static int
pc1auth(int n, Rpccall *cmd, Rpccall *reply)
{
uchar *argptr = cmd->args;
uchar *dataptr = reply->results;
String id, pw;
Unixidmap *m;
int uid;
chat("host=%I, port=%ld: pcauth...",
cmd->host, cmd->port);
if(n <= 8)
return garbage(reply, "count too small");
argptr += string2S(argptr, &id);
argptr += string2S(argptr, &pw);
if(argptr != &((uchar*)cmd->args)[n])
return garbage(reply, "bad count");
scramble(&id);
scramble(&pw);
m = pair2idmap("pcnfsd", cmd->host);
uid = -1;
if(m)
uid = name2id(&m->u.ids, id.s);
if(uid < 0)
uid = 1;
chat("\"%.*s\",\"%.*s\" uid=%d\n", utfnlen(id.s, id.n), id.s, utfnlen(pw.s, pw.n), pw.s, uid);
PLONG(0); /* status */
PLONG(uid); /* uid */
PLONG(uid); /* gid */
return dataptr - (uchar*)reply->results;
}
void
mapinit(char *file, char *client)
{
if(file){
print("reading %s...\n", file);
if(readunixidmaps(file) < 0)
exits("readunixidmaps");
if(!client)
client = "nslocum.research.bell-labs.com";
}
print("client = %s...\n", client);
mp = pair2idmap("bootes", client, 0);
if(mp == 0){
fprint(2, "%s: pair2idmap failed\n", argv0);
exits("pair2idmap");
}
pids = &mp->u.ids;
print("[users...]\n");
}
static int
pcauth(int n, Rpccall *cmd, Rpccall *reply)
{
uchar *argptr = cmd->args;
uchar *dataptr = reply->results;
String sys, id, pw, cm;
Unixidmap *m;
int uid;
chat("host=%I, port=%ld: pcauth...",
cmd->host, cmd->port);
if(n <= 16)
return garbage(reply, "count too small");
argptr += string2S(argptr, &sys);
argptr += string2S(argptr, &id);
argptr += string2S(argptr, &pw);
argptr += string2S(argptr, &cm);
if(argptr != &((uchar *)cmd->args)[n])
return garbage(reply, "bad count");
scramble(&id);
scramble(&pw);
m = pair2idmap("pcnfsd", cmd->host);
uid = -1;
if(m)
uid = name2id(&m->u.ids, id.s);
if(uid < 0)
uid = 1;
chat("\"%.*s\",\"%.*s\",\"%.*s\",\"%.*s\"\n", utfnlen(sys.s, sys.n), sys.s,
utfnlen(id.s, id.n), id.s, utfnlen(pw.s, pw.n), pw.s, utfnlen(cm.s, cm.n), cm.s);
PLONG(0); /* status - OK */
PLONG(uid);
PLONG(uid); /* gid */
PLONG(0); /* ngids */
PLONG(sizeof(pc_home)-1);
PPTR(pc_home, sizeof(pc_home)-1);
PLONG(0); /* umask */
PLONG(sizeof(no_comment)-1);
PPTR(no_comment, sizeof(no_comment)-1);
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;
}
