/*
- * TLS support code for CUPS on OS X.
+ * TLS support code for CUPS on macOS.
*
- * Copyright 2007-2016 by Apple Inc.
+ * Copyright 2007-2017 by Apple Inc.
* Copyright 1997-2007 by Easy Software Products, all rights reserved.
*
- * These coded instructions, statements, and computer programs are the
- * property of Apple Inc. and are protected by Federal copyright
- * law. Distribution and use rights are outlined in the file "LICENSE.txt"
- * which should have been included with this file. If this file is
- * file is missing or damaged, see the license at "http://www.cups.org/".
- *
- * This file is subject to the Apple OS-Developed Software exception.
+ * Licensed under Apache License v2.0. See the file "LICENSE" for more information.
*/
/**** This file is included from tls.c ****/
#include <spawn.h>
-extern char **environ;
+extern char **environ; /* @private@ */
+
+
+/*
+ * Constants, very secure stuff...
+ */
+
+#define _CUPS_CDSA_PASSWORD "42" /* CUPS keychain password */
+#define _CUPS_CDSA_PASSLEN 2 /* Length of keychain password */
/*
static char *tls_common_name = NULL;
/* Default common name */
#ifdef HAVE_SECKEYCHAINOPEN
+static int tls_cups_keychain = 0;
+ /* Opened the CUPS keychain? */
static SecKeychainRef tls_keychain = NULL;
/* Server cert keychain */
+#else
+static SecIdentityRef tls_selfsigned = NULL;
+ /* Temporary self-signed cert */
#endif /* HAVE_SECKEYCHAINOPEN */
static char *tls_keypath = NULL;
/* Server cert keychain path */
static _cups_mutex_t tls_mutex = _CUPS_MUTEX_INITIALIZER;
/* Mutex for keychain/certs */
-static int tls_options = -1;/* Options for TLS connections */
+static int tls_options = -1,/* Options for TLS connections */
+ tls_min_version = _HTTP_TLS_1_0,
+ tls_max_version = _HTTP_TLS_MAX;
/*
static SecCertificateRef http_cdsa_create_credential(http_credential_t *credential);
#ifdef HAVE_SECKEYCHAINOPEN
static const char *http_cdsa_default_path(char *buffer, size_t bufsize);
+static SecKeychainRef http_cdsa_open_keychain(const char *path, char *filename, size_t filesize);
+static SecKeychainRef http_cdsa_open_system_keychain(void);
#endif /* HAVE_SECKEYCHAINOPEN */
static OSStatus http_cdsa_read(SSLConnectionRef connection, void *data, size_t *dataLength);
static int http_cdsa_set_credentials(http_t *http);
return (0);
}
+ if (tls_selfsigned)
+ {
+ DEBUG_puts("1cupsMakeServerCredentials: Using existing self-signed cert.");
+ return (1);
+ }
+
cfcommon_name = CFStringCreateWithCString(kCFAllocatorDefault, common_name, kCFStringEncodingUTF8);
if (!cfcommon_name)
+ {
+ DEBUG_puts("1cupsMakeServerCredentials: Unable to create CF string of common name.");
goto cleanup;
+ }
/*
* Create a public/private key pair...
keyParams = CFDictionaryCreateMutable(kCFAllocatorDefault, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
if (!keyParams)
+ {
+ DEBUG_puts("1cupsMakeServerCredentials: Unable to create key parameters dictionary.");
goto cleanup;
+ }
CFDictionaryAddValue(keyParams, kSecAttrKeyType, kSecAttrKeyTypeRSA);
CFDictionaryAddValue(keyParams, kSecAttrKeySizeInBits, CFSTR("2048"));
- CFDictionaryAddValue(keyParams, kSecAttrLabel, CFSTR("CUPS Self-Signed Certificate"));
+ CFDictionaryAddValue(keyParams, kSecAttrLabel, cfcommon_name);
err = SecKeyGeneratePair(keyParams, &publicKey, &privateKey);
if (err != noErr)
+ {
+ DEBUG_printf(("1cupsMakeServerCredentials: Unable to generate key pair: %d.", (int)err));
goto cleanup;
+ }
/*
* Create a self-signed certificate using the public/private key pair...
