From 595e79b1ccdfa6b11cd6c2b1c8eda0161b58d22a Mon Sep 17 00:00:00 2001
From: Phil Sutter <psutter@redhat.com>
Date: Tue, 13 Jul 2021 13:54:12 +0200
Subject: [PATCH] scanner: sctp: Move to own scope
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1979334
Upstream Status: nftables commit 0925d7e214825
Conflicts: Context change due to missing other scopes.
commit 0925d7e214825628e7db4a86d5ebbad578ab0777
Author: Phil Sutter <phil@nwl.cc>
Date: Tue May 4 13:06:32 2021 +0200
scanner: sctp: Move to own scope
This isolates only "vtag" token for now.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Reviewed-by: Florian Westphal <fw@strlen.de>
---
include/parser.h | 1 +
src/parser_bison.y | 5 +++--
src/scanner.l | 8 ++++++--
3 files changed, 10 insertions(+), 4 deletions(-)
diff --git a/include/parser.h b/include/parser.h
index 1d293f5..2e6ef4d 100644
--- a/include/parser.h
+++ b/include/parser.h
@@ -30,6 +30,7 @@ struct parser_state {
enum startcond_type {
PARSER_SC_BEGIN,
+ PARSER_SC_SCTP,
PARSER_SC_EXPR_HASH,
PARSER_SC_EXPR_NUMGEN,
};
diff --git a/src/parser_bison.y b/src/parser_bison.y
index 9a9447f..beb5995 100644
--- a/src/parser_bison.y
+++ b/src/parser_bison.y
@@ -842,6 +842,7 @@ opt_newline : NEWLINE
close_scope_hash : { scanner_pop_start_cond(nft->scanner, PARSER_SC_EXPR_HASH); };
close_scope_numgen : { scanner_pop_start_cond(nft->scanner, PARSER_SC_EXPR_NUMGEN); };
+close_scope_sctp : { scanner_pop_start_cond(nft->scanner, PARSER_SC_SCTP); };
common_block : INCLUDE QUOTED_STRING stmt_separator
{
@@ -4059,7 +4060,7 @@ primary_rhs_expr : symbol_expr { $$ = $1; }
BYTEORDER_HOST_ENDIAN,
sizeof(data) * BITS_PER_BYTE, &data);
}
- | SCTP
+ | SCTP close_scope_sctp
{
uint8_t data = IPPROTO_SCTP;
$$ = constant_expr_alloc(&@$, &inet_protocol_type,
@@ -4782,7 +4783,7 @@ dccp_hdr_field : SPORT { $$ = DCCPHDR_SPORT; }
| TYPE { $$ = DCCPHDR_TYPE; }
;
-sctp_hdr_expr : SCTP sctp_hdr_field
+sctp_hdr_expr : SCTP sctp_hdr_field close_scope_sctp
{
$$ = payload_expr_alloc(&@$, &proto_sctp, $2);
}
diff --git a/src/scanner.l b/src/scanner.l
index 68fe988..b79ae55 100644
--- a/src/scanner.l
+++ b/src/scanner.l
@@ -196,6 +196,7 @@ addrstring ({macaddr}|{ip4addr}|{ip6addr})
%option nodefault
%option warn
%option stack
+%s SCANSTATE_SCTP
%s SCANSTATE_EXPR_HASH
%s SCANSTATE_EXPR_NUMGEN
@@ -488,8 +489,11 @@ addrstring ({macaddr}|{ip4addr}|{ip6addr})
"dccp" { return DCCP; }
-"sctp" { return SCTP; }
-"vtag" { return VTAG; }
+"sctp" { scanner_push_start_cond(yyscanner, SCANSTATE_SCTP); return SCTP; }
+
+<SCANSTATE_SCTP>{
+ "vtag" { return VTAG; }
+}
"rt" { return RT; }
"rt0" { return RT0; }
--
2.31.1