Fix checksum on symlinks (freebsd#1441)

mmokhi · Jun 22, 2016 · 1b23a90 · 1b23a90
1 parent 830eab2
commit 1b23a90
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/libpkg/pkg_checksum.c b/libpkg/pkg_checksum.c
@@ -690,13 +690,17 @@ pkg_checksum_symlink_readlink(const char *linkbuf, int linklen, const char *root
 	lnk = linkbuf;
 	if (root != NULL) {
 		/* Skip root from checksum, as it is meaningless */
-		if (strncmp(root, linkbuf, strlen(root)) == 0)
+		if (strncmp(root, linkbuf, strlen(root)) == 0) {
 			lnk += strlen(root);
+			linklen -= strlen(root);
+		}
 	}
 
 	/* Skip heading slashes */
-	while(*lnk == '/')
+	while(*lnk == '/') {
 		lnk++;
+		linklen--;
+	}
 
 	return (pkg_checksum_data(lnk, linklen, type));
 }