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authorChristian Breunig <christian@breunig.cc>2024-07-04 13:40:18 +0200
committerGitHub <noreply@github.com>2024-07-04 13:40:18 +0200
commitec889a74217d8132874e571934866e08aaf11ba4 (patch)
tree4cb93a0bfdb2f5a810b2018e69fb73182e8ba251 /src/opt
parent18f6159536d67c8fdabf02fe1aa8b4e0e94986d8 (diff)
parent7aa420e5a5509793030350acb9c108eaef6c79ea (diff)
downloadvyos-1x-ec889a74217d8132874e571934866e08aaf11ba4.tar.gz
vyos-1x-ec889a74217d8132874e571934866e08aaf11ba4.zip
Merge pull request #3766 from vyos/mergify/bp/circinus/pr-3745
T6527: add legacy Vyatta interpreter files still in use (backport #3745)
Diffstat (limited to 'src/opt')
-rwxr-xr-xsrc/opt/vyatta/bin/restricted-shell11
-rwxr-xr-xsrc/opt/vyatta/bin/vyatta-op-cmd-wrapper6
-rw-r--r--src/opt/vyatta/etc/LICENSE340
-rw-r--r--src/opt/vyatta/etc/shell/level/users/allowed-op20
-rw-r--r--src/opt/vyatta/etc/shell/level/users/allowed-op.in16
-rwxr-xr-xsrc/opt/vyatta/sbin/if-mib-alias130
-rwxr-xr-xsrc/opt/vyatta/sbin/vyos-persistpath19
-rw-r--r--src/opt/vyatta/share/vyatta-op/functions/interpreter/vyatta-common82
-rw-r--r--src/opt/vyatta/share/vyatta-op/functions/interpreter/vyatta-op-run240
-rw-r--r--src/opt/vyatta/share/vyatta-op/functions/interpreter/vyatta-unpriv97
10 files changed, 961 insertions, 0 deletions
diff --git a/src/opt/vyatta/bin/restricted-shell b/src/opt/vyatta/bin/restricted-shell
new file mode 100755
index 000000000..ffcbb53b7
--- /dev/null
+++ b/src/opt/vyatta/bin/restricted-shell
@@ -0,0 +1,11 @@
+#!/bin/bash
+
+if [ $# != 0 ]; then
+ echo "Remote command execution is not allowed for operator level users"
+ args=($@)
+ args_str=$(IFS=" " ; echo "${args[*]}")
+ logger "Operator level user $USER attempted remote command execution: $args_str"
+ exit 1
+fi
+
+exec vbash
diff --git a/src/opt/vyatta/bin/vyatta-op-cmd-wrapper b/src/opt/vyatta/bin/vyatta-op-cmd-wrapper
new file mode 100755
index 000000000..a89211b2b
--- /dev/null
+++ b/src/opt/vyatta/bin/vyatta-op-cmd-wrapper
@@ -0,0 +1,6 @@
+#!/bin/vbash
+shopt -s expand_aliases
+source /etc/default/vyatta
+source /etc/bash_completion.d/vyatta-op
+_vyatta_op_init
+_vyatta_op_run "$@"
diff --git a/src/opt/vyatta/etc/LICENSE b/src/opt/vyatta/etc/LICENSE
new file mode 100644
index 000000000..6d45519c8
--- /dev/null
+++ b/src/opt/vyatta/etc/LICENSE
@@ -0,0 +1,340 @@
+ GNU GENERAL PUBLIC LICENSE
+ Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.
