diff options
Diffstat (limited to 'security/integrity')
| -rw-r--r-- | security/integrity/ima/ima.h | 4 | ||||
| -rw-r--r-- | security/integrity/ima/ima_appraise.c | 4 | ||||
| -rw-r--r-- | security/integrity/ima/ima_main.c | 16 |
3 files changed, 12 insertions, 12 deletions
diff --git a/security/integrity/ima/ima.h b/security/integrity/ima/ima.h index 57da4bd7ba0..0fb456c20ed 100644 --- a/security/integrity/ima/ima.h +++ b/security/integrity/ima/ima.h @@ -177,7 +177,7 @@ void ima_delete_rules(void); int ima_appraise_measurement(int func, struct integrity_iint_cache *iint, struct file *file, const unsigned char *filename, struct evm_ima_xattr_data *xattr_value, - int xattr_len); + int xattr_len, int opened); int ima_must_appraise(struct inode *inode, int mask, enum ima_hooks func); void ima_update_xattr(struct integrity_iint_cache *iint, struct file *file); enum integrity_status ima_get_cache_status(struct integrity_iint_cache *iint, @@ -193,7 +193,7 @@ static inline int ima_appraise_measurement(int func, struct file *file, const unsigned char *filename, struct evm_ima_xattr_data *xattr_value, - int xattr_len) + int xattr_len, int opened) { return INTEGRITY_UNKNOWN; } diff --git a/security/integrity/ima/ima_appraise.c b/security/integrity/ima/ima_appraise.c index a4605d67724..225fd944a4e 100644 --- a/security/integrity/ima/ima_appraise.c +++ b/security/integrity/ima/ima_appraise.c @@ -183,7 +183,7 @@ int ima_read_xattr(struct dentry *dentry, int ima_appraise_measurement(int func, struct integrity_iint_cache *iint, struct file *file, const unsigned char *filename, struct evm_ima_xattr_data *xattr_value, - int xattr_len) + int xattr_len, int opened) { static const char op[] = "appraise_data"; char *cause = "unknown"; @@ -203,7 +203,7 @@ int ima_appraise_measurement(int func, struct integrity_iint_cache *iint, cause = "missing-hash"; status = INTEGRITY_NOLABEL; - if (inode->i_size == 0) { + if (opened & FILE_CREATED) { iint->flags |= IMA_NEW_FILE; status = INTEGRITY_PASS; } diff --git a/security/integrity/ima/ima_main.c b/security/integrity/ima/ima_main.c index 0a2298f90c9..f82cf9b8e92 100644 --- a/security/integrity/ima/ima_main.c +++ b/security/integrity/ima/ima_main.c @@ -157,7 +157,7 @@ void ima_file_free(struct file *file) } static int process_measurement(struct file *file, const char *filename, - int mask, int function) + int mask, int function, int opened) { struct inode *inode = file_inode(file); struct integrity_iint_cache *iint; @@ -226,7 +226,7 @@ static int process_measurement(struct file *file, const char *filename, xattr_value, xattr_len); if (action & IMA_APPRAISE_SUBMASK) rc = ima_appraise_measurement(_func, iint, file, pathname, - xattr_value, xattr_len); + xattr_value, xattr_len, opened); if (action & IMA_AUDIT) ima_audit_measurement(iint, pathname); kfree(pathbuf); @@ -255,7 +255,7 @@ out: int ima_file_mmap(struct file *file, unsigned long prot) { if (file && (prot & PROT_EXEC)) - return process_measurement(file, NULL, MAY_EXEC, MMAP_CHECK); + return process_measurement(file, NULL, MAY_EXEC, MMAP_CHECK, 0); return 0; } @@ -277,7 +277,7 @@ int ima_bprm_check(struct linux_binprm *bprm) return process_measurement(bprm->file, (strcmp(bprm->filename, bprm->interp) == 0) ? bprm->filename : bprm->interp, - MAY_EXEC, BPRM_CHECK); + MAY_EXEC, BPRM_CHECK, 0); } /** @@ -290,12 +290,12 @@ int ima_bprm_check(struct linux_binprm *bprm) * On success return 0. On integrity appraisal error, assuming the file * is in policy and IMA-appraisal is in enforcing mode, return -EACCES. */ -int ima_file_check(struct file *file, int mask) +int ima_file_check(struct file *file, int mask, int opened) { ima_rdwr_violation_check(file); return process_measurement(file, NULL, mask & (MAY_READ | MAY_WRITE | MAY_EXEC), - FILE_CHECK); + FILE_CHECK, opened); } EXPORT_SYMBOL_GPL(ima_file_check); @@ -318,7 +318,7 @@ int ima_module_check(struct file *file) #endif return 0; /* We rely on module signature checking */ } - return process_measurement(file, NULL, MAY_EXEC, MODULE_CHECK); + return process_measurement(file, NULL, MAY_EXEC, MODULE_CHECK, 0); } int ima_fw_from_file(struct file *file, char *buf, size_t size) @@ -329,7 +329,7 @@ int ima_fw_from_file(struct file *file, char *buf, size_t size) return -EACCES; /* INTEGRITY_UNKNOWN */ return 0; } - return process_measurement(file, NULL, MAY_EXEC, FIRMWARE_CHECK); + return process_measurement(file, NULL, MAY_EXEC, FIRMWARE_CHECK, 0); } static int __init init_ima(void) |