Merge pull request #760 from 4nd3r/__acl_improvements

__acl improvements

cdist/conf/type/__acl/explorer/acl_is

@@ -18,9 +18,14 @@
 # along with cdist. If not, see <http://www.gnu.org/licenses/>.
 #
 
-if [ -e "/$__object_id" ]
+[ ! -e "/$__object_id" ] && exit 0
+
+if ! command -v getfacl > /dev/null
 then
-    getfacl "/$__object_id" 2>/dev/null \
-        | grep -E '^((default:)?(user|group):[^:]|(default:)?mask::)' \
-        || true
+    echo 'getfacl not available' >&2
+    exit 1
 fi
+
+getfacl "/$__object_id" 2>/dev/null \
+    | grep -Eo '^(default:)?(user|group|(mask|other):):[^:][[:graph:]]+' \
+    || true

cdist/conf/type/__acl/explorer/file_is

@@ -0,0 +1,31 @@
+#!/bin/sh -e
+#
+# 2018 Ander Punnar (ander-at-kvlt-dot-ee)
+#
+# This file is part of cdist.
+#
+# cdist is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# cdist is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with cdist. If not, see <http://www.gnu.org/licenses/>.
+#
+
+if [ -e "/$__object_id" ]
+then
+    if [ -d "/$__object_id" ]
+    then echo directory
+    elif [ -f "/$__object_id" ]
+    then echo regular
+    else echo other
+    fi
+else
+    echo missing
+fi

cdist/conf/type/__acl/explorer/missing_users_groups

@@ -0,0 +1,47 @@
+#!/bin/sh -e
+#
+# 2019 Ander Punnar (ander-at-kvlt-dot-ee)
+#
+# This file is part of cdist.
+#
+# cdist is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# cdist is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with cdist. If not, see <http://www.gnu.org/licenses/>.
+#
+
+[ ! -e "/$__object_id" ] && exit 0
+
+for parameter in user group
+do
+    if [ ! -f "$__object/parameter/$parameter" ]
+    then
+        continue
+    fi
+
+    while read -r acl
+    do
+        check="$( echo "$acl" | awk -F: '{print $1}' )"
+
+        if [ "$parameter" = 'user' ]
+        then
+            getent_db=passwd
+        else
+            getent_db="$parameter"
+        fi
+
+        if ! getent "$getent_db" "$check" > /dev/null
+        then
+            echo "missing $parameter '$check'"
+        fi
+    done \
+        < "$__object/parameter/$parameter"
+done

cdist/conf/type/__acl/gencode-remote

@@ -18,43 +18,61 @@
 # along with cdist. If not, see <http://www.gnu.org/licenses/>.
 #
 
+file_is="$( cat "$__object/explorer/file_is" )"
+
+[ "$file_is" = 'missing' ] && exit 0
+
+missing_users_groups="$( cat "$__object/explorer/missing_users_groups" )"
+
+if [ -n "$missing_users_groups" ]
+then
+    echo "$missing_users_groups" >&2
+    exit 1
+fi
+
 os="$( cat "$__global/explorer/os" )"
 
+acl_is="$( cat "$__object/explorer/acl_is" )"
+
 acl_path="/$__object_id"
 
-acl_is="$( cat "$__object/explorer/acl_is" )"
+if [ -f "$__object/parameter/default" ] && [ "$file_is" = 'directory' ]
+then
+    set_default=1
+else
+    set_default=0
+fi
 
-acl_should="$( for parameter in user group
+acl_should="$( for parameter in user group mask other
 do
     if [ ! -f "$__object/parameter/$parameter" ]
-    then continue
+    then
+        continue
     fi
-    while read -r l
+
+    while read -r acl
     do
-        echo "$parameter:$l"
+        if echo "$acl" | awk -F: '{ print $NF }' | grep -Fq 'X'
+        then
+            [ "$file_is" = 'directory' ] && rep=x || rep=-
 
-        if [ -f "$__object/parameter/default" ]
-        then echo "default:$parameter:$l"
+            acl="$( echo "$acl" | sed "s/\(.*\)X/\1$rep/" )"
         fi
-    done < "$__object/parameter/$parameter"
-done
-if [ -f "$__object/parameter/mask" ]
-then
-    l=$( cat "$__object/parameter/mask" )
 
-    echo "mask::$l"
+        echo "$parameter" | grep -Eq '(mask|other)' && sep=:: || sep=:
 
-    if [ -f "$__object/parameter/default" ]
-    then echo "default:mask::$l"
-    fi
-fi
-)"
+        echo "$parameter$sep$acl"
+
+        [ "$set_default" = '1' ] && echo "default:$parameter$sep$acl"
+    done \
+        < "$__object/parameter/$parameter"
+done )"
 
 setfacl_exec='setfacl'
 
 if [ -f "$__object/parameter/recursive" ]
 then
-    if echo "$os" | grep -Eq 'macosx|netbsd|freebsd|openbsd'
+    if echo "$os" | grep -Eq 'macosx|freebsd'
     then
         echo "$os setfacl do not support recursive operations" >&2
     else
@@ -73,13 +91,23 @@ then
     else
         echo "$acl_is" | while read -r acl
         do
-            if echo "$acl_should" | grep -Fq "$acl"
+            # Skip wanted ACL entries which already exist
+            # and skip mask and other entries, because we
+            # can't actually remove them, but only change.
+            if echo "$acl_should" | grep -Eq "^$acl" \
+                || echo "$acl" | grep -Eq '^(default:)?(mask|other)'
             then continue
             fi
 
-            no_bits="$( echo "$acl" | sed -r 's/:[rwx-]+$//' )"
+            if echo "$os" | grep -Eq 'macosx|freebsd'
+            then
+                remove="$acl"
+            else
+                remove="$( echo "$acl" | sed 's/:...$//' )"
+            fi
 
-            echo "$setfacl_exec -x \"$no_bits\" \"$acl_path\""
+            echo "$setfacl_exec -x \"$remove\" \"$acl_path\""
+            echo "removed '$remove'" >> "$__messages_out"
         done
     fi
 fi
@@ -87,6 +115,14 @@ fi
 for acl in $acl_should
 do
     if ! echo "$acl_is" | grep -Eq "^$acl"
-    then echo "$setfacl_exec -m \"$acl\" \"$acl_path\""
+    then
+        if echo "$os" | grep -Eq 'macosx|freebsd' \
+            && echo "$acl" | grep -Eq '^default:'
+        then
+            echo "setting default ACL in $os is currently not supported. sorry :(" >&2
+        else
+            echo "$setfacl_exec -m \"$acl\" \"$acl_path\""
+            echo "added '$acl'" >> "$__messages_out"
+        fi
     fi
 done

cdist/conf/type/__acl/man.rst

@@ -3,20 +3,20 @@ cdist-type__acl(7)
 
 NAME
 ----
-cdist-type__acl - Basic wrapper around `setfacl`
+cdist-type__acl - Set ACL entries
 
 
 DESCRIPTION
 -----------
-ACL must be defined as 3-symbol combination, using `r`, `w`, `x` and `-`.
+ACL must be defined as 3-symbol combination, using ``r``, ``w``, ``x`` and ``-``.
 
-See setfacl(1) and acl(5) for more details.
+Fully supported on Linux (tested on Debian and CentOS).
 
+Partial support for FreeBSD, OSX and Solaris.
 
-OPTIONAL PARAMETERS
--------------------
-mask
-   Add mask ACL entry.
+OpenBSD and NetBSD support is not possible.
+
+See ``setfacl`` and ``acl`` manpages for more details.
 
 
 OPTIONAL MULTIPLE PARAMETERS
@@ -28,16 +28,26 @@ group
    Add group ACL entry.
 
 
+OPTIONAL PARAMETERS
+-------------------
+mask
+   Add mask ACL entry.
+
+other
+   Add other ACL entry.
+
+
 BOOLEAN PARAMETERS
 ------------------
 recursive
-   Operate recursively (Linux only).
+   Make ``setfacl`` recursive (Linux only), but not ``getfacl`` in explorer.
 
 default
-   Add default ACL entries.
+   Add default ACL entries (FreeBSD not supported).
 
 remove
    Remove undefined ACL entries (Solaris not supported).
+   ACL entries for ``mask`` and ``other`` can't be removed.
 
 
 EXAMPLES
@@ -53,7 +63,8 @@ EXAMPLES
         --user bob:r-x \
         --group project-group:rwx \
         --group some-other-group:r-x \
-        --mask r-x
+        --mask r-x \
+        --other r-x
 
 
 AUTHORS

cdist/conf/type/__acl/parameter/optional

@@ -1 +1,2 @@
 mask
+other