\eFTdZddlZddlZddlZddlZddlmZddlZddlm Z ddl Z ddl m Z ejeZdaddZddZdZd Zd Zd Zej.fd Zd ZdZdZdZdZdZdZdZ dZ!dZ"dZ#dZ$GddejJZ&ddZ' ddZ(y) z1 Network-related utilities and helper functions. N)parse) INET_PTON)_c|sy|ddk(r5|ddjd\}}|}d|vr|jdd}n0|}n-|jddk(r|jd\}}n|}|}||dfSt|fS)aInterpret a string as a host:port pair. An IPv6 address MUST be escaped if accompanied by a port, because otherwise ambiguity ensues: 2001:db8:85a3::8a2e:370:7334 means both [2001:db8:85a3::8a2e:370:7334] and [2001:db8:85a3::8a2e:370]:7334. >>> parse_host_port('server01:80') ('server01', 80) >>> parse_host_port('server01') ('server01', None) >>> parse_host_port('server01', default_port=1234) ('server01', 1234) >>> parse_host_port('[::1]:80') ('::1', 80) >>> parse_host_port('[::1]') ('::1', None) >>> parse_host_port('[::1]', default_port=1234) ('::1', 1234) >>> parse_host_port('2001:db8:85a3::8a2e:370:7334', default_port=1234) ('2001:db8:85a3::8a2e:370:7334', 1234) >>> parse_host_port(None) (None, None) )NNr[N]:)splitcountint)address default_port_host_porthostports 5/usr/lib/python3/dist-packages/oslo_utils/netutils.pyparse_host_portr%s2 qzSqr{((- u %<;;s#A&DD ==  " s+JD$DD $,$ 66CI 66c@|"|rtnd} tj||S tj|trytj|rtj dyy#tj$rYywxYw#tj$rYywxYw)aRVerify that address represents a valid IPv4 address. :param address: Value to verify :type address: string :param strict: flag allowing users to restrict validation to IP addresses in presentation format (``a.b.c.d``) as opposed to address format (``a.b.c.d``, ``a.b.c``, ``a.b``, ``a``). :type flags: bool :returns: bool .. versionadded:: 1.1 .. versionchanged:: 4.8.0 Allow to restrict validation to IP addresses in presentation format (``a.b.c.d``) as opposed to address format (``a.b.c.d``, ``a.b.c``, ``a.b``, ``a``). r)flagsFTzqConverting in non strict mode is deprecated. You should pass strict=False if you want to preserve legacy behavior)rnetaddr valid_ipv4AddrFormatErrorLOGwarning)rstrictflags r is_valid_ipv4r Us""y %%gT: :    gY 7!!'* /0&&    " "s(A.B*B.BBBBc.|sy|jdd}|d}t|dkDr|dnd}|t|dkst|dkDry tj|tjj S#tj $rYywxYw)zVerify that address represents a valid IPv6 address. :param address: Value to verify :type address: string :returns: bool .. versionadded:: 1.1 F%rrN)rsplitlenr valid_ipv6corerr)rpartsscopes r is_valid_ipv6r*~s  NN3 "EAhGE QE!HDE c%j1nE R!!'7<<+A+ABB  " "s-A>>BBc tj||j d}t |dks|ddk(ryy#ttjf$rYywxYw)zVerify that address represents a valid CIDR address. :param address: Value to verify :type address: string :returns: bool .. versionadded:: 3.8 F/rT)r IPNetwork TypeErrorrr r%)r ip_segments r is_valid_cidrr1sb'" s#J J1 qMR   w.. /sAAAc tj|djy#ttjf$rYywxYw)zVerify that address represents a valid IPv6 CIDR address. :param address: address to verify :type address: string :returns: true if address is valid, false otherwise .. versionadded:: 3.17 )versionTF)rr.cidrr/rrs ris_valid_ipv6_cidrr7s='1-22 w.. /s!$AAct|rtd}t| tt j |j }t j|}t j|j|zdz S#ttjf$rttd||dzt$rttd|zwxYw)anCalculate IPv6 address using EUI-64 specification. This method calculates the IPv6 address using the EUI-64 addressing scheme as explained in rfc2373. :param prefix: IPv6 prefix. :param mac: IEEE 802 48-bit MAC address. :returns: IPv6 address on success. :raises ValueError, TypeError: For any invalid input. .. versionadded:: 1.4 z6Unable to generate IP address by EUI64 for IPv4 prefixlzTBad prefix or mac format for generating IPv6 address by EUI-64: %(prefix)s, %(mac)s:)prefixmacz9Bad prefix type for generating IPv6 address by EUI-64: %s) r r ValueErrorr rEUIeui64r. IPAddressfirstrr/)r9r:msgr=s rget_ipv6_addr_by_EUI64rAsVHIo 2GKK$**,-""6*  !5!ABB // 0;EF&,S9:; ; 2'(*012 22s A%B ACc`tjt|dzdz |dzzdz |S)aaExtract MAC address from interface identifier based IPv6 address. For example from link-local