+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2010 Lennart Poettering
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <errno.h>
-#include <dbus/dbus.h>
-#include <sys/prctl.h>
-
-#include "dbus-execute.h"
-#include "missing.h"
-#include "ioprio.h"
-#include "strv.h"
-#include "dbus-common.h"
-
-DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_execute_append_kill_mode, kill_mode, KillMode);
-
-DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_execute_append_input, exec_input, ExecInput);
-DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_execute_append_output, exec_output, ExecOutput);
-
-int bus_execute_append_env_files(DBusMessageIter *i, const char *property, void *data) {
- char **env_files = data, **j;
- DBusMessageIter sub, sub2;
-
- assert(i);
- assert(property);
-
- if (!dbus_message_iter_open_container(i, DBUS_TYPE_ARRAY, "(sb)", &sub))
- return -ENOMEM;
-
- STRV_FOREACH(j, env_files) {
- dbus_bool_t b = false;
- char *fn = *j;
-
- if (fn[0] == '-') {
- b = true;
- fn++;
- }
-
- if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2) ||
- !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &fn) ||
- !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_BOOLEAN, &b) ||
- !dbus_message_iter_close_container(&sub, &sub2))
- return -ENOMEM;
- }
-
- if (!dbus_message_iter_close_container(i, &sub))
- return -ENOMEM;
-
- return 0;
-}
-
-int bus_execute_append_oom_score_adjust(DBusMessageIter *i, const char *property, void *data) {
- ExecContext *c = data;
- int32_t n;
-
- assert(i);
- assert(property);
- assert(c);
-
- if (c->oom_score_adjust_set)
- n = c->oom_score_adjust;
- else {
- char *t;
-
- n = 0;
- if (read_one_line_file("/proc/self/oom_score_adj", &t) >= 0) {
- safe_atoi(t, &n);
- free(t);
- } else if (read_one_line_file("/proc/self/oom_adj", &t) >= 0) {
- safe_atoi(t, &n);
- free(t);
-
- if (n == OOM_ADJUST_MAX)
- n = OOM_SCORE_ADJ_MAX;
- else
- n = (n * OOM_SCORE_ADJ_MAX) / -OOM_DISABLE;
- }
- }
-
- if (!dbus_message_iter_append_basic(i, DBUS_TYPE_INT32, &n))
- return -ENOMEM;
-
- return 0;
-}
-
-int bus_execute_append_nice(DBusMessageIter *i, const char *property, void *data) {
- ExecContext *c = data;
- int32_t n;
-
- assert(i);
- assert(property);
- assert(c);
-
- if (c->nice_set)
- n = c->nice;
- else
- n = getpriority(PRIO_PROCESS, 0);
-
- if (!dbus_message_iter_append_basic(i, DBUS_TYPE_INT32, &n))
- return -ENOMEM;
-
- return 0;
-}
-
-int bus_execute_append_ioprio(DBusMessageIter *i, const char *property, void *data) {
- ExecContext *c = data;
- int32_t n;
-
- assert(i);
- assert(property);
- assert(c);
-
- if (c->ioprio_set)
- n = c->ioprio;
- else
- n = ioprio_get(IOPRIO_WHO_PROCESS, 0);
-
- if (!dbus_message_iter_append_basic(i, DBUS_TYPE_INT32, &n))
- return -ENOMEM;
-
- return 0;
-}
-
-int bus_execute_append_cpu_sched_policy(DBusMessageIter *i, const char *property, void *data) {
- ExecContext *c = data;
- int32_t n;
-
- assert(i);
- assert(property);
- assert(c);
-
- if (c->cpu_sched_set)
- n = c->cpu_sched_policy;
- else
- n = sched_getscheduler(0);
-
- if (!dbus_message_iter_append_basic(i, DBUS_TYPE_INT32, &n))
- return -ENOMEM;
-
- return 0;
-}
-
-int bus_execute_append_cpu_sched_priority(DBusMessageIter *i, const char *property, void *data) {
