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openfortivpn: don't report error if symlink already exists

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If two openfortivpn scripts are started at the same time, a race
condition can occur where the conditional evaluates to true, but the
symlink exists by the time the other script tries to create it

Signed-off-by: Aaron Goodman <aaronjg@stanford.edu>
This commit is contained in:
Aaron Goodman 2020-07-20 10:46:48 -04:00
parent 7f109ec59f
commit d8b71f45a8
1 changed files with 2 additions and 2 deletions
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4
net/openfortivpn/files/openfortivpn.sh
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@ -104,7 +104,7 @@ proto_openfortivpn_setup() {
[ -n "$username" ] && append_args -u "$username"
[ -n "$password" ] && {
umask 077
mkdir -p /var/etc
mkdir -p '/var/etc/openfortivpn'
pwfile="/var/etc/openfortivpn/$config.passwd"
echo "$password" > "$pwfile"
}
@ -112,7 +112,7 @@ proto_openfortivpn_setup() {
[ -n "$local_ip" ] || local_ip=192.0.2.1
[ -e '/etc/ppp/peers' ] || mkdir -p '/etc/ppp/peers'
[ -e '/etc/ppp/peers/openfortivpn' ] || {
ln -s -T '/var/etc/openfortivpn/peers' '/etc/ppp/peers/openfortivpn'
ln -s -T '/var/etc/openfortivpn/peers' '/etc/ppp/peers/openfortivpn' 2> /dev/null
mkdir -p '/var/etc/openfortivpn/peers'
}