1 | /*
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2 | * $Id: main.c 426 2006-02-23 15:09:24Z bcornec $
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3 | * *
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4 | * This program is free software; you can redistribute it and/or modify *
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5 | * it under the terms of the GNU General Public License as published by *
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6 | * the Free Software Foundation; either version 2 of the License, or *
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7 | * (at your option) any later version. *
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8 | * *
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9 | ***************************************************************************
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10 | * The main file for mondoarchive.
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11 | */
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12 |
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13 | /************************* #include statements *************************/
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14 | #ifndef S_SPLINT_S
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15 | #include <pthread.h>
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16 | #endif
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17 | #include <stdio.h>
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18 | #include <stdlib.h>
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19 | #include "../common/my-stuff.h"
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20 | #include "../common/mondostructures.h"
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21 | #include "../common/libmondo.h"
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22 | #include "mondo-cli-EXT.h"
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23 |
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24 | // for CVS
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25 | //static char cvsid[] = "$Id: main.c 426 2006-02-23 15:09:24Z bcornec $";
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26 |
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27 | /************************* external variables *************************/
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28 | extern void set_signals(int);
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29 | extern int g_current_media_number;
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30 | extern void register_pid(pid_t, char *);
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31 | extern int g_currentY;
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32 | extern bool g_text_mode;
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33 | extern bool g_remount_cdrom_at_end, g_remount_floppy_at_end;
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34 | extern char *g_mondo_home;
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35 | extern char *g_tmpfs_mountpt;
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36 | extern char *g_erase_tmpdir_and_scratchdir;
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37 | extern double g_kernel_version;
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38 |
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39 | /***************** global vars, used only by main.c ******************/
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40 | bool g_skip_floppies;
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41 | long diffs;
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42 |
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43 | extern t_bkptype g_backup_media_type;
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44 | extern int g_loglevel;
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45 |
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46 | /****************** subroutines used only by main.c ******************/
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47 |
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48 |
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49 | /**
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50 | * Print a "don't panic" message to the log and a message about the logfile to the screen.
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51 | */
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52 | void welcome_to_mondoarchive()
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53 | {
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54 | log_msg(0, "Mondo Archive v%s --- http://www.mondorescue.org",
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55 | PACKAGE_VERSION);
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56 | log_msg(0, "running on %s architecture", get_architecture());
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57 | log_msg(0,
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58 | "-----------------------------------------------------------");
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59 | log_msg(0,
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60 | "NB: Mondo logs almost everything, so don't panic if you see");
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61 | log_msg(0,
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62 | "some error messages. Please read them carefully before you");
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63 | log_msg(0,
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64 | "decide to break out in a cold sweat. Despite (or perhaps");
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65 | log_msg(0,
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66 | "because of) the wealth of messages. some users are inclined");
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67 | log_msg(0,
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68 | "to stop reading this log. If Mondo stopped for some reason,");
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69 | log_msg(0,
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70 | "chances are it's detailed here. More than likely there's a");
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71 | log_msg(0,
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72 | "message at the very end of this log that will tell you what");
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73 | log_msg(0,
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74 | "is wrong. Please read it! -Devteam");
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75 | log_msg(0,
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76 | "-----------------------------------------------------------");
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77 |
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78 | log_msg(0, "Zero...");
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79 | log_msg(1, "One...");
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80 | log_msg(2, "Two...");
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81 | log_msg(3, "Three...");
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82 | log_msg(4, "Four...");
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83 | log_msg(5, "Five...");
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84 | log_msg(6, "Six...");
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85 | log_msg(7, "Seven...");
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86 | log_msg(8, "Eight...");
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87 | printf("See %s for details of backup run.\n", MONDO_LOGFILE);
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88 | }
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89 |
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90 |
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91 | extern char *g_magicdev_command;
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92 |
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93 | /**
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94 | * Do whatever is necessary to insure a successful backup on the Linux distribution
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95 | * of the day.
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96 | */
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97 | void distro_specific_kludges_at_start_of_mondoarchive()
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98 | {
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99 | log_msg(2, "Unmounting old ramdisks if necessary");
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100 | stop_magicdev_if_necessary(); // for RH+Gnome users
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101 | run_program_and_log_output
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102 | ("umount `mount | grep shm | grep mondo | cut -d' ' -f3`", 2);
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103 | unmount_supermounts_if_necessary(); // for Mandrake users whose CD-ROMs are supermounted
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104 | mount_boot_if_necessary(); // for Gentoo users with non-mounted /boot partitions
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105 | clean_up_KDE_desktop_if_necessary(); // delete various misc ~/.* files that get in the way
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106 | }
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107 |
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108 |
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109 | /**
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110 | * Undo whatever was done by distro_specific_kludges_at_start_of_mondoarchive().
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111 | */
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112 | void distro_specific_kludges_at_end_of_mondoarchive()
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113 | {
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114 | log_msg(2, "Restarting magicdev if necessary");
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115 | sync();
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116 | restart_magicdev_if_necessary(); // for RH+Gnome users
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117 |
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118 | log_msg(2, "Restarting supermounts if necessary");
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119 | sync();
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120 | remount_supermounts_if_necessary(); // for Mandrake users
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121 |
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122 | log_msg(2, "Unmounting /boot if necessary");
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123 | sync();
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124 | unmount_boot_if_necessary(); // for Gentoo users
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125 | }
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126 |
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127 |
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128 | /**
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129 | * Backup/verify the user's data.
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130 | * What did you think it did, anyway? :-)
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131 | */
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132 | int main(int argc, char *argv[])
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133 | {
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134 | struct s_bkpinfo *bkpinfo;
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135 | char *tmp;
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136 | int res = 0;
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137 | int retval = 0;
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138 | char *say_at_end = NULL;
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139 |
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140 | /* Make sure I'm root; abort if not */
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141 | if (getuid() != 0) {
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142 | fprintf(stderr, "Please run as root.\r\n");
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143 | exit(127);
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144 | }
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145 |
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146 | /* If -V, -v or --version then echo version no. and quit */
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147 | if (argc == 2
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148 | && (!strcmp(argv[argc - 1], "-v") || !strcmp(argv[argc - 1], "-V")
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149 | || !strcmp(argv[argc - 1], "--version"))) {
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150 | printf("mondoarchive v%s\nSee man page for help\n", PACKAGE_VERSION);
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151 | exit(0);
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152 | }
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153 |
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154 | /* Initialize variables */
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155 |
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156 | malloc_libmondo_global_strings();
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157 |
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158 | diffs = 0;
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159 | printf("Initializing...\n");
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160 | if (!(bkpinfo = malloc(sizeof(struct s_bkpinfo)))) {
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161 | fatal_error("Cannot malloc bkpinfo");
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162 | }
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163 |
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164 |
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165 | /* make sure PATH environmental variable allows access to mkfs, fdisk, etc. */
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166 | asprintf(&tmp, "/sbin:/usr/sbin:%s:/usr/local/sbin", getenv("PATH"));
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167 | setenv("PATH", tmp, 1);
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168 | paranoid_free(tmp);
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169 |
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170 | /* Add the ARCH environment variable for ia64 purposes */
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171 | setenv("ARCH", get_architecture(), 1);
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172 |
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173 | /* Add MONDO_SHARE environment variable for mindi */
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174 | setenv_mondo_share();
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175 |
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176 | unlink(MONDO_LOGFILE);
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177 |
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178 | /* Configure the bkpinfo structure, global file paths, etc. */
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179 | g_main_pid = getpid();
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180 | log_msg(9, "This");
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181 |
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182 | register_pid(g_main_pid, "mondo");
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183 | set_signals(TRUE); // catch SIGTERM, etc.
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184 | run_program_and_log_output("date", 1);
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185 | run_program_and_log_output("dmesg -n1", TRUE);
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186 |
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187 | log_msg(9, "Next");
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188 | welcome_to_mondoarchive();
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189 | distro_specific_kludges_at_start_of_mondoarchive();
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190 | // BERLIOS : too early, bkpinfo is not initialized ??
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191 | //sprintf(g_erase_tmpdir_and_scratchdir, "rm -Rf %s %s", bkpinfo->tmpdir, bkpinfo->scratchdir);
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192 | g_kernel_version = get_kernel_version();
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193 |
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194 | if (argc == 4 && !strcmp(argv[1], "getfattr")) {
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195 | g_loglevel = 10;
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196 | g_text_mode = TRUE;
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197 | setup_newt_stuff();
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198 | if (!strstr(argv[2], "filelist")) {
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199 | printf("Sorry - filelist goes first\n");
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200 | finish(1);
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201 | } else {
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202 | finish(get_fattr_list(argv[2], argv[3]));
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203 | }
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204 | finish(0);
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205 | }
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206 | if (argc == 4 && !strcmp(argv[1], "setfattr")) {
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207 | g_loglevel = 10;
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208 | g_text_mode = TRUE;
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209 | setup_newt_stuff();
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210 | finish(set_fattr_list(argv[2], argv[3]));
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211 | }
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212 |
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213 | if (argc == 3 && !strcmp(argv[1], "wildcards")) {
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214 | g_loglevel = 10;
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215 | g_text_mode = TRUE;
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216 | setup_newt_stuff();
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217 | turn_wildcard_chars_into_literal_chars(tmp, argv[2]);
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218 | printf("in=%s; out=%s\n", argv[2], tmp);
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219 | paranoid_free(tmp);
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220 | finish(1);
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221 | }
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222 |
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223 | if (argc == 4 && !strcmp(argv[1], "getfacl")) {
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224 | g_loglevel = 10;
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225 | g_text_mode = TRUE;
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226 | setup_newt_stuff();
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227 | if (!strstr(argv[2], "filelist")) {
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228 | printf("Sorry - filelist goes first\n");
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229 | finish(1);
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230 | } else {
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231 | finish(get_acl_list(argv[2], argv[3]));
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232 | }
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233 | finish(0);
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234 | }
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235 | if (argc == 4 && !strcmp(argv[1], "setfacl")) {
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236 | g_loglevel = 10;
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237 | g_text_mode = TRUE;
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238 | setup_newt_stuff();
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239 | finish(set_acl_list(argv[2], argv[3]));
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240 | }
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241 |
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242 | if (argc > 2 && !strcmp(argv[1], "find-cd")) {
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243 | g_loglevel = 10;
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244 | g_text_mode = TRUE;
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245 | setup_newt_stuff();
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246 | if ((tmp = find_cdrw_device()) == NULL) {
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247 | printf("Failed to find CDR-RW drive\n");
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248 | } else {
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249 | printf("CD-RW is at %s\n", tmp);
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250 | }
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251 | paranoid_free(tmp);
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252 |
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253 | if ((tmp = find_cdrom_device(FALSE)) == NULL) {
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254 | printf("Failed to find CD-ROM drive\n");
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255 | } else {
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256 | printf("CD-ROM is at %s\n", tmp);
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257 | }
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258 | paranoid_free(tmp);
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259 | finish(0);
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260 | }
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261 |
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262 | if (argc > 2 && !strcmp(argv[1], "find-dvd")) {
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263 | g_loglevel = 10;
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264 | g_text_mode = TRUE;
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265 | setup_newt_stuff();
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266 | if ((tmp = find_dvd_device()) == NULL) {
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267 | printf("Failed to find DVD drive\n");
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268 | } else {
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269 | printf("DVD is at %s\n", tmp);
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270 | }
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271 | paranoid_free(tmp);
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272 | finish(0);
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273 | }
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274 |
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275 | if (argc > 2 && !strcmp(argv[1], "disksize")) {
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276 | printf("%s --> %ld\n", argv[2], get_phys_size_of_drive(argv[2]));
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277 | finish(0);
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278 | }
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279 | if (argc > 2 && !strcmp(argv[1], "test-dev")) {
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280 | if (is_dev_an_NTFS_dev(argv[2])) {
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281 | printf("%s is indeed an NTFS dev\n", argv[2]);
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282 | } else {
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283 | printf("%s is _not_ an NTFS dev\n", argv[2]);
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284 | }
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285 | finish(0);
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286 | }
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287 |
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288 | if (pre_param_configuration(bkpinfo)) {
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289 | fatal_error
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290 | ("Pre-param initialization phase failed. Please review the error messages above, make the specified changes, then try again. Exiting...");
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291 | }
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292 |
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293 | /* Process command line, if there is one. If not, ask user for info. */
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294 | if (argc == 1) {
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295 | g_text_mode = FALSE;
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296 | setup_newt_stuff();
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297 | res = interactively_obtain_media_parameters_from_user(bkpinfo, TRUE); /* yes, archiving */
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298 | if (res) {
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299 | fatal_error
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300 | ("Syntax error. Please review the parameters you have supplied and try again.");
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301 | }
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302 | } else {
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303 | res = handle_incoming_parameters(argc, argv, bkpinfo);
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304 | if (res) {
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305 | printf
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306 | ("Errors were detected in the command line you supplied.\n");
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307 | printf("Please review the log file - " MONDO_LOGFILE "\n");
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308 | log_msg(1, "Mondoarchive will now exit.");
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309 | finish(1);
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310 | }
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311 | setup_newt_stuff();
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312 | }
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313 |
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314 | /* Finish configuring global structures */
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315 | if (post_param_configuration(bkpinfo)) {
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316 | fatal_error
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317 | ("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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318 | }
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319 |
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320 | log_to_screen
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321 | ("BusyBox's sources are available from http://www.busybox.net");
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322 |
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323 | /* If we're meant to backup then backup */
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324 | if (bkpinfo->backup_data) {
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325 | res = backup_data(bkpinfo);
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326 | retval += res;
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327 | if (res) {
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328 | asprintf(&say_at_end,
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329 | "Data archived. Please check the logs, just as a precaution. ");
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330 | } else {
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331 | asprintf(&say_at_end, "Data archived OK. ");
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332 | }
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333 | }
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334 |
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335 | /* If we're meant to verify then verify */
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336 | if (bkpinfo->verify_data) {
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337 | res = verify_data(bkpinfo);
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338 | if (res < 0) {
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339 | asprintf(&say_at_end, "%d difference%c found.", -res,
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340 | (-res != 1) ? 's' : ' ');
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341 | res = 0;
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342 | }
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343 | retval += res;
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344 | }
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345 |
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346 | /* Offer to write floppy disk images to physical disks */
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347 | if (bkpinfo->backup_data && !g_skip_floppies) {
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348 | res = offer_to_write_boot_floppies_to_physical_disks(bkpinfo);
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349 | retval += res;
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350 | }
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351 |
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352 | /* Report result of entire operation (success? errors?) */
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353 | if (retval == 0) {
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354 | mvaddstr_and_log_it(g_currentY++, 0,
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355 | "Backup and/or verify ran to completion. Everything appears to be fine.");
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356 | } else {
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357 | mvaddstr_and_log_it(g_currentY++, 0,
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358 | "Backup and/or verify ran to completion. However, errors did occur.");
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359 | }
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360 |
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361 | if (does_file_exist("/root/images/mindi/mondorescue.iso")) {
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362 | log_to_screen
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363 | ("/root/images/mindi/mondorescue.iso, a boot/utility CD, is available if you want it.");
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364 | }
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365 |
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366 |
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367 | if (length_of_file("/tmp/changed.files") > 2) {
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368 | if (g_text_mode) {
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369 | log_to_screen
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370 | ("Type 'less /tmp/changed.files' to see which files don't match the archives");
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371 | } else {
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372 | log_msg(1,
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373 | "Type 'less /tmp/changed.files' to see which files don't match the archives");
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374 | log_msg(2, "Calling popup_changelist_from_file()");
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375 | popup_changelist_from_file("/tmp/changed.files");
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376 | log_msg(2, "Returned from popup_changelist_from_file()");
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377 | }
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378 | } else {
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379 | unlink("/tmp/changed.files");
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380 | }
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381 | log_to_screen(say_at_end);
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382 | paranoid_free(say_at_end);
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383 |
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384 | asprintf(&tmp, "umount %s/tmpfs", bkpinfo->tmpdir);
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385 | run_program_and_log_output(tmp, TRUE);
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386 | paranoid_free(tmp);
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387 |
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388 | sprintf(g_erase_tmpdir_and_scratchdir, "rm -Rf %s %s", bkpinfo->tmpdir,
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389 | bkpinfo->scratchdir);
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390 | run_program_and_log_output(g_erase_tmpdir_and_scratchdir, TRUE);
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391 |
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392 | run_program_and_log_output("mount", 2);
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393 |
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394 | system("rm -f /var/cache/mondo-archive/last-backup.aborted");
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395 | system("rm -Rf /tmp.mondo.* /mondo.scratch.*");
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396 | if (retval == 0) {
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397 | printf("Mondoarchive ran OK.\n");
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398 | } else {
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399 | printf("Errors occurred during backup. Please check logfile.\n");
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400 | }
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401 | distro_specific_kludges_at_end_of_mondoarchive();
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402 | register_pid(0, "mondo");
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403 | set_signals(FALSE);
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404 | chdir("/tmp"); // just in case there's something wrong with g_erase_tmpdir_and_scratchdir
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405 | system(g_erase_tmpdir_and_scratchdir);
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406 | free_libmondo_global_strings();
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407 | paranoid_free(bkpinfo);
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408 |
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409 | unlink("/tmp/filelist.full");
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410 | unlink("/tmp/filelist.full.gz");
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411 |
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412 | run_program_and_log_output("date", 1);
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413 |
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414 | if (!g_text_mode) {
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415 | popup_and_OK
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416 | ("Mondo Archive has finished its run. Please press ENTER to return to the shell prompt.");
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417 | log_to_screen("See %s for details of backup run.", MONDO_LOGFILE);
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418 | finish(retval);
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419 | } else {
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420 | printf("See %s for details of backup run.\n", MONDO_LOGFILE);
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421 | exit(retval);
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422 | }
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423 |
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424 | return EXIT_SUCCESS;
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425 | }
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