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authorPaul Moore <paul.moore@hp.com>2006-11-29 13:18:18 -0500
committerDavid S. Miller <davem@sunset.davemloft.net>2006-12-02 21:31:36 -0800
commit02752760359db6b00a3ffb1acfc13ef8d9eb1e3f (patch)
tree796cd65fd4cd732b295e61dac194efbf36b78842 /security
parentef91fd522ba3c88d9c68261c243567bc4c5a8f55 (diff)
downloadlinux-2.6.34-ux500-02752760359db6b00a3ffb1acfc13ef8d9eb1e3f.tar.gz
NetLabel: convert to an extensibile/sparse category bitmap
The original NetLabel category bitmap was a straight char bitmap which worked fine for the initial release as it only supported 240 bits due to limitations in the CIPSO restricted bitmap tag (tag type 0x01). This patch converts that straight char bitmap into an extensibile/sparse bitmap in order to lay the foundation for other CIPSO tag types and protocols. This patch also has a nice side effect in that all of the security attributes passed by NetLabel into the LSM are now in a format which is in the host's native byte/bit ordering which makes the LSM specific code much simpler; look at the changes in security/selinux/ss/ebitmap.c as an example. Signed-off-by: Paul Moore <paul.moore@hp.com> Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'security')
-rw-r--r--security/selinux/ss/ebitmap.c198
-rw-r--r--security/selinux/ss/ebitmap.h26
-rw-r--r--security/selinux/ss/mls.c156
-rw-r--r--security/selinux/ss/mls.h46
-rw-r--r--security/selinux/ss/services.c23
5 files changed, 199 insertions, 250 deletions
diff --git a/security/selinux/ss/ebitmap.c b/security/selinux/ss/ebitmap.c
index d539346ab3a..ce492a6b38e 100644
--- a/security/selinux/ss/ebitmap.c
+++ b/security/selinux/ss/ebitmap.c
@@ -6,7 +6,7 @@
/*
* Updated: Hewlett-Packard <paul.moore@hp.com>
*
- * Added ebitmap_export() and ebitmap_import()
+ * Added support to import/export the NetLabel category bitmap
*
* (c) Copyright Hewlett-Packard Development Company, L.P., 2006
*/
@@ -14,6 +14,7 @@
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/errno.h>
+#include <net/netlabel.h>
#include "ebitmap.h"
#include "policydb.h"
@@ -67,141 +68,120 @@ int ebitmap_cpy(struct ebitmap *dst, struct ebitmap *src)
return 0;
}
+#ifdef CONFIG_NETLABEL
/**
- * ebitmap_export - Export an ebitmap to a unsigned char bitmap string
- * @src: the ebitmap to export
- * @dst: the resulting bitmap string
- * @dst_len: length of dst in bytes
+ * ebitmap_netlbl_export - Export an ebitmap into a NetLabel category bitmap
+ * @ebmap: the ebitmap to export
+ * @catmap: the NetLabel category bitmap
*
* Description:
- * Allocate a buffer at least src->highbit bits long and export the extensible
- * bitmap into the buffer. The bitmap string will be in little endian format,
- * i.e. LSB first. The value returned in dst_len may not the true size of the
- * buffer as the length of the buffer is rounded up to a multiple of MAPTYPE.
- * The caller must free the buffer when finished. Returns zero on success,
- * negative values on failure.
+ * Export a SELinux extensibile bitmap into a NetLabel category bitmap.
+ * Returns zero on success, negative values on error.
