Mercurial > index.cgi > dotfiles

annotate .ssh/athome @ 270:6dc992e4fc4a

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fix that one too
author Steve Huston <huston@srhuston.net>
date Thu, 25 Apr 2024 13:21:10 -0400
parents 33541d73d6d7
children e7e331a51f2c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
265
df0b24d4fabd Think I'm ready to check this all in now; shared dotfiles that can be "sent"
Steve Huston <huston@srhuston.net>
parents:
diff changeset
1 #!/usr/bin/env bash
df0b24d4fabd Think I'm ready to check this all in now; shared dotfiles that can be "sent"
Steve Huston <huston@srhuston.net>
parents:
diff changeset
2
df0b24d4fabd Think I'm ready to check this all in now; shared dotfiles that can be "sent"
Steve Huston <huston@srhuston.net>
parents:
diff changeset
3 # Check to see if we're at home - does our externally routable IP address
df0b24d4fabd Think I'm ready to check this all in now; shared dotfiles that can be "sent"
Steve Huston <huston@srhuston.net>
parents:
diff changeset
4 # match the one on my home network. This should be fast, and needs to be
df0b24d4fabd Think I'm ready to check this all in now; shared dotfiles that can be "sent"
Steve Huston <huston@srhuston.net>
parents:
diff changeset
5 # portable so it works in multiple ways, but if everything else fails we'll
df0b24d4fabd Think I'm ready to check this all in now; shared dotfiles that can be "sent"
Steve Huston <huston@srhuston.net>
parents:
diff changeset
6 # return false which should still allow things to work.
df0b24d4fabd Think I'm ready to check this all in now; shared dotfiles that can be "sent"
Steve Huston <huston@srhuston.net>
parents:
diff changeset
7
df0b24d4fabd Think I'm ready to check this all in now; shared dotfiles that can be "sent"
Steve Huston <huston@srhuston.net>
parents:
diff changeset
8 # Logic swap for negating outputs
df0b24d4fabd Think I'm ready to check this all in now; shared dotfiles that can be "sent"
Steve Huston <huston@srhuston.net>
parents:
diff changeset
9 on=0
df0b24d4fabd Think I'm ready to check this all in now; shared dotfiles that can be "sent"
Steve Huston <huston@srhuston.net>
parents:
diff changeset
10 off=1
df0b24d4fabd Think I'm ready to check this all in now; shared dotfiles that can be "sent"
Steve Huston <huston@srhuston.net>
parents:
diff changeset
11 if [[ "$1" == "--not" ]] ; then
df0b24d4fabd Think I'm ready to check this all in now; shared dotfiles that can be "sent"
Steve Huston <huston@srhuston.net>
parents:
diff changeset
12 shift
df0b24d4fabd Think I'm ready to check this all in now; shared dotfiles that can be "sent"
Steve Huston <huston@srhuston.net>
parents:
diff changeset
13 on=1
df0b24d4fabd Think I'm ready to check this all in now; shared dotfiles that can be "sent"
Steve Huston <huston@srhuston.net>
parents:
diff changeset
14 off=0
df0b24d4fabd Think I'm ready to check this all in now; shared dotfiles that can be "sent"
Steve Huston <huston@srhuston.net>
parents:
diff changeset
15 fi
df0b24d4fabd Think I'm ready to check this all in now; shared dotfiles that can be "sent"
Steve Huston <huston@srhuston.net>
parents:
diff changeset
16
df0b24d4fabd Think I'm ready to check this all in now; shared dotfiles that can be "sent"
Steve Huston <huston@srhuston.net>
parents:
diff changeset
17 # Start by getting our current IP, this is surprisingly easy thanks to Amazon
df0b24d4fabd Think I'm ready to check this all in now; shared dotfiles that can be "sent"
Steve Huston <huston@srhuston.net>
parents:
diff changeset
18 MYIP=`curl -s checkip.amazonaws.com`
df0b24d4fabd Think I'm ready to check this all in now; shared dotfiles that can be "sent"
Steve Huston <huston@srhuston.net>
parents:
diff changeset
19
df0b24d4fabd Think I'm ready to check this all in now; shared dotfiles that can be "sent"
Steve Huston <huston@srhuston.net>
parents:
diff changeset
20 # Now how to get the home IP.. let's loop through ways it's possible
df0b24d4fabd Think I'm ready to check this all in now; shared dotfiles that can be "sent"
Steve Huston <huston@srhuston.net>
parents:
diff changeset
21 HOMEDNS="b6800200.eero.online"
df0b24d4fabd Think I'm ready to check this all in now; shared dotfiles that can be "sent"
Steve Huston <huston@srhuston.net>
parents:
diff changeset
22
266
33541d73d6d7 RHEL8 at least has different syntax for which, this should allow both to work
Steve Huston <huston@princeton.edu>
parents: 265
diff changeset
23 if which -s getent awk > /dev/null 2>&1 ; then
265
df0b24d4fabd Think I'm ready to check this all in now; shared dotfiles that can be "sent"
Steve Huston <huston@srhuston.net>
parents:
diff changeset
24 HOMEIP=`getent ahostsv4 $HOMEDNS | awk '{print $1; exit}'`
270
6dc992e4fc4a Fix that one too
Steve Huston <huston@srhuston.net>
parents: 266
diff changeset
25 elif which -s dig > /dev/null 2>&1 ; then
265
df0b24d4fabd Think I'm ready to check this all in now; shared dotfiles that can be "sent"
Steve Huston <huston@srhuston.net>
parents:
diff changeset
26 HOMEIP=`dig +short $HOMEDNS`
df0b24d4fabd Think I'm ready to check this all in now; shared dotfiles that can be "sent"
Steve Huston <huston@srhuston.net>
parents:
diff changeset
27 else
df0b24d4fabd Think I'm ready to check this all in now; shared dotfiles that can be "sent"
Steve Huston <huston@srhuston.net>
parents:
diff changeset
28 exit $off
df0b24d4fabd Think I'm ready to check this all in now; shared dotfiles that can be "sent"
Steve Huston <huston@srhuston.net>
parents:
diff changeset
29 fi
df0b24d4fabd Think I'm ready to check this all in now; shared dotfiles that can be "sent"
Steve Huston <huston@srhuston.net>
parents:
diff changeset
30
df0b24d4fabd Think I'm ready to check this all in now; shared dotfiles that can be "sent"
Steve Huston <huston@srhuston.net>
parents:
diff changeset
31 [[ $MYIP == $HOMEIP ]] && exit $on || exit $off