#if !defined(lint) && defined(SCCSIDS)
static char sccsid[] = "@(#)svc_auth_unix.c 1.28 88/02/08 Copyr 1984 Sun Micro";
#endif
#include <stdio.h>
#include <string.h>
#include <gssrpc/rpc.h>
enum auth_stat
gssrpc__svcauth_unix(
register struct svc_req *rqst,
register struct rpc_msg *msg,
bool_t *dispatch)
{
register enum auth_stat stat;
XDR xdrs;
register struct authunix_parms *aup;
register rpc_inline_t *buf;
struct area {
struct authunix_parms area_aup;
char area_machname[MAX_MACHINE_NAME+1];
int area_gids[NGRPS];
} *area;
u_int auth_len, str_len, gid_len;
register int i;
rqst->rq_xprt->xp_auth = &svc_auth_none;
area = (struct area *) rqst->rq_clntcred;
aup = &area->area_aup;
aup->aup_machname = area->area_machname;
aup->aup_gids = area->area_gids;
auth_len = msg->rm_call.cb_cred.oa_length;
if (auth_len > INT_MAX)
return AUTH_BADCRED;
xdrmem_create(&xdrs, msg->rm_call.cb_cred.oa_base, auth_len,XDR_DECODE);
buf = XDR_INLINE(&xdrs, (int)auth_len);
if (buf != NULL) {
aup->aup_time = IXDR_GET_LONG(buf);
str_len = IXDR_GET_U_LONG(buf);
if (str_len > MAX_MACHINE_NAME) {
stat = AUTH_BADCRED;
goto done;
}
memmove(aup->aup_machname, buf, str_len);
aup->aup_machname[str_len] = 0;
str_len = RNDUP(str_len);
buf += str_len / BYTES_PER_XDR_UNIT;
aup->aup_uid = IXDR_GET_LONG(buf);
aup->aup_gid = IXDR_GET_LONG(buf);
gid_len = IXDR_GET_U_LONG(buf);
if (gid_len > NGRPS) {
stat = AUTH_BADCRED;
goto done;
}
aup->aup_len = gid_len;
for (i = 0; i < gid_len; i++) {
aup->aup_gids[i] = IXDR_GET_LONG(buf);
}
if ((5 + gid_len) * BYTES_PER_XDR_UNIT + str_len > auth_len) {
(void) printf("bad auth_len gid %u str %u auth %u\n",
gid_len, str_len, auth_len);
stat = AUTH_BADCRED;
goto done;
}
} else if (! xdr_authunix_parms(&xdrs, aup)) {
xdrs.x_op = XDR_FREE;
(void)xdr_authunix_parms(&xdrs, aup);
stat = AUTH_BADCRED;
goto done;
}
rqst->rq_xprt->xp_verf.oa_flavor = AUTH_NULL;
rqst->rq_xprt->xp_verf.oa_length = 0;
stat = AUTH_OK;
done:
XDR_DESTROY(&xdrs);
return (stat);
}
enum auth_stat
gssrpc__svcauth_short(
struct svc_req *rqst,
struct rpc_msg *msg,
bool_t *dispatch)
{
rqst->rq_xprt->xp_auth = &svc_auth_none;
return (AUTH_REJECTEDCRED);
}