1 | /* Copyright © 2005-2009 Roger Leigh <rleigh@debian.org> |
---|
2 | * |
---|
3 | * schroot is free software: you can redistribute it and/or modify it |
---|
4 | * under the terms of the GNU General Public License as published by |
---|
5 | * the Free Software Foundation, either version 3 of the License, or |
---|
6 | * (at your option) any later version. |
---|
7 | * |
---|
8 | * schroot is distributed in the hope that it will be useful, but |
---|
9 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
---|
11 | * General Public License for more details. |
---|
12 | * |
---|
13 | * You should have received a copy of the GNU General Public License |
---|
14 | * along with this program. If not, see |
---|
15 | * <http://www.gnu.org/licenses/>. |
---|
16 | * |
---|
17 | *********************************************************************/ |
---|
18 | |
---|
19 | #include <config.h> |
---|
20 | |
---|
21 | #include "sbuild-chroot.h" |
---|
22 | #include "sbuild-chroot-facet-session.h" |
---|
23 | #include "sbuild-chroot-facet-session-clonable.h" |
---|
24 | #include "sbuild-chroot-facet-source-clonable.h" |
---|
25 | #include "sbuild-chroot-plain.h" |
---|
26 | #ifdef SBUILD_FEATURE_LVMSNAP |
---|
27 | #include "sbuild-chroot-lvm-snapshot.h" |
---|
28 | #endif // SBUILD_FEATURE_LVMSNAP |
---|
29 | #ifdef SBUILD_FEATURE_UNION |
---|
30 | #include "sbuild-chroot-facet-union.h" |
---|
31 | #endif // SBUILD_FEATURE_UNION |
---|
32 | #include "sbuild-format-detail.h" |
---|
33 | |
---|
34 | #include <cassert> |
---|
35 | |
---|
36 | #include <boost/format.hpp> |
---|
37 | |
---|
38 | using boost::format; |
---|
39 | using std::endl; |
---|
40 | using namespace sbuild; |
---|
41 | |
---|
42 | chroot_facet_session_clonable::chroot_facet_session_clonable (): |
---|
43 | chroot_facet() |
---|
44 | { |
---|
45 | } |
---|
46 | |
---|
47 | chroot_facet_session_clonable::~chroot_facet_session_clonable () |
---|
48 | { |
---|
49 | } |
---|
50 | |
---|
51 | chroot_facet_session_clonable::ptr |
---|
52 | chroot_facet_session_clonable::create () |
---|
53 | { |
---|
54 | return ptr(new chroot_facet_session_clonable()); |
---|
55 | } |
---|
56 | |
---|
57 | chroot_facet::ptr |
---|
58 | chroot_facet_session_clonable::clone () const |
---|
59 | { |
---|
60 | return ptr(new chroot_facet_session_clonable(*this)); |
---|
61 | } |
---|
62 | |
---|
63 | std::string const& |
---|
64 | chroot_facet_session_clonable::get_name () const |
---|
65 | { |
---|
66 | static const std::string name("session"); |
---|
67 | |
---|
68 | return name; |
---|
69 | } |
---|
70 | |
---|
71 | void |
---|
72 | chroot_facet_session_clonable::clone_session_setup (chroot::ptr& clone, |
---|
73 | std::string const& session_id, |
---|
74 | std::string const& user, |
---|
75 | bool root) const |
---|
76 | { |
---|
77 | clone->remove_facet<chroot_facet_session_clonable>(); |
---|
78 | clone->add_facet(chroot_facet_session::create()); |
---|
79 | |
---|
80 | // Disable session, delete aliases. |
---|
81 | chroot_facet_session::ptr session(clone->get_facet<chroot_facet_session>()); |
---|
82 | assert(session); |
---|
83 | if (session) |
---|
84 | { |
---|
85 | clone->set_session_id(session_id); |
---|
86 | assert(clone->get_session_id() == session_id); |
---|
87 | clone->set_description |
---|
88 | (clone->get_description() + ' ' + _("(session chroot)")); |
---|
89 | |
---|
90 | string_list empty_list; |
---|
91 | string_list allowed_users; |
---|
92 | if (!user.empty()) |
---|
93 | allowed_users.push_back(user); |
---|
94 | |
---|
95 | if (root) |
---|
96 | { |
---|
97 | clone->set_users(empty_list); |
---|
98 | clone->set_root_users(allowed_users); |
---|
99 | } |
---|
100 | else |
---|
101 | { |
---|
102 | clone->set_users(allowed_users); |
---|
103 | clone->set_root_users(empty_list); |
---|
104 | } |
---|
105 | clone->set_groups(empty_list); |
---|
106 | clone->set_root_groups(empty_list); |
---|
107 | |
---|
108 | session->get_session_flags(*clone); // For testing. |
---|
109 | } |
---|
110 | |
---|
111 | log_debug(DEBUG_INFO) |
---|
112 | << format("Cloned session %1%") |
---|
113 | % clone->get_name() << endl; |
---|
114 | |
---|
115 | // Disable source cloning. |
---|
116 | clone->remove_facet<chroot_facet_source_clonable>(); |
---|
117 | |
---|
118 | /* If a chroot mount location has not yet been set, and the |
---|
119 | chroot is not a plain chroot, set a mount location with the |
---|
120 | session id. Only set for non-plain chroots which run |
---|
121 | setup scripts. */ |
---|
122 | { |
---|
123 | std::tr1::shared_ptr<chroot_plain> plain(std::tr1::dynamic_pointer_cast<chroot_plain>(clone)); |
---|
124 | |
---|
125 | if (clone->get_mount_location().empty() && !plain) |
---|
126 | { |
---|
127 | log_debug(DEBUG_NOTICE) << "Setting mount location" << endl; |
---|
128 | std::string location(std::string(SCHROOT_MOUNT_DIR) + "/" + |
---|
129 | session_id); |
---|
130 | clone->set_mount_location(location); |
---|
131 | } |
---|
132 | } |
---|
133 | |
---|
134 | log_debug(DEBUG_NOTICE) |
---|
135 | << format("Mount Location: %1%") % clone->get_mount_location() |
---|
136 | << endl; |
---|
137 | |
---|
138 | #ifdef SBUILD_FEATURE_LVMSNAP |
---|
139 | /* LVM devices need the snapshot device name specifying. */ |
---|
140 | std::tr1::shared_ptr<chroot_lvm_snapshot> snapshot(std::tr1::dynamic_pointer_cast<chroot_lvm_snapshot>(clone)); |
---|
141 | if (snapshot && !snapshot->get_device().empty()) |
---|
142 | { |
---|
143 | std::string device(dirname(snapshot->get_device(), '/')); |
---|
144 | device += "/" + clone->get_session_id(); |
---|
145 | snapshot->set_snapshot_device(device); |
---|
146 | } |
---|
147 | #endif // SBUILD_FEATURE_LVMSNAP |
---|
148 | |
---|
149 | #ifdef SBUILD_FEATURE_UNION |
---|
150 | /* Filesystem unions need the overlay directory specifying. */ |
---|
151 | chroot_facet_union::ptr puni(clone->get_facet<chroot_facet_union>()); |
---|
152 | |
---|
153 | if (puni) |
---|
154 | { |
---|
155 | std::string overlay = puni->get_union_overlay_directory(); |
---|
156 | overlay += "/" + clone->get_session_id(); |
---|
157 | puni->set_union_overlay_directory(overlay); |
---|
158 | |
---|
159 | std::string underlay = puni->get_union_underlay_directory(); |
---|
160 | underlay += "/" + clone->get_session_id(); |
---|
161 | puni->set_union_underlay_directory(underlay); |
---|
162 | } |
---|
163 | #endif // SBUILD_FEATURE_UNION |
---|
164 | } |
---|
165 | |
---|
166 | void |
---|
167 | chroot_facet_session_clonable::setup_env (chroot const& chroot, |
---|
168 | environment& env) const |
---|
169 | { |
---|
170 | } |
---|
171 | |
---|
172 | chroot::session_flags |
---|
173 | chroot_facet_session_clonable::get_session_flags (chroot const& chroot) const |
---|
174 | { |
---|
175 | return chroot::SESSION_CREATE; |
---|
176 | } |
---|
177 | |
---|
178 | void |
---|
179 | chroot_facet_session_clonable::get_details (chroot const& chroot, |
---|
180 | format_detail& detail) const |
---|
181 | { |
---|
182 | } |
---|
183 | |
---|
184 | void |
---|
185 | chroot_facet_session_clonable::get_keyfile (chroot const& chroot, |
---|
186 | keyfile& keyfile) const |
---|
187 | { |
---|
188 | } |
---|
189 | |
---|
190 | void |
---|
191 | chroot_facet_session_clonable::set_keyfile (chroot& chroot, |
---|
192 | keyfile const& keyfile, |
---|
193 | string_list& used_keys) |
---|
194 | { |
---|
195 | } |
---|