vendor: Update github.com/hashicorp/mdns

This commit is contained in:
Kyle Havlovitz 2020-09-30 12:57:24 -07:00
parent 1cc012b202
commit dd6ed08924
39 changed files with 934 additions and 549 deletions

8
go.mod
View File

@ -51,6 +51,7 @@ require (
github.com/hashicorp/golang-lru v0.5.4
github.com/hashicorp/hcl v1.0.0
github.com/hashicorp/hil v0.0.0-20200423225030-a18a1cd20038
github.com/hashicorp/mdns v1.0.3 // indirect
github.com/hashicorp/memberlist v0.2.2
github.com/hashicorp/net-rpc-msgpackrpc v0.0.0-20151116020338-a14192a58a69
github.com/hashicorp/raft v1.2.0
@ -62,7 +63,8 @@ require (
github.com/joyent/triton-go v1.7.1-0.20200416154420-6801d15b779f // indirect
github.com/konsorten/go-windows-terminal-sequences v1.0.2 // indirect
github.com/kr/text v0.1.0
github.com/miekg/dns v1.1.26
github.com/mattn/go-colorable v0.1.7 // indirect
github.com/miekg/dns v1.1.31
github.com/mitchellh/cli v1.1.0
github.com/mitchellh/copystructure v1.0.0
github.com/mitchellh/go-testing-interface v1.14.0
@ -81,8 +83,8 @@ require (
github.com/stretchr/testify v1.5.1
go.opencensus.io v0.22.0 // indirect
go.uber.org/goleak v1.0.0
golang.org/x/crypto v0.0.0-20200820211705-5c72a883971a
golang.org/x/net v0.0.0-20200904194848-62affa334b73
golang.org/x/crypto v0.0.0-20200930160638-afb6bcd081ae
golang.org/x/net v0.0.0-20200930145003-4acb6c075d10
golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45
golang.org/x/sync v0.0.0-20200317015054-43a5402ce75a
golang.org/x/sys v0.0.0-20201007082116-8445cc04cbdf

18
go.sum
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@ -278,6 +278,8 @@ github.com/hashicorp/hil v0.0.0-20200423225030-a18a1cd20038/go.mod h1:n2TSygSNws
github.com/hashicorp/logutils v1.0.0/go.mod h1:QIAnNjmIWmVIIkWDTG1z5v++HQmx9WQRO+LraFDTW64=
github.com/hashicorp/mdns v1.0.1 h1:XFSOubp8KWB+Jd2PDyaX5xUd5bhSP/+pTDZVDMzZJM8=
github.com/hashicorp/mdns v1.0.1/go.mod h1:4gW7WsVCke5TE7EPeYliwHlRUyBtfCwuFwuMg2DmyNY=
github.com/hashicorp/mdns v1.0.3 h1:hPneYJlzSjxFBmUlnDGXRykxBZ++dQAJhU57gCO7TzI=
github.com/hashicorp/mdns v1.0.3/go.mod h1:P9sIDVQGUBr2GtS4qS2QCBdtgqP7TBt6d8looU5l5r4=
github.com/hashicorp/memberlist v0.2.2 h1:5+RffWKwqJ71YPu9mWsF7ZOscZmwfasdA8kbdC7AO2g=
github.com/hashicorp/memberlist v0.2.2/go.mod h1:MS2lj3INKhZjWNqd3N0m3J+Jxf3DAOnAH9VT3Sh9MUE=
github.com/hashicorp/net-rpc-msgpackrpc v0.0.0-20151116020338-a14192a58a69 h1:lc3c72qGlIMDqQpQH82Y4vaglRMMFdJbziYWriR4UcE=
@ -343,6 +345,8 @@ github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaO
github.com/mattn/go-colorable v0.1.4/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE=
github.com/mattn/go-colorable v0.1.6 h1:6Su7aK7lXmJ/U79bYtBjLNaha4Fs1Rg9plHpcH+vvnE=
github.com/mattn/go-colorable v0.1.6/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc=
github.com/mattn/go-colorable v0.1.7 h1:bQGKb3vps/j0E9GfJQ03JyhRuxsvdAanXlT9BTw3mdw=
github.com/mattn/go-colorable v0.1.7/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc=
github.com/mattn/go-isatty v0.0.3/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
github.com/mattn/go-isatty v0.0.8/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
github.com/mattn/go-isatty v0.0.10/go.mod h1:qgIWMr58cqv1PHHyhnkY9lrL7etaEgOFcMEpPG5Rm84=
@ -355,6 +359,10 @@ github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5
github.com/miekg/dns v1.0.14/go.mod h1:W1PPwlIAgtquWBMBEV9nkV9Cazfe8ScdGz/Lj7v3Nrg=
github.com/miekg/dns v1.1.26 h1:gPxPSwALAeHJSjarOs00QjVdV9QoBvc1D2ujQUr5BzU=
github.com/miekg/dns v1.1.26/go.mod h1:bPDLeHnStXmXAq1m/Ch/hvfNHr14JKNPMBo3VZKjuso=
github.com/miekg/dns v1.1.27 h1:aEH/kqUzUxGJ/UHcEKdJY+ugH6WEzsEBBSPa8zuy1aM=
github.com/miekg/dns v1.1.27/go.mod h1:KNUDUusw/aVsxyTYZM1oqvCicbwhgbNgztCETuNZ7xM=
github.com/miekg/dns v1.1.31 h1:sJFOl9BgwbYAWOGEwr61FU28pqsBNdpRBnhGXtO06Oo=
github.com/miekg/dns v1.1.31/go.mod h1:KNUDUusw/aVsxyTYZM1oqvCicbwhgbNgztCETuNZ7xM=
github.com/mitchellh/cli v1.0.0/go.mod h1:hNIlj7HEI86fIcpObd7a0FcrxTWetlwJDGcceTlRvqc=
github.com/mitchellh/cli v1.1.0 h1:tEElEatulEHDeedTxwckzyYMA5c86fbmNIUL1hBIiTg=
github.com/mitchellh/cli v1.1.0/go.mod h1:xcISNoH86gajksDmfB23e/pu+B+GeFRMYmoHXxx3xhI=
@ -529,8 +537,8 @@ golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8U
golang.org/x/crypto v0.0.0-20191206172530-e9b2fee46413/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/crypto v0.0.0-20200220183623-bac4c82f6975/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/crypto v0.0.0-20200820211705-5c72a883971a h1:vclmkQCjlDX5OydZ9wv8rBCcS0QyQY66Mpf/7BZbInM=
golang.org/x/crypto v0.0.0-20200820211705-5c72a883971a/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/crypto v0.0.0-20200930160638-afb6bcd081ae h1:duLSQW+DZ5MsXKX7kc4rXlq6/mmxz4G6ewJuBPlhRe0=
golang.org/x/crypto v0.0.0-20200930160638-afb6bcd081ae/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
@ -539,6 +547,7 @@ golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHl
golang.org/x/lint v0.0.0-20190409202823-959b441ac422/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
golang.org/x/lint v0.0.0-20190930215403-16217165b5de h1:5hukYrvBGR8/eNkX5mdUezrA6JiaEZDtJb9Ei+1LlBs=
golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
golang.org/x/mod v0.2.0 h1:KU7oHjnv3XNWfa5COkzUifxZmxp1TyI7ImMXqFxLwvQ=
golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/net v0.0.0-20170114055629-f2499483f923/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@ -562,8 +571,8 @@ golang.org/x/net v0.0.0-20190923162816-aa69164e4478/go.mod h1:z5CRVTTTmAJ677TzLL
golang.org/x/net v0.0.0-20191004110552-13f9640d40b9/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200602114024-627f9648deb9/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
golang.org/x/net v0.0.0-20200904194848-62affa334b73 h1:MXfv8rhZWmFeqX3GNZRsd6vOLoaCHjYEX3qkRo3YBUA=
golang.org/x/net v0.0.0-20200904194848-62affa334b73/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
golang.org/x/net v0.0.0-20200930145003-4acb6c075d10 h1:YfxMZzv3PjGonQYNUaeU2+DhAdqOxerQ30JFB6WgAXo=
golang.org/x/net v0.0.0-20200930145003-4acb6c075d10/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45 h1:SVwTIAaPC2U/AvvLNZ2a7OVsmBpC8L5BlwK1whH3hm0=
@ -632,6 +641,7 @@ golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBn
golang.org/x/tools v0.0.0-20190907020128-2ca718005c18/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
golang.org/x/tools v0.0.0-20191108193012-7d206e10da11/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
golang.org/x/tools v0.0.0-20191216052735-49a3e744a425/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
golang.org/x/tools v0.0.0-20200513154647-78b527d18275 h1:e7nYe9s94RHunFJ7b+mmPxiQMOKMVSqYASToWb1EcHs=
golang.org/x/tools v0.0.0-20200513154647-78b527d18275/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=

View File

@ -13,8 +13,8 @@ Using the library is very simple, here is an example of publishing a service ent
// Setup our service export
host, _ := os.Hostname()
info := []string{"My awesome service"},
service, _ := NewMDNSService(host, "_foobar._tcp", "", "", 8000, nil, info)
info := []string{"My awesome service"}
service, _ := mdns.NewMDNSService(host, "_foobar._tcp", "", "", 8000, nil, info)
// Create the mDNS server, defer shutdown
server, _ := mdns.NewServer(&mdns.Config{Zone: service})

View File

@ -173,7 +173,7 @@ func (c *client) Close() error {
return nil
}
// setInterface is used to set the query interface, uses sytem
// setInterface is used to set the query interface, uses system
// default if not provided
func (c *client) setInterface(iface *net.Interface) error {
p := ipv4.NewPacketConn(c.ipv4UnicastConn)
@ -308,10 +308,16 @@ func (c *client) sendQuery(q *dns.Msg) error {
return err
}
if c.ipv4UnicastConn != nil {
c.ipv4UnicastConn.WriteToUDP(buf, ipv4Addr)
_, err = c.ipv4UnicastConn.WriteToUDP(buf, ipv4Addr)
if err != nil {
return err
}
}
if c.ipv6UnicastConn != nil {
c.ipv6UnicastConn.WriteToUDP(buf, ipv6Addr)
_, err = c.ipv6UnicastConn.WriteToUDP(buf, ipv6Addr)
if err != nil {
return err
}
}
return nil
}

View File

@ -1,9 +1,8 @@
module github.com/hashicorp/mdns
require (
github.com/miekg/dns v1.0.14
golang.org/x/crypto v0.0.0-20181029021203-45a5f77698d3 // indirect
golang.org/x/net v0.0.0-20181023162649-9b4f9f5ad519
golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4 // indirect
golang.org/x/sys v0.0.0-20181026203630-95b1ffbd15a5 // indirect
github.com/miekg/dns v1.1.27
golang.org/x/net v0.0.0-20190923162816-aa69164e4478
)
go 1.13

View File

@ -1,10 +1,19 @@
github.com/miekg/dns v1.0.14 h1:9jZdLNd/P4+SfEJ0TNyxYpsK8N4GtfylBLqtbYN1sbA=
github.com/miekg/dns v1.0.14/go.mod h1:W1PPwlIAgtquWBMBEV9nkV9Cazfe8ScdGz/Lj7v3Nrg=
golang.org/x/crypto v0.0.0-20181029021203-45a5f77698d3 h1:KYQXGkl6vs02hK7pK4eIbw0NpNPedieTSTEiJ//bwGs=
golang.org/x/crypto v0.0.0-20181029021203-45a5f77698d3/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
golang.org/x/net v0.0.0-20181023162649-9b4f9f5ad519 h1:x6rhz8Y9CjbgQkccRGmELH6K+LJj7tOoh3XWeC1yaQM=
golang.org/x/net v0.0.0-20181023162649-9b4f9f5ad519/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4 h1:YUO/7uOKsKeq9UokNS62b8FYywz3ker1l1vDZRCRefw=
golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sys v0.0.0-20181026203630-95b1ffbd15a5 h1:x6r4Jo0KNzOOzYd8lbcRsqjuqEASK6ob3auvWYM4/8U=
golang.org/x/sys v0.0.0-20181026203630-95b1ffbd15a5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
github.com/miekg/dns v1.1.27 h1:aEH/kqUzUxGJ/UHcEKdJY+ugH6WEzsEBBSPa8zuy1aM=
github.com/miekg/dns v1.1.27/go.mod h1:KNUDUusw/aVsxyTYZM1oqvCicbwhgbNgztCETuNZ7xM=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550 h1:ObdrDkeb4kJdCP557AjRjq69pTHfNouLtWZG7j9rPN8=
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20190923162816-aa69164e4478 h1:l5EDrHhldLYb3ZRHDUhXF7Om7MvYXnkV9/iQNo1lX6g=
golang.org/x/net v0.0.0-20190923162816-aa69164e4478/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/sync v0.0.0-20190423024810-112230192c58 h1:8gQV6CLnAEikrhgkHFbMAEhagSSnXWGV915qUMm9mrU=
golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20190924154521-2837fb4f24fe h1:6fAMxZRR6sl1Uq8U61gxU+kPTs2tR8uOySCbBP7BN/M=
golang.org/x/sys v0.0.0-20190924154521-2837fb4f24fe/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/tools v0.0.0-20191216052735-49a3e744a425/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=

