1: /*************************************************************************
2: * (C) 2010 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com>
3: * by Michael Pounov <misho@openbsd-bg.org>
4: *
5: * $Author: misho $
6: * $Id: aitsync.h,v 1.3 2012/07/22 22:09:47 misho Exp $
7: *
8: **************************************************************************
9: The ELWIX and AITNET software is distributed under the following
10: terms:
11:
12: All of the documentation and software included in the ELWIX and AITNET
13: Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>
14:
15: Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
16: by Michael Pounov <misho@elwix.org>. All rights reserved.
17:
18: Redistribution and use in source and binary forms, with or without
19: modification, are permitted provided that the following conditions
20: are met:
21: 1. Redistributions of source code must retain the above copyright
22: notice, this list of conditions and the following disclaimer.
23: 2. Redistributions in binary form must reproduce the above copyright
24: notice, this list of conditions and the following disclaimer in the
25: documentation and/or other materials provided with the distribution.
26: 3. All advertising materials mentioning features or use of this software
27: must display the following acknowledgement:
28: This product includes software developed by Michael Pounov <misho@elwix.org>
29: ELWIX - Embedded LightWeight unIX and its contributors.
30: 4. Neither the name of AITNET nor the names of its contributors
31: may be used to endorse or promote products derived from this software
32: without specific prior written permission.
33:
34: THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND
35: ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
36: IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
37: ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
38: FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
39: DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
40: OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
41: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
42: LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
43: OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
44: SUCH DAMAGE.
45: */
46: #ifndef __AITSYNC_H
47: #define __AITSYNC_H
48:
49:
50: #include <sys/types.h>
51: #include <openssl/md5.h>
52:
53:
54: #define CHUNK_MAX 2048
55: #define DLTSYNC_MAGIC 0xD34DC0D3
56: #define SIGSYNC_MAGIC 0xDEADBEEF
57:
58: #ifndef STRSIZ
59: #define STRSIZ 256
60: #endif
61:
62:
63: typedef struct tagSyncChunk {
64: u_int sc_magic;
65: u_long sc_id;
66: off_t sc_off;
67: size_t sc_len;
68: u_int sc_roll;
69: u_char sc_cksum[MD5_DIGEST_LENGTH];
70: } sync_chunk_t;
71:
72:
73: struct tagDirName {
74: u_char ch;
75: u_short tag;
76: u_int hash;
77: char name[MAXPATHLEN];
78: char extra[STRSIZ];
79: };
80:
81:
82: // -------------------------------------------------------
83: // sync_GetErrno() Get error code of last operation
84: inline int sync_GetErrno();
85: // sync_GetError() Get error text of last operation
86: inline const char *sync_GetError();
87: // -------------------------------------------------------
88:
89: /*
90: * syncSignature() Calculate and create signature for diff
91: * @csInput = Input patched file name for calculating check sums
92: * @csSig = Output Signature file name
93: * @compress = 2 compress signatures output, 0 not compressed
94: * return: -1 error, 0 ok
95: */
96: int syncSignature(const char *csInput, const char *csSig, int compress);
97:
98: /*
99: * syncDelta() Create Delta patch file
100: * @csInput = Input original source file name for make delta patch file
101: * @csSig = Input Signature file name
102: * @csDelta = Output Delta patch file name
103: * @compress = 3 everything compress, 2 compressed signatures, 1 compress delta output, 0 not compressed
104: * return: -1 error, 0 ok, create delta patch, 1 ok, no differences and not create patch
105: */
106: int syncDelta(const char *csInput, const char *csSig, const char *csDelta, int compress);
107:
108: /*
109: * syncPatch() Apply delta patch file to target
110: * @csInput = Input target file name for patch
111: * @csDelta = Input Delta patch file name
112: * @csPatch = After applied patch create new alternate target file, if != NULL
113: * @compress = 1 compress delta input, 0 not compressed
114: * return: -1 error, 0 ok, create delta patch, 1 ok, no differences and not create patch
115: */
116: int syncPatch(const char *csInput, const char *csDelta, const char *csPatch, int compress);
117:
118:
119: /*
120: * sync_dircmp() Compare directories
121: * @csDir1 = Directory 1
122: * @csDir2 = Directory 2
123: * return: -1 error, 0 is equal or 1 different
124: */
125: int sync_dircmp(const char *csDir1, const char *csDir2);
126: /*
127: * sync_dirCSum() Calculate checksum of directory
128: * @csDir = Directory
129: * @md = Message digest allocated memory, must be free after use!
130: * return: -1 error or !=-1 ok
131: */
132: int sync_dirCSum(const char *csDir, u_char **md);
133: /*
134: * sync_dircmpList() Compare directories or directory and file list
135: * @csDir1 = Directory 1
136: * @csDir2 = Directory 2 or File list, if "-" get input from console
137: * @lm = Long mode options, 1 long output
138: * @list = Output diff list, after use must be free!
139: * return: -1 error, 0 is equal or >0 count of returned list items
140: */
141: int sync_dircmpList(const char *csDir1, const char *csDir2, int lm, struct tagDirName **list);
142:
143:
144: #endif
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