/
ssltap.c
2584 lines (2322 loc) · 84.1 KB
/
ssltap.c
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/* 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/. */
/*
* ssltap.c
*
* Version 1.0 : Frederick Roeber : 11 June 1997
* Version 2.0 : Steve Parkinson : 13 November 1997
* Version 3.0 : Nelson Bolyard : 22 July 1998
* Version 3.1 : Nelson Bolyard : 24 May 1999
*
* changes in version 2.0:
* Uses NSPR20
* Shows structure of SSL negotiation, if enabled.
*
* This "proxies" a socket connection (like a socks tunnel), but displays the
* data is it flies by.
*
* In the code, the 'client' socket is the one on the client side of the
* proxy, and the server socket is on the server side.
*
*/
#include "nspr.h"
#include "plstr.h"
#include "secutil.h"
#include <memory.h> /* for memcpy, etc. */
#include <string.h>
#include <time.h>
#include "plgetopt.h"
#include "nss.h"
#include "cert.h"
#include "sslproto.h"
#include "ocsp.h"
#include "ocspti.h" /* internals for pretty-printing routines *only* */
struct _DataBufferList;
struct _DataBuffer;
typedef struct _DataBufferList {
struct _DataBuffer *first, *last;
unsigned int size;
int isEncrypted;
unsigned char *msgBuf;
unsigned int msgBufOffset;
unsigned int msgBufSize;
unsigned int hMACsize;
} DataBufferList;
typedef struct _DataBuffer {
unsigned char *buffer;
int length;
int offset; /* offset of first good byte */
struct _DataBuffer *next;
} DataBuffer;
struct sslhandshake {
PRUint8 type;
PRUint32 length;
};
typedef struct _SSLRecord {
PRUint8 type;
PRUint8 ver_maj, ver_min;
PRUint8 length[2];
} SSLRecord;
typedef struct _ClientHelloV2 {
PRUint8 length[2];
PRUint8 type;
PRUint8 version[2];
PRUint8 cslength[2];
PRUint8 sidlength[2];
PRUint8 rndlength[2];
PRUint8 csuites[1];
} ClientHelloV2;
typedef struct _ServerHelloV2 {
PRUint8 length[2];
PRUint8 type;
PRUint8 sidhit;
PRUint8 certtype;
PRUint8 version[2];
PRUint8 certlength[2];
PRUint8 cslength[2];
PRUint8 cidlength[2];
} ServerHelloV2;
typedef struct _ClientMasterKeyV2 {
PRUint8 length[2];
PRUint8 type;
PRUint8 cipherkind[3];
PRUint8 clearkey[2];
PRUint8 secretkey[2];
} ClientMasterKeyV2;
/* forward declaration */
void showErr(const char *msg);
#define TAPBUFSIZ 16384
#define DEFPORT 1924
#include <ctype.h>
const char *progName;
int hexparse = 0;
int sslparse = 0;
int sslhexparse = 0;
int looparound = 0;
int fancy = 0;
int isV2Session = 0;
int currentcipher = 0;
DataBufferList clientstream, serverstream;
#define PR_FPUTS(x) PR_fprintf(PR_STDOUT, x)
#define GET_SHORT(x) ((PRUint16)(((PRUint16)((PRUint8 *)x)[0]) << 8) + ((PRUint16)((PRUint8 *)x)[1]))
#define GET_24(x) ((PRUint32)( \
(((PRUint32)((PRUint8 *)x)[0]) << 16) + \
(((PRUint32)((PRUint8 *)x)[1]) << 8) + \
(((PRUint32)((PRUint8 *)x)[2]) << 0)))
#define GET_32(x) ((PRUint32)( \
(((PRUint32)((PRUint8 *)x)[0]) << 24) + \
(((PRUint32)((PRUint8 *)x)[1]) << 16) + \
(((PRUint32)((PRUint8 *)x)[2]) << 8) + \
(((PRUint32)((PRUint8 *)x)[3]) << 0)))
void print_hex(int amt, unsigned char *buf);
void read_stream_bytes(unsigned char *d, DataBufferList *db, int length);
void
myhalt(int dblsize, int collectedsize)
{
PR_fprintf(PR_STDERR, "HALTED\n");
PR_ASSERT(dblsize == collectedsize);
exit(13);
}
const char *
get_error_text(int error)
{
switch (error) {
case PR_IO_TIMEOUT_ERROR:
return "Timeout";
break;
case PR_CONNECT_REFUSED_ERROR:
return "Connection refused";
break;
case PR_NETWORK_UNREACHABLE_ERROR:
return "Network unreachable";
break;
case PR_BAD_ADDRESS_ERROR:
return "Bad address";
break;
case PR_CONNECT_RESET_ERROR:
return "Connection reset";
break;
case PR_PIPE_ERROR:
return "Pipe error";
break;
}
return "";
}
void
check_integrity(DataBufferList *dbl)
{
DataBuffer *db;
int i;
db = dbl->first;
i = 0;
while (db) {
i += db->length - db->offset;
db = db->next;
}
if (i != dbl->size) {
myhalt(dbl->size, i);
}
}
/* Free's the DataBuffer at the head of the list and returns the pointer
* to the new head of the list.
