#include <iostream>
#include <list>
+#include <limits>
+#include <csignal>
+#include <cstring>
+#include <utility>
+
+#include <sys/types.h>
+#include <sys/time.h>
+#include <sys/resource.h>
+#include <grp.h>
+#include <pwd.h>
+
+#include "dinit-utmp.h"
+#include "dinit-util.h"
+
+struct service_flags_t
+{
+ // on-start flags:
+ bool rw_ready : 1; // file system should be writable once this service starts
+ bool log_ready : 1; // syslog should be available once this service starts
+
+ // Other service options flags:
+ bool no_sigterm : 1; // do not send SIGTERM
+ bool runs_on_console : 1; // run "in the foreground"
+ bool starts_on_console : 1; // starts in the foreground
+ bool shares_console : 1; // run on console, but not exclusively
+ bool pass_cs_fd : 1; // pass this service a control socket connection via fd
+ bool start_interruptible : 1; // the startup of this service process is ok to interrupt with SIGINT
+ bool skippable : 1; // if interrupted the service is skipped (scripted services)
+ bool signal_process_only : 1; // signal the session process, not the whole group
+
+ service_flags_t() noexcept : rw_ready(false), log_ready(false), no_sigterm(false),
+ runs_on_console(false), starts_on_console(false), shares_console(false),
+ pass_cs_fd(false), start_interruptible(false), skippable(false), signal_process_only(false)
+ {
+ }
+};
+
+// Resource limits for a particular service & particular resource
+struct service_rlimits
+{
+ int resource_id; // RLIMIT_xxx identifying resource
+ bool soft_set : 1;
+ bool hard_set : 1;
+ struct rlimit limits;
+
+ service_rlimits(int id) : resource_id(id), soft_set(0), hard_set(0), limits({0,0}) { }
+};
// Exception while loading a service
class service_load_exc
{
public:
- std::string serviceName;
- std::string excDescription;
+ std::string service_name;
+ std::string exc_description;
protected:
service_load_exc(const std::string &serviceName, std::string &&desc) noexcept
- : serviceName(serviceName), excDescription(std::move(desc))
+ : service_name(serviceName), exc_description(std::move(desc))
{
}
};
return i;
}
+// Convert a signal name to the corresponding signal number
+inline int signal_name_to_number(std::string &signame)
+{
+ if (signame == "HUP") return SIGHUP;
+ if (signame == "INT") return SIGINT;
+ if (signame == "QUIT") return SIGQUIT;
+ if (signame == "USR1") return SIGUSR1;
+ if (signame == "USR2") return SIGUSR2;
+ if (signame == "KILL") return SIGKILL;
+ return -1;
+}
+
// Read a setting name.
inline string read_setting_name(string_iterator & i, string_iterator end)
{
return rval;
}
-// Read a setting value
+// Read a setting value.
//
// In general a setting value is a single-line string. It may contain multiple parts
// separated by white space (which is normally collapsed). A hash mark - # - denotes
// as '#' or '"' or another backslash) to remove its special meaning. Newline
// characters are not allowed in values and cannot be quoted.
//
-// This function expects the string to be in an ASCII-compatible, single byte
-// encoding (the "classic" locale).
+// This function expects the string to be in an ASCII-compatible encoding (the "classic" locale).
+//
+// Throws setting_exception on error.
//
// Params:
// service_name - the name of the service to which the setting applies
// i - reference to string iterator through the line
-// end - iterator at end of line
+// end - iterator at end of line (not including newline character if any)
// part_positions - list of <int,int> to which the position of each setting value
// part will be added as [start,end). May be null.
inline string read_setting_value(string_iterator & i, string_iterator end,
while (i != end) {
c = *i;
if (c == '\"') break;
- if (c == '\n') {
- throw setting_exception("Line end inside quoted string");
- }
else if (c == '\\') {
// A backslash escapes the following character.
++i;
if (i != end) {
c = *i;
- if (c == '\n') {
- throw setting_exception("Line end follows backslash escape character (`\\')");
- }
rval += c;
}
+ else {
+ throw setting_exception("Line end follows backslash escape character (`\\')");
+ }
}
else {
rval += c;
return rval;
}
+// Parse a userid parameter which may be a numeric user ID or a username. If a name, the
+// userid is looked up via the system user database (getpwnam() function). In this case,
+// the associated group is stored in the location specified by the group_p parameter if
+// it is not null.