addresses (fe80::/10) generated from MAC. :param ipv6: An interface identifier (i.e. mostly MAC) based IPv6 address as a netaddr.IPAddress() object. :param dialect: The netaddr dialect of the the object returned. Defaults to netaddr.mac_unix_expanded. :returns: A MAC address as a netaddr.EUI() object. See also: * https://tools.ietf.org/html/rfc4291#appendix-A * https://tools.ietf.org/html/rfc4291#section-2.5.6 .. versionadded:: 4.3.0 l|il)dialect)rr<r )ipv6rDs rget_mac_addr_by_ipv6rFsH" ;;s + + 2         rctad}tjj|r>t |d5}|j j }ddddk(atSdatS#1swYxYw)aCheck if IPv6 support is enabled on the platform. This api will look into the proc entries of the platform to figure out the status of IPv6 support on the platform. :returns: True if the platform has IPv6 support, False otherwise. .. versionadded:: 1.4 Nz,/proc/sys/net/ipv6/conf/default/disable_ipv6r0F)_IS_IPV6_ENABLEDospathexistsopenreadstrip)disabled_ipv6_pathfdisableds ris_ipv6_enabledrTsuK 77>>, -(#. ,!668>>+ ,'3   %    , ,s A..A7c&t|rd|zS|S)zEscape an IP address in square brackets if IPv6 :param address: address to optionaly escape :type address: string :returns: string .. versionadded:: 3.29.0 z[%s])r*r6s r escape_ipv6rVsW Nrc2t|xs t|S)zVerify that address represents a valid IP address. :param address: Value to verify :type address: string :returns: bool .. versionadded:: 1.1 )r r*r6s r is_valid_iprX!s  ! ;]7%;;rcrd}t|txr$tj||j S)aVerify the format of a MAC address. Check if a MAC address is valid and contains six octets. Accepts colon-separated format only. :param address: MAC address to be validated. :returns: True if valid. False if not. .. versionadded:: 3.17 z[0-9a-f]{2}(:[0-9a-f]{2}){5}$) isinstancestrrematchlower)rms r is_valid_macr`-s, (A gs # DGMMO(DDrcd t|}||cxkxr|kScS#ttf$rYywxYw)zTry to convert value to int and check if it lies within range 'start' to 'end'. :param value: value to verify :param start: start number of range :param end: end number of range :returns: bool F)r r;r/)valuestartendvals r_is_int_in_rangerf<sA%j S C     "s //ct|ddS)zVerify that port represents a valid port number. Port can be valid integer having a value of 0 up to and including 65535. .. versionadded:: 1.1.1 rirf)rs r is_valid_portriLs D!U ++rct|ddS)zVerify if ICMP type is valid. :param type: ICMP *type* field can only be a valid integer :returns: bool ICMP *type* field can be valid integer having a value of 0 up to and including 255. rrh)types ris_valid_icmp_typermWs D!S ))rc"|yt|ddS)zVerify if ICMP code is valid. :param code: ICMP *code* field can be valid integer or None :returns: bool ICMP *code* field can be either None or valid integer having a value of 0 up to and including 255. Trrkrh)codes ris_valid_icmp_coderpcs | D!S ))rc tjtjtj}|jd|j \}}|j |S#tj $r tcYSwxYw)aReturns the actual ipv4 of the local machine. This code figures out what source address would be used if some traffic were to be sent out to some well known address on the Internet. In this case, IP from RFC5737 is used, but the specific address does not matter much. No traffic is actually sent. .. versionadded:: 1.1 .. versionchanged:: 1.2.1 Return ``'127.0.0.1'`` if there is no default interface. )z 192.0.2.0P)socketAF_INET SOCK_DGRAMconnect getsocknamecloseerror_get_my_ipv4_address)csockaddrrs r get_my_ipv4r}qsj& fnnf.?.?@ '(((* t  <<&#%%&sA'A**B  B cd}tj} |dtjd} tj|tjddS#ttf$rt j d|cYSwxYw#ttf$rt j d|Y|St$r$}t j d||d Yd }~|Sd }~wwxYw) zFigure out the best ipv4 z 127.0.0.1defaultrzOCould not determine default network interface, using 127.0.0.1 for IPv4 addressrr|zBCould not determine IPv4 address for interface %s, using 127.0.0.1zGCould not determine IPv4 address for interface %(interface)s: %(error)s interfaceryN) netifacesgatewaysrtKeyError IndexErrorrinfo ifaddresses Exception LOCALHOSTgtwres rrzrzsI    C N9#4#45a8 7$$Y/ 0A0AB1EfMM j ! 