libaitsync/src/aitsync.c - diff

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Diff for /libaitsync/src/aitsync.c between versions 1.1.1.1 and 1.3.2.2

version 1.1.1.1, 2010/03/24 16:00:15	version 1.3.2.2, 2012/11/13 10:30:44
Line 5	Line 5
* $Author$	* $Author$
* $Id$	* $Id$
*	*
*************************************************************************/	**************************************************************************
	The ELWIX and AITNET software is distributed under the following
	terms:

	All of the documentation and software included in the ELWIX and AITNET
	Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>

	Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
	by Michael Pounov <misho@elwix.org>. All rights reserved.

	Redistribution and use in source and binary forms, with or without
	modification, are permitted provided that the following conditions
	are met:
	1. Redistributions of source code must retain the above copyright
	notice, this list of conditions and the following disclaimer.
	2. Redistributions in binary form must reproduce the above copyright
	notice, this list of conditions and the following disclaimer in the
	documentation and/or other materials provided with the distribution.
	3. All advertising materials mentioning features or use of this software
	must display the following acknowledgement:
	This product includes software developed by Michael Pounov <misho@elwix.org>
	ELWIX - Embedded LightWeight unIX and its contributors.
	4. Neither the name of AITNET nor the names of its contributors
	may be used to endorse or promote products derived from this software
	without specific prior written permission.

	THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND
	ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	SUCH DAMAGE.
	*/
#include "global.h"	#include "global.h"
#include "tool.h"	#include "tool.h"
#include "zc.h"	#include "zc.h"
Line 17 static int sync_Errno;	Line 54 static int sync_Errno;
static char sync_Error[STRSIZ];	static char sync_Error[STRSIZ];


static inline int func_comp(sync_tag_t const t1, sync_tag_t const t2)	static inline int
	func_comp(sync_tag_t const t1, sync_tag_t const t2)
{	{
return t1->st_tag - t2->st_tag;	return t1->st_tag - t2->st_tag;
}	}

//	/*
// Error maintenance functions ...	* Error maintenance functions ...
//	*/

// sync_GetErrno() Get error code of last operation	// sync_GetErrno() Get error code of last operation
inline int sync_GetErrno()	inline int
	sync_GetErrno()
{	{
return sync_Errno;	return sync_Errno;
}	}

// sync_GetError() Get error text of last operation	// sync_GetError() Get error text of last operation
inline const char *sync_GetError()	inline const char *
	sync_GetError()
{	{
return sync_Error;	return sync_Error;
}	}

// sync_SetErr() Set error to variables for internal use!!!	// sync_SetErr() Set error to variables for internal use!!!
inline void syncSetErr(int eno, char *estr, ...)	inline void
	sync_SetErr(int eno, char *estr, ...)
{	{
va_list lst;	va_list lst;

Line 50 inline void syncSetErr(int eno, char *estr, ...)	Line 91 inline void syncSetErr(int eno, char *estr, ...)
va_end(lst);	va_end(lst);
}	}

// ----------------------------------------------------------	/* ---------------------------------------------------------- */

/*	/*
* syncSignature() Calculate and create signature for diff	* syncSignature() - Calculate and create signature for diff
* @csInput = Input patched file name for calculating check sums	*
	* @csInput = Input file name for calculating check sums
* @csSig = Output Signature file name	* @csSig = Output Signature file name
	* @compress = 2 compress signatures output, 0 not compressed
* return: -1 error, 0 ok	* return: -1 error, 0 ok
*/	*/
int syncSignature(const char csInput, const char csSig)	int
	syncSignature(const char csInput, const char csSig, int compress)
{	{
int inf, outf, ret;	int inf, outf, f, ret;
u_char buf[CHUNK_MAX];	u_char buf[CHUNK_MAX];
register int i = 0;	register int i = 0;
off_t off = 0ll;	off_t off = 0ll;
sync_chunk_t sc;	sync_chunk_t sc;
	char szTemp[MAXPATHLEN];

