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manually merge 9f98251 make extKeyUsage accessible

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This commit is contained in:
Manuel Pégourié-Gonnard 2015-04-20 11:01:48 +01:00
parent 89addc43db
commit e6efa6f54e
5 changed files with 44 additions and 7 deletions
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3
ChangeLog
View file

@ -70,6 +70,9 @@ Changes
= mbed TLS 1.3 branch
Security
* With authmode set to MBEDTLS_SSL_VERIFY_OPTIONAL, verification of keyUsage and
extendedKeyUsage on the leaf certificate was lost (results not accessible
via ssl_get_verify_results()).
Features
* Add mbedtls_x509_crt_verify_info() to display certificate verification results.

3
include/mbedtls/ssl.h
View file

@ -2281,7 +2281,8 @@ static inline mbedtls_x509_crt *mbedtls_ssl_own_cert( mbedtls_ssl_context *ssl )
*/
int mbedtls_ssl_check_cert_usage( const mbedtls_x509_crt *cert,
const mbedtls_ssl_ciphersuite_t *ciphersuite,
int cert_endpoint );
int cert_endpoint,
int *flags );
#endif /* MBEDTLS_X509_CRT_PARSE_C */
void mbedtls_ssl_write_version( int major, int minor, int transport,

3
library/ssl_srv.c
View file

@ -868,6 +868,7 @@ static int ssl_pick_cert( mbedtls_ssl_context *ssl,
{
mbedtls_ssl_key_cert *cur, *list, *fallback = NULL;
mbedtls_pk_type_t pk_alg = mbedtls_ssl_get_ciphersuite_sig_pk_alg( ciphersuite_info );
int flags;
#if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION)
if( ssl->handshake->sni_key_cert != NULL )
@ -901,7 +902,7 @@ static int ssl_pick_cert( mbedtls_ssl_context *ssl,
* and decrypting with the same RSA key.
*/
if( mbedtls_ssl_check_cert_usage( cur->cert, ciphersuite_info,
MBEDTLS_SSL_IS_SERVER ) != 0 )
MBEDTLS_SSL_IS_SERVER, &flags ) != 0 )
{
MBEDTLS_SSL_DEBUG_MSG( 3, ( "certificate mismatch: "
"(extended) key usage extension" ) );

20
library/ssl_tls.c
View file

@ -4059,7 +4059,8 @@ int mbedtls_ssl_parse_certificate( mbedtls_ssl_context *ssl )
if( mbedtls_ssl_check_cert_usage( ssl->session_negotiate->peer_cert,
ciphersuite_info,
! ssl->endpoint ) != 0 )
! ssl->endpoint,
&ssl->session_negotiate->verify_result ) != 0 )
{
MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad certificate (usage extensions)" ) );
if( ret == 0 )
@ -6789,8 +6790,10 @@ int mbedtls_ssl_curve_is_acceptable( const mbedtls_ssl_context *ssl, mbedtls_ecp
#if defined(MBEDTLS_X509_CRT_PARSE_C)
int mbedtls_ssl_check_cert_usage( const mbedtls_x509_crt *cert,
const mbedtls_ssl_ciphersuite_t *ciphersuite,
int cert_endpoint )
int cert_endpoint,
int *flags )
{
int ret = 0;
#if defined(MBEDTLS_X509_CHECK_KEY_USAGE)
int usage = 0;
#endif
@ -6803,6 +6806,7 @@ int mbedtls_ssl_check_cert_usage( const mbedtls_x509_crt *cert,
!defined(MBEDTLS_X509_CHECK_EXTENDED_KEY_USAGE)
((void) cert);
((void) cert_endpoint);
((void) flags);
#endif
#if defined(MBEDTLS_X509_CHECK_KEY_USAGE)
@ -6842,7 +6846,10 @@ int mbedtls_ssl_check_cert_usage( const mbedtls_x509_crt *cert,
}
if( mbedtls_x509_crt_check_key_usage( cert, usage ) != 0 )
return( -1 );
{
*flags |= MBEDTLS_BADCERT_KEY_USAGE;
ret = -1;
}
#else
((void) ciphersuite);
#endif /* MBEDTLS_X509_CHECK_KEY_USAGE */
@ -6860,10 +6867,13 @@ int mbedtls_ssl_check_cert_usage( const mbedtls_x509_crt *cert,
}
if( mbedtls_x509_crt_check_extended_key_usage( cert, ext_oid, ext_len ) != 0 )
return( -1 );
{
*flags |= MBEDTLS_BADCERT_EXT_KEY_USAGE;
ret = -1;
}
#endif /* MBEDTLS_X509_CHECK_EXTENDED_KEY_USAGE */
return( 0 );
return( ret );
}
#endif /* MBEDTLS_X509_CRT_PARSE_C */

22
tests/ssl-opt.sh
View file

@ -2094,6 +2094,17 @@ run_test "keyUsage cli: KeyEncipherment, DHE-RSA: fail" \
-c "Processing of the Certificate handshake message failed" \
-C "Ciphersuite is TLS-"
run_test "keyUsage cli: KeyEncipherment, DHE-RSA: fail, soft" \
"$O_SRV -key data_files/server2.key \
-cert data_files/server2.ku-ke.crt" \
"$P_CLI debug_level=1 auth_mode=optional \
force_ciphersuite=TLS-DHE-RSA-WITH-AES-128-CBC-SHA" \
0 \
-c "bad certificate (usage extensions)" \
-C "Processing of the Certificate handshake message failed" \
-c "Ciphersuite is TLS-" \
-c "! Usage does not match the keyUsage extension"
run_test "keyUsage cli: DigitalSignature, DHE-RSA: OK" \
"$O_SRV -key data_files/server2.key \
-cert data_files/server2.ku-ds.crt" \
@ -2114,6 +2125,17 @@ run_test "keyUsage cli: DigitalSignature, RSA: fail" \
-c "Processing of the Certificate handshake message failed" \
-C "Ciphersuite is TLS-"
run_test "keyUsage cli: DigitalSignature, RSA: fail, soft" \
"$O_SRV -key data_files/server2.key \
-cert data_files/server2.ku-ds.crt" \
"$P_CLI debug_level=1 auth_mode=optional \
force_ciphersuite=TLS-RSA-WITH-AES-128-CBC-SHA" \
0 \
-c "bad certificate (usage extensions)" \
-C "Processing of the Certificate handshake message failed" \
-c "Ciphersuite is TLS-" \
-c "! Usage does not match the keyUsage extension"
# Tests for keyUsage in leaf certificates, part 3:
# server-side checking of client cert