abc022741aa9710e982b1e247cf12b05e3423e39
[openwrt/svn-archive/archive.git] / package / ppp / files / ppp.sh
1 scan_ppp() {
2 config_get ifname "$1" ifname
3 pppdev="${pppdev:-0}"
4 config_set "$1" ifname "ppp$pppdev"
5 config_set "$1" unit "$pppdev"
6 }
7
8 start_pppd() {
9 local cfg="$1"; shift
10
11 # make sure only one pppd process is started
12 lock "/var/lock/ppp-${cfg}"
13 local pid="$(head -n1 /var/run/ppp-${cfg}.pid 2>/dev/null)"
14 [ -d "/proc/$pid" ] && grep pppd "/proc/$pid/cmdline" 2>/dev/null >/dev/null && {
15 lock -u "/var/lock/ppp-${cfg}"
16 return 0
17 }
18
19 config_get device "$cfg" device
20 config_get unit "$cfg" unit
21 config_get username "$cfg" username
22 config_get password "$cfg" password
23 config_get keepalive "$cfg" keepalive
24 interval="${keepalive%%*[, ]}"
25 [ "$interval" != "$keepalive" ] || interval=5
26
27 config_get demand "$cfg" demand
28 [ -n "$demand" ] && echo "nameserver 1.1.1.1" > /tmp/resolv.conf
29 /usr/sbin/pppd "$@" \
30 ${keepalive:+lcp-echo-interval $interval lcp-echo-failure ${keepalive##[, ]*}} \
31 ${demand:+precompiled-active-filter /etc/ppp/filter demand idle }${demand:-persist} \
32 usepeerdns \
33 defaultroute \
34 replacedefaultroute \
35 ${username:+user "$username" password "$password"} \
36 linkname "$cfg" \
37 ipparam "$cfg"
38
39 lock -u "/var/lock/ppp-${cfg}"
40 }