#! /bin/sh

# $NetBSD: sys_info.sh,v 1.19 2025/04/17 06:19:06 agc Exp $

# Copyright (c) 2016 Alistair Crooks <[email protected]>
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#

SYS_INFO_VERSION=20200714

PATH=$(sysctl -n user.cs_path)
export PATH

LIBRARY_PATH=${LD_LIBRARY_PATH:-/usr/lib:/usr/X11R7/lib}

# default libraries when no args are given (sorted...)
LIBS=
LIBS="${LIBS} libc"
LIBS="${LIBS} libcurses"
LIBS="${LIBS} libdrm"
LIBS="${LIBS} libm"
LIBS="${LIBS} libresolv"
LIBS="${LIBS} libsqlite"
LIBS="${LIBS} libssh"
LIBS="${LIBS} libstdc++"
LIBS="${LIBS} libterminfo"
LIBS="${LIBS} libutil"
LIBS="${LIBS} libX11"
LIBS="${LIBS} libXaw7"
LIBS="${LIBS} libXcb"
LIBS="${LIBS} libXfont"
LIBS="${LIBS} libXft"
LIBS="${LIBS} libXrandr"
LIBS="${LIBS} libXt"

# short script to look for an executable $2, and if found, to place
# path in $1
# taken from pkgsrc bootstrap
which_prog()
{
       local IFS _var _name _d -
       set -f

       _var="$1"; _name="$2"

       eval _d=\"\$$_var\"
       if [ -n "$_d" ]; then
               # Variable is already set (by the user, for example)
               return 0
       fi

       IFS=:
       for _d in $PATH ; do
               if [ -f "$_d/$_name" ] && [ -x "$_d/$_name" ]; then
                       # Program found
                       eval $_var=\""$_d/$_name"\"
                       return 0
               fi
       done

       return 1
}

savedIFS=unset
saveIFS() { savedIFS="${IFS-unset}"; IFS="$1"; }
restIFS() { test "${savedIFS}" = unset && unset IFS || IFS="${savedIFS}"; }

run() {
        # must send to stderr, as run is used in $() sometimes.
        $verbose && printf >&2 '%s\n' "${PS4:-...: }${1}"
        eval "$1"
}

# print out the version for the given argument (or everything)

# case patterns are sorted by output order so
#       sys_info
# and
#       sys_info | sort -f
# generate identical output

