*
* You should have received a copy of the GNU General Public License
* version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
+ * http://www.gnu.org/licenses/gpl-2.0.html
*
* GPL HEADER END
*/
* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2012, Intel Corporation.
+ * Copyright (c) 2011, 2015, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#define DEBUG_SUBSYSTEM S_SEC
-#ifndef __KERNEL__
-#include <liblustre.h>
-#endif
#include <obd_support.h>
#include <obd_cksum.h>
#include <lustre_net.h>
#include <lustre_sec.h>
+#include "ptlrpc_internal.h"
+
struct plain_sec {
- struct ptlrpc_sec pls_base;
- rwlock_t pls_lock;
- struct ptlrpc_cli_ctx *pls_ctx;
+ struct ptlrpc_sec pls_base;
+ rwlock_t pls_lock;
+ struct ptlrpc_cli_ctx *pls_ctx;
};
static inline struct plain_sec *sec2plsec(struct ptlrpc_sec *sec)
{
- return container_of(sec, struct plain_sec, pls_base);
+ return container_of(sec, struct plain_sec, pls_base);
}
static struct ptlrpc_sec_policy plain_policy;
#define PLAIN_FL_BULK (0x02)
struct plain_header {
- __u8 ph_ver; /* 0 */
- __u8 ph_flags;
- __u8 ph_sp; /* source */
- __u8 ph_bulk_hash_alg; /* complete flavor desc */
- __u8 ph_pad[4];
+ __u8 ph_ver; /* 0 */
+ __u8 ph_flags;
+ __u8 ph_sp; /* source */
+ __u8 ph_bulk_hash_alg; /* complete flavor desc */
+ __u8 ph_pad[4];
};
struct plain_bulk_token {
- __u8 pbt_hash[8];
+ __u8 pbt_hash[8];
};
#define PLAIN_BSD_SIZE \
- (sizeof(struct ptlrpc_bulk_sec_desc) + sizeof(struct plain_bulk_token))
+ (sizeof(struct ptlrpc_bulk_sec_desc) + sizeof(struct plain_bulk_token))
-/****************************************
- * bulk checksum helpers *
- ****************************************/
+/*
+ * bulk checksum helpers
+ */
static int plain_unpack_bsd(struct lustre_msg *msg, int swabbed)
{
- struct ptlrpc_bulk_sec_desc *bsd;
+ struct ptlrpc_bulk_sec_desc *bsd;
- if (bulk_sec_desc_unpack(msg, PLAIN_PACK_BULK_OFF, swabbed))
- return -EPROTO;
+ if (bulk_sec_desc_unpack(msg, PLAIN_PACK_BULK_OFF, swabbed))
+ return -EPROTO;
- bsd = lustre_msg_buf(msg, PLAIN_PACK_BULK_OFF, PLAIN_BSD_SIZE);
- if (bsd == NULL) {
- CERROR("bulk sec desc has short size %d\n",
- lustre_msg_buflen(msg, PLAIN_PACK_BULK_OFF));
- return -EPROTO;
- }
+ bsd = lustre_msg_buf(msg, PLAIN_PACK_BULK_OFF, PLAIN_BSD_SIZE);
+ if (bsd == NULL) {
+ CERROR("bulk sec desc has short size %d\n",
+ lustre_msg_buflen(msg, PLAIN_PACK_BULK_OFF));
+ return -EPROTO;
+ }
- if (bsd->bsd_svc != SPTLRPC_BULK_SVC_NULL &&
- bsd->bsd_svc != SPTLRPC_BULK_SVC_INTG) {
- CERROR("invalid bulk svc %u\n", bsd->bsd_svc);
- return -EPROTO;
- }
+ if (bsd->bsd_svc != SPTLRPC_BULK_SVC_NULL &&
+ bsd->bsd_svc != SPTLRPC_BULK_SVC_INTG) {
+ CERROR("invalid bulk svc %u\n", bsd->bsd_svc);
+ return -EPROTO;
+ }
- return 0;
+ return 0;
}
static int plain_generate_bulk_csum(struct ptlrpc_bulk_desc *desc,
- __u8 hash_alg,
- struct plain_bulk_token *token)
+ __u8 hash_alg,
+ struct plain_bulk_token *token)
{
- if (hash_alg == BULK_HASH_ALG_NULL)
- return 0;
+ if (hash_alg == BULK_HASH_ALG_NULL)
+ return 0;
- memset(token->pbt_hash, 0, sizeof(token->pbt_hash));
- return sptlrpc_get_bulk_checksum(desc, hash_alg, token->pbt_hash,
- sizeof(token->pbt_hash));
+ memset(token->pbt_hash, 0, sizeof(token->pbt_hash));
+ return sptlrpc_get_bulk_checksum(desc, hash_alg, token->pbt_hash,
+ sizeof(token->pbt_hash));
}
static int plain_verify_bulk_csum(struct ptlrpc_bulk_desc *desc,
- __u8 hash_alg,
- struct plain_bulk_token *tokenr)
+ __u8 hash_alg,
+ struct plain_bulk_token *tokenr)
{
- struct plain_bulk_token tokenv;
- int rc;
+ struct plain_bulk_token tokenv;
+ int rc;
- if (hash_alg == BULK_HASH_ALG_NULL)
- return 0;
+ if (hash_alg == BULK_HASH_ALG_NULL)
+ return 0;
- memset(&tokenv.pbt_hash, 0, sizeof(tokenv.pbt_hash));
- rc = sptlrpc_get_bulk_checksum(desc, hash_alg, tokenv.pbt_hash,
- sizeof(tokenv.pbt_hash));
- if (rc)
- return rc;
+ memset(&tokenv.pbt_hash, 0, sizeof(tokenv.pbt_hash));
+ rc = sptlrpc_get_bulk_checksum(desc, hash_alg, tokenv.pbt_hash,
+ sizeof(tokenv.pbt_hash));
+ if (rc)
+ return rc;
- if (memcmp(tokenr->pbt_hash, tokenv.pbt_hash, sizeof(tokenr->pbt_hash)))
- return -EACCES;
- return 0;
+ if (memcmp(tokenr->pbt_hash, tokenv.pbt_hash, sizeof(tokenr->pbt_hash)))
+ return -EACCES;
+ return 0;
}
-#ifdef __KERNEL__
static void corrupt_bulk_data(struct ptlrpc_bulk_desc *desc)
{
- char *ptr;
- unsigned int off, i;
+ char *ptr;
+ unsigned int off, i;
for (i = 0; i < desc->bd_iov_count; i++) {
- if (desc->bd_iov[i].kiov_len == 0)
+ if (desc->bd_vec[i].kiov_len == 0)
continue;
- ptr = kmap(desc->bd_iov[i].kiov_page);
- off = desc->bd_iov[i].kiov_offset & ~CFS_PAGE_MASK;
+ ptr = kmap(desc->bd_vec[i].kiov_page);
+ off = desc->bd_vec[i].kiov_offset & ~PAGE_MASK;
ptr[off] ^= 0x1;
- kunmap(desc->bd_iov[i].kiov_page);
+ kunmap(desc->bd_vec[i].kiov_page);
return;
}
}
-#else
-static void corrupt_bulk_data(struct ptlrpc_bulk_desc *desc)
-{
- unsigned int i;
-
- for (i = 0; i < desc->bd_iov_count; i++) {
