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common.sh@ 495

Last change on this file since 495 was 481, checked in by alloc, 12 months ago
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Rev	Line
[17]	1	#!/bin/bash
	2
[258]	3	# Copyright 2016 Christian 'Alloc' Illy
	4	#
	5	# Licensed under the Apache License, Version 2.0 (the "License");
	6	# you may not use this file except in compliance with the License.
	7	# You may obtain a copy of the License at
	8	#
	9	# http://www.apache.org/licenses/LICENSE-2.0
	10	#
	11	# Unless required by applicable law or agreed to in writing, software
	12	# distributed under the License is distributed on an "AS IS" BASIS,
	13	# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	14	# See the License for the specific language governing permissions and
	15	# limitations under the License.
	16
	17
[17]	18	# Provides common functions for 7dtd-scripts. Not intended to be run directly.
	19
	20	# Check if the script is run as root (exit otherwise) and load global config
	21	checkRootLoadConf() {
	22	if [ `id -u` -ne 0 ]; then
	23	echo "This script has to be run as root!"
	24	exit 10
	25	fi
	26	. /etc/7dtd.conf
	27	}
	28
	29	# Get the config path for the given instance
	30	# Params:
	31	# 1: Instance name
	32	# Returns:
	33	# Config path for instance
	34	getInstancePath() {
	35	echo $SDTD_BASE/instances/$1
	36	}
	37
[19]	38	# Check if the given instance name is valid (no blanks, no special chars,
	39	# only letters, digits, underscore, hyphen -> [A-Za-z0-9_\-])
	40	# Params:
	41	# 1: Instance name
	42	# Returns:
	43	# 0/1 instance not valid/valid
	44	isValidInstanceName() {
	45	if [[ "$1" =~ ^[A-Za-z0-9_\-]+$ ]]; then
	46	echo 1
	47	else
	48	echo 0
	49	fi
	50	}
	51
[17]	52	# Check if the given instance name is an existing instance
	53	# Params:
	54	# 1: Instance name
	55	# Returns:
	56	# 0/1 instance not valid/valid
	57	isValidInstance() {
[19]	58	if [ ! -z "$1" ]; then
	59	if [ $(isValidInstanceName "$1") -eq 1 ]; then
	60	if [ -d $(getInstancePath "$1") ]; then
	61	if [ -f $(getInstancePath "$1")/config.xml ]; then
	62	echo 1
	63	return
	64	fi
[17]	65	fi
	66	fi
	67	fi
[19]	68	echo 0
[17]	69	}
	70
	71	# Check if the given instance is currently running
	72	# Params:
	73	# 1: Instance name
	74	# Returns:
	75	# 0 = not running
	76	# 1 = running
	77	isRunning() {
[25]	78	$SSD --status --pidfile $(getInstancePath $1)/7dtd.pid
[17]	79	if [ $? -eq 0 ]; then
	80	echo 1
	81	else
	82	echo 0
	83	fi
	84	}
	85
	86	# Get list of defined instances
	87	# Returns:
	88	# List of instances
	89	getInstanceList() {
[19]	90	local IF
[17]	91	for IF in $SDTD_BASE/instances/*; do
[19]	92	local I=`basename $IF`
[17]	93	if [ $(isValidInstance $I) -eq 1 ]; then
	94	echo $I
	95	fi
	96	done
	97	}
	98
	99	# Get the PID of the instance if it is running, 0 otherwise
	100	# Params:
	101	# 1: Instance name
	102	# Returns:
	103	# 0 if not running
	104	# PID otherwise
	105	getInstancePID() {
	106	if [ $(isRunning $1) -eq 1 ]; then
	107	cat $(getInstancePath $1)/7dtd.pid
	108	else
	109	echo 0
	110	fi
	111	}
	112
[308]	113	# Get the installed branch name
	114	# Returns:
	115	# "public" if no engine installed or no appmanifest found or buildid could not be read
