19a747e4fSDavid du Colombier #include <u.h>
29a747e4fSDavid du Colombier #include <libc.h>
39a747e4fSDavid du Colombier #include <authsrv.h>
49a747e4fSDavid du Colombier #include <bio.h>
59a747e4fSDavid du Colombier #include <ndb.h>
69a747e4fSDavid du Colombier
79a747e4fSDavid du Colombier int
authdial(char * netroot,char * dom)89a747e4fSDavid du Colombier authdial(char *netroot, char *dom)
99a747e4fSDavid du Colombier {
1057837e0bSDavid du Colombier char *p;
1157837e0bSDavid du Colombier int rv;
129a747e4fSDavid du Colombier
13*ebbc20e5SDavid du Colombier if(dom == nil)
14*ebbc20e5SDavid du Colombier /* look for one relative to my machine */
15*ebbc20e5SDavid du Colombier return dial(netmkaddr("$auth", netroot, "ticket"), 0, 0, 0);
16*ebbc20e5SDavid du Colombier
179a747e4fSDavid du Colombier /* look up an auth server in an authentication domain */
1857837e0bSDavid du Colombier p = csgetvalue(netroot, "authdom", dom, "auth", nil);
199a747e4fSDavid du Colombier
209a747e4fSDavid du Colombier /* if that didn't work, just try the IP domain */
2157837e0bSDavid du Colombier if(p == nil)
2257837e0bSDavid du Colombier p = csgetvalue(netroot, "dom", dom, "auth", nil);
23*ebbc20e5SDavid du Colombier /*
24*ebbc20e5SDavid du Colombier * if that didn't work, try p9auth.$dom. this is very helpful if
25*ebbc20e5SDavid du Colombier * you can't edit /lib/ndb.
26*ebbc20e5SDavid du Colombier */
27*ebbc20e5SDavid du Colombier if(p == nil)
28*ebbc20e5SDavid du Colombier p = smprint("p9auth.%s", dom);
29*ebbc20e5SDavid du Colombier if(p == nil){ /* should no longer ever happen */
309a747e4fSDavid du Colombier werrstr("no auth server found for %s", dom);
319a747e4fSDavid du Colombier return -1;
329a747e4fSDavid du Colombier }
3357837e0bSDavid du Colombier rv = dial(netmkaddr(p, netroot, "ticket"), 0, 0, 0);
3457837e0bSDavid du Colombier free(p);
3557837e0bSDavid du Colombier return rv;
369a747e4fSDavid du Colombier }
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