/[LeafOK_CVS]/lbbs/src/test_ssh_server.c
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Revision 1.11 by sysadm, Sat Oct 25 03:11:11 2025 UTC Revision 1.18 by sysadm, Thu Dec 18 07:58:23 2025 UTC
# Line 1  Line 1 
1  /***************************************************************************  /* SPDX-License-Identifier: GPL-3.0-or-later */
2                                          test_ssh_server.c  -  description  /*
3                                                           -------------------   * test_ssh_server
4          Copyright            : (C) 2004-2025 by Leaflet   *   - tester for network server with SSH support
5          Email                : leaflet@leafok.com   *
6   ***************************************************************************/   * Copyright (C) 2004-2025  Leaflet <leaflet@leafok.com>
7     */
 /***************************************************************************  
  *                                                                         *  
  *   This program is free software; you can redistribute it and/or modify  *  
  *   it under the terms of the GNU General Public License as published by  *  
  *   the Free Software Foundation; either version 3 of the License, or     *  
  *   (at your option) any later version.                                   *  
  *                                                                         *  
  ***************************************************************************/  
8    
9  // This test was written based on libssh example/proxy.c  // This test was written based on libssh example/proxy.c
10    
11    #ifdef HAVE_CONFIG_H
12    #include "config.h"
13    #endif
14    
15  #include "log.h"  #include "log.h"
16  #include <stdio.h>  #include <stdio.h>
17  #include <libssh/callbacks.h>  #include <libssh/callbacks.h>
18  #include <libssh/libssh.h>  #include <libssh/libssh.h>
19  #include <libssh/server.h>  #include <libssh/server.h>
20    
21  #ifndef BUF_SIZE  enum test_ssh_server_constant_t
22  #define BUF_SIZE 2048  {
23  #endif          BUF_SIZE = 2048,
24    };
25    
26  #define SSH_HOST_RSA_KEYFILE "../conf/ssh_host_rsa_key"  static const char SSH_HOST_RSA_KEY_FILE[] = "../conf/ssh_host_rsa_key";
27    static const char SSH_HOST_ED25519_KEY_FILE[] = "../conf/ssh_host_ed25519_key";
28    static const char SSH_HOST_ECDSA_KEY_FILE[] = "../conf/ssh_host_ecdsa_key";
29    
30  #define USER "test"  static const char USER[] = "test";
31  #define PASSWORD "123456"  static const char PASSWORD[] = "123456";
32    
33  static ssh_channel SSH_channel;  static ssh_channel SSH_channel;
34  static int authenticated = 0;  static int authenticated = 0;
# Line 120  int ssh_server(const char *hostaddr, uns Line 119  int ssh_server(const char *hostaddr, uns
119          char host[128] = "";          char host[128] = "";
120          int i, r;          int i, r;
121    
122            int ssh_key_valid = 0;
123          int ssh_log_level = SSH_LOG_PROTOCOL;          int ssh_log_level = SSH_LOG_PROTOCOL;
124    
125          ssh_init();          ssh_init();
126    
127          sshbind = ssh_bind_new();          sshbind = ssh_bind_new();
128    
129            if (ssh_bind_options_set(sshbind, SSH_BIND_OPTIONS_HOSTKEY, SSH_HOST_RSA_KEY_FILE) < 0)
130            {
131                    log_error("Error loading SSH RSA key: %s\n", SSH_HOST_RSA_KEY_FILE);
132            }
133            else
134            {
135                    ssh_key_valid = 1;
136            }
137            if (ssh_bind_options_set(sshbind, SSH_BIND_OPTIONS_HOSTKEY, SSH_HOST_ED25519_KEY_FILE) < 0)
138            {
139                    log_error("Error loading SSH ED25519 key: %s\n", SSH_HOST_ED25519_KEY_FILE);
140            }
141            else
142            {
143                    ssh_key_valid = 1;
144            }
145            if (ssh_bind_options_set(sshbind, SSH_BIND_OPTIONS_HOSTKEY, SSH_HOST_ECDSA_KEY_FILE) < 0)
146            {
147                    log_error("Error loading SSH ECDSA key: %s\n", SSH_HOST_ECDSA_KEY_FILE);
148            }
149            else
150            {
151                    ssh_key_valid = 1;
152            }
153    
154            if (!ssh_key_valid)
155            {
156                    log_error("Error: no valid SSH host key\n");
157                    ssh_bind_free(sshbind);
158                    return -1;
159            }
160    
161          if (ssh_bind_options_set(sshbind, SSH_BIND_OPTIONS_BINDADDR, hostaddr) < 0 ||          if (ssh_bind_options_set(sshbind, SSH_BIND_OPTIONS_BINDADDR, hostaddr) < 0 ||
162                  ssh_bind_options_set(sshbind, SSH_BIND_OPTIONS_BINDPORT, &port) < 0 ||                  ssh_bind_options_set(sshbind, SSH_BIND_OPTIONS_BINDPORT, &port) < 0 ||
163                  ssh_bind_options_set(sshbind, SSH_BIND_OPTIONS_HOSTKEY, SSH_HOST_RSA_KEYFILE) < 0 ||                  ssh_bind_options_set(sshbind, SSH_BIND_OPTIONS_HOSTKEY_ALGORITHMS, "+ssh-ed25519,ecdsa-sha2-nistp256,ssh-rsa") < 0 ||
                 ssh_bind_options_set(sshbind, SSH_BIND_OPTIONS_HOSTKEY_ALGORITHMS, "ssh-rsa,rsa-sha2-512,rsa-sha2-256,ecdsa-sha2-nistp256") < 0 ||  
                 ssh_bind_options_set(sshbind, SSH_BIND_OPTIONS_PUBKEY_ACCEPTED_KEY_TYPES, "ssh-rsa,rsa-sha2-512,rsa-sha2-256,ecdsa-sha2-nistp256") < 0 ||  
                 ssh_bind_options_set(sshbind, SSH_BIND_OPTIONS_KEY_EXCHANGE, "curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group14-sha256,diffie-hellman-group14-sha1") < 0 ||  
                 ssh_bind_options_set(sshbind, SSH_BIND_OPTIONS_HMAC_C_S, "umac-64-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,hmac-sha1-etm@openssh.com,umac-64@openssh.com,umac-128@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1") < 0 ||  
                 ssh_bind_options_set(sshbind, SSH_BIND_OPTIONS_HMAC_S_C, "umac-64-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,hmac-sha1-etm@openssh.com,umac-64@openssh.com,umac-128@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1") < 0 ||  
                 ssh_bind_options_set(sshbind, SSH_BIND_OPTIONS_CIPHERS_C_S, "chacha20-poly1305@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm@openssh.com,aes256-gcm@openssh.com") < 0 ||  
                 ssh_bind_options_set(sshbind, SSH_BIND_OPTIONS_CIPHERS_S_C, "chacha20-poly1305@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm@openssh.com,aes256-gcm@openssh.com") < 0 ||  
164                  ssh_bind_options_set(sshbind, SSH_BIND_OPTIONS_LOG_VERBOSITY, &ssh_log_level) < 0)                  ssh_bind_options_set(sshbind, SSH_BIND_OPTIONS_LOG_VERBOSITY, &ssh_log_level) < 0)
165          {          {
166                  log_error("Error setting SSH bind options: %s\n", ssh_get_error(sshbind));                  log_error("Error setting SSH bind options: %s\n", ssh_get_error(sshbind));

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