*/
/*
* Copyright (C) 2013, Trustees of Indiana University
+ *
+ * Copyright (c) 2014, 2017, Intel Corporation.
+ *
* Author: Joshua Walgenbach <jjw@iu.edu>
*/
#include <interval_tree.h>
#include "nodemap_internal.h"
-/* Turn on proc debug interface to allow OSS and
- * MDS nodes to configure nodemap independently of
- * MGS (since the nodemap distribution is not written
- * yet */
-#define NODEMAP_PROC_DEBUG 1
+static LIST_HEAD(nodemap_pde_list);
/**
* Reads and prints the idmap for the given nodemap.
*/
static int nodemap_idmap_show(struct seq_file *m, void *data)
{
- struct lu_nodemap *nodemap = m->private;
+ struct lu_nodemap *nodemap;
struct lu_idmap *idmap;
struct rb_node *node;
bool cont = 0;
+ int rc;
+
+ mutex_lock(&active_config_lock);
+ nodemap = nodemap_lookup(m->private);
+ mutex_unlock(&active_config_lock);
+ if (IS_ERR(nodemap)) {
+ rc = PTR_ERR(nodemap);
+ CERROR("cannot find nodemap '%s': rc = %d\n",
+ (char *)m->private, rc);
+ return rc;
+ }
seq_printf(m, "[\n");
- read_lock(&nodemap->nm_idmap_lock);
+ down_read(&nodemap->nm_idmap_lock);
for (node = rb_first(&nodemap->nm_client_to_fs_uidmap); node;
node = rb_next(node)) {
if (cont)
"fs_id: %u }", idmap->id_client,
idmap->id_fs);
}
- read_unlock(&nodemap->nm_idmap_lock);
+ up_read(&nodemap->nm_idmap_lock);
seq_printf(m, "\n");
seq_printf(m, "]\n");
+ nodemap_putref(nodemap);
return 0;
}
*/
static int nodemap_idmap_open(struct inode *inode, struct file *file)
{
- struct lu_nodemap *nodemap = PDE_DATA(inode);
-
- return single_open(file, nodemap_idmap_show, nodemap);
+ return single_open(file, nodemap_idmap_show, PDE_DATA(inode));
}
/**
*/
static int nodemap_ranges_show(struct seq_file *m, void *data)
{
- struct lu_nodemap *nodemap = m->private;
+ struct lu_nodemap *nodemap;
struct lu_nid_range *range;
struct interval_node_extent ext;
+ char start_nidstr[LNET_NIDSTR_SIZE];
+ char end_nidstr[LNET_NIDSTR_SIZE];
bool cont = false;
+ int rc;
+
+ mutex_lock(&active_config_lock);
+ nodemap = nodemap_lookup(m->private);
+ if (IS_ERR(nodemap)) {
+ mutex_unlock(&active_config_lock);
+ rc = PTR_ERR(nodemap);
+ CERROR("cannot find nodemap '%s': rc = %d\n",
+ (char *)m->private, rc);
+ return rc;
+ }
seq_printf(m, "[\n");
- read_lock(&nm_range_tree_lock);
+ down_read(&active_config->nmc_range_tree_lock);
list_for_each_entry(range, &nodemap->nm_ranges, rn_list) {
if (cont)
seq_printf(m, ",\n");
cont = 1;
ext = range->rn_node.in_extent;
- seq_printf(m, " { id: %u, start_nid: %s, "
- "end_nid: %s }",
- range->rn_id, libcfs_nid2str(ext.start),
- libcfs_nid2str(ext.end));
+ libcfs_nid2str_r(ext.start, start_nidstr, sizeof(start_nidstr));
+ libcfs_nid2str_r(ext.end, end_nidstr, sizeof(end_nidstr));
+ seq_printf(m, " { id: %u, start_nid: %s, end_nid: %s }",
+ range->rn_id, start_nidstr, end_nidstr);
}
- read_unlock(&nm_range_tree_lock);
+ up_read(&active_config->nmc_range_tree_lock);
+ mutex_unlock(&active_config_lock);
seq_printf(m, "\n");
seq_printf(m, "]\n");
+ nodemap_putref(nodemap);
return 0;
}
*/
static int nodemap_ranges_open(struct inode *inode, struct file *file)
{
- struct lu_nodemap *nodemap = PDE_DATA(inode);
-
- return single_open(file, nodemap_ranges_show, nodemap);
+ return single_open(file, nodemap_ranges_show, PDE_DATA(inode));
}
/**
- * Hash callback, reads and prints the exports attached to this nodemap.
+ * Reads and prints the fileset for the given nodemap.
