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-rw-r--r--src/core/dbus-execute.c2423
1 files changed, 2423 insertions, 0 deletions
diff --git a/src/core/dbus-execute.c b/src/core/dbus-execute.c
new file mode 100644
index 0000000..11301e4
--- /dev/null
+++ b/src/core/dbus-execute.c
@@ -0,0 +1,2423 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
+
+#include <sys/mount.h>
+#include <sys/prctl.h>
+#include <stdio_ext.h>
+
+#if HAVE_SECCOMP
+#include <seccomp.h>
+#endif
+
+#include "af-list.h"
+#include "alloc-util.h"
+#include "bus-util.h"
+#include "cap-list.h"
+#include "capability-util.h"
+#include "cpu-set-util.h"
+#include "dbus-execute.h"
+#include "dbus-util.h"
+#include "env-util.h"
+#include "errno-list.h"
+#include "escape.h"
+#include "execute.h"
+#include "fd-util.h"
+#include "fileio.h"
+#include "hexdecoct.h"
+#include "io-util.h"
+#include "ioprio.h"
+#include "journal-util.h"
+#include "missing.h"
+#include "mountpoint-util.h"
+#include "namespace.h"
+#include "parse-util.h"
+#include "path-util.h"
+#include "process-util.h"
+#include "rlimit-util.h"
+#if HAVE_SECCOMP
+#include "seccomp-util.h"
+#endif
+#include "securebits-util.h"
+#include "specifier.h"
+#include "strv.h"
+#include "syslog-util.h"
+#include "unit-printf.h"
+#include "user-util.h"
+#include "utf8.h"
+
+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(property_get_exec_utmp_mode, exec_utmp_mode, ExecUtmpMode);
+static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_exec_preserve_mode, exec_preserve_mode, ExecPreserveMode);
+static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_exec_keyring_mode, exec_keyring_mode, ExecKeyringMode);
+static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_protect_home, protect_home, ProtectHome);
+static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_protect_system, protect_system, ProtectSystem);
+static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_personality, personality, unsigned long);
+static BUS_DEFINE_PROPERTY_GET(property_get_ioprio, "i", ExecContext, exec_context_get_effective_ioprio);
+static BUS_DEFINE_PROPERTY_GET2(property_get_ioprio_class, "i", ExecContext, exec_context_get_effective_ioprio, IOPRIO_PRIO_CLASS);
+static BUS_DEFINE_PROPERTY_GET2(property_get_ioprio_priority, "i", ExecContext, exec_context_get_effective_ioprio, IOPRIO_PRIO_DATA);
+static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_empty_string, "s", NULL);
+static BUS_DEFINE_PROPERTY_GET_REF(property_get_syslog_level, "i", int, LOG_PRI);
+static BUS_DEFINE_PROPERTY_GET_REF(property_get_syslog_facility, "i", int, LOG_FAC);
+
+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_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_atoi32(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_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);
+
+ return sd_bus_message_append_array(reply, 'y', c->cpuset, CPU_ALLOC_SIZE(c->cpuset_ncpus));
+}
+
+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_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;
+
+#if HAVE_SECCOMP
+ Iterator i;
+ void *id, *val;
+#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;
+
+#if HAVE_SECCOMP
+ HASHMAP_FOREACH_KEY(val, id, c->syscall_filter, i) {
+ _cleanup_free_ char *name = NULL;
+ const char *e = NULL;
+ char *s;
+ int num = PTR_TO_INT(val);
+
+ name = seccomp_syscall_resolve_num_arch(SCMP_ARCH_NATIVE, PTR_TO_INT(id) - 1);
+ if (!name)
+ continue;
+
+ if (num >= 0) {
+ e = errno_to_name(num);
+ if (e) {
+ s = strjoin(name, ":", e);
+ if (!s)
+ return -ENOMEM;
+ } else {
+ r = asprintf(&s, "%s:%d", name, num);
+ if (r < 0)
+ return -ENOMEM;
+ }
+ } else
+ s = TAKE_PTR(name);
+
+ r = strv_consume(&l, s);
+ 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;
+
+#if HAVE_SECCOMP
+ Iterator i;
+ void *id;
+#endif
+
+ assert(bus);
+ assert(reply);
+ assert(c);
+
+#if 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_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_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);
+}
+
+static int property_get_working_directory(
+ 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;
+ const char *wd;
+
+ assert(bus);
+ assert(reply);
+ assert(c);
+
+ if (c->working_directory_home)
+ wd = "~";
+ else
+ wd = c->working_directory;
+
+ if (c->working_directory_missing_ok)
+ wd = strjoina("!", wd);
+
+ return sd_bus_message_append(reply, "s", wd);
+}
+
+static int property_get_stdio_fdname(
+ 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;
+ int fileno;
+
+ assert(bus);
+ assert(c);
+ assert(property);
+ assert(reply);
+
+ if (streq(property, "StandardInputFileDescriptorName"))
+ fileno = STDIN_FILENO;
+ else if (streq(property, "StandardOutputFileDescriptorName"))
+ fileno = STDOUT_FILENO;
+ else {
+ assert(streq(property, "StandardErrorFileDescriptorName"));
