/usr/lib/news/bin/inncheck is in inn 1:1.7.2q-44+b2.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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## $Revision: 1.26 $
## Sanity-check the configuration of an INN system
## by Brendan Kehoe <brendan@cygnus.com> and Rich $alz.
$ST_MODE = 2;
$ST_UID = 4;
$ST_GID = 5;
## =()<$newsuser = '@<NEWSUSER>@';>()=
$newsuser = 'news';
## =()<$newsgroup = '@<NEWSGROUP>@';>()=
$newsgroup = 'news';
## We use simple names, mapping them to the real filenames only when
## we actually need a filename.
%paths = (
## =()< 'active', '@<_PATH_ACTIVE>@',>()=
'active', '/var/lib/news/active',
## =()< 'archive', '@<_PATH_ARCHIVEDIR>@',>()=
'archive', '/var/spool/news/news.archive',
## =()< 'badnews', '@<_PATH_BADNEWS>@',>()=
'badnews', '/var/spool/news/in.coming/bad',
## =()< 'batchdir', '@<_PATH_BATCHDIR>@',>()=
'batchdir', '/var/spool/news/out.going',
## =()< 'control.ctl', '@<_PATH_CONTROLCTL>@',>()=
'control.ctl', '/etc/news/control.ctl',
## =()< 'ctlprogs', '@<_PATH_CONTROLPROGS>@',>()=
'ctlprogs', '/usr/lib/news/control',
## =()< 'expire.ctl', '@<_PATH_EXPIRECTL>@',>()=
'expire.ctl', '/etc/news/expire.ctl',
## =()< 'history', '@<_PATH_HISTORY>@',>()=
'history', '/var/lib/news/history',
## =()< 'hosts.nntp', '@<_PATH_INNDHOSTS>@',>()=
'hosts.nntp', '/etc/news/hosts.nntp',
## =()< 'inews', '@<_PATH_INEWS>@',>()=
'inews', '/usr/bin/inews',
## =()< 'inn.conf', '@<_PATH_CONFIG>@',>()=
'inn.conf', '/etc/news/inn.conf',
## =()< 'innd', '@<_PATH_INND>@',>()=
'innd', '/usr/sbin/innd',
## =()< 'innddir', '@<_PATH_INNDDIR>@',>()=
'innddir', '/run/innd',
## =()< 'inndstart', '@<_PATH_INNDSTART>@',>()=
'inndstart', '/usr/sbin/inndstart',
## =()< 'moderators', '@<_PATH_MODERATORS>@',>()=
'moderators', '/etc/news/moderators',
## =()< 'most_logs', '@<_PATH_MOST_LOGS>@',>()=
'most_logs', '/var/log/news',
## =()< 'newsbin', '@<_PATH_NEWSBIN>@',>()=
'newsbin', '/usr/lib/news/bin',
## =()< 'newsboot', '@<_PATH_NEWSBOOT>@',>()=
'newsboot', '/etc/news/boot',
## =()< 'newsfeeds', '@<_PATH_NEWSFEEDS>@',>()=
'newsfeeds', '/etc/news/newsfeeds',
## =()< 'overview.fmt', '@<_PATH_SCHEMA>@',>()=
'overview.fmt', '/etc/news/overview.fmt',
## =()< 'newslib', '@<_PATH_NEWSLIB>@',>()=
'newslib', '/var/lib/news',
## =()< 'nnrp.access', '@<_PATH_NNRPACCESS>@',>()=
'nnrp.access', '/etc/news/nnrp.access',
## =()< 'nnrpd', '@<_PATH_NNRPD>@',>()=
'nnrpd', '/usr/sbin/in.nnrpd',
##
'nntpsend.ctl', '/etc/news/nntpsend.ctl',
## =()< 'oldlogs', '@<_PATH_MOST_LOGS>@/OLD',>()=
'oldlogs', '/var/log/news/OLD',
## =()< 'parsectl', '@<_PATH_PARSECTL>@',>()=
'parsectl', '/usr/lib/news/bin/parsecontrol',
## =()< 'passwd.nntp', '@<_PATH_NNTPPASS>@',>()=
'passwd.nntp', '/etc/news/passwd.nntp',
## =()< 'rnews', '@<_PATH_RNEWS>@',>()=
'rnews', '/usr/bin/rnews',
## =()< 'rnewsprogs', '@<_PATH_RNEWSPROGS>@',>()=
'rnewsprogs', '/usr/lib/news/rnews',
## =()< 'spooltemp', '@<_PATH_SPOOLTEMP>@',>()=
'spooltemp', '/var/spool/news/in.coming/tmp',
## =()< 'spool', '@<_PATH_SPOOL>@',>()=
'spool', '/var/spool/news',
## =()< 'spoolnews', '@<_PATH_SPOOLNEWS>@'>()=
'spoolnews', '/var/spool/news/in.coming'
);
