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-rw-r--r--etc/sysconfig/dhcpd-control5
-rw-r--r--etc/updatezone/dhcpd-control.conf1
-rwxr-xr-xusr/share/updatezone/dhcpd-control.sh300
-rw-r--r--usr/share/updatezone/docs/updatezone.spec2
4 files changed, 307 insertions, 1 deletions
diff --git a/etc/sysconfig/dhcpd-control b/etc/sysconfig/dhcpd-control
new file mode 100644
index 0000000..3073169
--- /dev/null
+++ b/etc/sysconfig/dhcpd-control
@@ -0,0 +1,5 @@
+DHCPD_CONTROL_COMBINED_FILE=/etc/dhcp/dhcpd.combined.conf
+DHCPD_CONTROL_DHCPD_FILE=/etc/dhcp/dhcpd.conf
+DHCPD_CONTROL_LEASES_FILE=/var/lib/dhcpd/dhcpd.leases
+DHCPD_CONTROL_LEASES_TEMP_FILE=/var/lib/dhcpd/dhcpd.leases~
+DHCPD_CONTROL_SERVICE=dhcpd
diff --git a/etc/updatezone/dhcpd-control.conf b/etc/updatezone/dhcpd-control.conf
new file mode 100644
index 0000000..ef8bc52
--- /dev/null
+++ b/etc/updatezone/dhcpd-control.conf
@@ -0,0 +1 @@
+[dhcpd-control]
diff --git a/usr/share/updatezone/dhcpd-control.sh b/usr/share/updatezone/dhcpd-control.sh
new file mode 100755
index 0000000..a334a93
--- /dev/null
+++ b/usr/share/updatezone/dhcpd-control.sh
@@ -0,0 +1,300 @@
+#!/bin/sh
+# Filename: dhcpd-control.sh
+# Location:
+# Author: bgstack15@gmail.com
+# Startdate: 2017-05-28 18:18:46
+# Title: Script that Facilitates the Configuration of DHCPD
+# Purpose:
+# Package:
+# History:
+# Usage:
+# Reference: ftemplate.sh 2017-05-24a; framework.sh 2017-05-24a
+# Improve:
+fiversion="2017-05-24a"
+dhcpdcontrolversion="2017-05-28a"
+
+usage() {
+ less -F >&2 <<ENDUSAGE
+usage: dhcpd-control.sh [-duV] [ --flush | --edit | --edit-local | --remove-mac <mac> ] [ --force ]
+version ${dhcpdcontrolversion}
+ -d debug Show debugging info, including parsed variables.
+ -u usage Show this usage block.
+ -V version Show script version number.
+ --flush Clears all current leases
+ --edit Edit the combined file-- the one shared by both servers.
+ --edit-local Edit the local file.
+ --remove-mac <MAC> Clears the leases for this MAC address.
+Return values:
+0 Normal
+1 Help or version info displayed
+2 Count or type of flaglessvals is incorrect
+3 Incorrect OS type
+4 Unable to find dependency
+5 Not run as root or sudo
+ENDUSAGE
+}
+
+# DEFINE FUNCTIONS
+
+# DEFINE TRAPS
+
+clean_dhcpdcontrol() {
+ #rm -f ${logfile} > /dev/null 2>&1
+ [ ] #use at end of entire script if you need to clean up tmpfiles
+}
+
+CTRLC() {
+ #trap "CTRLC" 2
+ [ ] #useful for controlling the ctrl+c keystroke
+}
+
+CTRLZ() {
+ #trap "CTRLZ" 18
+ [ ] #useful for controlling the ctrl+z keystroke
+}
+
+parseFlag() {
+ flag="$1"
+ hasval=0
+ case ${flag} in
+ # INSERT FLAGS HERE
+ "d" | "debug" | "DEBUG" | "dd" ) setdebug; ferror "debug level ${debug}";;
+ "u" | "usage" | "help" | "h" ) usage; exit 1;;
+ "V" | "fcheck" | "version" ) ferror "${scriptfile} version ${dhcpdcontrolversion}"; exit 1;;
+ #"i" | "infile" | "inputfile" ) getval;infile1=${tempval};;
+ "f" | "force" ) DHCPD_CONTROL_FORCE=1;;
+ "flush" ) action="flush";;
+ "edit-local" ) action="edit-local";;
+ "edit" ) action="edit";;
+ "remove-mac" ) getval; DHCPD_CONTROL_MAC_TO_REMOVE="${tempval}";;
+ esac
+
+ debuglev 10 && { test ${hasval} -eq 1 && ferror "flag: ${flag} = ${tempval}" || ferror "flag: ${flag}"; }
+}
+
+# DETERMINE LOCATION OF FRAMEWORK
+while read flocation; do if test -x ${flocation} && test "$( ${flocation} --fcheck )" -ge 20170524; then frameworkscript="${flocation}"; break; fi; done <<EOFLOCATIONS
+./framework.sh
+${scriptdir}/framework.sh
+~/bin/bgscripts/framework.sh
+~/bin/framework.sh
+~/bgscripts/framework.sh
+~/framework.sh
+/usr/local/bin/bgscripts/framework.sh
+/usr/local/bin/framework.sh
+/usr/bin/bgscripts/framework.sh
+/usr/bin/framework.sh
+/bin/bgscripts/framework.sh
+/usr/share/bgscripts/framework.sh
+EOFLOCATIONS
+test -z "${frameworkscript}" && echo "$0: framework not found. Aborted." 1>&2 && exit 4
+
+# INITIALIZE VARIABLES
+# variables set in framework:
+# today server thistty scriptdir scriptfile scripttrim
+# is_cronjob stdin_piped stdout_piped stderr_piped sendsh sendopts
+. ${frameworkscript} || echo "$0: framework did not run properly. Continuing..." 1>&2
+infile1=
+outfile1=
