Commit ff2bb047 authored by James Morris's avatar James Morris

Merge branch 'master' of git://git.infradead.org/users/eparis/selinux into next

Per pull request, for 3.5.
parents cffee16e c737f828
......@@ -681,7 +681,7 @@ static struct file *__dentry_open(struct dentry *dentry, struct vfsmount *mnt,
f->f_op = fops_get(inode->i_fop);
error = security_dentry_open(f, cred);
error = security_file_open(f, cred);
if (error)
goto cleanup_all;
......
......@@ -53,7 +53,6 @@ struct common_audit_data {
#define LSM_AUDIT_DATA_KMOD 8
#define LSM_AUDIT_DATA_INODE 9
#define LSM_AUDIT_DATA_DENTRY 10
struct task_struct *tsk;
union {
struct path path;
struct dentry *dentry;
......@@ -93,11 +92,6 @@ int ipv4_skb_to_auditdata(struct sk_buff *skb,
int ipv6_skb_to_auditdata(struct sk_buff *skb,
struct common_audit_data *ad, u8 *proto);
/* Initialize an LSM audit data structure. */
#define COMMON_AUDIT_DATA_INIT(_d, _t) \
{ memset((_d), 0, sizeof(struct common_audit_data)); \
(_d)->type = LSM_AUDIT_DATA_##_t; }
void common_lsm_audit(struct common_audit_data *a,
void (*pre_audit)(struct audit_buffer *, void *),
void (*post_audit)(struct audit_buffer *, void *));
......
......@@ -640,10 +640,7 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
* to receive an open file descriptor via socket IPC.
* @file contains the file structure being received.
* Return 0 if permission is granted.
*
* Security hook for dentry
*
* @dentry_open
* @file_open
* Save open-time permission checking state for later use upon
* file_permission, and recheck access if anything has changed
* since inode_permission.
......@@ -1498,7 +1495,7 @@ struct security_operations {
int (*file_send_sigiotask) (struct task_struct *tsk,
struct fown_struct *fown, int sig);
int (*file_receive) (struct file *file);
int (*dentry_open) (struct file *file, const struct cred *cred);
int (*file_open) (struct file *file, const struct cred *cred);
int (*task_create) (unsigned long clone_flags);
void (*task_free) (struct task_struct *task);
......@@ -1757,7 +1754,7 @@ int security_file_set_fowner(struct file *file);
int security_file_send_sigiotask(struct task_struct *tsk,
struct fown_struct *fown, int sig);
int security_file_receive(struct file *file);
int security_dentry_open(struct file *file, const struct cred *cred);
int security_file_open(struct file *file, const struct cred *cred);
int security_task_create(unsigned long clone_flags);
void security_task_free(struct task_struct *task);
int security_cred_alloc_blank(struct cred *cred, gfp_t gfp);
......@@ -2228,8 +2225,8 @@ static inline int security_file_receive(struct file *file)
return 0;
}
static inline int security_dentry_open(struct file *file,
const struct cred *cred)
static inline int security_file_open(struct file *file,
const struct cred *cred)
{
return 0;
}
......
......@@ -26,6 +26,7 @@
#include <linux/cache.h>
#include <linux/audit.h>
#include <net/dst.h>
#include <net/flow.h>
#include <net/xfrm.h>
#include <net/ip.h>
#ifdef CONFIG_XFRM_STATISTICS
......
