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common_cmit.pm
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common_cmit.pm
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#!/usr/bin/perl -w
#
# Common function for monitors
#
# Version: 3.2
#
# History:
# 0.0.1 2010 May - Created
# 0.0.2 2010 May - add multiple SMS numbers
# 0.0.3 2010 May - add internal mail client
# 0.0.4 2010 May - fit for snmp_* clients - add snmp_get
# 0.0.5 2010 June - variable control (for $rest)
# 0.1.0 2010 July - snmp_get - first return parameter as success/failure flag
# 2010 August - get_file_name created for flexible and add monitor type
# 0.1.1 2011 January - add for wlog debug > 1 print to stdout too
# 2011 January - add month array
# 0.1.2 2011 February - add HTTPS support in get_www
# 0.1.3 2011 March - add webservice as channel to send alarms
# 0.1.4 2011 April - add check_file_v2, which will return with success or fail status and time when status is started
# 0.1.5 2011 April - add send_info function as new version of send_alarm (which become obsolute)
# 0.1.6 2011 June - create send_http and rewrite sms_send, fix send_webservice for return value
# 0.1.7 2011 July - clean up: delete send_alarm (send_info is new), get_info (get_info_v2 is new) , add USED BY in comments
# 2011 July - rewrite send_info that each alarm is send parralel (fork'ed)
# 0.1.8 2011 July - rewrite sms_send and send_http for MultiInfo SMS method (add Curl::Easy for ssl key support)
# 0.1.9 2011 July - add ids_data_get for more detailed works with IDS (fork, pipe, exec)
# 0.1.10 2011 October - add http notification
# 0.1.12 2012 July - rewrite send_http to use inter https_cat instead get_https (less prone of errors)
# 0.1.13 2012 August - use external SMS program to send e-mails
# 0.1.14 2012 September - rewrite send_info to support other languages (english)
# 0.1.15 2012 October - add send_http_v2 to accept dedicated time_out
# 0.1.16 2013 May - rewrite send_info for group alarm
# 0.1.17 2013 June - rewrite send_info to accept groups
# 0.1.18 2013 July - create check_file_v3 to accept monitor_id
# 0.1.19 2013 July - add decode_monitor_id function
# 2.0 2013 Aug - add common function for agent and snmp ( get_monitor_grow and get_monitor_linear)
# 2.1 2013 Aug - add to send_info addtional entry for history alarm
# 2.2 2013 Sep - add mail from as alarm@ in send_info function
# - fix send_mail function that status of QUIT command isn't take as result of send whole e-mail (important is ret code 384 after DATA)
# 2.3 2013 October - extract from send_info check_pass_time fuction
# 2.4 2013 November - optimise for speed up (remove unused functions: send_sms, get_http) and start to use require for module instead of use
# 2.5 2014 January - clean up (delete unused functions: check_file_v2)
# 2.6 2014 January - add check_time_slot function, pref_ids variable and functionality
# 2.7 2014 February - review send_http_v2 and get_www_v2 for error code 301 & 302
# 2.8 2014 March - correct get_monitor_ with good time
# 2.9 2014 March - add Date to e-mail header
# 2.10 2014 April - add freeze to send_info
# 2.11 