File: sbuild-chroot-facet-userdata.h

package info (click to toggle)
schroot 1.6.10-1
  • links: PTS, VCS
  • area: main
  • in suites: jessie, jessie-kfreebsd
  • size: 7,396 kB
  • ctags: 2,584
  • sloc: cpp: 20,961; sh: 12,849; makefile: 858; ansic: 231; sed: 16
file content (248 lines) | stat: -rw-r--r-- 6,628 bytes parent folder | download | duplicates (5)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
/* Copyright © 2005-2009,2012  Roger Leigh <rleigh@debian.org>
 *
 * schroot is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * schroot is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see
 * <http://www.gnu.org/licenses/>.
 *
 *********************************************************************/

#ifndef SBUILD_CHROOT_FACET_USERDATA_H
#define SBUILD_CHROOT_FACET_USERDATA_H

#include <sbuild/sbuild-chroot-facet.h>
#include <sbuild/sbuild-custom-error.h>
#include <sbuild/sbuild-types.h>

namespace sbuild
{

  /**
   * Chroot support for extensible user metadata.
   *
   * This facet contains user-specific configuration, both additional
   * keys in schroot.conf, and also set from the command-line.
   */
  class chroot_facet_userdata : public chroot_facet
  {
  public:
    /// Error codes.
    enum error_code
      {
        ENV_AMBIGUOUS,  ///< Environment variable name is ambiguous.
        KEY_AMBIGUOUS,  ///< Configuration key name is ambiguous.
        KEY_DISALLOWED, ///< Configuration key is not allowed to be modified.
        KEYNAME_INVALID ///< Invalid name for configuration key.
      };

    /// Exception type.
    typedef custom_error<error_code> error;

    /// A shared_ptr to a chroot facet object.
    typedef std::shared_ptr<chroot_facet_userdata> ptr;

    /// A shared_ptr to a const chroot facet object.
    typedef std::shared_ptr<const chroot_facet_userdata> const_ptr;

  private:
    /// The constructor.
    chroot_facet_userdata ();

  public:
    /// The destructor.
    virtual ~chroot_facet_userdata ();

    /**
     * Create a chroot facet.
     *
     * @returns a shared_ptr to the new chroot facet.
     */
    static ptr
    create ();

    virtual chroot_facet::ptr
    clone () const;

    virtual std::string const&
    get_name () const;

    virtual void
    setup_env (chroot const& chroot,
               environment&  env) const;

    virtual chroot::session_flags
    get_session_flags (chroot const& chroot) const;

    virtual void
    get_details (chroot const&  chroot,
                 format_detail& detail) const;

    virtual void
    get_keyfile (chroot const& chroot,
                 keyfile&      keyfile) const;

    virtual void
    set_keyfile (chroot&        chroot,
                 keyfile const& keyfile,
                 string_list&   used_keys);

    /**
     * Get user data as a map of key-value pairs.
     *
     * @returns a reference to a string map.
     */
    string_map const&
    get_data () const;

    /**
     * Get the value of a single user data key.
     *
     * @param key the key to search for.
     * @param value the string to store the key's value in.  Only
     * modified if the key is found.
     * @returns true if found, false if not found.
     */
    bool
    get_data (std::string const& key,
              std::string&       value) const;

    /**
     * Set user data from a string map.  Note that this method does
     * not perform permissions checking.
     *
     * @param data the user data to set.
     */
    void
    set_data (string_map const& data);

    /**
     * Set a single key-value pair.  Note that this method does not
     * perform permissions checking.
     *
     * @param key the key to set.
     * @param value the value of the key.
     */
    void
    set_data (std::string const& key,
              std::string const& value);

    /**
     * Set a single key-value pair.  Note that this method does not
     * perform permissions checking or key name validation.
     *
     * @param key the key to set.
     * @param value the value of the key.
     */
    void
    set_system_data (std::string const& key,
                     std::string const& value);

    /**
     * Remove a single key.  If present, the specified key is removed.
     *
     * @param key the key to remove.
     */
    void
    remove_data (std::string const& key);

    /**
     * Get the set of keys allowed to be modified by a user.
     *
     * @returns a string set of keys.
     */
    string_set const&
    get_user_modifiable_keys () const;

    /**
     * Set the set of keys allowed to be modified by a user.
     *
     * @param keys a string set of keys.
     */
    void
    set_user_modifiable_keys (string_set const& keys);

    /**
     * Get the set of keys allowed to be modified by root.
     *
     * @returns a string set of keys.
     */
    string_set const&
    get_root_modifiable_keys () const;

    /**
     * Set the set of keys allowed to be modified by root.
     *
     * @param keys a string set of keys.
     */
    void
    set_root_modifiable_keys (string_set const& keys);

    /**
     * Set data for the current user.  Only keys set using
     * set_user_modifiable_keys() are permitted to be set, otherwise
     * an exception will be thrown.
     *
     * @param string_map a map of key-value pairs.
     */
    void
    set_user_data(string_map const&  data);

    /**
     * Set data for root.  Only keys set using
     * set_user_modifiable_keys() and set_root_modifiable_keys() are
     * permitted to be set, otherwise an exception will be thrown.
     *
     * @param data a map of key-value pairs.
     */
    void
    set_root_data(string_map const&  data);

    /**
     * Set data without user or root checks.
     *
     * @param string_map a map of key-value pairs.
     */
    void
    set_system_data(string_map const&  data);

  private:
    /**
     * Generic function for setting data for any user.
     *
     * @param data a map of key-value pairs.
     * @param allowed_keys the keys which may be used.
     * @param root whether or not the user is the root user.
     */
    void
    set_data(string_map const&  data,
             string_set const&  allowed_keys,
             bool               root);

    /// Mapping between user keys and values.
    string_map userdata;
    /// Environment checking.
    string_set env;
    /// Keys modifiable by users.
    string_set user_modifiable_keys;
    /// Keys modifiable by root.
    string_set root_modifiable_keys;
  };

}

#endif /* SBUILD_CHROOT_FACET_USERDATA_H */

/*
 * Local Variables:
 * mode:C++
 * End:
 */