X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Fptlrpc%2Fsec_lproc.c;h=41ef7e019d7ffb341e5684f4875ca15502165fa4;hb=82b8cb5528f489e9ceb7a1899722fc4108e85739;hp=e602a63d3be18259a62e5036b024eba884ece6fa;hpb=0ad4f8a4227ed7dd93fec99d33c6bb25056473fc;p=fs%2Flustre-release.git

diff --git a/lustre/ptlrpc/sec_lproc.c b/lustre/ptlrpc/sec_lproc.c
index e602a63..41ef7e0 100644
--- a/lustre/ptlrpc/sec_lproc.c
+++ b/lustre/ptlrpc/sec_lproc.c
@@ -15,17 +15,15 @@
  *
  * 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) 2014, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
@@ -51,11 +49,7 @@
 
 #include "ptlrpc_internal.h"
 
-
-struct proc_dir_entry *sptlrpc_proc_root = NULL;
-EXPORT_SYMBOL(sptlrpc_proc_root);
-
-char *sec_flags2str(unsigned long flags, char *buf, int bufsize)
+static char *sec_flags2str(unsigned long flags, char *buf, int bufsize)
 {
 	buf[0] = '\0';
 
@@ -75,14 +69,16 @@ char *sec_flags2str(unsigned long flags, char *buf, int bufsize)
 
 static int sptlrpc_info_lprocfs_seq_show(struct seq_file *seq, void *v)
 {
-        struct obd_device *dev = seq->private;
-        struct client_obd *cli = &dev->u.cli;
-        struct ptlrpc_sec *sec = NULL;
-        char               str[32];
+	struct obd_device *obd = seq->private;
+	struct client_obd *cli = &obd->u.cli;
+	struct ptlrpc_sec *sec = NULL;
+	char               str[32];
 
-        LASSERT(strcmp(dev->obd_type->typ_name, LUSTRE_OSC_NAME) == 0 ||
-                strcmp(dev->obd_type->typ_name, LUSTRE_MDC_NAME) == 0 ||
-                strcmp(dev->obd_type->typ_name, LUSTRE_MGC_NAME) == 0);
+	LASSERT(strcmp(obd->obd_type->typ_name, LUSTRE_OSC_NAME) == 0 ||
+		strcmp(obd->obd_type->typ_name, LUSTRE_MDC_NAME) == 0 ||
+		strcmp(obd->obd_type->typ_name, LUSTRE_MGC_NAME) == 0 ||
+		strcmp(obd->obd_type->typ_name, LUSTRE_LWP_NAME) == 0 ||
+		strcmp(obd->obd_type->typ_name, LUSTRE_OSP_NAME) == 0);
 
         if (cli->cl_import)
                 sec = sptlrpc_import_sec_ref(cli->cl_import);
@@ -101,26 +97,29 @@ static int sptlrpc_info_lprocfs_seq_show(struct seq_file *seq, void *v)
 	seq_printf(seq, "refcount:	%d\n",
 		   atomic_read(&sec->ps_refcount));
 	seq_printf(seq, "nctx:	%d\n", atomic_read(&sec->ps_nctx));
-	seq_printf(seq, "gc internal	%ld\n", sec->ps_gc_interval);
-	seq_printf(seq, "gc next	%ld\n",
+	seq_printf(seq, "gc internal	%lld\n", sec->ps_gc_interval);
+	seq_printf(seq, "gc next	%lld\n",
 		   sec->ps_gc_interval ?
-		   sec->ps_gc_next - cfs_time_current_sec() : 0);
+		   (s64)(sec->ps_gc_next - ktime_get_real_seconds()) : 0ll);
 
 	sptlrpc_sec_put(sec);
 out:
         return 0;
 }
+
 LPROC_SEQ_FOPS_RO(sptlrpc_info_lprocfs);
 
 static int sptlrpc_ctxs_lprocfs_seq_show(struct seq_file *seq, void *v)
 {
-        struct obd_device *dev = seq->private;
-        struct client_obd *cli = &dev->u.cli;
-        struct ptlrpc_sec *sec = NULL;
+	struct obd_device *obd = seq->private;
+	struct client_obd *cli = &obd->u.cli;
+	struct ptlrpc_sec *sec = NULL;
 
