a8137db76b
Introduce the framed guest_channel_transport with shared deadlines and std::jthread ownership, metadata-only retired-schema quarantine with fail-closed integrity, stateless frozen-catalog validators with capability pinned to zero, and the generic local-service proxy with descriptor-pinned endpoints, alias-only guest sockets, audit-gated delivery, and a Linux managed runtime capability derived only from a registry-bound operational factory. Sage vocabulary is confined to src/adapters/sage.
514 lines
22 KiB
C++
514 lines
22 KiB
C++
#include "glove/container/profile.hpp"
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#include "glove/container/spawner.hpp"
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#include "glove/supervisor/linux_session_filesystem.hpp"
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#include "linux_managed_session.hpp"
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#include "linux_resource_lifecycle.hpp"
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#include <fcntl.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <algorithm>
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#include <cstdio>
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#include <expected>
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#include <ranges>
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#include <string>
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#include <vector>
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namespace {
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#define REQUIRE(cond) \
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do { \
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if (!(cond)) { \
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std::fprintf(stderr, "REQUIRE failed: %s @ %s:%d\n", #cond, __FILE__, __LINE__); \
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return 1; \
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} \
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} while (0)
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using glove::container::profile;
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using glove::container::resource_limits;
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using glove::container::linux_detail::managed_launch_binding;
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using glove::supervisor::linux_detail::session_mount;
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constexpr std::string_view controller_digest =
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
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auto limits() -> resource_limits {
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return {
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.cpu_time_ms = 10'000,
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.memory_bytes = std::uint64_t{128} * 1024U * 1024U,
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.pids = 16,
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.wall_time_ms = 20'000,
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.disk_bytes = std::uint64_t{16} * 1024U * 1024U,
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.terminal_output_bytes = std::uint64_t{1024} * 1024U,
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};
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}
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auto launch_profile() -> profile {
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profile result;
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result.environment = {"TERM=xterm-256color", "PATH=/usr/bin:/bin"};
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result.required_limits = limits();
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return result;
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}
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auto mounts() -> std::vector<session_mount> {
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const auto scratch_quota = limits().disk_bytes * 3U / 4U;
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const auto project_quota = limits().disk_bytes - scratch_quota;
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return {
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{
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.descriptor_fd = 12,
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.target_path = "/var/tmp",
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.alias = "__scratch_var_tmp",
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.quota_partition = "__scratch",
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.quota_bytes = scratch_quota,
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.source_identity = std::nullopt,
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.source_content_digest = std::nullopt,
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.projection_id = std::nullopt,
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.projection_destination_alias = std::nullopt,
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.runtime_adapter_id = std::nullopt,
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.runtime_context_digest = std::nullopt,
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.runtime_adoption_manifest_digest = std::nullopt,
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.runtime_adoption_snapshot_digest = std::nullopt,
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.secret_handle = std::nullopt,
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.secret_runtime_id = std::nullopt,
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.service_proxy_manifest_digest = std::nullopt,
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.writable = true,
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.directory = true,
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},
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{
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.descriptor_fd = 11,
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.target_path = "/tmp",
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.alias = "__scratch_tmp",
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.quota_partition = "__scratch",
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.quota_bytes = scratch_quota,
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.source_identity = std::nullopt,
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.source_content_digest = std::nullopt,
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.projection_id = std::nullopt,
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.projection_destination_alias = std::nullopt,
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.runtime_adapter_id = std::nullopt,
