dropbear: session.h annotate

annotate session.h @ 1938:77bc00dcc19f default tip main master

Bump version to 2022.82

author	Matt Johnston <matt@ucc.asn.au>
date	Fri, 01 Apr 2022 14:43:27 +0800
parents	df8d8ec1801c
children

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
1036 deed0571cacc DROPBEAR_ prefix for include guards to avoid collisions Thorsten Horstmann <thorsten.horstmann@web.de> parents: 970 diff changeset	25 #ifndef DROPBEAR_SESSION_H_
deed0571cacc DROPBEAR_ prefix for include guards to avoid collisions Thorsten Horstmann <thorsten.horstmann@web.de> parents: 970 diff changeset	26 #define DROPBEAR_SESSION_H_
4 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"
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	29 #include "buffer.h"
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	30 #include "signkey.h"
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	31 #include "kex.h"
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	32 #include "auth.h"
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	33 #include "channel.h"
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	34 #include "queue.h"
9 7f77962de998 - Reworked non-channel fd handling to listener.c Matt Johnston <matt@ucc.asn.au> parents: 6 diff changeset	35 #include "listener.h"
22 c1e5d9195402 merge of abac2150ee4f4031a98016241fbd136d24fed127 Matt Johnston <matt@ucc.asn.au> parents: 21 diff changeset	36 #include "packet.h"
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 47 diff changeset	37 #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	38 #include "chansession.h"
614 00eca37e47e8 Add noreturn and format attribute hints for some functions. Matt Johnston <matt@ucc.asn.au> parents: 575 diff changeset	39 #include "dbutil.h"
1032 0da8ba489c23 Move generic network routines to netio.c Matt Johnston <matt@ucc.asn.au> parents: 1027 diff changeset	40 #include "netio.h"
1654 cc0fc5131c5c Rename EPKA -> Plugin Matt Johnston <matt@ucc.asn.au> parents: 1653 diff changeset	41 #if DROPBEAR_PLUGIN
1653 76189c9ffea2 External Public-Key Authentication API (#72) fabriziobertocci <fabriziobertocci@gmail.com> parents: 1531 diff changeset	42 #include "pubkeyapi.h"
76189c9ffea2 External Public-Key Authentication API (#72) fabriziobertocci <fabriziobertocci@gmail.com> parents: 1531 diff changeset	43 #endif
1672 3a97f14c0235 Add Chacha20-Poly1305, AES128-GCM and AES256-GCM support (#93) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1654 diff changeset	44 #include "gcm.h"
3a97f14c0235 Add Chacha20-Poly1305, AES128-GCM and AES256-GCM support (#93) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1654 diff changeset	45 #include "chachapoly.h"
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	46
568 005530560594 Rearrange getaddrstring() etc Matt Johnston <matt@ucc.asn.au> parents: 559 diff changeset	47 void common_session_init(int sock_in, int sock_out);
1531 fa733a314bee use a full prototype (#56) François Perrad <francois.perrad@gadz.org> parents: 1515 diff changeset	48 void session_loop(void(*loophandler)(void)) ATTRIB_NORETURN;
1276 9169e4e7cbee fix empty C prototypes Francois Perrad <francois.perrad@gadz.org> parents: 1215 diff changeset	49 void session_cleanup(void);
9169e4e7cbee fix empty C prototypes Francois Perrad <francois.perrad@gadz.org> parents: 1215 diff changeset	50 void send_session_identification(void);
9169e4e7cbee fix empty C prototypes Francois Perrad <francois.perrad@gadz.org> parents: 1215 diff changeset	51 void send_msg_ignore(void);
9169e4e7cbee fix empty C prototypes Francois Perrad <francois.perrad@gadz.org> parents: 1215 diff changeset	52 void ignore_recv_response(void);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	53
1276 9169e4e7cbee fix empty C prototypes Francois Perrad <francois.perrad@gadz.org> parents: 1215 diff changeset	54 void update_channel_prio(void);
941 5daedffd0769 Set tcp priority as follows: Matt Johnston <matt@ucc.asn.au> parents: 940 diff changeset	55
1276 9169e4e7cbee fix empty C prototypes Francois Perrad <francois.perrad@gadz.org> parents: 1215 diff changeset	56 const char* get_user_shell(void);
