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Add OpenBGPd format ROA output

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This commit is contained in:
Simon Marsh 2021-05-19 13:02:27 +01:00
parent bd750fccb3
commit 22234d8918
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GPG Key ID: 0FCCD13AE1CF7ED8
2 changed files with 102 additions and 1 deletions
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65
API.md
View File

@ -313,7 +313,7 @@ The token is set using the `--AuthToken` command line parameter.
## Route Origin Authorisation (ROA) API
Route Origin Authorisation (ROA) data can be obtained from the server in
JSON and bird formats.
JSON, bird and OpenBGPd formats.
### JSON format output
@ -414,6 +414,69 @@ route fd42:7879:7879::/48 max 64 as 4242421787;
... and so on
```
### OpenBGPd format output
```
GET /api/roa/obgpd/{IP family}
```
Provides ROA data suitable for including in to OpenBGPd.
{IP family} can be 4, 6 or 46 to provide both IPv4 and IPv6 results
Example Output:
```
wget -O - -q http://localhost:8042/api/roa/obgpd/4
```
```
#
# dn42regsrv ROA Generator
# Last Updated: 2021-05-19 12:54:44.441996393 +0100 BST m=+5.976816481
# Commit: 8b96b02aa4c2f02b3a3e64c8458bc76596b6345c
#
roa-set {
172.20.34.0/26 maxlen 29 source-as 4242423966
172.20.58.0/27 maxlen 29 source-as 4242420237
10.132.0.0/16 maxlen 24 source-as 65132
...
172.23.222.160/28 maxlen 29 source-as 4242423626
172.20.54.32/28 maxlen 29 source-as 4242422274
172.20.172.0/28 maxlen 29 source-as 4242423160
}
```
```
wget -O - -q http://localhost:8042/api/roa/obgpd/46
```
```
#
# dn42regsrv ROA Generator
# Last Updated: 2021-05-19 12:54:44.441996393 +0100 BST m=+5.976816481
# Commit: 8b96b02aa4c2f02b3a3e64c8458bc76596b6345c
#
roa-set {
172.20.34.0/26 maxlen 29 source-as 4242423966
172.20.58.0/27 maxlen 29 source-as 4242420237
... IPv4 ROA
172.20.54.32/28 maxlen 29 source-as 4242422274
172.20.172.0/28 maxlen 29 source-as 4242423160
fd35:eeee:eeee::/48 maxlen 64 source-as 4242422006
fd88:ee35:b221::/48 maxlen 48 source-as 4242423679
... IPv6 ROA
fda3:ea2d:b60a::/48 maxlen 48 source-as 4242420228
fdfd:dead:c0de::/64 maxlen 64 source-as 4242421230
}
```
### filter{,6}.txt
```

38
roaapi.go
View File

@ -94,6 +94,7 @@ func InitROAAPI(params ...interface{}) {
s.HandleFunc("/filter/{ipv}", roaFilterHandler)
s.HandleFunc("/json", roaJSONHandler)
s.HandleFunc("/bird/{birdv}/{ipv}", roaBirdHandler)
s.HandleFunc("/obgpd/{ipv}", roaOBGPdHandler)
log.Info("ROA API installed")
}
@ -195,6 +196,43 @@ func roaBirdHandler(w http.ResponseWriter, r *http.Request) {
}
// return the roa in OpenBGPd format
func roaOBGPdHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
ipv := vars["ipv"]
// select ROA to emit
var roa []*PrefixROA
if strings.ContainsRune(ipv, '4') {
roa = append(roa, ROAData.IPv4...)
}
if strings.ContainsRune(ipv, '6') {
roa = append(roa, ROAData.IPv6...)
}
w.Header().Set("Content-Type", "text/plain")
w.Header().Set("Access-Control-Allow-Origin", "*")
// cache for up to a week, but set etag to commit to catch changes
w.Header().Set("Cache-Control", "public, max-age=7200, stale-if-error=604800")
w.Header().Set("ETag", ROAData.Commit)
// add header
fmt.Fprintf(w, "#\n# dn42regsrv ROA Generator\n# Last Updated: %s\n"+
"# Commit: %s\n#\nroa-set {\n", ROAData.CTime.String(), ROAData.Commit)
// output the ROA
format := " %s maxlen %d source-as %s\n"
for _, r := range roa {
fmt.Fprintf(w, format, r.Prefix, r.MaxLen, r.ASN[2:])
}
// add tail
fmt.Fprintf(w, "}\n")
}
//////////////////////////////////////////////////////////////////////////
// called whenever the registry is updated