CFRelease(certParams);
if (!cert)
+ {
+ DEBUG_puts("1cupsMakeServerCredentials: Unable to create self-signed certificate.");
goto cleanup;
+ }
ident = SecIdentityCreate(kCFAllocatorDefault, cert, privateKey);
if (ident)
{
+ _cupsMutexLock(&tls_mutex);
+
+ if (tls_selfsigned)
+ CFRelease(ident);
+ else
+ tls_selfsigned = ident;
+
+ _cupsMutexLock(&tls_mutex);
+
+# if 0 /* Someday perhaps SecItemCopyMatching will work for identities, at which point */
CFTypeRef itemKeys[] = { kSecClass, kSecAttrLabel, kSecValueRef };
CFTypeRef itemValues[] = { kSecClassIdentity, cfcommon_name, ident };
CFDictionaryRef itemAttrs = CFDictionaryCreate(kCFAllocatorDefault, itemKeys, itemValues, sizeof(itemKeys) / sizeof(itemKeys[0]), &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
err = SecItemAdd(itemAttrs, NULL);
/* SecItemAdd consumes itemAttrs... */
+ CFRelease(ident);
+
if (err != noErr)
+ {
+ DEBUG_printf(("1cupsMakeServerCredentials: Unable to add identity to keychain: %d.", (int)err));
goto cleanup;
+ }
+# endif /* 0 */
status = 1;
}
+ else
+ DEBUG_puts("1cupsMakeServerCredentials: Unable to create identity from cert and keys.");
/*
* Cleanup and return...
if (keyParams)
CFRelease(keyParams);
- if (ident)
- CFRelease(ident);
-
if (cert)
CFRelease(cert);
CFRelease(publicKey);
if (privateKey)
- CFRelease(publicKey);
+ CFRelease(privateKey);
+
+ DEBUG_printf(("1cupsMakeServerCredentials: Returning %d.", status));
return (status);
* Note: The server credentials are used by all threads in the running process.
* This function is threadsafe.
*
- * @since CUPS 2.0/OS X 10.10@
+ * @since CUPS 2.0/macOS 10.10@
*/
int /* O - 1 on success, 0 on failure */
DEBUG_printf(("cupsSetServerCredentials(path=\"%s\", common_name=\"%s\", auto_create=%d)", path, common_name, auto_create));
#ifdef HAVE_SECKEYCHAINOPEN
- char filename[1024]; /* Filename for keychain */
- SecKeychainRef keychain = NULL;/* Temporary keychain */
- OSStatus status; /* Status code */
-
-
- if (!path)
- path = http_cdsa_default_path(filename, sizeof(filename));
+ char filename[1024]; /* Keychain filename */
+ SecKeychainRef keychain = http_cdsa_open_keychain(path, filename, sizeof(filename));
- if ((status = SecKeychainOpen(path, &keychain)) != noErr)
+ if (!keychain)
{
- /* TODO: Set cups last error string */
- DEBUG_printf(("1cupsSetServerCredentials: Unable to open keychain (%d), returning 0.", (int)status));
+ DEBUG_puts("1cupsSetServerCredentials: Unable to open keychain.");
return (0);
}
*/
tls_keychain = keychain;
- tls_keypath = _cupsStrAlloc(path);
+ tls_keypath = _cupsStrAlloc(filename);
tls_auto_create = auto_create;
tls_common_name = _cupsStrAlloc(common_name);
* 'httpCopyCredentials()' - Copy the credentials associated with the peer in
* an encrypted connection.
*
- * @since CUPS 1.5/OS X 10.7@
+ * @since CUPS 1.5/macOS 10.7@
*/
int /* O - Status of call (0 = success) */
/*
* 'httpCredentialsAreValidForName()' - Return whether the credentials are valid for the given name.