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@ -10,6 +10,7 @@ import (
"os"
"strconv"
"strings"
"sync"
"syscall"
"unsafe"
@ -27,6 +28,7 @@ const (
backgroundRed = 0x40
backgroundIntensity = 0x80
backgroundMask = (backgroundRed | backgroundBlue | backgroundGreen | backgroundIntensity)
commonLvbUnderscore = 0x8000
cENABLE_VIRTUAL_TERMINAL_PROCESSING = 0x4
)
@ -93,6 +95,7 @@ type Writer struct {
oldattr word
oldpos coord
rest bytes.Buffer
mutex sync.Mutex
}
// NewColorable returns new instance of Writer which handles escape sequence from File.
@ -432,6 +435,8 @@ func atoiWithDefault(s string, def int) (int, error) {
// Write writes data on console
func (w *Writer) Write(data []byte) (n int, err error) {
w.mutex.Lock()
defer w.mutex.Unlock()
var csbi consoleScreenBufferInfo
procGetConsoleScreenBufferInfo.Call(uintptr(w.handle), uintptr(unsafe.Pointer(&csbi)))
@ -683,14 +688,19 @@ loop:
switch {
case n == 0 || n == 100:
attr = w.oldattr
case 1 <= n && n <= 5:
case n == 4:
attr |= commonLvbUnderscore
case (1 <= n && n <= 3) || n == 5:
attr |= foregroundIntensity
case n == 7:
attr = ((attr & foregroundMask) << 4) | ((attr & backgroundMask) >> 4)
case n == 22 || n == 25:
attr |= foregroundIntensity
case n == 27:
attr = ((attr & foregroundMask) << 4) | ((attr & backgroundMask) >> 4)
case n == 7 || n == 27:
attr =
(attr &^ (foregroundMask | backgroundMask)) |
((attr & foregroundMask) << 4) |
((attr & backgroundMask) >> 4)
case n == 22:
attr &^= foregroundIntensity
case n == 24:
attr &^= commonLvbUnderscore
case 30 <= n && n <= 37:
attr &= backgroundMask
if (n-30)&1 != 0 {

View File

@ -10,6 +10,7 @@ env:
- GO111MODULE=on
script:
- go generate ./... && test `git ls-files --modified | wc -l` = 0
- go test -race -v -bench=. -coverprofile=coverage.txt -covermode=atomic ./...
after_success:

View File

@ -28,6 +28,7 @@ A not-so-up-to-date-list-that-may-be-actually-current:
* https://github.com/coredns/coredns
* https://cloudflare.com
* https://github.com/abh/geodns
* https://github.com/baidu/bfe
* http://www.statdns.com/
* http://www.dnsinspect.com/
* https://github.com/chuangbo/jianbing-dictionary-dns
@ -70,6 +71,8 @@ A not-so-up-to-date-list-that-may-be-actually-current:
* https://render.com
* https://github.com/peterzen/goresolver
* https://github.com/folbricht/routedns
* https://domainr.com/
* https://zonedb.org/
Send pull request if you want to be listed here.
@ -127,6 +130,7 @@ Example programs can be found in the `github.com/miekg/exdns` repository.
* 2915 - NAPTR record
* 2929 - DNS IANA Considerations
* 3110 - RSASHA1 DNS keys
* 3123 - APL record
* 3225 - DO bit (DNSSEC OK)
* 340{1,2,3} - NAPTR record
* 3445 - Limiting the scope of (DNS)KEY

View File

@ -124,15 +124,38 @@ func (c *Client) Dial(address string) (conn *Conn, err error) {
// of 512 bytes
// To specify a local address or a timeout, the caller has to set the `Client.Dialer`
// attribute appropriately
func (c *Client) Exchange(m *Msg, address string) (r *Msg, rtt time.Duration, err error) {
co, err := c.Dial(address)
if err != nil {
return nil, 0, err
}
defer co.Close()
return c.ExchangeWithConn(m, co)
}
// ExchangeWithConn has the same behavior as Exchange, just with a predetermined connection
// that will be used instead of creating a new one.
// Usage pattern with a *dns.Client:
// c := new(dns.Client)
// // connection management logic goes here
//
// conn := c.Dial(address)
// in, rtt, err := c.ExchangeWithConn(message, conn)
//
// This allows users of the library to implement their own connection management,
// as opposed to Exchange, which will always use new connections and incur the added overhead
// that entails when using "tcp" and especially "tcp-tls" clients.
func (c *Client) ExchangeWithConn(m *Msg, conn *Conn) (r *Msg, rtt time.Duration, err error) {
if !c.SingleInflight {
return c.exchange(m, address)
return c.exchange(m, conn)
}
q := m.Question[0]
key := fmt.Sprintf("%s:%d:%d", q.Name, q.Qtype, q.Qclass)
r, rtt, err, shared := c.group.Do(key, func() (*Msg, time.Duration, error) {
return c.exchange(m, address)
return c.exchange(m, conn)
})
if r != nil && shared {
r = r.Copy()
@ -141,15 +164,7 @@ func (c *Client) Exchange(m *Msg, address string) (r *Msg, rtt time.Duration, er
return r, rtt, err
}
func (c *Client) exchange(m *Msg, a string) (r *Msg, rtt time.Duration, err error) {
var co *Conn
co, err = c.Dial(a)
if err != nil {
return nil, 0, err
}
defer co.Close()
func (c *Client) exchange(m *Msg, co *Conn) (r *Msg, rtt time.Duration, err error) {
opt := m.IsEdns0()
// If EDNS0 is used use that for size.

View File

@ -105,7 +105,7 @@ func (dns *Msg) SetAxfr(z string) *Msg {
// SetTsig appends a TSIG RR to the message.
// This is only a skeleton TSIG RR that is added as the last RR in the
// additional section. The Tsig is calculated when the message is being send.
// additional section. The TSIG is calculated when the message is being send.
func (dns *Msg) SetTsig(z, algo string, fudge uint16, timesigned int64) *Msg {
t := new(TSIG)
t.Hdr = RR_Header{z, TypeTSIG, ClassANY, 0, 0}
@ -317,6 +317,12 @@ func Fqdn(s string) string {
return s + "."
}
// CanonicalName returns the domain name in canonical form. A name in canonical
// form is lowercase and fully qualified. See Section 6.2 in RFC 4034.
func CanonicalName(s string) string {
return strings.ToLower(Fqdn(s))
}
// Copied from the official Go code.
// ReverseAddr returns the in-addr.arpa. or ip6.arpa. hostname of the IP
@ -364,7 +370,7 @@ func (t Type) String() string {
// String returns the string representation for the class c.
func (c Class) String() string {
if s, ok := ClassToString[uint16(c)]; ok {
// Only emit mnemonics when they are unambiguous, specically ANY is in both.
// Only emit mnemonics when they are unambiguous, specially ANY is in both.
if _, ok := StringToType[s]; !ok {
return s
}

View File

@ -200,7 +200,7 @@ func (k *DNSKEY) ToDS(h uint8) *DS {
wire = wire[:n]
owner := make([]byte, 255)
off, err1 := PackDomainName(strings.ToLower(k.Hdr.Name), owner, 0, nil, false)
off, err1 := PackDomainName(CanonicalName(k.Hdr.Name), owner, 0, nil, false)
if err1 != nil {
return nil
}
@ -285,7 +285,7 @@ func (rr *RRSIG) Sign(k crypto.Signer, rrset []RR) error {
sigwire.Inception = rr.Inception
sigwire.KeyTag = rr.KeyTag
// For signing, lowercase this name
sigwire.SignerName = strings.ToLower(rr.SignerName)
sigwire.SignerName = CanonicalName(rr.SignerName)
// Create the desired binary blob
signdata := make([]byte, DefaultMsgSize)
@ -423,7 +423,7 @@ func (rr *RRSIG) Verify(k *DNSKEY, rrset []RR) error {
sigwire.Expiration = rr.Expiration
sigwire.Inception = rr.Inception
sigwire.KeyTag = rr.KeyTag
sigwire.SignerName = strings.ToLower(rr.SignerName)
sigwire.SignerName = CanonicalName(rr.SignerName)
// Create the desired binary blob
signeddata := make([]byte, DefaultMsgSize)
n, err := packSigWire(sigwire, signeddata)
@ -659,7 +659,7 @@ func rawSignatureData(rrset []RR, s *RRSIG) (buf []byte, err error) {
h.Name = "*." + strings.Join(labels[len(labels)-int(s.Labels):], ".") + "."
}
// RFC 4034: 6.2. Canonical RR Form. (2) - domain name to lowercase
h.Name = strings.ToLower(h.Name)
h.Name = CanonicalName(h.Name)
// 6.2. Canonical RR Form. (3) - domain rdata to lowercase.
// NS, MD, MF, CNAME, SOA, MB, MG, MR, PTR,
// HINFO, MINFO, MX, RP, AFSDB, RT, SIG, PX, NXT, NAPTR, KX,
@ -672,49 +672,49 @@ func rawSignatureData(rrset []RR, s *RRSIG) (buf []byte, err error) {
// conversion.
switch x := r1.(type) {
case *NS:
x.Ns = strings.ToLower(x.Ns)
x.Ns = CanonicalName(x.Ns)
case *MD:
x.Md = strings.ToLower(x.Md)
x.Md = CanonicalName(x.Md)
case *MF:
x.Mf = strings.ToLower(x.Mf)
x.Mf = CanonicalName(x.Mf)
case *CNAME:
x.Target = strings.ToLower(x.Target)
x.Target = CanonicalName(x.Target)
case *SOA:
x.Ns = strings.ToLower(x.Ns)
x.Mbox = strings.ToLower(x.Mbox)
x.Ns = CanonicalName(x.Ns)
x.Mbox = CanonicalName(x.Mbox)
case *MB:
x.Mb = strings.ToLower(x.Mb)
x.Mb = CanonicalName(x.Mb)
case *MG:
x.Mg = strings.ToLower(x.Mg)
x.Mg = CanonicalName(x.Mg)
case *MR:
x.Mr = strings.ToLower(x.Mr)
x.Mr = CanonicalName(x.Mr)
case *PTR:
x.Ptr = strings.ToLower(x.Ptr)
x.Ptr = CanonicalName(x.Ptr)
case *MINFO:
x.Rmail = strings.ToLower(x.Rmail)
x.Email = strings.ToLower(x.Email)
x.Rmail = CanonicalName(x.Rmail)
x.Email = CanonicalName(x.Email)
case *MX:
x.Mx = strings.ToLower(x.Mx)
x.Mx = CanonicalName(x.Mx)
case *RP:
x.Mbox = strings.ToLower(x.Mbox)
x.Txt = strings.ToLower(x.Txt)
x.Mbox = CanonicalName(x.Mbox)
x.Txt = CanonicalName(x.Txt)
case *AFSDB:
x.Hostname = strings.ToLower(x.Hostname)
x.Hostname = CanonicalName(x.Hostname)
case *RT:
x.Host = strings.ToLower(x.Host)
x.Host = CanonicalName(x.Host)
case *SIG:
x.SignerName = strings.ToLower(x.SignerName)
x.SignerName = CanonicalName(x.SignerName)
case *PX:
x.Map822 = strings.ToLower(x.Map822)
x.Mapx400 = strings.ToLower(x.Mapx400)
x.Map822 = CanonicalName(x.Map822)
x.Mapx400 = CanonicalName(x.Mapx400)
case *NAPTR:
x.Replacement = strings.ToLower(x.Replacement)
x.Replacement = CanonicalName(x.Replacement)
case *KX:
x.Exchanger = strings.ToLower(x.Exchanger)
x.Exchanger = CanonicalName(x.Exchanger)
case *SRV:
x.Target = strings.ToLower(x.Target)
x.Target = CanonicalName(x.Target)
case *DNAME:
x.Target = strings.ToLower(x.Target)
x.Target = CanonicalName(x.Target)
}
// 6.2. Canonical RR Form. (5) - origTTL
wire := make([]byte, Len(r1)+1) // +1 to be safe(r)

2
vendor/github.com/miekg/dns/doc.go generated vendored
View File

@ -209,7 +209,7 @@ Basic use pattern validating and replying to a message that has TSIG set.
// *Msg r has an TSIG record and it was validated
m.SetTsig("axfr.", dns.HmacMD5, 300, time.Now().Unix())
} else {
// *Msg r has an TSIG records and it was not valided
// *Msg r has an TSIG records and it was not validated
}
}
w.WriteMsg(m)

View File

@ -3,9 +3,8 @@ package dns
//go:generate go run duplicate_generate.go
// IsDuplicate checks of r1 and r2 are duplicates of each other, excluding the TTL.
// So this means the header data is equal *and* the RDATA is the same. Return true
// is so, otherwise false.
// It's a protocol violation to have identical RRs in a message.
// So this means the header data is equal *and* the RDATA is the same. Returns true
// if so, otherwise false. It's a protocol violation to have identical RRs in a message.
func IsDuplicate(r1, r2 RR) bool {
// Check whether the record header is identical.
if !r1.Header().isDuplicate(r2.Header()) {

View File

@ -543,6 +543,10 @@ func (e *EDNS0_EXPIRE) pack() ([]byte, error) {
}
func (e *EDNS0_EXPIRE) unpack(b []byte) error {
if len(b) == 0 {
// zero-length EXPIRE query, see RFC 7314 Section 2
return nil
}
if len(b) < 4 {
return ErrBuf
}

