Remove tools again. Should have done it with svn merge --reintegrate

1 files changed, 0 insertions, 190 deletions

diff --git a/tools/plink/cproxy.c b/tools/plink/cproxy.c
deleted file mode 100644
index 5537fca80..000000000
--- a/tools/plink/cproxy.c
+++ /dev/null
@@ -1,190 +0,0 @@
-/*

- * Routines to do cryptographic interaction with proxies in PuTTY.

- * This is in a separate module from proxy.c, so that it can be

- * conveniently removed in PuTTYtel by replacing this module with

- * the stub version nocproxy.c.

- */

-

-#include <assert.h>

-#include <ctype.h>

-#include <string.h>

-

-#define DEFINE_PLUG_METHOD_MACROS

-#include "putty.h"

-#include "ssh.h" /* For MD5 support */

-#include "network.h"

-#include "proxy.h"

-

-static void hmacmd5_chap(const unsigned char *challenge, int challen,

-			 const char *passwd, unsigned char *response)

-{

-    void *hmacmd5_ctx;

-    int pwlen;

-

-    hmacmd5_ctx = hmacmd5_make_context();

-

-    pwlen = strlen(passwd);

-    if (pwlen>64) {

-	unsigned char md5buf[16];

-	MD5Simple(passwd, pwlen, md5buf);

-	hmacmd5_key(hmacmd5_ctx, md5buf, 16);

-    } else {

-	hmacmd5_key(hmacmd5_ctx, passwd, pwlen);

-    }

-

-    hmacmd5_do_hmac(hmacmd5_ctx, challenge, challen, response);

-    hmacmd5_free_context(hmacmd5_ctx);

-}

-

-void proxy_socks5_offerencryptedauth(char *command, int *len)

-{

-    command[*len] = 0x03; /* CHAP */

-    (*len)++;

-}

-

-int proxy_socks5_handlechap (Proxy_Socket p)

-{

-

-    /* CHAP authentication reply format:

-     *  version number (1 bytes) = 1

-     *  number of commands (1 byte)

-     *

-     * For each command:

-     *  command identifier (1 byte)

-     *  data length (1 byte)

-     */

-    unsigned char data[260];

-    unsigned char outbuf[20];

-

-    while(p->chap_num_attributes == 0 ||

-	  p->chap_num_attributes_processed < p->chap_num_attributes) {

-	if (p->chap_num_attributes == 0 ||

-	    p->chap_current_attribute == -1) {

-	    /* CHAP normally reads in two bytes, either at the

-	     * beginning or for each attribute/value pair.  But if

-	     * we're waiting for the value's data, we might not want

-	     * to read 2 bytes.

-	     */

- 

-	    if (bufchain_size(&p->pending_input_data) < 2)

-		return 1;	       /* not got anything yet */

-

-	    /* get the response */

-	    bufchain_fetch(&p->pending_input_data, data, 2);

-	    bufchain_consume(&p->pending_input_data, 2);

-	}

-

-	if (p->chap_num_attributes == 0) {

-	    /* If there are no attributes, this is our first msg

-	     * with the server, where we negotiate version and 

-	     * number of attributes

-	     */

-	    if (data[0] != 0x01) {

-		plug_closing(p->plug, "Proxy error: SOCKS proxy wants"

-			     " a different CHAP version",

-			     PROXY_ERROR_GENERAL, 0);

-		return 1;

-	    }

-	    if (data[1] == 0x00) {

-		plug_closing(p->plug, "Proxy error: SOCKS proxy won't"

-			     " negotiate CHAP with us",

-			     PROXY_ERROR_GENERAL, 0);

-		return 1;

-	    }

-	    p->chap_num_attributes = data[1];

-	} else {

-	    if (p->chap_current_attribute == -1) {

-		/* We have to read in each attribute/value pair -

-		 * those we don't understand can be ignored, but

-		 * there are a few we'll need to handle.

-		 */

-		p->chap_current_attribute = data[0];

-		p->chap_current_datalen = data[1];

-	    }

-	    if (bufchain_size(&p->pending_input_data) <

-		p->chap_current_datalen)

-		return 1;	       /* not got everything yet */

-

-	    /* get the response */

-	    bufchain_fetch(&p->pending_input_data, data,

-			   p->chap_current_datalen);

-

-	    bufchain_consume(&p->pending_input_data,

-			     p->chap_current_datalen);

-

-	    switch (p->chap_current_attribute) {

-	      case 0x00:

-		/* Successful authentication */

-		if (data[0] == 0x00)

-		    p->state = 2;

-		else {

-		    plug_closing(p->plug, "Proxy error: SOCKS proxy"

-				 " refused CHAP authentication",

-				 PROXY_ERROR_GENERAL, 0);

-		    return 1;

-		}

-	      break;

-	      case 0x03:

-		outbuf[0] = 0x01; /* Version */

-		outbuf[1] = 0x01; /* One attribute */

-		outbuf[2] = 0x04; /* Response */

-		outbuf[3] = 0x10; /* Length */

-		hmacmd5_chap(data, p->chap_current_datalen,

-			     p->cfg.proxy_password, &outbuf[4]);

-		sk_write(p->sub_socket, (char *)outbuf, 20);

-	      break;

-	      case 0x11:

-	        /* Chose a protocol */

-		if (data[0] != 0x85) {

-		    plug_closing(p->plug, "Proxy error: Server chose "

-				 "CHAP of other than HMAC-MD5 but we "

-				 "didn't offer it!",

-				 PROXY_ERROR_GENERAL, 0);

-		    return 1;

-		}

-	      break;

-	    }

-	    p->chap_current_attribute = -1;

-	    p->chap_num_attributes_processed++;

-	}

-	if (p->state == 8 &&

-	    p->chap_num_attributes_processed >= p->chap_num_attributes) {

-	    p->chap_num_attributes = 0;

-	    p->chap_num_attributes_processed = 0;

-	    p->chap_current_datalen = 0;

-	}

-    }

-    return 0;

-}

-

-int proxy_socks5_selectchap(Proxy_Socket p)

-{

-    if (p->cfg.proxy_username[0] || p->cfg.proxy_password[0]) {

-	char chapbuf[514];

-	int ulen;

-	chapbuf[0] = '\x01'; /* Version */

-	chapbuf[1] = '\x02'; /* Number of attributes sent */

-	chapbuf[2] = '\x11'; /* First attribute - algorithms list */

-	chapbuf[3] = '\x01'; /* Only one CHAP algorithm */

-	chapbuf[4] = '\x85'; /* ...and it's HMAC-MD5, the core one */

-	chapbuf[5] = '\x02'; /* Second attribute - username */

-

-	ulen = strlen(p->cfg.proxy_username);

-	if (ulen > 255) ulen = 255; if (ulen < 1) ulen = 1;

-

-	chapbuf[6] = ulen;

-	memcpy(chapbuf+7, p->cfg.proxy_username, ulen);

-

-	sk_write(p->sub_socket, chapbuf, ulen + 7);

-	p->chap_num_attributes = 0;

-	p->chap_num_attributes_processed = 0;

-	p->chap_current_attribute = -1;

-	p->chap_current_datalen = 0;

-

-	p->state = 8;

-    } else 

-	plug_closing(p->plug, "Proxy error: Server chose "

-		     "CHAP authentication but we didn't offer it!",

-		 PROXY_ERROR_GENERAL, 0);

-    return 1;

-}