service.cpp revision 1c3a53f03ca3c2c647f83cd8b8ae7e18c5c7bc69
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> 374f71319df011d796a60a43fc1bc68e16fbf7d321Elliott Hughes#include <android-base/stringprintf.h> 38f86b5a6b90619e02d1d034ef7b0adc3b439f4abbElliott Hughes#include <android-base/strings.h> 39f7e79b99c1e9e3128dd9921871f7740bebb755e6Collin Mulliner#include <processgroup/processgroup.h> 403f5eaae526413a29de899270714469c76dc91ec8Tom Cherry#include <selinux/selinux.h> 413f5eaae526413a29de899270714469c76dc91ec8Tom Cherry#include <system/thread_defs.h> 42f7e79b99c1e9e3128dd9921871f7740bebb755e6Collin Mulliner 43bac3299720623f4226bca103b26260052732ad30Tom Cherry#include "init.h" 44bac3299720623f4226bca103b26260052732ad30Tom Cherry#include "property_service.h" 45bac3299720623f4226bca103b26260052732ad30Tom Cherry#include "util.h" 46bac3299720623f4226bca103b26260052732ad30Tom Cherry 47e78ea77f6992013b16fd57c07548b53129cdd12fJames Hawkinsusing android::base::boot_clock; 48da46b392f10d2809b5696632f67485f272ec5698Elliott Hughesusing android::base::ParseInt; 49b7349902a945903f9e36a569051f5131beb0bc24Tom Cherryusing android::base::StringPrintf; 50b7349902a945903f9e36a569051f5131beb0bc24Tom Cherryusing android::base::WriteStringToFile; 51b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 52344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obesstatic std::string ComputeContextFromExecutable(std::string& service_name, 53344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes const std::string& service_path) { 54344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes std::string computed_context; 55344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes 56344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes char* raw_con = nullptr; 57344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes char* raw_filecon = nullptr; 58344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes 59344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes if (getcon(&raw_con) == -1) { 60344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes LOG(ERROR) << "could not get context while starting '" << service_name << "'"; 61344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes return ""; 62344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 63344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes std::unique_ptr<char> mycon(raw_con); 64344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes 65344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes if (getfilecon(service_path.c_str(), &raw_filecon) == -1) { 66344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes LOG(ERROR) << "could not get file context while starting '" << service_name << "'"; 67344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes return ""; 68344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 69344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes std::unique_ptr<char> filecon(raw_filecon); 70344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes 71344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes char* new_con = nullptr; 72344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes int rc = security_compute_create(mycon.get(), filecon.get(), 73344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes string_to_security_class("process"), &new_con); 74344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes if (rc == 0) { 75344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes computed_context = new_con; 76344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes free(new_con); 77344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 78344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes if (rc == 0 && computed_context == mycon.get()) { 79344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes LOG(ERROR) << "service " << service_name << " does not have a SELinux domain defined"; 80344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes return ""; 81344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 82344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes if (rc < 0) { 83344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes LOG(ERROR) << "could not get context while starting '" << service_name << "'"; 84344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes return ""; 85344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 86344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes return computed_context; 87344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes} 88344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes 891b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obesstatic void SetUpPidNamespace(const std::string& service_name) { 901b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes constexpr unsigned int kSafeFlags = MS_NODEV | MS_NOEXEC | MS_NOSUID; 911b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes 921b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes // It's OK to LOG(FATAL) in this function since it's running in the first 931b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes // child process. 941b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes if (mount("", "/proc", "proc", kSafeFlags | MS_REMOUNT, "") == -1) { 95e18e7e5c43c39677c6d49f8f76893d720f90b4fbElliott Hughes PLOG(FATAL) << "couldn't remount(/proc) for " << service_name; 961b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes } 971b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes 981b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes if (prctl(PR_SET_NAME, service_name.c_str()) == -1) { 99e18e7e5c43c39677c6d49f8f76893d720f90b4fbElliott Hughes PLOG(FATAL) << "couldn't set name for " << service_name; 1001b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes } 1011b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes 1021b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes pid_t child_pid = fork(); 1031b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes if (child_pid == -1) { 104e18e7e5c43c39677c6d49f8f76893d720f90b4fbElliott Hughes PLOG(FATAL) << "couldn't fork init inside the PID namespace for " << service_name; 1051b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes } 1061b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes 1071b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes if (child_pid > 0) { 1081b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes // So that we exit with the right status. 1091b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes static int init_exitstatus = 0; 1101b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes signal(SIGTERM, [](int) { _exit(init_exitstatus); }); 1111b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes 1121b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes pid_t waited_pid; 1131b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes int status; 1141b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes while ((waited_pid = wait(&status)) > 0) { 1151b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes // This loop will end when there are no processes left inside the 1161b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes // PID namespace or when the init process inside the PID namespace 1171b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes // gets a signal. 1181b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes if (waited_pid == child_pid) { 1191b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes init_exitstatus = status; 1201b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes } 1211b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes } 1221b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes if (!WIFEXITED(init_exitstatus)) { 1231b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes _exit(EXIT_FAILURE); 1241b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes } 1251b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes _exit(WEXITSTATUS(init_exitstatus)); 1261b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes } 1271b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes} 1281b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes 129344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obesstatic void ExpandArgs(const std::vector<std::string>& args, std::vector<char*>* strs) { 130344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes std::vector<std::string> expanded_args; 131344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes expanded_args.resize(args.size()); 132344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes strs->push_back(const_cast<char*>(args[0].c_str())); 133344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes for (std::size_t i = 1; i < args.size(); ++i) { 134344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes if (!expand_props(args[i], &expanded_args[i])) { 135344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes LOG(FATAL) << args[0] << ": cannot expand '" << args[i] << "'"; 136344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 137344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes strs->push_back(const_cast<char*>(expanded_args[i].c_str())); 138344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 139344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes strs->push_back(nullptr); 140344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes} 141344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes 142bac3299720623f4226bca103b26260052732ad30Tom CherryServiceEnvironmentInfo::ServiceEnvironmentInfo() { 143bac3299720623f4226bca103b26260052732ad30Tom Cherry} 144bac3299720623f4226bca103b26260052732ad30Tom Cherry 145bac3299720623f4226bca103b26260052732ad30Tom CherryServiceEnvironmentInfo::ServiceEnvironmentInfo(const std::string& name, 146bac3299720623f4226bca103b26260052732ad30Tom Cherry const std::string& value) 147bac3299720623f4226bca103b26260052732ad30Tom Cherry : name(name), value(value) { 148bac3299720623f4226bca103b26260052732ad30Tom Cherry} 149bac3299720623f4226bca103b26260052732ad30Tom Cherry 150641ff0a4d8d05349d9c22f726a035a2936a2a94dWei WangService::Service(const std::string& name, const std::vector<std::string>& args) 151641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang : name_(name), 152641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang classnames_({"default"}), 153641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang flags_(0), 154641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang pid_(0), 155641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang crash_count_(0), 156641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang uid_(0), 157641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang gid_(0), 158641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang namespace_flags_(0), 159641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang seclabel_(""), 160012c573e267b8dd70de14237cb470bd7301ee8eaTom Cherry onrestart_(false, "<Service '" + name + "' onrestart>", 0), 1617da548578c25683fe0082283303e16961df312daTom Cherry keychord_id_(0), 162641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang ioprio_class_(IoSchedClass_NONE), 163641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang ioprio_pri_(0), 164641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang priority_(0), 165641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang oom_score_adjust_(-1000), 166641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang args_(args) { 167bac3299720623f4226bca103b26260052732ad30Tom Cherry onrestart_.InitSingleTrigger("onrestart"); 168bac3299720623f4226bca103b26260052732ad30Tom Cherry} 169bac3299720623f4226bca103b26260052732ad30Tom Cherry 170641ff0a4d8d05349d9c22f726a035a2936a2a94dWei WangService::Service(const std::string& name, unsigned flags, uid_t uid, gid_t gid, 171641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang const std::vector<gid_t>& supp_gids, const CapSet& capabilities, 