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authorJouni Malinen <j@w1.fi>2019-02-09 23:51:51 (GMT)
committerJouni Malinen <j@w1.fi>2019-02-11 00:35:29 (GMT)
commit62269c8d8d7909bbc6c0f61fd55c6ae52badb164 (patch)
tree704d4a21c2428ebd9dcec7f04509631614202dd2
parent3eae9766b7e3aee20f6e6828e1468d244635f451 (diff)
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TLS: Fix X.509 certificate name conversion into empty string
If none of the supported name attributes are present, the name string was nul terminated only at the end. Add an explicit nul termination at the end of the last written (or beginning of the buffer, if nothing is written) to avoid writing uninitialized data to debug log. Signed-off-by: Jouni Malinen <j@w1.fi>
-rw-r--r--src/tls/x509v3.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/tls/x509v3.c b/src/tls/x509v3.c
index f80c9a3..fa4d442 100644
--- a/src/tls/x509v3.c
+++ b/src/tls/x509v3.c
@@ -532,6 +532,8 @@ void x509_name_string(struct x509_name *name, char *buf, size_t len)
}
done:
+ if (pos < end)
+ *pos = '\0';
end[-1] = '\0';
}