1 | /* $Id: libmondo-tools.c 1977 2008-06-02 08:49:01Z bruno $
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2 | misc tools
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3 | */
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4 |
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5 | /**
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6 | * @file
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7 | * Miscellaneous tools that didn't really fit anywhere else.
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8 | */
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9 |
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10 | #include "my-stuff.h"
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11 | #include "mr_mem.h"
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12 | #include "mr_msg.h"
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13 | #include "mr_file.h"
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14 | #include "mr_gettext.h"
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15 | #include "mr_conf.h"
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16 |
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17 | #include "mondostructures.h"
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18 | #include "libmondo-tools.h"
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19 | #include "newt-specific-EXT.h"
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20 | #include "libmondo-files-EXT.h"
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21 | #include "libmondo-fork-EXT.h"
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22 | #include "libmondo-raid-EXT.h"
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23 | #include "libmondo-devices-EXT.h"
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24 | #include <sys/socket.h>
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25 | #include <netdb.h>
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26 | #include <stdlib.h>
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27 | #include <netinet/in.h>
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28 | #include <arpa/inet.h>
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29 | #include <sys/utsname.h>
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30 |
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31 | /*@unused@*/
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32 | //static char cvsid[] = "$Id: libmondo-tools.c 1977 2008-06-02 08:49:01Z bruno $";
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33 |
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34 | extern int g_tape_buffer_size_MB;
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35 | extern char *g_serial_string;
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36 | extern bool g_text_mode;
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37 | extern int g_currentY;
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38 | extern int g_current_media_number;
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39 | extern char *MONDO_LOGFILE;
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40 |
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41 | extern struct mr_ar_conf *mr_conf;
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42 |
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43 | /* Reference to global bkpinfo */
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44 | extern struct s_bkpinfo *bkpinfo;
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45 |
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46 | /**
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47 | * @addtogroup globalGroup
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48 | * @{
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49 | */
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50 | 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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51 | g_remount_floppy_at_end; ///< TRUE if we unmounted the floppy and should remount it when done with the backup.
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52 | bool g_cd_recovery; ///< TRUE if we're making an "autonuke" backup.
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53 | double g_kernel_version;
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54 |
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55 | /**
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56 | * The place where /boot is mounted. - Used locally only
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57 | */
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58 | static char *g_boot_mountpt = NULL;
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59 |
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60 | /**
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61 | * The serial string (used to differentiate between backups) of the current backup.
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62 | */
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63 | char *g_serial_string = NULL;
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64 |
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65 | /**
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66 | * The location where tmpfs is mounted, or "" if it's not mounted.
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67 | */
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68 | char *g_tmpfs_mountpt = NULL;
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69 | char *g_magicdev_command = NULL;
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70 |
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71 | /* @} - end of globalGroup */
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72 |
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73 |
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74 | extern pid_t g_buffer_pid;
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75 | extern pid_t g_main_pid;
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76 |
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77 | extern t_bkptype g_backup_media_type;
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78 | extern char *g_backup_media_string;
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79 |
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80 | extern bool am_I_in_disaster_recovery_mode(void);
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81 |
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82 | /* Return a string containing the date */
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83 | char *mr_date(void) {
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84 |
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85 | time_t tcurr;
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86 |
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87 | tcurr = time(NULL);
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88 | return(ctime(&tcurr));
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89 | }
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90 |
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91 | /*-----------------------------------------------------------*/
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92 |
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93 |
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94 | /**
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95 | * @addtogroup utilityGroup
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96 | * @{
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97 | */
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98 | /**
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99 | * Assertion handler. Prints a friendly message to the user,
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100 | * offering to ignore all, dump core, break to debugger,
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101 | * exit, or ignore. Intended to be used with an assert() macro.
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102 | *
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103 | * @param file The file in which the assertion triggered.
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104 | * @param function The function (@c __FUNCTION__) in which the assertion triggered.
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105 | * @param line The line number of the assert() statement.
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106 | * @param exp The expression that failed (as a string).
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107 | */
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108 | void _mondo_assert_fail(const char *file,
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109 | const char *function, int line, const char *exp)
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110 | {
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111 | static int ignoring_assertions = 0;
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112 | bool is_valid = TRUE;
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113 |
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114 | log_it("ASSERTION FAILED: `%s' at %s:%d in %s", exp, file, line,
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115 | function);
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116 | if (ignoring_assertions) {
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117 | log_it("Well, the user doesn't care...");
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118 | return;
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119 | }
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120 | #ifndef _XWIN
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121 | if (!g_text_mode)
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122 | newtSuspend();
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123 | #endif
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124 | printf(_("ASSERTION FAILED: `%s'\n"), exp);
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125 | printf(_("\tat %s:%d in %s\n\n"), file, line, function);
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126 | printf(_("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? "));
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127 | do {
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128 | is_valid = TRUE;
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129 | switch (toupper(getchar())) {
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130 | case 'A': // ignore (A)ll
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131 | ignoring_assertions = 1;
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132 | break;
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133 | case 'B': // a(B)ort
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134 | signal(SIGABRT, SIG_DFL); /* prevent SIGABRT handler from running */
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135 | raise(SIGABRT);
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136 | break; /* "can't get here" */
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137 | case 'D': // (D)ebug, aka asm("int 3")
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138 | #ifdef __IA32__
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139 | __asm__ __volatile__("int $3"); // break to debugger
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140 | #endif
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141 | break;
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142 | case 'E': // (E)xit
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143 | fatal_error("Failed assertion -- see above for details");
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144 | break; /* "can't get here" */
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145 | case 'I': // (I)gnore
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146 | break;
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147 | /* These next two work as follows:
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148 | the `default' catches the user's invalid choice and says so;
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149 | the '\n' catches the newline on the end and prints the prompt again.
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150 | */
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151 | case '\n':
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152 | printf
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153 | (_("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? "));
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154 | break;
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155 | default:
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156 | is_valid = FALSE;
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157 | printf(_("Invalid choice.\n"));
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158 | break;
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159 | }
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160 | } while (!is_valid);
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161 |
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162 | if (ignoring_assertions) {
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163 | log_it("Ignoring ALL assertions from now on.");
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164 | } else {
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165 | log_it("Ignoring assertion: %s", exp);
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166 | }
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167 |
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168 | getchar(); // skip \n
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169 |
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170 | #ifndef _XWIN
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171 | if (!g_text_mode)
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172 | newtResume();
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173 | #endif
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174 | }
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175 |
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176 | /**
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177 | * Clean's up users' KDE desktops.
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178 | * @bug Details about this function are unknown.
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179 | */
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180 | void clean_up_KDE_desktop_if_necessary(void)
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181 | {
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182 | char *tmp;
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183 |
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184 | mr_asprintf(&tmp,
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185 | "for i in `find /root /home -type d -name Desktop -maxdepth 2`; do \
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186 | file=$i/.directory; if [ -f \"$file\" ] ; then mv -f $file $file.old ; \
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187 | awk '{if (index($0, \"rootimagesmindi\")) { while (length($0)>2) { getline;} ; } \
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188 | else { print $0;};}' $file.old > $file ; fi ; done");
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189 | run_program_and_log_output(tmp, 5);
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190 | mr_free(tmp);
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191 | }
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192 |
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193 |
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194 | /**
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195 | * Locate mondoarchive's home directory. Searches in /usr/share/mondo,
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196 | * /usr/local/share/mondo, /opt, or if all else fails, search /usr.
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197 | *
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198 | * @param home_sz String to store the home directory ("" if it could not be found).
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199 | * @return 0 for success, nonzero for failure.
