OSX/libsecurity_keychain/lib/SecKeychain.h

   1 /*
   2  * Copyright (c) 2000-2004,2011,2013-2014 Apple Inc. All Rights Reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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  18  * Please see the License for the specific language governing rights and
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  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24 /*!
  25         @header SecKeychain
  26         SecKeychain implements a repository for securely storing items with publicly visible attributes by which to find the items.
  27 */
  28
  29 #ifndef _SECURITY_SECKEYCHAIN_H_
  30 #define _SECURITY_SECKEYCHAIN_H_
  31
  32 #include <Security/SecBase.h>
  33 #include <Security/cssmapple.h>
  34 #include <CoreFoundation/CFArray.h>
  35 #include <libkern/OSByteOrder.h>
  36
  37 #if defined(__cplusplus)
  38 extern "C" {
  39 #endif
  40
  41 CF_ASSUME_NONNULL_BEGIN
  42
  43 /*!
  44         @enum KeychainStatus
  45         @abstract Defines the current status of a keychain.
  46         @constant kSecUnlockStateStatus Indicates the keychain is unlocked.
  47         @constant kSecReadPermStatus Indicates the keychain is readable.
  48         @constant kSecWritePermStatus Indicates the keychain is writable.
  49 */
  50 CF_ENUM(UInt32)
  51 {
  52     kSecUnlockStateStatus        = 1,
  53     kSecReadPermStatus           = 2,
  54     kSecWritePermStatus          = 4
  55 };
  56
  57 #define SEC_KEYCHAIN_SETTINGS_VERS1 1
  58
  59
  60 /*!
  61         @typedef SecKeychainSettings
  62         @abstract Contains keychain settings.
  63         @field version An unsigned 32-bit integer representing the keychain version.
  64         @field lockOnSleep A boolean value indicating whether the keychain locks when the system sleeps.
  65         @field useLockInterval A boolean value indicating whether the keychain automatically locks after a certain period of time.
  66         @field lockInterval An unsigned 32-bit integer representing the number of seconds before the keychain locks.
  67 */
  68 struct SecKeychainSettings
  69 {
  70         UInt32          version;
  71         Boolean         lockOnSleep;
  72         Boolean         useLockInterval;
  73         UInt32          lockInterval;
  74 };
  75 typedef struct SecKeychainSettings              SecKeychainSettings;
  76
  77 /*!
  78         @enum AuthenticationConstants
  79         @abstract Defines constants you can use to identify the type of authentication to use for an Internet password.
  80         @constant kSecAuthenticationTypeNTLM Specifies Windows NT LAN Manager authentication.
  81         @constant kSecAuthenticationTypeMSN Specifies Microsoft Network default authentication.
  82         @constant kSecAuthenticationTypeDPA Specifies Distributed Password authentication.
  83         @constant kSecAuthenticationTypeRPA Specifies Remote Password authentication.
  84         @constant kSecAuthenticationTypeHTTPBasic Specifies HTTP Basic authentication.
  85         @constant kSecAuthenticationTypeHTTPDigest Specifies HTTP Digest Access authentication.
  86         @constant kSecAuthenticationTypeHTMLForm Specifies HTML form based authentication.
  87         @constant kSecAuthenticationTypeDefault Specifies the default authentication type.
  88         @constant kSecAuthenticationTypeAny Specifies that any authentication type is acceptable. When performing a search, use this constant to avoid constraining your search results to a particular authentication type.
  89 */
  90 #ifdef __LITTLE_ENDIAN__
  91 #define AUTH_TYPE_FIX_(x) OSSwapConstInt32(x)
  92 #else
  93 #define AUTH_TYPE_FIX_(x) (x)
  94 #endif
  95
  96 typedef CF_ENUM(FourCharCode, SecAuthenticationType)
  97 {
  98     kSecAuthenticationTypeNTLM             = AUTH_TYPE_FIX_ ('ntlm'),
  99     kSecAuthenticationTypeMSN              = AUTH_TYPE_FIX_ ('msna'),
 100     kSecAuthenticationTypeDPA              = AUTH_TYPE_FIX_ ('dpaa'),
 101     kSecAuthenticationTypeRPA              = AUTH_TYPE_FIX_ ('rpaa'),
 102     kSecAuthenticationTypeHTTPBasic        = AUTH_TYPE_FIX_ ('http'),
 103     kSecAuthenticationTypeHTTPDigest       = AUTH_TYPE_FIX_ ('httd'),
 104     kSecAuthenticationTypeHTMLForm         = AUTH_TYPE_FIX_ ('form'),
 105     kSecAuthenticationTypeDefault          = AUTH_TYPE_FIX_ ('dflt'),
 106     kSecAuthenticationTypeAny              = AUTH_TYPE_FIX_ ( 0 )
 107 };
 108
 109 /*!
 110         @enum ProtocolTypeConstants
 111         @abstract Defines the protocol type associated with an AppleShare or Internet password.
 112         @constant kSecProtocolTypeFTP Indicates FTP.
 113         @constant kSecProtocolTypeFTPAccount Indicates FTP Account (client side), usage deprecated.
 114         @constant kSecProtocolTypeHTTP Indicates HTTP.
 115         @constant kSecProtocolTypeIRC Indicates IRC.
 116         @constant kSecProtocolTypeNNTP Indicates NNTP.
