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 1375 2007-04-30 09:18:15Z 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 | #include "mondoarchive.h" |
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120 | |
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121 | // for CVS |
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122 | //static char cvsid[] = "$Id: main.c 1375 2007-04-30 09:18:15Z bruno $"; |
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123 | |
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124 | /************************* external variables *************************/ |
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125 | extern void set_signals(int); |
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126 | extern int g_current_media_number; |
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127 | extern void register_pid(pid_t, char *); |
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128 | extern int g_currentY; |
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129 | extern bool g_text_mode; |
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130 | extern char *g_boot_mountpt; |
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131 | extern bool g_remount_cdrom_at_end, g_remount_floppy_at_end; |
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132 | extern char *g_mondo_home; |
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133 | extern char *g_tmpfs_mountpt; |
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134 | extern char *g_erase_tmpdir_and_scratchdir; |
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135 | extern char *g_cdrw_drive_is_here; |
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136 | static char *g_cdrom_drive_is_here = NULL; |
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137 | static char *g_dvd_drive_is_here = NULL; |
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138 | extern double g_kernel_version; |
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139 | |
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140 | /***************** global vars, used only by main.c ******************/ |
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141 | bool g_skip_floppies; |
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142 | long diffs; |
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143 | |
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144 | extern t_bkptype g_backup_media_type; |
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145 | extern int g_loglevel; |
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146 | |
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147 | /****************** subroutines used only by main.c ******************/ |
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148 | |
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149 | |
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150 | /** |
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151 | * Print a "don't panic" message to the log and a message about the logfile to the screen. |
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152 | */ |
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153 | void welcome_to_mondoarchive(void) |
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154 | { |
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155 | char *tmp = NULL; |
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156 | |
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157 | log_msg(0, "Mondo Archive v%s --- http://www.mondorescue.org", |
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158 | PACKAGE_VERSION); |
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159 | log_msg(0, "running %s binaries", get_architecture()); |
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160 | tmp = get_uname_m(); |
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161 | log_msg(0, "running on %s architecture", tmp); |
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162 | mr_free(tmp); |
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163 | log_msg(0, |
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164 | "-----------------------------------------------------------"); |
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165 | log_msg(0, |
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166 | "NB: Mondo logs almost everything, so don't panic if you see"); |
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167 | log_msg(0, |
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168 | "some error messages. Please read them carefully before you"); |
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169 | log_msg(0, |
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170 | "decide to break out in a cold sweat. Despite (or perhaps"); |
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171 | log_msg(0, |
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172 | "because of) the wealth of messages. some users are inclined"); |
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173 | log_msg(0, |
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174 | "to stop reading this log. If Mondo stopped for some reason,"); |
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175 | log_msg(0, |
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176 | "chances are it's detailed here. More than likely there's a"); |
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177 | log_msg(0, |
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178 | "message at the very end of this log that will tell you what"); |
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179 | log_msg(0, |
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180 | "is wrong. Please read it! -Devteam"); |
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181 | log_msg(0, |
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182 | "-----------------------------------------------------------"); |
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183 | |
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184 | log_msg(0, "Zero..."); |
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185 | log_msg(1, "One..."); |
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186 | log_msg(2, "Two..."); |
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187 | log_msg(3, "Three..."); |
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188 | log_msg(4, "Four..."); |
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189 | log_msg(5, "Five..."); |
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190 | log_msg(6, "Six..."); |
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191 | log_msg(7, "Seven..."); |
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192 | log_msg(8, "Eight..."); |
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193 | printf("See %s for details of backup run.\n", MONDO_LOGFILE); |
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194 | } |
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195 | |
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196 | |
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197 | extern char *g_magicdev_command; |
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198 | |
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199 | /** |
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200 | * Do whatever is necessary to insure a successful backup on the Linux distribution |
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201 | * of the day. |
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202 | */ |
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203 | void distro_specific_kludges_at_start_of_mondoarchive(void) |
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204 | { |
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205 | log_msg(2, "Unmounting old ramdisks if necessary"); |
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206 | stop_magicdev_if_necessary(); // for RH+Gnome users |
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207 | run_program_and_log_output |
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208 | ("umount `mount | grep shm | grep mondo | cut -d' ' -f3`", 2); |
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209 | unmount_supermounts_if_necessary(); // for Mandrake users whose CD-ROMs are supermounted |
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210 | // stop_autofs_if_necessary(); // for Xandros users |
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211 | mount_boot_if_necessary(); // for Gentoo users with non-mounted /boot partitions |
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212 | clean_up_KDE_desktop_if_necessary(); // delete various misc ~/.* files that get in the way |
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213 | } |
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214 | |
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215 | |
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216 | |
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217 | /** |
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218 | * Undo whatever was done by distro_specific_kludges_at_start_of_mondoarchive(). |
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219 | */ |
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220 | void distro_specific_kludges_at_end_of_mondoarchive(void) |
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221 | { |
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222 | // char tmp[500]; |
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223 | log_msg(2, "Restarting magicdev if necessary"); |
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224 | sync(); |
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225 | restart_magicdev_if_necessary(); // for RH+Gnome users |
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226 | |
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227 | log_msg(2, "Restarting autofs if necessary"); |
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228 | sync(); |
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229 | // restart_autofs_if_necessary(); // for Xandros users |
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230 | |
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231 | log_msg(2, "Restarting supermounts if necessary"); |
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232 | sync(); |
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233 | remount_supermounts_if_necessary(); // for Mandrake users |
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234 | |
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235 | log_msg(2, "Unmounting /boot if necessary"); |
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236 | sync(); |
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237 | unmount_boot_if_necessary(); // for Gentoo users |
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238 | |
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239 | // log_msg( 2, "Cleaning up KDE desktop"); |
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240 | // clean_up_KDE_desktop_if_necessary(); |
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241 | } |
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242 | |
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243 | /* Return a string containing the date */ |
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244 | char *mr_date(void) { |
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245 | |
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246 | time_t tcurr; |
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247 | |
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248 | tcurr = time(NULL); |
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249 | return(ctime(&tcurr)); |
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250 | } |
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251 | |
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252 | /*-----------------------------------------------------------*/ |
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253 | |
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254 | |
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255 | |
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256 | /** |
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257 | * Backup/verify the user's data. |
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258 | * What did you think it did, anyway? :-) |
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259 | */ |
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260 | int main(int argc, char *argv[]) |
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261 | { |
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262 | struct s_bkpinfo *bkpinfo; |
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263 | char *tmp; |
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264 | int res, retval; |
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265 | char *say_at_end; |
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266 | |
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267 | /* Make sure I'm root; abort if not */ |
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268 | if (getuid() != 0) { |
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269 | fprintf(stderr, "Please run as root.\r\n"); |
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270 | exit(127); |
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271 | } |
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272 | |
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273 | /* If -V, -v or --version then echo version no. and quit */ |
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274 | if (argc == 2 |
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275 | && (!strcmp(argv[argc - 1], "-v") || !strcmp(argv[argc - 1], "-V") |
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276 | || !strcmp(argv[argc - 1], "--version"))) { |
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277 | printf("mondoarchive v%s\nSee man page for help\n", PACKAGE_VERSION); |
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278 | exit(0); |
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279 | } |
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280 | |
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281 | /* Initialize variables */ |
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282 | |
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283 | malloc_libmondo_global_strings(); |
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284 | malloc_string(tmp); |
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285 | malloc_string(say_at_end); |
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286 | |
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287 | res = 0; |
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288 | retval = 0; |
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289 | diffs = 0; |
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290 | say_at_end[0] = '\0'; |
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291 | printf("Initializing...\n"); |
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292 | if (!(bkpinfo = malloc(sizeof(struct s_bkpinfo)))) { |
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293 | fatal_error("Cannot malloc bkpinfo"); |
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294 | } |
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295 | |
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296 | /* initialize log file with time stamp */ |
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297 | unlink(MONDO_LOGFILE); |
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298 | log_msg(0, "Time started: %s", mr_date()); |
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299 | |
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300 | /* make sure PATH environmental variable allows access to mkfs, fdisk, etc. */ |
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301 | strncpy(tmp, getenv("PATH"), MAX_STR_LEN - 1); |
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302 | tmp[MAX_STR_LEN - 1] = '\0'; |
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303 | if (strlen(tmp) >= MAX_STR_LEN - 33) { |
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304 | fatal_error |
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305 | ("Your PATH environmental variable is too long. Please shorten it."); |
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306 | } |
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307 | strcat(tmp, ":/sbin:/usr/sbin:/usr/local/sbin"); |
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308 | setenv("PATH", tmp, 1); |
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309 | |
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310 | /* Add the ARCH environment variable for ia64 purposes */ |
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311 | strncpy(tmp, get_architecture(), MAX_STR_LEN - 1); |
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312 | tmp[MAX_STR_LEN - 1] = '\0'; |
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313 | setenv("ARCH", tmp, 1); |
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314 | |
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315 | /* Add MONDO_SHARE environment variable for mindi */ |
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316 | setenv_mondo_share(); |
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317 | |
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318 | /* Configure the bkpinfo structure, global file paths, etc. */ |
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319 | g_main_pid = getpid(); |
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320 | log_msg(9, "This"); |
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321 | |
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322 | register_pid(g_main_pid, "mondo"); |
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323 | set_signals(TRUE); // catch SIGTERM, etc. |
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324 | run_program_and_log_output("dmesg -n1", TRUE); |
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325 | |
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326 | log_msg(9, "Next"); |
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327 | welcome_to_mondoarchive(); |
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328 | distro_specific_kludges_at_start_of_mondoarchive(); |
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329 | g_kernel_version = get_kernel_version(); |
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330 | |
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331 | if (argc == 4 && !strcmp(argv[1], "getfattr")) { |
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332 | g_loglevel = 10; |
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333 | g_text_mode = TRUE; |
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334 | setup_newt_stuff(); |
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335 | if (!strstr(argv[2], "filelist")) { |
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336 | printf("Sorry - filelist goes first\n"); |
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337 | finish(1); |
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338 | } else { |
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339 | finish(get_fattr_list(argv[2], argv[3])); |
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340 | } |
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341 | finish(0); |
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342 | } |
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343 | if (argc == 4 && !strcmp(argv[1], "setfattr")) { |
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344 | g_loglevel = 10; |
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345 | // chdir("/tmp"); |
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346 | g_text_mode = TRUE; |
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347 | setup_newt_stuff(); |
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348 | finish(set_fattr_list(argv[2], argv[3])); |
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349 | } |
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350 | |
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351 | if (argc == 3 && !strcmp(argv[1], "wildcards")) { |
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352 | g_loglevel = 10; |
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353 | g_text_mode = TRUE; |
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354 | setup_newt_stuff(); |
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355 | turn_wildcard_chars_into_literal_chars(tmp, argv[2]); |
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356 | printf("in=%s; out=%s\n", argv[2], tmp); |
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357 | finish(1); |
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358 | } |
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359 | |
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360 | if (argc == 4 && !strcmp(argv[1], "getfacl")) { |
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361 | g_loglevel = 10; |
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362 | g_text_mode = TRUE; |
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363 | setup_newt_stuff(); |
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364 | if (!strstr(argv[2], "filelist")) { |
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365 | printf("Sorry - filelist goes first\n"); |
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366 | finish(1); |
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367 | } else { |
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368 | finish(get_acl_list(argv[2], argv[3])); |
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369 | } |
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370 | finish(0); |
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371 | } |
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372 | if (argc == 4 && !strcmp(argv[1], "setfacl")) { |
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373 | g_loglevel = 10; |
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374 | // chdir("/tmp"); |
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375 | g_text_mode = TRUE; |
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376 | setup_newt_stuff(); |
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377 | finish(set_acl_list(argv[2], argv[3])); |
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378 | } |
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379 | |
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380 | if (argc > 2 && !strcmp(argv[1], "find-cd")) { |
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381 | g_loglevel = 10; |
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382 | g_text_mode = TRUE; |
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383 | setup_newt_stuff(); |
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384 | if (find_cdrw_device(tmp)) { |
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385 | printf("Failed to find CDR-RW drive\n"); |
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386 | } else { |
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387 | printf("CD-RW is at %s\n", tmp); |
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388 | } |
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389 | tmp[0] = '\0'; |
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390 | if (find_cdrom_device(tmp, atoi(argv[2]))) { |
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391 | printf("Failed to find CD-ROM drive\n"); |
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392 | } else { |
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393 | printf("CD-ROM is at %s\n", tmp); |
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394 | } |
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395 | finish(0); |
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396 | } |
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397 | |
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398 | if (argc > 2 && !strcmp(argv[1], "find-dvd")) { |
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399 | g_loglevel = 10; |
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400 | g_text_mode = TRUE; |
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401 | setup_newt_stuff(); |
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402 | if (find_dvd_device(tmp, atoi(argv[2]))) { |
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403 | printf("Failed to find DVD drive\n"); |
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404 | } else { |
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405 | printf("DVD is at %s\n", tmp); |
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406 | } |
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407 | finish(0); |
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408 | } |
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409 | |
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410 | if (argc > 2 && !strcmp(argv[1], "disksize")) { |
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411 | printf("%s --> %ld\n", argv[2], get_phys_size_of_drive(argv[2])); |
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412 | finish(0); |
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413 | } |
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414 | if (argc > 2 && !strcmp(argv[1], "test-dev")) { |
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415 | if (is_dev_an_NTFS_dev(argv[2])) { |
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416 | printf("%s is indeed an NTFS dev\n", argv[2]); |
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417 | } else { |
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418 | printf("%s is _not_ an NTFS dev\n", argv[2]); |
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419 | } |
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420 | finish(0); |
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421 | } |
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422 | |
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423 | if (pre_param_configuration(bkpinfo)) { |
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424 | fatal_error |
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425 | ("Pre-param initialization phase failed. Please review the error messages above, make the specified changes, then try again. Exiting..."); |
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426 | } |
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427 | |
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428 | /* Process command line, if there is one. If not, ask user for info. */ |
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429 | if (argc == 1) { |
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430 | g_text_mode = FALSE; |
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431 | setup_newt_stuff(); |
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432 | res = interactively_obtain_media_parameters_from_user(bkpinfo, TRUE); /* yes, archiving */ |
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433 | if (res) { |
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434 | fatal_error |
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435 | ("Syntax error. Please review the parameters you have supplied and try again."); |
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436 | } |
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437 | } else { |
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438 | res = handle_incoming_parameters(argc, argv, bkpinfo); |
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439 | if (res) { |
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440 | printf |
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441 | ("Errors were detected in the command line you supplied.\n"); |
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442 | printf("Please review the log file - %s\n", MONDO_LOGFILE ); |
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443 | log_msg(1, "Mondoarchive will now exit."); |
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444 | finish(1); |
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445 | } |
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446 | setup_newt_stuff(); |
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447 | } |
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448 | |
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449 | /* Finish configuring global structures */ |
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450 | if (post_param_configuration(bkpinfo)) { |
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451 | fatal_error |
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452 | ("Post-param initialization phase failed. Perhaps bad parameters were supplied to mondoarchive? Please review the documentation, error messages and logs. Exiting..."); |
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453 | } |
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454 | |
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455 | log_to_screen |
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456 | ("BusyBox's sources are available from http://www.busybox.net"); |
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457 | sprintf(g_erase_tmpdir_and_scratchdir, "rm -Rf %s %s", bkpinfo->tmpdir, |
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458 | bkpinfo->scratchdir); |
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459 | |
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460 | /* If we're meant to backup then backup */ |
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461 | if (bkpinfo->backup_data) { |
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462 | res = backup_data(bkpinfo); |
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463 | retval += res; |
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464 | if (res) { |
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465 | strcat(say_at_end, |
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466 | "Data archived. Please check the logs, just as a precaution. "); |
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467 | } else { |
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468 | strcat(say_at_end, "Data archived OK. "); |
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469 | } |
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470 | } |
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471 | |
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472 | /* If we're meant to verify then verify */ |
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473 | if (bkpinfo->verify_data) { |
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474 | res = verify_data(bkpinfo); |
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475 | if (res < 0) { |
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476 | sprintf(tmp, "%d difference%c found.", -res, |
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477 | (-res != 1) ? 's' : ' '); |
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478 | strcat(say_at_end, tmp); |
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479 | log_to_screen(tmp); |
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480 | res = 0; |
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481 | } |
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482 | retval += res; |
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483 | } |
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484 | |
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485 | /* Offer to write floppy disk images to physical disks */ |
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486 | if (bkpinfo->backup_data && !g_skip_floppies) { |
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487 | res = offer_to_write_boot_floppies_to_physical_disks(bkpinfo); |
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488 | retval += res; |
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489 | // res = offer_to_write_boot_ISO_to_physical_CD(bkpinfo); |
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490 | // retval += res; |
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491 | } |
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492 | |
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493 | /* Report result of entire operation (success? errors?) */ |
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494 | if (!retval) { |
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495 | mvaddstr_and_log_it(g_currentY++, 0, |
---|
496 | "Backup and/or verify ran to completion. Everything appears to be fine."); |
---|
497 | } else { |
---|
498 | mvaddstr_and_log_it(g_currentY++, 0, |
---|
499 | "Backup and/or verify ran to completion. However, errors did occur."); |
---|
500 | } |
---|
501 | |
---|
502 | if (does_file_exist("/root/images/mindi/mondorescue.iso")) { |
---|
503 | log_to_screen |
---|
504 | ("/root/images/mindi/mondorescue.iso, a boot/utility CD, is available if you want it."); |
---|
505 | } |
---|
506 | |
---|
507 | |
---|
508 | if (length_of_file("/tmp/changed.files") > 2) { |
---|
509 | if (g_text_mode) { |
---|
510 | log_to_screen |
---|
511 | ("Type 'less /tmp/changed.files' to see which files don't match the archives"); |
---|
512 | } else { |
---|
513 | log_msg(1, |
---|
514 | "Type 'less /tmp/changed.files' to see which files don't match the archives"); |
---|
515 | log_msg(2, "Calling popup_changelist_from_file()"); |
---|
516 | popup_changelist_from_file("/tmp/changed.files"); |
---|
517 | log_msg(2, "Returned from popup_changelist_from_file()"); |
---|
518 | } |
---|
519 | } else { |
---|
520 | unlink("/tmp/changed.files"); |
---|
521 | } |
---|
522 | log_to_screen(say_at_end); |
---|
523 | sprintf(tmp, "umount %s/tmpfs", bkpinfo->tmpdir); |
---|
524 | run_program_and_log_output(tmp, TRUE); |
---|
525 | run_program_and_log_output(g_erase_tmpdir_and_scratchdir, TRUE); |
---|
526 | |
---|
527 | run_program_and_log_output("mount", 2); |
---|
528 | |
---|
529 | system("rm -f /var/cache/mondo-archive/last-backup.aborted"); |
---|
530 | system("rm -Rf /tmp.mondo.* /mondo.scratch.*"); |
---|
531 | if (!retval) { |
---|
532 | printf("Mondoarchive ran OK.\n"); |
---|
533 | } else { |
---|
534 | printf("Errors occurred during backup. Please check logfile.\n"); |
---|
535 | } |
---|
536 | distro_specific_kludges_at_end_of_mondoarchive(); |
---|
537 | register_pid(0, "mondo"); |
---|
538 | set_signals(FALSE); |
---|
539 | chdir("/tmp"); // just in case there's something wrong with g_erase_tmpdir_and_scratchdir |
---|
540 | system(g_erase_tmpdir_and_scratchdir); |
---|
541 | free_libmondo_global_strings(); |
---|
542 | paranoid_free(say_at_end); |
---|
543 | paranoid_free(tmp); |
---|
544 | paranoid_free(bkpinfo); |
---|
545 | |
---|
546 | unlink("/tmp/filelist.full"); |
---|
547 | unlink("/tmp/filelist.full.gz"); |
---|
548 | |
---|
549 | if (!g_cdrom_drive_is_here) { |
---|
550 | log_msg(10, "FYI, g_cdrom_drive_is_here was never used"); |
---|
551 | } |
---|
552 | if (!g_dvd_drive_is_here) { |
---|
553 | log_msg(10, "FYI, g_dvd_drive_is_here was never used"); |
---|
554 | } |
---|
555 | |
---|
556 | /* finalize log file with time stamp */ |
---|
557 | log_msg(0, "Time finished: %s", mr_date()); |
---|
558 | |
---|
559 | if (!g_text_mode) { |
---|
560 | popup_and_OK |
---|
561 | ("Mondo Archive has finished its run. Please press ENTER to return to the shell prompt."); |
---|
562 | log_to_screen("See %s for details of backup run.", MONDO_LOGFILE); |
---|
563 | finish(retval); |
---|
564 | } else { |
---|
565 | printf("See %s for details of backup run.\n", MONDO_LOGFILE); |
---|
566 | exit(retval); |
---|
567 | } |
---|
568 | |
---|
569 | return EXIT_SUCCESS; |
---|
570 | } |
---|