redonkable/remarkable-linux
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SELinux: remove unused backpointers from security objects

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Remove unused backpoiters from security objects.

Signed-off-by: James Morris <jmorris@namei.org>
This commit is contained in:
James Morris 2008-02-26 09:52:58 +11:00
parent f74af6e816
commit 98e9894650
2 changed files with 0 additions and 14 deletions
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7
security/selinux/hooks.c
View file

@ -161,7 +161,6 @@ static int task_alloc_security(struct task_struct *task)
if (!tsec) if (!tsec)
return -ENOMEM; return -ENOMEM;
tsec->task = task;
tsec->osid = tsec->sid = tsec->ptrace_sid = SECINITSID_UNLABELED; tsec->osid = tsec->sid = tsec->ptrace_sid = SECINITSID_UNLABELED;
task->security = tsec; task->security = tsec;
@ -218,7 +217,6 @@ static int file_alloc_security(struct file *file)
if (!fsec) if (!fsec)
return -ENOMEM; return -ENOMEM;
fsec->file = file;
fsec->sid = tsec->sid; fsec->sid = tsec->sid;
fsec->fown_sid = tsec->sid; fsec->fown_sid = tsec->sid;
file->f_security = fsec; file->f_security = fsec;
@ -275,7 +273,6 @@ static int sk_alloc_security(struct sock *sk, int family, gfp_t priority)
if (!ssec) if (!ssec)
return -ENOMEM; return -ENOMEM;
ssec->sk = sk;
ssec->peer_sid = SECINITSID_UNLABELED; ssec->peer_sid = SECINITSID_UNLABELED;
ssec->sid = SECINITSID_UNLABELED; ssec->sid = SECINITSID_UNLABELED;
sk->sk_security = ssec; sk->sk_security = ssec;
@ -1889,7 +1886,6 @@ static int selinux_bprm_alloc_security(struct linux_binprm *bprm)
if (!bsec) if (!bsec)
return -ENOMEM; return -ENOMEM;
bsec->bprm = bprm;
bsec->sid = SECINITSID_UNLABELED; bsec->sid = SECINITSID_UNLABELED;
bsec->set = 0; bsec->set = 0;
@ -4561,7 +4557,6 @@ static int ipc_alloc_security(struct task_struct *task,
return -ENOMEM; return -ENOMEM;
isec->sclass = sclass; isec->sclass = sclass;
isec->ipc_perm = perm;
isec->sid = tsec->sid; isec->sid = tsec->sid;
perm->security = isec; perm->security = isec;
@ -4583,7 +4578,6 @@ static int msg_msg_alloc_security(struct msg_msg *msg)
if (!msec) if (!msec)
return -ENOMEM; return -ENOMEM;
msec->msg = msg;
msec->sid = SECINITSID_UNLABELED; msec->sid = SECINITSID_UNLABELED;
msg->security = msec; msg->security = msec;
@ -5194,7 +5188,6 @@ static int selinux_key_alloc(struct key *k, struct task_struct *tsk,
if (!ksec) if (!ksec)
return -ENOMEM; return -ENOMEM;
ksec->obj = k;
if (tsec->keycreate_sid) if (tsec->keycreate_sid)
ksec->sid = tsec->keycreate_sid; ksec->sid = tsec->keycreate_sid;
else else

7
security/selinux/include/objsec.h
View file

@ -28,7 +28,6 @@
#include "avc.h" #include "avc.h"
struct task_security_struct { struct task_security_struct {
struct task_struct *task; /* back pointer to task object */
u32 osid; /* SID prior to last execve */ u32 osid; /* SID prior to last execve */
u32 sid; /* current SID */ u32 sid; /* current SID */
u32 exec_sid; /* exec SID */ u32 exec_sid; /* exec SID */
@ -50,7 +49,6 @@ struct inode_security_struct {
}; };
struct file_security_struct { struct file_security_struct {
struct file *file; /* back pointer to file object */
u32 sid; /* SID of open file description */ u32 sid; /* SID of open file description */
u32 fown_sid; /* SID of file owner (for SIGIO) */ u32 fown_sid; /* SID of file owner (for SIGIO) */
u32 isid; /* SID of inode at the time of file open */ u32 isid; /* SID of inode at the time of file open */
@ -73,18 +71,15 @@ struct superblock_security_struct {
}; };
struct msg_security_struct { struct msg_security_struct {
struct msg_msg *msg; /* back pointer */
u32 sid; /* SID of message */ u32 sid; /* SID of message */
}; };
struct ipc_security_struct { struct ipc_security_struct {
struct kern_ipc_perm *ipc_perm; /* back pointer */
u16 sclass; /* security class of this object */ u16 sclass; /* security class of this object */
u32 sid; /* SID of IPC resource */ u32 sid; /* SID of IPC resource */
}; };
struct bprm_security_struct { struct bprm_security_struct {
struct linux_binprm *bprm; /* back pointer to bprm object */
u32 sid; /* SID for transformed process */ u32 sid; /* SID for transformed process */
unsigned char set; unsigned char set;
@ -110,7 +105,6 @@ struct netnode_security_struct {
}; };
struct sk_security_struct { struct sk_security_struct {
struct sock *sk; /* back pointer to sk object */
u32 sid; /* SID of this object */ u32 sid; /* SID of this object */
u32 peer_sid; /* SID of peer */ u32 peer_sid; /* SID of peer */
u16 sclass; /* sock security class */ u16 sclass; /* sock security class */
@ -124,7 +118,6 @@ struct sk_security_struct {
}; };
struct key_security_struct { struct key_security_struct {
struct key *obj; /* back pointer */
u32 sid; /* SID of key */ u32 sid; /* SID of key */
}; };