dropbear: signkey.c annotate

annotate signkey.c @ 842:7f8f8f2b7a35

Merge

author	Matt Johnston <matt@ucc.asn.au>
date	Fri, 01 Nov 2013 00:14:48 +0800
parents	d4ce5269a439
children	b298bb438625

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 #include "includes.h"
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	26 #include "dbutil.h"
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	27 #include "signkey.h"
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	28 #include "buffer.h"
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	29 #include "ssh.h"
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	30 #include "ecdsa.h"
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	31
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	32 static const char *signkey_names[DROPBEAR_SIGNKEY_NUM_NAMED] = {
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	33 #ifdef DROPBEAR_RSA
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	34 "ssh-rsa",
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	35 #endif
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	36 #ifdef DROPBEAR_DSS
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	37 "ssh-dss",
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	38 #endif
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	39 #ifdef DROPBEAR_ECDSA
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	40 "ecdsa-sha2-nistp256",
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	41 "ecdsa-sha2-nistp384",
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	42 "ecdsa-sha2-nistp521",
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	43 "ecdsa" // for keygen
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	44 #endif // DROPBEAR_ECDSA
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	45 };
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	46
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	47 /* malloc a new sign_key and set the dss and rsa keys to NULL */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	48 sign_key * new_sign_key() {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	49
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	50 sign_key * ret;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	51
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	52 ret = (sign_key*)m_malloc(sizeof(sign_key));
551 c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList Matt Johnston <matt@ucc.asn.au> parents: 436 diff changeset	53 ret->type = DROPBEAR_SIGNKEY_NONE;
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList Matt Johnston <matt@ucc.asn.au> parents: 436 diff changeset	54 ret->source = SIGNKEY_SOURCE_INVALID;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	55 return ret;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	56 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	57
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	58 /* Returns key name corresponding to the type. Exits fatally
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	59 * if the type is invalid */
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	60 const char* signkey_name_from_type(enum signkey_type type, unsigned int *namelen) {
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	61 if (type >= DROPBEAR_SIGNKEY_NUM_NAMED) {
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	62 dropbear_exit("Bad key type %d", type);
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	63 }
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	64
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	65 if (namelen) {
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	66 *namelen = strlen(signkey_names[type]);
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	67 }
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	68 return signkey_names[type];
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	69 }
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	70
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	71 /* Returns DROPBEAR_SIGNKEY_NONE if none match */
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	72 enum signkey_type signkey_type_from_name(const char* name, unsigned int namelen) {
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	73 int i;
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	74 for (i = 0; i < DROPBEAR_SIGNKEY_NUM_NAMED; i++) {
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	75 const char *fixed_name = signkey_names[i];
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	76 if (namelen == strlen(fixed_name)
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	77 && memcmp(fixed_name, name, namelen) == 0) {
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	78
795 7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 794 diff changeset	79 #ifdef DROPBEAR_ECDSA
7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 794 diff changeset	80 /* Some of the ECDSA key sizes are defined even if they're not compiled in */
7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 794 diff changeset	81 if (0
7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 794 diff changeset	82 #ifndef DROPBEAR_ECC_256
7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 794 diff changeset	83 \|\| i == DROPBEAR_SIGNKEY_ECDSA_NISTP256
7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 794 diff changeset	84 #endif
7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 794 diff changeset	85 #ifndef DROPBEAR_ECC_384
7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 794 diff changeset	86 \|\| i == DROPBEAR_SIGNKEY_ECDSA_NISTP384
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	87 #endif
795 7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 794 diff changeset	88 #ifndef DROPBEAR_ECC_521
7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 794 diff changeset	89 \|\| i == DROPBEAR_SIGNKEY_ECDSA_NISTP521
7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 794 diff changeset	90 #endif
7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 794 diff changeset	91 ) {
7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 794 diff changeset	92 TRACE(("attempt to use ecdsa type %d not compiled in", i))
7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 794 diff changeset	93 return DROPBEAR_SIGNKEY_NONE;
7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 794 diff changeset	94 }
7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 794 diff changeset	95 #endif
7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 794 diff changeset	96
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	97 return i;
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	98 }
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	99 }
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	100
551 c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList Matt Johnston <matt@ucc.asn.au> parents: 436 diff changeset	101 TRACE(("signkey_type_from_name unexpected key type."))