+ fileno = STDERR_FILENO;
+ }
+
+ return sd_bus_message_append(reply, "s", exec_context_fdname(c, fileno));
+}
+
+static int property_get_input_data(
+ 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(c);
+ assert(property);
+ assert(reply);
+
+ return sd_bus_message_append_array(reply, 'y', c->stdin_data, c->stdin_data_size);
+}
+
+static int property_get_bind_paths(
+ 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;
+ unsigned i;
+ bool ro;
+ int r;
+
+ assert(bus);
+ assert(c);
+ assert(property);
+ assert(reply);
+
+ ro = strstr(property, "ReadOnly");
+
+ r = sd_bus_message_open_container(reply, 'a', "(ssbt)");
+ if (r < 0)
+ return r;
+
+ for (i = 0; i < c->n_bind_mounts; i++) {
+
+ if (ro != c->bind_mounts[i].read_only)
+ continue;
+
+ r = sd_bus_message_append(
+ reply, "(ssbt)",
+ c->bind_mounts[i].source,
+ c->bind_mounts[i].destination,
+ c->bind_mounts[i].ignore_enoent,
+ c->bind_mounts[i].recursive ? (uint64_t) MS_REC : (uint64_t) 0);
+ if (r < 0)
+ return r;
+ }
+
+ return sd_bus_message_close_container(reply);
+}
+
+static int property_get_temporary_filesystems(
+ 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;
+ unsigned i;
+ int r;
+
+ assert(bus);
+ assert(c);
+ assert(property);
+ assert(reply);
+
+ r = sd_bus_message_open_container(reply, 'a', "(ss)");
+ if (r < 0)
+ return r;
+
+ for (i = 0; i < c->n_temporary_filesystems; i++) {
+ TemporaryFileSystem *t = c->temporary_filesystems + i;
+
+ r = sd_bus_message_append(
+ reply, "(ss)",
+ t->path,
+ t->options);
+ if (r < 0)
+ return r;
+ }
+
+ return sd_bus_message_close_container(reply);
+}
+
+static int property_get_log_extra_fields(
+ 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;
+ size_t i;
+ int r;
+
+ assert(bus);
+ assert(c);
+ assert(property);
+ assert(reply);
+
+ r = sd_bus_message_open_container(reply, 'a', "ay");
+ if (r < 0)
+ return r;
+
+ for (i = 0; i < c->n_log_extra_fields; i++) {
+ r = sd_bus_message_append_array(reply, 'y', c->log_extra_fields[i].iov_base, c->log_extra_fields[i].iov_len);
+ 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("PassEnvironment", "as", NULL, offsetof(ExecContext, pass_environment), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("UnsetEnvironment", "as", NULL, offsetof(ExecContext, unset_environment), 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", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_CPU]), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("LimitCPUSoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_CPU]), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("LimitFSIZE", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_FSIZE]), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("LimitFSIZESoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_FSIZE]), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("LimitDATA", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_DATA]), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("LimitDATASoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_DATA]), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("LimitSTACK", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_STACK]), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("LimitSTACKSoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_STACK]), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("LimitCORE", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_CORE]), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("LimitCORESoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_CORE]), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("LimitRSS", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_RSS]), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("LimitRSSSoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_RSS]), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("LimitNOFILE", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_NOFILE]), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("LimitNOFILESoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_NOFILE]), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("LimitAS", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_AS]), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("LimitASSoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_AS]), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("LimitNPROC", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_NPROC]), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("LimitNPROCSoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_NPROC]), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("LimitMEMLOCK", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_MEMLOCK]), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("LimitMEMLOCKSoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