inf = syncOpen(csInput, O_RDONLY);	/* open work files */
	inf = sync_Open(csInput, O_RDONLY, 0);
if (inf == -1)	if (inf == -1)
return inf;	return inf;
outf = syncOpen(csSig, O_WRONLY);	if (compress & 2)
if (outf == -1) {	f = sync_Temp(szTemp, MAXPATHLEN);
syncClose(inf);	else
return outf;	f = sync_Open(csSig, O_WRONLY, 0);
	if (f == -1) {
	sync_Close(inf);
	return f;
}	}

for (i = 0, off = 0ll, ret = -1; ret; i++, off += ret) {	for (i = 0, off = 0ll, ret = -1; ret; i++, off += ret) {
memset(buf, 0, CHUNK_MAX);	memset(buf, 0, CHUNK_MAX);
ret = read(inf, buf, CHUNK_MAX);	ret = read(inf, buf, CHUNK_MAX);
if (ret == -1) {	if (ret == -1) {
SETERR;	LOGERR;
break;	break;
}	}

// fill chunk	/* fill chunk */
sync_mksig(i, off, buf, ret, &sc);	sync_mksig(i, off, buf, ret, &sc);

if (write(outf, &sc, sizeof sc) == -1) {	if (write(f, &sc, sizeof sc) == -1) {
SETERR;	LOGERR;
break;	break;
}	}
}	}

syncClose(outf);	/* Signatures is READY */
syncClose(inf);
	if (compress & 2) {
	/* build compressed delta file */
	outf = sync_Open(csSig, O_WRONLY, 0);
	if (outf == -1) {
	ret = outf;
	goto end;
	}
	if (sync_Deflate(f, outf, Z_DEFAULT_COMPRESSION) == -1) {
	sync_Close(outf);
	unlink(csSig);
	ret = -1;
	goto end;
	}
	sync_Close(outf);
	}
	end:
	sync_Close(f);
	if (compress & 2)
	unlink(szTemp);
	sync_Close(inf);
return ret;	return ret;
}	}

Line 102 int syncSignature(const char csInput, const char csS	Line 171 int syncSignature(const char csInput, const char csS
* @csInput = Input original source file name for make delta patch file	* @csInput = Input original source file name for make delta patch file
* @csSig = Input Signature file name	* @csSig = Input Signature file name
* @csDelta = Output Delta patch file name	* @csDelta = Output Delta patch file name
* @compress = Compress output, 0 not compressed	* @compress = 3 everything compress, 2 compressed signatures, 1 compress delta output, 0 not compressed
* return: -1 error, 0 ok	* return: -1 error, 0 ok
*/	*/
int syncDelta(const char csInput, const char csSig, const char *csDelta, int compress)	int
	syncDelta(const char csInput, const char csSig, const char *csDelta, int compress)
{	{
int inf, outf, f, sigf, ret, cnt;	int inf, outf, f, sigf, ret, cnt;
size_t blk;	size_t blk;
Line 120 int syncDelta(const char csInput, const char csSig,	Line 190 int syncDelta(const char csInput, const char csSig,

/* load signatures */	/* load signatures */

sigf = syncOpen(csSig, O_RDONLY);	if (compress & 2) {
if (sigf == -1) {	f = sync_Open(csSig, O_RDONLY, 0);
return sigf;	if (-1 == f)
	return f;
	sigf = sync_Temp(szTemp, MAXPATHLEN);
	if (-1 == sigf) {
	sync_Close(f);
	return sigf;
	}

	if (sync_Inflate(f, sigf) == -1) {
	sync_Close(sigf);
	sync_Close(f);
	unlink(szTemp);
	return -1;
	} else
	sync_Close(f);
	} else {
	sigf = sync_Open(csSig, O_RDONLY, 0);
	if (-1 == sigf)
	return sigf;
}	}

if (fstat(sigf, &sb) == -1) {	if (fstat(sigf, &sb) == -1) {
SETERR;	LOGERR;
syncClose(sigf);	sync_Close(sigf);
	if (compress & 2)
	unlink(szTemp);
return -1;	return -1;
} else {	} else {
if (!sb.st_size) {	if (!sb.st_size) {
syncClose(sigf);	sync_Close(sigf);
	if (compress & 2)
	unlink(szTemp);
return 1;	return 1;
}	}

