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annotate runopts.h @ 1410:771e4a7051e0

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improve value range validation
author Matt Johnston <matt@ucc.asn.au>
date Wed, 14 Jun 2017 23:31:15 +0800
parents 750ec4ec4cbe
children 3fdd8c5a0195 517c67cbcd31
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1 /*
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2 * Dropbear - a SSH2 server
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3 *
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4 * Copyright (c) 2002,2003 Matt Johnston
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5 * All rights reserved.
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6 *
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7 * Permission is hereby granted, free of charge, to any person obtaining a copy
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8 * of this software and associated documentation files (the "Software"), to deal
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9 * in the Software without restriction, including without limitation the rights
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10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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11 * copies of the Software, and to permit persons to whom the Software is
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12 * furnished to do so, subject to the following conditions:
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13 *
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14 * The above copyright notice and this permission notice shall be included in
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15 * all copies or substantial portions of the Software.
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16 *
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17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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23 * SOFTWARE. */
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24
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25 #ifndef DROPBEAR_RUNOPTS_H_
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26 #define DROPBEAR_RUNOPTS_H_
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28 #include "includes.h"
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29 #include "signkey.h"
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30 #include "buffer.h"
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31 #include "auth.h"
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32 #include "tcpfwd.h"
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33
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34 typedef struct runopts {
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35
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36 #if DROPBEAR_SVR_REMOTETCPFWD || DROPBEAR_CLI_LOCALTCPFWD \
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37 || DROPBEAR_CLI_REMOTETCPFWD
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38 int listen_fwd_all;
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39 #endif
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40 unsigned int recv_window;
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41 time_t keepalive_secs; /* Time between sending keepalives. 0 is off */
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42 time_t idle_timeout_secs; /* Exit if no traffic is sent/received in this time */
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43 int usingsyslog;
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44
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45 #ifndef DISABLE_ZLIB
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46 /* TODO: add a commandline flag. Currently this is on by default if compression
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47 * is compiled in, but disabled for a client's non-final multihop stages. (The
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48 * intermediate stages are compressed streams, so are uncompressible. */
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49 enum {
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50 DROPBEAR_COMPRESS_DELAYED, /* Server only */
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51 DROPBEAR_COMPRESS_ON,
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52 DROPBEAR_COMPRESS_OFF,
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53 } compress_mode;
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54 #endif
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55
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56 #if DROPBEAR_USER_ALGO_LIST
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57 char *cipher_list;
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58 char *mac_list;
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59 #endif
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60
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61 } runopts;
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62
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63 extern runopts opts;
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64
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65 int readhostkey(const char * filename, sign_key * hostkey,
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66 enum signkey_type *type);
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67 void load_all_hostkeys(void);
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69 typedef struct svr_runopts {
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71 char * bannerfile;
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72
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73 int forkbg;
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74
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75 /* ports and addresses are arrays of the portcount
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76 listening ports. strings are malloced. */
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77 char *ports[DROPBEAR_MAX_PORTS];
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78 unsigned int portcount;
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79 char *addresses[DROPBEAR_MAX_PORTS];
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80
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81 int inetdmode;
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82
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83 /* Flags indicating whether to use ipv4 and ipv6 */
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84 /* not used yet
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85 int ipv4;
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86 int ipv6;
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87 */
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88
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89 #ifdef DO_MOTD
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90 /* whether to print the MOTD */
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91 int domotd;
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92 #endif
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93
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94 int norootlogin;
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95
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96 int noauthpass;
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97 int norootpass;
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98 int allowblankpass;
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99
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100 #if DROPBEAR_SVR_REMOTETCPFWD
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101 int noremotetcp;
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102 #endif
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103 #if DROPBEAR_SVR_LOCALTCPFWD
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104 int nolocaltcp;
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105 #endif
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106
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107 sign_key *hostkey;
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108
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109 int delay_hostkey;
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110
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111 char *hostkey_files[MAX_HOSTKEYS];
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112 int num_hostkey_files;
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113
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114 buffer * banner;
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115 char * pidfile;
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116
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117 char * forced_command;
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118
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119 } svr_runopts;
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120
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121 extern svr_runopts svr_opts;
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122
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123 void svr_getopts(int argc, char ** argv);
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124 void loadhostkeys(void);
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125
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126 typedef struct cli_runopts {
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127
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128 char *progname;
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129 char *remotehost;
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130 char *remoteport;
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131
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132 char *own_user;
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133 char *username;
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134
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135 char *cmd;
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136 int wantpty;
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137 int always_accept_key;
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138 int no_hostkey_check;
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139 int no_cmd;
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140 int backgrounded;
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141 int is_subsystem;
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142 #if DROPBEAR_CLI_PUBKEY_AUTH
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143 m_list *privkeys; /* Keys to use for public-key auth */
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144 #endif
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145 #if DROPBEAR_CLI_ANYTCPFWD
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146 int exit_on_fwd_failure;
2907c658fa76 Implemented ExitOnForwardFailure option for local and remote forwarding.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1194
diff changeset
147 #endif
1295
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Matt Johnston <matt@ucc.asn.au>
parents: 1289
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148 #if DROPBEAR_CLI_REMOTETCPFWD
551
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList
Matt Johnston <matt@ucc.asn.au>
parents: 546
diff changeset
149 m_list * remotefwds;
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 47
diff changeset
150 #endif
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parents: 1289
diff changeset
151 #if DROPBEAR_CLI_LOCALTCPFWD
551
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Matt Johnston <matt@ucc.asn.au>
parents: 546
diff changeset
152 m_list * localfwds;
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
153 #endif
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parents: 1289
diff changeset
154 #if DROPBEAR_CLI_AGENTFWD
225
ca7e76d981d9 - progress towards client agent forwarding
Matt Johnston <matt@ucc.asn.au>
parents: 215
diff changeset
155 int agent_fwd;
ca7e76d981d9 - progress towards client agent forwarding
Matt Johnston <matt@ucc.asn.au>
parents: 215
diff changeset
156 int agent_keys_loaded; /* whether pubkeys has been populated with a
ca7e76d981d9 - progress towards client agent forwarding
Matt Johnston <matt@ucc.asn.au>
parents: 215
diff changeset
157 list of keys held by the agent */
552
de3653483ac0 - Client auth using an agent's key works. Still need to implement client
Matt Johnston <matt@ucc.asn.au>
parents: 551
diff changeset
158 int agent_fd; /* The agent fd is only set during authentication. Forwarded
de3653483ac0 - Client auth using an agent's key works. Still need to implement client
Matt Johnston <matt@ucc.asn.au>
parents: 551
diff changeset
159 agent sessions have their own file descriptors */
225
ca7e76d981d9 - progress towards client agent forwarding
Matt Johnston <matt@ucc.asn.au>
parents: 215
diff changeset
160 #endif
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
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161
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parents: 1289
diff changeset
162 #if DROPBEAR_CLI_NETCAT
485
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 454
diff changeset
163 char *netcat_host;
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 454
diff changeset
164 unsigned int netcat_port;
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 454
diff changeset
165 #endif
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Matt Johnston <matt@ucc.asn.au>
parents: 1289
diff changeset
166 #if DROPBEAR_CLI_PROXYCMD
479
e3db1f7a2e43 - Split main socket var into ses.sock_in/ses.sock_out in preparation
Matt Johnston <matt@ucc.asn.au>
parents: 454
diff changeset
167 char *proxycmd;
e3db1f7a2e43 - Split main socket var into ses.sock_in/ses.sock_out in preparation
Matt Johnston <matt@ucc.asn.au>
parents: 454
diff changeset
168 #endif
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
169 } cli_runopts;
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
170
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
171 extern cli_runopts cli_opts;
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
172 void cli_getopts(int argc, char ** argv);
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
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173
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parents: 1289
diff changeset
174 #if DROPBEAR_USER_ALGO_LIST
1276
9169e4e7cbee fix empty C prototypes
Francois Perrad <francois.perrad@gadz.org>
parents: 1210
diff changeset
175 void parse_ciphers_macs(void);
682
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
176 #endif
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
177
948
f92eb625c48d - Don't use multichar constants since recent gcc complains
Matt Johnston <matt@ucc.asn.au>
parents: 946
diff changeset
178 void print_version(void);
946
17d874ae93a1 Add '-V' for version
Matt Johnston <matt@ucc.asn.au>
parents: 939
diff changeset
179
1036
deed0571cacc DROPBEAR_ prefix for include guards to avoid collisions
Thorsten Horstmann <thorsten.horstmann@web.de>
parents: 996
diff changeset
180 #endif /* DROPBEAR_RUNOPTS_H_ */