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.runtime_context_digest = std::nullopt,
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.runtime_adoption_manifest_digest = std::nullopt,
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.runtime_adoption_snapshot_digest = std::nullopt,
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.secret_handle = std::nullopt,
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.secret_runtime_id = std::nullopt,
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.service_proxy_manifest_digest = std::nullopt,
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.writable = true,
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.directory = true,
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},
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{
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.descriptor_fd = 13,
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.target_path = "/workspace/project",
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.alias = "project",
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.quota_partition = "project",
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.quota_bytes = project_quota,
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.source_identity =
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glove::supervisor::path_identity{
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.device = 7,
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.inode = 11,
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.mode = static_cast<std::uint32_t>(S_IFDIR | 0700),
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},
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.source_content_digest = std::nullopt,
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.projection_id = std::nullopt,
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.projection_destination_alias = std::nullopt,
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.runtime_adapter_id = std::nullopt,
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.runtime_context_digest = std::nullopt,
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.runtime_adoption_manifest_digest = std::nullopt,
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.runtime_adoption_snapshot_digest = std::nullopt,
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.secret_handle = std::nullopt,
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.secret_runtime_id = std::nullopt,
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.service_proxy_manifest_digest = std::nullopt,
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.writable = true,
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.directory = true,
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},
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{
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.descriptor_fd = 14,
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.target_path = "/workspace/reference",
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.alias = "reference",
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.quota_partition = "",
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.quota_bytes = 0,
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.source_identity =
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glove::supervisor::path_identity{
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.device = 7,
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.inode = 12,
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.mode = static_cast<std::uint32_t>(S_IFDIR | 0755),
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},
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.source_content_digest = std::nullopt,
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.projection_id = std::nullopt,
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.projection_destination_alias = std::nullopt,
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.runtime_adapter_id = std::nullopt,
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.runtime_context_digest = std::nullopt,
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.runtime_adoption_manifest_digest = std::nullopt,
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.runtime_adoption_snapshot_digest = std::nullopt,
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.secret_handle = std::nullopt,
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.secret_runtime_id = std::nullopt,
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.service_proxy_manifest_digest = std::nullopt,
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.writable = false,
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.directory = true,
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},
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};
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}
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auto make_binding(
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const profile& prof,
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const std::vector<std::string>& argv,
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const std::vector<session_mount>& projection,
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std::string_view plan_digest = controller_digest
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) -> std::expected<managed_launch_binding, std::string> {
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return glove::container::linux_detail::bind_managed_launch_projection(
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prof, argv, projection, plan_digest
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);
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}
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auto run() -> int {
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auto first_profile = launch_profile();
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const std::vector argv = {std::string{"/usr/bin/true"}, std::string{"--version"}};
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auto first_mounts = mounts();
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auto first = make_binding(first_profile, argv, first_mounts);
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REQUIRE(first.has_value());
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REQUIRE(first->controller_plan_digest == controller_digest);
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REQUIRE(first->profile_digest.size() == 64);
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REQUIRE(first->library_projections.empty());
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REQUIRE(!first->service_proxy_manifest_digest);
