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         # set 'auto' to 0, so that hotplug does not attempt to
   8         # reconfigure an interface that is managed by pppd
   9         config_set "$1" auto 0
  10 }
  11
  12 start_pppd() {
  13         local cfg="$1"; shift
  14
  15         # make sure only one pppd process is started
  16         lock "/var/lock/ppp-${cfg}"
  17         local pid="$(head -n1 /var/run/ppp-${cfg}.pid 2>/dev/null)"
  18         [ -d "/proc/$pid" ] && grep pppd "/proc/$pid/cmdline" 2>/dev/null >/dev/null && {
  19                 lock -u "/var/lock/ppp-${cfg}"
  20                 return 0
  21         }
  22
  23         config_get device "$cfg" device
  24         config_get unit "$cfg" unit
  25         config_get username "$cfg" username
  26         config_get password "$cfg" password
  27         config_get keepalive "$cfg" keepalive
  28         interval="${keepalive##*[, ]}"
  29         [ "$interval" != "$keepalive" ] || interval=5
  30
  31         config_get demand "$cfg" demand
  32         [ -n "$demand" ] && echo "nameserver 1.1.1.1" > /tmp/resolv.conf.auto
  33         /usr/sbin/pppd "$@" \
  34                 ${keepalive:+lcp-echo-interval $interval lcp-echo-failure ${keepalive%%[, ]*}} \
  35                 ${demand:+precompiled-active-filter /etc/ppp/filter demand idle }${demand:-persist} \
  36                 usepeerdns \
  37                 defaultroute \
  38                 replacedefaultroute \
  39                 ${username:+user "$username" password "$password"} \
  40                 linkname "$cfg" \
  41                 ipparam "$cfg"
  42
  43         lock -u "/var/lock/ppp-${cfg}"
  44 }