_MEMLOCK]), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("LimitLOCKS", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_LOCKS]), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("LimitLOCKSSoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_LOCKS]), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("LimitSIGPENDING", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_SIGPENDING]), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("LimitSIGPENDINGSoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_SIGPENDING]), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("LimitMSGQUEUE", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_MSGQUEUE]), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("LimitMSGQUEUESoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_MSGQUEUE]), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("LimitNICE", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_NICE]), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("LimitNICESoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_NICE]), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("LimitRTPRIO", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_RTPRIO]), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("LimitRTPRIOSoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_RTPRIO]), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("LimitRTTIME", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_RTTIME]), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("LimitRTTIMESoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_RTTIME]), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("WorkingDirectory", "s", property_get_working_directory, 0, SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("RootDirectory", "s", NULL, offsetof(ExecContext, root_directory), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("RootImage", "s", NULL, offsetof(ExecContext, root_image), 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("IOSchedulingClass", "i", property_get_ioprio_class, 0, SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("IOSchedulingPriority", "i", property_get_ioprio_priority, 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("StandardInputFileDescriptorName", "s", property_get_stdio_fdname, 0, SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("StandardInputData", "ay", property_get_input_data, 0, 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("StandardOutputFileDescriptorName", "s", property_get_stdio_fdname, 0, 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("StandardErrorFileDescriptorName", "s", property_get_stdio_fdname, 0, 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("SyslogLevel", "i", property_get_syslog_level, offsetof(ExecContext, syslog_priority), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("SyslogFacility", "i", property_get_syslog_facility, offsetof(ExecContext, syslog_priority), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("LogLevelMax", "i", bus_property_get_int, offsetof(ExecContext, log_level_max), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("LogRateLimitIntervalUSec", "t", bus_property_get_usec, offsetof(ExecContext, log_rate_limit_interval_usec), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("LogRateLimitBurst", "u", bus_property_get_unsigned, offsetof(ExecContext, log_rate_limit_burst), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("LogExtraFields", "aay", property_get_log_extra_fields, 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", NULL, offsetof(ExecContext, capability_bounding_set), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("AmbientCapabilities", "t", NULL, offsetof(ExecContext, capability_ambient_set), 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("DynamicUser", "b", bus_property_get_bool, offsetof(ExecContext, dynamic_user), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("RemoveIPC", "b", bus_property_get_bool, offsetof(ExecContext, remove_ipc), 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("ReadWritePaths", "as", NULL, offsetof(ExecContext, read_write_paths), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("ReadOnlyPaths", "as", NULL, offsetof(ExecContext, read_only_paths), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("InaccessiblePaths", "as", NULL, offsetof(ExecContext, inaccessible_paths), 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("PrivateDevices", "b", bus_property_get_bool, offsetof(ExecContext, private_devices), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("ProtectKernelTunables", "b", bus_property_get_bool, offsetof(ExecContext, protect_kernel_tunables), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("ProtectKernelModules", "b", bus_property_get_bool, offsetof(ExecContext, protect_kernel_modules), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("ProtectControlGroups", "b", bus_property_get_bool, offsetof(ExecContext, protect_control_groups), 