171 lines
5.2 KiB
C
171 lines
5.2 KiB
C
/* apps/pem_mail.c */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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*/
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#ifndef NO_RSA
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#include <stdio.h>
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#include <openssl/rsa.h>
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#include <openssl/evp.h>
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#include <openssl/objects.h>
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#include <openssl/x509.h>
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#include <openssl/err.h>
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#include <openssl/pem.h>
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#include "apps.h"
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#undef PROG
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#define PROG pem_mail_main
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static char *usage[]={
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"usage: pem_mail args\n",
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"\n",
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" -in arg - input file - default stdin\n",
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" -out arg - output file - default stdout\n",
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" -cert arg - the certificate to use\n",
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" -key arg - the private key to use\n",
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" -MIC - sign the message\n",
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" -enc arg - encrypt with one of cbc-des\n",
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NULL
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};
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typedef struct lines_St
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{
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char *line;
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struct lines_st *next;
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} LINES;
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int main(int argc, char **argv)
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{
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FILE *in;
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RSA *rsa=NULL;
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EVP_MD_CTX ctx;
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unsigned int mic=0,i,n;
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unsigned char buf[1024*15];
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char *prog,*infile=NULL,*outfile=NULL,*key=NULL;
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int badops=0;
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apps_startup();
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prog=argv[0];
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argc--;
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argv++;
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while (argc >= 1)
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{
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if (strcmp(*argv,"-key") == 0)
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{
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if (--argc < 1) goto bad;
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key= *(++argv);
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}
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else if (strcmp(*argv,"-in") == 0)
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{
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if (--argc < 1) goto bad;
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infile= *(++argv);
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}
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else if (strcmp(*argv,"-out") == 0)
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{
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if (--argc < 1) goto bad;
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outfile= *(++argv);
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}
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else if (strcmp(*argv,"-mic") == 0)
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mic=1;
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else
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{
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BIO_printf(bio_err,"unknown option %s\n",*argv);
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badops=1;
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break;
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}
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argc--;
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argv++;
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}
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if (badops)
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{
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bad:
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BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
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BIO_printf(bio_err,"where options are\n");
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EXIT(1);
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}
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if (key == NULL)
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{ BIO_printf(bio_err,"you need to specify a key\n"); EXIT(1); }
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in=fopen(key,"r");
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if (in == NULL) { perror(key); EXIT(1); }
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rsa=PEM_read_RSAPrivateKey(in,NULL,NULL);
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if (rsa == NULL)
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{
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BIO_printf(bio_err,"unable to load Private Key\n");
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ERR_print_errors(bio_err);
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EXIT(1);
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}
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fclose(in);
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PEM_SignInit(&ctx,EVP_md5());
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for (;;)
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{
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i=fread(buf,1,1024*10,stdin);
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if (i <= 0) break;
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PEM_SignUpdate(&ctx,buf,i);
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}
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if (!PEM_SignFinal(&ctx,buf,&n,rsa)) goto err;
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BIO_printf(bio_err,"%s\n",buf);
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EXIT(0);
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err:
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ERR_print_errors(bio_err);
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EXIT(1);
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}
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#endif
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