+++ /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 Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 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
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <sys/prctl.h>
-
-#ifdef HAVE_SECCOMP
-#include <seccomp.h>
-#endif
-
-#include "bus-util.h"
-#include "missing.h"
-#include "ioprio.h"
-#include "strv.h"
-#include "fileio.h"
-#include "execute.h"
-#include "capability.h"
-#include "env-util.h"
-#include "af-list.h"
-#include "namespace.h"
-#include "path-util.h"
-#include "dbus-execute.h"
-
-#ifdef HAVE_SECCOMP
-#include "seccomp-util.h"
-#endif
-
-BUS_DEFINE_PROPERTY_GET_ENUM(bus_property_get_exec_output, exec_output, ExecOutput);
-
-static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_exec_input, exec_input, ExecInput);
-
-static BUS_DEFINE_PROPERTY_GET_ENUM(bus_property_get_protect_home, protect_home, ProtectHome);
-static BUS_DEFINE_PROPERTY_GET_ENUM(bus_property_get_protect_system, protect_system, ProtectSystem);
-
-static int property_get_environment_files(
- sd_bus *bus,
- const char *path,
- const char *interface,
- const char *property,
- sd_bus_message *reply,
- void *userdata,
- sd_bus_error *error) {
-
- ExecContext *c = userdata;
- char **j;
- int r;
-
- assert(bus);
- assert(reply);
- assert(c);
-
- r = sd_bus_message_open_container(reply, 'a', "(sb)");
- if (r < 0)
- return r;
-
- STRV_FOREACH(j, c->environment_files) {
- const char *fn = *j;
-
- r = sd_bus_message_append(reply, "(sb)", fn[0] == '-' ? fn + 1 : fn, fn[0] == '-');
- if (r < 0)
- return r;
- }
-
- return sd_bus_message_close_container(reply);
-}
-
-static int property_get_rlimit(
- sd_bus *bus,
- const char *path,
- const char *interface,
- const char *property,
- sd_bus_message *reply,
- void *userdata,
- sd_bus_error *error) {
-
- struct rlimit *rl;
- uint64_t u;
- rlim_t x;
-
- assert(bus);
- assert(reply);
- assert(userdata);
-
- rl = *(struct rlimit**) userdata;
- if (rl)
- x = rl->rlim_max;
- else {
- struct rlimit buf = {};
- int z;
-
- z = rlimit_from_string(property);
- assert(z >= 0);
-
- getrlimit(z, &buf);
- x = buf.rlim_max;
- }
-
- /* rlim_t might have different sizes, let's map
- * RLIMIT_INFINITY to (uint64_t) -1, so that it is the same on
- * all archs */
- u = x == RLIM_INFINITY ? (uint64_t) -1 : (uint64_t) x;
-
- return sd_bus_message_append(reply, "t", u);
-}
-
-static int property_get_oom_score_adjust(
- sd_bus *bus,
- const char *path,
- const char *interface,
- const char *property,
- sd_bus_message *reply,
- void *userdata,
- sd_bus_error *error) {
-
-
- ExecContext *c = userdata;
- int32_t n;
-
- assert(bus);
- assert(reply);
- assert(c);
-
- if (c->oom_score_adjust_set)
- n = c->oom_score_adjust;
- else {
- _cleanup_free_ char *t = NULL;
-
- n = 0;
- if (read_one_line_file("/proc/self/oom_score_adj", &t) >= 0)
- safe_atoi(t, &n);
- }
-
- return sd_bus_message_append(reply, "i", n);
-}
-
-static int property_get_nice(
- sd_bus *bus,
- const char *path,
- const char *interface,
- const char *property,
- sd_bus_message *reply,
- void *userdata,
- sd_bus_error *error) {
-
-
- ExecContext *c = userdata;
- int32_t n;
-
- assert(bus);
- assert(reply);
- assert(c);
-
- if (c->nice_set)
- n = c->nice;
- else {
- errno = 0;
- n = getpriority(PRIO_PROCESS, 0);
- if (errno != 0)
- n = 0;
- }
-
- return sd_bus_message_append(reply, "i", n);
-}
-
-static int property_get_ioprio(
- sd_bus *bus,
- const char *path,
- const char *interface,
- const char *property,
- sd_bus_message *reply,
- void *userdata,
- sd_bus_error *error) {
-
-
- ExecContext *c = userdata;
- int32_t n;
-
- assert(bus);
- assert(reply);
- assert(c);
-
- if (c->ioprio_set)
- n = c->ioprio;
- else {
- n = ioprio_get(IOPRIO_WHO_PROCESS, 0);
- if (n < 0)
- n = IOPRIO_PRIO_VALUE(IOPRIO_CLASS_BE, 4);
- }
-