cnt = sb.st_size / sizeof(sync_chunk_t);	cnt = sb.st_size / sizeof(sync_chunk_t);
if (sb.st_size % sizeof(sync_chunk_t)) {	if (sb.st_size % sizeof(sync_chunk_t)) {
syncSetErr(ENOEXEC, "Error:: signature file is broken!\n");	sync_SetErr(ENOEXEC, "Error:: signature file is broken!\n");
syncClose(sigf);	sync_Close(sigf);
	if (compress & 2)
	unlink(szTemp);
return -1;	return -1;
}	}
}	}
chunks = (sync_chunk_t*) mmap(0, sb.st_size, PROT_READ, MAP_PRIVATE, sigf, 0);	chunks = (sync_chunk_t*) mmap(0, sb.st_size, PROT_READ, MAP_PRIVATE, sigf, 0);
if (MAP_FAILED == chunks) {	if (MAP_FAILED == chunks) {
SETERR;	LOGERR;
syncClose(sigf);	sync_Close(sigf);
	if (compress & 2)
	unlink(szTemp);
return -1;	return -1;
	} else {
	sync_Close(sigf);
	if (compress & 2)
	unlink(szTemp);
}	}
syncClose(sigf);

/* build from signatures sorted index and hashes */	/* build from signatures sorted index and hashes */

Line 158 int syncDelta(const char csInput, const char csSig,	Line 258 int syncDelta(const char csInput, const char csSig,
// build index from signature blocks	// build index from signature blocks
tag_table = (sync_tag_t*) calloc(cnt, sizeof(sync_tag_t));	tag_table = (sync_tag_t*) calloc(cnt, sizeof(sync_tag_t));
if (!tag_table) {	if (!tag_table) {
SETERR;	LOGERR;
munmap(chunks, sb.st_size);	munmap(chunks, sb.st_size);
return -1;	return -1;
} else {	} else {
Line 175 int syncDelta(const char csInput, const char csSig,	Line 275 int syncDelta(const char csInput, const char csSig,

/* build delta patch */	/* build delta patch */

inf = syncOpen(csInput, O_RDONLY);	inf = sync_Open(csInput, O_RDONLY, 0);
if (inf == -1) {	if (inf == -1) {
free(tag_table);	free(tag_table);
munmap(chunks, sb.st_size);	munmap(chunks, sb.st_size);
return inf;	return inf;
}	}
if (compress)	if (compress & 1)
f = syncTemp(szTemp, MAXPATHLEN);	f = sync_Temp(szTemp, MAXPATHLEN);
else	else
f = syncOpen(csDelta, O_WRONLY);	f = sync_Open(csDelta, O_WRONLY, 0);
if (f == -1) {	if (f == -1) {
syncClose(inf);	sync_Close(inf);
free(tag_table);	free(tag_table);
munmap(chunks, sb.st_size);	munmap(chunks, sb.st_size);
return f;	return f;
Line 194 int syncDelta(const char csInput, const char csSig,	Line 294 int syncDelta(const char csInput, const char csSig,