483 738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc. Matt Johnston <matt@ucc.asn.au> parents: 482 diff changeset	57 void fill_passwd(const char* username);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	58
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	59 /* Server */
1043 38d2f6b2d1b8 Add more ATTRIB_NORETURN annotations, from Thorsten Horstmann Matt Johnston <matt@ucc.asn.au> parents: 1036 diff changeset	60 void svr_session(int sock, int childpipe) ATTRIB_NORETURN;
614 00eca37e47e8 Add noreturn and format attribute hints for some functions. Matt Johnston <matt@ucc.asn.au> parents: 575 diff changeset	61 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	62 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	63
26 0969767bca0d snapshot of stuff Matt Johnston <matt@ucc.asn.au> parents: 24 diff changeset	64 /* Client */
1208 fb58cf341951 Client: kill proxy command when exiting application. Konstantin Tokarev <ktokarev@smartlabs.tv> parents: 1155 diff changeset	65 void cli_session(int sock_in, int sock_out, struct dropbear_progress_connection *progress, pid_t proxy_cmd_pid) ATTRIB_NORETURN;
1025 02baa0b334e8 async connections working Matt Johnston <matt@ucc.asn.au> parents: 1024 diff changeset	66 void cli_connected(int result, int sock, void* userdata, const char *errstring);
1741 d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1683 diff changeset	67 void cli_dropbear_exit(int exitcode, const char* format, va_list param) ATTRIB_NORETURN;
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1683 diff changeset	68 void cli_dropbear_log(int priority, const char* format, va_list param);
1101 94ff5316980f Turn cleantext()'s dirtytext argument into char * Gaël PORTAY <gael.portay@gmail.com> parents: 1074 diff changeset	69 void cleantext(char* dirtytext);
1276 9169e4e7cbee fix empty C prototypes Francois Perrad <francois.perrad@gadz.org> parents: 1215 diff changeset	70 void kill_proxy_command(void);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	71
534 0431915df79f - Get rid of decryptreadbuf, just decrypt in-place with readbuf Matt Johnston <matt@ucc.asn.au> parents: 513 diff changeset	72 /* 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	73 struct key_context_directional {
712 bf0ac0512ef7 Fix "-m none" case and ugly typo Matt Johnston <matt@ucc.asn.au> parents: 686 diff changeset	74 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	75 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	76 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	77 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	78 int algo_comp; /* compression */
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	79 #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	80 z_streamp zstream;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	81 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	82 /* actual keys */
502 43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	83 union {
1673 e0871128e61f CBC mode cleanup (#95) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1672 diff changeset	84 #if DROPBEAR_ENABLE_CBC_MODE
502 43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	85 symmetric_CBC cbc;
1673 e0871128e61f CBC mode cleanup (#95) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1672 diff changeset	86 #endif
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1276 diff changeset	87 #if DROPBEAR_ENABLE_CTR_MODE
502 43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	88 symmetric_CTR ctr;
43bbe17d6ba0 - Add Counter Mode support Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	89 #endif
1672 3a97f14c0235 Add Chacha20-Poly1305, AES128-GCM and AES256-GCM support (#93) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1654 diff changeset	90 #if DROPBEAR_ENABLE_GCM_MODE
3a97f14c0235 Add Chacha20-Poly1305, AES128-GCM and AES256-GCM support (#93) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1654 diff changeset	91 dropbear_gcm_state gcm;
3a97f14c0235 Add Chacha20-Poly1305, AES128-GCM and AES256-GCM support (#93) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1654 diff changeset	92 #endif
3a97f14c0235 Add Chacha20-Poly1305, AES128-GCM and AES256-GCM support (#93) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1654 diff changeset	93 #if DROPBEAR_CHACHA20POLY1305
