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authorAmar Tumballi <amar@gluster.com>2012-01-17 05:28:51 +0530
committerAnand Avati <avati@gluster.com>2012-01-24 20:14:17 -0800
commitb02afc6d008f9959db28244eb2b9dd3b9ef92393 (patch)
treec0bad790fb34f8ab2747b480d334cf9af75c5514 /rpc/rpc-lib/src/auth-glusterfs.c
parent0694749c3e5039be327110a64dd66619b5d9121c (diff)
core: change lk-owner as a 1k buffer
so, NLM can send the lk-owner field directly to the locks translators, while doing the same effort, also enabled sending maximum of 500 aux gid over protocol. Change-Id: I87c2514392748416f7ffe21d5154faad2e413969 Signed-off-by: Amar Tumballi <amar@gluster.com> BUG: 767229 Reviewed-on: http://review.gluster.com/779 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Anand Avati <avati@gluster.com>
Diffstat (limited to 'rpc/rpc-lib/src/auth-glusterfs.c')
-rw-r--r--rpc/rpc-lib/src/auth-glusterfs.c216
1 files changed, 123 insertions, 93 deletions
diff --git a/rpc/rpc-lib/src/auth-glusterfs.c b/rpc/rpc-lib/src/auth-glusterfs.c
index 4faaddb9e7b..9996bfad458 100644
--- a/rpc/rpc-lib/src/auth-glusterfs.c
+++ b/rpc/rpc-lib/src/auth-glusterfs.c
@@ -29,94 +29,9 @@
#include "dict.h"
#include "xdr-rpc.h"
#include "xdr-common.h"
+#include "rpc-common-xdr.h"
-bool_t
-xdr_auth_glusterfs_parms (XDR *xdrs, auth_glusterfs_parms *objp)
-{
- register int32_t *buf;
-
- int i;
-
- if (xdrs->x_op == XDR_ENCODE) {
- if (!xdr_u_quad_t (xdrs, &objp->lk_owner))
- return FALSE;
- buf = XDR_INLINE (xdrs, (4 + 16 )* BYTES_PER_XDR_UNIT);
- if (buf == NULL) {
- if (!xdr_u_int (xdrs, &objp->pid))
- return FALSE;
- if (!xdr_u_int (xdrs, &objp->uid))
- return FALSE;
- if (!xdr_u_int (xdrs, &objp->gid))
- return FALSE;
- if (!xdr_u_int (xdrs, &objp->ngrps))
- return FALSE;
- if (!xdr_vector (xdrs, (char *)objp->groups, 16,
- sizeof (u_int), (xdrproc_t) xdr_u_int))
- return FALSE;
- } else {
- IXDR_PUT_U_LONG(buf, objp->pid);
- IXDR_PUT_U_LONG(buf, objp->uid);
- IXDR_PUT_U_LONG(buf, objp->gid);
- IXDR_PUT_U_LONG(buf, objp->ngrps);
- {
- register u_int *genp;
-
- for (i = 0, genp = objp->groups;
- i < 16; ++i) {
- IXDR_PUT_U_LONG(buf, *genp++);
- }
- }
- }
- return TRUE;
- } else if (xdrs->x_op == XDR_DECODE) {
- if (!xdr_u_quad_t (xdrs, &objp->lk_owner))
- return FALSE;
- buf = XDR_INLINE (xdrs, (4 + 16 )* BYTES_PER_XDR_UNIT);
- if (buf == NULL) {
- if (!xdr_u_int (xdrs, &objp->pid))
- return FALSE;
- if (!xdr_u_int (xdrs, &objp->uid))
- return FALSE;
- if (!xdr_u_int (xdrs, &objp->gid))
- return FALSE;
