libssh  0.6.3
messages.h
1 /*
2  * This file is part of the SSH Library
3  *
4  * Copyright (c) 2009 by Aris Adamantiadis
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #ifndef MESSAGES_H_
22 #define MESSAGES_H_
23 
24 #include "config.h"
25 
26 struct ssh_auth_request {
27  char *username;
28  int method;
29  char *password;
30  struct ssh_key_struct *pubkey;
31  char signature_state;
32  char kbdint_response;
33 };
34 
35 struct ssh_channel_request_open {
36  int type;
37  uint32_t sender;
38  uint32_t window;
39  uint32_t packet_size;
40  char *originator;
41  uint16_t originator_port;
42  char *destination;
43  uint16_t destination_port;
44 };
45 
46 struct ssh_service_request {
47  char *service;
48 };
49 
50 struct ssh_global_request {
51  int type;
52  uint8_t want_reply;
53  char *bind_address;
54  uint16_t bind_port;
55 };
56 
57 struct ssh_channel_request {
58  int type;
59  ssh_channel channel;
60  uint8_t want_reply;
61  /* pty-req type specifics */
62  char *TERM;
63  uint32_t width;
64  uint32_t height;
65  uint32_t pxwidth;
66  uint32_t pxheight;
67  ssh_string modes;
68 
69  /* env type request */
70  char *var_name;
71  char *var_value;
72  /* exec type request */
73  char *command;
74  /* subsystem */
75  char *subsystem;
76 
77  /* X11 */
78  uint8_t x11_single_connection;
79  const char *x11_auth_protocol;
80  const char *x11_auth_cookie;
81  uint32_t x11_screen_number;
82 };
83 
84 struct ssh_message_struct {
85  ssh_session session;
86  int type;
87  struct ssh_auth_request auth_request;
88  struct ssh_channel_request_open channel_request_open;
89  struct ssh_channel_request channel_request;
90  struct ssh_service_request service_request;
91  struct ssh_global_request global_request;
92 };
93 
94 SSH_PACKET_CALLBACK(ssh_packet_channel_open);
95 SSH_PACKET_CALLBACK(ssh_packet_global_request);
96 
97 #ifdef WITH_SERVER
98 SSH_PACKET_CALLBACK(ssh_packet_service_request);
99 SSH_PACKET_CALLBACK(ssh_packet_userauth_request);
100 #endif /* WITH_SERVER */
101 
102 int ssh_message_handle_channel_request(ssh_session session, ssh_channel channel, ssh_buffer packet,
103  const char *request, uint8_t want_reply);
104 void ssh_message_queue(ssh_session session, ssh_message message);
105 ssh_message ssh_message_pop_head(ssh_session session);
106 int ssh_message_channel_request_open_reply_accept_channel(ssh_message msg, ssh_channel chan);
107 
108 #endif /* MESSAGES_H_ */
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