......@@ -111,7 +111,7 @@ static const char *const aa_audit_type[] = {
static void audit_pre(struct audit_buffer *ab, void *ca)
{
struct common_audit_data *sa = ca;
struct task_struct *tsk = sa->tsk ? sa->tsk : current;
struct task_struct *tsk = sa->aad->tsk ? sa->aad->tsk : current;
if (aa_g_audit_header) {
audit_log_format(ab, "apparmor=");
......@@ -149,6 +149,12 @@ static void audit_pre(struct audit_buffer *ab, void *ca)
audit_log_format(ab, " name=");
audit_log_untrustedstring(ab, sa->aad->name);
}
if (sa->aad->tsk) {
audit_log_format(ab, " pid=%d comm=", tsk->pid);
audit_log_untrustedstring(ab, tsk->comm);
}
}
/**
......@@ -205,7 +211,8 @@ int aa_audit(int type, struct aa_profile *profile, gfp_t gfp,
aa_audit_msg(type, sa, cb);
if (sa->aad->type == AUDIT_APPARMOR_KILL)
(void)send_sig_info(SIGKILL, NULL, sa->tsk ? sa->tsk : current);
(void)send_sig_info(SIGKILL, NULL,
sa->aad->tsk ? sa->aad->tsk : current);
if (sa->aad->type == AUDIT_APPARMOR_ALLOWED)
return complain_error(sa->aad->error);
......
......@@ -65,10 +65,10 @@ static int audit_caps(struct aa_profile *profile, struct task_struct *task,
int type = AUDIT_APPARMOR_AUTO;
struct common_audit_data sa;
struct apparmor_audit_data aad = {0,};
COMMON_AUDIT_DATA_INIT(&sa, CAP);
sa.type = LSM_AUDIT_DATA_CAP;
sa.aad = &aad;
sa.tsk = task;
sa.u.cap = cap;
sa.aad->tsk = task;
sa.aad->op = OP_CAPABLE;
sa.aad->error = error;
......
......@@ -108,7 +108,7 @@ int aa_audit_file(struct aa_profile *profile, struct file_perms *perms,
int type = AUDIT_APPARMOR_AUTO;
struct common_audit_data sa;
struct apparmor_audit_data aad = {0,};
COMMON_AUDIT_DATA_INIT(&sa, NONE);
sa.type = LSM_AUDIT_DATA_NONE;
sa.aad = &aad;
aad.op = op,
aad.fs.request = request;
......
......@@ -110,6 +110,7 @@ struct apparmor_audit_data {
void *profile;
const char *name;
const char *info;
struct task_struct *tsk;
union {
void *target;
struct {
......
......@@ -42,7 +42,7 @@ static int aa_audit_ptrace(struct aa_profile *profile,
{
struct common_audit_data sa;
struct apparmor_audit_data aad = {0,};
COMMON_AUDIT_DATA_INIT(&sa, NONE);
sa.type = LSM_AUDIT_DATA_NONE;
sa.aad = &aad;
aad.op = OP_PTRACE;
aad.target = target;
......
......@@ -66,7 +66,7 @@ void aa_info_message(const char *str)
if (audit_enabled) {
struct common_audit_data sa;
struct apparmor_audit_data aad = {0,};
COMMON_AUDIT_DATA_INIT(&sa, NONE);
sa.type = LSM_AUDIT_DATA_NONE;
sa.aad = &aad;
aad.info = str;
aa_audit_msg(AUDIT_APPARMOR_STATUS, &sa, NULL);
......
......@@ -373,7 +373,7 @@ static int apparmor_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
AA_MAY_META_READ);
}
static int apparmor_dentry_open(struct file *file, const struct cred *cred)
static int apparmor_file_open(struct file *file, const struct cred *cred)
{
struct aa_file_cxt *fcxt = file->f_security;
struct aa_profile *profile;
......@@ -589,7 +589,7 @@ static int apparmor_setprocattr(struct task_struct *task, char *name,
} else {
struct common_audit_data sa;
struct apparmor_audit_data aad = {0,};
COMMON_AUDIT_DATA_INIT(&sa, NONE);
sa.type = LSM_AUDIT_DATA_NONE;
sa.aad = &aad;
aad.op = OP_SETPROCATTR;
aad.info = name;
......@@ -640,9 +640,9 @@ static struct security_operations apparmor_ops = {
.path_chmod = apparmor_path_chmod,
.path_chown = apparmor_path_chown,
.path_truncate = apparmor_path_truncate,
.dentry_open = apparmor_dentry_open,
.inode_getattr = apparmor_inode_getattr,
.file_open = apparmor_file_open,
.file_permission = apparmor_file_permission,
.file_alloc_security = apparmor_file_alloc_security,
.file_free_security = apparmor_file_free_security,
......
