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author | Selva Nair | 2016-11-29 20:53:14 -0500 |
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committer | Gert Doering | 2016-11-30 09:37:05 +0100 |
commit | 997795353916ffcb413a2da02dc7f210fd621954 (patch) | |
tree | e9dbe1bfc45e06285478fec03a73ef051efc062f | |
parent | 009521ac8ae613084b23b9e3e5dc4ebeccd4c6c8 (diff) | |
download | openvpn-997795353916ffcb413a2da02dc7f210fd621954.zip openvpn-997795353916ffcb413a2da02dc7f210fd621954.tar.gz |
When parsing '--setenv opt xx ..' make sure a third parameter is present
When no parameters are present, set it to "setenv opt" to trigger a
descriptive error message. And, thus get rid of the pesky NULL pointer
dereferencing.
Trac: #779
Signed-off-by: Selva Nair <selva.nair@gmail.com>
Acked-by: Gert Doering <gert@greenie.muc.de>
Message-Id: <1480470794-6349-1-git-send-email-selva.nair@gmail.com>
URL: https://www.mail-archive.com/openvpn-devel@lists.sourceforge.net/msg13311.html
Signed-off-by: Gert Doering <gert@greenie.muc.de>
-rw-r--r-- | src/openvpn/options.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/openvpn/options.c b/src/openvpn/options.c index a7a1f9a..eac8023 100644 --- a/src/openvpn/options.c +++ b/src/openvpn/options.c @@ -4407,6 +4407,8 @@ add_option (struct options *options, */ if (streq (p[0], "setenv") && p[1] && streq (p[1], "opt") && !(permission_mask & OPT_P_PULL_MODE)) { + if (!p[2]) + p[2] = "setenv opt"; /* will trigger an error that includes setenv opt */ p += 2; msglevel_fc = M_WARN; } |