+ 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
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diff --git a/src/opt/vyatta/etc/shell/level/users/allowed-op b/src/opt/vyatta/etc/shell/level/users/allowed-op
new file mode 100644
index 000000000..74c45af37
--- /dev/null
+++ b/src/opt/vyatta/etc/shell/level/users/allowed-op
@@ -0,0 +1,20 @@
+c
+cl
+cle
+clea
+clear
+connect
+delete
+disconnect
+exit
+force
+monitor
+ping
+reset
+release
+renew
+set
+show
+telnet
+traceroute
+update
diff --git a/src/opt/vyatta/etc/shell/level/users/allowed-op.in b/src/opt/vyatta/etc/shell/level/users/allowed-op.in
new file mode 100644
index 000000000..1976904e4
--- /dev/null
+++ b/src/opt/vyatta/etc/shell/level/users/allowed-op.in
@@ -0,0 +1,16 @@
+clear
+connect
+delete
+disconnect
+exit
+force
+monitor
+ping
+reset
+release
+renew
+set
+show
+telnet
+traceroute
+update
diff --git a/src/opt/vyatta/sbin/if-mib-alias b/src/opt/vyatta/sbin/if-mib-alias
new file mode 100755
index 000000000..bc86f999f
--- /dev/null
+++ b/src/opt/vyatta/sbin/if-mib-alias
@@ -0,0 +1,130 @@
+#! /usr/bin/perl
+
+# **** License ****
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+#
+# This program 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.
+#
+# This code was originally developed by Vyatta, Inc.
+# Portions created by Vyatta are Copyright (C) 2007 Vyatta, Inc.
+# All Rights Reserved.
+#
+# Author: Stephen Hemminger
+# Date: October 2010
+# Description: script is run as net-snmp extension to read interface alias
+#
+# **** End License ****
+
+use strict;
+use warnings;
+use feature "switch";
+no warnings 'experimental::smartmatch';
+
+# Collect interface all alias values
+sub get_alias {
+ my @interfaces;
+
+ open (my $ip, '-|', 'ip li')
+ or die "Can't run ip command\n";
+ my $index;
+ while(<$ip>) {
+ if (/^(\d+): ([^:]*): /) {
+ $index = $1;
+ $interfaces[$index] = $2;
+ } elsif (/^ +alias (.*)$/) {
+ $interfaces[$index] = $1;
+ }
+ }
+ close $ip;
+ return @interfaces;
+}
+
+sub get_oid {
+ my $oid = shift;
+ die "Not a valid Object ID: $oid"
+ unless ($oid =~ /.(\d+)$/);
+
+ my $ifindex = $1;
+ my @interfaces = get_alias();
+
+ my $ifalias = $interfaces[$ifindex];
+ print "$oid\nstring\n$ifalias\n" if $ifalias;
+}
+
+# OID of ifAlias [RFC2863]
+my $BASE = '.1.3.6.1.2.1.31.1.1.1.18';
+
+sub get_next {
+ my $oid = shift;
+
+ return get_next("$BASE.0")
+ if ($oid eq $BASE);
+
+ die "Not a valid Object ID: $oid"
+ unless ($oid =~ /^(\S*)\.(\d+)$/);
+
+ my $base = $1;
+ my $ifindex = $2;
+ my @interfaces = get_alias();
+
+ while (++$ifindex <= $#interfaces) {
+ my $ifalias = $interfaces[$ifindex];
+ if ($ifalias) {
+ print "$base.$ifindex\nstring\n$ifalias\n";
+ last;
+ }
+ }
+}
+
+sub ifindextoname {
+ my $ifindex = shift;
+
+ open (my $ip, '-|', 'ip li')
+ or die "Can't run ip command\n";
+ my $index;
+ while(<$ip>) {
+ next unless (/^(\d+): ([^:]*): /);
+ return $2 if ($1 == $ifindex);
+ }
+ return;
+}
+
+sub set_oid {
+ my ($oid, $target, $value) = @_;
+ die "Not a valid Object ID: $oid"
+ unless ($oid =~ /\.(\d+)$/);
+ my $ifindex = $1;
+ unless ($target eq 'string') {
+ print "wrong-type\n";
+ return;
+ }
+
+ my $ifname = ifindextoname($ifindex);
+ if ($ifname) {
+ system("ip li set $ifname alias '$value' >/dev/null 2>&1");
+ print "not-writeable\n" if ($? != 0);
+ }
+}
+
+sub usage {
+ warn "Usage: $0 {-g|-n} OID\n";
+ warn " $0 -s OID TARGET VALUE\n";
+ exit 1;
+}
+
+usage unless $#ARGV >= 1;
