dropbear: session.h annotate

annotate session.h @ 49:cc59bfcdee17

Should be dropbearkey, rather than dropbearmulti, for the default targets

author	Matt Johnston <matt@ucc.asn.au>
date	Sat, 07 Aug 2004 15:50:58 +0000
parents	4b53a43f0082
children	efb5e0b335cf

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"
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	38
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	39 extern int sessinitdone; /* Is set to 0 somewhere */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	40 extern int exitflag;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	41
26 0969767bca0d snapshot of stuff Matt Johnston <matt@ucc.asn.au> parents: 24 diff changeset	42 void common_session_init(int sock, char* remotehost);
0969767bca0d snapshot of stuff Matt Johnston <matt@ucc.asn.au> parents: 24 diff changeset	43 void session_loop(void(*loophandler)());
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	44 void common_session_cleanup();
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	45 void checktimeouts();
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	46 void session_identification();
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	47
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	48
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	49 /* Server */
26 0969767bca0d snapshot of stuff Matt Johnston <matt@ucc.asn.au> parents: 24 diff changeset	50 void svr_session(int sock, int childpipe, char *remotehost);
5 bc6477a6c393 syntactical fixups - it compiles, but channel handling code requires fixing. Matt Johnston <matt@ucc.asn.au> parents: 4 diff changeset	51 void svr_dropbear_exit(int exitcode, 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	52 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	53
26 0969767bca0d snapshot of stuff Matt Johnston <matt@ucc.asn.au> parents: 24 diff changeset	54 /* Client */
0969767bca0d snapshot of stuff Matt Johnston <matt@ucc.asn.au> parents: 24 diff changeset	55 void cli_session(int sock, char *remotehost);
0969767bca0d snapshot of stuff Matt Johnston <matt@ucc.asn.au> parents: 24 diff changeset	56 void cli_dropbear_exit(int exitcode, const char* format, va_list param);
0969767bca0d snapshot of stuff Matt Johnston <matt@ucc.asn.au> parents: 24 diff changeset	57 void cli_dropbear_log(int priority, const char* format, va_list param);
40 b4874d772210 - Added terminal mode handling etc for the client, and window change Matt Johnston <matt@ucc.asn.au> parents: 39 diff changeset	58 void cli_session_cleanup();
43 942b22d7dd1c Banner printing Matt Johnston <matt@ucc.asn.au> parents: 41 diff changeset	59 void cleantext(unsigned char* dirtytext);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	60
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	61 struct key_context {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	62
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	63 const struct dropbear_cipher recv_algo_crypt; / NULL for none */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	64 const struct dropbear_cipher trans_algo_crypt; / NULL for none */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	65 const struct dropbear_hash recv_algo_mac; / NULL for none */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	66 const struct dropbear_hash trans_algo_mac; / NULL for none */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	67 char algo_kex;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	68 char algo_hostkey;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	69
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	70 char recv_algo_comp; /* compression */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	71 char trans_algo_comp;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	72 #ifndef DISABLE_ZLIB
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	73 z_streamp recv_zstream;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	74 z_streamp trans_zstream;
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
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	77 /* actual keys */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	78 symmetric_CBC recv_symmetric_struct;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	79 symmetric_CBC trans_symmetric_struct;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	80 unsigned char recvmackey[MAX_MAC_KEY];
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	81 unsigned char transmackey[MAX_MAC_KEY];
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	82
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	83 };
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	84
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	85 struct sshsession {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	86
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	87 /* Is it a client or server? */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	88 unsigned char isserver;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	89
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	90 long connecttimeout; /* time to disconnect if we have a timeout (for
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	91 userauth etc), or 0 for no timeout */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	92
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	93 int sock;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	94
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	95 unsigned char remotehost; / the peer hostname */
26 0969767bca0d snapshot of stuff Matt Johnston <matt@ucc.asn.au> parents: 24 diff changeset	96
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	97 unsigned char *remoteident;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	98
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	99 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	100
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	101
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	102 /* Packet buffers/values etc */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	103 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	104 throughout the code, as handlers fill out this