*
- * \param hs nodemap member hash
- * \param bd unused
- * \param hnode current member in hash
- * \param data seq_file to print to
+ * \param m seq file in proc fs
+ * \param data unused
* \retval 0 success
*/
-static int nodemap_exports_show_cb(cfs_hash_t *hs, cfs_hash_bd_t *bd,
- struct hlist_node *hnode, void *data)
+static int nodemap_fileset_seq_show(struct seq_file *m, void *data)
{
- struct seq_file *m = data;
- struct obd_export *exp;
- char *key;
+ struct lu_nodemap *nodemap;
+ int rc = 0;
- exp = hlist_entry(hnode, struct obd_export,
- exp_target_data.ted_nodemap_member);
- key = cfs_hash_key(hs, hnode);
- seq_printf(m, " { nid: %s, uuid: %s },",
- obd_export_nid2str(exp), exp->exp_client_uuid.uuid);
+ mutex_lock(&active_config_lock);
+ nodemap = nodemap_lookup(m->private);
+ mutex_unlock(&active_config_lock);
+ if (IS_ERR(nodemap)) {
+ rc = PTR_ERR(nodemap);
+ CERROR("cannot find nodemap '%s': rc = %d\n",
+ (char *)m->private, rc);
+ return rc;
+ }
- return 0;
+ seq_printf(m, "%s\n", nodemap->nm_fileset);
+ nodemap_putref(nodemap);
+ return rc;
}
/**
- * Reads and prints the exports attached to the given nodemap via hash
- * foreach callback.
+ * Set a fileset on a nodemap.
+ *
+ * \param[in] file proc file
+ * \param[in] buffer string, "<fileset>"
+ * \param[in] count \a buffer length
+ * \param[in] off unused
+ * \retval \a count on success
+ * \retval negative number on error
+ */
+static ssize_t
+nodemap_fileset_seq_write(struct file *file,
+ const char __user *buffer,
+ size_t count, loff_t *off)
+{
+ struct seq_file *m = file->private_data;
+ char *nm_fileset;
+ int rc = 0;
+ ENTRY;
+
+ if (count == 0)
+ RETURN(0);
+
+ if (count > PATH_MAX)
+ RETURN(-EINVAL);
+
+ OBD_ALLOC(nm_fileset, count + 1);
+ /* OBD_ALLOC zero-fills the buffer */
+ if (nm_fileset == NULL)
+ RETURN(-ENOMEM);
+
+ if (copy_from_user(nm_fileset, buffer, count))
+ GOTO(out, rc = -EFAULT);
+
+ rc = nodemap_set_fileset(m->private, nm_fileset);
+ if (rc != 0)
+ GOTO(out, rc = -EINVAL);
+
+ rc = count;
+out:
+ OBD_FREE(nm_fileset, count + 1);
+
+ return rc;
+}
+LPROC_SEQ_FOPS(nodemap_fileset);
+
+/**
+ * Reads and prints the SELinux policy info for the given nodemap.
*
* \param m seq file in proc fs
* \param data unused
* \retval 0 success
*/
+static int nodemap_sepol_seq_show(struct seq_file *m, void *data)
+{
+ struct lu_nodemap *nodemap;
+ int rc = 0;
+
+ mutex_lock(&active_config_lock);
+ nodemap = nodemap_lookup(m->private);
+ mutex_unlock(&active_config_lock);
+ if (IS_ERR(nodemap)) {
+ rc = PTR_ERR(nodemap);
+ CERROR("cannot find nodemap '%s': rc = %d\n",
+ (char *)m->private, rc);
+ return rc;
+ }
+
+ seq_printf(m, "%s\n", nodemap_get_sepol(nodemap));
+ nodemap_putref(nodemap);
+ return rc;
+}
+
+/**
+ * Set SELinux policy info on a nodemap.
+ *
+ * \param[in] file proc file
+ * \param[in] buffer string, "<sepol>"
+ * \param[in] count \a buffer length
+ * \param[in] off unused
+ * \retval \a count on success
+ * \retval negative number on error
+ */
+static ssize_t
+nodemap_sepol_seq_write(struct file *file,
+ const char __user *buffer,
+ size_t count, loff_t *off)
+{
+ struct seq_file *m = file->private_data;
+ char sepol[LUSTRE_NODEMAP_SEPOL_LENGTH + 1];
+ int rc = 0;
+
+ BUILD_BUG_ON(sizeof(sepol) !=
+ sizeof(((struct lu_nodemap *)0)->nm_sepol));
+
+ if (count > 0) {
+ if (count >= sizeof(sepol))
+ GOTO(out, rc = -ENAMETOOLONG);
+
+ if (copy_from_user(sepol, buffer, count))
+ GOTO(out, rc = -EFAULT);
+
+ sepol[count] = '\0';
+
+ rc = nodemap_set_sepol(m->private, sepol);
+ }
+
+out:
+ if (rc != 0)
+ return rc;
+
+ return count;
+}
+LPROC_SEQ_FOPS(nodemap_sepol);
+
+/**
+ * Reads and prints the exports attached to the given nodemap.
