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annotate chansession.h @ 961:a4032b946355

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Be a bit safer in case pw_name doesn't exist
author Matt Johnston <matt@ucc.asn.au>
date Wed, 06 Aug 2014 22:10:57 +0800
parents 818108bf7749
children 0bb16232e7c4
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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 _CHANSESSION_H_
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26 #define _CHANSESSION_H_
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27
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28 #include "loginrec.h"
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29 #include "channel.h"
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30 #include "listener.h"
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31
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32 struct exitinfo {
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34 int exitpid; /* -1 if not exited */
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35 int exitstatus;
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36 int exitsignal;
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37 int exitcore;
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38 };
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39
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40 struct ChanSess {
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41
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42 unsigned char * cmd; /* command to exec */
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43 pid_t pid; /* child process pid */
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44
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45 /* pty details */
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46 int master; /* the master terminal fd*/
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47 int slave;
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48 unsigned char * tty;
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49 unsigned char * term;
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50
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51 /* exit details */
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52 struct exitinfo exit;
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53
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54 /* Used to set $SSH_CONNECTION in the child session.
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55 Is only set temporarily before forking */
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56 char *connection_string;
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57
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58 #ifndef DISABLE_X11FWD
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59 struct Listener * x11listener;
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60 int x11port;
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61 char * x11authprot;
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62 char * x11authcookie;
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63 unsigned int x11screennum;
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64 unsigned char x11singleconn;
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65 #endif
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66
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67 #ifdef ENABLE_SVR_AGENTFWD
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68 struct Listener * agentlistener;
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69 char * agentfile;
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70 char * agentdir;
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71 #endif
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72
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73 #ifdef ENABLE_SVR_PUBKEY_OPTIONS
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74 char *original_command;
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75 #endif
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76 };
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77
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78 struct ChildPid {
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79 pid_t pid;
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80 struct ChanSess * chansess;
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81 };
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84 void addnewvar(const char* param, const char* var);
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85
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86 void cli_send_chansess_request();
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87 void cli_tty_cleanup();
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88 void cli_chansess_winchange();
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89 #ifdef ENABLE_CLI_NETCAT
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90 void cli_send_netcat_request();
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91 #endif
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92 void cli_start_send_channel_request(struct Channel *channel, unsigned char *type);
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93
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94 void svr_chansessinitialise();
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95 extern const struct ChanType svrchansess;
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97 struct SigMap {
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98 int signal;
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99 char* name;
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100 };
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101
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102 extern const struct SigMap signames[];
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103
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104 #endif /* _CHANSESSION_H_ */