Ë
    #fdk  ã                   ó„   — d Z ddlZddlZddlZddlZddlZddlZddlZddlm	Z	m
Z
mZmZ ddlmZmZ ddlZ G d„ d«      Zy)z&backend.py: interface for ufw backendsé    N)ÚerrorÚwarnÚdebugÚ	_findpath)ÚUFWErrorÚUFWRulec                   óÌ   — e Zd ZdZ	 	 d!d„Zd„ Zd„ Zd„ Zd"d„Zd„ Z	d	„ Z
d
„ Zd„ Zd„ Zd„ Zd„ Zd„ Zd„ Zd„ Zd„ Zd„ Zd„ Zd„ Zd„ Zd„ Zd„ Zd„ Zd„ Zd„ Zd„ Zd„ Zd„ Zd„ Z d „ Z!y)#Ú
UFWBackendzInterface for backendsNc                 óJ  — d | _         || _        || _        g | _        g | _        t        t        j                  j                  |«      }t        j                  j                  |d«      t        j                  j                  |d«      t        j                  j                  |d«      dœ| _        |�| j                  j                  |«       ddddd	d
œ| _        t        j                  j                  | _        | j!                  «        | j#                  «        | j%                  «        t        j&                  j)                  | j                  d   «      | _        t        j                  j                  t        j                  j,                  d«      | _        t        j                  j                  t        j                  j,                  d«      | _        t        j                  j                  t        j                  j,                  d«      | _        t        j                  j                  t        j                  j,                  d«      | _        	 t        j6                  j9                  | j.                  «      | _        d | _!        y # t<        $ r t?        d«      }tA        |«      ‚w xY w)Nzdefault/ufwzufw/ufw.confzufw/applications.d)ÚdefaultsÚconfÚappsr   éd   éÈ   i,  i�  )ÚoffÚlowÚmediumÚhighÚfullr   Úiptablesziptables-restoreÚ	ip6tableszip6tables-restorez#Couldn't determine iptables version)"r   ÚnameÚdryrunÚrulesÚrules6r   ÚufwÚcommonÚ
config_dirÚosÚpathÚjoinÚfilesÚupdateÚ	loglevelsÚ	do_checksÚ
_do_checksÚ_get_defaultsÚ_read_rulesÚapplicationsÚget_profilesÚprofilesÚiptables_dirr   Úiptables_restorer   Úip6tables_restoreÚutilÚget_iptables_versionÚiptables_versionÚOSErrorÚ_r   Úcaps)Úselfr   r   Úextra_filesÚrootdirÚdatadirÚpÚerr_msgs           ú-/usr/lib/python3/dist-packages/ufw/backend.pyÚ__init__zUFWBackend.__init__    sÞ  € àˆŒØˆŒ	ØˆŒØˆŒ
ØˆŒä”c—j‘j×+Ñ+¨WÓ5ˆÜ"$§'¡'§,¡,¨q°-Ó"@Ü Ÿg™gŸl™l¨1¨nÓ=Ü Ÿg™gŸl™l¨1Ð.BÓCñFˆŒ
ð Ð"Ø�J‰J×Ñ˜kÔ*à!"Ø!$Ø$'Ø"%Ø"%ñ	(ˆŒô Ÿ™×-Ñ-ˆŒØ�‰ÔØ×ÑÔØ×ÑÔä×(Ñ(×5Ñ5°d·j±jÀÑ6HÓIˆŒäŸ™Ÿ™¤S§Z¡Z×%<Ñ%<¸jÓIˆŒÜ "§¡§¡¬S¯Z©Z×-DÑ-DØ-?ó!AˆÔäŸ™Ÿ™¤c§j¡j×&=Ñ&=¸{ÓKˆŒÜ!#§¡§¡¬c¯j©j×.EÑ.EØ.Aó"CˆÔð	$Ü$'§H¡H×$AÑ$AÀ$Ç-Á-Ó$PˆDÔ!ð ˆ�	øô ò 	$ÜÐ=Ó>ˆGÜ˜7Ó#Ð#ð	$ús   É.J Ê J"c                 ó>  — | j                   �yi | _         i | j                   d<   d| j                   d   d<   d| j                   d   d<   | j                  råt        j                  «       dk(  rÍ| j                  sÀ	 t
        j                  j                  | j                  «      }d	|v rd
|v rd| j                   d   d<   nd| j                   d   d<   | j                  «       rX	 t
        j                  j                  | j                  «      }d	|v rd
|v rd| j                   d   d<   yd| j                   d   d<   yyyyy# t        $ r5}d|z  }| j                  «       rt        |«       t        |«       Y d}~yd}~ww xY w# t        $ r}t        d|z  «       Y d}~Œ�d}~ww xY w)zgInitialize the capabilities database. This needs to be called
           before accessing the database.NÚlimitTÚ4FÚ6r   zinitcaps
%sz
recent-setzrecent-update)r4   r%   r   Úgetuidr   r   r/   Úget_netfilter_capabilitiesr   r2   Ú
is_enabledr   r   Úuse_ipv6r   )r5   Únf_capsÚeÚmsgs       r;   ÚinitcapszUFWBackend.initcapsL   s…  € ð
