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PK ! d
php_sockets.hnu [ /*
+----------------------------------------------------------------------+
| PHP Version 7 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2018 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Chris Vandomelen |
| Sterling Hughes |
| |
| WinSock: Daniel Beulshausen |
+----------------------------------------------------------------------+
*/
#ifndef PHP_SOCKETS_H
#define PHP_SOCKETS_H
/* $Id$ */
#if HAVE_CONFIG_H
# include "config.h"
#endif
#if HAVE_SOCKETS
#include
#ifdef PHP_WIN32
# include "windows_common.h"
#endif
#define PHP_SOCKETS_VERSION PHP_VERSION
extern zend_module_entry sockets_module_entry;
#define phpext_sockets_ptr &sockets_module_entry
#ifdef PHP_WIN32
#include
#else
#if HAVE_SYS_SOCKET_H
#include
#endif
#endif
#ifndef PHP_WIN32
typedef int PHP_SOCKET;
# define PHP_SOCKETS_API PHPAPI
#else
# define PHP_SOCKETS_API __declspec(dllexport)
typedef SOCKET PHP_SOCKET;
#endif
typedef struct {
PHP_SOCKET bsd_socket;
int type;
int error;
int blocking;
zval zstream;
} php_socket;
#ifdef PHP_WIN32
struct sockaddr_un {
short sun_family;
char sun_path[108];
};
#endif
PHP_SOCKETS_API int php_sockets_le_socket(void);
PHP_SOCKETS_API php_socket *php_create_socket(void);
PHP_SOCKETS_API void php_destroy_socket(zend_resource *rsrc);
PHP_SOCKETS_API void php_destroy_sockaddr(zend_resource *rsrc);
#define php_sockets_le_socket_name "Socket"
#define php_sockets_le_addrinfo_name "AddressInfo"
#define PHP_SOCKET_ERROR(socket, msg, errn) \
do { \
int _err = (errn); /* save value to avoid repeated calls to WSAGetLastError() on Windows */ \
(socket)->error = _err; \
SOCKETS_G(last_error) = _err; \
if (_err != EAGAIN && _err != EWOULDBLOCK && _err != EINPROGRESS) { \
php_error_docref(NULL, E_WARNING, "%s [%d]: %s", msg, _err, sockets_strerror(_err)); \
} \
} while (0)
ZEND_BEGIN_MODULE_GLOBALS(sockets)
int last_error;
char *strerror_buf;
ZEND_END_MODULE_GLOBALS(sockets)
ZEND_EXTERN_MODULE_GLOBALS(sockets)
#define SOCKETS_G(v) ZEND_MODULE_GLOBALS_ACCESSOR(sockets, v)
enum sockopt_return {
SOCKOPT_ERROR,
SOCKOPT_CONTINUE,
SOCKOPT_SUCCESS
};
char *sockets_strerror(int error);
php_socket *socket_import_file_descriptor(PHP_SOCKET sock);
#else
#define phpext_sockets_ptr NULL
#endif
#if defined(_AIX) && !defined(HAVE_SA_SS_FAMILY)
# define ss_family __ss_family
#endif
#endif
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
*/
PK ! unicast.pyonu [
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PK ! )a radio.pyonu [
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PK ! '}&Q Q unixserver.pyonu [
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PK ! l
unicast.pynu [ # Send UDP broadcast packets
MYPORT = 50000
import sys, time
from socket import *
s = socket(AF_INET, SOCK_DGRAM)
s.bind(('', 0))
while 1:
data = repr(time.time()) + '\n'
s.sendto(data, ('', MYPORT))
time.sleep(2)
PK ! \- unixclient.pyonu [
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PK ! U telnet.pynu ȯ #! /usr/bin/python2.7
