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-rw-r--r--security/selinux/ss/services.c292
1 files changed, 166 insertions, 126 deletions
diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c
index 3f2bad28ee7..2daaddbb301 100644
--- a/security/selinux/ss/services.c
+++ b/security/selinux/ss/services.c
@@ -2,7 +2,7 @@
* Implementation of the security services.
*
* Authors : Stephen Smalley, <sds@epoch.ncsc.mil>
- * James Morris <jmorris@redhat.com>
+ * James Morris <jmorris@redhat.com>
*
* Updated: Trusted Computer Solutions, Inc. <dgoeddel@trustedcs.com>
*
@@ -11,7 +11,7 @@
*
* Updated: Frank Mayer <mayerf@tresys.com> and Karl MacMillan <kmacmillan@tresys.com>
*
- * Added conditional policy language extensions
+ * Added conditional policy language extensions
*
* Updated: Hewlett-Packard <paul.moore@hp.com>
*
@@ -27,7 +27,7 @@
* Copyright (C) 2003 - 2004, 2006 Tresys Technology, LLC
* Copyright (C) 2003 Red Hat, Inc., James Morris <jmorris@redhat.com>
* This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
+ * it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 2.
*/
#include <linux/kernel.h>
@@ -40,6 +40,7 @@
#include <linux/sched.h>
#include <linux/audit.h>
#include <linux/mutex.h>
+#include <linux/selinux.h>
#include <net/netlabel.h>
#include "flask.h"
@@ -56,11 +57,13 @@
#include "netlabel.h"
#include "xfrm.h"
#include "ebitmap.h"
+#include "audit.h"
extern void selnl_notify_policyload(u32 seqno);
unsigned int policydb_loaded_version;
int selinux_policycap_netpeer;
+int selinux_policycap_openperm;
/*
* This is declared in avc.c
@@ -79,7 +82,7 @@ static DEFINE_MUTEX(load_mutex);
static struct sidtab sidtab;
struct policydb policydb;
-int ss_initialized = 0;
+int ss_initialized;
/*
* The largest sequence number that has been used when
@@ -87,7 +90,7 @@ int ss_initialized = 0;
* The sequence number only changes when a policy change
* occurs.
*/
-static u32 latest_granting = 0;
+static u32 latest_granting;
/* Forward declaration. */
static int context_struct_to_string(struct context *context, char **scontext,
@@ -160,10 +163,10 @@ static int constraint_expr_eval(struct context *scontext,
val1 - 1);
continue;
case CEXPR_INCOMP:
- s[++sp] = ( !ebitmap_get_bit(&r1->dominates,
- val2 - 1) &&
- !ebitmap_get_bit(&r2->dominates,
- val1 - 1) );
+ s[++sp] = (!ebitmap_get_bit(&r1->dominates,
+ val2 - 1) &&
+ !ebitmap_get_bit(&r2->dominates,
+ val1 - 1));
continue;
default:
break;
@@ -406,20 +409,46 @@ static int context_struct_compute_av(struct context *scontext,
}
if (!ra)
avd->allowed = (avd->allowed) & ~(PROCESS__TRANSITION |
- PROCESS__DYNTRANSITION);
+ PROCESS__DYNTRANSITION);
}
return 0;
inval_class:
- printk(KERN_ERR "%s: unrecognized class %d\n", __FUNCTION__, tclass);
+ printk(KERN_ERR "SELinux: %s: unrecognized class %d\n", __func__,
+ tclass);
return -EINVAL;
}
+/*
+ * Given a sid find if the type has the permissive flag set
+ */
+int security_permissive_sid(u32 sid)
+{
+ struct context *context;
+ u32 type;
+ int rc;
+
+ POLICY_RDLOCK;
+
+ context = sidtab_search(&sidtab, sid);
+ BUG_ON(!context);
+
+ type = context->type;
+ /*
+ * we are intentionally using type here, not type-1, the 0th bit may
+ * someday indicate that we are globally setting permissive in policy.