- if (!xdr_u_int (xdrs, &objp->ngrps))
- return FALSE;
- if (!xdr_vector (xdrs, (char *)objp->groups, 16,
- sizeof (u_int), (xdrproc_t) xdr_u_int))
- return FALSE;
- } else {
- objp->pid = IXDR_GET_U_LONG(buf);
- objp->uid = IXDR_GET_U_LONG(buf);
- objp->gid = IXDR_GET_U_LONG(buf);
- objp->ngrps = IXDR_GET_U_LONG(buf);
- {
- register u_int *genp;
-
- for (i = 0, genp = objp->groups;
- i < 16; ++i) {
- *genp++ = IXDR_GET_U_LONG(buf);
- }
- }
- }
- return TRUE;
- }
-
- if (!xdr_u_quad_t (xdrs, &objp->lk_owner))
- return FALSE;
- if (!xdr_u_int (xdrs, &objp->pid))
- return FALSE;
- if (!xdr_u_int (xdrs, &objp->uid))
- return FALSE;
- if (!xdr_u_int (xdrs, &objp->gid))
- return FALSE;
- if (!xdr_u_int (xdrs, &objp->ngrps))
- return FALSE;
- if (!xdr_vector (xdrs, (char *)objp->groups, 16,
- sizeof (u_int), (xdrproc_t) xdr_u_int))
- return FALSE;
- return TRUE;
-}
-
+/* V1 */
ssize_t
xdr_to_glusterfs_auth (char *buf, struct auth_glusterfs_parms *req)
@@ -146,7 +61,7 @@ auth_glusterfs_request_init (rpcsvc_request_t *req, void *priv)
{
if (!req)
return -1;
- memset (req->verf.authdata, 0, RPCSVC_MAX_AUTH_BYTES);
+ memset (req->verf.authdata, 0, GF_MAX_AUTH_BYTES);
req->verf.datalen = 0;
req->verf.flavour = AUTH_NULL;
@@ -155,9 +70,12 @@ auth_glusterfs_request_init (rpcsvc_request_t *req, void *priv)
int auth_glusterfs_authenticate (rpcsvc_request_t *req, void *priv)
{
- int ret = RPCSVC_AUTH_REJECT;
struct auth_glusterfs_parms au = {0,};
- int gidcount = 0;
+
+ int ret = RPCSVC_AUTH_REJECT;
+ int gidcount = 0;
+ int j = 0;
+ int i = 0;
if (!req)
return ret;
@@ -173,7 +91,11 @@ int auth_glusterfs_authenticate (rpcsvc_request_t *req, void *priv)
req->pid = au.pid;
req->uid = au.uid;
req->gid = au.gid;
- req->lk_owner = au.lk_owner;
+ req->lk_owner.len = 8;
+ {
+ for (i = 0; i < req->lk_owner.len; i++, j += 8)
+ req->lk_owner.data[i] = (char)((au.lk_owner >> j) & 0xff);
+ }
req->auxgidcount = au.ngrps;
if (req->auxgidcount > 16) {
@@ -187,8 +109,8 @@ int auth_glusterfs_authenticate (rpcsvc_request_t *req, void *priv)
req->auxgids[gidcount] = au.groups[gidcount];
gf_log (GF_RPCSVC, GF_LOG_TRACE, "Auth Info: pid: %u, uid: %d"
- ", gid: %d, owner: %"PRId64,
- req->pid, req->uid, req->gid, req->lk_owner);
+ ", gid: %d, owner: %s",
+ req->pid, req->uid, req->gid, lkowner_utoa (&req->lk_owner));
ret = RPCSVC_AUTH_ACCEPT;
err:
return ret;
@@ -213,3 +135,111 @@ rpcsvc_auth_glusterfs_init (rpcsvc_t *svc, dict_t *options)
{
return &rpcsvc_auth_glusterfs;
}
+
+/* V2 */
+
+ssize_t
