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901 lines
31 KiB
C
901 lines
31 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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/***
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This file is part of systemd.
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Copyright 2010 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <sys/prctl.h>
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#ifdef HAVE_SECCOMP
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#include <seccomp.h>
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#endif
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#include "bus-util.h"
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#include "missing.h"
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#include "ioprio.h"
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#include "strv.h"
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#include "fileio.h"
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#include "execute.h"
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#include "dbus-execute.h"
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#include "capability.h"
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#include "env-util.h"
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#include "af-list.h"
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#include "namespace.h"
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#ifdef HAVE_SECCOMP
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#include "seccomp-util.h"
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#endif
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BUS_DEFINE_PROPERTY_GET_ENUM(bus_property_get_exec_output, exec_output, ExecOutput);
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static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_exec_input, exec_input, ExecInput);
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static BUS_DEFINE_PROPERTY_GET_ENUM(bus_property_get_protect_home, protect_home, ProtectHome);
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static BUS_DEFINE_PROPERTY_GET_ENUM(bus_property_get_protect_system, protect_system, ProtectSystem);
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static int property_get_environment_files(
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sd_bus *bus,
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const char *path,
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const char *interface,
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const char *property,
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sd_bus_message *reply,
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void *userdata,
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sd_bus_error *error) {
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ExecContext *c = userdata;
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char **j;
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int r;
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assert(bus);
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assert(reply);
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assert(c);
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r = sd_bus_message_open_container(reply, 'a', "(sb)");
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if (r < 0)
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return r;
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STRV_FOREACH(j, c->environment_files) {
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const char *fn = *j;
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r = sd_bus_message_append(reply, "(sb)", fn[0] == '-' ? fn + 1 : fn, fn[0] == '-');
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if (r < 0)
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return r;
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}
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return sd_bus_message_close_container(reply);
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}
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static int property_get_rlimit(
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sd_bus *bus,
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const char *path,
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const char *interface,
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const char *property,
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sd_bus_message *reply,
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void *userdata,
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sd_bus_error *error) {
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struct rlimit *rl;
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uint64_t u;
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rlim_t x;
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assert(bus);
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assert(reply);
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assert(userdata);
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rl = *(struct rlimit**) userdata;
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if (rl)
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x = rl->rlim_max;
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else {
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struct rlimit buf = {};
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int z;
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z = rlimit_from_string(property);
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assert(z >= 0);
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getrlimit(z, &buf);
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x = buf.rlim_max;
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}
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/* rlim_t might have different sizes, let's map
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* RLIMIT_INFINITY to (uint64_t) -1, so that it is the same on
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* all archs */
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u = x == RLIM_INFINITY ? (uint64_t) -1 : (uint64_t) x;
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return sd_bus_message_append(reply, "t", u);
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}
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static int property_get_oom_score_adjust(
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sd_bus *bus,
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const char *path,
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const char *interface,
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const char *property,
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sd_bus_message *reply,
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void *userdata,
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sd_bus_error *error) {
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ExecContext *c = userdata;
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int32_t n;
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assert(bus);
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assert(reply);
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assert(c);
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if (c->oom_score_adjust_set)
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n = c->oom_score_adjust;
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else {
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_cleanup_free_ char *t = NULL;
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n = 0;
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if (read_one_line_file("/proc/self/oom_score_adj", &t) >= 0)
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safe_atoi(t, &n);
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}
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return sd_bus_message_append(reply, "i", n);
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}
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static int property_get_nice(
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sd_bus *bus,
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const char *path,
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const char *interface,
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const char *property,
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sd_bus_message *reply,
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void *userdata,
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sd_bus_error *error) {
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ExecContext *c = userdata;
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int32_t n;
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assert(bus);
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assert(reply);
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assert(c);
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if (c->nice_set)
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n = c->nice;
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else {
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errno = 0;
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n = getpriority(PRIO_PROCESS, 0);
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if (errno != 0)
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n = 0;
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}
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return sd_bus_message_append(reply, "i", n);
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}
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static int property_get_ioprio(
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sd_bus *bus,
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const char *path,
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const char *interface,
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const char *property,
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sd_bus_message *reply,
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void *userdata,
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sd_bus_error *error) {
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ExecContext *c = userdata;
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int32_t n;
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assert(bus);
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assert(reply);
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assert(c);
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if (c->ioprio_set)
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n = c->ioprio;
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else {
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n = ioprio_get(IOPRIO_WHO_PROCESS, 0);
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if (n < 0)
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n = IOPRIO_PRIO_VALUE(IOPRIO_CLASS_BE, 4);
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}
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return sd_bus_message_append(reply, "i", n);
