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/*
* Copyright 1999-2020 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <stdio.h>
#include <string.h>
#include "apps.h"
#include "progs.h"
#include <openssl/pem.h>
#include <openssl/err.h>
typedef enum OPTION_choice {
OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
OPT_TOSEQ, OPT_IN, OPT_OUT,
OPT_PROV_ENUM
} OPTION_CHOICE;
const OPTIONS nseq_options[] = {
OPT_SECTION("General"),
{"help", OPT_HELP, '-', "Display this summary"},
OPT_SECTION("Input"),
{"in", OPT_IN, '<', "Input file"},
OPT_SECTION("Output"),
{"toseq", OPT_TOSEQ, '-', "Output NS Sequence file"},
{"out", OPT_OUT, '>', "Output file"},
OPT_PROV_OPTIONS,
{NULL}
};
int nseq_main(int argc, char **argv)
{
BIO *in = NULL, *out = NULL;
X509 *x509 = NULL;
NETSCAPE_CERT_SEQUENCE *seq = NULL;
OPTION_CHOICE o;
int toseq = 0, ret = 1, i;
char *infile = NULL, *outfile = NULL, *prog;
prog = opt_init(argc, argv, nseq_options);
while ((o = opt_next()) != OPT_EOF) {
switch (o) {
case OPT_EOF:
case OPT_ERR:
opthelp:
BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
goto end;
case OPT_HELP:
ret = 0;
opt_help(nseq_options);
goto end;
case OPT_TOSEQ:
toseq = 1;
break;
case OPT_IN:
infile = opt_arg();
break;
case OPT_OUT:
outfile = opt_arg();
break;
case OPT_PROV_CASES:
if (!opt_provider(o))
goto end;
break;
}
}
/* No extra arguments. */
argc = opt_num_rest();
if (argc != 0)
goto opthelp;
in = bio_open_default(infile, 'r', FORMAT_PEM);
if (in == NULL)
goto end;
out = bio_open_default(outfile, 'w', FORMAT_PEM);
if (out == NULL)
goto end;
if (toseq) {
seq = NETSCAPE_CERT_SEQUENCE_new();
if (seq == NULL)
goto end;
seq->certs = sk_X509_new_null();
if (seq->certs == NULL)
goto end;
while ((x509 = PEM_read_bio_X509(in, NULL, NULL, NULL))) {
if (!sk_X509_push(seq->certs, x509))
goto end;
}
if (!sk_X509_num(seq->certs)) {
BIO_printf(bio_err, "%s: Error reading certs file %s\n",
prog, infile);
ERR_print_errors(bio_err);
goto end;
}
PEM_write_bio_NETSCAPE_CERT_SEQUENCE(out, seq);
ret = 0;
goto end;
}
seq = PEM_read_bio_NETSCAPE_CERT_SEQUENCE(in, NULL, NULL, NULL);
if (seq == NULL) {
BIO_printf(bio_err, "%s: Error reading sequence file %s\n",
prog, infile);
ERR_print_errors(bio_err);
goto end;
}
for (i = 0; i < sk_X509_num(seq->certs); i++) {
x509 = sk_X509_value(seq->certs, i);
dump_cert_text(out, x509);
PEM_write_bio_X509(out, x509);
}
ret = 0;
end:
BIO_free(in);
BIO_free_all(out);
NETSCAPE_CERT_SEQUENCE_free(seq);
return ret;
}
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