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Harald Welte gerrit-no-reply at lists.osmocom.orgHarald Welte has submitted this change and it was merged.
Change subject: Remove unused ipa.py
......................................................................
Remove unused ipa.py
Change-Id: I0a6c22f38480ae75ae9efb452e4eeacb39ae4f42
---
D contrib/ipa.py
1 file changed, 0 insertions(+), 278 deletions(-)
Approvals:
Harald Welte: Looks good to me, approved
Jenkins Builder: Verified
diff --git a/contrib/ipa.py b/contrib/ipa.py
deleted file mode 100755
index 71cbf45..0000000
--- a/contrib/ipa.py
+++ /dev/null
@@ -1,278 +0,0 @@
-#!/usr/bin/python3
-# -*- mode: python-mode; py-indent-tabs-mode: nil -*-
-"""
-/*
- * Copyright (C) 2016 sysmocom s.f.m.c. GmbH
- *
- * All Rights Reserved
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-"""
-
-import struct, random, sys
-
-class IPA(object):
- """
- Stateless IPA protocol multiplexer: add/remove/parse (extended) header
- """
- version = "0.0.5"
- TCP_PORT_OML = 3002
- TCP_PORT_RSL = 3003
- # OpenBSC extensions: OSMO, MGCP_OLD
- PROTO = dict(RSL=0x00, CCM=0xFE, SCCP=0xFD, OML=0xFF, OSMO=0xEE, MGCP_OLD=0xFC)
- # ...OML Router Control, GSUP GPRS extension, Osmocom Authn Protocol
- EXT = dict(CTRL=0, MGCP=1, LAC=2, SMSC=3, ORC=4, GSUP=5, OAP=6)
- # OpenBSC extension: SCCP_OLD
- MSGT = dict(PING=0x00, PONG=0x01, ID_GET=0x04, ID_RESP=0x05, ID_ACK=0x06, SCCP_OLD=0xFF)
- _IDTAG = dict(SERNR=0, UNITNAME=1, LOCATION=2, TYPE=3, EQUIPVERS=4, SWVERSION=5, IPADDR=6, MACADDR=7, UNIT=8)
- CTRL_GET = 'GET'
- CTRL_SET = 'SET'
- CTRL_REP = 'REPLY'
- CTRL_ERR = 'ERR'
- CTRL_TRAP = 'TRAP'
-
- def _l(self, d, p):
- """
- Reverse dictionary lookup: return key for a given value
- """
- if p is None:
- return 'UNKNOWN'
- return list(d.keys())[list(d.values()).index(p)]
-
- def _tag(self, t, v):
- """
- Create TAG as TLV data
- """
- return struct.pack(">HB", len(v) + 1, t) + v
-
- def proto(self, p):
- """
- Lookup protocol name
- """
- return self._l(self.PROTO, p)
-
- def ext(self, p):
- """
- Lookup protocol extension name
- """
- return self._l(self.EXT, p)
-
- def msgt(self, p):
- """
- Lookup message type name
- """
- return self._l(self.MSGT, p)
-
- def idtag(self, p):
- """
- Lookup ID tag name
- """
- return self._l(self._IDTAG, p)
-
- def ext_name(self, proto, exten):
- """
- Return proper extension byte name depending on the protocol used
- """
- if self.PROTO['CCM'] == proto:
- return self.msgt(exten)
- if self.PROTO['OSMO'] == proto:
- return self.ext(exten)
- return None
-
- def add_header(self, data, proto, ext=None):
- """
- Add IPA header (with extension if necessary), data must be represented as bytes
- """
- if ext is None:
- return struct.pack(">HB", len(data) + 1, proto) + data
- return struct.pack(">HBB", len(data) + 1, proto, ext) + data
-
- def del_header(self, data):
- """
- Strip IPA protocol header correctly removing extension if present
- Returns data length, IPA protocol, extension (or None if not defined for a give protocol) and the data without header
- """
- if not len(data):
- return None, None, None, None
- (dlen, proto) = struct.unpack('>HB', data[:3])
- if self.PROTO['OSMO'] == proto or self.PROTO['CCM'] == proto: # there's extension which we have to unpack
- return struct.unpack('>HBB', data[:4]) + (data[4:], ) # length, protocol, extension, data
- return dlen, proto, None, data[3:] # length, protocol, _, data
-
- def split_combined(self, data):
- """
- Split the data which contains multiple concatenated IPA messages into tuple (first, rest) where rest contains remaining messages, first is the single IPA message
- """
- (length, _, _, _) = self.del_header(data)
- return data[:(length + 3)], data[(length + 3):]
-
- def tag_serial(self, data):
- """
- Make TAG for serial number
- """
- return self._tag(self._IDTAG['SERNR'], data)
-
- def tag_name(self, data):
- """
- Make TAG for unit name
- """
- return self._tag(self._IDTAG['UNITNAME'], data)
-
- def tag_loc(self, data):
- """
- Make TAG for location
- """
- return self._tag(self._IDTAG['LOCATION'], data)
-
- def tag_type(self, data):
- """
- Make TAG for unit type
- """
