service.cpp revision 3f5eaae526413a29de899270714469c76dc91ec8
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> 27081705c258efbe938d71c2022528d809fa6d42c5Vitalii Tomkiv#include <sys/time.h> 28b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET#include <sys/wait.h> 29bac3299720623f4226bca103b26260052732ad30Tom Cherry#include <termios.h> 30af9ba4dc6ca98e136e887b0baa59b72fb8302dd3Dan Albert#include <unistd.h> 31bac3299720623f4226bca103b26260052732ad30Tom Cherry 324f71319df011d796a60a43fc1bc68e16fbf7d321Elliott Hughes#include <android-base/file.h> 333f5eaae526413a29de899270714469c76dc91ec8Tom Cherry#include <android-base/logging.h> 34da46b392f10d2809b5696632f67485f272ec5698Elliott Hughes#include <android-base/parseint.h> 35ccf23537eeacfa47e5f18dd3b75089886d177c1bTom Cherry#include <android-base/properties.h> 364f71319df011d796a60a43fc1bc68e16fbf7d321Elliott Hughes#include <android-base/stringprintf.h> 37f86b5a6b90619e02d1d034ef7b0adc3b439f4abbElliott Hughes#include <android-base/strings.h> 38f7e79b99c1e9e3128dd9921871f7740bebb755e6Collin Mulliner#include <processgroup/processgroup.h> 393f5eaae526413a29de899270714469c76dc91ec8Tom Cherry#include <selinux/selinux.h> 403f5eaae526413a29de899270714469c76dc91ec8Tom Cherry#include <system/thread_defs.h> 41f7e79b99c1e9e3128dd9921871f7740bebb755e6Collin Mulliner 42bac3299720623f4226bca103b26260052732ad30Tom Cherry#include "init.h" 43bac3299720623f4226bca103b26260052732ad30Tom Cherry#include "property_service.h" 44bac3299720623f4226bca103b26260052732ad30Tom Cherry#include "util.h" 45bac3299720623f4226bca103b26260052732ad30Tom Cherry 46e78ea77f6992013b16fd57c07548b53129cdd12fJames Hawkinsusing android::base::boot_clock; 47da46b392f10d2809b5696632f67485f272ec5698Elliott Hughesusing android::base::ParseInt; 48b7349902a945903f9e36a569051f5131beb0bc24Tom Cherryusing android::base::StringPrintf; 49b7349902a945903f9e36a569051f5131beb0bc24Tom Cherryusing android::base::WriteStringToFile; 50b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 51344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obesstatic std::string ComputeContextFromExecutable(std::string& service_name, 52344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes const std::string& service_path) { 53344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes std::string computed_context; 54344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes 55344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes char* raw_con = nullptr; 56344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes char* raw_filecon = nullptr; 57344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes 58344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes if (getcon(&raw_con) == -1) { 59344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes LOG(ERROR) << "could not get context while starting '" << service_name << "'"; 60344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes return ""; 61344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 62344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes std::unique_ptr<char> mycon(raw_con); 63344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes 64344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes if (getfilecon(service_path.c_str(), &raw_filecon) == -1) { 65344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes LOG(ERROR) << "could not get file context while starting '" << service_name << "'"; 66344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes return ""; 67344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 68344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes std::unique_ptr<char> filecon(raw_filecon); 69344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes 70344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes char* new_con = nullptr; 71344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes int rc = security_compute_create(mycon.get(), filecon.get(), 72344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes string_to_security_class("process"), &new_con); 73344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes if (rc == 0) { 74344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes computed_context = new_con; 75344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes free(new_con); 76344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 77344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes if (rc == 0 && computed_context == mycon.get()) { 78344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes LOG(ERROR) << "service " << service_name << " does not have a SELinux domain defined"; 79344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes return ""; 80344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 81344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes if (rc < 0) { 82344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes LOG(ERROR) << "could not get context while starting '" << service_name << "'"; 83344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes return ""; 84344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 85344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes return computed_context; 86344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes} 87344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes 881b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obesstatic void SetUpPidNamespace(const std::string& service_name) { 891b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes constexpr unsigned int kSafeFlags = MS_NODEV | MS_NOEXEC | MS_NOSUID; 901b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes 911b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes // It's OK to LOG(FATAL) in this function since it's running in the first 921b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes // child process. 931b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes if (mount("", "/proc", "proc", kSafeFlags | MS_REMOUNT, "") == -1) { 94e18e7e5c43c39677c6d49f8f76893d720f90b4fbElliott Hughes PLOG(FATAL) << "couldn't remount(/proc) for " << service_name; 951b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes } 961b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes 971b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes if (prctl(PR_SET_NAME, service_name.c_str()) == -1) { 98e18e7e5c43c39677c6d49f8f76893d720f90b4fbElliott Hughes PLOG(FATAL) << "couldn't set name for " << service_name; 991b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes } 1001b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes 1011b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes pid_t child_pid = fork(); 1021b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes if (child_pid == -1) { 103e18e7e5c43c39677c6d49f8f76893d720f90b4fbElliott Hughes PLOG(FATAL) << "couldn't fork init inside the PID namespace for " << service_name; 1041b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes } 1051b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes 1061b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes if (child_pid > 0) { 1071b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes // So that we exit with the right status. 1081b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes static int init_exitstatus = 0; 1091b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes signal(SIGTERM, [](int) { _exit(init_exitstatus); }); 1101b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes 1111b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes pid_t waited_pid; 1121b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes int status; 1131b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes while ((waited_pid = wait(&status)) > 0) { 1141b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes // This loop will end when there are no processes left inside the 1151b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes // PID namespace or when the init process inside the PID namespace 1161b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes // gets a signal. 1171b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes if (waited_pid == child_pid) { 1181b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes init_exitstatus = status; 1191b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes } 1201b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes } 1211b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes if (!WIFEXITED(init_exitstatus)) { 1221b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes _exit(EXIT_FAILURE); 1231b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes } 1241b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes _exit(WEXITSTATUS(init_exitstatus)); 1251b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes } 1261b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes} 1271b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes 128344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obesstatic void ExpandArgs(const std::vector<std::string>& args, std::vector<char*>* strs) { 129344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes std::vector<std::string> expanded_args; 130344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes expanded_args.resize(args.size()); 131344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes strs->push_back(const_cast<char*>(args[0].c_str())); 132344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes for (std::size_t i = 1; i < args.size(); ++i) { 133344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes if (!expand_props(args[i], &expanded_args[i])) { 134344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes LOG(FATAL) << args[0] << ": cannot expand '" << args[i] << "'"; 135344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 136344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes strs->push_back(const_cast<char*>(expanded_args[i].c_str())); 137344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 138344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes strs->push_back(nullptr); 139344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes} 140344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes 141bac3299720623f4226bca103b26260052732ad30Tom CherryServiceEnvironmentInfo::ServiceEnvironmentInfo() { 142bac3299720623f4226bca103b26260052732ad30Tom Cherry} 143bac3299720623f4226bca103b26260052732ad30Tom Cherry 144bac3299720623f4226bca103b26260052732ad30Tom CherryServiceEnvironmentInfo::ServiceEnvironmentInfo(const std::string& name, 145bac3299720623f4226bca103b26260052732ad30Tom Cherry const std::string& value) 146bac3299720623f4226bca103b26260052732ad30Tom Cherry : name(name), value(value) { 147bac3299720623f4226bca103b26260052732ad30Tom Cherry} 148bac3299720623f4226bca103b26260052732ad30Tom Cherry 149641ff0a4d8d05349d9c22f726a035a2936a2a94dWei WangService::Service(const std::string& name, const std::vector<std::string>& args) 150641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang : name_(name), 151641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang classnames_({"default"}), 152641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang flags_(0), 153641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang pid_(0), 154641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang crash_count_(0), 155641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang uid_(0), 156641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang gid_(0), 157641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang namespace_flags_(0), 158641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang seclabel_(""), 159641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang ioprio_class_(IoSchedClass_NONE), 160641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang ioprio_pri_(0), 