Mercurial > pkg
annotate previous-work/more_control_helpers/sbin/useradd @ 1:d6bef198ae71
add work by Matthias S. Benkmann which is the inspiration for this project.
| author | Robert McIntyre <rlm@mit.edu> |
|---|---|
| date | Tue, 08 Jan 2013 11:45:01 +0000 |
| parents | |
| children |
| rev | line source |
|---|---|
| rlm@1 | 1 #!/bin/bash |
| rlm@1 | 2 # Copyright (c) 2000,2004 Matthias S. Benkmann <article AT winterdrache DOT de> |
| rlm@1 | 3 # You may do everything with this code except misrepresent its origin. |
| rlm@1 | 4 # PROVIDED `AS IS' WITH ABSOLUTELY NO WARRANTY OF ANY KIND! |
| rlm@1 | 5 |
| rlm@1 | 6 # |
| rlm@1 | 7 # This is a primitive script to serve as useradd until the real useradd |
| rlm@1 | 8 # has been installed. It has little error checking, so don't pass it anything |
| rlm@1 | 9 # stupid or it'll mess up your /etc/passwd and/or /etc/group file. |
| rlm@1 | 10 # |
| rlm@1 | 11 |
| rlm@1 | 12 if [ $# -ne 13 -o z$1 != z-c -o z$3 != z-d -o z$5 != z-g -o z$7 != z-G -o z$9 != z-s -o z${11} != z-u ]; then |
| rlm@1 | 13 echo 1>&2 USAGE: useradd -c description -d home -g maingroup -G addgroup -s shell -u uid login |
| rlm@1 | 14 exit 1 |
| rlm@1 | 15 fi |
| rlm@1 | 16 |
| rlm@1 | 17 #test if user already exists |
| rlm@1 | 18 grep "^${13}:.*" /etc/passwd |
| rlm@1 | 19 if [ $? -eq 0 ]; then |
| rlm@1 | 20 echo 1>&2 $0: User does already exist |
| rlm@1 | 21 exit 1 |
| rlm@1 | 22 fi |
| rlm@1 | 23 |
| rlm@1 | 24 g=`grep ^${6}:.\* /etc/group | cut -d : -f 3 -` |
| rlm@1 | 25 if [ z${g} = z ]; then |
| rlm@1 | 26 echo 1>&2 $0: Group ${6} does not exist! |
| rlm@1 | 27 exit 1 |
| rlm@1 | 28 fi |
| rlm@1 | 29 |
| rlm@1 | 30 grep ^${8}:.\* /etc/group >/dev/null || \ |
| rlm@1 | 31 { |
| rlm@1 | 32 echo 1>&2 $0: Group ${8} does not exist! |
| rlm@1 | 33 exit 1 |
| rlm@1 | 34 } |
| rlm@1 | 35 |
| rlm@1 | 36 |
| rlm@1 | 37 cp /etc/passwd /tmp/passwd123456 |
| rlm@1 | 38 echo "${13}:x:${12}:$g:$2:$4:${10}" \ |
| rlm@1 | 39 | sort -t : -k3,3n -m /tmp/passwd123456 - > /etc/passwd |
| rlm@1 | 40 |
| rlm@1 | 41 |
| rlm@1 | 42 cp /etc/group /tmp/group123456 |
| rlm@1 | 43 sed -e 's/^\('"${8}"':[^:]*:[0-9]*:..*\)$/\1,'"${13}"'/' \ |
| rlm@1 | 44 -e 's/^\('"${8}"':[^:]*:[0-9]*\):$/\1:'"${13}"'/' \ |
| rlm@1 | 45 /tmp/group123456 >/etc/group |