*
- * @since CUPS 2.0/OS X 10.10@
+ * @since CUPS 2.0/macOS 10.10@
*/
int /* O - 1 if valid, 0 otherwise */
/*
* 'httpCredentialsGetTrust()' - Return the trust of credentials.
*
- * @since CUPS 2.0/OS X 10.10@
+ * @since CUPS 2.0/macOS 10.10@
*/
http_trust_t /* O - Level of trust */
if (!common_name)
+ {
+ _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("No common name specified."), 1);
return (HTTP_TRUST_UNKNOWN);
+ }
if ((secCert = http_cdsa_create_credential((http_credential_t *)cupsArrayFirst(credentials))) == NULL)
+ {
+ _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Unable to create credentials from array."), 1);
return (HTTP_TRUST_UNKNOWN);
+ }
if (cg->any_root < 0)
_cupsSetDefaults();
* credentials and allow if the new ones have a later expiration...
*/
- if (httpCredentialsGetExpiration(credentials) <= httpCredentialsGetExpiration(tcreds) ||
- !httpCredentialsAreValidForName(credentials, common_name))
+ if (!cg->trust_first)
+ {
+ /*
+ * Do not trust certificates on first use...
+ */
+
+ _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Trust on first use is disabled."), 1);
+
+ trust = HTTP_TRUST_INVALID;
+ }
+ else if (httpCredentialsGetExpiration(credentials) <= httpCredentialsGetExpiration(tcreds))
+ {
+ /*
+ * The new credentials are not newly issued...
+ */
+
+ _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("New credentials are older than stored credentials."), 1);
+
+ trust = HTTP_TRUST_INVALID;
+ }
+ else if (!httpCredentialsAreValidForName(credentials, common_name))
{
/*
- * Either the new credentials are not newly issued, or the common name
- * does not match the issued certificate...
+ * The common name does not match the issued certificate...
*/
+ _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("New credentials are not valid for name."), 1);
+
trust = HTTP_TRUST_INVALID;
}
else if (httpCredentialsGetExpiration(tcreds) < time(NULL))
httpFreeCredentials(tcreds);
}
else if (cg->validate_certs && !httpCredentialsAreValidForName(credentials, common_name))
+ {
+ _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("No stored credentials, not valid for name."), 1);
trust = HTTP_TRUST_INVALID;
+ }
+ else if (!cg->trust_first)
+ {
+ /*
+ * See if we have a site CA certificate we can compare...
+ */
+
+ if (!httpLoadCredentials(NULL, &tcreds, "site"))
+ {
+ if (cupsArrayCount(credentials) != (cupsArrayCount(tcreds) + 1))
+ {
+ /*
+ * Certificate isn't directly generated from the CA cert...
+ */
+
+ trust = HTTP_TRUST_INVALID;
+ }
+ else
+ {
+ /*
+ * Do a tail comparison of the two certificates...
+ */
+
+ http_credential_t *a, *b; /* Certificates */
+
+ for (a = (http_credential_t *)cupsArrayFirst(tcreds), b = (http_credential_t *)cupsArrayIndex(credentials, 1);
+ a && b;
+ a = (http_credential_t *)cupsArrayNext(tcreds), b = (http_credential_t *)cupsArrayNext(credentials))
+ if (a->datalen != b->datalen || memcmp(a->data, b->data, a->datalen))
+ break;
+
+ if (a || b)
+ trust = HTTP_TRUST_INVALID;
+ }
- if (!cg->expired_certs && !SecCertificateIsValid(secCert, CFAbsoluteTimeGetCurrent()))
+ if (trust != HTTP_TRUST_OK)
+ _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Credentials do not validate against site CA certificate."), 1);
+ }
+ else
+ {
+ _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Trust on first use is disabled."), 1);
+ trust = HTTP_TRUST_INVALID;
+ }
+ }
+
+ if (trust == HTTP_TRUST_OK && !cg->expired_certs && !SecCertificateIsValid(secCert, CFAbsoluteTimeGetCurrent()))
+ {
+ _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Credentials have expired."), 1);
trust = HTTP_TRUST_EXPIRED;
- else if (!cg->any_root && cupsArrayCount(credentials) == 1)
+ }
+
+ if (trust == HTTP_TRUST_OK && !cg->any_root && cupsArrayCount(credentials) == 1)
+ {
+ _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Self-signed credentials are blocked."), 1);
trust = HTTP_TRUST_INVALID;
+ }
CFRelease(secCert);
/*
* 'httpCredentialsGetExpiration()' - Return the expiration date of the credentials.