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	105 buffer with the packet to send. */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	106 struct Queue writequeue; /* A queue of encrypted packets to send */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	107 buffer readbuf; / Encrypted */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	108 buffer decryptreadbuf; / Post-decryption */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	109 buffer payload; / Post-decompression, the actual SSH packet */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	110 unsigned int transseq, recvseq; /* Sequence IDs */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	111
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	112 /* Packet-handling flags */
22 c1e5d9195402 merge of abac2150ee4f4031a98016241fbd136d24fed127 Matt Johnston <matt@ucc.asn.au> parents: 21 diff changeset	113 const packettype * packettypes; /* Packet handler mappings for this
c1e5d9195402 merge of abac2150ee4f4031a98016241fbd136d24fed127 Matt Johnston <matt@ucc.asn.au> parents: 21 diff changeset	114 session, see process-packet.c */
c1e5d9195402 merge of abac2150ee4f4031a98016241fbd136d24fed127 Matt Johnston <matt@ucc.asn.au> parents: 21 diff changeset	115
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	116 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	117 the middle of a KEX or something */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	118
22 c1e5d9195402 merge of abac2150ee4f4031a98016241fbd136d24fed127 Matt Johnston <matt@ucc.asn.au> parents: 21 diff changeset	119 unsigned char requirenext; /* byte indicating what packet we require next,
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	120 or 0x00 for any */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	121
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	122 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	123 used for kex_follows stuff */
34 e2a1eaa19f22 Client mostly works up to password auth Matt Johnston <matt@ucc.asn.au> parents: 33 diff changeset	124
e2a1eaa19f22 Client mostly works up to password auth Matt Johnston <matt@ucc.asn.au> parents: 33 diff changeset	125 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	126
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	127
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	128
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	129 /* KEX/encryption related */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	130 struct KEXState kexstate;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	131 struct key_context *keys;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	132 struct key_context *newkeys;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	133 unsigned char session_id; / this is the hash from the first kex */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	134 /* The below are used temorarily during kex, are freed after use */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	135 mp_int * dh_K; /* SSH_MSG_KEXDH_REPLY and sending SSH_MSH_NEWKEYS */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	136 unsigned char hash[SHA1_HASH_SIZE]; /* the hash*/
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	137 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	138 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	139 can add it to the hash when generating keys */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	140
33 f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: 26 diff changeset	141 algo_type(buf_match_algo)(buffer*buf, algo_type localalgos[],
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: 26 diff changeset	142 int goodguess); / The function to use to choose which algorithm
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: 26 diff changeset	143 to use from the ones presented by the remote
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: 26 diff changeset	144 side. Is specific to the client/server mode,
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: 26 diff changeset	145 hence the function-pointer callback.*/
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	146
33 f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: 26 diff changeset	147 void(remoteclosed)(); / A callback to handle closure of the
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: 26 diff changeset	148 remote connection */
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: 26 diff changeset	149
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: 26 diff changeset	150
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: 26 diff changeset	151 struct AuthState authstate; /* Common amongst client and server, since most
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: 26 diff changeset	152 struct elements are common */
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	153
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	154 /* Channel related */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	155 struct Channel ** channels; /* these pointers may be null */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	156 unsigned int chansize; /* the number of Channels allocated for channels /
37 0913e2ee3545 we're nearly there yet Matt Johnston <matt@ucc.asn.au> parents: 34 diff changeset	157 unsigned int chancount; /* the number of Channels in use /
6 ab00ef513e97 Sorted out the first channel init issues. Matt Johnston <matt@ucc.asn.au> parents: 5 diff changeset	158 const struct ChanType *chantypes; / The valid channel types */
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	159
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	160
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	161 /* TCP forwarding - where manage listeners */
21 d7cc5b484a2e - Port restriction code back in Matt Johnston <matt@ucc.asn.au> parents: 9 diff changeset	162 #ifdef USING_LISTENERS
9 7f77962de998 - Reworked non-channel fd handling to listener.c Matt Johnston <matt@ucc.asn.au> parents: 6 diff changeset	163 struct Listener ** listeners;
7f77962de998 - Reworked non-channel fd handling to listener.c Matt Johnston <matt@ucc.asn.au> parents: 6 diff changeset	164 unsigned int listensize;
21 d7cc5b484a2e - Port restriction code back in Matt Johnston <matt@ucc.asn.au> parents: 9 diff changeset	165 /* 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	166 * really belong here, but nowhere else fits nicely */
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	167 #endif
21 d7cc5b484a2e - Port restriction code back in Matt Johnston <matt@ucc.asn.au> parents: 9 diff changeset	168 int allowprivport;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	169