# Minimal interface to the Internet telnet protocol.
#
# It refuses all telnet options and does not recognize any of the other
# telnet commands, but can still be used to connect in line-by-line mode.
# It's also useful to play with a number of other services,
# like time, finger, smtp and even ftp.
#
# Usage: telnet host [port]
#
# The port may be a service name or a decimal port number;
# it defaults to 'telnet'.
import sys, posix, time
from socket import *
BUFSIZE = 1024
# Telnet protocol characters
IAC = chr(255) # Interpret as command
DONT = chr(254)
DO = chr(253)
WONT = chr(252)
WILL = chr(251)
def main():
host = sys.argv[1]
try:
hostaddr = gethostbyname(host)
except error:
sys.stderr.write(sys.argv[1] + ': bad host name\n')
sys.exit(2)
#
if len(sys.argv) > 2:
servname = sys.argv[2]
else:
servname = 'telnet'
#
if '0' <= servname[:1] <= '9':
port = eval(servname)
else:
try:
port = getservbyname(servname, 'tcp')
except error:
sys.stderr.write(servname + ': bad tcp service name\n')
sys.exit(2)
#
s = socket(AF_INET, SOCK_STREAM)
#
try:
s.connect((host, port))
except error, msg:
sys.stderr.write('connect failed: ' + repr(msg) + '\n')
sys.exit(1)
#
pid = posix.fork()
#
if pid == 0:
# child -- read stdin, write socket
while 1:
line = sys.stdin.readline()
s.send(line)
else:
# parent -- read socket, write stdout
iac = 0 # Interpret next char as command
opt = '' # Interpret next char as option
while 1:
data = s.recv(BUFSIZE)
if not data:
# EOF; kill child and exit
sys.stderr.write( '(Closed by remote host)\n')
posix.kill(pid, 9)
sys.exit(1)
cleandata = ''
for c in data:
if opt:
print ord(c)
s.send(opt + c)
opt = ''
elif iac:
iac = 0
if c == IAC:
cleandata = cleandata + c
elif c in (DO, DONT):
if c == DO: print '(DO)',
else: print '(DONT)',
opt = IAC + WONT
elif c in (WILL, WONT):
if c == WILL: print '(WILL)',
else: print '(WONT)',
opt = IAC + DONT
else:
print '(command)', ord(c)
elif c == IAC:
iac = 1
print '(IAC)',
else:
cleandata = cleandata + c
sys.stdout.write(cleandata)
sys.stdout.flush()
try:
main()
except KeyboardInterrupt:
pass
PK ! '
rpython.pynu ȯ #! /usr/bin/python2.7
# Remote python client.
# Execute Python commands remotely and send output back.
import sys
import string
from socket import *
PORT = 4127
BUFSIZE = 1024
def main():
if len(sys.argv) < 3:
print "usage: rpython host command"
sys.exit(2)
host = sys.argv[1]
port = PORT
i = string.find(host, ':')
if i >= 0:
port = string.atoi(port[i+1:])
host = host[:i]
command = string.join(sys.argv[2:])
s = socket(AF_INET, SOCK_STREAM)
s.connect((host, port))
s.send(command)
s.shutdown(1)
reply = ''
while 1:
data = s.recv(BUFSIZE)
if not data: break
reply = reply + data
print reply,
main()
PK ! [gy y mcast.pyonu [
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PK ! $ $
throughput.pynu ȯ #! /usr/bin/python2.7
# Test network throughput.
#
# Usage:
# 1) on host_A: throughput -s [port] # start a server
# 2) on host_B: throughput -c count host_A [port] # start a client
#
# The server will service multiple clients until it is killed.
#
# The client performs one transfer of count*BUFSIZE bytes and
# measures the time it takes (roundtrip!).
import sys, time
from socket import *
MY_PORT = 50000 + 42
BUFSIZE = 1024
def main():
if len(sys.argv) < 2:
usage()
if sys.argv[1] == '-s':
server()
elif sys.argv[1] == '-c':
client()
else:
usage()
def usage():
sys.stdout = sys.stderr
print 'Usage: (on host_A) throughput -s [port]'
print 'and then: (on host_B) throughput -c count host_A [port]'
sys.exit(2)
def server():
if len(sys.argv) > 2:
port = eval(sys.argv[2])
else:
port = MY_PORT
s = socket(AF_INET, SOCK_STREAM)
s.bind(('', port))
s.listen(1)
print 'Server ready...'
