community
/
dns
3
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add DNSSEC parsing

This commit is contained in:
Miek Gieben 2011-07-14 23:55:06 +02:00
parent 6c4045c3a0
commit f759f6f8d9
3 changed files with 27864 additions and 658 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
types.rl
View File

@ -28,4 +28,30 @@
r.(*RR_MX).Pref = uint16(num[0])
r.(*RR_MX).Mx = txt[0]
}
action rdata_ds {
r.(*RR_DS).Hdr = *hdr;
r.(*RR_DS).KeyTag = uint16(num[0])
r.(*RR_DS).Algorithm = uint8(num[1])
r.(*RR_DS).DigestType = uint8(num[2])
r.(*RR_DS).Digest = txt[0]
}
action rdata_dnskey {
r.(*RR_DNSKEY).Hdr = *hdr;
r.(*RR_DNSKEY).Flags = uint16(num[0])
r.(*RR_DNSKEY).Protocol = uint8(num[1])
r.(*RR_DNSKEY).Algorithm = uint8(num[2])
r.(*RR_DNSKEY).PublicKey = txt[0]
}
action rdata_rrsig {
r.(*RR_RRSIG).Hdr = *hdr;
r.(*RR_RRSIG).TypeCovered = uint16(num[0])
r.(*RR_RRSIG).Algorithm = uint8(num[1])
r.(*RR_RRSIG).Labels = uint8(num[2])
r.(*RR_RRSIG).OrigTtl = uint32(num[3])
r.(*RR_RRSIG).Expiration = uint32(num[4])
r.(*RR_RRSIG).Inception = uint32(num[5])
r.(*RR_RRSIG).KeyTag = uint16(num[6])
r.(*RR_RRSIG).SignerName = txt[0]
r.(*RR_RRSIG).Signature = txt[1]
}
}%%

28463
zparse.go
View File

File diff suppressed because it is too large Load Diff

33
zparse.rl
View File

@ -15,14 +15,14 @@ import (
write data;
}%%
func zparse(data string) (r RR, err os.Error) {
func Zparse(data string) (r RR, err os.Error) {
cs, p, pe, eof := 0, 0, len(data), len(data)
j := 0; j = j // Needed for compile.
k := 0; k = k // "
mark := 0
hdr := new(RR_Header)
txt := make([]string, 10)
num := make([]int, 10)
txt := make([]string, 7)
num := make([]int, 7)
%%{
action mark { mark = p }
@ -46,15 +46,15 @@ func zparse(data string) (r RR, err os.Error) {
qclass = ('IN'i|'CS'i|'CH'i|'HS'i|'ANY'i|'NONE'i) %qclass;
ttl = digit+ >mark;
blank = [ \t]+ %mark;
b = [ \t]+ %mark;
qname = [a-zA-Z0-9.\\]+ %qname;
textblank = [a-zA-Z0-9.\\ ]+ $1 %0 %textblank;
text = [a-zA-Z0-9.\\]+ $1 %0 %text;
number = [0-9]+ $1 %0 %number;
tb = [a-zA-Z0-9.\\ ]+ $1 %0 %textblank;
t = [a-zA-Z0-9.\\]+ $1 %0 %text;
n = [0-9]+ $1 %0 %number;
lhs = qname? blank %defTtl (
(ttl %setTtl blank (qclass blank)?)
| (qclass blank (ttl %setTtl blank)?)
lhs = qname? b %defTtl (
(ttl %setTtl b (qclass b)?)
| (qclass b (ttl %setTtl b)?)
)?;
# RDATA definitions
@ -62,11 +62,14 @@ func zparse(data string) (r RR, err os.Error) {
# RR definitions
rhs = (
('A'i %qtype blank text) %rdata_a
| ('NS'i %qtype blank text) %rdata_ns
| ('CNAME'i %qtype blank text) %rdata_cname
| ('SOA'i %qtype blank text blank text blank number blank number blank number blank number blank number) %rdata_soa
| ('MX'i %qtype blank number blank text) %rdata_mx
('A'i %qtype b t) %rdata_a
| ('NS'i %qtype b t) %rdata_ns
| ('CNAME'i %qtype b t) %rdata_cname
| ('SOA'i %qtype b tb t b n b n b n b n b n) %rdata_soa
| ('MX'i %qtype b n b t) %rdata_mx
| ('DS'i %qtype b n b n b n b tb) %rdata_ds
| ('DNSKEY'i %qtype b n b n b n b tb) %rdata_dnskey
| ('RRSIG'i %qtype b n b n b n b n b n b n b n b t b tb) %rdata_rrsig
);
rr = lhs rhs;