1 fd04aace 2003-11-23 devnull #include <u.h>
 2 fd04aace 2003-11-23 devnull #include <libc.h>
 3 fd04aace 2003-11-23 devnull #include <ctype.h>
 4 fd04aace 2003-11-23 devnull 
 5 fd04aace 2003-11-23 devnull /*
 6 fd04aace 2003-11-23 devnull  *  make an address, add the defaults
 7 fd04aace 2003-11-23 devnull  */
 8 fd04aace 2003-11-23 devnull char *
 9 fd04aace 2003-11-23 devnull netmkaddr(char *linear, char *defnet, char *defsrv)
10 fd04aace 2003-11-23 devnull {
11 fd04aace 2003-11-23 devnull 	static char addr[256];
12 fd04aace 2003-11-23 devnull 	char *cp;
13 fd04aace 2003-11-23 devnull 
14 fd04aace 2003-11-23 devnull 	/*
15 fd04aace 2003-11-23 devnull 	 *  dump network name
16 fd04aace 2003-11-23 devnull 	 */
17 fd04aace 2003-11-23 devnull 	cp = strchr(linear, '!');
18 fd04aace 2003-11-23 devnull 	if(cp == 0){
19 6215fd56 2006-07-23 devnull 		if(defnet == 0)
20 6215fd56 2006-07-23 devnull 			defnet = "net";
21 6215fd56 2006-07-23 devnull 		/* allow unix sockets to omit unix! prefix */
22 6215fd56 2006-07-23 devnull 		if(access(linear, 0) >= 0){
23 6215fd56 2006-07-23 devnull 			snprint(addr, sizeof(addr), "unix!%s", linear);
24 6215fd56 2006-07-23 devnull 			return addr;
25 fd04aace 2003-11-23 devnull 		}
26 6215fd56 2006-07-23 devnull 		/* allow host:service in deference to Unix convention */
27 6215fd56 2006-07-23 devnull 		if((cp = strchr(linear, ':')) != nil){
28 fa325e9b 2020-01-10 cross 			snprint(addr, sizeof(addr), "%s!%.*s!%s",
29 6215fd56 2006-07-23 devnull 				defnet, utfnlen(linear, cp-linear),
30 6215fd56 2006-07-23 devnull 				linear, cp+1);
31 6215fd56 2006-07-23 devnull 			return addr;
32 fd04aace 2003-11-23 devnull 		}
33 6215fd56 2006-07-23 devnull 		if(defsrv)
34 6215fd56 2006-07-23 devnull 			snprint(addr, sizeof(addr), "%s!%s!%s",
35 6215fd56 2006-07-23 devnull 				defnet, linear, defsrv);
36 6215fd56 2006-07-23 devnull 		else
37 6215fd56 2006-07-23 devnull 			snprint(addr, sizeof(addr), "%s!%s", defnet, linear);
38 fd04aace 2003-11-23 devnull 		return addr;
39 fd04aace 2003-11-23 devnull 	}
40 fd04aace 2003-11-23 devnull 
41 fd04aace 2003-11-23 devnull 	/*
42 fd04aace 2003-11-23 devnull 	 *  if there is already a service, use it
43 fd04aace 2003-11-23 devnull 	 */
44 fd04aace 2003-11-23 devnull 	cp = strchr(cp+1, '!');
45 fd04aace 2003-11-23 devnull 	if(cp)
46 fd04aace 2003-11-23 devnull 		return linear;
47 fd04aace 2003-11-23 devnull 
48 fd04aace 2003-11-23 devnull 	/*
49 e082105c 2008-06-11 rsc 	 * if the network is unix, no service
50 e082105c 2008-06-11 rsc 	 */
51 e082105c 2008-06-11 rsc 	if(strncmp(linear, "unix!", 5) == 0)
52 e082105c 2008-06-11 rsc 		return linear;
53 e082105c 2008-06-11 rsc 
54 e082105c 2008-06-11 rsc 	/*
55 fd04aace 2003-11-23 devnull 	 *  add default service
56 fd04aace 2003-11-23 devnull 	 */
57 fd04aace 2003-11-23 devnull 	if(defsrv == 0)
58 fd04aace 2003-11-23 devnull 		return linear;
59 fd04aace 2003-11-23 devnull 
60 e082105c 2008-06-11 rsc 	snprint(addr, sizeof(addr), "%s!%s", linear, defsrv);
61 fd04aace 2003-11-23 devnull 	return addr;
62 fd04aace 2003-11-23 devnull }