import dcerpc def sid_to_string(sid): """Convert a Python dictionary SID to a string SID.""" result = 'S-%d' % sid.sid_rev_num result = result + '-%u' % \ (dcerpc.uint8_array_getitem(sid.id_auth, 5) + (dcerpc.uint8_array_getitem(sid.id_auth, 4) << 8) + (dcerpc.uint8_array_getitem(sid.id_auth, 3) << 16) + (dcerpc.uint8_array_getitem(sid.id_auth, 2) << 24)) for i in range(0, sid.num_auths): result = result + '-%u' % \ dcerpc.uint32_array_getitem(sid.sub_auths, i) return result def string_to_sid(string): """Convert a string SID to a Python dictionary SID. Throws a ValueError if the SID string was badly formed.""" if string[0] != 'S': raise ValueError('Bad SID format') string = string[1:] import re match = re.match('-\d+', string) if not match: raise ValueError('Bad SID format') try: sid_rev_num = int(string[match.start()+1:match.end()]) except ValueError: raise ValueError('Bad SID format') string = string[match.end():] match = re.match('-\d+', string) if not match: raise ValueError('Bad SID format') try: ia = int(string[match.start()+1:match.end()]) except ValueError: raise ValueError('Bad SID format') string = string[match.end():] id_auth = [0, 0, (ia >> 24) & 0xff, (ia >> 16) & 0xff, (ia >> 8) & 0xff, ia & 0xff] num_auths = 0 sub_auths = [] while len(string): match = re.match('-\d+', string) if not match: raise ValueError('Bad SID format') try: sa = int(string[match.start() + 1 : match.end()]) except ValueError: raise ValueError('Bad SID format') num_auths = num_auths + 1 sub_auths.append(int(sa)) string = string[match.end():] sid = dcerpc.dom_sid() sid.sid_rev_num = sid_rev_num sid.id_auth = dcerpc.new_uint8_array(6) for i in range(6): dcerpc.uint8_array_setitem(sid.id_auth, i, id_auth[i]) sid.num_auths = num_auths sid.sub_auths = dcerpc.new_uint32_array(num_auths) for i in range(num_auths): dcerpc.uint32_array_setitem(sid.sub_auths, i, sub_auths[i]) return sid class SamrHandle: def __init__(self, pipe, handle): self.pipe = pipe self.handle = handle def __del__(self): if self.handle is not None: self.Close() def Close(self): r = dcerpc.samr_Close() r.data_in.handle = self.handle dcerpc.dcerpc_samr_Close(self.pipe, r) self.handle = None def QuerySecurity(self, sec_info = 7): r = dcerpc.samr_QuerySecurity() r.data_in.handle = self.handle r.data_in.sec_info = sec_info result = dcerpc.dcerpc_samr_QuerySecurity(self.pipe, r) return r.data_out.sdbuf def SetSecurity(self, sdbuf, sec_info = 7): r = dcerpc.samr_SetSecurity() r.data_in.handle = self.handle r.data_in.sec_info = sec_info r.data_in.sdbuf = sdbuf result = dcerpc.dcerpc_samr_SetSecurity(self.pipe, r) class ConnectHandle(SamrHandle): def EnumDomains(self): r = dcerpc.samr_EnumDomains() r.data_in.connect_handle = self.handle r.data_in.resume_handle = 1 r.data_in.buf_size = -1 domains = [] while 1: result = dcerpc.dcerpc_samr_EnumDomains(self.pipe, r) for i in range(r.data_out.sam.count): domains.append(dcerpc.samr_SamEntry_array_getitem( r.data_out.sam.entries, i).name.string) # TODO: Handle more entries here break return domains def LookupDomain(self, domain_name): r = dcerpc.samr_LookupDomain() r.data_in.connect_handle = self.handle r.data_in.domain = dcerpc.samr_String() r.data_in.domain.string = domain_name result = dcerpc.dcerpc_samr_LookupDomain(self.pipe, r) return sid_to_string(r.data_out.sid); def OpenDomain(self, domain_sid, access_mask = 0x02000000): r = dcerpc.samr_OpenDomain() r.data_in.connect_handle = self.handle r.data_in.access_mask = access_mask r.data_in.sid = string_to_sid(domain_sid) result = dcerpc.dcerpc_samr_OpenDomain(self.pipe, r) return DomainHandle(self.pipe, r.data_out.domain_handle) def Shutdown(self): r = dcerpc.samr_Shutdown() r.data_in.connect_handle = self.handle result = dcerpc.dcerpc_samr_Shutdown(self.pipe, r) class DomainHandle(SamrHandle): def QueryDomainInfo(self, level = 2): r = dcerpc.samr_QueryDomainInfo() r.data_in.domain_handle = self.handle r.data_in.level = level result = dcerpc.dcerpc_samr_QueryDomainInfo(self.pipe, r) return getattr(r.data_out.info, 'info%d' % level) def QueryDomainInfo2(self, level = 2): r = dcerpc.samr_QueryDomainInfo2() r.data_in.domain_handle = self.handle r.data_in.level = level result = dcerpc.dcerpc_samr_QueryDomainInfo2(self.pipe, r) return getattr(r.data_out.info, 'info%d' % level) def EnumDomainGroups(self): r = dcerpc.samr_EnumDomainGroups() r.data_in.domain_handle = self.handle r.data_in.resume_handle = 0 r.data_in.max_size = 1000 result = dcerpc.dcerpc_samr_EnumDomainGroups(self.pipe, r) groups = [] if r.data_out.sam.entries: for i in range(r.data_out.sam.count): groups.append(dcerpc.samr_SamEntry_array_getitem( r.data_out.sam.entries, i).name.string) return groups def EnumDomainAliases(self): r = dcerpc.samr_EnumDomainAliases() r.data_in.domain_handle = self.handle r.data_in.resume_handle = 0 # acct_flags in SamrEnumerateAliasesInDomain has probably # no meaning so use 0xffffffff like W2K r.data_in.acct_flags = 0xffffffffL result = dcerpc.dcerpc_samr_EnumDomainAliases(self.pipe, r) aliases = [] if r.data_out.sam.entries: for i in range(r.data_out.sam.count): aliases.append(dcerpc.samr_SamEntry_array_getitem( r.data_out.sam.entries, i).name.string) return aliases def EnumDomainUsers(self, user_account_flags = 16): r = dcerpc.samr_EnumDomainUsers() r.data_in.domain_handle = self.handle r.data_in.resume_handle = 0 r.data_in.acct_flags = user_account_flags r.data_in.max_size = 1000 result = dcerpc.dcerpc_samr_EnumDomainUsers(self.pipe, r) users = [] if r.data_out.sam.entries: for i in range(r.data_out.sam.count): users.append(dcerpc.samr_SamEntry_array_getitem( r.data_out.sam.entries, i).name.string) return users def CreateUser(self, account_name, access_mask = 0x02000000): r = dcerpc.samr_CreateUser() r.data_in.domain_handle = self.handle r.data_in.account_name = dcerpc.samr_String() r.data_in.account_name.string = account_name r.data_in.access_mask = access_mask result = dcerpc.dcerpc_samr_CreateUser(self.pipe, r) return (r.data_out.user_handle, dcerpc.uint32_array_getitem(r.data_out.rid, 0)) def OpenUser(self, rid, access_mask = 0x02000000): r = dcerpc.samr_OpenUser() r.data_in.domain_handle = self.handle r.data_in.access_mask = access_mask r.data_in.rid = rid result = dcerpc.dcerpc_samr_OpenUser(self.pipe, r) return UserHandle(pipe, r.data_out.user_handle) def OpenGroup(self, rid, access_mask = 0x02000000): r = dcerpc.samr_OpenGroup() r.data_in.domain_handle = self.handle