*/
DataBuffer *
free_head(DataBufferList *dbl)
{
DataBuffer *db = dbl->first;
PR_ASSERT(db->offset >= db->length);
if (db->offset >= db->length) {
dbl->first = db->next;
if (dbl->first == NULL) {
dbl->last = NULL;
}
PORT_Free(db->buffer);
PORT_Free(db);
db = dbl->first;
}
return db;
}
void
read_stream_bytes(unsigned char *d, DataBufferList *dbl, int length)
{
int copied = 0;
DataBuffer *db = dbl->first;
if (!db) {
PR_fprintf(PR_STDERR, "assert failed - dbl->first is null\n");
exit(8);
}
while (length) {
int toCopy;
/* find the number of bytes to copy from the head buffer */
/* if there's too many in this buffer, then only copy 'length' */
toCopy = PR_MIN(db->length - db->offset, length);
memcpy(d + copied, db->buffer + db->offset, toCopy);
copied += toCopy;
db->offset += toCopy;
length -= toCopy;
dbl->size -= toCopy;
/* if we emptied the head buffer */
if (db->offset >= db->length) {
db = free_head(dbl);
}
}
check_integrity(dbl);
}
void
flush_stream(DataBufferList *dbl)
{
DataBuffer *db = dbl->first;
check_integrity(dbl);
while (db) {
db->offset = db->length;
db = free_head(dbl);
}
dbl->size = 0;
check_integrity(dbl);
if (dbl->msgBuf) {
PORT_Free(dbl->msgBuf);
dbl->msgBuf = NULL;
}
dbl->msgBufOffset = 0;
dbl->msgBufSize = 0;
dbl->hMACsize = 0;
}
const char *
V2CipherString(int cs_int)
{
char *cs_str;
cs_str = NULL;
switch (cs_int) {
case 0x010080:
cs_str = "SSL2/RSA/RC4-128/MD5";
break;
case 0x020080:
cs_str = "SSL2/RSA/RC4-40/MD5";
break;
case 0x030080:
cs_str = "SSL2/RSA/RC2CBC128/MD5";
break;
case 0x040080:
cs_str = "SSL2/RSA/RC2CBC40/MD5";
break;
case 0x050080:
cs_str = "SSL2/RSA/IDEA128CBC/MD5";
break;
case 0x060040:
cs_str = "SSL2/RSA/DES56-CBC/MD5";
break;
case 0x0700C0:
cs_str = "SSL2/RSA/3DES192EDE-CBC/MD5";
break;
case 0x000001:
cs_str = "SSL3/RSA/NULL/MD5";
break;
case 0x000002:
cs_str = "SSL3/RSA/NULL/SHA";
break;
case 0x000003:
cs_str = "SSL3/RSA/RC4-40/MD5";
break;
case 0x000004:
cs_str = "SSL3/RSA/RC4-128/MD5";
break;
case 0x000005:
cs_str = "SSL3/RSA/RC4-128/SHA";
break;
case 0x000006:
cs_str = "SSL3/RSA/RC2CBC40/MD5";
break;
case 0x000007:
cs_str = "SSL3/RSA/IDEA128CBC/SHA";
break;
case 0x000008:
cs_str = "SSL3/RSA/DES40-CBC/SHA";
break;
case 0x000009:
cs_str = "SSL3/RSA/DES56-CBC/SHA";
break;
case 0x00000A:
cs_str = "SSL3/RSA/3DES192EDE-CBC/SHA";
break;
case 0x00000B:
cs_str = "SSL3/DH-DSS/DES40-CBC/SHA";
break;
case 0x00000C:
cs_str = "SSL3/DH-DSS/DES56-CBC/SHA";
break;
case 0x00000D:
cs_str = "SSL3/DH-DSS/DES192EDE3CBC/SHA";
break;
case 0x00000E:
cs_str = "SSL3/DH-RSA/DES40-CBC/SHA";
break;
case 0x00000F:
cs_str = "SSL3/DH-RSA/DES56-CBC/SHA";
break;
case 0x000010:
cs_str = "SSL3/DH-RSA/3DES192EDE-CBC/SHA";
break;
case 0x000011:
cs_str = "SSL3/DHE-DSS/DES40-CBC/SHA";
break;
case 0x000012:
cs_str = "SSL3/DHE-DSS/DES56-CBC/SHA";
break;
case 0x000013:
cs_str = "SSL3/DHE-DSS/DES192EDE3CBC/SHA";
break;
case 0x000014:
cs_str = "SSL3/DHE-RSA/DES40-CBC/SHA";
break;
case 0x000015:
cs_str = "SSL3/DHE-RSA/DES56-CBC/SHA";
break;
case 0x000016:
cs_str = "SSL3/DHE-RSA/3DES192EDE-CBC/SHA";
break;
case 0x000017:
cs_str = "SSL3/DH-anon/RC4-40/MD5";
break;
case 0x000018:
cs_str = "SSL3/DH-anon/RC4-128/MD5";
break;
case 0x000019:
cs_str = "SSL3/DH-anon/DES40-CBC/SHA";
break;
case 0x00001A:
cs_str = "SSL3/DH-anon/DES56-CBC/SHA";
break;
case 0x00001B:
cs_str = "SSL3/DH-anon/3DES192EDE-CBC/SHA";
break;
case 0x00001C:
cs_str = "SSL3/FORTEZZA-DMS/NULL/SHA";
break;
case 0x00001D:
cs_str = "SSL3/FORTEZZA-DMS/FORTEZZA-CBC/SHA";
break;
case 0x00001E:
cs_str = "SSL3/FORTEZZA-DMS/RC4-128/SHA";
break;
case 0x00002F:
cs_str = "TLS/RSA/AES128-CBC/SHA";
break;
case 0x000030:
cs_str = "TLS/DH-DSS/AES128-CBC/SHA";
break;
case 0x000031:
cs_str = "TLS/DH-RSA/AES128-CBC/SHA";
break;
case 0x000032:
cs_str = "TLS/DHE-DSS/AES128-CBC/SHA";
break;
case 0x000033:
cs_str = "TLS/DHE-RSA/AES128-CBC/SHA";
break;
case 0x000034:
cs_str = "TLS/DH-ANON/AES128-CBC/SHA";
break;
case 0x000035:
cs_str = "TLS/RSA/AES256-CBC/SHA";
break;
case 0x000036:
cs_str = "TLS/DH-DSS/AES256-CBC/SHA";
break;
case 0x000037:
cs_str = "TLS/DH-RSA/AES256-CBC/SHA";
break;
case 0x000038:
cs_str = "TLS/DHE-DSS/AES256-CBC/SHA";
break;
case 0x000039:
cs_str = "TLS/DHE-RSA/AES256-CBC/SHA";
break;
case 0x00003A:
cs_str = "TLS/DH-ANON/AES256-CBC/SHA";
break;
case 0x00003B:
cs_str = "TLS/RSA/NULL/SHA256";
break;
case 0x00003C:
cs_str = "TLS/RSA/AES128-CBC/SHA256";
break;
case 0x00003D:
cs_str = "TLS/RSA/AES256-CBC/SHA256";
