diff options
Diffstat (limited to 'thirdparty/mbedtls/library/x509_crl.c')
-rw-r--r-- | thirdparty/mbedtls/library/x509_crl.c | 606 |
1 files changed, 293 insertions, 313 deletions
diff --git a/thirdparty/mbedtls/library/x509_crl.c b/thirdparty/mbedtls/library/x509_crl.c index b943a8d6da..d5357ea4e8 100644 --- a/thirdparty/mbedtls/library/x509_crl.c +++ b/thirdparty/mbedtls/library/x509_crl.c @@ -59,24 +59,22 @@ /* * Version ::= INTEGER { v1(0), v2(1) } */ -static int x509_crl_get_version( unsigned char **p, - const unsigned char *end, - int *ver ) +static int x509_crl_get_version(unsigned char **p, + const unsigned char *end, + int *ver) { int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; - if( ( ret = mbedtls_asn1_get_int( p, end, ver ) ) != 0 ) - { - if( ret == MBEDTLS_ERR_ASN1_UNEXPECTED_TAG ) - { + if ((ret = mbedtls_asn1_get_int(p, end, ver)) != 0) { + if (ret == MBEDTLS_ERR_ASN1_UNEXPECTED_TAG) { *ver = 0; - return( 0 ); + return 0; } - return( MBEDTLS_ERROR_ADD( MBEDTLS_ERR_X509_INVALID_VERSION, ret ) ); + return MBEDTLS_ERROR_ADD(MBEDTLS_ERR_X509_INVALID_VERSION, ret); } - return( 0 ); + return 0; } /* @@ -86,26 +84,27 @@ static int x509_crl_get_version( unsigned char **p, * list of extensions is well-formed and abort on critical extensions (that * are unsupported as we don't support any extension so far) */ -static int x509_get_crl_ext( unsigned char **p, - const unsigned char *end, - mbedtls_x509_buf *ext ) +static int x509_get_crl_ext(unsigned char **p, + const unsigned char *end, + mbedtls_x509_buf *ext) { int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; - if( *p == end ) - return( 0 ); + if (*p == end) { + return 0; + } /* * crlExtensions [0] EXPLICIT Extensions OPTIONAL * -- if present, version MUST be v2 */ - if( ( ret = mbedtls_x509_get_ext( p, end, ext, 0 ) ) != 0 ) - return( ret ); + if ((ret = mbedtls_x509_get_ext(p, end, ext, 0)) != 0) { + return ret; + } end = ext->p + ext->len; - while( *p < end ) - { + while (*p < end) { /* * Extension ::= SEQUENCE { * extnID OBJECT IDENTIFIER, @@ -117,65 +116,69 @@ static int x509_get_crl_ext( unsigned char **p, size_t len; /* Get enclosing sequence tag */ - if( ( ret = mbedtls_asn1_get_tag( p, end, &len, - MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE ) ) != 0 ) - return( MBEDTLS_ERROR_ADD( MBEDTLS_ERR_X509_INVALID_EXTENSIONS, ret ) ); + if ((ret = mbedtls_asn1_get_tag(p, end, &len, + MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE)) != 0) { + return MBEDTLS_ERROR_ADD(MBEDTLS_ERR_X509_INVALID_EXTENSIONS, ret); + } end_ext_data = *p + len; /* Get OID (currently ignored) */ - if( ( ret = mbedtls_asn1_get_tag( p, end_ext_data, &len, - MBEDTLS_ASN1_OID ) ) != 0 ) - { - return( MBEDTLS_ERROR_ADD( MBEDTLS_ERR_X509_INVALID_EXTENSIONS, ret ) ); + if ((ret = mbedtls_asn1_get_tag(p, end_ext_data, &len, + MBEDTLS_ASN1_OID)) != 0) { + return MBEDTLS_ERROR_ADD(MBEDTLS_ERR_X509_INVALID_EXTENSIONS, ret); } *p += len; /* Get optional critical */ - if( ( ret = mbedtls_asn1_get_bool( p, end_ext_data, - &is_critical ) ) != 0 && - ( ret != MBEDTLS_ERR_ASN1_UNEXPECTED_TAG ) ) - { - return( MBEDTLS_ERROR_ADD( MBEDTLS_ERR_X509_INVALID_EXTENSIONS, ret ) ); + if ((ret = mbedtls_asn1_get_bool(p, end_ext_data, + &is_critical)) != 0 && + (ret != MBEDTLS_ERR_ASN1_UNEXPECTED_TAG)) { + return MBEDTLS_ERROR_ADD(MBEDTLS_ERR_X509_INVALID_EXTENSIONS, ret); } /* Data should be octet string type */ - if( ( ret = mbedtls_asn1_get_tag( p, end_ext_data, &len, - MBEDTLS_ASN1_OCTET_STRING ) ) != 0 ) - return( MBEDTLS_ERROR_ADD( MBEDTLS_ERR_X509_INVALID_EXTENSIONS, ret ) ); + if ((ret = mbedtls_asn1_get_tag(p, end_ext_data, &len, + MBEDTLS_ASN1_OCTET_STRING)) != 0) { + return MBEDTLS_ERROR_ADD(MBEDTLS_ERR_X509_INVALID_EXTENSIONS, ret); + } /* Ignore data so far and just check its length */ *p += len; - if( *p != end_ext_data ) - return( MBEDTLS_ERROR_ADD( MBEDTLS_ERR_X509_INVALID_EXTENSIONS, - MBEDTLS_ERR_ASN1_LENGTH_MISMATCH ) ); + if (*p != end_ext_data) { + return MBEDTLS_ERROR_ADD(MBEDTLS_ERR_X509_INVALID_EXTENSIONS, + MBEDTLS_ERR_ASN1_LENGTH_MISMATCH); + } /* Abort on (unsupported) critical extensions */ - if( is_critical ) - return( MBEDTLS_ERROR_ADD( MBEDTLS_ERR_X509_INVALID_EXTENSIONS, - MBEDTLS_ERR_ASN1_UNEXPECTED_TAG ) ); + if (is_critical) { + return MBEDTLS_ERROR_ADD(MBEDTLS_ERR_X509_INVALID_EXTENSIONS, + MBEDTLS_ERR_ASN1_UNEXPECTED_TAG); + } } - if( *p != end ) - return( MBEDTLS_ERROR_ADD( MBEDTLS_ERR_X509_INVALID_EXTENSIONS, - MBEDTLS_ERR_ASN1_LENGTH_MISMATCH ) ); + if (*p != end) { + return MBEDTLS_ERROR_ADD(MBEDTLS_ERR_X509_INVALID_EXTENSIONS, + MBEDTLS_ERR_ASN1_LENGTH_MISMATCH); + } - return( 0 ); + return 0; } /* * X.509 CRL v2 entry extensions (no extensions parsed yet.) */ -static int x509_get_crl_entry_ext( unsigned char **p, - const unsigned char *end, - mbedtls_x509_buf *ext ) +static int x509_get_crl_entry_ext(unsigned char **p, + const unsigned char *end, + mbedtls_x509_buf *ext) { int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; size_t len = 0; /* OPTIONAL */ - if( end <= *p ) - return( 0 ); + if (end <= *p) { + return 0; + } ext->tag = **p; ext->p = *p; @@ -184,110 +187,112 @@ static int x509_get_crl_entry_ext( unsigned char **p, * Get CRL-entry extension sequence header * crlEntryExtensions Extensions OPTIONAL -- if present, MUST be v2 */ - if( ( ret = mbedtls_asn1_get_tag( p, end, &ext->len, - MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE ) ) != 0 ) - { - if( ret == MBEDTLS_ERR_ASN1_UNEXPECTED_TAG ) - { + if ((ret = mbedtls_asn1_get_tag(p, end, &ext->len, + MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE)) != 0) { + if (ret == MBEDTLS_ERR_ASN1_UNEXPECTED_TAG) { ext->p = NULL; - return( 0 ); + return 0; } - return( MBEDTLS_ERROR_ADD( MBEDTLS_ERR_X509_INVALID_EXTENSIONS, ret ) ); + return MBEDTLS_ERROR_ADD(MBEDTLS_ERR_X509_INVALID_EXTENSIONS, ret); } end = *p + ext->len; - if( end != *p + ext->len ) - return( MBEDTLS_ERROR_ADD( MBEDTLS_ERR_X509_INVALID_EXTENSIONS, - MBEDTLS_ERR_ASN1_LENGTH_MISMATCH ) ); + if (end != *p + ext->len) { + return MBEDTLS_ERROR_ADD(MBEDTLS_ERR_X509_INVALID_EXTENSIONS, + MBEDTLS_ERR_ASN1_LENGTH_MISMATCH); + } - while( *p < end ) - { - if( ( ret = mbedtls_asn1_get_tag( p, end, &len, - MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE ) ) != 0 ) - return( MBEDTLS_ERROR_ADD( MBEDTLS_ERR_X509_INVALID_EXTENSIONS, ret ) ); + while (*p < end) { + if ((ret = mbedtls_asn1_get_tag(p, end, &len, + MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE)) != 0) { + return MBEDTLS_ERROR_ADD(MBEDTLS_ERR_X509_INVALID_EXTENSIONS, ret); + } *p += len; } - if( *p != end ) - return( MBEDTLS_ERROR_ADD( MBEDTLS_ERR_X509_INVALID_EXTENSIONS, - MBEDTLS_ERR_ASN1_LENGTH_MISMATCH ) ); + if (*p != end) { + return MBEDTLS_ERROR_ADD(MBEDTLS_ERR_X509_INVALID_EXTENSIONS, + MBEDTLS_ERR_ASN1_LENGTH_MISMATCH); + } - return( 