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Unified Diff: net/third_party/nss/ssl/sslimpl.h

Issue 1882433002: Removing NSS files and USE_OPENSSL flag (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Rebase. Created 4 years, 8 months ago
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Index: net/third_party/nss/ssl/sslimpl.h
diff --git a/net/third_party/nss/ssl/sslimpl.h b/net/third_party/nss/ssl/sslimpl.h
deleted file mode 100644
index f56ab53c32bd8435817ca943510b9659b74d607a..0000000000000000000000000000000000000000
--- a/net/third_party/nss/ssl/sslimpl.h
+++ /dev/null
@@ -1,2161 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
-/*
- * This file is PRIVATE to SSL and should be the first thing included by
- * any SSL implementation file.
- *
- * This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#ifndef __sslimpl_h_
-#define __sslimpl_h_
-
-#ifdef DEBUG
-#undef NDEBUG
-#else
-#undef NDEBUG
-#define NDEBUG
-#endif
-#include "secport.h"
-#include "secerr.h"
-#include "sslerr.h"
-#include "ssl3prot.h"
-#include "hasht.h"
-#include "nssilock.h"
-#include "pkcs11t.h"
-#if defined(XP_UNIX) || defined(XP_BEOS)
-#include "unistd.h"
-#endif
-#include "nssrwlk.h"
-#include "prthread.h"
-#include "prclist.h"
-
-#include "sslt.h" /* for some formerly private types, now public */
-
-/* to make some of these old enums public without namespace pollution,
-** it was necessary to prepend ssl_ to the names.
-** These #defines preserve compatibility with the old code here in libssl.
-*/
-typedef SSLKEAType SSL3KEAType;
-typedef SSLMACAlgorithm SSL3MACAlgorithm;
-
-#define calg_null ssl_calg_null
-#define calg_rc4 ssl_calg_rc4
-#define calg_rc2 ssl_calg_rc2
-#define calg_des ssl_calg_des
-#define calg_3des ssl_calg_3des
-#define calg_idea ssl_calg_idea
-#define calg_fortezza ssl_calg_fortezza /* deprecated, must preserve */
-#define calg_aes ssl_calg_aes
-#define calg_camellia ssl_calg_camellia
-#define calg_seed ssl_calg_seed
-#define calg_aes_gcm ssl_calg_aes_gcm
-#define calg_chacha20 ssl_calg_chacha20
-
-#define mac_null ssl_mac_null
-#define mac_md5 ssl_mac_md5
-#define mac_sha ssl_mac_sha
-#define hmac_md5 ssl_hmac_md5
-#define hmac_sha ssl_hmac_sha
-#define hmac_sha256 ssl_hmac_sha256
-#define mac_aead ssl_mac_aead
-
-#define SET_ERROR_CODE /* reminder */
-#define SEND_ALERT /* reminder */
-#define TEST_FOR_FAILURE /* reminder */
-#define DEAL_WITH_FAILURE /* reminder */
-
-#if defined(DEBUG) || defined(TRACE)
-#ifdef __cplusplus
-#define Debug 1
-#else
-extern int Debug;
-#endif
-#else
-#undef Debug
-#endif
-
-#if defined(DEBUG) && !defined(TRACE) && !defined(NISCC_TEST)
-#define TRACE
-#endif
-
-#ifdef TRACE
-#define SSL_TRC(a, b) \
- if (ssl_trace >= (a)) \
- ssl_Trace b
-#define PRINT_BUF(a, b) \
- if (ssl_trace >= (a)) \
- ssl_PrintBuf b
-#define DUMP_MSG(a, b) \
- if (ssl_trace >= (a)) \
- ssl_DumpMsg b
-#else
-#define SSL_TRC(a, b)
-#define PRINT_BUF(a, b)
-#define DUMP_MSG(a, b)
-#endif
-
-#ifdef DEBUG
-#define SSL_DBG(b) \
- if (ssl_debug) \
- ssl_Trace b
-#else
-#define SSL_DBG(b)
-#endif
-
-#include "private/pprthred.h" /* for PR_InMonitor() */
-#define ssl_InMonitor(m) PZ_InMonitor(m)
-
-#define LSB(x) ((unsigned char)((x)&0xff))
-#define MSB(x) ((unsigned char)(((unsigned)(x)) >> 8))
-
-/************************************************************************/
-
-typedef enum { SSLAppOpRead = 0,
- SSLAppOpWrite,
- SSLAppOpRDWR,
- SSLAppOpPost,
- SSLAppOpHeader
-} SSLAppOperation;
-
-#define SSL_MIN_MASTER_KEY_BYTES 5
-#define SSL_MAX_MASTER_KEY_BYTES 64
-
-#define SSL2_SESSIONID_BYTES 16
-#define SSL3_SESSIONID_BYTES 32
-
-#define SSL_MIN_CHALLENGE_BYTES 16
-#define SSL_MAX_CHALLENGE_BYTES 32
-#define SSL_CHALLENGE_BYTES 16
-
-#define SSL_CONNECTIONID_BYTES 16
-
-#define SSL_MIN_CYPHER_ARG_BYTES 0
-#define SSL_MAX_CYPHER_ARG_BYTES 32
-
-#define SSL_MAX_MAC_BYTES 16
-
-#define SSL3_RSA_PMS_LENGTH 48
-#define SSL3_MASTER_SECRET_LENGTH 48
-
-/* number of wrap mechanisms potentially used to wrap master secrets. */
-#define SSL_NUM_WRAP_MECHS 16
-
-/* This makes the cert cache entry exactly 4k. */
-#define SSL_MAX_CACHED_CERT_LEN 4060
-
-#define NUM_MIXERS 9
-
-/* Mask of the 25 named curves we support. */
-#define SSL3_ALL_SUPPORTED_CURVES_MASK 0x3fffffe
-/* Mask of only 3 curves, suite B */
-#define SSL3_SUITE_B_SUPPORTED_CURVES_MASK 0x3800000
-
-#ifndef BPB
-#define BPB 8 /* Bits Per Byte */
-#endif
-
-#define EXPORT_RSA_KEY_LENGTH 64 /* bytes */
-
-#define INITIAL_DTLS_TIMEOUT_MS 1000 /* Default value from RFC 4347 = 1s*/
-#define MAX_DTLS_TIMEOUT_MS 60000 /* 1 minute */
-#define DTLS_FINISHED_TIMER_MS 120000 /* Time to wait in FINISHED state */
-
-typedef struct sslBufferStr sslBuffer;
-typedef struct sslConnectInfoStr sslConnectInfo;
-typedef struct sslGatherStr sslGather;
-typedef struct sslSecurityInfoStr sslSecurityInfo;
-typedef struct sslSessionIDStr sslSessionID;
-typedef struct sslSocketStr sslSocket;
-typedef struct sslSocketOpsStr sslSocketOps;
-
-typedef struct ssl3StateStr ssl3State;
-typedef struct ssl3CertNodeStr ssl3CertNode;
-typedef struct ssl3BulkCipherDefStr ssl3BulkCipherDef;
-typedef struct ssl3MACDefStr ssl3MACDef;
-typedef struct ssl3KeyPairStr ssl3KeyPair;
-typedef struct ssl3DHParamsStr ssl3DHParams;
-
-struct ssl3CertNodeStr {
- struct ssl3CertNodeStr *next;
- CERTCertificate *cert;
-};
-
-typedef SECStatus (*sslHandshakeFunc)(sslSocket *ss);
-
-/* This type points to the low layer send func,
-** e.g. ssl2_SendStream or ssl3_SendPlainText.
-** These functions return the same values as PR_Send,
-** i.e. >= 0 means number of bytes sent, < 0 means error.
-*/
-typedef PRInt32 (*sslSendFunc)(sslSocket *ss, const unsigned char *buf,
- PRInt32 n, PRInt32 flags);
-
-typedef void (*sslSessionIDCacheFunc)(sslSessionID *sid);
-typedef void (*sslSessionIDUncacheFunc)(sslSessionID *sid);
-typedef sslSessionID *(*sslSessionIDLookupFunc)(const PRIPv6Addr *addr,
- unsigned char *sid,
- unsigned int sidLen,
- CERTCertDBHandle *dbHandle);
-
-/* registerable callback function that either appends extension to buffer
- * or returns length of data that it would have appended.
- */
-typedef PRInt32 (*ssl3HelloExtensionSenderFunc)(sslSocket *ss, PRBool append,
- PRUint32 maxBytes);
-
-/* registerable callback function that handles a received extension,
- * of the given type.
- */
-typedef SECStatus (*ssl3HelloExtensionHandlerFunc)(sslSocket *ss,
- PRUint16 ex_type,
- SECItem *data);
-
-/* row in a table of hello extension senders */
-typedef struct {
- PRInt32 ex_type;
- ssl3HelloExtensionSenderFunc ex_sender;
-} ssl3HelloExtensionSender;
-
-/* row in a table of hello extension handlers */
-typedef struct {
- PRInt32 ex_type;
- ssl3HelloExtensionHandlerFunc ex_handler;
-} ssl3HelloExtensionHandler;
-
-extern SECStatus
-ssl3_RegisterServerHelloExtensionSender(sslSocket *ss, PRUint16 ex_type,
- ssl3HelloExtensionSenderFunc cb);
-
-extern PRInt32
-ssl3_CallHelloExtensionSenders(sslSocket *ss, PRBool append, PRUint32 maxBytes,
- const ssl3HelloExtensionSender *sender);
-
-extern unsigned int
-ssl3_CalculatePaddingExtensionLength(unsigned int clientHelloLength);
-
-extern PRInt32
-ssl3_AppendPaddingExtension(sslSocket *ss, unsigned int extensionLen,
- PRUint32 maxBytes);
-
-/* Socket ops */
-struct sslSocketOpsStr {
- int (*connect)(sslSocket *, const PRNetAddr *);
- PRFileDesc *(*accept)(sslSocket *, PRNetAddr *);
- int (*bind)(sslSocket *, const PRNetAddr *);
- int (*listen)(sslSocket *, int);
- int (*shutdown)(sslSocket *, int);
- int (*close)(sslSocket *);
-
- int (*recv)(sslSocket *, unsigned char *, int, int);
-
- /* points to the higher-layer send func, e.g. ssl_SecureSend. */
- int (*send)(sslSocket *, const unsigned char *, int, int);
- int (*read)(sslSocket *, unsigned char *, int);
- int (*write)(sslSocket *, const unsigned char *, int);
-
- int (*getpeername)(sslSocket *, PRNetAddr *);
- int (*getsockname)(sslSocket *, PRNetAddr *);
-};
-
-/* Flags interpreted by ssl send functions. */
-#define ssl_SEND_FLAG_FORCE_INTO_BUFFER 0x40000000
-#define ssl_SEND_FLAG_NO_BUFFER 0x20000000
-#define ssl_SEND_FLAG_USE_EPOCH 0x10000000 /* DTLS only */
-#define ssl_SEND_FLAG_NO_RETRANSMIT 0x08000000 /* DTLS only */
-#define ssl_SEND_FLAG_CAP_RECORD_VERSION \
- 0x04000000 /* TLS only */
-#define ssl_SEND_FLAG_MASK 0x7f000000
-
-/*
-** A buffer object.
-*/
-struct sslBufferStr {
- unsigned char *buf;
- unsigned int len;
- unsigned int space;
-};
-
-/*
-** SSL3 cipher suite policy and preference struct.
