a h]@sddlmZmZddlmZddlZddlZddlZddlm Z m Z m Z m Z ddl mZmZddlmZeededeeeeefeffd d d Zd d ZeeddddZddZeeeefejeeeedffdddZejedddZdS))UnionLiteral)PathN)err_exit print_listedprint_fail2ban_listedwarn)is_exewhich)yellow)APFCSFipset+fail2ban)/usr/local/sbin/apf /usr/sbin/csfN)returncCstdrd}td}d}n@tdr4d}td}d}n&tdrRtdrRd }d }d }ntd |d urntt}n4z|jd d }Wn"tytd|dYn0|||fS)aYields a tuple of fw_name, fw_command, fw_data. fw_name will be "APF", "CSF", or "ipset+fail2ban". If fw_name was "APF" or "CSF", fw_command will be the path to its exe. If fw_name was "APF" or "CSF", fw_data will be the contents of its deny file. Otherwise, fw_data will be a list of dicts containing "listname" and "ip". Returns: tuple[str, str | None, list[dict[str, str] | None]]: see above rz/etc/apf/deny_hosts.rulesr rz/etc/csf/csf.denyr z/usr/bin/fail2ban-clientipsetrNzCannot identify firewallutf-8encodingz Cannot read z. Firewall is misconfigured.)r rr rlistread_ipset_save read_textFileNotFoundError)Zfw_cmdZ deny_filenameZ deny_datar#./opt/support/lib/firewall_tools.pyfw_info s(  rccsntd}tjddgdtjdd8}|jD] }||}r*|Vq*Wdn1s`0YdS)Nz4add (?P[a-zA-Z0-9\-_]+) (?P[0-9\./]+)$rZsaverT)rstdoutZuniversal_newlines) recompile subprocessPopenPIPErmatchrstrip groupdict)Zirgxprocliner$rrrr5s  r)ACCEPTZDROPZDENYUNKNOWN)listnamerc Csztd}td}td}|jdd}|D]D}||}r0|d|kr0||}r0|d}|dkr0|Sq0dS) z;Check whether an ipset list is set to ACCEPT, DROP, or DENYz--match-set ([a-z0-9\-\_]+)z -j ([A-Z]+)/etc/sysconfig/iptablesrrrZDOCKERr*rr rr splitlinesfindall) r+Zset_reZ action_re iptables_fileiptablesr(Z set_matchZ action_matchactionrrripset_list_actionBs    r3c cstd}td}td}|jdd}|D]`}d|vr0d|vr0||}|sTq0|d}d |vr||}|r|d}||fVq0|d fVq0dS) Nz--match-set ([a-z0-9\-]+)z--dports ([0-9\,]+)r,rrZINPUTZf2brZ multiportALLr-) Zjail_reZports_rer0r1r(Z jail_match jail_nameZ port_matchZportsrrrget_jail_portsSs      r6)fw_dataipaddrrc Cs tt}g}g}d}|D]J}z,|t|dv}|rH|d}||WqtjybYqYq0q|szt|dddSd}|D]}t|}t|dd|d |d |d r| d d } | |d } || t || | q|dkrt |dt ddSq||fS)aCheck deny_data ``fw_info()`` for an IP address. If found, return whether it's blocked and in what fail2ban list if it was automatically blocked Args: fw_data (list[dict[str, str]]): third arg returned by ``fw_info()`` ipaddr (netaddr.IPAddress): IP address to check Returns: tuple[bool, str | None]]: if blocked and in what fail2ban list if any NZipr+Fzany ipset or fail2ban list)FNTzthe  z listzf2b-r4r)z# is NOT BLOCKED. It is whitelisted.)Zcolor)dictr6netaddrZ IPNetworkappendZAddrFormatErrorrr3 startswithreplacegetrrr ) r7r8Z jail_port_mapZ within_listsZ within_jailsZ list_nameZtnetZlistedZ list_actionr5Z jail_portsrrripset_fail2ban_checkgs>       rA)r8rc Csfztjddgdd}Wn ttjfy6tdYn0|D] }|ds@t||vr@dSq@dS) zTSearch iptables -nL for a line containing an IP which does not start with ACCEPTr1z-nLrrzcould not run iptables -nLr)TF)r!Z check_outputOSErrorZCalledProcessErrorrr.r>str)r8r7r(rrrcheck_iptabless rD)typingrrpathlibrrr!r<outputrrrrZrun_cmdr r Z rads.colorr tuplerr;rCrrr3r6Z IPAddressboolrArDrrrrs,  *  3