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d2e338b885
bug-835919.patch and bug-835919.patch. r=wtc. Bug 866525: Add AddressSanitizer annotations to port_ArenaZeroAfterMark. r=choller. Also include fixes for bug 866363, bug 866949, bug 835919, bug 863871.
244 lines
6.3 KiB
C
244 lines
6.3 KiB
C
/*
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* Functions to trace SSL protocol behavior in DEBUG builds.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include <stdarg.h>
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#include "cert.h"
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#include "ssl.h"
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#include "sslimpl.h"
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#include "sslproto.h"
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#include "prprf.h"
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#if defined(DEBUG) || defined(TRACE)
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static const char *hex = "0123456789abcdef";
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static const char printable[257] = {
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"................" /* 0x */
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"................" /* 1x */
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" !\"#$%&'()*+,-./" /* 2x */
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"0123456789:;<=>?" /* 3x */
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"@ABCDEFGHIJKLMNO" /* 4x */
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"PQRSTUVWXYZ[\\]^_" /* 5x */
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"`abcdefghijklmno" /* 6x */
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"pqrstuvwxyz{|}~." /* 7x */
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"................" /* 8x */
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"................" /* 9x */
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"................" /* ax */
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"................" /* bx */
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"................" /* cx */
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"................" /* dx */
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"................" /* ex */
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"................" /* fx */
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};
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void ssl_PrintBuf(sslSocket *ss, const char *msg, const void *vp, int len)
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{
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const unsigned char *cp = (const unsigned char *)vp;
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char buf[80];
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char *bp;
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char *ap;
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if (ss) {
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SSL_TRACE(("%d: SSL[%d]: %s [Len: %d]", SSL_GETPID(), ss->fd,
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msg, len));
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} else {
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SSL_TRACE(("%d: SSL: %s [Len: %d]", SSL_GETPID(), msg, len));
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}
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memset(buf, ' ', sizeof buf);
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bp = buf;
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ap = buf + 50;
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while (--len >= 0) {
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unsigned char ch = *cp++;
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*bp++ = hex[(ch >> 4) & 0xf];
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*bp++ = hex[ch & 0xf];
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*bp++ = ' ';
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*ap++ = printable[ch];
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if (ap - buf >= 66) {
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*ap = 0;
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SSL_TRACE((" %s", buf));
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memset(buf, ' ', sizeof buf);
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bp = buf;
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ap = buf + 50;
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}
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}
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if (bp > buf) {
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*ap = 0;
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SSL_TRACE((" %s", buf));
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}
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}
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#define LEN(cp) (((cp)[0] << 8) | ((cp)[1]))
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static void PrintType(sslSocket *ss, char *msg)
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{
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if (ss) {
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SSL_TRACE(("%d: SSL[%d]: dump-msg: %s", SSL_GETPID(), ss->fd,
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msg));
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} else {
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SSL_TRACE(("%d: SSL: dump-msg: %s", SSL_GETPID(), msg));
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}
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}
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static void PrintInt(sslSocket *ss, char *msg, unsigned v)
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{
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if (ss) {
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SSL_TRACE(("%d: SSL[%d]: %s=%u", SSL_GETPID(), ss->fd,
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msg, v));
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} else {
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SSL_TRACE(("%d: SSL: %s=%u", SSL_GETPID(), msg, v));
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}
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}
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/* PrintBuf is just like ssl_PrintBuf above, except that:
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* a) It prefixes each line of the buffer with "XX: SSL[xxx] "
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* b) It dumps only hex, not ASCII.
