (to->type != from->type) {
         EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS, EVP_R_DIFFERENT_KEY_TYPES);
         goto err;
     }
@@ -201,6 +204,11 @@ EVP_PKEY *EVP_PKEY_new(void)
     return (ret);
 }
 
+void EVP_PKEY_up_ref(EVP_PKEY *pkey)
+{
+    CRYPTO_add(&pkey->references, 1, CRYPTO_LOCK_EVP_PKEY);
+}
+
 /*
  * Setup a public key ASN1 method and ENGINE from a NID or a string. If pkey
  * is NULL just return 1 or 0 if the algorithm exists.
@@ -261,13 +269,13 @@ int EVP_PKEY_set_type_str(EVP_PKEY *pkey, const char *str, int len)
 
 int EVP_PKEY_assign(EVP_PKEY *pkey, int type, void *key)
 {
-    if (!EVP_PKEY_set_type(pkey, type))
+    if (pkey == NULL || !EVP_PKEY_set_type(pkey, type))
         return 0;
     pkey->pkey.ptr = key;
     return (key != NULL);
 }
 
-void *EVP_PKEY_get0(EVP_PKEY *pkey)
+void *EVP_PKEY_get0(const EVP_PKEY *pkey)
 {
     return pkey->pkey.ptr;
 }
@@ -281,15 +289,22 @@ int EVP_PKEY_set1_RSA(EVP_PKEY *pkey, RSA *key)
     return ret;
 }
 
-RSA *EVP_PKEY_get1_RSA(EVP_PKEY *pkey)
+RSA *EVP_PKEY_get0_RSA(EVP_PKEY *pkey)
 {
     if (pkey->type != EVP_PKEY_RSA) {
-        EVPerr(EVP_F_EVP_PKEY_GET1_RSA, EVP_R_EXPECTING_AN_RSA_KEY);
+        EVPerr(EVP_F_EVP_PKEY_GET0_RSA, EVP_R_EXPECTING_AN_RSA_KEY);
         return NULL;
     }
-    RSA_up_ref(pkey->pkey.rsa);
     return pkey->pkey.rsa;
 }
+
+RSA *EVP_PKEY_get1_RSA(EVP_PKEY *pkey)
+{
+    RSA *ret = EVP_PKEY_get0_RSA(pkey);
+    if (ret != NULL)
+        RSA_up_ref(ret);
+    return ret;
+}
 #endif
 
 #ifndef OPENSSL_NO_DSA
@@ -301,15 +316,22 @@ int EVP_PKEY_set1_DSA(EVP_PKEY *pkey, DSA *key)
     return ret;
 }
 
-DSA *EVP_PKEY_get1_DSA(EVP_PKEY *pkey)
+DSA *EVP_PKEY_get0_DSA(EVP_PKEY *pkey)
 {
     if (pkey->type != EVP_PKEY_DSA) {
-        EVPerr(EVP_F_EVP_PKEY_GET1_DSA, EVP_R_EXPECTING_A_DSA_KEY);
+        EVPerr(EVP_F_EVP_PKEY_GET0_DSA, EVP_R_EXPECTING_A_DSA_KEY);
         return NULL;
     }
-    DSA_up_ref(pkey->pkey.dsa);
     return pkey->pkey.dsa;
 }
+
+DSA *EVP_PKEY_get1_DSA(EVP_PKEY *pkey)
+{
+    DSA *ret = EVP_PKEY_get0_DSA(pkey);
+    if (ret != NULL)
+        DSA_up_ref(ret);
+    return ret;
+}
 #endif
 
 #ifndef OPENSSL_NO_EC
@@ -322,15 +344,22 @@ int EVP_PKEY_set1_EC_KEY(EVP_PKEY *pkey, EC_KEY *key)
     return ret;
 }
 
-EC_KEY *EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey)
+EC_KEY *EVP_PKEY_get0_EC_KEY(EVP_PKEY *pkey)
 {
     if (pkey->type != EVP_PKEY_EC) {
-        EVPerr(EVP_F_EVP_PKEY_GET1_EC_KEY, EVP_R_EXPECTING_A_EC_KEY);
+        EVPerr(EVP_F_EVP_PKEY_GET0_EC_KEY, EVP_R_EXPECTING_A_EC_KEY);
         return NULL;
     }
-    EC_KEY_up_ref(pkey->pkey.ec);
     return pkey->pkey.ec;
 }
+
+EC_KEY *EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey)
+{
+    EC_KEY *ret = EVP_PKEY_get0_EC_KEY(pkey);
+    if (ret != NULL)
+        EC_KEY_up_ref(ret);
+    return ret;
+}
 #endif
 
 #ifndef OPENSSL_NO_DH
@@ -343,15 +372,22 @@ int EVP_PKEY_set1_DH(EVP_PKEY *pkey, DH *key)
     return ret;
 }
 
-DH *EVP_PKEY_get1_DH(EVP_PKEY *pkey)
+DH *EVP_PKEY_get0_DH(EVP_PKEY *pkey)
 {
     if (pkey->type != EVP_PKEY_DH && pkey->type != EVP_PKEY_DHX) {
-        EVPerr(EVP_F_EVP_PKEY_GET1_DH, EVP_R_EXPECTING_A_DH_KEY);
+        EVPerr(EVP_F_EVP_PKEY_GET0_DH, EVP_R_EXPECTING_A_DH_KEY);
         return NULL;
     }
-    DH_up_ref(pkey->pkey.dh);
     return pkey->pkey.dh;
 }
+
+DH *EVP_PKEY_get1_DH(EVP_PKEY *pkey)
+{
+    DH *ret = EVP_PKEY_get0_DH(pkey);
+    if (ret != NULL)
+        DH_up_ref(ret);
+    return ret;
+}
 #endif
 
 int EVP_PKEY_type(int type)