2014 April - add send_http_v3 for POST data
# 2.12 2014 May - add send_http_v4 with cookie support
# 2.13 2014 May - add Message-ID to e-mail header
# 2.13.1 2015 Sep - fix get_monitor_grow with interface delimeter
# 2.14 2016 Jan - add SMTPS method to send e-mail (on 465 port) - update conv_v2 for write buffer control
# 2.15 2017 January - move sms text conversion (from non-alpha to %<hex>) to sms program
# 2.16 2017 February - add good time as env variable
# 3.0 2017 February - add troute monitor
# 3.0.1 2017 February - minor fix for troute
# 3.1 2017 November - add poczta
# 3.2 2017 December - fix get_file (first get tail of log, if less data, then gett current day, if still not enough then previuos file)
# 3.3 2018 January - rewrite debug variable to env cfg file
#
# Copyright by BROWARSKI
#
use strict;
use POSIX qw(setuid setgid setsid mkfifo);
use Fcntl;
use language;
use Time::HiRes;
use Net::DNS;
use Net::Ping;
use Net::SNMP qw(:snmp);
use IO::Socket::SSL;
# $IO::Socket::SSL::DEBUG=0;
use Socket;
use env;
my $SSL_trace = 0;
#
# default e-mail address (can be overwitten by alarm)
#
our $mail_from = "biuro\@cmit.net.pl";
our $sms_cl = "$ENV{HOME}/get/sms/bin/sms";
our $sms_path = "$ENV{HOME}/get/sms/cfg/";
#
# name: wlog
# desc: write log into file with timestamp
#
# global variables
# configf - what kind of log
# debug = 2 write into output too
#
# in:
# 1 - log string
#
# USED BY:
# ALL :)
#
sub wlog {
my $out = shift;
my $t = time;
my $dat = localtime($t);
($env::debug > 1) and print "$$-$dat: $out";
if (open ERR, ">>".$main::dir."/log/$t-".$main::configf."-$$.log") {
print ERR "$dat: $out";
close ERR;
}
};
# name: blad
# desc:critcal error
# in:
# out:
# no
# USED BY:
# hope, no one using this :)
#
sub blad {
my $str = shift;
wlog ($str);
exit 1;
}
#
# language of comments per account
# (default is english)
#
our $lang = \%language::english;
our $language = "english";
sub set_language {
my $user = shift;
my ($jest, @lan) = ids_data_get ("get", "$user/language");
if ($jest > 0) {
if ($lan[0] == 0) { $lang = \%language::polski; $language = "polski";}
if ($lan[0] == 1) { $lang = \%language::english; $language = "english"; }
}
$env::debug and wlog "set_language: lang set to: $language\n";
}
#
# function should be running after each external monitoring
# function check is script is still in defined time slot
# if time passed of running, script should immediate shutdown
# IN:
# NONE
#
# OUT:
# 0 - still in our time lot
# 1 - exit immediate
#
sub check_time_slot()
{
#
# round current time (simple floor)
#
my $current_minute = int(time / $main::script_duration) * $main::script_duration;
if ($current_minute > $main::start_minute) {
$env::debug and wlog "check_time_slot: Current time $current_minute greater that start time $main::start_minute plus $main::script_duration s . Exiting...\n";
return 1;
}
return 0;
}
#
# NAME: decode_monitor_id
# DESC: decode monitor ID paramter and return what for is it (ping, port etc)
#
# IN:
# string - monitor ID
#
# OUT:
# n - digit (0 - mean error, 1 - ping, 2 - port, 3 - login, 4 - www, 5 - dns, 6 - external, 8 - troute)
# <string> - configuration file
#
# USED BY:
# report.pl
#
sub decode_monitor_id {