for (i = 0, off = 0ll, ret = -1, blk = 0; (ret = read(inf, buf, CHUNK_MAX)); i++, off += ret) {	for (i = 0, off = 0ll, ret = -1, blk = 0; (ret = read(inf, buf, CHUNK_MAX)); i++, off += ret) {
if (ret == -1) {	if (ret == -1) {
SETERR;	LOGERR;
break;	break;
}	}
find = NULL;	find = NULL;
Line 229 int syncDelta(const char csInput, const char csSig,	Line 329 int syncDelta(const char csInput, const char csSig,
// write signature of current chunk	// write signature of current chunk
ret = write(f, &sc, sizeof sc);	ret = write(f, &sc, sizeof sc);
if (-1 == ret) {	if (-1 == ret) {
SETERR;	LOGERR;
break;	break;
}	}
// if write chunk len is differnt from requested len	// if write chunk len is differnt from requested len
if (ret != sizeof sc) {	if (ret != sizeof sc) {
syncSetErr(ENOEXEC, "Error:: delta file signature is broken!\n");	sync_SetErr(ENOEXEC, "Error:: delta file signature is broken!\n");
ret = -1;	ret = -1;
break;	break;
}	}
// write current chunk ...	// write current chunk ...
ret = write(f, buf, sc.sc_len);	ret = write(f, buf, sc.sc_len);
if (-1 == ret) {	if (-1 == ret) {
SETERR;	LOGERR;
break;	break;
}	}
// if write chunk len is differnt from requested len	// if write chunk len is differnt from requested len
if (ret != sc.sc_len) {	if (ret != sc.sc_len) {
syncSetErr(ENOEXEC, "Error:: delta file data is broken!\n");	sync_SetErr(ENOEXEC, "Error:: delta file data is broken!\n");
ret = -1;	ret = -1;
break;	break;
}	}
Line 262 int syncDelta(const char csInput, const char csSig,	Line 362 int syncDelta(const char csInput, const char csSig,
// write signature from chunk B	// write signature from chunk B
blk = write(f, &sc, sizeof sc);	blk = write(f, &sc, sizeof sc);
if (-1 == blk) {	if (-1 == blk) {
SETERR;	LOGERR;
break;	break;
}	}
// if write chunk len is differnt from requested len	// if write chunk len is differnt from requested len
if (blk != sizeof sc) {	if (blk != sizeof sc) {
syncSetErr(ENOEXEC, "Error:: delta file end signature is broken!\n");	sync_SetErr(ENOEXEC, "Error:: delta file end signature is broken!\n");
ret = -1;	ret = -1;
break;	break;
}	}
Line 280 int syncDelta(const char csInput, const char csSig,	Line 380 int syncDelta(const char csInput, const char csSig,
goto end;	goto end;
fsync(f);	fsync(f);
if (fstat(f, &sb_f) == -1) {	if (fstat(f, &sb_f) == -1) {
SETERR;	LOGERR;
ret = -1;	ret = -1;
goto end;	goto end;
}	}
Line 294 int syncDelta(const char csInput, const char csSig,	Line 394 int syncDelta(const char csInput, const char csSig,
/* Delta patch is READY */	/* Delta patch is READY */

// build compressed delta file	// build compressed delta file
if (compress) {	if (compress & 1) {
outf = syncOpen(csDelta, O_WRONLY);	outf = sync_Open(csDelta, O_WRONLY, 0);
if (outf == -1) {	if (outf == -1) {
ret = outf;	ret = outf;
goto end;	goto end;
}	}
if (sync_Deflate(f, outf, Z_DEFAULT_COMPRESSION) == -1) {	if (sync_Deflate(f, outf, Z_DEFAULT_COMPRESSION) == -1) {
syncClose(outf);	sync_Close(outf);
unlink(csDelta);	unlink(csDelta);
ret = -1;	ret = -1;
goto end;	goto end;
}	}
syncClose(outf);	sync_Close(outf);
}	}

end:	end:
syncClose(f);	sync_Close(f);
unlink(szTemp);	if (compress & 1)
	unlink(szTemp);

syncClose(inf);	sync_Close(inf);
free(tag_table);	free(tag_table);
munmap(chunks, sb.st_size);	munmap(chunks, sb.st_size);
return ret;	return ret;
Line 324 end:	Line 425 end:
* @csInput = Input target file name for patch	* @csInput = Input target file name for patch
* @csDelta = Input Delta patch file name	* @csDelta = Input Delta patch file name
* @csPatch = After applied patch create new alternate target file, if != NULL	* @csPatch = After applied patch create new alternate target file, if != NULL
* @compress = Compress output, 0 not compressed	* @compress = 1 compress delta input, 0 not compressed
* return: -1 error, 0 ok, create delta patch, 1 ok, no differences and not create patch	* return: -1 error, 0 ok, create delta patch, 1 ok, no differences and not create patch
*/	*/
int syncPatch(const char csInput, const char csDelta, const char *csPatch, int compress)	int
	syncPatch(const char csInput, const char csDelta, const char *csPatch, int compress)
{	{
int inf, outf, f, d, ret, readlen;	int inf, outf, f, d, ret, readlen;
char szTemp[MAXPATHLEN];	char szTemp[MAXPATHLEN];
Line 339 int syncPatch(const char csInput, const char csDelta	Line 441 int syncPatch(const char csInput, const char csDelta
off_t off;	off_t off;
sync_chunk_t sc, *suffix;	sync_chunk_t sc, *suffix;

