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ctrtool: updated ncsd code

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proper detection of ncch0 offset/size
This commit is contained in:
3DSGuy
2014-04-14 14:11:43 +08:00
parent 4fe8ad75fe
commit a8c0e20160
1 changed files with 12 additions and 12 deletions
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ctrtool/ncsd.c
+12 -12
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@@ -42,6 +42,16 @@ int ncsd_signature_verify(const void* blob, rsakey2048* key)
return ctr_rsa_verify_hash(sig, hash, key); return ctr_rsa_verify_hash(sig, hash, key);
} }
unsigned int ncsd_get_mediaunit_size(ncsd_context* ctx)
{
unsigned int mediaunitsize = settings_get_mediaunit_size(ctx->usersettings);
if (mediaunitsize == 0)
mediaunitsize = 1<<(9+ctx->header.flags[6]);
return mediaunitsize;
}
void ncsd_process(ncsd_context* ctx, u32 actions) void ncsd_process(ncsd_context* ctx, u32 actions)
{ {
fseek(ctx->file, ctx->offset, SEEK_SET); fseek(ctx->file, ctx->offset, SEEK_SET);
@@ -64,22 +74,12 @@ void ncsd_process(ncsd_context* ctx, u32 actions)
ncsd_print(ctx); ncsd_print(ctx);
ncch_set_file(&ctx->ncch, ctx->file); ncch_set_file(&ctx->ncch, ctx->file);
ncch_set_offset(&ctx->ncch, 0x4000); ncch_set_offset(&ctx->ncch, ctx->header.partitiongeometry[0].offset * ncsd_get_mediaunit_size(ctx));
ncch_set_size(&ctx->ncch, ctx->size - 0x4000); ncch_set_size(&ctx->ncch, ctx->header.partitiongeometry[0].size * ncsd_get_mediaunit_size(ctx));
ncch_set_usersettings(&ctx->ncch, ctx->usersettings); ncch_set_usersettings(&ctx->ncch, ctx->usersettings);
ncch_process(&ctx->ncch, actions); ncch_process(&ctx->ncch, actions);
} }
unsigned int ncsd_get_mediaunit_size(ncsd_context* ctx)
{
unsigned int mediaunitsize = settings_get_mediaunit_size(ctx->usersettings);
if (mediaunitsize == 0)
mediaunitsize = 1<<(9+ctx->header.flags[6]);
return mediaunitsize;
}
const char* ncsd_print_mediatype(u8 type) const char* ncsd_print_mediatype(u8 type)
{ {
switch(type) switch(type)