+ */
+ rc = ebitmap_get_bit(&policydb.permissive_map, type);
+
+ POLICY_RDUNLOCK;
+ return rc;
+}
+
static int security_validtrans_handle_fail(struct context *ocontext,
- struct context *ncontext,
- struct context *tcontext,
- u16 tclass)
+ struct context *ncontext,
+ struct context *tcontext,
+ u16 tclass)
{
char *o = NULL, *n = NULL, *t = NULL;
u32 olen, nlen, tlen;
@@ -431,9 +460,9 @@ static int security_validtrans_handle_fail(struct context *ocontext,
if (context_struct_to_string(tcontext, &t, &tlen) < 0)
goto out;
audit_log(current->audit_context, GFP_ATOMIC, AUDIT_SELINUX_ERR,
- "security_validate_transition: denied for"
- " oldcontext=%s newcontext=%s taskcontext=%s tclass=%s",
- o, n, t, policydb.p_class_val_to_name[tclass-1]);
+ "security_validate_transition: denied for"
+ " oldcontext=%s newcontext=%s taskcontext=%s tclass=%s",
+ o, n, t, policydb.p_class_val_to_name[tclass-1]);
out:
kfree(o);
kfree(n);
@@ -445,7 +474,7 @@ out:
}
int security_validate_transition(u32 oldsid, u32 newsid, u32 tasksid,
- u16 tclass)
+ u16 tclass)
{
struct context *ocontext;
struct context *ncontext;
@@ -471,8 +500,8 @@ int security_validate_transition(u32 oldsid, u32 newsid, u32 tasksid,
tclass = SECCLASS_NETLINK_SOCKET;
if (!tclass || tclass > policydb.p_classes.nprim) {
- printk(KERN_ERR "security_validate_transition: "
- "unrecognized class %d\n", tclass);
+ printk(KERN_ERR "SELinux: %s: unrecognized class %d\n",
+ __func__, tclass);
rc = -EINVAL;
goto out;
}
@@ -480,24 +509,24 @@ int security_validate_transition(u32 oldsid, u32 newsid, u32 tasksid,
ocontext = sidtab_search(&sidtab, oldsid);
if (!ocontext) {
- printk(KERN_ERR "security_validate_transition: "
- " unrecognized SID %d\n", oldsid);
+ printk(KERN_ERR "SELinux: %s: unrecognized SID %d\n",
+ __func__, oldsid);
rc = -EINVAL;
goto out;
}
ncontext = sidtab_search(&sidtab, newsid);
if (!ncontext) {
- printk(KERN_ERR "security_validate_transition: "
- " unrecognized SID %d\n", newsid);
+ printk(KERN_ERR "SELinux: %s: unrecognized SID %d\n",
+ __func__, newsid);
rc = -EINVAL;
goto out;
}
tcontext = sidtab_search(&sidtab, tasksid);
if (!tcontext) {
- printk(KERN_ERR "security_validate_transition: "
- " unrecognized SID %d\n", tasksid);
+ printk(KERN_ERR "SELinux: %s: unrecognized SID %d\n",
+ __func__, tasksid);
rc = -EINVAL;
goto out;
}
@@ -505,9 +534,9 @@ int security_validate_transition(u32 oldsid, u32 newsid, u32 tasksid,
constraint = tclass_datum->validatetrans;
while (constraint) {
if (!constraint_expr_eval(ocontext, ncontext, tcontext,
- constraint->expr)) {
+ constraint->expr)) {
rc = security_validtrans_handle_fail(ocontext, ncontext,
- tcontext, tclass);
+ tcontext, tclass);
goto out;
}
constraint = constraint->next;
@@ -553,15 +582,15 @@ int security_compute_av(u32 ssid,
scontext = sidtab_search(&sidtab, ssid);
if (!scontext) {
- printk(KERN_ERR "security_compute_av: unrecognized SID %d\n",
- ssid);
+ printk(KERN_ERR "SELinux: %s: unrecognized SID %d\n",
+ __func__, ssid);
rc = -EINVAL;
goto out;
}
tcontext = sidtab_search(&sidtab, tsid);
if (!tcontext) {
- printk(KERN_ERR "security_compute_av: unrecognized SID %d\n",
- tsid);
+ printk(KERN_ERR "SELinux: %s: unrecognized SID %d\n",
+ __func__, tsid);
rc = -EINVAL;
goto out;
}
@@ -595,9 +624,8 @@ static int context_struct_to_string(struct context *context, char **scontext, u3
/* Allocate space for the context; caller must free this space. */
scontextp = kmalloc(*scontext_len, GFP_ATOMIC);
- if (!scontextp) {
+ if (!scontextp)
return -ENOMEM;
- }
*scontext = scontextp;
/*
@@ -608,8 +636,8 @@ static int context_struct_to_string(struct context *context, char **scontext, u3
policydb.p_role_val_to_name[context->role - 1],
policydb.p_type_val_to_name[context->type - 1]);
scontextp += strlen(policydb.p_user_val_to_name[context->user - 1]) +
