/*************************************************************************
* (C) 2010 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com>
* by Michael Pounov <misho@openbsd-bg.org>
*
* $Author: misho $
* $Id: dir.c,v 1.2 2011/05/09 14:36:33 misho Exp $
*
**************************************************************************
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
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"
static int
func_comp(struct tagDirName const *d1, struct tagDirName const *d2)
{
return d1->tag - d2->tag;
}
static struct tagDirName *
find_tag(int const * __restrict tags, struct tagDirName const * __restrict l, u_short t, u_int hash)
{
struct tagDirName *find = NULL;
register int i;
// search in index tags
if (tags[t] != -1 && l[tags[t]].tag == t) {
// search in sorted hashes
for (i = 0; l[tags[t] + i].tag == t; i++)
if (l[tags[t] + i].hash == hash) {
// finded & marked for delete!
find = (struct tagDirName*) &l[tags[t] + i];
find->ch = '*';
break;
}
}
return find;
}
static int *
create_tags()
{
int *tags;
tags = calloc(TABLESIZ, sizeof(int));
if (!tags) {
SETERR;
} else
memset(tags, -1, TABLESIZ * sizeof(int));
return tags;
}
static int
create_diridx(const char *csDir, int lm, int *tags, struct tagDirName **list)
{
struct tagDirName *l = *list;
DIR *dir;
struct dirent d, *pd;
int n;
char szStr[STRSIZ], szType[STRSIZ], *old;
struct stat sb;
register int i;
l = malloc(sizeof(struct tagDirName));
if (!l) {
SETERR;
*list = NULL;
return -1;
} else {
n = 0;
memset(l, 0, sizeof(struct tagDirName));
}
old = getcwd(NULL, 0);
if (chdir(csDir) == -1) {
SETERR;
free(old);
free(l);
*list = NULL;
return -1;
}
dir = opendir(".");
if (!dir) {
SETERR;
chdir(old);
free(old);
free(l);
*list = NULL;
return -1;
}
while (!readdir_r(dir, &d, &pd) && pd) {
if (d.d_type == DT_DIR && (!strcmp(d.d_name, ".") || !strcmp(d.d_name, "..")))
continue;
l = realloc(l, sizeof(struct tagDirName) * (n + 2));
if (!l) {
SETERR;
chdir(old);
free(old);
free(l);
*list = NULL;
closedir(dir);
return -1;
} else
memset(&l[n + 1], 0, sizeof(struct tagDirName));
l[n].ch = '<';
l[n].tag = crcFletcher16((u_short*) d.d_name, d.d_namlen / 2 + d.d_namlen % 2);
l[n].hash = crcAdler((u_char*) d.d_name, d.d_namlen);
strlcpy(l[n].name, d.d_name, MAXPATHLEN);
if (lm & 1) {
if (lstat(d.d_name, &sb) != -1) {
memset(szStr, 0, STRSIZ);
#if defined(__OpenBSD__)
strftime(szStr, STRSIZ, "%Y-%m-%d %H:%M:%S", localtime((time_t*) &sb.st_mtim));
#else
strftime(szStr, STRSIZ, "%Y-%m-%d %H:%M:%S", localtime((time_t*) &sb.st_mtime));
#endif
switch (d.d_type) {
case DT_FIFO:
strlcpy(szType, "fifo", STRSIZ);
break;
case DT_CHR:
strlcpy(szType, "char", STRSIZ);
break;
case DT_DIR:
strlcpy(szType, "dir", STRSIZ);
break;
case DT_BLK:
strlcpy(szType, "block", STRSIZ);
break;
case DT_REG:
strlcpy(szType, "file", STRSIZ);
break;
case DT_LNK:
strlcpy(szType, "link", STRSIZ);
break;
case DT_SOCK:
strlcpy(szType, "socket", STRSIZ);
break;
/* OpenBSD does not have this type */
#ifdef DT_WHT
case DT_WHT:
strlcpy(szType, "wht", STRSIZ);
break;
#endif
case DT_UNKNOWN:
default:
strlcpy(szType, "unknown", STRSIZ);
break;
}
snprintf(l[n].extra, STRSIZ, "%s links=%d inode=%lu %d:%d perm=0%o size=%ld %s",
szType, sb.st_nlink, sb.st_ino, sb.st_uid, sb.st_gid,
sb.st_mode & 0x1fff, sb.st_size, szStr);
}
}
n++;
}
closedir(dir);
qsort(l, n, sizeof(struct tagDirName), (int (*)(const void*, const void*)) func_comp);
for (i = n - 1; i > -1; i--)
tags[l[i].tag] = i;
chdir(old);
free(old);
*list = l;
return n;
}
// ------------------------------------------------------
/*
* sync_dirCSum() Calculate checksum of directory
* @csDir = Directory
* @md = Message digest allocated memory, must be free after use!
