annotate session.h @ 980:2d421bc0545d

Added tag DROPBEAR_2014.66 for changeset 735511a4c761
author Matt Johnston <matt@ucc.asn.au>
date Thu, 23 Oct 2014 22:09:22 +0800
parents 0bb16232e7c4
children 73ea0dce9a57 aac0095dc3b4 deed0571cacc
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
1 /*
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
2 * Dropbear - a SSH2 server
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
3 *
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
4 * Copyright (c) 2002,2003 Matt Johnston
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
5 * All rights reserved.
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
6 *
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
8 * of this software and associated documentation files (the "Software"), to deal
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
9 * in the Software without restriction, including without limitation the rights
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
11 * copies of the Software, and to permit persons to whom the Software is
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
12 * furnished to do so, subject to the following conditions:
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
13 *
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
14 * The above copyright notice and this permission notice shall be included in
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
15 * all copies or substantial portions of the Software.
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
16 *
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
23 * SOFTWARE. */
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
24
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
25 #ifndef _SESSION_H_
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
26 #define _SESSION_H_
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
27
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
28 #include "includes.h"
26
0969767bca0d snapshot of stuff
Matt Johnston <matt@ucc.asn.au>
parents: 24
diff changeset
29 #include "options.h"
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
30 #include "buffer.h"
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
31 #include "signkey.h"
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
32 #include "kex.h"
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
33 #include "auth.h"
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
34 #include "channel.h"
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
35 #include "queue.h"
9
7f77962de998 - Reworked non-channel fd handling to listener.c
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
36 #include "listener.h"
22
c1e5d9195402 merge of abac2150ee4f4031a98016241fbd136d24fed127
Matt Johnston <matt@ucc.asn.au>
parents: 21
diff changeset
37 #include "packet.h"
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 47
diff changeset
38 #include "tcpfwd.h"
130
154c8d5a6d1e propagate of 82bb923d0154750ef716b66b498561f882891946 and f51a272341ee12268fe7028bc2f2bad66c603069 from branch 'matt.dbclient.work' to 'matt.dbclient.rez'
Matt Johnston <matt@ucc.asn.au>
parents: 108
diff changeset
39 #include "chansession.h"
614
00eca37e47e8 Add noreturn and format attribute hints for some functions.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
40 #include "dbutil.h"
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
41
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
42 extern int sessinitdone; /* Is set to 0 somewhere */
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
43 extern int exitflag;
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
44
568
005530560594 Rearrange getaddrstring() etc
Matt Johnston <matt@ucc.asn.au>
parents: 559
diff changeset
45 void common_session_init(int sock_in, int sock_out);
26
0969767bca0d snapshot of stuff
Matt Johnston <matt@ucc.asn.au>
parents: 24
diff changeset
46 void session_loop(void(*loophandler)());
733
70811267715c Run the cleanup handler also when we close due to TCP connection being closed
Matt Johnston <matt@ucc.asn.au>
parents: 727
diff changeset
47 void session_cleanup();
726
78eda530c000 send out our kexinit packet before blocking to read the SSH version string
Matt Johnston <matt@ucc.asn.au>
parents: 722
diff changeset
48 void send_session_identification();
454
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 452
diff changeset
49 void send_msg_ignore();
970
0bb16232e7c4 Make keepalive handling more robust, this should now match what OpenSSH does
Matt Johnston <matt@ucc.asn.au>
parents: 968
diff changeset
50 void ignore_recv_response();
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
51
941
5daedffd0769 Set tcp priority as follows:
Matt Johnston <matt@ucc.asn.au>
parents: 940
diff changeset
52 void update_channel_prio();
5daedffd0769 Set tcp priority as follows:
Matt Johnston <matt@ucc.asn.au>
parents: 940
diff changeset
53
482
7ad49f34a122 - Add run_shell_command() function to run a "sh -c" command, handling
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
54 const char* get_user_shell();
483
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 482
diff changeset
55 void fill_passwd(const char* username);
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
56
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
57 /* Server */
568
005530560594 Rearrange getaddrstring() etc
Matt Johnston <matt@ucc.asn.au>
parents: 559
diff changeset
58 void svr_session(int sock, int childpipe);
614
00eca37e47e8 Add noreturn and format attribute hints for some functions.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
59 void svr_dropbear_exit(int exitcode, const char* format, va_list param) ATTRIB_NORETURN;
5
bc6477a6c393 syntactical fixups - it compiles, but channel handling code requires fixing.
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
60 void svr_dropbear_log(int priority, const char* format, va_list param);
bc6477a6c393 syntactical fixups - it compiles, but channel handling code requires fixing.