## The sub's that check the config files.
%checklist = (
'active', 'active',
'control.ctl', 'control_ctl',
'expire.ctl', 'expire_ctl',
'hosts.nntp', 'hosts_nntp',
'inn.conf', 'inn_conf',
'moderators', 'moderators',
'newsfeeds', 'newsfeeds',
'overview.fmt', 'overview_fmt',
'nnrp.access', 'nnrp_access',
'nntpsend.ctl', 'nntpsend_ctl',
'passwd.nntp', 'passwd_nntp'
);
## The modes of the config files we can check.
%modes = (
'active', 0644,
'control.ctl', 0644,
'expire.ctl', 0644,
'hosts.nntp', 0640,
'inn.conf', 0644,
'moderators', 0644,
'newsfeeds', 0644,
'overview.fmt', 0644,
'nnrp.access', 0640,
'nntpsend.ctl', 0644,
'passwd.nntp', 0640
);
sub
spacious
{
local ($i);
chop;
study;
if ( /^#/ || /^$/ ) {
$i = 1;
} elsif ( /^\s/ ) {
print "$file:$line: starts with whitespace\n";
$i = 1;
} elsif ( /\s$/ ) {
print "$file:$line: ends with whitespace\n";
$i = 1;
}
$i;
}
##
## These are the functions that verify each individual file, called
## from the main code. Each function gets <IN> as the open file, $line
## as the linecount, and $file as the name of the file.
##
##
## active
##
sub
active
{
local ($group, $hi, $lo, $f, $alias, %groups, %aliases);
input: while ( <IN> ) {
next input if &spacious($file, ++$line);
unless ( ($group, $hi, $lo, $f) = /^([^ ]+) (\d+) (\d+) (.+)$/ ) {
print "$file:$line: malformed line.\n";
next input;
}
print "$file:$line: group `$group' already appeared\n"
if $groups{$group}++;
print "$file:$line: `$hi' < '$lo'.\n"
if $hi < $lo && $lo != $hi + 1;
next input if $f =~ /^[jmynx]$/;
unless ( ($alias) = $f =~ /^=(.*)$/ ) {
print "$file:$line: bad flag `$f'.\n";
next input;
}
if ($alias eq "") {
print "$file:$line: empty alias.\n";
next input;
}
$aliases{$alias} = $line
unless defined $groups{$alias};
}
foreach $key ( keys %aliases ) {
print "$file:$aliases{$group} aliased to unknown group `$key'.\n"
unless defined $groups{$key};
}
1;
}
##
## control.ctl
##
%control'messages = (
'all', 1,
'checkgroups', 1,
'ihave', 1,
'newgroup', 1,
'rmgroup', 1,
'sendme', 1,
'sendsys', 1,
'senduuname', 1,
'version', 1,
);
%control'actions = (
'drop', 1,
'log', 1,
'mail', 1,
'doit', 1,
'doifarg', 1,
'verify', 1
);
sub
control_ctl
{
local ($msg, $from, $ng, $act);
input: while ( <IN> ) {
next input if &spacious($file, ++$line);
unless ( ($msg, $from, $ng, $act) =
/^([^:]+):([^:]+):([^:]+):(.+)$/ ) {
print "$file:$line: malformed line.\n";
next input;
}
if ( !defined $control'messages{$msg} ) {
print "$file:$line: unknown control message `$msg'.\n";
next input;
}
print "$file:$line: action for unknown control messages is `doit'.\n"
if $msg eq "default" && $act eq "doit";
print "$file:$line: empty from field.\n"
if $from eq "";
print "$file:$line: bad email address.\n"
if $from ne "*" && $from !~ /[@!]/;