my $mon_id = shift;
$mon_id =~ s/^\s*//;
# ($env::debug > 1) and wlog "decode_monitor_id: decode: $mon_id\n";
if ($mon_id =~ /^\d(\d)/) {
($1 == 1) and return (1, "ping");
($1 == 2) and return (2, "port");
($1 == 3) and return (3, "login");
($1 == 4) and return (4, "www");
($1 == 5) and return (5, "dns");
($1 == 6) and return (6, "external");
($1 == 7) and return (6, "monitor");
($1 == 8) and return (8, "troute");
($1 == 9) and return (9, "poczta");
}
# ($env::debug > 1) and wlog "decode_monitor_id: not detected monitor\n";
return (0, "");
}
#
# name: conv
# desc function for checking return code for smtp client
#
# in:
#
# out:
# number - 0 success, 1 failed
#
# USED BY:
# <local>: send_mail_att
#
sub conv {
my $sock = shift;
my $good_code = shift;
my $sent = shift;
my $line = <$sock>;
my $code = substr $line, 0, 3;
$env::debug and wlog "read from socket: $line\nCODE: $code\n";
if ($code == $good_code) {
defined $sent or return 1;
$env::debug and wlog "SENT: $sent\n";
if (!(syswrite SOCK, "$sent\n")) {
$env::debug and wlog "conv: BLAD sent $sent: $!\n";
return 1;
}
return 0;
}
wlog "received $line expected code $good_code\n";
return 1;
}
#
# name: conv_v2
# desc:function for checking return code for smtp/ftp/pop3 clients
# conv_v2 differ from conv return code
#
# IN:
# socket - for read/write
# good_code - expected 3 chars code
# sent - if good_code received, sent this command
#
# OUT:
# 0 - all good
# 1 - received not excepcted code (timeout)
# (<return code>, <line>)
#
# USED BY:
# login.pl: get_login
#
sub conv_v2 {
my $sock = shift;
my $good_code = shift;
my $sent = shift;
my $ret = 1;
#
# read data from socket
#
$env::debug and wlog "conv_v2: waiting for initial data\n";
my $line = <$sock>;
if ($line) {
$line =~ s/(\s*)$//g;
#
# extract 3 chars code
#
my $code = substr $line, 0, 3;
$env::debug and wlog "conv_v2: CODE $code - line: $line\n";
if ($code eq $good_code) {
$ret = 0;
if (defined $sent) {
$env::debug and wlog "conv_v2: SENT $sent\n";
$sent .= "\n";
my $l = length $sent;
my $sum = 0;
#
# syswrite - becuase of raw write
# substr - becauase SSL layer has only 16k and we need to repeat
# syswrite if buffer is greater than SSL buffer
#
for (; $sum < $l;) {
my $s = syswrite $sock, "$sent";
if (! defined $s) {
$env::debug and wlog "conv_v2: BLAD sent on $sum bytes: $!\n";
$ret = 1;
last;
}
$sum += $s;
$sent = substr $sent, $s;
$env::debug and wlog "conv_v2: sent $sum of $l\n";
# sleep 1;
}
}
} else {
$env::debug and wlog "received $line expected code $good_code\n";
}
} else {
$env::debug and wlog "conv_v2: ERROR: no received line from socket: $!\n";
$line = "line to receive not defined";
}
return wantarray ? ($ret, $line) : $ret;
}
#
# generate Date line for e-mail header
# in:
# timestamp for which we should generate date
# out:
# string with date
#
sub get_mail_date {
#
# abbrevation for month and day names
#
my ($t) = @_;
my @day = ("Sun", "Mon" , "Tue" , "Wed" , "Thu" ,"Fri" , "Sat" , "Sun");
my @mon = ("Jan" ,"Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
my @t = localtime();