+ *
+ * \param m seq file in proc fs, stores nodemap
+ * \param data unused
+ * \retval 0 success
+ */
static int nodemap_exports_show(struct seq_file *m, void *data)
{
- struct lu_nodemap *nodemap = m->private;
+ struct lu_nodemap *nodemap;
+ struct obd_export *exp;
+ char nidstr[LNET_NIDSTR_SIZE] = "<unknown>";
+ int rc;
+
+ mutex_lock(&active_config_lock);
+ nodemap = nodemap_lookup(m->private);
+ mutex_unlock(&active_config_lock);
+ if (IS_ERR(nodemap)) {
+ rc = PTR_ERR(nodemap);
+ CERROR("cannot find nodemap '%s': rc = %d\n",
+ (char *)m->private, rc);
+ return rc;
+ }
seq_printf(m, "[\n");
- cfs_hash_for_each(nodemap->nm_member_hash, nodemap_exports_show_cb, m);
+ mutex_lock(&nodemap->nm_member_list_lock);
+ list_for_each_entry(exp, &nodemap->nm_member_list,
+ exp_target_data.ted_nodemap_member) {
+ if (exp->exp_connection != NULL)
+ libcfs_nid2str_r(exp->exp_connection->c_peer.nid,
+ nidstr, sizeof(nidstr));
+
+ seq_printf(m, " { nid: %s, uuid: %s },",
+ nidstr, exp->exp_client_uuid.uuid);
+ }
+ mutex_unlock(&nodemap->nm_member_list_lock);
seq_printf(m, "\n");
seq_printf(m, "]\n");
+ nodemap_putref(nodemap);
return 0;
}
*/
static int nodemap_exports_open(struct inode *inode, struct file *file)
{
- struct lu_nodemap *nodemap = PDE_DATA(inode);
-
- return single_open(file, nodemap_exports_show, nodemap);
+ return single_open(file, nodemap_exports_show, PDE_DATA(inode));
}
/**
*/
static int nodemap_active_seq_show(struct seq_file *m, void *data)
{
- return seq_printf(m, "%u\n", (unsigned int)nodemap_active);
+ seq_printf(m, "%u\n", (unsigned int)nodemap_active);
+ return 0;
}
/**
if (rc != 0)
return -EINVAL;
- nodemap_active = active;
+ nodemap_activate(active);
return count;
}
*/
static int nodemap_id_seq_show(struct seq_file *m, void *data)
{
- struct lu_nodemap *nodemap = m->private;
+ struct lu_nodemap *nodemap;
+
+ mutex_lock(&active_config_lock);
+ nodemap = nodemap_lookup(m->private);
+ mutex_unlock(&active_config_lock);
+ if (IS_ERR(nodemap)) {
+ int rc = PTR_ERR(nodemap);
+ CERROR("cannot find nodemap '%s': rc = %d\n",
+ (char *)m->private, rc);
+ return rc;
+ }
- return seq_printf(m, "%u\n", nodemap->nm_id);
+ seq_printf(m, "%u\n", nodemap->nm_id);
+ nodemap_putref(nodemap);
+ return 0;
}
LPROC_SEQ_FOPS_RO(nodemap_id);
*/
static int nodemap_squash_uid_seq_show(struct seq_file *m, void *data)
{
- struct lu_nodemap *nodemap = m->private;
+ struct lu_nodemap *nodemap;
+
+ mutex_lock(&active_config_lock);
+ nodemap = nodemap_lookup(m->private);
+ mutex_unlock(&active_config_lock);
+ if (IS_ERR(nodemap)) {
+ int rc = PTR_ERR(nodemap);
+ CERROR("cannot find nodemap '%s': rc = %d\n",
+ (char *)m->private, rc);
+ return rc;
+ }
- return seq_printf(m, "%u\n", nodemap->nm_squash_uid);
+ seq_printf(m, "%u\n", nodemap->nm_squash_uid);
+ nodemap_putref(nodemap);
+ return 0;
}
/**
*/
static int nodemap_squash_gid_seq_show(struct seq_file *m, void *data)
{
- struct lu_nodemap *nodemap = m->private;
+ struct lu_nodemap *nodemap;
+
+ mutex_lock(&active_config_lock);
+ nodemap = nodemap_lookup(m->private);
+ mutex_unlock(&active_config_lock);
+ if (IS_ERR(nodemap)) {
+ int rc = PTR_ERR(nodemap);
+ CERROR("cannot find nodemap '%s': rc = %d\n",
+ (char *)m->private, rc);
+ return rc;
+ }
- return seq_printf(m, "%u\n", nodemap->nm_squash_gid);
+ seq_printf(m, "%u\n", nodemap->nm_squash_gid);
+ nodemap_putref(nodemap);
+ return 0;
}
/**
*/
static int nodemap_trusted_seq_show(struct seq_file *m, void *data)
{
- struct lu_nodemap *nodemap = m->private;
+ struct lu_nodemap *nodemap;
- return seq_printf(m, "%d\n", (int)nodemap->nmf_trust_client_ids);
+ mutex_lock(&active_config_lock);
+ nodemap = nodemap_lookup(m->private);
+ mutex_unlock(&active_config_lock);
+ if (IS_ERR(nodemap)) {
+ int rc = PTR_ERR(nodemap);
+
+ CERROR("cannot find nodemap '%s': rc = %d\n",
+ (char *)m->private, rc);
+ return rc;
+ }
+
+ seq_printf(m, "%d\n", (int)nodemap->nmf_trust_client_ids);
+ nodemap_putref(nodemap);
+ return 0;
}
/**
*/
static int nodemap_admin_seq_show(struct seq_file *m, void *data)
{
- struct lu_nodemap *nodemap = m->private;
-
- return seq_printf(m, "%d\n", (int)nodemap->nmf_allow_root_access);
-}
-
-#ifdef NODEMAP_PROC_DEBUG
-/**
- * Helper functions to set nodemap flags.