r.data_in.access_mask = access_mask r.data_in.rid = rid result = dcerpc.dcerpc_samr_OpenGroup(self.pipe, r) return GroupHandle(pipe, r.data_out.group_handle) def OpenAlias(self, rid, access_mask = 0x02000000): r = dcerpc.samr_OpenAlias() r.data_in.domain_handle = self.handle r.data_in.access_mask = access_mask r.data_in.rid = rid result = dcerpc.dcerpc_samr_OpenAlias(self.pipe, r) return AliasHandle(pipe, r.data_out.group_handle) def RidToSid(self, rid): r = dcerpc.samr_RidToSid() r.data_in.domain_handle = self.handle result = dcerpc.dcerpc_samr_RidToSid(self.pipe, r) return sid_to_string(r.data_out.sid) class UserHandle(SamrHandle): pass class GroupHandle(SamrHandle): pass class AliasHandle(SamrHandle): pass def Connect(pipe, access_mask = 0x02000000): r = dcerpc.samr_Connect() r.data_in.system_name = dcerpc.new_uint16_array(1) dcerpc.uint16_array_setitem(r.data_in.system_name, 0, ord('\\')) r.data_in.access_mask = access_mask result = dcerpc.dcerpc_samr_Connect(pipe, r) return ConnectHandle(pipe, r.data_out.connect_handle) def Connect2(pipe, system_name = '', access_mask = 0x02000000): """Connect to the SAMR pipe.""" r = dcerpc.samr_Connect2() r.data_in.system_name = system_name r.data_in.access_mask = access_mask result = dcerpc.dcerpc_samr_Connect2(pipe, r) return ConnectHandle(pipe, r.data_out.connect_handle) def Connect3(pipe, system_name = '', access_mask = 0x02000000): r = dcerpc.samr_Connect3() r.data_in.system_name = system_name r.data_in.unknown = 0 r.data_in.access_mask = access_mask result = dcerpc.dcerpc_samr_Connect3(pipe, r) return ConnectHandle(pipe, r.data_out.connect_handle) def Connect4(pipe, system_name = '', access_mask = 0x02000000): r = dcerpc.samr_Connect4() r.data_in.system_name = system_name r.data_in.unknown = 0 r.data_in.access_mask = access_mask result = dcerpc.dcerpc_samr_Connect4(pipe, r) return ConnectHandle(pipe, r.data_out.connect_handle) def Connect5(pipe, system_name = '', access_mask = 0x02000000): r = dcerpc.samr_Connect5() r.data_in.system_name = system_name r.data_in.access_mask = access_mask r.data_in.level = 1 r.data_in.info = dcerpc.new_samr_ConnectInfo_array(1) r.data_in.info.unknown1 = 0 r.data_in.info.unknown2 = 0 result = dcerpc.dcerpc_samr_Connect5(pipe, r) return ConnectHandle(pipe, r.data_out.connect_handle) # CreateDomainGroup # CreateDomAlias # GetAliasMembership # LookupNames # QueryGroupInfo # SetGroupInfo # AddGroupMember # DeleteDomainGroup # DeleteGroupMember # QueryGroupMember # SetMemberAttributesofGroup # QueryAliasInfo # SetAliasInfo # DeleteDomAlias # AddAliasMember # DeleteAliasMember # GetMembersinAlias # DeleteUser # QueryUserInfo # SetUserInfo # ChangePasswordUser # GetGroupsForUser # QueryDisplayInfo # GetDisplayEnumerationIndex # TestPrivateFunctionsDomain # TestPrivateFunctionsUser # GetUserPwInfo # RemoveMemberFromForeignDomain # QueryDomainInfo2 # QueryUserInfo2 # QueryDisplayInfo2 # GetDisplayEnumerationIndex2 # CreateUser2 # QueryDisplayInfo3 # AddMultipleMembersToAlias # RemoveMultipleMembersFromAlias # OemChangePasswordUser2 # ChangePasswordUser2 # GetDomPwInfo # SetUserInfo2 # SetBootKeyInformation # GetBootKeyInformation # ChangePasswordUser3 # SetDsrmPassword # ValidatePassword