#!/usr/bin/env python
# coding: utf-8
# protocol.py - generator for entire TMWA network protocol
#
# Copyright © 2014 Ben Longbons <b.r.longbons@gmail.com>
#
# This file is part of The Mana World (Athena server)
#
# 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, see <http://www.gnu.org/licenses/>.
import glob
import os
from posixpath import relpath
# The following code should be relatively easy to understand, but please
# keep your sanity fastened and your arms and legs inside at all times.
generated = '// This is a generated file, edit %s instead\n' % __file__
copyright = '''// {filename} - {description}
//
// Copyright © 2014 Ben Longbons <b.r.longbons@gmail.com>
//
// This file is part of The Mana World (Athena server)
//
// 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, see <http://www.gnu.org/licenses/>.
'''
class LowType(object):
__slots__ = ()
class NativeType(LowType):
__slots__ = ('name')
def __init__(self, name):
self.name = name
def a_tag(self):
return self.name
class NetworkType(LowType):
__slots__ = ('name')
def __init__(self, name):
self.name = name
def e_tag(self):
return self.name
class Type(object):
__slots__ = ()
class NeutralType(Type):
__slots__ = ('name')
def __init__(self, name):
self.name = name
def native_tag(self):
return self.name
def network_tag(self):
return self.name
e_tag = network_tag
class StringType(Type):
__slots__ = ('native')
def __init__(self, native):
self.native = native
def native_tag(self):
return self.native.a_tag()
def network_tag(self):
return 'NetString<sizeof(%s)>' % self.native.a_tag()
def dump(self, f):
# not implemented properly, uses a template in the meta instead
pass
class ProvidedType(Type):
__slots__ = ('native', 'network')
def __init__(self, native, network):
self.native = native
self.network = network
def native_tag(self):
return self.native.a_tag()
def network_tag(self):
return self.network.e_tag()
class EnumType(Type):
__slots__ = ('native', 'under')
def __init__(self, native, under):
self.native = native
self.under = under
def native_tag(self):
return self.native.a_tag()
def network_tag(self):
return self.under.network_tag()
def dump(self, f):
native = self.native_tag()
under = self.under.native_tag()
network = self.network_tag()
f.write('inline __attribute__((warn_unused_result))\n')
f.write('bool native_to_network({0} *network, {1} native)\n{{\n'.format(network, native))
f.write(' bool rv = true;\n')
f.write(' {0} tmp = static_cast<{0}>(native);\n'.format(under))
f.write(' rv &= native_to_network(network, tmp);\n')
f.write(' return rv;\n')
f.write('}\n')
f.write('inline __attribute__((warn_unused_result))\n')
f.write('bool network_to_native({0} *native, {1} network)\n{{\n'.format(native, network))
f.write(' bool rv = true;\n')
f.write(' {0} tmp;\n'.format(under))
f.write(' rv &= network_to_native(&tmp, network);\n')
f.write(' *native = static_cast<{0}>(tmp);\n'.format(native))
f.write(' // TODO this is what really should be doing a checked cast\n')
f.write(' return rv;\n')
f.write('}\n')
class WrappedType(Type):
__slots__ = ('native', 'under')
def __init__(self, native, under):
self.native = native
self.under = under
def native_tag(self):
return self.native.a_tag()
def network_tag(self):
return self.under.network_tag()
def dump(self, f):
native = self.native_tag()
under = self.under.native_tag()
network = self.network_tag()
f.write('inline __attribute__((warn_unused_result))\n')
f.write('bool native_to_network({0} *network, {1} native)\n{{\n'.format(network, native))
f.write(' bool rv = true;\n')
f.write(' {0} tmp = unwrap<{1}>(native);\n'.format(under, native))
f.write(' rv &= native_to_network(network, tmp);\n')
f.write(' return rv;\n')
f.write('}\n')
f.write('inline __attribute__((warn_unused_result))\n')
f.write('bool network_to_native({0} *native, {1} network)\n{{\n'.format(native, network))
f.write(' bool rv = true;\n')
f.write(' {0} tmp;\n'.format(under))