## Perhaps check for conflicting rules, or warn about the last-match
## rule? Maybe later...
print "$file:$line: may not match groups properly.\n"
if $ng ne "*" && $ng !~ /\./;
if ( $act !~ /([^=]+)(=.+)?/ ) {
print "$file:$line: malformed line.\n";
next input;
}
$act =~ s/=.*//;
$act = "verify" if ($act =~ /^verify-.+/) ;
print "$file:$line: unknown action `$act'\n"
if !defined $control'actions{$act};
}
1;
}
##
## expire.ctl
##
sub
expire_ctl
{
local ($rem, $v, $def, $flag, $keep, $default, $purge);
input: while ( <IN> ) {
next input if &spacious($file, ++$line);
if ( ($v) = m@/remember/:(.+)@ ) {
print "$file:$line: more than one /remember/ line.\n"
if $rem++;
if ( $v !~ /[\d\.]+/ ) {
print "$file:$line: illegal value `$v' for remember.\n";
next input;
}
print "$file:$line: are you sure about your /remember/ value?\n"
## These are arbitrary "sane" values.
if $v != 0 && ($v > 60.0 || $v < 5.0);
next input;
}
## Could check for conflicting lines, but that's hard.
unless ( ($pat, $flag, $keep, $default, $purge) =
/^([^:])+:([^:]+):([\d\.]+|never):([\d\.]+|never):([\d\.]+|never)$/ ) {
print "$file:$line: malformed line.\n";
next input;
}
print "$file:$line: duplicate default line\n"
if $pat eq "*" && $flag eq "a" && $def++;
print "$file:$line: unknown modflag `$flag'\n"
if $flag !~ /[mMuUaA]/;
print "$file:$line: purge `$purge' younger than default `$default'.\n"
if $purge ne "never" && $default > $purge;
print "$file:$line: default `$default' younger than keep `$keep'.\n"
if $default ne "never" && $keep ne "never" && $keep > $default;
}
1;
}
##
## hosts.nntp
##
sub
hosts_nntp
{
local ($host, $pass);
input: while ( <IN> ) {
next input if &spacious($file, ++$line);
unless (($host, $pass) = /^([^:]+):(.*)/) {
print "$file:$line: malformed line.\n";
next input;
}
print "$file:$line bad format for host `$host'.\n"
unless $host =~ /^[\w\/\.\-]+$/ || $host =~ /^(\d+\.){3}\d+$/;
}
1;
}
##
## inn.conf
##
%inn_conf'fields = (
'domain', 0,
'fromhost', 0,
'moderatormailer', 0,
'organization', 0,
'pathhost', 0,
'server', 0,
'mime-version', 0,
'mime-contenttype', 0,
'mime-encoding', 0
);
%inn_conf'optionals = (
'mime-version', 0,
'mime-contenttype', 0,
'mime-encoding', 0
);
sub
inn_conf
{
local ($k, $v, $hostname, $fqdn);
chop($hostname = `hostname`);
$fqdn = (gethostbyname($hostname))[0];
foreach $key ( keys %inn_conf'fields ) {
$inn_conf'fields{$key} = 0;
}
input: while ( <IN> ) {
next input if &spacious($file, ++$line);
