-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* 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) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2011, 2017, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
* Lustre is a trademark of Sun Microsystems, Inc.
*/
-#ifndef EXPORT_SYMTAB
-#define EXPORT_SYMTAB
-#endif
#define DEBUG_SUBSYSTEM S_SEC
#include <libcfs/libcfs.h>
-#ifndef __KERNEL__
-#include <liblustre.h>
-#include <libcfs/list.h>
-#else
#include <linux/crypto.h>
#include <linux/key.h>
-#endif
#include <obd.h>
#include <obd_class.h>
#include <lustre_log.h>
#include <lustre_disk.h>
#include <lustre_dlm.h>
-#include <lustre_param.h>
+#include <uapi/linux/lustre/lustre_param.h>
#include <lustre_sec.h>
#include "ptlrpc_internal.h"
CERROR("unknown target %p(%s)\n", obd, type);
return LUSTRE_SP_ANY;
}
-EXPORT_SYMBOL(sptlrpc_target_sec_part);
/****************************************
* user supplied flavor string parsing *
return 0;
}
- strncpy(buf, str, sizeof(buf));
- buf[sizeof(buf) - 1] = '\0';
+ strlcpy(buf, str, sizeof(buf));
bulk = strchr(buf, '-');
if (bulk)
void sptlrpc_rule_set_free(struct sptlrpc_rule_set *rset)
{
- LASSERT(rset->srs_nslot ||
- (rset->srs_nrule == 0 && rset->srs_rules == NULL));
+ LASSERT(rset->srs_nslot ||
+ (rset->srs_nrule == 0 && rset->srs_rules == NULL));
- if (rset->srs_nslot) {
- OBD_FREE(rset->srs_rules,
- rset->srs_nslot * sizeof(*rset->srs_rules));
- sptlrpc_rule_set_init(rset);
- }
+ if (rset->srs_nslot) {
+ OBD_FREE_PTR_ARRAY(rset->srs_rules, rset->srs_nslot);
+ sptlrpc_rule_set_init(rset);
+ }
}
EXPORT_SYMBOL(sptlrpc_rule_set_free);
*/
int sptlrpc_rule_set_expand(struct sptlrpc_rule_set *rset)
{
- struct sptlrpc_rule *rules;
- int nslot;
+ struct sptlrpc_rule *rules;
+ int nslot;
- cfs_might_sleep();
+ might_sleep();
- if (rset->srs_nrule < rset->srs_nslot)
- return 0;
+ if (rset->srs_nrule < rset->srs_nslot)
+ return 0;
- nslot = rset->srs_nslot + 8;
+ nslot = rset->srs_nslot + 8;
- /* better use realloc() if available */
- OBD_ALLOC(rules, nslot * sizeof(*rset->srs_rules));
- if (rules == NULL)
- return -ENOMEM;
+ /* better use realloc() if available */
+ OBD_ALLOC_PTR_ARRAY(rules, nslot);
+ if (rules == NULL)
+ return -ENOMEM;
- if (rset->srs_nrule) {
- LASSERT(rset->srs_nslot && rset->srs_rules);
- memcpy(rules, rset->srs_rules,
- rset->srs_nrule * sizeof(*rset->srs_rules));
+ if (rset->srs_nrule) {
+ LASSERT(rset->srs_nslot && rset->srs_rules);
+ memcpy(rules, rset->srs_rules,
+ rset->srs_nrule * sizeof(*rset->srs_rules));
- OBD_FREE(rset->srs_rules,
- rset->srs_nslot * sizeof(*rset->srs_rules));
- }
+ OBD_FREE_PTR_ARRAY(rset->srs_rules, rset->srs_nslot);
+ }
rset->srs_rules = rules;
rset->srs_nslot = nslot;
return 0;
}
-EXPORT_SYMBOL(sptlrpc_rule_set_expand);
static inline int rule_spec_dir(struct sptlrpc_rule *rule)
{
int sptlrpc_rule_set_merge(struct sptlrpc_rule_set *rset,
struct sptlrpc_rule *rule)
{
- struct sptlrpc_rule *p = rset->srs_rules;
- int spec_dir, spec_net;
- int rc, n, match = 0;
+ struct sptlrpc_rule *p = rset->srs_rules;
+ int spec_dir, spec_net;
