1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
|
--- mgetty-1.1.30/fax/faxrunqd.in.orig 2003-09-13 11:04:12.000000000 +0000
+++ mgetty-1.1.30-5.1/fax/faxrunqd.in 2003-09-13 11:12:47.000000000 +0000
@@ -13,6 +13,9 @@
#
# Change Log:
#
+# Debian 1.1.30-5.1 2003/07/20 Andreas Barth <aba@not.so.argh.org>
+# Can specify group per commandline.
+#
# $Log: faxrunqd.in,v $
# Revision 1.63 2002/11/23 16:52:18 gert
# make messages more clear, print warning if running as root
@@ -45,6 +48,11 @@
# a "low prio" job for phone number 123 could be attached to a high prio
# job to 123, and thus be sent before a high prio job to 456)
#
+# Debian 1.1.28-4 2002/11/27 18:32:23 Wolfgang Sourdeau <was@debian.org>
+# Quit quietly when received signal TERM or HUP since it is expected the
+# user knows what is happening already. The quit message is still written
+# into the logfile.
+#
# Revision 1.56 2002/01/04 17:52:42 gert
# pass sendfax exit code as 2nd argument to success/failure program
#
@@ -55,6 +63,9 @@
# Revision 1.54 2001/12/16 14:26:25 gert
# stop queue handling if a file named 'stop' exists
#
+# Add a -D option to allow for running in the background as a Daemon
+# Philip Hands <phil@hands.com>
+#
# Revision 1.53 2000/08/06 14:28:37 gert
# go from using $fax_spool_out/.last_run to VARRUNDIR/faxqueue_done
#
@@ -129,6 +140,8 @@
#
#
require 5.004;
+
+use Fcntl;
use POSIX;
use IO::Handle;
use Getopt::Std;
@@ -143,10 +156,10 @@
$mail='@MAILER@';
$faxrunq_cf='@CONFDIR@/faxrunq.config';
-$fax_acct='@FAX_SPOOL@/acct.log';
-$faxrd_log='@FAX_SPOOL@/faxrunqd.log';
+$fax_acct='/var/log/mgetty/fax/acct.log';
+$faxrd_log='/var/log/mgetty/fax/faxrunqd.log';
-$faxrd_pid='@FAX_SPOOL_OUT@/faxrunqd.pid';
+$faxrd_pid='/var/run/mgetty-fax/faxrunqd.pid';
$last_run='@FAX_SPOOL_OUT@/faxqueue_done';
$policy_config='';
@@ -189,8 +202,10 @@
$opt_V = 0; # print version number
$opt_l = ''; # ttys to use
$opt_u = ''; # user id to setuid() to
-getopts( 'dvVl:u:' ) ||
- die "Valid options: -d (debug), -v (verbose), -l tty<n>, -u uid, -V (version)\n";
+$opt_g = ''; # group id to setgid() to
+$opt_D = 0; # daemon
+getopts( 'DdvVl:u:g:' ) ||
+ die "Valid options: -D (daemon), -d (debug), -v (verbose), -l tty<n>, -u uid, -g uid, -V (version)\n";
if ( $opt_d ) { $opt_v=1; }
@@ -201,32 +216,63 @@
mgetty+sendfax by Gert Doering
$rcs_id
-config file read from '$faxrunq_cf'
+config read from '$faxrunq_cf'
EOF
exit 0;
}
+$uid=$>;
+$gid=$);
+
if ( $opt_u ne '' ) # set user ID to $opt_u
{
- my ( $uid, $gid ) = ( getpwnam( $opt_u ) )[2,3];
+ ( $uid, $gid ) = ( ( $opt_u =~ /^[0-9]+$/ )
+ ? getpwuid( $opt_u )
+ : getpwnam( $opt_u ) )[2,3];
if ( !defined($uid) || !defined($gid) )
{ die "$0: no such user: '$opt_u'\n"; }
print "change user ID to '$opt_u' (numeric uid: $uid, gid: $gid)\n"
if $opt_d;
- $( = $) = $gid;
- $< = $> = $uid;
-
- if ( $> != $uid || $) != $gid )
- { die "$0: can't set uid to $uid / gid to $gid: $!\n"; }
}
+
+if ( $opt_g ne '' )
+ {
+ $gid = ( ( $opt_g =~ /^[0-9]+$/ )
+ ? getgrgid( $opt_g )
+ : getgrnam( $opt_g ) )[2];
+ die "$0: no such group: '$opt_g'\n" unless defined ($gid);
+ }
+
+$( = $) = $gid;
+$< = $> = $uid;
+
+if ( $> != $uid || $) != $gid )
+ { die "$0: can't set uid to $uid / gid to $gid: $!\n"; }
+
if ( $> == 0 ) # root check
{
print STDERR "$0: running with root privileges is not recommended\n";
}
+# fork as a daemon if invoked with -D
+if ( $opt_D ) {
+ $pid = fork ;
+ die "Cannot fork: $!" unless defined $pid ;
+ if (0 == $pid) {
+ # Child process: become leader of a new session, lose STDIN, log STDOUT/ERR
+ POSIX::setsid();
+ umask(022);
+ open(STDIN, "/dev/null") ;
+ open(STDOUT, ">&LOG") ;
+ open(STDERR, ">&LOG") ;
+ } else {
+ exit 0; # parent process
+ }
+}
+
#
# startup... write PID file, make sure no other faxrunqd runs
#
@@ -262,7 +308,7 @@
$SIG{USR1} = \&signal_handler_USR1; # roll log file
$roll_log_file_requested = 0;
-$roll_level=3; # keep 3 old files around
+$roll_level=7; # keep 7 old files around
$SIG{USR2} = \&signal_handler_USR2; # graceful exit
$graceful_exit_requested = 0;
@@ -355,7 +401,7 @@
#
# open log file
#
-open( LOG, ">>$faxrd_log" ) ||
+sysopen( LOG, "$faxrd_log", O_CREAT | O_APPEND | O_WRONLY, 0640 ) ||
die "can't write log file '$faxrd_log'";
LOG->autoflush(1);
print LOG "\n" . localtime() .": faxrunqd starting, pid=$$\n";
@@ -552,7 +598,7 @@
$roll_log_file_requested=0;
# start new
- open( LOG, ">$faxrd_log" ) ||
+ sysopen( LOG, "$faxrd_log", O_CREAT | O_APPEND | O_WRONLY, 0640 ) ||
die "can't re-open log file '$faxrd_log'";
LOG->autoflush(1);
print LOG localtime() .": -- new log file started --\n";
@@ -1639,7 +1685,8 @@
{
my $sig = shift;
- print "\nfaxrunqd: signal handler: got signal $sig, goodbye...\n";
+ print "\nfaxrunqd: signal handler: got signal $sig, goodbye...\n"
+ if ($sig ne 'TERM' && $sig ne 'HUP' && $sig ne 'USR2');
print LOG "\nfaxrunqd: signal handler: got signal $sig, goodbye...\n";
# save tty statistics
|