- 1 + strlen(policydb.p_role_val_to_name[context->role - 1]) +
- 1 + strlen(policydb.p_type_val_to_name[context->type - 1]);
+ 1 + strlen(policydb.p_role_val_to_name[context->role - 1]) +
+ 1 + strlen(policydb.p_type_val_to_name[context->type - 1]);
mls_sid_to_context(context, &scontextp);
@@ -650,7 +678,7 @@ int security_sid_to_context(u32 sid, char **scontext, u32 *scontext_len)
char *scontextp;
*scontext_len = strlen(initial_sid_to_string[sid]) + 1;
- scontextp = kmalloc(*scontext_len,GFP_ATOMIC);
+ scontextp = kmalloc(*scontext_len, GFP_ATOMIC);
if (!scontextp) {
rc = -ENOMEM;
goto out;
@@ -659,16 +687,16 @@ int security_sid_to_context(u32 sid, char **scontext, u32 *scontext_len)
*scontext = scontextp;
goto out;
}
- printk(KERN_ERR "security_sid_to_context: called before initial "
- "load_policy on unknown SID %d\n", sid);
+ printk(KERN_ERR "SELinux: %s: called before initial "
+ "load_policy on unknown SID %d\n", __func__, sid);
rc = -EINVAL;
goto out;
}
POLICY_RDLOCK;
context = sidtab_search(&sidtab, sid);
if (!context) {
- printk(KERN_ERR "security_sid_to_context: unrecognized SID "
- "%d\n", sid);
+ printk(KERN_ERR "SELinux: %s: unrecognized SID %d\n",
+ __func__, sid);
rc = -EINVAL;
goto out_unlock;
}
@@ -898,15 +926,15 @@ static int security_compute_sid(u32 ssid,
scontext = sidtab_search(&sidtab, ssid);
if (!scontext) {
- printk(KERN_ERR "security_compute_sid: unrecognized SID %d\n",
- ssid);
+ printk(KERN_ERR "SELinux: %s: unrecognized SID %d\n",
+ __func__, ssid);
rc = -EINVAL;
goto out_unlock;
}
tcontext = sidtab_search(&sidtab, tsid);
if (!tcontext) {
- printk(KERN_ERR "security_compute_sid: unrecognized SID %d\n",
- tsid);
+ printk(KERN_ERR "SELinux: %s: unrecognized SID %d\n",
+ __func__, tsid);
rc = -EINVAL;
goto out_unlock;
}
@@ -946,7 +974,7 @@ static int security_compute_sid(u32 ssid,
avdatum = avtab_search(&policydb.te_avtab, &avkey);
/* If no permanent rule, also check for enabled conditional rules */
- if(!avdatum) {
+ if (!avdatum) {
node = avtab_search_node(&policydb.te_cond_avtab, &avkey);
for (; node != NULL; node = avtab_search_node_next(node, specified)) {
if (node->key.specified & AVTAB_ENABLED) {
@@ -1096,7 +1124,7 @@ static int validate_classes(struct policydb *p)
continue;
if (i > p->p_classes.nprim) {
printk(KERN_INFO
- "security: class %s not defined in policy\n",
+ "SELinux: class %s not defined in policy\n",
def_class);
if (p->reject_unknown)
return -EINVAL;
@@ -1107,7 +1135,7 @@ static int validate_classes(struct policydb *p)
pol_class = p->p_class_val_to_name[i-1];
if (strcmp(pol_class, def_class)) {
printk(KERN_ERR
- "security: class %d is incorrect, found %s but should be %s\n",
+ "SELinux: class %d is incorrect, found %s but should be %s\n",
i, pol_class, def_class);
return -EINVAL;
}
@@ -1125,7 +1153,7 @@ static int validate_classes(struct policydb *p)
nprim = 1 << (perms->nprim - 1);
if (perm_val > nprim) {
printk(KERN_INFO
- "security: permission %s in class %s not defined in policy\n",
+ "SELinux: permission %s in class %s not defined in policy\n",
def_perm, pol_class);
if (p->reject_unknown)
return -EINVAL;
@@ -1136,14 +1164,14 @@ static int validate_classes(struct policydb *p)
perdatum = hashtab_search(perms->table, def_perm);
if (perdatum == NULL) {
printk(KERN_ERR
- "security: permission %s in class %s not found in policy, bad policy\n",
+ "SELinux: permission %s in class %s not found in policy, bad policy\n",
def_perm, pol_class);
return -EINVAL;
}
pol_val = 1 << (perdatum->value - 1);
if (pol_val != perm_val) {
printk(KERN_ERR
- "security: permission %s in class %s has incorrect value\n",
+ "SELinux: permission %s in class %s has incorrect value\n",
def_perm, pol_class);
return -EINVAL;
}
@@ -1157,7 +1185,7 @@ static int validate_classes(struct policydb *p)
