From dd9b16d5489a1196ae0fcbe4315fe0122b042d7d Mon Sep 17 00:00:00 2001
From: jsing <>
Date: Wed, 7 May 2014 17:42:51 +0000
Subject: KNF.

---
 src/lib/libcrypto/evp/p_lib.c | 351 ++++++++++++++++++++++--------------------
 1 file changed, 186 insertions(+), 165 deletions(-)

(limited to 'src/lib/libcrypto/evp/p_lib.c')

diff --git a/src/lib/libcrypto/evp/p_lib.c b/src/lib/libcrypto/evp/p_lib.c
index 5f5f5e328d..97d922d1ba 100644
--- a/src/lib/libcrypto/evp/p_lib.c
+++ b/src/lib/libcrypto/evp/p_lib.c
@@ -5,21 +5,21 @@
  * This package is an SSL implementation written
  * by Eric Young (eay@cryptsoft.com).
  * The implementation was written so as to conform with Netscapes SSL.
- * 
+ *
  * This library is free for commercial and non-commercial use as long as
  * the following conditions are aheared to.  The following conditions
  * apply to all code found in this distribution, be it the RC4, RSA,
  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  * included with this distribution is covered by the same copyright terms
  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- * 
+ *
  * Copyright remains Eric Young's, and as such any Copyright notices in
  * the code are not to be removed.
  * If this package is used in a product, Eric Young should be given attribution
  * as the author of the parts of the library used.
  * This can be in the form of a textual message at program startup or
  * in documentation (online or textual) provided with the package.
- * 
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
@@ -34,10 +34,10 @@
  *     Eric Young (eay@cryptsoft.com)"
  *    The word 'cryptographic' can be left out if the rouines from the library
  *    being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from 
+ * 4. If you include any Windows specific code (or a derivative thereof) from
  *    the apps directory (application code) you must include an acknowledgement:
  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- * 
+ *
  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -49,7 +49,7 @@
  * 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.
- * 
+ *
  * The licence and distribution terms for any publically available version or
  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  * copied and put under another distribution licence
@@ -82,134 +82,138 @@
 
 static void EVP_PKEY_free_it(EVP_PKEY *x);
 
-int EVP_PKEY_bits(EVP_PKEY *pkey)
-	{
+int
+EVP_PKEY_bits(EVP_PKEY *pkey)
+{
 	if (pkey && pkey->ameth && pkey->ameth->pkey_bits)
 		return pkey->ameth->pkey_bits(pkey);
 	return 0;
-	}
+}
 
-int EVP_PKEY_size(EVP_PKEY *pkey)
-	{
+int
+EVP_PKEY_size(EVP_PKEY *pkey)
+{
 	if (pkey && pkey->ameth && pkey->ameth->pkey_size)
 		return pkey->ameth->pkey_size(pkey);
 	return 0;
-	}
+}
 
-int EVP_PKEY_save_parameters(EVP_PKEY *pkey, int mode)
-	{
+int
+EVP_PKEY_save_parameters(EVP_PKEY *pkey, int mode)
+{
 #ifndef OPENSSL_NO_DSA
-	if (pkey->type == EVP_PKEY_DSA)
-		{
-		int ret=pkey->save_parameters;
+	if (pkey->type == EVP_PKEY_DSA) {
+		int ret = pkey->save_parameters;
 
 		if (mode >= 0)
-			pkey->save_parameters=mode;
-		return(ret);
-		}
+			pkey->save_parameters = mode;
+		return (ret);
+	}
 #endif
 #ifndef OPENSSL_NO_EC
-	if (pkey->type == EVP_PKEY_EC)
-		{
+	if (pkey->type == EVP_PKEY_EC) {
 		int ret = pkey->save_parameters;
 
 		if (mode >= 0)
 			pkey->save_parameters = mode;
-		return(ret);
-		}
-#endif
-	return(0);
+		return (ret);
 	}
+#endif
+	return (0);
+}
 
