2 files changed, 18 insertions, 1 deletions

diff --git a/src/bplist.c b/src/bplist.c
index 254c0ff..8d50f2e 100644
--- a/src/bplist.c
+++ b/src/bplist.c
@@ -831,7 +831,7 @@ static plist_t parse_bin_node_at_index(struct bplist_data *bplist, uint32_t node
             void *node_level = ptr_array_index(bplist->used_indexes, bplist->level);
             if (node_i == node_level) {
                 PLIST_BIN_ERR("recursion detected in binary plist\n");
-                bplist->err = PLIST_ERR_PARSE;
+                bplist->err = PLIST_ERR_CIRCULAR_REF;
                 return NULL;
             }
         }
diff --git a/tools/plistutil.c b/tools/plistutil.c
index 7e4eb67..c984da2 100644
--- a/tools/plistutil.c
+++ b/tools/plistutil.c
@@ -357,6 +357,14 @@ int main(int argc, char *argv[])
         switch (output_res) {
             case PLIST_ERR_SUCCESS:
                 break;
+            case PLIST_ERR_CIRCULAR_REF:
+                fprintf(stderr, "ERROR: Circular reference detected.\n");
+                ret = 5;
+                break;
+            case PLIST_ERR_MAX_NESTING:
+                fprintf(stderr, "ERROR: Output plist data exceeds maximum nesting depth.\n");
+                ret = 4;
+                break;
             case PLIST_ERR_FORMAT:
                 fprintf(stderr, "ERROR: Input plist data is not compatible with output format.\n");
                 ret = 2;
@@ -364,6 +372,7 @@ int main(int argc, char *argv[])
             default:
                 fprintf(stderr, "ERROR: Failed to convert plist data (%d)\n", output_res);
                 ret = 1;
+                break;
         }
     } else {
         switch (input_res) {
@@ -375,6 +384,14 @@ int main(int argc, char *argv[])
                 }
                 ret = 3;
                 break;
+            case PLIST_ERR_CIRCULAR_REF:
+                fprintf(stderr, "ERROR: Circular reference detected in input plist data.\n");
+                ret = 5;
+                break;
+            case PLIST_ERR_MAX_NESTING:
+                fprintf(stderr, "ERROR: Input plist data exceeds maximum nesting depth.\n");
+                ret = 4;
+                break;
             default:
                 fprintf(stderr, "ERROR: Could not parse plist data (%d)\n", input_res);
                 ret = 1;