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
61
26
0969767bca0d snapshot of stuff
Matt Johnston <matt@ucc.asn.au>
parents: 24
diff changeset
62 /* Client */
568
005530560594 Rearrange getaddrstring() etc
Matt Johnston <matt@ucc.asn.au>
parents: 559
diff changeset
63 void cli_session(int sock_in, int sock_out);
43
942b22d7dd1c Banner printing
Matt Johnston <matt@ucc.asn.au>
parents: 41
diff changeset
64 void cleantext(unsigned char* dirtytext);
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
65
534
0431915df79f - Get rid of decryptreadbuf, just decrypt in-place with readbuf
Matt Johnston <matt@ucc.asn.au>
parents: 513
diff changeset
66 /* crypto parameters that are stored individually for transmit and receive */
0431915df79f - Get rid of decryptreadbuf, just decrypt in-place with readbuf
Matt Johnston <matt@ucc.asn.au>
parents: 513
diff changeset
67 struct key_context_directional {
712
bf0ac0512ef7 Fix "-m none" case and ugly typo
Matt Johnston <matt@ucc.asn.au>
parents: 686
diff changeset
68 const struct dropbear_cipher *algo_crypt;
534
0431915df79f - Get rid of decryptreadbuf, just decrypt in-place with readbuf
Matt Johnston <matt@ucc.asn.au>
parents: 513
diff changeset
69 const struct dropbear_cipher_mode *crypt_mode;
712
bf0ac0512ef7 Fix "-m none" case and ugly typo
Matt Johnston <matt@ucc.asn.au>
parents: 686
diff changeset
70 const struct dropbear_hash *algo_mac;
534
0431915df79f - Get rid of decryptreadbuf, just decrypt in-place with readbuf
Matt Johnston <matt@ucc.asn.au>
parents: 513
diff changeset
71 int hash_index; /* lookup for libtomcrypt */
755
b07eb3dc23ec refactor kexdh code a bit, start working on ecdh etc
Matt Johnston <matt@ucc.asn.au>
parents: 722
diff changeset
72 int algo_comp; /* compression */
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
73 #ifndef DISABLE_ZLIB
534
0431915df79f - Get rid of decryptreadbuf, just decrypt in-place with readbuf
Matt Johnston <matt@ucc.asn.au>
parents: 513
diff changeset
74 z_streamp zstream;
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
75 #endif
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
76 /* actual keys */
502
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
77 union {
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
78 symmetric_CBC cbc;
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
79 #ifdef DROPBEAR_ENABLE_CTR_MODE
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
80 symmetric_CTR ctr;
43bbe17d6ba0 - Add Counter Mode support
Matt Johnston <matt@ucc.asn.au>
parents: 501
diff changeset
81 #endif
534
0431915df79f - Get rid of decryptreadbuf, just decrypt in-place with readbuf
Matt Johnston <matt@ucc.asn.au>
parents: 513
diff changeset
82 } cipher_state;
715
cd3d3c63d189 Make hmac-sha2-256 and hmac-sha2-512 work
Matt Johnston <matt@ucc.asn.au>
parents: 712
diff changeset
83 unsigned char mackey[MAX_MAC_LEN];
753
d63ef1e211ea Take transmit and receive keys into use separately
Matt Johnston <matt@ucc.asn.au>
parents: 747
diff changeset
84 int valid;
534
0431915df79f - Get rid of decryptreadbuf, just decrypt in-place with readbuf
Matt Johnston <matt@ucc.asn.au>
parents: 513
diff changeset
85 };
0431915df79f - Get rid of decryptreadbuf, just decrypt in-place with readbuf
Matt Johnston <matt@ucc.asn.au>
parents: 513
diff changeset
86
0431915df79f - Get rid of decryptreadbuf, just decrypt in-place with readbuf
Matt Johnston <matt@ucc.asn.au>
parents: 513
diff changeset
87 struct key_context {
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
88
534
0431915df79f - Get rid of decryptreadbuf, just decrypt in-place with readbuf
Matt Johnston <matt@ucc.asn.au>
parents: 513
diff changeset
89 struct key_context_directional recv;
0431915df79f - Get rid of decryptreadbuf, just decrypt in-place with readbuf
Matt Johnston <matt@ucc.asn.au>
parents: 513
diff changeset
90 struct key_context_directional trans;
0431915df79f - Get rid of decryptreadbuf, just decrypt in-place with readbuf
Matt Johnston <matt@ucc.asn.au>
parents: 513
diff changeset
91
756
bf9dc2d9c2b1 more bits on ecc branch
Matt Johnston <matt@ucc.asn.au>
parents: 755
diff changeset
92 const struct dropbear_kex *algo_kex;
755
b07eb3dc23ec refactor kexdh code a bit, start working on ecdh etc
Matt Johnston <matt@ucc.asn.au>
parents: 722
diff changeset
93 int algo_hostkey;
534
0431915df79f - Get rid of decryptreadbuf, just decrypt in-place with readbuf
Matt Johnston <matt@ucc.asn.au>
parents: 513
diff changeset
94
0431915df79f - Get rid of decryptreadbuf, just decrypt in-place with readbuf
Matt Johnston <matt@ucc.asn.au>
parents: 513
diff changeset
95 int allow_compress; /* whether compression has started (useful in
0431915df79f - Get rid of decryptreadbuf, just decrypt in-place with readbuf
Matt Johnston <matt@ucc.asn.au>
parents: 513
diff changeset
96 [email protected] delayed compression case) */
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
97 };
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
98
452
4cab61369879 Prevent invalid packets being sent during key-exchange, instead queue
Matt Johnston <matt@ucc.asn.au>
parents: 433
diff changeset
99 struct packetlist;
4cab61369879 Prevent invalid packets being sent during key-exchange, instead queue
Matt Johnston <matt@ucc.asn.au>
parents: 433
diff changeset
100 struct packetlist {
4cab61369879 Prevent invalid packets being sent during key-exchange, instead queue
Matt Johnston <matt@ucc.asn.au>
parents: 433
diff changeset
