1 | /* $Id: libmondo-tools.c 171 2005-12-08 16:20:29Z bcornec $
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2 | misc tools
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3 | */
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4 |
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5 | /**
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6 | * @file
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7 | * Miscellaneous tools that didn't really fit anywhere else.
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8 | */
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9 |
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10 | #include "my-stuff.h"
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11 | #include "mondostructures.h"
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12 | #include "lib-common-externs.h"
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13 | #include "libmondo-tools.h"
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14 | #include "libmondo-gui-EXT.h"
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15 | #include "libmondo-files-EXT.h"
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16 | #include "libmondo-fork-EXT.h"
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17 | #include "libmondo-raid-EXT.h"
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18 | #include <sys/socket.h>
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19 | #include <netdb.h>
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20 | #include <netinet/in.h>
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21 | #ifndef S_SPLINT_S
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22 | #include <arpa/inet.h>
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23 | #endif
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24 |
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25 | /*@unused@*/
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26 | //static char cvsid[] = "$Id: libmondo-tools.c 171 2005-12-08 16:20:29Z bcornec $";
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27 |
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28 | extern int g_tape_buffer_size_MB;
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29 | extern char *g_erase_tmpdir_and_scratchdir;
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30 | extern char *g_serial_string;
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31 | extern bool g_text_mode;
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32 | extern int g_currentY;
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33 | extern int g_current_media_number;
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34 |
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35 | /**
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36 | * @addtogroup globalGroup
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37 | * @{
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38 | */
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39 | 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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40 | g_remount_floppy_at_end; ///< TRUE if we unmounted the floppy and should remount it when done with the backup.
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41 | bool g_cd_recovery; ///< TRUE if we're making an "autonuke" backup.
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42 | double g_kernel_version;
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43 |
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44 | /**
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45 | * The place where /boot is mounted. - Used locally only
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46 | */
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47 | static char *g_boot_mountpt = NULL;
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48 |
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49 | /**
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50 | * The location of Mondo's home directory.
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51 | */
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52 | char *g_mondo_home = NULL;
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53 |
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54 | /**
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55 | * The serial string (used to differentiate between backups) of the current backup.
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56 | */
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57 | char *g_serial_string = NULL;
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58 |
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59 | /**
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60 | * The location where tmpfs is mounted, or "" if it's not mounted.
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61 | */
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62 | char *g_tmpfs_mountpt = NULL;
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63 | char *g_magicdev_command = NULL;
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64 |
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65 | /**
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66 | * The default maximum level to log messages at or below.
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67 | */
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68 | int g_loglevel = DEFAULT_DEBUG_LEVEL;
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69 |
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70 | /* @} - end of globalGroup */
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71 |
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72 |
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73 | extern pid_t g_buffer_pid;
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74 | extern pid_t g_main_pid;
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75 |
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76 | extern t_bkptype g_backup_media_type;
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77 |
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78 | extern bool am_I_in_disaster_recovery_mode(void);
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79 |
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80 |
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81 | /**
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82 | * @addtogroup utilityGroup
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83 | * @{
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84 | */
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85 | /**
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86 | * Assertion handler. Prints a friendly message to the user,
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87 | * offering to ignore all, dump core, break to debugger,
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88 | * exit, or ignore. Intended to be used with an assert() macro.
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89 | *
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90 | * @param file The file in which the assertion triggered.
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91 | * @param function The function (@c __FUNCTION__) in which the assertion triggered.
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92 | * @param line The line number of the assert() statement.
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93 | * @param exp The expression that failed (as a string).
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94 | */
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95 | void _mondo_assert_fail(const char *file,
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96 | const char *function, int line, const char *exp)
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97 | {
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98 | static int ignoring_assertions = 0;
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99 | bool is_valid = TRUE;
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100 |
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101 | log_it("ASSERTION FAILED: `%s' at %s:%d in %s", exp, file, line,
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102 | function);
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103 | if (ignoring_assertions) {
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104 | log_it("Well, the user doesn't care...");
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105 | return;
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106 | }
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107 | #ifndef _XWIN
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108 | if (!g_text_mode)
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109 | newtSuspend();
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110 | #endif
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111 | printf("ASSERTION FAILED: `%s'\n", exp);
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112 | printf("\tat %s:%d in %s\n\n", file, line, function);
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113 | printf("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
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114 | do {
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115 | is_valid = TRUE;
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116 | switch (toupper(getchar())) {
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117 | case 'A': // ignore (A)ll
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118 | ignoring_assertions = 1;
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119 | break;
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120 | case 'B': // a(B)ort
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121 | signal(SIGABRT, SIG_DFL); /* prevent SIGABRT handler from running */
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122 | raise(SIGABRT);
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123 | break; /* "can't get here" */
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124 | case 'D': // (D)ebug, aka asm("int 3")
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125 | #ifdef __IA32__
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126 | __asm__ __volatile__("int $3"); // break to debugger
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127 | #endif
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128 | break;
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129 | case 'E': // (E)xit
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130 | fatal_error("Failed assertion -- see above for details");
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131 | break; /* "can't get here" */
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132 | case 'I': // (I)gnore
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133 | break;
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134 | /* These next two work as follows:
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135 | the `default' catches the user's invalid choice and says so;
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136 | the '\n' catches the newline on the end and prints the prompt again.
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137 | */
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138 | case '\n':
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139 | printf
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140 | ("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
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141 | break;
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142 | default:
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143 | is_valid = FALSE;
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144 | printf("Invalid choice.\n");
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145 | break;
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146 | }
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147 | } while (!is_valid);
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148 |
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149 | if (ignoring_assertions) {
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150 | log_it("Ignoring ALL assertions from now on.");
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151 | } else {
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152 | log_it("Ignoring assertion: %s", exp);
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153 | }
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154 |
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155 | getchar(); // skip \n
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156 |
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157 | #ifndef _XWIN
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158 | if (!g_text_mode)
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159 | newtResume();
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160 | #endif
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161 | }
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162 |
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163 | /**
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164 | * Clean's up users' KDE desktops.
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165 | * @bug Details about this function are unknown.
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166 | */
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167 | void clean_up_KDE_desktop_if_necessary(void)
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168 | {
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169 | char *tmp;
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170 |
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171 | asprintf(&tmp,
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172 | "for i in `find /root /home -type d -name Desktop -maxdepth 2`; do \
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173 | file=$i/.directory; if [ -f \"$file\" ] ; then mv -f $file $file.old ; \
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174 | cat $file.old | awk '{if (index($0, \"rootimagesmindi\")) { while (length($0)>2) { getline;} ; } \
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175 | else { print $0;};}' > $file ; fi ; done");
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176 | run_program_and_log_output(tmp, 5);
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177 | paranoid_free(tmp);
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178 | }
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179 |
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180 |
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181 | /**
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182 | * Locate mondoarchive's home directory. Searches in /usr/local/mondo, /usr/share/mondo,
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183 | * /usr/local/share/mondo, /opt, or if all else fails, search /usr.
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184 | *
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185 | * @param home_sz String to store the home directory ("" if it could not be found).
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186 | * @return 0 for success, nonzero for failure.
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187 | */
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188 | char *find_and_store_mondoarchives_home()
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189 | {
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190 | char *home_sz = NULL;
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191 |
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192 | asprintf(&home_sz,
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193 | call_program_and_get_last_line_of_output
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194 | ("find /usr/lib/ /usr/local/ /usr/share/ /usr/local/share/ /opt/ /ramdisk/usr/share/ -type d -maxdepth 2 -name include -prune -o -type d -maxdepth 2 -path '*/mondo/restore-scripts' -printf '%h\n' 2> /dev/null"));
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195 |
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196 | if (home_sz[0] == '\0') {
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197 | paranoid_free(home_sz);
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198 | asprintf(&home_sz,
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199 | call_program_and_get_last_line_of_output
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200 | ("find /usr -type d -path '*/mondo/restore-scripts' -follow -maxdepth 3 -printf '%h\n' 2> /dev/null"));
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201 | }
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202 | if (home_sz[0] == '\0') {
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203 | paranoid_free(home_sz);
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204 | home_sz = NULL;
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205 | } else {
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206 | log_it("mondoarchive home found at %s", home_sz);
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207 | }
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208 | return (home_sz);
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209 | }
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210 |
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211 |
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212 | char *get_architecture()
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213 | {
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214 | #ifdef __IA32__
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215 | return ("i386");
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216 | #endif
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217 | #ifdef __X86_64__
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218 | return ("x86-64");
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219 | #endif
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220 | #ifdef __IA64__
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221 | return ("ia64");
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222 | #endif
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223 | return ("unknown");
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224 | }
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225 |
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226 |
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227 |
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228 | double get_kernel_version()
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229 | {
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230 | char *p, *tmp;
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231 | double d;
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232 | #ifdef __FreeBSD__
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233 | // JOSH - FIXME :)
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234 | d = 5.2; // :-)
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235 | #else
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236 | asprintf(&tmp, call_program_and_get_last_line_of_output("uname -r"));
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237 | p = strchr(tmp, '.');
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238 | if (p) {
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239 | p = strchr(++p, '.');
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240 | if (p) {
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241 | while (*p) {
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242 | *p = *(p + 1);
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243 | p++;
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244 | }
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245 | }
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246 | }
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247 | // log_msg(1, "tmp = '%s'", tmp);
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248 | d = atof(tmp);
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249 | #endif
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250 | log_msg(1, "g_kernel_version = %f", d);
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251 | return (d);
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252 | }
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253 |
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254 |
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255 |
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256 |
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257 |
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258 | /**
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259 | * Get the current time.
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260 | * @return number of seconds since the epoch.
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261 | */
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262 | long get_time()
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263 | {
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264 | return (long) time((void *) 0);
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265 | }
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266 |
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267 |
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268 |
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269 |
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270 |
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271 |
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272 |
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273 | /**
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274 | * Initialize a RAID volume structure, setting fields to zero. The
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275 | * actual hard drive is unaffected.
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276 | *
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277 | * @param raidrec The RAID volume structure to initialize.
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278 | * @note This function is system dependent.
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279 | */
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280 | #ifdef __FreeBSD__
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281 | void initialize_raidrec(struct vinum_volume *raidrec)
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282 | {
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283 | int i, j;
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284 | raidrec->volname[0] = '\0';
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285 | raidrec->plexes = 0;
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286 | for (i = 0; i < 9; ++i) {
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287 | raidrec->plex[i].raidlevel = -1;
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288 | raidrec->plex[i].stripesize = 0;
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289 | raidrec->plex[i].subdisks = 0;
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290 | for (j = 0; j < 9; ++j) {
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291 | strcpy(raidrec->plex[i].sd[j].which_device, "");
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292 | }
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293 | }
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294 | }
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295 | #else
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296 | void initialize_raidrec(struct raid_device_record *raidrec)
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297 | {
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298 | assert(raidrec != NULL);
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299 | raidrec->raid_device[0] = '\0';
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300 | raidrec->raid_level = 0;
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301 | raidrec->chunk_size = 4;
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302 | raidrec->persistent_superblock = 1;
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303 | raidrec->data_disks.entries = 0;
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304 | raidrec->spare_disks.entries = 0;
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305 | raidrec->parity_disks.entries = 0;
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306 | raidrec->failed_disks.entries = 0;
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307 | raidrec->additional_vars.entries = 0;
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308 | }
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309 | #endif
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310 |
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311 |
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312 |
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313 |
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314 | /**
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315 | * Insert modules that Mondo requires.
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316 | * Currently inserts @c dos, @c fat, @c vfat, and @c osst for Linux;
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317 | * @c msdosfs and @c ext2fs for FreeBSD.
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318 | */
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319 | void insmod_crucial_modules(void)
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320 | {
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321 | #ifdef __FreeBSD__
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322 | system("kldstat | grep msdosfs || kldload msdosfs 2> /dev/null");
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323 | system("kldstat | grep ext2fs || kldload ext2fs 2> /dev/null");
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324 | #else
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325 | system("modprobe -a dos fat vfat loop &> /dev/null");
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326 | #endif
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327 | }
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328 |
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329 |
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330 | /**
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331 | * Finish configuring the backup information structure. Call this function
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332 | * to set the parameters that depend on those that can be given on the command
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333 | * line.
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334 | *
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335 | * @param bkpinfo The backup information structure. Fields modified/used:
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336 | * - Used: @c bkpinfo->backup_data
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337 | * - Used: @c bkpinfo->backup_media_type
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338 | * - Used: @c bkpinfo->cdrw_speed
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339 | * - Used: @c bkpinfo->compression_level
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340 | * - Used: @c bkpinfo->include_paths
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341 | * - Used: @c bkpinfo->prefix
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342 | * - Used: @c bkpinfo->isodir
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343 | * - Used: @c bkpinfo->manual_cd_tray
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344 | * - Used: @c bkpinfo->make_cd_use_lilo
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345 | * - Used: @c bkpinfo->media_device
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346 | * - Used: @c bkpinfo->nfs_mount
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347 | * - Used: @c bkpinfo->nonbootable_backup
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348 | * - Used: @c bkpinfo->scratchdir
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349 | * - Used: @c bkpinfo->tmpdir
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350 | * - Used: @c bkpinfo->use_lzo
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351 | * - Modified: @c bkpinfo->call_before_iso
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352 | * - Modified: @c bkpinfo->call_make_iso
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353 | * - Modified: @c bkpinfo->optimal_set_size
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354 | * - Modified: @c bkpinfo->zip_exe
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355 | * - Modified: @c bkpinfo->zip_suffix
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356 | *
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357 | * @return number of errors, or 0 for success.
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358 | * @note Also creates directories that are specified in the @c bkpinfo structure but
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359 | * do not exist.
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360 | */
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361 | int post_param_configuration(struct s_bkpinfo *bkpinfo)
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362 | {
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363 | char *extra_cdrom_params = NULL;
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364 | char *mondo_mkisofs_sz = NULL;
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365 | char *command;
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366 | char *hostname, *ip_address;
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367 | int retval = 0;
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368 | long avm = 0;
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369 | char *colon;
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370 | char *cdr_exe;
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371 | char *tmp;
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372 | char *tmp1;
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373 | char call_before_iso_user[MAX_STR_LEN] = "\0";
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374 | int rdsiz_MB;
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375 | char *iso_path;
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376 |
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377 | assert(bkpinfo != NULL);
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378 | bkpinfo->optimal_set_size =
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379 | (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type) ? 4 : 8) *
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380 | 1024;
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381 |
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382 | log_msg(1, "Foo");
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383 | if (bkpinfo->backup_media_type == tape) {
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384 | log_msg(1, "Bar");
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385 | asprintf(&tmp, "mt -f %s status", bkpinfo->media_device);
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386 | log_msg(1, "tmp = '%s'", tmp);
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387 | if (run_program_and_log_output(tmp, 3)) {
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388 | fatal_error
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389 | ("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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390 | }
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391 | paranoid_free(tmp);
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392 | }
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393 | make_hole_for_dir(bkpinfo->scratchdir);
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394 | make_hole_for_dir(bkpinfo->tmpdir);
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395 | if (bkpinfo->backup_media_type == iso)
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396 | make_hole_for_dir(bkpinfo->isodir);
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397 |
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398 | run_program_and_log_output("uname -a", 5);
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399 | run_program_and_log_output("cat /etc/*issue*", 5);
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400 | asprintf(&g_tmpfs_mountpt, "%s/tmpfs", bkpinfo->tmpdir);
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401 | asprintf(&command, "mkdir -p %s", g_tmpfs_mountpt);
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402 | paranoid_system(command);
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403 | paranoid_free(command);
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404 | rdsiz_MB = PPCFG_RAMDISK_SIZE + g_tape_buffer_size_MB;
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405 | #ifdef __FreeBSD__
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406 | asprintf(&tmp,
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407 | call_program_and_get_last_line_of_output
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408 | ("vmstat | tail -1 | tr -s ' ' | cut -d' ' -f6"));
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409 | avm += atol(tmp);
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410 | paranoid_free(tmp);
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411 | asprintf(&tmp,
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412 | call_program_and_get_last_line_of_output
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413 | ("swapinfo | grep -v Device | tr -s ' ' | cut -d' ' -f4 | tr '\n' '+' | sed 's/+$//' | bc"));
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414 | avm += atol(tmp);
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415 | paranoid_free(tmp);
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416 | asprintf(&command, "mdmfs -s %d%c md9 %s", rdsiz_MB, 'm',
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417 | g_tmpfs_mountpt);
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418 | #else
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419 | asprintf(&tmp,
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420 | call_program_and_get_last_line_of_output
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421 | ("free | grep \":\" | tr -s ' ' '\t' | cut -f2 | head -n1"));
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422 | avm += atol(tmp);
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423 | paranoid_free(tmp);
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424 | asprintf(&command, "mount /dev/shm -t tmpfs %s -o size=%d%c",
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425 | g_tmpfs_mountpt, rdsiz_MB, 'm');
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426 | run_program_and_log_output("cat /proc/cpuinfo", 5);
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427 | /* BERLIOS: rpm is not necessarily there ! */
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428 | run_program_and_log_output
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429 | ("rpm -q newt newt-devel slang slang-devel ncurses ncurses-devel gcc",
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430 | 5);
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431 | #endif
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432 | if (avm / 1024 > rdsiz_MB * 3) {
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433 | if (run_program_and_log_output(command, 5)) {
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434 | g_tmpfs_mountpt[0] = '\0';
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435 | log_it("Failed to mount tmpfs");
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436 | } else {
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437 | log_it("Tmpfs mounted OK - %d MB", rdsiz_MB);
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438 | }
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439 | } else {
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---|
440 | g_tmpfs_mountpt[0] = '\0';
|
---|
441 | log_it("It doesn't seem you have enough swap to use tmpfs. Fine.");
|
---|
442 | }
|
---|
443 | paranoid_free(command);
|
---|
444 |
|
---|
445 | if (bkpinfo->use_lzo) {
|
---|
446 | strcpy(bkpinfo->zip_exe, "lzop");
|
---|
447 | strcpy(bkpinfo->zip_suffix, "lzo");
|
---|
448 | } else if (bkpinfo->compression_level != 0) {
|
---|
449 | strcpy(bkpinfo->zip_exe, "bzip2");
|
---|
450 | strcpy(bkpinfo->zip_suffix, "bz2");
|
---|
451 | } else {
|
---|
452 | bkpinfo->zip_exe[0] = bkpinfo->zip_suffix[0] = '\0';
|
---|
453 | }
|
---|
454 |
|
---|
455 | // DVD
|
---|
456 |
|
---|
457 | if (bkpinfo->backup_media_type == dvd) {
|
---|
458 | if (!(find_home_of_exe("growisofs"))) {
|
---|
459 | fatal_error("Please install growisofs.");
|
---|
460 | }
|
---|
461 | if (bkpinfo->nonbootable_backup) {
|
---|
462 | asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_NONBOOT);
|
---|
463 | } else if
|
---|
464 | #ifdef __FreeBSD__
|
---|
465 | (TRUE)
|
---|
466 | #else
|
---|
467 | (bkpinfo->make_cd_use_lilo)
|
---|
468 | #endif
|
---|
469 | #ifdef __IA64__
|
---|
470 | {
|
---|
471 | asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_ELILO);
|
---|
472 | }
|
---|
473 | #else
|
---|
474 | {
|
---|
475 | asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_LILO);
|
---|
476 | }
|
---|
477 | #endif
|
---|
478 | else
|
---|
479 | {
|
---|
480 | asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_SYSLINUX);
|
---|
481 | }
|
---|
482 | if (bkpinfo->manual_cd_tray) {
|
---|
483 | fatal_error("Manual CD tray + DVD not supported yet.");
|
---|
484 | // -m isn't supported by growisofs, BTW...
|
---|
485 | } else {
|
---|
486 | sprintf(bkpinfo->call_make_iso,
|
---|
487 | "%s %s -Z %s . 2>> _ERR_",
|
---|
488 | mondo_mkisofs_sz, "", bkpinfo->media_device);
|
---|
489 | }
|
---|
490 | paranoid_free(mondo_mkisofs_sz);
|
---|
491 |
|
---|
492 | if (getenv("SUDO_COMMAND")) {
|
---|
493 | fatal_error
|
---|
494 | ("Can't write DVDs as sudo because growisofs doesn't support this - please see the growisofs manpage for details.");
|
---|
495 | }
|
---|
496 | log_msg(2, "call_make_iso (DVD res) is ... %s",
|
---|
497 | bkpinfo->call_make_iso);
|
---|
498 | } // end of DVD code
|
---|
499 |
|
---|
500 | // CD-R or CD-RW
|
---|
501 | if (bkpinfo->backup_media_type == cdrw
|
---|
502 | || bkpinfo->backup_media_type == cdr) {
|
---|
503 | if (!bkpinfo->manual_cd_tray) {
|
---|
504 | asprintf(&extra_cdrom_params, "-waiti ");
|
---|
505 | }
|
---|
506 | if (bkpinfo->backup_media_type == cdrw) {
|
---|
507 | if (extra_cdrom_params != NULL) {
|
---|
508 | asprintf(&tmp, extra_cdrom_params);
|
---|
509 | paranoid_free(extra_cdrom_params);
|
---|
510 | asprintf(&extra_cdrom_params, "%s blank=fast ", tmp);
|
---|
511 | } else {
|
---|
512 | asprintf(&extra_cdrom_params, "blank=fast ");
|
---|
513 | }
|
---|
514 | }
|
---|
515 | if (find_home_of_exe("cdrecord")) {
|
---|
516 | asprintf(&cdr_exe, "cdrecord");
|
---|
517 | } else if (find_home_of_exe("dvdrecord")) {
|
---|
518 | asprintf(&cdr_exe, "dvdrecord");
|
---|
519 | } else {
|
---|
520 | fatal_error("Please install either cdrecord or dvdrecord.");
|
---|
521 | }
|
---|
522 | if (bkpinfo->nonbootable_backup) {
|
---|
523 | asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_NONBOOT);
|
---|
524 | } else if
|
---|
525 | #ifdef __FreeBSD__
|
---|
526 | (TRUE)
|
---|
527 | #else
|
---|
528 | (bkpinfo->make_cd_use_lilo)
|
---|
529 | #endif
|
---|
530 | #ifdef __IA64__
|
---|
531 | {
|
---|
532 | asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_ELILO);
|
---|
533 | }
|
---|
534 | #else
|
---|
535 | {
|
---|
536 | asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_LILO);
|
---|
537 | }
|
---|
538 | #endif
|
---|
539 | else
|
---|
540 | {
|
---|
541 | asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_SYSLINUX);
|
---|
542 | }
|
---|
543 | if (bkpinfo->manual_cd_tray) {
|
---|
544 | if (bkpinfo->call_before_iso[0] == '\0') {
|
---|
545 | sprintf(bkpinfo->call_before_iso,
|
---|
546 | "%s -o %s/temporary.iso . 2>> _ERR_",
|
---|
547 | mondo_mkisofs_sz, bkpinfo->tmpdir);
|
---|
548 | } else {
|
---|
549 | strncpy(call_before_iso_user, bkpinfo->call_before_iso, MAX_STR_LEN);
|
---|
550 | sprintf (bkpinfo->call_before_iso,
|
---|
551 | "( %s -o %s/temporary.iso . 2>> _ERR_ ; %s )",
|
---|
552 | mondo_mkisofs_sz, bkpinfo->tmpdir, call_before_iso_user);
|
---|
553 | }
|
---|
554 | log_it("bkpinfo->call_before_iso = %s", bkpinfo->call_before_iso);
|
---|
555 | sprintf(bkpinfo->call_make_iso,
|
---|
556 | "%s %s -v %s fs=4m dev=%s speed=%d %s/temporary.iso",
|
---|
557 | cdr_exe, (bkpinfo->please_dont_eject) ? " " : "-eject",
|
---|
558 | extra_cdrom_params, bkpinfo->media_device,
|
---|
559 | bkpinfo->cdrw_speed, bkpinfo->tmpdir);
|
---|
560 | } else {
|
---|
561 | sprintf(bkpinfo->call_make_iso,
|
---|
562 | "%s . 2>> _ERR_ | %s %s %s fs=4m dev=%s speed=%d -",
|
---|
563 | mondo_mkisofs_sz, cdr_exe,
|
---|
564 | (bkpinfo->please_dont_eject) ? " " : "-eject",
|
---|
565 | extra_cdrom_params, bkpinfo->media_device,
|
---|
566 | bkpinfo->cdrw_speed);
|
---|
567 | }
|
---|
568 | paranoid_free(mondo_mkisofs_sz);
|
---|
569 | paranoid_free(cdr_exe);
|
---|
570 | paranoid_free(extra_cdrom_params);
|
---|
571 | } // end of CD code
|
---|
572 |
|
---|
573 | if (bkpinfo->backup_media_type == iso) {
|
---|
574 |
|
---|
575 | /* Patch by Conor Daly <conor.daly@met.ie>
|
---|
576 | * 23-june-2004
|
---|
577 | * Break up isodir into iso_mnt and iso_path
|
---|
578 | * These will be used along with iso-dev at restore time
|
---|
579 | * to locate the ISOs where ever they're mounted
|
---|
580 | */
|
---|
581 |
|
---|
582 | log_it("isodir = %s", bkpinfo->isodir);
|
---|
583 | asprintf(&command, "df -P %s | tail -n1 | cut -d' ' -f1",
|
---|
584 | bkpinfo->isodir);
|
---|
585 | log_it("command = %s", command);
|
---|
586 | asprintf(&tmp, call_program_and_get_last_line_of_output(command));
|
---|
587 | paranoid_free(command);
|
---|
588 | log_it("res of it = %s", tmp);
|
---|
589 | asprintf(&tmp1, "%s/ISO-DEV", bkpinfo->tmpdir);
|
---|
590 | write_one_liner_data_file(tmp1, tmp);
|
---|
591 | paranoid_free(tmp1);
|
---|
592 |
|
---|
593 | asprintf(&command, "mount | grep -w %s | tail -n1 | cut -d' ' -f3",
|
---|
594 | tmp);
|
---|
595 | paranoid_free(tmp);
|
---|
596 | log_it("command = %s", command);
|
---|
597 | asprintf(&tmp, call_program_and_get_last_line_of_output(command));
|
---|
598 | paranoid_free(command);
|
---|
599 | log_it("res of it = %s", tmp);
|
---|
600 |
|
---|
601 | asprintf(&tmp1, "%s/ISO-MNT", bkpinfo->tmpdir);
|
---|
602 | write_one_liner_data_file(tmp1, tmp);
|
---|
603 | paranoid_free(tmp1);
|
---|
604 |
|
---|
605 | log_it("isomnt: %s, %d", tmp, strlen(tmp));
|
---|
606 | if (strlen(bkpinfo->isodir) < strlen(tmp)) {
|
---|
607 | asprintf(&iso_path, " ");
|
---|
608 | } else {
|
---|
609 | asprintf(&iso_path, "%s", bkpinfo->isodir + strlen(tmp));
|
---|
610 | }
|
---|
611 | paranoid_free(tmp);
|
---|
612 |
|
---|
613 | asprintf(&tmp, "%s/ISODIR", bkpinfo->tmpdir);
|
---|
614 | write_one_liner_data_file(tmp, iso_path);
|
---|
615 | paranoid_free(tmp);
|
---|
616 | log_it("isodir: %s", iso_path);
|
---|
617 | paranoid_free(iso_path);
|
---|
618 | asprintf(&tmp, "%s/ISO-PREFIX", bkpinfo->tmpdir);
|
---|
619 | write_one_liner_data_file(tmp, bkpinfo->prefix);
|
---|
620 | log_it("iso-prefix: %s", bkpinfo->prefix);
|
---|
621 | paranoid_free(tmp);
|
---|
622 | /* End patch */
|
---|
623 | } // end of iso code
|
---|
624 |
|
---|
625 | if (bkpinfo->backup_media_type == nfs) {
|
---|
626 | asprintf(&hostname, bkpinfo->nfs_mount);
|
---|
627 | colon = strchr(hostname, ':');
|
---|
628 | if (!colon) {
|
---|
629 | log_it("nfs mount doesn't have a colon in it");
|
---|
630 | retval++;
|
---|
631 | } else {
|
---|
632 | struct hostent *hent;
|
---|
633 |
|
---|
634 | *colon = '\0';
|
---|
635 | hent = gethostbyname(hostname);
|
---|
636 | if (!hent) {
|
---|
637 | log_it("Can't resolve NFS mount (%s): %s", hostname,
|
---|
638 | hstrerror(h_errno));
|
---|
639 | retval++;
|
---|
640 | } else {
|
---|
641 | asprintf(&ip_address, "%s%s", inet_ntoa((struct in_addr)
|
---|
642 | *((struct in_addr
|
---|
643 | *) hent->
|
---|
644 | h_addr)),
|
---|
645 | strchr(bkpinfo->nfs_mount, ':'));
|
---|
646 | strcpy(bkpinfo->nfs_mount, ip_address);
|
---|
647 | paranoid_free(ip_address);
|
---|
648 | }
|
---|
649 | }
|
---|
650 | store_nfs_config(bkpinfo);
|
---|
651 | paranoid_free(hostname);
|
---|
652 | }
|
---|
653 |
|
---|
654 | log_it("Finished processing incoming params");
|
---|
655 | if (retval) {
|
---|
656 | fprintf(stderr, "Type 'man mondoarchive' for help.\n");
|
---|
657 | }
|
---|
658 | asprintf(&tmp, "%s", MONDO_TMPISOS);
|
---|
659 | if (does_file_exist(tmp)) {
|
---|
660 | unlink(tmp);
|
---|
661 | }
|
---|
662 | paranoid_free(tmp);
|
---|
663 |
|
---|
664 | if (strlen(bkpinfo->tmpdir) < 2 || strlen(bkpinfo->scratchdir) < 2) {
|
---|
665 | log_it("tmpdir or scratchdir are blank/missing");
|
---|
666 | retval++;
|
---|
667 | }
|
---|
668 | if (bkpinfo->include_paths[0] == '\0') {
|
---|
669 | // fatal_error ("Why no backup path?");
|
---|
670 | strcpy(bkpinfo->include_paths, "/");
|
---|
671 | }
|
---|
672 | chmod(bkpinfo->scratchdir, 0700);
|
---|
673 | chmod(bkpinfo->tmpdir, 0700);
|
---|
674 | g_backup_media_type = bkpinfo->backup_media_type;
|
---|
675 | return (retval);
|
---|
676 | }
|
---|
677 |
|
---|
678 |
|
---|
679 |
|
---|
680 | /**
|
---|
681 | * Do some miscellaneous setup tasks to be performed before filling @c bkpinfo.
|
---|
682 | * Seeds the random-number generator, loads important modules, checks the sanity
|
---|
683 | * of the user's Linux distribution, and deletes logfile.
|
---|
684 | * @param bkpinfo The backup information structure. Will be initialized.
|
---|
685 | * @return number of errors (0 for success)
|
---|
686 | */
|
---|
687 | int pre_param_configuration(struct s_bkpinfo *bkpinfo)
|
---|
688 | {
|
---|
689 | int res = 0;
|
---|
690 |
|
---|
691 | make_hole_for_dir(MNT_CDROM);
|
---|
692 | assert(bkpinfo != NULL);
|
---|
693 | srandom((unsigned long) (time(NULL)));
|
---|
694 | insmod_crucial_modules();
|
---|
695 | reset_bkpinfo(bkpinfo); // also sets defaults ('/'=backup path, 3=compression level)
|
---|
696 | if (bkpinfo->disaster_recovery) {
|
---|
697 | if (!does_nonMS_partition_exist()) {
|
---|
698 | fatal_error
|
---|
699 | ("I am in disaster recovery mode\nPlease don't run mondoarchive.");
|
---|
700 | }
|
---|
701 | }
|
---|
702 |
|
---|
703 | unlink(MONDO_TRACEFILE);
|
---|
704 | run_program_and_log_output("rm -Rf /tmp/changed.files*", FALSE);
|
---|
705 | if ((g_mondo_home = find_and_store_mondoarchives_home()) == NULL) {
|
---|
706 | fprintf(stderr,
|
---|
707 | "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");
|
---|
708 | res++;
|
---|
709 | return (res);
|
---|
710 | }
|
---|
711 | res += some_basic_system_sanity_checks();
|
---|
712 | if (res) {
|
---|
713 | log_it("Your distribution did not pass Mondo's sanity test.");
|
---|
714 | }
|
---|
715 | g_current_media_number = 1;
|
---|
716 | bkpinfo->postnuke_tarball[0] = bkpinfo->nfs_mount[0] = '\0';
|
---|
717 | return (res);
|
---|
718 | }
|
---|
719 |
|
---|
720 |
|
---|
721 |
|
---|
722 |
|
---|
723 | /**
|
---|
724 | * Reset all fields of the backup information structure to a sensible default.
|
---|
725 | * @param bkpinfo The @c bkpinfo to reset.
|
---|
726 | */
|
---|
727 | void reset_bkpinfo(struct s_bkpinfo *bkpinfo)
|
---|
728 | {
|
---|
729 | int i;
|
---|
730 |
|
---|
731 | log_msg(1, "Hi");
|
---|
732 | assert(bkpinfo != NULL);
|
---|
733 | memset((void *) bkpinfo, 0, sizeof(struct s_bkpinfo));
|
---|
734 | bkpinfo->manual_cd_tray = FALSE;
|
---|
735 | bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
|
---|
736 | paranoid_free(bkpinfo->media_device);
|
---|
737 | for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
|
---|
738 | bkpinfo->media_size[i] = -1;
|
---|
739 | }
|
---|
740 | bkpinfo->boot_loader = '\0';
|
---|
741 | bkpinfo->boot_device[0] = '\0';
|
---|
742 | bkpinfo->zip_exe[0] = '\0';
|
---|
743 | bkpinfo->zip_suffix[0] = '\0';
|
---|
744 | bkpinfo->restore_path[0] = '\0';
|
---|
745 | bkpinfo->use_lzo = FALSE;
|
---|
746 | bkpinfo->do_not_compress_these[0] = '\0';
|
---|
747 | bkpinfo->verify_data = FALSE;
|
---|
748 | bkpinfo->backup_data = FALSE;
|
---|
749 | bkpinfo->restore_data = FALSE;
|
---|
750 | bkpinfo->disaster_recovery =
|
---|
751 | (am_I_in_disaster_recovery_mode()? TRUE : FALSE);
|
---|
752 | if (bkpinfo->disaster_recovery) {
|
---|
753 | strcpy(bkpinfo->isodir, "/");
|
---|
754 | } else {
|
---|
755 | strcpy(bkpinfo->isodir, "/root/images/mondo");
|
---|
756 | }
|
---|
757 | strcpy(bkpinfo->prefix, STD_PREFIX);
|
---|
758 |
|
---|
759 | bkpinfo->scratchdir[0] = '\0';
|
---|
760 | bkpinfo->make_filelist = TRUE; // unless -J supplied to mondoarchive
|
---|
761 | sprintf(bkpinfo->tmpdir, "/tmp/tmpfs/mondo.tmp.%d", (int) (random() % 32768)); // for mondorestore
|
---|
762 | bkpinfo->optimal_set_size = 0;
|
---|
763 | bkpinfo->backup_media_type = none;
|
---|
764 | strcpy(bkpinfo->include_paths, "/");
|
---|
765 | bkpinfo->exclude_paths[0] = '\0';
|
---|
766 | bkpinfo->call_before_iso[0] = '\0';
|
---|
767 | bkpinfo->call_make_iso[0] = '\0';
|
---|
768 | bkpinfo->call_burn_iso[0] = '\0';
|
---|
769 | bkpinfo->call_after_iso[0] = '\0';
|
---|
770 | bkpinfo->image_devs[0] = '\0';
|
---|
771 | bkpinfo->postnuke_tarball[0] = '\0';
|
---|
772 | bkpinfo->kernel_path[0] = '\0';
|
---|
773 | bkpinfo->nfs_mount[0] = '\0';
|
---|
774 | bkpinfo->nfs_remote_dir[0] = '\0';
|
---|
775 | bkpinfo->wipe_media_first = FALSE;
|
---|
776 | bkpinfo->differential = FALSE;
|
---|
777 | bkpinfo->cdrw_speed = 0;
|
---|
778 | // patch by Herman Kuster
|
---|
779 | bkpinfo->differential = 0;
|
---|
780 | // patch end
|
---|
781 | bkpinfo->compression_level = 3;
|
---|
782 | }
|
---|
783 |
|
---|
784 |
|
---|
785 |
|
---|
786 |
|
---|
787 | /**
|
---|
788 | * Get the remaining free space (in MB) on @p partition.
|
---|
789 | * @param partition The partition to check free space on (either a device or a mountpoint).
|
---|
790 | * @return The free space on @p partition, in MB.
|
---|
791 | */
|
---|
792 | long free_space_on_given_partition(char *partition)
|
---|
793 | {
|
---|
794 | char *command, *out_sz;
|
---|
795 | long res;
|
---|
796 |
|
---|
797 | assert_string_is_neither_NULL_nor_zerolength(partition);
|
---|
798 |
|
---|
799 | asprintf(&command, "df -m %s &> /dev/null", partition);
|
---|
800 | if (system(command)) {
|
---|
801 | return (-1);
|
---|
802 | } // partition does not exist
|
---|
803 | paranoid_free(command);
|
---|
804 |
|
---|
805 | asprintf(&command, "df -m %s | tail -n1 | tr -s ' ' '\t' | cut -f4",
|
---|
806 | partition);
|
---|
807 | asprintf(&out_sz, call_program_and_get_last_line_of_output(command));
|
---|
808 | paranoid_free(command);
|
---|
809 | if (strlen(out_sz) == 0) {
|
---|
810 | return (-1);
|
---|
811 | } // error within df, probably
|
---|
812 | res = atol(out_sz);
|
---|
813 | paranoid_free(out_sz);
|
---|
814 | return (res);
|
---|
815 | }
|
---|
816 |
|
---|
817 |
|
---|
818 |
|
---|
819 | /**
|
---|
820 | * Check the user's system for sanity. Checks performed:
|
---|
821 | * - make sure user has enough RAM (32mb required, 64mb recommended)
|
---|
822 | * - make sure user has enough free space in @c /
|
---|
823 | * - check kernel for ramdisk support
|
---|
824 | * - make sure afio, cdrecord, mkisofs, bzip2, awk, md5sum, strings, mindi, and buffer exist
|
---|
825 | * - make sure CD-ROM is unmounted
|
---|
826 | * - make sure /etc/modules.conf exists
|
---|
827 | * - make sure user's mountlist is OK by running <tt>mindi --makemountlist</tt>
|
---|
828 | *
|
---|
829 | * @return number of problems with the user's setup (0 for success)
|
---|
830 | */
|
---|
831 | int some_basic_system_sanity_checks()
|
---|
832 | {
|
---|
833 |
|
---|
834 | /*@ buffers ************ */
|
---|
835 | char *tmp;
|
---|
836 |
|
---|
837 | /*@ int's *************** */
|
---|
838 | int retval = 0;
|
---|
839 | long Lres;
|
---|
840 |
|
---|
841 |
|
---|
842 | mvaddstr_and_log_it(g_currentY, 0,
|
---|
843 | "Checking sanity of your Linux distribution");
|
---|
844 | #ifndef __FreeBSD__
|
---|
845 | if (system("which mkfs.vfat &> /dev/null")
|
---|
846 | && !system("which mkfs.msdos &> /dev/null")) {
|
---|
847 | log_it
|
---|
848 | ("OK, you've got mkfs.msdos but not mkfs.vfat; time for the fairy to wave her magic wand...");
|
---|
849 | run_program_and_log_output
|
---|
850 | ("ln -sf `which mkfs.msdos` /sbin/mkfs.vfat", FALSE);
|
---|
851 | }
|
---|
852 | asprintf(&tmp,
|
---|
853 | call_program_and_get_last_line_of_output
|
---|
854 | ("free | grep Mem | head -n1 | tr -s ' ' '\t' | cut -f2"));
|
---|
855 | if (atol(tmp) < 35000) {
|
---|
856 | retval++;
|
---|
857 | log_to_screen("You must have at least 32MB of RAM to use Mondo.");
|
---|
858 | }
|
---|
859 | if (atol(tmp) < 66000) {
|
---|
860 | log_to_screen
|
---|
861 | ("WARNING! You have very little RAM. Please upgrade to 64MB or more.");
|
---|
862 | }
|
---|
863 | paranoid_free(tmp);
|
---|
864 | #endif
|
---|
865 |
|
---|
866 | if ((Lres = free_space_on_given_partition("/root")) == -1) {
|
---|
867 | Lres = free_space_on_given_partition("/");
|
---|
868 | }
|
---|
869 | log_it("Free space on given partition = %ld MB", Lres);
|
---|
870 |
|
---|
871 | if (Lres < 50) {
|
---|
872 | run_program_and_log_output
|
---|
873 | ("rm -Rf /root/images/mindi; mkdir -p /home/root/images/mindi; mkdir -p /root/images; ln -sf /home/root/images/mindi /root/images/mindi",
|
---|
874 | 3);
|
---|
875 | // fatal_error("Your / (or /root) partition has <50MB free. Please adjust your partition table to something saner.");
|
---|
876 | }
|
---|
877 |
|
---|
878 | if (system("which " MKE2FS_OR_NEWFS " > /dev/null 2> /dev/null")) {
|
---|
879 | retval++;
|
---|
880 | log_to_screen
|
---|
881 | ("Unable to find " MKE2FS_OR_NEWFS " in system path.");
|
---|
882 | fatal_error
|
---|
883 | ("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. :)");
|
---|
884 | }
|
---|
885 | #ifndef __FreeBSD__
|
---|
886 | if (run_program_and_log_output
|
---|
887 | ("cat /proc/devices | grep ramdisk", FALSE)) {
|
---|
888 | if (!ask_me_yes_or_no
|
---|
889 | ("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?"))
|
---|
890 | {
|
---|
891 | // retval++;
|
---|
892 | log_to_screen
|
---|
893 | ("It looks as if your kernel lacks ramdisk and initrd support.");
|
---|
894 | log_to_screen
|
---|
895 | ("I'll allow you to proceed but FYI, if I'm right, your kernel is broken.");
|
---|
896 | }
|
---|
897 | }
|
---|
898 | #endif
|
---|
899 | retval += whine_if_not_found(MKE2FS_OR_NEWFS);
|
---|
900 | retval += whine_if_not_found("mkisofs");
|
---|
901 | if (system("which dvdrecord > /dev/null 2> /dev/null")) {
|
---|
902 | retval += whine_if_not_found("cdrecord");
|
---|
903 | }
|
---|
904 | retval += whine_if_not_found("bzip2");
|
---|
905 | retval += whine_if_not_found("awk");
|
---|
906 | retval += whine_if_not_found("md5sum");
|
---|
907 | retval += whine_if_not_found("strings");
|
---|
908 | retval += whine_if_not_found("mindi");
|
---|
909 | retval += whine_if_not_found("buffer");
|
---|
910 |
|
---|
911 | // abort if Windows partition but no ms-sys and parted
|
---|
912 | if (!run_program_and_log_output
|
---|
913 | ("mount | grep -w vfat | grep -v /dev/fd | grep -v nexdisk", 0)
|
---|
914 | ||
|
---|
915 | !run_program_and_log_output
|
---|
916 | ("mount | grep -w dos | grep -v /dev/fd | grep -v nexdisk", 0)) {
|
---|
917 | log_to_screen("I think you have a Windows 9x partition.");
|
---|
918 | retval += whine_if_not_found("parted");
|
---|
919 | #ifndef __IA64__
|
---|
920 | /* IA64 always has one vfat partition for EFI even without Windows */
|
---|
921 | // retval +=
|
---|
922 | if (!find_home_of_exe("ms-sys")) {
|
---|
923 | log_to_screen("Please install ms-sys just in case.");
|
---|
924 | }
|
---|
925 | #endif
|
---|
926 | }
|
---|
927 |
|
---|
928 | if (!find_home_of_exe("cmp")) {
|
---|
929 | if (!find_home_of_exe("true")) {
|
---|
930 | whine_if_not_found("cmp");
|
---|
931 | } else {
|
---|
932 | log_to_screen
|
---|
933 | ("Your system lacks the 'cmp' binary. I'll create a dummy cmp for you.");
|
---|
934 | if (run_program_and_log_output
|
---|
935 | ("cp -f `which true` /usr/bin/cmp", 0)) {
|
---|
936 | fatal_error("Failed to create dummy 'cmp' file.");
|
---|
937 | }
|
---|
938 | }
|
---|
939 | }
|
---|
940 | run_program_and_log_output
|
---|
941 | ("umount `mount | grep cdr | cut -d' ' -f3 | tr '\n' ' '`", 5);
|
---|
942 | asprintf(&tmp,
|
---|
943 | call_program_and_get_last_line_of_output
|
---|
944 | ("mount | grep -E \"cdr(om|w)\""));
|
---|
945 | if (strcmp("", tmp)) {
|
---|
946 | if (strstr(tmp, "autofs")) {
|
---|
947 | log_to_screen
|
---|
948 | ("Your CD-ROM is mounted via autofs. I therefore cannot tell");
|
---|
949 | log_to_screen
|
---|
950 | ("if a CD actually is inserted. If a CD is inserted, please");
|
---|
951 | log_to_screen("eject it. Thank you.");
|
---|
952 | log_it
|
---|
953 | ("Ignoring autofs CD-ROM 'mount' since we hope nothing's in it.");
|
---|
954 | } else
|
---|
955 | if (run_program_and_log_output("uname -a | grep Knoppix", 5)) {
|
---|
956 | retval++;
|
---|
957 | fatal_error
|
---|
958 | ("Your CD-ROM drive is mounted. Please unmount it.");
|
---|
959 | }
|
---|
960 | }
|
---|
961 | paranoid_free(tmp);
|
---|
962 | #ifndef __FreeBSD__
|
---|
963 | if (!does_file_exist("/etc/modules.conf")) {
|
---|
964 | if (does_file_exist("/etc/conf.modules")) {
|
---|
965 | log_it("Linking /etc/modules.conf to /etc/conf.modules");
|
---|
966 | run_program_and_log_output
|
---|
967 | ("ln -sf /etc/conf.modules /etc/modules.conf", 5);
|
---|
968 | } else if (does_file_exist("/etc/modprobe.d")) {
|
---|
969 | log_it
|
---|
970 | ("Directory /etc/modprobe.d found. mindi will use its contents.");
|
---|
971 | } else if (does_file_exist("/etc/modprobe.conf")) {
|
---|
972 | log_it("Linking /etc/modules.conf to /etc/modprobe.conf");
|
---|
973 | run_program_and_log_output
|
---|
974 | ("ln -sf /etc/modprobe.conf /etc/modules.conf", 5);
|
---|
975 | } else {
|
---|
976 | retval++;
|
---|
977 | log_to_screen
|
---|
978 | ("Please find out what happened to /etc/modules.conf");
|
---|
979 | }
|
---|
980 | }
|
---|
981 | #endif
|
---|
982 |
|
---|
983 | run_program_and_log_output("cat /etc/fstab", 5);
|
---|
984 | #ifdef __FreeBSD__
|
---|
985 | run_program_and_log_output("vinum printconfig", 5);
|
---|
986 | #else
|
---|
987 | run_program_and_log_output("cat /etc/raidtab", 5);
|
---|
988 | #endif
|
---|
989 |
|
---|
990 | if (run_program_and_log_output("mindi -V", 1)) {
|
---|
991 | log_to_screen("Could not ascertain mindi's version number.");
|
---|
992 | log_to_screen
|
---|
993 | ("You have not installed Mondo and/or Mindi properly.");
|
---|
994 | log_to_screen("Please uninstall and reinstall them both.");
|
---|
995 | fatal_error("Please reinstall Mondo and Mindi.");
|
---|
996 | }
|
---|
997 | if (run_program_and_log_output
|
---|
998 | ("mindi --makemountlist /tmp/mountlist.txt.test", 5)) {
|
---|
999 | log_to_screen
|
---|
1000 | ("Mindi --makemountlist /tmp/mountlist.txt.test failed for some reason.");
|
---|
1001 | log_to_screen
|
---|
1002 | ("Please run that command by hand and examine /var/log/mindi.log");
|
---|
1003 | log_to_screen
|
---|
1004 | ("for more information. Perhaps your /etc/fstab file is insane.");
|
---|
1005 | log_to_screen
|
---|
1006 | ("Perhaps Mindi's MakeMountlist() subroutine has a bug. We'll see.");
|
---|
1007 | retval++;
|
---|
1008 | }
|
---|
1009 |
|
---|
1010 | if (!run_program_and_log_output("fdisk -l | grep -i raid", 1)
|
---|
1011 | && !does_file_exist("/etc/raidtab")) {
|
---|
1012 | log_to_screen
|
---|
1013 | ("You have RAID partitions but no /etc/raidtab - creating one from /proc/mdstat");
|
---|
1014 | create_raidtab_from_mdstat("/etc/raidtab", "/proc/mdstat");
|
---|
1015 | }
|
---|
1016 |
|
---|
1017 | if (retval) {
|
---|
1018 | mvaddstr_and_log_it(g_currentY++, 74, "Failed.");
|
---|
1019 | } else {
|
---|
1020 | mvaddstr_and_log_it(g_currentY++, 74, "Done.");
|
---|
1021 | }
|
---|
1022 | return (retval);
|
---|
1023 | }
|
---|
1024 |
|
---|
1025 | /**
|
---|
1026 | * Retrieve the line containing @p label from the config file.
|
---|
1027 | * @param config_file The file to read from, usually @c /tmp/mondo-restore.cfg.
|
---|
1028 | * @param label What to read from the file.
|
---|
1029 | * @param value Where to put it.
|
---|
1030 | * @return 0 for success, 1 for failure.
|
---|
1031 | */
|
---|
1032 | int read_cfg_var(char *config_file, char *label, char *value)
|
---|
1033 | {
|
---|
1034 | /*@ buffer ****************************************************** */
|
---|
1035 | char *command;
|
---|
1036 | char *tmp;
|
---|
1037 |
|
---|
1038 | /*@ end vars *************************************************** */
|
---|
1039 |
|
---|
1040 | assert_string_is_neither_NULL_nor_zerolength(config_file);
|
---|
1041 | assert_string_is_neither_NULL_nor_zerolength(label);
|
---|
1042 | if (!does_file_exist(config_file)) {
|
---|
1043 | asprintf(&tmp, "(read_cfg_var) Cannot find %s config file",
|
---|
1044 | config_file);
|
---|
1045 | log_to_screen(tmp);
|
---|
1046 | paranoid_free(tmp);
|
---|
1047 | value[0] = '\0';
|
---|
1048 | return (1);
|
---|
1049 | } else if (strstr(value, "/dev/") && strstr(value, "t0")
|
---|
1050 | && !strcmp(label, "media-dev")) {
|
---|
1051 | log_msg(2, "FYI, I shan't read new value for %s - already got %s",
|
---|
1052 | label, value);
|
---|
1053 | return (0);
|
---|
1054 | } else {
|
---|
1055 | asprintf(&command, "grep '%s .*' %s| cut -d' ' -f2,3,4,5",
|
---|
1056 | label, config_file);
|
---|
1057 | strcpy(value, call_program_and_get_last_line_of_output(command));
|
---|
1058 | paranoid_free(command);
|
---|
1059 | if (strlen(value) == 0) {
|
---|
1060 | return (1);
|
---|
1061 | } else {
|
---|
1062 | return (0);
|
---|
1063 | }
|
---|
1064 | }
|
---|
1065 | }
|
---|
1066 |
|
---|
1067 |
|
---|
1068 |
|
---|
1069 | /**
|
---|
1070 | * Remount @c supermount if it was unmounted earlier.
|
---|
1071 | */
|
---|
1072 | void remount_supermounts_if_necessary()
|
---|
1073 | {
|
---|
1074 | if (g_remount_cdrom_at_end) {
|
---|
1075 | run_program_and_log_output("mount " MNT_CDROM, FALSE);
|
---|
1076 | }
|
---|
1077 | if (g_remount_floppy_at_end) {
|
---|
1078 | run_program_and_log_output("mount " MNT_FLOPPY, FALSE);
|
---|
1079 | }
|
---|
1080 | }
|
---|
1081 |
|
---|
1082 | /**
|
---|
1083 | * Unmount @c supermount if it's mounted.
|
---|
1084 | */
|
---|
1085 | void unmount_supermounts_if_necessary()
|
---|
1086 | {
|
---|
1087 | if (run_program_and_log_output
|
---|
1088 | ("mount | grep cdrom | grep super", FALSE) == 0) {
|
---|
1089 | g_remount_cdrom_at_end = TRUE;
|
---|
1090 | run_program_and_log_output("umount " MNT_CDROM, FALSE);
|
---|
1091 | }
|
---|
1092 | if (run_program_and_log_output
|
---|
1093 | ("mount | grep floppy | grep super", FALSE) == 0) {
|
---|
1094 | g_remount_floppy_at_end = TRUE;
|
---|
1095 | run_program_and_log_output("umount " MNT_FLOPPY, FALSE);
|
---|
1096 | }
|
---|
1097 | }
|
---|
1098 |
|
---|
1099 | /**
|
---|
1100 | * If this is a distribution like Gentoo that doesn't keep /boot mounted, mount it.
|
---|
1101 | */
|
---|
1102 | void mount_boot_if_necessary()
|
---|
1103 | {
|
---|
1104 | char *tmp;
|
---|
1105 | char *tmp1;
|
---|
1106 | char *command;
|
---|
1107 |
|
---|
1108 | log_msg(1, "Started sub");
|
---|
1109 | log_msg(4, "About to set g_boot_mountpt to \"\"");
|
---|
1110 | asprintf(&g_boot_mountpt, "");
|
---|
1111 | log_msg(4, "Done. Great. Seeting command to something");
|
---|
1112 | asprintf(&command,
|
---|
1113 | "cat /etc/fstab | grep -v \":\" | grep -vx \"#.*\" | grep -w \"/boot\" | tr -s ' ' '\t' | cut -f1 | head -n1");
|
---|
1114 | log_msg(4, "Cool. Command = '%s'", command);
|
---|
1115 | asprintf(&tmp, call_program_and_get_last_line_of_output(command));
|
---|
1116 | paranoid_free(command);
|
---|
1117 |
|
---|
1118 | log_msg(4, "tmp = '%s'", tmp);
|
---|
1119 | if (tmp[0]) {
|
---|
1120 | log_it("/boot is at %s according to /etc/fstab", tmp);
|
---|
1121 | if (strstr(tmp, "LABEL=")) {
|
---|
1122 | if (!run_program_and_log_output("mount /boot", 5)) {
|
---|
1123 | paranoid_free(g_boot_mountpt);
|
---|
1124 | asprintf(&g_boot_mountpt, "/boot");
|
---|
1125 | log_msg(1, "Mounted /boot");
|
---|
1126 | } else {
|
---|
1127 | log_it("...ignored cos it's a label :-)");
|
---|
1128 | }
|
---|
1129 | } else {
|
---|
1130 | asprintf(&command, "mount | grep -w \"%s\"", tmp);
|
---|
1131 | log_msg(3, "command = %s", command);
|
---|
1132 | if (run_program_and_log_output(command, 5)) {
|
---|
1133 | paranoid_free(g_boot_mountpt);
|
---|
1134 | asprintf(&g_boot_mountpt, tmp);
|
---|
1135 | asprintf(&tmp1,
|
---|
1136 | "%s (your /boot partition) is not mounted. I'll mount it before backing up",
|
---|
1137 | g_boot_mountpt);
|
---|
1138 | log_it(tmp1);
|
---|
1139 | paranoid_free(tmp1);
|
---|
1140 |
|
---|
1141 | asprintf(&tmp1, "mount %s", g_boot_mountpt);
|
---|
1142 | if (run_program_and_log_output(tmp1, 5)) {
|
---|
1143 | paranoid_free(g_boot_mountpt);
|
---|
1144 | asprintf(&g_boot_mountpt, " ");
|
---|
1145 | log_msg(1, "Plan B");
|
---|
1146 | if (!run_program_and_log_output("mount /boot", 5)) {
|
---|
1147 | paranoid_free(g_boot_mountpt);
|
---|
1148 | asprintf(&g_boot_mountpt, "/boot");
|
---|
1149 | log_msg(1, "Plan B worked");
|
---|
1150 | } else {
|
---|
1151 | log_msg(1,
|
---|
1152 | "Plan B failed. Unable to mount /boot for backup purposes. This probably means /boot is mounted already, or doesn't have its own partition.");
|
---|
1153 | }
|
---|
1154 | }
|
---|
1155 | paranoid_free(tmp1);
|
---|
1156 | }
|
---|
1157 | paranoid_free(command);
|
---|
1158 | }
|
---|
1159 | }
|
---|
1160 | paranoid_free(tmp);
|
---|
1161 | log_msg(1, "Ended sub");
|
---|
1162 | }
|
---|
1163 |
|
---|
1164 |
|
---|
1165 | /**
|
---|
1166 | * If we mounted /boot earlier, unmount it.
|
---|
1167 | */
|
---|
1168 | void unmount_boot_if_necessary()
|
---|
1169 | {
|
---|
1170 | char *tmp;
|
---|
1171 |
|
---|
1172 | log_msg(3, "starting");
|
---|
1173 | if (g_boot_mountpt[0]) {
|
---|
1174 | asprintf(&tmp, "umount %s", g_boot_mountpt);
|
---|
1175 | if (run_program_and_log_output(tmp, 5)) {
|
---|
1176 | log_it("WARNING - unable to unmount /boot");
|
---|
1177 | }
|
---|
1178 | paranoid_free(tmp);
|
---|
1179 | }
|
---|
1180 | log_msg(3, "leaving");
|
---|
1181 | }
|
---|
1182 |
|
---|
1183 |
|
---|
1184 |
|
---|
1185 | /**
|
---|
1186 | * Write a line to a configuration file. Writes a line of the form,
|
---|
1187 | * @c label @c value.
|
---|
1188 | * @param config_file The file to write to. Usually @c mondo-restore.cfg.
|
---|
1189 | * @param label What to call this bit of data you're writing.
|
---|
1190 | * @param value The bit of data you're writing.
|
---|
1191 | * @return 0 for success, 1 for failure.
|
---|
1192 | */
|
---|
1193 | int write_cfg_var(char *config_file, char *label, char *value)
|
---|
1194 | {
|
---|
1195 | /*@ buffers ***************************************************** */
|
---|
1196 | char *command;
|
---|
1197 | char *tempfile;
|
---|
1198 | char *tmp;
|
---|
1199 |
|
---|
1200 |
|
---|
1201 | /*@ end vars *************************************************** */
|
---|
1202 | assert_string_is_neither_NULL_nor_zerolength(config_file);
|
---|
1203 | assert_string_is_neither_NULL_nor_zerolength(label);
|
---|
1204 | assert(value != NULL);
|
---|
1205 |
|
---|
1206 | if (!does_file_exist(config_file)) {
|
---|
1207 | asprintf(&tmp, "(write_cfg_file) Cannot find %s config file",
|
---|
1208 | config_file);
|
---|
1209 | log_to_screen(tmp);
|
---|
1210 | paranoid_free(tmp);
|
---|
1211 | return (1);
|
---|
1212 | }
|
---|
1213 | asprintf(&tempfile,
|
---|
1214 | call_program_and_get_last_line_of_output
|
---|
1215 | ("mktemp -q /tmp/mojo-jojo.blah.XXXXXX"));
|
---|
1216 | if (does_file_exist(config_file)) {
|
---|
1217 | asprintf(&command, "grep -vx '%s .*' %s > %s",
|
---|
1218 | label, config_file, tempfile);
|
---|
1219 | paranoid_system(command);
|
---|
1220 | paranoid_free(command);
|
---|
1221 | }
|
---|
1222 | asprintf(&command, "echo \"%s %s\" >> %s", label, value, tempfile);
|
---|
1223 | paranoid_system(command);
|
---|
1224 | paranoid_free(command);
|
---|
1225 |
|
---|
1226 | asprintf(&command, "mv -f %s %s", tempfile, config_file);
|
---|
1227 | paranoid_system(command);
|
---|
1228 | paranoid_free(command);
|
---|
1229 | unlink(tempfile);
|
---|
1230 | paranoid_free(tempfile);
|
---|
1231 | return (0);
|
---|
1232 | }
|
---|
1233 |
|
---|
1234 |
|
---|
1235 | /**
|
---|
1236 | * The standard log_debug_msg() (log_msg() also due to a macro). Writes some describing
|
---|
1237 | * information to the logfile.
|
---|
1238 | */
|
---|
1239 | void standard_log_debug_msg(int debug_level, const char *szFile,
|
---|
1240 | const char *szFunction, int nLine,
|
---|
1241 | const char *fmt, ...)
|
---|
1242 | {
|
---|
1243 | va_list args;
|
---|
1244 | int i;
|
---|
1245 | static int depth = 0;
|
---|
1246 | FILE *fout;
|
---|
1247 |
|
---|
1248 | if (depth > 5) {
|
---|
1249 | depth--;
|
---|
1250 | return;
|
---|
1251 | }
|
---|
1252 | depth++;
|
---|
1253 |
|
---|
1254 | if (debug_level <= g_loglevel) {
|
---|
1255 | va_start(args, fmt);
|
---|
1256 | if (!(fout = fopen(MONDO_LOGFILE, "a"))) {
|
---|
1257 | return;
|
---|
1258 | } // fatal_error("Failed to openout to logfile - sheesh..."); }
|
---|
1259 |
|
---|
1260 | // add tabs to distinguish log levels
|
---|
1261 | if (debug_level > 0) {
|
---|
1262 | for (i = 1; i < debug_level; i++)
|
---|
1263 | fprintf(fout, "\t");
|
---|
1264 | if (getpid() == g_main_pid)
|
---|
1265 | fprintf(fout, "[Main] %s->%s#%d: ", szFile, szFunction,
|
---|
1266 | nLine);
|
---|
1267 | else if (getpid() == g_buffer_pid && g_buffer_pid > 0)
|
---|
1268 | fprintf(fout, "[Buff] %s->%s#%d: ", szFile, szFunction,
|
---|
1269 | nLine);
|
---|
1270 | else
|
---|
1271 | fprintf(fout, "[TH=%d] %s->%s#%d: ", getpid(), szFile,
|
---|
1272 | szFunction, nLine);
|
---|
1273 | }
|
---|
1274 | vfprintf(fout, fmt, args);
|
---|
1275 |
|
---|
1276 | // do not slow down the progran if standard debug level
|
---|
1277 | // must be enabled: if no flush, the log won't be up-to-date if there
|
---|
1278 | // is a segfault
|
---|
1279 | //if (g_dwDebugLevel != 1)
|
---|
1280 |
|
---|
1281 | va_end(args);
|
---|
1282 | fprintf(fout, "\n");
|
---|
1283 | paranoid_fclose(fout);
|
---|
1284 | }
|
---|
1285 | depth--;
|
---|
1286 | }
|
---|
1287 |
|
---|
1288 | /**
|
---|
1289 | * Function pointer to the @c log_debug_msg function to use. Points to standard_log_debug_msg() by default.
|
---|
1290 | */
|
---|
1291 | void (*log_debug_msg) (int, const char *, const char *, int, const char *,
|
---|
1292 | ...) = standard_log_debug_msg;
|
---|
1293 |
|
---|
1294 |
|
---|
1295 | /**
|
---|
1296 | * Allocate or free important globals, depending on @p mal.
|
---|
1297 | * @param mal If TRUE, malloc; if FALSE, free.
|
---|
1298 | */
|
---|
1299 | void do_libmondo_global_strings_thing(int mal)
|
---|
1300 | {
|
---|
1301 | if (mal) {
|
---|
1302 | iamhere("Malloc'ing globals");
|
---|
1303 | malloc_string(g_erase_tmpdir_and_scratchdir);
|
---|
1304 | malloc_string(g_serial_string);
|
---|
1305 | malloc_string(g_magicdev_command);
|
---|
1306 | } else {
|
---|
1307 | iamhere("Freeing globals");
|
---|
1308 | paranoid_free(g_boot_mountpt);
|
---|
1309 | paranoid_free(g_mondo_home);
|
---|
1310 | paranoid_free(g_tmpfs_mountpt);
|
---|
1311 | paranoid_free(g_erase_tmpdir_and_scratchdir);
|
---|
1312 | paranoid_free(g_serial_string);
|
---|
1313 | paranoid_free(g_magicdev_command);
|
---|
1314 | }
|
---|
1315 | }
|
---|
1316 |
|
---|
1317 | /**
|
---|
1318 | * Allocate important globals.
|
---|
1319 | * @see do_libmondo_global_strings_thing
|
---|
1320 | */
|
---|
1321 | void malloc_libmondo_global_strings(void)
|
---|
1322 | {
|
---|
1323 | do_libmondo_global_strings_thing(1);
|
---|
1324 | }
|
---|
1325 |
|
---|
1326 | /**
|
---|
1327 | * Free important globals.
|
---|
1328 | * @see do_libmondo_global_strings_thing
|
---|
1329 | */
|
---|
1330 | void free_libmondo_global_strings(void)
|
---|
1331 | {
|
---|
1332 | do_libmondo_global_strings_thing(0);
|
---|
1333 | }
|
---|
1334 |
|
---|
1335 |
|
---|
1336 |
|
---|
1337 | /**
|
---|
1338 | * Stop @c magicdev if it's running.
|
---|
1339 | * The command used to start it is saved in @p g_magicdev_command.
|
---|
1340 | */
|
---|
1341 | void stop_magicdev_if_necessary()
|
---|
1342 | {
|
---|
1343 | strcpy(g_magicdev_command,
|
---|
1344 | call_program_and_get_last_line_of_output
|
---|
1345 | ("ps ax | grep -w magicdev | grep -v grep | tr -s '\t' ' '| cut -d' ' -f6-99"));
|
---|
1346 | if (g_magicdev_command[0]) {
|
---|
1347 | log_msg(1, "g_magicdev_command = '%s'", g_magicdev_command);
|
---|
1348 | paranoid_system("killall magicdev");
|
---|
1349 | }
|
---|
1350 | }
|
---|
1351 |
|
---|
1352 |
|
---|
1353 | /**
|
---|
1354 | * Restart magicdev if it was stopped.
|
---|
1355 | */
|
---|
1356 | void restart_magicdev_if_necessary()
|
---|
1357 | {
|
---|
1358 | char *tmp;
|
---|
1359 |
|
---|
1360 | if (g_magicdev_command && g_magicdev_command[0]) {
|
---|
1361 | asprintf(&tmp, "%s &", g_magicdev_command);
|
---|
1362 | paranoid_system(tmp);
|
---|
1363 | paranoid_free(tmp);
|
---|
1364 | }
|
---|
1365 | }
|
---|
1366 |
|
---|
1367 | /* @} - end of utilityGroup */
|
---|