- if (desc->bd_iov[i].iov_len == 0)
- continue;
-
- ((char *)desc->bd_iov[i].iov_base)[i] ^= 0x1;
- return;
- }
-}
-#endif /* __KERNEL__ */
-/****************************************
- * cli_ctx apis *
- ****************************************/
+/*
+ * cli_ctx apis
+ */
static
int plain_ctx_refresh(struct ptlrpc_cli_ctx *ctx)
{
- /* should never reach here */
- LBUG();
- return 0;
+ /* should never reach here */
+ LBUG();
+ return 0;
}
static
int plain_ctx_validate(struct ptlrpc_cli_ctx *ctx)
{
- return 0;
+ return 0;
}
static
int plain_ctx_sign(struct ptlrpc_cli_ctx *ctx, struct ptlrpc_request *req)
{
- struct lustre_msg *msg = req->rq_reqbuf;
- struct plain_header *phdr;
- ENTRY;
-
- msg->lm_secflvr = req->rq_flvr.sf_rpc;
-
- phdr = lustre_msg_buf(msg, PLAIN_PACK_HDR_OFF, 0);
- phdr->ph_ver = 0;
- phdr->ph_flags = 0;
- phdr->ph_sp = ctx->cc_sec->ps_part;
- phdr->ph_bulk_hash_alg = req->rq_flvr.u_bulk.hash.hash_alg;
-
- if (req->rq_pack_udesc)
- phdr->ph_flags |= PLAIN_FL_USER;
- if (req->rq_pack_bulk)
- phdr->ph_flags |= PLAIN_FL_BULK;
-
- req->rq_reqdata_len = lustre_msg_size_v2(msg->lm_bufcount,
- msg->lm_buflens);
- RETURN(0);
+ struct lustre_msg *msg = req->rq_reqbuf;
+ struct plain_header *phdr;
+
+ ENTRY;
+
+ msg->lm_secflvr = req->rq_flvr.sf_rpc;
+
+ phdr = lustre_msg_buf(msg, PLAIN_PACK_HDR_OFF, 0);
+ phdr->ph_ver = 0;
+ phdr->ph_flags = 0;
+ phdr->ph_sp = ctx->cc_sec->ps_part;
+ phdr->ph_bulk_hash_alg = req->rq_flvr.u_bulk.hash.hash_alg;
+
+ if (req->rq_pack_udesc)
+ phdr->ph_flags |= PLAIN_FL_USER;
+ if (req->rq_pack_bulk)
+ phdr->ph_flags |= PLAIN_FL_BULK;
+
+ req->rq_reqdata_len = lustre_msg_size_v2(msg->lm_bufcount,
+ msg->lm_buflens);
+ RETURN(0);
}
static
int plain_ctx_verify(struct ptlrpc_cli_ctx *ctx, struct ptlrpc_request *req)
{
- struct lustre_msg *msg = req->rq_repdata;
- struct plain_header *phdr;
- __u32 cksum;
- int swabbed;
- ENTRY;
-
- if (msg->lm_bufcount != PLAIN_PACK_SEGMENTS) {
- CERROR("unexpected reply buf count %u\n", msg->lm_bufcount);
- RETURN(-EPROTO);
- }
-
- swabbed = ptlrpc_rep_need_swab(req);
-
- phdr = lustre_msg_buf(msg, PLAIN_PACK_HDR_OFF, sizeof(*phdr));
- if (phdr == NULL) {
- CERROR("missing plain header\n");
- RETURN(-EPROTO);
- }
-
- if (phdr->ph_ver != 0) {
- CERROR("Invalid header version\n");
- RETURN(-EPROTO);
- }
-
- /* expect no user desc in reply */
- if (phdr->ph_flags & PLAIN_FL_USER) {
- CERROR("Unexpected udesc flag in reply\n");
- RETURN(-EPROTO);
- }
-
- if (phdr->ph_bulk_hash_alg != req->rq_flvr.u_bulk.hash.hash_alg) {
- CERROR("reply bulk flavor %u != %u\n", phdr->ph_bulk_hash_alg,
- req->rq_flvr.u_bulk.hash.hash_alg);
- RETURN(-EPROTO);
- }
-
- if (unlikely(req->rq_early)) {
+ struct lustre_msg *msg = req->rq_repdata;
+ struct plain_header *phdr;
+ __u32 cksum;
+ bool swabbed;
+
+ ENTRY;
+ if (msg->lm_bufcount != PLAIN_PACK_SEGMENTS) {
+ CERROR("unexpected reply buf count %u\n", msg->lm_bufcount);
+ RETURN(-EPROTO);
+ }
+
+ swabbed = ptlrpc_rep_need_swab(req);
+
+ phdr = lustre_msg_buf(msg, PLAIN_PACK_HDR_OFF, sizeof(*phdr));
+ if (phdr == NULL) {
+ CERROR("missing plain header\n");
+ RETURN(-EPROTO);
+ }
+
+ if (phdr->ph_ver != 0) {
+ CERROR("Invalid header version\n");
+ RETURN(-EPROTO);
+ }
+
+ /* expect no user desc in reply */
+ if (phdr->ph_flags & PLAIN_FL_USER) {
+ CERROR("Unexpected udesc flag in reply\n");
+ RETURN(-EPROTO);
+ }
+
+ if (phdr->ph_bulk_hash_alg != req->rq_flvr.u_bulk.hash.hash_alg) {
+ CERROR("reply bulk flavor %u != %u\n", phdr->ph_bulk_hash_alg,
+ req->rq_flvr.u_bulk.hash.hash_alg);
+ RETURN(-EPROTO);
+ }
+
+ if (unlikely(req->rq_early)) {
unsigned int hsize = 4;
cfs_crypto_hash_digest(CFS_HASH_ALG_CRC32,
cpu_to_le32(cksum), msg->lm_cksum);
RETURN(-EINVAL);
}
- } else {
- /* whether we sent with bulk or not, we expect the same
- * in reply, except for early reply */
- if (!req->rq_early &&
- !equi(req->rq_pack_bulk == 1,
- phdr->ph_flags & PLAIN_FL_BULK)) {
- CERROR("%s bulk checksum in reply\n",
- req->rq_pack_bulk ? "Missing" : "Unexpected");
- RETURN(-EPROTO);
- }
-
- if (phdr->ph_flags & PLAIN_FL_BULK) {
- if (plain_unpack_bsd(msg, swabbed))
- RETURN(-EPROTO);
- }
- }
-
- req->rq_repmsg = lustre_msg_buf(msg, PLAIN_PACK_MSG_OFF, 0);
- req->rq_replen = lustre_msg_buflen(msg, PLAIN_PACK_MSG_OFF);
- RETURN(0);
+ } else {
+ /*
+ * whether we sent with bulk or not, we expect the same
+ * in reply, except for early reply
+ */
+ if (!req->rq_early &&
+ !equi(req->rq_pack_bulk == 1,
+ phdr->ph_flags & PLAIN_FL_BULK)) {
+ CERROR("%s bulk checksum in reply\n",
+ req->rq_pack_bulk ? "Missing" : "Unexpected");
+ RETURN(-EPROTO);
+ }
+
+ if (phdr->ph_flags & PLAIN_FL_BULK) {
+ if (plain_unpack_bsd(msg, swabbed))
+ RETURN(-EPROTO);
+ }
+ }
+
+ req->rq_repmsg = lustre_msg_buf(msg, PLAIN_PACK_MSG_OFF, 0);
+ req->rq_replen = lustre_msg_buflen(msg, PLAIN_PACK_MSG_OFF);
+ RETURN(0);
}
static
int plain_cli_wrap_bulk(struct ptlrpc_cli_ctx *ctx,
- struct ptlrpc_request *req,
