diff options
| -rw-r--r-- | source4/lib/ldb/common/ldb_dn.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/source4/lib/ldb/common/ldb_dn.c b/source4/lib/ldb/common/ldb_dn.c index d905f47040..af00ef96f3 100644 --- a/source4/lib/ldb/common/ldb_dn.c +++ b/source4/lib/ldb/common/ldb_dn.c @@ -103,6 +103,11 @@ struct ldb_dn *ldb_dn_from_ldb_val(void *mem_ctx, dn->ext_linearized = talloc_strndup(dn, data, length); LDB_DN_NULL_FAILED(dn->ext_linearized); + if (strlen(data) != length) { + /* The RDN must not contain a character with value 0x0 */ + return NULL; + } + if (data[0] == '<') { const char *p_save, *p = dn->ext_linearized; do { @@ -231,6 +236,9 @@ char *ldb_dn_escape_value(void *mem_ctx, struct ldb_val value) /* explode a DN string into a ldb_dn structure based on RFC4514 except that we don't support multiple valued RDNs + + TODO: according to MS-ADTS:3.1.1.5.2 Naming Constraints + DN must be compliant with RFC2253 */ static bool ldb_dn_explode(struct ldb_dn *dn) { @@ -264,6 +272,11 @@ static bool ldb_dn_explode(struct ldb_dn *dn) return false; } + /* The RDN size must be less than 255 characters */ + if (strlen(parse_dn) > 255) { + return false; + } + /* Empty DNs */ if (parse_dn[0] == '\0') { return true; |