1 | /* raptoptions.cc - configuration handling |
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2 | * |
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3 | * Copyright (c) 2000, 2001 Conectiva S/A |
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4 | * |
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5 | * Author: Alfredo K. Kojima <kojima@conectiva.com.br> |
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6 | * |
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7 | * This program is free software; you can redistribute it and/or |
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8 | * modify it under the terms of the GNU General Public License as |
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9 | * published by the Free Software Foundation; either version 2 of the |
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10 | * License, or (at your option) any later version. |
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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
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20 | * USA |
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21 | */ |
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22 | |
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23 | |
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24 | |
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25 | #include "config.h" |
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26 | #include <fstream> |
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27 | #include <sstream> |
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28 | #include <dirent.h> |
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29 | |
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30 | #include <apt-pkg/error.h> |
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31 | #include <apt-pkg/configuration.h> |
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32 | #include <apt-pkg/tagfile.h> |
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33 | #include <apt-pkg/policy.h> |
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34 | #include <apt-pkg/sptr.h> |
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35 | #include <apt-pkg/strutl.h> |
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36 | |
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37 | #include "rconfiguration.h" |
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38 | #include "raptoptions.h" |
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39 | |
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40 | #include "i18n.h" |
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41 | |
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42 | |
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43 | RAPTOptions *_roptions = new RAPTOptions; |
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44 | |
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45 | using namespace std; |
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46 | |
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47 | ostream &operator<<(ostream &os, const RAPTOptions::packageOptions &o) |
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48 | { |
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49 | os << o.isNew; |
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50 | return os; |
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51 | } |
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52 | |
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53 | istream &operator>>(istream &is, RAPTOptions::packageOptions &o) |
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54 | { |
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55 | is >> o.isNew; |
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56 | return is; |
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57 | } |
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58 | |
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59 | |
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60 | bool RAPTOptions::store() |
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61 | { |
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62 | ofstream out; |
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63 | if (!RPackageOptionsFile(out)) |
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64 | return false; |
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65 | |
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66 | for (packageOptionsIter it = _roptions->_packageOptions.begin(); |
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67 | it != _roptions->_packageOptions.end(); it++) { |
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68 | // we only write out if it's new and the pkgname is not empty |
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69 | if ((*it).second.isNew && !(*it).first.empty()) |
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70 | out << (*it).first << " " << (*it).second << endl; |
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71 | } |
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72 | return true; |
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73 | } |
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74 | |
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75 | |
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76 | bool RAPTOptions::restore() |
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77 | { |
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78 | string pkg, line; |
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79 | packageOptions o; |
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80 | |
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81 | //cout << "bool RAPTOptions::restore()" << endl; |
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82 | |
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83 | ifstream in; |
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84 | if (!RPackageOptionsFile(in)) |
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85 | return false; |
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86 | |
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87 | // new stuff |
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88 | while (!in.eof()) { |
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89 | getline(in, line); |
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90 | istringstream strstr(line.c_str()); |
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91 | strstr >> pkg >> o >> ws; |
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92 | _packageOptions[pkg] = o; |
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93 | } |
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94 | |
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95 | // upgrade code for older synaptic versions, can go away in the future |
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96 | if(FileExists(RConfDir()+"/preferences")) |
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97 | rename(string(RConfDir()+"/preferences").c_str(), |
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98 | string(RStateDir()+"/preferences").c_str()); |
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99 | |
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100 | |
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101 | // pining stuff |
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102 | string File = RStateDir() + "/preferences"; |
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103 | |
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104 | if (!FileExists(File)) |
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105 | return true; |
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106 | |
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107 | FileFd Fd(File, FileFd::ReadOnly); |
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108 | pkgTagFile TF(&Fd); |
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109 | if (_error->PendingError() == true) { |
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110 | return false; |
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111 | } |
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112 | pkgTagSection Tags; |
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113 | while (TF.Step(Tags) == true) { |
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114 | string Name = Tags.FindS("Package"); |