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("PrivateUsers", "b", bus_property_get_bool, offsetof(ExecContext, private_users), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("PrivateMounts", "b", bus_property_get_bool, offsetof(ExecContext, private_mounts), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("ProtectHome", "s", property_get_protect_home, offsetof(ExecContext, protect_home), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("ProtectSystem", "s", 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("UtmpMode", "s", property_get_exec_utmp_mode, offsetof(ExecContext, utmp_mode), 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", bus_property_get_int, offsetof(ExecContext, syscall_errno), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("Personality", "s", property_get_personality, offsetof(ExecContext, personality), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("LockPersonality", "b", bus_property_get_bool, offsetof(ExecContext, lock_personality), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("RestrictAddressFamilies", "(bas)", property_get_address_families, 0, SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("RuntimeDirectoryPreserve", "s", property_get_exec_preserve_mode, offsetof(ExecContext, runtime_directory_preserve_mode), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("RuntimeDirectoryMode", "u", bus_property_get_mode, offsetof(ExecContext, directories[EXEC_DIRECTORY_RUNTIME].mode), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("RuntimeDirectory", "as", NULL, offsetof(ExecContext, directories[EXEC_DIRECTORY_RUNTIME].paths), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("StateDirectoryMode", "u", bus_property_get_mode, offsetof(ExecContext, directories[EXEC_DIRECTORY_STATE].mode), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("StateDirectory", "as", NULL, offsetof(ExecContext, directories[EXEC_DIRECTORY_STATE].paths), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("CacheDirectoryMode", "u", bus_property_get_mode, offsetof(ExecContext, directories[EXEC_DIRECTORY_CACHE].mode), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("CacheDirectory", "as", NULL, offsetof(ExecContext, directories[EXEC_DIRECTORY_CACHE].paths), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("LogsDirectoryMode", "u", bus_property_get_mode, offsetof(ExecContext, directories[EXEC_DIRECTORY_LOGS].mode), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("LogsDirectory", "as", NULL, offsetof(ExecContext, directories[EXEC_DIRECTORY_LOGS].paths), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("ConfigurationDirectoryMode", "u", bus_property_get_mode, offsetof(ExecContext, directories[EXEC_DIRECTORY_CONFIGURATION].mode), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("ConfigurationDirectory", "as", NULL, offsetof(ExecContext, directories[EXEC_DIRECTORY_CONFIGURATION].paths), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("MemoryDenyWriteExecute", "b", bus_property_get_bool, offsetof(ExecContext, memory_deny_write_execute), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("RestrictRealtime", "b", bus_property_get_bool, offsetof(ExecContext, restrict_realtime), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("RestrictNamespaces", "t", bus_property_get_ulong, offsetof(ExecContext, restrict_namespaces), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("BindPaths", "a(ssbt)", property_get_bind_paths, 0, SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("BindReadOnlyPaths", "a(ssbt)", property_get_bind_paths, 0, SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("TemporaryFileSystem", "a(ss)", property_get_temporary_filesystems, 0, SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("MountAPIVFS", "b", bus_property_get_bool, offsetof(ExecContext, mount_apivfs), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("KeyringMode", "s", property_get_exec_keyring_mode, offsetof(ExecContext, keyring_mode), SD_BUS_VTABLE_PROPERTY_CONST),
+
+ /* Obsolete/redundant properties: */
+ SD_BUS_PROPERTY("Capabilities", "s", property_get_empty_string, 0, SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_HIDDEN),
+ SD_BUS_PROPERTY("ReadWriteDirectories", "as", NULL, offsetof(ExecContext, read_write_paths), SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_HIDDEN),
+ SD_BUS_PROPERTY("ReadOnlyDirectories", "as", NULL, offsetof(ExecContext, read_only_paths), SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_HIDDEN),
+ SD_BUS_PROPERTY("InaccessibleDirectories", "as", NULL, offsetof(ExecContext, inaccessible_paths), SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_HIDDEN),