-int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from)
-	{
-	if (to->type != from->type)
-		{
-		EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS,EVP_R_DIFFERENT_KEY_TYPES);
+int
+EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from)
+{
+	if (to->type != from->type) {
+		EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS,
+		    EVP_R_DIFFERENT_KEY_TYPES);
 		goto err;
-		}
+	}
 
-	if (EVP_PKEY_missing_parameters(from))
-		{
-		EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS,EVP_R_MISSING_PARAMETERS);
+	if (EVP_PKEY_missing_parameters(from)) {
+		EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS,
+		    EVP_R_MISSING_PARAMETERS);
 		goto err;
-		}
+	}
 	if (from->ameth && from->ameth->param_copy)
 		return from->ameth->param_copy(to, from);
+
 err:
 	return 0;
-	}
+}
 
-int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey)
-	{
+int
+EVP_PKEY_missing_parameters(const EVP_PKEY *pkey)
+{
 	if (pkey->ameth && pkey->ameth->param_missing)
 		return pkey->ameth->param_missing(pkey);
 	return 0;
-	}
+}
 
-int EVP_PKEY_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b)
-	{
+int
+EVP_PKEY_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b)
+{
 	if (a->type != b->type)
 		return -1;
 	if (a->ameth && a->ameth->param_cmp)
 		return a->ameth->param_cmp(a, b);
 	return -2;
-	}
+}
 
-int EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b)
-	{
+int
+EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b)
+{
 	if (a->type != b->type)
 		return -1;
 
-	if (a->ameth)
-		{
+	if (a->ameth) {
 		int ret;
 		/* Compare parameters if the algorithm has them */
-		if (a->ameth->param_cmp)
-			{
+		if (a->ameth->param_cmp) {
 			ret = a->ameth->param_cmp(a, b);
 			if (ret <= 0)
 				return ret;
-			}
+		}
 
 		if (a->ameth->pub_cmp)
 			return a->ameth->pub_cmp(a, b);
-		}
+	}
 
 	return -2;
-	}
+}
 
-EVP_PKEY *EVP_PKEY_new(void)
-	{
+EVP_PKEY *
+EVP_PKEY_new(void)
+{
 	EVP_PKEY *ret;
 
-	ret=(EVP_PKEY *)malloc(sizeof(EVP_PKEY));
-	if (ret == NULL)
-		{
-		EVPerr(EVP_F_EVP_PKEY_NEW,ERR_R_MALLOC_FAILURE);
-		return(NULL);
-		}
-	ret->type=EVP_PKEY_NONE;
-	ret->save_type=EVP_PKEY_NONE;
-	ret->references=1;
-	ret->ameth=NULL;
-	ret->engine=NULL;
-	ret->pkey.ptr=NULL;
-	ret->attributes=NULL;
-	ret->save_parameters=1;
-	return(ret);
+	ret = (EVP_PKEY *)malloc(sizeof(EVP_PKEY));
+	if (ret == NULL) {
+		EVPerr(EVP_F_EVP_PKEY_NEW, ERR_R_MALLOC_FAILURE);
+		return (NULL);
 	}
+	ret->type = EVP_PKEY_NONE;
+	ret->save_type = EVP_PKEY_NONE;
+	ret->references = 1;
+	ret->ameth = NULL;
+	ret->engine = NULL;
+	ret->pkey.ptr = NULL;
+	ret->attributes = NULL;
+	ret->save_parameters = 1;
+	return (ret);
+}
 