while 1:
conn, (host, remoteport) = s.accept()
while 1:
data = conn.recv(BUFSIZE)
if not data:
break
del data
conn.send('OK\n')
conn.close()
print 'Done with', host, 'port', remoteport
def client():
if len(sys.argv) < 4:
usage()
count = int(eval(sys.argv[2]))
host = sys.argv[3]
if len(sys.argv) > 4:
port = eval(sys.argv[4])
else:
port = MY_PORT
testdata = 'x' * (BUFSIZE-1) + '\n'
t1 = time.time()
s = socket(AF_INET, SOCK_STREAM)
t2 = time.time()
s.connect((host, port))
t3 = time.time()
i = 0
while i < count:
i = i+1
s.send(testdata)
s.shutdown(1) # Send EOF
t4 = time.time()
data = s.recv(BUFSIZE)
t5 = time.time()
print data
print 'Raw timers:', t1, t2, t3, t4, t5
print 'Intervals:', t2-t1, t3-t2, t4-t3, t5-t4
print 'Total:', t5-t1
print 'Throughput:', round((BUFSIZE*count*0.001) / (t5-t1), 3),
print 'K/sec.'
main()
PK ! C broadcast.pynu [ # Send UDP broadcast packets
MYPORT = 50000
import sys, time
from socket import *
s = socket(AF_INET, SOCK_DGRAM)
s.bind(('', 0))
s.setsockopt(SOL_SOCKET, SO_BROADCAST, 1)
while 1:
data = repr(time.time()) + '\n'
s.sendto(data, ('', MYPORT))
time.sleep(2)
PK ! [gy y mcast.pycnu [
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#
# The information to write this program was gathered from RFC 959,
# but this is not a complete implementation! Yet it shows how a simple
# FTP client can be built, and you are welcome to extend it to suit
# it to your needs...
#
# How it works (assuming you've read the RFC):
#
# User commands are passed uninterpreted to the server. However, the
# user never needs to send a PORT command. Rather, the client opens a
# port right away and sends the appropriate PORT command to the server.
# When a response code 150 is received, this port is used to receive
# the data (which is written to stdout in this version), and when the
# data is exhausted, a new port is opened and a corresponding PORT
# command sent. In order to avoid errors when reusing ports quickly
# (and because there is no s.getsockname() method in Python yet) we
# cycle through a number of ports in the 50000 range.
import sys, posix, string
from socket import *
BUFSIZE = 1024
# Default port numbers used by the FTP protocol.
#
FTP_PORT = 21
FTP_DATA_PORT = FTP_PORT - 1
# Change the data port to something not needing root permissions.
#
FTP_DATA_PORT = FTP_DATA_PORT + 50000
# Main program (called at the end of this file).
#
def main():
hostname = sys.argv[1]
control(hostname)
# Control process (user interface and user protocol interpreter).
#
def control(hostname):
#
# Create control connection
#
s = socket(AF_INET, SOCK_STREAM)
s.connect((hostname, FTP_PORT))
f = s.makefile('r') # Reading the replies is easier from a file...
#
# Control loop
#
r = None
while 1:
code = getreply(f)
if code in ('221', 'EOF'): break
if code == '150':
getdata(r)
code = getreply(f)
r = None
if not r:
r = newdataport(s, f)
cmd = getcommand()
if not cmd: break
s.send(cmd + '\r\n')
# Create a new data port and send a PORT command to the server for it.
# (Cycle through a number of ports to avoid problems with reusing
# a port within a short time.)
#
nextport = 0
#
def newdataport(s, f):
global nextport
port = nextport + FTP_DATA_PORT
nextport = (nextport+1) % 16
r = socket(AF_INET, SOCK_STREAM)
r.bind((gethostbyname(gethostname()), port))
r.listen(1)
sendportcmd(s, f, port)
return r
# Send an appropriate port command.
#
def sendportcmd(s, f, port):
hostname = gethostname()
hostaddr = gethostbyname(hostname)
hbytes = string.splitfields(hostaddr, '.')