BUG_ON(!cladatum);
if (!cladatum->comdatum) {
printk(KERN_ERR
- "security: class %s should have an inherits clause but does not\n",
+ "SELinux: class %s should have an inherits clause but does not\n",
pol_class);
return -EINVAL;
}
@@ -1172,7 +1200,7 @@ static int validate_classes(struct policydb *p)
def_perm = kdefs->av_inherit[i].common_pts[j];
if (j >= perms->nprim) {
printk(KERN_INFO
- "security: permission %s in class %s not defined in policy\n",
+ "SELinux: permission %s in class %s not defined in policy\n",
def_perm, pol_class);
if (p->reject_unknown)
return -EINVAL;
@@ -1183,13 +1211,13 @@ static int validate_classes(struct policydb *p)
perdatum = hashtab_search(perms->table, def_perm);
if (perdatum == NULL) {
printk(KERN_ERR
- "security: permission %s in class %s not found in policy, bad policy\n",
+ "SELinux: permission %s in class %s not found in policy, bad policy\n",
def_perm, pol_class);
return -EINVAL;
}
if (perdatum->value != j + 1) {
printk(KERN_ERR
- "security: permission %s in class %s has incorrect value\n",
+ "SELinux: permission %s in class %s has incorrect value\n",
def_perm, pol_class);
return -EINVAL;
}
@@ -1219,7 +1247,7 @@ static inline int convert_context_handle_invalid_context(struct context *context
u32 len;
context_struct_to_string(context, &s, &len);
- printk(KERN_ERR "security: context %s is invalid\n", s);
+ printk(KERN_ERR "SELinux: context %s is invalid\n", s);
kfree(s);
}
return rc;
@@ -1260,26 +1288,23 @@ static int convert_context(u32 key,
/* Convert the user. */
usrdatum = hashtab_search(args->newp->p_users.table,
- args->oldp->p_user_val_to_name[c->user - 1]);
- if (!usrdatum) {
+ args->oldp->p_user_val_to_name[c->user - 1]);
+ if (!usrdatum)
goto bad;
- }
c->user = usrdatum->value;
/* Convert the role. */
role = hashtab_search(args->newp->p_roles.table,
- args->oldp->p_role_val_to_name[c->role - 1]);
- if (!role) {
+ args->oldp->p_role_val_to_name[c->role - 1]);
+ if (!role)
goto bad;
- }
c->role = role->value;
/* Convert the type. */
typdatum = hashtab_search(args->newp->p_types.table,
- args->oldp->p_type_val_to_name[c->type - 1]);
- if (!typdatum) {
+ args->oldp->p_type_val_to_name[c->type - 1]);
+ if (!typdatum)
goto bad;
- }
c->type = typdatum->value;
rc = mls_convert_context(args->oldp, args->newp, c);
@@ -1299,7 +1324,7 @@ out:
bad:
context_struct_to_string(&oldc, &s, &len);
context_destroy(&oldc);
- printk(KERN_ERR "security: invalidating context %s\n", s);
+ printk(KERN_ERR "SELinux: invalidating context %s\n", s);
kfree(s);
goto out;
}
@@ -1308,6 +1333,8 @@ static void security_load_policycaps(void)
{
selinux_policycap_netpeer = ebitmap_get_bit(&policydb.policycaps,
POLICYDB_CAPABILITY_NETPEER);
+ selinux_policycap_openperm = ebitmap_get_bit(&policydb.policycaps,
+ POLICYDB_CAPABILITY_OPENPERM);
}
extern void selinux_complete_init(void);
@@ -1350,7 +1377,7 @@ int security_load_policy(void *data, size_t len)
/* Verify that the kernel defined classes are correct. */
if (validate_classes(&policydb)) {
printk(KERN_ERR
- "security: the definition of a class is incorrect\n");
+ "SELinux: the definition of a class is incorrect\n");
LOAD_UNLOCK;
sidtab_destroy(&sidtab);
policydb_destroy(&policydb);
@@ -1384,14 +1411,14 @@ int security_load_policy(void *data, size_t len)
/* Verify that the kernel defined classes are correct. */
if (validate_classes(&newpolicydb)) {
printk(KERN_ERR
- "security: the definition of a class is incorrect\n");
+ "SELinux: the definition of a class is incorrect\n");
rc = -EINVAL;
goto err;
}
rc = security_preserve_bools(&newpolicydb);
if (rc) {
- printk(KERN_ERR "security: unable to preserve booleans\n");
+ printk(KERN_ERR "SELinux: unable to preserve booleans\n");
goto err;
}
@@ -1443,17 +1470,11 @@ err:
/**
* security_port_sid - Obtain the SID for a port.