- struct ptlrpc_bulk_desc *desc)
+ struct ptlrpc_request *req,
+ struct ptlrpc_bulk_desc *desc)
{
- struct ptlrpc_bulk_sec_desc *bsd;
- struct plain_bulk_token *token;
- int rc;
-
- LASSERT(req->rq_pack_bulk);
- LASSERT(req->rq_reqbuf->lm_bufcount == PLAIN_PACK_SEGMENTS);
-
- bsd = lustre_msg_buf(req->rq_reqbuf, PLAIN_PACK_BULK_OFF, 0);
- token = (struct plain_bulk_token *) bsd->bsd_data;
-
- bsd->bsd_version = 0;
- bsd->bsd_flags = 0;
- bsd->bsd_type = SPTLRPC_BULK_DEFAULT;
- bsd->bsd_svc = SPTLRPC_FLVR_BULK_SVC(req->rq_flvr.sf_rpc);
-
- if (bsd->bsd_svc == SPTLRPC_BULK_SVC_NULL)
- RETURN(0);
-
- if (req->rq_bulk_read)
- RETURN(0);
-
- rc = plain_generate_bulk_csum(desc, req->rq_flvr.u_bulk.hash.hash_alg,
- token);
- if (rc) {
- CERROR("bulk write: failed to compute checksum: %d\n", rc);
- } else {
- /*
- * for sending we only compute the wrong checksum instead
- * of corrupting the data so it is still correct on a redo
- */
- if (OBD_FAIL_CHECK(OBD_FAIL_OSC_CHECKSUM_SEND) &&
- req->rq_flvr.u_bulk.hash.hash_alg != BULK_HASH_ALG_NULL)
- token->pbt_hash[0] ^= 0x1;
- }
-
- return rc;
+ struct ptlrpc_bulk_sec_desc *bsd;
+ struct plain_bulk_token *token;
+ int rc;
+
+ LASSERT(req->rq_pack_bulk);
+ LASSERT(req->rq_reqbuf->lm_bufcount == PLAIN_PACK_SEGMENTS);
+
+ bsd = lustre_msg_buf(req->rq_reqbuf, PLAIN_PACK_BULK_OFF, 0);
+ token = (struct plain_bulk_token *) bsd->bsd_data;
+
+ bsd->bsd_version = 0;
+ bsd->bsd_flags = 0;
+ bsd->bsd_type = SPTLRPC_BULK_DEFAULT;
+ bsd->bsd_svc = SPTLRPC_FLVR_BULK_SVC(req->rq_flvr.sf_rpc);
+
+ if (bsd->bsd_svc == SPTLRPC_BULK_SVC_NULL)
+ RETURN(0);
+
+ if (req->rq_bulk_read)
+ RETURN(0);
+
+ rc = plain_generate_bulk_csum(desc, req->rq_flvr.u_bulk.hash.hash_alg,
+ token);
+ if (rc) {
+ CERROR("bulk write: failed to compute checksum: %d\n", rc);
+ } else {
+ /*
+ * for sending we only compute the wrong checksum instead
+ * of corrupting the data so it is still correct on a redo
+ */
+ if (OBD_FAIL_CHECK(OBD_FAIL_OSC_CHECKSUM_SEND) &&
+ req->rq_flvr.u_bulk.hash.hash_alg != BULK_HASH_ALG_NULL)
+ token->pbt_hash[0] ^= 0x1;
+ }
+
+ return rc;
}
static
int plain_cli_unwrap_bulk(struct ptlrpc_cli_ctx *ctx,
- struct ptlrpc_request *req,
- struct ptlrpc_bulk_desc *desc)
+ struct ptlrpc_request *req,
+ struct ptlrpc_bulk_desc *desc)
{
- struct ptlrpc_bulk_sec_desc *bsdv;
- struct plain_bulk_token *tokenv;
- int rc;
-#ifdef __KERNEL__
- int i, nob;
-#endif
-
- LASSERT(req->rq_pack_bulk);
- LASSERT(req->rq_reqbuf->lm_bufcount == PLAIN_PACK_SEGMENTS);
- LASSERT(req->rq_repdata->lm_bufcount == PLAIN_PACK_SEGMENTS);
-
- bsdv = lustre_msg_buf(req->rq_repdata, PLAIN_PACK_BULK_OFF, 0);
- tokenv = (struct plain_bulk_token *) bsdv->bsd_data;
-
- if (req->rq_bulk_write) {
- if (bsdv->bsd_flags & BSD_FL_ERR)
- return -EIO;
- return 0;
- }
-
-#ifdef __KERNEL__
- /* fix the actual data size */
- for (i = 0, nob = 0; i < desc->bd_iov_count; i++) {
- if (desc->bd_iov[i].kiov_len + nob > desc->bd_nob_transferred) {
- desc->bd_iov[i].kiov_len =
- desc->bd_nob_transferred - nob;
- }
- nob += desc->bd_iov[i].kiov_len;
- }
-#endif
-
- rc = plain_verify_bulk_csum(desc, req->rq_flvr.u_bulk.hash.hash_alg,
- tokenv);
- if (rc)
- CERROR("bulk read: client verify failed: %d\n", rc);
-
- return rc;
+ struct ptlrpc_bulk_sec_desc *bsdv;
+ struct plain_bulk_token *tokenv;
+ int rc;
+ int i, nob;
+
+ LASSERT(req->rq_pack_bulk);
+ LASSERT(req->rq_reqbuf->lm_bufcount == PLAIN_PACK_SEGMENTS);
+ LASSERT(req->rq_repdata->lm_bufcount == PLAIN_PACK_SEGMENTS);
+
+ bsdv = lustre_msg_buf(req->rq_repdata, PLAIN_PACK_BULK_OFF, 0);
+ tokenv = (struct plain_bulk_token *) bsdv->bsd_data;
+
+ if (req->rq_bulk_write) {
+ if (bsdv->bsd_flags & BSD_FL_ERR)
+ return -EIO;
+ return 0;
+ }
+
+ /* fix the actual data size */
+ for (i = 0, nob = 0; i < desc->bd_iov_count; i++) {
+ if (desc->bd_vec[i].kiov_len +
+ nob > desc->bd_nob_transferred) {
+ desc->bd_vec[i].kiov_len =
+ desc->bd_nob_transferred - nob;
+ }
+ nob += desc->bd_vec[i].kiov_len;
+ }
+
+ rc = plain_verify_bulk_csum(desc, req->rq_flvr.u_bulk.hash.hash_alg,
+ tokenv);
+ if (rc)
+ CERROR("bulk read: client verify failed: %d\n", rc);
+
+ return rc;
}
-/****************************************
- * sec apis *
- ****************************************/
+/*
+ * sec apis
+ */
static
struct ptlrpc_cli_ctx *plain_sec_install_ctx(struct plain_sec *plsec)
ctx->cc_flags = PTLRPC_CTX_CACHED | PTLRPC_CTX_UPTODATE;
ctx->cc_vcred.vc_uid = 0;
spin_lock_init(&ctx->cc_lock);
- CFS_INIT_LIST_HEAD(&ctx->cc_req_list);
- CFS_INIT_LIST_HEAD(&ctx->cc_gc_chain);
+ INIT_LIST_HEAD(&ctx->cc_req_list);
+ INIT_LIST_HEAD(&ctx->cc_gc_chain);
plsec->pls_ctx = ctx;
atomic_inc(&plsec->pls_base.ps_nctx);
void plain_destroy_sec(struct ptlrpc_sec *sec)
{
struct plain_sec *plsec = sec2plsec(sec);
+
ENTRY;
LASSERT(sec->ps_policy == &plain_policy);
static
void plain_kill_sec(struct ptlrpc_sec *sec)
{
- sec->ps_dying = 1;
+ sec->ps_dying = 1;
}
static
