Initial import

1 files changed, 405 insertions, 0 deletions

diff --git a/openssl/crypto/pem/pem_info.c b/openssl/crypto/pem/pem_info.c
new file mode 100644
index 00000000..1b2be527
--- /dev/null
+++ b/openssl/crypto/pem/pem_info.c
@@ -0,0 +1,405 @@
+/* crypto/pem/pem_info.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * 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:
+ * 1. Redistributions of source code must retain the copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     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 
+ *    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
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * 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
+ * [including the GNU Public Licence.]
+ */
+
+#include <stdio.h>
+#include "cryptlib.h"
+#include <openssl/buffer.h>
+#include <openssl/objects.h>
+#include <openssl/evp.h>
+#include <openssl/x509.h>
+#include <openssl/pem.h>
+#ifndef OPENSSL_NO_RSA
+#include <openssl/rsa.h>
+#endif
+#ifndef OPENSSL_NO_DSA
+#include <openssl/dsa.h>
+#endif
+
+#ifndef OPENSSL_NO_FP_API
+STACK_OF(X509_INFO) *PEM_X509_INFO_read(FILE *fp, STACK_OF(X509_INFO) *sk, pem_password_cb *cb, void *u)
+	{
+        BIO *b;
+        STACK_OF(X509_INFO) *ret;
+
+        if ((b=BIO_new(BIO_s_file())) == NULL)
+		{
+		PEMerr(PEM_F_PEM_X509_INFO_READ,ERR_R_BUF_LIB);
+                return(0);
+		}
+        BIO_set_fp(b,fp,BIO_NOCLOSE);
+        ret=PEM_X509_INFO_read_bio(b,sk,cb,u);
+        BIO_free(b);
+        return(ret);
+	}
+#endif
+
+STACK_OF(X509_INFO) *PEM_X509_INFO_read_bio(BIO *bp, STACK_OF(X509_INFO) *sk, pem_password_cb *cb, void *u)
+	{
+	X509_INFO *xi=NULL;
+	char *name=NULL,*header=NULL;
+	void *pp;
+	unsigned char *data=NULL;
+	const unsigned char *p;
+	long len,error=0;
+	int ok=0;
+	STACK_OF(X509_INFO) *ret=NULL;
+	unsigned int i,raw,ptype;
+	d2i_of_void *d2i = 0;
+
+	if (sk == NULL)
+		{
+		if ((ret=sk_X509_INFO_new_null()) == NULL)
+			{
+			PEMerr(PEM_F_PEM_X509_INFO_READ_BIO,ERR_R_MALLOC_FAILURE);
+			goto err;
+			}
+		}
+	else
+		ret=sk;
+
+	if ((xi=X509_INFO_new()) == NULL) goto err;
+	for (;;)
+		{
+		raw=0;
+		ptype = 0;
+		i=PEM_read_bio(bp,&name,&header,&data,&len);
+		if (i == 0)
+			{
+			error=ERR_GET_REASON(ERR_peek_last_error());
+			if (error == PEM_R_NO_START_LINE)
+				{
+				ERR_clear_error();
+				break;
+				}
+			goto err;
+			}
+start:
+		if (	(strcmp(name,PEM_STRING_X509) == 0) ||
+			(strcmp(name,PEM_STRING_X509_OLD) == 0))
+			{
+			d2i=(D2I_OF(void))d2i_X509;
+			if (xi->x509 != NULL)
+				{
+				if (!sk_X509_INFO_push(ret,xi)) goto err;
+				if ((xi=X509_INFO_new()) == NULL) goto err;
+				goto start;
+				}
+			pp=&(xi->x509);
+			}
+		else if ((strcmp(name,PEM_STRING_X509_TRUSTED) == 0))
+			{
+			d2i=(D2I_OF(void))d2i_X509_AUX;
+			if (xi->x509 != NULL)
+				{
+				if (!sk_X509_INFO_push(ret,xi)) goto err;
+				if ((xi=X509_INFO_new()) == NULL) goto err;