break;
case 0x00003E:
cs_str = "TLS/DH-DSS/AES128-CBC/SHA256";
break;
case 0x00003F:
cs_str = "TLS/DH-RSA/AES128-CBC/SHA256";
break;
case 0x000040:
cs_str = "TLS/DHE-DSS/AES128-CBC/SHA256";
break;
case 0x000041:
cs_str = "TLS/RSA/CAMELLIA128-CBC/SHA";
break;
case 0x000042:
cs_str = "TLS/DH-DSS/CAMELLIA128-CBC/SHA";
break;
case 0x000043:
cs_str = "TLS/DH-RSA/CAMELLIA128-CBC/SHA";
break;
case 0x000044:
cs_str = "TLS/DHE-DSS/CAMELLIA128-CBC/SHA";
break;
case 0x000045:
cs_str = "TLS/DHE-RSA/CAMELLIA128-CBC/SHA";
break;
case 0x000046:
cs_str = "TLS/DH-ANON/CAMELLIA128-CBC/SHA";
break;
case 0x000060:
cs_str = "TLS/RSA-EXPORT1024/RC4-56/MD5";
break;
case 0x000061:
cs_str = "TLS/RSA-EXPORT1024/RC2CBC56/MD5";
break;
case 0x000062:
cs_str = "TLS/RSA-EXPORT1024/DES56-CBC/SHA";
break;
case 0x000064:
cs_str = "TLS/RSA-EXPORT1024/RC4-56/SHA";
break;
case 0x000063:
cs_str = "TLS/DHE-DSS_EXPORT1024/DES56-CBC/SHA";
break;
case 0x000065:
cs_str = "TLS/DHE-DSS_EXPORT1024/RC4-56/SHA";
break;
case 0x000066:
cs_str = "TLS/DHE-DSS/RC4-128/SHA";
break;
case 0x000067:
cs_str = "TLS/DHE-RSA/AES128-CBC/SHA256";
break;
case 0x000068:
cs_str = "TLS/DH-DSS/AES256-CBC/SHA256";
break;
case 0x000069:
cs_str = "TLS/DH-RSA/AES256-CBC/SHA256";
break;
case 0x00006A:
cs_str = "TLS/DHE-DSS/AES256-CBC/SHA256";
break;
case 0x00006B:
cs_str = "TLS/DHE-RSA/AES256-CBC/SHA256";
break;
case 0x000072:
cs_str = "TLS/DHE-DSS/3DESEDE-CBC/RMD160";
break;
case 0x000073:
cs_str = "TLS/DHE-DSS/AES128-CBC/RMD160";
break;
case 0x000074:
cs_str = "TLS/DHE-DSS/AES256-CBC/RMD160";
break;
case 0x000079:
cs_str = "TLS/DHE-RSA/AES256-CBC/RMD160";
break;
case 0x00007C:
cs_str = "TLS/RSA/3DESEDE-CBC/RMD160";
break;
case 0x00007D:
cs_str = "TLS/RSA/AES128-CBC/RMD160";
break;
case 0x00007E:
cs_str = "TLS/RSA/AES256-CBC/RMD160";
break;
case 0x000080:
cs_str = "TLS/GOST341094/GOST28147-OFB/GOST28147";
break;
case 0x000081:
cs_str = "TLS/GOST34102001/GOST28147-OFB/GOST28147";
break;
case 0x000082:
cs_str = "TLS/GOST341094/NULL/GOSTR3411";
break;
case 0x000083:
cs_str = "TLS/GOST34102001/NULL/GOSTR3411";
break;
case 0x000084:
cs_str = "TLS/RSA/CAMELLIA256-CBC/SHA";
break;
case 0x000085:
cs_str = "TLS/DH-DSS/CAMELLIA256-CBC/SHA";
break;
