mirror of
https://github.com/openssl/openssl.git
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021410ea3f
Make sure all commands check to see if there are any "extra" arguments after the options, and print an error if so. Made all error messages consistent (which is to say, minimal). Fixes: #13527 Reviewed-by: Shane Lontis <shane.lontis@oracle.com> Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org> (Merged from https://github.com/openssl/openssl/pull/13563)
283 lines
7.7 KiB
C
283 lines
7.7 KiB
C
/*
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* Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "apps.h"
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#include "progs.h"
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#include <openssl/err.h>
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#include <openssl/ssl.h>
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typedef enum OPTION_choice {
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OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
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OPT_STDNAME,
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OPT_CONVERT,
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OPT_SSL3,
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OPT_TLS1,
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OPT_TLS1_1,
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OPT_TLS1_2,
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OPT_TLS1_3,
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OPT_PSK,
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OPT_SRP,
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OPT_CIPHERSUITES,
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OPT_V, OPT_UPPER_V, OPT_S, OPT_PROV_ENUM
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} OPTION_CHOICE;
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const OPTIONS ciphers_options[] = {
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{OPT_HELP_STR, 1, '-', "Usage: %s [options] [cipher]\n"},
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OPT_SECTION("General"),
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{"help", OPT_HELP, '-', "Display this summary"},
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OPT_SECTION("Output"),
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{"v", OPT_V, '-', "Verbose listing of the SSL/TLS ciphers"},
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{"V", OPT_UPPER_V, '-', "Even more verbose"},
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{"stdname", OPT_STDNAME, '-', "Show standard cipher names"},
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{"convert", OPT_CONVERT, 's', "Convert standard name into OpenSSL name"},
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OPT_SECTION("Cipher specification"),
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{"s", OPT_S, '-', "Only supported ciphers"},
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#ifndef OPENSSL_NO_SSL3
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{"ssl3", OPT_SSL3, '-', "Ciphers compatible with SSL3"},
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#endif
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#ifndef OPENSSL_NO_TLS1
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{"tls1", OPT_TLS1, '-', "Ciphers compatible with TLS1"},
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#endif
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#ifndef OPENSSL_NO_TLS1_1
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{"tls1_1", OPT_TLS1_1, '-', "Ciphers compatible with TLS1.1"},
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#endif
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#ifndef OPENSSL_NO_TLS1_2
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{"tls1_2", OPT_TLS1_2, '-', "Ciphers compatible with TLS1.2"},
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#endif
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#ifndef OPENSSL_NO_TLS1_3
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{"tls1_3", OPT_TLS1_3, '-', "Ciphers compatible with TLS1.3"},
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#endif
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#ifndef OPENSSL_NO_PSK
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{"psk", OPT_PSK, '-', "Include ciphersuites requiring PSK"},
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#endif
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#ifndef OPENSSL_NO_SRP
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{"srp", OPT_SRP, '-', "Include ciphersuites requiring SRP"},
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#endif
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{"ciphersuites", OPT_CIPHERSUITES, 's',
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"Configure the TLSv1.3 ciphersuites to use"},
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OPT_PROV_OPTIONS,
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OPT_PARAMETERS(),
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{"cipher", 0, 0, "Cipher string to decode (optional)"},
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{NULL}
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};
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#ifndef OPENSSL_NO_PSK
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static unsigned int dummy_psk(SSL *ssl, const char *hint, char *identity,
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unsigned int max_identity_len,
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unsigned char *psk,
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unsigned int max_psk_len)
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{
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return 0;
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}
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#endif
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#ifndef OPENSSL_NO_SRP
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static char *dummy_srp(SSL *ssl, void *arg)
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{
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return "";
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}
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#endif
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int ciphers_main(int argc, char **argv)
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{
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SSL_CTX *ctx = NULL;
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SSL *ssl = NULL;
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STACK_OF(SSL_CIPHER) *sk = NULL;
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const SSL_METHOD *meth = TLS_server_method();
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int ret = 1, i, verbose = 0, Verbose = 0, use_supported = 0;
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int stdname = 0;
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#ifndef OPENSSL_NO_PSK
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int psk = 0;
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#endif
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#ifndef OPENSSL_NO_SRP
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int srp = 0;
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#endif
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const char *p;
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char *ciphers = NULL, *prog, *convert = NULL, *ciphersuites = NULL;
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char buf[512];
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OPTION_CHOICE o;
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int min_version = 0, max_version = 0;
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prog = opt_init(argc, argv, ciphers_options);
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while ((o = opt_next()) != OPT_EOF) {
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switch (o) {
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case OPT_EOF:
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case OPT_ERR:
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opthelp:
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BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
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goto end;
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case OPT_HELP:
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opt_help(ciphers_options);
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ret = 0;
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goto end;
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case OPT_V:
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verbose = 1;
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break;
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case OPT_UPPER_V:
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verbose = Verbose = 1;
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break;
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case OPT_S:
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use_supported = 1;
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break;
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case OPT_STDNAME:
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stdname = verbose = 1;
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break;
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case OPT_CONVERT:
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convert = opt_arg();
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break;