f.write(' rv &= network_to_native(&tmp, network);\n')
f.write(' *native = wrap<{0}>(tmp);\n'.format(native))
f.write(' return rv;\n')
f.write('}\n')
class StructType(Type):
__slots__ = ('name', 'fields', 'size')
def __init__(self, name, fields, size):
self.name = name
self.fields = fields
self.size = size
def dump(self, f):
self.dump_native(f)
self.dump_network(f)
self.dump_convert(f)
f.write('\n')
def dump_native(self, f):
name = self.name
f.write('struct %s\n{\n' % name)
for (o, l, n) in self.fields:
f.write(' %s %s;\n' % (l.native_tag(), n))
f.write('};\n')
def dump_network(self, f):
name = 'Net%s' % self.name
f.write('struct %s\n{\n' % name)
for (o, l, n) in self.fields:
f.write(' %s %s;\n' % (l.network_tag(), n))
f.write('};\n')
for (o, l, n) in self.fields:
if o is not None:
s = 'offsetof(%s, %s) == %d' % (name, n, o)
f.write('static_assert({0}, "{0}");\n'.format(s))
if self.size is not None:
s = 'sizeof(%s) == %d' % (name, self.size)
f.write('static_assert({0}, "{0}");\n'.format(s))
def dump_convert(self, f):
f.write('inline __attribute__((warn_unused_result))\n')
f.write('bool native_to_network(Net{0} *network, {0} native)\n{{\n'.format(self.name))
f.write(' bool rv = true;\n')
for (o, l, n) in self.fields:
f.write(' rv &= native_to_network(&network->{0}, native.{0});\n'.format(n))
f.write(' return rv;\n')
f.write('}\n')
f.write('inline __attribute__((warn_unused_result))\n')
f.write('bool network_to_native({0} *native, Net{0} network)\n{{\n'.format(self.name))
f.write(' bool rv = true;\n')
for (o, l, n) in self.fields:
f.write(' rv &= network_to_native(&native->{0}, network.{0});\n'.format(n))
f.write(' return rv;\n')
f.write('}\n')
class PartialStructType(Type):
__slots__ = ('native', 'body')
def __init__(self, native, body):
self.native = native
self.body = body
def native_tag(self):
return self.native.a_tag()
def network_tag(self):
return 'Net%s' % self.native_tag()
def dump(self, f):
f.write('struct %s\n{\n' % self.network_tag())
for n, t in self.body:
f.write(' %s %s;\n' % (t.network_tag(), n))
f.write('};\n')
f.write('inline __attribute__((warn_unused_result))\n')
f.write('bool native_to_network(Net{0} *network, {0} native)\n{{\n'.format(self.native_tag()))
f.write(' bool rv = true;\n')
for n, t in self.body:
u = t.native_tag()
# probably not necessary
f.write(' {1} {0} = native.{0}; rv &= native_to_network(&network->{0}, {0});\n'.format(n, u))
f.write(' return rv;\n')
f.write('}\n')
f.write('inline __attribute__((warn_unused_result))\n')
f.write('bool network_to_native({0} *native, Net{0} network)\n{{\n'.format(self.native_tag()))
f.write(' bool rv = true;\n')
for n, t in self.body:
# the temporary is ABSOLUTELY NECESSARY here
# the native type is permitted to differ from the declared type
# e.g. HumanTimeDiff uses int16_t instead of uint16_t
u = t.native_tag()
f.write(' {1} {0}; rv &= network_to_native(&{0}, network.{0}); native->{0} = {0};\n'.format(n, u))
f.write(' return rv;\n')
f.write('}\n')
f.write('\n')
class Include(object):
__slots__ = ('path', '_types')
def __init__(self, path):
self.path = path
self._types = []
def testcase(self, outdir):
basename = os.path.basename(self.path.strip('<">'))
root = os.path.splitext(basename)[0]
filename = 'include_%s_test.cpp' % root
desc = 'testsuite for protocol includes'
poison = relpath('src/poison.hpp', outdir)
with open(os.path.join(outdir, filename), 'w') as f:
f.write(self.pp(0))
f.write(copyright.format(filename=filename, description=desc))
f.write('\n')
f.write('#include "%s"\n\n' % poison)
for t in self._types:
f.write('using %s = %s;\n' % ('Test_' + ident(t.name), t.name))
def pp(self, n):
return '#%*sinclude %s\n' % (n, '', self.path)
def native(self, name):
ty = NativeType(name)
self._types.append(ty)
return ty
def network(self, name):
ty = NetworkType(name)
self._types.append(ty)
return ty
def neutral(self, name):
ty = NeutralType(name)
self._types.append(ty)