- ExecContext *c = data;
- int32_t n;
-
- assert(i);
- assert(property);
- assert(c);
-
- if (c->cpu_sched_set)
- n = c->cpu_sched_priority;
- else {
- struct sched_param p;
- n = 0;
-
- zero(p);
- if (sched_getparam(0, &p) >= 0)
- n = p.sched_priority;
- }
-
- if (!dbus_message_iter_append_basic(i, DBUS_TYPE_INT32, &n))
- return -ENOMEM;
-
- return 0;
-}
-
-int bus_execute_append_affinity(DBusMessageIter *i, const char *property, void *data) {
- ExecContext *c = data;
- dbus_bool_t b;
- DBusMessageIter sub;
-
- assert(i);
- assert(property);
- assert(c);
-
- if (!dbus_message_iter_open_container(i, DBUS_TYPE_ARRAY, "y", &sub))
- return -ENOMEM;
-
- if (c->cpuset)
- b = dbus_message_iter_append_fixed_array(&sub, DBUS_TYPE_BYTE, &c->cpuset, CPU_ALLOC_SIZE(c->cpuset_ncpus));
- else
- b = dbus_message_iter_append_fixed_array(&sub, DBUS_TYPE_BYTE, &c->cpuset, 0);
-
- if (!b)
- return -ENOMEM;
-
- if (!dbus_message_iter_close_container(i, &sub))
- return -ENOMEM;
-
- return 0;
-}
-
-int bus_execute_append_timer_slack_nsec(DBusMessageIter *i, const char *property, void *data) {
- ExecContext *c = data;
- uint64_t u;
-
- assert(i);
- assert(property);
- assert(c);
-
- if (c->timer_slack_nsec_set)
- u = (uint64_t) c->timer_slack_nsec;
- else
- u = (uint64_t) prctl(PR_GET_TIMERSLACK);
-
- if (!dbus_message_iter_append_basic(i, DBUS_TYPE_UINT64, &u))
- return -ENOMEM;
-
- return 0;
-}
-
-int bus_execute_append_capability_bs(DBusMessageIter *i, const char *property, void *data) {
- ExecContext *c = data;
- uint64_t normal, inverted;
-
- assert(i);
- assert(property);
- assert(c);
-
- /* We store this negated internally, to match the kernel, but
- * we expose it normalized. */
-
- normal = *(uint64_t*) data;
- inverted = ~normal;
-
- return bus_property_append_uint64(i, property, &inverted);
-}
-
-int bus_execute_append_capabilities(DBusMessageIter *i, const char *property, void *data) {
- ExecContext *c = data;
- char *t = NULL;
- const char *s;
- dbus_bool_t b;
-
- assert(i);
- assert(property);
- assert(c);
-
- if (c->capabilities)
- s = t = cap_to_text(c->capabilities, NULL);
- else
- s = "";
-
- if (!s)
- return -ENOMEM;
-
- b = dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &s);
-
- if (t)
- cap_free(t);
-
- if (!b)
- return -ENOMEM;
-
- return 0;
-}
-
-int bus_execute_append_rlimits(DBusMessageIter *i, const char *property, void *data) {
- ExecContext *c = data;
- int r;
- uint64_t u;
-
- assert(i);
- assert(property);
- assert(c);
-
- assert_se((r = rlimit_from_string(property)) >= 0);
-
- if (c->rlimit[r])
- u = (uint64_t) c->rlimit[r]->rlim_max;
- else {
- struct rlimit rl;
-
- zero(rl);
- getrlimit(r, &rl);
-
- u = (uint64_t) rl.rlim_max;
- }
-
- if (!dbus_message_iter_append_basic(i, DBUS_TYPE_UINT64, &u))
- return -ENOMEM;
-
- return 0;
-}
-
-int bus_execute_append_command(DBusMessageIter *i, const char *property, void *data) {
- ExecCommand *c = data;
- DBusMessageIter sub, sub2, sub3;
-
- assert(i);
- assert(property);
-
- if (!dbus_message_iter_open_container(i, DBUS_TYPE_ARRAY, "(sasbttttuii)", &sub))
- return -ENOMEM;
-
- LIST_FOREACH(command, c, c) {
- char **l;
- uint32_t pid;
- int32_t code, status;
- dbus_bool_t b;
-
- if (!c->path)
- continue;
-
- if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2) ||
- !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &c->path) ||
- !dbus_message_iter_open_container(&sub2, DBUS_TYPE_ARRAY, "s", &sub3))
- return -ENOMEM;
-
- STRV_FOREACH(l, c->argv)
- if (!dbus_message_iter_append_basic(&sub3, DBUS_TYPE_STRING, l))
- return -ENOMEM;
-
- pid = (uint32_t) c->exec_status.pid;
- code = (int32_t) c->exec_status.code;
- status = (int32_t) c->exec_status.status;
-
- b = !!c->ignore;
-
- if (!dbus_message_iter_close_container(&sub2, &sub3) ||
- !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_BOOLEAN, &b) ||
- !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT64, &c->exec_status.start_timestamp.realtime) ||
- !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT64, &c->exec_status.start_timestamp.monotonic) ||
- !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT64, &c->exec_status.exit_timestamp.realtime) ||
- !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT64, &c->exec_status.exit_timestamp.monotonic) ||
- !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &pid) ||
- !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_INT32, &code) ||
- !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_INT32, &status))
- return -ENOMEM;
-
- if (!dbus_message_iter_close_container(&sub, &sub2))
- return -ENOMEM;
- }
-
- if (!dbus_message_iter_close_container(i, &sub))
- return -ENOMEM;
-
- return 0;
-}
-
-const BusProperty bus_exec_context_properties[] = {
- { "Environment", bus_property_append_strv, "as", offsetof(ExecContext, environment), true },
- { "EnvironmentFiles", bus_execute_append_env_files, "a(sb)", offsetof(ExecContext, environment_files), true },
- { "UMask", bus_property_append_mode, "u", offsetof(ExecContext, umask) },
- { "LimitCPU", bus_execute_append_rlimits, "t", 0 },
- { "LimitFSIZE", bus_execute_append_rlimits, "t", 0 },
- { "LimitDATA", bus_execute_append_rlimits, "t", 0 },
- { "LimitSTACK", bus_execute_append_rlimits, "t", 0 },
- { "LimitCORE", bus_execute_append_rlimits, "t", 0 },
- { "LimitRSS", bus_execute_append_rlimits, "t", 0 },
- { "LimitNOFILE", bus_execute_append_rlimits, "t", 0 },
- { "LimitAS", bus_execute_append_rlimits, "t", 0 },
- { "LimitNPROC", bus_execute_append_rlimits, "t", 0 },
- { "LimitMEMLOCK", bus_execute_append_rlimits, "t", 0 },
- { "LimitLOCKS", bus_execute_append_rlimits, "t", 0 },
- { "LimitSIGPENDING", bus_execute_append_rlimits, "t", 0 },
- { "LimitMSGQUEUE", bus_execute_append_rlimits, "t", 0 },
- { "LimitNICE", bus_execute_append_rlimits, "t", 0 },
- { "LimitRTPRIO", bus_execute_append_rlimits, "t", 0 },
- { "LimitRTTIME", bus_execute_append_rlimits, "t", 0 },
- { "WorkingDirectory", bus_property_append_string, "s", offsetof(ExecContext, working_directory), true },
- { "RootDirectory", bus_property_append_string, "s", offsetof(ExecContext, root_directory), true },
- { "OOMScoreAdjust", bus_execute_append_oom_score_adjust, "i", 0 },
- { "Nice", bus_execute_append_nice, "i", 0 },
- { "IOScheduling", bus_execute_append_ioprio, "i", 0 },
- { "CPUSchedulingPolicy", bus_execute_append_cpu_sched_policy, "i", 0 },
- { "CPUSchedulingPriority", bus_execute_append_cpu_sched_priority, "i", 0 },
- { "CPUAffinity", bus_execute_append_affinity, "ay", 0 },