View File

@ -20,13 +20,13 @@ import (
// of $ after that are interpreted.
func (zp *ZoneParser) generate(l lex) (RR, bool) {
token := l.token
step := 1
step := int64(1)
if i := strings.IndexByte(token, '/'); i >= 0 {
if i+1 == len(token) {
return zp.setParseError("bad step in $GENERATE range", l)
}
s, err := strconv.Atoi(token[i+1:])
s, err := strconv.ParseInt(token[i+1:], 10, 64)
if err != nil || s <= 0 {
return zp.setParseError("bad step in $GENERATE range", l)
}
@ -40,12 +40,12 @@ func (zp *ZoneParser) generate(l lex) (RR, bool) {
return zp.setParseError("bad start-stop in $GENERATE range", l)
}
start, err := strconv.Atoi(sx[0])
start, err := strconv.ParseInt(sx[0], 10, 64)
if err != nil {
return zp.setParseError("bad start in $GENERATE range", l)
}
end, err := strconv.Atoi(sx[1])
end, err := strconv.ParseInt(sx[1], 10, 64)
if err != nil {
return zp.setParseError("bad stop in $GENERATE range", l)
}
@ -75,10 +75,10 @@ func (zp *ZoneParser) generate(l lex) (RR, bool) {
r := &generateReader{
s: s,
cur: start,
start: start,
end: end,
step: step,
cur: int(start),
start: int(start),
end: int(end),
step: int(step),
file: zp.file,
lex: &l,
@ -188,7 +188,7 @@ func (r *generateReader) ReadByte() (byte, error) {
if errMsg != "" {
return 0, r.parseError(errMsg, si+3+sep)
}
if r.start+offset < 0 || r.end+offset > 1<<31-1 {
if r.start+offset < 0 || int64(r.end) + int64(offset) > 1<<31-1 {
return 0, r.parseError("bad offset in $GENERATE", si+3+sep)
}
@ -229,19 +229,19 @@ func modToPrintf(s string) (string, int, string) {
return "", 0, "bad base in $GENERATE"
}
offset, err := strconv.Atoi(offStr)
offset, err := strconv.ParseInt(offStr, 10, 64)
if err != nil {
return "", 0, "bad offset in $GENERATE"
}
width, err := strconv.Atoi(widthStr)
width, err := strconv.ParseInt(widthStr, 10, 64)
if err != nil || width < 0 || width > 255 {
return "", 0, "bad width in $GENERATE"
}
if width == 0 {
return "%" + base, offset, ""
return "%" + base, int(offset), ""
}
return "%0" + widthStr + base, offset, ""
return "%0" + widthStr + base, int(offset), ""
}

5
vendor/github.com/miekg/dns/go.mod generated vendored
View File

@ -3,10 +3,9 @@ module github.com/miekg/dns
go 1.12
require (
golang.org/x/crypto v0.0.0-20190923035154-9ee001bba392
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550
golang.org/x/net v0.0.0-20190923162816-aa69164e4478
golang.org/x/sync v0.0.0-20190423024810-112230192c58
golang.org/x/sys v0.0.0-20190924154521-2837fb4f24fe
golang.org/x/text v0.3.2 // indirect
golang.org/x/tools v0.0.0-20190907020128-2ca718005c18 // indirect
golang.org/x/tools v0.0.0-20191216052735-49a3e744a425 // indirect
)

6
vendor/github.com/miekg/dns/go.sum generated vendored
View File

@ -5,6 +5,9 @@ golang.org/x/crypto v0.0.0-20190829043050-9756ffdc2472 h1:Gv7RPwsi3eZ2Fgewe3CBsu
golang.org/x/crypto v0.0.0-20190829043050-9756ffdc2472/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20190923035154-9ee001bba392 h1:ACG4HJsFiNMf47Y4PeRoebLNy/2lXT9EtprMuTFWt1M=
golang.org/x/crypto v0.0.0-20190923035154-9ee001bba392/go.mod h1:/lpIB1dKB+9EgE3H3cr1v9wB50oz8l4C4h62xy7jSTY=
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550 h1:ObdrDkeb4kJdCP557AjRjq69pTHfNouLtWZG7j9rPN8=
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
golang.org/x/net v0.0.0-20180926154720-4dfa2610cdf3 h1:dgd4x4kJt7G4k4m93AYLzM8Ni6h2qLTfh9n9vXJT3/0=
golang.org/x/net v0.0.0-20180926154720-4dfa2610cdf3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
@ -30,4 +33,7 @@ golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20190907020128-2ca718005c18/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
golang.org/x/tools v0.0.0-20191216052735-49a3e744a425 h1:VvQyQJN0tSuecqgcIxMWnnfG5kSmgy9KZR9sW3W5QeA=
golang.org/x/tools v0.0.0-20191216052735-49a3e744a425/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=

View File

@ -83,7 +83,7 @@ func CompareDomainName(s1, s2 string) (n int) {
return
}
// CountLabel counts the the number of labels in the string s.
// CountLabel counts the number of labels in the string s.
// s must be a syntactically valid domain name.
func CountLabel(s string) (labels int) {
if s == "." {

16
vendor/github.com/miekg/dns/msg.go generated vendored
View File

@ -398,17 +398,12 @@ Loop:
return "", lenmsg, ErrLongDomain
}
for _, b := range msg[off : off+c] {
switch b {
case '.', '(', ')', ';', ' ', '@':
fallthrough
case '"', '\\':
if isDomainNameLabelSpecial(b) {
s = append(s, '\\', b)
default:
if b < ' ' || b > '~' { // unprintable, use \DDD
s = append(s, escapeByte(b)...)
} else {
s = append(s, b)
}
} else if b < ' ' || b > '~' {
s = append(s, escapeByte(b)...)
} else {
s = append(s, b)
}
}
s = append(s, '.')
@ -661,7 +656,6 @@ func unpackRRslice(l int, msg []byte, off int) (dst1 []RR, off1 int, err error)
}
// If offset does not increase anymore, l is a lie
if off1 == off {
l = i
break
}
dst = append(dst, r)

View File

@ -423,86 +423,12 @@ Option:
if off+int(optlen) > len(msg) {
return nil, len(msg), &Error{err: "overflow unpacking opt"}
}
switch code {
case EDNS0NSID:
e := new(EDNS0_NSID)
if err := e.unpack(msg[off : off+int(optlen)]); err != nil {
return nil, len(msg), err
}
edns = append(edns, e)
off += int(optlen)
case EDNS0SUBNET:
e := new(EDNS0_SUBNET)
if err := e.unpack(msg[off : off+int(optlen)]); err != nil {
return nil, len(msg), err
}
edns = append(edns, e)
off += int(optlen)
case EDNS0COOKIE:
e := new(EDNS0_COOKIE)
if err := e.unpack(msg[off : off+int(optlen)]); err != nil {
return nil, len(msg), err
}
edns = append(edns, e)
off += int(optlen)
case EDNS0EXPIRE:
e := new(EDNS0_EXPIRE)
if err := e.unpack(msg[off : off+int(optlen)]); err != nil {
return nil, len(msg), err
}
edns = append(edns, e)
off += int(optlen)
case EDNS0UL:
e := new(EDNS0_UL)
if err := e.unpack(msg[off : off+int(optlen)]); err != nil {
return nil, len(msg), err
}
edns = append(edns, e)
off += int(optlen)
case EDNS0LLQ:
e := new(EDNS0_LLQ)
if err := e.unpack(msg[off : off+int(optlen)]); err != nil {
return nil, len(msg), err
}
edns = append(edns, e)
off += int(optlen)
case EDNS0DAU:
e := new(EDNS0_DAU)
if err := e.unpack(msg[off : off+int(optlen)]); err != nil {
return nil, len(msg), err
}
edns = append(edns, e)
off += int(optlen)
case EDNS0DHU:
e := new(EDNS0_DHU)
if err := e.unpack(msg[off : off+int(optlen)]); err != nil {
return nil, len(msg), err
}
edns = append(edns, e)
off += int(optlen)
case EDNS0N3U:
e := new(EDNS0_N3U)
if err := e.unpack(msg[off : off+int(optlen)]); err != nil {
return nil, len(msg), err
}
edns = append(edns, e)
off += int(optlen)
case EDNS0PADDING:
e := new(EDNS0_PADDING)
if err := e.unpack(msg[off : off+int(optlen)]); err != nil {
return nil, len(msg), err
}
edns = append(edns, e)
off += int(optlen)
default:
e := new(EDNS0_LOCAL)
e.Code = code
if err := e.unpack(msg[off : off+int(optlen)]); err != nil {
return nil, len(msg), err
}
edns = append(edns, e)
off += int(optlen)
e := makeDataOpt(code)
if err := e.unpack(msg[off : off+int(optlen)]); err != nil {
return nil, len(msg), err
}
edns = append(edns, e)
off += int(optlen)
if off < len(msg) {
goto Option
@ -511,6 +437,35 @@ Option:
return edns, off, nil
}
func makeDataOpt(code uint16) EDNS0 {
switch code {
case EDNS0NSID:
return new(EDNS0_NSID)
case EDNS0SUBNET:
return new(EDNS0_SUBNET)
case EDNS0COOKIE:
return new(EDNS0_COOKIE)
case EDNS0EXPIRE:
return new(EDNS0_EXPIRE)
case EDNS0UL:
return new(EDNS0_UL)
case EDNS0LLQ:
return new(EDNS0_LLQ)
case EDNS0DAU:
return new(EDNS0_DAU)
case EDNS0DHU:
return new(EDNS0_DHU)
case EDNS0N3U:
return new(EDNS0_N3U)
case EDNS0PADDING:
return new(EDNS0_PADDING)
default:
e := new(EDNS0_LOCAL)
e.Code = code
return e
}
}
func packDataOpt(options []EDNS0, msg []byte, off int) (int, error) {
for _, el := range options {
b, err := el.pack()
@ -521,9 +476,7 @@ func packDataOpt(options []EDNS0, msg []byte, off int) (int, error) {
binary.BigEndian.PutUint16(msg[off+2:], uint16(len(b))) // Length
off += 4
if off+len(b) > len(msg) {
copy(msg[off:], b)
off = len(msg)
continue
return len(msg), &Error{err: "overflow packing opt"}
}
// Actual data
copy(msg[off:off+len(b)], b)
@ -688,3 +641,126 @@ func packDataDomainNames(names []string, msg []byte, off int, compression compre
}
return off, nil
}
func packDataApl(data []APLPrefix, msg []byte, off int) (int, error) {
var err error
for i := range data {
off, err = packDataAplPrefix(&data[i], msg, off)
if err != nil {
return len(msg), err
}
}
return off, nil
}
func packDataAplPrefix(p *APLPrefix, msg []byte, off int) (int, error) {
if len(p.Network.IP) != len(p.Network.Mask) {
return len(msg), &Error{err: "address and mask lengths don't match"}
}
var err error
prefix, _ := p.Network.Mask.Size()
addr := p.Network.IP.Mask(p.Network.Mask)[:(prefix+7)/8]
switch len(p.Network.IP) {
case net.IPv4len:
off, err = packUint16(1, msg, off)
case net.IPv6len:
off, err = packUint16(2, msg, off)
default:
err = &Error{err: "unrecognized address family"}
}
if err != nil {
return len(msg), err
}
off, err = packUint8(uint8(prefix), msg, off)
if err != nil {
return len(msg), err
}
var n uint8
if p.Negation {
n = 0x80
}
adflen := uint8(len(addr)) & 0x7f
off, err = packUint8(n|adflen, msg, off)
if err != nil {
return len(msg), err
}
if off+len(addr) > len(msg) {
return len(msg), &Error{err: "overflow packing APL prefix"}
}
off += copy(msg[off:], addr)
return off, nil
}
func unpackDataApl(msg []byte, off int) ([]APLPrefix, int, error) {
var result []APLPrefix
for off < len(msg) {
prefix, end, err := unpackDataAplPrefix(msg, off)
if err != nil {
return nil, len(msg), err
}
off = end
result = append(result, prefix)
}
return result, off, nil
}
func unpackDataAplPrefix(msg []byte, off int) (APLPrefix, int, error) {
family, off, err := unpackUint16(msg, off)
if err != nil {
return APLPrefix{}, len(msg), &Error{err: "overflow unpacking APL prefix"}
}
prefix, off, err := unpackUint8(msg, off)
if err != nil {
return APLPrefix{}, len(msg), &Error{err: "overflow unpacking APL prefix"}
}
nlen, off, err := unpackUint8(msg, off)
if err != nil {
return APLPrefix{}, len(msg), &Error{err: "overflow unpacking APL prefix"}
}
var ip []byte
switch family {
case 1:
ip = make([]byte, net.IPv4len)
case 2:
ip = make([]byte, net.IPv6len)
default:
return APLPrefix{}, len(msg), &Error{err: "unrecognized APL address family"}
}
if int(prefix) > 8*len(ip) {
return APLPrefix{}, len(msg), &Error{err: "APL prefix too long"}
}
afdlen := int(nlen & 0x7f)
if afdlen > len(ip) {
return APLPrefix{}, len(msg), &Error{err: "APL length too long"}
}
if off+afdlen > len(msg) {
return APLPrefix{}, len(msg), &Error{err: "overflow unpacking APL address"}
}
off += copy(ip, msg[off:off+afdlen])
if afdlen > 0 {
last := ip[afdlen-1]
if last == 0 {
return APLPrefix{}, len(msg), &Error{err: "extra APL address bits"}
}
}
ipnet := net.IPNet{
IP: ip,
Mask: net.CIDRMask(int(prefix), 8*len(ip)),
}
network := ipnet.IP.Mask(ipnet.Mask)
if !network.Equal(ipnet.IP) {
return APLPrefix{}, len(msg), &Error{err: "invalid APL address length"}
}
return APLPrefix{
Negation: (nlen & 0x80) != 0,
Network: ipnet,
}, off, nil
}

View File

@ -73,7 +73,7 @@ func (dns *Msg) Truncate(size int) {
var numExtra int
if l < size {
l, numExtra = truncateLoop(dns.Extra, size, l, compression)
_, numExtra = truncateLoop(dns.Extra, size, l, compression)
}
// See the function documentation for when we set this.