+ SD_BUS_PROPERTY("IOScheduling", "i", property_get_ioprio, 0, SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_HIDDEN),
+
+ 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->flags & EXEC_COMMAND_IGNORE_FAILURE),
+ 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_set_transient_exec_command(
+ Unit *u,
+ const char *name,
+ ExecCommand **exec_command,
+ sd_bus_message *message,
+ UnitWriteFlags flags,
+ sd_bus_error *error) {
+ unsigned n = 0;
+ int r;
+
+ r = sd_bus_message_enter_container(message, 'a', "(sasb)");
+ if (r < 0)
+ return r;
+
+ while ((r = sd_bus_message_enter_container(message, 'r', "sasb")) > 0) {
+ _cleanup_strv_free_ char **argv = NULL;
+ const char *path;
+ int b;
+
+ r = sd_bus_message_read(message, "s", &path);
+ if (r < 0)
+ return r;
+
+ if (!path_is_absolute(path))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Path %s is not absolute.", path);
+
+ r = sd_bus_message_read_strv(message, &argv);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_read(message, "b", &b);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_exit_container(message);
+ if (r < 0)
+ return r;
+
+ if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
+ ExecCommand *c;
+
+ c = new0(ExecCommand, 1);
+ if (!c)
+ return -ENOMEM;
+
+ c->path = strdup(path);
+ if (!c->path) {
+ free(c);
+ return -ENOMEM;
+ }
+
+ c->argv = TAKE_PTR(argv);
+
+ c->flags = b ? EXEC_COMMAND_IGNORE_FAILURE : 0;
+
+ path_simplify(c->path, false);
+ exec_command_append_list(exec_command, c);
+ }
+
+ n++;
+ }
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_exit_container(message);
+ if (r < 0)
+ return r;
+
+ if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
+ _cleanup_free_ char *buf = NULL;
+ _cleanup_fclose_ FILE *f = NULL;
+ ExecCommand *c;
+ size_t size = 0;
+
+ if (n == 0)
+ *exec_command = exec_command_free_list(*exec_command);
+
+ f = open_memstream(&buf, &size);
+ if (!f)
+ return -ENOMEM;
+
+ (void) __fsetlocking(f, FSETLOCKING_BYCALLER);
+
+ fputs("ExecStart=\n", f);
+
+ LIST_FOREACH(command, c, *exec_command) {
+ _cleanup_free_ char *a = NULL, *t = NULL;
+ const char *p;
+
+ p = unit_escape_setting(c->path, UNIT_ESCAPE_C|UNIT_ESCAPE_SPECIFIERS, &t);
+ if (!p)
+ return -ENOMEM;
+
+ a = unit_concat_strv(c->argv, UNIT_ESCAPE_C|UNIT_ESCAPE_SPECIFIERS);
+ if (!a)
+ return -ENOMEM;
+
+ fprintf(f, "%s=%s@%s %s\n",
+ name,
+ c->flags & EXEC_COMMAND_IGNORE_FAILURE ? "-" : "",
+ p,
+ a);
+ }
+
+ r = fflush_and_check(f);
+ if (r < 0)
+ return r;
+
+ unit_write_setting(u, flags, name, buf);
+ }
+
+ return 1;
+}
+
+static int parse_personality(const char *s, unsigned long *p) {
+ unsigned long v;
+
+ assert(p);
+
+ v = personality_from_string(s);
+ if (v == PERSONALITY_INVALID)
+ return -EINVAL;
+
+ *p = v;
+ return 0;
+}
+
+static const char* mount_propagation_flags_to_string_with_check(unsigned long n) {
+ if (!IN_SET(n, 0, MS_SHARED, MS_PRIVATE, MS_SLAVE))
+ return NULL;
+
+ return mount_propagation_flags_to_string(n);
+}
+
+static BUS_DEFINE_SET_TRANSIENT(nsec, "t", uint64_t, nsec_t, NSEC_FMT);
+static BUS_DEFINE_SET_TRANSIENT_IS_VALID(log_level, "i", int32_t, int, "%" PRIi32, log_level_is_valid);
+#if HAVE_SECCOMP
+static BUS_DEFINE_SET_TRANSIENT_IS_VALID(errno, "i", int32_t, int, "%" PRIi32, errno_is_valid);
+#endif
+static BUS_DEFINE_SET_TRANSIENT_PARSE(std_input, ExecInput, exec_input_from_string);
+static BUS_DEFINE_SET_TRANSIENT_PARSE(std_output, ExecOutput, exec_output_from_string);
+static BUS_DEFINE_SET_TRANSIENT_PARSE(utmp_mode, ExecUtmpMode, exec_utmp_mode_from_string);
+static BUS_DEFINE_SET_TRANSIENT_PARSE(protect_system, ProtectSystem, protect_system_from_string);
+static BUS_DEFINE_SET_TRANSIENT_PARSE(protect_home, ProtectHome, protect_home_from_string);
+static BUS_DEFINE_SET_TRANSIENT_PARSE(keyring_mode, ExecKeyringMode, exec_keyring_mode_from_string);
+static BUS_DEFINE_SET_TRANSIENT_PARSE(preserve_mode, ExecPreserveMode, exec_preserve_mode_from_string);
+static BUS_DEFINE_SET_TRANSIENT_PARSE_PTR(personality, unsigned long, parse_personality);
+static BUS_DEFINE_SET_TRANSIENT_TO_STRING_ALLOC(secure_bits, "i", int32_t, int, "%" PRIi32, secure_bits_to_string_alloc_with_check);
+static BUS_DEFINE_SET_TRANSIENT_TO_STRING_ALLOC(capability, "t", uint64_t, uint64_t, "%" PRIu64, capability_set_to_string_alloc);
+static BUS_DEFINE_SET_TRANSIENT_TO_STRING_ALLOC(namespace_flag, "t", uint64_t, unsigned long, "%" PRIu64, namespace_flags_to_string);
+static BUS_DEFINE_SET_TRANSIENT_TO_STRING(mount_flags, "t", uint64_t, unsigned long, "%" PRIu64, mount_propagation_flags_to_string_with_check);
+
+int bus_exec_context_set_transient_property(
+ Unit *u,
+ ExecContext *c,
+ const char *name,
+ sd_bus_message *message,
+ UnitWriteFlags flags,
+ sd_bus_error *error) {
+
+ const char *suffix;
+ int r;
+
+ assert(u);