+xdr_to_glusterfs_auth_v2 (char *buf, struct auth_glusterfs_parms_v2 *req)
+{
+ XDR xdr;
+ ssize_t ret = -1;
+
+ if ((!buf) || (!req))
+ return -1;
+
+ xdrmem_create (&xdr, buf, GF_MAX_AUTH_BYTES, XDR_DECODE);
+ if (!xdr_auth_glusterfs_parms_v2 (&xdr, req)) {
+ gf_log ("", GF_LOG_WARNING,
+ "failed to decode glusterfs v2 parameters");
+ ret = -1;
+ goto ret;
+ }
+
+ ret = (((size_t)(&xdr)->x_private) - ((size_t)(&xdr)->x_base));
+ret:
+ return ret;
+
+}
+int
+auth_glusterfs_v2_request_init (rpcsvc_request_t *req, void *priv)
+{
+ if (!req)
+ return -1;
+ memset (req->verf.authdata, 0, GF_MAX_AUTH_BYTES);
+ req->verf.datalen = 0;
+ req->verf.flavour = AUTH_NULL;
+
+ return 0;
+}
+
+int auth_glusterfs_v2_authenticate (rpcsvc_request_t *req, void *priv)
+{
+ struct auth_glusterfs_parms_v2 au = {0,};
+ int ret = RPCSVC_AUTH_REJECT;
+ int i = 0;
+
+ if (!req)
+ return ret;
+
+ ret = xdr_to_glusterfs_auth_v2 (req->cred.authdata, &au);
+ if (ret == -1) {
+ gf_log ("", GF_LOG_WARNING,
+ "failed to decode glusterfs credentials");
+ ret = RPCSVC_AUTH_REJECT;
+ goto err;
+ }
+
+ req->pid = au.pid;
+ req->uid = au.uid;
+ req->gid = au.gid;
+ req->lk_owner.len = au.lk_owner.lk_owner_len;
+ req->auxgidcount = au.groups.groups_len;
+
+ if (req->auxgidcount > GF_MAX_AUX_GROUPS) {
+ gf_log ("", GF_LOG_WARNING,
+ "more than max aux gids found (%d) , truncating it "
+ "to %d and continuing", au.groups.groups_len,
+ GF_MAX_AUX_GROUPS);
+ req->auxgidcount = GF_MAX_AUX_GROUPS;
+ }
+
+ if (req->lk_owner.len > GF_MAX_LOCK_OWNER_LEN) {
+ gf_log ("", GF_LOG_WARNING,
+ "lkowner field > 1k, failing authentication");
+ ret = RPCSVC_AUTH_REJECT;
+ goto err;
+ }
+
+ for (i = 0; i < req->auxgidcount; ++i)
+ req->auxgids[i] = au.groups.groups_val[i];
+
+ for (i = 0; i < au.lk_owner.lk_owner_len; ++i)
+ req->lk_owner.data[i] = au.lk_owner.lk_owner_val[i];
+
+ gf_log (GF_RPCSVC, GF_LOG_TRACE, "Auth Info: pid: %u, uid: %d"
+ ", gid: %d, owner: %s",
+ req->pid, req->uid, req->gid, lkowner_utoa (&req->lk_owner));
+ ret = RPCSVC_AUTH_ACCEPT;
+err:
+ return ret;
+}
+
+rpcsvc_auth_ops_t auth_glusterfs_ops_v2 = {
+ .transport_init = NULL,
+ .request_init = auth_glusterfs_v2_request_init,
+ .authenticate = auth_glusterfs_v2_authenticate
+};
+
+rpcsvc_auth_t rpcsvc_auth_glusterfs_v2 = {
+ .authname = "AUTH_GLUSTERFS-v2",
+ .authnum = AUTH_GLUSTERFS_v2,
+ .authops = &auth_glusterfs_ops_v2,
+ .authprivate = NULL
+};
+
+
+rpcsvc_auth_t *
+rpcsvc_auth_glusterfs_v2_init (rpcsvc_t *svc, dict_t *options)
+{
+ return &rpcsvc_auth_glusterfs_v2;
+}