diff options
Diffstat (limited to 'debian/local/dynamic')
| -rw-r--r-- | debian/local/dynamic | 435 |
1 files changed, 0 insertions, 435 deletions
diff --git a/debian/local/dynamic b/debian/local/dynamic deleted file mode 100644 index 7a72732..0000000 --- a/debian/local/dynamic +++ /dev/null @@ -1,435 +0,0 @@ -#!/bin/sh -#------------------------------------------------------------------------ -# -# $Sendmail: dynamic,v 8.14.2 2007-11-02 22:20:56 cowboy Exp $ -# -# Shell functions to handle dynamic network updates. -# Supports ppp, dhcp, ifup/down, etc. -# -# Copyright (c) 2004-2007 Richard Nelson. All Rights Reserved. -# -# This script is called from the following places: -# /etc/ppp/ip-down.d/sendmail #\ -# /etc/ppp/ip-up.d/sendmail # | These are deprecated -# /etc/dhcp3/dhclient-exit-hooks.d/sendmail #/ -# /etc/network/if-down.d/sendmail #standard -# /etc/network/if-post-down.d/sendmail #standard -# /etc/network/if-up.d/sendmail #standard -# /etc/resolvconf/update-libc.d/sendmail #More or less useless :( -# -# The other half of the logic is in /etc/mail/sendmail.conf -# -# DAEMON_NETMODE="Dynamic"; Keyword SMTP network mode -# static: Do not monitor any network interfaces for changes -# dynamic: Monitor one or more interfaces for changes -# -# DAEMON_NETIF="eth0"; string SMTP interface(s) -# This parameter defines the network interface(s) that the daemon -# will monitor for status changes (via ppp, dhcp, ifup/down hooks). -# -# NOTES: -# 1) Only list more than one interfaces if they only used for fallback, -# otherwise the daemon will wind up ping-ponging between interfaces. -# 2) Do not use 'lo' unless your daemon only listens on the localhost. -# -# LOG_CMDS="No"; Binary command logging flag -# Will cause syslog entries for many of the sendmail related commands -# like runq, mailq, etc - you'll also see cron jobs (if enabled). -# -# HANDS_OFF="No"; Binary Do *NOT* touch the configuration -# Set this *ONLY* if you are going to be fully responsible for the entire -# setup of sendmail - the directories, permissions, databases, etc. With -# this variable set to "Yes", nothing will be done for you during -# updates. -# -# In other words, "The blood be upon your hands" if you set this... -# My ability to help with problems will be greatly reduced ! -# -# "Well, a pet peeve of mine is people who directly edit the -# .cf file instead of using the m4 configuration files. -# Don't do it! [laughs] I treat the .cf file as a binary -# file - you should too." -# -- Eric Allman 1999/10/18 -# -#------------------------------------------------------------------------ -# - -# The files we may alter -provider_m4='/etc/mail/m4/provider.m4'; -dialup_m4='/etc/mail/m4/dialup.m4'; - -# Default values -SM_ignore=0; # Ignore any changes -SM_changed=0; # Something has changed, dunno what -SM_delay=0; # Expect another call soon, do work then -SM_interface=''; # The interface that changed -SM_state=''; # How the interface changed -SM_provider=''; # ISP/domain name/IPPARM/etc -SM_ip=''; # IP for the interface -SM_host=''; # Reverse FQDN of IP -SM_debug=1; # Of minimal value - -# Path to other sendmail helpers -if [ -x ./update_sendmail ]; then - sm_path='.'; -elif [ -x $(/usr/bin/dirname $0)/update_sendmail ]; then - sm_path=$(/usr/bin/dirname $0); -else - sm_path=/usr/share/sendmail; - fi; - -# Bring in sendmail.conf for the network definitions -if [ ! -f /etc/mail/sendmail.conf ]; then - if [ -x $sm_path/update_conf ]; then - $sm_path/update_conf; - fi; - fi; -DAEMON_NETMODE='Static'; -DAEMON_NETIF=''; -HANDS_OFF='No'; -LOG_CMDS='Yes'; -if [ -f /etc/mail/sendmail.conf ]; then - . /etc/mail/sendmail.conf; - fi; - -# Record information on an interface and its status -update_interface() { - SM_interface="$1"; - SM_reason="$2"; - - # Translate DHCP style actions to a simple up/down - case "$SM_reason" in - DOWN|EXPIRE|FAIL|RELEASE|STOP) # and TIMEOUT too ??? - SM_state='down'; - ;; - UP|BOUND|RENEW|REBIND|REBOOT|TIMEOUT) # why TIMEOUT here ??? - SM_state='up'; - if [ "$SM_reason" = "BOUND" ]; then - SM_changed=1; - fi; - ;; - *) - SM_state='unknown'; - ;; - esac; - - # Mark