Npuser *
np_attach2user (Npsrv *srv, Npstr *uname, u32 n_uname)
{
Npuser *u = NULL;
char *s;
if (n_uname != P9_NONUNAME) {
u = np_uid2user (srv, n_uname);
} else {
if (uname->len == 0) {
np_uerror (EIO);
goto done;
}
s = np_strdup (uname);
if (!s) {
np_uerror (ENOMEM);
goto done;
}
u = np_uname2user (srv, s);
free (s);
}
done:
return u;
}
int
main(int argc, char **argv)
{
int sfd, i, n, off;
int c, port;
char *addr, *s;
char *uname, *path;
Npuser *user;
Npcfsys *fs;
Npcfid *fid;
struct sockaddr_in saddr;
struct hostent *hostinfo;
char buf[512];
port = 564;
// npc_chatty = 1;
user = np_uid2user(geteuid());
if (!user) {
fprintf(stderr, "cannot retrieve user %d\n", geteuid());
exit(1);
}
uname = user->uname;
while ((c = getopt(argc, argv, "dp:")) != -1) {
switch (c) {
case 'd':
npc_chatty = 1;
break;
case 'p':
port = strtol(optarg, &s, 10);
if (*s != '\0')
usage();
break;
case 'u':
uname = optarg;
break;
default:
usage();
}
}
if (argc - optind < 2)
usage();
addr = argv[optind];
path = argv[optind+1];
sfd = socket(PF_INET, SOCK_STREAM, 0);
if (sfd < 0) {
perror("socket");
exit(1);
}
hostinfo = gethostbyname (addr);
if (!hostinfo) {
perror("gethostbyname");
exit(1);
}
saddr.sin_family = AF_INET;
saddr.sin_port = htons(port);
saddr.sin_addr = *(struct in_addr *) hostinfo->h_addr;
if (connect(sfd, (struct sockaddr *) &saddr, sizeof(saddr)) < 0) {
perror("connect");
exit(1);
}
fs = npc_mount(sfd, NULL, "lucho");
fid = npc_open(fs, path, Oread);
if (!fid) {
fprintf(stderr, "cannot open\n");
exit(1);
}
off = 0;
while ((n = npc_read(fid, (u8*) buf, sizeof(buf), off)) > 0) {
i = write(1, buf, n);
if (i != n) {
fprintf(stderr, "error writing\n");
exit(1);
}
off += n;
}
npc_close(fid);
npc_umount(fs);
exit(0);
}
int
main(int argc, char **argv)
{
int c, debuglevel, nwthreads;
pid_t pid;
Npuser *user;
char *opts, *s;
debuglevel = 0;
nwthreads = 16;
user = np_uid2user(getuid());
while ((c = getopt(argc, argv, "dw:")) != -1) {
switch (c) {
case 'd':
debuglevel = 1;
break;
case 'w':
nwthreads = strtol(optarg, &s, 10);
if (*s != '\0')
usage();
break;
default:
fprintf(stderr, "invalid option\n");
}
}
if (optind >= argc)
usage();
if (!user) {
fprintf(stderr, "invalid user\n");
return -1;
}
close(0);
close(1);
close(2);
pid = fork();
if (pid < 0)
return -1;
else if (pid != 0)
return 0;
setsid();
chdir("/");
root = npfile_alloc(NULL, strdup(""), 0755|Dmdir, 0, &rootops, NULL);
root->parent = root;
npfile_incref(root);
root->atime = time(NULL);
root->mtime = root->atime;
root->uid = user;
root->gid = user->dfltgroup;
root->muid = user;
null = npfile_alloc(root, strdup("null"), 0644, 1, &nullops, NULL);
npfile_incref(null);
root->dirfirst = null;
root->dirlast = null;
srv = np_pipesrv_create(nwthreads);
if (!srv)
return -1;
srv->debuglevel = debuglevel;
srv->connclose = null_connclose;
npfile_init_srv(srv, root);
np_pipesrv_mount(srv, argv[optind], user->uname, 0, opts);
while (1) {
sleep(100);
}
return 0;
}