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115 | if (Name.empty() == true) |
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116 | return _error-> |
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117 | Error(_ |
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118 | ("Invalid record in the preferences file, no Package header")); |
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119 | if (Name == "*") |
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120 | Name = string(); |
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121 | |
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122 | const char *Start; |
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123 | const char *End; |
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124 | if (Tags.Find("Pin", Start, End) == false) |
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125 | continue; |
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126 | |
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127 | const char *Word = Start; |
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128 | for (; Word != End && isspace(*Word) == 0; Word++); |
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129 | |
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130 | // Parse the type, we are only interesseted in "version" for now |
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131 | pkgVersionMatch::MatchType Type; |
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132 | if (stringcasecmp(Start, Word, "version") == 0 && Name.empty() == false) |
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133 | Type = pkgVersionMatch::Version; |
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134 | else |
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135 | continue; |
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136 | for (; Word != End && isspace(*Word) != 0; Word++); |
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137 | |
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138 | setPackageLock(Name.c_str(), true); |
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139 | } |
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140 | |
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141 | // deborphan stuff |
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142 | rereadOrphaned(); |
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143 | |
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144 | // debconf stuff |
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145 | rereadDebconf(); |
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146 | |
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147 | return true; |
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148 | } |
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149 | |
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150 | bool RAPTOptions::getPackageDebconf(const char *package) |
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151 | { |
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152 | string tmp = string(package); |
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153 | |
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154 | if (_packageOptions.find(tmp) == _packageOptions.end()) |
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155 | return false; |
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156 | |
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157 | //cout << "getPackageOrphaned("<<package<<") called"<<endl; |
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158 | return _packageOptions[tmp].isDebconf; |
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159 | } |
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160 | |
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161 | |
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162 | void RAPTOptions::setPackageDebconf(const char *package, bool flag) |
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163 | { |
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164 | //cout << "debconf called pkg: " << package << endl; |
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165 | _packageOptions[string(package)].isDebconf = flag; |
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166 | } |
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167 | |
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168 | void RAPTOptions::rereadDebconf() |
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169 | { |
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170 | //cout << "void RAPTOptions::rereadDebconf()" << endl; |
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171 | |
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172 | // forget about any previously debconf packages |
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173 | for (packageOptionsIter it = _roptions->_packageOptions.begin(); |
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174 | it != _roptions->_packageOptions.end(); it++) { |
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175 | (*it).second.isDebconf = false; |
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176 | } |
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177 | |
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178 | // read dir |
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179 | const char infodir[] = "/var/lib/dpkg/info"; |
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180 | const char configext[] = ".config"; |
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181 | |
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182 | DIR *dir; |
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183 | struct dirent *dent; |
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184 | char *point; |
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185 | |
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186 | if ((dir = opendir(infodir)) == NULL) { |
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187 | //cerr << "Error opening " << infodir << endl; |
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188 | return; |
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189 | } |
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190 | for (int i = 3; (dent = readdir(dir)); i++) { |
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191 | if ((point = strrchr(dent->d_name, '.')) == NULL) |
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192 | continue; |
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193 | if (strcmp(point, configext) == 0) { |
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194 | bzero(point, strlen(point)); |
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195 | //cout << (dent->d_name) << endl; |
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196 | setPackageDebconf(dent->d_name, true); |
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197 | } |
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198 | } |
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199 | closedir(dir); |
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200 | } |
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201 | |
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202 | void RAPTOptions::rereadOrphaned() |
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203 | { |
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204 | // forget about any previously orphaned packages |
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205 | for (packageOptionsIter it = _roptions->_packageOptions.begin(); |
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206 | it != _roptions->_packageOptions.end(); it++) { |
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207 | (*it).second.isOrphaned = false; |
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208 | } |
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209 | |
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210 | //mvo: call deborphan and read package list from it |
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211 | // TODO: make deborphan a library to make this cleaner |
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212 | FILE *fp; |
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213 | char buf[255]; |
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214 | char cmd[] = "/usr/bin/deborphan"; |
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215 | //FIXME: fail silently if deborphan is not installed - change this? |
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216 | if (!FileExists(cmd)) |
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217 | return; |
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218 | fp = popen(cmd, "r"); |
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219 | if (fp == NULL) { |
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220 | //cerr << "deborphan failed" << endl; |
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221 | return; |
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222 | } |
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223 | while (fgets(buf, 254, fp) != NULL) { |
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224 | //mvo: FIXME this sucks (remove newline at end) |
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225 | buf[strlen(buf) - 1] = 0; |
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226 | //cout << "buf: " << buf << endl; |
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227 | setPackageOrphaned(buf, true); |
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228 | } |
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229 | pclose(fp); |
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230 | } |
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231 | |
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232 | |
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233 | bool RAPTOptions::getPackageOrphaned(const char *package) |
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234 | { |
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235 | string tmp = string(package); |
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236 | |
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237 | if (_packageOptions.find(tmp) == _packageOptions.end()) |
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238 | return false; |
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239 | |
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240 | //cout << "getPackageOrphaned("<<package<<") called"<<endl; |
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241 | return _packageOptions[tmp].isOrphaned; |
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242 | } |
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243 | |
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244 | |
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245 | void RAPTOptions::setPackageOrphaned(const char *package, bool flag) |
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246 | { |
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247 | //cout << "orphaned called pkg: " << package << endl; |
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248 | _packageOptions[string(package)].isOrphaned = flag; |
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249 | } |
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250 | |
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251 | |
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252 | bool RAPTOptions::getPackageLock(const char *package) |
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253 | { |
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254 | string tmp = string(package); |
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255 | |
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256 | if (_packageOptions.find(tmp) == _packageOptions.end()) |
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257 | return false; |
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258 | |
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259 | return _packageOptions[tmp].isLocked; |
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260 | } |
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261 | |
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262 | |
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263 | void RAPTOptions::setPackageLock(const char *package, bool lock) |
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264 | { |
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265 | _packageOptions[string(package)].isLocked = lock; |
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266 | } |
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267 | |
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268 | bool RAPTOptions::getPackageNew(const char *package) |
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269 | { |
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270 | string tmp = string(package); |
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271 | |
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272 | if (_packageOptions.find(tmp) == _packageOptions.end()) |
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273 | return false; |
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274 | |
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275 | return _packageOptions[tmp].isNew; |
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276 | } |
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277 | |
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278 | void RAPTOptions::setPackageNew(const char *package, bool lock) |
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279 | { |
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280 | _packageOptions[string(package)].isNew = lock; |
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281 | } |
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282 | |
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283 | void RAPTOptions::forgetNewPackages() |
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284 | { |
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285 | for (packageOptionsIter it = _roptions->_packageOptions.begin(); |
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286 | it != _roptions->_packageOptions.end(); it++) { |
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287 | (*it).second.isNew = false; |
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288 | } |
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289 | } |
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290 | |
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291 | bool RAPTOptions::getFlag(const char *key) |
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292 | { |
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293 | if (_options.find(key) != _options.end()) |
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294 | return _options[string(key)] == "true"; |
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295 | else |
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296 | return false; |
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297 | } |
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298 | |
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299 | |
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300 | string RAPTOptions::getString(const char *key) |
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301 | { |
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302 | if (_options.find(key) != _options.end()) |
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303 | return _options[string(key)]; |
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304 | else |
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305 | return ""; |
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306 | } |
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307 | |
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308 | |
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309 | void RAPTOptions::setFlag(const char *key, bool value) |
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310 | { |
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311 | _options[string(key)] = string(value ? "true" : "false"); |
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312 | } |
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313 | |
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314 | |
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315 | void RAPTOptions::setString(const char *key, string value) |
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316 | { |
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317 | _options[string(key)] = value; |
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318 | } |
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