 117         @constant kSecProtocolTypePOP3 Indicates POP3.
 118         @constant kSecProtocolTypeSMTP Indicates SMTP.
 119         @constant kSecProtocolTypeSOCKS Indicates SOCKS.
 120         @constant kSecProtocolTypeIMAP Indicates IMAP.
 121         @constant kSecProtocolTypeLDAP Indicates LDAP.
 122         @constant kSecProtocolTypeAppleTalk Indicates AFP over AppleTalk.
 123         @constant kSecProtocolTypeAFP Indicates AFP over TCP.
 124         @constant kSecProtocolTypeTelnet Indicates Telnet.
 125         @constant kSecProtocolTypeSSH Indicates SSH.
 126         @constant kSecProtocolTypeFTPS Indicates FTPS (FTP over TLS/SSL).
 127         @constant kSecProtocolTypeHTTPS Indicates HTTPS (HTTP over TLS/SSL).
 128         @constant kSecProtocolTypeHTTPProxy Indicates HTTP proxy.
 129         @constant kSecProtocolTypeHTTPSProxy Indicates HTTPS proxy.
 130         @constant kSecProtocolTypeFTPProxy Indicates FTP proxy.
 131         @constant kSecProtocolTypeSMB Indicates SMB.
 132         @constant kSecProtocolTypeRTSP Indicates RTSP.
 133         @constant kSecProtocolTypeRTSPProxy Indicates RTSP proxy.
 134         @constant kSecProtocolTypeDAAP Indicates DAAP.
 135         @constant kSecProtocolTypeEPPC Indicates EPPC (Remote Apple Events).
 136         @constant kSecProtocolTypeIPP Indicates IPP.
 137         @constant kSecProtocolTypeNNTPS Indicates NNTPS (NNTP over TLS/SSL).
 138         @constant kSecProtocolTypeLDAPS Indicates LDAPS (LDAP over TLS/SSL).
 139         @constant kSecProtocolTypeTelnetS Indicates Telnet over TLS/SSL.
 140         @constant kSecProtocolTypeIMAPS Indicates IMAPS (IMAP4 over TLS/SSL).
 141         @constant kSecProtocolTypeIRCS Indicates IRCS (IRC over TLS/SSL).
 142         @constant kSecProtocolTypePOP3S Indicates POP3S (POP3 over TLS/SSL).
 143         @constant kSecProtocolTypeCVSpserver Indicates CVS pserver.
 144         @constant kSecProtocolTypeSVN Indicates Subversion.
 145         @constant kSecProtocolTypeAny Indicates that any protocol is acceptable. When performing a search, use this constant to avoid constraining your search results to a particular protocol.
 146 */
 147 typedef CF_ENUM(FourCharCode, SecProtocolType)
 148 {
 149     kSecProtocolTypeFTP         = 'ftp ',
 150     kSecProtocolTypeFTPAccount  = 'ftpa',
 151     kSecProtocolTypeHTTP        = 'http',
 152     kSecProtocolTypeIRC         = 'irc ',
 153     kSecProtocolTypeNNTP        = 'nntp',
 154     kSecProtocolTypePOP3        = 'pop3',
 155     kSecProtocolTypeSMTP        = 'smtp',
 156     kSecProtocolTypeSOCKS       = 'sox ',
 157     kSecProtocolTypeIMAP        = 'imap',
 158     kSecProtocolTypeLDAP        = 'ldap',
 159     kSecProtocolTypeAppleTalk   = 'atlk',
 160     kSecProtocolTypeAFP         = 'afp ',
 161     kSecProtocolTypeTelnet      = 'teln',
 162     kSecProtocolTypeSSH         = 'ssh ',
 163     kSecProtocolTypeFTPS        = 'ftps',
 164     kSecProtocolTypeHTTPS       = 'htps',
 165     kSecProtocolTypeHTTPProxy   = 'htpx',
 166     kSecProtocolTypeHTTPSProxy  = 'htsx',
 167     kSecProtocolTypeFTPProxy    = 'ftpx',
 168     kSecProtocolTypeCIFS        = 'cifs',
 169     kSecProtocolTypeSMB         = 'smb ',
 170     kSecProtocolTypeRTSP        = 'rtsp',
 171     kSecProtocolTypeRTSPProxy   = 'rtsx',
 172     kSecProtocolTypeDAAP        = 'daap',
 173     kSecProtocolTypeEPPC        = 'eppc',
 174     kSecProtocolTypeIPP         = 'ipp ',
 175     kSecProtocolTypeNNTPS       = 'ntps',
 176     kSecProtocolTypeLDAPS       = 'ldps',
 177     kSecProtocolTypeTelnetS     = 'tels',
 178     kSecProtocolTypeIMAPS       = 'imps',
 179     kSecProtocolTypeIRCS        = 'ircs',
 180     kSecProtocolTypePOP3S       = 'pops',
 181     kSecProtocolTypeCVSpserver  = 'cvsp',
 182     kSecProtocolTypeSVN         = 'svn ',
 183     kSecProtocolTypeAny         =  0
 184 };
 185
 186 /*!
 187         @enum KeychainEventConstants
 188         @abstract Defines the keychain-related event.
 189         @constant kSecLockEvent Indicates a keychain was locked.
 190         @constant kSecUnlockEvent Indicates a keychain was unlocked.