-*/
-typedef struct {
-#if !defined(_WIN32)
- unsigned int cipher_suite : 16;
- unsigned int policy : 8;
- unsigned int enabled : 1;
- unsigned int isPresent : 1;
-#else
- ssl3CipherSuite cipher_suite;
- PRUint8 policy;
- unsigned char enabled : 1;
- unsigned char isPresent : 1;
-#endif
-} ssl3CipherSuiteCfg;
-
-#ifndef NSS_DISABLE_ECC
-#define ssl_V3_SUITES_IMPLEMENTED 67
-#else
-#define ssl_V3_SUITES_IMPLEMENTED 41
-#endif /* NSS_DISABLE_ECC */
-
-#define MAX_DTLS_SRTP_CIPHER_SUITES 4
-
-/* MAX_SIGNATURE_ALGORITHMS allows for a large number of combinations of
- * SSLSignType and SSLHashType, but not all combinations (specifically, this
- * doesn't allow space for combinations with MD5). */
-#define MAX_SIGNATURE_ALGORITHMS 15
-
-/* clang-format off */
-typedef struct sslOptionsStr {
- /* If SSL_SetNextProtoNego has been called, then this contains the
- * list of supported protocols. */
- SECItem nextProtoNego;
-
- unsigned int useSecurity : 1; /* 1 */
- unsigned int useSocks : 1; /* 2 */
- unsigned int requestCertificate : 1; /* 3 */
- unsigned int requireCertificate : 2; /* 4-5 */
- unsigned int handshakeAsClient : 1; /* 6 */
- unsigned int handshakeAsServer : 1; /* 7 */
- unsigned int enableSSL2 : 1; /* 8 */
- unsigned int unusedBit9 : 1; /* 9 */
- unsigned int unusedBit10 : 1; /* 10 */
- unsigned int noCache : 1; /* 11 */
- unsigned int fdx : 1; /* 12 */
- unsigned int v2CompatibleHello : 1; /* 13 */
- unsigned int detectRollBack : 1; /* 14 */
- unsigned int noStepDown : 1; /* 15 */
- unsigned int bypassPKCS11 : 1; /* 16 */
- unsigned int noLocks : 1; /* 17 */
- unsigned int enableSessionTickets : 1; /* 18 */
- unsigned int enableDeflate : 1; /* 19 */
- unsigned int enableRenegotiation : 2; /* 20-21 */
- unsigned int requireSafeNegotiation : 1; /* 22 */
- unsigned int enableFalseStart : 1; /* 23 */
- unsigned int cbcRandomIV : 1; /* 24 */
- unsigned int enableOCSPStapling : 1; /* 25 */
- unsigned int enableNPN : 1; /* 26 */
- unsigned int enableALPN : 1; /* 27 */
- unsigned int reuseServerECDHEKey : 1; /* 28 */
- unsigned int enableFallbackSCSV : 1; /* 29 */
- unsigned int enableServerDhe : 1; /* 30 */
- unsigned int enableExtendedMS : 1; /* 31 */
- unsigned int enableSignedCertTimestamps : 1; /* 32 */
-} sslOptions;
-/* clang-format on */
-
-typedef enum { sslHandshakingUndetermined = 0,
- sslHandshakingAsClient,
- sslHandshakingAsServer
-} sslHandshakingType;
-
-typedef struct sslServerCertsStr {
- /* Configuration state for server sockets */
- CERTCertificate *serverCert;
- CERTCertificateList *serverCertChain;
- ssl3KeyPair *serverKeyPair;
- unsigned int serverKeyBits;
-} sslServerCerts;
-
-#define SERVERKEY serverKeyPair->privKey
-
-#define SSL_LOCK_RANK_SPEC 255
-#define SSL_LOCK_RANK_GLOBAL NSS_RWLOCK_RANK_NONE
-
-/* These are the valid values for shutdownHow.
-** These values are each 1 greater than the NSPR values, and the code
-** depends on that relation to efficiently convert PR_SHUTDOWN values
-** into ssl_SHUTDOWN values. These values use one bit for read, and
-** another bit for write, and can be used as bitmasks.
-*/
-#define ssl_SHUTDOWN_NONE 0 /* NOT shutdown at all */
-#define ssl_SHUTDOWN_RCV 1 /* PR_SHUTDOWN_RCV +1 */
-#define ssl_SHUTDOWN_SEND 2 /* PR_SHUTDOWN_SEND +1 */
-#define ssl_SHUTDOWN_BOTH 3 /* PR_SHUTDOWN_BOTH +1 */
-
-/*
-** A gather object. Used to read some data until a count has been
-** satisfied. Primarily for support of async sockets.
-** Everything in here is protected by the recvBufLock.
-*/
-struct sslGatherStr {
- int state; /* see GS_ values below. */ /* ssl 2 & 3 */
-
- /* "buf" holds received plaintext SSL records, after decrypt and MAC check.
- * SSL2: recv'd ciphertext records are put here, then decrypted in place.
- * SSL3: recv'd ciphertext records are put in inbuf (see below), then
- * decrypted into buf.
- */
- sslBuffer buf; /*recvBufLock*/ /* ssl 2 & 3 */
-
- /* number of bytes previously read into hdr or buf(ssl2) or inbuf (ssl3).
- ** (offset - writeOffset) is the number of ciphertext bytes read in but
- ** not yet deciphered.
- */
- unsigned int offset; /* ssl 2 & 3 */
-
- /* number of bytes to read in next call to ssl_DefRecv (recv) */
- unsigned int remainder; /* ssl 2 & 3 */
-
- /* Number of ciphertext bytes to read in after 2-byte SSL record header. */
- unsigned int count; /* ssl2 only */
-
- /* size of the final plaintext record.
- ** == count - (recordPadding + MAC size)
- */
- unsigned int recordLen; /* ssl2 only */
-
- /* number of bytes of padding to be removed after decrypting. */
- /* This value is taken from the record's hdr[2], which means a too large
- * value could crash us.
- */
- unsigned int recordPadding; /* ssl2 only */
-
- /* plaintext DATA begins this many bytes into "buf". */
- unsigned int recordOffset; /* ssl2 only */
-
- int encrypted; /* SSL2 session is now encrypted. ssl2 only */
-
- /* These next two values are used by SSL2 and SSL3.
- ** DoRecv uses them to extract application data.
- ** The difference between writeOffset and readOffset is the amount of
- ** data available to the application. Note that the actual offset of
- ** the data in "buf" is recordOffset (above), not readOffset.
- ** In the current implementation, this is made available before the
- ** MAC is checked!!
- */
- unsigned int readOffset; /* Spot where DATA reader (e.g. application
- ** or handshake code) will read next.
- ** Always zero for SSl3 application data.
- */
- /* offset in buf/inbuf/hdr into which new data will be read from socket. */
- unsigned int writeOffset;
-
- /* Buffer for ssl3 to read (encrypted) data from the socket */
- sslBuffer inbuf; /*recvBufLock*/ /* ssl3 only */
-
- /* The ssl[23]_GatherData functions read data into this buffer, rather
- ** than into buf or inbuf, while in the GS_HEADER state.
- ** The portion of the SSL record header put here always comes off the wire
- ** as plaintext, never ciphertext.
- ** For SSL2, the plaintext portion is two bytes long. For SSl3 it is 5.
- ** For DTLS it is 13.
- */
- unsigned char hdr[13]; /* ssl 2 & 3 or dtls */
-
- /* Buffer for DTLS data read off the wire as a single datagram */
- sslBuffer dtlsPacket;
-
- /* the start of the buffered DTLS record in dtlsPacket */
- unsigned int dtlsPacketOffset;
-};
-
-/* sslGather.state */
-#define GS_INIT 0
-#define GS_HEADER 1
-#define GS_MAC 2
-#define GS_DATA 3
-#define GS_PAD 4
-
-/*
-** ssl3State and CipherSpec structs
-*/
-
-/* The SSL bulk cipher definition */
-typedef enum {
- cipher_null,
- cipher_rc4,
- cipher_rc4_40,
- cipher_rc4_56,
- cipher_rc2,
- cipher_rc2_40,
- cipher_des,
- cipher_3des,
- cipher_des40,
- cipher_idea,
- cipher_aes_128,
- cipher_aes_256,
- cipher_camellia_128,
- cipher_camellia_256,
- cipher_seed,
- cipher_aes_128_gcm,
- cipher_chacha20,
- cipher_missing /* reserved for no such supported cipher */
- /* This enum must match ssl3_cipherName[] in ssl3con.c. */
-} SSL3BulkCipher;
-
-typedef enum { type_stream,
- type_block,
- type_aead } CipherType;
-
-#define MAX_IV_LENGTH 24
-
-/*
- * Do not depend upon 64 bit arithmetic in the underlying machine.
- */
-typedef struct {
- PRUint32 high;
- PRUint32 low;
-} SSL3SequenceNumber;
-
-typedef PRUint16 DTLSEpoch;
-
-typedef void (*DTLSTimerCb)(sslSocket *);
-
-/* 400 is large enough for MD5, SHA-1, and SHA-256.
- * For SHA-384 support, increase it to 712. */
-#define MAX_MAC_CONTEXT_BYTES 400
-#define MAX_MAC_CONTEXT_LLONGS (MAX_MAC_CONTEXT_BYTES / 8)
-
-#define MAX_CIPHER_CONTEXT_BYTES 2080
-#define MAX_CIPHER_CONTEXT_LLONGS (MAX_CIPHER_CONTEXT_BYTES / 8)
-
-typedef struct {
- SSL3Opaque wrapped_master_secret[48];
- PRUint16 wrapped_master_secret_len;
- PRUint8 msIsWrapped;
- PRUint8 resumable;
- PRUint8 extendedMasterSecretUsed;
-} ssl3SidKeys; /* 52 bytes */
-
-typedef struct {
- PK11SymKey *write_key;
- PK11SymKey *write_mac_key;
- PK11Context *write_mac_context;
- SECItem write_key_item;
- SECItem write_iv_item;
- SECItem write_mac_key_item;
- SSL3Opaque write_iv[MAX_IV_LENGTH];
- PRUint64 cipher_context[MAX_CIPHER_CONTEXT_LLONGS];
-} ssl3KeyMaterial;
-
-typedef SECStatus (*SSLCipher)(void *context,
- unsigned char *out,
- int *outlen,
- int maxout,
- const unsigned char *in,
- int inlen);
-typedef SECStatus (*SSLAEADCipher)(
- ssl3KeyMaterial *keys,
- PRBool doDecrypt,
- unsigned char *out,
- int *outlen,
- int maxout,
- const unsigned char *in,
- int inlen,
- const unsigned char *additionalData,
- int additionalDataLen);
-typedef SECStatus (*SSLCompressor)(void *context,
- unsigned char *out,
- int *outlen,
- int maxout,
- const unsigned char *in,
- int inlen);
-typedef SECStatus (*SSLDestroy)(void *context, PRBool freeit);
-
-/* The DTLS anti-replay window. Defined here because we need it in
- * the cipher spec. Note that this is a ring buffer but left and
- * right represent the true window, with modular arithmetic used to
- * map them onto the buffer.
- */
-#define DTLS_RECVD_RECORDS_WINDOW 1024 /* Packets; approximate \
- * Must be divisible by 8 \
- */
-typedef struct DTLSRecvdRecordsStr {
- unsigned char data[DTLS_RECVD_RECORDS_WINDOW / 8];
- PRUint64 left;
- PRUint64 right;
-} DTLSRecvdRecords;
-
-/*
-** These are the "specs" in the "ssl3" struct.
-** Access to the pointers to these specs, and all the specs' contents
-** (direct and indirect) is protected by the reader/writer lock ss->specLock.
