Commit | Line | Data |
---|---|---|
9312c29d MW |
1 | #!/usr/bin/perl |
2 | ||
3 | require 5.002; | |
4 | use strict 'subs'; | |
5 | use strict 'barewords'; | |
6 | use English; | |
7 | ||
8 | sub check_uid($$$$$$) { | |
9 | my ($name, $uid, $gid, $gecos, $home, $shell) = @_; | |
10 | my $ok = 1; | |
11 | ||
12 | print "Checking user $name (uid $uid, gid $gid, homedir $home)... "; | |
13 | @name_entry = getpwnam("$name"); | |
14 | if ( @name_entry == () ) { | |
15 | my @uid_entry = getpwuid($uid); | |
16 | if ( @uid_entry == () ) { | |
17 | system("adduser --system --quiet --home $home --gid $gid --uid $uid --gecos \'$gecos\' $name >/dev/null 2>&1"); | |
18 | if ( $? != 0 ) { | |
19 | print "\n Error while adding user $name!\n"; | |
20 | $ok = 0; | |
21 | } | |
22 | else { | |
23 | print "added.\n"; | |
24 | } | |
25 | system("chsh -s $shell $name"); | |
26 | } | |
27 | else { | |
28 | print "error!\n Uid $uid is being used by user $uid_entry[0]\n"; | |
29 | $ok = 0; | |
30 | } | |
31 | } | |
32 | else { | |
33 | if ( $name_entry[3] != $gid ) { | |
34 | print "error!\n" if $ok; | |
35 | print " User $name has primary group $name_entry[3] instead of $gid\n"; | |
36 | $ok = 0; | |
37 | } | |
38 | if ( $name_entry[2] != $uid ) { | |
39 | print "error!\n" if $ok; | |
40 | print " User $name has uid $name_entry[2] instead of $uid\n"; | |
41 | $ok = 0; | |
42 | } | |
43 | if ( $name_entry[7] ne $home ) { | |
44 | print "error!\n" if $ok; | |
45 | print " User $name has home directory $name_entry[7] instead of $home\n"; | |
46 | $ok = 0; | |
47 | } | |
48 | if ( $ok ) { | |
49 | print "ok.\n"; | |
50 | } | |
51 | } | |
52 | return $ok; | |
53 | } | |
54 | ||
55 | sub check_gid($$@) { | |
56 | my ($name, $gid, @members) = @_; | |
57 | my $ok = 1; | |
58 | ||
59 | print "Checking group $name (gid $gid)... "; | |
60 | @name_entry = getgrnam($name); | |
61 | if ( @name_entry == () ) { | |
62 | my @gid_entry = getgrgid($gid); | |
63 | if ( @gid_entry == () ) { | |
64 | system("addgroup --quiet --gid $gid $name"); | |
65 | if ( $? != 0 ) { | |
66 | print "\n Error while adding group $name\n"; | |
67 | $ok = 0; | |
68 | } | |
69 | else { | |
70 | print "added.\n"; | |
71 | } | |
72 | } | |
73 | else { | |
74 | print "error!\n Gid $gid is being used by group $gid_entry[0]\n"; | |
75 | $ok = 0; | |
76 | } | |
77 | } | |
78 | else { | |
79 | if ( $name_entry[2] != $gid ) { | |
80 | print "error!\n Group $name has gid $name_entry[2] instead of $gid\n"; | |
81 | $ok = 0; | |
82 | } | |
83 | if ( $ok ) { | |
84 | print "ok.\n"; | |
85 | } | |
86 | } | |
87 | return $ok; | |
88 | } | |
89 | ||
90 | sub is_qmail_installed { | |
91 | my $qmail_installed = 0; | |
92 | ||
93 | print "Checking if qmail is already installed on this computer... "; | |
94 | ||
95 | $qmail_home = ''; | |
96 | if ( -d '/var/qmail' ) { | |
97 | print "\n Found /var/qmail directory"; | |
98 | $qmail_home = '/var/qmail'; | |
99 | $qmail_installed = 1; | |
100 | } | |
101 | else { | |
102 | $qmail_home = `qmail-home`; | |
103 | if ( $qmail_home ne '') { | |
104 | print "\n Found qmail home directory at $qmail_home (using qmail-home program)"; | |
105 | $qmail_installed = 1; | |
106 | } | |
107 | } | |
108 | ||
109 | if ( -d '/var/spool/qmail' ) { | |
110 | print "\n Found qmail spool directory at /var/spool/qmail"; | |
111 | $qmail_installed = 1; | |
112 | } | |
113 | if ( -d '/etc/qmail' ) { | |
114 | print "\n Found qmail control directory at /etc/qmail"; | |
115 | $qmail_installed = 1; | |
116 | } | |
117 | ||
118 | if ( (-r '/etc/inetd.conf') and `fgrep -q qmail-smtpd /etc/inetd.conf` ) { | |
119 | print "\n Found reference to qmail-smtpd in /etc/inetd.conf"; | |
120 | $qmail_installed = 1; | |
121 | } | |
122 | if ( (-r '/etc/xinetd.conf') and `fgrep -q qmail-smtpd /etc/xinetd.conf` ) { | |
123 | print "\n Found reference to qmail-smtpd in /etc/xinetd.conf"; | |
124 | $qmail_installed = 1; | |
125 | } | |
126 | ||
127 | if ( -x '/etc/init.d/qmail' ) { | |