+ int rc, n, match = 0;
- cfs_might_sleep();
+ might_sleep();
- spec_net = rule_spec_net(rule);
- spec_dir = rule_spec_dir(rule);
+ spec_net = rule_spec_net(rule);
+ spec_dir = rule_spec_dir(rule);
for (n = 0; n < rset->srs_nrule; n++) {
p = &rset->srs_rules[n];
return 0;
}
-EXPORT_SYMBOL(sptlrpc_rule_set_choose);
void sptlrpc_rule_set_dump(struct sptlrpc_rule_set *rset)
{
for (n = 0; n < rset->srs_nrule; n++) {
r = &rset->srs_rules[n];
- CWARN("<%02d> from %x to %x, net %x, rpc %x\n", n,
- r->sr_from, r->sr_to, r->sr_netid, r->sr_flvr.sf_rpc);
+ CDEBUG(D_SEC, "<%02d> from %x to %x, net %x, rpc %x\n", n,
+ r->sr_from, r->sr_to, r->sr_netid, r->sr_flvr.sf_rpc);
}
}
-EXPORT_SYMBOL(sptlrpc_rule_set_dump);
static int sptlrpc_rule_set_extract(struct sptlrpc_rule_set *gen,
struct sptlrpc_rule_set *tgt,
enum lustre_sec_part to,
struct sptlrpc_rule_set *rset)
{
- struct sptlrpc_rule_set *src[2] = { gen, tgt };
- struct sptlrpc_rule *rule;
- int i, n, rc;
+ struct sptlrpc_rule_set *src[2] = { gen, tgt };
+ struct sptlrpc_rule *rule;
+ int i, n, rc;
- cfs_might_sleep();
+ might_sleep();
- /* merge general rules firstly, then target-specific rules */
- for (i = 0; i < 2; i++) {
- if (src[i] == NULL)
- continue;
+ /* merge general rules firstly, then target-specific rules */
+ for (i = 0; i < 2; i++) {
+ if (src[i] == NULL)
+ continue;
for (n = 0; n < src[i]->srs_nrule; n++) {
rule = &src[i]->srs_rules[n];
**********************************/
struct sptlrpc_conf_tgt {
- cfs_list_t sct_list;
+ struct list_head sct_list;
char sct_name[MAX_OBD_NAME];
struct sptlrpc_rule_set sct_rset;
};
struct sptlrpc_conf {
- cfs_list_t sc_list;
- char sc_fsname[MTI_NAME_MAXLEN];
- unsigned int sc_modified; /* modified during updating */
- unsigned int sc_updated:1, /* updated copy from MGS */
- sc_local:1; /* local copy from target */
- struct sptlrpc_rule_set sc_rset; /* fs general rules */
- cfs_list_t sc_tgts; /* target-specific rules */
+ struct list_head sc_list;
+ char sc_fsname[MTI_NAME_MAXLEN];
+ unsigned int sc_modified; /* modified during updating */
+ unsigned int sc_updated:1, /* updated copy from MGS */
+ sc_local:1; /* local copy from target */
+ struct sptlrpc_rule_set sc_rset; /* fs general rules */
+ struct list_head sc_tgts; /* target-specific rules */
};
-static cfs_mutex_t sptlrpc_conf_lock;
-static CFS_LIST_HEAD(sptlrpc_confs);
-
-static inline int is_hex(char c)
-{
- return ((c >= '0' && c <= '9') ||
- (c >= 'a' && c <= 'f'));
-}
-
-static void target2fsname(const char *tgt, char *fsname, int buflen)
-{
- const char *ptr;
- int len;
-
- ptr = strrchr(tgt, '-');
- if (ptr) {
- if ((strncmp(ptr, "-MDT", 4) != 0 &&
- strncmp(ptr, "-OST", 4) != 0) ||
- !is_hex(ptr[4]) || !is_hex(ptr[5]) ||
- !is_hex(ptr[6]) || !is_hex(ptr[7]))
- ptr = NULL;
- }
-
- /* if we didn't find the pattern, treat the whole string as fsname */
- if (ptr == NULL)
- len = strlen(tgt);
- else
- len = ptr - tgt;
-
- len = min(len, buflen - 1);
- memcpy(fsname, tgt, len);
- fsname[len] = '\0';
-}
+static struct mutex sptlrpc_conf_lock;
+static LIST_HEAD(sptlrpc_confs);