return ty
class FixedPacket(object):
__slots__ = ('fixed_struct')
def __init__(self, fixed_struct):
self.fixed_struct = fixed_struct
def dump(self, f):
self.fixed_struct.dump(f)
class VarPacket(object):
__slots__ = ('head_struct', 'repeat_struct')
def __init__(self, head_struct, repeat_struct):
self.head_struct = head_struct
self.repeat_struct = repeat_struct
def dump(self, f):
self.head_struct.dump(f)
self.repeat_struct.dump(f)
def packet(name,
fixed=None, fixed_size=None,
head=None, head_size=None,
repeat=None, repeat_size=None,
):
assert (fixed is None) <= (fixed_size is None)
assert (head is None) <= (head_size is None)
assert (repeat is None) <= (repeat_size is None)
if fixed is not None:
assert not head and not repeat
return FixedPacket(
StructType('%s_Fixed' % name, fixed, fixed_size))
else:
assert head and repeat
return VarPacket(
StructType('%s_Head' % name, head, head_size),
StructType('%s_Repeat' % name, repeat, repeat_size))
class Channel(object):
__slots__ = ('server', 'client', 'packets')
def __init__(self, server, client):
self.server = server
self.client = client
self.packets = []
def s(self, id, **kwargs):
name = 'SPacket0x%04x' % id
self.packets.append(packet(name, **kwargs))
def r(self, id, **kwargs):
name = 'RPacket0x%04x' % id
self.packets.append(packet(name, **kwargs))
def dump(self, outdir):
server = self.server
client = self.client
header = '%s-%s.hpp' % (server, client)
test = '%s-%s_test.cpp' % (server, client)
desc = 'TMWA network protocol: %s/%s' % (server, client)
with open(os.path.join(outdir, header), 'w') as f:
proto2 = relpath(outdir, 'src')
define = ('TMWA_%s_%s_%s_HPP' % (proto2, server, client)).upper()
f.write('#ifndef %s\n' % define)
f.write('#define %s\n' % define)
f.write(copyright.format(filename=header, description=desc))
f.write('\n')
f.write(generated)
f.write('\n')
f.write('# include "fwd.hpp"\n\n')
f.write('# include "types.hpp"\n')
f.write('\n')
if client == 'user':
f.write('// This is a public protocol, and changes require client cooperation\n')
else:
f.write('// This is an internal protocol, and can be changed without notice\n')
f.write('\n')
for p in self.packets:
p.dump(f)
f.write('\n')
f.write('#endif // %s\n' % define)
with open(os.path.join(outdir, test), 'w') as f:
poison = relpath('src/poison.hpp', outdir)
f.write('#include "%s"\n' % header)
f.write(copyright.format(filename=test, description=desc))
f.write('\n')
f.write(generated)
f.write('\n')
f.write('#include "{}"\n'.format(poison))
ident_translation = ''.join(chr(c) if chr(c).isalnum() else '_' for c in range(256))
def ident(s):
return s.translate(ident_translation)
def at(o, l, n):
return (o, l, ident(n))
class Context(object):
__slots__ = ('outdir', '_includes', '_channels', '_types')
def __init__(self, outdir):
self.outdir = outdir
self._includes = []
self._channels = []
self._types = []
def sysinclude(self, name):
rv = Include('<%s>' % name)
self._includes.append(rv)
return rv
def include(self, name):
rv = Include('"%s"' % relpath(name, self.outdir))
self._includes.append(rv)
return rv
def chan(self, server, client):
ch = Channel(server, client)
self._channels.append(ch)
return ch
def dump(self):
outdir = self.outdir
for g in glob.glob(os.path.join(outdir, '*.[ch]pp')):
os.remove(g)
proto2 = relpath(outdir, 'src')
with open(os.path.join(outdir, 'fwd.hpp'), 'w') as f:
header = '%s/fwd.hpp' % proto2
desc = 'Forward declarations of network packets'
sanity = relpath('src/sanity.hpp', outdir)
define = ('TMWA_%s_FWD_HPP' % proto2).upper()
f.write('#ifndef %s\n' % define)
f.write('#define %s\n' % define)
f.write(copyright.format(filename=header, description=desc))
f.write('\n')
f.write('# include "%s"\n\n' % sanity)
f.write('// TODO put stuff here\n')
f.write('\n')
f.write('#endif // %s\n' % define)
with open(os.path.join(outdir, 'types.hpp'), 'w') as f:
header = '%s/types.hpp' % proto2