struct ptlrpc_sec *plain_create_sec(struct obd_import *imp,
- struct ptlrpc_svc_ctx *svc_ctx,
- struct sptlrpc_flavor *sf)
+ struct ptlrpc_svc_ctx *svc_ctx,
+ struct sptlrpc_flavor *sf)
{
- struct plain_sec *plsec;
- struct ptlrpc_sec *sec;
- struct ptlrpc_cli_ctx *ctx;
- ENTRY;
+ struct plain_sec *plsec;
+ struct ptlrpc_sec *sec;
+ struct ptlrpc_cli_ctx *ctx;
+
+ ENTRY;
- LASSERT(SPTLRPC_FLVR_POLICY(sf->sf_rpc) == SPTLRPC_POLICY_PLAIN);
+ LASSERT(SPTLRPC_FLVR_POLICY(sf->sf_rpc) == SPTLRPC_POLICY_PLAIN);
- OBD_ALLOC_PTR(plsec);
- if (plsec == NULL)
- RETURN(NULL);
+ OBD_ALLOC_PTR(plsec);
+ if (plsec == NULL)
+ RETURN(NULL);
- /*
- * initialize plain_sec
- */
+ /*
+ * initialize plain_sec
+ */
rwlock_init(&plsec->pls_lock);
plsec->pls_ctx = NULL;
sec->ps_import = class_import_get(imp);
sec->ps_flvr = *sf;
spin_lock_init(&sec->ps_lock);
- CFS_INIT_LIST_HEAD(&sec->ps_gc_list);
- sec->ps_gc_interval = 0;
- sec->ps_gc_next = 0;
-
- /* install ctx immediately if this is a reverse sec */
- if (svc_ctx) {
- ctx = plain_sec_install_ctx(plsec);
- if (ctx == NULL) {
- plain_destroy_sec(sec);
- RETURN(NULL);
- }
- sptlrpc_cli_ctx_put(ctx, 1);
- }
-
- RETURN(sec);
+ INIT_LIST_HEAD(&sec->ps_gc_list);
+ sec->ps_gc_interval = 0;
+ sec->ps_gc_next = 0;
+
+ /* install ctx immediately if this is a reverse sec */
+ if (svc_ctx) {
+ ctx = plain_sec_install_ctx(plsec);
+ if (ctx == NULL) {
+ plain_destroy_sec(sec);
+ RETURN(NULL);
+ }
+ sptlrpc_cli_ctx_put(ctx, 1);
+ }
+
+ RETURN(sec);
}
static
struct ptlrpc_cli_ctx *plain_lookup_ctx(struct ptlrpc_sec *sec,
- struct vfs_cred *vcred,
- int create, int remove_dead)
+ struct vfs_cred *vcred,
+ int create, int remove_dead)
{
- struct plain_sec *plsec = sec2plsec(sec);
- struct ptlrpc_cli_ctx *ctx;
+ struct plain_sec *plsec = sec2plsec(sec);
+ struct ptlrpc_cli_ctx *ctx;
+
ENTRY;
read_lock(&plsec->pls_lock);
static
void plain_release_ctx(struct ptlrpc_sec *sec,
- struct ptlrpc_cli_ctx *ctx, int sync)
+ struct ptlrpc_cli_ctx *ctx, int sync)
{
LASSERT(atomic_read(&sec->ps_refcount) > 0);
LASSERT(atomic_read(&sec->ps_nctx) > 0);
static
int plain_flush_ctx_cache(struct ptlrpc_sec *sec,
- uid_t uid, int grace, int force)
+ uid_t uid, int grace, int force)
{
- struct plain_sec *plsec = sec2plsec(sec);
- struct ptlrpc_cli_ctx *ctx;
- ENTRY;
+ struct plain_sec *plsec = sec2plsec(sec);
+ struct ptlrpc_cli_ctx *ctx;
- /* do nothing unless caller want to flush for 'all' */
- if (uid != -1)
- RETURN(0);
+ ENTRY;
+
+ /* do nothing unless caller want to flush for 'all' */
+ if (uid != -1)
+ RETURN(0);
write_lock(&plsec->pls_lock);
- ctx = plsec->pls_ctx;
- plsec->pls_ctx = NULL;
+ ctx = plsec->pls_ctx;
+ plsec->pls_ctx = NULL;
write_unlock(&plsec->pls_lock);
- if (ctx)
- sptlrpc_cli_ctx_put(ctx, 1);
- RETURN(0);
+ if (ctx)
+ sptlrpc_cli_ctx_put(ctx, 1);
+ RETURN(0);
}
static
int plain_alloc_reqbuf(struct ptlrpc_sec *sec,
- struct ptlrpc_request *req,
- int msgsize)
+ struct ptlrpc_request *req,
+ int msgsize)
{
- __u32 buflens[PLAIN_PACK_SEGMENTS] = { 0, };
- int alloc_len;
- ENTRY;
+ __u32 buflens[PLAIN_PACK_SEGMENTS] = { 0, };
+ int alloc_len;
+
+ ENTRY;
- buflens[PLAIN_PACK_HDR_OFF] = sizeof(struct plain_header);
- buflens[PLAIN_PACK_MSG_OFF] = msgsize;
+ buflens[PLAIN_PACK_HDR_OFF] = sizeof(struct plain_header);
+ buflens[PLAIN_PACK_MSG_OFF] = msgsize;
- if (req->rq_pack_udesc)
- buflens[PLAIN_PACK_USER_OFF] = sptlrpc_current_user_desc_size();
+ if (req->rq_pack_udesc)
+ buflens[PLAIN_PACK_USER_OFF] = sptlrpc_current_user_desc_size();
- if (req->rq_pack_bulk) {
- LASSERT(req->rq_bulk_read || req->rq_bulk_write);
- buflens[PLAIN_PACK_BULK_OFF] = PLAIN_BSD_SIZE;
- }
+ if (req->rq_pack_bulk) {
+ LASSERT(req->rq_bulk_read || req->rq_bulk_write);
+ buflens[PLAIN_PACK_BULK_OFF] = PLAIN_BSD_SIZE;
+ }
- alloc_len = lustre_msg_size_v2(PLAIN_PACK_SEGMENTS, buflens);
+ alloc_len = lustre_msg_size_v2(PLAIN_PACK_SEGMENTS, buflens);
- if (!req->rq_reqbuf) {
- LASSERT(!req->rq_pool);
+ if (!req->rq_reqbuf) {
+ LASSERT(!req->rq_pool);
- alloc_len = size_roundup_power2(alloc_len);
- OBD_ALLOC_LARGE(req->rq_reqbuf, alloc_len);
- if (!req->rq_reqbuf)
- RETURN(-ENOMEM);
+ alloc_len = size_roundup_power2(alloc_len);
+ OBD_ALLOC_LARGE(req->rq_reqbuf, alloc_len);
+ if (!req->rq_reqbuf)
+ RETURN(-ENOMEM);
- req->rq_reqbuf_len = alloc_len;
- } else {
- LASSERT(req->rq_pool);
- LASSERT(req->rq_reqbuf_len >= alloc_len);
- memset(req->rq_reqbuf, 0, alloc_len);
- }
+ req->rq_reqbuf_len = alloc_len;
+ } else {
+ LASSERT(req->rq_pool);
+ LASSERT(req->rq_reqbuf_len >= alloc_len);
+ memset(req->rq_reqbuf, 0, alloc_len);
+ }
- lustre_init_msg_v2(req->rq_reqbuf, PLAIN_PACK_SEGMENTS, buflens, NULL);
- req->rq_reqmsg = lustre_msg_buf(req->rq_reqbuf, PLAIN_PACK_MSG_OFF, 0);
+ lustre_init_msg_v2(req->rq_reqbuf, PLAIN_PACK_SEGMENTS, buflens, NULL);
+ req->rq_reqmsg = lustre_msg_buf(req->rq_reqbuf, PLAIN_PACK_MSG_OFF, 0);
- if (req->rq_pack_udesc)
- sptlrpc_pack_user_desc(req->rq_reqbuf, PLAIN_PACK_USER_OFF);
