| ecryptfs_kernel.h (17398957aa0a05ef62535060b41d103590dcc533) | ecryptfs_kernel.h (dd2a3b7ad98f8482cae481cad89dfed5eee48365) |
|---|---|
| 1/** 2 * eCryptfs: Linux filesystem encryption layer 3 * Kernel declarations. 4 * 5 * Copyright (C) 1997-2003 Erez Zadok 6 * Copyright (C) 2001-2003 Stony Brook University | 1/** 2 * eCryptfs: Linux filesystem encryption layer 3 * Kernel declarations. 4 * 5 * Copyright (C) 1997-2003 Erez Zadok 6 * Copyright (C) 2001-2003 Stony Brook University |
| 7 * Copyright (C) 2004-2006 International Business Machines Corp. | 7 * Copyright (C) 2004-2007 International Business Machines Corp. |
| 8 * Author(s): Michael A. Halcrow <mahalcro@us.ibm.com> 9 * Trevor S. Highland <trevor.highland@gmail.com> 10 * Tyler Hicks <tyhicks@ou.edu> 11 * 12 * This program is free software; you can redistribute it and/or 13 * modify it under the terms of the GNU General Public License as 14 * published by the Free Software Foundation; either version 2 of the 15 * License, or (at your option) any later version. --- 29 unchanged lines hidden (view full) --- 45 * how to behave. */ 46#define ECRYPTFS_VERSIONING_PASSPHRASE 0x00000001 47#define ECRYPTFS_VERSIONING_PUBKEY 0x00000002 48#define ECRYPTFS_VERSIONING_PLAINTEXT_PASSTHROUGH 0x00000004 49#define ECRYPTFS_VERSIONING_POLICY 0x00000008 50#define ECRYPTFS_VERSIONING_XATTR 0x00000010 51#define ECRYPTFS_VERSIONING_MASK (ECRYPTFS_VERSIONING_PASSPHRASE \ 52 | ECRYPTFS_VERSIONING_PLAINTEXT_PASSTHROUGH \ | 8 * Author(s): Michael A. Halcrow <mahalcro@us.ibm.com> 9 * Trevor S. Highland <trevor.highland@gmail.com> 10 * Tyler Hicks <tyhicks@ou.edu> 11 * 12 * This program is free software; you can redistribute it and/or 13 * modify it under the terms of the GNU General Public License as 14 * published by the Free Software Foundation; either version 2 of the 15 * License, or (at your option) any later version. --- 29 unchanged lines hidden (view full) --- 45 * how to behave. */ 46#define ECRYPTFS_VERSIONING_PASSPHRASE 0x00000001 47#define ECRYPTFS_VERSIONING_PUBKEY 0x00000002 48#define ECRYPTFS_VERSIONING_PLAINTEXT_PASSTHROUGH 0x00000004 49#define ECRYPTFS_VERSIONING_POLICY 0x00000008 50#define ECRYPTFS_VERSIONING_XATTR 0x00000010 51#define ECRYPTFS_VERSIONING_MASK (ECRYPTFS_VERSIONING_PASSPHRASE \ 52 | ECRYPTFS_VERSIONING_PLAINTEXT_PASSTHROUGH \ |
| 53 | ECRYPTFS_VERSIONING_PUBKEY) 54 | 53 | ECRYPTFS_VERSIONING_PUBKEY \ 54 | ECRYPTFS_VERSIONING_XATTR) |
| 55#define ECRYPTFS_MAX_PASSWORD_LENGTH 64 56#define ECRYPTFS_MAX_PASSPHRASE_BYTES ECRYPTFS_MAX_PASSWORD_LENGTH 57#define ECRYPTFS_SALT_SIZE 8 58#define ECRYPTFS_SALT_SIZE_HEX (ECRYPTFS_SALT_SIZE*2) 59/* The original signature size is only for what is stored on disk; all 60 * in-memory representations are expanded hex, so it better adapted to 61 * be passed around or referenced on the command line */ 62#define ECRYPTFS_SIG_SIZE 8 --- 15 unchanged lines hidden (view full) --- 78#define ECRYPTFS_NLMSG_RESPONSE 103 79#define ECRYPTFS_MAX_PKI_NAME_BYTES 16 80#define ECRYPTFS_DEFAULT_NUM_USERS 4 81#define ECRYPTFS_MAX_NUM_USERS 32768 82#define ECRYPTFS_TRANSPORT_NETLINK 0 83#define ECRYPTFS_TRANSPORT_CONNECTOR 1 84#define ECRYPTFS_TRANSPORT_RELAYFS 2 85#define ECRYPTFS_DEFAULT_TRANSPORT ECRYPTFS_TRANSPORT_NETLINK | 55#define ECRYPTFS_MAX_PASSWORD_LENGTH 64 56#define ECRYPTFS_MAX_PASSPHRASE_BYTES ECRYPTFS_MAX_PASSWORD_LENGTH 57#define ECRYPTFS_SALT_SIZE 8 58#define ECRYPTFS_SALT_SIZE_HEX (ECRYPTFS_SALT_SIZE*2) 59/* The original signature size is only for what is stored on disk; all 60 * in-memory representations are expanded hex, so it better adapted to 61 * be passed around or referenced on the command line */ 62#define ECRYPTFS_SIG_SIZE 8 --- 15 unchanged lines hidden (view full) --- 78#define ECRYPTFS_NLMSG_RESPONSE 103 79#define ECRYPTFS_MAX_PKI_NAME_BYTES 16 80#define ECRYPTFS_DEFAULT_NUM_USERS 4 81#define ECRYPTFS_MAX_NUM_USERS 32768 82#define ECRYPTFS_TRANSPORT_NETLINK 0 83#define ECRYPTFS_TRANSPORT_CONNECTOR 1 84#define ECRYPTFS_TRANSPORT_RELAYFS 2 85#define ECRYPTFS_DEFAULT_TRANSPORT ECRYPTFS_TRANSPORT_NETLINK |
