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https://github.com/guanzhi/GmSSL.git
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Update Tools
This commit is contained in:
Zhi Guan
246
tools/cmssign.c
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246
tools/cmssign.c
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/*
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* Copyright (c) 2021 - 2021 The GmSSL Project. All rights reserved.
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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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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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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
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the GmSSL Project.
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* (http://gmssl.org/)"
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*
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* 4. The name "GmSSL Project" must not be used to endorse or promote
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* products derived from this software without prior written
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* permission. For written permission, please contact
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* guanzhi1980@gmail.com.
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*
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* 5. Products derived from this software may not be called "GmSSL"
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* nor may "GmSSL" appear in their names without prior written
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* permission of the GmSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the GmSSL Project
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* (http://gmssl.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE GmSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE GmSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include <errno.h>
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#include <string.h>
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#include <stdlib.h>
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#include <sys/stat.h>
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#include <gmssl/x509.h>
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#include <gmssl/cms.h>
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#include <gmssl/error.h>
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/*
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302 typedef struct {
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303 uint8_t *certs;
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304 size_t certs_len;
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305 SM2_KEY *sign_key;
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306 } CMS_CERTS_AND_KEY;
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输出长度主要由输入长度和
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*/
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static const char *options = "-key file -pass str -cert file -in file [-out file]";
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int cmssign_main(int argc, char **argv)
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{
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int ret = 1;
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char *prog = argv[0];
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char *keyfile = NULL;
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char *pass = NULL;
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char *certfile = NULL;
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char *infile = NULL;
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char *outfile = NULL;
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FILE *keyfp = NULL;
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FILE *certfp = NULL;
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FILE *infp = NULL;
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FILE *outfp = stdout;
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SM2_KEY key;
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uint8_t cert[1024];
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size_t certlen;
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struct stat st;
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uint8_t *in = NULL;
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size_t inlen;
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uint8_t *cms = NULL;
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size_t cmslen, cms_maxlen;
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CMS_CERTS_AND_KEY cert_and_key;
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int content_type;
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uint8_t *content = NULL;
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size_t content_len;
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const uint8_t *rcpt_infos;
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size_t rcpt_infos_len;
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const uint8_t *shared_info1;
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const uint8_t *shared_info2;
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size_t shared_info1_len, shared_info2_len;
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argc--;
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argv++;
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if (argc < 1) {
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fprintf(stderr, "usage: %s %s\n", prog, options);
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return 1;
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}
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while (argc > 1) {
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if (!strcmp(*argv, "-help")) {
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printf("usage: %s %s\n", prog, options);
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ret = 0;
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goto end;
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} else if (!strcmp(*argv, "-key")) {
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if (--argc < 1) goto bad;
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keyfile = *(++argv);
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if (!(keyfp = fopen(keyfile, "r"))) {
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fprintf(stderr, "%s: open '%s' failure : %s\n", prog, keyfile, strerror(errno));
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goto end;
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}
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} else if (!strcmp(*argv, "-pass")) {
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if (--argc < 1) goto bad;
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pass = *(++argv);
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} else if (!strcmp(*argv, "-cert")) {
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if (--argc < 1) goto bad;
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certfile = *(++argv);
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if (!(certfp = fopen(certfile, "r"))) {
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fprintf(stderr, "%s: open '%s' failure : %s\n", prog, certfile, strerror(errno));
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goto end;
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}
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} else if (!strcmp(*argv, "-in")) {
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if (--argc < 1) goto bad;
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infile = *(++argv);
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if (!(infp = fopen(infile, "r"))) {
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fprintf(stderr, "%s: open '%s' failure : %s\n", prog, infile, strerror(errno));
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goto end;
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}
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} else if (!strcmp(*argv, "-out")) {
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if (--argc < 1) goto bad;
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outfile = *(++argv);
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if (!(outfp = fopen(outfile, "w"))) {
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fprintf(stderr, "%s: open '%s' failure : %s\n", prog, outfile, strerror(errno));
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goto end;
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}
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} else {
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fprintf(stderr, "%s: illegal option '%s'\n", prog, *argv);
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goto end;
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bad:
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fprintf(stderr, "%s: '%s' option value missing\n", prog, *argv);
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goto end;
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}
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argc--;
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argv++;
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}
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if (!keyfile) {
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fprintf(stderr, "%s: '-key' option required\n", prog);
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goto end;
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}
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if (!pass) {
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fprintf(stderr, "%s: '-pass' option required\n", prog);
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goto end;
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}
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if (!certfile) {
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fprintf(stderr, "%s: '-cert' option required\n", prog);
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goto end;
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}
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if (!infile) {
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fprintf(stderr, "%s: '-in' option required\n", prog);
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goto end;
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}
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if (sm2_private_key_info_decrypt_from_pem(&key, pass, keyfp) != 1) {
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fprintf(stderr, "%s: private key decryption failure\n", prog);
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goto end;
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}
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if (x509_cert_from_pem(cert, &certlen, sizeof(cert), certfp) != 1) {
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fprintf(stderr, "%s: load certificate failure\n", prog);
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goto end;
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}
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{
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SM2_KEY public_key;
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if (x509_cert_get_subject_public_key(cert, certlen, &public_key) != 1) {
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fprintf(stderr, "%s: parse certficate failure\n", prog);
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goto end;
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}
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if (sm2_public_key_equ(&key, &public_key) != 1) {
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fprintf(stderr, "%s: key and cert are not match!\n", prog);
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goto end;
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}
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}
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cert_and_key.certs = cert;
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cert_and_key.certs_len = certlen;
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cert_and_key.sign_key = &key;
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if (fstat(fileno(infp), &st) < 0) {
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fprintf(stderr, "%s: access file error : %s\n", prog, strerror(errno));
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goto end;
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}
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if ((inlen = st.st_size) <= 0) {
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fprintf(stderr, "%s: invalid input length\n", prog);
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goto end;
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}
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if (!(in = malloc(inlen))) {
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fprintf(stderr, "%s: malloc failure\n", prog);
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goto end;
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}
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if (fread(in, 1, inlen, infp) != inlen) {
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fprintf(stderr, "%s: read file error : %s\n", prog, strerror(errno));
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goto end;
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}
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cms_maxlen = (inlen * 4)/3 + 4096; // 主要由SignerInfos，其中的DN长度决定
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if (!(cms = malloc(cms_maxlen))) {
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fprintf(stderr, "%s: malloc failure\n", prog);
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goto end;
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}
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if (cms_sign(cms, &cmslen, &cert_and_key, 1, OID_cms_data, in, inlen, NULL, 0) != 1) {
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fprintf(stderr, "%s: sign failure\n", prog);
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goto end;
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}
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if (cms_to_pem(cms, cmslen, outfp) != 1) {
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fprintf(stderr, "%s: output failure\n", prog);
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goto end;
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}
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ret = 0;
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end:
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if (infile && infp) fclose(infp);
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if (outfile && outfp) fclose(outfp);
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if (keyfile && keyfp) fclose(keyfp);
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if (cms) free(cms);
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if (in) free(in);
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return ret;
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}
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