static void sptlrpc_conf_free_rsets(struct sptlrpc_conf *conf)
{
- struct sptlrpc_conf_tgt *conf_tgt, *conf_tgt_next;
+ struct sptlrpc_conf_tgt *conf_tgt, *conf_tgt_next;
- sptlrpc_rule_set_free(&conf->sc_rset);
+ sptlrpc_rule_set_free(&conf->sc_rset);
- cfs_list_for_each_entry_safe(conf_tgt, conf_tgt_next,
- &conf->sc_tgts, sct_list) {
- sptlrpc_rule_set_free(&conf_tgt->sct_rset);
- cfs_list_del(&conf_tgt->sct_list);
- OBD_FREE_PTR(conf_tgt);
- }
- LASSERT(cfs_list_empty(&conf->sc_tgts));
+ list_for_each_entry_safe(conf_tgt, conf_tgt_next,
+ &conf->sc_tgts, sct_list) {
+ sptlrpc_rule_set_free(&conf_tgt->sct_rset);
+ list_del(&conf_tgt->sct_list);
+ OBD_FREE_PTR(conf_tgt);
+ }
+ LASSERT(list_empty(&conf->sc_tgts));
- conf->sc_updated = 0;
- conf->sc_local = 0;
+ conf->sc_updated = 0;
+ conf->sc_local = 0;
}
static void sptlrpc_conf_free(struct sptlrpc_conf *conf)
{
- CDEBUG(D_SEC, "free sptlrpc conf %s\n", conf->sc_fsname);
+ CDEBUG(D_SEC, "free sptlrpc conf %s\n", conf->sc_fsname);
- sptlrpc_conf_free_rsets(conf);
- cfs_list_del(&conf->sc_list);
- OBD_FREE_PTR(conf);
+ sptlrpc_conf_free_rsets(conf);
+ list_del(&conf->sc_list);
+ OBD_FREE_PTR(conf);
}
static
{
struct sptlrpc_conf_tgt *conf_tgt;
- cfs_list_for_each_entry(conf_tgt, &conf->sc_tgts, sct_list) {
+ list_for_each_entry(conf_tgt, &conf->sc_tgts, sct_list) {
if (strcmp(conf_tgt->sct_name, name) == 0)
return conf_tgt;
}
OBD_ALLOC_PTR(conf_tgt);
if (conf_tgt) {
- strncpy(conf_tgt->sct_name, name, sizeof(conf_tgt->sct_name));
+ strlcpy(conf_tgt->sct_name, name, sizeof(conf_tgt->sct_name));
sptlrpc_rule_set_init(&conf_tgt->sct_rset);
- cfs_list_add(&conf_tgt->sct_list, &conf->sc_tgts);
+ list_add(&conf_tgt->sct_list, &conf->sc_tgts);
}
return conf_tgt;
{
struct sptlrpc_conf *conf;
- cfs_list_for_each_entry(conf, &sptlrpc_confs, sc_list) {
+ list_for_each_entry(conf, &sptlrpc_confs, sc_list) {
if (strcmp(conf->sc_fsname, fsname) == 0)
return conf;
}
if (conf == NULL)
return NULL;
- strcpy(conf->sc_fsname, fsname);
+ if (strlcpy(conf->sc_fsname, fsname, sizeof(conf->sc_fsname)) >=
+ sizeof(conf->sc_fsname)) {
+ OBD_FREE_PTR(conf);
+ return NULL;
+ }
sptlrpc_rule_set_init(&conf->sc_rset);
- CFS_INIT_LIST_HEAD(&conf->sc_tgts);
- cfs_list_add(&conf->sc_list, &sptlrpc_confs);
+ INIT_LIST_HEAD(&conf->sc_tgts);
+ list_add(&conf->sc_list, &sptlrpc_confs);
CDEBUG(D_SEC, "create sptlrpc conf %s\n", conf->sc_fsname);
return conf;
* find one through the target name in the record inside conf_lock;
* otherwise means caller already hold conf_lock.
*/
-static int __sptlrpc_process_config(struct lustre_cfg *lcfg,
- struct sptlrpc_conf *conf)
+static int __sptlrpc_process_config(char *target, const char *fsname,
+ struct sptlrpc_rule *rule,
+ struct sptlrpc_conf *conf)
{
- char *target, *param;
- char fsname[MTI_NAME_MAXLEN];
- struct sptlrpc_rule rule;
- int rc;
- ENTRY;
+ int rc;
- target = lustre_cfg_string(lcfg, 1);
- if (target == NULL) {
- CERROR("missing target name\n");
- RETURN(-EINVAL);
- }
-
- param = lustre_cfg_string(lcfg, 2);
- if (param == NULL) {
- CERROR("missing parameter\n");
