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1 | #!/bin/bash |
2 | # | |
3 | # functions This file contains functions to be used by most or all | |
4 | # shell scripts in the /etc/init.d directory. | |
5 | # | |
6 | # Version: @(#) /etc/init.d/functions 1.01 26-Oct-1993 | |
7 | # | |
8 | # Author: Miquel van Smoorenburg, <miquels@drinkel.nl.mugnet.org> | |
9 | # Hacked by: Greg Galloway and Marc Ewing | |
10 | # Modified for PLD by Marek Obuchowicz <elephant@shadow.eu.org> | |
11 | # | |
12 | ||
13 | # First set up a default search path. | |
14 | export PATH="/sbin:/usr/sbin:/bin:/usr/bin" | |
15 | ||
16 | # Some functions to handle PLD-style messages | |
17 | function show() { | |
18 | text="$*"............................................. | |
19 | echo -ne `echo $text | cut -c1-45` | |
20 | } | |
21 | ||
22 | function busy() { | |
23 | echo -ne '\e[0;36m[\e[0;35m BUSY \e[0;36m]\e[0;37m' | |
24 | } | |
25 | ||
26 | function ok() { | |
27 | echo -e '\e[0;36m[\e[0;32m DONE \e[0;36m]\e[0;37m' | |
28 | } | |
29 | ||
30 | function fail() { | |
31 | echo -e '\e[0;36m[\e[0;31m FAIL \e[0;36m]\e[0;37m' | |
32 | } | |
33 | ||
34 | function died() { | |
35 | echo -e '\e[0;36m[\e[0;31m DIED \e[0;36m]\e[0;37m' | |
36 | } | |
37 | ||
38 | function deltext() { | |
39 | echo -ne '\b\b\b\b\b\b\b\b' | |
40 | } | |
41 | ||
42 | # A function to start a program. | |
43 | daemon() { | |
44 | TMPFILE=`mktemp /tmp/init-XXXXXX` | |
45 | ||
46 | nicelevel=0 | |
47 | # Test syntax. | |
48 | case $1 in | |
49 | '') echo '$0: Usage: daemon [+/-nicelevel] {program}' | |
50 | return 1;; | |
51 | -*|+*) nicelevel=$1 | |
52 | shift;; | |
53 | esac | |
54 | ||
55 | # make sure it doesn't core dump anywhere; while this could mask | |
56 | # problems with the daemon, it also closes some security problems | |
57 | ulimit -c 0 | |
58 | ||
59 | # And start it up. | |
60 | busy | |
61 | if nice -n $nicelevel "$@" &> $TMPFILE; then | |
62 | deltext | |
63 | ok | |
64 | else | |
65 | deltext | |
66 | fail | |
67 | cat $TMPFILE | |
68 | fi | |
69 | rm -f $TMPFILE | |
70 | } | |
71 | ||
72 | # A function to stop a program. | |
73 | killproc() { | |
74 | # Test syntax. | |
75 | if [ $# = 0 ]; then | |
76 | echo "Usage: killproc {program} [signal]" | |
77 | return 1 | |
78 | fi | |
79 | ||
80 | busy | |
81 | ||
82 | TMPFILE=`mktemp /tmp/init-XXXXXX` | |
83 | ||
84 | notset=0 | |
85 | # check for second arg to be kill level | |
86 | if [ "$2" != "" ] ; then | |
87 | killlevel=$2 | |
88 | else | |
89 | notset=1 | |
90 | killlevel="-9" | |
91 | fi | |
92 | ||
93 | # Save basename. | |
94 | base=`basename $1` | |
95 | ||
96 | # Find pid. | |
97 | pid=`pidofproc $base` | |
98 | ||
99 | # Kill it. | |
100 | if [ "$pid" != "" ] ; then | |
101 | if [ "$notset" = 1 ] ; then | |
102 | # TERM first, then KILL if not dead | |
103 | kill -TERM $pid &> $TMPFILE | |
104 | usleep 100000 | |
105 | dead=`ps aux | awk '{print $2}' | grep $pid` | |
106 | if [ "$dead" != "" ]; then | |
107 | sleep 3 | |
108 | kill -KILL $pid &> $TMPFILE | |
109 | fi | |
110 | # use specified level only | |
111 | else | |
112 | kill $killlevel $pid &> $TMPFILE | |
113 | fi | |
114 | else | |
115 | rm -f /var/run/$base.pid | |
116 | deltext | |
117 | fail | |
118 | return | |
119 | fi | |
120 | ||
121 | # Remove pid file if any. | |
122 | rm -f /var/run/$base.pid | |
123 | ||
124 | if [ -z "`cat $TMPFILE`" ]; then | |
125 | deltext | |
126 | ok | |
127 | else | |
128 | deltext | |
129 | died | |
130 | fi | |
131 | rm -f $TMPFILE | |
132 | } | |
133 | ||
134 | # A function to find the pid of a program. | |
135 | pidofproc() { | |
136 | # Test syntax. | |
137 | if [ $# = 0 ] ; then | |
138 | echo "Usage: pidofproc {program}" | |
139 | return 1 | |
140 | fi | |
141 | ||
142 | # First try "/var/run/*.pid" files | |
143 | if [ -f /var/run/$1.pid ] ; then | |
144 | pid=`head -1 /var/run/$1.pid` | |
145 | if [ "$pid" != "" ] ; then | |
146 | echo $pid | |
147 | return 0 | |
148 | fi | |
149 | fi | |
150 | ||
151 | # Next try "pidof" | |
152 | pid=`pidof $1` | |
153 | if [ "$pid" != "" ] ; then | |
154 | echo $pid | |
155 | return 0 | |
156 | fi | |
157 | ||
158 | # Finally try to extract it from ps | |
159 | ps auxw | awk 'BEGIN { prog=ARGV[1]; ARGC=1 } | |
160 | { if ((prog == $11) || (("(" prog ")") == $11) || | |
161 | ((prog ":") == $11)) { print $2 } }' $1 | |
162 | } | |
163 | status() { | |
164 | # Test syntax. | |
165 | if [ $# = 0 ] ; then | |
166 | echo "Usage: status {program}" | |
167 | return 1 | |
168 | fi | |
169 | ||
170 | # First try "pidof" | |
171 | pid=`pidof $1` | |
172 | if [ "$pid" != "" ] ; then | |
173 | echo "$1 (pid $pid) is running..." | |
174 | return 0 | |
175 | else | |
176 | pid=`ps auxww | grep $1 | egrep -v grep\|$0 | awk '{print $2}'` | |
177 | if [ "$pid" != "" ] ; then | |
178 | echo "$1 (pid $pid) is running..." | |
179 | return 0 | |
180 | fi | |
181 | fi | |
182 | ||
183 | # Next try "/var/run/*.pid" files | |
184 | if [ -f /var/run/$1.pid ] ; then | |
185 | pid=`head -1 /var/run/$1.pid` | |
186 | if [ "$pid" != "" ] ; then | |
187 | echo "$1 dead but pid file exists" | |
188 | return 1 | |
189 | fi | |
190 | fi | |
191 | # See if /var/lock/subsys/$1 exists | |
192 | if [ -f /var/lock/subsys/$1 ]; then | |
193 | echo "$1 dead but subsys locked" | |
194 | return 2 | |
195 | fi | |
196 | echo "$1 is stopped" | |
197 | return 3 | |
198 | } |