+				goto start;
+				}
+			pp=&(xi->x509);
+			}
+		else if (strcmp(name,PEM_STRING_X509_CRL) == 0)
+			{
+			d2i=(D2I_OF(void))d2i_X509_CRL;
+			if (xi->crl != NULL)
+				{
+				if (!sk_X509_INFO_push(ret,xi)) goto err;
+				if ((xi=X509_INFO_new()) == NULL) goto err;
+				goto start;
+				}
+			pp=&(xi->crl);
+			}
+		else
+#ifndef OPENSSL_NO_RSA
+			if (strcmp(name,PEM_STRING_RSA) == 0)
+			{
+			if (xi->x_pkey != NULL) 
+				{
+				if (!sk_X509_INFO_push(ret,xi)) goto err;
+				if ((xi=X509_INFO_new()) == NULL) goto err;
+				goto start;
+				}
+
+			xi->enc_data=NULL;
+			xi->enc_len=0;
+
+			xi->x_pkey=X509_PKEY_new();
+			ptype=EVP_PKEY_RSA;
+			pp=&xi->x_pkey->dec_pkey;
+			if ((int)strlen(header) > 10) /* assume encrypted */
+				raw=1;
+			}
+		else
+#endif
+#ifndef OPENSSL_NO_DSA
+			if (strcmp(name,PEM_STRING_DSA) == 0)
+			{
+			d2i=(D2I_OF(void))d2i_DSAPrivateKey;
+			if (xi->x_pkey != NULL) 
+				{
+				if (!sk_X509_INFO_push(ret,xi)) goto err;
+				if ((xi=X509_INFO_new()) == NULL) goto err;
+				goto start;
+				}
+
+			xi->enc_data=NULL;
+			xi->enc_len=0;
+
+			xi->x_pkey=X509_PKEY_new();
+			ptype = EVP_PKEY_DSA;
+			pp=&xi->x_pkey->dec_pkey;
+			if ((int)strlen(header) > 10) /* assume encrypted */
+				raw=1;
+			}
+		else
+#endif
+#ifndef OPENSSL_NO_EC
+ 			if (strcmp(name,PEM_STRING_ECPRIVATEKEY) == 0)
+ 			{
+ 				d2i=(D2I_OF(void))d2i_ECPrivateKey;
+ 				if (xi->x_pkey != NULL) 
+ 				{
+ 					if (!sk_X509_INFO_push(ret,xi)) goto err;
+ 					if ((xi=X509_INFO_new()) == NULL) goto err;
+ 						goto start;
+ 				}
+ 
+ 			xi->enc_data=NULL;
+ 			xi->enc_len=0;
+ 
+ 			xi->x_pkey=X509_PKEY_new();
+			ptype = EVP_PKEY_EC;
+ 			pp=&xi->x_pkey->dec_pkey;
+ 			if ((int)strlen(header) > 10) /* assume encrypted */
+ 				raw=1;
+			}
+		else
+#endif
+			{
+			d2i=NULL;
+			pp=NULL;
+			}
+
+		if (d2i != NULL)
+			{
+			if (!raw)
+				{
+				EVP_CIPHER_INFO cipher;
+
+				if (!PEM_get_EVP_CIPHER_INFO(header,&cipher))
+					goto err;
+				if (!PEM_do_header(&cipher,data,&len,cb,u))
+					goto err;
+				p=data;
+				if (ptype)
+					{
+					if (!d2i_PrivateKey(ptype, pp, &p, len))
+						{
+						PEMerr(PEM_F_PEM_X509_INFO_READ_BIO,ERR_R_ASN1_LIB);
+						goto err;
+						}
+					}
+				else if (d2i(pp,&p,len) == NULL)
+					{
+					PEMerr(PEM_F_PEM_X509_INFO_READ_BIO,ERR_R_ASN1_LIB);
+					goto err;
+					}
+				}
+			else
+				{ /* encrypted RSA data */
+				if (!PEM_get_EVP_CIPHER_INFO(header,
+					&xi->enc_cipher)) goto err;
+				xi->enc_data=(char *)data;
+				xi->enc_len=(int)len;
+				data=NULL;
+				}
+			}
+		else	{
+			/* unknown */
+			}
+		if (name != NULL) OPENSSL_free(name);
+		if (header != NULL) OPENSSL_free(header);
+		if (data != NULL) OPENSSL_free(data);
+		name=NULL;
+		header=NULL;
+		data=NULL;
+		}
+
+	/* if the last one hasn't been pushed yet and there is anything
+	 * in it then add it to the stack ... 