161641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang priority_(0), 162641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang oom_score_adjust_(-1000), 163641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang args_(args) { 164bac3299720623f4226bca103b26260052732ad30Tom Cherry onrestart_.InitSingleTrigger("onrestart"); 165bac3299720623f4226bca103b26260052732ad30Tom Cherry} 166bac3299720623f4226bca103b26260052732ad30Tom Cherry 167641ff0a4d8d05349d9c22f726a035a2936a2a94dWei WangService::Service(const std::string& name, unsigned flags, uid_t uid, gid_t gid, 168641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang const std::vector<gid_t>& supp_gids, const CapSet& capabilities, 169641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang unsigned namespace_flags, const std::string& seclabel, 1701b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes const std::vector<std::string>& args) 171641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang : name_(name), 172641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang classnames_({"default"}), 173641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang flags_(flags), 174641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang pid_(0), 175641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang crash_count_(0), 176641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang uid_(uid), 177641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang gid_(gid), 178641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang supp_gids_(supp_gids), 179641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang capabilities_(capabilities), 180641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang namespace_flags_(namespace_flags), 181641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang seclabel_(seclabel), 182641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang ioprio_class_(IoSchedClass_NONE), 183641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang ioprio_pri_(0), 184641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang priority_(0), 185641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang oom_score_adjust_(-1000), 186641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang args_(args) { 187bac3299720623f4226bca103b26260052732ad30Tom Cherry onrestart_.InitSingleTrigger("onrestart"); 188bac3299720623f4226bca103b26260052732ad30Tom Cherry} 189bac3299720623f4226bca103b26260052732ad30Tom Cherry 190bac3299720623f4226bca103b26260052732ad30Tom Cherryvoid Service::NotifyStateChange(const std::string& new_state) const { 191b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry if ((flags_ & SVC_TEMPORARY) != 0) { 192b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry // Services created by 'exec' are temporary and don't have properties tracking their state. 193bac3299720623f4226bca103b26260052732ad30Tom Cherry return; 194bac3299720623f4226bca103b26260052732ad30Tom Cherry } 195bac3299720623f4226bca103b26260052732ad30Tom Cherry 196b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry std::string prop_name = StringPrintf("init.svc.%s", name_.c_str()); 197bac3299720623f4226bca103b26260052732ad30Tom Cherry property_set(prop_name.c_str(), new_state.c_str()); 1989605a945f7a497c0307b512b9cd762f2d23973caElliott Hughes 1999605a945f7a497c0307b512b9cd762f2d23973caElliott Hughes if (new_state == "running") { 2009605a945f7a497c0307b512b9cd762f2d23973caElliott Hughes uint64_t start_ns = time_started_.time_since_epoch().count(); 201331cf2fb7c16b5b25064f8d2f00284105a9b413fElliott Hughes property_set(StringPrintf("ro.boottime.%s", name_.c_str()).c_str(), 202331cf2fb7c16b5b25064f8d2f00284105a9b413fElliott Hughes StringPrintf("%" PRIu64, start_ns).c_str()); 2039605a945f7a497c0307b512b9cd762f2d23973caElliott Hughes } 204bac3299720623f4226bca103b26260052732ad30Tom Cherry} 205bac3299720623f4226bca103b26260052732ad30Tom Cherry 206ad8e94e017173471e90c704eb7d8de5a14712aa7Elliott Hughesvoid Service::KillProcessGroup(int signal) { 2071e73024653d962b769387dd4c9ff544b6c8b7cc9Elliott Hughes LOG(INFO) << "Sending signal " << signal 2081e73024653d962b769387dd4c9ff544b6c8b7cc9Elliott Hughes << " to service '" << name_ 2091e73024653d962b769387dd4c9ff544b6c8b7cc9Elliott Hughes << "' (pid " << pid_ << ") process group..."; 210acd55b39fe75349967c31a5736726fb84d3335afKeun-young Park int r; 211acd55b39fe75349967c31a5736726fb84d3335afKeun-young Park if (signal == SIGTERM) { 212acd55b39fe75349967c31a5736726fb84d3335afKeun-young Park r = killProcessGroupOnce(uid_, pid_, signal); 213acd55b39fe75349967c31a5736726fb84d3335afKeun-young Park } else { 214acd55b39fe75349967c31a5736726fb84d3335afKeun-young Park r = killProcessGroup(uid_, pid_, signal); 215acd55b39fe75349967c31a5736726fb84d3335afKeun-young Park } 216acd55b39fe75349967c31a5736726fb84d3335afKeun-young Park if (r == -1) { 2171e73024653d962b769387dd4c9ff544b6c8b7cc9Elliott Hughes PLOG(ERROR) << "killProcessGroup(" << uid_ << ", " << pid_ << ", " << signal << ") failed"; 2181e73024653d962b769387dd4c9ff544b6c8b7cc9Elliott Hughes } 2191e73024653d962b769387dd4c9ff544b6c8b7cc9Elliott Hughes if (kill(-pid_, signal) == -1) { 2201e73024653d962b769387dd4c9ff544b6c8b7cc9Elliott Hughes PLOG(ERROR) << "kill(" << pid_ << ", " << signal << ") failed"; 2211e73024653d962b769387dd4c9ff544b6c8b7cc9Elliott Hughes } 222ad8e94e017173471e90c704eb7d8de5a14712aa7Elliott Hughes} 223ad8e94e017173471e90c704eb7d8de5a14712aa7Elliott Hughes 224344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obesvoid Service::SetProcessAttributes() { 22524b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes // Keep capabilites on uid change. 22624b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes if (capabilities_.any() && uid_) { 22724b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes if (prctl(PR_SET_SECUREBITS, SECBIT_KEEP_CAPS | SECBIT_KEEP_CAPS_LOCKED) != 0) { 22824b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes PLOG(FATAL) << "prtcl(PR_SET_KEEPCAPS) failed for " << name_; 22924b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes } 23024b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes } 23124b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes 232e18e7e5c43c39677c6d49f8f76893d720f90b4fbElliott Hughes // TODO: work out why this fails for `console` then upgrade to FATAL. 233e18e7e5c43c39677c6d49f8f76893d720f90b4fbElliott Hughes if (setpgid(0, getpid()) == -1) PLOG(ERROR) << "setpgid failed for " << name_; 234344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes 235344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes if (gid_) { 236344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes if (setgid(gid_) != 0) { 237e18e7e5c43c39677c6d49f8f76893d720f90b4fbElliott Hughes PLOG(FATAL) << "setgid failed for " << name_; 238344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 239344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 24080960d2a9a6e15931d946cc826dcb3d5bf68ca4fNick Kralevich if (setgroups(supp_gids_.size(), &supp_gids_[0]) != 0) { 24180960d2a9a6e15931d946cc826dcb3d5bf68ca4fNick Kralevich PLOG(FATAL) << "setgroups failed for " << name_; 242344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 243344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes if (uid_) { 244344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes if (setuid(uid_) != 0) { 245e18e7e5c43c39677c6d49f8f76893d720f90b4fbElliott Hughes PLOG(FATAL) << "setuid failed for " << name_; 246344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 247344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 248344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes if (!seclabel_.empty()) { 249344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes if (setexeccon(seclabel_.c_str()) < 0) { 250e18e7e5c43c39677c6d49f8f76893d720f90b4fbElliott Hughes PLOG(FATAL) << "cannot setexeccon('" << seclabel_ << "') for " << name_; 251344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 252344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 253344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes if (priority_ != 0) { 254344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes if (setpriority(PRIO_PROCESS, 0, priority_) != 0) { 255e18e7e5c43c39677c6d49f8f76893d720f90b4fbElliott Hughes PLOG(FATAL) << "setpriority failed for " << name_; 256344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 257344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes } 25824b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes if (capabilities_.any()) { 25924b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes if (!SetCapsForExec(capabilities_)) { 26024b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes LOG(FATAL) << "cannot set capabilities for " << name_; 26124b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes } 26224b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes } 263344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes} 264344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes 265b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherryvoid Service::Reap() { 266bac3299720623f4226bca103b26260052732ad30Tom Cherry if (!(flags_ & SVC_ONESHOT) || (flags_ & SVC_RESTART)) { 267ad8e94e017173471e90c704eb7d8de5a14712aa7Elliott Hughes KillProcessGroup(SIGKILL); 268bac3299720623f4226bca103b26260052732ad30Tom Cherry } 269bac3299720623f4226bca103b26260052732ad30Tom Cherry 27062767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn // Remove any descriptor resources we may have created. 27162767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn std::for_each(descriptors_.begin(), descriptors_.end(), 27262767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn std::bind(&DescriptorInfo::Clean, std::placeholders::_1)); 273bac3299720623f4226bca103b26260052732ad30Tom Cherry 274bac3299720623f4226bca103b26260052732ad30Tom Cherry if (flags_ & SVC_EXEC) { 275f86b5a6b90619e02d1d034ef7b0adc3b439f4abbElliott Hughes LOG(INFO) << "SVC_EXEC pid " << pid_ << " finished..."; 276b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry } 277b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry 278b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry if (flags_ & SVC_TEMPORARY) { 279b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry return; 280bac3299720623f4226bca103b26260052732ad30Tom Cherry } 281bac3299720623f4226bca103b26260052732ad30Tom Cherry 282bac3299720623f4226bca103b26260052732ad30Tom Cherry pid_ = 0; 283bac3299720623f4226bca103b26260052732ad30Tom Cherry flags_ &= (~SVC_RUNNING); 284bac3299720623f4226bca103b26260052732ad30Tom Cherry 285bac3299720623f4226bca103b26260052732ad30Tom Cherry // Oneshot processes go into the disabled state on exit, 286bac3299720623f4226bca103b26260052732ad30Tom Cherry // except when manually restarted. 287bac3299720623f4226bca103b26260052732ad30Tom Cherry if ((flags_ & SVC_ONESHOT) && !(flags_ & SVC_RESTART)) { 288bac3299720623f4226bca103b26260052732ad30Tom Cherry flags_ |= SVC_DISABLED; 289bac3299720623f4226bca103b26260052732ad30Tom Cherry } 290bac3299720623f4226bca103b26260052732ad30Tom Cherry 291bac3299720623f4226bca103b26260052732ad30Tom Cherry // Disabled and reset processes do not get restarted automatically. 292bac3299720623f4226bca103b26260052732ad30Tom Cherry if (flags_ & (SVC_DISABLED | SVC_RESET)) { 293bac3299720623f4226bca103b26260052732ad30Tom Cherry NotifyStateChange("stopped"); 294b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry return; 295bac3299720623f4226bca103b26260052732ad30Tom Cherry } 296bac3299720623f4226bca103b26260052732ad30Tom Cherry 2979605a945f7a497c0307b512b9cd762f2d23973caElliott Hughes // If we crash > 4 times in 4 minutes, reboot into recovery. 