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Diff for /src/usr.bin/ssh/Attic/sshconnect1.c between version 1.61.2.3 and 1.62

version 1.61.2.3, 2006/11/08 00:44:05 version 1.62, 2005/10/30 08:52:18
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 /* $OpenBSD$ */  
 /*  /*
  * Author: Tatu Ylonen <ylo@cs.hut.fi>   * Author: Tatu Ylonen <ylo@cs.hut.fi>
  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland   * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
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  * called by a name other than "ssh" or "Secure Shell".   * called by a name other than "ssh" or "Secure Shell".
  */   */
   
 #include <sys/types.h>  #include "includes.h"
 #include <sys/socket.h>  RCSID("$OpenBSD$");
   
 #include <openssl/bn.h>  #include <openssl/bn.h>
 #include <openssl/md5.h>  #include <openssl/md5.h>
   
 #include <stdio.h>  
 #include <stdlib.h>  
 #include <string.h>  
 #include <signal.h>  
 #include <pwd.h>  
   
 #include "xmalloc.h"  
 #include "ssh.h"  #include "ssh.h"
 #include "ssh1.h"  #include "ssh1.h"
   #include "xmalloc.h"
 #include "rsa.h"  #include "rsa.h"
 #include "buffer.h"  #include "buffer.h"
 #include "packet.h"  #include "packet.h"
 #include "key.h"  
 #include "cipher.h"  
 #include "kex.h"  #include "kex.h"
 #include "uidswap.h"  #include "uidswap.h"
 #include "log.h"  #include "log.h"
 #include "readconf.h"  #include "readconf.h"
   #include "key.h"
 #include "authfd.h"  #include "authfd.h"
 #include "sshconnect.h"  #include "sshconnect.h"
 #include "authfile.h"  #include "authfile.h"
 #include "misc.h"  #include "misc.h"
   #include "cipher.h"
 #include "canohost.h"  #include "canohost.h"
 #include "hostfile.h"  
 #include "auth.h"  #include "auth.h"
   
 /* Session id for the current session. */  /* Session id for the current session. */
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         BIGNUM *challenge;          BIGNUM *challenge;
         Key *public, *private;          Key *public, *private;
         char buf[300], *passphrase, *comment, *authfile;          char buf[300], *passphrase, *comment, *authfile;
         int i, perm_ok = 1, type, quit;          int i, type, quit;
   
         public = options.identity_keys[idx];          public = options.identity_keys[idx];
         authfile = options.identity_files[idx];          authfile = options.identity_files[idx];
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         if (public->flags & KEY_FLAG_EXT)          if (public->flags & KEY_FLAG_EXT)
                 private = public;                  private = public;
         else          else
                 private = key_load_private_type(KEY_RSA1, authfile, "", NULL,                  private = key_load_private_type(KEY_RSA1, authfile, "", NULL);
                     &perm_ok);          if (private == NULL && !options.batch_mode) {
         if (private == NULL && !options.batch_mode && perm_ok) {  
                 snprintf(buf, sizeof(buf),                  snprintf(buf, sizeof(buf),
                     "Enter passphrase for RSA key '%.100s': ", comment);                      "Enter passphrase for RSA key '%.100s': ", comment);
                 for (i = 0; i < options.number_of_password_prompts; i++) {                  for (i = 0; i < options.number_of_password_prompts; i++) {
                         passphrase = read_passphrase(buf, 0);                          passphrase = read_passphrase(buf, 0);
                         if (strcmp(passphrase, "") != 0) {                          if (strcmp(passphrase, "") != 0) {
                                 private = key_load_private_type(KEY_RSA1,                                  private = key_load_private_type(KEY_RSA1,
                                     authfile, passphrase, NULL, NULL);                                      authfile, passphrase, NULL);
                                 quit = 0;                                  quit = 0;
                         } else {                          } else {
                                 debug2("no passphrase given, try next key");                                  debug2("no passphrase given, try next key");
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         xfree(comment);          xfree(comment);
   
         if (private == NULL) {          if (private == NULL) {
                 if (!options.batch_mode && perm_ok)                  if (!options.batch_mode)
                         error("Bad passphrase.");                          error("Bad passphrase.");
   
                 /* Send a dummy response packet to avoid protocol error. */                  /* Send a dummy response packet to avoid protocol error. */
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          * the first 16 bytes of the session id.           * the first 16 bytes of the session id.
          */           */
         if ((key = BN_new()) == NULL)          if ((key = BN_new()) == NULL)
                 fatal("ssh_kex: BN_new failed");                  fatal("respond_to_rsa_challenge: BN_new failed");
         if (BN_set_word(key, 0) == 0)          BN_set_word(key, 0);
                 fatal("ssh_kex: BN_set_word failed");  
         for (i = 0; i < SSH_SESSION_KEY_LENGTH; i++) {          for (i = 0; i < SSH_SESSION_KEY_LENGTH; i++) {
                 if (BN_lshift(key, key, 8) == 0)                  BN_lshift(key, key, 8);
                         fatal("ssh_kex: BN_lshift failed");                  if (i < 16)
                 if (i < 16) {                          BN_add_word(key, session_key[i] ^ session_id[i]);
                         if (BN_add_word(key, session_key[i] ^ session_id[i])                  else
                             == 0)                          BN_add_word(key, session_key[i]);
                                 fatal("ssh_kex: BN_add_word failed");  
                 } else {  
                         if (BN_add_word(key, session_key[i]) == 0)  
                                 fatal("ssh_kex: BN_add_word failed");  
                 }  
         }          }
   
         /*          /*
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Removed from v.1.61.2.3  
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  Added in v.1.62