| 86#define ECRYPTFS_XATTR_NAME "user.ecryptfs" |
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| 86 87#define RFC2440_CIPHER_DES3_EDE 0x02 88#define RFC2440_CIPHER_CAST_5 0x03 89#define RFC2440_CIPHER_BLOWFISH 0x04 90#define RFC2440_CIPHER_AES_128 0x07 91#define RFC2440_CIPHER_AES_192 0x08 92#define RFC2440_CIPHER_AES_256 0x09 93#define RFC2440_CIPHER_TWOFISH 0x0a --- 228 unchanged lines hidden (view full) --- 322 unsigned int index; 323 unsigned int counter; 324 struct ecryptfs_message *msg; 325 struct task_struct *task; 326 struct list_head node; 327 struct mutex mux; 328}; 329 | 87 88#define RFC2440_CIPHER_DES3_EDE 0x02 89#define RFC2440_CIPHER_CAST_5 0x03 90#define RFC2440_CIPHER_BLOWFISH 0x04 91#define RFC2440_CIPHER_AES_128 0x07 92#define RFC2440_CIPHER_AES_192 0x08 93#define RFC2440_CIPHER_AES_256 0x09 94#define RFC2440_CIPHER_TWOFISH 0x0a --- 228 unchanged lines hidden (view full) --- 323 unsigned int index; 324 unsigned int counter; 325 struct ecryptfs_message *msg; 326 struct task_struct *task; 327 struct list_head node; 328 struct mutex mux; 329}; 330 |
| 330extern struct list_head ecryptfs_msg_ctx_free_list; 331extern struct list_head ecryptfs_msg_ctx_alloc_list; 332extern struct mutex ecryptfs_msg_ctx_lists_mux; 333 334#define ecryptfs_uid_hash(uid) \ 335 hash_long((unsigned long)uid, ecryptfs_hash_buckets) 336extern struct hlist_head *ecryptfs_daemon_id_hash; 337extern struct mutex ecryptfs_daemon_id_hash_mux; 338extern int ecryptfs_hash_buckets; 339 340extern unsigned int ecryptfs_msg_counter; 341extern struct ecryptfs_msg_ctx *ecryptfs_msg_ctx_arr; | |
| 342extern unsigned int ecryptfs_transport; 343 344struct ecryptfs_daemon_id { 345 pid_t pid; 346 uid_t uid; 347 struct hlist_node id_chain; 348}; 349 --- 124 unchanged lines hidden (view full) --- 474extern struct kmem_cache *ecryptfs_auth_tok_list_item_cache; 475extern struct kmem_cache *ecryptfs_file_info_cache; 476extern struct kmem_cache *ecryptfs_dentry_info_cache; 477extern struct kmem_cache *ecryptfs_inode_info_cache; 478extern struct kmem_cache *ecryptfs_sb_info_cache; 479extern struct kmem_cache *ecryptfs_header_cache_0; 480extern struct kmem_cache *ecryptfs_header_cache_1; 481extern struct kmem_cache *ecryptfs_header_cache_2; | 331extern unsigned int ecryptfs_transport; 332 333struct ecryptfs_daemon_id { 334 pid_t pid; 335 uid_t uid; 336 struct hlist_node id_chain; 337}; 338 --- 124 unchanged lines hidden (view full) --- 463extern struct kmem_cache *ecryptfs_auth_tok_list_item_cache; 464extern struct kmem_cache *ecryptfs_file_info_cache; 465extern struct kmem_cache *ecryptfs_dentry_info_cache; 466extern struct kmem_cache *ecryptfs_inode_info_cache; 467extern struct kmem_cache *ecryptfs_sb_info_cache; 468extern struct kmem_cache *ecryptfs_header_cache_0; 469extern struct kmem_cache *ecryptfs_header_cache_1; 470extern struct kmem_cache *ecryptfs_header_cache_2; |
| 471extern struct kmem_cache *ecryptfs_xattr_cache; |
