From 01231ee43570d1de5f133a966b1d04bc68008b38 Mon Sep 17 00:00:00 2001
From: Patrick McDermott <patrick.mcdermott@libiquity.com>
Date: Fri, 12 May 2023 13:12:41 -0400
Subject: opk/read: Only extract and/or print regular files

---
diff --git a/src/opk/read.c b/src/opk/read.c
index 5341a96..768f64d 100644
--- a/src/opk/read.c
+++ b/src/opk/read.c
@@ -169,6 +169,18 @@ _opkg_opk_opk_read_control(struct opkg_opk_opk *opk)
 			continue;
 		}
 
+		/* Only extract and/or print regular files. */
+		if (member->type != '-') {
+			fputs(_("Error: Non-regular control files not supported"
+						"\n"), stderr);
+			free(member);
+			_opkg_opk_opk_read_free_inner(opk);
+			if (opk->control_dir != NULL) {
+				free(path);
+			}
+			return OPKG_OPK_ERROR;
+		}
+
 		/* Open file for extraction. */
 		if (opk->control_dir != NULL) {
 			if (sprintf(path, "%s/%s", opk->control_dir,
@@ -189,11 +201,13 @@ _opkg_opk_opk_read_control(struct opkg_opk_opk *opk)
 			}
 		}
 
+		/* List file. */
 		if (opk->list_control > 0) {
 			puts(buffer);
 			opk->previously_printed = 1;
 		}
 
+		/* Print file if requested. */
 		if (opk->print_control_head != NULL &&
 				_opkg_opk_opk_read_check_name(member->name,
 					&opk->print_control_head,
--
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