+logfile=${scriptdir}/${scripttrim}.${today}.out
+action=""
+define_if_new interestedparties "bgstack15@gmail.com"
+# SIMPLECONF
+#define_if_new default_conffile "/etc/sysconfig/dhcpd-control"
+define_if_new default_conffile "/home/bgirton/rpmbuild/SOURCES/updatezone-0.0-2/etc/sysconfig/dhcpd-control"
+#define_if_new defuser_conffile ~/.config/dhcpdcontrol/dhcpdcontrol.conf
+define_if_new EDITOR vi
+
+# REACT TO OPERATING SYSTEM TYPE
+case $( uname -s ) in
+ Linux) [ ];;
+ FreeBSD) [ ];;
+ *) echo "${scriptfile}: 3. Indeterminate OS: $( uname -s )" 1>&2 && exit 3;;
+esac
+
+## REACT TO ROOT STATUS
+#case ${is_root} in
+# 1) # proper root
+# [ ] ;;
+# sudo) # sudo to root
+# [ ] ;;
+# "") # not root at all
+# #ferror "${scriptfile}: 5. Please run as root or sudo. Aborted."
+# #exit 5
+# [ ]
+# ;;
+#esac
+
+# SET CUSTOM SCRIPT AND VALUES
+#setval 1 sendsh sendopts<<EOFSENDSH # if $1="1" then setvalout="critical-fail" on failure
+#/usr/share/bgscripts/send.sh -hs # setvalout maybe be "fail" otherwise
+#/usr/local/bin/send.sh -hs # on success, setvalout="valid-sendsh"
+#/usr/bin/mail -s
+#EOFSENDSH
+#test "${setvalout}" = "critical-fail" && ferror "${scriptfile}: 4. mailer not found. Aborted." && exit 4
+
+# VALIDATE PARAMETERS
+# objects before the dash are options, which get filled with the optvals
+# to debug flags, use option DEBUG. Variables set in framework: fallopts
+validateparams - "$@"
+
+# CONFIRM TOTAL NUMBER OF FLAGLESSVALS IS CORRECT
+#if test ${thiscount} -lt 2;
+#then
+# ferror "${scriptfile}: 2. Fewer than 2 flaglessvals. Aborted."
+# exit 2
+#fi
+
+# CONFIGURE VARIABLES AFTER PARAMETERS
+
+## LOAD CONFIG FROM SIMPLECONF
+## This section follows a simple hierarchy of precedence, with first being used:
+## 1. parameters and flags
+## 2. environment
+## 3. config file
+## 4. default user config: ~/.config/script/script.conf
+## 5. default config: /etc/script/script.conf
+#if test -f "${conffile}";
+#then
+# get_conf "${conffile}"
+#else
+# if test "${conffile}" = "${default_conffile}" || test "${conffile}" = "${defuser_conffile}"; then :; else ferror "${scriptfile}: Ignoring conf file which is not found: ${conffile}."; fi
+#fi
+#test -f "${defuser_conffile}" && get_conf "${defuser_conffile}"
+test -f "${default_conffile}" && get_conf "${default_conffile}"
+
+## START READ CONFIG FILE TEMPLATE
+#oIFS="${IFS}"; IFS="$( printf '\n' )"
+#infiledata=$( ${sed} ':loop;/^\/\*/{s/.//;:ccom;s,^.[^*]*,,;/^$/n;/^\*\//{s/..//;bloop;};bccom;}' "${infile1}") #the crazy sed removes c style multiline comments
+#IFS="${oIFS}"; infilelines=$( echo "${infiledata}" | wc -l )
+#{ echo "${infiledata}"; echo "ENDOFFILE"; } | {
+# while read line; do
+# # the crazy sed removes leading and trailing whitespace, blank lines, and comments
+# if test ! "${line}" = "ENDOFFILE";
+# then
+# line=$( echo "${line}" | sed -e 's/^\s*//;s/\s*$//;/^[#$]/d;s/\s*[^\]#.*$//;' )
+# if test -n "${line}";
+# then
+# debuglev 8 && ferror "line=\"${line}\""
+# if echo "${line}" | grep -qiE "\[.*\]";
+# then
+# # new zone
+# zone=$( echo "${line}" | tr -d '[]' )
+# debuglev 7 && ferror "zone=${zone}"
+# else
+# # directive
+# varname=$( echo "${line}" | awk -F= '{print $1}' )
+# varval=$( echo "${line}" | awk -F= '{$1=""; printf "%s", $0}' | sed 's/^ //;' )
+# debuglev 7 && ferror "${zone}${varname}=\"${varval}\""
+# # simple define variable
+# eval "${zone}${varname}=\${varval}"
+# fi
+# ## this part is untested
+# #read -p "Please type something here:" response < ${thistty}
+# #echo "${response}"
+# fi
+# else
+
+## REACT TO BEING A CRONJOB
+#if test ${is_cronjob} -eq 1;
+#then
+# [ ]
+#else
+# [ ]
+#fi
+
+# SET TRAPS
+#trap "CTRLC" 2
+#trap "CTRLZ" 18
+#trap "clean_dhcpdcontrol" 0
+
+# MAIN LOOP
+#{
+
+ # use DHCPD_CONTROL_COMBINED_FILE and DHCPD_CONTROL_DHCPD_FILE
+
+ # derive if primary or secondary server
+ is_primary="$( sed -n -r -e '/failover.*\{/,/\}/p' ${DHCPD_CONTROL_DHCPD_FILE} | grep -iE "^\s*primary" )"
+ if ! test -n "${is_primary}";
+ then
+ if ! fistruthy "${DHCPD_CONTROL_FORCE}";
+ then
+ ferror "${scriptfile}: 4. Canot determine that this is the primary server. Try --force option. Aborted."