......@@ -969,7 +969,7 @@ static int audit_policy(int op, gfp_t gfp, const char *name, const char *info,
{
struct common_audit_data sa;
struct apparmor_audit_data aad = {0,};
COMMON_AUDIT_DATA_INIT(&sa, NONE);
sa.type = LSM_AUDIT_DATA_NONE;
sa.aad = &aad;
aad.op = op;
aad.name = name;
......
......@@ -95,7 +95,7 @@ static int audit_iface(struct aa_profile *new, const char *name,
struct aa_profile *profile = __aa_current_profile();
struct common_audit_data sa;
struct apparmor_audit_data aad = {0,};
COMMON_AUDIT_DATA_INIT(&sa, NONE);
sa.type = LSM_AUDIT_DATA_NONE;
sa.aad = &aad;
if (e)
aad.iface.pos = e->pos - e->start;
......
......@@ -52,7 +52,7 @@ static int audit_resource(struct aa_profile *profile, unsigned int resource,
struct common_audit_data sa;
struct apparmor_audit_data aad = {0,};
COMMON_AUDIT_DATA_INIT(&sa, NONE);
sa.type = LSM_AUDIT_DATA_NONE;
sa.aad = &aad;
aad.op = OP_SETRLIMIT,
aad.rlim.rlim = resource;
......
......@@ -348,7 +348,7 @@ static int cap_file_receive(struct file *file)
return 0;
}
static int cap_dentry_open(struct file *file, const struct cred *cred)
static int cap_file_open(struct file *file, const struct cred *cred)
{
return 0;
}
......@@ -956,7 +956,7 @@ void __init security_fixup_ops(struct security_operations *ops)
set_to_cap_if_null(ops, file_set_fowner);
set_to_cap_if_null(ops, file_send_sigiotask);
set_to_cap_if_null(ops, file_receive);
set_to_cap_if_null(ops, dentry_open);
set_to_cap_if_null(ops, file_open);
set_to_cap_if_null(ops, task_create);
set_to_cap_if_null(ops, task_free);
set_to_cap_if_null(ops, cred_alloc_blank);
......
......@@ -213,12 +213,15 @@ static void dump_common_audit_data(struct audit_buffer *ab,
{
struct task_struct *tsk = current;
if (a->tsk)
tsk = a->tsk;
if (tsk && tsk->pid) {
audit_log_format(ab, " pid=%d comm=", tsk->pid);
audit_log_untrustedstring(ab, tsk->comm);
}
/*
* To keep stack sizes in check force programers to notice if they
* start making this union too large! See struct lsm_network_audit
* as an example of how to deal with large data.
*/
BUILD_BUG_ON(sizeof(a->u) > sizeof(void *)*2);
audit_log_format(ab, " pid=%d comm=", tsk->pid);
audit_log_untrustedstring(ab, tsk->comm);
switch (a->type) {
case LSM_AUDIT_DATA_NONE:
......
......@@ -701,11 +701,11 @@ int security_file_receive(struct file *file)
return security_ops->file_receive(file);
}
int security_dentry_open(struct file *file, const struct cred *cred)
int security_file_open(struct file *file, const struct cred *cred)
{
int ret;
ret = security_ops->dentry_open(file, cred);
ret = security_ops->file_open(file, cred);
if (ret)
return ret;
......