my $dt = $t[6];
my $m = $t[4];
my $zone = "CEST";
$t[8] or $zone = "CET";
return sprintf "$day[$dt], %02d %s %04d %02d:%02d:%02d %s", $t[3], $mon[$m], $t[5] + 1900, $t[2], $t[1], $t[1], $zone;
}
#
# name: send_mail_mta
# desc:function send e-mail using internal e-mail server (postfix), this is used, when direct connection to MX don't works and we like send this e-mail later
#
# in:
# 1 - subject
# 2 - body
# 3 - to address (can be more address separated by space)
# out:
# 0 - don't send to eny one
# >0 - numbers of delivered e-mails
#
# USED BY:
# report.pl: MAIN
#
sub send_mail_mta {
my ($subject, $body,$tom) = @_;
my $r = 0;
my $e = "/usr/bin/mail -a 'X-Orig: $mail_from' -a 'FROM: CMIT.NET.PL <$mail_from>' -a 'MIME-Version: 1.0' -a 'Content-type: text/html; charset=UTF-8' -s '$subject' $tom";
# my $e = 'perl -e \'$l = <STDIN>; print $l\';';
$env::debug and wlog "send_mail_mta: send email to $e\n";
if (open MAIL, " | $e") {
$env::debug and wlog "send_mail_mta: send text: $body\n";
print MAIL $body;
print MAIL "\n";
close MAIL;
$r = 1;
} else {
$env::debug and wlog "send_mail_mta: error in open file $e: $!\n";
}
return $r;
}
#
# name: send_mail_att
# desc: function send e-mail using direct connection to MX server
# for each e-mail address separate header is build
#
# in:
# 1 - subject
# 2 - body
# 3 - to address (can be more address separated by space)
# 4 - attachments
#
# out:
# int - 0 - don't send to anyone , >0 - numbers of delivered e-mails
# txt - error test
#
# USED BY:
# <local>: send_mail
# report.pl: MAIN
sub send_mail_att {
my ($subject, $body,$tom, @att) = @_;
my $e = "\r\n";
# my $timeout = $main::timeout;
my @to_m = split /\s+/, $tom;
my $sent = 0;
my $mail_from_t = "CMIT.NET.PL";
defined $main::mail_from_title and $mail_from_t = $main::mail_from_title;
#
# for each e-mail recipients sent separate e-mail
#
my $af_inet = 2;
my $pf_inet = 2;
my $sock_stream = 1;
my $gtime = time();
my $gdate = get_mail_date($gtime);
my @chars = ("a".."z" , "A".."Z", 0..9);
my $mess_id = join "", map { @chars[rand @chars] } 1 .. 20;
$mess_id .= ".".$mail_from;
foreach my $dla (@to_m) {
$dla =~ s/^\s+//;
$dla =~ s/\s+$//;
my $boundary = "--very_long_line_to_divide_email_sections";
$env::debug and wlog "poczta dla $dla\n";
#
# build mail header
#
my $mess = "From: \"$mail_from_t\" <$mail_from>\n";
$mess .= "Subject: $subject\n";
$mess .= "Date: $gdate\n";
$mess .= "Message-ID: <$mess_id>\n";
$mess .= "To: <$dla>\n";
$mess .= "MIME-Version: 1.0\n";
if (@att) {
$mess.= "Content-Type: multipart/mixed; boundary=\"$boundary\"\n\nMultipart message\n--$boundary$e";
$mess .= "Content-Type: text/html; charset=UTF-8$e$e";
$mess .= "$body$e$e--$boundary";
foreach my $zal (@att) {
$mess .= "$e$zal$e";
$mess .= "--$boundary";
}
$mess .= "--$e";
} else {
$mess .= "Content-type: text/html; charset=UTF-8$e$e";
$mess .= "$body";
}
#
# end
#
$mess .= "$e$e.$e";
#
# exclude hostname from e-mail address to check to which MX we should connected
#
# print $mess;
# next;
my @smail = split /\@/, $dla, 2;
if (!defined $smail[1]) {
wlog "adres $dla nie ma serwera\n";
next;
}
my $res = Net::DNS::Resolver->new;
