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6f7422a77a
The same values that the compiler would assign are assigned, with only one exception (cmmfNoPKIStatus in cmmft.h). This is patch id=22555, reviewed by Nelson Bolyard.
433 lines
16 KiB
C
433 lines
16 KiB
C
/*
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* This file contains prototypes for the public SSL functions.
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*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is the Netscape security libraries.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1994-2000 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the
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* terms of the GNU General Public License Version 2 or later (the
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* "GPL"), in which case the provisions of the GPL are applicable
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* instead of those above. If you wish to allow use of your
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* version of this file only under the terms of the GPL and not to
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* allow others to use your version of this file under the MPL,
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* indicate your decision by deleting the provisions above and
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* replace them with the notice and other provisions required by
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* the GPL. If you do not delete the provisions above, a recipient
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* may use your version of this file under either the MPL or the
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* GPL.
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*
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* $Id: ssl.h,v 1.6 2001/01/18 16:36:41 wtc%netscape.com Exp $
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*/
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#ifndef __ssl_h_
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#define __ssl_h_
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#include "prtypes.h"
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#include "prerror.h"
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#include "prio.h"
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#include "seccomon.h"
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#include "cert.h"
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#include "keyt.h"
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#if defined(_WIN32) && !defined(IN_LIBSSL) && !defined(NSS_USE_STATIC_LIBS)
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#define SSL_IMPORT extern __declspec(dllimport)
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#else
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#define SSL_IMPORT extern
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#endif
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/* constant table enumerating all implemented SSL 2 and 3 cipher suites. */
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SSL_IMPORT const PRUint16 SSL_ImplementedCiphers[];
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/* number of entries in the above table. */
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SSL_IMPORT const PRUint16 SSL_NumImplementedCiphers;
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/* Macro to tell which ciphers in table are SSL2 vs SSL3/TLS. */
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#define SSL_IS_SSL2_CIPHER(which) (((which) & 0xfff0) == 0xff00)
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typedef struct SSL3StatisticsStr {
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/* statistics from ssl3_SendClientHello (sch) */
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long sch_sid_cache_hits;
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long sch_sid_cache_misses;
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long sch_sid_cache_not_ok;
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/* statistics from ssl3_HandleServerHello (hsh) */
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long hsh_sid_cache_hits;
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long hsh_sid_cache_misses;
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long hsh_sid_cache_not_ok;
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/* statistics from ssl3_HandleClientHello (hch) */
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long hch_sid_cache_hits;
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long hch_sid_cache_misses;
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long hch_sid_cache_not_ok;
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} SSL3Statistics;
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SEC_BEGIN_PROTOS
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/*
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** Imports fd into SSL, returning a new socket. Copies SSL configuration
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** from model.
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*/
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SSL_IMPORT PRFileDesc *SSL_ImportFD(PRFileDesc *model, PRFileDesc *fd);
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/*
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** Enable/disable an ssl mode
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**
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** SSL_SECURITY:
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** enable/disable use of SSL security protocol before connect
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**
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** SSL_SOCKS:
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** enable/disable use of socks before connect
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** (No longer supported).
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**
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** SSL_REQUEST_CERTIFICATE:
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** require a certificate during secure connect
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*/
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/* options */
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#define SSL_SECURITY 1
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#define SSL_SOCKS 2
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#define SSL_REQUEST_CERTIFICATE 3
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#define SSL_HANDSHAKE_AS_CLIENT 5 /* force accept to hs as client */
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#define SSL_HANDSHAKE_AS_SERVER 6 /* force connect to hs as server */
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#define SSL_ENABLE_SSL2 7 /* enable ssl v2 (on by default) */
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#define SSL_ENABLE_SSL3 8 /* enable ssl v3 (on by default) */
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#define SSL_NO_CACHE 9 /* don't use the session cache */
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#define SSL_REQUIRE_CERTIFICATE 10
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#define SSL_ENABLE_FDX 11 /* permit simultaneous read/write */
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#define SSL_V2_COMPATIBLE_HELLO 12 /* send v3 client hello in v2 fmt */
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#define SSL_ENABLE_TLS 13 /* enable TLS (off by default) */
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#define SSL_ROLLBACK_DETECTION 14 /* for compatibility, default: on */
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#ifdef SSL_DEPRECATED_FUNCTION
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/* Old deprecated function names */
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SSL_IMPORT SECStatus SSL_Enable(PRFileDesc *fd, int option, PRBool on);
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SSL_IMPORT SECStatus SSL_EnableDefault(int option, PRBool on);
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#endif
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/* New function names */
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SSL_IMPORT SECStatus SSL_OptionSet(PRFileDesc *fd, PRInt32 option, PRBool on);
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SSL_IMPORT SECStatus SSL_OptionGet(PRFileDesc *fd, PRInt32 option, PRBool *on);
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SSL_IMPORT SECStatus SSL_OptionSetDefault(PRInt32 option, PRBool on);
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SSL_IMPORT SECStatus SSL_OptionGetDefault(PRInt32 option, PRBool *on);
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SSL_IMPORT SECStatus SSL_CertDBHandleSet(PRFileDesc *fd, CERTCertDBHandle *dbHandle);
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/*
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** Control ciphers that SSL uses. If on is non-zero then the named cipher
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** is enabled, otherwise it is disabled.