......@@ -65,14 +65,8 @@ struct avc_cache {
};
struct avc_callback_node {
int (*callback) (u32 event, u32 ssid, u32 tsid,
u16 tclass, u32 perms,
u32 *out_retained);
int (*callback) (u32 event);
u32 events;
u32 ssid;
u32 tsid;
u16 tclass;
u32 perms;
struct avc_callback_node *next;
};
......@@ -436,9 +430,9 @@ static void avc_audit_pre_callback(struct audit_buffer *ab, void *a)
{
struct common_audit_data *ad = a;
audit_log_format(ab, "avc: %s ",
ad->selinux_audit_data->slad->denied ? "denied" : "granted");
avc_dump_av(ab, ad->selinux_audit_data->slad->tclass,
ad->selinux_audit_data->slad->audited);
ad->selinux_audit_data->denied ? "denied" : "granted");
avc_dump_av(ab, ad->selinux_audit_data->tclass,
ad->selinux_audit_data->audited);
audit_log_format(ab, " for ");
}
......@@ -452,25 +446,23 @@ static void avc_audit_post_callback(struct audit_buffer *ab, void *a)
{
struct common_audit_data *ad = a;
audit_log_format(ab, " ");
avc_dump_query(ab, ad->selinux_audit_data->slad->ssid,
ad->selinux_audit_data->slad->tsid,
ad->selinux_audit_data->slad->tclass);
avc_dump_query(ab, ad->selinux_audit_data->ssid,
ad->selinux_audit_data->tsid,
ad->selinux_audit_data->tclass);
}
/* This is the slow part of avc audit with big stack footprint */
static noinline int slow_avc_audit(u32 ssid, u32 tsid, u16 tclass,
noinline int slow_avc_audit(u32 ssid, u32 tsid, u16 tclass,
u32 requested, u32 audited, u32 denied,
struct common_audit_data *a,
unsigned flags)
{
struct common_audit_data stack_data;
struct selinux_audit_data sad = {0,};
struct selinux_late_audit_data slad;
struct selinux_audit_data sad;
if (!a) {
a = &stack_data;
COMMON_AUDIT_DATA_INIT(a, NONE);
a->selinux_audit_data = &sad;
a->type = LSM_AUDIT_DATA_NONE;
}
/*
......@@ -484,104 +476,34 @@ static noinline int slow_avc_audit(u32 ssid, u32 tsid, u16 tclass,
(flags & MAY_NOT_BLOCK))
return -ECHILD;
slad.tclass = tclass;
slad.requested = requested;
slad.ssid = ssid;
slad.tsid = tsid;
slad.audited = audited;
slad.denied = denied;
sad.tclass = tclass;
sad.requested = requested;
sad.ssid = ssid;
sad.tsid = tsid;
sad.audited = audited;
sad.denied = denied;
a->selinux_audit_data = &sad;
a->selinux_audit_data->slad = &slad;
common_lsm_audit(a, avc_audit_pre_callback, avc_audit_post_callback);
return 0;
}
/**
* avc_audit - Audit the granting or denial of permissions.
* @ssid: source security identifier
* @tsid: target security identifier
* @tclass: target security class
* @requested: requested permissions
* @avd: access vector decisions
* @result: result from avc_has_perm_noaudit
* @a: auxiliary audit data
* @flags: VFS walk flags
*
* Audit the granting or denial of permissions in accordance
* with the policy. This function is typically called by
* avc_has_perm() after a permission check, but can also be
* called directly by callers who use avc_has_perm_noaudit()
* in order to separate the permission check from the auditing.
* For example, this separation is useful when the permission check must
* be performed under a lock, to allow the lock to be released
* before calling the auditing code.
*/
inline int avc_audit(u32 ssid, u32 tsid,
u16 tclass, u32 requested,
struct av_decision *avd, int result, struct common_audit_data *a,
unsigned flags)
{
u32 denied, audited;
denied = requested & ~avd->allowed;
if (unlikely(denied)) {
audited = denied & avd->auditdeny;
/*
* a->selinux_audit_data->auditdeny is TRICKY! Setting a bit in
* this field means that ANY denials should NOT be audited if
* the policy contains an explicit dontaudit rule for that
* permission. Take notice that this is unrelated to the
* actual permissions that were denied. As an example lets
* assume:
*
* denied == READ
* avd.auditdeny & ACCESS == 0 (not set means explicit rule)
* selinux_audit_data->auditdeny & ACCESS == 1
*
* We will NOT audit the denial even though the denied
* permission was READ and the auditdeny checks were for
* ACCESS
*/
if (a &&
a->selinux_audit_data->auditdeny &&
!(a->selinux_audit_data->auditdeny & avd->auditdeny))
audited = 0;
} else if (result)
audited = denied = requested;
else
audited = requested & avd->auditallow;
if (likely(!audited))
return 0;
return slow_avc_audit(ssid, tsid, tclass,
requested, audited, denied,
a, flags);
}
/**
* avc_add_callback - Register a callback for security events.