pbytes = [repr(port//256), repr(port%256)]
bytes = hbytes + pbytes
cmd = 'PORT ' + string.joinfields(bytes, ',')
s.send(cmd + '\r\n')
code = getreply(f)
# Process an ftp reply and return the 3-digit reply code (as a string).
# The reply should be a line of text starting with a 3-digit number.
# If the 4th char is '-', it is a multi-line reply and is
# terminate by a line starting with the same 3-digit number.
# Any text while receiving the reply is echoed to the file.
#
def getreply(f):
line = f.readline()
if not line: return 'EOF'
print line,
code = line[:3]
if line[3:4] == '-':
while 1:
line = f.readline()
if not line: break # Really an error
print line,
if line[:3] == code and line[3:4] != '-': break
return code
# Get the data from the data connection.
#
def getdata(r):
print '(accepting data connection)'
conn, host = r.accept()
print '(data connection accepted)'
while 1:
data = conn.recv(BUFSIZE)
if not data: break
sys.stdout.write(data)
print '(end of data connection)'
# Get a command from the user.
#
def getcommand():
try:
while 1:
line = raw_input('ftp.py> ')
if line: return line
except EOFError:
return ''
# Call the main program.
#
main()
PK ! j{
echosvr.pynu ȯ #! /usr/bin/python2.7
# Python implementation of an 'echo' tcp server: echo all data it receives.
#
# This is the simplest possible server, servicing a single request only.
import sys
from socket import *
# The standard echo port isn't very useful, it requires root permissions!
# ECHO_PORT = 7
ECHO_PORT = 50000 + 7
BUFSIZE = 1024
def main():
if len(sys.argv) > 1:
port = int(eval(sys.argv[1]))
else:
port = ECHO_PORT
s = socket(AF_INET, SOCK_STREAM)
s.bind(('', port))
s.listen(1)
conn, (remotehost, remoteport) = s.accept()
print 'connected by', remotehost, remoteport
while 1:
data = conn.recv(BUFSIZE)
if not data:
break
conn.send(data)
main()
PK ! .)S; ; echosvr.pyonu [
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PK ! Yڎe e
telnet.pyonu [
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finger.pyonu [
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PK ! vt t READMEnu [ This directory contains some demonstrations of the socket module:
broadcast.py Broadcast the time to radio.py.
echosvr.py About the simplest TCP server possible.
finger.py Client for the 'finger' protocol.
ftp.py A very simple ftp client.
gopher.py A simple gopher client.
mcast.py IPv4/v6 multicast example
radio.py Receive time broadcasts from broadcast.py.
telnet.py Client for the 'telnet' protocol.
throughput.py Client and server to measure TCP throughput.
unixclient.py Unix socket example, client side
unixserver.py Unix socket example, server side
udpecho.py Client and server for the UDP echo protocol.
PK ! .)S; ; echosvr.pycnu [
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PK ! ~hD7& 7& gopher.pynu ȯ #! /usr/bin/python2.7
