Replace ugly tweak size computation with explicit tweak clean API.

[tfcrypt.git] / tfcrypt.h

diff --git a/tfcrypt.h b/tfcrypt.h
index 5c68552ebeaa92cc5d6d1de7b01e8027e69576e0..a36cc16cfb6cd1d06d10dad53d20acd14ff0951f 100644 (file)
--- a/tfcrypt.h
+++ b/tfcrypt.h
@@ -29,6 +29,9 @@
 #ifndef _TFCRYPT_H
 #define _TFCRYPT_H
 
+#ifndef _DEFAULT_SOURCE
+#define _DEFAULT_SOURCE
+#endif
 #ifndef _BSD_SOURCE
 #define _BSD_SOURCE
 #endif
@@ -116,6 +119,9 @@ int xmhexdump(int to, const void *data, size_t szdata, int hgroup, int hexstr, i
 #define mhexdump(data, szdata, group, newline) xmhexdump(1, data, szdata, group, do_full_hexdump, newline)
 #define mehexdump(data, szdata, group, newline) xmhexdump(2, data, szdata, group, do_full_hexdump, newline)
 
+size_t xstrlcpy(char *dst, const char *src, size_t size);
+size_t xstrlcat(char *dst, const char *src, size_t size);
+
 extern size_t nr_turns;
 extern int ctr_mode;
 extern size_t macbits;
@@ -124,7 +130,7 @@ extern tfc_byte tfc_salt[TFC_MAX_SALT];
 
 extern char *progname;
 extern int exitcode;
-extern tfc_byte key[TF_KEY_SIZE], ctr[TF_BLOCK_SIZE], xtskey[TF_KEY_SIZE], mackey[TF_FROM_BITS(TF_MAX_BITS)];
+extern tfc_byte key[TF_KEY_SIZE], ctr[TF_BLOCK_SIZE], xtskey[TF_KEY_SIZE], mackey[TF_FROM_BITS(TF_MAX_BITS)], tweak[TF_TWEAK_SIZE];
 extern struct skein sk;
 extern struct tfe_stream tfe;
 extern tfc_byte srcblk[TFC_BLKSIZE], dstblk[TFC_BLKSIZE], *pblk;
@@ -136,18 +142,19 @@ extern tfc_fsize total_processed_src, total_processed_dst;
 extern tfc_fsize delta_processed;
 extern tfc_fsize genrandom_nr_bytes, genzero_nr_bytes;
 extern tfc_fsize rdpos;
+extern tfc_fsize maxkeylen, keyoffset;
 extern int sfd, kfd, dfd;
 extern struct stat s_stat;
 extern size_t blksize, xtsblocks;
 extern char pwdask[512], pwdagain[512];
 extern size_t lio, lrem, ldone, lblock;
-extern size_t maxkeylen, ctrsz;
+extern size_t ctrsz;
 extern struct sigaction sigact;
 extern size_t sksum_turns;
 extern int do_edcrypt, do_stop, quiet, error_action;
 extern int counter_opt, mackey_opt, do_mac, do_outfmt, rawkey;
 extern int idx, write_flags;
-extern tfc_yesno catch_all_errors, password, overwrite_source, do_fsync, do_pad, do_tfcrypt1;
+extern tfc_yesno catch_all_errors, ignore_seek_errors, password, overwrite_source, do_fsync, do_pad, do_tfcrypt1;
 extern tfc_yesno do_preserve_time, do_stats_in_gibs, do_statline_dynamic, do_less_stats;
 extern tfc_yesno no_repeat, do_full_hexdump, verbose, statline_was_shown;
 extern char *srcfname, *dstfname, *do_mac_file, *counter_file, *sksum_hashlist_file;
@@ -157,6 +164,9 @@ extern tfc_useconds status_timer, bench_timer;
 extern tfc_useconds current_time, delta_time;
 extern struct getpasswd_state getps;
 
+size_t xread(int fd, void *data, size_t szdata);
+size_t xwrite(int fd, const void *data, size_t szdata);
+
 void xerror(tfc_yesno noexit, tfc_yesno noerrno, tfc_yesno nostats, const char *fmt, ...);
 void xexit(int status);
 void usage(void);
@@ -193,8 +203,9 @@ void change_status_width(int signal);
 void change_status_timer(int signal);
 void setup_next_alarm(tfc_useconds useconds);
 void skein(void *hash, size_t bits, const void *key, const void *data, size_t szdata);
-void tf_key_tweak_compat(void *key);
-tfc_yesno skeinfd(void *hash, size_t bits, const void *key, int fd, tfc_fsize readto);
+tfc_yesno skeinfd(void *hash, size_t bits, const void *key, int fd, tfc_fsize offset, tfc_fsize readto);
+
+void read_defaults(const char *path, tfc_yesno noerr);
 
 void gen_write_bytes(const char *foutname, tfc_fsize offset, tfc_fsize nrbytes);
 void do_edbase64(char **fargv);
@@ -214,6 +225,6 @@ enum {
        TFC_MODE_SKSUM = -2, TFC_MODE_PLAIN = -1, TFC_MODE_CTR = 1,
        TFC_MODE_STREAM, TFC_MODE_XTS, TFC_MODE_ECB, TFC_MODE_CBC, TFC_MODE_OCB
 };
-enum { TFC_CTR_SHOW = 1, TFC_CTR_HEAD, TFC_CTR_RAND };
+enum { TFC_CTR_SHOW = 1, TFC_CTR_HEAD, TFC_CTR_RAND, TFC_CTR_ZERO };
 
 #endif