Annotation of src/usr.bin/openssl/ciphers.c, Revision 1.1
1.1 ! jsing 1: /* $OpenBSD: ciphers.c,v 1.27 2014/08/24 14:55:23 jsing Exp $ */
! 2: /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
! 3: * All rights reserved.
! 4: *
! 5: * This package is an SSL implementation written
! 6: * by Eric Young (eay@cryptsoft.com).
! 7: * The implementation was written so as to conform with Netscapes SSL.
! 8: *
! 9: * This library is free for commercial and non-commercial use as long as
! 10: * the following conditions are aheared to. The following conditions
! 11: * apply to all code found in this distribution, be it the RC4, RSA,
! 12: * lhash, DES, etc., code; not just the SSL code. The SSL documentation
! 13: * included with this distribution is covered by the same copyright terms
! 14: * except that the holder is Tim Hudson (tjh@cryptsoft.com).
! 15: *
! 16: * Copyright remains Eric Young's, and as such any Copyright notices in
! 17: * the code are not to be removed.
! 18: * If this package is used in a product, Eric Young should be given attribution
! 19: * as the author of the parts of the library used.
! 20: * This can be in the form of a textual message at program startup or
! 21: * in documentation (online or textual) provided with the package.
! 22: *
! 23: * Redistribution and use in source and binary forms, with or without
! 24: * modification, are permitted provided that the following conditions
! 25: * are met:
! 26: * 1. Redistributions of source code must retain the copyright
! 27: * notice, this list of conditions and the following disclaimer.
! 28: * 2. Redistributions in binary form must reproduce the above copyright
! 29: * notice, this list of conditions and the following disclaimer in the
! 30: * documentation and/or other materials provided with the distribution.
! 31: * 3. All advertising materials mentioning features or use of this software
! 32: * must display the following acknowledgement:
! 33: * "This product includes cryptographic software written by
! 34: * Eric Young (eay@cryptsoft.com)"
! 35: * The word 'cryptographic' can be left out if the rouines from the library
! 36: * being used are not cryptographic related :-).
! 37: * 4. If you include any Windows specific code (or a derivative thereof) from
! 38: * the apps directory (application code) you must include an acknowledgement:
! 39: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
! 40: *
! 41: * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
! 42: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 43: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 44: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
! 45: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 46: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 47: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 48: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 49: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 50: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 51: * SUCH DAMAGE.
! 52: *
! 53: * The licence and distribution terms for any publically available version or
! 54: * derivative of this code cannot be changed. i.e. this code cannot simply be
! 55: * copied and put under another distribution licence
! 56: * [including the GNU Public Licence.]
! 57: */
! 58:
! 59: #include <stdio.h>
! 60: #include <stdlib.h>
! 61: #include <string.h>
! 62:
! 63: #include "apps.h"
! 64:
! 65: #include <openssl/err.h>
