add wifi6 8852be driver

hc

2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da

 kernel/fs/ecryptfs/crypto.c
..
..
@@ -1,3 +1,4 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
1
2
 /**
2
3
  * eCryptfs: Linux filesystem encryption layer
3
4
  *
..
..
@@ -6,21 +7,6 @@
6
7
  * Copyright (C) 2004-2007 International Business Machines Corp.
7
8
  *   Author(s): Michael A. Halcrow <mahalcro@us.ibm.com>
8
9
  *   		Michael C. Thompson <mcthomps@us.ibm.com>
9
- *
10
- * This program is free software; you can redistribute it and/or
11
- * modify it under the terms of the GNU General Public License as
12
- * published by the Free Software Foundation; either version 2 of the
13
- * License, or (at your option) any later version.
14
- *
15
- * This program is distributed in the hope that it will be useful, but
16
- * WITHOUT ANY WARRANTY; without even the implied warranty of
17
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
18
- * General Public License for more details.
19
- *
20
- * You should have received a copy of the GNU General Public License
21
- * along with this program; if not, write to the Free Software
22
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
23
- * 02111-1307, USA.
24
10
  */
25
11
 
26
12
 #include <crypto/hash.h>
..
..
@@ -37,6 +23,7 @@
37
23
 #include <linux/slab.h>
38
24
 #include <asm/unaligned.h>
39
25
 #include <linux/kernel.h>
26
+#include <linux/xattr.h>
40
27
 #include "ecryptfs_kernel.h"
41
28
 
42
29
 #define DECRYPT		0
..
..
@@ -61,19 +48,6 @@
61
48
 	}
62
49
 }
63
50
 
64
-static int ecryptfs_hash_digest(struct crypto_shash *tfm,
65
-				char *src, int len, char *dst)
66
-{
67
-	SHASH_DESC_ON_STACK(desc, tfm);
68
-	int err;
69
-
70
-	desc->tfm = tfm;
71
-	desc->flags = CRYPTO_TFM_REQ_MAY_SLEEP;
72
-	err = crypto_shash_digest(desc, src, len, dst);
73
-	shash_desc_zero(desc);
74
-	return err;
75
-}
76
-
77
51
 /**
78
52
  * ecryptfs_calculate_md5 - calculates the md5 of @src
79
53
  * @dst: Pointer to 16 bytes of allocated memory
..
..
@@ -88,11 +62,8 @@
88
62
 				  struct ecryptfs_crypt_stat *crypt_stat,
89
63
 				  char *src, int len)
90
64
 {
91
-	struct crypto_shash *tfm;
92
-	int rc = 0;
65
+	int rc = crypto_shash_tfm_digest(crypt_stat->hash_tfm, src, len, dst);
93
66
 
94
-	tfm = crypt_stat->hash_tfm;
95
-	rc = ecryptfs_hash_digest(tfm, src, len, dst);
96
67
 	if (rc) {
97
68
 		printk(KERN_ERR
98
69
 		       "%s: Error computing crypto hash; rc = [%d]\n",
..
..
@@ -610,7 +581,8 @@
610
581
 				full_alg_name);
611
582
 		goto out_free;
612
583
 	}
613
-	crypto_skcipher_set_flags(crypt_stat->tfm, CRYPTO_TFM_REQ_WEAK_KEY);
584
+	crypto_skcipher_set_flags(crypt_stat->tfm,
585
+				  CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
614
586
 	rc = 0;
615
587
 out_free:
616
588
 	kfree(full_alg_name);
..
..
@@ -874,13 +846,10 @@
874
846
  * @crypt_stat: The cryptographic context
875
847
  * @page_virt: Source data to be parsed
876
848
  * @bytes_read: Updated with the number of bytes read
877
- *
878
- * Returns zero on success; non-zero if the flag set is invalid
879
849
  */
880
-static int ecryptfs_process_flags(struct ecryptfs_crypt_stat *crypt_stat,
850
+static void ecryptfs_process_flags(struct ecryptfs_crypt_stat *crypt_stat,
881
851
 				  char *page_virt, int *bytes_read)
882
852
 {
883
-	int rc = 0;
884
853
 	int i;
885
854
 	u32 flags;
886
855
 
..
..
@@ -893,7 +862,6 @@
893
862
 	/* Version is in top 8 bits of the 32-bit flag vector */
894
863
 	crypt_stat->file_version = ((flags >> 24) & 0xFF);
895
864
 	(*bytes_read) = 4;
896
-	return rc;
897
865
 }
898
866
 
899
867
 /**
..
..
@@ -1131,9 +1099,21 @@
1131
1099
 				 char *page_virt, size_t size)
1132
1100
 {
1133
1101
 	int rc;
1102
+	struct dentry *lower_dentry = ecryptfs_dentry_to_lower(ecryptfs_dentry);
1103
+	struct inode *lower_inode = d_inode(lower_dentry);
1134
1104
 
1135
-	rc = ecryptfs_setxattr(ecryptfs_dentry, ecryptfs_inode,
1136
-			       ECRYPTFS_XATTR_NAME, page_virt, size, 0);
1105
+	if (!(lower_inode->i_opflags & IOP_XATTR)) {
1106
+		rc = -EOPNOTSUPP;
1107
+		goto out;
1108
+	}
1109
+
1110
+	inode_lock(lower_inode);
1111
+	rc = __vfs_setxattr(lower_dentry, lower_inode, ECRYPTFS_XATTR_NAME,
1112
+			    page_virt, size, 0);
1113
+	if (!rc && ecryptfs_inode)
1114
+		fsstack_copy_attr_all(ecryptfs_inode, lower_inode);
1115
+	inode_unlock(lower_inode);
1116
+out:
1137
1117
 	return rc;
1138
1118
 }
1139
1119
 
..
..
@@ -1307,12 +1287,7 @@
1307
1287
 	if (!(crypt_stat->flags & ECRYPTFS_I_SIZE_INITIALIZED))
1308
1288
 		ecryptfs_i_size_init(page_virt, d_inode(ecryptfs_dentry));
1309
1289
 	offset += MAGIC_ECRYPTFS_MARKER_SIZE_BYTES;
1310
-	rc = ecryptfs_process_flags(crypt_stat, (page_virt + offset),
1311
-				    &bytes_read);
1312
-	if (rc) {
1313
-		ecryptfs_printk(KERN_WARNING, "Error processing flags\n");
1314
-		goto out;
1315
-	}
1290
+	ecryptfs_process_flags(crypt_stat, (page_virt + offset), &bytes_read);
1316
1291
 	if (crypt_stat->file_version > ECRYPTFS_SUPPORTED_FILE_VERSION) {
1317
1292
 		ecryptfs_printk(KERN_WARNING, "File version is [%d]; only "
1318
1293
 				"file version [%d] is supported by this "
..
..
@@ -1594,9 +1569,9 @@
1594
1569
 		       "[%s]; rc = [%d]\n", full_alg_name, rc);
1595
1570
 		goto out;
1596
1571
 	}
1597
-	crypto_skcipher_set_flags(*key_tfm, CRYPTO_TFM_REQ_WEAK_KEY);
1572
+	crypto_skcipher_set_flags(*key_tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
1598
1573
 	if (*key_size == 0)
1599
-		*key_size = crypto_skcipher_default_keysize(*key_tfm);
1574
+		*key_size = crypto_skcipher_max_keysize(*key_tfm);
1600
1575
 	get_random_bytes(dummy_key, *key_size);
1601
1576
 	rc = crypto_skcipher_setkey(*key_tfm, dummy_key, *key_size);
1602
1577
 	if (rc) {