static int
mntmnt(int n, Rpccall *cmd, Rpccall *reply)
{
int i;
char dom[64];
uchar *argptr = cmd->args;
uchar *dataptr = reply->results;
Authunix au;
Xfile *xp;
String root;
chat("mntmnt...\n");
if(n < 8)
return garbage(reply, "n too small");
argptr += string2S(argptr, &root);
if(argptr != &((uchar *)cmd->args)[n])
return garbage(reply, "bad count");
clog("host=%I, port=%ld, root=\"%.*s\"...",
cmd->host, cmd->port, utfnlen(root.s, root.n), root.s);
if(auth2unix(&cmd->cred, &au) != 0){
chat("auth flavor=%ld, count=%ld\n",
cmd->cred.flavor, cmd->cred.count);
for(i=0; i<cmd->cred.count; i++)
chat(" %.2ux", ((uchar *)cmd->cred.data)[i]);
chat("\n");
clog("auth: bad credentials");
return error(reply, 1);
}
clog("auth: %ld %.*s u=%ld g=%ld",
au.stamp, utfnlen(au.mach.s, au.mach.n), au.mach.s, au.uid, au.gid);
for(i=0; i<au.gidlen; i++)
chat(", %ld", au.gids[i]);
chat("...");
if(getdom(cmd->host, dom, sizeof(dom))<0){
clog("auth: unknown ip address");
return error(reply, 1);
}
chat("dom=%s...", dom);
xp = xfroot(root.s, root.n);
if(xp == 0){
chat("xp=0...");
clog("mntmnt: no fs");
return error(reply, 3);
}
PLONG(0);
dataptr += xp2fhandle(xp, dataptr);
chat("OK\n");
return dataptr - (uchar *)reply->results;
}
Xfid *
rpc2xfid(Rpccall *cmd, Dir *dp)
{
char *argptr = cmd->args;
Xfile *xp;
Xfid *xf;
Session *s;
char *service;
Authunix au;
Qid qid;
char client[256], *user;
Unixidmap *m;
int i;
uvlong x1, x2;
chat("rpc2xfid %.8lux %.8lux %p %p\n", *((ulong*)argptr), *((ulong*)argptr+1), buf, argptr);
if(argptr[0] == 0 && argptr[1] == 0){ /* root */
chat("root...");
xp = xfroot(&argptr[2], 0);
s = xp ? xp->s : 0;
}else{
ulong ul;
chat("noroot %.8lux...", *((ulong*)argptr));
if((ul=GLONG()) != starttime){
chat("bad tag %lux %lux...", ul, starttime);
return 0;
}
s = (Session *)GLONG();
x1 = GLONG();
x2 = GLONG();
qid.path = x1 | (x2<<32);
qid.vers = 0;
qid.type = GBYTE();
xp = xfile(&qid, s, 0);
}
if(xp == 0){
chat("no xfile...");
return 0;
}
if(auth2unix(&cmd->cred, &au) != 0){
chat("auth flavor=%ld, count=%ld\n",
cmd->cred.flavor, cmd->cred.count);
for(i=0; i<cmd->cred.count; i++)
chat(" %.2ux", ((uchar *)cmd->cred.data)[i]);
chat("...");
return 0;
}else{
/* chat("auth: %d %.*s u=%d g=%d",
* au.stamp, utfnlen(au.mach.s, au.mach.n), au.mach.s, au.uid, au.gid);
* for(i=0; i<au.gidlen; i++)
* chat(", %d", au.gids[i]);
* chat("...");
*/
char *p = memchr(au.mach.s, '.', au.mach.n);
chat("%ld@%.*s...", au.uid, utfnlen(au.mach.s, (p ? p-au.mach.s : au.mach.n)), au.mach.s);
}
if(au.mach.n >= sizeof client){
chat("client name too long...");
return 0;
}
memcpy(client, au.mach.s, au.mach.n);
client[au.mach.n] = 0;
service = xp->parent->s->service;
cmd->up = m = pair2idmap(service, cmd->host);
if(m == 0){
chat("no map for pair (%s,%s)...", service, client);
/*chat("getdom %d.%d.%d.%d", cmd->host&0xFF, (cmd->host>>8)&0xFF,
(cmd->host>>16)&0xFF, (cmd->host>>24)&0xFF);/**/
/*if(getdom(cmd->host, client, sizeof(client))<0)
return 0;/**/
return 0;
}
/*chat("map=(%s,%s)...", m->server, m->client);/**/
cmd->user = user = id2name(&m->u.ids, au.uid);
if(user == 0){
chat("no user for id %ld...", au.uid);
return 0;
}
chat("user=%s...", user);/**/
xf = 0;
if(s == xp->parent->s){
if(!s->noauth)
xf = setuser(xp, user);
if(xf == 0)
xf = setuser(xp, "none");
if(xf == 0)
chat("can't set user none...");
}else
xf = xp->users;
if(xf)
chat("uid=%s...", xf->uid);
if(xf && dp && xfstat(xf, dp) < 0){
chat("can't stat %s...", xp->name);
return 0;
}
return xf;
}