- *
- * \param[in] buffer string, which is "1" or "0" to set/unset flag
- * \param[in] count \a buffer length
- * \param[out] flag_p where to store flag value
- * \retval \a count on success
- * \retval negative number on error
- */
-static int nodemap_proc_read_flag(const char __user *buffer,
- unsigned long count, unsigned int *flag_p)
-{
- char scratch[NODEMAP_LPROC_FLAG_LEN + 1];
- long unsigned int flag_buf;
- int rc;
-
- if (count == 0)
- return 0;
-
- if (count >= sizeof(scratch))
- return -EINVAL;
-
- if (copy_from_user(scratch, buffer, count))
- return -EFAULT;
-
- scratch[count] = '\0';
- rc = kstrtoul(scratch, 10, &flag_buf);
- if (rc != 0)
- return -EINVAL;
-
- *flag_p = flag_buf;
-
- return count;
-}
-
-/**
- * Set the squash UID.
- *
- * \param[in] file proc file
- * \param[in] buffer string representing squash UID to set
- * \param[in] count \a buffer length
- * \param[in] off unused
- * \retval \a count on success
- * \retval negative number on error
- */
-static ssize_t
-nodemap_squash_uid_seq_write(struct file *file, const char __user *buffer,
- size_t count, loff_t *off)
-{
- char squash[NODEMAP_LPROC_ID_LEN + 1];
- struct seq_file *m = file->private_data;
- struct lu_nodemap *nodemap = m->private;
- long unsigned int squash_uid;
- int rc;
-
- if (count == 0)
- return 0;
-
- if (count >= sizeof(squash))
- return -EINVAL;
-
- if (copy_from_user(squash, buffer, count))
- return -EFAULT;
-
- squash[count] = '\0';
- rc = kstrtoul(squash, 10, &squash_uid);
- if (rc != 0)
- return -EINVAL;
-
- nodemap->nm_squash_uid = squash_uid;
-
- return count;
-}
-
-/**
- * Set the squash GID.
- *
- * \param[in] file proc file
- * \param[in] buffer string representing squash GID to set
- * \param[in] count \a buffer length
- * \param[in] off unused
- * \retval \a count on success
- * \retval negative number on error
- */
-static ssize_t
-nodemap_squash_gid_seq_write(struct file *file, const char __user *buffer,
- size_t count, loff_t *off)
-{
- char squash[NODEMAP_LPROC_ID_LEN + 1];
- struct seq_file *m = file->private_data;
- struct lu_nodemap *nodemap = m->private;
- long unsigned int squash_gid;
- int rc;
-
- if (count == 0)
- return 0;
-
- if (count >= sizeof(squash))
- return -EINVAL;
-
- if (copy_from_user(squash, buffer, count))
- return -EFAULT;
-
- squash[count] = '\0';
- rc = kstrtoul(squash, 10, &squash_gid);
- if (rc != 0)
- return -EINVAL;
-
- nodemap->nm_squash_gid = squash_gid;
-
- return count;
-}
-
-/**
- * Set/unset the trusted flag.
- *
- * \param[in] file proc file
- * \param[in] buffer string, "1" or "0"
- * \param[in] count \a buffer length
- * \param[in] off unused
- * \retval \a count on success
- * \retval negative number on error
- */
-static ssize_t
-nodemap_trusted_seq_write(struct file *file, const char __user *buffer,
- size_t count, loff_t *off)
-{
- struct seq_file *m = file->private_data;
- struct lu_nodemap *nodemap = m->private;
- int flags;
- int rc;
-
- rc = nodemap_proc_read_flag(buffer, count, &flags);
- if (rc >= 0) {
- nodemap->nmf_trust_client_ids = !!flags;
- nm_member_revoke_locks(nodemap);
+ struct lu_nodemap *nodemap;
+ int rc;
+
+ mutex_lock(&active_config_lock);
+ nodemap = nodemap_lookup(m->private);
+ mutex_unlock(&active_config_lock);
+ if (IS_ERR(nodemap)) {
+ rc = PTR_ERR(nodemap);
+ CERROR("cannot find nodemap '%s': rc = %d\n",
+ (char *)m->private, rc);
+ return rc;
}
- return rc;
+ seq_printf(m, "%d\n", (int)nodemap->nmf_allow_root_access);
+ nodemap_putref(nodemap);
+ return 0;
}
/**
- * Set/unset the admin flag.
+ * Reads and prints the mapping mode for the given nodemap.
*
- * \param[in] file proc file
- * \param[in] buffer string, "1" or "0"
- * \param[in] count \a buffer length
- * \param[in] off unused
- * \retval \a count on success
- * \retval negative number on error
+ * \param m seq file in proc fs
+ * \param data unused
+ * \retval 0 success
*/
-static ssize_t
-nodemap_admin_seq_write(struct file *file, const char __user *buffer,
- size_t count, loff_t *off)
+static int nodemap_map_mode_seq_show(struct seq_file *m, void *data)
{
- struct seq_file *m = file->private_data;
- struct lu_nodemap *nodemap = m->private;
- int flags;
- int rc;
-
- rc = nodemap_proc_read_flag(buffer, count, &flags);
- if (rc >= 0) {
- nodemap->nmf_allow_root_access = !!flags;
- nm_member_revoke_locks(nodemap);
+ struct lu_nodemap *nodemap;
+ int rc;
+
+ mutex_lock(&active_config_lock);
+ nodemap = nodemap_lookup(m->private);
+ mutex_unlock(&active_config_lock);
+ if (IS_ERR(nodemap)) {
+ rc = PTR_ERR(nodemap);
+ CERROR("cannot find nodemap '%s': rc = %d\n",
+ (char *)m->private, rc);
+ return rc;
}
- return rc;
-}
-
-/**
- * Add a nodemap.
