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EA SBK: Safety checks

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This commit is contained in:
EdnessP 2024-05-09 05:31:44 +03:00
parent e699c53cf3
commit 3fdbe757ae
1 changed files with 14 additions and 5 deletions
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19
src/meta/ea_sbk.c
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@ -27,7 +27,8 @@ VGMSTREAM* init_vgmstream_ea_sbk(STREAMFILE* sf) {
goto fail;
if (!target_stream) target_stream = 1;
if (target_stream < 0) goto fail;
if (target_stream == 0) target_stream = 1;
target_stream -= 1;
if (is_id32be(chunk_offset, sf, "BNKl") ||
@ -43,12 +44,16 @@ VGMSTREAM* init_vgmstream_ea_sbk(STREAMFILE* sf) {
is_id32le(chunk_offset, sf, "sdat")) { /* tads */
/* The Simpsons Game */
int total_subsongs;
int total_streams;
off_t entry_offset, stream_offset;
eaac_meta_t info = {0};
total_subsongs = read_u32(chunk_offset + 0x04, sf);
total_streams = read_u32(chunk_offset + 0x04, sf);
if (total_streams < 1 || target_stream + 1 > total_streams)
goto fail;
entry_offset = chunk_offset + 0x8 + target_stream * 0x10;
/* For each entry:
@ -57,7 +62,6 @@ VGMSTREAM* init_vgmstream_ea_sbk(STREAMFILE* sf) {
* 0x08: stream offset
* 0x0C: 0xFEEDFEED (?)
*/
if (read_u32(entry_offset + 0x00, sf) != target_stream)
goto fail;
@ -66,12 +70,17 @@ VGMSTREAM* init_vgmstream_ea_sbk(STREAMFILE* sf) {
info.sf_head = sf;
info.sf_body = sf;
info.head_offset = stream_offset;
//info.body_offset
info.type = meta_EA_SBK;
vgmstream = load_vgmstream_ea_eaac(&info);
if (!vgmstream) goto fail;
vgmstream->num_streams = total_subsongs;
vgmstream->num_streams = total_streams;
}
else {
VGM_LOG("EA SBK: unsupported sound data block\n");
goto fail;
}
return vgmstream;