rgw: GetObjAttrs enforces MaxSize and returns correct IsTruncated

Signed-off-by: Casey Bodley <[email protected]>

Author: cbodley

src/rgw/driver/rados/rgw_sal_rados.cc

@@ -2527,6 +2527,11 @@ int RadosObject::list_parts(const DoutPrefixProvider* dpp, CephContext* cct,
       continue;
     }
 
+    if (max_parts < 1) {
+      *truncated = true;
+      break;
+    }
+
     /* get_part_obj_state alters the passed manifest** to point to a part
      * manifest, which we don't want to leak out here */
     RGWObjManifest* obj_m = manifest;
@@ -2563,6 +2568,7 @@ int RadosObject::list_parts(const DoutPrefixProvider* dpp, CephContext* cct,
 
     each_func(obj_part);
     *next_marker = ++marker;
+    --max_parts;
   } /* each part */
 
   return ret;

src/rgw/rgw_op.h

@@ -1651,7 +1651,7 @@ class RGWGetObjAttrs : public RGWGetObj {
   std::string version_id;
   std::string expected_bucket_owner;
   int marker{0};
-  int max_parts{0};
+  int max_parts{1000};
   uint16_t requested_attributes{0};
 #if 0
   /* used to decrypt attributes for objects stored with SSE-C */