Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Cast ports and some other field to integer. #2

Open
wants to merge 1 commit into
base: master
Choose a base branch
from
Open

Cast ports and some other field to integer. #2

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
19 changes: 10 additions & 9 deletions iptables.patterns
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,28 +1,29 @@
UNSIGNED_INT [0-9]+
IPTABLES_ETHERNET IN=%{WORD:in_device} OUT=%{WORD:out_device}? MAC=(?:[^\s]+)
IPTABLES_ETHERNET IN=%{WORD:in_device}? OUT=%{WORD:out_device}?

IPTABLES_PORT_PAIR SPT=%{UNSIGNED_INT:src_port} DPT=%{UNSIGNED_INT:dst_port}
IPTABLES_PORT_PAIR SPT=%{UNSIGNED_INT:src_port:int} DPT=%{UNSIGNED_INT:dst_port:int}

IPTABLES_TCP_FLAGS ((?<= )(CWR|ECE|URG|ACK|PSH|RST|SYN|FIN))*
IPTABLES_TCP_SEQ SEQ=%{UNSIGNED_INT:seq_seq} ACK=%{UNSIGNED_INT:seq_ack}
IPTABLES_TCP_DETAILS (?:%{IPTABLES_TCP_SEQ} )?WINDOW=%{UNSIGNED_INT:window} RES=0x%{BASE16NUM:res} %{IPTABLES_TCP_FLAGS:tcp_flags}
IPTABLES_TCP_SEQ SEQ=%{UNSIGNED_INT:seq_seq:int} ACK=%{UNSIGNED_INT:seq_ack:int}
IPTABLES_TCP_DETAILS (?:%{IPTABLES_TCP_SEQ} )?WINDOW=%{UNSIGNED_INT:window:int} RES=0x%{BASE16NUM:res} %{IPTABLES_TCP_FLAGS:tcp_flags}
IPTABLES_INCOMPLETE_PACKET INCOMPLETE \[%{UNSIGNED_INT:incomplete} bytes\]

IPTABLES_UDP_DETAILS LEN=%{UNSIGNED_INT:udp_len}
IPTABLES_UDP_DETAILS LEN=%{UNSIGNED_INT:udp_len:int}

IPTABLES_ICMP_EXTRA_ECHO ID=%{UNSIGNED_INT:icmp_id} SEQ=%{UNSIGNED_INT:icmp_seq}
IPTABLES_ICMP_EXTRA_ECHO ID=%{UNSIGNED_INT:icmp_id:int} SEQ=%{UNSIGNED_INT:icmp_seq:int}
IPTABLES_ICMP_EXTRA_PARAM PARAMETER=%{UNSIGNED_INT:icmp_parameter}
IPTABLES_ICMP_EXTRA_REDIRECT GATEWAY=%{IP:icmp_redirect}
IPTABLES_ICMP_EXTRA ( (?:%{IPTABLES_ICMP_EXTRA_ECHO}|%{IPTABLES_ICMP_EXTRA_PARAM}|%{IPTABLES_ICMP_EXTRA_REDIRECT}))*

IPTABLES_ICMP_DETAILS TYPE=%{UNSIGNED_INT:icmp_type} CODE=%{UNSIGNED_INT:icmp_code}(( %{IPTABLES_INCOMPLETE_PACKET})|%{IPTABLES_ICMP_EXTRA})
IPTABLES_ICMP_DETAILS TYPE=%{UNSIGNED_INT:icmp_type:int} CODE=%{UNSIGNED_INT:icmp_code:int}(( %{IPTABLES_INCOMPLETE_PACKET})|%{IPTABLES_ICMP_EXTRA})

IPTABLES_PROTOCOL PROTO=(?<proto>[a-zA-Z0-9]+)

IPTABLES_IP_PAYLOAD %{IPTABLES_PROTOCOL}( %{IPTABLES_PORT_PAIR})?( (%{IPTABLES_TCP_DETAILS}|%{IPTABLES_UDP_DETAILS}|%{IPTABLES_ICMP_DETAILS}|%{IPTABLES_INCOMPLETE_PACKET}))?

IPTABLES_IP_FRAGFLAG ((?<= )(CE|DF|MF))*
IPTABLES_IP_START SRC=%{IP:src_ip} DST=%{IP:dst_ip} LEN=%{UNSIGNED_INT:length} TOS=0x%{BASE16NUM:tos} PREC=0x%{BASE16NUM:prec} TTL=%{UNSIGNED_INT:ttl} ID=%{UNSIGNED_INT:id}(?: %{IPTABLES_IP_FRAGFLAG:fragment_flags})?(?: FRAG: %{UNSIGNED_INT:fragment})?
IPTABLES_IP_START SRC=%{IP:src_ip} DST=%{IP:dst_ip} LEN=%{UNSIGNED_INT:length:int} TOS=0x%{BASE16NUM:tos} PREC=0x%{BASE16NUM:prec} TTL=%{UNSIGNED_INT:ttl:int} ID=%{UNSIGNED_INT:id}(?: %{IPTABLES_IP_FRAGFLAG:fragment_flags})?(?: FRAG: %{UNSIGNED_INT:fragment})?
IPTABLES_IP %{IPTABLES_IP_START} %{IPTABLES_IP_PAYLOAD}

IPTABLES %{IPTABLES_ETHERNET} %{IPTABLES_IP}
IPTABLES %{IPTABLES_ETHERNET}(.*)?%{IPTABLES_IP}