my @mx = Net::DNS::mx($res, $smail[1]);
if (!@mx) {
wlog "adres $smail[1] brak adresu MX: ".$res->errorstring."\n";
next;
}
my $proto = getprotobyname('tcp');
my $mx_ok = 0;
#
# try send e-mail to mx server taken from e-mail address
# if first mx failed, try next on list
#
my $t_o = $main::timeout / @mx;
($t_o < 5) and $t_o = 10;
foreach my $rmx (@mx) {
my $serwer = $rmx->exchange;
my $mx_code = 1;
my $sock;
$env::debug and wlog "SERWER MX: $serwer\n";
eval {
my $err = 0;
local $SIG{ALRM} = sub {
$env::debug and wlog "ALARM pass dla $serwer t_o $t_o (set timeout $main::timeout) sec.\n";
$err = "Timeout";
die "Timeout";
};
alarm $t_o;
#
# try first SSL connection
#
$sock = IO::Socket::SSL->new(
PeerHost => $serwer,
PeerPort => "smtps",
SSL_verify_mode => SSL_VERIFY_NONE
);
if (! defined ($sock)) {
$mx_code = 0;
$env::debug and wlog "send_mail_att: OPENSSL BLAD error=$!, ssl_error=$SSL_ERROR\n";
} else {
$env::debug and wlog "send_mail_att: OPENSSL to $serwer $sock\n";
}
#
# mx_code 0 mean that security connection failed
# try old 25 port instead
#
if (! $mx_code) {
my $iaddr = Socket::inet_aton($serwer);
if (!$iaddr) { wlog "serwer $serwer blad inet_aton\n";next; }
my $paddr = Socket::sockaddr_in("25", $iaddr);
if (!(socket($sock, $pf_inet, $sock_stream, $proto))) {
$env::debug and wlog "BLAD socket dla $serwer $!\n";
$err = "socket: $!";
die;
}
if (!(connect($sock, $paddr))) {
$env::debug and wlog "BLAD connect dla $serwer $!\n";
$err = "connect: $!";
die;
}
}
#
# we can die here, because we are in eval function
#
conv_v2($sock, "220", "HELO cmit.net.pl") and die "No greetings\n";
conv_v2($sock, "250", "MAIL FROM: <$mail_from>") and die "HELO no accepted\n";
conv_v2($sock, "250", "RCPT TO: <$dla>") and die "Mail From no accepted\n";
conv_v2($sock, "250", "DATA") and die "RCPT TO no accepted\n";
#
# give more time before data
#
alarm (2 * $t_o);
conv_v2($sock, "354", $mess) and die "DATA no accepted\n";
conv_v2($sock, "250", "QUIT") and die "Message no accepted\n";
$mx_ok = 1;
$sent++;
#
# wait only 5 seconds for QUIT
# (2s can sometimes be too short for gmail)
#
alarm $t_o;
my $end = <$sock>;
$env::debug and wlog "send_mail: get last data\n";
};
alarm 0;
if (defined $sock) {
close $sock or wlog "close: $!";
}
if ($@) {
$env::debug and wlog "send_mail: Error: $@";
}
$mx_ok and last;
}
}
$env::debug and wlog "send_mail: send $sent e-mails\n";
return $sent;
}
#
# name: send_mail_verbose
# desc: function send e-mail using direct connection to MX server
# it use by get_poczta as get more parameters and it's more detailed
#
# in:
# 1 - subject
# 2 - body
# 3 - to address (can be more address separated by space)
#
# out:
# int - 0 - don't send to anyone , >0 - numbers of delivered e-mails
# txt - error test
#
# USED BY:
# <local>: get_poczta
#
sub send_mail_verbose {
my ($protocol, $port, $subject, $body,$tom) = @_;
my $e = "\r\n";
# my $timeout = $main::timeout;
my @to_m = split /\s+/, $tom;
my $sent = 0;
my $mail_from_t = "CMIT.NET.PL";
#
# for each e-mail recipients sent separate e-mail
#
my $af_inet = 2;
my $pf_inet = 2;
my $sock_stream = 1;
my $gtime = time();
