mirror of
https://github.com/guanzhi/GmSSL.git
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104 lines
2.3 KiB
C
104 lines
2.3 KiB
C
/*
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* Copyright 2014-2022 The GmSSL Project. All Rights Reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the License); you may
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* not use this file except in compliance with the License.
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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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 <gmssl/file.h>
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#include <gmssl/x509.h>
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#include <gmssl/x509_crl.h>
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static const char *options = "-in file [-out file]";
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int crlparse_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 *infile = NULL;
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char *outfile = NULL;
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FILE *infp = stdin;
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FILE *outfp = stdout;
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uint8_t *in = NULL;
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size_t inlen;
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const uint8_t *pin;
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const uint8_t *crl = NULL;
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size_t crllen;
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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 > 0) {
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if (!strcmp(*argv, "-help")) {
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printf("usage: %s %s\n", prog, options);
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goto end;
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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, "rb"))) {
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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, "wb"))) {
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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 (!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 (file_size(infp, &inlen) != 1) {
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fprintf(stderr, "%s: get input length failed\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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pin = in;
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if (x509_crl_from_der(&crl, &crllen, &pin, &inlen) != 1
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|| asn1_length_is_zero(inlen) != 1) {
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fprintf(stderr, "%s: read CRL failure\n", prog);
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goto end;
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}
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x509_crl_print(outfp, 0, 0, "CRL", crl, crllen);
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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 (in) free(in);
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return ret;
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}
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