1 | /* $Id: libmondo-tools.c 94 2005-10-28 23:08:39Z bcornec $
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2 | misc tools
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3 | */
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4 |
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5 | /**
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6 | * @file
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7 | * Miscellaneous tools that didn't really fit anywhere else.
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8 | */
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9 |
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10 | #include "my-stuff.h"
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11 | #include "mondostructures.h"
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12 | #include "lib-common-externs.h"
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13 | #include "libmondo-tools.h"
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14 | #include "libmondo-gui-EXT.h"
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15 | #include "libmondo-files-EXT.h"
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16 | #include "libmondo-fork-EXT.h"
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17 | #include "libmondo-raid-EXT.h"
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18 | #include <sys/socket.h>
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19 | #include <netdb.h>
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20 | #include <netinet/in.h>
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21 | #include <arpa/inet.h>
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22 |
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23 | /*@unused@*/
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24 | //static char cvsid[] = "$Id: libmondo-tools.c 94 2005-10-28 23:08:39Z bcornec $";
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25 |
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26 | extern int g_tape_buffer_size_MB;
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27 | extern char *g_erase_tmpdir_and_scratchdir;
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28 | extern char *g_serial_string;
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29 | extern bool g_text_mode;
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30 | extern int g_currentY;
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31 | extern int g_current_media_number;
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32 |
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33 | /**
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34 | * @addtogroup globalGroup
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35 | * @{
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36 | */
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37 | bool g_remount_cdrom_at_end, ///< TRUE if we unmounted the CD-ROM and should remount it when done with the backup.
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38 | g_remount_floppy_at_end; ///< TRUE if we unmounted the floppy and should remount it when done with the backup.
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39 | bool g_cd_recovery; ///< TRUE if we're making an "autonuke" backup.
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40 | double g_kernel_version;
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41 |
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42 | /**
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43 | * The place where /boot is mounted. - Used locally only
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44 | */
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45 | static char *g_boot_mountpt = NULL;
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46 |
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47 | /**
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48 | * The location of Mondo's home directory.
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49 | */
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50 | char *g_mondo_home = NULL;
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51 |
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52 | /**
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53 | * The serial string (used to differentiate between backups) of the current backup.
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54 | */
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55 | char *g_serial_string = NULL;
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56 |
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57 | /**
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58 | * The location where tmpfs is mounted, or "" if it's not mounted.
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59 | */
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60 | char *g_tmpfs_mountpt = NULL;
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61 | char *g_magicdev_command = NULL;
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62 |
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63 | /**
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64 | * The default maximum level to log messages at or below.
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65 | */
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66 | int g_loglevel = DEFAULT_DEBUG_LEVEL;
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67 |
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68 | /* @} - end of globalGroup */
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69 |
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70 |
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71 | extern pid_t g_buffer_pid;
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72 | extern pid_t g_main_pid;
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73 |
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74 | extern t_bkptype g_backup_media_type;
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75 |
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76 | extern bool am_I_in_disaster_recovery_mode(void);
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77 |
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78 |
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79 | /**
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80 | * @addtogroup utilityGroup
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81 | * @{
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82 | */
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83 | /**
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84 | * Assertion handler. Prints a friendly message to the user,
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85 | * offering to ignore all, dump core, break to debugger,
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86 | * exit, or ignore. Intended to be used with an assert() macro.
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87 | *
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88 | * @param file The file in which the assertion triggered.
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89 | * @param function The function (@c __FUNCTION__) in which the assertion triggered.
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90 | * @param line The line number of the assert() statement.
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91 | * @param exp The expression that failed (as a string).
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92 | */
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93 | void _mondo_assert_fail(const char *file,
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94 | const char *function, int line, const char *exp)
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95 | {
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96 | static int ignoring_assertions = 0;
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97 | bool is_valid = TRUE;
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98 |
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99 | log_it("ASSERTION FAILED: `%s' at %s:%d in %s", exp, file, line,
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100 | function);
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101 | if (ignoring_assertions) {
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102 | log_it("Well, the user doesn't care...");
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103 | return;
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104 | }
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105 | #ifndef _XWIN
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106 | if (!g_text_mode)
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107 | newtSuspend();
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108 | #endif
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109 | printf("ASSERTION FAILED: `%s'\n", exp);
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110 | printf("\tat %s:%d in %s\n\n", file, line, function);
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111 | printf("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
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112 | do {
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113 | is_valid = TRUE;
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114 | switch (toupper(getchar())) {
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115 | case 'A': // ignore (A)ll
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116 | ignoring_assertions = 1;
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117 | break;
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118 | case 'B': // a(B)ort
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119 | signal(SIGABRT, SIG_DFL); /* prevent SIGABRT handler from running */
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120 | raise(SIGABRT);
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121 | break; /* "can't get here" */
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122 | case 'D': // (D)ebug, aka asm("int 3")
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123 | #ifdef __IA32__
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124 | __asm__ __volatile__("int $3"); // break to debugger
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125 | #endif
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126 | break;
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127 | case 'E': // (E)xit
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128 | fatal_error("Failed assertion -- see above for details");
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129 | break; /* "can't get here" */
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130 | case 'I': // (I)gnore
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131 | break;
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132 | /* These next two work as follows:
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133 | the `default' catches the user's invalid choice and says so;
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134 | the '\n' catches the newline on the end and prints the prompt again.
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135 | */
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136 | case '\n':
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137 | printf
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138 | ("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
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139 | break;
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140 | default:
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141 | is_valid = FALSE;
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142 | printf("Invalid choice.\n");
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143 | break;
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144 | }
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145 | } while (!is_valid);
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146 |
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147 | if (ignoring_assertions) {
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148 | log_it("Ignoring ALL assertions from now on.");
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149 | } else {
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150 | log_it("Ignoring assertion: %s", exp);
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151 | }
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152 |
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153 | getchar(); // skip \n
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154 |
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155 | #ifndef _XWIN
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156 | if (!g_text_mode)
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157 | newtResume();
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158 | #endif
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159 | }
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160 |
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161 | /**
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162 | * Clean's up users' KDE desktops.
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163 | * @bug Details about this function are unknown.
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164 | */
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165 | void clean_up_KDE_desktop_if_necessary(void)
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166 | {
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167 | char *tmp;
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168 |
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169 | asprintf(&tmp,
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170 | "for i in `find /root /home -type d -name Desktop -maxdepth 2`; do \
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171 | file=$i/.directory; if [ -f \"$file\" ] ; then mv -f $file $file.old ; \
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172 | cat $file.old | awk '{if (index($0, \"rootimagesmindi\")) { while (length($0)>2) { getline;} ; } \
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173 | else { print $0;};}' > $file ; fi ; done");
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174 | run_program_and_log_output(tmp, 5);
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175 | paranoid_free(tmp);
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176 | }
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177 |
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178 |
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179 | /**
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180 | * Locate mondoarchive's home directory. Searches in /usr/local/mondo, /usr/share/mondo,
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181 | * /usr/local/share/mondo, /opt, or if all else fails, search /usr.
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182 | *
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183 | * @param home_sz String to store the home directory ("" if it could not be found).
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184 | * @return 0 for success, nonzero for failure.
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185 | */
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186 | char *find_and_store_mondoarchives_home()
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187 | {
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188 | char *home_sz = NULL;
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189 |
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190 | asprintf(&home_sz,
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191 | call_program_and_get_last_line_of_output
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192 | ("find /usr/lib/ /usr/local/ /usr/share/ /usr/local/share/ /opt/ /ramdisk/usr/share/ -type d -maxdepth 2 -name include -prune -o -type d -maxdepth 2 -path '*/mondo/restore-scripts' -printf '%h\n' 2> /dev/null"));
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193 |
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194 | if (home_sz[0] == '\0') {
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195 | paranoid_free(home_sz);
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196 | asprintf(&home_sz,
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197 | call_program_and_get_last_line_of_output
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198 | ("find /usr -type d -path '*/mondo/restore-scripts' -follow -maxdepth 3 -printf '%h\n' 2> /dev/null"));
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199 | }
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200 | if (home_sz[0] == '\0') {
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201 | paranoid_free(home_sz);
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202 | home_sz = NULL;
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203 | } else {
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204 | log_it("mondoarchive home found at %s", home_sz);
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205 | }
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206 | return (home_sz);
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207 | }
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208 |
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209 |
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210 | char *get_architecture()
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211 | {
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212 | #ifdef __IA32__
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213 | return ("i386");
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214 | #endif
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215 | #ifdef __X86_64__
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216 | return ("x86-64");
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217 | #endif
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218 | #ifdef __IA64__
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219 | return ("ia64");
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220 | #endif
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221 | return ("unknown");
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222 | }
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223 |
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224 |
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225 |
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226 | double get_kernel_version()
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227 | {
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228 | char *p, *tmp;
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229 | double d;
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230 | #ifdef __FreeBSD__
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231 | // JOSH - FIXME :)
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232 | d = 5.2; // :-)
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233 | #else
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234 | asprintf(&tmp, call_program_and_get_last_line_of_output("uname -r"));
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235 | p = strchr(tmp, '.');
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236 | if (p) {
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237 | p = strchr(++p, '.');
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238 | if (p) {
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239 | while (*p) {
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240 | *p = *(p + 1);
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241 | p++;
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242 | }
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243 | }
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244 | }
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245 | // log_msg(1, "tmp = '%s'", tmp);
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246 | d = atof(tmp);
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247 | #endif
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248 | log_msg(1, "g_kernel_version = %f", d);
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249 | return (d);
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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 | * Get the current time.
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258 | * @return number of seconds since the epoch.
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259 | */
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260 | long get_time()
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261 | {
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262 | return (long) time((void *) 0);
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263 | }
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264 |
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265 |
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266 |
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267 |
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268 |
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269 |
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270 |
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271 | /**
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272 | * Initialize a RAID volume structure, setting fields to zero. The
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273 | * actual hard drive is unaffected.
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274 | *
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275 | * @param raidrec The RAID volume structure to initialize.
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276 | * @note This function is system dependent.
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277 | */
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278 | #ifdef __FreeBSD__
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279 | void initialize_raidrec(struct vinum_volume *raidrec)
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280 | {
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281 | int i, j;
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282 | raidrec->volname[0] = '\0';
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283 | raidrec->plexes = 0;
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284 | for (i = 0; i < 9; ++i) {
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285 | raidrec->plex[i].raidlevel = -1;
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286 | raidrec->plex[i].stripesize = 0;
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287 | raidrec->plex[i].subdisks = 0;
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288 | for (j = 0; j < 9; ++j) {
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289 | strcpy(raidrec->plex[i].sd[j].which_device, "");
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290 | }
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291 | }
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292 | }
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293 | #else
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294 | void initialize_raidrec(struct raid_device_record *raidrec)
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295 | {
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296 | assert(raidrec != NULL);
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297 | raidrec->raid_device[0] = '\0';
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298 | raidrec->raid_level = 0;
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299 | raidrec->chunk_size = 4;
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300 | raidrec->persistent_superblock = 1;
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301 | raidrec->data_disks.entries = 0;
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302 | raidrec->spare_disks.entries = 0;
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303 | raidrec->parity_disks.entries = 0;
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304 | raidrec->failed_disks.entries = 0;
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305 | raidrec->additional_vars.entries = 0;
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306 | }
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307 | #endif
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308 |
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309 |
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310 |
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311 |
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312 | /**
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313 | * Insert modules that Mondo requires.
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314 | * Currently inserts @c dos, @c fat, @c vfat, and @c osst for Linux;
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315 | * @c msdosfs and @c ext2fs for FreeBSD.
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316 | */
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317 | void insmod_crucial_modules(void)
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318 | {
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319 | #ifdef __FreeBSD__
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320 | system("kldstat | grep msdosfs || kldload msdosfs 2> /dev/null");
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321 | system("kldstat | grep ext2fs || kldload ext2fs 2> /dev/null");
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322 | #else
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323 | system("modprobe -a dos fat vfat loop &> /dev/null");
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324 | #endif
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325 | }
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326 |
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327 |
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328 | /**
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329 | * Finish configuring the backup information structure. Call this function
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330 | * to set the parameters that depend on those that can be given on the command
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331 | * line.
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332 | *
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333 | * @param bkpinfo The backup information structure. Fields modified/used:
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334 | * - Used: @c bkpinfo->backup_data
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335 | * - Used: @c bkpinfo->backup_media_type
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336 | * - Used: @c bkpinfo->cdrw_speed
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337 | * - Used: @c bkpinfo->compression_level
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338 | * - Used: @c bkpinfo->include_paths
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339 | * - Used: @c bkpinfo->prefix
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340 | * - Used: @c bkpinfo->isodir
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341 | * - Used: @c bkpinfo->manual_cd_tray
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342 | * - Used: @c bkpinfo->make_cd_use_lilo
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343 | * - Used: @c bkpinfo->media_device
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344 | * - Used: @c bkpinfo->nfs_mount
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345 | * - Used: @c bkpinfo->nonbootable_backup
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346 | * - Used: @c bkpinfo->scratchdir
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347 | * - Used: @c bkpinfo->tmpdir
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348 | * - Used: @c bkpinfo->use_lzo
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349 | * - Modified: @c bkpinfo->call_before_iso
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350 | * - Modified: @c bkpinfo->call_make_iso
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351 | * - Modified: @c bkpinfo->optimal_set_size
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352 | * - Modified: @c bkpinfo->zip_exe
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353 | * - Modified: @c bkpinfo->zip_suffix
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354 | *
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355 | * @return number of errors, or 0 for success.
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356 | * @note Also creates directories that are specified in the @c bkpinfo structure but
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357 | * do not exist.
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358 | */
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359 | int post_param_configuration(struct s_bkpinfo *bkpinfo)
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360 | {
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361 | char *extra_cdrom_params = NULL;
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362 | char *mondo_mkisofs_sz = NULL;
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363 | char *command;
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364 | char *hostname, *ip_address;
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365 | int retval = 0;
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366 | long avm = 0;
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367 | char *colon;
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368 | char *cdr_exe;
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369 | char *tmp;
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370 | char *tmp1;
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371 | int rdsiz_MB;
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372 | char *iso_path;
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373 |
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374 | assert(bkpinfo != NULL);
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375 | bkpinfo->optimal_set_size =
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376 | (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type) ? 4 : 8) *
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377 | 1024;
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378 |
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379 | log_msg(1, "Foo");
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380 | if (bkpinfo->backup_media_type == tape) {
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381 | log_msg(1, "Bar");
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382 | asprintf(&tmp, "mt -f %s status", bkpinfo->media_device);
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383 | log_msg(1, "tmp = '%s'", tmp);
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384 | if (run_program_and_log_output(tmp, 3)) {
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385 | fatal_error
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386 | ("Unable to open tape device. If you haven't specified it with -d, do so. If you already have, check your parameter. I think it's wrong.");
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387 | }
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388 | paranoid_free(tmp);
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389 | }
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390 | make_hole_for_dir(bkpinfo->scratchdir);
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391 | make_hole_for_dir(bkpinfo->tmpdir);
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392 | if (bkpinfo->backup_media_type == iso)
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393 | make_hole_for_dir(bkpinfo->isodir);
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394 |
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395 | run_program_and_log_output("uname -a", 5);
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396 | run_program_and_log_output("cat /etc/*issue*", 5);
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397 | asprintf(&g_tmpfs_mountpt, "%s/tmpfs", bkpinfo->tmpdir);
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398 | asprintf(&command, "mkdir -p %s", g_tmpfs_mountpt);
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399 | paranoid_system(command);
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400 | paranoid_free(command);
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401 | rdsiz_MB = PPCFG_RAMDISK_SIZE + g_tape_buffer_size_MB;
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402 | #ifdef __FreeBSD__
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403 | asprintf(&tmp,
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404 | call_program_and_get_last_line_of_output
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405 | ("vmstat | tail -1 | tr -s ' ' | cut -d' ' -f6"));
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406 | avm += atol(tmp);
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407 | paranoid_free(tmp);
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408 | asprintf(&tmp,
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409 | call_program_and_get_last_line_of_output
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410 | ("swapinfo | grep -v Device | tr -s ' ' | cut -d' ' -f4 | tr '\n' '+' | sed 's/+$//' | bc"));
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411 | avm += atol(tmp);
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412 | paranoid_free(tmp);
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413 | asprintf(&command, "mdmfs -s %d%c md9 %s", rdsiz_MB, 'm',
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414 | g_tmpfs_mountpt);
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415 | #else
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416 | asprintf(&tmp,
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417 | call_program_and_get_last_line_of_output
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418 | ("free | grep \":\" | tr -s ' ' '\t' | cut -f2 | head -n1"));
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419 | avm += atol(tmp);
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420 | paranoid_free(tmp);
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421 | asprintf(&command, "mount /dev/shm -t tmpfs %s -o size=%d%c",
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422 | g_tmpfs_mountpt, rdsiz_MB, 'm');
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423 | run_program_and_log_output("cat /proc/cpuinfo", 5);
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424 | /* BERLIOS: rpm is not necessarily there ! */
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425 | run_program_and_log_output
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426 | ("rpm -q newt newt-devel slang slang-devel ncurses ncurses-devel gcc",
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427 | 5);
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428 | #endif
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429 | if (avm / 1024 > rdsiz_MB * 3) {
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430 | if (run_program_and_log_output(command, 5)) {
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431 | g_tmpfs_mountpt[0] = '\0';
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432 | log_it("Failed to mount tmpfs");
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433 | } else {
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434 | log_it("Tmpfs mounted OK - %d MB", rdsiz_MB);
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435 | }
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436 | } else {
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437 | g_tmpfs_mountpt[0] = '\0';
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438 | log_it("It doesn't seem you have enough swap to use tmpfs. Fine.");
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439 | }
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440 | paranoid_free(command);
|
---|
441 |
|
---|
442 | if (bkpinfo->use_lzo) {
|
---|
443 | strcpy(bkpinfo->zip_exe, "lzop");
|
---|
444 | strcpy(bkpinfo->zip_suffix, "lzo");
|
---|
445 | } else if (bkpinfo->compression_level != 0) {
|
---|
446 | strcpy(bkpinfo->zip_exe, "bzip2");
|
---|
447 | strcpy(bkpinfo->zip_suffix, "bz2");
|
---|
448 | } else {
|
---|
449 | bkpinfo->zip_exe[0] = bkpinfo->zip_suffix[0] = '\0';
|
---|
450 | }
|
---|
451 |
|
---|
452 | // DVD
|
---|
453 |
|
---|
454 | if (bkpinfo->backup_media_type == dvd) {
|
---|
455 | if (! (find_home_of_exe("growisofs"))) {
|
---|
456 | fatal_error("Please install growisofs.");
|
---|
457 | }
|
---|
458 | if (bkpinfo->nonbootable_backup) {
|
---|
459 | asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_NONBOOT);
|
---|
460 | } else if
|
---|
461 | #ifdef __FreeBSD__
|
---|
462 | (TRUE)
|
---|
463 | #else
|
---|
464 | (bkpinfo->make_cd_use_lilo)
|
---|
465 | #endif
|
---|
466 | #ifdef __IA64__
|
---|
467 | {
|
---|
468 | asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_ELILO);
|
---|
469 | }
|
---|
470 | #else
|
---|
471 | {
|
---|
472 | asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_LILO);
|
---|
473 | }
|
---|
474 | #endif
|
---|
475 | else
|
---|
476 | {
|
---|
477 | asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_SYSLINUX);
|
---|
478 | }
|
---|
479 | if (bkpinfo->manual_cd_tray) {
|
---|
480 | fatal_error("Manual CD tray + DVD not supported yet.");
|
---|
481 | // -m isn't supported by growisofs, BTW...
|
---|
482 | } else {
|
---|
483 | sprintf(bkpinfo->call_make_iso,
|
---|
484 | "%s %s -Z %s . 2>> _ERR_",
|
---|
485 | mondo_mkisofs_sz,
|
---|
486 | "", bkpinfo->media_device);
|
---|
487 | }
|
---|
488 | paranoid_free(mondo_mkisofs_sz);
|
---|
489 |
|
---|
490 | if (getenv("SUDO_COMMAND")) {
|
---|
491 | fatal_error
|
---|
492 | ("Can't write DVDs as sudo because growisofs doesn't support this - please see the growisofs manpage for details.");
|
---|
493 | }
|
---|
494 | log_msg(2, "call_make_iso (DVD res) is ... %s",
|
---|
495 | bkpinfo->call_make_iso);
|
---|
496 | } // end of DVD code
|
---|
497 |
|
---|
498 | // CD-R or CD-RW
|
---|
499 | if (bkpinfo->backup_media_type == cdrw
|
---|
500 | || bkpinfo->backup_media_type == cdr) {
|
---|
501 | if (!bkpinfo->manual_cd_tray) {
|
---|
502 | asprintf(&extra_cdrom_params, "-waiti ");
|
---|
503 | }
|
---|
504 | if (bkpinfo->backup_media_type == cdrw) {
|
---|
505 | if (extra_cdrom_params != NULL) {
|
---|
506 | asprintf(&tmp, extra_cdrom_params);
|
---|
507 | paranoid_free(extra_cdrom_params);
|
---|
508 | asprintf(&extra_cdrom_params, "%s blank=fast ", tmp);
|
---|
509 | } else {
|
---|
510 | asprintf(&extra_cdrom_params, "blank=fast ");
|
---|
511 | }
|
---|
512 | }
|
---|
513 | if (find_home_of_exe("cdrecord")) {
|
---|
514 | asprintf(&cdr_exe, "cdrecord");
|
---|
515 | } else if (find_home_of_exe("dvdrecord")) {
|
---|
516 | asprintf(&cdr_exe, "dvdrecord");
|
---|
517 | } else {
|
---|
518 | fatal_error("Please install either cdrecord or dvdrecord.");
|
---|
519 | }
|
---|
520 | if (bkpinfo->nonbootable_backup) {
|
---|
521 | asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_NONBOOT);
|
---|
522 | } else if
|
---|
523 | #ifdef __FreeBSD__
|
---|
524 | (TRUE)
|
---|
525 | #else
|
---|
526 | (bkpinfo->make_cd_use_lilo)
|
---|
527 | #endif
|
---|
528 | #ifdef __IA64__
|
---|
529 | {
|
---|
530 | asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_ELILO);
|
---|
531 | }
|
---|
532 | #else
|
---|
533 | {
|
---|
534 | asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_LILO);
|
---|
535 | }
|
---|
536 | #endif
|
---|
537 | else
|
---|
538 | {
|
---|
539 | asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_SYSLINUX);
|
---|
540 | }
|
---|
541 | if (bkpinfo->manual_cd_tray) {
|
---|
542 | sprintf(bkpinfo->call_before_iso,
|
---|
543 | "%s -o %s/temporary.iso . 2>> _ERR_", mondo_mkisofs_sz,
|
---|
544 | bkpinfo->tmpdir);
|
---|
545 | sprintf(bkpinfo->call_make_iso,
|
---|
546 | "%s %s -v %s fs=4m dev=%s speed=%d %s/temporary.iso",
|
---|
547 | cdr_exe, (bkpinfo->please_dont_eject) ? " " : "-eject",
|
---|
548 | extra_cdrom_params, bkpinfo->media_device,
|
---|
549 | bkpinfo->cdrw_speed, bkpinfo->tmpdir);
|
---|
550 | } else {
|
---|
551 | sprintf(bkpinfo->call_make_iso,
|
---|
552 | "%s . 2>> _ERR_ | %s %s %s fs=4m dev=%s speed=%d -",
|
---|
553 | mondo_mkisofs_sz, cdr_exe,
|
---|
554 | (bkpinfo->please_dont_eject) ? " " : "-eject",
|
---|
555 | extra_cdrom_params, bkpinfo->media_device,
|
---|
556 | bkpinfo->cdrw_speed);
|
---|
557 | }
|
---|
558 | paranoid_free(mondo_mkisofs_sz);
|
---|
559 | paranoid_free(cdr_exe);
|
---|
560 | paranoid_free(extra_cdrom_params);
|
---|
561 | } // end of CD code
|
---|
562 |
|
---|
563 | if (bkpinfo->backup_media_type == iso) {
|
---|
564 |
|
---|
565 | /* Patch by Conor Daly <conor.daly@met.ie>
|
---|
566 | * 23-june-2004
|
---|
567 | * Break up isodir into iso_mnt and iso_path
|
---|
568 | * These will be used along with iso-dev at restore time
|
---|
569 | * to locate the ISOs where ever they're mounted
|
---|
570 | */
|
---|
571 |
|
---|
572 | log_it("isodir = %s", bkpinfo->isodir);
|
---|
573 | asprintf(&command, "df %s | tail -n1 | cut -d' ' -f1",
|
---|
574 | bkpinfo->isodir);
|
---|
575 | log_it("command = %s", command);
|
---|
576 | asprintf(&tmp, call_program_and_get_last_line_of_output(command));
|
---|
577 | paranoid_free(command);
|
---|
578 | log_it("res of it = %s", tmp);
|
---|
579 | asprintf(&tmp1, "%s/ISO-DEV", bkpinfo->tmpdir);
|
---|
580 | write_one_liner_data_file(tmp1, tmp);
|
---|
581 | paranoid_free(tmp1);
|
---|
582 |
|
---|
583 | asprintf(&command, "mount | grep -w %s | tail -n1 | cut -d' ' -f3",
|
---|
584 | tmp);
|
---|
585 | paranoid_free(tmp);
|
---|
586 | log_it("command = %s", command);
|
---|
587 | asprintf(&tmp, call_program_and_get_last_line_of_output(command));
|
---|
588 | paranoid_free(command);
|
---|
589 | log_it("res of it = %s", tmp);
|
---|
590 |
|
---|
591 | asprintf(&tmp1, "%s/ISO-MNT", bkpinfo->tmpdir);
|
---|
592 | write_one_liner_data_file(tmp1, tmp);
|
---|
593 | paranoid_free(tmp1);
|
---|
594 |
|
---|
595 | log_it("isomnt: %s, %d", tmp, strlen(tmp));
|
---|
596 | if (strlen(bkpinfo->isodir) < strlen(tmp)) {
|
---|
597 | asprintf(&iso_path,"");
|
---|
598 | } else {
|
---|
599 | asprintf(&iso_path, "%s", bkpinfo->isodir + strlen(tmp));
|
---|
600 | }
|
---|
601 | paranoid_free(tmp);
|
---|
602 |
|
---|
603 | asprintf(&tmp, "%s/ISODIR", bkpinfo->tmpdir);
|
---|
604 | write_one_liner_data_file(tmp, iso_path);
|
---|
605 | paranoid_free(tmp);
|
---|
606 | log_it("isodir: %s", iso_path);
|
---|
607 | paranoid_free(iso_path);
|
---|
608 |
|
---|
609 | /* End patch */
|
---|
610 | } // end of iso code
|
---|
611 |
|
---|
612 | if (bkpinfo->backup_media_type == nfs) {
|
---|
613 | asprintf(&hostname, bkpinfo->nfs_mount);
|
---|
614 | colon = strchr(hostname, ':');
|
---|
615 | if (!colon) {
|
---|
616 | log_it("nfs mount doesn't have a colon in it");
|
---|
617 | retval++;
|
---|
618 | } else {
|
---|
619 | struct hostent *hent;
|
---|
620 |
|
---|
621 | *colon = '\0';
|
---|
622 | hent = gethostbyname(hostname);
|
---|
623 | if (!hent) {
|
---|
624 | log_it("Can't resolve NFS mount (%s): %s", hostname,
|
---|
625 | hstrerror(h_errno));
|
---|
626 | retval++;
|
---|
627 | } else {
|
---|
628 | asprintf(&ip_address, "%s%s", inet_ntoa((struct in_addr)
|
---|
629 | *((struct in_addr *) hent->
|
---|
630 | h_addr)), strchr(bkpinfo->nfs_mount, ':'));
|
---|
631 | strcpy(bkpinfo->nfs_mount, ip_address);
|
---|
632 | paranoid_free(ip_address);
|
---|
633 | }
|
---|
634 | }
|
---|
635 | store_nfs_config(bkpinfo);
|
---|
636 | paranoid_free(hostname);
|
---|
637 | }
|
---|
638 |
|
---|
639 | log_it("Finished processing incoming params");
|
---|
640 | if (retval) {
|
---|
641 | fprintf(stderr, "Type 'man mondoarchive' for help.\n");
|
---|
642 | }
|
---|
643 | asprintf(&tmp, "%s", MONDO_TMPISOS);
|
---|
644 | if (does_file_exist(tmp)) {
|
---|
645 | unlink(tmp);
|
---|
646 | }
|
---|
647 | paranoid_free(tmp);
|
---|
648 |
|
---|
649 | if (strlen(bkpinfo->tmpdir) < 2 || strlen(bkpinfo->scratchdir) < 2) {
|
---|
650 | log_it("tmpdir or scratchdir are blank/missing");
|
---|
651 | retval++;
|
---|
652 | }
|
---|
653 | if (bkpinfo->include_paths[0] == '\0') {
|
---|
654 | // fatal_error ("Why no backup path?");
|
---|
655 | strcpy(bkpinfo->include_paths, "/");
|
---|
656 | }
|
---|
657 | chmod(bkpinfo->scratchdir, 0700);
|
---|
658 | chmod(bkpinfo->tmpdir, 0700);
|
---|
659 | g_backup_media_type = bkpinfo->backup_media_type;
|
---|
660 | return (retval);
|
---|
661 | }
|
---|
662 |
|
---|
663 |
|
---|
664 |
|
---|
665 | /**
|
---|
666 | * Do some miscellaneous setup tasks to be performed before filling @c bkpinfo.
|
---|
667 | * Seeds the random-number generator, loads important modules, checks the sanity
|
---|
668 | * of the user's Linux distribution, and deletes logfile.
|
---|
669 | * @param bkpinfo The backup information structure. Will be initialized.
|
---|
670 | * @return number of errors (0 for success)
|
---|
671 | */
|
---|
672 | int pre_param_configuration(struct s_bkpinfo *bkpinfo)
|
---|
673 | {
|
---|
674 | int res = 0;
|
---|
675 |
|
---|
676 | make_hole_for_dir(MNT_CDROM);
|
---|
677 | assert(bkpinfo != NULL);
|
---|
678 | srandom((unsigned long) (time(NULL)));
|
---|
679 | insmod_crucial_modules();
|
---|
680 | reset_bkpinfo(bkpinfo); // also sets defaults ('/'=backup path, 3=compression level)
|
---|
681 | if (bkpinfo->disaster_recovery) {
|
---|
682 | if (!does_nonMS_partition_exist()) {
|
---|
683 | fatal_error
|
---|
684 | ("I am in disaster recovery mode\nPlease don't run mondoarchive.");
|
---|
685 | }
|
---|
686 | }
|
---|
687 |
|
---|
688 | unlink(MONDO_TRACEFILE);
|
---|
689 | run_program_and_log_output("rm -Rf /tmp/changed.files*", FALSE);
|
---|
690 | if ((g_mondo_home = find_and_store_mondoarchives_home()) == NULL) {
|
---|
691 | fprintf(stderr,
|
---|
692 | "Cannot find Mondo's homedir. I think you have >1 'mondo' directory on your hard disk. Please delete the superfluous 'mondo' directories and try again\n");
|
---|
693 | res++;
|
---|
694 | return (res);
|
---|
695 | }
|
---|
696 | res += some_basic_system_sanity_checks();
|
---|
697 | if (res) {
|
---|
698 | log_it("Your distribution did not pass Mondo's sanity test.");
|
---|
699 | }
|
---|
700 | g_current_media_number = 1;
|
---|
701 | bkpinfo->postnuke_tarball[0] = bkpinfo->nfs_mount[0] = '\0';
|
---|
702 | return (res);
|
---|
703 | }
|
---|
704 |
|
---|
705 |
|
---|
706 |
|
---|
707 |
|
---|
708 | /**
|
---|
709 | * Reset all fields of the backup information structure to a sensible default.
|
---|
710 | * @param bkpinfo The @c bkpinfo to reset.
|
---|
711 | */
|
---|
712 | void reset_bkpinfo(struct s_bkpinfo *bkpinfo)
|
---|
713 | {
|
---|
714 | int i;
|
---|
715 |
|
---|
716 | log_msg(1, "Hi");
|
---|
717 | assert(bkpinfo != NULL);
|
---|
718 | memset((void *) bkpinfo, 0, sizeof(struct s_bkpinfo));
|
---|
719 | bkpinfo->manual_cd_tray = FALSE;
|
---|
720 | bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
|
---|
721 | bkpinfo->media_device[0] = '\0';
|
---|
722 | for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
|
---|
723 | bkpinfo->media_size[i] = -1;
|
---|
724 | }
|
---|
725 | bkpinfo->boot_loader = '\0';
|
---|
726 | bkpinfo->boot_device[0] = '\0';
|
---|
727 | bkpinfo->zip_exe[0] = '\0';
|
---|
728 | bkpinfo->zip_suffix[0] = '\0';
|
---|
729 | bkpinfo->restore_path[0] = '\0';
|
---|
730 | bkpinfo->use_lzo = FALSE;
|
---|
731 | bkpinfo->do_not_compress_these[0] = '\0';
|
---|
732 | bkpinfo->verify_data = FALSE;
|
---|
733 | bkpinfo->backup_data = FALSE;
|
---|
734 | bkpinfo->restore_data = FALSE;
|
---|
735 | bkpinfo->disaster_recovery =
|
---|
736 | (am_I_in_disaster_recovery_mode()? TRUE : FALSE);
|
---|
737 | if (bkpinfo->disaster_recovery) {
|
---|
738 | strcpy(bkpinfo->isodir, "/");
|
---|
739 | } else {
|
---|
740 | strcpy(bkpinfo->isodir, "/root/images/mondo");
|
---|
741 | }
|
---|
742 | strcpy(bkpinfo->prefix, "mondorescue");
|
---|
743 |
|
---|
744 | bkpinfo->scratchdir[0] = '\0';
|
---|
745 | bkpinfo->make_filelist = TRUE; // unless -J supplied to mondoarchive
|
---|
746 | sprintf(bkpinfo->tmpdir, "/tmp/tmpfs/mondo.tmp.%d", (int) (random() % 32768)); // for mondorestore
|
---|
747 | bkpinfo->optimal_set_size = 0;
|
---|
748 | bkpinfo->backup_media_type = none;
|
---|
749 | strcpy(bkpinfo->include_paths, "/");
|
---|
750 | bkpinfo->exclude_paths[0] = '\0';
|
---|
751 | bkpinfo->call_before_iso[0] = '\0';
|
---|
752 | bkpinfo->call_make_iso[0] = '\0';
|
---|
753 | bkpinfo->call_burn_iso[0] = '\0';
|
---|
754 | bkpinfo->call_after_iso[0] = '\0';
|
---|
755 | bkpinfo->image_devs[0] = '\0';
|
---|
756 | bkpinfo->postnuke_tarball[0] = '\0';
|
---|
757 | bkpinfo->kernel_path[0] = '\0';
|
---|
758 | bkpinfo->nfs_mount[0] = '\0';
|
---|
759 | bkpinfo->nfs_remote_dir[0] = '\0';
|
---|
760 | bkpinfo->wipe_media_first = FALSE;
|
---|
761 | bkpinfo->differential = FALSE;
|
---|
762 | bkpinfo->cdrw_speed = 0;
|
---|
763 | // patch by Herman Kuster
|
---|
764 | bkpinfo->differential = 0;
|
---|
765 | // patch end
|
---|
766 | bkpinfo->compression_level = 3;
|
---|
767 | }
|
---|
768 |
|
---|
769 |
|
---|
770 |
|
---|
771 |
|
---|
772 | /**
|
---|
773 | * Get the remaining free space (in MB) on @p partition.
|
---|
774 | * @param partition The partition to check free space on (either a device or a mountpoint).
|
---|
775 | * @return The free space on @p partition, in MB.
|
---|
776 | */
|
---|
777 | long free_space_on_given_partition(char *partition)
|
---|
778 | {
|
---|
779 | char *command, *out_sz;
|
---|
780 | long res;
|
---|
781 |
|
---|
782 | assert_string_is_neither_NULL_nor_zerolength(partition);
|
---|
783 |
|
---|
784 | asprintf(&command, "df -m %s &> /dev/null", partition);
|
---|
785 | if (system(command)) {
|
---|
786 | return (-1);
|
---|
787 | } // partition does not exist
|
---|
788 | paranoid_free(command);
|
---|
789 |
|
---|
790 | asprintf(&command, "df -m %s | tail -n1 | tr -s ' ' '\t' | cut -f4",
|
---|
791 | partition);
|
---|
792 | asprintf(&out_sz, call_program_and_get_last_line_of_output(command));
|
---|
793 | paranoid_free(command);
|
---|
794 | if (strlen(out_sz) == 0) {
|
---|
795 | return (-1);
|
---|
796 | } // error within df, probably
|
---|
797 | res = atol(out_sz);
|
---|
798 | paranoid_free(out_sz);
|
---|
799 | return (res);
|
---|
800 | }
|
---|
801 |
|
---|
802 |
|
---|
803 |
|
---|
804 | /**
|
---|
805 | * Check the user's system for sanity. Checks performed:
|
---|
806 | * - make sure user has enough RAM (32mb required, 64mb recommended)
|
---|
807 | * - make sure user has enough free space in @c /
|
---|
808 | * - check kernel for ramdisk support
|
---|
809 | * - make sure afio, cdrecord, mkisofs, bzip2, awk, md5sum, strings, mindi, and buffer exist
|
---|
810 | * - make sure CD-ROM is unmounted
|
---|
811 | * - make sure /etc/modules.conf exists
|
---|
812 | * - make sure user's mountlist is OK by running <tt>mindi --makemountlist</tt>
|
---|
813 | *
|
---|
814 | * @return number of problems with the user's setup (0 for success)
|
---|
815 | */
|
---|
816 | int some_basic_system_sanity_checks()
|
---|
817 | {
|
---|
818 |
|
---|
819 | /*@ buffers ************ */
|
---|
820 | char *tmp;
|
---|
821 |
|
---|
822 | /*@ int's *************** */
|
---|
823 | int retval = 0;
|
---|
824 | long Lres;
|
---|
825 |
|
---|
826 |
|
---|
827 | mvaddstr_and_log_it(g_currentY, 0,
|
---|
828 | "Checking sanity of your Linux distribution");
|
---|
829 | #ifndef __FreeBSD__
|
---|
830 | if (system("which mkfs.vfat &> /dev/null")
|
---|
831 | && !system("which mkfs.msdos &> /dev/null")) {
|
---|
832 | log_it
|
---|
833 | ("OK, you've got mkfs.msdos but not mkfs.vfat; time for the fairy to wave her magic wand...");
|
---|
834 | run_program_and_log_output
|
---|
835 | ("ln -sf `which mkfs.msdos` /sbin/mkfs.vfat", FALSE);
|
---|
836 | }
|
---|
837 | asprintf(&tmp,
|
---|
838 | call_program_and_get_last_line_of_output
|
---|
839 | ("free | grep Mem | head -n1 | tr -s ' ' '\t' | cut -f2"));
|
---|
840 | if (atol(tmp) < 35000) {
|
---|
841 | retval++;
|
---|
842 | log_to_screen("You must have at least 32MB of RAM to use Mondo.");
|
---|
843 | }
|
---|
844 | if (atol(tmp) < 66000) {
|
---|
845 | log_to_screen
|
---|
846 | ("WARNING! You have very little RAM. Please upgrade to 64MB or more.");
|
---|
847 | }
|
---|
848 | paranoid_free(tmp);
|
---|
849 | #endif
|
---|
850 |
|
---|
851 | if ((Lres = free_space_on_given_partition("/root")) == -1) {
|
---|
852 | Lres = free_space_on_given_partition("/");
|
---|
853 | }
|
---|
854 | log_it("Free space on given partition = %ld MB", Lres);
|
---|
855 |
|
---|
856 | if (Lres < 50) {
|
---|
857 | run_program_and_log_output
|
---|
858 | ("rm -Rf /root/images/mindi; mkdir -p /home/root/images/mindi; mkdir -p /root/images; ln -sf /home/root/images/mindi /root/images/mindi",
|
---|
859 | 3);
|
---|
860 | // fatal_error("Your / (or /root) partition has <50MB free. Please adjust your partition table to something saner.");
|
---|
861 | }
|
---|
862 |
|
---|
863 | if (system("which " MKE2FS_OR_NEWFS " > /dev/null 2> /dev/null")) {
|
---|
864 | retval++;
|
---|
865 | log_to_screen
|
---|
866 | ("Unable to find " MKE2FS_OR_NEWFS " in system path.");
|
---|
867 | fatal_error
|
---|
868 | ("Please use \"su -\", not \"su\" to become root. OK? ...and please don't e-mail the mailing list or me about this. Just read the message. :)");
|
---|
869 | }
|
---|
870 | #ifndef __FreeBSD__
|
---|
871 | if (run_program_and_log_output
|
---|
872 | ("cat /proc/devices | grep ramdisk", FALSE)) {
|
---|
873 | if (!ask_me_yes_or_no
|
---|
874 | ("Your kernel has no ramdisk support. That's mind-numbingly stupid but I'll allow it if you're planning to use a failsafe kernel. Are you?"))
|
---|
875 | {
|
---|
876 | // retval++;
|
---|
877 | log_to_screen
|
---|
878 | ("It looks as if your kernel lacks ramdisk and initrd support.");
|
---|
879 | log_to_screen
|
---|
880 | ("I'll allow you to proceed but FYI, if I'm right, your kernel is broken.");
|
---|
881 | }
|
---|
882 | }
|
---|
883 | #endif
|
---|
884 | retval += whine_if_not_found(MKE2FS_OR_NEWFS);
|
---|
885 | retval += whine_if_not_found("mkisofs");
|
---|
886 | if (system("which dvdrecord > /dev/null 2> /dev/null")) {
|
---|
887 | retval += whine_if_not_found("cdrecord");
|
---|
888 | }
|
---|
889 | retval += whine_if_not_found("bzip2");
|
---|
890 | retval += whine_if_not_found("awk");
|
---|
891 | retval += whine_if_not_found("md5sum");
|
---|
892 | retval += whine_if_not_found("strings");
|
---|
893 | retval += whine_if_not_found("mindi");
|
---|
894 | retval += whine_if_not_found("buffer");
|
---|
895 |
|
---|
896 | // abort if Windows partition but no ms-sys and parted
|
---|
897 | if (!run_program_and_log_output
|
---|
898 | ("mount | grep -w vfat | grep -v /dev/fd | grep -v nexdisk", 0)
|
---|
899 | ||
|
---|
900 | !run_program_and_log_output
|
---|
901 | ("mount | grep -w dos | grep -v /dev/fd | grep -v nexdisk", 0)) {
|
---|
902 | log_to_screen("I think you have a Windows 9x partition.");
|
---|
903 | retval += whine_if_not_found("parted");
|
---|
904 | #ifndef __IA64__
|
---|
905 | /* IA64 always has one vfat partition for EFI even without Windows */
|
---|
906 | // retval +=
|
---|
907 | if (!find_home_of_exe("ms-sys")) {
|
---|
908 | log_to_screen("Please install ms-sys just in case.");
|
---|
909 | }
|
---|
910 | #endif
|
---|
911 | }
|
---|
912 |
|
---|
913 | if (!find_home_of_exe("cmp")) {
|
---|
914 | if (!find_home_of_exe("true")) {
|
---|
915 | whine_if_not_found("cmp");
|
---|
916 | } else {
|
---|
917 | log_to_screen
|
---|
918 | ("Your system lacks the 'cmp' binary. I'll create a dummy cmp for you.");
|
---|
919 | if (run_program_and_log_output
|
---|
920 | ("cp -f `which true` /usr/bin/cmp", 0)) {
|
---|
921 | fatal_error("Failed to create dummy 'cmp' file.");
|
---|
922 | }
|
---|
923 | }
|
---|
924 | }
|
---|
925 | run_program_and_log_output
|
---|
926 | ("umount `mount | grep cdr | cut -d' ' -f3 | tr '\n' ' '`", 5);
|
---|
927 | asprintf(&tmp,
|
---|
928 | call_program_and_get_last_line_of_output
|
---|
929 | ("mount | grep -E \"cdr(om|w)\""));
|
---|
930 | if (strcmp("", tmp)) {
|
---|
931 | if (strstr(tmp, "autofs")) {
|
---|
932 | log_to_screen
|
---|
933 | ("Your CD-ROM is mounted via autofs. I therefore cannot tell");
|
---|
934 | log_to_screen
|
---|
935 | ("if a CD actually is inserted. If a CD is inserted, please");
|
---|
936 | log_to_screen("eject it. Thank you.");
|
---|
937 | log_it
|
---|
938 | ("Ignoring autofs CD-ROM 'mount' since we hope nothing's in it.");
|
---|
939 | } else
|
---|
940 | if (run_program_and_log_output("uname -a | grep Knoppix", 5)) {
|
---|
941 | retval++;
|
---|
942 | fatal_error
|
---|
943 | ("Your CD-ROM drive is mounted. Please unmount it.");
|
---|
944 | }
|
---|
945 | }
|
---|
946 | paranoid_free(tmp);
|
---|
947 | #ifndef __FreeBSD__
|
---|
948 | if (!does_file_exist("/etc/modules.conf")) {
|
---|
949 | if (does_file_exist("/etc/conf.modules")) {
|
---|
950 | log_it("Linking /etc/modules.conf to /etc/conf.modules");
|
---|
951 | run_program_and_log_output
|
---|
952 | ("ln -sf /etc/conf.modules /etc/modules.conf", 5);
|
---|
953 | } else if (does_file_exist("/etc/modprobe.d")) {
|
---|
954 | log_it
|
---|
955 | ("Directory /etc/modprobe.d found. mindi will use its contents.");
|
---|
956 | } else if (does_file_exist("/etc/modprobe.conf")) {
|
---|
957 | log_it("Linking /etc/modules.conf to /etc/modprobe.conf");
|
---|
958 | run_program_and_log_output
|
---|
959 | ("ln -sf /etc/modprobe.conf /etc/modules.conf", 5);
|
---|
960 | } else {
|
---|
961 | retval++;
|
---|
962 | log_to_screen
|
---|
963 | ("Please find out what happened to /etc/modules.conf");
|
---|
964 | }
|
---|
965 | }
|
---|
966 | #endif
|
---|
967 |
|
---|
968 | run_program_and_log_output("cat /etc/fstab", 5);
|
---|
969 | #ifdef __FreeBSD__
|
---|
970 | run_program_and_log_output("vinum printconfig", 5);
|
---|
971 | #else
|
---|
972 | run_program_and_log_output("cat /etc/raidtab", 5);
|
---|
973 | #endif
|
---|
974 |
|
---|
975 | if (run_program_and_log_output("mindi -V", 1)) {
|
---|
976 | log_to_screen("Could not ascertain mindi's version number.");
|
---|
977 | log_to_screen
|
---|
978 | ("You have not installed Mondo and/or Mindi properly.");
|
---|
979 | log_to_screen("Please uninstall and reinstall them both.");
|
---|
980 | fatal_error("Please reinstall Mondo and Mindi.");
|
---|
981 | }
|
---|
982 | if (run_program_and_log_output
|
---|
983 | ("mindi --makemountlist /tmp/mountlist.txt.test", 5)) {
|
---|
984 | log_to_screen
|
---|
985 | ("Mindi --makemountlist /tmp/mountlist.txt.test failed for some reason.");
|
---|
986 | log_to_screen
|
---|
987 | ("Please run that command by hand and examine /var/log/mindi.log");
|
---|
988 | log_to_screen
|
---|
989 | ("for more information. Perhaps your /etc/fstab file is insane.");
|
---|
990 | log_to_screen
|
---|
991 | ("Perhaps Mindi's MakeMountlist() subroutine has a bug. We'll see.");
|
---|
992 | retval++;
|
---|
993 | }
|
---|
994 |
|
---|
995 | if (!run_program_and_log_output("fdisk -l | grep -i raid", 1)
|
---|
996 | && !does_file_exist("/etc/raidtab")) {
|
---|
997 | log_to_screen
|
---|
998 | ("You have RAID partitions but no /etc/raidtab - creating one from /proc/mdstat");
|
---|
999 | create_raidtab_from_mdstat("/etc/raidtab", "/proc/mdstat");
|
---|
1000 | }
|
---|
1001 |
|
---|
1002 | if (retval) {
|
---|
1003 | mvaddstr_and_log_it(g_currentY++, 74, "Failed.");
|
---|
1004 | } else {
|
---|
1005 | mvaddstr_and_log_it(g_currentY++, 74, "Done.");
|
---|
1006 | }
|
---|
1007 | return (retval);
|
---|
1008 | }
|
---|
1009 |
|
---|
1010 | /**
|
---|
1011 | * Retrieve the line containing @p label from the config file.
|
---|
1012 | * @param config_file The file to read from, usually @c /tmp/mondo-restore.cfg.
|
---|
1013 | * @param label What to read from the file.
|
---|
1014 | * @param value Where to put it.
|
---|
1015 | * @return 0 for success, 1 for failure.
|
---|
1016 | */
|
---|
1017 | int read_cfg_var(char *config_file, char *label, char *value)
|
---|
1018 | {
|
---|
1019 | /*@ buffer ****************************************************** */
|
---|
1020 | char *command;
|
---|
1021 | char *tmp;
|
---|
1022 |
|
---|
1023 | /*@ end vars *************************************************** */
|
---|
1024 |
|
---|
1025 | assert_string_is_neither_NULL_nor_zerolength(config_file);
|
---|
1026 | assert_string_is_neither_NULL_nor_zerolength(label);
|
---|
1027 | if (!does_file_exist(config_file)) {
|
---|
1028 | asprintf(&tmp, "(read_cfg_var) Cannot find %s config file",
|
---|
1029 | config_file);
|
---|
1030 | log_to_screen(tmp);
|
---|
1031 | paranoid_free(tmp);
|
---|
1032 | value[0] = '\0';
|
---|
1033 | return (1);
|
---|
1034 | } else if (strstr(value, "/dev/") && strstr(value, "t0")
|
---|
1035 | && !strcmp(label, "media-dev")) {
|
---|
1036 | log_msg(2, "FYI, I shan't read new value for %s - already got %s",
|
---|
1037 | label, value);
|
---|
1038 | return (0);
|
---|
1039 | } else {
|
---|
1040 | asprintf(&command, "cat %s | grep \"%s .*\" | cut -d' ' -f2,3,4,5",
|
---|
1041 | config_file, label);
|
---|
1042 | strcpy(value, call_program_and_get_last_line_of_output(command));
|
---|
1043 | paranoid_free(command);
|
---|
1044 | if (strlen(value) == 0) {
|
---|
1045 | return (1);
|
---|
1046 | } else {
|
---|
1047 | return (0);
|
---|
1048 | }
|
---|
1049 | }
|
---|
1050 | }
|
---|
1051 |
|
---|
1052 |
|
---|
1053 |
|
---|
1054 | /**
|
---|
1055 | * Remount @c supermount if it was unmounted earlier.
|
---|
1056 | */
|
---|
1057 | void remount_supermounts_if_necessary()
|
---|
1058 | {
|
---|
1059 | if (g_remount_cdrom_at_end) {
|
---|
1060 | run_program_and_log_output("mount " MNT_CDROM, FALSE);
|
---|
1061 | }
|
---|
1062 | if (g_remount_floppy_at_end) {
|
---|
1063 | run_program_and_log_output("mount " MNT_FLOPPY, FALSE);
|
---|
1064 | }
|
---|
1065 | }
|
---|
1066 |
|
---|
1067 | /**
|
---|
1068 | * Unmount @c supermount if it's mounted.
|
---|
1069 | */
|
---|
1070 | void unmount_supermounts_if_necessary()
|
---|
1071 | {
|
---|
1072 | if (run_program_and_log_output
|
---|
1073 | ("mount | grep cdrom | grep super", FALSE) == 0) {
|
---|
1074 | g_remount_cdrom_at_end = TRUE;
|
---|
1075 | run_program_and_log_output("umount " MNT_CDROM, FALSE);
|
---|
1076 | }
|
---|
1077 | if (run_program_and_log_output
|
---|
1078 | ("mount | grep floppy | grep super", FALSE) == 0) {
|
---|
1079 | g_remount_floppy_at_end = TRUE;
|
---|
1080 | run_program_and_log_output("umount " MNT_FLOPPY, FALSE);
|
---|
1081 | }
|
---|
1082 | }
|
---|
1083 |
|
---|
1084 | /**
|
---|
1085 | * Whether we had to stop autofs (if so, restart it at end).
|
---|
1086 | */
|
---|
1087 | bool g_autofs_stopped = FALSE;
|
---|
1088 |
|
---|
1089 | /**
|
---|
1090 | * Path to the autofs initscript ("" if none exists).
|
---|
1091 | */
|
---|
1092 | char g_autofs_exe[MAX_STR_LEN];
|
---|
1093 |
|
---|
1094 | /**
|
---|
1095 | * Autofs initscript in Xandros Linux distribution.
|
---|
1096 | */
|
---|
1097 | #define XANDROS_AUTOFS_FNAME "/etc/init.d/xandros-autofs"
|
---|
1098 |
|
---|
1099 | /**
|
---|
1100 | * Autofs initscript in most Linux distributions.
|
---|
1101 | */
|
---|
1102 | #define STOCK_AUTOFS_FNAME "/etc/rc.d/init.d/autofs"
|
---|
1103 |
|
---|
1104 | /**
|
---|
1105 | * If autofs is mounted, stop it (restart at end).
|
---|
1106 | */
|
---|
1107 | void stop_autofs_if_necessary()
|
---|
1108 | {
|
---|
1109 | char *tmp;
|
---|
1110 |
|
---|
1111 | g_autofs_exe[0] = '\0';
|
---|
1112 | if (does_file_exist(XANDROS_AUTOFS_FNAME)) {
|
---|
1113 | strcpy(g_autofs_exe, XANDROS_AUTOFS_FNAME);
|
---|
1114 | } else if (does_file_exist(STOCK_AUTOFS_FNAME)) {
|
---|
1115 | strcpy(g_autofs_exe, STOCK_AUTOFS_FNAME);
|
---|
1116 | }
|
---|
1117 |
|
---|
1118 | if (!g_autofs_exe[0]) {
|
---|
1119 | log_msg(3, "No autofs detected.");
|
---|
1120 | } else {
|
---|
1121 | log_msg(3, "%s --- autofs detected", g_autofs_exe);
|
---|
1122 | // FIXME -- only disable it if it's running --- sprintf(tmp, "%s status", autofs_exe);
|
---|
1123 | asprintf(&tmp, "%s stop", g_autofs_exe);
|
---|
1124 | if (run_program_and_log_output(tmp, 2)) {
|
---|
1125 | log_it("Failed to stop autofs - I assume it wasn't running");
|
---|
1126 | } else {
|
---|
1127 | g_autofs_stopped = TRUE;
|
---|
1128 | log_it("Stopped autofs OK");
|
---|
1129 | }
|
---|
1130 | paranoid_free(tmp);
|
---|
1131 | }
|
---|
1132 | }
|
---|
1133 |
|
---|
1134 | /**
|
---|
1135 | * If autofs was stopped earlier, restart it.
|
---|
1136 | */
|
---|
1137 | void restart_autofs_if_necessary()
|
---|
1138 | {
|
---|
1139 | char *tmp;
|
---|
1140 |
|
---|
1141 | if (!g_autofs_stopped || !g_autofs_exe[0]) {
|
---|
1142 | log_msg(3, "No autofs detected.");
|
---|
1143 | return;
|
---|
1144 | }
|
---|
1145 | asprintf(&tmp, "%s start", g_autofs_exe);
|
---|
1146 | if (run_program_and_log_output(tmp, 2)) {
|
---|
1147 | log_it("Failed to start autofs");
|
---|
1148 | } else {
|
---|
1149 | g_autofs_stopped = FALSE;
|
---|
1150 | log_it("Started autofs OK");
|
---|
1151 | }
|
---|
1152 | paranoid_free(tmp);
|
---|
1153 | }
|
---|
1154 |
|
---|
1155 |
|
---|
1156 | /**
|
---|
1157 | * If this is a distribution like Gentoo that doesn't keep /boot mounted, mount it.
|
---|
1158 | */
|
---|
1159 | void mount_boot_if_necessary()
|
---|
1160 | {
|
---|
1161 | char *tmp;
|
---|
1162 | char *tmp1;
|
---|
1163 | char *command;
|
---|
1164 |
|
---|
1165 | log_msg(1, "Started sub");
|
---|
1166 | log_msg(4, "About to set g_boot_mountpt to \"\"");
|
---|
1167 | asprintf(&g_boot_mountpt, "");
|
---|
1168 | log_msg(4, "Done. Great. Seeting command to something");
|
---|
1169 | asprintf(&command,
|
---|
1170 | "cat /etc/fstab | grep -v \":\" | grep -vx \"#.*\" | grep -w \"/boot\" | tr -s ' ' '\t' | cut -f1 | head -n1");
|
---|
1171 | log_msg(4, "Cool. Command = '%s'", command);
|
---|
1172 | asprintf(&tmp, call_program_and_get_last_line_of_output(command));
|
---|
1173 | paranoid_free(command);
|
---|
1174 |
|
---|
1175 | log_msg(4, "tmp = '%s'", tmp);
|
---|
1176 | if (tmp[0]) {
|
---|
1177 | log_it("/boot is at %s according to /etc/fstab", tmp);
|
---|
1178 | if (strstr(tmp, "LABEL=")) {
|
---|
1179 | if (!run_program_and_log_output("mount /boot", 5)) {
|
---|
1180 | paranoid_free(g_boot_mountpt);
|
---|
1181 | asprintf(&g_boot_mountpt, "/boot");
|
---|
1182 | log_msg(1, "Mounted /boot");
|
---|
1183 | } else {
|
---|
1184 | log_it("...ignored cos it's a label :-)");
|
---|
1185 | }
|
---|
1186 | } else {
|
---|
1187 | asprintf(&command, "mount | grep -w \"%s\"", tmp);
|
---|
1188 | log_msg(3, "command = %s", command);
|
---|
1189 | if (run_program_and_log_output(command, 5)) {
|
---|
1190 | paranoid_free(g_boot_mountpt);
|
---|
1191 | asprintf(&g_boot_mountpt, tmp);
|
---|
1192 | asprintf(&tmp1,
|
---|
1193 | "%s (your /boot partition) is not mounted. I'll mount it before backing up",
|
---|
1194 | g_boot_mountpt);
|
---|
1195 | log_it(tmp1);
|
---|
1196 | paranoid_free(tmp1);
|
---|
1197 |
|
---|
1198 | asprintf(&tmp1, "mount %s", g_boot_mountpt);
|
---|
1199 | if (run_program_and_log_output(tmp1, 5)) {
|
---|
1200 | paranoid_free(g_boot_mountpt);
|
---|
1201 | asprintf(&g_boot_mountpt, "");
|
---|
1202 | log_msg(1, "Plan B");
|
---|
1203 | if (!run_program_and_log_output("mount /boot", 5)) {
|
---|
1204 | paranoid_free(g_boot_mountpt);
|
---|
1205 | asprintf(&g_boot_mountpt, "/boot");
|
---|
1206 | log_msg(1, "Plan B worked");
|
---|
1207 | } else {
|
---|
1208 | log_msg(1,
|
---|
1209 | "Plan B failed. Unable to mount /boot for backup purposes. This probably means /boot is mounted already, or doesn't have its own partition.");
|
---|
1210 | }
|
---|
1211 | }
|
---|
1212 | paranoid_free(tmp1);
|
---|
1213 | }
|
---|
1214 | paranoid_free(command);
|
---|
1215 | }
|
---|
1216 | }
|
---|
1217 | paranoid_free(tmp);
|
---|
1218 | log_msg(1, "Ended sub");
|
---|
1219 | }
|
---|
1220 |
|
---|
1221 |
|
---|
1222 | /**
|
---|
1223 | * If we mounted /boot earlier, unmount it.
|
---|
1224 | */
|
---|
1225 | void unmount_boot_if_necessary()
|
---|
1226 | {
|
---|
1227 | char *tmp;
|
---|
1228 |
|
---|
1229 | log_msg(3, "starting");
|
---|
1230 | if (g_boot_mountpt[0]) {
|
---|
1231 | asprintf(&tmp, "umount %s", g_boot_mountpt);
|
---|
1232 | if (run_program_and_log_output(tmp, 5)) {
|
---|
1233 | log_it("WARNING - unable to unmount /boot");
|
---|
1234 | }
|
---|
1235 | paranoid_free(tmp);
|
---|
1236 | }
|
---|
1237 | log_msg(3, "leaving");
|
---|
1238 | }
|
---|
1239 |
|
---|
1240 |
|
---|
1241 |
|
---|
1242 | /**
|
---|
1243 | * Write a line to a configuration file. Writes a line of the form,
|
---|
1244 | * @c label @c value.
|
---|
1245 | * @param config_file The file to write to. Usually @c mondo-restore.cfg.
|
---|
1246 | * @param label What to call this bit of data you're writing.
|
---|
1247 | * @param value The bit of data you're writing.
