86 static int mmap_violation_check(enum ima_hooks func, struct file *file,  in mmap_violation_check()  argument
93 	if ((func == MMAP_CHECK) && mapping_writably_mapped(file->f_mapping)) {  in mmap_violation_check()
95 		inode = file_inode(file);  in mmap_violation_check()
98 			*pathname = ima_d_path(&file->f_path, pathbuf,  in mmap_violation_check()
116 static void ima_rdwr_violation_check(struct file *file,  in ima_rdwr_violation_check()  argument
123 	struct inode *inode = file_inode(file);  in ima_rdwr_violation_check()
124 	fmode_t mode = file->f_mode;  in ima_rdwr_violation_check()
146 	*pathname = ima_d_path(&file->f_path, pathbuf, filename);  in ima_rdwr_violation_check()
149 		ima_add_violation(file, *pathname, iint,  in ima_rdwr_violation_check()
152 		ima_add_violation(file, *pathname, iint,  in ima_rdwr_violation_check()
157 				  struct inode *inode, struct file *file)  in ima_check_last_writer()  argument
159 	fmode_t mode = file->f_mode;  in ima_check_last_writer()
175 				ima_update_xattr(iint, file);  in ima_check_last_writer()
187 void ima_file_free(struct file *file)  in ima_file_free()  argument
189 	struct inode *inode = file_inode(file);  in ima_file_free()
199 	ima_check_last_writer(iint, inode, file);  in ima_file_free()
202 static int process_measurement(struct file *file, const struct cred *cred,  in process_measurement()  argument
206 	struct inode *backing_inode, *inode = file_inode(file);  in process_measurement()
228 	action = ima_get_action(file_mnt_user_ns(file), inode, cred, secid,  in process_measurement()
251 		ima_rdwr_violation_check(file, iint, action & IMA_MEASURE,  in process_measurement()
283 	backing_inode = d_real_inode(file_dentry(file));  in process_measurement()
310 		xattr_len = ima_read_xattr(file_dentry(file), &xattr_value);  in process_measurement()
322 			rc = mmap_violation_check(func, file, &pathbuf,  in process_measurement()
333 		xattr_len = ima_read_xattr(file_dentry(file), &xattr_value);  in process_measurement()
351 	rc = ima_collect_measurement(iint, file, buf, size, hash_algo, modsig);  in process_measurement()
356 		pathname = ima_d_path(&file->f_path, &pathbuf, filename);  in process_measurement()
359 		ima_store_measurement(iint, file, pathname,  in process_measurement()
366 			rc = ima_appraise_measurement(func, iint, file,  in process_measurement()
372 			rc = mmap_violation_check(func, file, &pathbuf,  in process_measurement()
378 	if ((file->f_flags & O_DIRECT) && (iint->flags & IMA_PERMIT_DIRECTIO))  in process_measurement()
386 		integrity_audit_msg(AUDIT_INTEGRITY_DATA, file_inode(file),  in process_measurement()
403 		if (file->f_mode & FMODE_WRITE)  in process_measurement()
422 int ima_file_mmap(struct file *file, unsigned long reqprot,  in ima_file_mmap()  argument
427 	if (file && (prot & PROT_EXEC)) {  in ima_file_mmap()
429 		return process_measurement(file, current_cred(), secid, NULL,  in ima_file_mmap()
451 	struct file *file = vma->vm_file;  in ima_file_mprotect()  local
479 	file = vma->vm_file;  in ima_file_mprotect()
480 	pathname = ima_d_path(&file->f_path, &pathbuf, filename);  in ima_file_mprotect()
508 	ret = process_measurement(bprm->file, current_cred(), secid, NULL, 0,  in ima_bprm_check()
514 	return process_measurement(bprm->file, bprm->cred, secid, NULL, 0,  in ima_bprm_check()
528 int ima_file_check(struct file *file, int mask)  in ima_file_check()  argument
533 	return process_measurement(file, current_cred(), secid, NULL, 0,  in ima_file_check()
592 int ima_file_hash(struct file *file, char *buf, size_t buf_size)  in ima_file_hash()  argument
594 	if (!file)  in ima_file_hash()
597 	return __ima_inode_hash(file_inode(file), buf, buf_size);  in ima_file_hash()
705 int ima_read_file(struct file *file, enum kernel_read_file_id read_id,  in ima_read_file()  argument
730 	return process_measurement(file, current_cred(), secid, NULL,  in ima_read_file()
755 int ima_post_read_file(struct file *file, void *buf, loff_t size,  in ima_post_read_file()  argument
762 	if (!file && read_id == READING_X509_CERTIFICATE)  in ima_post_read_file()
765 	if (!file || !buf || size == 0) { /* should never happen */  in ima_post_read_file()
773 	return process_measurement(file, current_cred(), secid, buf, size,  in ima_post_read_file()
1003 	if (!f.file)  in ima_kexec_cmdline()
1006 	process_buffer_measurement(file_mnt_user_ns(f.file), file_inode(f.file),  in ima_kexec_cmdline()