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AppArmor: add "file" details to securityfs

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Create the "file" directory in the securityfs for tracking features
related to files.

Signed-off-by: Kees Cook <kees@ubuntu.com>
Signed-off-by: John Johansen <john.johansen@canonical.com>
This commit is contained in:
Kees Cook 2012-01-26 16:29:22 -08:00 committed by John Johansen
parent e74abcf335
commit a9bf8e9fd5
2 changed files with 16 additions and 0 deletions
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10
security/apparmor/apparmorfs.c
View file

@ -154,6 +154,9 @@ static int aa_fs_seq_show(struct seq_file *seq, void *v)
case AA_FS_TYPE_BOOLEAN:
seq_printf(seq, "%s\n", fs_file->v.boolean ? "yes" : "no");
break;
case AA_FS_TYPE_STRING:
seq_printf(seq, "%s\n", fs_file->v.string);
break;
case AA_FS_TYPE_U64:
seq_printf(seq, "%#08lx\n", fs_file->v.u64);
break;
@ -180,6 +183,12 @@ const struct file_operations aa_fs_seq_file_ops = {
/** Base file system setup **/
static struct aa_fs_entry aa_fs_entry_file[] = {
AA_FS_FILE_STRING("mask", "create read write exec append mmap_exec " \
"link lock"),
{ }
};
static struct aa_fs_entry aa_fs_entry_domain[] = {
AA_FS_FILE_BOOLEAN("change_hat", 1),
AA_FS_FILE_BOOLEAN("change_hatv", 1),
@ -190,6 +199,7 @@ static struct aa_fs_entry aa_fs_entry_domain[] = {
static struct aa_fs_entry aa_fs_entry_features[] = {
AA_FS_DIR("domain", aa_fs_entry_domain),
AA_FS_DIR("file", aa_fs_entry_file),
AA_FS_FILE_U64("capability", VFS_CAP_FLAGS_MASK),
{ }
};

6
security/apparmor/include/apparmorfs.h
View file

@ -17,6 +17,7 @@
enum aa_fs_type {
AA_FS_TYPE_BOOLEAN,
AA_FS_TYPE_STRING,
AA_FS_TYPE_U64,
AA_FS_TYPE_FOPS,
AA_FS_TYPE_DIR,
@ -31,6 +32,7 @@ struct aa_fs_entry {
enum aa_fs_type v_type;
union {
bool boolean;
char *string;
unsigned long u64;
struct aa_fs_entry *files;
} v;
@ -43,6 +45,10 @@ extern const struct file_operations aa_fs_seq_file_ops;
{ .name = (_name), .mode = 0444, \
.v_type = AA_FS_TYPE_BOOLEAN, .v.boolean = (_value), \
.file_ops = &aa_fs_seq_file_ops }
#define AA_FS_FILE_STRING(_name, _value) \
{ .name = (_name), .mode = 0444, \
.v_type = AA_FS_TYPE_STRING, .v.string = (_value), \
.file_ops = &aa_fs_seq_file_ops }
#define AA_FS_FILE_U64(_name, _value) \
{ .name = (_name), .mode = 0444, \
.v_type = AA_FS_TYPE_U64, .v.u64 = (_value), \