case 0x000086:
cs_str = "TLS/DH-RSA/CAMELLIA256-CBC/SHA";
break;
case 0x000087:
cs_str = "TLS/DHE-DSS/CAMELLIA256-CBC/SHA";
break;
case 0x000088:
cs_str = "TLS/DHE-RSA/CAMELLIA256-CBC/SHA";
break;
case 0x000089:
cs_str = "TLS/DH-ANON/CAMELLIA256-CBC/SHA";
break;
case 0x00008A:
cs_str = "TLS/PSK/RC4-128/SHA";
break;
case 0x00008B:
cs_str = "TLS/PSK/3DES-EDE-CBC/SHA";
break;
case 0x00008C:
cs_str = "TLS/PSK/AES128-CBC/SHA";
break;
case 0x00008D:
cs_str = "TLS/PSK/AES256-CBC/SHA";
break;
case 0x00008E:
cs_str = "TLS/DHE-PSK/RC4-128/SHA";
break;
case 0x00008F:
cs_str = "TLS/DHE-PSK/3DES-EDE-CBC/SHA";
break;
case 0x000090:
cs_str = "TLS/DHE-PSK/AES128-CBC/SHA";
break;
case 0x000091:
cs_str = "TLS/DHE-PSK/AES256-CBC/SHA";
break;
case 0x000092:
cs_str = "TLS/RSA-PSK/RC4-128/SHA";
break;
case 0x000093:
cs_str = "TLS/RSA-PSK/3DES-EDE-CBC/SHA";
break;
case 0x000094:
cs_str = "TLS/RSA-PSK/AES128-CBC/SHA";
break;
case 0x000095:
cs_str = "TLS/RSA-PSK/AES256-CBC/SHA";
break;
case 0x000096:
cs_str = "TLS/RSA/SEED-CBC/SHA";
break;
case 0x000097:
cs_str = "TLS/DH-DSS/SEED-CBC/SHA";
break;
case 0x000098:
cs_str = "TLS/DH-RSA/SEED-CBC/SHA";
break;
case 0x000099:
cs_str = "TLS/DHE-DSS/SEED-CBC/SHA";
break;
case 0x00009A:
cs_str = "TLS/DHE-RSA/SEED-CBC/SHA";
break;
case 0x00009B:
cs_str = "TLS/DH-ANON/SEED-CBC/SHA";
break;
case 0x00009C:
cs_str = "TLS/RSA/AES128-GCM/SHA256";
break;
case 0x00009E:
cs_str = "TLS/DHE-RSA/AES128-GCM/SHA256";
break;
case 0x0000FF:
cs_str = "TLS_EMPTY_RENEGOTIATION_INFO_SCSV";
break;
case 0x005600:
cs_str = "TLS_FALLBACK_SCSV";
break;
case 0x00C001:
cs_str = "TLS/ECDH-ECDSA/NULL/SHA";
break;
case 0x00C002:
cs_str = "TLS/ECDH-ECDSA/RC4-128/SHA";
break;
case 0x00C003:
cs_str = "TLS/ECDH-ECDSA/3DES-EDE-CBC/SHA";
break;
case 0x00C004:
cs_str = "TLS/ECDH-ECDSA/AES128-CBC/SHA";
break;
case 0x00C005:
cs_str = "TLS/ECDH-ECDSA/AES256-CBC/SHA";
break;
case 0x00C006:
cs_str = "TLS/ECDHE-ECDSA/NULL/SHA";
break;
case 0x00C007:
cs_str = "TLS/ECDHE-ECDSA/RC4-128/SHA";
break;
case 0x00C008:
cs_str = "TLS/ECDHE-ECDSA/3DES-EDE-CBC/SHA";
break;
case 0x00C009:
cs_str = "TLS/ECDHE-ECDSA/AES128-CBC/SHA";
break;
case 0x00C00A:
cs_str = "TLS/ECDHE-ECDSA/AES256-CBC/SHA";
break;
case 0x00C00B:
