| #!/bin/sh |
| # $Header: /var/cvs/uClibc/extra/scripts/getent,v 1.2 2005/02/02 14:18:01 solar Exp $ |
| # |
| # Closely (not perfectly) emulate the behavior of glibc's getent utility |
| # |
| #passwd|shadow|group|aliases|hosts|networks|ethers|netgroup|protocols|services|rpc |
| # only returns the first match (by design) |
| # dns based search is not supported (hosts,networks) |
| # case-insensitive matches not supported (ethers; others?) |
| # may return false-positives (hosts,protocols,rpc,services,ethers) |
| # |
| # Taken from uClibc 0.9.33. |
| |
| export PATH="${PATH}:/bin:/usr/bin" |
| |
| file="/etc/$1" |
| case $1 in |
| passwd|group) |
| match="^$2:\|^[^:]*:[^:]*:$2:" ;; |
| shadow) |
| match="^$2:" ;; |
| networks|netgroup) |
| match="^[[:space:]]*$2\>" ;; |
| hosts|protocols|rpc|services|ethers) |
| match="\<$2\>" ;; |
| aliases) |
| match="^[[:space:]]*$2[[:space:]]*:" ;; |
| ""|-h|--help) |
| echo "USAGE: $0 database [key]" |
| exit 0 ;; |
| *) |
| echo "$0: Unknown database: $1" 1>&2 |
| exit 1 ;; |
| esac |
| |
| if [ ! -f "$file" ] ; then |
| echo "$0: Could not find database file for $1" 1>&2 |
| exit 1 |
| fi |
| |
| if [ $# -eq 1 ] ; then |
| exec cat "$file" |
| else |
| sed "s/#.*//; /$match/q; d" "$file" | grep . || exit 2 |
| fi |