-*/
-typedef struct {
- const ssl3BulkCipherDef *cipher_def;
- const ssl3MACDef *mac_def;
- SSLCompressionMethod compression_method;
- int mac_size;
- SSLCipher encode;
- SSLCipher decode;
- SSLAEADCipher aead;
- SSLDestroy destroy;
- void *encodeContext;
- void *decodeContext;
- SSLCompressor compressor; /* Don't name these fields compress */
- SSLCompressor decompressor; /* and uncompress because zconf.h */
- /* may define them as macros. */
- SSLDestroy destroyCompressContext;
- void *compressContext;
- SSLDestroy destroyDecompressContext;
- void *decompressContext;
- PRBool bypassCiphers; /* did double bypass (at least) */
- PK11SymKey *master_secret;
- SSL3SequenceNumber write_seq_num;
- SSL3SequenceNumber read_seq_num;
- SSL3ProtocolVersion version;
- ssl3KeyMaterial client;
- ssl3KeyMaterial server;
- SECItem msItem;
- unsigned char key_block[NUM_MIXERS * MD5_LENGTH];
- unsigned char raw_master_secret[56];
- SECItem srvVirtName; /* for server: name that was negotiated
- * with a client. For client - is
- * always set to NULL.*/
- DTLSEpoch epoch;
- DTLSRecvdRecords recvdRecords;
-} ssl3CipherSpec;
-
-typedef enum { never_cached,
- in_client_cache,
- in_server_cache,
- invalid_cache /* no longer in any cache. */
-} Cached;
-
-#define MAX_PEER_CERT_CHAIN_SIZE 8
-
-struct sslSessionIDStr {
- /* The global cache lock must be held when accessing these members when the
- * sid is in any cache.
- */
- sslSessionID *next; /* chain used for client sockets, only */
- Cached cached;
- int references;
- PRUint32 lastAccessTime; /* seconds since Jan 1, 1970 */
-
- /* The rest of the members, except for the members of u.ssl3.locked, may
- * be modified only when the sid is not in any cache.
- */
-
- CERTCertificate *peerCert;
- CERTCertificate *peerCertChain[MAX_PEER_CERT_CHAIN_SIZE];
- SECItemArray peerCertStatus; /* client only */
- const char *peerID; /* client only */
- const char *urlSvrName; /* client only */
- CERTCertificate *localCert;
-
- PRIPv6Addr addr;
- PRUint16 port;
-
- SSL3ProtocolVersion version;
-
- PRUint32 creationTime; /* seconds since Jan 1, 1970 */
- PRUint32 expirationTime; /* seconds since Jan 1, 1970 */
-
- SSLSignType authAlgorithm;
- PRUint32 authKeyBits;
- SSLKEAType keaType;
- PRUint32 keaKeyBits;
-
- union {
- struct {
- /* the V2 code depends upon the size of sessionID. */
- unsigned char sessionID[SSL2_SESSIONID_BYTES];
-
- /* Stuff used to recreate key and read/write cipher objects */
- SECItem masterKey; /* never wrapped */
- int cipherType;
- SECItem cipherArg;
- int keyBits;
- int secretKeyBits;
- } ssl2;
- struct {
- /* values that are copied into the server's on-disk SID cache. */
- PRUint8 sessionIDLength;
- SSL3Opaque sessionID[SSL3_SESSIONID_BYTES];
-
- ssl3CipherSuite cipherSuite;
- SSLCompressionMethod compression;
- int policy;
- ssl3SidKeys keys;
- CK_MECHANISM_TYPE masterWrapMech;
- /* mechanism used to wrap master secret */
- SSL3KEAType exchKeyType;
- /* key type used in exchange algorithm,
- * and to wrap the sym wrapping key. */
-#ifndef NSS_DISABLE_ECC
- PRUint32 negotiatedECCurves;
-#endif /* NSS_DISABLE_ECC */
-
- /* The following values are NOT restored from the server's on-disk
- * session cache, but are restored from the client's cache.
- */
- PK11SymKey *clientWriteKey;
- PK11SymKey *serverWriteKey;
-
- /* The following values pertain to the slot that wrapped the
- ** master secret. (used only in client)
- */
- SECMODModuleID masterModuleID;
- /* what module wrapped the master secret */
- CK_SLOT_ID masterSlotID;
- PRUint16 masterWrapIndex;
- /* what's the key index for the wrapping key */
- PRUint16 masterWrapSeries;
- /* keep track of the slot series, so we don't
- * accidently try to use new keys after the
- * card gets removed and replaced.*/
-
- /* The following values pertain to the slot that did the signature
- ** for client auth. (used only in client)
- */
- SECMODModuleID clAuthModuleID;
- CK_SLOT_ID clAuthSlotID;
- PRUint16 clAuthSeries;
-
- char masterValid;
- char clAuthValid;
-
- SECItem srvName;
-
- /* originalHandshakeHash contains the hash of the original, full
- * handshake prior to the server's final flow. This is either a
- * SHA-1/MD5 combination (for TLS < 1.2) or the TLS PRF hash (for
- * TLS 1.2). This is recorded and used only when ChannelID is
- * negotiated as it's used to bind the ChannelID signature on the
- * resumption handshake to the original handshake. */
- SECItem originalHandshakeHash;
-
- /* Signed certificate timestamps received in a TLS extension.
- ** (used only in client).
- */
- SECItem signedCertTimestamps;
-
- /* This lock is lazily initialized by CacheSID when a sid is first
- * cached. Before then, there is no need to lock anything because
- * the sid isn't being shared by anything.
- */
- PRRWLock *lock;
-
- /* The lock must be held while reading or writing these members
- * because they change while the sid is cached.
- */
- struct {
- /* The session ticket, if we have one, is sent as an extension
- * in the ClientHello message. This field is used only by
- * clients. It is protected by lock when lock is non-null
- * (after the sid has been added to the client session cache).
- */
- NewSessionTicket sessionTicket;
- } locked;
- } ssl3;
- } u;
-};
-
-typedef struct ssl3CipherSuiteDefStr {
- ssl3CipherSuite cipher_suite;
- SSL3BulkCipher bulk_cipher_alg;
- SSL3MACAlgorithm mac_alg;
- SSL3KeyExchangeAlgorithm key_exchange_alg;
-} ssl3CipherSuiteDef;
-
-/*
-** There are tables of these, all const.
-*/
-typedef struct {
- SSL3KeyExchangeAlgorithm kea;
- SSL3KEAType exchKeyType;
- SSLSignType signKeyType;
- /* For export cipher suites:
- * is_limited identifies a suite as having a limit on the key size.
- * key_size_limit provides the corresponding limit. */
- PRBool is_limited;
- unsigned int key_size_limit;
- PRBool tls_keygen;
- /* True if the key exchange for the suite is ephemeral. Or to be more
- * precise: true if the ServerKeyExchange message is always required. */
- PRBool ephemeral;
- /* An OID describing the key exchange */
- SECOidTag oid;
-} ssl3KEADef;
-
-/*
-** There are tables of these, all const.
-*/
-struct ssl3BulkCipherDefStr {
- SSL3BulkCipher cipher;
- SSLCipherAlgorithm calg;
- int key_size;
- int secret_key_size;
- CipherType type;
- int iv_size;
- int block_size;
- int tag_size; /* authentication tag size for AEAD ciphers. */
- int explicit_nonce_size; /* for AEAD ciphers. */
- SECOidTag oid;
-};
-
-/*
-** There are tables of these, all const.
-*/
-struct ssl3MACDefStr {
- SSL3MACAlgorithm mac;
- CK_MECHANISM_TYPE mmech;
- int pad_size;
- int mac_size;
- SECOidTag oid;
-};
-
-typedef enum {
- wait_client_hello,
- wait_client_cert,
- wait_client_key,
- wait_cert_verify,
- wait_change_cipher,
- wait_finished,
- wait_server_hello,
- wait_certificate_status,
- wait_server_cert,
- wait_server_key,
- wait_cert_request,
- wait_hello_done,
- wait_new_session_ticket,
- wait_encrypted_extensions,
- idle_handshake,
- wait_invalid /* Invalid value. There is no handshake message "invalid". */
-} SSL3WaitState;
-
-/*
- * TLS extension related constants and data structures.
- */
-typedef struct TLSExtensionDataStr TLSExtensionData;
-typedef struct SessionTicketDataStr SessionTicketData;
-
-struct TLSExtensionDataStr {
- /* registered callbacks that send server hello extensions */
- ssl3HelloExtensionSender serverHelloSenders[SSL_MAX_EXTENSIONS];
- ssl3HelloExtensionSender encryptedExtensionsSenders[SSL_MAX_EXTENSIONS];
-
- /* Keep track of the extensions that are negotiated. */
- PRUint16 numAdvertised;
- PRUint16 numNegotiated;
- PRUint16 advertised[SSL_MAX_EXTENSIONS];
- PRUint16 negotiated[SSL_MAX_EXTENSIONS];
-
- /* SessionTicket Extension related data. */
- PRBool ticketTimestampVerified;
- PRBool emptySessionTicket;
- PRBool sentSessionTicketInClientHello;
-
- /* SNI Extension related data
- * Names data is not coppied from the input buffer. It can not be
- * used outside the scope where input buffer is defined and that
- * is beyond ssl3_HandleClientHello function. */
- SECItem *sniNameArr;
- PRUint32 sniNameArrSize;
-
- /* Signed Certificate Timestamps extracted from the TLS extension.
- * (client only).
- * This container holds a temporary pointer to the extension data,
- * until a session structure (the sec.ci.sid of an sslSocket) is setup
- * that can hold a permanent copy of the data
- * (in sec.ci.sid.u.ssl3.signedCertTimestamps).
- * The data pointed to by this structure is neither explicitly allocated
- * nor copied: the pointer points to the handshake message buffer and is
- * only valid in the scope of ssl3_HandleServerHello.
- */
- SECItem signedCertTimestamps;
-};
-
-typedef SECStatus (*sslRestartTarget)(sslSocket *);
-
-/*
-** A DTLS queued message (potentially to be retransmitted)
-*/
-typedef struct DTLSQueuedMessageStr {
- PRCList link; /* The linked list link */
- DTLSEpoch epoch; /* The epoch to use */
- SSL3ContentType type; /* The message type */
- unsigned char *data; /* The data */
- PRUint16 len; /* The data length */
-} DTLSQueuedMessage;
-
-typedef struct TLS13KeyShareEntryStr {
- PRCList link; /* The linked list link */
- PRUint16 group; /* The group for the entry */
- SECItem key_exchange; /* The share itself */
-} TLS13KeyShareEntry;
-
-typedef enum {
- handshake_hash_unknown = 0,
- handshake_hash_combo = 1, /* The MD5/SHA-1 combination */
- handshake_hash_single = 2 /* A single hash */
-} SSL3HandshakeHashType;
-
-/*
-** This is the "hs" member of the "ssl3" struct.
-** This entire struct is protected by ssl3HandshakeLock
-*/
-typedef struct SSL3HandshakeStateStr {
- SSL3Random server_random;
- SSL3Random client_random;
- SSL3WaitState ws; /* May also contain SSL3WaitState | 0x80 for TLS 1.3 */
-
- /* This group of members is used for handshake running hashes. */
- SSL3HandshakeHashType hashType;
- sslBuffer messages; /* Accumulated handshake messages */
-#ifndef NO_PKCS11_BYPASS
- /* Bypass mode:
- * SSL 3.0 - TLS 1.1 use both |md5_cx| and |sha_cx|. |md5_cx| is used for
- * MD5 and |sha_cx| for SHA-1.
- * TLS 1.2 and later use only |sha_cx|, for SHA-256. NOTE: When we support
- * SHA-384, increase MAX_MAC_CONTEXT_BYTES to 712. */
- PRUint64 md5_cx[MAX_MAC_CONTEXT_LLONGS];
- PRUint64 sha_cx[MAX_MAC_CONTEXT_LLONGS];
- const SECHashObject *sha_obj;
- /* The function prototype of sha_obj->clone() does not match the prototype
- * of the freebl <HASH>_Clone functions, so we need a dedicated function
- * pointer for the <HASH>_Clone function. */
- void (*sha_clone)(void *dest, void *src);
-#endif
- /* PKCS #11 mode:
- * SSL 3.0 - TLS 1.1 use both |md5| and |sha|. |md5| is used for MD5 and
- * |sha| for SHA-1.
