1 #include <u.h>
2 #include <sys/socket.h>
3 #include <netinet/in.h>
4 #include <libc.h>
5 #include "mountnfs.h"
6 
7 void
8 usage(void)
9 {
10 	fprint(2, "usage: vmount [-v] [-h handle] address mountpoint\n");
11 	exits("usage");
12 }
13 
14 int handlelen = 20;
15 uchar handle[64] = {
16 	/* SHA1("/") */
17 	0x42, 0x09, 0x9B, 0x4A, 0xF0, 0x21, 0xE5, 0x3F, 0xD8, 0xFD,
18 	0x4E, 0x05, 0x6C, 0x25, 0x68, 0xD7, 0xC2, 0xE3, 0xFF, 0xA8,
19 };
20 
21 void
22 main(int argc, char **argv)
23 {
24 	char *p, *net, *unx;
25 	u32int host;
26 	int n, port, proto, verbose;
27 	struct sockaddr_in sa;
28 
29 	verbose = 0;
30 	ARGBEGIN{
31 	case 'h':
32 		p = EARGF(usage());
33 		n = strlen(p);
34 		if(n%2)
35 			sysfatal("bad handle '%s'", p);
36 		if(n > 2*sizeof handle)
37 			sysfatal("handle too long '%s'", p);
38 		handlelen = n/2;
39 		if(dec16(handle, n/2, p, n) != n/2)
40 			sysfatal("bad hex in handle '%s'", p);
41 		break;
42 
43 	case 'v':
44 		verbose = 1;
45 		break;
46 
47 	default:
48 		usage();
49 	}ARGEND
50 
51 	if(argc != 2)
52 		usage();
53 
54 	p = p9netmkaddr(argv[0], "udp", "nfs");
55 	if(p9dialparse(strdup(p), &net, &unx, &host, &port) < 0)
56 		sysfatal("bad address '%s'", p);
57 
58 	if(verbose)
59 		print("nfs server is net=%s addr=%d.%d.%d.%d port=%d\n",
60 			net, host&0xFF, (host>>8)&0xFF, (host>>16)&0xFF, host>>24, port);
61 
62 	proto = 0;
63 	if(strcmp(net, "tcp") == 0)
64 		proto = SOCK_STREAM;
65 	else if(strcmp(net, "udp") == 0)
66 		proto = SOCK_DGRAM;
67 	else
68 		sysfatal("bad proto %s: can only handle tcp and udp", net);
69 
70 	memset(&sa, 0, sizeof sa);
71 	memmove(&sa.sin_addr, &host, 4);
72 	sa.sin_family = AF_INET;
73 	sa.sin_port = htons(port);
74 
75 	mountnfs(proto, &sa, handle, handlelen, argv[1]);
76 	exits(0);
77 }