demos/b64.c - third_party/openssl - Git at Google

 /* demos/b64.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 <stdlib.h>
 #include <string.h>
 #include "../apps/apps.h"
 #include <openssl/buffer.h>
 #include <openssl/err.h>
 #include <openssl/evp.h>
 #include <openssl/objects.h>
 #include <openssl/x509.h>
 #include <openssl/pem.h>

 #undef SIZE
 #undef BSIZE
 #undef PROG

 #define SIZE	(512)
 #define BSIZE	(8*1024)
 #define	PROG	enc_main

 int main(argc,argv)
 int argc;
 char **argv;
 	{
 	char *strbuf=NULL;
 	unsigned char *buff=NULL,*bufsize=NULL;
 	int bsize=BSIZE,verbose=0;
 	int ret=1,inl;
 	unsigned char key[24],iv[MD5_DIGEST_LENGTH];
 	char *str=NULL;
 	char *hkey=NULL,*hiv=NULL;
 	int enc=1,printkey=0,i,base64=0;
 	int debug=0;
 	EVP_CIPHER *cipher=NULL,*c;
 	char *inf=NULL,*outf=NULL;
 	BIO *in=NULL,*out=NULL,*b64=NULL,*benc=NULL,*rbio=NULL,*wbio=NULL;
 #define PROG_NAME_SIZE  16
         char pname[PROG_NAME_SIZE];


 	apps_startup();

 	if (bio_err == NULL)
 		if ((bio_err=BIO_new(BIO_s_file())) != NULL)
 			BIO_set_fp(bio_err,stderr,BIO_NOCLOSE);

 	base64=1;

 	argc--;
 	argv++;
 	while (argc >= 1)
 		{
 		if	(strcmp(*argv,"-e") == 0)
 			enc=1;
 		if (strcmp(*argv,"-in") == 0)
 			{
 			if (--argc < 1) goto bad;
 			inf= *(++argv);
 			}
 		else if (strcmp(*argv,"-out") == 0)
 			{
 			if (--argc < 1) goto bad;
 			outf= *(++argv);
 			}
 		else if	(strcmp(*argv,"-d") == 0)
 			enc=0;
 		else if	(strcmp(*argv,"-v") == 0)
 			verbose=1;
 		else if	(strcmp(*argv,"-debug") == 0)
 			debug=1;
 		else if (strcmp(*argv,"-bufsize") == 0)
 			{
 			if (--argc < 1) goto bad;
 			bufsize=(unsigned char *)*(++argv);
 			}
 		else
 			{
 			BIO_printf(bio_err,"unknown option '%s'\n",*argv);
 bad:
 			BIO_printf(bio_err,"options are\n");
 			BIO_printf(bio_err,"%-14s input file\n","-in <file>");
 			BIO_printf(bio_err,"%-14s output file\n","-out <file>");
 			BIO_printf(bio_err,"%-14s encode\n","-e");
 			BIO_printf(bio_err,"%-14s decode\n","-d");
 			BIO_printf(bio_err,"%-14s buffer size\n","-bufsize <n>");

 			goto end;
 			}
 		argc--;
 		argv++;
 		}

 	if (bufsize != NULL)
 		{
 		int i;
 		unsigned long n;

 		for (n=0; *bufsize; bufsize++)
 			{
 			i= *bufsize;
 			if ((i <= '9') && (i >= '0'))
 				n=n*10+i-'0';
 			else if (i == 'k')
 				{
 				n*=1024;
 				bufsize++;
 				break;
 				}
 			}
 		if (*bufsize != '\0')
 			{
 			BIO_printf(bio_err,"invalid 'bufsize' specified.\n");
 			goto end;
 			}

