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ima: Define new template fields xattrnames, xattrlengths and xattrvalues

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This patch defines the new template fields xattrnames, xattrlengths and
xattrvalues, which contain respectively a list of xattr names (strings,
separated by |), lengths (u32, hex) and values (hex). If an xattr is not
present, the name and length are not displayed in the measurement list.

Reported-by: kernel test robot <lkp@intel.com> (Missing prototype def)
Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com>
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
This commit is contained in:
Roberto Sassu
2021-06-01 10:23:38 +02:00
committed by Mimi Zohar
parent 8c7a703ec9
commit 8314b6732a
6 changed files with 162 additions and 0 deletions
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10
include/linux/evm.h
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@@ -39,6 +39,9 @@ extern int evm_inode_init_security(struct inode *inode,
struct xattr *evm);
extern bool evm_revalidate_status(const char *xattr_name);
extern int evm_protected_xattr_if_enabled(const char *req_xattr_name);
extern int evm_read_protected_xattrs(struct dentry *dentry, u8 *buffer,
int buffer_size, char type,
bool canonical_fmt);
#ifdef CONFIG_FS_POSIX_ACL
extern int posix_xattr_acl(const char *xattrname);
#else
@@ -120,5 +123,12 @@ static inline int evm_protected_xattr_if_enabled(const char *req_xattr_name)
return false;
}
static inline int evm_read_protected_xattrs(struct dentry *dentry, u8 *buffer,
int buffer_size, char type,
bool canonical_fmt)
{
return -EOPNOTSUPP;
}
#endif /* CONFIG_EVM */
#endif /* LINUX_EVM_H */