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openssl/apps/pkey.c
Tomas Mraz d382e79632 Make the -inform option to be respected if possible 
Add OSSL_STORE_PARAM_INPUT_TYPE and make it possible to be
set when OSSL_STORE_open_ex() or OSSL_STORE_attach() is called.

The input type format is enforced only in case the file
type file store is used.

By default we use FORMAT_UNDEF meaning the input type
is not enforced.

Fixes #14569

Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/15100)
2021-05-06 11:43:32 +01:00

330 lines
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/*
* Copyright 2006-2021 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 "ec_common.h"
#include <openssl/pem.h>
#include <openssl/err.h>
#include <openssl/evp.h>
#include <openssl/core_names.h>
typedef enum OPTION_choice {
OPT_COMMON,
OPT_INFORM, OPT_OUTFORM, OPT_PASSIN, OPT_PASSOUT, OPT_ENGINE,
OPT_IN, OPT_OUT, OPT_PUBIN, OPT_PUBOUT, OPT_TEXT_PUB,
OPT_TEXT, OPT_NOOUT, OPT_CIPHER, OPT_TRADITIONAL, OPT_CHECK, OPT_PUB_CHECK,
OPT_EC_PARAM_ENC, OPT_EC_CONV_FORM,
OPT_PROV_ENUM
} OPTION_CHOICE;
const OPTIONS pkey_options[] = {
OPT_SECTION("General"),
{"help", OPT_HELP, '-', "Display this summary"},
#ifndef OPENSSL_NO_ENGINE
{"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
#endif
OPT_PROV_OPTIONS,
{"check", OPT_CHECK, '-', "Check key consistency"},
{"pubcheck", OPT_PUB_CHECK, '-', "Check public key consistency"},
OPT_SECTION("Input"),
{"in", OPT_IN, 's', "Input key"},
{"inform", OPT_INFORM, 'f',
"Key input format (ENGINE, other values ignored)"},
{"passin", OPT_PASSIN, 's', "Key input pass phrase source"},
{"pubin", OPT_PUBIN, '-',
"Read only public components from key input"},
OPT_SECTION("Output"),
{"out", OPT_OUT, '>', "Output file for encoded and/or text output"},
{"outform", OPT_OUTFORM, 'F', "Output encoding format (DER or PEM)"},
{"", OPT_CIPHER, '-', "Any supported cipher to be used for encryption"},
{"passout", OPT_PASSOUT, 's', "Output PEM file pass phrase source"},
{"traditional", OPT_TRADITIONAL, '-',
"Use traditional format for private key PEM output"},
{"pubout", OPT_PUBOUT, '-', "Restrict encoded output to public components"},
{"noout", OPT_NOOUT, '-', "Do not output the key in encoded form"},
{"text", OPT_TEXT, '-', "Output key components in plaintext"},
{"text_pub", OPT_TEXT_PUB, '-',
"Output only public key components in text form"},
{"ec_conv_form", OPT_EC_CONV_FORM, 's',
"Specifies the EC point conversion form in the encoding"},
{"ec_param_enc", OPT_EC_PARAM_ENC, 's',
"Specifies the way the EC parameters are encoded"},
{NULL}
};
int pkey_main(int argc, char **argv)
{
BIO *in = NULL, *out = NULL;
ENGINE *e = NULL;
EVP_PKEY *pkey = NULL;
EVP_PKEY_CTX *ctx = NULL;
EVP_CIPHER *cipher = NULL;
char *infile = NULL, *outfile = NULL, *passin = NULL, *passout = NULL;
char *passinarg = NULL, *passoutarg = NULL, *ciphername = NULL, *prog;
OPTION_CHOICE o;
int informat = FORMAT_UNDEF, outformat = FORMAT_PEM;
int pubin = 0, pubout = 0, text_pub = 0, text = 0, noout = 0, ret = 1;
int private = 0, traditional = 0, check = 0, pub_check = 0;
#ifndef OPENSSL_NO_EC
char *asn1_encoding = NULL;
char *point_format = NULL;
#endif
prog = opt_init(argc, argv, pkey_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:
opt_help(pkey_options);
ret = 0;
goto end;
case OPT_INFORM:
if (!opt_format(opt_arg(), OPT_FMT_ANY, &informat))
goto opthelp;
break;
case OPT_OUTFORM:
if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat))
goto opthelp;
break;
case OPT_PASSIN:
passinarg = opt_arg();
break;
case OPT_PASSOUT:
passoutarg = opt_arg();
break;
case OPT_ENGINE:
e = setup_engine(opt_arg(), 0);
break;
case OPT_IN:
infile = opt_arg();
break;
case OPT_OUT:
outfile = opt_arg();
break;
case OPT_PUBIN:
pubin = pubout = 1;
break;
case OPT_PUBOUT:
pubout = 1;
break;
case OPT_TEXT_PUB:
text_pub = 1;
break;
case OPT_TEXT:
text = 1;
break;
case OPT_NOOUT:
noout = 1;
