sec/SOSCircle/CloudKeychainProxy/scripts/sshauser

   1 #!/usr/bin/expect --
   2
   3 proc usage {} {
   4   puts stderr "Usage: sshauser \[ --retry \] port user \[ command ... \]"
   5   exit 22
   6 }
   7
   8 if { $argc < 2 } {
   9     usage
  10 }
  11
  12 set arg 0
  13 set retry 0
  14 if { [lindex $argv $arg] == "--retry" } {
  15   set retry 1
  16   set arg [expr $arg + 1]
  17 }
  18 set offset [lindex $argv $arg]
  19 set arg [expr $arg + 1]
  20 set username [lindex $argv $arg]
  21 set arg [expr $arg + 1]
  22 set command [lrange $argv $arg $argc]
  23
  24 set password "alpine"
  25 set timeout 60
  26
  27 # trap SIGWINCH and pass to spawned process
  28 trap {
  29  set rows [stty rows]
  30  set cols [stty columns]
  31  stty rows $rows columns $cols < $spawn_out(slave,name)
  32 } WINCH
  33
  34 set continue 1
  35 while { $continue } {
  36         set continue $retry
  37         spawn ssh -o NoHostAuthenticationForLocalhost=yes -p $offset $username@localhost
  38         while { 1 } {
  39                 expect "Are you sure you want to continue connecting (yes/no)" {
  40                         send "yes\r"
  41                 } "password:" {
  42                         send "$password\r"
  43                 } "#" {
  44                          if { $argc > 2 } { send "$command\r" }
  45                          interact
  46                          break
  47                 } "mobile" {
  48                          if { $argc > 2 } { send "$command\r" }
  49                          interact
  50                          break
  51                 } "ssh: connect to host localhost port $offset: Connection refused" {
  52                         if { $retry } {
  53                           wait
  54                           set continue $retry
  55                           send_user "conection lost... retrying in 5 seconds.\n"
  56                           sleep 5
  57                         }
  58                         break
  59                 } "ssh_exchange_identification: read: Connection reset by peer" {
  60                         if { $retry } {
  61                           wait
  62                           set continue $retry
  63                           send_user "Device rebooting waiting for 15 seconds.\n"
  64                           sleep 15
  65                         }
  66                         break
  67                 }
  68         }
  69 }