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** The "cipher" values are defined in sslproto.h (the SSL_EN_* values).
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** EnableCipher records user preferences.
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** SetPolicy sets the policy according to the policy module.
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*/
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#ifdef SSL_DEPRECATED_FUNCTION
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/* Old deprecated function names */
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SSL_IMPORT SECStatus SSL_EnableCipher(long which, PRBool enabled);
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SSL_IMPORT SECStatus SSL_SetPolicy(long which, int policy);
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#endif
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/* New function names */
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SSL_IMPORT SECStatus SSL_CipherPrefSet(PRFileDesc *fd, PRInt32 cipher, PRBool enabled);
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SSL_IMPORT SECStatus SSL_CipherPrefGet(PRFileDesc *fd, PRInt32 cipher, PRBool *enabled);
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SSL_IMPORT SECStatus SSL_CipherPrefSetDefault(PRInt32 cipher, PRBool enabled);
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SSL_IMPORT SECStatus SSL_CipherPrefGetDefault(PRInt32 cipher, PRBool *enabled);
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SSL_IMPORT SECStatus SSL_CipherPolicySet(PRInt32 cipher, PRInt32 policy);
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SSL_IMPORT SECStatus SSL_CipherPolicyGet(PRInt32 cipher, PRInt32 *policy);
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/* Values for "policy" argument to SSL_PolicySet */
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/* Values returned by SSL_CipherPolicyGet. */
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#define SSL_NOT_ALLOWED 0 /* or invalid or unimplemented */
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#define SSL_ALLOWED 1
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#define SSL_RESTRICTED 2 /* only with "Step-Up" certs. */
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/*
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** Reset the handshake state for fd. This will make the complete SSL
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** handshake protocol execute from the ground up on the next i/o
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** operation.
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*/
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SSL_IMPORT SECStatus SSL_ResetHandshake(PRFileDesc *fd, PRBool asServer);
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/*
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** Force the handshake for fd to complete immediately. This blocks until
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** the complete SSL handshake protocol is finished.
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*/
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SSL_IMPORT int SSL_ForceHandshake(PRFileDesc *fd);
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/*
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** Query security status of socket. *on is set to one if security is
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** enabled. *keySize will contain the stream key size used. *issuer will
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** contain the RFC1485 verison of the name of the issuer of the
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** certificate at the other end of the connection. For a client, this is
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** the issuer of the server's certificate; for a server, this is the
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** issuer of the client's certificate (if any). Subject is the subject of
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** the other end's certificate. The pointers can be zero if the desired
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** data is not needed. All strings returned by this function are owned
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** by SSL, and will be freed when the socket is closed.
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*/
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SSL_IMPORT int SSL_SecurityStatus(PRFileDesc *fd, int *on, char **cipher,
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int *keySize, int *secretKeySize,
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char **issuer, char **subject);
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/* Values for "on" */
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#define SSL_SECURITY_STATUS_NOOPT -1
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#define SSL_SECURITY_STATUS_OFF 0
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#define SSL_SECURITY_STATUS_ON_HIGH 1
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#define SSL_SECURITY_STATUS_ON_LOW 2
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#define SSL_SECURITY_STATUS_FORTEZZA 3
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/*
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** Return the certificate for our SSL peer. If the client calls this
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** it will always return the server's certificate. If the server calls
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** this, it may return NULL if client authentication is not enabled or
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** if the client had no certificate when asked.
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** "fd" the socket "file" descriptor
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*/
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SSL_IMPORT CERTCertificate *SSL_PeerCertificate(PRFileDesc *fd);
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/*
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** Authenticate certificate hook. Called when a certificate comes in
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** (because of SSL_REQUIRE_CERTIFICATE in SSL_Enable) to authenticate the
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** certificate.