- RETURN(-EINVAL);
- }
-
- CDEBUG(D_SEC, "processing rule: %s.%s\n", target, param);
-
- /* parse rule to make sure the format is correct */
- if (strncmp(param, PARAM_SRPC_FLVR, sizeof(PARAM_SRPC_FLVR) - 1) != 0) {
- CERROR("Invalid sptlrpc parameter: %s\n", param);
- RETURN(-EINVAL);
- }
- param += sizeof(PARAM_SRPC_FLVR) - 1;
-
- rc = sptlrpc_parse_rule(param, &rule);
- if (rc)
- RETURN(-EINVAL);
+ ENTRY;
+ if (!conf) {
+ if (!fsname)
+ return -ENODEV;
- if (conf == NULL) {
- target2fsname(target, fsname, sizeof(fsname));
+ mutex_lock(&sptlrpc_conf_lock);
+ conf = sptlrpc_conf_get(fsname, 0);
+ if (!conf) {
+ CERROR("can't find conf\n");
+ rc = -ENOMEM;
+ } else {
+ rc = sptlrpc_conf_merge_rule(conf, target, rule);
+ }
+ mutex_unlock(&sptlrpc_conf_lock);
+ } else {
+ LASSERT(mutex_is_locked(&sptlrpc_conf_lock));
+ rc = sptlrpc_conf_merge_rule(conf, target, rule);
+ }
- cfs_mutex_lock(&sptlrpc_conf_lock);
- conf = sptlrpc_conf_get(fsname, 0);
- if (conf == NULL) {
- CERROR("can't find conf\n");
- rc = -ENOMEM;
- } else {
- rc = sptlrpc_conf_merge_rule(conf, target, &rule);
- }
- cfs_mutex_unlock(&sptlrpc_conf_lock);
- } else {
- LASSERT(cfs_mutex_is_locked(&sptlrpc_conf_lock));
- rc = sptlrpc_conf_merge_rule(conf, target, &rule);
- }
-
- if (rc == 0)
- conf->sc_modified++;
+ if (!rc)
+ conf->sc_modified++;
- RETURN(rc);
+ RETURN(rc);
}
int sptlrpc_process_config(struct lustre_cfg *lcfg)
{
- return __sptlrpc_process_config(lcfg, NULL);
+ char fsname[MTI_NAME_MAXLEN];
+ struct sptlrpc_rule rule;
+ char *target, *param;
+ int rc;
+
+ print_lustre_cfg(lcfg);
+
+ target = lustre_cfg_string(lcfg, 1);
+ if (!target) {
+ CERROR("missing target name\n");
+ return -EINVAL;
+ }
+
+ param = lustre_cfg_string(lcfg, 2);
+ if (!param) {
+ CERROR("missing parameter\n");
+ return -EINVAL;
+ }
+
+ /* parse rule to make sure the format is correct */
+ if (strncmp(param, PARAM_SRPC_FLVR,
+ sizeof(PARAM_SRPC_FLVR) - 1) != 0) {
+ CERROR("Invalid sptlrpc parameter: %s\n", param);
+ return -EINVAL;
+ }
+ param += sizeof(PARAM_SRPC_FLVR) - 1;
+
+ CDEBUG(D_SEC, "processing rule: %s.%s\n", target, param);
+
+ /*
+ * Three types of targets exist for sptlrpc using conf_param
+ * 1. '_mgs' which targets mgc srpc settings. Treat it as
+ * as a special file system name.
+ * 2. target is a device which can be fsname-MDTXXXX or
+ * fsname-OSTXXXX. This can be verified by the function
+ * server_name2fsname.
+ * 3. If both above conditions are not meet then the target
+ * is a actual filesystem.
+ */
+ if (server_name2fsname(target, fsname, NULL))
+ strlcpy(fsname, target, sizeof(target));
+
+ rc = sptlrpc_parse_rule(param, &rule);
+ if (rc)
+ return rc;
+
+ return __sptlrpc_process_config(target, fsname, &rule, NULL);
}
EXPORT_SYMBOL(sptlrpc_process_config);
if (logname2fsname(logname, fsname, sizeof(fsname)))
return;
- cfs_mutex_lock(&sptlrpc_conf_lock);
+ mutex_lock(&sptlrpc_conf_lock);
conf = sptlrpc_conf_get(fsname, 0);
- if (conf && conf->sc_local) {
- LASSERT(conf->sc_updated == 0);
- sptlrpc_conf_free_rsets(conf);
- }
- conf->sc_modified = 0;
+ if (conf) {