*
- * @since CUPS 2.0/OS X 10.10@
+ * @since CUPS 2.0/macOS 10.10@
*/
time_t /* O - Expiration date of credentials */
/*
* 'httpCredentialsString()' - Return a string representing the credentials.
*
- * @since CUPS 2.0/OS X 10.10@
+ * @since CUPS 2.0/macOS 10.10@
*/
size_t /* O - Total size of credentials string */
CFStringRef cf_name; /* CF common name string */
char name[256]; /* Common name associated with cert */
time_t expiration; /* Expiration date of cert */
- _cups_md5_state_t md5_state; /* MD5 state */
unsigned char md5_digest[16]; /* MD5 result */
if ((cf_name = SecCertificateCopySubjectSummary(secCert)) != NULL)
expiration = (time_t)(SecCertificateNotValidAfter(secCert) + kCFAbsoluteTimeIntervalSince1970);
- _cupsMD5Init(&md5_state);
- _cupsMD5Append(&md5_state, first->data, (int)first->datalen);
- _cupsMD5Finish(&md5_state, md5_digest);
+ cupsHashData("md5", first->data, first->datalen, md5_digest, sizeof(md5_digest));
snprintf(buffer, bufsize, "%s / %s / %02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X", name, httpGetDateString(expiration), md5_digest[0], md5_digest[1], md5_digest[2], md5_digest[3], md5_digest[4], md5_digest[5], md5_digest[6], md5_digest[7], md5_digest[8], md5_digest[9], md5_digest[10], md5_digest[11], md5_digest[12], md5_digest[13], md5_digest[14], md5_digest[15]);
OSStatus err; /* Error info */
#ifdef HAVE_SECKEYCHAINOPEN
char filename[1024]; /* Filename for keychain */
- SecKeychainRef keychain = NULL;/* Keychain reference */
+ SecKeychainRef keychain = NULL,/* Keychain reference */
+ syschain = NULL;/* System keychain */
CFArrayRef list; /* Keychain list */
#endif /* HAVE_SECKEYCHAINOPEN */
SecCertificateRef cert = NULL; /* Certificate */
*credentials = NULL;
#ifdef HAVE_SECKEYCHAINOPEN
- if (!path)
- path = http_cdsa_default_path(filename, sizeof(filename));
+ keychain = http_cdsa_open_keychain(path, filename, sizeof(filename));
- if ((err = SecKeychainOpen(path, &keychain)) != noErr)
+ if (!keychain)
goto cleanup;
+ syschain = http_cdsa_open_system_keychain();
+
#else
if (path)
return (-1);
CFDictionaryAddValue(query, kSecMatchLimit, kSecMatchLimitOne);
#ifdef HAVE_SECKEYCHAINOPEN
- list = CFArrayCreate(kCFAllocatorDefault, (const void **)&keychain, 1, &kCFTypeArrayCallBacks);
+ if (syschain)
+ {
+ const void *values[2] = { syschain, keychain };
+
+ list = CFArrayCreate(kCFAllocatorDefault, (const void **)values, 2, &kCFTypeArrayCallBacks);
+ }
+ else
+ list = CFArrayCreate(kCFAllocatorDefault, (const void **)&keychain, 1, &kCFTypeArrayCallBacks);
CFDictionaryAddValue(query, kSecMatchSearchList, list);
CFRelease(list);
#endif /* HAVE_SECKEYCHAINOPEN */
#ifdef HAVE_SECKEYCHAINOPEN
if (keychain)
CFRelease(keychain);
+
+ if (syschain)
+ CFRelease(syschain);
#endif /* HAVE_SECKEYCHAINOPEN */
if (cert)
CFRelease(cert);
}
#ifdef HAVE_SECKEYCHAINOPEN
- if (!path)
- path = http_cdsa_default_path(filename, sizeof(filename));