# A simple gopher client.
#
# Usage: gopher [ [selector] host [port] ]
import string
import sys
import os
import socket
# Default selector, host and port
DEF_SELECTOR = ''
DEF_HOST = 'gopher.micro.umn.edu'
DEF_PORT = 70
# Recognized file types
T_TEXTFILE = '0'
T_MENU = '1'
T_CSO = '2'
T_ERROR = '3'
T_BINHEX = '4'
T_DOS = '5'
T_UUENCODE = '6'
T_SEARCH = '7'
T_TELNET = '8'
T_BINARY = '9'
T_REDUNDANT = '+'
T_SOUND = 's'
# Dictionary mapping types to strings
typename = {'0': '', '1': '', '2': '', '3': '', \
'4': '', '5': '', '6': '', '7': '', \
'8': '', '9': '', '+': '', 's': ''}
# Oft-used characters and strings
CRLF = '\r\n'
TAB = '\t'
# Open a TCP connection to a given host and port
def open_socket(host, port):
if not port:
port = DEF_PORT
elif type(port) == type(''):
port = string.atoi(port)
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect((host, port))
return s
# Send a selector to a given host and port, return a file with the reply
def send_request(selector, host, port):
s = open_socket(host, port)
s.send(selector + CRLF)
s.shutdown(1)
return s.makefile('r')
# Get a menu in the form of a list of entries
def get_menu(selector, host, port):
f = send_request(selector, host, port)
list = []
while 1:
line = f.readline()
if not line:
print '(Unexpected EOF from server)'
break
if line[-2:] == CRLF:
line = line[:-2]
elif line[-1:] in CRLF:
line = line[:-1]
if line == '.':
break
if not line:
print '(Empty line from server)'
continue
typechar = line[0]
parts = string.splitfields(line[1:], TAB)
if len(parts) < 4:
print '(Bad line from server: %r)' % (line,)
continue
if len(parts) > 4:
print '(Extra info from server: %r)' % (parts[4:],)
parts.insert(0, typechar)
list.append(parts)
f.close()
return list
# Get a text file as a list of lines, with trailing CRLF stripped
def get_textfile(selector, host, port):
list = []
get_alt_textfile(selector, host, port, list.append)
return list
# Get a text file and pass each line to a function, with trailing CRLF stripped
def get_alt_textfile(selector, host, port, func):
f = send_request(selector, host, port)
while 1:
line = f.readline()
if not line:
print '(Unexpected EOF from server)'
break
if line[-2:] == CRLF:
line = line[:-2]
elif line[-1:] in CRLF:
line = line[:-1]
if line == '.':
break
if line[:2] == '..':
line = line[1:]
func(line)
f.close()
# Get a binary file as one solid data block
def get_binary(selector, host, port):
f = send_request(selector, host, port)
data = f.read()
f.close()
return data
# Get a binary file and pass each block to a function
def get_alt_binary(selector, host, port, func, blocksize):
f = send_request(selector, host, port)
while 1:
data = f.read(blocksize)
if not data:
break
func(data)
# A *very* simple interactive browser
# Browser main command, has default arguments
def browser(*args):
selector = DEF_SELECTOR
host = DEF_HOST
port = DEF_PORT
n = len(args)
if n > 0 and args[0]:
selector = args[0]
if n > 1 and args[1]:
host = args[1]
if n > 2 and args[2]:
port = args[2]
if n > 3:
raise RuntimeError, 'too many args'
try:
browse_menu(selector, host, port)
except socket.error, msg:
print 'Socket error:', msg
sys.exit(1)
except KeyboardInterrupt:
print '\n[Goodbye]'
# Browse a menu
def browse_menu(selector, host, port):
list = get_menu(selector, host, port)
while 1:
print '----- MENU -----'
print 'Selector:', repr(selector)
print 'Host:', host, ' Port:', port
print
for i in range(len(list)):
item = list[i]
typechar, description = item[0], item[1]
print string.rjust(repr(i+1), 3) + ':', description,
if typename.has_key(typechar):
print typename[typechar]
else:
print ''
print
while 1:
try:
str = raw_input('Choice [CR == up a level]: ')
except EOFError:
print
return
if not str:
return
try:
choice = string.atoi(str)
except string.atoi_error:
print 'Choice must be a number; try again:'
continue
if not 0 < choice <= len(list):
print 'Choice out of range; try again:'
continue
break
item = list[choice-1]
typechar = item[0]
[i_selector, i_host, i_port] = item[2:5]
if typebrowser.has_key(typechar):
browserfunc = typebrowser[typechar]
try:
browserfunc(i_selector, i_host, i_port)
except (IOError, socket.error):
print '***', sys.exc_type, ':', sys.exc_value
else:
print 'Unsupported object type'
# Browse a text file
def browse_textfile(selector, host, port):
x = None
try:
p = os.popen('${PAGER-more}', 'w')
x = SaveLines(p)
get_alt_textfile(selector, host, port, x.writeln)
except IOError, msg:
print 'IOError:', msg
if x:
x.close()
f = open_savefile()
if not f:
return
x = SaveLines(f)
try:
get_alt_textfile(selector, host, port, x.writeln)
print 'Done.'