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auto service_profile = first_profile;
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service_profile.environment.push_back("GLOVE_LOCAL_SERVICE_DIR=/run/glove-services/local");
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auto service_mounts = first_mounts;
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service_mounts.push_back({
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.descriptor_fd = 15,
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.target_path = "/run/glove-services/local",
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.alias = "local-services",
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.quota_partition = "",
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.quota_bytes = 0,
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.source_identity =
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glove::supervisor::path_identity{
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.device = 7,
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.inode = 13,
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.mode = static_cast<std::uint32_t>(S_IFDIR | 0700),
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},
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.source_content_digest = std::nullopt,
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.projection_id = std::nullopt,
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.projection_destination_alias = std::nullopt,
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.runtime_adapter_id = std::nullopt,
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.runtime_context_digest = std::nullopt,
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.runtime_adoption_manifest_digest = std::nullopt,
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.runtime_adoption_snapshot_digest = std::nullopt,
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.secret_handle = std::nullopt,
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.secret_runtime_id = std::nullopt,
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.service_proxy_manifest_digest = std::string(64U, 'b'),
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.writable = false,
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.directory = true,
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});
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auto service_binding = make_binding(service_profile, argv, service_mounts);
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REQUIRE(service_binding.has_value());
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REQUIRE(service_binding->service_proxy_manifest_digest == std::string(64U, 'b'));
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REQUIRE(service_binding->profile_digest != first->profile_digest);
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REQUIRE(!make_binding(first_profile, argv, service_mounts).has_value());
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REQUIRE(!make_binding(service_profile, argv, first_mounts).has_value());
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auto changed_service = service_mounts;
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changed_service.back().service_proxy_manifest_digest = std::string(64U, 'c');
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auto changed_service_binding = make_binding(service_profile, argv, changed_service);
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REQUIRE(changed_service_binding.has_value());
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REQUIRE(changed_service_binding->profile_digest != service_binding->profile_digest);
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auto invalid_service = service_mounts;
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invalid_service.back().alias = "__local_services";
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REQUIRE(!make_binding(service_profile, argv, invalid_service).has_value());
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invalid_service = service_mounts;
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invalid_service.back().target_path = "/tmp/local-services";
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REQUIRE(!make_binding(service_profile, argv, invalid_service).has_value());
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invalid_service = service_mounts;
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invalid_service.back().service_proxy_manifest_digest = "not-a-digest";
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REQUIRE(!make_binding(service_profile, argv, invalid_service).has_value());
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invalid_service = service_mounts;
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invalid_service.push_back(service_mounts.back());
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REQUIRE(!make_binding(service_profile, argv, invalid_service).has_value());
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std::ranges::reverse(first_profile.environment);
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std::ranges::reverse(first_mounts);
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auto reordered = make_binding(first_profile, argv, first_mounts);
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REQUIRE(reordered == first);
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auto changed_argv = argv;
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changed_argv.push_back("different");
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auto argv_binding = make_binding(first_profile, changed_argv, first_mounts);
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REQUIRE(argv_binding.has_value());
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REQUIRE(argv_binding->profile_digest != first->profile_digest);
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auto workspace_profile = first_profile;
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workspace_profile.work_dir = "/workspace";
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auto workspace_binding = make_binding(workspace_profile, argv, first_mounts);
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REQUIRE(workspace_binding.has_value());
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REQUIRE(workspace_binding->profile_digest != first->profile_digest);
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auto invalid_work_dir = first_profile;
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invalid_work_dir.work_dir = "/tmp";
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REQUIRE(!make_binding(invalid_work_dir, argv, first_mounts).has_value());
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auto unbacked_work_dir_mounts = first_mounts;
