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IABSD.fr/src/usr.bin/openssl/pkcs7.c
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- usr.bin/openssl/pkcs7.c
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/* $OpenBSD: pkcs7.c,v 1.15 2023/07/23 11:39:29 tb Exp $ */ /* 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 <time.h> #include "apps.h" #include <openssl/err.h> #include <openssl/evp.h> #include <openssl/objects.h> #include <openssl/pem.h> #include <openssl/pkcs7.h> #include <openssl/x509.h> static struct { char *infile; int informat; int noout; char *outfile; int outformat; int p7_print; int print_certs; int text; } cfg; static const struct option pkcs7_options[] = { { .name = "in", .argname = "file", .desc = "Input file (default stdin)", .type = OPTION_ARG, .opt.arg = &cfg.infile, }, { .name = "inform", .argname = "format", .desc = "Input format (DER or PEM (default))", .type = OPTION_ARG_FORMAT, .opt.value = &cfg.informat, }, { .name = "noout", .desc = "Do not output encoded version of PKCS#7 structure", .type = OPTION_FLAG, .opt.flag = &cfg.noout, }, { .name = "out", .argname = "file", .desc = "Output file (default stdout)", .type = OPTION_ARG, .opt.arg = &cfg.outfile, }, { .name = "outform", .argname = "format", .desc = "Output format (DER or PEM (default))", .type = OPTION_ARG_FORMAT, .opt.value = &cfg.outformat, }, { .name = "print", .desc = "Output ASN.1 representation of PKCS#7 structure", .type = OPTION_FLAG, .opt.flag = &cfg.p7_print, }, { .name = "print_certs", .desc = "Print out any certificates or CRLs contained in file", .type = OPTION_FLAG, .opt.flag = &cfg.print_certs, }, { .name = "text", .desc = "Print out full certificate details", .type = OPTION_FLAG, .opt.flag = &cfg.text, }, { NULL }, }; static void pkcs7_usage(void) { fprintf(stderr, "usage: pkcs7 [-in file] " "[-inform DER | PEM] [-noout]\n" " [-out file] [-outform DER | PEM] [-print_certs] [-text]\n\n"); options_usage(pkcs7_options); } int pkcs7_main(int argc, char **argv) { PKCS7 *p7 = NULL; BIO *in = NULL, *out = NULL; int ret = 1; int i; if (pledge("stdio cpath wpath rpath", NULL) == -1) { perror("pledge"); exit(1); } memset(&cfg, 0, sizeof(cfg)); cfg.informat = FORMAT_PEM; cfg.outformat = FORMAT_PEM; if (options_parse(argc, argv, pkcs7_options, NULL, NULL) != 0) { pkcs7_usage(); 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 (cfg.infile == NULL) BIO_set_fp(in, stdin, BIO_NOCLOSE); else { if (BIO_read_filename(in, cfg.infile) <= 0) { perror(cfg.infile); goto end; } } if (cfg.informat == FORMAT_ASN1) p7 = d2i_PKCS7_bio(in, NULL); else if (cfg.informat == FORMAT_PEM) p7 = PEM_read_bio_PKCS7(in, NULL, NULL, NULL); else { BIO_printf(bio_err, "bad input format specified for pkcs7 object\n"); goto end; } if (p7 == NULL) { BIO_printf(bio_err, "unable to load PKCS7 object\n"); ERR_print_errors(bio_err); goto end; } if (cfg.outfile == NULL) { BIO_set_fp(out, stdout, BIO_NOCLOSE); } else { if (BIO_write_filename(out, cfg.outfile) <= 0) { perror(cfg.outfile); goto end; } } if (cfg.p7_print) PKCS7_print_ctx(out, p7, 0, NULL); if (cfg.print_certs) { STACK_OF(X509) * certs = NULL; STACK_OF(X509_CRL) * crls = NULL; i = OBJ_obj2nid(p7->type); switch (i) { case NID_pkcs7_signed: if (p7->d.sign != NULL) { certs = p7->d.sign->cert; crls = p7->d.sign->crl; } break; case NID_pkcs7_signedAndEnveloped: if (p7->d.signed_and_enveloped != NULL) { certs = p7->d.signed_and_enveloped->cert; crls = p7->d.signed_and_enveloped->crl; } break; default: break; } if (certs != NULL) { X509 *x; for (i = 0; i < sk_X509_num(certs); i++) { x = sk_X509_value(certs, i); if (cfg.text) X509_print(out, x); else dump_cert_text(out, x); if (!cfg.noout) PEM_write_bio_X509(out, x); BIO_puts(out, "\n"); } } if (crls != NULL) { X509_CRL *crl; for (i = 0; i < sk_X509_CRL_num(crls); i++) { crl = sk_X509_CRL_value(crls, i); X509_CRL_print(out, crl); if (!cfg.noout) PEM_write_bio_X509_CRL(out, crl); BIO_puts(out, "\n"); } } ret = 0; goto end; } if (!cfg.noout) { if (cfg.outformat == FORMAT_ASN1) i = i2d_PKCS7_bio(out, p7); else if (cfg.outformat == FORMAT_PEM) i = PEM_write_bio_PKCS7(out, p7); else { BIO_printf(bio_err, "bad output format specified for outfile\n"); goto end; } if (!i) { BIO_printf(bio_err, "unable to write pkcs7 object\n"); ERR_print_errors(bio_err); goto end; } } ret = 0; end: if (p7 != NULL) PKCS7_free(p7); if (in != NULL) BIO_free(in); if (out != NULL) BIO_free_all(out); return (ret); }