unless ( ($k, $v) = /^([^:]*):\s*(.*)$/ ) {
print "$file:$line: malformed line.\n";
next input;
}
if ( !defined $inn_conf'fields{$k} ) {
print "$file:$line: Invalid field `$k'\n";
next input;
}
if ( ++$inn_conf'fields{$k} > 1 ) {
print "$file:$line: Duplicate field `$k'\n";
next input;
}
if ( $k eq "domain" ) {
print "$file:$line: domain (`$v') isn't local domain\n"
if $fqdn =~ /[^\.]+\(\..*\)/ && $v ne $1;
print "$file:$line: domain should not have a leading period\n"
if $v =~ /^\./;
} elsif ( $k eq "fromhost" ) {
print "$file:$line: fromhost isn't a valid FQDN\n"
if $v !~ /[\w\-]+\.[\w\-]+/;
} elsif ( $k eq "moderatormailer" ) {
print "$file:$line: modmailer has bad address\n"
if $v !~ /[\w\-]+\.[\w\-]+/ && $v ne "%s";
} elsif ( $k eq "organization" ) {
print "$file:$line: org is blank\n"
if $v eq "";
} elsif ( $k eq "pathhost" ) {
print "$file:$line: pathhost has a ! in it\n"
if $v =~ /!/;
} elsif ( $k eq "server" ) {
print "$file:$line: server (`$v') isn't local hostname\n"
if $pedantic && $fqdn !~ /^$v/;
}
else {
print "$file:$line: semi-known field\n";
}
}
key: foreach $key ( keys %inn_conf'fields ) {
next key if defined $inn_conf'fields{$key};
next key if defined $inn_conf'optionals{$key};
if ( $key eq "moderatormailer" ) {
printf "$file:$line: missing $key and no moderators file.\n"
if ! -f $paths{"moderators"};
} elsif ( $pedantic ) {
printf "$file:$line: missing $key\n";
}
}
1;
}
##
## moderators
##
sub
moderators
{
local ($k, $v);
input: while ( <IN> ) {
next input if &spacious($file, ++$line);
unless ( ($k, $v) = /^([^:]+):(.+)$/ ) {
print "$file:$line: malformed line.\n";
next input;
}
if ( $k eq "" || $v eq "" ) {
print "$file:$line: missing field\n";
next input;
}
print "$file:$line: not an email address\n"
if $pedantic && $v !~ /[@!]/;
print "$file:$line: `$v' goes to local address\n"
if $pedantic && $v eq "%s";
print "$file:$line: more than one %s in address field\n"
if $v =~ /%s.*%s/;
}
1;
}
##
## newsfeeds
##
%newsfeeds'flags = (
'<', '^\d+$',
'>', '^\d+$',
'A', '^[dp]+$',
'B', '^\d+(/\d+)?$',
'F', '^.+$',
'G', '^\d+$',
'H', '^\d+$',
'I', '^\d+$',
'N', '^[mu]$',
'S', '^\d+$',
'T', '^[cflmpx]$',
'W', '^[*nfgbmstDNHOR]*$',
);
sub
newsfeeds
{
local ($next, $start, $me_empty, @muxes, %sites);
local ($site, $pats, $dists, $flags, $param, $type, $k, $v, $defsub);
local ($bang, $nobang, $prog, $dir);
input: while ( <IN> ) {
$line++;
next input if /^$/;
chop;
print "$file:$line: starts with whitespace\n"
if /^\s+/;