+ exit 4
+ fi
+ fi
+
+ # Derive secondary server for later actions
+ define_if_new DHCPD_CONTROL_OTHER_SERVER "$( grep -oiE "peer address [0-9.]{7,15}\s*;" "${DHCPD_CONTROL_DHCPD_FILE}" | tr -dc '[0-9.]' )"
+
+ # DEBUG SIMPLECONF
+ debuglev 5 && {
+ ferror "Using values"
+ # used values: EX_(OPT1|OPT2|VERBOSE)
+ set | grep -iE "^DHCPD_CONTROL_" 1>&2
+ }
+
+ please_update_other_server_conf=0
+ please_update_other_server_leases=0
+ please_update_other_server_service=0
+ # WORKHERE: add local service, other_server_service
+ case "${action}" in
+
+ "flush")
+ # Clear temorary leases file
+ debuglev 4 && ferror "Flushing all leases"
+ if test -z "${DHCPD_CONTROL_LEASES_TEMP_FILE}";
+ then
+ ferror "Skipping leases temp file. Variable not defined: DHCPD_CONTROL_LEASES_TEMP_FILE."
+ else
+ if test -f "${DHCPD_CONTROL_LEASES_TEMP_FILE}";
+ then
+ case "${DHCPD_CONTROL_LEASES_TEMP_FILE}" in
+ /var/lib/dhcp*)
+ rm -f "${DHCPD_CONTROL_LEASES_TEMP_FILE}"
+ please_update_other_server_conf=1
+ ;;
+ *)
+ ferror "Will not delete unsafe leases temp file ${DHCPD_CONTROL_LEASES_TEMP_FILE}."
+ ;;
+ esac
+ fi
+ fi
+ # Clear leases file
+ if test -z "${DHCPD_CONTROL_LEASES_FILE}";
+ then
+ ferror "Skipping leases file. Variable not defined: DHCPD_CONTROL_LEASES_FILE."
+ else
+ if test -f "${DHCPD_CONTROL_LEASES_FILE}";
+ then
+ case "${DHCPD_CONTROL_LEASES_FILE}" in
+ /var/lib/dhcp*)
+ printf "" > "${DHCPD_CONTROL_LEASES_FILE}"
+ please_update_other_server_conf=1
+ ;;
+ *)
+ ferror "Will not clear unsafe leases file ${DHCPD_CONTROL_LEASES_FILE}."
+ ;;
+ esac
+ fi
+ fi
+ ;;
+ esac
+
+ # Update other server if necessary
+ if fistruthy "${please_update_other_server}";
+ then
+ if test -n "${DHCPD_CONTROL_OTHER_SERVER}";
+ then
+ echo "please notify other server ${DHCPD_CONTROL_OTHER_SERVER}"
+ fi
+ fi
+
+#} | tee -a ${logfile}
+
+# EMAIL LOGFILE
+#${sendsh} ${sendopts} "${server} ${scriptfile} out" ${logfile} ${interestedparties}
+
+## STOP THE READ CONFIG FILE
+#exit 0
+#fi; done; }
diff --git a/usr/share/updatezone/docs/updatezone.spec b/usr/share/updatezone/docs/updatezone.spec
index bbab362..d08942e 100644
--- a/usr/share/updatezone/docs/updatezone.spec
+++ b/usr/share/updatezone/docs/updatezone.spec
@@ -2,7 +2,7 @@
Summary: update dns zone files easily
Name: updatezone
Version: 0.0
-Release: 1
+Release: 2
License: CC BY-SA 4.0
Group: Applications/System
Source: updatezone.tgz
bgstack15