tests: mutate spawn-agent permission profile directly

codex-rs/analytics/src/analytics_client_tests.rs

@@ -98,7 +98,6 @@ use codex_protocol::protocol::AskForApproval;
 use codex_protocol::protocol::HookEventName;
 use codex_protocol::protocol::HookRunStatus;
 use codex_protocol::protocol::HookSource;
-use codex_protocol::protocol::SandboxPolicy;
 use codex_protocol::protocol::SessionSource;
 use codex_protocol::protocol::SubAgentSource;
 use codex_protocol::protocol::TokenUsage;
@@ -313,9 +312,7 @@ fn sample_turn_resolved_config(turn_id: &str) -> TurnResolvedConfigFact {
         session_source: SessionSource::Exec,
         model: "gpt-5".to_string(),
         model_provider: "openai".to_string(),
-        permission_profile: CorePermissionProfile::from_legacy_sandbox_policy(
-            &SandboxPolicy::new_read_only_policy(),
-        ),
+        permission_profile: CorePermissionProfile::read_only(),
         permission_profile_cwd: PathBuf::from("/tmp"),
         reasoning_effort: None,
         reasoning_summary: None,

codex-rs/analytics/src/reducer.rs

@@ -979,7 +979,7 @@ fn sandbox_policy_mode(permission_profile: &PermissionProfile, cwd: &Path) -> &'
                 if permission_profile.network_sandbox_policy().is_enabled() {
                     "full_access"
                 } else {
-                    "external_sandbox"
+                    "custom_permissions"
                 }
             } else if file_system_policy
                 .get_writable_roots_with_cwd(cwd)
@@ -1089,7 +1089,7 @@ mod tests {
     use codex_protocol::permissions::NetworkSandboxPolicy;
 
     #[test]
-    fn managed_full_disk_with_restricted_network_reports_external_sandbox() {
+    fn managed_full_disk_with_restricted_network_reports_custom_permissions() {
         let permission_profile = PermissionProfile::from_runtime_permissions_with_enforcement(
             SandboxEnforcement::Managed,
             &FileSystemSandboxPolicy::unrestricted(),
@@ -1098,7 +1098,7 @@ mod tests {
 
         assert_eq!(
             sandbox_policy_mode(&permission_profile, Path::new("/")),
-            "external_sandbox"
+            "custom_permissions"
         );
     }
 }

codex-rs/app-server/tests/suite/v2/turn_start.rs

@@ -89,6 +89,13 @@ fn body_contains(req: &wiremock::Request, text: &str) -> bool {
         .is_some_and(|body| body.contains(text))
 }
 
+fn select_permission_profile(id: &str) -> PermissionProfileSelectionParams {
+    PermissionProfileSelectionParams::Profile {
+        id: id.to_string(),
+        modifications: None,
+    }
+}
+
 #[tokio::test]
 async fn turn_start_sends_originator_header() -> Result<()> {
     let responses = vec![create_final_assistant_message_sse_response("Done")?];
@@ -704,10 +711,7 @@ async fn turn_start_rejects_invalid_permission_selection_before_starting_turn()
                 text: "Hello".to_string(),
                 text_elements: Vec::new(),
             }],
-            permissions: Some(PermissionProfileSelectionParams::Profile {
-                id: ":danger-no-sandbox".to_string(),
-                modifications: None,
-            }),
+            permissions: Some(select_permission_profile(":danger-no-sandbox")),
             ..Default::default()
         })
         .await?;
@@ -1574,7 +1578,7 @@ async fn turn_start_exec_approval_toggle_v2() -> Result<()> {
                 text_elements: Vec::new(),
             }],
             approval_policy: Some(codex_app_server_protocol::AskForApproval::Never),
-            sandbox_policy: Some(codex_app_server_protocol::SandboxPolicy::DangerFullAccess),
+            permissions: Some(select_permission_profile(":danger-no-sandbox")),
             model: Some("mock-model".to_string()),
             effort: Some(ReasoningEffort::Medium),
             summary: Some(ReasoningSummary::Auto),
@@ -1742,7 +1746,7 @@ async fn turn_start_exec_approval_decline_v2() -> Result<()> {
 }
 
 #[tokio::test]
-async fn turn_start_updates_sandbox_and_cwd_between_turns_v2() -> Result<()> {
+async fn turn_start_updates_permissions_and_cwd_between_turns_v2() -> Result<()> {
     skip_if_no_network!(Ok(()));
 
     let tmp = TempDir::new()?;
@@ -1796,7 +1800,7 @@ async fn turn_start_updates_sandbox_and_cwd_between_turns_v2() -> Result<()> {
     .await??;
     let ThreadStartResponse { thread, .. } = to_response::<ThreadStartResponse>(start_resp)?;
 
-    // first turn with workspace-write sandbox and first_cwd
+    // First turn uses the named workspace profile and first_cwd.
     let first_turn = mcp
         .send_turn_start_request(TurnStartParams {
             environments: None,
@@ -1809,13 +1813,8 @@ async fn turn_start_updates_sandbox_and_cwd_between_turns_v2() -> Result<()> {
             cwd: Some(first_cwd.clone()),
             approval_policy: Some(codex_app_server_protocol::AskForApproval::Never),
             approvals_reviewer: None,
-            sandbox_policy: Some(codex_app_server_protocol::SandboxPolicy::WorkspaceWrite {
-                writable_roots: vec![first_cwd.try_into()?],
-                network_access: false,
-                exclude_tmpdir_env_var: false,
-                exclude_slash_tmp: false,
-            }),
-            permissions: None,
+            sandbox_policy: None,
+            permissions: Some(select_permission_profile(":workspace")),
             model: Some("mock-model".to_string()),
             effort: Some(ReasoningEffort::Medium),
             summary: Some(ReasoningSummary::Auto),
@@ -1837,7 +1836,7 @@ async fn turn_start_updates_sandbox_and_cwd_between_turns_v2() -> Result<()> {
     .await??;
     mcp.clear_message_buffer();
 
-    // second turn with workspace-write and second_cwd, ensure exec begins in second_cwd
+    // Second turn switches profiles and cwd; ensure exec begins in second_cwd.
     let second_turn = mcp
         .send_turn_start_request(TurnStartParams {
             environments: None,
@@ -1850,8 +1849,8 @@ async fn turn_start_updates_sandbox_and_cwd_between_turns_v2() -> Result<()> {
             cwd: Some(second_cwd.clone()),
             approval_policy: Some(codex_app_server_protocol::AskForApproval::Never),
             approvals_reviewer: None,
-            sandbox_policy: Some(codex_app_server_protocol::SandboxPolicy::DangerFullAccess),
-            permissions: None,
+            sandbox_policy: None,
+            permissions: Some(select_permission_profile(":danger-no-sandbox")),
             model: Some("mock-model".to_string()),
             effort: Some(ReasoningEffort::Medium),
             summary: Some(ReasoningSummary::Auto),
@@ -3275,7 +3274,7 @@ async fn command_execution_notifications_include_process_id() -> Result<()> {
                 text: "run a command".to_string(),
                 text_elements: Vec::new(),
             }],
-            sandbox_policy: Some(codex_app_server_protocol::SandboxPolicy::DangerFullAccess),
+            permissions: Some(select_permission_profile(":danger-no-sandbox")),
             ..Default::default()
         })
         .await?;
@@ -3405,7 +3404,7 @@ async fn turn_start_with_elevated_override_does_not_persist_project_trust() -> R
         .send_turn_start_request(TurnStartParams {
             thread_id: thread.id,
             cwd: Some(workspace.path().to_path_buf()),
-            sandbox_policy: Some(codex_app_server_protocol::SandboxPolicy::DangerFullAccess),
+            permissions: Some(select_permission_profile(":danger-no-sandbox")),
             input: vec![V2UserInput::Text {
                 text: "Hello".to_string(),
                 text_elements: Vec::new(),

codex-rs/app-server/tests/suite/v2/turn_start_zsh_fork.rs

@@ -20,6 +20,7 @@ use codex_app_server_protocol::CommandExecutionStatus;
 use codex_app_server_protocol::ItemCompletedNotification;
 use codex_app_server_protocol::ItemStartedNotification;
 use codex_app_server_protocol::JSONRPCResponse;
+use codex_app_server_protocol::PermissionProfileSelectionParams;
 use codex_app_server_protocol::RequestId;
 use codex_app_server_protocol::ServerRequest;
 use codex_app_server_protocol::ThreadItem;
@@ -45,6 +46,13 @@ const DEFAULT_READ_TIMEOUT: std::time::Duration = std::time::Duration::from_secs
 #[cfg(not(windows))]
 const DEFAULT_READ_TIMEOUT: std::time::Duration = std::time::Duration::from_secs(10);
 
+fn select_permission_profile(id: &str) -> PermissionProfileSelectionParams {
+    PermissionProfileSelectionParams::Profile {
+        id: id.to_string(),
+        modifications: None,
+    }
+}
+
 #[tokio::test]
 async fn turn_start_shell_zsh_fork_executes_command_v2() -> Result<()> {
     skip_if_no_network!(Ok(()));
@@ -123,7 +131,7 @@ async fn turn_start_shell_zsh_fork_executes_command_v2() -> Result<()> {
             }],
             cwd: Some(workspace.clone()),
             approval_policy: Some(codex_app_server_protocol::AskForApproval::Never),
-            sandbox_policy: Some(codex_app_server_protocol::SandboxPolicy::DangerFullAccess),
+            permissions: Some(select_permission_profile(":danger-no-sandbox")),
             model: Some("mock-model".to_string()),
             effort: Some(codex_protocol::openai_models::ReasoningEffort::Medium),
             summary: Some(codex_protocol::config_types::ReasoningSummary::Auto),
@@ -534,12 +542,7 @@ async fn turn_start_shell_zsh_fork_subcommand_decline_marks_parent_declined_v2()
             }],
             cwd: Some(workspace.clone()),
             approval_policy: Some(codex_app_server_protocol::AskForApproval::UnlessTrusted),
-            sandbox_policy: Some(codex_app_server_protocol::SandboxPolicy::WorkspaceWrite {
-                writable_roots: vec![workspace.clone().try_into()?],
-                network_access: false,
-                exclude_tmpdir_env_var: false,
-                exclude_slash_tmp: false,
-            }),
+            permissions: Some(select_permission_profile(":workspace")),
             model: Some("mock-model".to_string()),
             effort: Some(codex_protocol::openai_models::ReasoningEffort::Medium),
             summary: Some(codex_protocol::config_types::ReasoningSummary::Auto),

codex-rs/core/src/agent/role_tests.rs

@@ -512,7 +512,8 @@ model_reasoning_effort = "high"
 #[tokio::test]
 #[cfg(not(windows))]
 async fn apply_role_does_not_materialize_default_sandbox_workspace_write_fields() {
-    use codex_protocol::protocol::SandboxPolicy;
+    use codex_protocol::permissions::NetworkSandboxPolicy;
+
     let (home, mut config) = test_config_with_cli_overrides(vec![
         (
             "sandbox_mode".to_string(),
@@ -574,12 +575,13 @@ writable_roots = ["./sandbox-root"]
         false
     );
 
-    match &config.legacy_sandbox_policy() {
-        SandboxPolicy::WorkspaceWrite { network_access, .. } => {
-            assert_eq!(*network_access, true);
-        }
-        other => panic!("expected workspace-write sandbox policy, got {other:?}"),
-    }
+    assert_eq!(
+        config
+            .permissions
+            .permission_profile()
+            .network_sandbox_policy(),
+        NetworkSandboxPolicy::Enabled,
+    );
 }
 
 #[tokio::test]

codex-rs/core/src/config/config_loader_tests.rs

@@ -29,7 +29,6 @@ use codex_protocol::config_types::TrustLevel;
 use codex_protocol::config_types::WebSearchMode;
 use codex_protocol::models::PermissionProfile;
 use codex_protocol::protocol::AskForApproval;
-use codex_protocol::protocol::SandboxPolicy;
 use codex_utils_absolute_path::AbsolutePathBuf;
 use pretty_assertions::assert_eq;
 use std::collections::BTreeMap;
@@ -38,6 +37,13 @@ use std::path::Path;
 use tempfile::tempdir;
 use toml::Value as TomlValue;
 
+#[cfg(target_os = "macos")]
+use codex_protocol::models::ManagedFileSystemPermissions;
+#[cfg(target_os = "macos")]
+use codex_protocol::permissions::FileSystemAccessMode;
+#[cfg(target_os = "macos")]
+use codex_protocol::permissions::FileSystemPath;
+
 fn config_error_from_io(err: &std::io::Error) -> &ConfigError {
     err.get_ref()
         .and_then(|err| err.downcast_ref::<ConfigLoadError>())
@@ -526,17 +532,25 @@ writable_roots = ["~/code"]
         .await?;
 
     let expected_root = AbsolutePathBuf::from_absolute_path(home.join("code"))?;
-    match &config.legacy_sandbox_policy() {
-        SandboxPolicy::WorkspaceWrite { writable_roots, .. } => {
-            assert_eq!(
-                writable_roots
-                    .iter()
-                    .filter(|root| **root == expected_root)
-                    .count(),
-                1,
-            );
-        }
-        other => panic!("expected workspace-write policy, got {other:?}"),
+    match config.permissions.permission_profile() {
+        PermissionProfile::Managed {
+            file_system:
+                ManagedFileSystemPermissions::Restricted {
+                    entries,
+                    glob_scan_max_depth: _,
+                },
+            network: _,
+        } => assert_eq!(
+            entries
+                .iter()
+                .filter(|entry| {
+                    entry.access == FileSystemAccessMode::Write
+                        && matches!(&entry.path, FileSystemPath::Path { path } if path == &expected_root)
+                })
+                .count(),
+            1,
+        ),
+        other => panic!("expected workspace-write profile, got {other:?}"),
     }
 
     Ok(())
@@ -591,14 +605,7 @@ allowed_sandbox_modes = ["read-only"]
         state
             .requirements()
             .permission_profile
-            .can_set(&PermissionProfile::from_legacy_sandbox_policy(
-                &SandboxPolicy::WorkspaceWrite {
-                    writable_roots: Vec::new(),
-                    network_access: false,
-                    exclude_tmpdir_env_var: false,
-                    exclude_slash_tmp: false,
-                },
-            ))
+            .can_set(&PermissionProfile::workspace_write())
             .is_err()
     );
 