- *
- * \param[in] file proc file
- * \param[in] buffer string, name of the nodemap to add
- * \param[in] count \a buffer length
- * \param[in] off unused
- * \retval \a count on success
- * \retval negative number on error
- */
-static ssize_t
-lprocfs_add_nodemap_seq_write(struct file *file, const char __user *buffer,
- size_t count, loff_t *off)
-{
- char nodemap_name[LUSTRE_NODEMAP_NAME_LENGTH + 1];
- char *cpybuf = NULL;
- char *pos;
- int rc;
-
- if (count == 0)
- return 0;
-
- if (count >= sizeof(nodemap_name))
- return -EINVAL;
-
- if (copy_from_user(nodemap_name, buffer, count))
- return -EFAULT;
-
- nodemap_name[count] = '\0';
-
- cpybuf = nodemap_name;
- pos = strsep(&cpybuf, " \n");
- if (pos == NULL)
- return -EINVAL;
-
- rc = nodemap_add(nodemap_name);
- if (rc == 0)
- rc = count;
-
- return rc;
-}
-LPROC_SEQ_FOPS_WO_TYPE(nodemap, add_nodemap);
-
-/**
- * Delete a nodemap.
- *
- * \param[in] file proc file
- * \param[in] buffer string, name of the nodemap to delete
- * \param[in] count \a buffer length
- * \param[in] off unused
- * \retval \a count on success
- * \retval negative number on error
- */
-static ssize_t
-lprocfs_del_nodemap_seq_write(struct file *file, const char __user *buffer,
- size_t count, loff_t *off)
-{
- char nodemap_name[LUSTRE_NODEMAP_NAME_LENGTH + 1];
- char *cpybuf = NULL;
- char *pos;
- int rc = count;
-
- if (count == 0)
- return 0;
-
- if (count >= sizeof(nodemap_name))
- return -EINVAL;
-
- if (copy_from_user(nodemap_name, buffer, count))
- return -EFAULT;
-
- nodemap_name[count] = '\0';
-
- cpybuf = nodemap_name;
- pos = strsep(&cpybuf, " \n");
- if (pos == NULL)
- return -EINVAL;
-
- rc = nodemap_del(nodemap_name);
- if (rc == 0)
- rc = count;
-
- return rc;
-
-}
-LPROC_SEQ_FOPS_WO_TYPE(nodemap, del_nodemap);
-
-/**
- * Helper function to parse a NID string.
- *
- * \param[in] rangestr string representation of NIDs, see libcfs_str2nid()
- * \param[out] nids array of two nids
- * \retval 0 on success
- * \retval negative number on error
- */
-static int parse_nids(char *rangestr, lnet_nid_t nids[2])
-{
- struct list_head nidlist;
- char nidstr[2][LNET_NIDSTR_SIZE];
- char nidrange_str[2 * LNET_NIDSTR_SIZE + 2];
- int rc = 0;
-
- INIT_LIST_HEAD(&nidlist);
-
- if (cfs_parse_nidlist(rangestr, strlen(rangestr),
- &nidlist) <= 0)
- return -EINVAL;
-
- if (!cfs_nidrange_is_contiguous(&nidlist))
- return -EINVAL;
-
- cfs_nidrange_find_min_max(&nidlist, nidstr[0], nidstr[1],
- LNET_NIDSTR_SIZE);
- snprintf(nidrange_str, sizeof(nidrange_str), "%s:%s",
- nidstr[0], nidstr[1]);
-
- rc = nodemap_parse_range(nidrange_str, nids);
- if (rc != 0)
- return -EINVAL;
-
- cfs_free_nidlist(&nidlist);
+ if (nodemap->nmf_map_uid_only)
+ seq_printf(m, "uid_only\n");
+ else if (nodemap->nmf_map_gid_only)
+ seq_printf(m, "gid_only\n");
+ else
+ seq_printf(m, "both\n");
+ nodemap_putref(nodemap);
return 0;
}
/**
- * Add a NID range to nodemap.
+ * Reads and prints the deny_unknown flag for the given nodemap.
*
- * \param[in] file proc file
- * \param[in] buffer string, "<nodemap name> <nid range>"
- * \param[in] count \a buffer length
- * \param[in] off unused
- * \retval \a count on success
- * \retval negative number on error
- */
-static ssize_t
-lprocfs_add_nodemap_range_seq_write(struct file *file,
- const char __user *buffer,
- size_t count, loff_t *off)
-{
- char name_range[LUSTRE_NODEMAP_NAME_LENGTH +
- LNET_NIDSTR_SIZE * 2 + 2];
- char *cpybuf = NULL;
- char *name;
- char *rangestr = NULL;
- lnet_nid_t nids[2];
- int rc;
-
- if (count == 0)
- return 0;
-
- if (count >= sizeof(name_range))
- GOTO(out, rc = -EINVAL);
-
- if (copy_from_user(name_range, buffer, count))
- GOTO(out, rc = -EFAULT);
-
- name_range[count] = '\0';
-
- cpybuf = name_range;
- name = strsep(&cpybuf, " ");
- if (name == NULL)
- GOTO(out, rc = -EINVAL);
-
- rangestr = strsep(&cpybuf, " \n");
- if (rangestr == NULL)
- GOTO(out, rc = -EINVAL);
-
- rc = parse_nids(rangestr, nids);
- if (rc != 0)
- GOTO(out, rc = rc);
-
- rc = nodemap_add_range(name, nids);
- if (rc != 0)
- GOTO(out, rc = -EINVAL);
-
- if (rc == 0)
- rc = count;
-
-out:
- return rc;
-}
-LPROC_SEQ_FOPS_WO_TYPE(nodemap, add_nodemap_range);
-
-/**
- * Delete a NID range from nodemap.