cs_str = "TLS/ECDH-RSA/NULL/SHA";
break;
case 0x00C00C:
cs_str = "TLS/ECDH-RSA/RC4-128/SHA";
break;
case 0x00C00D:
cs_str = "TLS/ECDH-RSA/3DES-EDE-CBC/SHA";
break;
case 0x00C00E:
cs_str = "TLS/ECDH-RSA/AES128-CBC/SHA";
break;
case 0x00C00F:
cs_str = "TLS/ECDH-RSA/AES256-CBC/SHA";
break;
case 0x00C010:
cs_str = "TLS/ECDHE-RSA/NULL/SHA";
break;
case 0x00C011:
cs_str = "TLS/ECDHE-RSA/RC4-128/SHA";
break;
case 0x00C012:
cs_str = "TLS/ECDHE-RSA/3DES-EDE-CBC/SHA";
break;
case 0x00C013:
cs_str = "TLS/ECDHE-RSA/AES128-CBC/SHA";
break;
case 0x00C014:
cs_str = "TLS/ECDHE-RSA/AES256-CBC/SHA";
break;
case 0x00C015:
cs_str = "TLS/ECDH-anon/NULL/SHA";
break;
case 0x00C016:
cs_str = "TLS/ECDH-anon/RC4-128/SHA";
break;
case 0x00C017:
cs_str = "TLS/ECDH-anon/3DES-EDE-CBC/SHA";
break;
case 0x00C018:
cs_str = "TLS/ECDH-anon/AES128-CBC/SHA";
break;
case 0x00C019:
cs_str = "TLS/ECDH-anon/AES256-CBC/SHA";
break;
case 0x00C023:
cs_str = "TLS/ECDHE-ECDSA/AES128-CBC/SHA256";
break;
case 0x00C024:
cs_str = "TLS/ECDHE-ECDSA/AES256-CBC/SHA384";
break;
case 0x00C025:
cs_str = "TLS/ECDH-ECDSA/AES128-CBC/SHA256";
break;
case 0x00C026:
cs_str = "TLS/ECDH-ECDSA/AES256-CBC/SHA384";
break;
case 0x00C027:
cs_str = "TLS/ECDHE-RSA/AES128-CBC/SHA256";
break;
case 0x00C028:
cs_str = "TLS/ECDHE-RSA/AES256-CBC/SHA384";
break;
case 0x00C029:
cs_str = "TLS/ECDH-RSA/AES128-CBC/SHA256";
break;
case 0x00C02A:
cs_str = "TLS/ECDH-RSA/AES256-CBC/SHA384";
break;
case 0x00C02B:
cs_str = "TLS/ECDHE-ECDSA/AES128-GCM/SHA256";
break;
case 0x00C02C:
cs_str = "TLS/ECDHE-ECDSA/AES256-GCM/SHA384";
break;
case 0x00C02F:
cs_str = "TLS/ECDHE-RSA/AES128-GCM/SHA256";
break;
case 0x00CCA8:
cs_str = "TLS/ECDHE-RSA/CHACHA20-POLY1305/SHA256";
break;
case 0x00CCA9:
cs_str = "TLS/ECDHE-ECDSA/CHACHA20-POLY1305/SHA256";
break;
case 0x00CCAA:
cs_str = "TLS/DHE-RSA/CHACHA20-POLY1305/SHA256";
break;
case 0x00FEFF:
cs_str = "SSL3/RSA-FIPS/3DESEDE-CBC/SHA";
break;
case 0x00FEFE:
cs_str = "SSL3/RSA-FIPS/DES-CBC/SHA";
break;
case 0x00FFE1:
cs_str = "SSL3/RSA-FIPS/DES56-CBC/SHA";
break;
case 0x00FFE0:
cs_str = "SSL3/RSA-FIPS/3DES192EDE-CBC/SHA";
break;
/* the string literal is broken up to avoid trigraphs */
default:
cs_str = "????"
"/????????"
"/?????????"