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for (auto& mount : unbacked_work_dir_mounts) {
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if (mount.target_path == "/workspace/project") {
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mount.target_path = "/project";
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} else if (mount.target_path == "/workspace/reference") {
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mount.target_path = "/reference";
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}
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}
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REQUIRE(!make_binding(workspace_profile, argv, unbacked_work_dir_mounts).has_value());
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auto changed_mounts = first_mounts;
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changed_mounts[0].target_path = "/workspace/tmp";
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auto mount_binding = make_binding(first_profile, argv, changed_mounts);
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REQUIRE(mount_binding.has_value());
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REQUIRE(mount_binding->profile_digest != first->profile_digest);
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auto writable_reference = first_mounts;
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const auto writable_reference_entry =
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std::ranges::find(writable_reference, std::string{"reference"}, &session_mount::alias);
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REQUIRE(writable_reference_entry != writable_reference.end());
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writable_reference_entry->writable = true;
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REQUIRE(!make_binding(first_profile, argv, writable_reference).has_value());
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auto quota_bearing_reference = first_mounts;
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const auto quota_bearing_reference_entry =
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std::ranges::find(quota_bearing_reference, std::string{"reference"}, &session_mount::alias);
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REQUIRE(quota_bearing_reference_entry != quota_bearing_reference.end());
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quota_bearing_reference_entry->quota_partition = "reference";
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quota_bearing_reference_entry->quota_bytes = 4096U;
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REQUIRE(!make_binding(first_profile, argv, quota_bearing_reference).has_value());
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auto changed_quota = first_mounts;
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for (auto& mount : changed_quota) {
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if (mount.quota_partition == "__scratch") {
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mount.quota_bytes -= 4096U;
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} else if (mount.writable) {
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mount.quota_bytes += 4096U;
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}
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}
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auto quota_binding = make_binding(first_profile, argv, changed_quota);
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REQUIRE(quota_binding.has_value());
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REQUIRE(quota_binding->profile_digest != first->profile_digest);
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auto library_mounts = first_mounts;
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const std::string library_digest(64U, 'd');
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library_mounts.push_back({
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.descriptor_fd = 15,
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.target_path = "/opt/sage/library-bundles/" + library_digest + ".json",
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.alias = "library:sage-core",
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.quota_partition = "",
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.quota_bytes = 0,
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.source_identity =
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glove::supervisor::path_identity{
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.device = 7,
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.inode = 13,
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.mode = static_cast<std::uint32_t>(S_IFREG | 0600),
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},
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.source_content_digest = library_digest,
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.projection_id = "sage-core",
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.projection_destination_alias = "libraries",
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.runtime_adapter_id = std::nullopt,
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.runtime_context_digest = std::nullopt,
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.runtime_adoption_manifest_digest = std::nullopt,
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.runtime_adoption_snapshot_digest = std::nullopt,
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.secret_handle = std::nullopt,
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.secret_runtime_id = std::nullopt,
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.service_proxy_manifest_digest = std::nullopt,
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.writable = false,
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.directory = false,
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});
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auto library_binding = make_binding(first_profile, argv, library_mounts);
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REQUIRE(library_binding.has_value());
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REQUIRE(library_binding->profile_digest != first->profile_digest);
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REQUIRE(library_binding->library_projections.size() == 1U);
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REQUIRE(library_binding->library_projections.front().projection_id == "sage-core");
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REQUIRE(library_binding->library_projections.front().destination_alias == "libraries");
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REQUIRE(library_binding->library_projections.front().content_digest == library_digest);
