From c6af8efe97d87fa308eb1bbd0cf4feb820a4d622 Mon Sep 17 00:00:00 2001 From: Mimi Zohar Date: Thu, 19 Nov 2015 12:39:22 -0500 Subject: ima: remove firmware and module specific cached status info Each time a file is read by the kernel, the file should be re-measured and the file signature re-appraised, based on policy. As there is no need to preserve the status information, this patch replaces the firmware and module specific cache status with a generic one named read_file. This change simplifies adding support for other files read by the kernel. Signed-off-by: Mimi Zohar Acked-by: Petko Manolov Acked-by: Dmitry Kasatkin --- security/integrity/integrity.h | 16 ++++------------ 1 file changed, 4 insertions(+), 12 deletions(-) (limited to 'security/integrity/integrity.h') diff --git a/security/integrity/integrity.h b/security/integrity/integrity.h index 9a0ea4c4e3dd..c7a111cc7d89 100644 --- a/security/integrity/integrity.h +++ b/security/integrity/integrity.h @@ -45,18 +45,12 @@ #define IMA_MMAP_APPRAISED 0x00000800 #define IMA_BPRM_APPRAISE 0x00001000 #define IMA_BPRM_APPRAISED 0x00002000 -#define IMA_MODULE_APPRAISE 0x00004000 -#define IMA_MODULE_APPRAISED 0x00008000 -#define IMA_FIRMWARE_APPRAISE 0x00010000 -#define IMA_FIRMWARE_APPRAISED 0x00020000 -#define IMA_READ_APPRAISE 0x00040000 -#define IMA_READ_APPRAISED 0x00080000 +#define IMA_READ_APPRAISE 0x00004000 +#define IMA_READ_APPRAISED 0x00008000 #define IMA_APPRAISE_SUBMASK (IMA_FILE_APPRAISE | IMA_MMAP_APPRAISE | \ - IMA_BPRM_APPRAISE | IMA_MODULE_APPRAISE | \ - IMA_FIRMWARE_APPRAISE | IMA_READ_APPRAISE) + IMA_BPRM_APPRAISE | IMA_READ_APPRAISE) #define IMA_APPRAISED_SUBMASK (IMA_FILE_APPRAISED | IMA_MMAP_APPRAISED | \ - IMA_BPRM_APPRAISED | IMA_MODULE_APPRAISED | \ - IMA_FIRMWARE_APPRAISED | IMA_READ_APPRAISED) + IMA_BPRM_APPRAISED | IMA_READ_APPRAISED) enum evm_ima_xattr_type { IMA_XATTR_DIGEST = 0x01, @@ -111,8 +105,6 @@ struct integrity_iint_cache { enum integrity_status ima_file_status:4; enum integrity_status ima_mmap_status:4; enum integrity_status ima_bprm_status:4; - enum integrity_status ima_module_status:4; - enum integrity_status ima_firmware_status:4; enum integrity_status ima_read_status:4; enum integrity_status evm_status:4; struct ima_digest_data *ima_hash; -- cgit v1.2.3-59-g8ed1b