diff options
Diffstat (limited to 'fs/gfs2/eaops.c')
| -rw-r--r-- | fs/gfs2/eaops.c | 157 |
1 files changed, 0 insertions, 157 deletions
diff --git a/fs/gfs2/eaops.c b/fs/gfs2/eaops.c deleted file mode 100644 index dee9b03..0000000 --- a/fs/gfs2/eaops.c +++ /dev/null @@ -1,157 +0,0 @@ -/* - * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. - * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved. - * - * This copyrighted material is made available to anyone wishing to use, - * modify, copy, or redistribute it subject to the terms and conditions - * of the GNU General Public License version 2. - */ - -#include <linux/slab.h> -#include <linux/spinlock.h> -#include <linux/completion.h> -#include <linux/buffer_head.h> -#include <linux/capability.h> -#include <linux/xattr.h> -#include <linux/gfs2_ondisk.h> -#include <asm/uaccess.h> - -#include "gfs2.h" -#include "incore.h" -#include "acl.h" -#include "eaops.h" -#include "eattr.h" -#include "util.h" - -/** - * gfs2_ea_name2type - get the type of the ea, and truncate type from the name - * @namep: ea name, possibly with type appended - * - * Returns: GFS2_EATYPE_XXX - */ - -unsigned int gfs2_ea_name2type(const char *name, const char **truncated_name) -{ - unsigned int type; - - if (strncmp(name, "system.", 7) == 0) { - type = GFS2_EATYPE_SYS; - if (truncated_name) - *truncated_name = name + sizeof("system.") - 1; - } else if (strncmp(name, "user.", 5) == 0) { - type = GFS2_EATYPE_USR; - if (truncated_name) - *truncated_name = name + sizeof("user.") - 1; - } else if (strncmp(name, "security.", 9) == 0) { - type = GFS2_EATYPE_SECURITY; - if (truncated_name) - *truncated_name = name + sizeof("security.") - 1; - } else { - type = GFS2_EATYPE_UNUSED; - if (truncated_name) - *truncated_name = NULL; - } - - return type; -} - -static int system_eo_get(struct gfs2_inode *ip, struct gfs2_ea_request *er) -{ - if (!GFS2_ACL_IS_ACCESS(er->er_name, er->er_name_len) && - !GFS2_ACL_IS_DEFAULT(er->er_name, er->er_name_len) && - !capable(CAP_SYS_ADMIN)) - return -EPERM; - - if (GFS2_SB(&ip->i_inode)->sd_args.ar_posix_acl == 0 && - (GFS2_ACL_IS_ACCESS(er->er_name, er->er_name_len) || - GFS2_ACL_IS_DEFAULT(er->er_name, er->er_name_len))) - return -EOPNOTSUPP; - - return gfs2_ea_get_i(ip, er); -} - -static int system_eo_set(struct gfs2_inode *ip, struct gfs2_ea_request *er) -{ - int remove = 0; - int error; - - if (GFS2_ACL_IS_ACCESS(er->er_name, er->er_name_len)) { - if (!(er->er_flags & GFS2_ERF_MODE)) { - er->er_mode = ip->i_inode.i_mode; - er->er_flags |= GFS2_ERF_MODE; - } - error = gfs2_acl_validate_set(ip, 1, er, - &remove, &er->er_mode); - if (error) - return error; - error = gfs2_ea_set_i(ip, er); - if (error) - return error; - if (remove) - gfs2_ea_remove_i(ip, er); - return 0; - - } else if (GFS2_ACL_IS_DEFAULT(er->er_name, er->er_name_len)) { - error = gfs2_acl_validate_set(ip, 0, er, - &remove, NULL); - if (error) - return error; - if (!remove) - error = gfs2_ea_set_i(ip, er); - else { - error = gfs2_ea_remove_i(ip, er); - if (error == -ENODATA) - error = 0; - } - return error; - } - - return -EPERM; -} - -static int system_eo_remove(struct gfs2_inode *ip, struct gfs2_ea_request *er) -{ - if (GFS2_ACL_IS_ACCESS(er->er_name, er->er_name_len)) { - int error = gfs2_acl_validate_remove(ip, 1); - if (error) - return error; - - } else if (GFS2_ACL_IS_DEFAULT(er->er_name, er->er_name_len)) { - int error = gfs2_acl_validate_remove(ip, 0); - if (error) - return error; - - } else - return -EPERM; - - return gfs2_ea_remove_i(ip, er); -} - -static const struct gfs2_eattr_operations gfs2_user_eaops = { - .eo_get = gfs2_ea_get_i, - .eo_set = gfs2_ea_set_i, - .eo_remove = gfs2_ea_remove_i, - .eo_name = "user", -}; - -const struct gfs2_eattr_operations gfs2_system_eaops = { - .eo_get = system_eo_get, - .eo_set = system_eo_set, - .eo_remove = system_eo_remove, - .eo_name = "system", -}; - -static const struct gfs2_eattr_operations gfs2_security_eaops = { - .eo_get = gfs2_ea_get_i, - .eo_set = gfs2_ea_set_i, - .eo_remove = gfs2_ea_remove_i, - .eo_name = "security", -}; - -const struct gfs2_eattr_operations *gfs2_ea_ops[] = { - NULL, - &gfs2_user_eaops, - &gfs2_system_eaops, - &gfs2_security_eaops, -}; - |