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zUFWRule._get_attribc C s� t | j| j�}| j|_| j|_| j|_| j|_| j|_| j|_| j |_ | j
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| j|_| j|_| j|_| j|_| j|_| j|_|S )z Return a duplicate of a rule)r r# r r r r r r r r r r! r" r$ r% r& r' r( r) r* )r �ruler r r �dup_rule[ s& zUFWRule.dup_rulec C sr d}| j dkr|d| j 7 }| jdkr|d| j 7 }| jdkr$|d7 }nD|d| j 7 }| jrh|d7 }| jdkrO| jdkrO|d| j 7 }|d7 }|d | j 7 }n| jdkr\|d| j 7 }n | jdkrh|d | j 7 }| jd
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zSets action of the ruler= r r> r? rA �denyr � N)�lower�splitr# �len� set_logtype)r r# �tmpr% r r r r+ � s $ zUFWRule.set_actionr c C s� t d�| }|dkr n�|dkr| jrn�|dkr| jrn�t�d|�s't�d|�r+t|��|�d�|�d� d kr;t|��|�d�}t|�d
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y� t|��w t|��|r�|dt|� 7 }qMt|�}qM|}|dkr�t|�| _dS t|�| _dS )z:Sets port and location (destination or source) of the rulez
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zUFWRule.set_portc C s0 |t jjdg v r|| _dS td�| }t|��)zSets protocol of the ruler zUnsupported protocol '%s'N)r �util�supported_protocolsr r= r )r r r` r r r r, � s
zUFWRule.set_protocolc C s� | j r)| jr| jdks| jdkrd| _| jr%| jdks | jdkr'd| _dS dS dS | jr9| jdks6| jdkr9d| _| jrK| jdksF| jdkrMd| _dS dS dS )z Adjusts src and dst based on v6r r r< N)r r r r
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�zUFWRule._fix_anywherec C s || _ | �� dS )zXSets whether this is ipv6 rule, and adjusts src and dst
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valid_addressr= r r rg �r �addrrT r` r r r r. � zUFWRule.set_srcc C ri )z Sets destination address of ruler zBad destination addressN)rP r re rj r= r r rg rk r r r r/ rm zUFWRule.set_dstc C s� |dkr|dkrt d�}t|��dt|�v r t d�}t|��dt|�v r,t d�}t|��t|�dks8t|�d kr@t d
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kr`t d�}t|��t�dt|��spt d�}t|��|dkry|| _dS || _dS )zSets an interface for ruler �outzBad interface type�!z+Bad interface name: reserved character: '!'rU z/Bad interface name: can't use interface aliases�.z..z)Bad interface name: can't use '.' or '..'r z+Bad interface name: interface name is empty� z+Bad interface name: interface name too longz^[a-zA-Z0-9_\-\.\+,=%@]+$zBad interface nameN)r= r r] rR rG rW r& r' )r �if_type�namer` r r r �
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zUFWRule.set_interfacec C s> t |�dkrt�dt |��std�| }t|��t|�| _dS )z Sets the position of the rulez-1z^[0-9]+z,Insert position '%s' is not a valid positionN)r] rG rW r= r rY r$ )r �numr` r r r � set_positionW s zUFWRule.set_positionc C sB |� � dks|� � dks|dkr|� � | _dS td�| }t|��)zSets logtype of the rule�logzlog-allr zInvalid log type '%s'N)rP r% r= r )r r% r` r r r rS a s
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zUFWRule.set_directionc C s t j�| j�S )z Get decoded comment of the rule)r re �
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zUFWRule.set_commentc C s� d}| j r(ztj�| j | j�\| _ }W n ty" td�}t|��w |r(|| _| j rNztj�| j | j�\| _ }W n tyH td�}t|��w |rN|| _| j
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|�| _dS dS )z&Normalize src and dst to standard formFz"Could not normalize source addressz'Could not normalize destination addressrD N)r r re �normalize_addressr r\ r= r r r r rQ �
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� � �zUFWRule.normalizec C s� | r|st � �d| |f }| j|jkrt|� dS | j|jkr%t|� dS | j|jkr1t|� dS | j|jkr=t|� dS | j|jkrIt|� dS | j|jkrUt|� dS | j|jkrat|� dS | j |j krmt|� dS | j
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z�Check if rules match
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1 no match
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zNo match '%s' '%s'rO zFound exact matchr z$Found exact match, excepting comment���zZFound non-action/non-logtype/comment match (%(xa)s/%(ya)s/'%(xc)s' %(xl)s/%(yl)s/'%(yc)s'))�xa�ya�xl�yl�xc�yc���)�
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f � dS td| | j||jf � dS )a� This will match if x is more specific than y. Eg, for protocol if x
is tcp and y is all or for address if y is a network and x is a
subset of y (where x is either an address or network). Returns:
0 match
1 no match
-1 fuzzy match
This is a fuzzy destination match, so source ports or addresses
are not considered, and (currently) only incoming.
c S s~ d| v sd| v r| |krdS dS |� d�D ]'}| |kr dS d|v r<|� d�\}}t| �t|�kr<t| �t|�kr< dS qdS )z:Returns True if p is an exact match or within a multi rulerD rU TF)rQ rY )�test_p�to_matchr^ �low�highr r r � _match_ports� s �z-UFWRule.fuzzy_dst_match.<locals>._match_portsr z(No fuzzy match '%s (v6=%s)' '%s (v6=%s)'r z (direction) z (not incoming)rO z (forward does not match)r z (protocol) z(dport) r �/z(dst) z ('%s' not in network '%s')z (interface) z (%s != %s)z %s does not existz(v6) z'(fuzzy match) '%s (v6=%s)' '%s (v6=%s)'r� )r� rW r r( r r) r r r& � _is_anywherer r re �
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�&� � zUFWRule.fuzzy_dst_matchc C s |dks|dkr
dS dS )z Check if address is anywherer< r TFr )r rl r r r r� N s zUFWRule._is_anywherec C s� d}| j dks | jdkred| j | j| j| jf }| j dkr)d| j| j| j| jf }| jdkr:d| j | j| j| jf }| jdkrM| jdkrM|d| j 7 }|S | jdkrY|d| j 7 }| jdkre|d| j 7 }|S )a� Returns a tuple to identify an app rule. Tuple is:
dapp dst sapp src direction_iface|direction
or
dport dst sapp src direction_iface|direction
or
dapp dst sport src direction_iface|direction
where direction_iface is of form 'in_eth0', 'out_eth0' or
'in_eth0 out_eth0' (ie, both interfaces used). If no interfaces are
specified, then tuple ends with the direction instead.
r z %s %s %s %sz %sz in_%sz out_%s) r! r" r r r r r& r' r( )r �tuplr r r �
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zUFWRule.get_app_tuplec C s� | j dkr| jdks| jdkrtd�| j }t|��| j tjjv r0|dkr0td�| j }t|��| j tjjv rL| j dksA| j
dkrNtd�| j }t|��dS dS )z Verify ruler r z3Improper rule syntax ('%s' specified with app rule)r z'Invalid IPv6 address with protocol '%s'z Invalid port with protocol '%s'N) r r" r! r= r r re �ipv4_only_protocols�portless_protocolsr r )r � rule_iptyper` r r r �verifyv s(
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