- return sd_bus_message_append(reply, "i", n);
-}
-
-static int property_get_cpu_sched_policy(
- sd_bus *bus,
- const char *path,
- const char *interface,
- const char *property,
- sd_bus_message *reply,
- void *userdata,
- sd_bus_error *error) {
-
- ExecContext *c = userdata;
- int32_t n;
-
- assert(bus);
- assert(reply);
- assert(c);
-
- if (c->cpu_sched_set)
- n = c->cpu_sched_policy;
- else {
- n = sched_getscheduler(0);
- if (n < 0)
- n = SCHED_OTHER;
- }
-
- return sd_bus_message_append(reply, "i", n);
-}
-
-static int property_get_cpu_sched_priority(
- sd_bus *bus,
- const char *path,
- const char *interface,
- const char *property,
- sd_bus_message *reply,
- void *userdata,
- sd_bus_error *error) {
-
- ExecContext *c = userdata;
- int32_t n;
-
- assert(bus);
- assert(reply);
- assert(c);
-
- if (c->cpu_sched_set)
- n = c->cpu_sched_priority;
- else {
- struct sched_param p = {};
-
- if (sched_getparam(0, &p) >= 0)
- n = p.sched_priority;
- else
- n = 0;
- }
-
- return sd_bus_message_append(reply, "i", n);
-}
-
-static int property_get_cpu_affinity(
- sd_bus *bus,
- const char *path,
- const char *interface,
- const char *property,
- sd_bus_message *reply,
- void *userdata,
- sd_bus_error *error) {
-
- ExecContext *c = userdata;
-
- assert(bus);
- assert(reply);
- assert(c);
-
- if (c->cpuset)
- return sd_bus_message_append_array(reply, 'y', c->cpuset, CPU_ALLOC_SIZE(c->cpuset_ncpus));
- else
- return sd_bus_message_append_array(reply, 'y', NULL, 0);
-}
-
-static int property_get_timer_slack_nsec(
- sd_bus *bus,
- const char *path,
- const char *interface,
- const char *property,
- sd_bus_message *reply,
- void *userdata,
- sd_bus_error *error) {
-
- ExecContext *c = userdata;
- uint64_t u;
-
- assert(bus);
- assert(reply);
- assert(c);
-
- if (c->timer_slack_nsec != NSEC_INFINITY)
- u = (uint64_t) c->timer_slack_nsec;
- else
- u = (uint64_t) prctl(PR_GET_TIMERSLACK);
-
- return sd_bus_message_append(reply, "t", u);
-}
-
-static int property_get_capability_bounding_set(
- sd_bus *bus,
- const char *path,
- const char *interface,
- const char *property,
- sd_bus_message *reply,
- void *userdata,
- sd_bus_error *error) {
-
- ExecContext *c = userdata;
-
- assert(bus);
- assert(reply);
- assert(c);
-
- /* We store this negated internally, to match the kernel, but
- * we expose it normalized. */
- return sd_bus_message_append(reply, "t", ~c->capability_bounding_set_drop);
-}
-
-static int property_get_capabilities(
- sd_bus *bus,
- const char *path,
- const char *interface,
- const char *property,
- sd_bus_message *reply,
- void *userdata,
- sd_bus_error *error) {
-
- ExecContext *c = userdata;
- _cleanup_cap_free_charp_ char *t = NULL;
- const char *s;
-
- assert(bus);
- assert(reply);
- assert(c);
-
- if (c->capabilities)
- s = t = cap_to_text(c->capabilities, NULL);
- else
- s = "";
-
- if (!s)
- return -ENOMEM;
-
- return sd_bus_message_append(reply, "s", s);
-}
-
-static int property_get_syscall_filter(
- sd_bus *bus,
- const char *path,
- const char *interface,
- const char *property,
- sd_bus_message *reply,
- void *userdata,
- sd_bus_error *error) {
-
- ExecContext *c = userdata;
- _cleanup_strv_free_ char **l = NULL;
- int r;
-
-#ifdef HAVE_SECCOMP
- Iterator i;
- void *id;
-#endif
-
- assert(bus);
- assert(reply);
- assert(c);
-
- r = sd_bus_message_open_container(reply, 'r', "bas");
- if (r < 0)
- return r;
-
- r = sd_bus_message_append(reply, "b", c->syscall_whitelist);
- if (r < 0)
- return r;
-
-#ifdef HAVE_SECCOMP
- SET_FOREACH(id, c->syscall_filter, i) {
- char *name;
-
- name = seccomp_syscall_resolve_num_arch(SCMP_ARCH_NATIVE, PTR_TO_INT(id) - 1);
- if (!name)
- continue;
-
- r = strv_consume(&l, name);
- if (r < 0)
- return r;
- }
-#endif
-
- strv_sort(l);
-
- r = sd_bus_message_append_strv(reply, l);
- if (r < 0)