*
*/
-int ebitmap_export(const struct ebitmap *src,
- unsigned char **dst,
- size_t *dst_len)
+int ebitmap_netlbl_export(struct ebitmap *ebmap,
+ struct netlbl_lsm_secattr_catmap **catmap)
{
- size_t bitmap_len;
- unsigned char *bitmap;
- struct ebitmap_node *iter_node;
- MAPTYPE node_val;
- size_t bitmap_byte;
- unsigned char bitmask;
-
- if (src->highbit == 0) {
- *dst = NULL;
- *dst_len = 0;
+ struct ebitmap_node *e_iter = ebmap->node;
+ struct netlbl_lsm_secattr_catmap *c_iter;
+ u32 cmap_idx;
+
+ /* This function is a much simpler because SELinux's MAPTYPE happens
+ * to be the same as NetLabel's NETLBL_CATMAP_MAPTYPE, if MAPTYPE is
+ * changed from a u64 this function will most likely need to be changed
+ * as well. It's not ideal but I think the tradeoff in terms of
+ * neatness and speed is worth it. */
+
+ if (e_iter == NULL) {
+ *catmap = NULL;
return 0;
}
- bitmap_len = src->highbit / 8;
- if (src->highbit % 7)
- bitmap_len += 1;
-
- bitmap = kzalloc((bitmap_len & ~(sizeof(MAPTYPE) - 1)) +
- sizeof(MAPTYPE),
- GFP_ATOMIC);
- if (bitmap == NULL)
+ c_iter = netlbl_secattr_catmap_alloc(GFP_ATOMIC);
+ if (c_iter == NULL)
return -ENOMEM;
+ *catmap = c_iter;
+ c_iter->startbit = e_iter->startbit & ~(NETLBL_CATMAP_SIZE - 1);
+
+ while (e_iter != NULL) {
+ if (e_iter->startbit >=
+ (c_iter->startbit + NETLBL_CATMAP_SIZE)) {
+ c_iter->next = netlbl_secattr_catmap_alloc(GFP_ATOMIC);
+ if (c_iter->next == NULL)
+ goto netlbl_export_failure;
+ c_iter = c_iter->next;
+ c_iter->startbit = e_iter->startbit &
+ ~(NETLBL_CATMAP_SIZE - 1);
+ }
+ cmap_idx = (e_iter->startbit - c_iter->startbit) /
+ NETLBL_CATMAP_MAPSIZE;
+ c_iter->bitmap[cmap_idx] = e_iter->map;
+ e_iter = e_iter->next;
+ }
- iter_node = src->node;
- do {
- bitmap_byte = iter_node->startbit / 8;
- bitmask = 0x80;
- node_val = iter_node->map;
- do {
- if (bitmask == 0) {
- bitmap_byte++;
- bitmask = 0x80;
- }
- if (node_val & (MAPTYPE)0x01)
- bitmap[bitmap_byte] |= bitmask;
- node_val >>= 1;
- bitmask >>= 1;
- } while (node_val > 0);
- iter_node = iter_node->next;
- } while (iter_node);
-
- *dst = bitmap;
- *dst_len = bitmap_len;
return 0;
+
+netlbl_export_failure:
+ netlbl_secattr_catmap_free(*catmap);
+ return -ENOMEM;
}
/**
- * ebitmap_import - Import an unsigned char bitmap string into an ebitmap
- * @src: the bitmap string
- * @src_len: the bitmap length in bytes
- * @dst: the empty ebitmap
+ * ebitmap_netlbl_import - Import a NetLabel category bitmap into an ebitmap
+ * @ebmap: the ebitmap to export
+ * @catmap: the NetLabel category bitmap
*
* Description:
- * This function takes a little endian bitmap string in src and imports it into
- * the ebitmap pointed to by dst. Returns zero on success, negative values on
- * failure.
+ * Import a NetLabel category bitmap into a SELinux extensibile bitmap.
+ * Returns zero on success, negative values on error.