|
---|
1248 | * @return 0 for success, 1 for failure.
|
---|
1249 | */
|
---|
1250 | int write_cfg_var(char *config_file, char *label, char *value)
|
---|
1251 | {
|
---|
1252 | /*@ buffers ***************************************************** */
|
---|
1253 | char *command;
|
---|
1254 | char *tempfile;
|
---|
1255 | char *tmp;
|
---|
1256 |
|
---|
1257 |
|
---|
1258 | /*@ end vars *************************************************** */
|
---|
1259 | assert_string_is_neither_NULL_nor_zerolength(config_file);
|
---|
1260 | assert_string_is_neither_NULL_nor_zerolength(label);
|
---|
1261 | assert(value != NULL);
|
---|
1262 |
|
---|
1263 | if (!does_file_exist(config_file)) {
|
---|
1264 | asprintf(&tmp, "(write_cfg_file) Cannot find %s config file",
|
---|
1265 | config_file);
|
---|
1266 | log_to_screen(tmp);
|
---|
1267 | paranoid_free(tmp);
|
---|
1268 | return (1);
|
---|
1269 | }
|
---|
1270 | asprintf(&tempfile,
|
---|
1271 | call_program_and_get_last_line_of_output
|
---|
1272 | ("mktemp -q /tmp/mojo-jojo.blah.XXXXXX"));
|
---|
1273 | if (does_file_exist(config_file)) {
|
---|
1274 | asprintf(&command, "cat %s | grep -vx \"%s .*\" > %s", config_file,
|
---|
1275 | label, tempfile);
|
---|
1276 | paranoid_system(command);
|
---|
1277 | paranoid_free(command);
|
---|
1278 | }
|
---|
1279 | asprintf(&command, "echo \"%s %s\" >> %s", label, value, tempfile);
|
---|
1280 | paranoid_system(command);
|
---|
1281 | paranoid_free(command);
|
---|
1282 |
|
---|
1283 | asprintf(&command, "mv -f %s %s", tempfile, config_file);
|
---|
1284 | paranoid_system(command);
|
---|
1285 | paranoid_free(command);
|
---|
1286 | unlink(tempfile);
|
---|
1287 | paranoid_free(tempfile);
|
---|
1288 | return (0);
|
---|
1289 | }
|
---|
1290 |
|
---|
1291 |
|
---|
1292 | /**
|
---|
1293 | * The standard log_debug_msg() (log_msg() also due to a macro). Writes some describing
|
---|
1294 | * information to the logfile.
|
---|
1295 | */
|
---|
1296 | void standard_log_debug_msg(int debug_level, const char *szFile,
|
---|
1297 | const char *szFunction, int nLine,
|
---|
1298 | const char *fmt, ...)
|
---|
1299 | {
|
---|
1300 | va_list args;
|
---|
1301 | int i;
|
---|
1302 | static int depth = 0;
|
---|
1303 | FILE *fout;
|
---|
1304 |
|
---|
1305 | if (depth > 5) {
|
---|
1306 | depth--;
|
---|
1307 | return;
|
---|
1308 | }
|
---|
1309 | depth++;
|
---|
1310 |
|
---|
1311 | if (debug_level <= g_loglevel) {
|
---|
1312 | va_start(args, fmt);
|
---|
1313 | if (!(fout = fopen(MONDO_LOGFILE, "a"))) {
|
---|
1314 | return;
|
---|
1315 | } // fatal_error("Failed to openout to logfile - sheesh..."); }
|
---|
1316 |
|
---|
1317 | // add tabs to distinguish log levels
|
---|
1318 | if (debug_level > 0) {
|
---|
1319 | for (i = 1; i < debug_level; i++)
|
---|
1320 | fprintf(fout, "\t");
|
---|
1321 | if (getpid() == g_main_pid)
|
---|
1322 | fprintf(fout, "[Main] %s->%s#%d: ", szFile, szFunction,
|
---|
1323 | nLine);
|
---|
1324 | else if (getpid() == g_buffer_pid && g_buffer_pid > 0)
|
---|
1325 | fprintf(fout, "[Buff] %s->%s#%d: ", szFile, szFunction,
|
---|
1326 | nLine);
|
---|
1327 | else
|
---|
1328 | fprintf(fout, "[TH=%d] %s->%s#%d: ", getpid(), szFile,
|
---|
1329 | szFunction, nLine);
|
---|
1330 | }
|
---|
1331 | vfprintf(fout, fmt, args);
|
---|
1332 |
|
---|
1333 | // do not slow down the progran if standard debug level
|
---|
1334 | // must be enabled: if no flush, the log won't be up-to-date if there
|
---|
1335 | // is a segfault
|
---|
1336 | //if (g_dwDebugLevel != 1)
|
---|
1337 |
|
---|
1338 | va_end(args);
|
---|
1339 | fprintf(fout, "\n");
|
---|
1340 | paranoid_fclose(fout);
|
---|
1341 | }
|
---|
1342 | depth--;
|
---|
1343 | }
|
---|
1344 |
|
---|
1345 | /**
|
---|
1346 | * Function pointer to the @c log_debug_msg function to use. Points to standard_log_debug_msg() by default.
|
---|
1347 | */
|
---|
1348 | void (*log_debug_msg) (int, const char *, const char *, int, const char *,
|
---|
1349 | ...) = standard_log_debug_msg;
|
---|
1350 |
|
---|
1351 |
|
---|
1352 | /**
|
---|
1353 | * Allocate or free important globals, depending on @p mal.
|
---|
1354 | * @param mal If TRUE, malloc; if FALSE, free.
|
---|
1355 | */
|
---|
1356 | void do_libmondo_global_strings_thing(int mal)
|
---|
1357 | {
|
---|
1358 | if (mal) {
|
---|
1359 | iamhere("Malloc'ing globals");
|
---|
1360 | malloc_string(g_erase_tmpdir_and_scratchdir);
|
---|
1361 | malloc_string(g_serial_string);
|
---|
1362 | malloc_string(g_magicdev_command);
|
---|
1363 | } else {
|
---|
1364 | iamhere("Freeing globals");
|
---|
1365 | paranoid_free(g_boot_mountpt);
|
---|
1366 | paranoid_free(g_mondo_home);
|
---|
1367 | paranoid_free(g_tmpfs_mountpt);
|
---|
1368 | paranoid_free(g_erase_tmpdir_and_scratchdir);
|
---|
1369 | paranoid_free(g_serial_string);
|
---|
1370 | paranoid_free(g_magicdev_command);
|
---|
1371 | }
|
---|
1372 | }
|
---|
1373 |
|
---|
1374 | /**
|
---|
1375 | * Allocate important globals.
|
---|
1376 | * @see do_libmondo_global_strings_thing
|
---|
1377 | */
|
---|
1378 | void malloc_libmondo_global_strings(void)
|
---|
1379 | {
|
---|
1380 | do_libmondo_global_strings_thing(1);
|
---|
1381 | }
|
---|
1382 |
|
---|
1383 | /**
|
---|
1384 | * Free important globals.
|
---|
1385 | * @see do_libmondo_global_strings_thing
|
---|
1386 | */
|
---|
1387 | void free_libmondo_global_strings(void)
|
---|
1388 | {
|
---|
1389 | do_libmondo_global_strings_thing(0);
|
---|
1390 | }
|
---|
1391 |
|
---|
1392 |
|
---|
1393 |
|
---|
1394 | /**
|
---|
1395 | * Stop @c magicdev if it's running.
|
---|
1396 | * The command used to start it is saved in @p g_magicdev_command.
|
---|
1397 | */
|
---|
1398 | void stop_magicdev_if_necessary()
|
---|
1399 | {
|
---|
1400 | strcpy(g_magicdev_command,
|
---|
1401 | call_program_and_get_last_line_of_output
|
---|
1402 | ("ps ax | grep -w magicdev | grep -v grep | tr -s '\t' ' '| cut -d' ' -f6-99"));
|
---|
1403 | if (g_magicdev_command[0]) {
|
---|
1404 | log_msg(1, "g_magicdev_command = '%s'", g_magicdev_command);
|
---|
1405 | paranoid_system("killall magicdev");
|
---|
1406 | }
|
---|
1407 | }
|
---|
1408 |
|
---|
1409 |
|
---|
1410 | /**
|
---|
1411 | * Restart magicdev if it was stopped.
|
---|
1412 | */
|
---|
1413 | void restart_magicdev_if_necessary()
|
---|
1414 | {
|
---|
1415 | char *tmp;
|
---|
1416 |
|
---|
1417 | if (g_magicdev_command && g_magicdev_command[0]) {
|
---|
1418 | asprintf(&tmp, "%s &", g_magicdev_command);
|
---|
1419 | paranoid_system(tmp);
|
---|
1420 | paranoid_free(tmp);
|
---|
1421 | }
|
---|
1422 | }
|
---|
1423 |
|
---|
1424 | /* @} - end of utilityGroup */
|
---|