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	170 };
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	171
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	172 struct serversession {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	173
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	174 /* Server specific options */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	175 int childpipe; /* kept open until we successfully authenticate */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	176 /* userauth */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	177
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	178 struct ChildPid * childpids; /* array of mappings childpid<->channel */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	179 unsigned int childpidsize;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	180
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	181 };
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	182
26 0969767bca0d snapshot of stuff Matt Johnston <matt@ucc.asn.au> parents: 24 diff changeset	183 typedef enum {
33 f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: 26 diff changeset	184 KEX_NOTHING,
26 0969767bca0d snapshot of stuff Matt Johnston <matt@ucc.asn.au> parents: 24 diff changeset	185 KEXINIT_RCVD,
0969767bca0d snapshot of stuff Matt Johnston <matt@ucc.asn.au> parents: 24 diff changeset	186 KEXDH_INIT_SENT,
33 f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: 26 diff changeset	187 KEXDONE,
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: 26 diff changeset	188
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: 26 diff changeset	189 } cli_kex_state;
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: 26 diff changeset	190
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: 26 diff changeset	191 typedef enum {
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: 26 diff changeset	192 STATE_NOTHING,
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: 26 diff changeset	193 SERVICE_AUTH_REQ_SENT,
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: 26 diff changeset	194 SERVICE_AUTH_ACCEPT_RCVD,
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: 26 diff changeset	195 SERVICE_CONN_REQ_SENT,
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: 26 diff changeset	196 SERVICE_CONN_ACCEPT_RCVD,
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: 26 diff changeset	197 USERAUTH_REQ_SENT,
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: 26 diff changeset	198 USERAUTH_FAIL_RCVD,
37 0913e2ee3545 we're nearly there yet Matt Johnston <matt@ucc.asn.au> parents: 34 diff changeset	199 USERAUTH_SUCCESS_RCVD,
0913e2ee3545 we're nearly there yet Matt Johnston <matt@ucc.asn.au> parents: 34 diff changeset	200 SESSION_RUNNING,
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	201
26 0969767bca0d snapshot of stuff Matt Johnston <matt@ucc.asn.au> parents: 24 diff changeset	202 } cli_state;
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 struct clientsession {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	205
26 0969767bca0d snapshot of stuff Matt Johnston <matt@ucc.asn.au> parents: 24 diff changeset	206 mp_int dh_e, dh_x; /* Used during KEX */
33 f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: 26 diff changeset	207 cli_kex_state kex_state; /* Used for progressing KEX */
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: 26 diff changeset	208 cli_state state; /* Used to progress auth/channelsession etc */
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	209 int something; /* XXX */
26 0969767bca0d snapshot of stuff Matt Johnston <matt@ucc.asn.au> parents: 24 diff changeset	210 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	211
39 0883c0906870 tty raw mode support works mostly Matt Johnston <matt@ucc.asn.au> parents: 37 diff changeset	212 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	213 struct termios saved_tio;
0883c0906870 tty raw mode support works mostly Matt Johnston <matt@ucc.asn.au> parents: 37 diff changeset	214
41 18eccbfb9641 added window-size change handling Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	215 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	216
45 9ee8996a375f Pubkey auth is mostly there for the client. Something strange with Matt Johnston <matt@ucc.asn.au> parents: 43 diff changeset	217 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	218 for the last type of auth we tried */
9ee8996a375f Pubkey auth is mostly there for the client. Something strange with Matt Johnston <matt@ucc.asn.au> parents: 43 diff changeset	219 struct PubkeyList *lastpubkey;
9ee8996a375f Pubkey auth is mostly there for the client. Something strange with Matt Johnston <matt@ucc.asn.au> parents: 43 diff changeset	220 #if 0
9ee8996a375f Pubkey auth is mostly there for the client. Something strange with Matt Johnston <matt@ucc.asn.au> parents: 43 diff changeset	221 TODO
9ee8996a375f Pubkey auth is mostly there for the client. Something strange with Matt Johnston <matt@ucc.asn.au> parents: 43 diff changeset	222 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	223 #endif
9ee8996a375f Pubkey auth is mostly there for the client. Something strange with Matt Johnston <matt@ucc.asn.au> parents: 43 diff changeset	224
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	225 };
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	226
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	227 /* Global structs storing the state */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	228 extern struct sshsession ses;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	229
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	230 #ifdef DROPBEAR_SERVER
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	231 extern struct serversession svr_ses;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	232 #endif /* DROPBEAR_SERVER */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	233
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	234 #ifdef DROPBEAR_CLIENT
26 0969767bca0d snapshot of stuff Matt Johnston <matt@ucc.asn.au> parents: 24 diff changeset	235 extern struct clientsession cli_ses;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	236 #endif /* DROPBEAR_CLIENT */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	237
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	238 #endif /* _SESSION_H_ */

Mercurial > dropbear

annotate session.h @ 49:cc59bfcdee17