* @callback: callback function
* @events: security events
* @ssid: source security identifier or %SECSID_WILD
* @tsid: target security identifier or %SECSID_WILD
* @tclass: target security class
* @perms: permissions
*
* Register a callback function for events in the set @events
* related to the SID pair (@ssid, @tsid)
* and the permissions @perms, interpreting
* @perms based on @tclass. Returns %0 on success or
* -%ENOMEM if insufficient memory exists to add the callback.
* Register a callback function for events in the set @events.
* Returns %0 on success or -%ENOMEM if insufficient memory
* exists to add the callback.
*/
int avc_add_callback(int (*callback)(u32 event, u32 ssid, u32 tsid,
u16 tclass, u32 perms,
u32 *out_retained),
u32 events, u32 ssid, u32 tsid,
u16 tclass, u32 perms)
int __init avc_add_callback(int (*callback)(u32 event), u32 events)
{
struct avc_callback_node *c;
int rc = 0;
c = kmalloc(sizeof(*c), GFP_ATOMIC);
c = kmalloc(sizeof(*c), GFP_KERNEL);
if (!c) {
rc = -ENOMEM;
goto out;
......@@ -589,9 +511,6 @@ int avc_add_callback(int (*callback)(u32 event, u32 ssid, u32 tsid,
c->callback = callback;
c->events = events;
c->ssid = ssid;
c->tsid = tsid;
c->perms = perms;
c->next = avc_callbacks;
avc_callbacks = c;
out:
......@@ -731,8 +650,7 @@ int avc_ss_reset(u32 seqno)
for (c = avc_callbacks; c; c = c->next) {
if (c->events & AVC_CALLBACK_RESET) {
tmprc = c->callback(AVC_CALLBACK_RESET,
0, 0, 0, 0, NULL);
tmprc = c->callback(AVC_CALLBACK_RESET);
/* save the first error encountered for the return
value and continue processing the callbacks */
if (!rc)
......
This diff is collapsed.
......@@ -49,7 +49,7 @@ struct avc_cache_stats {
/*
* We only need this data after we have decided to send an audit message.
*/
struct selinux_late_audit_data {
struct selinux_audit_data {
u32 ssid;
u32 tsid;
u16 tclass;
......@@ -59,29 +59,87 @@ struct selinux_late_audit_data {
int result;
};
/*
* We collect this at the beginning or during an selinux security operation
*/
struct selinux_audit_data {
/*
* auditdeny is a bit tricky and unintuitive. See the
* comments in avc.c for it's meaning and usage.
*/
u32 auditdeny;
struct selinux_late_audit_data *slad;
};
/*
* AVC operations
*/
void __init avc_init(void);
int avc_audit(u32 ssid, u32 tsid,
u16 tclass, u32 requested,
struct av_decision *avd,
int result,
struct common_audit_data *a, unsigned flags);
static inline u32 avc_audit_required(u32 requested,
struct av_decision *avd,
int result,
u32 auditdeny,
u32 *deniedp)
{
u32 denied, audited;
denied = requested & ~avd->allowed;
if (unlikely(denied)) {
audited = denied & avd->auditdeny;
/*
* auditdeny is TRICKY! Setting a bit in
* this field means that ANY denials should NOT be audited if
* the policy contains an explicit dontaudit rule for that
* permission. Take notice that this is unrelated to the
* actual permissions that were denied. As an example lets
* assume:
*
* denied == READ
* avd.auditdeny & ACCESS == 0 (not set means explicit rule)
* auditdeny & ACCESS == 1
*
* We will NOT audit the denial even though the denied
* permission was READ and the auditdeny checks were for
* ACCESS
*/
if (auditdeny && !(auditdeny & avd->auditdeny))
audited = 0;
} else if (result)
audited = denied = requested;
else
audited = requested & avd->auditallow;
*deniedp = denied;
return audited;
}
int slow_avc_audit(u32 ssid, u32 tsid, u16 tclass,
u32 requested, u32 audited, u32 denied,
struct common_audit_data *a,
unsigned flags);
/**
* avc_audit - Audit the granting or denial of permissions.