+
+given ($ARGV[0]) {
+ when ('-g') { get_oid ($ARGV[1]); }
+ when ('-n') { get_next ($ARGV[1]); }
+ when ('-s') { set_oid ($ARGV[1], $ARGV[2], $ARGV[3]); }
+ default {
+ warn "$ARGV[0] unknown flag\n";
+ usage;
+ }
+}
diff --git a/src/opt/vyatta/sbin/vyos-persistpath b/src/opt/vyatta/sbin/vyos-persistpath
new file mode 100755
index 000000000..d7199b09a
--- /dev/null
+++ b/src/opt/vyatta/sbin/vyos-persistpath
@@ -0,0 +1,19 @@
+#!/bin/bash
+
+if grep -q -e '^overlay.*/filesystem.squashfs' /proc/mounts; then
+ # Live CD boot
+ exit 2
+
+elif grep -q 'upperdir=/live/persistence/' /proc/mounts && egrep -q 'overlay / overlay ' /proc/mounts; then
+ # union boot
+
+ boot_device=`grep -o 'upperdir=/live/persistence/[^/]*/boot' /proc/mounts | cut -d / -f 4`
+ persist_path="/lib/live/mount/persistence/$boot_device"
+
+ echo $persist_path
+ exit 0
+else
+ # old style boot
+
+ exit 1
+fi \ No newline at end of file
diff --git a/src/opt/vyatta/share/vyatta-op/functions/interpreter/vyatta-common b/src/opt/vyatta/share/vyatta-op/functions/interpreter/vyatta-common
new file mode 100644
index 000000000..e749f0217
--- /dev/null
+++ b/src/opt/vyatta/share/vyatta-op/functions/interpreter/vyatta-common
@@ -0,0 +1,82 @@
+# vyatta bash completion common functions
+
+# **** License ****
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+#
+# This program 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.
+#
+# A copy of the GNU General Public License is available as
+# `/usr/share/common-licenses/GPL' in the Debian GNU/Linux distribution
+# or on the World Wide Web at `http://www.gnu.org/copyleft/gpl.html'.
+# You can also obtain it by writing to the Free Software Foundation,
+# Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+# MA 02110-1301, USA.
+#
+# Author: Vyatta
+# Description: bash completion common functions
+#
+# **** End License ****
+
+get_prefix_filtered_list ()
+{
+ # $1: prefix
+ # $2: \@list
+ # $3: \@filtered
+ declare -a olist
+ local pfx=$1
+ pfx=${pfx#\"}
+ eval "olist=( \"\${$2[@]}\" )"
+ local idx=0
+ for elem in "${olist[@]}"; do
+ local sub="${elem#$pfx}"
+ if [[ "$elem" == "$sub" ]] && [[ -n "$pfx" ]]; then
+ continue
+ fi
+ eval "$3[$idx]=\$elem"
+ (( idx++ ))
+ done
+}
+
+get_prefix_filtered_list2 ()
+{
+ # $1: prefix
+ # $2: \@list
+ # $3: \@filtered
+ # $4: \@list2
+ # $5: \@filtered2
+ declare -a olist
+ local pfx=$1
+ pfx=${pfx#\"}
+ eval "olist=( \"\${$2[@]}\" )"
+ eval "local orig_len=\${#$2[@]}"
+ local orig_idx=0
+ local idx=0
+ for (( orig_idx = 0; orig_idx < orig_len; orig_idx++ )); do
+ eval "local elem=\${$2[$orig_idx]}"
+ eval "local elem2=\${$4[$orig_idx]}"
+ local sub="${elem#$pfx}"
+ if [[ "$elem" == "$sub" ]] && [[ -n "$pfx" ]]; then
+ continue
+ fi
+ eval "$3[$idx]=\$elem"
+ eval "$5[$idx]=\$elem2"
+ (( idx++ ))
+ done
+}
+
+is_elem_of () {
+ local elem="$1"
+ local -a olist
+ eval "olist=( \"\${$2[@]}\" )"
+ for e in "${olist[@]}"; do
+ if [[ "$e" == "$elem" ]]; then
+ return 0
+ fi
+ done
+ return 1
+}
diff --git a/src/opt/vyatta/share/vyatta-op/functions/interpreter/vyatta-op-run b/src/opt/vyatta/share/vyatta-op/functions/interpreter/vyatta-op-run
new file mode 100644
index 000000000..f0479ae88
--- /dev/null
+++ b/src/opt/vyatta/share/vyatta-op/functions/interpreter/vyatta-op-run
@@ -0,0 +1,240 @@
+# **** License ****
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+#
+# This program 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.