what we're doing... - local msg="$SM_interface $SM_state $SM_provider $SM_ip $SM_host"; - if [ "$LOG_CMDS" != 'No' ]; then - /usr/bin/logger -i -p mail.debug -- "$0 (dynamic) update_interface: $msg"; - fi; - - # Do absolutely nothing if they say so... - if [ "$HANDS_OFF" != 'No' ]; then - SM_ignore=1; - fi; - if [ -z "$SM_interface" ]; then - SM_ignore=1; - fi; - - # Check to see if we care about this interface - if [ $SM_ignore -eq 0 ]; then - SM_ignore=1; - for if in $DAEMON_NETIF; do - if [ "$if" = "$SM_interface" ]; then - SM_ignore=0; - break; - fi; - done; - fi; - - if [ $SM_ignore -ne 0 ]; then - return; - fi; - }; - -# Record information about the upstream provider -update_provider() { - SM_provider="$1"; - - # Mark what we're doing... - local msg="$SM_interface $SM_state $SM_provider $SM_ip $SM_host"; - if [ "$LOG_CMDS" != 'No' ]; then - /usr/bin/logger -i -p mail.debug -- "$0 (dynamic) update_provider: $msg"; - fi; - - # Do absolutely nothing if they say so... - if [ "$HANDS_OFF" != 'No' ]; then - SM_ignore=1; - fi; - if [ $SM_ignore -ne 0 ]; then - return; - fi; - # Add smarthost information (if any)... - # But not if provider.m4 is a link ! - if [ -z "$SM_provider" ]; then - return; - fi; - if [ ! -e "/etc/mail/peers/$SM_provider" ]; then - SM_provider='default'; - fi; - if [ -e "/etc/mail/peers/$SM_provider" ] \ - && [ ! -L "$provider_m4" ]; then - SM_changed=1; - cat <<-EOT > "$provider_m4"; - LOCAL_CONFIG - #------------------------------------------------------------ - # - # Dynamic provider updates from $0: - # Device=$SM_interface - # State=$SM_state - # Provider=$SM_provider - # - # NOTE: The following line *MUST* be in /etc/mail/sendmail.mc - #dnl include(\`/etc/mail/provider.m4')dnl - # - # You may also need to include this file in submit.mc ! - # - # Provider information from /etc/mail/peers/$SM_provider - EOT - cat "/etc/mail/peers/$SM_provider" >> "$provider_m4"; - cat <<-EOT >> "$provider_m4"; - #------------------------------------------------------------ - EOT - fi; - }; - -# Record information on an ip/host -update_host() { - SM_ip="$1"; - - # Mark what we're doing... - local msg="$SM_interface $SM_state $SM_provider $SM_ip $SM_host"; - if [ "$LOG_CMDS" != 'No' ]; then - /usr/bin/logger -i -p mail.debug -- "$0 (dynamic) update_host: $msg"; - fi; - - # Do absolutely nothing if they say so... - if [ "$HANDS_OFF" != 'No' ]; then - SM_ignore=1; - fi; - if [ $SM_ignore -ne 0 ]; then - return; - fi; - if [ -z "$SM_ip" ]; then - return; - fi; - find_host; - if [ $SM_ignore -ne 0 ]; then - return; - fi; - # Add ip related information (if any)... - # But not if dialup.m4 is a link ! - if [ ! -L "$dialup_m4" ]; then - SM_changed=1; - cat <<-EOT > "$dialup_m4"; - LOCAL_CONFIG - #------------------------------------------------------------ - # - # Dynamic host/ip updates from $0: - # Device=$SM_interface - # State=$SM_state - # Provider=$SM_provider - # IP=$SM_ip - # Host=$SM_host - # - # NOTE: The following line *MUST* be in /etc/mail/sendmail.mc - #dnl include(\`/etc/mail/dialup.m4')dnl - # - # This should *NOT* be included in submit.mc ! - # - # Make sure we accept mail as this ip (for bounces, etc) - Cw$SM_ip - EOT - if [ -z "$SM_host" ]; then - cat <<-EOT >> "$dialup_m4"; - # - # Rats... FQDN lookup failed, your kit is incomplete :( - EOT - else - cat <<-EOT >> "$dialup_m4"; - # - # Define our true hostname (from our ISP) - becomes \$j - define(\`confDOMAIN_NAME', \`$SM_host')dnl - # - # Make sure we accept mail as this name (for bounces, etc) - Cw$SM_host - # - # Add our hostname to class G for genericstable support - CG$SM_host - #------------------------------------------------------------ - EOT - fi; - fi; - }; - -# DNS support changed, we may (or may not) have a new name -# but in any case, we may have stale host info in the queue -update_resolv() { - - # Mark what we're doing... - local msg="$SM_interface $SM_state $SM_provider $SM_ip $SM_host"; - if [ "$LOG_CMDS" != 'No' ]; then - /usr/bin/logger -i -p mail.debug -- "$0 (dynamic) update_resolv: $msg"; - fi; - - # Do absolutely nothing if they say