 /* 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.
  */
 
-static int pkey_set_type(EVP_PKEY *pkey, int type, const char *str, int len)
-	{
+static int
+pkey_set_type(EVP_PKEY *pkey, int type, const char *str, int len)
+{
 	const EVP_PKEY_ASN1_METHOD *ameth;
 	ENGINE *e = NULL;
-	if (pkey)
-		{
+	if (pkey) {
 		if (pkey->pkey.ptr)
 			EVP_PKEY_free_it(pkey);
 		/* If key type matches and a method exists then this
@@ -219,13 +223,12 @@ static int pkey_set_type(EVP_PKEY *pkey, int type, const char *str, int len)
 			return 1;
 #ifndef OPENSSL_NO_ENGINE
 		/* If we have an ENGINE release it */
-		if (pkey->engine)
-			{
+		if (pkey->engine) {
 			ENGINE_finish(pkey->engine);
 			pkey->engine = NULL;
-			}
-#endif
 		}
+#endif
+	}
 	if (str)
 		ameth = EVP_PKEY_asn1_find_str(&e, str, len);
 	else
@@ -234,57 +237,61 @@ static int pkey_set_type(EVP_PKEY *pkey, int type, const char *str, int len)
 	if (!pkey && e)
 		ENGINE_finish(e);
 #endif
-	if (!ameth)
-		{
+	if (!ameth) {
 		EVPerr(EVP_F_PKEY_SET_TYPE, EVP_R_UNSUPPORTED_ALGORITHM);
 		return 0;
-		}
-	if (pkey)
-		{
+	}
+	if (pkey) {
 		pkey->ameth = ameth;
 		pkey->engine = e;
 
 		pkey->type = pkey->ameth->pkey_id;
-		pkey->save_type=type;
-		}
-	return 1;
+		pkey->save_type = type;
 	}
+	return 1;
+}
 
-int EVP_PKEY_set_type(EVP_PKEY *pkey, int type)
-	{
+int
+EVP_PKEY_set_type(EVP_PKEY *pkey, int type)
+{
 	return pkey_set_type(pkey, type, NULL, -1);
-	}
+}
 
-int EVP_PKEY_set_type_str(EVP_PKEY *pkey, const char *str, int len)
-	{
+int
+EVP_PKEY_set_type_str(EVP_PKEY *pkey, const char *str, int len)
+{
 	return pkey_set_type(pkey, EVP_PKEY_NONE, str, len);
-	}
+}
 
-int EVP_PKEY_assign(EVP_PKEY *pkey, int type, void *key)
-	{
+int
+EVP_PKEY_assign(EVP_PKEY *pkey, int type, void *key)
+{
 	if (!EVP_PKEY_set_type(pkey, type))
 		return 0;
-	pkey->pkey.ptr=key;
+	pkey->pkey.ptr = key;
 	return (key != NULL);
-	}
+}
 
-void *EVP_PKEY_get0(EVP_PKEY *pkey)
-	{
+void *
+EVP_PKEY_get0(EVP_PKEY *pkey)
+{
 	return pkey->pkey.ptr;
-	}
+}
 
 #ifndef OPENSSL_NO_RSA
-int EVP_PKEY_set1_RSA(EVP_PKEY *pkey, RSA *key)
+int
+EVP_PKEY_set1_RSA(EVP_PKEY *pkey, RSA *key)
 {
 	int ret = EVP_PKEY_assign_RSA(pkey, key);
-	if(ret)
+	if (ret)
 		RSA_up_ref(key);
 	return ret;
 }
 
-RSA *EVP_PKEY_get1_RSA(EVP_PKEY *pkey)
-	{
-	if(pkey->type != EVP_PKEY_RSA) {
+RSA *
+EVP_PKEY_get1_RSA(EVP_PKEY *pkey)
+{
+	if (pkey->type != EVP_PKEY_RSA) {
 		EVPerr(EVP_F_EVP_PKEY_GET1_RSA, EVP_R_EXPECTING_AN_RSA_KEY);
 		return NULL;
 	}
@@ -294,17 +301,19 @@ RSA *EVP_PKEY_get1_RSA(EVP_PKEY *pkey)
 #endif
 
 #ifndef OPENSSL_NO_DSA
-int EVP_PKEY_set1_DSA(EVP_PKEY *pkey, DSA *key)
+int
+EVP_PKEY_set1_DSA(EVP_PKEY *pkey, DSA *key)
 {
 	int ret = EVP_PKEY_assign_DSA(pkey, key);
-	if(ret)
+	if (ret)
 		DSA_up_ref(key);
 	return ret;
 }
 