+inline uid_t parse_uid_param(const std::string ¶m, const std::string &service_name, const char *setting_name, gid_t *group_p)
+{
+ const char * uid_err_msg = "Specified user id contains invalid numeric characters "
+ "or is outside allowed range.";
+
+ // Could be a name or a numeric id. But we should assume numeric first, just in case
+ // a user manages to give themselves a username that parses as a number.
+ std::size_t ind = 0;
+ try {
+ // POSIX does not specify whether uid_t is a signed or unsigned type, but regardless
+ // is is probably safe to assume that valid values are positive. We'll also assert
+ // that the value range fits within "unsigned long long" since it seems unlikely
+ // that would ever not be the case.
+ static_assert((uintmax_t)std::numeric_limits<uid_t>::max()
+ <= (uintmax_t)std::numeric_limits<unsigned long long>::max(), "uid_t is too large");
+ unsigned long long v = std::stoull(param, &ind, 0);
+ if (v > static_cast<unsigned long long>(std::numeric_limits<uid_t>::max())
+ || ind != param.length()) {
+ throw service_description_exc(service_name, std::string(setting_name) + ": " + uid_err_msg);
+ }
+ return v;
+ }
+ catch (std::out_of_range &exc) {
+ throw service_description_exc(service_name, uid_err_msg);
+ }
+ catch (std::invalid_argument &exc) {
+ // Ok, so it doesn't look like a number: proceed...
+ }
+
+ errno = 0;
+ struct passwd * pwent = getpwnam(param.c_str());
+ if (pwent == nullptr) {
+ // Maybe an error, maybe just no entry.
+ if (errno == 0) {
+ throw service_description_exc(service_name, std::string(setting_name) + ": Specified user \"" + param
+ + "\" does not exist in system database.");
+ }
+ else {
+ throw service_description_exc(service_name, std::string("Error accessing user database: ")
+ + strerror(errno));
+ }
+ }
+
+ if (group_p) {
+ *group_p = pwent->pw_gid;
+ }
+
+ return pwent->pw_uid;
+}
+
+inline gid_t parse_gid_param(const std::string ¶m, const char *setting_name, const std::string &service_name)
+{
+ const char * gid_err_msg = "Specified group id contains invalid numeric characters or is "
+ "outside allowed range.";
+
+ // Could be a name or a numeric id. But we should assume numeric first, just in case
+ // a user manages to give themselves a username that parses as a number.
+ std::size_t ind = 0;
+ try {
+ // POSIX does not specify whether uid_t is an signed or unsigned, but regardless
+ // is is probably safe to assume that valid values are positive. We'll also assume
+ // that the value range fits with "unsigned long long" since it seems unlikely
+ // that would ever not be the case.
+ static_assert((uintmax_t)std::numeric_limits<gid_t>::max()
+ <= (uintmax_t)std::numeric_limits<unsigned long long>::max(), "gid_t is too large");
+ unsigned long long v = std::stoull(param, &ind, 0);
+ if (v > static_cast<unsigned long long>(std::numeric_limits<gid_t>::max())
+ || ind != param.length()) {
+ throw service_description_exc(service_name, std::string(setting_name) + ": " + gid_err_msg);
+ }
+ return v;
+ }
+ catch (std::out_of_range &exc) {
+ throw service_description_exc(service_name, std::string(setting_name) + ": " + gid_err_msg);
+ }
+ catch (std::invalid_argument &exc) {
+ // Ok, so it doesn't look like a number: proceed...
+ }
+
+ errno = 0;
+ struct group * grent = getgrnam(param.c_str());
+ if (grent == nullptr) {
+ // Maybe an error, maybe just no entry.
+ if (errno == 0) {
+ throw service_description_exc(service_name, std::string(setting_name) + ": Specified group \"" + param
+ + "\" does not exist in system database.");
+ }
+ else {
+ throw service_description_exc(service_name, std::string("Error accessing group database: ")
+ + strerror(errno));
+ }
+ }
+
+ return grent->gr_gid;
+}
+
+// Parse a time, specified as a decimal number of seconds (with optional fractional component after decimal
+// point or decimal comma).
