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pmt: initial 1.9.0 update

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Yağız Zengin
2024-05-05 21:06:14 +03:00
committed by GitHub
parent 4464c203fd
commit 181125dfca
1 changed files with 331 additions and 0 deletions
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src/tools.c Normal file
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/* By YZBruh */
/**
* Copyright 2024 Partition Manager
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifdef __cplusplus
extern "C" {
#endif
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/statvfs.h>
#include <string.h>
#include <stdbool.h>
#include <stddef.h>
#include <errno.h>
#include <fcntl.h>
#include "include/pmt.h"
#define BFSIZE 1024
extern char *out;
extern char *outdir;
extern char *format_fs;
extern char *cust_cxt;
extern char *target_partition;
extern char *target_flash_file;
extern char *partition_type;
extern bool pmt_use_logical;
extern bool pmt_use_cust_cxt;
extern bool pmt_logical;
extern bool pmt_flash;
extern bool pmt_backup;
extern bool pmt_force_mode;
/**
*
* if progress_code is a
* 1 = backup mode
*
* 2 = flash mode
*
* 3 = format mode
*/
void pmt(short progress_code)
{
/* required variables */
static int srcf, targetf;
static char backupper_path[512];
static char ppath[100];
static char formatter_cmd[200];
static char outf[512];
static char flasher_path[512];
static char buffer[BFSIZE];
static ssize_t bytesRead;
static unsigned long long bytesCopied = 0;
static unsigned long long count = 1024 * 1024 * 1024;
if (progress_code == 1)
{
if (!pmt_use_logical)
{
if (pmt_use_cust_cxt)
{
sprintf(backupper_path, "%s/%s", cust_cxt, target_partition);
} else {
sprintf(backupper_path, "/dev/block/by-name/%s", target_partition);
}
} else if (pmt_use_logical)
{
sprintf(backupper_path, "/dev/block/mapper/%s", target_partition);
} else {
if (!pmt_force_mode)
{
error("İnvalid partition type!\n", 28);
} else {
exit(28);
}
}
if (access(backupper_path, F_OK) == -1)
{
if (!pmt_force_mode)
{
error("Partition not found!\n", 29);
} else {
exit(29);
}
}
srcf = open(backupper_path, O_RDONLY);
if (srcf == -1) {
if (!pmt_force_mode)
{
fprintf(stderr, "Couldn't read: %s: %s", backupper_path, strerror(errno));
exit(39);
} else {
exit(39);
}
}
/* determine output */
if (outdir != NULL)
{
if (out != NULL)
{
sprintf(outf, "%s/%s.img", outdir, out);
} else {
sprintf(outf, "%s/%s.img", outdir, target_partition);
}
} else {
if (out != NULL)
{
sprintf(outf, "/storage/emulated/0/%s.img", out);
} else {
sprintf(outf, "/storage/emulated/0/%s.img", target_partition);
}
}
targetf = open(outf, O_WRONLY | O_CREAT | O_TRUNC, 0666);
if (targetf == -1) {
if (!pmt_force_mode)
{
fprintf(stderr, "Couldn't generate: %s: %s", outf, strerror(errno));
exit(37);
} else {
exit(37);
}
}
/* start writing */
while ((bytesRead = read(srcf, buffer, BFSIZE)) > 0 && bytesCopied < count)
{
ssize_t bytesWritten = write(targetf, buffer, bytesRead);
if (bytesWritten != bytesRead)
{
fprintf(stderr, "Couldn't write: %s: %s", backupper_path, strerror(errno));
close(srcf);
close(targetf);
exit(81);
}
bytesCopied += bytesWritten;
}
/* close files */
close(srcf);
