tplan9.c - plan9port - [fork] Plan 9 from user space
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       ---
       tplan9.c (753B)
       ---
            1 #include "std.h"
            2 #include "dat.h"
            3 #include <bio.h>
            4 
            5 int
            6 memrandom(void *p, int n)
            7 {
            8         uchar *cp;
            9 
           10         for(cp = (uchar*)p; n > 0; n--)
           11                 *cp++ = fastrand();
           12         return 0;
           13 }
           14 
           15 Attr*
           16 addcap(Attr *a, char *from, Ticket *t)
           17 {
           18         return addattr(a, "cuid=%q suid=%q cap=''", t->cuid, t->suid);
           19 }
           20 
           21 int
           22 _authdial(char *net, char *authdom)
           23 {
           24         return authdial(net, authdom);
           25 }
           26 
           27 Key*
           28 plan9authkey(Attr *a)
           29 {
           30         char *dom;
           31         Key *k;
           32 
           33         /*
           34          * The only important part of a is dom.
           35          * We don't care, for example, about user name.
           36          */
           37         dom = strfindattr(a, "dom");
           38         if(dom)
           39                 k = keylookup("proto=p9sk1 role=server user? dom=%q", dom);
           40         else
           41                 k = keylookup("proto=p9sk1 role=server user? dom?");
           42         if(k == nil)
           43                 werrstr("could not find plan 9 auth key dom %q", dom);
           44         return k;
           45 }