@@ -904,11 +911,9 @@ allowed_sandbox_modes = ["read-only"]
     let config_requirements: ConfigRequirements = config_requirements_toml.try_into()?;
 
     assert_eq!(
-        config_requirements.permission_profile.can_set(
-            &PermissionProfile::from_legacy_sandbox_policy(
-                &SandboxPolicy::new_workspace_write_policy()
-            )
-        ),
+        config_requirements
+            .permission_profile
+            .can_set(&PermissionProfile::workspace_write()),
         Err(ConstraintError::InvalidValue {
             field_name: "sandbox_mode",
             candidate: "WorkspaceWrite".into(),
@@ -1233,9 +1238,7 @@ async fn load_config_layers_applies_matching_remote_sandbox_config() -> anyhow::
         layers
             .requirements()
             .permission_profile
-            .can_set(&PermissionProfile::from_legacy_sandbox_policy(
-                &SandboxPolicy::new_workspace_write_policy()
-            ))
+            .can_set(&PermissionProfile::workspace_write())
             .is_ok()
     );
 

codex-rs/core/src/config/config_tests.rs

@@ -3082,8 +3082,7 @@ fn web_search_mode_disabled_overrides_legacy_request() {
 #[test]
 fn web_search_mode_for_turn_uses_preference_for_read_only() {
     let web_search_mode = Constrained::allow_any(WebSearchMode::Cached);
-    let permission_profile =
-        PermissionProfile::from_legacy_sandbox_policy(&SandboxPolicy::new_read_only_policy());
+    let permission_profile = PermissionProfile::read_only();
     let mode = resolve_web_search_mode_for_turn(&web_search_mode, &permission_profile);
 
     assert_eq!(mode, WebSearchMode::Cached);
@@ -7246,29 +7245,26 @@ async fn derive_sandbox_policy_preserves_windows_downgrade_for_unsupported_fallb
     let active_project = ProjectConfig {
         trust_level: Some(TrustLevel::Trusted),
     };
-    let constrained = Constrained::new(
-        PermissionProfile::from_legacy_sandbox_policy(&SandboxPolicy::new_workspace_write_policy()),
-        |candidate| {
-            if matches!(
-                candidate,
-                PermissionProfile::Managed {
-                    file_system: ManagedFileSystemPermissions::Restricted { entries, .. },
-                    ..
-                } if entries
-                        .iter()
-                        .any(|entry| entry.access.can_write())
-            ) {
-                Ok(())
-            } else {
-                Err(ConstraintError::InvalidValue {
-                    field_name: "sandbox_mode",
-                    candidate: format!("{candidate:?}"),
-                    allowed: "[WorkspaceWrite]".to_string(),
-                    requirement_source: RequirementSource::Unknown,
-                })
-            }
-        },
-    )?;
+    let constrained = Constrained::new(PermissionProfile::workspace_write(), |candidate| {
+        if matches!(
+            candidate,
+            PermissionProfile::Managed {
+                file_system: ManagedFileSystemPermissions::Restricted { entries, .. },
+                ..
+            } if entries
+                    .iter()
+                    .any(|entry| entry.access.can_write())
+        ) {
+            Ok(())
+        } else {
+            Err(ConstraintError::InvalidValue {
+                field_name: "sandbox_mode",
+                candidate: format!("{candidate:?}"),
+                allowed: "[WorkspaceWrite]".to_string(),
+                requirement_source: RequirementSource::Unknown,
+            })
+        }
+    })?;
 
     let resolution = derive_legacy_sandbox_policy_for_test(
         &cfg,

codex-rs/core/src/context_manager/history_tests.rs

@@ -13,13 +13,13 @@ use codex_protocol::models::ImageDetail;
 use codex_protocol::models::LocalShellAction;
 use codex_protocol::models::LocalShellExecAction;
 use codex_protocol::models::LocalShellStatus;
+use codex_protocol::models::PermissionProfile;
 use codex_protocol::models::ReasoningItemContent;
 use codex_protocol::models::ReasoningItemReasoningSummary;
 use codex_protocol::openai_models::InputModality;
 use codex_protocol::openai_models::default_input_modalities;
 use codex_protocol::protocol::AskForApproval;
 use codex_protocol::protocol::InterAgentCommunication;
-use codex_protocol::protocol::SandboxPolicy;
 use codex_protocol::protocol::TurnContextItem;
 use codex_utils_output_truncation::TruncationPolicy;
 use codex_utils_output_truncation::truncate_text;
@@ -119,15 +119,21 @@ fn developer_msg_with_fragments(texts: &[&str]) -> ResponseItem {
 }
 
 fn reference_context_item() -> TurnContextItem {
+    let cwd = PathBuf::from("/tmp/reference-cwd");
+    let permission_profile = PermissionProfile::read_only();
+    let sandbox_policy = permission_profile
+        .to_legacy_sandbox_policy(cwd.as_path())
+        .expect("read-only permission profile should have a legacy projection");
+
     TurnContextItem {
         turn_id: Some("reference-turn".to_string()),
         trace_id: None,
-        cwd: PathBuf::from("/tmp/reference-cwd"),
+        cwd,
         current_date: Some("2026-03-23".to_string()),
         timezone: Some("America/Los_Angeles".to_string()),
         approval_policy: AskForApproval::OnRequest,
-        sandbox_policy: SandboxPolicy::new_read_only_policy(),
-        permission_profile: None,
+        sandbox_policy,
+        permission_profile: Some(permission_profile),
         network: None,
         file_system_sandbox_policy: None,
         model: "gpt-test".to_string(),

codex-rs/core/src/exec_policy_tests.rs

@@ -23,7 +23,6 @@ use codex_protocol::permissions::FileSystemSpecialPath;
 use codex_protocol::permissions::NetworkSandboxPolicy;
 use codex_protocol::protocol::AskForApproval;
 use codex_protocol::protocol::GranularApprovalConfig;
-use codex_protocol::protocol::SandboxPolicy;
 use codex_utils_absolute_path::AbsolutePathBuf;
 use pretty_assertions::assert_eq;
 use std::fs;
@@ -126,10 +125,6 @@ fn external_file_system_sandbox_policy() -> FileSystemSandboxPolicy {
     FileSystemSandboxPolicy::external_sandbox()
 }
 
-fn permission_profile_from_sandbox_policy(sandbox_policy: &SandboxPolicy) -> PermissionProfile {
-    PermissionProfile::from_legacy_sandbox_policy(sandbox_policy)
-}
-
 async fn test_config() -> (TempDir, Config) {
     let home = TempDir::new().expect("create temp dir");
     let config = ConfigBuilder::without_managed_config_for_tests()
@@ -644,7 +639,7 @@ async fn evaluates_bash_lc_inner_commands() {
                 "rm -rf /some/important/folder".to_string(),
             ],
             approval_policy: AskForApproval::OnRequest,
-            sandbox_policy: SandboxPolicy::DangerFullAccess,
+            permission_profile: PermissionProfile::Disabled,
             file_system_sandbox_policy: unrestricted_file_system_sandbox_policy(),
             sandbox_permissions: SandboxPermissions::UseDefault,
             prefix_rule: None,
@@ -726,7 +721,7 @@ async fn evaluates_heredoc_script_against_prefix_rules() {
             policy_src: Some(r#"prefix_rule(pattern=["python3"], decision="allow")"#.to_string()),
             command,
             approval_policy: AskForApproval::OnRequest,
-            sandbox_policy: SandboxPolicy::new_read_only_policy(),
+            permission_profile: PermissionProfile::read_only(),
             file_system_sandbox_policy: read_only_file_system_sandbox_policy(),
             sandbox_permissions: SandboxPermissions::UseDefault,
             prefix_rule: None,
@@ -750,7 +745,7 @@ async fn omits_auto_amendment_for_heredoc_fallback_prompts() {
                 "python3 <<'PY'\nprint('hello')\nPY".to_string(),
             ],
             approval_policy: AskForApproval::UnlessTrusted,
-            sandbox_policy: SandboxPolicy::new_read_only_policy(),
+            permission_profile: PermissionProfile::read_only(),
             file_system_sandbox_policy: read_only_file_system_sandbox_policy(),
             sandbox_permissions: SandboxPermissions::UseDefault,
             prefix_rule: None,
@@ -774,7 +769,7 @@ async fn drops_requested_amendment_for_heredoc_fallback_prompts_when_it_wont_mat
                 "python3 <<'PY'\nprint('hello')\nPY".to_string(),
             ],
             approval_policy: AskForApproval::UnlessTrusted,
-            sandbox_policy: SandboxPolicy::new_read_only_policy(),
+            permission_profile: PermissionProfile::read_only(),
             file_system_sandbox_policy: read_only_file_system_sandbox_policy(),
             sandbox_permissions: SandboxPermissions::UseDefault,
             prefix_rule: Some(vec![
@@ -811,7 +806,7 @@ prefix_rule(
                 "/some/important/folder".to_string(),
             ],
             approval_policy: AskForApproval::OnRequest,
-            sandbox_policy: SandboxPolicy::DangerFullAccess,
+            permission_profile: PermissionProfile::Disabled,
             file_system_sandbox_policy: unrestricted_file_system_sandbox_policy(),
             sandbox_permissions: SandboxPermissions::UseDefault,
             prefix_rule: None,
@@ -830,7 +825,7 @@ async fn exec_approval_requirement_prefers_execpolicy_match() {
             policy_src: Some(r#"prefix_rule(pattern=["rm"], decision="prompt")"#.to_string()),
             command: vec!["rm".to_string()],
             approval_policy: AskForApproval::OnRequest,
-            sandbox_policy: SandboxPolicy::DangerFullAccess,
+            permission_profile: PermissionProfile::Disabled,
             file_system_sandbox_policy: unrestricted_file_system_sandbox_policy(),
             sandbox_permissions: SandboxPermissions::UseDefault,
             prefix_rule: None,
@@ -858,7 +853,7 @@ prefix_rule(pattern=["git"], decision="allow")
             policy_src: Some(policy_src),
             command: vec![git_path, "status".to_string()],
             approval_policy: AskForApproval::UnlessTrusted,
-            sandbox_policy: SandboxPolicy::new_read_only_policy(),
+            permission_profile: PermissionProfile::read_only(),
             file_system_sandbox_policy: read_only_file_system_sandbox_policy(),
             sandbox_permissions: SandboxPermissions::UseDefault,
             prefix_rule: None,
@@ -892,7 +887,7 @@ prefix_rule(pattern=["git"], decision="prompt")
             policy_src: Some(policy_src),
             command: vec![disallowed_git_path.clone(), "status".to_string()],
             approval_policy: AskForApproval::UnlessTrusted,
-            sandbox_policy: SandboxPolicy::new_read_only_policy(),
+            permission_profile: PermissionProfile::read_only(),
             file_system_sandbox_policy: read_only_file_system_sandbox_policy(),
             sandbox_permissions: SandboxPermissions::UseDefault,
             prefix_rule: None,
@@ -919,7 +914,7 @@ async fn requested_prefix_rule_can_approve_absolute_path_commands() {
                 "cargo-insta".to_string(),
             ],
             approval_policy: AskForApproval::UnlessTrusted,
-            sandbox_policy: SandboxPolicy::new_read_only_policy(),
+            permission_profile: PermissionProfile::read_only(),
             file_system_sandbox_policy: read_only_file_system_sandbox_policy(),
             sandbox_permissions: SandboxPermissions::UseDefault,
             prefix_rule: Some(vec!["cargo".to_string(), "install".to_string()]),
@@ -942,7 +937,7 @@ async fn exec_approval_requirement_respects_approval_policy() {
             policy_src: Some(r#"prefix_rule(pattern=["rm"], decision="prompt")"#.to_string()),
             command: vec!["rm".to_string()],
             approval_policy: AskForApproval::Never,
-            sandbox_policy: SandboxPolicy::DangerFullAccess,
+            permission_profile: PermissionProfile::Disabled,
             file_system_sandbox_policy: unrestricted_file_system_sandbox_policy(),
             sandbox_permissions: SandboxPermissions::UseDefault,
             prefix_rule: None,
@@ -968,7 +963,7 @@ fn unmatched_granular_policy_still_prompts_for_restricted_sandbox_escalation() {
                 request_permissions: true,
                 mcp_elicitations: true,
             }),
-            &permission_profile_from_sandbox_policy(&SandboxPolicy::new_read_only_policy()),
+            &PermissionProfile::read_only(),
             &read_only_file_system_sandbox_policy(),
             Path::new("/tmp"),
             &command,
@@ -1067,7 +1062,7 @@ async fn exec_approval_requirement_prompts_for_inline_additional_permissions_und
                 "touch requested-dir/requested-but-unused.txt".to_string(),
             ],
             approval_policy: AskForApproval::OnRequest,
-            sandbox_policy: SandboxPolicy::new_read_only_policy(),
+            permission_profile: PermissionProfile::read_only(),
             file_system_sandbox_policy: read_only_file_system_sandbox_policy(),
             sandbox_permissions: SandboxPermissions::WithAdditionalPermissions,
             prefix_rule: None,
@@ -1097,7 +1092,7 @@ async fn exec_approval_requirement_rejects_unmatched_sandbox_escalation_when_gra
                 request_permissions: true,
                 mcp_elicitations: true,
             }),
-            sandbox_policy: SandboxPolicy::new_read_only_policy(),
+            permission_profile: PermissionProfile::read_only(),
             file_system_sandbox_policy: read_only_file_system_sandbox_policy(),
             sandbox_permissions: SandboxPermissions::RequireEscalated,
             prefix_rule: None,
@@ -1133,9 +1128,7 @@ async fn mixed_rule_and_sandbox_prompt_prioritizes_rule_for_rejection_decision()
                 request_permissions: true,
                 mcp_elicitations: true,
             }),
-            permission_profile: permission_profile_from_sandbox_policy(
-                &SandboxPolicy::new_read_only_policy(),
-            ),
+            permission_profile: PermissionProfile::read_only(),
             file_system_sandbox_policy: &read_only_file_system_sandbox_policy(),
             sandbox_cwd: Path::new("/tmp"),
             sandbox_permissions: SandboxPermissions::RequireEscalated,
@@ -1173,9 +1166,7 @@ async fn mixed_rule_and_sandbox_prompt_rejects_when_granular_rules_are_disabled(
                 request_permissions: true,
                 mcp_elicitations: true,
             }),
-            permission_profile: permission_profile_from_sandbox_policy(
-                &SandboxPolicy::new_read_only_policy(),
-            ),
+            permission_profile: PermissionProfile::read_only(),
             file_system_sandbox_policy: &read_only_file_system_sandbox_policy(),
             sandbox_cwd: Path::new("/tmp"),
             sandbox_permissions: SandboxPermissions::RequireEscalated,
@@ -1200,9 +1191,7 @@ async fn exec_approval_requirement_falls_back_to_heuristics() {
         .create_exec_approval_requirement_for_command(ExecApprovalRequest {
             command: &command,
             approval_policy: AskForApproval::UnlessTrusted,
-            permission_profile: permission_profile_from_sandbox_policy(
-                &SandboxPolicy::new_read_only_policy(),
-            ),
+            permission_profile: PermissionProfile::read_only(),
             file_system_sandbox_policy: &read_only_file_system_sandbox_policy(),
             sandbox_cwd: Path::new("/tmp"),
             sandbox_permissions: SandboxPermissions::UseDefault,
@@ -1228,9 +1217,7 @@ async fn empty_bash_lc_script_falls_back_to_original_command() {
         .create_exec_approval_requirement_for_command(ExecApprovalRequest {
             command: &command,
             approval_policy: AskForApproval::UnlessTrusted,
-            permission_profile: permission_profile_from_sandbox_policy(
-                &SandboxPolicy::new_read_only_policy(),
-            ),
+            permission_profile: PermissionProfile::read_only(),
             file_system_sandbox_policy: &read_only_file_system_sandbox_policy(),
             sandbox_cwd: Path::new("/tmp"),
             sandbox_permissions: SandboxPermissions::UseDefault,
@@ -1260,9 +1247,7 @@ async fn whitespace_bash_lc_script_falls_back_to_original_command() {
         .create_exec_approval_requirement_for_command(ExecApprovalRequest {
             command: &command,
             approval_policy: AskForApproval::UnlessTrusted,
-            permission_profile: permission_profile_from_sandbox_policy(
-                &SandboxPolicy::new_read_only_policy(),
-            ),
+            permission_profile: PermissionProfile::read_only(),
             file_system_sandbox_policy: &read_only_file_system_sandbox_policy(),
             sandbox_cwd: Path::new("/tmp"),
             sandbox_permissions: SandboxPermissions::UseDefault,
@@ -1292,9 +1277,7 @@ async fn request_rule_uses_prefix_rule() {
         .create_exec_approval_requirement_for_command(ExecApprovalRequest {
             command: &command,
             approval_policy: AskForApproval::OnRequest,
-            permission_profile: permission_profile_from_sandbox_policy(
-                &SandboxPolicy::new_read_only_policy(),
-            ),
+            permission_profile: PermissionProfile::read_only(),
             file_system_sandbox_policy: &read_only_file_system_sandbox_policy(),
             sandbox_cwd: Path::new("/tmp"),
             sandbox_permissions: SandboxPermissions::RequireEscalated,
@@ -1443,7 +1426,7 @@ async fn proposed_execpolicy_amendment_is_present_for_single_command_without_pol
             policy_src: None,
             command: command.clone(),
             approval_policy: AskForApproval::UnlessTrusted,
-            sandbox_policy: SandboxPolicy::new_read_only_policy(),
+            permission_profile: PermissionProfile::read_only(),
             file_system_sandbox_policy: read_only_file_system_sandbox_policy(),
             sandbox_permissions: SandboxPermissions::UseDefault,
             prefix_rule: None,
@@ -1463,7 +1446,7 @@ async fn proposed_execpolicy_amendment_is_omitted_when_policy_prompts() {
             policy_src: Some(r#"prefix_rule(pattern=["rm"], decision="prompt")"#.to_string()),
             command: vec!["rm".to_string()],
             approval_policy: AskForApproval::OnRequest,
-            sandbox_policy: SandboxPolicy::DangerFullAccess,
+            permission_profile: PermissionProfile::Disabled,
             file_system_sandbox_policy: unrestricted_file_system_sandbox_policy(),
             sandbox_permissions: SandboxPermissions::UseDefault,
             prefix_rule: None,
@@ -1487,7 +1470,7 @@ async fn proposed_execpolicy_amendment_is_present_for_multi_command_scripts() {
                 "cargo build && echo ok".to_string(),
             ],
             approval_policy: AskForApproval::UnlessTrusted,
-            sandbox_policy: SandboxPolicy::new_read_only_policy(),
+            permission_profile: PermissionProfile::read_only(),
             file_system_sandbox_policy: read_only_file_system_sandbox_policy(),
             sandbox_permissions: SandboxPermissions::UseDefault,
             prefix_rule: None,
@@ -1517,7 +1500,7 @@ async fn proposed_execpolicy_amendment_uses_first_no_match_in_multi_command_scri
             policy_src: Some(policy_src.to_string()),
             command,
             approval_policy: AskForApproval::UnlessTrusted,
-            sandbox_policy: SandboxPolicy::new_read_only_policy(),
+            permission_profile: PermissionProfile::read_only(),
             file_system_sandbox_policy: read_only_file_system_sandbox_policy(),
             sandbox_permissions: SandboxPermissions::UseDefault,
             prefix_rule: None,
@@ -1541,7 +1524,7 @@ async fn proposed_execpolicy_amendment_is_present_when_heuristics_allow() {
             policy_src: None,
             command: command.clone(),
             approval_policy: AskForApproval::OnRequest,
-            sandbox_policy: SandboxPolicy::new_read_only_policy(),
+            permission_profile: PermissionProfile::read_only(),
             file_system_sandbox_policy: read_only_file_system_sandbox_policy(),
             sandbox_permissions: SandboxPermissions::UseDefault,
             prefix_rule: None,
@@ -1561,7 +1544,7 @@ async fn proposed_execpolicy_amendment_is_suppressed_when_policy_matches_allow()
             policy_src: Some(r#"prefix_rule(pattern=["echo"], decision="allow")"#.to_string()),
             command: vec!["echo".to_string(), "safe".to_string()],
             approval_policy: AskForApproval::OnRequest,
-            sandbox_policy: SandboxPolicy::new_read_only_policy(),
+            permission_profile: PermissionProfile::read_only(),
             file_system_sandbox_policy: read_only_file_system_sandbox_policy(),
             sandbox_permissions: SandboxPermissions::UseDefault,
             prefix_rule: None,
@@ -1592,7 +1575,7 @@ prefix_rule(pattern=["cat"], decision="allow")
                 policy_src: Some(policy_src.to_string()),
                 command: command.clone(),
                 approval_policy,
-                sandbox_policy: SandboxPolicy::new_workspace_write_policy(),
+                permission_profile: PermissionProfile::workspace_write(),
                 file_system_sandbox_policy: workspace_write_file_system_sandbox_policy(),
                 sandbox_permissions: SandboxPermissions::UseDefault,
                 prefix_rule: None,
@@ -1624,7 +1607,7 @@ prefix_rule(pattern=["bash"], decision="allow")
                     .to_string(),
             ],
             approval_policy: AskForApproval::OnRequest,
-            sandbox_policy: SandboxPolicy::new_read_only_policy(),
+            permission_profile: PermissionProfile::read_only(),
             file_system_sandbox_policy: read_only_file_system_sandbox_policy(),
             sandbox_permissions: SandboxPermissions::UseDefault,
             prefix_rule: None,
@@ -1790,7 +1773,7 @@ async fn dangerous_rm_rf_requires_approval_in_danger_full_access() {
             policy_src: None,
             command: command.clone(),
             approval_policy: AskForApproval::OnRequest,
-            sandbox_policy: SandboxPolicy::DangerFullAccess,
+            permission_profile: PermissionProfile::Disabled,
             file_system_sandbox_policy: unrestricted_file_system_sandbox_policy(),
             sandbox_permissions: SandboxPermissions::UseDefault,
             prefix_rule: None,
@@ -1831,7 +1814,7 @@ async fn verify_approval_requirement_for_unsafe_powershell_command() {
     ])));
     let (pwsh_approval_reason, expected_req) = if cfg!(windows) {
         (
-            r#"On Windows, SandboxPolicy::ReadOnly should be assumed to mean
+            r#"On Windows, a read-only permission profile should be assumed to mean
                 that no sandbox is present, so anything that is not "provably
                 safe" should require approval."#,
             ExecApprovalRequirement::NeedsApproval {
@@ -1854,9 +1837,7 @@ async fn verify_approval_requirement_for_unsafe_powershell_command() {
             .create_exec_approval_requirement_for_command(ExecApprovalRequest {
                 command: &sneaky_command,
                 approval_policy: AskForApproval::OnRequest,
-                permission_profile: permission_profile_from_sandbox_policy(
-                    &SandboxPolicy::new_read_only_policy(),
-                ),
+                permission_profile: PermissionProfile::read_only(),
                 file_system_sandbox_policy: &read_only_file_system_sandbox_policy(),
                 sandbox_cwd: Path::new("/tmp"),
                 sandbox_permissions: permissions,
@@ -1881,9 +1862,7 @@ async fn verify_approval_requirement_for_unsafe_powershell_command() {
             .create_exec_approval_requirement_for_command(ExecApprovalRequest {
                 command: &dangerous_command,
                 approval_policy: AskForApproval::OnRequest,
-                permission_profile: permission_profile_from_sandbox_policy(
-                    &SandboxPolicy::new_read_only_policy(),
-                ),
+                permission_profile: PermissionProfile::read_only(),
                 file_system_sandbox_policy: &read_only_file_system_sandbox_policy(),
                 sandbox_cwd: Path::new("/tmp"),
                 sandbox_permissions: permissions,
@@ -1904,9 +1883,7 @@ async fn verify_approval_requirement_for_unsafe_powershell_command() {
             .create_exec_approval_requirement_for_command(ExecApprovalRequest {
                 command: &dangerous_command,
                 approval_policy: AskForApproval::Never,
-                permission_profile: permission_profile_from_sandbox_policy(
-                    &SandboxPolicy::new_read_only_policy(),
-                ),
+                permission_profile: PermissionProfile::read_only(),
                 file_system_sandbox_policy: &read_only_file_system_sandbox_policy(),
                 sandbox_cwd: Path::new("/tmp"),
                 sandbox_permissions: permissions,
@@ -1926,8 +1903,8 @@ async fn dangerous_command_allowed_when_sandbox_is_explicitly_disabled() {
             policy_src: None,
             command,
             approval_policy: AskForApproval::Never,
-            sandbox_policy: SandboxPolicy::ExternalSandbox {
-                network_access: Default::default(),
+            permission_profile: PermissionProfile::External {
+                network: NetworkSandboxPolicy::Restricted,
             },
             file_system_sandbox_policy: external_file_system_sandbox_policy(),
             sandbox_permissions: SandboxPermissions::UseDefault,
@@ -1951,8 +1928,8 @@ async fn dangerous_command_forbidden_in_external_sandbox_when_policy_matches() {
             policy_src: Some("prefix_rule(pattern=['rm'], decision='prompt')".to_string()),
             command,
             approval_policy: AskForApproval::Never,
-            sandbox_policy: SandboxPolicy::ExternalSandbox {
-                network_access: Default::default(),
+            permission_profile: PermissionProfile::External {
+                network: NetworkSandboxPolicy::Restricted,
             },
             file_system_sandbox_policy: external_file_system_sandbox_policy(),
             sandbox_permissions: SandboxPermissions::UseDefault,
@@ -1970,7 +1947,7 @@ struct ExecApprovalRequirementScenario {
     policy_src: Option<String>,
     command: Vec<String>,
     approval_policy: AskForApproval,
-    sandbox_policy: SandboxPolicy,
+    permission_profile: PermissionProfile,
     file_system_sandbox_policy: FileSystemSandboxPolicy,
     sandbox_permissions: SandboxPermissions,
     prefix_rule: Option<Vec<String>>,
@@ -1984,7 +1961,7 @@ async fn assert_exec_approval_requirement_for_command(
         policy_src,
         command,
         approval_policy,
-        sandbox_policy,
+        permission_profile,
         file_system_sandbox_policy,
         sandbox_permissions,
         prefix_rule,
@@ -2001,7 +1978,6 @@ async fn assert_exec_approval_requirement_for_command(
         None => Arc::new(Policy::empty()),
     };
 