## Read continuation lines.
$start = $line;
while ( /\\$/ ) {
chop;
chop($next = <IN>);
$line++;
$next =~ s/^\s*//;
$_ .= $next;
}
next input if /^#/;
print "$file:$line: ends with whitespace\n"
if /\s+$/;
unless ( ($site, $pats, $flags, $param) =
/^([^:]+):([^:]*):([^:]*):(.*)$/ ) {
print "$file:$line: malformed line.\n";
next input;
}
print "$file:$line: Newsfeed `$site' has whitespace in its name\n"
if $site =~ /\s/;
print "$file:$line: comma-space in site name\n"
if $site =~ m@, @;
print "$file:$line: comma-space in subscription list\n"
if $pats =~ m@, @;
print "$file:$line: comma-space in flags\n"
if $flags =~ m@, @;
print "$file:$start: ME has exclusions\n"
if $site =~ m@^ME/@;
print "$file:$start: multiple slashes in exclusions for `$site'\n"
if $site =~ m@/.*/@;
$site =~ s@([^/]*)/.*@$1@;
print "$site, "
if $verbose;
if ( $site eq "ME" ) {
$defsub = $pats;
$defsub =~ s@(.*)/.*@$1@;
} elsif ( $defsub ne "" ) {
$pats = "$defsub,$pats";
}
print "$file:$start: Multiple slashes in distribution for `$site'\n"
if $pats =~ m@/.*/@;
if ( $site eq "ME" ) {
print "$file:$start: ME flags should be empty\n"
if $flags ne "";
print "$file:$start: ME param should be empty\n"
if $param ne "";
$me_empty = 1
if $pats !~ "/.+";
}
## If we don't have !junk,!control, give a helpful warning.
# if ( $site ne "ME" && $pats =~ /!\*,/ ) {
# print "$file:$start: consider adding !junk to $site\n"
# if $pats !~ /!junk/;
# print "$file:$start: consider adding !control to $site\n"
# if $pats !~ /!control/;
# }
## Check distributions.
if ( ($dists) = $pats =~ m@.*/(.*)@ ) {
$bang = $nobang = 0;
dist: foreach $d ( split(/,/, $dists) ) {
if ( $d =~ /^!/ ) {
$bang++;
}
else {
$nobang++;
}
print "$file:$start: questionable distribution `$d'\n"
if $d !~ /^!?[a-z0-9-]+$/;
}
print "$file:$start: both ! and non-! distributions\n"
if $bang && $nobang;
}
$type = "f";
flag: foreach $flag ( split(/,/, $flags) ) {
($k, $v) = $flag =~ /(.)(.*)/;
if ( !defined $newsfeeds'flags{$k} ) {
print "$file:$start: unknown flag `$flag'\n";
next flag;
}
if ( $v !~ /$newsfeeds'flags{$k}/ ) {
print "$file:$start: bad value `$v' for flag `$k'\n";
next flag;
}
$type = $v
if $k eq "T";
}
## Warn about multiple feeds.
if ( !defined $sites{$site} ) {
$sites{$site} = $type;
} elsif ( $sites{$site} ne $type ) {
print "$file:$start: feed $site multiple conflicting feeds\n";
}
if ( $type =~ /[cpx]/ ) {
$prog = $param;
$prog =~ s/\s.*//;
print "$file:$start: relative path for $site\n"
if $prog !~ m@^/@;
print "$file:$start: `$prog' is not executable for $site\n"
if ! -x $prog;
}
if ( $type eq "f" && $param =~ m@/@ ) {
$dir = $param;
$dir =~ s@(.*)/.*@\1@;
$dir = $paths{'batchdir'} . "/" . $dir
unless $dir =~ m@^/@;
print "$file:$start: directory `$dir' does not exist for $site\n"
if ! -d $dir;
}
## If multiplex target not known, add to multiplex list.
push(@muxes, "$start: undefined multiplex `$param'")
if $type eq "m" && !defined $sites{$param};
