service.cpp revision 84b856d90167d567238af95fceade30a0dc93d58
1bac3299720623f4226bca103b26260052732ad30Tom Cherry/* 2bac3299720623f4226bca103b26260052732ad30Tom Cherry * Copyright (C) 2015 The Android Open Source Project 3bac3299720623f4226bca103b26260052732ad30Tom Cherry * 4bac3299720623f4226bca103b26260052732ad30Tom Cherry * Licensed under the Apache License, Version 2.0 (the "License"); 5bac3299720623f4226bca103b26260052732ad30Tom Cherry * you may not use this file except in compliance with the License. 6bac3299720623f4226bca103b26260052732ad30Tom Cherry * You may obtain a copy of the License at 7bac3299720623f4226bca103b26260052732ad30Tom Cherry * 8bac3299720623f4226bca103b26260052732ad30Tom Cherry * http://www.apache.org/licenses/LICENSE-2.0 9bac3299720623f4226bca103b26260052732ad30Tom Cherry * 10bac3299720623f4226bca103b26260052732ad30Tom Cherry * Unless required by applicable law or agreed to in writing, software 11bac3299720623f4226bca103b26260052732ad30Tom Cherry * distributed under the License is distributed on an "AS IS" BASIS, 12bac3299720623f4226bca103b26260052732ad30Tom Cherry * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13bac3299720623f4226bca103b26260052732ad30Tom Cherry * See the License for the specific language governing permissions and 14bac3299720623f4226bca103b26260052732ad30Tom Cherry * limitations under the License. 15bac3299720623f4226bca103b26260052732ad30Tom Cherry */ 16bac3299720623f4226bca103b26260052732ad30Tom Cherry 17bac3299720623f4226bca103b26260052732ad30Tom Cherry#include "service.h" 18bac3299720623f4226bca103b26260052732ad30Tom Cherry 19bac3299720623f4226bca103b26260052732ad30Tom Cherry#include <fcntl.h> 209605a945f7a497c0307b512b9cd762f2d23973caElliott Hughes#include <inttypes.h> 2124b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes#include <linux/securebits.h> 221b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes#include <sched.h> 231b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes#include <sys/mount.h> 241b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes#include <sys/prctl.h> 25081705c258efbe938d71c2022528d809fa6d42c5Vitalii Tomkiv#include <sys/resource.h> 26bac3299720623f4226bca103b26260052732ad30Tom Cherry#include <sys/stat.h> 27f57c0bfab20b4fae10fc2e385d5e32fc93895670Tom Cherry#include <sys/system_properties.h> 28081705c258efbe938d71c2022528d809fa6d42c5Vitalii Tomkiv#include <sys/time.h> 29b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET#include <sys/wait.h> 30bac3299720623f4226bca103b26260052732ad30Tom Cherry#include <termios.h> 31af9ba4dc6ca98e136e887b0baa59b72fb8302dd3Dan Albert#include <unistd.h> 32bac3299720623f4226bca103b26260052732ad30Tom Cherry 334f71319df011d796a60a43fc1bc68e16fbf7d321Elliott Hughes#include <android-base/file.h> 343f5eaae526413a29de899270714469c76dc91ec8Tom Cherry#include <android-base/logging.h> 35da46b392f10d2809b5696632f67485f272ec5698Elliott Hughes#include <android-base/parseint.h> 36ccf23537eeacfa47e5f18dd3b75089886d177c1bTom Cherry#include <android-base/properties.h> 378d13d808a5634701c55276796683857ac2d5c99aTom Cherry#include <android-base/scopeguard.h> 384f71319df011d796a60a43fc1bc68e16fbf7d321Elliott Hughes#include <android-base/stringprintf.h> 39f86b5a6b90619e02d1d034ef7b0adc3b439f4abbElliott Hughes#include <android-base/strings.h> 40e055d73396ecfba1dafd41fd2ec0cb3353c81e6aSteven Moreland#include <hidl-util/FQName.h> 41f7e79b99c1e9e3128dd9921871f7740bebb755e6Collin Mulliner#include <processgroup/processgroup.h> 423f5eaae526413a29de899270714469c76dc91ec8Tom Cherry#include <selinux/selinux.h> 433f5eaae526413a29de899270714469c76dc91ec8Tom Cherry#include <system/thread_defs.h> 44f7e79b99c1e9e3128dd9921871f7740bebb755e6Collin Mulliner 45bac3299720623f4226bca103b26260052732ad30Tom Cherry#include "init.h" 46bac3299720623f4226bca103b26260052732ad30Tom Cherry#include "property_service.h" 477ac013de7edc7ec6570ff6a5b6bd3bdce68b769cTom Cherry#include "rlimit_parser.h" 48bac3299720623f4226bca103b26260052732ad30Tom Cherry#include "util.h" 49bac3299720623f4226bca103b26260052732ad30Tom Cherry 50e78ea77f6992013b16fd57c07548b53129cdd12fJames Hawkinsusing android::base::boot_clock; 5181f5d3ebef2c3789737bf718fc2a2cdd7b9e8b33Tom Cherryusing android::base::GetProperty; 5281f5d3ebef2c3789737bf718fc2a2cdd7b9e8b33Tom Cherryusing android::base::Join; 538d13d808a5634701c55276796683857ac2d5c99aTom Cherryusing android::base::make_scope_guard; 54da46b392f10d2809b5696632f67485f272ec5698Elliott Hughesusing android::base::ParseInt; 5581f5d3ebef2c3789737bf718fc2a2cdd7b9e8b33Tom Cherryusing android::base::StartsWith; 56b7349902a945903f9e36a569051f5131beb0bc24Tom Cherryusing android::base::StringPrintf; 57b7349902a945903f9e36a569051f5131beb0bc24Tom Cherryusing android::base::WriteStringToFile; 58b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 5981f5d3ebef2c3789737bf718fc2a2cdd7b9e8b33Tom Cherrynamespace android { 6081f5d3ebef2c3789737bf718fc2a2cdd7b9e8b33Tom Cherrynamespace init { 6181f5d3ebef2c3789737bf718fc2a2cdd7b9e8b33Tom Cherry 6276af7e6a0c4ce7759e6cc5994b5496ddb09035eeTom Cherrystatic Result<std::string> ComputeContextFromExecutable(std::string& service_name, 6376af7e6a0c4ce7759e6cc5994b5496ddb09035eeTom Cherry const std::string& service_path) { 64344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes std::string computed_context; 65344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes 66344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes char* raw_con = nullptr; 67344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes char* raw_filecon = nullptr; 68344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes 69344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes if (getcon(&raw_con) == -1) { 7076af7e6a0c4ce7759e6cc5994b5496ddb09035eeTom Cherry return Error() << "Could not get security context"; 71344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 72344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes std::unique_ptr<char> mycon(raw_con); 73344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes 74344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes if (getfilecon(service_path.c_str(), &raw_filecon) == -1) { 7576af7e6a0c4ce7759e6cc5994b5496ddb09035eeTom Cherry return Error() << "Could not get file context"; 76344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 77344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes std::unique_ptr<char> filecon(raw_filecon); 78344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes 79344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes char* new_con = nullptr; 80344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes int rc = security_compute_create(mycon.get(), filecon.get(), 81344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes string_to_security_class("process"), &new_con); 82344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes if (rc == 0) { 83344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes computed_context = new_con; 84344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes free(new_con); 85344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 86344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes if (rc == 0 && computed_context == mycon.get()) { 871ea19eb44d58759ed65dc7aa8da8215e5f976858Nick Kralevich return Error() << "File " << service_path << "(labeled \"" << filecon.get() 881ea19eb44d58759ed65dc7aa8da8215e5f976858Nick Kralevich << "\") has incorrect label or no domain transition from " << mycon.get() 891ea19eb44d58759ed65dc7aa8da8215e5f976858Nick Kralevich << " to another SELinux domain defined. Have you configured your " 901ea19eb44d58759ed65dc7aa8da8215e5f976858Nick Kralevich "service correctly? https://source.android.com/security/selinux/" 911ea19eb44d58759ed65dc7aa8da8215e5f976858Nick Kralevich "device-policy#label_new_services_and_address_denials"; 92344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 93344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes if (rc < 0) { 9476af7e6a0c4ce7759e6cc5994b5496ddb09035eeTom Cherry return Error() << "Could not get process context"; 95344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 96344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes return computed_context; 97344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes} 98344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes 991b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obesstatic void SetUpPidNamespace(const std::string& service_name) { 1001b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes constexpr unsigned int kSafeFlags = MS_NODEV | MS_NOEXEC | MS_NOSUID; 1011b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes 1021b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes // It's OK to LOG(FATAL) in this function since it's running in the first 1031b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes // child process. 1041b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes if (mount("", "/proc", "proc", kSafeFlags | MS_REMOUNT, "") == -1) { 105e18e7e5c43c39677c6d49f8f76893d720f90b4fbElliott Hughes PLOG(FATAL) << "couldn't remount(/proc) for " << service_name; 1061b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes } 1071b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes 1081b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes if (prctl(PR_SET_NAME, service_name.c_str()) == -1) { 109e18e7e5c43c39677c6d49f8f76893d720f90b4fbElliott Hughes PLOG(FATAL) << "couldn't set name for " << service_name; 1101b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes } 1111b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes 1121b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes pid_t child_pid = fork(); 1131b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes if (child_pid == -1) { 114e18e7e5c43c39677c6d49f8f76893d720f90b4fbElliott Hughes PLOG(FATAL) << "couldn't fork init inside the PID namespace for " << service_name; 1151b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes } 1161b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes 1171b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes if (child_pid > 0) { 1181b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes // So that we exit with the right status. 1191b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes static int init_exitstatus = 0; 1201b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes signal(SIGTERM, [](int) { _exit(init_exitstatus); }); 1211b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes 1221b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes pid_t waited_pid; 1231b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes int status; 1241b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes while ((waited_pid = wait(&status)) > 0) { 1251b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes // This loop will end when there are no processes left inside the 1261b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes // PID namespace or when the init process inside the PID namespace 1271b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes // gets a signal. 