* return: -1 error or !=-1 ok
*/
int
sync_dirCSum(const char *csDir, u_char **md)
{
DIR *dir;
struct dirent d, *pd;
MD5_CTX ctx;
register int ret = 0;
*md = malloc(MD5_DIGEST_LENGTH);
if (!*md) {
SETERR;
return -1;
} else
memset(*md, 0, MD5_DIGEST_LENGTH);
dir = opendir(csDir);
if (!dir) {
SETERR;
free(*md);
return -1;
}
MD5_Init(&ctx);
while (!readdir_r(dir, &d, &pd) && pd) {
if (d.d_type == DT_DIR && (!strcmp(d.d_name, ".") || !strcmp(d.d_name, "..")))
continue;
MD5_Update(&ctx, d.d_name, d.d_namlen);
ret++;
}
MD5_Final(*md, &ctx);
closedir(dir);
return ret;
}
/*
* sync_dircmp() Compare directories
* @csDir1 = Directory 1
* @csDir2 = Directory 2
* return: -1 error, 0 is equal or 1 different
*/
int
sync_dircmp(const char *csDir1, const char *csDir2)
{
u_char *md[2] = { NULL, NULL };
int ret = -1;
if (!csDir1 || !csDir2)
return ret;
if (sync_dirCSum(csDir1, &md[0]) == -1)
return ret;
if (sync_dirCSum(csDir2, &md[1]) == -1) {
free(md[0]);
return ret;
}
if (!memcmp(md[0], md[1], MD5_DIGEST_LENGTH))
ret = 0;
else
ret = 1;
free(md[1]);
free(md[0]);
return ret;
}
/*
* sync_dircmpList() Compare directories or directory and file list
* @csDir1 = Directory 1
* @csDir2 = Directory 2 or File list, if "-" get input from console
* @lm = Long mode options, 1 long output
* @list = Output diff list, after use must be free!
* return: -1 error, 0 is equal or >0 count of returned list items
*/
int
sync_dircmpList(const char *csDir1, const char *csDir2, int lm, struct tagDirName **list)
{
struct tagDirName *l, *find;
int n, cx;
DIR *dir;
FILE *f = stdin;
struct dirent d, *pd;
int *tags;
register int i;
u_short t;
u_int hash;
struct stat sb;
char szLine[STRSIZ], szStr[STRSIZ], szType[STRSIZ], *str, *pbrk, *old;
if (!csDir1 || !list || !(tags = create_tags()))
return -1;
n = create_diridx(csDir1, lm, tags, &l);
if (n == -1 || !csDir2) {
*list = l;
return n;
}
if (lstat(csDir2, &sb) == -1) {
SETERR;
free(l);
return -1;
}
if (S_ISDIR(sb.st_mode)) {
old = getcwd(NULL, 0);
if (chdir(csDir2) == -1) {
SETERR;
chdir(old);
free(old);
free(l);
return -1;
}
dir = opendir(".");
if (!dir) {
SETERR;
chdir(old);
free(old);
free(l);
return -1;
}
while (!readdir_r(dir, &d, &pd) && pd) {
if (d.d_type == DT_DIR && (!strcmp(d.d_name, ".") || !strcmp(d.d_name, "..")))