101 struct packetlist *next;
4cab61369879 Prevent invalid packets being sent during key-exchange, instead queue
Matt Johnston <matt@ucc.asn.au>
parents: 433
diff changeset
102 buffer * payload;
4cab61369879 Prevent invalid packets being sent during key-exchange, instead queue
Matt Johnston <matt@ucc.asn.au>
parents: 433
diff changeset
103 };
4cab61369879 Prevent invalid packets being sent during key-exchange, instead queue
Matt Johnston <matt@ucc.asn.au>
parents: 433
diff changeset
104
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
105 struct sshsession {
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
106
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
107 /* Is it a client or server? */
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
108 unsigned char isserver;
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
109
479
e3db1f7a2e43 - Split main socket var into ses.sock_in/ses.sock_out in preparation
Matt Johnston <matt@ucc.asn.au>
parents: 454
diff changeset
110 int sock_in;
e3db1f7a2e43 - Split main socket var into ses.sock_in/ses.sock_out in preparation
Matt Johnston <matt@ucc.asn.au>
parents: 454
diff changeset
111 int sock_out;
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
112
726
78eda530c000 send out our kexinit packet before blocking to read the SSH version string
Matt Johnston <matt@ucc.asn.au>
parents: 722
diff changeset
113 /* remotehost will be initially NULL as we delay
78eda530c000 send out our kexinit packet before blocking to read the SSH version string
Matt Johnston <matt@ucc.asn.au>
parents: 722
diff changeset
114 * reading the remote version string. it will be set
78eda530c000 send out our kexinit packet before blocking to read the SSH version string
Matt Johnston <matt@ucc.asn.au>
parents: 722
diff changeset
115 * by the time any recv_() packet methods are called */
78eda530c000 send out our kexinit packet before blocking to read the SSH version string
Matt Johnston <matt@ucc.asn.au>
parents: 722
diff changeset
116 unsigned char *remoteident;
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
117
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
118 int maxfd; /* the maximum file descriptor to check with select() */
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
119
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
120
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
121 /* Packet buffers/values etc */
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
122 buffer *writepayload; /* Unencrypted payload to write - this is used
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
123 throughout the code, as handlers fill out this
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
124 buffer with the packet to send. */
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
125 struct Queue writequeue; /* A queue of encrypted packets to send */
534
0431915df79f - Get rid of decryptreadbuf, just decrypt in-place with readbuf
Matt Johnston <matt@ucc.asn.au>
parents: 513
diff changeset
126 buffer *readbuf; /* From the wire, decrypted in-place */
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
127 buffer *payload; /* Post-decompression, the actual SSH packet */
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
128 unsigned int transseq, recvseq; /* Sequence IDs */
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
129
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
130 /* Packet-handling flags */
22
c1e5d9195402 merge of abac2150ee4f4031a98016241fbd136d24fed127
Matt Johnston <matt@ucc.asn.au>
parents: 21
diff changeset
131 const packettype * packettypes; /* Packet handler mappings for this
c1e5d9195402 merge of abac2150ee4f4031a98016241fbd136d24fed127
Matt Johnston <matt@ucc.asn.au>
parents: 21
diff changeset
132 session, see process-packet.c */
c1e5d9195402 merge of abac2150ee4f4031a98016241fbd136d24fed127
Matt Johnston <matt@ucc.asn.au>
parents: 21
diff changeset
133
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
134 unsigned dataallowed : 1; /* whether we can send data packets or we are in
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
135 the middle of a KEX or something */
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
136
886
cbc73a5aefb0 requirenext doesn't need two values
Matt Johnston <matt@ucc.asn.au>
parents: 883
diff changeset
137 unsigned char requirenext; /* byte indicating what packets we require next,
cbc73a5aefb0 requirenext doesn't need two values
Matt Johnston <matt@ucc.asn.au>
parents: 883
diff changeset
138 or 0x00 for any. */
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
139
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
140 unsigned char ignorenext; /* whether to ignore the next packet,
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
141 used for kex_follows stuff */
34
e2a1eaa19f22 Client mostly works up to password auth
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
142
e2a1eaa19f22 Client mostly works up to password auth
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
143 unsigned char lastpacket; /* What the last received packet type was */
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
144
513
a3748e54273c Idle timeout patch from Farrell Aultman. Needs testing, unsure if server
Matt Johnston <matt@ucc.asn.au>
parents: 502
diff changeset
145 int signal_pipe[2]; /* stores endpoints of a self-pipe used for
416
a01c0c8e543a Improve behaviour when flushing out after a process has exited.