+ if (conf->sc_local) {
+ LASSERT(conf->sc_updated == 0);
+ sptlrpc_conf_free_rsets(conf);
+ }
+ conf->sc_modified = 0;
+ }
- cfs_mutex_unlock(&sptlrpc_conf_lock);
+ mutex_unlock(&sptlrpc_conf_lock);
}
EXPORT_SYMBOL(sptlrpc_conf_log_update_begin);
if (logname2fsname(logname, fsname, sizeof(fsname)))
return;
- cfs_mutex_lock(&sptlrpc_conf_lock);
+ mutex_lock(&sptlrpc_conf_lock);
conf = sptlrpc_conf_get(fsname, 0);
if (conf) {
conf->sc_updated = 1;
}
- cfs_mutex_unlock(&sptlrpc_conf_lock);
+ mutex_unlock(&sptlrpc_conf_lock);
}
EXPORT_SYMBOL(sptlrpc_conf_log_update_end);
void sptlrpc_conf_log_start(const char *logname)
{
- struct sptlrpc_conf *conf;
char fsname[16];
if (logname2fsname(logname, fsname, sizeof(fsname)))
return;
- cfs_mutex_lock(&sptlrpc_conf_lock);
- conf = sptlrpc_conf_get(fsname, 1);
- cfs_mutex_unlock(&sptlrpc_conf_lock);
+ mutex_lock(&sptlrpc_conf_lock);
+ sptlrpc_conf_get(fsname, 1);
+ mutex_unlock(&sptlrpc_conf_lock);
}
EXPORT_SYMBOL(sptlrpc_conf_log_start);
if (logname2fsname(logname, fsname, sizeof(fsname)))
return;
- cfs_mutex_lock(&sptlrpc_conf_lock);
+ mutex_lock(&sptlrpc_conf_lock);
conf = sptlrpc_conf_get(fsname, 0);
if (conf)
sptlrpc_conf_free(conf);
- cfs_mutex_unlock(&sptlrpc_conf_lock);
+ mutex_unlock(&sptlrpc_conf_lock);
}
EXPORT_SYMBOL(sptlrpc_conf_log_stop);
if (fl_udesc && sf->sf_rpc != SPTLRPC_FLVR_NULL)
sf->sf_flags |= PTLRPC_SEC_FL_UDESC;
}
+
+ /* Some flavors use a single uid (0) context */
+ if (flvr_is_rootonly(sf->sf_rpc))
+ sf->sf_flags |= PTLRPC_SEC_FL_ROOTONLY;
+
+ /* User descriptor might need to be cleared */
+ if (flvr_allows_user_desc(sf->sf_rpc) == 0)
+ sf->sf_flags &= ~PTLRPC_SEC_FL_UDESC;
}
void sptlrpc_conf_choose_flavor(enum lustre_sec_part from,
char name[MTI_NAME_MAXLEN];
int len, rc = 0;
- target2fsname(target->uuid, name, sizeof(name));
+ obd_uuid2fsname(name, target->uuid, sizeof(name));
- cfs_mutex_lock(&sptlrpc_conf_lock);
+ mutex_lock(&sptlrpc_conf_lock);
conf = sptlrpc_conf_get(name, 0);
if (conf == NULL)
rc = sptlrpc_rule_set_choose(&conf->sc_rset, from, to, nid, sf);
out:
- cfs_mutex_unlock(&sptlrpc_conf_lock);
+ mutex_unlock(&sptlrpc_conf_lock);
if (rc == 0)
get_default_flavor(sf);
if (sptlrpc_rule_set_choose(rset, from, LUSTRE_SP_ANY, nid, sf) == 0)
get_default_flavor(sf);
}
-EXPORT_SYMBOL(sptlrpc_target_choose_flavor);
#define SEC_ADAPT_DELAY (10)
struct obd_import *imp;
ENTRY;
- LASSERT(strcmp(obd->obd_type->typ_name, LUSTRE_MDC_NAME) == 0 ||
- strcmp(obd->obd_type->typ_name, LUSTRE_OSC_NAME) ==0);
- CDEBUG(D_SEC, "obd %s\n", obd->u.cli.cl_target_uuid.uuid);
+ LASSERT(strcmp(obd->obd_type->typ_name, LUSTRE_MDC_NAME) == 0 ||
+ strcmp(obd->obd_type->typ_name, LUSTRE_OSC_NAME) == 0 ||
+ strcmp(obd->obd_type->typ_name, LUSTRE_OSP_NAME) == 0 ||
+ strcmp(obd->obd_type->typ_name, LUSTRE_LWP_NAME) == 0);
+ CDEBUG(D_SEC, "obd %s\n", obd->u.cli.cl_target_uuid.uuid);
- /* serialize with connect/disconnect import */
- cfs_down_read(&obd->u.cli.cl_sem);
+ /* serialize with connect/disconnect import */
+ down_read_nested(&obd->u.cli.cl_sem, OBD_CLI_SEM_MDCOSC);
- imp = obd->u.cli.cl_import;
