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Don't crash if "wlan addr{1,2,3,4}" are used without 802.11 headers.

This commit is contained in:
Guy Harris 2010-07-03 10:58:48 -07:00
parent 85089fea57
commit ccbfd9200e
1 changed files with 64 additions and 0 deletions
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64
gencode.c
View File

@ -3785,6 +3785,22 @@ gen_ehostop(eaddr, dir)
b1 = gen_ehostop(eaddr, Q_DST);
gen_or(b0, b1);
return b1;
case Q_ADDR1:
bpf_error("'addr1' is only supported on 802.11 with 802.11 headers");
break;
case Q_ADDR2:
bpf_error("'addr2' is only supported on 802.11 with 802.11 headers");
break;
case Q_ADDR3:
bpf_error("'addr3' is only supported on 802.11 with 802.11 headers");
break;
case Q_ADDR4:
bpf_error("'addr4' is only supported on 802.11 with 802.11 headers");
break;
}
abort();
/* NOTREACHED */
@ -3827,6 +3843,22 @@ gen_fhostop(eaddr, dir)
b1 = gen_fhostop(eaddr, Q_DST);
gen_or(b0, b1);
return b1;
case Q_ADDR1:
bpf_error("'addr1' is only supported on 802.11");
break;
case Q_ADDR2:
bpf_error("'addr2' is only supported on 802.11");
break;
case Q_ADDR3:
bpf_error("'addr3' is only supported on 802.11");
break;
case Q_ADDR4:
bpf_error("'addr4' is only supported on 802.11");
break;
}
abort();
/* NOTREACHED */
@ -3861,6 +3893,22 @@ gen_thostop(eaddr, dir)
b1 = gen_thostop(eaddr, Q_DST);
gen_or(b0, b1);
return b1;
case Q_ADDR1:
bpf_error("'addr1' is only supported on 802.11");
break;
case Q_ADDR2:
bpf_error("'addr2' is only supported on 802.11");
break;
case Q_ADDR3:
bpf_error("'addr3' is only supported on 802.11");
break;
case Q_ADDR4:
bpf_error("'addr4' is only supported on 802.11");
break;
}
abort();
/* NOTREACHED */
@ -4251,6 +4299,22 @@ gen_ipfchostop(eaddr, dir)
b1 = gen_ipfchostop(eaddr, Q_DST);
gen_or(b0, b1);
return b1;
case Q_ADDR1:
bpf_error("'addr1' is only supported on 802.11");
break;
case Q_ADDR2:
bpf_error("'addr2' is only supported on 802.11");
break;
case Q_ADDR3:
bpf_error("'addr3' is only supported on 802.11");
break;
case Q_ADDR4:
bpf_error("'addr4' is only supported on 802.11");
break;
}
abort();
/* NOTREACHED */