Matt Johnston <matt@ucc.asn.au>
parents: 249
diff changeset
146 race-free signal handling */
454
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 452
diff changeset
147
939
a0819ecfee0b Make -K keepalive behave like OpenSSH's ServerAliveInterval
Matt Johnston <matt@ucc.asn.au>
parents: 928
diff changeset
148 /* time of the last packet send/receive, for keepalive. Not real-world clock */
a0819ecfee0b Make -K keepalive behave like OpenSSH's ServerAliveInterval
Matt Johnston <matt@ucc.asn.au>
parents: 928
diff changeset
149 time_t last_packet_time_keepalive_sent;
a0819ecfee0b Make -K keepalive behave like OpenSSH's ServerAliveInterval
Matt Johnston <matt@ucc.asn.au>
parents: 928
diff changeset
150 time_t last_packet_time_keepalive_recv;
a0819ecfee0b Make -K keepalive behave like OpenSSH's ServerAliveInterval
Matt Johnston <matt@ucc.asn.au>
parents: 928
diff changeset
151 time_t last_packet_time_any_sent;
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
152
939
a0819ecfee0b Make -K keepalive behave like OpenSSH's ServerAliveInterval
Matt Johnston <matt@ucc.asn.au>
parents: 928
diff changeset
153 time_t last_packet_time_idle; /* time of the last packet transmission or receive, for
a0819ecfee0b Make -K keepalive behave like OpenSSH's ServerAliveInterval
Matt Johnston <matt@ucc.asn.au>
parents: 928
diff changeset
154 idle timeout purposes so ignores SSH_MSG_IGNORE
a0819ecfee0b Make -K keepalive behave like OpenSSH's ServerAliveInterval
Matt Johnston <matt@ucc.asn.au>
parents: 928
diff changeset
155 or responses to keepalives. Not real-world clock */
513
a3748e54273c Idle timeout patch from Farrell Aultman. Needs testing, unsure if server
Matt Johnston <matt@ucc.asn.au>
parents: 502
diff changeset
156
a3748e54273c Idle timeout patch from Farrell Aultman. Needs testing, unsure if server
Matt Johnston <matt@ucc.asn.au>
parents: 502
diff changeset
157
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
158 /* KEX/encryption related */
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
159 struct KEXState kexstate;
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
160 struct key_context *keys;
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
161 struct key_context *newkeys;
759
76fba0856749 More changes for KEX and ECDH. Set up hash descriptors, make ECC code work,
Matt Johnston <matt@ucc.asn.au>
parents: 756
diff changeset
162 buffer *session_id; /* this is the hash from the first kex */
76fba0856749 More changes for KEX and ECDH. Set up hash descriptors, make ECC code work,
Matt Johnston <matt@ucc.asn.au>
parents: 756
diff changeset
163 /* The below are used temporarily during kex, are freed after use */
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
164 mp_int * dh_K; /* SSH_MSG_KEXDH_REPLY and sending SSH_MSH_NEWKEYS */
761
ac2158e3e403 ecc kind of works, needs fixing/testing
Matt Johnston <matt@ucc.asn.au>
parents: 759
diff changeset
165 buffer *hash; /* the session hash */
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
166 buffer* kexhashbuf; /* session hash buffer calculated from various packets*/
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
167 buffer* transkexinit; /* the kexinit packet we send should be kept so we
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
168 can add it to the hash when generating keys */
575
f9b5dc0cba61 - Disable compression for non-final multihops
Matt Johnston <matt@ucc.asn.au>
parents: 572
diff changeset
169
f9b5dc0cba61 - Disable compression for non-final multihops
Matt Johnston <matt@ucc.asn.au>
parents: 572
diff changeset
170 /* Enables/disables compression */
f9b5dc0cba61 - Disable compression for non-final multihops
Matt Johnston <matt@ucc.asn.au>
parents: 572
diff changeset
171 algo_type *compress_algos;
452
4cab61369879 Prevent invalid packets being sent during key-exchange, instead queue
Matt Johnston <matt@ucc.asn.au>
parents: 433
diff changeset
172
4cab61369879 Prevent invalid packets being sent during key-exchange, instead queue
Matt Johnston <matt@ucc.asn.au>