+ assert(c);
+ assert(name);
+ assert(message);
+
+ flags |= UNIT_PRIVATE;
+
+ if (streq(name, "User"))
+ return bus_set_transient_user(u, name, &c->user, message, flags, error);
+
+ if (streq(name, "Group"))
+ return bus_set_transient_user(u, name, &c->group, message, flags, error);
+
+ if (streq(name, "TTYPath"))
+ return bus_set_transient_path(u, name, &c->tty_path, message, flags, error);
+
+ if (streq(name, "RootImage"))
+ return bus_set_transient_path(u, name, &c->root_image, message, flags, error);
+
+ if (streq(name, "RootDirectory"))
+ return bus_set_transient_path(u, name, &c->root_directory, message, flags, error);
+
+ if (streq(name, "SyslogIdentifier"))
+ return bus_set_transient_string(u, name, &c->syslog_identifier, message, flags, error);
+
+ if (streq(name, "LogLevelMax"))
+ return bus_set_transient_log_level(u, name, &c->log_level_max, message, flags, error);
+
+ if (streq(name, "LogRateLimitIntervalUSec"))
+ return bus_set_transient_usec(u, name, &c->log_rate_limit_interval_usec, message, flags, error);
+
+ if (streq(name, "LogRateLimitBurst"))
+ return bus_set_transient_unsigned(u, name, &c->log_rate_limit_burst, message, flags, error);
+
+ if (streq(name, "Personality"))
+ return bus_set_transient_personality(u, name, &c->personality, message, flags, error);
+
+ if (streq(name, "StandardInput"))
+ return bus_set_transient_std_input(u, name, &c->std_input, message, flags, error);
+
+ if (streq(name, "StandardOutput"))
+ return bus_set_transient_std_output(u, name, &c->std_output, message, flags, error);
+
+ if (streq(name, "StandardError"))
+ return bus_set_transient_std_output(u, name, &c->std_error, message, flags, error);
+
+ if (streq(name, "IgnoreSIGPIPE"))
+ return bus_set_transient_bool(u, name, &c->ignore_sigpipe, message, flags, error);
+
+ if (streq(name, "TTYVHangup"))
+ return bus_set_transient_bool(u, name, &c->tty_vhangup, message, flags, error);
+
+ if (streq(name, "TTYReset"))
+ return bus_set_transient_bool(u, name, &c->tty_reset, message, flags, error);
+
+ if (streq(name, "TTYVTDisallocate"))
+ return bus_set_transient_bool(u, name, &c->tty_vt_disallocate, message, flags, error);
+
+ if (streq(name, "PrivateTmp"))
+ return bus_set_transient_bool(u, name, &c->private_tmp, message, flags, error);
+
+ if (streq(name, "PrivateDevices"))
+ return bus_set_transient_bool(u, name, &c->private_devices, message, flags, error);
+
+ if (streq(name, "PrivateMounts"))
+ return bus_set_transient_bool(u, name, &c->private_mounts, message, flags, error);
+
+ if (streq(name, "PrivateNetwork"))
+ return bus_set_transient_bool(u, name, &c->private_network, message, flags, error);
+
+ if (streq(name, "PrivateUsers"))
+ return bus_set_transient_bool(u, name, &c->private_users, message, flags, error);
+
+ if (streq(name, "NoNewPrivileges"))
+ return bus_set_transient_bool(u, name, &c->no_new_privileges, message, flags, error);
+
+ if (streq(name, "SyslogLevelPrefix"))
+ return bus_set_transient_bool(u, name, &c->syslog_level_prefix, message, flags, error);
+
+ if (streq(name, "MemoryDenyWriteExecute"))
+ return bus_set_transient_bool(u, name, &c->memory_deny_write_execute, message, flags, error);
+
+ if (streq(name, "RestrictRealtime"))
+ return bus_set_transient_bool(u, name, &c->restrict_realtime, message, flags, error);
+
+ if (streq(name, "DynamicUser"))
+ return bus_set_transient_bool(u, name, &c->dynamic_user, message, flags, error);
+
+ if (streq(name, "RemoveIPC"))
+ return bus_set_transient_bool(u, name, &c->remove_ipc, message, flags, error);
+
+ if (streq(name, "ProtectKernelTunables"))
+ return bus_set_transient_bool(u, name, &c->protect_kernel_tunables, message, flags, error);
+
+ if (streq(name, "ProtectKernelModules"))
+ return bus_set_transient_bool(u, name, &c->protect_kernel_modules, message, flags, error);
+
+ if (streq(name, "ProtectControlGroups"))
+ return bus_set_transient_bool(u, name, &c->protect_control_groups, message, flags, error);
+
+ if (streq(name, "MountAPIVFS"))
+ return bus_set_transient_bool(u, name, &c->mount_apivfs, message, flags, error);
+
+ if (streq(name, "CPUSchedulingResetOnFork"))
+ return bus_set_transient_bool(u, name, &c->cpu_sched_reset_on_fork, message, flags, error);
+
+ if (streq(name, "NonBlocking"))
+ return bus_set_transient_bool(u, name, &c->non_blocking, message, flags, error);
+
+ if (streq(name, "LockPersonality"))
+ return bus_set_transient_bool(u, name, &c->lock_personality, message, flags, error);
+
+ if (streq(name, "UtmpIdentifier"))
+ return bus_set_transient_string(u, name, &c->utmp_id, message, flags, error);
+
+ if (streq(name, "UtmpMode"))
+ return bus_set_transient_utmp_mode(u, name, &c->utmp_mode, message, flags, error);
+
+ if (streq(name, "PAMName"))
+ return bus_set_transient_string(u, name, &c->pam_name, message, flags, error);
+
+ if (streq(name, "TimerSlackNSec"))
+ return bus_set_transient_nsec(u, name, &c->timer_slack_nsec, message, flags, error);
+
+ if (streq(name, "ProtectSystem"))
+ return bus_set_transient_protect_system(u, name, &c->protect_system, message, flags, error);
+
+ if (streq(name, "ProtectHome"))
+ return bus_set_transient_protect_home(u, name, &c->protect_home, message, flags, error);
+
+ if (streq(name, "KeyringMode"))
+ return bus_set_transient_keyring_mode(u, name, &c->keyring_mode, message, flags, error);
+
+ if (streq(name, "RuntimeDirectoryPreserve"))
+ return bus_set_transient_preserve_mode(u, name, &c->runtime_directory_preserve_mode, message, flags, error);
+
+ if (streq(name, "UMask"))
+ return bus_set_transient_mode_t(u, name, &c->umask, message, flags, error);
+
+ if (streq(name, "RuntimeDirectoryMode"))
+ return bus_set_transient_mode_t(u, name, &c->directories[EXEC_DIRECTORY_RUNTIME].mode, message, flags, error);
+
+ if (streq(name, "StateDirectoryMode"))
+ return bus_set_transient_mode_t(u, name, &c->directories[EXEC_DIRECTORY_STATE].mode, message, flags, error);
+
+ if (streq(name, "CacheDirectoryMode"))
+ return bus_set_transient_mode_t(u, name, &c->directories[EXEC_DIRECTORY_CACHE].mode, message, flags, error);
+
+ if (streq(name, "LogsDirectoryMode"))
+ return bus_set_transient_mode_t(u, name, &c->directories[EXEC_DIRECTORY_LOGS].mode, message, flags, error);
+
+ if (streq(name, "ConfigurationDirectoryMode"))
+ return bus_set_transient_mode_t(u, name, &c->directories[EXEC_DIRECTORY_CONFIGURATION].mode, message, flags, error);
+
+ if (streq(name, "SELinuxContext"))
+ return bus_set_transient_string(u, name, &c->selinux_context, message, flags, error);
+
+ if (streq(name, "SecureBits"))
+ return bus_set_transient_secure_bits(u, name, &c->secure_bits, message, flags, error);
+
+ if (streq(name, "CapabilityBoundingSet"))
+ return bus_set_transient_capability(u, name, &c->capability_bounding_set, message, flags, error);
+
+ if (streq(name, "AmbientCapabilities"))
+ return bus_set_transient_capability(u, name, &c->capability_ambient_set, message, flags, error);
+
+ if (streq(name, "RestrictNamespaces"))
+ return bus_set_transient_namespace_flag(u, name, &c->restrict_namespaces, message, flags, error);
+
+ if (streq(name, "MountFlags"))
+ return bus_set_transient_mount_flags(u, name, &c->mount_flags, message, flags, error);
+
+ if (streq(name, "SupplementaryGroups")) {
+ _cleanup_strv_free_ char **l = NULL;
+ char **p;
+
+ r = sd_bus_message_read_strv(message, &l);
+ if (r < 0)
+ return r;
+
+ STRV_FOREACH(p, l) {
+ if (!isempty(*p) && !valid_user_group_name_or_id(*p))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid supplementary group names");
+ }
+
+ if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
+ if (strv_isempty(l)) {
+ c->supplementary_groups = strv_free(c->supplementary_groups);
+ unit_write_settingf(u, flags, name, "%s=", name);
+ } else {
+ _cleanup_free_ char *joined = NULL;
+
+ r = strv_extend_strv(&c->supplementary_groups, l, true);
+ if (r < 0)
+ return -ENOMEM;
+
+ joined = strv_join(c->supplementary_groups, " ");
+ if (!joined)
+ return -ENOMEM;
+
+ unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS, name, "%s=%s", name, joined);
+ }
+ }
+
+ return 1;
+
+ } else if (streq(name, "SyslogLevel")) {
+ int32_t level;
+
+ r = sd_bus_message_read(message, "i", &level);
+ if (r < 0)
+ return r;
+
+ if (!log_level_is_valid(level))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Log level value out of range");
+
+ if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
+ c->syslog_priority = (c->syslog_priority & LOG_FACMASK) | level;
+ unit_write_settingf(u, flags, name, "SyslogLevel=%i", level);
+ }
+
+ return 1;
+
+ } else if (streq(name, "SyslogFacility")) {
+ int32_t facility;
+
+ r = sd_bus_message_read(message, "i", &facility);
+ if (r < 0)
+ return r;
+
+ if (!log_facility_unshifted_is_valid(facility))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Log facility value out of range");
+
+ if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
+ c->syslog_priority = (facility << 3) | LOG_PRI(c->syslog_priority);
+ unit_write_settingf(u, flags, name, "SyslogFacility=%i", facility);
+ }
+
+ return 1;
+
+ } else if (streq(name, "LogExtraFields")) {
+ size_t n = 0;
+
+ r = sd_bus_message_enter_container(message, 'a', "ay");
+ if (r < 0)
+ return r;
+
+ for (;;) {
+ _cleanup_free_ void *copy = NULL;
+ struct iovec *t;
+ const char *eq;
+ const void *p;
+ size_t sz;
+
+ /* Note that we expect a byte array for each field, instead of a string. That's because on the
+ * lower-level journal fields can actually contain binary data and are not restricted to text,
+ * and we should not "lose precision" in our types on the way. That said, I am pretty sure
+ * actually encoding binary data as unit metadata is not a good idea. Hence we actually refuse
