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stmt |
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cond |
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pod |
time |
code |
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package System::Daemon::Utils; |
2
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3
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3
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3
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18
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use strict; |
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3
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3
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3
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144
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4
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3
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3
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18
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use warnings; |
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3
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3
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3
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66
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5
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6
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3
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3
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9
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use Carp; |
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3
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3
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3
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129
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7
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3
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3
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9
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use POSIX; |
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3
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3
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3
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15
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8
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3
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3
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5211
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use Data::Dumper; |
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3
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6
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3
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135
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9
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3
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3
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12
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use File::Basename; |
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3
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3
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3
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159
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10
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11
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3
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3
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15
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use System::Process; |
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3
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3
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3
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21
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12
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13
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our $DEBUG = 0; |
14
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15
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sub apply_rights { |
16
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0
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0
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0
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0
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my %params = @_; |
17
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18
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0
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0
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0
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if ($params{group}) { |
19
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0
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0
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my $gid = getgrnam($params{group}); |
20
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0
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0
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0
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unless ($gid) { |
21
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0
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0
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croak "Group $params{group} does not exists."; |
22
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} |
23
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0
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0
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0
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unless (setgid($gid)) { |
24
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0
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0
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croak "Can't setgid $gid: $!"; |
25
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} |
26
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} |
27
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28
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0
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0
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0
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if ($params{user}) { |
29
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0
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0
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my $uid = getpwnam($params{user}); |
30
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0
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0
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0
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unless ($uid) { |
31
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0
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0
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croak "User $params{user} does not exists."; |
32
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} |
33
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0
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0
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0
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unless (setuid($uid)) { |
34
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0
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0
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croak "Can't setuid $uid: $!"; |
35
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} |
36
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} |
37
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0
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0
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return 1; |
38
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} |
39
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40
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41
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sub validate_user_and_group { |
42
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0
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0
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0
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0
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my %params = @_; |
43
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44
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0
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0
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my $err = 0; |
45
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46
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0
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0
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0
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0
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if (!$params{user} && !$params{group}) { |
47
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0
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0
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croak "Missing user and group param, can't validate."; |
48
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} |
49
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0
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0
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my ($user, $group) = ($params{user}, $params{group}); |
50
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0
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0
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0
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if ($user) { |
51
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0
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0
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my $uid = getpwnam($user); |
52
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0
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0
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0
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unless ($uid) { |
53
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0
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0
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carp "Wrong username"; |
54
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0
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0
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$err++; |
55
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} |
56
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} |
57
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58
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0
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0
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0
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if ($group) { |
59
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0
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0
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my $gid = getgrnam($group); |
60
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0
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0
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0
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unless ($gid) { |
61
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0
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0
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carp "Wrong groupname"; |
62
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0
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0
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$err++; |
63
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} |
64
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} |
65
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66
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0
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0
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0
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if ($err) { |
67
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0
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0
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return 0; |
68
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} |
69
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70
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0
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0
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return 1; |
71
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} |
72
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73
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74
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sub daemon { |
75
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3
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100
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3
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0
|
2835
|
fork and exit; |
76
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2
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174
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POSIX::setsid(); |
77
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2
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100
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1949
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fork and exit; |
78
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1
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43
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umask 0; |
79
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1
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24
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chdir '/'; |
80
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1
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18
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return 1; |
81
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} |
82
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83
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84
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sub pid_init { |
85
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1
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1
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0
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5
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my $pid = shift; |
86
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87
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1
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50
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4
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croak "Can't init nothing" unless $pid; |
88
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89
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1
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50
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15
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if (!-e $pid) { |
90
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# file does not exists, let's try to create |
91
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1