172641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang unsigned namespace_flags, const std::string& seclabel, 1731b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes const std::vector<std::string>& args) 174641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang : name_(name), 175641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang classnames_({"default"}), 176641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang flags_(flags), 177641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang pid_(0), 178641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang crash_count_(0), 179641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang uid_(uid), 180641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang gid_(gid), 181641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang supp_gids_(supp_gids), 182641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang capabilities_(capabilities), 183641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang namespace_flags_(namespace_flags), 184641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang seclabel_(seclabel), 185012c573e267b8dd70de14237cb470bd7301ee8eaTom Cherry onrestart_(false, "<Service '" + name + "' onrestart>", 0), 1867da548578c25683fe0082283303e16961df312daTom Cherry keychord_id_(0), 187641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang ioprio_class_(IoSchedClass_NONE), 188641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang ioprio_pri_(0), 189641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang priority_(0), 190641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang oom_score_adjust_(-1000), 191641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang args_(args) { 192bac3299720623f4226bca103b26260052732ad30Tom Cherry onrestart_.InitSingleTrigger("onrestart"); 193bac3299720623f4226bca103b26260052732ad30Tom Cherry} 194bac3299720623f4226bca103b26260052732ad30Tom Cherry 195bac3299720623f4226bca103b26260052732ad30Tom Cherryvoid Service::NotifyStateChange(const std::string& new_state) const { 196b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry if ((flags_ & SVC_TEMPORARY) != 0) { 197b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry // Services created by 'exec' are temporary and don't have properties tracking their state. 198bac3299720623f4226bca103b26260052732ad30Tom Cherry return; 199bac3299720623f4226bca103b26260052732ad30Tom Cherry } 200bac3299720623f4226bca103b26260052732ad30Tom Cherry 2011c3a53f03ca3c2c647f83cd8b8ae7e18c5c7bc69Tom Cherry std::string prop_name = "init.svc." + name_; 2021c3a53f03ca3c2c647f83cd8b8ae7e18c5c7bc69Tom Cherry property_set(prop_name, new_state); 2039605a945f7a497c0307b512b9cd762f2d23973caElliott Hughes 2049605a945f7a497c0307b512b9cd762f2d23973caElliott Hughes if (new_state == "running") { 2059605a945f7a497c0307b512b9cd762f2d23973caElliott Hughes uint64_t start_ns = time_started_.time_since_epoch().count(); 2061c3a53f03ca3c2c647f83cd8b8ae7e18c5c7bc69Tom Cherry property_set("ro.boottime." + name_, std::to_string(start_ns)); 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() { 23024b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes // Keep capabilites on uid change. 23124b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes if (capabilities_.any() && uid_) { 23224b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes if (prctl(PR_SET_SECUREBITS, SECBIT_KEEP_CAPS | SECBIT_KEEP_CAPS_LOCKED) != 0) { 23324b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes PLOG(FATAL) << "prtcl(PR_SET_KEEPCAPS) failed for " << name_; 23424b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes } 23524b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes } 23624b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes 237e18e7e5c43c39677c6d49f8f76893d720f90b4fbElliott Hughes // TODO: work out why this fails for `console` then upgrade to FATAL. 238e18e7e5c43c39677c6d49f8f76893d720f90b4fbElliott Hughes if (setpgid(0, getpid()) == -1) PLOG(ERROR) << "setpgid failed for " << name_; 239344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes 240344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes if (gid_) { 241344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes if (setgid(gid_) != 0) { 242e18e7e5c43c39677c6d49f8f76893d720f90b4fbElliott Hughes PLOG(FATAL) << "setgid failed for " << name_; 243344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 244344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 24580960d2a9a6e15931d946cc826dcb3d5bf68ca4fNick Kralevich if (setgroups(supp_gids_.size(), &supp_gids_[0]) != 0) { 24680960d2a9a6e15931d946cc826dcb3d5bf68ca4fNick Kralevich PLOG(FATAL) << "setgroups failed for " << name_; 247344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 248344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes if (uid_) { 249344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes if (setuid(uid_) != 0) { 250e18e7e5c43c39677c6d49f8f76893d720f90b4fbElliott Hughes PLOG(FATAL) << "setuid failed for " << name_; 251344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 252344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 253344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes if (!seclabel_.empty()) { 254344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes if (setexeccon(seclabel_.c_str()) < 0) { 255e18e7e5c43c39677c6d49f8f76893d720f90b4fbElliott Hughes PLOG(FATAL) << "cannot setexeccon('" << seclabel_ << "') for " << name_; 256344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 257344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 258344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes if (priority_ != 0) { 259344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes if (setpriority(PRIO_PROCESS, 0, priority_) != 0) { 260e18e7e5c43c39677c6d49f8f76893d720f90b4fbElliott Hughes PLOG(FATAL) << "setpriority failed for " << name_; 261344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 262344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 26324b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes if (capabilities_.any()) { 26424b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes if (!SetCapsForExec(capabilities_)) { 26524b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes LOG(FATAL) << "cannot set capabilities for " << name_; 26624b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes } 26724b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes } 268344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes} 269344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes 270b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherryvoid Service::Reap() { 271bac3299720623f4226bca103b26260052732ad30Tom Cherry if (!(flags_ & SVC_ONESHOT) || (flags_ & SVC_RESTART)) { 272ad8e94e017173471e90c704eb7d8de5a14712aa7Elliott Hughes KillProcessGroup(SIGKILL); 273bac3299720623f4226bca103b26260052732ad30Tom Cherry } 274bac3299720623f4226bca103b26260052732ad30Tom Cherry 27562767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn // Remove any descriptor resources we may have created. 27662767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn std::for_each(descriptors_.begin(), descriptors_.end(), 27762767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn std::bind(&DescriptorInfo::Clean, std::placeholders::_1)); 278bac3299720623f4226bca103b26260052732ad30Tom Cherry 279b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry if (flags_ & SVC_TEMPORARY) { 280b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry return; 281bac3299720623f4226bca103b26260052732ad30Tom Cherry } 282bac3299720623f4226bca103b26260052732ad30Tom Cherry 283bac3299720623f4226bca103b26260052732ad30Tom Cherry pid_ = 0; 284bac3299720623f4226bca103b26260052732ad30Tom Cherry flags_ &= (~SVC_RUNNING); 285bac3299720623f4226bca103b26260052732ad30Tom Cherry 286bac3299720623f4226bca103b26260052732ad30Tom Cherry // Oneshot processes go into the disabled state on exit, 287bac3299720623f4226bca103b26260052732ad30Tom Cherry // except when manually restarted. 288bac3299720623f4226bca103b26260052732ad30Tom Cherry if ((flags_ & SVC_ONESHOT) && !(flags_ & SVC_RESTART)) { 289bac3299720623f4226bca103b26260052732ad30Tom Cherry flags_ |= SVC_DISABLED; 290bac3299720623f4226bca103b26260052732ad30Tom Cherry } 291bac3299720623f4226bca103b26260052732ad30Tom Cherry 292bac3299720623f4226bca103b26260052732ad30Tom Cherry // Disabled and reset processes do not get restarted automatically. 293bac3299720623f4226bca103b26260052732ad30Tom Cherry if (flags_ & (SVC_DISABLED | SVC_RESET)) { 294bac3299720623f4226bca103b26260052732ad30Tom Cherry NotifyStateChange("stopped"); 295b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry return; 296bac3299720623f4226bca103b26260052732ad30Tom Cherry } 297bac3299720623f4226bca103b26260052732ad30Tom Cherry 2989605a945f7a497c0307b512b9cd762f2d23973caElliott Hughes // If we crash > 4 times in 4 minutes, reboot into recovery. 2999605a945f7a497c0307b512b9cd762f2d23973caElliott Hughes boot_clock::time_point now = boot_clock::now(); 300bac3299720623f4226bca103b26260052732ad30Tom Cherry if ((flags_ & SVC_CRITICAL) && !(flags_ & SVC_RESTART)) { 3019605a945f7a497c0307b512b9cd762f2d23973caElliott Hughes if (now < time_crashed_ + 4min) { 3029605a945f7a497c0307b512b9cd762f2d23973caElliott Hughes if (++crash_count_ > 4) { 303331cf2fb7c16b5b25064f8d2f00284105a9b413fElliott Hughes LOG(ERROR) << "critical process '" << name_ << "' exited 4 times in 4 minutes"; 304331cf2fb7c16b5b25064f8d2f00284105a9b413fElliott Hughes panic(); 305bac3299720623f4226bca103b26260052732ad30Tom Cherry } 306bac3299720623f4226bca103b26260052732ad30Tom Cherry } else { 307bac3299720623f4226bca103b26260052732ad30Tom Cherry time_crashed_ = now; 3089605a945f7a497c0307b512b9cd762f2d23973caElliott Hughes crash_count_ = 1; 309bac3299720623f4226bca103b26260052732ad30Tom Cherry } 310bac3299720623f4226bca103b26260052732ad30Tom Cherry } 311bac3299720623f4226bca103b26260052732ad30Tom Cherry 312bac3299720623f4226bca103b26260052732ad30Tom Cherry flags_ &= (~SVC_RESTART); 313bac3299720623f4226bca103b26260052732ad30Tom Cherry flags_ |= SVC_RESTARTING; 314bac3299720623f4226bca103b26260052732ad30Tom Cherry 315bac3299720623f4226bca103b26260052732ad30Tom Cherry // Execute all onrestart commands for this service. 316bac3299720623f4226bca103b26260052732ad30Tom Cherry onrestart_.ExecuteAllCommands(); 317bac3299720623f4226bca103b26260052732ad30Tom Cherry 318bac3299720623f4226bca103b26260052732ad30Tom Cherry NotifyStateChange("restarting"); 319b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry return; 320bac3299720623f4226bca103b26260052732ad30Tom Cherry} 321bac3299720623f4226bca103b26260052732ad30Tom Cherry 322bac3299720623f4226bca103b26260052732ad30Tom Cherryvoid Service::DumpState() const { 323f86b5a6b90619e02d1d034ef7b0adc3b439f4abbElliott Hughes LOG(INFO) << "service " << name_; 324641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang LOG(INFO) << " class '" << android::base::Join(classnames_, " ") << "'"; 325f86b5a6b90619e02d1d034ef7b0adc3b439f4abbElliott Hughes LOG(INFO) << " exec "<< android::base::Join(args_, " "); 32662767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn std::for_each(descriptors_.begin(), descriptors_.end(), 32762767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn [] (const auto& info) { LOG(INFO) << *info; }); 328bac3299720623f4226bca103b26260052732ad30Tom Cherry} 329bac3299720623f4226bca103b26260052732ad30Tom Cherry 33024b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obesbool Service::ParseCapabilities(const std::vector<std::string>& args, std::string* err) { 33124b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes capabilities_ = 0; 33224b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes 333f3f824ee42892fb69cb0d9b0557cd9c5aed357d2Jorge Lucangeli Obes if (!CapAmbientSupported()) { 334f3f824ee42892fb69cb0d9b0557cd9c5aed357d2Jorge Lucangeli Obes *err = "capabilities requested but the kernel does not support ambient capabilities"; 335f3f824ee42892fb69cb0d9b0557cd9c5aed357d2Jorge Lucangeli Obes return false; 336f3f824ee42892fb69cb0d9b0557cd9c5aed357d2Jorge Lucangeli Obes } 337f3f824ee42892fb69cb0d9b0557cd9c5aed357d2Jorge Lucangeli Obes 338f3f824ee42892fb69cb0d9b0557cd9c5aed357d2Jorge Lucangeli Obes unsigned int last_valid_cap = GetLastValidCap(); 339f3f824ee42892fb69cb0d9b0557cd9c5aed357d2Jorge Lucangeli Obes if (last_valid_cap >= capabilities_.size()) { 340f3f824ee42892fb69cb0d9b0557cd9c5aed357d2Jorge Lucangeli Obes LOG(WARNING) << "last valid run-time capability is larger than CAP_LAST_CAP"; 341f3f824ee42892fb69cb0d9b0557cd9c5aed357d2Jorge Lucangeli Obes } 342f3f824ee42892fb69cb0d9b0557cd9c5aed357d2Jorge Lucangeli Obes 34324b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes for (size_t i = 1; i < args.size(); i++) { 34424b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes const std::string& arg = args[i]; 345f3f824ee42892fb69cb0d9b0557cd9c5aed357d2Jorge Lucangeli Obes int res = LookupCap(arg); 346f3f824ee42892fb69cb0d9b0557cd9c5aed357d2Jorge Lucangeli Obes if (res < 0) { 34724b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes *err = StringPrintf("invalid capability '%s'", arg.c_str()); 34824b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes return false; 34924b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes } 350f3f824ee42892fb69cb0d9b0557cd9c5aed357d2Jorge Lucangeli Obes unsigned int cap = static_cast<unsigned int>(res); // |res| is >= 0. 351f3f824ee42892fb69cb0d9b0557cd9c5aed357d2Jorge Lucangeli Obes if (cap > last_valid_cap) { 352f3f824ee42892fb69cb0d9b0557cd9c5aed357d2Jorge Lucangeli Obes *err = StringPrintf("capability '%s' not supported by the kernel", arg.c_str()); 353f3f824ee42892fb69cb0d9b0557cd9c5aed357d2Jorge Lucangeli Obes return false; 354f3f824ee42892fb69cb0d9b0557cd9c5aed357d2Jorge Lucangeli Obes } 35524b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes capabilities_[cap] = true; 35624b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes } 35724b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes return true; 35824b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes} 35924b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes 360177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obesbool Service::ParseClass(const std::vector<std::string>& args, std::string* err) { 361641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang classnames_ = std::set<std::string>(args.begin() + 1, args.end()); 362b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry return true; 363b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 364bac3299720623f4226bca103b26260052732ad30Tom Cherry 365177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obesbool Service::ParseConsole(const std::vector<std::string>& args, std::string* err) { 366b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry flags_ |= SVC_CONSOLE; 36770daa67062c016eea1a30be2e1de0dcba1d23a13Viorel Suman console_ = args.size() > 1 ? "/dev/" + args[1] : ""; 368b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry return true; 369b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 370bac3299720623f4226bca103b26260052732ad30Tom Cherry 371177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obesbool Service::ParseCritical(const std::vector<std::string>& args, std::string* err) { 372b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry flags_ |= SVC_CRITICAL; 373b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry return true; 374b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 375bac3299720623f4226bca103b26260052732ad30Tom Cherry 376177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obesbool Service::ParseDisabled(const std::vector<std::string>& args, std::string* err) { 377b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry flags_ |= SVC_DISABLED; 378b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry flags_ |= SVC_RC_DISABLED; 379b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry return true; 380b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 381bac3299720623f4226bca103b26260052732ad30Tom Cherry 382177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obesbool Service::ParseGroup(const std::vector<std::string>& args, std::string* err) { 383517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry std::string decode_uid_err; 384517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry if (!DecodeUid(args[1], &gid_, &decode_uid_err)) { 385517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry *err = "Unable to find GID for '" + args[1] + "': " + decode_uid_err; 386517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry return false; 387517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry } 388b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry for (std::size_t n = 2; n < args.size(); n++) { 389517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry gid_t gid; 390517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry if (!DecodeUid(args[n], &gid, &decode_uid_err)) { 391517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry *err = "Unable to find GID for '" + args[n] + "': " + decode_uid_err; 392517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry return false; 393517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry } 394517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry supp_gids_.emplace_back(gid); 395b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry } 396b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry return true; 397b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 398bac3299720623f4226bca103b26260052732ad30Tom Cherry 399177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obesbool Service::ParsePriority(const std::vector<std::string>& args, std::string* err) { 400da46b392f10d2809b5696632f67485f272ec5698Elliott Hughes priority_ = 0; 401da46b392f10d2809b5696632f67485f272ec5698Elliott Hughes if (!ParseInt(args[1], &priority_, 402dd34ca45ea80c519a579578562e73d5e7f86703bKeun-young Park static_cast<int>(ANDROID_PRIORITY_HIGHEST), // highest is negative 403dd34ca45ea80c519a579578562e73d5e7f86703bKeun-young Park static_cast<int>(ANDROID_PRIORITY_LOWEST))) { 404081705c258efbe938d71c2022528d809fa6d42c5Vitalii Tomkiv *err = StringPrintf("process priority value must be range %d - %d", 405081705c258efbe938d71c2022528d809fa6d42c5Vitalii Tomkiv ANDROID_PRIORITY_HIGHEST, ANDROID_PRIORITY_LOWEST); 406081705c258efbe938d71c2022528d809fa6d42c5Vitalii Tomkiv return false; 407081705c258efbe938d71c2022528d809fa6d42c5Vitalii Tomkiv } 408081705c258efbe938d71c2022528d809fa6d42c5Vitalii Tomkiv return true; 409081705c258efbe938d71c2022528d809fa6d42c5Vitalii Tomkiv} 410081705c258efbe938d71c2022528d809fa6d42c5Vitalii Tomkiv 411177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obesbool Service::ParseIoprio(const std::vector<std::string>& args, std::string* err) { 412da46b392f10d2809b5696632f67485f272ec5698Elliott Hughes if (!ParseInt(args[2], &ioprio_pri_, 0, 7)) { 413b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry *err = "priority value must be range 0 - 7"; 414b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry return false; 415b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry } 416b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 417b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry if (args[1] == "rt") { 418b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry ioprio_class_ = IoSchedClass_RT; 419b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry } else if (args[1] == "be") { 420b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry ioprio_class_ = IoSchedClass_BE; 421b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry } else if (args[1] == "idle") { 422b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry ioprio_class_ = IoSchedClass_IDLE; 423b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry } else { 424b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry *err = "ioprio option usage: ioprio <rt|be|idle> <0-7>"; 425b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry return false; 426bac3299720623f4226bca103b26260052732ad30Tom Cherry } 427bac3299720623f4226bca103b26260052732ad30Tom Cherry 428b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry return true; 429b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 430bac3299720623f4226bca103b26260052732ad30Tom Cherry 431177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obesbool Service::ParseKeycodes(const std::vector<std::string>& args, std::string* err) { 432b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry for (std::size_t i = 1; i < args.size(); i++) { 433da46b392f10d2809b5696632f67485f272ec5698Elliott Hughes int code; 434da46b392f10d2809b5696632f67485f272ec5698Elliott Hughes if (ParseInt(args[i], &code)) { 435da46b392f10d2809b5696632f67485f272ec5698Elliott Hughes keycodes_.emplace_back(code); 436da46b392f10d2809b5696632f67485f272ec5698Elliott Hughes } else { 437da46b392f10d2809b5696632f67485f272ec5698Elliott Hughes LOG(WARNING) << "ignoring invalid keycode: " << args[i]; 438da46b392f10d2809b5696632f67485f272ec5698Elliott Hughes } 439bac3299720623f4226bca103b26260052732ad30Tom Cherry } 440b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry return true; 441b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 442b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 443177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obesbool Service::ParseOneshot(const std::vector<std::string>& args, std::string* err) { 444b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry flags_ |= SVC_ONESHOT; 445b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry return true; 446b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 447b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 448177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obesbool Service::ParseOnrestart(const std::vector<std::string>& args, std::string* err) { 449b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry std::vector<std::string> str_args(args.begin() + 1, args.end()); 450012c573e267b8dd70de14237cb470bd7301ee8eaTom Cherry int line = onrestart_.NumCommands() + 1; 451012c573e267b8dd70de14237cb470bd7301ee8eaTom Cherry onrestart_.AddCommand(str_args, line, err); 452b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry return true; 453b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 454bac3299720623f4226bca103b26260052732ad30Tom Cherry 455177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obesbool Service::ParseNamespace(const std::vector<std::string>& args, std::string* err) { 4561b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes for (size_t i = 1; i < args.size(); i++) { 4571b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes if (args[i] == "pid") { 4581b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes namespace_flags_ |= CLONE_NEWPID; 4591b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes // PID namespaces require mount namespaces. 4601b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes namespace_flags_ |= CLONE_NEWNS; 4611b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes } else if (args[i] == "mnt") { 4621b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes namespace_flags_ |= CLONE_NEWNS; 4631b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes } else { 4641b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes *err = "namespace must be 'pid' or 'mnt'"; 4651b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes return false; 4661b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes } 4671b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes } 4681b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes return true; 4691b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes} 4701b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes 471310f6704d0dfe9ca4cfb153ce8e4212cc7596190Marco Nelissenbool Service::ParseOomScoreAdjust(const std::vector<std::string>& args, std::string* err) { 472da46b392f10d2809b5696632f67485f272ec5698Elliott Hughes if (!ParseInt(args[1], &oom_score_adjust_, -1000, 1000)) { 473310f6704d0dfe9ca4cfb153ce8e4212cc7596190Marco Nelissen *err = "oom_score_adjust value must be in range -1000 - +1000"; 474310f6704d0dfe9ca4cfb153ce8e4212cc7596190Marco Nelissen return false; 475310f6704d0dfe9ca4cfb153ce8e4212cc7596190Marco Nelissen } 476310f6704d0dfe9ca4cfb153ce8e4212cc7596190Marco Nelissen return true; 477310f6704d0dfe9ca4cfb153ce8e4212cc7596190Marco Nelissen} 478310f6704d0dfe9ca4cfb153ce8e4212cc7596190Marco Nelissen 479177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obesbool Service::ParseSeclabel(const std::vector<std::string>& args, std::string* err) { 480b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry seclabel_ = args[1]; 481b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry return true; 482b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 483b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 484177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obesbool Service::ParseSetenv(const std::vector<std::string>& args, std::string* err) { 485b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry envvars_.emplace_back(args[1], args[2]); 486b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry return true; 487b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 488b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 48962767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyntemplate <typename T> 49062767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzynbool Service::AddDescriptor(const std::vector<std::string>& args, std::string* err) { 49162767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn int perm = args.size() > 3 ? std::strtoul(args[3].c_str(), 0, 8) : -1; 492517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry uid_t uid = 0; 493517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry gid_t gid = 0; 49462767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn std::string context = args.size() > 6 ? args[6] : ""; 49562767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn 496517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry std::string decode_uid_err; 497517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry if (args.size() > 4) { 498517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry if (!DecodeUid(args[4], &uid, &decode_uid_err)) { 499517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry *err = "Unable to find UID for '" + args[4] + "': " + decode_uid_err; 500517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry return false; 501517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry } 502517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry } 503517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry 504517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry if (args.size() > 5) { 505517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry if (!DecodeUid(args[5], &gid, &decode_uid_err)) { 506517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry *err = "Unable to find GID for '" + args[5] + "': " + decode_uid_err; 507517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry return false; 508517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry } 509517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry } 510517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry 51162767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn auto descriptor = std::make_unique<T>(args[1], args[2], uid, gid, perm, context); 51262767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn 51362767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn auto old = 51462767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn std::find_if(descriptors_.begin(), descriptors_.end(), 51562767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn [&descriptor] (const auto& other) { return descriptor.get() == other.get(); }); 51662767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn 51762767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn if (old != descriptors_.end()) { 51862767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn *err = "duplicate descriptor " + args[1] + " " + args[2]; 51962767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn return false; 52062767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn } 52162767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn 52262767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn descriptors_.emplace_back(std::move(descriptor)); 52362767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn return true; 52462767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn} 52562767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn 52662767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn// name type perm [ uid gid context ] 527177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obesbool Service::ParseSocket(const std::vector<std::string>& args, std::string* err) { 528b066fccc5c977f3e464676d58a7fa550d368f426Mark Salyzyn if (!android::base::StartsWith(args[2], "dgram") && 529b066fccc5c977f3e464676d58a7fa550d368f426Mark Salyzyn !android::base::StartsWith(args[2], "stream") && 530b066fccc5c977f3e464676d58a7fa550d368f426Mark Salyzyn !android::base::StartsWith(args[2], "seqpacket")) { 531b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry *err = "socket type must be 'dgram', 'stream' or 'seqpacket'"; 532bac3299720623f4226bca103b26260052732ad30Tom Cherry return false; 533bac3299720623f4226bca103b26260052732ad30Tom Cherry } 53462767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn return AddDescriptor<SocketInfo>(args, err); 53562767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn} 536b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 53762767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn// name type perm [ uid gid context ] 53862767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzynbool Service::ParseFile(const std::vector<std::string>& args, std::string* err) { 53962767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn if (args[2] != "r" && args[2] != "w" && args[2] != "rw") { 54062767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn *err = "file type must be 'r', 'w' or 'rw'"; 54162767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn return false; 54262767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn } 54362767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn if ((args[1][0] != '/') || (args[1].find("../") != std::string::npos)) { 54462767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn *err = "file name must not be relative"; 54562767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn return false; 54662767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn } 54762767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn return AddDescriptor<FileInfo>(args, err); 548bac3299720623f4226bca103b26260052732ad30Tom Cherry} 549bac3299720623f4226bca103b26260052732ad30Tom Cherry 550177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obesbool Service::ParseUser(const std::vector<std::string>& args, std::string* err) { 551517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry std::string decode_uid_err; 552517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry if (!DecodeUid(args[1], &uid_, &decode_uid_err)) { 553517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry *err = "Unable to find UID for '" + args[1] + "': " + decode_uid_err; 554517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry return false; 555517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry } 556b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry return true; 557b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 558b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 559177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obesbool Service::ParseWritepid(const std::vector<std::string>& args, std::string* err) { 560b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry writepid_files_.assign(args.begin() + 1, args.end()); 561b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry return true; 562b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 563b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 564177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obesclass Service::OptionParserMap : public KeywordMap<OptionParser> { 565ad54d094cde838d19034b8325705b22dca0e9af0Tom Cherry public: 566ad54d094cde838d19034b8325705b22dca0e9af0Tom Cherry OptionParserMap() {} 567ad54d094cde838d19034b8325705b22dca0e9af0Tom Cherry 568ad54d094cde838d19034b8325705b22dca0e9af0Tom Cherry private: 569ad54d094cde838d19034b8325705b22dca0e9af0Tom Cherry const Map& map() const override; 570b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry}; 571b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 572ad54d094cde838d19034b8325705b22dca0e9af0Tom Cherryconst Service::OptionParserMap::Map& Service::OptionParserMap::map() const { 573b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry constexpr std::size_t kMax = std::numeric_limits<std::size_t>::max(); 574641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang // clang-format off 575177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes static const Map option_parsers = { 57624b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes {"capabilities", 57724b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes {1, kMax, &Service::ParseCapabilities}}, 578641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang {"class", {1, kMax, &Service::ParseClass}}, 579177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes {"console", {0, 1, &Service::ParseConsole}}, 580177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes {"critical", {0, 0, &Service::ParseCritical}}, 581177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes {"disabled", {0, 0, &Service::ParseDisabled}}, 582177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes {"group", {1, NR_SVC_SUPP_GIDS + 1, &Service::ParseGroup}}, 583177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes {"ioprio", {2, 2, &Service::ParseIoprio}}, 584177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes {"priority", {1, 1, &Service::ParsePriority}}, 585177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes {"keycodes", {1, kMax, &Service::ParseKeycodes}}, 586177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes {"oneshot", {0, 0, &Service::ParseOneshot}}, 587177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes {"onrestart", {1, kMax, &Service::ParseOnrestart}}, 588310f6704d0dfe9ca4cfb153ce8e4212cc7596190Marco Nelissen {"oom_score_adjust", 589310f6704d0dfe9ca4cfb153ce8e4212cc7596190Marco Nelissen {1, 1, &Service::ParseOomScoreAdjust}}, 590177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes {"namespace", {1, 2, &Service::ParseNamespace}}, 591177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes {"seclabel", {1, 1, &Service::ParseSeclabel}}, 592177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes {"setenv", {2, 2, &Service::ParseSetenv}}, 593177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes {"socket", {3, 6, &Service::ParseSocket}}, 594978fd0ea254f11f84e38b41a74bbe70c81edc197Mark Salyzyn {"file", {2, 2, &Service::ParseFile}}, 595177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes {"user", {1, 1, &Service::ParseUser}}, 596177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes {"writepid", {1, kMax, &Service::ParseWritepid}}, 597b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry }; 598641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang // clang-format on 599177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes return option_parsers; 600b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 