*
*/
-int ebitmap_import(const unsigned char *src,
- size_t src_len,
- struct ebitmap *dst)
+int ebitmap_netlbl_import(struct ebitmap *ebmap,
+ struct netlbl_lsm_secattr_catmap *catmap)
{
- size_t src_off = 0;
- size_t node_limit;
- struct ebitmap_node *node_new;
- struct ebitmap_node *node_last = NULL;
- u32 i_byte;
- u32 i_bit;
- unsigned char src_byte;
-
- while (src_off < src_len) {
- if (src_len - src_off >= sizeof(MAPTYPE)) {
- if (*(MAPTYPE *)&src[src_off] == 0) {
- src_off += sizeof(MAPTYPE);
- continue;
- }
- node_limit = sizeof(MAPTYPE);
- } else {
- for (src_byte = 0, i_byte = src_off;
- i_byte < src_len && src_byte == 0;
- i_byte++)
- src_byte |= src[i_byte];
- if (src_byte == 0)
- break;
- node_limit = src_len - src_off;
- }
+ struct ebitmap_node *e_iter = NULL;
+ struct ebitmap_node *emap_prev = NULL;
+ struct netlbl_lsm_secattr_catmap *c_iter = catmap;
+ u32 c_idx;
- node_new = kzalloc(sizeof(*node_new), GFP_ATOMIC);
- if (unlikely(node_new == NULL)) {
- ebitmap_destroy(dst);
- return -ENOMEM;
- }
- node_new->startbit = src_off * 8;
- for (i_byte = 0; i_byte < node_limit; i_byte++) {
- src_byte = src[src_off++];
- for (i_bit = i_byte * 8; src_byte != 0; i_bit++) {
- if (src_byte & 0x80)
- node_new->map |= MAPBIT << i_bit;
- src_byte <<= 1;
- }
- }
+ /* This function is a much simpler because SELinux's MAPTYPE happens
+ * to be the same as NetLabel's NETLBL_CATMAP_MAPTYPE, if MAPTYPE is
+ * changed from a u64 this function will most likely need to be changed
+ * as well. It's not ideal but I think the tradeoff in terms of
+ * neatness and speed is worth it. */
- if (node_last != NULL)
- node_last->next = node_new;
- else
- dst->node = node_new;
- node_last = node_new;
- }
+ do {
+ for (c_idx = 0; c_idx < NETLBL_CATMAP_MAPCNT; c_idx++) {
+ if (c_iter->bitmap[c_idx] == 0)
+ continue;
+
+ e_iter = kzalloc(sizeof(*e_iter), GFP_ATOMIC);
+ if (e_iter == NULL)
+ goto netlbl_import_failure;
+ if (emap_prev == NULL)
+ ebmap->node = e_iter;
+ else
+ emap_prev->next = e_iter;
+ emap_prev = e_iter;
- if (likely(node_last != NULL))
- dst->highbit = node_last->startbit + MAPSIZE;
+ e_iter->startbit = c_iter->startbit +
+ NETLBL_CATMAP_MAPSIZE * c_idx;
+ e_iter->map = c_iter->bitmap[c_idx];
+ }
+ c_iter = c_iter->next;
+ } while (c_iter != NULL);
+ if (e_iter != NULL)
+ ebmap->highbit = e_iter->startbit + MAPSIZE;
else
- ebitmap_init(dst);
+ ebitmap_destroy(ebmap);
return 0;
+
+netlbl_import_failure:
+ ebitmap_destroy(ebmap);
+ return -ENOMEM;
}
+#endif /* CONFIG_NETLABEL */
int ebitmap_contains(struct ebitmap *e1, struct ebitmap *e2)
{
diff --git a/security/selinux/ss/ebitmap.h b/security/selinux/ss/ebitmap.h
index da2d4651b10..1270e34b61c 100644
--- a/security/selinux/ss/ebitmap.h
+++ b/security/selinux/ss/ebitmap.h
@@ -14,6 +14,8 @@
#ifndef _SS_EBITMAP_H_
#define _SS_EBITMAP_H_
+#include <net/netlabel.h>
+
#define MAPTYPE u64 /* portion of bitmap in each node */
#define MAPSIZE (sizeof(MAPTYPE) * 8) /* number of bits in node bitmap */
#define MAPBIT 1ULL /* a bit in the node bitmap */
@@ -69,16 +71,28 @@ static inline int ebitmap_node_get_bit(struct ebitmap_node * n,
int ebitmap_cmp(struct ebitmap *e1, struct ebitmap *e2);
int ebitmap_cpy(struct ebitmap *dst, struct ebitmap *src);
-int ebitmap_export(const struct ebitmap *src,
- unsigned char **dst,
- size_t *dst_len);
-int ebitmap_import(const unsigned char *src,
- size_t src_len,
- struct ebitmap *dst);
int ebitmap_contains(struct ebitmap *e1, struct ebitmap *e2);
int ebitmap_get_bit(struct ebitmap *e, unsigned long bit);
int ebitmap_set_bit(struct ebitmap *e, unsigned long bit, int value);
void ebitmap_destroy(struct ebitmap *e);
int ebitmap_read(struct ebitmap *e, void *fp);
+#ifdef CONFIG_NETLABEL
+int ebitmap_netlbl_export(struct ebitmap *ebmap,
+ struct netlbl_lsm_secattr_catmap **catmap);
+int ebitmap_netlbl_import(struct ebitmap *ebmap,
+ struct netlbl_lsm_secattr_catmap *catmap);