-        LASSERT(strcmp(dev->obd_type->typ_name, LUSTRE_OSC_NAME) == 0 ||
-                strcmp(dev->obd_type->typ_name, LUSTRE_MDC_NAME) == 0 ||
-                strcmp(dev->obd_type->typ_name, LUSTRE_MGC_NAME) == 0);
+	LASSERT(strcmp(obd->obd_type->typ_name, LUSTRE_OSC_NAME) == 0 ||
+		strcmp(obd->obd_type->typ_name, LUSTRE_MDC_NAME) == 0 ||
+		strcmp(obd->obd_type->typ_name, LUSTRE_MGC_NAME) == 0 ||
+		strcmp(obd->obd_type->typ_name, LUSTRE_LWP_NAME) == 0 ||
+		strcmp(obd->obd_type->typ_name, LUSTRE_OSP_NAME) == 0);
 
         if (cli->cl_import)
                 sec = sptlrpc_import_sec_ref(cli->cl_import);
@@ -134,68 +133,250 @@ static int sptlrpc_ctxs_lprocfs_seq_show(struct seq_file *seq, void *v)
 out:
         return 0;
 }
+
 LPROC_SEQ_FOPS_RO(sptlrpc_ctxs_lprocfs);
 
-int sptlrpc_lprocfs_cliobd_attach(struct obd_device *dev)
+#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 16, 53, 0)
+static ssize_t sepol_seq_write_old(struct obd_device *obd,
+				   const char __user *buffer,
+				   size_t count)
 {
-        int     rc;
-
-        if (strcmp(dev->obd_type->typ_name, LUSTRE_OSC_NAME) != 0 &&
-            strcmp(dev->obd_type->typ_name, LUSTRE_MDC_NAME) != 0 &&
-            strcmp(dev->obd_type->typ_name, LUSTRE_MGC_NAME) != 0) {
-                CERROR("can't register lproc for obd type %s\n",
-                       dev->obd_type->typ_name);
-                return -EINVAL;
-        }
-
-        rc = lprocfs_obd_seq_create(dev, "srpc_info", 0444,
-                                    &sptlrpc_info_lprocfs_fops, dev);
-        if (rc) {
-                CERROR("create proc entry srpc_info for %s: %d\n",
-                       dev->obd_name, rc);
-                return rc;
-        }
-
-        rc = lprocfs_obd_seq_create(dev, "srpc_contexts", 0444,
-                                    &sptlrpc_ctxs_lprocfs_fops, dev);
-        if (rc) {
-                CERROR("create proc entry srpc_contexts for %s: %d\n",
-                       dev->obd_name, rc);
-                return rc;
-        }
+	struct client_obd *cli = &obd->u.cli;
+	struct obd_import *imp = cli->cl_import;
+	struct sepol_downcall_data_old *param;
+	int size = sizeof(*param);
+	__u16 len;
+	int rc = 0;
 
