1 | /**********************************************************************
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2 | *
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3 | * setpasswd.cpp --
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4 | * Copyright (C) 2000 The New Zealand Digital Library Project
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5 | *
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6 | * A component of the Greenstone digital library software
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7 | * from the New Zealand Digital Library Project at the
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8 | * University of Waikato, New Zealand.
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9 | *
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10 | * This program is free software; you can redistribute it and/or modify
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11 | * it under the terms of the GNU General Public License as published by
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12 | * the Free Software Foundation; either version 2 of the License, or
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13 | * (at your option) any later version.
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14 | *
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15 | * This program is distributed in the hope that it will be useful,
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16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 | * GNU General Public License for more details.
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19 | *
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20 | * You should have received a copy of the GNU General Public License
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21 | * along with this program; if not, write to the Free Software
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22 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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23 | *
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24 | *********************************************************************/
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25 |
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26 | // setpasswd is a windows application that can be used to encrypt a password
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27 | // and write it (along with its corresponding username) to a gdbm database.
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28 |
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29 | // it handles writing to the gdbm database itself to avoid having to call
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30 | // the txt2db console application (and therefore avoiding the console
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31 | // window popping up when called from another windows application).
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32 |
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33 | // note that setpasswd does no checking to make sure that any of it's
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34 | // input arguments are valid (or even reasonable) values.
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35 |
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36 | // this program should be compiled into a binary called setpw.exe (to be
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37 | // short enough not to mess with 16 bit Windows platforms).
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38 |
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39 | // usage:
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40 | // setpw -u username -p password -o output_gdbm_file
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41 |
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42 | #include "text_t.h"
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43 | #include "crypt.h"
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44 | #include "autoconf.h"
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45 | #include "systems.h"
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46 | #include "gdbmconst.h"
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47 | #include "gdbm.h"
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48 |
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49 | #include <windows.h>
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50 |
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51 | text_t username;
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52 | text_t password;
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53 | text_t output_gdbm_file;
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54 |
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55 | bool parse_cmdline (LPSTR cmdline) {
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56 |
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57 | bool in_quote = false;
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58 | text_t arg;
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59 | text_tarray args;
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60 | unsigned char *c = (unsigned char *)cmdline;
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61 | while (*c != '\0') {
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62 | if (*c == '"') {
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63 | if (!in_quote) {
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64 | in_quote = true;
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65 | } else {
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66 | in_quote = false;
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67 | if (!arg.empty()) args.push_back (arg);
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68 | arg.clear();
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69 | }
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70 | } else if (*c == ' ' && !in_quote) {
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71 | if (!arg.empty()) args.push_back (arg);
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72 | arg.clear();
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73 | } else {
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74 | arg.push_back (*c);
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75 | }
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76 | c ++;
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77 | }
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78 | if (!arg.empty()) args.push_back (arg);
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79 |
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80 | text_tarray::const_iterator here = args.begin();
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81 | text_tarray::const_iterator end = args.end();
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82 | while (here != end) {
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83 | if (*here == "-u" && (++here != end)) username = *here;
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84 | else if (*here == "-p" && (++here != end)) password = *here;
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85 | else if (*here == "-o" && (++here != end)) output_gdbm_file = *here;
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86 | if (here != end) here ++;
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87 | }
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88 | if (username.empty() || password.empty() || output_gdbm_file.empty()) {
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89 | MessageBox (NULL, "Usage:\n setpasswd -u username -p password -o output_gdbm_file",
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90 | "setpasswd failed", MB_OK);
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91 | return false;
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92 | }
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93 | return true;
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94 | }
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95 |
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96 | text_t crypt_text (const text_t &text) {
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97 | static const char *salt = "Tp";
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98 | text_t crypt_password;
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99 |
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100 | if (text.empty()) return "";
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101 |
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102 | // encrypt the password
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103 | char *text_cstr = text.getcstr();
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104 | if (text_cstr == NULL) return "";
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105 | crypt_password = crypt(text_cstr, salt);
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106 | delete text_cstr;
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107 |
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108 | return crypt_password;
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109 | }
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110 |
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111 | bool add_to_db () {
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112 |
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113 | int block_size = 0;
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114 | GDBM_FILE dbf;
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115 | char *dbname = output_gdbm_file.getcstr();
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116 |
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117 | // open the database
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118 | int read_write = GDBM_WRCREAT;
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119 | dbf = gdbm_open (dbname, block_size, read_write, 00664, NULL, 1);
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120 | if (dbf == NULL) {
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121 | MessageBox (NULL, "gdbm_open failed\n", "setpasswd", MB_OK);
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122 | return false;
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123 | }
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124 |
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125 | datum key_data;
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126 | key_data.dptr = username.getcstr();
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127 | if (key_data.dptr == NULL) {
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128 | MessageBox (NULL, "null key_data\n", "setpasswd", MB_OK);
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129 | return false;
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130 | }
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131 | key_data.dsize = strlen(key_data.dptr);
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132 |
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133 | text_t value = "<comment>\n";
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134 | value += "<enabled>true\n";
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135 | value += "<groups>administrator,colbuilder\n";
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136 | value += "<password>" + password + "\n";
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137 | value += "<username>" + username + "\n";
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138 |
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139 | datum value_data;
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140 | value_data.dptr = value.getcstr();
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141 | if (value_data.dptr == NULL) {
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142 | MessageBox (NULL, "null value_data\n", "setpasswd", MB_OK);
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143 | return false;
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144 | }
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145 | value_data.dsize = strlen(value_data.dptr);
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146 |
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147 | // store the value
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148 | if (gdbm_store (dbf, key_data, value_data, GDBM_REPLACE) < 0) {
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149 | MessageBox (NULL, "gdbm_store failed\n", "setpasswd", MB_OK);
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150 | return false;
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151 | }
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152 | gdbm_close (dbf);
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153 |
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154 | delete key_data.dptr;
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155 | delete value_data.dptr;
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156 | delete dbname;
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157 | return true;
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158 | }
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159 |
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160 | int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
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161 | LPSTR lpCmdLine, int nCmdShow) {
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162 |
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163 | // parse command line arguments
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164 | if (!parse_cmdline (lpCmdLine)) return 1;
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165 |
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166 | // encrypt the password
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167 | password = crypt_text (password);
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168 |
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169 | // append the password and username to database
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170 | add_to_db();
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171 |
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172 | return 0;
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173 | }
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174 |
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175 |
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176 |
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