my $gdate = get_mail_date($gtime);
my @chars = ("a".."z" , "A".."Z", 0..9);
my $mess_id = join "", map { @chars[rand @chars] } 1 .. 20;
$mess_id .= ".".$mail_from;
my $err = "OK";
foreach my $dla (@to_m) {
$dla =~ s/^\s+//;
$dla =~ s/\s+$//;
$env::debug and wlog "poczta dla $dla\n";
#
# build mail header
#
my $mess = "From: \"$mail_from_t\" <$mail_from>\n";
$mess .= "Subject: $subject\n";
$mess .= "Date: $gdate\n";
$mess .= "Message-ID: <$mess_id>\n";
$mess .= "To: <$dla>\n";
$mess .= "MIME-Version: 1.0\n";
$mess .= "Content-type: text/plain; charset=UTF-8$e$e";
$mess .= "$body";
#
# end
#
$mess .= "$e$e.$e";
#
# exclude hostname from e-mail address to check to which MX we should connected
#
# print $mess;
# next;
my @smail = split /\@/, $dla, 2;
if (!defined $smail[1]) {
wlog "adres $dla nie ma serwera\n";
next;
}
my $res = Net::DNS::Resolver->new;
my @mx = Net::DNS::mx($res, $smail[1]);
if (!@mx) {
wlog "adres $smail[1] brak adresu MX: ".$res->errorstring."\n";
next;
}
my $proto = getprotobyname('tcp');
my $mx_ok = 0;
#
# try send e-mail to mx server taken from e-mail address
# if first mx failed, try next on list
#
my $t_o = $main::timeout / @mx;
($t_o < 5) and $t_o = 10;
foreach my $rmx (@mx) {
my $serwer = $rmx->exchange;
my $mx_code = 1;
my $sock;
$env::debug and wlog "SERWER MX: $serwer\n";
eval {
my $err = 0;
local $SIG{ALRM} = sub {
$env::debug and wlog "ALARM pass dla $serwer t_o $t_o (set timeout $main::timeout) sec.\n";
$err = "Timeout";
die;
};
alarm $t_o;
#
# try first SSL connection
#
if ($protocol =~ /^SMTPS/) {
$sock = IO::Socket::SSL->new(
PeerHost => $serwer,
PeerPort => $port,
SSL_verify_mode => SSL_VERIFY_NONE
);
if (! defined ($sock)) {
$env::debug and wlog "send_mail_verbose: OPENSSL BLAD error=$!, ssl_error=$SSL_ERROR\n";
$err = "OPENSSL ERROR=$!, SSL=$SSL_ERROR";
die;
}
$env::debug and wlog "send_mail_verbose: OPENSSL to $serwer $port $sock established\n";
}
#
# mx_code 0 mean that security connection failed
# try old 25 port instead
#
if ($protocol =~ /SMTP$/) {
my $iaddr = Socket::inet_aton($serwer);
if (!$iaddr) { wlog "serwer $serwer blad inet_aton\n";next; }
my $paddr = Socket::sockaddr_in($port, $iaddr);
if (!(socket($sock, $pf_inet, $sock_stream, $proto))) {
$env::debug and wlog "BLAD socket dla $serwer $!\n";
$err = "socket: $!";
die;
}
if (!(connect($sock, $paddr))) {
$env::debug and wlog "BLAD connect dla $serwer $!\n";
$err = "connect: $!";
die;
}
}
if (! defined ($sock)) {
$err = "unkown proto: $protocol";
$env::debug and wlog "send_mail_verbose: $err\n";
die;
}
#
# we can die here, because we are in eval function
#
my ($r, $er) = conv_v2($sock, "220", "HELO cmit.net.pl");
if ($r) {
die "No greetings: $er\n";
}
($r, $er) = conv_v2($sock, "250", "MAIL FROM: <$mail_from>");
if ($r) {
die "HELO no accepted: $er\n";
}
($r, $er) = conv_v2($sock, "250", "RCPT TO: <$dla>");
if ($r) {
die "Mail From no accepted: $er\n";
}
($r, $er) = conv_v2($sock, "250", "DATA");
if ($r) {
die "RCPT TO no accepted: $er\n";
}
#
# give more time before data
#
alarm (2 * $t_o);
($r, $er) = conv_v2($sock, "354", $mess);
if ($r) {
die "DATA no accepted: $r\n";
}