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*/
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typedef int (*SSLAuthCertificate)(void *arg, PRFileDesc *fd, PRBool checkSig,
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PRBool isServer);
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SSL_IMPORT int SSL_AuthCertificateHook(PRFileDesc *fd, SSLAuthCertificate f,
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void *arg);
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/* An implementation of the certificate authentication hook */
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SSL_IMPORT int SSL_AuthCertificate(void *arg, PRFileDesc *fd, PRBool checkSig,
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PRBool isServer);
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/*
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* Prototype for SSL callback to get client auth data from the application.
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* arg - application passed argument
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* caNames - pointer to distinguished names of CAs that the server likes
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* pRetCert - pointer to pointer to cert, for return of cert
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* pRetKey - pointer to key pointer, for return of key
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*/
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typedef int (*SSLGetClientAuthData)(void *arg, PRFileDesc *fd,
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CERTDistNames *caNames,
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CERTCertificate **pRetCert,/*return */
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SECKEYPrivateKey **pRetKey);/* return */
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/*
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* Set the client side callback for SSL to retrieve user's private key
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* and certificate.
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* fd - the file descriptor for the connection in question
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* f - the application's callback that delivers the key and cert
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* a - application specific data
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*/
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SSL_IMPORT int SSL_GetClientAuthDataHook(PRFileDesc *fd, SSLGetClientAuthData f,
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void *a);
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/*
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* Set the client side argument for SSL to retrieve PKCS #11 pin.
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* fd - the file descriptor for the connection in question
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* a - pkcs11 application specific data
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*/
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SSL_IMPORT int SSL_SetPKCS11PinArg(PRFileDesc *fd, void *a);
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/*
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** This is a callback for dealing with server certs that are not authenticated
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** by the client. The client app can decide that it actually likes the
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** cert by some external means and restart the connection.
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*/
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typedef int (*SSLBadCertHandler)(void *arg, PRFileDesc *fd);
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SSL_IMPORT int SSL_BadCertHook(PRFileDesc *fd, SSLBadCertHandler f, void *arg);
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/*
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** Configure ssl for running a secure server. Needs the
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** certificate for the server and the servers private key. The arguments
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** are copied.
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*/
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/* Key Exchange values */
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typedef enum {
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kt_null = 0,
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kt_rsa = 1,
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kt_dh = 2,
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kt_fortezza = 3,
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kt_kea_size
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} SSLKEAType;
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SSL_IMPORT SECStatus SSL_ConfigSecureServer(PRFileDesc *fd, CERTCertificate *cert,
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SECKEYPrivateKey *key, SSLKEAType kea);
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/*
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** Configure a secure servers session-id cache. Define the maximum number
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** of entries in the cache, the longevity of the entires, and the directory
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** where the cache files will be placed. These values can be zero, and
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** if so, the implementation will choose defaults.
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** This version of the function is for use in applications that have only one
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** process that uses the cache (even if that process has multiple threads).
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*/
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SSL_IMPORT int SSL_ConfigServerSessionIDCache(int maxCacheEntries,
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PRUint32 timeout,
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PRUint32 ssl3_timeout,
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const char * directory);
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/*
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** Like SSL_ConfigServerSessionIDCache, with one important difference.
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** If the application will run multiple processes (as opposed to, or in
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** addition to multiple threads), then it must call this function, instead
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** of calling SSL_ConfigServerSessionIDCache().
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** This has nothing to do with the number of processORs, only processEs.
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** This function sets up a Server Session ID (SID) cache that is safe for
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** access by multiple processes on the same system.
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*/
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SSL_IMPORT int SSL_ConfigMPServerSIDCache(int maxCacheEntries,
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PRUint32 timeout,
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PRUint32 ssl3_timeout,
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const char * directory);
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/* environment variable set by SSL_ConfigMPServerSIDCache, and queried by
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* SSL_InheritMPServerSIDCache when envString is NULL.
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*/
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#define SSL_ENV_VAR_NAME "SSL_INHERITANCE"
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/* called in child to inherit SID Cache variables.
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* If envString is NULL, this function will use the value of the environment
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* variable "SSL_INHERITANCE", otherwise the string value passed in will be
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* used.
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*/
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SSL_IMPORT SECStatus SSL_InheritMPServerSIDCache(const char * envString);
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/*
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** Set the callback on a particular socket that gets called when we finish
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** performing a handshake.
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*/
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typedef void (*SSLHandshakeCallback)(PRFileDesc *fd, void *client_data);
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SSL_IMPORT int SSL_HandshakeCallback(PRFileDesc *fd, SSLHandshakeCallback cb,
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void *client_data);
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/*
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** For the server, request a new handshake. For the client, begin a new
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** handshake. If flushCache is non-zero, the SSL3 cache entry will be
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** flushed first, ensuring that a full SSL handshake will be done.
