1 files changed, 20 insertions, 231 deletions

diff --git a/crypto/pem/pem_lib.c b/crypto/pem/pem_lib.c
index 009d967..1c1a64a 100644
--- a/crypto/pem/pem_lib.c
+++ b/crypto/pem/pem_lib.c
@@ -73,19 +73,10 @@ const char *PEM_version="PEM" OPENSSL_VERSION_PTEXT;
 
 #define MIN_LENGTH	4
 
-static int def_callback(char *buf, int num, int w, void *userdata);
 static int load_iv(unsigned char **fromp,unsigned char *to, int num);
 static int check_pem(const char *nm, const char *name);
-static int do_pk8pkey(BIO *bp, EVP_PKEY *x, int isder,
-				int nid, const EVP_CIPHER *enc,
-				char *kstr, int klen,
-				pem_password_cb *cb, void *u);
-static int do_pk8pkey_fp(FILE *bp, EVP_PKEY *x, int isder,
-				int nid, const EVP_CIPHER *enc,
-				char *kstr, int klen,
-				pem_password_cb *cb, void *u);
-
-static int def_callback(char *buf, int num, int w, void *key)
+
+int PEM_def_callback(char *buf, int num, int w, void *key)
 	{
 #ifdef OPENSSL_NO_FP_API
 	/* We should not ever call the default callback routine from
@@ -224,14 +215,14 @@ static int check_pem(const char *nm, const char *name)
 	return 0;
 }
 
-char *PEM_ASN1_read_bio(char *(*d2i)(), const char *name, BIO *bp, char **x,
+int PEM_bytes_read_bio(unsigned char **pdata, long *plen, char **pnm, const char *name, BIO *bp,
 	     pem_password_cb *cb, void *u)
 	{
 	EVP_CIPHER_INFO cipher;
 	char *nm=NULL,*header=NULL;
-	unsigned char *p=NULL,*data=NULL;
+	unsigned char *data=NULL;
 	long len;
-	char *ret=NULL;
+	int ret = 0;
 
 	for (;;)
 		{
@@ -239,7 +230,7 @@ char *PEM_ASN1_read_bio(char *(*d2i)(), const char *name, BIO *bp, char **x,
 			if(ERR_GET_REASON(ERR_peek_error()) ==
 				PEM_R_NO_START_LINE)
 				ERR_add_error_data(2, "Expecting: ", name);
-			return(NULL);
+			return 0;
 		}
 		if(check_pem(nm, name)) break;
 		OPENSSL_free(nm);
@@ -248,51 +239,20 @@ char *PEM_ASN1_read_bio(char *(*d2i)(), const char *name, BIO *bp, char **x,
 		}
 	if (!PEM_get_EVP_CIPHER_INFO(header,&cipher)) goto err;
 	if (!PEM_do_header(&cipher,data,&len,cb,u)) goto err;
-	p=data;
-	if (strcmp(name,PEM_STRING_EVP_PKEY) == 0) {
-		if (strcmp(nm,PEM_STRING_RSA) == 0)
-			ret=d2i(EVP_PKEY_RSA,x,&p,len);
-		else if (strcmp(nm,PEM_STRING_DSA) == 0)
-			ret=d2i(EVP_PKEY_DSA,x,&p,len);
-		else if (strcmp(nm,PEM_STRING_PKCS8INF) == 0) {
-			PKCS8_PRIV_KEY_INFO *p8inf;
-			p8inf=d2i_PKCS8_PRIV_KEY_INFO(
-					(PKCS8_PRIV_KEY_INFO **) x, &p, len);
-			ret = (char *)EVP_PKCS82PKEY(p8inf);
-			PKCS8_PRIV_KEY_INFO_free(p8inf);
-		} else if (strcmp(nm,PEM_STRING_PKCS8) == 0) {
-			PKCS8_PRIV_KEY_INFO *p8inf;
-			X509_SIG *p8;
-			int klen;
-			char psbuf[PEM_BUFSIZE];
-			p8 = d2i_X509_SIG(NULL, &p, len);
-			if(!p8) goto p8err;
-			if (cb) klen=cb(psbuf,PEM_BUFSIZE,0,u);
-			else klen=def_callback(psbuf,PEM_BUFSIZE,0,u);
-			if (klen <= 0) {
-				PEMerr(PEM_F_PEM_ASN1_READ_BIO,
-						PEM_R_BAD_PASSWORD_READ);
-				goto err;
-			}
-			p8inf = PKCS8_decrypt(p8, psbuf, klen);
-			X509_SIG_free(p8);
-			if(!p8inf) goto p8err;
-			ret = (char *)EVP_PKCS82PKEY(p8inf);
-			if(x) {
-				if(*x) EVP_PKEY_free((EVP_PKEY *)*x);
-				*x = ret;
-			}
-			PKCS8_PRIV_KEY_INFO_free(p8inf);
-		}
-	} else	ret=d2i(x,&p,len);
-p8err:
-	if (ret == NULL)
-		PEMerr(PEM_F_PEM_ASN1_READ_BIO,ERR_R_ASN1_LIB);
+
+	*pdata = data;
+	*plen = len;
+
+	if (pnm)
+		*pnm = nm;
+
+	ret = 1;
+
 err:
-	OPENSSL_free(nm);
+	if (!pnm) OPENSSL_free(nm);
 	OPENSSL_free(header);
-	OPENSSL_free(data);
-	return(ret);
+	if (!ret) OPENSSL_free(data);
+	return ret;
 	}
 