- return r;
-
- return sd_bus_message_close_container(reply);
-}
-
-static int property_get_syscall_archs(
- sd_bus *bus,
- const char *path,
- const char *interface,
- const char *property,
- sd_bus_message *reply,
- void *userdata,
- sd_bus_error *error) {
-
- ExecContext *c = userdata;
- _cleanup_strv_free_ char **l = NULL;
- int r;
-
-#ifdef HAVE_SECCOMP
- Iterator i;
- void *id;
-#endif
-
- assert(bus);
- assert(reply);
- assert(c);
-
-#ifdef HAVE_SECCOMP
- SET_FOREACH(id, c->syscall_archs, i) {
- const char *name;
-
- name = seccomp_arch_to_string(PTR_TO_UINT32(id) - 1);
- if (!name)
- continue;
-
- r = strv_extend(&l, name);
- if (r < 0)
- return -ENOMEM;
- }
-#endif
-
- strv_sort(l);
-
- r = sd_bus_message_append_strv(reply, l);
- if (r < 0)
- return r;
-
- return 0;
-}
-
-static int property_get_syscall_errno(
- sd_bus *bus,
- const char *path,
- const char *interface,
- const char *property,
- sd_bus_message *reply,
- void *userdata,
- sd_bus_error *error) {
-
- ExecContext *c = userdata;
-
- assert(bus);
- assert(reply);
- assert(c);
-
- return sd_bus_message_append(reply, "i", (int32_t) c->syscall_errno);
-}
-
-static int property_get_selinux_context(
- sd_bus *bus,
- const char *path,
- const char *interface,
- const char *property,
- sd_bus_message *reply,
- void *userdata,
- sd_bus_error *error) {
-
- ExecContext *c = userdata;
-
- assert(bus);
- assert(reply);
- assert(c);
-
- return sd_bus_message_append(reply, "(bs)", c->selinux_context_ignore, c->selinux_context);
-}
-
-static int property_get_apparmor_profile(
- sd_bus *bus,
- const char *path,
- const char *interface,
- const char *property,
- sd_bus_message *reply,
- void *userdata,
- sd_bus_error *error) {
-
- ExecContext *c = userdata;
-
- assert(bus);
- assert(reply);
- assert(c);
-
- return sd_bus_message_append(reply, "(bs)", c->apparmor_profile_ignore, c->apparmor_profile);
-}
-
-static int property_get_smack_process_label(
- sd_bus *bus,
- const char *path,
- const char *interface,
- const char *property,
- sd_bus_message *reply,
- void *userdata,
- sd_bus_error *error) {
-
- ExecContext *c = userdata;
-
- assert(bus);
- assert(reply);
- assert(c);
-
- return sd_bus_message_append(reply, "(bs)", c->smack_process_label_ignore, c->smack_process_label);
-}
-
-static int property_get_personality(
- sd_bus *bus,
- const char *path,
- const char *interface,
- const char *property,
- sd_bus_message *reply,
- void *userdata,
- sd_bus_error *error) {
-
- ExecContext *c = userdata;
-
- assert(bus);
- assert(reply);
- assert(c);
-
- return sd_bus_message_append(reply, "s", personality_to_string(c->personality));
-}
-
-static int property_get_address_families(
- sd_bus *bus,
- const char *path,
- const char *interface,
- const char *property,
- sd_bus_message *reply,
- void *userdata,
- sd_bus_error *error) {
-
- ExecContext *c = userdata;
- _cleanup_strv_free_ char **l = NULL;
- Iterator i;
- void *af;
- int r;
-
- assert(bus);
- assert(reply);
- assert(c);
-
- r = sd_bus_message_open_container(reply, 'r', "bas");
- if (r < 0)
- return r;
-
- r = sd_bus_message_append(reply, "b", c->address_families_whitelist);
- if (r < 0)
- return r;
-
- SET_FOREACH(af, c->address_families, i) {
- const char *name;
-
- name = af_to_name(PTR_TO_INT(af));
- if (!name)
- continue;
-
- r = strv_extend(&l, name);
- if (r < 0)
- return -ENOMEM;
- }
-
- strv_sort(l);
-
- r = sd_bus_message_append_strv(reply, l);
- if (r < 0)
- return r;
-
- return sd_bus_message_close_container(reply);
-}
-
-const sd_bus_vtable bus_exec_vtable[] = {
- SD_BUS_VTABLE_START(0),
- SD_BUS_PROPERTY("Environment", "as", NULL, offsetof(ExecContext, environment), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("EnvironmentFiles", "a(sb)", property_get_environment_files, 0, SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("UMask", "u", bus_property_get_mode, offsetof(ExecContext, umask), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("LimitCPU", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_CPU]), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("LimitFSIZE", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_FSIZE]), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("LimitDATA", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_DATA]), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("LimitSTACK", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_STACK]), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("LimitCORE", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_CORE]), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("LimitRSS", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_RSS]), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("LimitNOFILE", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_NOFILE]), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("LimitAS", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_AS]), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("LimitNPROC", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_NPROC]), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("LimitMEMLOCK", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_MEMLOCK]), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("LimitLOCKS", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_LOCKS]), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("LimitSIGPENDING", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_SIGPENDING]), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("LimitMSGQUEUE", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_MSGQUEUE]), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("LimitNICE", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_NICE]), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("LimitRTPRIO", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_RTPRIO]), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("LimitRTTIME", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_RTTIME]), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("WorkingDirectory", "s", NULL, offsetof(ExecContext, working_directory), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("RootDirectory", "s", NULL, offsetof(ExecContext, root_directory), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("OOMScoreAdjust", "i", property_get_oom_score_adjust, 0, SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("Nice", "i", property_get_nice, 0, SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("IOScheduling", "i", property_get_ioprio, 0, SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("CPUSchedulingPolicy", "i", property_get_cpu_sched_policy, 0, SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("CPUSchedulingPriority", "i", property_get_cpu_sched_priority, 0, SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("CPUAffinity", "ay", property_get_cpu_affinity, 0, SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("TimerSlackNSec", "t", property_get_timer_slack_nsec, 0, SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("CPUSchedulingResetOnFork", "b", bus_property_get_bool, offsetof(ExecContext, cpu_sched_reset_on_fork), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("NonBlocking", "b", bus_property_get_bool, offsetof(ExecContext, non_blocking), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("StandardInput", "s", property_get_exec_input, offsetof(ExecContext, std_input), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("StandardOutput", "s", bus_property_get_exec_output, offsetof(ExecContext, std_output), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("StandardError", "s", bus_property_get_exec_output, offsetof(ExecContext, std_error), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("TTYPath", "s", NULL, offsetof(ExecContext, tty_path), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("TTYReset", "b", bus_property_get_bool, offsetof(ExecContext, tty_reset), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("TTYVHangup", "b", bus_property_get_bool, offsetof(ExecContext, tty_vhangup), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("TTYVTDisallocate", "b", bus_property_get_bool, offsetof(ExecContext, tty_vt_disallocate), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("SyslogPriority", "i", bus_property_get_int, offsetof(ExecContext, syslog_priority), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("SyslogIdentifier", "s", NULL, offsetof(ExecContext, syslog_identifier), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("SyslogLevelPrefix", "b", bus_property_get_bool, offsetof(ExecContext, syslog_level_prefix), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("Capabilities", "s", property_get_capabilities, 0, SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("SecureBits", "i", bus_property_get_int, offsetof(ExecContext, secure_bits), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("CapabilityBoundingSet", "t", property_get_capability_bounding_set, 0, SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("User", "s", NULL, offsetof(ExecContext, user), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("Group", "s", NULL, offsetof(ExecContext, group), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("SupplementaryGroups", "as", NULL, offsetof(ExecContext, supplementary_groups), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("PAMName", "s", NULL, offsetof(ExecContext, pam_name), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("ReadWriteDirectories", "as", NULL, offsetof(ExecContext, read_write_dirs), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("ReadOnlyDirectories", "as", NULL, offsetof(ExecContext, read_only_dirs), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("InaccessibleDirectories", "as", NULL, offsetof(ExecContext, inaccessible_dirs), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("MountFlags", "t", bus_property_get_ulong, offsetof(ExecContext, mount_flags), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("PrivateTmp", "b", bus_property_get_bool, offsetof(ExecContext, private_tmp), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("PrivateNetwork", "b", bus_property_get_bool, offsetof(ExecContext, private_network), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("PrivateDevices", "b", bus_property_get_bool, offsetof(ExecContext, private_devices), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("ProtectHome", "s", bus_property_get_protect_home, offsetof(ExecContext, protect_home), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("ProtectSystem", "s", bus_property_get_protect_system, offsetof(ExecContext, protect_system), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("SameProcessGroup", "b", bus_property_get_bool, offsetof(ExecContext, same_pgrp), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("UtmpIdentifier", "s", NULL, offsetof(ExecContext, utmp_id), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("SELinuxContext", "(bs)", property_get_selinux_context, 0, SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("AppArmorProfile", "(bs)", property_get_apparmor_profile, 0, SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("SmackProcessLabel", "(bs)", property_get_smack_process_label, 0, SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("IgnoreSIGPIPE", "b", bus_property_get_bool, offsetof(ExecContext, ignore_sigpipe), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("NoNewPrivileges", "b", bus_property_get_bool, offsetof(ExecContext, no_new_privileges), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("SystemCallFilter", "(bas)", property_get_syscall_filter, 0, SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("SystemCallArchitectures", "as", property_get_syscall_archs, 0, SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("SystemCallErrorNumber", "i", property_get_syscall_errno, 0, SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("Personality", "s", property_get_personality, 0, SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("RestrictAddressFamilies", "(bas)", property_get_address_families, 0, SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("RuntimeDirectoryMode", "u", bus_property_get_mode, offsetof(ExecContext, runtime_directory_mode), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("RuntimeDirectory", "as", NULL, offsetof(ExecContext, runtime_directory), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_VTABLE_END
-};
-
-static int append_exec_command(sd_bus_message *reply, ExecCommand *c) {
- int r;
-
- assert(reply);
- assert(c);
-
- if (!c->path)
- return 0;
-
- r = sd_bus_message_open_container(reply, 'r', "sasbttttuii");
- if (r < 0)
- return r;
-
- r = sd_bus_message_append(reply, "s", c->path);
- if (r < 0)
- return r;
-
- r = sd_bus_message_append_strv(reply, c->argv);
- if (r < 0)
- return r;
-
- r = sd_bus_message_append(reply, "bttttuii",
- c->ignore,
- c->exec_status.start_timestamp.realtime,
- c->exec_status.start_timestamp.monotonic,
- c->exec_status.exit_timestamp.realtime,
- c->exec_status.exit_timestamp.monotonic,
- (uint32_t) c->exec_status.pid,
- (int32_t) c->exec_status.code,
- (int32_t) c->exec_status.status);
- if (r < 0)
- return r;
-
- return sd_bus_message_close_container(reply);
-}
-
-int bus_property_get_exec_command(
- sd_bus *bus,
- const char *path,
- const char *interface,
- const char *property,
- sd_bus_message *reply,
- void *userdata,
- sd_bus_error *ret_error) {
-
- ExecCommand *c = (ExecCommand*) userdata;
- int r;
-
- assert(bus);
- assert(reply);
-
- r = sd_bus_message_open_container(reply, 'a', "(sasbttttuii)");
- if (r < 0)
- return r;
-
- r = append_exec_command(reply, c);
- if (r < 0)
- return r;
-
- return sd_bus_message_close_container(reply);
-}
-
-int bus_property_get_exec_command_list(
- sd_bus *bus,
- const char *path,
- const char *interface,
- const char *property,
- sd_bus_message *reply,
- void *userdata,
- sd_bus_error *ret_error) {
-
- ExecCommand *c = *(ExecCommand**) userdata;
- int r;
-
- assert(bus);
- assert(reply);
-
- r = sd_bus_message_open_container(reply, 'a', "(sasbttttuii)");
- if (r < 0)
- return r;
-
- LIST_FOREACH(command, c, c) {
- r = append_exec_command(reply, c);
- if (r < 0)
- return r;
- }
-
- return sd_bus_message_close_container(reply);
-}
-
-int bus_exec_context_set_transient_property(
- Unit *u,
- ExecContext *c,
- const char *name,
- sd_bus_message *message,
- UnitSetPropertiesMode mode,
- sd_bus_error *error) {
-
- int r;
-
- assert(u);
- assert(c);
- assert(name);
- assert(message);
-
- if (streq(name, "User")) {
- const char *uu;
-
- r = sd_bus_message_read(message, "s", &uu);
- if (r < 0)
- return r;
-
- if (mode != UNIT_CHECK) {
-
- if (isempty(uu)) {
- free(c->user);
- c->user = NULL;
- } else {
- char *t;
-
- t = strdup(uu);
- if (!t)
- return -ENOMEM;
-
- free(c->user);
- c->user = t;
- }
-
- unit_write_drop_in_private_format(u, mode, name, "User=%s\n", uu);
- }
-
- return 1;
-
- } else if (streq(name, "Group")) {
- const char *gg;
-
- r = sd_bus_message_read(message, "s", &gg);
- if (r < 0)
- return r;
-
- if (mode != UNIT_CHECK) {
-
- if (isempty(gg)) {
- free(c->group);
- c->group = NULL;
- } else {
- char *t;
-
- t = strdup(gg);
- if (!t)
- return -ENOMEM;
-