 191         @constant kSecAddEvent Indicates an item was added to a keychain.
 192         @constant kSecDeleteEvent Indicates an item was deleted from a keychain.
 193         @constant kSecUpdateEvent Indicates a keychain item was updated.
 194         @constant kSecPasswordChangedEvent Indicates the keychain password was changed.
 195         @constant kSecDefaultChangedEvent Indicates that a different keychain was specified as the default.
 196         @constant kSecDataAccessEvent Indicates a process has accessed a keychain item's data.
 197         @constant kSecKeychainListChangedEvent Indicates the list of keychains has changed.
 198         @constant kSecTrustSettingsChangedEvent Indicates Trust Settings changed.
 199 */
 200 typedef CF_ENUM(UInt32, SecKeychainEvent)
 201 {
 202     kSecLockEvent                 = 1,
 203     kSecUnlockEvent               = 2,
 204     kSecAddEvent                  = 3,
 205     kSecDeleteEvent               = 4,
 206     kSecUpdateEvent               = 5,
 207     kSecPasswordChangedEvent      = 6,
 208     kSecDefaultChangedEvent       = 9,
 209     kSecDataAccessEvent           = 10,
 210     kSecKeychainListChangedEvent  = 11,
 211         kSecTrustSettingsChangedEvent = 12
 212 };
 213
 214 /*!
 215         @enum KeychainEventConstants
 216         @abstract Defines keychain event constants
 217         @constant kSecLockEventMask If the bit specified by this mask is set, your callback function will be invoked when a keychain is locked.
 218         @constant kSecUnlockEventMask If the bit specified by this mask is set, your callback function will be invoked when a keychain is unlocked.
 219         @constant kSecAddEventMask If the bit specified by this mask is set, your callback function will be invoked when an item is added to a keychain.
 220         @constant kSecDeleteEventMask If the bit specified by this mask is set, your callback function will be invoked when an item is deleted from a keychain.
 221         @constant kSecUpdateEventMask If the bit specified by this mask is set, your callback function will be invoked when a keychain item is updated.
 222         @constant kSecPasswordChangedEventMask If the bit specified by this mask is set, your callback function will be invoked when the keychain password is changed.
 223         @constant kSecDefaultChangedEventMask If the bit specified by this mask is set, your callback function will be invoked when a different keychain is specified as the default.
 224         @constant kSecDataAccessEventMask If the bit specified by this mask is set, your callback function will be invoked when a process accesses a keychain item's data.
 225         @constant kSecTrustSettingsChangedEvent If the bit specified by this mask is set, your callback function will be invoked when there is a change in certificate Trust Settings.
 226         @constant kSecEveryEventMask If all the bits are set, your callback function will be invoked whenever any event occurs.
 227 */
 228 typedef CF_OPTIONS(UInt32, SecKeychainEventMask)
 229 {
 230     kSecLockEventMask                           = 1 << kSecLockEvent,
 231     kSecUnlockEventMask                         = 1 << kSecUnlockEvent,
 232     kSecAddEventMask                            = 1 << kSecAddEvent,
 233     kSecDeleteEventMask                         = 1 << kSecDeleteEvent,
 234     kSecUpdateEventMask                         = 1 << kSecUpdateEvent,
 235     kSecPasswordChangedEventMask                = 1 << kSecPasswordChangedEvent,
 236     kSecDefaultChangedEventMask                 = 1 << kSecDefaultChangedEvent,
 237     kSecDataAccessEventMask                     = 1 << kSecDataAccessEvent,
 238     kSecKeychainListChangedMask                 = 1 << kSecKeychainListChangedEvent,
 239         kSecTrustSettingsChangedEventMask       = 1 << kSecTrustSettingsChangedEvent,
 240     kSecEveryEventMask                          = 0xffffffff
 241 };
 242
 243 /*!
 244         @typedef SecKeychainCallbackInfo
 245         @abstract Contains information about a keychain event.
 246         @field version The version of this structure.
 247         @field item A reference to the keychain item associated with this event, if any. Note that some events do not involve a particular keychain item.
 248         @field keychain A reference to the keychain in which the event occurred.
 249         @field pid The id of the process that generated this event.
 250         @discussion The SecKeychainCallbackInfo type represents a structure that contains information about the keychain event for which your application is being notified. For information on how to write a keychain event callback function, see SecKeychainCallback.
 251 */
 252 struct SecKeychainCallbackInfo
 253 {
 254     UInt32                          version;
 255     SecKeychainItemRef __nonnull        item;
 256     SecKeychainRef __nonnull            keychain;
 257         pid_t                           pid;
 258 };
 259 typedef struct SecKeychainCallbackInfo SecKeychainCallbackInfo;
 260
 261 /*!
 262         @function SecKeychainGetTypeID
 263         @abstract Returns the type identifier of SecKeychain instances.
 264         @result The CFTypeID of SecKeychain instances.
 265 */
 266 CFTypeID SecKeychainGetTypeID(void);
 267
 268 /*!
 269         @function SecKeychainGetVersion
 270         @abstract Determines the version of the Keychain Manager installed on the userÕs system.
 271         @param returnVers On return, a pointer to the version number of the Keychain Manager installed on the current system.
 272         @result A result code.  See "Security Error Codes" (SecBase.h).