2989605a945f7a497c0307b512b9cd762f2d23973caElliott Hughes boot_clock::time_point now = boot_clock::now(); 299bac3299720623f4226bca103b26260052732ad30Tom Cherry if ((flags_ & SVC_CRITICAL) && !(flags_ & SVC_RESTART)) { 3009605a945f7a497c0307b512b9cd762f2d23973caElliott Hughes if (now < time_crashed_ + 4min) { 3019605a945f7a497c0307b512b9cd762f2d23973caElliott Hughes if (++crash_count_ > 4) { 302331cf2fb7c16b5b25064f8d2f00284105a9b413fElliott Hughes LOG(ERROR) << "critical process '" << name_ << "' exited 4 times in 4 minutes"; 303331cf2fb7c16b5b25064f8d2f00284105a9b413fElliott Hughes panic(); 304bac3299720623f4226bca103b26260052732ad30Tom Cherry } 305bac3299720623f4226bca103b26260052732ad30Tom Cherry } else { 306bac3299720623f4226bca103b26260052732ad30Tom Cherry time_crashed_ = now; 3079605a945f7a497c0307b512b9cd762f2d23973caElliott Hughes crash_count_ = 1; 308bac3299720623f4226bca103b26260052732ad30Tom Cherry } 309bac3299720623f4226bca103b26260052732ad30Tom Cherry } 310bac3299720623f4226bca103b26260052732ad30Tom Cherry 311bac3299720623f4226bca103b26260052732ad30Tom Cherry flags_ &= (~SVC_RESTART); 312bac3299720623f4226bca103b26260052732ad30Tom Cherry flags_ |= SVC_RESTARTING; 313bac3299720623f4226bca103b26260052732ad30Tom Cherry 314bac3299720623f4226bca103b26260052732ad30Tom Cherry // Execute all onrestart commands for this service. 315bac3299720623f4226bca103b26260052732ad30Tom Cherry onrestart_.ExecuteAllCommands(); 316bac3299720623f4226bca103b26260052732ad30Tom Cherry 317bac3299720623f4226bca103b26260052732ad30Tom Cherry NotifyStateChange("restarting"); 318b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry return; 319bac3299720623f4226bca103b26260052732ad30Tom Cherry} 320bac3299720623f4226bca103b26260052732ad30Tom Cherry 321bac3299720623f4226bca103b26260052732ad30Tom Cherryvoid Service::DumpState() const { 322f86b5a6b90619e02d1d034ef7b0adc3b439f4abbElliott Hughes LOG(INFO) << "service " << name_; 323641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang LOG(INFO) << " class '" << android::base::Join(classnames_, " ") << "'"; 324f86b5a6b90619e02d1d034ef7b0adc3b439f4abbElliott Hughes LOG(INFO) << " exec "<< android::base::Join(args_, " "); 32562767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn std::for_each(descriptors_.begin(), descriptors_.end(), 32662767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn [] (const auto& info) { LOG(INFO) << *info; }); 327bac3299720623f4226bca103b26260052732ad30Tom Cherry} 328bac3299720623f4226bca103b26260052732ad30Tom Cherry 32924b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obesbool Service::ParseCapabilities(const std::vector<std::string>& args, std::string* err) { 33024b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes capabilities_ = 0; 33124b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes 332f3f824ee42892fb69cb0d9b0557cd9c5aed357d2Jorge Lucangeli Obes if (!CapAmbientSupported()) { 333f3f824ee42892fb69cb0d9b0557cd9c5aed357d2Jorge Lucangeli Obes *err = "capabilities requested but the kernel does not support ambient capabilities"; 334f3f824ee42892fb69cb0d9b0557cd9c5aed357d2Jorge Lucangeli Obes return false; 335f3f824ee42892fb69cb0d9b0557cd9c5aed357d2Jorge Lucangeli Obes } 336f3f824ee42892fb69cb0d9b0557cd9c5aed357d2Jorge Lucangeli Obes 337f3f824ee42892fb69cb0d9b0557cd9c5aed357d2Jorge Lucangeli Obes unsigned int last_valid_cap = GetLastValidCap(); 338f3f824ee42892fb69cb0d9b0557cd9c5aed357d2Jorge Lucangeli Obes if (last_valid_cap >= capabilities_.size()) { 339f3f824ee42892fb69cb0d9b0557cd9c5aed357d2Jorge Lucangeli Obes LOG(WARNING) << "last valid run-time capability is larger than CAP_LAST_CAP"; 340f3f824ee42892fb69cb0d9b0557cd9c5aed357d2Jorge Lucangeli Obes } 341f3f824ee42892fb69cb0d9b0557cd9c5aed357d2Jorge Lucangeli Obes 34224b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes for (size_t i = 1; i < args.size(); i++) { 34324b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes const std::string& arg = args[i]; 344f3f824ee42892fb69cb0d9b0557cd9c5aed357d2Jorge Lucangeli Obes int res = LookupCap(arg); 345f3f824ee42892fb69cb0d9b0557cd9c5aed357d2Jorge Lucangeli Obes if (res < 0) { 34624b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes *err = StringPrintf("invalid capability '%s'", arg.c_str()); 34724b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes return false; 34824b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes } 349f3f824ee42892fb69cb0d9b0557cd9c5aed357d2Jorge Lucangeli Obes unsigned int cap = static_cast<unsigned int>(res); // |res| is >= 0. 350f3f824ee42892fb69cb0d9b0557cd9c5aed357d2Jorge Lucangeli Obes if (cap > last_valid_cap) { 351f3f824ee42892fb69cb0d9b0557cd9c5aed357d2Jorge Lucangeli Obes *err = StringPrintf("capability '%s' not supported by the kernel", arg.c_str()); 352f3f824ee42892fb69cb0d9b0557cd9c5aed357d2Jorge Lucangeli Obes return false; 353f3f824ee42892fb69cb0d9b0557cd9c5aed357d2Jorge Lucangeli Obes } 35424b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes capabilities_[cap] = true; 35524b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes } 35624b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes return true; 35724b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes} 35824b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes 359177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obesbool Service::ParseClass(const std::vector<std::string>& args, std::string* err) { 360641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang classnames_ = std::set<std::string>(args.begin() + 1, args.end()); 361b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry return true; 362b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 363bac3299720623f4226bca103b26260052732ad30Tom Cherry 364177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obesbool Service::ParseConsole(const std::vector<std::string>& args, std::string* err) { 365b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry flags_ |= SVC_CONSOLE; 36670daa67062c016eea1a30be2e1de0dcba1d23a13Viorel Suman console_ = args.size() > 1 ? "/dev/" + args[1] : ""; 367b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry return true; 368b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 369bac3299720623f4226bca103b26260052732ad30Tom Cherry 370177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obesbool Service::ParseCritical(const std::vector<std::string>& args, std::string* err) { 371b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry flags_ |= SVC_CRITICAL; 372b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry return true; 373b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 374bac3299720623f4226bca103b26260052732ad30Tom Cherry 375177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obesbool Service::ParseDisabled(const std::vector<std::string>& args, std::string* err) { 376b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry flags_ |= SVC_DISABLED; 377b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry flags_ |= SVC_RC_DISABLED; 378b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry return true; 379b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 380bac3299720623f4226bca103b26260052732ad30Tom Cherry 381177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obesbool Service::ParseGroup(const std::vector<std::string>& args, std::string* err) { 382b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry gid_ = decode_uid(args[1].c_str()); 383b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry for (std::size_t n = 2; n < args.size(); n++) { 384b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry supp_gids_.emplace_back(decode_uid(args[n].c_str())); 385b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry } 386b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry return true; 387b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 388bac3299720623f4226bca103b26260052732ad30Tom Cherry 389177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obesbool Service::ParsePriority(const std::vector<std::string>& args, std::string* err) { 390da46b392f10d2809b5696632f67485f272ec5698Elliott Hughes priority_ = 0; 391da46b392f10d2809b5696632f67485f272ec5698Elliott Hughes if (!ParseInt(args[1], &priority_, 392dd34ca45ea80c519a579578562e73d5e7f86703bKeun-young Park static_cast<int>(ANDROID_PRIORITY_HIGHEST), // highest is negative 393dd34ca45ea80c519a579578562e73d5e7f86703bKeun-young Park static_cast<int>(ANDROID_PRIORITY_LOWEST))) { 394081705c258efbe938d71c2022528d809fa6d42c5Vitalii Tomkiv *err = StringPrintf("process priority value must be range %d - %d", 395081705c258efbe938d71c2022528d809fa6d42c5Vitalii Tomkiv ANDROID_PRIORITY_HIGHEST, ANDROID_PRIORITY_LOWEST); 396081705c258efbe938d71c2022528d809fa6d42c5Vitalii Tomkiv return false; 397081705c258efbe938d71c2022528d809fa6d42c5Vitalii Tomkiv } 398081705c258efbe938d71c2022528d809fa6d42c5Vitalii Tomkiv return true; 399081705c258efbe938d71c2022528d809fa6d42c5Vitalii Tomkiv} 400081705c258efbe938d71c2022528d809fa6d42c5Vitalii Tomkiv 401177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obesbool Service::ParseIoprio(const std::vector<std::string>& args, std::string* err) { 402da46b392f10d2809b5696632f67485f272ec5698Elliott Hughes if (!ParseInt(args[2], &ioprio_pri_, 0, 7)) { 403b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry *err = "priority value must be range 0 - 7"; 404b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry return false; 405b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry } 406b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 407b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry if (args[1] == "rt") { 408b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry ioprio_class_ = IoSchedClass_RT; 409b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry } else if (args[1] == "be") { 410b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry ioprio_class_ = IoSchedClass_BE; 411b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry } else if (args[1] == "idle") { 412b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry ioprio_class_ = IoSchedClass_IDLE; 413b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry } else { 414b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry *err = "ioprio option usage: ioprio <rt|be|idle> <0-7>"; 415b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry return false; 416bac3299720623f4226bca103b26260052732ad30Tom Cherry } 417bac3299720623f4226bca103b26260052732ad30Tom Cherry 418b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry return true; 419b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 420bac3299720623f4226bca103b26260052732ad30Tom Cherry 421177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obesbool Service::ParseKeycodes(const std::vector<std::string>& args, std::string* err) { 422b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry for (std::size_t i = 1; i < args.size(); i++) { 423da46b392f10d2809b5696632f67485f272ec5698Elliott Hughes int code; 424da46b392f10d2809b5696632f67485f272ec5698Elliott Hughes if (ParseInt(args[i], &code)) { 425da46b392f10d2809b5696632f67485f272ec5698Elliott Hughes keycodes_.emplace_back(code); 426da46b392f10d2809b5696632f67485f272ec5698Elliott Hughes } else { 427da46b392f10d2809b5696632f67485f272ec5698Elliott Hughes LOG(WARNING) << "ignoring invalid keycode: " << args[i]; 428da46b392f10d2809b5696632f67485f272ec5698Elliott Hughes } 429bac3299720623f4226bca103b26260052732ad30Tom Cherry } 430b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry return true; 431b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 432b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 433177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obesbool Service::ParseOneshot(const std::vector<std::string>& args, std::string* err) { 434b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry flags_ |= SVC_ONESHOT; 435b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry return true; 436b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 437b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 438177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obesbool Service::ParseOnrestart(const std::vector<std::string>& args, std::string* err) { 439b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry std::vector<std::string> str_args(args.begin() + 1, args.end()); 440b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry onrestart_.AddCommand(str_args, "", 0, err); 441b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry return true; 442b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 443bac3299720623f4226bca103b26260052732ad30Tom Cherry 444177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obesbool Service::ParseNamespace(const std::vector<std::string>& args, std::string* err) { 4451b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes for (size_t i = 1; i < args.size(); i++) { 4461b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes if (args[i] == "pid") { 4471b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes namespace_flags_ |= CLONE_NEWPID; 4481b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes // PID namespaces require mount namespaces. 