+	 */
+	if ((xi->x509 != NULL) || (xi->crl != NULL) ||
+		(xi->x_pkey != NULL) || (xi->enc_data != NULL))
+		{
+		if (!sk_X509_INFO_push(ret,xi)) goto err;
+		xi=NULL;
+		}
+	ok=1;
+err:
+	if (xi != NULL) X509_INFO_free(xi);
+	if (!ok)
+		{
+		for (i=0; ((int)i)<sk_X509_INFO_num(ret); i++)
+			{
+			xi=sk_X509_INFO_value(ret,i);
+			X509_INFO_free(xi);
+			}
+		if (ret != sk) sk_X509_INFO_free(ret);
+		ret=NULL;
+		}
+		
+	if (name != NULL) OPENSSL_free(name);
+	if (header != NULL) OPENSSL_free(header);
+	if (data != NULL) OPENSSL_free(data);
+	return(ret);
+	}
+
+
+/* A TJH addition */
+int PEM_X509_INFO_write_bio(BIO *bp, X509_INFO *xi, EVP_CIPHER *enc,
+	     unsigned char *kstr, int klen, pem_password_cb *cb, void *u)
+	{
+	EVP_CIPHER_CTX ctx;
+	int i,ret=0;
+	unsigned char *data=NULL;
+	const char *objstr=NULL;
+	char buf[PEM_BUFSIZE];
+	unsigned char *iv=NULL;
+	
+	if (enc != NULL)
+		{
+		objstr=OBJ_nid2sn(EVP_CIPHER_nid(enc));
+		if (objstr == NULL)
+			{
+			PEMerr(PEM_F_PEM_X509_INFO_WRITE_BIO,PEM_R_UNSUPPORTED_CIPHER);
+			goto err;
+			}
+		}
+
+	/* now for the fun part ... if we have a private key then 
+	 * we have to be able to handle a not-yet-decrypted key
+	 * being written out correctly ... if it is decrypted or
+	 * it is non-encrypted then we use the base code
+	 */
+	if (xi->x_pkey!=NULL)
+		{
+		if ( (xi->enc_data!=NULL) && (xi->enc_len>0) )
+			{
+			if (enc == NULL)
+				{
+				PEMerr(PEM_F_PEM_X509_INFO_WRITE_BIO,PEM_R_CIPHER_IS_NULL);
+				goto err;
+				}
+
+			/* copy from weirdo names into more normal things */
+			iv=xi->enc_cipher.iv;
+			data=(unsigned char *)xi->enc_data;
+			i=xi->enc_len;
+
+			/* we take the encryption data from the
+			 * internal stuff rather than what the
+			 * user has passed us ... as we have to 
+			 * match exactly for some strange reason
+			 */
+			objstr=OBJ_nid2sn(
+				EVP_CIPHER_nid(xi->enc_cipher.cipher));
+			if (objstr == NULL)
+				{
+				PEMerr(PEM_F_PEM_X509_INFO_WRITE_BIO,PEM_R_UNSUPPORTED_CIPHER);
+				goto err;
+				}
+
+			/* create the right magic header stuff */
+			OPENSSL_assert(strlen(objstr)+23+2*enc->iv_len+13 <= sizeof buf);
+			buf[0]='\0';
+			PEM_proc_type(buf,PEM_TYPE_ENCRYPTED);
+			PEM_dek_info(buf,objstr,enc->iv_len,(char *)iv);
+
+			/* use the normal code to write things out */
+			i=PEM_write_bio(bp,PEM_STRING_RSA,buf,data,i);
+			if (i <= 0) goto err;
+			}
+		else
+			{
+			/* Add DSA/DH */
+#ifndef OPENSSL_NO_RSA
+			/* normal optionally encrypted stuff */
+			if (PEM_write_bio_RSAPrivateKey(bp,
+				xi->x_pkey->dec_pkey->pkey.rsa,
+				enc,kstr,klen,cb,u)<=0)
+				goto err;
+#endif
+			}
+		}
+
+	/* if we have a certificate then write it out now */
+	if ((xi->x509 != NULL) && (PEM_write_bio_X509(bp,xi->x509) <= 0))
+		goto err;
+
+	/* we are ignoring anything else that is loaded into the X509_INFO
+	 * structure for the moment ... as I don't need it so I'm not
+	 * coding it here and Eric can do it when this makes it into the
+	 * base library --tjh
+	 */
+
+	ret=1;
+
+err:
+	OPENSSL_cleanse((char *)&ctx,sizeof(ctx));
+	OPENSSL_cleanse(buf,PEM_BUFSIZE);
+	return(ret);
+	}