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[PATCH] sysctl: remove the proc_dir_entry member for the sysctl tables

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It isn't needed anymore, all of the users are gone, and all of the ctl_table
initializers have been converted to use explicit names of the fields they are
initializing.

[akpm@osdl.org: NTFS fix]
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Acked-by: Stephen Smalley <sds@tycho.nsa.gov>
Cc: James Morris <jmorris@namei.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Eric W. Biederman
2007-02-14 00:34:14 -08:00
committed by Linus Torvalds
parent d912b0cc1a
commit 3fbfa98112
6 changed files with 37 additions and 26 deletions
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39
security/selinux/hooks.c
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@@ -1423,6 +1423,41 @@ static int selinux_capable(struct task_struct *tsk, int cap)
return task_has_capability(tsk,cap);
}
static int selinux_sysctl_get_sid(ctl_table *table, u16 tclass, u32 *sid)
{
int buflen, rc;
char *buffer, *path, *end;
rc = -ENOMEM;
buffer = (char*)__get_free_page(GFP_KERNEL);
if (!buffer)
goto out;
buflen = PAGE_SIZE;
end = buffer+buflen;
*--end = '\0';
buflen--;
path = end-1;
*path = '/';
while (table) {
const char *name = table->procname;
size_t namelen = strlen(name);
buflen -= namelen + 1;
if (buflen < 0)
goto out_free;
end -= namelen;
memcpy(end, name, namelen);
*--end = '/';
path = end;
table = table->parent;
}
rc = security_genfs_sid("proc", path, tclass, sid);
out_free:
free_page((unsigned long)buffer);
out:
return rc;
}
static int selinux_sysctl(ctl_table *table, int op)
{
int error = 0;
@@ -1437,8 +1472,8 @@ static int selinux_sysctl(ctl_table *table, int op)
tsec = current->security;
rc = selinux_proc_get_sid(table->de, (op == 001) ?
SECCLASS_DIR : SECCLASS_FILE, &tsid);
rc = selinux_sysctl_get_sid(table, (op == 0001) ?
SECCLASS_DIR : SECCLASS_FILE, &tsid);
if (rc) {
/* Default to the well-defined sysctl SID. */
tsid = SECINITSID_SYSCTL;