if (compress) {	if (compress & 1) {
f = syncOpen(csDelta, O_RDONLY);	f = sync_Open(csDelta, O_RDONLY, 0);
if (f == -1)	if (f == -1)
return f;	return f;
d = syncTemp(szTemp, MAXPATHLEN);	d = sync_Temp(szTemp, MAXPATHLEN);
if (d == -1) {	if (d == -1) {
syncClose(f);	sync_Close(f);
return d;	return d;
}	}

if (sync_Inflate(f, d) == -1) {	if (sync_Inflate(f, d) == -1) {
syncClose(d);	sync_Close(d);
syncClose(f);	sync_Close(f);
unlink(szTemp);	unlink(szTemp);
return -1;	return -1;
} else	} else
syncClose(f);	sync_Close(f);
} else {	} else {
d = syncOpen(csDelta, O_RDONLY);	d = sync_Open(csDelta, O_RDONLY, 0);
if (d == -1)	if (d == -1)
return d;	return d;
}	}

if (fstat(d, &sb) == -1) {	if (fstat(d, &sb) == -1) {
SETERR;	LOGERR;
syncClose(d);	sync_Close(d);
if (compress)	if (compress & 1)
unlink(szTemp);	unlink(szTemp);
return -1;	return -1;
}	}
delta = mmap(0, sb.st_size, PROT_READ, MAP_PRIVATE, d, 0);	delta = mmap(0, sb.st_size, PROT_READ, MAP_PRIVATE, d, 0);
if (MAP_FAILED == delta) {	if (MAP_FAILED == delta) {
SETERR;	LOGERR;
syncClose(d);	sync_Close(d);
if (compress)	if (compress & 1)
unlink(szTemp);	unlink(szTemp);
return -1;	return -1;
} else {	} else {
syncClose(d);	sync_Close(d);
if (compress)	if (compress & 1)
unlink(szTemp);	unlink(szTemp);
}	}

if (sync_buildPatch(delta, sb.st_size, &pieces) == -1 \|\| !pieces) {	if (sync_buildPatch(delta, sb.st_size, &pieces) == -1 \|\| !pieces) {
syncSetErr(ENOEXEC, "Error:: patch file is broken!\n");	sync_SetErr(ENOEXEC, "Error:: patch file is broken!\n");
munmap(delta, sb.st_size);	munmap(delta, sb.st_size);
return -1;	return -1;
}	}

inf = syncOpen(csInput, O_RDONLY);	inf = sync_Open(csInput, O_RDONLY, 0);
if (inf == -1) {	if (inf == -1) {
if (pieces)	if (pieces)
free(pieces);	free(pieces);
munmap(delta, sb.st_size);	munmap(delta, sb.st_size);
return inf;	return inf;
}	}
outf = syncOpen(csPatch, O_WRONLY);	outf = sync_Open(csPatch, O_WRONLY, 0);
if (outf == -1) {	if (outf == -1) {
syncClose(inf);	sync_Close(inf);
if (pieces)	if (pieces)
free(pieces);	free(pieces);
munmap(delta, sb.st_size);	munmap(delta, sb.st_size);
Line 405 int syncPatch(const char csInput, const char csDelta	Line 507 int syncPatch(const char csInput, const char csDelta
}	}

