/* Wanted Team's loadseg modules */
static void process_WTWT_mod(char *credits, size_t credits_len,
unsigned char *buf, size_t len, char *lo,
char *hi, int rel)
{
int offset, txt_offset, chunk;
char tmpstr[256];
/* check for Magic ID */
offset = find_tag((uint8_t *) buf, 0, len, (uint8_t *) lo, 4);
if (offset == -1)
return;
offset =
find_tag((uint8_t *) buf, offset + 4, offset + 8, (uint8_t *) hi,
4);
if (offset == -1)
return;
chunk = offset - 8; /* here's where our first chunk should be */
offset = offset + rel; /* offset to our info pointers */
if (chunk < len && offset < len) {
txt_offset = read_be_u32(buf + offset) + chunk;
if (txt_offset < len && txt_offset != chunk) {
if (!string_checker(buf, txt_offset, len))
return;
snprintf(tmpstr, sizeof tmpstr, "\nMODULENAME:\n %s\n",
buf + txt_offset);
strlcat(credits, tmpstr, credits_len);
}
txt_offset = read_be_u32(buf + offset + 4) + chunk;
if (txt_offset < len && txt_offset != chunk) {
if (!string_checker(buf, txt_offset, len))
return;
snprintf(tmpstr, sizeof tmpstr, "\nAUTHORNAME:\n %s\n",
buf + txt_offset);
strlcat(credits, tmpstr, credits_len);
}
txt_offset = read_be_u32(buf + offset + 8) + chunk;
if (txt_offset < len && txt_offset != chunk) {
if (!string_checker(buf, txt_offset, len))
return;
snprintf(tmpstr, sizeof tmpstr, "\nSPECIALINFO:\n %s",
buf + txt_offset);
strlcat(credits, tmpstr, credits_len);
}
}
}
/* Get the info out of the digibooster module data*/
static void process_digi_mod(char *credits, size_t credits_len,
uint8_t * buf, size_t len)
{
int i;
char tmpstr[256];
if (len < (642 + 0x30 * 0x1e))
return;
if (!string_checker(buf, 610, len))
return;
snprintf(tmpstr, 0x2f, "\nSong title: %s \n", buf + 610);
strlcat(credits, tmpstr, credits_len);
snprintf(tmpstr, sizeof tmpstr, "max positions: %d\n", buf[47]);
strlcat(credits, tmpstr, credits_len);
snprintf(tmpstr, sizeof tmpstr, "\nINST - NAME SIZE VOL FINE LSTART LSIZE\n");
strlcat(credits, tmpstr, credits_len);
if (len >= (642 + 0x1f * 0x1e)) {
for (i = 0; i < 0x1f; i++) {
if (!string_checker(buf, 642 + i * 0x1e, len))
break;
snprintf(tmpstr, sizeof tmpstr, "[%2d] - ", i + 1);
strlcat(credits, tmpstr, credits_len);
snprintf(tmpstr, 30, "%-30s", buf + 642 + (i * 0x1e));
strlcat(credits, tmpstr, credits_len);
snprintf(tmpstr, sizeof tmpstr,
" %11d %2d %3d %11d %11d\n",
read_be_u32(buf + 176 + i * 4), buf[548 + i],
buf[579 + i], read_be_u32(buf + 300 + i * 4),
read_be_u32(buf + 424 + i * 4));
strlcat(credits, tmpstr, credits_len);
}
}
}
static int tronictest(unsigned char *buf, size_t bufsize)
{
size_t a = read_be_u16(&buf[0x02]) + read_be_u16(&buf[0x06]) +
read_be_u16(&buf[0x0a]) + read_be_u16(&buf[0x0e]) + 0x10;
if (((a + 2) >= bufsize) || (a & 1))
return 0; /* size & btst #0, d1; */
a = read_be_u16(&buf[a]) + a;
if (((a + 8) >= bufsize) || (a & 1))
return 0; /*size & btst #0,d1 */
if (read_be_u32(&buf[a + 4]) != 0x5800b0)
return 0;
return 1;
}
static int tfmxtest(unsigned char *buf, size_t bufsize, char *pre)
{
if (bufsize <= 0x208)
return 0;
if (strncmp((char *) buf, "TFHD", 4) == 0) {
if (buf[0x8] == 0x01) {
strcpy(pre, "TFHD1.5"); /* One File TFMX format by Alexis NASR */
return 1;
} else if (buf[0x8] == 0x02) {
strcpy(pre, "TFHDPro");
return 1;
} else if (buf[0x8] == 0x03) {
strcpy(pre, "TFHD7V");
return 1;
}
}
if (strncasecmp((char *) buf, "TFMX", 4) == 0) {
if (strncmp((char *) &buf[4], "-SONG", 5) == 0 ||
strncmp((char *) &buf[4], "_SONG ", 6) == 0 ||
strncasecmp((char *) &buf[4], "SONG", 4) == 0 ||
buf[4] == 0x20) {
strcpy(pre, "MDAT"); /*default TFMX: TFMX Pro */
if (strncmp((char *) &buf[10], "by", 2) == 0 ||
strncmp((char *) &buf[16], " ", 2) == 0 ||
strncmp((char *) &buf[16], "(Empty)", 7) == 0 ||
/* Lethal Zone */
(buf[16] == 0x30 && buf[17] == 0x3d) ||