break;
case OPT_TRADITIONAL:
traditional = 1;
break;
case OPT_CHECK:
check = 1;
break;
case OPT_PUB_CHECK:
pub_check = 1;
break;
case OPT_CIPHER:
ciphername = opt_unknown();
break;
case OPT_EC_CONV_FORM:
#ifdef OPENSSL_NO_EC
goto opthelp;
#else
point_format = opt_arg();
if (!opt_string(point_format, point_format_options))
goto opthelp;
break;
#endif
case OPT_EC_PARAM_ENC:
#ifdef OPENSSL_NO_EC
goto opthelp;
#else
asn1_encoding = opt_arg();
if (!opt_string(asn1_encoding, asn1_encoding_options))
goto opthelp;
break;
#endif
case OPT_PROV_CASES:
if (!opt_provider(o))
goto end;
break;
}
}
/* No extra arguments. */
argc = opt_num_rest();
if (argc != 0)
goto opthelp;
if (noout && pubout)
BIO_printf(bio_err,
"Warning: The -pubout option is ignored with -noout\n");
if (text && text_pub)
BIO_printf(bio_err,
"Warning: The -text option is ignored with -text_pub\n");
if (traditional && (noout || outformat != FORMAT_PEM))
BIO_printf(bio_err,
"Warning: The -traditional is ignored since there is no PEM output\n");
private = (!noout && !pubout) || (text && !text_pub);
if (ciphername != NULL) {
if (!opt_cipher(ciphername, &cipher))
goto opthelp;
}
if (cipher == NULL) {
if (passoutarg != NULL)
BIO_printf(bio_err,
"Warning: The -passout option is ignored without a cipher option\n");
} else {
if (noout || outformat != FORMAT_PEM) {
BIO_printf(bio_err,
"Error: Cipher options are supported only for PEM output\n");
goto end;
}
}
if (!app_passwd(passinarg, passoutarg, &passin, &passout)) {
BIO_printf(bio_err, "Error getting passwords\n");
goto end;
}
out = bio_open_owner(outfile, outformat, private);
if (out == NULL)
goto end;
if (pubin)
pkey = load_pubkey(infile, informat, 1, passin, e, "Public Key");
else
pkey = load_key(infile, informat, 1, passin, e, "key");
if (pkey == NULL)
goto end;
#ifndef OPENSSL_NO_EC
if (asn1_encoding != NULL || point_format != NULL) {
OSSL_PARAM params[3], *p = params;
if (!EVP_PKEY_is_a(pkey, "EC"))
goto end;
if (asn1_encoding != NULL)
*p++ = OSSL_PARAM_construct_utf8_string(OSSL_PKEY_PARAM_EC_ENCODING,
asn1_encoding, 0);
if (point_format != NULL)
*p++ = OSSL_PARAM_construct_utf8_string(
OSSL_PKEY_PARAM_EC_POINT_CONVERSION_FORMAT,
point_format, 0);
*p = OSSL_PARAM_construct_end();
if (EVP_PKEY_set_params(pkey, params) <= 0)
goto end;
}
#endif
if (check || pub_check) {
int r;
ctx = EVP_PKEY_CTX_new(pkey, e);
if (ctx == NULL) {
ERR_print_errors(bio_err);
goto end;
}
if (check)
r = EVP_PKEY_check(ctx);
else
r = EVP_PKEY_public_check(ctx);
if (r == 1) {
BIO_printf(out, "Key is valid\n");
} else {
/*
* Note: at least for RSA keys if this function returns
* -1, there will be no error reasons.
*/
BIO_printf(bio_err, "Key is invalid\n");
ERR_print_errors(bio_err);
goto end;
}
}
if (!noout) {
if (outformat == FORMAT_PEM) {
if (pubout) {
if (!PEM_write_bio_PUBKEY(out, pkey))
goto end;
} else {
assert(private);
if (traditional) {
if (!PEM_write_bio_PrivateKey_traditional(out, pkey, cipher,
NULL, 0, NULL,
passout))
goto end;
} else {
if (!PEM_write_bio_PrivateKey(out, pkey, cipher,
NULL, 0, NULL, passout))
goto end;
}
}
} else if (outformat == FORMAT_ASN1) {
if (text || text_pub) {
BIO_printf(bio_err,
"Error: Text output cannot be combined with DER output\n");
goto end;
}
if (pubout) {
if (!i2d_PUBKEY_bio(out, pkey))
goto end;
} else {
assert(private);
if (!i2d_PrivateKey_bio(out, pkey))
goto end;
}
} else {
BIO_printf(bio_err, "Bad format specified for key\n");
goto end;
}
}
if (text_pub) {
if (EVP_PKEY_print_public(out, pkey, 0, NULL) <= 0)
goto end;
} else if (text) {
assert(private);
if (EVP_PKEY_print_private(out, pkey, 0, NULL) <= 0)
goto end;
}
ret = 0;
end:
if (ret != 0)
ERR_print_errors(bio_err);
EVP_PKEY_CTX_free(ctx);
EVP_PKEY_free(pkey);
EVP_CIPHER_free(cipher);
release_engine(e);
BIO_free_all(out);
BIO_free(in);
OPENSSL_free(passin);
OPENSSL_free(passout);
return ret;
}
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