- * TLS 1.2 and later use only |sha|, for SHA-256. */
- /* NOTE: On the client side, TLS 1.2 and later use |md5| as a backup
- * handshake hash for generating client auth signatures. Confusingly, the
- * backup hash function is SHA-1. */
-#define backupHash md5
- PK11Context *md5;
- PK11Context *sha;
-
- const ssl3KEADef *kea_def;
- ssl3CipherSuite cipher_suite;
- const ssl3CipherSuiteDef *suite_def;
- SSLCompressionMethod compression;
- sslBuffer msg_body; /* protected by recvBufLock */
- /* partial handshake message from record layer */
- unsigned int header_bytes;
- /* number of bytes consumed from handshake */
- /* message for message type and header length */
- SSL3HandshakeType msg_type;
- unsigned long msg_len;
- SECItem ca_list; /* used only by client */
- PRBool isResuming; /* are we resuming a session */
- PRBool usedStepDownKey; /* we did a server key exchange. */
- PRBool sendingSCSV; /* instead of empty RI */
- sslBuffer msgState; /* current state for handshake messages*/
- /* protected by recvBufLock */
-
- /* The session ticket received in a NewSessionTicket message is temporarily
- * stored in newSessionTicket until the handshake is finished; then it is
- * moved to the sid.
- */
- PRBool receivedNewSessionTicket;
- NewSessionTicket newSessionTicket;
-
- PRUint16 finishedBytes; /* size of single finished below */
- union {
- TLSFinished tFinished[2]; /* client, then server */
- SSL3Finished sFinished[2];
- SSL3Opaque data[72];
- } finishedMsgs;
-#ifndef NSS_DISABLE_ECC
- PRUint32 negotiatedECCurves; /* bit mask */
-#endif /* NSS_DISABLE_ECC */
-
- PRBool authCertificatePending;
- /* Which function should SSL_RestartHandshake* call if we're blocked?
- * One of NULL, ssl3_SendClientSecondRound, ssl3_FinishHandshake,
- * or ssl3_AlwaysFail */
- sslRestartTarget restartTarget;
- /* Shared state between ssl3_HandleFinished and ssl3_FinishHandshake */
- PRBool cacheSID;
-
- PRBool canFalseStart; /* Can/did we False Start */
- /* Which preliminaryinfo values have been set. */
- PRUint32 preliminaryInfo;
-
- /* clientSigAndHash contains the contents of the signature_algorithms
- * extension (if any) from the client. This is only valid for TLS 1.2
- * or later. */
- SSLSignatureAndHashAlg *clientSigAndHash;
- unsigned int numClientSigAndHash;
-
- /* This group of values is used for DTLS */
- PRUint16 sendMessageSeq; /* The sending message sequence
- * number */
- PRCList lastMessageFlight; /* The last message flight we
- * sent */
- PRUint16 maxMessageSent; /* The largest message we sent */
- PRUint16 recvMessageSeq; /* The receiving message sequence
- * number */
- sslBuffer recvdFragments; /* The fragments we have received in
- * a bitmask */
- PRInt32 recvdHighWater; /* The high water mark for fragments
- * received. -1 means no reassembly
- * in progress. */
- unsigned char cookie[32]; /* The cookie */
- unsigned char cookieLen; /* The length of the cookie */
- PRIntervalTime rtTimerStarted; /* When the timer was started */
- DTLSTimerCb rtTimerCb; /* The function to call on expiry */
- PRUint32 rtTimeoutMs; /* The length of the current timeout
- * used for backoff (in ms) */
- PRUint32 rtRetries; /* The retry counter */
-
- /* This group of values is used for TLS 1.3 and above */
- PRCList remoteKeyShares; /* The other side's public keys */
- PK11SymKey *xSS; /* Extracted static secret */
- PK11SymKey *xES; /* Extracted ephemeral secret */
- PK11SymKey *trafficSecret; /* The source key to use to generate
- * traffic keys */
- PK11SymKey *clientFinishedSecret; /* Used for client Finished */
- PK11SymKey *serverFinishedSecret; /* Used for server Finished */
- unsigned char certReqContext[255]; /* Ties CertificateRequest
- * to Certificate */
- PRUint8 certReqContextLen; /* Length of the context
- * cannot be greater than 255. */
-} SSL3HandshakeState;
-
-/*
-** This is the "ssl3" struct, as in "ss->ssl3".
-** note:
-** usually, crSpec == cwSpec and prSpec == pwSpec.
-** Sometimes, crSpec == pwSpec and prSpec == cwSpec.
-** But there are never more than 2 actual specs.
-** No spec must ever be modified if either "current" pointer points to it.
-*/
-struct ssl3StateStr {
-
- /*
- ** The following Specs and Spec pointers must be protected using the
- ** Spec Lock.
- */
- ssl3CipherSpec *crSpec; /* current read spec. */
- ssl3CipherSpec *prSpec; /* pending read spec. */
- ssl3CipherSpec *cwSpec; /* current write spec. */
- ssl3CipherSpec *pwSpec; /* pending write spec. */
-
- CERTCertificate *clientCertificate; /* used by client */
- SECKEYPrivateKey *clientPrivateKey; /* used by client */
- CERTCertificateList *clientCertChain; /* used by client */
- PRBool sendEmptyCert; /* used by client */
-
- SECKEYPrivateKey *channelID; /* used by client */
- SECKEYPublicKey *channelIDPub; /* used by client */
-
- int policy;
- /* This says what cipher suites we can do, and should
- * be either SSL_ALLOWED or SSL_RESTRICTED
- */
- PLArenaPool *peerCertArena;
- /* These are used to keep track of the peer CA */
- void *peerCertChain;
- /* chain while we are trying to validate it. */
- CERTDistNames *ca_list;
- /* used by server. trusted CAs for this socket. */
- PRBool initialized;
- SSL3HandshakeState hs;
- ssl3CipherSpec specs[2]; /* one is current, one is pending. */
-
- /* In a client: if the server supports Next Protocol Negotiation, then
- * this is the protocol that was negotiated.
- */
- SECItem nextProto;
- SSLNextProtoState nextProtoState;
-
- PRUint16 mtu; /* Our estimate of the MTU */
-
- /* DTLS-SRTP cipher suite preferences (if any) */
- PRUint16 dtlsSRTPCiphers[MAX_DTLS_SRTP_CIPHER_SUITES];
- PRUint16 dtlsSRTPCipherCount;
- PRUint16 dtlsSRTPCipherSuite; /* 0 if not selected */
- PRBool fatalAlertSent;
- PRUint16 numDHEGroups; /* used by server */
- SSLDHEGroupType *dheGroups; /* used by server */
- PRBool dheWeakGroupEnabled; /* used by server */
-
- /* TLS 1.2 introduces separate signature algorithm negotiation.
- * This is our preference order. */
- SSLSignatureAndHashAlg signatureAlgorithms[MAX_SIGNATURE_ALGORITHMS];
- unsigned int signatureAlgorithmCount;
-
- /* The version to check if we fell back from our highest version
- * of TLS. Default is 0 in which case we check against the maximum
- * configured version for this socket. Used only on the client. */
- SSL3ProtocolVersion downgradeCheckVersion;
-};
-
-/* Ethernet MTU but without subtracting the headers,
- * so slightly larger than expected */
-#define DTLS_MAX_MTU 1500U
-#define IS_DTLS(ss) (ss->protocolVariant == ssl_variant_datagram)
-
-typedef struct {
- SSL3ContentType type;
- SSL3ProtocolVersion version;
- SSL3SequenceNumber seq_num; /* DTLS only */
- sslBuffer *buf;
-} SSL3Ciphertext;
-
-struct ssl3KeyPairStr {
- SECKEYPrivateKey *privKey;
- SECKEYPublicKey *pubKey;
- PRInt32 refCount; /* use PR_Atomic calls for this. */
-};
-
-struct ssl3DHParamsStr {
- SECItem prime; /* p */
- SECItem base; /* g */
-};
-
-typedef struct SSLWrappedSymWrappingKeyStr {
- SSL3Opaque wrappedSymmetricWrappingkey[512];
- CK_MECHANISM_TYPE symWrapMechanism;
- /* unwrapped symmetric wrapping key uses this mechanism */
- CK_MECHANISM_TYPE asymWrapMechanism;
- /* mechanism used to wrap the SymmetricWrappingKey using
- * server's public and/or private keys. */
- SSL3KEAType exchKeyType; /* type of keys used to wrap SymWrapKey*/
- PRInt32 symWrapMechIndex;
- PRUint16 wrappedSymKeyLen;
-} SSLWrappedSymWrappingKey;
-
-typedef struct SessionTicketStr {
- PRUint16 ticket_version;
- SSL3ProtocolVersion ssl_version;
- ssl3CipherSuite cipher_suite;
- SSLCompressionMethod compression_method;
- SSLSignType authAlgorithm;
- PRUint32 authKeyBits;
- SSLKEAType keaType;
- PRUint32 keaKeyBits;
- /*
- * exchKeyType and msWrapMech contain meaningful values only if
- * ms_is_wrapped is true.
- */
- PRUint8 ms_is_wrapped;
- SSLKEAType exchKeyType; /* XXX(wtc): same as keaType above? */
- CK_MECHANISM_TYPE msWrapMech;
- PRUint16 ms_length;
- SSL3Opaque master_secret[48];
- PRBool extendedMasterSecretUsed;
- ClientIdentity client_identity;
- SECItem peer_cert;
- PRUint32 timestamp;
- SECItem srvName; /* negotiated server name */
-} SessionTicket;
-
-/*
- * SSL2 buffers used in SSL3.
- * writeBuf in the SecurityInfo maintained by sslsecur.c is used
- * to hold the data just about to be passed to the kernel
- * sendBuf in the ConnectInfo maintained by sslcon.c is used
- * to hold handshake messages as they are accumulated
- */
-
-/*
-** This is "ci", as in "ss->sec.ci".
-**
-** Protection: All the variables in here are protected by
-** firstHandshakeLock AND (in ssl3) ssl3HandshakeLock
-*/
-struct sslConnectInfoStr {
- /* outgoing handshakes appended to this. */
- sslBuffer sendBuf; /*xmitBufLock*/ /* ssl 2 & 3 */
-
- PRIPv6Addr peer; /* ssl 2 & 3 */
- unsigned short port; /* ssl 2 & 3 */
-
- sslSessionID *sid; /* ssl 2 & 3 */
-
- /* see CIS_HAVE defines below for the bit values in *elements. */
- char elements; /* ssl2 only */
- char requiredElements; /* ssl2 only */
- char sentElements; /* ssl2 only */
-
- char sentFinished; /* ssl2 only */
-
- /* Length of server challenge. Used by client when saving challenge */
- int serverChallengeLen; /* ssl2 only */
- /* type of authentication requested by server */
- unsigned char authType; /* ssl2 only */
-
- /* Challenge sent by client to server in client-hello message */
- /* SSL3 gets a copy of this. See ssl3_StartHandshakeHash(). */
- unsigned char clientChallenge[SSL_MAX_CHALLENGE_BYTES]; /* ssl 2 & 3 */
-
- /* Connection-id sent by server to client in server-hello message */
- unsigned char connectionID[SSL_CONNECTIONID_BYTES]; /* ssl2 only */
-
- /* Challenge sent by server to client in request-certificate message */
- unsigned char serverChallenge[SSL_MAX_CHALLENGE_BYTES]; /* ssl2 only */
-
- /* Information kept to handle a request-certificate message */
- unsigned char readKey[SSL_MAX_MASTER_KEY_BYTES]; /* ssl2 only */
- unsigned char writeKey[SSL_MAX_MASTER_KEY_BYTES]; /* ssl2 only */
- unsigned keySize; /* ssl2 only */
-};
-
-/* bit values for ci->elements, ci->requiredElements, sentElements. */
-#define CIS_HAVE_MASTER_KEY 0x01
-#define CIS_HAVE_CERTIFICATE 0x02
-#define CIS_HAVE_FINISHED 0x04
-#define CIS_HAVE_VERIFY 0x08
-
-/* Note: The entire content of this struct and whatever it points to gets
- * blown away by SSL_ResetHandshake(). This is "sec" as in "ss->sec".