continue;
else {
t = crcFletcher16((u_short*) d.d_name, d.d_namlen / 2 + d.d_namlen % 2);
hash = crcAdler((u_char*) d.d_name, d.d_namlen);
}
find = find_tag(tags, l, t, hash);
// element not find in dir1, added
if (!find) {
l = realloc(l, sizeof(struct tagDirName) * (n + 2));
if (!l) {
SETERR;
chdir(old);
free(old);
closedir(dir);
return -1;
} else
memset(&l[n + 1], 0, sizeof(struct tagDirName));
l[n].ch = '>';
l[n].tag = t;
l[n].hash = hash;
strlcpy(l[n].name, d.d_name, MAXPATHLEN);
if (lm & 1) {
if (lstat(d.d_name, &sb) != -1) {
memset(szStr, 0, STRSIZ);
#if defined(__OpenBSD__)
strftime(szStr, STRSIZ, "%Y-%m-%d %H:%M:%S",
localtime((time_t*) &sb.st_mtim));
#else
strftime(szStr, STRSIZ, "%Y-%m-%d %H:%M:%S",
localtime((time_t*) &sb.st_mtime));
#endif
switch (d.d_type) {
case DT_FIFO:
strlcpy(szType, "fifo", STRSIZ);
break;
case DT_CHR:
strlcpy(szType, "char", STRSIZ);
break;
case DT_DIR:
strlcpy(szType, "dir", STRSIZ);
break;
case DT_BLK:
strlcpy(szType, "block", STRSIZ);
break;
case DT_REG:
strlcpy(szType, "file", STRSIZ);
break;
case DT_LNK:
strlcpy(szType, "link", STRSIZ);
break;
case DT_SOCK:
strlcpy(szType, "socket", STRSIZ);
break;
/* OpenBSD does not have this type */
#ifdef DT_WHT
case DT_WHT:
strlcpy(szType, "wht", STRSIZ);
break;
#endif
case DT_UNKNOWN:
default:
strlcpy(szType, "unknown", STRSIZ);
break;
}
snprintf(l[n].extra, STRSIZ,
"%s links=%d inode=%lu %d:%d perm=0%o size=%ld %s",
szType, sb.st_nlink, sb.st_ino, sb.st_uid, sb.st_gid,
sb.st_mode & 0x1fff, sb.st_size, szStr);
}
}
n++;
}
}
closedir(dir);
chdir(old);
free(old);
} else {
if (strcmp(csDir2, "-")) {
f = fopen(csDir2, "r");
if (!f) {
SETERR;
free(l);
return -1;
}
}
while (fgets(szLine, STRSIZ, f)) {
if (!*szLine || *szLine == '#')
continue;
str = strtok_r(szLine, " \t", &pbrk);
if (!str)
continue;
str = strtok_r(NULL, " \t", &pbrk);
if (!str)
continue;
else {
i = strlen(str);
t = crcFletcher16((u_short*) str, i / 2 + i % 2);
hash = crcAdler((u_char*) str, i);
}
find = find_tag(tags, l, t, hash);
// element not find in dir1, added
if (!find) {
l = realloc(l, sizeof(struct tagDirName) * (n + 2));
if (!l) {
SETERR;
if (strcmp(csDir2, "-"))
fclose(f);
return -1;
} else
memset(&l[n + 1], 0, sizeof(struct tagDirName));
l[n].ch = '>';
l[n].tag = t;
l[n].hash = hash;
strlcpy(l[n].name, str, MAXPATHLEN);
if (lm & 1 && (str = strtok_r(NULL, "\r\n", &pbrk)))
strlcpy(l[n].extra, str, STRSIZ);
n++;
}
}
if (strcmp(csDir2, "-"))
fclose(f);
}
// delete equal elemets !!!
for (i = cx = 0; i < n; i++)
if (l[i].ch == '*') {
memmove(&l[i], &l[i + 1], (n - i + 1) * sizeof(struct tagDirName));
cx++;
i--;
}
n -= cx;
*list = l;
return n;
}
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