+#
+# This code was originally developed by Vyatta, Inc.
+# Portions created by Vyatta are Copyright (C) 2006, 2007 Vyatta, Inc.
+# All Rights Reserved.
+#
+# Author: Tom Grennan
+# Date: 2007
+# Description: setup bash completion for Vyatta operational commands
+#
+# **** End License ****
+
+_vyatta_op_init ()
+{
+ # empty and default line compeletion
+ complete -E -F _vyatta_op_expand
+ complete -D -F _vyatta_op_default_expand
+
+ # create the top level aliases for the unambiguous portions of the commands
+ # this is the only place we need an entire enumerated list of the subcommands
+ for cmd in $( ls /opt/vyatta/share/vyatta-op/templates/ ); do
+ for pos in $(seq 1 ${#cmd}); do
+ case ${cmd:0:$pos} in
+ for|do|done|if|fi|case|while|tr )
+ continue ;;
+ *) ;;
+ esac
+ complete -F _vyatta_op_expand ${cmd:0:$pos}
+ eval alias ${cmd:0:$pos}=\'_vyatta_op_run ${cmd:0:$pos}\'
+ done
+ done
+
+ shopt -s histverify
+}
+
+_vyatta_op_get_node_def_field ()
+{
+ local file=$1 field=$2
+
+ sed -n '/^'"$field"':/,$ {
+# strip field name and hold rest of line
+ s/[a-z]*: *//
+ h
+ :b
+# at EOF, print hold buffer and quit
+ $ { x; p; q }
+# input next line
+ n
+# if start of another field def, print hold buf and quit
+ /^[a-z]*:/ { x; p; q }
+# add to hold buf and branch to input next line
+ H
+ bb
+ }' $file
+}
+
+_vyatta_op_conv_node_path ()
+{
+ # is the node ok, ambiguous, or invalid
+ local node_path
+ local node
+ local -a ARR
+ node_path=$1
+ node=$2
+ ARR=( $(compgen -d $node_path/$node) )
+ if [[ "${#ARR[@]}" == "1" ]]; then
+ echo ${ARR[0]##*/}
+ elif [[ "${#ARR[@]}" == "0" ]]; then
+ if [[ -d "${node_path}/node.tag" ]]; then
+ echo "$node tag"
+ else
+ echo "$node invalid"
+ fi
+ elif [[ -d "$node_path/$node" ]]; then
+ echo $node
+ elif [[ "$VYATTA_USER_LEVEL_DIR" != "/opt/vyatta/etc/shell/level/admin" ]];then
+ # special handling for unprivledged completions.
+ # Since top level commands are different for unprivledged users
+ # we need a handler to expand them properly.
+ local -a filtered_cmds=()
+ local -a allowed=( $(cat $VYATTA_USER_LEVEL_DIR/allowed-op.in) )
+ get_prefix_filtered_list $node allowed filtered_cmds
+ if [[ "${#filtered_cmds[@]}" == "1" ]];then
+ echo ${filtered_cmds[0]}
+ else
+ echo "${node} ambiguous"
+ fi
+ else
+ echo "$node ambiguous"
+ fi
+}
+
+_vyatta_op_conv_run_cmd ()
+{
+ # Substitue bash positional variables
+ # for the same value in the expanded array
+ local restore_shopts=$( shopt -p extglob nullglob | tr \\n \; )
+ shopt -s extglob
+ shopt -u nullglob
+ local run_cmd="$1"
+ local line outline
+ local -i inquote=0;
+ local outcmd='';
+ local OIFS=$IFS
+ local re="([^']*')(.*)"
+
+ toggle_inquote()
+ {
+ if [[ $inquote == 0 ]]; then
+ inquote=1
+ else
+ inquote=0
+ fi
+ }
+
+ process_subline()
+ {
+ if [[ $inquote == 1 ]]; then
+ outline+="$1"
+ else
+ outline+=$(sed -e 's/\$\([0-9]\)/\$\{args\[\1\]\}/g' <<<"$1")
+ fi
+ }
+
+ run_cmd="${run_cmd/\"\$\@\"/${args[*]}}"
+ run_cmd="${run_cmd/\$\*/${args[*]}}"
+ run_cmd="${run_cmd//\\/\\\\}"
+ IFS=$'\n'
+ for line in ${run_cmd[@]}; do
+ outline=''
+ while [[ -n "$line" ]]; do
+ if [[ "$line" =~ $re ]]; then
+ process_subline "${BASH_REMATCH[1]}"
+ toggle_inquote
+ else
+ process_subline "$line"
+ fi
+ line="${BASH_REMATCH[2]}"
+ done
+ outcmd+="$outline\n"
+ done
+ IFS=$OIFS
+ eval "$restore_shopts"
+ echo -ne "$outcmd"
+}
+
+_vyatta_op_run ()
+{
+ # if run with bash builtin "set -/+*" run set and return
+ # this happens when a different completion script runs eval "set ..."