- { "TimerSlackNSec", bus_execute_append_timer_slack_nsec, "t", 0 },
- { "CPUSchedulingResetOnFork", bus_property_append_bool, "b", offsetof(ExecContext, cpu_sched_reset_on_fork) },
- { "NonBlocking", bus_property_append_bool, "b", offsetof(ExecContext, non_blocking) },
- { "StandardInput", bus_execute_append_input, "s", offsetof(ExecContext, std_input) },
- { "StandardOutput", bus_execute_append_output, "s", offsetof(ExecContext, std_output) },
- { "StandardError", bus_execute_append_output, "s", offsetof(ExecContext, std_error) },
- { "TTYPath", bus_property_append_string, "s", offsetof(ExecContext, tty_path), true },
- { "TTYReset", bus_property_append_bool, "b", offsetof(ExecContext, tty_reset) },
- { "TTYVHangup", bus_property_append_bool, "b", offsetof(ExecContext, tty_vhangup) },
- { "TTYVTDisallocate", bus_property_append_bool, "b", offsetof(ExecContext, tty_vt_disallocate) },
- { "SyslogPriority", bus_property_append_int, "i", offsetof(ExecContext, syslog_priority) },
- { "SyslogIdentifier", bus_property_append_string, "s", offsetof(ExecContext, syslog_identifier), true },
- { "SyslogLevelPrefix", bus_property_append_bool, "b", offsetof(ExecContext, syslog_level_prefix) },
- { "Capabilities", bus_execute_append_capabilities, "s", 0 },
- { "SecureBits", bus_property_append_int, "i", offsetof(ExecContext, secure_bits) },
- { "CapabilityBoundingSet", bus_execute_append_capability_bs, "t", offsetof(ExecContext, capability_bounding_set_drop) },
- { "User", bus_property_append_string, "s", offsetof(ExecContext, user), true },
- { "Group", bus_property_append_string, "s", offsetof(ExecContext, group), true },
- { "SupplementaryGroups", bus_property_append_strv, "as", offsetof(ExecContext, supplementary_groups), true },
- { "TCPWrapName", bus_property_append_string, "s", offsetof(ExecContext, tcpwrap_name), true },
- { "PAMName", bus_property_append_string, "s", offsetof(ExecContext, pam_name), true },
- { "ReadWriteDirectories", bus_property_append_strv, "as", offsetof(ExecContext, read_write_dirs), true },
- { "ReadOnlyDirectories", bus_property_append_strv, "as", offsetof(ExecContext, read_only_dirs), true },
- { "InaccessibleDirectories", bus_property_append_strv, "as", offsetof(ExecContext, inaccessible_dirs), true },
- { "MountFlags", bus_property_append_ul, "t", offsetof(ExecContext, mount_flags) },
- { "PrivateTmp", bus_property_append_bool, "b", offsetof(ExecContext, private_tmp) },
- { "PrivateNetwork", bus_property_append_bool, "b", offsetof(ExecContext, private_network) },
- { "SameProcessGroup", bus_property_append_bool, "b", offsetof(ExecContext, same_pgrp) },
- { "KillMode", bus_execute_append_kill_mode, "s", offsetof(ExecContext, kill_mode) },
- { "KillSignal", bus_property_append_int, "i", offsetof(ExecContext, kill_signal) },
- { "UtmpIdentifier", bus_property_append_string, "s", offsetof(ExecContext, utmp_id), true },
- { "ControlGroupModify", bus_property_append_bool, "b", offsetof(ExecContext, control_group_modify) },
- { "ControlGroupPersistent", bus_property_append_tristate_false, "b", offsetof(ExecContext, control_group_persistent) },
- { "IgnoreSIGPIPE", bus_property_append_bool, "b", offsetof(ExecContext, ignore_sigpipe ) },
- { NULL, }
-};
~ianmdlvl / elogind.git / blobdiff