(buf[4] == 0x20)){
if (read_be_u32(&buf[464]) == 0x00000000) {
uint16_t x = read_be_u16(&buf[14]);
if ((x != 0x0e60) || /* z-out title */
(x == 0x0860 && bufsize > 4645 && read_be_u16(&buf[4644]) != 0x090c) || /* metal law */
(x == 0x0b20 && bufsize > 5121 && read_be_u16(&buf[5120]) != 0x8c26) || /* bug bomber */
(x == 0x0920 && bufsize > 3977 && read_be_u16(&buf[3876]) != 0x9305)) { /* metal preview */
strcpy(pre, "TFMX1.5"); /*TFMX 1.0 - 1.6 */
}
}
return 1;
} else if (((buf[0x0e] == 0x08 && buf[0x0f] == 0xb0) && /* BMWi */
(buf[0x140] == 0x00 && buf[0x141] == 0x0b) && /*End tackstep 1st subsong */
(buf[0x1d2] == 0x02 && buf[0x1d3] == 0x00) && /*Trackstep datas */
(buf[0x200] == 0xff && buf[0x201] == 0x00 && /*First effect */
buf[0x202] == 0x00 && buf[0x203] == 0x00 &&
buf[0x204] == 0x01 && buf[0x205] == 0xf4 &&
buf[0x206] == 0xff && buf[0x207] == 0x00)) ||
((buf[0x0e] == 0x0A && buf[0x0f] == 0xb0) && /* B.C Kid */
(buf[0x140] == 0x00 && buf[0x141] == 0x15) && /*End tackstep 1st subsong */
(buf[0x1d2] == 0x02 && buf[0x1d3] == 0x00) && /*Trackstep datas */
(buf[0x200] == 0xef && buf[0x201] == 0xfe && /*First effect */
buf[0x202] == 0x00 && buf[0x203] == 0x03 &&
buf[0x204] == 0x00 && buf[0x205] == 0x0d &&
buf[0x206] == 0x00 && buf[0x207] == 0x00))) {
strcpy(pre, "TFMX7V"); /* "special cases TFMX 7V */
return 1;
} else {
int e, i, s, t;
/* Trackstep datas offset */
s = read_be_u32(&buf[0x1d0]);
if (s == 0x00000000) {
/* unpacked */
s = 0x00000800;
}
for (i = 0; i < 0x3d; i += 2) {
if (read_be_u16(&buf[0x140 + i]) != 0x0000) { /* subsong */
/* Start of subsongs Trackstep data :) */
t = read_be_u16(&buf[0x100 + i]) * 16 + s;
/* End of subsongs Trackstep data :) */
e = read_be_u16(&buf[0x140 + i]) * 16 + s;
if (e < bufsize) {
for (; t < e && (t + 6) < bufsize; t += 2) {
if (read_be_u16(&buf[t]) == 0xeffe &&
read_be_u32(&buf[t + 2]) == 0x0003ff00 &&
buf[t + 6] == 0x00) {
strcpy(pre, "TFMX7V"); /*TFMX 7V */
return 1;
}
}
}
}
}
}
}
}
return 0;
}
/* Get the info out of custom song. FIX ME, clean this function. */
static void process_custom(char *credits, size_t credits_len,
unsigned char *buf, size_t len)
{
char tmpstr[1024];
unsigned char *hunk;
unsigned char *tag_table;
int hunk_size;
int table_size;
int i;
int offset;
unsigned int x, y;
unsigned char startpattern[4] = { 0x70, 0xff, 0x4e, 0x75 };
if (len < 4)
return;
if (read_be_u32(buf) != 0x000003f3)
return;
i = find_tag(buf, 0, len, startpattern, sizeof startpattern);
if (i == -1 || (i + 12) >= len)
return;
if (strncmp((char *)buf + i + 4, "DELIRIUM", 8) != 0 &&
strncmp((char *)buf + i + 4, "EPPLAYER", 8) != 0) {
return;
}
/* Hunk found */
hunk = buf + i;
hunk_size = len - i;
if (16 + i + 5 >= hunk_size)
return;
/* Check if $VER is available */
if (!memcmp(&hunk[16], "$VER:", 5)) {
offset = 16 + 5;
while (offset < hunk_size) {
if (memcmp(&hunk[offset], " ", 1))
break;
offset++;
}
if (offset >= hunk_size)
return;
if ((offset + strlen((char *)hunk + offset) + 1) >
((size_t) hunk_size))
return;
snprintf(tmpstr, sizeof tmpstr, "\nVERSION:\n%s\n\n",
hunk + offset);
strlcat(credits, tmpstr, credits_len);
}
offset = read_be_u32(hunk + 12);
if (offset < 0) {
return;
}
tag_table = hunk + offset;
if (tag_table >= &buf[len])
return;
table_size = ((int)(&buf[len] - tag_table)) / 8;
if (table_size <= 0)
return;
/* check all tags in this loop */
for (i = 0; i < table_size; i += 2) {
x = read_be_u32(tag_table + 4 * i);
y = read_be_u32(tag_table + 4 * (i + 1));
if (!x)
break;
switch (x) {
case 0x8000445a:
if (y >= ((unsigned int)hunk_size))
return;
if ((y + strlen((char *)hunk + y) + 1) >
((size_t) hunk_size))
return;
snprintf(tmpstr, sizeof tmpstr, "\nCREDITS:\n%s\n\n",
hunk + y);
strlcat(credits, tmpstr, credits_len);
break;
default:
break;
}
}
}