diff options
Diffstat (limited to 'security/integrity/integrity.h')
| -rw-r--r-- | security/integrity/integrity.h | 41 |
1 files changed, 27 insertions, 14 deletions
diff --git a/security/integrity/integrity.h b/security/integrity/integrity.h index e1bf040fb110..50a8e3365df7 100644 --- a/security/integrity/integrity.h +++ b/security/integrity/integrity.h @@ -25,39 +25,50 @@ #define IMA_COLLECTED 0x00000020 #define IMA_AUDIT 0x00000040 #define IMA_AUDITED 0x00000080 +#define IMA_HASH 0x00000100 +#define IMA_HASHED 0x00000200 /* iint cache flags */ #define IMA_ACTION_FLAGS 0xff000000 #define IMA_ACTION_RULE_FLAGS 0x06000000 -#define IMA_DIGSIG 0x01000000 -#define IMA_DIGSIG_REQUIRED 0x02000000 -#define IMA_PERMIT_DIRECTIO 0x04000000 -#define IMA_NEW_FILE 0x08000000 +#define IMA_DIGSIG_REQUIRED 0x01000000 +#define IMA_PERMIT_DIRECTIO 0x02000000 +#define IMA_NEW_FILE 0x04000000 +#define EVM_IMMUTABLE_DIGSIG 0x08000000 #define IMA_DO_MASK (IMA_MEASURE | IMA_APPRAISE | IMA_AUDIT | \ - IMA_APPRAISE_SUBMASK) + IMA_HASH | IMA_APPRAISE_SUBMASK) #define IMA_DONE_MASK (IMA_MEASURED | IMA_APPRAISED | IMA_AUDITED | \ - IMA_COLLECTED | IMA_APPRAISED_SUBMASK) + IMA_HASHED | IMA_COLLECTED | \ + IMA_APPRAISED_SUBMASK) /* iint subaction appraise cache flags */ -#define IMA_FILE_APPRAISE 0x00000100 -#define IMA_FILE_APPRAISED 0x00000200 -#define IMA_MMAP_APPRAISE 0x00000400 -#define IMA_MMAP_APPRAISED 0x00000800 -#define IMA_BPRM_APPRAISE 0x00001000 -#define IMA_BPRM_APPRAISED 0x00002000 -#define IMA_READ_APPRAISE 0x00004000 -#define IMA_READ_APPRAISED 0x00008000 +#define IMA_FILE_APPRAISE 0x00001000 +#define IMA_FILE_APPRAISED 0x00002000 +#define IMA_MMAP_APPRAISE 0x00004000 +#define IMA_MMAP_APPRAISED 0x00008000 +#define IMA_BPRM_APPRAISE 0x00010000 +#define IMA_BPRM_APPRAISED 0x00020000 +#define IMA_READ_APPRAISE 0x00040000 +#define IMA_READ_APPRAISED 0x00080000 #define IMA_APPRAISE_SUBMASK (IMA_FILE_APPRAISE | IMA_MMAP_APPRAISE | \ IMA_BPRM_APPRAISE | IMA_READ_APPRAISE) #define IMA_APPRAISED_SUBMASK (IMA_FILE_APPRAISED | IMA_MMAP_APPRAISED | \ IMA_BPRM_APPRAISED | IMA_READ_APPRAISED) +/* iint cache atomic_flags */ +#define IMA_CHANGE_XATTR 0 +#define IMA_UPDATE_XATTR 1 +#define IMA_CHANGE_ATTR 2 +#define IMA_DIGSIG 3 +#define IMA_MUST_MEASURE 4 + enum evm_ima_xattr_type { IMA_XATTR_DIGEST = 0x01, EVM_XATTR_HMAC, EVM_IMA_XATTR_DIGSIG, IMA_XATTR_DIGEST_NG, + EVM_XATTR_PORTABLE_DIGSIG, IMA_XATTR_LAST }; @@ -100,10 +111,12 @@ struct signature_v2_hdr { /* integrity data associated with an inode */ struct integrity_iint_cache { struct rb_node rb_node; /* rooted in integrity_iint_tree */ + struct mutex mutex; /* protects: version, flags, digest */ struct inode *inode; /* back pointer to inode in question */ u64 version; /* track inode changes */ unsigned long flags; unsigned long measured_pcrs; + unsigned long atomic_flags; enum integrity_status ima_file_status:4; enum integrity_status ima_mmap_status:4; enum integrity_status ima_bprm_status:4; |