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nftables.cpython-310.pyc
o zbY8 @ sD d dl Z d dlT d dlZd dlZdZG dd dZG dd dZdS ) N)*z0.1c @ s e Zd ZdZdd Zdd ZdS )SchemaValidatorz+Libnftables JSON validator using jsonschemac C s^ t jt jtd}t|d}t|| _W d n1 s!w Y dd l }|| _ d S )Nz schema.jsonrr ) ospathjoindirname__file__openjsonloadschema jsonschema)self schema_path schema_filer r 3/usr/lib/python3/dist-packages/nftables/nftables.py__init__ s zSchemaValidator.__init__c C s | j j|| jd d S )N)instancer )r validater )r r r r r r " s zSchemaValidator.validateN)__name__ __module__ __qualname____doc__r r r r r r r s r c @ sP e Zd ZdZdddddddd Zdddddddd d d d dd ZdZdTddZdd Zdd Z dd Z dd Z d d Z d d Z d d! Zd"d# Zd$d% Zd&d' Zd(d) Zd*d+ Zd,d- Zd.d/ Zd0d1 Zd2d3 Zd4d5 Zd6d7 Zd8d9 Zd:d; Zd<d= Z d>d? Z d@dA Z dBdC Z dDdE Z dFdG Z!dHdI Z"dJdK Z#dLdM Z$dNdO Z%dPdQ Z&dRdS Z'dS )UNftablesz*A class representing libnftables interface @ )scannerparserevalnetlinkmnlz proto-ctxsegtree i i i ) reversednsservice statelesshandler echoguid numeric_proto numeric_prionumeric_symbol numeric_timeterseNlibnftables.so.1c C s> t |}|j| _t| j_tg| j_|j| _t| j_tg| j_|j | _ ttg| j _|j | _ t| j _tg| j _|j | _ ttg| j _|j | _ t| j _tg| j _|j | _ t| j _tg| j _|j| _t| j_tg| j_|j| _t| j_tg| j_|j| _t| j_ttg| j_|j| _tg|j_| d| _| | j | | j dS )al Instantiate a new Nftables class object. Accepts a shared object file to open, by default standard search path is searched for a file named 'libnftables.so'. After loading the library using ctypes module, a new nftables context is requested from the library and buffering of output and error streams is turned on. r N)cdll LoadLibrary nft_ctx_newc_void_prestypec_intargtypesnft_ctx_output_get_flagsc_uintnft_ctx_output_set_flagsnft_ctx_output_get_debugnft_ctx_output_set_debugnft_ctx_buffer_outputnft_ctx_get_output_bufferc_char_pnft_ctx_buffer_errornft_ctx_get_error_buffernft_run_cmd_from_buffer nft_ctx_free_Nftables__ctx)r sofilelibr r r r C sD zNftables.__init__c C s | | j d S N)rI rJ r r r r __del__ s zNftables.__del__c C s | j | }| | j|@ S rM ) output_flagsr> rJ )r nameflagr r r __get_output_flag s zNftables.__get_output_flagc C sD | j | }| | j}|r||B }n|| @ }| | j| ||@ S rM )rP r> rJ r@ )r rQ valrR flags new_flagsr r r __set_output_flag s zNftables.__set_output_flagc C | dS )zGet the current state of reverse DNS output. Returns a boolean indicating whether reverse DNS lookups are performed for IP addresses in output. r+ _Nftables__get_output_flagrN r r r get_reversedns_output z Nftables.get_reversedns_outputc C | d|S )zEnable or disable reverse DNS output. Accepts a boolean turning reverse DNS lookups in output on or off. Returns the previous value. r+ _Nftables__set_output_flagr rT r r r set_reversedns_output z Nftables.set_reversedns_outputc C rX )zGet the current state of service name output. Returns a boolean indicating whether service names are used for port numbers in output or not. r, rY rN r r r get_service_output r\ zNftables.get_service_outputc C r] )zEnable or disable service name output. Accepts a boolean turning service names for port numbers in output on or off. Returns the previous value. r, r^ r` r r r set_service_output zNftables.set_service_outputc C rX )zGet the current state of stateless output. Returns a boolean indicating whether stateless output is active or not. r- rY rN r r r get_stateless_output z Nftables.get_stateless_outputc C r] )zEnable or disable stateless output. Accepts a boolean turning stateless output either on or off. Returns the previous value. r- r^ r` r r r set_stateless_output rb z Nftables.set_stateless_outputc C rX )z~Get the current state of handle output. Returns a boolean indicating whether handle output is active or not. r. rY rN r r r get_handle_output rg zNftables.get_handle_outputc C r] )zEnable or disable handle output. Accepts a boolean turning handle output on or off. Returns the previous value. r. r^ r` r r r set_handle_output rb zNftables.set_handle_outputc C rX )zzGet the current state of JSON output. Returns a boolean indicating whether JSON output is active or not. r rY rN r r r get_json_output rg zNftables.get_json_outputc C r] )zEnable or disable JSON output. Accepts a boolean turning JSON output either on or off. Returns the previous value. r r^ r` r r r set_json_output rb zNftables.set_json_outputc C rX )zzGet the current state of echo output. Returns a boolean indicating whether echo output is active or not. r/ rY rN r r r get_echo_output rg zNftables.get_echo_outputc C r] )zEnable or disable echo output. Accepts a boolean turning echo output on or off. Returns the previous value. r/ r^ r` r r r