Merge branch 'for-linus' of git://selinuxproject.org/~jmorris/linux-security

* 'for-linus' of git://selinuxproject.org/~jmorris/linux-security: (32 commits)
  ima: fix invalid memory reference
  ima: free duplicate measurement memory
  security: update security_file_mmap() docs
  selinux: Casting (void *) value returned by kmalloc is useless
  apparmor: fix module parameter handling
  Security: tomoyo: add .gitignore file
  tomoyo: add missing rcu_dereference()
  apparmor: add missing rcu_dereference()
  evm: prevent racing during tfm allocation
  evm: key must be set once during initialization
  mpi/mpi-mpow: NULL dereference on allocation failure
  digsig: build dependency fix
  KEYS: Give key types their own lockdep class for key->sem
  TPM: fix transmit_cmd error logic
  TPM: NSC and TIS drivers X86 dependency fix
  TPM: Export wait_for_stat for other vendor specific drivers
  TPM: Use vendor specific function for status probe
  tpm_tis: add delay after aborting command
  tpm_tis: Check return code from getting timeouts/durations
  tpm: Introduce function to poll for result of self test
  ...

Fix up trivial conflict in lib/Makefile due to addition of CONFIG_MPI
and SIGSIG next to CONFIG_DQL addition.

4 files changed, 214 insertions, 1 deletions

diff --git a/include/linux/digsig.h b/include/linux/digsig.h
new file mode 100644
index 000000000000..efae755017d7
--- /dev/null
+++ b/include/linux/digsig.h
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2011 Nokia Corporation
+ * Copyright (C) 2011 Intel Corporation
+ *
+ * Author:
+ * Dmitry Kasatkin <dmitry.kasatkin@nokia.com>
+ *                 <dmitry.kasatkin@intel.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
+ * the Free Software Foundation, version 2 of the License.
+ *
+ */
+
+#ifndef _DIGSIG_H
+#define _DIGSIG_H
+
+#include <linux/key.h>
+
+enum pubkey_algo {
+        PUBKEY_ALGO_RSA,
+        PUBKEY_ALGO_MAX,
+};
+
+enum digest_algo {
+        DIGEST_ALGO_SHA1,
+        DIGEST_ALGO_SHA256,
+        DIGEST_ALGO_MAX
+};
+
+struct pubkey_hdr {
+        uint8_t         version;        /* key format version */
+        time_t          timestamp;      /* key made, always 0 for now */
+        uint8_t         algo;
+        uint8_t         nmpi;
+        char            mpi[0];
+} __packed;
+
+struct signature_hdr {
+        uint8_t         version;        /* signature format version */
+        time_t          timestamp;      /* signature made */
+        uint8_t         algo;
+        uint8_t         hash;
+        uint8_t         keyid[8];
+        uint8_t         nmpi;
+        char            mpi[0];
+} __packed;
+
+#if defined(CONFIG_DIGSIG) || defined(CONFIG_DIGSIG_MODULE)
+
+int digsig_verify(struct key *keyring, const char *sig, int siglen,
+                                        const char *digest, int digestlen);
+
+#else
+
+static inline int digsig_verify(struct key *keyring, const char *sig,
+                                int siglen, const char *digest, int digestlen)
+{
+        return -EOPNOTSUPP;
+}
+
+#endif /* CONFIG_DIGSIG */
+
+#endif /* _DIGSIG_H */
diff --git a/include/linux/key-type.h b/include/linux/key-type.h
index 9efd081bb31e..39e3c082c49d 100644
--- a/include/linux/key-type.h
+++ b/include/linux/key-type.h
@@ -92,6 +92,7 @@ struct key_type {
 
         /* internal fields */
         struct list_head        link;           /* link in types list */
+        struct lock_class_key   lock_class;     /* key->sem lock class */
 };
 
 extern struct key_type key_type_keyring;
diff --git a/include/linux/mpi.h b/include/linux/mpi.h
new file mode 100644
index 000000000000..06f88994ccaa
--- /dev/null
+++ b/include/linux/mpi.h
@@ -0,0 +1,146 @@
+/* mpi.h  -  Multi Precision Integers
+ *      Copyright (C) 1994, 1996, 1998, 1999,
+ *                    2000, 2001 Free Software Foundation, Inc.
+ *
+ * This file is part of GNUPG.
+ *
+ * GNUPG is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * GNUPG is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ *
+ * Note: This code is heavily based on the GNU MP Library.
+ *       Actually it's the same code with only minor changes in the
+ *       way the data is stored; this is to support the abstraction
+ *       of an optional secure memory allocation which may be used
+ *       to avoid revealing of sensitive data due to paging etc.
+ *       The GNU MP Library itself is published under the LGPL;
+ *       however I decided to publish this code under the plain GPL.
+ */
+
+#ifndef G10_MPI_H
+#define G10_MPI_H
+
+#include <linux/types.h>
+
+/* DSI defines */
+
+#define SHA1_DIGEST_LENGTH   20
+
+/*end of DSI defines */
+
+#define BYTES_PER_MPI_LIMB      (BITS_PER_LONG / 8)
+#define BITS_PER_MPI_LIMB       BITS_PER_LONG
+
+typedef unsigned long int mpi_limb_t;
+typedef signed long int mpi_limb_signed_t;
+
+struct gcry_mpi {
+        int alloced;            /* array size (# of allocated limbs) */
+        int nlimbs;             /* number of valid limbs */
+        int nbits;              /* the real number of valid bits (info only) */
+        int sign;               /* indicates a negative number */
+        unsigned flags;         /* bit 0: array must be allocated in secure memory space */
+        /* bit 1: not used */
+        /* bit 2: the limb is a pointer to some m_alloced data */
+        mpi_limb_t *d;          /* array with the limbs */
+};
+
+typedef struct gcry_mpi *MPI;
+
+#define MPI_NULL NULL
+
+#define mpi_get_nlimbs(a)     ((a)->nlimbs)
+#define mpi_is_neg(a)         ((a)->sign)
+
+/*-- mpiutil.c --*/
+MPI mpi_alloc(unsigned nlimbs);
+MPI mpi_alloc_secure(unsigned nlimbs);
+MPI mpi_alloc_like(MPI a);
+void mpi_free(MPI a);
+int mpi_resize(MPI a, unsigned nlimbs);
+int mpi_copy(MPI *copy, const MPI a);
+void mpi_clear(MPI a);
+int mpi_set(MPI w, MPI u);
+int mpi_set_ui(MPI w, ulong u);
+MPI mpi_alloc_set_ui(unsigned long u);
+void mpi_m_check(MPI a);
+void mpi_swap(MPI a, MPI b);
+
+/*-- mpicoder.c --*/
+MPI do_encode_md(const void *sha_buffer, unsigned nbits);
+MPI mpi_read_from_buffer(const void *buffer, unsigned *ret_nread);
+int mpi_fromstr(MPI val, const char *str);
+u32 mpi_get_keyid(MPI a, u32 *keyid);
+void *mpi_get_buffer(MPI a, unsigned *nbytes, int *sign);
+void *mpi_get_secure_buffer(MPI a, unsigned *nbytes, int *sign);
+int mpi_set_buffer(MPI a, const void *buffer, unsigned nbytes, int sign);
+
+#define log_mpidump g10_log_mpidump
+
+/*-- mpi-add.c --*/
+int mpi_add_ui(MPI w, MPI u, ulong v);
+int mpi_add(MPI w, MPI u, MPI v);
+int mpi_addm(MPI w, MPI u, MPI v, MPI m);
+int mpi_sub_ui(MPI w, MPI u, ulong v);
+int mpi_sub(MPI w, MPI u, MPI v);
+int mpi_subm(MPI w, MPI u, MPI v, MPI m);
+
+/*-- mpi-mul.c --*/
+int mpi_mul_ui(MPI w, MPI u, ulong v);
+int mpi_mul_2exp(MPI w, MPI u, ulong cnt);
+int mpi_mul(MPI w, MPI u, MPI v);
+int mpi_mulm(MPI w, MPI u, MPI v, MPI m);
+
+/*-- mpi-div.c --*/
+ulong mpi_fdiv_r_ui(MPI rem, MPI dividend, ulong divisor);
+int mpi_fdiv_r(MPI rem, MPI dividend, MPI divisor);
+int mpi_fdiv_q(MPI quot, MPI dividend, MPI divisor);
+int mpi_fdiv_qr(MPI quot, MPI rem, MPI dividend, MPI divisor);
+int mpi_tdiv_r(MPI rem, MPI num, MPI den);
+int mpi_tdiv_qr(MPI quot, MPI rem, MPI num, MPI den);
+int mpi_tdiv_q_2exp(MPI w, MPI u, unsigned count);
+int mpi_divisible_ui(const MPI dividend, ulong divisor);
+
+/*-- mpi-gcd.c --*/
+int mpi_gcd(MPI g, const MPI a, const MPI b);
+
+/*-- mpi-pow.c --*/
+int mpi_pow(MPI w, MPI u, MPI v);
+int mpi_powm(MPI res, MPI base, MPI exp, MPI mod);
+
+/*-- mpi-mpow.c --*/
+int mpi_mulpowm(MPI res, MPI *basearray, MPI *exparray, MPI mod);
+
+/*-- mpi-cmp.c --*/
+int mpi_cmp_ui(MPI u, ulong v);
+int mpi_cmp(MPI u, MPI v);
+
+/*-- mpi-scan.c --*/
+int mpi_getbyte(MPI a, unsigned idx);
+void mpi_putbyte(MPI a, unsigned idx, int value);
+unsigned mpi_trailing_zeros(MPI a);
+
+/*-- mpi-bit.c --*/
+void mpi_normalize(MPI a);
+unsigned mpi_get_nbits(MPI a);
+int mpi_test_bit(MPI a, unsigned n);
+int mpi_set_bit(MPI a, unsigned n);
+int mpi_set_highbit(MPI a, unsigned n);
+void mpi_clear_highbit(MPI a, unsigned n);
+void mpi_clear_bit(MPI a, unsigned n);
+int mpi_rshift(MPI x, MPI a, unsigned n);
+
+/*-- mpi-inv.c --*/
+int mpi_invm(MPI x, MPI u, MPI v);
+
+#endif /*G10_MPI_H */
diff --git a/include/linux/security.h b/include/linux/security.h
index 98112cf93884..0ccceb9b1046 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -590,6 +590,8 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
  *      @reqprot contains the protection requested by the application.
  *      @prot contains the protection that will be applied by the kernel.
  *      @flags contains the operational flags.
+ *      @addr contains virtual address that will be used for the operation.
+ *      @addr_only contains a boolean: 0 if file-backed VMA, otherwise 1.
  *      Return 0 if permission is granted.
  * @file_mprotect:
  *      Check permissions before changing memory access permissions.
@@ -2043,7 +2045,7 @@ static inline void security_inode_free(struct inode *inode)
 static inline int security_inode_init_security(struct inode *inode,
                                                 struct inode *dir,
                                                 const struct qstr *qstr,
-                                                initxattrs initxattrs,
+                                                const initxattrs initxattrs,
                                                 void *fs_data)
 {
         return 0;