parents: 433
diff changeset
173 /* a list of queued replies that should be sent after a KEX has
4cab61369879 Prevent invalid packets being sent during key-exchange, instead queue
Matt Johnston <matt@ucc.asn.au>
parents: 433
diff changeset
174 concluded (ie, while dataallowed was unset)*/
4cab61369879 Prevent invalid packets being sent during key-exchange, instead queue
Matt Johnston <matt@ucc.asn.au>
parents: 433
diff changeset
175 struct packetlist *reply_queue_head, *reply_queue_tail;
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
176
33
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
177 void(*remoteclosed)(); /* A callback to handle closure of the
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
178 remote connection */
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
179
733
70811267715c Run the cleanup handler also when we close due to TCP connection being closed
Matt Johnston <matt@ucc.asn.au>
parents: 727
diff changeset
180 void(*extra_session_cleanup)(); /* client or server specific cleanup */
739
d44325108d0e first_kex_packet_follows working, needs tidying
Matt Johnston <matt@ucc.asn.au>
parents: 722
diff changeset
181 void(*send_kex_first_guess)();
d44325108d0e first_kex_packet_follows working, needs tidying
Matt Johnston <matt@ucc.asn.au>
parents: 722
diff changeset
182
33
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
183 struct AuthState authstate; /* Common amongst client and server, since most
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
184 struct elements are common */
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
185
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
186 /* Channel related */
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
187 struct Channel ** channels; /* these pointers may be null */
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
188 unsigned int chansize; /* the number of Channel*s allocated for channels */
37
0913e2ee3545 we're nearly there yet
Matt Johnston <matt@ucc.asn.au>
parents: 34
diff changeset
189 unsigned int chancount; /* the number of Channel*s in use */
6
ab00ef513e97 Sorted out the first channel init issues.
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
190 const struct ChanType **chantypes; /* The valid channel types */
955
36eacc322e00 Make sure the check_close() handler runs when a server child process exits
Matt Johnston <matt@ucc.asn.au>
parents: 941
diff changeset
191 int channel_signal_pending; /* Flag set by sigchld handler */
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
192
941
5daedffd0769 Set tcp priority as follows:
Matt Johnston <matt@ucc.asn.au>
parents: 940
diff changeset
193 /* TCP priority level for the main "port 22" tcp socket */
5daedffd0769 Set tcp priority as follows:
Matt Johnston <matt@ucc.asn.au>
parents: 940
diff changeset
194 enum dropbear_prio socket_prio;
5daedffd0769 Set tcp priority as follows:
Matt Johnston <matt@ucc.asn.au>
parents: 940
diff changeset
195
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
196 /* TCP forwarding - where manage listeners */
9
7f77962de998 - Reworked non-channel fd handling to listener.c
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
197 struct Listener ** listeners;
7f77962de998 - Reworked non-channel fd handling to listener.c
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
198 unsigned int listensize;
156
8c2b3506f112 Rearrange preprocessor parts so that compilation with various options
Matt Johnston <matt@ucc.asn.au>
parents: 130
diff changeset
199
21
d7cc5b484a2e - Port restriction code back in
Matt Johnston <matt@ucc.asn.au>
parents: 9
diff changeset
200 /* Whether to allow binding to privileged ports (<1024). This doesn't
d7cc5b484a2e - Port restriction code back in
Matt Johnston <matt@ucc.asn.au>
parents: 9
diff changeset
201 * really belong here, but nowhere else fits nicely */
d7cc5b484a2e - Port restriction code back in
Matt Johnston <matt@ucc.asn.au>
parents: 9
diff changeset
202 int allowprivport;