+#else
+static inline int ebitmap_netlbl_export(struct ebitmap *ebmap,
+ struct netlbl_lsm_secattr_catmap **catmap)
+{
+ return -ENOMEM;
+}
+static inline int ebitmap_netlbl_import(struct ebitmap *ebmap,
+ struct netlbl_lsm_secattr_catmap *catmap)
+{
+ return -ENOMEM;
+}
+#endif
+
#endif /* _SS_EBITMAP_H_ */
diff --git a/security/selinux/ss/mls.c b/security/selinux/ss/mls.c
index 2cca8e25162..b4f682dc13f 100644
--- a/security/selinux/ss/mls.c
+++ b/security/selinux/ss/mls.c
@@ -13,7 +13,7 @@
/*
* Updated: Hewlett-Packard <paul.moore@hp.com>
*
- * Added support to import/export the MLS label
+ * Added support to import/export the MLS label from NetLabel
*
* (c) Copyright Hewlett-Packard Development Company, L.P., 2006
*/
@@ -22,6 +22,7 @@
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/errno.h>
+#include <net/netlabel.h>
#include "sidtab.h"
#include "mls.h"
#include "policydb.h"
@@ -571,163 +572,108 @@ int mls_compute_sid(struct context *scontext,
return -EINVAL;
}
+#ifdef CONFIG_NETLABEL
/**
- * mls_export_lvl - Export the MLS sensitivity levels
+ * mls_export_netlbl_lvl - Export the MLS sensitivity levels to NetLabel
* @context: the security context
- * @low: the low sensitivity level
- * @high: the high sensitivity level
+ * @secattr: the NetLabel security attributes
*
* Description:
- * Given the security context copy the low MLS sensitivity level into lvl_low
- * and the high sensitivity level in lvl_high. The MLS levels are only
- * exported if the pointers are not NULL, if they are NULL then that level is
- * not exported.
+ * Given the security context copy the low MLS sensitivity level into the
+ * NetLabel MLS sensitivity level field.
*
*/
-void mls_export_lvl(const struct context *context, u32 *low, u32 *high)
+void mls_export_netlbl_lvl(struct context *context,
+ struct netlbl_lsm_secattr *secattr)
{
if (!selinux_mls_enabled)
return;
- if (low != NULL)
- *low = context->range.level[0].sens - 1;
- if (high != NULL)
- *high = context->range.level[1].sens - 1;
+ secattr->mls_lvl = context->range.level[0].sens - 1;
+ secattr->flags |= NETLBL_SECATTR_MLS_LVL;
}
/**
- * mls_import_lvl - Import the MLS sensitivity levels
+ * mls_import_netlbl_lvl - Import the NetLabel MLS sensitivity levels
* @context: the security context
- * @low: the low sensitivity level
- * @high: the high sensitivity level
+ * @secattr: the NetLabel security attributes
*
* Description:
- * Given the security context and the two sensitivty levels, set the MLS levels
- * in the context according the two given as parameters. Returns zero on
- * success, negative values on failure.
+ * Given the security context and the NetLabel security attributes, copy the
+ * NetLabel MLS sensitivity level into the context.
*
*/
-void mls_import_lvl(struct context *context, u32 low, u32 high)
+void mls_import_netlbl_lvl(struct context *context,
+ struct netlbl_lsm_secattr *secattr)
{
if (!selinux_mls_enabled)
return;
- context->range.level[0].sens = low + 1;
- context->range.level[1].sens = high + 1;
+ context->range.level[0].sens = secattr->mls_lvl + 1;
+ context->range.level[1].sens = context->range.level[0].sens;
}
/**
- * mls_export_cat - Export the MLS categories
+ * mls_export_netlbl_cat - Export the MLS categories to NetLabel
* @context: the security context
- * @low: the low category
- * @low_len: length of the cat_low bitmap in bytes
- * @high: the high category
- * @high_len: length of the cat_high bitmap in bytes
+ * @secattr: the NetLabel security attributes
*
* Description:
- * Given the security context export the low MLS category bitmap into cat_low
- * and the high category bitmap into cat_high. The MLS categories are only
- * exported if the pointers are not NULL, if they are NULL then that level is
- * not exported. The caller is responsibile for freeing the memory when
- * finished. Returns zero on success, negative values on failure.
+ * Given the security context copy the low MLS categories into the NetLabel
+ * MLS category field. Returns zero on success, negative values on failure.
*
*/
-int mls_export_cat(const struct context *context,
- unsigned char **low,
- size_t *low_len,
- unsigned char **high,
- size_t *high_len)
+int mls_export_netlbl_cat(struct context *context,
+ struct netlbl_lsm_secattr *secattr)
{
- int rc = -EPERM;
+ int rc;
- if (!selinux_mls_enabled) {
- *low = NULL;
- *low_len = 0;
- *high = NULL;
- *high_len = 0;
+ if (!selinux_mls_enabled)
return 0;
- }
- if (low != NULL) {
- rc = ebitmap_export(&context->range.level[0].cat,
- low,
- low_len);
- if (rc != 0)
- goto export_cat_failure;
- }
- if (high != NULL) {
- rc = ebitmap_export(&context->range.level[1].cat,
- high,
- high_len);
- if (rc != 0)
- goto export_cat_failure;
- }
-
- return 0;
+ rc = ebitmap_netlbl_export(&context->range.level[0].cat,
+ &secattr->mls_cat);
+ if (rc == 0 && secattr->mls_cat != NULL)
+ secattr->flags |= NETLBL_SECATTR_MLS_CAT;
-export_cat_failure:
- if (low != NULL) {
- kfree(*low);
- *low = NULL;
- *low_len = 0;
- }
- if (high != NULL) {
- kfree(*high);
- *high = NULL;
- *high_len = 0;
- }
return rc;
}
/**
- * mls_import_cat - Import the MLS categories
+ * mls_import_netlbl_cat - Import the MLS categories from NetLabel
* @context: the security context
- * @low: the low category
- * @low_len: length of the cat_low bitmap in bytes
- * @high: the high category
- * @high_len: length of the cat_high bitmap in bytes
+ * @secattr: the NetLabel security attributes
*
* Description:
- * Given the security context and the two category bitmap strings import the
- * categories into the security context. The MLS categories are only imported
- * if the pointers are not NULL, if they are NULL they are skipped. Returns
- * zero on success, negative values on failure.
+ * Copy the NetLabel security attributes into the SELinux context; since the
+ * NetLabel security attribute only contains a single MLS category use it for
+ * both the low and high categories of the context. Returns zero on success,
+ * negative values on failure.
*
*/
-int mls_import_cat(struct context *context,
- const unsigned char *low,
- size_t low_len,
- const unsigned char *high,
- size_t high_len)
+int mls_import_netlbl_cat(struct context *context,
+ struct netlbl_lsm_secattr *secattr)
{
- int rc = -EPERM;
+ int rc;
if (!selinux_mls_enabled)
return 0;
- if (low != NULL) {
- rc = ebitmap_import(low,
- low_len,
- &context->range.level[0].cat);
- if (rc != 0)
- goto import_cat_failure;
- }
- if (high != NULL) {
- if (high == low)
- rc = ebitmap_cpy(&context->range.level[1].cat,
- &context->range.level[0].cat);
- else
- rc = ebitmap_import(high,
- high_len,
- &context->range.level[1].cat);
- if (rc != 0)
- goto import_cat_failure;
- }
+ rc = ebitmap_netlbl_import(&context->range.level[0].cat,
+ secattr->mls_cat);
+ if (rc != 0)
+ goto import_netlbl_cat_failure;
+
+ rc = ebitmap_cpy(&context->range.level[1].cat,
+ &context->range.level[0].cat);
+ if (rc != 0)
+ goto import_netlbl_cat_failure;
return 0;
-import_cat_failure:
+import_netlbl_cat_failure:
ebitmap_destroy(&context->range.level[0].cat);
ebitmap_destroy(&context->range.level[1].cat);
return rc;
}
+#endif /* CONFIG_NETLABEL */
diff --git a/security/selinux/ss/mls.h b/security/selinux/ss/mls.h
index df6032c6d49..661d6fc7696 100644
--- a/security/selinux/ss/mls.h
+++ b/security/selinux/ss/mls.h
