dropbear: dropbearkey.c annotate

annotate dropbearkey.c @ 1604:99ca393afc56

It turns out you can't have a single-quote in an #error

author	Matt Johnston <matt@ucc.asn.au>
date	Thu, 08 Mar 2018 22:37:54 +0800
parents	bdd3802c8ac6
children	d32bcb5c557d

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 /* The format of the keyfiles is basically a raw dump of the buffer. Data types
603 3aa74a4d83ae Refer to RFCs rather than drafts, update some section references Matt Johnston <matt@ucc.asn.au> parents: 457 diff changeset	26 * are specified in the transport rfc 4253 - string is a 32-bit len then the
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	27 * non-null-terminated string, mp_int is a 32-bit len then the bignum data.
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	28 * The actual functions are buf_put_rsa_priv_key() and buf_put_dss_priv_key()
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	29
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	30 * RSA:
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	31 * string "ssh-rsa"
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	32 * mp_int e
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	33 * mp_int n
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	34 * mp_int d
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	35 * mp_int p (newer versions only)
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	36 * mp_int q (newer versions only)
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	37 *
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	38 * DSS:
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	39 * string "ssh-dss"
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	40 * mp_int p
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	41 * mp_int q
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	42 * mp_int g
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	43 * mp_int y
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	44 * mp_int x
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	45 *
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	46 */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	47 #include "includes.h"
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	48 #include "signkey.h"
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	49 #include "buffer.h"
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	50 #include "dbutil.h"
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	51
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	52 #include "genrsa.h"
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	53 #include "gendss.h"
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 766 diff changeset	54 #include "ecdsa.h"
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 766 diff changeset	55 #include "crypto_desc.h"
858 220f55d540ae rename random.h to dbrandom.h since some OSes have a system random.h Matt Johnston <matt@ucc.asn.au> parents: 847 diff changeset	56 #include "dbrandom.h"
847 f4bb964c8678 Add '-R' for delayed hostkey option Matt Johnston <matt@ucc.asn.au> parents: 846 diff changeset	57 #include "gensignkey.h"
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	58
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	59 static void printhelp(char * progname);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	60
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	61
73 0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	62 static void printpubkey(sign_key * key, int keytype);
846 b298bb438625 refactor key generation, make it generate as required. Matt Johnston <matt@ucc.asn.au> parents: 841 diff changeset	63 static int printpubfile(const char* filename);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	64
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	65 /* Print a help message */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	66 static void printhelp(char * progname) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	67
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	68 fprintf(stderr, "Usage: %s -t <type> -f <filename> [-s bits]\n"
73 0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	69 "-t type Type of key to generate. One of:\n"
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1250 diff changeset	70 #if DROPBEAR_RSA
73 0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	71 " rsa\n"
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	72 #endif
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1250 diff changeset	73 #if DROPBEAR_DSS
73 0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	74 " dss\n"
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	75 #endif
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1250 diff changeset	76 #if DROPBEAR_ECDSA
797 45f1bc96f357 Fix build for dropbearkey and ecdsa with certain options Matt Johnston <matt@ucc.asn.au> parents: 795 diff changeset	77 " ecdsa\n"
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 766 diff changeset	78 #endif
995 6fb4c010c448 Default client key path ~/.ssh/id_dropbear Matt Johnston <matt@ucc.asn.au> parents: 858 diff changeset	79 "-f filename Use filename for the secret key.\n"
6fb4c010c448 Default client key path ~/.ssh/id_dropbear Matt Johnston <matt@ucc.asn.au> parents: 858 diff changeset	80 " ~/.ssh/id_dropbear is recommended for client keys.\n"
73 0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	81 "-s bits Key size in bits, should be a multiple of 8 (optional)\n"
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1250 diff changeset	82 #if DROPBEAR_DSS
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 766 diff changeset	83 " DSS has a fixed size of 1024 bits\n"
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 766 diff changeset	84 #endif
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1250 diff changeset	85 #if DROPBEAR_ECDSA
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 766 diff changeset	86 " ECDSA has sizes "
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1250 diff changeset	87 #if DROPBEAR_ECC_256
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 766 diff changeset	88 "256 "
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 766 diff changeset	89 #endif
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1250 diff changeset	90 #if DROPBEAR_ECC_384
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 766 diff changeset	91 "384 "
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 766 diff changeset	92 #endif
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1250 diff changeset	93 #if DROPBEAR_ECC_521
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 766 diff changeset	94 "521 "
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 766 diff changeset	95 #endif
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 766 diff changeset	96 "\n"
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 766 diff changeset	97 #endif
94 c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline Matt Johnston <matt@ucc.asn.au> parents: 73 diff changeset	98 "-y Just print the publickey and fingerprint for the\n private key in <filename>.\n"
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1250 diff changeset	99 #if DEBUG_TRACE
94 c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline Matt Johnston <matt@ucc.asn.au> parents: 73 diff changeset	100 "-v verbose\n"
c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline Matt Johnston <matt@ucc.asn.au> parents: 73 diff changeset	101 #endif
c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline Matt Johnston <matt@ucc.asn.au> parents: 73 diff changeset	102 ,progname);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	103 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	104
846 b298bb438625 refactor key generation, make it generate as required. Matt Johnston <matt@ucc.asn.au> parents: 841 diff changeset	105 /* fails fatally */
b298bb438625 refactor key generation, make it generate as required. Matt Johnston <matt@ucc.asn.au> parents: 841 diff changeset	106 static void check_signkey_bits(enum signkey_type type, int bits)
b298bb438625 refactor key generation, make it generate as required. Matt Johnston <matt@ucc.asn.au> parents: 841 diff changeset	107 {
1250 2bb4c662d1c2 more hard tab Francois Perrad <francois.perrad@gadz.org> parents: 1249 diff changeset	108 switch (type) {
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1250 diff changeset	109 #if DROPBEAR_RSA
1250 2bb4c662d1c2 more hard tab Francois Perrad <francois.perrad@gadz.org> parents: 1249 diff changeset	110 case DROPBEAR_SIGNKEY_RSA:
2bb4c662d1c2 more hard tab Francois Perrad <francois.perrad@gadz.org> parents: 1249 diff changeset	111 if (bits < 512 \|\| bits > 4096 \|\| (bits % 8 != 0)) {
2bb4c662d1c2 more hard tab Francois Perrad <francois.perrad@gadz.org> parents: 1249 diff changeset	112 dropbear_exit("Bits must satisfy 512 <= bits <= 4096, and be a"
2bb4c662d1c2 more hard tab Francois Perrad <francois.perrad@gadz.org> parents: 1249 diff changeset	113 " multiple of 8\n");
2bb4c662d1c2 more hard tab Francois Perrad <francois.perrad@gadz.org> parents: 1249 diff changeset	114 }
2bb4c662d1c2 more hard tab Francois Perrad <francois.perrad@gadz.org> parents: 1249 diff changeset	115 break;
846 b298bb438625 refactor key generation, make it generate as required. Matt Johnston <matt@ucc.asn.au> parents: 841 diff changeset	116 #endif
b298bb438625 refactor key generation, make it generate as required. Matt Johnston <matt@ucc.asn.au> parents: 841 diff changeset	117 #ifdef DROPEAR_DSS
1250 2bb4c662d1c2 more hard tab Francois Perrad <francois.perrad@gadz.org> parents: 1249 diff changeset	118 case DROPBEAR_SIGNKEY_DSS:
2bb4c662d1c2 more hard tab Francois Perrad <francois.perrad@gadz.org> parents: 1249 diff changeset	119 if (bits != 1024) {
2bb4c662d1c2 more hard tab Francois Perrad <francois.perrad@gadz.org> parents: 1249 diff changeset	120 dropbear_exit("DSS keys have a fixed size of 1024 bits\n");
2bb4c662d1c2 more hard tab Francois Perrad <francois.perrad@gadz.org> parents: 1249 diff changeset	121 exit(EXIT_FAILURE);
2bb4c662d1c2 more hard tab Francois Perrad <francois.perrad@gadz.org> parents: 1249 diff changeset	122 }
846 b298bb438625 refactor key generation, make it generate as required. Matt Johnston <matt@ucc.asn.au> parents: 841 diff changeset	123 #endif
1250 2bb4c662d1c2 more hard tab Francois Perrad <francois.perrad@gadz.org> parents: 1249 diff changeset	124 default:
2bb4c662d1c2 more hard tab Francois Perrad <francois.perrad@gadz.org> parents: 1249 diff changeset	125 (void)0; /* quiet, compiler. ecdsa handles checks itself */
2bb4c662d1c2 more hard tab Francois Perrad <francois.perrad@gadz.org> parents: 1249 diff changeset	126 }
846 b298bb438625 refactor key generation, make it generate as required. Matt Johnston <matt@ucc.asn.au> parents: 841 diff changeset	127 }
b298bb438625 refactor key generation, make it generate as required. Matt Johnston <matt@ucc.asn.au> parents: 841 diff changeset	128
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1250 diff changeset	129 #if defined(DBMULTI_dropbearkey) \|\| !DROPBEAR_MULTI
750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1250 diff changeset	130 #if defined(DBMULTI_dropbearkey) && DROPBEAR_MULTI
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	131 int dropbearkey_main(int argc, char ** argv) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	132 #else
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	133 int main(int argc, char ** argv) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	134 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	135
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	136 int i;
1404 e8f67918fdc9 when pointer, use NULL instead of 0 Francois Perrad <francois.perrad@gadz.org> parents: 1343 diff changeset	137 char ** next = NULL;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	138 char * filename = NULL;
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 766 diff changeset	139 enum signkey_type keytype = DROPBEAR_SIGNKEY_NONE;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	140 char * typetext = NULL;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	141 char * sizetext = NULL;
1438 4f8eb331174f add configuration option for default RSA size. Matt Johnston <matt@ucc.asn.au> parents: 1404 diff changeset	142 unsigned int bits = 0, genbits;
73 0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	143 int printpub = 0;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	144
795 7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 794 diff changeset	145 crypto_init();
7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 794 diff changeset	146 seedrandom();
7f604f9b3756 ecdsa is working Matt Johnston <matt@ucc.asn.au> parents: 794 diff changeset	147
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	148 /* get the commandline options */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	149 for (i = 1; i < argc; i++) {
73 0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	150 if (argv[i] == NULL) {
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	151 continue; /* Whack */
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	152 }
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	153 if (next) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	154 *next = argv[i];
73 0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	155 next = NULL;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	156 continue;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	157 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	158
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	159 if (argv[i][0] == '-') {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	160 switch (argv[i][1]) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	161 case 'f':
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	162 next = &filename;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	163 break;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	164 case 't':
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	165 next = &typetext;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	166 break;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	167 case 's':
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	168 next = &sizetext;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	169 break;
73 0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	170 case 'y':
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	171 printpub = 1;
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	172 break;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	173 case 'h':
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	174 printhelp(argv[0]);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	175 exit(EXIT_SUCCESS);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	176 break;
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1250 diff changeset	177 #if DEBUG_TRACE
94 c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline Matt Johnston <matt@ucc.asn.au> parents: 73 diff changeset	178 case 'v':
c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline Matt Johnston <matt@ucc.asn.au> parents: 73 diff changeset	179 debug_trace = 1;
c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline Matt Johnston <matt@ucc.asn.au> parents: 73 diff changeset	180 break;
c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline Matt Johnston <matt@ucc.asn.au> parents: 73 diff changeset	181 #endif
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	182 default:
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	183 fprintf(stderr, "Unknown argument %s\n", argv[i]);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	184 printhelp(argv[0]);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	185 exit(EXIT_FAILURE);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	186 break;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	187 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	188 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	189 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	190
73 0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	191 if (!filename) {
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	192 fprintf(stderr, "Must specify a key filename\n");
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	193 printhelp(argv[0]);
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	194 exit(EXIT_FAILURE);
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	195 }
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	196
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	197 if (printpub) {
846 b298bb438625 refactor key generation, make it generate as required. Matt Johnston <matt@ucc.asn.au> parents: 841 diff changeset	198 int ret = printpubfile(filename);
b298bb438625 refactor key generation, make it generate as required. Matt Johnston <matt@ucc.asn.au> parents: 841 diff changeset	199 exit(ret);
73 0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	200 }
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	201
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	202 /* check/parse args */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	203 if (!typetext) {
73 0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	204 fprintf(stderr, "Must specify key type\n");
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	205 printhelp(argv[0]);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	206 exit(EXIT_FAILURE);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	207 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	208
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1250 diff changeset	209 #if DROPBEAR_RSA
841 d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 840 diff changeset	210 if (strcmp(typetext, "rsa") == 0)
d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 840 diff changeset	211 {
d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 840 diff changeset	212 keytype = DROPBEAR_SIGNKEY_RSA;
d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 840 diff changeset	213 }
d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 840 diff changeset	214 #endif
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1250 diff changeset	215 #if DROPBEAR_DSS
841 d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 840 diff changeset	216 if (strcmp(typetext, "dss") == 0)
d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 840 diff changeset	217 {
d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 840 diff changeset	218 keytype = DROPBEAR_SIGNKEY_DSS;