except IOError, msg:
print 'IOError:', msg
x.close()
# Browse a search index
def browse_search(selector, host, port):
while 1:
print '----- SEARCH -----'
print 'Selector:', repr(selector)
print 'Host:', host, ' Port:', port
print
try:
query = raw_input('Query [CR == up a level]: ')
except EOFError:
print
break
query = string.strip(query)
if not query:
break
if '\t' in query:
print 'Sorry, queries cannot contain tabs'
continue
browse_menu(selector + TAB + query, host, port)
# "Browse" telnet-based information, i.e. open a telnet session
def browse_telnet(selector, host, port):
if selector:
print 'Log in as', repr(selector)
if type(port) <> type(''):
port = repr(port)
sts = os.system('set -x; exec telnet ' + host + ' ' + port)
if sts:
print 'Exit status:', sts
# "Browse" a binary file, i.e. save it to a file
def browse_binary(selector, host, port):
f = open_savefile()
if not f:
return
x = SaveWithProgress(f)
get_alt_binary(selector, host, port, x.write, 8*1024)
x.close()
# "Browse" a sound file, i.e. play it or save it
def browse_sound(selector, host, port):
browse_binary(selector, host, port)
# Dictionary mapping types to browser functions
typebrowser = {'0': browse_textfile, '1': browse_menu, \
'4': browse_binary, '5': browse_binary, '6': browse_textfile, \
'7': browse_search, \
'8': browse_telnet, '9': browse_binary, 's': browse_sound}
# Class used to save lines, appending a newline to each line
class SaveLines:
def __init__(self, f):
self.f = f
def writeln(self, line):
self.f.write(line + '\n')
def close(self):
sts = self.f.close()
if sts:
print 'Exit status:', sts
# Class used to save data while showing progress
class SaveWithProgress:
def __init__(self, f):
self.f = f
def write(self, data):
sys.stdout.write('#')
sys.stdout.flush()
self.f.write(data)
def close(self):
print
sts = self.f.close()
if sts:
print 'Exit status:', sts
# Ask for and open a save file, or return None if not to save
def open_savefile():
try:
savefile = raw_input( \
'Save as file [CR == don\'t save; |pipeline or ~user/... OK]: ')
except EOFError:
print
return None
savefile = string.strip(savefile)
if not savefile:
return None
if savefile[0] == '|':
cmd = string.strip(savefile[1:])
try:
p = os.popen(cmd, 'w')
except IOError, msg:
print repr(cmd), ':', msg
return None
print 'Piping through', repr(cmd), '...'
return p
if savefile[0] == '~':
savefile = os.path.expanduser(savefile)
try:
f = open(savefile, 'w')
except IOError, msg:
print repr(savefile), ':', msg
return None
print 'Saving to', repr(savefile), '...'