- *
- * Unless otherwise specified below, the contents of this struct are
- * protected by firstHandshakeLock AND (in ssl3) ssl3HandshakeLock.
- */
-struct sslSecurityInfoStr {
- sslSendFunc send; /*xmitBufLock*/ /* ssl 2 & 3 */
- int isServer; /* Spec Lock?*/ /* ssl 2 & 3 */
- sslBuffer writeBuf; /*xmitBufLock*/ /* ssl 2 & 3 */
-
- int cipherType; /* ssl 2 & 3 */
- int keyBits; /* ssl 2 & 3 */
- int secretKeyBits; /* ssl 2 & 3 */
- CERTCertificate *localCert; /* ssl 2 & 3 */
- CERTCertificate *peerCert; /* ssl 2 & 3 */
- SECKEYPublicKey *peerKey; /* ssl3 only */
-
- SSLSignType authAlgorithm;
- PRUint32 authKeyBits;
- SSLKEAType keaType;
- PRUint32 keaKeyBits;
-
- /*
- ** Procs used for SID cache (nonce) management.
- ** Different implementations exist for clients/servers
- ** The lookup proc is only used for servers. Baloney!
- */
- sslSessionIDCacheFunc cache; /* ssl 2 & 3 */
- sslSessionIDUncacheFunc uncache; /* ssl 2 & 3 */
-
- /*
- ** everything below here is for ssl2 only.
- ** This stuff is equivalent to SSL3's "spec", and is protected by the
- ** same "Spec Lock" as used for SSL3's specs.
- */
- PRUint32 sendSequence; /*xmitBufLock*/ /* ssl2 only */
- PRUint32 rcvSequence; /*recvBufLock*/ /* ssl2 only */
-
- /* Hash information; used for one-way-hash functions (MD2, MD5, etc.) */
- const SECHashObject *hash; /* Spec Lock */ /* ssl2 only */
- void *hashcx; /* Spec Lock */ /* ssl2 only */
-
- SECItem sendSecret; /* Spec Lock */ /* ssl2 only */
- SECItem rcvSecret; /* Spec Lock */ /* ssl2 only */
-
- /* Session cypher contexts; one for each direction */
- void *readcx; /* Spec Lock */ /* ssl2 only */
- void *writecx; /* Spec Lock */ /* ssl2 only */
- SSLCipher enc; /* Spec Lock */ /* ssl2 only */
- SSLCipher dec; /* Spec Lock */ /* ssl2 only */
- void (*destroy)(void *, PRBool); /* Spec Lock */ /* ssl2 only */
-
- /* Blocking information for the session cypher */
- int blockShift; /* Spec Lock */ /* ssl2 only */
- int blockSize; /* Spec Lock */ /* ssl2 only */
-
- /* These are used during a connection handshake */
- sslConnectInfo ci; /* ssl 2 & 3 */
-};
-
-/*
-** SSL Socket struct
-**
-** Protection: XXX
-*/
-struct sslSocketStr {
- PRFileDesc *fd;
-
- /* Pointer to operations vector for this socket */
- const sslSocketOps *ops;
-
- /* SSL socket options */
- sslOptions opt;
- /* Enabled version range */
- SSLVersionRange vrange;
-
- /* State flags */
- unsigned long clientAuthRequested;
- unsigned long delayDisabled; /* Nagle delay disabled */
- unsigned long firstHsDone; /* first handshake is complete. */
- unsigned long enoughFirstHsDone; /* enough of the first handshake is
- * done for callbacks to be able to
- * retrieve channel security
- * parameters from the SSL socket. */
- unsigned long handshakeBegun;
- unsigned long lastWriteBlocked;
- unsigned long recvdCloseNotify; /* received SSL EOF. */
- unsigned long TCPconnected;
- unsigned long appDataBuffered;
- unsigned long peerRequestedProtection; /* from old renegotiation */
-
- /* version of the protocol to use */
- SSL3ProtocolVersion version;
- SSL3ProtocolVersion clientHelloVersion; /* version sent in client hello. */
-
- sslSecurityInfo sec; /* not a pointer any more */
-
- /* protected by firstHandshakeLock AND (in ssl3) ssl3HandshakeLock. */
- const char *url; /* ssl 2 & 3 */
-
- sslHandshakeFunc handshake; /*firstHandshakeLock*/
- sslHandshakeFunc nextHandshake; /*firstHandshakeLock*/
- sslHandshakeFunc securityHandshake; /*firstHandshakeLock*/
-
- /* the following variable is only used with socks or other proxies. */
- char *peerID; /* String uniquely identifies target server. */
-
- unsigned char *cipherSpecs;
- unsigned int sizeCipherSpecs;
- const unsigned char *preferredCipher;
-
- /* TLS ClientCertificateTypes requested during HandleCertificateRequest. */
- /* Will be NULL at all other times. */
- const SECItem *requestedCertTypes;
-
- ssl3KeyPair *stepDownKeyPair; /* RSA step down keys */
-
- const ssl3DHParams *dheParams; /* DHE param */
- ssl3KeyPair *dheKeyPair; /* DHE keys */
-
- /* Callbacks */
- SSLAuthCertificate authCertificate;
- void *authCertificateArg;
- SSLGetClientAuthData getClientAuthData;
- void *getClientAuthDataArg;
- SSLSNISocketConfig sniSocketConfig;
- void *sniSocketConfigArg;
- SSLBadCertHandler handleBadCert;
- void *badCertArg;
- SSLHandshakeCallback handshakeCallback;
- void *handshakeCallbackData;
- SSLCanFalseStartCallback canFalseStartCallback;
- void *canFalseStartCallbackData;
- void *pkcs11PinArg;
- SSLNextProtoCallback nextProtoCallback;
- void *nextProtoArg;
-
- SSLClientChannelIDCallback getChannelID;
- void *getChannelIDArg;
-
- PRIntervalTime rTimeout; /* timeout for NSPR I/O */
- PRIntervalTime wTimeout; /* timeout for NSPR I/O */
- PRIntervalTime cTimeout; /* timeout for NSPR I/O */
-
- PZLock *recvLock; /* lock against multiple reader threads. */
- PZLock *sendLock; /* lock against multiple sender threads. */
-
- PZMonitor *recvBufLock; /* locks low level recv buffers. */
- PZMonitor *xmitBufLock; /* locks low level xmit buffers. */
-
- /* Only one thread may operate on the socket until the initial handshake
- ** is complete. This Monitor ensures that. Since SSL2 handshake is
- ** only done once, this is also effectively the SSL2 handshake lock.
- */
- PZMonitor *firstHandshakeLock;
-
- /* This monitor protects the ssl3 handshake state machine data.
- ** Only one thread (reader or writer) may be in the ssl3 handshake state
- ** machine at any time. */
- PZMonitor *ssl3HandshakeLock;
-
- /* reader/writer lock, protects the secret data needed to encrypt and MAC
- ** outgoing records, and to decrypt and MAC check incoming ciphertext
- ** records. */
- NSSRWLock *specLock;
-
- /* handle to perm cert db (and implicitly to the temp cert db) used
- ** with this socket.
- */
- CERTCertDBHandle *dbHandle;
-
- PRThread *writerThread; /* thread holds SSL_LOCK_WRITER lock */
-
- PRUint16 shutdownHow; /* See ssl_SHUTDOWN defines below. */
-
- PRUint16 allowedByPolicy; /* copy of global policy bits. */
- PRUint16 maybeAllowedByPolicy; /* copy of global policy bits. */
- PRUint16 chosenPreference; /* SSL2 cipher preferences. */
-
- sslHandshakingType handshaking;
-
- /* Gather object used for gathering data */
- sslGather gs; /*recvBufLock*/
-
- sslBuffer saveBuf; /*xmitBufLock*/
- sslBuffer pendingBuf; /*xmitBufLock*/
-
- /* Configuration state for server sockets */
- /* server cert and key for each KEA type */
- sslServerCerts serverCerts[kt_kea_size];
- /* each cert needs its own status */
- SECItemArray *certStatusArray[kt_kea_size];
- /* Serialized signed certificate timestamps to be sent to the client
- ** in a TLS extension (server only). Each certificate needs its own
- ** timestamps item.
- */
- SECItem signedCertTimestamps[kt_kea_size];
-
- ssl3CipherSuiteCfg cipherSuites[ssl_V3_SUITES_IMPLEMENTED];
- ssl3KeyPair *ephemeralECDHKeyPair; /* for ECDHE-* handshake */
-
- /* SSL3 state info. Formerly was a pointer */
- ssl3State ssl3;
-
- /*
- * TLS extension related data.
- */
- /* True when the current session is a stateless resume. */
- PRBool statelessResume;
- TLSExtensionData xtnData;
-
- /* Whether we are doing stream or datagram mode */
- SSLProtocolVariant protocolVariant;
-};
-
-/* All the global data items declared here should be protected using the
-** ssl_global_data_lock, which is a reader/writer lock.
