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use core_foundation_sys::array::CFArrayRef;
use core_foundation_sys::base::{CFTypeRef, OSStatus};
use core_foundation_sys::data::CFDataRef;
use core_foundation_sys::dictionary::CFDictionaryRef;
use core_foundation_sys::string::CFStringRef;
use libc::c_uint;

use base::{SecAccessRef, SecKeychainRef};

#[cfg(target_os = "macos")]
pub type SecExternalFormat = u32;
#[cfg(target_os = "macos")]
pub type SecExternalItemType = u32;
#[cfg(target_os = "macos")]
pub type SecItemImportExportFlags = u32;
#[cfg(target_os = "macos")]
pub type SecKeyImportExportFlags = u32;

#[cfg(target_os = "macos")]
pub const kSecKeyImportOnlyOne: SecKeyImportExportFlags = 1;
#[cfg(target_os = "macos")]
pub const kSecKeySecurePassphrase: SecKeyImportExportFlags = 2;
#[cfg(target_os = "macos")]
pub const kSecKeyNoAccessControl: SecKeyImportExportFlags = 4;

#[cfg(target_os = "macos")]
pub const SEC_KEY_IMPORT_EXPORT_PARAMS_VERSION: c_uint = 0;

#[repr(C)]
#[derive(Copy, Clone)]
#[cfg(target_os = "macos")]
pub struct SecItemImportExportKeyParameters {
    pub version: c_uint,
    pub flags: SecKeyImportExportFlags,
    pub passphrase: CFTypeRef,
    pub alertTitle: CFStringRef,
    pub alertPrompt: CFStringRef,
    pub accessRef: SecAccessRef,
    pub keyUsage: CFArrayRef,
    pub keyAttributes: CFArrayRef,
}

extern "C" {
    #[cfg(target_os = "macos")]
    pub fn SecItemImport(
        importedData: CFDataRef,
        fileNameOrExtension: CFStringRef,
        inputFormat: *mut SecExternalFormat,
        itemType: *mut SecExternalItemType,
        flags: SecItemImportExportFlags,
        keyParams: *const SecItemImportExportKeyParameters,
        importKeychain: SecKeychainRef,
        outItems: *mut CFArrayRef,
    ) -> OSStatus;

    #[cfg(target_os = "macos")]
    pub fn SecItemExport(
        secItemOrArray: CFTypeRef,
        outputFormat: SecExternalFormat,
        flags: SecItemImportExportFlags,
        keyParams: *const SecItemImportExportKeyParameters,
        exportedData: *mut CFDataRef,
    ) -> OSStatus;

    pub static kSecImportExportPassphrase: CFStringRef;
    #[cfg(target_os = "macos")]
    pub static kSecImportExportKeychain: CFStringRef;
    #[cfg(target_os = "macos")]
    pub static kSecImportExportAccess: CFStringRef;

    pub static kSecImportItemLabel: CFStringRef;
    pub static kSecImportItemKeyID: CFStringRef;
    pub static kSecImportItemTrust: CFStringRef;
    pub static kSecImportItemCertChain: CFStringRef;
    pub static kSecImportItemIdentity: CFStringRef;

    pub fn SecPKCS12Import(
        pkcs12_data: CFDataRef,
        options: CFDictionaryRef,
        items: *mut CFArrayRef,
    ) -> OSStatus;
}