View File

@ -43,7 +43,7 @@ func HashName(label string, ha uint8, iter uint16, salt string) string {
return toBase32(nsec3)
}
// Cover returns true if a name is covered by the NSEC3 record
// Cover returns true if a name is covered by the NSEC3 record.
func (rr *NSEC3) Cover(name string) bool {
nameHash := HashName(name, rr.Hash, rr.Iterations, rr.Salt)
owner := strings.ToUpper(rr.Hdr.Name)

View File

@ -13,7 +13,6 @@ type PrivateRdata interface {
// Pack is used when packing a private RR into a buffer.
Pack([]byte) (int, error)
// Unpack is used when unpacking a private RR from a buffer.
// TODO(miek): diff. signature than Pack, see edns0.go for instance.
Unpack([]byte) (int, error)
// Copy copies the Rdata into the PrivateRdata argument.
Copy(PrivateRdata) error

89
vendor/github.com/miekg/dns/scan.go generated vendored
View File

@ -87,31 +87,18 @@ type lex struct {
column int // column in the file
}
// Token holds the token that are returned when a zone file is parsed.
type Token struct {
// The scanned resource record when error is not nil.
RR
// When an error occurred, this has the error specifics.
Error *ParseError
// A potential comment positioned after the RR and on the same line.
Comment string
}
// ttlState describes the state necessary to fill in an omitted RR TTL
type ttlState struct {
ttl uint32 // ttl is the current default TTL
isByDirective bool // isByDirective indicates whether ttl was set by a $TTL directive
}
// NewRR reads the RR contained in the string s. Only the first RR is
// returned. If s contains no records, NewRR will return nil with no
// error.
// NewRR reads the RR contained in the string s. Only the first RR is returned.
// If s contains no records, NewRR will return nil with no error.
//
// The class defaults to IN and TTL defaults to 3600. The full zone
// file syntax like $TTL, $ORIGIN, etc. is supported.
//
// All fields of the returned RR are set, except RR.Header().Rdlength
// which is set to 0.
// The class defaults to IN and TTL defaults to 3600. The full zone file syntax
// like $TTL, $ORIGIN, etc. is supported. All fields of the returned RR are
// set, except RR.Header().Rdlength which is set to 0.
func NewRR(s string) (RR, error) {
if len(s) > 0 && s[len(s)-1] != '\n' { // We need a closing newline
return ReadRR(strings.NewReader(s+"\n"), "")
@ -133,70 +120,6 @@ func ReadRR(r io.Reader, file string) (RR, error) {
return rr, zp.Err()
}
// ParseZone reads a RFC 1035 style zonefile from r. It returns
// Tokens on the returned channel, each consisting of either a
// parsed RR and optional comment or a nil RR and an error. The
// channel is closed by ParseZone when the end of r is reached.
//
// The string file is used in error reporting and to resolve relative
// $INCLUDE directives. The string origin is used as the initial
// origin, as if the file would start with an $ORIGIN directive.
//
// The directives $INCLUDE, $ORIGIN, $TTL and $GENERATE are all
// supported. Note that $GENERATE's range support up to a maximum of
// of 65535 steps.
//
// Basic usage pattern when reading from a string (z) containing the
// zone data:
//
// for x := range dns.ParseZone(strings.NewReader(z), "", "") {
// if x.Error != nil {
// // log.Println(x.Error)
// } else {
// // Do something with x.RR
// }
// }
//
// Comments specified after an RR (and on the same line!) are
// returned too:
//
// foo. IN A 10.0.0.1 ; this is a comment
//
// The text "; this is comment" is returned in Token.Comment.
// Comments inside the RR are returned concatenated along with the
// RR. Comments on a line by themselves are discarded.
//
// To prevent memory leaks it is important to always fully drain the
// returned channel. If an error occurs, it will always be the last
// Token sent on the channel.
//
// Deprecated: New users should prefer the ZoneParser API.
func ParseZone(r io.Reader, origin, file string) chan *Token {
t := make(chan *Token, 10000)
go parseZone(r, origin, file, t)
return t
}
func parseZone(r io.Reader, origin, file string, t chan *Token) {
defer close(t)
zp := NewZoneParser(r, origin, file)
zp.SetIncludeAllowed(true)
for rr, ok := zp.Next(); ok; rr, ok = zp.Next() {
t <- &Token{RR: rr, Comment: zp.Comment()}
}
if err := zp.Err(); err != nil {
pe, ok := err.(*ParseError)
if !ok {
pe = &ParseError{file: file, err: err.Error()}
}
t <- &Token{Error: pe}
}
}
// ZoneParser is a parser for an RFC 1035 style zonefile.
//
// Each parsed RR in the zone is returned sequentially from Next. An
@ -247,7 +170,7 @@ type ZoneParser struct {
includeDepth uint8
includeAllowed bool
includeAllowed bool
generateDisallowed bool
}

