diff options
Diffstat (limited to 'fs/ecryptfs/ecryptfs_kernel.h')
| -rw-r--r-- | fs/ecryptfs/ecryptfs_kernel.h | 38 |
1 files changed, 22 insertions, 16 deletions
diff --git a/fs/ecryptfs/ecryptfs_kernel.h b/fs/ecryptfs/ecryptfs_kernel.h index 872c9958531..afb64bdbe6a 100644 --- a/fs/ecryptfs/ecryptfs_kernel.h +++ b/fs/ecryptfs/ecryptfs_kernel.h @@ -28,6 +28,8 @@ #include <keys/user-type.h> #include <linux/fs.h> +#include <linux/fs_stack.h> +#include <linux/namei.h> #include <linux/scatterlist.h> /* Version verification for shared data structures w/ userspace */ @@ -175,6 +177,7 @@ ecryptfs_get_key_payload_data(struct key *key) #define ECRYPTFS_DEFAULT_CIPHER "aes" #define ECRYPTFS_DEFAULT_KEY_BYTES 16 #define ECRYPTFS_DEFAULT_CHAINING_MODE CRYPTO_TFM_MODE_CBC +#define ECRYPTFS_DEFAULT_HASH "md5" #define ECRYPTFS_TAG_3_PACKET_TYPE 0x8C #define ECRYPTFS_TAG_11_PACKET_TYPE 0xED #define MD5_DIGEST_SIZE 16 @@ -204,15 +207,15 @@ struct ecryptfs_crypt_stat { size_t extent_shift; unsigned int extent_mask; struct ecryptfs_mount_crypt_stat *mount_crypt_stat; - struct crypto_tfm *tfm; - struct crypto_tfm *md5_tfm; /* Crypto context for generating - * the initialization vectors */ + struct crypto_blkcipher *tfm; + struct crypto_hash *hash_tfm; /* Crypto context for generating + * the initialization vectors */ unsigned char cipher[ECRYPTFS_MAX_CIPHER_NAME_SIZE]; unsigned char key[ECRYPTFS_MAX_KEY_BYTES]; unsigned char root_iv[ECRYPTFS_MAX_IV_BYTES]; unsigned char keysigs[ECRYPTFS_MAX_NUM_KEYSIGS][ECRYPTFS_SIG_SIZE_HEX]; struct mutex cs_tfm_mutex; - struct mutex cs_md5_tfm_mutex; + struct mutex cs_hash_tfm_mutex; struct mutex cs_mutex; }; @@ -226,8 +229,7 @@ struct ecryptfs_inode_info { /* dentry private data. Each dentry must keep track of a lower * vfsmount too. */ struct ecryptfs_dentry_info { - struct dentry *wdi_dentry; - struct vfsmount *lower_mnt; + struct path lower_path; struct ecryptfs_crypt_stat *crypt_stat; }; @@ -244,7 +246,7 @@ struct ecryptfs_mount_crypt_stat { struct ecryptfs_auth_tok *global_auth_tok; struct key *global_auth_tok_key; size_t global_default_cipher_key_size; - struct crypto_tfm *global_key_tfm; + struct crypto_blkcipher *global_key_tfm; struct mutex global_key_tfm_mutex; unsigned char global_default_cipher_name[ECRYPTFS_MAX_CIPHER_NAME_SIZE + 1]; @@ -354,26 +356,26 @@ ecryptfs_set_dentry_private(struct dentry *dentry, static inline struct dentry * ecryptfs_dentry_to_lower(struct dentry *dentry) { - return ((struct ecryptfs_dentry_info *)dentry->d_fsdata)->wdi_dentry; + return ((struct ecryptfs_dentry_info *)dentry->d_fsdata)->lower_path.dentry; } static inline void ecryptfs_set_dentry_lower(struct dentry *dentry, struct dentry *lower_dentry) { - ((struct ecryptfs_dentry_info *)dentry->d_fsdata)->wdi_dentry = + ((struct ecryptfs_dentry_info *)dentry->d_fsdata)->lower_path.dentry = lower_dentry; } static inline struct vfsmount * ecryptfs_dentry_to_lower_mnt(struct dentry *dentry) { - return ((struct ecryptfs_dentry_info *)dentry->d_fsdata)->lower_mnt; + return ((struct ecryptfs_dentry_info *)dentry->d_fsdata)->lower_path.mnt; } static inline void ecryptfs_set_dentry_lower_mnt(struct dentry *dentry, struct vfsmount *lower_mnt) { - ((struct ecryptfs_dentry_info *)dentry->d_fsdata)->lower_mnt = + ((struct ecryptfs_dentry_info *)dentry->d_fsdata)->lower_path.mnt = lower_mnt; } @@ -412,9 +414,6 @@ int ecryptfs_encode_filename(struct ecryptfs_crypt_stat *crypt_stat, const char *name, int length, char **encoded_name); struct dentry *ecryptfs_lower_dentry(struct dentry *this_dentry); -void ecryptfs_copy_attr_atime(struct inode *dest, const struct inode *src); -void ecryptfs_copy_attr_all(struct inode *dest, const struct inode *src); -void ecryptfs_copy_inode_size(struct inode *dst, const struct inode *src); void ecryptfs_dump_hex(char *data, int bytes); int virt_to_scatterlist(const void *addr, int size, struct scatterlist *sg, int sg_size); @@ -425,6 +424,9 @@ void ecryptfs_destruct_crypt_stat(struct ecryptfs_crypt_stat *crypt_stat); void ecryptfs_destruct_mount_crypt_stat( struct ecryptfs_mount_crypt_stat *mount_crypt_stat); int ecryptfs_init_crypt_ctx(struct ecryptfs_crypt_stat *crypt_stat); +int ecryptfs_crypto_api_algify_cipher_name(char **algified_name, + char *cipher_name, + char *chaining_modifier); int ecryptfs_write_inode_size_to_header(struct file *lower_file, struct inode *lower_inode, struct inode *inode); @@ -473,10 +475,14 @@ ecryptfs_parse_packet_set(struct ecryptfs_crypt_stat *crypt_stat, unsigned char *src, struct dentry *ecryptfs_dentry); int ecryptfs_truncate(struct dentry *dentry, loff_t new_length); int -ecryptfs_process_cipher(struct crypto_tfm **tfm, struct crypto_tfm **key_tfm, - char *cipher_name, size_t key_size); +ecryptfs_process_cipher(struct crypto_blkcipher **key_tfm, char *cipher_name, + size_t *key_size); int ecryptfs_inode_test(struct inode *inode, void *candidate_lower_inode); int ecryptfs_inode_set(struct inode *inode, void *lower_inode); void ecryptfs_init_inode(struct inode *inode, struct inode *lower_inode); +int ecryptfs_open_lower_file(struct file **lower_file, + struct dentry *lower_dentry, + struct vfsmount *lower_mnt, int flags); +int ecryptfs_close_lower_file(struct file *lower_file); #endif /* #ifndef ECRYPTFS_KERNEL_H */ |