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
203
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
204 };
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
205
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
206 struct serversession {
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
207
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
208 /* Server specific options */
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
209 int childpipe; /* kept open until we successfully authenticate */
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
210 /* userauth */
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
211
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
212 struct ChildPid * childpids; /* array of mappings childpid<->channel */
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
213 unsigned int childpidsize;
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
214
130
154c8d5a6d1e propagate of 82bb923d0154750ef716b66b498561f882891946 and f51a272341ee12268fe7028bc2f2bad66c603069 from branch 'matt.dbclient.work' to 'matt.dbclient.rez'
Matt Johnston <matt@ucc.asn.au>
parents: 108
diff changeset
215 /* Used to avoid a race in the exit returncode handling - see
154c8d5a6d1e propagate of 82bb923d0154750ef716b66b498561f882891946 and f51a272341ee12268fe7028bc2f2bad66c603069 from branch 'matt.dbclient.work' to 'matt.dbclient.rez'
Matt Johnston <matt@ucc.asn.au>
parents: 108
diff changeset
216 * svr-chansession.c for details */
154c8d5a6d1e propagate of 82bb923d0154750ef716b66b498561f882891946 and f51a272341ee12268fe7028bc2f2bad66c603069 from branch 'matt.dbclient.work' to 'matt.dbclient.rez'
Matt Johnston <matt@ucc.asn.au>
parents: 108
diff changeset
217 struct exitinfo lastexit;
154c8d5a6d1e propagate of 82bb923d0154750ef716b66b498561f882891946 and f51a272341ee12268fe7028bc2f2bad66c603069 from branch 'matt.dbclient.work' to 'matt.dbclient.rez'
Matt Johnston <matt@ucc.asn.au>
parents: 108
diff changeset
218
158
364a75cfebab Log the IP along with auth success/fail attempts
Matt Johnston <matt@ucc.asn.au>
parents: 156
diff changeset
219 /* The numeric address they connected from, used for logging */
364a75cfebab Log the IP along with auth success/fail attempts
Matt Johnston <matt@ucc.asn.au>
parents: 156
diff changeset
220 char * addrstring;
364a75cfebab Log the IP along with auth success/fail attempts
Matt Johnston <matt@ucc.asn.au>
parents: 156
diff changeset
221
572
8fd0ac8c8cab Move remotehost into svr_ses structure since we can't look it up
Matt Johnston <matt@ucc.asn.au>
parents: 568
diff changeset
222 /* The resolved remote address, used for lastlog etc */
8fd0ac8c8cab Move remotehost into svr_ses structure since we can't look it up
Matt Johnston <matt@ucc.asn.au>
parents: 568
diff changeset
223 char *remotehost;
8fd0ac8c8cab Move remotehost into svr_ses structure since we can't look it up
Matt Johnston <matt@ucc.asn.au>
parents: 568
diff changeset
224
940
e9dfb6d15193 Fix auth timeout regression
Matt Johnston <matt@ucc.asn.au>
parents: 939
diff changeset
225 time_t connect_time; /* time the connection was established
e9dfb6d15193 Fix auth timeout regression
Matt Johnston <matt@ucc.asn.au>
parents: 939
diff changeset
226 (cleared after auth once we're not
e9dfb6d15193 Fix auth timeout regression
Matt Johnston <matt@ucc.asn.au>
parents: 939
diff changeset
227 respecting AUTH_TIMEOUT any more).
e9dfb6d15193 Fix auth timeout regression
Matt Johnston <matt@ucc.asn.au>
parents: 939
diff changeset
228 A monotonic time, not realworld */
e9dfb6d15193 Fix auth timeout regression
Matt Johnston <matt@ucc.asn.au>
parents: 939
diff changeset
229
667
fc7ae88e63b3 Rename HAVE_FORK to USE_VFORK
Matt Johnston <matt@ucc.asn.au>
parents: 666
diff changeset
230 #ifdef USE_VFORK
553
8711f20b89ab - For uclinux, only cleanup on exit for the main process. This avoids
Matt Johnston <matt@ucc.asn.au>
parents: 534
diff changeset
231 pid_t server_pid;
8711f20b89ab - For uclinux, only cleanup on exit for the main process. This avoids
