1 | /* |
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2 | * A utility to read a Windows NT/2K/XP/2K3 registry file, using |
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3 | * Gerald Carter''s regfio interface. |
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4 | * |
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5 | * Copyright (C) 2005 Timothy D. Morgan |
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6 | * Copyright (C) 2002 Richard Sharpe, rsharpe@richardsharpe.com |
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7 | * |
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8 | * This program is free software; you can redistribute it and/or modify |
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9 | * it under the terms of the GNU General Public License as published by |
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10 | * the Free Software Foundation; version 2 of the License. |
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11 | * |
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12 | * This program is distributed in the hope that it will be useful, |
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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15 | * GNU General Public License for more details. |
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16 | * |
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17 | * You should have received a copy of the GNU General Public License |
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18 | * along with this program; if not, write to the Free Software |
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19 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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20 | * |
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21 | * $Id: reglookup.c 55 2005-09-05 01:41:26Z tim $ |
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22 | */ |
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23 | |
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24 | |
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25 | #include <stdlib.h> |
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26 | #include <stdio.h> |
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27 | #include <string.h> |
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28 | #include <strings.h> |
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29 | #include <time.h> |
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30 | #include "../include/regfio.h" |
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31 | #include "../include/void_stack.h" |
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32 | |
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33 | /* Globals, influenced by command line parameters */ |
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34 | bool print_verbose = false; |
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35 | bool print_security = false; |
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36 | bool print_header = true; |
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37 | bool path_filter_enabled = false; |
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38 | bool type_filter_enabled = false; |
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39 | char* path_filter = NULL; |
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40 | int type_filter; |
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41 | char* registry_file = NULL; |
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42 | |
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43 | /* Other globals */ |
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44 | const char* special_chars = ",\"\\"; |
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45 | |
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46 | void bailOut(int code, char* message) |
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47 | { |
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48 | fprintf(stderr, message); |
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49 | exit(code); |
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50 | } |
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51 | |
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52 | |
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53 | /* Returns a newly malloc()ed string which contains original buffer, |
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54 | * except for non-printable or special characters are quoted in hex |
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55 | * with the syntax '\xQQ' where QQ is the hex ascii value of the quoted |
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56 | * character. A null terminator is added, as only ascii, not binary, |
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57 | * is returned. |
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58 | */ |
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59 | static char* quote_buffer(const unsigned char* str, |
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60 | unsigned int len, const char* special) |
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61 | { |
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62 | unsigned int i; |
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63 | unsigned int num_written=0; |
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64 | unsigned int out_len = sizeof(char)*len+1; |
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65 | char* ret_val = malloc(out_len); |
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66 | |
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67 | if(ret_val == NULL) |
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68 | return NULL; |
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69 | |
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70 | for(i=0; i<len; i++) |
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71 | { |
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72 | if(str[i] < 32 || str[i] > 126 || strchr(special, str[i]) != NULL) |
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73 | { |
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74 | out_len += 3; |
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75 | /* XXX: may not be the most efficient way of getting enough memory. */ |
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76 | ret_val = realloc(ret_val, out_len); |
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77 | if(ret_val == NULL) |
