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
|
# BEGIN BPS TAGGED BLOCK {{{
#
# COPYRIGHT:
#
# This software is Copyright (c) 1996-2009 Best Practical Solutions, LLC
# <jesse@bestpractical.com>
#
# (Except where explicitly superseded by other copyright notices)
#
#
# LICENSE:
#
# This work is made available to you under the terms of Version 2 of
# the GNU General Public License. A copy of that license should have
# been provided with this software, but in any event can be snarfed
# from www.gnu.org.
#
# This work is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301 or visit their web page on the internet at
# http://www.gnu.org/licenses/old-licenses/gpl-2.0.html.
#
#
# CONTRIBUTION SUBMISSION POLICY:
#
# (The following paragraph is not intended to limit the rights granted
# to you to modify and distribute this software under the terms of
# the GNU General Public License and is only of importance to you if
# you choose to contribute your changes and enhancements to the
# community by submitting them to Best Practical Solutions, LLC.)
#
# By intentionally submitting any modifications, corrections or
# derivatives to this work, or any other work intended for use with
# Request Tracker, to Best Practical Solutions, LLC, you confirm that
# you are the copyright holder for those contributions and you grant
# Best Practical Solutions, LLC a nonexclusive, worldwide, irrevocable,
# royalty-free, perpetual, license to use, copy, create derivative
# works based on those contributions, and sublicense and distribute
# those contributions and any derivatives thereof.
#
# END BPS TAGGED BLOCK }}}
package RT::Util;
use strict;
use warnings;
use base 'Exporter';
our @EXPORT = qw/safe_run_child/;
sub safe_run_child (&) {
my $our_pid = $$;
# situation here is wierd, running external app
# involves fork+exec. At some point after fork,
# but before exec (or during) code can die in a
# child. Local is no help here as die throws
# error out of scope and locals are reset to old
# values. Instead we set values, eval code, check pid
# on failure and reset values only in our original
# process
my $dbh = $RT::Handle->dbh;
$dbh->{'InactiveDestroy'} = 1 if $dbh;
$RT::Handle->{'DisconnectHandleOnDestroy'} = 0;
my @res;
my $want = wantarray;
eval {
unless ( defined $want ) {
_safe_run_child( @_ );
} elsif ( $want ) {
@res = _safe_run_child( @_ );
} else {
@res = ( scalar _safe_run_child( @_ ) );
}
1;
} or do {
if ( $our_pid == $$ ) {
$dbh->{'InactiveDestroy'} = 0 if $dbh;
$RT::Handle->{'DisconnectHandleOnDestroy'} = 1;
}
die $@;
};
return $want? (@res) : $res[0];
}
sub _safe_run_child {
local @ENV{ 'LANG', 'LC_ALL' } = ( 'C', 'C' );
return shift->() if $ENV{'MOD_PERL'} || $CGI::SpeedyCGI::i_am_speedy;
# We need to reopen stdout temporarily, because in FCGI
# environment, stdout is tied to FCGI::Stream, and the child
# of the run3 wouldn't be able to reopen STDOUT properly.
my $stdin = IO::Handle->new;
$stdin->fdopen( 0, 'r' );
local *STDIN = $stdin;
my $stdout = IO::Handle->new;
$stdout->fdopen( 1, 'w' );
local *STDOUT = $stdout;
my $stderr = IO::Handle->new;
$stderr->fdopen( 2, 'w' );
local *STDERR = $stderr;
return shift->();
}
eval "require RT::Util_Vendor";
if ($@ && $@ !~ qr{^Can't locate RT/Util_Vendor.pm}) {
die $@;
};
eval "require RT::Util_Local";
if ($@ && $@ !~ qr{^Can't locate RT/Util_Local.pm}) {
die $@;
};
1;
|