	116	# Branch name
	117	getLocalBranch() {
	118	local LOCAL="public"
[478]	119	if [ -d "$SDTD_BASE/engine" ]; then
	120	local APPMANIFEST=$(find $SDTD_BASE/engine -type f -name "appmanifest_294420.acf")
	121	if [ -f "$APPMANIFEST" ]; then
[481]	122	LOCAL=$(grep -i '"betakey"' "$APPMANIFEST" \| tr '[:blank:]"' ' ' \| tr -s ' ' \| cut -d\ -f3)
[478]	123	if [[ -z $LOCAL ]]; then
	124	LOCAL="public"
	125	else
	126	echo $LOCAL
	127	return
	128	fi
[308]	129	fi
	130	fi
	131	echo $LOCAL
	132	}
	133
[53]	134	# Get the local engine version number (i.e. build id)
	135	# Returns:
	136	# 0 if no engine installed or no appmanifest found or buildid could not be read
	137	# Build Id otherwise
	138	getLocalEngineVersion() {
	139	local LOCAL=0
[478]	140	if [ -d "$SDTD_BASE/engine" ]; then
	141	local APPMANIFEST=$(find $SDTD_BASE/engine -type f -name "appmanifest_294420.acf")
	142	if [ -f "$APPMANIFEST" ]; then
[481]	143	LOCAL=$(grep -i '"buildid"' "$APPMANIFEST" \| tr '[:blank:]"' ' ' \| tr -s ' ' \| cut -d\ -f3)
[478]	144	if [ $(isANumber "$LOCAL") -eq 0 ]; then
	145	LOCAL=0
	146	fi
[53]	147	fi
	148	fi
	149	echo $LOCAL
	150	}
	151
[308]	152	# Get the local engine update time
[53]	153	# Returns:
[308]	154	# 0 if no engine installed or no appmanifest found or buildid could not be read
	155	# Update time otherwise
	156	getLocalEngineUpdateTime() {
	157	local LOCAL=0
[478]	158	if [ -d "$SDTD_BASE/engine" ]; then
	159	local APPMANIFEST=$(find $SDTD_BASE/engine -type f -name "appmanifest_294420.acf")
	160	if [ -f "$APPMANIFEST" ]; then
[481]	161	LOCAL=$(grep -i '"LastUpdated"' "$APPMANIFEST" \| tr '[:blank:]"' ' ' \| tr -s ' ' \| cut -d\ -f3)
[478]	162	if [ $(isANumber "$LOCAL") -eq 0 ]; then
	163	LOCAL=0
	164	else
	165	date --date="@${LOCAL}" "+%Y-%m-%d %H:%M:%S"
	166	return
	167	fi
[308]	168	fi
[53]	169	fi
[308]	170	echo $LOCAL
[53]	171	}
	172
[478]	173
	174	# Get the latest remote (on Steam) engine version numbers etc
	175	updateRemoteEngineInfo() {
	176	local DOCHECK=no
	177	if [ ! -e /tmp/7dtd-appinfo ]; then
	178	DOCHECK=yes
	179	else
	180	AGE=$((`date +%s` - `stat -L --format %Y /tmp/7dtd-appinfo`))
	181	if [ $AGE -gt 300 ]; then
	182	DOCHECK=yes
	183	fi
	184	fi
	185	if [ "$DOCHECK" = "yes" ]; then
	186	echo "Updating version information..."
[479]	187	rm -f /root/Steam/appcache/appinfo.vdf
[478]	188	cd $SDTD_BASE/steamcmd
	189
	190	expect /usr/local/lib/7dtd/steamcmd.exp $SDTD_BASE/steamcmd/steamcmd.sh 294420 2>/dev/null > /tmp/7dtd-appinfo
	191
[479]	192	local BUILDID=$(getRemoteBuildId public)
[478]	193
	194	if [ $(isANumber "$BUILDID") -eq 0 ]; then
	195	rm -f /tmp/7dtd-appinfo
	196	fi
	197	fi
	198	}
	199
	200	# Get the latest build id (on Steam)
	201	# Params:
	202	# 1. Branch name
	203	# Returns:
	204	# "?" if data could not be retrieved
	205	# BuildId otherwise
	206	getRemoteBuildId() {
[479]	207	if [ ! -f "/tmp/7dtd-appinfo" ]; then
	208	echo "?"
	209	return
	210	fi
	211
[478]	212	local BUILDID=$(grep -A 1000 \"branches\" /tmp/7dtd-appinfo \| grep -A 1000 \"$1\" \| grep -B 10 \} --max-count=1 \| grep \"buildid\" \| cut -d\" -f4)
	213
	214	if [ $(isANumber "$BUILDID") -eq 0 ]; then
	215	echo "?"
