diff options
Diffstat (limited to 'apps/ciphers.c')
| -rw-r--r-- | apps/ciphers.c | 357 |
1 files changed, 192 insertions, 165 deletions
diff --git a/apps/ciphers.c b/apps/ciphers.c index 4856141f6f2b..0bb33a4aca4b 100644 --- a/apps/ciphers.c +++ b/apps/ciphers.c @@ -1,164 +1,202 @@ -/* apps/ciphers.c */ -/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) - * All rights reserved. +/* + * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved. * - * This package is an SSL implementation written - * by Eric Young (eay@cryptsoft.com). - * The implementation was written so as to conform with Netscapes SSL. - * - * This library is free for commercial and non-commercial use as long as - * the following conditions are aheared to. The following conditions - * apply to all code found in this distribution, be it the RC4, RSA, - * lhash, DES, etc., code; not just the SSL code. The SSL documentation - * included with this distribution is covered by the same copyright terms - * except that the holder is Tim Hudson (tjh@cryptsoft.com). - * - * Copyright remains Eric Young's, and as such any Copyright notices in - * the code are not to be removed. - * If this package is used in a product, Eric Young should be given attribution - * as the author of the parts of the library used. - * This can be in the form of a textual message at program startup or - * in documentation (online or textual) provided with the package. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * "This product includes cryptographic software written by - * Eric Young (eay@cryptsoft.com)" - * The word 'cryptographic' can be left out if the rouines from the library - * being used are not cryptographic related :-). - * 4. If you include any Windows specific code (or a derivative thereof) from - * the apps directory (application code) you must include an acknowledgement: - * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" - * - * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * The licence and distribution terms for any publically available version or - * derivative of this code cannot be changed. i.e. this code cannot simply be - * copied and put under another distribution licence - * [including the GNU Public Licence.] + * Licensed under the OpenSSL license (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 <stdlib.h> #include <string.h> -#ifdef OPENSSL_NO_STDIO -# define APPS_WIN16 -#endif #include "apps.h" +#include "progs.h" #include <openssl/err.h> #include <openssl/ssl.h> -#undef PROG -#define PROG ciphers_main - -static const char *ciphers_usage[] = { - "usage: ciphers args\n", - " -v - verbose mode, a textual listing of the SSL/TLS ciphers in OpenSSL\n", - " -V - even more verbose\n", - " -ssl2 - SSL2 mode\n", - " -ssl3 - SSL3 mode\n", - " -tls1 - TLS1 mode\n", - NULL +typedef enum OPTION_choice { + OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, + OPT_STDNAME, + OPT_CONVERT, + OPT_SSL3, + OPT_TLS1, + OPT_TLS1_1, + OPT_TLS1_2, + OPT_TLS1_3, + OPT_PSK, + OPT_SRP, + OPT_CIPHERSUITES, + OPT_V, OPT_UPPER_V, OPT_S +} OPTION_CHOICE; + +const OPTIONS ciphers_options[] = { + {"help", OPT_HELP, '-', "Display this summary"}, + {"v", OPT_V, '-', "Verbose listing of the SSL/TLS ciphers"}, + {"V", OPT_UPPER_V, '-', "Even more verbose"}, + {"s", OPT_S, '-', "Only supported ciphers"}, +#ifndef OPENSSL_NO_SSL3 + {"ssl3", OPT_SSL3, '-', "SSL3 mode"}, +#endif +#ifndef OPENSSL_NO_TLS1 + {"tls1", OPT_TLS1, '-', "TLS1 mode"}, +#endif +#ifndef OPENSSL_NO_TLS1_1 + {"tls1_1", OPT_TLS1_1, '-', "TLS1.1 mode"}, +#endif +#ifndef OPENSSL_NO_TLS1_2 + {"tls1_2", OPT_TLS1_2, '-', "TLS1.2 mode"}, +#endif +#ifndef OPENSSL_NO_TLS1_3 + {"tls1_3", OPT_TLS1_3, '-', "TLS1.3 mode"}, +#endif + {"stdname", OPT_STDNAME, '-', "Show standard cipher names"}, +#ifndef OPENSSL_NO_PSK + {"psk", OPT_PSK, '-', "include ciphersuites requiring PSK"}, +#endif +#ifndef OPENSSL_NO_SRP + {"srp", OPT_SRP, '-', "include ciphersuites requiring SRP"}, +#endif + {"convert", OPT_CONVERT, 's', "Convert standard name into OpenSSL name"}, + {"ciphersuites", OPT_CIPHERSUITES, 's', + "Configure the TLSv1.3 ciphersuites to use"}, + {NULL} }; -int MAIN(int, char **); +#ifndef OPENSSL_NO_PSK +static unsigned int dummy_psk(SSL *ssl, const char *hint, char *identity, + unsigned int max_identity_len, + unsigned char *psk, + unsigned int max_psk_len) +{ + return 0; +} +#endif +#ifndef OPENSSL_NO_SRP +static char *dummy_srp(SSL *ssl, void *arg) +{ + return ""; +} +#endif -int MAIN(int argc, char **argv) +int ciphers_main(int argc, char **argv) { - int ret = 1, i; - int verbose = 0, Verbose = 0; -#ifndef OPENSSL_NO_SSL_TRACE + SSL_CTX *ctx = NULL; + SSL *ssl = NULL; + STACK_OF(SSL_CIPHER) *sk = NULL; + const SSL_METHOD *meth = TLS_server_method(); + int ret = 1, i, verbose = 0, Verbose = 0, use_supported = 0; int stdname = 0; +#ifndef OPENSSL_NO_PSK + int psk = 0; +#endif +#ifndef OPENSSL_NO_SRP + int srp = 0; #endif - const char **pp; const char *p; - int badops = 0; - SSL_CTX *ctx = NULL; - SSL *ssl = NULL; - char *ciphers = NULL; - const SSL_METHOD *meth = NULL; - STACK_OF(SSL_CIPHER) *sk; + char *ciphers = NULL, *prog, *convert = NULL, *ciphersuites = NULL; char buf[512]; - BIO *STDout = NULL; - - meth = SSLv23_server_method(); - - apps_startup(); - - if (bio_err == NULL) - bio_err = BIO_new_fp(stderr, BIO_NOCLOSE); - STDout = BIO_new_fp(stdout, BIO_NOCLOSE); -#ifdef OPENSSL_SYS_VMS - { - BIO *tmpbio = BIO_new(BIO_f_linebuffer()); - STDout = BIO_push(tmpbio, STDout); - } -#endif - if (!load_config(bio_err, NULL)) - goto end; + OPTION_CHOICE o; + int min_version = 0, max_version = 0; - argc--; - argv++; - while (argc >= 1) { - if (strcmp(*argv, "-v") == 0) + prog = opt_init(argc, argv, ciphers_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(ciphers_options); + ret = 0; + goto end; + case OPT_V: verbose = 1; - else if (strcmp(*argv, "-V") == 0) + break; + case OPT_UPPER_V: verbose = Verbose = 1; -#ifndef OPENSSL_NO_SSL_TRACE - else if (strcmp(*argv, "-stdname") == 0) + break; + case OPT_S: + use_supported = 1; + break; + case OPT_STDNAME: stdname = verbose = 1; + break; + case OPT_CONVERT: + convert = opt_arg(); + break; + case OPT_SSL3: + min_version = SSL3_VERSION; + max_version = SSL3_VERSION; + break; + case OPT_TLS1: + min_version = TLS1_VERSION; + max_version = TLS1_VERSION; + break; + case OPT_TLS1_1: + min_version = TLS1_1_VERSION; + max_version = TLS1_1_VERSION; + break; + case OPT_TLS1_2: + min_version = TLS1_2_VERSION; + max_version = TLS1_2_VERSION; + break; + case OPT_TLS1_3: + min_version = TLS1_3_VERSION; + max_version = TLS1_3_VERSION; + break; + case OPT_PSK: +#ifndef OPENSSL_NO_PSK + psk = 1; #endif -#ifndef OPENSSL_NO_SSL2 - else if (strcmp(*argv, "-ssl2") == 0) - meth = SSLv2_client_method(); -#endif -#ifndef OPENSSL_NO_SSL3 - else if (strcmp(*argv, "-ssl3") == 0) - meth = SSLv3_client_method(); -#endif -#ifndef OPENSSL_NO_TLS1 - else if (strcmp(*argv, "-tls1") == 0) - meth = TLSv1_client_method(); + break; + case OPT_SRP: +#ifndef