- *
- * \param[in] file proc file
- * \param[in] buffer string, "<nodemap name> <nid range>"
- * \param[in] count \a buffer length
- * \param[in] off unused
- * \retval \a count on success
- * \retval negative number on error
+ * \param m seq file in proc fs
+ * \param data unused
+ * \retval 0 success
*/
-static ssize_t
-lprocfs_del_nodemap_range_seq_write(struct file *file,
- const char __user *buffer,
- size_t count, loff_t *off)
+static int nodemap_deny_unknown_seq_show(struct seq_file *m, void *data)
{
- char name_range[LUSTRE_NODEMAP_NAME_LENGTH +
- LNET_NIDSTR_SIZE * 2 + 2];
- char *cpybuf = NULL;
- char *name;
- char *rangestr = NULL;
- lnet_nid_t nids[2];
- int rc;
-
- if (count == 0)
- return 0;
-
- if (count >= sizeof(name_range))
- GOTO(out, rc = -EINVAL);
-
- if (copy_from_user(name_range, buffer, count))
- GOTO(out, rc = -EFAULT);
-
- name_range[count] = '\0';
-
- cpybuf = name_range;
- name = strsep(&cpybuf, " ");
- if (name == NULL)
- GOTO(out, rc = -EINVAL);
-
- rangestr = strsep(&cpybuf, " \n");
- if (rangestr == NULL)
- GOTO(out, rc = -EINVAL);
-
- rc = parse_nids(rangestr, nids);
- if (rc != 0)
- GOTO(out, rc = rc);
-
- rc = nodemap_del_range(name, nids);
- if (rc != 0)
- GOTO(out, rc = -EINVAL);
-
- if (rc == 0)
- rc = count;
-
-out:
- return rc;
-}
-LPROC_SEQ_FOPS_WO_TYPE(nodemap, del_nodemap_range);
-
-/**
- * Add an idmap to nodemap.
- *
- * \param[in] file proc file
- * \param[in] buffer string, "<nodemap name> <uid|gid> <idmap>"
- * \param[in] count \a buffer length
- * \param[in] off unused
- * \retval \a count on success
- * \retval negative number on error
- */
-static ssize_t
-lprocfs_add_nodemap_idmap_seq_write(struct file *file,
- const char __user *buffer,
- size_t count, loff_t *off)
-{
- char name_idmapstr[LUSTRE_NODEMAP_NAME_LENGTH + 16];
- char *cpybuf = NULL;
- char *name;
- char *idtypestr = NULL;
- char *idmapstr = NULL;
- __u32 idmap[2];
- int rc = count;
-
- if (count == 0)
- return 0;
-
- if (count >= sizeof(name_idmapstr))
- GOTO(out, rc = -EINVAL);
-
- if (copy_from_user(name_idmapstr, buffer, count))
- GOTO(out, rc = -EFAULT);
-
- name_idmapstr[count] = '\0';
-
- cpybuf = name_idmapstr;
- name = strsep(&cpybuf, " ");
- if (name == NULL)
- GOTO(out, rc = -EINVAL);
-
- idtypestr = strsep(&cpybuf, " ");
- if (idtypestr == NULL)
- GOTO(out, rc = -EINVAL);
-
- idmapstr = strsep(&cpybuf, " \n");
- if (idmapstr == NULL)
- GOTO(out, rc = -EINVAL);
-
- rc = nodemap_parse_idmap(idmapstr, idmap);
- if (rc != 0)
- GOTO(out, rc = -EINVAL);
-
- if (strcmp(idtypestr, "uid") == 0)
- rc = nodemap_add_idmap(name, NODEMAP_UID, idmap);
- else if (strcmp(idtypestr, "gid") == 0)
- rc = nodemap_add_idmap(name, NODEMAP_GID, idmap);
- else
- GOTO(out, rc = -EINVAL);
-
- if (rc != 0)
- GOTO(out, rc = -EINVAL);
-
- if (rc == 0)
- rc = count;
+ struct lu_nodemap *nodemap;
+ int rc;
+
+ mutex_lock(&active_config_lock);
+ nodemap = nodemap_lookup(m->private);
+ mutex_unlock(&active_config_lock);
+ if (IS_ERR(nodemap)) {
+ rc = PTR_ERR(nodemap);
+ CERROR("cannot find nodemap '%s': rc = %d\n",
+ (char *)m->private, rc);
+ return rc;
+ }
-out:
- return rc;
+ seq_printf(m, "%d\n", (int)nodemap->nmf_deny_unknown);
+ nodemap_putref(nodemap);
+ return 0;
}
-LPROC_SEQ_FOPS_WO_TYPE(nodemap, add_nodemap_idmap);
/**
- * Delete an idmap from nodemap.
