dropbear: cli-auth.c annotate

annotate cli-auth.c @ 686:983a817f8e41 insecure-nocrypto

- Only request "none" cipher after auth has succeeded

author	Matt Johnston <matt@ucc.asn.au>
date	Thu, 17 May 2012 20:52:57 +0800
parents	5af8993f7529
children	714b9106e335

rev	line source
74 e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 68 diff changeset	1 /*
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 68 diff changeset	2 * Dropbear SSH
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 68 diff changeset	3 *
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 68 diff changeset	4 * Copyright (c) 2002,2003 Matt Johnston
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 68 diff changeset	5 * Copyright (c) 2004 by Mihnea Stoenescu
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 68 diff changeset	6 * All rights reserved.
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 68 diff changeset	7 *
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 68 diff changeset	8 * Permission is hereby granted, free of charge, to any person obtaining a copy
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 68 diff changeset	9 * of this software and associated documentation files (the "Software"), to deal
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 68 diff changeset	10 * in the Software without restriction, including without limitation the rights
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 68 diff changeset	11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 68 diff changeset	12 * copies of the Software, and to permit persons to whom the Software is
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 68 diff changeset	13 * furnished to do so, subject to the following conditions:
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 68 diff changeset	14 *
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 68 diff changeset	15 * The above copyright notice and this permission notice shall be included in
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 68 diff changeset	16 * all copies or substantial portions of the Software.
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 68 diff changeset	17 *
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 68 diff changeset	18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 68 diff changeset	19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 68 diff changeset	20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 68 diff changeset	21 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 68 diff changeset	22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 68 diff changeset	23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 68 diff changeset	24 * SOFTWARE. */
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 68 diff changeset	25
33 f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	26 #include "includes.h"
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	27 #include "session.h"
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	28 #include "auth.h"
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	29 #include "dbutil.h"
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	30 #include "buffer.h"
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	31 #include "ssh.h"
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	32 #include "packet.h"
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	33 #include "runopts.h"
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	34
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	35 void cli_authinitialise() {
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	36
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	37 memset(&ses.authstate, 0, sizeof(ses.authstate));
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	38 }
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	39
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	40
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	41 /* Send a "none" auth request to get available methods */
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	42 void cli_auth_getmethods() {
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	43
165 0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place Matt Johnston <matt@ucc.asn.au> parents: 114 diff changeset	44 TRACE(("enter cli_auth_getmethods"))
33 f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	45
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	46 CHECKCLEARTOWRITE();
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	47
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	48 buf_putbyte(ses.writepayload, SSH_MSG_USERAUTH_REQUEST);
35 0ad5fb979f42 set the isserver flag (oops) Matt Johnston <matt@ucc.asn.au> parents: 34 diff changeset	49 buf_putstring(ses.writepayload, cli_opts.username,
0ad5fb979f42 set the isserver flag (oops) Matt Johnston <matt@ucc.asn.au> parents: 34 diff changeset	50 strlen(cli_opts.username));
33 f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	51 buf_putstring(ses.writepayload, SSH_SERVICE_CONNECTION,
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	52 SSH_SERVICE_CONNECTION_LEN);
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	53 buf_putstring(ses.writepayload, "none", 4); /* 'none' method */
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	54
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	55 encrypt_packet();
165 0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place Matt Johnston <matt@ucc.asn.au> parents: 114 diff changeset	56 TRACE(("leave cli_auth_getmethods"))
33 f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	57
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	58 }
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	59
43 942b22d7dd1c Banner printing Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	60 void recv_msg_userauth_banner() {
942b22d7dd1c Banner printing Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	61
942b22d7dd1c Banner printing Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	62 unsigned char* banner = NULL;
942b22d7dd1c Banner printing Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	63 unsigned int bannerlen;
942b22d7dd1c Banner printing Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	64 unsigned int i, linecount;
942b22d7dd1c Banner printing Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	65
165 0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place Matt Johnston <matt@ucc.asn.au> parents: 114 diff changeset	66 TRACE(("enter recv_msg_userauth_banner"))
43 942b22d7dd1c Banner printing Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	67 if (ses.authstate.authdone) {
165 0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place Matt Johnston <matt@ucc.asn.au> parents: 114 diff changeset	68 TRACE(("leave recv_msg_userauth_banner: banner after auth done"))
43 942b22d7dd1c Banner printing Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	69 return;
942b22d7dd1c Banner printing Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	70 }
942b22d7dd1c Banner printing Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	71
942b22d7dd1c Banner printing Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	72 banner = buf_getstring(ses.payload, &bannerlen);
942b22d7dd1c Banner printing Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	73 buf_eatstring(ses.payload); /* The language string */
942b22d7dd1c Banner printing Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	74
942b22d7dd1c Banner printing Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	75 if (bannerlen > MAX_BANNER_SIZE) {
165 0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place Matt Johnston <matt@ucc.asn.au> parents: 114 diff changeset	76 TRACE(("recv_msg_userauth_banner: bannerlen too long: %d", bannerlen))
43 942b22d7dd1c Banner printing Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	77 goto out;
942b22d7dd1c Banner printing Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	78 }
942b22d7dd1c Banner printing Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	79
942b22d7dd1c Banner printing Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	80 cleantext(banner);
942b22d7dd1c Banner printing Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	81
942b22d7dd1c Banner printing Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	82 /* Limit to 25 lines */
942b22d7dd1c Banner printing Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	83 linecount = 1;
942b22d7dd1c Banner printing Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	84 for (i = 0; i < bannerlen; i++) {
942b22d7dd1c Banner printing Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	85 if (banner[i] == '\n') {
942b22d7dd1c Banner printing Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	86 if (linecount >= MAX_BANNER_LINES) {
942b22d7dd1c Banner printing Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	87 banner[i] = '\0';
942b22d7dd1c Banner printing Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	88 break;
942b22d7dd1c Banner printing Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	89 }
942b22d7dd1c Banner printing Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	90 linecount++;
942b22d7dd1c Banner printing Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	91 }
942b22d7dd1c Banner printing Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	92 }
942b22d7dd1c Banner printing Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	93
545 00e619aa2f9a - Print banner to stderr. Probably the right way, and avoids Matt Johnston <matt@ucc.asn.au> parents: 501 diff changeset	94 fprintf(stderr, "%s\n", banner);
43 942b22d7dd1c Banner printing Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	95
942b22d7dd1c Banner printing Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	96 out:
942b22d7dd1c Banner printing Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	97 m_free(banner);
165 0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place Matt Johnston <matt@ucc.asn.au> parents: 114 diff changeset	98 TRACE(("leave recv_msg_userauth_banner"))
43 942b22d7dd1c Banner printing Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	99 }
942b22d7dd1c Banner printing Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	100
249 efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	101 /* This handles the message-specific types which
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	102 * all have a value of 60. These are
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	103 * SSH_MSG_USERAUTH_PASSWD_CHANGEREQ,
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	104 * SSH_MSG_USERAUTH_PK_OK, &
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	105 * SSH_MSG_USERAUTH_INFO_REQUEST. */
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	106 void recv_msg_userauth_specific_60() {
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	107
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	108 #ifdef ENABLE_CLI_PUBKEY_AUTH
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	109 if (cli_ses.lastauthtype == AUTH_TYPE_PUBKEY) {
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	110 recv_msg_userauth_pk_ok();
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	111 return;
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	112 }
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	113 #endif
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	114
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	115 #ifdef ENABLE_CLI_INTERACT_AUTH
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	116 if (cli_ses.lastauthtype == AUTH_TYPE_INTERACT) {
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	117 recv_msg_userauth_info_request();
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	118 return;
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	119 }
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	120 #endif
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	121
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	122 #ifdef ENABLE_CLI_PASSWORD_AUTH
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	123 if (cli_ses.lastauthtype == AUTH_TYPE_PASSWORD) {
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	124 /* Eventually there could be proper password-changing
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	125 * support. However currently few servers seem to
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	126 * implement it, and password auth is last-resort
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	127 * regardless - keyboard-interactive is more likely
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	128 * to be used anyway. */
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	129 dropbear_close("Your password has expired.");
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	130 }
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	131 #endif
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	132
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	133 dropbear_exit("Unexpected userauth packet");
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	134 }
43 942b22d7dd1c Banner printing Matt Johnston <matt@ucc.asn.au> parents: 40 diff changeset	135
33 f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	136 void recv_msg_userauth_failure() {
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	137
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	138 unsigned char * methods = NULL;
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	139 unsigned char * tok = NULL;
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	140 unsigned int methlen = 0;
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	141 unsigned int partial = 0;
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	142 unsigned int i = 0;
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	143
165 0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place Matt Johnston <matt@ucc.asn.au> parents: 114 diff changeset	144 TRACE(("<- MSG_USERAUTH_FAILURE"))
0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place Matt Johnston <matt@ucc.asn.au> parents: 114 diff changeset	145 TRACE(("enter recv_msg_userauth_failure"))
33 f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	146
45 9ee8996a375f Pubkey auth is mostly there for the client. Something strange with Matt Johnston <matt@ucc.asn.au> parents: 43 diff changeset	147 if (cli_ses.state != USERAUTH_REQ_SENT) {
9ee8996a375f Pubkey auth is mostly there for the client. Something strange with Matt Johnston <matt@ucc.asn.au> parents: 43 diff changeset	148 /* Perhaps we should be more fatal? */
249 efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	149 dropbear_exit("Unexpected userauth failure");
45 9ee8996a375f Pubkey auth is mostly there for the client. Something strange with Matt Johnston <matt@ucc.asn.au> parents: 43 diff changeset	150 }
9ee8996a375f Pubkey auth is mostly there for the client. Something strange with Matt Johnston <matt@ucc.asn.au> parents: 43 diff changeset	151
68 eee77ac31ccc cleaning up the pubkey defines Matt Johnston <matt@ucc.asn.au> parents: 45 diff changeset	152 #ifdef ENABLE_CLI_PUBKEY_AUTH
45 9ee8996a375f Pubkey auth is mostly there for the client. Something strange with Matt Johnston <matt@ucc.asn.au> parents: 43 diff changeset	153 /* If it was a pubkey auth request, we should cross that key
9ee8996a375f Pubkey auth is mostly there for the client. Something strange with Matt Johnston <matt@ucc.asn.au> parents: 43 diff changeset	154 * off the list. */
9ee8996a375f Pubkey auth is mostly there for the client. Something strange with Matt Johnston <matt@ucc.asn.au> parents: 43 diff changeset	155 if (cli_ses.lastauthtype == AUTH_TYPE_PUBKEY) {
9ee8996a375f Pubkey auth is mostly there for the client. Something strange with Matt Johnston <matt@ucc.asn.au> parents: 43 diff changeset	156 cli_pubkeyfail();
9ee8996a375f Pubkey auth is mostly there for the client. Something strange with Matt Johnston <matt@ucc.asn.au> parents: 43 diff changeset	157 }
9ee8996a375f Pubkey auth is mostly there for the client. Something strange with Matt Johnston <matt@ucc.asn.au> parents: 43 diff changeset	158 #endif
9ee8996a375f Pubkey auth is mostly there for the client. Something strange with Matt Johnston <matt@ucc.asn.au> parents: 43 diff changeset	159
249 efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	160 #ifdef ENABLE_CLI_INTERACT_AUTH
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	161 /* If we get a failure message for keyboard interactive without
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	162 * receiving any request info packet, then we don't bother trying
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	163 * keyboard interactive again */
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	164 if (cli_ses.lastauthtype == AUTH_TYPE_INTERACT
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	165 && !cli_ses.interact_request_received) {
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	166 TRACE(("setting auth_interact_failed = 1"))
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	167 cli_ses.auth_interact_failed = 1;
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	168 }
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	169 #endif
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	170
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	171 cli_ses.lastauthtype = AUTH_TYPE_NONE;
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	172
33 f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	173 methods = buf_getstring(ses.payload, &methlen);
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	174
179 161557a9dde8 * fix longstanding bug with connections being closed on failure to Matt Johnston <matt@ucc.asn.au> parents: 165 diff changeset	175 partial = buf_getbool(ses.payload);
33 f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	176
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	177 if (partial) {
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	178 dropbear_log(LOG_INFO, "Authentication partially succeeded, more attempts required");
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	179 } else {
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	180 ses.authstate.failcount++;
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	181 }
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	182
165 0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place Matt Johnston <matt@ucc.asn.au> parents: 114 diff changeset	183 TRACE(("Methods (len %d): '%s'", methlen, methods))
33 f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	184
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	185 ses.authstate.authdone=0;
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	186 ses.authstate.authtypes=0;
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	187
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	188 /* Split with nulls rather than commas */
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	189 for (i = 0; i < methlen; i++) {
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	190 if (methods[i] == ',') {
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	191 methods[i] = '\0';
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	192 }
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	193 }
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	194
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	195 tok = methods; /* tok stores the next method we'll compare */
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	196 for (i = 0; i <= methlen; i++) {
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	197 if (methods[i] == '\0') {
165 0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place Matt Johnston <matt@ucc.asn.au> parents: 114 diff changeset	198 TRACE(("auth method '%s'", tok))
68 eee77ac31ccc cleaning up the pubkey defines Matt Johnston <matt@ucc.asn.au> parents: 45 diff changeset	199 #ifdef ENABLE_CLI_PUBKEY_AUTH
33 f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	200 if (strncmp(AUTH_METHOD_PUBKEY, tok,
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	201 AUTH_METHOD_PUBKEY_LEN) == 0) {
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	202 ses.authstate.authtypes \|= AUTH_TYPE_PUBKEY;
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	203 }
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	204 #endif
249 efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	205 #ifdef ENABLE_CLI_INTERACT_AUTH
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	206 if (strncmp(AUTH_METHOD_INTERACT, tok,
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	207 AUTH_METHOD_INTERACT_LEN) == 0) {
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	208 ses.authstate.authtypes \|= AUTH_TYPE_INTERACT;
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	209 }
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	210 #endif
68 eee77ac31ccc cleaning up the pubkey defines Matt Johnston <matt@ucc.asn.au> parents: 45 diff changeset	211 #ifdef ENABLE_CLI_PASSWORD_AUTH
33 f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	212 if (strncmp(AUTH_METHOD_PASSWORD, tok,
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	213 AUTH_METHOD_PASSWORD_LEN) == 0) {
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	214 ses.authstate.authtypes \|= AUTH_TYPE_PASSWORD;
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	215 }
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	216 #endif
34 e2a1eaa19f22 Client mostly works up to password auth Matt Johnston <matt@ucc.asn.au> parents: 33 diff changeset	217 tok = &methods[i+1]; /* Must make sure we don't use it after the
e2a1eaa19f22 Client mostly works up to password auth Matt Johnston <matt@ucc.asn.au> parents: 33 diff changeset	218 last loop, since it'll point to something
e2a1eaa19f22 Client mostly works up to password auth Matt Johnston <matt@ucc.asn.au> parents: 33 diff changeset	219 undefined */
33 f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	220 }
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	221 }
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	222
114 2be6aa26a8c9 Leak found with MallocDebug - it's kinda useful Matt Johnston <matt@ucc.asn.au> parents: 74 diff changeset	223 m_free(methods);
2be6aa26a8c9 Leak found with MallocDebug - it's kinda useful Matt Johnston <matt@ucc.asn.au> parents: 74 diff changeset	224
33 f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	225 cli_ses.state = USERAUTH_FAIL_RCVD;
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	226
165 0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place Matt Johnston <matt@ucc.asn.au> parents: 114 diff changeset	227 TRACE(("leave recv_msg_userauth_failure"))
33 f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	228 }
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	229
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	230 void recv_msg_userauth_success() {
165 0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place Matt Johnston <matt@ucc.asn.au> parents: 114 diff changeset	231 TRACE(("received msg_userauth_success"))
501 d58c478bd399 Add support for [email protected] delayed compression. Matt Johnston <matt@ucc.asn.au> parents: 441 diff changeset	232 /* Note: in delayed-zlib mode, setting authdone here
d58c478bd399 Add support for [email protected] delayed compression. Matt Johnston <matt@ucc.asn.au> parents: 441 diff changeset	233 * will enable compression in the transport layer */
33 f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	234 ses.authstate.authdone = 1;
37 0913e2ee3545 we're nearly there yet Matt Johnston <matt@ucc.asn.au> parents: 35 diff changeset	235 cli_ses.state = USERAUTH_SUCCESS_RCVD;
249 efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	236 cli_ses.lastauthtype = AUTH_TYPE_NONE;
552 de3653483ac0 - Client auth using an agent's key works. Still need to implement client Matt Johnston <matt@ucc.asn.au> parents: 545 diff changeset	237
de3653483ac0 - Client auth using an agent's key works. Still need to implement client Matt Johnston <matt@ucc.asn.au> parents: 545 diff changeset	238 #ifdef ENABLE_CLI_PUBKEY_AUTH
de3653483ac0 - Client auth using an agent's key works. Still need to implement client Matt Johnston <matt@ucc.asn.au> parents: 545 diff changeset	239 cli_auth_pubkey_cleanup();
de3653483ac0 - Client auth using an agent's key works. Still need to implement client Matt Johnston <matt@ucc.asn.au> parents: 545 diff changeset	240 #endif
33 f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	241 }
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	242
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	243 void cli_auth_try() {
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	244
300 baea1d43e7eb Some cleanups/fixes for various TRACE statements Matt Johnston <matt@ucc.asn.au> parents: 268 diff changeset	245 int finished = 0;
165 0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place Matt Johnston <matt@ucc.asn.au> parents: 114 diff changeset	246 TRACE(("enter cli_auth_try"))
33 f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	247
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	248 CHECKCLEARTOWRITE();
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	249
249 efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	250 /* Order to try is pubkey, interactive, password.
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	251 * As soon as "finished" is set for one, we don't do any more. */
68 eee77ac31ccc cleaning up the pubkey defines Matt Johnston <matt@ucc.asn.au> parents: 45 diff changeset	252 #ifdef ENABLE_CLI_PUBKEY_AUTH
33 f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	253 if (ses.authstate.authtypes & AUTH_TYPE_PUBKEY) {
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	254 finished = cli_auth_pubkey();
45 9ee8996a375f Pubkey auth is mostly there for the client. Something strange with Matt Johnston <matt@ucc.asn.au> parents: 43 diff changeset	255 cli_ses.lastauthtype = AUTH_TYPE_PUBKEY;
33 f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	256 }
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	257 #endif
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	258
249 efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	259 #ifdef ENABLE_CLI_INTERACT_AUTH
681 a4b7627b3157 Update insecure-nocrypto to current head Matt Johnston <matt@ucc.asn.au> parents: 552 511 diff changeset	260 if (ses.keys->trans.algo_crypt->cipherdesc == NULL) {
252 29afa62b5450 - a hack for grahame to run dropbear with "none" cipher. Matt Johnston <matt@ucc.asn.au> parents: 249 diff changeset	261 fprintf(stderr, "Sorry, I won't let you use interactive auth unencrypted.\n");
686 983a817f8e41 - Only request "none" cipher after auth has succeeded Matt Johnston <matt@ucc.asn.au> parents: 685 diff changeset	262 } else if (!finished && ses.authstate.authtypes & AUTH_TYPE_INTERACT) {
249 efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	263 if (cli_ses.auth_interact_failed) {
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	264 finished = 0;
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	265 } else {
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	266 cli_auth_interactive();
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	267 cli_ses.lastauthtype = AUTH_TYPE_INTERACT;
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	268 finished = 1;
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	269 }
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	270 }
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	271 #endif
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	272
68 eee77ac31ccc cleaning up the pubkey defines Matt Johnston <matt@ucc.asn.au> parents: 45 diff changeset	273 #ifdef ENABLE_CLI_PASSWORD_AUTH
681 a4b7627b3157 Update insecure-nocrypto to current head Matt Johnston <matt@ucc.asn.au> parents: 552 511 diff changeset	274 if (ses.keys->trans.algo_crypt->cipherdesc == NULL) {
252 29afa62b5450 - a hack for grahame to run dropbear with "none" cipher. Matt Johnston <matt@ucc.asn.au> parents: 249 diff changeset	275 fprintf(stderr, "Sorry, I won't let you use password auth unencrypted.\n");
686 983a817f8e41 - Only request "none" cipher after auth has succeeded Matt Johnston <matt@ucc.asn.au> parents: 685 diff changeset	276 } else if (!finished && ses.authstate.authtypes & AUTH_TYPE_PASSWORD) {
249 efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	277 cli_auth_password();
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	278 finished = 1;
45 9ee8996a375f Pubkey auth is mostly there for the client. Something strange with Matt Johnston <matt@ucc.asn.au> parents: 43 diff changeset	279 cli_ses.lastauthtype = AUTH_TYPE_PASSWORD;
33 f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	280 }
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	281 #endif
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	282
249 efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	283 TRACE(("cli_auth_try lastauthtype %d", cli_ses.lastauthtype))
efbaf6b03837 added keyboard-interactive client support Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	284
33 f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	285 if (!finished) {
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	286 dropbear_exit("No auth methods could be used.");
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	287 }
f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	288
