mirror of
https://github.com/oxen-io/session-android.git
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321 lines
8.3 KiB
C
321 lines
8.3 KiB
C
/* apps/pkcs7.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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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include "apps.h"
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#include <openssl/err.h>
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#include <openssl/objects.h>
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#include <openssl/evp.h>
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#include <openssl/x509.h>
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#include <openssl/pkcs7.h>
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#include <openssl/pem.h>
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#undef PROG
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#define PROG pkcs7_main
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/* -inform arg - input format - default PEM (DER or PEM)
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* -outform arg - output format - default PEM
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* -in arg - input file - default stdin
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* -out arg - output file - default stdout
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* -print_certs
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*/
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int MAIN(int, char **);
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int MAIN(int argc, char **argv)
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{
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PKCS7 *p7=NULL;
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int i,badops=0;
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BIO *in=NULL,*out=NULL;
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int informat,outformat;
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char *infile,*outfile,*prog;
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int print_certs=0,text=0,noout=0,p7_print=0;
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int ret=1;
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#ifndef OPENSSL_NO_ENGINE
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char *engine=NULL;
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#endif
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apps_startup();
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if (bio_err == NULL)
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if ((bio_err=BIO_new(BIO_s_file())) != NULL)
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BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
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if (!load_config(bio_err, NULL))
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goto end;
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infile=NULL;
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outfile=NULL;
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informat=FORMAT_PEM;
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outformat=FORMAT_PEM;
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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,"-inform") == 0)
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{
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if (--argc < 1) goto bad;
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informat=str2fmt(*(++argv));
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}
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else if (strcmp(*argv,"-outform") == 0)
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{
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if (--argc < 1) goto bad;
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outformat=str2fmt(*(++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,"-noout") == 0)
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noout=1;
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else if (strcmp(*argv,"-text") == 0)
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text=1;
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else if (strcmp(*argv,"-print") == 0)
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p7_print=1;
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else if (strcmp(*argv,"-print_certs") == 0)
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print_certs=1;
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#ifndef OPENSSL_NO_ENGINE
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else if (strcmp(*argv,"-engine") == 0)
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{
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if (--argc < 1) goto bad;
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engine= *(++argv);
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}
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#endif
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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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BIO_printf(bio_err," -inform arg input format - DER or PEM\n");
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BIO_printf(bio_err," -outform arg output format - DER or PEM\n");
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BIO_printf(bio_err," -in arg input file\n");
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BIO_printf(bio_err," -out arg output file\n");
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BIO_printf(bio_err," -print_certs print any certs or crl in the input\n");
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BIO_printf(bio_err," -text print full details of certificates\n");
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BIO_printf(bio_err," -noout don't output encoded data\n");
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#ifndef OPENSSL_NO_ENGINE
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BIO_printf(bio_err," -engine e use engine e, possibly a hardware device.\n");
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#endif
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ret = 1;
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goto end;
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}
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ERR_load_crypto_strings();
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#ifndef OPENSSL_NO_ENGINE
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setup_engine(bio_err, engine, 0);
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#endif
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in=BIO_new(BIO_s_file());
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out=BIO_new(BIO_s_file());
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if ((in == NULL) || (out == NULL))
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{
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ERR_print_errors(bio_err);
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goto end;
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}
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if (infile == NULL)
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BIO_set_fp(in,stdin,BIO_NOCLOSE);
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else
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{
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if (BIO_read_filename(in,infile) <= 0)
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if (in == NULL)
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{
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perror(infile);
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goto end;
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}
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}
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if (informat == FORMAT_ASN1)
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p7=d2i_PKCS7_bio(in,NULL);
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else if (informat == FORMAT_PEM)
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p7=PEM_read_bio_PKCS7(in,NULL,NULL,NULL);
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else
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{
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BIO_printf(bio_err,"bad input format specified for pkcs7 object\n");
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goto end;
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}
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if (p7 == NULL)
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{
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BIO_printf(bio_err,"unable to load PKCS7 object\n");
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ERR_print_errors(bio_err);
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goto end;
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}
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if (outfile == NULL)
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{
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BIO_set_fp(out,stdout,BIO_NOCLOSE);
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#ifdef OPENSSL_SYS_VMS
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{
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BIO *tmpbio = BIO_new(BIO_f_linebuffer());
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out = BIO_push(tmpbio, out);
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}
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#endif
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}
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else
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{
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if (BIO_write_filename(out,outfile) <= 0)
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{
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perror(outfile);
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goto end;
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}
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}
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if (p7_print)
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PKCS7_print_ctx(out, p7, 0, NULL);
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if (print_certs)
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{
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STACK_OF(X509) *certs=NULL;
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STACK_OF(X509_CRL) *crls=NULL;
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i=OBJ_obj2nid(p7->type);
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switch (i)
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{
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case NID_pkcs7_signed:
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certs=p7->d.sign->cert;
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crls=p7->d.sign->crl;
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break;
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case NID_pkcs7_signedAndEnveloped:
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certs=p7->d.signed_and_enveloped->cert;
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crls=p7->d.signed_and_enveloped->crl;
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break;
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default:
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break;
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}
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if (certs != NULL)
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{
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X509 *x;
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for (i=0; i<sk_X509_num(certs); i++)
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{
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x=sk_X509_value(certs,i);
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if(text) X509_print(out, x);
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else dump_cert_text(out, x);
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if(!noout) PEM_write_bio_X509(out,x);
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BIO_puts(out,"\n");
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}
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}
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if (crls != NULL)
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{
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X509_CRL *crl;
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for (i=0; i<sk_X509_CRL_num(crls); i++)
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{
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crl=sk_X509_CRL_value(crls,i);
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X509_CRL_print(out, crl);
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if(!noout)PEM_write_bio_X509_CRL(out,crl);
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BIO_puts(out,"\n");
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}
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}
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ret=0;
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goto end;
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}
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if(!noout) {
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if (outformat == FORMAT_ASN1)
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i=i2d_PKCS7_bio(out,p7);
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else if (outformat == FORMAT_PEM)
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i=PEM_write_bio_PKCS7(out,p7);
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else {
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BIO_printf(bio_err,"bad output format specified for outfile\n");
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goto end;
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}
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if (!i)
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{
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BIO_printf(bio_err,"unable to write pkcs7 object\n");
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ERR_print_errors(bio_err);
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goto end;
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}
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}
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ret=0;
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end:
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if (p7 != NULL) PKCS7_free(p7);
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if (in != NULL) BIO_free(in);
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if (out != NULL) BIO_free_all(out);
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apps_shutdown();
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OPENSSL_EXIT(ret);
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}
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