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// SPDX-License-Identifier: GPL-2.0-or-later
/*
*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2012-2013 Intel Corporation
*
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#define _GNU_SOURCE
#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
#include <getopt.h>
#include <errno.h>
#include <sys/stat.h>
static int convert_line(int fd, const char *line)
{
const char *ptr = line;
char str[3];
unsigned char val;
if (line[0] == '*' || line[0] == '\r' || line[0] == '\n')
return 0;
while (1) {
str[0] = *ptr++;
str[1] = *ptr++;
str[2] = '\0';
val = strtol(str, NULL, 16);
if (write(fd, &val, 1) < 0)
return -errno;
if (*ptr == '\r' || *ptr == '\n')
break;
while (*ptr == ' ')
ptr++;
}
return 0;
}
static void convert_file(const char *input_path, const char *output_path)
{
size_t line_size = 1024;
char line_buffer[line_size];
char *path;
const char *ptr;
FILE *fp;
struct stat st;
off_t cur = 0;
int fd;
if (output_path) {
path = strdup(output_path);
if (!path) {
perror("Failed to allocate string");
return;
}
} else {
ptr = strrchr(input_path, '.');
if (ptr) {
path = malloc(ptr - input_path + 6);
if (!path) {
perror("Failed to allocate string");
return;
}
strncpy(path, input_path, ptr - input_path);
strcpy(path + (ptr - input_path), ".bseq");
} else {
if (asprintf(&path, "%s.bseq", input_path) < 0) {
perror("Failed to allocate string");
return;
}
}
}
printf("Converting %s to %s\n", input_path, path);
fd = open(path, O_WRONLY | O_CREAT | O_TRUNC, 0644);
free(path);
if (fd < 0) {
perror("Failed to create output file");
return;
}
if (stat(input_path, &st) < 0) {
fprintf(stderr, "Failed get file size\n");
close(fd);
return;
}
if (st.st_size == 0) {
fprintf(stderr, "Empty file\n");
close(fd);
return;
}
fp = fopen(input_path, "r");
if (!fp) {
fprintf(stderr, "Failed to open input file\n");
close(fd);
return;
}
while (1) {
char *str;
int err;
str = fgets(line_buffer, line_size - 1, fp);
if (!str)
break;
cur += strlen(str);
err = convert_line(fd, str);
if (err < 0) {
fprintf(stderr, "Failed to convert file (%s)\n",
strerror(-err));
break;
}
}
fclose(fp);
close(fd);
}
static void usage(void)
{
printf("Intel Bluetooth firmware converter\n"
"Usage:\n");
printf("\tseq2bseq [options] <file>\n");
printf("Options:\n"
"\t-o, --output <file> Provide firmware output file\n"
"\t-h, --help Show help options\n");
}
static const struct option main_options[] = {
{ "output", required_argument, NULL, 'o' },
{ "version", no_argument, NULL, 'v' },
{ "help", no_argument, NULL, 'h' },
{ }
};
int main(int argc, char *argv[])
{
const char *output_path = NULL;
int i;
for (;;) {
int opt;
opt = getopt_long(argc, argv, "o:vh", main_options, NULL);
if (opt < 0)
break;
switch (opt) {
case 'o':
output_path = optarg;
break;
case 'v':
printf("%s\n", VERSION);
return EXIT_SUCCESS;
case 'h':
usage();
return EXIT_SUCCESS;
default:
return EXIT_FAILURE;
}
}
if (argc - optind < 1) {
fprintf(stderr, "No input firmware files provided\n");
return EXIT_FAILURE;
}
if (output_path && argc - optind > 1) {
fprintf(stderr, "Only single input firmware supported\n");
return EXIT_FAILURE;
}
for (i = optind; i < argc; i++)
convert_file(argv[i], output_path);
return EXIT_SUCCESS;
}
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