View File

@ -1,6 +1,7 @@
package dns
import (
"bytes"
"encoding/base64"
"net"
"strconv"
@ -10,15 +11,15 @@ import (
// A remainder of the rdata with embedded spaces, return the parsed string (sans the spaces)
// or an error
func endingToString(c *zlexer, errstr string) (string, *ParseError) {
var s string
var buffer bytes.Buffer
l, _ := c.Next() // zString
for l.value != zNewline && l.value != zEOF {
if l.err {
return s, &ParseError{"", errstr, l}
return buffer.String(), &ParseError{"", errstr, l}
}
switch l.value {
case zString:
s += l.token
buffer.WriteString(l.token)
case zBlank: // Ok
default:
return "", &ParseError{"", errstr, l}
@ -26,7 +27,7 @@ func endingToString(c *zlexer, errstr string) (string, *ParseError) {
l, _ = c.Next()
}
return s, nil
return buffer.String(), nil
}
// A remainder of the rdata with embedded spaces, split on unquoted whitespace
@ -403,7 +404,7 @@ func (rr *SOA) parse(c *zlexer, o string) *ParseError {
if l.err {
return &ParseError{"", "bad SOA zone parameter", l}
}
if j, e := strconv.ParseUint(l.token, 10, 32); e != nil {
if j, err := strconv.ParseUint(l.token, 10, 32); err != nil {
if i == 0 {
// Serial must be a number
return &ParseError{"", "bad SOA zone parameter", l}
@ -446,16 +447,16 @@ func (rr *SRV) parse(c *zlexer, o string) *ParseError {
c.Next() // zBlank
l, _ = c.Next() // zString
i, e = strconv.ParseUint(l.token, 10, 16)
if e != nil || l.err {
i, e1 := strconv.ParseUint(l.token, 10, 16)
if e1 != nil || l.err {
return &ParseError{"", "bad SRV Weight", l}
}
rr.Weight = uint16(i)
c.Next() // zBlank
l, _ = c.Next() // zString
i, e = strconv.ParseUint(l.token, 10, 16)
if e != nil || l.err {
i, e2 := strconv.ParseUint(l.token, 10, 16)
if e2 != nil || l.err {
return &ParseError{"", "bad SRV Port", l}
}
rr.Port = uint16(i)
@ -482,8 +483,8 @@ func (rr *NAPTR) parse(c *zlexer, o string) *ParseError {
c.Next() // zBlank
l, _ = c.Next() // zString
i, e = strconv.ParseUint(l.token, 10, 16)
if e != nil || l.err {
i, e1 := strconv.ParseUint(l.token, 10, 16)
if e1 != nil || l.err {
return &ParseError{"", "bad NAPTR Preference", l}
}
rr.Preference = uint16(i)
@ -581,9 +582,9 @@ func (rr *TALINK) parse(c *zlexer, o string) *ParseError {
func (rr *LOC) parse(c *zlexer, o string) *ParseError {
// Non zero defaults for LOC record, see RFC 1876, Section 3.
rr.HorizPre = 165 // 10000
rr.VertPre = 162 // 10
rr.Size = 18 // 1
rr.Size = 0x12 // 1e2 cm (1m)
rr.HorizPre = 0x16 // 1e6 cm (10000m)
rr.VertPre = 0x13 // 1e3 cm (10m)
ok := false
// North
@ -600,15 +601,15 @@ func (rr *LOC) parse(c *zlexer, o string) *ParseError {
if rr.Latitude, ok = locCheckNorth(l.token, rr.Latitude); ok {
goto East
}
i, e = strconv.ParseUint(l.token, 10, 32)
if e != nil || l.err {
if i, err := strconv.ParseUint(l.token, 10, 32); err != nil || l.err {
return &ParseError{"", "bad LOC Latitude minutes", l}
} else {
rr.Latitude += 1000 * 60 * uint32(i)
}
rr.Latitude += 1000 * 60 * uint32(i)
c.Next() // zBlank
l, _ = c.Next()
if i, e := strconv.ParseFloat(l.token, 32); e != nil || l.err {
if i, err := strconv.ParseFloat(l.token, 32); err != nil || l.err {
return &ParseError{"", "bad LOC Latitude seconds", l}
} else {
rr.Latitude += uint32(1000 * i)
@ -626,7 +627,7 @@ East:
// East
c.Next() // zBlank
l, _ = c.Next()
if i, e := strconv.ParseUint(l.token, 10, 32); e != nil || l.err {
if i, err := strconv.ParseUint(l.token, 10, 32); err != nil || l.err {
return &ParseError{"", "bad LOC Longitude", l}
} else {
rr.Longitude = 1000 * 60 * 60 * uint32(i)
@ -637,14 +638,14 @@ East:
if rr.Longitude, ok = locCheckEast(l.token, rr.Longitude); ok {
goto Altitude
}
if i, e := strconv.ParseUint(l.token, 10, 32); e != nil || l.err {
if i, err := strconv.ParseUint(l.token, 10, 32); err != nil || l.err {
return &ParseError{"", "bad LOC Longitude minutes", l}
} else {
rr.Longitude += 1000 * 60 * uint32(i)
}
c.Next() // zBlank
l, _ = c.Next()
if i, e := strconv.ParseFloat(l.token, 32); e != nil || l.err {
if i, err := strconv.ParseFloat(l.token, 32); err != nil || l.err {
return &ParseError{"", "bad LOC Longitude seconds", l}
} else {
rr.Longitude += uint32(1000 * i)
@ -667,7 +668,7 @@ Altitude:
if l.token[len(l.token)-1] == 'M' || l.token[len(l.token)-1] == 'm' {
l.token = l.token[0 : len(l.token)-1]
}
if i, e := strconv.ParseFloat(l.token, 32); e != nil {
if i, err := strconv.ParseFloat(l.token, 32); err != nil {
return &ParseError{"", "bad LOC Altitude", l}
} else {
rr.Altitude = uint32(i*100.0 + 10000000.0 + 0.5)
@ -681,23 +682,23 @@ Altitude:
case zString:
switch count {
case 0: // Size
e, m, ok := stringToCm(l.token)
exp, m, ok := stringToCm(l.token)
if !ok {
return &ParseError{"", "bad LOC Size", l}
}
rr.Size = e&0x0f | m<<4&0xf0
rr.Size = exp&0x0f | m<<4&0xf0
case 1: // HorizPre
e, m, ok := stringToCm(l.token)
exp, m, ok := stringToCm(l.token)
if !ok {
return &ParseError{"", "bad LOC HorizPre", l}
}
rr.HorizPre = e&0x0f | m<<4&0xf0
rr.HorizPre = exp&0x0f | m<<4&0xf0
case 2: // VertPre
e, m, ok := stringToCm(l.token)
exp, m, ok := stringToCm(l.token)
if !ok {
return &ParseError{"", "bad LOC VertPre", l}
}
rr.VertPre = e&0x0f | m<<4&0xf0
rr.VertPre = exp&0x0f | m<<4&0xf0
}
count++
case zBlank:
@ -762,7 +763,7 @@ func (rr *CERT) parse(c *zlexer, o string) *ParseError {
l, _ := c.Next()
if v, ok := StringToCertType[l.token]; ok {
rr.Type = v
} else if i, e := strconv.ParseUint(l.token, 10, 16); e != nil {
} else if i, err := strconv.ParseUint(l.token, 10, 16); err != nil {
return &ParseError{"", "bad CERT Type", l}
} else {
rr.Type = uint16(i)
@ -778,7 +779,7 @@ func (rr *CERT) parse(c *zlexer, o string) *ParseError {
l, _ = c.Next() // zString
if v, ok := StringToAlgorithm[l.token]; ok {
rr.Algorithm = v
} else if i, e := strconv.ParseUint(l.token, 10, 8); e != nil {
} else if i, err := strconv.ParseUint(l.token, 10, 8); err != nil {
return &ParseError{"", "bad CERT Algorithm", l}
} else {
rr.Algorithm = uint8(i)
@ -812,8 +813,8 @@ func (rr *CSYNC) parse(c *zlexer, o string) *ParseError {
c.Next() // zBlank
l, _ = c.Next()
j, e = strconv.ParseUint(l.token, 10, 16)
if e != nil {
j, e1 := strconv.ParseUint(l.token, 10, 16)
if e1 != nil {
// Serial must be a number
return &ParseError{"", "bad CSYNC flags", l}
}
@ -845,9 +846,7 @@ func (rr *CSYNC) parse(c *zlexer, o string) *ParseError {
return nil
}
func (rr *SIG) parse(c *zlexer, o string) *ParseError {
return rr.RRSIG.parse(c, o)
}
func (rr *SIG) parse(c *zlexer, o string) *ParseError { return rr.RRSIG.parse(c, o) }
func (rr *RRSIG) parse(c *zlexer, o string) *ParseError {
l, _ := c.Next()
@ -868,24 +867,24 @@ func (rr *RRSIG) parse(c *zlexer, o string) *ParseError {
c.Next() // zBlank
l, _ = c.Next()
i, err := strconv.ParseUint(l.token, 10, 8)
if err != nil || l.err {
i, e := strconv.ParseUint(l.token, 10, 8)
if e != nil || l.err {
return &ParseError{"", "bad RRSIG Algorithm", l}
}
rr.Algorithm = uint8(i)
c.Next() // zBlank
l, _ = c.Next()
i, err = strconv.ParseUint(l.token, 10, 8)
if err != nil || l.err {
i, e1 := strconv.ParseUint(l.token, 10, 8)
if e1 != nil || l.err {
return &ParseError{"", "bad RRSIG Labels", l}
}
rr.Labels = uint8(i)
c.Next() // zBlank
l, _ = c.Next()
i, err = strconv.ParseUint(l.token, 10, 32)
if err != nil || l.err {
i, e2 := strconv.ParseUint(l.token, 10, 32)
if e2 != nil || l.err {
return &ParseError{"", "bad RRSIG OrigTtl", l}
}
rr.OrigTtl = uint32(i)
@ -918,8 +917,8 @@ func (rr *RRSIG) parse(c *zlexer, o string) *ParseError {
c.Next() // zBlank
l, _ = c.Next()
i, err = strconv.ParseUint(l.token, 10, 16)
if err != nil || l.err {
i, e3 := strconv.ParseUint(l.token, 10, 16)
if e3 != nil || l.err {
return &ParseError{"", "bad RRSIG KeyTag", l}
}
rr.KeyTag = uint16(i)
@ -933,9 +932,9 @@ func (rr *RRSIG) parse(c *zlexer, o string) *ParseError {
}
rr.SignerName = name
s, e := endingToString(c, "bad RRSIG Signature")
if e != nil {
return e
s, e4 := endingToString(c, "bad RRSIG Signature")
if e4 != nil {
return e4
}
rr.Signature = s
@ -985,15 +984,15 @@ func (rr *NSEC3) parse(c *zlexer, o string) *ParseError {
rr.Hash = uint8(i)
c.Next() // zBlank
l, _ = c.Next()
i, e = strconv.ParseUint(l.token, 10, 8)
if e != nil || l.err {
i, e1 := strconv.ParseUint(l.token, 10, 8)
if e1 != nil || l.err {
return &ParseError{"", "bad NSEC3 Flags", l}
}
rr.Flags = uint8(i)
c.Next() // zBlank
l, _ = c.Next()
i, e = strconv.ParseUint(l.token, 10, 16)
if e != nil || l.err {
i, e2 := strconv.ParseUint(l.token, 10, 16)
if e2 != nil || l.err {
return &ParseError{"", "bad NSEC3 Iterations", l}
}
rr.Iterations = uint16(i)
@ -1050,22 +1049,22 @@ func (rr *NSEC3PARAM) parse(c *zlexer, o string) *ParseError {
rr.Hash = uint8(i)
c.Next() // zBlank
l, _ = c.Next()
i, e = strconv.ParseUint(l.token, 10, 8)
if e != nil || l.err {
i, e1 := strconv.ParseUint(l.token, 10, 8)
if e1 != nil || l.err {
return &ParseError{"", "bad NSEC3PARAM Flags", l}
}
rr.Flags = uint8(i)
c.Next() // zBlank
l, _ = c.Next()
i, e = strconv.ParseUint(l.token, 10, 16)
if e != nil || l.err {
i, e2 := strconv.ParseUint(l.token, 10, 16)
if e2 != nil || l.err {
return &ParseError{"", "bad NSEC3PARAM Iterations", l}
}
rr.Iterations = uint16(i)
c.Next()
l, _ = c.Next()
if l.token != "-" {
rr.SaltLength = uint8(len(l.token))
rr.SaltLength = uint8(len(l.token) / 2)
rr.Salt = l.token
}
return slurpRemainder(c)
@ -1132,15 +1131,15 @@ func (rr *SSHFP) parse(c *zlexer, o string) *ParseError {
rr.Algorithm = uint8(i)
c.Next() // zBlank
l, _ = c.Next()
i, e = strconv.ParseUint(l.token, 10, 8)
if e != nil || l.err {
i, e1 := strconv.ParseUint(l.token, 10, 8)
if e1 != nil || l.err {
return &ParseError{"", "bad SSHFP Type", l}
}
rr.Type = uint8(i)
c.Next() // zBlank
s, e1 := endingToString(c, "bad SSHFP Fingerprint")
if e1 != nil {
return e1
s, e2 := endingToString(c, "bad SSHFP Fingerprint")
if e2 != nil {
return e2
}
rr.FingerPrint = s
return nil
@ -1155,37 +1154,32 @@ func (rr *DNSKEY) parseDNSKEY(c *zlexer, o, typ string) *ParseError {
rr.Flags = uint16(i)
c.Next() // zBlank
l, _ = c.Next() // zString
i, e = strconv.ParseUint(l.token, 10, 8)
if e != nil || l.err {
i, e1 := strconv.ParseUint(l.token, 10, 8)
if e1 != nil || l.err {
return &ParseError{"", "bad " + typ + " Protocol", l}
}
rr.Protocol = uint8(i)
c.Next() // zBlank
l, _ = c.Next() // zString
i, e = strconv.ParseUint(l.token, 10, 8)
if e != nil || l.err {
i, e2 := strconv.ParseUint(l.token, 10, 8)
if e2 != nil || l.err {
return &ParseError{"", "bad " + typ + " Algorithm", l}
}
rr.Algorithm = uint8(i)
s, e1 := endingToString(c, "bad "+typ+" PublicKey")
if e1 != nil {
return e1
s, e3 := endingToString(c, "bad "+typ+" PublicKey")
if e3 != nil {
return e3
}
rr.PublicKey = s
return nil
}
func (rr *DNSKEY) parse(c *zlexer, o string) *ParseError {
return rr.parseDNSKEY(c, o, "DNSKEY")
}
func (rr *KEY) parse(c *zlexer, o string) *ParseError {
return rr.parseDNSKEY(c, o, "KEY")
}
func (rr *CDNSKEY) parse(c *zlexer, o string) *ParseError {
return rr.parseDNSKEY(c, o, "CDNSKEY")
}
func (rr *DNSKEY) parse(c *zlexer, o string) *ParseError { return rr.parseDNSKEY(c, o, "DNSKEY") }
func (rr *KEY) parse(c *zlexer, o string) *ParseError { return rr.parseDNSKEY(c, o, "KEY") }
func (rr *CDNSKEY) parse(c *zlexer, o string) *ParseError { return rr.parseDNSKEY(c, o, "CDNSKEY") }
func (rr *DS) parse(c *zlexer, o string) *ParseError { return rr.parseDS(c, o, "DS") }
func (rr *DLV) parse(c *zlexer, o string) *ParseError { return rr.parseDS(c, o, "DLV") }
func (rr *CDS) parse(c *zlexer, o string) *ParseError { return rr.parseDS(c, o, "CDS") }
func (rr *RKEY) parse(c *zlexer, o string) *ParseError {
l, _ := c.Next()
@ -1196,21 +1190,21 @@ func (rr *RKEY) parse(c *zlexer, o string) *ParseError {
rr.Flags = uint16(i)
c.Next() // zBlank
l, _ = c.Next() // zString
i, e = strconv.ParseUint(l.token, 10, 8)
if e != nil || l.err {
i, e1 := strconv.ParseUint(l.token, 10, 8)
if e1 != nil || l.err {
return &ParseError{"", "bad RKEY Protocol", l}
}
rr.Protocol = uint8(i)
c.Next() // zBlank
l, _ = c.Next() // zString
i, e = strconv.ParseUint(l.token, 10, 8)
if e != nil || l.err {
i, e2 := strconv.ParseUint(l.token, 10, 8)
if e2 != nil || l.err {
return &ParseError{"", "bad RKEY Algorithm", l}
}
rr.Algorithm = uint8(i)
s, e1 := endingToString(c, "bad RKEY PublicKey")
if e1 != nil {
return e1
s, e3 := endingToString(c, "bad RKEY PublicKey")
if e3 != nil {
return e3
}
rr.PublicKey = s
return nil
@ -1243,15 +1237,15 @@ func (rr *GPOS) parse(c *zlexer, o string) *ParseError {
rr.Longitude = l.token
c.Next() // zBlank
l, _ = c.Next()
_, e = strconv.ParseFloat(l.token, 64)
if e != nil || l.err {
_, e1 := strconv.ParseFloat(l.token, 64)
if e1 != nil || l.err {
return &ParseError{"", "bad GPOS Latitude", l}
}
rr.Latitude = l.token
c.Next() // zBlank
l, _ = c.Next()
_, e = strconv.ParseFloat(l.token, 64)
if e != nil || l.err {
_, e2 := strconv.ParseFloat(l.token, 64)
if e2 != nil || l.err {
return &ParseError{"", "bad GPOS Altitude", l}
}
rr.Altitude = l.token
@ -1267,7 +1261,7 @@ func (rr *DS) parseDS(c *zlexer, o, typ string) *ParseError {
rr.KeyTag = uint16(i)
c.Next() // zBlank
l, _ = c.Next()
if i, e = strconv.ParseUint(l.token, 10, 8); e != nil {
if i, err := strconv.ParseUint(l.token, 10, 8); err != nil {
tokenUpper := strings.ToUpper(l.token)
i, ok := StringToAlgorithm[tokenUpper]
if !ok || l.err {
@ -1279,31 +1273,19 @@ func (rr *DS) parseDS(c *zlexer, o, typ string) *ParseError {
}
c.Next() // zBlank
l, _ = c.Next()
i, e = strconv.ParseUint(l.token, 10, 8)
if e != nil || l.err {
i, e1 := strconv.ParseUint(l.token, 10, 8)
if e1 != nil || l.err {
return &ParseError{"", "bad " + typ + " DigestType", l}
}
rr.DigestType = uint8(i)
s, e1 := endingToString(c, "bad "+typ+" Digest")
if e1 != nil {
return e1
s, e2 := endingToString(c, "bad "+typ+" Digest")
if e2 != nil {
return e2
}
rr.Digest = s
return nil
}
func (rr *DS) parse(c *zlexer, o string) *ParseError {
return rr.parseDS(c, o, "DS")
}
func (rr *DLV) parse(c *zlexer, o string) *ParseError {
return rr.parseDS(c, o, "DLV")
}
func (rr *CDS) parse(c *zlexer, o string) *ParseError {
return rr.parseDS(c, o, "CDS")
}
func (rr *TA) parse(c *zlexer, o string) *ParseError {
l, _ := c.Next()
i, e := strconv.ParseUint(l.token, 10, 16)
@ -1313,7 +1295,7 @@ func (rr *TA) parse(c *zlexer, o string) *ParseError {
rr.KeyTag = uint16(i)
c.Next() // zBlank
l, _ = c.Next()
if i, e := strconv.ParseUint(l.token, 10, 8); e != nil {
if i, err := strconv.ParseUint(l.token, 10, 8); err != nil {
tokenUpper := strings.ToUpper(l.token)
i, ok := StringToAlgorithm[tokenUpper]
if !ok || l.err {
@ -1325,14 +1307,14 @@ func (rr *TA) parse(c *zlexer, o string) *ParseError {
}
c.Next() // zBlank
l, _ = c.Next()
i, e = strconv.ParseUint(l.token, 10, 8)
if e != nil || l.err {
i, e1 := strconv.ParseUint(l.token, 10, 8)
if e1 != nil || l.err {
return &ParseError{"", "bad TA DigestType", l}
}
rr.DigestType = uint8(i)
s, err := endingToString(c, "bad TA Digest")
if err != nil {
return err
s, e2 := endingToString(c, "bad TA Digest")
if e2 != nil {
return e2
}
rr.Digest = s
return nil
@ -1347,22 +1329,22 @@ func (rr *TLSA) parse(c *zlexer, o string) *ParseError {
rr.Usage = uint8(i)
c.Next() // zBlank
l, _ = c.Next()
i, e = strconv.ParseUint(l.token, 10, 8)
if e != nil || l.err {
i, e1 := strconv.ParseUint(l.token, 10, 8)
if e1 != nil || l.err {
return &ParseError{"", "bad TLSA Selector", l}
}
rr.Selector = uint8(i)
c.Next() // zBlank
l, _ = c.Next()
i, e = strconv.ParseUint(l.token, 10, 8)
if e != nil || l.err {
i, e2 := strconv.ParseUint(l.token, 10, 8)
if e2 != nil || l.err {
return &ParseError{"", "bad TLSA MatchingType", l}
}
rr.MatchingType = uint8(i)
// So this needs be e2 (i.e. different than e), because...??t
s, e2 := endingToString(c, "bad TLSA Certificate")
if e2 != nil {
return e2
s, e3 := endingToString(c, "bad TLSA Certificate")
if e3 != nil {
return e3
}
rr.Certificate = s
return nil
@ -1377,22 +1359,22 @@ func (rr *SMIMEA) parse(c *zlexer, o string) *ParseError {
rr.Usage = uint8(i)
c.Next() // zBlank
l, _ = c.Next()
i, e = strconv.ParseUint(l.token, 10, 8)
if e != nil || l.err {
i, e1 := strconv.ParseUint(l.token, 10, 8)
if e1 != nil || l.err {
return &ParseError{"", "bad SMIMEA Selector", l}
}
rr.Selector = uint8(i)
c.Next() // zBlank
l, _ = c.Next()
i, e = strconv.ParseUint(l.token, 10, 8)
if e != nil || l.err {
i, e2 := strconv.ParseUint(l.token, 10, 8)
if e2 != nil || l.err {
return &ParseError{"", "bad SMIMEA MatchingType", l}
}
rr.MatchingType = uint8(i)
// So this needs be e2 (i.e. different than e), because...??t
s, e2 := endingToString(c, "bad SMIMEA Certificate")
if e2 != nil {
return e2
s, e3 := endingToString(c, "bad SMIMEA Certificate")
if e3 != nil {
return e3
}
rr.Certificate = s
return nil
@ -1469,16 +1451,16 @@ func (rr *URI) parse(c *zlexer, o string) *ParseError {
rr.Priority = uint16(i)
c.Next() // zBlank
l, _ = c.Next()
i, e = strconv.ParseUint(l.token, 10, 16)
if e != nil || l.err {
i, e1 := strconv.ParseUint(l.token, 10, 16)
if e1 != nil || l.err {
return &ParseError{"", "bad URI Weight", l}
}
rr.Weight = uint16(i)
c.Next() // zBlank
s, err := endingToTxtSlice(c, "bad URI Target")
if err != nil {
return err
s, e2 := endingToTxtSlice(c, "bad URI Target")
if e2 != nil {
return e2
}
if len(s) != 1 {
return &ParseError{"", "bad URI Target", l}
@ -1506,9 +1488,9 @@ func (rr *NID) parse(c *zlexer, o string) *ParseError {
rr.Preference = uint16(i)
c.Next() // zBlank
l, _ = c.Next() // zString
u, err := stringToNodeID(l)
if err != nil || l.err {
return err
u, e1 := stringToNodeID(l)
if e1 != nil || l.err {
return e1
}
rr.NodeID = u
return slurpRemainder(c)
@ -1546,7 +1528,6 @@ func (rr *LP) parse(c *zlexer, o string) *ParseError {
return &ParseError{"", "bad LP Fqdn", l}
}
rr.Fqdn = name
return slurpRemainder(c)
}
@ -1559,9 +1540,9 @@ func (rr *L64) parse(c *zlexer, o string) *ParseError {
rr.Preference = uint16(i)
c.Next() // zBlank
l, _ = c.Next() // zString
u, err := stringToNodeID(l)
if err != nil || l.err {
return err
u, e1 := stringToNodeID(l)
if e1 != nil || l.err {
return e1
}
rr.Locator64 = u
return slurpRemainder(c)
@ -1624,14 +1605,13 @@ func (rr *PX) parse(c *zlexer, o string) *ParseError {
return &ParseError{"", "bad PX Mapx400", l}
}
rr.Mapx400 = mapx400
return slurpRemainder(c)
}
func (rr *CAA) parse(c *zlexer, o string) *ParseError {
l, _ := c.Next()
i, err := strconv.ParseUint(l.token, 10, 8)
if err != nil || l.err {
i, e := strconv.ParseUint(l.token, 10, 8)
if e != nil || l.err {
return &ParseError{"", "bad CAA Flag", l}
}
rr.Flag = uint8(i)
@ -1644,9 +1624,9 @@ func (rr *CAA) parse(c *zlexer, o string) *ParseError {
rr.Tag = l.token
c.Next() // zBlank
s, e := endingToTxtSlice(c, "bad CAA Value")
if e != nil {
return e
s, e1 := endingToTxtSlice(c, "bad CAA Value")
if e1 != nil {
return e1
}
if len(s) != 1 {
return &ParseError{"", "bad CAA Value", l}
@ -1667,8 +1647,8 @@ func (rr *TKEY) parse(c *zlexer, o string) *ParseError {
// Get the key length and key values
l, _ = c.Next()
i, err := strconv.ParseUint(l.token, 10, 8)
if err != nil || l.err {
i, e := strconv.ParseUint(l.token, 10, 8)
if e != nil || l.err {
return &ParseError{"", "bad TKEY key length", l}
}
rr.KeySize = uint16(i)
@ -1682,8 +1662,8 @@ func (rr *TKEY) parse(c *zlexer, o string) *ParseError {
// Get the otherdata length and string data
l, _ = c.Next()
i, err = strconv.ParseUint(l.token, 10, 8)
if err != nil || l.err {
i, e1 := strconv.ParseUint(l.token, 10, 8)
if e1 != nil || l.err {
return &ParseError{"", "bad TKEY otherdata length", l}
}
rr.OtherLen = uint16(i)
@ -1693,6 +1673,71 @@ func (rr *TKEY) parse(c *zlexer, o string) *ParseError {
return &ParseError{"", "bad TKEY otherday", l}
}
rr.OtherData = l.token
return nil
}
func (rr *APL) parse(c *zlexer, o string) *ParseError {
var prefixes []APLPrefix
for {
l, _ := c.Next()
if l.value == zNewline || l.value == zEOF {
break
}
if l.value == zBlank && prefixes != nil {
continue
}
if l.value != zString {
return &ParseError{"", "unexpected APL field", l}
}
// Expected format: [!]afi:address/prefix
colon := strings.IndexByte(l.token, ':')
if colon == -1 {
return &ParseError{"", "missing colon in APL field", l}
}
family, cidr := l.token[:colon], l.token[colon+1:]
var negation bool
if family != "" && family[0] == '!' {
negation = true
family = family[1:]
}
afi, e := strconv.ParseUint(family, 10, 16)
if e != nil {
return &ParseError{"", "failed to parse APL family: " + e.Error(), l}
}
var addrLen int
switch afi {
case 1:
addrLen = net.IPv4len
case 2:
addrLen = net.IPv6len
default:
return &ParseError{"", "unrecognized APL family", l}
}
ip, subnet, e1 := net.ParseCIDR(cidr)
if e1 != nil {
return &ParseError{"", "failed to parse APL address: " + e1.Error(), l}
}
if !ip.Equal(subnet.IP) {
return &ParseError{"", "extra bits in APL address", l}
}
if len(subnet.IP) != addrLen {
return &ParseError{"", "address mismatch with the APL family", l}
}
prefixes = append(prefixes, APLPrefix{
Negation: negation,
Network: *subnet,
})
}
rr.Prefixes = prefixes
return nil
}