-*/
-extern NSSRWLock *ssl_global_data_lock;
-extern char ssl_debug;
-extern char ssl_trace;
-extern FILE *ssl_trace_iob;
-extern FILE *ssl_keylog_iob;
-extern CERTDistNames *ssl3_server_ca_list;
-extern PRUint32 ssl_sid_timeout;
-extern PRUint32 ssl3_sid_timeout;
-
-extern const char *const ssl_cipherName[];
-extern const char *const ssl3_cipherName[];
-
-extern sslSessionIDLookupFunc ssl_sid_lookup;
-extern sslSessionIDCacheFunc ssl_sid_cache;
-extern sslSessionIDUncacheFunc ssl_sid_uncache;
-
-/************************************************************************/
-
-SEC_BEGIN_PROTOS
-
-/* Internal initialization and installation of the SSL error tables */
-extern SECStatus ssl_Init(void);
-extern SECStatus ssl_InitializePRErrorTable(void);
-
-/* Implementation of ops for default (non socks, non secure) case */
-extern int ssl_DefConnect(sslSocket *ss, const PRNetAddr *addr);
-extern PRFileDesc *ssl_DefAccept(sslSocket *ss, PRNetAddr *addr);
-extern int ssl_DefBind(sslSocket *ss, const PRNetAddr *addr);
-extern int ssl_DefListen(sslSocket *ss, int backlog);
-extern int ssl_DefShutdown(sslSocket *ss, int how);
-extern int ssl_DefClose(sslSocket *ss);
-extern int ssl_DefRecv(sslSocket *ss, unsigned char *buf, int len, int flags);
-extern int ssl_DefSend(sslSocket *ss, const unsigned char *buf,
- int len, int flags);
-extern int ssl_DefRead(sslSocket *ss, unsigned char *buf, int len);
-extern int ssl_DefWrite(sslSocket *ss, const unsigned char *buf, int len);
-extern int ssl_DefGetpeername(sslSocket *ss, PRNetAddr *name);
-extern int ssl_DefGetsockname(sslSocket *ss, PRNetAddr *name);
-extern int ssl_DefGetsockopt(sslSocket *ss, PRSockOption optname,
- void *optval, PRInt32 *optlen);
-extern int ssl_DefSetsockopt(sslSocket *ss, PRSockOption optname,
- const void *optval, PRInt32 optlen);
-
-/* Implementation of ops for socks only case */
-extern int ssl_SocksConnect(sslSocket *ss, const PRNetAddr *addr);
-extern PRFileDesc *ssl_SocksAccept(sslSocket *ss, PRNetAddr *addr);
-extern int ssl_SocksBind(sslSocket *ss, const PRNetAddr *addr);
-extern int ssl_SocksListen(sslSocket *ss, int backlog);
-extern int ssl_SocksGetsockname(sslSocket *ss, PRNetAddr *name);
-extern int ssl_SocksRecv(sslSocket *ss, unsigned char *buf, int len, int flags);
-extern int ssl_SocksSend(sslSocket *ss, const unsigned char *buf,
- int len, int flags);
-extern int ssl_SocksRead(sslSocket *ss, unsigned char *buf, int len);
-extern int ssl_SocksWrite(sslSocket *ss, const unsigned char *buf, int len);
-
-/* Implementation of ops for secure only case */
-extern int ssl_SecureConnect(sslSocket *ss, const PRNetAddr *addr);
-extern PRFileDesc *ssl_SecureAccept(sslSocket *ss, PRNetAddr *addr);
-extern int ssl_SecureRecv(sslSocket *ss, unsigned char *buf,
- int len, int flags);
-extern int ssl_SecureSend(sslSocket *ss, const unsigned char *buf,
- int len, int flags);
-extern int ssl_SecureRead(sslSocket *ss, unsigned char *buf, int len);
-extern int ssl_SecureWrite(sslSocket *ss, const unsigned char *buf, int len);
-extern int ssl_SecureShutdown(sslSocket *ss, int how);
-extern int ssl_SecureClose(sslSocket *ss);
-
-/* Implementation of ops for secure socks case */
-extern int ssl_SecureSocksConnect(sslSocket *ss, const PRNetAddr *addr);
-extern PRFileDesc *ssl_SecureSocksAccept(sslSocket *ss, PRNetAddr *addr);
-extern PRFileDesc *ssl_FindTop(sslSocket *ss);
-
-/* Gather funcs. */
-extern sslGather *ssl_NewGather(void);
-extern SECStatus ssl_InitGather(sslGather *gs);
-extern void ssl_DestroyGather(sslGather *gs);
-extern int ssl2_GatherData(sslSocket *ss, sslGather *gs, int flags);
-extern int ssl2_GatherRecord(sslSocket *ss, int flags);
-extern SECStatus ssl_GatherRecord1stHandshake(sslSocket *ss);
-
-extern SECStatus ssl2_HandleClientHelloMessage(sslSocket *ss);
-extern SECStatus ssl2_HandleServerHelloMessage(sslSocket *ss);
-
-extern SECStatus ssl_CreateSecurityInfo(sslSocket *ss);
-extern SECStatus ssl_CopySecurityInfo(sslSocket *ss, sslSocket *os);
-extern void ssl_ResetSecurityInfo(sslSecurityInfo *sec, PRBool doMemset);
-extern void ssl_DestroySecurityInfo(sslSecurityInfo *sec);
-
-extern void ssl_PrintBuf(sslSocket *ss, const char *msg, const void *cp, int len);
-extern void ssl_DumpMsg(sslSocket *ss, unsigned char *bp, unsigned len);
-
-extern int ssl_SendSavedWriteData(sslSocket *ss);
-extern SECStatus ssl_SaveWriteData(sslSocket *ss,
- const void *p, unsigned int l);
-extern SECStatus ssl2_BeginClientHandshake(sslSocket *ss);
-extern SECStatus ssl2_BeginServerHandshake(sslSocket *ss);
-extern int ssl_Do1stHandshake(sslSocket *ss);
-
-extern SECStatus sslBuffer_Grow(sslBuffer *b, unsigned int newLen);
-extern SECStatus sslBuffer_Append(sslBuffer *b, const void *data,
- unsigned int len);
-
-extern void ssl2_UseClearSendFunc(sslSocket *ss);
-extern void ssl_ChooseSessionIDProcs(sslSecurityInfo *sec);
-
-extern sslSessionID *ssl3_NewSessionID(sslSocket *ss, PRBool is_server);
-extern sslSessionID *ssl_LookupSID(const PRIPv6Addr *addr, PRUint16 port,
- const char *peerID, const char *urlSvrName);
-extern void ssl_FreeSID(sslSessionID *sid);
-
-extern int ssl3_SendApplicationData(sslSocket *ss, const PRUint8 *in,
- int len, int flags);
-
-extern PRBool ssl_FdIsBlocking(PRFileDesc *fd);
-
-extern PRBool ssl_SocketIsBlocking(sslSocket *ss);
-
-extern void ssl3_SetAlwaysBlock(sslSocket *ss);
-
-extern SECStatus ssl_EnableNagleDelay(sslSocket *ss, PRBool enabled);
-
-extern void ssl_FinishHandshake(sslSocket *ss);
-
-extern SECStatus ssl_CipherPolicySet(PRInt32 which, PRInt32 policy);
-
-extern SECStatus ssl_CipherPrefSetDefault(PRInt32 which, PRBool enabled);
-
-extern SECStatus ssl3_ConstrainRangeByPolicy(void);
-
-/* Returns PR_TRUE if we are still waiting for the server to complete its
- * response to our client second round. Once we've received the Finished from
- * the server then there is no need to check false start.
- */
-extern PRBool ssl3_WaitingForServerSecondRound(sslSocket *ss);
-
-extern SECStatus
-ssl3_CompressMACEncryptRecord(ssl3CipherSpec *cwSpec,
- PRBool isServer,
- PRBool isDTLS,
- PRBool capRecordVersion,
- SSL3ContentType type,
- const SSL3Opaque *pIn,
- PRUint32 contentLen,
- sslBuffer *wrBuf);
-
-extern PRInt32 ssl3_SendRecord(sslSocket *ss, DTLSEpoch epoch,
- SSL3ContentType type,
- const SSL3Opaque *pIn, PRInt32 nIn,
- PRInt32 flags);
-
-#ifdef NSS_SSL_ENABLE_ZLIB
-/*
- * The DEFLATE algorithm can result in an expansion of 0.1% + 12 bytes. For a
- * maximum TLS record payload of 2**14 bytes, that's 29 bytes.
- */
-#define SSL3_COMPRESSION_MAX_EXPANSION 29
-#else /* !NSS_SSL_ENABLE_ZLIB */
-#define SSL3_COMPRESSION_MAX_EXPANSION 0
-#endif
-
-/*
- * make sure there is room in the write buffer for padding and
- * other compression and cryptographic expansions.
- */
-#define SSL3_BUFFER_FUDGE 100 + SSL3_COMPRESSION_MAX_EXPANSION
-
-#define SSL_LOCK_READER(ss) \
- if (ss->recvLock) \
- PZ_Lock(ss->recvLock)
-#define SSL_UNLOCK_READER(ss) \
- if (ss->recvLock) \
- PZ_Unlock(ss->recvLock)
-#define SSL_LOCK_WRITER(ss) \
- if (ss->sendLock) \
- PZ_Lock(ss->sendLock)
-#define SSL_UNLOCK_WRITER(ss) \
- if (ss->sendLock) \
- PZ_Unlock(ss->sendLock)
-
-/* firstHandshakeLock -> recvBufLock */
-#define ssl_Get1stHandshakeLock(ss) \
- { \
- if (!ss->opt.noLocks) { \
- PORT_Assert(PZ_InMonitor((ss)->firstHandshakeLock) || \
- !ssl_HaveRecvBufLock(ss)); \
- PZ_EnterMonitor((ss)->firstHandshakeLock); \
- } \
- }
-#define ssl_Release1stHandshakeLock(ss) \
- { \
- if (!ss->opt.noLocks) \
- PZ_ExitMonitor((ss)->firstHandshakeLock); \
- }
-#define ssl_Have1stHandshakeLock(ss) \
- (PZ_InMonitor((ss)->firstHandshakeLock))
-
-/* ssl3HandshakeLock -> xmitBufLock */
-#define ssl_GetSSL3HandshakeLock(ss) \
- { \
- if (!ss->opt.noLocks) { \
- PORT_Assert(!ssl_HaveXmitBufLock(ss)); \
- PZ_EnterMonitor((ss)->ssl3HandshakeLock); \
- } \
- }
-#define ssl_ReleaseSSL3HandshakeLock(ss) \
- { \
- if (!ss->opt.noLocks) \
- PZ_ExitMonitor((ss)->ssl3HandshakeLock); \
- }
-#define ssl_HaveSSL3HandshakeLock(ss) \
- (PZ_InMonitor((ss)->ssl3HandshakeLock))
-
-#define ssl_GetSpecReadLock(ss) \
- { \
- if (!ss->opt.noLocks) \
- NSSRWLock_LockRead((ss)->specLock); \
- }
-#define ssl_ReleaseSpecReadLock(ss) \
- { \
- if (!ss->opt.noLocks) \
- NSSRWLock_UnlockRead((ss)->specLock); \
- }
-/* NSSRWLock_HaveReadLock is not exported so there's no
- * ssl_HaveSpecReadLock macro. */
-
-#define ssl_GetSpecWriteLock(ss) \
- { \
- if (!ss->opt.noLocks) \
- NSSRWLock_LockWrite((ss)->specLock); \
- }
-#define ssl_ReleaseSpecWriteLock(ss) \
- { \
- if (!ss->opt.noLocks) \
- NSSRWLock_UnlockWrite((ss)->specLock); \
- }
-#define ssl_HaveSpecWriteLock(ss) \
- (NSSRWLock_HaveWriteLock((ss)->specLock))
-
-/* recvBufLock -> ssl3HandshakeLock -> xmitBufLock */
-#define ssl_GetRecvBufLock(ss) \
- { \
- if (!ss->opt.noLocks) { \
- PORT_Assert(!ssl_HaveSSL3HandshakeLock(ss)); \
- PORT_Assert(!ssl_HaveXmitBufLock(ss)); \
- PZ_EnterMonitor((ss)->recvBufLock); \
- } \
- }
-#define ssl_ReleaseRecvBufLock(ss) \
- { \
- if (!ss->opt.noLocks) \
- PZ_ExitMonitor((ss)->recvBufLock); \
- }
-#define ssl_HaveRecvBufLock(ss) \
- (PZ_InMonitor((ss)->recvBufLock))
-
-/* xmitBufLock -> specLock */
-#define ssl_GetXmitBufLock(ss) \
- { \
- if (!ss->opt.noLocks) \
- PZ_EnterMonitor((ss)->xmitBufLock); \
- }
-#define ssl_ReleaseXmitBufLock(ss) \
- { \
- if (!ss->opt.noLocks) \
- PZ_ExitMonitor((ss)->xmitBufLock); \
- }
-#define ssl_HaveXmitBufLock(ss) \
- (PZ_InMonitor((ss)->xmitBufLock))
-
-/* Placeholder value used in version ranges when SSL 3.0 and all
- * versions of TLS are disabled.
- */
-#define SSL_LIBRARY_VERSION_NONE 0
-
-/* SSL_LIBRARY_VERSION_MAX_SUPPORTED is the maximum version that this version
- * of libssl supports. Applications should use SSL_VersionRangeGetSupported at
- * runtime to determine which versions are supported by the version of libssl
- * in use.