 �9‰9Ð ØàˆŒ	Øˆ�	‰	�'Ñð #'ˆ�	‰	�'Ñ˜3ÑØ"'ˆ�	‰	�'Ñ˜3Ñð �>Š>œbŸi™i›k¨QÒ.°t·{²{ðÜŸ(™(×=Ñ=¸d¿m¹mÓL�ð ˜wÑ&¨?¸gÑ+EØ*.�—	‘	˜'Ñ" 3Ò'à*/�—	‘	˜'Ñ" 3Ñ'ð �}‰}Œð.Ü!Ÿh™h×AÑAÀ$Ç.Á.ÓQ�Gð   7Ñ*¨À'Ñ/IØ.2�D—I‘I˜gÑ& sÒ+à.3�D—I‘I˜gÑ& sÒ+ð ð% 8CÐ.ˆ>øô ò Ø$ qÑ(�Ø—?‘?Ô$Ü˜#”JÜ�S”	Üûðûô" ò .Ü˜.¨1Ñ,×-Ñ-ûð.ús0   Á8)D: Ã)E; Ä:	E8Å+E3Å3E8Å;	FÆFÆFc                 óF   — d| j                   v r| j                   d   dk(  ryy)z!Is firewall configured as enabledÚenabledÚyesTF)r   ©r5   s    r;   rC   zUFWBackend.is_enabledx   s%   € à˜Ÿ™Ñ%Ø�=‰=˜Ñ# uÒ,ØØó    c                 ó„   — d| j                   v r2| j                   d   dk(  r t        j                  j                  d«      ryy)z"Is firewall configured to use IPv6Úipv6rK   z/proc/sys/net/ipv6TF)r   r   r    ÚexistsrL   s    r;   rD   zUFWBackend.use_ipv6   s6   € à�T—]‘]Ñ"Ø�=‰=˜Ñ  EÒ)Ü�7‰7�>‰>Ð.Ô/ØØrM   c                 óò  — d|z   dz   }d}| j                   |   dk(  rd}n| j                   |   dk(  rd}nd}|r¾|dk(  r¹d	}t        d
«      }t        j                  j	                  ddg«      \  }}|dk7  rt        |«      ‚d|v rd}| j                  «       r^t        j                  j	                  ddg«      \  }}|dk(  rd|v rd}t        j                  j	                  ddg«      \  }}|dk(  rd|v rd}|sd}|S )z.Get default policy for specified primary chainÚdefault_Ú_policyÚ ÚacceptÚallowÚrejectÚdenyÚforwardFzproblem running sysctlÚsysctlznet.ipv4.ip_forwardr   Ú1Tz net.ipv6.conf.default.forwardingznet.ipv6.conf.all.forwardingÚdisabled)r   r3   r   r/   Úcmdr   rD   )	r5   ÚprimaryÚcheck_forwardÚpolicyÚrstrrJ   r:   ÚrcÚouts	            r;   Ú_get_default_policyzUFWBackend._get_default_policy‡   s  € à˜gÑ%¨	Ñ1ˆàˆØ�=‰=˜Ñ  HÒ,Ø‰DØ�]‰]˜6Ñ" hÒ.Ø‰DàˆDá˜W¨	Ò1ØˆGÜÐ0Ó1ˆGäŸ™Ÿ™ hÐ0EÐ%FÓG‰IˆR�Ø�QŠwÜ˜wÓ'Ð'Ø�c‰zØ�ð �}‰}ŒÜŸH™HŸL™L¨(Ð4VÐ)WÓX‘	��SØ˜’7˜s c™zØ"�GäŸH™HŸL™L¨(Ð4RÐ)SÓT‘	��SØ˜’7˜s c™zØ"�GáØ!�àˆrM   c                 ó�	  — | j                   st        d«      }t        |«       yt        j                  «       t        j
                  «       k7  rt        d«      }t        |«      ‚t        j                  «       t        j                  «       k7  rt        d«      }t        |«      ‚t        j                  «       }|dk7  rt        d«      }t        |«      ‚i }i }i }g }t        j                  j                  | j                  d   «      s't        d«      | j                  d   z  }t        |«       nŠt        j                  d	«      }t        j                  | j                  d   «      D ]P  }	|j                  |	«      rŒ|j!                  t        j                  j#                  | j                  d   |	«      «       ŒR t%        | j                  j'                  «       «      t        j                  j)                  t*        j,                  d   «      gz   |z   D �]
  }
|
j/                  d
«      st        j0                  «       ›d
|
›�}
	 t3        d|
z   «       |
| j                  d   k(  r-t        j                  j                  | j                  d   «      sŒ|	 t        j4                  |
«      }|t4        j6                     }d}d}d}	 t=        j>                  |j@                  «      d   |k(  s%t=        j>                  |j@                  «      d   |k(  rd}|j@                  dk7  rD|sB|
|vr>t        d«      tE        |«      |
tE        |j@                  «      dœz  }t        |«       d||
<   |t4        jF                  z  r"|
|vrt        d«      |
z  }t        |«       d||
<   |t4        jH                  z  r1|
|vr-|jJ                  dk7  rt        d«      |
z  }t        |«       d||
<   |
d
k(  r�ŒË|
}t        j                  jM                  |
«      }
|
st9        tN        jP                  d|z  «      ‚�ŒÞ | j                  D ]]  }|dk7  sŒ	t        j                  jS                  | j                  |   «      rŒ6t        d«      || j                  |   dœz  }t        |«      ‚ y# t8        $ r t        d«      |
z  }t        |«      ‚t:        $ r ‚ w xY w# tB        $ r Y �Œ¾w xY w)a8  Perform basic security checks:
        is setuid or setgid (for non-Linux systems)
        checks that script is owned by root
        checks that every component in absolute path are owned by root
        warn if script is group writable
        warn if part of script path is group writable

        Doing this at the beginning causes a race condition with later
        operations that don't do these checks.  However, if the user running
        this script is root, then need to be root to exploit the race
        condition (and you are hosed anyway...)
        zChecks disabledTz%ERROR: this script should not be SUIDz%ERROR: this script should not be SGIDr   z&You need to be root to run this scriptr   z'%s' does not existz^\.ú/z	Checking zCouldn't stat '%s'ÚclickpkgÚ	snappypkgFz4uid is %(uid)s but '%(path)s' is owned by %(st_uid)s)Úuidr    Úst_uidz%s is world writable!z%s is group writable!zCould not find parent for '%s'z&'%(f)s' file '%(name)s' does not exist)Úfr   N)*r%   r3   r   r   rA   Úgeteuidr   ÚgetgidÚgetegidr    Úisdirr"   ÚreÚcompileÚlistdirÚsearchÚappendr!   ÚlistÚvaluesÚabspathÚsysÚargvÚ
startswithÚgetcwdr   ÚstatÚST_MODEr2   Ú	ExceptionÚpwdÚgetpwuidrj   ÚKeyErrorÚstrÚS_IWOTHÚS_IWGRPÚst_gidÚdirnameÚerrnoÚENOENTÚisfile)r5   r:   ri   Úwarned_world_writeÚwarned_group_writeÚwarned_ownerr+   Úwarn_msgÚpatÚprofiler    ÚstatinfoÚmodeÚ
click_userÚ	snap_userÚis_unpack_userÚ	last_pathrk   s                     r;   r&   zUFWBackend._do_checks­   s+  € ð �~Š~ÜÐ)Ó*ˆGÜ�ŒMØô �9‰9‹;œ"Ÿ*™*›,Ò&ÜÐ?Ó@ˆGÜ˜7Ó#Ð#Ü�9‰9‹;œ"Ÿ*™*›,Ò&ÜÐ?Ó@ˆGÜ˜7Ó#Ð#ä�i‰i‹kˆØ�!Š8ÜÐ@ÓAˆGÜ˜7Ó#Ð#ð  ÐØÐØˆàˆÜ�w‰w�}‰}˜TŸZ™Z¨Ñ/Ô0ÜÐ.Ó/°4·:±:¸fÑ3EÑFˆHÜ��Nä—*‘*˜VÓ$ˆCÜŸ:™: d§j¡j°Ñ&8Ó9ò O�Ø—z‘z 'Õ*Ø—O‘O¤B§G¡G§L¡L°·±¸FÑ1CÀWÓ$MÕNðOô ˜Ÿ™×*Ñ*Ó,Ó-Ü—'‘'—/‘/¤#§(¡(¨1¡+Ó.Ð0ñ1àñó 9	/ˆDð —?‘? 3Ô'Ü"$§)¡)¥+©tÐ4�ØÜ�k DÑ(Ô)Ø˜4Ÿ:™: fÑ-Ò-Ü!Ÿw™wŸ}™}¨T¯Z©Z¸Ñ-?Ô@ØðÜ!Ÿw™w t›}�HØ#¤D§L¡LÑ1�Dð (�
Ø'�	Ø!&�ðÜ—|‘| H§O¡OÓ4°QÑ7¸:ÒEÜŸL™L¨¯©Ó9¸!Ñ<À	ÒIØ)-˜ð —?‘? aÒ'±Ø LÑ0Ü ð ".ó  /Ü:=¸c»(Ø7;Ü9<¸X¿_¹_Ó9Mñ3Oñ P�Hô ˜”NØ)-�L Ñ&Øœ$Ÿ,™,Ò&¨4Ð7IÑ+IÜ Ð!8Ó9¸TÑB�HÜ˜”NØ/3Ð& tÑ,Øœ$Ÿ,™,Ò&¨4Ð7IÑ+IØ Ÿ™¨1Ò,Ü Ð!8Ó9¸TÑB�HÜ˜”NØ/3Ð& tÑ,à˜3’;Ùà �	Ü—w‘w—‘ tÓ,�ÙÜ!¤%§,¡,Ø"BØ#,ñ#.ó/ð /ñe ð9	/ðv —‘ò 	(ˆAØ�F‹{¤2§7¡7§>¡>°$·*±*¸Q±-Õ#@ÜÐDÓEØ"#¨T¯Z©Z¸©]Ñ;ñ=�ä˜wÓ'Ð'ñ		(øô[ ò ,ÜÐ 4Ó5¸Ñ>�GÜ" 7Ó+Ð+Ü ò Øðûô  ò Úðús   Ê(R	Ê:AR8Ò	,R5Ò8	SÓSc                 óö  — i | _         | j                  d   | j                  d   fD ]Ä  }	 t        j                  j	                  |«      }t        j                  d«      }|D ]x  }|j                  |«      sŒt        j                  d|j                  «       «      }|d   j                  «       j                  d«      | j                   |d   j                  «       <   Œz |j                  «        ŒÆ g d	¢}d
D ]^  }d|z  | j                   vrt        d|z  «      }t        |«      ‚| j                   d|z     }	|	|vsŒDt        d|	|dœz  «      }t        |«      ‚ y# t
        $ r t        d«      |z  }t        |«      ‚w xY w)z#Get all settings from defaults filer   r   zCouldn't open '%s' for readingz^\w+="?\w+"?ú=é   ú"'r   )rU   ÚdroprW   )ÚinputÚoutputrY   zdefault_%s_policyzMissing policy for '%s'z+Invalid policy '%(policy)s' for '%(chain)s')r`   ÚchainN)r   r"   r   r/   Úopen_file_readr~   r3   r   rp   rq   rs   ÚsplitÚstripÚlowerÚclose)
r5   rk   Úorigr:   rŽ   ÚlineÚtmpÚpoliciesÚcr9   s
             r;   r'   zUFWBackend._get_defaults  sr  € àˆŒØ—*‘*˜ZÑ(¨$¯*©*°VÑ*<Ð=ò 	ˆAð(Ü—x‘x×.Ñ.¨qÓ1�ô —*‘*˜_Ó-ˆCØò P�Ø—:‘:˜dÕ#ÜŸ(™( 4¨¯©«Ó6�CØ47¸±F·L±L³N×4HÑ4HÈÓ4O�D—M‘M # a¡&§,¡,£.Ò1ðPð