+ # (VyOS T1604)
+ if [[ "$1" == "set" && "$2" =~ ^(-|\+).* ]]; then
+ set "${@:2}"
+ return
+ fi
+
+ local -i estat
+ local tpath=$vyatta_op_templates
+ local restore_shopts=$( shopt -p extglob nullglob | tr \\n \; )
+ shopt -s extglob nullglob
+
+ _vyatta_op_last_comp=${_vyatta_op_last_comp_init}
+ false; estat=$?
+ stty echo 2> /dev/null # turn echo on, this is a workaround for bug 7570
+ # not a fix we need to look at why the readline library
+ # is getting confused on paged help text.
+
+ i=1
+ declare -a args # array of expanded arguments
+ for arg in "$@"; do
+ local orig_arg=$arg
+ if [[ $arg == "*" ]]; then
+ arg="*" #leave user defined wildcards alone
+ else
+ arg=( $(_vyatta_op_conv_node_path $tpath $arg) ) # expand the arguments
+ fi
+ # output proper error message based on the above expansion
+ if [[ "${arg[1]}" == "ambiguous" ]]; then
+ echo -ne "\n Ambiguous command: ${args[@]} [$arg]\n" >&2
+ local -a cmds=( $(compgen -d $tpath/$arg) )
+ _vyatta_op_node_path=$tpath
+ local comps=$(_vyatta_op_help $arg ${cmds[@]##*/})
+ echo -e "$comps\n" | sed -e 's/^P/ P/'
+ eval $restore_shopts
+ return 1
+ elif [[ "${arg[1]}" == "invalid" ]]; then
+ echo -ne "\n Invalid command: ${args[@]} [$arg]\n\n" >&2
+ eval $restore_shopts
+ return 1
+ fi
+
+ if [ -f "$tpath/$arg/node.def" ] ; then
+ tpath+=/$arg
+ elif [ -f $tpath/node.tag/node.def ] ; then
+ tpath+=/node.tag
+ else
+ echo -ne "\n Invalid command: ${args[@]} [$arg]\n\n" >&2
+ eval $restore_shopts
+ return 1
+ fi
+ if [[ "$arg" == "node.tag" ]]; then
+ args[$i]=$orig_arg
+ else
+ args[$i]=$arg
+ fi
+ let "i+=1"
+ done
+
+ local run_cmd=$(_vyatta_op_get_node_def_field $tpath/node.def run)
+ run_cmd=$(_vyatta_op_conv_run_cmd "$run_cmd") # convert the positional parameters
+ local ret=0
+ # Exception for the `show file` command
+ local file_cmd='\$\{vyos_op_scripts_dir\}\/file\.py'
+ local cmd_regex="^(LESSOPEN=|less|pager|tail|(sudo )?$file_cmd).*"
+ if [ -n "$run_cmd" ]; then
+ eval $restore_shopts
+ if [[ -t 1 && "${args[1]}" == "show" && ! $run_cmd =~ $cmd_regex ]] ; then
+ eval "($run_cmd) | ${VYATTA_PAGER:-cat}"
+ else
+ eval "$run_cmd"
+ fi
+ else
+ echo -ne "\n Incomplete command: ${args[@]}\n\n" >&2
+ eval $restore_shopts
+ ret=1
+ fi
+ return $ret
+}
+
+### Local Variables:
+### mode: shell-script
+### End:
diff --git a/src/opt/vyatta/share/vyatta-op/functions/interpreter/vyatta-unpriv b/src/opt/vyatta/share/vyatta-op/functions/interpreter/vyatta-unpriv
new file mode 100644
index 000000000..1507f4f0d
--- /dev/null
+++ b/src/opt/vyatta/share/vyatta-op/functions/interpreter/vyatta-unpriv
@@ -0,0 +1,97 @@
+#!/bin/bash
+# **** License ****
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+#
+# This program 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.