4491b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes namespace_flags_ |= CLONE_NEWNS; 4501b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes } else if (args[i] == "mnt") { 4511b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes namespace_flags_ |= CLONE_NEWNS; 4521b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes } else { 4531b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes *err = "namespace must be 'pid' or 'mnt'"; 4541b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes return false; 4551b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes } 4561b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes } 4571b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes return true; 4581b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes} 4591b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes 460310f6704d0dfe9ca4cfb153ce8e4212cc7596190Marco Nelissenbool Service::ParseOomScoreAdjust(const std::vector<std::string>& args, std::string* err) { 461da46b392f10d2809b5696632f67485f272ec5698Elliott Hughes if (!ParseInt(args[1], &oom_score_adjust_, -1000, 1000)) { 462310f6704d0dfe9ca4cfb153ce8e4212cc7596190Marco Nelissen *err = "oom_score_adjust value must be in range -1000 - +1000"; 463310f6704d0dfe9ca4cfb153ce8e4212cc7596190Marco Nelissen return false; 464310f6704d0dfe9ca4cfb153ce8e4212cc7596190Marco Nelissen } 465310f6704d0dfe9ca4cfb153ce8e4212cc7596190Marco Nelissen return true; 466310f6704d0dfe9ca4cfb153ce8e4212cc7596190Marco Nelissen} 467310f6704d0dfe9ca4cfb153ce8e4212cc7596190Marco Nelissen 468177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obesbool Service::ParseSeclabel(const std::vector<std::string>& args, std::string* err) { 469b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry seclabel_ = args[1]; 470b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry return true; 471b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 472b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 473177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obesbool Service::ParseSetenv(const std::vector<std::string>& args, std::string* err) { 474b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry envvars_.emplace_back(args[1], args[2]); 475b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry return true; 476b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 477b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 47862767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyntemplate <typename T> 47962767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzynbool Service::AddDescriptor(const std::vector<std::string>& args, std::string* err) { 48062767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn int perm = args.size() > 3 ? std::strtoul(args[3].c_str(), 0, 8) : -1; 48162767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn uid_t uid = args.size() > 4 ? decode_uid(args[4].c_str()) : 0; 48262767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn gid_t gid = args.size() > 5 ? decode_uid(args[5].c_str()) : 0; 48362767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn std::string context = args.size() > 6 ? args[6] : ""; 48462767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn 48562767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn auto descriptor = std::make_unique<T>(args[1], args[2], uid, gid, perm, context); 48662767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn 48762767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn auto old = 48862767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn std::find_if(descriptors_.begin(), descriptors_.end(), 48962767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn [&descriptor] (const auto& other) { return descriptor.get() == other.get(); }); 49062767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn 49162767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn if (old != descriptors_.end()) { 49262767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn *err = "duplicate descriptor " + args[1] + " " + args[2]; 49362767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn return false; 49462767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn } 49562767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn 49662767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn descriptors_.emplace_back(std::move(descriptor)); 49762767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn return true; 49862767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn} 49962767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn 50062767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn// name type perm [ uid gid context ] 501177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obesbool Service::ParseSocket(const std::vector<std::string>& args, std::string* err) { 502b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry if (args[2] != "dgram" && args[2] != "stream" && args[2] != "seqpacket") { 503b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry *err = "socket type must be 'dgram', 'stream' or 'seqpacket'"; 504bac3299720623f4226bca103b26260052732ad30Tom Cherry return false; 505bac3299720623f4226bca103b26260052732ad30Tom Cherry } 50662767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn return AddDescriptor<SocketInfo>(args, err); 50762767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn} 508b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 50962767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn// name type perm [ uid gid context ] 51062767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzynbool Service::ParseFile(const std::vector<std::string>& args, std::string* err) { 51162767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn if (args[2] != "r" && args[2] != "w" && args[2] != "rw") { 51262767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn *err = "file type must be 'r', 'w' or 'rw'"; 51362767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn return false; 51462767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn } 51562767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn if ((args[1][0] != '/') || (args[1].find("../") != std::string::npos)) { 51662767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn *err = "file name must not be relative"; 51762767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn return false; 51862767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn } 51962767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn return AddDescriptor<FileInfo>(args, err); 520bac3299720623f4226bca103b26260052732ad30Tom Cherry} 521bac3299720623f4226bca103b26260052732ad30Tom Cherry 522177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obesbool Service::ParseUser(const std::vector<std::string>& args, std::string* err) { 523b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry uid_ = decode_uid(args[1].c_str()); 524b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry return true; 525b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 526b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 527177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obesbool Service::ParseWritepid(const std::vector<std::string>& args, std::string* err) { 528b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry writepid_files_.assign(args.begin() + 1, args.end()); 529b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry return true; 530b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 531b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 532177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obesclass Service::OptionParserMap : public KeywordMap<OptionParser> { 533b7349902a945903f9e36a569051f5131beb0bc24Tom Cherrypublic: 534177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes OptionParserMap() { 535b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry } 536b7349902a945903f9e36a569051f5131beb0bc24Tom Cherryprivate: 537b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry Map& map() const override; 538b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry}; 539b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 540177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli ObesService::OptionParserMap::Map& Service::OptionParserMap::map() const { 541b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry constexpr std::size_t kMax = std::numeric_limits<std::size_t>::max(); 542641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang // clang-format off 543177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes static const Map option_parsers = { 54424b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes {"capabilities", 54524b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes {1, kMax, &Service::ParseCapabilities}}, 546641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang {"class", {1, kMax, &Service::ParseClass}}, 547177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes {"console", {0, 1, &Service::ParseConsole}}, 548177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes {"critical", {0, 0, &Service::ParseCritical}}, 549177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes {"disabled", {0, 0, &Service::ParseDisabled}}, 550177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes {"group", {1, NR_SVC_SUPP_GIDS + 1, &Service::ParseGroup}}, 551177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes {"ioprio", {2, 2, &Service::ParseIoprio}}, 552177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes {"priority", {1, 1, &Service::ParsePriority}}, 553177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes {"keycodes", {1, kMax, &Service::ParseKeycodes}}, 554177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes {"oneshot", {0, 0, &Service::ParseOneshot}}, 555177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes {"onrestart", {1, kMax, &Service::ParseOnrestart}}, 556310f6704d0dfe9ca4cfb153ce8e4212cc7596190Marco Nelissen {"oom_score_adjust", 557310f6704d0dfe9ca4cfb153ce8e4212cc7596190Marco Nelissen {1, 1, &Service::ParseOomScoreAdjust}}, 558177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes {"namespace", {1, 2, &Service::ParseNamespace}}, 559177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes {"seclabel", {1, 1, &Service::ParseSeclabel}}, 560177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes {"setenv", {2, 2, &Service::ParseSetenv}}, 