 �J‰J�Lð	ò 0ˆØ1ò 	(ˆAØ" aÑ(°·±Ñ=ÜÐ5¸Ñ;Ó<�Ü˜wÓ'Ð'Ø—‘Ð1°QÑ7Ñ8ˆAØ˜Ò ÜÐIØ()°AÑ6ñ8ó 9�ä˜wÓ'Ð'ñ	(øô ò (ÜÐ<Ó=ÀÑC�Ü˜wÓ'Ð'ð(ús   ªEÅ#E8c                 óL  — t        j                  d|«      st        d«      }t        |«      ‚t	        j
                  |t        j                  «      st        d|z  «      }t        |«      ‚t        j                  j                  |«      }|d   }d}t        j                  d|z   dz   «      }|d   D ]_  }	|j                  |	«      r,t        j                  j                  ||dz   |z   d	z   «       d
}Œ@t        j                  j                  ||	«       Œa |s)t        j                  j                  ||dz   |z   d	z   «       	 t        j                  j                  |«       |j                  «       j!                  d«      | j"                  |j                  «       <   y# t        $ r ‚ w xY w)zSets option in defaults filez^[\w_]+$zInvalid optionz'%s' is not writabler¥   Fú^r—   r£   ú
Tr™   N)rp   Úmatchr3   r   r   ÚaccessÚW_OKr   r/   Ú
open_filesrq   rs   Úwrite_to_fileÚclose_filesr~   r¡   r    r   )
r5   ÚfnÚoptÚvaluer:   ÚfnsÚfdÚfoundrŽ   r¤   s
             r;   Úset_defaultzUFWBackend.set_default:  sa  € ä�x‰x˜ SÔ)ÜÐ(Ó)ˆGÜ˜7Ó#Ð#ô �y‰y˜œRŸW™WÔ%ÜÐ.°"Ñ5Ó6ˆGÜ˜7Ó#Ð#ä�h‰h×!Ñ! "Ó%ˆØ�‰ZˆàˆÜ�j‰j˜ ™ cÑ)Ó*ˆØ˜‘Kò 	1ˆDØ�z‰z˜$ÔÜ—‘×&Ñ& r¨3°©9°uÑ+<¸tÑ+CÔDØ‘ä—‘×&Ñ& r¨4Õ0ð	1ñ Ü�H‰H×"Ñ" 2 s¨S¡y°5Ñ'8¸4Ñ'?Ô@ð	Ü�H‰H× Ñ  Ô%ð
 &+§[¡[£]×%8Ñ%8¸Ó%?ˆ�‰�c—i‘i“kÒ"øô	 ò 	Øð	ús   Ä>F ÆF#c                 óœ  — | j                   s±|dk(  r!| j                  | j                  d   dd«       n‹|dk(  r!| j                  | j                  d   dd«       ne|dk(  r!| j                  | j                  d   dd«       n?|d	k(  r!| j                  | j                  d   dd
«       nt        d«      |z  }t	        |«      ‚t        d«      |z  }|S )z+Sets default application policy of firewallrV   r   ÚDEFAULT_APPLICATION_POLICYz"ACCEPT"rX   z"DROP"rW   z"REJECT"Úskipz"SKIP"zUnsupported policy '%s'z*Default application policy changed to '%s')r   r·   r"   r3   r   )r5   r`   r:   ra   s       r;   Úset_default_application_policyz)UFWBackend.set_default_application_policy^  sÝ   € à�{Š{Ø˜Ò Ø× Ñ  §¡¨JÑ!7Ø(DØ(4õ6ð ˜6Ò!Ø× Ñ  §¡¨JÑ!7Ø(DØ(2õ4ð ˜8Ò#Ø× Ñ  §¡¨JÑ!7Ø(DØ(4õ6ð ˜6Ò!Ø× Ñ  §¡¨JÑ!7Ø(DØ(2õ4ô Ð5Ó6¸&ÑA�Ü˜wÓ'Ð'äÐ=Ó>À&ÑIˆàˆrM   c                 óN  — g }t        | j                  j                  «       «      }|j                  |v �r=|j                  |v �r.t
        j                  j                  | j                  |j                     «      }t
        j                  j                  | j                  |j                     «      }|D �]º  }|j                  «       }d|_	        |j                  dd«       t
        j                  j                  |«      \  }}	|j                  |	«       |j                  |d«       |j                  |_	        |j                  |j                  k(  rpd|_        t
        j                  j                  |«      \  }}	|j                  |	«       |j                  |d«       |j                  |_        |j                  |«       �Œ|D ]ª  }