($r, $er) = conv_v2($sock, "250", "QUIT");
if ($r) {
$err = "Message no accepted: $r";
die;
}
$mx_ok = 1;
$sent++;
#
# wait only 5 seconds for QUIT
# (2s can sometimes be too short for gmail)
#
alarm $t_o;
my $end = <$sock>;
$env::debug and wlog "send_mail: get last data\n";
};
alarm 0;
if (defined $sock) {
close $sock or wlog "close: $!";
}
$err = "OK";
if ($@) {
$env::debug and wlog "send_mail: Error: $@";
$err = "Timeout";
}
$mx_ok and last;
}
}
$env::debug and wlog "send_mail: send $sent e-mails\n";
return ($sent, $err);
}
#
# name: send_mail
# desc: virtual function form send e-mail without attachments
# 0 - subject
# 1 - body
# 2 - to
# OUT:
# same as send_mail_att
#
# USED BY:
# <local>: send_info
# reminder.pl: MAIN
# report.pl: MAIN
#
sub send_mail {
return send_mail_att($_[0], $_[1], $_[2]);
}
#
# name: send_http_v4
# desc: function send HTTP(S) request (GET request)
#
# in:
# 1 - HTTP(S) server name (without http or https)
# 1 - timeout in seconds
# 3 - protocol - HTTP/HTTPS
# 4 - port (80 default)
# 5 - line with address
# 6 - data to send for POST
# 7 - cookie
#
# out:
# n - status (0, failed, 1 good)
# string with server header
# array (description, why failed, or return page from HTTP server)
#
# used by:
# <local>: sms_send
# <local>: send_info
# login.pl: get_www_v2
#
sub send_http_v2 {
return send_http_v3(@_);
}
sub send_http_v3 {
return send_http_v4(@_);
}
sub send_http_v4 {
# my ($serwer, $time_out, $http_proto, $port, $page, $pem_key) = @_;
my ($serwer, $time_out, $http_proto, $port, $page, $data, $cookie) = @_;
my $proto = getprotobyname('tcp');
my $server_head = "Unknown";
my @html;
my $err = "";
#
# more checks
#
if ((! $port) || (! ($port > 0))) {
$err = "Port not defined or not in range";
$env::debug and wlog "send_http: Error: $err\n";
return (0, "$err");
}
#
# check, is page start with / if not add lider /
#
($page =~ m|^/|) or $page = "/$page";
$env::debug and wlog "send_http_v4: serwer: $serwer proto: (HTTP or HTTPS) $http_proto and port: $port page $page\n";
#
# is perm key is defined
# then use CURL - currently not used (in past MultiInfo)
#
#
# normal internal wget
#
my $pf_inet = 2;
my $sock_stream = 1;
eval {
local $SIG{ALRM} = sub {
$env::debug and wlog "send_http_v4: ALARM pass dla $serwer $time_out sec.\n";
$err = "Timeout";
die "Timeout";
};
alarm ($time_out);
my $iaddr = Socket::inet_aton($serwer);
($iaddr) or return (0, $server_head, "send_http_v4: can not resolve name $serwer\n");
my $ip_hex = join('.', map { sprintf("%02X", ord($_)) } split(//, $iaddr));
$server_head = join('.', map { hex($_) } split(/\./, $ip_hex));
my $line;
if ((defined $data) && ($data)) {
$line = "POST $page HTTP/1.1\r\n";
$line .= "Content-Type: application/x-www-form-urlencoded\r\n";
$line .= "Content-Length: ".length($data)."\r\n";
} else {
$line = "GET $page HTTP/1.1\r\n";
}
$line .= "HOST: $serwer\r\n";
$line .= "User-Agent: CMIT.NET.PL (autobot)\r\n";
$line .= "Accept: */*\r\n";
$line .= "Connection: close\r\n";
if ((defined $cookie) && ($cookie)) {
$line .= "Cookie: $cookie\r\n";
}
if ((defined $data) && ($data)) {
$line .= "\r\n";
$line .= $data;
}