desc = 'Forward declarations of packet component types'
define = ('TMWA_%s_TYPES_HPP' % proto2).upper()
f.write('#ifndef %s\n' % define)
f.write('#define %s\n' % define)
f.write(copyright.format(filename=header, description=desc))
f.write('\n')
f.write('# include "fwd.hpp"\n\n')
f.write('//TODO split the includes\n')
for inc in self._includes:
f.write(inc.pp(1))
# this is writing another file
inc.testcase(outdir)
f.write('template <class T>\n')
f.write('bool native_to_network(T *network, T native)\n{\n')
f.write(' *network = native;\n')
f.write(' return true;\n')
f.write('}\n')
f.write('template <class T>\n')
f.write('bool network_to_native(T *native, T network)\n{\n')
f.write(' *native = network;\n')
f.write(' return true;\n')
f.write('}\n')
f.write('template <size_t N>\n')
f.write('struct NetString\n{\n')
f.write(' char data[N];\n')
f.write('};\n')
f.write('template <size_t N>\n')
f.write('bool native_to_network(NetString<N> *network, VString<N-1> native)\n{\n')
f.write(' // basically WBUF_STRING\n')
f.write(' char *const begin = network->data;\n')
f.write(' char *const end = begin + N;\n')
f.write(' char *const mid = std::copy(native.begin(), native.end(), begin);\n')
f.write(' std::fill(mid, end, \'\\0\');\n')
f.write(' return true;\n')
f.write('}\n')
f.write('template <size_t N>\n')
f.write('bool network_to_native(VString<N-1> *native, NetString<N> network)\n{\n')
f.write(' // basically RBUF_STRING\n')
f.write(' const char *const begin = network.data;\n')
f.write(' const char *const end = begin + N;\n')
f.write(' const char *const mid = std::find(begin, end, \'\\0\');\n')
f.write(' *native = XString(begin, mid, nullptr);\n')
f.write(' return true;\n')
f.write('}\n')
f.write('\n')
for ty in self._types:
ty.dump(f)
f.write('#endif // %s\n' % define)
for ch in self._channels:
ch.dump(outdir)
# types
def provided(self, native, network):
# the whole point of 'provided' is to not be implemented
return ProvidedType(native, network)
def enum(self, native, under):
rv = EnumType(native, under)
self._types.append(rv)
return rv
def wrap(self, native, under):
rv = WrappedType(native, under)
self._types.append(rv)
return rv
def string(self, native):
rv = StringType(native)
self._types.append(rv)
return rv
def struct(self, name, body):
rv = StructType(name, body)
self._types.append(rv)
return rv
def partial_struct(self, native, body):
rv = PartialStructType(native, body)
self._types.append(rv)
return rv
def main():
# setup
ctx = Context(outdir='src/proto2/')
# headers
cstdint = ctx.sysinclude('cstdint')
endians_h = ctx.include('src/ints/little.hpp')
vstring_h = ctx.include('src/strings/vstring.hpp')
ip_h = ctx.include('src/net/ip.hpp')
enums_h = ctx.include('src/mmo/enums.hpp')
human_time_diff_h = ctx.include('src/mmo/human_time_diff.hpp')
ids_h = ctx.include('src/mmo/ids.hpp')
strs_h = ctx.include('src/mmo/strs.hpp')
utils_h = ctx.include('src/mmo/utils.hpp')
version_h = ctx.include('src/mmo/version.hpp')
# included types
uint8_t = cstdint.native('uint8_t')
uint16_t = cstdint.native('uint16_t')
uint32_t = cstdint.native('uint32_t')
uint64_t = cstdint.native('uint64_t')
Byte = endians_h.neutral('Byte')
Little16 = endians_h.network('Little16')
Little32 = endians_h.network('Little32')
Little64 = endians_h.network('Little64')
SEX = enums_h.native('SEX')
Species = ids_h.native('Species')
AccountId = ids_h.native('AccountId')
CharId = ids_h.native('CharId')
PartyId = ids_h.native('PartyId')
ItemNameId = ids_h.native('ItemNameId')
BlockId = ids_h.native('BlockId')
GmLevel = ids_h.native('GmLevel')
HumanTimeDiff = human_time_diff_h.native('HumanTimeDiff')
Version = version_h.native('Version')
ip4 = ip_h.neutral('IP4Address')
TimeT = utils_h.native('TimeT')
VString16 = vstring_h.native('VString<15>')
VString20 = vstring_h.native('VString<19>')
VString24 = vstring_h.native('VString<23>')
VString32 = vstring_h.native('VString<31>')
VString40 = vstring_h.native('VString<39>')