|j                  «       }d|_        t
        j                  j                  |
«      \  }}	|j                  |	«       |j                  |d«       |j                   dk(  r|j                  |j                   «       |j                  |_        |j                  |«       Œ¬ �Œ½ �n�|j                  |v rºt
        j                  j                  | j                  |j                     «      D ]€  }|j                  «       }d|_        t
        j                  j                  |«      \  }}	|j                  |	«       |j                  |d«       |j                  |_        |j                  |«       Œ‚ nÇ|j                  |v r¹t
        j                  j                  | j                  |j                     «      D ]€  }|j                  «       }d|_	        t
        j                  j                  |«      \  }}	|j                  |	«       |j                  |d«       |j                  |_	        |j                  |«       Œ‚ t#        |«      dk  rt%        d«      }t'        |«      ‚|S )z4Return a list of UFWRules based on the template rulerT   ÚanyÚsrcÚdstr˜   z&No rules found for application profile)ru   r+   ÚkeysÚdportÚsportr   r)   Ú	get_portsÚdup_ruleÚdappÚset_portr/   Úparse_port_protoÚset_protocolÚsapprt   ÚprotocolÚlenr3   r   )r5   Útemplater   Úprofile_namesÚdportsÚsportsÚir¥   ÚportÚprotoÚjÚruler9   r:   s                 r;   Úget_app_rules_from_templatez&UFWBackend.get_app_rules_from_templatey  s9  € àˆÜ˜TŸ]™]×/Ñ/Ó1Ó2ˆà�>‰>˜]Ò*¨x¯~©~ÀÒ/NÜ×%Ñ%×/Ñ/°·±¸h¿n¹nÑ0MÓNˆFÜ×%Ñ%×/Ñ/°·±¸h¿n¹nÑ0MÓNˆFØó  +�Ø×'Ñ'Ó)�Ø�”Ø—‘˜U EÔ*Ü #§¡× 9Ñ 9¸!Ó <‘��uØ× Ñ  Ô'Ø—‘˜T 5Ô)à#Ÿ=™=�”à—>‘> X§^¡^Ò3ð  "�C”HÜ$'§H¡H×$=Ñ$=¸aÓ$@‘M�T˜5Ø×$Ñ$ UÔ+Ø—L‘L  uÔ-à'Ÿ}™}�C”HØ—L‘L Ö%à#ò +˜Ø"Ÿ|™|›~˜Ø$&˜œ	Ü(+¯©×(AÑ(AÀ!Ó(D™˜˜uØ×)Ñ)¨%Ô0ØŸ™ d¨EÔ2àŸ=™=¨EÒ1Ø ×-Ñ-¨c¯l©lÔ;à$,§M¡M˜œ	ØŸ™ TÕ*ò+ò+ +ðB �^‰^˜}Ñ,Ü×%Ñ%×/Ñ/°·±¸h¿n¹nÑ0MÓNò #�Ø×(Ñ(Ó*�Ø�”	Ü #§¡× 9Ñ 9¸!Ó <‘��uØ×!Ñ! %Ô(Ø—‘˜d EÔ*à$ŸM™M�”	Ø—‘˜TÕ"ñ#ð �^‰^˜}Ñ,Ü×%Ñ%×/Ñ/°·±¸h¿n¹nÑ0MÓNò #�Ø×(Ñ(Ó*�Ø�”	Ü #§¡× 9Ñ 9¸!Ó <‘��uØ×!Ñ! %Ô(Ø—‘˜d EÔ*à$ŸM™M�”	Ø—‘˜TÕ"ð#ô ˆu‹:˜Š>ÜÐ@ÓAˆGÜ˜7Ó#Ð#àˆrM   c                 ó¤  — g }g }d}d}d}| j                   | j                  z   D �];  }|j                  |k(  s|j                  |k(  rê|j	                  «       }||k(  rŒ8|j                  «       }	|	j                  d«       |	j                  dk7  r|	j                  |	j                  d«       |	j                  dk7  r|	j                  |	j                  d«       | j                  |	«      }
|
D ]A  }|j                  «        |j                  r|j                  |«       Œ1|j                  |«       ŒC |}d}�Œ|j                  r|j                  |«       �Œ+|j                  |«       �Œ> |rF|| _         || _        |t        d«      |z  z  }	 | j                  d«       | j                  d«       ||fS ||fS # t        $ r t        d«      }t        |«      ‚w xY w)	z’Update rule for profile in place. Returns result string and bool
           on whether or not the profile is used in the current ruleset.