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** If flushCache is zero, and an SSL connection is established, it will
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** do the much faster session restart handshake. This will change the
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** session keys without doing another private key operation.
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*/
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SSL_IMPORT int SSL_ReHandshake(PRFileDesc *fd, PRBool flushCache);
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#ifdef SSL_DEPRECATED_FUNCTION
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/* deprecated!
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** For the server, request a new handshake. For the client, begin a new
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** handshake. Flushes SSL3 session cache entry first, ensuring that a
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** full handshake will be done.
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** This call is equivalent to SSL_ReHandshake(fd, PR_TRUE)
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*/
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SSL_IMPORT int SSL_RedoHandshake(PRFileDesc *fd);
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#endif
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/*
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* Allow the application to pass a URL or hostname into the SSL library
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*/
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SSL_IMPORT int SSL_SetURL(PRFileDesc *fd, const char *url);
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/*
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** Return the number of bytes that SSL has waiting in internal buffers.
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** Return 0 if security is not enabled.
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*/
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SSL_IMPORT int SSL_DataPending(PRFileDesc *fd);
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/*
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** Invalidate the SSL session associated with fd.
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*/
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SSL_IMPORT int SSL_InvalidateSession(PRFileDesc *fd);
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/*
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** Return a SECItem containing the SSL session ID associated with the fd.
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*/
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SSL_IMPORT SECItem *SSL_GetSessionID(PRFileDesc *fd);
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/*
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** Clear out the SSL session cache.
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*/
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SSL_IMPORT void SSL_ClearSessionCache(void);
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/*
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** Set peer information so we can correctly look up SSL session later.
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** You only have to do this if you're tunneling through a proxy.
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*/
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SSL_IMPORT int SSL_SetSockPeerID(PRFileDesc *fd, char *peerID);
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/*
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** Reveal the security information for the peer.
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*/
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SSL_IMPORT CERTCertificate * SSL_RevealCert(PRFileDesc * socket);
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SSL_IMPORT void * SSL_RevealPinArg(PRFileDesc * socket);
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SSL_IMPORT char * SSL_RevealURL(PRFileDesc * socket);
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/* This callback may be passed to the SSL library via a call to
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* SSL_GetClientAuthDataHook() for each SSL client socket.
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* It will be invoked when SSL needs to know what certificate and private key
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* (if any) to use to respond to a request for client authentication.
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* If arg is non-NULL, it is a pointer to a NULL-terminated string containing
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* the nickname of the cert/key pair to use.
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* If arg is NULL, this function will search the cert and key databases for
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* a suitable match and send it if one is found.
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*/
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SSL_IMPORT SECStatus
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NSS_GetClientAuthData(void * arg,
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PRFileDesc * socket,
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struct CERTDistNamesStr * caNames,
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struct CERTCertificateStr ** pRetCert,
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struct SECKEYPrivateKeyStr **pRetKey);
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/*
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* Look to see if any of the signers in the cert chain for "cert" are found
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* in the list of caNames.
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* Returns SECSuccess if so, SECFailure if not.
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* Used by NSS_GetClientAuthData. May be used by other callback functions.
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*/
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SSL_IMPORT SECStatus NSS_CmpCertChainWCANames(CERTCertificate *cert,
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CERTDistNames *caNames);
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/*
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* Returns key exchange type of the keys in an SSL server certificate.
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*/
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SSL_IMPORT SSLKEAType NSS_FindCertKEAType(CERTCertificate * cert);
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/* Set cipher policies to a predefined Domestic (U.S.A.) policy.
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* This essentially enables all supported ciphers.
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*/
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SSL_IMPORT SECStatus NSS_SetDomesticPolicy(void);
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/* Set cipher policies to a predefined Policy that is exportable from the USA
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* according to present U.S. policies as we understand them.
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* See documentation for the list.
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* Note that your particular application program may be able to obtain
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* an export license with more or fewer capabilities than those allowed
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* by this function. In that case, you should use SSL_SetPolicy()
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* to explicitly allow those ciphers you may legally export.
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*/
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SSL_IMPORT SECStatus NSS_SetExportPolicy(void);
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/* Set cipher policies to a predefined Policy that is exportable from the USA
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* according to present U.S. policies as we understand them, and that the
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* nation of France will permit to be imported into their country.
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* See documentation for the list.
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*/
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SSL_IMPORT SECStatus NSS_SetFrancePolicy(void);
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SSL_IMPORT SSL3Statistics * SSL_GetStatistics(void);
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SEC_END_PROTOS
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#endif /* __ssl_h_ */
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