- if (imp) {
- cfs_spin_lock(&imp->imp_lock);
- if (imp->imp_sec)
- imp->imp_sec_expire = cfs_time_current_sec() +
- SEC_ADAPT_DELAY;
- cfs_spin_unlock(&imp->imp_lock);
- }
+ imp = obd->u.cli.cl_import;
+ if (imp) {
+ write_lock(&imp->imp_sec_lock);
+ if (imp->imp_sec)
+ imp->imp_sec_expire = ktime_get_real_seconds() +
+ SEC_ADAPT_DELAY;
+ write_unlock(&imp->imp_sec_lock);
+ }
- cfs_up_read(&obd->u.cli.cl_sem);
- EXIT;
+ up_read(&obd->u.cli.cl_sem);
+ EXIT;
}
EXPORT_SYMBOL(sptlrpc_conf_client_adapt);
-#ifdef __KERNEL__
-
-static void rule2string(struct sptlrpc_rule *r, char *buf, int buflen)
-{
- char dirbuf[8];
- char *net;
- char *ptr = buf;
-
- if (r->sr_netid == LNET_NIDNET(LNET_NID_ANY))
- net = "default";
- else
- net = libcfs_net2str(r->sr_netid);
-
- if (r->sr_from == LUSTRE_SP_ANY && r->sr_to == LUSTRE_SP_ANY)
- dirbuf[0] = '\0';
- else
- snprintf(dirbuf, sizeof(dirbuf), ".%s2%s",
- sptlrpc_part2name(r->sr_from),
- sptlrpc_part2name(r->sr_to));
-
- ptr += snprintf(buf, buflen, "srpc.flavor.%s%s=", net, dirbuf);
-
- sptlrpc_flavor2name(&r->sr_flvr, ptr, buflen - (ptr - buf));
- buf[buflen - 1] = '\0';
-}
-
-static int sptlrpc_record_rule_set(struct llog_handle *llh,
- char *target,
- struct sptlrpc_rule_set *rset)
-{
- struct lustre_cfg_bufs bufs;
- struct lustre_cfg *lcfg;
- struct llog_rec_hdr rec;
- int buflen;
- char param[48];
- int i, rc;
-
- for (i = 0; i < rset->srs_nrule; i++) {
- rule2string(&rset->srs_rules[i], param, sizeof(param));
-
- lustre_cfg_bufs_reset(&bufs, NULL);
- lustre_cfg_bufs_set_string(&bufs, 1, target);
- lustre_cfg_bufs_set_string(&bufs, 2, param);
- lcfg = lustre_cfg_new(LCFG_SPTLRPC_CONF, &bufs);
- LASSERT(lcfg);
-
- buflen = lustre_cfg_len(lcfg->lcfg_bufcount,
- lcfg->lcfg_buflens);
- rec.lrh_len = llog_data_len(buflen);
- rec.lrh_type = OBD_CFG_REC;
- rc = llog_write_rec(llh, &rec, NULL, 0, (void *)lcfg, -1);
- if (rc)
- CERROR("failed to write a rec: rc = %d\n", rc);
- lustre_cfg_free(lcfg);
- }
- return 0;
-}
-
-static int sptlrpc_record_rules(struct llog_handle *llh,
- struct sptlrpc_conf *conf)
-{
- struct sptlrpc_conf_tgt *conf_tgt;
-
- sptlrpc_record_rule_set(llh, conf->sc_fsname, &conf->sc_rset);
-
- cfs_list_for_each_entry(conf_tgt, &conf->sc_tgts, sct_list) {
- sptlrpc_record_rule_set(llh, conf_tgt->sct_name,
- &conf_tgt->sct_rset);
- }
- return 0;
-}
-
-#define LOG_SPTLRPC_TMP "sptlrpc.tmp"
-#define LOG_SPTLRPC "sptlrpc"
-
-static
-int sptlrpc_target_local_copy_conf(struct obd_device *obd,
- struct sptlrpc_conf *conf)
-{
- struct llog_handle *llh = NULL;
- struct llog_ctxt *ctxt;
- struct lvfs_run_ctxt saved;
- struct dentry *dentry;
- int rc;
- ENTRY;
-
- ctxt = llog_get_context(obd, LLOG_CONFIG_ORIG_CTXT);
- if (ctxt == NULL) {
- CERROR("missing llog context\n");
- RETURN(-EINVAL);
- }
-
- push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
-
- dentry = ll_lookup_one_len(MOUNT_CONFIGS_DIR, cfs_fs_pwd(current->fs),
- strlen(MOUNT_CONFIGS_DIR));
- if (IS_ERR(dentry)) {
- rc = PTR_ERR(dentry);
- CERROR("cannot lookup %s directory: rc = %d\n",
- MOUNT_CONFIGS_DIR, rc);
