diff options
| -rw-r--r-- | doc/payload-expression.txt | 8 | ||||
| -rw-r--r-- | src/parser_bison.y | 3 |
2 files changed, 7 insertions, 4 deletions
diff --git a/doc/payload-expression.txt b/doc/payload-expression.txt index 7bc24a8a..2a155aa8 100644 --- a/doc/payload-expression.txt +++ b/doc/payload-expression.txt @@ -808,16 +808,16 @@ TCP option matching also supports raw expression syntax to access arbitrary opti |Keyword| Description | IP option fields |lsrr| Loose Source Route | -type, length, ptr, addr +length, ptr, addr |ra| Router Alert | -type, length, value +length, value |rr| Record Route | -type, length, ptr, addr +length, ptr, addr |ssrr| Strict Source Route | -type, length, ptr, addr +length, ptr, addr |============================ .finding TCP options diff --git a/src/parser_bison.y b/src/parser_bison.y index c8714812..d15bf212 100644 --- a/src/parser_bison.y +++ b/src/parser_bison.y @@ -5698,6 +5698,9 @@ ip_hdr_expr : IP ip_hdr_field close_scope_ip erec_queue(error(&@1, "unknown ip option type/field"), state->msgs); YYERROR; } + + if ($4 == IPOPT_FIELD_TYPE) + $$->exthdr.flags = NFT_EXTHDR_F_PRESENT; } | IP OPTION ip_option_type close_scope_ip { |