so... - if [ "$HANDS_OFF" != 'No' ]; then - SM_ignore=1; - fi; - if [ $SM_ignore -ne 0 ]; then - return; - fi; - - # Ideally, we should re-check our IP if we didn't find the - # FQDN previously - but we need a state file to do that :( - # - # Hell, we don't even know what IF is, and if it is up or down :( - - #SM_interface='?'; #\ - #SM_state='up'; # \ - #SM_provider='?'; # | Need to get these from somewhere ! - #SM_ip='?'; # / - #SM_host='?'; #/ - #find_host; - - # Purge any latent host status that might cause us to *NOT* send mail - if [ -x /etc/init.d/sendmail ]; then - /etc/init.d/sendmail purgestat now - fi; - - # resolvconf is called as a DHCP pre-exit, so we'll defer any changes - SM_changed=0; - } - -# Attempt to locate our FQDN -find_host() { - # Determine our fqdn from our ISP - maxloop=30; - cntr=0; - SM_host=''; - until (test ! -z "$SM_host"); do - cntr=`expr $cntr + 1`; - if [ $cntr -gt $maxloop ]; then - SM_host=''; - break; - fi; - rev=$(host $SM_ip); - SM_host=$(echo "$rev" | grep '^Name:' | awk '{print $2}'); - if [ -z "$SM_host" ]; then - test=$(echo "$rev" | egrep -e 'not found:'); - if [ -n "$test" ]; then - continue; - else - SM_host=${rev##*domain name pointer }; - SM_host=${SM_host%.}; - fi; - fi; - test=$(echo $SM_host | cut -d ' ' -f 1); - # continue scanning if we get this: - # ;; connection timed out; no servers could be reached - if [ "$test" = ";;" ]; then - SM_host=''; - elif [ "$test" != "**" ]; then - break; - fi; - sleep 1s; - done; - - # See if we actually found a host ! - if [ -z "$SM_host" ]; then - # Drats, no host name :( - # We have a few choices - none pretty - # 1) Do not start sendmail - # 2) Use the info we have (ip) - but - # then we may not accept mail we should, - # accept mail we should not, - # and our ougoing name may be wrong - # 3) Use the last known hostname - # If it is not correct, we have the same - # exposurs as option 2 ! - # - # For the nonce, I choose option 2 - : - fi; - - if [ $SM_debug -ne 0 ]; then - echo "addr=$SM_ip, name=$SM_host"; - fi; - }; - -# If our state has changed in any way, update sendmail -update_sendmail() { - SM_caller="$1"; - SM_opts="$2"; - - # Mark what we're doing... - local msg="$SM_interface $SM_state $SM_provider $SM_ip $SM_host"; - if [ "$LOG_CMDS" != 'No' ]; then - /usr/bin/logger -i -p mail.debug -- "$0 (dynamic) update_sendmail: $msg"; - fi; - - # Do absolutely nothing if they say so... - if [ "$HANDS_OFF" != 'No' ]; then - SM_ignore=1; - fi; - if [ $SM_ignore -ne 0 ]; then - return; - fi; - - # Check for a delayed restart (for DHCP/PPP) - case "$SM_opts" in - [Dd]*) - if [ "$SM_state" = 'up' ]; then - SM_delay=1; - fi; - ;; - esac; - - if [ "$SM_state" = 'down' ]; then - SM_changed=1; - cat <<-EOT > "$dialup_m4"; - LOCAL_CONFIG - #------------------------------------------------------------ - # Dynamic host/ip updates from $0: - # Device=$SM_interface - # State=$SM_state - # Provider=$SM_provider - # IP=$SM_ip - # Host=$SM_host - # - # NOTE: The following line *MUST* be in /etc/mail/sendmail.mc - #dnl include(\`/etc/mail/dialup.m4')dnl - # This should *NOT* be included in submit.mc ! - # - # sendmail is to only queue messages until connected again - define(\`confDELIVERY_MODE', \`deferred')dnl - # - # Allow the queue to age without carping every four hours - define(\`confTO_QUEUEWARN',\`1d')dnl - # - # Don't keep host status while the network is down - define(\`confHOST_STATUS_DIRECTORY')dnl - #------------------------------------------------------------ - EOT - fi; - - if [ $SM_changed -eq 1 ]; then - # Build a new sendmail.cf from sendmail.mc, including our address. - /usr/bin/make -f /etc/mail/Makefile sendmail.cf; - /usr/bin/make -f /etc/mail/Makefile; - - # Purge any latent host status that might cause us to *NOT* send mail - # Reload sendmail, IFF already running - if [ -x /etc/init.d/sendmail ]; then - /etc/init.d/sendmail purgestat now - /etc/init.d/sendmail reload-if-running; # up, or down - fi; - fi; - - # Process the sendmail queue - # (background so as to not defer other ip-up work) - # This can be fatal on IF ping-pongs :( - # runq & - }; - |