Hi !
I'd like to switch off option 160 on a certain network. Therefore I issued
the following command to the API:
curl -X DELETE -H "Content-Type: application/json" -d
'[{"option":"optionCaptivePortal","value":https://aa.bb.cc/rfc7710,"type":"s
tring"}]' http://127.0.0.1:22222/api/v1/dhcp/options/network/172.16.118.0
which was acknowledged: {"status":"ACK","network":"172.16.118.0"}
Unfortunately, that did not deleted it . It's still there even after a
configreload hard and a full reboot .
Than I tried something stupid by sending an empty value:
curl -H "Content-Type: application/json" -d
'[{"option":160,"value":"","type":"string"}]'
http://127.0.0.1:22222/api/v1/dhcp/options/network/172.16.118.0
And that broke the API:
>From the pfdhcp.log:
Aug 6 15:15:01 nrd01 pfdhcp: 2021/08/06 15:15:01 http: panic serving
127.0.0.1:56104: runtime error: invalid memory address or nil pointer
dereference
Aug 6 15:15:01 nrd01 pfdhcp: goroutine 55255 [running]:
Aug 6 15:15:01 nrd01 pfdhcp: net/http.(*conn).serve.func1(0xc0002352c0)
Aug 6 15:15:01 nrd01 pfdhcp: /usr/local/go/src/net/http/server.go:1801
+0x147
Aug 6 15:15:01 nrd01 pfdhcp: panic(0x7aa0c0, 0xa7df90)
Aug 6 15:15:01 nrd01 pfdhcp: /usr/local/go/src/runtime/panic.go:975 +0x47a
Aug 6 15:15:01 nrd01 pfdhcp: main.(*Interface).handleAPIReq(0xc00021e580,
0x816957, 0x5, 0xc000571f70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
Aug 6 15:15:01 nrd01 pfdhcp:
/builds/inverse-inc/packetfence/go/cmd/pfdhcp/api.go:401 +0xf52
Aug 6 15:15:01 nrd01 pfdhcp: main.handleAllStats(0x894340, 0xc000164700,
0xc00069c900)
Aug 6 15:15:01 nrd01 pfdhcp:
/builds/inverse-inc/packetfence/go/cmd/pfdhcp/api.go:135 +0x43c
Aug 6 15:15:01 nrd01 pfdhcp: net/http.HandlerFunc.ServeHTTP(0x835a10,
0x894340, 0xc000164700, 0xc00069c900)
Aug 6 15:15:01 nrd01 pfdhcp: /usr/local/go/src/net/http/server.go:2042
+0x44
Aug 6 15:15:01 nrd01 pfdhcp:
github.com/gorilla/mux.(*Router).ServeHTTP(0xc0002503c0, 0x894340,
0xc000164700, 0xc0006ef400)
Aug 6 15:15:01 nrd01 pfdhcp:
/root/go/pkg/mod/github.com/gorilla/[email protected]/mux.go:212
<mailto:/root/go/pkg/mod/github.com/gorilla/[email protected]/mux.go:212> +0xd3
Aug 6 15:15:01 nrd01 pfdhcp: net/http.serverHandler.ServeHTTP(0xc0003b2540,
0x894340, 0xc000164700, 0xc0006ef400)
Aug 6 15:15:01 nrd01 pfdhcp: /usr/local/go/src/net/http/server.go:2843
+0xa3
Aug 6 15:15:01 nrd01 pfdhcp: net/http.(*conn).serve(0xc0002352c0, 0x895100,
0xc0001c1f00)
Aug 6 15:15:01 nrd01 pfdhcp: /usr/local/go/src/net/http/server.go:1925
+0x8ad
Aug 6 15:15:01 nrd01 pfdhcp: created by net/http.(*Server).Serve
Aug 6 15:15:01 nrd01 pfdhcp: /usr/local/go/src/net/http/server.go:2969
+0x36c
Just adding an URL again via the API does not work. I guess recreating the
network will do the trick to fix it ?
But more important, how to switch off this DHCP option entirely ?
PF Version 10.3.0
Thank you !
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