d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 840 diff changeset	219 }
d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 840 diff changeset	220 #endif
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1250 diff changeset	221 #if DROPBEAR_ECDSA
841 d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 840 diff changeset	222 if (strcmp(typetext, "ecdsa") == 0)
d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 840 diff changeset	223 {
d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 840 diff changeset	224 keytype = DROPBEAR_SIGNKEY_ECDSA_KEYGEN;
d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 840 diff changeset	225 }
d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 840 diff changeset	226 #endif
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 766 diff changeset	227
d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 766 diff changeset	228 if (keytype == DROPBEAR_SIGNKEY_NONE) {
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	229 fprintf(stderr, "Unknown key type '%s'\n", typetext);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	230 printhelp(argv[0]);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	231 exit(EXIT_FAILURE);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	232 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	233
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	234 if (sizetext) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	235 if (sscanf(sizetext, "%u", &bits) != 1) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	236 fprintf(stderr, "Bits must be an integer\n");
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	237 exit(EXIT_FAILURE);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	238 }
457 e430a26064ee Make dropbearkey only generate 1024 bit keys Matt Johnston <matt@ucc.asn.au> parents: 340 diff changeset	239
846 b298bb438625 refactor key generation, make it generate as required. Matt Johnston <matt@ucc.asn.au> parents: 841 diff changeset	240 check_signkey_bits(keytype, bits);;
1249 c6346c63281b refactor indentation with hard tab Francois Perrad <francois.perrad@gadz.org> parents: 995 diff changeset	241 }
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	242
1438 4f8eb331174f add configuration option for default RSA size. Matt Johnston <matt@ucc.asn.au> parents: 1404 diff changeset	243 genbits = signkey_generate_get_bits(keytype, bits);
1458 bdd3802c8ac6 fix format Francois Perrad <francois.perrad@gadz.org> parents: 1438 diff changeset	244 fprintf(stderr, "Generating %u bit %s key, this may take a while...\n", genbits, typetext);
1329 185c14fa504d Use atomic key generation in all cases Matt Johnston <matt@ucc.asn.au> parents: 1295 diff changeset	245 if (signkey_generate(keytype, bits, filename, 0) == DROPBEAR_FAILURE)
1249 c6346c63281b refactor indentation with hard tab Francois Perrad <francois.perrad@gadz.org> parents: 995 diff changeset	246 {
c6346c63281b refactor indentation with hard tab Francois Perrad <francois.perrad@gadz.org> parents: 995 diff changeset	247 dropbear_exit("Failed to generate key.\n");
c6346c63281b refactor indentation with hard tab Francois Perrad <francois.perrad@gadz.org> parents: 995 diff changeset	248 }
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	249
846 b298bb438625 refactor key generation, make it generate as required. Matt Johnston <matt@ucc.asn.au> parents: 841 diff changeset	250 printpubfile(filename);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	251
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	252 return EXIT_SUCCESS;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	253 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	254 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	255
846 b298bb438625 refactor key generation, make it generate as required. Matt Johnston <matt@ucc.asn.au> parents: 841 diff changeset	256 static int printpubfile(const char* filename) {
73 0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	257
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	258 buffer *buf = NULL;
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	259 sign_key *key = NULL;
841 d4ce5269a439 Fix specifying a keysize for key generation, fix key name arguments Matt Johnston <matt@ucc.asn.au> parents: 840 diff changeset	260 enum signkey_type keytype;
73 0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	261 int ret;
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	262 int err = DROPBEAR_FAILURE;
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	263
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	264 buf = buf_new(MAX_PRIVKEY_SIZE);
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	265 ret = buf_readfile(buf, filename);
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	266
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	267 if (ret != DROPBEAR_SUCCESS) {
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	268 fprintf(stderr, "Failed reading '%s'\n", filename);
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	269 goto out;
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	270 }
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	271
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	272 key = new_sign_key();
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	273 keytype = DROPBEAR_SIGNKEY_ANY;
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	274
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	275 buf_setpos(buf, 0);
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	276 ret = buf_get_priv_key(buf, key, &keytype);
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	277 if (ret == DROPBEAR_FAILURE) {
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	278 fprintf(stderr, "Bad key in '%s'\n", filename);
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	279 goto out;
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	280 }
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	281
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	282 printpubkey(key, keytype);
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	283
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	284 err = DROPBEAR_SUCCESS;
