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author | pwernau <none@none> | 2008-02-29 11:48:50 -0800 |
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committer | pwernau <none@none> | 2008-02-29 11:48:50 -0800 |
commit | a12f8217a48c5bd9b5b2492e3feb316d3c89501b (patch) | |
tree | ad0ec407b35719d89d1fc0a8238116dc44f4131d /usr/src/lib/libipsecutil/common/ipsec_libssl_setup.c | |
parent | 06cfbf35ec2ffad381362c0b3886d50578d0b9f9 (diff) | |
download | illumos-gate-a12f8217a48c5bd9b5b2492e3feb316d3c89501b.tar.gz |
6658263 ipseckey and ikeadm don't print ASN.1 ID values
Diffstat (limited to 'usr/src/lib/libipsecutil/common/ipsec_libssl_setup.c')
-rw-r--r-- | usr/src/lib/libipsecutil/common/ipsec_libssl_setup.c | 250 |
1 files changed, 250 insertions, 0 deletions
diff --git a/usr/src/lib/libipsecutil/common/ipsec_libssl_setup.c b/usr/src/lib/libipsecutil/common/ipsec_libssl_setup.c new file mode 100644 index 0000000000..91a3d0c787 --- /dev/null +++ b/usr/src/lib/libipsecutil/common/ipsec_libssl_setup.c @@ -0,0 +1,250 @@ +/* + * Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * 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.] + */ + +/* + * Copyright 2008 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +/* + * Thread setup portions of this code derived from + * OpenSSL 0.9.4 file mt/mttest.c examples + */ + +#pragma ident "%Z%%M% %I% %E% SMI" + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <errno.h> +#include <libintl.h> +#include <synch.h> +#include <thread.h> +#include <dlfcn.h> +#include <openssl/lhash.h> +#include <openssl/crypto.h> +#include <openssl/ssl.h> +#include <openssl/err.h> +#include "ipsec_util.h" + +/* OpenSSL function pointers */ +static X509_NAME *(*d2i_X509_NAME_fn)() = NULL; +static int (*X509_NAME_print_ex_fp_fn)() = NULL; +static char *(*ERR_get_error_fn)() = NULL; +static char *(*ERR_error_string_fn)() = NULL; +static void (*SSL_load_error_strings_fn)() = NULL; +static void (*ERR_free_strings_fn)() = NULL; +static void (*CRYPTO_set_locking_callback_fn)() = NULL; +static void (*CRYPTO_set_id_callback_fn)() = NULL; + +static void solaris_locking_callback(int, int, char *, int); +static unsigned long solaris_thread_id(void); +static void thread_setup(void); +/* LINTED E_STATIC_UNUSED */ +static void thread_cleanup(void); + +mutex_t init_lock = DEFAULTMUTEX; +static mutex_t lock_cs[CRYPTO_NUM_LOCKS]; +static long lock_count[CRYPTO_NUM_LOCKS]; + +void +libssl_load() +{ + void *dldesc; + + (void) mutex_lock(&init_lock); + if (libssl_loaded) { + (void) mutex_unlock(&init_lock); + return; + } + + dldesc = dlopen(LIBSSL, RTLD_LAZY); + if (dldesc != NULL) { + d2i_X509_NAME_fn = (X509_NAME*(*)())dlsym(dldesc, + "d2i_X509_NAME"); + if (d2i_X509_NAME_fn == NULL) + goto libssl_err; + + X509_NAME_print_ex_fp_fn = (int(*)())dlsym(dldesc, + "X509_NAME_print_ex_fp"); + if (X509_NAME_print_ex_fp_fn == NULL) + goto libssl_err; + + ERR_get_error_fn = (char *(*)())dlsym(dldesc, + "ERR_get_error"); + if (ERR_get_error_fn == NULL) + goto libssl_err; + + ERR_error_string_fn = (char *(*)())dlsym(dldesc, + "ERR_error_string"); + if (ERR_error_string_fn == NULL) + goto libssl_err; + + SSL_load_error_strings_fn = (void(*)())dlsym(dldesc, + "SSL_load_error_strings"); + if (SSL_load_error_strings_fn == NULL) + goto libssl_err; + + ERR_free_strings_fn = (void(*)())dlsym(dldesc, + "ERR_free_strings"); + if (ERR_free_strings_fn == NULL) + goto libssl_err; + + CRYPTO_set_locking_callback_fn = (void(*)())dlsym(dldesc, + "CRYPTO_set_locking_callback"); + if (CRYPTO_set_locking_callback_fn == NULL) + goto libssl_err; + + CRYPTO_set_id_callback_fn = (void(*)())dlsym(dldesc, + "CRYPTO_set_id_callback"); + if (CRYPTO_set_id_callback_fn == NULL) + goto libssl_err; + + thread_setup(); + + libssl_loaded = B_TRUE; + } + (void) mutex_unlock(&init_lock); + return; +libssl_err: + (void) dlclose(dldesc); + (void) mutex_unlock(&init_lock); +} + +static void +thread_setup(void) +{ + int i; + + for (i = 0; i < CRYPTO_NUM_LOCKS; i++) { + lock_count[i] = 0; + (void) mutex_init(&(lock_cs[i]), USYNC_THREAD, NULL); + } + + CRYPTO_set_id_callback_fn((unsigned long (*)())solaris_thread_id); + CRYPTO_set_locking_callback_fn((void (*)())solaris_locking_callback); +} + +static void +thread_cleanup(void) +{ + int i; + + (void) mutex_lock(&init_lock); + CRYPTO_set_locking_callback_fn(NULL); + CRYPTO_set_id_callback_fn(NULL); + for (i = 0; i < CRYPTO_NUM_LOCKS; i++) + (void) mutex_destroy(&(lock_cs[i])); + (void) mutex_unlock(&init_lock); +} + +/* ARGSUSED */ +static void +solaris_locking_callback(int mode, int type, char *file, int line) +{ + if (mode & CRYPTO_LOCK) { + (void) mutex_lock(&(lock_cs[type])); + lock_count[type]++; + } else { + (void) mutex_unlock(&(lock_cs[type])); + } +} + +static unsigned long +solaris_thread_id(void) +{ + unsigned long ret; + + ret = (unsigned long)thr_self(); + return (ret); +} + +void +print_asn1_name(FILE *file, const unsigned char *buf, long buflen) +{ + libssl_load(); + + if (libssl_loaded) { + X509_NAME *x509 = NULL; + const unsigned char *p; + + /* Make an effort to decode the ASN1 encoded name */ + SSL_load_error_strings_fn(); + + /* temporary variable is mandatory per openssl docs */ + p = buf; + + x509 = d2i_X509_NAME_fn(NULL, &p, buflen); + if (x509 != NULL) { + (void) X509_NAME_print_ex_fp_fn(file, x509, 0, + (ASN1_STRFLGS_RFC2253 | ASN1_STRFLGS_ESC_QUOTE | + XN_FLAG_SEP_CPLUS_SPC | XN_FLAG_FN_SN)); + (void) fprintf(file, "\n"); + } else { + char errbuf[80]; + + (void) fprintf(file, "\n# %s\n", + ERR_error_string_fn(ERR_get_error_fn(), errbuf)); + (void) fprintf(file, dgettext(TEXT_DOMAIN, + "<cannot interpret>\n")); + } + ERR_free_strings_fn(); + } else { + (void) fprintf(file, dgettext(TEXT_DOMAIN, "<cannot print>\n")); + } +} |