3a97f14c0235 Add Chacha20-Poly1305, AES128-GCM and AES256-GCM support (#93) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1654 diff changeset	94 dropbear_chachapoly_state chachapoly;
3a97f14c0235 Add Chacha20-Poly1305, AES128-GCM and AES256-GCM support (#93) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1654 diff changeset	95 #endif
534 0431915df79f - Get rid of decryptreadbuf, just decrypt in-place with readbuf Matt Johnston <matt@ucc.asn.au> parents: 513 diff changeset	96 } cipher_state;
715 cd3d3c63d189 Make hmac-sha2-256 and hmac-sha2-512 work Matt Johnston <matt@ucc.asn.au> parents: 712 diff changeset	97 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	98 int valid;
534 0431915df79f - Get rid of decryptreadbuf, just decrypt in-place with readbuf Matt Johnston <matt@ucc.asn.au> parents: 513 diff changeset	99 };
0431915df79f - Get rid of decryptreadbuf, just decrypt in-place with readbuf Matt Johnston <matt@ucc.asn.au> parents: 513 diff changeset	100
0431915df79f - Get rid of decryptreadbuf, just decrypt in-place with readbuf Matt Johnston <matt@ucc.asn.au> parents: 513 diff changeset	101 struct key_context {
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	102
534 0431915df79f - Get rid of decryptreadbuf, just decrypt in-place with readbuf Matt Johnston <matt@ucc.asn.au> parents: 513 diff changeset	103 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	104 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	105
756 bf9dc2d9c2b1 more bits on ecc branch Matt Johnston <matt@ucc.asn.au> parents: 755 diff changeset	106 const struct dropbear_kex *algo_kex;
1675 ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	107 enum signkey_type algo_hostkey; /* server key type */
ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	108 enum signature_type algo_signature; /* server signature type */
534 0431915df79f - Get rid of decryptreadbuf, just decrypt in-place with readbuf Matt Johnston <matt@ucc.asn.au> parents: 513 diff changeset	109
0431915df79f - Get rid of decryptreadbuf, just decrypt in-place with readbuf Matt Johnston <matt@ucc.asn.au> parents: 513 diff changeset	110 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	111 [email protected] delayed compression case) */
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	112 };
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	113
452 4cab61369879 Prevent invalid packets being sent during key-exchange, instead queue Matt Johnston <matt@ucc.asn.au> parents: 433 diff changeset	114 struct packetlist;
4cab61369879 Prevent invalid packets being sent during key-exchange, instead queue Matt Johnston <matt@ucc.asn.au> parents: 433 diff changeset	115 struct packetlist {
4cab61369879 Prevent invalid packets being sent during key-exchange, instead queue Matt Johnston <matt@ucc.asn.au> parents: 433 diff changeset	116 struct packetlist *next;
4cab61369879 Prevent invalid packets being sent during key-exchange, instead queue Matt Johnston <matt@ucc.asn.au> parents: 433 diff changeset	117 buffer * payload;
4cab61369879 Prevent invalid packets being sent during key-exchange, instead queue Matt Johnston <matt@ucc.asn.au> parents: 433 diff changeset	118 };
4cab61369879 Prevent invalid packets being sent during key-exchange, instead queue Matt Johnston <matt@ucc.asn.au> parents: 433 diff changeset	119
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	120 struct sshsession {
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 /* Is it a client or server? */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	123 unsigned char isserver;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	124
1139 43a8ea69b24c Fix problem where auth timeout wasn't checked when waiting for ident Matt Johnston <matt@ucc.asn.au> parents: 1108 diff changeset	125 time_t connect_time; /* time the connection was established
43a8ea69b24c Fix problem where auth timeout wasn't checked when waiting for ident Matt Johnston <matt@ucc.asn.au> parents: 1108 diff changeset	126 (cleared after auth once we're not
43a8ea69b24c Fix problem where auth timeout wasn't checked when waiting for ident Matt Johnston <matt@ucc.asn.au> parents: 1108 diff changeset	127 respecting AUTH_TIMEOUT any more).
