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-rw-r--r--src/scanner.l15
1 files changed, 9 insertions, 6 deletions
diff --git a/src/scanner.l b/src/scanner.l
index b1b03b95..509b1b0d 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_ARP
%s SCANSTATE_CT
%s SCANSTATE_ETH
%s SCANSTATE_IP
@@ -405,12 +406,14 @@ addrstring ({macaddr}|{ip4addr}|{ip6addr})
"cfi" { return CFI; }
"pcp" { return PCP; }
-"arp" { return ARP; }
-"htype" { return HTYPE; }
-"ptype" { return PTYPE; }
-"hlen" { return HLEN; }
-"plen" { return PLEN; }
-"operation" { return OPERATION; }
+"arp" { scanner_push_start_cond(yyscanner, SCANSTATE_ARP); return ARP; }
+<SCANSTATE_ARP>{
+ "htype" { return HTYPE; }
+ "ptype" { return PTYPE; }
+ "hlen" { return HLEN; }
+ "plen" { return PLEN; }
+ "operation" { return OPERATION; }
+}
"ip" { scanner_push_start_cond(yyscanner, SCANSTATE_IP); return IP; }
"version" { return HDRVERSION; }