diff --git a/ChangeLog.d/new-mbedtls_x509_crt_parse_der_with_ext_cb_routine.txt b/ChangeLog.d/new-mbedtls_x509_crt_parse_der_with_ext_cb_routine.txt new file mode 100644 index 000000000..fdea746de --- /dev/null +++ b/ChangeLog.d/new-mbedtls_x509_crt_parse_der_with_ext_cb_routine.txt @@ -0,0 +1,5 @@ +Features + * Add new mbedtls_x509_crt_parse_der_with_ext_cb() routine which allows + parsing unsupported certificate extensions via user provided callback. + Contributed by Nicola Di Lieto in #3243 as + a solution to #3241. diff --git a/include/mbedtls/x509_crt.h b/include/mbedtls/x509_crt.h index e4fb13543..9a9b397d9 100644 --- a/include/mbedtls/x509_crt.h +++ b/include/mbedtls/x509_crt.h @@ -303,6 +303,82 @@ int mbedtls_x509_crt_parse_der( mbedtls_x509_crt *chain, const unsigned char *buf, size_t buflen ); +/** + * \brief The type of certificate extension callbacks. + * + * Callbacks of this type are passed to and used by the + * mbedtls_x509_crt_parse_der_with_ext_cb() routine when + * it encounters an unsupported extension. + * + * \param p_ctx An opaque context passed to the callback. + * \param crt The certificate being parsed. + * \param oid The OID of the extension. + * \param critical Whether the extension is critical. + * \param p Pointer to the start of the extension value + * (the content of the OCTET STRING). + * \param end End of extension value. + * + * \note The callback must fail and return a negative error code + * if it can not parse or does not support the extension. + * When the callback fails to parse a critical extension + * mbedtls_x509_crt_parse_der_with_ext_cb() also fails. + * When the callback fails to parse a non critical extension + * mbedtls_x509_crt_parse_der_with_ext_cb() simply skips + * the extension and continues parsing. + * + * \return \c 0 on success. + * \return A negative error code on failure. + */ +typedef int (*mbedtls_x509_crt_ext_cb_t)( void *p_ctx, + mbedtls_x509_crt const *crt, + mbedtls_x509_buf const *oid, + int critical, + const unsigned char *p, + const unsigned char *end ); + +/** + * \brief Parse a single DER formatted certificate and add it + * to the end of the provided chained list. + * + * \param chain The pointer to the start of the CRT chain to attach to. + * When parsing the first CRT in a chain, this should point + * to an instance of ::mbedtls_x509_crt initialized through + * mbedtls_x509_crt_init(). + * \param buf The buffer holding the DER encoded certificate. + * \param buflen The size in Bytes of \p buf. + * \param make_copy When not zero this function makes an internal copy of the + * CRT buffer \p buf. In particular, \p buf may be destroyed + * or reused after this call returns. + * When zero this function avoids duplicating the CRT buffer + * by taking temporary ownership thereof until the CRT + * is destroyed (like mbedtls_x509_crt_parse_der_nocopy()) + * \param cb A callback invoked for every unsupported certificate + * extension. + * \param p_ctx An opaque context passed to the callback. + * + * \note This call is functionally equivalent to + * mbedtls_x509_crt_parse_der(), and/or + * mbedtls_x509_crt_parse_der_nocopy() + * but it calls the callback with every unsupported + * certificate extension. + * The callback must return a negative error code if it + * does not know how to handle such an extension. + * When the callback fails to parse a critical extension + * mbedtls_x509_crt_parse_der_with_ext_cb() also