View File

@ -1,7 +1,6 @@
package dns
import (
"strings"
"sync"
)
@ -36,7 +35,7 @@ func (mux *ServeMux) match(q string, t uint16) Handler {
return nil
}
q = strings.ToLower(q)
q = CanonicalName(q)
var handler Handler
for off, end := 0, false; !end; off, end = NextLabel(q, off) {
@ -66,7 +65,7 @@ func (mux *ServeMux) Handle(pattern string, handler Handler) {
if mux.z == nil {
mux.z = make(map[string]Handler)
}
mux.z[Fqdn(pattern)] = handler
mux.z[CanonicalName(pattern)] = handler
mux.m.Unlock()
}
@ -81,7 +80,7 @@ func (mux *ServeMux) HandleRemove(pattern string) {
panic("dns: invalid pattern " + pattern)
}
mux.m.Lock()
delete(mux.z, Fqdn(pattern))
delete(mux.z, CanonicalName(pattern))
mux.m.Unlock()
}

82
vendor/github.com/miekg/dns/tsig.go generated vendored
View File

@ -18,7 +18,9 @@ import (
const (
HmacMD5 = "hmac-md5.sig-alg.reg.int."
HmacSHA1 = "hmac-sha1."
HmacSHA224 = "hmac-sha224."
HmacSHA256 = "hmac-sha256."
HmacSHA384 = "hmac-sha384."
HmacSHA512 = "hmac-sha512."
)
@ -111,32 +113,35 @@ func TsigGenerate(m *Msg, secret, requestMAC string, timersOnly bool) ([]byte, s
if err != nil {
return nil, "", err
}
buf := tsigBuffer(mbuf, rr, requestMAC, timersOnly)
buf, err := tsigBuffer(mbuf, rr, requestMAC, timersOnly)
if err != nil {
return nil, "", err
}
t := new(TSIG)
var h hash.Hash
switch strings.ToLower(rr.Algorithm) {
switch CanonicalName(rr.Algorithm) {
case HmacMD5:
h = hmac.New(md5.New, rawsecret)
case HmacSHA1:
h = hmac.New(sha1.New, rawsecret)
case HmacSHA224:
h = hmac.New(sha256.New224, rawsecret)
case HmacSHA256:
h = hmac.New(sha256.New, rawsecret)
case HmacSHA384:
h = hmac.New(sha512.New384, rawsecret)
case HmacSHA512:
h = hmac.New(sha512.New, rawsecret)
default:
return nil, "", ErrKeyAlg
}
h.Write(buf)
// Copy all TSIG fields except MAC and its size, which are filled using the computed digest.
*t = *rr
t.MAC = hex.EncodeToString(h.Sum(nil))
t.MACSize = uint16(len(t.MAC) / 2) // Size is half!
t.Hdr = RR_Header{Name: rr.Hdr.Name, Rrtype: TypeTSIG, Class: ClassANY, Ttl: 0}
t.Fudge = rr.Fudge
t.TimeSigned = rr.TimeSigned
t.Algorithm = rr.Algorithm
t.OrigId = m.Id
tbuf := make([]byte, Len(t))
off, err := PackRR(t, tbuf, 0, nil, false)
if err != nil {
@ -153,6 +158,11 @@ func TsigGenerate(m *Msg, secret, requestMAC string, timersOnly bool) ([]byte, s
// If the signature does not validate err contains the
// error, otherwise it is nil.
func TsigVerify(msg []byte, secret, requestMAC string, timersOnly bool) error {
return tsigVerify(msg, secret, requestMAC, timersOnly, uint64(time.Now().Unix()))
}
// actual implementation of TsigVerify, taking the current time ('now') as a parameter for the convenience of tests.
func tsigVerify(msg []byte, secret, requestMAC string, timersOnly bool, now uint64) error {
rawsecret, err := fromBase64([]byte(secret))
if err != nil {
return err
@ -168,27 +178,23 @@ func TsigVerify(msg []byte, secret, requestMAC string, timersOnly bool) error {
return err
}
buf := tsigBuffer(stripped, tsig, requestMAC, timersOnly)
// Fudge factor works both ways. A message can arrive before it was signed because
// of clock skew.
now := uint64(time.Now().Unix())
ti := now - tsig.TimeSigned
if now < tsig.TimeSigned {
ti = tsig.TimeSigned - now
}
if uint64(tsig.Fudge) < ti {
return ErrTime
buf, err := tsigBuffer(stripped, tsig, requestMAC, timersOnly)
if err != nil {
return err
}
var h hash.Hash
switch strings.ToLower(tsig.Algorithm) {
switch CanonicalName(tsig.Algorithm) {
case HmacMD5:
h = hmac.New(md5.New, rawsecret)
case HmacSHA1:
h = hmac.New(sha1.New, rawsecret)
case HmacSHA224:
h = hmac.New(sha256.New224, rawsecret)
case HmacSHA256:
h = hmac.New(sha256.New, rawsecret)
case HmacSHA384:
h = hmac.New(sha512.New384, rawsecret)
case HmacSHA512:
h = hmac.New(sha512.New, rawsecret)
default:
@ -198,11 +204,24 @@ func TsigVerify(msg []byte, secret, requestMAC string, timersOnly bool) error {
if !hmac.Equal(h.Sum(nil), msgMAC) {
return ErrSig
}
// Fudge factor works both ways. A message can arrive before it was signed because
// of clock skew.
// We check this after verifying the signature, following draft-ietf-dnsop-rfc2845bis
// instead of RFC2845, in order to prevent a security vulnerability as reported in CVE-2017-3142/3143.
ti := now - tsig.TimeSigned
if now < tsig.TimeSigned {
ti = tsig.TimeSigned - now
}
if uint64(tsig.Fudge) < ti {
return ErrTime
}
return nil
}
// Create a wiredata buffer for the MAC calculation.
func tsigBuffer(msgbuf []byte, rr *TSIG, requestMAC string, timersOnly bool) []byte {
func tsigBuffer(msgbuf []byte, rr *TSIG, requestMAC string, timersOnly bool) ([]byte, error) {
var buf []byte
if rr.TimeSigned == 0 {
rr.TimeSigned = uint64(time.Now().Unix())
@ -219,7 +238,10 @@ func tsigBuffer(msgbuf []byte, rr *TSIG, requestMAC string, timersOnly bool) []b
m.MACSize = uint16(len(requestMAC) / 2)
m.MAC = requestMAC
buf = make([]byte, len(requestMAC)) // long enough
n, _ := packMacWire(m, buf)
n, err := packMacWire(m, buf)
if err != nil {
return nil, err
}
buf = buf[:n]
}
@ -228,20 +250,26 @@ func tsigBuffer(msgbuf []byte, rr *TSIG, requestMAC string, timersOnly bool) []b
tsig := new(timerWireFmt)
tsig.TimeSigned = rr.TimeSigned
tsig.Fudge = rr.Fudge
n, _ := packTimerWire(tsig, tsigvar)
n, err := packTimerWire(tsig, tsigvar)
if err != nil {
return nil, err
}
tsigvar = tsigvar[:n]
} else {
tsig := new(tsigWireFmt)
tsig.Name = strings.ToLower(rr.Hdr.Name)
tsig.Name = CanonicalName(rr.Hdr.Name)
tsig.Class = ClassANY
tsig.Ttl = rr.Hdr.Ttl
tsig.Algorithm = strings.ToLower(rr.Algorithm)
tsig.Algorithm = CanonicalName(rr.Algorithm)
tsig.TimeSigned = rr.TimeSigned
tsig.Fudge = rr.Fudge
tsig.Error = rr.Error
tsig.OtherLen = rr.OtherLen
tsig.OtherData = rr.OtherData
n, _ := packTsigWire(tsig, tsigvar)
n, err := packTsigWire(tsig, tsigvar)
if err != nil {
return nil, err
}
tsigvar = tsigvar[:n]
}
@ -251,7 +279,7 @@ func tsigBuffer(msgbuf []byte, rr *TSIG, requestMAC string, timersOnly bool) []b
} else {
buf = append(msgbuf, tsigvar...)
}
return buf
return buf, nil
}
// Strip the TSIG from the raw message.