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList Matt Johnston <matt@ucc.asn.au> parents: 436 diff changeset	102
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	103 return DROPBEAR_SIGNKEY_NONE;
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	104 }
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	105
841 d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	106 /* Returns a pointer to the key part specific to "type" */
d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	107 void **
d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	108 signkey_key_ptr(sign_key *key, enum signkey_type type) {
d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	109 switch (type) {
d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	110 #ifdef DROPBEAR_ECC_256
807 75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	111 case DROPBEAR_SIGNKEY_ECDSA_NISTP256:
841 d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	112 return (void**)&key->ecckey256;
d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	113 #endif
d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	114 #ifdef DROPBEAR_ECC_384
807 75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	115 case DROPBEAR_SIGNKEY_ECDSA_NISTP384:
841 d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	116 return (void**)&key->ecckey384;
d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	117 #endif
d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	118 #ifdef DROPBEAR_ECC_521
807 75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	119 case DROPBEAR_SIGNKEY_ECDSA_NISTP521:
841 d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	120 return (void**)&key->ecckey521;
d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	121 #endif
d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	122 #ifdef DROPBEAR_RSA
d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	123 case DROPBEAR_SIGNKEY_RSA:
d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	124 return (void**)&key->rsakey;
d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	125 #endif
d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	126 #ifdef DROPBEAR_DSS
d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	127 case DROPBEAR_SIGNKEY_DSS:
d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	128 return (void**)&key->dsskey;
d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	129 #endif
807 75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	130 default:
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	131 return NULL;
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	132 }
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	133 }
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	134
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	135 /* returns DROPBEAR_SUCCESS on success, DROPBEAR_FAILURE on fail.
26 0969767bca0d snapshot of stuff Matt Johnston <matt@ucc.asn.au> parents: 4 diff changeset	136 * type should be set by the caller to specify the type to read, and
0969767bca0d snapshot of stuff Matt Johnston <matt@ucc.asn.au> parents: 4 diff changeset	137 * on return is set to the type read (useful when type = _ANY) */
841 d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	138 int buf_get_pub_key(buffer buf, sign_key key, enum signkey_type *type) {
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	139
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	140 unsigned char* ident;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	141 unsigned int len;
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	142 int keytype;
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	143 int ret = DROPBEAR_FAILURE;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	144
731 9a5438271556 Move the more verbose TRACE() statements into TRACE2() Matt Johnston <matt@ucc.asn.au> parents: 651 diff changeset	145 TRACE2(("enter buf_get_pub_key"))
34 e2a1eaa19f22 Client mostly works up to password auth Matt Johnston <matt@ucc.asn.au> parents: 26 diff changeset	146
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	147 ident = buf_getstring(buf, &len);
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	148 keytype = signkey_type_from_name(ident, len);
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	149 m_free(ident);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	150
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	151 if (type != DROPBEAR_SIGNKEY_ANY && type != keytype) {
651 a48a1f6ab43e - Fix some format strings in TRACE()s Matt Johnston <matt@ucc.asn.au> parents: 594 diff changeset	152 TRACE(("buf_get_pub_key bad type - got %d, expected %d", keytype, *type))
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	153 return DROPBEAR_FAILURE;
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	154 }
551 c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList Matt Johnston <matt@ucc.asn.au> parents: 436 diff changeset	155
731 9a5438271556 Move the more verbose TRACE() statements into TRACE2() Matt Johnston <matt@ucc.asn.au> parents: 651 diff changeset	156 TRACE2(("buf_get_pub_key keytype is %d", keytype))
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	157
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	158 *type = keytype;
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	159
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	160 /* Rewind the buffer back before "ssh-rsa" etc */
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	161 buf_incrpos(buf, -len - 4);
34 e2a1eaa19f22 Client mostly works up to password auth Matt Johnston <matt@ucc.asn.au> parents: 26 diff changeset	162
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	163 #ifdef DROPBEAR_DSS
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	164 if (keytype == DROPBEAR_SIGNKEY_DSS) {
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	165 dss_key_free(key->dsskey);
586 b50f0107e505 Rename rsa_key to dropbear_rsa_key (and same for dss too) so Matt Johnston <matt@ucc.asn.au> parents: 560 diff changeset	166 key->dsskey = m_malloc(sizeof(*key->dsskey));
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	167 ret = buf_get_dss_pub_key(buf, key->dsskey);
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	168 if (ret == DROPBEAR_FAILURE) {
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	169 m_free(key->dsskey);
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	170 }
4 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 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	173 #ifdef DROPBEAR_RSA
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	174 if (keytype == DROPBEAR_SIGNKEY_RSA) {
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	175 rsa_key_free(key->rsakey);
586 b50f0107e505 Rename rsa_key to dropbear_rsa_key (and same for dss too) so Matt Johnston <matt@ucc.asn.au> parents: 560 diff changeset	176 key->rsakey = m_malloc(sizeof(*key->rsakey));
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	177 ret = buf_get_rsa_pub_key(buf, key->rsakey);
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	178 if (ret == DROPBEAR_FAILURE) {