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}
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static int property_get_cpu_sched_policy(
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sd_bus *bus,
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const char *path,
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const char *interface,
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const char *property,
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sd_bus_message *reply,
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void *userdata,
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sd_bus_error *error) {
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ExecContext *c = userdata;
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int32_t n;
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assert(bus);
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assert(reply);
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assert(c);
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if (c->cpu_sched_set)
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n = c->cpu_sched_policy;
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else {
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n = sched_getscheduler(0);
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if (n < 0)
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n = SCHED_OTHER;
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}
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return sd_bus_message_append(reply, "i", n);
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}
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static int property_get_cpu_sched_priority(
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sd_bus *bus,
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const char *path,
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const char *interface,
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const char *property,
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sd_bus_message *reply,
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void *userdata,
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sd_bus_error *error) {
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ExecContext *c = userdata;
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int32_t n;
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assert(bus);
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assert(reply);
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assert(c);
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if (c->cpu_sched_set)
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n = c->cpu_sched_priority;
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else {
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struct sched_param p = {};
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if (sched_getparam(0, &p) >= 0)
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n = p.sched_priority;
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else
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n = 0;
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}
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return sd_bus_message_append(reply, "i", n);
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}
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static int property_get_cpu_affinity(
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sd_bus *bus,
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const char *path,
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const char *interface,
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const char *property,
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sd_bus_message *reply,
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void *userdata,
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sd_bus_error *error) {
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ExecContext *c = userdata;
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assert(bus);
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assert(reply);
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assert(c);
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if (c->cpuset)
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return sd_bus_message_append_array(reply, 'y', c->cpuset, CPU_ALLOC_SIZE(c->cpuset_ncpus));
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else
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return sd_bus_message_append_array(reply, 'y', NULL, 0);
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}
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static int property_get_timer_slack_nsec(
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sd_bus *bus,
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const char *path,
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const char *interface,
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const char *property,
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sd_bus_message *reply,
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void *userdata,
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sd_bus_error *error) {
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ExecContext *c = userdata;
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uint64_t u;
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assert(bus);
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assert(reply);
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assert(c);
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if (c->timer_slack_nsec != NSEC_INFINITY)
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u = (uint64_t) c->timer_slack_nsec;
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else
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u = (uint64_t) prctl(PR_GET_TIMERSLACK);
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return sd_bus_message_append(reply, "t", u);
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}
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static int property_get_capability_bounding_set(
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sd_bus *bus,
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const char *path,
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const char *interface,
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const char *property,
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sd_bus_message *reply,
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void *userdata,
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sd_bus_error *error) {
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ExecContext *c = userdata;
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assert(bus);
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assert(reply);
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assert(c);
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/* We store this negated internally, to match the kernel, but
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* we expose it normalized. */
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return sd_bus_message_append(reply, "t", ~c->capability_bounding_set_drop);
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}
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static int property_get_capabilities(
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sd_bus *bus,
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const char *path,
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const char *interface,
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const char *property,
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sd_bus_message *reply,
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void *userdata,
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sd_bus_error *error) {
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ExecContext *c = userdata;
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_cleanup_cap_free_charp_ char *t = NULL;
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const char *s;
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assert(bus);
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assert(reply);
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assert(c);
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if (c->capabilities)
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s = t = cap_to_text(c->capabilities, NULL);
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else
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s = "";
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if (!s)
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return -ENOMEM;
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return sd_bus_message_append(reply, "s", s);
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}
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static int property_get_syscall_filter(
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sd_bus *bus,
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const char *path,
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const char *interface,
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const char *property,
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sd_bus_message *reply,
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void *userdata,
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sd_bus_error *error) {
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ExecContext *c = userdata;
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_cleanup_strv_free_ char **l = NULL;
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int r;
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#ifdef HAVE_SECCOMP
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Iterator i;
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void *id;
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#endif
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assert(bus);
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assert(reply);
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assert(c);
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r = sd_bus_message_open_container(reply, 'r', "bas");
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if (r < 0)
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return r;
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r = sd_bus_message_append(reply, "b", c->syscall_whitelist);
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if (r < 0)
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return r;
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#ifdef HAVE_SECCOMP
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SET_FOREACH(id, c->syscall_filter, i) {
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char *name;
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name = seccomp_syscall_resolve_num_arch(SCMP_ARCH_NATIVE, PTR_TO_INT(id) - 1);
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if (!name)
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continue;
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r = strv_consume(&l, name);
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if (r < 0)
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return r;
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}
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#endif
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strv_sort(l);
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r = sd_bus_message_append_strv(reply, l);
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if (r < 0)
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return r;
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return sd_bus_message_close_container(reply);
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}
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static int property_get_syscall_archs(
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sd_bus *bus,
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const char *path,
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const char *interface,
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const char *property,
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sd_bus_message *reply,
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void *userdata,
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sd_bus_error *error) {
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ExecContext *c = userdata;
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_cleanup_strv_free_ char **l = NULL;
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int r;
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#ifdef HAVE_SECCOMP
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Iterator i;
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void *id;
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#endif
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assert(bus);
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assert(reply);
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assert(c);
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#ifdef HAVE_SECCOMP
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SET_FOREACH(id, c->syscall_archs, i) {
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const char *name;
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name = seccomp_arch_to_string(PTR_TO_UINT32(id) - 1);
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if (!name)
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continue;
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r = strv_extend(&l, name);
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if (r < 0)
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return -ENOMEM;
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}
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#endif
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strv_sort(l);
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r = sd_bus_message_append_strv(reply, l);
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if (r < 0)
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return r;
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return 0;
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}
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static int property_get_syscall_errno(
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sd_bus *bus,
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const char *path,
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const char *interface,
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const char *property,
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sd_bus_message *reply,
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void *userdata,
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sd_bus_error *error) {
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ExecContext *c = userdata;
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assert(bus);
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assert(reply);
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assert(c);
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return sd_bus_message_append(reply, "i", (int32_t) c->syscall_errno);
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}
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static int property_get_selinux_context(
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sd_bus *bus,
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const char *path,
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const char *interface,
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const char *property,
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sd_bus_message *reply,
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void *userdata,
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sd_bus_error *error) {
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ExecContext *c = userdata;
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assert(bus);
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assert(reply);
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assert(c);
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return sd_bus_message_append(reply, "(bs)", c->selinux_context_ignore, c->selinux_context);
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}
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static int property_get_apparmor_profile(
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sd_bus *bus,
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const char *path,
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const char *interface,
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const char *property,
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sd_bus_message *reply,
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void *userdata,
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sd_bus_error *error) {
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ExecContext *c = userdata;
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assert(bus);
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assert(reply);
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assert(c);
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return sd_bus_message_append(reply, "(bs)", c->apparmor_profile_ignore, c->apparmor_profile);
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}
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static int property_get_personality(
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sd_bus *bus,
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const char *path,
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const char *interface,
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const char *property,
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sd_bus_message *reply,
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void *userdata,
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sd_bus_error *error) {
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ExecContext *c = userdata;
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assert(bus);
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assert(reply);
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assert(c);
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return sd_bus_message_append(reply, "s", personality_to_string(c->personality));
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}
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static int property_get_address_families(
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sd_bus *bus,
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const char *path,
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const char *interface,
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const char *property,
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sd_bus_message *reply,
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void *userdata,
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sd_bus_error *error) {
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ExecContext *c = userdata;
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_cleanup_strv_free_ char **l = NULL;
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Iterator i;
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void *af;
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int r;
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assert(bus);
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assert(reply);
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assert(c);
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r = sd_bus_message_open_container(reply, 'r', "bas");
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if (r < 0)
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return r;
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r = sd_bus_message_append(reply, "b", c->address_families_whitelist);
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if (r < 0)
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return r;
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SET_FOREACH(af, c->address_families, i) {
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const char *name;
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name = af_to_name(PTR_TO_INT(af));
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if (!name)
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continue;
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r = strv_extend(&l, name);
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if (r < 0)
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return -ENOMEM;
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}
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strv_sort(l);
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r = sd_bus_message_append_strv(reply, l);
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if (r < 0)
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return r;
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return sd_bus_message_close_container(reply);
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}
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const sd_bus_vtable bus_exec_vtable[] = {
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SD_BUS_VTABLE_START(0),
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SD_BUS_PROPERTY("Environment", "as", NULL, offsetof(ExecContext, environment), SD_BUS_VTABLE_PROPERTY_CONST),
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SD_BUS_PROPERTY("EnvironmentFiles", "a(sb)", property_get_environment_files, 0, SD_BUS_VTABLE_PROPERTY_CONST),
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SD_BUS_PROPERTY("UMask", "u", bus_property_get_mode, offsetof(ExecContext, umask), SD_BUS_VTABLE_PROPERTY_CONST),
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SD_BUS_PROPERTY("LimitCPU", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_CPU]), SD_BUS_VTABLE_PROPERTY_CONST),
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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("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, "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;
|
|
}
|