+#
+# This code was originally developed by Vyatta, Inc.
+# Portions created by Vyatta are Copyright (C) 2006, 2007 Vyatta, Inc.
+# All Rights Reserved.
+#
+# **** End License ****
+
+source /opt/vyatta/share/vyatta-op/functions/interpreter/vyatta-common
+
+declare -a op_allowed
+declare -a toplevel
+
+op_allowed=( $(cat /opt/vyatta/etc/shell/level/users/allowed-op.in) )
+toplevel=( $(ls /opt/vyatta/share/vyatta-op/templates/) )
+
+vyatta_unpriv_ambiguous ()
+{
+ local -a filtered_cmds=()
+ get_prefix_filtered_list $1 op_allowed filtered_cmds
+ _vyatta_op_node_path=${vyatta_op_templates}
+ comps=$(_vyatta_op_help $1 ${filtered_cmds[@]})
+ echo -ne "\n Ambiguous command: [$1]\n"
+ echo -e "$comps\n" | sed -e 's/^P/ P/'
+}
+
+vyatta_unpriv_init ()
+{
+ # empty and default line compeletion
+ complete -E -F _vyatta_op_expand
+ complete -D -F _vyatta_op_default_expand
+
+ for cmd in "${op_allowed[@]}"; do
+ if is_elem_of ${cmd} toplevel; then
+ for pos in $(seq 1 ${#cmd}); do
+ case ${cmd:0:$pos} in
+ for|do|done|if|fi|case|while|tr )
+ continue ;;
+ *) ;;
+ esac
+ local -a filtered_cmds=()
+ get_prefix_filtered_list ${cmd:0:$pos} op_allowed filtered_cmds
+ local found
+ is_elem_of "${cmd:0:$pos}" op_allowed
+ found=$?
+ if [[ "${#filtered_cmds[@]}" == "1" || "${cmd:0:$pos}" == "$cmd" || "$found" == "0" ]]; then
+ local fcmd
+ if [[ "${#filtered_cmds[@]}" == "1" ]]; then
+ fcmd=${filtered_cmds[0]}
+ elif is_elem_of "${cmd:0:$pos}" op_allowed; then
+ fcmd=${cmd:0:$pos}
+ else
+ fcmd=$cmd
+ fi
+ eval alias ${cmd:0:$pos}=\'_vyatta_op_run $fcmd\'
+ else
+ eval alias ${cmd:0:$pos}=\'vyatta_unpriv_ambiguous ${cmd:0:$pos}\'
+ fi
+ complete -F _vyatta_op_expand ${cmd:0:$pos}
+ done
+ fi
+ done
+ if [[ "$VYATTA_USER_LEVEL_DIR" == "/opt/vyatta/etc/shell/level/users" ]]; then
+ PS1='\u@\h> '
+ fi
+}
+
+vyatta_unpriv_gen_allowed () {
+ local -a allowed_cmds=()
+ rm -rf /opt/vyatta/etc/shell/level/users/allowed-op
+ for cmd in "${op_allowed[@]}"; do
+ if is_elem_of ${cmd} toplevel; then
+ for pos in $(seq 1 ${#cmd}); do
+ case ${cmd:0:$pos} in
+ for|do|done|if|fi|case|while|tr )
+ continue ;;
+ *) ;;
+ esac
+ if ! is_elem_of ${cmd:0:$pos} allowed_cmds; then
+ allowed_cmds+=( ${cmd:0:$pos} )
+ echo ${cmd:0:$pos} >> /opt/vyatta/etc/shell/level/users/allowed-op
+ fi
+ done
+ else
+ echo ${cmd} >> /opt/vyatta/etc/shell/level/users/allowed-op
+ fi
+ done
+}