rpm-user_group.sh

   1 #!/bin/sh
   2
   3 [ -f /etc/sysconfig/rpm ] && . /etc/sysconfig/rpm
   4 [ -z "$RPM_SCRIPTVERBOSITY" ] && RPM_SCRIPTVERBOSITY=5
   5
   6 # aborts program abnormally
   7 die() {
   8         local rc=${2:-1}
   9         if [ "$1" ]; then
  10                 echo >&2 "ERROR: $1"
  11         else
  12                 echo >&2 "ERROR"
  13         fi
  14         exit $rc
  15 }
  16
  17 bannercmd() {
  18         if [ "$BANNERCMD" = cat ]; then
  19                 echo cat
  20         else
  21                 if [ "$RPM_SCRIPTVERBOSITY" -lt 2 ]; then
  22                         echo "$BANNERCMD -M $1"
  23                 else
  24                         echo "$BANNERCMD -s -M $1"
  25                 fi
  26         fi
  27 }
  28
  29 testrm() {
  30         local mode=$1
  31         local name=$2
  32
  33         [ "$RPM_USERDEL" != yes ] || [ ! -x /bin/rpm ] && return 1
  34         [ -z "$name" ] && return 2
  35         rpm -q --whatprovides "$mode($name)" >/dev/null 2>&1
  36         # no package Provides it (strange)
  37         [ $? -ne 0 ] && return 0
  38         # only current package Provides it
  39         [ $(rpm -q --whatprovides "$mode($name)" | wc -l) -lt 2 ] && return 0
  40         return 1
  41 }
  42
  43 groupremove() {
  44         local name="$1"
  45         local gid=$(getgid "$name" 2>/dev/null)
  46
  47         echo "Removing group $name" | $(bannercmd "groupdel-$name")
  48         /usr/sbin/groupdel $name || :
  49
  50         # flush nscd cache
  51         [ ! -x /usr/sbin/nscd ] || /usr/sbin/nscd -i group
  52 }
  53
  54 userremove() {
  55         local uid=$(id -un "$name" 2>/dev/null)
  56
  57         echo "Removing user $name" | $(bannercmd "userdel-$name")
  58         /usr/sbin/userdel $name || :
  59
  60         # flush nscd cache
  61         [ ! -x /usr/sbin/nscd ] || /usr/sbin/nscd -i passwd
  62 }
  63
  64 remove() {
  65         local mode=$1
  66         local name=$2
  67         if ! testrm $mode $name; then
  68                 return
  69         fi
  70
  71         ${mode}remove $name
  72 }
  73
  74 addtogroup() {
  75         local user="$1"
  76         local group="$2"
  77         local uid=$(id -un "$user" 2>/dev/null)
  78         local gid=$(getgid "$group" 2>/dev/null)
  79
  80         if [ -z "$gid" ]; then
  81                 if [ "$quiet" ]; then
  82                         return
  83                 else
  84                         die "group $group does not exist"
  85                 fi
  86         fi
  87
  88         if [ -z "$uid" ]; then
  89                 if [ "$quiet" ]; then
  90                         return
  91                 else
  92                         die "user $user does not exist"
  93                 fi
  94         fi
  95
  96         groups=$(id -n -G $user)
  97         if [[ " $groups " != *\ $group\ * ]]; then
  98                 echo "Adding user $user to group $group" | $(bannercmd "${MODE}mod-$user")
  99                 for grp in $groups $group; do
 100                         new="$new${new:+,}$grp"
 101                 done
 102                 usermod -G "$new" $user
 103         fi
 104 }
 105
 106 if [ -x /usr/bin/banner.sh ]; then
 107         BANNERCMD="/usr/bin/banner.sh "
 108         BANNERPARA="-s -M user-group.error"
 109 else
 110         BANNERCMD="cat"
 111         BANNERPARA=""
 112 fi
 113
 114 if [ "$1" = user -o "$1" = group ]; then
 115         MODE=$1
 116         shift
 117 else
 118         die "Invalid usage"
 119 fi
 120
 121 # quiet mode cames from $ENV
 122 quiet=$quiet
 123
 124 case "$1" in
 125 testrm)
 126         testrm $MODE $2
 127         exit $?
 128         ;;
 129
 130 del)
 131         remove $MODE $2
 132         exit $?
 133         ;;
 134
 135 addtogroup)
 136         if [ "$MODE" = "user" ]; then
 137                 if [ -z "$2" -o -z "$3" ]; then
 138                         die "Invalid usage"
 139                 fi
 140                 addtogroup $2 $3
 141         fi
 142         ;;
 143 *)
 144         die "Invalid usage" 2
 145 esac