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/* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*
* The code was written from scratch by Dees_Troy dees_troy at
* yahoo
*
* Copyright (c) 2012
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <dirent.h>
#include "extra-functions.h"
#include "common.h"
#include "data.h"
#include "variables.h"
int makelist_file_count;
unsigned long long makelist_current_size;
unsigned long long getUsedSizeViaDu(const char* path)
{
char cmd[512];
sprintf(cmd, "du -sk %s | awk '{ print $1 }'", path);
FILE *fp;
fp = __popen(cmd, "r");
char str[512];
fgets(str, sizeof(str), fp);
__pclose(fp);
unsigned long long size = atol(str);
size *= 1024ULL;
return size;
}
int add_item(const char* item_name) {
char actual_filename[255];
FILE *fp;
if (makelist_file_count > 999) {
LOGE("File count is too large!\n");
return -1;
}
sprintf(actual_filename, "/tmp/list/filelist%03i", makelist_file_count);
fp = fopen(actual_filename, "a");
if (fp == NULL) {
LOGE("Failed to open '%s'\n", actual_filename);
return -1;
}
if (fprintf(fp, "%s\n", item_name) < 0) {
LOGE("Failed to write to '%s'\n", actual_filename);
return -1;
}
if (fclose(fp) != 0) {
LOGE("Failed to close '%s'\n", actual_filename);
return -1;
}
return 0;
}
int generate_file_lists(const char* path) {
DIR* d;
struct dirent* de;
struct stat st;
char path2[255], filename[255];
if (DataManager_GetIntValue(TW_HAS_DATA_MEDIA) == 1 && strlen(path) >= 11 && strncmp(path, "/data/media", 11) == 0)
return 0; // Skip /data/media
// Make a copy of path in case the data in the pointer gets overwritten later
strcpy(path2, path);
d = opendir(path2);
if (d == NULL)
{
LOGE("error opening '%s'\n", path2);
return -1;
}
while ((de = readdir(d)) != NULL)
{
if (de->d_type == DT_DIR && strcmp(de->d_name, ".") != 0 && strcmp(de->d_name, "..") != 0)
{
strcpy(filename, path2);
strcat(filename, "/");
strcat(filename, de->d_name);
if (DataManager_GetIntValue(TW_HAS_DATA_MEDIA) == 1 && strlen(filename) >= 11 && strncmp(filename, "/data/media", 11) == 0)
continue; // Skip /data/media
unsigned long long folder_size = getUsedSizeViaDu(filename);
if (makelist_current_size + folder_size > MAX_ARCHIVE_SIZE) {
if (generate_file_lists(filename) < 0)
return -1;
} else {
strcat(filename, "/");
if (add_item(filename) < 0)
return -1;
makelist_current_size += folder_size;
}
}
else if (de->d_type == DT_REG)
{
if (DataManager_GetIntValue(TW_HAS_DATA_MEDIA) == 1 && strlen(path2) >= 11 && strncmp(path2, "/data/media", 11) == 0)
continue; // Skip /data/media
strcpy(filename, path2);
strcat(filename, "/");
strcat(filename, de->d_name);
stat(filename, &st);
if (makelist_current_size != 0 && makelist_current_size + st.st_size > MAX_ARCHIVE_SIZE) {
makelist_file_count += 1;
makelist_current_size = 0;
}
if (add_item(filename) < 0)
return -1;
makelist_current_size += st.st_size;
if (st.st_size > 2147483648LL)
LOGE("There is a file that is larger than 2GB in the file system\n'%s'\nThis file may not restore properly\n", filename);
}
}
closedir(d);
return 0;
}
int make_file_list(char* path)
{
makelist_file_count = 0;
makelist_current_size = 0;
__system("cd /tmp && rm -rf list");
__system("cd /tmp && mkdir list");
if (generate_file_lists(path) < 0) {
LOGE("Error generating file list\n");
return -1;
}
LOGI("Done, generated %i files.\n", (makelist_file_count + 1));
return (makelist_file_count + 1);
}
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