 273 */
 274 OSStatus SecKeychainGetVersion(UInt32 * __nonnull returnVers);
 275
 276 #pragma mark ---- Keychain Management ----
 277 /*!
 278     @function SecKeychainOpen
 279     @abstract Create a SecKeychainRef for a keychain at pathName.  This keychain might
 280         not currently exist, use SecKeychainGetStatus if you want to confirm the existence
 281         of this keychain.
 282         @param pathName The POSIX path to a keychain.
 283     @param keychain On return, a pointer to the keychain reference. The memory that keychain occupies must be released by calling CFRelease when finished with it.
 284         @result A result code.  See "Security Error Codes" (SecBase.h). In addition, errSecParam (-50) may be returned if the keychain parameter is invalid (NULL).
 285 */
 286 OSStatus SecKeychainOpen(const char *pathName, SecKeychainRef * __nonnull CF_RETURNS_RETAINED keychain);
 287
 288 /*!
 289         @function SecKeychainCreate
 290     @abstract Creates a new keychain.
 291     @param pathName The POSIX path to a keychain file.
 292     @param passwordLength An unsigned 32-bit integer representing the length of the password buffer.
 293     @param password A pointer to the buffer containing the password. The password must be in canonical UTF8 encoding.
 294         @param promptUser A boolean representing whether to display a password dialog to the user.
 295         @param initialAccess An access reference.
 296     @param keychain On return, a pointer to a keychain reference. The memory that keychain occupies must be released by calling CFRelease when finished with it.
 297         @result A result code.  See "Security Error Codes" (SecBase.h). In addition, errSecParam (-50) may be returned if the keychain parameter is invalid (NULL).
 298 */
 299 OSStatus SecKeychainCreate(const char *pathName, UInt32 passwordLength, const void * __nullable password, Boolean promptUser, SecAccessRef __nullable initialAccess, SecKeychainRef * __nonnull CF_RETURNS_RETAINED keychain);
 300
 301 /*!
 302         @function SecKeychainDelete
 303     @abstract Removes one or more keychains from the current keychain searchlist, and deletes the keychain storage (if the keychains are file-based).
 304     @param keychainOrArray A single keychain reference or a reference to an array of keychains to delete. IMPORTANT: SecKeychainDelete does not dispose the memory occupied by keychain references; use the CFRelease function when you are completely finished with a keychain.
 305         @result A result code.  See "Security Error Codes" (SecBase.h). In addition, errSecInvalidKeychain (-25295) may be returned if the keychain parameter is invalid (NULL).
 306 */
 307 OSStatus SecKeychainDelete(SecKeychainRef __nullable keychainOrArray);
 308
 309 /*!
 310         @function SecKeychainSetSettings
 311         @abstract Changes the settings of a keychain.
 312     @param keychain A reference to a keychain.
 313         @param newSettings A pointer to the new keychain settings.
 314         @result A result code.  See "Security Error Codes" (SecBase.h).
 315 */
 316 OSStatus SecKeychainSetSettings(SecKeychainRef __nullable keychain, const SecKeychainSettings *newSettings);
 317
 318 /*!
 319         @function SecKeychainCopySettings
 320         @abstract Copy the keychain settings.
 321     @param keychain A reference to the keychain from which to copy its settings.
 322     @param outSettings  A pointer to a keychain settings structure. Since this structure is versioned, you must preallocate it and fill in the version of the structure.
 323  @result A result code.  See "Security Error Codes" (SecBase.h).
 324 */
 325 OSStatus SecKeychainCopySettings(SecKeychainRef __nullable keychain, SecKeychainSettings *outSettings);
 326
 327 /*!
 328         @function SecKeychainUnlock
 329         @abstract Unlocks the specified keychain.
 330     @param keychain A reference to the keychain to unlock. Pass NULL to specify the default keychain. If you pass NULL and the default keychain is currently locked, the keychain will appear as the default choice. If you pass a locked keychain, SecKeychainUnlock will use the password provided to unlock it. If the default keychain is currently unlocked, SecKeychainUnlock returns errSecSuccess.
 331         @param passwordLength An unsigned 32-bit integer representing the length of the password buffer.
 332         @param password A buffer containing the password for the keychain. Pass NULL if the user password is unknown. In this case, SecKeychainUnlock displays the Unlock Keychain dialog box, and the authentication user interface associated with the keychain about to be unlocked.
 333         @param usePassword A boolean indicating whether the password parameter is used.  You should pass TRUE if it is used or FALSE if it is ignored.
 334         @result A result code.  See "Security Error Codes" (SecBase.h).
 335         @discussion In most cases, your application does not need to call the SecKeychainUnlock function directly, since most Keychain Manager functions that require an unlocked keychain call SecKeychainUnlock automatically. If your application needs to verify that a keychain is unlocked, call the function SecKeychainGetStatus.
 336 */
 337 OSStatus SecKeychainUnlock(SecKeychainRef __nullable keychain, UInt32 passwordLength, const void * __nullable password, Boolean usePassword);
 338
 339 /*!
 340         @function SecKeychainLock
 341         @abstract Locks the specified keychain.
 342     @param keychain A reference to the keychain to lock.
 343         @result A result code.  See "Security Error Codes" (SecBase.h).
 344 */
 345 OSStatus SecKeychainLock(SecKeychainRef __nullable keychain);
 346
 347 /*!