+inline void parse_timespec(const std::string ¶mval, const std::string &servicename,
+ const char * paramname, timespec &ts)
+{
+ decltype(ts.tv_sec) isec = 0;
+ decltype(ts.tv_nsec) insec = 0;
+ auto max_secs = std::numeric_limits<decltype(isec)>::max() / 10;
+ auto len = paramval.length();
+ decltype(len) i;
+ for (i = 0; i < len; i++) {
+ char ch = paramval[i];
+ if (ch == '.' || ch == ',') {
+ i++;
+ break;
+ }
+ if (ch < '0' || ch > '9') {
+ throw service_description_exc(servicename, std::string("Bad value for ") + paramname);
+ }
+ // check for overflow
+ if (isec >= max_secs) {
+ throw service_description_exc(servicename, std::string("Too-large value for ") + paramname);
+ }
+ isec *= 10;
+ isec += ch - '0';
+ }
+ decltype(insec) insec_m = 100000000; // 10^8
+ for ( ; i < len; i++) {
+ char ch = paramval[i];
+ if (ch < '0' || ch > '9') {
+ throw service_description_exc(servicename, std::string("Bad value for ") + paramname);
+ }
+ insec += (ch - '0') * insec_m;
+ insec_m /= 10;
+ }
+ ts.tv_sec = isec;
+ ts.tv_nsec = insec;
+}
+
+// Parse an unsigned numeric parameter value
+inline unsigned long long parse_unum_param(const std::string ¶m, const std::string &service_name,
+ unsigned long long max = std::numeric_limits<unsigned long long>::max())
+{
+ const char * num_err_msg = "Specified value contains invalid numeric characters or is outside "
+ "allowed range.";
+
+ std::size_t ind = 0;
+ try {
+ unsigned long long v = std::stoull(param, &ind, 0);
+ if (v > max || ind != param.length()) {
+ throw service_description_exc(service_name, num_err_msg);
+ }
+ return v;
+ }
+ catch (std::out_of_range &exc) {
+ throw service_description_exc(service_name, num_err_msg);
+ }
+ catch (std::invalid_argument &exc) {
+ throw service_description_exc(service_name, num_err_msg);
+ }
+}
+
+// In a vector, find or create rlimits for a particular resource type.
+inline service_rlimits &find_rlimits(std::vector<service_rlimits> &all_rlimits, int resource_id)
+{
+ for (service_rlimits &limits : all_rlimits) {
+ if (limits.resource_id == resource_id) {
+ return limits;
+ }
+ }
+
+ all_rlimits.emplace_back(resource_id);
+ return all_rlimits.back();
+}
+
+// Parse resource limits setting (can specify both hard and soft limit).
+inline void parse_rlimit(const std::string &line, const std::string &service_name, const char *param_name,
+ service_rlimits &rlimit)
+{
+ // Examples:
+ // 4:5 - soft:hard limits both set
+ // 4:- soft set, hard set to unlimited
+ // 4: soft set, hard limit unchanged
+ // 4 soft and hard limit set to same limit
+
+ if (line.empty()) {
+ throw service_description_exc(service_name, std::string(param_name) + ": Bad value.");
+ }
+
+ const char *cline = line.c_str();
+ rlimit.hard_set = rlimit.soft_set = false;
+
+ try {
+ const char * index = cline;
+ errno = 0;
+ if (cline[0] != ':') {
+ rlimit.soft_set = true;
+ if (cline[0] == '-') {
+ rlimit.limits.rlim_cur = RLIM_INFINITY;
+ index = cline + 1;
+ }
+ else {
+ char *nindex;
+ unsigned long long limit = std::strtoull(cline, &nindex, 0);
+ index = nindex;
+ if (errno == ERANGE || limit > std::numeric_limits<rlim_t>::max()) throw std::out_of_range("");
+ if (index == cline) throw std::invalid_argument("");
+ rlimit.limits.rlim_cur = limit;
+ }
+
+ if (*index == 0) {
+ rlimit.hard_set = true;
+ rlimit.limits.rlim_max = rlimit.limits.rlim_cur;
+ return;
+ }
+
+ if (*index != ':') {
+ throw service_description_exc(service_name, std::string(param_name) + ": Bad value.");
+ }
+ }
+
+ index++;
+ if (*index == 0) return;
+
+ if (*index == '-') {
+ rlimit.limits.rlim_max = RLIM_INFINITY;
+ if (index[1] != 0) {
+ throw service_description_exc(service_name, std::string(param_name) + ": Bad value.");
+ }
+ }
+ else {
+ const char *hard_start = index;
+ char *nindex;
+ unsigned long long limit = std::strtoull(cline, &nindex, 0);
+ index = nindex;
+ if (errno == ERANGE || limit > std::numeric_limits<rlim_t>::max()) throw std::out_of_range("");
+ if (index == hard_start) throw std::invalid_argument("");
+ rlimit.limits.rlim_max = limit;
+ }
+ }
+ catch (std::invalid_argument &exc) {
+ throw service_description_exc(service_name, std::string(param_name) + ": Bad value.");
+ }
+ catch (std::out_of_range &exc) {
+ throw service_description_exc(service_name, std::string(param_name) + ": Too-large value.");
+ }
+}
+
// Process an opened service file, line by line.
