Files
pmt/binary/pmt.c
2024-04-25 22:02:58 +03:00

381 lines
12 KiB
C

/* 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 <string.h>
#include <stdbool.h>
#include <getopt.h>
#include <errno.h>
#include "include/pmt.h"
char *out = NULL;
char *outdir = NULL;
char *cust_cxt = NULL;
char *target_partition = NULL;
char *target_flash_file = NULL;
char *format_fs = NULL;
bool pmt_use_logical = NULL;
bool pmt_use_cust_cxt = NULL;
bool pmt_ab = false;
bool pmt_logical = false;
bool pmt_flash = false;
bool pmt_backup = false;
bool pmt_format = false;
bool pmt_force_mode = false;
/* classic main function (C binary here xd) */
int main(int argc, char *argv[])
{
/* check argument total */
if (argc < 2)
{
fprintf(stderr, "%s: missing operand\nTry `%s --help' for more information.\n", argv[0], argv[0]);
exit(44);
}
/* a structure for long arguments... */
struct option long_options[] = {
{"backup", no_argument, 0, 'b'},
{"flash", required_argument, 0, 'F'},
{"format", required_argument, 0, 'r'},
{"partition", required_argument, 0, 'p'},
{"logical", no_argument, 0, 'l'},
{"out", required_argument, 0, 'o'},
{"outdir", required_argument, 0, 'd'},
{"context", required_argument, 0, 'c'},
{"list", no_argument, 0, 'D'},
{"force", no_argument, 0, 'f'},
{"version", no_argument, 0, 'v'},
{"help", no_argument, 0, 0},
{"license", no_argument, 0, 'L'},
{0, 0, 0, 0}
};
static char *opt_symbol = "-";
static char *common_symbol_rule;
common_symbol_rule = "When entering the attached argument of an option, an argument of another option type cannot be used. In short, the rule is: there can be no '-' at the beginning of the attached argument.\n";
int opt;
/* control for each argument */
while ((opt = getopt_long(argc, argv, "bF:rp:lo:d:c:DfvL", long_options, NULL)) != -1)
{
/* process arguments */
switch (opt)
{
case 'b':
pmt_backup = true;
break;
case 'F':
target_flash_file = strdup(optarg);
if (strncmp(target_flash_file, opt_symbol, 1) == 0)
{
if (!pmt_force_mode)
{
error(common_symbol_rule, 19);
} else {
exit(19);
}
}
pmt_flash = true;
check_root();
check_psf();
struct stat flashf_info;
if (stat(target_flash_file, &flashf_info) != 0)
{
if (!pmt_force_mode)
{
fprintf(stderr, "%s: %s: %s\n", argv[0], target_flash_file, strerror(errno));
exit(15);
} else {
exit(15);
}
} else {
if (!S_ISREG(flashf_info.st_mode))
{
if (!pmt_force_mode)
{
fprintf(stderr, "%s: %s: is a not file.\n", argv[0], target_flash_file);
exit(16);
} else {
exit(16);
}
}
}
break;
case 'r':
format_fs = strdup(optarg);
if (strncmp(format_fs, opt_symbol, 1) == 0)
{
if (!pmt_force_mode)
{
fprintf(stderr, "%s", common_symbol_rule);
exit(71);
} else {
exit(71);
}
}
pmt_format = true;
if (strcmp(format_fs, "ext4") != 0 || strcmp(format_fs, "ext3") != 0 || strcmp(format_fs, "ext2") != 0)
{
if (!pmt_force_mode)
{
fprintf(stderr, "%s: formatter: unsupported filesystem: %s", argv[0], format_fs);
exit(41);
} else {
exit(41);
}
}
break;
case 'p':
target_partition = strdup(optarg);
if (strncmp(target_partition, opt_symbol, 1) == 0)
{
if (!pmt_force_mode)
{
error(common_symbol_rule, 19);
} else {
exit(19);
}
}
break;
case 'l':
check_root();
check_psf();
if (pmt_logical)
{
pmt_use_logical = true;
} else {
if (!pmt_force_mode)
{
error("This device does not have logical partitions!\n", 17);
} else {
exit(17);
}
}
break;
case 'o':
out = strdup(optarg);
if (strncmp(out, opt_symbol, 1) == 0)
{
if (!pmt_force_mode)
{
error(common_symbol_rule, 19);
} else {
exit(19);
}
}
break;