        rT   Fr½   r¿   r¾   TzRules updated for profile '%s'z!Couldn't update application rules)r   r   rÅ   rÉ   Úget_app_tuplerÄ   rÈ   rÆ   rÕ   Ú	normalizeÚv6rt   r3   Ú_write_rulesr~   r   )r5   r�   Úupdated_rulesÚupdated_rules6Ú
last_tuplera   Úupdated_profileÚrÚtuplrÌ   Únew_app_rulesÚnew_rr:   s                r;   Úupdate_app_rulezUFWBackend.update_app_rule½  sÑ  € ð ˆØˆØˆ
ØˆØˆð —‘˜dŸk™kÑ)ó "	,ˆAØ�v‰v˜Ò  A§F¡F¨gÒ$5ð —‘Ó(�Ø˜:Ò%ð ð  !Ÿz™z›|�HØ×)Ñ)¨%Ô0Ø—}‘}¨Ò*Ø ×)Ñ)¨(¯-©-¸Ô?Ø—}‘}¨Ò*Ø ×)Ñ)¨(¯-©-¸Ô?Ø$(×$DÑ$DØ*2ó%4�Mð "/ò 8˜ØŸ™Ô)Ø Ÿ8š8Ø*×1Ñ1°%Õ8à)×0Ñ0°Õ7ð8ð "&�JØ&*’Oà—4’4Ø"×)Ñ)¨!Ö,à!×(Ñ(¨Ö+ðE"	,ñH Ø&ˆDŒJØ(ˆDŒKØ”AÐ6Ó7¸7ÑCÑCˆDð(Ø×!Ñ! %Ô(Ø×!Ñ! $Ô'ð
 �oÐ&Ð&��oÐ&Ð&øô	 ò (ÜÐ?Ó@�Ü˜wÓ'Ð'ð(ús   Æ"F/ Æ/ Gc                 ól  — || j                   v r|S d}d}t        | j                   j                  «       «      D ]+  }|j                  «       |j                  «       k(  sŒ%|}|dz  }Œ- d||fz  }t	        |«       |dk(  r|S |dkD  rt        d«      |z  }t        |«      ‚t        d«      |z  }t        |«      ‚)z2Find the application profile name for profile_namerT   r   r˜   z'%d' matches for '%s'z>Found multiple matches for '%s'. Please use exact profile namez&Could not find a profile matching '%s')r+   ru   rÀ   r¡   r   r3   r   )r5   Úprofile_namer«   ÚmatchesÚnÚ	debug_msgr:   s          r;   Úfind_application_namez UFWBackend.find_application_nameû  sÐ   € à˜4Ÿ=™=Ñ(ØÐàˆØˆÜ�d—m‘m×(Ñ(Ó*Ó+ò 	ˆAØ�w‰w‹y˜L×.Ñ.Ó0Ó0Ø�Ø˜1‘‘ð	ð
 ,¨w¸Ð.EÑEˆ	ÜˆiÔØ�aŠ<ØˆLØ�qŠ[ÜÐXÓYØ%ñ'ˆGô
 �wÓÐô Ð@ÓAØ%ñ'ˆGä�wÓÐrM   c                 ó  — |r"|t        | j                  «      kD  r
t        «       ‚|s"|t        | j                  «      kD  r
t        «       ‚|dk  r
t        «       ‚g }|r| j                  }n| j                  }i }d}t	        |«      D ]L  \  }}||k\  r nBd}|j
                  dk7  s|j                  dk7  sŒ.|j                  «       }||v r|dz  }ŒHd||<   ŒN g }|rA| j                  }| j                  |dz
  |z      j                  «       }	|	j                  d«       n@| j                  }| j                  |dz
  |z      j                  «       }	|	j                  d«       d}
|D ]$  }t        j                  ||	«      dk(  r|
c S |
dz  }
Œ& y)a.  Return the absolute position in the other list of the rule with the
           user position of the given list. For example, find_other_position(4,
           True) will return the absolute position of the rule in the ipv4 list
           matching the user specified '4' rule in the ipv6 list.