+ if (req->rq_pack_udesc)
+ sptlrpc_pack_user_desc(req->rq_reqbuf, PLAIN_PACK_USER_OFF);
- RETURN(0);
+ RETURN(0);
}
static
void plain_free_reqbuf(struct ptlrpc_sec *sec,
- struct ptlrpc_request *req)
+ struct ptlrpc_request *req)
{
- ENTRY;
- if (!req->rq_pool) {
- OBD_FREE_LARGE(req->rq_reqbuf, req->rq_reqbuf_len);
- req->rq_reqbuf = NULL;
- req->rq_reqbuf_len = 0;
- }
- EXIT;
+ ENTRY;
+ if (!req->rq_pool) {
+ OBD_FREE_LARGE(req->rq_reqbuf, req->rq_reqbuf_len);
+ req->rq_reqbuf = NULL;
+ req->rq_reqbuf_len = 0;
+ }
+ EXIT;
}
static
int plain_alloc_repbuf(struct ptlrpc_sec *sec,
- struct ptlrpc_request *req,
- int msgsize)
+ struct ptlrpc_request *req,
+ int msgsize)
{
- __u32 buflens[PLAIN_PACK_SEGMENTS] = { 0, };
- int alloc_len;
- ENTRY;
+ __u32 buflens[PLAIN_PACK_SEGMENTS] = { 0, };
+ int alloc_len;
+
+ ENTRY;
- buflens[PLAIN_PACK_HDR_OFF] = sizeof(struct plain_header);
- buflens[PLAIN_PACK_MSG_OFF] = msgsize;
+ buflens[PLAIN_PACK_HDR_OFF] = sizeof(struct plain_header);
+ buflens[PLAIN_PACK_MSG_OFF] = msgsize;
- if (req->rq_pack_bulk) {
- LASSERT(req->rq_bulk_read || req->rq_bulk_write);
- buflens[PLAIN_PACK_BULK_OFF] = PLAIN_BSD_SIZE;
- }
+ if (req->rq_pack_bulk) {
+ LASSERT(req->rq_bulk_read || req->rq_bulk_write);
+ buflens[PLAIN_PACK_BULK_OFF] = PLAIN_BSD_SIZE;
+ }
- alloc_len = lustre_msg_size_v2(PLAIN_PACK_SEGMENTS, buflens);
+ alloc_len = lustre_msg_size_v2(PLAIN_PACK_SEGMENTS, buflens);
- /* add space for early reply */
- alloc_len += plain_at_offset;
+ /* add space for early reply */
+ alloc_len += plain_at_offset;
- alloc_len = size_roundup_power2(alloc_len);
+ alloc_len = size_roundup_power2(alloc_len);
- OBD_ALLOC_LARGE(req->rq_repbuf, alloc_len);
- if (!req->rq_repbuf)
- RETURN(-ENOMEM);
+ OBD_ALLOC_LARGE(req->rq_repbuf, alloc_len);
+ if (!req->rq_repbuf)
+ RETURN(-ENOMEM);
- req->rq_repbuf_len = alloc_len;
- RETURN(0);
+ req->rq_repbuf_len = alloc_len;
+ RETURN(0);
}
static
void plain_free_repbuf(struct ptlrpc_sec *sec,
- struct ptlrpc_request *req)
+ struct ptlrpc_request *req)
{
- ENTRY;
- OBD_FREE_LARGE(req->rq_repbuf, req->rq_repbuf_len);
- req->rq_repbuf = NULL;
- req->rq_repbuf_len = 0;
- EXIT;
+ ENTRY;
+ OBD_FREE_LARGE(req->rq_repbuf, req->rq_repbuf_len);
+ req->rq_repbuf = NULL;
+ req->rq_repbuf_len = 0;
+ EXIT;
}
static
int plain_enlarge_reqbuf(struct ptlrpc_sec *sec,
- struct ptlrpc_request *req,
- int segment, int newsize)
+ struct ptlrpc_request *req,
+ int segment, int newsize)
{
- struct lustre_msg *newbuf;
- int oldsize;
- int newmsg_size, newbuf_size;
- ENTRY;
-
- LASSERT(req->rq_reqbuf);
- LASSERT(req->rq_reqbuf_len >= req->rq_reqlen);
- LASSERT(lustre_msg_buf(req->rq_reqbuf, PLAIN_PACK_MSG_OFF, 0) ==
- req->rq_reqmsg);
-
- /* compute new embedded msg size. */
- oldsize = req->rq_reqmsg->lm_buflens[segment];
- req->rq_reqmsg->lm_buflens[segment] = newsize;
- newmsg_size = lustre_msg_size_v2(req->rq_reqmsg->lm_bufcount,
- req->rq_reqmsg->lm_buflens);
- req->rq_reqmsg->lm_buflens[segment] = oldsize;
-
- /* compute new wrapper msg size. */
- oldsize = req->rq_reqbuf->lm_buflens[PLAIN_PACK_MSG_OFF];
- req->rq_reqbuf->lm_buflens[PLAIN_PACK_MSG_OFF] = newmsg_size;
- newbuf_size = lustre_msg_size_v2(req->rq_reqbuf->lm_bufcount,
- req->rq_reqbuf->lm_buflens);
- req->rq_reqbuf->lm_buflens[PLAIN_PACK_MSG_OFF] = oldsize;
-
- /* request from pool should always have enough buffer */
- LASSERT(!req->rq_pool || req->rq_reqbuf_len >= newbuf_size);
-
- if (req->rq_reqbuf_len < newbuf_size) {
- newbuf_size = size_roundup_power2(newbuf_size);
-
- OBD_ALLOC_LARGE(newbuf, newbuf_size);
- if (newbuf == NULL)
- RETURN(-ENOMEM);
-
- /* Must lock this, so that otherwise unprotected change of
+ struct lustre_msg *newbuf;
+ int oldsize;
+ int newmsg_size, newbuf_size;
+
+ ENTRY;
+
+ LASSERT(req->rq_reqbuf);
+ LASSERT(req->rq_reqbuf_len >= req->rq_reqlen);
+ LASSERT(lustre_msg_buf(req->rq_reqbuf, PLAIN_PACK_MSG_OFF, 0) ==
+ req->rq_reqmsg);
+
+ /* compute new embedded msg size. */
+ oldsize = req->rq_reqmsg->lm_buflens[segment];
+ req->rq_reqmsg->lm_buflens[segment] = newsize;
+ newmsg_size = lustre_msg_size_v2(req->rq_reqmsg->lm_bufcount,
+ req->rq_reqmsg->lm_buflens);
+ req->rq_reqmsg->lm_buflens[segment] = oldsize;
+
+ /* compute new wrapper msg size. */
+ oldsize = req->rq_reqbuf->lm_buflens[PLAIN_PACK_MSG_OFF];
+ req->rq_reqbuf->lm_buflens[PLAIN_PACK_MSG_OFF] = newmsg_size;
+ newbuf_size = lustre_msg_size_v2(req->rq_reqbuf->lm_bufcount,
+ req->rq_reqbuf->lm_buflens);
+ req->rq_reqbuf->lm_buflens[PLAIN_PACK_MSG_OFF] = oldsize;
+
+ /* request from pool should always have enough buffer */
+ LASSERT(!req->rq_pool || req->rq_reqbuf_len >= newbuf_size);
+
+ if (req->rq_reqbuf_len < newbuf_size) {
+ newbuf_size = size_roundup_power2(newbuf_size);
+
+ OBD_ALLOC_LARGE(newbuf, newbuf_size);
+ if (newbuf == NULL)
+ RETURN(-ENOMEM);
+
+ /*
+ * Must lock this, so that otherwise unprotected change of
* rq_reqmsg is not racing with parallel processing of