128 | print "\n Found /etc/init.d/qmail script"; | |
129 | $qmail_installed = 1; | |
130 | } | |
131 | elsif ( `fgrep -q qmail-start /etc/init.d/*` ) { | |
132 | print "\n Found reference to qmail-start in /etc/init.d directory"; | |
133 | $qmail_installed = 1; | |
134 | } | |
135 | if ( -x '/etc/rc.local' and `fgrep -q qmail-start /etc/rc.local` ) { | |
136 | print "\n Found reference to qmail-start in /etc/rc.local"; | |
137 | $qmail_installed = 1; | |
138 | } | |
139 | ||
140 | if ( `killall -0 qmail-send >/dev/null 2>&1` ) { | |
141 | print "\n Found qmail-send process running"; | |
142 | $qmail_installed = 1; | |
143 | } | |
144 | ||
145 | print 'no.' unless $qmail_installed; | |
146 | print "\n"; | |
147 | return $qmail_installed; | |
148 | } | |
149 | ||
150 | ||
151 | $| = 1; | |
152 | ||
153 | $action = shift; | |
154 | ||
155 | if ( $action eq 'install' ) { | |
156 | $old_version = shift; | |
157 | if ( ! defined $old_version || $old_version eq '' ) { | |
158 | print "First installation of the Debian qmail package...\n"; | |
159 | # Check if a non-Debian qmail is installed... | |
160 | if ( is_qmail_installed() ) { | |
161 | print "Please remove your copy of qmail before installing the qmail Debian package.\n\n"; | |
162 | exit 1; | |
163 | } | |
164 | # Check for qmail uids and gids | |
165 | my $errors; | |
166 | $errors++ unless check_gid('qmail', 70, ()); | |
167 | #$errors++ unless check_gid('nogroup', 65534, ()); | |
168 | ||
169 | $errors++ unless check_uid('alias', 70, 65534, 'qmail alias', '/var/qmail/alias', '/bin/sh'); | |
170 | $errors++ unless check_uid('qmaild', 71, 65534, 'qmail daemon', '/var/qmail', '/bin/sh'); | |
171 | $errors++ unless check_uid('qmails', 72, 70, 'qmail send', '/var/qmail', '/bin/sh'); | |
172 | $errors++ unless check_uid('qmailr', 73, 70, 'qmail remote', '/var/qmail', '/bin/sh'); | |
173 | $errors++ unless check_uid('qmailq', 74, 70, 'qmail queue', '/var/qmail', '/bin/sh'); | |
174 | $errors++ unless check_uid('qmaill', 75, 65534, 'qmail log', '/var/qmail', '/bin/sh'); | |
175 | $errors++ unless check_uid('qmailp', 76, 65534, 'qmail pw', '/var/qmail', '/bin/sh'); | |
176 | #$errors++ unless check_uid('nobody', 65534, 65534, 'nobody', '/tmp', '/bin/sh'); | |
177 | ||
178 | if ( $errors ) { | |
179 | print "\n$errors entries have errors. Please correct these errors and reinstall qmail.\n"; | |
180 | exit 2; | |
181 | } | |
182 | } | |
183 | ||
184 | # Make sure there are no smtp entries in /etc/inetd.conf | |
185 | # Kludge around smail buggy /etc/inetd.conf handling. (Grr.) | |
186 | my $fixed_smail = 0; | |
187 | my $found_commented = 0; | |
188 | my $found_uncommented = 0; | |
189 | my $new_inetd = "/etc/inetd.conf.qmail-preinst.$$"; | |
190 | open I, '</etc/inetd.conf' or die "Could not open /etc/inetd.conf\n"; | |
191 | open N, ">$new_inetd" or die "Could not create $new_inetd\n"; | |
192 | while (<I>) { | |
193 | if ( m|^\# *smtp\s+.*/usr/sbin/in.smtpd.*\(will be restored by smail postinst\)\s*$| ) { | |
194 | $fixed_smail = 1; | |
195 | next; | |
196 | } elsif ( m/^\# *smtp\s+/ ) { | |
197 | $found_commented= 1; | |
198 | } elsif ( m/^smtp\s+/ ) { | |
199 | $found_uncommented= 1; | |
200 | } | |
201 | print N or die "Cannot write to $new_inetd\n"; | |
202 | } | |
203 | close N or die "Could not close $new_inetd\n"; | |
204 | close I or die "Could not close /etc/inetd.conf\n"; | |
205 | if ( $found_commented or $found_uncommented ) { | |
206 | print "Your /etc/inetd.conf already containts entries for the SMTP service.\n"; | |
207 | print "Please remove all SMTP entries from /etc/inetd.conf (even those commented out)\n"; | |
208 | print "and reinstall the qmail package.\n\n"; | |
209 | exit 1; | |
210 | } | |
211 | if ( $fixed_smail ) { | |
212 | print "Removing commented smtp entry left by buggy version of smail postinst... "; | |
213 | rename "$new_inetd", '/etc/inetd.conf' or die "failed!\n"; | |
214 | print "done.\n"; | |
215 | } | |
216 | } | |
217 | ||
218 | exit 0; |