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Diffstat (limited to 'apps/s_cb.c')
-rw-r--r-- | apps/s_cb.c | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/apps/s_cb.c b/apps/s_cb.c new file mode 100644 index 0000000000..fd622597d6 --- /dev/null +++ b/apps/s_cb.c @@ -0,0 +1,238 @@ +/* apps/s_cb.c - callback functions used by s_client, s_server, and s_time */ +/* 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.] + */ + +#include <stdio.h> +#include <stdlib.h> +#define USE_SOCKETS +#define NON_MAIN +#include "apps.h" +#undef NON_MAIN +#undef USE_SOCKETS +#include <openssl/err.h> +#include <openssl/x509.h> +#include <openssl/ssl.h> +#include "s_apps.h" + +int verify_depth=0; +int verify_error=X509_V_OK; + +int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx) + { + char buf[256]; + X509 *err_cert; + int err,depth; + + err_cert=X509_STORE_CTX_get_current_cert(ctx); + err= X509_STORE_CTX_get_error(ctx); + depth= X509_STORE_CTX_get_error_depth(ctx); + + X509_NAME_oneline(X509_get_subject_name(err_cert),buf,256); + BIO_printf(bio_err,"depth=%d %s\n",depth,buf); + if (!ok) + { + BIO_printf(bio_err,"verify error:num=%d:%s\n",err, + X509_verify_cert_error_string(err)); + if (verify_depth >= depth) + { + ok=1; + verify_error=X509_V_OK; + } + else + { + ok=0; + verify_error=X509_V_ERR_CERT_CHAIN_TOO_LONG; + } + } + switch (ctx->error) + { + case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT: + X509_NAME_oneline(X509_get_issuer_name(ctx->current_cert),buf,256); + BIO_printf(bio_err,"issuer= %s\n",buf); + break; + case X509_V_ERR_CERT_NOT_YET_VALID: + case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD: + BIO_printf(bio_err,"notBefore="); + ASN1_TIME_print(bio_err,X509_get_notBefore(ctx->current_cert)); + BIO_printf(bio_err,"\n"); + break; + case X509_V_ERR_CERT_HAS_EXPIRED: + case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD: + BIO_printf(bio_err,"notAfter="); + ASN1_TIME_print(bio_err,X509_get_notAfter(ctx->current_cert)); + BIO_printf(bio_err,"\n"); + break; + } + BIO_printf(bio_err,"verify return:%d\n",ok); + return(ok); + } + +int set_cert_stuff(SSL_CTX *ctx, char *cert_file, char *key_file) + { + if (cert_file != NULL) + { + /* + SSL *ssl; + X509 *x509; + */ + + if (SSL_CTX_use_certificate_file(ctx,cert_file, + SSL_FILETYPE_PEM) <= 0) + { + BIO_printf(bio_err,"unable to get certificate from '%s'\n",cert_file); + ERR_print_errors(bio_err); + return(0); + } + if (key_file == NULL) key_file=cert_file; + if (SSL_CTX_use_PrivateKey_file(ctx,key_file, + SSL_FILETYPE_PEM) <= 0) + { + BIO_printf(bio_err,"unable to get private key from '%s'\n",key_file); + ERR_print_errors(bio_err); + return(0); + } + + /* + In theory this is no longer needed + ssl=SSL_new(ctx); + x509=SSL_get_certificate(ssl); + + if (x509 != NULL) { + EVP_PKEY *pktmp; + pktmp = X509_get_pubkey(x509); + EVP_PKEY_copy_parameters(pktmp, + SSL_get_privatekey(ssl)); + EVP_PKEY_free(pktmp); + } + SSL_free(ssl); + */ + + /* If we are using DSA, we can copy the parameters from + * the private key */ + + + /* Now we know that a key and cert have been set against + * the SSL context */ + if (!SSL_CTX_check_private_key(ctx)) + { + BIO_printf(bio_err,"Private key does not match the certificate public key\n"); + return(0); + } + } + return(1); + } + +long MS_CALLBACK bio_dump_cb(BIO *bio, int cmd, const char *argp, int argi, + long argl, long ret) + { + BIO *out; + + out=(BIO *)BIO_get_callback_arg(bio); + if (out == NULL) return(ret); + + if (cmd == (BIO_CB_READ|BIO_CB_RETURN)) + { + BIO_printf(out,"read from %08X [%08lX] (%d bytes => %ld (0x%X))\n", + bio,argp,argi,ret,ret); + BIO_dump(out,argp,(int)ret); + return(ret); + } + else if (cmd == (BIO_CB_WRITE|BIO_CB_RETURN)) + { + BIO_printf(out,"write to %08X [%08lX] (%d bytes => %ld (0x%X))\n", + bio,argp,argi,ret,ret); + BIO_dump(out,argp,(int)ret); + } + return(ret); + } + +void MS_CALLBACK apps_ssl_info_callback(SSL *s, int where, int ret) + { + char *str; + int w; + + w=where& ~SSL_ST_MASK; + + if (w & SSL_ST_CONNECT) str="SSL_connect"; + else if (w & SSL_ST_ACCEPT) str="SSL_accept"; + else str="undefined"; + + if (where & SSL_CB_LOOP) + { + BIO_printf(bio_err,"%s:%s\n",str,SSL_state_string_long(s)); + } + else if (where & SSL_CB_ALERT) + { + str=(where & SSL_CB_READ)?"read":"write"; + BIO_printf(bio_err,"SSL3 alert %s:%s:%s\n", + str, + SSL_alert_type_string_long(ret), + SSL_alert_desc_string_long(ret)); + } + else if (where & SSL_CB_EXIT) + { + if (ret == 0) + BIO_printf(bio_err,"%s:failed in %s\n", + str,SSL_state_string_long(s)); + else if (ret < 0) + { + BIO_printf(bio_err,"%s:error in %s\n", + str,SSL_state_string_long(s)); + } + } + } + |