+ keychain = http_cdsa_open_keychain(path, filename, sizeof(filename));
- if ((err = SecKeychainOpen(path, &keychain)) != noErr)
- {
- DEBUG_printf(("1httpSaveCredentials: SecKeychainOpen returned %d.", (int)err));
+ if (!keychain)
goto cleanup;
- }
#else
if (path)
*/
void
-_httpTLSSetOptions(int options) /* I - Options */
+_httpTLSSetOptions(int options, /* I - Options */
+ int min_version, /* I - Minimum TLS version */
+ int max_version) /* I - Maximum TLS version */
{
- tls_options = options;
+ if (!(options & _HTTP_TLS_SET_DEFAULT) || tls_options < 0)
+ {
+ tls_options = options;
+ tls_min_version = min_version;
+ tls_max_version = max_version;
+ }
}
{
DEBUG_puts("4_httpTLSStart: Setting defaults.");
_cupsSetDefaults();
- DEBUG_printf(("4_httpTLSStart: tls_options=%x", tls_options));
+ DEBUG_printf(("4_httpTLSStart: tls_options=%x, tls_min_version=%d, tls_max_version=%d", tls_options, tls_min_version, tls_max_version));
}
#ifdef HAVE_SECKEYCHAINOPEN
if (http->mode == _HTTP_MODE_SERVER && !tls_keychain)
-#else
- if (http->mode == _HTTP_MODE_SERVER)
-#endif /* HAVE_SECKEYCHAINOPEN */
{
DEBUG_puts("4_httpTLSStart: cupsSetServerCredentials not called.");
http->error = errno = EINVAL;
return (-1);
}
+#endif /* HAVE_SECKEYCHAINOPEN */
if ((http->tls = SSLCreateContext(kCFAllocatorDefault, http->mode == _HTTP_MODE_CLIENT ? kSSLClientSide : kSSLServerSide, kSSLStreamType)) == NULL)
{
if (!error)
{
- SSLProtocol minProtocol;
+ static const SSLProtocol protocols[] = /* Min/max protocol versions */
+ {
+ kSSLProtocol3,
+ kTLSProtocol1,
+ kTLSProtocol11,
+ kTLSProtocol12,
+ kTLSProtocol13,
+ kTLSProtocolMaxSupported
+ };
- if (tls_options & _HTTP_TLS_DENY_TLS10)
- minProtocol = kTLSProtocol11;
- else if (tls_options & _HTTP_TLS_ALLOW_SSL3)
- minProtocol = kSSLProtocol3;
- else
- minProtocol = kTLSProtocol1;
+ error = SSLSetProtocolVersionMin(http->tls, protocols[tls_min_version]);
+ DEBUG_printf(("4_httpTLSStart: SSLSetProtocolVersionMin(%d), error=%d", protocols[tls_min_version], (int)error));
- error = SSLSetProtocolVersionMin(http->tls, minProtocol);
- DEBUG_printf(("4_httpTLSStart: SSLSetProtocolVersionMin(%d), error=%d", minProtocol, (int)error));
+ if (!error)
+ {
+ error = SSLSetProtocolVersionMax(http->tls, protocols[tls_max_version]);
+ DEBUG_printf(("4_httpTLSStart: SSLSetProtocolVersionMax(%d), error=%d", protocols[tls_max_version], (int)error));
+ }
}
# if HAVE_SSLSETENABLEDCIPHERS
case TLS_DHE_RSA_WITH_AES_256_CBC_SHA :
case TLS_DH_DSS_WITH_3DES_EDE_CBC_SHA :
case TLS_DH_RSA_WITH_3DES_EDE_CBC_SHA :
-// case TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA :
case TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA :
case TLS_DH_DSS_WITH_AES_128_CBC_SHA256 :
case TLS_DH_RSA_WITH_AES_128_CBC_SHA256 :
case TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA :
case TLS_DHE_PSK_WITH_AES_128_CBC_SHA :
case TLS_DHE_PSK_WITH_AES_256_CBC_SHA :
+ case TLS_DHE_PSK_WITH_AES_128_CBC_SHA256 :
+ case TLS_DHE_PSK_WITH_AES_256_CBC_SHA384 :
+ if (tls_options & _HTTP_TLS_DENY_CBC)
+ {
+ DEBUG_printf(("4_httpTLSStart: Excluding CBC cipher suite %d", supported[i]));
+ break;
+ }
+
// case TLS_DHE_RSA_WITH_AES_128_GCM_SHA256 :
// case TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 :
case TLS_DH_RSA_WITH_AES_128_GCM_SHA256 :
case TLS_DH_DSS_WITH_AES_256_GCM_SHA384 :
case TLS_DHE_PSK_WITH_AES_128_GCM_SHA256 :
case TLS_DHE_PSK_WITH_AES_256_GCM_SHA384 :
- case TLS_DHE_PSK_WITH_AES_128_CBC_SHA256 :
- case TLS_DHE_PSK_WITH_AES_256_CBC_SHA384 :
if (tls_options & _HTTP_TLS_ALLOW_DH)
enabled[num_enabled ++] = supported[i];
else
DEBUG_printf(("4_httpTLSStart: Excluding DH/DHE cipher suite %d", supported[i]));
break;
- /* Anything else we'll assume is secure */
+ case TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA :
+ case TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 :
+ case TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384 :
+ case TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256 :
+ case TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384 :
+ case TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 :
+ case TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 :
+ case TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256 :
+ case TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384 :
+ case TLS_RSA_WITH_3DES_EDE_CBC_SHA :
+ case TLS_RSA_WITH_AES_128_CBC_SHA :
+ case TLS_RSA_WITH_AES_256_CBC_SHA :
+ if (tls_options & _HTTP_TLS_DENY_CBC)
+ {
+ DEBUG_printf(("4_httpTLSStart: Excluding CBC cipher suite %d", supported[i]));
+ break;
+ }
+
+ /* Anything else we'll assume is "secure" */
default :
enabled[num_enabled ++] = supported[i];
break;
http_cdsa_copy_server(
const char *common_name) /* I - Server's hostname */
{
+#ifdef HAVE_SECKEYCHAINOPEN
OSStatus err; /* Error info */
SecIdentityRef identity = NULL;/* Identity */
CFArrayRef certificates = NULL;
CFStringRef cfcommon_name = NULL;
/* Server name */
CFMutableDictionaryRef query = NULL; /* Query qualifiers */
-#ifdef HAVE_SECKEYCHAINOPEN
CFArrayRef list = NULL; /* Keychain list */
-#endif /* HAVE_SECKEYCHAINOPEN */
+ SecKeychainRef syschain = NULL;/* System keychain */
+ SecKeychainStatus status = 0; /* Keychain status */
+
+ DEBUG_printf(("3http_cdsa_copy_server(common_name=\"%s\")", common_name));
cfcommon_name = CFStringCreateWithCString(kCFAllocatorDefault, common_name, kCFStringEncodingUTF8);
policy = SecPolicyCreateSSL(1, cfcommon_name);
- if (cfcommon_name)
- CFRelease(cfcommon_name);
-
if (!policy)
+ {
+ DEBUG_puts("4http_cdsa_copy_server: Unable to create SSL policy.");
goto cleanup;
+ }
if (!(query = CFDictionaryCreateMutable(kCFAllocatorDefault, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks)))
+ {
+ DEBUG_puts("4http_cdsa_copy_server: Unable to create query dictionary.");