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REQUIRE(
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library_binding->library_projections.front().target_path ==
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"/opt/sage/library-bundles/" + library_digest + ".json"
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);
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library_mounts.back().source_content_digest = std::string(64U, 'e');
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REQUIRE(!make_binding(first_profile, argv, library_mounts).has_value());
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auto inconsistent_quota = first_mounts;
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++inconsistent_quota[0].quota_bytes;
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REQUIRE(!make_binding(first_profile, argv, inconsistent_quota).has_value());
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auto changed_plan = make_binding(
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first_profile,
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argv,
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first_mounts,
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"bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb"
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);
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REQUIRE(changed_plan.has_value());
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REQUIRE(changed_plan->profile_digest != first->profile_digest);
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auto online_profile = first_profile;
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online_profile.proxy = glove::container::proxy_settings{
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.port = 43117,
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.url = "http://glove:ephemeral-a@127.0.0.1:43117",
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};
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auto online_binding = make_binding(online_profile, argv, first_mounts);
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REQUIRE(online_binding.has_value());
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REQUIRE(online_binding->profile_digest != first->profile_digest);
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online_profile.proxy->url = "http://glove:ephemeral-b@127.0.0.1:43117";
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auto changed_egress_capability = make_binding(online_profile, argv, first_mounts);
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REQUIRE(changed_egress_capability.has_value());
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REQUIRE(changed_egress_capability->profile_digest != online_binding->profile_digest);
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auto credentialed_profile = first_profile;
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credentialed_profile.managed_home_dir = "/home/agent";
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auto credentialed_mounts = first_mounts;
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credentialed_mounts.push_back({
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.descriptor_fd = 16,
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.target_path = "/home/agent",
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.alias = "__runtime_home_codex",
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.quota_partition = "__scratch",
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.quota_bytes = limits().disk_bytes * 3U / 4U,
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.source_identity = std::nullopt,
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.source_content_digest = std::nullopt,
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.projection_id = std::nullopt,
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.projection_destination_alias = std::nullopt,
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.runtime_adapter_id = "codex",
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.runtime_context_digest = std::string(64U, 'c'),
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.runtime_adoption_manifest_digest = std::nullopt,
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.runtime_adoption_snapshot_digest = std::nullopt,
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.secret_handle = std::nullopt,
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.secret_runtime_id = std::nullopt,
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.service_proxy_manifest_digest = std::nullopt,
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.writable = true,
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.directory = true,
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});
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credentialed_mounts.push_back({
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.descriptor_fd = 17,
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.target_path = "/home/agent/.codex/auth.json",
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.alias = "secret:codex-auth",
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.quota_partition = "",
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.quota_bytes = 0,
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.source_identity =
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glove::supervisor::path_identity{
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.device = 7,
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.inode = 14,
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.mode = static_cast<std::uint32_t>(S_IFREG | 0600),
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},
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.source_content_digest = std::nullopt,
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.projection_id = std::nullopt,
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.projection_destination_alias = std::nullopt,
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.runtime_adapter_id = std::nullopt,
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.runtime_context_digest = std::nullopt,
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.runtime_adoption_manifest_digest = std::nullopt,
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.runtime_adoption_snapshot_digest = std::nullopt,
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.secret_handle = "codex-auth",
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.secret_runtime_id = "codex",
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.service_proxy_manifest_digest = std::nullopt,
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.writable = true,