177
vendor/github.com/miekg/dns/types.go generated vendored
View File

@ -1,6 +1,7 @@
package dns
import (
"bytes"
"fmt"
"net"
"strconv"
@ -61,6 +62,7 @@ const (
TypeCERT uint16 = 37
TypeDNAME uint16 = 39
TypeOPT uint16 = 41 // EDNS
TypeAPL uint16 = 42
TypeDS uint16 = 43
TypeSSHFP uint16 = 44
TypeRRSIG uint16 = 46
@ -163,11 +165,11 @@ const (
_RD = 1 << 8 // recursion desired
_RA = 1 << 7 // recursion available
_Z = 1 << 6 // Z
_AD = 1 << 5 // authticated data
_AD = 1 << 5 // authenticated data
_CD = 1 << 4 // checking disabled
)
// Various constants used in the LOC RR, See RFC 1887.
// Various constants used in the LOC RR. See RFC 1887.
const (
LOC_EQUATOR = 1 << 31 // RFC 1876, Section 2.
LOC_PRIMEMERIDIAN = 1 << 31 // RFC 1876, Section 2.
@ -207,8 +209,11 @@ var CertTypeToString = map[uint16]string{
//go:generate go run types_generate.go
// Question holds a DNS question. There can be multiple questions in the
// question section of a message. Usually there is just one.
// Question holds a DNS question. Usually there is just one. While the
// original DNS RFCs allow multiple questions in the question section of a
// message, in practice it never works. Because most DNS servers see multiple
// questions as an error, it is recommended to only have one question per
// message.
type Question struct {
Name string `dns:"cdomain-name"` // "cdomain-name" specifies encoding (and may be compressed)
Qtype uint16
@ -229,7 +234,7 @@ func (q *Question) String() (s string) {
return s
}
// ANY is a wildcard record. See RFC 1035, Section 3.2.3. ANY
// ANY is a wild card record. See RFC 1035, Section 3.2.3. ANY
// is named "*" there.
type ANY struct {
Hdr RR_Header
@ -440,45 +445,38 @@ func sprintName(s string) string {
var dst strings.Builder
for i := 0; i < len(s); {
if i+1 < len(s) && s[i] == '\\' && s[i+1] == '.' {
if s[i] == '.' {
if dst.Len() != 0 {
dst.WriteString(s[i : i+2])
dst.WriteByte('.')
}
i += 2
i++
continue
}
b, n := nextByte(s, i)
if n == 0 {
i++
continue
}
if b == '.' {
if dst.Len() != 0 {
dst.WriteByte('.')
// Drop "dangling" incomplete escapes.
if dst.Len() == 0 {
return s[:i]
}
i += n
continue
break
}
switch b {
case ' ', '\'', '@', ';', '(', ')', '"', '\\': // additional chars to escape
if isDomainNameLabelSpecial(b) {
if dst.Len() == 0 {
dst.Grow(len(s) * 2)
dst.WriteString(s[:i])
}
dst.WriteByte('\\')
dst.WriteByte(b)
default:
if ' ' <= b && b <= '~' {
if dst.Len() != 0 {
dst.WriteByte(b)
}
} else {
if dst.Len() == 0 {
dst.Grow(len(s) * 2)
dst.WriteString(s[:i])
}
dst.WriteString(escapeByte(b))
} else if b < ' ' || b > '~' { // unprintable, use \DDD
if dst.Len() == 0 {
dst.Grow(len(s) * 2)
dst.WriteString(s[:i])
}
dst.WriteString(escapeByte(b))
} else {
if dst.Len() != 0 {
dst.WriteByte(b)
}
}
i += n
@ -501,15 +499,10 @@ func sprintTxtOctet(s string) string {
}
b, n := nextByte(s, i)
switch {
case n == 0:
if n == 0 {
i++ // dangling back slash
case b == '.':
dst.WriteByte('.')
case b < ' ' || b > '~':
dst.WriteString(escapeByte(b))
default:
dst.WriteByte(b)
} else {
writeTXTStringByte(&dst, b)
}
i += n
}
@ -585,6 +578,17 @@ func escapeByte(b byte) string {
return escapedByteLarge[int(b)*4 : int(b)*4+4]
}
// isDomainNameLabelSpecial returns true if
// a domain name label byte should be prefixed
// with an escaping backslash.
func isDomainNameLabelSpecial(b byte) bool {
switch b {
case '.', ' ', '\'', '@', ';', '(', ')', '"', '\\':
return true
}
return false
}
func nextByte(s string, offset int) (byte, int) {
if offset >= len(s) {
return 0, 0
@ -757,8 +761,8 @@ type LOC struct {
Altitude uint32
}
// cmToM takes a cm value expressed in RFC1876 SIZE mantissa/exponent
// format and returns a string in m (two decimals for the cm)
// cmToM takes a cm value expressed in RFC 1876 SIZE mantissa/exponent
// format and returns a string in m (two decimals for the cm).
func cmToM(m, e uint8) string {
if e < 2 {
if e == 1 {
@ -1116,6 +1120,7 @@ type URI struct {
Target string `dns:"octet"`
}
// rr.Target to be parsed as a sequence of character encoded octets according to RFC 3986
func (rr *URI) String() string {
return rr.Hdr.String() + strconv.Itoa(int(rr.Priority)) +
" " + strconv.Itoa(int(rr.Weight)) + " " + sprintTxtOctet(rr.Target)
@ -1277,6 +1282,7 @@ type CAA struct {
Value string `dns:"octet"`
}
// rr.Value Is the character-string encoding of the value field as specified in RFC 1035, Section 5.1.
func (rr *CAA) String() string {
return rr.Hdr.String() + strconv.Itoa(int(rr.Flag)) + " " + rr.Tag + " " + sprintTxtOctet(rr.Value)
}
@ -1353,6 +1359,88 @@ func (rr *CSYNC) len(off int, compression map[string]struct{}) int {
return l
}
// APL RR. See RFC 3123.
type APL struct {
Hdr RR_Header
Prefixes []APLPrefix `dns:"apl"`
}
// APLPrefix is an address prefix hold by an APL record.
type APLPrefix struct {
Negation bool
Network net.IPNet
}
// String returns presentation form of the APL record.
func (rr *APL) String() string {
var sb strings.Builder
sb.WriteString(rr.Hdr.String())
for i, p := range rr.Prefixes {
if i > 0 {
sb.WriteByte(' ')
}
sb.WriteString(p.str())
}
return sb.String()
}
// str returns presentation form of the APL prefix.
func (p *APLPrefix) str() string {
var sb strings.Builder
if p.Negation {
sb.WriteByte('!')
}
switch len(p.Network.IP) {
case net.IPv4len:
sb.WriteByte('1')
case net.IPv6len:
sb.WriteByte('2')
}
sb.WriteByte(':')
switch len(p.Network.IP) {
case net.IPv4len:
sb.WriteString(p.Network.IP.String())
case net.IPv6len:
// add prefix for IPv4-mapped IPv6
if v4 := p.Network.IP.To4(); v4 != nil {
sb.WriteString("::ffff:")
}
sb.WriteString(p.Network.IP.String())
}
sb.WriteByte('/')
prefix, _ := p.Network.Mask.Size()
sb.WriteString(strconv.Itoa(prefix))
return sb.String()
}
// equals reports whether two APL prefixes are identical.
func (a *APLPrefix) equals(b *APLPrefix) bool {
return a.Negation == b.Negation &&
bytes.Equal(a.Network.IP, b.Network.IP) &&
bytes.Equal(a.Network.Mask, b.Network.Mask)
}
// copy returns a copy of the APL prefix.
func (p *APLPrefix) copy() APLPrefix {
return APLPrefix{
Negation: p.Negation,
Network: copyNet(p.Network),
}
}
// len returns size of the prefix in wire format.
func (p *APLPrefix) len() int {
// 4-byte header and the network address prefix (see Section 4 of RFC 3123)
prefix, _ := p.Network.Mask.Size()
return 4 + (prefix+7)/8
}
// TimeToString translates the RRSIG's incep. and expir. times to the
// string representation used when printing the record.
// It takes serial arithmetic (RFC 1982) into account.
@ -1409,6 +1497,17 @@ func copyIP(ip net.IP) net.IP {
return p
}
// copyNet returns a copy of a subnet.
func copyNet(n net.IPNet) net.IPNet {
m := make(net.IPMask, len(n.Mask))
copy(m, n.Mask)
return net.IPNet{
IP: copyIP(n.IP),
Mask: m,
}
}
// SplitN splits a string into N sized string chunks.
// This might become an exported function once.
func splitN(s string, n int) []string {

View File

@ -3,13 +3,13 @@ package dns
import "fmt"
// Version is current version of this library.
var Version = V{1, 1, 26}
var Version = v{1, 1, 31}
// V holds the version of this library.
type V struct {
// v holds the version of this library.
type v struct {
Major, Minor, Patch int
}
func (v V) String() string {
func (v v) String() string {
return fmt.Sprintf("%d.%d.%d", v.Major, v.Minor, v.Patch)
}

View File

@ -52,6 +52,23 @@ func (r1 *ANY) isDuplicate(_r2 RR) bool {
return true
}
func (r1 *APL) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*APL)
if !ok {
return false
}
_ = r2
if len(r1.Prefixes) != len(r2.Prefixes) {
return false
}
for i := 0; i < len(r1.Prefixes); i++ {
if !r1.Prefixes[i].equals(&r2.Prefixes[i]) {
return false
}
}
return true
}
func (r1 *AVC) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*AVC)
if !ok {
@ -87,6 +104,48 @@ func (r1 *CAA) isDuplicate(_r2 RR) bool {
return true
}
func (r1 *CDNSKEY) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*CDNSKEY)
if !ok {
return false
}
_ = r2
if r1.Flags != r2.Flags {
return false
}
if r1.Protocol != r2.Protocol {
return false
}
if r1.Algorithm != r2.Algorithm {
return false
}
if r1.PublicKey != r2.PublicKey {
return false
}
return true
}
func (r1 *CDS) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*CDS)
if !ok {
return false
}
_ = r2
if r1.KeyTag != r2.KeyTag {
return false
}
if r1.Algorithm != r2.Algorithm {
return false
}
if r1.DigestType != r2.DigestType {
return false
}
if r1.Digest != r2.Digest {
return false
}
return true
}
func (r1 *CERT) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*CERT)
if !ok {
@ -155,6 +214,27 @@ func (r1 *DHCID) isDuplicate(_r2 RR) bool {
return true
}
func (r1 *DLV) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*DLV)
if !ok {
return false
}
_ = r2
if r1.KeyTag != r2.KeyTag {
return false
}
if r1.Algorithm != r2.Algorithm {
return false
}
if r1.DigestType != r2.DigestType {
return false
}
if r1.Digest != r2.Digest {
return false
}
return true
}
func (r1 *DNAME) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*DNAME)
if !ok {
@ -322,6 +402,27 @@ func (r1 *HIP) isDuplicate(_r2 RR) bool {
return true
}
func (r1 *KEY) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*KEY)
if !ok {
return false
}
_ = r2
if r1.Flags != r2.Flags {
return false
}
if r1.Protocol != r2.Protocol {
return false
}
if r1.Algorithm != r2.Algorithm {
return false
}
if r1.PublicKey != r2.PublicKey {
return false
}
return true
}
func (r1 *KX) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*KX)
if !ok {
@ -832,6 +933,42 @@ func (r1 *RT) isDuplicate(_r2 RR) bool {
return true
}
func (r1 *SIG) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*SIG)
if !ok {
return false
}
_ = r2
if r1.TypeCovered != r2.TypeCovered {
return false
}
if r1.Algorithm != r2.Algorithm {
return false
}
if r1.Labels != r2.Labels {
return false
}
if r1.OrigTtl != r2.OrigTtl {
return false
}
if r1.Expiration != r2.Expiration {
return false
}
if r1.Inception != r2.Inception {
return false
}
if r1.KeyTag != r2.KeyTag {
return false
}
if !isDuplicateName(r1.SignerName, r2.SignerName) {
return false
}
if r1.Signature != r2.Signature {
return false
}
return true
}
func (r1 *SMIMEA) isDuplicate(_r2 RR) bool {
r2, ok := _r2.(*SMIMEA)
if !ok {