* @ssid: source security identifier
* @tsid: target security identifier
* @tclass: target security class
* @requested: requested permissions
* @avd: access vector decisions
* @result: result from avc_has_perm_noaudit
* @a: auxiliary audit data
* @flags: VFS walk flags
*
* Audit the granting or denial of permissions in accordance
* with the policy. This function is typically called by
* avc_has_perm() after a permission check, but can also be
* called directly by callers who use avc_has_perm_noaudit()
* in order to separate the permission check from the auditing.
* For example, this separation is useful when the permission check must
* be performed under a lock, to allow the lock to be released
* before calling the auditing code.
*/
static inline int avc_audit(u32 ssid, u32 tsid,
u16 tclass, u32 requested,
struct av_decision *avd,
int result,
struct common_audit_data *a, unsigned flags)
{
u32 audited, denied;
audited = avc_audit_required(requested, avd, result, 0, &denied);
if (likely(!audited))
return 0;
return slow_avc_audit(ssid, tsid, tclass,
requested, audited, denied,
a, flags);
}
#define AVC_STRICT 1 /* Ignore permissive mode. */
int avc_has_perm_noaudit(u32 ssid, u32 tsid,
......@@ -112,11 +170,7 @@ u32 avc_policy_seqno(void);
#define AVC_CALLBACK_AUDITDENY_ENABLE 64
#define AVC_CALLBACK_AUDITDENY_DISABLE 128
int avc_add_callback(int (*callback)(u32 event, u32 ssid, u32 tsid,
u16 tclass, u32 perms,
u32 *out_retained),
u32 events, u32 ssid, u32 tsid,
u16 tclass, u32 perms);
int avc_add_callback(int (*callback)(u32 event), u32 events);
/* Exported to selinuxfs */
int avc_get_hash_stats(char *page);
......
......@@ -31,13 +31,15 @@
#define POLICYDB_VERSION_BOUNDARY 24
#define POLICYDB_VERSION_FILENAME_TRANS 25
#define POLICYDB_VERSION_ROLETRANS 26
#define POLICYDB_VERSION_NEW_OBJECT_DEFAULTS 27
#define POLICYDB_VERSION_DEFAULT_TYPE 28
/* Range of policy versions we understand*/
#define POLICYDB_VERSION_MIN POLICYDB_VERSION_BASE
#ifdef CONFIG_SECURITY_SELINUX_POLICYDB_VERSION_MAX
#define POLICYDB_VERSION_MAX CONFIG_SECURITY_SELINUX_POLICYDB_VERSION_MAX_VALUE
#else
#define POLICYDB_VERSION_MAX POLICYDB_VERSION_ROLETRANS
#define POLICYDB_VERSION_MAX POLICYDB_VERSION_DEFAULT_TYPE
#endif
/* Mask for just the mount related flags */
......
......@@ -252,8 +252,7 @@ static void sel_netif_flush(void)
spin_unlock_bh(&sel_netif_lock);
}
static int sel_netif_avc_callback(u32 event, u32 ssid, u32 tsid,
u16 class, u32 perms, u32 *retained)
static int sel_netif_avc_callback(u32 event)
{
if (event == AVC_CALLBACK_RESET) {
sel_netif_flush();
......@@ -292,8 +291,7 @@ static __init int sel_netif_init(void)
register_netdevice_notifier(&sel_netif_netdev_notifier);
err = avc_add_callback(sel_netif_avc_callback, AVC_CALLBACK_RESET,
SECSID_NULL, SECSID_NULL, SECCLASS_NULL, 0);
err = avc_add_callback(sel_netif_avc_callback, AVC_CALLBACK_RESET);
if (err)
panic("avc_add_callback() failed, error %d\n", err);
......
