[24167] | 1 | /* Copyright © 2005-2007 Roger Leigh <rleigh@debian.org> |
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| 2 | * |
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| 3 | * schroot is free software: you can redistribute it and/or modify it |
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| 4 | * under the terms of the GNU General Public License as published by |
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| 5 | * the Free Software Foundation, either version 3 of the License, or |
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| 6 | * (at your option) any later version. |
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| 7 | * |
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| 8 | * schroot is distributed in the hope that it will be useful, but |
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| 9 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 11 | * General Public License for more details. |
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| 12 | * |
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| 13 | * You should have received a copy of the GNU General Public License |
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| 14 | * along with this program. If not, see |
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| 15 | * <http://www.gnu.org/licenses/>. |
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| 16 | * |
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| 17 | *********************************************************************/ |
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| 18 | |
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| 19 | #include <config.h> |
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| 20 | |
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| 21 | #include "schroot-main-base.h" |
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| 22 | |
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| 23 | #include <sbuild/sbuild-config.h> |
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| 24 | #ifdef SBUILD_FEATURE_PAM |
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| 25 | #include <sbuild/sbuild-auth-pam-conv.h> |
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| 26 | #include <sbuild/sbuild-auth-pam-conv-tty.h> |
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| 27 | #endif // SBUILD_FEATURE_PAM |
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| 28 | |
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| 29 | #include <cstdlib> |
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| 30 | #include <ctime> |
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| 31 | #include <iostream> |
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| 32 | #include <locale> |
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| 33 | |
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| 34 | #include <termios.h> |
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| 35 | #include <unistd.h> |
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| 36 | |
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| 37 | #include <boost/format.hpp> |
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| 38 | |
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| 39 | using std::endl; |
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| 40 | using boost::format; |
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| 41 | using sbuild::_; |
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| 42 | using sbuild::N_; |
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| 43 | using namespace schroot; |
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| 44 | |
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| 45 | namespace |
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| 46 | { |
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| 47 | |
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| 48 | typedef std::pair<main_base::error_code,const char *> emap; |
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| 49 | |
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| 50 | /** |
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| 51 | * This is a list of the supported error codes. It's used to |
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| 52 | * construct the real error codes map. |
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| 53 | */ |
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| 54 | emap init_errors[] = |
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| 55 | { |
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| 56 | // TRANSLATORS: %1% = comma-separated list of chroot names |
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| 57 | emap(main_base::CHROOTS_NOTFOUND, N_("%1%: Chroots not found")), |
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| 58 | // TRANSLATORS: %4% = file |
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| 59 | emap(main_base::CHROOT_FILE, N_("No chroots are defined in '%4%'")), |
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| 60 | // TRANSLATORS: %4% = file |
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| 61 | // TRANSLATORS: %5% = file |
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| 62 | emap(main_base::CHROOT_FILE2, N_("No chroots are defined in '%4%' or '%5%'")), |
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| 63 | // TRANSLATORS: %1% = file |
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| 64 | emap(main_base::CHROOT_NOTDEFINED, N_("The specified chroots are not defined in '%1%'")), |
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| 65 | // TRANSLATORS: %1% = chroot name |
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| 66 | emap(main_base::CHROOT_NOTFOUND, N_("%1%: Chroot not found")) |
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| 67 | }; |
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| 68 | |
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| 69 | } |
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| 70 | |
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| 71 | /// Error code to description mapping. |
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| 72 | template<> |
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| 73 | sbuild::error<main_base::error_code>::map_type |
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| 74 | sbuild::error<main_base::error_code>::error_strings |
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| 75 | (init_errors, |
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| 76 | init_errors + (sizeof(init_errors) / sizeof(init_errors[0]))); |
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| 77 | |
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| 78 | main_base::main_base (std::string const& program_name, |
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| 79 | std::string const& program_usage, |
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| 80 | options_base::ptr& options, |
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| 81 | bool use_syslog): |
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| 82 | schroot_base::main(program_name, program_usage, |
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| 83 | std::tr1::static_pointer_cast<schroot_base::options>(options), |
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| 84 | use_syslog), |
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| 85 | options(options) |
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| 86 | { |
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| 87 | } |
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| 88 | |
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| 89 | main_base::~main_base () |
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| 90 | { |
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| 91 | } |
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| 92 | |
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| 93 | void |
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| 94 | main_base::action_version (std::ostream& stream) |
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| 95 | { |
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| 96 | schroot_base::main::action_version(stream); |
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| 97 | |
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| 98 | format feature(" %1$-12s %2%\n"); |
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| 99 | |
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| 100 | stream << '\n' |
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| 101 | << _("Available chroot types:") << '\n'; |
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| 102 | #ifdef SBUILD_FEATURE_BLOCKDEV |
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| 103 | stream << feature % "BLOCKDEV" % _("Support for 'block-device' chroots"); |
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| 104 | #endif |
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| 105 | stream << feature % "DIRECTORY" % _("Support for 'directory' chroots"); |
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| 106 | stream << feature % "FILE" % _("Support for 'file' chroots"); |
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| 107 | #ifdef SBUILD_FEATURE_LOOPBACK |
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| 108 | stream << feature % "LOOPBACK" % _("Support for 'loopback' chroots"); |
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| 109 | #endif |
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| 110 | #ifdef SBUILD_FEATURE_LVMSNAP |
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| 111 | stream << feature % "LVMSNAP" % _("Support for 'lvm-snapshot' chroots"); |
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| 112 | #endif |
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| 113 | stream << feature % "PLAIN" % _("Support for 'plain' chroots"); |
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| 114 | stream << std::flush; |
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| 115 | } |
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| 116 | |
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| 117 | void |
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| 118 | main_base::action_info () |
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| 119 | { |
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| 120 | this->config->print_chroot_info(this->chroots, std::cout); |
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| 121 | } |
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| 122 | |
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| 123 | void |
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| 124 | main_base::action_location () |
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| 125 | { |
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| 126 | this->config->print_chroot_location(this->chroots, std::cout); |
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| 127 | } |
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| 128 | |
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| 129 | void |
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| 130 | main_base::compat_check () |
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| 131 | { |
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| 132 | } |
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| 133 | |
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| 134 | sbuild::string_list |
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| 135 | main_base::get_chroot_options () |
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| 136 | { |
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| 137 | sbuild::string_list ret; |
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| 138 | |
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| 139 | if (this->options->all_chroots == true || |
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| 140 | this->options->all_sessions == true) |
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| 141 | { |
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| 142 | sbuild::chroot_config::chroot_list const& list = |
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| 143 | this->config->get_chroots(); |
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| 144 | |
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| 145 | for (sbuild::chroot_config::chroot_list::const_iterator chroot = |
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| 146 | list.begin(); |
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| 147 | chroot != list.end(); |
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| 148 | ++chroot) |
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| 149 | { |
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| 150 | if (((*chroot)->get_active() == false && |
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| 151 | this->options->all_chroots == false) || |
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| 152 | ((*chroot)->get_active() == true && |
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| 153 | this->options->all_sessions == false)) |
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| 154 | continue; |
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| 155 | ret.push_back((*chroot)->get_name()); |
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| 156 | } |
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| 157 | } |
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| 158 | else |
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| 159 | { |
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| 160 | sbuild::string_list invalid_chroots = |
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| 161 | this->config->validate_chroots(this->options->chroots); |
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| 162 | |
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| 163 | if (!invalid_chroots.empty()) |
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| 164 | { |
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| 165 | std::string invalid_list; |
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| 166 | for (sbuild::string_list::const_iterator chroot = |
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| 167 | invalid_chroots.begin(); |
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| 168 | chroot != invalid_chroots.end(); |
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| 169 | ++chroot) |
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| 170 | { |
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| 171 | invalid_list += *chroot; |
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| 172 | if (chroot + 1 != invalid_chroots.end()) |
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| 173 | invalid_list += ", "; |
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| 174 | } |
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| 175 | throw error(invalid_list, |
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| 176 | (invalid_chroots.size() == 1) |
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| 177 | ? CHROOT_NOTFOUND : CHROOTS_NOTFOUND); |
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| 178 | } |
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| 179 | ret = this->options->chroots; |
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| 180 | } |
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| 181 | |
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| 182 | return ret; |
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| 183 | } |
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| 184 | |
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| 185 | void |
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| 186 | main_base::load_config () |
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| 187 | { |
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| 188 | this->config = sbuild::chroot_config::ptr(new sbuild::chroot_config); |
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| 189 | /* The normal chroot list is used when starting a session or running |
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| 190 | any chroot type or session, or displaying chroot information. */ |
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| 191 | if (this->options->load_chroots == true) |
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| 192 | { |
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| 193 | this->config->add(SCHROOT_CONF, false); |
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| 194 | this->config->add(SCHROOT_CONF_CHROOT_D, false); |
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| 195 | } |
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| 196 | /* The session chroot list is used when running or ending an |
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| 197 | existing session, or displaying chroot information. */ |
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| 198 | if (this->options->load_sessions == true) |
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| 199 | this->config->add(SCHROOT_SESSION_DIR, true); |
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| 200 | } |
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| 201 | |
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| 202 | int |
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| 203 | main_base::run_impl () |
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| 204 | { |
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| 205 | compat_check(); |
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| 206 | |
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| 207 | if (this->options->action == options_base::ACTION_HELP) |
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| 208 | { |
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| 209 | action_help(std::cout); |
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| 210 | return EXIT_SUCCESS; |
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| 211 | } |
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| 212 | |
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| 213 | if (this->options->action == options_base::ACTION_VERSION) |
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| 214 | { |
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| 215 | action_version(std::cout); |
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| 216 | return EXIT_SUCCESS; |
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| 217 | } |
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| 218 | |
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| 219 | /* Initialise chroot configuration. */ |
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| 220 | load_config(); |