+ * Reads and prints the audit_mode flag for the given nodemap.
*
- * \param[in] file proc file
- * \param[in] buffer string, "<nodemap name> <uid|gid> <idmap>"
- * \param[in] count \a buffer length
- * \param[in] off unused
- * \retval \a count on success
- * \retval negative number on error
+ * \param m seq file in proc fs
+ * \param data unused
+ * \retval 0 success
*/
-static ssize_t
-lprocfs_del_nodemap_idmap_seq_write(struct file *file,
- const char __user *buffer,
- size_t count, loff_t *off)
+static int nodemap_audit_mode_seq_show(struct seq_file *m, void *data)
{
- char name_idmapstr[LUSTRE_NODEMAP_NAME_LENGTH + 16];
- char *cpybuf = NULL;
- char *name;
- char *idtypestr = NULL;
- char *idmapstr = NULL;
- __u32 idmap[2];
- int rc = count;
-
- if (count == 0)
- return 0;
-
- if (count >= sizeof(name_idmapstr))
- GOTO(out, rc = -EINVAL);
-
- if (copy_from_user(name_idmapstr, buffer, count))
- GOTO(out, rc = -EFAULT);
-
- name_idmapstr[count] = '\0';
-
- cpybuf = name_idmapstr;
- name = strsep(&cpybuf, " ");
- if (name == NULL)
- GOTO(out, rc = -EINVAL);
-
- idtypestr = strsep(&cpybuf, " ");
- if (idtypestr == NULL)
- GOTO(out, rc = -EINVAL);
-
- idmapstr = strsep(&cpybuf, " \n");
- if (idmapstr == NULL)
- GOTO(out, rc = -EINVAL);
-
- rc = nodemap_parse_idmap(idmapstr, idmap);
- if (rc != 0)
- GOTO(out, rc = -EINVAL);
-
- if (strcmp(idtypestr, "uid") == 0)
- rc = nodemap_del_idmap(name, NODEMAP_UID, idmap);
- else if (strcmp(idtypestr, "gid") == 0)
- rc = nodemap_del_idmap(name, NODEMAP_GID, idmap);
- else
- GOTO(out, rc = -EINVAL);
-
- if (rc != 0)
- GOTO(out, rc = -EINVAL);
-
- if (rc == 0)
- rc = count;
+ struct lu_nodemap *nodemap;
+ int rc;
+
+ mutex_lock(&active_config_lock);
+ nodemap = nodemap_lookup(m->private);
+ mutex_unlock(&active_config_lock);
+ if (IS_ERR(nodemap)) {
+ rc = PTR_ERR(nodemap);
+ CERROR("cannot find nodemap '%s': rc = %d\n",
+ (char *)m->private, rc);
+ return rc;
+ }
-out:
- return rc;
+ seq_printf(m, "%d\n", (int)nodemap->nmf_enable_audit);
+ nodemap_putref(nodemap);
+ return 0;
}
-LPROC_SEQ_FOPS_WO_TYPE(nodemap, del_nodemap_idmap);
-#endif /* NODEMAP_PROC_DEBUG */
static struct lprocfs_vars lprocfs_nm_module_vars[] = {
{
.name = "active",
.fops = &nodemap_active_fops,
},
-#ifdef NODEMAP_PROC_DEBUG
- {
- .name = "add_nodemap",
- .fops = &nodemap_add_nodemap_fops,
- },
- {
- .name = "remove_nodemap",
- .fops = &nodemap_del_nodemap_fops,
- },
- {
- .name = "add_nodemap_range",
- .fops = &nodemap_add_nodemap_range_fops,
- },
- {
- .name = "del_nodemap_range",
- .fops = &nodemap_del_nodemap_range_fops,
- },
- {
- .name = "add_nodemap_idmap",
- .fops = &nodemap_add_nodemap_idmap_fops,
- },
- {
- .name = "del_nodemap_idmap",
- .fops = &nodemap_del_nodemap_idmap_fops,
- },
-#endif /* NODEMAP_PROC_DEBUG */
{
NULL
}
};
-#ifdef NODEMAP_PROC_DEBUG
-LPROC_SEQ_FOPS(nodemap_trusted);
-LPROC_SEQ_FOPS(nodemap_admin);
-LPROC_SEQ_FOPS(nodemap_squash_uid);
-LPROC_SEQ_FOPS(nodemap_squash_gid);
-#else
LPROC_SEQ_FOPS_RO(nodemap_trusted);
LPROC_SEQ_FOPS_RO(nodemap_admin);
LPROC_SEQ_FOPS_RO(nodemap_squash_uid);
LPROC_SEQ_FOPS_RO(nodemap_squash_gid);
-#endif
+
+LPROC_SEQ_FOPS_RO(nodemap_deny_unknown);
+LPROC_SEQ_FOPS_RO(nodemap_map_mode);
+LPROC_SEQ_FOPS_RO(nodemap_audit_mode);
const struct file_operations nodemap_ranges_fops = {
.open = nodemap_ranges_open,
.fops = &nodemap_admin_fops,
},
{
+ .name = "deny_unknown",
+ .fops = &nodemap_deny_unknown_fops,
+ },
+ {
+ .name = "map_mode",
+ .fops = &nodemap_map_mode_fops,
+ },
+ {
