dropbear: dropbearkey.c annotate

annotate dropbearkey.c @ 447:278805938dcf

Patch from Nicolai Ehemann to try binding before going to the background, so that if it exits early (because something's already listening etc) then it will return an exitcode of 1.

author	Matt Johnston <matt@ucc.asn.au>
date	Thu, 19 Jul 2007 15:54:18 +0000
parents	454a34b2dfd1
children	e430a26064ee

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
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	26 * are specified in the transport draft - string is a 32-bit len then the
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"
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	54
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	55 static void printhelp(char * progname);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	56
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	57 #define RSA_SIZE (1024/8) /* 1024 bit */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	58 #define DSS_SIZE (1024/8) /* 1024 bit */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	59
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	60 static void buf_writefile(buffer * buf, const char * filename);
73 0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	61 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	62 static void justprintpub(const char* filename);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	63
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	64 /* Print a help message */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	65 static void printhelp(char * progname) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	66
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	67 fprintf(stderr, "Usage: %s -t <type> -f <filename> [-s bits]\n"
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	68 "Options are:\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"
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	70 #ifdef 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
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	73 #ifdef 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
73 0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	76 "-f filename Use filename for the secret key\n"
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	77 "-s bits Key size in bits, should be a multiple of 8 (optional)\n"
94 c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline Matt Johnston <matt@ucc.asn.au> parents: 73 diff changeset	78 "-y Just print the publickey and fingerprint for the\n private key in <filename>.\n"
c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline Matt Johnston <matt@ucc.asn.au> parents: 73 diff changeset	79 #ifdef DEBUG_TRACE
c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline Matt Johnston <matt@ucc.asn.au> parents: 73 diff changeset	80 "-v verbose\n"
c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline Matt Johnston <matt@ucc.asn.au> parents: 73 diff changeset	81 #endif
c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline Matt Johnston <matt@ucc.asn.au> parents: 73 diff changeset	82 ,progname);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	83 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	84
30 223b0f5f8dce Switching to the magical new Makefile, and new dbmulti style Matt Johnston <matt@ucc.asn.au> parents: 4 diff changeset	85 #if defined(DBMULTI_dropbearkey) \|\| !defined(DROPBEAR_MULTI)
223b0f5f8dce Switching to the magical new Makefile, and new dbmulti style Matt Johnston <matt@ucc.asn.au> parents: 4 diff changeset	86 #if defined(DBMULTI_dropbearkey) && defined(DROPBEAR_MULTI)
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	87 int dropbearkey_main(int argc, char ** argv) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	88 #else
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	89 int main(int argc, char ** argv) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	90 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	91
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	92 int i;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	93 char ** next = 0;
73 0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	94 sign_key *key = NULL;
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	95 buffer *buf = NULL;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	96 char * filename = NULL;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	97 int keytype = -1;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	98 char * typetext = NULL;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	99 char * sizetext = NULL;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	100 unsigned int bits;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	101 unsigned int keysize;
73 0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	102 int printpub = 0;
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 /* get the commandline options */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	105 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	106 if (argv[i] == NULL) {
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	107 continue; /* Whack */
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	108 }
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	109 if (next) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	110 *next = argv[i];
73 0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	111 next = NULL;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	112 continue;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	113 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	114
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	115 if (argv[i][0] == '-') {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	116 switch (argv[i][1]) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	117 case 'f':
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	118 next = &filename;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	119 break;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	120 case 't':
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	121 next = &typetext;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	122 break;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	123 case 's':
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	124 next = &sizetext;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	125 break;
73 0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	126 case 'y':
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	127 printpub = 1;
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	128 break;
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	129 case 'h':
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	130 printhelp(argv[0]);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	131 exit(EXIT_SUCCESS);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	132 break;
94 c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline Matt Johnston <matt@ucc.asn.au> parents: 73 diff changeset	133 #ifdef DEBUG_TRACE
c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline Matt Johnston <matt@ucc.asn.au> parents: 73 diff changeset	134 case 'v':
c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline Matt Johnston <matt@ucc.asn.au> parents: 73 diff changeset	135 debug_trace = 1;
c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline Matt Johnston <matt@ucc.asn.au> parents: 73 diff changeset	136 break;
c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline Matt Johnston <matt@ucc.asn.au> parents: 73 diff changeset	137 #endif
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	138 default:
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	139 fprintf(stderr, "Unknown argument %s\n", argv[i]);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	140 printhelp(argv[0]);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	141 exit(EXIT_FAILURE);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	142 break;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	143 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	144 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	145 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	146
73 0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	147 if (!filename) {
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	148 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	149 printhelp(argv[0]);
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	150 exit(EXIT_FAILURE);
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	151 }
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	152
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	153 if (printpub) {
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	154 justprintpub(filename);
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	155 /* Not reached */
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	156 }
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	157
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	158 /* check/parse args */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	159 if (!typetext) {
73 0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	160 fprintf(stderr, "Must specify key type\n");
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	161 printhelp(argv[0]);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	162 exit(EXIT_FAILURE);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	163 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	164
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	165 if (strlen(typetext) == 3) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	166 #ifdef DROPBEAR_RSA
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	167 if (strncmp(typetext, "rsa", 3) == 0) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	168 keytype = DROPBEAR_SIGNKEY_RSA;
165 0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place Matt Johnston <matt@ucc.asn.au> parents: 94 diff changeset	169 TRACE(("type is rsa"))
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	170 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	171 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	172 #ifdef DROPBEAR_DSS
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	173 if (strncmp(typetext, "dss", 3) == 0) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	174 keytype = DROPBEAR_SIGNKEY_DSS;
165 0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place Matt Johnston <matt@ucc.asn.au> parents: 94 diff changeset	175 TRACE(("type is dss"))
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	176 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	177 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	178 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	179 if (keytype == -1) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	180 fprintf(stderr, "Unknown key type '%s'\n", typetext);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	181 printhelp(argv[0]);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	182 exit(EXIT_FAILURE);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	183 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	184
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	185 if (sizetext) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	186 if (sscanf(sizetext, "%u", &bits) != 1) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	187 fprintf(stderr, "Bits must be an integer\n");
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	188 exit(EXIT_FAILURE);
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
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	191 if (bits < 512 \|\| bits > 4096 \|\| (bits % 8 != 0)) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	192 fprintf(stderr, "Bits must satisfy 512 <= bits <= 4096, and be a"
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	193 " multiple of 8\n");
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	194 exit(EXIT_FAILURE);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	195 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	196
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	197 keysize = bits / 8;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	198 } else {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	199 if (keytype == DROPBEAR_SIGNKEY_DSS) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	200 keysize = DSS_SIZE;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	201 } else if (keytype == DROPBEAR_SIGNKEY_RSA) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	202 keysize = RSA_SIZE;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	203 } else {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	204 exit(EXIT_FAILURE); /* not reached */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	205 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	206 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	207
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	208
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	209 fprintf(stderr, "Will output %d bit %s secret key to '%s'\n", keysize*8,
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	210 typetext, filename);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	211
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	212 /* don't want the file readable by others */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	213 umask(077);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	214
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	215 /* now we can generate the key */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	216 key = new_sign_key();
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	217
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	218 fprintf(stderr, "Generating key, this may take a while...\n");
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	219 switch(keytype) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	220 #ifdef DROPBEAR_RSA
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	221 case DROPBEAR_SIGNKEY_RSA:
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	222 key->rsakey = gen_rsa_priv_key(keysize); /* 128 bytes = 1024 bit */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	223 break;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	224 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	225 #ifdef DROPBEAR_DSS
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	226 case DROPBEAR_SIGNKEY_DSS:
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	227 key->dsskey = gen_dss_priv_key(keysize); /* 128 bytes = 1024 bit */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	228 break;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	229 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	230 default:
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	231 fprintf(stderr, "Internal error, bad key type\n");
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	232 exit(EXIT_FAILURE);
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
73 0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	235 buf = buf_new(MAX_PRIVKEY_SIZE);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	236
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	237 buf_put_priv_key(buf, key, keytype);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	238 buf_setpos(buf, 0);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	239 buf_writefile(buf, filename);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	240
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	241 buf_burn(buf);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	242 buf_free(buf);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	243
73 0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	244 printpubkey(key, keytype);
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	245
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	246 sign_key_free(key);
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	247
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	248 return EXIT_SUCCESS;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	249 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	250 #endif
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	251
73 0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	252 static void justprintpub(const char* filename) {
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	253
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	254 buffer *buf = NULL;
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	255 sign_key *key = NULL;
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	256 int keytype;
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	257 int ret;
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	258 int err = DROPBEAR_FAILURE;
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	259
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	260 buf = buf_new(MAX_PRIVKEY_SIZE);
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	261 ret = buf_readfile(buf, filename);
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	262
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	263 if (ret != DROPBEAR_SUCCESS) {
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	264 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	265 goto out;
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
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	268 key = new_sign_key();
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	269 keytype = DROPBEAR_SIGNKEY_ANY;
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 buf_setpos(buf, 0);
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	272 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	273 if (ret == DROPBEAR_FAILURE) {
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	274 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	275 goto out;
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	276 }
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	277
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	278 printpubkey(key, keytype);
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	279
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	280 err = DROPBEAR_SUCCESS;
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 out:
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	283 buf_burn(buf);
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	284 buf_free(buf);
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	285 buf = NULL;
340 454a34b2dfd1 Fixes from Erik Hovland: Matt Johnston <matt@ucc.asn.au> parents: 325 diff changeset	286 if (key) {
454a34b2dfd1 Fixes from Erik Hovland: Matt Johnston <matt@ucc.asn.au> parents: 325 diff changeset	287 sign_key_free(key);
454a34b2dfd1 Fixes from Erik Hovland: Matt Johnston <matt@ucc.asn.au> parents: 325 diff changeset	288 key = NULL;
454a34b2dfd1 Fixes from Erik Hovland: Matt Johnston <matt@ucc.asn.au> parents: 325 diff changeset	289 }
73 0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	290 exit(err);
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	291 }
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	292
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	293 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	294
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	295 buffer * buf = NULL;
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	296 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	297 unsigned long base64len;
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	298 int err;
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	299 const char * typestring = NULL;
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	300 char *fp = NULL;
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	301 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	302 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	303 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	304 char hostname[100];
73 0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	305
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	306 buf = buf_new(MAX_PUBKEY_SIZE);
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	307 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	308 buf_setpos(buf, 4);
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 len = buf->len - buf->pos;
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	311
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	312 base64len = sizeof(base64key);
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	313 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	314
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	315 if (err != CRYPT_OK) {
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	316 fprintf(stderr, "base64 failed");
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	317 }
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 typestring = signkey_name_from_type(keytype, &err);
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	320
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	321 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	322
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	323 /* 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	324 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	325 pw = getpwuid(getuid());
325 0e4f225b7e07 Add -N "no remote command" dbclient option. Matt Johnston <matt@ucc.asn.au> parents: 324 diff changeset	326 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	327 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	328 }
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
bc7c134982df Include user@host in the pubkey line, since it's sometimes very useful Matt Johnston <matt@ucc.asn.au> parents: 165 diff changeset	330 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	331 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	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 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	334 typestring, base64key, username, hostname, fp);
73 0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	335
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	336 m_free(fp);
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	337 buf_free(buf);
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	338 }
0bf5cebe622c Dropbearkey can now print out pubkey portions Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	339
4 fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	340 /* Write a buffer to a file specified, failing if the file exists */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	341 static void buf_writefile(buffer * buf, const char * filename) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	342
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	343 int fd;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	344 int len;
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	345
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	346 fd = open(filename, O_RDWR \| O_CREAT \| O_EXCL, S_IRUSR \| S_IWUSR);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	347 if (fd < 0) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	348 fprintf(stderr, "Couldn't create new file %s\n", filename);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	349 perror("Reason");
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	350 buf_burn(buf);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	351 exit(EXIT_FAILURE);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	352 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	353
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	354 /* write the file now */
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	355 while (buf->pos != buf->len) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	356 len = write(fd, buf_getptr(buf, buf->len - buf->pos),
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	357 buf->len - buf->pos);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	358 if (errno == EINTR) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	359 continue;
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 if (len <= 0) {
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	362 fprintf(stderr, "Failed writing file '%s'\n",filename);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	363 perror("Reason");
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	364 exit(EXIT_FAILURE);
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 buf_incrpos(buf, len);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	367 }
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	368
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	369 close(fd);
fe6bca95afa7 Makefile.in contains updated files required Matt Johnston <matt@ucc.asn.au> parents: diff changeset	370 }

Mercurial > dropbear

annotate dropbearkey.c @ 447:278805938dcf