0 ); + return 0; } /* * X.509 CRL Entries */ -static int x509_get_entries( unsigned char **p, - const unsigned char *end, - mbedtls_x509_crl_entry *entry ) +static int x509_get_entries(unsigned char **p, + const unsigned char *end, + mbedtls_x509_crl_entry *entry) { int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; size_t entry_len; mbedtls_x509_crl_entry *cur_entry = entry; - if( *p == end ) - return( 0 ); + if (*p == end) { + return 0; + } - if( ( ret = mbedtls_asn1_get_tag( p, end, &entry_len, - MBEDTLS_ASN1_SEQUENCE | MBEDTLS_ASN1_CONSTRUCTED ) ) != 0 ) - { - if( ret == MBEDTLS_ERR_ASN1_UNEXPECTED_TAG ) - return( 0 ); + if ((ret = mbedtls_asn1_get_tag(p, end, &entry_len, + MBEDTLS_ASN1_SEQUENCE | MBEDTLS_ASN1_CONSTRUCTED)) != 0) { + if (ret == MBEDTLS_ERR_ASN1_UNEXPECTED_TAG) { + return 0; + } - return( ret ); + return ret; } end = *p + entry_len; - while( *p < end ) - { + while (*p < end) { size_t len2; const unsigned char *end2; cur_entry->raw.tag = **p; - if( ( ret = mbedtls_asn1_get_tag( p, end, &len2, - MBEDTLS_ASN1_SEQUENCE | MBEDTLS_ASN1_CONSTRUCTED ) ) != 0 ) - { - return( ret ); + if ((ret = mbedtls_asn1_get_tag(p, end, &len2, + MBEDTLS_ASN1_SEQUENCE | MBEDTLS_ASN1_CONSTRUCTED)) != 0) { + return ret; } cur_entry->raw.p = *p; cur_entry->raw.len = len2; end2 = *p + len2; - if( ( ret = mbedtls_x509_get_serial( p, end2, &cur_entry->serial ) ) != 0 ) - return( ret ); + if ((ret = mbedtls_x509_get_serial(p, end2, &cur_entry->serial)) != 0) { + return ret; + } - if( ( ret = mbedtls_x509_get_time( p, end2, - &cur_entry->revocation_date ) ) != 0 ) - return( ret ); + if ((ret = mbedtls_x509_get_time(p, end2, + &cur_entry->revocation_date)) != 0) { + return ret; + } - if( ( ret = x509_get_crl_entry_ext( p, end2, - &cur_entry->entry_ext ) ) != 0 ) - return( ret ); + if ((ret = x509_get_crl_entry_ext(p, end2, + &cur_entry->entry_ext)) != 0) { + return ret; + } - if( *p < end ) - { - cur_entry->next = mbedtls_calloc( 1, sizeof( mbedtls_x509_crl_entry ) ); + if (*p < end) { + cur_entry->next = mbedtls_calloc(1, sizeof(mbedtls_x509_crl_entry)); - if( cur_entry->next == NULL ) - return( MBEDTLS_ERR_X509_ALLOC_FAILED ); + if (cur_entry->next == NULL) { + return MBEDTLS_ERR_X509_ALLOC_FAILED; + } cur_entry = cur_entry->next; } } - return( 0 ); + return 0; } /* * Parse one CRLs in DER format and append it to the chained list */ -int mbedtls_x509_crl_parse_der( mbedtls_x509_crl *chain, - const unsigned char *buf, size_t buflen ) +int mbedtls_x509_crl_parse_der(mbedtls_x509_crl *chain, + const unsigned char *buf, size_t buflen) { int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; size_t len; @@ -298,44 +303,46 @@ int mbedtls_x509_crl_parse_der( mbedtls_x509_crl *chain, /* * Check for valid input */ - if( crl == NULL || buf == NULL ) - return( MBEDTLS_ERR_X509_BAD_INPUT_DATA ); + if (crl == NULL || buf == NULL) { + return MBEDTLS_ERR_X509_BAD_INPUT_DATA; + } - memset( &sig_params1, 0, sizeof( mbedtls_x509_buf ) ); - memset( &sig_params2, 0, sizeof( mbedtls_x509_buf ) ); - memset( &sig_oid2, 0, sizeof( mbedtls_x509_buf ) ); + memset(&sig_params1, 0, sizeof(mbedtls_x509_buf)); + memset(&sig_params2, 0, sizeof(mbedtls_x509_buf)); + memset(&sig_oid2, 0, sizeof(mbedtls_x509_buf)); /* * Add new CRL on the end of the chain if needed. */ - while( crl->version != 0 && crl->next != NULL ) + while (crl->version != 0 && crl->next != NULL) { crl = crl->next; + } - if( crl->version != 0 && crl->next == NULL ) - { - crl->next = mbedtls_calloc( 1, sizeof( mbedtls_x509_crl ) ); + if (crl->version != 0 && crl->next == NULL) { + crl->next = mbedtls_calloc(1, sizeof(mbedtls_x509_crl)); - if( crl->next == NULL ) - { - mbedtls_x509_crl_free( crl ); - return( MBEDTLS_ERR_X509_ALLOC_FAILED ); + if (crl->next == NULL) { + mbedtls_x509_crl_free(crl); + return MBEDTLS_ERR_X509_ALLOC_FAILED; } - mbedtls_x509_crl_init( crl->next ); + mbedtls_x509_crl_init(crl->next); crl = crl->next; } /* * Copy raw DER-encoded CRL */ - if( buflen == 0 ) - return( MBEDTLS_ERR_X509_INVALID_FORMAT ); + if (buflen == 0) { + return MBEDTLS_ERR_X509_INVALID_FORMAT; + } - p = mbedtls_calloc( 1, buflen ); - if( p == NULL ) - return( MBEDTLS_ERR_X509_ALLOC_FAILED ); + p = mbedtls_calloc(1, buflen); + if (p == NULL) { + return MBEDTLS_ERR_X509_ALLOC_FAILED; + } - memcpy( p, buf, buflen ); + memcpy(p, buf, buflen); crl->raw.p = p; crl->raw.len = buflen; @@ -348,18 +355,16 @@ int mbedtls_x509_crl_parse_der( mbedtls_x509_crl *chain, * signatureAlgorithm AlgorithmIdentifier, * signatureValue BIT STRING } */ - if( ( ret = mbedtls_asn1_get_tag( &p, end, &len, - MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE ) ) != 0 ) - { - mbedtls_x509_crl_free( crl ); - return( MBEDTLS_ERR_X509_INVALID_FORMAT ); + if ((ret = mbedtls_asn1_get_tag(&p, end, &len, + MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE)) != 0) { + mbedtls_x509_crl_free(crl); + return MBEDTLS_ERR_X509_INVALID_FORMAT; } - if( len != (size_t) ( end - p ) ) - { - mbedtls_x509_crl_free( crl ); - return( MBEDTLS_ERROR_ADD( MBEDTLS_ERR_X509_INVALID_FORMAT, - MBEDTLS_ERR_ASN1_LENGTH_MISMATCH ) ); + if (len != (size_t) (end - p)) { + mbedtls_x509_crl_free(crl); + return MBEDTLS_ERROR_ADD(MBEDTLS_ERR_X509_INVALID_FORMAT, + MBEDTLS_ERR_ASN1_LENGTH_MISMATCH); } /* @@ -367,11 +372,10 @@ int mbedtls_x509_crl_parse_der( mbedtls_x509_crl *chain, */ crl->tbs.p = p; - if( ( ret = mbedtls_asn1_get_tag( &p, end, &len, - MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE ) ) != 0 ) - { - mbedtls_x509_crl_free( crl ); - return( MBEDTLS_ERROR_ADD( MBEDTLS_ERR_X509_INVALID_FORMAT, ret ) ); + if ((ret = mbedtls_asn1_get_tag(&p, end, &len, + MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE)) != 0) { + mbedtls_x509_crl_free(crl); + return MBEDTLS_ERROR_ADD(MBEDTLS_ERR_X509_INVALID_FORMAT, ret); } end = p + len; @@ -383,27 +387,24 @@ int mbedtls_x509_crl_parse_der( mbedtls_x509_crl *chain, * * signature AlgorithmIdentifier */ - if( ( ret = x509_crl_get_version( &p, end, &crl->version ) ) != 0 || - ( ret = mbedtls_x509_get_alg( &p, end, &crl->sig_oid, &sig_params1 ) ) != 0 ) - { - mbedtls_x509_crl_free( crl ); - return( ret ); + if ((ret = x509_crl_get_version(&p, end, &crl->version)) != 0 || + (ret = mbedtls_x509_get_alg(&p, end, &crl->sig_oid, &sig_params1)) != 0) { + mbedtls_x509_crl_free(crl); + return ret; } - if( crl->version < 0 || crl->version > 1 ) - { - mbedtls_x509_crl_free( crl ); - return( MBEDTLS_ERR_X509_UNKNOWN_VERSION ); + if (crl->version < 0 || crl->version > 1) { + mbedtls_x509_crl_free(crl); + return MBEDTLS_ERR_X509_UNKNOWN_VERSION; } crl->version++; - if( ( ret = mbedtls_x509_get_sig_alg( &crl->sig_oid, &sig_params1, - &crl->sig_md, &crl->sig_pk, - &crl->sig_opts ) ) != 0 ) - { - mbedtls_x509_crl_free( crl ); - return( MBEDTLS_ERR_X509_UNKNOWN_SIG_ALG ); + if ((ret = mbedtls_x509_get_sig_alg(&crl->sig_oid, &sig_params1, + &crl->sig_md, &crl->sig_pk, + &crl->sig_opts)) != 0) { + mbedtls_x509_crl_free(crl); + return MBEDTLS_ERR_X509_UNKNOWN_SIG_ALG; } /* @@ -411,17 +412,15 @@ int mbedtls_x509_crl_parse_der( mbedtls_x509_crl *chain, */ crl->issuer_raw.p = p; - if( ( ret = mbedtls_asn1_get_tag( &p, end, &len, - MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE ) ) != 0 ) - { - mbedtls_x509_crl_free( crl ); - return( MBEDTLS_ERROR_ADD( MBEDTLS_ERR_X509_INVALID_FORMAT, ret ) ); + if ((ret = mbedtls_asn1_get_tag(&p, end, &len, + MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE)) != 0) { + mbedtls_x509_crl_free(crl); + return MBEDTLS_ERROR_ADD(MBEDTLS_ERR_X509_INVALID_FORMAT, ret); } - if( ( ret = mbedtls_x509_get_name( &p, p + len, &crl->issuer ) ) != 0 ) - { - mbedtls_x509_crl_free( crl ); - return( ret ); + if ((ret = mbedtls_x509_get_name(&p, p + len, &crl->issuer)) != 0) { + mbedtls_x509_crl_free(crl); + return ret; } crl->issuer_raw.len = p - crl->issuer_raw.p; @@ -430,21 +429,18 @@ int mbedtls_x509_crl_parse_der( mbedtls_x509_crl *chain, * thisUpdate Time * nextUpdate Time OPTIONAL */ - if( ( ret = mbedtls_x509_get_time( &p, end, &crl->this_update ) ) != 0 ) - { - mbedtls_x509_crl_free( crl ); - return( ret ); - } - - if( ( ret = mbedtls_x509_get_time( &p, end, &crl->next_update ) ) != 0 ) - { - if( ret != ( MBEDTLS_ERROR_ADD( MBEDTLS_ERR_X509_INVALID_DATE, - MBEDTLS_ERR_ASN1_UNEXPECTED_TAG ) ) && - ret != ( MBEDTLS_ERROR_ADD( MBEDTLS_ERR_X509_INVALID_DATE, - MBEDTLS_ERR_ASN1_OUT_OF_DATA ) ) ) - { - mbedtls_x509_crl_free( crl ); - return( ret ); + if ((ret = mbedtls_x509_get_time(&p, end, &crl->this_update)) != 0) { + mbedtls_x509_crl_free(crl); + return ret; + } + + if ((ret = mbedtls_x509_get_time(&p, end, &crl->next_update)) != 0) { + if (ret != (MBEDTLS_ERROR_ADD(MBEDTLS_ERR_X509_INVALID_DATE, + MBEDTLS_ERR_ASN1_UNEXPECTED_TAG)) && + ret != (MBEDTLS_ERROR_ADD(MBEDTLS_ERR_X509_INVALID_DATE, + MBEDTLS_ERR_ASN1_OUT_OF_DATA))) { + mbedtls_x509_crl_free(crl); + return ret; } } @@ -456,32 +452,28 @@ int mbedtls_x509_crl_parse_der( mbedtls_x509_crl *chain, * -- if present, MUST be v2 * } OPTIONAL */ - if( ( ret = x509_get_entries( &p, end, &crl->entry ) ) != 0 ) - { - mbedtls_x509_crl_free( crl ); - return( ret ); + if ((ret = x509_get_entries(&p, end, &crl->entry)) != 0) { + mbedtls_x509_crl_free(crl); + return ret; } /* * crlExtensions EXPLICIT Extensions OPTIONAL * -- if present, MUST be v2 */ - if( crl->version == 2 ) - { - ret = x509_get_crl_ext( &p, end, &crl->crl_ext ); - - if( ret != 0 ) - { - mbedtls_x509_crl_free( crl ); - return( ret ); + if (crl->version == 2) { + ret = x509_get_crl_ext(&p, end, &crl->crl_ext); + + if (ret != 0) { + mbedtls_x509_crl_free(crl); + return ret; } } - if( p != end ) - { - mbedtls_x509_crl_free( crl ); - return( MBEDTLS_ERROR_ADD( MBEDTLS_ERR_X509_INVALID_FORMAT, - MBEDTLS_ERR_ASN1_LENGTH_MISMATCH ) ); + if (p != end) { + mbedtls_x509_crl_free(crl); + return MBEDTLS_ERROR_ADD(MBEDTLS_ERR_X509_INVALID_FORMAT, + MBEDTLS_ERR_ASN1_LENGTH_MISMATCH); } end = crl->raw.p + crl->raw.len; @@ -490,42 +482,38 @@ int mbedtls_x509_crl_parse_der( mbedtls_x509_crl *chain, * signatureAlgorithm AlgorithmIdentifier, * signatureValue BIT STRING */ - if( ( ret = mbedtls_x509_get_alg( &p, end, &sig_oid2, &sig_params2 ) ) != 0 ) - { - mbedtls_x509_crl_free( crl ); - return( ret ); + if ((ret = mbedtls_x509_get_alg(&p, end, &sig_oid2, &sig_params2)) != 0) { + mbedtls_x509_crl_free(crl); + return ret; } - if( crl->sig_oid.len != sig_oid2.len || - memcmp( crl->sig_oid.p, sig_oid2.p, crl->sig_oid.len ) != 0 || + if (crl->sig_oid.len != sig_oid2.len || + memcmp(crl->sig_oid.p, sig_oid2.p, crl->sig_oid.len) != 0 || sig_params1.len != sig_params2.len || - ( sig_params1.len != 0 && - memcmp( sig_params1.p, sig_params2.p, sig_params1.len ) != 0 ) ) - { - mbedtls_x509_crl_free( crl ); - return( MBEDTLS_ERR_X509_SIG_MISMATCH ); + (sig_params1.len != 0 && + memcmp(sig_params1.p, sig_params2.p, sig_params1.len) != 0)) { + mbedtls_x509_crl_free(crl); + return MBEDTLS_ERR_X509_SIG_MISMATCH; } - if( ( ret = mbedtls_x509_get_sig( &p, end, &crl->sig ) ) != 0 ) - { - mbedtls_x509_crl_free( crl ); - return( ret ); + if ((ret = mbedtls_x509_get_sig(&p, end, &crl->sig)) != 0) { + mbedtls_x509_crl_free(crl); + return ret; } - if( p != end ) - { - mbedtls_x509_crl_free( crl ); - return( MBEDTLS_ERROR_ADD( MBEDTLS_ERR_X509_INVALID_FORMAT, - MBEDTLS_ERR_ASN1_LENGTH_MISMATCH ) ); + if (p != end) { + mbedtls_x509_crl_free(crl); + return MBEDTLS_ERROR_ADD(MBEDTLS_ERR_X509_INVALID_FORMAT, + MBEDTLS_ERR_ASN1_LENGTH_MISMATCH); } - return( 0 ); + return 0; } /* * Parse one or more CRLs and add them to the chained list */ -int mbedtls_x509_crl_parse( mbedtls_x509_crl *chain, const unsigned char *buf, size_t buflen ) +int mbedtls_x509_crl_parse(mbedtls_x509_crl *chain, const unsigned char *buf, size_t buflen) { #if defined(MBEDTLS_PEM_PARSE_C) int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; @@ -533,25 +521,25 @@ int mbedtls_x509_crl_parse( mbedtls_x509_crl *chain, const unsigned char *buf, s mbedtls_pem_context pem; int is_pem = 0; - if( chain == NULL || buf == NULL ) - return( MBEDTLS_ERR_X509_BAD_INPUT_DATA ); + if (chain == NULL || buf == NULL) { + return MBEDTLS_ERR_X509_BAD_INPUT_DATA; + } - do - { - mbedtls_pem_init( &pem ); + do { + mbedtls_pem_init(&pem); // Avoid calling mbedtls_pem_read_buffer() on non-null-terminated // string - if( buflen == 0 || buf[buflen - 1] != '\0' ) + if (buflen == 0 || buf[buflen - 1] != '\0') { ret = MBEDTLS_ERR_PEM_NO_HEADER_FOOTER_PRESENT; - else - ret = mbedtls_pem_read_buffer( &pem, - "-----BEGIN X509 CRL-----", - "-----END X509 CRL-----", - buf, NULL, 0, &use_len ); - - if( ret == 0 ) - { + } else { + ret = mbedtls_pem_read_buffer(&pem, + "-----BEGIN X509 CRL-----", + "-----END X509 CRL-----", + buf, NULL, 0, &use_len); + } + + if (ret == 0) { /* * Was PEM encoded */ @@ -560,51 +548,49 @@ int mbedtls_x509_crl_parse( mbedtls_x509_crl *chain, const unsigned char *buf, s buflen -= use_len; buf += use_len; - if( ( ret = mbedtls_x509_crl_parse_der( chain, - pem.buf, pem.buflen ) ) != 0 ) - { - mbedtls_pem_free( &pem ); - return( ret ); + if ((ret = mbedtls_x509_crl_parse_der(chain, + pem.buf, pem.buflen)) != 0) { + mbedtls_pem_free(&pem); + return ret; } - } - else if( is_pem ) - { - mbedtls_pem_free( &pem ); - return( ret ); + } else if (is_pem) { + mbedtls_pem_free(&pem); + return ret; } - mbedtls_pem_free( &pem ); + mbedtls_pem_free(&pem); } /* In the PEM case, buflen is 1 at the end, for the terminated NULL byte. * And a valid CRL cannot be less than 1 byte anyway. */ - while( is_pem && buflen > 1 ); + while (is_pem && buflen > 1); - if( is_pem ) - return( 0 ); - else + if (is_pem) { + return 0; + } else #endif /* MBEDTLS_PEM_PARSE_C */ - return( mbedtls_x509_crl_parse_der( chain, buf, buflen ) ); + return mbedtls_x509_crl_parse_der(chain, buf, buflen); } #if defined(MBEDTLS_FS_IO) /* * Load one or more CRLs and add them to the chained list */ -int mbedtls_x509_crl_parse_file( mbedtls_x509_crl *chain, const char *path ) +int mbedtls_x509_crl_parse_file(mbedtls_x509_crl *chain, const char *path) { int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; size_t n; unsigned char *buf; - if( ( ret = mbedtls_pk_load_file( path, &buf, &n ) ) != 0 ) - return( ret ); + if ((ret = mbedtls_pk_load_file(path, &buf, &n)) != 0) { + return ret; + } - ret = mbedtls_x509_crl_parse( chain, buf, n ); + ret = mbedtls_x509_crl_parse(chain, buf, n); - mbedtls_platform_zeroize( buf, n ); - mbedtls_free( buf ); + mbedtls_platform_zeroize(buf, n); + mbedtls_free(buf); - return( ret ); + return ret; } #endif /* MBEDTLS_FS_IO */ @@ -616,8 +602,8 @@ int mbedtls_x509_crl_parse_file( mbedtls_x509_crl *chain, const char *path ) /* * Return an informational string about the CRL. */ -int mbedtls_x509_crl_info( char *buf, size_t size, const char *prefix, - const mbedtls_x509_crl *crl ) +int mbedtls_x509_crl_info(char *buf, size_t size, const char *prefix, + const mbedtls_x509_crl *crl) { int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; size_t n; @@ -627,79 +613,78 @@ int mbedtls_x509_crl_info( char *buf, size_t size, const char *prefix, p = buf; n = size; - ret = mbedtls_snprintf( p, n, "%sCRL version : %d", - prefix, crl->version ); + ret = mbedtls_snprintf(p, n, "%sCRL version : %d", + prefix, crl->version); MBEDTLS_X509_SAFE_SNPRINTF; - ret = mbedtls_snprintf( p, n, "\n%sissuer name : ", prefix ); + ret = mbedtls_snprintf(p, n, "\n%sissuer name : ", prefix); MBEDTLS_X509_SAFE_SNPRINTF; - ret = mbedtls_x509_dn_gets( p, n, &crl->issuer ); + ret = mbedtls_x509_dn_gets(p, n, &crl->issuer); MBEDTLS_X509_SAFE_SNPRINTF; - ret = mbedtls_snprintf( p, n, "\n%sthis update : " \ - "%04d-%02d-%02d %02d:%02d:%02d", prefix, - crl->this_update.year, crl->this_update.mon, - crl->this_update.day, crl->this_update.hour, - crl->this_update.min, crl->this_update.sec ); + ret = mbedtls_snprintf(p, n, "\n%sthis update : " \ + "%04d-%02d-%02d %02d:%02d:%02d", prefix, + crl->this_update.year, crl->this_update.mon, + crl->this_update.day, crl->this_update.hour, + crl->this_update.min, crl->this_update.sec); MBEDTLS_X509_SAFE_SNPRINTF; - ret = mbedtls_snprintf( p, n, "\n%snext update : " \ - "%04d-%02d-%02d %02d:%02d:%02d", prefix, - crl->next_update.year, crl->next_update.mon, - crl->next_update.day, crl->next_update.hour, - crl->next_update.min, crl->next_update.sec ); + ret = mbedtls_snprintf(p, n, "\n%snext update : " \ + "%04d-%02d-%02d %02d:%02d:%02d", prefix, + crl->next_update.year, crl->next_update.mon, + crl->next_update.day, crl->next_update.hour, + crl->next_update.min, crl->next_update.sec); MBEDTLS_X509_SAFE_SNPRINTF; entry = &crl->entry; - ret = mbedtls_snprintf( p, n, "\n%sRevoked certificates:", - prefix ); + ret = mbedtls_snprintf(p, n, "\n%sRevoked certificates:", + prefix); MBEDTLS_X509_SAFE_SNPRINTF; - while( entry != NULL && entry->raw.len != 0 ) - { - ret = mbedtls_snprintf( p, n, "\n%sserial number: ", - prefix ); + while (entry != NULL && entry->raw.len != 0) { + ret = mbedtls_snprintf(p, n, "\n%sserial number: ", + prefix); MBEDTLS_X509_SAFE_SNPRINTF; - ret = mbedtls_x509_serial_gets( p, n, &entry->serial ); + ret = mbedtls_x509_serial_gets(p, n, &entry->serial); MBEDTLS_X509_SAFE_SNPRINTF; - ret = mbedtls_snprintf( p, n, " revocation date: " \ - "%04d-%02d-%02d %02d:%02d:%02d", - entry->revocation_date.year, entry->revocation_date.mon, - entry->revocation_date.day, entry->revocation_date.hour, - entry->revocation_date.min, entry->revocation_date.sec ); + ret = mbedtls_snprintf(p, n, " revocation date: " \ + "%04d-%02d-%02d %02d:%02d:%02d", + entry->revocation_date.year, entry->revocation_date.mon, + entry->revocation_date.day, entry->revocation_date.hour, + entry->revocation_date.min, entry->revocation_date.sec); MBEDTLS_X509_SAFE_SNPRINTF; entry = entry->next; } - ret = mbedtls_snprintf( p, n, "\n%ssigned using : ", prefix ); + ret = mbedtls_snprintf(p, n, "\n%ssigned using : ", prefix); MBEDTLS_X509_SAFE_SNPRINTF; - ret = mbedtls_x509_sig_alg_gets( p, n, &crl->sig_oid, crl->sig_pk, crl->sig_md, - crl->sig_opts ); + ret = mbedtls_x509_sig_alg_gets(p, n, &crl->sig_oid, crl->sig_pk, crl->sig_md, + crl->sig_opts); MBEDTLS_X509_SAFE_SNPRINTF; - ret = mbedtls_snprintf( p, n, "\n" ); + ret = mbedtls_snprintf(p, n, "\n"); MBEDTLS_X509_SAFE_SNPRINTF; - return( (int) ( size - n ) ); + return (int) (size - n); } /* * Initialize a CRL chain */ -void mbedtls_x509_crl_init( mbedtls_x509_crl *crl ) +void mbedtls_x509_crl_init(mbedtls_x509_crl *crl) { - memset( crl, 0, sizeof(mbedtls_x509_crl) ); + memset(crl, 0, sizeof(mbedtls_x509_crl)); } /* * Unallocate all CRL data */ -void mbedtls_x509_crl_free( mbedtls_x509_crl *crl ) +void mbedtls_x509_crl_free(mbedtls_x509_crl *crl) { mbedtls_x509_crl *crl_cur = crl; mbedtls_x509_crl *crl_prv; @@ -708,55 +693,50 @@ void mbedtls_x509_crl_free( mbedtls_x509_crl *crl ) mbedtls_x509_crl_entry *entry_cur; mbedtls_x509_crl_entry *entry_prv; - if( crl == NULL ) + if (crl == NULL) { return; + } - do - { + do { #if defined(MBEDTLS_X509_RSASSA_PSS_SUPPORT) - mbedtls_free( crl_cur->sig_opts ); + mbedtls_free(crl_cur->sig_opts); #endif name_cur = crl_cur->issuer.next; - while( name_cur != NULL ) - { + while (name_cur != NULL) { name_prv = name_cur; name_cur = name_cur->next; - mbedtls_platform_zeroize( name_prv, sizeof( mbedtls_x509_name ) ); - mbedtls_free( name_prv ); + mbedtls_platform_zeroize(name_prv, sizeof(mbedtls_x509_name)); + mbedtls_free(name_prv); } entry_cur = crl_cur->entry.next; - while( entry_cur != NULL ) - { + while (entry_cur != NULL) { entry_prv = entry_cur; entry_cur = entry_cur->next; - mbedtls_platform_zeroize( entry_prv, - sizeof( mbedtls_x509_crl_entry ) ); - mbedtls_free( entry_prv ); + mbedtls_platform_zeroize(entry_prv, + sizeof(mbedtls_x509_crl_entry)); + mbedtls_free(entry_prv); } - if( crl_cur->raw.p != NULL ) - { - mbedtls_platform_zeroize( crl_cur->raw.p, crl_cur->raw.len ); - mbedtls_free( crl_cur->raw.p ); + if (crl_cur->raw.p != NULL) { + mbedtls_platform_zeroize(crl_cur->raw.p, crl_cur->raw.len); + mbedtls_free(crl_cur->raw.p); } crl_cur = crl_cur->next; - } - while( crl_cur != NULL ); + } while (crl_cur != NULL); crl_cur = crl; - do - { + do { crl_prv = crl_cur; crl_cur = crl_cur->next; - mbedtls_platform_zeroize( crl_prv, sizeof( mbedtls_x509_crl ) ); - if( crl_prv != crl ) - mbedtls_free( crl_prv ); - } - while( crl_cur != NULL ); + mbedtls_platform_zeroize(crl_prv, sizeof(mbedtls_x509_crl)); + if (crl_prv != crl) { + mbedtls_free(crl_prv); + } + } while (crl_cur != NULL); } #endif /* MBEDTLS_X509_CRL_PARSE_C */ |