561177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes {"socket", {3, 6, &Service::ParseSocket}}, 562978fd0ea254f11f84e38b41a74bbe70c81edc197Mark Salyzyn {"file", {2, 2, &Service::ParseFile}}, 563177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes {"user", {1, 1, &Service::ParseUser}}, 564177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes {"writepid", {1, kMax, &Service::ParseWritepid}}, 565b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry }; 566641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang // clang-format on 567177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes return option_parsers; 568b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 569b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 570177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obesbool Service::ParseLine(const std::vector<std::string>& args, std::string* err) { 571b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry if (args.empty()) { 572b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry *err = "option needed, but not provided"; 573b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry return false; 574b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry } 575b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 576177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes static const OptionParserMap parser_map; 577177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes auto parser = parser_map.FindFunction(args[0], args.size() - 1, err); 578b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 579177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes if (!parser) { 580b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry return false; 581b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry } 582b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 583177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes return (this->*parser)(args, err); 584b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 585b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 586b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherrybool Service::ExecStart(std::unique_ptr<Timer>* exec_waiter) { 587b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry flags_ |= SVC_EXEC | SVC_ONESHOT; 588b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry 589b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry exec_waiter->reset(new Timer); 590b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry 591b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry if (!Start()) { 592b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry exec_waiter->reset(); 593b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry return false; 594b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry } 595b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry return true; 596b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry} 597b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry 598bdeac39a42c1b9c7195ada1c30fe12f94314490fElliott Hughesbool Service::Start() { 599bac3299720623f4226bca103b26260052732ad30Tom Cherry // Starting a service removes it from the disabled or reset state and 600bac3299720623f4226bca103b26260052732ad30Tom Cherry // immediately takes it out of the restarting state if it was in there. 601bac3299720623f4226bca103b26260052732ad30Tom Cherry flags_ &= (~(SVC_DISABLED|SVC_RESTARTING|SVC_RESET|SVC_RESTART|SVC_DISABLED_START)); 602bac3299720623f4226bca103b26260052732ad30Tom Cherry 603bac3299720623f4226bca103b26260052732ad30Tom Cherry // Running processes require no additional work --- if they're in the 604bac3299720623f4226bca103b26260052732ad30Tom Cherry // process of exiting, we've ensured that they will immediately restart 605bac3299720623f4226bca103b26260052732ad30Tom Cherry // on exit, unless they are ONESHOT. 606bac3299720623f4226bca103b26260052732ad30Tom Cherry if (flags_ & SVC_RUNNING) { 607bac3299720623f4226bca103b26260052732ad30Tom Cherry return false; 608bac3299720623f4226bca103b26260052732ad30Tom Cherry } 609bac3299720623f4226bca103b26260052732ad30Tom Cherry 610bac3299720623f4226bca103b26260052732ad30Tom Cherry bool needs_console = (flags_ & SVC_CONSOLE); 61170daa67062c016eea1a30be2e1de0dcba1d23a13Viorel Suman if (needs_console) { 61270daa67062c016eea1a30be2e1de0dcba1d23a13Viorel Suman if (console_.empty()) { 61370daa67062c016eea1a30be2e1de0dcba1d23a13Viorel Suman console_ = default_console; 61470daa67062c016eea1a30be2e1de0dcba1d23a13Viorel Suman } 61570daa67062c016eea1a30be2e1de0dcba1d23a13Viorel Suman 61624ef8601c203a28b85a5e9168e5bada713e6a8f1Adrian Salido // Make sure that open call succeeds to ensure a console driver is 61724ef8601c203a28b85a5e9168e5bada713e6a8f1Adrian Salido // properly registered for the device node 61824ef8601c203a28b85a5e9168e5bada713e6a8f1Adrian Salido int console_fd = open(console_.c_str(), O_RDWR | O_CLOEXEC); 61924ef8601c203a28b85a5e9168e5bada713e6a8f1Adrian Salido if (console_fd < 0) { 62024ef8601c203a28b85a5e9168e5bada713e6a8f1Adrian Salido PLOG(ERROR) << "service '" << name_ << "' couldn't open console '" << console_ << "'"; 62170daa67062c016eea1a30be2e1de0dcba1d23a13Viorel Suman flags_ |= SVC_DISABLED; 62270daa67062c016eea1a30be2e1de0dcba1d23a13Viorel Suman return false; 62370daa67062c016eea1a30be2e1de0dcba1d23a13Viorel Suman } 62424ef8601c203a28b85a5e9168e5bada713e6a8f1Adrian Salido close(console_fd); 625bac3299720623f4226bca103b26260052732ad30Tom Cherry } 626bac3299720623f4226bca103b26260052732ad30Tom Cherry 627bac3299720623f4226bca103b26260052732ad30Tom Cherry struct stat sb; 628bac3299720623f4226bca103b26260052732ad30Tom Cherry if (stat(args_[0].c_str(), &sb) == -1) { 629f86b5a6b90619e02d1d034ef7b0adc3b439f4abbElliott Hughes PLOG(ERROR) << "cannot find '" << args_[0] << "', disabling '" << name_ << "'"; 630bac3299720623f4226bca103b26260052732ad30Tom Cherry flags_ |= SVC_DISABLED; 631bac3299720623f4226bca103b26260052732ad30Tom Cherry return false; 632bac3299720623f4226bca103b26260052732ad30Tom Cherry } 633bac3299720623f4226bca103b26260052732ad30Tom Cherry 634bac3299720623f4226bca103b26260052732ad30Tom Cherry std::string scon; 635bac3299720623f4226bca103b26260052732ad30Tom Cherry if (!seclabel_.empty()) { 636bac3299720623f4226bca103b26260052732ad30Tom Cherry scon = seclabel_; 637bac3299720623f4226bca103b26260052732ad30Tom Cherry } else { 638344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes LOG(INFO) << "computing context for service '" << name_ << "'"; 639344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes scon = ComputeContextFromExecutable(name_, args_[0]); 640344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes if (scon == "") { 641bac3299720623f4226bca103b26260052732ad30Tom Cherry return false; 642bac3299720623f4226bca103b26260052732ad30Tom Cherry } 643bac3299720623f4226bca103b26260052732ad30Tom Cherry } 644bac3299720623f4226bca103b26260052732ad30Tom Cherry 645a285dac9c0b95a0351dfa98dde60c74a1445dc57Wei Wang LOG(INFO) << "starting service '" << name_ << "'..."; 646bac3299720623f4226bca103b26260052732ad30Tom Cherry 6471b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes pid_t pid = -1; 6481b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes if (namespace_flags_) { 649344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes pid = clone(nullptr, nullptr, namespace_flags_ | SIGCHLD, nullptr); 6501b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes } else { 6511b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes pid = fork(); 6521b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes } 6531b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes 654bac3299720623f4226bca103b26260052732ad30Tom Cherry if (pid == 0) { 655bac3299720623f4226bca103b26260052732ad30Tom Cherry umask(077); 656bac3299720623f4226bca103b26260052732ad30Tom Cherry 6571b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes if (namespace_flags_ & CLONE_NEWPID) { 6581b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes // This will fork again to run an init process inside the PID 6591b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes // namespace. 6601b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes SetUpPidNamespace(name_); 6611b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes } 6621b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes 663bac3299720623f4226bca103b26260052732ad30Tom Cherry for (const auto& ei : envvars_) { 664bac3299720623f4226bca103b26260052732ad30Tom Cherry add_environment(ei.name.c_str(), ei.value.c_str()); 665bac3299720623f4226bca103b26260052732ad30Tom Cherry } 666bac3299720623f4226bca103b26260052732ad30Tom Cherry 66762767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn std::for_each(descriptors_.begin(), descriptors_.end(), 66862767fe29f8aaf62470781a3cf419ba11187d178Mark Salyzyn std::bind(&DescriptorInfo::CreateAndPublish, std::placeholders::_1, scon)); 669bac3299720623f4226bca103b26260052732ad30Tom Cherry 6700828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko // See if there were "writepid" instructions to write to files under /dev/cpuset/. 6710828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko auto cpuset_predicate = [](const std::string& path) { 6720828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko return android::base::StartsWith(path, "/dev/cpuset/"); 6730828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko }; 6740828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko auto iter = std::find_if(writepid_files_.begin(), writepid_files_.end(), cpuset_predicate); 6750828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko if (iter == writepid_files_.end()) { 6760828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko // There were no "writepid" instructions for cpusets, check if the system default 6770828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko // cpuset is specified to be used for the process. 678ccf23537eeacfa47e5f18dd3b75089886d177c1bTom Cherry std::string default_cpuset = android::base::GetProperty("ro.cpuset.default", ""); 6790828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko if (!default_cpuset.empty()) { 6800828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko // Make sure the cpuset name starts and ends with '/'. 6810828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko // A single '/' means the 'root' cpuset. 6820828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko if (default_cpuset.front() != '/') { 6830828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko default_cpuset.insert(0, 1, '/'); 6840828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko } 6850828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko if (default_cpuset.back() != '/') { 6860828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko default_cpuset.push_back('/'); 6870828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko } 6880828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko writepid_files_.push_back( 6890828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko StringPrintf("/dev/cpuset%stasks", default_cpuset.c_str())); 6900828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko } 6910828676dff618c8ecc9852cb319543570b3a2e72Alex Vakulenko } 692b702b46f688bc3ba7f8dc2d35c6eb25482366c4cAnestis Bechtsoudis std::string pid_str = StringPrintf("%d", getpid()); 693bac3299720623f4226bca103b26260052732ad30Tom Cherry for (const auto& file : writepid_files_) { 694b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry if (!WriteStringToFile(pid_str, file)) { 695f86b5a6b90619e02d1d034ef7b0adc3b439f4abbElliott Hughes PLOG(ERROR) << "couldn't write " << pid_str << " to " << file; 696bac3299720623f4226bca103b26260052732ad30Tom Cherry } 697bac3299720623f4226bca103b26260052732ad30Tom Cherry } 698bac3299720623f4226bca103b26260052732ad30Tom Cherry 699bac3299720623f4226bca103b26260052732ad30Tom Cherry if (ioprio_class_ != IoSchedClass_NONE) { 700bac3299720623f4226bca103b26260052732ad30Tom Cherry if (android_set_ioprio(getpid(), ioprio_class_, ioprio_pri_)) { 701344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes PLOG(ERROR) << "failed to set pid " << getpid() 702f86b5a6b90619e02d1d034ef7b0adc3b439f4abbElliott Hughes << " ioprio=" << ioprio_class_ << "," << ioprio_pri_; 703bac3299720623f4226bca103b26260052732ad30Tom Cherry } 704bac3299720623f4226bca103b26260052732ad30Tom Cherry } 705bac3299720623f4226bca103b26260052732ad30Tom Cherry 706bac3299720623f4226bca103b26260052732ad30Tom Cherry if (needs_console) { 707bac3299720623f4226bca103b26260052732ad30Tom Cherry setsid(); 708bac3299720623f4226bca103b26260052732ad30Tom Cherry OpenConsole(); 709bac3299720623f4226bca103b26260052732ad30Tom Cherry } else { 710bac3299720623f4226bca103b26260052732ad30Tom Cherry ZapStdio(); 711bac3299720623f4226bca103b26260052732ad30Tom Cherry } 712bac3299720623f4226bca103b26260052732ad30Tom Cherry 713344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes // As requested, set our gid, supplemental gids, uid, context, and 714344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes // priority. Aborts on failure. 