}
## Go through and make sure all referenced multiplex exist.
foreach (@muxes) {
print "$file:$_\n"
if /`(.*)'/ && !defined $sites{$1};
}
print "$file:0: warning you accept all incoming article distributions\n"
if !defined $sites{"ME"} || $me_empty;
print "done.\n"
if $verbose;
1;
}
##
## overview.fmt
##
#%overview_fmtheaders = (
# 'Approved', 1,
# 'Bytes', 1,
# 'Control', 1,
# 'Date', 1,
# 'Distribution', 1,
# 'Expires', 1,
# 'From', 1,
# 'Lines', 1,
# 'Message-ID', 1,
# 'Newsgroups', 1,
# 'Path', 1,
# 'References', 1,
# 'Reply-To', 1,
# 'Sender', 1,
# 'Subject', 1,
# 'Supersedes', 1,
#);
sub
overview_fmt
{
local ($header, $mode, $sawfull);
$sawfull = 0;
input: while ( <IN> ) {
next input if &spacious($file, ++$line);
unless ( ($header, $mode) = /^([^:]+):([^:]*)$/ ) {
print "$file:$line: malformed line.\n";
next input;
}
#print "$file:$line: unknown header `$header'\n"
# if !defined $overview_fmtheaders{$header};
if ( $mode eq "full" ) {
$sawfull++;
} elsif ( $mode eq "" ) {
print "$file:$line: short header `$header' appears after full one\n"
if $sawfull;
} else {
print "$file:$line: unknown mode `$mode'\n";
}
}
1;
}
##
## nnrp.access
##
sub
nnrp_access
{
local ($host, $perm, $user, $pass, $groups);
input: while ( <IN> ) {
next input if &spacious($file, ++$line);
unless ( ($host, $perm, $user, $pass, $groups) =
/^([^:])+:([^:]*):([^:]*):([^:]*):([^:]+)$/ ) {
print "$file:$line: malformed line.\n";
next input;
}
print "$file:$line: access list has a / in it\n"
if $host =~ m@/@;
print "$file:$line: unknown permissions: `$perm'\n"
unless $perm eq "" || $perm =~ /[RP]/;
}
1;
}
##
## nntpsend.ctl
##
sub
nntpsend_ctl
{
local ($site, $fqdn, $flags, $f, $v);
input: while ( <IN> ) {
next input if &spacious($file, ++$line);
## Ignore the size info for now.
unless ( ($site, $fqdn, $flags) =
/^([\w\-\.]+):([^:]*):[^:]*:([^:]*)$/ ) {
print "$file:$line: malformed line.\n";
next input;
}
print "$file:$line: FQDN is empty for `$site'\n"
if $fqdn eq "";
next input if $flags eq "";
flag: foreach (split(/ /, $flags)) {
unless ( ($f, $v) = /^-([adrvtTpSP])(.*)$/ ) {
print "$file:$line: unknown argument for `$site'\n";
next flag;
}
print "$file:$line: unknown argument to option `$f': $flags\n"
if ( $f eq "t" || $f eq "T" || $f eq "P") && $v !~ /\d+/;
}
}
1;
}
##
## passwd.nntp
##
sub
passwd_nntp
{
local ($name, $pass);
input: while ( <IN> ) {
next input if &spacious($file, ++$line);
unless ( ($name, $pass) = /[\w\-\.]+:(.*):(.*)(:authinfo)?$/ ) {
next input;
print "$file:$line: malformed line.\n";
}
print "$file:$line: username/password must both be blank or non-blank\n"
if ( $name eq "" && $pass ne "" ) || ($name ne "" && $pass eq "");
}
1;
}
##
## Routines to check permissions
##
## Given a file F, check its mode to be M, and its ownership to be by the
## user U in the group G. U and G have defaults.
sub
checkperm
{
local ($f, $m, $u, $g) = ( @_, $newsuser, $newsgroup);
local (@sb, $owner, $group, $mode);
die "Internal error, undefined name in perm from ", (caller(0))[2], "\n"
if !defined $f;
die "Internal error, undefined mode in perm from ", (caller(0))[2], "\n"
if !defined $m;
if ( ! -e $f ) {
print "$pfx$f:0: missing\n";
}
else {
@sb = stat _;
$owner = (getpwuid(@sb[$ST_UID]))[0];
$group = (getgrgid(@sb[$ST_GID]))[0];
$mode = @sb[$ST_MODE] & ~0770000;
