diff options
Diffstat (limited to 'source4/lib/ldb/common/ldb_attributes.c')
| -rw-r--r-- | source4/lib/ldb/common/ldb_attributes.c | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/source4/lib/ldb/common/ldb_attributes.c b/source4/lib/ldb/common/ldb_attributes.c index effd93ae26..747f241781 100644 --- a/source4/lib/ldb/common/ldb_attributes.c +++ b/source4/lib/ldb/common/ldb_attributes.c @@ -51,6 +51,10 @@ int ldb_schema_attribute_add_with_syntax(struct ldb_context *ldb, int i, n; struct ldb_schema_attribute *a; + if (!syntax) { + return LDB_ERR_OPERATIONS_ERROR; + } + n = ldb->schema.num_attributes + 1; a = talloc_realloc(ldb, ldb->schema.attributes, @@ -62,11 +66,24 @@ int ldb_schema_attribute_add_with_syntax(struct ldb_context *ldb, ldb->schema.attributes = a; for (i = 0; i < ldb->schema.num_attributes; i++) { - if (ldb_attr_cmp(attribute, a[i].name) < 0) { + int cmp = ldb_attr_cmp(attribute, a[i].name); + if (cmp == 0) { + /* silently ignore attempts to overwrite fixed attributes */ + if (a[i].flags & LDB_ATTR_FLAG_FIXED) { + return 0; + } + if (a[i].flags & LDB_ATTR_FLAG_ALLOCATED) { + talloc_free(discard_const_p(char, a[i].name)); + } + /* To cancel out increment below */ + ldb->schema.num_attributes--; + break; + } else if (cmp < 0) { memmove(a+i+1, a+i, sizeof(*a) * (ldb->schema.num_attributes-i)); break; } } + ldb->schema.num_attributes++; a[i].name = attribute; a[i].flags = flags; @@ -80,7 +97,6 @@ int ldb_schema_attribute_add_with_syntax(struct ldb_context *ldb, } } - ldb->schema.num_attributes++; return 0; } @@ -145,7 +161,12 @@ void ldb_schema_attribute_remove(struct ldb_context *ldb, const char *name) int i; a = ldb_schema_attribute_by_name(ldb, name); - if (a == NULL) { + if (a == NULL || a->name == NULL) { + return; + } + + /* FIXED attributes are never removed */ + if (a->flags & LDB_ATTR_FLAG_FIXED) { return; } |