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78 | break; |
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79 | num_written += snprintf(ret_val+num_written, (out_len)-num_written, |
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80 | "\\x%.2X", str[i]); |
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81 | } |
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82 | else |
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83 | ret_val[num_written++] = str[i]; |
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84 | } |
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85 | ret_val[num_written] = '\0'; |
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86 | |
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87 | return ret_val; |
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88 | } |
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89 | |
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90 | |
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91 | /* Returns a newly malloc()ed string which contains original string, |
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92 | * except for non-printable or special characters are quoted in hex |
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93 | * with the syntax '\xQQ' where QQ is the hex ascii value of the quoted |
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94 | * character. |
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95 | */ |
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96 | static char* quote_string(const char* str, const char* special) |
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97 | { |
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98 | unsigned int len; |
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99 | |
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100 | if(str == NULL) |
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101 | return NULL; |
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102 | |
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103 | len = strlen(str); |
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104 | return quote_buffer((const unsigned char*)str, len, special); |
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105 | } |
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106 | |
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107 | |
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108 | /* |
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109 | * Convert from UniCode to Ascii ... Does not take into account other lang |
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110 | * Restrict by ascii_max if > 0 |
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111 | */ |
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112 | static int uni_to_ascii(unsigned char *uni, unsigned char *ascii, |
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113 | int ascii_max, int uni_max) |
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114 | { |
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115 | int i = 0; |
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116 | |
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117 | while (i < ascii_max && (uni[i*2] || uni[i*2+1])) |
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118 | { |
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119 | if (uni_max > 0 && (i*2) >= uni_max) break; |
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120 | ascii[i] = uni[i*2]; |
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121 | i++; |
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122 | } |
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123 | ascii[i] = '\0'; |
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124 | |
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125 | return i; |
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126 | } |
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127 | |
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128 | |
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129 | /* |
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130 | * Convert a data value to a string for display |
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131 | */ |
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132 | static unsigned char* data_to_ascii(unsigned char *datap, int len, int type) |
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133 | { |
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134 | unsigned char *asciip; |
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135 | unsigned int i; |
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136 | unsigned short num_nulls; |
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137 | unsigned char* ascii; |
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138 | unsigned char* cur_str; |
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139 | unsigned char* cur_ascii; |
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140 | char* cur_quoted; |
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141 | unsigned int cur_str_len; |
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142 | unsigned int ascii_max, cur_str_max; |
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143 | unsigned int str_rem, cur_str_rem, alen; |
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144 | |
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145 | switch (type) |
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146 | { |
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147 | case REG_SZ: |
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148 | ascii_max = sizeof(char)*len; |
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149 | ascii = malloc(ascii_max+4); |
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150 | if(ascii == NULL) |
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151 | return NULL; |
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152 | |
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153 | /* XXX: This has to be fixed. It has to be UNICODE */ |
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154 | uni_to_ascii(datap, ascii, len, ascii_max); |
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155 | cur_quoted = quote_string((char*)ascii, special_chars); |
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156 | free(ascii); |
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157 | return (unsigned char*)cur_quoted; |