"/???";
break;
}
return cs_str;
}
const char *
CompressionMethodString(int cm_int)
{
char *cm_str;
cm_str = NULL;
switch (cm_int) {
case 0:
cm_str = "NULL";
break;
case 1:
cm_str = "DEFLATE";
break; /* RFC 3749 */
case 64:
cm_str = "LZS";
break; /* RFC 3943 */
default:
cm_str = "???";
break;
}
return cm_str;
}
const char *
helloExtensionNameString(int ex_num)
{
const char *ex_name = NULL;
static char buf[10];
switch (ex_num) {
case 0:
ex_name = "server_name";
break;
case 1:
ex_name = "max_fragment_length";
break;
case 2:
ex_name = "client_certificate_url";
break;
case 3:
ex_name = "trusted_ca_keys";
break;
case 4:
ex_name = "truncated_hmac";
break;
case 5:
ex_name = "status_request";
break;
case 10:
ex_name = "elliptic_curves";
break;
case 11:
ex_name = "ec_point_formats";
break;
case 13:
ex_name = "signature_algorithms";
break;
case 35:
ex_name = "session_ticket";
break;
case 0xff01:
ex_name = "renegotiation_info";
break;
default:
snprintf(buf, sizeof(buf), "%d", ex_num);
ex_name = (const char *)buf;
break;
}
return ex_name;
}
static int
isNULLmac(int cs_int)
{
return (cs_int == TLS_NULL_WITH_NULL_NULL);
}
static int
isNULLcipher(int cs_int)
{
return ((cs_int == TLS_RSA_WITH_NULL_MD5) ||
(cs_int == TLS_RSA_WITH_NULL_SHA) ||
(cs_int == SSL_FORTEZZA_DMS_WITH_NULL_SHA) ||
(cs_int == TLS_ECDH_ECDSA_WITH_NULL_SHA) ||
(cs_int == TLS_ECDHE_ECDSA_WITH_NULL_SHA) ||
(cs_int == TLS_ECDH_RSA_WITH_NULL_SHA) ||
(cs_int == TLS_ECDHE_RSA_WITH_NULL_SHA));
}
void
partial_packet(int thispacket, int size, int needed)
{
PR_fprintf(PR_STDOUT, "(%u bytes", thispacket);
if (thispacket < needed) {
PR_fprintf(PR_STDOUT, ", making %u", size);
}
PR_fprintf(PR_STDOUT, " of %u", needed);
if (size > needed) {
PR_fprintf(PR_STDOUT, ", with %u left over", size - needed);
}
PR_fprintf(PR_STDOUT, ")\n");
}
char *
get_time_string(void)
{
char *cp;
char *eol;
time_t tt;
time(&tt);
cp = ctime(&tt);
eol = strchr(cp, '\n');
if (eol)
*eol = 0;
return cp;
}
void
print_sslv2(DataBufferList *s, unsigned char *recordBuf, unsigned int recordLen)
{
ClientHelloV2 *chv2;
ServerHelloV2 *shv2;
unsigned char *pos;
unsigned int p;
unsigned int q;
PRUint32 len;
chv2 = (ClientHelloV2 *)recordBuf;
shv2 = (ServerHelloV2 *)recordBuf;
if (s->isEncrypted) {
PR_fprintf(PR_STDOUT, " [ssl2] Encrypted {...}\n");
return;
}
PR_fprintf(PR_STDOUT, " [%s]", get_time_string());
switch (chv2->type) {
case 1:
PR_fprintf(PR_STDOUT, " [ssl2] ClientHelloV2 {\n");
PR_fprintf(PR_STDOUT, " version = {0x%02x, 0x%02x}\n",
(PRUint32)chv2->version[0], (PRUint32)chv2->version[1]);
PR_fprintf(PR_STDOUT, " cipher-specs-length = %d (0x%02x)\n",
(PRUint32)(GET_SHORT((chv2->cslength))),