	216	else
	217	echo $BUILDID
	218	fi
	219	}
	220
	221	# Get the update time of the latest build (on Steam)
	222	# Params:
	223	# 1. Branch name
	224	# Returns:
	225	# "?" if data could not be retrieved
	226	# Update timestamp otherwise
	227	getRemoteBuildUpdateTime() {
[479]	228	if [ ! -f "/tmp/7dtd-appinfo" ]; then
	229	echo "?"
	230	return
	231	fi
	232
[478]	233	local TIMESTAMP=$(grep -A 1000 \"branches\" /tmp/7dtd-appinfo \| grep -A 1000 \"$1\" \| grep -B 10 \} --max-count=1 \| grep \"timeupdated\" \| cut -d\" -f4)
	234
	235	if [ $(isANumber "$TIMESTAMP") -eq 0 ]; then
	236	echo "?"
	237	else
	238	date --date="@${TIMESTAMP}" "+%Y-%m-%d %H:%M:%S"
	239	fi
	240	}
	241
	242	# Get a list of available branch names, blank separated
	243	# Returns:
	244	# Blank separated list of branch names (can be empty if an error occured)
	245	getBranchNames() {
[479]	246	if [ ! -f "/tmp/7dtd-appinfo" ]; then
	247	return
	248	fi
	249
[478]	250	grep -A 1000 \"branches\" /tmp/7dtd-appinfo \| grep -E '^[[:space:]]"[^"]+"[[:space:]]$' \| tail --lines=+2 \| cut -d\" -f2
	251	}
	252
[17]	253	# Check if a given port range (baseport, baseport+1, baseport+2 each udp)
[19]	254	# is already in use by any other instance
[17]	255	# Params:
	256	# 1: Baseport
[19]	257	# 2: Current instance (ignored)
[17]	258	# Returns:
	259	# 0/1 not in use/in use
	260	checkGamePortUsed() {
[19]	261	local PORTMIN=$1
	262	local PORTMAX=$(( $1 + 2 ))
	263	local I
[17]	264	for I in $(getInstanceList); do
[19]	265	if [ "$2" != "$I" ]; then
	266	local CURPORTMIN=$(getConfigValue $I "ServerPort")
	267	local CURPORTMAX=$(( $CURPORTMIN + 2 ))
	268	if [ $PORTMAX -ge $CURPORTMIN -a $PORTMIN -le $CURPORTMAX ]; then
	269	echo 1
	270	return
	271	fi
[17]	272	fi
	273	done
	274	echo 0
	275	}
	276
[19]	277	# Check if a given TCP port is already in use by any instance (either by control
	278	# panel or telnet)
[17]	279	# Params:
	280	# 1: Port
	281	# Returns:
	282	# 0/1 not in use/in use
[19]	283	checkTCPPortUsed() {
	284	local I
[17]	285	for I in $(getInstanceList); do
[19]	286	if [ "$2" != "$I" ]; then
	287	local CURENABLED=$(getConfigValue $I "TelnetEnabled")
	288	local CURPORT=$(getConfigValue $I "TelnetPort")
	289	if [ "$CURENABLED" = "true" -a $CURPORT -eq $1 ]; then
	290	echo 1
	291	return
	292	fi
	293	CURENABLED=$(getConfigValue $I "ControlPanelEnabled")
	294	CURPORT=$(getConfigValue $I "ControlPanelPort")
	295	if [ "$CURENABLED" = "true" -a $CURPORT -eq $1 ]; then
	296	echo 1
	297	return
	298	fi
[17]	299	fi
	300	done
	301	echo 0
	302	}
	303
	304	# Send a single command to the telnet port
	305	# Params:
	306	# 1: Instance name
	307	# 2: Command
[46]	308	# 3: (Optional) Timeout in sec, defaulting to 1
[17]	309	# Returns:
	310	# String of telnet output
	311	telnetCommand() {
[19]	312	local TEL_ENABLED=$(getConfigValue $1 TelnetEnabled)
	313	local TEL_PORT=$(getConfigValue $1 TelnetPort)
	314	local TEL_PASS=$(getConfigValue $1 TelnetPassword)
[88]	315	if [ "$TEL_ENABLED" = "true" ]; then
[46]	316	local TEMPFILE=$(mktemp)
	317	rm -f $TEMPFILE
	318	mkfifo $TEMPFILE
	319	exec 3<> $TEMPFILE
	320	nc 127.0.0.1 $TEL_PORT <&3 &
	321	local NCPID=$!