# not all of these are used on the network side of things
# should this set of numbers be +1'ed ?
timestamp_seconds_buffer = utils_h.native('timestamp_seconds_buffer')
timestamp_milliseconds_buffer = utils_h.native('timestamp_milliseconds_buffer')
AccountName = strs_h.native('AccountName')
AccountPass = strs_h.native('AccountPass')
#AccountCrypt = strs_h.native('AccountCrypt')
AccountEmail = strs_h.native('AccountEmail')
ServerName = strs_h.native('ServerName')
#PartyName = strs_h.native('PartyName')
VarName = strs_h.native('VarName')
#MobName = map_t_h.native('MobName')
#NpcName = map_t_h.native('NpcName')
#ScriptLabel = map_t_h.native('ScriptLabel')
#ItemName = map_t_h.native('ItemName')
#md5_native = md5_h.native('md5_native')
#SaltString = md5_h.native('SaltString')
# generated types
u8 = ctx.provided(uint8_t, Byte)
u16 = ctx.provided(uint16_t, Little16)
u32 = ctx.provided(uint32_t, Little32)
u64 = ctx.provided(uint64_t, Little64)
sex = ctx.enum(SEX, u8)
species = ctx.wrap(Species, u16)
account_id = ctx.wrap(AccountId, u32)
char_id = ctx.wrap(CharId, u32)
party_id = ctx.wrap(PartyId, u32)
item_name_id = ctx.wrap(ItemNameId, u16)
block_id = ctx.wrap(BlockId, u32)
time32 = ctx.provided(TimeT, Little32)
time64 = ctx.provided(TimeT, Little64)
gm1 = ctx.provided(GmLevel, Byte)
gm = ctx.provided(GmLevel, Little32)
str16 = ctx.string(VString16)
str20 = ctx.string(VString20)
str24 = ctx.string(VString24)
str32 = ctx.string(VString32)
str40 = ctx.string(VString40)
seconds = ctx.string(timestamp_seconds_buffer)
millis = ctx.string(timestamp_milliseconds_buffer)
account_name = ctx.string(AccountName)
account_pass = ctx.string(AccountPass)
#account_crypt = ctx.string(AccountCrypt)
account_email = ctx.string(AccountEmail)
server_name = ctx.string(ServerName)
#party_name = ctx.string(PartyName)
var_name = ctx.string(VarName)
#mob_name = ctx.string(MobName)
#npc_name = ctx.string(NpcName)
#script_label = ctx.string(ScriptLabel)
#item_name = ctx.string(ItemName)
#md5_string = ctx.string(md5_string)
#salt_string = ctx.string(SaltString)
# this will be *so* useful when I do the party copy!
human_time_diff = ctx.partial_struct(
HumanTimeDiff,
[
('year', u16),
('month', u16),
('day', u16),
('hour', u16),
('minute', u16),
('second', u16),
]
)
version = ctx.partial_struct(
Version,
[
('major', u8),
('minor', u8),
('patch', u8),
('devel', u8),
('flags', u8),
('which', u8),
('vend', u16),
]
)
# packets
login_char = ctx.chan('login', 'char')
login_admin = ctx.chan('login', 'admin')
login_bot = NotImplemented
login_user = ctx.chan('login', 'user')
char_map = ctx.chan('char', 'map')
char_admin = NotImplemented
char_bot = NotImplemented
char_user = ctx.chan('char', 'user')
map_admin = NotImplemented
map_bot = NotImplemented
map_user = ctx.chan('map', 'user')
any_user = ctx.chan('any', 'user')
# map user
map_user.s(0x0212,
fixed=[
at(0, u16, 'packet id'),
at(2, block_id, 'npc id'),
at(6, u16, 'command'),
at(8, block_id, 'id'),
at(12, u16, 'x'),
at(14, u16, 'y'),
],
fixed_size=16,
)
# login char
login_char.r(0x2709,
fixed=[
at(0, u16, 'packet id'),
],
fixed_size=2,
)
login_char.r(0x2712,
fixed=[
at(0, u16, 'packet id'),
at(2, u32, 'account id'),
at(6, u32, 'login id1'),
at(10, u32, 'login id2'),
at(14, sex, 'sex'),