 		/* It must be large enough for a base64 encoded line */
 		if (n < 80) n=80;

 		bsize=(int)n;
 		if (verbose) BIO_printf(bio_err,"bufsize=%d\n",bsize);
 		}

 	strbuf=Malloc(SIZE);
 	buff=(unsigned char *)Malloc(EVP_ENCODE_LENGTH(bsize));
 	if ((buff == NULL) || (strbuf == NULL))
 		{
 		BIO_printf(bio_err,"Malloc failure\n");
 		goto end;
 		}

 	in=BIO_new(BIO_s_file());
 	out=BIO_new(BIO_s_file());
 	if ((in == NULL) || (out == NULL))
 		{
 		ERR_print_errors(bio_err);
 		goto end;
 		}
 	if (debug)
 		{
 		BIO_set_callback(in,BIO_debug_callback);
 		BIO_set_callback(out,BIO_debug_callback);
 		BIO_set_callback_arg(in,bio_err);
 		BIO_set_callback_arg(out,bio_err);
 		}

 	if (inf == NULL)
 		BIO_set_fp(in,stdin,BIO_NOCLOSE);
 	else
 		{
 		if (BIO_read_filename(in,inf) <= 0)
 			{
 			perror(inf);
 			goto end;
 			}
 		}

 	if (outf == NULL)
 		BIO_set_fp(out,stdout,BIO_NOCLOSE);
 	else
 		{
 		if (BIO_write_filename(out,outf) <= 0)
 			{
 			perror(outf);
 			goto end;
 			}
 		}

 	rbio=in;
 	wbio=out;

 	if (base64)
 		{
 		if ((b64=BIO_new(BIO_f_base64())) == NULL)
 			goto end;
 		if (debug)
 			{
 			BIO_set_callback(b64,BIO_debug_callback);
 			BIO_set_callback_arg(b64,bio_err);
 			}
 		if (enc)
 			wbio=BIO_push(b64,wbio);
 		else
 			rbio=BIO_push(b64,rbio);
 		}

 	for (;;)
 		{
 		inl=BIO_read(rbio,(char *)buff,bsize);
 		if (inl <= 0) break;
 		if (BIO_write(wbio,(char *)buff,inl) != inl)
 			{
 			BIO_printf(bio_err,"error writing output file\n");
 			goto end;
 			}
 		}
 	BIO_flush(wbio);

 	ret=0;
 	if (verbose)
 		{
 		BIO_printf(bio_err,"bytes read   :%8ld\n",BIO_number_read(in));
 		BIO_printf(bio_err,"bytes written:%8ld\n",BIO_number_written(out));
 		}
 end:
 	if (strbuf != NULL) Free(strbuf);
 	if (buff != NULL) Free(buff);
 	if (in != NULL) BIO_free(in);
 	if (out != NULL) BIO_free(out);
 	if (benc != NULL) BIO_free(benc);
 	if (b64 != NULL) BIO_free(b64);
 	EXIT(ret);
 	}
	/* demos/b64.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 <stdlib.h>
	#include <string.h>
	#include "../apps/apps.h"
	#include <openssl/buffer.h>
	#include <openssl/err.h>
	#include <openssl/evp.h>
	#include <openssl/objects.h>
	#include <openssl/x509.h>
	#include <openssl/pem.h>

	#undef SIZE
	#undef BSIZE
	#undef PROG

	#define SIZE (512)
	#define BSIZE (8*1024)
	#define PROG enc_main

	int main(argc,argv)
	int argc;
	char **argv;
	{
	char *strbuf=NULL;
	unsigned char buff=NULL,bufsize=NULL;
	int bsize=BSIZE,verbose=0;
	int ret=1,inl;
	unsigned char key[24],iv[MD5_DIGEST_LENGTH];
	char *str=NULL;
	char hkey=NULL,hiv=NULL;
	int enc=1,printkey=0,i,base64=0;
	int debug=0;
	EVP_CIPHER cipher=NULL,c;
	char inf=NULL,outf=NULL;
	BIO in=NULL,out=NULL,b64=NULL,benc=NULL,rbio=NULL,wbio=NULL;
	#define PROG_NAME_SIZE 16
	char pname[PROG_NAME_SIZE];


	apps_startup();

	if (bio_err == NULL)
	if ((bio_err=BIO_new(BIO_s_file())) != NULL)
	BIO_set_fp(bio_err,stderr,BIO_NOCLOSE);

	base64=1;

