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ssltap.c
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ssltap.c
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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is the Netscape security libraries.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1994-2000
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/*
* 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"
#define VERSIONSTRING "$Revision: 1.20 $ ($Date: 2011/11/05 23:09:28 $) $Author: wtc%google.com $"
struct _DataBufferList;
struct _DataBuffer;
typedef struct _DataBufferList {
struct _DataBuffer *first,*last;
int size;
int isEncrypted;
unsigned char * msgBuf;
int msgBufOffset;
int msgBufSize;
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 0x00003C: cs_str = "TLS/RSA/AES128-CBC/SHA256"; break;
case 0x00003D: cs_str = "TLS/RSA/AES256-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 0x00006A: cs_str = "TLS/DHE-DSS/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 0x0000FF: cs_str = "TLS_EMPTY_RENEGOTIATION_INFO_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 0x00C027: cs_str = "TLS/ECDHE-RSA/AES128-CBC/SHA256"; break;
case 0x00C028: cs_str = "TLS/ECDHE-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 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: sprintf(buf, "%d", ex_num); ex_name = (const char *)buf; break;
}
return ex_name;
}
static int isNULLmac(int cs_int)
{
return (cs_int == SSL_NULL_WITH_NULL_NULL);
}
static int isNULLcipher(int cs_int)
{
return ((cs_int == SSL_RSA_WITH_NULL_MD5) ||
(cs_int == SSL_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<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 (chv2->sidlength) {
PR_fprintf(PR_STDOUT," session-id = { ");
for (p=0;p<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 (chv2->rndlength) {
PR_fprintf(PR_STDOUT," challenge = { ");
for (p=0;p<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) {
goto eosh;
}
pos += q; /* skip certificate */
PR_fprintf(PR_STDOUT," cipher-suites = { ");
len = GET_SHORT((shv2->cslength));
for (p = 0; p < len; p += 3) {
PRUint32 cs_int = GET_24((pos+p));
const char *cs_str = V2CipherString(cs_int);
PR_fprintf(PR_STDOUT,"\n ");
PR_fprintf(PR_STDOUT,"(0x%06x) %s", cs_int, cs_str);
}
pos += len;
PR_fprintf(PR_STDOUT," }\n"); /* End of cipher suites */
len = (PRUint32)GET_SHORT((shv2->cidlength));
if (len) {
PR_fprintf(PR_STDOUT," connection-id = { ");
for (p = 0; p < len; p += 2) {
PR_fprintf(PR_STDOUT,"0x%04x ", (PRUint32)(GET_SHORT((pos + p))));
}
PR_fprintf(PR_STDOUT," }\n"); /* End of connection id */
}
eosh:
PR_fprintf(PR_STDOUT,"\n }\n"); /* end of ServerHelloV2 */
if (shv2->sidhit) {
clientstream.isEncrypted = 1;
serverstream.isEncrypted = 1;
}
break;
case 5:
PR_fprintf(PR_STDOUT," [ssl2] Server Verify V2 {...}\n");
isV2Session = 1;
break;
case 6:
PR_fprintf(PR_STDOUT," [ssl2] Server Finished V2 {...}\n");
isV2Session = 1;
break;
case 7:
PR_fprintf(PR_STDOUT," [ssl2] Request Certificate V2 {...}\n");
isV2Session = 1;
break;
case 8:
PR_fprintf(PR_STDOUT," [ssl2] Client Certificate V2 {...}\n");
isV2Session = 1;
break;
default:
PR_fprintf(PR_STDOUT," [ssl2] UnknownType 0x%02x {...}\n",
(PRUint32)chv2->type);
break;
}
}
unsigned int print_hello_extension(unsigned char * hsdata,
unsigned int length,
unsigned int pos)
{
/* pretty print extensions, if any */
if (pos < length) {
int exListLen = GET_SHORT((hsdata+pos)); pos += 2;
PR_fprintf(PR_STDOUT,
" extensions[%d] = {\n", exListLen);
while (exListLen > 0 && pos < length) {
int exLen;
int exType = GET_SHORT((hsdata+pos)); pos += 2;
exLen = GET_SHORT((hsdata+pos)); pos += 2;
/* dump the extension */
PR_fprintf(PR_STDOUT,
" extension type %s, length [%d]",
helloExtensionNameString(exType), exLen);
if (exLen > 0) {
PR_fprintf(PR_STDOUT, " = {\n");
print_hex(exLen, hsdata + pos);
PR_fprintf(PR_STDOUT, " }\n");
} else {
PR_fprintf(PR_STDOUT, "\n");
}
pos += exLen;
exListLen -= 2 + exLen;
}
PR_fprintf(PR_STDOUT," }\n");
}
return pos;
}
/* In the case of renegotiation, handshakes that occur in an already MAC'ed
* channel, by the time of this call, the caller has already removed the MAC
* from input recordLen. The only MAC'ed record that will get here with its
* MAC intact (not removed) is the first Finished message on the connection.
