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# Copyright (C) 1992-2010 Free Software Foundation, Inc.
#
# This file is part of DejaGnu.
#
# DejaGnu is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# DejaGnu is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with DejaGnu; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
# Connect to ARG using rlogin. This is for systems using rlogin to
# braindead targets. It returns either the spawn_id or a -1.
#
proc rlogin_open { arg } {
global board_info
set tries 0
set result -1
if {[board_info $arg exists fileid]} {
return [board_info $arg fileid]
}
# get the hostname and port number from the config array
if {[board_info $arg exists netport]} {
set hostname [lindex [split [board_info $arg netport] ":"] 0]
} else {
set hostname $arg
}
if {![board_info $arg exists shell_prompt]} {
# if no prompt, then set it to something generic
set shell_prompt ".*> "
} else {
set shell_prompt [board_info $arg shell_prompt]
}
if {[board_info $arg exists fileid]} {
unset board_info($arg,fileid)
}
# get the right version of rlogin
if {![board_info $arg exists rlogin_prog]} {
set RLOGIN rlogin
} else {
set RLOGIN [board_info $arg rlogin_prog]
}
# start connection and store the spawn_id
verbose "Opening a $RLOGIN connection to $hostname" 2
spawn $RLOGIN $hostname
if { $spawn_id < 0 } {
perror "invalid spawn id from rlogin"
return -1
}
set board_info($arg,fileid) $spawn_id
# Try to connect to the target. We give up after 3 attempts.
while { $tries <= 3 } {
expect {
-re ".*$shell_prompt.*$" {
verbose "Got prompt\n"
set result 0
break
}
-re "TERM = .*\\)\[ ]*$" {
send "dumb\r\n"
expect {
"Terminal type is*$" {
verbose "rlogin: set the terminal to dumb" 2
}
default {
warning "rlogin: couldn't set terminmal type"
}
}
set result 10
break
}
"unknown host" {
perror "rlogin: unknown host"
break
}
"has logged on from" {
exp_continue
}
"Terminal type is" {
verbose "rlogin: connected, got terminal prompt" 2
set result 0
break
}
-re "Maximum number of users already logged in.*$" {
warning "rlogin: maximum number of users already logged in"
}
-re "Sorry, shell is locked.*Connection closed.*$" {
warning "rlogin: lready connected."
}
-re "Sorry, this system is engaged.*Connection closed.*$" {
warning "rlogin: system engaged."
}
timeout {
warning "rlogin: timed out trying to connect."
}
eof {
perror "rlogin: got EOF while trying to connect."
break
}
}
incr tries
}
# see if we maxed out on errors
if { $result < 0 } {
catch "close -i $spawn_id"
catch "wait -i $spawn_id"
set spawn_id -1
} else {
verbose "rlogin: connected to $hostname" 2
}
return $spawn_id
}
# Start CMDLINE running on DEST. Return the shell_id associated with
# the command.
#
proc rlogin_spawn { dest cmdline } {
if {![board_info $dest exists shell_prompt]} {
set shell_prompt "(^|\[\r\n\])\[^\r\n\]*>"
} else {
set shell_prompt [board_info $dest shell_prompt]
}
set prefix ""
set ok 0
for { set i 0 } {$i <= 2 && ! $ok} { incr i } {
set shell_id [remote_open $dest]
if { $shell_id != "" && $shell_id > 0 } {
remote_send $dest "echo k\r"
remote_expect $dest 20 {
-re "\\(gdb\\)" {
set shell_prompt "\\(gdb\\)"
# gdb uses 'shell command'.
set prefix "shell "
set ok 1
}
-re ".*$shell_prompt" {
set ok 1
}
default { }
}
}
if { ! $ok } {
remote_close $dest
remote_reboot $dest
}
}
if { ! $ok } {
return "unable to start command"
} else {
remote_send $dest "${prefix}${cmdline}\n"
return [board_info $dest fileid]
}
}
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