29 lines
980 B
Bash
Executable File
29 lines
980 B
Bash
Executable File
#!/bin/bash
|
|
#
|
|
# Conditionally try to mount a gocryptfs filesystem. If either
|
|
# * CIPHERDIR/gocryptfs.conf does not exist OR
|
|
# * something is already mounted on MOUNTPOINT
|
|
# print a message to stdout (not stderr!) but exit with 0.
|
|
#
|
|
# This is meant to be called from automated mount systems like pam_mount,
|
|
# where you want to avoid error messages if the filesystem does not exist,
|
|
# or duplicate mounts if the filesystem has already been mounted.
|
|
#
|
|
# Note that pam_mount ignores messages on stdout which is why printing
|
|
# to stdout is ok.
|
|
set -eu
|
|
MYNAME=$(basename $0)
|
|
if [[ $# -lt 2 || $1 == -* ]]; then
|
|
echo "Usage: $MYNAME CIPHERDIR MOUNTPOINT [-o COMMA-SEPARATED-OPTIONS]" >&2
|
|
exit 1
|
|
fi
|
|
if [[ ! -f $1/gocryptfs.conf ]]; then
|
|
echo "$MYNAME: \"$1\" does not look like a gocryptfs filesystem, ignoring mount request"
|
|
exit 0
|
|
fi
|
|
if mountpoint "$2" > /dev/null; then
|
|
echo "$MYNAME: something is already mounted on \"$2\", ignoring mount request"
|
|
exit 0
|
|
fi
|
|
exec gocryptfs "$@"
|