1 | /* |
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2 | $Id: libmondo-tools.c 2194 2009-05-08 00:22:10Z bruno $ |
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3 | */ |
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4 | |
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5 | |
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6 | /** |
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7 | * @file |
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8 | * Miscellaneous tools that didn't really fit anywhere else. |
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9 | */ |
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10 | |
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11 | #include "my-stuff.h" |
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12 | #include "mondostructures.h" |
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13 | #include "lib-common-externs.h" |
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14 | #include "libmondo-tools.h" |
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15 | #include "libmondo-gui-EXT.h" |
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16 | #include "libmondo-files-EXT.h" |
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17 | #include "libmondo-fork-EXT.h" |
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18 | #include "libmondo-raid-EXT.h" |
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19 | #include "libmondo-devices-EXT.h" |
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20 | #include <sys/socket.h> |
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21 | #include <netdb.h> |
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22 | #include <stdlib.h> |
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23 | #include <netinet/in.h> |
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24 | #include <arpa/inet.h> |
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25 | #include <sys/utsname.h> |
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26 | |
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27 | /*@unused@*/ |
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28 | //static char cvsid[] = "$Id: libmondo-tools.c 2194 2009-05-08 00:22:10Z bruno $"; |
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29 | |
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30 | extern int g_tape_buffer_size_MB; |
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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 | extern char *MONDO_LOGFILE; |
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36 | |
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37 | /* Reference to global bkpinfo */ |
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38 | extern struct s_bkpinfo *bkpinfo; |
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39 | |
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40 | /** |
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41 | * @addtogroup globalGroup |
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42 | * @{ |
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43 | */ |
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44 | 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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45 | g_remount_floppy_at_end; ///< TRUE if we unmounted the floppy and should remount it when done with the backup. |
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46 | bool g_cd_recovery; ///< TRUE if we're making an "autonuke" backup. |
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47 | double g_kernel_version; |
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48 | |
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49 | /** |
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50 | * The place where /boot is mounted. |
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51 | */ |
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52 | char *g_boot_mountpt = NULL; |
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53 | |
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54 | /** |
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55 | * The location of Mondo's home directory. |
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56 | */ |
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57 | char *g_mondo_home = NULL; |
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58 | |
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59 | /** |
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60 | * The serial string (used to differentiate between backups) of the current backup. |
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61 | */ |
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62 | char *g_serial_string = NULL; |
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63 | |
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64 | /** |
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65 | * The location where tmpfs is mounted, or "" if it's not mounted. |
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66 | char *g_tmpfs_mountpt = NULL; |
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67 | */ |
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68 | char *g_magicdev_command = NULL; |
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69 | |
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70 | /** |
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71 | * The default maximum level to log messages at or below. |
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72 | */ |
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73 | int g_loglevel = DEFAULT_DEBUG_LEVEL; |
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74 | |
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75 | /* @} - end of globalGroup */ |
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76 | |
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77 | |
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78 | extern pid_t g_buffer_pid; |
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79 | extern pid_t g_main_pid; |
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80 | |
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81 | extern t_bkptype g_backup_media_type; |
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82 | |
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83 | extern bool am_I_in_disaster_recovery_mode(void); |
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84 | |
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85 | /* Return a string containing the date */ |
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86 | char *mr_date(void) { |
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87 | |
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88 | time_t tcurr; |
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89 | |
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90 | tcurr = time(NULL); |
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91 | return(ctime(&tcurr)); |
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92 | } |
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93 | |
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94 | /*-----------------------------------------------------------*/ |
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95 | |
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96 | |
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97 | /** |
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98 | * @addtogroup utilityGroup |
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99 | * @{ |
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100 | */ |
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101 | /** |
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102 | * Assertion handler. Prints a friendly message to the user, |
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103 | * offering to ignore all, dump core, break to debugger, |
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104 | * exit, or ignore. Intended to be used with an assert() macro. |
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105 | * |
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106 | * @param file The file in which the assertion triggered. |
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107 | * @param function The function (@c __FUNCTION__) in which the assertion triggered. |
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108 | * @param line The line number of the assert() statement. |
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109 | * @param exp The expression that failed (as a string). |
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110 | */ |
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111 | void _mondo_assert_fail(const char *file, |
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112 | const char *function, int line, const char *exp) |
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113 | { |
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114 | static int ignoring_assertions = 0; |
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115 | bool is_valid = TRUE; |
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116 | |
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117 | log_it("ASSERTION FAILED: `%s' at %s:%d in %s", exp, file, line, |
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118 | function); |
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119 | if (ignoring_assertions) { |
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120 | log_it("Well, the user doesn't care..."); |
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121 | return; |
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122 | } |
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123 | #ifndef _XWIN |
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124 | if (!g_text_mode) |
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125 | newtSuspend(); |
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126 | #endif |
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127 | printf("ASSERTION FAILED: `%s'\n", exp); |
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128 | printf("\tat %s:%d in %s\n\n", file, line, function); |
