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