(PRUint32)(GET_SHORT((chv2->cslength))));
PR_fprintf(PR_STDOUT, " sid-length = %d (0x%02x)\n",
(PRUint32)(GET_SHORT((chv2->sidlength))),
(PRUint32)(GET_SHORT((chv2->sidlength))));
PR_fprintf(PR_STDOUT, " challenge-length = %d (0x%02x)\n",
(PRUint32)(GET_SHORT((chv2->rndlength))),
(PRUint32)(GET_SHORT((chv2->rndlength))));
PR_fprintf(PR_STDOUT, " cipher-suites = { \n");
for (p =
0;
p < (PRUint32)GET_SHORT((chv2->cslength)); p += 3) {
PRUint32 cs_int = GET_24((&chv2->csuites[p]));
const char *cs_str =
V2CipherString(cs_int);
PR_fprintf(PR_STDOUT, " (0x%06x) %s\n",
cs_int, cs_str);
}
q = p;
PR_fprintf(PR_STDOUT, " }\n");
if (GET_SHORT((chv2->sidlength))) {
PR_fprintf(PR_STDOUT, " session-id = { ");
for (p = 0;
p < (PRUint32)GET_SHORT((chv2->sidlength)); p += 2) {
PR_fprintf(PR_STDOUT, "0x%04x ", (PRUint32)(GET_SHORT((&chv2->csuites[p + q]))));
}
}
q += p;
PR_fprintf(PR_STDOUT, "}\n");
if (GET_SHORT((chv2->rndlength))) {
PR_fprintf(PR_STDOUT, " challenge = { ");
for (p = 0;
p < (PRUint32)GET_SHORT((chv2->rndlength)); p += 2) {
PR_fprintf(PR_STDOUT, "0x%04x ", (PRUint32)(GET_SHORT((&chv2->csuites[p + q]))));
}
PR_fprintf(PR_STDOUT, "}\n");
}
PR_fprintf(PR_STDOUT, "}\n");
break;
/* end of V2 CLientHello Parsing */
case 2: /* Client Master Key */
{
const char *cs_str =
NULL;
PRUint32 cs_int =
0;
ClientMasterKeyV2 *cmkv2;
cmkv2 = (ClientMasterKeyV2 *)chv2;
isV2Session = 1;
PR_fprintf(PR_STDOUT, " [ssl2] ClientMasterKeyV2 { \n");
cs_int = GET_24(&cmkv2->cipherkind[0]);
cs_str = V2CipherString(cs_int);
PR_fprintf(PR_STDOUT, " cipher-spec-chosen = (0x%06x) %s\n",
cs_int, cs_str);
PR_fprintf(PR_STDOUT, " clear-portion = %d bits\n",
8 *
(PRUint32)(GET_SHORT((cmkv2->clearkey))));
PR_fprintf(PR_STDOUT, " }\n");
clientstream.isEncrypted = 1;
serverstream.isEncrypted = 1;
} break;
case 3:
PR_fprintf(PR_STDOUT, " [ssl2] Client Finished V2 {...}\n");
isV2Session = 1;
break;
case 4: /* V2 Server Hello */
isV2Session = 1;
PR_fprintf(PR_STDOUT, " [ssl2] ServerHelloV2 {\n");
PR_fprintf(PR_STDOUT, " sid hit = {0x%02x}\n",
(PRUintn)shv2->sidhit);
PR_fprintf(PR_STDOUT, " version = {0x%02x, 0x%02x}\n",
(PRUint32)shv2->version[0], (PRUint32)shv2->version[1]);
PR_fprintf(PR_STDOUT, " cipher-specs-length = %d (0x%02x)\n",
(PRUint32)(GET_SHORT((shv2->cslength))),
(PRUint32)(GET_SHORT((shv2->cslength))));
PR_fprintf(PR_STDOUT, " sid-length = %d (0x%02x)\n",
(PRUint32)(GET_SHORT((shv2->cidlength))),
(PRUint32)(GET_SHORT((shv2->cidlength))));
pos = (unsigned char *)shv2;
pos += 2; /* skip length header */
pos += 11; /* position pointer to Certificate data area */
q = GET_SHORT(&shv2->certlength);
if (q > recordLen) {