tsiry-sandratraina.com
A modern Music Player Daemon based on Rockbox open source high quality audio player
libadwaita
audio
rust
zig
deno
mpris
rockbox
mpd
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2012 Amaury Pouly
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation; either version 2
15 * of the License, or (at your option) any later version.
16 *
17 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
18 * KIND, either express or implied.
19 *
20 ****************************************************************************/
21#include "samsung.h"
22#include <stdio.h>
23#include <stdlib.h>
24#include <stdarg.h>
25#include <getopt.h>
26
27static bool g_debug = false;
28static char *g_out_prefix = NULL;
29
30static void usage(void)
31{
32 printf("Usage: fwdecrypt [options] firmware\n");
33 printf("Options:\n");
34 printf(" -o <prefix>\tSet output file\n");
35 printf(" -f/--force\tForce to continue on errors\n");
36 printf(" -?/--help\tDisplay this message\n");
37 printf(" -d/--debug\tDisplay debug messages\n");
38 exit(1);
39}
40
41static int s_read(void *user, int offset, void *buf, int size)
42{
43 FILE *f = user;
44 if(fseek(f, offset, SEEK_SET) != 0)
45 return 0;
46 return fread(buf, 1, size, f);
47}
48
49static void s_printf(void *user, bool error, const char *fmt, ...)
50{
51 if(!g_debug && !error)
52 return;
53 (void) user;
54 va_list args;
55 va_start(args, fmt);
56 vprintf(fmt, args);
57 va_end(args);
58}
59
60int main(int argc, char **argv)
61{
62 if(argc <= 1)
63 usage();
64
65 while(1)
66 {
67 static struct option long_options[] =
68 {
69 {"help", no_argument, 0, '?'},
70 {"debug", no_argument, 0, 'd'},
71 {0, 0, 0, 0}
72 };
73
74 int c = getopt_long(argc, argv, "?do:", long_options, NULL);
75 if(c == -1)
76 break;
77 switch(c)
78 {
79 case -1:
80 break;
81 case 'd':
82 g_debug = true;
83 break;
84 case '?':
85 usage();
86 break;
87 case 'o':
88 g_out_prefix = optarg;
89 break;
90 default:
91 abort();
92 }
93 }
94
95 if(optind != argc - 1)
96 usage();
97
98 FILE *f = fopen(argv[optind], "rb");
99 if(f == NULL)
100 {
101 printf("Cannot open file for reading: %m\n");
102 return 1;
103 }
104
105 enum samsung_error_t err;
106 struct samsung_firmware_t *fw = samsung_read(s_read, s_printf,
107 f, &err);
108 if(fw == NULL || err != SAMSUNG_SUCCESS)
109 {
110 printf("Error reading firmware: %d\n", err);
111 samsung_free(fw);
112 return 1;
113 }
114 fclose(f);
115
116 if(g_out_prefix)
117 {
118 f = fopen(g_out_prefix, "wb");
119 if(f == NULL)
120 {
121 printf("Cannot open file for writing: %m\n");
122 return 2;
123 }
124 fwrite(fw->data, 1, fw->data_size, f);
125 fclose(f);
126 }
127
128 samsung_free(fw);
129
130 return 0;
131}