## Ignore setgid bit on directories.
$mode &= ~0777000
if -d _;
if ( $owner ne $u ) {
print "$pfx$f:0: owned by $owner, should be $u\n";
print "chown $u $f\n"
if $fix;
}
if ( $group ne $g ) {
print "$pfx$f:0: in group $group, should be $g\n";
print "chgrp $g $f\n"
if $fix;
}
if ( $mode ne $m ) {
printf "$pfx$f:0: mode %o, should be %o\n", $mode, $m;
printf "chmod %o $f\n", $m
if $fix;
}
}
}
## Return 1 if the Intersection of the files in the DIR and FILES is empty.
## Otherwise, report an error for each illegal file, and return 0.
sub
intersect
{
local ($dir, @files) = @_;
local (@in, %dummy, $i);
if ( !opendir(DH, $dir) ) {
print "$pfx$dir:0: can't open directory\n";
}
else {
@in = grep($_ ne "." && $_ ne "..", readdir(DH));
closedir(DH);
}
$i = 1;
if ( scalar(@in) ) {
foreach ( @files ) {
$dummy{$_}++;
}
foreach ( grep ($dummy{$_} == 0, @in) ) {
print "$pfx$dir:0: ERROR: illegal file `$_' in directory\n";
$i = 0;
}
}
$i;
}
@directories = (
'archive', 'badnews', 'batchdir', 'ctlprogs', 'most_logs', # 'newsbin',
'newslib', 'oldlogs', 'rnewsprogs', 'spooltemp', 'spool', 'spoolnews'
);
@control_scripts = (
'checkgroups', 'default', 'docheckgroups', 'ihave', 'newgroup', 'rmgroup',
'sendme', 'sendsys', 'senduuname', 'version'
);
@rnews_programs = (
'c7unbatch', 'decode', 'encode', 'gunbatch'
);
@newsbin_public = (
'archive', 'batcher', 'buffchan', 'convdate', 'cvtbatch', 'expire',
'filechan', 'getlist', 'grephistory', 'innconfval', 'innxmit',
'makeactive', 'makehistory', 'newsrequeue', 'nntpget', 'overchan',
'prunehistory', 'shlock', 'shrinkfile'
);
@newsbin_private = (
'ctlinnd', 'expirerm', 'inncheck', 'innstat', 'innwatch',
'news.daily', 'nntpsend', 'scanlogs', 'sendbatch',
'tally.control', 'tally.unwanted', 'writelog'
);
@newslib_private = (
'send-ihave', 'send-nntp', 'send-uucp'
);
@newslib_private_read = (
'innlog.pl'
);
## The modes for the various programs.
%prog_modes = (
'inews', 02755,
'innd', 0755,
'newsboot', 0755,
'nnrpd', 0755,
'parsectl', 0755,
'rnews', 02755
);
## Check the permissions of nearly every file in an INN installation.
sub
check_all_perms
{
local ($rnewsprogs) = $paths{'rnewsprogs'};
local ($ctlprogs) = $paths{'ctlprogs'};
local ($newsbin) = $paths{'newsbin'};
local ($newslib) = $paths{'newslib'};
foreach ( @directories ) {
&checkperm($paths{$_}, $_ eq 'rnewsprogs' ? 0755 : 0775);
}
&checkperm($paths{'innddir'}, 0775);
foreach ( keys %prog_modes ) {
&checkperm($paths{$_}, $prog_modes{$_}, 'root');
}
&checkperm($paths{'inndstart'}, 04754, 'root', 'news');
foreach ( keys %paths ) {
&checkperm($paths{$_}, $modes{$_})
if defined $modes{$_};
}
&checkperm($paths{'history'}, 0644);
&checkperm($paths{'history'} . ".dir", 0644);
&checkperm($paths{'history'} . ".pag", 0644);
foreach ( @newslib_private ) {
&checkperm("/etc/news/scripts/$_", 0755);
}
foreach ( @newslib_private_read ) {
&checkperm("$newsbin/$_", 0644, 'root', 'root');
}
foreach ( @newsbin_private ) {
&checkperm("$newsbin/$_", 0755, 'root', 'root');
}
foreach ( @newsbin_public ) {
&checkperm("$newsbin/$_", 0755, 'root', 'root');
}
foreach ( @control_scripts ) {
&checkperm("$ctlprogs/$_", 0755);
}
foreach ( @rnews_programs ) {
&checkperm("$rnewsprogs/$_", 0755);