 348         @function SecKeychainLockAll
 349         @abstract Locks all keychains belonging to the current user.
 350         @result A result code.  See "Security Error Codes" (SecBase.h).
 351 */
 352 OSStatus SecKeychainLockAll(void);
 353
 354 /*!
 355         @function SecKeychainCopyDefault
 356         @abstract Retrieves a reference to the default keychain.
 357         @param keychain On return, a pointer to the default keychain reference.
 358         @result A result code.  See "Security Error Codes" (SecBase.h).
 359 */
 360 OSStatus SecKeychainCopyDefault(SecKeychainRef * __nonnull CF_RETURNS_RETAINED keychain);
 361
 362 /*!
 363         @function SecKeychainSetDefault
 364         @abstract Sets the default keychain.
 365         @param keychain A reference to the keychain to set as default.
 366         @result A result code.  See "Security Error Codes" (SecBase.h). In addition, errSecParam (-50) may be returned if the keychain parameter is invalid (NULL).
 367 */
 368 OSStatus SecKeychainSetDefault(SecKeychainRef __nullable keychain);
 369
 370 /*!
 371         @function SecKeychainCopySearchList
 372         @abstract Retrieves a keychain search list.
 373         @param searchList The returned list of keychains to search. When finished with the array, you must call CFRelease() to release the memory.
 374         @result A result code.  See "Security Error Codes" (SecBase.h). In addition, errSecParam (-50) may be returned if the keychain list is not specified (NULL).
 375 */
 376 OSStatus SecKeychainCopySearchList(CFArrayRef * __nonnull CF_RETURNS_RETAINED searchList);
 377
 378 /*!
 379         @function SecKeychainSetSearchList
 380         @abstract Specifies the list of keychains to use in a keychain search list.
 381         @param searchList The list of keychains to use in a search list when the SecKeychainCopySearchList function is called. An empty array clears the search list.
 382         @result A result code.  See "Security Error Codes" (SecBase.h). In addition, errSecParam (-50) may be returned if the keychain list is not specified (NULL).
 383 */
 384 OSStatus SecKeychainSetSearchList(CFArrayRef searchList);
 385
 386
 387 /*
 388  *      New versions of {Copy,Get}{SearchList,Default} that address multiple preference domains.
 389  *      These calls subsume the old forms with domain == kPreferenceDomainUser.
 390  */
 391 typedef CF_ENUM(int, SecPreferencesDomain) {
 392         kSecPreferencesDomainUser,                      /* user domain */
 393         kSecPreferencesDomainSystem,            /* system (daemon) domain */
 394         kSecPreferencesDomainCommon,            /* preferences to be merged to everyone */
 395         kSecPreferencesDomainDynamic            /* dynamic searchlist (typically removable keychains like smartcards) */
 396 };
 397
 398 OSStatus SecKeychainCopyDomainDefault(SecPreferencesDomain domain, SecKeychainRef * __nonnull CF_RETURNS_RETAINED keychain);
 399 OSStatus SecKeychainSetDomainDefault(SecPreferencesDomain domain, SecKeychainRef __nullable keychain);
 400 OSStatus SecKeychainCopyDomainSearchList(SecPreferencesDomain domain, CFArrayRef * __nonnull CF_RETURNS_RETAINED searchList);
 401 OSStatus SecKeychainSetDomainSearchList(SecPreferencesDomain domain, CFArrayRef searchList);
 402 OSStatus SecKeychainSetPreferenceDomain(SecPreferencesDomain domain);
 403 OSStatus SecKeychainGetPreferenceDomain(SecPreferencesDomain *domain);
 404
 405
 406 /*!
 407         @function SecKeychainGetStatus
 408         @abstract Retrieves status information for the specified keychain.
 409         @param keychain A keychain reference. Pass NULL to specify the default keychain.
 410         @param keychainStatus On return, a pointer to the status of the specified keychain.  See KeychainStatus for valid status constants.
 411     @result A result code.  See "Security Error Codes" (SecBase.h).
 412 */
 413 OSStatus SecKeychainGetStatus(SecKeychainRef __nullable keychain, SecKeychainStatus *keychainStatus);
 414
 415 /*!
 416         @function SecKeychainGetPath
 417         @abstract Get the path of the specified keychain.
 418     @param keychain A reference to a keychain.
 419     @param ioPathLength On input, a pointer to the size or the buffer pointed to by pathName. On return, the size of the buffer without the zero termination.
 420         @param pathName On return, the POSIX path to the keychain.
 421     @result A result code.  See "Security Error Codes" (SecBase.h).
 422 */
 423 OSStatus SecKeychainGetPath(SecKeychainRef __nullable keychain, UInt32 *ioPathLength, char *pathName);
 424
 425 #pragma mark ---- Keychain Item Attribute Information ----
 426 /*!
 427         @function SecKeychainAttributeInfoForItemID
 428         @abstract Obtains tags for all possible attributes for a given item class.
 429     @param keychain A keychain reference.
 430         @param itemID The relation identifier of the item tags (an itemID is a CSSM_DB_RECORDTYPE defined in cssmapple.h).
 431         @param info On return, a pointer to the keychain attribute information. User should call the SecKeychainFreeAttributeInfo function to release the structure when done with it.