601b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 602177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obesbool Service::ParseLine(const std::vector<std::string>& args, std::string* err) { 603177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes static const OptionParserMap parser_map; 604fe062055cb11fcb1a6178b046173fc0361ad5b96Tom Cherry auto parser = parser_map.FindFunction(args, err); 605b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 606177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes if (!parser) { 607b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry return false; 608b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry } 609b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 610177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes return (this->*parser)(args, err); 611b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 612b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 613b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherrybool Service::ExecStart(std::unique_ptr<Timer>* exec_waiter) { 614b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry flags_ |= SVC_EXEC | SVC_ONESHOT; 615b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry 616b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry exec_waiter->reset(new Timer); 617b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry 618b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry if (!Start()) { 619b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry exec_waiter->reset(); 620b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry return false; 621b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry } 622b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry return true; 623b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry} 624b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry 625bdeac39a42c1b9c7195ada1c30fe12f94314490fElliott Hughesbool Service::Start() { 626bac3299720623f4226bca103b26260052732ad30Tom Cherry // Starting a service removes it from the disabled or reset state and 627bac3299720623f4226bca103b26260052732ad30Tom Cherry // immediately takes it out of the restarting state if it was in there. 628bac3299720623f4226bca103b26260052732ad30Tom Cherry flags_ &= (~(SVC_DISABLED|SVC_RESTARTING|SVC_RESET|SVC_RESTART|SVC_DISABLED_START)); 629bac3299720623f4226bca103b26260052732ad30Tom Cherry 630bac3299720623f4226bca103b26260052732ad30Tom Cherry // Running processes require no additional work --- if they're in the 631bac3299720623f4226bca103b26260052732ad30Tom Cherry // process of exiting, we've ensured that they will immediately restart 632bac3299720623f4226bca103b26260052732ad30Tom Cherry // on exit, unless they are ONESHOT. 633bac3299720623f4226bca103b26260052732ad30Tom Cherry if (flags_ & SVC_RUNNING) { 634bac3299720623f4226bca103b26260052732ad30Tom Cherry return false; 635bac3299720623f4226bca103b26260052732ad30Tom Cherry } 636bac3299720623f4226bca103b26260052732ad30Tom Cherry 637bac3299720623f4226bca103b26260052732ad30Tom Cherry bool needs_console = (flags_ & SVC_CONSOLE); 63870daa67062c016eea1a30be2e1de0dcba1d23a13Viorel Suman if (needs_console) { 63970daa67062c016eea1a30be2e1de0dcba1d23a13Viorel Suman if (console_.empty()) { 64070daa67062c016eea1a30be2e1de0dcba1d23a13Viorel Suman console_ = default_console; 64170daa67062c016eea1a30be2e1de0dcba1d23a13Viorel Suman } 64270daa67062c016eea1a30be2e1de0dcba1d23a13Viorel Suman 64324ef8601c203a28b85a5e9168e5bada713e6a8f1Adrian Salido // Make sure that open call succeeds to ensure a console driver is 64424ef8601c203a28b85a5e9168e5bada713e6a8f1Adrian Salido // properly registered for the device node 64524ef8601c203a28b85a5e9168e5bada713e6a8f1Adrian Salido int console_fd = open(console_.c_str(), O_RDWR | O_CLOEXEC); 64624ef8601c203a28b85a5e9168e5bada713e6a8f1Adrian Salido if (console_fd < 0) { 64724ef8601c203a28b85a5e9168e5bada713e6a8f1Adrian Salido PLOG(ERROR) << "service '" << name_ << "' couldn't open console '" << console_ << "'"; 64870daa67062c016eea1a30be2e1de0dcba1d23a13Viorel Suman flags_ |= SVC_DISABLED; 64970daa67062c016eea1a30be2e1de0dcba1d23a13Viorel Suman return false; 65070daa67062c016eea1a30be2e1de0dcba1d23a13Viorel Suman } 65124ef8601c203a28b85a5e9168e5bada713e6a8f1Adrian Salido close(console_fd); 652bac3299720623f4226bca103b26260052732ad30Tom Cherry } 653bac3299720623f4226bca103b26260052732ad30Tom Cherry 654bac3299720623f4226bca103b26260052732ad30Tom Cherry struct stat sb; 655bac3299720623f4226bca103b26260052732ad30Tom Cherry if (stat(args_[0].c_str(), &sb) == -1) { 656f86b5a6b90619e02d1d034ef7b0adc3b439f4abbElliott Hughes PLOG(ERROR) << "cannot find '" << args_[0] << "', disabling '" << name_ << "'"; 657bac3299720623f4226bca103b26260052732ad30Tom Cherry flags_ |= SVC_DISABLED; 658bac3299720623f4226bca103b26260052732ad30Tom Cherry return false; 659bac3299720623f4226bca103b26260052732ad30Tom Cherry } 660bac3299720623f4226bca103b26260052732ad30Tom Cherry 661bac3299720623f4226bca103b26260052732ad30Tom Cherry std::string scon; 662bac3299720623f4226bca103b26260052732ad30Tom Cherry if (!seclabel_.empty()) { 663bac3299720623f4226bca103b26260052732ad30Tom Cherry scon = seclabel_; 664bac3299720623f4226bca103b26260052732ad30Tom Cherry } else { 665344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes scon = ComputeContextFromExecutable(name_, args_[0]); 666344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes if (scon == "") { 667bac3299720623f4226bca103b26260052732ad30Tom Cherry return false; 668bac3299720623f4226bca103b26260052732ad30Tom Cherry } 669bac3299720623f4226bca103b26260052732ad30Tom Cherry } 670bac3299720623f4226bca103b26260052732ad30Tom Cherry 671a285dac9c0b95a0351dfa98dde60c74a1445dc57Wei Wang LOG(INFO) << "starting service '" << name_ << "'..."; 672bac3299720623f4226bca103b26260052732ad30Tom Cherry 6731b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes pid_t pid = -1; 6741b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes if (namespace_flags_) { 675344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes pid = clone(nullptr, nullptr, namespace_flags_ | SIGCHLD, nullptr); 6761b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes } else { 6771b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes pid = fork(); 6781b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes } 6791b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes 680bac3299720623f4226bca103b26260052732ad30Tom Cherry if (pid == 0) { 681bac3299720623f4226bca103b26260052732ad30Tom Cherry umask(077); 682bac3299720623f4226bca103b26260052732ad30Tom Cherry 6831b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes if (namespace_flags_ & CLONE_NEWPID) { 6841b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes // This will fork again to run an init process inside the PID 6851b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes // namespace. 6861b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes SetUpPidNamespace(name_); 6871b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes } 6881b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes 689bac3299720623f4226bca103b26260052732ad30Tom Cherry for (const auto& ei : envvars_) { 690bac3299720623f4226bca103b26260052732ad30Tom Cherry add_environment(ei.name.c_str(), ei.value.c_str()); 691bac3299720623f4226bca103b26260052732ad30Tom Cherry } 692bac3299720623f4226bca103b26260052732ad30Tom Cherry 69362767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn std::for_each(descriptors_.begin(), descriptors_.end(), 69462767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn std::bind(&DescriptorInfo::CreateAndPublish, std::placeholders::_1, scon)); 695bac3299720623f4226bca103b26260052732ad30Tom Cherry 6960828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko // See if there were "writepid" instructions to write to files under /dev/cpuset/. 6970828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko auto cpuset_predicate = [](const std::string& path) { 6980828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko return android::base::StartsWith(path, "/dev/cpuset/"); 6990828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko }; 7000828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko auto iter = std::find_if(writepid_files_.begin(), writepid_files_.end(), cpuset_predicate); 7010828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko if (iter == writepid_files_.end()) { 7020828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko // There were no "writepid" instructions for cpusets, check if the system default 7030828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko // cpuset is specified to be used for the process. 704ccf23537eeacfa47e5f18dd3b75089886d177c1bTom Cherry std::string default_cpuset = android::base::GetProperty("ro.cpuset.default", ""); 7050828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko if (!default_cpuset.empty()) { 7060828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko // Make sure the cpuset name starts and ends with '/'. 7070828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko // A single '/' means the 'root' cpuset. 7080828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko if (default_cpuset.front() != '/') { 7090828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko default_cpuset.insert(0, 1, '/'); 7100828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko } 7110828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko if (default_cpuset.back() != '/') { 7120828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko default_cpuset.push_back('/'); 7130828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko } 7140828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko writepid_files_.push_back( 7150828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko StringPrintf("/dev/cpuset%stasks", default_cpuset.c_str())); 7160828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko } 7170828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko } 7181c3a53f03ca3c2c647f83cd8b8ae7e18c5c7bc69Tom Cherry std::string pid_str = std::to_string(getpid()); 719bac3299720623f4226bca103b26260052732ad30Tom Cherry for (const auto& file : writepid_files_) { 720b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry if (!WriteStringToFile(pid_str, file)) { 721f86b5a6b90619e02d1d034ef7b0adc3b439f4abbElliott Hughes PLOG(ERROR) << "couldn't write " << pid_str << " to " << file; 722bac3299720623f4226bca103b26260052732ad30Tom Cherry } 723bac3299720623f4226bca103b26260052732ad30Tom Cherry } 724bac3299720623f4226bca103b26260052732ad30Tom Cherry 725bac3299720623f4226bca103b26260052732ad30Tom Cherry if (ioprio_class_ != IoSchedClass_NONE) { 726bac3299720623f4226bca103b26260052732ad30Tom Cherry if (android_set_ioprio(getpid(), ioprio_class_, ioprio_pri_)) { 727344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes PLOG(ERROR) << "failed to set pid " << getpid() 728f86b5a6b90619e02d1d034ef7b0adc3b439f4abbElliott Hughes << " ioprio=" << ioprio_class_ << "," << ioprio_pri_; 729bac3299720623f4226bca103b26260052732ad30Tom Cherry } 730bac3299720623f4226bca103b26260052732ad30Tom Cherry } 731bac3299720623f4226bca103b26260052732ad30Tom Cherry 732bac3299720623f4226bca103b26260052732ad30Tom Cherry if (needs_console) { 733bac3299720623f4226bca103b26260052732ad30Tom Cherry setsid(); 734bac3299720623f4226bca103b26260052732ad30Tom Cherry OpenConsole(); 735bac3299720623f4226bca103b26260052732ad30Tom Cherry } else { 736bac3299720623f4226bca103b26260052732ad30Tom Cherry ZapStdio(); 737bac3299720623f4226bca103b26260052732ad30Tom Cherry } 738bac3299720623f4226bca103b26260052732ad30Tom Cherry 739344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes // As requested, set our gid, supplemental gids, uid, context, and 740344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes // priority. Aborts on failure. 