[304]	322	disown
[88]	323	if [ -n "$TEL_PASS" ]; then
	324	printf "$TEL_PASS\n$2\n" >&3
	325	else
	326	printf "$2\n" >&3
	327	fi
[46]	328	sleep ${3:-1}
	329	printf "exit\n" >&3
	330	sleep 0.2
	331	kill -9 $NCPID > /dev/null 2>&1
	332	exec 3>&-
	333	rm -f $TEMPFILE
[17]	334	else
[88]	335	echo "Telnet not enabled."
[17]	336	fi
	337	}
	338
	339	# Get all hook files for the given hook-name
	340	# Params:
	341	# 1: Hook name
[259]	342	# 2: Instance name
[17]	343	# Returns:
	344	# Names of hook files
	345	getHooksFor() {
[308]	346	if [ -n "$2" ]; then
[260]	347	if [ -d $(getInstancePath $2)/hooks/$1 ]; then
[259]	348	local H
[260]	349	for H in $(getInstancePath $2)/hooks/$1/*.sh; do
[259]	350	echo "$H"
	351	done
	352	fi
	353	fi
[17]	354	if [ -d $SDTD_BASE/hooks/$1 ]; then
[19]	355	local H
[17]	356	for H in $SDTD_BASE/hooks/$1/*.sh; do
	357	echo "$H"
	358	done
	359	fi
	360	}
	361
	362	# Lowercase passed string
	363	# Params:
	364	# 1: String
	365	# Returns:
	366	# Lowercased string
	367	lowercase() {
	368	echo "${1}" \| tr "[:upper:]" "[:lower:]"
	369	}
	370
	371	# Prepare passed string as part of camelcase, i.e. first char upper case, others
	372	# lowercase
	373	# Params:
	374	# 1: String
	375	# Returns:
	376	# Transformed string
	377	camelcasePrep() {
	378	echo $(echo "${1:0:1}" \| tr "[:lower:]" "[:upper:]")$(echo "${1:1}" \| tr "[:upper:]" "[:lower:]")
	379	}
	380
[19]	381	# Check if given value is a (integer) number
	382	# Params:
	383	# 1: Value
	384	# Returns:
	385	# 0/1 for NaN / is a number
	386	isANumber() {
	387	if [[ $1 =~ ^[0-9]+$ ]] ; then
	388	echo "1"
	389	else
	390	echo "0"
	391	fi
	392	}
	393
	394	# Check if given value is a boolean (true/false, yes/no, y/n)
	395	# Params:
	396	# 1: Value
	397	# Returns:
	398	# 0/1
	399	isABool() {
	400	local LOW=$(lowercase "$1")
	401	if [ "$LOW" = "false" -o "$LOW" = "true"\
	402	-o "$LOW" = "yes" -o "$LOW" = "y"\
	403	-o "$LOW" = "no" -o "$LOW" = "n" ]; then
	404	echo 1
	405	else
	406	echo 0
	407	fi
	408	}
	409
	410	# Convert the given value to a boolean 0/1
	411	# Params:
	412	# 1: Value
	413	# Returns:
	414	# 0/1 as false/true
	415	getBool() {
	416	if [ $(isABool "$1") -eq 0 ]; then
	417	echo 0
	418	else
	419	local LOW=$(lowercase "$1")
	420	if [ "$LOW" = "true" -o "$LOW" = "yes" -o "$LOW" = "y" ]; then
	421	echo 1
	422	else
	423	echo 0
	424	fi
	425	fi
	426	}
	427
[17]	428	listCommands() {
[19]	429	local C
[17]	430	for C in $(declare -F \| cut -d\ -f3 \| grep "^sdtdCommand"\
	431	\| grep -v "Help$"\
	432	\| grep -v "Description$"\
	433	\| grep -v "Expects$"); do
[19]	434	local CMD=$(lowercase "${C#sdtdCommand}")
[17]	435	printf "%s " "$CMD"
	436	done
	437	}
	438
	439	. /usr/local/lib/7dtd/help.sh
[19]	440	. /usr/local/lib/7dtd/serverconfig.sh
[17]	441	for M in /usr/local/lib/7dtd/commands/*.sh; do
	442	. $M
	443	done
	444
[64]	445	checkRootLoadConf
	446

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