715344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes SetProcessAttributes(); 716bac3299720623f4226bca103b26260052732ad30Tom Cherry 717bac3299720623f4226bca103b26260052732ad30Tom Cherry std::vector<char*> strs; 718344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes ExpandArgs(args_, &strs); 719bac3536cc949b3af0185e7b8f9b18318b37ac8b0Tom Cherry if (execve(strs[0], (char**) &strs[0], (char**) ENV) < 0) { 720f86b5a6b90619e02d1d034ef7b0adc3b439f4abbElliott Hughes PLOG(ERROR) << "cannot execve('" << strs[0] << "')"; 721bac3299720623f4226bca103b26260052732ad30Tom Cherry } 722bac3299720623f4226bca103b26260052732ad30Tom Cherry 723bac3299720623f4226bca103b26260052732ad30Tom Cherry _exit(127); 724bac3299720623f4226bca103b26260052732ad30Tom Cherry } 725bac3299720623f4226bca103b26260052732ad30Tom Cherry 726bac3299720623f4226bca103b26260052732ad30Tom Cherry if (pid < 0) { 727f86b5a6b90619e02d1d034ef7b0adc3b439f4abbElliott Hughes PLOG(ERROR) << "failed to fork for '" << name_ << "'"; 728bac3299720623f4226bca103b26260052732ad30Tom Cherry pid_ = 0; 729bac3299720623f4226bca103b26260052732ad30Tom Cherry return false; 730bac3299720623f4226bca103b26260052732ad30Tom Cherry } 731bac3299720623f4226bca103b26260052732ad30Tom Cherry 732310f6704d0dfe9ca4cfb153ce8e4212cc7596190Marco Nelissen if (oom_score_adjust_ != -1000) { 733310f6704d0dfe9ca4cfb153ce8e4212cc7596190Marco Nelissen std::string oom_str = StringPrintf("%d", oom_score_adjust_); 734310f6704d0dfe9ca4cfb153ce8e4212cc7596190Marco Nelissen std::string oom_file = StringPrintf("/proc/%d/oom_score_adj", pid); 735310f6704d0dfe9ca4cfb153ce8e4212cc7596190Marco Nelissen if (!WriteStringToFile(oom_str, oom_file)) { 736310f6704d0dfe9ca4cfb153ce8e4212cc7596190Marco Nelissen PLOG(ERROR) << "couldn't write oom_score_adj: " << strerror(errno); 737310f6704d0dfe9ca4cfb153ce8e4212cc7596190Marco Nelissen } 738310f6704d0dfe9ca4cfb153ce8e4212cc7596190Marco Nelissen } 739310f6704d0dfe9ca4cfb153ce8e4212cc7596190Marco Nelissen 7409605a945f7a497c0307b512b9cd762f2d23973caElliott Hughes time_started_ = boot_clock::now(); 741bac3299720623f4226bca103b26260052732ad30Tom Cherry pid_ = pid; 742bac3299720623f4226bca103b26260052732ad30Tom Cherry flags_ |= SVC_RUNNING; 743ad8e94e017173471e90c704eb7d8de5a14712aa7Elliott Hughes 744ad8e94e017173471e90c704eb7d8de5a14712aa7Elliott Hughes errno = -createProcessGroup(uid_, pid_); 745ad8e94e017173471e90c704eb7d8de5a14712aa7Elliott Hughes if (errno != 0) { 746344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes PLOG(ERROR) << "createProcessGroup(" << uid_ << ", " << pid_ << ") failed for service '" 747344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes << name_ << "'"; 748ad8e94e017173471e90c704eb7d8de5a14712aa7Elliott Hughes } 749bac3299720623f4226bca103b26260052732ad30Tom Cherry 750bac3299720623f4226bca103b26260052732ad30Tom Cherry if ((flags_ & SVC_EXEC) != 0) { 751344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes LOG(INFO) << android::base::StringPrintf( 752344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes "SVC_EXEC pid %d (uid %d gid %d+%zu context %s) started; waiting...", pid_, uid_, gid_, 753344d01f99f6049565e4342b4c4202bd9ab96340bJorge Lucangeli Obes supp_gids_.size(), !seclabel_.empty() ? seclabel_.c_str() : "default"); 754bac3299720623f4226bca103b26260052732ad30Tom Cherry } 755bac3299720623f4226bca103b26260052732ad30Tom Cherry 756bac3299720623f4226bca103b26260052732ad30Tom Cherry NotifyStateChange("running"); 757bac3299720623f4226bca103b26260052732ad30Tom Cherry return true; 758bac3299720623f4226bca103b26260052732ad30Tom Cherry} 759bac3299720623f4226bca103b26260052732ad30Tom Cherry 760bac3299720623f4226bca103b26260052732ad30Tom Cherrybool Service::StartIfNotDisabled() { 761bac3299720623f4226bca103b26260052732ad30Tom Cherry if (!(flags_ & SVC_DISABLED)) { 762bac3299720623f4226bca103b26260052732ad30Tom Cherry return Start(); 763bac3299720623f4226bca103b26260052732ad30Tom Cherry } else { 764bac3299720623f4226bca103b26260052732ad30Tom Cherry flags_ |= SVC_DISABLED_START; 765bac3299720623f4226bca103b26260052732ad30Tom Cherry } 766bac3299720623f4226bca103b26260052732ad30Tom Cherry return true; 767bac3299720623f4226bca103b26260052732ad30Tom Cherry} 768bac3299720623f4226bca103b26260052732ad30Tom Cherry 769bac3299720623f4226bca103b26260052732ad30Tom Cherrybool Service::Enable() { 770bac3299720623f4226bca103b26260052732ad30Tom Cherry flags_ &= ~(SVC_DISABLED | SVC_RC_DISABLED); 771bac3299720623f4226bca103b26260052732ad30Tom Cherry if (flags_ & SVC_DISABLED_START) { 772bac3299720623f4226bca103b26260052732ad30Tom Cherry return Start(); 773bac3299720623f4226bca103b26260052732ad30Tom Cherry } 774bac3299720623f4226bca103b26260052732ad30Tom Cherry return true; 775bac3299720623f4226bca103b26260052732ad30Tom Cherry} 776bac3299720623f4226bca103b26260052732ad30Tom Cherry 777bac3299720623f4226bca103b26260052732ad30Tom Cherryvoid Service::Reset() { 778bac3299720623f4226bca103b26260052732ad30Tom Cherry StopOrReset(SVC_RESET); 779bac3299720623f4226bca103b26260052732ad30Tom Cherry} 780bac3299720623f4226bca103b26260052732ad30Tom Cherry 781bac3299720623f4226bca103b26260052732ad30Tom Cherryvoid Service::Stop() { 782bac3299720623f4226bca103b26260052732ad30Tom Cherry StopOrReset(SVC_DISABLED); 783bac3299720623f4226bca103b26260052732ad30Tom Cherry} 784bac3299720623f4226bca103b26260052732ad30Tom Cherry 785b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNETvoid Service::Terminate() { 786b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET flags_ &= ~(SVC_RESTARTING | SVC_DISABLED_START); 787b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET flags_ |= SVC_DISABLED; 788b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET if (pid_) { 789ad8e94e017173471e90c704eb7d8de5a14712aa7Elliott Hughes KillProcessGroup(SIGTERM); 790b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET NotifyStateChange("stopping"); 791b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET } 792b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET} 793b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET 794bac3299720623f4226bca103b26260052732ad30Tom Cherryvoid Service::Restart() { 795bac3299720623f4226bca103b26260052732ad30Tom Cherry if (flags_ & SVC_RUNNING) { 796bac3299720623f4226bca103b26260052732ad30Tom Cherry /* Stop, wait, then start the service. */ 797bac3299720623f4226bca103b26260052732ad30Tom Cherry StopOrReset(SVC_RESTART); 798bac3299720623f4226bca103b26260052732ad30Tom Cherry } else if (!(flags_ & SVC_RESTARTING)) { 799bac3299720623f4226bca103b26260052732ad30Tom Cherry /* Just start the service since it's not running. */ 800bac3299720623f4226bca103b26260052732ad30Tom Cherry Start(); 801bac3299720623f4226bca103b26260052732ad30Tom Cherry } /* else: Service is restarting anyways. */ 802bac3299720623f4226bca103b26260052732ad30Tom Cherry} 803bac3299720623f4226bca103b26260052732ad30Tom Cherry 8049605a945f7a497c0307b512b9cd762f2d23973caElliott Hughesvoid Service::RestartIfNeeded(time_t* process_needs_restart_at) { 8059605a945f7a497c0307b512b9cd762f2d23973caElliott Hughes boot_clock::time_point now = boot_clock::now(); 8069605a945f7a497c0307b512b9cd762f2d23973caElliott Hughes boot_clock::time_point next_start = time_started_ + 5s; 8079605a945f7a497c0307b512b9cd762f2d23973caElliott Hughes if (now > next_start) { 808bac3299720623f4226bca103b26260052732ad30Tom Cherry flags_ &= (~SVC_RESTARTING); 809bac3299720623f4226bca103b26260052732ad30Tom Cherry Start(); 810bac3299720623f4226bca103b26260052732ad30Tom Cherry return; 811bac3299720623f4226bca103b26260052732ad30Tom Cherry } 812bac3299720623f4226bca103b26260052732ad30Tom Cherry 8139605a945f7a497c0307b512b9cd762f2d23973caElliott Hughes time_t next_start_time_t = time(nullptr) + 8149605a945f7a497c0307b512b9cd762f2d23973caElliott Hughes time_t(std::chrono::duration_cast<std::chrono::seconds>(next_start - now).count()); 8159605a945f7a497c0307b512b9cd762f2d23973caElliott Hughes if (next_start_time_t < *process_needs_restart_at || *process_needs_restart_at == 0) { 8169605a945f7a497c0307b512b9cd762f2d23973caElliott Hughes *process_needs_restart_at = next_start_time_t; 817bac3299720623f4226bca103b26260052732ad30Tom Cherry } 818bac3299720623f4226bca103b26260052732ad30Tom Cherry} 819bac3299720623f4226bca103b26260052732ad30Tom Cherry 820ad8e94e017173471e90c704eb7d8de5a14712aa7Elliott Hughes// The how field should be either SVC_DISABLED, SVC_RESET, or SVC_RESTART. 821bac3299720623f4226bca103b26260052732ad30Tom Cherryvoid Service::StopOrReset(int how) { 822ad8e94e017173471e90c704eb7d8de5a14712aa7Elliott Hughes // The service is still SVC_RUNNING until its process exits, but if it has 823ad8e94e017173471e90c704eb7d8de5a14712aa7Elliott Hughes // already exited it shoudn't attempt a restart yet. 824bac3299720623f4226bca103b26260052732ad30Tom Cherry flags_ &= ~(SVC_RESTARTING | SVC_DISABLED_START); 825bac3299720623f4226bca103b26260052732ad30Tom Cherry 826bac3299720623f4226bca103b26260052732ad30Tom Cherry if ((how != SVC_DISABLED) && (how != SVC_RESET) && (how != SVC_RESTART)) { 827ad8e94e017173471e90c704eb7d8de5a14712aa7Elliott Hughes // An illegal flag: default to SVC_DISABLED. 828bac3299720623f4226bca103b26260052732ad30Tom Cherry how = SVC_DISABLED; 829bac3299720623f4226bca103b26260052732ad30Tom Cherry } 830ad8e94e017173471e90c704eb7d8de5a14712aa7Elliott Hughes 831ad8e94e017173471e90c704eb7d8de5a14712aa7Elliott Hughes // If the service has not yet started, prevent it from auto-starting with its class. 