- */
-#ifdef NSS_ENABLE_TLS_1_3
-#define SSL_LIBRARY_VERSION_MAX_SUPPORTED SSL_LIBRARY_VERSION_TLS_1_3
-#else
-#define SSL_LIBRARY_VERSION_MAX_SUPPORTED SSL_LIBRARY_VERSION_TLS_1_2
-#endif
-
-/* Rename this macro SSL_ALL_VERSIONS_DISABLED when SSL 2.0 is removed. */
-#define SSL3_ALL_VERSIONS_DISABLED(vrange) \
- ((vrange)->min == SSL_LIBRARY_VERSION_NONE)
-
-extern PRBool ssl3_VersionIsSupported(SSLProtocolVariant protocolVariant,
- SSL3ProtocolVersion version);
-
-extern SECStatus ssl3_KeyAndMacDeriveBypass(ssl3CipherSpec *pwSpec,
- const unsigned char *cr, const unsigned char *sr,
- PRBool isTLS, PRBool isExport);
-extern SECStatus ssl3_MasterSecretDeriveBypass(ssl3CipherSpec *pwSpec,
- const unsigned char *cr, const unsigned char *sr,
- const SECItem *pms, PRBool isTLS, PRBool isRSA);
-
-/* These functions are called from secnav, even though they're "private". */
-
-extern int ssl2_SendErrorMessage(struct sslSocketStr *ss, int error);
-extern sslSocket *ssl_FindSocket(PRFileDesc *fd);
-extern void ssl_FreeSocket(struct sslSocketStr *ssl);
-extern SECStatus SSL3_SendAlert(sslSocket *ss, SSL3AlertLevel level,
- SSL3AlertDescription desc);
-extern SECStatus ssl3_DecodeError(sslSocket *ss);
-
-extern SECStatus ssl3_RestartHandshakeAfterCertReq(struct sslSocketStr *ss,
- CERTCertificate *cert,
- SECKEYPrivateKey *key,
- CERTCertificateList *certChain);
-
-extern SECStatus ssl3_RestartHandshakeAfterChannelIDReq(
- sslSocket *ss,
- SECKEYPublicKey *channelIDPub,
- SECKEYPrivateKey *channelID);
-
-extern SECStatus ssl3_AuthCertificateComplete(sslSocket *ss, PRErrorCode error);
-
-/*
- * for dealing with SSL 3.0 clients sending SSL 2.0 format hellos
- */
-extern SECStatus ssl3_HandleV2ClientHello(
- sslSocket *ss, unsigned char *buffer, int length);
-extern SECStatus ssl3_StartHandshakeHash(
- sslSocket *ss, unsigned char *buf, int length);
-
-/*
- * SSL3 specific routines
- */
-SECStatus ssl3_SendClientHello(sslSocket *ss, PRBool resending);
-
-/*
- * input into the SSL3 machinery from the actualy network reading code
- */
-SECStatus ssl3_HandleRecord(
- sslSocket *ss, SSL3Ciphertext *cipher, sslBuffer *out);
-
-int ssl3_GatherAppDataRecord(sslSocket *ss, int flags);
-int ssl3_GatherCompleteHandshake(sslSocket *ss, int flags);
-/*
- * When talking to export clients or using export cipher suites, servers
- * with public RSA keys larger than 512 bits need to use a 512-bit public
- * key, signed by the larger key. The smaller key is a "step down" key.
- * Generate that key pair and keep it around.
- */
-extern SECStatus ssl3_CreateRSAStepDownKeys(sslSocket *ss);
-
-extern SECStatus ssl3_SelectDHParams(sslSocket *ss);
-
-#ifndef NSS_DISABLE_ECC
-extern void ssl3_FilterECCipherSuitesByServerCerts(sslSocket *ss);
-extern PRBool ssl3_IsECCEnabled(sslSocket *ss);
-extern SECStatus ssl3_DisableECCSuites(sslSocket *ss,
- const ssl3CipherSuite *suite);
-extern PRUint32 ssl3_GetSupportedECCurveMask(sslSocket *ss);
-
-/* Macro for finding a curve equivalent in strength to RSA key's */
-/* clang-format off */
-#define SSL_RSASTRENGTH_TO_ECSTRENGTH(s) \
- ((s <= 1024) ? 160 \
- : ((s <= 2048) ? 224 \
- : ((s <= 3072) ? 256 \
- : ((s <= 7168) ? 384 \
- : 521 ) ) ) )
-/* clang-format on */
-
-/* Types and names of elliptic curves used in TLS */
-typedef enum { ec_type_explicitPrime = 1,
- ec_type_explicitChar2Curve = 2,
- ec_type_named
-} ECType;
-
-typedef enum { ec_noName = 0,
- ec_sect163k1 = 1,
- ec_sect163r1 = 2,
- ec_sect163r2 = 3,
- ec_sect193r1 = 4,
- ec_sect193r2 = 5,
- ec_sect233k1 = 6,
- ec_sect233r1 = 7,
- ec_sect239k1 = 8,
- ec_sect283k1 = 9,
- ec_sect283r1 = 10,
- ec_sect409k1 = 11,
- ec_sect409r1 = 12,
- ec_sect571k1 = 13,
- ec_sect571r1 = 14,
- ec_secp160k1 = 15,
- ec_secp160r1 = 16,
- ec_secp160r2 = 17,
- ec_secp192k1 = 18,
- ec_secp192r1 = 19,
- ec_secp224k1 = 20,
- ec_secp224r1 = 21,
- ec_secp256k1 = 22,
- ec_secp256r1 = 23,
- ec_secp384r1 = 24,
- ec_secp521r1 = 25,
- ec_pastLastName
-} ECName;
-
-extern SECStatus ssl3_ECName2Params(PLArenaPool *arena, ECName curve,
- SECKEYECParams *params);
-ECName ssl3_PubKey2ECName(SECKEYPublicKey *pubKey);
-
-ECName ssl3_GetCurveWithECKeyStrength(PRUint32 curvemsk, int requiredECCbits);
-ECName ssl3_GetCurveNameForServerSocket(sslSocket *ss);
-
-#endif /* NSS_DISABLE_ECC */
-
-extern SECStatus ssl3_CipherPrefSetDefault(ssl3CipherSuite which, PRBool on);
-extern SECStatus ssl3_CipherPrefGetDefault(ssl3CipherSuite which, PRBool *on);
-extern SECStatus ssl2_CipherPrefSetDefault(PRInt32 which, PRBool enabled);
-extern SECStatus ssl2_CipherPrefGetDefault(PRInt32 which, PRBool *enabled);
-
-extern SECStatus ssl3_CipherPrefSet(sslSocket *ss, ssl3CipherSuite which, PRBool on);
-extern SECStatus ssl3_CipherPrefGet(sslSocket *ss, ssl3CipherSuite which, PRBool *on);
-extern SECStatus ssl2_CipherPrefSet(sslSocket *ss, PRInt32 which, PRBool enabled);
-extern SECStatus ssl2_CipherPrefGet(sslSocket *ss, PRInt32 which, PRBool *enabled);
-extern SECStatus ssl3_CipherOrderSet(sslSocket *ss, const ssl3CipherSuite *cipher,
- unsigned int len);
-
-extern SECStatus ssl3_SetPolicy(ssl3CipherSuite which, PRInt32 policy);
-extern SECStatus ssl3_GetPolicy(ssl3CipherSuite which, PRInt32 *policy);
-extern SECStatus ssl2_SetPolicy(PRInt32 which, PRInt32 policy);
-extern SECStatus ssl2_GetPolicy(PRInt32 which, PRInt32 *policy);
-
-extern void ssl2_InitSocketPolicy(sslSocket *ss);
-extern void ssl3_InitSocketPolicy(sslSocket *ss);
-
-extern SECStatus ssl3_ConstructV2CipherSpecsHack(sslSocket *ss,
- unsigned char *cs, int *size);
-
-extern SECStatus ssl3_RedoHandshake(sslSocket *ss, PRBool flushCache);
-extern SECStatus ssl3_HandleHandshakeMessage(sslSocket *ss, SSL3Opaque *b,
- PRUint32 length);
-
-extern void ssl3_DestroySSL3Info(sslSocket *ss);
-
-extern SECStatus ssl3_NegotiateVersion(sslSocket *ss,
- SSL3ProtocolVersion peerVersion,
- PRBool allowLargerPeerVersion);
-
-extern SECStatus ssl_GetPeerInfo(sslSocket *ss);
-
-#ifndef NSS_DISABLE_ECC
-/* ECDH functions */
-extern SECStatus ssl3_SendECDHClientKeyExchange(sslSocket *ss,
- SECKEYPublicKey *svrPubKey);
-extern SECStatus ssl3_HandleECDHServerKeyExchange(sslSocket *ss,
- SSL3Opaque *b, PRUint32 length);
-extern SECStatus ssl3_HandleECDHClientKeyExchange(sslSocket *ss,
- SSL3Opaque *b, PRUint32 length,
- SECKEYPublicKey *srvrPubKey,
- SECKEYPrivateKey *srvrPrivKey);
-extern SECStatus ssl3_SendECDHServerKeyExchange(
- sslSocket *ss, const SSLSignatureAndHashAlg *sigAndHash);
-SECKEYPublicKey *tls13_ImportECDHKeyShare(
- sslSocket *ss, SSL3Opaque *b, PRUint32 length, ECName curve);
-ECName tls13_GroupForECDHEKeyShare(ssl3KeyPair *pair);
-unsigned int tls13_SizeOfECDHEKeyShareKEX(ssl3KeyPair *pair);
-SECStatus tls13_EncodeECDHEKeyShareKEX(sslSocket *ss, ssl3KeyPair *pair);
-#endif
-
-extern SECStatus ssl3_ComputeCommonKeyHash(SSLHashType hashAlg,
- PRUint8 *hashBuf,
- unsigned int bufLen, SSL3Hashes *hashes,
- PRBool bypassPKCS11);
-extern void ssl3_DestroyCipherSpec(ssl3CipherSpec *spec, PRBool freeSrvName);
-extern SECStatus ssl3_InitPendingCipherSpec(sslSocket *ss, PK11SymKey *pms);
-extern SECStatus ssl3_AppendHandshake(sslSocket *ss, const void *void_src,
- PRInt32 bytes);
-extern SECStatus ssl3_AppendHandshakeHeader(sslSocket *ss,
- SSL3HandshakeType t, PRUint32 length);
-extern SECStatus ssl3_AppendHandshakeNumber(sslSocket *ss, PRInt32 num,
- PRInt32 lenSize);
-extern SECStatus ssl3_AppendHandshakeVariable(sslSocket *ss,
- const SSL3Opaque *src, PRInt32 bytes, PRInt32 lenSize);
-extern SECStatus ssl3_AppendSignatureAndHashAlgorithm(
- sslSocket *ss, const SSLSignatureAndHashAlg *sigAndHash);
-extern SECStatus ssl3_ConsumeHandshake(sslSocket *ss, void *v, PRInt32 bytes,
- SSL3Opaque **b, PRUint32 *length);
-extern PRInt32 ssl3_ConsumeHandshakeNumber(sslSocket *ss, PRInt32 bytes,
- SSL3Opaque **b, PRUint32 *length);
-extern SECStatus ssl3_ConsumeHandshakeVariable(sslSocket *ss, SECItem *i,
- PRInt32 bytes, SSL3Opaque **b, PRUint32 *length);
-extern PRBool ssl3_IsSupportedSignatureAlgorithm(
- const SSLSignatureAndHashAlg *alg);
-extern SECStatus ssl3_CheckSignatureAndHashAlgorithmConsistency(
- sslSocket *ss, const SSLSignatureAndHashAlg *sigAndHash,
- CERTCertificate *cert);
-extern SECStatus ssl3_ConsumeSignatureAndHashAlgorithm(
- sslSocket *ss, SSL3Opaque **b, PRUint32 *length,
- SSLSignatureAndHashAlg *out);
-extern SECStatus ssl3_SignHashes(SSL3Hashes *hash, SECKEYPrivateKey *key,
- SECItem *buf, PRBool isTLS);
-extern SECStatus ssl3_VerifySignedHashes(SSL3Hashes *hash,
- CERTCertificate *cert, SECItem *buf, PRBool isTLS,
- void *pwArg);
-extern SECStatus ssl3_CacheWrappedMasterSecret(sslSocket *ss,
- sslSessionID *sid, ssl3CipherSpec *spec,
- SSL3KEAType effectiveExchKeyType);
-
-/* Functions that handle ClientHello and ServerHello extensions. */
-extern SECStatus ssl3_HandleServerNameXtn(sslSocket *ss,
- PRUint16 ex_type, SECItem *data);
-extern SECStatus ssl3_HandleSupportedCurvesXtn(sslSocket *ss,
- PRUint16 ex_type, SECItem *data);
-extern SECStatus ssl3_HandleSupportedPointFormatsXtn(sslSocket *ss,
- PRUint16 ex_type, SECItem *data);
-extern SECStatus ssl3_ClientHandleSessionTicketXtn(sslSocket *ss,
- PRUint16 ex_type, SECItem *data);
-extern SECStatus ssl3_ServerHandleSessionTicketXtn(sslSocket *ss,
- PRUint16 ex_type, SECItem *data);
-
-/* ClientHello and ServerHello extension senders.