 #ifndef OPENSSL_NO_FP_API
@@ -358,7 +318,7 @@ int PEM_ASN1_write_bio(int (*i2d)(), const char *name, BIO *bp, char *x,
 		if (kstr == NULL)
 			{
 			if (callback == NULL)
-				klen=def_callback(buf,PEM_BUFSIZE,1,u);
+				klen=PEM_def_callback(buf,PEM_BUFSIZE,1,u);
 			else
 				klen=(*callback)(buf,PEM_BUFSIZE,1,u);
 			if (klen <= 0)
@@ -422,7 +382,7 @@ int PEM_do_header(EVP_CIPHER_INFO *cipher, unsigned char *data, long *plen,
 
 	if (cipher->cipher == NULL) return(1);
 	if (callback == NULL)
-		klen=def_callback(buf,PEM_BUFSIZE,0,u);
+		klen=PEM_def_callback(buf,PEM_BUFSIZE,0,u);
 	else
 		klen=callback(buf,PEM_BUFSIZE,0,u);
 	if (klen <= 0)
@@ -794,174 +754,3 @@ err:
 	BUF_MEM_free(dataB);
 	return(0);
 	}
-
-/* These functions write a private key in PKCS#8 format: it is a "drop in"
- * replacement for PEM_write_bio_PrivateKey() and friends. As usual if 'enc'
- * is NULL then it uses the unencrypted private key form. The 'nid' versions
- * uses PKCS#5 v1.5 PBE algorithms whereas the others use PKCS#5 v2.0.
- */
-
-int PEM_write_bio_PKCS8PrivateKey_nid(BIO *bp, EVP_PKEY *x, int nid,
-				  char *kstr, int klen,
-				  pem_password_cb *cb, void *u)
-{
-	return do_pk8pkey(bp, x, 0, nid, NULL, kstr, klen, cb, u);
-}
-
-int PEM_write_bio_PKCS8PrivateKey(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc,
-				  char *kstr, int klen,
-				  pem_password_cb *cb, void *u)
-{
-	return do_pk8pkey(bp, x, 0, -1, enc, kstr, klen, cb, u);
-}
-
-int i2d_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc,
-				  char *kstr, int klen,
-				  pem_password_cb *cb, void *u)
-{
-	return do_pk8pkey(bp, x, 1, -1, enc, kstr, klen, cb, u);
-}
-
-int i2d_PKCS8PrivateKey_nid_bio(BIO *bp, EVP_PKEY *x, int nid,
-				  char *kstr, int klen,
-				  pem_password_cb *cb, void *u)
-{
-	return do_pk8pkey(bp, x, 1, nid, NULL, kstr, klen, cb, u);
-}
-
-static int do_pk8pkey(BIO *bp, EVP_PKEY *x, int isder, int nid, const EVP_CIPHER *enc,
-				  char *kstr, int klen,
-				  pem_password_cb *cb, void *u)
-{
-	X509_SIG *p8;
-	PKCS8_PRIV_KEY_INFO *p8inf;
-	char buf[PEM_BUFSIZE];
-	int ret;
-	if(!(p8inf = EVP_PKEY2PKCS8(x))) {
-		PEMerr(PEM_F_PEM_WRITE_BIO_PKCS8PRIVATEKEY,
-					PEM_R_ERROR_CONVERTING_PRIVATE_KEY);
-		return 0;
-	}
-	if(enc || (nid != -1)) {
-		if(!kstr) {
-			if(!cb) klen = def_callback(buf, PEM_BUFSIZE, 1, u);
-			else klen = cb(buf, PEM_BUFSIZE, 1, u);
-			if(klen <= 0) {
-				PEMerr(PEM_F_PEM_WRITE_BIO_PKCS8PRIVATEKEY,
-								PEM_R_READ_KEY);
-				PKCS8_PRIV_KEY_INFO_free(p8inf);
-				return 0;
-			}
-				
-			kstr = buf;
-		}
-		p8 = PKCS8_encrypt(nid, enc, kstr, klen, NULL, 0, 0, p8inf);
-		if(kstr == buf) memset(buf, 0, klen);
-		PKCS8_PRIV_KEY_INFO_free(p8inf);
-		if(isder) ret = i2d_PKCS8_bio(bp, p8);
-		else ret = PEM_write_bio_PKCS8(bp, p8);
-		X509_SIG_free(p8);
-		return ret;
-	} else {