* imp_replay_list traversing threads. See LU-3333
* This is a bandaid at best, we really need to deal with this
* in request enlarging code before unpacking that's already
- * there */
+ * there
+ */
if (req->rq_import)
spin_lock(&req->rq_import->imp_lock);
- memcpy(newbuf, req->rq_reqbuf, req->rq_reqbuf_len);
+ memcpy(newbuf, req->rq_reqbuf, req->rq_reqbuf_len);
- OBD_FREE_LARGE(req->rq_reqbuf, req->rq_reqbuf_len);
- req->rq_reqbuf = newbuf;
- req->rq_reqbuf_len = newbuf_size;
- req->rq_reqmsg = lustre_msg_buf(req->rq_reqbuf,
- PLAIN_PACK_MSG_OFF, 0);
+ OBD_FREE_LARGE(req->rq_reqbuf, req->rq_reqbuf_len);
+ req->rq_reqbuf = newbuf;
+ req->rq_reqbuf_len = newbuf_size;
+ req->rq_reqmsg = lustre_msg_buf(req->rq_reqbuf,
+ PLAIN_PACK_MSG_OFF, 0);
if (req->rq_import)
spin_unlock(&req->rq_import->imp_lock);
- }
+ }
- _sptlrpc_enlarge_msg_inplace(req->rq_reqbuf, PLAIN_PACK_MSG_OFF,
- newmsg_size);
- _sptlrpc_enlarge_msg_inplace(req->rq_reqmsg, segment, newsize);
+ _sptlrpc_enlarge_msg_inplace(req->rq_reqbuf, PLAIN_PACK_MSG_OFF,
+ newmsg_size);
+ _sptlrpc_enlarge_msg_inplace(req->rq_reqmsg, segment, newsize);
- req->rq_reqlen = newmsg_size;
- RETURN(0);
+ req->rq_reqlen = newmsg_size;
+ RETURN(0);
}
-/****************************************
- * service apis *
- ****************************************/
+/*
+ * service apis
+ */
static struct ptlrpc_svc_ctx plain_svc_ctx = {
.sc_refcount = ATOMIC_INIT(1),
- .sc_policy = &plain_policy,
+ .sc_policy = &plain_policy,
};
-static
-int plain_accept(struct ptlrpc_request *req)
+static int plain_accept(struct ptlrpc_request *req)
{
- struct lustre_msg *msg = req->rq_reqbuf;
- struct plain_header *phdr;
- int swabbed;
- ENTRY;
-
- LASSERT(SPTLRPC_FLVR_POLICY(req->rq_flvr.sf_rpc) ==
- SPTLRPC_POLICY_PLAIN);
-
- if (SPTLRPC_FLVR_BASE(req->rq_flvr.sf_rpc) !=
- SPTLRPC_FLVR_BASE(SPTLRPC_FLVR_PLAIN) ||
- SPTLRPC_FLVR_BULK_TYPE(req->rq_flvr.sf_rpc) !=
- SPTLRPC_FLVR_BULK_TYPE(SPTLRPC_FLVR_PLAIN)) {
- CERROR("Invalid rpc flavor %x\n", req->rq_flvr.sf_rpc);
- RETURN(SECSVC_DROP);
- }
-
- if (msg->lm_bufcount < PLAIN_PACK_SEGMENTS) {
- CERROR("unexpected request buf count %u\n", msg->lm_bufcount);
- RETURN(SECSVC_DROP);
- }
-
- swabbed = ptlrpc_req_need_swab(req);
-
- phdr = lustre_msg_buf(msg, PLAIN_PACK_HDR_OFF, sizeof(*phdr));
- if (phdr == NULL) {
- CERROR("missing plain header\n");
- RETURN(-EPROTO);
- }
-
- if (phdr->ph_ver != 0) {
- CERROR("Invalid header version\n");
- RETURN(-EPROTO);
- }
-
- if (phdr->ph_bulk_hash_alg >= BULK_HASH_ALG_MAX) {
- CERROR("invalid hash algorithm: %u\n", phdr->ph_bulk_hash_alg);
- RETURN(-EPROTO);
- }
-
- req->rq_sp_from = phdr->ph_sp;
- req->rq_flvr.u_bulk.hash.hash_alg = phdr->ph_bulk_hash_alg;
-
- if (phdr->ph_flags & PLAIN_FL_USER) {
- if (sptlrpc_unpack_user_desc(msg, PLAIN_PACK_USER_OFF,
- swabbed)) {
- CERROR("Mal-formed user descriptor\n");
- RETURN(SECSVC_DROP);
- }
-
- req->rq_pack_udesc = 1;
- req->rq_user_desc = lustre_msg_buf(msg, PLAIN_PACK_USER_OFF, 0);
- }
-
- if (phdr->ph_flags & PLAIN_FL_BULK) {
- if (plain_unpack_bsd(msg, swabbed))
- RETURN(SECSVC_DROP);
-
- req->rq_pack_bulk = 1;
- }
+ struct lustre_msg *msg = req->rq_reqbuf;
+ struct plain_header *phdr;
+ bool swabbed;
+
+ ENTRY;
+ LASSERT(SPTLRPC_FLVR_POLICY(req->rq_flvr.sf_rpc) ==
+ SPTLRPC_POLICY_PLAIN);
+
+ if (SPTLRPC_FLVR_BASE(req->rq_flvr.sf_rpc) !=
+ SPTLRPC_FLVR_BASE(SPTLRPC_FLVR_PLAIN) ||
+ SPTLRPC_FLVR_BULK_TYPE(req->rq_flvr.sf_rpc) !=
+ SPTLRPC_FLVR_BULK_TYPE(SPTLRPC_FLVR_PLAIN)) {
+ CERROR("Invalid rpc flavor %x\n", req->rq_flvr.sf_rpc);
+ RETURN(SECSVC_DROP);
+ }
+
+ if (msg->lm_bufcount < PLAIN_PACK_SEGMENTS) {
+ CERROR("unexpected request buf count %u\n", msg->lm_bufcount);
+ RETURN(SECSVC_DROP);
+ }
+
+ swabbed = ptlrpc_req_need_swab(req);
+
+ phdr = lustre_msg_buf(msg, PLAIN_PACK_HDR_OFF, sizeof(*phdr));
+ if (phdr == NULL) {
+ CERROR("missing plain header\n");
+ RETURN(-EPROTO);
+ }
+
+ if (phdr->ph_ver != 0) {
+ CERROR("Invalid header version\n");
+ RETURN(-EPROTO);
+ }
+
+ if (phdr->ph_bulk_hash_alg >= BULK_HASH_ALG_MAX) {
+ CERROR("invalid hash algorithm: %u\n", phdr->ph_bulk_hash_alg);
+ RETURN(-EPROTO);
+ }
+
+ req->rq_sp_from = phdr->ph_sp;
+ req->rq_flvr.u_bulk.hash.hash_alg = phdr->ph_bulk_hash_alg;
+
+ if (phdr->ph_flags & PLAIN_FL_USER) {
+ if (sptlrpc_unpack_user_desc(msg, PLAIN_PACK_USER_OFF,
+ swabbed)) {
+ CERROR("Mal-formed user descriptor\n");
+ RETURN(SECSVC_DROP);
+ }
+
+ req->rq_pack_udesc = 1;
+ req->rq_user_desc = lustre_msg_buf(msg, PLAIN_PACK_USER_OFF, 0);
+ }
+
+ if (phdr->ph_flags & PLAIN_FL_BULK) {
+ if (plain_unpack_bsd(msg, swabbed))
+ RETURN(SECSVC_DROP);
+
+ req->rq_pack_bulk = 1;
+ }
req->rq_reqmsg = lustre_msg_buf(msg, PLAIN_PACK_MSG_OFF, 0);
req->rq_reqlen = msg->lm_buflens[PLAIN_PACK_MSG_OFF];
static
int plain_alloc_rs(struct ptlrpc_request *req, int msgsize)
{
- struct ptlrpc_reply_state *rs;
- __u32 buflens[PLAIN_PACK_SEGMENTS] = { 0, };
- int rs_size = sizeof(*rs);
