shithub: orca

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plan9: check file type before loading

--- a/plan9.c

+++ b/plan9.c

@@ -511,7 +511,14 @@

 static int

 fieldload(char *path)

 {

+	Dir *d;

 	Field_load_error e;

+

+	if ((d = dirstat(path)) == nil || d->length < 1 || (d->type & DMDIR) != 0) {

+		free(d);

+		werrstr("invalid orca file");

+		return -1;

+	}

 	if ((e = field_load_file(path, &field)) != Field_load_error_ok) {

 		werrstr(field_load_error_string(e));