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	285
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	286 out:
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	287 buf_burn(buf);
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	288 buf_free(buf);
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	289 buf = NULL;
340 454a34b2dfd1 Fixes from Erik Hovland: Matt Johnston <matt@ucc.asn.au> parents: 325 diff changeset	290 if (key) {
454a34b2dfd1 Fixes from Erik Hovland: Matt Johnston <matt@ucc.asn.au> parents: 325 diff changeset	291 sign_key_free(key);
454a34b2dfd1 Fixes from Erik Hovland: Matt Johnston <matt@ucc.asn.au> parents: 325 diff changeset	292 key = NULL;
454a34b2dfd1 Fixes from Erik Hovland: Matt Johnston <matt@ucc.asn.au> parents: 325 diff changeset	293 }
846 b298bb438625 refactor key generation, make it generate as required. Matt Johnston <matt@ucc.asn.au> parents: 841 diff changeset	294 return err;
73 0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	295 }
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	296
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	297 static void printpubkey(sign_key * key, int keytype) {
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	298
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	299 buffer * buf = NULL;
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	300 unsigned char base64key[MAX_PUBKEY_SIZE*2];
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	301 unsigned long base64len;
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	302 int err;
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	303 const char * typestring = NULL;
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	304 char *fp = NULL;
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	305 int len;
324 bc7c134982df Include user@host in the pubkey line, since it's sometimes very useful Matt Johnston <matt@ucc.asn.au> parents: 165 diff changeset	306 struct passwd * pw = NULL;
bc7c134982df Include user@host in the pubkey line, since it's sometimes very useful Matt Johnston <matt@ucc.asn.au> parents: 165 diff changeset	307 char * username = NULL;
bc7c134982df Include user@host in the pubkey line, since it's sometimes very useful Matt Johnston <matt@ucc.asn.au> parents: 165 diff changeset	308 char hostname[100];
73 0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	309
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	310 buf = buf_new(MAX_PUBKEY_SIZE);
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	311 buf_put_pub_key(buf, key, keytype);
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	312 buf_setpos(buf, 4);
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	313
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	314 len = buf->len - buf->pos;
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	315
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	316 base64len = sizeof(base64key);
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	317 err = base64_encode(buf_getptr(buf, len), len, base64key, &base64len);
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	318
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	319 if (err != CRYPT_OK) {
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	320 fprintf(stderr, "base64 failed");
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	321 }
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	322
794 d386defb5376 more ecdsa signkey work, not correct Matt Johnston <matt@ucc.asn.au> parents: 766 diff changeset	323 typestring = signkey_name_from_type(keytype, NULL);
73 0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	324
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	325 fp = sign_key_fingerprint(buf_getptr(buf, len), len);
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	326
324 bc7c134982df Include user@host in the pubkey line, since it's sometimes very useful Matt Johnston <matt@ucc.asn.au> parents: 165 diff changeset	327 /* a user@host comment is informative */
bc7c134982df Include user@host in the pubkey line, since it's sometimes very useful Matt Johnston <matt@ucc.asn.au> parents: 165 diff changeset	328 username = "";
bc7c134982df Include user@host in the pubkey line, since it's sometimes very useful Matt Johnston <matt@ucc.asn.au> parents: 165 diff changeset	329 pw = getpwuid(getuid());
325 0e4f225b7e07 Add -N "no remote command" dbclient option. Matt Johnston <matt@ucc.asn.au> parents: 324 diff changeset	330 if (pw) {
324 bc7c134982df Include user@host in the pubkey line, since it's sometimes very useful Matt Johnston <matt@ucc.asn.au> parents: 165 diff changeset	331 username = pw->pw_name;
bc7c134982df Include user@host in the pubkey line, since it's sometimes very useful Matt Johnston <matt@ucc.asn.au> parents: 165 diff changeset	332 }
bc7c134982df Include user@host in the pubkey line, since it's sometimes very useful Matt Johnston <matt@ucc.asn.au> parents: 165 diff changeset	333
bc7c134982df Include user@host in the pubkey line, since it's sometimes very useful Matt Johnston <matt@ucc.asn.au> parents: 165 diff changeset	334 gethostname(hostname, sizeof(hostname));
bc7c134982df Include user@host in the pubkey line, since it's sometimes very useful Matt Johnston <matt@ucc.asn.au> parents: 165 diff changeset	335 hostname[sizeof(hostname)-1] = '\0';
bc7c134982df Include user@host in the pubkey line, since it's sometimes very useful Matt Johnston <matt@ucc.asn.au> parents: 165 diff changeset	336
bc7c134982df Include user@host in the pubkey line, since it's sometimes very useful Matt Johnston <matt@ucc.asn.au> parents: 165 diff changeset	337 printf("Public key portion is:\n%s %s %s@%s\nFingerprint: %s\n",
bc7c134982df Include user@host in the pubkey line, since it's sometimes very useful Matt Johnston <matt@ucc.asn.au> parents: 165 diff changeset	338 typestring, base64key, username, hostname, fp);
73 0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	339
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	340 m_free(fp);
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	341 buf_free(buf);
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	342 }

Mercurial > dropbear

annotate dropbearkey.c @ 1604:99ca393afc56