dropbear: signkey.c annotate

annotate signkey.c @ 1675:ae41624c2198

split signkey_type and signature_type for RSA sha1 vs sha256

author	Matt Johnston <matt@ucc.asn.au>
date	Sun, 17 May 2020 23:58:31 +0800
parents	ba6fc7afe1c5
children	d5cdc60db08e

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"
1674 ba6fc7afe1c5 use sigtype where appropriate Matt Johnston <matt@ucc.asn.au> parents: 1659 diff changeset	31 #include "rsa.h"
ba6fc7afe1c5 use sigtype where appropriate Matt Johnston <matt@ucc.asn.au> parents: 1659 diff changeset	32 #include "dss.h"
ba6fc7afe1c5 use sigtype where appropriate Matt Johnston <matt@ucc.asn.au> parents: 1659 diff changeset	33 #include "ed25519.h"
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	34
1273 139935236c72 const variables Francois Perrad <francois.perrad@gadz.org> parents: 1249 diff changeset	35 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	36 #if DROPBEAR_RSA
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	37 "ssh-rsa",
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_DSS
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	40 "ssh-dss",
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	41 #endif
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	42 #if DROPBEAR_ECDSA
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	43 "ecdsa-sha2-nistp256",
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	44 "ecdsa-sha2-nistp384",
1659 d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	45 "ecdsa-sha2-nistp521",
857 c19acba28590 use oldstyle comments Matt Johnston <matt@ucc.asn.au> parents: 855 diff changeset	46 #endif /* DROPBEAR_ECDSA */
1659 d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	47 #if DROPBEAR_ED25519
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	48 "ssh-ed25519",
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	49 #endif /* DROPBEAR_ED25519 */
1674 ba6fc7afe1c5 use sigtype where appropriate Matt Johnston <matt@ucc.asn.au> parents: 1659 diff changeset	50 /* "rsa-sha2-256" is special-cased below since it is only a signature name, not key type */
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	51 };
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	52
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	53 /* 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	54 sign_key * new_sign_key() {
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 sign_key * ret;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	57
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	58 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	59 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	60 ret->source = SIGNKEY_SOURCE_INVALID;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	61 return ret;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	62 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	63
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	64 /* Returns key name corresponding to the type. Exits fatally
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	65 * if the type is invalid */
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	66 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	67 if (type >= DROPBEAR_SIGNKEY_NUM_NAMED) {
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	68 dropbear_exit("Bad key type %d", type);
44 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
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	71 if (namelen) {
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	72 *namelen = strlen(signkey_names[type]);
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	73 }
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	74 return signkey_names[type];
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	75 }
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	76
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	77 /* Returns DROPBEAR_SIGNKEY_NONE if none match */
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	78 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	79 int i;
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	80 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	81 const char *fixed_name = signkey_names[i];
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	82 if (namelen == strlen(fixed_name)
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	83 && memcmp(fixed_name, name, namelen) == 0) {
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	84
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	85 #if DROPBEAR_ECDSA
795 7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 794 diff changeset	86 /* 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	87 if (0
1499 2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1459 diff changeset	88 #if !DROPBEAR_ECC_256
795 7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 794 diff changeset	89 \|\| i == DROPBEAR_SIGNKEY_ECDSA_NISTP256
7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 794 diff changeset	90 #endif
1499 2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1459 diff changeset	91 #if !DROPBEAR_ECC_384
795 7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 794 diff changeset	92 \|\| i == DROPBEAR_SIGNKEY_ECDSA_NISTP384
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	93 #endif
1499 2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1459 diff changeset	94 #if !DROPBEAR_ECC_521
795 7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 794 diff changeset	95 \|\| i == DROPBEAR_SIGNKEY_ECDSA_NISTP521
7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 794 diff changeset	96 #endif
7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 794 diff changeset	97 ) {
7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 794 diff changeset	98 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	99 return DROPBEAR_SIGNKEY_NONE;
7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 794 diff changeset	100 }
7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 794 diff changeset	101 #endif
7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 794 diff changeset	102
1255 55d485943eb0 cast return type to enum Matt Johnston <matt@ucc.asn.au> parents: 1249 diff changeset	103 return (enum signkey_type)i;
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	104 }
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	105 }
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	106
551 c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList Matt Johnston <matt@ucc.asn.au> parents: 436 diff changeset	107 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	108
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	109 return DROPBEAR_SIGNKEY_NONE;
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	110 }
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	111
1674 ba6fc7afe1c5 use sigtype where appropriate Matt Johnston <matt@ucc.asn.au> parents: 1659 diff changeset	112 /* Special case for rsa-sha2-256. This could be generalised if more
ba6fc7afe1c5 use sigtype where appropriate Matt Johnston <matt@ucc.asn.au> parents: 1659 diff changeset	113 signature names are added that aren't 1-1 with public key names */
1675 ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	114 const char* signature_name_from_type(enum signature_type type, unsigned int *namelen) {
1674 ba6fc7afe1c5 use sigtype where appropriate Matt Johnston <matt@ucc.asn.au> parents: 1659 diff changeset	115 #if DROPBEAR_RSA_SHA256
1675 ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	116 if (type == DROPBEAR_SIGNATURE_RSA_SHA256) {
ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	117 *namelen = strlen(SSH_SIGNATURE_RSA_SHA256);
ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	118 return SSH_SIGNATURE_RSA_SHA256;
1674 ba6fc7afe1c5 use sigtype where appropriate Matt Johnston <matt@ucc.asn.au> parents: 1659 diff changeset	119 }
ba6fc7afe1c5 use sigtype where appropriate Matt Johnston <matt@ucc.asn.au> parents: 1659 diff changeset	120 #endif
1675 ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	121 #if DROPBEAR_RSA_SHA1
ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	122 if (type == DROPBEAR_SIGNATURE_RSA_SHA1) {
ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	123 *namelen = strlen(SSH_SIGNKEY_RSA);
ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	124 return SSH_SIGNKEY_RSA;
ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	125 }
ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	126 #endif
ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	127 return signkey_name_from_type((enum signkey_type)type, namelen);
1674 ba6fc7afe1c5 use sigtype where appropriate Matt Johnston <matt@ucc.asn.au> parents: 1659 diff changeset	128 }
ba6fc7afe1c5 use sigtype where appropriate Matt Johnston <matt@ucc.asn.au> parents: 1659 diff changeset	129
1675 ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	130 /* Returns DROPBEAR_SIGNATURE_NONE if none match */
ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	131 enum signature_type signature_type_from_name(const char* name, unsigned int namelen) {
1674 ba6fc7afe1c5 use sigtype where appropriate Matt Johnston <matt@ucc.asn.au> parents: 1659 diff changeset	132 #if DROPBEAR_RSA_SHA256
1675 ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	133 if (namelen == strlen(SSH_SIGNATURE_RSA_SHA256)
ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	134 && memcmp(name, SSH_SIGNATURE_RSA_SHA256, namelen) == 0) {
ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	135 return DROPBEAR_SIGNATURE_RSA_SHA256;
1674 ba6fc7afe1c5 use sigtype where appropriate Matt Johnston <matt@ucc.asn.au> parents: 1659 diff changeset	136 }
ba6fc7afe1c5 use sigtype where appropriate Matt Johnston <matt@ucc.asn.au> parents: 1659 diff changeset	137 #endif
1675 ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	138 #if DROPBEAR_RSA_SHA256
ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	139 if (namelen == strlen(SSH_SIGNKEY_RSA)
ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	140 && memcmp(name, SSH_SIGNKEY_RSA, namelen) == 0) {
ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	141 return DROPBEAR_SIGNATURE_RSA_SHA1;
ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	142 }
ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	143 #endif
ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	144 return (enum signature_type)signkey_type_from_name(name, namelen);
1674 ba6fc7afe1c5 use sigtype where appropriate Matt Johnston <matt@ucc.asn.au> parents: 1659 diff changeset	145 }
ba6fc7afe1c5 use sigtype where appropriate Matt Johnston <matt@ucc.asn.au> parents: 1659 diff changeset	146
1675 ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	147 enum signkey_type signkey_type_from_signature(enum signature_type sigtype) {
1674 ba6fc7afe1c5 use sigtype where appropriate Matt Johnston <matt@ucc.asn.au> parents: 1659 diff changeset	148 #if DROPBEAR_RSA_SHA256
1675 ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	149 if (sigtype == DROPBEAR_SIGNATURE_RSA_SHA256) {
ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	150 return DROPBEAR_SIGNKEY_RSA;
ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	151 }
ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	152 #endif
ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	153 #if DROPBEAR_RSA_SHA1
ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	154 if (sigtype == DROPBEAR_SIGNATURE_RSA_SHA1) {
1674 ba6fc7afe1c5 use sigtype where appropriate Matt Johnston <matt@ucc.asn.au> parents: 1659 diff changeset	155 return DROPBEAR_SIGNKEY_RSA;
ba6fc7afe1c5 use sigtype where appropriate Matt Johnston <matt@ucc.asn.au> parents: 1659 diff changeset	156 }
ba6fc7afe1c5 use sigtype where appropriate Matt Johnston <matt@ucc.asn.au> parents: 1659 diff changeset	157 #endif
ba6fc7afe1c5 use sigtype where appropriate Matt Johnston <matt@ucc.asn.au> parents: 1659 diff changeset	158 assert(sigtype < DROPBEAR_SIGNKEY_NUM_NAMED);
1675 ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	159 return (enum signkey_type)sigtype;
1674 ba6fc7afe1c5 use sigtype where appropriate Matt Johnston <matt@ucc.asn.au> parents: 1659 diff changeset	160 }
ba6fc7afe1c5 use sigtype where appropriate Matt Johnston <matt@ucc.asn.au> parents: 1659 diff changeset	161
1423 c1c3d5943bfc Fix null pointer dereference found by libfuzzer Matt Johnston <matt@ucc.asn.au> parents: 1409 diff changeset	162 /* Returns a pointer to the key part specific to "type".
c1c3d5943bfc Fix null pointer dereference found by libfuzzer Matt Johnston <matt@ucc.asn.au> parents: 1409 diff changeset	163 Be sure to check both (ret != NULL) and (ret != NULL) /
841 d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	164 void **
d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 807 diff changeset	165 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	166 switch (type) {
1659 d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	167 #if DROPBEAR_ED25519
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	168 case DROPBEAR_SIGNKEY_ED25519:
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	169 return (void**)&key->ed25519key;
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	170 #endif
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	171 #if DROPBEAR_ECDSA
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	172 #if DROPBEAR_ECC_256
807 75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	173 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	174 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	175 #endif
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	176 #if DROPBEAR_ECC_384
807 75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	177 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	178 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	179 #endif
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	180 #if DROPBEAR_ECC_521
807 75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	181 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	182 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	183 #endif
935 25692c60479e Fix compiling with ECDSA and DSS disabled Matt Johnston <matt@ucc.asn.au> parents: 864 diff changeset	184 #endif /* DROPBEAR_ECDSA */
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	185 #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	186 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	187 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	188 #endif
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	189 #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	190 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	191 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	192 #endif
807 75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	193 default:
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	194 return NULL;
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	195 }
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	196 }
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	197
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	198 /* returns DROPBEAR_SUCCESS on success, DROPBEAR_FAILURE on fail.
26 0969767bca0d snapshot of stuff Matt Johnston <matt@ucc.asn.au> parents: 4 diff changeset	199 * 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	200 * 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	201 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	202
1094 c45d65392c1a Fix pointer differ in signess warnings [-Werror=pointer-sign] Gaël PORTAY <gael.portay@gmail.com> parents: 1058 diff changeset	203 char *ident;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	204 unsigned int len;
1032 0da8ba489c23 Move generic network routines to netio.c Matt Johnston <matt@ucc.asn.au> parents: 935 diff changeset	205 enum signkey_type keytype;
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	206 int ret = DROPBEAR_FAILURE;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	207
731 9a5438271556 Move the more verbose TRACE() statements into TRACE2() Matt Johnston <matt@ucc.asn.au> parents: 651 diff changeset	208 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	209
1122 aaf576b27a10 Merge pull request #13 from gazoo74/fix-warnings Matt Johnston <matt@ucc.asn.au> parents: 1094 diff changeset	210 ident = buf_getstring(buf, &len);
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	211 keytype = signkey_type_from_name(ident, len);
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	212 m_free(ident);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	213
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	214 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	215 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	216 return DROPBEAR_FAILURE;
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	217 }
551 c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList Matt Johnston <matt@ucc.asn.au> parents: 436 diff changeset	218
731 9a5438271556 Move the more verbose TRACE() statements into TRACE2() Matt Johnston <matt@ucc.asn.au> parents: 651 diff changeset	219 TRACE2(("buf_get_pub_key keytype is %d", keytype))
44 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 *type = keytype;
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	222
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	223 /* Rewind the buffer back before "ssh-rsa" etc */
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	224 buf_incrpos(buf, -len - 4);
34 e2a1eaa19f22 Client mostly works up to password auth Matt Johnston <matt@ucc.asn.au> parents: 26 diff changeset	225
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	226 #if DROPBEAR_DSS
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	227 if (keytype == DROPBEAR_SIGNKEY_DSS) {
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	228 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	229 key->dsskey = m_malloc(sizeof(*key->dsskey));
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	230 ret = buf_get_dss_pub_key(buf, key->dsskey);
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	231 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	232 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	233 key->dsskey = NULL;
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	234 }
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	235 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	236 #endif
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	237 #if DROPBEAR_RSA
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	238 if (keytype == DROPBEAR_SIGNKEY_RSA) {
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	239 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	240 key->rsakey = m_malloc(sizeof(*key->rsakey));
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	241 ret = buf_get_rsa_pub_key(buf, key->rsakey);
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	242 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	243 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	244 key->rsakey = NULL;
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	245 }
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	246 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	247 #endif
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	248 #if DROPBEAR_ECDSA
846 b298bb438625 refactor key generation, make it generate as required. Matt Johnston <matt@ucc.asn.au> parents: 841 diff changeset	249 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	250 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	251 if (eck) {
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	252 if (*eck) {
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	253 ecc_free(*eck);
1058 063c38ea622b Fix some memory leaks in ecc code Matt Johnston <matt@ucc.asn.au> parents: 1032 diff changeset	254 m_free(*eck);
807 75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	255 *eck = NULL;
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	256 }
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	257 *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	258 if (*eck) {
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	259 ret = DROPBEAR_SUCCESS;
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	260 }
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	261 }
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	262 }
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	263 #endif
1659 d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	264 #if DROPBEAR_ED25519
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	265 if (keytype == DROPBEAR_SIGNKEY_ED25519) {
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	266 ed25519_key_free(key->ed25519key);
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	267 key->ed25519key = m_malloc(sizeof(*key->ed25519key));
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	268 ret = buf_get_ed25519_pub_key(buf, key->ed25519key);
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	269 if (ret == DROPBEAR_FAILURE) {
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	270 m_free(key->ed25519key);
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	271 key->ed25519key = NULL;
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	272 }
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	273 }
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	274 #endif
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	275
731 9a5438271556 Move the more verbose TRACE() statements into TRACE2() Matt Johnston <matt@ucc.asn.au> parents: 651 diff changeset	276 TRACE2(("leave buf_get_pub_key"))
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	277
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	278 return ret;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	279 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	280
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	281 /* returns DROPBEAR_SUCCESS on success, DROPBEAR_FAILURE on fail.
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	282 * 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	283 * 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	284 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	285
1094 c45d65392c1a Fix pointer differ in signess warnings [-Werror=pointer-sign] Gaël PORTAY <gael.portay@gmail.com> parents: 1058 diff changeset	286 char *ident;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	287 unsigned int len;
1032 0da8ba489c23 Move generic network routines to netio.c Matt Johnston <matt@ucc.asn.au> parents: 935 diff changeset	288 enum signkey_type keytype;
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	289 int ret = DROPBEAR_FAILURE;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	290
731 9a5438271556 Move the more verbose TRACE() statements into TRACE2() Matt Johnston <matt@ucc.asn.au> parents: 651 diff changeset	291 TRACE2(("enter buf_get_priv_key"))
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	292
1122 aaf576b27a10 Merge pull request #13 from gazoo74/fix-warnings Matt Johnston <matt@ucc.asn.au> parents: 1094 diff changeset	293 ident = buf_getstring(buf, &len);
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	294 keytype = signkey_type_from_name(ident, len);
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	295 m_free(ident);
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	296
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	297 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	298 TRACE(("wrong key type: %d %d", *type, keytype))
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	299 return DROPBEAR_FAILURE;
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	300 }
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	301
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	302 *type = keytype;
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	303
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	304 /* Rewind the buffer back before "ssh-rsa" etc */
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	305 buf_incrpos(buf, -len - 4);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	306
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	307 #if DROPBEAR_DSS
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	308 if (keytype == DROPBEAR_SIGNKEY_DSS) {
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	309 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	310 key->dsskey = m_malloc(sizeof(*key->dsskey));
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	311 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	312 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	313 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	314 key->dsskey = NULL;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	315 }
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 #endif
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	318 #if DROPBEAR_RSA
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	319 if (keytype == DROPBEAR_SIGNKEY_RSA) {
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	320 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	321 key->rsakey = m_malloc(sizeof(*key->rsakey));
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	322 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	323 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	324 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	325 key->rsakey = NULL;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	326 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	327 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	328 #endif
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	329 #if DROPBEAR_ECDSA
846 b298bb438625 refactor key generation, make it generate as required. Matt Johnston <matt@ucc.asn.au> parents: 841 diff changeset	330 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	331 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	332 if (eck) {
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	333 if (*eck) {
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	334 ecc_free(*eck);
1058 063c38ea622b Fix some memory leaks in ecc code Matt Johnston <matt@ucc.asn.au> parents: 1032 diff changeset	335 m_free(*eck);
807 75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	336 *eck = NULL;
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	337 }
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	338 *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	339 if (*eck) {
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	340 ret = DROPBEAR_SUCCESS;
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 }
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	344 #endif
1659 d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	345 #if DROPBEAR_ED25519
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	346 if (keytype == DROPBEAR_SIGNKEY_ED25519) {
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	347 ed25519_key_free(key->ed25519key);
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	348 key->ed25519key = m_malloc(sizeof(*key->ed25519key));
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	349 ret = buf_get_ed25519_priv_key(buf, key->ed25519key);
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	350 if (ret == DROPBEAR_FAILURE) {
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	351 m_free(key->ed25519key);
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	352 key->ed25519key = NULL;
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	353 }
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	354 }
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	355 #endif
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	356
731 9a5438271556 Move the more verbose TRACE() statements into TRACE2() Matt Johnston <matt@ucc.asn.au> parents: 651 diff changeset	357 TRACE2(("leave buf_get_priv_key"))
44 45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	358
45edf30ea0a6 Improved signkey code Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	359 return ret;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	360
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	361 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	362
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	363 /* 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	364 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	365
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	366 buffer *pubkeys;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	367
731 9a5438271556 Move the more verbose TRACE() statements into TRACE2() Matt Johnston <matt@ucc.asn.au> parents: 651 diff changeset	368 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	369 pubkeys = buf_new(MAX_PUBKEY_SIZE);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	370
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	371 #if DROPBEAR_DSS
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	372 if (type == DROPBEAR_SIGNKEY_DSS) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	373 buf_put_dss_pub_key(pubkeys, key->dsskey);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	374 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	375 #endif
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	376 #if DROPBEAR_RSA
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	377 if (type == DROPBEAR_SIGNKEY_RSA) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	378 buf_put_rsa_pub_key(pubkeys, key->rsakey);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	379 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	380 #endif
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	381 #if DROPBEAR_ECDSA
846 b298bb438625 refactor key generation, make it generate as required. Matt Johnston <matt@ucc.asn.au> parents: 841 diff changeset	382 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	383 ecc_key eck = (ecc_key)signkey_key_ptr(key, type);
1423 c1c3d5943bfc Fix null pointer dereference found by libfuzzer Matt Johnston <matt@ucc.asn.au> parents: 1409 diff changeset	384 if (eck && *eck) {
807 75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	385 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	386 }
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	387 }
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	388 #endif
1659 d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	389 #if DROPBEAR_ED25519
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	390 if (type == DROPBEAR_SIGNKEY_ED25519) {
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	391 buf_put_ed25519_pub_key(pubkeys, key->ed25519key);
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	392 }
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	393 #endif
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	394 if (pubkeys->len == 0) {
594 a98a2138364a Improve capitalisation for all logged strings Matt Johnston <matt@ucc.asn.au> parents: 586 diff changeset	395 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	396 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	397
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	398 buf_putbufstring(buf, pubkeys);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	399 buf_free(pubkeys);
731 9a5438271556 Move the more verbose TRACE() statements into TRACE2() Matt Johnston <matt@ucc.asn.au> parents: 651 diff changeset	400 TRACE2(("leave buf_put_pub_key"))
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	401 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	402
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	403 /* 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	404 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	405
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	406 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	407 TRACE(("type is %d", type))
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	408
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	409 #if DROPBEAR_DSS
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	410 if (type == DROPBEAR_SIGNKEY_DSS) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	411 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	412 TRACE(("leave buf_put_priv_key: dss done"))
c6346c63281b refactor indentation with hard tab Francois Perrad <francois.perrad@gadz.org> parents: 1122 diff changeset	413 return;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	414 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	415 #endif
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	416 #if DROPBEAR_RSA
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	417 if (type == DROPBEAR_SIGNKEY_RSA) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	418 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	419 TRACE(("leave buf_put_priv_key: rsa done"))
c6346c63281b refactor indentation with hard tab Francois Perrad <francois.perrad@gadz.org> parents: 1122 diff changeset	420 return;
4 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 #endif
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	423 #if DROPBEAR_ECDSA
846 b298bb438625 refactor key generation, make it generate as required. Matt Johnston <matt@ucc.asn.au> parents: 841 diff changeset	424 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	425 ecc_key eck = (ecc_key)signkey_key_ptr(key, type);
1423 c1c3d5943bfc Fix null pointer dereference found by libfuzzer Matt Johnston <matt@ucc.asn.au> parents: 1409 diff changeset	426 if (eck && *eck) {
807 75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	427 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	428 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	429 return;
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	430 }
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	431 }
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	432 #endif
1659 d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	433 #if DROPBEAR_ED25519
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	434 if (type == DROPBEAR_SIGNKEY_ED25519) {
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	435 buf_put_ed25519_priv_key(buf, key->ed25519key);
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	436 TRACE(("leave buf_put_priv_key: ed25519 done"))
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	437 return;
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	438 }
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	439 #endif
594 a98a2138364a Improve capitalisation for all logged strings Matt Johnston <matt@ucc.asn.au> parents: 586 diff changeset	440 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	441 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	442
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	443 void sign_key_free(sign_key *key) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	444
731 9a5438271556 Move the more verbose TRACE() statements into TRACE2() Matt Johnston <matt@ucc.asn.au> parents: 651 diff changeset	445 TRACE2(("enter sign_key_free"))
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	446
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	447 #if DROPBEAR_DSS
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	448 dss_key_free(key->dsskey);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	449 key->dsskey = NULL;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	450 #endif
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	451 #if DROPBEAR_RSA
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	452 rsa_key_free(key->rsakey);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	453 key->rsakey = NULL;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	454 #endif
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	455 #if DROPBEAR_ECDSA
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	456 #if DROPBEAR_ECC_256
807 75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	457 if (key->ecckey256) {
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	458 ecc_free(key->ecckey256);
1058 063c38ea622b Fix some memory leaks in ecc code Matt Johnston <matt@ucc.asn.au> parents: 1032 diff changeset	459 m_free(key->ecckey256);
807 75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	460 key->ecckey256 = NULL;
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	461 }
847 f4bb964c8678 Add '-R' for delayed hostkey option Matt Johnston <matt@ucc.asn.au> parents: 846 diff changeset	462 #endif
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	463 #if DROPBEAR_ECC_384
807 75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	464 if (key->ecckey384) {
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	465 ecc_free(key->ecckey384);
1058 063c38ea622b Fix some memory leaks in ecc code Matt Johnston <matt@ucc.asn.au> parents: 1032 diff changeset	466 m_free(key->ecckey384);
807 75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	467 key->ecckey384 = NULL;
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	468 }
847 f4bb964c8678 Add '-R' for delayed hostkey option Matt Johnston <matt@ucc.asn.au> parents: 846 diff changeset	469 #endif
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	470 #if DROPBEAR_ECC_521
807 75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	471 if (key->ecckey521) {
75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	472 ecc_free(key->ecckey521);
1058 063c38ea622b Fix some memory leaks in ecc code Matt Johnston <matt@ucc.asn.au> parents: 1032 diff changeset	473 m_free(key->ecckey521);
807 75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	474 key->ecckey521 = NULL;
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	475 }
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	476 #endif
847 f4bb964c8678 Add '-R' for delayed hostkey option Matt Johnston <matt@ucc.asn.au> parents: 846 diff changeset	477 #endif
1659 d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	478 #if DROPBEAR_ED25519
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	479 ed25519_key_free(key->ed25519key);
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	480 key->ed25519key = NULL;
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	481 #endif
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	482
551 c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList Matt Johnston <matt@ucc.asn.au> parents: 436 diff changeset	483 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	484
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	485 m_free(key);
731 9a5438271556 Move the more verbose TRACE() statements into TRACE2() Matt Johnston <matt@ucc.asn.au> parents: 651 diff changeset	486 TRACE2(("leave sign_key_free"))
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	487 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	488
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	489 static char hexdig(unsigned char x) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	490 if (x > 0xf)
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	491 return 'X';
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 if (x < 10)
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	494 return '0' + x;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	495 else
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	496 return 'a' + x - 10;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	497 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	498
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	499 /* 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	500 * 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	501 #if DROPBEAR_MD5_HMAC
1459 06d52bcb8094 Pointer parameter could be declared as pointing to const Francois Perrad <francois.perrad@gadz.org> parents: 1424 diff changeset	502 static char * sign_key_md5_fingerprint(const unsigned char* keyblob,
51 095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	503 unsigned int keybloblen) {
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 char * ret;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	506 hash_state hs;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	507 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	508 unsigned int i;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	509 unsigned int buflen;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	510
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	511 md5_init(&hs);
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 /* 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	514 md5_process(&hs, keyblob, keybloblen);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	515
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	516 md5_done(&hs, hash);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	517
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	518 /* "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	519 buflen = 4 + 3*MD5_HASH_SIZE;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	520 ret = (char*)m_malloc(buflen);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	521
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	522 memset(ret, 'Z', buflen);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	523 strcpy(ret, "md5 ");
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	524
214 5a75f8a21503 Change the format of for loops, gcc4 produces incorrect binaries with Matt Johnston <matt@ucc.asn.au> parents: 165 diff changeset	525 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	526 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	527 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	528 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	529 ret[pos+2] = ':';
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	530 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	531 ret[buflen-1] = 0x0;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	532
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	533 return ret;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	534 }
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 #else /* use SHA1 rather than MD5 for fingerprint */
1459 06d52bcb8094 Pointer parameter could be declared as pointing to const Francois Perrad <francois.perrad@gadz.org> parents: 1424 diff changeset	537 static char * sign_key_sha1_fingerprint(const unsigned char* keyblob,
51 095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	538 unsigned int keybloblen) {
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	539
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	540 char * ret;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	541 hash_state hs;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	542 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	543 unsigned int i;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	544 unsigned int buflen;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	545
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	546 sha1_init(&hs);
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 /* 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	549 sha1_process(&hs, keyblob, keybloblen);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	550
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	551 sha1_done(&hs, hash);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	552
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	553 /* "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	554 buflen = 7 + 3*SHA1_HASH_SIZE;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	555 ret = (char*)m_malloc(buflen);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	556
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	557 strcpy(ret, "sha1!! ");
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	558
214 5a75f8a21503 Change the format of for loops, gcc4 produces incorrect binaries with Matt Johnston <matt@ucc.asn.au> parents: 165 diff changeset	559 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	560 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	561 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	562 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	563 ret[pos+2] = ':';
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	564 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	565 ret[buflen-1] = 0x0;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	566
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	567 return ret;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	568 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	569
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	570 #endif /* MD5/SHA1 switch */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	571
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	572 /* 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	573 * in either sha1 or md5 */
1459 06d52bcb8094 Pointer parameter could be declared as pointing to const Francois Perrad <francois.perrad@gadz.org> parents: 1424 diff changeset	574 char * sign_key_fingerprint(const unsigned char* keyblob, unsigned int keybloblen) {
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	575
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	576 #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	577 return sign_key_md5_fingerprint(keyblob, keybloblen);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	578 #else
51 095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	579 return sign_key_sha1_fingerprint(keyblob, keybloblen);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	580 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	581 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	582
1675 ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	583 void buf_put_sign(buffer* buf, sign_key *key, enum signature_type sigtype,
1459 06d52bcb8094 Pointer parameter could be declared as pointing to const Francois Perrad <francois.perrad@gadz.org> parents: 1424 diff changeset	584 const buffer *data_buf) {
1674 ba6fc7afe1c5 use sigtype where appropriate Matt Johnston <matt@ucc.asn.au> parents: 1659 diff changeset	585 buffer *sigblob = buf_new(MAX_PUBKEY_SIZE);
ba6fc7afe1c5 use sigtype where appropriate Matt Johnston <matt@ucc.asn.au> parents: 1659 diff changeset	586 enum signkey_type keytype = signkey_type_from_signature(sigtype);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	587
1675 ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	588 #if DEBUG_TRACE
ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	589 {
ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	590 int namelen;
ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	591 const char* signame = signature_name_from_type(sigtype, &namelen);
ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	592 TRACE(("buf_put_sign type %d %s", sigtype, signame));
ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	593 }
ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	594 #endif
ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	595
ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	596
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	597 #if DROPBEAR_DSS
1674 ba6fc7afe1c5 use sigtype where appropriate Matt Johnston <matt@ucc.asn.au> parents: 1659 diff changeset	598 if (keytype == 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	599 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	600 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	601 #endif
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	602 #if DROPBEAR_RSA
1674 ba6fc7afe1c5 use sigtype where appropriate Matt Johnston <matt@ucc.asn.au> parents: 1659 diff changeset	603 if (keytype == DROPBEAR_SIGNKEY_RSA) {
ba6fc7afe1c5 use sigtype where appropriate Matt Johnston <matt@ucc.asn.au> parents: 1659 diff changeset	604 buf_put_rsa_sign(sigblob, key->rsakey, sigtype, data_buf);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	605 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	606 #endif
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	607 #if DROPBEAR_ECDSA
1674 ba6fc7afe1c5 use sigtype where appropriate Matt Johnston <matt@ucc.asn.au> parents: 1659 diff changeset	608 if (signkey_is_ecdsa(keytype)) {
ba6fc7afe1c5 use sigtype where appropriate Matt Johnston <matt@ucc.asn.au> parents: 1659 diff changeset	609 ecc_key eck = (ecc_key)signkey_key_ptr(key, keytype);
1423 c1c3d5943bfc Fix null pointer dereference found by libfuzzer Matt Johnston <matt@ucc.asn.au> parents: 1409 diff changeset	610 if (eck && *eck) {
807 75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	611 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	612 }
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	613 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	614 #endif
1659 d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	615 #if DROPBEAR_ED25519
1674 ba6fc7afe1c5 use sigtype where appropriate Matt Johnston <matt@ucc.asn.au> parents: 1659 diff changeset	616 if (keytype == DROPBEAR_SIGNKEY_ED25519) {
1659 d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	617 buf_put_ed25519_sign(sigblob, key->ed25519key, data_buf);
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	618 }
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	619 #endif
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	620 if (sigblob->len == 0) {
594 a98a2138364a Improve capitalisation for all logged strings Matt Johnston <matt@ucc.asn.au> parents: 586 diff changeset	621 dropbear_exit("Non-matching signing type");
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	622 }
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	623 buf_putbufstring(buf, sigblob);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	624 buf_free(sigblob);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	625
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	626 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	627
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	628 #if DROPBEAR_SIGNKEY_VERIFY
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	629 /* Return DROPBEAR_SUCCESS or DROPBEAR_FAILURE.
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	630 * If FAILURE is returned, the position of
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	631 * 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	632 * signature blob */
1675 ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	633 int buf_verify(buffer * buf, sign_key key, enum signature_type expect_sigtype, const buffer data_buf) {
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	634
1094 c45d65392c1a Fix pointer differ in signess warnings [-Werror=pointer-sign] Gaël PORTAY <gael.portay@gmail.com> parents: 1058 diff changeset	635 char *type_name = NULL;
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 793 diff changeset	636 unsigned int type_name_len = 0;
1675 ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	637 enum signature_type sigtype;
ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	638 enum signkey_type keytype;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	639
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	640 TRACE(("enter buf_verify"))
34 e2a1eaa19f22 Client mostly works up to password auth Matt Johnston <matt@ucc.asn.au> parents: 26 diff changeset	641
864 30ab30e46452 Fix some warnings Matt Johnston <matt@ucc.asn.au> parents: 857 diff changeset	642 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	643 type_name = buf_getstring(buf, &type_name_len);
1674 ba6fc7afe1c5 use sigtype where appropriate Matt Johnston <matt@ucc.asn.au> parents: 1659 diff changeset	644 sigtype = signature_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	645 m_free(type_name);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	646
1675 ae41624c2198 split signkey_type and signature_type for RSA sha1 vs sha256 Matt Johnston <matt@ucc.asn.au> parents: 1674 diff changeset	647 if (expect_sigtype != sigtype) {
1674 ba6fc7afe1c5 use sigtype where appropriate Matt Johnston <matt@ucc.asn.au> parents: 1659 diff changeset	648 dropbear_exit("Non-matching signing type");
ba6fc7afe1c5 use sigtype where appropriate Matt Johnston <matt@ucc.asn.au> parents: 1659 diff changeset	649 }
ba6fc7afe1c5 use sigtype where appropriate Matt Johnston <matt@ucc.asn.au> parents: 1659 diff changeset	650
ba6fc7afe1c5 use sigtype where appropriate Matt Johnston <matt@ucc.asn.au> parents: 1659 diff changeset	651 keytype = signkey_type_from_signature(sigtype);
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	652 #if DROPBEAR_DSS
1674 ba6fc7afe1c5 use sigtype where appropriate Matt Johnston <matt@ucc.asn.au> parents: 1659 diff changeset	653 if (keytype == 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	654 if (key->dsskey == NULL) {
594 a98a2138364a Improve capitalisation for all logged strings Matt Johnston <matt@ucc.asn.au> parents: 586 diff changeset	655 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	656 }
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	657 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	658 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	659 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	660
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	661 #if DROPBEAR_RSA
1674 ba6fc7afe1c5 use sigtype where appropriate Matt Johnston <matt@ucc.asn.au> parents: 1659 diff changeset	662 if (keytype == 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	663 if (key->rsakey == NULL) {
594 a98a2138364a Improve capitalisation for all logged strings Matt Johnston <matt@ucc.asn.au> parents: 586 diff changeset	664 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	665 }
1674 ba6fc7afe1c5 use sigtype where appropriate Matt Johnston <matt@ucc.asn.au> parents: 1659 diff changeset	666 return buf_rsa_verify(buf, key->rsakey, sigtype, data_buf);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	667 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	668 #endif
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	669 #if DROPBEAR_ECDSA
1674 ba6fc7afe1c5 use sigtype where appropriate Matt Johnston <matt@ucc.asn.au> parents: 1659 diff changeset	670 if (signkey_is_ecdsa(keytype)) {
ba6fc7afe1c5 use sigtype where appropriate Matt Johnston <matt@ucc.asn.au> parents: 1659 diff changeset	671 ecc_key eck = (ecc_key)signkey_key_ptr(key, keytype);
1424 8a4b8f026de6 fix null pointer crash Matt Johnston <matt@ucc.asn.au> parents: 1423 diff changeset	672 if (eck && *eck) {
807 75509065db53 have separate ecdsa keys for each size Matt Johnston <matt@ucc.asn.au> parents: 801 diff changeset	673 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	674 }
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	675 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	676 #endif
1659 d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	677 #if DROPBEAR_ED25519
1674 ba6fc7afe1c5 use sigtype where appropriate Matt Johnston <matt@ucc.asn.au> parents: 1659 diff changeset	678 if (keytype == DROPBEAR_SIGNKEY_ED25519) {
1659 d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	679 if (key->ed25519key == NULL) {
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	680 dropbear_exit("No Ed25519 key to verify signature");
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	681 }
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	682 return buf_ed25519_verify(buf, key->ed25519key, data_buf);
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	683 }
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1558 diff changeset	684 #endif
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	685
594 a98a2138364a Improve capitalisation for all logged strings Matt Johnston <matt@ucc.asn.au> parents: 586 diff changeset	686 dropbear_exit("Non-matching signing type");
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	687 return DROPBEAR_FAILURE;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	688 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	689 #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	690
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1278 diff changeset	691 #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	692
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	693 /* 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	694 * 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	695 * base64 data, and contains no trailing data */
436 7282370416a0 Improve known_hosts checking. Matt Johnston <matt@ucc.asn.au> parents: 244 diff changeset	696 /* 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	697 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	698 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	699 const unsigned char* algoname, unsigned int algolen,
1459 06d52bcb8094 Pointer parameter could be declared as pointing to const Francois Perrad <francois.perrad@gadz.org> parents: 1424 diff changeset	700 const 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	701
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	702 buffer * decodekey = NULL;
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	703 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	704 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	705 unsigned long decodekeylen;
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	706 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	707
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	708 /* 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	709 len = line->len - line->pos;
1371 bc9e2e148f58 avoid NULL argument to base64 decode Matt Johnston <matt@ucc.asn.au> parents: 1369 diff changeset	710 if (len == 0) {
bc9e2e148f58 avoid NULL argument to base64 decode Matt Johnston <matt@ucc.asn.au> parents: 1369 diff changeset	711 /* base64_decode doesn't like NULL argument */
bc9e2e148f58 avoid NULL argument to base64 decode Matt Johnston <matt@ucc.asn.au> parents: 1369 diff changeset	712 return DROPBEAR_FAILURE;
bc9e2e148f58 avoid NULL argument to base64 decode Matt Johnston <matt@ucc.asn.au> parents: 1369 diff changeset	713 }
51 095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	714 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	715 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	716
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	717 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	718 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	719 &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	720 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	721 goto out;
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	722 }
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	723 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	724 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	725
436 7282370416a0 Improve known_hosts checking. Matt Johnston <matt@ucc.asn.au> parents: 244 diff changeset	726 if (fingerprint) {
7282370416a0 Improve known_hosts checking. Matt Johnston <matt@ucc.asn.au> parents: 244 diff changeset	727 *fingerprint = sign_key_fingerprint(buf_getptr(decodekey, decodekeylen),
7282370416a0 Improve known_hosts checking. Matt Johnston <matt@ucc.asn.au> parents: 244 diff changeset	728 decodekeylen);
7282370416a0 Improve known_hosts checking. Matt Johnston <matt@ucc.asn.au> parents: 244 diff changeset	729 }
7282370416a0 Improve known_hosts checking. Matt Johnston <matt@ucc.asn.au> parents: 244 diff changeset	730
51 095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	731 /* compare the keys */
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	732 if ( ( decodekeylen != keybloblen )
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	733 \|\| 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	734 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	735 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	736 goto out;
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	737 }
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	738
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	739 /* ... 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	740 * itself match */
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	741 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	742 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	743 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	744 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	745 goto out;
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	746 }
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	747
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	748 /* All checks passed */
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	749 ret = DROPBEAR_SUCCESS;
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	750
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	751 out:
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	752 buf_free(decodekey);
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	753 decodekey = NULL;
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	754 return ret;
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	755 }
095d689fed16 - Hostkey checking is mostly there, just aren't appending yet. Matt Johnston <matt@ucc.asn.au> parents: 44 diff changeset	756 #endif
1369 ddfcadca3c4c fuzzer-pubkey Matt Johnston <matt@ucc.asn.au> parents: 1362 diff changeset	757
1558 2f64cb3d3007 - #if not #ifdef for DROPBEAR_FUZZ Matt Johnston <matt@ucc.asn.au> parents: 1511 diff changeset	758 #if DROPBEAR_FUZZ
1369 ddfcadca3c4c fuzzer-pubkey Matt Johnston <matt@ucc.asn.au> parents: 1362 diff changeset	759 const char * const * fuzz_signkey_names = signkey_names;
ddfcadca3c4c fuzzer-pubkey Matt Johnston <matt@ucc.asn.au> parents: 1362 diff changeset	760
ddfcadca3c4c fuzzer-pubkey Matt Johnston <matt@ucc.asn.au> parents: 1362 diff changeset	761 #endif

Mercurial > dropbear

annotate signkey.c @ 1675:ae41624c2198