-		if(isder) ret = i2d_PKCS8_PRIV_KEY_INFO_bio(bp, p8inf);
-		else ret = PEM_write_bio_PKCS8_PRIV_KEY_INFO(bp, p8inf);
-		PKCS8_PRIV_KEY_INFO_free(p8inf);
-		return ret;
-	}
-}
-
-/* Finally the DER version to read PKCS#8 encrypted private keys. It has to be
- * here to access the default callback.
- */
-
-EVP_PKEY *d2i_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY **x, pem_password_cb *cb, void *u)
-{
-	PKCS8_PRIV_KEY_INFO *p8inf = NULL;
-	X509_SIG *p8 = NULL;
-	int klen;
-	EVP_PKEY *ret;
-	char psbuf[PEM_BUFSIZE];
-	p8 = d2i_PKCS8_bio(bp, NULL);
-	if(!p8) return NULL;
-	if (cb) klen=cb(psbuf,PEM_BUFSIZE,0,u);
-	else klen=def_callback(psbuf,PEM_BUFSIZE,0,u);
-	if (klen <= 0) {
-		PEMerr(PEM_F_D2I_PKCS8PRIVATEKEY_BIO, PEM_R_BAD_PASSWORD_READ);
-		X509_SIG_free(p8);
-		return NULL;	
-	}
-	p8inf = PKCS8_decrypt(p8, psbuf, klen);
-	X509_SIG_free(p8);
-	if(!p8inf) return NULL;
-	ret = EVP_PKCS82PKEY(p8inf);
-	PKCS8_PRIV_KEY_INFO_free(p8inf);
-	if(!ret) return NULL;
-	if(x) {
-		if(*x) EVP_PKEY_free(*x);
-		*x = ret;
-	}
-	return ret;
-}
-
-#ifndef OPENSSL_NO_FP_API
-
-int i2d_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc,
-				  char *kstr, int klen,
-				  pem_password_cb *cb, void *u)
-{
-	return do_pk8pkey_fp(fp, x, 1, -1, enc, kstr, klen, cb, u);
-}
-
-int i2d_PKCS8PrivateKey_nid_fp(FILE *fp, EVP_PKEY *x, int nid,
-				  char *kstr, int klen,
-				  pem_password_cb *cb, void *u)
-{
-	return do_pk8pkey_fp(fp, x, 1, nid, NULL, kstr, klen, cb, u);
-}
-
-int PEM_write_PKCS8PrivateKey_nid(FILE *fp, EVP_PKEY *x, int nid,
-				  char *kstr, int klen,
-				  pem_password_cb *cb, void *u)
-{
-	return do_pk8pkey_fp(fp, x, 0, nid, NULL, kstr, klen, cb, u);
-}
-
-int PEM_write_PKCS8PrivateKey(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc,
-			      char *kstr, int klen, pem_password_cb *cb, void *u)
-{
-	return do_pk8pkey_fp(fp, x, 0, -1, enc, kstr, klen, cb, u);
-}
-
-static int do_pk8pkey_fp(FILE *fp, EVP_PKEY *x, int isder, int nid, const EVP_CIPHER *enc,
-				  char *kstr, int klen,
-				  pem_password_cb *cb, void *u)
-{
-	BIO *bp;
-	int ret;
-	if(!(bp = BIO_new_fp(fp, BIO_NOCLOSE))) {
-		PEMerr(PEM_F_PEM_F_DO_PK8KEY_FP,ERR_R_BUF_LIB);
-                return(0);
-	}
-	ret = do_pk8pkey(bp, x, isder, nid, enc, kstr, klen, cb, u);
-	BIO_free(bp);
-	return ret;
-}
-
-EVP_PKEY *d2i_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY **x, pem_password_cb *cb, void *u)
-{
-	BIO *bp;
-	EVP_PKEY *ret;
-	if(!(bp = BIO_new_fp(fp, BIO_NOCLOSE))) {
-		PEMerr(PEM_F_D2I_PKCS8PRIVATEKEY_FP,ERR_R_BUF_LIB);
-                return NULL;
-	}
-	ret = d2i_PKCS8PrivateKey_bio(bp, x, cb, u);
-	BIO_free(bp);
-	return ret;
-}
-
-#endif
-
-IMPLEMENT_PEM_rw(PKCS8, X509_SIG, PEM_STRING_PKCS8, X509_SIG)
-IMPLEMENT_PEM_rw(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO, PEM_STRING_PKCS8INF,
-							 PKCS8_PRIV_KEY_INFO)