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Retain verified disc identity in negotiated content plans

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This commit is contained in:
Matthew Stanley
2026-10-15 01:16:42 -07:00
parent fd6b89ccc7
commit c91dba45af
2 changed files with 37 additions and 2 deletions
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runtime/tests/test_mod_runtime.cpp
+20
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@@ -1263,6 +1263,26 @@ int main(int argc, char** argv) {
check(!PSXRecompV4::mod_runtime_prepare_for_launcher(raw_path,&error,
[&](float fraction,const std::string&){++reports;return fraction<1.0f;}),"cancel before installing prepared plan");
check(reports>1 && error=="Preparation canceled.","runtime propagates cooperative cancellation");
check(PSXRecompV4::mod_runtime_initialize(folder,"READER",0,{},&error),"cold offer overlay initialize");
check(PSXRecompV4::mod_runtime_prepare_resources(raw_path,&error),"cold offer prepares exact-disc resources without commit");
const auto offer_fp=PSXRecompV4::mod_runtime_plan_fingerprint_portable();
check(offer_fp.size()==64 && PSXRecompV4::mod_runtime_fingerprint().empty(),"cold offer qualifies disc without installing a plan");
check(PSXRecompV4::mod_runtime_initialize(folder,"READER",0,{},&error),"cold LAN overlay initialize");
test_match_caps={};
check(PSXRecompV4::mod_runtime_commit_for_direct_netplay(raw_path,&error),"cold LAN accepts exact-disc resource overlay");
check(PSXRecompV4::mod_runtime_session_plan_fp()==offer_fp &&
PSXRecompV4::mod_runtime_plan_fingerprint_portable()==offer_fp &&
PSXRecompV4::mod_runtime_fingerprint()==offer_fp,"offer and committed exact-disc identities agree");
PSXRecompV4::mod_runtime_end_netplay();
const auto changed_disc=folder/"offered.bin";
write_bytes(changed_disc,raw_iso);
check(PSXRecompV4::mod_runtime_initialize(folder,"READER",0,{},&error),"changed offer overlay initialize");
check(PSXRecompV4::mod_runtime_prepare_resources(changed_disc,&error),"prepare source before same-path mutation");
auto changed_bytes=raw_iso;changed_bytes[10]^=1; // Outside every stock overlay guard range.
write_bytes(changed_disc,changed_bytes);
check(!PSXRecompV4::mod_runtime_commit_for_direct_netplay(changed_disc,&error),"final LAN commit rejects same-path changed source identity");
check(PSXRecompV4::mod_runtime_session_plan_fp().empty(),"changed offer cannot install session identity");
check(PSXRecompV4::mod_runtime_initialize(folder,"READER",0,{},&error),"restore original overlay selection");
check(PSXRecompV4::mod_runtime_prepare_for_launcher(raw_path,&error),"prepare verified resource-backed overlay");
mod_runtime_enable_disc_patches();
fs::remove(pack_path,ec); // Committed bytes must remain immutable and resident.