*/
void print_ssl3_handshake(unsigned char *recordBuf,
unsigned int recordLen,
SSLRecord * sr,
DataBufferList *s)
{
struct sslhandshake sslh;
unsigned char * hsdata;
int offset=0;
PR_fprintf(PR_STDOUT," handshake {\n");
if (s->msgBufOffset && s->msgBuf) {
/* append recordBuf to msgBuf, then use msgBuf */
if (s->msgBufOffset + recordLen > s->msgBufSize) {
int newSize = s->msgBufOffset + recordLen;
unsigned char * newBuf = PORT_Realloc(s->msgBuf, newSize);
if (!newBuf) {
PR_ASSERT(newBuf);
showErr( "Realloc failed");
exit(10);
}
s->msgBuf = newBuf;
s->msgBufSize = newSize;
}
memcpy(s->msgBuf + s->msgBufOffset, recordBuf, recordLen);
s->msgBufOffset += recordLen;
recordLen = s->msgBufOffset;
recordBuf = s->msgBuf;
}
while (offset + 4 <= recordLen) {
sslh.type = recordBuf[offset];
sslh.length = GET_24(recordBuf+offset+1);
if (offset + 4 + sslh.length > recordLen)
break;
/* finally have a complete message */
if (sslhexparse)
print_hex(4,recordBuf+offset);
hsdata = &recordBuf[offset+4];
PR_fprintf(PR_STDOUT," type = %d (",sslh.type);
switch(sslh.type) {
case 0: PR_FPUTS("hello_request)\n" ); break;
case 1: PR_FPUTS("client_hello)\n" ); break;
case 2: PR_FPUTS("server_hello)\n" ); break;
case 4: PR_FPUTS("new_session_ticket)\n" ); break;
case 11: PR_FPUTS("certificate)\n" ); break;
case 12: PR_FPUTS("server_key_exchange)\n" ); break;
case 13: PR_FPUTS("certificate_request)\n" ); break;
case 14: PR_FPUTS("server_hello_done)\n" ); break;
case 15: PR_FPUTS("certificate_verify)\n" ); break;
case 16: PR_FPUTS("client_key_exchange)\n" ); break;
case 20: PR_FPUTS("finished)\n" ); break;
default: PR_FPUTS("unknown)\n" ); break;
}
PR_fprintf(PR_STDOUT," length = %d (0x%06x)\n",sslh.length,sslh.length);
switch (sslh.type) {
case 0: /* hello_request */ /* not much to show here. */ break;
case 1: /* client hello */
switch (sr->ver_maj) {
case 3: /* ssl version 3 */
{
unsigned int pos;
int w;
PR_fprintf(PR_STDOUT," ClientHelloV3 {\n");
PR_fprintf(PR_STDOUT," client_version = {%d, %d}\n",
(PRUint8)hsdata[0],(PRUint8)hsdata[1]);
PR_fprintf(PR_STDOUT," random = {...}\n");
if (sslhexparse) print_hex(32,&hsdata[2]);
/* pretty print Session ID */
{
int sidlength = (int)hsdata[2+32];
PR_fprintf(PR_STDOUT," session ID = {\n");
PR_fprintf(PR_STDOUT," length = %d\n",sidlength);
PR_fprintf(PR_STDOUT," contents = {...}\n");
if (sslhexparse) print_hex(sidlength,&hsdata[2+32+1]);
PR_fprintf(PR_STDOUT," }\n");
pos = 2+32+1+sidlength;
}
/* pretty print cipher suites */
{
int csuitelength = GET_SHORT((hsdata+pos));
PR_fprintf(PR_STDOUT," cipher_suites[%d] = {\n",
csuitelength/2);
if (csuitelength % 2) {
PR_fprintf(PR_STDOUT,
"*error in protocol - csuitelength shouldn't be odd*\n");
}
for (w=0; w<csuitelength; w+=2) {
PRUint32 cs_int = GET_SHORT((hsdata+pos+2+w));
const char *cs_str = V2CipherString(cs_int);
PR_fprintf(PR_STDOUT,
" (0x%04x) %s\n", cs_int, cs_str);
}
pos += 2 + csuitelength;
PR_fprintf(PR_STDOUT," }\n");
}
/* pretty print compression methods */
{
int complength = hsdata[pos];
PR_fprintf(PR_STDOUT," compression[%d] = {\n",
complength);
for (w=0; w < complength; w++) {
PRUint32 cm_int = hsdata[pos+1+w];
const char *cm_str = CompressionMethodString(cm_int);
PR_fprintf(PR_STDOUT,
" (%02x) %s\n", cm_int, cm_str);
}
pos += 1 + complength;