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7
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local *PID; |
92
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1
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50
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368
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open PID, '>', $pid or do { |
93
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0
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0
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carp "Can't create pid $pid: $!"; |
94
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0
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0
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return 0; |
95
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}; |
96
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97
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98
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1
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16
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return 1; |
99
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} |
100
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101
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# Everything is ok, nothing to check |
102
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0
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0
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return 1; |
103
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} |
104
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105
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106
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sub write_pid { |
107
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1
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1
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0
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15
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my ($pidfile, $pid, %owner) = @_; |
108
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109
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1
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33
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21
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$pid ||= $$; |
110
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111
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1
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50
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2
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croak "No pidfile" unless $pidfile; |
112
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1
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2
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local *PID; |
113
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114
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1
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51
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open PID, '>', $pidfile; |
115
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1
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9
|
print PID $pid; |
116
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1
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30
|
close PID; |
117
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118
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1
|
50
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33
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12
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if ($owner{user} || $owner{group}) { |
119
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0
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0
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my $uid = getpwnam($owner{user}); |
120
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0
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0
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my $gid = getgrnam($owner{group}); |
121
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122
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0
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0
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0
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chown $uid, $gid, $pidfile or |
123
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croak "Can't chown $owner{user}:$owner{group}"; |
124
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} |
125
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126
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1
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|
6
|
return 1; |
127
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} |
128
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129
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130
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sub read_pid { |
131
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2
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2
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0
|
8812
|
my ($pidfile) = @_; |
132
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133
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2
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50
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8
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croak "No pidfile param" unless $pidfile; |
134
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135
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2
|
50
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51
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return 0 unless -e $pidfile; |
136
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137
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2
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68
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open PID, $pidfile; |
138
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2
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41
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my $pid = ; |
139
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140
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2
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100
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14
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return 0 unless $pid; |
141
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142
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1
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12
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close PID; |
143
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144
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1
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4
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chomp $pid; |
145
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146
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1
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4
|
my $res = validate_pid($pid); |
147
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1
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50
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5
|
return 0 unless $res; |
148
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149
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1
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6
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return $pid; |
150
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} |
151
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|
152
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153
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sub delete_pidfile { |
154
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2
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2
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0
|
4
|
my $pidfile = shift; |
155
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156
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2
|
100
|
50
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71
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unlink $pidfile or do {carp "$!"} and return 0; |
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1
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378
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157
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158
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1
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3
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return 1; |
159
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} |
160
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161
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162
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sub process_object { |
163
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4
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4
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0
|
8
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my ($pid) = @_; |
164
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165
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4
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33
|
|
|
31
|
$pid ||= $$; |
166
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4
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|
37
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return System::Process::pidinfo pid => $pid; |
167
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|
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} |
168
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169
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170
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sub validate_pid_path { |
171
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1
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|
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1
|
0
|
16
|
my ($pidfile, $mkdir) = @_; |
172
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|
173
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1
|
50
|
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|
5
|
croak unless $pidfile; |
174
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175
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1
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|
150
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my ($filename, $path) = fileparse ($pidfile); |
176
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177
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|
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# path exists |
178
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1
|
50
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|
40
|
if (-e $path) { |
179
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|
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|
|
# path is not a directory |
180
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1
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50
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|
15
|
if (!-d $path) { |
181
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0
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|
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0
|
croak "Path '$path' exists and not a directory."; |
182
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|
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} |
183
|
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|
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|
|
# path exists and a directory |
184
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1
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|
16
|
return 1; |
185
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|
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} |
186
|
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187
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0
|
0
|
|
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0
|
if ($mkdir) { |
188
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0
|
|
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|
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0
|
return 1; |
189
|
|
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|
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} |
190
|
|
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191
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0
|
|
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|
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0
|
croak "Path '$path' does not exists. Can't write PID."; |
192
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193
|
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|
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} |
194
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|
195
|
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|
196
|
|
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|
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|
|
sub validate_pid { |
197
|
1
|
|
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1
|
0
|
4
|
my ($pid) = @_; |
198
|
|
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|
|
|
|
|
199
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1
|
50
|
|
|
|
7
|
return 0 unless $pid; |
200
|
1
|
50
|
|
|
|
23
|
if ($pid =~ m/^\d*$/s) { |
201
|
1
|
|
|
|
|
5
|
return 1; |
202
|
|
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|
|
} |
203
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0
|
|
|
|
|
0
|
return 0; |
204
|
|
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|
|
} |
205
|
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|
|
206
|
|
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|
207
|
|
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|
|
sub make_sandbox { |
208
|
0
|
|
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0
|
0
|
0
|
my ($daemon_data) = @_; |
209
|
|
|
|
|
|
|
|
210
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0
|
0
|
|
|
|
0
|
croak "Can't make sandbox without any data." unless $daemon_data->{pidfile}; |
211
|
|
|
|
|
|
|
|
212
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0
|
|
|
|
|
0
|
my ($pidfile, $path) = fileparse($daemon_data->{pidfile}); |
213
|
|
|
|
|
|
|
|
214
|
0
|
0
|
|
|
|
0
|
if (-e $path) { |
215
|
0
|
|
|
|
|
0
|
return 1; |
216
|
|
|
|
|
|
|
} |
217
|
|
|
|
|
|
|
|
218
|
0
|
0
|
|
|
|
0
|
mkdir $path or croak "Can't 'mkdir $path' Error: $!"; |
219
|
|
|
|
|
|
|
|
220
|
0
|
0
|
0
|
|
|
0
|
if ($daemon_data->{user} || $daemon_data->{group}) { |
221
|
0
|
|
|
|
|
0
|
my $uid = getpwnam($daemon_data->{user}); |
222
|
0
|
|
|
|
|
0
|
my $gid = getgrnam($daemon_data->{group}); |
223
|
0
|
|
|
|
|
0
|
chown $uid, $gid, $path; |
224
|
|
|
|
|
|
|
} |
225
|
0
|
|
|
|
|
0
|
return 1; |
226
|
|
|
|
|
|
|
} |
227
|
|
|
|
|
|
|
|
228
|
|
|
|
|
|
|
|
229
|
|
|
|
|
|
|
sub suppress { |
230
|
1
|
|
|
1
|
0
|
34
|
open STDIN , '<', '/dev/null'; |
231
|
1
|
|
|
|
|
16
|
open STDOUT, '>', '/dev/null'; |
232
|
1
|
|
|
|
|
21
|
open STDERR, '>', '/dev/null'; |
233
|
|
|
|
|
|
|
} |
234
|
|
|
|
|
|
|
|
235
|
|
|
|
|
|
|
|
236
|
|
|
|
|
|
|
1; |
237
|
|
|
|
|
|
|
|
238
|
|
|
|
|
|
|
__END__ |