at(15, ip4, 'ip'),
],
fixed_size=19,
)
login_char.s(0x2713,
fixed=[
at(0, u16, 'packet id'),
at(2, u32, 'account id'),
at(6, u8, 'invalid'),
at(7, account_email, 'email'),
at(47, time32, 'connect until'),
],
fixed_size=51,
)
login_char.r(0x2714,
fixed=[
at(0, u16, 'packet id'),
at(2, u32, 'users'),
],
fixed_size=6,
)
login_char.r(0x2715,
fixed=[
at(0, u16, 'packet id'),
at(2, u32, 'account id'),
at(6, account_email, 'email'),
],
fixed_size=46,
)
login_char.r(0x2716,
fixed=[
at(0, u16, 'packet id'),
at(2, u32, 'account id'),
],
fixed_size=6,
)
login_char.s(0x2717,
fixed=[
at(0, u16, 'packet id'),
at(2, u32, 'account id'),
at(6, account_email, 'email'),
at(46, time32, 'connect until'),
],
fixed_size=50,
)
login_char.r(0x2720,
head=[
at(0, u16, 'packet id'),
at(2, u16, 'packet length'),
at(4, u32, 'account id'),
],
head_size=8,
repeat=[at(0, u8, 'c')],
repeat_size=1,
)
login_char.s(0x2721,
fixed=[
at(0, u16, 'packet id'),
at(2, u32, 'account id'),
at(6, gm, 'gm level'),
],
fixed_size=10,
)
login_char.r(0x2722,
fixed=[
at(0, u16, 'packet id'),
at(2, u32, 'account id'),
at(6, account_email, 'old email'),
at(46, account_email, 'new email'),
],
fixed_size=86,
)
login_char.s(0x2723,
fixed=[
at(0, u16, 'packet id'),
at(2, u32, 'account id'),
at(6, sex, 'sex'),
],
fixed_size=7,
)
login_char.r(0x2724,
fixed=[
at(0, u16, 'packet id'),
at(2, u32, 'account id'),
at(6, u32, 'status'),
],
fixed_size=10,
)
login_char.r(0x2725,
head=[
at(0, u16, 'packet id'),
at(2, u32, 'account id'),
at(6, human_time_diff, 'deltas'),
],
head_size=18,
repeat=[at(0, u8, 'c')],
repeat_size=1,
)
# evil packet, see also 0x794e
login_admin.r(0x2726,
head=[
at(0, u16, 'packet id'),
at(2, u16, 'unused'),
at(4, u32, 'string length'),
],
head_size=8,
repeat=[
at(0, u8, 'c'),
],
repeat_size=1,
)
login_char.r(0x2727,
fixed=[
at(0, u16, 'packet id'),
at(2, u32, 'account id'),
],
fixed_size=6,
)
for (id, cat) in [
(0x2728, login_char.r),
(0x2729, login_char.s),
]:
cat(id,
head=[
at(0, u16, 'packet id'),
at(2, u16, 'packet length'),
at(4, u32, 'account id'),
],
head_size=8,
repeat=[
at(0, var_name, 'name'),
at(32, u32, 'value'),
],
repeat_size=36,
)
login_char.r(0x272a,
fixed=[
at(0, u16, 'packet id'),
at(2, u32, 'account id'),
],
fixed_size=6,
)
login_char.s(0x2730,
fixed=[
at(0, u16, 'packet id'),
],
fixed_size=2,
)
login_char.s(0x2731,
fixed=[
at(0, u16, 'packet id'),
at(2, u32, 'account id'),
at(6, u8, 'ban not status'),
at(7, time32, 'status or ban until'),
],
fixed_size=11,
)
login_char.s(0x2732,
head=[
at(0, u16, 'packet id'),
at(2, u16, 'packet length'),
],
head_size=4,
repeat=[
at(0, u32, 'account id'),
at(4, gm1, 'gm level'),
],
repeat_size=5,
)
login_char.r(0x2740,
fixed=[
at(0, u16, 'packet id'),
at(2, u32, 'account id'),
at(6, account_pass, 'old pass'),
at(30, account_pass, 'new pass'),
],
fixed_size=54,
)
login_char.s(0x2741,
fixed=[
at(0, u16, 'packet id'),
at(2, u32, 'account id'),
at(6, u8, 'status'),
],
fixed_size=7,
)
# any client
any_user.r(0x7530,
fixed=[
at(0, u16, 'packet id'),
],
fixed_size=2,
)
any_user.s(0x7531,
fixed=[
at(0, u16, 'packet id'),
at(2, version, 'version'),
],
fixed_size=10,
)
any_user.r(0x7532,
fixed=[
at(0, u16, 'packet id'),
],
fixed_size=2,
)
# login admin
login_admin.r(0x7920,
head=[
at(0, u16, 'packet id'),
