From: Michael Tremer <michael.tremer@ipfire.org>
Date: Thu, 12 Dec 2019 13:18:51 +0000 (+0000)
Subject: writer: Erase the padding
X-Git-Tag: 0.9.1~83
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=5e16483034c1d00fa2342c16f3ef721ea64c61c1;hp=a0cff45dd8be7a102de156e4f35f2ca08ba68139;p=people%2Fms%2Flibloc.git

writer: Erase the padding

We should not leak any data from the stack into the
database and this makes debugging easier, too.

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---

diff --git a/src/writer.c b/src/writer.c
index cf0ae32..6cd0027 100644
--- a/src/writer.c
+++ b/src/writer.c
@@ -615,6 +615,10 @@ LOC_EXPORT int loc_writer_write(struct loc_writer* writer, FILE* f) {
 	for (unsigned int i = 0; i < sizeof(header.signature); i++)
 		header.signature[i] = '\0';
 
+	// Clear the padding
+	for (unsigned int i = 0; i < sizeof(header.padding); i++)
+		header.padding[i] = '\0';
+
 	int r;
 	off_t offset = 0;