1 #include <u.h>
2 #include <libc.h>
3 #include <ip.h>
4 #include <thread.h>
5 #include <sunrpc.h>
6 
7 typedef struct Arg Arg;
8 struct Arg
9 {
10 	int fd;
11 	char adir[40];
12 	SunSrv *srv;
13 };
14 
15 static void
16 sunnetlisten(void *v)
17 {
18 	int fd, lcfd;
19 	char ldir[40];
20 	uchar ip[IPaddrlen];
21 	int port;
22 	Arg *a = v;
23 	NetConnInfo *nci;
24 
25 	for(;;){
26 		lcfd = listen(a->adir, ldir);
27 		if(lcfd < 0)
28 			break;
29 		fd = accept(lcfd, ldir);
30 		close(lcfd);
31 		if(fd < 0)
32 			continue;
33 		if(a->srv->ipokay){
34 			if((nci = getnetconninfo(nil, fd)) == nil){
35 				close(fd);
36 				continue;
37 			}
38 			port = atoi(nci->rserv);
39 			parseip(ip, nci->raddr);
40 			freenetconninfo(nci);
41 			if(!a->srv->ipokay(ip, port)){
42 				close(fd);
43 				continue;
44 			}
45 		}
46 		if(!sunsrvfd(a->srv, fd))
47 			close(fd);
48 	}
49 	free(a);
50 	close(a->fd);
51 }
52 
53 int
54 sunsrvnet(SunSrv *srv, char *addr)
55 {
56 	Arg *a;
57 
58 	a = emalloc(sizeof(Arg));
59 	if((a->fd = announce(addr, a->adir)) < 0)
60 		return -1;
61 	a->srv = srv;
62 
63 	proccreate(sunnetlisten, a, SunStackSize);
64 	return 0;
65 }
66 
67 int
68 sunsrvannounce(SunSrv *srv, char *addr)
69 {
70 	if(strstr(addr, "udp!"))
71 		return sunsrvudp(srv, addr);
72 	else
73 		return sunsrvnet(srv, addr);
74 }