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-rw-r--r--fs/ecryptfs/crypto.c4
-rw-r--r--fs/ecryptfs/main.c26
2 files changed, 7 insertions, 23 deletions
diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c
index 2fe0f3af1a..d39a1a69fe 100644
--- a/fs/ecryptfs/crypto.c
+++ b/fs/ecryptfs/crypto.c
@@ -1606,9 +1606,7 @@ ecryptfs_add_new_key_tfm(struct ecryptfs_key_tfm **key_tfm, char *cipher_name,
goto out;
}
mutex_init(&tmp_tfm->key_tfm_mutex);
- strncpy(tmp_tfm->cipher_name, cipher_name,
- ECRYPTFS_MAX_CIPHER_NAME_SIZE);
- tmp_tfm->cipher_name[ECRYPTFS_MAX_CIPHER_NAME_SIZE] = '\0';
+ strscpy(tmp_tfm->cipher_name, cipher_name);
tmp_tfm->key_size = key_size;
rc = ecryptfs_process_key_cipher(&tmp_tfm->key_tfm,
tmp_tfm->cipher_name,
diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c
index 2dc927ba06..577c563023 100644
--- a/fs/ecryptfs/main.c
+++ b/fs/ecryptfs/main.c
@@ -256,11 +256,8 @@ static int ecryptfs_parse_options(struct ecryptfs_sb_info *sbi, char *options,
substring_t args[MAX_OPT_ARGS];
int token;
char *sig_src;
- char *cipher_name_dst;
char *cipher_name_src;
- char *fn_cipher_name_dst;
char *fn_cipher_name_src;
- char *fnek_dst;
char *fnek_src;
char *cipher_key_bytes_src;
char *fn_cipher_key_bytes_src;
@@ -293,12 +290,8 @@ static int ecryptfs_parse_options(struct ecryptfs_sb_info *sbi, char *options,
case ecryptfs_opt_cipher:
case ecryptfs_opt_ecryptfs_cipher:
cipher_name_src = args[0].from;
- cipher_name_dst =
- mount_crypt_stat->
- global_default_cipher_name;
- strncpy(cipher_name_dst, cipher_name_src,
- ECRYPTFS_MAX_CIPHER_NAME_SIZE);
- cipher_name_dst[ECRYPTFS_MAX_CIPHER_NAME_SIZE] = '\0';
+ strscpy(mount_crypt_stat->global_default_cipher_name,
+ cipher_name_src);
cipher_name_set = 1;
break;
case ecryptfs_opt_ecryptfs_key_bytes:
@@ -326,11 +319,8 @@ static int ecryptfs_parse_options(struct ecryptfs_sb_info *sbi, char *options,
break;
case ecryptfs_opt_fnek_sig:
fnek_src = args[0].from;
- fnek_dst =
- mount_crypt_stat->global_default_fnek_sig;
- strncpy(fnek_dst, fnek_src, ECRYPTFS_SIG_SIZE_HEX);
- mount_crypt_stat->global_default_fnek_sig[
- ECRYPTFS_SIG_SIZE_HEX] = '\0';
+ strscpy(mount_crypt_stat->global_default_fnek_sig,
+ fnek_src);
rc = ecryptfs_add_global_auth_tok(
mount_crypt_stat,
mount_crypt_stat->global_default_fnek_sig,
@@ -348,12 +338,8 @@ static int ecryptfs_parse_options(struct ecryptfs_sb_info *sbi, char *options,
break;
case ecryptfs_opt_fn_cipher:
fn_cipher_name_src = args[0].from;
- fn_cipher_name_dst =
- mount_crypt_stat->global_default_fn_cipher_name;
- strncpy(fn_cipher_name_dst, fn_cipher_name_src,
- ECRYPTFS_MAX_CIPHER_NAME_SIZE);
- mount_crypt_stat->global_default_fn_cipher_name[
- ECRYPTFS_MAX_CIPHER_NAME_SIZE] = '\0';
+ strscpy(mount_crypt_stat->global_default_fn_cipher_name,
+ fn_cipher_name_src);
fn_cipher_name_set = 1;
break;
case ecryptfs_opt_fn_cipher_key_bytes: