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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/include/linux/ima.h
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@@ -1,15 +1,13 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 /*
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  * Copyright (C) 2008 IBM Corporation
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  * Author: Mimi Zohar <zohar@us.ibm.com>
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License as published by
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- * the Free Software Foundation, version 2 of the License.
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  */
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 #ifndef _LINUX_IMA_H
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 #define _LINUX_IMA_H
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+#include <linux/kernel_read_file.h>
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 #include <linux/fs.h>
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 #include <linux/security.h>
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 #include <linux/kexec.h>
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@@ -18,16 +16,38 @@
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 #ifdef CONFIG_IMA
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 extern int ima_bprm_check(struct linux_binprm *bprm);
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 extern int ima_file_check(struct file *file, int mask);
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+extern void ima_post_create_tmpfile(struct inode *inode);
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 extern void ima_file_free(struct file *file);
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 extern int ima_file_mmap(struct file *file, unsigned long prot);
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-extern int ima_load_data(enum kernel_load_data_id id);
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-extern int ima_read_file(struct file *file, enum kernel_read_file_id id);
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+extern int ima_file_mprotect(struct vm_area_struct *vma, unsigned long prot);
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+extern int ima_load_data(enum kernel_load_data_id id, bool contents);
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+extern int ima_post_load_data(char *buf, loff_t size,
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+			      enum kernel_load_data_id id, char *description);
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+extern int ima_read_file(struct file *file, enum kernel_read_file_id id,
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+			 bool contents);
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 extern int ima_post_read_file(struct file *file, void *buf, loff_t size,
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 			      enum kernel_read_file_id id);
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 extern void ima_post_path_mknod(struct dentry *dentry);
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+extern int ima_file_hash(struct file *file, char *buf, size_t buf_size);
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+extern void ima_kexec_cmdline(int kernel_fd, const void *buf, int size);
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 #ifdef CONFIG_IMA_KEXEC
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 extern void ima_add_kexec_buffer(struct kimage *image);
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+#endif
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+
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+#ifdef CONFIG_IMA_SECURE_AND_OR_TRUSTED_BOOT
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+extern bool arch_ima_get_secureboot(void);
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+extern const char * const *arch_get_ima_policy(void);
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+#else
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+static inline bool arch_ima_get_secureboot(void)
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+{
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+	return false;
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+}
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+
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+static inline const char * const *arch_get_ima_policy(void)
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+{
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+	return NULL;
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+}
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 #endif
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 #else
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@@ -41,6 +61,10 @@
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 	return 0;
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 }
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+static inline void ima_post_create_tmpfile(struct inode *inode)
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+{
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+}
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+
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 static inline void ima_file_free(struct file *file)
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 {
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 	return;
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@@ -51,12 +75,26 @@
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 	return 0;
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 }
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-static inline int ima_load_data(enum kernel_load_data_id id)
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+static inline int ima_file_mprotect(struct vm_area_struct *vma,
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+				    unsigned long prot)
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 {
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 	return 0;
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 }
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-static inline int ima_read_file(struct file *file, enum kernel_read_file_id id)
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+static inline int ima_load_data(enum kernel_load_data_id id, bool contents)
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+{
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+	return 0;
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+}
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+
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+static inline int ima_post_load_data(char *buf, loff_t size,
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+				     enum kernel_load_data_id id,
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+				     char *description)
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+{
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+	return 0;
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+}
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+
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+static inline int ima_read_file(struct file *file, enum kernel_read_file_id id,
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+				bool contents)
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 {
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 	return 0;
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 }
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@@ -72,6 +110,12 @@
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 	return;
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 }
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+static inline int ima_file_hash(struct file *file, char *buf, size_t buf_size)
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+{
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+	return -EOPNOTSUPP;
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+}
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+
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+static inline void ima_kexec_cmdline(int kernel_fd, const void *buf, int size) {}
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 #endif /* CONFIG_IMA */
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 #ifndef CONFIG_IMA_KEXEC
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@@ -80,6 +124,20 @@
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 static inline void ima_add_kexec_buffer(struct kimage *image)
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 {}
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 #endif
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+
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+#ifdef CONFIG_IMA_MEASURE_ASYMMETRIC_KEYS
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+extern void ima_post_key_create_or_update(struct key *keyring,
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+					  struct key *key,
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+					  const void *payload, size_t plen,
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+					  unsigned long flags, bool create);
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+#else
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+static inline void ima_post_key_create_or_update(struct key *keyring,
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+						 struct key *key,
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+						 const void *payload,
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+						 size_t plen,
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+						 unsigned long flags,
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+						 bool create) {}
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+#endif  /* CONFIG_IMA_MEASURE_ASYMMETRIC_KEYS */
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 #ifdef CONFIG_IMA_APPRAISE
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 extern bool is_ima_appraise_enabled(void);
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 	return 0;
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 }
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 #endif /* CONFIG_IMA_APPRAISE */
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+
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+#if defined(CONFIG_IMA_APPRAISE) && defined(CONFIG_INTEGRITY_TRUSTED_KEYRING)
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+extern bool ima_appraise_signature(enum kernel_read_file_id func);
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+#else
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+static inline bool ima_appraise_signature(enum kernel_read_file_id func)
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+{
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+	return false;
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+}
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+#endif /* CONFIG_IMA_APPRAISE && CONFIG_INTEGRITY_TRUSTED_KEYRING */
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 #endif /* _LINUX_IMA_H */