- ENTRY;
+ struct ptlrpc_reply_state *rs;
+ __u32 buflens[PLAIN_PACK_SEGMENTS] = { 0, };
+ int rs_size = sizeof(*rs);
- LASSERT(msgsize % 8 == 0);
+ ENTRY;
+
+ LASSERT(msgsize % 8 == 0);
- buflens[PLAIN_PACK_HDR_OFF] = sizeof(struct plain_header);
- buflens[PLAIN_PACK_MSG_OFF] = msgsize;
+ buflens[PLAIN_PACK_HDR_OFF] = sizeof(struct plain_header);
+ buflens[PLAIN_PACK_MSG_OFF] = msgsize;
- if (req->rq_pack_bulk && (req->rq_bulk_read || req->rq_bulk_write))
- buflens[PLAIN_PACK_BULK_OFF] = PLAIN_BSD_SIZE;
+ if (req->rq_pack_bulk && (req->rq_bulk_read || req->rq_bulk_write))
+ buflens[PLAIN_PACK_BULK_OFF] = PLAIN_BSD_SIZE;
- rs_size += lustre_msg_size_v2(PLAIN_PACK_SEGMENTS, buflens);
+ rs_size += lustre_msg_size_v2(PLAIN_PACK_SEGMENTS, buflens);
- rs = req->rq_reply_state;
+ rs = req->rq_reply_state;
- if (rs) {
- /* pre-allocated */
- LASSERT(rs->rs_size >= rs_size);
- } else {
- OBD_ALLOC_LARGE(rs, rs_size);
- if (rs == NULL)
- RETURN(-ENOMEM);
+ if (rs) {
+ /* pre-allocated */
+ LASSERT(rs->rs_size >= rs_size);
+ } else {
+ OBD_ALLOC_LARGE(rs, rs_size);
+ if (rs == NULL)
+ RETURN(-ENOMEM);
- rs->rs_size = rs_size;
- }
+ rs->rs_size = rs_size;
+ }
rs->rs_svc_ctx = req->rq_svc_ctx;
atomic_inc(&req->rq_svc_ctx->sc_refcount);
static
int plain_authorize(struct ptlrpc_request *req)
{
- struct ptlrpc_reply_state *rs = req->rq_reply_state;
- struct lustre_msg_v2 *msg = rs->rs_repbuf;
- struct plain_header *phdr;
- int len;
- ENTRY;
-
- LASSERT(rs);
- LASSERT(msg);
-
- if (req->rq_replen != msg->lm_buflens[PLAIN_PACK_MSG_OFF])
- len = lustre_shrink_msg(msg, PLAIN_PACK_MSG_OFF,
- req->rq_replen, 1);
- else
- len = lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
-
- msg->lm_secflvr = req->rq_flvr.sf_rpc;
-
- phdr = lustre_msg_buf(msg, PLAIN_PACK_HDR_OFF, 0);
- phdr->ph_ver = 0;
- phdr->ph_flags = 0;
- phdr->ph_bulk_hash_alg = req->rq_flvr.u_bulk.hash.hash_alg;
-
- if (req->rq_pack_bulk)
- phdr->ph_flags |= PLAIN_FL_BULK;
-
- rs->rs_repdata_len = len;
-
- if (likely(req->rq_packed_final)) {
- if (lustre_msghdr_get_flags(req->rq_reqmsg) & MSGHDR_AT_SUPPORT)
- req->rq_reply_off = plain_at_offset;
- else
- req->rq_reply_off = 0;
- } else {
+ struct ptlrpc_reply_state *rs = req->rq_reply_state;
+ struct lustre_msg_v2 *msg = rs->rs_repbuf;
+ struct plain_header *phdr;
+ int len;
+
+ ENTRY;
+
+ LASSERT(rs);
+ LASSERT(msg);
+
+ if (req->rq_replen != msg->lm_buflens[PLAIN_PACK_MSG_OFF])
+ len = lustre_shrink_msg(msg, PLAIN_PACK_MSG_OFF,
+ req->rq_replen, 1);
+ else
+ len = lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
+
+ msg->lm_secflvr = req->rq_flvr.sf_rpc;
+
+ phdr = lustre_msg_buf(msg, PLAIN_PACK_HDR_OFF, 0);
+ phdr->ph_ver = 0;
+ phdr->ph_flags = 0;
+ phdr->ph_bulk_hash_alg = req->rq_flvr.u_bulk.hash.hash_alg;
+
+ if (req->rq_pack_bulk)
+ phdr->ph_flags |= PLAIN_FL_BULK;
+
+ rs->rs_repdata_len = len;
+
+ if (likely(req->rq_packed_final)) {
+ if (lustre_msghdr_get_flags(req->rq_reqmsg) & MSGHDR_AT_SUPPORT)
+ req->rq_reply_off = plain_at_offset;
+ else
+ req->rq_reply_off = 0;
+ } else {
unsigned int hsize = 4;
cfs_crypto_hash_digest(CFS_HASH_ALG_CRC32,
lustre_msg_buf(msg, PLAIN_PACK_MSG_OFF, 0),
lustre_msg_buflen(msg, PLAIN_PACK_MSG_OFF),
NULL, 0, (unsigned char *)&msg->lm_cksum, &hsize);
- req->rq_reply_off = 0;
- }
+ req->rq_reply_off = 0;
+ }
- RETURN(0);
+ RETURN(0);
}
static
int plain_svc_unwrap_bulk(struct ptlrpc_request *req,
- struct ptlrpc_bulk_desc *desc)
+ struct ptlrpc_bulk_desc *desc)
{
- struct ptlrpc_reply_state *rs = req->rq_reply_state;
- struct ptlrpc_bulk_sec_desc *bsdr, *bsdv;
- struct plain_bulk_token *tokenr;
- int rc;
-
- LASSERT(req->rq_bulk_write);
- LASSERT(req->rq_pack_bulk);
-
- bsdr = lustre_msg_buf(req->rq_reqbuf, PLAIN_PACK_BULK_OFF, 0);
- tokenr = (struct plain_bulk_token *) bsdr->bsd_data;
- bsdv = lustre_msg_buf(rs->rs_repbuf, PLAIN_PACK_BULK_OFF, 0);
-
- bsdv->bsd_version = 0;
- bsdv->bsd_type = SPTLRPC_BULK_DEFAULT;
- bsdv->bsd_svc = bsdr->bsd_svc;
- bsdv->bsd_flags = 0;
-
- if (bsdr->bsd_svc == SPTLRPC_BULK_SVC_NULL)
- return 0;
-
- rc = plain_verify_bulk_csum(desc, req->rq_flvr.u_bulk.hash.hash_alg,
- tokenr);
- if (rc) {
- bsdv->bsd_flags |= BSD_FL_ERR;
- CERROR("bulk write: server verify failed: %d\n", rc);
- }
-
- return rc;
+ struct ptlrpc_reply_state *rs = req->rq_reply_state;
+ struct ptlrpc_bulk_sec_desc *bsdr, *bsdv;
+ struct plain_bulk_token *tokenr;
+ int rc;
+
+ LASSERT(req->rq_bulk_write);
+ LASSERT(req->rq_pack_bulk);
+
+ bsdr = lustre_msg_buf(req->rq_reqbuf, PLAIN_PACK_BULK_OFF, 0);
+ tokenr = (struct plain_bulk_token *) bsdr->bsd_data;
+ bsdv = lustre_msg_buf(rs->rs_repbuf, PLAIN_PACK_BULK_OFF, 0);
+
+ bsdv->bsd_version = 0;
+ bsdv->bsd_type = SPTLRPC_BULK_DEFAULT;
+ bsdv->bsd_svc = bsdr->bsd_svc;
+ bsdv->bsd_flags = 0;
+
+ if (bsdr->bsd_svc == SPTLRPC_BULK_SVC_NULL)
+ return 0;
+
+ rc = plain_verify_bulk_csum(desc, req->rq_flvr.u_bulk.hash.hash_alg,
+ tokenr);
+ if (rc) {
+ bsdv->bsd_flags |= BSD_FL_ERR;
