diff options
Diffstat (limited to 'src/platform/openbsd.sh')
| -rw-r--r-- | src/platform/openbsd.sh | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/platform/openbsd.sh b/src/platform/openbsd.sh new file mode 100644 index 0000000..b66b32f --- /dev/null +++ b/src/platform/openbsd.sh @@ -0,0 +1,40 @@ +# Copyright (C) 2012 Jonathan Chu <milki@rescomp.berkeley.edu>. All Rights Reserved. +# Copyright (C) 2015 David Dahlberg <david.dahlberg@fkie.fraunhofer.de>. All Rights Reserved. +# This file is licensed under the GPLv2+. Please see COPYING for more information. + +tmpdir() { + [[ -n $SECURE_TMPDIR ]] && return + local warn=1 + [[ $1 == "nowarn" ]] && warn=0 + local template="$PROGRAM.XXXXXXXXXXXXX" + if [[ $(sysctl -n kern.usermount) == 1 ]]; then + SECURE_TMPDIR="$(mktemp -d "${TMPDIR:-/tmp}/$template")" + mount -t tmpfs -o -s16M tmpfs "$SECURE_TMPDIR" || die "Error: could not create tmpfs." + unmount_tmpdir() { + [[ -n $SECURE_TMPDIR && -d $SECURE_TMPDIR ]] || return + umount "$SECURE_TMPDIR" + rm -rf "$SECURE_TMPDIR" + } + trap unmount_tmpdir INT TERM EXIT + else + [[ $warn -eq 1 ]] && yesno "$(cat <<-_EOF + The sysctl kern.usermount is disabled, therefore it is not + possible to create a tmpfs for temporary storage of files + in memory. + This means that it may be difficult to entirely erase + the temporary non-encrypted password file after editing. + + Are you sure you would like to continue? + _EOF + )" + SECURE_TMPDIR="$(mktemp -d "${TMPDIR:-/tmp}/$template")" + shred_tmpfile() { + find "$SECURE_TMPDIR" -type f -exec $SHRED {} + + rm -rf "$SECURE_TMPDIR" + } + trap shred_tmpfile INT TERM EXIT + fi +} + +GETOPT="gnugetopt" +SHRED="rm -P -f" |