Matt Johnston <matt@ucc.asn.au>
parents: 534
diff changeset
232 #endif
8711f20b89ab - For uclinux, only cleanup on exit for the main process. This avoids
Matt Johnston <matt@ucc.asn.au>
parents: 534
diff changeset
233
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
234 };
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
235
26
0969767bca0d snapshot of stuff
Matt Johnston <matt@ucc.asn.au>
parents: 24
diff changeset
236 typedef enum {
33
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
237 KEX_NOTHING,
26
0969767bca0d snapshot of stuff
Matt Johnston <matt@ucc.asn.au>
parents: 24
diff changeset
238 KEXINIT_RCVD,
0969767bca0d snapshot of stuff
Matt Johnston <matt@ucc.asn.au>
parents: 24
diff changeset
239 KEXDH_INIT_SENT,
433
c216212001fc Fix for -pedantic -ansi compilation, change // to /**/, plus some signedness
Matt Johnston <matt@ucc.asn.au>
parents: 416
diff changeset
240 KEXDONE
33
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
241 } cli_kex_state;
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
242
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
243 typedef enum {
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
244 STATE_NOTHING,
883
ff597bf2cfb0 DROPBEAR_CLI_AUTH_IMMEDIATE fixed, now enabled by default
Matt Johnston <matt@ucc.asn.au>
parents: 857
diff changeset
245 USERAUTH_WAIT,
33
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
246 USERAUTH_REQ_SENT,
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
247 USERAUTH_FAIL_RCVD,
37
0913e2ee3545 we're nearly there yet
Matt Johnston <matt@ucc.asn.au>
parents: 34
diff changeset
248 USERAUTH_SUCCESS_RCVD,
433
c216212001fc Fix for -pedantic -ansi compilation, change // to /**/, plus some signedness
Matt Johnston <matt@ucc.asn.au>
parents: 416
diff changeset
249 SESSION_RUNNING
26
0969767bca0d snapshot of stuff
Matt Johnston <matt@ucc.asn.au>
parents: 24
diff changeset
250 } cli_state;
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
251
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
252 struct clientsession {
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
253
857
c19acba28590 use oldstyle comments
Matt Johnston <matt@ucc.asn.au>
parents: 848
diff changeset
254 /* XXX - move these to kexstate? */
755
b07eb3dc23ec refactor kexdh code a bit, start working on ecdh etc
Matt Johnston <matt@ucc.asn.au>
parents: 722
diff changeset
255 struct kex_dh_param *dh_param;
b07eb3dc23ec refactor kexdh code a bit, start working on ecdh etc
Matt Johnston <matt@ucc.asn.au>
parents: 722
diff changeset
256 struct kex_ecdh_param *ecdh_param;
848
6c69e7df3621 curve25519
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
257 struct kex_curve25519_param *curve25519_param;
801
7dcb46da72d9 merge in HEAD
Matt Johnston <matt@ucc.asn.au>
parents: 761 775
diff changeset
258 const struct dropbear_kex *param_kex_algo; /* KEX algorithm corresponding to current dh_e and dh_x */
7dcb46da72d9 merge in HEAD
Matt Johnston <matt@ucc.asn.au>
parents: 761 775
diff changeset
259
33
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
260 cli_kex_state kex_state; /* Used for progressing KEX */
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
261 cli_state state; /* Used to progress auth/channelsession etc */
26
0969767bca0d snapshot of stuff
Matt Johnston <matt@ucc.asn.au>
parents: 24
diff changeset
262 unsigned donefirstkex : 1; /* Set when we set sentnewkeys, never reset */
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
263
39
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents: 37
diff changeset
264 int tty_raw_mode; /* Whether we're in raw mode (and have to clean up) */
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents: 37
diff changeset
265 struct termios saved_tio;
93
5dda5a4d475c Don't leave the stdin FD non-blocking on exit - busybox doesn't like it.
Matt Johnston <matt@ucc.asn.au>
parents: 64
diff changeset
266 int stdincopy;
5dda5a4d475c Don't leave the stdin FD non-blocking on exit - busybox doesn't like it.
