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userns: Convert tomoyo to use kuid and kgid where appropriate 

Acked-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
This commit is contained in:
Eric W. Biederman 2012-02-07 16:34:10 -08:00
parent 2db8145293
commit 609fcd1b3a
5 changed files with 31 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
init/Kconfig
View File

@ -962,9 +962,6 @@ config UIDGID_CONVERTED
# The rare drivers that won't build
depends on ANDROID_BINDER_IPC = n
# Security modules
depends on SECURITY_TOMOYO = n
config UIDGID_STRICT_TYPE_CHECKS
bool "Require conversions between uid/gids and their internal representation"
depends on UIDGID_CONVERTED

23
security/tomoyo/audit.c
View File

@ -168,9 +168,14 @@ static char *tomoyo_print_header(struct tomoyo_request_info *r)
stamp.day, stamp.hour, stamp.min, stamp.sec, r->profile,
tomoyo_mode[r->mode], tomoyo_yesno(r->granted), gpid,
tomoyo_sys_getpid(), tomoyo_sys_getppid(),
current_uid(), current_gid(), current_euid(),
current_egid(), current_suid(), current_sgid(),
current_fsuid(), current_fsgid());
from_kuid(&init_user_ns, current_uid()),
from_kgid(&init_user_ns, current_gid()),
from_kuid(&init_user_ns, current_euid()),
from_kgid(&init_user_ns, current_egid()),
from_kuid(&init_user_ns, current_suid()),
from_kgid(&init_user_ns, current_sgid()),
from_kuid(&init_user_ns, current_fsuid()),
from_kgid(&init_user_ns, current_fsgid()));
if (!obj)
goto no_obj_info;
if (!obj->validate_done) {
@ -191,15 +196,19 @@ static char *tomoyo_print_header(struct tomoyo_request_info *r)
tomoyo_buffer_len - 1 - pos,
" path%u.parent={ uid=%u gid=%u "
"ino=%lu perm=0%o }", (i >> 1) + 1,
stat->uid, stat->gid, (unsigned long)
stat->ino, stat->mode & S_IALLUGO);
from_kuid(&init_user_ns, stat->uid),
from_kgid(&init_user_ns, stat->gid),
(unsigned long)stat->ino,
stat->mode & S_IALLUGO);
continue;
}
pos += snprintf(buffer + pos, tomoyo_buffer_len - 1 - pos,
" path%u={ uid=%u gid=%u ino=%lu major=%u"
" minor=%u perm=0%o type=%s", (i >> 1) + 1,
stat->uid, stat->gid, (unsigned long)
stat->ino, MAJOR(dev), MINOR(dev),
from_kuid(&init_user_ns, stat->uid),
from_kgid(&init_user_ns, stat->gid),
(unsigned long)stat->ino,
MAJOR(dev), MINOR(dev),
mode & S_IALLUGO, tomoyo_filetype(mode));
if (S_ISCHR(mode) || S_ISBLK(mode)) {
dev = stat->rdev;

4
security/tomoyo/common.c
View File

@ -925,7 +925,9 @@ static bool tomoyo_manager(void)
if (!tomoyo_policy_loaded)
return true;
if (!tomoyo_manage_by_non_root && (task->cred->uid || task->cred->euid))
if (!tomoyo_manage_by_non_root &&
(!uid_eq(task->cred->uid, GLOBAL_ROOT_UID) ||
!uid_eq(task->cred->euid, GLOBAL_ROOT_UID)))
return false;
exe = tomoyo_get_exe();
if (!exe)

4
security/tomoyo/common.h
View File

@ -561,8 +561,8 @@ struct tomoyo_address_group {
/* Subset of "struct stat". Used by conditional ACL and audit logs. */
struct tomoyo_mini_stat {
uid_t uid;
gid_t gid;
kuid_t uid;
kgid_t gid;
ino_t ino;
umode_t mode;
dev_t dev;

20
security/tomoyo/condition.c
View File

@ -813,28 +813,28 @@ bool tomoyo_condition(struct tomoyo_request_info *r,
unsigned long value = 0;
switch (index) {
case TOMOYO_TASK_UID:
value = current_uid();
value = from_kuid(&init_user_ns, current_uid());
break;
case TOMOYO_TASK_EUID:
value = current_euid();
value = from_kuid(&init_user_ns, current_euid());
break;
case TOMOYO_TASK_SUID:
value = current_suid();
value = from_kuid(&init_user_ns, current_suid());
break;
case TOMOYO_TASK_FSUID:
value = current_fsuid();
value = from_kuid(&init_user_ns, current_fsuid());
break;
case TOMOYO_TASK_GID:
value = current_gid();
value = from_kgid(&init_user_ns, current_gid());
break;
case TOMOYO_TASK_EGID:
value = current_egid();
value = from_kgid(&init_user_ns, current_egid());
break;
case TOMOYO_TASK_SGID:
value = current_sgid();
value = from_kgid(&init_user_ns, current_sgid());
break;
case TOMOYO_TASK_FSGID:
value = current_fsgid();
value = from_kgid(&init_user_ns, current_fsgid());
break;
case TOMOYO_TASK_PID:
value = tomoyo_sys_getpid();
@ -970,13 +970,13 @@ bool tomoyo_condition(struct tomoyo_request_info *r,
case TOMOYO_PATH2_UID:
case TOMOYO_PATH1_PARENT_UID:
case TOMOYO_PATH2_PARENT_UID:
value = stat->uid;
value = from_kuid(&init_user_ns, stat->uid);
break;
case TOMOYO_PATH1_GID:
case TOMOYO_PATH2_GID:
case TOMOYO_PATH1_PARENT_GID:
case TOMOYO_PATH2_PARENT_GID:
value = stat->gid;
value = from_kgid(&init_user_ns, stat->gid);
break;
case TOMOYO_PATH1_INO:
case TOMOYO_PATH2_INO: