1 | /***************************************************************************
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2 | main.c - description
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3 | -------------------
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4 | begin : Fri Apr 19 16:40:35 EDT 2002
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5 | copyright : (C) 2002 by Stan Benoit
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6 | email : troff@nakedsoul.org
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7 | cvsid : $Id: main.c 948 2006-11-19 00:27:46Z bruno $
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8 | ***************************************************************************/
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9 |
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10 | /***************************************************************************
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11 | * *
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12 | * This program is free software; you can redistribute it and/or modify *
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13 | * it under the terms of the GNU General Public License as published by *
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14 | * the Free Software Foundation; either version 2 of the License, or *
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15 | * (at your option) any later version. *
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16 | * *
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17 | ***************************************************************************/
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18 |
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19 | /** change log ****** MONDO-DEVEL
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20 |
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21 |
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22 | 12/10
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23 | - disable stopping/starting of autofs
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24 |
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25 | 10/01
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26 | - update g_erase_tmpdir_and_scratchdir to delete user-specified tmpdir, scratchdir
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27 |
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28 | 06/19
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29 | - added AUX_VER
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30 |
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31 | 06/14/2004
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32 | - use mondorescue.iso, not mindi.iso
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33 |
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34 | 02/10/2004
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35 | - tell users where BusyBox's sources are
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36 |
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37 | 11/14/2003
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38 | - cleaned up logging at end#
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39 |
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40 | 10/23
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41 | - don't try to test-read tape ... That's already
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42 | handled by post_param_configuration()
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43 |
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44 | 10/19
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45 | - if your PATH var is too long, abort
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46 |
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47 | 09/23
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48 | - added some comments
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49 | - malloc/free global strings in new subroutines - malloc_libmondo_global_strings()
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50 | and free_libmondo_global_strings() - which are in libmondo-tools.c
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51 | - better magicdev support
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52 |
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53 |
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54 | 09/16
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55 | - delete /var/log/partimagehack-debug.log at start of main()
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56 |
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57 | 09/15
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58 | - added askbootloader
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59 |
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60 | 09/09
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61 | - if your tape is weird, I'll pause between backup and verify
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62 | - fixed silly bug in main() - re: say_at_end
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63 |
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64 | 01/01 - 08/31
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65 | - call 'dmesg -n1' at start, to shut the kernel logger up
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66 | - moved g_erase_tmpdir_and_scratchdir to common/newt-specific.c
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67 | - added 'don't panic' msg to start of logfile
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68 | - added 'nice(20)' to main()
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69 | - added lots of assert()'s and log_OS_error()'s
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70 | - clean-up (Hugo)
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71 | - make post_param_configuration() setup g_erase_tmpdir_and_scratchdir
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72 | - if --version then print & exit quickly
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73 | - re-run g_erase_tmpdir_and_scratchdir via system() at very end
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74 |
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75 | Year: 2002
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76 | - if user goes root with 'su' instead of 'su -' then
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77 | workaround it by setting PATH correctly
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78 | - wipe mondoarchive.log at very beginning
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79 | - cleaned up code
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80 | - if changed.files.N exists then copy to changes.files for display
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81 | - run_program_and_log_output() now takes boolean operator to specify
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82 | whether it will log its activities in the event of _success_
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83 | - added popup list of changed files
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84 | - removed 'beta-quality' warnings
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85 | - if kernel not found and mondo in graphics mode then popup and ask
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86 | for kernel path+filename
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87 | - fixed tmp[] 'too small' bug
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88 | - unmount and eject CD at end of verify cycle
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89 | - moved interactively_obtain...() to libmondo-stream.c
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90 | - wrote stuff to autodetect tape+cdrw+etc.
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91 | - renamed from main.c to mondo-archive.c
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92 | - fore+after warnings that this code is beta-quality
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93 | - abort if running from ramdisk
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94 | - remount floppy at end & unmount at start if Mandrake
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95 | - took out #debug stuff
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96 | - add 2> /dev/null to 'find' command
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97 | - add support for bkpinfo->nonbootable_backup
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98 | - add main function begin comment and debug conditional
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99 | compilation - Stan Benoit
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100 | - add debug statements to build a run tree. Stan Benoit
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101 | **** end change log **********/
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102 |
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103 |
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104 | /**
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105 | * @file
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106 | * The main file for mondoarchive.
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107 | */
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108 |
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109 | /************************* #include statements *************************/
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110 | #include <pthread.h>
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111 | //#include <config.h>
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112 | //#include "../../config.h"
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113 | #include <stdio.h>
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114 | #include <stdlib.h>
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115 | #include "../common/my-stuff.h"
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116 | #include "../common/mondostructures.h"
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117 | #include "../common/libmondo.h"
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118 | #include "mondo-cli-EXT.h"
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119 |
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120 | // for CVS
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121 | //static char cvsid[] = "$Id: main.c 948 2006-11-19 00:27:46Z bruno $";
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122 |
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123 | /************************* external variables *************************/
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124 | extern void set_signals(int);
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125 | extern int g_current_media_number;
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126 | extern void register_pid(pid_t, char *);
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127 | extern int g_currentY;
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128 | extern bool g_text_mode;
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129 | extern char *g_boot_mountpt;
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130 | extern bool g_remount_cdrom_at_end, g_remount_floppy_at_end;
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131 | extern char *g_mondo_home;
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132 | extern char *g_tmpfs_mountpt;
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133 | extern char *g_erase_tmpdir_and_scratchdir;
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134 | extern char *g_cdrw_drive_is_here;
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135 | static char *g_cdrom_drive_is_here = NULL;
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136 | static char *g_dvd_drive_is_here = NULL;
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137 | extern double g_kernel_version;
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138 |
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139 | /***************** global vars, used only by main.c ******************/
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140 | bool g_skip_floppies;
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141 | long diffs;
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142 | char *ps_options = "auxww";
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143 | char *ps_proc_id = "$2";
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144 |
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145 | extern t_bkptype g_backup_media_type;
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146 | extern int g_loglevel;
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147 |
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148 | /****************** subroutines used only by main.c ******************/
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149 |
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150 |
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151 | /**
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152 | * Print a "don't panic" message to the log and a message about the logfile to the screen.
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153 | */
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154 | void welcome_to_mondoarchive()
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155 | {
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156 | log_msg(0, "Mondo Archive v%s --- http://www.mondorescue.org",
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157 | PACKAGE_VERSION);
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158 | log_msg(0, "running on %s architecture", get_architecture());
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159 | log_msg(0,
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160 | "-----------------------------------------------------------");
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161 | log_msg(0,
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162 | "NB: Mondo logs almost everything, so don't panic if you see");
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163 | log_msg(0,
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164 | "some error messages. Please read them carefully before you");
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165 | log_msg(0,
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166 | "decide to break out in a cold sweat. Despite (or perhaps");
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167 | log_msg(0,
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168 | "because of) the wealth of messages. some users are inclined");
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169 | log_msg(0,
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170 | "to stop reading this log. If Mondo stopped for some reason,");
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171 | log_msg(0,
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172 | "chances are it's detailed here. More than likely there's a");
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173 | log_msg(0,
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174 | "message at the very end of this log that will tell you what");
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175 | log_msg(0,
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176 | "is wrong. Please read it! -Devteam");
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177 | log_msg(0,
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178 | "-----------------------------------------------------------");
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179 |
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180 | log_msg(0, "Zero...");
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181 | log_msg(1, "One...");
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182 | log_msg(2, "Two...");
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183 | log_msg(3, "Three...");
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184 | log_msg(4, "Four...");
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185 | log_msg(5, "Five...");
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186 | log_msg(6, "Six...");
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187 | log_msg(7, "Seven...");
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188 | log_msg(8, "Eight...");
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189 | printf("See %s for details of backup run.\n", MONDO_LOGFILE);
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190 | }
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191 |
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192 |
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193 | extern char *g_magicdev_command;
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194 |
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195 | /**
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196 | * Do whatever is necessary to insure a successful backup on the Linux distribution
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197 | * of the day.
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198 | */
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199 | void distro_specific_kludges_at_start_of_mondoarchive()
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200 | {
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201 | log_msg(2, "Unmounting old ramdisks if necessary");
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202 | stop_magicdev_if_necessary(); // for RH+Gnome users
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203 | run_program_and_log_output
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204 | ("umount `mount | grep shm | grep mondo | cut -d' ' -f3`", 2);
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205 | unmount_supermounts_if_necessary(); // for Mandrake users whose CD-ROMs are supermounted
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206 | // stop_autofs_if_necessary(); // for Xandros users
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207 | mount_boot_if_necessary(); // for Gentoo users with non-mounted /boot partitions
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208 | clean_up_KDE_desktop_if_necessary(); // delete various misc ~/.* files that get in the way
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209 | }
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210 |
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211 |
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212 |
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213 | /**
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214 | * Undo whatever was done by distro_specific_kludges_at_start_of_mondoarchive().
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215 | */
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216 | void distro_specific_kludges_at_end_of_mondoarchive()
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217 | {
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218 | // char tmp[500];
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219 | log_msg(2, "Restarting magicdev if necessary");
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220 | sync();
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221 | restart_magicdev_if_necessary(); // for RH+Gnome users
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222 |
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223 | log_msg(2, "Restarting autofs if necessary");
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224 | sync();
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225 | // restart_autofs_if_necessary(); // for Xandros users
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226 |
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227 | log_msg(2, "Restarting supermounts if necessary");
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228 | sync();
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229 | remount_supermounts_if_necessary(); // for Mandrake users
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230 |
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231 | log_msg(2, "Unmounting /boot if necessary");
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232 | sync();
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233 | unmount_boot_if_necessary(); // for Gentoo users
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234 |
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235 | // log_msg( 2, "Cleaning up KDE desktop");
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236 | // clean_up_KDE_desktop_if_necessary();
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237 | }
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238 |
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239 | /* Return a string containing the date */
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240 | char *mr_date(void) {
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241 |
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242 | time_t tcurr;
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243 |
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244 | tcurr = time(NULL);
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245 | return(ctime(&tcurr));
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246 | }
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247 |
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248 | /*-----------------------------------------------------------*/
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249 |
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250 |
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251 |
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252 | /**
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253 | * Backup/verify the user's data.
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254 | * What did you think it did, anyway? :-)
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255 | */
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256 | int main(int argc, char *argv[])
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257 | {
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258 | struct s_bkpinfo *bkpinfo;
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259 | char *tmp;
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260 | int res, retval;
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261 | char *say_at_end;
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262 |
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263 | /* Make sure I'm root; abort if not */
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264 | if (getuid() != 0) {
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265 | fprintf(stderr, "Please run as root.\r\n");
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266 | exit(127);
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267 | }
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268 |
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269 | /* If -V, -v or --version then echo version no. and quit */
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270 | if (argc == 2
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271 | && (!strcmp(argv[argc - 1], "-v") || !strcmp(argv[argc - 1], "-V")
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272 | || !strcmp(argv[argc - 1], "--version"))) {
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273 | printf("mondoarchive v%s\nSee man page for help\n", PACKAGE_VERSION);
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274 | exit(0);
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275 | }
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276 |
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277 | /* Initialize variables */
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278 |
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279 | malloc_libmondo_global_strings();
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280 | malloc_string(tmp);
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281 | malloc_string(say_at_end);
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282 |
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283 | res = 0;
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284 | retval = 0;
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285 | diffs = 0;
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286 | say_at_end[0] = '\0';
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287 | printf("Initializing...\n");
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288 | if (!(bkpinfo = malloc(sizeof(struct s_bkpinfo)))) {
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289 | fatal_error("Cannot malloc bkpinfo");
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290 | }
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291 |
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292 | /* initialize log file with time stamp */
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293 | unlink(MONDO_LOGFILE);
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294 | log_msg(0, "Time started: %s", mr_date());
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295 |
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296 | /* make sure PATH environmental variable allows access to mkfs, fdisk, etc. */
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297 | strncpy(tmp, getenv("PATH"), MAX_STR_LEN - 1);
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298 | tmp[MAX_STR_LEN - 1] = '\0';
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299 | if (strlen(tmp) >= MAX_STR_LEN - 33) {
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300 | fatal_error
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301 | ("Your PATH environmental variable is too long. Please shorten it.");
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302 | }
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303 | strcat(tmp, ":/sbin:/usr/sbin:/usr/local/sbin");
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304 | setenv("PATH", tmp, 1);
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305 |
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306 | /* Add the ARCH environment variable for ia64 purposes */
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307 | strncpy(tmp, get_architecture(), MAX_STR_LEN - 1);
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308 | tmp[MAX_STR_LEN - 1] = '\0';
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309 | setenv("ARCH", tmp, 1);
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310 |
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311 | /* Add MONDO_SHARE environment variable for mindi */
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312 | setenv_mondo_share();
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313 |
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314 | /* Configure the bkpinfo structure, global file paths, etc. */
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315 | g_main_pid = getpid();
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316 | log_msg(9, "This");
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317 |
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318 | register_pid(g_main_pid, "mondo");
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319 | set_signals(TRUE); // catch SIGTERM, etc.
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320 | run_program_and_log_output("dmesg -n1", TRUE);
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321 |
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322 | log_msg(9, "Next");
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323 | welcome_to_mondoarchive();
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324 | distro_specific_kludges_at_start_of_mondoarchive();
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325 | sprintf(g_erase_tmpdir_and_scratchdir, "rm -Rf %s %s", bkpinfo->tmpdir,
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326 | bkpinfo->scratchdir);
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327 | g_kernel_version = get_kernel_version();
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328 |
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329 | if (argc == 4 && !strcmp(argv[1], "getfattr")) {
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330 | g_loglevel = 10;
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331 | g_text_mode = TRUE;
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332 | setup_newt_stuff();
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333 | if (!strstr(argv[2], "filelist")) {
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334 | printf("Sorry - filelist goes first\n");
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335 | finish(1);
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336 | } else {
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337 | finish(get_fattr_list(argv[2], argv[3]));
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338 | }
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339 | finish(0);
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340 | }
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341 | if (argc == 4 && !strcmp(argv[1], "setfattr")) {
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342 | g_loglevel = 10;
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343 | // chdir("/tmp");
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344 | g_text_mode = TRUE;
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345 | setup_newt_stuff();
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346 | finish(set_fattr_list(argv[2], argv[3]));
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347 | }
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348 |
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349 | if (argc == 3 && !strcmp(argv[1], "wildcards")) {
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350 | g_loglevel = 10;
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351 | g_text_mode = TRUE;
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352 | setup_newt_stuff();
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353 | turn_wildcard_chars_into_literal_chars(tmp, argv[2]);
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354 | printf("in=%s; out=%s\n", argv[2], tmp);
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355 | finish(1);
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356 | }
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357 |
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358 | if (argc == 4 && !strcmp(argv[1], "getfacl")) {
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359 | g_loglevel = 10;
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360 | g_text_mode = TRUE;
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361 | setup_newt_stuff();
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362 | if (!strstr(argv[2], "filelist")) {
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363 | printf("Sorry - filelist goes first\n");
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364 | finish(1);
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365 | } else {
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366 | finish(get_acl_list(argv[2], argv[3]));
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367 | }
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368 | finish(0);
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369 | }
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370 | if (argc == 4 && !strcmp(argv[1], "setfacl")) {
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371 | g_loglevel = 10;
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372 | // chdir("/tmp");
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373 | g_text_mode = TRUE;
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374 | setup_newt_stuff();
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375 | finish(set_acl_list(argv[2], argv[3]));
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376 | }
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377 |
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378 | if (argc > 2 && !strcmp(argv[1], "find-cd")) {
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379 | g_loglevel = 10;
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380 | g_text_mode = TRUE;
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381 | setup_newt_stuff();
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382 | if (find_cdrw_device(tmp)) {
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383 | printf("Failed to find CDR-RW drive\n");
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384 | } else {
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385 | printf("CD-RW is at %s\n", tmp);
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386 | }
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387 | tmp[0] = '\0';
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388 | if (find_cdrom_device(tmp, atoi(argv[2]))) {
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389 | printf("Failed to find CD-ROM drive\n");
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390 | } else {
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391 | printf("CD-ROM is at %s\n", tmp);
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392 | }
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393 | finish(0);
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394 | }
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395 |
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396 | if (argc > 2 && !strcmp(argv[1], "find-dvd")) {
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397 | g_loglevel = 10;
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398 | g_text_mode = TRUE;
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399 | setup_newt_stuff();
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400 | if (find_dvd_device(tmp, atoi(argv[2]))) {
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401 | printf("Failed to find DVD drive\n");
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402 | } else {
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403 | printf("DVD is at %s\n", tmp);
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404 | }
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405 | finish(0);
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406 | }
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407 |
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408 | if (argc > 2 && !strcmp(argv[1], "disksize")) {
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409 | printf("%s --> %ld\n", argv[2], get_phys_size_of_drive(argv[2]));
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410 | finish(0);
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411 | }
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412 | if (argc > 2 && !strcmp(argv[1], "test-dev")) {
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413 | if (is_dev_an_NTFS_dev(argv[2])) {
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414 | printf("%s is indeed an NTFS dev\n", argv[2]);
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415 | } else {
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416 | printf("%s is _not_ an NTFS dev\n", argv[2]);
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417 | }
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418 | finish(0);
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419 | }
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420 |
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421 | if (pre_param_configuration(bkpinfo)) {
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422 | fatal_error
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423 | ("Pre-param initialization phase failed. Please review the error messages above, make the specified changes, then try again. Exiting...");
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424 | }
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425 |
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426 | /* Process command line, if there is one. If not, ask user for info. */
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427 | if (argc == 1) {
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428 | g_text_mode = FALSE;
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429 | setup_newt_stuff();
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430 | res = interactively_obtain_media_parameters_from_user(bkpinfo, TRUE); /* yes, archiving */
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431 | if (res) {
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432 | fatal_error
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433 | ("Syntax error. Please review the parameters you have supplied and try again.");
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434 | }
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435 | } else {
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436 | res = handle_incoming_parameters(argc, argv, bkpinfo);
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437 | if (res) {
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438 | printf
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439 | ("Errors were detected in the command line you supplied.\n");
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440 | printf("Please review the log file - " MONDO_LOGFILE "\n");
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441 | log_msg(1, "Mondoarchive will now exit.");
|
---|
442 | finish(1);
|
---|
443 | }
|
---|
444 | setup_newt_stuff();
|
---|
445 | }
|
---|
446 |
|
---|
447 | /* Finish configuring global structures */
|
---|
448 | if (post_param_configuration(bkpinfo)) {
|
---|
449 | fatal_error
|
---|
450 | ("Post-param initialization phase failed. Perhaps bad parameters were supplied to mondoarchive? Please review the documentation, error messages and logs. Exiting...");
|
---|
451 | }
|
---|
452 |
|
---|
453 | log_to_screen
|
---|
454 | ("BusyBox's sources are available from http://www.busybox.net");
|
---|
455 | sprintf(g_erase_tmpdir_and_scratchdir, "rm -Rf %s %s", bkpinfo->tmpdir,
|
---|
456 | bkpinfo->scratchdir);
|
---|
457 |
|
---|
458 | /* If we're meant to backup then backup */
|
---|
459 | if (bkpinfo->backup_data) {
|
---|
460 | res = backup_data(bkpinfo);
|
---|
461 | retval += res;
|
---|
462 | if (res) {
|
---|
463 | strcat(say_at_end,
|
---|
464 | "Data archived. Please check the logs, just as a precaution. ");
|
---|
465 | } else {
|
---|
466 | strcat(say_at_end, "Data archived OK. ");
|
---|
467 | }
|
---|
468 | }
|
---|
469 |
|
---|
470 | /* If we're meant to verify then verify */
|
---|
471 | if (bkpinfo->verify_data) {
|
---|
472 | res = verify_data(bkpinfo);
|
---|
473 | if (res < 0) {
|
---|
474 | sprintf(tmp, "%d difference%c found.", -res,
|
---|
475 | (-res != 1) ? 's' : ' ');
|
---|
476 | strcat(say_at_end, tmp);
|
---|
477 | log_to_screen(tmp);
|
---|
478 | res = 0;
|
---|
479 | }
|
---|
480 | retval += res;
|
---|
481 | }
|
---|
482 |
|
---|
483 | /* Offer to write floppy disk images to physical disks */
|
---|
484 | if (bkpinfo->backup_data && !g_skip_floppies) {
|
---|
485 | res = offer_to_write_boot_floppies_to_physical_disks(bkpinfo);
|
---|
486 | retval += res;
|
---|
487 | // res = offer_to_write_boot_ISO_to_physical_CD(bkpinfo);
|
---|
488 | // retval += res;
|
---|
489 | }
|
---|
490 |
|
---|
491 | /* Report result of entire operation (success? errors?) */
|
---|
492 | if (!retval) {
|
---|
493 | mvaddstr_and_log_it(g_currentY++, 0,
|
---|
494 | "Backup and/or verify ran to completion. Everything appears to be fine.");
|
---|
495 | } else {
|
---|
496 | mvaddstr_and_log_it(g_currentY++, 0,
|
---|
497 | "Backup and/or verify ran to completion. However, errors did occur.");
|
---|
498 | }
|
---|
499 |
|
---|
500 | if (does_file_exist("/root/images/mindi/mondorescue.iso")) {
|
---|
501 | log_to_screen
|
---|
502 | ("/root/images/mindi/mondorescue.iso, a boot/utility CD, is available if you want it.");
|
---|
503 | }
|
---|
504 |
|
---|
505 |
|
---|
506 | if (length_of_file("/tmp/changed.files") > 2) {
|
---|
507 | if (g_text_mode) {
|
---|
508 | log_to_screen
|
---|
509 | ("Type 'less /tmp/changed.files' to see which files don't match the archives");
|
---|
510 | } else {
|
---|
511 | log_msg(1,
|
---|
512 | "Type 'less /tmp/changed.files' to see which files don't match the archives");
|
---|
513 | log_msg(2, "Calling popup_changelist_from_file()");
|
---|
514 | popup_changelist_from_file("/tmp/changed.files");
|
---|
515 | log_msg(2, "Returned from popup_changelist_from_file()");
|
---|
516 | }
|
---|
517 | } else {
|
---|
518 | unlink("/tmp/changed.files");
|
---|
519 | }
|
---|
520 | log_to_screen(say_at_end);
|
---|
521 | sprintf(tmp, "umount %s/tmpfs", bkpinfo->tmpdir);
|
---|
522 | run_program_and_log_output(tmp, TRUE);
|
---|
523 | run_program_and_log_output(g_erase_tmpdir_and_scratchdir, TRUE);
|
---|
524 |
|
---|
525 | run_program_and_log_output("mount", 2);
|
---|
526 |
|
---|
527 | system("rm -f /var/cache/mondo-archive/last-backup.aborted");
|
---|
528 | system("rm -Rf /tmp.mondo.* /mondo.scratch.*");
|
---|
529 | if (!retval) {
|
---|
530 | printf("Mondoarchive ran OK.\n");
|
---|
531 | } else {
|
---|
532 | printf("Errors occurred during backup. Please check logfile.\n");
|
---|
533 | }
|
---|
534 | distro_specific_kludges_at_end_of_mondoarchive();
|
---|
535 | register_pid(0, "mondo");
|
---|
536 | set_signals(FALSE);
|
---|
537 | chdir("/tmp"); // just in case there's something wrong with g_erase_tmpdir_and_scratchdir
|
---|
538 | system(g_erase_tmpdir_and_scratchdir);
|
---|
539 | free_libmondo_global_strings();
|
---|
540 | paranoid_free(say_at_end);
|
---|
541 | paranoid_free(tmp);
|
---|
542 | paranoid_free(bkpinfo);
|
---|
543 |
|
---|
544 | unlink("/tmp/filelist.full");
|
---|
545 | unlink("/tmp/filelist.full.gz");
|
---|
546 |
|
---|
547 | if (!g_cdrom_drive_is_here) {
|
---|
548 | log_msg(10, "FYI, g_cdrom_drive_is_here was never used");
|
---|
549 | }
|
---|
550 | if (!g_dvd_drive_is_here) {
|
---|
551 | log_msg(10, "FYI, g_dvd_drive_is_here was never used");
|
---|
552 | }
|
---|
553 |
|
---|
554 | /* finalize log file with time stamp */
|
---|
555 | log_msg(0, "Time finished: %s", mr_date());
|
---|
556 |
|
---|
557 | if (!g_text_mode) {
|
---|
558 | popup_and_OK
|
---|
559 | ("Mondo Archive has finished its run. Please press ENTER to return to the shell prompt.");
|
---|
560 | log_to_screen("See %s for details of backup run.", MONDO_LOGFILE);
|
---|
561 | finish(retval);
|
---|
562 | } else {
|
---|
563 | printf("See %s for details of backup run.\n", MONDO_LOGFILE);
|
---|
564 | exit(retval);
|
---|
565 | }
|
---|
566 |
|
---|
567 | return EXIT_SUCCESS;
|
---|
568 | }
|
---|