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46c162204b
And I think I have all the bits right from the OpenBSD tree. 20001222 - Updated RCSID for pty.c - (bal) OpenBSD CVS Updates: - markus@cvs.openbsd.org 2000/12/21 15:10:16 [auth-rh-rsa.c hostfile.c hostfile.h sshconnect.c] print keyfile:line for changed hostkeys, for deraadt@, ok deraadt@ - markus@cvs.openbsd.org 2000/12/20 19:26:56 [authfile.c] allow ssh -i userkey for root - markus@cvs.openbsd.org 2000/12/20 19:37:21 [authfd.c authfd.h kex.c sshconnect2.c sshd.c uidswap.c uidswap.h] fix prototypes; from stevesk@pobox.com - markus@cvs.openbsd.org 2000/12/20 19:32:08 [sshd.c] init pointer to NULL; report from Jan.Ivan@cern.ch - markus@cvs.openbsd.org 2000/12/19 23:17:54 [auth-krb4.c auth-options.c auth-options.h auth-rhosts.c auth-rsa.c auth1.c auth2-skey.c auth2.c authfd.c authfd.h authfile.c bufaux.c bufaux.h buffer.c canohost.c channels.c clientloop.c compress.c crc32.c deattack.c getput.h hmac.c hmac.h hostfile.c kex.c kex.h key.c key.h log.c login.c match.c match.h mpaux.c mpaux.h packet.c packet.h radix.c readconf.c rsa.c scp.c servconf.c servconf.h serverloop.c session.c sftp-server.c ssh-agent.c ssh-dss.c ssh-dss.h ssh-keygen.c ssh-keyscan.c ssh-rsa.c ssh-rsa.h ssh.c ssh.h uuencode.c uuencode.h sshconnect1.c sshconnect2.c sshd.c tildexpand.c] replace 'unsigned bla' with 'u_bla' everywhere. also replace 'char unsigned' with u_char.
131 lines
3.5 KiB
C
131 lines
3.5 KiB
C
/*
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* Copyright (c) 2000 Markus Friedl. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef KEX_H
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#define KEX_H
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#define KEX_DH1 "diffie-hellman-group1-sha1"
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#define KEX_DHGEX "diffie-hellman-group-exchange-sha1"
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#define KEX_DSS "ssh-dss"
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enum kex_init_proposals {
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PROPOSAL_KEX_ALGS,
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PROPOSAL_SERVER_HOST_KEY_ALGS,
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PROPOSAL_ENC_ALGS_CTOS,
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PROPOSAL_ENC_ALGS_STOC,
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PROPOSAL_MAC_ALGS_CTOS,
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PROPOSAL_MAC_ALGS_STOC,
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PROPOSAL_COMP_ALGS_CTOS,
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PROPOSAL_COMP_ALGS_STOC,
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PROPOSAL_LANG_CTOS,
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PROPOSAL_LANG_STOC,
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PROPOSAL_MAX
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};
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enum kex_modes {
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MODE_IN,
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MODE_OUT,
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MODE_MAX
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};
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enum kex_exchange {
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DH_GRP1_SHA1,
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DH_GEX_SHA1
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};
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typedef struct Kex Kex;
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typedef struct Mac Mac;
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typedef struct Comp Comp;
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typedef struct Enc Enc;
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struct Enc {
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char *name;
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Cipher *cipher;
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int enabled;
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u_char *key;
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u_char *iv;
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};
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struct Mac {
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char *name;
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int enabled;
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EVP_MD *md;
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int mac_len;
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u_char *key;
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int key_len;
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};
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struct Comp {
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int type;
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int enabled;
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char *name;
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};
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struct Kex {
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Enc enc [MODE_MAX];
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Mac mac [MODE_MAX];
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Comp comp[MODE_MAX];
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int we_need;
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int server;
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char *name;
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int hostkey_type;
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int kex_type;
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};
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Buffer *kex_init(char *myproposal[PROPOSAL_MAX]);
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void
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kex_exchange_kexinit(
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Buffer *my_kexinit, Buffer *peer_kexint,
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char *peer_proposal[PROPOSAL_MAX]);
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Kex *
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kex_choose_conf(char *cprop[PROPOSAL_MAX],
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char *sprop[PROPOSAL_MAX], int server);
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int kex_derive_keys(Kex *k, u_char *hash, BIGNUM *shared_secret);
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void packet_set_kex(Kex *k);
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int dh_pub_is_valid(DH *dh, BIGNUM *dh_pub);
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DH *dh_new_group_asc(const char *, const char *);
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DH *dh_new_group(BIGNUM *, BIGNUM *);
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void dh_gen_key(DH *);
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DH *dh_new_group1(void);
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u_char *
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kex_hash(
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char *client_version_string,
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char *server_version_string,
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char *ckexinit, int ckexinitlen,
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char *skexinit, int skexinitlen,
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char *serverhostkeyblob, int sbloblen,
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BIGNUM *client_dh_pub,
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BIGNUM *server_dh_pub,
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BIGNUM *shared_secret);
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u_char *
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kex_hash_gex(
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char *client_version_string,
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char *server_version_string,
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char *ckexinit, int ckexinitlen,
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char *skexinit, int skexinitlen,
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char *serverhostkeyblob, int sbloblen,
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int minbits, BIGNUM *prime, BIGNUM *gen,
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BIGNUM *client_dh_pub,
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BIGNUM *server_dh_pub,
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BIGNUM *shared_secret);
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#endif
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