// name - the service name
// service_file - the service file input stream
// func - a function of the form:
// void(string &line, string &setting, string_iterator i, string_iterator end)
// Called with:
-// line - the complete line
+// line - the complete line (excluding newline character)
// setting - the setting name, from the beginning of the line
// i - iterator at the beginning of the setting value
// end - iterator marking the end of the line
}
}
+// A wrapper type for service parameters. It is parameterised by dependency type.
+template <class dep_type>
+class service_settings_wrapper
+{
+ template <typename A, typename B> using pair = std::pair<A,B>;
+ template <typename A> using list = std::list<A>;
+
+ public:
+
+ string command;
+ list<pair<unsigned,unsigned>> command_offsets;
+ string stop_command;
+ list<pair<unsigned,unsigned>> stop_command_offsets;
+ string working_dir;
+ string pid_file;
+ string env_file;
+
+ bool do_sub_vars = false;
+
+ service_type_t service_type = service_type_t::PROCESS;
+ std::list<dep_type> depends;
+ string logfile;
+ service_flags_t onstart_flags;
+ int term_signal = -1; // additional termination signal
+ bool auto_restart = false;
+ bool smooth_recovery = false;
+ string socket_path;
+ int socket_perms = 0666;
+ // Note: Posix allows that uid_t and gid_t may be unsigned types, but eg chown uses -1 as an
+ // invalid value, so it's safe to assume that we can do the same:
+ uid_t socket_uid = -1;
+ gid_t socket_uid_gid = -1; // primary group of socket user if known
+ gid_t socket_gid = -1;
+ // Restart limit interval / count; default is 10 seconds, 3 restarts:
+ timespec restart_interval = { .tv_sec = 10, .tv_nsec = 0 };
+ int max_restarts = 3;
+ timespec restart_delay = { .tv_sec = 0, .tv_nsec = 200000000 };
+ timespec stop_timeout = { .tv_sec = 10, .tv_nsec = 0 };
+ timespec start_timeout = { .tv_sec = 60, .tv_nsec = 0 };
+ std::vector<service_rlimits> rlimits;
+
+ int readiness_fd = -1; // readiness fd in service process
+ std::string readiness_var; // environment var to hold readiness fd
+
+ uid_t run_as_uid = -1;
+ gid_t run_as_uid_gid = -1; // primary group of "run as" uid if known
+ gid_t run_as_gid = -1;
+
+ string chain_to_name;
+
+ #if USE_UTMPX
+ char inittab_id[sizeof(utmpx().ut_id)] = {0};
+ char inittab_line[sizeof(utmpx().ut_line)] = {0};
+ #endif
+
+ // Finalise settings (after processing all setting lines)
+ void finalise()
+ {
+ // If socket_gid hasn't been explicitly set, but the socket_uid was specified as a name (and
+ // we therefore recovered the primary group), use the primary group of the specified user.
+ if (socket_gid == (gid_t)-1) socket_gid = socket_uid_gid;
+ // likewise for "run as" gid/uid.
+ if (run_as_gid == (gid_t)-1) run_as_gid = run_as_uid_gid;
+ }
+};
+
+// Process a service description line. In general, parse the setting value and record the parsed value
+// in a service settings wrapper object. Errors will be reported via service_description_exc exception.
+//
+// type parameters:
+// settings_wrapper : wrapper for service settings
+// load_service_t : type of load service function/lambda (see below)
+// process_dep_dir_t : type of process_dep_dir funciton/lambda (see below)
+//
+// parameters:
+// settings : wrapper object for service settings
+// name : name of the service being processed
+// line : the current line of the service description file
+// setting : the name of the setting (from the beginning of line)
+// i : iterator at beginning of setting value (including whitespace)
+// end : iterator at end of line
+// load_service : function to load a service
+// arguments: const char *service_name
+// return: a value that can be used (with a dependency type) to construct a dependency
+// in the 'depends' vector within the 'settings' object
+// process_dep_dir : function to process a dependency directory
+// arguments: decltype(settings.depends) &dependencies
+// const string &waitsford - directory as specified in parameter
+// dependency_type dep_type - type of dependency to add
+template <typename settings_wrapper,
+ typename load_service_t,
+ typename process_dep_dir_t>
+void process_service_line(settings_wrapper &settings, const char *name, string &line, string &setting,
+ string::iterator &i, string::iterator &end, load_service_t load_service,
+ process_dep_dir_t process_dep_dir)
+{
+ if (setting == "command") {
+ settings.command = read_setting_value(i, end, &settings.command_offsets);
+ }
+ else if (setting == "working-dir") {
+ settings.working_dir = read_setting_value(i, end, nullptr);
+ }
+ else if (setting == "env-file") {
+ settings.env_file = read_setting_value(i, end, nullptr);
+ }
+ else if (setting == "socket-listen") {
+ settings.socket_path = read_setting_value(i, end, nullptr);
+ }
+ else if (setting == "socket-permissions") {
+ string sock_perm_str = read_setting_value(i, end, nullptr);
+ std::size_t ind = 0;
+ try {
+ settings.socket_perms = std::stoi(sock_perm_str, &ind, 8);
+ if (ind != sock_perm_str.length()) {
+ throw std::logic_error("");
+ }
+ }
+ catch (std::logic_error &exc) {
+ throw service_description_exc(name, "socket-permissions: Badly-formed or "
+ "out-of-range numeric value");
+ }
+ }
+ else if (setting == "socket-uid") {
+ string sock_uid_s = read_setting_value(i, end, nullptr);
+ settings.socket_uid = parse_uid_param(sock_uid_s, name, "socket-uid", &settings.socket_uid_gid);
+ }
+ else if (setting == "socket-gid") {
+ string sock_gid_s = read_setting_value(i, end, nullptr);
+ settings.socket_gid = parse_gid_param(sock_gid_s, "socket-gid", name);
+ }
+ else if (setting == "stop-command") {
+ settings.stop_command = read_setting_value(i, end, &settings.stop_command_offsets);
+ }
+ else if (setting == "pid-file") {
+ settings.pid_file = read_setting_value(i, end);
+ }
+ else if (setting == "depends-on") {
+ string dependency_name = read_setting_value(i, end);
+ settings.depends.emplace_back(load_service(dependency_name.c_str()), dependency_type::REGULAR);
+ }
+ else if (setting == "depends-ms") {
+ string dependency_name = read_setting_value(i, end);
+ settings.depends.emplace_back(load_service(dependency_name.c_str()), dependency_type::MILESTONE);
+ }
+ else if (setting == "waits-for") {
+ string dependency_name = read_setting_value(i, end);
+ settings.depends.emplace_back(load_service(dependency_name.c_str()), dependency_type::WAITS_FOR);
+ }
+ else if (setting == "waits-for.d") {
+ string waitsford = read_setting_value(i, end);
+ process_dep_dir(settings.depends, waitsford, dependency_type::WAITS_FOR);
+ }
+ else if (setting == "logfile") {
+ settings.logfile = read_setting_value(i, end);
+ }
+ else if (setting == "restart") {
+ string restart = read_setting_value(i, end);
+ settings.auto_restart = (restart == "yes" || restart == "true");
+ }
+ else if (setting == "smooth-recovery") {
+ string recovery = read_setting_value(i, end);
+ settings.smooth_recovery = (recovery == "yes" || recovery == "true");
+ }
+ else if (setting == "type") {
+ string type_str = read_setting_value(i, end);
+ if (type_str == "scripted") {
+ settings.service_type = service_type_t::SCRIPTED;
+ }
+ else if (type_str == "process") {
+ settings.service_type = service_type_t::PROCESS;
+ }
+ else if (type_str == "bgprocess") {
+ settings.service_type = service_type_t::BGPROCESS;
+ }
+ else if (type_str == "internal") {
+ settings.service_type = service_type_t::INTERNAL;
+ }
+ else {
+ throw service_description_exc(name, "Service type must be one of: \"scripted\","
+ " \"process\", \"bgprocess\" or \"internal\"");
+ }
+ }
+ else if (setting == "options") {
+ std::list<std::pair<unsigned,unsigned>> indices;
+ string onstart_cmds = read_setting_value(i, end, &indices);
+ for (auto indexpair : indices) {
+ string option_txt = onstart_cmds.substr(indexpair.first,
+ indexpair.second - indexpair.first);
+ if (option_txt == "starts-rwfs") {
+ settings.onstart_flags.rw_ready = true;
+ }
+ else if (option_txt == "starts-log") {
+ settings.onstart_flags.log_ready = true;
+ }
+ else if (option_txt == "no-sigterm") {
+ settings.onstart_flags.no_sigterm = true;
+ }
+ else if (option_txt == "runs-on-console") {
+ settings.onstart_flags.runs_on_console = true;
+ // A service that runs on the console necessarily starts on console:
+ settings.onstart_flags.starts_on_console = true;
+ settings.onstart_flags.shares_console = false;
+ }
+ else if (option_txt == "starts-on-console") {
+ settings.onstart_flags.starts_on_console = true;
+ settings.onstart_flags.shares_console = false;
+ }
+ else if (option_txt == "shares-console") {
+ settings.onstart_flags.shares_console = true;
+ settings.onstart_flags.runs_on_console = false;
+ settings.onstart_flags.starts_on_console = false;
+ }
+ else if (option_txt == "pass-cs-fd") {
+ settings.onstart_flags.pass_cs_fd = true;
+ }
+ else if (option_txt == "start-interruptible") {
+ settings.onstart_flags.start_interruptible = true;
+ }
+ else if (option_txt == "skippable") {
+ settings.onstart_flags.skippable = true;
+ }
+ else if (option_txt == "signal-process-only") {
+ settings.onstart_flags.signal_process_only = true;
+ }
+ else {
+ throw service_description_exc(name, "Unknown option: " + option_txt);
+ }
+ }
+ }
+ else if (setting == "load-options") {
+ std::list<std::pair<unsigned,unsigned>> indices;
+ string load_opts = read_setting_value(i, end, &indices);
+ for (auto indexpair : indices) {
+ string option_txt = load_opts.substr(indexpair.first,
+ indexpair.second - indexpair.first);
+ if (option_txt == "sub-vars") {
+ // substitute environment variables in command line
+ settings.do_sub_vars = true;
+ }
+ else if (option_txt == "no-sub-vars") {
+ settings.do_sub_vars = false;
+ }
+ else {
+ throw service_description_exc(name, "Unknown load option: " + option_txt);
+ }
+ }
+ }
+ else if (setting == "term-signal" || setting == "termsignal") {
+ // Note: "termsignal" supported for legacy reasons.
+ string signame = read_setting_value(i, end, nullptr);
+ int signo = signal_name_to_number(signame);
+ if (signo == -1) {
+ throw service_description_exc(name, "Unknown/unsupported termination signal: "
+ + signame);
+ }
+ else {
+ settings.term_signal = signo;
+ }
+ }
+ else if (setting == "restart-limit-interval") {
+ string interval_str = read_setting_value(i, end, nullptr);
+ parse_timespec(interval_str, name, "restart-limit-interval", settings.restart_interval);
+ }
+ else if (setting == "restart-delay") {
+ string rsdelay_str = read_setting_value(i, end, nullptr);
+ parse_timespec(rsdelay_str, name, "restart-delay", settings.restart_delay);
+ }
+ else if (setting == "restart-limit-count") {
+ string limit_str = read_setting_value(i, end, nullptr);
+ settings.max_restarts = parse_unum_param(limit_str, name, std::numeric_limits<int>::max());
+ }
+ else if (setting == "stop-timeout") {
+ string stoptimeout_str = read_setting_value(i, end, nullptr);
+ parse_timespec(stoptimeout_str, name, "stop-timeout", settings.stop_timeout);
+ }
+ else if (setting == "start-timeout") {
+ string starttimeout_str = read_setting_value(i, end, nullptr);
+ parse_timespec(starttimeout_str, name, "start-timeout", settings.start_timeout);
+ }
+ else if (setting == "run-as") {
+ string run_as_str = read_setting_value(i, end, nullptr);
+ settings.run_as_uid = parse_uid_param(run_as_str, name, "run-as", &settings.run_as_uid_gid);
+ }
+ else if (setting == "chain-to") {
+ settings.chain_to_name = read_setting_value(i, end, nullptr);
+ }
+ else if (setting == "ready-notification") {
+ string notify_setting = read_setting_value(i, end, nullptr);
+ if (starts_with(notify_setting, "pipefd:")) {
+ settings.readiness_fd = parse_unum_param(notify_setting.substr(7 /* len 'pipefd:' */),
+ name, std::numeric_limits<int>::max());
+ }
+ else if (starts_with(notify_setting, "pipevar:")) {
+ settings.readiness_var = notify_setting.substr(8 /* len 'pipevar:' */);
+ if (settings.readiness_var.empty()) {
+ throw service_description_exc(name, "Invalid pipevar variable name "
+ "in ready-notification");
+ }
+ }
+ else {
+ throw service_description_exc(name, "Unknown ready-notification setting: "
+ + notify_setting);
+ }
+ }
+ else if (setting == "inittab-id") {
+ string inittab_setting = read_setting_value(i, end, nullptr);
+ #if USE_UTMPX
+ if (inittab_setting.length() > sizeof(settings.inittab_id)) {
+ throw service_description_exc(name, "inittab-id setting is too long");
+ }
+ strncpy(settings.inittab_id, inittab_setting.c_str(), sizeof(settings.inittab_id));
+ #endif
+ }
+ else if (setting == "inittab-line") {
+ string inittab_setting = read_setting_value(i, end, nullptr);
+ #if USE_UTMPX
+ if (inittab_setting.length() > sizeof(settings.inittab_line)) {
+ throw service_description_exc(name, "inittab-line setting is too long");
+ }
+ strncpy(settings.inittab_line, inittab_setting.c_str(), sizeof(settings.inittab_line));
+ #endif
+ }
+ else if (setting == "rlimit-nofile") {
+ string nofile_setting = read_setting_value(i, end, nullptr);
+ service_rlimits &nofile_limits = find_rlimits(settings.rlimits, RLIMIT_NOFILE);
+ parse_rlimit(line, name, "rlimit-nofile", nofile_limits);
+ }
+ else if (setting == "rlimit-core") {
+ string nofile_setting = read_setting_value(i, end, nullptr);
+ service_rlimits &nofile_limits = find_rlimits(settings.rlimits, RLIMIT_CORE);
+ parse_rlimit(line, name, "rlimit-core", nofile_limits);
+ }
+ else if (setting == "rlimit-data") {
+ string nofile_setting = read_setting_value(i, end, nullptr);
+ service_rlimits &nofile_limits = find_rlimits(settings.rlimits, RLIMIT_DATA);
+ parse_rlimit(line, name, "rlimit-data", nofile_limits);
+ }
+ else if (setting == "rlimit-addrspace") {
+ #if defined(RLIMIT_AS)
+ string nofile_setting = read_setting_value(i, end, nullptr);
+ service_rlimits &nofile_limits = find_rlimits(settings.rlimits, RLIMIT_AS);
+ parse_rlimit(line, name, "rlimit-addrspace", nofile_limits);
+ #endif
+ }
+ else {
+ throw service_description_exc(name, "Unknown setting: '" + setting + "'.");
+ }
+}
+
} // namespace dinit_load
using dinit_load::process_service_file;
projects / oweals / dinit.git / blobdiff