32 xattr_permission(struct inode *inode, const char *name, int mask)  in xattr_permission()  argument
47 	if (!strncmp(name, XATTR_SECURITY_PREFIX, XATTR_SECURITY_PREFIX_LEN) ||  in xattr_permission()
48 	    !strncmp(name, XATTR_SYSTEM_PREFIX, XATTR_SYSTEM_PREFIX_LEN))  in xattr_permission()
54 	if (!strncmp(name, XATTR_TRUSTED_PREFIX, XATTR_TRUSTED_PREFIX_LEN)) {  in xattr_permission()
65 	if (!strncmp(name, XATTR_USER_PREFIX, XATTR_USER_PREFIX_LEN)) {  in xattr_permission()
92 int __vfs_setxattr_noperm(struct dentry *dentry, const char *name,  in __vfs_setxattr_noperm()  argument
97 	int issec = !strncmp(name, XATTR_SECURITY_PREFIX,  in __vfs_setxattr_noperm()
103 		error = inode->i_op->setxattr(dentry, name, value, size, flags);  in __vfs_setxattr_noperm()
106 			security_inode_post_setxattr(dentry, name, value,  in __vfs_setxattr_noperm()
110 		const char *suffix = name + XATTR_SECURITY_PREFIX_LEN;  in __vfs_setxattr_noperm()
122 vfs_setxattr(struct dentry *dentry, const char *name, const void *value,  in vfs_setxattr()  argument
128 	error = xattr_permission(inode, name, MAY_WRITE);  in vfs_setxattr()
133 	error = security_inode_setxattr(dentry, name, value, size, flags);  in vfs_setxattr()
137 	error = __vfs_setxattr_noperm(dentry, name, value, size, flags);  in vfs_setxattr()
146 xattr_getsecurity(struct inode *inode, const char *name, void *value,  in xattr_getsecurity()  argument
153 		len = security_inode_getsecurity(inode, name, &buffer, false);  in xattr_getsecurity()
157 	len = security_inode_getsecurity(inode, name, &buffer, true);  in xattr_getsecurity()
181 vfs_getxattr_alloc(struct dentry *dentry, const char *name, char **xattr_value,  in vfs_getxattr_alloc()  argument
188 	error = xattr_permission(inode, name, MAY_READ);  in vfs_getxattr_alloc()
195 	error = inode->i_op->getxattr(dentry, name, NULL, 0);  in vfs_getxattr_alloc()
206 	error = inode->i_op->getxattr(dentry, name, value, error);  in vfs_getxattr_alloc()
231 vfs_getxattr(struct dentry *dentry, const char *name, void *value, size_t size)  in vfs_getxattr()  argument
236 	error = xattr_permission(inode, name, MAY_READ);  in vfs_getxattr()
240 	error = security_inode_getxattr(dentry, name);  in vfs_getxattr()
244 	if (!strncmp(name, XATTR_SECURITY_PREFIX,  in vfs_getxattr()
246 		const char *suffix = name + XATTR_SECURITY_PREFIX_LEN;  in vfs_getxattr()
258 		error = inode->i_op->getxattr(dentry, name, value, size);  in vfs_getxattr()
287 vfs_removexattr(struct dentry *dentry, const char *name)  in vfs_removexattr()  argument
295 	error = xattr_permission(inode, name, MAY_WRITE);  in vfs_removexattr()
300 	error = security_inode_removexattr(dentry, name);  in vfs_removexattr()
304 	error = inode->i_op->removexattr(dentry, name);  in vfs_removexattr()
308 		evm_inode_post_removexattr(dentry, name);  in vfs_removexattr()
322 setxattr(struct dentry *d, const char __user *name, const void __user *value,  in setxattr()  argument
333 	error = strncpy_from_user(kname, name, sizeof(kname));  in setxattr()
368 			 const char __user *name, const void __user *value,  in path_setxattr()  argument
379 		error = setxattr(path.dentry, name, value, size, flags);  in path_setxattr()
391 		const char __user *, name, const void __user *, value,  in SYSCALL_DEFINE5()
394 	return path_setxattr(pathname, name, value, size, flags, LOOKUP_FOLLOW);  in SYSCALL_DEFINE5()
398 		const char __user *, name, const void __user *, value,  in SYSCALL_DEFINE5()
401 	return path_setxattr(pathname, name, value, size, flags, 0);  in SYSCALL_DEFINE5()
404 SYSCALL_DEFINE5(fsetxattr, int, fd, const char __user *, name,  in SYSCALL_DEFINE5()  argument
415 		error = setxattr(f.file->f_path.dentry, name, value, size, flags);  in SYSCALL_DEFINE5()
426 getxattr(struct dentry *d, const char __user *name, void __user *value,  in getxattr()  argument
434 	error = strncpy_from_user(kname, name, sizeof(kname));  in getxattr()
472 			     const char __user *name, void __user *value,  in path_getxattr()  argument