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200 | */
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201 | int find_and_store_mondoarchives_home(char *home_sz)
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202 | {
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203 | assert(home_sz != NULL);
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204 | strcpy(home_sz, MONDO_SHARE);
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205 | return (0);
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206 | }
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207 |
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208 |
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209 | char *get_architecture(void) {
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210 | #ifdef __IA32__
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211 | # ifdef __X86_64__
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212 | return ("x86_64");
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213 | # else
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214 | return ("i386");
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215 | # endif
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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 | char *get_uname_m(void) {
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228 |
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229 | struct utsname utsn;
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230 | char *tmp = NULL;
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231 |
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232 | uname(&utsn);
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233 | mr_asprintf(&tmp, utsn.machine);
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234 | return (tmp);
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235 | }
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236 |
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237 |
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238 |
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239 | /* BERLIOS: Use uname instead */
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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 | // mr_msg(1, "tmp = '%s'", tmp);
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260 | d = atof(tmp);
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261 | #endif
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262 | mr_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 | * Get the current time.
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269 | * @return number of seconds since the epoch.
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270 | */
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271 | long get_time(void)
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272 | {
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273 | return (long) time((void *) 0);
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274 | }
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275 |
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276 |
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277 | /**
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278 | * Initialize a RAID volume structure, setting fields to zero. The
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279 | * actual hard drive is unaffected.
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280 | *
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281 | * @param raidrec The RAID volume structure to initialize.
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282 | * @note This function is system dependent.
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283 | */
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284 | #ifdef __FreeBSD__
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285 | void initialize_raidrec(struct vinum_volume *raidrec)
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286 | {
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287 | int i, j;
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288 | raidrec->volname[0] = '\0';
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289 | raidrec->plexes = 0;
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290 | for (i = 0; i < 9; ++i) {
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291 | raidrec->plex[i].raidlevel = -1;
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292 | raidrec->plex[i].stripesize = 0;
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293 | raidrec->plex[i].subdisks = 0;
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294 | for (j = 0; j < 9; ++j) {
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295 | strcpy(raidrec->plex[i].sd[j].which_device, "");
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296 | }
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297 | }
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298 | }
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299 | #else
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300 | void initialize_raidrec(struct raid_device_record *raidrec)
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301 | {
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302 | assert(raidrec != NULL);
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303 | raidrec->raid_device[0] = '\0';
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304 | raidrec->raid_level = -9;
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305 | raidrec->persistent_superblock = 1;
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306 | raidrec->chunk_size = 64;
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307 | raidrec->parity = -1;
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308 | raidrec->data_disks.entries = 0;
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309 | raidrec->spare_disks.entries = 0;
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310 | raidrec->parity_disks.entries = 0;
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311 | raidrec->failed_disks.entries = 0;
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312 | raidrec->additional_vars.entries = 0;
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313 | }
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314 | #endif
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315 |
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316 |
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317 | /**
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318 | * Insert modules that Mondo requires.
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319 | * Currently inserts @c msdos, @c vfat, and @c loop for Linux;
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320 | * @c msdosfs and @c ext2fs for FreeBSD.
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321 | */
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322 | void insmod_crucial_modules(void)
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323 | {
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324 | #ifdef __FreeBSD__
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325 | system("kldstat | grep msdosfs || kldload msdosfs 2> /dev/null");
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326 | system("kldstat | grep ext2fs || kldload ext2fs 2> /dev/null");
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327 | #else
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328 | system("modprobe -a msdos vfat loop &> /dev/null");
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329 | #endif
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330 | }
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331 |
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332 |
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333 | /**
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334 | * Finish configuring the backup information structure. Call this function
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335 | * to set the parameters that depend on those that can be given on the command
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336 | * line.
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337 | *
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338 | * @param bkpinfo The backup information structure. Fields modified/used:
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339 | * - Used: @c bkpinfo->backup_data
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340 | * - Used: @c bkpinfo->backup_media_type
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341 | * - Used: @c bkpinfo->writer_speed
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342 | * - Used: @c bkpinfo->include_paths
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343 | * - Used: @c bkpinfo->prefix
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344 | * - Used: @c bkpinfo->isodir
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345 | * - Used: @c bkpinfo->manual_tray
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346 | * - Used: @c bkpinfo->make_cd_use_lilo
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347 | * - Used: @c bkpinfo->media_device
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348 | * - Used: @c bkpinfo->nfs_mount
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349 | * - Used: @c bkpinfo->nonbootable_backup
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350 | * - Used: @c bkpinfo->scratchdir
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351 | * - Used: @c bkpinfo->tmpdir
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352 | * - Modified: @c bkpinfo->call_before_iso
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353 | * - Modified: @c bkpinfo->call_make_iso
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354 | * - Modified: @c bkpinfo->optimal_set_size
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355 | *
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356 | * @return number of errors, or 0 for success.
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357 | * @note Also creates directories that are specified in the @c bkpinfo structure but
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358 | * do not exist.
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359 | */
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360 | int post_param_configuration()
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361 | {
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362 | char *extra_cdrom_params = NULL;
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363 | char *mondo_mkisofs_sz = NULL;
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364 | char *command = NULL;
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365 | char *hostname = NULL;
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366 | char *ip_address = NULL;
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367 | int retval = 0;
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368 | long avm = 0;
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369 | char *colon = NULL;
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370 | char *tmp = NULL;
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371 | char *call_before_iso_user = NULL;
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372 | int rdsiz_MB;
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373 | char *iso_dev = NULL;
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374 | char *iso_mnt = NULL;
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375 | char *iso_tmp = NULL;
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376 | char *iso_path = NULL;
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377 | FILE *fd1 = NULL;
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378 |
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379 | assert(bkpinfo != NULL);
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380 | bkpinfo->optimal_set_size =
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381 | (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type) ? 16 : 16) *
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382 | 1024;
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383 |
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384 | mr_msg(1, "Foo");
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385 | if (bkpinfo->backup_media_type == tape) {
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386 | mr_msg(1, "Bar");
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387 | mr_asprintf(&tmp, "mt -f %s status", bkpinfo->media_device);
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388 | mr_msg(1, "tmp = '%s'", tmp);
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389 | if (run_program_and_log_output(tmp, 3)) {
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390 | fatal_error
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391 | ("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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392 | }
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393 | mr_free(tmp);
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394 | }
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395 | make_hole_for_dir(bkpinfo->scratchdir);
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396 | if (bkpinfo->backup_media_type == iso)
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397 | make_hole_for_dir(bkpinfo->isodir);
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398 |
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399 | run_program_and_log_output("uname -a", 5);
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400 | run_program_and_log_output("cat /etc/*-release", 5);
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401 | sprintf(g_tmpfs_mountpt, "%s/tmpfs", bkpinfo->tmpdir);
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402 | mr_asprintf(&command, "mkdir -p %s", g_tmpfs_mountpt);
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403 | paranoid_system(command);
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404 | mr_free(command);
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405 | rdsiz_MB = PPCFG_RAMDISK_SIZE + g_tape_buffer_size_MB;
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406 | #ifdef __FreeBSD__
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407 | mr_asprintf(&tmp,
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408 | call_program_and_get_last_line_of_output
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409 | ("vmstat | tail -1 | tr -s ' ' | cut -d' ' -f6"));
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410 | avm += atol(tmp);
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411 | mr_free(tmp);
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412 | mr_asprintf(&tmp,
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413 | call_program_and_get_last_line_of_output
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414 | ("swapinfo | grep -v Device | tr -s ' ' | cut -d' ' -f4 | tr '\n' '+' | sed 's/+$//' | bc"));
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415 | avm += atol(tmp);
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416 | mr_free(tmp);
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417 | mr_asprintf(&command, "mdmfs -s %d%c md9 %s", rdsiz_MB, 'm',
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418 | g_tmpfs_mountpt);
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419 | #else
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420 | mr_asprintf(&tmp,
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421 | call_program_and_get_last_line_of_output
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422 | ("free | grep ':' | tr -s ' ' '\t' | cut -f2 | head -n1"));
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423 | avm += atol(tmp);
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424 | mr_free(tmp);
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425 | mr_asprintf(&command, "mount /dev/shm -t tmpfs %s -o size=%d%c",
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426 | g_tmpfs_mountpt, rdsiz_MB, 'm');
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427 | run_program_and_log_output("cat /proc/cpuinfo", 5);
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428 | /* BERLIOS: rpm is not necessarily there ! */
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429 | run_program_and_log_output
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430 | ("rpm -q newt newt-devel slang slang-devel ncurses ncurses-devel gcc",
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431 | 5);
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432 | #endif
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433 | if (avm / 1024 > rdsiz_MB * 3) {
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434 | if (run_program_and_log_output(command, 5)) {
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435 | g_tmpfs_mountpt[0] = '\0';
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436 | log_it("Failed to mount tmpfs");
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437 | } else {
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438 | log_it("Tmpfs mounted OK - %d MB", rdsiz_MB);
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439 | }
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440 | } else {
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441 | g_tmpfs_mountpt[0] = '\0';
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442 | log_it("It doesn't seem you have enough swap to use tmpfs. Fine.");
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443 | }
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---|
444 | mr_free(command);
|
---|
445 |
|
---|
446 | // CD-R or CD-RW or DVD
|
---|
447 | if (bkpinfo->backup_media_type == cdrw
|
---|
448 | || bkpinfo->backup_media_type == dvd
|
---|
449 | || bkpinfo->backup_media_type == iso
|
---|
450 | || bkpinfo->backup_media_type == nfs
|
---|
451 | || bkpinfo->backup_media_type == cdr) {
|
---|
452 | if (!bkpinfo->manual_tray) {
|
---|
453 | mr_strcat(extra_cdrom_params, "-waiti ");
|
---|
454 | }
|
---|
455 | if (bkpinfo->backup_media_type == cdrw) {
|
---|
456 | mr_strcat(extra_cdrom_params, "blank=fast ");
|
---|
457 | }
|
---|
458 | if (bkpinfo->nonbootable_backup) {
|
---|
459 | mr_asprintf(&mondo_mkisofs_sz, "%s -no-boot", mr_conf->iso_creation_opt);
|
---|
460 | } else if
|
---|
461 | #ifdef __FreeBSD__
|
---|
462 | (TRUE)
|
---|
463 | #else
|
---|
464 | (bkpinfo->make_cd_use_lilo)
|
---|
465 | #endif
|
---|
466 | #ifdef __IA64__
|
---|
467 | {
|
---|
468 | mr_asprintf(&mondo_mkisofs_sz, "%s -b images/mindi-boot.2880.img -c boot.cat", mr_conf->iso_creation_opt);
|
---|
469 | }
|
---|
470 | #else
|
---|
471 | {
|
---|
472 | mr_asprintf(&mondo_mkisofs_sz, "%s -b isolinux.bin -c boot.cat", mr_conf->iso_creation_opt);
|
---|
473 | }
|
---|
474 | #endif
|
---|
475 | else {
|
---|
476 | mr_asprintf(&mondo_mkisofs_sz, "%s -b isolinux.bin -c boot.cat", mr_conf->iso_creation_opt);
|
---|
477 | }
|
---|
478 | if (bkpinfo->manual_tray) {
|
---|
479 | if (strstr(mr_conf->iso_burning_cmd,"growisofs") != NULL) {
|
---|
480 | fatal_error("Unable to use manual CD tray with growisofs");
|
---|
481 | }
|
---|
482 | if (bkpinfo->call_before_iso[0] == '\0') {
|
---|
483 | sprintf(bkpinfo->call_before_iso,
|
---|
484 | "%s %s -o %s/"MONDO_TMPISOS" . 2>> %s",
|
---|
485 | mr_conf->iso_creation_cmd,mondo_mkisofs_sz, bkpinfo->tmpdir, MONDO_LOGFILE);
|
---|
486 | } else {
|
---|
487 | mr_asprintf(&call_before_iso_user, bkpinfo->call_before_iso);
|
---|
488 | sprintf (bkpinfo->call_before_iso,
|
---|
489 | "(%s %s -o %s/"MONDO_TMPISOS" . 2>> %s ; %s )",
|
---|
490 | mr_conf->iso_creation_cmd,mondo_mkisofs_sz, bkpinfo->tmpdir, MONDO_LOGFILE, call_before_iso_user);
|
---|
491 | mr_free(call_before_iso_user);
|
---|
492 | }
|
---|
493 | log_it("bkpinfo->call_before_iso = %s", bkpinfo->call_before_iso);
|
---|
494 | sprintf(bkpinfo->call_make_iso,
|
---|
495 | "%s %s %s dev=%s speed=%d %s/"MONDO_TMPISOS,
|
---|
496 | mr_conf->iso_burning_cmd,
|
---|
497 | extra_cdrom_params,
|
---|
498 | mr_conf->iso_burning_opt,
|
---|
499 | bkpinfo->iso_burning_dev,
|
---|
500 | bkpinfo->writer_speed,
|
---|
501 | bkpinfo->tmpdir);
|
---|
502 | } else {
|
---|
503 | if (bkpinfo->backup_media_type == iso) {
|
---|
504 | sprintf(bkpinfo->call_make_iso,
|
---|
505 | "%s %s . 2>> %s",
|
---|
506 | mr_conf->iso_creation_cmd,
|
---|
507 | mondo_mkisofs_sz,
|
---|
508 | MONDO_LOGFILE);
|
---|
509 | } else {
|
---|
510 | if (strstr(mr_conf->iso_burning_cmd,"growisofs") != NULL) {
|
---|
511 | if (getenv ("SUDO_COMMAND")) {
|
---|
512 | mr_asprintf(&command, "strings %s | grep -c SUDO_COMMAND", mr_conf->iso_burning_cmd);
|
---|
513 | if (!strcmp(call_program_and_get_last_line_of_output(command), "1")) {
|
---|
514 | fatal_error("Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
|
---|
515 | }
|
---|
516 | mr_free(command);
|
---|
517 | }
|
---|
518 | sprintf(bkpinfo->call_make_iso,
|
---|
519 | "%s %s %s %s -Z %s -speed=%d . 2>> %s",
|
---|
520 | mr_conf->iso_burning_cmd,
|
---|
521 | mondo_mkisofs_sz,
|
---|
522 | extra_cdrom_params,
|
---|
523 | mr_conf->iso_burning_opt,
|
---|
524 | bkpinfo->iso_burning_dev,
|
---|
525 | bkpinfo->writer_speed,
|
---|
526 | MONDO_LOGFILE);
|
---|
527 | } else {
|
---|
528 | sprintf(bkpinfo->call_make_iso,
|
---|
529 | "%s %s . 2>> %s | %s %s %s dev=%s speed=%d -",
|
---|
530 | mr_conf->iso_creation_cmd,
|
---|
531 | mondo_mkisofs_sz,
|
---|
532 | MONDO_LOGFILE,
|
---|
533 | mr_conf->iso_burning_cmd,
|
---|
534 | extra_cdrom_params,
|
---|
535 | mr_conf->iso_burning_opt,
|
---|
536 | bkpinfo->iso_burning_dev,
|
---|
537 | bkpinfo->writer_speed);
|
---|
538 | }
|
---|
539 | mr_free(mondo_mkisofs_sz);
|
---|
540 | mr_free(extra_cdrom_params);
|
---|
541 | }
|
---|
542 | }
|
---|
543 | } // end of CD code
|
---|
544 |
|
---|
545 | if (bkpinfo->backup_media_type == iso) {
|
---|
546 |
|
---|
547 | /* Patch by Conor Daly <conor.daly@met.ie>
|
---|
548 | * 23-june-2004
|
---|
549 | * Break up isodir into iso_mnt and iso_path
|
---|
550 | * These will be used along with iso-dev at restore time
|
---|
551 | * to locate the ISOs where ever they're mounted
|
---|
552 | */
|
---|
553 |
|
---|
554 | log_it("isodir = %s", bkpinfo->isodir);
|
---|
555 | mr_asprintf(&command, "df -P %s | tail -n1 | cut -d' ' -f1",
|
---|
556 | bkpinfo->isodir);
|
---|
557 | log_it("command = %s", command);
|
---|
558 | mr_asprintf(&iso_dev, call_program_and_get_last_line_of_output(command));
|
---|
559 | mr_free(command);
|
---|
560 | log_it("res of it = %s", iso_dev);
|
---|
561 |
|
---|
562 | fd1 = mr_fopen(MONDORESTORECFG, "a");
|
---|
563 | mr_fprintf(fd1, "iso-dev=%s\n", iso_dev);
|
---|
564 |
|
---|
565 | mr_asprintf(&command, "mount | grep -w %s | tail -n1 | cut -d' ' -f3",
|
---|
566 | iso_dev);
|
---|
567 | mr_free(iso_dev);
|
---|
568 |
|
---|
569 | log_it("command = %s", command);
|
---|
570 | mr_asprintf(&iso_mnt,call_program_and_get_last_line_of_output(command));
|
---|
571 | mr_free(command);
|
---|
572 |
|
---|
573 | log_it("res of it = %s", iso_mnt);
|
---|
574 | mr_fprintf(fd1, "iso-mnt=%s\n", iso_mnt);
|
---|
575 | log_it("isomnt: %s, %d", iso_mnt, strlen(iso_mnt));
|
---|
576 |
|
---|
577 | mr_asprintf(&iso_tmp, "%s", bkpinfo->isodir);
|
---|
578 | if (strlen(iso_tmp) >= strlen(iso_mnt)) {
|
---|
579 | mr_asprintf(&iso_path, "%s", iso_tmp + strlen(iso_mnt));
|
---|
580 | } else {
|
---|
581 | mr_asprintf(&iso_path, "");
|
---|
582 | }
|
---|
583 | mr_free(iso_tmp);
|
---|
584 | mr_free(iso_mnt);
|
---|
585 |
|
---|
586 | log_it("isodir: %s", iso_path);
|
---|
587 | mr_fprintf(fd1, "isodir=%s\n", iso_path);
|
---|
588 | mr_free(iso_path);
|
---|
589 |
|
---|
590 | log_it("iso-prefix: %s", bkpinfo->prefix);
|
---|
591 | mr_fprintf(fd1, "iso-prefix=%s\n", bkpinfo->prefix);
|
---|
592 |
|
---|
593 | mr_fclose(fd1);
|
---|
594 | } // end of iso code
|
---|
595 |
|
---|
596 | if (bkpinfo->backup_media_type == nfs) {
|
---|
597 | mr_asprintf(&hostname, bkpinfo->nfs_mount);
|
---|
598 | colon = strchr(hostname, ':');
|
---|
599 | if (!colon) {
|
---|
600 | log_it("nfs mount doesn't have a colon in it");
|
---|
601 | retval++;
|
---|
602 | } else {
|
---|
603 | struct hostent *hent;
|
---|
604 |
|
---|
605 | *colon = '\0';
|
---|
606 | hent = gethostbyname(hostname);
|
---|
607 | if (!hent) {
|
---|
608 | log_it("Can't resolve NFS mount (%s): %s", hostname,
|
---|
609 | hstrerror(h_errno));
|
---|
610 | retval++;
|
---|
611 | } else {
|
---|
612 | mr_asprintf(&ip_address, "%s%s", inet_ntoa((struct in_addr)
|
---|
613 | *((struct in_addr *) hent->h_addr)),
|
---|
614 | strchr(bkpinfo->nfs_mount, ':'));
|
---|
615 | strcpy(bkpinfo->nfs_mount, ip_address);
|
---|
616 | mr_free(ip_address);
|
---|
617 | }
|
---|
618 | }
|
---|
619 | store_nfs_config();
|
---|
620 | mr_free(hostname);
|
---|
621 | }
|
---|
622 |
|
---|
623 | log_it("Finished processing incoming params");
|
---|
624 | if (retval) {
|
---|
625 | fprintf(stderr, "Type 'man mondoarchive' for help.\n");
|
---|
626 | }
|
---|
627 |
|
---|
628 | if (strlen(bkpinfo->tmpdir) < 2 || strlen(bkpinfo->scratchdir) < 2) {
|
---|
629 | log_it("tmpdir or scratchdir are blank/missing");
|
---|
630 | retval++;
|
---|
631 | }
|
---|
632 | if (bkpinfo->include_paths[0] == '\0') {
|
---|
633 | // fatal_error ("Why no backup path?");
|
---|
634 | strcpy(bkpinfo->include_paths, "/");
|
---|
635 | }
|
---|
636 | chmod(bkpinfo->scratchdir, 0700);
|
---|
637 | g_backup_media_type = bkpinfo->backup_media_type;
|
---|
638 | g_backup_media_string = bkpinfo->backup_media_string;
|
---|
639 | return (retval);
|
---|
640 | }
|
---|
641 |
|
---|
642 |
|
---|
643 | /**
|
---|
644 | * Do some miscellaneous setup tasks to be performed before filling @c bkpinfo.
|
---|
645 | * Seeds the random-number generator, loads important modules, checks the sanity
|
---|
646 | * of the user's Linux distribution, and deletes logfile.
|
---|
647 | * @param bkpinfo The backup information structure. Will be initialized.
|
---|
648 | * @return number of errors (0 for success)
|
---|
649 | */
|
---|
650 | int pre_param_configuration()
|
---|
651 | {
|
---|
652 | int res = 0;
|
---|
653 | char *tmp = NULL;
|
---|
654 |
|
---|
655 | make_hole_for_dir(MNT_CDROM);
|
---|
656 | assert(bkpinfo != NULL);
|
---|
657 | srandom((unsigned long) (time(NULL)));
|
---|
658 | insmod_crucial_modules();
|
---|
659 | if (bkpinfo->disaster_recovery) {
|
---|
660 | if (!does_nonMS_partition_exist()) {
|
---|
661 | fatal_error
|
---|
662 | ("I am in disaster recovery mode\nPlease don't run mondoarchive.");
|
---|
663 | }
|
---|
664 | }
|
---|
665 |
|
---|
666 | asprintf(&tmp,"rm -Rf %s/changed.files*",MONDO_CACHE);
|
---|
667 | run_program_and_log_output(tmp, FALSE);
|
---|
668 | paranoid_free(tmp);
|
---|
669 | res += some_basic_system_sanity_checks();
|
---|
670 | if (res) {
|
---|
671 | log_it("Your distribution did not pass Mondo's sanity test.");
|
---|
672 | }
|
---|
673 | g_current_media_number = 1;
|
---|
674 | bkpinfo->postnuke_tarball[0] = bkpinfo->nfs_mount[0] = '\0';
|
---|
675 | return (res);
|
---|
676 | }
|
---|
677 |
|
---|
678 | void setup_tmpdir(char *path) {
|
---|
679 |
|
---|
680 | char *tmp = NULL;
|
---|
681 | char *p = NULL;
|
---|
682 |
|
---|
683 | if (bkpinfo->tmpdir != NULL) {
|
---|
684 | /* purging a potential old tmpdir */
|
---|
685 | asprintf(&tmp,"rm -Rf %s",bkpinfo->tmpdir);
|
---|
686 | system(tmp);
|
---|
687 | paranoid_free(tmp);
|
---|
688 | }
|
---|
689 |
|
---|
690 | if (path != NULL) {
|
---|
691 | asprintf(&tmp, "%s/mondo.tmp.XXXXXX", path);
|
---|
692 | } else if (getenv("TMPDIR")) {
|
---|
693 | asprintf(&tmp, "%s/mondo.tmp.XXXXXX", getenv("TMPDIR"));
|
---|
694 | } else if (getenv("TMP")) {
|
---|
695 | asprintf(&tmp, "%s/mondo.tmp.XXXXXX", getenv("TMP"));
|
---|
696 | } else {
|
---|
697 | asprintf(&tmp, "/tmp/mondo.tmp.XXXXXX");
|
---|
698 | }
|
---|
699 | p = mkdtemp(tmp);
|
---|
700 | if (p == NULL) {
|
---|
701 | log_it("Failed to create global tmp directory %s for Mondo.",tmp);
|
---|
702 | finish(-1);
|
---|
703 | }
|
---|
704 | strcpy(bkpinfo->tmpdir,p);
|
---|
705 | paranoid_free(tmp);
|
---|
706 | }
|
---|
707 |
|
---|
708 |
|
---|
709 | /**
|
---|
710 | * Reset all fields of the backup information structure to a sensible default.
|
---|
711 | * @param bkpinfo The @c bkpinfo to reset.
|
---|
712 | */
|
---|
713 | void reset_bkpinfo()
|
---|
714 | {
|
---|
715 | char *tmp = NULL;
|
---|
716 |
|
---|
717 | mr_msg(1, "Hi");
|
---|
718 |
|
---|
719 | assert(bkpinfo != NULL);
|
---|
720 | /* BERLIOS : Useless ?? */
|
---|
721 | memset((void *) bkpinfo, 0, sizeof(struct s_bkpinfo));
|
---|
722 |
|
---|
723 | sensibly_set_tmpdir_and_scratchdir();
|
---|
724 |
|
---|
725 | bkpinfo->manual_tray = mr_conf->manual_tray;
|
---|
726 | bkpinfo->internal_tape_block_size = mr_conf->internal_tape_blocksize;
|
---|
727 | bkpinfo->compression_level = mr_conf->compression_level;
|
---|
728 | mr_asprintf(&tmp,mr_conf->compression_suffix);
|
---|
729 | bkpinfo->compression_suffix = tmp;
|
---|
730 | mr_asprintf(&tmp,mr_conf->compression_tool);
|
---|
731 | bkpinfo->compression_tool = tmp;
|
---|
732 | mr_asprintf(&tmp,mr_conf->media_device);
|
---|
733 | bkpinfo->media_device = tmp;
|
---|
734 | mr_asprintf(&tmp,mr_conf->iso_burning_dev);
|
---|
735 | bkpinfo->iso_burning_dev = tmp;
|
---|
736 |
|
---|
737 | bkpinfo->media_size = mr_conf->iso_burning_speed;
|
---|
738 | mr_asprintf(&tmp,mr_conf->kernel);
|
---|
739 | bkpinfo->kernel_path = tmp;
|
---|
740 |
|
---|
741 | if (strcmp(mr_conf->boot_loader,"LILO") == 0) {
|
---|
742 | bkpinfo->boot_loader = 'L';
|
---|
743 | } else if (strcmp(mr_conf->boot_loader,"GRUB") == 0) {
|
---|
744 | bkpinfo->boot_loader = 'G';
|
---|
745 | } else if (strcmp(mr_conf->boot_loader,"ELILO") == 0) {
|
---|
746 | bkpinfo->boot_loader = 'E';
|
---|
747 | } else if (strcmp(mr_conf->boot_loader,"RAW") == 0) {
|
---|
748 | bkpinfo->boot_loader = 'R';
|
---|
749 | } else if (strcmp(mr_conf->boot_loader,"DD") == 0) {
|
---|
750 | bkpinfo->boot_loader = 'D';
|
---|
751 | } else if (strcmp(mr_conf->boot_loader,"BOOT0") == 0) {
|
---|
752 | bkpinfo->boot_loader = 'B';
|
---|
753 | } else if (strcmp(mr_conf->boot_loader,"NATIVE") == 0) {
|
---|
754 | bkpinfo->boot_loader = '\0';
|
---|
755 | } else{
|
---|
756 | mr_msg("Boot Loader %s unknown\n",mr_conf->boot_loader);
|
---|
757 | fatal_error("Unknown Boot Loader in conf file");
|
---|
758 | }
|
---|
759 | bkpinfo->boot_device[0] = '\0';
|
---|
760 | bkpinfo->image_devs[0] = '\0';
|
---|
761 | bkpinfo->compression_level = 3;
|
---|
762 | bkpinfo->do_not_compress_these[0] = '\0';
|
---|
763 | bkpinfo->verify_data = FALSE;
|
---|
764 | bkpinfo->backup_data = FALSE;
|
---|
765 | bkpinfo->restore_data = FALSE;
|
---|
766 | bkpinfo->use_star = FALSE;
|
---|
767 | bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
|
---|
768 | bkpinfo->disaster_recovery =
|
---|
769 | (am_I_in_disaster_recovery_mode()? TRUE : FALSE);
|
---|
770 | if (bkpinfo->disaster_recovery) {
|
---|
771 | strcpy(bkpinfo->isodir, "/");
|
---|
772 | } else {
|
---|
773 | strcpy(bkpinfo->isodir, "/var/cache/mondo/iso");
|
---|
774 | }
|
---|
775 | mr_asprintf(&tmp,mr_conf->prefix);
|
---|
776 | bkpinfo->prefix = tmp;
|
---|
777 | sensibly_set_tmpdir_and_scratchdir();
|
---|
778 |
|
---|
779 | bkpinfo->optimal_set_size = 0;
|
---|
780 | bkpinfo->backup_media_string[0] = '\0';
|
---|
781 | strcpy(bkpinfo->include_paths, "/");
|
---|
782 | bkpinfo->restore_path[0] = '\0';
|
---|
783 | bkpinfo->call_before_iso[0] = '\0';
|
---|
784 | bkpinfo->call_make_iso[0] = '\0';
|
---|
785 | bkpinfo->call_after_iso[0] = '\0';
|
---|
786 | bkpinfo->nfs_mount[0] = '\0';
|
---|
787 | bkpinfo->nfs_remote_dir[0] = '\0';
|
---|
788 | bkpinfo->postnuke_tarball[0] = '\0';
|
---|
789 | bkpinfo->wipe_media_first = FALSE;
|
---|
790 | bkpinfo->differential = 0;
|
---|
791 | bkpinfo->please_dont_eject = FALSE;
|
---|
792 | bkpinfo->writer_speed = mr_conf->iso_burning_speed;
|
---|
793 | bkpinfo->manual_cd_tray = FALSE;
|
---|
794 | bkpinfo->nonbootable_backup = FALSE;
|
---|
795 | bkpinfo->make_cd_use_lilo = FALSE;
|
---|
796 | bkpinfo->use_obdr = FALSE;
|
---|
797 | bkpinfo->restore_mode = interactive;
|
---|
798 | }
|
---|
799 |
|
---|
800 |
|
---|
801 | /**
|
---|
802 | * Get the remaining free space (in MB) on @p partition.
|
---|
803 | * @param partition The partition to check free space on (either a device or a mountpoint).
|
---|
804 | * @return The free space on @p partition, in MB.
|
---|
805 | */
|
---|
806 | long free_space_on_given_partition(char *partition)
|
---|
807 | {
|
---|
808 | char *command = NULL;
|
---|
809 | char *out_sz = NULL;
|
---|
810 | long res = 0L;
|
---|
811 |
|
---|
812 | assert_string_is_neither_NULL_nor_zerolength(partition);
|
---|
813 |
|
---|
814 | mr_asprintf(&command, "df -m -P %s 1> /dev/null 2> /dev/null", partition);
|
---|
815 | if (system(command)) {
|
---|
816 | return (-1);
|
---|
817 | } // partition does not exist
|
---|
818 | mr_free(command);
|
---|
819 |
|
---|
820 | mr_asprintf(&command, "df -m -P %s | tail -n1 | tr -s ' ' '\t' | cut -f4",
|
---|
821 | partition);
|
---|
822 | mr_asprintf(&out_sz, call_program_and_get_last_line_of_output(command));
|
---|
823 | mr_free(command);
|
---|
824 |
|
---|
825 | if (strlen(out_sz) == 0) {
|
---|
826 | return (-1);
|
---|
827 | } // error within df, probably
|
---|
828 | res = atol(out_sz);
|
---|
829 | mr_free(out_sz);
|
---|
830 | return (res);
|
---|
831 | }
|
---|
832 |
|
---|
833 |
|
---|
834 | /**
|
---|
835 | * Check the user's system for sanity. Checks performed:
|
---|
836 | * - make sure user has enough RAM (32mb required, 64mb recommended)
|
---|
837 | * - make sure user has enough free space in @c /
|
---|
838 | * - check kernel for ramdisk support
|
---|
839 | * - make sure afio, cdrecord, bzip2, awk, md5sum, strings, mindi, and buffer exist
|
---|
840 | * - make sure CD-ROM is unmounted
|
---|
841 | * - make sure user's mountlist is OK by running <tt>mindi --makemountlist</tt>
|
---|
842 | *
|
---|
843 | * @return number of problems with the user's setup (0 for success)
|
---|
844 | */
|
---|
845 | int some_basic_system_sanity_checks()
|
---|
846 | {
|
---|
847 |
|
---|
848 | /*@ buffers ************ */
|
---|
849 | char *tmp = NULL;
|
---|
850 |
|
---|
851 | /*@ int's *************** */
|
---|
852 | int retval = 0;
|
---|
853 |
|
---|
854 | mvaddstr_and_log_it(g_currentY, 0,
|
---|
855 | "Checking sanity of your Linux distribution");
|
---|
856 | #ifndef __FreeBSD__
|
---|
857 | if (system("which mkfs.vfat 2> /dev/null 1> /dev/null")
|
---|
858 | && !system("which mkfs.msdos 2> /dev/null 1> /dev/null")) {
|
---|
859 | log_it
|
---|
860 | ("OK, you've got mkfs.msdos but not mkfs.vfat; time for the fairy to wave her magic wand...");
|
---|
861 | run_program_and_log_output
|
---|
862 | ("ln -sf `which mkfs.msdos` /sbin/mkfs.vfat", FALSE);
|
---|
863 | }
|
---|
864 | mr_asprintf(&tmp,
|
---|
865 | call_program_and_get_last_line_of_output
|
---|
866 | ("free | grep Mem | head -n1 | tr -s ' ' '\t' | cut -f2"));
|
---|
867 | if (atol(tmp) < 35000) {
|
---|
868 | retval++;
|
---|
869 | log_to_screen(_("You must have at least 32MB of RAM to use Mondo."));
|
---|
870 | }
|
---|
871 | if (atol(tmp) < 66000) {
|
---|
872 | log_to_screen
|
---|
873 | (_("WARNING! You have very little RAM. Please upgrade to 64MB or more."));
|
---|
874 | }
|
---|
875 | mr_free(tmp);
|
---|
876 | #endif
|
---|
877 |
|
---|
878 | Lres = free_space_on_given_partition(MONDO_CACHE);
|
---|
879 | log_it("Free space on given partition = %ld MB", Lres);
|
---|
880 |
|
---|
881 | if (Lres < 50) {
|
---|
882 | fatal_error("Your "MONDO_CACHE" partition has <50MB free. Please adjust your partition table to something saner or make "MONDO_CACHE" a symbolic link");
|
---|
883 | }
|
---|
884 |
|
---|
885 | if (system("which " MKE2FS_OR_NEWFS " > /dev/null 2> /dev/null")) {
|
---|
886 | retval++;
|
---|
887 | log_to_screen
|
---|
888 | ("Unable to find " MKE2FS_OR_NEWFS " in system path.");
|
---|
889 | fatal_error
|
---|
890 | ("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. :)");
|
---|
891 | }
|
---|
892 | #ifndef __FreeBSD__
|
---|
893 | if (run_program_and_log_output
|
---|
894 | ("grep ramdisk /proc/devices", FALSE)) {
|
---|
895 | if (!ask_me_yes_or_no
|
---|
896 | (_("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?")))
|
---|
897 | {
|
---|
898 | // retval++;
|
---|
899 | log_to_screen
|
---|
900 | (_("It looks as if your kernel lacks ramdisk and initrd support."));
|
---|
901 | log_to_screen
|
---|
902 | (_("I'll allow you to proceed but FYI, if I'm right, your kernel is broken."));
|
---|
903 | }
|
---|
904 | }
|
---|
905 | #endif
|
---|
906 | retval += whine_if_not_found(mr_conf->iso_creation_cmd);
|
---|
907 | retval += whine_if_not_found(mr_conf->iso_burning_cmd);
|
---|
908 | retval += whine_if_not_found(MKE2FS_OR_NEWFS);
|
---|
909 | retval += whine_if_not_found(mr_conf->compresstion_tool);
|
---|
910 | retval += whine_if_not_found("gzip");
|
---|
911 | retval += whine_if_not_found("awk");
|
---|
912 | retval += whine_if_not_found("md5sum");
|
---|
913 | retval += whine_if_not_found("strings");
|
---|
914 | retval += whine_if_not_found("mindi");
|
---|
915 | retval += whine_if_not_found("buffer");
|
---|
916 |
|
---|
917 | // abort if Windows partition but no ms-sys and parted
|
---|
918 | if (!run_program_and_log_output("mount | grep -Ew 'vfat|fat|dos' | grep -vE \"/dev/fd|nexdisk\"", 0)) {
|
---|
919 | log_to_screen(_("I think you have a Windows 9x partition."));
|
---|
920 | retval += whine_if_not_found("parted");
|
---|
921 | }
|
---|
922 |
|
---|
923 | if (!find_home_of_exe("cmp")) {
|
---|
924 | if (!find_home_of_exe("true")) {
|
---|
925 | whine_if_not_found("cmp");
|
---|
926 | } else {
|
---|
927 | log_to_screen
|
---|
928 | ("Your system lacks the 'cmp' binary. I'll create a dummy cmp for you.");
|
---|
929 | if (run_program_and_log_output
|
---|
930 | ("cp -f `which true` /usr/bin/cmp", 0)) {
|
---|
931 | fatal_error("Failed to create dummy 'cmp' file.");
|
---|
932 | }
|
---|
933 | }
|
---|
934 | }
|
---|
935 | run_program_and_log_output
|
---|
936 | ("umount `mount | grep cdr | cut -d' ' -f3 | tr '\n' ' '`", 5);
|
---|
937 | mr_asprintf(&tmp,
|
---|
938 | call_program_and_get_last_line_of_output
|
---|
939 | ("mount | grep -E \"cdr(om|w)\""));
|
---|
940 | if (strcmp("", tmp)) {
|
---|
941 | if (strstr(tmp, "autofs")) {
|
---|
942 | log_to_screen
|
---|
943 | (_("Your CD-ROM is mounted via autofs. I therefore cannot tell"));
|
---|
944 | log_to_screen
|
---|
945 | (_("if a CD actually is inserted. If a CD is inserted, please"));
|
---|
946 | log_to_screen(_("eject it. Thank you."));
|
---|
947 | log_it
|
---|
948 | ("Ignoring autofs CD-ROM 'mount' since we hope nothing's in it.");
|
---|
949 | } else
|
---|
950 | if (run_program_and_log_output("uname -a | grep Knoppix", 5)) {
|
---|
951 | retval++;
|
---|
952 | fatal_error
|
---|
953 | ("Your CD-ROM drive is mounted. Please unmount it.");
|
---|
954 | }
|
---|
955 | }
|
---|
956 | mr_free(tmp);
|
---|
957 |
|
---|
958 | run_program_and_log_output("cat /etc/fstab", 5);
|
---|
959 | #ifdef __FreeBSD__
|
---|
960 | run_program_and_log_output("vinum printconfig", 5);
|
---|
961 | #else
|
---|
962 | run_program_and_log_output("cat /etc/raidtab", 5);
|
---|
963 | #endif
|
---|
964 |
|
---|
965 | if (run_program_and_log_output("mindi -V", 1)) {
|
---|
966 | log_to_screen(_("Could not ascertain mindi's version number."));
|
---|
967 | log_to_screen
|
---|
968 | (_("You have not installed Mondo and/or Mindi properly."));
|
---|
969 | log_to_screen(_("Please uninstall and reinstall them both."));
|
---|
970 | fatal_error("Please reinstall Mondo and Mindi.");
|
---|
971 | }
|
---|
972 | mr_asprintf(&tmp, "mindi --makemountlist %s/mountlist.txt.test", bkpinfo->tmpdir);
|
---|
973 | if (run_program_and_log_output(tmp, 5)) {
|
---|
974 | log_to_screen(tmp);
|
---|
975 | log_to_screen
|
---|
976 | (_("failed for some reason."));
|
---|
977 | log_to_screen
|
---|
978 | (_("Please run that command by hand and examine /var/log/mindi.log"));
|
---|
979 | log_to_screen
|
---|
980 | (_("for more information. Perhaps your /etc/fstab file is insane."));
|
---|
981 | log_to_screen
|
---|
982 | (_("Perhaps Mindi's MakeMountlist() subroutine has a bug. We'll see."));
|
---|
983 | retval++;
|
---|
984 | }
|
---|
985 | mr_free(tmp);
|
---|
986 |
|
---|
987 | if (!run_program_and_log_output("parted2fdisk -l | grep -i raid", 1)
|
---|
988 | && !does_file_exist("/etc/raidtab")) {
|
---|
989 | log_to_screen
|
---|
990 | (_("You have RAID partitions but no /etc/raidtab - creating one from "MDSTAT_FILE));
|
---|
991 | create_raidtab_from_mdstat("/etc/raidtab");
|
---|
992 | }
|
---|
993 |
|
---|
994 | if (retval) {
|
---|
995 | mvaddstr_and_log_it(g_currentY++, 74, _("Failed."));
|
---|
996 | } else {
|
---|
997 | mvaddstr_and_log_it(g_currentY++, 74, _("Done."));
|
---|
998 | }
|
---|
999 | return (retval);
|
---|
1000 | }
|
---|
1001 |
|
---|
1002 | /**
|
---|
1003 | * Retrieve the line containing @p label from the config file.
|
---|
1004 | * @param config_file The file to read from, usually @c /tmp/mondo-restore.cfg.
|
---|
1005 | * @param label What to read from the file.
|
---|
1006 | * @param value Where to put it.
|
---|
1007 | * @return 0 for success, 1 for failure.
|
---|
1008 | */
|
---|
1009 | int read_cfg_var(char *config_file, char *label, char *value)
|
---|
1010 | {
|
---|
1011 | /*@ buffer ****************************************************** */
|
---|
1012 | char *command = NULL;
|
---|
1013 | char *tmp = NULL;
|
---|
1014 |
|
---|
1015 | /*@ end vars *************************************************** */
|
---|
1016 |
|
---|
1017 | assert_string_is_neither_NULL_nor_zerolength(config_file);
|
---|
1018 | assert_string_is_neither_NULL_nor_zerolength(label);
|
---|
1019 |
|
---|
1020 | if (!does_file_exist(config_file)) {
|
---|
1021 | mr_asprintf(&tmp, "(read_cfg_var) Cannot find %s config file",
|
---|
1022 | config_file);
|
---|
1023 | log_to_screen(tmp);
|
---|
1024 | mr_free(tmp);
|
---|
1025 | value[0] = '\0';
|
---|
1026 | return (1);
|
---|
1027 | /* } BERLIOS: Useless:
|
---|
1028 | else if (strstr(value, "/dev/") && strstr(value, "t0")
|
---|
1029 | && !strcmp(label, "media-dev")) {
|
---|
1030 | mr_msg(2, "FYI, I shan't read new value for %s - already got %s",
|
---|
1031 | label, value);
|
---|
1032 | return (0);
|
---|
1033 | */ } else {
|
---|
1034 | mr_asprintf(&command, "grep '%s .*' %s| cut -d'=' -f2,3,4,5",
|
---|
1035 | label, config_file);
|
---|
1036 | strcpy(value, call_program_and_get_last_line_of_output(command));
|
---|
1037 | mr_free(command);
|
---|
1038 | if (strlen(value) == 0) {
|
---|
1039 | return (1);
|
---|
1040 | } else {
|
---|
1041 | return (0);
|
---|
1042 | }
|
---|
1043 | }
|
---|
1044 | }
|
---|
1045 |
|
---|
1046 |
|
---|
1047 | /**
|
---|
1048 | * Remount @c supermount if it was unmounted earlier.
|
---|
1049 | */
|
---|
1050 | void remount_supermounts_if_necessary()
|
---|
1051 | {
|
---|
1052 | if (g_remount_cdrom_at_end) {
|
---|
1053 | run_program_and_log_output("mount " MNT_CDROM, FALSE);
|
---|
1054 | }
|
---|
1055 | }
|
---|
1056 |
|
---|
1057 | /**
|
---|
1058 | * Unmount @c supermount if it's mounted.
|
---|
1059 | */
|
---|
1060 | void unmount_supermounts_if_necessary()
|
---|
1061 | {
|
---|
1062 | if (run_program_and_log_output
|
---|
1063 | ("mount | grep cdrom | grep super", FALSE) == 0) {
|
---|
1064 | g_remount_cdrom_at_end = TRUE;
|
---|
1065 | run_program_and_log_output("umount " MNT_CDROM, FALSE);
|
---|
1066 | }
|
---|
1067 | }
|
---|
1068 |
|
---|
1069 | /**
|
---|
1070 | * If this is a distribution like Gentoo that doesn't keep /boot mounted, mount it.
|
---|
1071 | */
|
---|
1072 | void mount_boot_if_necessary()
|
---|
1073 | {
|
---|
1074 | char *tmp = NULL;
|
---|
1075 | char *tmp1 = NULL;
|
---|
1076 | char *command = NULL;
|
---|
1077 |
|
---|
1078 | mr_msg(1, "Started sub");
|
---|
1079 | mr_msg(4, "About to set g_boot_mountpt[0] to '\\0'");
|
---|
1080 | g_boot_mountpt[0] = '\0';
|
---|
1081 | mr_msg(4, "Done. Great. Setting command to something");
|
---|
1082 | mr_asprintf(&command,
|
---|
1083 | "grep -v ':' /etc/fstab | grep -vE '^#.*$' | grep -E \"[ ]/boot[ ]\" | tr -s ' ' '\t' | cut -f1 | head -n1");
|
---|
1084 | mr_msg(4, "Cool. Command = '%s'", command);
|
---|
1085 | mr_asprintf(&tmp, call_program_and_get_last_line_of_output(command));
|
---|
1086 | mr_free(command);
|
---|
1087 |
|
---|
1088 | mr_msg(4, "tmp = '%s'", tmp);
|
---|
1089 | if (tmp[0]) {
|
---|
1090 | log_it("/boot is at %s according to /etc/fstab", tmp);
|
---|
1091 | mr_asprintf(&command, "mount | grep -Ew '/boot'");
|
---|
1092 | mr_asprintf(&tmp1, call_program_and_get_last_line_of_output(command));
|
---|
1093 | mr_free(command);
|
---|
1094 | if (!strcmp(tmp1,"")) {
|
---|
1095 | if ((strstr(tmp1, "LABEL=") || strstr(tmp1,"UUID="))) {
|
---|
1096 | if (!run_program_and_log_output("mount /boot", 5)) {
|
---|
1097 | strcpy(g_boot_mountpt, "/boot");
|
---|
1098 | log_msg(1, "Mounted /boot");
|
---|
1099 | }
|
---|
1100 | } else {
|
---|
1101 | log_it("...ignored cos it's a label or uuid :-)");
|
---|
1102 | }
|
---|
1103 | mr_free(tmp1);
|
---|
1104 | } else {
|
---|
1105 | mr_free(tmp1);
|
---|
1106 | mr_asprintf(&command, "mount | grep -E '^%s'", tmp);
|
---|
1107 | mr_msg(3, "command = %s", command);
|
---|
1108 | if (run_program_and_log_output(command, 5)) {
|
---|
1109 | strcpy(g_boot_mountpt, tmp);
|
---|
1110 | mr_asprintf(&tmp1,
|
---|
1111 | "%s (your /boot partition) is not mounted. I'll mount it before backing up",
|
---|
1112 | g_boot_mountpt);
|
---|
1113 | log_it(tmp1);
|
---|
1114 | mr_free(tmp1);
|
---|
1115 |
|
---|
1116 | mr_asprintf(&tmp1, "mount %s", g_boot_mountpt);
|
---|
1117 | if (run_program_and_log_output(tmp1, 5)) {
|
---|
1118 | g_boot_mountpt[0] = '\0';
|
---|
1119 | mr_msg(1, "Plan B");
|
---|
1120 | if (!run_program_and_log_output("mount /boot", 5)) {
|
---|
1121 | strcpy(g_boot_mountpt, "/boot");
|
---|
1122 | mr_msg(1, "Plan B worked");
|
---|
1123 | } else {
|
---|
1124 | mr_msg(1,
|
---|
1125 | "Plan B failed. Unable to mount /boot for backup purposes. This probably means /boot is mounted already, or doesn't have its own partition.");
|
---|
1126 | }
|
---|
1127 | }
|
---|
1128 | }
|
---|
1129 | mr_free(tmp1);
|
---|
1130 | }
|
---|
1131 | mr_free(command);
|
---|
1132 | }
|
---|
1133 | }
|
---|
1134 | mr_free(tmp);
|
---|
1135 | mr_msg(1, "Ended sub");
|
---|
1136 | }
|
---|
1137 |
|
---|
1138 |
|
---|
1139 | /**
|
---|
1140 | * If we mounted /boot earlier, unmount it.
|
---|
1141 | */
|
---|
1142 | void unmount_boot_if_necessary()
|
---|
1143 | {
|
---|
1144 | char *tmp;
|
---|
1145 |
|
---|
1146 | mr_msg(3, "starting");
|
---|
1147 | if (g_boot_mountpt[0]) {
|
---|
1148 | mr_asprintf(&tmp, "umount %s", g_boot_mountpt);
|
---|
1149 | if (run_program_and_log_output(tmp, 5)) {
|
---|
1150 | log_it("WARNING - unable to unmount /boot");
|
---|
1151 | }
|
---|
1152 | mr_free(tmp);
|
---|
1153 | }
|
---|
1154 | mr_msg(3, "leaving");
|
---|
1155 | }
|
---|
1156 |
|
---|
1157 |
|
---|
1158 | /**
|
---|
1159 | * Write a line to a configuration file. Writes a line of the form,
|
---|
1160 | * @c label @c value.
|
---|
1161 | * @param config_file The file to write to. Usually @c mondo-restore.cfg.
|
---|
1162 | * @param label What to call this bit of data you're writing.
|
---|
1163 | * @param value The bit of data you're writing.
|
---|
1164 | * @return 0 for success, 1 for failure.
|
---|
1165 | */
|
---|
1166 | int write_cfg_var(char *config_file, char *label, char *value)
|
---|
1167 | {
|
---|
1168 | /*@ buffers ***************************************************** */
|
---|
1169 | char *command = NULL;
|
---|
1170 | char *tempfile = NULL;
|
---|
1171 | char *tmp = NULL;
|
---|
1172 |
|
---|
1173 |
|
---|
1174 | /*@ end vars *************************************************** */
|
---|
1175 | assert_string_is_neither_NULL_nor_zerolength(config_file);
|
---|
1176 | assert_string_is_neither_NULL_nor_zerolength(label);
|
---|
1177 | assert(value != NULL);
|
---|
1178 |
|
---|
1179 | if (!does_file_exist(config_file)) {
|
---|
1180 | mr_asprintf(&tmp, "(write_cfg_file) Cannot find %s config file",
|
---|
1181 | config_file);
|
---|
1182 | log_to_screen(tmp);
|
---|
1183 | mr_free(tmp);
|
---|
1184 | return (1);
|
---|
1185 | }
|
---|
1186 | mr_asprintf(&tempfile, "%s/mojo-jojo.blah", bkpinfo->tmpdir);
|
---|
1187 | if (does_file_exist(config_file)) {
|
---|
1188 | mr_asprintf(&command, "grep -vE '^%s .*$' %s > %s",
|
---|
1189 | label, config_file, tempfile);
|
---|
1190 | paranoid_system(command);
|
---|
1191 | mr_free(command);
|
---|
1192 | }
|
---|
1193 | mr_asprintf(&command, "echo \"%s %s\" >> %s", label, value, tempfile);
|
---|
1194 | paranoid_system(command);
|
---|
1195 | mr_free(command);
|
---|
1196 |
|
---|
1197 | mr_asprintf(&command, "mv -f %s %s", tempfile, config_file);
|
---|
1198 | paranoid_system(command);
|
---|
1199 | mr_free(command);
|
---|
1200 | unlink(tempfile);
|
---|
1201 | mr_free(tempfile);
|
---|
1202 | return (0);
|
---|
1203 | }
|
---|
1204 |
|
---|
1205 |
|
---|
1206 | /**
|
---|
1207 | * Allocate or free important globals, depending on @p mal.
|
---|
1208 | * @param mal If TRUE, malloc; if FALSE, free.
|
---|
1209 | */
|
---|
1210 | void do_libmondo_global_strings_thing(int mal)
|
---|
1211 | {
|
---|
1212 | if (mal) {
|
---|
1213 | malloc_string(g_boot_mountpt);
|
---|
1214 | malloc_string(g_tmpfs_mountpt);
|
---|
1215 | malloc_string(g_serial_string);
|
---|
1216 | malloc_string(g_magicdev_command);
|
---|
1217 | } else {
|
---|
1218 | mr_free(g_boot_mountpt);
|
---|
1219 | mr_free(g_tmpfs_mountpt);
|
---|
1220 | mr_free(g_serial_string);
|
---|
1221 | mr_free(g_magicdev_command);
|
---|
1222 | }
|
---|
1223 | }
|
---|
1224 |
|
---|
1225 | /**
|
---|
1226 | * Allocate important globals.
|
---|
1227 | * @see do_libmondo_global_strings_thing
|
---|
1228 | */
|
---|
1229 | void malloc_libmondo_global_strings(void)
|
---|
1230 | {
|
---|
1231 | do_libmondo_global_strings_thing(1);
|
---|
1232 | }
|
---|
1233 |
|
---|
1234 | /**
|
---|
1235 | * Free important globals.
|
---|
1236 | * @see do_libmondo_global_strings_thing
|
---|
1237 | */
|
---|
1238 | void free_libmondo_global_strings(void)
|
---|
1239 | {
|
---|
1240 | do_libmondo_global_strings_thing(0);
|
---|
1241 | }
|
---|
1242 |
|
---|
1243 |
|
---|
1244 |
|
---|
1245 | /**
|
---|
1246 | * Stop @c magicdev if it's running.
|
---|
1247 | * The command used to start it is saved in @p g_magicdev_command.
|
---|
1248 | */
|
---|
1249 | void stop_magicdev_if_necessary()
|
---|
1250 | {
|
---|
1251 | strcpy(g_magicdev_command,
|
---|
1252 | call_program_and_get_last_line_of_output
|
---|
1253 | ("ps ax | grep -w magicdev | grep -v grep | tr -s '\t' ' '| cut -d' ' -f6-99"));
|
---|
1254 | if (g_magicdev_command[0]) {
|
---|
1255 | mr_msg(1, "g_magicdev_command = '%s'", g_magicdev_command);
|
---|
1256 | paranoid_system("killall magicdev");
|
---|
1257 | }
|
---|
1258 | }
|
---|
1259 |
|
---|
1260 |
|
---|
1261 | /**
|
---|
1262 | * Restart magicdev if it was stopped.
|
---|
1263 | */
|
---|
1264 | void restart_magicdev_if_necessary()
|
---|
1265 | {
|
---|
1266 | char *tmp = NULL;
|
---|
1267 |
|
---|
1268 | if (g_magicdev_command && g_magicdev_command[0]) {
|
---|
1269 | mr_asprintf(&tmp, "%s &", g_magicdev_command);
|
---|
1270 | paranoid_system(tmp);
|
---|
1271 | mr_free(tmp);
|
---|
1272 | }
|
---|
1273 | }
|
---|
1274 |
|
---|
1275 | /* @} - end of utilityGroup */
|
---|