return f
# Test program
def test():
if sys.argv[4:]:
print 'usage: gopher [ [selector] host [port] ]'
sys.exit(2)
elif sys.argv[3:]:
browser(sys.argv[1], sys.argv[2], sys.argv[3])
elif sys.argv[2:]:
try:
port = string.atoi(sys.argv[2])
selector = ''
host = sys.argv[1]
except string.atoi_error:
selector = sys.argv[1]
host = sys.argv[2]
port = ''
browser(selector, host, port)
elif sys.argv[1:]:
browser('', sys.argv[1])
else:
browser()
# Call the test program as a main program
test()
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unixserver.pynu [ # Echo server demo using Unix sockets (handles one connection only)
# Piet van Oostrum
import os
from socket import *
FILE = 'unix-socket'
s = socket(AF_UNIX, SOCK_STREAM)
s.bind(FILE)
print 'Sock name is: ['+s.getsockname()+']'
# Wait for a connection
s.listen(1)
conn, addr = s.accept()
while True:
data = conn.recv(1024)
if not data:
break
conn.send(data)
conn.close()
os.unlink(FILE)
PK ! # #
broadcast.pycnu [
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PK ! IA}
unixclient.pynu [ # Echo client demo using Unix sockets
# Piet van Oostrum
from socket import *
FILE = 'unix-socket'
s = socket(AF_UNIX, SOCK_STREAM)
s.connect(FILE)
s.send('Hello, world')
data = s.recv(1024)
s.close()
print 'Received', repr(data)
PK ! )a radio.pycnu [
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PK ! # #
broadcast.pyonu [
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PK ! c rpythond.pynu ȯ #! /usr/bin/python2.7
# Remote python server.
# Execute Python commands remotely and send output back.
# WARNING: This version has a gaping security hole -- it accepts requests
# from any host on the Internet!
import sys
from socket import *
import StringIO
import traceback
PORT = 4127
BUFSIZE = 1024
def main():
if len(sys.argv) > 1:
port = int(eval(sys.argv[1]))
else:
port = PORT
s = socket(AF_INET, SOCK_STREAM)
s.bind(('', port))
s.listen(1)
while 1:
conn, (remotehost, remoteport) = s.accept()
print 'connected by', remotehost, remoteport
request = ''
while 1:
data = conn.recv(BUFSIZE)
if not data:
break
request = request + data
reply = execute(request)
conn.send(reply)
conn.close()
def execute(request):
stdout = sys.stdout
stderr = sys.stderr
sys.stdout = sys.stderr = fakefile = StringIO.StringIO()
try:
try:
exec request in {}, {}
except:
print
traceback.print_exc(100)
finally:
sys.stderr = stderr
sys.stdout = stdout
return fakefile.getvalue()
main()
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PK ! \- unixclient.pycnu [
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PK ! Z6qA throughput.pyonu [
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PK ! ` finger.pynu ȯ #! /usr/bin/python2.7
# Python interface to the Internet finger daemon.
#
# Usage: finger [options] [user][@host] ...
#
# If no host is given, the finger daemon on the local host is contacted.
# Options are passed uninterpreted to the finger daemon!
import sys, string
from socket import *
# Hardcode the number of the finger port here.
# It's not likely to change soon...
#
FINGER_PORT = 79
# Function to do one remote finger invocation.
# Output goes directly to stdout (although this can be changed).
#
def finger(host, args):
s = socket(AF_INET, SOCK_STREAM)
s.connect((host, FINGER_PORT))
s.send(args + '\n')
while 1:
buf = s.recv(1024)
if not buf: break
sys.stdout.write(buf)
sys.stdout.flush()
# Main function: argument parsing.
#
def main():
options = ''
i = 1
while i < len(sys.argv) and sys.argv[i][:1] == '-':
options = options + sys.argv[i] + ' '
i = i+1
args = sys.argv[i:]
if not args:
args = ['']
for arg in args:
if '@' in arg:
at = string.index(arg, '@')
host = arg[at+1:]
arg = arg[:at]
else:
host = ''
finger(host, options + arg)
# Call the main function.
#
main()
PK ! Z6qA throughput.pycnu [
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PK ! Yڎe e
telnet.pycnu [
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i t telnett 0t 9t tcps : bad tcp service name
s connect failed: s
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PK ! radio.pynu [ # Receive UDP packets transmitted by a broadcasting service
MYPORT = 50000
import sys
from socket import *
s = socket(AF_INET, SOCK_DGRAM)
s.bind(('', MYPORT))
while 1:
data, wherefrom = s.recvfrom(1500, 0)
sys.stderr.write(repr(wherefrom) + '\n')
sys.stdout.write(data)