+ CERROR("bulk write: server verify failed: %d\n", rc);
+ }
+
+ return rc;
}
static
int plain_svc_wrap_bulk(struct ptlrpc_request *req,
- struct ptlrpc_bulk_desc *desc)
+ struct ptlrpc_bulk_desc *desc)
{
- struct ptlrpc_reply_state *rs = req->rq_reply_state;
- struct ptlrpc_bulk_sec_desc *bsdr, *bsdv;
- struct plain_bulk_token *tokenv;
- int rc;
-
- LASSERT(req->rq_bulk_read);
- LASSERT(req->rq_pack_bulk);
-
- bsdr = lustre_msg_buf(req->rq_reqbuf, PLAIN_PACK_BULK_OFF, 0);
- bsdv = lustre_msg_buf(rs->rs_repbuf, PLAIN_PACK_BULK_OFF, 0);
- tokenv = (struct plain_bulk_token *) bsdv->bsd_data;
-
- bsdv->bsd_version = 0;
- bsdv->bsd_type = SPTLRPC_BULK_DEFAULT;
- bsdv->bsd_svc = bsdr->bsd_svc;
- bsdv->bsd_flags = 0;
-
- if (bsdr->bsd_svc == SPTLRPC_BULK_SVC_NULL)
- return 0;
-
- rc = plain_generate_bulk_csum(desc, req->rq_flvr.u_bulk.hash.hash_alg,
- tokenv);
- if (rc) {
- CERROR("bulk read: server failed to compute "
- "checksum: %d\n", rc);
- } else {
- if (OBD_FAIL_CHECK(OBD_FAIL_OSC_CHECKSUM_RECEIVE))
- corrupt_bulk_data(desc);
- }
-
- return rc;
+ struct ptlrpc_reply_state *rs = req->rq_reply_state;
+ struct ptlrpc_bulk_sec_desc *bsdr, *bsdv;
+ struct plain_bulk_token *tokenv;
+ int rc;
+
+ LASSERT(req->rq_bulk_read);
+ LASSERT(req->rq_pack_bulk);
+
+ bsdr = lustre_msg_buf(req->rq_reqbuf, PLAIN_PACK_BULK_OFF, 0);
+ bsdv = lustre_msg_buf(rs->rs_repbuf, PLAIN_PACK_BULK_OFF, 0);
+ tokenv = (struct plain_bulk_token *) bsdv->bsd_data;
+
+ bsdv->bsd_version = 0;
+ bsdv->bsd_type = SPTLRPC_BULK_DEFAULT;
+ bsdv->bsd_svc = bsdr->bsd_svc;
+ bsdv->bsd_flags = 0;
+
+ if (bsdr->bsd_svc == SPTLRPC_BULK_SVC_NULL)
+ return 0;
+
+ rc = plain_generate_bulk_csum(desc, req->rq_flvr.u_bulk.hash.hash_alg,
+ tokenv);
+ if (rc) {
+ CERROR("bulk read: server failed to compute checksum: %d\n",
+ rc);
+ } else {
+ if (OBD_FAIL_CHECK(OBD_FAIL_OSC_CHECKSUM_RECEIVE))
+ corrupt_bulk_data(desc);
+ }
+
+ return rc;
}
static struct ptlrpc_ctx_ops plain_ctx_ops = {
- .refresh = plain_ctx_refresh,
- .validate = plain_ctx_validate,
- .sign = plain_ctx_sign,
- .verify = plain_ctx_verify,
- .wrap_bulk = plain_cli_wrap_bulk,
- .unwrap_bulk = plain_cli_unwrap_bulk,
+ .refresh = plain_ctx_refresh,
+ .validate = plain_ctx_validate,
+ .sign = plain_ctx_sign,
+ .verify = plain_ctx_verify,
+ .wrap_bulk = plain_cli_wrap_bulk,
+ .unwrap_bulk = plain_cli_unwrap_bulk,
};
static struct ptlrpc_sec_cops plain_sec_cops = {
- .create_sec = plain_create_sec,
- .destroy_sec = plain_destroy_sec,
- .kill_sec = plain_kill_sec,
- .lookup_ctx = plain_lookup_ctx,
- .release_ctx = plain_release_ctx,
- .flush_ctx_cache = plain_flush_ctx_cache,
- .alloc_reqbuf = plain_alloc_reqbuf,
- .free_reqbuf = plain_free_reqbuf,
- .alloc_repbuf = plain_alloc_repbuf,
- .free_repbuf = plain_free_repbuf,
- .enlarge_reqbuf = plain_enlarge_reqbuf,
+ .create_sec = plain_create_sec,
+ .destroy_sec = plain_destroy_sec,
+ .kill_sec = plain_kill_sec,
+ .lookup_ctx = plain_lookup_ctx,
+ .release_ctx = plain_release_ctx,
+ .flush_ctx_cache = plain_flush_ctx_cache,
+ .alloc_reqbuf = plain_alloc_reqbuf,
+ .free_reqbuf = plain_free_reqbuf,
+ .alloc_repbuf = plain_alloc_repbuf,
+ .free_repbuf = plain_free_repbuf,
+ .enlarge_reqbuf = plain_enlarge_reqbuf,
};
static struct ptlrpc_sec_sops plain_sec_sops = {
- .accept = plain_accept,
- .alloc_rs = plain_alloc_rs,
- .authorize = plain_authorize,
- .free_rs = plain_free_rs,
- .unwrap_bulk = plain_svc_unwrap_bulk,
- .wrap_bulk = plain_svc_wrap_bulk,
+ .accept = plain_accept,
+ .alloc_rs = plain_alloc_rs,
+ .authorize = plain_authorize,
+ .free_rs = plain_free_rs,
+ .unwrap_bulk = plain_svc_unwrap_bulk,
+ .wrap_bulk = plain_svc_wrap_bulk,
};
static struct ptlrpc_sec_policy plain_policy = {
- .sp_owner = THIS_MODULE,
- .sp_name = "plain",
- .sp_policy = SPTLRPC_POLICY_PLAIN,
- .sp_cops = &plain_sec_cops,
- .sp_sops = &plain_sec_sops,
+ .sp_owner = THIS_MODULE,
+ .sp_name = "plain",
+ .sp_policy = SPTLRPC_POLICY_PLAIN,
+ .sp_cops = &plain_sec_cops,
+ .sp_sops = &plain_sec_sops,
};
int sptlrpc_plain_init(void)
{
- __u32 buflens[PLAIN_PACK_SEGMENTS] = { 0, };
- int rc;
+ __u32 buflens[PLAIN_PACK_SEGMENTS] = { 0, };
+ int rc;
- buflens[PLAIN_PACK_MSG_OFF] = lustre_msg_early_size();
- plain_at_offset = lustre_msg_size_v2(PLAIN_PACK_SEGMENTS, buflens);
+ buflens[PLAIN_PACK_MSG_OFF] = lustre_msg_early_size();
+ plain_at_offset = lustre_msg_size_v2(PLAIN_PACK_SEGMENTS, buflens);
- rc = sptlrpc_register_policy(&plain_policy);
- if (rc)
- CERROR("failed to register: %d\n", rc);
+ rc = sptlrpc_register_policy(&plain_policy);
+ if (rc)
+ CERROR("failed to register: %d\n", rc);
- return rc;
+ return rc;
}
void sptlrpc_plain_fini(void)
{
- int rc;
+ int rc;
- rc = sptlrpc_unregister_policy(&plain_policy);
- if (rc)
- CERROR("cannot unregister: %d\n", rc);
+ rc = sptlrpc_unregister_policy(&plain_policy);
+ if (rc)
+ CERROR("cannot unregister: %d\n", rc);
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff