added check_tmp_noexec() to check secured /tmp partitions

1 files changed, 21 insertions, 0 deletions

diff --git a/FUNCTIONS b/FUNCTIONS
index b991bae1d7..d328f523f5 100755
--- a/FUNCTIONS
+++ b/FUNCTIONS
@@ -712,6 +712,27 @@ function is_version_less() {
 }
 
 #---
+## Check sanity of a temporary partition
+## @param $1 - the partition to check for
+#---
+function check_tmp_noexec() {
+  if [[ -z $1 ]]; then
+    message "${PROBLEM_COLOR}Partition name cannot be empty${DEFAULT_COLOR}" &&
+    return 1
+  fi &&
+
+  if awk -v tmp=$1 '{ if ($2 == tmp) print $4 }' < /proc/mounts | grep -q noexec; then
+    message -n "${MESSAGE_COLOR}Remounting $1 with exec option (required for build)... " &&
+    mount -o exec,remount $1 &&
+    message "done${DEFAULT_COLOR}"
+  else
+    message -n "${MESSAGE_COLOR}Restoring $1 mount options..." &&
+    mount -o noexec,remount $1 &&
+    message "done${DEFAULT_COLOR}"
+  fi
+}
+
+#---
 ## Simple version check with force depends
 ## @params $1 - the spell to check the version of
 ## @params $2 - the simple version to check against