goto cleanup;
+ }
_cupsMutexLock(&tls_mutex);
+ err = SecKeychainGetStatus(tls_keychain, &status);
+
+ if (err == noErr && !(status & kSecUnlockStateStatus) && tls_cups_keychain)
+ SecKeychainUnlock(tls_keychain, _CUPS_CDSA_PASSLEN, _CUPS_CDSA_PASSWORD, TRUE);
+
CFDictionaryAddValue(query, kSecClass, kSecClassIdentity);
CFDictionaryAddValue(query, kSecMatchPolicy, policy);
CFDictionaryAddValue(query, kSecReturnRef, kCFBooleanTrue);
CFDictionaryAddValue(query, kSecMatchLimit, kSecMatchLimitOne);
-#ifdef HAVE_SECKEYCHAINOPEN
- list = CFArrayCreate(kCFAllocatorDefault, (const void **)&tls_keychain, 1, &kCFTypeArrayCallBacks);
+ syschain = http_cdsa_open_system_keychain();
+
+ if (syschain)
+ {
+ const void *values[2] = { syschain, tls_keychain };
+
+ list = CFArrayCreate(kCFAllocatorDefault, (const void **)values, 2, &kCFTypeArrayCallBacks);
+ }
+ else
+ list = CFArrayCreate(kCFAllocatorDefault, (const void **)&tls_keychain, 1, &kCFTypeArrayCallBacks);
+
CFDictionaryAddValue(query, kSecMatchSearchList, list);
CFRelease(list);
-#endif /* HAVE_SECKEYCHAINOPEN */
err = SecItemCopyMatching(query, (CFTypeRef *)&identity);
_cupsMutexUnlock(&tls_mutex);
- if (err)
+ if (err != noErr)
+ {
+ DEBUG_printf(("4http_cdsa_copy_server: SecItemCopyMatching failed with status %d.", (int)err));
goto cleanup;
+ }
if (CFGetTypeID(identity) != SecIdentityGetTypeID())
+ {
+ DEBUG_puts("4http_cdsa_copy_server: Search returned something that is not an identity.");
goto cleanup;
+ }
if ((certificates = CFArrayCreate(NULL, (const void **)&identity, 1, &kCFTypeArrayCallBacks)) == NULL)
+ {
+ DEBUG_puts("4http_cdsa_copy_server: Unable to create array of certificates.");
goto cleanup;
+ }
cleanup :
+ if (syschain)
+ CFRelease(syschain);
if (identity)
CFRelease(identity);
if (policy)
CFRelease(policy);
+ if (cfcommon_name)
+ CFRelease(cfcommon_name);
if (query)
CFRelease(query);
+ DEBUG_printf(("4http_cdsa_copy_server: Returning %p.", (void *)certificates));
+
return (certificates);
+#else
+
+ if (!tls_selfsigned)
+ return (NULL);
+
+ return (CFArrayCreate(NULL, (const void **)&tls_selfsigned, 1, &kCFTypeArrayCallBacks));
+#endif /* HAVE_SECKEYCHAINOPEN */
}
const char *home = getenv("HOME"); /* HOME environment variable */
+ /*
+ * Determine the default keychain path. Note that the login and system
+ * keychains are no longer accessible to user applications starting in macOS
+ * 10.11.4 (!), so we need to create our own keychain just for CUPS.
+ */
+
if (getuid() && home)
- snprintf(buffer, bufsize, "%s/Library/Keychains/login.keychain", home);
+ snprintf(buffer, bufsize, "%s/.cups/ssl.keychain", home);
else
- strlcpy(buffer, "/Library/Keychains/System.keychain", bufsize);
+ strlcpy(buffer, "/etc/cups/ssl.keychain", bufsize);
DEBUG_printf(("1http_cdsa_default_path: Using default path \"%s\".", buffer));
return (buffer);
}
+
+
+/*
+ * 'http_cdsa_open_keychain()' - Open (or create) a keychain.