......@@ -297,8 +297,7 @@ static void sel_netnode_flush(void)
spin_unlock_bh(&sel_netnode_lock);
}
static int sel_netnode_avc_callback(u32 event, u32 ssid, u32 tsid,
u16 class, u32 perms, u32 *retained)
static int sel_netnode_avc_callback(u32 event)
{
if (event == AVC_CALLBACK_RESET) {
sel_netnode_flush();
......@@ -320,8 +319,7 @@ static __init int sel_netnode_init(void)
sel_netnode_hash[iter].size = 0;
}
ret = avc_add_callback(sel_netnode_avc_callback, AVC_CALLBACK_RESET,
SECSID_NULL, SECSID_NULL, SECCLASS_NULL, 0);
ret = avc_add_callback(sel_netnode_avc_callback, AVC_CALLBACK_RESET);
if (ret != 0)
panic("avc_add_callback() failed, error %d\n", ret);
......
......@@ -234,8 +234,7 @@ static void sel_netport_flush(void)
spin_unlock_bh(&sel_netport_lock);
}
static int sel_netport_avc_callback(u32 event, u32 ssid, u32 tsid,
u16 class, u32 perms, u32 *retained)
static int sel_netport_avc_callback(u32 event)
{
if (event == AVC_CALLBACK_RESET) {
sel_netport_flush();
......@@ -257,8 +256,7 @@ static __init int sel_netport_init(void)
sel_netport_hash[iter].size = 0;
}
ret = avc_add_callback(sel_netport_avc_callback, AVC_CALLBACK_RESET,
SECSID_NULL, SECSID_NULL, SECCLASS_NULL, 0);
ret = avc_add_callback(sel_netport_avc_callback, AVC_CALLBACK_RESET);
if (ret != 0)
panic("avc_add_callback() failed, error %d\n", ret);
......
......@@ -496,6 +496,7 @@ static const struct file_operations sel_policy_ops = {
.read = sel_read_policy,
.mmap = sel_mmap_policy,
.release = sel_release_policy,
.llseek = generic_file_llseek,
};
static ssize_t sel_write_load(struct file *file, const char __user *buf,
......@@ -1232,6 +1233,7 @@ static int sel_make_bools(void)
kfree(bool_pending_names[i]);
kfree(bool_pending_names);
kfree(bool_pending_values);
bool_num = 0;
bool_pending_names = NULL;
bool_pending_values = NULL;
......@@ -1532,11 +1534,6 @@ static int sel_make_initcon_files(struct dentry *dir)
return 0;
}
static inline unsigned int sel_div(unsigned long a, unsigned long b)
{
return a / b - (a % b < 0);
}
static inline unsigned long sel_class_to_ino(u16 class)
{
return (class * (SEL_VEC_MAX + 1)) | SEL_CLASS_INO_OFFSET;
......@@ -1544,7 +1541,7 @@ static inline unsigned long sel_class_to_ino(u16 class)
static inline u16 sel_ino_to_class(unsigned long ino)
{
return sel_div(ino & SEL_INO_MASK, SEL_VEC_MAX + 1);
return (ino & SEL_INO_MASK) / (SEL_VEC_MAX + 1);
}
static inline unsigned long sel_perm_to_ino(u16 class, u32 perm)
......@@ -1831,7 +1828,7 @@ static int sel_fill_super(struct super_block *sb, void *data, int silent)
[SEL_REJECT_UNKNOWN] = {"reject_unknown", &sel_handle_unknown_ops, S_IRUGO},
[SEL_DENY_UNKNOWN] = {"deny_unknown", &sel_handle_unknown_ops, S_IRUGO},
[SEL_STATUS] = {"status", &sel_handle_status_ops, S_IRUGO},
[SEL_POLICY] = {"policy", &sel_policy_ops, S_IRUSR},
[SEL_POLICY] = {"policy", &sel_policy_ops, S_IRUGO},
/* last one */ {""}
};
ret = simple_fill_super(sb, SELINUX_MAGIC, selinux_files);
......