$line .= "\r\n\r\n";
$env::debug and wlog "send_http_v4: server IP: server $serwer server_head $server_head\nLINE: $line\n";
if ($http_proto eq "HTTPS") {
# $serwer =~ s/^https:\/\///;
#
# not Net::SSLeay::get_https as follow
# using RAW https connection as we like to use own HTTP HEADER
#
require Net::SSLeay;
$Net::SSLeay::trace = $SSL_trace;
my ($site, $errs, $cert) = Net::SSLeay::https_cat($server_head, $port, $line);
$cert and Net::SSLeay::X509_free($cert);
if ($site) {
# $env::debug and wlog "send_http_v4: HTTPS result $site\n";
@html = split /\n/, $site;
} else {
$env::debug and wlog "send_http_v4: HTTPS result NULL\n";
}
if ($errs) {
$env::debug and wlog "send_http_v4: errs: $errs\n";
@html = split /\n/, $errs;
unshift @html, "HTTP/1.1 900 NET OR SSL ERROR\r\n\r\n";
}
} elsif ($http_proto eq "HTTP") {
my $paddr = Socket::sockaddr_in($port, $iaddr);
if (!(socket(SOCK, $pf_inet, $sock_stream, $proto))) {
$err = "socket: $!";
$env::debug and wlog "send_http_v4: BLAD socket dla $serwer $err\n";
alarm 0;
die "$err";
}
if (!(connect(SOCK, $paddr))) {
$err = "connect: $!";
$env::debug and wlog "send_http_v4: BLAD connect dla $serwer $err\n";
close SOCK or blad "send_http_v4: $!";
alarm 0;
die "$err";
}
$env::debug and wlog "send_http_v4: connected to $serwer\n";
if (!(syswrite SOCK, $line)) {
$err = "$!";
$env::debug and wlog "send_http_v4: BLAD write dla $serwer $err\n";
alarm 0;
close SOCK or blad "send_http_v4: $!";
die "$err";
}
@html = <SOCK>;
close SOCK or blad "close: $!";
} else {
$env::debug and wlog "send_http_v4: ERROR: http_proto wrongly defined (should be HTTP or HTTPS) is: $http_proto\n";
die "Internal error\n";
}
alarm 0;
};
if ($@) {
$env::debug and wlog "send_http_v4: Error: $@ - $err\n";
return (0, $server_head, "$err");
}
return (1,$server_head, @html);
}
#
# name: lday
# desc: return name of current directory (which consign from year month day)
#
# in:
# string - user name
# n - time
#
# out:
# string - with consists of: $user/YYYYMMDD
#
# USED BY:
# login.pl: get_www_v2
# login.pl: get_dns
# login.pl: get_login
# login.pl get_external
# login.pl: get_ping_v2
#
sub lday {
my $user = shift;
my @day = gmtime (shift);
$user or return "lday_nouser/00000000";
my $ldir = sprintf ("$user/%04d%02d%02d", $day[5] + 1900, $day[4] + 1, $day[3]);
# system("$main::cl mkdir $ldir");
return $ldir;
};
#
# name: get_file_name
# desc: function generate name of file to get historical data based on account, time and protocol
#
# in:
# 1 - user
# 2 - name
# 3 - proto (protocol, used for suffix)
# 4 - time
#
# out:
# name of file from which get historical data
#
# USED BY
# <local>: get_file
#
sub get_file_name {
my $user = shift;
my $name = shift;
my $proto = shift;
my $stime = shift;
#
# build file name for current day
#
my $ldir = lday($user, $stime);
my $lfile;
if (($proto eq "icmp") || ($proto eq "UDP") || ($proto eq "TCP") || ($proto eq "FTP") || ($proto eq "POP3") || ($proto eq "www") || ($proto eq "DNS") || ($proto eq "external")) {
$lfile = "$ldir/$name-$proto";
} else {
# for SNMP (which has variable suffix)
$lfile = "$ldir/snmp/$name-$proto";
}
return $lfile;
}