aboutsummaryrefslogtreecommitdiffstats
path: root/init-sh/grpuser
diff options
context:
space:
mode:
authorYoann Vandoorselaere <yoann@mandriva.com>1999-11-25 19:44:10 +0000
committerYoann Vandoorselaere <yoann@mandriva.com>1999-11-25 19:44:10 +0000
commit78b13ca5f0677f9e6e5a07a18473a2d7724b51d0 (patch)
tree1aa278480009928f545f8668bc87c4eaafbc7e7b /init-sh/grpuser
parent7f3bfad3df657529ee81b741c6fb10d847315c85 (diff)
downloadmsec-78b13ca5f0677f9e6e5a07a18473a2d7724b51d0.tar
msec-78b13ca5f0677f9e6e5a07a18473a2d7724b51d0.tar.gz
msec-78b13ca5f0677f9e6e5a07a18473a2d7724b51d0.tar.bz2
msec-78b13ca5f0677f9e6e5a07a18473a2d7724b51d0.tar.xz
msec-78b13ca5f0677f9e6e5a07a18473a2d7724b51d0.zip
Initial revision
Diffstat (limited to 'init-sh/grpuser')
-rwxr-xr-xinit-sh/grpuser152
1 files changed, 152 insertions, 0 deletions
diff --git a/init-sh/grpuser b/init-sh/grpuser
new file mode 100755
index 0000000..408e384
--- /dev/null
+++ b/init-sh/grpuser
@@ -0,0 +1,152 @@
+#!/bin/sh
+
+#
+# Writen by Vandoorselaere Yoann <yoann@mandrakesoft.com>
+# Thanks to Francis Galiegue.
+#
+
+file="group"
+group_line=""
+new_group_line=""
+group_name=$2
+user_name=$3
+
+Usage() {
+ echo "Usage :"
+ echo " --add [ groupname ] [ username ] ---> Add an user to a group."
+ echo " --del [ groupname ] [ username ] ---> Delete an user from a group."
+}
+
+ModifyFile() {
+ mv /etc/${file} /tmp/${file}.old
+
+ head -$((group_line_number - 1)) /tmp/${file}.old > /etc/${file}
+ echo "${new_group_line}" >> /etc/${file}
+ tail +$((group_line_number + 1)) /tmp/${file}.old >> /etc/${file}
+
+ rm -f /tmp/${file}.old
+}
+
+RemoveUserFromGroup() {
+ new_group_line=${group}`echo ${group_users} |
+ sed -e s/,${user_name}$//g -e s/${user_name},//g -e s/${user_name}$//g`
+}
+
+AppendUserToGroup() {
+ if [ -z "${group_users}" ]; then
+ new_group_line=${group_line}${user_name}
+ else
+ new_group_line=${group_line}",${user_name}"
+ fi
+}
+
+IsUserAlreadyInGroup() {
+ if echo "${group_users}" | grep -qw "${user_name}"; then
+ return 1
+ fi
+
+ return 0
+}
+
+IsGroupExisting() {
+ group_line=""
+ group_line_number=""
+
+ # We get some group infos as well, will be used later
+ tmp=`grep -n "^${group_name}:" /etc/${file} | tr -d " "`
+
+ group_line_number=`echo ${tmp} | awk -F: '{print $1}'`
+ group=`echo ${tmp} | awk -F: '{print $2":"$3":"$4":"}'`
+ group_users=`echo ${tmp} | awk -F: '{print $5}'`
+ group_line=`echo ${tmp} | awk -F: '{print $2":"$3":"$4":"$5}'`
+
+ [ -z "${tmp}" ] && return 0
+ return 1
+}
+
+IsUserExisting() {
+ grep -qn "^${user_name}:" /etc/passwd
+ if [ $? == 0 ]; then
+ return 0;
+ fi
+
+ return 1;
+}
+
+Add() {
+ IsGroupExisting;
+ if [ $? == 0 ]; then
+ echo "Sorry, group \"${group_name}\" does not exist."
+ echo "Please create it using the \"groupadd\" command."
+ exit 1
+ fi
+
+ IsUserExisting;
+ if [ $? == 1 ]; then
+ echo "Sorry, user \"${user_name}\" does not exist."
+ exit 1
+ fi
+
+ IsUserAlreadyInGroup;
+ if [ $? == 1 ]; then
+ echo "Sorry, user \"${user_name}\" is already in group \"${group_name}\"."
+ exit 1
+ fi
+
+ AppendUserToGroup;
+ ModifyFile;
+
+ exit 0
+}
+
+Del() {
+ IsGroupExisting;
+ if [ $? == 0 ]; then
+ echo "Sorry, group \"${group_name}\" does not exist."
+ exit 1
+ fi
+
+ IsUserAlreadyInGroup;
+ if [ $? == 0 ]; then
+ echo "Sorry, user \"${user_name}\" is not in group \"${group_name}\"."
+ exit 1
+ fi
+
+ RemoveUserFromGroup;
+ ModifyFile;
+
+ exit 0
+}
+
+Perm() {
+ if [ ! -w /etc/${file} ]; then
+ echo "You're not allowed to write to /etc/group..."
+ exit 1
+ fi
+}
+
+if [ $# == 3 ]; then
+ case $1 in
+ "--add")
+ Perm;
+ Add;
+ exit 0
+ ;;
+ "--del")
+ Perm;
+ Del;
+ exit 0
+ ;;
+ esac
+ Usage;
+ exit 0
+else
+ Usage;
+fi
+
+
+
+
+
+
+