165 0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place Matt Johnston <matt@ucc.asn.au> parents: 114 diff changeset	289 TRACE(("leave cli_auth_try"))
33 f789045062e6 Progressing client support Matt Johnston <matt@ucc.asn.au> parents: diff changeset	290 }
268 475a818dd6e7 Cancel a dbclient password prompt if the user presses ctrl-c. Matt Johnston <matt@ucc.asn.au> parents: 249 diff changeset	291
475a818dd6e7 Cancel a dbclient password prompt if the user presses ctrl-c. Matt Johnston <matt@ucc.asn.au> parents: 249 diff changeset	292 /* A helper for getpass() that exits if the user cancels. The returned
475a818dd6e7 Cancel a dbclient password prompt if the user presses ctrl-c. Matt Johnston <matt@ucc.asn.au> parents: 249 diff changeset	293 * password is statically allocated by getpass() */
334 8f3ec7c104d9 Make the dbclient password prompt more useful Matt Johnston <matt@ucc.asn.au> parents: 300 diff changeset	294 char* getpass_or_cancel(char* prompt)
268 475a818dd6e7 Cancel a dbclient password prompt if the user presses ctrl-c. Matt Johnston <matt@ucc.asn.au> parents: 249 diff changeset	295 {
475a818dd6e7 Cancel a dbclient password prompt if the user presses ctrl-c. Matt Johnston <matt@ucc.asn.au> parents: 249 diff changeset	296 char* password = NULL;
441 fdf06a5a54e4 Allow reading dbclient password from an environment var Matt Johnston <matt@ucc.asn.au> parents: 334 diff changeset	297
fdf06a5a54e4 Allow reading dbclient password from an environment var Matt Johnston <matt@ucc.asn.au> parents: 334 diff changeset	298 #ifdef DROPBEAR_PASSWORD_ENV
fdf06a5a54e4 Allow reading dbclient password from an environment var Matt Johnston <matt@ucc.asn.au> parents: 334 diff changeset	299 /* Password provided in an environment var */
fdf06a5a54e4 Allow reading dbclient password from an environment var Matt Johnston <matt@ucc.asn.au> parents: 334 diff changeset	300 password = getenv(DROPBEAR_PASSWORD_ENV);
fdf06a5a54e4 Allow reading dbclient password from an environment var Matt Johnston <matt@ucc.asn.au> parents: 334 diff changeset	301 if (password)
fdf06a5a54e4 Allow reading dbclient password from an environment var Matt Johnston <matt@ucc.asn.au> parents: 334 diff changeset	302 {
fdf06a5a54e4 Allow reading dbclient password from an environment var Matt Johnston <matt@ucc.asn.au> parents: 334 diff changeset	303 return password;
fdf06a5a54e4 Allow reading dbclient password from an environment var Matt Johnston <matt@ucc.asn.au> parents: 334 diff changeset	304 }
fdf06a5a54e4 Allow reading dbclient password from an environment var Matt Johnston <matt@ucc.asn.au> parents: 334 diff changeset	305 #endif
268 475a818dd6e7 Cancel a dbclient password prompt if the user presses ctrl-c. Matt Johnston <matt@ucc.asn.au> parents: 249 diff changeset	306
334 8f3ec7c104d9 Make the dbclient password prompt more useful Matt Johnston <matt@ucc.asn.au> parents: 300 diff changeset	307 password = getpass(prompt);
268 475a818dd6e7 Cancel a dbclient password prompt if the user presses ctrl-c. Matt Johnston <matt@ucc.asn.au> parents: 249 diff changeset	308
475a818dd6e7 Cancel a dbclient password prompt if the user presses ctrl-c. Matt Johnston <matt@ucc.asn.au> parents: 249 diff changeset	309 /* 0x03 is a ctrl-c character in the buffer. */
475a818dd6e7 Cancel a dbclient password prompt if the user presses ctrl-c. Matt Johnston <matt@ucc.asn.au> parents: 249 diff changeset	310 if (password == NULL \|\| strchr(password, '\3') != NULL) {
475a818dd6e7 Cancel a dbclient password prompt if the user presses ctrl-c. Matt Johnston <matt@ucc.asn.au> parents: 249 diff changeset	311 dropbear_close("Interrupted.");
475a818dd6e7 Cancel a dbclient password prompt if the user presses ctrl-c. Matt Johnston <matt@ucc.asn.au> parents: 249 diff changeset	312 }
475a818dd6e7 Cancel a dbclient password prompt if the user presses ctrl-c. Matt Johnston <matt@ucc.asn.au> parents: 249 diff changeset	313 return password;
475a818dd6e7 Cancel a dbclient password prompt if the user presses ctrl-c. Matt Johnston <matt@ucc.asn.au> parents: 249 diff changeset	314 }

Mercurial > dropbear

annotate cli-auth.c @ 686:983a817f8e41 insecure-nocrypto