return 0;
}
-#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;
- 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;
-
- rc = nodemap_set_squash_uid(m->private, squash_uid);
- if (rc != 0)
- return rc;
-
- 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;
- 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;
-
- rc = nodemap_set_squash_gid(m->private, squash_gid);
- if (rc != 0)
- return rc;
-
- 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;
- int flags;
- int rc;
-
- rc = nodemap_proc_read_flag(buffer, count, &flags);
- if (rc < 0)
- return rc;
-
- rc = nodemap_set_trust_client_ids(m->private, flags);
- if (rc != 0)
- return rc;
-
- return count;
-}
-
-/**
- * Set/unset the admin 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_admin_seq_write(struct file *file, const char __user *buffer,
- size_t count, loff_t *off)
-{
- struct seq_file *m = file->private_data;
- int flags;
- int rc;
-
- rc = nodemap_proc_read_flag(buffer, count, &flags);
- if (rc < 0)
- return rc;
-
- rc = nodemap_set_allow_root(m->private, flags);
- if (rc != 0)
- return rc;
-
- return count;
-}
-
-/**
- * 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_WR_ONLY(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_WR_ONLY(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;
-
- rc = cfs_nidrange_find_min_max(&nidlist, nidstr[0], nidstr[1],
- LNET_NIDSTR_SIZE);
- if (rc < 0)
- return rc;
-
- 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);
-
- return 0;
-}
-
-/**
- * Add a NID range to 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_WR_ONLY(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
- */
-static ssize_t
-lprocfs_del_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_del_range(name, nids);
- if (rc != 0)
- GOTO(out, rc = -EINVAL);
-
- if (rc == 0)
- rc = count;
-
-out:
- return rc;
-}
-LPROC_SEQ_FOPS_WR_ONLY(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;
-
-out:
- return rc;
-}
-LPROC_SEQ_FOPS_WR_ONLY(nodemap, add_nodemap_idmap);
-
-/**
- * Delete an idmap from 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_del_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_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;
-
-out:
- return rc;
-}
-LPROC_SEQ_FOPS_WR_ONLY(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);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff