dropbear: signkey.c annotate

annotate signkey.c @ 1422:4cebe907dfd0

limit input size

author	Matt Johnston <matt@ucc.asn.au>
date	Thu, 25 May 2017 22:21:23 +0800
parents	c721e8c42d2a
children	798854f62430 c1c3d5943bfc

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
1273 139935236c72 const variables Francois Perrad <francois.perrad@gadz.org> parents: 1249 diff changeset	32 static const char * const signkey_names[DROPBEAR_SIGNKEY_NUM_NAMED] = {
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	33 #if DROPBEAR_RSA
794 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
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	36 #if DROPBEAR_DSS
794 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
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	39 #if DROPBEAR_ECDSA
794 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",
852 7540c0822374 Various cleanups and fixes for warnings Matt Johnston <matt@ucc.asn.au> parents: 847 diff changeset	42 "ecdsa-sha2-nistp521"
857 c19acba28590 use oldstyle comments Matt Johnston <matt@ucc.asn.au> parents: 855 diff changeset	43 #endif /* DROPBEAR_ECDSA */
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	44 };
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	45
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	46 /* 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	47 sign_key * new_sign_key() {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	48
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	49 sign_key * ret;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	50
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	51 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	52 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	53 ret->source = SIGNKEY_SOURCE_INVALID;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	54 return ret;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	55 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	56
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	57 /* Returns key name corresponding to the type. Exits fatally
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	58 * if the type is invalid */
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	59 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	60 if (type >= DROPBEAR_SIGNKEY_NUM_NAMED) {
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	61 dropbear_exit("Bad key type %d", type);
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	62 }
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	63
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	64 if (namelen) {
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	65 *namelen = strlen(signkey_names[type]);
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	66 }
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	67 return signkey_names[type];
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	68 }
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	69
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	70 /* Returns DROPBEAR_SIGNKEY_NONE if none match */
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	71 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	72 int i;
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	73 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	74 const char *fixed_name = signkey_names[i];
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	75 if (namelen == strlen(fixed_name)
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	76 && memcmp(fixed_name, name, namelen) == 0) {
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	77
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	78 #if DROPBEAR_ECDSA
795 7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 794 diff changeset	79 /* 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	80 if (0
7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 794 diff changeset	81 #ifndef DROPBEAR_ECC_256
7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 794 diff changeset	82 \|\| i == DROPBEAR_SIGNKEY_ECDSA_NISTP256
7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 794 diff changeset	83 #endif
7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 794 diff changeset	84 #ifndef DROPBEAR_ECC_384
7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 794 diff changeset	85 \|\| i == DROPBEAR_SIGNKEY_ECDSA_NISTP384
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	86 #endif
795 7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 794 diff changeset	87 #ifndef DROPBEAR_ECC_521
7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 794 diff changeset	88 \|\| i == DROPBEAR_SIGNKEY_ECDSA_NISTP521
7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 794 diff changeset	89 #endif
7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 794 diff changeset	90 ) {
7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 794 diff changeset	91 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	92 return DROPBEAR_SIGNKEY_NONE;
7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 794 diff changeset	93 }
7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 794 diff changeset	94 #endif
7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 794 diff changeset	95
1255 55d485943eb0 cast return type to enum Matt Johnston <matt@ucc.asn.au> parents: 1249 diff changeset	96 return (enum signkey_type)i;
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	97 }
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	98 }
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	99
551 c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList Matt Johnston <matt@ucc.asn.au> parents: 436 diff changeset	100 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	101
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	102 return DROPBEAR_SIGNKEY_NONE;
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	103 }
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	104
841 d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	105 /* 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	106 void **
d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	107 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	108 switch (type) {
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	109 #if DROPBEAR_ECDSA
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	110 #if 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
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	114 #if 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
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	118 #if 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
935 25692c60479e Fix compiling with ECDSA and DSS disabled Matt Johnston <matt@ucc.asn.au> parents: 864 diff changeset	122 #endif /* DROPBEAR_ECDSA */
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	123 #if DROPBEAR_RSA
841 d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	124 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	125 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	126 #endif
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	127 #if DROPBEAR_DSS
841 d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	128 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	129 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	130 #endif
807 75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	131 default:
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	132 return NULL;
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 }
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	135
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	136 /* returns DROPBEAR_SUCCESS on success, DROPBEAR_FAILURE on fail.
26 0969767bca0d snapshot of stuff Matt Johnston <matt@ucc.asn.au> parents: 4 diff changeset	137 * 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	138 * 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	139 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	140
1094 c45d65392c1a Fix pointer differ in signess warnings [-Werror=pointer-sign] Gaël PORTAY <gael.portay@gmail.com> parents: 1058 diff changeset	141 char *ident;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	142 unsigned int len;
1032 0da8ba489c23 Move generic network routines to netio.c Matt Johnston <matt@ucc.asn.au> parents: 935 diff changeset	143 enum signkey_type keytype;
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	144 int ret = DROPBEAR_FAILURE;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	145
731 9a5438271556 Move the more verbose TRACE() statements into TRACE2() Matt Johnston <matt@ucc.asn.au> parents: 651 diff changeset	146 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	147
1122 aaf576b27a10 Merge pull request #13 from gazoo74/fix-warnings Matt Johnston <matt@ucc.asn.au> parents: 1094 diff changeset	148 ident = buf_getstring(buf, &len);
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	149 keytype = signkey_type_from_name(ident, len);
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	150 m_free(ident);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	151
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	152 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	153 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	154 return DROPBEAR_FAILURE;
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	155 }
551 c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList Matt Johnston <matt@ucc.asn.au> parents: 436 diff changeset	156
731 9a5438271556 Move the more verbose TRACE() statements into TRACE2() Matt Johnston <matt@ucc.asn.au> parents: 651 diff changeset	157 TRACE2(("buf_get_pub_key keytype is %d", keytype))
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	158
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	159 *type = keytype;
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	160
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	161 /* Rewind the buffer back before "ssh-rsa" etc */
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	162 buf_incrpos(buf, -len - 4);
34 e2a1eaa19f22 Client mostly works up to password auth Matt Johnston <matt@ucc.asn.au> parents: 26 diff changeset	163
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	164 #if DROPBEAR_DSS
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	165 if (keytype == DROPBEAR_SIGNKEY_DSS) {
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	166 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	167 key->dsskey = m_malloc(sizeof(*key->dsskey));
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	168 ret = buf_get_dss_pub_key(buf, key->dsskey);
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	169 if (ret == DROPBEAR_FAILURE) {
1409 c721e8c42d2a add m_mp_free_multi, be more careful freeing when failing to load keys Matt Johnston <matt@ucc.asn.au> parents: 1295 diff changeset	170 dss_key_free(key->dsskey);
c721e8c42d2a add m_mp_free_multi, be more careful freeing when failing to load keys Matt Johnston <matt@ucc.asn.au> parents: 1295 diff changeset	171 key->dsskey = NULL;
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	172 }
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	173 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	174 #endif
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	175 #if DROPBEAR_RSA
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	176 if (keytype == DROPBEAR_SIGNKEY_RSA) {
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	177 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	178 key->rsakey = m_malloc(sizeof(*key->rsakey));
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	179 ret = buf_get_rsa_pub_key(buf, key->rsakey);
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	180 if (ret == DROPBEAR_FAILURE) {
1409 c721e8c42d2a add m_mp_free_multi, be more careful freeing when failing to load keys Matt Johnston <matt@ucc.asn.au> parents: 1295 diff changeset	181 rsa_key_free(key->rsakey);
c721e8c42d2a add m_mp_free_multi, be more careful freeing when failing to load keys Matt Johnston <matt@ucc.asn.au> parents: 1295 diff changeset	182 key->rsakey = NULL;
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	183 }
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	184 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	185 #endif
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	186 #if DROPBEAR_ECDSA
846 b298bb438625 refactor key generation, make it generate as required. Matt Johnston <matt@ucc.asn.au> parents: 841 diff changeset	187 if (signkey_is_ecdsa(keytype)) {
841 d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	188 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	189 if (eck) {
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	190 if (*eck) {
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	191 ecc_free(*eck);
1058 063c38ea622b Fix some memory leaks in ecc code Matt Johnston <matt@ucc.asn.au> parents: 1032 diff changeset	192 m_free(*eck);
807 75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	193 *eck = NULL;
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	194 }
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	195 *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	196 if (*eck) {
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	197 ret = DROPBEAR_SUCCESS;
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	198 }
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	199 }
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	200 }
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	201 #endif
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	202
731 9a5438271556 Move the more verbose TRACE() statements into TRACE2() Matt Johnston <matt@ucc.asn.au> parents: 651 diff changeset	203 TRACE2(("leave buf_get_pub_key"))
4 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 return ret;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	206 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	207
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	208 /* returns DROPBEAR_SUCCESS on success, DROPBEAR_FAILURE on fail.
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	209 * 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	210 * 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	211 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	212
1094 c45d65392c1a Fix pointer differ in signess warnings [-Werror=pointer-sign] Gaël PORTAY <gael.portay@gmail.com> parents: 1058 diff changeset	213 char *ident;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	214 unsigned int len;
1032 0da8ba489c23 Move generic network routines to netio.c Matt Johnston <matt@ucc.asn.au> parents: 935 diff changeset	215 enum signkey_type keytype;
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	216 int ret = DROPBEAR_FAILURE;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	217
731 9a5438271556 Move the more verbose TRACE() statements into TRACE2() Matt Johnston <matt@ucc.asn.au> parents: 651 diff changeset	218 TRACE2(("enter buf_get_priv_key"))
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	219
1122 aaf576b27a10 Merge pull request #13 from gazoo74/fix-warnings Matt Johnston <matt@ucc.asn.au> parents: 1094 diff changeset	220 ident = buf_getstring(buf, &len);
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	221 keytype = signkey_type_from_name(ident, len);
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	222 m_free(ident);
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	223
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	224 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	225 TRACE(("wrong key type: %d %d", *type, keytype))
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	226 return DROPBEAR_FAILURE;
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
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	229 *type = keytype;
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	230
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	231 /* Rewind the buffer back before "ssh-rsa" etc */
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	232 buf_incrpos(buf, -len - 4);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	233
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	234 #if DROPBEAR_DSS
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	235 if (keytype == DROPBEAR_SIGNKEY_DSS) {
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	236 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	237 key->dsskey = m_malloc(sizeof(*key->dsskey));
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	238 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	239 if (ret == DROPBEAR_FAILURE) {
1409 c721e8c42d2a add m_mp_free_multi, be more careful freeing when failing to load keys Matt Johnston <matt@ucc.asn.au> parents: 1295 diff changeset	240 dss_key_free(key->dsskey);
c721e8c42d2a add m_mp_free_multi, be more careful freeing when failing to load keys Matt Johnston <matt@ucc.asn.au> parents: 1295 diff changeset	241 key->dsskey = NULL;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	242 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	243 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	244 #endif
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	245 #if DROPBEAR_RSA
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	246 if (keytype == DROPBEAR_SIGNKEY_RSA) {
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	247 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	248 key->rsakey = m_malloc(sizeof(*key->rsakey));
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	249 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	250 if (ret == DROPBEAR_FAILURE) {
1409 c721e8c42d2a add m_mp_free_multi, be more careful freeing when failing to load keys Matt Johnston <matt@ucc.asn.au> parents: 1295 diff changeset	251 rsa_key_free(key->rsakey);
c721e8c42d2a add m_mp_free_multi, be more careful freeing when failing to load keys Matt Johnston <matt@ucc.asn.au> parents: 1295 diff changeset	252 key->rsakey = NULL;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	253 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	254 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	255 #endif
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	256 #if DROPBEAR_ECDSA
846 b298bb438625 refactor key generation, make it generate as required. Matt Johnston <matt@ucc.asn.au> parents: 841 diff changeset	257 if (signkey_is_ecdsa(keytype)) {
841 d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	258 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	259 if (eck) {
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 ecc_free(*eck);
1058 063c38ea622b Fix some memory leaks in ecc code Matt Johnston <matt@ucc.asn.au> parents: 1032 diff changeset	262 m_free(*eck);
807 75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	263 *eck = NULL;
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	264 }
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	265 *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	266 if (*eck) {
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	267 ret = DROPBEAR_SUCCESS;
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	268 }
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	269 }
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	270 }
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	271 #endif
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	272
731 9a5438271556 Move the more verbose TRACE() statements into TRACE2() Matt Johnston <matt@ucc.asn.au> parents: 651 diff changeset	273 TRACE2(("leave buf_get_priv_key"))
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	274
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	275 return ret;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	276
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	277 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	278
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	279 /* 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	280 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	281
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	282 buffer *pubkeys;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	283
731 9a5438271556 Move the more verbose TRACE() statements into TRACE2() Matt Johnston <matt@ucc.asn.au> parents: 651 diff changeset	284 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	285 pubkeys = buf_new(MAX_PUBKEY_SIZE);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	286
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	287 #if DROPBEAR_DSS
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	288 if (type == DROPBEAR_SIGNKEY_DSS) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	289 buf_put_dss_pub_key(pubkeys, key->dsskey);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	290 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	291 #endif
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	292 #if DROPBEAR_RSA
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	293 if (type == DROPBEAR_SIGNKEY_RSA) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	294 buf_put_rsa_pub_key(pubkeys, key->rsakey);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	295 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	296 #endif
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	297 #if DROPBEAR_ECDSA
846 b298bb438625 refactor key generation, make it generate as required. Matt Johnston <matt@ucc.asn.au> parents: 841 diff changeset	298 if (signkey_is_ecdsa(type)) {
841 d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	299 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	300 if (eck) {
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	301 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	302 }
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	303 }
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	304 #endif
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	305 if (pubkeys->len == 0) {
594 a98a2138364a Improve capitalisation for all logged strings Matt Johnston <matt@ucc.asn.au> parents: 586 diff changeset	306 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	307 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	308
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	309 buf_putbufstring(buf, pubkeys);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	310 buf_free(pubkeys);
731 9a5438271556 Move the more verbose TRACE() statements into TRACE2() Matt Johnston <matt@ucc.asn.au> parents: 651 diff changeset	311 TRACE2(("leave buf_put_pub_key"))
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	312 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	313
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	314 /* 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	315 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	316
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	317 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	318 TRACE(("type is %d", type))
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	319
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	320 #if DROPBEAR_DSS
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	321 if (type == DROPBEAR_SIGNKEY_DSS) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	322 buf_put_dss_priv_key(buf, key->dsskey);
1249 c6346c63281b refactor indentation with hard tab Francois Perrad <francois.perrad@gadz.org> parents: 1122 diff changeset	323 TRACE(("leave buf_put_priv_key: dss done"))
c6346c63281b refactor indentation with hard tab Francois Perrad <francois.perrad@gadz.org> parents: 1122 diff changeset	324 return;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	325 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	326 #endif
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	327 #if DROPBEAR_RSA
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	328 if (type == DROPBEAR_SIGNKEY_RSA) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	329 buf_put_rsa_priv_key(buf, key->rsakey);
1249 c6346c63281b refactor indentation with hard tab Francois Perrad <francois.perrad@gadz.org> parents: 1122 diff changeset	330 TRACE(("leave buf_put_priv_key: rsa done"))
c6346c63281b refactor indentation with hard tab Francois Perrad <francois.perrad@gadz.org> parents: 1122 diff changeset	331 return;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	332 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	333 #endif
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	334 #if DROPBEAR_ECDSA
846 b298bb438625 refactor key generation, make it generate as required. Matt Johnston <matt@ucc.asn.au> parents: 841 diff changeset	335 if (signkey_is_ecdsa(type)) {
841 d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	336 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	337 if (eck) {
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	338 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	339 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	340 return;
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	341 }
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	342 }
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	343 #endif
594 a98a2138364a Improve capitalisation for all logged strings Matt Johnston <matt@ucc.asn.au> parents: 586 diff changeset	344 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	345 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	346
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	347 void sign_key_free(sign_key *key) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	348
731 9a5438271556 Move the more verbose TRACE() statements into TRACE2() Matt Johnston <matt@ucc.asn.au> parents: 651 diff changeset	349 TRACE2(("enter sign_key_free"))
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	350
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	351 #if DROPBEAR_DSS
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	352 dss_key_free(key->dsskey);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	353 key->dsskey = NULL;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	354 #endif
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	355 #if DROPBEAR_RSA
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	356 rsa_key_free(key->rsakey);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	357 key->rsakey = NULL;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	358 #endif
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	359 #if DROPBEAR_ECDSA
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	360 #if DROPBEAR_ECC_256
807 75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	361 if (key->ecckey256) {
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	362 ecc_free(key->ecckey256);
1058 063c38ea622b Fix some memory leaks in ecc code Matt Johnston <matt@ucc.asn.au> parents: 1032 diff changeset	363 m_free(key->ecckey256);
807 75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	364 key->ecckey256 = NULL;
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	365 }
847 f4bb964c8678 Add '-R' for delayed hostkey option Matt Johnston <matt@ucc.asn.au> parents: 846 diff changeset	366 #endif
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	367 #if DROPBEAR_ECC_384
807 75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	368 if (key->ecckey384) {
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	369 ecc_free(key->ecckey384);
1058 063c38ea622b Fix some memory leaks in ecc code Matt Johnston <matt@ucc.asn.au> parents: 1032 diff changeset	370 m_free(key->ecckey384);
807 75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	371 key->ecckey384 = NULL;
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	372 }
847 f4bb964c8678 Add '-R' for delayed hostkey option Matt Johnston <matt@ucc.asn.au> parents: 846 diff changeset	373 #endif
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	374 #if DROPBEAR_ECC_521
807 75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	375 if (key->ecckey521) {
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	376 ecc_free(key->ecckey521);
1058 063c38ea622b Fix some memory leaks in ecc code Matt Johnston <matt@ucc.asn.au> parents: 1032 diff changeset	377 m_free(key->ecckey521);
807 75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	378 key->ecckey521 = NULL;
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	379 }
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	380 #endif
847 f4bb964c8678 Add '-R' for delayed hostkey option Matt Johnston <matt@ucc.asn.au> parents: 846 diff changeset	381 #endif
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	382
551 c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList Matt Johnston <matt@ucc.asn.au> parents: 436 diff changeset	383 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	384
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	385 m_free(key);
731 9a5438271556 Move the more verbose TRACE() statements into TRACE2() Matt Johnston <matt@ucc.asn.au> parents: 651 diff changeset	386 TRACE2(("leave sign_key_free"))
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	387 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	388
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	389 static char hexdig(unsigned char x) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	390 if (x > 0xf)
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	391 return 'X';
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 if (x < 10)
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	394 return '0' + x;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	395 else
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	396 return 'a' + x - 10;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	397 }
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 /* 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	400 * MD5 is used in preference, but sha1 could still be useful */
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	401 #if 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	402 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	403 unsigned int keybloblen) {
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	404
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	405 char * ret;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	406 hash_state hs;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	407 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	408 unsigned int i;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	409 unsigned int buflen;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	410
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	411 md5_init(&hs);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	412
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	413 /* 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	414 md5_process(&hs, keyblob, keybloblen);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	415
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	416 md5_done(&hs, hash);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	417
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	418 /* "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	419 buflen = 4 + 3*MD5_HASH_SIZE;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	420 ret = (char*)m_malloc(buflen);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	421
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	422 memset(ret, 'Z', buflen);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	423 strcpy(ret, "md5 ");
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	424
214 5a75f8a21503 Change the format of for loops, gcc4 produces incorrect binaries with Matt Johnston <matt@ucc.asn.au> parents: 165 diff changeset	425 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	426 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	427 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	428 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	429 ret[pos+2] = ':';
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	430 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	431 ret[buflen-1] = 0x0;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	432
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	433 return ret;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	434 }
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 #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	437 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	438 unsigned int keybloblen) {
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	439
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	440 char * ret;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	441 hash_state hs;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	442 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	443 unsigned int i;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	444 unsigned int buflen;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	445
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	446 sha1_init(&hs);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	447
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	448 /* 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	449 sha1_process(&hs, keyblob, keybloblen);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	450
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	451 sha1_done(&hs, hash);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	452
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	453 /* "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	454 buflen = 7 + 3*SHA1_HASH_SIZE;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	455 ret = (char*)m_malloc(buflen);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	456
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	457 strcpy(ret, "sha1!! ");
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	458
214 5a75f8a21503 Change the format of for loops, gcc4 produces incorrect binaries with Matt Johnston <matt@ucc.asn.au> parents: 165 diff changeset	459 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	460 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	461 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	462 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	463 ret[pos+2] = ':';
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	464 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	465 ret[buflen-1] = 0x0;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	466
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	467 return ret;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	468 }
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 #endif /* MD5/SHA1 switch */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	471
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	472 /* 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	473 * 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	474 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	475
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	476 #if 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	477 return sign_key_md5_fingerprint(keyblob, keybloblen);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	478 #else
51 095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	479 return sign_key_sha1_fingerprint(keyblob, keybloblen);
4 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 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	482
841 d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	483 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	484 buffer *data_buf) {
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	485 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	486 sigblob = buf_new(MAX_PUBKEY_SIZE);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	487
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	488 #if DROPBEAR_DSS
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	489 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	490 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	491 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	492 #endif
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	493 #if DROPBEAR_RSA
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	494 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	495 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	496 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	497 #endif
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	498 #if DROPBEAR_ECDSA
846 b298bb438625 refactor key generation, make it generate as required. Matt Johnston <matt@ucc.asn.au> parents: 841 diff changeset	499 if (signkey_is_ecdsa(type)) {
841 d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	500 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	501 if (eck) {
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	502 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	503 }
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	504 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	505 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	506 if (sigblob->len == 0) {
594 a98a2138364a Improve capitalisation for all logged strings Matt Johnston <matt@ucc.asn.au> parents: 586 diff changeset	507 dropbear_exit("Non-matching signing type");
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	508 }
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	509 buf_putbufstring(buf, sigblob);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	510 buf_free(sigblob);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	511
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	512 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	513
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	514 #if DROPBEAR_SIGNKEY_VERIFY
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	515 /* Return DROPBEAR_SUCCESS or DROPBEAR_FAILURE.
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	516 * If FAILURE is returned, the position of
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	517 * 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	518 * 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	519 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	520
1094 c45d65392c1a Fix pointer differ in signess warnings [-Werror=pointer-sign] Gaël PORTAY <gael.portay@gmail.com> parents: 1058 diff changeset	521 char *type_name = NULL;
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	522 unsigned int type_name_len = 0;
855 04ede40a529a - Some fixes for old compilers like tru64 v4 from Daniel Richard G. Matt Johnston <matt@ucc.asn.au> parents: 852 diff changeset	523 enum signkey_type type;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	524
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	525 TRACE(("enter buf_verify"))
34 e2a1eaa19f22 Client mostly works up to password auth Matt Johnston <matt@ucc.asn.au> parents: 26 diff changeset	526
864 30ab30e46452 Fix some warnings Matt Johnston <matt@ucc.asn.au> parents: 857 diff changeset	527 buf_getint(buf); /* blob length */
1122 aaf576b27a10 Merge pull request #13 from gazoo74/fix-warnings Matt Johnston <matt@ucc.asn.au> parents: 1094 diff changeset	528 type_name = buf_getstring(buf, &type_name_len);
855 04ede40a529a - Some fixes for old compilers like tru64 v4 from Daniel Richard G. Matt Johnston <matt@ucc.asn.au> parents: 852 diff changeset	529 type = signkey_type_from_name(type_name, type_name_len);
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	530 m_free(type_name);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	531
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	532 #if DROPBEAR_DSS
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	533 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	534 if (key->dsskey == NULL) {
594 a98a2138364a Improve capitalisation for all logged strings Matt Johnston <matt@ucc.asn.au> parents: 586 diff changeset	535 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	536 }
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	537 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	538 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	539 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	540
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	541 #if DROPBEAR_RSA
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	542 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	543 if (key->rsakey == NULL) {
594 a98a2138364a Improve capitalisation for all logged strings Matt Johnston <matt@ucc.asn.au> parents: 586 diff changeset	544 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	545 }
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	546 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	547 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	548 #endif
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	549 #if DROPBEAR_ECDSA
846 b298bb438625 refactor key generation, make it generate as required. Matt Johnston <matt@ucc.asn.au> parents: 841 diff changeset	550 if (signkey_is_ecdsa(type)) {
841 d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	551 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	552 if (eck) {
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	553 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	554 }
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	555 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	556 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	557
594 a98a2138364a Improve capitalisation for all logged strings Matt Johnston <matt@ucc.asn.au> parents: 586 diff changeset	558 dropbear_exit("Non-matching signing type");
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	559 return DROPBEAR_FAILURE;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	560 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	561 #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	562
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	563 #if DROPBEAR_KEY_LINES /* ie we're using authorized_keys or known_hosts */
51 095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	564
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	565 /* 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	566 * 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	567 * base64 data, and contains no trailing data */
436 7282370416a0 Improve known_hosts checking. Matt Johnston <matt@ucc.asn.au> parents: 244 diff changeset	568 /* 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	569 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	570 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	571 const unsigned char* algoname, unsigned int algolen,
436 7282370416a0 Improve known_hosts checking. Matt Johnston <matt@ucc.asn.au> parents: 244 diff changeset	572 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	573
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	574 buffer * decodekey = NULL;
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	575 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	576 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	577 unsigned long decodekeylen;
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	578 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	579
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	580 /* 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	581 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	582 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	583 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	584
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	585 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	586 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	587 &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	588 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	589 goto out;
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	590 }
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: 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	592 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	593
436 7282370416a0 Improve known_hosts checking. Matt Johnston <matt@ucc.asn.au> parents: 244 diff changeset	594 if (fingerprint) {
7282370416a0 Improve known_hosts checking. Matt Johnston <matt@ucc.asn.au> parents: 244 diff changeset	595 *fingerprint = sign_key_fingerprint(buf_getptr(decodekey, decodekeylen),
7282370416a0 Improve known_hosts checking. Matt Johnston <matt@ucc.asn.au> parents: 244 diff changeset	596 decodekeylen);
7282370416a0 Improve known_hosts checking. Matt Johnston <matt@ucc.asn.au> parents: 244 diff changeset	597 }
7282370416a0 Improve known_hosts checking. Matt Johnston <matt@ucc.asn.au> parents: 244 diff changeset	598
51 095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	599 /* compare the keys */
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	600 if ( ( decodekeylen != keybloblen )
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	601 \|\| 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	602 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	603 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	604 goto out;
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	605 }
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 /* ... 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	608 * itself match */
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	609 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	610 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	611 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	612 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	613 goto out;
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	614 }
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	615
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	616 /* All checks passed */
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	617 ret = DROPBEAR_SUCCESS;
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	618
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	619 out:
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	620 buf_free(decodekey);
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	621 decodekey = NULL;
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	622 return ret;
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	623 }
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	624 #endif

Mercurial > dropbear

annotate signkey.c @ 1422:4cebe907dfd0