19
vendor/github.com/miekg/dns/zmsg.go generated vendored
View File

@ -36,6 +36,14 @@ func (rr *ANY) pack(msg []byte, off int, compression compressionMap, compress bo
return off, nil
}
func (rr *APL) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packDataApl(rr.Prefixes, msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *AVC) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
off, err = packStringTxt(rr.Txt, msg, off)
if err != nil {
@ -1127,6 +1135,17 @@ func (rr *ANY) unpack(msg []byte, off int) (off1 int, err error) {
return off, nil
}
func (rr *APL) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart
rr.Prefixes, off, err = unpackDataApl(msg, off)
if err != nil {
return off, err
}
return off, nil
}
func (rr *AVC) unpack(msg []byte, off int) (off1 int, err error) {
rdStart := off
_ = rdStart

View File

@ -13,6 +13,7 @@ var TypeToRR = map[uint16]func() RR{
TypeAAAA: func() RR { return new(AAAA) },
TypeAFSDB: func() RR { return new(AFSDB) },
TypeANY: func() RR { return new(ANY) },
TypeAPL: func() RR { return new(APL) },
TypeAVC: func() RR { return new(AVC) },
TypeCAA: func() RR { return new(CAA) },
TypeCDNSKEY: func() RR { return new(CDNSKEY) },
@ -87,6 +88,7 @@ var TypeToString = map[uint16]string{
TypeAAAA: "AAAA",
TypeAFSDB: "AFSDB",
TypeANY: "ANY",
TypeAPL: "APL",
TypeATMA: "ATMA",
TypeAVC: "AVC",
TypeAXFR: "AXFR",
@ -169,6 +171,7 @@ func (rr *A) Header() *RR_Header { return &rr.Hdr }
func (rr *AAAA) Header() *RR_Header { return &rr.Hdr }
func (rr *AFSDB) Header() *RR_Header { return &rr.Hdr }
func (rr *ANY) Header() *RR_Header { return &rr.Hdr }
func (rr *APL) Header() *RR_Header { return &rr.Hdr }
func (rr *AVC) Header() *RR_Header { return &rr.Hdr }
func (rr *CAA) Header() *RR_Header { return &rr.Hdr }
func (rr *CDNSKEY) Header() *RR_Header { return &rr.Hdr }
@ -262,6 +265,13 @@ func (rr *ANY) len(off int, compression map[string]struct{}) int {
l := rr.Hdr.len(off, compression)
return l
}
func (rr *APL) len(off int, compression map[string]struct{}) int {
l := rr.Hdr.len(off, compression)
for _, x := range rr.Prefixes {
l += x.len()
}
return l
}
func (rr *AVC) len(off int, compression map[string]struct{}) int {
l := rr.Hdr.len(off, compression)
for _, x := range rr.Txt {
@ -673,6 +683,13 @@ func (rr *AFSDB) copy() RR {
func (rr *ANY) copy() RR {
return &ANY{rr.Hdr}
}
func (rr *APL) copy() RR {
Prefixes := make([]APLPrefix, len(rr.Prefixes))
for i, e := range rr.Prefixes {
Prefixes[i] = e.copy()
}
return &APL{rr.Hdr, Prefixes}
}
func (rr *AVC) copy() RR {
Txt := make([]string, len(rr.Txt))
copy(Txt, rr.Txt)
@ -681,6 +698,12 @@ func (rr *AVC) copy() RR {
func (rr *CAA) copy() RR {
return &CAA{rr.Hdr, rr.Flag, rr.Tag, rr.Value}
}
func (rr *CDNSKEY) copy() RR {
return &CDNSKEY{*rr.DNSKEY.copy().(*DNSKEY)}
}
func (rr *CDS) copy() RR {
return &CDS{*rr.DS.copy().(*DS)}
}
func (rr *CERT) copy() RR {
return &CERT{rr.Hdr, rr.Type, rr.KeyTag, rr.Algorithm, rr.Certificate}
}
@ -695,6 +718,9 @@ func (rr *CSYNC) copy() RR {
func (rr *DHCID) copy() RR {
return &DHCID{rr.Hdr, rr.Digest}
}
func (rr *DLV) copy() RR {
return &DLV{*rr.DS.copy().(*DS)}
}
func (rr *DNAME) copy() RR {
return &DNAME{rr.Hdr, rr.Target}
}
@ -727,6 +753,9 @@ func (rr *HIP) copy() RR {
copy(RendezvousServers, rr.RendezvousServers)
return &HIP{rr.Hdr, rr.HitLength, rr.PublicKeyAlgorithm, rr.PublicKeyLength, rr.Hit, rr.PublicKey, RendezvousServers}
}
func (rr *KEY) copy() RR {
return &KEY{*rr.DNSKEY.copy().(*DNSKEY)}
}
func (rr *KX) copy() RR {
return &KX{rr.Hdr, rr.Preference, rr.Exchanger}
}
@ -830,6 +859,9 @@ func (rr *RRSIG) copy() RR {
func (rr *RT) copy() RR {
return &RT{rr.Hdr, rr.Preference, rr.Host}
}
func (rr *SIG) copy() RR {
return &SIG{*rr.RRSIG.copy().(*RRSIG)}
}
func (rr *SMIMEA) copy() RR {
return &SMIMEA{rr.Hdr, rr.Usage, rr.Selector, rr.MatchingType, rr.Certificate}
}

View File

@ -557,8 +557,6 @@ type dhGEXSHA struct {
hashFunc crypto.Hash
}
const numMRTests = 64
const (
dhGroupExchangeMinimumBits = 2048
dhGroupExchangePreferredBits = 2048
@ -602,15 +600,8 @@ func (gex dhGEXSHA) Client(c packetConn, randSource io.Reader, magics *handshake
gex.p = kexDHGexGroup.P
gex.g = kexDHGexGroup.G
// Check if p is safe by verifing that p and (p-1)/2 are primes
one := big.NewInt(1)
var pHalf = &big.Int{}
pHalf.Rsh(gex.p, 1)
if !gex.p.ProbablyPrime(numMRTests) || !pHalf.ProbablyPrime(numMRTests) {
return nil, fmt.Errorf("ssh: server provided gex p is not safe")
}
// Check if g is safe by verifing that g > 1 and g < p - 1
one := big.NewInt(1)
var pMinusOne = &big.Int{}
pMinusOne.Sub(gex.p, one)
if gex.g.Cmp(one) != 1 && gex.g.Cmp(pMinusOne) != -1 {
@ -618,6 +609,8 @@ func (gex dhGEXSHA) Client(c packetConn, randSource io.Reader, magics *handshake
}
// Send GexInit
var pHalf = &big.Int{}
pHalf.Rsh(gex.p, 1)
x, err := rand.Int(randSource, pHalf)
if err != nil {
return nil, err

View File

@ -1694,6 +1694,7 @@ func (sc *serverConn) processData(f *DataFrame) error {
if len(data) > 0 {
wrote, err := st.body.Write(data)
if err != nil {
sc.sendWindowUpdate(nil, int(f.Length)-wrote)
return streamError(id, ErrCodeStreamClosed)
}
if wrote != len(data) {

View File

@ -12,6 +12,9 @@ import (
)
func probeProtocolStack() int {
if runtime.GOOS == "netbsd" && runtime.GOARCH == "arm64" {
return 16
}
if (runtime.GOOS == "netbsd" || runtime.GOOS == "openbsd") && runtime.GOARCH == "arm" {
return 8
}

View File

@ -1,33 +0,0 @@
// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !go1.12
package socket
import (
"syscall"
"unsafe"
)
func getsockopt(s uintptr, level, name int, b []byte) (int, error) {
l := uint32(len(b))
_, _, errno := syscall.Syscall6(syscall.SYS_GETSOCKOPT, s, uintptr(level), uintptr(name), uintptr(unsafe.Pointer(&b[0])), uintptr(unsafe.Pointer(&l)), 0)
return int(l), errnoErr(errno)
}
func setsockopt(s uintptr, level, name int, b []byte) error {
_, _, errno := syscall.Syscall6(syscall.SYS_SETSOCKOPT, s, uintptr(level), uintptr(name), uintptr(unsafe.Pointer(&b[0])), uintptr(len(b)), 0)
return errnoErr(errno)
}
func recvmsg(s uintptr, h *msghdr, flags int) (int, error) {
n, _, errno := syscall.Syscall(syscall.SYS_RECVMSG, s, uintptr(unsafe.Pointer(h)), uintptr(flags))
return int(n), errnoErr(errno)
}
func sendmsg(s uintptr, h *msghdr, flags int) (int, error) {
n, _, errno := syscall.Syscall(syscall.SYS_SENDMSG, s, uintptr(unsafe.Pointer(h)), uintptr(flags))
return int(n), errnoErr(errno)
}

View File

@ -67,7 +67,7 @@ func (h *Header) Marshal() ([]byte, error) {
b[1] = byte(h.TOS)
flagsAndFragOff := (h.FragOff & 0x1fff) | int(h.Flags<<13)
switch runtime.GOOS {
case "darwin", "dragonfly", "netbsd":
case "darwin", "ios", "dragonfly", "netbsd":
socket.NativeEndian.PutUint16(b[2:4], uint16(h.TotalLen))
socket.NativeEndian.PutUint16(b[6:8], uint16(flagsAndFragOff))
case "freebsd":
@ -126,7 +126,7 @@ func (h *Header) Parse(b []byte) error {
h.Src = net.IPv4(b[12], b[13], b[14], b[15])
h.Dst = net.IPv4(b[16], b[17], b[18], b[19])
switch runtime.GOOS {
case "darwin", "dragonfly", "netbsd":
case "darwin", "ios", "dragonfly", "netbsd":
h.TotalLen = int(socket.NativeEndian.Uint16(b[2:4])) + hdrlen
h.FragOff = int(socket.NativeEndian.Uint16(b[6:8]))
case "freebsd":

10
vendor/modules.txt vendored
View File

@ -272,7 +272,7 @@ github.com/hashicorp/hil
github.com/hashicorp/hil/ast
github.com/hashicorp/hil/parser
github.com/hashicorp/hil/scanner
# github.com/hashicorp/mdns v1.0.1
# github.com/hashicorp/mdns v1.0.3
github.com/hashicorp/mdns
# github.com/hashicorp/memberlist v0.2.2
github.com/hashicorp/memberlist
@ -316,13 +316,13 @@ github.com/konsorten/go-windows-terminal-sequences
github.com/kr/text
# github.com/linode/linodego v0.7.1
github.com/linode/linodego
# github.com/mattn/go-colorable v0.1.6
# github.com/mattn/go-colorable v0.1.7
github.com/mattn/go-colorable
# github.com/mattn/go-isatty v0.0.12
github.com/mattn/go-isatty
# github.com/matttproud/golang_protobuf_extensions v1.0.1
github.com/matttproud/golang_protobuf_extensions/pbutil
# github.com/miekg/dns v1.1.26
# github.com/miekg/dns v1.1.31
github.com/miekg/dns
# github.com/mitchellh/cli v1.1.0
github.com/mitchellh/cli
@ -459,7 +459,7 @@ go.opencensus.io/trace/tracestate
# go.uber.org/goleak v1.0.0
go.uber.org/goleak
go.uber.org/goleak/internal/stack
# golang.org/x/crypto v0.0.0-20200820211705-5c72a883971a
# golang.org/x/crypto v0.0.0-20200930160638-afb6bcd081ae
golang.org/x/crypto/blake2b
golang.org/x/crypto/blowfish
golang.org/x/crypto/chacha20
@ -478,7 +478,7 @@ golang.org/x/crypto/ssh/terminal
# golang.org/x/lint v0.0.0-20190930215403-16217165b5de
golang.org/x/lint
golang.org/x/lint/golint
# golang.org/x/net v0.0.0-20200904194848-62affa334b73
# golang.org/x/net v0.0.0-20200930145003-4acb6c075d10
golang.org/x/net/bpf
golang.org/x/net/context
golang.org/x/net/context/ctxhttp