- GOTO(out_ctx, rc);
- }
-
- /* erase the old tmp log */
- rc = llog_create(ctxt, &llh, NULL, LOG_SPTLRPC_TMP);
- if (rc == 0) {
- rc = llog_init_handle(llh, LLOG_F_IS_PLAIN, NULL);
- if (rc == 0) {
- rc = llog_destroy(llh);
- llog_free_handle(llh);
- } else {
- llog_close(llh);
- }
- }
-
- if (rc) {
- CERROR("target %s: cannot erase temporary sptlrpc log: "
- "rc = %d\n", obd->obd_name, rc);
- GOTO(out_dput, rc);
- }
-
- /* write temporary log */
- rc = llog_create(ctxt, &llh, NULL, LOG_SPTLRPC_TMP);
- if (rc)
- GOTO(out_dput, rc);
- rc = llog_init_handle(llh, LLOG_F_IS_PLAIN, NULL);
- if (rc)
- GOTO(out_close, rc);
-
- rc = sptlrpc_record_rules(llh, conf);
-
-out_close:
- llog_close(llh);
-
- if (rc == 0) {
- rc = lustre_rename(dentry, obd->obd_lvfs_ctxt.pwdmnt,
- LOG_SPTLRPC_TMP, LOG_SPTLRPC);
- }
-
-out_dput:
- l_dput(dentry);
-out_ctx:
- pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
- llog_ctxt_put(ctxt);
- CDEBUG(D_SEC, "target %s: write local sptlrpc conf: rc = %d\n",
- obd->obd_name, rc);
- RETURN(rc);
-}
-
-static int local_read_handler(struct llog_handle *llh,
- struct llog_rec_hdr *rec,
- void *data)
-{
- struct sptlrpc_conf *conf = (struct sptlrpc_conf *) data;
- struct lustre_cfg *lcfg = (struct lustre_cfg *)(rec + 1);
- int cfg_len, rc;
- ENTRY;
-
- if (rec->lrh_type != OBD_CFG_REC) {
- CERROR("unhandled lrh_type: %#x\n", rec->lrh_type);
- RETURN(-EINVAL);
- }
-
- cfg_len = rec->lrh_len - sizeof(struct llog_rec_hdr) -
- sizeof(struct llog_rec_tail);
-
- rc = lustre_cfg_sanity_check(lcfg, cfg_len);
- if (rc) {
- CERROR("Insane cfg\n");
- RETURN(rc);
- }
-
- if (lcfg->lcfg_command != LCFG_SPTLRPC_CONF) {
- CERROR("invalid command (%x)\n", lcfg->lcfg_command);
- RETURN(-EINVAL);
- }
-
- RETURN(__sptlrpc_process_config(lcfg, conf));
-}
-
-static
-int sptlrpc_target_local_read_conf(struct obd_device *obd,
- struct sptlrpc_conf *conf)
-{
- struct llog_handle *llh = NULL;
- struct llog_ctxt *ctxt;
- struct lvfs_run_ctxt saved;
- int rc;
- ENTRY;
-
- LASSERT(conf->sc_updated == 0 && conf->sc_local == 0);
-
- ctxt = llog_get_context(obd, LLOG_CONFIG_ORIG_CTXT);
- if (ctxt == NULL) {
- CERROR("missing llog context\n");
- RETURN(-EINVAL);
- }
-
- push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
-
- rc = llog_create(ctxt, &llh, NULL, LOG_SPTLRPC);
- if (rc)
- GOTO(out_pop, rc);
-
- rc = llog_init_handle(llh, LLOG_F_IS_PLAIN, NULL);
- if (rc)
- GOTO(out_close, rc);
-
- if (llog_get_size(llh) <= 1) {
- CDEBUG(D_SEC, "no local sptlrpc copy found\n");
- GOTO(out_close, rc = 0);
- }
-
- rc = llog_process(llh, local_read_handler, (void *) conf, NULL);
-
- if (rc == 0) {
- conf->sc_local = 1;
- } else {
- sptlrpc_conf_free_rsets(conf);
- }
-
-out_close:
- llog_close(llh);
-out_pop:
- pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
- llog_ctxt_put(ctxt);
- CDEBUG(D_SEC, "target %s: read local sptlrpc conf: rc = %d\n",
- obd->obd_name, rc);
- RETURN(rc);
-}
-
-#endif /* __KRENEL__ */
-
/**
* called by target devices, extract sptlrpc rules which applies to
* this target, to be used for future rpc flavor checking.