PK ! q<
finger.pycnu [
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PK ! ua
udpecho.pynu ȯ #! /usr/bin/python2.7
# Client and server for udp (datagram) echo.
#
# Usage: udpecho -s [port] (to start a server)
# or: udpecho -c host [port] 2:
port = eval(sys.argv[2])
else:
port = ECHO_PORT
s = socket(AF_INET, SOCK_DGRAM)
s.bind(('', port))
print 'udp echo server ready'
while 1:
data, addr = s.recvfrom(BUFSIZE)
print 'server received %r from %r' % (data, addr)
s.sendto(data, addr)
def client():
if len(sys.argv) < 3:
usage()
host = sys.argv[2]
if len(sys.argv) > 3:
port = eval(sys.argv[3])
else:
port = ECHO_PORT
addr = host, port
s = socket(AF_INET, SOCK_DGRAM)
s.bind(('', 0))
print 'udp echo client ready, reading stdin'
while 1:
line = sys.stdin.readline()
if not line:
break
s.sendto(line, addr)
data, fromaddr = s.recvfrom(BUFSIZE)
print 'client received %r from %r' % (data, fromaddr)
main()
PK ! ⱈ mcast.pynu ȯ #! /usr/bin/python2.7
#
# Send/receive UDP multicast packets.
# Requires that your OS kernel supports IP multicast.
#
# Usage:
# mcast -s (sender, IPv4)
# mcast -s -6 (sender, IPv6)
# mcast (receivers, IPv4)
# mcast -6 (receivers, IPv6)
MYPORT = 8123
MYGROUP_4 = '225.0.0.250'
MYGROUP_6 = 'ff15:7079:7468:6f6e:6465:6d6f:6d63:6173'
MYTTL = 1 # Increase to reach other networks
import time
import struct
import socket
import sys
def main():
group = MYGROUP_6 if "-6" in sys.argv[1:] else MYGROUP_4
if "-s" in sys.argv[1:]:
sender(group)
else:
receiver(group)
def sender(group):
addrinfo = socket.getaddrinfo(group, None)[0]
s = socket.socket(addrinfo[0], socket.SOCK_DGRAM)
# Set Time-to-live (optional)
ttl_bin = struct.pack('@i', MYTTL)
if addrinfo[0] == socket.AF_INET: # IPv4
s.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, ttl_bin)
else:
s.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_MULTICAST_HOPS, ttl_bin)
while True:
data = repr(time.time())
s.sendto(data + '\0', (addrinfo[4][0], MYPORT))
time.sleep(1)
def receiver(group):
# Look up multicast group address in name server and find out IP version
addrinfo = socket.getaddrinfo(group, None)[0]
# Create a socket
s = socket.socket(addrinfo[0], socket.SOCK_DGRAM)
# Allow multiple copies of this program on one machine
# (not strictly needed)
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
# Bind it to the port
s.bind(('', MYPORT))
group_bin = socket.inet_pton(addrinfo[0], addrinfo[4][0])
# Join group
if addrinfo[0] == socket.AF_INET: # IPv4
mreq = group_bin + struct.pack('=I', socket.INADDR_ANY)
s.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, mreq)
else:
mreq = group_bin + struct.pack('@I', 0)
s.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_JOIN_GROUP, mreq)
# Loop, printing any data we receive
while True:
data, sender = s.recvfrom(1500)
while data[-1:] == '\0': data = data[:-1] # Strip trailing \0's
print (str(sender) + ' ' + repr(data))
if __name__ == '__main__':
main()
PK ! dBT7 7 rpythond.pycnu [
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d x| | j \ } \ } } d G| G| GHd } x' | j t
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c B sv e j } e j } e j e _ e _ } z* y | i i UWn He j d n XWd | e _ | e _ X| j S( Nid ( R t stdoutt stderrt StringIOt tracebackt print_exct getvalue( R R R t fakefile( ( s- /usr/lib64/python2.7/Demo/sockets/rpythond.pyR % s
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