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case OPT_SSL3:
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min_version = SSL3_VERSION;
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max_version = SSL3_VERSION;
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break;
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case OPT_TLS1:
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min_version = TLS1_VERSION;
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max_version = TLS1_VERSION;
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break;
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case OPT_TLS1_1:
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min_version = TLS1_1_VERSION;
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max_version = TLS1_1_VERSION;
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break;
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case OPT_TLS1_2:
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min_version = TLS1_2_VERSION;
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max_version = TLS1_2_VERSION;
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break;
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case OPT_TLS1_3:
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min_version = TLS1_3_VERSION;
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max_version = TLS1_3_VERSION;
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break;
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case OPT_PSK:
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#ifndef OPENSSL_NO_PSK
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psk = 1;
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#endif
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break;
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case OPT_SRP:
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#ifndef OPENSSL_NO_SRP
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srp = 1;
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#endif
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break;
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case OPT_CIPHERSUITES:
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ciphersuites = opt_arg();
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break;
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case OPT_PROV_CASES:
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if (!opt_provider(o))
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goto end;
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break;
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}
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}
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/* Optional arg is cipher name. */
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argv = opt_rest();
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argc = opt_num_rest();
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if (argc == 1)
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ciphers = argv[0];
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else if (argc != 0)
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goto opthelp;
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if (convert != NULL) {
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BIO_printf(bio_out, "OpenSSL cipher name: %s\n",
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OPENSSL_cipher_name(convert));
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goto end;
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}
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ctx = SSL_CTX_new(meth);
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if (ctx == NULL)
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goto err;
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if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
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goto err;
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if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
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goto err;
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#ifndef OPENSSL_NO_PSK
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if (psk)
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SSL_CTX_set_psk_client_callback(ctx, dummy_psk);
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#endif
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#ifndef OPENSSL_NO_SRP
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if (srp)
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SSL_CTX_set_srp_client_pwd_callback(ctx, dummy_srp);
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#endif
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if (ciphersuites != NULL && !SSL_CTX_set_ciphersuites(ctx, ciphersuites)) {
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BIO_printf(bio_err, "Error setting TLSv1.3 ciphersuites\n");
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goto err;
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}
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if (ciphers != NULL) {
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if (!SSL_CTX_set_cipher_list(ctx, ciphers)) {
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BIO_printf(bio_err, "Error in cipher list\n");
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goto err;
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}
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}
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ssl = SSL_new(ctx);
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if (ssl == NULL)
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goto err;
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if (use_supported)
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sk = SSL_get1_supported_ciphers(ssl);
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else
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sk = SSL_get_ciphers(ssl);
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if (!verbose) {
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for (i = 0; i < sk_SSL_CIPHER_num(sk); i++) {
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const SSL_CIPHER *c = sk_SSL_CIPHER_value(sk, i);
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p = SSL_CIPHER_get_name(c);
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if (p == NULL)
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break;
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if (i != 0)
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BIO_printf(bio_out, ":");
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BIO_printf(bio_out, "%s", p);
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}
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BIO_printf(bio_out, "\n");
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} else {
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for (i = 0; i < sk_SSL_CIPHER_num(sk); i++) {
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const SSL_CIPHER *c;
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c = sk_SSL_CIPHER_value(sk, i);
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if (Verbose) {
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unsigned long id = SSL_CIPHER_get_id(c);
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int id0 = (int)(id >> 24);
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int id1 = (int)((id >> 16) & 0xffL);
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int id2 = (int)((id >> 8) & 0xffL);
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int id3 = (int)(id & 0xffL);
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if ((id & 0xff000000L) == 0x03000000L)
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BIO_printf(bio_out, " 0x%02X,0x%02X - ", id2, id3); /* SSL3
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* cipher */
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else
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BIO_printf(bio_out, "0x%02X,0x%02X,0x%02X,0x%02X - ", id0, id1, id2, id3); /* whatever */
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}
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if (stdname) {
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const char *nm = SSL_CIPHER_standard_name(c);
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if (nm == NULL)
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nm = "UNKNOWN";
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BIO_printf(bio_out, "%-45s - ", nm);
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}
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BIO_puts(bio_out, SSL_CIPHER_description(c, buf, sizeof(buf)));
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}
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}
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ret = 0;
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goto end;
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err:
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ERR_print_errors(bio_err);
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end:
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if (use_supported)
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sk_SSL_CIPHER_free(sk);
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SSL_CTX_free(ctx);
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SSL_free(ssl);
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return ret;
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}
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