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	179 m_free(key->rsakey);
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	180 }
4 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 #endif
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	183 #ifdef DROPBEAR_ECDSA
807 75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	184 {
841 d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	185 ecc_key eck = (ecc_key)signkey_key_ptr(key, keytype);
807 75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	186 if (eck) {
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	187 if (*eck) {
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	188 ecc_free(*eck);
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	189 *eck = NULL;
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	190 }
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	191 *eck = buf_get_ecdsa_pub_key(buf);
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	192 if (*eck) {
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	193 ret = DROPBEAR_SUCCESS;
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	194 }
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	195 }
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	196 }
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	197 #endif
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	198
731 9a5438271556 Move the more verbose TRACE() statements into TRACE2() Matt Johnston <matt@ucc.asn.au> parents: 651 diff changeset	199 TRACE2(("leave buf_get_pub_key"))
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	200
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	201 return ret;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	202
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
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	205 /* returns DROPBEAR_SUCCESS on success, DROPBEAR_FAILURE on fail.
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	206 * type should be set by the caller to specify the type to read, and
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	207 * on return is set to the type read (useful when type = _ANY) */
841 d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	208 int buf_get_priv_key(buffer buf, sign_key key, enum signkey_type *type) {
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	209
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	210 unsigned char* ident;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	211 unsigned int len;
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	212 int keytype;
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	213 int ret = DROPBEAR_FAILURE;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	214
731 9a5438271556 Move the more verbose TRACE() statements into TRACE2() Matt Johnston <matt@ucc.asn.au> parents: 651 diff changeset	215 TRACE2(("enter buf_get_priv_key"))
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	216
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	217 ident = buf_getstring(buf, &len);
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	218 keytype = signkey_type_from_name(ident, len);
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	219 m_free(ident);
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	220
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	221 if (type != DROPBEAR_SIGNKEY_ANY && type != keytype) {
165 0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place Matt Johnston <matt@ucc.asn.au> parents: 107 diff changeset	222 TRACE(("wrong key type: %d %d", *type, keytype))
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	223 return DROPBEAR_FAILURE;
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	224 }
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	225
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	226 *type = keytype;
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	227
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	228 /* Rewind the buffer back before "ssh-rsa" etc */
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	229 buf_incrpos(buf, -len - 4);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	230
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	231 #ifdef DROPBEAR_DSS
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	232 if (keytype == DROPBEAR_SIGNKEY_DSS) {
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	233 dss_key_free(key->dsskey);
586 b50f0107e505 Rename rsa_key to dropbear_rsa_key (and same for dss too) so Matt Johnston <matt@ucc.asn.au> parents: 560 diff changeset	234 key->dsskey = m_malloc(sizeof(*key->dsskey));
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	235 ret = buf_get_dss_priv_key(buf, key->dsskey);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	236 if (ret == DROPBEAR_FAILURE) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	237 m_free(key->dsskey);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	238 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	239 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	240 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	241 #ifdef DROPBEAR_RSA
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	242 if (keytype == DROPBEAR_SIGNKEY_RSA) {
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	243 rsa_key_free(key->rsakey);
586 b50f0107e505 Rename rsa_key to dropbear_rsa_key (and same for dss too) so Matt Johnston <matt@ucc.asn.au> parents: 560 diff changeset	244 key->rsakey = m_malloc(sizeof(*key->rsakey));
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	245 ret = buf_get_rsa_priv_key(buf, key->rsakey);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	246 if (ret == DROPBEAR_FAILURE) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	247 m_free(key->rsakey);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	248 }
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 #endif
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	251 #ifdef DROPBEAR_ECDSA
807 75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	252 {
841 d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	253 ecc_key eck = (ecc_key)signkey_key_ptr(key, keytype);
807 75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	254 if (eck) {
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	255 if (*eck) {
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	256 ecc_free(*eck);
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	257 *eck = NULL;
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	258 }
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	259 *eck = buf_get_ecdsa_priv_key(buf);
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	260 if (*eck) {
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	261 ret = DROPBEAR_SUCCESS;
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	262 }
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	263 }
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	264 }
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	265 #endif
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	266
