Files
pmt/jni/pmt.c
2024-05-26 10:49:33 +03:00

405 lines
13 KiB
C
Executable File

/* 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.
*/
/* force use C std (if default is C++) */
#if defined(__cplusplus)
extern "C" {
#endif
/* include needed libs (headers) */
#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 <pmt.h>
#include <pmt-docs.h>
/* add value to variables that are added globally and are not worth */
char *out = NULL;
char *outdir = NULL;
char *cust_cxt = NULL;
char *target_partition = NULL;
char *target_flash_file = NULL;
char *partition_type = 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}
};
/* boolean statements (only valid in this file) to distinguish. and pointer from a shortcut for the symbol rule */
static bool wiew_help = false;
static bool wiew_licenses = false;
static bool wiew_version = false;
static bool list_partitions = false;
static bool combo_wiewers = false;
static bool use_cust_outdir = false;
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.";
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)
{
/* backup mode */
case 'b':
pmt_backup = true;
break;
/* flash mode */
case 'F':
target_flash_file = strdup(optarg);
if (strncmp(target_flash_file, opt_symbol, 1) == 0)
{
if (!pmt_force_mode)
{
fprintf(stderr, "%s%s%s\n", ANSI_RED, common_symbol_rule, ANSI_RESET);
exit(19);
} else exit(19);
}
pmt_flash = true;
break;
/* format mode */
case 'r':
format_fs = strdup(optarg);
if (strncmp(format_fs, opt_symbol, 1) == 0)
{
if (!pmt_force_mode)
{
fprintf(stderr, "%s%s%s\n", ANSI_RED, common_symbol_rule, ANSI_RESET);
exit(19);
} else exit(19);
}
pmt_format = true;
break;
/* partition selector option */
case 'p':
target_partition = strdup(optarg);
if (strncmp(target_partition, opt_symbol, 1) == 0)
{
if (!pmt_force_mode)
{
fprintf(stderr, "%s%s%s\n", ANSI_RED, common_symbol_rule, ANSI_RESET);
exit(19);
} else exit(19);
}
break;
/* logical partitions option */
case 'l':
check_root();
check_psf();
if (pmt_logical)
{
pmt_use_logical = true;
} else {
if (!pmt_force_mode)
{
fprintf(stderr, "This device does not have logical partitions!\n");
exit(17);
} else exit(17);
}
break;
/* output file option */
case 'o':
out = strdup(optarg);
if (strncmp(out, opt_symbol, 1) == 0)
{
if (!pmt_force_mode)
{
fprintf(stderr, "%s%s%s\n", ANSI_RED, common_symbol_rule, ANSI_RESET);
exit(19);
} else exit(19);
}
break;
/* output dir option */
case 'd':
use_cust_outdir = true;
outdir = strdup(optarg);
break;
/* context selector option */
case 'c':
pmt_use_cust_cxt = true;
cust_cxt = strdup(optarg);
if (strncmp(cust_cxt, opt_symbol, 1) == 0)
{
if (!pmt_force_mode)
{
fprintf(stderr, "%s%s%s\n", ANSI_RED, common_symbol_rule, ANSI_RESET);
exit(19);
} else exit(19);
}
break;
/* partition lister function */
case 'D':
list_partitions = true;
/* check combo wiewer options and progress */
if (wiew_version || wiew_help || wiew_licenses) combo_wiewers = true;
break;
/* force mode option */
case 'f':
pmt_force_mode = true;
break;
/* version info option */
case 'v':
wiew_version = true;
/* check combo wiewer options and progress */
if (list_partitions || wiew_help || wiew_licenses) combo_wiewers = true;
break;
/* help message opption */
case 0:
wiew_help = true;
/* check combo wiewer options and progress */
if (wiew_version || list_partitions || wiew_licenses) combo_wiewers = true;
break;
/* license wiewer option */
case 'L':
wiew_licenses = true;
/* check combo wiewer options and progress */
if (wiew_version || wiew_help || list_partitions) combo_wiewers = true;
break;
/* for invalid options */
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);
}
}
/* stop the program if multiple viewer is used */
if (combo_wiewers)
{
fprintf(stderr, "%s: Multiple wiewers cannot be used at the same line.\n", argv[0]);
exit(81);
}
/* controller to handle viewer */
if (wiew_help)
{
help();
exit(EXIT_SUCCESS);
} else if (wiew_version)
{
version();
exit(EXIT_SUCCESS);
} else if (wiew_licenses)
{
licenses();
exit(EXIT_SUCCESS);
} else if (list_partitions)
{
check_root();
listpart();
exit(EXIT_SUCCESS);
}
/* target control is done */
if (!pmt_backup && !pmt_flash && !pmt_format)
{
fprintf(stderr, "%s: missing operand.\nTry `%s --help` for more information.\n", argv[0], argv[0]);
exit(3);
}
/* prevent multiple mode use */
if (pmt_backup && pmt_flash)
{
if (!pmt_force_mode)
{
fprintf(stderr, "Backup and flash functions cannot be used in the same command.\n");
exit(9);
} else exit(9);
}
/* checks */
check_root();
check_psf();
if (pmt_format)
{
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);
}
}
if (use_cust_outdir)
{
if (strncmp(outdir, opt_symbol, 1) == 0)
{
if (!pmt_force_mode)
{
fprintf(stderr, "%s\n", common_symbol_rule);
exit(19);
} else exit(19);
}
struct stat out_info;
if (stat(outdir, &out_info) != 0)
{
if (!pmt_force_mode)
{
fprintf(stderr, "%s: cannot stat '%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);
}
}
}
if (pmt_flash)
{
struct stat flashf_info;
if (stat(target_flash_file, &flashf_info) != 0)
{
if (!pmt_force_mode)
{
fprintf(stderr, "%s: cannot stat '%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);
}
}
}
/* 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)
{
fprintf(stderr, "%sYou're going through my wave? There's nothing about this /dev. Use force mode if you don't want this error%s\n", ANSI_YELLOW, ANSI_RESET);
exit(81);
}
}
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 {
/**
*
* 1 = backup mode
*
* 2 = flash mode
*
* 3 = format
*/
if (pmt_backup)
{
pmt(1);
exit(EXIT_SUCCESS);
} else if (pmt_flash)
{
pmt(2);
exit(EXIT_SUCCESS);
} else if (pmt_format)
{
pmt(3);
} else {
fprintf(stderr, "%s: no target (backup or flash).\nTry `%s --help` for more information.\n", argv[0], argv[0]);
exit(3);
}
}
}
#if defined(__cplusplus)
}
#endif
/* end of code */