43a8ea69b24c Fix problem where auth timeout wasn't checked when waiting for ident Matt Johnston <matt@ucc.asn.au> parents: 1108 diff changeset	128 A monotonic time, not realworld */
43a8ea69b24c Fix problem where auth timeout wasn't checked when waiting for ident Matt Johnston <matt@ucc.asn.au> parents: 1108 diff changeset	129
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	130 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	131 int sock_out;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	132
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	133 /* 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	134 * 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	135 * by the time any recv_() packet methods are called */
1108 2ebf450edc2d Turn sshsession's remoteident attribute into char * Gaël PORTAY <gael.portay@gmail.com> parents: 1101 diff changeset	136 char *remoteident;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	137
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	138 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	139
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	140
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	141 /* Packet buffers/values etc */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	142 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	143 throughout the code, as handlers fill out this
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	144 buffer with the packet to send. */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	145 struct Queue writequeue; /* A queue of encrypted packets to send */
1074 10f198d4a308 Make main socket nonblocking. Limit writequeue size. Matt Johnston <matt@ucc.asn.au> parents: 1059 diff changeset	146 unsigned int writequeue_len; /* Number of bytes pending to send in writequeue */
534 0431915df79f - Get rid of decryptreadbuf, just decrypt in-place with readbuf Matt Johnston <matt@ucc.asn.au> parents: 513 diff changeset	147 buffer readbuf; / From the wire, decrypted in-place */
1059 703c7cdd2577 Fix pubkey auth after change to reuse ses.readbuf as ses.payload Matt Johnston <matt@ucc.asn.au> parents: 1055 diff changeset	148 buffer payload; / Post-decompression, the actual SSH packet.
703c7cdd2577 Fix pubkey auth after change to reuse ses.readbuf as ses.payload Matt Johnston <matt@ucc.asn.au> parents: 1055 diff changeset	149 May have extra data at the beginning, will be
703c7cdd2577 Fix pubkey auth after change to reuse ses.readbuf as ses.payload Matt Johnston <matt@ucc.asn.au> parents: 1055 diff changeset	150 passed to packet processing functions positioned past
703c7cdd2577 Fix pubkey auth after change to reuse ses.readbuf as ses.payload Matt Johnston <matt@ucc.asn.au> parents: 1055 diff changeset	151 that, see payload_beginning */
1055 4d7b4c5526c5 A bit of a bodge to avoid memcpy if zlib is disabled Matt Johnston <matt@ucc.asn.au> parents: 1049 diff changeset	152 unsigned int payload_beginning;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	153 unsigned int transseq, recvseq; /* Sequence IDs */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	154
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	155 /* Packet-handling flags */
22 c1e5d9195402 merge of abac2150ee4f4031a98016241fbd136d24fed127 Matt Johnston <matt@ucc.asn.au> parents: 21 diff changeset	156 const packettype * packettypes; /* Packet handler mappings for this
c1e5d9195402 merge of abac2150ee4f4031a98016241fbd136d24fed127 Matt Johnston <matt@ucc.asn.au> parents: 21 diff changeset	157 session, see process-packet.c */
c1e5d9195402 merge of abac2150ee4f4031a98016241fbd136d24fed127 Matt Johnston <matt@ucc.asn.au> parents: 21 diff changeset	158
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	159 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	160 the middle of a KEX or something */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	161
886 cbc73a5aefb0 requirenext doesn't need two values Matt Johnston <matt@ucc.asn.au> parents: 883 diff changeset	162 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	163 or 0x00 for any. */
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	164
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	165 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	166 used for kex_follows stuff */
34 e2a1eaa19f22 Client mostly works up to password auth Matt Johnston <matt@ucc.asn.au> parents: 33 diff changeset	167
e2a1eaa19f22 Client mostly works up to password auth Matt Johnston <matt@ucc.asn.au> parents: 33 diff changeset	168 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	169