PR_fprintf(PR_STDOUT," }\n");
}
/* pretty print extensions, if any */
pos = print_hello_extension(hsdata, sslh.length, pos);
PR_fprintf(PR_STDOUT," }\n");
} /* end of ssl version 3 */
break;
default:
PR_fprintf(PR_STDOUT," UNDEFINED VERSION %d.%d {...}\n",
sr->ver_maj, sr->ver_min );
if (sslhexparse) print_hex(sslh.length, hsdata);
break;
} /* end of switch sr->ver_maj */
break;
case 2: /* server hello */
{
unsigned int sidlength, pos;
PR_fprintf(PR_STDOUT," ServerHello {\n");
PR_fprintf(PR_STDOUT," server_version = {%d, %d}\n",
(PRUint8)hsdata[0],(PRUint8)hsdata[1]);
PR_fprintf(PR_STDOUT," random = {...}\n");
if (sslhexparse) print_hex(32,&hsdata[2]);
PR_fprintf(PR_STDOUT," session ID = {\n");
sidlength = (int)hsdata[2+32];
PR_fprintf(PR_STDOUT," length = %d\n",sidlength);
PR_fprintf(PR_STDOUT," contents = {...}\n");
if (sslhexparse) print_hex(sidlength,&hsdata[2+32+1]);
PR_fprintf(PR_STDOUT," }\n");
pos = 2+32+1+sidlength;
/* pretty print chosen cipher suite */
{
PRUint32 cs_int = GET_SHORT((hsdata+pos));
const char *cs_str = V2CipherString(cs_int);
PR_fprintf(PR_STDOUT," cipher_suite = (0x%04x) %s\n",
cs_int, cs_str);
currentcipher = cs_int;
pos += 2;
}
/* pretty print chosen compression method */
{
PRUint32 cm_int = hsdata[pos++];
const char *cm_str = CompressionMethodString(cm_int);
PR_fprintf(PR_STDOUT," compression method = (%02x) %s\n",
cm_int, cm_str);
}
/* pretty print extensions, if any */
pos = print_hello_extension(hsdata, sslh.length, pos);
PR_fprintf(PR_STDOUT," }\n");
}
break;
case 4: /* new session ticket */
{
PRUint32 lifetimehint;
PRUint16 ticketlength;
char lifetime[32];
lifetimehint = GET_32(hsdata);
if (lifetimehint) {
PRExplodedTime et;
PRTime t = lifetimehint;
t *= PR_USEC_PER_SEC;
PR_ExplodeTime(t, PR_GMTParameters, &et);
/* use HTTP Cookie header's date format */
PR_FormatTimeUSEnglish(lifetime, sizeof lifetime,
"%a, %d-%b-%Y %H:%M:%S GMT", &et);
} else {
/* 0 means the lifetime of the ticket is unspecified */
strcpy(lifetime, "unspecified");
}
ticketlength = GET_SHORT((hsdata+4));
PR_fprintf(PR_STDOUT," NewSessionTicket {\n");
PR_fprintf(PR_STDOUT," ticket_lifetime_hint = %s\n",
lifetime);
PR_fprintf(PR_STDOUT," ticket = {\n");
PR_fprintf(PR_STDOUT," length = %d\n",ticketlength);
PR_fprintf(PR_STDOUT," contents = {...}\n");
if (sslhexparse) print_hex(ticketlength,&hsdata[4+2]);
PR_fprintf(PR_STDOUT," }\n");
PR_fprintf(PR_STDOUT," }\n");
}
break;
case 11: /* certificate */
{
PRFileDesc *cfd;
int pos;
int certslength;
int certlength;
int certbytesread = 0;
static int certFileNumber;
char certFileName[20];
PR_fprintf(PR_STDOUT," CertificateChain {\n");
certslength = GET_24(hsdata);
PR_fprintf(PR_STDOUT," chainlength = %d (0x%04x)\n",
certslength,certslength);
pos = 3;
while (certbytesread < certslength) {
certlength = GET_24((hsdata+pos));
pos += 3;
PR_fprintf(PR_STDOUT," Certificate {\n");
PR_fprintf(PR_STDOUT," size = %d (0x%04x)\n",
certlength,certlength);
certbytesread += certlength+3;
if (certbytesread <= certslength) {
PR_snprintf(certFileName, sizeof certFileName, "cert.%03d",
++certFileNumber);
cfd = PR_Open(certFileName, PR_WRONLY|PR_CREATE_FILE|PR_TRUNCATE,
0664);
if (!cfd) {
PR_fprintf(PR_STDOUT,
" data = { couldn't save file '%s' }\n",
certFileName);
} else {
PR_Write(cfd, (hsdata+pos), certlength);