at(2, u32, 'start account id'),
at(6, u32, 'end account id'),
],
head_size=10,
repeat=[at(0, u8, 'c')],
repeat_size=1,
)
login_admin.s(0x7921,
head=[
at(0, u16, 'packet id'),
at(2, u16, 'packet length'),
],
head_size=4,
repeat=[
at(0, u32, 'account id'),
at(4, gm1, 'gm level'),
at(5, account_name, 'account name'),
at(29, sex, 'sex'),
at(30, u32, 'login count'),
at(34, u32, 'status'),
],
repeat_size=38,
)
login_admin.r(0x7924,
fixed=[
at(0, u16, 'packet id'),
at(2, u32, 'source item id'),
at(6, u32, 'dest item id'),
],
fixed_size=10,
)
login_admin.s(0x7925,
fixed=[
at(0, u16, 'packet id'),
],
fixed_size=2,
)
login_admin.r(0x7930,
fixed=[
at(0, u16, 'packet id'),
at(2, account_name, 'account name'),
at(26, account_pass, 'password'),
at(50, sex, 'sex'),
at(51, account_email, 'email'),
],
fixed_size=91,
)
login_admin.s(0x7931,
fixed=[
at(0, u16, 'packet id'),
at(2, u32, 'account id'),
at(6, account_name, 'account name'),
],
fixed_size=30,
)
login_admin.r(0x7932,
fixed=[
at(0, u16, 'packet id'),
at(2, account_name, 'account name'),
],
fixed_size=26,
)
login_admin.s(0x7933,
fixed=[
at(0, u16, 'packet id'),
at(2, u32, 'account id'),
at(6, account_name, 'account name'),
],
fixed_size=30,
)
login_admin.r(0x7934,
fixed=[
at(0, u16, 'packet id'),
at(2, account_name, 'account name'),
at(26, account_pass, 'password'),
],
fixed_size=50,
)
login_admin.s(0x7935,
fixed=[
at(0, u16, 'packet id'),
at(2, u32, 'account id'),
at(6, account_name, 'account name'),
],
fixed_size=30,
)
login_admin.r(0x7936,
fixed=[
at(0, u16, 'packet id'),
at(2, account_name, 'account name'),
at(26, u32, 'status'),
at(30, seconds, 'error message'),
],
fixed_size=50,
)
login_admin.s(0x7937,
fixed=[
at(0, u16, 'packet id'),
at(2, u32, 'account id'),
at(6, account_name, 'account name'),
],
fixed_size=30,
)
login_admin.r(0x7938,
fixed=[
at(0, u16, 'packet id'),
],
fixed_size=2,
)
login_admin.s(0x7939,
head=[
at(0, u16, 'packet id'),
at(2, u16, 'packet length'),
],
head_size=4,
repeat=[
at(0, ip4, 'ip'),
at(4, u16, 'port'),
at(6, server_name, 'name'),
at(26, u16, 'users'),
at(28, u16, 'maintenance'),
at(30, u16, 'is_new'),
],
repeat_size=32,
)
login_admin.r(0x793a,
fixed=[
at(0, u16, 'packet id'),
at(2, account_name, 'account name'),
at(26, account_pass, 'password'),
],
fixed_size=50,
)
login_admin.s(0x793b,
fixed=[
at(0, u16, 'packet id'),
at(2, u32, 'account id'),
at(6, account_name, 'account name'),
],
fixed_size=30,
)
login_admin.r(0x793c,
fixed=[
at(0, u16, 'packet id'),
at(2, account_name, 'account name'),
at(26, sex, 'sex'),
],
fixed_size=27,
)
login_admin.s(0x793d,
fixed=[
at(0, u16, 'packet id'),
at(2, u32, 'account id'),
at(6, account_name, 'account name'),
],
fixed_size=30,
)
login_admin.r(0x793e,
fixed=[
at(0, u16, 'packet id'),
at(2, account_name, 'account name'),
at(26, gm1, 'gm level'),
],
fixed_size=27,
)
login_admin.s(0x793f,
fixed=[
at(0, u16, 'packet id'),
at(2, u32, 'account id'),
at(6, account_name, 'account name'),
],
fixed_size=30,
)
login_admin.r(0x7940,
fixed=[
at(0, u16, 'packet id'),
at(2, account_name, 'account name'),
at(26, account_email, 'email'),
],
fixed_size=66,
)
login_admin.s(0x7941,
fixed=[
at(0, u16, 'packet id'),
at(2, u32, 'account id'),
at(6, account_name, 'account name'),
],
fixed_size=30,