! 66: #include <openssl/ssl.h>
! 67:
! 68: static const char *ciphers_usage[] = {
! 69: "usage: ciphers args\n",
! 70: " -v - verbose mode, a textual listing of the SSL/TLS ciphers in OpenSSL\n",
! 71: " -V - even more verbose\n",
! 72: " -ssl3 - SSL3 mode\n",
! 73: " -tls1 - TLS1 mode\n",
! 74: NULL
! 75: };
! 76:
! 77: int ciphers_main(int, char **);
! 78:
! 79: int
! 80: ciphers_main(int argc, char **argv)
! 81: {
! 82: int ret = 1, i;
! 83: int verbose = 0, Verbose = 0;
! 84: const char **pp;
! 85: const char *p;
! 86: int badops = 0;
! 87: SSL_CTX *ctx = NULL;
! 88: SSL *ssl = NULL;
! 89: char *ciphers = NULL;
! 90: const SSL_METHOD *meth = NULL;
! 91: STACK_OF(SSL_CIPHER) * sk;
! 92: BIO *STDout = NULL;
! 93: char *desc;
! 94:
! 95: meth = SSLv3_server_method();
! 96:
! 97: STDout = BIO_new_fp(stdout, BIO_NOCLOSE);
! 98:
! 99: argc--;
! 100: argv++;
! 101: while (argc >= 1) {
! 102: if (strcmp(*argv, "-v") == 0)
! 103: verbose = 1;
! 104: else if (strcmp(*argv, "-V") == 0)
! 105: verbose = Verbose = 1;
! 106: else if (strcmp(*argv, "-ssl3") == 0)
! 107: meth = SSLv3_client_method();
! 108: else if (strcmp(*argv, "-tls1") == 0)
! 109: meth = TLSv1_client_method();
! 110: else if ((strncmp(*argv, "-h", 2) == 0) ||
! 111: (strcmp(*argv, "-?") == 0)) {
! 112: badops = 1;
! 113: break;
! 114: } else {
! 115: ciphers = *argv;
! 116: }
! 117: argc--;
! 118: argv++;
! 119: }
! 120:
! 121: if (badops) {
! 122: for (pp = ciphers_usage; (*pp != NULL); pp++)
! 123: BIO_printf(bio_err, "%s", *pp);
! 124: goto end;
! 125: }
! 126:
! 127: ctx = SSL_CTX_new(meth);
! 128: if (ctx == NULL)
! 129: goto err;
! 130: if (ciphers != NULL) {
! 131: if (!SSL_CTX_set_cipher_list(ctx, ciphers)) {
! 132: BIO_printf(bio_err, "Error in cipher list\n");
! 133: goto err;
! 134: }
! 135: }
! 136: ssl = SSL_new(ctx);
! 137: if (ssl == NULL)
! 138: goto err;
! 139:
! 140: if (!verbose) {
! 141: for (i = 0; ; i++) {
! 142: p = SSL_get_cipher_list(ssl, i);
! 143: if (p == NULL)
! 144: break;
! 145: if (i != 0)
! 146: BIO_printf(STDout, ":");
! 147: BIO_printf(STDout, "%s", p);
! 148: }
! 149: BIO_printf(STDout, "\n");
! 150: } else { /* verbose */
! 151: sk = SSL_get_ciphers(ssl);
! 152:
! 153: for (i = 0; i < sk_SSL_CIPHER_num(sk); i++) {
! 154: SSL_CIPHER *c;
! 155:
! 156: c = sk_SSL_CIPHER_value(sk, i);
! 157:
! 158: if (Verbose) {
! 159: unsigned long id = SSL_CIPHER_get_id(c);
! 160: int id0 = (int) (id >> 24);
! 161: int id1 = (int) ((id >> 16) & 0xffL);
! 162: int id2 = (int) ((id >> 8) & 0xffL);
! 163: int id3 = (int) (id & 0xffL);
! 164:
! 165: if ((id & 0xff000000L) == 0x02000000L)
! 166: BIO_printf(STDout, " 0x%02X,0x%02X,0x%02X - ", id1, id2, id3); /* SSL2 cipher */
! 167: else if ((id & 0xff000000L) == 0x03000000L)
! 168: BIO_printf(STDout, " 0x%02X,0x%02X - ", id2, id3); /* SSL3 cipher */
! 169: else
! 170: BIO_printf(STDout, "0x%02X,0x%02X,0x%02X,0x%02X - ", id0, id1, id2, id3); /* whatever */
! 171: }
! 172: desc = SSL_CIPHER_description(c, NULL, 0);
! 173: BIO_puts(STDout, desc);
! 174: if (strcmp(desc, "OPENSSL_malloc Error") != 0)
! 175: free(desc);
! 176: }
! 177: }
! 178:
! 179: ret = 0;
! 180: if (0) {
! 181: err:
! 182: ERR_print_errors(bio_err);
! 183: }
! 184:
! 185: end:
! 186: if (ctx != NULL)
! 187: SSL_CTX_free(ctx);
! 188: if (ssl != NULL)
! 189: SSL_free(ssl);
! 190: if (STDout != NULL)
! 191: BIO_free_all(STDout);
! 192:
! 193: return (ret);
! 194: }
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