fails. + * When the callback fails to parse a non critical extension + * mbedtls_x509_crt_parse_der_with_ext_cb() simply skips + * the extension and continues parsing. + * + * \return \c 0 if successful. + * \return A negative error code on failure. + */ +int mbedtls_x509_crt_parse_der_with_ext_cb( mbedtls_x509_crt *chain, + const unsigned char *buf, + size_t buflen, + int make_copy, + mbedtls_x509_crt_ext_cb_t cb, + void *p_ctx ); + /** * \brief Parse a single DER formatted certificate and add it * to the end of the provided chained list. This is a diff --git a/library/x509_crt.c b/library/x509_crt.c index 51e6aac42..ee3b48dc9 100644 --- a/library/x509_crt.c +++ b/library/x509_crt.c @@ -888,7 +888,9 @@ static int x509_get_certificate_policies( unsigned char **p, */ static int x509_get_crt_ext( unsigned char **p, const unsigned char *end, - mbedtls_x509_crt *crt ) + mbedtls_x509_crt *crt, + mbedtls_x509_crt_ext_cb_t cb, + void *p_ctx ) { int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; size_t len; @@ -951,6 +953,16 @@ static int x509_get_crt_ext( unsigned char **p, if( ret != 0 ) { + /* Give the callback (if any) a chance to handle the extension */ + if( cb != NULL ) + { + ret = cb( p_ctx, crt, &extn_oid, is_critical, *p, end_ext_octet ); + if( ret != 0 && is_critical ) + return( ret ); + *p = end_ext_octet; + continue; + } + /* No parser found, skip extension */ *p = end_ext_octet; @@ -1057,7 +1069,9 @@ static int x509_get_crt_ext( unsigned char **p, static int x509_crt_parse_der_core( mbedtls_x509_crt *crt, const unsigned char *buf, size_t buflen, - int make_copy ) + int make_copy, + mbedtls_x509_crt_ext_cb_t cb, + void *p_ctx ) { int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; size_t len; @@ -1256,7 +1270,7 @@ static int x509_crt_parse_der_core( mbedtls_x509_crt *crt, if( crt->version == 3 ) #endif { - ret = x509_get_crt_ext( &p, end, crt ); + ret = x509_get_crt_ext( &p, end, crt, cb, p_ctx ); if( ret != 0 ) { mbedtls_x509_crt_free( crt ); @@ -1319,7 +1333,9 @@ static int x509_crt_parse_der_core( mbedtls_x509_crt *crt, static int mbedtls_x509_crt_parse_der_internal( mbedtls_x509_crt *chain, const unsigned char *buf, size_t buflen, - int make_copy ) + int make_copy, + mbedtls_x509_crt_ext_cb_t cb, + void *p_ctx ) { int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; mbedtls_x509_crt *crt = chain, *prev = NULL; @@ -1351,7 +1367,8 @@ static int mbedtls_x509_crt_parse_der_internal( mbedtls_x509_crt *chain, crt = crt->next; } - if( ( ret = x509_crt_parse_der_core( crt, buf, buflen, make_copy ) ) != 0 ) + ret = x509_crt_parse_der_core( crt, buf, buflen, make_copy, cb, p_ctx ); + if( ret != 0 ) { if( prev ) prev->next = NULL; @@ -1369,14 +1386,24 @@ int mbedtls_x509_crt_parse_der_nocopy( mbedtls_x509_crt *chain, const unsigned char *buf, size_t buflen ) { - return( mbedtls_x509_crt_parse_der_internal( chain, buf, buflen, 0 ) ); + return( mbedtls_x509_crt_parse_der_internal( chain, buf, buflen, 0, NULL, NULL ) ); +} + +int mbedtls_x509_crt_parse_der_with_ext_cb( mbedtls_x509_crt *chain, + const unsigned char *buf, + size_t buflen, + int make_copy, + mbedtls_x509_crt_ext_cb_t cb, + void *p_ctx ) +{ + return( mbedtls_x509_crt_parse_der_internal( chain, buf, buflen, make_copy, cb, p_ctx ) ); } int mbedtls_x509_crt_parse_der( mbedtls_x509_crt *chain, const unsigned char *buf, size_t buflen ) { - return( mbedtls_x509_crt_parse_der_internal( chain, buf, buflen, 