741344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes SetProcessAttributes(); 742bac3299720623f4226bca103b26260052732ad30Tom Cherry 743bac3299720623f4226bca103b26260052732ad30Tom Cherry std::vector<char*> strs; 744344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes ExpandArgs(args_, &strs); 745bac3536cc949b3af0185e7b8f9b18318b37ac8b0Tom Cherry if (execve(strs[0], (char**) &strs[0], (char**) ENV) < 0) { 746f86b5a6b90619e02d1d034ef7b0adc3b439f4abbElliott Hughes PLOG(ERROR) << "cannot execve('" << strs[0] << "')"; 747bac3299720623f4226bca103b26260052732ad30Tom Cherry } 748bac3299720623f4226bca103b26260052732ad30Tom Cherry 749bac3299720623f4226bca103b26260052732ad30Tom Cherry _exit(127); 750bac3299720623f4226bca103b26260052732ad30Tom Cherry } 751bac3299720623f4226bca103b26260052732ad30Tom Cherry 752bac3299720623f4226bca103b26260052732ad30Tom Cherry if (pid < 0) { 753f86b5a6b90619e02d1d034ef7b0adc3b439f4abbElliott Hughes PLOG(ERROR) << "failed to fork for '" << name_ << "'"; 754bac3299720623f4226bca103b26260052732ad30Tom Cherry pid_ = 0; 755bac3299720623f4226bca103b26260052732ad30Tom Cherry return false; 756bac3299720623f4226bca103b26260052732ad30Tom Cherry } 757bac3299720623f4226bca103b26260052732ad30Tom Cherry 758310f6704d0dfe9ca4cfb153ce8e4212cc7596190Marco Nelissen if (oom_score_adjust_ != -1000) { 7591c3a53f03ca3c2c647f83cd8b8ae7e18c5c7bc69Tom Cherry std::string oom_str = std::to_string(oom_score_adjust_); 760310f6704d0dfe9ca4cfb153ce8e4212cc7596190Marco Nelissen std::string oom_file = StringPrintf("/proc/%d/oom_score_adj", pid); 761310f6704d0dfe9ca4cfb153ce8e4212cc7596190Marco Nelissen if (!WriteStringToFile(oom_str, oom_file)) { 762310f6704d0dfe9ca4cfb153ce8e4212cc7596190Marco Nelissen PLOG(ERROR) << "couldn't write oom_score_adj: " << strerror(errno); 763310f6704d0dfe9ca4cfb153ce8e4212cc7596190Marco Nelissen } 764310f6704d0dfe9ca4cfb153ce8e4212cc7596190Marco Nelissen } 765310f6704d0dfe9ca4cfb153ce8e4212cc7596190Marco Nelissen 7669605a945f7a497c0307b512b9cd762f2d23973caElliott Hughes time_started_ = boot_clock::now(); 767bac3299720623f4226bca103b26260052732ad30Tom Cherry pid_ = pid; 768bac3299720623f4226bca103b26260052732ad30Tom Cherry flags_ |= SVC_RUNNING; 76933838b1156cd1a5f8eec94756bee9e030a3dd2ebTom Cherry process_cgroup_empty_ = false; 770ad8e94e017173471e90c704eb7d8de5a14712aa7Elliott Hughes 771ad8e94e017173471e90c704eb7d8de5a14712aa7Elliott Hughes errno = -createProcessGroup(uid_, pid_); 772ad8e94e017173471e90c704eb7d8de5a14712aa7Elliott Hughes if (errno != 0) { 773344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes PLOG(ERROR) << "createProcessGroup(" << uid_ << ", " << pid_ << ") failed for service '" 774344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes << name_ << "'"; 775ad8e94e017173471e90c704eb7d8de5a14712aa7Elliott Hughes } 776bac3299720623f4226bca103b26260052732ad30Tom Cherry 777bac3299720623f4226bca103b26260052732ad30Tom Cherry if ((flags_ & SVC_EXEC) != 0) { 7781c3a53f03ca3c2c647f83cd8b8ae7e18c5c7bc69Tom Cherry LOG(INFO) << "SVC_EXEC pid " << pid_ << " (uid " << uid_ << " gid " << gid_ << "+" 7791c3a53f03ca3c2c647f83cd8b8ae7e18c5c7bc69Tom Cherry << supp_gids_.size() << " context " 7801c3a53f03ca3c2c647f83cd8b8ae7e18c5c7bc69Tom Cherry << (!seclabel_.empty() ? seclabel_ : "default") << ") started; waiting..."; 781bac3299720623f4226bca103b26260052732ad30Tom Cherry } 782bac3299720623f4226bca103b26260052732ad30Tom Cherry 783bac3299720623f4226bca103b26260052732ad30Tom Cherry NotifyStateChange("running"); 784bac3299720623f4226bca103b26260052732ad30Tom Cherry return true; 785bac3299720623f4226bca103b26260052732ad30Tom Cherry} 786bac3299720623f4226bca103b26260052732ad30Tom Cherry 787bac3299720623f4226bca103b26260052732ad30Tom Cherrybool Service::StartIfNotDisabled() { 788bac3299720623f4226bca103b26260052732ad30Tom Cherry if (!(flags_ & SVC_DISABLED)) { 789bac3299720623f4226bca103b26260052732ad30Tom Cherry return Start(); 790bac3299720623f4226bca103b26260052732ad30Tom Cherry } else { 791bac3299720623f4226bca103b26260052732ad30Tom Cherry flags_ |= SVC_DISABLED_START; 792bac3299720623f4226bca103b26260052732ad30Tom Cherry } 793bac3299720623f4226bca103b26260052732ad30Tom Cherry return true; 794bac3299720623f4226bca103b26260052732ad30Tom Cherry} 795bac3299720623f4226bca103b26260052732ad30Tom Cherry 796bac3299720623f4226bca103b26260052732ad30Tom Cherrybool Service::Enable() { 797bac3299720623f4226bca103b26260052732ad30Tom Cherry flags_ &= ~(SVC_DISABLED | SVC_RC_DISABLED); 798bac3299720623f4226bca103b26260052732ad30Tom Cherry if (flags_ & SVC_DISABLED_START) { 799bac3299720623f4226bca103b26260052732ad30Tom Cherry return Start(); 800bac3299720623f4226bca103b26260052732ad30Tom Cherry } 801bac3299720623f4226bca103b26260052732ad30Tom Cherry return true; 802bac3299720623f4226bca103b26260052732ad30Tom Cherry} 803bac3299720623f4226bca103b26260052732ad30Tom Cherry 804bac3299720623f4226bca103b26260052732ad30Tom Cherryvoid Service::Reset() { 805bac3299720623f4226bca103b26260052732ad30Tom Cherry StopOrReset(SVC_RESET); 806bac3299720623f4226bca103b26260052732ad30Tom Cherry} 807bac3299720623f4226bca103b26260052732ad30Tom Cherry 808bac3299720623f4226bca103b26260052732ad30Tom Cherryvoid Service::Stop() { 809bac3299720623f4226bca103b26260052732ad30Tom Cherry StopOrReset(SVC_DISABLED); 810bac3299720623f4226bca103b26260052732ad30Tom Cherry} 811bac3299720623f4226bca103b26260052732ad30Tom Cherry 812b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNETvoid Service::Terminate() { 813b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET flags_ &= ~(SVC_RESTARTING | SVC_DISABLED_START); 814b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET flags_ |= SVC_DISABLED; 815b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET if (pid_) { 816ad8e94e017173471e90c704eb7d8de5a14712aa7Elliott Hughes KillProcessGroup(SIGTERM); 817b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET NotifyStateChange("stopping"); 818b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET } 819b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET} 820b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET 821bac3299720623f4226bca103b26260052732ad30Tom Cherryvoid Service::Restart() { 822bac3299720623f4226bca103b26260052732ad30Tom Cherry if (flags_ & SVC_RUNNING) { 823bac3299720623f4226bca103b26260052732ad30Tom Cherry /* Stop, wait, then start the service. */ 824bac3299720623f4226bca103b26260052732ad30Tom Cherry StopOrReset(SVC_RESTART); 825bac3299720623f4226bca103b26260052732ad30Tom Cherry } else if (!(flags_ & SVC_RESTARTING)) { 826bac3299720623f4226bca103b26260052732ad30Tom Cherry /* Just start the service since it's not running. */ 827bac3299720623f4226bca103b26260052732ad30Tom Cherry Start(); 828bac3299720623f4226bca103b26260052732ad30Tom Cherry } /* else: Service is restarting anyways. */ 829bac3299720623f4226bca103b26260052732ad30Tom Cherry} 830bac3299720623f4226bca103b26260052732ad30Tom Cherry 8319605a945f7a497c0307b512b9cd762f2d23973caElliott Hughesvoid Service::RestartIfNeeded(time_t* process_needs_restart_at) { 8329605a945f7a497c0307b512b9cd762f2d23973caElliott Hughes boot_clock::time_point now = boot_clock::now(); 8339605a945f7a497c0307b512b9cd762f2d23973caElliott Hughes boot_clock::time_point next_start = time_started_ + 5s; 8349605a945f7a497c0307b512b9cd762f2d23973caElliott Hughes if (now > next_start) { 835bac3299720623f4226bca103b26260052732ad30Tom Cherry flags_ &= (~SVC_RESTARTING); 836bac3299720623f4226bca103b26260052732ad30Tom Cherry Start(); 837bac3299720623f4226bca103b26260052732ad30Tom Cherry return; 838bac3299720623f4226bca103b26260052732ad30Tom Cherry } 839bac3299720623f4226bca103b26260052732ad30Tom Cherry 8409605a945f7a497c0307b512b9cd762f2d23973caElliott Hughes time_t next_start_time_t = time(nullptr) + 8419605a945f7a497c0307b512b9cd762f2d23973caElliott Hughes time_t(std::chrono::duration_cast<std::chrono::seconds>(next_start - now).count()); 8429605a945f7a497c0307b512b9cd762f2d23973caElliott Hughes if (next_start_time_t < *process_needs_restart_at || *process_needs_restart_at == 0) { 8439605a945f7a497c0307b512b9cd762f2d23973caElliott Hughes *process_needs_restart_at = next_start_time_t; 844bac3299720623f4226bca103b26260052732ad30Tom Cherry } 845bac3299720623f4226bca103b26260052732ad30Tom Cherry} 846bac3299720623f4226bca103b26260052732ad30Tom Cherry 847ad8e94e017173471e90c704eb7d8de5a14712aa7Elliott Hughes// The how field should be either SVC_DISABLED, SVC_RESET, or SVC_RESTART. 848bac3299720623f4226bca103b26260052732ad30Tom Cherryvoid Service::StopOrReset(int how) { 849ad8e94e017173471e90c704eb7d8de5a14712aa7Elliott Hughes // The service is still SVC_RUNNING until its process exits, but if it has 850ad8e94e017173471e90c704eb7d8de5a14712aa7Elliott Hughes // already exited it shoudn't attempt a restart yet. 851bac3299720623f4226bca103b26260052732ad30Tom Cherry flags_ &= ~(SVC_RESTARTING | SVC_DISABLED_START); 852bac3299720623f4226bca103b26260052732ad30Tom Cherry 853bac3299720623f4226bca103b26260052732ad30Tom Cherry if ((how != SVC_DISABLED) && (how != SVC_RESET) && (how != SVC_RESTART)) { 854ad8e94e017173471e90c704eb7d8de5a14712aa7Elliott Hughes // An illegal flag: default to SVC_DISABLED. 855bac3299720623f4226bca103b26260052732ad30Tom Cherry how = SVC_DISABLED; 856bac3299720623f4226bca103b26260052732ad30Tom Cherry } 857ad8e94e017173471e90c704eb7d8de5a14712aa7Elliott Hughes 858ad8e94e017173471e90c704eb7d8de5a14712aa7Elliott Hughes // If the service has not yet started, prevent it from auto-starting with its class. 859bac3299720623f4226bca103b26260052732ad30Tom Cherry if (how == SVC_RESET) { 860bac3299720623f4226bca103b26260052732ad30Tom Cherry flags_ |= (flags_ & SVC_RC_DISABLED) ? SVC_DISABLED : SVC_RESET; 861bac3299720623f4226bca103b26260052732ad30Tom Cherry } else { 862bac3299720623f4226bca103b26260052732ad30Tom Cherry flags_ |= how; 863bac3299720623f4226bca103b26260052732ad30Tom Cherry } 864bac3299720623f4226bca103b26260052732ad30Tom Cherry 865bac3299720623f4226bca103b26260052732ad30Tom Cherry if (pid_) { 866ad8e94e017173471e90c704eb7d8de5a14712aa7Elliott Hughes KillProcessGroup(SIGKILL); 867bac3299720623f4226bca103b26260052732ad30Tom Cherry NotifyStateChange("stopping"); 868bac3299720623f4226bca103b26260052732ad30Tom Cherry } else { 869bac3299720623f4226bca103b26260052732ad30Tom Cherry NotifyStateChange("stopped"); 870bac3299720623f4226bca103b26260052732ad30Tom Cherry } 871bac3299720623f4226bca103b26260052732ad30Tom Cherry} 872bac3299720623f4226bca103b26260052732ad30Tom Cherry 873bac3299720623f4226bca103b26260052732ad30Tom Cherryvoid Service::ZapStdio() const { 874bac3299720623f4226bca103b26260052732ad30Tom Cherry int fd; 875bac3299720623f4226bca103b26260052732ad30Tom Cherry fd = open("/dev/null", O_RDWR); 876bac3299720623f4226bca103b26260052732ad30Tom Cherry dup2(fd, 0); 877bac3299720623f4226bca103b26260052732ad30Tom Cherry dup2(fd, 1); 878bac3299720623f4226bca103b26260052732ad30Tom Cherry dup2(fd, 2); 879bac3299720623f4226bca103b26260052732ad30Tom Cherry close(fd); 880bac3299720623f4226bca103b26260052732ad30Tom Cherry} 881bac3299720623f4226bca103b26260052732ad30Tom Cherry 882bac3299720623f4226bca103b26260052732ad30Tom Cherryvoid Service::OpenConsole() const { 88370daa67062c016eea1a30be2e1de0dcba1d23a13Viorel Suman int fd = open(console_.c_str(), O_RDWR); 88470daa67062c016eea1a30be2e1de0dcba1d23a13Viorel Suman if (fd == -1) fd = open("/dev/null", O_RDWR); 885bac3299720623f4226bca103b26260052732ad30Tom Cherry ioctl(fd, TIOCSCTTY, 0); 886bac3299720623f4226bca103b26260052732ad30Tom Cherry dup2(fd, 0); 887bac3299720623f4226bca103b26260052732ad30Tom Cherry dup2(fd, 1); 888bac3299720623f4226bca103b26260052732ad30Tom Cherry dup2(fd, 2); 889bac3299720623f4226bca103b26260052732ad30Tom Cherry close(fd); 890bac3299720623f4226bca103b26260052732ad30Tom Cherry} 891bac3299720623f4226bca103b26260052732ad30Tom Cherry 892bac3299720623f4226bca103b26260052732ad30Tom Cherryint ServiceManager::exec_count_ = 0; 