#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,sizeof buf);
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,sizeof buf);
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)
{
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);
}
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(const 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));
}
}
}
void MS_CALLBACK msg_cb(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg)
{
BIO *bio = arg;
const char *str_write_p, *str_version, *str_content_type = "", *str_details1 = "", *str_details2= "";
str_write_p = write_p ? ">>>" : "<<<";
switch (version)
{
case SSL2_VERSION:
str_version = "SSL 2.0";
break;
case SSL3_VERSION:
str_version = "SSL 3.0 ";
break;
case TLS1_VERSION:
str_version = "TLS 1.0 ";
break;
default:
str_version = "???";
}
if (version == SSL2_VERSION)
{
str_details1 = "???";
if (len > 0)
{
switch (((unsigned char*)buf)[0])
{
case 0:
str_details1 = ", ERROR:";
str_details2 = " ???";
if (len >= 3)
{
unsigned err = (((unsigned char*)buf)[1]<<8) + ((unsigned char*)buf)[2];
switch (err)
{
case 0x0001:
str_details2 = " NO-CIPHER-ERROR";
break;
case 0x0002:
str_details2 = " NO-CERTIFICATE-ERROR";
break;
case 0x0004:
str_details2 = " BAD-CERTIFICATE-ERROR";
break;
case 0x0006:
str_details2 = " UNSUPPORTED-CERTIFICATE-TYPE-ERROR";
break;
}
}
break;
case 1:
str_details1 = ", CLIENT-HELLO";
break;
case 2:
str_details1 = ", CLIENT-MASTER-KEY";
break;
case 3:
str_details1 = ", CLIENT-FINISHED";
break;
case 4:
str_details1 = ", SERVER-HELLO";
break;
case 5:
str_details1 = ", SERVER-VERIFY";
break;
case 6:
str_details1 = ", SERVER-FINISHED";
break;
case 7:
str_details1 = ", REQUEST-CERTIFICATE";
break;
case 8:
str_details1 = ", CLIENT-CERTIFICATE";
break;
}
}
}
if (version == SSL3_VERSION || version == TLS1_VERSION)
{
switch (content_type)
{
case 20:
str_content_type = "ChangeCipherSpec";
break;
case 21:
str_content_type = "Alert";
break;
case 22:
str_content_type = "Handshake";
break;
}
if (content_type == 21)
{
str_details1 = ", ???";
if (len == 2)
{
switch (((unsigned char*)buf)[0])
{
case 1:
str_details1 = ", warning";
break;
case 2:
str_details1 = ", fatal";
break;
}
str_details2 = " ???";
switch (((unsigned char*)buf)[1])
{
case 0:
str_details2 = " close_notify";
break;
case 10:
str_details2 = " unexpected_message";
break;
case 20:
str_details2 = " bad_record_mac";
break;
case 21:
str_details2 = " decryption_failed";
break;
case 22:
str_details2 = " record_overflow";
break;
case 30:
str_details2 = " decompression_failure";
break;
case 40:
str_details2 = " handshake_failure";
break;
case 42:
str_details2 = " bad_certificate";
break;
case 43:
str_details2 = " unsupported_certificate";
break;
case 44:
str_details2 = " certificate_revoked";
break;
case 45:
str_details2 = " certificate_expired";
break;
case 46:
str_details2 = " certificate_unknown";
break;
case 47:
str_details2 = " illegal_parameter";
break;
case 48:
str_details2 = " unknown_ca";
break;
case 49:
str_details2 = " access_denied";
break;
case 50:
str_details2 = " decode_error";
break;
case 51:
str_details2 = " decrypt_error";
break;
case 60:
str_details2 = " export_restriction";
break;
case 70:
str_details2 = " protocol_version";
break;
case 71:
str_details2 = " insufficient_security";
break;
case 80:
str_details2 = " internal_error";
break;
case 90:
str_details2 = " user_canceled";
break;
case 100:
str_details2 = " no_renegotiation";
break;
}
}
}
if (content_type == 22)
{
str_details1 = "???";
if (len > 0)
{
switch (((unsigned char*)buf)[0])
{
case 0:
str_details1 = ", HelloRequest";
break;
case 1:
str_details1 = ", ClientHello";
break;
case 2:
str_details1 = ", ServerHello";
break;
case 11:
str_details1 = ", Certificate";
break;
case 12:
str_details1 = ", ServerKeyExchange";
break;
case 13:
str_details1 = ", CertificateRequest";
break;
case 14:
str_details1 = ", ServerHelloDone";
break;
case 15:
str_details1 = ", CertificateVerify";
break;
case 16:
str_details1 = ", ClientKeyExchange";
break;
case 20:
str_details1 = ", Finished";
break;
}
}
}
}
BIO_printf(bio, "%s %s%s [length %04lx]%s%s\n", str_write_p, str_version, str_content_type, (unsigned long)len, str_details1, str_details2);
if (len > 0)
{
size_t num, i;
BIO_printf(bio, " ");
num = len;
#if 0
if (num > 16)
num = 16;
#endif
for (i = 0; i < num; i++)
{
if (i % 16 == 0 && i > 0)
BIO_printf(bio, "\n ");
BIO_printf(bio, " %02x", ((unsigned char*)buf)[i]);
}
if (i < len)
BIO_printf(bio, " ...");
BIO_printf(bio, "\n");
}
BIO_flush(bio);
}