 432     @result A result code.  See "Security Error Codes" (SecBase.h). In addition, errSecParam (-50) may be returned if not enough valid parameters were supplied (NULL).
 433         @discussion Warning, this call returns more attributes than are support by the old style Keychain API and passing them into older calls will yield an invalid attribute error. The recommended call to retrieve the attribute values is the SecKeychainItemCopyAttributesAndData function.
 434 */
 435 OSStatus SecKeychainAttributeInfoForItemID(SecKeychainRef __nullable keychain,  UInt32 itemID, SecKeychainAttributeInfo * __nullable * __nonnull info);
 436
 437 /*!
 438         @function SecKeychainFreeAttributeInfo
 439         @abstract Releases the memory acquired by calling the SecKeychainAttributeInfoForItemID function.
 440         @param info A pointer to the keychain attribute information to release.
 441     @result A result code.  See "Security Error Codes" (SecBase.h). In addition, errSecParam (-50) may be returned if not enough valid parameters were supplied (NULL).
 442 */
 443 OSStatus SecKeychainFreeAttributeInfo(SecKeychainAttributeInfo *info);
 444
 445 #pragma mark ---- Keychain Manager Callbacks ----
 446
 447 /*!
 448         @typedef SecKeychainCallback
 449         @abstract Defines a pointer to a customized callback function.  You supply the customized callback function to do a callback tailored to your application's needs.
 450         @param keychainEvent The keychain event that your application wishes to be notified of. See SecKeychainEvent for a description of possible values. The type of event that can trigger your callback depends on the bit mask you passed in the eventMask parameter of the function SecKeychainAddCallback. For more information, see the discussion.
 451         @param info A pointer to a structure of type SecKeychainCallbackInfo. On return, the structure contains information about the keychain event that occurred. The Keychain Manager passes this information to your callback function via the info parameter.
 452         @param context A pointer to application-defined storage that your application previously passed to the function SecKeychainAddCallback. You can use this value to perform operations like track which instance of a function is operating.
 453         @result A result code.  See "Security Error Codes" (SecBase.h).
 454         @discussion If you name your function MyKeychainEventCallback, you would declare it like this:
 455         OSStatus MyKeychainEventCallback (
 456                 SecKeychainEvent keychainEvent,
 457                 SecKeychainCallbackInfo *info,
 458                 void *context);
 459
 460         To add your callback function, use the SecKeychainAddCallback function.  To remove your callback function, use the SecKeychainRemoveCallback function.
 461 */
 462 typedef OSStatus (*SecKeychainCallback)(SecKeychainEvent keychainEvent, SecKeychainCallbackInfo *info, void * __nullable context);
 463
 464 /*!
 465         @function SecKeychainAddCallback
 466         @abstract Registers your keychain event callback function
 467         @param callbackFunction A pointer to your keychain event callback function, described in SecKeychainCallback. You indicate the type of keychain events you want to receive by passing a bit mask of the desired events in the eventMask parameter.
 468         @param eventMask A bit mask indicating the keychain events that your application wishes to be notified of. See SecKeychainEventMask for a description of this bit mask. The Keychain Manager tests this mask to determine the keychain events that you wish to receive, and passes these events in the keychainEvent parameter of your callback function. See SecKeychainEvent for a description of these events.
 469         @param userContext A pointer to application-defined storage that will be passed to your callback function. Your application can use this to associate any particular call of SecKeychainAddCallback with any particular call of your keychain event callback function.
 470     @result A result code.  See "Security Error Codes" (SecBase.h).
 471 */
 472 OSStatus SecKeychainAddCallback(SecKeychainCallback callbackFunction, SecKeychainEventMask eventMask, void * __nullable userContext);
 473
 474 /*!
 475         @function SecKeychainRemoveCallback
 476         @abstract Unregisters your keychain event callback function. Once removed, keychain events won't be sent to the owner of the callback.
 477         @param callbackFunction The callback function pointer to remove
 478         @result A result code.  See "Security Error Codes" (SecBase.h).
 479 */
 480 OSStatus SecKeychainRemoveCallback(SecKeychainCallback callbackFunction);
 481
 482 #pragma mark ---- High Level Keychain Manager Calls ----
 483 /*!
 484         @function SecKeychainAddInternetPassword
 485         @abstract Adds an Internet password to the specified keychain.
 486         @param keychain A reference to a keychain in which to store an Internet password. Pass NULL to specify the user's default keychain.
 487         @param serverNameLength The length of the buffer pointed to by serverName.
 488         @param serverName A pointer to a string containing the server name associated with this password.
 489         @param securityDomainLength The length of the buffer pointed to by securityDomain.
 490         @param securityDomain A pointer to a string containing the security domain associated with this password, or NULL if there is no relevant security domain.
 491         @param accountNameLength The length of the buffer pointed to by accountName.
 492         @param accountName A pointer to a string containing the account name associated with this password.
 493         @param pathLength The length of the buffer pointed to by path.
 494         @param path A pointer to a string containing the path associated with this password, or NULL if there is no relevant path string.
 495         @param port The TCP/IP port number. If no specific port number is associated with this item, pass 0.
 496         @param protocol The protocol associated with this password. See SecProtocolType for a description of possible values.
 497         @param authenticationType The authentication scheme used. See SecAuthenticationType for a description of possible values. Pass the constant kSecAuthenticationTypeDefault to specify the default authentication scheme.