-        return 0;
+	if (count < size) {
+		rc = -EINVAL;
+		CERROR("%s: invalid data count = %lu, size = %d: rc = %d\n",
+		       obd->obd_name, (unsigned long) count, size, rc);
+		return rc;
+	}
+
+	OBD_ALLOC(param, size);
+	if (param == NULL)
+		return -ENOMEM;
+
+	if (copy_from_user(param, buffer, size)) {
+		rc = -EFAULT;
+		CERROR("%s: bad sepol data: rc = %d\n", obd->obd_name, rc);
+		GOTO(out, rc);
+	}
+
+	if (param->sdd_magic != SEPOL_DOWNCALL_MAGIC_OLD) {
+		rc = -EINVAL;
+		CERROR("%s: sepol downcall bad params: rc = %d\n",
+		       obd->obd_name, rc);
+		GOTO(out, rc);
+	}
+
+	if (param->sdd_sepol_len == 0 ||
+	    param->sdd_sepol_len >= sizeof(imp->imp_sec->ps_sepol)) {
+		rc = -EINVAL;
+		CERROR("%s: invalid sepol data returned: rc = %d\n",
+		       obd->obd_name, rc);
+		GOTO(out, rc);
+	}
+	len = param->sdd_sepol_len; /* save sdd_sepol_len */
+	OBD_FREE(param, size);
+	size = offsetof(struct sepol_downcall_data_old,
+			sdd_sepol[len]);
+
+	if (count < size) {
+		rc = -EINVAL;
+		CERROR("%s: invalid sepol count = %lu, size = %d: rc = %d\n",
+		       obd->obd_name, (unsigned long) count, size, rc);
+		return rc;
+	}
+
+	/* alloc again with real size */
+	OBD_ALLOC(param, size);
+	if (param == NULL)
+		return -ENOMEM;
+
+	if (copy_from_user(param, buffer, size)) {
+		rc = -EFAULT;
+		CERROR("%s: cannot copy sepol data: rc = %d\n",
+		       obd->obd_name, rc);
+		GOTO(out, rc);
+	}
+
+	spin_lock(&imp->imp_sec->ps_lock);
+	snprintf(imp->imp_sec->ps_sepol, param->sdd_sepol_len + 1, "%s",
+		 param->sdd_sepol);
+	imp->imp_sec->ps_sepol_mtime = ktime_set(param->sdd_sepol_mtime, 0);
+	spin_unlock(&imp->imp_sec->ps_lock);
+
+out:
+	if (param != NULL)
+		OBD_FREE(param, size);
+
+	return rc ? rc : count;
+}
+#endif
+
+static ssize_t
+lprocfs_sptlrpc_sepol_seq_write(struct file *file, const char __user *buffer,
+				size_t count, void *data)
+{
+	struct seq_file	*seq = file->private_data;
+	struct obd_device *obd = seq->private;
+	struct client_obd *cli = &obd->u.cli;
+	struct obd_import *imp = cli->cl_import;
+	struct sepol_downcall_data *param;
+	__u32 magic;
+	int size = sizeof(magic);
+	__u16 len;
+	int rc = 0;
+
+	if (count < size) {
+		rc = -EINVAL;
+		CERROR("%s: invalid buffer count = %lu, size = %d: rc = %d\n",
+		       obd->obd_name, (unsigned long) count, size, rc);
+		return rc;
+	}
+
+	if (copy_from_user(&magic, buffer, size)) {
+		rc = -EFAULT;
+		CERROR("%s: bad sepol magic: rc = %d\n", obd->obd_name, rc);
+		return rc;
+	}
+
+	if (magic != SEPOL_DOWNCALL_MAGIC) {
+#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 16, 53, 0)
+		if (magic == SEPOL_DOWNCALL_MAGIC_OLD) {
+			return sepol_seq_write_old(obd, buffer, count);
+		}
+#endif
+		rc = -EINVAL;
+		CERROR("%s: sepol downcall bad magic '%#08x': rc = %d\n",
+		       obd->obd_name, magic, rc);
+		return rc;
+	}
+
+	size = sizeof(*param);
+	if (count < size) {
+		rc = -EINVAL;
+		CERROR("%s: invalid data count = %lu, size = %d: rc = %d\n",
+		       obd->obd_name, (unsigned long) count, size, rc);
+		return rc;
+	}
+
+	OBD_ALLOC(param, size);
+	if (param == NULL)
+		return -ENOMEM;
+
+	if (copy_from_user(param, buffer, size)) {
+		rc = -EFAULT;
+		CERROR("%s: bad sepol data: rc = %d\n", obd->obd_name, rc);
+		GOTO(out, rc);
+	}
+
+	if (param->sdd_sepol_len == 0 ||
+	    param->sdd_sepol_len >= sizeof(imp->imp_sec->ps_sepol)) {
+		rc = -EINVAL;
+		CERROR("%s: invalid sepol data returned: rc = %d\n",
+		       obd->obd_name, rc);
+		GOTO(out, rc);
+	}
+	len = param->sdd_sepol_len; /* save sdd_sepol_len */
+	OBD_FREE(param, size);
+	size = offsetof(struct sepol_downcall_data,
+			sdd_sepol[len]);
+
+	/* alloc again with real size */
+	OBD_ALLOC(param, size);
+	if (param == NULL)
+		return -ENOMEM;
+
+	if (copy_from_user(param, buffer, size)) {
+		rc = -EFAULT;
+		CERROR("%s: cannot copy sepol data: rc = %d\n",
+		       obd->obd_name, rc);
+		GOTO(out, rc);
+	}
+
+	spin_lock(&imp->imp_sec->ps_lock);
+	snprintf(imp->imp_sec->ps_sepol, param->sdd_sepol_len + 1, "%s",
+		 param->sdd_sepol);
+	imp->imp_sec->ps_sepol_mtime = ktime_set(param->sdd_sepol_mtime, 0);
+	spin_unlock(&imp->imp_sec->ps_lock);
+
+out:
+	if (param != NULL)
+		OBD_FREE(param, size);
+
+	return rc ? rc : count;
+}
+LPROC_SEQ_FOPS_WR_ONLY(srpc, sptlrpc_sepol);
+
+int sptlrpc_lprocfs_cliobd_attach(struct obd_device *obd)
+{
+	if (strcmp(obd->obd_type->typ_name, LUSTRE_OSC_NAME) != 0 &&
+	    strcmp(obd->obd_type->typ_name, LUSTRE_MDC_NAME) != 0 &&
+	    strcmp(obd->obd_type->typ_name, LUSTRE_MGC_NAME) != 0 &&
+	    strcmp(obd->obd_type->typ_name, LUSTRE_LWP_NAME) != 0 &&
+	    strcmp(obd->obd_type->typ_name, LUSTRE_OSP_NAME) != 0) {
+		CERROR("can't register lproc for obd type %s\n",
+		       obd->obd_type->typ_name);
+		return -EINVAL;
+	}
+
+	debugfs_create_file("srpc_info", 0444, obd->obd_debugfs_entry, obd,
+			    &sptlrpc_info_lprocfs_fops);
+
+	debugfs_create_file("srpc_contexts", 0444, obd->obd_debugfs_entry, obd,
+			    &sptlrpc_ctxs_lprocfs_fops);
+
+	debugfs_create_file("srpc_sepol", 0200, obd->obd_debugfs_entry, obd,
+			    &srpc_sptlrpc_sepol_fops);
+
+	return 0;
 }
 EXPORT_SYMBOL(sptlrpc_lprocfs_cliobd_attach);
 
