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integrity: Add an integrity directory in securityfs

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We want to add additional evm control nodes, and it'd be preferable not
to clutter up the securityfs root directory any further. Create a new
integrity directory, move the ima directory into it, create an evm
directory for the evm attribute and add compatibility symlinks.

Signed-off-by: Matthew Garrett <mjg59@google.com>
Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
This commit is contained in:
Matthew Garrett
2018-05-11 16:12:34 -07:00
committed by Mimi Zohar
parent 4ecd9934ba
commit 0c343af806
4 changed files with 52 additions and 4 deletions
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9
security/integrity/ima/ima_fs.c
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@@ -359,6 +359,7 @@ out:
}
static struct dentry *ima_dir;
static struct dentry *ima_symlink;
static struct dentry *binary_runtime_measurements;
static struct dentry *ascii_runtime_measurements;
static struct dentry *runtime_measurements_count;
@@ -453,10 +454,15 @@ static const struct file_operations ima_measure_policy_ops = {
int __init ima_fs_init(void)
{
ima_dir = securityfs_create_dir("ima", NULL);
ima_dir = securityfs_create_dir("ima", integrity_dir);
if (IS_ERR(ima_dir))
return -1;
ima_symlink = securityfs_create_symlink("ima", NULL, "integrity/ima",
NULL);
if (IS_ERR(ima_symlink))
goto out;
binary_runtime_measurements =
securityfs_create_file("binary_runtime_measurements",
S_IRUSR | S_IRGRP, ima_dir, NULL,
@@ -496,6 +502,7 @@ out:
securityfs_remove(runtime_measurements_count);
securityfs_remove(ascii_runtime_measurements);
securityfs_remove(binary_runtime_measurements);
securityfs_remove(ima_symlink);
securityfs_remove(ima_dir);
securityfs_remove(ima_policy);
return -1;