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| 482extern struct kmem_cache *ecryptfs_lower_page_cache; 483 484int ecryptfs_interpose(struct dentry *hidden_dentry, 485 struct dentry *this_dentry, struct super_block *sb, 486 int flag); 487int ecryptfs_fill_zeros(struct file *file, loff_t new_length); 488int ecryptfs_decode_filename(struct ecryptfs_crypt_stat *crypt_stat, 489 const char *name, int length, --- 10 unchanged lines hidden (view full) --- 500void ecryptfs_init_crypt_stat(struct ecryptfs_crypt_stat *crypt_stat); 501void ecryptfs_destruct_crypt_stat(struct ecryptfs_crypt_stat *crypt_stat); 502void ecryptfs_destruct_mount_crypt_stat( 503 struct ecryptfs_mount_crypt_stat *mount_crypt_stat); 504int ecryptfs_init_crypt_ctx(struct ecryptfs_crypt_stat *crypt_stat); 505int ecryptfs_crypto_api_algify_cipher_name(char **algified_name, 506 char *cipher_name, 507 char *chaining_modifier); | 472extern struct kmem_cache *ecryptfs_lower_page_cache; 473 474int ecryptfs_interpose(struct dentry *hidden_dentry, 475 struct dentry *this_dentry, struct super_block *sb, 476 int flag); 477int ecryptfs_fill_zeros(struct file *file, loff_t new_length); 478int ecryptfs_decode_filename(struct ecryptfs_crypt_stat *crypt_stat, 479 const char *name, int length, --- 10 unchanged lines hidden (view full) --- 490void ecryptfs_init_crypt_stat(struct ecryptfs_crypt_stat *crypt_stat); 491void ecryptfs_destruct_crypt_stat(struct ecryptfs_crypt_stat *crypt_stat); 492void ecryptfs_destruct_mount_crypt_stat( 493 struct ecryptfs_mount_crypt_stat *mount_crypt_stat); 494int ecryptfs_init_crypt_ctx(struct ecryptfs_crypt_stat *crypt_stat); 495int ecryptfs_crypto_api_algify_cipher_name(char **algified_name, 496 char *cipher_name, 497 char *chaining_modifier); |
| 508int ecryptfs_write_inode_size_to_header(struct file *lower_file, 509 struct inode *lower_inode, 510 struct inode *inode); | 498#define ECRYPTFS_LOWER_I_MUTEX_NOT_HELD 0 499#define ECRYPTFS_LOWER_I_MUTEX_HELD 1 500int ecryptfs_write_inode_size_to_metadata(struct file *lower_file, 501 struct inode *lower_inode, 502 struct inode *inode, 503 struct dentry *ecryptfs_dentry, 504 int lower_i_mutex_held); |
| 511int ecryptfs_get_lower_page(struct page **lower_page, struct inode *lower_inode, 512 struct file *lower_file, 513 unsigned long lower_page_index, int byte_offset, 514 int region_bytes); 515int 516ecryptfs_commit_lower_page(struct page *lower_page, struct inode *lower_inode, 517 struct file *lower_file, int byte_offset, 518 int region_size); --- 5 unchanged lines hidden (view full) --- 524 char **lower_virt, 525 struct inode *lower_inode, 526 unsigned long lower_page_index); 527int ecryptfs_writepage_and_release_lower_page(struct page *lower_page, 528 struct inode *lower_inode, 529 struct writeback_control *wbc); 530int ecryptfs_encrypt_page(struct ecryptfs_page_crypt_context *ctx); 531int ecryptfs_decrypt_page(struct file *file, struct page *page); | 505int ecryptfs_get_lower_page(struct page **lower_page, struct inode *lower_inode, 506 struct file *lower_file, 507 unsigned long lower_page_index, int byte_offset, 508 int region_bytes); 509int 510ecryptfs_commit_lower_page(struct page *lower_page, struct inode *lower_inode, 511 struct file *lower_file, int byte_offset, 512 int region_size); --- 5 unchanged lines hidden (view full) --- 518 char **lower_virt, 519 struct inode *lower_inode, 520 unsigned long lower_page_index); 521int ecryptfs_writepage_and_release_lower_page(struct page *lower_page, 522 struct inode *lower_inode, 523 struct writeback_control *wbc); 524int ecryptfs_encrypt_page(struct ecryptfs_page_crypt_context *ctx); 525int ecryptfs_decrypt_page(struct file *file, struct page *page); |
| 532int ecryptfs_write_headers(struct dentry *ecryptfs_dentry, | 526int ecryptfs_write_metadata(struct dentry *ecryptfs_dentry, 527 struct file *lower_file); 528int ecryptfs_read_metadata(struct dentry *ecryptfs_dentry, |
| 533 struct file *lower_file); | 529 struct file *lower_file); |
