input_file: refuse to open non-regular files

Don't allow users to open a file which is non-regular (e.g. pipes, devices).

input_file: refuse to open non-regular files
07bb46de · Max Kellermann · 84f7d9c6 · 07bb46de
Commit 07bb46de authored Oct 29, 2008 by Max Kellermann
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input_file.c src/input_file.c +7 -0

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--- a/src/input_file.c
+++ b/src/input_file.c
@@ -50,6 +50,13 @@ input_file_open(struct input_stream *is, const char *filename)
 		return false;
 	}

+	if (!S_ISREG(st.st_mode)) {
+		g_debug("Not a regular file: %s\n", filename);
+		is->error = EINVAL;
+		close(fd);
+		return false;
+	}
+
 	is->size = st.st_size;

 #ifdef POSIX_FADV_SEQUENTIAL