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| 221 | |
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| 222 | if (this->config->get_chroots().empty() && this->options->quiet == false) |
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| 223 | { |
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| 224 | if (this->options->load_chroots == true && |
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| 225 | this->options->load_sessions == true) |
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| 226 | log_exception_warning |
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| 227 | (error(CHROOT_FILE2, SCHROOT_CONF, SCHROOT_SESSION_DIR)); |
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| 228 | else |
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| 229 | { |
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| 230 | const char *cfile = (this->options->load_sessions) |
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| 231 | ? SCHROOT_SESSION_DIR : SCHROOT_CONF; |
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| 232 | log_exception_warning(error(CHROOT_FILE, cfile)); |
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| 233 | } |
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| 234 | } |
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| 235 | |
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| 236 | /* Print chroot list (including aliases). */ |
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| 237 | if (this->options->action == options_base::ACTION_LIST) |
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| 238 | { |
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| 239 | action_list(); |
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| 240 | return EXIT_SUCCESS; |
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| 241 | } |
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| 242 | |
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| 243 | /* Get list of chroots to use */ |
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| 244 | chroots = get_chroot_options(); |
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| 245 | if (this->chroots.empty()) |
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| 246 | { |
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| 247 | if (!(this->options->all_chroots == true || |
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| 248 | this->options->all_sessions == true)) |
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| 249 | throw error(SCHROOT_CONF, CHROOT_NOTDEFINED); |
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| 250 | else |
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| 251 | { |
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| 252 | // If one of the --all options was used, then don't treat |
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| 253 | // the lack of chroots as an error. TODO: Also check if any |
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| 254 | // additional chroots were specified with -c; this needs |
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| 255 | // changes in get_chroot_options. |
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| 256 | log_exception_warning(error((this->options->all_chroots == true) ? |
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| 257 | SCHROOT_CONF : SCHROOT_SESSION_DIR, |
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| 258 | CHROOT_NOTDEFINED)); |
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| 259 | return EXIT_SUCCESS; |
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| 260 | } |
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| 261 | } |
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| 262 | |
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| 263 | /* Print chroot information for specified chroots. */ |
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| 264 | if (this->options->action == options_base::ACTION_INFO) |
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| 265 | { |
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| 266 | action_info(); |
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| 267 | return EXIT_SUCCESS; |
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| 268 | } |
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| 269 | if (this->options->action == options_base::ACTION_LOCATION) |
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| 270 | { |
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| 271 | action_location(); |
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| 272 | return EXIT_SUCCESS; |
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| 273 | } |
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| 274 | if (this->options->action == options_base::ACTION_CONFIG) |
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| 275 | { |
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| 276 | action_config(); |
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| 277 | return EXIT_SUCCESS; |
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| 278 | } |
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| 279 | |
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| 280 | /* Create a session. */ |
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| 281 | sbuild::session::operation sess_op(sbuild::session::OPERATION_AUTOMATIC); |
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| 282 | if (this->options->action == options_base::ACTION_SESSION_BEGIN) |
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| 283 | sess_op = sbuild::session::OPERATION_BEGIN; |
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| 284 | else if (this->options->action == options_base::ACTION_SESSION_RECOVER) |
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| 285 | sess_op = sbuild::session::OPERATION_RECOVER; |
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| 286 | else if (this->options->action == options_base::ACTION_SESSION_RUN) |
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| 287 | sess_op = sbuild::session::OPERATION_RUN; |
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| 288 | else if (this->options->action == options_base::ACTION_SESSION_END) |
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| 289 | sess_op = sbuild::session::OPERATION_END; |
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| 290 | |
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| 291 | try |
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| 292 | { |
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| 293 | create_session(sess_op); |
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| 294 | |
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| 295 | if (!this->options->command.empty()) |
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| 296 | this->session->get_auth()->set_command(this->options->command); |
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| 297 | if (!this->options->directory.empty()) |
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| 298 | this->session->get_auth()->set_wd(this->options->directory); |
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| 299 | if (this->options->preserve) |
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| 300 | this->session->get_auth()->set_environment(environ); |
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| 301 | this->session->set_session_id(this->options->session_name); |
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| 302 | this->session->set_force(this->options->session_force); |
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| 303 | sbuild::auth::verbosity verbosity = sbuild::auth::VERBOSITY_NORMAL; |
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| 304 | if (this->options->quiet) |
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| 305 | verbosity = sbuild::auth::VERBOSITY_QUIET; |
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| 306 | else if (this->options->verbose) |
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| 307 | verbosity = sbuild::auth::VERBOSITY_VERBOSE; |
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| 308 | this->session->get_auth()->set_verbosity(verbosity); |
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| 309 | |
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| 310 | /* Run session. */ |
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| 311 | this->session->run(); |
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| 312 | } |
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| 313 | catch (std::runtime_error const& e) |
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| 314 | { |
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| 315 | if (!this->options->quiet) |
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| 316 | sbuild::log_exception_error(e); |
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| 317 | } |
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| 318 | |
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| 319 | if (this->session) |
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| 320 | return this->session->get_child_status(); |
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| 321 | else |
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| 322 | return EXIT_FAILURE; |
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| 323 | } |
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