513 a3748e54273c Idle timeout patch from Farrell Aultman. Needs testing, unsure if server Matt Johnston <matt@ucc.asn.au> parents: 502 diff changeset	170 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	171 race-free signal handling */
1495 0c16b4ccbd54 make signal flags volatile, simplify handling Matt Johnston <matt@ucc.asn.au> parents: 1477 diff changeset	172 int channel_signal_pending; /* Flag set when the signal pipe is triggered */
1024 aac0095dc3b4 work in progress for async connect Matt Johnston <matt@ucc.asn.au> parents: 970 diff changeset	173
aac0095dc3b4 work in progress for async connect Matt Johnston <matt@ucc.asn.au> parents: 970 diff changeset	174 m_list conn_pending;
454 7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient Matt Johnston <matt@ucc.asn.au> parents: 452 diff changeset	175
939 a0819ecfee0b Make -K keepalive behave like OpenSSH's ServerAliveInterval Matt Johnston <matt@ucc.asn.au> parents: 928 diff changeset	176 /* 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	177 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	178 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	179 time_t last_packet_time_any_sent;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	180
939 a0819ecfee0b Make -K keepalive behave like OpenSSH's ServerAliveInterval Matt Johnston <matt@ucc.asn.au> parents: 928 diff changeset	181 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	182 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	183 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	184
a3748e54273c Idle timeout patch from Farrell Aultman. Needs testing, unsure if server Matt Johnston <matt@ucc.asn.au> parents: 502 diff changeset	185
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	186 /* KEX/encryption related */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	187 struct KEXState kexstate;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	188 struct key_context *keys;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	189 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	190 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	191 /* 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	192 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	193 buffer hash; / the session hash */
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	194 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	195 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	196 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	197
f9b5dc0cba61 - Disable compression for non-final multihops Matt Johnston <matt@ucc.asn.au> parents: 572 diff changeset	198 /* Enables/disables compression */
f9b5dc0cba61 - Disable compression for non-final multihops Matt Johnston <matt@ucc.asn.au> parents: 572 diff changeset	199 algo_type *compress_algos;
1676 d5cdc60db08e ext-info handling for server-sig-algs Matt Johnston <matt@ucc.asn.au> parents: 1675 diff changeset	200
1681 435cfb9ec96e send and handle SSH_MSG_EXT_INFO only at the correct point Matt Johnston <matt@ucc.asn.au> parents: 1676 diff changeset	201 /* Other side allows SSH_MSG_EXT_INFO. Currently only set for server */
1676 d5cdc60db08e ext-info handling for server-sig-algs Matt Johnston <matt@ucc.asn.au> parents: 1675 diff changeset	202 int allow_ext_info;
452 4cab61369879 Prevent invalid packets being sent during key-exchange, instead queue Matt Johnston <matt@ucc.asn.au> parents: 433 diff changeset	203
4cab61369879 Prevent invalid packets being sent during key-exchange, instead queue Matt Johnston <matt@ucc.asn.au> parents: 433 diff changeset	204 /* 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	205 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	206 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	207
1276 9169e4e7cbee fix empty C prototypes Francois Perrad <francois.perrad@gadz.org> parents: 1215 diff changeset	208 void(remoteclosed)(void); / A callback to handle closure of the
33 f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: 26 diff changeset	209 remote connection */
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: 26 diff changeset	210
1276 9169e4e7cbee fix empty C prototypes Francois Perrad <francois.perrad@gadz.org> parents: 1215 diff changeset	211 void(extra_session_cleanup)(void); / client or server specific cleanup */
9169e4e7cbee fix empty C prototypes Francois Perrad <francois.perrad@gadz.org> parents: 1215 diff changeset	212 void(*send_kex_first_guess)(void);
739 d44325108d0e first_kex_packet_follows working, needs tidying Matt Johnston <matt@ucc.asn.au> parents: 722 diff changeset	213
33 f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: 26 diff changeset	214 struct AuthState authstate; /* Common amongst client and server, since most