731 9a5438271556 Move the more verbose TRACE() statements into TRACE2() Matt Johnston <matt@ucc.asn.au> parents: 651 diff changeset	267 TRACE2(("leave buf_get_priv_key"))
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	268
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	269 return ret;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	270
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	271 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	272
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	273 /* type is either DROPBEAR_SIGNKEY_DSS or DROPBEAR_SIGNKEY_RSA */
841 d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	274 void buf_put_pub_key(buffer* buf, sign_key *key, enum signkey_type type) {
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	275
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	276 buffer *pubkeys;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	277
731 9a5438271556 Move the more verbose TRACE() statements into TRACE2() Matt Johnston <matt@ucc.asn.au> parents: 651 diff changeset	278 TRACE2(("enter buf_put_pub_key"))
70 b0316ce64e4b Merging in the changes from 0.41-0.43 main Dropbear tree Matt Johnston <matt@ucc.asn.au> parents: 51 diff changeset	279 pubkeys = buf_new(MAX_PUBKEY_SIZE);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	280
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	281 #ifdef DROPBEAR_DSS
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	282 if (type == DROPBEAR_SIGNKEY_DSS) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	283 buf_put_dss_pub_key(pubkeys, key->dsskey);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	284 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	285 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	286 #ifdef DROPBEAR_RSA
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	287 if (type == DROPBEAR_SIGNKEY_RSA) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	288 buf_put_rsa_pub_key(pubkeys, key->rsakey);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	289 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	290 #endif
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	291 #ifdef DROPBEAR_ECDSA
841 d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	292 if (type == DROPBEAR_SIGNKEY_ECDSA_NISTP256
d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	293 \|\| type == DROPBEAR_SIGNKEY_ECDSA_NISTP384
d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	294 \|\| type == DROPBEAR_SIGNKEY_ECDSA_NISTP521)
807 75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	295 {
841 d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	296 ecc_key eck = (ecc_key)signkey_key_ptr(key, type);
807 75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	297 if (eck) {
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	298 buf_put_ecdsa_pub_key(pubkeys, *eck);
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	299 }
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	300 }
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	301 #endif
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	302 if (pubkeys->len == 0) {
594 a98a2138364a Improve capitalisation for all logged strings Matt Johnston <matt@ucc.asn.au> parents: 586 diff changeset	303 dropbear_exit("Bad key types in buf_put_pub_key");
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	304 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	305
760 f336d232fc63 Make _sign and _verify functions take a buffer* rather than void* and int Matt Johnston <matt@ucc.asn.au> parents: 651 diff changeset	306 buf_putbufstring(buf, pubkeys);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	307 buf_free(pubkeys);
731 9a5438271556 Move the more verbose TRACE() statements into TRACE2() Matt Johnston <matt@ucc.asn.au> parents: 651 diff changeset	308 TRACE2(("leave buf_put_pub_key"))
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	309 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	310
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	311 /* type is either DROPBEAR_SIGNKEY_DSS or DROPBEAR_SIGNKEY_RSA */
841 d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	312 void buf_put_priv_key(buffer* buf, sign_key *key, enum signkey_type type) {
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	313
165 0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place Matt Johnston <matt@ucc.asn.au> parents: 107 diff changeset	314 TRACE(("enter buf_put_priv_key"))
0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place Matt Johnston <matt@ucc.asn.au> parents: 107 diff changeset	315 TRACE(("type is %d", type))
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	316
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	317 #ifdef DROPBEAR_DSS
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	318 if (type == DROPBEAR_SIGNKEY_DSS) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	319 buf_put_dss_priv_key(buf, key->dsskey);
165 0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place Matt Johnston <matt@ucc.asn.au> parents: 107 diff changeset	320 TRACE(("leave buf_put_priv_key: dss done"))
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	321 return;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	322 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	323 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	324 #ifdef DROPBEAR_RSA
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	325 if (type == DROPBEAR_SIGNKEY_RSA) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	326 buf_put_rsa_priv_key(buf, key->rsakey);
165 0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place Matt Johnston <matt@ucc.asn.au> parents: 107 diff changeset	327 TRACE(("leave buf_put_priv_key: rsa done"))
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	328 return;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	329 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	330 #endif
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	331 #ifdef DROPBEAR_ECDSA
807 75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	332 {
841 d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	333 ecc_key eck = (ecc_key)signkey_key_ptr(key, type);
807 75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	334 if (eck) {
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	335 buf_put_ecdsa_priv_key(buf, *eck);
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	336 TRACE(("leave buf_put_priv_key: ecdsa done"))
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	337 return;
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	338 }
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	339 }
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	340 #endif
594 a98a2138364a Improve capitalisation for all logged strings Matt Johnston <matt@ucc.asn.au> parents: 586 diff changeset	341 dropbear_exit("Bad key types in put pub key");
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	342 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	343
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	344 void sign_key_free(sign_key *key) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	345
731 9a5438271556 Move the more verbose TRACE() statements into TRACE2() Matt Johnston <matt@ucc.asn.au> parents: 651 diff changeset	346 TRACE2(("enter sign_key_free"))
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	347
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	348 #ifdef DROPBEAR_DSS
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	349 dss_key_free(key->dsskey);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	350 key->dsskey = NULL;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	351 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	352 #ifdef DROPBEAR_RSA
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	353 rsa_key_free(key->rsakey);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	354 key->rsakey = NULL;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	355 #endif
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	356 #ifdef DROPBEAR_ECDSA
807 75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	357 if (key->ecckey256) {
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	358 ecc_free(key->ecckey256);
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	359 key->ecckey256 = NULL;
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	360 }
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	361 if (key->ecckey384) {
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	362 ecc_free(key->ecckey384);
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	363 key->ecckey384 = NULL;
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	364 }
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	365 if (key->ecckey521) {
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	366 ecc_free(key->ecckey521);
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	367 key->ecckey521 = NULL;
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	368 }
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	369 #endif
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	370
551 c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList Matt Johnston <matt@ucc.asn.au> parents: 436 diff changeset	371 m_free(key->filename);
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList Matt Johnston <matt@ucc.asn.au> parents: 436 diff changeset	372
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	373 m_free(key);
731 9a5438271556 Move the more verbose TRACE() statements into TRACE2() Matt Johnston <matt@ucc.asn.au> parents: 651 diff changeset	374 TRACE2(("leave sign_key_free"))
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	375 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	376
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	377 static char hexdig(unsigned char x) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	378 if (x > 0xf)
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	379 return 'X';
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	380
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	381 if (x < 10)
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	382 return '0' + x;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	383 else
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	384 return 'a' + x - 10;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	385 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	386
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	387 /* Since we're not sure if we'll have md5 or sha1, we present both.
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	388 * MD5 is used in preference, but sha1 could still be useful */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	389 #ifdef DROPBEAR_MD5_HMAC
51 095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	390 static char * sign_key_md5_fingerprint(unsigned char* keyblob,
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	391 unsigned int keybloblen) {
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	392
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	393 char * ret;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	394 hash_state hs;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	395 unsigned char hash[MD5_HASH_SIZE];
214 5a75f8a21503 Change the format of for loops, gcc4 produces incorrect binaries with Matt Johnston <matt@ucc.asn.au> parents: 165 diff changeset	396 unsigned int i;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	397 unsigned int buflen;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	398
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	399 md5_init(&hs);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	400
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	401 /* skip the size int of the string - this is a bit messy */
51 095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	402 md5_process(&hs, keyblob, keybloblen);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	403
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	404 md5_done(&hs, hash);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	405
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	406 /* "md5 hexfingerprinthere\0", each hex digit is "AB:" etc */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	407 buflen = 4 + 3*MD5_HASH_SIZE;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	408 ret = (char*)m_malloc(buflen);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	409
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	410 memset(ret, 'Z', buflen);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	411 strcpy(ret, "md5 ");
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	412
214 5a75f8a21503 Change the format of for loops, gcc4 produces incorrect binaries with Matt Johnston <matt@ucc.asn.au> parents: 165 diff changeset	413 for (i = 0; i < MD5_HASH_SIZE; i++) {
5a75f8a21503 Change the format of for loops, gcc4 produces incorrect binaries with Matt Johnston <matt@ucc.asn.au> parents: 165 diff changeset	414 unsigned int pos = 4 + i*3;
5a75f8a21503 Change the format of for loops, gcc4 produces incorrect binaries with Matt Johnston <matt@ucc.asn.au> parents: 165 diff changeset	415 ret[pos] = hexdig(hash[i] >> 4);
5a75f8a21503 Change the format of for loops, gcc4 produces incorrect binaries with Matt Johnston <matt@ucc.asn.au> parents: 165 diff changeset	416 ret[pos+1] = hexdig(hash[i] & 0x0f);
5a75f8a21503 Change the format of for loops, gcc4 produces incorrect binaries with Matt Johnston <matt@ucc.asn.au> parents: 165 diff changeset	417 ret[pos+2] = ':';
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	418 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	419 ret[buflen-1] = 0x0;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	420
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	421 return ret;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	422 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	423
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	424 #else /* use SHA1 rather than MD5 for fingerprint */
51 095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	425 static char * sign_key_sha1_fingerprint(unsigned char* keyblob,
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	426 unsigned int keybloblen) {
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	427
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	428 char * ret;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	429 hash_state hs;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	430 unsigned char hash[SHA1_HASH_SIZE];
214 5a75f8a21503 Change the format of for loops, gcc4 produces incorrect binaries with Matt Johnston <matt@ucc.asn.au> parents: 165 diff changeset	431 unsigned int i;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	432 unsigned int buflen;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	433
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	434 sha1_init(&hs);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	435
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	436 /* skip the size int of the string - this is a bit messy */
51 095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	437 sha1_process(&hs, keyblob, keybloblen);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	438
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	439 sha1_done(&hs, hash);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	440
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	441 /* "sha1!! hexfingerprinthere\0", each hex digit is "AB:" etc */
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	442 buflen = 7 + 3*SHA1_HASH_SIZE;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	443 ret = (char*)m_malloc(buflen);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	444
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	445 strcpy(ret, "sha1!! ");
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	446
214 5a75f8a21503 Change the format of for loops, gcc4 produces incorrect binaries with Matt Johnston <matt@ucc.asn.au> parents: 165 diff changeset	447 for (i = 0; i < SHA1_HASH_SIZE; i++) {
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	448 unsigned int pos = 7 + 3*i;
214 5a75f8a21503 Change the format of for loops, gcc4 produces incorrect binaries with Matt Johnston <matt@ucc.asn.au> parents: 165 diff changeset	449 ret[pos] = hexdig(hash[i] >> 4);
5a75f8a21503 Change the format of for loops, gcc4 produces incorrect binaries with Matt Johnston <matt@ucc.asn.au> parents: 165 diff changeset	450 ret[pos+1] = hexdig(hash[i] & 0x0f);
5a75f8a21503 Change the format of for loops, gcc4 produces incorrect binaries with Matt Johnston <matt@ucc.asn.au> parents: 165 diff changeset	451 ret[pos+2] = ':';
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	452 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	453 ret[buflen-1] = 0x0;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	454
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	455 return ret;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	456 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	457
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	458 #endif /* MD5/SHA1 switch */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	459
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	460 /* This will return a freshly malloced string, containing a fingerprint
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	461 * in either sha1 or md5 */
51 095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	462 char * sign_key_fingerprint(unsigned char* keyblob, unsigned int keybloblen) {
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	463
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	464 #ifdef DROPBEAR_MD5_HMAC
51 095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	465 return sign_key_md5_fingerprint(keyblob, keybloblen);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	466 #else
51 095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	467 return sign_key_sha1_fingerprint(keyblob, keybloblen);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	468 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	469 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	470
841 d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	471 void buf_put_sign(buffer* buf, sign_key *key, enum signkey_type type,
760 f336d232fc63 Make _sign and _verify functions take a buffer* rather than void* and int Matt Johnston <matt@ucc.asn.au> parents: 651 diff changeset	472 buffer *data_buf) {
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	473 buffer *sigblob;
70 b0316ce64e4b Merging in the changes from 0.41-0.43 main Dropbear tree Matt Johnston <matt@ucc.asn.au> parents: 51 diff changeset	474 sigblob = buf_new(MAX_PUBKEY_SIZE);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	475
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	476 #ifdef DROPBEAR_DSS
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	477 if (type == DROPBEAR_SIGNKEY_DSS) {
760 f336d232fc63 Make _sign and _verify functions take a buffer* rather than void* and int Matt Johnston <matt@ucc.asn.au> parents: 651 diff changeset	478 buf_put_dss_sign(sigblob, key->dsskey, data_buf);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	479 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	480 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	481 #ifdef DROPBEAR_RSA
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	482 if (type == DROPBEAR_SIGNKEY_RSA) {
760 f336d232fc63 Make _sign and _verify functions take a buffer* rather than void* and int Matt Johnston <matt@ucc.asn.au> parents: 651 diff changeset	483 buf_put_rsa_sign(sigblob, key->rsakey, data_buf);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	484 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	485 #endif
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	486 #ifdef DROPBEAR_ECDSA
807 75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	487 {
841 d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	488 ecc_key eck = (ecc_key)signkey_key_ptr(key, type);
807 75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	489 if (eck) {
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	490 buf_put_ecdsa_sign(sigblob, *eck, data_buf);
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	491 }
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	492 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	493 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	494 if (sigblob->len == 0) {
594 a98a2138364a Improve capitalisation for all logged strings Matt Johnston <matt@ucc.asn.au> parents: 586 diff changeset	495 dropbear_exit("Non-matching signing type");
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	496 }
760 f336d232fc63 Make _sign and _verify functions take a buffer* rather than void* and int Matt Johnston <matt@ucc.asn.au> parents: 651 diff changeset	497 buf_putbufstring(buf, sigblob);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	498 buf_free(sigblob);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	499
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	500 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	501
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	502 #ifdef DROPBEAR_SIGNKEY_VERIFY
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	503 /* Return DROPBEAR_SUCCESS or DROPBEAR_FAILURE.
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	504 * If FAILURE is returned, the position of
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	505 * buf is undefined. If SUCCESS is returned, buf will be positioned after the
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	506 * signature blob */
760 f336d232fc63 Make _sign and _verify functions take a buffer* rather than void* and int Matt Johnston <matt@ucc.asn.au> parents: 651 diff changeset	507 int buf_verify(buffer * buf, sign_key key, buffer data_buf) {
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	508
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	509 unsigned int bloblen;
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	510 unsigned char * type_name = NULL;
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	511 unsigned int type_name_len = 0;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	512
165 0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place Matt Johnston <matt@ucc.asn.au> parents: 107 diff changeset	513 TRACE(("enter buf_verify"))
34 e2a1eaa19f22 Client mostly works up to password auth Matt Johnston <matt@ucc.asn.au> parents: 26 diff changeset	514
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	515 bloblen = buf_getint(buf);
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	516 type_name = buf_getstring(buf, &type_name_len);
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	517 enum signkey_type type = signkey_type_from_name(type_name, type_name_len);
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	518 m_free(type_name);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	519
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	520 #ifdef DROPBEAR_DSS
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	521 if (type == DROPBEAR_SIGNKEY_DSS) {
244 eb7b9f2bb8e8 - add explicit check that correct keytype exists for pubkey verification Matt Johnston <matt@ucc.asn.au> parents: 214 diff changeset	522 if (key->dsskey == NULL) {
594 a98a2138364a Improve capitalisation for all logged strings Matt Johnston <matt@ucc.asn.au> parents: 586 diff changeset	523 dropbear_exit("No DSS key to verify signature");
244 eb7b9f2bb8e8 - add explicit check that correct keytype exists for pubkey verification Matt Johnston <matt@ucc.asn.au> parents: 214 diff changeset	524 }
760 f336d232fc63 Make _sign and _verify functions take a buffer* rather than void* and int Matt Johnston <matt@ucc.asn.au> parents: 651 diff changeset	525 return buf_dss_verify(buf, key->dsskey, data_buf);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	526 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	527 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	528
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	529 #ifdef DROPBEAR_RSA
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	530 if (type == DROPBEAR_SIGNKEY_RSA) {
244 eb7b9f2bb8e8 - add explicit check that correct keytype exists for pubkey verification Matt Johnston <matt@ucc.asn.au> parents: 214 diff changeset	531 if (key->rsakey == NULL) {
594 a98a2138364a Improve capitalisation for all logged strings Matt Johnston <matt@ucc.asn.au> parents: 586 diff changeset	532 dropbear_exit("No RSA key to verify signature");
244 eb7b9f2bb8e8 - add explicit check that correct keytype exists for pubkey verification Matt Johnston <matt@ucc.asn.au> parents: 214 diff changeset	533 }
760 f336d232fc63 Make _sign and _verify functions take a buffer* rather than void* and int Matt Johnston <matt@ucc.asn.au> parents: 651 diff changeset	534 return buf_rsa_verify(buf, key->rsakey, data_buf);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	535 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	536 #endif
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	537 #ifdef DROPBEAR_ECDSA
807 75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	538 {
841 d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	539 ecc_key eck = (ecc_key)signkey_key_ptr(key, type);
807 75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	540 if (eck) {
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	541 return buf_ecdsa_verify(buf, *eck, data_buf);
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	542 }
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	543 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	544 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	545
594 a98a2138364a Improve capitalisation for all logged strings Matt Johnston <matt@ucc.asn.au> parents: 586 diff changeset	546 dropbear_exit("Non-matching signing type");
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	547 return DROPBEAR_FAILURE;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	548 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	549 #endif /* DROPBEAR_SIGNKEY_VERIFY */
51 095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	550
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	551 #ifdef DROPBEAR_KEY_LINES /* ie we're using authorized_keys or known_hosts */
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	552
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	553 /* Returns DROPBEAR_SUCCESS or DROPBEAR_FAILURE when given a buffer containing
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	554 * a key, a key, and a type. The buffer is positioned at the start of the
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	555 * base64 data, and contains no trailing data */
436 7282370416a0 Improve known_hosts checking. Matt Johnston <matt@ucc.asn.au> parents: 244 diff changeset	556 /* If fingerprint is non-NULL, it will be set to a malloc()ed fingerprint