1 ) ); + return( mbedtls_x509_crt_parse_der_internal( chain, buf, buflen, 1, NULL, NULL ) ); } /* diff --git a/tests/suites/test_suite_x509parse.data b/tests/suites/test_suite_x509parse.data index 831e0ab25..0ba3b2c75 100644 --- a/tests/suites/test_suite_x509parse.data +++ b/tests/suites/test_suite_x509parse.data @@ -2012,6 +2012,26 @@ X509 CRT ASN1 (RSA signature, EC key) depends_on:MBEDTLS_ECDSA_C:MBEDTLS_ECP_DP_SECP192R1_ENABLED:MBEDTLS_SHA1_C:MBEDTLS_RSA_C x509parse_crt:"3081e430819f020104300d06092a864886f70d0101050500300f310d300b0603550403130454657374301e170d3133303731303135303233375a170d3233303730383135303233375a300f310d300b06035504031304546573743049301306072a8648ce3d020106082a8648ce3d03010103320004e962551a325b21b50cf6b990e33d4318fd16677130726357a196e3efe7107bcb6bdc6d9db2a4df7c964acfe81798433d300d06092a864886f70d01010505000331001a6c18cd1e457474b2d3912743f44b571341a7859a0122774a8e19a671680878936949f904c9255bdd6fffdb33a7e6d8":"cert. version \: 1\nserial number \: 04\nissuer name \: CN=Test\nsubject name \: CN=Test\nissued on \: 2013-07-10 15\:02\:37\nexpires on \: 2023-07-08 15\:02\:37\nsigned using \: RSA with SHA1\nEC key size \: 192 bits\n":0 +X509 CRT ASN1 (Unsupported critical extension) +depends_on:MBEDTLS_RSA_C:MBEDTLS_SHA256_C:!MBEDTLS_X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION +x509parse_crt:"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":"":MBEDTLS_ERR_X509_INVALID_EXTENSIONS + MBEDTLS_ERR_ASN1_UNEXPECTED_TAG + +X509 CRT ASN1 (Unsupported critical extension recognized by callback) +depends_on:MBEDTLS_RSA_C:MBEDTLS_SHA256_C +x509parse_crt_cb:"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":"cert. version \: 3\nserial number \: 4D\:3E\:BB\:B8\:A8\:70\:F9\:C7\:8C\:55\:A8\:A7\:E1\:2F\:D5\:16\nissuer name \: CN=dummy\nsubject name \: CN=dummy\nissued on \: 2020-04-28 17\:42\:43\nexpires on \: 2020-06-27 17\:42\:43\nsigned using \: RSA with SHA-256\nRSA key size \: 2048 bits\nbasic constraints \: CA=true\nsubject alt name \:\n dNSName \: dummy\nkey usage \: Digital Signature, Key Cert Sign\n":0 + +X509 CRT ASN1 (Unsupported critical extension not recognized by callback) +depends_on:MBEDTLS_RSA_C:MBEDTLS_SHA256_C +x509parse_crt_cb:"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":"":MBEDTLS_ERR_X509_INVALID_EXTENSIONS + MBEDTLS_ERR_ASN1_UNEXPECTED_TAG + +X509 CRT ASN1 (Unsupported non critical extension recognized by callback) +depends_on:MBEDTLS_RSA_C:MBEDTLS_SHA256_C +x509parse_crt_cb:"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":"cert. version \: 3\nserial number \: 4D\:3E\:BB\:B8\:A8\:70\:F9\:C7\:8C\:55\:A8\:A7\:E1\:2F\:D5\:16\nissuer name \: CN=dummy\nsubject name \: CN=dummy\nissued on \: 2020-04-28 17\:42\:43\nexpires on \: 2020-06-27 17\:42\:43\nsigned using \: RSA with SHA-256\nRSA key size \: 2048 bits\nbasic constraints \: CA=true\nsubject alt name \:\n dNSName \: dummy\nkey usage \: Digital Signature, Key Cert Sign\n":0 + +X509 CRT ASN1 (Unsupported non critical extension not recognized by callback) +depends_on:MBEDTLS_RSA_C:MBEDTLS_SHA256_C +x509parse_crt_cb:"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":"cert. version \: 3\nserial number \: 4D\:3E\:BB\:B8\:A8\:70\:F9\:C7\:8C\:55\:A8\:A7\:E1\:2F\:D5\:16\nissuer name \: CN=dummy\nsubject name \: CN=dummy\nissued on \: 2020-04-28 17\:42\:43\nexpires on \: 2020-06-27 17\:42\:43\nsigned using \: RSA with SHA-256\nRSA key size \: 2048 bits\nbasic