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: 26 diff changeset	215 struct elements are common */
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	216
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	217 /* Channel related */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	218 struct Channel ** channels; /* these pointers may be null */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	219 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	220 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	221 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	222
941 5daedffd0769 Set tcp priority as follows: Matt Johnston <matt@ucc.asn.au> parents: 940 diff changeset	223 /* 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	224 enum dropbear_prio socket_prio;
5daedffd0769 Set tcp priority as follows: Matt Johnston <matt@ucc.asn.au> parents: 940 diff changeset	225
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	226 /* 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	227 struct Listener ** listeners;
7f77962de998 - Reworked non-channel fd handling to listener.c Matt Johnston <matt@ucc.asn.au> parents: 6 diff changeset	228 unsigned int listensize;
156 8c2b3506f112 Rearrange preprocessor parts so that compilation with various options Matt Johnston <matt@ucc.asn.au> parents: 130 diff changeset	229
21 d7cc5b484a2e - Port restriction code back in Matt Johnston <matt@ucc.asn.au> parents: 9 diff changeset	230 /* 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	231 * really belong here, but nowhere else fits nicely */
d7cc5b484a2e - Port restriction code back in Matt Johnston <matt@ucc.asn.au> parents: 9 diff changeset	232 int allowprivport;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	233
1495 0c16b4ccbd54 make signal flags volatile, simplify handling Matt Johnston <matt@ucc.asn.au> parents: 1477 diff changeset	234 /* this is set when we get SIGINT or SIGTERM, the handler is in main.c */
0c16b4ccbd54 make signal flags volatile, simplify handling Matt Johnston <matt@ucc.asn.au> parents: 1477 diff changeset	235 volatile int exitflag;
0c16b4ccbd54 make signal flags volatile, simplify handling Matt Johnston <matt@ucc.asn.au> parents: 1477 diff changeset	236 /* set once the ses structure (and cli_ses/svr_ses) have been populated to their initial state */
0c16b4ccbd54 make signal flags volatile, simplify handling Matt Johnston <matt@ucc.asn.au> parents: 1477 diff changeset	237 int init_done;
1653 76189c9ffea2 External Public-Key Authentication API (#72) fabriziobertocci <fabriziobertocci@gmail.com> parents: 1531 diff changeset	238
1654 cc0fc5131c5c Rename EPKA -> Plugin Matt Johnston <matt@ucc.asn.au> parents: 1653 diff changeset	239 #if DROPBEAR_PLUGIN
cc0fc5131c5c Rename EPKA -> Plugin Matt Johnston <matt@ucc.asn.au> parents: 1653 diff changeset	240 struct PluginSession * plugin_session;
1653 76189c9ffea2 External Public-Key Authentication API (#72) fabriziobertocci <fabriziobertocci@gmail.com> parents: 1531 diff changeset	241 #endif
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	242 };
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	243
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	244 struct serversession {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	245
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	246 /* Server specific options */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	247 int childpipe; /* kept open until we successfully authenticate */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	248 /* userauth */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	249
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	250 struct ChildPid * childpids; /* array of mappings childpid<->channel */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	251 unsigned int childpidsize;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	252
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	253 /* 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	254 * 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	255 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	256
158 364a75cfebab Log the IP along with auth success/fail attempts Matt Johnston <matt@ucc.asn.au> parents: 156 diff changeset	257 /* 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	258 char * addrstring;
364a75cfebab Log the IP along with auth success/fail attempts Matt Johnston <matt@ucc.asn.au> parents: 156 diff changeset	259
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	260 /* 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	261 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	262