-    let permission_profile = permission_profile_from_sandbox_policy(&sandbox_policy);
     let requirement = ExecPolicyManager::new(policy)
         .create_exec_approval_requirement_for_command(ExecApprovalRequest {
             command: &command,

codex-rs/core/src/exec_tests.rs

@@ -347,8 +347,7 @@ async fn process_exec_tool_call_preserves_full_buffer_capture_policy() -> Result
     ];
 
     let cwd = codex_utils_absolute_path::AbsolutePathBuf::current_dir()?;
-    let sandbox_policy = SandboxPolicy::DangerFullAccess;
-    let permission_profile = PermissionProfile::from_legacy_sandbox_policy(&sandbox_policy);
+    let permission_profile = PermissionProfile::Disabled;
     let output = process_exec_tool_call(
         ExecParams {
             command,

codex-rs/core/src/guardian/review_session.rs

@@ -18,7 +18,6 @@ use codex_protocol::protocol::EventMsg;
 use codex_protocol::protocol::InitialHistory;
 use codex_protocol::protocol::Op;
 use codex_protocol::protocol::RolloutItem;
-use codex_protocol::protocol::SandboxPolicy;
 use codex_protocol::protocol::SubAgentSource;
 use codex_protocol::protocol::TokenUsage;
 use serde_json::Value;
@@ -703,6 +702,19 @@ async fn run_review_on_session(
         .await
         .unwrap_or_default();
 
+    let permission_profile = PermissionProfile::read_only();
+    let sandbox_policy =
+        match permission_profile.to_legacy_sandbox_policy(params.parent_turn.cwd.as_path()) {
+            Ok(sandbox_policy) => sandbox_policy,
+            Err(err) => {
+                return (
+                    GuardianReviewSessionOutcome::SessionFailed(err.into()),
+                    false,
+                    analytics_result,
+                );
+            }
+        };
+
     let submit_result = run_before_review_deadline(
         deadline,
         params.external_cancel.as_ref(),
@@ -712,8 +724,8 @@ async fn run_review_on_session(
             cwd: params.parent_turn.cwd.to_path_buf(),
             approval_policy: AskForApproval::Never,
             approvals_reviewer: None,
-            sandbox_policy: SandboxPolicy::new_read_only_policy(),
-            permission_profile: None,
+            sandbox_policy,
+            permission_profile: Some(permission_profile),
             model: params.model.clone(),
             effort: params.reasoning_effort,
             summary: Some(params.reasoning_summary),
@@ -896,15 +908,14 @@ pub(crate) fn build_guardian_review_session_config(
     );
     guardian_config.developer_instructions = None;
     guardian_config.permissions.approval_policy = Constrained::allow_only(AskForApproval::Never);
-    let sandbox_policy = SandboxPolicy::new_read_only_policy();
-    guardian_config.permissions.permission_profile = Constrained::allow_only(
-        PermissionProfile::from_legacy_sandbox_policy(&sandbox_policy),
-    );
+    let permission_profile = PermissionProfile::read_only();
+    guardian_config.permissions.permission_profile =
+        Constrained::allow_only(permission_profile.clone());
     guardian_config
         .permissions
-        .set_legacy_sandbox_policy(sandbox_policy, guardian_config.cwd.as_path())
+        .set_permission_profile(permission_profile)
         .map_err(|err| {
-            anyhow::anyhow!("guardian review session could not set sandbox policy: {err}")
+            anyhow::anyhow!("guardian review session could not set permission profile: {err}")
         })?;
     guardian_config.include_apps_instructions = false;
     guardian_config

codex-rs/core/src/guardian/tests.rs

@@ -38,7 +38,6 @@ use codex_protocol::protocol::GuardianRiskLevel;
 use codex_protocol::protocol::GuardianUserAuthorization;
 use codex_protocol::protocol::ReviewDecision;
 use codex_protocol::protocol::RolloutItem;
-use codex_protocol::protocol::SandboxPolicy;
 use codex_protocol::protocol::TurnCompleteEvent;
 use core_test_support::PathBufExt;
 use core_test_support::TempDirExt;
@@ -2168,9 +2167,7 @@ async fn guardian_review_session_config_preserves_parent_network_proxy() {
     );
     assert_eq!(
         guardian_config.permissions.permission_profile,
-        Constrained::allow_only(PermissionProfile::from_legacy_sandbox_policy(
-            &SandboxPolicy::new_read_only_policy(),
-        ))
+        Constrained::allow_only(PermissionProfile::read_only())
     );
 }
 
@@ -2232,9 +2229,7 @@ async fn guardian_review_session_config_uses_live_network_proxy_state() {
             NetworkProxySpec::from_config_and_constraints(
                 live_network,
                 /*requirements*/ None,
-                &PermissionProfile::from_legacy_sandbox_policy(
-                    &SandboxPolicy::new_read_only_policy(),
-                ),
+                &PermissionProfile::read_only(),
             )
             .expect("live network proxy spec")
         )

codex-rs/core/src/realtime_context_tests.rs

@@ -13,10 +13,10 @@ use chrono::Utc;
 use codex_git_utils::GitSha;
 use codex_protocol::ThreadId;
 use codex_protocol::models::ContentItem;
+use codex_protocol::models::PermissionProfile;
 use codex_protocol::models::ResponseItem;
 use codex_protocol::protocol::AskForApproval;
 use codex_protocol::protocol::GitInfo;
-use codex_protocol::protocol::SandboxPolicy;
 use codex_protocol::protocol::SessionSource;
 use codex_thread_store::StoredThread;
 use core_test_support::PathBufExt;
@@ -28,6 +28,8 @@ use std::process::Command;
 use tempfile::TempDir;
 
 fn stored_thread(cwd: &str, title: &str, first_user_message: &str) -> StoredThread {
+    let permission_profile = PermissionProfile::read_only();
+
     StoredThread {
         thread_id: ThreadId::new(),
         rollout_path: Some(PathBuf::from("/tmp/rollout.jsonl")),
@@ -58,7 +60,9 @@ fn stored_thread(cwd: &str, title: &str, first_user_message: &str) -> StoredThre
             repository_url: None,
         }),
         approval_mode: AskForApproval::Never,
-        sandbox_policy: SandboxPolicy::new_read_only_policy(),
+        sandbox_policy: permission_profile
+            .to_legacy_sandbox_policy(std::path::Path::new(cwd))
+            .expect("read-only permission profile should have a legacy projection"),
         token_usage: None,
         first_user_message: Some(first_user_message.to_string()),
         history: None,

codex-rs/core/src/session/tests.rs

@@ -160,10 +160,6 @@ use std::time::Duration as StdDuration;
 
 mod guardian_tests;
 
-fn permission_profile_for_sandbox_policy(sandbox_policy: &SandboxPolicy) -> PermissionProfile {
-    PermissionProfile::from_legacy_sandbox_policy(sandbox_policy)
-}
-
 struct InstructionsTestCase {
     slug: &'static str,
     expects_apply_patch_description: bool,
@@ -613,10 +609,11 @@ fn validated_network_policy_amendment_host_rejects_mismatch() {
 
 #[tokio::test]
 async fn start_managed_network_proxy_applies_execpolicy_network_rules() -> anyhow::Result<()> {
+    let permission_profile = PermissionProfile::workspace_write();
     let spec = crate::config::NetworkProxySpec::from_config_and_constraints(
         NetworkProxyConfig::default(),
         /*requirements*/ None,
-        &permission_profile_for_sandbox_policy(&SandboxPolicy::new_workspace_write_policy()),
+        &permission_profile,
     )?;
     let mut exec_policy = Policy::empty();
     exec_policy.add_network_rule(
@@ -629,7 +626,7 @@ async fn start_managed_network_proxy_applies_execpolicy_network_rules() -> anyho
     let (started_proxy, _) = Session::start_managed_network_proxy(
         &spec,
         &exec_policy,
-        &permission_profile_for_sandbox_policy(&SandboxPolicy::new_workspace_write_policy()),
+        &permission_profile,
         /*network_policy_decider*/ None,
         /*blocked_request_observer*/ None,
         /*managed_network_requirements_enabled*/ false,
@@ -648,6 +645,7 @@ async fn start_managed_network_proxy_applies_execpolicy_network_rules() -> anyho
 #[tokio::test]
 async fn start_managed_network_proxy_ignores_invalid_execpolicy_network_rules() -> anyhow::Result<()>
 {
+    let permission_profile = PermissionProfile::workspace_write();
     let spec = crate::config::NetworkProxySpec::from_config_and_constraints(
         NetworkProxyConfig::default(),
         Some(NetworkConstraints {
@@ -660,7 +658,7 @@ async fn start_managed_network_proxy_ignores_invalid_execpolicy_network_rules()
             managed_allowed_domains_only: Some(true),
             ..Default::default()
         }),
-        &permission_profile_for_sandbox_policy(&SandboxPolicy::new_workspace_write_policy()),
+        &permission_profile,
     )?;
     let mut exec_policy = Policy::empty();
     exec_policy.add_network_rule(
@@ -673,7 +671,7 @@ async fn start_managed_network_proxy_ignores_invalid_execpolicy_network_rules()
     let (started_proxy, _) = Session::start_managed_network_proxy(
         &spec,
         &exec_policy,
-        &permission_profile_for_sandbox_policy(&SandboxPolicy::new_workspace_write_policy()),
+        &permission_profile,
         /*network_policy_decider*/ None,
         /*blocked_request_observer*/ None,
         /*managed_network_requirements_enabled*/ false,
@@ -691,13 +689,15 @@ async fn start_managed_network_proxy_ignores_invalid_execpolicy_network_rules()
 
 #[tokio::test]
 async fn managed_network_proxy_decider_survives_full_access_start() -> anyhow::Result<()> {
+    let disabled_permission_profile = PermissionProfile::Disabled;
+    let workspace_permission_profile = PermissionProfile::workspace_write();
     let spec = crate::config::NetworkProxySpec::from_config_and_constraints(
         NetworkProxyConfig::default(),
         Some(NetworkConstraints {
             enabled: Some(true),
             ..Default::default()
         }),
-        &permission_profile_for_sandbox_policy(&SandboxPolicy::DangerFullAccess),
+        &disabled_permission_profile,
     )?;
     let exec_policy = Policy::empty();
     let decider_calls = Arc::new(std::sync::atomic::AtomicUsize::new(0));
@@ -712,7 +712,7 @@ async fn managed_network_proxy_decider_survives_full_access_start() -> anyhow::R
     let (started_proxy, _) = Session::start_managed_network_proxy(
         &spec,
         &exec_policy,
-        &permission_profile_for_sandbox_policy(&SandboxPolicy::DangerFullAccess),
+        &disabled_permission_profile,
         Some(network_policy_decider),
         /*blocked_request_observer*/ None,
         /*managed_network_requirements_enabled*/ true,
@@ -720,9 +720,7 @@ async fn managed_network_proxy_decider_survives_full_access_start() -> anyhow::R
     )
     .await?;
 
-    let spec = spec.recompute_for_permission_profile(&permission_profile_for_sandbox_policy(
-        &SandboxPolicy::new_workspace_write_policy(),
-    ))?;
+    let spec = spec.recompute_for_permission_profile(&workspace_permission_profile)?;
     spec.apply_to_started_proxy(&started_proxy).await?;
     let current_cfg = started_proxy.proxy().current_cfg().await?;
     assert_eq!(current_cfg.network.allowed_domains(), None);
@@ -762,6 +760,7 @@ async fn managed_network_proxy_decider_survives_full_access_start() -> anyhow::R
 async fn new_turn_refreshes_managed_network_proxy_for_sandbox_change() -> anyhow::Result<()> {
     let (mut session, _turn_context) = make_session_and_context().await;
     let initial_policy = SandboxPolicy::new_workspace_write_policy();
+    let initial_permission_profile = PermissionProfile::workspace_write();
 
     let mut network_config = NetworkProxyConfig::default();
     network_config
@@ -779,12 +778,12 @@ async fn new_turn_refreshes_managed_network_proxy_for_sandbox_change() -> anyhow
     let spec = crate::config::NetworkProxySpec::from_config_and_constraints(
         network_config,
         Some(requirements),
-        &permission_profile_for_sandbox_policy(&initial_policy),
+        &initial_permission_profile,
     )?;
     let (started_proxy, _) = Session::start_managed_network_proxy(
         &spec,
         &Policy::empty(),
-        &permission_profile_for_sandbox_policy(&initial_policy),
+        &initial_permission_profile,
         /*network_policy_decider*/ None,
         /*blocked_request_observer*/ None,
         /*managed_network_requirements_enabled*/ false,
@@ -814,9 +813,7 @@ async fn new_turn_refreshes_managed_network_proxy_for_sandbox_change() -> anyhow
         state
             .session_configuration
             .permission_profile
-            .set(PermissionProfile::from_legacy_sandbox_policy(
-                &initial_policy,
-            ))
+            .set(initial_permission_profile)
             .expect("test setup should allow permission profile");
     }
     session.services.network_proxy = Some(started_proxy);
@@ -857,7 +854,7 @@ async fn danger_full_access_turns_do_not_expose_managed_network_proxy() -> anyho
             enabled: Some(true),
             ..Default::default()
         }),
-        &permission_profile_for_sandbox_policy(&SandboxPolicy::DangerFullAccess),
+        &PermissionProfile::Disabled,
     )?;
 
     let session = make_session_with_config(move |config| {
@@ -923,7 +920,7 @@ async fn danger_full_access_tool_attempts_do_not_enforce_managed_network() -> an
             enabled: Some(true),
             ..Default::default()
         }),
-        &permission_profile_for_sandbox_policy(&SandboxPolicy::DangerFullAccess),
+        &PermissionProfile::Disabled,
     )?;
 
     let session = make_session_with_config(move |config| {
@@ -998,7 +995,7 @@ async fn workspace_write_turns_continue_to_expose_managed_network_proxy() -> any
             enabled: Some(true),
             ..Default::default()
         }),
-        &permission_profile_for_sandbox_policy(&sandbox_policy),
+        &PermissionProfile::workspace_write(),
     )?;
 
     let session = make_session_with_config(move |config| {
@@ -1025,7 +1022,7 @@ async fn user_shell_commands_do_not_inherit_managed_network_proxy() -> anyhow::R
             enabled: Some(true),
             ..Default::default()
         }),
-        &permission_profile_for_sandbox_policy(&sandbox_policy),
+        &PermissionProfile::workspace_write(),
     )?;
 
     let (session, rx) = make_session_with_config_and_rx(move |config| {

codex-rs/core/src/tools/handlers/multi_agents_tests.rs

@@ -25,10 +25,10 @@ use codex_protocol::config_types::ShellEnvironmentPolicy;
 use codex_protocol::models::BaseInstructions;
 use codex_protocol::models::ContentItem;
 use codex_protocol::models::FunctionCallOutputBody;
+use codex_protocol::models::ManagedFileSystemPermissions;
 use codex_protocol::models::PermissionProfile;
 use codex_protocol::models::ResponseInputItem;
 use codex_protocol::models::ResponseItem;
-use codex_protocol::models::SandboxEnforcement;
 use codex_protocol::openai_models::ReasoningEffort;
 use codex_protocol::protocol::AgentStatus;
 use codex_protocol::protocol::AskForApproval;
@@ -36,13 +36,10 @@ use codex_protocol::protocol::EventMsg;
 use codex_protocol::protocol::FileSystemAccessMode;
 use codex_protocol::protocol::FileSystemPath;
 use codex_protocol::protocol::FileSystemSandboxEntry;
-use codex_protocol::protocol::FileSystemSandboxPolicy;
 use codex_protocol::protocol::InitialHistory;
 use codex_protocol::protocol::InterAgentCommunication;
-use codex_protocol::protocol::NetworkSandboxPolicy;
 use codex_protocol::protocol::Op;
 use codex_protocol::protocol::RolloutItem;
-use codex_protocol::protocol::SandboxPolicy;
 use codex_protocol::protocol::SessionSource;
 use codex_protocol::protocol::SubAgentSource;
 use codex_protocol::protocol::TurnAbortReason;
@@ -1787,22 +1784,22 @@ async fn spawn_agent_reapplies_runtime_sandbox_after_role_config() {
     let manager = thread_manager();
     session.services.agent_control = manager.agent_control();
     let expected_sandbox = turn.config.legacy_sandbox_policy();
-    let mut expected_file_system_sandbox_policy =
-        FileSystemSandboxPolicy::from_legacy_sandbox_policy_for_cwd(&expected_sandbox, &turn.cwd);
-    expected_file_system_sandbox_policy
-        .entries
-        .push(FileSystemSandboxEntry {
-            path: FileSystemPath::GlobPattern {
-                pattern: "**/.env".to_string(),
-            },
-            access: FileSystemAccessMode::None,
-        });
-    let expected_network_sandbox_policy = NetworkSandboxPolicy::from(&expected_sandbox);
-    let expected_permission_profile = PermissionProfile::from_runtime_permissions_with_enforcement(
-        SandboxEnforcement::from_legacy_sandbox_policy(&expected_sandbox),
-        &expected_file_system_sandbox_policy,
-        expected_network_sandbox_policy,
-    );
+    let mut expected_permission_profile = turn.config.permissions.permission_profile();
+    let PermissionProfile::Managed { file_system, .. } = &mut expected_permission_profile else {
+        panic!("test fixture should use managed permissions");
+    };
+    let ManagedFileSystemPermissions::Restricted { entries, .. } = file_system else {
+        panic!("test fixture should use restricted filesystem permissions");
+    };
+    entries.push(FileSystemSandboxEntry {
+        path: FileSystemPath::GlobPattern {
+            pattern: "**/.env".to_string(),
+        },
+        access: FileSystemAccessMode::None,
+    });
+    let expected_file_system_sandbox_policy =
+        expected_permission_profile.file_system_sandbox_policy();
+    let expected_network_sandbox_policy = expected_permission_profile.network_sandbox_policy();
     turn.approval_policy
         .set(AskForApproval::OnRequest)
         .expect("approval policy should be set");
@@ -3434,34 +3431,24 @@ async fn tool_handlers_cascade_close_and_resume_and_keep_explicitly_closed_subtr
 
 #[tokio::test]
 async fn build_agent_spawn_config_uses_turn_context_values() {
-    fn pick_allowed_sandbox_policy(
+    fn pick_allowed_permission_profile(
         constraint: &crate::config::Constrained<PermissionProfile>,
-        base: SandboxPolicy,
-        cwd: &std::path::Path,
-    ) -> SandboxPolicy {
+        base: &PermissionProfile,
+    ) -> PermissionProfile {
         let candidates = [
-            SandboxPolicy::new_read_only_policy(),
-            SandboxPolicy::new_workspace_write_policy(),
-            SandboxPolicy::DangerFullAccess,
+            PermissionProfile::read_only(),
+            PermissionProfile::workspace_write(),
+            PermissionProfile::Disabled,
         ];
         candidates
             .into_iter()
             .find(|candidate| {
-                if *candidate == base {
+                if candidate == base {
                     return false;
                 }
-                let file_system_sandbox_policy =
-                    FileSystemSandboxPolicy::from_legacy_sandbox_policy_for_cwd(candidate, cwd);
-                let network_sandbox_policy = NetworkSandboxPolicy::from(candidate);
-                let permission_profile =
-                    PermissionProfile::from_runtime_permissions_with_enforcement(
-                        SandboxEnforcement::from_legacy_sandbox_policy(candidate),
-                        &file_system_sandbox_policy,
-                        network_sandbox_policy,
-                    );
-                constraint.can_set(&permission_profile).is_ok()
+                constraint.can_set(candidate).is_ok()
             })
-            .unwrap_or(base)
+            .unwrap_or_else(|| base.clone())
     }
 
     let (_session, mut turn) = make_session_and_context().await;
@@ -3477,18 +3464,9 @@ async fn build_agent_spawn_config_uses_turn_context_values() {
     let temp_dir = tempfile::tempdir().expect("temp dir");
     turn.cwd = temp_dir.abs();
     turn.codex_linux_sandbox_exe = Some(PathBuf::from("/bin/echo"));
-    let sandbox_policy = pick_allowed_sandbox_policy(
+    let permission_profile = pick_allowed_permission_profile(
         &turn.config.permissions.permission_profile,
-        turn.config.legacy_sandbox_policy(),
-        turn.cwd.as_path(),
-    );
-    let file_system_sandbox_policy =
-        FileSystemSandboxPolicy::from_legacy_sandbox_policy_for_cwd(&sandbox_policy, &turn.cwd);
-    let network_sandbox_policy = NetworkSandboxPolicy::from(&sandbox_policy);
-    let permission_profile = PermissionProfile::from_runtime_permissions_with_enforcement(
-        SandboxEnforcement::from_legacy_sandbox_policy(&sandbox_policy),
-        &file_system_sandbox_policy,
-        network_sandbox_policy,
+        &turn.permission_profile,
     );
     turn.permission_profile = permission_profile.clone();
     turn.approval_policy

codex-rs/core/src/tools/runtimes/shell/unix_escalation_tests.rs

@@ -28,7 +28,6 @@ use codex_protocol::permissions::NetworkSandboxPolicy;
 use codex_protocol::protocol::AskForApproval;
 use codex_protocol::protocol::GranularApprovalConfig;
 use codex_protocol::protocol::GuardianCommandSource;
-use codex_protocol::protocol::SandboxPolicy;
 use codex_sandboxing::SandboxType;
 use codex_shell_escalation::EscalationExecution;
 use codex_shell_escalation::EscalationPermissions;
@@ -67,10 +66,6 @@ fn read_only_file_system_sandbox_policy() -> FileSystemSandboxPolicy {
     }])
 }
 
-fn permission_profile_from_sandbox_policy(sandbox_policy: &SandboxPolicy) -> PermissionProfile {
-    PermissionProfile::from_legacy_sandbox_policy(sandbox_policy)
-}
-
 fn test_sandbox_cwd() -> AbsolutePathBuf {
     AbsolutePathBuf::try_from(host_absolute_path(&["workspace"])).unwrap()
 }
@@ -406,9 +401,7 @@ async fn execve_permission_request_hook_short_circuits_prompt() -> anyhow::Resul
         call_id: "execve-hook-call".to_string(),
         tool_name: GuardianCommandSource::Shell,
         approval_policy: AskForApproval::OnRequest,
-        permission_profile: permission_profile_from_sandbox_policy(
-            &SandboxPolicy::new_read_only_policy(),
-        ),
+        permission_profile: PermissionProfile::read_only(),
         file_system_sandbox_policy: read_only_file_system_sandbox_policy(),
         sandbox_policy_cwd: workdir.clone(),
         sandbox_permissions: SandboxPermissions::RequireEscalated,
@@ -475,9 +468,7 @@ fn evaluate_intercepted_exec_policy_uses_wrapper_command_when_shell_wrapper_pars
         ],
         InterceptedExecPolicyContext {
             approval_policy: AskForApproval::OnRequest,
-            permission_profile: permission_profile_from_sandbox_policy(
-                &SandboxPolicy::new_read_only_policy(),
-            ),
+            permission_profile: PermissionProfile::read_only(),
             file_system_sandbox_policy: &read_only_file_system_sandbox_policy(),
             sandbox_cwd: sandbox_cwd.as_path(),
             sandbox_permissions: SandboxPermissions::UseDefault,
@@ -530,9 +521,7 @@ fn evaluate_intercepted_exec_policy_matches_inner_shell_commands_when_enabled()
         ],
         InterceptedExecPolicyContext {
             approval_policy: AskForApproval::OnRequest,
-            permission_profile: permission_profile_from_sandbox_policy(
-                &SandboxPolicy::new_read_only_policy(),
-            ),
+            permission_profile: PermissionProfile::read_only(),
             file_system_sandbox_policy: &read_only_file_system_sandbox_policy(),
             sandbox_cwd: sandbox_cwd.as_path(),
             sandbox_permissions: SandboxPermissions::UseDefault,
@@ -576,9 +565,7 @@ host_executable(name = "git", paths = ["{git_path_literal}"])
         &["git".to_string(), "status".to_string()],
         InterceptedExecPolicyContext {
             approval_policy: AskForApproval::OnRequest,
-            permission_profile: permission_profile_from_sandbox_policy(
-                &SandboxPolicy::new_read_only_policy(),
-            ),
+            permission_profile: PermissionProfile::read_only(),
             file_system_sandbox_policy: &read_only_file_system_sandbox_policy(),
             sandbox_cwd: sandbox_cwd.as_path(),
             sandbox_permissions: SandboxPermissions::UseDefault,
@@ -610,7 +597,7 @@ fn intercepted_exec_policy_treats_preapproved_additional_permissions_as_default(
     let program = AbsolutePathBuf::try_from(host_absolute_path(&["usr", "bin", "printf"])).unwrap();
     let argv = ["printf".to_string(), "hello".to_string()];
     let approval_policy = AskForApproval::OnRequest;
-    let sandbox_policy = SandboxPolicy::new_workspace_write_policy();
+    let permission_profile = PermissionProfile::workspace_write();
     let file_system_sandbox_policy = read_only_file_system_sandbox_policy();
     let sandbox_cwd = test_sandbox_cwd();
 
@@ -620,7 +607,7 @@ fn intercepted_exec_policy_treats_preapproved_additional_permissions_as_default(
         &argv,
         InterceptedExecPolicyContext {
             approval_policy,
-            permission_profile: permission_profile_from_sandbox_policy(&sandbox_policy),
+            permission_profile: permission_profile.clone(),
             file_system_sandbox_policy: &file_system_sandbox_policy,
             sandbox_cwd: sandbox_cwd.as_path(),
             sandbox_permissions: super::approval_sandbox_permissions(
@@ -636,7 +623,7 @@ fn intercepted_exec_policy_treats_preapproved_additional_permissions_as_default(
         &argv,
         InterceptedExecPolicyContext {
             approval_policy,
-            permission_profile: permission_profile_from_sandbox_policy(&sandbox_policy),
+            permission_profile,
             file_system_sandbox_policy: &file_system_sandbox_policy,
             sandbox_cwd: sandbox_cwd.as_path(),
             sandbox_permissions: SandboxPermissions::WithAdditionalPermissions,
@@ -671,9 +658,7 @@ host_executable(name = "git", paths = ["{allowed_git_literal}"])
         &["git".to_string(), "status".to_string()],
         InterceptedExecPolicyContext {
             approval_policy: AskForApproval::OnRequest,
-            permission_profile: permission_profile_from_sandbox_policy(
-                &SandboxPolicy::new_read_only_policy(),
-            ),
+            permission_profile: PermissionProfile::read_only(),
             file_system_sandbox_policy: &read_only_file_system_sandbox_policy(),
             sandbox_cwd: sandbox_cwd.as_path(),
             sandbox_permissions: SandboxPermissions::UseDefault,

codex-rs/core/src/unified_exec/process_manager_tests.rs

@@ -71,16 +71,9 @@ fn exec_server_params_use_env_policy_overlay_contract() {
         .expect("current dir")
         .try_into()
         .expect("absolute path");
-    let sandbox_policy = codex_protocol::protocol::SandboxPolicy::DangerFullAccess;
-    let file_system_sandbox_policy =
-        codex_protocol::permissions::FileSystemSandboxPolicy::from(&sandbox_policy);
+    let permission_profile = codex_protocol::models::PermissionProfile::Disabled;
+    let file_system_sandbox_policy = permission_profile.file_system_sandbox_policy();
     let network_sandbox_policy = codex_protocol::permissions::NetworkSandboxPolicy::Restricted;
-    let permission_profile =
-        codex_protocol::models::PermissionProfile::from_runtime_permissions_with_enforcement(
-            codex_protocol::models::SandboxEnforcement::from_legacy_sandbox_policy(&sandbox_policy),
-            &file_system_sandbox_policy,
-            network_sandbox_policy,
-        );
     let request = ExecRequest {
         command: vec!["bash".to_string(), "-lc".to_string(), "true".to_string()],
         cwd: cwd.clone(),

codex-rs/core/tests/common/test_codex.rs

@@ -630,15 +630,6 @@ impl TestCodex {
         .await
     }
 
-    pub async fn submit_turn_with_policy(
-        &self,
-        prompt: &str,
-        sandbox_policy: SandboxPolicy,
-    ) -> Result<()> {
-        self.submit_turn_with_policies(prompt, AskForApproval::Never, sandbox_policy)
-            .await
-    }
-
     pub async fn submit_turn_with_service_tier(
         &self,
         prompt: &str,
@@ -654,26 +645,6 @@ impl TestCodex {
         .await
     }
 
-    pub async fn submit_turn_with_policies(
-        &self,
-        prompt: &str,
-        approval_policy: AskForApproval,
-        sandbox_policy: SandboxPolicy,
-    ) -> Result<()> {
-        let permission_profile = PermissionProfile::from_legacy_sandbox_policy_for_cwd(
-            &sandbox_policy,
-            self.config.cwd.as_path(),
-        );
-        self.submit_turn_with_context(
-            prompt,
-            approval_policy,
-            permission_profile,
-            /*service_tier*/ None,
-            /*environments*/ None,
-        )
-        .await
-    }
-
     pub async fn submit_turn_with_approval_and_permission_profile(
         &self,
         prompt: &str,
@@ -896,16 +867,6 @@ impl TestCodexHarness {
         Box::pin(self.test.submit_turn(prompt)).await
     }
 
-    pub async fn submit_with_policy(
-        &self,
-        prompt: &str,
-        sandbox_policy: SandboxPolicy,
-    ) -> Result<()> {
-        self.test
-            .submit_turn_with_policy(prompt, sandbox_policy)
-            .await
-    }
-
     pub async fn submit_with_permission_profile(
         &self,
         prompt: &str,

codex-rs/core/tests/suite/agent_websocket.rs

@@ -38,8 +38,11 @@ async fn websocket_test_codex_shell_chain() -> Result<()> {
     let mut builder = test_codex().with_windows_cmd_shell();
 
     let test = builder.build_with_websocket_server(&server).await?;
-    test.submit_turn_with_policy("run the echo command", test.config.legacy_sandbox_policy())
-        .await?;
+    test.submit_turn_with_permission_profile(
+        "run the echo command",
+        test.config.permissions.permission_profile(),
+    )
+    .await?;
 
     let connection = server.single_connection();
     assert_eq!(connection.len(), 2);
@@ -82,7 +85,7 @@ async fn websocket_first_turn_uses_startup_prewarm_and_create() -> Result<()> {
 
     let mut builder = test_codex();
     let test = builder.build_with_websocket_server(&server).await?;
-    test.submit_turn_with_policy("hello", test.config.legacy_sandbox_policy())
+    test.submit_turn_with_permission_profile("hello", test.config.permissions.permission_profile())
         .await?;
 
     assert_eq!(server.handshakes().len(), 1);
@@ -129,7 +132,7 @@ async fn websocket_first_turn_handles_handshake_delay_with_startup_prewarm() ->
 
     let mut builder = test_codex();
     let test = builder.build_with_websocket_server(&server).await?;
-    test.submit_turn_with_policy("hello", test.config.legacy_sandbox_policy())
+    test.submit_turn_with_permission_profile("hello", test.config.permissions.permission_profile())
         .await?;
 
     assert_eq!(server.handshakes().len(), 1);
@@ -182,8 +185,11 @@ async fn websocket_v2_test_codex_shell_chain() -> Result<()> {
     });
 
     let test = builder.build_with_websocket_server(&server).await?;
-    test.submit_turn_with_policy("run the echo command", test.config.legacy_sandbox_policy())
-        .await?;
+    test.submit_turn_with_permission_profile(
+        "run the echo command",
+        test.config.permissions.permission_profile(),
+    )
+    .await?;
 
     let connection = server.single_connection();
     assert_eq!(connection.len(), 3);

codex-rs/core/tests/suite/apply_patch_cli.rs

@@ -18,7 +18,6 @@ use codex_protocol::permissions::NetworkSandboxPolicy;
 use codex_protocol::protocol::AskForApproval;
 use codex_protocol::protocol::EventMsg;
 use codex_protocol::protocol::Op;
-use codex_protocol::protocol::SandboxPolicy;
 use codex_protocol::user_input::UserInput;
 #[cfg(target_os = "linux")]
 use codex_sandboxing::landlock::CODEX_LINUX_SANDBOX_ARG0;
@@ -36,6 +35,7 @@ use core_test_support::skip_if_remote;
 use core_test_support::test_codex::TestCodexBuilder;
 use core_test_support::test_codex::TestCodexHarness;
 use core_test_support::test_codex::test_codex;
+use core_test_support::test_codex::turn_permission_fields;
 use core_test_support::wait_for_event;
 use core_test_support::wait_for_event_with_timeout;
 use serde_json::json;
@@ -64,6 +64,8 @@ async fn apply_patch_harness_with(
 async fn submit_without_wait(harness: &TestCodexHarness, prompt: &str) -> Result<()> {
     let test = harness.test();
     let session_model = test.session_configured.model.clone();
+    let (sandbox_policy, permission_profile) =
+        turn_permission_fields(PermissionProfile::Disabled, harness.cwd());
     test.codex
         .submit(Op::UserTurn {
             environments: None,
@@ -75,8 +77,8 @@ async fn submit_without_wait(harness: &TestCodexHarness, prompt: &str) -> Result
             cwd: harness.cwd().to_path_buf(),
             approval_policy: AskForApproval::Never,
             approvals_reviewer: None,
-            sandbox_policy: SandboxPolicy::DangerFullAccess,
-            permission_profile: None,
+            sandbox_policy,
+            permission_profile,
             model: session_model,
             effort: None,
             summary: None,

codex-rs/core/tests/suite/hooks.rs

@@ -1943,9 +1943,9 @@ print(json.dumps({{
         fs::remove_file(&marker).context("remove leftover plugin pre tool use marker")?;
     }
 
-    test.submit_turn_with_policy(
+    test.submit_turn_with_permission_profile(
         "run the shell command blocked by a plugin hook",
-        codex_protocol::protocol::SandboxPolicy::DangerFullAccess,
+        PermissionProfile::Disabled,
     )
     .await?;
 

codex-rs/core/tests/suite/request_permissions.rs

@@ -7,13 +7,14 @@ use codex_features::Feature;
 use codex_protocol::config_types::ApprovalsReviewer;
 use codex_protocol::models::AdditionalPermissionProfile as PermissionProfile;
 use codex_protocol::models::FileSystemPermissions;
+use codex_protocol::models::PermissionProfile as RuntimePermissionProfile;
+use codex_protocol::permissions::NetworkSandboxPolicy;
 use codex_protocol::protocol::AskForApproval;
 use codex_protocol::protocol::EventMsg;
 use codex_protocol::protocol::ExecApprovalRequestEvent;
 use codex_protocol::protocol::GranularApprovalConfig;
 use codex_protocol::protocol::Op;
 use codex_protocol::protocol::ReviewDecision;
-use codex_protocol::protocol::SandboxPolicy;
 use codex_protocol::request_permissions::PermissionGrantScope;
 use codex_protocol::request_permissions::RequestPermissionProfile;
 use codex_protocol::request_permissions::RequestPermissionsResponse;
@@ -31,6 +32,7 @@ use core_test_support::skip_if_no_network;
 use core_test_support::skip_if_sandbox;
 use core_test_support::test_codex::TestCodex;
 use core_test_support::test_codex::test_codex;
+use core_test_support::test_codex::turn_permission_fields;
 use core_test_support::wait_for_event;
 use pretty_assertions::assert_eq;
 use regex_lite::Regex;
@@ -182,9 +184,11 @@ async fn submit_turn(
     test: &TestCodex,
     prompt: &str,
     approval_policy: AskForApproval,
-    sandbox_policy: SandboxPolicy,
+    permission_profile: RuntimePermissionProfile,
 ) -> Result<()> {
     let session_model = test.session_configured.model.clone();
+    let (sandbox_policy, permission_profile) =
+        turn_permission_fields(permission_profile, test.cwd.path());
     test.codex
         .submit(Op::UserTurn {
             environments: None,
@@ -197,7 +201,7 @@ async fn submit_turn(
             approval_policy,
             approvals_reviewer: Some(ApprovalsReviewer::User),
             sandbox_policy,
-            permission_profile: None,
+            permission_profile,
             model: session_model,
             effort: None,
             summary: None,
@@ -283,13 +287,13 @@ async fn expect_request_permissions_event(
     }
 }
 
-fn workspace_write_excluding_tmp() -> SandboxPolicy {
-    SandboxPolicy::WorkspaceWrite {
-        writable_roots: vec![],
-        network_access: false,
-        exclude_tmpdir_env_var: true,
-        exclude_slash_tmp: true,
-    }
+fn workspace_write_excluding_tmp() -> RuntimePermissionProfile {
+    RuntimePermissionProfile::workspace_write_with(
+        &[],
+        NetworkSandboxPolicy::Restricted,
+        /*exclude_tmpdir_env_var*/ true,
+        /*exclude_slash_tmp*/ true,
+    )
 }
 
 fn requested_directory_write_permissions(path: &Path) -> RequestPermissionProfile {
@@ -319,14 +323,15 @@ async fn with_additional_permissions_requires_approval_under_on_request() -> Res
 
     let server = start_mock_server().await;
     let approval_policy = AskForApproval::OnRequest;
-    let sandbox_policy = SandboxPolicy::new_read_only_policy();
-    let sandbox_policy_for_config = sandbox_policy.clone();
+    let permission_profile = RuntimePermissionProfile::read_only();
+    let permission_profile_for_config = permission_profile.clone();
 
     let mut builder = test_codex().with_config(move |config| {
         config.permissions.approval_policy = Constrained::allow_any(approval_policy);
         config
-            .set_legacy_sandbox_policy(sandbox_policy_for_config)
-            .expect("set sandbox policy");
+            .permissions
+            .set_permission_profile(permission_profile_for_config)
+            .expect("set permission profile");
         config
             .features
             .enable(Feature::ExecPermissionApprovals)
@@ -372,7 +377,7 @@ async fn with_additional_permissions_requires_approval_under_on_request() -> Res
     )
     .await;
 
-    submit_turn(&test, call_id, approval_policy, sandbox_policy.clone()).await?;
+    submit_turn(&test, call_id, approval_policy, permission_profile.clone()).await?;
     let approval = expect_exec_approval(&test, command).await;
     assert_eq!(
         approval.additional_permissions,
@@ -416,14 +421,15 @@ async fn request_permissions_tool_is_auto_denied_when_granular_request_permissio
         request_permissions: false,
         mcp_elicitations: true,
     });
-    let sandbox_policy = SandboxPolicy::new_read_only_policy();
-    let sandbox_policy_for_config = sandbox_policy.clone();
+    let permission_profile = RuntimePermissionProfile::read_only();
+    let permission_profile_for_config = permission_profile.clone();
 
     let mut builder = test_codex().with_config(move |config| {
         config.permissions.approval_policy = Constrained::allow_any(approval_policy);
         config
-            .set_legacy_sandbox_policy(sandbox_policy_for_config)
-            .expect("set sandbox policy");
+            .permissions
+            .set_permission_profile(permission_profile_for_config)
+            .expect("set permission profile");
         config
             .features
             .enable(Feature::RequestPermissionsTool)
@@ -463,7 +469,7 @@ async fn request_permissions_tool_is_auto_denied_when_granular_request_permissio
         &test,
         "request permissions under granular.request_permissions = false",
         approval_policy,
-        sandbox_policy,
+        permission_profile,
     )
     .await?;
 
@@ -501,14 +507,15 @@ async fn relative_additional_permissions_resolve_against_tool_workdir() -> Resul
 
     let server = start_mock_server().await;
     let approval_policy = AskForApproval::OnRequest;
-    let sandbox_policy = SandboxPolicy::new_read_only_policy();
-    let sandbox_policy_for_config = sandbox_policy.clone();
+    let permission_profile = RuntimePermissionProfile::read_only();
+    let permission_profile_for_config = permission_profile.clone();
 
     let mut builder = test_codex().with_config(move |config| {
         config.permissions.approval_policy = Constrained::allow_any(approval_policy);
         config
-            .set_legacy_sandbox_policy(sandbox_policy_for_config)
-            .expect("set sandbox policy");
+            .permissions
+            .set_permission_profile(permission_profile_for_config)
+            .expect("set permission profile");
         config
             .features
             .enable(Feature::ExecPermissionApprovals)
@@ -564,7 +571,7 @@ async fn relative_additional_permissions_resolve_against_tool_workdir() -> Resul
     )
     .await;
 
-    submit_turn(&test, call_id, approval_policy, sandbox_policy.clone()).await?;
+    submit_turn(&test, call_id, approval_policy, permission_profile.clone()).await?;
 
     let approval = expect_exec_approval(&test, command).await;
     assert_eq!(
@@ -604,14 +611,15 @@ async fn read_only_with_additional_permissions_does_not_widen_to_unrequested_cwd
 
     let server = start_mock_server().await;
     let approval_policy = AskForApproval::OnRequest;
-    let sandbox_policy = SandboxPolicy::new_read_only_policy();
-    let sandbox_policy_for_config = sandbox_policy.clone();
+    let permission_profile = RuntimePermissionProfile::read_only();
+    let permission_profile_for_config = permission_profile.clone();
 
     let mut builder = test_codex().with_config(move |config| {
         config.permissions.approval_policy = Constrained::allow_any(approval_policy);
         config
-            .set_legacy_sandbox_policy(sandbox_policy_for_config)
-            .expect("set sandbox policy");
+            .permissions
+            .set_permission_profile(permission_profile_for_config)
+            .expect("set permission profile");
         config
             .features
             .enable(Feature::ExecPermissionApprovals)
@@ -660,7 +668,7 @@ async fn read_only_with_additional_permissions_does_not_widen_to_unrequested_cwd
     )
     .await;
 
-    submit_turn(&test, call_id, approval_policy, sandbox_policy.clone()).await?;
+    submit_turn(&test, call_id, approval_policy, permission_profile.clone()).await?;
 
     let approval = expect_exec_approval(&test, &command).await;
     assert_eq!(
@@ -706,14 +714,15 @@ async fn read_only_with_additional_permissions_does_not_widen_to_unrequested_tmp
 
     let server = start_mock_server().await;
     let approval_policy = AskForApproval::OnRequest;
-    let sandbox_policy = SandboxPolicy::new_read_only_policy();
-    let sandbox_policy_for_config = sandbox_policy.clone();
+    let permission_profile = RuntimePermissionProfile::read_only();
+    let permission_profile_for_config = permission_profile.clone();
 
     let mut builder = test_codex().with_config(move |config| {
         config.permissions.approval_policy = Constrained::allow_any(approval_policy);
         config
-            .set_legacy_sandbox_policy(sandbox_policy_for_config)
-            .expect("set sandbox policy");
+            .permissions
+            .set_permission_profile(permission_profile_for_config)
+            .expect("set permission profile");
         config
             .features
             .enable(Feature::ExecPermissionApprovals)
@@ -763,7 +772,7 @@ async fn read_only_with_additional_permissions_does_not_widen_to_unrequested_tmp
     )
     .await;
 
-    submit_turn(&test, call_id, approval_policy, sandbox_policy.clone()).await?;
+    submit_turn(&test, call_id, approval_policy, permission_profile.clone()).await?;
 
     let approval = expect_exec_approval(&test, &command).await;
     assert_eq!(
@@ -807,14 +816,15 @@ async fn workspace_write_with_additional_permissions_can_write_outside_cwd() ->
 
     let server = start_mock_server().await;
     let approval_policy = AskForApproval::OnRequest;
-    let sandbox_policy = workspace_write_excluding_tmp();
-    let sandbox_policy_for_config = sandbox_policy.clone();
+    let permission_profile = workspace_write_excluding_tmp();
+    let permission_profile_for_config = permission_profile.clone();
 
     let mut builder = test_codex().with_config(move |config| {
         config.permissions.approval_policy = Constrained::allow_any(approval_policy);
         config
-            .set_legacy_sandbox_policy(sandbox_policy_for_config)
-            .expect("set sandbox policy");
+            .permissions
+            .set_permission_profile(permission_profile_for_config)
+            .expect("set permission profile");
         config
             .features
             .enable(Feature::ExecPermissionApprovals)
@@ -873,7 +883,7 @@ async fn workspace_write_with_additional_permissions_can_write_outside_cwd() ->
     )
     .await;
 
-    submit_turn(&test, call_id, approval_policy, sandbox_policy.clone()).await?;
+    submit_turn(&test, call_id, approval_policy, permission_profile.clone()).await?;
 
     let approval = expect_exec_approval(&test, &command).await;
     assert_eq!(
@@ -913,14 +923,15 @@ async fn with_additional_permissions_denied_approval_blocks_execution() -> Resul
     skip_if_no_network!(Ok(()));
     let server = start_mock_server().await;
     let approval_policy = AskForApproval::OnRequest;
-    let sandbox_policy = workspace_write_excluding_tmp();
-    let sandbox_policy_for_config = sandbox_policy.clone();
+    let permission_profile = workspace_write_excluding_tmp();
+    let permission_profile_for_config = permission_profile.clone();
 
     let mut builder = test_codex().with_config(move |config| {
         config.permissions.approval_policy = Constrained::allow_any(approval_policy);
         config
-            .set_legacy_sandbox_policy(sandbox_policy_for_config)
-            .expect("set sandbox policy");
+            .permissions
+            .set_permission_profile(permission_profile_for_config)
+            .expect("set permission profile");
         config
             .features
             .enable(Feature::ExecPermissionApprovals)
@@ -977,7 +988,7 @@ async fn with_additional_permissions_denied_approval_blocks_execution() -> Resul
     )
     .await;
 
-    submit_turn(&test, call_id, approval_policy, sandbox_policy.clone()).await?;
+    submit_turn(&test, call_id, approval_policy, permission_profile.clone()).await?;
 
     let approval = expect_exec_approval(&test, &command).await;
     assert_eq!(
@@ -1020,14 +1031,15 @@ async fn request_permissions_grants_apply_to_later_exec_command_calls() -> Resul
 
     let server = start_mock_server().await;
     let approval_policy = AskForApproval::OnRequest;
-    let sandbox_policy = workspace_write_excluding_tmp();
-    let sandbox_policy_for_config = sandbox_policy.clone();
+    let permission_profile = workspace_write_excluding_tmp();
+    let permission_profile_for_config = permission_profile.clone();
 
     let mut builder = test_codex().with_config(move |config| {
         config.permissions.approval_policy = Constrained::allow_any(approval_policy);
         config
-            .set_legacy_sandbox_policy(sandbox_policy_for_config)
-            .expect("set sandbox policy");
+            .permissions
+            .set_permission_profile(permission_profile_for_config)
+            .expect("set permission profile");
         config
             .features
             .enable(Feature::ExecPermissionApprovals)
@@ -1091,7 +1103,7 @@ async fn request_permissions_grants_apply_to_later_exec_command_calls() -> Resul
         &test,
         "write outside the workspace",
         approval_policy,
-        sandbox_policy,
+        permission_profile,
     )
     .await?;
 
@@ -1146,14 +1158,15 @@ async fn request_permissions_preapprove_explicit_exec_permissions_outside_on_req
 
     let server = start_mock_server().await;
     let approval_policy = AskForApproval::OnRequest;
-    let sandbox_policy = workspace_write_excluding_tmp();
-    let sandbox_policy_for_config = sandbox_policy.clone();
+    let permission_profile = workspace_write_excluding_tmp();
+    let permission_profile_for_config = permission_profile.clone();
 
     let mut builder = test_codex().with_config(move |config| {
         config.permissions.approval_policy = Constrained::allow_any(approval_policy);
         config
-            .set_legacy_sandbox_policy(sandbox_policy_for_config)
-            .expect("set sandbox policy");
+            .permissions
+            .set_permission_profile(permission_profile_for_config)
+            .expect("set permission profile");
         config
             .features
             .enable(Feature::ExecPermissionApprovals)
@@ -1208,7 +1221,7 @@ async fn request_permissions_preapprove_explicit_exec_permissions_outside_on_req
         &test,
         "write outside the workspace",
         approval_policy,
-        sandbox_policy,
+        permission_profile,
     )
     .await?;
 
@@ -1266,14 +1279,15 @@ async fn request_permissions_grants_apply_to_later_shell_command_calls() -> Resu
 
     let server = start_mock_server().await;
     let approval_policy = AskForApproval::OnRequest;
-    let sandbox_policy = workspace_write_excluding_tmp();
-    let sandbox_policy_for_config = sandbox_policy.clone();
+    let permission_profile = workspace_write_excluding_tmp();
+    let permission_profile_for_config = permission_profile.clone();
 
     let mut builder = test_codex().with_config(move |config| {
         config.permissions.approval_policy = Constrained::allow_any(approval_policy);
         config
-            .set_legacy_sandbox_policy(sandbox_policy_for_config)
-            .expect("set sandbox policy");
+            .permissions
+            .set_permission_profile(permission_profile_for_config)
+            .expect("set permission profile");
         config
             .features
             .enable(Feature::ExecPermissionApprovals)
@@ -1324,7 +1338,7 @@ async fn request_permissions_grants_apply_to_later_shell_command_calls() -> Resu
         &test,
         "write outside the workspace",
         approval_policy,
-        sandbox_policy,
+        permission_profile,
     )
     .await?;
 
@@ -1380,14 +1394,15 @@ async fn request_permissions_grants_apply_to_later_shell_command_calls_without_i
 
     let server = start_mock_server().await;
     let approval_policy = AskForApproval::OnRequest;
-    let sandbox_policy = workspace_write_excluding_tmp();
-    let sandbox_policy_for_config = sandbox_policy.clone();
+    let permission_profile = workspace_write_excluding_tmp();
+    let permission_profile_for_config = permission_profile.clone();
 
     let mut builder = test_codex().with_config(move |config| {
         config.permissions.approval_policy = Constrained::allow_any(approval_policy);
         config
-            .set_legacy_sandbox_policy(sandbox_policy_for_config)
-            .expect("set sandbox policy");
+            .permissions
+            .set_permission_profile(permission_profile_for_config)
+            .expect("set permission profile");
         config
             .features
             .enable(Feature::RequestPermissionsTool)
@@ -1436,7 +1451,7 @@ async fn request_permissions_grants_apply_to_later_shell_command_calls_without_i
         &test,
         "write outside the workspace without inline permission feature",
         approval_policy,
-        sandbox_policy,
+        permission_profile,
     )
     .await?;
 
@@ -1494,14 +1509,15 @@ async fn partial_request_permissions_grants_do_not_preapprove_new_permissions()
 
     let server = start_mock_server().await;
     let approval_policy = AskForApproval::OnRequest;
-    let sandbox_policy = workspace_write_excluding_tmp();
-    let sandbox_policy_for_config = sandbox_policy.clone();
+    let permission_profile = workspace_write_excluding_tmp();
+    let permission_profile_for_config = permission_profile.clone();
 
     let mut builder = test_codex().with_config(move |config| {
         config.permissions.approval_policy = Constrained::allow_any(approval_policy);
         config
-            .set_legacy_sandbox_policy(sandbox_policy_for_config)
-            .expect("set sandbox policy");
+            .permissions
+            .set_permission_profile(permission_profile_for_config)
+            .expect("set permission profile");
         config
             .features
             .enable(Feature::ExecPermissionApprovals)
@@ -1588,7 +1604,7 @@ async fn partial_request_permissions_grants_do_not_preapprove_new_permissions()
         &test,
         "write outside the workspace",
         approval_policy,
-        sandbox_policy,
+        permission_profile,
     )
     .await?;
 
@@ -1660,14 +1676,15 @@ async fn request_permissions_grants_do_not_carry_across_turns() -> Result<()> {
 
     let server = start_mock_server().await;
     let approval_policy = AskForApproval::OnRequest;
-    let sandbox_policy = workspace_write_excluding_tmp();
-    let sandbox_policy_for_config = sandbox_policy.clone();
+    let permission_profile = workspace_write_excluding_tmp();
+    let permission_profile_for_config = permission_profile.clone();
 
     let mut builder = test_codex().with_config(move |config| {
         config.permissions.approval_policy = Constrained::allow_any(approval_policy);
         config
-            .set_legacy_sandbox_policy(sandbox_policy_for_config)
-            .expect("set sandbox policy");
+            .permissions
+            .set_permission_profile(permission_profile_for_config)
+            .expect("set permission profile");
         config
             .features
             .enable(Feature::ExecPermissionApprovals)
@@ -1709,7 +1726,7 @@ async fn request_permissions_grants_do_not_carry_across_turns() -> Result<()> {
         &test,
         "request permissions for later use",
         approval_policy,
-        sandbox_policy.clone(),
+        permission_profile.clone(),
     )
     .await?;
 
@@ -1754,7 +1771,7 @@ async fn request_permissions_grants_do_not_carry_across_turns() -> Result<()> {
         &test,
         "try to reuse permissions in a later turn",
         approval_policy,
-        sandbox_policy,
+        permission_profile,
     )
     .await?;
     wait_for_completion(&test).await;
@@ -1775,14 +1792,15 @@ async fn request_permissions_session_grants_carry_across_turns() -> Result<()> {
 
     let server = start_mock_server().await;
     let approval_policy = AskForApproval::OnRequest;
-    let sandbox_policy = workspace_write_excluding_tmp();
-    let sandbox_policy_for_config = sandbox_policy.clone();
+    let permission_profile = workspace_write_excluding_tmp();
+    let permission_profile_for_config = permission_profile.clone();
 
     let mut builder = test_codex().with_config(move |config| {
         config.permissions.approval_policy = Constrained::allow_any(approval_policy);
         config
-            .set_legacy_sandbox_policy(sandbox_policy_for_config)
-            .expect("set sandbox policy");
+            .permissions
+            .set_permission_profile(permission_profile_for_config)
+            .expect("set permission profile");
         config
             .features
             .enable(Feature::ExecPermissionApprovals)
@@ -1829,7 +1847,7 @@ async fn request_permissions_session_grants_carry_across_turns() -> Result<()> {
         &test,
         "request session permissions for later use",
         approval_policy,
-        sandbox_policy.clone(),
+        permission_profile.clone(),
     )
     .await?;
 
@@ -1871,7 +1889,7 @@ async fn request_permissions_session_grants_carry_across_turns() -> Result<()> {
         &test,
         "reuse session permissions in a later turn",
         approval_policy,
-        sandbox_policy,
+        permission_profile,
     )
     .await?;
 

codex-rs/core/tests/suite/unified_exec.rs

@@ -14,7 +14,6 @@ use codex_protocol::protocol::EventMsg;
 use codex_protocol::protocol::ExecCommandSource;
 use codex_protocol::protocol::ExecCommandStatus;
 use codex_protocol::protocol::Op;
-use codex_protocol::protocol::SandboxPolicy;
 use codex_protocol::user_input::UserInput;
 use core_test_support::assert_regex_match;
 use core_test_support::process::process_is_alive;
@@ -33,6 +32,7 @@ use core_test_support::skip_if_windows;
 use core_test_support::test_codex::TestCodex;
 use core_test_support::test_codex::TestCodexHarness;
 use core_test_support::test_codex::test_codex;
+use core_test_support::test_codex::turn_permission_fields;
 use core_test_support::wait_for_event;
 use core_test_support::wait_for_event_match;
 use core_test_support::wait_for_event_with_timeout;
@@ -183,9 +183,11 @@ async fn wait_for_raw_unified_exec_output(
 async fn submit_unified_exec_turn(
     test: &TestCodex,
     prompt: &str,
-    sandbox_policy: SandboxPolicy,
+    permission_profile: PermissionProfile,
 ) -> Result<()> {
     let session_model = test.session_configured.model.clone();
+    let (sandbox_policy, permission_profile) =
+        turn_permission_fields(permission_profile, test.config.cwd.as_path());
 
     test.codex
         .submit(Op::UserTurn {
@@ -199,7 +201,7 @@ async fn submit_unified_exec_turn(
             approval_policy: AskForApproval::Never,
             approvals_reviewer: None,
             sandbox_policy,
-            permission_profile: None,
+            permission_profile,
             model: session_model,
             effort: None,
             summary: None,
@@ -271,6 +273,8 @@ async fn unified_exec_intercepts_apply_patch_exec_command() -> Result<()> {
     let codex = test.codex.clone();
     let cwd = test.cwd_path().to_path_buf();
     let session_model = test.session_configured.model.clone();
+    let (sandbox_policy, permission_profile) =
+        turn_permission_fields(PermissionProfile::Disabled, cwd.as_path());
 
     codex
         .submit(Op::UserTurn {
@@ -283,8 +287,8 @@ async fn unified_exec_intercepts_apply_patch_exec_command() -> Result<()> {
             cwd,
             approval_policy: AskForApproval::Never,
             approvals_reviewer: None,
-            sandbox_policy: SandboxPolicy::DangerFullAccess,
-            permission_profile: None,
+            sandbox_policy,
+            permission_profile,
             model: session_model,
             effort: None,
             summary: None,
@@ -402,7 +406,7 @@ async fn unified_exec_emits_exec_command_begin_event() -> Result<()> {
     ];
     mount_sse_sequence(&server, responses).await;
 
-    submit_unified_exec_turn(&test, "emit begin event", SandboxPolicy::DangerFullAccess).await?;
+    submit_unified_exec_turn(&test, "emit begin event", PermissionProfile::Disabled).await?;
 
     let begin_event = wait_for_event_match(&test.codex, |msg| match msg {
         EventMsg::ExecCommandBegin(event) if event.call_id == call_id => Some(event.clone()),
@@ -466,7 +470,7 @@ async fn unified_exec_resolves_relative_workdir() -> Result<()> {
     submit_unified_exec_turn(
         &test,
         "run relative workdir test",
-        SandboxPolicy::DangerFullAccess,
+        PermissionProfile::Disabled,
     )
     .await?;
 
@@ -531,7 +535,7 @@ async fn unified_exec_respects_workdir_override() -> Result<()> {
     ];
     let request_log = mount_sse_sequence(&server, responses).await;
 
-    submit_unified_exec_turn(&test, "run workdir test", SandboxPolicy::DangerFullAccess).await?;
+    submit_unified_exec_turn(&test, "run workdir test", PermissionProfile::Disabled).await?;
 
     let begin_event = wait_for_event_match(&test.codex, |msg| match msg {
         EventMsg::ExecCommandBegin(event) if event.call_id == call_id => Some(event.clone()),
@@ -608,7 +612,7 @@ async fn unified_exec_emits_exec_command_end_event() -> Result<()> {
     ];
     mount_sse_sequence(&server, responses).await;
 
