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81 lines
2.0 KiB
Perl
Executable File
81 lines
2.0 KiB
Perl
Executable File
# freebsd-lib.pl
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# Functions for freebsd format last output
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# passfiles_type()
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# Returns 0 for old-style passwords (/etc/passwd only), 1 for FreeBSD-style
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# (/etc/master.passwd) and 2 for SysV (/etc/passwd & /etc/shadow)
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sub passfiles_type
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{
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return 1;
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}
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# groupfiles_type()
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# Returns 0 for normal group file (/etc/group only) and 2 for shadowed
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# (/etc/group and /etc/gshadow)
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sub groupfiles_type
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{
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return 0;
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}
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# open_last_command(handle, user, [max])
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sub open_last_command
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{
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my ($fh, $user, $max) = @_;
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my $quser = quotemeta($user);
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$max = " -n $max" if ($max);
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open($fh, "(last -w$max $quser || last$max $quser) |");
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}
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# read_last_line(handle)
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# Parses a line of output from last into an array of
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# user, tty, host, login, logout, period
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sub read_last_line
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{
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$fh = $_[0];
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while(1) {
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chop($line = <$fh>);
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if (!$line) { return (); }
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if ($line =~ /^(reboot|shutdown)/) { next; }
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if ($line =~ /^(\S+)\s+(\S+)\s+(\S+)?\s+(\S+\s+\S+\s+\d+\s+\d+:\d+)\s+\-\s+(\S+)\s+\((.*?\d+:\d+.*?)\)/) {
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# root pts/0 10.211.55.2 Tue Nov 22 21:06 - 23:16 (02:10:00)
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# root pts/1 10.211.55.2 Wed Jun 29 13:13 - shutdown (7+00:01:20)
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return ($1, $2, $3, $4, $5 eq "shutdown" ? "Shutdown" :
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$5 eq "crash" ? "Crash" : $5, $6);
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}
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elsif ($line =~ /^(\S+)\s+(\S+)\s+(\S+)?\s+(\S+\s+\S+\s+\d+\s+\d+:\d+)\s+still/) {
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return ($1, $2, $3, $4);
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}
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}
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}
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# use_md5()
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# Returns 1 if pam is set up to use MD5 encryption
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sub use_md5
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{
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local $md5 = 0;
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&open_readfile(CONF, "/etc/login.conf");
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while(<CONF>) {
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s/\r|\n//g;
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s/#.*$//;
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$md5 = 1 if (/passwd_format\s*=\s*md5/);
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$md5 = 2 if (/passwd_format\s*=\s*blowfish/);
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$md5 = 3 if (/passwd_format\s*=\s*sha512/);
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$md5 = 4 if (/passwd_format\s*=\s*yescrypt/);
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}
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close(CONF);
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&open_readfile(CONF, "/etc/auth.conf");
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while(<CONF>) {
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s/\r|\n//g;
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s/#.*$//;
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$md5 = 1 if (/crypt_default\s*=\s*md5/);
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$md5 = 2 if (/crypt_default\s*=\s*blowfish/);
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$md5 = 3 if (/crypt_default\s*=\s*sha512/);
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$md5 = 4 if (/crypt_default\s*=\s*yescrypt/);
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}
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close(CONF);
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return $md5;
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}
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1;
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