-DSA *EVP_PKEY_get1_DSA(EVP_PKEY *pkey)
-	{
-	if(pkey->type != EVP_PKEY_DSA) {
+DSA *
+EVP_PKEY_get1_DSA(EVP_PKEY *pkey)
+{
+	if (pkey->type != EVP_PKEY_DSA) {
 		EVPerr(EVP_F_EVP_PKEY_GET1_DSA, EVP_R_EXPECTING_A_DSA_KEY);
 		return NULL;
 	}
@@ -315,18 +324,19 @@ DSA *EVP_PKEY_get1_DSA(EVP_PKEY *pkey)
 
 #ifndef OPENSSL_NO_EC
 
-int EVP_PKEY_set1_EC_KEY(EVP_PKEY *pkey, EC_KEY *key)
+int
+EVP_PKEY_set1_EC_KEY(EVP_PKEY *pkey, EC_KEY *key)
 {
-	int ret = EVP_PKEY_assign_EC_KEY(pkey,key);
+	int ret = EVP_PKEY_assign_EC_KEY(pkey, key);
 	if (ret)
 		EC_KEY_up_ref(key);
 	return ret;
 }
 
-EC_KEY *EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey)
+EC_KEY *
+EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey)
 {
-	if (pkey->type != EVP_PKEY_EC)
-	{
+	if (pkey->type != EVP_PKEY_EC) {
 		EVPerr(EVP_F_EVP_PKEY_GET1_EC_KEY, EVP_R_EXPECTING_A_EC_KEY);
 		return NULL;
 	}
@@ -338,17 +348,19 @@ EC_KEY *EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey)
 
 #ifndef OPENSSL_NO_DH
 
-int EVP_PKEY_set1_DH(EVP_PKEY *pkey, DH *key)
+int
+EVP_PKEY_set1_DH(EVP_PKEY *pkey, DH *key)
 {
 	int ret = EVP_PKEY_assign_DH(pkey, key);
-	if(ret)
+	if (ret)
 		DH_up_ref(key);
 	return ret;
 }
 
-DH *EVP_PKEY_get1_DH(EVP_PKEY *pkey)
-	{
-	if(pkey->type != EVP_PKEY_DH) {
+DH *
+EVP_PKEY_get1_DH(EVP_PKEY *pkey)
+{
+	if (pkey->type != EVP_PKEY_DH) {
 		EVPerr(EVP_F_EVP_PKEY_GET1_DH, EVP_R_EXPECTING_A_DH_KEY);
 		return NULL;
 	}
@@ -357,8 +369,9 @@ DH *EVP_PKEY_get1_DH(EVP_PKEY *pkey)
 }
 #endif
 
-int EVP_PKEY_type(int type)
-	{
+int
+EVP_PKEY_type(int type)
+{
 	int ret;
 	const EVP_PKEY_ASN1_METHOD *ameth;
 	ENGINE *e;
@@ -372,89 +385,97 @@ int EVP_PKEY_type(int type)
 		ENGINE_finish(e);
 #endif
 	return ret;
-	}
+}
 
-int EVP_PKEY_id(const EVP_PKEY *pkey)
-	{
+int
+EVP_PKEY_id(const EVP_PKEY *pkey)
+{
 	return pkey->type;
-	}
+}
 
-int EVP_PKEY_base_id(const EVP_PKEY *pkey)
-	{
+int
+EVP_PKEY_base_id(const EVP_PKEY *pkey)
+{
 	return EVP_PKEY_type(pkey->type);
-	}
+}
 
-void EVP_PKEY_free(EVP_PKEY *x)
-	{
+void
+EVP_PKEY_free(EVP_PKEY *x)
+{
 	int i;
 