        r˜   r   rT   TF)rË   r   Ú
ValueErrorr   Ú	enumeraterÅ   rÉ   r×   rÄ   Úset_v6r   r«   )r5   ÚpositionrÙ   r   Ú	app_rulesÚtuple_offsetrÐ   rß   rà   Ú
match_ruleÚcounts              r;   Úfind_other_positionzUFWBackend.find_other_position  s…  € ñ �(œS §¡Ó-Ò-Ü“,Ðñ �h¤ T§Z¡Z£Ò0Ü“,Ðà�aŠ<Ü“,ÐàˆÙØ—K‘K‰Eà—J‘JˆEð ˆ	ØˆÜ˜eÓ$ò 
	+‰DˆAˆqØ�HŠ}ÙØˆDØ�v‰v˜Š|˜qŸv™v¨›|Ø—‘Ó(�à˜9Ñ$Ø  AÑ%‘Là&*�I˜d’Oð
	+ð ˆÙØ—J‘JˆEØŸ™ X°¡\°LÑ%@ÑA×JÑJÓLˆJØ×Ñ˜eÕ$à—K‘KˆEØŸ™ H¨q¡L°<Ñ$?Ñ@×IÑIÓKˆJØ×Ñ˜dÔ#àˆØò 	ˆAÜ�}‰}˜Q 
Ó+¨qÒ0Ø’Ø�Q‰J‰Eð	ð
 rM   c                 óJ  — d}t        d«      }d| j                  vs2| j                  d   t        | j                  j	                  «       «      vrd}|t        d«      z  }||fS | j                  | j                  d      }|dk(  r	|dz  }||fS |d| j                  d   z  z  }||fS )z"Gets current log level of firewallr   z	Logging: ÚlogleveléÿÿÿÿÚunknownr   zon (%s))r3   r   ru   r$   rÀ   )r5   Úlevelra   s      r;   Úget_loglevelzUFWBackend.get_loglevelO  s·   € àˆÜ�‹~ˆØ˜TŸ]™]Ñ*Ø�=‰=˜Ñ$¬D°·±×1DÑ1DÓ1FÓ,GÑGØˆEØ”A�i“LÑ ˆDð �tˆ}Ðð —N‘N 4§=¡=°Ñ#<Ñ=ˆEØ˜ŠzØ˜‘�ð �tˆ}Ðð ˜	 T§]¡]°:Ñ%>Ñ?Ñ?�Ø�tˆ}ÐrM   c                 ó�  — |t        | j                  j                  «       «      dgz   vrt        d«      |z  }t	        |«      ‚|}|dk(  r2d| j
                  vs| j
                  d   dk(  rd}n| j
                  d   }| j                  | j                  d   d|«       | j                  |«       |dk(  rt        d«      S t        d	«      S )
zSets log level of firewallÚonzInvalid log level '%s'rõ   r   r   r   ÚLOGLEVELzLogging disabledzLogging enabled)	ru   r$   rÀ   r3   r   r   r·   r"   Úupdate_logging)r5   rø   r:   Ú	new_levels       r;   Úset_loglevelzUFWBackend.set_loglevel_  sÃ   € àœ˜TŸ^™^×0Ñ0Ó2Ó3°t°fÑ<Ñ<ÜÐ0Ó1°UÑ;ˆGÜ˜7Ó#Ð#àˆ	Ø�DŠ=Ø §¡Ñ.Ø�}‰}˜ZÑ(¨EÒ1Ø!‘	à ŸM™M¨*Ñ5�	à×Ñ˜Ÿ™ FÑ+¨Z¸ÔCØ×Ñ˜IÔ&à˜ÒÜÐ'Ó(Ð(äÐ&Ó'Ð'rM   c                 óD   — | j                  «       | j                  «       z   S )zReturn list of all rules)Úget_rules_ipv4Úget_rules_ipv6rL   s    r;   Ú	get_ruleszUFWBackend.get_rulesu  s   € à×"Ñ"Ó$ t×':Ñ':Ó'<Ñ<Ð<rM   c                 ó   — | j                   S )zReturn list of IPv4 rules)r   rL   s    r;   r  zUFWBackend.get_rules_ipv4y  s   € à�z‰zÐrM   c                 ó   — | j                   S )zReturn list of IPv6 rules)r   rL   s    r;   r  zUFWBackend.get_rules_ipv6}  s   € à�{‰{ÐrM   c                 óð   — g }|r| j                   }n| j                  }d}i }|D ]O  }d}|j                  dk7  s|j                  dk7  r(|j	                  «       }||v rt        d|z  «       ŒFd||<   |dz  }ŒQ |S )z/Return number of ufw rules (not iptables rules)r   rT   úSkipping found tuple '%s'Tr˜   )r   r   rÅ   rÉ   r×   r   )r5   rÙ   r   rò   rï   rß   rà   s          r;   Úget_rules_countzUFWBackend.get_rules_count�  s�   € àˆÙØ—K‘K‰Eà—J‘JˆEàˆØˆ	Øò 
	ˆAØˆDØ�v‰v˜Š|˜qŸv™v¨š|Ø—‘Ó(�à˜9Ñ$ÜÐ5¸Ñ>Ô?Øà&*�I˜d‘OØ�Q‰J‰Eð
