mirror of
https://github.com/0intro/conterm
synced 2024-11-25 07:09:34 +03:00
74 lines
1.4 KiB
C
74 lines
1.4 KiB
C
#include <u.h>
|
|
#include <libc.h>
|
|
#include <auth.h>
|
|
#include <authsrv.h>
|
|
#include "authlocal.h"
|
|
|
|
enum {
|
|
ARgiveup = 100,
|
|
};
|
|
|
|
static int
|
|
dorpc(AuthRpc *rpc, char *verb, char *val, int len, AuthGetkey *getkey)
|
|
{
|
|
int ret;
|
|
|
|
for(;;){
|
|
if((ret = auth_rpc(rpc, verb, val, len)) != ARneedkey && ret != ARbadkey)
|
|
return ret;
|
|
if(getkey == 0)
|
|
return ARgiveup; /* don't know how */
|
|
if((*getkey)(rpc->arg) < 0)
|
|
return ARgiveup; /* user punted */
|
|
}
|
|
}
|
|
|
|
int
|
|
auth_respond(void *chal, uint nchal, char *user, uint nuser, void *resp, uint nresp, AuthGetkey *getkey, char *fmt, ...)
|
|
{
|
|
char *p, *s;
|
|
va_list arg;
|
|
int afd;
|
|
AuthRpc *rpc;
|
|
Attr *a;
|
|
|
|
if((afd = open("/mnt/factotum/rpc", ORDWR)) < 0)
|
|
return -1;
|
|
|
|
if((rpc = auth_allocrpc(afd)) == nil){
|
|
close(afd);
|
|
return -1;
|
|
}
|
|
|
|
quotefmtinstall(); /* just in case */
|
|
va_start(arg, fmt);
|
|
p = vsmprint(fmt, arg);
|
|
va_end(arg);
|
|
|
|
if(p==nil
|
|
|| dorpc(rpc, "start", p, strlen(p), getkey) != ARok
|
|
|| dorpc(rpc, "write", chal, nchal, getkey) != ARok
|
|
|| dorpc(rpc, "read", nil, 0, getkey) != ARok){
|
|
free(p);
|
|
close(afd);
|
|
auth_freerpc(rpc);
|
|
return -1;
|
|
}
|
|
free(p);
|
|
|
|
if(rpc->narg < nresp)
|
|
nresp = rpc->narg;
|
|
memmove(resp, rpc->arg, nresp);
|
|
|
|
if((a = auth_attr(rpc)) != nil
|
|
&& (s = _strfindattr(a, "user")) != nil && strlen(s) < nuser)
|
|
strcpy(user, s);
|
|
else if(nuser > 0)
|
|
user[0] = '\0';
|
|
|
|
_freeattr(a);
|
|
close(afd);
|
|
auth_freerpc(rpc);
|
|
return nresp;
|
|
}
|