 498         @param passwordLength The length of the buffer pointed to by passwordData.
 499         @param passwordData A pointer to a buffer containing the password data to be stored in the keychain.
 500         @param itemRef On return, a reference to the new keychain item.
 501         @result A result code.  See "Security Error Codes" (SecBase.h).
 502         @discussion The SecKeychainAddInternetPassword function adds a new Internet server password to the specified keychain. Required parameters to identify the password are serverName and accountName (you cannot pass NULL for both parameters). In addition, some protocols may require an optional securityDomain when authentication is requested. SecKeychainAddInternetPassword optionally returns a reference to the newly added item.
 503 */
 504 OSStatus SecKeychainAddInternetPassword(SecKeychainRef __nullable keychain, UInt32 serverNameLength, const char * __nullable serverName, UInt32 securityDomainLength, const char * __nullable securityDomain, UInt32 accountNameLength, const char * __nullable accountName, UInt32 pathLength, const char * __nullable path, UInt16 port, SecProtocolType protocol, SecAuthenticationType authenticationType, UInt32 passwordLength, const void *passwordData, SecKeychainItemRef * __nullable CF_RETURNS_RETAINED itemRef);
 505
 506 /*!
 507         @function SecKeychainFindInternetPassword
 508         @abstract Finds an Internet password based on the attributes passed.
 509     @param keychainOrArray A reference to an array of keychains to search, a single keychain, or NULL to search the user's default keychain search list.
 510         @param serverNameLength The length of the buffer pointed to by serverName.
 511         @param serverName A pointer to a string containing the server name.
 512         @param securityDomainLength The length of the buffer pointed to by securityDomain.
 513         @param securityDomain A pointer to a string containing the security domain. This parameter is optional, as not all protocols will require it.
 514         @param accountNameLength The length of the buffer pointed to by accountName.
 515         @param accountName A pointer to a string containing the account name.
 516         @param pathLength The length of the buffer pointed to by path.
 517         @param path A pointer to a string containing the path.
 518         @param port The TCP/IP port number. Pass 0 to ignore the port number.
 519         @param protocol The protocol associated with this password. See SecProtocolType for a description of possible values.
 520         @param authenticationType The authentication scheme used. See SecAuthenticationType for a description of possible values. Pass the constant kSecAuthenticationTypeDefault to specify the default authentication scheme.
 521         @param passwordLength On return, the length of the buffer pointed to by passwordData.
 522         @param passwordData On return, a pointer to a data buffer containing the password. Your application must call SecKeychainItemFreeContent(NULL, passwordData) to release this data buffer when it is no longer needed. Pass NULL if you are not interested in retrieving the password data at this time, but simply want to find the item reference.
 523         @param itemRef On return, a reference to the keychain item which was found.
 524         @result A result code.  See "Security Error Codes" (SecBase.h).
 525         @discussion The SecKeychainFindInternetPassword function finds the first Internet password item which matches the attributes you provide. Most attributes are optional; you should pass only as many as you need to narrow the search sufficiently for your application's intended use. SecKeychainFindInternetPassword optionally returns a reference to the found item.
 526 */
 527 OSStatus SecKeychainFindInternetPassword(CFTypeRef __nullable keychainOrArray, UInt32 serverNameLength, const char * __nullable serverName, UInt32 securityDomainLength, const char * __nullable securityDomain, UInt32 accountNameLength, const char * __nullable accountName, UInt32 pathLength, const char * __nullable path, UInt16 port, SecProtocolType protocol, SecAuthenticationType authenticationType, UInt32 * __nullable passwordLength, void * __nullable * __nullable passwordData, SecKeychainItemRef * __nullable CF_RETURNS_RETAINED itemRef);
 528
 529 /*!
 530         @function SecKeychainAddGenericPassword
 531         @abstract Adds a generic password to the specified keychain.
 532         @param keychain A reference to the keychain in which to store a generic password. Pass NULL to specify the user's default keychain.
 533         @param serviceNameLength The length of the buffer pointed to by serviceName.
 534         @param serviceName A pointer to a string containing the service name associated with this password.
 535         @param accountNameLength The length of the buffer pointed to by accountName.
 536         @param accountName A pointer to a string containing the account name associated with this password.
 537         @param passwordLength The length of the buffer pointed to by passwordData.
 538         @param passwordData A pointer to a buffer containing the password data to be stored in the keychain.
 539         @param itemRef On return, a reference to the new keychain item.
 540         @result A result code. See "Security Error Codes" (SecBase.h).
 541         @discussion The SecKeychainAddGenericPassword function adds a new generic password to the default keychain. Required parameters to identify the password are serviceName and accountName, which are application-defined strings. SecKeychainAddGenericPassword optionally returns a reference to the newly added item.
 542 */
 543 OSStatus SecKeychainAddGenericPassword(SecKeychainRef __nullable keychain, UInt32 serviceNameLength, const char * __nullable serviceName, UInt32 accountNameLength, const char * __nullable accountName, UInt32 passwordLength, const void *passwordData, SecKeychainItemRef * __nullable CF_RETURNS_RETAINED itemRef);
 544
 545 /*!
 546         @function SecKeychainFindGenericPassword
 547         @abstract Find a generic password based on the attributes passed.