	argc--;
	argv++;
	while (argc >= 1)
	{
	if (strcmp(*argv,"-e") == 0)
	enc=1;
	if (strcmp(*argv,"-in") == 0)
	{
	if (--argc < 1) goto bad;
	inf= *(++argv);
	}
	else if (strcmp(*argv,"-out") == 0)
	{
	if (--argc < 1) goto bad;
	outf= *(++argv);
	}
	else if (strcmp(*argv,"-d") == 0)
	enc=0;
	else if (strcmp(*argv,"-v") == 0)
	verbose=1;
	else if (strcmp(*argv,"-debug") == 0)
	debug=1;
	else if (strcmp(*argv,"-bufsize") == 0)
	{
	if (--argc < 1) goto bad;
	bufsize=(unsigned char )(++argv);
	}
	else
	{
	BIO_printf(bio_err,"unknown option '%s'\n",*argv);
	bad:
	BIO_printf(bio_err,"options are\n");
	BIO_printf(bio_err,"%-14s input file\n","-in <file>");
	BIO_printf(bio_err,"%-14s output file\n","-out <file>");
	BIO_printf(bio_err,"%-14s encode\n","-e");
	BIO_printf(bio_err,"%-14s decode\n","-d");
	BIO_printf(bio_err,"%-14s buffer size\n","-bufsize <n>");

	goto end;
	}
	argc--;
	argv++;
	}

	if (bufsize != NULL)
	{
	int i;
	unsigned long n;

	for (n=0; *bufsize; bufsize++)
	{
	i= *bufsize;
	if ((i <= '9') && (i >= '0'))
	n=n*10+i-'0';
	else if (i == 'k')
	{
	n*=1024;
	bufsize++;
	break;
	}
	}
	if (*bufsize != '\0')
	{
	BIO_printf(bio_err,"invalid 'bufsize' specified.\n");
	goto end;
	}

	/* It must be large enough for a base64 encoded line */
	if (n < 80) n=80;

	bsize=(int)n;
	if (verbose) BIO_printf(bio_err,"bufsize=%d\n",bsize);
	}

	strbuf=Malloc(SIZE);
	buff=(unsigned char *)Malloc(EVP_ENCODE_LENGTH(bsize));
	if ((buff == NULL) \|\| (strbuf == NULL))
	{
	BIO_printf(bio_err,"Malloc failure\n");
	goto end;
	}

	in=BIO_new(BIO_s_file());
	out=BIO_new(BIO_s_file());
	if ((in == NULL) \|\| (out == NULL))
	{
	ERR_print_errors(bio_err);
	goto end;
	}
	if (debug)
	{
	BIO_set_callback(in,BIO_debug_callback);
	BIO_set_callback(out,BIO_debug_callback);
	BIO_set_callback_arg(in,bio_err);
	BIO_set_callback_arg(out,bio_err);
	}

	if (inf == NULL)
	BIO_set_fp(in,stdin,BIO_NOCLOSE);
	else
	{
	if (BIO_read_filename(in,inf) <= 0)
	{
	perror(inf);
	goto end;
	}
	}

	if (outf == NULL)
	BIO_set_fp(out,stdout,BIO_NOCLOSE);
	else
	{
	if (BIO_write_filename(out,outf) <= 0)
	{
	perror(outf);
	goto end;
	}
	}

	rbio=in;
	wbio=out;

	if (base64)
	{
	if ((b64=BIO_new(BIO_f_base64())) == NULL)
	goto end;
	if (debug)
	{
	BIO_set_callback(b64,BIO_debug_callback);
	BIO_set_callback_arg(b64,bio_err);
	}
	if (enc)
	wbio=BIO_push(b64,wbio);
	else
	rbio=BIO_push(b64,rbio);
	}

	for (;;)
	{
	inl=BIO_read(rbio,(char *)buff,bsize);
	if (inl <= 0) break;
	if (BIO_write(wbio,(char *)buff,inl) != inl)
	{
	BIO_printf(bio_err,"error writing output file\n");
	goto end;
	}
	}
	BIO_flush(wbio);

	ret=0;
	if (verbose)
	{
	BIO_printf(bio_err,"bytes read :%8ld\n",BIO_number_read(in));
	BIO_printf(bio_err,"bytes written:%8ld\n",BIO_number_written(out));
	}
	end:
	if (strbuf != NULL) Free(strbuf);
	if (buff != NULL) Free(buff);
	if (in != NULL) BIO_free(in);
	if (out != NULL) BIO_free(out);
	if (benc != NULL) BIO_free(benc);
	if (b64 != NULL) BIO_free(b64);
	EXIT(ret);
	}