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158 | break; |
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159 | |
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160 | case REG_EXPAND_SZ: |
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161 | ascii_max = sizeof(char)*len; |
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162 | ascii = malloc(ascii_max+2); |
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163 | if(ascii == NULL) |
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164 | return NULL; |
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165 | |
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166 | uni_to_ascii(datap, ascii, len, ascii_max); |
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167 | cur_quoted = quote_string((char*)ascii, special_chars); |
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168 | free(ascii); |
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169 | return (unsigned char*)cur_quoted; |
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170 | break; |
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171 | |
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172 | case REG_DWORD: |
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173 | ascii_max = sizeof(char)*10; |
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174 | ascii = malloc(ascii_max+1); |
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175 | if(ascii == NULL) |
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176 | return NULL; |
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177 | |
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178 | if (*(int *)datap == 0) |
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179 | snprintf((char*)ascii, ascii_max, "0"); |
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180 | else |
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181 | snprintf((char*)ascii, ascii_max, "0x%x", *(int *)datap); |
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182 | return ascii; |
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183 | break; |
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184 | |
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185 | /* XXX: this MULTI_SZ parser is pretty inefficient. Should be |
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186 | * redone with fewer malloc calls and better string concatenation. |
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187 | */ |
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188 | case REG_MULTI_SZ: |
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189 | ascii_max = sizeof(char)*len*4; |
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190 | cur_str_max = sizeof(char)*len+1; |
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191 | cur_str = malloc(cur_str_max); |
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192 | cur_ascii = malloc(cur_str_max); |
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193 | ascii = malloc(ascii_max+4); |
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194 | if(ascii == NULL || cur_str == NULL || cur_ascii == NULL) |
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195 | return NULL; |
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196 | |
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197 | /* Reads until it reaches 4 consecutive NULLs, |
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198 | * which is two nulls in unicode, or until it reaches len, or until we |
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199 | * run out of buffer. The latter should never happen, but we shouldn't |
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200 | * trust our file to have the right lengths/delimiters. |
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201 | */ |
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202 | asciip = ascii; |
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203 | num_nulls = 0; |
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204 | str_rem = ascii_max; |
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205 | cur_str_rem = cur_str_max; |
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206 | cur_str_len = 0; |
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207 | |
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208 | for(i=0; (i < len) && str_rem > 0; i++) |
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209 | { |
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210 | *(cur_str+cur_str_len) = *(datap+i); |
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211 | if(*(cur_str+cur_str_len) == 0) |
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212 | num_nulls++; |
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213 | else |
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214 | num_nulls = 0; |
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215 | cur_str_len++; |
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216 | |
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217 | if(num_nulls == 2) |
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218 | { |
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219 | uni_to_ascii(cur_str, cur_ascii, cur_str_max, 0); |
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220 | cur_quoted = quote_string((char*)cur_ascii, ",|\"\\"); |
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221 | alen = snprintf((char*)asciip, str_rem, "%s", cur_quoted); |
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222 | asciip += alen; |
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223 | str_rem -= alen; |
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224 | free(cur_quoted); |
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225 | |
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226 | if(*(datap+i+1) == 0 && *(datap+i+2) == 0) |
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227 | break; |
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228 | else |
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229 | { |
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230 | alen = snprintf((char*)asciip, str_rem, "%c", '|'); |
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231 | asciip += alen; |
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232 | str_rem -= alen; |
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233 | memset(cur_str, 0, cur_str_max); |
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234 | cur_str_len = 0; |
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235 | num_nulls = 0; |
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236 | /* To eliminate leading nulls in subsequent strings. */ |
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237 | i++; |
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238 | } |
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239 | } |
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240 | } |
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241 | *asciip = 0; |
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242 | free(cur_str); |
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243 | free(cur_ascii); |
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244 | return ascii; |
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245 | break; |
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246 | |
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247 | /* XXX: Dont know what to do with these yet, just print as binary... */ |
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248 | case REG_RESOURCE_LIST: |
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249 | case REG_FULL_RESOURCE_DESCRIPTOR: |
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250 | case REG_RESOURCE_REQUIREMENTS_LIST: |
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251 | |
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252 | case REG_BINARY: |
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253 | return (unsigned char*)quote_buffer(datap, len, special_chars); |
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254 | break; |
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255 | |
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256 | default: |
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257 | return NULL; |
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258 | break; |
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259 | } |
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260 | |
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261 | return NULL; |
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262 | } |
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263 | |
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264 | |
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265 | void_stack* path2Stack(const char* s) |
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266 | { |
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267 | void_stack* ret_val; |
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268 | void_stack* rev_ret = void_stack_new(1024); |
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269 | const char* cur = s; |
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270 | char* next = NULL; |
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271 | char* copy; |
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272 | |
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273 | if (rev_ret == NULL) |
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274 | return NULL; |
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275 | if (s == NULL) |
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276 | return rev_ret; |
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277 | |
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278 | while((next = strchr(cur, '/')) != NULL) |
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279 | { |
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280 | if ((next-cur) > 0) |
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281 | { |
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282 | copy = (char*)malloc((next-cur+1)*sizeof(char)); |
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283 | if(copy == NULL) |
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284 | bailOut(2, "ERROR: Memory allocation problem.\n"); |
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285 | |
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286 | memcpy(copy, cur, next-cur); |
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287 | copy[next-cur] = '\0'; |
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288 | void_stack_push(rev_ret, copy); |
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289 | } |
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290 | cur = next+1; |
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291 | } |
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292 | if(strlen(cur) > 0) |
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293 | { |
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294 | copy = strdup(cur); |
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295 | void_stack_push(rev_ret, copy); |
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296 | } |
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297 | |
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298 | ret_val = void_stack_copy_reverse(rev_ret); |
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299 | void_stack_destroy(rev_ret); |
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300 | |
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301 | return ret_val; |
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302 | } |
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303 | |
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304 | |
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305 | char* stack2Path(void_stack* nk_stack) |
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306 | { |
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307 | const REGF_NK_REC* cur; |
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308 | uint32 buf_left = 127; |
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309 | uint32 buf_len = buf_left+1; |
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310 | uint32 name_len = 0; |
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311 | uint32 grow_amt; |
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312 | char* buf; |
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313 | char* new_buf; |
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314 | void_stack_iterator* iter; |
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315 | |
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316 | buf = (char*)malloc((buf_len)*sizeof(char)); |
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317 | if (buf == NULL) |
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318 | return NULL; |
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319 | buf[0] = '\0'; |
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320 | |
