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CRED: Separate task security context from task_struct

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Separate the task security context from task_struct.  At this point, the
security data is temporarily embedded in the task_struct with two pointers
pointing to it.

Note that the Alpha arch is altered as it refers to (E)UID and (E)GID in
entry.S via asm-offsets.

With comment fixes Signed-off-by: Marc Dionne <marc.c.dionne@gmail.com>

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: James Morris <jmorris@namei.org>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Signed-off-by: James Morris <jmorris@namei.org>
This commit is contained in:
David Howells 2008-11-14 10:39:16 +11:00 • committed by James Morris
parent 15a2460ed0
commit b6dff3ec5e
63 changed files with 830 additions and 675 deletions
Download patch file Download diff file Expand all files Collapse all files

18
fs/proc/array.c
View file

@ -182,8 +182,8 @@ static inline void task_state(struct seq_file *m, struct pid_namespace *ns,
task_tgid_nr_ns(p, ns),
pid_nr_ns(pid, ns),
ppid, tpid,
p->uid, p->euid, p->suid, p->fsuid,
p->gid, p->egid, p->sgid, p->fsgid);
p->cred->uid, p->cred->euid, p->cred->suid, p->cred->fsuid,
p->cred->gid, p->cred->egid, p->cred->sgid, p->cred->fsgid);
task_lock(p);
if (p->files)
@ -194,7 +194,7 @@ static inline void task_state(struct seq_file *m, struct pid_namespace *ns,
fdt ? fdt->max_fds : 0);
rcu_read_unlock();
group_info = p->group_info;
group_info = p->cred->group_info;
get_group_info(group_info);
task_unlock(p);
@ -262,7 +262,7 @@ static inline void task_sig(struct seq_file *m, struct task_struct *p)
blocked = p->blocked;
collect_sigign_sigcatch(p, &ignored, &caught);
num_threads = atomic_read(&p->signal->count);
qsize = atomic_read(&p->user->sigpending);
qsize = atomic_read(&p->cred->user->sigpending);
qlim = p->signal->rlim[RLIMIT_SIGPENDING].rlim_cur;
unlock_task_sighand(p, &flags);
}
@ -293,10 +293,12 @@ static void render_cap_t(struct seq_file *m, const char *header,
static inline void task_cap(struct seq_file *m, struct task_struct *p)
{
render_cap_t(m, "CapInh:\t", &p->cap_inheritable);
render_cap_t(m, "CapPrm:\t", &p->cap_permitted);
render_cap_t(m, "CapEff:\t", &p->cap_effective);
render_cap_t(m, "CapBnd:\t", &p->cap_bset);
struct cred *cred = p->cred;
render_cap_t(m, "CapInh:\t", &cred->cap_inheritable);
render_cap_t(m, "CapPrm:\t", &cred->cap_permitted);
render_cap_t(m, "CapEff:\t", &cred->cap_effective);
render_cap_t(m, "CapBnd:\t", &cred->cap_bset);
}
static inline void task_context_switch_counts(struct seq_file *m,