- free(c->group);
- c->group = t;
- }
-
- unit_write_drop_in_private_format(u, mode, name, "Group=%s\n", gg);
- }
-
- return 1;
-
- } else if (streq(name, "Nice")) {
- int n;
-
- r = sd_bus_message_read(message, "i", &n);
- if (r < 0)
- return r;
-
- if (n < PRIO_MIN || n >= PRIO_MAX)
- return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Nice value out of range");
-
- if (mode != UNIT_CHECK) {
- c->nice = n;
- unit_write_drop_in_private_format(u, mode, name, "Nice=%i\n", n);
- }
-
- return 1;
-
- } else if (streq(name, "TTYPath")) {
- const char *tty;
-
- r = sd_bus_message_read(message, "s", &tty);
- if (r < 0)
- return r;
-
- if (!path_is_absolute(tty))
- return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "TTY device not absolute path");
-
- if (mode != UNIT_CHECK) {
- char *t;
-
- t = strdup(tty);
- if (!t)
- return -ENOMEM;
-
- free(c->tty_path);
- c->tty_path = t;
-
- unit_write_drop_in_private_format(u, mode, name, "TTYPath=%s\n", tty);
- }
-
- return 1;
-
- } else if (streq(name, "StandardInput")) {
- const char *s;
- ExecInput p;
-
- r = sd_bus_message_read(message, "s", &s);
- if (r < 0)
- return r;
-
- p = exec_input_from_string(s);
- if (p < 0)
- return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid standard input name");
-
- if (mode != UNIT_CHECK) {
- c->std_input = p;
-
- unit_write_drop_in_private_format(u, mode, name, "StandardInput=%s\n", exec_input_to_string(p));
- }
-
- return 1;
-
-
- } else if (streq(name, "StandardOutput")) {
- const char *s;
- ExecOutput p;
-
- r = sd_bus_message_read(message, "s", &s);
- if (r < 0)
- return r;
-
- p = exec_output_from_string(s);
- if (p < 0)
- return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid standard output name");
-
- if (mode != UNIT_CHECK) {
- c->std_output = p;
-
- unit_write_drop_in_private_format(u, mode, name, "StandardOutput=%s\n", exec_output_to_string(p));
- }
-
- return 1;
-
- } else if (streq(name, "StandardError")) {
- const char *s;
- ExecOutput p;
-
- r = sd_bus_message_read(message, "s", &s);
- if (r < 0)
- return r;
-
- p = exec_output_from_string(s);
- if (p < 0)
- return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid standard error name");
-
- if (mode != UNIT_CHECK) {
- c->std_error = p;
-
- unit_write_drop_in_private_format(u, mode, name, "StandardError=%s\n", exec_output_to_string(p));
- }
-
- return 1;
-
- } else if (streq(name, "Environment")) {
-
- _cleanup_strv_free_ char **l = NULL;
-
- r = sd_bus_message_read_strv(message, &l);
- if (r < 0)
- return r;
-
- if (!strv_env_is_valid(l))
- return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid environment block.");
-
- if (mode != UNIT_CHECK) {
- _cleanup_free_ char *joined = NULL;
- char **e;
-
- e = strv_env_merge(2, c->environment, l);
- if (!e)
- return -ENOMEM;
-
- strv_free(c->environment);
- c->environment = e;
-
- joined = strv_join_quoted(c->environment);
- if (!joined)
- return -ENOMEM;
-
- unit_write_drop_in_private_format(u, mode, name, "Environment=%s\n", joined);
- }
-
- return 1;
-
- } else if (rlimit_from_string(name) >= 0) {
- uint64_t rl;
- rlim_t x;
-
- r = sd_bus_message_read(message, "t", &rl);
- if (r < 0)
- return r;
-
- if (rl == (uint64_t) -1)
- x = RLIM_INFINITY;
- else {
- x = (rlim_t) rl;
-
- if ((uint64_t) x != rl)
- return -ERANGE;
- }
-
- if (mode != UNIT_CHECK) {
- int z;
-
- z = rlimit_from_string(name);
-
- if (!c->rlimit[z]) {
- c->rlimit[z] = new(struct rlimit, 1);
- if (!c->rlimit[z])
- return -ENOMEM;
- }
-
- c->rlimit[z]->rlim_cur = c->rlimit[z]->rlim_max = x;
-
- if (x == RLIM_INFINITY)
- unit_write_drop_in_private_format(u, mode, name, "%s=infinity\n", name);
- else
- unit_write_drop_in_private_format(u, mode, name, "%s=%" PRIu64 "\n", name, rl);
- }
-
- return 1;
- }
-
- return 0;
-}
~ianmdlvl / elogind.git / blobdiff