4 5 j ! #   7 6(15 7 7  7s.A+B &BB %C2C:CCc tjtjtj}|jd|j \}}}}|j |S#tj $r tcYSwxYw)aReturns the actual IPv6 address of the local machine. This code figures out what source address would be used if some traffic were to be sent out to some well known address on the Internet. In this case, IPv6 from RFC3849 is used, but the specific address does not matter much. No traffic is actually sent. .. versionadded:: 6.1 Return ``'::1'`` if there is no default interface. )z 2001:db8::1rr)rsAF_INET6rurvrwrxry_get_my_ipv6_address)r{r|rs r get_my_ipv6rsn& foov/@/@A )*++-q!Q  <<&#%%&sA)A,,B  B cd}tj} |dtjd} tj|tjddS#ttf$rt j d||cYSwxYw#ttf$rt j d||dY|St$r$}t j d ||d Yd }~|Sd }~wwxYw) z%Figure out the best IPv6 address z::1rrzHCould not determine default network interface, using %s for IPv6 addressrr|zOCould not determine IPv6 address for interface %(interface)s, using %(address)s)rrzGCould not determine IPv6 address for interface %(interface)s: %(error)srN) rrrrrrrrrrs rrrsI    C N9#5#56q9 7$$Y/ 0B0BCAFvNN j ! -.7 9 j !A 4(Y? A  7 6(15 7 7  7s.A+B 'BB (C"6C">CC"ceZdZdZddZy)_ModifiedSplitResultz!Split results class for urlsplit.c@|jr|r(ttj|jSi}tj|jD]A\}}||vr3t ||t r||j |2|||g||<=|||<C|SiS)aExtracts the query parameters from the split urls components. This method will provide back as a dictionary the query parameter names and values that were provided in the url. :param collapse: Boolean, turn on or off collapsing of query values with the same name. Since a url can contain the same query parameter name with different values it may or may not be useful for users to care that this has happened. This parameter when True uses the last value that was given for a given name, while if False it will retain all values provided by associating the query parameter name with a list of values instead of a single (non-list) value. )querydictr parse_qslrZlistappend)selfcollapseparamskeyrbs rrz_ModifiedSplitResult.paramss ::EOODJJ788$)OODJJ$?,LS%f}%fSk48"3K..u5+1#;*>F3K&+s , IrN)T)__name__ __module__ __qualname____doc__rrrrrs +rrctj|||\}}}}}|rd|vr|jdd\}}d|vr|jdd\}}t|||||S)zParse a URL using urlparse.urlsplit(), splitting query and fragments. This function papers over Python issue9374_ when needed. .. _issue9374: http://bugs.python.org/issue9374 The parameters are the same as urlparse.urlsplit. #r?)rurlsplitr r)urlschemeallow_fragmentsnetlocrLrfragments rrrst-2NN V_-&)FFD%3$;C+h d{jja( e  $eX 77rct|tr0|jtjtj |n t d|sy|Uttdr0|jtjtj|ntjd|Uttdr0|jtjtj|ntjd|Vttdr0|jtjtj|ytjdyy) a/Set values for tcp keepalive parameters This function configures tcp keepalive parameters if users wish to do so. :param tcp_keepalive: Boolean, turn on or off tcp_keepalive. If users are not sure, this should be True, and default values will be used. :param tcp_keepidle: time to wait before starting to send keepalive probes :param tcp_keepalive_interval: time between successive probes, once the initial wait time is over :param tcp_keepalive_count: number of probes to send before the connection is killed ztcp_keepalive must be a booleanN TCP_KEEPIDLEz)tcp_keepidle not available on your system TCP_KEEPINTVLz*tcp_keepintvl not available on your system TCP_KEEPCNTz(tcp_keepcnt not available on your system)rZbool setsockoptrs SOL_SOCKET SO_KEEPALIVEr/hasattr IPPROTO_TCPrrrrr)sock tcp_keepalive tcp_keepidletcp_keepalive_intervaltcp_keepalive_counts rset_tcp_keepalivers*-& ))6+>+> N9::  6> * OOF.."//( * KKC D) 6? + OOF.."002 4 KKD E& 6= ) OOF.."../ 1 KKB C 'r)N)r-T)TNNN))rloggingrKr\rsurllibrr netaddr.corerroslo_utils._i18nr getLoggerrrrJrr r*r1r7rAmac_unix_expandedrFrTrVrXr`rfrirmrpr}rzrr SplitResultrrrrrrrs  "g!-7`&R04  2<(/'@'@:0  < E ! , * *&.2&*2 5,, F7$+/#'-1*.3Dr