add functions

distro_sudo_group
change_user_password
user_group_id
add_recovery_user
rename_user

modules/utility/user.lib

@@ -1,5 +1,7 @@
 #!/bin/bash
 
+
+
 user_id () {
     local id;local user
     echo -n $(id -u ${1:-$USER} 2> /dev/null)
@@ -13,15 +15,35 @@ is_user () {
   user_id $1
 }
 
+change_user_password () {
+local user=${1:-$USER}
+[[ ! $(is_user $user) ]] && echo $user is not a system user && return 1
+module_load confirm
+confirm you are about the change the password for $user, continue? &&  sudo /bin/passwd $user
+}
+
 #group name plus optional username or id
 is_user_group () {
     # echo id -nG ${2:-$USER} 
     # id -nG ${2:-$USER} | grep -w "sudo"
-    if id -nG ${2:-$USER} | grep -qw "$1"; then echo ${2:-$USER} in $1; fi
+    if id -nG ${2:-$USER} | grep -qw "$1"; then ${2:-$USER} in echo $1; fi
 }
 
 is_user_sudo () {
  is_user_group sudo $1
+ is_user_group wheel $1
+}
+
+distro_sudo_group () {
+    if getent group | grep sudo &> /dev/null ; then
+    echo sudo
+    return 0
+    elif getent group | grep wheel &> /dev/null; then
+        echo wheel
+        return 0
+        else
+        return 1
+    fi
 }
 
 user_group_add() {
@@ -30,6 +52,23 @@ user_group_add() {
   sudo usermod -a -G $1 $USER
 }
 
+user_group_id_match () {
+    module_load confirm
+    local user=${1:-$USER} 
+    local gid=$(id -g $user)
+    local uid=$(id -u $user)
+    [[ $uid -eq $gid ]] && echo "ids match nothing to do" && return 0
+    [[ ! $user == $(id -gn $user) ]] && echo user $user default group name is NOT the same name  && return 1
+    echo DANGER ZONE! changing current default group id for $user from $gid to $uid
+    if confirm -s continue; then
+    sudo /bin/find /home/$user -gid $gid -exec chgrp -v $uid '{}' \;
+    sudo groupmod -g $uid $user
+    sudo usermod -g $uid $user
+    echo "only /home/$user directroy group was changed to $uid"
+    echo "may have to change group from $gid to $uid elsewhere, e.g., sudo chown -R :$user <some dir>"
+    fi
+}
+
 # TODO change a user name
 # sudo usermod -d /home/joedoe -m johndoe 
 # sudo groupmod -n johndoe student1
@@ -58,12 +97,25 @@ echo $name, $uid, $gid
 [[ $(getent passwd $uid) ]] && echo user id $uid already exists, aborting && return 2
 [[ $(getent passwd $name) ]] && echo user name $name already exists, aborting && return 2
 
+# todo use useradd and groupadd 
 addgroup --gid $gid $name 
 adduser --uid $uid --ingroup $name --gecos ""  --disabled-password --no-create-home $name
 # cat /etc/group | grep $name && cat /etc/passwd | grep $name  
 
 }    
 
+add_recovery_user () {
+ user=${1:-recovery}   
+ if [[ $(is_user 2000) ]] ; then   
+ echo "a recovery user with uid of 2000 already exists"
+ else
+  sudo useradd -u 2000 -N -s /bin/bash -G $(distro_sudo_group) $user
+  [[ $? -gt 0 ]] && echo error creating recovery user: $user
+  echo setting the password for recovery user: $user
+  sudo passwd recovery
+ fi
+}
+
 function clone_user_ () {
 
     module_load confirm
@@ -167,7 +219,7 @@ clone_user () {
     fi
 }
 
-rename_user () {
+rename_user_ () {
 
     module_load confirm   
     local force; local name; local newname; local newhome
@@ -204,3 +256,16 @@ rename_user () {
     echo sudo groupmod -n $newname $name
     echo sudo usermod --d $newhome --m $name
 }
+
+
+rename_user () {
+    if [[ $EUID != 0 ]]; then
+
+        rename=$(declare -f rename_user_)
+        module_load confirm
+        confirm=$(declare -f confirm)
+        sudo bash -c "$confirm; $rename; rename_user_"
+    else 
+    echo run as regular user with sudo privliges and it will elevate 
+    fi
+}