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*/
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static void PrintBuf(sslSocket *ss, char *msg, unsigned char *cp, int len)
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{
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char buf[80];
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char *bp;
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if (ss) {
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SSL_TRACE(("%d: SSL[%d]: %s [Len: %d]",
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SSL_GETPID(), ss->fd, msg, len));
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} else {
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SSL_TRACE(("%d: SSL: %s [Len: %d]",
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SSL_GETPID(), msg, len));
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}
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bp = buf;
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while (--len >= 0) {
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unsigned char ch = *cp++;
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*bp++ = hex[(ch >> 4) & 0xf];
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*bp++ = hex[ch & 0xf];
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*bp++ = ' ';
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if (bp + 4 > buf + 50) {
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*bp = 0;
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if (ss) {
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SSL_TRACE(("%d: SSL[%d]: %s",
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SSL_GETPID(), ss->fd, buf));
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} else {
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SSL_TRACE(("%d: SSL: %s", SSL_GETPID(), buf));
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}
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bp = buf;
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}
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}
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if (bp > buf) {
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*bp = 0;
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if (ss) {
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SSL_TRACE(("%d: SSL[%d]: %s",
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SSL_GETPID(), ss->fd, buf));
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} else {
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SSL_TRACE(("%d: SSL: %s", SSL_GETPID(), buf));
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}
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}
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}
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void ssl_DumpMsg(sslSocket *ss, unsigned char *bp, unsigned len)
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{
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switch (bp[0]) {
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case SSL_MT_ERROR:
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PrintType(ss, "Error");
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PrintInt(ss, "error", LEN(bp+1));
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break;
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case SSL_MT_CLIENT_HELLO:
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{
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unsigned lcs = LEN(bp+3);
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unsigned ls = LEN(bp+5);
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unsigned lc = LEN(bp+7);
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PrintType(ss, "Client-Hello");
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PrintInt(ss, "version (Major)", bp[1]);
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PrintInt(ss, "version (minor)", bp[2]);
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PrintBuf(ss, "cipher-specs", bp+9, lcs);
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PrintBuf(ss, "session-id", bp+9+lcs, ls);
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PrintBuf(ss, "challenge", bp+9+lcs+ls, lc);
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}
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break;
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case SSL_MT_CLIENT_MASTER_KEY:
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{
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unsigned lck = LEN(bp+4);
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unsigned lek = LEN(bp+6);
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unsigned lka = LEN(bp+8);
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PrintType(ss, "Client-Master-Key");
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PrintInt(ss, "cipher-choice", bp[1]);
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PrintInt(ss, "key-length", LEN(bp+2));
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PrintBuf(ss, "clear-key", bp+10, lck);
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PrintBuf(ss, "encrypted-key", bp+10+lck, lek);
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PrintBuf(ss, "key-arg", bp+10+lck+lek, lka);
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}
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break;
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case SSL_MT_CLIENT_FINISHED:
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PrintType(ss, "Client-Finished");
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PrintBuf(ss, "connection-id", bp+1, len-1);
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break;
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case SSL_MT_SERVER_HELLO:
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{
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unsigned lc = LEN(bp+5);
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unsigned lcs = LEN(bp+7);
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unsigned lci = LEN(bp+9);
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PrintType(ss, "Server-Hello");
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PrintInt(ss, "session-id-hit", bp[1]);
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PrintInt(ss, "certificate-type", bp[2]);
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PrintInt(ss, "version (Major)", bp[3]);
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PrintInt(ss, "version (minor)", bp[3]);
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PrintBuf(ss, "certificate", bp+11, lc);
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PrintBuf(ss, "cipher-specs", bp+11+lc, lcs);
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PrintBuf(ss, "connection-id", bp+11+lc+lcs, lci);
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}
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break;
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case SSL_MT_SERVER_VERIFY:
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PrintType(ss, "Server-Verify");
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PrintBuf(ss, "challenge", bp+1, len-1);
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break;
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case SSL_MT_SERVER_FINISHED:
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PrintType(ss, "Server-Finished");
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PrintBuf(ss, "session-id", bp+1, len-1);
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break;
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case SSL_MT_REQUEST_CERTIFICATE:
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PrintType(ss, "Request-Certificate");
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PrintInt(ss, "authentication-type", bp[1]);
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PrintBuf(ss, "certificate-challenge", bp+2, len-2);
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break;
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case SSL_MT_CLIENT_CERTIFICATE:
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{
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unsigned lc = LEN(bp+2);
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unsigned lr = LEN(bp+4);
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PrintType(ss, "Client-Certificate");
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PrintInt(ss, "certificate-type", bp[1]);
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PrintBuf(ss, "certificate", bp+6, lc);
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PrintBuf(ss, "response", bp+6+lc, lr);
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}
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break;
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default:
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ssl_PrintBuf(ss, "sending *unknown* message type", bp, len);
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return;
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}
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}
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void
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ssl_Trace(const char *format, ... )
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{
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char buf[2000];
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va_list args;
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if (ssl_trace_iob) {
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va_start(args, format);
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PR_vsnprintf(buf, sizeof(buf), format, args);
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va_end(args);
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fputs(buf, ssl_trace_iob);
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fputs("\n", ssl_trace_iob);
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}
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}
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#endif
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