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1276 diff changeset	263 #if DROPBEAR_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	264 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	265 #endif
8711f20b89ab - For uclinux, only cleanup on exit for the main process. This avoids Matt Johnston <matt@ucc.asn.au> parents: 534 diff changeset	266
1654 cc0fc5131c5c Rename EPKA -> Plugin Matt Johnston <matt@ucc.asn.au> parents: 1653 diff changeset	267 #if DROPBEAR_PLUGIN
1681 435cfb9ec96e send and handle SSH_MSG_EXT_INFO only at the correct point Matt Johnston <matt@ucc.asn.au> parents: 1676 diff changeset	268 /* The shared library handle */
435cfb9ec96e send and handle SSH_MSG_EXT_INFO only at the correct point Matt Johnston <matt@ucc.asn.au> parents: 1676 diff changeset	269 void *plugin_handle;
1653 76189c9ffea2 External Public-Key Authentication API (#72) fabriziobertocci <fabriziobertocci@gmail.com> parents: 1531 diff changeset	270
1681 435cfb9ec96e send and handle SSH_MSG_EXT_INFO only at the correct point Matt Johnston <matt@ucc.asn.au> parents: 1676 diff changeset	271 /* The instance created by the plugin_new function */
435cfb9ec96e send and handle SSH_MSG_EXT_INFO only at the correct point Matt Johnston <matt@ucc.asn.au> parents: 1676 diff changeset	272 struct PluginInstance *plugin_instance;
1653 76189c9ffea2 External Public-Key Authentication API (#72) fabriziobertocci <fabriziobertocci@gmail.com> parents: 1531 diff changeset	273 #endif
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	274 };
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	275
26 0969767bca0d snapshot of stuff Matt Johnston <matt@ucc.asn.au> parents: 24 diff changeset	276 typedef enum {
33 f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: 26 diff changeset	277 KEX_NOTHING,
26 0969767bca0d snapshot of stuff Matt Johnston <matt@ucc.asn.au> parents: 24 diff changeset	278 KEXINIT_RCVD,
0969767bca0d snapshot of stuff Matt Johnston <matt@ucc.asn.au> parents: 24 diff changeset	279 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	280 KEXDONE
33 f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: 26 diff changeset	281 } cli_kex_state;
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: 26 diff changeset	282
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: 26 diff changeset	283 typedef enum {
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: 26 diff changeset	284 STATE_NOTHING,
883 ff597bf2cfb0 DROPBEAR_CLI_AUTH_IMMEDIATE fixed, now enabled by default Matt Johnston <matt@ucc.asn.au> parents: 857 diff changeset	285 USERAUTH_WAIT,
33 f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: 26 diff changeset	286 USERAUTH_REQ_SENT,
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: 26 diff changeset	287 USERAUTH_FAIL_RCVD,
37 0913e2ee3545 we're nearly there yet Matt Johnston <matt@ucc.asn.au> parents: 34 diff changeset	288 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	289 SESSION_RUNNING
26 0969767bca0d snapshot of stuff Matt Johnston <matt@ucc.asn.au> parents: 24 diff changeset	290 } cli_state;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	291
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	292 struct clientsession {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	293
857 c19acba28590 use oldstyle comments Matt Johnston <matt@ucc.asn.au> parents: 848 diff changeset	294 /* 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	295 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	296 struct kex_ecdh_param *ecdh_param;
848 6c69e7df3621 curve25519 Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	297 struct kex_curve25519_param *curve25519_param;
801 7dcb46da72d9 merge in HEAD Matt Johnston <matt@ucc.asn.au> parents: 761 775 diff changeset	298 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	299
33 f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: 26 diff changeset	300 cli_kex_state kex_state; /* Used for progressing KEX */
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: 26 diff changeset	301 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	302
39 0883c0906870 tty raw mode support works mostly Matt Johnston <matt@ucc.asn.au> parents: 37 diff changeset	303 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	304 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	305 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	306 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	307 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	308 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	309 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	310 int stderrflags;
39 0883c0906870 tty raw mode support works mostly Matt Johnston <matt@ucc.asn.au> parents: 37 diff changeset	311
722 4a274f47eabd Add ~. and ~^Z handling to exit/suspend dbclient Matt Johnston <matt@ucc.asn.au> parents: 715 diff changeset	312 /* for escape char handling */
4a274f47eabd Add ~. and ~^Z handling to exit/suspend dbclient Matt Johnston <matt@ucc.asn.au> parents: 715 diff changeset	313 int last_char;
4a274f47eabd Add ~. and ~^Z handling to exit/suspend dbclient Matt Johnston <matt@ucc.asn.au> parents: 715 diff changeset	314
1495 0c16b4ccbd54 make signal flags volatile, simplify handling Matt Johnston <matt@ucc.asn.au> parents: 1477 diff changeset	315 volatile int winchange; /* Set to 1 when a windowchange signal happens */
41 18eccbfb9641 added window-size change handling Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	316
45 9ee8996a375f Pubkey auth is mostly there for the client. Something strange with Matt Johnston <matt@ucc.asn.au> parents: 43 diff changeset	317 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	318 for the last type of auth we tried */
1821 df8d8ec1801c added option to disable trivial auth methods (#128) Manfred Kaiser <37737811+manfred-kaiser@users.noreply.github.com> parents: 1741 diff changeset	319 int is_trivial_auth;
883 ff597bf2cfb0 DROPBEAR_CLI_AUTH_IMMEDIATE fixed, now enabled by default Matt Johnston <matt@ucc.asn.au> parents: 857 diff changeset	320 int ignore_next_auth_response;
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1276 diff changeset	321 #if DROPBEAR_CLI_INTERACT_AUTH
249 efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 215 diff changeset	322 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	323 be used */
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 215 diff changeset	324 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	325 info request from the server for
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 215 diff changeset	326 interactive auth.*/
1155 80b45616e1f3 fix build when ENABLE_CLI_INTERACT_AUTH is disabled Mike Frysinger <vapier@gentoo.org> parents: 1139 diff changeset	327 #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	328 sign_key *lastprivkey;
108 10f4d3319780 - added circular buffering for channels Matt Johnston <matt@ucc.asn.au> parents: 93 diff changeset	329
1676 d5cdc60db08e ext-info handling for server-sig-algs Matt Johnston <matt@ucc.asn.au> parents: 1675 diff changeset	330 buffer *server_sig_algs;
1675 ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	331
108 10f4d3319780 - added circular buffering for channels Matt Johnston <matt@ucc.asn.au> parents: 93 diff changeset	332 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	333 #if 0
9ee8996a375f Pubkey auth is mostly there for the client. Something strange with Matt Johnston <matt@ucc.asn.au> parents: 43 diff changeset	334 TODO
9ee8996a375f Pubkey auth is mostly there for the client. Something strange with Matt Johnston <matt@ucc.asn.au> parents: 43 diff changeset	335 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	336 #endif
9ee8996a375f Pubkey auth is mostly there for the client. Something strange with Matt Johnston <matt@ucc.asn.au> parents: 43 diff changeset	337
1215 d058e15ea213 A few minor style fixes Matt Johnston <matt@ucc.asn.au> parents: 1208 diff changeset	338 pid_t proxy_cmd_pid;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	339 };
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	340
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	341 /* Global structs storing the state */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	342 extern struct sshsession ses;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	343
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1276 diff changeset	344 #if DROPBEAR_SERVER
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	345 extern struct serversession svr_ses;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	346 #endif /* DROPBEAR_SERVER */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	347
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1276 diff changeset	348 #if DROPBEAR_CLIENT
26 0969767bca0d snapshot of stuff Matt Johnston <matt@ucc.asn.au> parents: 24 diff changeset	349 extern struct clientsession cli_ses;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	350 #endif /* DROPBEAR_CLIENT */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	351
1036 deed0571cacc DROPBEAR_ prefix for include guards to avoid collisions Thorsten Horstmann <thorsten.horstmann@web.de> parents: 970 diff changeset	352 #endif /* DROPBEAR_SESSION_H_ */

Mercurial > dropbear

annotate session.h @ 1938:77bc00dcc19f default tip main master