-LPROC_SEQ_FOPS_RO(sptlrpc_proc_enc_pool);
+LDEBUGFS_SEQ_FOPS_RO(sptlrpc_proc_enc_pool);
+
 static struct lprocfs_vars sptlrpc_lprocfs_vars[] = {
 	{ .name	=	"encrypt_page_pools",
 	  .fops	=	&sptlrpc_proc_enc_pool_fops	},
 	{ NULL }
 };
 
+struct dentry *sptlrpc_debugfs_dir;
+EXPORT_SYMBOL(sptlrpc_debugfs_dir);
+
+struct proc_dir_entry *sptlrpc_lprocfs_dir;
+EXPORT_SYMBOL(sptlrpc_lprocfs_dir);
+
 int sptlrpc_lproc_init(void)
 {
 	int rc;
 
-	LASSERT(sptlrpc_proc_root == NULL);
+	LASSERT(sptlrpc_debugfs_dir == NULL);
 
-	sptlrpc_proc_root = lprocfs_register("sptlrpc", proc_lustre_root,
-					     sptlrpc_lprocfs_vars, NULL);
-	if (IS_ERR(sptlrpc_proc_root)) {
-		rc = PTR_ERR(sptlrpc_proc_root);
-		sptlrpc_proc_root = NULL;
-		return rc;
+	sptlrpc_debugfs_dir = debugfs_create_dir("sptlrpc",
+						 debugfs_lustre_root);
+	ldebugfs_add_vars(sptlrpc_debugfs_dir, sptlrpc_lprocfs_vars, NULL);
+
+	sptlrpc_lprocfs_dir = lprocfs_register("sptlrpc", proc_lustre_root,
+					       NULL, NULL);
+	if (IS_ERR_OR_NULL(sptlrpc_lprocfs_dir)) {
+		rc = PTR_ERR(sptlrpc_lprocfs_dir);
+		rc = sptlrpc_lprocfs_dir ? PTR_ERR(sptlrpc_lprocfs_dir)
+			: -ENOMEM;
+		sptlrpc_lprocfs_dir = NULL;
 	}
 	return 0;
 }
 
 void sptlrpc_lproc_fini(void)
 {
-        if (sptlrpc_proc_root) {
-                lprocfs_remove(&sptlrpc_proc_root);
-                sptlrpc_proc_root = NULL;
-        }
-}
+	debugfs_remove_recursive(sptlrpc_debugfs_dir);
+	sptlrpc_debugfs_dir = NULL;
 
+	if (!IS_ERR_OR_NULL(sptlrpc_lprocfs_dir))
+		lprocfs_remove(&sptlrpc_lprocfs_dir);
+}