*/
int sptlrpc_conf_target_get_rules(struct obd_device *obd,
- struct sptlrpc_rule_set *rset,
- int initial)
-{
- struct sptlrpc_conf *conf;
- struct sptlrpc_conf_tgt *conf_tgt;
- enum lustre_sec_part sp_dst;
- char fsname[MTI_NAME_MAXLEN];
- int rc = 0;
- ENTRY;
-
- if (strcmp(obd->obd_type->typ_name, LUSTRE_MDT_NAME) == 0) {
- sp_dst = LUSTRE_SP_MDT;
- } else if (strcmp(obd->obd_type->typ_name, LUSTRE_OST_NAME) == 0) {
- sp_dst = LUSTRE_SP_OST;
- } else {
- CERROR("unexpected obd type %s\n", obd->obd_type->typ_name);
- RETURN(-EINVAL);
- }
- CDEBUG(D_SEC, "get rules for target %s\n", obd->obd_uuid.uuid);
-
- target2fsname(obd->obd_uuid.uuid, fsname, sizeof(fsname));
-
- cfs_mutex_lock(&sptlrpc_conf_lock);
-
- conf = sptlrpc_conf_get(fsname, 0);
- if (conf == NULL) {
- CERROR("missing sptlrpc config log\n");
- GOTO(out, rc);
- }
-
-#ifdef __KERNEL__
- if (conf->sc_updated == 0) {
- /*
- * always read from local copy. here another option is
- * if we already have a local copy (read from another
- * target device hosted on the same node) we simply use that.
- */
- if (conf->sc_local)
- sptlrpc_conf_free_rsets(conf);
-
- sptlrpc_target_local_read_conf(obd, conf);
- } else {
- LASSERT(conf->sc_local == 0);
-
- /* write a local copy */
- if (initial || conf->sc_modified)
- sptlrpc_target_local_copy_conf(obd, conf);
- else
- CDEBUG(D_SEC, "unchanged, skip updating local copy\n");
- }
-#endif
-
- /* extract rule set for this target */
- conf_tgt = sptlrpc_conf_get_tgt(conf, obd->obd_name, 0);
-
- rc = sptlrpc_rule_set_extract(&conf->sc_rset,
- conf_tgt ? &conf_tgt->sct_rset: NULL,
- LUSTRE_SP_ANY, sp_dst, rset);
-out:
- cfs_mutex_unlock(&sptlrpc_conf_lock);
- RETURN(rc);
+ struct sptlrpc_rule_set *rset)
+{
+ struct sptlrpc_conf *conf;
+ struct sptlrpc_conf_tgt *conf_tgt;
+ enum lustre_sec_part sp_dst;
+ char fsname[MTI_NAME_MAXLEN];
+ int rc = 0;
+ ENTRY;
+
+ if (strcmp(obd->obd_type->typ_name, LUSTRE_MDT_NAME) == 0) {
+ sp_dst = LUSTRE_SP_MDT;
+ } else if (strcmp(obd->obd_type->typ_name, LUSTRE_OST_NAME) == 0) {
+ sp_dst = LUSTRE_SP_OST;
+ } else {
+ CERROR("unexpected obd type %s\n", obd->obd_type->typ_name);
+ RETURN(-EINVAL);
+ }
+
+ obd_uuid2fsname(fsname, obd->obd_uuid.uuid, sizeof(fsname));
+
+ mutex_lock(&sptlrpc_conf_lock);
+ conf = sptlrpc_conf_get(fsname, 0);
+ if (conf == NULL) {
+ CERROR("missing sptlrpc config log\n");
+ rc = -EFAULT;
+ } else {
+ /* extract rule set for this target */
+ conf_tgt = sptlrpc_conf_get_tgt(conf, obd->obd_name, 0);
+
+ rc = sptlrpc_rule_set_extract(&conf->sc_rset,
+ conf_tgt ? &conf_tgt->sct_rset : NULL,
+ LUSTRE_SP_ANY, sp_dst, rset);
+ }
+ mutex_unlock(&sptlrpc_conf_lock);
+
+ RETURN(rc);
}
-EXPORT_SYMBOL(sptlrpc_conf_target_get_rules);
int sptlrpc_conf_init(void)
{
- cfs_mutex_init(&sptlrpc_conf_lock);
- return 0;
+ mutex_init(&sptlrpc_conf_lock);
+ return 0;
}
void sptlrpc_conf_fini(void)
{
- struct sptlrpc_conf *conf, *conf_next;
+ struct sptlrpc_conf *conf, *conf_next;
- cfs_mutex_lock(&sptlrpc_conf_lock);
- cfs_list_for_each_entry_safe(conf, conf_next, &sptlrpc_confs, sc_list) {
- sptlrpc_conf_free(conf);
- }
- LASSERT(cfs_list_empty(&sptlrpc_confs));
- cfs_mutex_unlock(&sptlrpc_conf_lock);
+ mutex_lock(&sptlrpc_conf_lock);
+ list_for_each_entry_safe(conf, conf_next, &sptlrpc_confs, sc_list)
+ sptlrpc_conf_free(conf);
+ LASSERT(list_empty(&sptlrpc_confs));
+ mutex_unlock(&sptlrpc_conf_lock);
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff