diff options
Diffstat (limited to 'lib/util/asn1.h')
| -rw-r--r-- | lib/util/asn1.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/lib/util/asn1.h b/lib/util/asn1.h index ddd69863574..de92a767f14 100644 --- a/lib/util/asn1.h +++ b/lib/util/asn1.h @@ -45,7 +45,14 @@ typedef struct asn1_data ASN1_DATA; #define ASN1_MAX_OIDS 20 -struct asn1_data *asn1_init(TALLOC_CTX *mem_ctx); +/* + * The maximum permitted depth for an ASN.1 parse tree, the limit is chosen + * to align with the value for windows. Note that this value will trigger + * ASAN stack overflow errors. + */ +#define ASN1_MAX_TREE_DEPTH 512 + +struct asn1_data *asn1_init(TALLOC_CTX *mem_ctx, unsigned max_depth); void asn1_free(struct asn1_data *data); bool asn1_has_error(const struct asn1_data *data); void asn1_set_error(struct asn1_data *data); @@ -99,5 +106,6 @@ bool asn1_extract_blob(struct asn1_data *asn1, TALLOC_CTX *mem_ctx, DATA_BLOB *pblob); void asn1_load_nocopy(struct asn1_data *data, uint8_t *buf, size_t len); int asn1_peek_full_tag(DATA_BLOB blob, uint8_t tag, size_t *packet_size); +size_t asn1_get_length(const struct asn1_data *asn1); #endif /* _ASN_1_H */ |