893bac3299720623f4226bca103b26260052732ad30Tom Cherry 894bac3299720623f4226bca103b26260052732ad30Tom CherryServiceManager::ServiceManager() { 895bac3299720623f4226bca103b26260052732ad30Tom Cherry} 896bac3299720623f4226bca103b26260052732ad30Tom Cherry 897bac3299720623f4226bca103b26260052732ad30Tom CherryServiceManager& ServiceManager::GetInstance() { 898bac3299720623f4226bca103b26260052732ad30Tom Cherry static ServiceManager instance; 899bac3299720623f4226bca103b26260052732ad30Tom Cherry return instance; 900bac3299720623f4226bca103b26260052732ad30Tom Cherry} 901bac3299720623f4226bca103b26260052732ad30Tom Cherry 902b7349902a945903f9e36a569051f5131beb0bc24Tom Cherryvoid ServiceManager::AddService(std::unique_ptr<Service> service) { 903b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry services_.emplace_back(std::move(service)); 904bac3299720623f4226bca103b26260052732ad30Tom Cherry} 905bac3299720623f4226bca103b26260052732ad30Tom Cherry 906b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherrybool ServiceManager::Exec(const std::vector<std::string>& args) { 907b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry Service* svc = MakeExecOneshotService(args); 908b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry if (!svc) { 909b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry LOG(ERROR) << "Could not create exec service"; 910b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry return false; 911b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry } 912b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry if (!svc->ExecStart(&exec_waiter_)) { 913b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry LOG(ERROR) << "Could not start exec service"; 914b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry ServiceManager::GetInstance().RemoveService(*svc); 915b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry return false; 916b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry } 917b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry return true; 918b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry} 919b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry 920b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherrybool ServiceManager::ExecStart(const std::string& name) { 921b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry Service* svc = FindServiceByName(name); 922b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry if (!svc) { 923b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry LOG(ERROR) << "ExecStart(" << name << "): Service not found"; 924b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry return false; 925b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry } 926b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry if (!svc->ExecStart(&exec_waiter_)) { 927b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry LOG(ERROR) << "ExecStart(" << name << "): Could not start Service"; 928b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry return false; 929b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry } 930b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry return true; 931b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry} 932b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry 933b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherrybool ServiceManager::IsWaitingForExec() const { return exec_waiter_ != nullptr; } 934b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry 935bac3299720623f4226bca103b26260052732ad30Tom CherryService* ServiceManager::MakeExecOneshotService(const std::vector<std::string>& args) { 936bac3299720623f4226bca103b26260052732ad30Tom Cherry // Parse the arguments: exec [SECLABEL [UID [GID]*] --] COMMAND ARGS... 937bac3299720623f4226bca103b26260052732ad30Tom Cherry // SECLABEL can be a - to denote default 938bac3299720623f4226bca103b26260052732ad30Tom Cherry std::size_t command_arg = 1; 939bac3299720623f4226bca103b26260052732ad30Tom Cherry for (std::size_t i = 1; i < args.size(); ++i) { 940bac3299720623f4226bca103b26260052732ad30Tom Cherry if (args[i] == "--") { 941bac3299720623f4226bca103b26260052732ad30Tom Cherry command_arg = i + 1; 942bac3299720623f4226bca103b26260052732ad30Tom Cherry break; 943bac3299720623f4226bca103b26260052732ad30Tom Cherry } 944bac3299720623f4226bca103b26260052732ad30Tom Cherry } 945bac3299720623f4226bca103b26260052732ad30Tom Cherry if (command_arg > 4 + NR_SVC_SUPP_GIDS) { 946f86b5a6b90619e02d1d034ef7b0adc3b439f4abbElliott Hughes LOG(ERROR) << "exec called with too many supplementary group ids"; 947bac3299720623f4226bca103b26260052732ad30Tom Cherry return nullptr; 948bac3299720623f4226bca103b26260052732ad30Tom Cherry } 949bac3299720623f4226bca103b26260052732ad30Tom Cherry 950bac3299720623f4226bca103b26260052732ad30Tom Cherry if (command_arg >= args.size()) { 951f86b5a6b90619e02d1d034ef7b0adc3b439f4abbElliott Hughes LOG(ERROR) << "exec called without command"; 952bac3299720623f4226bca103b26260052732ad30Tom Cherry return nullptr; 953bac3299720623f4226bca103b26260052732ad30Tom Cherry } 954bac3299720623f4226bca103b26260052732ad30Tom Cherry std::vector<std::string> str_args(args.begin() + command_arg, args.end()); 955bac3299720623f4226bca103b26260052732ad30Tom Cherry 956bac3299720623f4226bca103b26260052732ad30Tom Cherry exec_count_++; 95786e31a81238fb30d113947e7689a38daf49097f3Tom Cherry std::string name = 95886e31a81238fb30d113947e7689a38daf49097f3Tom Cherry "exec " + std::to_string(exec_count_) + " (" + android::base::Join(str_args, " ") + ")"; 95986e31a81238fb30d113947e7689a38daf49097f3Tom Cherry 960b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry unsigned flags = SVC_EXEC | SVC_ONESHOT | SVC_TEMPORARY; 96124b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes CapSet no_capabilities; 9621b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes unsigned namespace_flags = 0; 963bac3299720623f4226bca103b26260052732ad30Tom Cherry 964bac3299720623f4226bca103b26260052732ad30Tom Cherry std::string seclabel = ""; 965bac3299720623f4226bca103b26260052732ad30Tom Cherry if (command_arg > 2 && args[1] != "-") { 966bac3299720623f4226bca103b26260052732ad30Tom Cherry seclabel = args[1]; 967bac3299720623f4226bca103b26260052732ad30Tom Cherry } 968bac3299720623f4226bca103b26260052732ad30Tom Cherry uid_t uid = 0; 969bac3299720623f4226bca103b26260052732ad30Tom Cherry if (command_arg > 3) { 970517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry std::string decode_uid_err; 971517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry if (!DecodeUid(args[2], &uid, &decode_uid_err)) { 972517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry LOG(ERROR) << "Unable to find UID for '" << args[2] << "': " << decode_uid_err; 973517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry return nullptr; 974517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry } 975bac3299720623f4226bca103b26260052732ad30Tom Cherry } 976bac3299720623f4226bca103b26260052732ad30Tom Cherry gid_t gid = 0; 977bac3299720623f4226bca103b26260052732ad30Tom Cherry std::vector<gid_t> supp_gids; 978bac3299720623f4226bca103b26260052732ad30Tom Cherry if (command_arg > 4) { 979517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry std::string decode_uid_err; 980517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry if (!DecodeUid(args[3], &gid, &decode_uid_err)) { 981517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry LOG(ERROR) << "Unable to find GID for '" << args[3] << "': " << decode_uid_err; 982517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry return nullptr; 983517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry } 984bac3299720623f4226bca103b26260052732ad30Tom Cherry std::size_t nr_supp_gids = command_arg - 1 /* -- */ - 4 /* exec SECLABEL UID GID */; 985bac3299720623f4226bca103b26260052732ad30Tom Cherry for (size_t i = 0; i < nr_supp_gids; ++i) { 986517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry gid_t supp_gid; 987517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry if (!DecodeUid(args[4 + i], &supp_gid, &decode_uid_err)) { 988517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry LOG(ERROR) << "Unable to find UID for '" << args[4 + i] << "': " << decode_uid_err; 989517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry return nullptr; 990517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry } 991517e1f17cfec2143d4d10a64b1496a550acf3ea2Tom Cherry supp_gids.push_back(supp_gid); 992bac3299720623f4226bca103b26260052732ad30Tom Cherry } 993bac3299720623f4226bca103b26260052732ad30Tom Cherry } 994bac3299720623f4226bca103b26260052732ad30Tom Cherry 995641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang auto svc_p = std::make_unique<Service>(name, flags, uid, gid, supp_gids, no_capabilities, 996641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang namespace_flags, seclabel, str_args); 997bac3299720623f4226bca103b26260052732ad30Tom Cherry Service* svc = svc_p.get(); 9989bdddd713af925a4be161f65e5fd66eccc8bd1ebTom Cherry services_.emplace_back(std::move(svc_p)); 999bac3299720623f4226bca103b26260052732ad30Tom Cherry 1000bac3299720623f4226bca103b26260052732ad30Tom Cherry return svc; 1001bac3299720623f4226bca103b26260052732ad30Tom Cherry} 1002bac3299720623f4226bca103b26260052732ad30Tom Cherry 1003bac3299720623f4226bca103b26260052732ad30Tom CherryService* ServiceManager::FindServiceByName(const std::string& name) const { 1004bac3299720623f4226bca103b26260052732ad30Tom Cherry auto svc = std::find_if(services_.begin(), services_.end(), 1005bac3299720623f4226bca103b26260052732ad30Tom Cherry [&name] (const std::unique_ptr<Service>& s) { 1006bac3299720623f4226bca103b26260052732ad30Tom Cherry return name == s->name(); 1007bac3299720623f4226bca103b26260052732ad30Tom Cherry }); 1008bac3299720623f4226bca103b26260052732ad30Tom Cherry if (svc != services_.end()) { 1009bac3299720623f4226bca103b26260052732ad30Tom Cherry return svc->get(); 1010bac3299720623f4226bca103b26260052732ad30Tom Cherry } 1011bac3299720623f4226bca103b26260052732ad30Tom Cherry return nullptr; 1012bac3299720623f4226bca103b26260052732ad30Tom Cherry} 1013bac3299720623f4226bca103b26260052732ad30Tom Cherry 1014bac3299720623f4226bca103b26260052732ad30Tom CherryService* ServiceManager::FindServiceByPid(pid_t pid) const { 1015bac3299720623f4226bca103b26260052732ad30Tom Cherry auto svc = std::find_if(services_.begin(), services_.end(), 1016bac3299720623f4226bca103b26260052732ad30Tom Cherry [&pid] (const std::unique_ptr<Service>& s) { 1017bac3299720623f4226bca103b26260052732ad30Tom Cherry return s->pid() == pid; 1018bac3299720623f4226bca103b26260052732ad30Tom Cherry }); 1019bac3299720623f4226bca103b26260052732ad30Tom Cherry if (svc != services_.end()) { 1020bac3299720623f4226bca103b26260052732ad30Tom Cherry return svc->get(); 1021bac3299720623f4226bca103b26260052732ad30Tom Cherry } 1022bac3299720623f4226bca103b26260052732ad30Tom Cherry return nullptr; 1023bac3299720623f4226bca103b26260052732ad30Tom Cherry} 1024bac3299720623f4226bca103b26260052732ad30Tom Cherry 1025bac3299720623f4226bca103b26260052732ad30Tom CherryService* ServiceManager::FindServiceByKeychord(int keychord_id) const { 1026bac3299720623f4226bca103b26260052732ad30Tom Cherry auto svc = std::find_if(services_.begin(), services_.end(), 1027bac3299720623f4226bca103b26260052732ad30Tom Cherry [&keychord_id] (const std::unique_ptr<Service>& s) { 1028bac3299720623f4226bca103b26260052732ad30Tom Cherry return s->keychord_id() == keychord_id; 1029bac3299720623f4226bca103b26260052732ad30Tom Cherry }); 1030bac3299720623f4226bca103b26260052732ad30Tom Cherry 1031bac3299720623f4226bca103b26260052732ad30Tom Cherry if (svc != services_.end()) { 1032bac3299720623f4226bca103b26260052732ad30Tom Cherry return svc->get(); 1033bac3299720623f4226bca103b26260052732ad30Tom Cherry } 1034bac3299720623f4226bca103b26260052732ad30Tom Cherry return nullptr; 1035bac3299720623f4226bca103b26260052732ad30Tom Cherry} 1036bac3299720623f4226bca103b26260052732ad30Tom Cherry 10378f7b9e3d39cdae8363816aa7bcbab0d79fd70ceaChih-Hung Hsiehvoid ServiceManager::ForEachService(const std::function<void(Service*)>& callback) const { 1038bac3299720623f4226bca103b26260052732ad30Tom Cherry for (const auto& s : services_) { 1039b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET callback(s.get()); 1040bac3299720623f4226bca103b26260052732ad30Tom Cherry } 1041bac3299720623f4226bca103b26260052732ad30Tom Cherry} 1042bac3299720623f4226bca103b26260052732ad30Tom Cherry 1043bac3299720623f4226bca103b26260052732ad30Tom Cherryvoid ServiceManager::ForEachServiceInClass(const std::string& classname, 1044bac3299720623f4226bca103b26260052732ad30Tom Cherry void (*func)(Service* svc)) const { 1045bac3299720623f4226bca103b26260052732ad30Tom Cherry for (const auto& s : services_) { 1046641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang if (s->classnames().find(classname) != s->classnames().end()) { 1047bac3299720623f4226bca103b26260052732ad30Tom Cherry func(s.get()); 1048bac3299720623f4226bca103b26260052732ad30Tom Cherry } 1049bac3299720623f4226bca103b26260052732ad30Tom Cherry } 1050bac3299720623f4226bca103b26260052732ad30Tom Cherry} 1051bac3299720623f4226bca103b26260052732ad30Tom Cherry 1052bac3299720623f4226bca103b26260052732ad30Tom Cherryvoid ServiceManager::ForEachServiceWithFlags(unsigned matchflags, 1053bac3299720623f4226bca103b26260052732ad30Tom Cherry void (*func)(Service* svc)) const { 1054bac3299720623f4226bca103b26260052732ad30Tom Cherry for (const auto& s : services_) { 1055bac3299720623f4226bca103b26260052732ad30Tom Cherry if (s->flags() & matchflags) { 1056bac3299720623f4226bca103b26260052732ad30Tom Cherry func(s.get()); 1057bac3299720623f4226bca103b26260052732ad30Tom Cherry } 1058bac3299720623f4226bca103b26260052732ad30Tom Cherry } 1059bac3299720623f4226bca103b26260052732ad30Tom Cherry} 1060bac3299720623f4226bca103b26260052732ad30Tom Cherry 1061b7349902a945903f9e36a569051f5131beb0bc24Tom Cherryvoid ServiceManager::RemoveService(const Service& svc) { 1062bac3299720623f4226bca103b26260052732ad30Tom Cherry auto svc_it = std::find_if(services_.begin(), services_.end(), 1063bac3299720623f4226bca103b26260052732ad30Tom Cherry [&svc] (const std::unique_ptr<Service>& s) { 1064bac3299720623f4226bca103b26260052732ad30Tom Cherry return svc.name() == s->name(); 1065bac3299720623f4226bca103b26260052732ad30Tom Cherry }); 1066bac3299720623f4226bca103b26260052732ad30Tom Cherry if (svc_it == services_.end()) { 1067bac3299720623f4226bca103b26260052732ad30Tom Cherry return; 1068bac3299720623f4226bca103b26260052732ad30Tom Cherry } 1069bac3299720623f4226bca103b26260052732ad30Tom Cherry 1070bac3299720623f4226bca103b26260052732ad30Tom Cherry services_.erase(svc_it); 1071bac3299720623f4226bca103b26260052732ad30Tom Cherry} 1072bac3299720623f4226bca103b26260052732ad30Tom Cherry 1073b7349902a945903f9e36a569051f5131beb0bc24Tom Cherryvoid ServiceManager::DumpState() const { 1074b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry for (const auto& s : services_) { 1075b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry s->DumpState(); 1076b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry } 1077b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 1078b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 1079b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNETbool ServiceManager::ReapOneProcess() { 1080b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET int status; 1081b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET pid_t pid = TEMP_FAILURE_RETRY(waitpid(-1, &status, WNOHANG)); 1082b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET if (pid == 0) { 1083b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET return false; 1084b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET } else if (pid == -1) { 1085f86b5a6b90619e02d1d034ef7b0adc3b439f4abbElliott Hughes PLOG(ERROR) << "waitpid failed"; 1086b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET return false; 108762696908ff840aeb3663b7510c0ae8ff208604f5Tom Marshall } else if (PropertyChildReap(pid)) { 108862696908ff840aeb3663b7510c0ae8ff208604f5Tom Marshall return true; 1089b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET } 1090b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET 1091b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET Service* svc = FindServiceByPid(pid); 1092b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET 1093b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET std::string name; 10944de31e1481dbbe6f08d85f341fa4884443433f35Keun-young Park std::string wait_string; 1095b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET if (svc) { 1096b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET name = android::base::StringPrintf("Service '%s' (pid %d)", 1097b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET svc->name().c_str(), pid); 10984de31e1481dbbe6f08d85f341fa4884443433f35Keun-young Park if (svc->flags() & SVC_EXEC) { 10994de31e1481dbbe6f08d85f341fa4884443433f35Keun-young Park wait_string = 11004de31e1481dbbe6f08d85f341fa4884443433f35Keun-young Park android::base::StringPrintf(" waiting took %f seconds", exec_waiter_->duration_s()); 11014de31e1481dbbe6f08d85f341fa4884443433f35Keun-young Park } 1102b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET } else { 1103b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET name = android::base::StringPrintf("Untracked pid %d", pid); 1104b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET } 1105b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET 1106b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET if (WIFEXITED(status)) { 11074de31e1481dbbe6f08d85f341fa4884443433f35Keun-young Park LOG(INFO) << name << " exited with status " << WEXITSTATUS(status) << wait_string; 1108b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET } else if (WIFSIGNALED(status)) { 11094de31e1481dbbe6f08d85f341fa4884443433f35Keun-young Park LOG(INFO) << name << " killed by signal " << WTERMSIG(status) << wait_string; 1110b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET } else if (WIFSTOPPED(status)) { 11114de31e1481dbbe6f08d85f341fa4884443433f35Keun-young Park LOG(INFO) << name << " stopped by signal " << WSTOPSIG(status) << wait_string; 1112b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET } else { 11134de31e1481dbbe6f08d85f341fa4884443433f35Keun-young Park LOG(INFO) << name << " state changed" << wait_string; 1114b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET } 1115b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET 1116b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET if (!svc) { 1117b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET return true; 1118b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET } 1119b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET 1120b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry svc->Reap(); 1121b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry 1122b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry if (svc->flags() & SVC_EXEC) { 1123b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry exec_waiter_.reset(); 1124b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry } 1125b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry if (svc->flags() & SVC_TEMPORARY) { 1126b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET RemoveService(*svc); 1127b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET } 1128b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET 1129b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET return true; 1130b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET} 1131b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET 1132b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNETvoid ServiceManager::ReapAnyOutstandingChildren() { 1133b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET while (ReapOneProcess()) { 1134b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET } 1135b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET} 1136b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET 113730a6f276fd8850b0a78689d7bff3cb06a18cb286Tom Cherrybool ServiceParser::ParseSection(std::vector<std::string>&& args, const std::string& filename, 1138012c573e267b8dd70de14237cb470bd7301ee8eaTom Cherry int line, std::string* err) { 1139b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry if (args.size() < 3) { 1140b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry *err = "services must have a name and a program"; 1141b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry return false; 1142b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry } 1143b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 1144b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry const std::string& name = args[1]; 1145b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry if (!IsValidName(name)) { 1146b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry *err = StringPrintf("invalid service name '%s'", name.c_str()); 1147b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry return false; 1148b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry } 1149b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 115030a6f276fd8850b0a78689d7bff3cb06a18cb286Tom Cherry Service* old_service = service_manager_->FindServiceByName(name); 115130a6f276fd8850b0a78689d7bff3cb06a18cb286Tom Cherry if (old_service) { 115230a6f276fd8850b0a78689d7bff3cb06a18cb286Tom Cherry *err = "ignored duplicate definition of service '" + name + "'"; 115330a6f276fd8850b0a78689d7bff3cb06a18cb286Tom Cherry return false; 115430a6f276fd8850b0a78689d7bff3cb06a18cb286Tom Cherry } 115530a6f276fd8850b0a78689d7bff3cb06a18cb286Tom Cherry 1156b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry std::vector<std::string> str_args(args.begin() + 2, args.end()); 1157641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang service_ = std::make_unique<Service>(name, str_args); 1158b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry return true; 1159b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 1160b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 116130a6f276fd8850b0a78689d7bff3cb06a18cb286Tom Cherrybool ServiceParser::ParseLineSection(std::vector<std::string>&& args, int line, std::string* err) { 116230a6f276fd8850b0a78689d7bff3cb06a18cb286Tom Cherry return service_ ? service_->ParseLine(std::move(args), err) : false; 1163b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 1164b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 1165b7349902a945903f9e36a569051f5131beb0bc24Tom Cherryvoid ServiceParser::EndSection() { 1166b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry if (service_) { 116730a6f276fd8850b0a78689d7bff3cb06a18cb286Tom Cherry service_manager_->AddService(std::move(service_)); 1168b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry } 1169b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 1170b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 1171b7349902a945903f9e36a569051f5131beb0bc24Tom Cherrybool ServiceParser::IsValidName(const std::string& name) const { 1172b7788fd454da2201c6e48dededa9b11873ef621eElliott Hughes // Property names can be any length, but may only contain certain characters. 1173b7788fd454da2201c6e48dededa9b11873ef621eElliott Hughes // Property values can contain any characters, but may only be a certain length. 1174b7788fd454da2201c6e48dededa9b11873ef621eElliott Hughes // (The latter restriction is needed because `start` and `stop` work by writing 1175b7788fd454da2201c6e48dededa9b11873ef621eElliott Hughes // the service name to the "ctl.start" and "ctl.stop" properties.) 1176b7788fd454da2201c6e48dededa9b11873ef621eElliott Hughes return is_legal_property_name("init.svc." + name) && name.size() <= PROP_VALUE_MAX; 1177bac3299720623f4226bca103b26260052732ad30Tom Cherry} 1178