int main(int argc, char **argv)
{
FILE *fp_in, *fp_out;
int action = 0;
if (argc != 4)
{
fprintf(stderr, "usage: %s [-a|-r] <input> <output>\n", argv[0]);
return 1;
}
if (strcmp(argv[1], "-a") == 0)
{
action = 1;
} else if (strcmp(argv[1], "-r") == 0)
{
action = 2;
} else {
fprintf(stderr, "usage: %s [-a|-r] <input> <output>\n", argv[0]);
}
fp_in = fopen(argv[2], "r");
if (!fp_in)
{
fprintf(stderr, "can't open input file '%s': %s\n", argv[2], strerror(errno));
return 1;
}
fp_out = fopen(argv[3], "w");
if (!fp_out)
{
fprintf(stderr, "can't open output file '%s': %s\n", argv[3], strerror(errno));
return 1;
}
switch (action)
{
case 1:
pack_krnl(fp_in, fp_out);
break;
case 2:
unpack_krnl(fp_in, fp_out);
break;
default:
break;
}
return 0;
}
int main(int argc, char **argv)
{
FILE *fp_in, *fp_out;
int action = 0;
if (argc != 4)
{
fprintf(stderr, "Not enough arguments!");
help(argv);
return 1;
}
fp_in = fopen(argv[2], "rb");
if (!fp_in)
{
fprintf(stderr, "can't open input file '%s': %s\n", argv[2], strerror(errno));
return 1;
}
fp_out = fopen(argv[3], "wb");
if (!fp_out)
{
fprintf(stderr, "can't open output file '%s': %s\n", argv[3], strerror(errno));
return 1;
}
if (strcmp(argv[1],"-pack") == 0)
{
pack_krnl(fp_in, fp_out);
}
else if (strcmp(argv[1],"-unpack") == 0)
{
unpack_krnl(fp_in, fp_out);
}
else
{
help(argv);
return 1;
}
return 0;
}
int
main(int argc, char *argv[])
{
off_t size;
uint8_t *buf;
int fd;
if (argc != 2) {
fprintf(stderr, "usage: %s image\n", argv[0]);
exit(EXIT_FAILURE);
}
if ((fd = open(argv[1], O_RDONLY)) == -1)
err(EXIT_FAILURE, "%s", argv[1]);
if ((size = lseek(fd, 0, SEEK_END)) == -1)
err(EXIT_FAILURE, "%s", argv[1]);
if ((buf = mmap(NULL, size, PROT_READ, MAP_SHARED | MAP_FILE, fd, 0))
== MAP_FAILED)
err(EXIT_FAILURE, "%s", argv[1]);
if (memcmp(buf, "RKFW", 4) == 0)
unpack_rkfw(argv[1], buf, size);
else if (memcmp(buf, "RKAF", 4) == 0)
unpack_rkaf(argv[1], buf, size);
else if (memcmp(buf, "KRNL", 4) == 0 || memcmp(buf, "PARM", 4) == 0)
unpack_krnl(argv[1], buf, size);
else if (memcmp(buf, "ANDROID!", 8) == 0)
unpack_android(argv[1], buf, size);
else
errx(EXIT_FAILURE, "invalid signature");
printf("unpacked\n");
munmap(buf, size);
close(fd);
return EXIT_SUCCESS;
}
static void
unpack_rkaf(const char *path, uint8_t *buf, uint32_t size)
{
uint32_t fsize, ioff, isize, noff, nsize;
uint8_t *p;
int count;
const char *name, *fpath, *sep;
char dir[PATH_MAX];
fsize = (buf[4] | buf[5] << 8 | buf[6] << 16 | buf[7] << 24) + 4;
if (fsize != size)
fprintf(stderr, "invalid file size (should be %u bytes)\n",
fsize);
printf("FIRMWARE_VER:%d.%d.%d\n", buf[0x87], buf[0x86], buf[0x84]);
printf("MACHINE_MODEL:%s\n", &buf[0x08]);
printf("MACHINE_ID:%s\n", &buf[0x2a]);
printf("MANUFACTURER:%s\n", &buf[0x48]);
count = buf[0x88] | buf[0x89] << 8 | buf[0x8a] << 16 | buf[0x8b] << 24;
printf("\nunpacking %d files\n", count);
printf("-------------------------------------------------------------------------------\n");
for (p = &buf[0x8c]; count > 0; p += 0x70, count--) {
name = (const char *)p;
fpath = (const char *)&p[0x20];
nsize = p[0x5c] | p[0x5d] << 8 | p[0x5e] << 16 | p[0x5f] << 24;
ioff = p[0x60] | p[0x61] << 8 | p[0x62] << 16 | p[0x63] << 24;
noff = p[0x64] | p[0x65] << 8 | p[0x66] << 16 | p[0x67] << 24;
isize = p[0x68] | p[0x69] << 8 | p[0x6a] << 16 | p[0x6b] << 24;
fsize = p[0x6c] | p[0x6d] << 8 | p[0x6e] << 16 | p[0x6f] << 24;
if (memcmp(fpath, "SELF", 4) == 0)
printf("----------------- %s:%s:0x%x@0x%x (%s)", name,
fpath, nsize, noff, path);
else {
printf("%08x-%08x %s:%s", ioff, ioff + isize - 1, name,
fpath);
if (noff != 0xffffffffU)
printf(":0x%x@0x%x", nsize, noff);
if (memcmp(name, "parameter", 9) == 0) {
ioff += 8;
fsize -= 12;
}
sep = fpath;
while ((sep = strchr(sep, '/')) != NULL) {
memcpy(dir, fpath, sep - fpath);
dir[sep - fpath] = '\0';
if (mkdir(dir, 0755) == -1 && errno != EEXIST)
err(EXIT_FAILURE, "%s", dir);
sep++;
}
write_image(fpath, &buf[ioff], fsize);
if (memcmp(&buf[ioff], "KRNL", 4) == 0 ||
memcmp(&buf[ioff], "PARM", 4) == 0)
unpack_krnl(fpath, &buf[ioff], fsize);
}
printf(" %d bytes\n", fsize);
}
printf("-------------------------------------------------------------------------------\n");
}