7282370416a0 Improve known_hosts checking. Matt Johnston <matt@ucc.asn.au> parents: 244 diff changeset	557 of the key if it is successfully decoded */
51 095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	558 int cmp_base64_key(const unsigned char* keyblob, unsigned int keybloblen,
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	559 const unsigned char* algoname, unsigned int algolen,
436 7282370416a0 Improve known_hosts checking. Matt Johnston <matt@ucc.asn.au> parents: 244 diff changeset	560 buffer * line, char ** fingerprint) {
51 095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	561
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	562 buffer * decodekey = NULL;
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	563 int ret = DROPBEAR_FAILURE;
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	564 unsigned int len, filealgolen;
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	565 unsigned long decodekeylen;
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	566 unsigned char* filealgo = NULL;
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	567
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	568 /* now we have the actual data */
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	569 len = line->len - line->pos;
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	570 decodekeylen = len * 2; /* big to be safe */
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	571 decodekey = buf_new(decodekeylen);
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	572
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	573 if (base64_decode(buf_getptr(line, len), len,
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	574 buf_getwriteptr(decodekey, decodekey->size),
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	575 &decodekeylen) != CRYPT_OK) {
165 0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place Matt Johnston <matt@ucc.asn.au> parents: 107 diff changeset	576 TRACE(("checkpubkey: base64 decode failed"))
51 095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	577 goto out;
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	578 }
165 0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place Matt Johnston <matt@ucc.asn.au> parents: 107 diff changeset	579 TRACE(("checkpubkey: base64_decode success"))
51 095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	580 buf_incrlen(decodekey, decodekeylen);
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	581
436 7282370416a0 Improve known_hosts checking. Matt Johnston <matt@ucc.asn.au> parents: 244 diff changeset	582 if (fingerprint) {
7282370416a0 Improve known_hosts checking. Matt Johnston <matt@ucc.asn.au> parents: 244 diff changeset	583 *fingerprint = sign_key_fingerprint(buf_getptr(decodekey, decodekeylen),
7282370416a0 Improve known_hosts checking. Matt Johnston <matt@ucc.asn.au> parents: 244 diff changeset	584 decodekeylen);
7282370416a0 Improve known_hosts checking. Matt Johnston <matt@ucc.asn.au> parents: 244 diff changeset	585 }
7282370416a0 Improve known_hosts checking. Matt Johnston <matt@ucc.asn.au> parents: 244 diff changeset	586
51 095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	587 /* compare the keys */
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	588 if ( ( decodekeylen != keybloblen )
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	589 \|\| memcmp( buf_getptr(decodekey, decodekey->len),
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	590 keyblob, decodekey->len) != 0) {
165 0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place Matt Johnston <matt@ucc.asn.au> parents: 107 diff changeset	591 TRACE(("checkpubkey: compare failed"))
51 095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	592 goto out;
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	593 }
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	594
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	595 /* ... and also check that the algo specified and the algo in the key
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	596 * itself match */
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	597 filealgolen = buf_getint(decodekey);
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	598 filealgo = buf_getptr(decodekey, filealgolen);
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	599 if (filealgolen != algolen \|\| memcmp(filealgo, algoname, algolen) != 0) {
165 0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place Matt Johnston <matt@ucc.asn.au> parents: 107 diff changeset	600 TRACE(("checkpubkey: algo match failed"))
51 095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	601 goto out;
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	602 }
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	603
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	604 /* All checks passed */
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	605 ret = DROPBEAR_SUCCESS;
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	606
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	607 out:
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	608 buf_free(decodekey);
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	609 decodekey = NULL;
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	610 return ret;
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	611 }
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	612 #endif

Mercurial > dropbear

annotate signkey.c @ 842:7f8f8f2b7a35