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321 | iter = void_stack_iterator_new(nk_stack); |
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322 | if (iter == NULL) |
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323 | { |
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324 | free(buf); |
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325 | return NULL; |
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326 | } |
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327 | |
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328 | /* skip root element */ |
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329 | cur = void_stack_iterator_next(iter); |
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330 | |
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331 | while((cur = void_stack_iterator_next(iter)) != NULL) |
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332 | { |
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333 | buf[buf_len-buf_left-1] = '/'; |
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334 | buf_left -= 1; |
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335 | name_len = strlen(cur->keyname); |
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336 | if(name_len+1 > buf_left) |
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337 | { |
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338 | grow_amt = (uint32)(buf_len/2); |
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339 | buf_len += name_len+1+grow_amt-buf_left; |
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340 | if((new_buf = realloc(buf, buf_len)) == NULL) |
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341 | { |
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342 | free(buf); |
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343 | free(iter); |
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344 | return NULL; |
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345 | } |
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346 | buf = new_buf; |
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347 | buf_left = grow_amt + name_len + 1; |
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348 | } |
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349 | strncpy(buf+(buf_len-buf_left-1), cur->keyname, name_len); |
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350 | buf_left -= name_len; |
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351 | buf[buf_len-buf_left-1] = '\0'; |
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352 | } |
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353 | |
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354 | return buf; |
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355 | } |
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356 | |
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357 | |
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358 | void printValue(REGF_VK_REC* vk, char* prefix) |
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359 | { |
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360 | uint32 size; |
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361 | uint8 tmp_buf[4]; |
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362 | unsigned char* quoted_value; |
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363 | char* quoted_prefix; |
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364 | char* quoted_name; |
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365 | |
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366 | /* Thanks Microsoft for making this process so straight-forward!!! */ |
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367 | size = (vk->data_size & ~VK_DATA_IN_OFFSET); |
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368 | if(vk->data_size & VK_DATA_IN_OFFSET) |
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369 | { |
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370 | tmp_buf[0] = (uint8)((vk->data_off >> 3) & 0xFF); |
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371 | tmp_buf[1] = (uint8)((vk->data_off >> 2) & 0xFF); |
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372 | tmp_buf[2] = (uint8)((vk->data_off >> 1) & 0xFF); |
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373 | tmp_buf[3] = (uint8)(vk->data_off & 0xFF); |
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374 | if(size > 4) |
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375 | size = 4; |
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376 | quoted_value = data_to_ascii(tmp_buf, 4, vk->type); |
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377 | } |
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378 | else |
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379 | { |
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380 | /* XXX: This is a safety hack. No data fields have yet been found |
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381 | * larger, but length limits are probably better got from fields |
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382 | * in the registry itself, within reason. |
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383 | */ |
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384 | if(size > 16384) |
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385 | { |
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386 | fprintf(stderr, "WARNING: key size %d larger than " |
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387 | "16384, truncating...\n", size); |
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388 | size = 16384; |
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389 | } |
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390 | quoted_value = data_to_ascii(vk->data, vk->data_size, vk->type); |
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391 | } |
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392 | |
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393 | /* XXX: Sometimes value names can be NULL in registry. Need to |
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394 | * figure out why and when, and generate the appropriate output |
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395 | * for that condition. |
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396 | */ |
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397 | quoted_prefix = quote_string(prefix, special_chars); |
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398 | quoted_name = quote_string(vk->valuename, special_chars); |
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399 | |
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400 | if(print_security) |
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401 | printf("%s/%s,%s,%s,,,,,\n", quoted_prefix, quoted_name, |
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402 | regfio_type_val2str(vk->type), quoted_value); |
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403 | else |
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404 | printf("%s/%s,%s,%s,\n", quoted_prefix, quoted_name, |
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405 | regfio_type_val2str(vk->type), quoted_value); |
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406 | |
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407 | if(quoted_value != NULL) |
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408 | free(quoted_value); |
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409 | if(quoted_prefix != NULL) |
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410 | free(quoted_prefix); |
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411 | if(quoted_name != NULL) |
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412 | free(quoted_name); |
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413 | } |
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414 | |
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415 | |
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416 | void printValueList(REGF_NK_REC* nk, char* prefix) |
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417 | { |
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418 | uint32 i; |
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419 | |
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420 | for(i=0; i < nk->num_values; i++) |
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421 | if(!type_filter_enabled || (nk->values[i].type == type_filter)) |
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422 | printValue(&nk->values[i], prefix); |
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423 | } |
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424 | |
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425 | |
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426 | void printKey(REGF_NK_REC* k, char* full_path) |
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427 | { |
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428 | static char empty_str[1] = ""; |
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429 | char* owner = NULL; |
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430 | char* group = NULL; |
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431 | char* sacl = NULL; |
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432 | char* dacl = NULL; |
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433 | char mtime[20]; |
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434 | time_t tmp_time[1]; |
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435 | struct tm* tmp_time_s = NULL; |
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436 | |
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437 | *tmp_time = nt_time_to_unix(&k->mtime); |
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438 | tmp_time_s = gmtime(tmp_time); |
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439 | strftime(mtime, sizeof(mtime), "%Y-%m-%d %H:%M:%S", tmp_time_s); |
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440 | |
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441 | if(print_security) |
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442 | { |
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443 | owner = regfio_get_owner(k->sec_desc->sec_desc); |
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444 | group = regfio_get_group(k->sec_desc->sec_desc); |
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445 | sacl = regfio_get_sacl(k->sec_desc->sec_desc); |
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446 | dacl = regfio_get_dacl(k->sec_desc->sec_desc); |
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447 | if(owner == NULL) |
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448 | owner = empty_str; |
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449 | if(group == NULL) |
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450 | group = empty_str; |
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451 | if(sacl == NULL) |
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452 | sacl = empty_str; |
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453 | if(dacl == NULL) |
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454 | dacl = empty_str; |
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455 | |
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456 | printf("%s,KEY,,%s,%s,%s,%s,%s\n", full_path, mtime, |
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457 | owner, group, sacl, dacl); |
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458 | |
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459 | if(owner != empty_str) |
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460 | free(owner); |
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461 | if(group != empty_str) |
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462 | free(group); |
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463 | if(sacl != empty_str) |
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464 | free(sacl); |
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465 | if(dacl != empty_str) |
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466 | free(dacl); |
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467 | } |
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468 | else |
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469 | printf("%s,KEY,,%s\n", full_path, mtime); |
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470 | } |
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471 | |
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472 | |
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473 | /* XXX: this function is awful. Needs to be re-designed. */ |
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474 | void printKeyTree(REGF_FILE* f, void_stack* nk_stack, char* prefix) |
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475 | { |
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476 | REGF_NK_REC* cur = NULL; |
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477 | REGF_NK_REC* sub = NULL; |
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478 | char* path = NULL; |
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479 | char* val_path = NULL; |
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480 | int key_type = regfio_type_str2val("KEY"); |
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481 | |
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482 | if((cur = (REGF_NK_REC*)void_stack_cur(nk_stack)) != NULL) |
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483 | { |
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484 | cur->subkey_index = 0; |
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485 | path = stack2Path(nk_stack); |
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486 | |
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487 | if(print_verbose) |
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488 | { |
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489 | if(prefix[0] == '\0') |
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490 | fprintf(stderr, "VERBOSE: Printing key tree under path: /\n"); |
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491 | else |
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492 | fprintf(stderr, "VERBOSE: Printing key tree under path: %s\n", |
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493 | prefix); |
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494 | } |
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495 | |
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496 | val_path = (char*)malloc(strlen(prefix)+strlen(path)+1); |
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497 | sprintf(val_path, "%s%s", prefix, path); |
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498 | if(val_path[0] == '\0') |
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499 | { |
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500 | val_path[0] = '/'; |
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501 | val_path[1] = '\0'; |
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502 | } |
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503 | |
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504 | if(!type_filter_enabled || (key_type == type_filter)) |
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505 | printKey(cur, val_path); |
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506 | if(!type_filter_enabled || (key_type != type_filter)) |
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507 | printValueList(cur, val_path); |
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508 | if(val_path != NULL) |
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509 | free(val_path); |
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510 | while((cur = (REGF_NK_REC*)void_stack_cur(nk_stack)) != NULL) |
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511 | { |
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512 | if((sub = regfio_fetch_subkey(f, cur)) != NULL) |
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513 | { |
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514 | sub->subkey_index = 0; |
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515 | void_stack_push(nk_stack, sub); |
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516 | path = stack2Path(nk_stack); |
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517 | if(path != NULL) |
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518 | { |
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519 | val_path = (char*)malloc(strlen(prefix)+strlen(path)+1); |
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520 | sprintf(val_path, "%s%s", prefix, path); |
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521 | if(!type_filter_enabled || (key_type == type_filter)) |
---|
522 | printKey(sub, val_path); |
---|
523 | if(!type_filter_enabled || (key_type != type_filter)) |
---|
524 | printValueList(sub, val_path); |
---|
525 | if(val_path != NULL) |
---|
526 | free(val_path); |
---|
527 | } |
---|
528 | } |
---|
529 | else |
---|
530 | { |
---|
531 | cur = void_stack_pop(nk_stack); |
---|
532 | /* XXX: This is just a shallow free. Need to write deep free |
---|
533 | * routines to replace the Samba code for this. |
---|
534 | */ |
---|
535 | if(cur != NULL) |
---|
536 | free(cur); |
---|
537 | } |
---|
538 | } |
---|
539 | } |
---|
540 | if(print_verbose) |
---|
541 | fprintf(stderr, "VERBOSE: Finished printing key tree.\n"); |
---|
542 | } |
---|
543 | |
---|
544 | |
---|
545 | /* |
---|
546 | * Returns 0 if path was found. |
---|
547 | * Returns 1 if path was not found. |
---|
548 | * Returns less than 0 on other error. |
---|
549 | */ |
---|
550 | int retrievePath(REGF_FILE* f, void_stack* nk_stack, |
---|
551 | void_stack* path_stack) |
---|
552 | { |
---|
553 | REGF_NK_REC* sub = NULL; |
---|
554 | REGF_NK_REC* cur = NULL; |
---|
555 | void_stack* sub_nk_stack; |
---|
556 | char* prefix; |
---|
557 | uint32 prefix_len; |
---|
558 | char* cur_str = NULL; |
---|
559 | char* path = NULL; |
---|
560 | bool found_cur = true; |
---|
561 | uint32 i; |
---|
562 | uint16 path_depth; |
---|
563 | if(path_stack == NULL) |
---|
564 | return -1; |
---|
565 | |
---|
566 | path_depth = void_stack_size(path_stack); |
---|
567 | if(path_depth < 1) |
---|
568 | return -2; |
---|
569 | |
---|
570 | if(void_stack_size(nk_stack) < 1) |
---|
571 | return -3; |
---|
572 | cur = (REGF_NK_REC*)void_stack_cur(nk_stack); |
---|
573 | |
---|
574 | if(print_verbose) |
---|
575 | fprintf(stderr, "VERBOSE: Beginning retrieval of specified path: %s\n", |
---|
576 | path_filter); |
---|
577 | |
---|
578 | while(void_stack_size(path_stack) > 1) |
---|
579 | { |
---|
580 | /* Search key records only */ |
---|
581 | cur_str = (char*)void_stack_pop(path_stack); |
---|
582 | |
---|
583 | found_cur = false; |
---|
584 | while(!found_cur && |
---|
585 | (sub = regfio_fetch_subkey(f, cur)) != NULL) |
---|
586 | { |
---|
587 | if(strcasecmp(sub->keyname, cur_str) == 0) |
---|
588 | { |
---|
589 | cur = sub; |
---|
590 | void_stack_push(nk_stack, sub); |
---|
591 | found_cur = true; |
---|
592 | } |
---|
593 | } |
---|
594 | if(print_verbose && !found_cur) |
---|
595 | fprintf(stderr, "VERBOSE: Could not find KEY '%s' in specified path.\n", |
---|
596 | cur_str); |
---|
597 | |
---|
598 | free(cur_str); |
---|
599 | if(!found_cur) |
---|
600 | return 1; |
---|
601 | } |
---|
602 | |
---|
603 | /* Last round, search value and key records */ |
---|
604 | cur_str = (char*)void_stack_pop(path_stack); |
---|
605 | |
---|
606 | if(print_verbose) |
---|
607 | fprintf(stderr, "VERBOSE: Searching values for last component" |
---|
608 | " of specified path.\n"); |
---|
609 | |
---|
610 | for(i=0; (i < cur->num_values); i++) |
---|
611 | { |
---|
612 | /* XXX: Not sure when/why this can be NULL, but it's happened. */ |
---|
613 | if(sub->values[i].valuename != NULL |
---|
614 | && strcasecmp(sub->values[i].valuename, cur_str) == 0) |
---|
615 | { |
---|
616 | path = stack2Path(nk_stack); |
---|
617 | |
---|
618 | if(print_verbose) |
---|
619 | fprintf(stderr, "VERBOSE: Found final path element as value.\n"); |
---|
620 | |
---|
621 | if(!type_filter_enabled || (&sub->values[i].type == type_filter)) |
---|
622 | printValue(&sub->values[i], path); |
---|
623 | if(path != NULL) |
---|
624 | free(path); |
---|
625 | |
---|
626 | return 0; |
---|
627 | } |
---|
628 | } |
---|
629 | |
---|
630 | if(print_verbose) |
---|
631 | fprintf(stderr, "VERBOSE: Searching keys for last component" |
---|
632 | " of specified path.\n"); |
---|
633 | |
---|
634 | while((sub = regfio_fetch_subkey(f, cur)) != NULL) |
---|
635 | { |
---|
636 | if(strcasecmp(sub->keyname, cur_str) == 0) |
---|
637 | { |
---|
638 | sub_nk_stack = void_stack_new(1024); |
---|
639 | void_stack_push(sub_nk_stack, sub); |
---|
640 | prefix = stack2Path(nk_stack); |
---|
641 | prefix_len = strlen(prefix); |
---|
642 | prefix = realloc(prefix, prefix_len+strlen(sub->keyname)+2); |
---|
643 | if(prefix == NULL) |
---|
644 | return -1; |
---|
645 | strcat(prefix, "/"); |
---|
646 | strcat(prefix, sub->keyname); |
---|
647 | |
---|
648 | if(print_verbose) |
---|
649 | fprintf(stderr, "VERBOSE: Found final path element as key.\n"); |
---|
650 | |
---|
651 | printKeyTree(f, sub_nk_stack, prefix); |
---|
652 | |
---|
653 | return 0; |
---|
654 | } |
---|
655 | } |
---|
656 | |
---|
657 | if(print_verbose) |
---|
658 | fprintf(stderr, "VERBOSE: Could not find last element of path.\n"); |
---|
659 | |
---|
660 | return 1; |
---|
661 | } |
---|
662 | |
---|
663 | |
---|
664 | static void usage(void) |
---|
665 | { |
---|
666 | fprintf(stderr, "Usage: readreg [-v] [-s]" |
---|
667 | " [-p <PATH_FILTER>] [-t <TYPE_FILTER>]" |
---|
668 | " <REGISTRY_FILE>\n"); |
---|
669 | /* XXX: replace version string with Subversion property? */ |
---|
670 | fprintf(stderr, "Version: 0.2.1\n"); |
---|
671 | fprintf(stderr, "Options:\n"); |
---|
672 | fprintf(stderr, "\t-v\t sets verbose mode.\n"); |
---|
673 | fprintf(stderr, "\t-h\t enables header row. (default)\n"); |
---|
674 | fprintf(stderr, "\t-H\t disables header row.\n"); |
---|
675 | fprintf(stderr, "\t-s\t enables security descriptor output.\n"); |
---|
676 | fprintf(stderr, "\t-S\t disables security descriptor output. (default)\n"); |
---|
677 | fprintf(stderr, "\t-p\t restrict output to elements below this path.\n"); |
---|
678 | fprintf(stderr, "\t-t\t restrict results to this specific data type.\n"); |
---|
679 | fprintf(stderr, "\n"); |
---|
680 | } |
---|
681 | |
---|
682 | |
---|
683 | int main(int argc, char** argv) |
---|
684 | { |
---|
685 | void_stack* nk_stack; |
---|
686 | void_stack* path_stack; |
---|
687 | REGF_FILE* f; |
---|
688 | REGF_NK_REC* root; |
---|
689 | int retr_path_ret; |
---|
690 | uint32 argi, arge; |
---|
691 | |
---|
692 | /* Process command line arguments */ |
---|
693 | if(argc < 2) |
---|
694 | { |
---|
695 | usage(); |
---|
696 | bailOut(1, "ERROR: Requires at least one argument.\n"); |
---|
697 | } |
---|
698 | |
---|
699 | arge = argc-1; |
---|
700 | for(argi = 1; argi < arge; argi++) |
---|
701 | { |
---|
702 | if (strcmp("-p", argv[argi]) == 0) |
---|
703 | { |
---|
704 | if(++argi >= arge) |
---|
705 | { |
---|
706 | usage(); |
---|
707 | bailOut(1, "ERROR: '-p' option requires parameter.\n"); |
---|
708 | } |
---|
709 | if((path_filter = strdup(argv[argi])) == NULL) |
---|
710 | bailOut(2, "ERROR: Memory allocation problem.\n"); |
---|
711 | |
---|
712 | path_filter_enabled = true; |
---|
713 | } |
---|
714 | else if (strcmp("-t", argv[argi]) == 0) |
---|
715 | { |
---|
716 | if(++argi >= arge) |
---|
717 | { |
---|
718 | usage(); |
---|
719 | bailOut(1, "ERROR: '-t' option requires parameter.\n"); |
---|
720 | } |
---|
721 | if((type_filter = regfio_type_str2val(argv[argi])) == 0) |
---|
722 | { |
---|
723 | fprintf(stderr, "ERROR: Invalid type specified: %s.\n", argv[argi]); |
---|
724 | bailOut(1, ""); |
---|
725 | } |
---|
726 | |
---|
727 | type_filter_enabled = true; |
---|
728 | } |
---|
729 | else if (strcmp("-h", argv[argi]) == 0) |
---|
730 | print_header = true; |
---|
731 | else if (strcmp("-H", argv[argi]) == 0) |
---|
732 | print_header = false; |
---|
733 | else if (strcmp("-s", argv[argi]) == 0) |
---|
734 | print_security = true; |
---|
735 | else if (strcmp("-S", argv[argi]) == 0) |
---|
736 | print_security = false; |
---|
737 | else if (strcmp("-v", argv[argi]) == 0) |
---|
738 | print_verbose = true; |
---|
739 | else |
---|
740 | { |
---|
741 | usage(); |
---|
742 | fprintf(stderr, "ERROR: Unrecognized option: %s\n", argv[argi]); |
---|
743 | bailOut(1, ""); |
---|
744 | } |
---|
745 | } |
---|
746 | if((registry_file = strdup(argv[argi])) == NULL) |
---|
747 | bailOut(2, "ERROR: Memory allocation problem.\n"); |
---|
748 | |
---|
749 | f = regfio_open(registry_file); |
---|
750 | if(f == NULL) |
---|
751 | { |
---|
752 | fprintf(stderr, "ERROR: Couldn't open registry file: %s\n", registry_file); |
---|
753 | bailOut(3, ""); |
---|
754 | } |
---|
755 | |
---|
756 | root = regfio_rootkey(f); |
---|
757 | nk_stack = void_stack_new(1024); |
---|
758 | |
---|
759 | if(void_stack_push(nk_stack, root)) |
---|
760 | { |
---|
761 | if(print_header) |
---|
762 | { |
---|
763 | if(print_security) |
---|
764 | printf("PATH,TYPE,VALUE,MTIME,OWNER,GROUP,SACL,DACL\n"); |
---|
765 | else |
---|
766 | printf("PATH,TYPE,VALUE,MTIME\n"); |
---|
767 | } |
---|
768 | |
---|
769 | path_stack = path2Stack(path_filter); |
---|
770 | if(void_stack_size(path_stack) < 1) |
---|
771 | printKeyTree(f, nk_stack, ""); |
---|
772 | else |
---|
773 | { |
---|
774 | retr_path_ret = retrievePath(f, nk_stack, path_stack); |
---|
775 | if(retr_path_ret == 1) |
---|
776 | fprintf(stderr, "WARNING: specified path not found.\n"); |
---|
777 | else if(retr_path_ret != 0) |
---|
778 | bailOut(4, "ERROR:\n"); |
---|
779 | } |
---|
780 | } |
---|
781 | else |
---|
782 | bailOut(2, "ERROR: Memory allocation problem.\n"); |
---|
783 | |
---|
784 | void_stack_destroy_deep(nk_stack); |
---|
785 | regfio_close(f); |
---|
786 | |
---|
787 | return 0; |
---|
788 | } |
---|