-	if (x == NULL) return;
+	if (x == NULL)
+		return;
 
-	i=CRYPTO_add(&x->references,-1,CRYPTO_LOCK_EVP_PKEY);
-	if (i > 0) return;
+	i = CRYPTO_add(&x->references, -1, CRYPTO_LOCK_EVP_PKEY);
+	if (i > 0)
+		return;
 
 	EVP_PKEY_free_it(x);
 	if (x->attributes)
 		sk_X509_ATTRIBUTE_pop_free(x->attributes, X509_ATTRIBUTE_free);
 	free(x);
-	}
+}
 
-static void EVP_PKEY_free_it(EVP_PKEY *x)
-	{
-	if (x->ameth && x->ameth->pkey_free)
-		{
+static void
+EVP_PKEY_free_it(EVP_PKEY *x)
+{
+	if (x->ameth && x->ameth->pkey_free) {
 		x->ameth->pkey_free(x);
 		x->pkey.ptr = NULL;
-		}
+	}
 #ifndef OPENSSL_NO_ENGINE
-	if (x->engine)
-		{
+	if (x->engine) {
 		ENGINE_finish(x->engine);
 		x->engine = NULL;
-		}
-#endif
 	}
+#endif
+}
 
-static int unsup_alg(BIO *out, const EVP_PKEY *pkey, int indent,
-				const char *kstr)
-	{
+static int
+unsup_alg(BIO *out, const EVP_PKEY *pkey, int indent, const char *kstr)
+{
 	BIO_indent(out, indent, 128);
 	BIO_printf(out, "%s algorithm \"%s\" unsupported\n",
-						kstr, OBJ_nid2ln(pkey->type));
+	    kstr, OBJ_nid2ln(pkey->type));
 	return 1;
-	}
+}
 
-int EVP_PKEY_print_public(BIO *out, const EVP_PKEY *pkey,
-				int indent, ASN1_PCTX *pctx)
-	{
+int
+EVP_PKEY_print_public(BIO *out, const EVP_PKEY *pkey, int indent,
+    ASN1_PCTX *pctx)
+{
 	if (pkey->ameth && pkey->ameth->pub_print)
 		return pkey->ameth->pub_print(out, pkey, indent, pctx);
-	
+
 	return unsup_alg(out, pkey, indent, "Public Key");
-	}
+}
 
-int EVP_PKEY_print_private(BIO *out, const EVP_PKEY *pkey,
-				int indent, ASN1_PCTX *pctx)
-	{
+int
+EVP_PKEY_print_private(BIO *out, const EVP_PKEY *pkey, int indent,
+    ASN1_PCTX *pctx)
+{
 	if (pkey->ameth && pkey->ameth->priv_print)
 		return pkey->ameth->priv_print(out, pkey, indent, pctx);
-	
+
 	return unsup_alg(out, pkey, indent, "Private Key");
-	}
+}
 
-int EVP_PKEY_print_params(BIO *out, const EVP_PKEY *pkey,
-				int indent, ASN1_PCTX *pctx)
-	{
+int
+EVP_PKEY_print_params(BIO *out, const EVP_PKEY *pkey, int indent,
+    ASN1_PCTX *pctx)
+{
 	if (pkey->ameth && pkey->ameth->param_print)
 		return pkey->ameth->param_print(out, pkey, indent, pctx);
 	return unsup_alg(out, pkey, indent, "Parameters");
-	}
+}
 
-int EVP_PKEY_get_default_digest_nid(EVP_PKEY *pkey, int *pnid)
-	{
+int
+EVP_PKEY_get_default_digest_nid(EVP_PKEY *pkey, int *pnid)
+{
 	if (!pkey->ameth || !pkey->ameth->pkey_ctrl)
 		return -2;
 	return pkey->ameth->pkey_ctrl(pkey, ASN1_PKEY_CTRL_DEFAULT_MD_NID,
-						0, pnid);
-	}
+	    0, pnid);
+}
 
-- 
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