1281b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes if (waited_pid == child_pid) { 1291b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes init_exitstatus = status; 1301b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes } 1311b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes } 1321b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes if (!WIFEXITED(init_exitstatus)) { 1331b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes _exit(EXIT_FAILURE); 1341b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes } 1351b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes _exit(WEXITSTATUS(init_exitstatus)); 1361b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes } 1371b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes} 1381b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes 1395e405cacb1f3ef2265fcc71dbbf6a39c1e7dc1c1Tom Cherrystatic bool ExpandArgsAndExecv(const std::vector<std::string>& args) { 140344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes std::vector<std::string> expanded_args; 1415e405cacb1f3ef2265fcc71dbbf6a39c1e7dc1c1Tom Cherry std::vector<char*> c_strings; 1425e405cacb1f3ef2265fcc71dbbf6a39c1e7dc1c1Tom Cherry 143344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes expanded_args.resize(args.size()); 1445e405cacb1f3ef2265fcc71dbbf6a39c1e7dc1c1Tom Cherry c_strings.push_back(const_cast<char*>(args[0].data())); 145344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes for (std::size_t i = 1; i < args.size(); ++i) { 146344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes if (!expand_props(args[i], &expanded_args[i])) { 147344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes LOG(FATAL) << args[0] << ": cannot expand '" << args[i] << "'"; 148344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 1495e405cacb1f3ef2265fcc71dbbf6a39c1e7dc1c1Tom Cherry c_strings.push_back(expanded_args[i].data()); 150344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 1515e405cacb1f3ef2265fcc71dbbf6a39c1e7dc1c1Tom Cherry c_strings.push_back(nullptr); 1525e405cacb1f3ef2265fcc71dbbf6a39c1e7dc1c1Tom Cherry 1535e405cacb1f3ef2265fcc71dbbf6a39c1e7dc1c1Tom Cherry return execv(c_strings[0], c_strings.data()) == 0; 154344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes} 155344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes 1565938379e910c4cbd7ed2429901bb3c45e62405d4Tom Cherryunsigned long Service::next_start_order_ = 1; 1573b81f2d623c6cba45ad07fa91338d346d9b96482Tom Cherrybool Service::is_exec_service_running_ = false; 1585938379e910c4cbd7ed2429901bb3c45e62405d4Tom Cherry 159cb0f9bbc855097e0c8248643015b837255fd569aTom CherryService::Service(const std::string& name, Subcontext* subcontext_for_restart_commands, 160cb0f9bbc855097e0c8248643015b837255fd569aTom Cherry const std::vector<std::string>& args) 161cb0f9bbc855097e0c8248643015b837255fd569aTom Cherry : Service(name, 0, 0, 0, {}, 0, 0, "", subcontext_for_restart_commands, args) {} 162bac3299720623f4226bca103b26260052732ad30Tom Cherry 163641ff0a4d8d05349d9c22f726a035a2936a2a94dWei WangService::Service(const std::string& name, unsigned flags, uid_t uid, gid_t gid, 164641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang const std::vector<gid_t>& supp_gids, const CapSet& capabilities, 165641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang unsigned namespace_flags, const std::string& seclabel, 166cb0f9bbc855097e0c8248643015b837255fd569aTom Cherry Subcontext* subcontext_for_restart_commands, const std::vector<std::string>& args) 167641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang : name_(name), 168641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang classnames_({"default"}), 169641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang flags_(flags), 170641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang pid_(0), 171641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang crash_count_(0), 172641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang uid_(uid), 173641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang gid_(gid), 174641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang supp_gids_(supp_gids), 175641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang capabilities_(capabilities), 176641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang namespace_flags_(namespace_flags), 177641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang seclabel_(seclabel), 178cb0f9bbc855097e0c8248643015b837255fd569aTom Cherry onrestart_(false, subcontext_for_restart_commands, "<Service '" + name + "' onrestart>", 0), 1797da548578c25683fe0082283303e16961df312daTom Cherry keychord_id_(0), 180641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang ioprio_class_(IoSchedClass_NONE), 181641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang ioprio_pri_(0), 182641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang priority_(0), 183641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang oom_score_adjust_(-1000), 184d485226951013247dbb502fef7edbc6cf83acb0fRobert Benea swappiness_(-1), 185d485226951013247dbb502fef7edbc6cf83acb0fRobert Benea soft_limit_in_bytes_(-1), 186d485226951013247dbb502fef7edbc6cf83acb0fRobert Benea limit_in_bytes_(-1), 1875938379e910c4cbd7ed2429901bb3c45e62405d4Tom Cherry start_order_(0), 188641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang args_(args) { 189bac3299720623f4226bca103b26260052732ad30Tom Cherry onrestart_.InitSingleTrigger("onrestart"); 190bac3299720623f4226bca103b26260052732ad30Tom Cherry} 191bac3299720623f4226bca103b26260052732ad30Tom Cherry 192bac3299720623f4226bca103b26260052732ad30Tom Cherryvoid Service::NotifyStateChange(const std::string& new_state) const { 193b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry if ((flags_ & SVC_TEMPORARY) != 0) { 194b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry // Services created by 'exec' are temporary and don't have properties tracking their state. 195bac3299720623f4226bca103b26260052732ad30Tom Cherry return; 196bac3299720623f4226bca103b26260052732ad30Tom Cherry } 197bac3299720623f4226bca103b26260052732ad30Tom Cherry 1981c3a53f03ca3c2c647f83cd8b8ae7e18c5c7bc69Tom Cherry std::string prop_name = "init.svc." + name_; 1991c3a53f03ca3c2c647f83cd8b8ae7e18c5c7bc69Tom Cherry property_set(prop_name, new_state); 2009605a945f7a497c0307b512b9cd762f2d23973caElliott Hughes 2019605a945f7a497c0307b512b9cd762f2d23973caElliott Hughes if (new_state == "running") { 2029605a945f7a497c0307b512b9cd762f2d23973caElliott Hughes uint64_t start_ns = time_started_.time_since_epoch().count(); 203fed3373b5b671613c615b63800eb3977bb1911eaTom Cherry std::string boottime_property = "ro.boottime." + name_; 204fed3373b5b671613c615b63800eb3977bb1911eaTom Cherry if (GetProperty(boottime_property, "").empty()) { 205fed3373b5b671613c615b63800eb3977bb1911eaTom Cherry property_set(boottime_property, std::to_string(start_ns)); 206fed3373b5b671613c615b63800eb3977bb1911eaTom Cherry } 2079605a945f7a497c0307b512b9cd762f2d23973caElliott Hughes } 208bac3299720623f4226bca103b26260052732ad30Tom Cherry} 209bac3299720623f4226bca103b26260052732ad30Tom Cherry 210ad8e94e017173471e90c704eb7d8de5a14712aa7Elliott Hughesvoid Service::KillProcessGroup(int signal) { 21133838b1156cd1a5f8eec94756bee9e030a3dd2ebTom Cherry // If we've already seen a successful result from killProcessGroup*(), then we have removed 21233838b1156cd1a5f8eec94756bee9e030a3dd2ebTom Cherry // the cgroup already and calling these functions a second time will simply result in an error. 21333838b1156cd1a5f8eec94756bee9e030a3dd2ebTom Cherry // This is true regardless of which signal was sent. 21433838b1156cd1a5f8eec94756bee9e030a3dd2ebTom Cherry // These functions handle their own logging, so no additional logging is needed. 21533838b1156cd1a5f8eec94756bee9e030a3dd2ebTom Cherry if (!process_cgroup_empty_) { 21633838b1156cd1a5f8eec94756bee9e030a3dd2ebTom Cherry LOG(INFO) << "Sending signal " << signal << " to service '" << name_ << "' (pid " << pid_ 21733838b1156cd1a5f8eec94756bee9e030a3dd2ebTom Cherry << ") process group..."; 21833838b1156cd1a5f8eec94756bee9e030a3dd2ebTom Cherry int r; 21933838b1156cd1a5f8eec94756bee9e030a3dd2ebTom Cherry if (signal == SIGTERM) { 22033838b1156cd1a5f8eec94756bee9e030a3dd2ebTom Cherry r = killProcessGroupOnce(uid_, pid_, signal); 22133838b1156cd1a5f8eec94756bee9e030a3dd2ebTom Cherry } else { 22233838b1156cd1a5f8eec94756bee9e030a3dd2ebTom Cherry r = killProcessGroup(uid_, pid_, signal); 22333838b1156cd1a5f8eec94756bee9e030a3dd2ebTom Cherry } 22433838b1156cd1a5f8eec94756bee9e030a3dd2ebTom Cherry 22533838b1156cd1a5f8eec94756bee9e030a3dd2ebTom Cherry if (r == 0) process_cgroup_empty_ = true; 22633838b1156cd1a5f8eec94756bee9e030a3dd2ebTom Cherry } 227ad8e94e017173471e90c704eb7d8de5a14712aa7Elliott Hughes} 228ad8e94e017173471e90c704eb7d8de5a14712aa7Elliott Hughes 229344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obesvoid Service::SetProcessAttributes() { 2307ac013de7edc7ec6570ff6a5b6bd3bdce68b769cTom Cherry for (const auto& rlimit : rlimits_) { 2317ac013de7edc7ec6570ff6a5b6bd3bdce68b769cTom Cherry if (setrlimit(rlimit.first, &rlimit.second) == -1) { 2327ac013de7edc7ec6570ff6a5b6bd3bdce68b769cTom Cherry LOG(FATAL) << StringPrintf("setrlimit(%d, {rlim_cur=%ld, rlim_max=%ld}) failed", 2337ac013de7edc7ec6570ff6a5b6bd3bdce68b769cTom Cherry rlimit.first, rlimit.second.rlim_cur, rlimit.second.rlim_max); 2347ac013de7edc7ec6570ff6a5b6bd3bdce68b769cTom Cherry } 2357ac013de7edc7ec6570ff6a5b6bd3bdce68b769cTom Cherry } 23624b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes // Keep capabilites on uid change. 23724b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes if (capabilities_.any() && uid_) { 238f5965519d183ff188273689d151bfc2cb20ece2aLuis Hector Chavez // If Android is running in a container, some securebits might already 239f5965519d183ff188273689d151bfc2cb20ece2aLuis Hector Chavez // be locked, so don't change those. 240a72436067d5f88885e4b32fa7c5d22f1ea8c0756Ben Fennema unsigned long securebits = prctl(PR_GET_SECUREBITS); 241a72436067d5f88885e4b32fa7c5d22f1ea8c0756Ben Fennema if (securebits == -1UL) { 242f5965519d183ff188273689d151bfc2cb20ece2aLuis Hector Chavez PLOG(FATAL) << "prctl(PR_GET_SECUREBITS) failed for " << name_; 243f5965519d183ff188273689d151bfc2cb20ece2aLuis Hector Chavez } 244f5965519d183ff188273689d151bfc2cb20ece2aLuis Hector Chavez securebits |= SECBIT_KEEP_CAPS | SECBIT_KEEP_CAPS_LOCKED; 245f5965519d183ff188273689d151bfc2cb20ece2aLuis Hector Chavez if (prctl(PR_SET_SECUREBITS, securebits) != 0) { 246f5965519d183ff188273689d151bfc2cb20ece2aLuis Hector Chavez PLOG(FATAL) << "prctl(PR_SET_SECUREBITS) failed for " << name_; 24724b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes } 24824b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes } 24924b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes 250e18e7e5c43c39677c6d49f8f76893d720f90b4fbElliott Hughes // TODO: work out why this fails for `console` then upgrade to FATAL. 251e18e7e5c43c39677c6d49f8f76893d720f90b4fbElliott Hughes if (setpgid(0, getpid()) == -1) PLOG(ERROR) << "setpgid failed for " << name_; 252344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes 253344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes if (gid_) { 254344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes if (setgid(gid_) != 0) { 255e18e7e5c43c39677c6d49f8f76893d720f90b4fbElliott Hughes PLOG(FATAL) << "setgid failed for " << name_; 256344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 257344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 25880960d2a9a6e15931d946cc826dcb3d5bf68ca4fNick Kralevich if (setgroups(supp_gids_.size(), &supp_gids_[0]) != 0) { 25980960d2a9a6e15931d946cc826dcb3d5bf68ca4fNick Kralevich PLOG(FATAL) << "setgroups failed for " << name_; 260344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 261344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes if (uid_) { 262344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes if (setuid(uid_) != 0) { 263e18e7e5c43c39677c6d49f8f76893d720f90b4fbElliott Hughes PLOG(FATAL) << "setuid failed for " << name_; 264344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 265344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 266344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes if (!seclabel_.empty()) { 267344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes if (setexeccon(seclabel_.c_str()) < 0) { 268e18e7e5c43c39677c6d49f8f76893d720f90b4fbElliott Hughes PLOG(FATAL) << "cannot setexeccon('" << seclabel_ << "') for " << name_; 269344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 270344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 271344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes if (priority_ != 0) { 272344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes if (setpriority(PRIO_PROCESS, 0, priority_) != 0) { 273e18e7e5c43c39677c6d49f8f76893d720f90b4fbElliott Hughes PLOG(FATAL) << "setpriority failed for " << name_; 274344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 275344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 27624b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes if (capabilities_.any()) { 27724b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes if (!SetCapsForExec(capabilities_)) { 27824b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes LOG(FATAL) << "cannot set capabilities for " << name_; 27924b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes } 28024b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes } 281344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes} 282344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes 283b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherryvoid Service::Reap() { 284bac3299720623f4226bca103b26260052732ad30Tom Cherry if (!