OPENSSL_NO_SRP + srp = 1; #endif - else if ((strncmp(*argv, "-h", 2) == 0) || (strcmp(*argv, "-?") == 0)) { - badops = 1; break; - } else { - ciphers = *argv; + case OPT_CIPHERSUITES: + ciphersuites = opt_arg(); + break; } - argc--; - argv++; } + argv = opt_rest(); + argc = opt_num_rest(); - if (badops) { - for (pp = ciphers_usage; (*pp != NULL); pp++) - BIO_printf(bio_err, "%s", *pp); + if (argc == 1) + ciphers = *argv; + else if (argc != 0) + goto opthelp; + + if (convert != NULL) { + BIO_printf(bio_out, "OpenSSL cipher name: %s\n", + OPENSSL_cipher_name(convert)); goto end; } - OpenSSL_add_ssl_algorithms(); - ctx = SSL_CTX_new(meth); if (ctx == NULL) goto err; + if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0) + goto err; + if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0) + goto err; + +#ifndef OPENSSL_NO_PSK + if (psk) + SSL_CTX_set_psk_client_callback(ctx, dummy_psk); +#endif +#ifndef OPENSSL_NO_SRP + if (srp) + SSL_CTX_set_srp_client_pwd_callback(ctx, dummy_srp); +#endif + + if (ciphersuites != NULL && !SSL_CTX_set_ciphersuites(ctx, ciphersuites)) { + BIO_printf(bio_err, "Error setting TLSv1.3 ciphersuites\n"); + goto err; + } + if (ciphers != NULL) { if (!SSL_CTX_set_cipher_list(ctx, ciphers)) { BIO_printf(bio_err, "Error in cipher list\n"); @@ -169,22 +207,26 @@ int MAIN(int argc, char **argv) if (ssl == NULL) goto err; + if (use_supported) + sk = SSL_get1_supported_ciphers(ssl); + else + sk = SSL_get_ciphers(ssl); + if (!verbose) { - for (i = 0;; i++) { - p = SSL_get_cipher_list(ssl, i); + for (i = 0; i < sk_SSL_CIPHER_num(sk); i++) { + const SSL_CIPHER *c = sk_SSL_CIPHER_value(sk, i); + p = SSL_CIPHER_get_name(c); if (p == NULL) break; if (i != 0) - BIO_printf(STDout, ":"); - BIO_printf(STDout, "%s", p); + BIO_printf(bio_out, ":"); + BIO_printf(bio_out, "%s", p); } - BIO_printf(STDout, "\n"); - } else { /* verbose */ - - sk = SSL_get_ciphers(ssl); + BIO_printf(bio_out, "\n"); + } else { for (i = 0; i < sk_SSL_CIPHER_num(sk); i++) { - SSL_CIPHER *c; + const SSL_CIPHER *c; c = sk_SSL_CIPHER_value(sk, i); @@ -195,45 +237,30 @@ int MAIN(int argc, char **argv) int id2 = (int)((id >> 8) & 0xffL); int id3 = (int)(id & 0xffL); - if ((id & 0xff000000L) == 0x02000000L) { - /* SSL2 cipher */ - BIO_printf(STDout, " 0x%02X,0x%02X,0x%02X - ", id1, - id2, id3); - } else if ((id & 0xff000000L) == 0x03000000L) { - /* SSL3 cipher */ - BIO_printf(STDout, " 0x%02X,0x%02X - ", id2, - id3); - } else { - /* whatever */ - BIO_printf(STDout, "0x%02X,0x%02X,0x%02X,0x%02X - ", id0, - id1, id2, id3); - } + if ((id & 0xff000000L) == 0x03000000L) + BIO_printf(bio_out, " 0x%02X,0x%02X - ", id2, id3); /* SSL3 + * cipher */ + else + BIO_printf(bio_out, "0x%02X,0x%02X,0x%02X,0x%02X - ", id0, id1, id2, id3); /* whatever */ } -#ifndef OPENSSL_NO_SSL_TRACE if (stdname) { const char *nm = SSL_CIPHER_standard_name(c); if (nm == NULL) nm = "UNKNOWN"; - BIO_printf(STDout, "%s - ", nm); + BIO_printf(bio_out, "%s - ", nm); } -#endif - BIO_puts(STDout, SSL_CIPHER_description(c, buf, sizeof(buf))); + BIO_puts(bio_out, SSL_CIPHER_description(c, buf, sizeof(buf))); } } ret = 0; - if (0) { + goto end; err: - SSL_load_error_strings(); - ERR_print_errors(bio_err); - } + ERR_print_errors(bio_err); end: - if (ctx != NULL) - SSL_CTX_free(ctx); - if (ssl != NULL) - SSL_free(ssl); - if (STDout != NULL) - BIO_free_all(STDout); - apps_shutdown(); - OPENSSL_EXIT(ret); + if (use_supported) + sk_SSL_CIPHER_free(sk); + SSL_CTX_free(ctx); + SSL_free(ssl); + return ret; } |