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.directory = false,
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});
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auto credentialed_binding = make_binding(credentialed_profile, argv, credentialed_mounts);
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REQUIRE(credentialed_binding.has_value());
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REQUIRE(credentialed_binding->profile_digest != first->profile_digest);
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credentialed_profile.work_dir = "/home/agent";
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auto private_home_binding = make_binding(credentialed_profile, argv, credentialed_mounts);
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REQUIRE(private_home_binding.has_value());
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REQUIRE(private_home_binding->profile_digest != credentialed_binding->profile_digest);
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auto adopted_profile = first_profile;
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adopted_profile.managed_home_dir = "/home/agent";
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auto adopted_mounts = first_mounts;
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adopted_mounts.push_back({
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.descriptor_fd = 18,
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.target_path = "/home/agent",
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.alias = "__runtime_home_pi",
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.quota_partition = "__scratch",
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.quota_bytes = limits().disk_bytes * 3U / 4U,
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.source_identity = std::nullopt,
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.source_content_digest = std::nullopt,
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.projection_id = std::nullopt,
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.projection_destination_alias = std::nullopt,
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.runtime_adapter_id = "pi",
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.runtime_context_digest = std::string(64U, 'c'),
|
|
.runtime_adoption_manifest_digest = std::string(64U, 'a'),
|
|
.runtime_adoption_snapshot_digest = std::string(64U, 'b'),
|
|
.secret_handle = std::nullopt,
|
|
.secret_runtime_id = std::nullopt,
|
|
.service_proxy_manifest_digest = std::nullopt,
|
|
.writable = true,
|
|
.directory = true,
|
|
});
|
|
auto adopted_binding = make_binding(adopted_profile, argv, adopted_mounts);
|
|
REQUIRE(adopted_binding.has_value());
|
|
adopted_mounts.back().runtime_adoption_snapshot_digest = std::string(64U, 'd');
|
|
auto changed_adoption = make_binding(adopted_profile, argv, adopted_mounts);
|
|
REQUIRE(changed_adoption.has_value());
|
|
REQUIRE(changed_adoption->profile_digest != adopted_binding->profile_digest);
|
|
adopted_mounts.back().runtime_adoption_snapshot_digest = std::nullopt;
|
|
REQUIRE(!make_binding(adopted_profile, argv, adopted_mounts).has_value());
|
|
|
|
credentialed_profile.work_dir = "/tmp";
|
|
REQUIRE(!make_binding(credentialed_profile, argv, credentialed_mounts).has_value());
|
|
|
|
auto mismatched_secret = credentialed_mounts;
|
|
mismatched_secret.back().secret_runtime_id = "claude";
|
|
REQUIRE(!make_binding(credentialed_profile, argv, mismatched_secret).has_value());
|
|
|
|
auto secret_outside_home = credentialed_mounts;
|
|
secret_outside_home.back().target_path = "/run/secrets/codex-auth";
|
|
REQUIRE(!make_binding(credentialed_profile, argv, secret_outside_home).has_value());
|
|
|
|
std::string executable_pattern = "/tmp/glove-launch-binding-exec-XXXXXX";
|
|
const int executable_fd = ::mkstemp(executable_pattern.data());
|
|
REQUIRE(executable_fd >= 0);
|
|
REQUIRE(::fchmod(executable_fd, 0700) == 0);
|
|
REQUIRE(::write(executable_fd, "first", 5) == 5);
|
|
const std::vector executable_argv = {executable_pattern};
|
|
auto executable_before = make_binding(first_profile, executable_argv, first_mounts);
|
|
REQUIRE(executable_before.has_value());
|
|
REQUIRE(::write(executable_fd, "-changed", 8) == 8);
|
|
auto executable_after = make_binding(first_profile, executable_argv, first_mounts);
|
|
REQUIRE(executable_after.has_value());
|
|
REQUIRE(executable_after->profile_digest != executable_before->profile_digest);
|
|
auto pinned_before = glove::container::linux_detail::bind_managed_launch_projection_from_fd(
|
|
first_profile, executable_argv, first_mounts, controller_digest, executable_fd
|
|
);
|
|
REQUIRE(pinned_before.has_value());
|
|
const std::string original_path = executable_pattern + "-original";
|
|
REQUIRE(::rename(executable_pattern.c_str(), original_path.c_str()) == 0);
|
|
auto pinned_after_rename =
|
|
glove::container::linux_detail::bind_managed_launch_projection_from_fd(
|
|
first_profile, executable_argv, first_mounts, controller_digest, executable_fd
|
|
);
|
|
REQUIRE(pinned_after_rename.has_value());
|
|
const int replacement_fd =
|
|
::open(executable_pattern.c_str(), O_WRONLY | O_CREAT | O_EXCL | O_CLOEXEC, 0700);
|
|
REQUIRE(replacement_fd >= 0);
|
|
REQUIRE(::write(replacement_fd, "replacement", 11) == 11);
|
|
REQUIRE(::close(replacement_fd) == 0);
|
|
auto pinned_after = glove::container::linux_detail::bind_managed_launch_projection_from_fd(
|
|
first_profile, executable_argv, first_mounts, controller_digest, executable_fd
|
|
);
|
|
REQUIRE(pinned_after.has_value());
|
|
// Rename updates ctime, which is deliberately committed by the binding.
|
|
// Replacing the old path must not affect a descriptor pinned after rename.
|
|
REQUIRE(pinned_after == pinned_after_rename);
|
|
auto pinned_repeated = glove::container::linux_detail::bind_managed_launch_projection_from_fd(
|
|
first_profile, executable_argv, first_mounts, controller_digest, executable_fd
|
|
);
|
|
REQUIRE(pinned_repeated == pinned_after);
|
|
auto replacement = make_binding(first_profile, executable_argv, first_mounts);
|
|
REQUIRE(replacement.has_value());
|
|
REQUIRE(replacement->profile_digest != pinned_after->profile_digest);
|
|
REQUIRE(::close(executable_fd) == 0);
|
|
REQUIRE(::unlink(executable_pattern.c_str()) == 0);
|
|
REQUIRE(::unlink(original_path.c_str()) == 0);
|
|
|
|
REQUIRE(!make_binding(first_profile, argv, first_mounts, "not-a-digest").has_value());
|
|
REQUIRE(glove::container::linux_detail::managed_session_capabilities().complete());
|
|
auto public_spawner = glove::container::make_default_spawner();
|
|
REQUIRE(public_spawner != nullptr);
|
|
REQUIRE(!public_spawner->resource_capabilities().complete());
|
|
return 0;
|
|
}
|
|
|
|
} // namespace
|
|
|
|
auto main() -> int {
|
|
return run();
|
|
}
|