| 534int ecryptfs_write_headers_virt(char *page_virt, 535 struct ecryptfs_crypt_stat *crypt_stat, 536 struct dentry *ecryptfs_dentry); 537int ecryptfs_read_headers(struct dentry *ecryptfs_dentry, 538 struct file *lower_file); | |
| 539int ecryptfs_new_file_context(struct dentry *ecryptfs_dentry); | 530int ecryptfs_new_file_context(struct dentry *ecryptfs_dentry); |
| 540int contains_ecryptfs_marker(char *data); 541int ecryptfs_read_header_region(char *data, struct dentry *dentry, 542 struct vfsmount *mnt); | 531int ecryptfs_read_and_validate_header_region(char *data, struct dentry *dentry, 532 struct vfsmount *mnt); 533int ecryptfs_read_and_validate_xattr_region(char *page_virt, 534 struct dentry *ecryptfs_dentry); |
| 543u16 ecryptfs_code_for_cipher_string(struct ecryptfs_crypt_stat *crypt_stat); 544int ecryptfs_cipher_code_to_string(char *str, u16 cipher_code); 545void ecryptfs_set_default_sizes(struct ecryptfs_crypt_stat *crypt_stat); 546int ecryptfs_generate_key_packet_set(char *dest_base, 547 struct ecryptfs_crypt_stat *crypt_stat, 548 struct dentry *ecryptfs_dentry, 549 size_t *len, size_t max); 550int process_request_key_err(long err_code); --- 6 unchanged lines hidden (view full) --- 557 size_t *key_size); 558int ecryptfs_inode_test(struct inode *inode, void *candidate_lower_inode); 559int ecryptfs_inode_set(struct inode *inode, void *lower_inode); 560void ecryptfs_init_inode(struct inode *inode, struct inode *lower_inode); 561int ecryptfs_open_lower_file(struct file **lower_file, 562 struct dentry *lower_dentry, 563 struct vfsmount *lower_mnt, int flags); 564int ecryptfs_close_lower_file(struct file *lower_file); | 535u16 ecryptfs_code_for_cipher_string(struct ecryptfs_crypt_stat *crypt_stat); 536int ecryptfs_cipher_code_to_string(char *str, u16 cipher_code); 537void ecryptfs_set_default_sizes(struct ecryptfs_crypt_stat *crypt_stat); 538int ecryptfs_generate_key_packet_set(char *dest_base, 539 struct ecryptfs_crypt_stat *crypt_stat, 540 struct dentry *ecryptfs_dentry, 541 size_t *len, size_t max); 542int process_request_key_err(long err_code); --- 6 unchanged lines hidden (view full) --- 549 size_t *key_size); 550int ecryptfs_inode_test(struct inode *inode, void *candidate_lower_inode); 551int ecryptfs_inode_set(struct inode *inode, void *lower_inode); 552void ecryptfs_init_inode(struct inode *inode, struct inode *lower_inode); 553int ecryptfs_open_lower_file(struct file **lower_file, 554 struct dentry *lower_dentry, 555 struct vfsmount *lower_mnt, int flags); 556int ecryptfs_close_lower_file(struct file *lower_file); |
| 557ssize_t ecryptfs_getxattr(struct dentry *dentry, const char *name, void *value, 558 size_t size); 559int 560ecryptfs_setxattr(struct dentry *dentry, const char *name, const void *value, 561 size_t size, int flags); |
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| 565 566int ecryptfs_process_helo(unsigned int transport, uid_t uid, pid_t pid); 567int ecryptfs_process_quit(uid_t uid, pid_t pid); 568int ecryptfs_process_response(struct ecryptfs_message *msg, uid_t uid, 569 pid_t pid, u32 seq); 570int ecryptfs_send_message(unsigned int transport, char *data, int data_len, 571 struct ecryptfs_msg_ctx **msg_ctx); 572int ecryptfs_wait_for_response(struct ecryptfs_msg_ctx *msg_ctx, --- 18 unchanged lines hidden --- | 562 563int ecryptfs_process_helo(unsigned int transport, uid_t uid, pid_t pid); 564int ecryptfs_process_quit(uid_t uid, pid_t pid); 565int ecryptfs_process_response(struct ecryptfs_message *msg, uid_t uid, 566 pid_t pid, u32 seq); 567int ecryptfs_send_message(unsigned int transport, char *data, int data_len, 568 struct ecryptfs_msg_ctx **msg_ctx); 569int ecryptfs_wait_for_response(struct ecryptfs_msg_ctx *msg_ctx, --- 18 unchanged lines hidden --- |