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-rw-r--r--libmproxy/authentication.py122
-rw-r--r--libmproxy/contrib/md5crypt.py94
-rw-r--r--libmproxy/proxy.py13
3 files changed, 6 insertions, 223 deletions
diff --git a/libmproxy/authentication.py b/libmproxy/authentication.py
deleted file mode 100644
index 500ead6b..00000000
--- a/libmproxy/authentication.py
+++ /dev/null
@@ -1,122 +0,0 @@
-import binascii
-import contrib.md5crypt as md5crypt
-
-class NullProxyAuth():
- """
- No proxy auth at all (returns empty challange headers)
- """
- def __init__(self, password_manager):
- self.password_manager = password_manager
- self.username = ""
-
- def clean(self, headers):
- """
- Clean up authentication headers, so they're not passed upstream.
- """
- pass
-
- def authenticate(self, headers):
- """
- Tests that the user is allowed to use the proxy
- """
- return True
-
- def auth_challenge_headers(self):
- """
- Returns a dictionary containing the headers require to challenge the user
- """
- return {}
-
-
-class BasicProxyAuth(NullProxyAuth):
- CHALLENGE_HEADER = 'Proxy-Authenticate'
- AUTH_HEADER = 'Proxy-Authorization'
- def __init__(self, password_manager, realm):
- NullProxyAuth.__init__(self, password_manager)
- self.realm = realm
-
- def clean(self, headers):
- del headers[self.AUTH_HEADER]
-
- def authenticate(self, headers):
- auth_value = headers.get(self.AUTH_HEADER, [])
- if not auth_value:
- return False
- try:
- scheme, username, password = self.parse_auth_value(auth_value[0])
- except ValueError:
- return False
- if scheme.lower()!='basic':
- return False
- if not self.password_manager.test(username, password):
- return False
- self.username = username
- return True
-
- def auth_challenge_headers(self):
- return {self.CHALLENGE_HEADER:'Basic realm="%s"'%self.realm}
-
- def unparse_auth_value(self, scheme, username, password):
- v = binascii.b2a_base64(username + ":" + password)
- return scheme + " " + v
-
- def parse_auth_value(self, auth_value):
- words = auth_value.split()
- if len(words) != 2:
- raise ValueError("Invalid basic auth credential.")
- scheme = words[0]
- try:
- user = binascii.a2b_base64(words[1])
- except binascii.Error:
- raise ValueError("Invalid basic auth credential: user:password pair not valid base64: %s"%words[1])
- parts = user.split(':')
- if len(parts) != 2:
- raise ValueError("Invalid basic auth credential: decoded user:password pair not valid: %s"%user)
- return scheme, parts[0], parts[1]
-
-
-class PasswordManager():
- def __init__(self):
- pass
-
- def test(self, username, password_token):
- return False
-
-
-class PermissivePasswordManager(PasswordManager):
- def __init__(self):
- PasswordManager.__init__(self)
-
- def test(self, username, password_token):
- if username:
- return True
- return False
-
-
-class HtpasswdPasswordManager(PasswordManager):
- """
- Read usernames and passwords from a file created by Apache htpasswd
- """
- def __init__(self, filehandle):
- PasswordManager.__init__(self)
- entries = (line.strip().split(':') for line in filehandle)
- valid_entries = (entry for entry in entries if len(entry)==2)
- self.usernames = {username:token for username,token in valid_entries}
-
- def test(self, username, password_token):
- if username not in self.usernames:
- return False
- full_token = self.usernames[username]
- dummy, magic, salt, hashed_password = full_token.split('$')
- expected = md5crypt.md5crypt(password_token, salt, '$'+magic+'$')
- return expected==full_token
-
-
-class SingleUserPasswordManager(PasswordManager):
- def __init__(self, username, password):
- PasswordManager.__init__(self)
- self.username = username
- self.password = password
-
- def test(self, username, password_token):
- return self.username==username and self.password==password_token
diff --git a/libmproxy/contrib/md5crypt.py b/libmproxy/contrib/md5crypt.py
deleted file mode 100644
index d64ea8ac..00000000
--- a/libmproxy/contrib/md5crypt.py
+++ /dev/null
@@ -1,94 +0,0 @@
-# Based on FreeBSD src/lib/libcrypt/crypt.c 1.2
-# http://www.freebsd.org/cgi/cvsweb.cgi/~checkout~/src/lib/libcrypt/crypt.c?rev=1.2&content-type=text/plain
-
-# Original license:
-# * "THE BEER-WARE LICENSE" (Revision 42):
-# * <phk@login.dknet.dk> wrote this file. As long as you retain this notice you
-# * can do whatever you want with this stuff. If we meet some day, and you think
-# * this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
-
-# This port adds no further stipulations. I forfeit any copyright interest.