+ .name = "audit_mode",
+ .fops = &nodemap_audit_mode_fops,
+ },
+ {
.name = "squash_uid",
.fops = &nodemap_squash_uid_fops,
},
.fops = &nodemap_ranges_fops,
},
{
+ .name = "fileset",
+ .fops = &nodemap_fileset_fops,
+ },
+ {
+ .name = "sepol",
+ .fops = &nodemap_sepol_fops,
+ },
+ {
.name = "exports",
.fops = &nodemap_exports_fops,
},
.fops = &nodemap_admin_fops,
},
{
+ .name = "deny_unknown",
+ .fops = &nodemap_deny_unknown_fops,
+ },
+ {
.name = "squash_uid",
.fops = &nodemap_squash_uid_fops,
},
.fops = &nodemap_squash_gid_fops,
},
{
+ .name = "fileset",
+ .fops = &nodemap_fileset_fops,
+ },
+ {
.name = "exports",
.fops = &nodemap_exports_fops,
},
{
+ .name = "audit_mode",
+ .fops = &nodemap_audit_mode_fops,
+ },
+ {
NULL
}
};
proc_lustre_root,
lprocfs_nm_module_vars,
NULL);
-
if (IS_ERR(proc_lustre_nodemap_root)) {
rc = PTR_ERR(proc_lustre_nodemap_root);
CERROR("cannot create 'nodemap' directory: rc = %d\n",
rc);
proc_lustre_nodemap_root = NULL;
}
-
return rc;
}
/**
+ * Cleanup nodemap proc entry data structures.
+ */
+void nodemap_procfs_exit(void)
+{
+ struct nodemap_pde *nm_pde;
+ struct nodemap_pde *tmp;
+
+ lprocfs_remove(&proc_lustre_nodemap_root);
+ list_for_each_entry_safe(nm_pde, tmp, &nodemap_pde_list,
+ npe_list_member) {
+ list_del(&nm_pde->npe_list_member);
+ OBD_FREE_PTR(nm_pde);
+ }
+}
+
+/**
+ * Remove a nodemap's procfs entry and related data.
+ */
+void lprocfs_nodemap_remove(struct nodemap_pde *nm_pde)
+{
+ lprocfs_remove(&nm_pde->npe_proc_entry);
+ list_del(&nm_pde->npe_list_member);
+ OBD_FREE_PTR(nm_pde);
+}
+
+/**
* Register the proc directory for a nodemap
*
- * \param name name of nodemap
+ * \param nodemap nodemap to make the proc dir for
* \param is_default: 1 if default nodemap
* \retval 0 success
*/
-int lprocfs_nodemap_register(const char *name,
- bool is_default,
- struct lu_nodemap *nodemap)
+int lprocfs_nodemap_register(struct lu_nodemap *nodemap, bool is_default)
{
- struct proc_dir_entry *nodemap_proc_entry;
- struct lprocfs_vars *vars;
- int rc = 0;
-
- if (is_default)
- vars = lprocfs_default_nodemap_vars;
+ struct nodemap_pde *nm_entry;
+ int rc = 0;
+
+ OBD_ALLOC_PTR(nm_entry);
+ if (nm_entry == NULL)
+ GOTO(out, rc = -ENOMEM);
+
+ nm_entry->npe_proc_entry = proc_mkdir(nodemap->nm_name,
+ proc_lustre_nodemap_root);
+ if (IS_ERR(nm_entry->npe_proc_entry))
+ GOTO(out, rc = PTR_ERR(nm_entry->npe_proc_entry));
+
+ snprintf(nm_entry->npe_name, sizeof(nm_entry->npe_name), "%s",
+ nodemap->nm_name);
+
+ /* Use the nodemap name as stored on the PDE as the private data. This
+ * is so a nodemap struct can be replaced without updating the proc
+ * entries.
+ */
+ rc = lprocfs_add_vars(nm_entry->npe_proc_entry,
+ (is_default ? lprocfs_default_nodemap_vars :
+ lprocfs_nodemap_vars),
+ nm_entry->npe_name);
+ if (rc != 0)
+ lprocfs_remove(&nm_entry->npe_proc_entry);
else
- vars = lprocfs_nodemap_vars;
-
- nodemap_proc_entry = lprocfs_register(name, proc_lustre_nodemap_root,
- vars, nodemap);
- if (IS_ERR(nodemap_proc_entry)) {
- rc = PTR_ERR(nodemap_proc_entry);
- CERROR("cannot create 'nodemap/%s': rc = %d\n", name, rc);
- nodemap_proc_entry = NULL;
+ list_add(&nm_entry->npe_list_member, &nodemap_pde_list);
+
+out:
+ if (rc != 0) {
+ CERROR("cannot create 'nodemap/%s': rc = %d\n",
+ nodemap->nm_name, rc);
+ if (nm_entry != NULL) {
+ OBD_FREE_PTR(nm_entry);
+ nm_entry = NULL;
+ }
}
- nodemap->nm_proc_entry = nodemap_proc_entry;
+ nodemap->nm_pde_data = nm_entry;
return rc;
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff