diff --git a/codex-rs/core/src/tools/runtimes/shell/unix_escalation.rs b/codex-rs/core/src/tools/runtimes/shell/unix_escalation.rs index 41221841ef..c4bf9ed5a1 100644 --- a/codex-rs/core/src/tools/runtimes/shell/unix_escalation.rs +++ b/codex-rs/core/src/tools/runtimes/shell/unix_escalation.rs @@ -634,9 +634,11 @@ impl EscalationPolicy for CoreShellActionProvider { let decision_driven_by_policy = Self::decision_driven_by_policy(&evaluation.matched_rules, evaluation.decision); let unsandboxed_allowed = unsandboxed_execution_allowed(&self.file_system_sandbox_policy); - let needs_escalation = unsandboxed_allowed + let needs_unsandboxed_escalation = unsandboxed_allowed && (self.sandbox_permissions.requires_escalated_permissions() || decision_driven_by_policy); + let needs_escalation = + self.sandbox_permissions.uses_additional_permissions() || needs_unsandboxed_escalation; let decision_source = if decision_driven_by_policy { DecisionSource::PrefixRule @@ -862,7 +864,7 @@ impl ShellCommandExecutor for CoreShellCommandExecutor { EscalationExecution::Unsandboxed => PreparedExec { command, cwd: workdir.to_path_buf(), - env, + env: exec_env_for_sandbox_permissions(&env, SandboxPermissions::RequireEscalated), arg0: Some(first_arg.clone()), }, EscalationExecution::TurnDefault => { diff --git a/codex-rs/core/src/tools/runtimes/shell/unix_escalation_tests.rs b/codex-rs/core/src/tools/runtimes/shell/unix_escalation_tests.rs index ecdf015fd5..87e0854176 100644 --- a/codex-rs/core/src/tools/runtimes/shell/unix_escalation_tests.rs +++ b/codex-rs/core/src/tools/runtimes/shell/unix_escalation_tests.rs @@ -1,4 +1,5 @@ use super::CoreShellActionProvider; +use super::CoreShellCommandExecutor; use super::InterceptedExecPolicyContext; use super::ParsedShellCommand; use super::commands_for_intercepted_exec_policy; @@ -16,6 +17,9 @@ use codex_execpolicy::PolicyParser; use codex_execpolicy::RuleMatch; use codex_hooks::Hooks; use codex_hooks::HooksConfig; +use codex_network_proxy::PROXY_ACTIVE_ENV_KEY; +use codex_network_proxy::PROXY_ENV_KEYS; +use codex_protocol::config_types::WindowsSandboxLevel; use codex_protocol::models::AdditionalPermissionProfile; use codex_protocol::models::FileSystemPermissions; use codex_protocol::models::PermissionProfile; @@ -29,13 +33,16 @@ use codex_protocol::protocol::AskForApproval; use codex_protocol::protocol::GranularApprovalConfig; use codex_protocol::protocol::GuardianCommandSource; use codex_sandboxing::SandboxType; +use codex_sandboxing::policy_transforms::effective_permission_profile; use codex_shell_escalation::EscalationExecution; use codex_shell_escalation::EscalationPermissions; use codex_shell_escalation::ExecResult; use codex_shell_escalation::ResolvedPermissionProfile; +use codex_shell_escalation::ShellCommandExecutor; use codex_utils_absolute_path::AbsolutePathBuf; use pretty_assertions::assert_eq; use serde_json::Value; +use std::collections::HashMap; use std::path::PathBuf; use std::sync::Arc; use std::time::Duration; @@ -348,6 +355,100 @@ fn shell_request_escalation_execution_is_explicit() { ); } +#[tokio::test] +async fn unsandboxed_intercepted_exec_strips_managed_network_env() -> anyhow::Result<()> { + let workdir = test_sandbox_cwd(); + let executor = CoreShellCommandExecutor { + command: Vec::new(), + cwd: workdir.clone(), + permission_profile: PermissionProfile::workspace_write(), + file_system_sandbox_policy: read_only_file_system_sandbox_policy(), + network_sandbox_policy: NetworkSandboxPolicy::Restricted, + sandbox: SandboxType::None, + env: HashMap::new(), + network: None, + windows_sandbox_level: WindowsSandboxLevel::Disabled, + arg0: None, + sandbox_policy_cwd: workdir.clone(), + windows_sandbox_workspace_roots: vec![workdir.clone()], + codex_linux_sandbox_exe: None, + use_legacy_landlock: false, + }; + let mut env = HashMap::new(); + env.insert(PROXY_ACTIVE_ENV_KEY.to_string(), "1".to_string()); + for key in PROXY_ENV_KEYS { + env.insert((*key).to_string(), format!("proxy-{key}")); + } + + let prepared = executor + .prepare_escalated_exec( + &AbsolutePathBuf::from_absolute_path("/usr/bin/curl")?, + &["curl".to_string(), "example.com".to_string()], + &workdir, + env, + EscalationExecution::Unsandboxed, + ) + .await?; + + assert!(!prepared.env.contains_key(PROXY_ACTIVE_ENV_KEY)); + for key in PROXY_ENV_KEYS { + assert!(!prepared.env.contains_key(*key)); + } + + Ok(()) +} + +#[tokio::test] +async fn preapproved_additional_permissions_escalate_intercepted_exec() -> anyhow::Result<()> { + let (session, turn_context) = make_session_and_context().await; + let requested_permissions = AdditionalPermissionProfile { + file_system: Some(FileSystemPermissions::from_read_write_roots( + /*read*/ None, + Some(vec![ + AbsolutePathBuf::from_absolute_path("/tmp/output").unwrap(), + ]), + )), + ..Default::default() + }; + let workdir = test_sandbox_cwd(); + let permission_profile = effective_permission_profile( + &PermissionProfile::workspace_write(), + Some(&requested_permissions), + ); + let provider = CoreShellActionProvider { + policy: Arc::new(RwLock::new(codex_execpolicy::Policy::empty())), + session: Arc::new(session), + turn: Arc::new(turn_context), + call_id: "preapproved-additional-permissions".to_string(), + tool_name: GuardianCommandSource::Shell, + approval_policy: AskForApproval::OnRequest, + permission_profile: permission_profile.clone(), + file_system_sandbox_policy: read_only_file_system_sandbox_policy(), + sandbox_policy_cwd: workdir.clone(), + sandbox_permissions: SandboxPermissions::WithAdditionalPermissions, + approval_sandbox_permissions: SandboxPermissions::UseDefault, + prompt_permissions: Some(requested_permissions), + stopwatch: codex_shell_escalation::Stopwatch::new(Duration::from_secs(1)), + }; + + let action = codex_shell_escalation::EscalationPolicy::determine_action( + &provider, + &AbsolutePathBuf::from_absolute_path("/usr/bin/printf")?, + &["printf".to_string(), "hello".to_string()], + &workdir, + ) + .await?; + + let expected = codex_shell_escalation::EscalationDecision::Escalate( + EscalationExecution::Permissions(EscalationPermissions::ResolvedPermissionProfile( + ResolvedPermissionProfile { permission_profile }, + )), + ); + assert_eq!(action, expected); + + Ok(()) +} + #[tokio::test(flavor = "current_thread")] async fn execve_permission_request_hook_short_circuits_prompt() -> anyhow::Result<()> { let (session, mut turn_context) = make_session_and_context().await; diff --git a/codex-rs/core/src/tools/runtimes/unified_exec.rs b/codex-rs/core/src/tools/runtimes/unified_exec.rs index bf04a6fe35..454c966c54 100644 --- a/codex-rs/core/src/tools/runtimes/unified_exec.rs +++ b/codex-rs/core/src/tools/runtimes/unified_exec.rs @@ -265,17 +265,15 @@ impl<'a> ToolRuntime for UnifiedExecRunt let base_command = &req.command; let session_shell = ctx.session.user_shell(); let (file_system_sandbox_policy, _) = attempt.permissions.to_runtime_permissions(); - let sandbox_permissions = sandbox_permissions_preserving_denied_reads( + let launch_sandbox_permissions = sandbox_permissions_preserving_denied_reads( req.sandbox_permissions, &file_system_sandbox_policy, ); - let req = &UnifiedExecRequest { - sandbox_permissions, - ..req.clone() - }; - let managed_network = - managed_network_for_sandbox_permissions(req.network.as_ref(), req.sandbox_permissions); - let mut env = exec_env_for_sandbox_permissions(&req.env, req.sandbox_permissions); + let managed_network = managed_network_for_sandbox_permissions( + req.network.as_ref(), + launch_sandbox_permissions, + ); + let mut env = exec_env_for_sandbox_permissions(&req.env, launch_sandbox_permissions); if let Some(network) = managed_network { network.apply_to_env(&mut env); } @@ -412,6 +410,7 @@ mod tests { use crate::exec::DEFAULT_EXEC_COMMAND_TIMEOUT_MS; use crate::tools::sandboxing::ToolRuntime; use codex_exec_server::Environment; + use codex_tools::ZshForkConfig; use std::time::Duration; use tempfile::tempdir; @@ -473,4 +472,103 @@ mod tests { assert_eq!(runtime.sandbox_cwd(&request), Some(&sandbox_cwd)); } + + #[tokio::test] + async fn zsh_fork_first_attempt_preserves_parent_sandbox_override() { + let manager = UnifiedExecProcessManager::default(); + let request = test_request( + SandboxPermissions::RequireEscalated, + ExecApprovalRequirement::NeedsApproval { + reason: None, + proposed_execpolicy_amendment: None, + }, + ); + let direct_runtime = UnifiedExecRuntime::new(&manager, UnifiedExecShellMode::Direct); + let zsh_fork_runtime = UnifiedExecRuntime::new(&manager, zsh_fork_mode()); + + assert_eq!( + direct_runtime.sandbox_permissions(&request), + SandboxPermissions::RequireEscalated + ); + assert_eq!( + zsh_fork_runtime.sandbox_permissions(&request), + SandboxPermissions::RequireEscalated + ); + } + + #[tokio::test] + async fn zsh_fork_first_attempt_preserves_additional_permissions_request() { + let manager = UnifiedExecProcessManager::default(); + let request = test_request( + SandboxPermissions::WithAdditionalPermissions, + ExecApprovalRequirement::NeedsApproval { + reason: None, + proposed_execpolicy_amendment: None, + }, + ); + let zsh_fork_runtime = UnifiedExecRuntime::new(&manager, zsh_fork_mode()); + + assert_eq!( + zsh_fork_runtime.sandbox_permissions(&request), + SandboxPermissions::WithAdditionalPermissions + ); + } + + #[tokio::test] + async fn zsh_fork_execpolicy_allow_preserves_parent_sandbox_override() { + let manager = UnifiedExecProcessManager::default(); + let request = test_request( + SandboxPermissions::UseDefault, + ExecApprovalRequirement::Skip { + bypass_sandbox: true, + proposed_execpolicy_amendment: None, + }, + ); + let runtime = UnifiedExecRuntime::new(&manager, zsh_fork_mode()); + + assert_eq!( + runtime.exec_approval_requirement(&request), + Some(ExecApprovalRequirement::Skip { + bypass_sandbox: true, + proposed_execpolicy_amendment: None, + }) + ); + } + + fn test_request( + sandbox_permissions: SandboxPermissions, + exec_approval_requirement: ExecApprovalRequirement, + ) -> UnifiedExecRequest { + let cwd = AbsolutePathBuf::try_from(std::env::current_dir().unwrap()) + .expect("current dir is absolute"); + UnifiedExecRequest { + command: vec!["zsh".to_string(), "-c".to_string(), "echo hi".to_string()], + shell_type: ShellType::Zsh, + hook_command: "echo hi".to_string(), + process_id: 1000, + cwd: cwd.clone(), + sandbox_cwd: cwd, + environment: Arc::new(Environment::default_for_tests()), + env: HashMap::new(), + exec_server_env_config: None, + explicit_env_overrides: HashMap::new(), + network: None, + tty: false, + sandbox_permissions, + additional_permissions: None, + #[cfg(unix)] + additional_permissions_preapproved: false, + justification: None, + exec_approval_requirement, + } + } + + fn zsh_fork_mode() -> UnifiedExecShellMode { + let cwd = std::env::current_dir().expect("read current dir"); + UnifiedExecShellMode::ZshFork(ZshForkConfig { + shell_zsh_path: AbsolutePathBuf::try_from(cwd.join("zsh")).expect("absolute zsh path"), + main_execve_wrapper_exe: AbsolutePathBuf::try_from(cwd.join("execve-wrapper")) + .expect("absolute wrapper path"), + }) + } }