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authorEric W. Biederman <ebiederm@xmission.com>2012-02-07 16:33:13 -0800
committerEric W. Biederman <ebiederm@xmission.com>2012-09-21 03:13:21 -0700
commit2db81452931eb51cc739d6e495cf1bd4860c3c99 (patch)
tree959805577a8e8c449fc4b3c576d2f0c840090fa4
parente4849737f76c8767e70dc1575f6e59fc3682b3fe (diff)
userns: Convert apparmor to use kuid and kgid where appropriate
Cc: John Johansen <john.johansen@canonical.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
-rw-r--r--init/Kconfig1
-rw-r--r--security/apparmor/domain.c4
-rw-r--r--security/apparmor/file.c12
-rw-r--r--security/apparmor/include/audit.h2
-rw-r--r--security/apparmor/include/file.h4
5 files changed, 12 insertions, 11 deletions
diff --git a/init/Kconfig b/init/Kconfig
index f31599739f7..637faf8626c 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -964,7 +964,6 @@ config UIDGID_CONVERTED
# Security modules
depends on SECURITY_TOMOYO = n
- depends on SECURITY_APPARMOR = n
config UIDGID_STRICT_TYPE_CHECKS
bool "Require conversions between uid/gids and their internal representation"
diff --git a/security/apparmor/domain.c b/security/apparmor/domain.c
index b81ea10a17a..60f0c76a27d 100644
--- a/security/apparmor/domain.c
+++ b/security/apparmor/domain.c
@@ -721,7 +721,7 @@ audit:
if (!permtest)
error = aa_audit_file(profile, &perms, GFP_KERNEL,
OP_CHANGE_HAT, AA_MAY_CHANGEHAT, NULL,
- target, 0, info, error);
+ target, GLOBAL_ROOT_UID, info, error);
out:
aa_put_profile(hat);
@@ -848,7 +848,7 @@ int aa_change_profile(const char *ns_name, const char *hname, bool onexec,
audit:
if (!permtest)
error = aa_audit_file(profile, &perms, GFP_KERNEL, op, request,
- name, hname, 0, info, error);
+ name, hname, GLOBAL_ROOT_UID, info, error);
aa_put_namespace(ns);
aa_put_profile(target);
diff --git a/security/apparmor/file.c b/security/apparmor/file.c
index cf19d4093ca..cd21ec5b90a 100644
--- a/security/apparmor/file.c
+++ b/security/apparmor/file.c
@@ -65,7 +65,7 @@ static void audit_file_mask(struct audit_buffer *ab, u32 mask)
static void file_audit_cb(struct audit_buffer *ab, void *va)
{
struct common_audit_data *sa = va;
- uid_t fsuid = current_fsuid();
+ kuid_t fsuid = current_fsuid();
if (sa->aad->fs.request & AA_AUDIT_FILE_MASK) {
audit_log_format(ab, " requested_mask=");
@@ -76,8 +76,10 @@ static void file_audit_cb(struct audit_buffer *ab, void *va)
audit_file_mask(ab, sa->aad->fs.denied);
}
if (sa->aad->fs.request & AA_AUDIT_FILE_MASK) {
- audit_log_format(ab, " fsuid=%d", fsuid);
- audit_log_format(ab, " ouid=%d", sa->aad->fs.ouid);
+ audit_log_format(ab, " fsuid=%d",
+ from_kuid(&init_user_ns, fsuid));
+ audit_log_format(ab, " ouid=%d",
+ from_kuid(&init_user_ns, sa->aad->fs.ouid));
}
if (sa->aad->fs.target) {
@@ -103,7 +105,7 @@ static void file_audit_cb(struct audit_buffer *ab, void *va)
*/
int aa_audit_file(struct aa_profile *profile, struct file_perms *perms,
gfp_t gfp, int op, u32 request, const char *name,
- const char *target, uid_t ouid, const char *info, int error)
+ const char *target, kuid_t ouid, const char *info, int error)
{
int type = AUDIT_APPARMOR_AUTO;
struct common_audit_data sa;
@@ -201,7 +203,7 @@ static struct file_perms compute_perms(struct aa_dfa *dfa, unsigned int state,
*/
perms.kill = 0;
- if (current_fsuid() == cond->uid) {
+ if (uid_eq(current_fsuid(), cond->uid)) {
perms.allow = map_old_perms(dfa_user_allow(dfa, state));
perms.audit = map_old_perms(dfa_user_audit(dfa, state));
perms.quiet = map_old_perms(dfa_user_quiet(dfa, state));
diff --git a/security/apparmor/include/audit.h b/security/apparmor/include/audit.h
index 4b7e18951ae..69d8cae634e 100644
--- a/security/apparmor/include/audit.h
+++ b/security/apparmor/include/audit.h
@@ -125,7 +125,7 @@ struct apparmor_audit_data {
const char *target;
u32 request;
u32 denied;
- uid_t ouid;
+ kuid_t ouid;
} fs;
};
};
diff --git a/security/apparmor/include/file.h b/security/apparmor/include/file.h
index f98fd4701d8..967b2deda37 100644
--- a/security/apparmor/include/file.h
+++ b/security/apparmor/include/file.h
@@ -71,7 +71,7 @@ struct path;
/* need to make conditional which ones are being set */
struct path_cond {
- uid_t uid;
+ kuid_t uid;
umode_t mode;
};
@@ -146,7 +146,7 @@ static inline u16 dfa_map_xindex(u16 mask)
int aa_audit_file(struct aa_profile *profile, struct file_perms *perms,
gfp_t gfp, int op, u32 request, const char *name,
- const char *target, uid_t ouid, const char *info, int error);
+ const char *target, kuid_t ouid, const char *info, int error);
/**
* struct aa_file_rules - components used for file rule permissions