[331] | 1 | /*
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| 2 | * Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved.
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| 3 | *
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| 4 | * Licensed under the OpenSSL license (the "License"). You may not use
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| 5 | * this file except in compliance with the License. You can obtain a copy
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| 6 | * in the file LICENSE in the source distribution or at
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| 7 | * https://www.openssl.org/source/license.html
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| 8 | */
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| 9 |
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| 10 | #include <stdio.h>
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| 11 | #include <string.h>
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| 12 | #include "apps.h"
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| 13 | #include <openssl/pem.h>
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| 14 | #include <openssl/err.h>
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| 15 | #include <openssl/evp.h>
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| 16 |
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| 17 | typedef enum OPTION_choice {
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| 18 | OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
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| 19 | OPT_IN, OPT_OUT, OPT_TEXT, OPT_NOOUT, OPT_ENGINE
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| 20 | } OPTION_CHOICE;
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| 21 |
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| 22 | OPTIONS pkeyparam_options[] = {
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| 23 | {"help", OPT_HELP, '-', "Display this summary"},
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| 24 | {"in", OPT_IN, '<', "Input file"},
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| 25 | {"out", OPT_OUT, '>', "Output file"},
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| 26 | {"text", OPT_TEXT, '-', "Print parameters as text"},
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| 27 | {"noout", OPT_NOOUT, '-', "Don't output encoded parameters"},
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| 28 | #ifndef OPENSSL_NO_ENGINE
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| 29 | {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
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| 30 | #endif
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| 31 | {NULL}
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| 32 | };
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| 33 |
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| 34 | int pkeyparam_main(int argc, char **argv)
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| 35 | {
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| 36 | ENGINE *e = NULL;
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| 37 | BIO *in = NULL, *out = NULL;
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| 38 | EVP_PKEY *pkey = NULL;
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| 39 | int text = 0, noout = 0, ret = 1;
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| 40 | OPTION_CHOICE o;
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| 41 | char *infile = NULL, *outfile = NULL, *prog;
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| 42 |
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| 43 | prog = opt_init(argc, argv, pkeyparam_options);
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| 44 | while ((o = opt_next()) != OPT_EOF) {
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| 45 | switch (o) {
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| 46 | case OPT_EOF:
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| 47 | case OPT_ERR:
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| 48 | opthelp:
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| 49 | BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
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| 50 | goto end;
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| 51 | case OPT_HELP:
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| 52 | opt_help(pkeyparam_options);
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| 53 | ret = 0;
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| 54 | goto end;
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| 55 | case OPT_IN:
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| 56 | infile = opt_arg();
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| 57 | break;
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| 58 | case OPT_OUT:
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| 59 | outfile = opt_arg();
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| 60 | break;
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| 61 | case OPT_ENGINE:
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| 62 | e = setup_engine(opt_arg(), 0);
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| 63 | break;
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| 64 | case OPT_TEXT:
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| 65 | text = 1;
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| 66 | break;
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| 67 | case OPT_NOOUT:
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| 68 | noout = 1;
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| 69 | break;
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| 70 | }
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| 71 | }
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| 72 | argc = opt_num_rest();
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| 73 | if (argc != 0)
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| 74 | goto opthelp;
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| 75 |
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| 76 | in = bio_open_default(infile, 'r', FORMAT_PEM);
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| 77 | if (in == NULL)
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| 78 | goto end;
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| 79 | out = bio_open_default(outfile, 'w', FORMAT_PEM);
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| 80 | if (out == NULL)
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| 81 | goto end;
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| 82 | pkey = PEM_read_bio_Parameters(in, NULL);
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| 83 | if (!pkey) {
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| 84 | BIO_printf(bio_err, "Error reading parameters\n");
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| 85 | ERR_print_errors(bio_err);
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| 86 | goto end;
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| 87 | }
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| 88 |
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| 89 | if (!noout)
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| 90 | PEM_write_bio_Parameters(out, pkey);
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| 91 |
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| 92 | if (text)
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| 93 | EVP_PKEY_print_params(out, pkey, 0, NULL);
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| 94 |
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| 95 | ret = 0;
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| 96 |
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| 97 | end:
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| 98 | EVP_PKEY_free(pkey);
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| 99 | release_engine(e);
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| 100 | BIO_free_all(out);
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| 101 | BIO_free(in);
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| 102 |
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| 103 | return ret;
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| 104 | }
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