- * @domain: communication domain aka address family
- * @type: socket type
* @protocol: protocol number
* @port: port number
* @out_sid: security identifier
*/
-int security_port_sid(u16 domain,
- u16 type,
- u8 protocol,
- u16 port,
- u32 *out_sid)
+int security_port_sid(u8 protocol, u16 port, u32 *out_sid)
{
struct ocontext *c;
int rc = 0;
@@ -1532,8 +1553,8 @@ static int match_ipv6_addrmask(u32 *input, u32 *addr, u32 *mask)
{
int i, fail = 0;
- for(i = 0; i < 4; i++)
- if(addr[i] != (input[i] & mask[i])) {
+ for (i = 0; i < 4; i++)
+ if (addr[i] != (input[i] & mask[i])) {
fail = 1;
break;
}
@@ -1632,7 +1653,7 @@ out:
*/
int security_get_user_sids(u32 fromsid,
- char *username,
+ char *username,
u32 **sids,
u32 *nel)
{
@@ -1742,7 +1763,7 @@ out:
* transition SIDs or task SIDs.
*/
int security_genfs_sid(const char *fstype,
- char *path,
+ char *path,
u16 sclass,
u32 *sid)
{
@@ -1857,7 +1878,7 @@ int security_get_bools(int *len, char ***names, int **values)
goto out;
}
- *names = kcalloc(*len, sizeof(char*), GFP_ATOMIC);
+ *names = kcalloc(*len, sizeof(char *), GFP_ATOMIC);
if (!*names)
goto err;
@@ -1869,7 +1890,7 @@ int security_get_bools(int *len, char ***names, int **values)
size_t name_len;
(*values)[i] = policydb.bool_val_to_struct[i]->state;
name_len = strlen(policydb.p_bool_val_to_name[i]) + 1;
- (*names)[i] = kmalloc(sizeof(char) * name_len, GFP_ATOMIC);
+ (*names)[i] = kmalloc(sizeof(char) * name_len, GFP_ATOMIC);
if (!(*names)[i])
goto err;
strncpy((*names)[i], policydb.p_bool_val_to_name[i], name_len);
@@ -1914,11 +1935,10 @@ int security_set_bools(int len, int *values)
audit_get_loginuid(current),
audit_get_sessionid(current));
}
- if (values[i]) {
+ if (values[i])
policydb.bool_val_to_struct[i]->state = 1;
- } else {
+ else
policydb.bool_val_to_struct[i]->state = 0;
- }
}
for (cur = policydb.cond_list; cur != NULL; cur = cur->next) {
@@ -2012,16 +2032,16 @@ int security_sid_mls_copy(u32 sid, u32 mls_sid, u32 *new_sid)
POLICY_RDLOCK;
context1 = sidtab_search(&sidtab, sid);
if (!context1) {
- printk(KERN_ERR "security_sid_mls_copy: unrecognized SID "
- "%d\n", sid);
+ printk(KERN_ERR "SELinux: %s: unrecognized SID %d\n",
+ __func__, sid);
rc = -EINVAL;
goto out_unlock;
}
context2 = sidtab_search(&sidtab, mls_sid);
if (!context2) {
- printk(KERN_ERR "security_sid_mls_copy: unrecognized SID "
- "%d\n", mls_sid);
+ printk(KERN_ERR "SELinux: %s: unrecognized SID %d\n",
+ __func__, mls_sid);
rc = -EINVAL;
goto out_unlock;
}
@@ -2112,17 +2132,15 @@ int security_net_peersid_resolve(u32 nlbl_sid, u32 nlbl_type,
nlbl_ctx = sidtab_search(&sidtab, nlbl_sid);
if (!nlbl_ctx) {
- printk(KERN_ERR
- "security_sid_mls_cmp: unrecognized SID %d\n",
- nlbl_sid);
+ printk(KERN_ERR "SELinux: %s: unrecognized SID %d\n",
+ __func__, nlbl_sid);
rc = -EINVAL;
goto out_slowpath;
}
xfrm_ctx = sidtab_search(&sidtab, xfrm_sid);
if (!xfrm_ctx) {
- printk(KERN_ERR
- "security_sid_mls_cmp: unrecognized SID %d\n",
- xfrm_sid);
+ printk(KERN_ERR "SELinux: %s: unrecognized SID %d\n",