(flags_ & SVC_ONESHOT) || (flags_ & SVC_RESTART)) { 285ad8e94e017173471e90c704eb7d8de5a14712aa7Elliott Hughes KillProcessGroup(SIGKILL); 286bac3299720623f4226bca103b26260052732ad30Tom Cherry } 287bac3299720623f4226bca103b26260052732ad30Tom Cherry 28862767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn // Remove any descriptor resources we may have created. 28962767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn std::for_each(descriptors_.begin(), descriptors_.end(), 29062767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn std::bind(&DescriptorInfo::Clean, std::placeholders::_1)); 291bac3299720623f4226bca103b26260052732ad30Tom Cherry 2923b81f2d623c6cba45ad07fa91338d346d9b96482Tom Cherry if (flags_ & SVC_EXEC) UnSetExec(); 2933b81f2d623c6cba45ad07fa91338d346d9b96482Tom Cherry 2943b81f2d623c6cba45ad07fa91338d346d9b96482Tom Cherry if (flags_ & SVC_TEMPORARY) return; 295bac3299720623f4226bca103b26260052732ad30Tom Cherry 296bac3299720623f4226bca103b26260052732ad30Tom Cherry pid_ = 0; 297bac3299720623f4226bca103b26260052732ad30Tom Cherry flags_ &= (~SVC_RUNNING); 2985938379e910c4cbd7ed2429901bb3c45e62405d4Tom Cherry start_order_ = 0; 299bac3299720623f4226bca103b26260052732ad30Tom Cherry 300bac3299720623f4226bca103b26260052732ad30Tom Cherry // Oneshot processes go into the disabled state on exit, 301bac3299720623f4226bca103b26260052732ad30Tom Cherry // except when manually restarted. 302bac3299720623f4226bca103b26260052732ad30Tom Cherry if ((flags_ & SVC_ONESHOT) && !(flags_ & SVC_RESTART)) { 303bac3299720623f4226bca103b26260052732ad30Tom Cherry flags_ |= SVC_DISABLED; 304bac3299720623f4226bca103b26260052732ad30Tom Cherry } 305bac3299720623f4226bca103b26260052732ad30Tom Cherry 306bac3299720623f4226bca103b26260052732ad30Tom Cherry // Disabled and reset processes do not get restarted automatically. 307bac3299720623f4226bca103b26260052732ad30Tom Cherry if (flags_ & (SVC_DISABLED | SVC_RESET)) { 308bac3299720623f4226bca103b26260052732ad30Tom Cherry NotifyStateChange("stopped"); 309b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry return; 310bac3299720623f4226bca103b26260052732ad30Tom Cherry } 311bac3299720623f4226bca103b26260052732ad30Tom Cherry 3129605a945f7a497c0307b512b9cd762f2d23973caElliott Hughes // If we crash > 4 times in 4 minutes, reboot into recovery. 3139605a945f7a497c0307b512b9cd762f2d23973caElliott Hughes boot_clock::time_point now = boot_clock::now(); 314bac3299720623f4226bca103b26260052732ad30Tom Cherry if ((flags_ & SVC_CRITICAL) && !(flags_ & SVC_RESTART)) { 3159605a945f7a497c0307b512b9cd762f2d23973caElliott Hughes if (now < time_crashed_ + 4min) { 3169605a945f7a497c0307b512b9cd762f2d23973caElliott Hughes if (++crash_count_ > 4) { 317d8db7ab80d8a79c89393fa0c4ab343e85312d8d5Tom Cherry LOG(FATAL) << "critical process '" << name_ << "' exited 4 times in 4 minutes"; 318bac3299720623f4226bca103b26260052732ad30Tom Cherry } 319bac3299720623f4226bca103b26260052732ad30Tom Cherry } else { 320bac3299720623f4226bca103b26260052732ad30Tom Cherry time_crashed_ = now; 3219605a945f7a497c0307b512b9cd762f2d23973caElliott Hughes crash_count_ = 1; 322bac3299720623f4226bca103b26260052732ad30Tom Cherry } 323bac3299720623f4226bca103b26260052732ad30Tom Cherry } 324bac3299720623f4226bca103b26260052732ad30Tom Cherry 325bac3299720623f4226bca103b26260052732ad30Tom Cherry flags_ &= (~SVC_RESTART); 326bac3299720623f4226bca103b26260052732ad30Tom Cherry flags_ |= SVC_RESTARTING; 327bac3299720623f4226bca103b26260052732ad30Tom Cherry 328bac3299720623f4226bca103b26260052732ad30Tom Cherry // Execute all onrestart commands for this service. 329bac3299720623f4226bca103b26260052732ad30Tom Cherry onrestart_.ExecuteAllCommands(); 330bac3299720623f4226bca103b26260052732ad30Tom Cherry 331bac3299720623f4226bca103b26260052732ad30Tom Cherry NotifyStateChange("restarting"); 332b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry return; 333bac3299720623f4226bca103b26260052732ad30Tom Cherry} 334bac3299720623f4226bca103b26260052732ad30Tom Cherry 335bac3299720623f4226bca103b26260052732ad30Tom Cherryvoid Service::DumpState() const { 336f86b5a6b90619e02d1d034ef7b0adc3b439f4abbElliott Hughes LOG(INFO) << "service " << name_; 33781f5d3ebef2c3789737bf718fc2a2cdd7b9e8b33Tom Cherry LOG(INFO) << " class '" << Join(classnames_, " ") << "'"; 33881f5d3ebef2c3789737bf718fc2a2cdd7b9e8b33Tom Cherry LOG(INFO) << " exec " << Join(args_, " "); 33962767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn std::for_each(descriptors_.begin(), descriptors_.end(), 34062767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn [] (const auto& info) { LOG(INFO) << *info; }); 341bac3299720623f4226bca103b26260052732ad30Tom Cherry} 342bac3299720623f4226bca103b26260052732ad30Tom Cherry 34389bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom CherryResult<Success> Service::ParseCapabilities(const std::vector<std::string>& args) { 34424b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes capabilities_ = 0; 34524b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes 346f3f824ee42892fb69cb0d9b0557cd9c5aed357d2Jorge Lucangeli Obes if (!CapAmbientSupported()) { 34789bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Error() 34889bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry << "capabilities requested but the kernel does not support ambient capabilities"; 349f3f824ee42892fb69cb0d9b0557cd9c5aed357d2Jorge Lucangeli Obes } 350f3f824ee42892fb69cb0d9b0557cd9c5aed357d2Jorge Lucangeli Obes 351f3f824ee42892fb69cb0d9b0557cd9c5aed357d2Jorge Lucangeli Obes unsigned int last_valid_cap = GetLastValidCap(); 352f3f824ee42892fb69cb0d9b0557cd9c5aed357d2Jorge Lucangeli Obes if (last_valid_cap >= capabilities_.size()) { 353f3f824ee42892fb69cb0d9b0557cd9c5aed357d2Jorge Lucangeli Obes LOG(WARNING) << "last valid run-time capability is larger than CAP_LAST_CAP"; 354f3f824ee42892fb69cb0d9b0557cd9c5aed357d2Jorge Lucangeli Obes } 355f3f824ee42892fb69cb0d9b0557cd9c5aed357d2Jorge Lucangeli Obes 35624b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes for (size_t i = 1; i < args.size(); i++) { 35724b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes const std::string& arg = args[i]; 358f3f824ee42892fb69cb0d9b0557cd9c5aed357d2Jorge Lucangeli Obes int res = LookupCap(arg); 359f3f824ee42892fb69cb0d9b0557cd9c5aed357d2Jorge Lucangeli Obes if (res < 0) { 36089bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Error() << StringPrintf("invalid capability '%s'", arg.c_str()); 36124b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes } 362f3f824ee42892fb69cb0d9b0557cd9c5aed357d2Jorge Lucangeli Obes unsigned int cap = static_cast<unsigned int>(res); // |res| is >= 0. 363f3f824ee42892fb69cb0d9b0557cd9c5aed357d2Jorge Lucangeli Obes if (cap > last_valid_cap) { 36489bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Error() << StringPrintf("capability '%s' not supported by the kernel", 36589bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry arg.c_str()); 366f3f824ee42892fb69cb0d9b0557cd9c5aed357d2Jorge Lucangeli Obes } 36724b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes capabilities_[cap] = true; 36824b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes } 36989bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Success(); 37024b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes} 37124b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes 37289bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom CherryResult<Success> Service::ParseClass(const std::vector<std::string>& args) { 373641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang classnames_ = std::set<std::string>(args.begin() + 1, args.end()); 37489bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Success(); 375b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 376bac3299720623f4226bca103b26260052732ad30Tom Cherry 37789bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom CherryResult<Success> Service::ParseConsole(const std::vector<std::string>& args) { 378b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry flags_ |= SVC_CONSOLE; 37970daa67062c016eea1a30be2e1de0dcba1d23a13Viorel Suman console_ = args.size() > 1 ? "/dev/" + args[1] : ""; 38089bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Success(); 381b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 382bac3299720623f4226bca103b26260052732ad30Tom Cherry 38389bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom CherryResult<Success> Service::ParseCritical(const std::vector<std::string>& args) { 384b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry flags_ |= SVC_CRITICAL; 38589bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Success(); 386b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 387bac3299720623f4226bca103b26260052732ad30Tom Cherry 38889bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom CherryResult<Success> Service::ParseDisabled(const std::vector<std::string>& args) { 389b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry flags_ |= SVC_DISABLED; 390b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry flags_ |= SVC_RC_DISABLED; 39189bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Success(); 392b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 393bac3299720623f4226bca103b26260052732ad30Tom Cherry 39489bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom CherryResult<Success> Service::ParseGroup(const std::vector<std::string>& args) { 39511a3aeeae3dc887b889d4086d4d26d95c324c08dTom Cherry auto gid = DecodeUid(args[1]); 39611a3aeeae3dc887b889d4086d4d26d95c324c08dTom Cherry if (!gid) { 39789bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Error() << "Unable to decode GID for '" << args[1] << "': " << gid.error(); 398517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry } 39911a3aeeae3dc887b889d4086d4d26d95c324c08dTom Cherry gid_ = *gid; 40011a3aeeae3dc887b889d4086d4d26d95c324c08dTom Cherry 401b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry for (std::size_t n = 2; n < args.size(); n++) { 40211a3aeeae3dc887b889d4086d4d26d95c324c08dTom Cherry gid = DecodeUid(args[n]); 40311a3aeeae3dc887b889d4086d4d26d95c324c08dTom Cherry if (!gid) { 40489bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Error() << "Unable to decode GID for '" << args[n] << "': " << gid.error(); 405517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry } 40611a3aeeae3dc887b889d4086d4d26d95c324c08dTom Cherry supp_gids_.emplace_back(*gid); 407b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry } 40889bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Success(); 409b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 410bac3299720623f4226bca103b26260052732ad30Tom Cherry 41189bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom CherryResult<Success> Service::ParsePriority(const std::vector<std::string>& args) { 412da46b392f10d2809b5696632f67485f272ec5698Elliott Hughes priority_ = 0; 413da46b392f10d2809b5696632f67485f272ec5698Elliott Hughes if (!ParseInt(args[1], &priority_, 414dd34ca45ea80c519a579578562e73d5e7f86703bKeun-young Park static_cast<int>(ANDROID_PRIORITY_HIGHEST), // highest is negative 415dd34ca45ea80c519a579578562e73d5e7f86703bKeun-young Park static_cast<int>(ANDROID_PRIORITY_LOWEST))) { 41689bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Error() << StringPrintf("process priority value must be range %d - %d", 41789bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry ANDROID_PRIORITY_HIGHEST, ANDROID_PRIORITY_LOWEST); 418081705c258efbe938d71c2022528d809fa6d42c5Vitalii Tomkiv } 41989bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Success(); 420081705c258efbe938d71c2022528d809fa6d42c5Vitalii Tomkiv} 421081705c258efbe938d71c2022528d809fa6d42c5Vitalii Tomkiv 422e055d73396ecfba1dafd41fd2ec0cb3353c81e6aSteven MorelandResult<Success> Service::ParseInterface(const std::vector<std::string>& args) { 423e055d73396ecfba1dafd41fd2ec0cb3353c81e6aSteven Moreland const std::string& interface_name = args[1]; 424e055d73396ecfba1dafd41fd2ec0cb3353c81e6aSteven Moreland const std::string& instance_name = args[2]; 425e055d73396ecfba1dafd41fd2ec0cb3353c81e6aSteven Moreland 426e055d73396ecfba1dafd41fd2ec0cb3353c81e6aSteven Moreland const FQName fq_name = FQName(interface_name); 427e055d73396ecfba1dafd41fd2ec0cb3353c81e6aSteven Moreland if (!fq_name.isValid()) { 428e055d73396ecfba1dafd41fd2ec0cb3353c81e6aSteven Moreland return Error() << "Invalid fully-qualified name for interface '" << interface_name << "'"; 429e055d73396ecfba1dafd41fd2ec0cb3353c81e6aSteven Moreland } 430e055d73396ecfba1dafd41fd2ec0cb3353c81e6aSteven Moreland 431e055d73396ecfba1dafd41fd2ec0cb3353c81e6aSteven Moreland if (!fq_name.isFullyQualified()) { 432e055d73396ecfba1dafd41fd2ec0cb3353c81e6aSteven Moreland return Error() << "Interface name not fully-qualified '" << interface_name << "'"; 433e055d73396ecfba1dafd41fd2ec0cb3353c81e6aSteven Moreland } 434e055d73396ecfba1dafd41fd2ec0cb3353c81e6aSteven Moreland 435e055d73396ecfba1dafd41fd2ec0cb3353c81e6aSteven Moreland if (fq_name.isValidValueName()) { 436e055d73396ecfba1dafd41fd2ec0cb3353c81e6aSteven Moreland return Error() << "Interface name must not be a value name '" << interface_name << "'"; 437e055d73396ecfba1dafd41fd2ec0cb3353c81e6aSteven Moreland } 438e055d73396ecfba1dafd41fd2ec0cb3353c81e6aSteven Moreland 439e055d73396ecfba1dafd41fd2ec0cb3353c81e6aSteven Moreland const std::string fullname = interface_name + "/" + instance_name; 440e055d73396ecfba1dafd41fd2ec0cb3353c81e6aSteven Moreland 441e055d73396ecfba1dafd41fd2ec0cb3353c81e6aSteven Moreland for (const auto& svc : ServiceList::GetInstance()) { 442e055d73396ecfba1dafd41fd2ec0cb3353c81e6aSteven Moreland if (svc->interfaces().count(fullname) > 0) { 443e055d73396ecfba1dafd41fd2ec0cb3353c81e6aSteven Moreland return Error() << "Interface '" << fullname << "' redefined in " << name() 444e055d73396ecfba1dafd41fd2ec0cb3353c81e6aSteven Moreland << " but is already defined by " << svc->name(); 445e055d73396ecfba1dafd41fd2ec0cb3353c81e6aSteven Moreland } 446e055d73396ecfba1dafd41fd2ec0cb3353c81e6aSteven Moreland } 447e055d73396ecfba1dafd41fd2ec0cb3353c81e6aSteven Moreland 448e055d73396ecfba1dafd41fd2ec0cb3353c81e6aSteven Moreland interfaces_.insert(fullname); 449e055d73396ecfba1dafd41fd2ec0cb3353c81e6aSteven Moreland 450e055d73396ecfba1dafd41fd2ec0cb3353c81e6aSteven Moreland return Success(); 451e055d73396ecfba1dafd41fd2ec0cb3353c81e6aSteven Moreland} 452e055d73396ecfba1dafd41fd2ec0cb3353c81e6aSteven Moreland 45389bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom CherryResult<Success> Service::ParseIoprio(const std::vector<std::string>& args) { 454da46b392f10d2809b5696632f67485f272ec5698Elliott Hughes if (!ParseInt(args[2], &ioprio_pri_, 0, 7)) { 45589bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Error() << "priority value must be range 0 - 7"; 456b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry } 457b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 458b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry if (args[1] == "rt") { 459b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry ioprio_class_ = IoSchedClass_RT; 460b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry } else if (args[1] == "be") { 461b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry ioprio_class_ = IoSchedClass_BE; 462b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry } else if (args[1] == "idle") { 463b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry ioprio_class_ = IoSchedClass_IDLE; 464b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry } else { 46589bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Error() << "ioprio option usage: ioprio <rt|be|idle> <0-7>"; 466bac3299720623f4226bca103b26260052732ad30Tom Cherry } 467bac3299720623f4226bca103b26260052732ad30Tom Cherry 46889bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Success(); 469b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 470bac3299720623f4226bca103b26260052732ad30Tom Cherry 47189bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom CherryResult<Success> Service::ParseKeycodes(const std::vector<std::string>& args) { 472b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry for (std::size_t i = 1; i < args.size(); i++) { 473da46b392f10d2809b5696632f67485f272ec5698Elliott Hughes int code; 474da46b392f10d2809b5696632f67485f272ec5698Elliott Hughes if (ParseInt(args[i], &code)) { 475da46b392f10d2809b5696632f67485f272ec5698Elliott Hughes keycodes_.emplace_back(code); 476da46b392f10d2809b5696632f67485f272ec5698Elliott Hughes } else { 477da46b392f10d2809b5696632f67485f272ec5698Elliott Hughes LOG(WARNING) << "ignoring invalid keycode: " << args[i]; 478da46b392f10d2809b5696632f67485f272ec5698Elliott Hughes } 479bac3299720623f4226bca103b26260052732ad30Tom Cherry } 48089bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Success(); 481b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 482b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 48389bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom CherryResult<Success> Service::ParseOneshot(const std::vector<std::string>& args) { 484b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry flags_ |= SVC_ONESHOT; 48589bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Success(); 486b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 487b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 48889bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom CherryResult<Success> Service::ParseOnrestart(const std::vector<std::string>& args) { 489b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry std::vector<std::string> str_args(args.begin() + 1, args.end()); 490012c573e267b8dd70de14237cb470bd7301ee8eaTom Cherry int line = onrestart_.NumCommands() + 1; 49189bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry if (auto result = onrestart_.AddCommand(str_args, line); !result) { 49289bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Error() << "cannot add Onrestart command: " << result.error(); 49389bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry } 49489bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Success(); 495b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 496bac3299720623f4226bca103b26260052732ad30Tom Cherry 49789bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom CherryResult<Success> Service::ParseNamespace(const std::vector<std::string>& args) { 4981b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes for (size_t i = 1; i < args.size(); i++) { 4991b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes if (args[i] == "pid") { 5001b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes namespace_flags_ |= CLONE_NEWPID; 5011b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes // PID namespaces require mount namespaces. 5021b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes namespace_flags_ |= CLONE_NEWNS; 5031b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes } else if (args[i] == "mnt") { 5041b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes namespace_flags_ |= CLONE_NEWNS; 5051b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes } else { 50689bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Error() << "namespace must be 'pid' or 'mnt'"; 5071b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes } 5081b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes } 50989bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Success(); 5101b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes} 5111b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes 51289bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom CherryResult<Success> Service::ParseOomScoreAdjust(const std::vector<std::string>& args) { 513da46b392f10d2809b5696632f67485f272ec5698Elliott Hughes if (!ParseInt(args[1], &oom_score_adjust_, -1000, 1000)) { 51489bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Error() << "oom_score_adjust value must be in range -1000 - +1000"; 515310f6704d0dfe9ca4cfb153ce8e4212cc7596190Marco Nelissen } 51689bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Success(); 517310f6704d0dfe9ca4cfb153ce8e4212cc7596190Marco Nelissen} 518310f6704d0dfe9ca4cfb153ce8e4212cc7596190Marco Nelissen 51989bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom CherryResult<Success> Service::ParseMemcgSwappiness(const std::vector<std::string>& args) { 520d485226951013247dbb502fef7edbc6cf83acb0fRobert Benea if (!ParseInt(args[1], &swappiness_, 0)) { 52189bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Error() << "swappiness value must be equal or greater than 0"; 522d485226951013247dbb502fef7edbc6cf83acb0fRobert Benea } 52389bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Success(); 524d485226951013247dbb502fef7edbc6cf83acb0fRobert Benea} 525d485226951013247dbb502fef7edbc6cf83acb0fRobert Benea 52689bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom CherryResult<Success> Service::ParseMemcgLimitInBytes(const std::vector<std::string>& args) { 527d485226951013247dbb502fef7edbc6cf83acb0fRobert Benea if (!ParseInt(args[1], &limit_in_bytes_, 0)) { 52889bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Error() << "limit_in_bytes value must be equal or greater than 0"; 529d485226951013247dbb502fef7edbc6cf83acb0fRobert Benea } 53089bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Success(); 531d485226951013247dbb502fef7edbc6cf83acb0fRobert Benea} 532d485226951013247dbb502fef7edbc6cf83acb0fRobert Benea 53389bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom CherryResult<Success> Service::ParseMemcgSoftLimitInBytes(const std::vector<std::string>& args) { 534d485226951013247dbb502fef7edbc6cf83acb0fRobert Benea if (!ParseInt(args[1], &soft_limit_in_bytes_, 0)) { 53589bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Error() << "soft_limit_in_bytes value must be equal or greater than 0"; 536d485226951013247dbb502fef7edbc6cf83acb0fRobert Benea } 53789bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Success(); 538d485226951013247dbb502fef7edbc6cf83acb0fRobert Benea} 539d485226951013247dbb502fef7edbc6cf83acb0fRobert Benea 5407ac013de7edc7ec6570ff6a5b6bd3bdce68b769cTom CherryResult<Success> Service::ParseProcessRlimit(const std::vector<std::string>& args) { 5417ac013de7edc7ec6570ff6a5b6bd3bdce68b769cTom Cherry auto rlimit = ParseRlimit(args); 5427ac013de7edc7ec6570ff6a5b6bd3bdce68b769cTom Cherry if (!rlimit) return rlimit.error(); 5437ac013de7edc7ec6570ff6a5b6bd3bdce68b769cTom Cherry 5447ac013de7edc7ec6570ff6a5b6bd3bdce68b769cTom Cherry rlimits_.emplace_back(*rlimit); 5457ac013de7edc7ec6570ff6a5b6bd3bdce68b769cTom Cherry return Success(); 5467ac013de7edc7ec6570ff6a5b6bd3bdce68b769cTom Cherry} 5477ac013de7edc7ec6570ff6a5b6bd3bdce68b769cTom Cherry 54889bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom CherryResult<Success> Service::ParseSeclabel(const std::vector<std::string>& args) { 549b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry seclabel_ = args[1]; 55089bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Success(); 551b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 552b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 55389bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom CherryResult<Success> Service::ParseSetenv(const std::vector<std::string>& args) { 5546de21f11125941ea1b94fdeec754bacea3916fd5Tom Cherry environment_vars_.emplace_back(args[1], args[2]); 55589bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Success(); 556b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 557b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 55889bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom CherryResult<Success> Service::ParseShutdown(const std::vector<std::string>& args) { 559cccb34fce8798f2a359c6eb0e394ef9460673629Keun-young Park if (args[1] == "critical") { 560cccb34fce8798f2a359c6eb0e394ef9460673629Keun-young Park flags_ |= SVC_SHUTDOWN_CRITICAL; 56189bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Success(); 562cccb34fce8798f2a359c6eb0e394ef9460673629Keun-young Park } 56389bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Error() << "Invalid shutdown option"; 564cccb34fce8798f2a359c6eb0e394ef9460673629Keun-young Park} 565cccb34fce8798f2a359c6eb0e394ef9460673629Keun-young Park 56662767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyntemplate <typename T> 56789bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom CherryResult<Success> Service::AddDescriptor(const std::vector<std::string>& args) { 56862767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn int perm = args.size() > 3 ? std::strtoul(args[3].c_str(), 0, 8) : -1; 56911a3aeeae3dc887b889d4086d4d26d95c324c08dTom Cherry Result<uid_t> uid = 0; 57011a3aeeae3dc887b889d4086d4d26d95c324c08dTom Cherry Result<gid_t> gid = 0; 57162767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn std::string context = args.size() > 6 ? args[6] : ""; 57262767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn 573517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry if (args.size() > 4) { 57411a3aeeae3dc887b889d4086d4d26d95c324c08dTom Cherry uid = DecodeUid(args[4]); 57511a3aeeae3dc887b889d4086d4d26d95c324c08dTom Cherry if (!uid) { 57689bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Error() << "Unable to find UID for '" << args[4] << "': " << uid.error(); 577517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry } 578517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry } 579517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry 580517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry if (args.size() > 5) { 58111a3aeeae3dc887b889d4086d4d26d95c324c08dTom Cherry gid = DecodeUid(args[5]); 58211a3aeeae3dc887b889d4086d4d26d95c324c08dTom Cherry if (!gid) { 58389bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Error() << "Unable to find GID for '" << args[5] << "': " << gid.error(); 584517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry } 585517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry } 586517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry 58711a3aeeae3dc887b889d4086d4d26d95c324c08dTom Cherry auto descriptor = std::make_unique<T>(args[1], args[2], *uid, *gid, perm, context); 58862767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn 58962767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn auto old = 59062767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn std::find_if(descriptors_.begin(), descriptors_.end(), 59162767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn [&descriptor] (const auto& other) { return descriptor.get() == other.get(); }); 59262767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn 59362767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn if (old != descriptors_.end()) { 59489bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Error() << "duplicate descriptor " << args[1] << " " << args[2]; 59562767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn } 59662767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn 59762767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn descriptors_.emplace_back(std::move(descriptor)); 59889bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Success(); 59962767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn} 60062767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn 60162767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn// name type perm [ uid gid context ] 60289bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom CherryResult<Success> Service::ParseSocket(const std::vector<std::string>& args) { 60381f5d3ebef2c3789737bf718fc2a2cdd7b9e8b33Tom Cherry if (!StartsWith(args[2], "dgram") && !StartsWith(args[2], "stream") && 60481f5d3ebef2c3789737bf718fc2a2cdd7b9e8b33Tom Cherry !StartsWith(args[2], "seqpacket")) { 60589bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Error() << "socket type must be 'dgram', 'stream' or 'seqpacket'"; 606bac3299720623f4226bca103b26260052732ad30Tom Cherry } 60789bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return AddDescriptor<SocketInfo>(args); 60862767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn} 609b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 61062767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn// name type perm [ uid gid context ] 61189bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom CherryResult<Success> Service::ParseFile(const std::vector<std::string>& args) { 61262767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn if (args[2] != "r" && args[2] != "w" && args[2] != "rw") { 61389bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Error() << "file type must be 'r', 'w' or 'rw'"; 61462767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn } 61562767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn if ((args[1][0] != '/') || (args[1].find("../") != std::string::npos)) { 61689bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Error() << "file name must not be relative"; 61762767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn } 61889bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return AddDescriptor<FileInfo>(args); 619bac3299720623f4226bca103b26260052732ad30Tom Cherry} 620bac3299720623f4226bca103b26260052732ad30Tom Cherry 62189bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom CherryResult<Success> Service::ParseUser(const std::vector<std::string>& args) { 62211a3aeeae3dc887b889d4086d4d26d95c324c08dTom Cherry auto uid = DecodeUid(args[1]); 62311a3aeeae3dc887b889d4086d4d26d95c324c08dTom Cherry if (!uid) { 62489bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Error() << "Unable to find UID for '" << args[1] << "': " << uid.error(); 625517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry } 62611a3aeeae3dc887b889d4086d4d26d95c324c08dTom Cherry uid_ = *uid; 62789bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Success(); 628b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 629b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 63089bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom CherryResult<Success> Service::ParseWritepid(const std::vector<std::string>& args) { 631b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry writepid_files_.assign(args.begin() + 1, args.end()); 63289bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Success(); 633b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 634b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 635177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obesclass Service::OptionParserMap : public KeywordMap<OptionParser> { 636ad54d094cde838d19034b8325705b22dca0e9af0Tom Cherry public: 637ad54d094cde838d19034b8325705b22dca0e9af0Tom Cherry OptionParserMap() {} 638ad54d094cde838d19034b8325705b22dca0e9af0Tom Cherry 639ad54d094cde838d19034b8325705b22dca0e9af0Tom Cherry private: 640ad54d094cde838d19034b8325705b22dca0e9af0Tom Cherry const Map& map() const override; 641b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry}; 642b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 643ad54d094cde838d19034b8325705b22dca0e9af0Tom Cherryconst Service::OptionParserMap::Map& Service::OptionParserMap::map() const { 644b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry constexpr std::size_t kMax = std::numeric_limits<std::size_t>::max(); 645641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang // clang-format off 646177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes static const Map option_parsers = { 64724b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes {"capabilities", 64824b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes {1, kMax, &Service::ParseCapabilities}}, 649641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang {"class", {1, kMax, &Service::ParseClass}}, 650177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes {"console", {0, 1, &Service::ParseConsole}}, 651177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes {"critical", {0, 0, &Service::ParseCritical}}, 652177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes {"disabled", {0, 0, &Service::ParseDisabled}}, 653177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes {"group", {1, NR_SVC_SUPP_GIDS + 1, &Service::ParseGroup}}, 654e055d73396ecfba1dafd41fd2ec0cb3353c81e6aSteven Moreland {"interface", {2, 2, &Service::ParseInterface}}, 655177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes {"ioprio", {2, 2, &Service::ParseIoprio}}, 656177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes {"priority", {1, 1, &Service::ParsePriority}}, 657177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes {"keycodes", {1, kMax, &Service::ParseKeycodes}}, 658177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes {"oneshot", {0, 0, &Service::ParseOneshot}}, 659177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes {"onrestart", {1, kMax, &Service::ParseOnrestart}}, 660310f6704d0dfe9ca4cfb153ce8e4212cc7596190Marco Nelissen {"oom_score_adjust", 661310f6704d0dfe9ca4cfb153ce8e4212cc7596190Marco Nelissen {1, 1, &Service::ParseOomScoreAdjust}}, 662d485226951013247dbb502fef7edbc6cf83acb0fRobert Benea {"memcg.swappiness", 663d485226951013247dbb502fef7edbc6cf83acb0fRobert Benea {1, 1, &Service::ParseMemcgSwappiness}}, 664d485226951013247dbb502fef7edbc6cf83acb0fRobert Benea {"memcg.soft_limit_in_bytes", 665d485226951013247dbb502fef7edbc6cf83acb0fRobert Benea {1, 1, &Service::ParseMemcgSoftLimitInBytes}}, 666d485226951013247dbb502fef7edbc6cf83acb0fRobert Benea {"memcg.limit_in_bytes", 667d485226951013247dbb502fef7edbc6cf83acb0fRobert Benea {1, 1, &Service::ParseMemcgLimitInBytes}}, 668177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes {"namespace", {1, 2, &Service::ParseNamespace}}, 6697ac013de7edc7ec6570ff6a5b6bd3bdce68b769cTom Cherry {"rlimit", {3, 3, &Service::ParseProcessRlimit}}, 670177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes {"seclabel", {1, 1, &Service::ParseSeclabel}}, 671177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes {"setenv", {2, 2, &Service::ParseSetenv}}, 672cccb34fce8798f2a359c6eb0e394ef9460673629Keun-young Park {"shutdown", {1, 1, &Service::ParseShutdown}}, 673177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes {"socket", {3, 6, &Service::ParseSocket}}, 674978fd0ea254f11f84e38b41a74bbe70c81edc197Mark Salyzyn {"file", {2, 2, &Service::ParseFile}}, 675177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes {"user", {1, 1, &Service::ParseUser}}, 676177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes {"writepid", {1, kMax, &Service::ParseWritepid}}, 677b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry }; 678641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang // clang-format on 679177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes return option_parsers; 680b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 681b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 68289bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom CherryResult<Success> Service::ParseLine(const std::vector<std::string>& args) { 683177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes static const OptionParserMap parser_map; 68489bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry auto parser = parser_map.FindFunction(args); 685b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 68676af7e6a0c4ce7759e6cc5994b5496ddb09035eeTom Cherry if (!parser) return parser.error(); 687b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 68889bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return std::invoke(*parser, this, args); 689b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 690b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 69176af7e6a0c4ce7759e6cc5994b5496ddb09035eeTom CherryResult<Success> Service::ExecStart() { 6923b81f2d623c6cba45ad07fa91338d346d9b96482Tom Cherry flags_ |= SVC_ONESHOT; 693b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry 69476af7e6a0c4ce7759e6cc5994b5496ddb09035eeTom Cherry if (auto result = Start(); !result) { 69576af7e6a0c4ce7759e6cc5994b5496ddb09035eeTom Cherry return result; 696b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry } 6973b81f2d623c6cba45ad07fa91338d346d9b96482Tom Cherry 6983b81f2d623c6cba45ad07fa91338d346d9b96482Tom Cherry flags_ |= SVC_EXEC; 6993b81f2d623c6cba45ad07fa91338d346d9b96482Tom Cherry is_exec_service_running_ = true; 7003b81f2d623c6cba45ad07fa91338d346d9b96482Tom Cherry 7013b81f2d623c6cba45ad07fa91338d346d9b96482Tom Cherry LOG(INFO) << "SVC_EXEC pid " << pid_ << " (uid " << uid_ << " gid " << gid_ << "+" 7023b81f2d623c6cba45ad07fa91338d346d9b96482Tom Cherry << supp_gids_.size() << " context " << (!seclabel_.empty() ? seclabel_ : "default") 7033b81f2d623c6cba45ad07fa91338d346d9b96482Tom Cherry << ") started; waiting..."; 7043b81f2d623c6cba45ad07fa91338d346d9b96482Tom Cherry 70576af7e6a0c4ce7759e6cc5994b5496ddb09035eeTom Cherry return Success(); 706b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry} 707b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry 70876af7e6a0c4ce7759e6cc5994b5496ddb09035eeTom CherryResult<Success> Service::Start() { 709bac3299720623f4226bca103b26260052732ad30Tom Cherry // Starting a service removes it from the disabled or reset state and 710bac3299720623f4226bca103b26260052732ad30Tom Cherry // immediately takes it out of the restarting state if it was in there. 711bac3299720623f4226bca103b26260052732ad30Tom Cherry flags_ &= (~(SVC_DISABLED|SVC_RESTARTING|SVC_RESET|SVC_RESTART|SVC_DISABLED_START)); 712bac3299720623f4226bca103b26260052732ad30Tom Cherry 713bac3299720623f4226bca103b26260052732ad30Tom Cherry // Running processes require no additional work --- if they're in the 714bac3299720623f4226bca103b26260052732ad30Tom Cherry // process of exiting, we've ensured that they will immediately restart 715bac3299720623f4226bca103b26260052732ad30Tom Cherry // on exit, unless they are ONESHOT. 716bac3299720623f4226bca103b26260052732ad30Tom Cherry if (flags_ & SVC_RUNNING) { 71776af7e6a0c4ce7759e6cc5994b5496ddb09035eeTom Cherry // It is not an error to try to start a service that is already running. 71876af7e6a0c4ce7759e6cc5994b5496ddb09035eeTom Cherry return Success(); 719bac3299720623f4226bca103b26260052732ad30Tom Cherry } 720bac3299720623f4226bca103b26260052732ad30Tom Cherry 721bac3299720623f4226bca103b26260052732ad30Tom Cherry bool needs_console = (flags_ & SVC_CONSOLE); 72270daa67062c016eea1a30be2e1de0dcba1d23a13Viorel Suman if (needs_console) { 72370daa67062c016eea1a30be2e1de0dcba1d23a13Viorel Suman if (console_.empty()) { 72470daa67062c016eea1a30be2e1de0dcba1d23a13Viorel Suman console_ = default_console; 72570daa67062c016eea1a30be2e1de0dcba1d23a13Viorel Suman } 72670daa67062c016eea1a30be2e1de0dcba1d23a13Viorel Suman 72724ef8601c203a28b85a5e9168e5bada713e6a8f1Adrian Salido // Make sure that open call succeeds to ensure a console driver is 72824ef8601c203a28b85a5e9168e5bada713e6a8f1Adrian Salido // properly registered for the device node 72924ef8601c203a28b85a5e9168e5bada713e6a8f1Adrian Salido int console_fd = open(console_.c_str(), O_RDWR | O_CLOEXEC); 73024ef8601c203a28b85a5e9168e5bada713e6a8f1Adrian Salido if (console_fd < 0) { 73170daa67062c016eea1a30be2e1de0dcba1d23a13Viorel Suman flags_ |= SVC_DISABLED; 73276af7e6a0c4ce7759e6cc5994b5496ddb09035eeTom Cherry return ErrnoError() << "Couldn't open console '" << console_ << "'"; 73370daa67062c016eea1a30be2e1de0dcba1d23a13Viorel Suman } 73424ef8601c203a28b85a5e9168e5bada713e6a8f1Adrian Salido close(console_fd); 735bac3299720623f4226bca103b26260052732ad30Tom Cherry } 736bac3299720623f4226bca103b26260052732ad30Tom Cherry 737bac3299720623f4226bca103b26260052732ad30Tom Cherry struct stat sb; 738bac3299720623f4226bca103b26260052732ad30Tom Cherry if (stat(args_[0].c_str(), &sb) == -1) { 739bac3299720623f4226bca103b26260052732ad30Tom Cherry flags_ |= SVC_DISABLED; 74076af7e6a0c4ce7759e6cc5994b5496ddb09035eeTom Cherry return ErrnoError() << "Cannot find '" << args_[0] << "'"; 741bac3299720623f4226bca103b26260052732ad30Tom Cherry } 742bac3299720623f4226bca103b26260052732ad30Tom Cherry 743bac3299720623f4226bca103b26260052732ad30Tom Cherry std::string scon; 744bac3299720623f4226bca103b26260052732ad30Tom Cherry if (!seclabel_.empty()) { 745bac3299720623f4226bca103b26260052732ad30Tom Cherry scon = seclabel_; 746bac3299720623f4226bca103b26260052732ad30Tom Cherry } else { 74776af7e6a0c4ce7759e6cc5994b5496ddb09035eeTom Cherry auto result = ComputeContextFromExecutable(name_, args_[0]); 74876af7e6a0c4ce7759e6cc5994b5496ddb09035eeTom Cherry if (!result) { 74976af7e6a0c4ce7759e6cc5994b5496ddb09035eeTom Cherry return result.error(); 750bac3299720623f4226bca103b26260052732ad30Tom Cherry } 75176af7e6a0c4ce7759e6cc5994b5496ddb09035eeTom Cherry scon = *result; 752bac3299720623f4226bca103b26260052732ad30Tom Cherry } 753bac3299720623f4226bca103b26260052732ad30Tom Cherry 754a285dac9c0b95a0351dfa98dde60c74a1445dc57Wei Wang LOG(INFO) << "starting service '" << name_ << "'..."; 755bac3299720623f4226bca103b26260052732ad30Tom Cherry 7561b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes pid_t pid = -1; 7571b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes if (namespace_flags_) { 758344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes pid = clone(nullptr, nullptr, namespace_flags_ | SIGCHLD, nullptr); 7591b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes } else { 7601b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes pid = fork(); 7611b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes } 7621b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes 763bac3299720623f4226bca103b26260052732ad30Tom Cherry if (pid == 0) { 764bac3299720623f4226bca103b26260052732ad30Tom Cherry umask(077); 765bac3299720623f4226bca103b26260052732ad30Tom Cherry 7661b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes if (namespace_flags_ & CLONE_NEWPID) { 7671b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes // This will fork again to run an init process inside the PID 7681b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes // namespace. 7691b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes SetUpPidNamespace(name_); 7701b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes } 7711b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes 7726de21f11125941ea1b94fdeec754bacea3916fd5Tom Cherry for (const auto& [key, value] : environment_vars_) { 7736de21f11125941ea1b94fdeec754bacea3916fd5Tom Cherry setenv(key.c_str(), value.c_str(), 1); 774bac3299720623f4226bca103b26260052732ad30Tom Cherry } 775bac3299720623f4226bca103b26260052732ad30Tom Cherry 77662767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn std::for_each(descriptors_.begin(), descriptors_.end(), 77762767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn std::bind(&DescriptorInfo::CreateAndPublish, std::placeholders::_1, scon)); 778bac3299720623f4226bca103b26260052732ad30Tom Cherry 7790828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko // See if there were "writepid" instructions to write to files under /dev/cpuset/. 7800828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko auto cpuset_predicate = [](const std::string& path) { 78181f5d3ebef2c3789737bf718fc2a2cdd7b9e8b33Tom Cherry return StartsWith(path, "/dev/cpuset/"); 7820828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko }; 7830828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko auto iter = std::find_if(writepid_files_.begin(), writepid_files_.end(), cpuset_predicate); 7840828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko if (iter == writepid_files_.end()) { 7850828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko // There were no "writepid" instructions for cpusets, check if the system default 7860828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko // cpuset is specified to be used for the process. 78781f5d3ebef2c3789737bf718fc2a2cdd7b9e8b33Tom Cherry std::string default_cpuset = GetProperty("ro.cpuset.default", ""); 7880828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko if (!default_cpuset.empty()) { 7890828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko // Make sure the cpuset name starts and ends with '/'. 7900828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko // A single '/' means the 'root' cpuset. 7910828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko if (default_cpuset.front() != '/') { 7920828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko default_cpuset.insert(0, 1, '/'); 7930828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko } 7940828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko if (default_cpuset.back() != '/') { 7950828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko default_cpuset.push_back('/'); 7960828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko } 7970828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko writepid_files_.push_back( 7980828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko StringPrintf("/dev/cpuset%stasks", default_cpuset.c_str())); 7990828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko } 8000828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko } 8011c3a53f03ca3c2c647f83cd8b8ae7e18c5c7bc69Tom Cherry std::string pid_str = std::to_string(getpid()); 802bac3299720623f4226bca103b26260052732ad30Tom Cherry for (const auto& file : writepid_files_) { 803b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry if (!WriteStringToFile(pid_str, file)) { 804f86b5a6b90619e02d1d034ef7b0adc3b439f4abbElliott Hughes PLOG(ERROR) << "couldn't write " << pid_str << " to " << file; 805bac3299720623f4226bca103b26260052732ad30Tom Cherry } 806bac3299720623f4226bca103b26260052732ad30Tom Cherry } 807bac3299720623f4226bca103b26260052732ad30Tom Cherry 808bac3299720623f4226bca103b26260052732ad30Tom Cherry if (ioprio_class_ != IoSchedClass_NONE) { 809bac3299720623f4226bca103b26260052732ad30Tom Cherry if (android_set_ioprio(getpid(), ioprio_class_, ioprio_pri_)) { 810344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes PLOG(ERROR) << "failed to set pid " << getpid() 811f86b5a6b90619e02d1d034ef7b0adc3b439f4abbElliott Hughes << " ioprio=" << ioprio_class_ << "," << ioprio_pri_; 812bac3299720623f4226bca103b26260052732ad30Tom Cherry } 813bac3299720623f4226bca103b26260052732ad30Tom Cherry } 814bac3299720623f4226bca103b26260052732ad30Tom Cherry 815bac3299720623f4226bca103b26260052732ad30Tom Cherry if (needs_console) { 816bac3299720623f4226bca103b26260052732ad30Tom Cherry setsid(); 817bac3299720623f4226bca103b26260052732ad30Tom Cherry OpenConsole(); 818bac3299720623f4226bca103b26260052732ad30Tom Cherry } else { 819bac3299720623f4226bca103b26260052732ad30Tom Cherry ZapStdio(); 820bac3299720623f4226bca103b26260052732ad30Tom Cherry } 821bac3299720623f4226bca103b26260052732ad30Tom Cherry 822344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes // As requested, set our gid, supplemental gids, uid, context, and 823344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes // priority. Aborts on failure. 824344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes SetProcessAttributes(); 825bac3299720623f4226bca103b26260052732ad30Tom Cherry 8265e405cacb1f3ef2265fcc71dbbf6a39c1e7dc1c1Tom Cherry if (!ExpandArgsAndExecv(args_)) { 8275e405cacb1f3ef2265fcc71dbbf6a39c1e7dc1c1Tom Cherry PLOG(ERROR) << "cannot execve('" << args_[0] << "')"; 828bac3299720623f4226bca103b26260052732ad30Tom Cherry } 829bac3299720623f4226bca103b26260052732ad30Tom Cherry 830bac3299720623f4226bca103b26260052732ad30Tom Cherry _exit(127); 831bac3299720623f4226bca103b26260052732ad30Tom Cherry } 832bac3299720623f4226bca103b26260052732ad30Tom Cherry 833bac3299720623f4226bca103b26260052732ad30Tom Cherry if (pid < 0) { 834bac3299720623f4226bca103b26260052732ad30Tom Cherry pid_ = 0; 83576af7e6a0c4ce7759e6cc5994b5496ddb09035eeTom Cherry return ErrnoError() << "Failed to fork"; 836bac3299720623f4226bca103b26260052732ad30Tom Cherry } 837bac3299720623f4226bca103b26260052732ad30Tom Cherry 838310f6704d0dfe9ca4cfb153ce8e4212cc7596190Marco Nelissen if (oom_score_adjust_ != -1000) { 8391c3a53f03ca3c2c647f83cd8b8ae7e18c5c7bc69Tom Cherry std::string oom_str = std::to_string(oom_score_adjust_); 840310f6704d0dfe9ca4cfb153ce8e4212cc7596190Marco Nelissen std::string oom_file = StringPrintf("/proc/%d/oom_score_adj", pid); 841310f6704d0dfe9ca4cfb153ce8e4212cc7596190Marco Nelissen if (!WriteStringToFile(oom_str, oom_file)) { 842310f6704d0dfe9ca4cfb153ce8e4212cc7596190Marco Nelissen PLOG(ERROR) << "couldn't write oom_score_adj: " << strerror(errno); 843310f6704d0dfe9ca4cfb153ce8e4212cc7596190Marco Nelissen } 844310f6704d0dfe9ca4cfb153ce8e4212cc7596190Marco Nelissen } 845310f6704d0dfe9ca4cfb153ce8e4212cc7596190Marco Nelissen 8469605a945f7a497c0307b512b9cd762f2d23973caElliott Hughes time_started_ = boot_clock::now(); 847bac3299720623f4226bca103b26260052732ad30Tom Cherry pid_ = pid; 848bac3299720623f4226bca103b26260052732ad30Tom Cherry flags_ |= SVC_RUNNING; 8495938379e910c4cbd7ed2429901bb3c45e62405d4Tom Cherry start_order_ = next_start_order_++; 85033838b1156cd1a5f8eec94756bee9e030a3dd2ebTom Cherry process_cgroup_empty_ = false; 851ad8e94e017173471e90c704eb7d8de5a14712aa7Elliott Hughes 852ad8e94e017173471e90c704eb7d8de5a14712aa7Elliott Hughes errno = -createProcessGroup(uid_, pid_); 853ad8e94e017173471e90c704eb7d8de5a14712aa7Elliott Hughes if (errno != 0) { 854344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes PLOG(ERROR) << "createProcessGroup(" << uid_ << ", " << pid_ << ") failed for service '" 855344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes << name_ << "'"; 856d485226951013247dbb502fef7edbc6cf83acb0fRobert Benea } else { 857d485226951013247dbb502fef7edbc6cf83acb0fRobert Benea if (swappiness_ != -1) { 858d485226951013247dbb502fef7edbc6cf83acb0fRobert Benea if (!setProcessGroupSwappiness(uid_, pid_, swappiness_)) { 859d485226951013247dbb502fef7edbc6cf83acb0fRobert Benea PLOG(ERROR) << "setProcessGroupSwappiness failed"; 860d485226951013247dbb502fef7edbc6cf83acb0fRobert Benea } 861d485226951013247dbb502fef7edbc6cf83acb0fRobert Benea } 862d485226951013247dbb502fef7edbc6cf83acb0fRobert Benea 863d485226951013247dbb502fef7edbc6cf83acb0fRobert Benea if (soft_limit_in_bytes_ != -1) { 864d485226951013247dbb502fef7edbc6cf83acb0fRobert Benea if (!setProcessGroupSoftLimit(uid_, pid_, soft_limit_in_bytes_)) { 865d485226951013247dbb502fef7edbc6cf83acb0fRobert Benea PLOG(ERROR) << "setProcessGroupSoftLimit failed"; 866d485226951013247dbb502fef7edbc6cf83acb0fRobert Benea } 867d485226951013247dbb502fef7edbc6cf83acb0fRobert Benea } 868d485226951013247dbb502fef7edbc6cf83acb0fRobert Benea 869d485226951013247dbb502fef7edbc6cf83acb0fRobert Benea if (limit_in_bytes_ != -1) { 870d485226951013247dbb502fef7edbc6cf83acb0fRobert Benea if (!setProcessGroupLimit(uid_, pid_, limit_in_bytes_)) { 871d485226951013247dbb502fef7edbc6cf83acb0fRobert Benea PLOG(ERROR) << "setProcessGroupLimit failed"; 872d485226951013247dbb502fef7edbc6cf83acb0fRobert Benea } 873d485226951013247dbb502fef7edbc6cf83acb0fRobert Benea } 874ad8e94e017173471e90c704eb7d8de5a14712aa7Elliott Hughes } 875bac3299720623f4226bca103b26260052732ad30Tom Cherry 876bac3299720623f4226bca103b26260052732ad30Tom Cherry NotifyStateChange("running"); 87776af7e6a0c4ce7759e6cc5994b5496ddb09035eeTom Cherry return Success(); 878bac3299720623f4226bca103b26260052732ad30Tom Cherry} 879bac3299720623f4226bca103b26260052732ad30Tom Cherry 88076af7e6a0c4ce7759e6cc5994b5496ddb09035eeTom CherryResult<Success> Service::StartIfNotDisabled() { 881bac3299720623f4226bca103b26260052732ad30Tom Cherry if (!(flags_ & SVC_DISABLED)) { 882bac3299720623f4226bca103b26260052732ad30Tom Cherry return Start(); 883bac3299720623f4226bca103b26260052732ad30Tom Cherry } else { 884bac3299720623f4226bca103b26260052732ad30Tom Cherry flags_ |= SVC_DISABLED_START; 885bac3299720623f4226bca103b26260052732ad30Tom Cherry } 88676af7e6a0c4ce7759e6cc5994b5496ddb09035eeTom Cherry return Success(); 887bac3299720623f4226bca103b26260052732ad30Tom Cherry} 888bac3299720623f4226bca103b26260052732ad30Tom Cherry 88976af7e6a0c4ce7759e6cc5994b5496ddb09035eeTom CherryResult<Success> Service::Enable() { 890bac3299720623f4226bca103b26260052732ad30Tom Cherry flags_ &= ~(SVC_DISABLED | SVC_RC_DISABLED); 891bac3299720623f4226bca103b26260052732ad30Tom Cherry if (flags_ & SVC_DISABLED_START) { 892bac3299720623f4226bca103b26260052732ad30Tom Cherry return Start(); 893bac3299720623f4226bca103b26260052732ad30Tom Cherry } 89476af7e6a0c4ce7759e6cc5994b5496ddb09035eeTom Cherry return Success(); 895bac3299720623f4226bca103b26260052732ad30Tom Cherry} 896bac3299720623f4226bca103b26260052732ad30Tom Cherry 897bac3299720623f4226bca103b26260052732ad30Tom Cherryvoid Service::Reset() { 898bac3299720623f4226bca103b26260052732ad30Tom Cherry StopOrReset(SVC_RESET); 899bac3299720623f4226bca103b26260052732ad30Tom Cherry} 900bac3299720623f4226bca103b26260052732ad30Tom Cherry 901bac3299720623f4226bca103b26260052732ad30Tom Cherryvoid Service::Stop() { 902bac3299720623f4226bca103b26260052732ad30Tom Cherry StopOrReset(SVC_DISABLED); 903bac3299720623f4226bca103b26260052732ad30Tom Cherry} 904bac3299720623f4226bca103b26260052732ad30Tom Cherry 905b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNETvoid Service::Terminate() { 906b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET flags_ &= ~(SVC_RESTARTING | SVC_DISABLED_START); 907b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET flags_ |= SVC_DISABLED; 908b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET if (pid_) { 909ad8e94e017173471e90c704eb7d8de5a14712aa7Elliott Hughes KillProcessGroup(SIGTERM); 910b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET NotifyStateChange("stopping"); 911b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET } 912b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET} 913b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET 914bac3299720623f4226bca103b26260052732ad30Tom Cherryvoid Service::Restart() { 915bac3299720623f4226bca103b26260052732ad30Tom Cherry if (flags_ & SVC_RUNNING) { 916bac3299720623f4226bca103b26260052732ad30Tom Cherry /* Stop, wait, then start the service. */ 917bac3299720623f4226bca103b26260052732ad30Tom Cherry StopOrReset(SVC_RESTART); 918bac3299720623f4226bca103b26260052732ad30Tom Cherry } else if (!(flags_ & SVC_RESTARTING)) { 919bac3299720623f4226bca103b26260052732ad30Tom Cherry /* Just start the service since it's not running. */ 92076af7e6a0c4ce7759e6cc5994b5496ddb09035eeTom Cherry if (auto result = Start(); !result) { 92176af7e6a0c4ce7759e6cc5994b5496ddb09035eeTom Cherry LOG(ERROR) << "Could not restart '" << name_ << "': " << result.error(); 92276af7e6a0c4ce7759e6cc5994b5496ddb09035eeTom Cherry } 923bac3299720623f4226bca103b26260052732ad30Tom Cherry } /* else: Service is restarting anyways. */ 924bac3299720623f4226bca103b26260052732ad30Tom Cherry} 925bac3299720623f4226bca103b26260052732ad30Tom Cherry 926ad8e94e017173471e90c704eb7d8de5a14712aa7Elliott Hughes// The how field should be either SVC_DISABLED, SVC_RESET, or SVC_RESTART. 927bac3299720623f4226bca103b26260052732ad30Tom Cherryvoid Service::StopOrReset(int how) { 928ad8e94e017173471e90c704eb7d8de5a14712aa7Elliott Hughes // The service is still SVC_RUNNING until its process exits, but if it has 929ad8e94e017173471e90c704eb7d8de5a14712aa7Elliott Hughes // already exited it shoudn't attempt a restart yet. 930bac3299720623f4226bca103b26260052732ad30Tom Cherry flags_ &= ~(SVC_RESTARTING | SVC_DISABLED_START); 931bac3299720623f4226bca103b26260052732ad30Tom Cherry 932bac3299720623f4226bca103b26260052732ad30Tom Cherry if ((how != SVC_DISABLED) && (how != SVC_RESET) && (how != SVC_RESTART)) { 933ad8e94e017173471e90c704eb7d8de5a14712aa7Elliott Hughes // An illegal flag: default to SVC_DISABLED. 934bac3299720623f4226bca103b26260052732ad30Tom Cherry how = SVC_DISABLED; 935bac3299720623f4226bca103b26260052732ad30Tom Cherry } 936ad8e94e017173471e90c704eb7d8de5a14712aa7Elliott Hughes 937ad8e94e017173471e90c704eb7d8de5a14712aa7Elliott Hughes // If the service has not yet started, prevent it from auto-starting with its class. 938bac3299720623f4226bca103b26260052732ad30Tom Cherry if (how == SVC_RESET) { 939bac3299720623f4226bca103b26260052732ad30Tom Cherry flags_ |= (flags_ & SVC_RC_DISABLED) ? SVC_DISABLED : SVC_RESET; 940bac3299720623f4226bca103b26260052732ad30Tom Cherry } else { 941bac3299720623f4226bca103b26260052732ad30Tom Cherry flags_ |= how; 942bac3299720623f4226bca103b26260052732ad30Tom Cherry } 94384b856d90167d567238af95fceade30a0dc93d58Tao Wu // Make sure it's in right status when a restart immediately follow a 94484b856d90167d567238af95fceade30a0dc93d58Tao Wu // stop/reset or vice versa. 94584b856d90167d567238af95fceade30a0dc93d58Tao Wu if (how == SVC_RESTART) { 94684b856d90167d567238af95fceade30a0dc93d58Tao Wu flags_ &= (~(SVC_DISABLED | SVC_RESET)); 94784b856d90167d567238af95fceade30a0dc93d58Tao Wu } else { 94884b856d90167d567238af95fceade30a0dc93d58Tao Wu flags_ &= (~SVC_RESTART); 94984b856d90167d567238af95fceade30a0dc93d58Tao Wu } 950bac3299720623f4226bca103b26260052732ad30Tom Cherry 951bac3299720623f4226bca103b26260052732ad30Tom Cherry if (pid_) { 952ad8e94e017173471e90c704eb7d8de5a14712aa7Elliott Hughes KillProcessGroup(SIGKILL); 953bac3299720623f4226bca103b26260052732ad30Tom Cherry NotifyStateChange("stopping"); 954bac3299720623f4226bca103b26260052732ad30Tom Cherry } else { 955bac3299720623f4226bca103b26260052732ad30Tom Cherry NotifyStateChange("stopped"); 956bac3299720623f4226bca103b26260052732ad30Tom Cherry } 957bac3299720623f4226bca103b26260052732ad30Tom Cherry} 958bac3299720623f4226bca103b26260052732ad30Tom Cherry 959bac3299720623f4226bca103b26260052732ad30Tom Cherryvoid Service::ZapStdio() const { 960bac3299720623f4226bca103b26260052732ad30Tom Cherry int fd; 961bac3299720623f4226bca103b26260052732ad30Tom Cherry fd = open("/dev/null", O_RDWR); 962bac3299720623f4226bca103b26260052732ad30Tom Cherry dup2(fd, 0); 963bac3299720623f4226bca103b26260052732ad30Tom Cherry dup2(fd, 1); 964bac3299720623f4226bca103b26260052732ad30Tom Cherry dup2(fd, 2); 965bac3299720623f4226bca103b26260052732ad30Tom Cherry close(fd); 966bac3299720623f4226bca103b26260052732ad30Tom Cherry} 967bac3299720623f4226bca103b26260052732ad30Tom Cherry 968bac3299720623f4226bca103b26260052732ad30Tom Cherryvoid Service::OpenConsole() const { 96970daa67062c016eea1a30be2e1de0dcba1d23a13Viorel Suman int fd = open(console_.c_str(), O_RDWR); 97070daa67062c016eea1a30be2e1de0dcba1d23a13Viorel Suman if (fd == -1) fd = open("/dev/null", O_RDWR); 971bac3299720623f4226bca103b26260052732ad30Tom Cherry ioctl(fd, TIOCSCTTY, 0); 972bac3299720623f4226bca103b26260052732ad30Tom Cherry dup2(fd, 0); 973bac3299720623f4226bca103b26260052732ad30Tom Cherry dup2(fd, 1); 974bac3299720623f4226bca103b26260052732ad30Tom Cherry dup2(fd, 2); 975bac3299720623f4226bca103b26260052732ad30Tom Cherry close(fd); 976bac3299720623f4226bca103b26260052732ad30Tom Cherry} 977bac3299720623f4226bca103b26260052732ad30Tom Cherry 978911b9b1d6ead5f2e4c4158af0cd8787f4d458ddfTom CherryServiceList::ServiceList() {} 979bac3299720623f4226bca103b26260052732ad30Tom Cherry 980911b9b1d6ead5f2e4c4158af0cd8787f4d458ddfTom CherryServiceList& ServiceList::GetInstance() { 981911b9b1d6ead5f2e4c4158af0cd8787f4d458ddfTom Cherry static ServiceList instance; 982bac3299720623f4226bca103b26260052732ad30Tom Cherry return instance; 983bac3299720623f4226bca103b26260052732ad30Tom Cherry} 984bac3299720623f4226bca103b26260052732ad30Tom Cherry 985911b9b1d6ead5f2e4c4158af0cd8787f4d458ddfTom Cherryvoid ServiceList::AddService(std::unique_ptr<Service> service) { 986b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry services_.emplace_back(std::move(service)); 987bac3299720623f4226bca103b26260052732ad30Tom Cherry} 988bac3299720623f4226bca103b26260052732ad30Tom Cherry 9893b81f2d623c6cba45ad07fa91338d346d9b96482Tom Cherrystd::unique_ptr<Service> Service::MakeTemporaryOneshotService(const std::vector<std::string>& args) { 990bac3299720623f4226bca103b26260052732ad30Tom Cherry // Parse the arguments: exec [SECLABEL [UID [GID]*] --] COMMAND ARGS... 991bac3299720623f4226bca103b26260052732ad30Tom Cherry // SECLABEL can be a - to denote default 992bac3299720623f4226bca103b26260052732ad30Tom Cherry std::size_t command_arg = 1; 993bac3299720623f4226bca103b26260052732ad30Tom Cherry for (std::size_t i = 1; i < args.size(); ++i) { 994bac3299720623f4226bca103b26260052732ad30Tom Cherry if (args[i] == "--") { 995bac3299720623f4226bca103b26260052732ad30Tom Cherry command_arg = i + 1; 996bac3299720623f4226bca103b26260052732ad30Tom Cherry break; 997bac3299720623f4226bca103b26260052732ad30Tom Cherry } 998bac3299720623f4226bca103b26260052732ad30Tom Cherry } 999bac3299720623f4226bca103b26260052732ad30Tom Cherry if (command_arg > 4 + NR_SVC_SUPP_GIDS) { 1000f86b5a6b90619e02d1d034ef7b0adc3b439f4abbElliott Hughes LOG(ERROR) << "exec called with too many supplementary group ids"; 1001bac3299720623f4226bca103b26260052732ad30Tom Cherry return nullptr; 1002bac3299720623f4226bca103b26260052732ad30Tom Cherry } 1003bac3299720623f4226bca103b26260052732ad30Tom Cherry 1004bac3299720623f4226bca103b26260052732ad30Tom Cherry if (command_arg >= args.size()) { 1005f86b5a6b90619e02d1d034ef7b0adc3b439f4abbElliott Hughes LOG(ERROR) << "exec called without command"; 1006bac3299720623f4226bca103b26260052732ad30Tom Cherry return nullptr; 1007bac3299720623f4226bca103b26260052732ad30Tom Cherry } 1008bac3299720623f4226bca103b26260052732ad30Tom Cherry std::vector<std::string> str_args(args.begin() + command_arg, args.end()); 1009bac3299720623f4226bca103b26260052732ad30Tom Cherry 10103b81f2d623c6cba45ad07fa91338d346d9b96482Tom Cherry static size_t exec_count = 0; 10113b81f2d623c6cba45ad07fa91338d346d9b96482Tom Cherry exec_count++; 10123b81f2d623c6cba45ad07fa91338d346d9b96482Tom Cherry std::string name = "exec " + std::to_string(exec_count) + " (" + Join(str_args, " ") + ")"; 101386e31a81238fb30d113947e7689a38daf49097f3Tom Cherry 10143b81f2d623c6cba45ad07fa91338d346d9b96482Tom Cherry unsigned flags = SVC_ONESHOT | SVC_TEMPORARY; 101524b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes CapSet no_capabilities; 10161b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes unsigned namespace_flags = 0; 1017bac3299720623f4226bca103b26260052732ad30Tom Cherry 1018bac3299720623f4226bca103b26260052732ad30Tom Cherry std::string seclabel = ""; 1019bac3299720623f4226bca103b26260052732ad30Tom Cherry if (command_arg > 2 && args[1] != "-") { 1020bac3299720623f4226bca103b26260052732ad30Tom Cherry seclabel = args[1]; 1021bac3299720623f4226bca103b26260052732ad30Tom Cherry } 102211a3aeeae3dc887b889d4086d4d26d95c324c08dTom Cherry Result<uid_t> uid = 0; 1023bac3299720623f4226bca103b26260052732ad30Tom Cherry if (command_arg > 3) { 102411a3aeeae3dc887b889d4086d4d26d95c324c08dTom Cherry uid = DecodeUid(args[2]); 102511a3aeeae3dc887b889d4086d4d26d95c324c08dTom Cherry if (!uid) { 102611a3aeeae3dc887b889d4086d4d26d95c324c08dTom Cherry LOG(ERROR) << "Unable to decode UID for '" << args[2] << "': " << uid.error(); 1027517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry return nullptr; 1028517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry } 1029bac3299720623f4226bca103b26260052732ad30Tom Cherry } 103011a3aeeae3dc887b889d4086d4d26d95c324c08dTom Cherry Result<gid_t> gid = 0; 1031bac3299720623f4226bca103b26260052732ad30Tom Cherry std::vector<gid_t> supp_gids; 1032bac3299720623f4226bca103b26260052732ad30Tom Cherry if (command_arg > 4) { 103311a3aeeae3dc887b889d4086d4d26d95c324c08dTom Cherry gid = DecodeUid(args[3]); 103411a3aeeae3dc887b889d4086d4d26d95c324c08dTom Cherry if (!gid) { 103511a3aeeae3dc887b889d4086d4d26d95c324c08dTom Cherry LOG(ERROR) << "Unable to decode GID for '" << args[3] << "': " << gid.error(); 1036517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry return nullptr; 1037517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry } 1038bac3299720623f4226bca103b26260052732ad30Tom Cherry std::size_t nr_supp_gids = command_arg - 1 /* -- */ - 4 /* exec SECLABEL UID GID */; 1039bac3299720623f4226bca103b26260052732ad30Tom Cherry for (size_t i = 0; i < nr_supp_gids; ++i) { 104011a3aeeae3dc887b889d4086d4d26d95c324c08dTom Cherry auto supp_gid = DecodeUid(args[4 + i]); 104111a3aeeae3dc887b889d4086d4d26d95c324c08dTom Cherry if (!supp_gid) { 104211a3aeeae3dc887b889d4086d4d26d95c324c08dTom Cherry LOG(ERROR) << "Unable to decode GID for '" << args[4 + i] 104311a3aeeae3dc887b889d4086d4d26d95c324c08dTom Cherry << "': " << supp_gid.error(); 1044517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry return nullptr; 1045517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry } 104611a3aeeae3dc887b889d4086d4d26d95c324c08dTom Cherry supp_gids.push_back(*supp_gid); 1047bac3299720623f4226bca103b26260052732ad30Tom Cherry } 1048bac3299720623f4226bca103b26260052732ad30Tom Cherry } 1049bac3299720623f4226bca103b26260052732ad30Tom Cherry 105011a3aeeae3dc887b889d4086d4d26d95c324c08dTom Cherry return std::make_unique<Service>(name, flags, *uid, *gid, supp_gids, no_capabilities, 1051cb0f9bbc855097e0c8248643015b837255fd569aTom Cherry namespace_flags, seclabel, nullptr, str_args); 1052bac3299720623f4226bca103b26260052732ad30Tom Cherry} 1053bac3299720623f4226bca103b26260052732ad30Tom Cherry 10545938379e910c4cbd7ed2429901bb3c45e62405d4Tom Cherry// Shutdown services in the opposite order that they were started. 1055911b9b1d6ead5f2e4c4158af0cd8787f4d458ddfTom Cherryconst std::vector<Service*> ServiceList::services_in_shutdown_order() const { 10565938379e910c4cbd7ed2429901bb3c45e62405d4Tom Cherry std::vector<Service*> shutdown_services; 10575938379e910c4cbd7ed2429901bb3c45e62405d4Tom Cherry for (const auto& service : services_) { 10585938379e910c4cbd7ed2429901bb3c45e62405d4Tom Cherry if (service->start_order() > 0) shutdown_services.emplace_back(service.get()); 10595938379e910c4cbd7ed2429901bb3c45e62405d4Tom Cherry } 10605938379e910c4cbd7ed2429901bb3c45e62405d4Tom Cherry std::sort(shutdown_services.begin(), shutdown_services.end(), 10615938379e910c4cbd7ed2429901bb3c45e62405d4Tom Cherry [](const auto& a, const auto& b) { return a->start_order() > b->start_order(); }); 1062911b9b1d6ead5f2e4c4158af0cd8787f4d458ddfTom Cherry return shutdown_services; 1063bac3299720623f4226bca103b26260052732ad30Tom Cherry} 1064bac3299720623f4226bca103b26260052732ad30Tom Cherry 1065911b9b1d6ead5f2e4c4158af0cd8787f4d458ddfTom Cherryvoid ServiceList::RemoveService(const Service& svc) { 1066bac3299720623f4226bca103b26260052732ad30Tom Cherry auto svc_it = std::find_if(services_.begin(), services_.end(), 1067bac3299720623f4226bca103b26260052732ad30Tom Cherry [&svc] (const std::unique_ptr<Service>& s) { 1068bac3299720623f4226bca103b26260052732ad30Tom Cherry return svc.name() == s->name(); 1069bac3299720623f4226bca103b26260052732ad30Tom Cherry }); 1070bac3299720623f4226bca103b26260052732ad30Tom Cherry if (svc_it == services_.end()) { 1071bac3299720623f4226bca103b26260052732ad30Tom Cherry return; 1072bac3299720623f4226bca103b26260052732ad30Tom Cherry } 1073bac3299720623f4226bca103b26260052732ad30Tom Cherry 1074bac3299720623f4226bca103b26260052732ad30Tom Cherry services_.erase(svc_it); 1075bac3299720623f4226bca103b26260052732ad30Tom Cherry} 1076bac3299720623f4226bca103b26260052732ad30Tom Cherry 1077911b9b1d6ead5f2e4c4158af0cd8787f4d458ddfTom Cherryvoid ServiceList::DumpState() const { 1078b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry for (const auto& s : services_) { 1079b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry s->DumpState(); 1080b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry } 1081b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 1082b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 108389bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom CherryResult<Success> ServiceParser::ParseSection(std::vector<std::string>&& args, 108489bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry const std::string& filename, int line) { 1085b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry if (args.size() < 3) { 108689bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Error() << "services must have a name and a program"; 1087b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry } 1088b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 1089b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry const std::string& name = args[1]; 1090b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry if (!IsValidName(name)) { 109189bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Error() << "invalid service name '" << name << "'"; 1092b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry } 1093b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 1094911b9b1d6ead5f2e4c4158af0cd8787f4d458ddfTom Cherry Service* old_service = service_list_->FindService(name); 109530a6f276fd8850b0a78689d7bff3cb06a18cb286Tom Cherry if (old_service) { 109689bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Error() << "ignored duplicate definition of service '" << name << "'"; 109730a6f276fd8850b0a78689d7bff3cb06a18cb286Tom Cherry } 109830a6f276fd8850b0a78689d7bff3cb06a18cb286Tom Cherry 1099cb0f9bbc855097e0c8248643015b837255fd569aTom Cherry Subcontext* restart_action_subcontext = nullptr; 1100cb0f9bbc855097e0c8248643015b837255fd569aTom Cherry if (subcontexts_) { 1101cb0f9bbc855097e0c8248643015b837255fd569aTom Cherry for (auto& subcontext : *subcontexts_) { 1102cb0f9bbc855097e0c8248643015b837255fd569aTom Cherry if (StartsWith(filename, subcontext.path_prefix().c_str())) { 1103cb0f9bbc855097e0c8248643015b837255fd569aTom Cherry restart_action_subcontext = &subcontext; 1104cb0f9bbc855097e0c8248643015b837255fd569aTom Cherry break; 1105cb0f9bbc855097e0c8248643015b837255fd569aTom Cherry } 1106cb0f9bbc855097e0c8248643015b837255fd569aTom Cherry } 1107cb0f9bbc855097e0c8248643015b837255fd569aTom Cherry } 1108cb0f9bbc855097e0c8248643015b837255fd569aTom Cherry 1109b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry std::vector<std::string> str_args(args.begin() + 2, args.end()); 1110cb0f9bbc855097e0c8248643015b837255fd569aTom Cherry service_ = std::make_unique<Service>(name, restart_action_subcontext, str_args); 111189bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return Success(); 1112b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 1113b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 111489bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom CherryResult<Success> ServiceParser::ParseLineSection(std::vector<std::string>&& args, int line) { 111589bcc85edfff4a2b2378f638ab90b2f7e19a8472Tom Cherry return service_ ? service_->ParseLine(std::move(args)) : Success(); 1116b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 1117b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 1118b7349902a945903f9e36a569051f5131beb0bc24Tom Cherryvoid ServiceParser::EndSection() { 1119b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry if (service_) { 1120911b9b1d6ead5f2e4c4158af0cd8787f4d458ddfTom Cherry service_list_->AddService(std::move(service_)); 1121b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry } 1122b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 1123b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 1124b7349902a945903f9e36a569051f5131beb0bc24Tom Cherrybool ServiceParser::IsValidName(const std::string& name) const { 1125b7788fd454da2201c6e48dededa9b11873ef621eElliott Hughes // Property names can be any length, but may only contain certain characters. 1126b7788fd454da2201c6e48dededa9b11873ef621eElliott Hughes // Property values can contain any characters, but may only be a certain length. 1127b7788fd454da2201c6e48dededa9b11873ef621eElliott Hughes // (The latter restriction is needed because `start` and `stop` work by writing 1128b7788fd454da2201c6e48dededa9b11873ef621eElliott Hughes // the service name to the "ctl.start" and "ctl.stop" properties.) 1129b7788fd454da2201c6e48dededa9b11873ef621eElliott Hughes return is_legal_property_name("init.svc." + name) && name.size() <= PROP_VALUE_MAX; 1130bac3299720623f4226bca103b26260052732ad30Tom Cherry} 113181f5d3ebef2c3789737bf718fc2a2cdd7b9e8b33Tom Cherry 113281f5d3ebef2c3789737bf718fc2a2cdd7b9e8b33Tom Cherry} // namespace init 113381f5d3ebef2c3789737bf718fc2a2cdd7b9e8b33Tom Cherry} // namespace android 1134