- return self._tag(self._IDTAG['TYPE'], data)
-
- def tag_equip(self, data):
- """
- Make TAG for equipment version
- """
- return self._tag(self._IDTAG['EQUIPVERS'], data)
-
- def tag_sw(self, data):
- """
- Make TAG for software version
- """
- return self._tag(self._IDTAG['SWVERSION'], data)
-
- def tag_ip(self, data):
- """
- Make TAG for IP address
- """
- return self._tag(self._IDTAG['IPADDR'], data)
-
- def tag_mac(self, data):
- """
- Make TAG for MAC address
- """
- return self._tag(self._IDTAG['MACADDR'], data)
-
- def tag_unit(self, data):
- """
- Make TAG for unit ID
- """
- return self._tag(self._IDTAG['UNIT'], data)
-
- def identity(self, unit=b'', mac=b'', location=b'', utype=b'', equip=b'', sw=b'', name=b'', serial=b''):
- """
- Make IPA IDENTITY tag list, by default returns empty concatenated bytes of tag list
- """
- return self.tag_unit(unit) + self.tag_mac(mac) + self.tag_loc(location) + self.tag_type(utype) + self.tag_equip(equip) + self.tag_sw(sw) + self.tag_name(name) + self.tag_serial(serial)
-
- def ping(self):
- """
- Make PING message
- """
- return self.add_header(b'', self.PROTO['CCM'], self.MSGT['PING'])
-
- def pong(self):
- """
- Make PONG message
- """
- return self.add_header(b'', self.PROTO['CCM'], self.MSGT['PONG'])
-
- def id_ack(self):
- """
- Make ID_ACK CCM message
- """
- return self.add_header(b'', self.PROTO['CCM'], self.MSGT['ID_ACK'])
-
- def id_get(self):
- """
- Make ID_GET CCM message
- """
- return self.add_header(self.identity(), self.PROTO['CCM'], self.MSGT['ID_GET'])
-
- def id_resp(self, data):
- """
- Make ID_RESP CCM message
- """
- return self.add_header(data, self.PROTO['CCM'], self.MSGT['ID_RESP'])
-
-class Ctrl(IPA):
- """
- Osmocom CTRL protocol implemented on top of IPA multiplexer
- """
- def __init__(self):
- random.seed()
-
- def add_header(self, data):
- """
- Add CTRL header
- """
- return super(Ctrl, self).add_header(data.encode('utf-8'), IPA.PROTO['OSMO'], IPA.EXT['CTRL'])
-
- def rem_header(self, data):
- """
- Remove CTRL header, check for appropriate protocol and extension
- """
- (_, proto, ext, d) = super(Ctrl, self).del_header(data)
- if self.PROTO['OSMO'] != proto or self.EXT['CTRL'] != ext:
- return None
- return d
-
- def parse(self, data, op=None):
- """
- Parse Ctrl string returning (var, value) pair
- var could be None in case of ERROR message
- value could be None in case of GET message
- """
- (s, i, v) = data.split(' ', 2)
- if s == self.CTRL_ERR:
- return None, v
- if s == self.CTRL_GET:
- return v, None
- (s, i, var, val) = data.split(' ', 3)
- if s == self.CTRL_TRAP and i != '0':
- return None, '%s with non-zero id %s' % (s, i)
- if op is not None and i != op:
- if s == self.CTRL_GET + '_' + self.CTRL_REP or s == self.CTRL_SET + '_' + self.CTRL_REP:
- return None, '%s with unexpected id %s' % (s, i)
- return var, val
-
- def trap(self, var, val):
- """
- Make TRAP message with given (vak, val) pair
- """
- return self.add_header("%s 0 %s %s" % (self.CTRL_TRAP, var, val))
-
- def cmd(self, var, val=None):
- """
- Make SET/GET command message: returns (r, m) tuple where r is random operation id and m is assembled message
- """
- r = random.randint(1, sys.maxsize)
- if val is not None:
- return r, self.add_header("%s %s %s %s" % (self.CTRL_SET, r, var, val))
- return r, self.add_header("%s %s %s" % (self.CTRL_GET, r, var))
-
- def verify(self, reply, r, var, val=None):
- """
- Verify reply to SET/GET command: returns (b, v) tuple where v is True/False verification result and v is the variable value
- """
- (k, v) = self.parse(reply)
- if k != var or (val is not None and v != val):
- return False, v
- return True, v
-
-if __name__ == '__main__':
- print("IPA multiplexer v%s loaded." % IPA.version)
--
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Gerrit-MessageType: merged
Gerrit-Change-Id: I0a6c22f38480ae75ae9efb452e4eeacb39ae4f42
Gerrit-PatchSet: 3
Gerrit-Project: osmo-hlr
Gerrit-Branch: master
Gerrit-Owner: Max <msuraev at sysmocom.de>
Gerrit-Reviewer: Harald Welte <laforge at gnumonks.org>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: Max <msuraev at sysmocom.de>
Gerrit-Reviewer: Neels Hofmeyr <nhofmeyr at sysmocom.de>