case 'd':
outdir = strdup(optarg);
if (strncmp(outdir, opt_symbol, 1) == 0)
{
if (!pmt_force_mode)
{
error(common_symbol_rule, 19);
} else {
exit(19);
}
}
check_root();
check_psf();
struct stat out_info;
if (stat(outdir, &out_info) != 0)
{
if (!pmt_force_mode)
{
fprintf(stderr, "%s: %s: %s\n", argv[0], outdir, strerror(errno));
exit(18);
} else {
exit(18);
}
} else {
if (!S_ISDIR(out_info.st_mode))
{
if (!pmt_force_mode)
{
fprintf(stderr, "%s: %s: is a not directory.\n", argv[0], outdir);
exit(20);
} else {
exit(20);
}
}
}
break;
case 'c':
pmt_use_cust_cxt = true;
cust_cxt = strdup(optarg);
if (strncmp(cust_cxt, opt_symbol, 1) == 0)
{
if (!pmt_force_mode)
{
error(common_symbol_rule, 19);
} else {
exit(19);
}
}
break;
case 'D':
check_root();
listpart();
exit(EXIT_SUCCESS);
break;
case 'f':
pmt_force_mode = true;
break;
case 'v':
printf("Version: %s (code %s)\n", PMT_VERSION, PMT_VERSION_CODE);
#ifdef __clang__
printf("Compiler: clang %s", __clang_version__);
#endif
#ifdef __GNUC__
printf("(GNUC %d.%d.%d)\n", __GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__);
#else
printf("\n");
#endif
printf("See licenses with -L argument.\n");
exit(EXIT_SUCCESS);
break;
case 0:
help();
exit(EXIT_SUCCESS);
break;
case 'L':
licenses();
exit(EXIT_SUCCESS);
break;
case '?':
printf("Try `%s --help' for more information.\n", argv[0]);
exit(43);
break;
default:
printf("Usage: %s [-b | --backup] [-f | --flash FILE] [-r | --format FS_TYPE] [-p | --partition PARTITION] [-l | --logical] [-o | --out OUTNAME] [-d | --outdir OUTDIR] [-c | --context] [-D | --list] [-v | --version] [--help] [-L | --license]\n", argv[0]);
exit(44);
}
}
/* minor checks */
if (!pmt_backup && !pmt_flash)
{
fprintf(stderr, "%s: missing operand.\nTry `%s --help` for more information.\n", argv[0], argv[0]);
exit(3);
}
if (pmt_backup && pmt_flash)
{
if (!pmt_force_mode)
{
error("Backup and flash functions cannot be used in the same command\n", 9);
} else {
exit(9);
}
}
/* checks */
check_root();
check_psf();
/* custom context checker */
if (pmt_use_cust_cxt)
{
struct stat cxtinfo;
if (stat(cust_cxt, &cxtinfo) == 0)
{
if (!S_ISREG(cxtinfo.st_mode))
{
if (!pmt_force_mode)
{
fprintf(stderr, "%s: %s: is a not directory.\n", argv[0], cust_cxt);
exit(8);
} else {
exit(8);
}
}
} else {
if (!pmt_force_mode)
{
fprintf(stderr, "%s: %s: %s\n", argv[0], cust_cxt, strerror(errno));
exit(6);
} else {
exit(6);
}
}
if (strstr(cust_cxt, "/dev") == NULL && !pmt_force_mode)
{
printf("%sThis custom context is strange...%s\n", ANSI_YELLOW, ANSI_RESET);
}
}
if (target_partition == NULL)
{
if (!pmt_force_mode)
{
fprintf(stderr, "%s: required partition name.\nTry `%s --help' for more information.\n", argv[0], argv[0]);
exit(5);
} else {
exit(5);
}
} else {
if (pmt_backup)
{
if (pmt_use_logical)
{
backup(target_partition, "logical");
exit(EXIT_SUCCESS);
} else {
backup(target_partition, "classic");
exit(EXIT_SUCCESS);
}
} else if (pmt_flash)
{
if (pmt_use_logical)
{
flash(target_partition, target_flash_file, "logical");
exit(EXIT_SUCCESS);
} else {
flash(target_partition, target_flash_file, "classic");
exit(EXIT_SUCCESS);
}
} else if (pmt_format)
{
if (pmt_use_logical) {
format(target_partition, "logical");
exit(EXIT_SUCCESS);
} else {
format(target_partition, "classic");
exit(EXIT_SUCCESS);
}
} else {
fprintf(stderr, "%s: no target (backup or flash).\nTry `%s --help` for more information.\n", argv[0], argv[0]);
exit(3);
}
}
}
#ifdef __cplusplus
}
#endif
/* end of code */