+ __func__, xfrm_sid);
rc = -EINVAL;
goto out_slowpath;
}
@@ -2202,8 +2220,8 @@ int security_get_permissions(char *class, char ***perms, int *nperms)
match = hashtab_search(policydb.p_classes.table, class);
if (!match) {
- printk(KERN_ERR "%s: unrecognized class %s\n",
- __FUNCTION__, class);
+ printk(KERN_ERR "SELinux: %s: unrecognized class %s\n",
+ __func__, class);
rc = -EINVAL;
goto out;
}
@@ -2273,21 +2291,23 @@ struct selinux_audit_rule {
struct context au_ctxt;
};
-void selinux_audit_rule_free(struct selinux_audit_rule *rule)
+void selinux_audit_rule_free(void *vrule)
{
+ struct selinux_audit_rule *rule = vrule;
+
if (rule) {
context_destroy(&rule->au_ctxt);
kfree(rule);
}
}
-int selinux_audit_rule_init(u32 field, u32 op, char *rulestr,
- struct selinux_audit_rule **rule)
+int selinux_audit_rule_init(u32 field, u32 op, char *rulestr, void **vrule)
{
struct selinux_audit_rule *tmprule;
struct role_datum *roledatum;
struct type_datum *typedatum;
struct user_datum *userdatum;
+ struct selinux_audit_rule **rule = (struct selinux_audit_rule **)vrule;
int rc = 0;
*rule = NULL;
@@ -2374,17 +2394,42 @@ int selinux_audit_rule_init(u32 field, u32 op, char *rulestr,
return rc;
}
-int selinux_audit_rule_match(u32 sid, u32 field, u32 op,
- struct selinux_audit_rule *rule,
+/* Check to see if the rule contains any selinux fields */
+int selinux_audit_rule_known(struct audit_krule *rule)
+{
+ int i;
+
+ for (i = 0; i < rule->field_count; i++) {
+ struct audit_field *f = &rule->fields[i];
+ switch (f->type) {
+ case AUDIT_SUBJ_USER:
+ case AUDIT_SUBJ_ROLE:
+ case AUDIT_SUBJ_TYPE:
+ case AUDIT_SUBJ_SEN:
+ case AUDIT_SUBJ_CLR:
+ case AUDIT_OBJ_USER:
+ case AUDIT_OBJ_ROLE:
+ case AUDIT_OBJ_TYPE:
+ case AUDIT_OBJ_LEV_LOW:
+ case AUDIT_OBJ_LEV_HIGH:
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+int selinux_audit_rule_match(u32 sid, u32 field, u32 op, void *vrule,
struct audit_context *actx)
{
struct context *ctxt;
struct mls_level *level;
+ struct selinux_audit_rule *rule = vrule;
int match = 0;
if (!rule) {
audit_log(actx, GFP_ATOMIC, AUDIT_SELINUX_ERR,
- "selinux_audit_rule_match: missing rule\n");
+ "selinux_audit_rule_match: missing rule\n");
return -ENOENT;
}
@@ -2392,7 +2437,7 @@ int selinux_audit_rule_match(u32 sid, u32 field, u32 op,
if (rule->au_seqno < latest_granting) {
audit_log(actx, GFP_ATOMIC, AUDIT_SELINUX_ERR,
- "selinux_audit_rule_match: stale rule\n");
+ "selinux_audit_rule_match: stale rule\n");
match = -ESTALE;
goto out;
}
@@ -2400,8 +2445,8 @@ int selinux_audit_rule_match(u32 sid, u32 field, u32 op,
ctxt = sidtab_search(&sidtab, sid);
if (!ctxt) {
audit_log(actx, GFP_ATOMIC, AUDIT_SELINUX_ERR,
- "selinux_audit_rule_match: unrecognized SID %d\n",
- sid);
+ "selinux_audit_rule_match: unrecognized SID %d\n",
+ sid);
match = -ENOENT;
goto out;
}
@@ -2447,36 +2492,36 @@ int selinux_audit_rule_match(u32 sid, u32 field, u32 op,
case AUDIT_OBJ_LEV_LOW:
case AUDIT_OBJ_LEV_HIGH:
level = ((field == AUDIT_SUBJ_SEN ||
- field == AUDIT_OBJ_LEV_LOW) ?