832bac3299720623f4226bca103b26260052732ad30Tom Cherry if (how == SVC_RESET) { 833bac3299720623f4226bca103b26260052732ad30Tom Cherry flags_ |= (flags_ & SVC_RC_DISABLED) ? SVC_DISABLED : SVC_RESET; 834bac3299720623f4226bca103b26260052732ad30Tom Cherry } else { 835bac3299720623f4226bca103b26260052732ad30Tom Cherry flags_ |= how; 836bac3299720623f4226bca103b26260052732ad30Tom Cherry } 837bac3299720623f4226bca103b26260052732ad30Tom Cherry 838bac3299720623f4226bca103b26260052732ad30Tom Cherry if (pid_) { 839ad8e94e017173471e90c704eb7d8de5a14712aa7Elliott Hughes KillProcessGroup(SIGKILL); 840bac3299720623f4226bca103b26260052732ad30Tom Cherry NotifyStateChange("stopping"); 841bac3299720623f4226bca103b26260052732ad30Tom Cherry } else { 842bac3299720623f4226bca103b26260052732ad30Tom Cherry NotifyStateChange("stopped"); 843bac3299720623f4226bca103b26260052732ad30Tom Cherry } 844bac3299720623f4226bca103b26260052732ad30Tom Cherry} 845bac3299720623f4226bca103b26260052732ad30Tom Cherry 846bac3299720623f4226bca103b26260052732ad30Tom Cherryvoid Service::ZapStdio() const { 847bac3299720623f4226bca103b26260052732ad30Tom Cherry int fd; 848bac3299720623f4226bca103b26260052732ad30Tom Cherry fd = open("/dev/null", O_RDWR); 849bac3299720623f4226bca103b26260052732ad30Tom Cherry dup2(fd, 0); 850bac3299720623f4226bca103b26260052732ad30Tom Cherry dup2(fd, 1); 851bac3299720623f4226bca103b26260052732ad30Tom Cherry dup2(fd, 2); 852bac3299720623f4226bca103b26260052732ad30Tom Cherry close(fd); 853bac3299720623f4226bca103b26260052732ad30Tom Cherry} 854bac3299720623f4226bca103b26260052732ad30Tom Cherry 855bac3299720623f4226bca103b26260052732ad30Tom Cherryvoid Service::OpenConsole() const { 85670daa67062c016eea1a30be2e1de0dcba1d23a13Viorel Suman int fd = open(console_.c_str(), O_RDWR); 85770daa67062c016eea1a30be2e1de0dcba1d23a13Viorel Suman if (fd == -1) fd = open("/dev/null", O_RDWR); 858bac3299720623f4226bca103b26260052732ad30Tom Cherry ioctl(fd, TIOCSCTTY, 0); 859bac3299720623f4226bca103b26260052732ad30Tom Cherry dup2(fd, 0); 860bac3299720623f4226bca103b26260052732ad30Tom Cherry dup2(fd, 1); 861bac3299720623f4226bca103b26260052732ad30Tom Cherry dup2(fd, 2); 862bac3299720623f4226bca103b26260052732ad30Tom Cherry close(fd); 863bac3299720623f4226bca103b26260052732ad30Tom Cherry} 864bac3299720623f4226bca103b26260052732ad30Tom Cherry 865bac3299720623f4226bca103b26260052732ad30Tom Cherryint ServiceManager::exec_count_ = 0; 866bac3299720623f4226bca103b26260052732ad30Tom Cherry 867bac3299720623f4226bca103b26260052732ad30Tom CherryServiceManager::ServiceManager() { 868bac3299720623f4226bca103b26260052732ad30Tom Cherry} 869bac3299720623f4226bca103b26260052732ad30Tom Cherry 870bac3299720623f4226bca103b26260052732ad30Tom CherryServiceManager& ServiceManager::GetInstance() { 871bac3299720623f4226bca103b26260052732ad30Tom Cherry static ServiceManager instance; 872bac3299720623f4226bca103b26260052732ad30Tom Cherry return instance; 873bac3299720623f4226bca103b26260052732ad30Tom Cherry} 874bac3299720623f4226bca103b26260052732ad30Tom Cherry 875b7349902a945903f9e36a569051f5131beb0bc24Tom Cherryvoid ServiceManager::AddService(std::unique_ptr<Service> service) { 876b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry Service* old_service = FindServiceByName(service->name()); 877b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry if (old_service) { 878f86b5a6b90619e02d1d034ef7b0adc3b439f4abbElliott Hughes LOG(ERROR) << "ignored duplicate definition of service '" << service->name() << "'"; 879b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry return; 880bac3299720623f4226bca103b26260052732ad30Tom Cherry } 881b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry services_.emplace_back(std::move(service)); 882bac3299720623f4226bca103b26260052732ad30Tom Cherry} 883bac3299720623f4226bca103b26260052732ad30Tom Cherry 884b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherrybool ServiceManager::Exec(const std::vector<std::string>& args) { 885b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry Service* svc = MakeExecOneshotService(args); 886b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry if (!svc) { 887b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry LOG(ERROR) << "Could not create exec service"; 888b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry return false; 889b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry } 890b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry if (!svc->ExecStart(&exec_waiter_)) { 891b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry LOG(ERROR) << "Could not start exec service"; 892b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry ServiceManager::GetInstance().RemoveService(*svc); 893b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry return false; 894b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry } 895b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry return true; 896b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry} 897b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry 898b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherrybool ServiceManager::ExecStart(const std::string& name) { 899b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry Service* svc = FindServiceByName(name); 900b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry if (!svc) { 901b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry LOG(ERROR) << "ExecStart(" << name << "): Service not found"; 902b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry return false; 903b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry } 904b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry if (!svc->ExecStart(&exec_waiter_)) { 905b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry LOG(ERROR) << "ExecStart(" << name << "): Could not start Service"; 906b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry return false; 907b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry } 908b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry return true; 909b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry} 910b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry 911b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherrybool ServiceManager::IsWaitingForExec() const { return exec_waiter_ != nullptr; } 912b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry 913bac3299720623f4226bca103b26260052732ad30Tom CherryService* ServiceManager::MakeExecOneshotService(const std::vector<std::string>& args) { 914bac3299720623f4226bca103b26260052732ad30Tom Cherry // Parse the arguments: exec [SECLABEL [UID [GID]*] --] COMMAND ARGS... 915bac3299720623f4226bca103b26260052732ad30Tom Cherry // SECLABEL can be a - to denote default 916bac3299720623f4226bca103b26260052732ad30Tom Cherry std::size_t command_arg = 1; 917bac3299720623f4226bca103b26260052732ad30Tom Cherry for (std::size_t i = 1; i < args.size(); ++i) { 918bac3299720623f4226bca103b26260052732ad30Tom Cherry if (args[i] == "--") { 919bac3299720623f4226bca103b26260052732ad30Tom Cherry command_arg = i + 1; 920bac3299720623f4226bca103b26260052732ad30Tom Cherry break; 921bac3299720623f4226bca103b26260052732ad30Tom Cherry } 922bac3299720623f4226bca103b26260052732ad30Tom Cherry } 923bac3299720623f4226bca103b26260052732ad30Tom Cherry if (command_arg > 4 + NR_SVC_SUPP_GIDS) { 924f86b5a6b90619e02d1d034ef7b0adc3b439f4abbElliott Hughes LOG(ERROR) << "exec called with too many supplementary group ids"; 925bac3299720623f4226bca103b26260052732ad30Tom Cherry return nullptr; 926bac3299720623f4226bca103b26260052732ad30Tom Cherry } 927bac3299720623f4226bca103b26260052732ad30Tom Cherry 928bac3299720623f4226bca103b26260052732ad30Tom Cherry if (command_arg >= args.size()) { 929f86b5a6b90619e02d1d034ef7b0adc3b439f4abbElliott Hughes LOG(ERROR) << "exec called without command"; 930bac3299720623f4226bca103b26260052732ad30Tom Cherry return nullptr; 931bac3299720623f4226bca103b26260052732ad30Tom Cherry } 932bac3299720623f4226bca103b26260052732ad30Tom Cherry std::vector<std::string> str_args(args.begin() + command_arg, args.end()); 933bac3299720623f4226bca103b26260052732ad30Tom Cherry 934bac3299720623f4226bca103b26260052732ad30Tom Cherry exec_count_++; 935b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry std::string name = StringPrintf("exec %d (%s)", exec_count_, str_args[0].c_str()); 936b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry unsigned flags = SVC_EXEC | SVC_ONESHOT | SVC_TEMPORARY; 93724b29132a017f7fbfd009c3e6aec499d1b815dbfJorge Lucangeli Obes CapSet no_capabilities; 9381b3fa3d6506d04570aab60147b0ec743e38c8796Jorge Lucangeli Obes unsigned namespace_flags = 0; 939bac3299720623f4226bca103b26260052732ad30Tom Cherry 940bac3299720623f4226bca103b26260052732ad30Tom Cherry std::string seclabel = ""; 941bac3299720623f4226bca103b26260052732ad30Tom Cherry if (command_arg > 2 && args[1] != "-") { 942bac3299720623f4226bca103b26260052732ad30Tom Cherry seclabel = args[1]; 943bac3299720623f4226bca103b26260052732ad30Tom Cherry } 944bac3299720623f4226bca103b26260052732ad30Tom Cherry uid_t uid = 0; 945bac3299720623f4226bca103b26260052732ad30Tom Cherry if (command_arg > 3) { 946bac3299720623f4226bca103b26260052732ad30Tom Cherry uid = decode_uid(args[2].c_str()); 947bac3299720623f4226bca103b26260052732ad30Tom Cherry } 948bac3299720623f4226bca103b26260052732ad30Tom Cherry gid_t gid = 0; 949bac3299720623f4226bca103b26260052732ad30Tom Cherry std::vector<gid_t> supp_gids; 950bac3299720623f4226bca103b26260052732ad30Tom Cherry if (command_arg > 4) { 951bac3299720623f4226bca103b26260052732ad30Tom Cherry gid = decode_uid(args[3].c_str()); 952bac3299720623f4226bca103b26260052732ad30Tom Cherry std::size_t nr_supp_gids = command_arg - 1 /* -- */ - 4 /* exec SECLABEL UID GID */; 953bac3299720623f4226bca103b26260052732ad30Tom Cherry for (size_t i = 0; i < nr_supp_gids; ++i) { 954bac3299720623f4226bca103b26260052732ad30Tom Cherry supp_gids.push_back(decode_uid(args[4 + i].c_str())); 955bac3299720623f4226bca103b26260052732ad30Tom Cherry } 956bac3299720623f4226bca103b26260052732ad30Tom Cherry } 957bac3299720623f4226bca103b26260052732ad30Tom Cherry 958641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang auto svc_p = std::make_unique<Service>(name, flags, uid, gid, supp_gids, no_capabilities, 959641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang namespace_flags, seclabel, str_args); 960bac3299720623f4226bca103b26260052732ad30Tom Cherry Service* svc = svc_p.get(); 9619bdddd713af925a4be161f65e5fd66eccc8bd1ebTom Cherry services_.emplace_back(std::move(svc_p)); 962bac3299720623f4226bca103b26260052732ad30Tom Cherry 963bac3299720623f4226bca103b26260052732ad30Tom Cherry return svc; 964bac3299720623f4226bca103b26260052732ad30Tom Cherry} 965bac3299720623f4226bca103b26260052732ad30Tom Cherry 966bac3299720623f4226bca103b26260052732ad30Tom CherryService* ServiceManager::FindServiceByName(const std::string& name) const { 967bac3299720623f4226bca103b26260052732ad30Tom Cherry auto svc = std::find_if(services_.begin(), services_.end(), 968bac3299720623f4226bca103b26260052732ad30Tom Cherry [&name] (const std::unique_ptr<Service>& s) { 969bac3299720623f4226bca103b26260052732ad30Tom Cherry return name == s->name(); 970bac3299720623f4226bca103b26260052732ad30Tom Cherry }); 971bac3299720623f4226bca103b26260052732ad30Tom Cherry if (svc != services_.end()) { 972bac3299720623f4226bca103b26260052732ad30Tom Cherry return svc->get(); 973bac3299720623f4226bca103b26260052732ad30Tom Cherry } 974bac3299720623f4226bca103b26260052732ad30Tom Cherry return nullptr; 975bac3299720623f4226bca103b26260052732ad30Tom Cherry} 976bac3299720623f4226bca103b26260052732ad30Tom Cherry 977bac3299720623f4226bca103b26260052732ad30Tom CherryService* ServiceManager::FindServiceByPid(pid_t pid) const { 978bac3299720623f4226bca103b26260052732ad30Tom Cherry auto svc = std::find_if(services_.begin(), services_.end(), 979bac3299720623f4226bca103b26260052732ad30Tom Cherry [&pid] (const std::unique_ptr<Service>& s) { 980bac3299720623f4226bca103b26260052732ad30Tom Cherry return s->pid() == pid; 981bac3299720623f4226bca103b26260052732ad30Tom Cherry }); 982bac3299720623f4226bca103b26260052732ad30Tom Cherry if (svc != services_.end()) { 983bac3299720623f4226bca103b26260052732ad30Tom Cherry return svc->get(); 984bac3299720623f4226bca103b26260052732ad30Tom Cherry } 985bac3299720623f4226bca103b26260052732ad30Tom Cherry return nullptr; 986bac3299720623f4226bca103b26260052732ad30Tom Cherry} 987bac3299720623f4226bca103b26260052732ad30Tom Cherry 988bac3299720623f4226bca103b26260052732ad30Tom CherryService* ServiceManager::FindServiceByKeychord(int keychord_id) const { 989bac3299720623f4226bca103b26260052732ad30Tom Cherry auto svc = std::find_if(services_.begin(), services_.end(), 990bac3299720623f4226bca103b26260052732ad30Tom Cherry [&keychord_id] (const std::unique_ptr<Service>& s) { 991bac3299720623f4226bca103b26260052732ad30Tom Cherry return s->keychord_id() == keychord_id; 992bac3299720623f4226bca103b26260052732ad30Tom Cherry }); 993bac3299720623f4226bca103b26260052732ad30Tom Cherry 994bac3299720623f4226bca103b26260052732ad30Tom Cherry if (svc != services_.end()) { 995bac3299720623f4226bca103b26260052732ad30Tom Cherry return svc->get(); 996bac3299720623f4226bca103b26260052732ad30Tom Cherry } 997bac3299720623f4226bca103b26260052732ad30Tom Cherry return nullptr; 998bac3299720623f4226bca103b26260052732ad30Tom Cherry} 999bac3299720623f4226bca103b26260052732ad30Tom Cherry 10008f7b9e3d39cdae8363816aa7bcbab0d79fd70ceaChih-Hung Hsiehvoid ServiceManager::ForEachService(const std::function<void(Service*)>& callback) const { 1001bac3299720623f4226bca103b26260052732ad30Tom Cherry for (const auto& s : services_) { 1002b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET callback(s.get()); 1003bac3299720623f4226bca103b26260052732ad30Tom Cherry } 1004bac3299720623f4226bca103b26260052732ad30Tom Cherry} 1005bac3299720623f4226bca103b26260052732ad30Tom Cherry 1006bac3299720623f4226bca103b26260052732ad30Tom Cherryvoid ServiceManager::ForEachServiceInClass(const std::string& classname, 1007bac3299720623f4226bca103b26260052732ad30Tom Cherry void (*func)(Service* svc)) const { 1008bac3299720623f4226bca103b26260052732ad30Tom Cherry for (const auto& s : services_) { 1009641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang if (s->classnames().find(classname) != s->classnames().end()) { 1010bac3299720623f4226bca103b26260052732ad30Tom Cherry func(s.get()); 1011bac3299720623f4226bca103b26260052732ad30Tom Cherry } 1012bac3299720623f4226bca103b26260052732ad30Tom Cherry } 1013bac3299720623f4226bca103b26260052732ad30Tom Cherry} 1014bac3299720623f4226bca103b26260052732ad30Tom Cherry 1015bac3299720623f4226bca103b26260052732ad30Tom Cherryvoid ServiceManager::ForEachServiceWithFlags(unsigned matchflags, 1016bac3299720623f4226bca103b26260052732ad30Tom Cherry void (*func)(Service* svc)) const { 1017bac3299720623f4226bca103b26260052732ad30Tom Cherry for (const auto& s : services_) { 1018bac3299720623f4226bca103b26260052732ad30Tom Cherry if (s->flags() & matchflags) { 1019bac3299720623f4226bca103b26260052732ad30Tom Cherry func(s.get()); 1020bac3299720623f4226bca103b26260052732ad30Tom Cherry } 1021bac3299720623f4226bca103b26260052732ad30Tom Cherry } 1022bac3299720623f4226bca103b26260052732ad30Tom Cherry} 1023bac3299720623f4226bca103b26260052732ad30Tom Cherry 1024b7349902a945903f9e36a569051f5131beb0bc24Tom Cherryvoid ServiceManager::RemoveService(const Service& svc) { 1025bac3299720623f4226bca103b26260052732ad30Tom Cherry auto svc_it = std::find_if(services_.begin(), services_.end(), 1026bac3299720623f4226bca103b26260052732ad30Tom Cherry [&svc] (const std::unique_ptr<Service>& s) { 1027bac3299720623f4226bca103b26260052732ad30Tom Cherry return svc.name() == s->name(); 1028bac3299720623f4226bca103b26260052732ad30Tom Cherry }); 1029bac3299720623f4226bca103b26260052732ad30Tom Cherry if (svc_it == services_.end()) { 1030bac3299720623f4226bca103b26260052732ad30Tom Cherry return; 1031bac3299720623f4226bca103b26260052732ad30Tom Cherry } 1032bac3299720623f4226bca103b26260052732ad30Tom Cherry 1033bac3299720623f4226bca103b26260052732ad30Tom Cherry services_.erase(svc_it); 1034bac3299720623f4226bca103b26260052732ad30Tom Cherry} 1035bac3299720623f4226bca103b26260052732ad30Tom Cherry 1036b7349902a945903f9e36a569051f5131beb0bc24Tom Cherryvoid ServiceManager::DumpState() const { 1037b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry for (const auto& s : services_) { 1038b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry s->DumpState(); 1039b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry } 1040b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 1041b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 1042b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNETbool ServiceManager::ReapOneProcess() { 1043b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET int status; 1044b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET pid_t pid = TEMP_FAILURE_RETRY(waitpid(-1, &status, WNOHANG)); 1045b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET if (pid == 0) { 1046b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET return false; 1047b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET } else if (pid == -1) { 1048f86b5a6b90619e02d1d034ef7b0adc3b439f4abbElliott Hughes PLOG(ERROR) << "waitpid failed"; 1049b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET return false; 1050b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET } 1051b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET 1052b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET Service* svc = FindServiceByPid(pid); 1053b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET 1054b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET std::string name; 1055b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET if (svc) { 1056b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET name = android::base::StringPrintf("Service '%s' (pid %d)", 1057b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET svc->name().c_str(), pid); 1058b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET } else { 1059b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET name = android::base::StringPrintf("Untracked pid %d", pid); 1060b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET } 1061b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET 1062b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET if (WIFEXITED(status)) { 1063a285dac9c0b95a0351dfa98dde60c74a1445dc57Wei Wang LOG(INFO) << name << " exited with status " << WEXITSTATUS(status); 1064b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET } else if (WIFSIGNALED(status)) { 1065a285dac9c0b95a0351dfa98dde60c74a1445dc57Wei Wang LOG(INFO) << name << " killed by signal " << WTERMSIG(status); 1066b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET } else if (WIFSTOPPED(status)) { 1067a285dac9c0b95a0351dfa98dde60c74a1445dc57Wei Wang LOG(INFO) << name << " stopped by signal " << WSTOPSIG(status); 1068b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET } else { 1069a285dac9c0b95a0351dfa98dde60c74a1445dc57Wei Wang LOG(INFO) << name << " state changed"; 1070b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET } 1071b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET 1072b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET if (!svc) { 1073b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET return true; 1074b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET } 1075b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET 1076b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry svc->Reap(); 1077b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry 1078b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry if (svc->flags() & SVC_EXEC) { 1079b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry LOG(INFO) << "Wait for exec took " << *exec_waiter_; 1080b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry exec_waiter_.reset(); 1081b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry } 1082b27004aa05039b5196f1e878169dca41b68aadd6Tom Cherry if (svc->flags() & SVC_TEMPORARY) { 1083b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET RemoveService(*svc); 1084b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET } 1085b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET 1086b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET return true; 1087b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET} 1088b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET 1089b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNETvoid ServiceManager::ReapAnyOutstandingChildren() { 1090b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET while (ReapOneProcess()) { 1091b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET } 1092b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET} 1093b7e03e82b89a30b09fea88eaf2a5638df1017cf6Bertrand SIMONNET 1094b7349902a945903f9e36a569051f5131beb0bc24Tom Cherrybool ServiceParser::ParseSection(const std::vector<std::string>& args, 1095b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry std::string* err) { 1096b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry if (args.size() < 3) { 1097b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry *err = "services must have a name and a program"; 1098b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry return false; 1099b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry } 1100b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 1101b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry const std::string& name = args[1]; 1102b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry if (!IsValidName(name)) { 1103b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry *err = StringPrintf("invalid service name '%s'", name.c_str()); 1104b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry return false; 1105b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry } 1106b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 1107b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry std::vector<std::string> str_args(args.begin() + 2, args.end()); 1108641ff0a4d8d05349d9c22f726a035a2936a2a94dWei Wang service_ = std::make_unique<Service>(name, str_args); 1109b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry return true; 1110b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 1111b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 1112b7349902a945903f9e36a569051f5131beb0bc24Tom Cherrybool ServiceParser::ParseLineSection(const std::vector<std::string>& args, 1113b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry const std::string& filename, int line, 1114b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry std::string* err) const { 1115177b27d4f5bfa498cc46aad24d9375d65630bea0Jorge Lucangeli Obes return service_ ? service_->ParseLine(args, err) : false; 1116b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 1117b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 1118b7349902a945903f9e36a569051f5131beb0bc24Tom Cherryvoid ServiceParser::EndSection() { 1119b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry if (service_) { 1120b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry ServiceManager::GetInstance().AddService(std::move(service_)); 1121b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry } 1122b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry} 1123b7349902a945903f9e36a569051f5131beb0bc24Tom Cherry 1124b7349902a945903f9e36a569051f5131beb0bc24Tom Cherrybool ServiceParser::IsValidName(const std::string& name) const { 1125b7788fd454da2201c6e48dededa9b11873ef621eElliott Hughes // Property names can be any length, but may only contain certain characters. 1126b7788fd454da2201c6e48dededa9b11873ef621eElliott Hughes // Property values can contain any characters, but may only be a certain length. 1127b7788fd454da2201c6e48dededa9b11873ef621eElliott Hughes // (The latter restriction is needed because `start` and `stop` work by writing 1128b7788fd454da2201c6e48dededa9b11873ef621eElliott Hughes // the service name to the "ctl.start" and "ctl.stop" properties.) 1129b7788fd454da2201c6e48dededa9b11873ef621eElliott Hughes return is_legal_property_name("init.svc." + name) && name.size() <= PROP_VALUE_MAX; 1130bac3299720623f4226bca103b26260052732ad30Tom Cherry} 1131