}
## Also make sure that @rnews_programs are the *only* programs in there;
## anything else is probably someone trying to spoof rnews into being bad.
&intersect($rnewsprogs, @rnews_programs);
1;
}
##
## Parsing, main routine.
##
sub
Usage
{
local ($i) = 0;
print "Usage error: @_.\n";
print
"Usage:
$program [-v] [-noperm] [-pedantic] [-perms [-fix] ] [-a|file...]
File to check may be followed by \"=path\" to use the specified path. All
files are checked if -a is used or if -perms is not used. Files that may
be checked are:\n";
foreach ( sort(keys %checklist) ) {
printf " %-20s", $_;
if ( ++$i == 3) {
print "\n";
$i = 0;
}
}
print "\n"
if $i;
exit 0;
}
sub
parse_flags
{
$all = 0;
$fix = 0;
$perms = 0;
$noperms = 0;
$verbose = 0;
@todo = ();
arg: foreach ( @ARGV ) {
if ( /-a/ ) {
$all++;
next arg;
}
if ( /^-v/ ) {
$verbose++;
next arg;
}
if ( /^-ped/ ) {
$pedantic++;
next arg;
}
if ( /^-f/ ) {
$fix++;
next arg;
}
if ( /^-per/ ) {
$perms++;
next arg;
}
if ( /^-noperm/ ) {
$noperms++;
next arg;
}
if ( /^-/ ) {
&Usage("Unknown flag `$_'");
}
if ( ($k, $v) = /(.*)=(.*)/ ) {
&Usage("Can't check `$k'")
if !defined $checklist{$k};
push(@todo, $k);
$paths{$k} = $v;
next arg;
}
&Usage("Can't check `$_'")
if !defined $checklist{$_};
push(@todo, $_);
}
&Usage("Can't use `-fix' without `-perm'")
if $fix && !$perms;
&Usage("Can't use `-noperm' with `-perm'")
if $noperms && $perms;
$pfx = $fix ? '# ' : '';
@todo = grep(defined $checklist{$_}, sort(keys %paths))
if $all || (scalar(@todo) == 0 && ! $perms);
}
$program = $0;
$program =~ s@.*/@@;
$| = 1;
&parse_flags();
action: foreach $workfile ( @todo ) {
$file = $paths{$workfile};
if ( ! -f $file ) {
print "$file:0: file missing\n";
next action;
}
print "Looking at $file...\n"
if $verbose;
if ( !open(IN, $file) ) {
print "$pfx$workfile:0: can't open $!\n";
next action;
}
if ($noperms == 0 && !$perms && defined $modes{$workfile}) {
if ($workfile eq 'active') {
&checkperm($file, $modes{$workfile});
} elsif (grep($workfile eq $_, qw(passwd.nntp nnrp.access hosts.nntp))) {
&checkperm($file, $modes{$workfile}, 'root', 'news');
} else {
&checkperm($file, $modes{$workfile}, 'root', 'root');
}
}
$line = 0;
eval "&$checklist{$workfile}" || warn "$@";
close(IN);
}
&check_all_perms()
if $perms;
exit(0);
if ( 0 ) {
&active();
&control_ctl();
&hosts_nntp();
&expire_ctl();
&inn_conf();
&moderators();
&nntpsend_ctl();
&nnrp_access();
&newsfeeds();
&overview_fmt();
&passwd_nntp();
}
|