GCC with -O3 complains:
warning: ‘%s’ directive argument is null [-Wformat-overflow=]
And indeed:
--cipher alg : Encrypt packets with cipher algorithm alg
(default=(null)).
Since there is no real default anymore, remove it.
While here also indicate the somewhat-deprecated status
of the option.
Signed-off-by: Frank Lichtenheld <fr...@lichtenheld.com>
---
src/openvpn/options.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/src/openvpn/options.c b/src/openvpn/options.c
index 7395019e..ee378304 100644
--- a/src/openvpn/options.c
+++ b/src/openvpn/options.c
@@ -543,8 +543,8 @@ static const char usage_message[] =
" digest algorithm alg (default=%s).\n"
" (usually adds 16 or 20 bytes per packet)\n"
" Set alg=none to disable authentication.\n"
- "--cipher alg : Encrypt packets with cipher algorithm alg\n"
- " (default=%s).\n"
+ "--cipher alg : Encrypt packets with cipher algorithm alg.\n"
+ " You should usually use --data-ciphers instead.\n"
" Set alg=none to disable encryption.\n"
"--data-ciphers list : List of ciphers that are allowed to be
negotiated.\n"
#ifndef ENABLE_CRYPTO_MBEDTLS
@@ -4779,7 +4779,7 @@ usage(void)
o.ce.local_port, o.ce.remote_port,
TUN_MTU_DEFAULT, TAP_MTU_EXTRA_DEFAULT,
o.verbosity,
- o.authname, o.ciphername,
+ o.authname,
o.replay_window, o.replay_time,
o.tls_timeout, o.renegotiate_seconds,
o.handshake_window, o.transition_window);
--
2.34.1
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