constraints \: CA=true\nsubject alt name \:\n dNSName \: dummy\nkey usage \: Digital Signature, Key Cert Sign\n":0 + X509 CRL ASN1 (Incorrect first tag) x509parse_crl:"":"":MBEDTLS_ERR_X509_INVALID_FORMAT diff --git a/tests/suites/test_suite_x509parse.function b/tests/suites/test_suite_x509parse.function index f3e83d69e..54e515673 100644 --- a/tests/suites/test_suite_x509parse.function +++ b/tests/suites/test_suite_x509parse.function @@ -301,6 +301,20 @@ int verify_parse_san( mbedtls_x509_subject_alternative_name *san, return( 0 ); } + +int parse_crt_ext_cb( void *p_ctx, mbedtls_x509_crt const *crt, mbedtls_x509_buf const *oid, + int critical, const unsigned char *p, const unsigned char *end ) +{ + ( void ) crt; + ( void ) p; + ( void ) end; + ( void ) critical; + mbedtls_x509_buf *new_oid = (mbedtls_x509_buf *)p_ctx; + if( new_oid == NULL || new_oid->tag != oid->tag || new_oid->len != oid->len || + memcmp(new_oid->p, oid->p, oid->len) != 0 ) + return( MBEDTLS_ERR_X509_INVALID_EXTENSIONS + MBEDTLS_ERR_ASN1_UNEXPECTED_TAG ); + return( 0 ); +} #endif /* MBEDTLS_X509_CRT_PARSE_C */ /* END_HEADER */ @@ -771,6 +785,82 @@ void x509parse_crt( data_t * buf, char * result_str, int result ) TEST_ASSERT( strcmp( (char *) output, result_str ) == 0 ); } + mbedtls_x509_crt_free( &crt ); + mbedtls_x509_crt_init( &crt ); + memset( output, 0, 2000 ); + + TEST_ASSERT( mbedtls_x509_crt_parse_der_with_ext_cb( &crt, buf->x, buf->len, 0, NULL, NULL ) == ( result ) ); + if( ( result ) == 0 ) + { + res = mbedtls_x509_crt_info( (char *) output, 2000, "", &crt ); + + TEST_ASSERT( res != -1 ); + TEST_ASSERT( res != -2 ); + + TEST_ASSERT( strcmp( (char *) output, result_str ) == 0 ); + } + + mbedtls_x509_crt_free( &crt ); + mbedtls_x509_crt_init( &crt ); + memset( output, 0, 2000 ); + + TEST_ASSERT( mbedtls_x509_crt_parse_der_with_ext_cb( &crt, buf->x, buf->len, 1, NULL, NULL ) == ( result ) ); + if( ( result ) == 0 ) + { + res = mbedtls_x509_crt_info( (char *) output, 2000, "", &crt ); + + TEST_ASSERT( res != -1 ); + TEST_ASSERT( res != -2 ); + + TEST_ASSERT( strcmp( (char *) output, result_str ) == 0 ); + } + +exit: + mbedtls_x509_crt_free( &crt ); +} +/* END_CASE */ + +/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C */ +void x509parse_crt_cb( data_t * buf, char * result_str, int result ) +{ + mbedtls_x509_crt crt; + mbedtls_x509_buf oid; + unsigned char output[2000]; + int res; + + oid.tag = MBEDTLS_ASN1_OID; + oid.len = MBEDTLS_OID_SIZE(MBEDTLS_OID_PKIX "\x01\x1F"); + oid.p = (unsigned char *)MBEDTLS_OID_PKIX "\x01\x1F"; + + mbedtls_x509_crt_init( &crt ); + memset( output, 0, 2000 ); + + TEST_ASSERT( mbedtls_x509_crt_parse_der_with_ext_cb( &crt, buf->x, buf->len, 0, parse_crt_ext_cb, &oid ) == ( result ) ); + if( ( result ) == 0 ) + { + res = mbedtls_x509_crt_info( (char *) output, 2000, "", &crt ); + + TEST_ASSERT( res != -1 ); + TEST_ASSERT( res != -2 ); + + TEST_ASSERT( strcmp( (char *) output, result_str ) == 0 ); + } + + mbedtls_x509_crt_free( &crt ); + mbedtls_x509_crt_init( &crt ); + memset( output, 0, 2000 ); + + TEST_ASSERT( mbedtls_x509_crt_parse_der_with_ext_cb( &crt, buf->x, buf->len, 1, parse_crt_ext_cb, &oid ) == ( result ) ); + if( ( result ) == 0 ) + { + res = mbedtls_x509_crt_info( (char *) output, 2000, "", &crt ); + + TEST_ASSERT( res != -1 ); + TEST_ASSERT( res != -2 ); + + TEST_ASSERT( strcmp( (char *) output, result_str ) == 0 ); + } + exit: mbedtls_x509_crt_free( &crt ); }