 548     @param keychainOrArray A reference to an array of keychains to search, a single keychain, or NULL to search the user's default keychain search list.
 549         @param serviceNameLength The length of the buffer pointed to by serviceName.
 550         @param serviceName A pointer to a string containing the service name.
 551         @param accountNameLength The length of the buffer pointed to by accountName.
 552         @param accountName A pointer to a string containing the account name.
 553         @param passwordLength On return, the length of the buffer pointed to by passwordData.
 554         @param passwordData On return, a pointer to a data buffer containing the password. Your application must call SecKeychainItemFreeContent(NULL, passwordData) to release this data buffer when it is no longer needed. Pass NULL if you are not interested in retrieving the password data at this time, but simply want to find the item reference.
 555         @param itemRef On return, a reference to the keychain item which was found.
 556         @result A result code.  See "Security Error Codes" (SecBase.h).
 557         @discussion The SecKeychainFindGenericPassword function finds the first generic password item which matches the attributes you provide. Most attributes are optional; you should pass only as many as you need to narrow the search sufficiently for your application's intended use. SecKeychainFindGenericPassword optionally returns a reference to the found item.
 558 */
 559 OSStatus SecKeychainFindGenericPassword(CFTypeRef __nullable keychainOrArray,  UInt32 serviceNameLength, const char * __nullable serviceName, UInt32 accountNameLength, const char * __nullable accountName, UInt32 * __nullable passwordLength, void * __nullable * __nullable passwordData, SecKeychainItemRef * __nullable CF_RETURNS_RETAINED itemRef);
 560
 561 #pragma mark ---- Managing User Interaction ----
 562 /*!
 563         @function SecKeychainSetUserInteractionAllowed
 564         @abstract Turns on or off any optional user interaction
 565         @param state A boolean representing the state of user interaction.  You should pass TRUE to allow user interaction, and FALSE to disallow user interaction
 566         @result A result code.  See "Security Error Codes" (SecBase.h).
 567 */
 568 OSStatus SecKeychainSetUserInteractionAllowed(Boolean state);
 569
 570 /*!
 571         @function SecKeychainGetUserInteractionAllowed
 572         @abstract Retrieves the current state of user interaction.
 573         @param state On return, a pointer to the current state of user interaction.  If this is TRUE then user interaction is allowed, if it is FALSE, then user interaction is not allowed.
 574         @result A result code.  See "Security Error Codes" (SecBase.h).
 575 */
 576 OSStatus SecKeychainGetUserInteractionAllowed(Boolean *state);
 577
 578 #pragma mark ---- CSSM Bridge Functions ----
 579 /*!
 580         @function SecKeychainGetCSPHandle
 581         @abstract Returns the CSSM_CSP_HANDLE attachment for the given keychain reference. The handle is valid until the keychain reference is released.
 582     @param keychain A keychain reference.
 583     @param cspHandle On return, a pointer to the CSSM_CSP_HANDLE for the given keychain.
 584     @result A result code.  See "Security Error Codes" (SecBase.h).
 585         @discussion This API is deprecated for 10.7. It should nho longer be needed.
 586 */
 587 OSStatus SecKeychainGetCSPHandle(SecKeychainRef __nullable keychain, CSSM_CSP_HANDLE *cspHandle)
 588         DEPRECATED_IN_MAC_OS_X_VERSION_10_7_AND_LATER;
 589
 590 /*!
 591         @function SecKeychainGetDLDBHandle
 592         @abstract Returns the CSSM_DL_DB_HANDLE for a given keychain reference. The handle is valid until the keychain reference is released.
 593     @param keychain A keychain reference.
 594     @param dldbHandle On return, a pointer to the CSSM_DL_DB_HANDLE for the given keychain.
 595     @result A result code.  See "Security Error Codes" (SecBase.h).
 596         @discussion This API is deprecated for 10.7. It should nho longer be needed.
 597 */
 598 OSStatus SecKeychainGetDLDBHandle(SecKeychainRef __nullable keychain, CSSM_DL_DB_HANDLE *dldbHandle)
 599         DEPRECATED_IN_MAC_OS_X_VERSION_10_7_AND_LATER;
 600
 601 #pragma mark ---- Keychain Access Management ----
 602 /*!
 603         @function SecKeychainCopyAccess
 604         @abstract Retrieves the access for a keychain.
 605         @param keychain A reference to the keychain from which to copy the access.
 606     @param accessRef On return, a pointer to the access reference.
 607     @result A result code.  See "Security Error Codes" (SecBase.h).
 608 */
 609 OSStatus SecKeychainCopyAccess(SecKeychainRef __nullable keychain, SecAccessRef * __nonnull CF_RETURNS_RETAINED access);
 610
 611 /*!
 612         @function SecKeychainSetAccess
 613         @abstract Sets the access for a keychain.
 614     @param keychain A reference to the keychain for which to set the access.
 615     @param accessRef An access reference.
 616     @result A result code.  See "Security Error Codes" (SecBase.h).
 617 */
 618 OSStatus SecKeychainSetAccess(SecKeychainRef __nullable keychain, SecAccessRef access);
 619
 620 CF_ASSUME_NONNULL_END
 621
 622 #if defined(__cplusplus)
 623 }
 624 #endif
 625
 626 #endif /* !_SECURITY_SECKEYCHAIN_H_ */