)
# this packet is insane
login_admin.r(0x7942,
head=[
at(0, u16, 'packet id'),
at(2, account_name, 'account name'),
at(26, u16, 'string length'),
],
head_size=28,
repeat=[
at(0, u8, 'c'),
],
repeat_size=1,
)
login_admin.s(0x7943,
fixed=[
at(0, u16, 'packet id'),
at(2, u32, 'account id'),
at(6, account_name, 'account name'),
],
fixed_size=30,
)
login_admin.r(0x7944,
fixed=[
at(0, u16, 'packet id'),
at(2, account_name, 'account name'),
],
fixed_size=26,
)
login_admin.s(0x7945,
fixed=[
at(0, u16, 'packet id'),
at(2, u32, 'account id'),
at(6, account_name, 'account name'),
],
fixed_size=30,
)
login_admin.r(0x7946,
fixed=[
at(0, u16, 'packet id'),
at(2, u32, 'account id'),
],
fixed_size=6,
)
login_admin.s(0x7947,
fixed=[
at(0, u16, 'packet id'),
at(2, u32, 'account id'),
at(6, account_name, 'account name'),
],
fixed_size=30,
)
login_admin.r(0x7948,
fixed=[
at(0, u16, 'packet id'),
at(2, account_name, 'account name'),
at(26, time32, 'valid until'),
],
fixed_size=30,
)
login_admin.s(0x7949,
fixed=[
at(0, u16, 'packet id'),
at(2, u32, 'account id'),
at(6, account_name, 'account name'),
at(30, time32, 'valid until'),
],
fixed_size=34,
)
login_admin.r(0x794a,
fixed=[
at(0, u16, 'packet id'),
at(2, account_name, 'account name'),
at(26, time32, 'ban until'),
],
fixed_size=30,
)
login_admin.s(0x794b,
fixed=[
at(0, u16, 'packet id'),
at(2, u32, 'account id'),
at(6, account_name, 'account name'),
at(30, time32, 'ban until'),
],
fixed_size=34,
)
login_admin.r(0x794c,
fixed=[
at(0, u16, 'packet id'),
at(2, account_name, 'account name'),
at(26, human_time_diff, 'ban add'),
],
fixed_size=38,
)
login_admin.s(0x794d,
fixed=[
at(0, u16, 'packet id'),
at(2, u32, 'account id'),
at(6, account_name, 'account name'),
at(30, time32, 'ban until'),
],
fixed_size=34,
)
# evil packet (see also 0x2726)
login_admin.r(0x794e,
head=[
at(0, u16, 'packet id'),
at(2, u16, 'unused'),
at(4, u32, 'string length'),
],
head_size=8,
repeat=[
at(0, u8, 'c'),
],
repeat_size=1,
)
login_admin.s(0x794f,
fixed=[
at(0, u16, 'packet id'),
at(2, u16, 'error'),
],
fixed_size=4,
)
login_admin.r(0x7950,
fixed=[
at(0, u16, 'packet id'),
at(2, account_name, 'account name'),
at(26, human_time_diff, 'valid add'),
],
fixed_size=38,
)
login_admin.s(0x7951,
fixed=[
at(0, u16, 'packet id'),
at(2, u32, 'account id'),
at(6, account_name, 'account name'),
at(30, time32, 'valid until'),
],
fixed_size=34,
)
login_admin.r(0x7952,
fixed=[
at(0, u16, 'packet id'),
at(2, account_name, 'account name'),
],
fixed_size=26,
)
# this packet is insane
login_admin.s(0x7953,
head=[
at(0, u16, 'packet id'),
at(2, u32, 'account id'),
at(6, gm1, 'gm level'),
at(7, account_name, 'account name'),
at(31, sex, 'id'),
at(32, u32, 'login count'),
at(36, u32, 'state'),
at(40, seconds, 'error message'),
at(60, millis, 'last login string'),
at(84, str16, 'ip string'),
at(100, account_email, 'email'),
at(140, time32, 'connect until'),
at(144, time32, 'ban until'),
at(148, u16, 'string length'),
],
head_size=150,
repeat=[
at(0, u8, 'c'),
],
repeat_size=1,
)
login_admin.r(0x7954,
fixed=[
at(0, u16, 'packet id'),
at(2, u32, 'account id'),
],
fixed_size=6,
)
login_admin.r(0x7955,
fixed=[
at(0, u16, 'packet id'),
],
fixed_size=2,
)
# teardown
ctx.dump()
if __name__ == '__main__':
main()