getversion() {
       case "$1" in
       '')
               $all || return 0 ;&
       awk)
               run "awk --version | awk '{ print \$1 \"-\" \$3 }'"
               $all || return 0 ;&
       [Bb][Ii][Nn][Dd]|named)
               run "named -v | awk '{ gsub(\"-\", \"\", \$2); gsub(\"P\", \"pl\", \$2); print tolower(\$1) \"-\" \$2 }'"
               $all || return 0 ;&
       bozohttpd|httpd)
               v=$(run "${destdir}/usr/libexec/httpd -G")
               case "${v}" in
               "")
                       run  "strings -a ${destdir}/usr/libexec/httpd | awk -F/ '\$1 == \"bozohttpd\" && NF == 2 { print \$1 \"-\" \$2; exit }'"
                       ;;
               *)
                       printf '%s\n' "bozohttpd-${v##*/}"
                       ;;
               esac
               $all || return 0 ;&
       bzip2)
               run  "bzip2 --help 2>&1 | awk '{ sub(\",\", \"\", \$7); print \"bzip2-\" \$7; exit }'"
               $all || return 0 ;&
       calendar)
               v=$(run "calendar -v" || true)
               case "${v}" in
               "")     printf '%s\n' "calendar-20150701" ;;
               *)      printf '%s\n' "${v}" ;;
               esac
               $all || return 0 ;&
       dhcpcd)
               run  "dhcpcd --version | sed -e 's/ /-/g' -e 1q"
               $all || return 0 ;&
       dtc)
               run "dtc --version | sed 's/Version: DTC /dtc-/'"
               $all || return 0 ;&
       ftpd)
               run "strings -a /usr/libexec/ftpd | awk '\$1 == \"NetBSD-ftpd\" { print \"ftpd-\" \$2 }'"
               $all || return 0 ;&
       g++|c++)
               run "g++ --version | awk '{ print \$1 \"-\" \$4; exit }'"
               $all || return 0 ;&
       gcc|cc)
               run "gcc --version | awk '{ print \$1 \"-\" \$4; exit }'"
               $all || return 0 ;&
       grep)
               run "grep --version | awk '{ print \$1 \"-\" \$4 \$5; exit }'"
               $all || return 0 ;&
       gzip)
               run "gzip --version 2>&1 | awk '{ print \$2 \"-\" \$3 }'"
               $all || return 0 ;&
       lib*)
               for L in ${1:-$LIBS}; do
                       saveIFS :
                       for d in ${LIBRARY_PATH} nowhere; do
                               restIFS
                               if [ -e ${d}/$L.so ]; then
                                       run "ls -al \"${d}/$L.so\" | sed -e 's/^.*-> //' -e 's;^.*/;;' -e 's/\\.so\\./-/'"
                                       break
                               fi
                       done
                       restIFS
                       test "$d" = nowhere && test -n "$1" &&
                               printf 2>&1 '%s\n' "$0: library $1 not found"
               done
               $all || return 0 ;&
       [Nn]et[Bb][Ss][Dd]|kernel)
               run "uname -sr | awk '{ print \$1 \"-\" \$2 }'"
               $all || return 0 ;&
       netpgp)
               run "netpgp -V | awk '{ sub(\"/.*\", \"\", \$3); print \"netpgp-\" \$3; exit }'"
               $all || return 0 ;&
       netpgpverify)
               run "netpgpverify -v | awk '{ print \$1 \"-\" \$3 }'"
               $all || return 0 ;&
       ntp)
               run "ntpq --version | awk '{ sub(\"-.\", \"\"); sub(\"p\", \"pl\", \$2); print \"ntp-\" \$2 }'"
               $all || return 0 ;&
       openssh|ssh)
               run "ssh -V 2>&1 | awk '{ sub(\"_\", \"-\", \$1); print tolower(\$1) }'"
               $all || return 0 ;&
       opensshd|sshd)
               run "sshd -V 2>&1 | awk '/OpenSSH/ { sub(\"_\", \"D-\", \$1); print tolower(\$1) }'"
               $all || return 0 ;&
       openssl)
               run "openssl version 2>/dev/null | awk '{ print tolower(\$1) \"-\" \$2 }'"
               $all || return 0 ;&
       pcap)
               if which_prog tcpdumppath tcpdump; then
                       run "${tcpdumppath} -h 2>&1 | awk '\$1 == \"libpcap\" { sub(\" version \", \"-\"); print }'"
               fi
               $all || return 0 ;&
       pkg_info|pkg_install)
               if which_prog infopath pkg_info; then
                       run "printf 'pkg_install-%s\n' \$(${infopath} -V)"
               fi
               $all || return 0 ;&
       sh)
               run "set -- \$NETBSD_SHELL; case \"\$1+\$2\" in *+BUILD*) ;; +) set -- ancient;; *) set -- \"\$1\";;esac; printf 'sh-%s\\n' \$1\${2:+-\${2#BUILD:}}"
               $all || return 0 ;&
       sqlite|sqlite3)
               run "sqlite3 --version | awk '{ print \"sqlite3-\" \$1 }'"
               $all || return 0 ;&
       sys_info)
               run "printf '%s\n' sys_info-${SYS_INFO_VERSION}"
               $all || return 0 ;&
       tcpdump)
               if which_prog tcpdumppath tcpdump; then
                       run "${tcpdumppath} -h 2>&1 | awk '\$1 == \"tcpdump\" { sub(\" version \", \"-\"); print }'"
               fi
               $all || return 0 ;&
       tcsh)
               if which_prog tcshpath tcsh; then
                       run "${tcshpath} --version | awk '{ print \$1 \"-\" \$2 }'"
               fi
               $all || return 0 ;&
       tzdata)
               if [ -f ${destdir}/usr/share/zoneinfo/TZDATA_VERSION ]; then
                       run "cat ${destdir}/usr/share/zoneinfo/TZDATA_VERSION"
               else
                       run "printf '%s\n' tzdata-too-old-to-matter"
               fi
               $all || return 0 ;&
       unbound)
               if which_prog unboundpath unbound-control; then
                       run "${unboundpath} -h | awk '/^Version/ { print \"unbound-\" \$2 }'"
               else
                       $all || printf >&2 '%s\n' "unbound: not found"
               fi
               $all || return 0 ;&
       [uU]ser[lL]and|release)
               run "sed <${destdir}/etc/release -e 's/ /-/g' -e 's/^/userland-/' -e 1q"
               $all || return 0 ;&
       wpa_supplicant)
               if which_prog wpapath wpa_supplicant; then
                       run "${wpapath} -v | awk 'NF == 2 { sub(\" v\", \"-\"); print }'"
               fi
               $all || return 0 ;&
       xz)
               run "xz --version | awk '{ print \$1 \"-\" \$4; exit }'"
               $all || return 0 ;&
       yacc)
               run "yacc -V | sed -e 's| ||g'"
               $all || return 0 ;&

       '')                     # never matches
               ;;              # but terminates ;& sequence

       *)      printf >&2 '%s\n' "Unrecognised subsystem: $1"
               ERRS=1
               ;;
       esac
}

verbose=false
destdir=""
# check if we have our only option
while getopts "L:P:d:v" a; do
       case "$a" in
       L)      LIBRARY_PATH=${OPTARG};;
       P)      PATH=${OPTARG};;
       d)      PATH=${OPTARG}/bin:${OPTARG}/sbin:${OPTARG}/usr/bin:${OPTARG}/usr/sbin
               LIBRARY_PATH=${OPTARG}/usr/lib:${OPTARG}/usr/X11R7/lib
               destdir=${OPTARG};;
       v)      verbose=true;;
       \?)     printf >&2 '%s\n' \
                   "Usage: $0 [-v] [-d destdir] [-L libdirs] [-P path] [system...]"
               exit 2
       esac
done
shift $((OPTIND - 1))

if [ $# -eq 0 ]; then
       set -- ''
       all=true
else
       all=false
fi

ERRS=0
while [ $# -gt 0 ]; do
       getversion "$1"
       shift
done
exit $ERRS

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