1 | /* $Id: libmondo-tools.c 1217 2007-02-27 13:08:10Z bruno $ |
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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 "mr_mem.h" |
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12 | #include "mr_msg.h" |
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13 | #include "mr_file.h" |
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14 | |
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15 | #include "mondostructures.h" |
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16 | #include "libmondo-tools.h" |
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17 | #include "newt-specific-EXT.h" |
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18 | #include "libmondo-files-EXT.h" |
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19 | #include "libmondo-fork-EXT.h" |
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20 | #include "libmondo-raid-EXT.h" |
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21 | #include <sys/socket.h> |
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22 | #include <netdb.h> |
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23 | #include <netinet/in.h> |
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24 | #include <arpa/inet.h> |
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25 | |
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26 | /*@unused@*/ |
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27 | //static char cvsid[] = "$Id: libmondo-tools.c 1217 2007-02-27 13:08:10Z bruno $"; |
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28 | |
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29 | extern int g_tape_buffer_size_MB; |
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30 | extern char *g_erase_tmpdir_and_scratchdir; |
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31 | extern char *g_serial_string; |
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32 | extern bool g_text_mode; |
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33 | extern int g_currentY; |
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34 | extern int g_current_media_number; |
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35 | |
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36 | /** |
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37 | * @addtogroup globalGroup |
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38 | * @{ |
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39 | */ |
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40 | 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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41 | g_remount_floppy_at_end; ///< TRUE if we unmounted the floppy and should remount it when done with the backup. |
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42 | bool g_cd_recovery; ///< TRUE if we're making an "autonuke" backup. |
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43 | double g_kernel_version; |
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44 | |
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45 | /** |
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46 | * The place where /boot is mounted. - Used locally only |
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47 | */ |
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48 | static char *g_boot_mountpt = NULL; |
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49 | |
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50 | /** |
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51 | * The serial string (used to differentiate between backups) of the current backup. |
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52 | */ |
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53 | char *g_serial_string = NULL; |
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54 | |
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55 | /** |
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56 | * The location where tmpfs is mounted, or "" if it's not mounted. |
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57 | */ |
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58 | char *g_tmpfs_mountpt = NULL; |
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59 | char *g_magicdev_command = NULL; |
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60 | |
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61 | /** |
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62 | * The default maximum level to log messages at or below. |
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63 | */ |
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64 | int g_loglevel = DEFAULT_DEBUG_LEVEL; |
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65 | |
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66 | /* @} - end of globalGroup */ |
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67 | |
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68 | |
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69 | extern pid_t g_buffer_pid; |
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70 | extern pid_t g_main_pid; |
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71 | |
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72 | extern t_bkptype g_backup_media_type; |
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73 | extern char *g_backup_media_string; |
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74 | |
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75 | extern bool am_I_in_disaster_recovery_mode(void); |
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76 | |
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77 | |
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78 | /** |
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79 | * @addtogroup utilityGroup |
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80 | * @{ |
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81 | */ |
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82 | /** |
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83 | * Assertion handler. Prints a friendly message to the user, |
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84 | * offering to ignore all, dump core, break to debugger, |
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85 | * exit, or ignore. Intended to be used with an assert() macro. |
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86 | * |
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87 | * @param file The file in which the assertion triggered. |
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88 | * @param function The function (@c __FUNCTION__) in which the assertion triggered. |
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89 | * @param line The line number of the assert() statement. |
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90 | * @param exp The expression that failed (as a string). |
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91 | */ |
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92 | void _mondo_assert_fail(const char *file, |
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93 | const char *function, int line, const char *exp) |
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94 | { |
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95 | static int ignoring_assertions = 0; |
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96 | bool is_valid = TRUE; |
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97 | |
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98 | log_it("ASSERTION FAILED: `%s' at %s:%d in %s", exp, file, line, |
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99 | function); |
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100 | if (ignoring_assertions) { |
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101 | log_it("Well, the user doesn't care..."); |
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102 | return; |
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103 | } |
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104 | #ifndef _XWIN |
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105 | if (!g_text_mode) |
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106 | newtSuspend(); |
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107 | #endif |
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108 | printf(_("ASSERTION FAILED: `%s'\n"), exp); |
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109 | printf(_("\tat %s:%d in %s\n\n"), file, line, function); |
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110 | printf(_("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ")); |
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111 | do { |
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112 | is_valid = TRUE; |
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113 | switch (toupper(getchar())) { |
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114 | case 'A': // ignore (A)ll |
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115 | ignoring_assertions = 1; |
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116 | break; |
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117 | case 'B': // a(B)ort |
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118 | signal(SIGABRT, SIG_DFL); /* prevent SIGABRT handler from running */ |
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119 | raise(SIGABRT); |
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120 | break; /* "can't get here" */ |
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121 | case 'D': // (D)ebug, aka asm("int 3") |
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122 | #ifdef __IA32__ |
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123 | __asm__ __volatile__("int $3"); // break to debugger |
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124 | #endif |
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125 | break; |
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126 | case 'E': // (E)xit |
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127 | fatal_error("Failed assertion -- see above for details"); |
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128 | break; /* "can't get here" */ |
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129 | case 'I': // (I)gnore |
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130 | break; |
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131 | /* These next two work as follows: |
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132 | the `default' catches the user's invalid choice and says so; |
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133 | the '\n' catches the newline on the end and prints the prompt again. |
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134 | */ |
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135 | case '\n': |
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136 | printf |
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137 | (_("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ")); |
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138 | break; |
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139 | default: |
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140 | is_valid = FALSE; |
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141 | printf(_("Invalid choice.\n")); |
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142 | break; |
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143 | } |
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144 | } while (!is_valid); |
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145 | |
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146 | if (ignoring_assertions) { |
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147 | log_it("Ignoring ALL assertions from now on."); |
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148 | } else { |
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149 | log_it("Ignoring assertion: %s", exp); |
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150 | } |
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151 | |
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152 | getchar(); // skip \n |
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153 | |
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154 | #ifndef _XWIN |
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155 | if (!g_text_mode) |
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156 | newtResume(); |
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157 | #endif |
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158 | } |
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159 | |
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160 | /** |
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161 | * Clean's up users' KDE desktops. |
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162 | * @bug Details about this function are unknown. |
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163 | */ |
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164 | void clean_up_KDE_desktop_if_necessary(void) |
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165 | { |
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166 | char *tmp; |
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167 | |
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168 | mr_asprintf(&tmp, |
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169 | "for i in `find /root /home -type d -name Desktop -maxdepth 2`; do \ |
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170 | file=$i/.directory; if [ -f \"$file\" ] ; then mv -f $file $file.old ; \ |
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171 | awk '{if (index($0, \"rootimagesmindi\")) { while (length($0)>2) { getline;} ; } \ |
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172 | else { print $0;};}' $file.old > $file ; fi ; done"); |
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173 | run_program_and_log_output(tmp, 5); |
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174 | mr_free(tmp); |
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175 | } |
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176 | |
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177 | |
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178 | /** |
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179 | * Locate mondoarchive's home directory. Searches in /usr/share/mondo, |
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180 | * /usr/local/share/mondo, /opt, or if all else fails, search /usr. |
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181 | * |
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182 | * @param home_sz String to store the home directory ("" if it could not be found). |
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183 | * @return 0 for success, nonzero for failure. |
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184 | */ |
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185 | int find_and_store_mondoarchives_home(char *home_sz) |
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186 | { |
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187 | assert(home_sz != NULL); |
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188 | strcpy(home_sz, MONDO_SHARE); |
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189 | return (0); |
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190 | } |
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191 | |
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192 | |
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193 | char *get_architecture(void) |
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194 | { |
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195 | #ifdef __IA32__ |
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196 | return ("i386"); |
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197 | #endif |
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198 | #ifdef __X86_64__ |
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199 | return ("x86_64"); |
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200 | #endif |
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201 | #ifdef __IA64__ |
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202 | return ("ia64"); |
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203 | #endif |
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204 | return ("unknown"); |
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205 | } |
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206 | |
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207 | |
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208 | /* BERLIOS: Use uname instead */ |
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209 | double get_kernel_version(void) |
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210 | { |
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211 | char *p, tmp[200]; |
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212 | double d; |
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213 | #ifdef __FreeBSD__ |
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214 | // JOSH - FIXME :) |
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215 | d = 5.2; // :-) |
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216 | #else |
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217 | strcpy(tmp, call_program_and_get_last_line_of_output("uname -r")); |
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218 | p = strchr(tmp, '.'); |
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219 | if (p) { |
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220 | p = strchr(++p, '.'); |
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221 | if (p) { |
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222 | while (*p) { |
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223 | *p = *(p + 1); |
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224 | p++; |
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225 | } |
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226 | } |
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227 | } |
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228 | // mr_msg(1, "tmp = '%s'", tmp); |
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229 | d = atof(tmp); |
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230 | #endif |
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231 | mr_msg(1, "g_kernel_version = %f", d); |
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232 | return (d); |
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233 | } |
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234 | |
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235 | |
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236 | /** |
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237 | * Get the current time. |
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238 | * @return number of seconds since the epoch. |
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239 | */ |
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240 | long get_time(void) |
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241 | { |
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242 | return (long) time((void *) 0); |
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243 | } |
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244 | |
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245 | |
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246 | /** |
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247 | * Initialize a RAID volume structure, setting fields to zero. The |
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248 | * actual hard drive is unaffected. |
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249 | * |
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250 | * @param raidrec The RAID volume structure to initialize. |
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251 | * @note This function is system dependent. |
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252 | */ |
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253 | #ifdef __FreeBSD__ |
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254 | void initialize_raidrec(struct vinum_volume *raidrec) |
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255 | { |
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256 | int i, j; |
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257 | raidrec->volname[0] = '\0'; |
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258 | raidrec->plexes = 0; |
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259 | for (i = 0; i < 9; ++i) { |
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260 | raidrec->plex[i].raidlevel = -1; |
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261 | raidrec->plex[i].stripesize = 0; |
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262 | raidrec->plex[i].subdisks = 0; |
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263 | for (j = 0; j < 9; ++j) { |
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264 | strcpy(raidrec->plex[i].sd[j].which_device, ""); |
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265 | } |
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266 | } |
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267 | } |
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268 | #else |
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269 | void initialize_raidrec(struct raid_device_record *raidrec) |
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270 | { |
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271 | assert(raidrec != NULL); |
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272 | raidrec->raid_device[0] = '\0'; |
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273 | raidrec->raid_level = -9; |
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274 | raidrec->persistent_superblock = 1; |
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275 | raidrec->chunk_size = 64; |
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276 | raidrec->parity = -1; |
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277 | raidrec->data_disks.entries = 0; |
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278 | raidrec->spare_disks.entries = 0; |
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279 | raidrec->parity_disks.entries = 0; |
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280 | raidrec->failed_disks.entries = 0; |
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281 | raidrec->additional_vars.entries = 0; |
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282 | } |
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283 | #endif |
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284 | |
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285 | |
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286 | /** |
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287 | * Insert modules that Mondo requires. |
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288 | * Currently inserts @c dos, @c fat, @c vfat, and @c osst for Linux; |
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289 | * @c msdosfs and @c ext2fs for FreeBSD. |
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290 | */ |
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291 | void insmod_crucial_modules(void) |
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292 | { |
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293 | #ifdef __FreeBSD__ |
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294 | system("kldstat | grep msdosfs || kldload msdosfs 2> /dev/null"); |
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295 | system("kldstat | grep ext2fs || kldload ext2fs 2> /dev/null"); |
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296 | #else |
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297 | system("modprobe -a dos fat vfat loop &> /dev/null"); |
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298 | #endif |
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299 | } |
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300 | |
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301 | |
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302 | /** |
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303 | * Finish configuring the backup information structure. Call this function |
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304 | * to set the parameters that depend on those that can be given on the command |
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305 | * line. |
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306 | * |
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307 | * @param bkpinfo The backup information structure. Fields modified/used: |
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308 | * - Used: @c bkpinfo->backup_data |
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309 | * - Used: @c bkpinfo->backup_media_type |
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310 | * - Used: @c bkpinfo->cdrw_speed |
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311 | * - Used: @c bkpinfo->compression_level |
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312 | * - Used: @c bkpinfo->include_paths |
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313 | * - Used: @c bkpinfo->prefix |
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314 | * - Used: @c bkpinfo->isodir |
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315 | * - Used: @c bkpinfo->manual_cd_tray |
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316 | * - Used: @c bkpinfo->make_cd_use_lilo |
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317 | * - Used: @c bkpinfo->media_device |
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318 | * - Used: @c bkpinfo->nfs_mount |
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319 | * - Used: @c bkpinfo->nonbootable_backup |
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320 | * - Used: @c bkpinfo->scratchdir |
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321 | * - Used: @c bkpinfo->tmpdir |
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322 | * - Used: @c bkpinfo->use_lzo |
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323 | * - Modified: @c bkpinfo->call_before_iso |
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324 | * - Modified: @c bkpinfo->call_make_iso |
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325 | * - Modified: @c bkpinfo->optimal_set_size |
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326 | * - Modified: @c bkpinfo->zip_exe |
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327 | * - Modified: @c bkpinfo->zip_suffix |
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328 | * |
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329 | * @return number of errors, or 0 for success. |
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330 | * @note Also creates directories that are specified in the @c bkpinfo structure but |
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331 | * do not exist. |
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332 | */ |
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333 | int post_param_configuration(struct s_bkpinfo *bkpinfo) |
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334 | { |
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335 | char *extra_cdrom_params = NULL; |
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336 | char *mondo_mkisofs_sz = NULL; |
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337 | char *command = NULL; |
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338 | char *hostname = NULL; |
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339 | char *ip_address = NULL; |
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340 | int retval = 0; |
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341 | long avm = 0; |
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342 | char *colon = NULL; |
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343 | char *cdr_exe = NULL; |
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344 | char *tmp = NULL; |
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345 | char *call_before_iso_user = NULL; |
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346 | int rdsiz_MB; |
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347 | char *iso_dev = NULL; |
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348 | char *iso_mnt = NULL; |
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349 | char *iso_tmp = NULL; |
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350 | char *iso_path = NULL; |
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351 | FILE *fd1 = NULL; |
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352 | |
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353 | assert(bkpinfo != NULL); |
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354 | bkpinfo->optimal_set_size = |
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355 | (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type) ? 16 : 16) * |
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356 | 1024; |
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357 | |
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358 | mr_msg(1, "Foo"); |
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359 | if (bkpinfo->backup_media_type == tape) { |
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360 | mr_msg(1, "Bar"); |
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361 | mr_asprintf(&tmp, "mt -f %s status", bkpinfo->media_device); |
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362 | mr_msg(1, "tmp = '%s'", tmp); |
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363 | if (run_program_and_log_output(tmp, 3)) { |
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364 | fatal_error |
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365 | ("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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366 | } |
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367 | mr_free(tmp); |
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368 | } |
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369 | make_hole_for_dir(bkpinfo->scratchdir); |
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370 | make_hole_for_dir(bkpinfo->tmpdir); |
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371 | if (bkpinfo->backup_media_type == iso) |
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372 | make_hole_for_dir(bkpinfo->isodir); |
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373 | |
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374 | run_program_and_log_output("uname -a", 5); |
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375 | run_program_and_log_output("cat /etc/*-release", 5); |
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376 | sprintf(g_tmpfs_mountpt, "%s/tmpfs", bkpinfo->tmpdir); |
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377 | mr_asprintf(&command, "mkdir -p %s", g_tmpfs_mountpt); |
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378 | paranoid_system(command); |
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379 | mr_free(command); |
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380 | rdsiz_MB = PPCFG_RAMDISK_SIZE + g_tape_buffer_size_MB; |
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381 | #ifdef __FreeBSD__ |
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382 | mr_asprintf(&tmp, |
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383 | call_program_and_get_last_line_of_output |
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384 | ("vmstat | tail -1 | tr -s ' ' | cut -d' ' -f6")); |
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385 | avm += atol(tmp); |
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386 | mr_free(tmp); |
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387 | mr_asprintf(&tmp, |
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388 | call_program_and_get_last_line_of_output |
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389 | ("swapinfo | grep -v Device | tr -s ' ' | cut -d' ' -f4 | tr '\n' '+' | sed 's/+$//' | bc")); |
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390 | avm += atol(tmp); |
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391 | mr_free(tmp); |
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392 | mr_asprintf(&command, "mdmfs -s %d%c md9 %s", rdsiz_MB, 'm', |
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393 | g_tmpfs_mountpt); |
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394 | #else |
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395 | mr_asprintf(&tmp, |
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396 | call_program_and_get_last_line_of_output |
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397 | ("free | grep ':' | tr -s ' ' '\t' | cut -f2 | head -n1")); |
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398 | avm += atol(tmp); |
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399 | mr_free(tmp); |
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400 | mr_asprintf(&command, "mount /dev/shm -t tmpfs %s -o size=%d%c", |
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401 | g_tmpfs_mountpt, rdsiz_MB, 'm'); |
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402 | run_program_and_log_output("cat /proc/cpuinfo", 5); |
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403 | /* BERLIOS: rpm is not necessarily there ! */ |
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404 | run_program_and_log_output |
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405 | ("rpm -q newt newt-devel slang slang-devel ncurses ncurses-devel gcc", |
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406 | 5); |
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407 | #endif |
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408 | if (avm / 1024 > rdsiz_MB * 3) { |
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409 | if (run_program_and_log_output(command, 5)) { |
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410 | g_tmpfs_mountpt[0] = '\0'; |
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411 | log_it("Failed to mount tmpfs"); |
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412 | } else { |
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413 | log_it("Tmpfs mounted OK - %d MB", rdsiz_MB); |
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414 | } |
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415 | } else { |
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416 | g_tmpfs_mountpt[0] = '\0'; |
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417 | log_it("It doesn't seem you have enough swap to use tmpfs. Fine."); |
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418 | } |
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419 | mr_free(command); |
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420 | |
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421 | if (bkpinfo->use_lzo) { |
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422 | strcpy(bkpinfo->zip_exe, "lzop"); |
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423 | strcpy(bkpinfo->zip_suffix, "lzo"); |
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424 | } else if (bkpinfo->use_gzip) { |
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425 | strcpy(bkpinfo->zip_exe, "gzip"); |
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426 | strcpy(bkpinfo->zip_suffix, "gz"); |
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427 | } else if (bkpinfo->compression_level != 0) { |
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428 | strcpy(bkpinfo->zip_exe, "bzip2"); |
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429 | strcpy(bkpinfo->zip_suffix, "bz2"); |
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430 | } else { |
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431 | bkpinfo->zip_exe[0] = bkpinfo->zip_suffix[0] = '\0'; |
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432 | } |
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433 | |
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434 | // DVD |
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435 | |
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436 | if (bkpinfo->backup_media_type == dvd) { |
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437 | if (find_home_of_exe("growisofs")) { |
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438 | mr_asprintf(&cdr_exe, "growisofs"); |
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439 | } else { |
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440 | fatal_error("Please install growisofs."); |
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441 | } |
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442 | if (bkpinfo->nonbootable_backup) { |
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443 | mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_NONBOOT); |
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444 | } else if |
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445 | #ifdef __FreeBSD__ |
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446 | (TRUE) |
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447 | #else |
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448 | (bkpinfo->make_cd_use_lilo) |
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449 | #endif |
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450 | #ifdef __IA64__ |
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451 | { |
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452 | mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_ELILO); |
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453 | } |
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454 | #else |
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455 | { |
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456 | mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_LILO); |
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457 | } |
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458 | #endif |
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459 | else |
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460 | { |
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461 | mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_SYSLINUX); |
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462 | } |
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463 | if (bkpinfo->manual_cd_tray) { |
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464 | fatal_error("Manual CD tray + DVD not supported yet."); |
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465 | // -m isn't supported by growisofs, BTW... |
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466 | } else { |
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467 | sprintf(bkpinfo->call_make_iso, |
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468 | "%s %s -Z %s . 2>> _ERR_", |
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469 | mondo_mkisofs_sz, "", bkpinfo->media_device); |
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470 | } |
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471 | mr_free(mondo_mkisofs_sz); |
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472 | |
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473 | if (getenv ("SUDO_COMMAND")) { |
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474 | mr_asprintf(&command, "strings `which growisofs` | grep -c SUDO_COMMAND"); |
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475 | if (!strcmp(call_program_and_get_last_line_of_output(command), "1")) { |
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476 | popup_and_OK("Fatal Error: Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details."); |
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477 | fatal_error("Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details."); |
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478 | } |
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479 | mr_free(command); |
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480 | } |
---|
481 | mr_msg(2, "call_make_iso (DVD res) is ... %s", |
---|
482 | bkpinfo->call_make_iso); |
---|
483 | } // end of DVD code |
---|
484 | |
---|
485 | // CD-R or CD-RW |
---|
486 | if (bkpinfo->backup_media_type == cdrw |
---|
487 | || bkpinfo->backup_media_type == cdr) { |
---|
488 | if (!bkpinfo->manual_cd_tray) { |
---|
489 | mr_strcat(extra_cdrom_params, "-waiti "); |
---|
490 | } |
---|
491 | if (bkpinfo->backup_media_type == cdrw) { |
---|
492 | mr_strcat(extra_cdrom_params, "blank=fast "); |
---|
493 | } |
---|
494 | if (find_home_of_exe("cdrecord")) { |
---|
495 | mr_asprintf(&cdr_exe, "cdrecord"); |
---|
496 | } else if (find_home_of_exe("dvdrecord")) { |
---|
497 | mr_asprintf(&cdr_exe, "dvdrecord"); |
---|
498 | } else { |
---|
499 | fatal_error("Please install either cdrecord or dvdrecord."); |
---|
500 | } |
---|
501 | if (bkpinfo->nonbootable_backup) { |
---|
502 | mr_asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_NONBOOT); |
---|
503 | } else if |
---|
504 | #ifdef __FreeBSD__ |
---|
505 | (TRUE) |
---|
506 | #else |
---|
507 | (bkpinfo->make_cd_use_lilo) |
---|
508 | #endif |
---|
509 | #ifdef __IA64__ |
---|
510 | { |
---|
511 | mr_asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_ELILO); |
---|
512 | } |
---|
513 | #else |
---|
514 | { |
---|
515 | mr_asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_LILO); |
---|
516 | } |
---|
517 | #endif |
---|
518 | else |
---|
519 | { |
---|
520 | mr_asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_SYSLINUX); |
---|
521 | } |
---|
522 | if (bkpinfo->manual_cd_tray) { |
---|
523 | if (bkpinfo->call_before_iso[0] == '\0') { |
---|
524 | sprintf(bkpinfo->call_before_iso, |
---|
525 | "%s -o %s/temporary.iso . 2>> _ERR_", |
---|
526 | mondo_mkisofs_sz, bkpinfo->tmpdir); |
---|
527 | } else { |
---|
528 | mr_asprintf(&call_before_iso_user, bkpinfo->call_before_iso); |
---|
529 | sprintf (bkpinfo->call_before_iso, |
---|
530 | "( %s -o %s/temporary.iso . 2>> _ERR_ ; %s )", |
---|
531 | mondo_mkisofs_sz, bkpinfo->tmpdir, call_before_iso_user); |
---|
532 | mr_free(call_before_iso_user); |
---|
533 | } |
---|
534 | log_it("bkpinfo->call_before_iso = %s", bkpinfo->call_before_iso); |
---|
535 | sprintf(bkpinfo->call_make_iso, |
---|
536 | "%s %s -v %s fs=4m dev=%s speed=%d %s/temporary.iso", |
---|
537 | cdr_exe, (bkpinfo->please_dont_eject) ? " " : "-eject", |
---|
538 | extra_cdrom_params, bkpinfo->media_device, |
---|
539 | bkpinfo->cdrw_speed, bkpinfo->tmpdir); |
---|
540 | } else { |
---|
541 | sprintf(bkpinfo->call_make_iso, |
---|
542 | "%s . 2>> _ERR_ | %s %s %s fs=4m dev=%s speed=%d -", |
---|
543 | mondo_mkisofs_sz, cdr_exe, |
---|
544 | (bkpinfo->please_dont_eject) ? " " : "-eject", |
---|
545 | extra_cdrom_params, bkpinfo->media_device, |
---|
546 | bkpinfo->cdrw_speed); |
---|
547 | } |
---|
548 | mr_free(mondo_mkisofs_sz); |
---|
549 | mr_free(cdr_exe); |
---|
550 | mr_free(extra_cdrom_params); |
---|
551 | } // end of CD code |
---|
552 | |
---|
553 | if (bkpinfo->backup_media_type == iso) { |
---|
554 | |
---|
555 | /* Patch by Conor Daly <conor.daly@met.ie> |
---|
556 | * 23-june-2004 |
---|
557 | * Break up isodir into iso_mnt and iso_path |
---|
558 | * These will be used along with iso-dev at restore time |
---|
559 | * to locate the ISOs where ever they're mounted |
---|
560 | */ |
---|
561 | |
---|
562 | log_it("isodir = %s", bkpinfo->isodir); |
---|
563 | mr_asprintf(&command, "df -P %s | tail -n1 | cut -d' ' -f1", |
---|
564 | bkpinfo->isodir); |
---|
565 | log_it("command = %s", command); |
---|
566 | mr_asprintf(&iso_dev, call_program_and_get_last_line_of_output(command)); |
---|
567 | mr_free(command); |
---|
568 | log_it("res of it = %s", iso_dev); |
---|
569 | |
---|
570 | fd1 = mr_fopen(MONDORESTORECFG, "a"); |
---|
571 | mr_fprintf(fd1, "iso-dev=%s\n", iso_dev); |
---|
572 | |
---|
573 | mr_asprintf(&command, "mount | grep -w %s | tail -n1 | cut -d' ' -f3", |
---|
574 | iso_dev); |
---|
575 | mr_free(iso_dev); |
---|
576 | |
---|
577 | log_it("command = %s", command); |
---|
578 | mr_asprintf(&iso_mnt,call_program_and_get_last_line_of_output(command)); |
---|
579 | mr_free(command); |
---|
580 | |
---|
581 | log_it("res of it = %s", iso_mnt); |
---|
582 | mr_fprintf(fd1, "iso-mnt=%s\n", iso_mnt); |
---|
583 | log_it("isomnt: %s, %d", iso_mnt, strlen(iso_mnt)); |
---|
584 | |
---|
585 | mr_asprintf(&iso_tmp, "%s", bkpinfo->isodir); |
---|
586 | if (strlen(iso_tmp) >= strlen(iso_mnt)) { |
---|
587 | mr_asprintf(&iso_path, "%s", iso_tmp + strlen(iso_mnt)); |
---|
588 | } else { |
---|
589 | mr_asprintf(&iso_path, ""); |
---|
590 | } |
---|
591 | mr_free(iso_tmp); |
---|
592 | mr_free(iso_mnt); |
---|
593 | |
---|
594 | log_it("isodir: %s", iso_path); |
---|
595 | mr_fprintf(fd1, "isodir=%s\n", iso_path); |
---|
596 | mr_free(iso_path); |
---|
597 | |
---|
598 | log_it("iso-prefix: %s", bkpinfo->prefix); |
---|
599 | mr_fprintf(fd1, "iso-prefix=%s\n", bkpinfo->prefix); |
---|
600 | |
---|
601 | mr_fclose(fd1); |
---|
602 | } // end of iso code |
---|
603 | |
---|
604 | if (bkpinfo->backup_media_type == nfs) { |
---|
605 | mr_asprintf(&hostname, bkpinfo->nfs_mount); |
---|
606 | colon = strchr(hostname, ':'); |
---|
607 | if (!colon) { |
---|
608 | log_it("nfs mount doesn't have a colon in it"); |
---|
609 | retval++; |
---|
610 | } else { |
---|
611 | struct hostent *hent; |
---|
612 | |
---|
613 | *colon = '\0'; |
---|
614 | hent = gethostbyname(hostname); |
---|
615 | if (!hent) { |
---|
616 | log_it("Can't resolve NFS mount (%s): %s", hostname, |
---|
617 | hstrerror(h_errno)); |
---|
618 | retval++; |
---|
619 | } else { |
---|
620 | mr_asprintf(&ip_address, "%s%s", inet_ntoa((struct in_addr) |
---|
621 | *((struct in_addr *) hent->h_addr)), |
---|
622 | strchr(bkpinfo->nfs_mount, ':')); |
---|
623 | strcpy(bkpinfo->nfs_mount, ip_address); |
---|
624 | mr_free(ip_address); |
---|
625 | } |
---|
626 | } |
---|
627 | store_nfs_config(bkpinfo); |
---|
628 | mr_free(hostname); |
---|
629 | } |
---|
630 | |
---|
631 | log_it("Finished processing incoming params"); |
---|
632 | if (retval) { |
---|
633 | fprintf(stderr, "Type 'man mondoarchive' for help.\n"); |
---|
634 | } |
---|
635 | mr_asprintf(&tmp, "%s", MONDO_TMPISOS); |
---|
636 | if (does_file_exist(tmp)) { |
---|
637 | unlink(tmp); |
---|
638 | } |
---|
639 | mr_free(tmp); |
---|
640 | |
---|
641 | if (strlen(bkpinfo->tmpdir) < 2 || strlen(bkpinfo->scratchdir) < 2) { |
---|
642 | log_it("tmpdir or scratchdir are blank/missing"); |
---|
643 | retval++; |
---|
644 | } |
---|
645 | if (bkpinfo->include_paths[0] == '\0') { |
---|
646 | // fatal_error ("Why no backup path?"); |
---|
647 | strcpy(bkpinfo->include_paths, "/"); |
---|
648 | } |
---|
649 | chmod(bkpinfo->scratchdir, 0700); |
---|
650 | chmod(bkpinfo->tmpdir, 0700); |
---|
651 | g_backup_media_type = bkpinfo->backup_media_type; |
---|
652 | g_backup_media_string = bkpinfo->backup_media_string; |
---|
653 | return (retval); |
---|
654 | } |
---|
655 | |
---|
656 | |
---|
657 | /** |
---|
658 | * Do some miscellaneous setup tasks to be performed before filling @c bkpinfo. |
---|
659 | * Seeds the random-number generator, loads important modules, checks the sanity |
---|
660 | * of the user's Linux distribution, and deletes logfile. |
---|
661 | * @param bkpinfo The backup information structure. Will be initialized. |
---|
662 | * @return number of errors (0 for success) |
---|
663 | */ |
---|
664 | int pre_param_configuration(struct s_bkpinfo *bkpinfo) |
---|
665 | { |
---|
666 | int res = 0; |
---|
667 | |
---|
668 | make_hole_for_dir(MNT_CDROM); |
---|
669 | assert(bkpinfo != NULL); |
---|
670 | srandom((unsigned long) (time(NULL))); |
---|
671 | insmod_crucial_modules(); |
---|
672 | reset_bkpinfo(bkpinfo); // also sets defaults ('/'=backup path, 3=compression level) |
---|
673 | if (bkpinfo->disaster_recovery) { |
---|
674 | if (!does_nonMS_partition_exist()) { |
---|
675 | fatal_error |
---|
676 | ("I am in disaster recovery mode\nPlease don't run mondoarchive."); |
---|
677 | } |
---|
678 | } |
---|
679 | |
---|
680 | run_program_and_log_output("rm -Rf /tmp/changed.files*", FALSE); |
---|
681 | res += some_basic_system_sanity_checks(); |
---|
682 | if (res) { |
---|
683 | log_it("Your distribution did not pass Mondo's sanity test."); |
---|
684 | } |
---|
685 | g_current_media_number = 1; |
---|
686 | bkpinfo->postnuke_tarball[0] = bkpinfo->nfs_mount[0] = '\0'; |
---|
687 | return (res); |
---|
688 | } |
---|
689 | |
---|
690 | |
---|
691 | |
---|
692 | |
---|
693 | /** |
---|
694 | * Reset all fields of the backup information structure to a sensible default. |
---|
695 | * @param bkpinfo The @c bkpinfo to reset. |
---|
696 | */ |
---|
697 | void reset_bkpinfo(struct s_bkpinfo *bkpinfo) |
---|
698 | { |
---|
699 | int i; |
---|
700 | |
---|
701 | mr_msg(1, "Hi"); |
---|
702 | |
---|
703 | assert(bkpinfo != NULL); |
---|
704 | /* BERLIOS : Useless ?? */ |
---|
705 | memset((void *) bkpinfo, 0, sizeof(struct s_bkpinfo)); |
---|
706 | |
---|
707 | bkpinfo->manual_cd_tray = FALSE; |
---|
708 | bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE; |
---|
709 | bkpinfo->media_device[0] = '\0'; |
---|
710 | for (i = 0; i <= MAX_NOOF_MEDIA; i++) { |
---|
711 | bkpinfo->media_size[i] = -1; |
---|
712 | } |
---|
713 | bkpinfo->boot_loader = '\0'; |
---|
714 | bkpinfo->boot_device[0] = '\0'; |
---|
715 | bkpinfo->zip_exe[0] = '\0'; |
---|
716 | bkpinfo->zip_suffix[0] = '\0'; |
---|
717 | bkpinfo->restore_path[0] = '\0'; |
---|
718 | bkpinfo->use_lzo = FALSE; |
---|
719 | bkpinfo->use_gzip = FALSE; |
---|
720 | bkpinfo->do_not_compress_these[0] = '\0'; |
---|
721 | bkpinfo->verify_data = FALSE; |
---|
722 | bkpinfo->backup_data = FALSE; |
---|
723 | bkpinfo->restore_data = FALSE; |
---|
724 | bkpinfo->disaster_recovery = |
---|
725 | (am_I_in_disaster_recovery_mode()? TRUE : FALSE); |
---|
726 | if (bkpinfo->disaster_recovery) { |
---|
727 | strcpy(bkpinfo->isodir, "/"); |
---|
728 | } else { |
---|
729 | strcpy(bkpinfo->isodir, "/var/cache/mondo/iso"); |
---|
730 | } |
---|
731 | strcpy(bkpinfo->prefix, STD_PREFIX); |
---|
732 | |
---|
733 | bkpinfo->scratchdir[0] = '\0'; |
---|
734 | bkpinfo->make_filelist = TRUE; // unless -J supplied to mondoarchive |
---|
735 | sprintf(bkpinfo->tmpdir, "/tmp/tmpfs/mondo.tmp.%d", (int) (random() % 32768)); // for mondorestore |
---|
736 | bkpinfo->optimal_set_size = 0; |
---|
737 | bkpinfo->backup_media_type = none; |
---|
738 | bkpinfo->backup_media_string[0] = '\0'; |
---|
739 | strcpy(bkpinfo->include_paths, "/"); |
---|
740 | bkpinfo->exclude_paths[0] = '\0'; |
---|
741 | bkpinfo->call_before_iso[0] = '\0'; |
---|
742 | bkpinfo->call_make_iso[0] = '\0'; |
---|
743 | bkpinfo->call_burn_iso[0] = '\0'; |
---|
744 | bkpinfo->call_after_iso[0] = '\0'; |
---|
745 | bkpinfo->image_devs[0] = '\0'; |
---|
746 | bkpinfo->postnuke_tarball[0] = '\0'; |
---|
747 | bkpinfo->kernel_path[0] = '\0'; |
---|
748 | bkpinfo->nfs_mount[0] = '\0'; |
---|
749 | bkpinfo->nfs_remote_dir[0] = '\0'; |
---|
750 | bkpinfo->wipe_media_first = FALSE; |
---|
751 | bkpinfo->differential = FALSE; |
---|
752 | bkpinfo->cdrw_speed = 0; |
---|
753 | // patch by Herman Kuster |
---|
754 | bkpinfo->differential = 0; |
---|
755 | // patch end |
---|
756 | bkpinfo->compression_level = 3; |
---|
757 | } |
---|
758 | |
---|
759 | |
---|
760 | /** |
---|
761 | * Get the remaining free space (in MB) on @p partition. |
---|
762 | * @param partition The partition to check free space on (either a device or a mountpoint). |
---|
763 | * @return The free space on @p partition, in MB. |
---|
764 | */ |
---|
765 | long free_space_on_given_partition(char *partition) |
---|
766 | { |
---|
767 | char *command = NULL; |
---|
768 | char *out_sz = NULL; |
---|
769 | long res = 0L; |
---|
770 | |
---|
771 | assert_string_is_neither_NULL_nor_zerolength(partition); |
---|
772 | |
---|
773 | mr_asprintf(&command, "df -m -P %s &> /dev/null", partition); |
---|
774 | if (system(command)) { |
---|
775 | return (-1); |
---|
776 | } // partition does not exist |
---|
777 | mr_free(command); |
---|
778 | |
---|
779 | mr_asprintf(&command, "df -m -P %s | tail -n1 | tr -s ' ' '\t' | cut -f4", |
---|
780 | partition); |
---|
781 | mr_asprintf(&out_sz, call_program_and_get_last_line_of_output(command)); |
---|
782 | mr_free(command); |
---|
783 | |
---|
784 | if (strlen(out_sz) == 0) { |
---|
785 | return (-1); |
---|
786 | } // error within df, probably |
---|
787 | res = atol(out_sz); |
---|
788 | mr_free(out_sz); |
---|
789 | return (res); |
---|
790 | } |
---|
791 | |
---|
792 | |
---|
793 | /** |
---|
794 | * Check the user's system for sanity. Checks performed: |
---|
795 | * - make sure user has enough RAM (32mb required, 64mb recommended) |
---|
796 | * - make sure user has enough free space in @c / |
---|
797 | * - check kernel for ramdisk support |
---|
798 | * - make sure afio, cdrecord, mkisofs, bzip2, awk, md5sum, strings, mindi, and buffer exist |
---|
799 | * - make sure CD-ROM is unmounted |
---|
800 | * - make sure /etc/modules.conf exists |
---|
801 | * - make sure user's mountlist is OK by running <tt>mindi --makemountlist</tt> |
---|
802 | * |
---|
803 | * @return number of problems with the user's setup (0 for success) |
---|
804 | */ |
---|
805 | int some_basic_system_sanity_checks() |
---|
806 | { |
---|
807 | |
---|
808 | /*@ buffers ************ */ |
---|
809 | char *tmp = NULL; |
---|
810 | |
---|
811 | /*@ int's *************** */ |
---|
812 | int retval = 0; |
---|
813 | long Lres; |
---|
814 | |
---|
815 | |
---|
816 | mvaddstr_and_log_it(g_currentY, 0, |
---|
817 | "Checking sanity of your Linux distribution"); |
---|
818 | #ifndef __FreeBSD__ |
---|
819 | if (system("which mkfs.vfat &> /dev/null") |
---|
820 | && !system("which mkfs.msdos &> /dev/null")) { |
---|
821 | log_it |
---|
822 | ("OK, you've got mkfs.msdos but not mkfs.vfat; time for the fairy to wave her magic wand..."); |
---|
823 | run_program_and_log_output |
---|
824 | ("ln -sf `which mkfs.msdos` /sbin/mkfs.vfat", FALSE); |
---|
825 | } |
---|
826 | mr_asprintf(&tmp, |
---|
827 | call_program_and_get_last_line_of_output |
---|
828 | ("free | grep Mem | head -n1 | tr -s ' ' '\t' | cut -f2")); |
---|
829 | if (atol(tmp) < 35000) { |
---|
830 | retval++; |
---|
831 | log_to_screen(_("You must have at least 32MB of RAM to use Mondo.")); |
---|
832 | } |
---|
833 | if (atol(tmp) < 66000) { |
---|
834 | log_to_screen |
---|
835 | (_("WARNING! You have very little RAM. Please upgrade to 64MB or more.")); |
---|
836 | } |
---|
837 | mr_free(tmp); |
---|
838 | #endif |
---|
839 | |
---|
840 | Lres = free_space_on_given_partition("/var/cache"); |
---|
841 | log_it("Free space on given partition = %ld MB", Lres); |
---|
842 | |
---|
843 | if (Lres < 50) { |
---|
844 | fatal_error("Your /var/cache partition has <50MB free. Please adjust your partition table to something saner."); |
---|
845 | } |
---|
846 | |
---|
847 | if (system("which " MKE2FS_OR_NEWFS " > /dev/null 2> /dev/null")) { |
---|
848 | retval++; |
---|
849 | log_to_screen |
---|
850 | ("Unable to find " MKE2FS_OR_NEWFS " in system path."); |
---|
851 | fatal_error |
---|
852 | ("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. :)"); |
---|
853 | } |
---|
854 | #ifndef __FreeBSD__ |
---|
855 | if (run_program_and_log_output |
---|
856 | ("grep ramdisk /proc/devices", FALSE)) { |
---|
857 | if (!ask_me_yes_or_no |
---|
858 | (_("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?"))) |
---|
859 | { |
---|
860 | // retval++; |
---|
861 | log_to_screen |
---|
862 | (_("It looks as if your kernel lacks ramdisk and initrd support.")); |
---|
863 | log_to_screen |
---|
864 | (_("I'll allow you to proceed but FYI, if I'm right, your kernel is broken.")); |
---|
865 | } |
---|
866 | } |
---|
867 | #endif |
---|
868 | retval += whine_if_not_found(MKE2FS_OR_NEWFS); |
---|
869 | retval += whine_if_not_found("mkisofs"); |
---|
870 | if (system("which dvdrecord > /dev/null 2> /dev/null")) { |
---|
871 | retval += whine_if_not_found("cdrecord"); |
---|
872 | } |
---|
873 | retval += whine_if_not_found("bzip2"); |
---|
874 | retval += whine_if_not_found("gzip"); |
---|
875 | retval += whine_if_not_found("awk"); |
---|
876 | retval += whine_if_not_found("md5sum"); |
---|
877 | retval += whine_if_not_found("strings"); |
---|
878 | retval += whine_if_not_found("mindi"); |
---|
879 | retval += whine_if_not_found("buffer"); |
---|
880 | |
---|
881 | // abort if Windows partition but no ms-sys and parted |
---|
882 | if (!run_program_and_log_output |
---|
883 | ("mount | grep -w vfat | grep -vE \"/dev/fd|nexdisk\"", 0) |
---|
884 | || |
---|
885 | !run_program_and_log_output |
---|
886 | ("mount | grep -w dos | grep -vE \"/dev/fd|nexdisk\"", 0)) { |
---|
887 | log_to_screen(_("I think you have a Windows 9x partition.")); |
---|
888 | retval += whine_if_not_found("parted"); |
---|
889 | #ifndef __IA64__ |
---|
890 | /* IA64 always has one vfat partition for EFI even without Windows */ |
---|
891 | // retval += |
---|
892 | if (!find_home_of_exe("ms-sys")) { |
---|
893 | log_to_screen("Please install ms-sys just in case."); |
---|
894 | } |
---|
895 | #endif |
---|
896 | } |
---|
897 | |
---|
898 | if (!find_home_of_exe("cmp")) { |
---|
899 | if (!find_home_of_exe("true")) { |
---|
900 | whine_if_not_found("cmp"); |
---|
901 | } else { |
---|
902 | log_to_screen |
---|
903 | ("Your system lacks the 'cmp' binary. I'll create a dummy cmp for you."); |
---|
904 | if (run_program_and_log_output |
---|
905 | ("cp -f `which true` /usr/bin/cmp", 0)) { |
---|
906 | fatal_error("Failed to create dummy 'cmp' file."); |
---|
907 | } |
---|
908 | } |
---|
909 | } |
---|
910 | run_program_and_log_output |
---|
911 | ("umount `mount | grep cdr | cut -d' ' -f3 | tr '\n' ' '`", 5); |
---|
912 | mr_asprintf(&tmp, |
---|
913 | call_program_and_get_last_line_of_output |
---|
914 | ("mount | grep -E \"cdr(om|w)\"")); |
---|
915 | if (strcmp("", tmp)) { |
---|
916 | if (strstr(tmp, "autofs")) { |
---|
917 | log_to_screen |
---|
918 | (_("Your CD-ROM is mounted via autofs. I therefore cannot tell")); |
---|
919 | log_to_screen |
---|
920 | (_("if a CD actually is inserted. If a CD is inserted, please")); |
---|
921 | log_to_screen(_("eject it. Thank you.")); |
---|
922 | log_it |
---|
923 | ("Ignoring autofs CD-ROM 'mount' since we hope nothing's in it."); |
---|
924 | } else |
---|
925 | if (run_program_and_log_output("uname -a | grep Knoppix", 5)) { |
---|
926 | retval++; |
---|
927 | fatal_error |
---|
928 | ("Your CD-ROM drive is mounted. Please unmount it."); |
---|
929 | } |
---|
930 | } |
---|
931 | mr_free(tmp); |
---|
932 | #ifndef __FreeBSD__ |
---|
933 | if (!does_file_exist("/etc/modules.conf")) { |
---|
934 | if (does_file_exist("/etc/conf.modules")) { |
---|
935 | log_it("Linking /etc/modules.conf to /etc/conf.modules"); |
---|
936 | run_program_and_log_output |
---|
937 | ("ln -sf /etc/conf.modules /etc/modules.conf", 5); |
---|
938 | } else if (does_file_exist("/etc/modprobe.d")) { |
---|
939 | log_it |
---|
940 | ("Directory /etc/modprobe.d found. mindi will use its contents."); |
---|
941 | } else if (does_file_exist("/etc/modprobe.conf")) { |
---|
942 | log_it("Linking /etc/modules.conf to /etc/modprobe.conf"); |
---|
943 | run_program_and_log_output |
---|
944 | ("ln -sf /etc/modprobe.conf /etc/modules.conf", 5); |
---|
945 | } else { |
---|
946 | retval++; |
---|
947 | log_to_screen |
---|
948 | (_("Please find out what happened to /etc/modules.conf")); |
---|
949 | } |
---|
950 | } |
---|
951 | #endif |
---|
952 | |
---|
953 | run_program_and_log_output("cat /etc/fstab", 5); |
---|
954 | #ifdef __FreeBSD__ |
---|
955 | run_program_and_log_output("vinum printconfig", 5); |
---|
956 | #else |
---|
957 | run_program_and_log_output("cat /etc/raidtab", 5); |
---|
958 | #endif |
---|
959 | |
---|
960 | if (run_program_and_log_output("mindi -V", 1)) { |
---|
961 | log_to_screen(_("Could not ascertain mindi's version number.")); |
---|
962 | log_to_screen |
---|
963 | (_("You have not installed Mondo and/or Mindi properly.")); |
---|
964 | log_to_screen(_("Please uninstall and reinstall them both.")); |
---|
965 | fatal_error("Please reinstall Mondo and Mindi."); |
---|
966 | } |
---|
967 | if (run_program_and_log_output |
---|
968 | ("mindi --makemountlist /tmp/mountlist.txt.test", 5)) { |
---|
969 | log_to_screen |
---|
970 | (_("Mindi --makemountlist /tmp/mountlist.txt.test failed for some reason.")); |
---|
971 | log_to_screen |
---|
972 | (_("Please run that command by hand and examine /var/log/mindi.log")); |
---|
973 | log_to_screen |
---|
974 | (_("for more information. Perhaps your /etc/fstab file is insane.")); |
---|
975 | log_to_screen |
---|
976 | (_("Perhaps Mindi's MakeMountlist() subroutine has a bug. We'll see.")); |
---|
977 | retval++; |
---|
978 | } |
---|
979 | |
---|
980 | if (!run_program_and_log_output("parted2fdisk -l | grep -i raid", 1) |
---|
981 | && !does_file_exist("/etc/raidtab")) { |
---|
982 | log_to_screen |
---|
983 | (_("You have RAID partitions but no /etc/raidtab - creating one from /proc/mdstat")); |
---|
984 | create_raidtab_from_mdstat("/etc/raidtab"); |
---|
985 | } |
---|
986 | |
---|
987 | if (retval) { |
---|
988 | mvaddstr_and_log_it(g_currentY++, 74, _("Failed.")); |
---|
989 | } else { |
---|
990 | mvaddstr_and_log_it(g_currentY++, 74, _("Done.")); |
---|
991 | } |
---|
992 | return (retval); |
---|
993 | } |
---|
994 | |
---|
995 | /** |
---|
996 | * Retrieve the line containing @p label from the config file. |
---|
997 | * @param config_file The file to read from, usually @c /tmp/mondo-restore.cfg. |
---|
998 | * @param label What to read from the file. |
---|
999 | * @param value Where to put it. |
---|
1000 | * @return 0 for success, 1 for failure. |
---|
1001 | */ |
---|
1002 | int read_cfg_var(char *config_file, char *label, char *value) |
---|
1003 | { |
---|
1004 | /*@ buffer ****************************************************** */ |
---|
1005 | char *command = NULL; |
---|
1006 | char *tmp = NULL; |
---|
1007 | |
---|
1008 | /*@ end vars *************************************************** */ |
---|
1009 | |
---|
1010 | assert_string_is_neither_NULL_nor_zerolength(config_file); |
---|
1011 | assert_string_is_neither_NULL_nor_zerolength(label); |
---|
1012 | |
---|
1013 | if (!does_file_exist(config_file)) { |
---|
1014 | mr_asprintf(&tmp, "(read_cfg_var) Cannot find %s config file", |
---|
1015 | config_file); |
---|
1016 | log_to_screen(tmp); |
---|
1017 | mr_free(tmp); |
---|
1018 | value[0] = '\0'; |
---|
1019 | return (1); |
---|
1020 | /* } BERLIOS: Useless: |
---|
1021 | else if (strstr(value, "/dev/") && strstr(value, "t0") |
---|
1022 | && !strcmp(label, "media-dev")) { |
---|
1023 | mr_msg(2, "FYI, I shan't read new value for %s - already got %s", |
---|
1024 | label, value); |
---|
1025 | return (0); |
---|
1026 | */ } else { |
---|
1027 | mr_asprintf(&command, "grep '%s .*' %s| cut -d'=' -f2,3,4,5", |
---|
1028 | label, config_file); |
---|
1029 | strcpy(value, call_program_and_get_last_line_of_output(command)); |
---|
1030 | mr_free(command); |
---|
1031 | if (strlen(value) == 0) { |
---|
1032 | return (1); |
---|
1033 | } else { |
---|
1034 | return (0); |
---|
1035 | } |
---|
1036 | } |
---|
1037 | } |
---|
1038 | |
---|
1039 | |
---|
1040 | /** |
---|
1041 | * Remount @c supermount if it was unmounted earlier. |
---|
1042 | */ |
---|
1043 | void remount_supermounts_if_necessary() |
---|
1044 | { |
---|
1045 | if (g_remount_cdrom_at_end) { |
---|
1046 | run_program_and_log_output("mount " MNT_CDROM, FALSE); |
---|
1047 | } |
---|
1048 | if (g_remount_floppy_at_end) { |
---|
1049 | run_program_and_log_output("mount " MNT_FLOPPY, FALSE); |
---|
1050 | } |
---|
1051 | } |
---|
1052 | |
---|
1053 | /** |
---|
1054 | * Unmount @c supermount if it's mounted. |
---|
1055 | */ |
---|
1056 | void unmount_supermounts_if_necessary() |
---|
1057 | { |
---|
1058 | if (run_program_and_log_output |
---|
1059 | ("mount | grep cdrom | grep super", FALSE) == 0) { |
---|
1060 | g_remount_cdrom_at_end = TRUE; |
---|
1061 | run_program_and_log_output("umount " MNT_CDROM, FALSE); |
---|
1062 | } |
---|
1063 | if (run_program_and_log_output |
---|
1064 | ("mount | grep floppy | grep super", FALSE) == 0) { |
---|
1065 | g_remount_floppy_at_end = TRUE; |
---|
1066 | run_program_and_log_output("umount " MNT_FLOPPY, FALSE); |
---|
1067 | } |
---|
1068 | } |
---|
1069 | |
---|
1070 | /** |
---|
1071 | * If this is a distribution like Gentoo that doesn't keep /boot mounted, mount it. |
---|
1072 | */ |
---|
1073 | void mount_boot_if_necessary() |
---|
1074 | { |
---|
1075 | char *tmp = NULL; |
---|
1076 | char *tmp1 = NULL; |
---|
1077 | char *command = NULL; |
---|
1078 | |
---|
1079 | mr_msg(1, "Started sub"); |
---|
1080 | mr_msg(4, "About to set g_boot_mountpt[0] to '\\0'"); |
---|
1081 | g_boot_mountpt[0] = '\0'; |
---|
1082 | mr_msg(4, "Done. Great. Setting command to something"); |
---|
1083 | mr_asprintf(&command, |
---|
1084 | "grep -v ':' /etc/fstab | grep -vE '^#.*$' | grep -E \"[ ]/boot[ ]\" | tr -s ' ' '\t' | cut -f1 | head -n1"); |
---|
1085 | mr_msg(4, "Cool. Command = '%s'", command); |
---|
1086 | mr_asprintf(&tmp, call_program_and_get_last_line_of_output(command)); |
---|
1087 | mr_free(command); |
---|
1088 | |
---|
1089 | mr_msg(4, "tmp = '%s'", tmp); |
---|
1090 | if (tmp[0]) { |
---|
1091 | log_it("/boot is at %s according to /etc/fstab", tmp); |
---|
1092 | if (strstr(tmp, "LABEL=")) { |
---|
1093 | if (!run_program_and_log_output("mount /boot", 5)) { |
---|
1094 | strcpy(g_boot_mountpt, "/boot"); |
---|
1095 | mr_msg(1, "Mounted /boot"); |
---|
1096 | } else { |
---|
1097 | log_it("...ignored cos it's a label :-)"); |
---|
1098 | } |
---|
1099 | } else { |
---|
1100 | mr_asprintf(&command, "mount | grep -E '^%s'", tmp); |
---|
1101 | mr_msg(3, "command = %s", command); |
---|
1102 | if (run_program_and_log_output(command, 5)) { |
---|
1103 | strcpy(g_boot_mountpt, tmp); |
---|
1104 | mr_asprintf(&tmp1, |
---|
1105 | "%s (your /boot partition) is not mounted. I'll mount it before backing up", |
---|
1106 | g_boot_mountpt); |
---|
1107 | log_it(tmp1); |
---|
1108 | mr_free(tmp1); |
---|
1109 | |
---|
1110 | mr_asprintf(&tmp1, "mount %s", g_boot_mountpt); |
---|
1111 | if (run_program_and_log_output(tmp1, 5)) { |
---|
1112 | g_boot_mountpt[0] = '\0'; |
---|
1113 | mr_msg(1, "Plan B"); |
---|
1114 | if (!run_program_and_log_output("mount /boot", 5)) { |
---|
1115 | strcpy(g_boot_mountpt, "/boot"); |
---|
1116 | mr_msg(1, "Plan B worked"); |
---|
1117 | } else { |
---|
1118 | mr_msg(1, |
---|
1119 | "Plan B failed. Unable to mount /boot for backup purposes. This probably means /boot is mounted already, or doesn't have its own partition."); |
---|
1120 | } |
---|
1121 | } |
---|
1122 | mr_free(tmp1); |
---|
1123 | } |
---|
1124 | mr_free(command); |
---|
1125 | } |
---|
1126 | } |
---|
1127 | mr_free(tmp); |
---|
1128 | mr_msg(1, "Ended sub"); |
---|
1129 | } |
---|
1130 | |
---|
1131 | |
---|
1132 | /** |
---|
1133 | * If we mounted /boot earlier, unmount it. |
---|
1134 | */ |
---|
1135 | void unmount_boot_if_necessary() |
---|
1136 | { |
---|
1137 | char *tmp; |
---|
1138 | |
---|
1139 | mr_msg(3, "starting"); |
---|
1140 | if (g_boot_mountpt[0]) { |
---|
1141 | mr_asprintf(&tmp, "umount %s", g_boot_mountpt); |
---|
1142 | if (run_program_and_log_output(tmp, 5)) { |
---|
1143 | log_it("WARNING - unable to unmount /boot"); |
---|
1144 | } |
---|
1145 | mr_free(tmp); |
---|
1146 | } |
---|
1147 | mr_msg(3, "leaving"); |
---|
1148 | } |
---|
1149 | |
---|
1150 | |
---|
1151 | /** |
---|
1152 | * Write a line to a configuration file. Writes a line of the form, |
---|
1153 | * @c label @c value. |
---|
1154 | * @param config_file The file to write to. Usually @c mondo-restore.cfg. |
---|
1155 | * @param label What to call this bit of data you're writing. |
---|
1156 | * @param value The bit of data you're writing. |
---|
1157 | * @return 0 for success, 1 for failure. |
---|
1158 | */ |
---|
1159 | int write_cfg_var(char *config_file, char *label, char *value) |
---|
1160 | { |
---|
1161 | /*@ buffers ***************************************************** */ |
---|
1162 | char *command = NULL; |
---|
1163 | char *tempfile = NULL; |
---|
1164 | char *tmp = NULL; |
---|
1165 | |
---|
1166 | |
---|
1167 | /*@ end vars *************************************************** */ |
---|
1168 | assert_string_is_neither_NULL_nor_zerolength(config_file); |
---|
1169 | assert_string_is_neither_NULL_nor_zerolength(label); |
---|
1170 | assert(value != NULL); |
---|
1171 | |
---|
1172 | if (!does_file_exist(config_file)) { |
---|
1173 | mr_asprintf(&tmp, "(write_cfg_file) Cannot find %s config file", |
---|
1174 | config_file); |
---|
1175 | log_to_screen(tmp); |
---|
1176 | mr_free(tmp); |
---|
1177 | return (1); |
---|
1178 | } |
---|
1179 | mr_asprintf(&tempfile, |
---|
1180 | call_program_and_get_last_line_of_output |
---|
1181 | ("mktemp -q /tmp/mojo-jojo.blah.XXXXXX")); |
---|
1182 | if (does_file_exist(config_file)) { |
---|
1183 | mr_asprintf(&command, "grep -vE '^%s .*$' %s > %s", |
---|
1184 | label, config_file, tempfile); |
---|
1185 | paranoid_system(command); |
---|
1186 | mr_free(command); |
---|
1187 | } |
---|
1188 | mr_asprintf(&command, "echo \"%s %s\" >> %s", label, value, tempfile); |
---|
1189 | paranoid_system(command); |
---|
1190 | mr_free(command); |
---|
1191 | |
---|
1192 | mr_asprintf(&command, "mv -f %s %s", tempfile, config_file); |
---|
1193 | paranoid_system(command); |
---|
1194 | mr_free(command); |
---|
1195 | unlink(tempfile); |
---|
1196 | mr_free(tempfile); |
---|
1197 | return (0); |
---|
1198 | } |
---|
1199 | |
---|
1200 | |
---|
1201 | /** |
---|
1202 | * Allocate or free important globals, depending on @p mal. |
---|
1203 | * @param mal If TRUE, malloc; if FALSE, free. |
---|
1204 | */ |
---|
1205 | void do_libmondo_global_strings_thing(int mal) |
---|
1206 | { |
---|
1207 | if (mal) { |
---|
1208 | iamhere("Malloc'ing globals"); |
---|
1209 | malloc_string(g_boot_mountpt); |
---|
1210 | malloc_string(g_tmpfs_mountpt); |
---|
1211 | malloc_string(g_erase_tmpdir_and_scratchdir); |
---|
1212 | malloc_string(g_serial_string); |
---|
1213 | malloc_string(g_magicdev_command); |
---|
1214 | } else { |
---|
1215 | iamhere("Freeing globals"); |
---|
1216 | mr_free(g_boot_mountpt); |
---|
1217 | mr_free(g_tmpfs_mountpt); |
---|
1218 | mr_free(g_erase_tmpdir_and_scratchdir); |
---|
1219 | mr_free(g_serial_string); |
---|
1220 | mr_free(g_magicdev_command); |
---|
1221 | } |
---|
1222 | } |
---|
1223 | |
---|
1224 | /** |
---|
1225 | * Allocate important globals. |
---|
1226 | * @see do_libmondo_global_strings_thing |
---|
1227 | */ |
---|
1228 | void malloc_libmondo_global_strings(void) |
---|
1229 | { |
---|
1230 | do_libmondo_global_strings_thing(1); |
---|
1231 | } |
---|
1232 | |
---|
1233 | /** |
---|
1234 | * Free important globals. |
---|
1235 | * @see do_libmondo_global_strings_thing |
---|
1236 | */ |
---|
1237 | void free_libmondo_global_strings(void) |
---|
1238 | { |
---|
1239 | do_libmondo_global_strings_thing(0); |
---|
1240 | } |
---|
1241 | |
---|
1242 | |
---|
1243 | |
---|
1244 | /** |
---|
1245 | * Stop @c magicdev if it's running. |
---|
1246 | * The command used to start it is saved in @p g_magicdev_command. |
---|
1247 | */ |
---|
1248 | void stop_magicdev_if_necessary() |
---|
1249 | { |
---|
1250 | strcpy(g_magicdev_command, |
---|
1251 | call_program_and_get_last_line_of_output |
---|
1252 | ("ps ax | grep -w magicdev | grep -v grep | tr -s '\t' ' '| cut -d' ' -f6-99")); |
---|
1253 | if (g_magicdev_command[0]) { |
---|
1254 | mr_msg(1, "g_magicdev_command = '%s'", g_magicdev_command); |
---|
1255 | paranoid_system("killall magicdev"); |
---|
1256 | } |
---|
1257 | } |
---|
1258 | |
---|
1259 | |
---|
1260 | /** |
---|
1261 | * Restart magicdev if it was stopped. |
---|
1262 | */ |
---|
1263 | void restart_magicdev_if_necessary() |
---|
1264 | { |
---|
1265 | char *tmp = NULL; |
---|
1266 | |
---|
1267 | if (g_magicdev_command && g_magicdev_command[0]) { |
---|
1268 | mr_asprintf(&tmp, "%s &", g_magicdev_command); |
---|
1269 | paranoid_system(tmp); |
---|
1270 | mr_free(tmp); |
---|
1271 | } |
---|
1272 | } |
---|
1273 | |
---|
1274 | /* @} - end of utilityGroup */ |
---|