@@ -13,7 +13,7 @@
/*
* Updated: Hewlett-Packard <paul.moore@hp.com>
*
- * Added support to import/export the MLS label
+ * Added support to import/export the MLS label from NetLabel
*
* (c) Copyright Hewlett-Packard Development Company, L.P., 2006
*/
@@ -69,19 +69,37 @@ int mls_compute_sid(struct context *scontext,
int mls_setup_user_range(struct context *fromcon, struct user_datum *user,
struct context *usercon);
-void mls_export_lvl(const struct context *context, u32 *low, u32 *high);
-void mls_import_lvl(struct context *context, u32 low, u32 high);
-
-int mls_export_cat(const struct context *context,
- unsigned char **low,
- size_t *low_len,
- unsigned char **high,
- size_t *high_len);
-int mls_import_cat(struct context *context,
- const unsigned char *low,
- size_t low_len,
- const unsigned char *high,
- size_t high_len);
+#ifdef CONFIG_NETLABEL
+void mls_export_netlbl_lvl(struct context *context,
+ struct netlbl_lsm_secattr *secattr);
+void mls_import_netlbl_lvl(struct context *context,
+ struct netlbl_lsm_secattr *secattr);
+int mls_export_netlbl_cat(struct context *context,
+ struct netlbl_lsm_secattr *secattr);
+int mls_import_netlbl_cat(struct context *context,
+ struct netlbl_lsm_secattr *secattr);
+#else
+static inline void mls_export_netlbl_lvl(struct context *context,
+ struct netlbl_lsm_secattr *secattr)
+{
+ return;
+}
+static inline void mls_import_netlbl_lvl(struct context *context,
+ struct netlbl_lsm_secattr *secattr)
+{
+ return;
+}
+static inline int mls_export_netlbl_cat(struct context *context,
+ struct netlbl_lsm_secattr *secattr)
+{
+ return -ENOMEM;
+}
+static inline int mls_import_netlbl_cat(struct context *context,
+ struct netlbl_lsm_secattr *secattr)
+{
+ return -ENOMEM;
+}
+#endif
#endif /* _SS_MLS_H */
diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c
index b43dd803fd5..bdb7070dd3d 100644
--- a/security/selinux/ss/services.c
+++ b/security/selinux/ss/services.c
@@ -55,6 +55,7 @@
#include "objsec.h"
#include "selinux_netlabel.h"
#include "xfrm.h"
+#include "ebitmap.h"
extern void selnl_notify_policyload(u32 seqno);
unsigned int policydb_loaded_version;
@@ -2384,13 +2385,10 @@ static int selinux_netlbl_secattr_to_sid(struct sk_buff *skb,
ctx_new.user = ctx->user;
ctx_new.role = ctx->role;
ctx_new.type = ctx->type;
- mls_import_lvl(&ctx_new, secattr->mls_lvl, secattr->mls_lvl);
+ mls_import_netlbl_lvl(&ctx_new, secattr);
if (secattr->flags & NETLBL_SECATTR_MLS_CAT) {
- if (mls_import_cat(&ctx_new,
- secattr->mls_cat,
- secattr->mls_cat_len,
- NULL,
- 0) != 0)
+ if (ebitmap_netlbl_import(&ctx_new.range.level[0].cat,
+ secattr->mls_cat) != 0)
goto netlbl_secattr_to_sid_return;
ctx_new.range.level[1].cat.highbit =
ctx_new.range.level[0].cat.highbit;
@@ -2486,19 +2484,12 @@ static int selinux_netlbl_socket_setsid(struct socket *sock, u32 sid)
secattr.domain = kstrdup(policydb.p_type_val_to_name[ctx->type - 1],
GFP_ATOMIC);
- mls_export_lvl(ctx, &secattr.mls_lvl, NULL);
- rc = mls_export_cat(ctx,
- &secattr.mls_cat,
- &secattr.mls_cat_len,
- NULL,
- NULL);
+ secattr.flags |= NETLBL_SECATTR_DOMAIN;
+ mls_export_netlbl_lvl(ctx, &secattr);
+ rc = mls_export_netlbl_cat(ctx, &secattr);
if (rc != 0)
goto netlbl_socket_setsid_return;
- secattr.flags |= NETLBL_SECATTR_DOMAIN | NETLBL_SECATTR_MLS_LVL;
- if (secattr.mls_cat)
- secattr.flags |= NETLBL_SECATTR_MLS_CAT;
-
rc = netlbl_socket_setattr(sock, &secattr);
if (rc == 0) {
spin_lock(&sksec->nlbl_lock);