set_echo_output rb zNftables.set_echo_outputc C rX )zGet the current state of GID/UID output. Returns a boolean indicating whether names for group/user IDs are used in output or not. r0 rY rN r r r get_guid_output r\ zNftables.get_guid_outputc C r] )zEnable or disable GID/UID output. Accepts a boolean turning names for group/user IDs on or off. Returns the previous value. r0 r^ r` r r r set_guid_output rb zNftables.set_guid_outputc C rX )ztGet current status of numeric protocol output flag. Returns a boolean value indicating the status. r1 rY rN r r r get_numeric_proto_output rg z!Nftables.get_numeric_proto_outputc C r] )zSet numeric protocol output flag. Accepts a boolean turning numeric protocol output either on or off. Returns the previous value. r1 r^ r` r r r set_numeric_proto_output rb z!Nftables.set_numeric_proto_outputc C rX )zzGet current status of numeric chain priority output flag. Returns a boolean value indicating the status. r2 rY rN r r r get_numeric_prio_output rg z Nftables.get_numeric_prio_outputc C r] )zSet numeric chain priority output flag. Accepts a boolean turning numeric chain priority output either on or off. Returns the previous value. r2 r^ r` r r r set_numeric_prio_output re z Nftables.set_numeric_prio_outputc C rX )zsGet current status of numeric symbols output flag. Returns a boolean value indicating the status. r3 rY rN r r r get_numeric_symbol_output% rg z"Nftables.get_numeric_symbol_outputc C r] )zSet numeric symbols output flag. Accepts a boolean turning numeric representation of symbolic constants in output either on or off. Returns the previous value. r3 r^ r` r r r set_numeric_symbol_output, re z"Nftables.set_numeric_symbol_outputc C rX )zqGet current status of numeric times output flag. Returns a boolean value indicating the status. r4 rY rN r r r get_numeric_time_output6 rg z Nftables.get_numeric_time_outputc C r] )zSet numeric times output flag. Accepts a boolean turning numeric representation of time values in output either on or off. Returns the previous value. r4 r^ r` r r r set_numeric_time_output= re z Nftables.set_numeric_time_outputc C rX )z|Get the current state of terse output. Returns a boolean indicating whether terse output is active or not. r5 rY rN r r r get_terse_outputG rg zNftables.get_terse_outputc C r] )zEnable or disable terse output. Accepts a boolean turning terse output either on or off. Returns the previous value. r5 r^ r` r r r set_terse_outputN rb zNftables.set_terse_outputc C sR | | j}g }| j D ]\}}||@ r || || M }q |r'|| |S )zmGet currently active debug flags. Returns a set of flag names. See set_debug() for details. )rA rJ debug_flagsitemsappend)r rT namesnvr r r get_debugW s zNftables.get_debugc C s\ | }t|ttfv r|g}d}|D ]}t|tu r | j| }||O }q| | j| |S )a Set debug output flags. Accepts either a single flag or a set of flags. Each flag might be given either as string or integer value as shown in the following table: Name | Value (hex) ----------------------- scanner | 0x1 parser | 0x2 eval | 0x4 netlink | 0x8 mnl | 0x10 proto-ctx | 0x20 segtree | 0x40 Returns a set of previously active debug flags, as returned by get_debug() method. r )r typestrintr{ rB rJ )r valuesoldrT r r r r set_debugh s zNftables.set_debugc C sd d}t |tsd}|d}| | j|}| | j}| | j}|r-|d}|d}|||fS )a Run a simple nftables command via libnftables. Accepts a string containing an nftables command just like what one would enter into an interactive nftables (nft -i) session. Returns a tuple (rc, output, error): rc -- return code as returned by nft_run_cmd_from_buffer() fuction output -- a string containing output written to stdout error -- a string containing output written to stderr FTzutf-8) isinstancebytesencoderH rJ rD rG decode)r cmdlinecmdline_is_unicodercoutputerrorr r r cmd s z Nftables.cmdc C sJ | d}| t|\}}}|s| | t|r t|}|||fS )ai Run an nftables command in JSON syntax via libnftables. Accepts a hash object as input. Returns a tuple (rc, output, error): rc -- return code as returned by nft_run_cmd_from_buffer() function output -- a hash object containing library standard output error -- a string containing output written to stderr T)rl r r dumpslenloads)r json_root json_out_oldr r r r r r json_cmd s zNftables.json_cmdc C s | j st | _ | j | dS )zValidate JSON object against libnftables schema. Accepts a hash object as input. Returns True if JSON is valid, raises an exception otherwise. T) validatorr r )r r r r r json_validate s zNftables.json_validate)r6 )(r r r r r{ rP r r rO rZ r_ r[ ra rc rd rf rh ri rj rk rl rm rn ro rp rq rr rs rt ru rv rw rx ry rz r r r r r r r r r r % sr < # r )r ctypessysr NFTABLES_VERSIONr r r r r r <module> s