if (fstat(inf, &sb) == -1) {	if (fstat(inf, &sb) == -1) {
SETERR;	LOGERR;
ret = -1;	ret = -1;
goto end;	goto end;
} else {	} else {
Line 425 int syncPatch(const char csInput, const char csDelta	Line 527 int syncPatch(const char csInput, const char csDelta
if (off < sb.st_size) {	if (off < sb.st_size) {
readlen = read(inf, buf, CHUNK_MAX);	readlen = read(inf, buf, CHUNK_MAX);
if (readlen == -1) {	if (readlen == -1) {
SETERR;	LOGERR;
ret = -1;	ret = -1;
break;	break;
}	}
// if suffix find, check for correct patch	// if suffix find, check for correct patch
if (suffix) {	if (suffix) {
if (suffix->sc_len != readlen \|\| suffix->sc_off != off) {	if (suffix->sc_len != readlen \|\| suffix->sc_off != off) {
syncSetErr(ENOEXEC, "Error:: patch file is broken! (wrong suffix pos)\n");	sync_SetErr(ENOEXEC, "Error:: patch file is broken! (wrong suffix pos)\n");
ret = -1;	ret = -1;
break;	break;
}	}
sync_mksig(i, off, buf, readlen, &sc);	sync_mksig(i, off, buf, readlen, &sc);
if (sc.sc_roll != suffix->sc_roll \|\|	if (sc.sc_roll != suffix->sc_roll \|\|
memcmp(sc.sc_cksum, suffix->sc_cksum, MD5_DIGEST_LENGTH)) {	memcmp(sc.sc_cksum, suffix->sc_cksum, MD5_DIGEST_LENGTH)) {
syncSetErr(ENOEXEC, "Error:: patch file is broken! (wrong suffix crc)\n");	sync_SetErr(ENOEXEC, "Error:: patch file is broken! (wrong suffix crc)\n");
ret = -1;	ret = -1;
break;	break;
}	}
Line 456 int syncPatch(const char csInput, const char csDelta	Line 558 int syncPatch(const char csInput, const char csDelta
// if delta chunk match!	// if delta chunk match!
if (piece->pfx && piece->pfx->sc_off == off) {	if (piece->pfx && piece->pfx->sc_off == off) {
if (!piece->buf) {	if (!piece->buf) {
syncSetErr(ENOEXEC, "Error:: patch file is broken! (missing data)\n");	sync_SetErr(ENOEXEC, "Error:: patch file is broken! (missing data)\n");
ret = -1;	ret = -1;
break;	break;
}	}
Line 468 int syncPatch(const char csInput, const char csDelta	Line 570 int syncPatch(const char csInput, const char csDelta
piece++;	piece++;

if (suffix && off >= sb.st_size) {	if (suffix && off >= sb.st_size) {
syncSetErr(ENOEXEC, "Error:: patch file is broken! (after eof find suffix)\n");	sync_SetErr(ENOEXEC, "Error:: patch file is broken! (after eof find suffix)\n");
ret = -1;	ret = -1;
break;	break;
}	}
} else	} else
if (off >= sb.st_size) {	if (off >= sb.st_size) {
if (piece->pfx) {	if (piece->pfx) {
syncSetErr(ENOEXEC, "Error:: patch file is broken! (after eof find prefix)\n");	sync_SetErr(ENOEXEC, "Error:: patch file is broken! (after eof find prefix)\n");
ret = -1;	ret = -1;
}	}

Line 484 int syncPatch(const char csInput, const char csDelta	Line 586 int syncPatch(const char csInput, const char csDelta

ret = write(outf, buffer, readlen);	ret = write(outf, buffer, readlen);
if (ret == -1 \|\| ret != readlen) {	if (ret == -1 \|\| ret != readlen) {
SETERR;	LOGERR;
break;	break;
}	}
}	}

end:	end:
syncClose(inf);	sync_Close(inf);
syncClose(outf);	sync_Close(outf);
if (pieces)	if (pieces)
free(pieces);	free(pieces);
munmap(delta, sb.st_size);	munmap(delta, sb.st_size);

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>

Removed from v.1.1.1.1
changed lines
	Added in v.1.3.2.2