-    submit_unified_exec_turn(&test, "emit end event", SandboxPolicy::DangerFullAccess).await?;
+    submit_unified_exec_turn(&test, "emit end event", PermissionProfile::Disabled).await?;
 
     let end_event = wait_for_event_match(&test.codex, |msg| match msg {
         EventMsg::ExecCommandEnd(ev) if ev.call_id == call_id => Some(ev.clone()),
@@ -666,7 +670,7 @@ async fn unified_exec_emits_output_delta_for_exec_command() -> Result<()> {
     ];
     mount_sse_sequence(&server, responses).await;
 
-    submit_unified_exec_turn(&test, "emit delta", SandboxPolicy::DangerFullAccess).await?;
+    submit_unified_exec_turn(&test, "emit delta", PermissionProfile::Disabled).await?;
 
     let event = wait_for_event_match(&test.codex, |msg| match msg {
         EventMsg::ExecCommandEnd(ev) if ev.call_id == call_id => Some(ev.clone()),
@@ -728,7 +732,7 @@ async fn unified_exec_full_lifecycle_with_background_end_event() -> Result<()> {
     submit_unified_exec_turn(
         &test,
         "exercise full unified exec lifecycle",
-        SandboxPolicy::DangerFullAccess,
+        PermissionProfile::Disabled,
     )
     .await?;
 
@@ -871,7 +875,7 @@ async fn unified_exec_short_lived_network_denial_emits_failed_end_event() -> Res
 #[allow(clippy::expect_used)]
 async fn unified_exec_network_denial_test(
     server: &wiremock::MockServer,
-) -> Result<(TestCodex, SandboxPolicy)> {
+) -> Result<(TestCodex, PermissionProfile)> {
     use codex_config::ConfigLayerStack;
     use codex_config::ConfigLayerStackOrdering;
     use codex_config::Constrained;
@@ -879,6 +883,7 @@ async fn unified_exec_network_denial_test(
     use codex_config::NetworkRequirementsToml;
     use codex_config::RequirementSource;
     use codex_config::Sourced;
+    use codex_protocol::permissions::NetworkSandboxPolicy;
     use std::sync::Arc;
     use tempfile::TempDir;
 
@@ -896,11 +901,13 @@ mode = "limited"
 allow_local_binding = true
 "#,
     )?;
-    let mut sandbox_policy = SandboxPolicy::new_workspace_write_policy();
-    if let SandboxPolicy::WorkspaceWrite { network_access, .. } = &mut sandbox_policy {
-        *network_access = true;
-    }
-    let sandbox_policy_for_config = sandbox_policy.clone();
+    let permission_profile = PermissionProfile::workspace_write_with(
+        &[],
+        NetworkSandboxPolicy::Enabled,
+        /*exclude_tmpdir_env_var*/ false,
+        /*exclude_slash_tmp*/ false,
+    );
+    let permission_profile_for_config = permission_profile.clone();
     let mut builder = test_codex().with_home(home).with_config(move |config| {
         config.use_experimental_unified_exec_tool = true;
         config
@@ -908,9 +915,8 @@ allow_local_binding = true
             .enable(Feature::UnifiedExec)
             .expect("test config should allow feature update");
         config.permissions.approval_policy = Constrained::allow_any(AskForApproval::Never);
-        config.permissions.permission_profile = Constrained::allow_any(
-            PermissionProfile::from_legacy_sandbox_policy(&sandbox_policy_for_config),
-        );
+        config.permissions.permission_profile =
+            Constrained::allow_any(permission_profile_for_config);
         let layers = config
             .config_layer_stack
             .get_layers(
@@ -947,7 +953,7 @@ allow_local_binding = true
         "expected managed network proxy config to be present"
     );
 
-    Ok((test, sandbox_policy))
+    Ok((test, permission_profile))
 }
 
 async fn mount_unified_exec_network_denial_responses(
@@ -1065,7 +1071,7 @@ async fn unified_exec_emits_terminal_interaction_for_write_stdin() -> Result<()>
     ];
     mount_sse_sequence(&server, responses).await;
 
-    submit_unified_exec_turn(&test, "stdin delta", SandboxPolicy::DangerFullAccess).await?;
+    submit_unified_exec_turn(&test, "stdin delta", PermissionProfile::Disabled).await?;
 
     let mut terminal_interaction = None;
 
@@ -1185,7 +1191,7 @@ async fn unified_exec_terminal_interaction_captures_delayed_output() -> Result<(
     submit_unified_exec_turn(
         &test,
         "delayed terminal interaction output",
-        SandboxPolicy::DangerFullAccess,
+        PermissionProfile::Disabled,
     )
     .await?;
 
@@ -1330,7 +1336,7 @@ async fn unified_exec_emits_one_begin_and_one_end_event() -> Result<()> {
     submit_unified_exec_turn(
         &test,
         "check poll event behavior",
-        SandboxPolicy::DangerFullAccess,
+        PermissionProfile::Disabled,
     )
     .await?;
 
@@ -1420,7 +1426,7 @@ async fn exec_command_reports_chunk_and_exit_metadata() -> Result<()> {
     ];
     let request_log = mount_sse_sequence(&server, responses).await;
 
-    submit_unified_exec_turn(&test, "run metadata test", SandboxPolicy::DangerFullAccess).await?;
+    submit_unified_exec_turn(&test, "run metadata test", PermissionProfile::Disabled).await?;
 
     wait_for_event(&test.codex, |event| {
         matches!(event, EventMsg::TurnComplete(_))
@@ -1519,7 +1525,7 @@ async fn exec_command_clamps_model_requested_max_output_tokens_to_policy() -> Re
     submit_unified_exec_turn(
         &test,
         "run clamped max output test",
-        SandboxPolicy::DangerFullAccess,
+        PermissionProfile::Disabled,
     )
     .await?;
 
@@ -1602,7 +1608,7 @@ async fn write_stdin_clamps_model_requested_max_output_tokens_to_policy() -> Res
     submit_unified_exec_turn(
         &test,
         "run clamped write_stdin output test",
-        SandboxPolicy::DangerFullAccess,
+        PermissionProfile::Disabled,
     )
     .await?;
 
@@ -1667,7 +1673,7 @@ async fn unified_exec_defaults_to_pipe() -> Result<()> {
     submit_unified_exec_turn(
         &test,
         "check default pipe mode",
-        SandboxPolicy::DangerFullAccess,
+        PermissionProfile::Disabled,
     )
     .await?;
 
@@ -1734,7 +1740,7 @@ async fn unified_exec_can_enable_tty() -> Result<()> {
     ];
     let request_log = mount_sse_sequence(&server, responses).await;
 
-    submit_unified_exec_turn(&test, "check tty enabled", SandboxPolicy::DangerFullAccess).await?;
+    submit_unified_exec_turn(&test, "check tty enabled", PermissionProfile::Disabled).await?;
 
     wait_for_event(&test.codex, |event| {
         matches!(event, EventMsg::TurnComplete(_))
@@ -1801,7 +1807,7 @@ async fn unified_exec_respects_early_exit_notifications() -> Result<()> {
     submit_unified_exec_turn(
         &test,
         "watch early exit timing",
-        SandboxPolicy::DangerFullAccess,
+        PermissionProfile::Disabled,
     )
     .await?;
 
@@ -1920,7 +1926,7 @@ async fn write_stdin_returns_exit_metadata_and_clears_session() -> Result<()> {
     submit_unified_exec_turn(
         &test,
         "test write_stdin exit behavior",
-        SandboxPolicy::DangerFullAccess,
+        PermissionProfile::Disabled,
     )
     .await?;
 
@@ -2073,7 +2079,7 @@ async fn unified_exec_emits_end_event_when_session_dies_via_stdin() -> Result<()
     ];
     mount_sse_sequence(&server, responses).await;
 
-    submit_unified_exec_turn(&test, "end on exit", SandboxPolicy::DangerFullAccess).await?;
+    submit_unified_exec_turn(&test, "end on exit", PermissionProfile::Disabled).await?;
 
     // We expect the ExecCommandEnd event to match the initial exec_command call_id.
     let end_event = wait_for_event_match(&test.codex, |msg| match msg {
@@ -2139,6 +2145,8 @@ async fn unified_exec_keeps_long_running_session_after_turn_end() -> Result<()>
     mount_sse_sequence(&server, responses).await;
 
     let session_model = session_configured.model.clone();
+    let (sandbox_policy, permission_profile) =
+        turn_permission_fields(PermissionProfile::Disabled, cwd.path());
 
     codex
         .submit(Op::UserTurn {
@@ -2151,8 +2159,8 @@ async fn unified_exec_keeps_long_running_session_after_turn_end() -> Result<()>
             cwd: cwd.path().to_path_buf(),
             approval_policy: AskForApproval::Never,
             approvals_reviewer: None,
-            sandbox_policy: SandboxPolicy::DangerFullAccess,
-            permission_profile: None,
+            sandbox_policy,
+            permission_profile,
             model: session_model,
             effort: None,
             summary: None,
@@ -2234,6 +2242,8 @@ async fn unified_exec_interrupt_preserves_long_running_session() -> Result<()> {
     mount_sse_sequence(&server, responses).await;
 
     let session_model = session_configured.model.clone();
+    let (sandbox_policy, permission_profile) =
+        turn_permission_fields(PermissionProfile::Disabled, cwd.path());
 
     codex
         .submit(Op::UserTurn {
@@ -2246,8 +2256,8 @@ async fn unified_exec_interrupt_preserves_long_running_session() -> Result<()> {
             cwd: cwd.path().to_path_buf(),
             approval_policy: AskForApproval::Never,
             approvals_reviewer: None,
-            sandbox_policy: SandboxPolicy::DangerFullAccess,
-            permission_profile: None,
+            sandbox_policy,
+            permission_profile,
             model: session_model,
             effort: None,
             summary: None,
@@ -2339,7 +2349,7 @@ async fn unified_exec_reuses_session_via_stdin() -> Result<()> {
     ];
     let request_log = mount_sse_sequence(&server, responses).await;
 
-    submit_unified_exec_turn(&test, "run unified exec", SandboxPolicy::DangerFullAccess).await?;
+    submit_unified_exec_turn(&test, "run unified exec", PermissionProfile::Disabled).await?;
 
     wait_for_event(&test.codex, |event| {
         matches!(event, EventMsg::TurnComplete(_))
@@ -2457,12 +2467,7 @@ PY
     ];
     let request_log = mount_sse_sequence(&server, responses).await;
 
-    submit_unified_exec_turn(
-        &test,
-        "exercise lag handling",
-        SandboxPolicy::DangerFullAccess,
-    )
-    .await?;
+    submit_unified_exec_turn(&test, "exercise lag handling", PermissionProfile::Disabled).await?;
     // This is a worst case scenario for the truncate logic, and CI can spend a
     // while draining the lagged tail before the follow-up tool call completes.
     wait_for_event_with_timeout(
@@ -2557,7 +2562,7 @@ async fn unified_exec_timeout_and_followup_poll() -> Result<()> {
     ];
     let request_log = mount_sse_sequence(&server, responses).await;
 
-    submit_unified_exec_turn(&test, "check timeout", SandboxPolicy::DangerFullAccess).await?;
+    submit_unified_exec_turn(&test, "check timeout", PermissionProfile::Disabled).await?;
 
     loop {
         let event = test.codex.next_event().await.expect("event");
@@ -2633,12 +2638,7 @@ PY
     ];
     let request_log = mount_sse_sequence(&server, responses).await;
 
-    submit_unified_exec_turn(
-        &test,
-        "summarize large output",
-        SandboxPolicy::DangerFullAccess,
-    )
-    .await?;
+    submit_unified_exec_turn(&test, "summarize large output", PermissionProfile::Disabled).await?;
 
     wait_for_event(&test.codex, |event| {
         matches!(event, EventMsg::TurnComplete(_))
@@ -2708,6 +2708,8 @@ async fn unified_exec_runs_under_sandbox() -> Result<()> {
     let request_log = mount_sse_sequence(&server, responses).await;
 
     let session_model = session_configured.model.clone();
+    let (sandbox_policy, permission_profile) =
+        turn_permission_fields(PermissionProfile::read_only(), cwd.path());
 
     codex
         .submit(Op::UserTurn {
@@ -2721,8 +2723,8 @@ async fn unified_exec_runs_under_sandbox() -> Result<()> {
             approval_policy: AskForApproval::Never,
             approvals_reviewer: None,
             // Important!
-            sandbox_policy: SandboxPolicy::new_read_only_policy(),
-            permission_profile: None,
+            sandbox_policy,
+            permission_profile,
             model: session_model,
             effort: None,
             summary: None,
@@ -2753,7 +2755,6 @@ async fn unified_exec_runs_under_sandbox() -> Result<()> {
 #[tokio::test(flavor = "multi_thread", worker_threads = 2)]
 async fn unified_exec_enforces_glob_deny_read_policy() -> Result<()> {
     use codex_config::Constrained;
-    use codex_protocol::models::PermissionProfile;
     use codex_protocol::permissions::FileSystemAccessMode;
     use codex_protocol::permissions::FileSystemPath;
     use codex_protocol::permissions::FileSystemSandboxEntry;
@@ -2764,16 +2765,11 @@ async fn unified_exec_enforces_glob_deny_read_policy() -> Result<()> {
     skip_if_sandbox!(Ok(()));
 
     let server = start_mock_server().await;
-    let read_only_policy = SandboxPolicy::new_read_only_policy();
-    let read_only_policy_for_config = read_only_policy.clone();
     let mut builder = test_codex().with_config(move |config| {
         config
             .features
             .enable(Feature::UnifiedExec)
             .expect("test config should allow feature update");
-        config
-            .set_legacy_sandbox_policy(read_only_policy_for_config)
-            .expect("set sandbox policy");
         let mut file_system_sandbox_policy = FileSystemSandboxPolicy::default();
         file_system_sandbox_policy
             .entries
@@ -2828,6 +2824,8 @@ async fn unified_exec_enforces_glob_deny_read_policy() -> Result<()> {
     let request_log = mount_sse_sequence(&server, responses).await;
 
     let session_model = session_configured.model.clone();
+    let (sandbox_policy, permission_profile) =
+        turn_permission_fields(session_configured.permission_profile.clone(), cwd.path());
     codex
         .submit(Op::UserTurn {
             environments: None,
@@ -2839,8 +2837,8 @@ async fn unified_exec_enforces_glob_deny_read_policy() -> Result<()> {
             cwd: cwd.path().to_path_buf(),
             approval_policy: AskForApproval::Never,
             approvals_reviewer: None,
-            sandbox_policy: read_only_policy,
-            permission_profile: None,
+            sandbox_policy,
+            permission_profile,
             model: session_model,
             effort: None,
             summary: None,
@@ -2957,6 +2955,8 @@ async fn unified_exec_python_prompt_under_seatbelt() -> Result<()> {
     let request_log = mount_sse_sequence(&server, responses).await;
 
     let session_model = session_configured.model.clone();
+    let (sandbox_policy, permission_profile) =
+        turn_permission_fields(PermissionProfile::read_only(), cwd.path());
 
     codex
         .submit(Op::UserTurn {
@@ -2969,8 +2969,8 @@ async fn unified_exec_python_prompt_under_seatbelt() -> Result<()> {
             cwd: cwd.path().to_path_buf(),
             approval_policy: AskForApproval::Never,
             approvals_reviewer: None,
-            sandbox_policy: SandboxPolicy::new_read_only_policy(),
-            permission_profile: None,
+            sandbox_policy,
+            permission_profile,
             model: session_model,
             effort: None,
             summary: None,
@@ -3053,12 +3053,7 @@ async fn unified_exec_runs_on_all_platforms() -> Result<()> {
     ];
     let request_log = mount_sse_sequence(&server, responses).await;
 
-    submit_unified_exec_turn(
-        &test,
-        "summarize large output",
-        SandboxPolicy::DangerFullAccess,
-    )
-    .await?;
+    submit_unified_exec_turn(&test, "summarize large output", PermissionProfile::Disabled).await?;
 
     wait_for_event(&test.codex, |event| {
         matches!(event, EventMsg::TurnComplete(_))
@@ -3176,7 +3171,7 @@ async fn unified_exec_prunes_exited_sessions_first() -> Result<()> {
     let response_mock =
         mount_sse_sequence(&server, vec![first_response, completion_response]).await;
 