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129 | printf("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? "); |
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130 | do { |
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131 | is_valid = TRUE; |
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132 | switch (toupper(getchar())) { |
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133 | case 'A': // ignore (A)ll |
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134 | ignoring_assertions = 1; |
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135 | break; |
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136 | case 'B': // a(B)ort |
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137 | signal(SIGABRT, SIG_DFL); /* prevent SIGABRT handler from running */ |
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138 | raise(SIGABRT); |
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139 | break; /* "can't get here" */ |
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140 | case 'D': // (D)ebug, aka asm("int 3") |
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141 | #ifdef __IA32__ |
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142 | __asm__ __volatile__("int $3"); // break to debugger |
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143 | #endif |
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144 | break; |
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145 | case 'E': // (E)xit |
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146 | fatal_error("Failed assertion -- see above for details"); |
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147 | break; /* "can't get here" */ |
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148 | case 'I': // (I)gnore |
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149 | break; |
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150 | /* These next two work as follows: |
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151 | the `default' catches the user's invalid choice and says so; |
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152 | the '\n' catches the newline on the end and prints the prompt again. |
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153 | */ |
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154 | case '\n': |
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155 | printf |
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156 | ("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? "); |
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157 | break; |
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158 | default: |
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159 | is_valid = FALSE; |
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160 | printf("Invalid choice.\n"); |
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161 | break; |
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162 | } |
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163 | } while (!is_valid); |
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164 | |
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165 | if (ignoring_assertions) { |
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166 | log_it("Ignoring ALL assertions from now on."); |
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167 | } else { |
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168 | log_it("Ignoring assertion: %s", exp); |
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169 | } |
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170 | |
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171 | getchar(); // skip \n |
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172 | |
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173 | #ifndef _XWIN |
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174 | if (!g_text_mode) |
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175 | newtResume(); |
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176 | #endif |
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177 | } |
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178 | |
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179 | /** |
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180 | * Clean's up users' KDE desktops. |
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181 | * @bug Details about this function are unknown. |
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182 | */ |
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183 | void clean_up_KDE_desktop_if_necessary(void) |
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184 | { |
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185 | char *tmp; |
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186 | |
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187 | malloc_string(tmp); |
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188 | strcpy(tmp, |
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189 | "for i in `find /root /home -type d -name Desktop -maxdepth 2`; do \ |
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190 | file=$i/.directory; if [ -f \"$file\" ] ; then mv -f $file $file.old ; \ |
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191 | awk '{if (index($0, \"rootimagesmindi\")) { while (length($0)>2) { getline;} ; } \ |
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192 | else { print $0;};}' $file.old > $file ; fi ; done"); |
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193 | run_program_and_log_output(tmp, 5); |
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194 | paranoid_free(tmp); |
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195 | } |
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196 | |
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197 | |
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198 | /** |
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199 | * Locate mondoarchive's home directory. Searches in /usr/local/mondo, /usr/share/mondo, |
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200 | * /usr/local/share/mondo, /opt, or if all else fails, search /usr. |
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201 | * |
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202 | * @param home_sz String to store the home directory ("" if it could not be found). |
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203 | * @return 0 for success, nonzero for failure. |
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204 | */ |
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205 | int find_and_store_mondoarchives_home(char *home_sz) |
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206 | { |
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207 | assert(home_sz != NULL); |
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208 | strcpy(home_sz, MONDO_SHARE); |
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209 | return (0); |
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210 | } |
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211 | |
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212 | |
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213 | char *get_architecture(void) { |
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214 | #ifdef __IA32__ |
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215 | # ifdef __X86_64__ |
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216 | return ("x86_64"); |
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217 | # else |
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218 | return ("i386"); |
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219 | # endif |
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220 | #endif |
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221 | #ifdef __IA64__ |
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222 | return ("ia64"); |
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223 | #endif |
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224 | return ("unknown"); |
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225 | } |
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226 | |
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227 | |
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228 | char *get_uname_m(void) { |
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229 | |
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230 | struct utsname utsn; |
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231 | char *tmp = NULL; |
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232 | |
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233 | uname(&utsn); |
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234 | asprintf(&tmp, "%s", utsn.machine); |
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235 | return (tmp); |
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236 | } |
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237 | |
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238 | |
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239 | |
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240 | double get_kernel_version(void) |
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241 | { |
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242 | char *p, tmp[200]; |
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243 | double d; |
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244 | #ifdef __FreeBSD__ |
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245 | // JOSH - FIXME :) |
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246 | d = 5.2; // :-) |
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247 | #else |
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248 | strcpy(tmp, call_program_and_get_last_line_of_output("uname -r")); |
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249 | p = strchr(tmp, '.'); |
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250 | if (p) { |
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251 | p = strchr(++p, '.'); |
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252 | if (p) { |
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253 | while (*p) { |
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254 | *p = *(p + 1); |
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255 | p++; |
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256 | } |
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257 | } |
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258 | } |
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259 | // log_msg(1, "tmp = '%s'", tmp); |
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260 | d = atof(tmp); |
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261 | #endif |
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262 | log_msg(1, "g_kernel_version = %f", d); |
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263 | return (d); |
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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 | * Get the current time. |
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272 | * @return number of seconds since the epoch. |
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273 | */ |
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274 | long get_time() |
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275 | { |
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276 | return (long) time((void *) 0); |
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277 | } |
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278 | |
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279 | |
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280 | |
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281 | |
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282 | |
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283 | |
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284 | |
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285 | /** |
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286 | * Initialize a RAID volume structure, setting fields to zero. The |
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287 | * actual hard drive is unaffected. |
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288 | * |
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289 | * @param raidrec The RAID volume structure to initialize. |
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290 | * @note This function is system dependent. |
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291 | */ |
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292 | #ifdef __FreeBSD__ |
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293 | void initialize_raidrec(struct vinum_volume *raidrec) |
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294 | { |
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295 | int i, j; |
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296 | raidrec->volname[0] = '\0'; |
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297 | raidrec->plexes = 0; |
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298 | for (i = 0; i < 9; ++i) { |
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299 | raidrec->plex[i].raidlevel = -1; |
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300 | raidrec->plex[i].stripesize = 0; |
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301 | raidrec->plex[i].subdisks = 0; |
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302 | for (j = 0; j < 9; ++j) { |
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303 | strcpy(raidrec->plex[i].sd[j].which_device, ""); |
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304 | } |
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305 | } |
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306 | } |
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307 | #else |
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308 | void initialize_raidrec(struct raid_device_record *raidrec) |
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309 | { |
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310 | assert(raidrec != NULL); |
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311 | raidrec->raid_device[0] = '\0'; |
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312 | raidrec->raid_level = -9; |
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313 | raidrec->persistent_superblock = 1; |
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314 | raidrec->chunk_size = 64; |
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315 | raidrec->parity = -1; |
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316 | raidrec->data_disks.entries = 0; |
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317 | raidrec->spare_disks.entries = 0; |
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318 | raidrec->parity_disks.entries = 0; |
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319 | raidrec->failed_disks.entries = 0; |
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320 | raidrec->additional_vars.entries = 0; |
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321 | } |
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322 | #endif |
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323 | |
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324 | |
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325 | |
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326 | |
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327 | /** |
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328 | * Insert modules that Mondo requires. |
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329 | * Currently inserts @c msdos, @c vfat, and @c loop for Linux; |
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330 | * @c msdosfs and @c ext2fs for FreeBSD. |
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331 | */ |
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332 | void insmod_crucial_modules(void) |
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333 | { |
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334 | #ifdef __FreeBSD__ |
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335 | system("kldstat | grep msdosfs || kldload msdosfs 2> /dev/null"); |
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336 | system("kldstat | grep ext2fs || kldload ext2fs 2> /dev/null"); |
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337 | #else |
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338 | system("modprobe -a msdos vfat loop &> /dev/null"); |
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339 | #endif |
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340 | } |
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341 | |
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342 | |
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343 | /** |
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344 | * Log a trace message to the trace file. |
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345 | * @bug This function seems orphaned. Please remove. |
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346 | */ |
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347 | void log_trace(char *o) |
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348 | { |
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349 | /*@ pointers **************************************************** */ |
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350 | FILE *fout; |
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351 | |
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352 | /*@ buffers ***************************************************** */ |
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353 | char output[MAX_STR_LEN]; |
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354 | |
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355 | /*@ int ****************************************************** */ |
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356 | int i; |
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357 | |
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358 | /*@ end vars *************************************************** */ |
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359 | |
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360 | if (o[0] == '\0') { |
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361 | return; |
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362 | } |
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363 | strcpy(output, o); |
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364 | i = (int) strlen(output); |
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365 | if (i <= 0) { |
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366 | return; |
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367 | } |
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368 | if (output[i - 1] < 32) { |
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369 | output[i - 1] = '\0'; |
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370 | } |
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371 | if (g_text_mode |
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372 | /* && !strstr(last_line_of_file(MONDO_LOGFILE),output) */ ) { |
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373 | printf("%s\n", output); |
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374 | } |
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375 | |
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376 | fout = fopen(MONDO_TRACEFILE, "a"); |
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377 | if (fout) { |
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378 | fprintf(fout, "%s\n", output); |
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379 | paranoid_fclose(fout); |
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380 | } else { |
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381 | log_OS_error("Cannot write to tracefile"); |
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382 | } |
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383 | } |
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384 | |
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385 | |
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386 | |
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387 | |
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388 | |
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389 | /** |
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390 | * Finish configuring the backup information structure. Call this function |
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391 | * to set the parameters that depend on those that can be given on the command |
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392 | * line. |
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393 | * |
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394 | * @param bkpinfo The backup information structure. Fields modified/used: |
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395 | * - Used: @c bkpinfo->backup_data |
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396 | * - Used: @c bkpinfo->backup_media_type |
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397 | * - Used: @c bkpinfo->cdrw_speed |
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398 | * - Used: @c bkpinfo->compression_level |
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399 | * - Used: @c bkpinfo->include_paths |
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400 | * - Used: @c bkpinfo->prefix |
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401 | * - Used: @c bkpinfo->isodir |
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402 | * - Used: @c bkpinfo->manual_cd_tray |
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403 | * - Used: @c bkpinfo->make_cd_use_lilo |
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404 | * - Used: @c bkpinfo->media_device |
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405 | * - Used: @c bkpinfo->nfs_mount |
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406 | * - Used: @c bkpinfo->nonbootable_backup |
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407 | * - Used: @c bkpinfo->scratchdir |
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408 | * - Used: @c bkpinfo->tmpdir |
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409 | * - Used: @c bkpinfo->use_lzo |
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410 | * - Modified: @c bkpinfo->call_before_iso |
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411 | * - Modified: @c bkpinfo->call_make_iso |
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412 | * - Modified: @c bkpinfo->optimal_set_size |
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413 | * - Modified: @c bkpinfo->zip_exe |
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414 | * - Modified: @c bkpinfo->zip_suffix |
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415 | * |
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416 | * @return number of errors, or 0 for success. |
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417 | * @note Also creates directories that are specified in the @c bkpinfo structure but |
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418 | * do not exist. |
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419 | */ |
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420 | int post_param_configuration() |
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421 | { |
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422 | char *extra_cdrom_params; |
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423 | char *mondo_mkisofs_sz; |
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424 | char *command; |
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425 | char *mtpt; |
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426 | char *hostname, *ip_address; |
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427 | int retval = 0; |
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428 | char *colon; |
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429 | char *cdr_exe; |
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430 | char *tmp; |
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431 | char call_before_iso_user[MAX_STR_LEN] = "\0"; |
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432 | /* |
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433 | long avm = 0; |
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434 | int rdsiz_MB; |
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435 | */ |
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436 | char *iso_dev; |
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437 | char *iso_mnt; |
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438 | char *iso_tmp; |
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439 | char *iso_path; |
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440 | |
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441 | assert(bkpinfo != NULL); |
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442 | malloc_string(extra_cdrom_params); |
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443 | malloc_string(mondo_mkisofs_sz); |
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444 | malloc_string(command); |
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445 | malloc_string(mtpt); |
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446 | malloc_string(hostname); |
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447 | malloc_string(ip_address); |
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448 | malloc_string(cdr_exe); |
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449 | malloc_string(tmp); |
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450 | malloc_string(iso_dev); |
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451 | malloc_string(iso_mnt); |
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452 | malloc_string(iso_tmp); |
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453 | malloc_string(iso_path); |
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454 | bkpinfo->optimal_set_size = |
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455 | (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type) ? 16 : 16) * |
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456 | 1024; |
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457 | |
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458 | log_msg(1, "Foo"); |
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459 | if (bkpinfo->backup_media_type == tape) { |
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460 | log_msg(1, "Bar"); |
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461 | sprintf(tmp, "mt -f %s status", bkpinfo->media_device); |
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462 | log_msg(1, "tmp = '%s'", tmp); |
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463 | if (run_program_and_log_output(tmp, 3)) { |
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464 | fatal_error |
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465 | ("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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466 | } |
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467 | } |
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468 | make_hole_for_dir(bkpinfo->scratchdir); |
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469 | if (bkpinfo->backup_media_type == iso) |
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470 | make_hole_for_dir(bkpinfo->isodir); |
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471 | |
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472 | run_program_and_log_output("uname -a", 5); |
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473 | run_program_and_log_output("cat /etc/*-release", 5); |
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474 | run_program_and_log_output("cat /etc/*issue*", 5); |
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475 | #ifdef __FreeBSD__ |
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476 | #else |
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477 | run_program_and_log_output("cat /proc/cpuinfo", 5); |
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478 | run_program_and_log_output |
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479 | ("rpm -q newt newt-devel slang slang-devel ncurses ncurses-devel gcc", |
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480 | 5); |
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481 | #endif |
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482 | |
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483 | if (bkpinfo->use_lzo) { |
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484 | strcpy(bkpinfo->zip_exe, "lzop"); |
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485 | strcpy(bkpinfo->zip_suffix, "lzo"); |
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486 | } else if (bkpinfo->use_gzip) { |
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487 | strcpy(bkpinfo->zip_exe, "gzip"); |
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488 | strcpy(bkpinfo->zip_suffix, "gz"); |
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489 | } else if (bkpinfo->compression_level != 0) { |
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490 | strcpy(bkpinfo->zip_exe, "bzip2"); |
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491 | strcpy(bkpinfo->zip_suffix, "bz2"); |
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492 | } else { |
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493 | bkpinfo->zip_exe[0] = bkpinfo->zip_suffix[0] = '\0'; |
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494 | } |
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495 | |
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496 | // DVD |
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497 | |
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498 | if (bkpinfo->backup_media_type == dvd) { |
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499 | extra_cdrom_params[0] = '\0'; |
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500 | mondo_mkisofs_sz[0] = '\0'; |
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501 | if (find_home_of_exe("growisofs")) { |
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502 | strcpy(cdr_exe, "growisofs"); |
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503 | } // unlikely to be used |
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504 | else { |
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505 | fatal_error("Please install growisofs."); |
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506 | } |
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507 | if (bkpinfo->nonbootable_backup) { |
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508 | strcat(mondo_mkisofs_sz, MONDO_GROWISOFS_NONBOOT); |
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509 | } else if |
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510 | #ifdef __FreeBSD__ |
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511 | (TRUE) |
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512 | #else |
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513 | (bkpinfo->make_cd_use_lilo) |
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514 | #endif |
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515 | #ifdef __IA64__ |
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516 | { |
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517 | strcat(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_ELILO); |
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518 | } |
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519 | #else |
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520 | { |
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521 | strcat(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_LILO); |
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522 | } |
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523 | #endif |
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524 | else |
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525 | { |
---|
526 | strcat(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_SYSLINUX); |
---|
527 | } |
---|
528 | if (bkpinfo->manual_cd_tray) { |
---|
529 | fatal_error("Manual CD tray + DVD not supported yet."); |
---|
530 | // -m isn't supported by growisofs, BTW... |
---|
531 | } else { |
---|
532 | sprintf(bkpinfo->call_make_iso, |
---|
533 | "%s %s -Z %s . 2>> _ERR_", |
---|
534 | mondo_mkisofs_sz, |
---|
535 | extra_cdrom_params, bkpinfo->media_device); |
---|
536 | } |
---|
537 | if (getenv ("SUDO_COMMAND")) { |
---|
538 | sprintf(command, "strings `which growisofs` | grep -c SUDO_COMMAND"); |
---|
539 | if (!strcmp(call_program_and_get_last_line_of_output(command), "1")) { |
---|
540 | popup_and_OK("Fatal Error: Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details."); |
---|
541 | fatal_error("Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details."); |
---|
542 | } |
---|
543 | } |
---|
544 | log_msg(2, "call_make_iso (DVD res) is ... %s", |
---|
545 | bkpinfo->call_make_iso); |
---|
546 | } // end of DVD code |
---|
547 | |
---|
548 | // CD-R or CD-RW |
---|
549 | if (bkpinfo->backup_media_type == cdrw |
---|
550 | || bkpinfo->backup_media_type == cdr) { |
---|
551 | extra_cdrom_params[0] = '\0'; |
---|
552 | if (!bkpinfo->manual_cd_tray) { |
---|
553 | strcat(extra_cdrom_params, "-waiti "); |
---|
554 | } |
---|
555 | if (bkpinfo->backup_media_type == cdrw) { |
---|
556 | strcat(extra_cdrom_params, "blank=fast "); |
---|
557 | } |
---|
558 | if (find_home_of_exe("cdrecord")) { |
---|
559 | strcpy(cdr_exe, "cdrecord"); |
---|
560 | } else if (find_home_of_exe("dvdrecord")) { |
---|
561 | strcpy(cdr_exe, "dvdrecord"); |
---|
562 | } else { |
---|
563 | fatal_error("Please install either cdrecord or dvdrecord."); |
---|
564 | } |
---|
565 | if (bkpinfo->nonbootable_backup) { |
---|
566 | strcpy(mondo_mkisofs_sz, MONDO_MKISOFS_NONBOOT); |
---|
567 | } else if |
---|
568 | #ifdef __FreeBSD__ |
---|
569 | (TRUE) |
---|
570 | #else |
---|
571 | (bkpinfo->make_cd_use_lilo) |
---|
572 | #endif |
---|
573 | #ifdef __IA64__ |
---|
574 | { |
---|
575 | strcat(mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_ELILO); |
---|
576 | } |
---|
577 | #else |
---|
578 | { |
---|
579 | strcpy(mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_LILO); |
---|
580 | } |
---|
581 | #endif |
---|
582 | else |
---|
583 | { |
---|
584 | strcpy(mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_SYSLINUX); |
---|
585 | } |
---|
586 | if (bkpinfo->manual_cd_tray) { |
---|
587 | if (bkpinfo->call_before_iso[0] == '\0') { |
---|
588 | sprintf(bkpinfo->call_before_iso, |
---|
589 | "%s -o %s/"MONDO_TMPISOS" . 2>> _ERR_", |
---|
590 | mondo_mkisofs_sz, bkpinfo->tmpdir); |
---|
591 | } else { |
---|
592 | strncpy(call_before_iso_user, bkpinfo->call_before_iso, MAX_STR_LEN); |
---|
593 | sprintf (bkpinfo->call_before_iso, |
---|
594 | "( %s -o %s/"MONDO_TMPISOS" . 2>> _ERR_ ; %s )", |
---|
595 | mondo_mkisofs_sz, bkpinfo->tmpdir, call_before_iso_user); |
---|
596 | } |
---|
597 | log_it("bkpinfo->call_before_iso = %s", bkpinfo->call_before_iso); |
---|
598 | sprintf(bkpinfo->call_make_iso, |
---|
599 | "%s %s -v %s fs=4m dev=%s speed=%d %s/"MONDO_TMPISOS, |
---|
600 | cdr_exe, (bkpinfo->please_dont_eject) ? " " : "-eject", |
---|
601 | extra_cdrom_params, bkpinfo->media_device, |
---|
602 | bkpinfo->cdrw_speed, bkpinfo->tmpdir); |
---|
603 | } else { |
---|
604 | sprintf(bkpinfo->call_make_iso, |
---|
605 | "%s . 2>> _ERR_ | %s %s %s fs=4m dev=%s speed=%d -", |
---|
606 | mondo_mkisofs_sz, cdr_exe, |
---|
607 | (bkpinfo->please_dont_eject) ? " " : "-eject", |
---|
608 | extra_cdrom_params, bkpinfo->media_device, |
---|
609 | bkpinfo->cdrw_speed); |
---|
610 | } |
---|
611 | } // end of CD code |
---|
612 | |
---|
613 | /* |
---|
614 | if (bkpinfo->backup_data && bkpinfo->backup_media_type == tape) |
---|
615 | { |
---|
616 | sprintf (tmp, |
---|
617 | "dd if=/dev/zero of=%s bs=%ld count=32 2> /dev/null", |
---|
618 | bkpinfo->media_device, bkpinfo->internal_tape_block_size); |
---|
619 | if (system(tmp)) |
---|
620 | { |
---|
621 | retval++; |
---|
622 | fprintf (stderr, |
---|
623 | "Cannot write to tape device. Is the tape set read-only?\n"); |
---|
624 | } |
---|
625 | } // end of tape code |
---|
626 | */ |
---|
627 | |
---|
628 | |
---|
629 | if (bkpinfo->backup_media_type == iso) { |
---|
630 | |
---|
631 | /* Patch by Conor Daly <conor.daly@met.ie> |
---|
632 | * 23-june-2004 |
---|
633 | * Break up isodir into iso_mnt and iso_path |
---|
634 | * These will be used along with iso-dev at restore time |
---|
635 | * to locate the ISOs where ever they're mounted |
---|
636 | */ |
---|
637 | |
---|
638 | log_it("isodir = %s", bkpinfo->isodir); |
---|
639 | sprintf(command, "df -P %s | tail -n1 | cut -d' ' -f1", |
---|
640 | bkpinfo->isodir); |
---|
641 | log_it("command = %s", command); |
---|
642 | log_it("res of it = %s", |
---|
643 | call_program_and_get_last_line_of_output(command)); |
---|
644 | sprintf(iso_dev, "%s", |
---|
645 | call_program_and_get_last_line_of_output(command)); |
---|
646 | sprintf(tmp, "%s/ISO-DEV", bkpinfo->tmpdir); |
---|
647 | write_one_liner_data_file(tmp, |
---|
648 | call_program_and_get_last_line_of_output |
---|
649 | (command)); |
---|
650 | |
---|
651 | sprintf(command, "mount | grep -w %s | tail -n1 | cut -d' ' -f3", |
---|
652 | iso_dev); |
---|
653 | log_it("command = %s", command); |
---|
654 | log_it("res of it = %s", |
---|
655 | call_program_and_get_last_line_of_output(command)); |
---|
656 | sprintf(iso_mnt, "%s", |
---|
657 | call_program_and_get_last_line_of_output(command)); |
---|
658 | sprintf(tmp, "%s/ISO-MNT", bkpinfo->tmpdir); |
---|
659 | write_one_liner_data_file(tmp, |
---|
660 | call_program_and_get_last_line_of_output |
---|
661 | (command)); |
---|
662 | log_it("isomnt: %s, %d", iso_mnt, strlen(iso_mnt)); |
---|
663 | sprintf(iso_tmp, "%s", bkpinfo->isodir); |
---|
664 | if (strlen(iso_tmp) < strlen(iso_mnt)) { |
---|
665 | iso_path[0] = '\0'; |
---|
666 | } else { |
---|
667 | sprintf(iso_path, "%s", iso_tmp + strlen(iso_mnt)); |
---|
668 | } |
---|
669 | sprintf(tmp, "%s/ISODIR", bkpinfo->tmpdir); |
---|
670 | write_one_liner_data_file(tmp, iso_path); |
---|
671 | log_it("isodir: %s", iso_path); |
---|
672 | sprintf(tmp, "%s/ISO-PREFIX", bkpinfo->tmpdir); |
---|
673 | write_one_liner_data_file(tmp, bkpinfo->prefix); |
---|
674 | log_it("iso-prefix: %s", bkpinfo->prefix); |
---|
675 | |
---|
676 | /* End patch */ |
---|
677 | } // end of iso code |
---|
678 | |
---|
679 | if (bkpinfo->backup_media_type == nfs) { |
---|
680 | strcpy(hostname, bkpinfo->nfs_mount); |
---|
681 | colon = strchr(hostname, ':'); |
---|
682 | if (!colon) { |
---|
683 | log_it("nfs mount doesn't have a colon in it"); |
---|
684 | retval++; |
---|
685 | } else { |
---|
686 | struct hostent *hent; |
---|
687 | |
---|
688 | *colon = '\0'; |
---|
689 | hent = gethostbyname(hostname); |
---|
690 | if (!hent) { |
---|
691 | log_it("Can't resolve NFS mount (%s): %s", hostname, |
---|
692 | hstrerror(h_errno)); |
---|
693 | retval++; |
---|
694 | } else { |
---|
695 | strcpy(ip_address, inet_ntoa |
---|
696 | ((struct in_addr) |
---|
697 | *((struct in_addr *) hent->h_addr))); |
---|
698 | strcat(ip_address, strchr(bkpinfo->nfs_mount, ':')); |
---|
699 | strcpy(bkpinfo->nfs_mount, ip_address); |
---|
700 | } |
---|
701 | } |
---|
702 | store_nfs_config(); |
---|
703 | } |
---|
704 | |
---|
705 | log_it("Finished processing incoming params"); |
---|
706 | if (retval) { |
---|
707 | fprintf(stderr, "Type 'man mondoarchive' for help.\n"); |
---|
708 | } |
---|
709 | if (strlen(bkpinfo->tmpdir) < 2 || strlen(bkpinfo->scratchdir) < 2) { |
---|
710 | log_it("tmpdir or scratchdir are blank/missing"); |
---|
711 | retval++; |
---|
712 | } |
---|
713 | if (bkpinfo->include_paths[0] == '\0') { |
---|
714 | // fatal_error ("Why no backup path?"); |
---|
715 | strcpy(bkpinfo->include_paths, "/"); |
---|
716 | } |
---|
717 | chmod(bkpinfo->scratchdir, 0700); |
---|
718 | g_backup_media_type = bkpinfo->backup_media_type; |
---|
719 | paranoid_free(mtpt); |
---|
720 | paranoid_free(extra_cdrom_params); |
---|
721 | paranoid_free(mondo_mkisofs_sz); |
---|
722 | paranoid_free(command); |
---|
723 | paranoid_free(hostname); |
---|
724 | paranoid_free(ip_address); |
---|
725 | paranoid_free(cdr_exe); |
---|
726 | paranoid_free(tmp); |
---|
727 | paranoid_free(iso_dev); |
---|
728 | paranoid_free(iso_mnt); |
---|
729 | paranoid_free(iso_tmp); |
---|
730 | paranoid_free(iso_path); |
---|
731 | return (retval); |
---|
732 | } |
---|
733 | |
---|
734 | |
---|
735 | |
---|
736 | /** |
---|
737 | * Do some miscellaneous setup tasks to be performed before filling @c bkpinfo. |
---|
738 | * Seeds the random-number generator, loads important modules, checks the sanity |
---|
739 | * of the user's Linux distribution, and deletes logfile. |
---|
740 | * @param bkpinfo The backup information structure. Will be initialized. |
---|
741 | * @return number of errors (0 for success) |
---|
742 | */ |
---|
743 | int pre_param_configuration() |
---|
744 | { |
---|
745 | int res = 0; |
---|
746 | char *tmp = NULL; |
---|
747 | |
---|
748 | make_hole_for_dir(MNT_CDROM); |
---|
749 | assert(bkpinfo != NULL); |
---|
750 | srandom((unsigned long) (time(NULL))); |
---|
751 | insmod_crucial_modules(); |
---|
752 | if (bkpinfo->disaster_recovery) { |
---|
753 | if (!does_nonMS_partition_exist()) { |
---|
754 | fatal_error |
---|
755 | ("I am in disaster recovery mode\nPlease don't run mondoarchive."); |
---|
756 | } |
---|
757 | } |
---|
758 | |
---|
759 | unlink(MONDO_TRACEFILE); |
---|
760 | asprintf(&tmp,"rm -Rf %s/changed.files*",MONDO_CACHE); |
---|
761 | run_program_and_log_output(tmp, FALSE); |
---|
762 | paranoid_free(tmp); |
---|
763 | if (find_and_store_mondoarchives_home(g_mondo_home)) { |
---|
764 | fprintf(stderr, |
---|
765 | "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"); |
---|
766 | res++; |
---|
767 | return (res); |
---|
768 | } |
---|
769 | res += some_basic_system_sanity_checks(); |
---|
770 | if (res) { |
---|
771 | log_it("Your distribution did not pass Mondo's sanity test."); |
---|
772 | } |
---|
773 | g_current_media_number = 1; |
---|
774 | bkpinfo->postnuke_tarball[0] = bkpinfo->nfs_mount[0] = '\0'; |
---|
775 | return (res); |
---|
776 | } |
---|
777 | |
---|
778 | void setup_tmpdir(char *path) { |
---|
779 | |
---|
780 | char *tmp = NULL; |
---|
781 | char *p = NULL; |
---|
782 | |
---|
783 | if ((bkpinfo->tmpdir != NULL) && (strstr(bkpinfo->tmpdir,"mondo.tmp.") != NULL)) { |
---|
784 | /* purging a potential old tmpdir */ |
---|
785 | asprintf(&tmp,"rm -Rf %s",bkpinfo->tmpdir); |
---|
786 | system(tmp); |
---|
787 | paranoid_free(tmp); |
---|
788 | } |
---|
789 | |
---|
790 | if (path != NULL) { |
---|
791 | asprintf(&tmp, "%s/mondo.tmp.XXXXXX", path); |
---|
792 | } else if (getenv("TMPDIR")) { |
---|
793 | asprintf(&tmp, "%s/mondo.tmp.XXXXXX", getenv("TMPDIR")); |
---|
794 | } else if (getenv("TMP")) { |
---|
795 | asprintf(&tmp, "%s/mondo.tmp.XXXXXX", getenv("TMP")); |
---|
796 | } else { |
---|
797 | asprintf(&tmp, "/tmp/mondo.tmp.XXXXXX"); |
---|
798 | } |
---|
799 | p = mkdtemp(tmp); |
---|
800 | if (p == NULL) { |
---|
801 | log_it("Failed to create global tmp directory %s for Mondo.",tmp); |
---|
802 | finish(-1); |
---|
803 | } |
---|
804 | strcpy(bkpinfo->tmpdir,p); |
---|
805 | paranoid_free(tmp); |
---|
806 | } |
---|
807 | |
---|
808 | |
---|
809 | /** |
---|
810 | * Reset all fields of the backup information structure to a sensible default. |
---|
811 | * @param bkpinfo The @c bkpinfo to reset. |
---|
812 | */ |
---|
813 | void reset_bkpinfo() |
---|
814 | { |
---|
815 | int i; |
---|
816 | |
---|
817 | log_msg(1, "Hi"); |
---|
818 | assert(bkpinfo != NULL); |
---|
819 | memset((void *) bkpinfo, 0, sizeof(struct s_bkpinfo)); |
---|
820 | |
---|
821 | bkpinfo->media_device[0] = '\0'; |
---|
822 | for (i = 0; i <= MAX_NOOF_MEDIA; i++) { |
---|
823 | bkpinfo->media_size[i] = -1; |
---|
824 | } |
---|
825 | bkpinfo->boot_loader = '\0'; |
---|
826 | bkpinfo->boot_device[0] = '\0'; |
---|
827 | bkpinfo->zip_exe[0] = '\0'; |
---|
828 | bkpinfo->zip_suffix[0] = '\0'; |
---|
829 | bkpinfo->image_devs[0] = '\0'; |
---|
830 | bkpinfo->compression_level = 3; |
---|
831 | bkpinfo->use_lzo = FALSE; |
---|
832 | bkpinfo->use_gzip = FALSE; |
---|
833 | bkpinfo->do_not_compress_these[0] = '\0'; |
---|
834 | bkpinfo->verify_data = FALSE; |
---|
835 | bkpinfo->backup_data = FALSE; |
---|
836 | bkpinfo->restore_data = FALSE; |
---|
837 | bkpinfo->use_star = FALSE; |
---|
838 | bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE; |
---|
839 | bkpinfo->disaster_recovery = |
---|
840 | (am_I_in_disaster_recovery_mode()? TRUE : FALSE); |
---|
841 | if (bkpinfo->disaster_recovery) { |
---|
842 | strcpy(bkpinfo->isodir, "/"); |
---|
843 | } else { |
---|
844 | strcpy(bkpinfo->isodir, MONDO_CACHE); |
---|
845 | } |
---|
846 | strcpy(bkpinfo->prefix, STD_PREFIX); |
---|
847 | sensibly_set_tmpdir_and_scratchdir(); |
---|
848 | |
---|
849 | bkpinfo->optimal_set_size = 0; |
---|
850 | strcpy(bkpinfo->include_paths, "/"); |
---|
851 | bkpinfo->make_filelist = TRUE; // unless -J supplied to mondoarchive |
---|
852 | bkpinfo->include_paths[0] = '\0'; |
---|
853 | bkpinfo->exclude_paths[0] = '\0'; |
---|
854 | bkpinfo->restore_path[0] = '\0'; |
---|
855 | bkpinfo->call_before_iso[0] = '\0'; |
---|
856 | bkpinfo->call_make_iso[0] = '\0'; |
---|
857 | bkpinfo->call_burn_iso[0] = '\0'; |
---|
858 | bkpinfo->call_after_iso[0] = '\0'; |
---|
859 | bkpinfo->kernel_path[0] = '\0'; |
---|
860 | bkpinfo->nfs_mount[0] = '\0'; |
---|
861 | bkpinfo->nfs_remote_dir[0] = '\0'; |
---|
862 | bkpinfo->postnuke_tarball[0] = '\0'; |
---|
863 | bkpinfo->wipe_media_first = FALSE; |
---|
864 | bkpinfo->differential = 0; |
---|
865 | bkpinfo->please_dont_eject = FALSE; |
---|
866 | bkpinfo->cdrw_speed = 0; |
---|
867 | bkpinfo->manual_cd_tray = FALSE; |
---|
868 | bkpinfo->nonbootable_backup = FALSE; |
---|
869 | bkpinfo->make_cd_use_lilo = FALSE; |
---|
870 | bkpinfo->use_obdr = FALSE; |
---|
871 | bkpinfo->restore_mode = interactive; |
---|
872 | } |
---|
873 | |
---|
874 | |
---|
875 | |
---|
876 | |
---|
877 | /** |
---|
878 | * Get the remaining free space (in MB) on @p partition. |
---|
879 | * @param partition The partition to check free space on (either a device or a mountpoint). |
---|
880 | * @return The free space on @p partition, in MB. |
---|
881 | */ |
---|
882 | long free_space_on_given_partition(char *partition) |
---|
883 | { |
---|
884 | char command[MAX_STR_LEN], out_sz[MAX_STR_LEN]; |
---|
885 | long res; |
---|
886 | |
---|
887 | assert_string_is_neither_NULL_nor_zerolength(partition); |
---|
888 | |
---|
889 | sprintf(command, "df -m -P %s 1> /dev/null 2> /dev/null", partition); |
---|
890 | if (system(command)) { |
---|
891 | return (-1); |
---|
892 | } // partition does not exist |
---|
893 | sprintf(command, "df -m -P %s | tail -n1 | tr -s ' ' '\t' | cut -f4", |
---|
894 | partition); |
---|
895 | strcpy(out_sz, call_program_and_get_last_line_of_output(command)); |
---|
896 | if (strlen(out_sz) == 0) { |
---|
897 | return (-1); |
---|
898 | } // error within df, probably |
---|
899 | res = atol(out_sz); |
---|
900 | return (res); |
---|
901 | } |
---|
902 | |
---|
903 | |
---|
904 | |
---|
905 | /** |
---|
906 | * Check the user's system for sanity. Checks performed: |
---|
907 | * - make sure user has enough RAM (32mb required, 64mb recommended) |
---|
908 | * - make sure user has enough free space in @c / |
---|
909 | * - check kernel for ramdisk support |
---|
910 | * - make sure afio, cdrecord, mkisofs, bzip2, awk, md5sum, strings, mindi, and buffer exist |
---|
911 | * - make sure CD-ROM is unmounted |
---|
912 | * - make sure user's mountlist is OK by running <tt>mindi --makemountlist</tt> |
---|
913 | * |
---|
914 | * @return number of problems with the user's setup (0 for success) |
---|
915 | */ |
---|
916 | int some_basic_system_sanity_checks() |
---|
917 | { |
---|
918 | |
---|
919 | /*@ buffers ************ */ |
---|
920 | char tmp[MAX_STR_LEN]; |
---|
921 | // char command[MAX_STR_LEN]; |
---|
922 | |
---|
923 | /*@ int's *************** */ |
---|
924 | int retval = 0; |
---|
925 | |
---|
926 | mvaddstr_and_log_it(g_currentY, 0, |
---|
927 | "Checking sanity of your Linux distribution"); |
---|
928 | #ifndef __FreeBSD__ |
---|
929 | if (system("which mkfs.vfat 2> /dev/null 1> /dev/null") |
---|
930 | && !system("which mkfs.msdos 2> /dev/null 1> /dev/null")) { |
---|
931 | log_it |
---|
932 | ("OK, you've got mkfs.msdos but not mkfs.vfat; time for the fairy to wave her magic wand..."); |
---|
933 | run_program_and_log_output |
---|
934 | ("ln -sf `which mkfs.msdos` /sbin/mkfs.vfat", FALSE); |
---|
935 | } |
---|
936 | strcpy(tmp, |
---|
937 | call_program_and_get_last_line_of_output |
---|
938 | ("free | grep Mem | head -n1 | tr -s ' ' '\t' | cut -f2")); |
---|
939 | if (atol(tmp) < 35000) { |
---|
940 | retval++; |
---|
941 | log_to_screen("You must have at least 32MB of RAM to use Mondo."); |
---|
942 | } |
---|
943 | if (atol(tmp) < 66000) { |
---|
944 | log_to_screen |
---|
945 | ("WARNING! You have very little RAM. Please upgrade to 64MB or more."); |
---|
946 | } |
---|
947 | #endif |
---|
948 | |
---|
949 | if (system("which " MKE2FS_OR_NEWFS " > /dev/null 2> /dev/null")) { |
---|
950 | retval++; |
---|
951 | log_to_screen |
---|
952 | ("Unable to find " MKE2FS_OR_NEWFS " in system path."); |
---|
953 | fatal_error |
---|
954 | ("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. :)"); |
---|
955 | } |
---|
956 | #ifndef __FreeBSD__ |
---|
957 | if (run_program_and_log_output |
---|
958 | ("grep ramdisk /proc/devices", FALSE)) { |
---|
959 | /* Some SuSE have ramdisk as modules, so insert it first, then test again */ |
---|
960 | run_program_and_log_output("modprobe brd 2> /dev/null > /dev/null"); |
---|
961 | if (run_program_and_log_output |
---|
962 | ("grep ramdisk /proc/devices", FALSE)) { |
---|
963 | if (!ask_me_yes_or_no |
---|
964 | ("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?")) |
---|
965 | { |
---|
966 | // retval++; |
---|
967 | log_to_screen |
---|
968 | ("It looks as if your kernel lacks ramdisk and initrd support."); |
---|
969 | log_to_screen |
---|
970 | ("I'll allow you to proceed but FYI, if I'm right, your kernel is broken."); |
---|
971 | } |
---|
972 | } |
---|
973 | } |
---|
974 | #endif |
---|
975 | retval += whine_if_not_found(MKE2FS_OR_NEWFS); |
---|
976 | retval += whine_if_not_found("mkisofs"); |
---|
977 | if (system("which dvdrecord > /dev/null 2> /dev/null")) { |
---|
978 | retval += whine_if_not_found("cdrecord"); |
---|
979 | } |
---|
980 | retval += whine_if_not_found("bzip2"); |
---|
981 | retval += whine_if_not_found("gzip"); |
---|
982 | retval += whine_if_not_found("awk"); |
---|
983 | retval += whine_if_not_found("md5sum"); |
---|
984 | retval += whine_if_not_found("strings"); |
---|
985 | retval += whine_if_not_found("mindi"); |
---|
986 | retval += whine_if_not_found("buffer"); |
---|
987 | |
---|
988 | // abort if Windows partition but no ms-sys and parted |
---|
989 | if (!run_program_and_log_output("mount | grep -Ew 'vfat|fat|dos' | grep -vE \"/dev/fd|nexdisk\"", 0)) { |
---|
990 | log_to_screen("I think you have a Windows 9x partition."); |
---|
991 | retval += whine_if_not_found("parted"); |
---|
992 | } |
---|
993 | |
---|
994 | if (!find_home_of_exe("cmp")) { |
---|
995 | if (!find_home_of_exe("true")) { |
---|
996 | whine_if_not_found("cmp"); |
---|
997 | } else { |
---|
998 | log_to_screen |
---|
999 | ("Your system lacks the 'cmp' binary. I'll create a dummy cmp for you."); |
---|
1000 | if (run_program_and_log_output |
---|
1001 | ("cp -f `which true` /usr/bin/cmp", 0)) { |
---|
1002 | fatal_error("Failed to create dummy 'cmp' file."); |
---|
1003 | } |
---|
1004 | } |
---|
1005 | } |
---|
1006 | run_program_and_log_output |
---|
1007 | ("umount `mount | grep cdr | cut -d' ' -f3 | tr '\n' ' '`", 5); |
---|
1008 | strcpy(tmp, |
---|
1009 | call_program_and_get_last_line_of_output |
---|
1010 | ("mount | grep -E \"cdr(om|w)\"")); |
---|
1011 | if (strcmp("", tmp)) { |
---|
1012 | if (strstr(tmp, "autofs")) { |
---|
1013 | log_to_screen |
---|
1014 | ("Your CD-ROM is mounted via autofs. I therefore cannot tell"); |
---|
1015 | log_to_screen |
---|
1016 | ("if a CD actually is inserted. If a CD is inserted, please"); |
---|
1017 | log_to_screen("eject it. Thank you."); |
---|
1018 | log_it |
---|
1019 | ("Ignoring autofs CD-ROM 'mount' since we hope nothing's in it."); |
---|
1020 | } else |
---|
1021 | if (run_program_and_log_output("uname -a | grep Knoppix", 5)) { |
---|
1022 | retval++; |
---|
1023 | fatal_error |
---|
1024 | ("Your CD-ROM drive is mounted. Please unmount it."); |
---|
1025 | } |
---|
1026 | } |
---|
1027 | |
---|
1028 | run_program_and_log_output("cat /etc/fstab", 5); |
---|
1029 | #ifdef __FreeBSD__ |
---|
1030 | run_program_and_log_output("vinum printconfig", 5); |
---|
1031 | #else |
---|
1032 | run_program_and_log_output("cat /etc/raidtab", 5); |
---|
1033 | #endif |
---|
1034 | |
---|
1035 | if (run_program_and_log_output("mindi -V", 1)) { |
---|
1036 | log_to_screen("Could not ascertain mindi's version number."); |
---|
1037 | log_to_screen |
---|
1038 | ("You have not installed Mondo and/or Mindi properly."); |
---|
1039 | log_to_screen("Please uninstall and reinstall them both."); |
---|
1040 | fatal_error("Please reinstall Mondo and Mindi."); |
---|
1041 | } |
---|
1042 | sprintf(tmp, "mindi --makemountlist %s/mountlist.txt.test", bkpinfo->tmpdir); |
---|
1043 | if (run_program_and_log_output(tmp, 5)) { |
---|
1044 | sprintf(tmp, "mindi --makemountlist %s/mountlist.txt.test failed for some reason.", bkpinfo->tmpdir); |
---|
1045 | log_to_screen(tmp); |
---|
1046 | log_to_screen |
---|
1047 | ("Please run that command by hand and examine /var/log/mindi.log"); |
---|
1048 | log_to_screen |
---|
1049 | ("for more information. Perhaps your /etc/fstab file is insane."); |
---|
1050 | log_to_screen |
---|
1051 | ("Perhaps Mindi's MakeMountlist() subroutine has a bug. We'll see."); |
---|
1052 | retval++; |
---|
1053 | } |
---|
1054 | |
---|
1055 | if (!run_program_and_log_output("parted2fdisk -l | grep -i raid", 1) |
---|
1056 | && !does_file_exist("/etc/raidtab")) { |
---|
1057 | log_to_screen |
---|
1058 | ("You have RAID partitions but no /etc/raidtab - creating one from /proc/mdstat"); |
---|
1059 | create_raidtab_from_mdstat("/etc/raidtab"); |
---|
1060 | } |
---|
1061 | |
---|
1062 | if (retval) { |
---|
1063 | mvaddstr_and_log_it(g_currentY++, 74, "Failed."); |
---|
1064 | } else { |
---|
1065 | mvaddstr_and_log_it(g_currentY++, 74, "Done."); |
---|
1066 | } |
---|
1067 | return (retval); |
---|
1068 | } |
---|
1069 | |
---|
1070 | /** |
---|
1071 | * Retrieve the line containing @p label from the config file. |
---|
1072 | * @param config_file The file to read from, usually @c /tmp/mondo-restore.cfg. |
---|
1073 | * @param label What to read from the file. |
---|
1074 | * @param value Where to put it. |
---|
1075 | * @return 0 for success, 1 for failure. |
---|
1076 | */ |
---|
1077 | int read_cfg_var(char *config_file, char *label, char *value) |
---|
1078 | { |
---|
1079 | /*@ buffer ****************************************************** */ |
---|
1080 | char command[MAX_STR_LEN * 2]; |
---|
1081 | char tmp[MAX_STR_LEN]; |
---|
1082 | |
---|
1083 | /*@ end vars *************************************************** */ |
---|
1084 | |
---|
1085 | assert_string_is_neither_NULL_nor_zerolength(config_file); |
---|
1086 | assert_string_is_neither_NULL_nor_zerolength(label); |
---|
1087 | if (!does_file_exist(config_file)) { |
---|
1088 | sprintf(tmp, "(read_cfg_var) Cannot find %s config file", |
---|
1089 | config_file); |
---|
1090 | log_to_screen(tmp); |
---|
1091 | value[0] = '\0'; |
---|
1092 | return (1); |
---|
1093 | } else if ((value != NULL) && (strstr(value, "/dev/") && strstr(value, "t0") && !strcmp(label, "media-dev"))) { |
---|
1094 | log_msg(2, "FYI, I can't read new value for %s - already got %s", label, value); |
---|
1095 | return (0); |
---|
1096 | } else { |
---|
1097 | sprintf(command, "grep '%s .*' %s| cut -d' ' -f2,3,4,5", |
---|
1098 | label, config_file); |
---|
1099 | strcpy(value, call_program_and_get_last_line_of_output(command)); |
---|
1100 | if (strlen(value) == 0) { |
---|
1101 | return (1); |
---|
1102 | } else { |
---|
1103 | return (0); |
---|
1104 | } |
---|
1105 | } |
---|
1106 | } |
---|
1107 | |
---|
1108 | |
---|
1109 | |
---|
1110 | /** |
---|
1111 | * Remount @c supermount if it was unmounted earlier. |
---|
1112 | */ |
---|
1113 | void remount_supermounts_if_necessary() |
---|
1114 | { |
---|
1115 | if (g_remount_cdrom_at_end) { |
---|
1116 | run_program_and_log_output("mount " MNT_CDROM, FALSE); |
---|
1117 | } |
---|
1118 | if (g_remount_floppy_at_end) { |
---|
1119 | run_program_and_log_output("mount " MNT_FLOPPY, FALSE); |
---|
1120 | } |
---|
1121 | } |
---|
1122 | |
---|
1123 | /** |
---|
1124 | * Unmount @c supermount if it's mounted. |
---|
1125 | */ |
---|
1126 | void unmount_supermounts_if_necessary() |
---|
1127 | { |
---|
1128 | if (run_program_and_log_output |
---|
1129 | ("mount | grep cdrom | grep super", FALSE) == 0) { |
---|
1130 | g_remount_cdrom_at_end = TRUE; |
---|
1131 | run_program_and_log_output("umount " MNT_CDROM, FALSE); |
---|
1132 | } |
---|
1133 | if (run_program_and_log_output |
---|
1134 | ("mount | grep floppy | grep super", FALSE) == 0) { |
---|
1135 | g_remount_floppy_at_end = TRUE; |
---|
1136 | run_program_and_log_output("umount " MNT_FLOPPY, FALSE); |
---|
1137 | } |
---|
1138 | } |
---|
1139 | |
---|
1140 | /** |
---|
1141 | * Whether we had to stop autofs (if so, restart it at end). |
---|
1142 | */ |
---|
1143 | bool g_autofs_stopped = FALSE; |
---|
1144 | |
---|
1145 | /** |
---|
1146 | * Path to the autofs initscript ("" if none exists). |
---|
1147 | */ |
---|
1148 | char g_autofs_exe[MAX_STR_LEN]; |
---|
1149 | |
---|
1150 | /** |
---|
1151 | * Autofs initscript in Xandros Linux distribution. |
---|
1152 | */ |
---|
1153 | #define XANDROS_AUTOFS_FNAME "/etc/init.d/xandros-autofs" |
---|
1154 | |
---|
1155 | /** |
---|
1156 | * Autofs initscript in most Linux distributions. |
---|
1157 | */ |
---|
1158 | #define STOCK_AUTOFS_FNAME "/etc/rc.d/init.d/autofs" |
---|
1159 | |
---|
1160 | /** |
---|
1161 | * If autofs is mounted, stop it (restart at end). |
---|
1162 | */ |
---|
1163 | void stop_autofs_if_necessary() |
---|
1164 | { |
---|
1165 | char tmp[MAX_STR_LEN]; |
---|
1166 | |
---|
1167 | g_autofs_exe[0] = '\0'; |
---|
1168 | if (does_file_exist(XANDROS_AUTOFS_FNAME)) { |
---|
1169 | strcpy(g_autofs_exe, XANDROS_AUTOFS_FNAME); |
---|
1170 | } else if (does_file_exist(STOCK_AUTOFS_FNAME)) { |
---|
1171 | strcpy(g_autofs_exe, STOCK_AUTOFS_FNAME); |
---|
1172 | } |
---|
1173 | |
---|
1174 | if (!g_autofs_exe[0]) { |
---|
1175 | log_msg(3, "No autofs detected."); |
---|
1176 | } else { |
---|
1177 | log_msg(3, "%s --- autofs detected", g_autofs_exe); |
---|
1178 | // FIXME -- only disable it if it's running --- sprintf(tmp, "%s status", autofs_exe); |
---|
1179 | sprintf(tmp, "%s stop", g_autofs_exe); |
---|
1180 | if (run_program_and_log_output(tmp, 2)) { |
---|
1181 | log_it("Failed to stop autofs - I assume it wasn't running"); |
---|
1182 | } else { |
---|
1183 | g_autofs_stopped = TRUE; |
---|
1184 | log_it("Stopped autofs OK"); |
---|
1185 | } |
---|
1186 | } |
---|
1187 | } |
---|
1188 | |
---|
1189 | /** |
---|
1190 | * If autofs was stopped earlier, restart it. |
---|
1191 | */ |
---|
1192 | void restart_autofs_if_necessary() |
---|
1193 | { |
---|
1194 | char tmp[MAX_STR_LEN]; |
---|
1195 | |
---|
1196 | if (!g_autofs_stopped || !g_autofs_exe[0]) { |
---|
1197 | log_msg(3, "No autofs detected."); |
---|
1198 | return; |
---|
1199 | } |
---|
1200 | sprintf(tmp, "%s start", g_autofs_exe); |
---|
1201 | if (run_program_and_log_output(tmp, 2)) { |
---|
1202 | log_it("Failed to start autofs"); |
---|
1203 | } else { |
---|
1204 | g_autofs_stopped = FALSE; |
---|
1205 | log_it("Started autofs OK"); |
---|
1206 | } |
---|
1207 | } |
---|
1208 | |
---|
1209 | |
---|
1210 | /** |
---|
1211 | * If this is a distribution like Gentoo that doesn't keep /boot mounted, mount it. |
---|
1212 | */ |
---|
1213 | void mount_boot_if_necessary() |
---|
1214 | { |
---|
1215 | char tmp[MAX_STR_LEN]; |
---|
1216 | char command[MAX_STR_LEN]; |
---|
1217 | |
---|
1218 | log_msg(1, "Started sub"); |
---|
1219 | log_msg(4, "About to set g_boot_mountpt[0] to '\\0'"); |
---|
1220 | g_boot_mountpt[0] = '\0'; |
---|
1221 | log_msg(4, "Done. Great. Seeting command to something"); |
---|
1222 | strcpy(command, |
---|
1223 | "grep -v \":\" /etc/fstab | grep -vE '^#.*$' | grep -E \"[ ]/boot[ ]\" | tr -s ' ' '\t' | cut -f1 | head -n1"); |
---|
1224 | log_msg(4, "Cool. Command = '%s'", command); |
---|
1225 | strcpy(tmp, call_program_and_get_last_line_of_output(command)); |
---|
1226 | log_msg(4, "tmp = '%s'", tmp); |
---|
1227 | if (tmp[0]) { |
---|
1228 | log_it("/boot is at %s according to /etc/fstab", tmp); |
---|
1229 | strcpy(command, "mount | grep -Ew '/boot'"); |
---|
1230 | strcpy(tmp, call_program_and_get_last_line_of_output(command)); |
---|
1231 | if (!strcmp(tmp,"")) { |
---|
1232 | if ((strstr(tmp, "LABEL=") || strstr(tmp,"UUID="))) { |
---|
1233 | if (!run_program_and_log_output("mount /boot", 5)) { |
---|
1234 | strcpy(g_boot_mountpt, "/boot"); |
---|
1235 | log_msg(1, "Mounted /boot"); |
---|
1236 | } else { |
---|
1237 | log_it("...ignored cos it's a label or uuid :-)"); |
---|
1238 | } |
---|
1239 | } else { |
---|
1240 | sprintf(command, "mount | grep -E '^%s'", tmp); |
---|
1241 | log_msg(3, "command = %s", command); |
---|
1242 | if (run_program_and_log_output(command, 5)) { |
---|
1243 | strcpy(g_boot_mountpt, tmp); |
---|
1244 | sprintf(tmp, |
---|
1245 | "%s (your /boot partition) is not mounted. I'll mount it before backing up", |
---|
1246 | g_boot_mountpt); |
---|
1247 | log_it(tmp); |
---|
1248 | sprintf(tmp, "mount %s", g_boot_mountpt); |
---|
1249 | if (run_program_and_log_output(tmp, 5)) { |
---|
1250 | g_boot_mountpt[0] = '\0'; |
---|
1251 | log_msg(1, "Plan B"); |
---|
1252 | if (!run_program_and_log_output("mount /boot", 5)) { |
---|
1253 | strcpy(g_boot_mountpt, "/boot"); |
---|
1254 | log_msg(1, "Plan B worked"); |
---|
1255 | } else { |
---|
1256 | log_msg(1, |
---|
1257 | "Plan B failed. Unable to mount /boot for backup purposes. This probably means /boot is mounted already, or doesn't have its own partition."); |
---|
1258 | } |
---|
1259 | } |
---|
1260 | } |
---|
1261 | } |
---|
1262 | } |
---|
1263 | } |
---|
1264 | log_msg(1, "Ended sub"); |
---|
1265 | } |
---|
1266 | |
---|
1267 | |
---|
1268 | /** |
---|
1269 | * If we mounted /boot earlier, unmount it. |
---|
1270 | */ |
---|
1271 | void unmount_boot_if_necessary() |
---|
1272 | { |
---|
1273 | char tmp[MAX_STR_LEN]; |
---|
1274 | |
---|
1275 | log_msg(3, "starting"); |
---|
1276 | if (g_boot_mountpt[0]) { |
---|
1277 | sprintf(tmp, "umount %s", g_boot_mountpt); |
---|
1278 | if (run_program_and_log_output(tmp, 5)) { |
---|
1279 | log_it("WARNING - unable to unmount /boot"); |
---|
1280 | } |
---|
1281 | } |
---|
1282 | log_msg(3, "leaving"); |
---|
1283 | } |
---|
1284 | |
---|
1285 | |
---|
1286 | |
---|
1287 | /** |
---|
1288 | * Write a line to a configuration file. Writes a line of the form, |
---|
1289 | * @c label @c value. |
---|
1290 | * @param config_file The file to write to. Usually @c mondo-restore.cfg. |
---|
1291 | * @param label What to call this bit of data you're writing. |
---|
1292 | * @param value The bit of data you're writing. |
---|
1293 | * @return 0 for success, 1 for failure. |
---|
1294 | */ |
---|
1295 | int write_cfg_var(char *config_file, char *label, char *value) |
---|
1296 | { |
---|
1297 | /*@ buffers ***************************************************** */ |
---|
1298 | char command[MAX_STR_LEN * 2]; |
---|
1299 | char tempfile[MAX_STR_LEN]; |
---|
1300 | char tmp[MAX_STR_LEN]; |
---|
1301 | |
---|
1302 | |
---|
1303 | /*@ end vars *************************************************** */ |
---|
1304 | assert_string_is_neither_NULL_nor_zerolength(config_file); |
---|
1305 | assert_string_is_neither_NULL_nor_zerolength(label); |
---|
1306 | assert(value != NULL); |
---|
1307 | if (!does_file_exist(config_file)) { |
---|
1308 | sprintf(tmp, "(write_cfg_file) Cannot find %s config file", |
---|
1309 | config_file); |
---|
1310 | log_to_screen(tmp); |
---|
1311 | return (1); |
---|
1312 | } |
---|
1313 | sprintf(tempfile, "%s/mojo-jojo.blah", bkpinfo->tmpdir); |
---|
1314 | if (does_file_exist(config_file)) { |
---|
1315 | sprintf(command, "grep -vE '^%s .*$' %s > %s", |
---|
1316 | label, config_file, tempfile); |
---|
1317 | paranoid_system(command); |
---|
1318 | } |
---|
1319 | sprintf(command, "echo \"%s %s\" >> %s", label, value, tempfile); |
---|
1320 | paranoid_system(command); |
---|
1321 | sprintf(command, "mv -f %s %s", tempfile, config_file); |
---|
1322 | paranoid_system(command); |
---|
1323 | unlink(tempfile); |
---|
1324 | return (0); |
---|
1325 | } |
---|
1326 | |
---|
1327 | |
---|
1328 | /** |
---|
1329 | * The standard log_debug_msg() (log_msg() also due to a macro). Writes some describing |
---|
1330 | * information to the logfile. |
---|
1331 | */ |
---|
1332 | void standard_log_debug_msg(int debug_level, const char *szFile, |
---|
1333 | const char *szFunction, int nLine, |
---|
1334 | const char *fmt, ...) |
---|
1335 | { |
---|
1336 | va_list args; |
---|
1337 | int i; |
---|
1338 | static int depth = 0; |
---|
1339 | char *tmp; |
---|
1340 | FILE *fout; |
---|
1341 | |
---|
1342 | if (depth > 5) { |
---|
1343 | depth--; |
---|
1344 | return; |
---|
1345 | } |
---|
1346 | depth++; |
---|
1347 | |
---|
1348 | malloc_string(tmp); |
---|
1349 | |
---|
1350 | if (debug_level <= g_loglevel) { |
---|
1351 | va_start(args, fmt); |
---|
1352 | if (!(fout = fopen(MONDO_LOGFILE, "a"))) { |
---|
1353 | return; |
---|
1354 | } // fatal_error("Failed to openout to logfile - sheesh..."); } |
---|
1355 | |
---|
1356 | // add tabs to distinguish log levels |
---|
1357 | if (debug_level > 0) { |
---|
1358 | for (i = 1; i < debug_level; i++) |
---|
1359 | fprintf(fout, "\t"); |
---|
1360 | if (getpid() == g_main_pid) |
---|
1361 | fprintf(fout, "[Main] %s->%s#%d: ", szFile, szFunction, |
---|
1362 | nLine); |
---|
1363 | else if (getpid() == g_buffer_pid && g_buffer_pid > 0) |
---|
1364 | fprintf(fout, "[Buff] %s->%s#%d: ", szFile, szFunction, |
---|
1365 | nLine); |
---|
1366 | else |
---|
1367 | fprintf(fout, "[TH=%d] %s->%s#%d: ", getpid(), szFile, |
---|
1368 | szFunction, nLine); |
---|
1369 | } |
---|
1370 | vfprintf(fout, fmt, args); |
---|
1371 | |
---|
1372 | // do not slow down the progran if standard debug level |
---|
1373 | // must be enabled: if no flush, the log won't be up-to-date if there |
---|
1374 | // is a segfault |
---|
1375 | //if (g_dwDebugLevel != 1) |
---|
1376 | |
---|
1377 | va_end(args); |
---|
1378 | fprintf(fout, "\n"); |
---|
1379 | paranoid_fclose(fout); |
---|
1380 | } |
---|
1381 | depth--; |
---|
1382 | paranoid_free(tmp); |
---|
1383 | } |
---|
1384 | |
---|
1385 | /** |
---|
1386 | * Function pointer to the @c log_debug_msg function to use. Points to standard_log_debug_msg() by default. |
---|
1387 | */ |
---|
1388 | void (*log_debug_msg) (int, const char *, const char *, int, const char *, |
---|
1389 | ...) = standard_log_debug_msg; |
---|
1390 | |
---|
1391 | |
---|
1392 | /** |
---|
1393 | * If @p y, malloc @p x, else free @p x. |
---|
1394 | * @bug This function seems orphaned. Please remove. |
---|
1395 | */ |
---|
1396 | #define do_alloc_or_free_depending(x,y) { if(y) {x=malloc(MAX_STR_LEN);} else {paranoid_free(x);} } |
---|
1397 | |
---|
1398 | /** |
---|
1399 | * Allocate or free important globals, depending on @p mal. |
---|
1400 | * @param mal If TRUE, malloc; if FALSE, free. |
---|
1401 | */ |
---|
1402 | void do_libmondo_global_strings_thing(int mal) |
---|
1403 | { |
---|
1404 | if (mal) { |
---|
1405 | malloc_string(g_boot_mountpt); |
---|
1406 | malloc_string(g_mondo_home); |
---|
1407 | /* |
---|
1408 | malloc_string(g_tmpfs_mountpt); |
---|
1409 | */ |
---|
1410 | malloc_string(g_serial_string); |
---|
1411 | malloc_string(g_magicdev_command); |
---|
1412 | } else { |
---|
1413 | paranoid_free(g_boot_mountpt); |
---|
1414 | paranoid_free(g_mondo_home); |
---|
1415 | /* |
---|
1416 | paranoid_free(g_tmpfs_mountpt); |
---|
1417 | */ |
---|
1418 | paranoid_free(g_serial_string); |
---|
1419 | paranoid_free(g_magicdev_command); |
---|
1420 | } |
---|
1421 | |
---|
1422 | /* |
---|
1423 | char**list_of_arrays[] = { |
---|
1424 | &g_boot_mountpt, |
---|
1425 | &g_mondo_home, |
---|
1426 | &g_tmpfs_mountpt, |
---|
1427 | &g_serial_string, |
---|
1428 | &g_magicdev_command, |
---|
1429 | NULL}; |
---|
1430 | |
---|
1431 | char**ppcurr; |
---|
1432 | int i; |
---|
1433 | |
---|
1434 | for(i=0;list_of_arrays[i];i++) |
---|
1435 | { |
---|
1436 | log_msg(5, "Allocating %d", i); |
---|
1437 | ppcurr = list_of_arrays[i]; |
---|
1438 | if (mal) |
---|
1439 | { *ppcurr = malloc(MAX_STR_LEN); } |
---|
1440 | else |
---|
1441 | { |
---|
1442 | if (*ppcurr) |
---|
1443 | { |
---|
1444 | free(*ppcurr); |
---|
1445 | } |
---|
1446 | } |
---|
1447 | } |
---|
1448 | log_msg(5, "Returning"); |
---|
1449 | */ |
---|
1450 | } |
---|
1451 | |
---|
1452 | /** |
---|
1453 | * Allocate important globals. |
---|
1454 | * @see do_libmondo_global_strings_thing |
---|
1455 | */ |
---|
1456 | void malloc_libmondo_global_strings(void) |
---|
1457 | { |
---|
1458 | do_libmondo_global_strings_thing(1); |
---|
1459 | } |
---|
1460 | |
---|
1461 | /** |
---|
1462 | * Free important globals. |
---|
1463 | * @see do_libmondo_global_strings_thing |
---|
1464 | */ |
---|
1465 | void free_libmondo_global_strings(void) |
---|
1466 | { |
---|
1467 | do_libmondo_global_strings_thing(0); |
---|
1468 | } |
---|
1469 | |
---|
1470 | |
---|
1471 | |
---|
1472 | /** |
---|
1473 | * Stop @c magicdev if it's running. |
---|
1474 | * The command used to start it is saved in @p g_magicdev_command. |
---|
1475 | */ |
---|
1476 | void stop_magicdev_if_necessary() |
---|
1477 | { |
---|
1478 | strcpy(g_magicdev_command, |
---|
1479 | call_program_and_get_last_line_of_output |
---|
1480 | ("ps ax | grep -w magicdev | grep -v grep | tr -s '\t' ' '| cut -d' ' -f6-99")); |
---|
1481 | if (g_magicdev_command[0]) { |
---|
1482 | log_msg(1, "g_magicdev_command = '%s'", g_magicdev_command); |
---|
1483 | paranoid_system("killall magicdev"); |
---|
1484 | } |
---|
1485 | } |
---|
1486 | |
---|
1487 | |
---|
1488 | /** |
---|
1489 | * Restart magicdev if it was stopped. |
---|
1490 | */ |
---|
1491 | void restart_magicdev_if_necessary() |
---|
1492 | { |
---|
1493 | char *tmp; |
---|
1494 | |
---|
1495 | malloc_string(tmp); |
---|
1496 | if (g_magicdev_command && g_magicdev_command[0]) { |
---|
1497 | sprintf(tmp, "%s &", g_magicdev_command); |
---|
1498 | paranoid_system(tmp); |
---|
1499 | } |
---|
1500 | paranoid_free(tmp); |
---|
1501 | } |
---|
1502 | |
---|
1503 | /* @} - end of utilityGroup */ |
---|