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-rw-r--r--source4/dsdb/samdb/ldb_modules/simple_ldap_map.c2
-rw-r--r--source4/dsdb/schema/schema_syntax.c4
-rw-r--r--source4/lib/ldb-samba/ldif_handlers.c4
3 files changed, 9 insertions, 1 deletions
diff --git a/source4/dsdb/samdb/ldb_modules/simple_ldap_map.c b/source4/dsdb/samdb/ldb_modules/simple_ldap_map.c
index 8fb639f53f..21b80dccbf 100644
--- a/source4/dsdb/samdb/ldb_modules/simple_ldap_map.c
+++ b/source4/dsdb/samdb/ldb_modules/simple_ldap_map.c
@@ -147,6 +147,8 @@ static struct ldb_val objectCategory_always_dn(struct ldb_module *module, TALLOC
static struct ldb_val normalise_to_signed32(struct ldb_module *module, TALLOC_CTX *ctx, const struct ldb_val *val)
{
struct ldb_val out;
+ /* We've to use "strtoll" here to have the intended overflows.
+ * Otherwise we may get "LONG_MAX" and the conversion is wrong. */
int32_t i = (int32_t) strtoll((char *)val->data, NULL, 0);
out = data_blob_string_const(talloc_asprintf(ctx, "%d", i));
return out;
diff --git a/source4/dsdb/schema/schema_syntax.c b/source4/dsdb/schema/schema_syntax.c
index c26b407c1f..6159ab48b1 100644
--- a/source4/dsdb/schema/schema_syntax.c
+++ b/source4/dsdb/schema/schema_syntax.c
@@ -234,7 +234,9 @@ static WERROR dsdb_syntax_INT32_ldb_to_drsuapi(struct ldb_context *ldb,
blobs[i] = data_blob_talloc(blobs, NULL, 4);
W_ERROR_HAVE_NO_MEMORY(blobs[i].data);
- v = strtol((const char *)in->values[i].data, NULL, 10);
+ /* We've to use "strtoll" here to have the intended overflows.
+ * Otherwise we may get "LONG_MAX" and the conversion is wrong. */
+ v = strtoll((const char *)in->values[i].data, NULL, 0);
SIVALS(blobs[i].data, 0, v);
}
diff --git a/source4/lib/ldb-samba/ldif_handlers.c b/source4/lib/ldb-samba/ldif_handlers.c
index acf8af7917..708643011b 100644
--- a/source4/lib/ldb-samba/ldif_handlers.c
+++ b/source4/lib/ldb-samba/ldif_handlers.c
@@ -649,6 +649,8 @@ static int ldif_canonicalise_int32(struct ldb_context *ldb, void *mem_ctx,
const struct ldb_val *in, struct ldb_val *out)
{
char *end;
+ /* We've to use "strtoll" here to have the intended overflows.
+ * Otherwise we may get "LONG_MAX" and the conversion is wrong. */
int32_t i = (int32_t) strtoll((char *)in->data, &end, 0);
if (*end != 0) {
return -1;
@@ -665,6 +667,8 @@ static int ldif_canonicalise_int32(struct ldb_context *ldb, void *mem_ctx,
static int ldif_comparison_int32(struct ldb_context *ldb, void *mem_ctx,
const struct ldb_val *v1, const struct ldb_val *v2)
{
+ /* We've to use "strtoll" here to have the intended overflows.
+ * Otherwise we may get "LONG_MAX" and the conversion is wrong. */
return (int32_t) strtoll((char *)v1->data, NULL, 0)
- (int32_t) strtoll((char *)v2->data, NULL, 0);
}