- &ctxt->range.level[0] : &ctxt->range.level[1]);
+ field == AUDIT_OBJ_LEV_LOW) ?
+ &ctxt->range.level[0] : &ctxt->range.level[1]);
switch (op) {
case AUDIT_EQUAL:
match = mls_level_eq(&rule->au_ctxt.range.level[0],
- level);
+ level);
break;
case AUDIT_NOT_EQUAL:
match = !mls_level_eq(&rule->au_ctxt.range.level[0],
- level);
+ level);
break;
case AUDIT_LESS_THAN:
match = (mls_level_dom(&rule->au_ctxt.range.level[0],
- level) &&
- !mls_level_eq(&rule->au_ctxt.range.level[0],
- level));
+ level) &&
+ !mls_level_eq(&rule->au_ctxt.range.level[0],
+ level));
break;
case AUDIT_LESS_THAN_OR_EQUAL:
match = mls_level_dom(&rule->au_ctxt.range.level[0],
- level);
+ level);
break;
case AUDIT_GREATER_THAN:
match = (mls_level_dom(level,
- &rule->au_ctxt.range.level[0]) &&
- !mls_level_eq(level,
- &rule->au_ctxt.range.level[0]));
+ &rule->au_ctxt.range.level[0]) &&
+ !mls_level_eq(level,
+ &rule->au_ctxt.range.level[0]));
break;
case AUDIT_GREATER_THAN_OR_EQUAL:
match = mls_level_dom(level,
- &rule->au_ctxt.range.level[0]);
+ &rule->au_ctxt.range.level[0]);
break;
}
}
@@ -2486,7 +2531,7 @@ out:
return match;
}
-static int (*aurule_callback)(void) = NULL;
+static int (*aurule_callback)(void) = audit_update_lsm_rules;
static int aurule_avc_callback(u32 event, u32 ssid, u32 tsid,
u16 class, u32 perms, u32 *retained)
@@ -2503,7 +2548,7 @@ static int __init aurule_init(void)
int err;
err = avc_add_callback(aurule_avc_callback, AVC_CALLBACK_RESET,
- SECSID_NULL, SECSID_NULL, SECCLASS_NULL, 0);
+ SECSID_NULL, SECSID_NULL, SECCLASS_NULL, 0);
if (err)
panic("avc_add_callback() failed, error %d\n", err);
@@ -2511,11 +2556,6 @@ static int __init aurule_init(void)
}
__initcall(aurule_init);
-void selinux_audit_set_callback(int (*callback)(void))
-{
- aurule_callback = callback;
-}
-
#ifdef CONFIG_NETLABEL
/**
* security_netlbl_cache_add - Add an entry to the NetLabel cache
@@ -2651,7 +2691,7 @@ int security_netlbl_sid_to_secattr(u32 sid, struct netlbl_lsm_secattr *secattr)
goto netlbl_sid_to_secattr_failure;
secattr->domain = kstrdup(policydb.p_type_val_to_name[ctx->type - 1],
GFP_ATOMIC);
- secattr->flags |= NETLBL_SECATTR_DOMAIN;
+ secattr->flags |= NETLBL_SECATTR_DOMAIN_CPY;
mls_export_netlbl_lvl(ctx, secattr);
rc = mls_export_netlbl_cat(ctx, secattr);
if (rc != 0)
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-24 11:10:07 +0000