	ð ˆrM   c                 óø   — | j                  «       }d}i }|D ]a  }d}|j                  dk7  s|j                  dk7  r(|j                  «       }||v rt	        d|z  «       ŒFd||<   |t        |«      k(  r|c S |dz  }Œc y)z:Return rule specified by number seen via "status numbered"r˜   rT   r  TN)r  rÅ   rÉ   r×   r   Úint)r5   Únumr   rò   rï   rß   rà   s          r;   Úget_rule_by_numberzUFWBackend.get_rule_by_number™  sŽ   € à—‘Ó ˆàˆØˆ	Øò 	ˆAØˆDØ�v‰v˜Š|˜qŸv™v¨š|Ø—‘Ó(�à˜9Ñ$ÜÐ5¸Ñ>Ô?Øà&*�I˜d‘OØœ˜C›Ò Ø’Ø�Q‰J‰Eð	ð rM   c                 ó’   — g }d}| j                  «       D ]/  }|dz  }|j                  |«      }|dk  sŒ|j                  |«       Œ1 |S )zmSee if there is a matching rule in the existing ruleset. Note this
           does not group rules by tuples.r   r˜   )r  Úfuzzy_dst_matchrt   )r5   rÔ   Úmatchedrò   rß   Úrets         r;   Úget_matchingzUFWBackend.get_matching¯  sW   € ð ˆØˆØ—‘Ó!ò 	&ˆAØ�Q‰JˆEØ×&Ñ& qÓ)ˆCØ�Q‹wØ—‘˜uÕ%ð		&ð ˆrM   c                 ó   — t        d«      ‚)z*Set default policy for specified directionz/UFWBackend.set_default_policy: need to override©r   )r5   r`   Ú	directions      r;   Úset_default_policyzUFWBackend.set_default_policy½  s   € äÐHÓIÐIrM   c                 ó   — t        d«      ‚)zGet status of running firewallz,UFWBackend.get_running_raw: need to overrider  )r5   Ú
rules_types     r;   Úget_running_rawzUFWBackend.get_running_rawÁ  s   € äÐEÓFÐFrM   c                 ó   — t        d«      ‚)zGet managed rulesz'UFWBackend.get_status: need to overrider  )r5   ÚverboseÚ
show_counts      r;   Ú
get_statuszUFWBackend.get_statusÅ  s   € äÐ@ÓAÐArM   c                 ó   — t        d«      ‚)zUpdate firewall with rulez%UFWBackend.set_rule: need to overrider  )r5   rÔ   Úallow_reloads      r;   Úset_rulezUFWBackend.set_ruleÉ  s   € äÐ>Ó?Ð?rM   c                 ó   — t        d«      ‚)zStart the firewallz+UFWBackend.start_firewall: need to overrider  rL   s    r;   Ústart_firewallzUFWBackend.start_firewallÍ  ó   € äÐDÓEÐErM   c                 ó   — t        d«      ‚)zStop the firewallz*UFWBackend.stop_firewall: need to overrider  rL   s    r;   Ústop_firewallzUFWBackend.stop_firewallÑ  s   € äÐCÓDÐDrM   c                 ó   — t        d«      ‚)z%Get a list if rules based on templatez6UFWBackend.get_app_rules_from_system: need to overrider  )r5   rÌ   rÙ   s      r;   Úget_app_rules_from_systemz$UFWBackend.get_app_rules_from_systemÕ  s   € äð "ó #ð 	#rM   c                 ó   — t        d«      ‚)z#Update loglevel of running firewallz+UFWBackend.update_logging: need to overrider  )r5   rø   s     r;   rý   zUFWBackend.update_loggingÚ  r"  rM   c                 ó   — t        d«      ‚)zReset the firewallz"UFWBackend.reset: need to overrider  rL   s    r;   ÚresetzUFWBackend.resetÞ  s   € äÐ;Ó<Ð<rM   )NNN)r›   F)"Ú__name__Ú
__module__Ú__qualname__Ú__doc__r<   rH   rC   rD   rd   r&   r'   r·   r»   rÕ   rã   ré   ró   rù   rÿ   r  r  r  r  r  r  r  r  r  r  r!  r$  r&  rý   r)  © rM   r;   r
   r
      s³   „ Ù Ø15Ø'+ó*òX*4òXòó#òLn(ò`(ò:"@òHò6BòH<'ò| ò0:òxò (ò,=òòòò0ò,òJòGòBò@òFòEò#ò
Fó=rM   r
   )r-  r‡   r   r   rp   r|   rx   Úufw.utilr   r   r   r   r   Ú
ufw.commonr   r   Úufw.applicationsr
   r.  rM   r;   ú<module>r2     s7   ðÙ ,ó" Û 	Û 
Û 	Û Û 
Û ß 2Ó 2ß (Û ÷B=ò B=rM   