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r r r r � s z)NFTRuleExpr.cparser_extract_str.from_dictc C s | S r r r? r r r r � s z'NFTRuleExpr.cparser_extract_str.to_dict) r! r" r# rZ r$ r r r% r r r r r r �cparser_extract_str� s r_ c @ s< e Zd Zedd� �Zedd� �Zedd� �Zedd� �Zd S ) z NFTRuleExpr.cparser_inet_familyc C s | t kr dS | tkrdS | S �N�ipZip6r r? r r r r � s z,NFTRuleExpr.cparser_inet_family.from_netlinkc C s | dkr t S | dkrtS | S r` r r? r r r r � s z*NFTRuleExpr.cparser_inet_family.to_netlinkc C s | S r r r? r r r r � s z)NFTRuleExpr.cparser_inet_family.from_dictc C s | S r r r? r r r r � s z'NFTRuleExpr.cparser_inet_family.to_dictN)r! r" r# r% r r r r r r r r �cparser_inet_family� s rb )r! r" r# r � conv_mapsr$ r r Z cparser_regr2 Z cparser_data�objectr_ rb � __classcell__r r rW r rQ � s rQ c @ s@ e Zd Zejedddd�edddd�f ZG dd� dej�Zd S ) �ExprMeta�keyZ NFTA_META_KEYZmeta_key�dregZNFTA_META_DREGr c @ s e Zd ZdZdS )zExprMeta.cparser_meta_keyz NFT_META_{0}N�r! r" r# rZ r r r r �cparser_meta_key� s rj N)r! r" r# rQ rc r r_ rj r r r r rf � s �rf c @ sL e Zd Zejedddd�edddd�edddd�f ZG d d � d ej�Zd S ) �ExprCmp�sregZ NFTA_CMP_SREGr �opZ NFTA_CMP_OP�cmp_opr4 Z NFTA_CMP_DATAc @ s e Zd ZdZdS )zExprCmp.cparser_cmp_opz NFT_CMP_{0}Nri r r r r �cparser_cmp_op� s ro N)r! r" r# rQ rc r r_ ro r r r r rk � s �rk c @ s. e Zd Zejedddd�edddd�f ZdS )� ExprImmediaterh ZNFTA_IMMEDIATE_DREGr r4 ZNFTA_IMMEDIATE_DATAN�r! r" r# rQ rc r r r r r rp � s �rp c @ sX e Zd Zejedddd�edddd�edddd �ed d d d �f ZG d d � d ej�ZdS )� ExprPayloadrh ZNFTA_PAYLOAD_DREGr �baseZNFTA_PAYLOAD_BASEZ payload_base�offsetZNFTA_PAYLOAD_OFFSETrT rA ZNFTA_PAYLOAD_LENc sL e Zd ZdZe� fdd��Ze� fdd��Zedd� �Zedd � �Z � Z S ) z ExprPayload.cparser_payload_basezNFT_PAYLOAD_{0}_HEADERc s" t tj| ��|�}|dkr dS |S )N�ll�link)rU rr �cparser_payload_baser )r r- r rW r r r � s �z-ExprPayload.cparser_payload_base.from_netlinkc s |dkr d}t tj| ��|�S )Nrv ru )rU rr rw r r rW r r r s z+ExprPayload.cparser_payload_base.to_netlinkc C s | S r r r? r r r r s z*ExprPayload.cparser_payload_base.from_dictc C s | S r r r? r r r r s z(ExprPayload.cparser_payload_base.to_dict) r! r" r# rZ r$ r r r% r r re r r rW r rw � s rw N)r! r" r# rQ rc r r_ rw r r r r rr � s �rr c @ s: e Zd Zejedddd�edddd�edd dd�f Zd S ) � ExprLookupZsetidZNFTA_LOOKUP_SET�setrT rl ZNFTA_LOOKUP_SREGr �flagsZNFTA_LOOKUP_FLAGSNrq r r r r rx s �rx c @ sX e Zd Zejedddd�edddd�edddd�ed d d d�f ZG d d � d ej�Zd S )�ExprNatZnat_typeZ NFTA_NAT_TYPE�familyZNFTA_NAT_FAMILYZ inet_familyZ sreg_addr_minZNFTA_NAT_REG_ADDR_MINr Z sreg_addr_maxZNFTA_NAT_REG_ADDR_MAXc @ s e Zd ZdZdS )zExprNat.cparser_nat_typez NFT_NAT_{0}Nri r r r r �cparser_nat_type$ s r} N)r! r" r# rQ rc r r_ r} r r r r r{ s ��� r{ c @ sR e Zd Zejedddd�edddd�edddd�ed d d d �ed d d d �f ZdS )� ExprBitwiserl ZNFTA_BITWISE_SREGr rh ZNFTA_BITWISE_DREGrA ZNFTA_BITWISE_LENrT �maskZNFTA_BITWISE_MASKr4 �xorZNFTA_BITWISE_XORNrq r r r r r~ ( s �r~ c @ s. e Zd Zejedddd�edddd�f ZdS )� ExprCounterr< ZNFTA_COUNTER_BYTESrT ZpacketsZNFTA_COUNTER_PACKETSZpktsNrq r r r r r� 2 s �r� c @ s" e Zd Zejedddd�f ZdS )� ExprMatchZ match_nameZNFTA_MATCH_NAMErR rT Nrq r r r r r� 9 s �r� c @ s" e Zd Zejedddd�f ZdS )� ExprTargetZ target_nameZNFTA_TARGET_NAMErR rT Nrq r r r r r� ? s �r� ) �meta�cmpZ immediate�payload�lookupZnatZbitwise�counter�match�targetc C sL | � d�}z t| }W n" ty8 td�|| ���Y n0 |�|| � d��S )NrS z/can't load rule expression {0} from netlink {1}ZNFTA_EXPR_DATA)r, �NFTA_EXPR_NAME_MAP�KeyErrorr9 r r )r- rR �expr_clsr r r �get_expression_from_netlinkS s �� r� c C s4 | d }|t v rt | }ntd�|| ���|�| �S )Nr3 z,can't load rule expression {0} from json {1})r� r9 r r )r1 rR r� r r r �get_expression_from_dict` s �r� N)�__doc__�socketr r Z pyroute2.nftables.parser.parserr r rd r r& r2 rQ rf rk rp rr rx r{ r~ r� r� r� r� r� r� r r r r �<module> s: !CA # �
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