- * Note that not all extension senders are exposed here; only those that
- * that need exposure.
- */
-extern PRInt32 ssl3_SendSessionTicketXtn(sslSocket *ss, PRBool append,
- PRUint32 maxBytes);
-
-/* ClientHello and ServerHello extension senders.
- * The code is in ssl3ext.c.
- */
-extern PRInt32 ssl3_SendServerNameXtn(sslSocket *ss, PRBool append,
- PRUint32 maxBytes);
-
-/* Assigns new cert, cert chain and keys to ss->serverCerts
- * struct. If certChain is NULL, tries to find one. Aborts if
- * fails to do so. If cert and keyPair are NULL - unconfigures
- * sslSocket of kea type.*/
-extern SECStatus ssl_ConfigSecureServer(sslSocket *ss, CERTCertificate *cert,
- const CERTCertificateList *certChain,
- ssl3KeyPair *keyPair, SSLKEAType kea);
-
-#ifndef NSS_DISABLE_ECC
-extern PRInt32 ssl3_SendSupportedCurvesXtn(sslSocket *ss,
- PRBool append, PRUint32 maxBytes);
-extern PRInt32 ssl3_SendSupportedPointFormatsXtn(sslSocket *ss,
- PRBool append, PRUint32 maxBytes);
-#endif
-
-/* call the registered extension handlers. */
-extern SECStatus ssl3_HandleHelloExtensions(sslSocket *ss,
- SSL3Opaque **b, PRUint32 *length,
- SSL3HandshakeType handshakeMessage);
-
-/* Hello Extension related routines. */
-extern PRBool ssl3_ExtensionNegotiated(sslSocket *ss, PRUint16 ex_type);
-extern void ssl3_SetSIDSessionTicket(sslSessionID *sid,
- /*in/out*/ NewSessionTicket *session_ticket);
-extern SECStatus ssl3_SendNewSessionTicket(sslSocket *ss);
-extern PRBool ssl_GetSessionTicketKeys(unsigned char *keyName,
- unsigned char *encKey, unsigned char *macKey);
-extern PRBool ssl_GetSessionTicketKeysPKCS11(SECKEYPrivateKey *svrPrivKey,
- SECKEYPublicKey *svrPubKey, void *pwArg,
- unsigned char *keyName, PK11SymKey **aesKey,
- PK11SymKey **macKey);
-
-/* Tell clients to consider tickets valid for this long. */
-#define TLS_EX_SESS_TICKET_LIFETIME_HINT (2 * 24 * 60 * 60) /* 2 days */
-#define TLS_EX_SESS_TICKET_VERSION (0x0101)
-
-extern SECStatus ssl3_ValidateNextProtoNego(const unsigned char *data,
- unsigned int length);
-
-extern SECStatus ssl3_GetTLSUniqueChannelBinding(sslSocket *ss,
- unsigned char *out,
- unsigned int *outLen,
- unsigned int outLenMax);
-
-/* Construct a new NSPR socket for the app to use */
-extern PRFileDesc *ssl_NewPRSocket(sslSocket *ss, PRFileDesc *fd);
-extern void ssl_FreePRSocket(PRFileDesc *fd);
-
-/* Internal config function so SSL3 can initialize the present state of
- * various ciphers */
-extern int ssl3_config_match_init(sslSocket *);
-
-/* Create a new ref counted key pair object from two keys. */
-extern ssl3KeyPair *ssl3_NewKeyPair(SECKEYPrivateKey *privKey,
- SECKEYPublicKey *pubKey);
-
-/* get a new reference (bump ref count) to an ssl3KeyPair. */
-extern ssl3KeyPair *ssl3_GetKeyPairRef(ssl3KeyPair *keyPair);
-
-/* Decrement keypair's ref count and free if zero. */
-extern void ssl3_FreeKeyPair(ssl3KeyPair *keyPair);
-
-/* calls for accessing wrapping keys across processes. */
-extern PRBool
-ssl_GetWrappingKey(PRInt32 symWrapMechIndex,
- SSL3KEAType exchKeyType,
- SSLWrappedSymWrappingKey *wswk);
-
-/* The caller passes in the new value it wants
- * to set. This code tests the wrapped sym key entry in the file on disk.
- * If it is uninitialized, this function writes the caller's value into
- * the disk entry, and returns false.
- * Otherwise, it overwrites the caller's wswk with the value obtained from
- * the disk, and returns PR_TRUE.
- * This is all done while holding the locks/semaphores necessary to make
- * the operation atomic.
- */
-extern PRBool
-ssl_SetWrappingKey(SSLWrappedSymWrappingKey *wswk);
-
-/* get rid of the symmetric wrapping key references. */
-extern SECStatus SSL3_ShutdownServerCache(void);
-
-extern SECStatus ssl_InitSymWrapKeysLock(void);
-
-extern SECStatus ssl_FreeSymWrapKeysLock(void);
-
-extern SECStatus ssl_InitSessionCacheLocks(void);
-
-/**************** DTLS-specific functions **************/
-extern void dtls_FreeQueuedMessage(DTLSQueuedMessage *msg);
-extern void dtls_FreeQueuedMessages(PRCList *lst);
-extern void dtls_FreeHandshakeMessages(PRCList *lst);
-
-extern SECStatus dtls_HandleHandshake(sslSocket *ss, sslBuffer *origBuf);
-extern SECStatus dtls_HandleHelloVerifyRequest(sslSocket *ss,
- SSL3Opaque *b, PRUint32 length);
-extern SECStatus dtls_StageHandshakeMessage(sslSocket *ss);
-extern SECStatus dtls_QueueMessage(sslSocket *ss, SSL3ContentType type,
- const SSL3Opaque *pIn, PRInt32 nIn);
-extern SECStatus dtls_FlushHandshakeMessages(sslSocket *ss, PRInt32 flags);
-extern SECStatus dtls_CompressMACEncryptRecord(sslSocket *ss,
- DTLSEpoch epoch,
- PRBool use_epoch,
- SSL3ContentType type,
- const SSL3Opaque *pIn,
- PRUint32 contentLen,
- sslBuffer *wrBuf);
-SECStatus ssl3_DisableNonDTLSSuites(sslSocket *ss);
-extern SECStatus dtls_StartTimer(sslSocket *ss, DTLSTimerCb cb);
-extern SECStatus dtls_RestartTimer(sslSocket *ss, PRBool backoff,
- DTLSTimerCb cb);
-extern void dtls_CheckTimer(sslSocket *ss);
-extern void dtls_CancelTimer(sslSocket *ss);
-extern void dtls_FinishedTimerCb(sslSocket *ss);
-extern void dtls_SetMTU(sslSocket *ss, PRUint16 advertised);
-extern void dtls_InitRecvdRecords(DTLSRecvdRecords *records);
-extern int dtls_RecordGetRecvd(const DTLSRecvdRecords *records, PRUint64 seq);
-extern void dtls_RecordSetRecvd(DTLSRecvdRecords *records, PRUint64 seq);
-extern void dtls_RehandshakeCleanup(sslSocket *ss);
-extern SSL3ProtocolVersion
-dtls_TLSVersionToDTLSVersion(SSL3ProtocolVersion tlsv);
-extern SSL3ProtocolVersion
-dtls_DTLSVersionToTLSVersion(SSL3ProtocolVersion dtlsv);
-extern PRBool dtls_IsRelevant(sslSocket *ss, const ssl3CipherSpec *crSpec,
- const SSL3Ciphertext *cText, PRUint64 *seqNum);
-
-CK_MECHANISM_TYPE ssl3_Alg2Mech(SSLCipherAlgorithm calg);
-SECStatus ssl3_SetupPendingCipherSpec(sslSocket *ss);
-SECStatus ssl3_FlushHandshake(sslSocket *ss, PRInt32 flags);
-SECStatus ssl3_SendCertificate(sslSocket *ss);
-SECStatus ssl3_CompleteHandleCertificate(sslSocket *ss,
- SSL3Opaque *b, PRUint32 length);
-SECStatus ssl3_SendEmptyCertificate(sslSocket *ss);
-SECStatus ssl3_SendCertificateStatus(sslSocket *ss);
-SECStatus ssl3_CompleteHandleCertificateStatus(sslSocket *ss, SSL3Opaque *b,
- PRUint32 length);
-SECStatus ssl3_EncodeCertificateRequestSigAlgs(sslSocket *ss, PRUint8 *buf,
- unsigned maxLen, PRUint32 *len);
-void ssl3_GetCertificateRequestCAs(sslSocket *ss, int *calenp, SECItem **namesp,
- int *nnamesp);
-SECStatus ssl3_ParseCertificateRequestCAs(sslSocket *ss, SSL3Opaque **b,
- PRUint32 *length, PLArenaPool *arena,
- CERTDistNames *ca_list);
-SECStatus ssl3_CompleteHandleCertificateRequest(sslSocket *ss,
- SECItem *algorithms,
- CERTDistNames *ca_list);
-SECStatus ssl3_SendCertificateVerify(sslSocket *ss,
- SECKEYPrivateKey *privKey);
-SECStatus ssl3_SendServerHello(sslSocket *ss);
-SECOidTag ssl3_TLSHashAlgorithmToOID(SSLHashType hashFunc);
-SECStatus ssl3_ComputeHandshakeHashes(sslSocket *ss,
- ssl3CipherSpec *spec,
- SSL3Hashes *hashes,
- PRUint32 sender);
-void ssl3_BumpSequenceNumber(SSL3SequenceNumber *num);
-PRInt32 tls13_ServerSendKeyShareXtn(sslSocket *ss, PRBool append,
- PRUint32 maxBytes);
-#ifndef NSS_DISABLE_ECC
-SECStatus ssl3_CreateECDHEphemeralKeyPair(ECName ec_curve,
- ssl3KeyPair **keyPair);
-PK11SymKey *tls13_ComputeECDHSharedKey(sslSocket *ss,
- SECKEYPrivateKey *myPrivKey,
- SECKEYPublicKey *peerKey);
-#endif
-
-/* Pull in TLS 1.3 functions */
-#include "tls13con.h"
-
-/********************** misc calls *********************/
-
-#ifdef DEBUG
-extern void ssl3_CheckCipherSuiteOrderConsistency();
-#endif
-
-extern int ssl_MapLowLevelError(int hiLevelError);
-
-extern PRUint32 ssl_Time(void);
-
-extern void SSL_AtomicIncrementLong(long *x);
-
-SECStatus SSL_DisableDefaultExportCipherSuites(void);
-SECStatus SSL_DisableExportCipherSuites(PRFileDesc *fd);
-PRBool SSL_IsExportCipherSuite(PRUint16 cipherSuite);
-
-SECStatus ssl3_ApplyNSSPolicy(void);
-
-extern SECStatus
-ssl3_TLSPRFWithMasterSecret(ssl3CipherSpec *spec,
- const char *label, unsigned int labelLen,
- const unsigned char *val, unsigned int valLen,
- unsigned char *out, unsigned int outLen);
-extern SECOidTag
-ssl3_TLSHashAlgorithmToOID(SSLHashType hashFunc);
-
-#ifdef TRACE
-#define SSL_TRACE(msg) ssl_Trace msg
-#else
-#define SSL_TRACE(msg)
-#endif
-
-void ssl_Trace(const char *format, ...);
-
-SEC_END_PROTOS
-
-#if defined(XP_UNIX) || defined(XP_OS2) || defined(XP_BEOS)
-#define SSL_GETPID getpid
-#elif defined(WIN32)
-extern int __cdecl _getpid(void);
-#define SSL_GETPID _getpid
-#else
-#define SSL_GETPID() 0
-#endif
-
-#endif /* __sslimpl_h_ */
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