+ */
+
+static SecKeychainRef /* O - Keychain or NULL */
+http_cdsa_open_keychain(
+ const char *path, /* I - Path to keychain */
+ char *filename, /* I - Keychain filename */
+ size_t filesize) /* I - Size of filename buffer */
+{
+ SecKeychainRef keychain = NULL;/* Temporary keychain */
+ OSStatus err; /* Error code */
+ Boolean interaction; /* Interaction allowed? */
+ SecKeychainStatus status = 0; /* Keychain status */
+
+
+ /*
+ * Get the keychain filename...
+ */
+
+ if (!path)
+ {
+ path = http_cdsa_default_path(filename, filesize);
+ tls_cups_keychain = 1;
+ }
+ else
+ {
+ strlcpy(filename, path, filesize);
+ tls_cups_keychain = 0;
+ }
+
+ /*
+ * Save the interaction setting and disable while we open the keychain...
+ */
+
+ SecKeychainGetUserInteractionAllowed(&interaction);
+ SecKeychainSetUserInteractionAllowed(FALSE);
+
+ if (access(path, R_OK) && tls_cups_keychain)
+ {
+ /*
+ * Create a new keychain at the given path...
+ */
+
+ err = SecKeychainCreate(path, _CUPS_CDSA_PASSLEN, _CUPS_CDSA_PASSWORD, FALSE, NULL, &keychain);
+ }
+ else
+ {
+ /*
+ * Open the existing keychain and unlock as needed...
+ */
+
+ err = SecKeychainOpen(path, &keychain);
+
+ if (err == noErr)
+ err = SecKeychainGetStatus(keychain, &status);
+
+ if (err == noErr && !(status & kSecUnlockStateStatus) && tls_cups_keychain)
+ err = SecKeychainUnlock(keychain, _CUPS_CDSA_PASSLEN, _CUPS_CDSA_PASSWORD, TRUE);
+ }
+
+ /*
+ * Restore interaction setting...
+ */
+
+ SecKeychainSetUserInteractionAllowed(interaction);
+
+ /*
+ * Release the keychain if we had any errors...
+ */
+
+ if (err != noErr)
+ {
+ /* TODO: Set cups last error string */
+ DEBUG_printf(("4http_cdsa_open_keychain: Unable to open keychain (%d), returning NULL.", (int)err));
+
+ if (keychain)
+ {
+ CFRelease(keychain);
+ keychain = NULL;
+ }
+ }
+
+ /*
+ * Return the keychain or NULL...
+ */
+
+ return (keychain);
+}
+
+
+/*
+ * 'http_cdsa_open_system_keychain()' - Open the System keychain.
+ */
+
+static SecKeychainRef
+http_cdsa_open_system_keychain(void)
+{
+ SecKeychainRef keychain = NULL;/* Temporary keychain */
+ OSStatus err; /* Error code */
+ Boolean interaction; /* Interaction allowed? */
+ SecKeychainStatus status = 0; /* Keychain status */
+
+
+ /*
+ * Save the interaction setting and disable while we open the keychain...
+ */
+
+ SecKeychainGetUserInteractionAllowed(&interaction);
+ SecKeychainSetUserInteractionAllowed(TRUE);
+
+ err = SecKeychainOpen("/Library/Keychains/System.keychain", &keychain);
+
+ if (err == noErr)
+ err = SecKeychainGetStatus(keychain, &status);
+
+ if (err == noErr && !(status & kSecUnlockStateStatus))
+ err = errSecInteractionNotAllowed;
+
+ /*
+ * Restore interaction setting...
+ */
+
+ SecKeychainSetUserInteractionAllowed(interaction);
+
+ /*
+ * Release the keychain if we had any errors...
+ */
+
+ if (err != noErr)
+ {
+ /* TODO: Set cups last error string */
+ DEBUG_printf(("4http_cdsa_open_system_keychain: Unable to open keychain (%d), returning NULL.", (int)err));
+
+ if (keychain)
+ {
+ CFRelease(keychain);
+ keychain = NULL;
+ }
+ }
+
+ /*
+ * Return the keychain or NULL...
+ */
+
+ return (keychain);
+}
#endif /* HAVE_SECKEYCHAINOPEN */
projects / thirdparty / cups.git / blobdiff