diff options
Diffstat (limited to 'sunrpc/svc_authux.c')
| -rw-r--r-- | sunrpc/svc_authux.c | 145 |
1 files changed, 76 insertions, 69 deletions
diff --git a/sunrpc/svc_authux.c b/sunrpc/svc_authux.c index 59fdde6..04cff9c 100644 --- a/sunrpc/svc_authux.c +++ b/sunrpc/svc_authux.c @@ -43,80 +43,89 @@ static char sccsid[] = "@(#)svc_auth_unix.c 1.28 88/02/08 Copyr 1984 Sun Micro"; */ #include <stdio.h> +#include <string.h> #include <rpc/rpc.h> +#include <rpc/svc.h> /* * Unix longhand authenticator */ enum auth_stat -_svcauth_unix(rqst, msg) - register struct svc_req *rqst; - register struct rpc_msg *msg; +_svcauth_unix (struct svc_req *rqst, struct rpc_msg *msg) { - register enum auth_stat stat; - XDR xdrs; - register struct authunix_parms *aup; - register long *buf; - struct area { - struct authunix_parms area_aup; - char area_machname[MAX_MACHINE_NAME+1]; - gid_t area_gids[NGRPS]; - } *area; - u_int auth_len; - int str_len, gid_len; - register int i; + enum auth_stat stat; + XDR xdrs; + struct authunix_parms *aup; + long *buf; + struct area + { + struct authunix_parms area_aup; + char area_machname[MAX_MACHINE_NAME + 1]; + gid_t area_gids[NGRPS]; + } + *area; + u_int auth_len; + u_int str_len, gid_len; + u_int i; - area = (struct area *) rqst->rq_clntcred; - aup = &area->area_aup; - aup->aup_machname = area->area_machname; - aup->aup_gids = area->area_gids; - auth_len = (u_int)msg->rm_call.cb_cred.oa_length; - xdrmem_create(&xdrs, msg->rm_call.cb_cred.oa_base, auth_len,XDR_DECODE); - buf = XDR_INLINE(&xdrs, 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; - } - bcopy((caddr_t)buf, aup->aup_machname, (u_int)str_len); - aup->aup_machname[str_len] = 0; - str_len = RNDUP(str_len); - buf = (u_long *) ((char *) buf + str_len); - 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); - } - /* - * five is the smallest unix credentials structure - - * timestamp, hostname len (0), uid, gid, and gids len (0). - */ - if ((5 + gid_len) * BYTES_PER_XDR_UNIT + str_len > auth_len) { - (void) printf("bad auth_len gid %d str %d auth %d\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; + area = (struct area *) rqst->rq_clntcred; + aup = &area->area_aup; + aup->aup_machname = area->area_machname; + aup->aup_gids = area->area_gids; + auth_len = (u_int) msg->rm_call.cb_cred.oa_length; + xdrmem_create (&xdrs, msg->rm_call.cb_cred.oa_base, auth_len, XDR_DECODE); + buf = XDR_INLINE (&xdrs, 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; } - rqst->rq_xprt->xp_verf.oa_flavor = AUTH_NULL; - rqst->rq_xprt->xp_verf.oa_length = 0; - stat = AUTH_OK; + bcopy ((caddr_t) buf, aup->aup_machname, (u_int) str_len); + aup->aup_machname[str_len] = 0; + str_len = RNDUP (str_len); + buf = (u_long *) ((char *) buf + str_len); + 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); + } + /* + * five is the smallest unix credentials structure - + * timestamp, hostname len (0), uid, gid, and gids len (0). + */ + if ((5 + gid_len) * BYTES_PER_XDR_UNIT + str_len > auth_len) + { + (void) printf ("bad auth_len gid %d str %d auth %d\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); + XDR_DESTROY (&xdrs); + return stat; } @@ -124,11 +133,9 @@ done: * Shorthand unix authenticator * Looks up longhand in a cache. */ -/*ARGSUSED*/ +/*ARGSUSED */ enum auth_stat -_svcauth_short(rqst, msg) - struct svc_req *rqst; - struct rpc_msg *msg; +_svcauth_short (struct svc_req *rqst, struct rpc_msg *msg) { - return (AUTH_REJECTEDCRED); + return AUTH_REJECTEDCRED; } |