-
-import md5
-
-def md5crypt(password, salt, magic='$1$'):
- # /* The password first, since that is what is most unknown */ /* Then our magic string */ /* Then the raw salt */
- m = md5.new()
- m.update(password + magic + salt)
-
- # /* Then just as many characters of the MD5(pw,salt,pw) */
- mixin = md5.md5(password + salt + password).digest()
- for i in range(0, len(password)):
- m.update(mixin[i % 16])
-
- # /* Then something really weird... */
- # Also really broken, as far as I can tell. -m
- i = len(password)
- while i:
- if i & 1:
- m.update('\x00')
- else:
- m.update(password[0])
- i >>= 1
-
- final = m.digest()
-
- # /* and now, just to make sure things don't run too fast */
- for i in range(1000):
- m2 = md5.md5()
- if i & 1:
- m2.update(password)
- else:
- m2.update(final)
-
- if i % 3:
- m2.update(salt)
-
- if i % 7:
- m2.update(password)
-
- if i & 1:
- m2.update(final)
- else:
- m2.update(password)
-
- final = m2.digest()
-
- # This is the bit that uses to64() in the original code.
-
- itoa64 = './0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'
-
- rearranged = ''
- for a, b, c in ((0, 6, 12), (1, 7, 13), (2, 8, 14), (3, 9, 15), (4, 10, 5)):
- v = ord(final[a]) << 16 | ord(final[b]) << 8 | ord(final[c])
- for i in range(4):
- rearranged += itoa64[v & 0x3f]; v >>= 6
-
- v = ord(final[11])
- for i in range(2):
- rearranged += itoa64[v & 0x3f]; v >>= 6
-
- return magic + salt + '$' + rearranged
-
-if __name__ == '__main__':
-
- def test(clear_password, the_hash):
- magic, salt = the_hash[1:].split('$')[:2]
- magic = '$' + magic + '$'
- return md5crypt(clear_password, salt, magic) == the_hash
-
- test_cases = (
- (' ', '$1$yiiZbNIH$YiCsHZjcTkYd31wkgW8JF.'),
- ('pass', '$1$YeNsbWdH$wvOF8JdqsoiLix754LTW90'),
- ('____fifteen____', '$1$s9lUWACI$Kk1jtIVVdmT01p0z3b/hw1'),
- ('____sixteen_____', '$1$dL3xbVZI$kkgqhCanLdxODGq14g/tW1'),
- ('____seventeen____', '$1$NaH5na7J$j7y8Iss0hcRbu3kzoJs5V.'),
- ('__________thirty-three___________', '$1$HO7Q6vzJ$yGwp2wbL5D7eOVzOmxpsy.'),
- ('apache', '$apr1$J.w5a/..$IW9y6DR0oO/ADuhlMF5/X1')
- )
-
- for clearpw, hashpw in test_cases:
- if test(clearpw, hashpw):
- print '%s: pass' % clearpw
- else:
- print '%s: FAIL' % clearpw
diff --git a/libmproxy/proxy.py b/libmproxy/proxy.py
index 458ea2b5..1bf57b8a 100644
--- a/libmproxy/proxy.py
+++ b/libmproxy/proxy.py
@@ -16,9 +16,8 @@ import sys, os, string, socket, time
import shutil, tempfile, threading
import SocketServer
from OpenSSL import SSL
-from netlib import odict, tcp, http, wsgi, certutils, http_status
+from netlib import odict, tcp, http, wsgi, certutils, http_status, http_auth
import utils, flow, version, platform, controller
-import authentication
KILL = 0
@@ -619,14 +618,14 @@ def process_proxy_options(parser, options):
if len(options.auth_singleuser.split(':')) != 2:
parser.error("Please specify user in the format username:password")
username, password = options.auth_singleuser.split(':')
- password_manager = authentication.SingleUserPasswordManager(username, password)
+ password_manager = http_auth.PassManSingleUser(username, password)
elif options.auth_nonanonymous:
- password_manager = authentication.PermissivePasswordManager()
+ password_manager = http_auth.PassManNonAnon()
elif options.auth_htpasswd:
- password_manager = authentication.HtpasswdPasswordManager(options.auth_htpasswd)
- authenticator = authentication.BasicProxyAuth(password_manager, "mitmproxy")
+ password_manager = http_auth.PassManHtpasswd(options.auth_htpasswd)
+ authenticator = http_auth.BasicProxyAuth(password_manager, "mitmproxy")
else:
- authenticator = authentication.NullProxyAuth(None)
+ authenticator = http_auth.NullProxyAuth(None)
return ProxyConfig(
certfile = options.cert,
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-08 09:34:16 +0000