diff options
| author | Phil Sutter <phil@nwl.cc> | 2021-07-23 17:39:55 +0200 |
|---|---|---|
| committer | Phil Sutter <phil@nwl.cc> | 2022-03-01 10:54:03 +0100 |
| commit | 62a956986949d20a7f646ddca885c19c3b136416 (patch) | |
| tree | 91cbcaeb13b8d5eca7ce6c6ce738666da96ef3b8 /src/scanner.l | |
| parent | a060d912e55a170cda34c68154a76c7e4370d334 (diff) | |
scanner: dst, frag, hbh, mh: Move to own scopes
These are the remaining IPv6 extension header expressions, only rt
expression was scoped already.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Diffstat (limited to 'src/scanner.l')
| -rw-r--r-- | src/scanner.l | 36 |
1 files changed, 25 insertions, 11 deletions
diff --git a/src/scanner.l b/src/scanner.l index 7c4d8b7f..e632d825 100644 --- a/src/scanner.l +++ b/src/scanner.l @@ -214,10 +214,14 @@ addrstring ({macaddr}|{ip4addr}|{ip6addr}) %s SCANSTATE_EXPR_AH %s SCANSTATE_EXPR_COMP %s SCANSTATE_EXPR_DCCP +%s SCANSTATE_EXPR_DST %s SCANSTATE_EXPR_ESP %s SCANSTATE_EXPR_FIB +%s SCANSTATE_EXPR_FRAG %s SCANSTATE_EXPR_HASH +%s SCANSTATE_EXPR_HBH %s SCANSTATE_EXPR_IPSEC +%s SCANSTATE_EXPR_MH %s SCANSTATE_EXPR_NUMGEN %s SCANSTATE_EXPR_OSF %s SCANSTATE_EXPR_QUEUE @@ -440,7 +444,7 @@ addrstring ({macaddr}|{ip4addr}|{ip6addr}) "typeof" { return TYPEOF; } "vlan" { scanner_push_start_cond(yyscanner, SCANSTATE_VLAN); return VLAN; } -"id" { return ID; } +<SCANSTATE_CT,SCANSTATE_EXPR_FRAG,SCANSTATE_VLAN,SCANSTATE_IP,SCANSTATE_ICMP>"id" { return ID; } <SCANSTATE_VLAN>{ "cfi" { return CFI; } "dei" { return DEI; } @@ -462,16 +466,22 @@ addrstring ({macaddr}|{ip4addr}|{ip6addr}) <SCANSTATE_IP,SCANSTATE_IP6,SCANSTATE_EXPR_OSF>{ "version" { return HDRVERSION; } } -"hdrlength" { return HDRLENGTH; } +<SCANSTATE_EXPR_AH,SCANSTATE_EXPR_DST,SCANSTATE_EXPR_HBH,SCANSTATE_EXPR_MH,SCANSTATE_EXPR_RT,SCANSTATE_IP>{ + "hdrlength" { return HDRLENGTH; } +} "dscp" { return DSCP; } "ecn" { return ECN; } "length" { return LENGTH; } -"frag-off" { return FRAG_OFF; } +<SCANSTATE_EXPR_FRAG,SCANSTATE_IP>{ + "frag-off" { return FRAG_OFF; } +} <SCANSTATE_EXPR_OSF,SCANSTATE_IP>{ "ttl" { return TTL; } } "protocol" { return PROTOCOL; } -"checksum" { return CHECKSUM; } +<SCANSTATE_EXPR_MH,SCANSTATE_EXPR_UDP,SCANSTATE_EXPR_UDPLITE,SCANSTATE_ICMP,SCANSTATE_IGMP,SCANSTATE_IP,SCANSTATE_SCTP,SCANSTATE_TCP>{ + "checksum" { return CHECKSUM; } +} <SCANSTATE_IP>{ "lsrr" { return LSRR; } @@ -553,7 +563,9 @@ addrstring ({macaddr}|{ip4addr}|{ip6addr}) "nexthdr" { return NEXTHDR; } "ah" { scanner_push_start_cond(yyscanner, SCANSTATE_EXPR_AH); return AH; } -"reserved" { return RESERVED; } +<SCANSTATE_EXPR_AH,SCANSTATE_EXPR_FRAG,SCANSTATE_EXPR_MH,SCANSTATE_TCP>{ + "reserved" { return RESERVED; } +} <SCANSTATE_EXPR_AH,SCANSTATE_EXPR_ESP,SCANSTATE_EXPR_IPSEC>"spi" { return SPI; } "esp" { scanner_push_start_cond(yyscanner, SCANSTATE_EXPR_ESP); return ESP; } @@ -634,15 +646,17 @@ addrstring ({macaddr}|{ip4addr}|{ip6addr}) "tag" { return TAG; } "sid" { return SID; } -"hbh" { return HBH; } +"hbh" { scanner_push_start_cond(yyscanner, SCANSTATE_EXPR_HBH); return HBH; } -"frag" { return FRAG; } -"reserved2" { return RESERVED2; } -"more-fragments" { return MORE_FRAGMENTS; } +"frag" { scanner_push_start_cond(yyscanner, SCANSTATE_EXPR_FRAG); return FRAG; } +<SCANSTATE_EXPR_FRAG>{ + "reserved2" { return RESERVED2; } + "more-fragments" { return MORE_FRAGMENTS; } +} -"dst" { return DST; } +"dst" { scanner_push_start_cond(yyscanner, SCANSTATE_EXPR_DST); return DST; } -"mh" { return MH; } +"mh" { scanner_push_start_cond(yyscanner, SCANSTATE_EXPR_MH); return MH; } "meta" { return META; } "mark" { return MARK; } |