Matt Johnston <matt@ucc.asn.au>
parents: 64
diff changeset
267 int stdinflags;
175
2c5741e4b855 * Reset the non-blocking status of stdout and stderr as well on exit
Matt Johnston <matt@ucc.asn.au>
parents: 158
diff changeset
268 int stdoutcopy;
2c5741e4b855 * Reset the non-blocking status of stdout and stderr as well on exit
Matt Johnston <matt@ucc.asn.au>
parents: 158
diff changeset
269 int stdoutflags;
2c5741e4b855 * Reset the non-blocking status of stdout and stderr as well on exit
Matt Johnston <matt@ucc.asn.au>
parents: 158
diff changeset
270 int stderrcopy;
2c5741e4b855 * Reset the non-blocking status of stdout and stderr as well on exit
Matt Johnston <matt@ucc.asn.au>
parents: 158
diff changeset
271 int stderrflags;
39
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents: 37
diff changeset
272
722
4a274f47eabd Add ~. and ~^Z handling to exit/suspend dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 715
diff changeset
273 /* for escape char handling */
4a274f47eabd Add ~. and ~^Z handling to exit/suspend dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 715
diff changeset
274 int last_char;
4a274f47eabd Add ~. and ~^Z handling to exit/suspend dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 715
diff changeset
275
41
18eccbfb9641 added window-size change handling
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
276 int winchange; /* Set to 1 when a windowchange signal happens */
18eccbfb9641 added window-size change handling
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
277
45
9ee8996a375f Pubkey auth is mostly there for the client. Something strange with
Matt Johnston <matt@ucc.asn.au>
parents: 43
diff changeset
278 int lastauthtype; /* either AUTH_TYPE_PUBKEY or AUTH_TYPE_PASSWORD,
9ee8996a375f Pubkey auth is mostly there for the client. Something strange with
Matt Johnston <matt@ucc.asn.au>
parents: 43
diff changeset
279 for the last type of auth we tried */
883
ff597bf2cfb0 DROPBEAR_CLI_AUTH_IMMEDIATE fixed, now enabled by default
Matt Johnston <matt@ucc.asn.au>
parents: 857
diff changeset
280 int ignore_next_auth_response;
249
efbaf6b03837 added keyboard-interactive client support
Matt Johnston <matt@ucc.asn.au>
parents: 215
diff changeset
281 #ifdef ENABLE_CLI_INTERACT_AUTH
efbaf6b03837 added keyboard-interactive client support
Matt Johnston <matt@ucc.asn.au>
parents: 215
diff changeset
282 int auth_interact_failed; /* flag whether interactive auth can still
efbaf6b03837 added keyboard-interactive client support
Matt Johnston <matt@ucc.asn.au>
parents: 215
diff changeset
283 be used */
efbaf6b03837 added keyboard-interactive client support
Matt Johnston <matt@ucc.asn.au>
parents: 215
diff changeset
284 int interact_request_received; /* flag whether we've received an
efbaf6b03837 added keyboard-interactive client support
Matt Johnston <matt@ucc.asn.au>
parents: 215
diff changeset
285 info request from the server for
efbaf6b03837 added keyboard-interactive client support
Matt Johnston <matt@ucc.asn.au>
parents: 215
diff changeset
286 interactive auth.*/
686
983a817f8e41 - Only request "none" cipher after auth has succeeded
Matt Johnston <matt@ucc.asn.au>
parents: 667
diff changeset
287
983a817f8e41 - Only request "none" cipher after auth has succeeded
Matt Johnston <matt@ucc.asn.au>
parents: 667
diff changeset
288 int cipher_none_after_auth; /* Set to 1 if the user requested "none"
983a817f8e41 - Only request "none" cipher after auth has succeeded
Matt Johnston <matt@ucc.asn.au>
parents: 667
diff changeset
289 auth */
249
efbaf6b03837 added keyboard-interactive client support
Matt Johnston <matt@ucc.asn.au>
parents: 215
diff changeset
290 #endif
551
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList
Matt Johnston <matt@ucc.asn.au>
parents: 550
diff changeset
291 sign_key *lastprivkey;
108
10f4d3319780 - added circular buffering for channels
Matt Johnston <matt@ucc.asn.au>
parents: 93
diff changeset
292
10f4d3319780 - added circular buffering for channels
Matt Johnston <matt@ucc.asn.au>
parents: 93
diff changeset
293 int retval; /* What the command exit status was - we emulate it */
45
9ee8996a375f Pubkey auth is mostly there for the client. Something strange with
Matt Johnston <matt@ucc.asn.au>
parents: 43
diff changeset
294 #if 0
9ee8996a375f Pubkey auth is mostly there for the client. Something strange with
Matt Johnston <matt@ucc.asn.au>
parents: 43
diff changeset
295 TODO
9ee8996a375f Pubkey auth is mostly there for the client. Something strange with
Matt Johnston <matt@ucc.asn.au>
parents: 43
diff changeset
296 struct AgentkeyList *agentkeys; /* Keys to use for public-key auth */
9ee8996a375f Pubkey auth is mostly there for the client. Something strange with
Matt Johnston <matt@ucc.asn.au>
parents: 43
diff changeset
297 #endif
9ee8996a375f Pubkey auth is mostly there for the client. Something strange with
Matt Johnston <matt@ucc.asn.au>
parents: 43
diff changeset
298
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
299 };
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
300
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
301 /* Global structs storing the state */
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
302 extern struct sshsession ses;
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
303
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
304 #ifdef DROPBEAR_SERVER
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
305 extern struct serversession svr_ses;
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
306 #endif /* DROPBEAR_SERVER */
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
307
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
308 #ifdef DROPBEAR_CLIENT
26
0969767bca0d snapshot of stuff
Matt Johnston <matt@ucc.asn.au>
parents: 24
diff changeset
309 extern struct clientsession cli_ses;
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
310 #endif /* DROPBEAR_CLIENT */
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
311
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
312 #endif /* _SESSION_H_ */