close(targetf);
/* Print the output information by evaluating all situations */
if (outdir != NULL)
{
if (out != NULL)
{
printf("%sSuccess. Output: %s/%s.img%s\n", ANSI_GREEN, outdir, out, ANSI_RESET);
} else {
printf("%sSuccess. Output: %s/%s.img%s\n", ANSI_GREEN, outdir, target_partition, ANSI_RESET);
}
} else {
if (out != NULL)
{
printf("%sSuccess. Output: /storage/emulated/0/%s.img%s\n", ANSI_GREEN, out, ANSI_RESET);
} else {
printf("%sSuccess. Output: /storage/emulated/0/%s.img%s\n", ANSI_GREEN, target_partition, ANSI_RESET);
}
}
} else if (progress_code == 2)
{
/* determine device block */
/* for classic */
if (!pmt_use_logical)
{
if (pmt_use_cust_cxt)
{
sprintf(flasher_path, "%s/%s", cust_cxt, target_partition);
} else {
sprintf(flasher_path, "/dev/block/by-name/%s", target_partition);
}
/* for logical */
} else if (pmt_use_logical)
{
sprintf(flasher_path, "/dev/block/mapper/%s", target_partition);
} else {
if (!pmt_force_mode)
{
error("İnvalid partition type!\n", 30);
} else {
exit(30);
}
}
/* check partition */
if (access(flasher_path, F_OK) == -1)
{
if (!pmt_force_mode)
{
error("Partition not found!\n", 31);
} else {
exit(31);
}
}
srcf = open(target_flash_file, O_RDONLY);
if (srcf == -1) {
if (!pmt_force_mode)
{
fprintf(stderr, "Couldn't read: %s: %s", target_flash_file, strerror(errno));
exit(39);
} else {
exit(39);
}
}
targetf = open(target_partition, O_WRONLY | O_CREAT | O_TRUNC, 0666);
if (targetf == -1) {
if (!pmt_force_mode)
{
fprintf(stderr, "Couldn't read: %s: %s", target_partition, strerror(errno));
exit(37);
} else {
exit(37);
}
}
/* start writing */
while ((bytesRead = read(srcf, buffer, BFSIZE)) > 0 && bytesCopied < count) {
ssize_t bytesWritten = write(targetf, buffer, bytesRead);
if (bytesWritten != bytesRead) {
fprintf(stderr, "Couldn't write: %s: %s", backupper_path, strerror(errno));
close(srcf);
close(targetf);
exit(81);
}
bytesCopied += bytesWritten;
}
close(srcf);
close(targetf);
if (!pmt_force_mode)
{
printf("%sSuccess.%s\n", ANSI_GREEN, ANSI_RESET);
}
} else if (progress_code == 3)
{
/* generate partition extn */
if (!pmt_use_logical)
{
if (pmt_use_cust_cxt)
{
sprintf(ppath, "%s/%s", cust_cxt, target_partition);
} else {
sprintf(ppath, "/dev/block/by-name/%s", target_partition);
}
/* for logical */
} else if (pmt_use_logical)
{
sprintf(ppath, "/dev/block/mapper/%s", target_partition);
} else {
if (!pmt_force_mode)
{
error("İnvalid partition type!\n", 30);
} else {
exit(49);
}
}
/* check partition */
if (access(ppath, F_OK) == -1)
{
if (!pmt_force_mode)
{
error("Partition not found!\n", 31);
} else {
exit(31);
}
}
/* get target partition block size */
struct statvfs file_sys_inf;
if (statvfs(ppath, &file_sys_inf) != 0)
{
if (!pmt_force_mode)
{
fprintf(stderr, "The partition block size could not be obtained!\n");
exit(49);
} else {
exit(49);
}
}
/* generate mke2fs command */
sprintf(formatter_cmd, "mke2fs -Fq -t %s -b %lu %s", format_fs, file_sys_inf.f_bsize, ppath);
/* run command */
if (system(formatter_cmd) != 0)
{
if (!pmt_force_mode)
{
error("Formatting failed! There may be a chance that something has been damaged!\n", 71);
} else {
exit(71);
}
}
}
}
#ifdef __cplusplus
}
#endif
/* end of code */