-    submit_unified_exec_turn(&test, "fill session cache", SandboxPolicy::DangerFullAccess).await?;
+    submit_unified_exec_turn(&test, "fill session cache", PermissionProfile::Disabled).await?;
 
     wait_for_event(&test.codex, |event| {
         matches!(event, EventMsg::TurnComplete(_))

codex-rs/exec-server/src/server/file_system_handler.rs

@@ -173,8 +173,8 @@ fn map_fs_error(err: io::Error) -> JSONRPCErrorError {
 
 #[cfg(test)]
 mod tests {
-    use codex_protocol::protocol::NetworkAccess;
-    use codex_protocol::protocol::SandboxPolicy;
+    use codex_protocol::models::PermissionProfile;
+    use codex_protocol::permissions::NetworkSandboxPolicy;
     use codex_utils_absolute_path::AbsolutePathBuf;
     use pretty_assertions::assert_eq;
 
@@ -195,12 +195,12 @@ mod tests {
         let sandbox_cwd =
             AbsolutePathBuf::from_absolute_path(temp_dir.path()).expect("absolute tempdir");
 
-        for (file_name, sandbox_policy) in [
-            ("danger.txt", SandboxPolicy::DangerFullAccess),
+        for (file_name, permission_profile) in [
+            ("danger.txt", PermissionProfile::Disabled),
             (
                 "external.txt",
-                SandboxPolicy::ExternalSandbox {
-                    network_access: NetworkAccess::Restricted,
+                PermissionProfile::External {
+                    network: NetworkSandboxPolicy::Restricted,
                 },
             ),
         ] {
@@ -212,8 +212,8 @@ mod tests {
                 .write_file(FsWriteFileParams {
                     path: path.clone(),
                     data_base64: STANDARD.encode("ok"),
-                    sandbox: Some(FileSystemSandboxContext::from_legacy_sandbox_policy(
-                        sandbox_policy.clone(),
+                    sandbox: Some(FileSystemSandboxContext::from_permission_profile_with_cwd(
+                        permission_profile.clone(),
                         sandbox_cwd.clone(),
                     )),
                 })
@@ -223,8 +223,8 @@ mod tests {
             let response = handler
                 .read_file(FsReadFileParams {
                     path,
-                    sandbox: Some(FileSystemSandboxContext::from_legacy_sandbox_policy(
-                        sandbox_policy,
+                    sandbox: Some(FileSystemSandboxContext::from_permission_profile_with_cwd(
+                        permission_profile,
                         sandbox_cwd.clone(),
                     )),
                 })

codex-rs/exec/tests/suite/sandbox.rs

@@ -1,6 +1,7 @@
 #![cfg(unix)]
 use codex_core::spawn::StdioPolicy;
-use codex_protocol::protocol::SandboxPolicy;
+use codex_protocol::models::PermissionProfile;
+use codex_protocol::permissions::NetworkSandboxPolicy;
 use codex_utils_absolute_path::AbsolutePathBuf;
 use codex_utils_absolute_path::test_support::PathBufExt;
 use std::collections::HashMap;
@@ -14,7 +15,7 @@ use tokio::process::Child;
 async fn spawn_command_under_sandbox(
     command: Vec<String>,
     command_cwd: AbsolutePathBuf,
-    sandbox_policy: &SandboxPolicy,
+    permission_profile: &PermissionProfile,
     sandbox_cwd: &AbsolutePathBuf,
     stdio_policy: StdioPolicy,
     env: HashMap<String, String>,
@@ -24,7 +25,6 @@ async fn spawn_command_under_sandbox(
     use codex_core::exec::build_exec_request;
     use codex_core::sandboxing::SandboxPermissions;
     use codex_protocol::config_types::WindowsSandboxLevel;
-    use codex_protocol::models::PermissionProfile;
     use std::process::Stdio;
 
     let codex_linux_sandbox_exe = None;
@@ -42,7 +42,7 @@ async fn spawn_command_under_sandbox(
             justification: None,
             arg0: None,
         },
-        &PermissionProfile::from_legacy_sandbox_policy(sandbox_policy),
+        permission_profile,
         sandbox_cwd,
         &codex_linux_sandbox_exe,
         /*use_legacy_landlock*/ false,
@@ -83,22 +83,20 @@ async fn spawn_command_under_sandbox(
 async fn spawn_command_under_sandbox(
     command: Vec<String>,
     command_cwd: AbsolutePathBuf,
-    sandbox_policy: &SandboxPolicy,
+    permission_profile: &PermissionProfile,
     sandbox_cwd: &AbsolutePathBuf,
     stdio_policy: StdioPolicy,
     env: HashMap<String, String>,
 ) -> std::io::Result<Child> {
     use codex_core::spawn_command_under_linux_sandbox;
-    use codex_protocol::models::PermissionProfile;
 
     let codex_linux_sandbox_exe = core_test_support::find_codex_linux_sandbox_exe()
         .map_err(|err| io::Error::new(io::ErrorKind::NotFound, err))?;
-    let permission_profile = PermissionProfile::from_legacy_sandbox_policy(sandbox_policy);
     spawn_command_under_linux_sandbox(
         codex_linux_sandbox_exe,
         command,
         command_cwd,
-        &permission_profile,
+        permission_profile,
         sandbox_cwd,
         /*use_legacy_landlock*/ false,
         stdio_policy,
@@ -118,9 +116,16 @@ async fn spawn_command_under_sandbox(
 async fn linux_sandbox_test_env() -> Option<HashMap<String, String>> {
     let command_cwd = AbsolutePathBuf::current_dir().ok()?;
     let sandbox_cwd = command_cwd.clone();
-    let policy = SandboxPolicy::new_read_only_policy();
+    let permission_profile = PermissionProfile::read_only();
 
-    if can_apply_linux_sandbox_policy(&policy, &command_cwd, &sandbox_cwd, HashMap::new()).await {
+    if can_apply_linux_sandbox_policy(
+        &permission_profile,
+        &command_cwd,
+        &sandbox_cwd,
+        HashMap::new(),
+    )
+    .await
+    {
         return Some(HashMap::new());
     }
 
@@ -135,7 +140,7 @@ async fn linux_sandbox_test_env() -> Option<HashMap<String, String>> {
 /// This is used as a capability probe so sandbox behavior tests only run when
 /// Landlock enforcement is actually active.
 async fn can_apply_linux_sandbox_policy(
-    policy: &SandboxPolicy,
+    permission_profile: &PermissionProfile,
     command_cwd: &AbsolutePathBuf,
     sandbox_cwd: &AbsolutePathBuf,
     env: HashMap<String, String>,
@@ -143,7 +148,7 @@ async fn can_apply_linux_sandbox_policy(
     let spawn_result = spawn_command_under_sandbox(
         vec!["/usr/bin/true".to_string()],
         command_cwd.clone(),
-        policy,
+        permission_profile,
         sandbox_cwd,
         StdioPolicy::RedirectForShellTool,
         env,
@@ -180,12 +185,12 @@ async fn python_multiprocessing_lock_works_under_sandbox() {
     #[cfg(target_os = "linux")]
     let writable_roots: Vec<AbsolutePathBuf> = vec!["/dev/shm".try_into().unwrap()];
 
-    let policy = SandboxPolicy::WorkspaceWrite {
-        writable_roots,
-        network_access: false,
-        exclude_tmpdir_env_var: false,
-        exclude_slash_tmp: false,
-    };
+    let permission_profile = PermissionProfile::workspace_write_with(
+        &writable_roots,
+        NetworkSandboxPolicy::Restricted,
+        /*exclude_tmpdir_env_var*/ false,
+        /*exclude_slash_tmp*/ false,
+    );
 
     let python_code = r#"import multiprocessing
 from multiprocessing import Lock, Process
@@ -210,7 +215,7 @@ if __name__ == '__main__':
             python_code.to_string(),
         ],
         command_cwd,
-        &policy,
+        &permission_profile,
         &sandbox_cwd,
         StdioPolicy::Inherit,
         sandbox_env,
@@ -242,7 +247,7 @@ async fn python_getpwuid_works_under_sandbox() {
         return;
     }
 
-    let policy = SandboxPolicy::new_read_only_policy();
+    let permission_profile = PermissionProfile::read_only();
     let command_cwd = AbsolutePathBuf::current_dir().expect("should be able to get current dir");
     let sandbox_cwd = command_cwd.clone();
 
@@ -253,7 +258,7 @@ async fn python_getpwuid_works_under_sandbox() {
             "import pwd, os; print(pwd.getpwuid(os.getuid()))".to_string(),
         ],
         command_cwd,
-        &policy,
+        &permission_profile,
         &sandbox_cwd,
         StdioPolicy::RedirectForShellTool,
         sandbox_env,
@@ -294,12 +299,12 @@ async fn sandbox_distinguishes_command_and_policy_cwds() {
     // Note writable_roots is empty: verify that `canonical_allowed_path` is
     // writable only because it is under the sandbox policy cwd, not because it
     // is under a writable root.
-    let policy = SandboxPolicy::WorkspaceWrite {
-        writable_roots: vec![],
-        network_access: false,
-        exclude_tmpdir_env_var: true,
-        exclude_slash_tmp: true,
-    };
+    let permission_profile = PermissionProfile::workspace_write_with(
+        &[],
+        NetworkSandboxPolicy::Restricted,
+        /*exclude_tmpdir_env_var*/ true,
+        /*exclude_slash_tmp*/ true,
+    );
 
     // Attempt to write inside the command cwd, which is outside of the sandbox policy cwd.
     let mut child = spawn_command_under_sandbox(
@@ -309,7 +314,7 @@ async fn sandbox_distinguishes_command_and_policy_cwds() {
             "echo forbidden > forbidden.txt".to_string(),
         ],
         command_root.clone(),
-        &policy,
+        &permission_profile,
         &canonical_sandbox_root,
         StdioPolicy::Inherit,
         sandbox_env.clone(),
@@ -340,7 +345,7 @@ async fn sandbox_distinguishes_command_and_policy_cwds() {
             canonical_allowed_path.to_string_lossy().into_owned(),
         ],
         command_root,
-        &policy,
+        &permission_profile,
         &canonical_sandbox_root,
         StdioPolicy::Inherit,
         sandbox_env,
@@ -375,12 +380,12 @@ async fn sandbox_blocks_first_time_dot_codex_creation() {
     create_dir_all(&repo_root).await.expect("mkdir repo");
     let dot_codex = repo_root.join(".codex");
     let config_toml = dot_codex.join("config.toml");
-    let policy = SandboxPolicy::WorkspaceWrite {
-        writable_roots: vec![],
-        network_access: false,
-        exclude_tmpdir_env_var: true,
-        exclude_slash_tmp: true,
-    };
+    let permission_profile = PermissionProfile::workspace_write_with(
+        &[],
+        NetworkSandboxPolicy::Restricted,
+        /*exclude_tmpdir_env_var*/ true,
+        /*exclude_slash_tmp*/ true,
+    );
 
     let mut child = spawn_command_under_sandbox(
         vec![
@@ -390,7 +395,7 @@ async fn sandbox_blocks_first_time_dot_codex_creation() {
                 .to_string(),
         ],
         repo_root.clone(),
-        &policy,
+        &permission_profile,
         &repo_root,
         StdioPolicy::RedirectForShellTool,
         sandbox_env,
@@ -507,7 +512,7 @@ fn unix_sock_body() {
 async fn allow_unix_socketpair_recvfrom() {
     run_code_under_sandbox(
         "allow_unix_socketpair_recvfrom",
-        &SandboxPolicy::new_read_only_policy(),
+        &PermissionProfile::read_only(),
         || async { unix_sock_body() },
     )
     .await
@@ -519,7 +524,7 @@ const IN_SANDBOX_ENV_VAR: &str = "IN_SANDBOX";
 #[expect(clippy::expect_used)]
 pub async fn run_code_under_sandbox<F, Fut>(
     test_selector: &str,
-    policy: &SandboxPolicy,
+    permission_profile: &PermissionProfile,
     child_body: F,
 ) -> io::Result<Option<ExitStatus>>
 where
@@ -544,7 +549,7 @@ where
         let mut child = spawn_command_under_sandbox(
             cmds,
             command_cwd,
-            policy,
+            permission_profile,
             &sandbox_cwd,
             stdio_policy,
             HashMap::from([("IN_SANDBOX".into(), "1".into())]),

codex-rs/file-system/src/lib.rs

@@ -1,13 +1,10 @@
 use async_trait::async_trait;
 use codex_protocol::config_types::WindowsSandboxLevel;
 use codex_protocol::models::PermissionProfile;
-use codex_protocol::models::SandboxEnforcement;
 use codex_protocol::permissions::FileSystemPath;
 use codex_protocol::permissions::FileSystemSandboxKind;
 use codex_protocol::permissions::FileSystemSandboxPolicy;
 use codex_protocol::permissions::FileSystemSpecialPath;
-use codex_protocol::permissions::NetworkSandboxPolicy;
-use codex_protocol::protocol::SandboxPolicy;
 use codex_utils_absolute_path::AbsolutePathBuf;
 use std::io;
 use std::path::Path;
@@ -58,17 +55,6 @@ pub struct FileSystemSandboxContext {
 }
 
 impl FileSystemSandboxContext {
-    pub fn from_legacy_sandbox_policy(sandbox_policy: SandboxPolicy, cwd: AbsolutePathBuf) -> Self {
-        let file_system_sandbox_policy =
-            FileSystemSandboxPolicy::from_legacy_sandbox_policy_for_cwd(&sandbox_policy, &cwd);
-        let permissions = PermissionProfile::from_runtime_permissions_with_enforcement(
-            SandboxEnforcement::from_legacy_sandbox_policy(&sandbox_policy),
-            &file_system_sandbox_policy,
-            NetworkSandboxPolicy::from(&sandbox_policy),
-        );
-        Self::from_permission_profile_with_cwd(permissions, cwd)
-    }
-
     pub fn from_permission_profile(permissions: PermissionProfile) -> Self {
         Self::from_permissions_and_cwd(permissions, /*cwd*/ None)
     }

codex-rs/memories/write/src/phase2.rs

@@ -17,9 +17,10 @@ use codex_config::Constrained;
 use codex_core::config::Config;
 use codex_features::Feature;
 use codex_protocol::ThreadId;
+use codex_protocol::models::PermissionProfile;
+use codex_protocol::permissions::NetworkSandboxPolicy;
 use codex_protocol::protocol::AgentStatus;
 use codex_protocol::protocol::AskForApproval;
-use codex_protocol::protocol::SandboxPolicy;
 use codex_protocol::protocol::TokenUsage;
 use codex_protocol::user_input::UserInput;
 use codex_state::Stage1Output;
@@ -315,18 +316,16 @@ mod agent {
             .features
             .disable(Feature::SkillMcpDependencyInstall);
 
-        // Sandbox policy
-        let writable_roots = vec![root];
         // The consolidation agent only needs local memory-root write access and no network.
-        let consolidation_sandbox_policy = SandboxPolicy::WorkspaceWrite {
-            writable_roots,
-            network_access: false,
-            exclude_tmpdir_env_var: true,
-            exclude_slash_tmp: true,
-        };
+        let permission_profile = PermissionProfile::workspace_write_with(
+            std::slice::from_ref(&root),
+            NetworkSandboxPolicy::Restricted,
+            /*exclude_tmpdir_env_var*/ true,
+            /*exclude_slash_tmp*/ true,
+        );
         agent_config
             .permissions
-            .set_legacy_sandbox_policy(consolidation_sandbox_policy, agent_config.cwd.as_path())
+            .set_permission_profile(permission_profile)
             .ok()?;
 
         agent_config.model = Some(

codex-rs/rollout-trace/src/thread_tests.rs

@@ -7,7 +7,6 @@ use codex_protocol::AgentPath;
 use codex_protocol::ThreadId;
 use codex_protocol::protocol::AgentStatus;
 use codex_protocol::protocol::EventMsg;
-use codex_protocol::protocol::SandboxPolicy;
 use codex_protocol::protocol::SessionSource;
 use codex_protocol::protocol::SubAgentSource;
 use tempfile::TempDir;
@@ -38,7 +37,7 @@ fn create_in_root_writes_replayable_lifecycle_events() -> anyhow::Result<()> {
             model: "gpt-test".to_string(),
             provider_name: "test-provider".to_string(),
             approval_policy: "never".to_string(),
-            sandbox_policy: format!("{:?}", SandboxPolicy::DangerFullAccess),
+            sandbox_policy: "DangerFullAccess".to_string(),
         },
     )?;
 
@@ -85,7 +84,7 @@ fn spawned_thread_start_appends_to_root_bundle() -> anyhow::Result<()> {
         model: "gpt-test".to_string(),
         provider_name: "test-provider".to_string(),
         approval_policy: "never".to_string(),
-        sandbox_policy: format!("{:?}", SandboxPolicy::DangerFullAccess),
+        sandbox_policy: "DangerFullAccess".to_string(),
     });
     child_trace.record_ended(RolloutStatus::Completed);
     let bundle_dir = single_bundle_dir(temp.path())?;