481 	error = getxattr(path.dentry, name, value, size);  in path_getxattr()
491 		const char __user *, name, void __user *, value, size_t, size)  in SYSCALL_DEFINE4()
493 	return path_getxattr(pathname, name, value, size, LOOKUP_FOLLOW);  in SYSCALL_DEFINE4()
497 		const char __user *, name, void __user *, value, size_t, size)  in SYSCALL_DEFINE4()
499 	return path_getxattr(pathname, name, value, size, 0);  in SYSCALL_DEFINE4()
502 SYSCALL_DEFINE4(fgetxattr, int, fd, const char __user *, name,  in SYSCALL_DEFINE4()  argument
511 	error = getxattr(f.file->f_path.dentry, name, value, size);  in SYSCALL_DEFINE4()
601 removexattr(struct dentry *d, const char __user *name)  in removexattr()  argument
606 	error = strncpy_from_user(kname, name, sizeof(kname));  in removexattr()
616 			    const char __user *name, unsigned int lookup_flags)  in path_removexattr()  argument
626 		error = removexattr(path.dentry, name);  in path_removexattr()
638 		const char __user *, name)  in SYSCALL_DEFINE2()
640 	return path_removexattr(pathname, name, LOOKUP_FOLLOW);  in SYSCALL_DEFINE2()
644 		const char __user *, name)  in SYSCALL_DEFINE2()
646 	return path_removexattr(pathname, name, 0);  in SYSCALL_DEFINE2()
649 SYSCALL_DEFINE2(fremovexattr, int, fd, const char __user *, name)  in SYSCALL_DEFINE2()  argument
659 		error = removexattr(f.file->f_path.dentry, name);  in SYSCALL_DEFINE2()
695 xattr_resolve_name(const struct xattr_handler **handlers, const char **name)  in xattr_resolve_name()  argument
699 	if (!*name)  in xattr_resolve_name()
703 		const char *n = strcmp_prefix(*name, handler->prefix);  in xattr_resolve_name()
705 			*name = n;  in xattr_resolve_name()
716 generic_getxattr(struct dentry *dentry, const char *name, void *buffer, size_t size)  in generic_getxattr()  argument
720 	handler = xattr_resolve_name(dentry->d_sb->s_xattr, &name);  in generic_getxattr()
723 	return handler->get(handler, dentry, name, buffer, size);  in generic_getxattr()
761 generic_setxattr(struct dentry *dentry, const char *name, const void *value, size_t size, int flags)  in generic_setxattr()  argument
767 	handler = xattr_resolve_name(dentry->d_sb->s_xattr, &name);  in generic_setxattr()
770 	return handler->set(handler, dentry, name, value, size, flags);  in generic_setxattr()
778 generic_removexattr(struct dentry *dentry, const char *name)  in generic_removexattr()  argument
782 	handler = xattr_resolve_name(dentry->d_sb->s_xattr, &name);  in generic_removexattr()
785 	return handler->set(handler, dentry, name, NULL, 0, XATTR_REPLACE);  in generic_removexattr()
809 			    const char *name)  in xattr_full_name()  argument
813 	return name - prefix_len;  in xattr_full_name()
842 int simple_xattr_get(struct simple_xattrs *xattrs, const char *name,  in simple_xattr_get()  argument
850 		if (strcmp(name, xattr->name))  in simple_xattr_get()
866 static int __simple_xattr_set(struct simple_xattrs *xattrs, const char *name,  in __simple_xattr_set()  argument
879 		new_xattr->name = kstrdup(name, GFP_KERNEL);  in __simple_xattr_set()
880 		if (!new_xattr->name) {  in __simple_xattr_set()
888 		if (!strcmp(name, xattr->name)) {  in __simple_xattr_set()
910 		kfree(xattr->name);  in __simple_xattr_set()
931 int simple_xattr_set(struct simple_xattrs *xattrs, const char *name,  in simple_xattr_set()  argument
936 	return __simple_xattr_set(xattrs, name, value, size, flags);  in simple_xattr_set()
942 int simple_xattr_remove(struct simple_xattrs *xattrs, const char *name)  in simple_xattr_remove()  argument
944 	return __simple_xattr_set(xattrs, name, NULL, 0, XATTR_REPLACE);  in simple_xattr_remove()
947 static bool xattr_is_trusted(const char *name)  in xattr_is_trusted()  argument
949 	return !strncmp(name, XATTR_TRUSTED_PREFIX, XATTR_TRUSTED_PREFIX_LEN);  in xattr_is_trusted()
967 		if (!trusted && xattr_is_trusted(xattr->name))  in simple_xattr_list()
970 		len = strlen(xattr->name) + 1;  in simple_xattr_list()
977 			memcpy(buffer, xattr->name, len);  in simple_xattr_list()