+ * any actual binary data, and only accept UTF-8. This allows us to eventually lift this
+ * limitation, should a good, valid usecase arise. */
+
+ r = sd_bus_message_read_array(message, 'y', &p, &sz);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ break;
+
+ if (memchr(p, 0, sz))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Journal field contains zero byte");
+
+ eq = memchr(p, '=', sz);
+ if (!eq)
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Journal field contains no '=' character");
+ if (!journal_field_valid(p, eq - (const char*) p, false))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Journal field invalid");
+
+ if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
+ t = reallocarray(c->log_extra_fields, c->n_log_extra_fields+1, sizeof(struct iovec));
+ if (!t)
+ return -ENOMEM;
+ c->log_extra_fields = t;
+ }
+
+ copy = malloc(sz + 1);
+ if (!copy)
+ return -ENOMEM;
+
+ memcpy(copy, p, sz);
+ ((uint8_t*) copy)[sz] = 0;
+
+ if (!utf8_is_valid(copy))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Journal field is not valid UTF-8");
+
+ if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
+ c->log_extra_fields[c->n_log_extra_fields++] = IOVEC_MAKE(copy, sz);
+ unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS|UNIT_ESCAPE_C, name, "LogExtraFields=%s", (char*) copy);
+
+ copy = NULL;
+ }
+
+ n++;
+ }
+
+ r = sd_bus_message_exit_container(message);
+ if (r < 0)
+ return r;
+
+ if (!UNIT_WRITE_FLAGS_NOOP(flags) && n == 0) {
+ exec_context_free_log_extra_fields(c);
+ unit_write_setting(u, flags, name, "LogExtraFields=");
+ }
+
+ return 1;
+ }
+
+#if HAVE_SECCOMP
+
+ if (streq(name, "SystemCallErrorNumber"))
+ return bus_set_transient_errno(u, name, &c->syscall_errno, message, flags, error);
+
+ if (streq(name, "SystemCallFilter")) {
+ int whitelist;
+ _cleanup_strv_free_ char **l = NULL;
+
+ r = sd_bus_message_enter_container(message, 'r', "bas");
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_read(message, "b", &whitelist);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_read_strv(message, &l);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_exit_container(message);
+ if (r < 0)
+ return r;
+
+ if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
+ _cleanup_free_ char *joined = NULL;
+ bool invert = !whitelist;
+ char **s;
+
+ if (strv_isempty(l)) {
+ c->syscall_whitelist = false;
+ c->syscall_filter = hashmap_free(c->syscall_filter);
+
+ unit_write_settingf(u, flags, name, "SystemCallFilter=");
+ return 1;
+ }
+
+ if (!c->syscall_filter) {
+ c->syscall_filter = hashmap_new(NULL);
+ if (!c->syscall_filter)
+ return log_oom();
+
+ c->syscall_whitelist = whitelist;
+
+ if (c->syscall_whitelist) {
+ r = seccomp_parse_syscall_filter("@default", -1, c->syscall_filter, SECCOMP_PARSE_WHITELIST | (invert ? SECCOMP_PARSE_INVERT : 0));
+ if (r < 0)
+ return r;
+ }
+ }
+
+ STRV_FOREACH(s, l) {
+ _cleanup_free_ char *n = NULL;
+ int e;
+
+ r = parse_syscall_and_errno(*s, &n, &e);
+ if (r < 0)
+ return r;
+
+ r = seccomp_parse_syscall_filter(n, e, c->syscall_filter, (invert ? SECCOMP_PARSE_INVERT : 0) | (c->syscall_whitelist ? SECCOMP_PARSE_WHITELIST : 0));
+ if (r < 0)
+ return r;
+ }
+
+ joined = strv_join(l, " ");
+ if (!joined)
+ return -ENOMEM;
+
+ unit_write_settingf(u, flags, name, "SystemCallFilter=%s%s", whitelist ? "" : "~", joined);
+ }
+
+ return 1;
+
+ } else if (streq(name, "SystemCallArchitectures")) {
+ _cleanup_strv_free_ char **l = NULL;
+
+ r = sd_bus_message_read_strv(message, &l);
+ if (r < 0)
+ return r;
+
+ if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
+ _cleanup_free_ char *joined = NULL;
+
+ if (strv_isempty(l))
+ c->syscall_archs = set_free(c->syscall_archs);
+ else {
+ char **s;
+
+ r = set_ensure_allocated(&c->syscall_archs, NULL);
+ if (r < 0)
+ return r;
+
+ STRV_FOREACH(s, l) {
+ uint32_t a;
+
+ r = seccomp_arch_from_string(*s, &a);
+ if (r < 0)
+ return r;
+
+ r = set_put(c->syscall_archs, UINT32_TO_PTR(a + 1));
+ if (r < 0)
+ return r;
+ }
+
+ }
+
+ joined = strv_join(l, " ");
+ if (!joined)
+ return -ENOMEM;
+
+ unit_write_settingf(u, flags, name, "%s=%s", name, joined);
+ }
+
+ return 1;
+
+ } else if (streq(name, "RestrictAddressFamilies")) {
+ int whitelist;
+ _cleanup_strv_free_ char **l = NULL;
+
+ r = sd_bus_message_enter_container(message, 'r', "bas");
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_read(message, "b", &whitelist);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_read_strv(message, &l);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_exit_container(message);
+ if (r < 0)
+ return r;
+
+ if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
+ _cleanup_free_ char *joined = NULL;
+ bool invert = !whitelist;
+ char **s;
+
+ if (strv_isempty(l)) {
+ c->address_families_whitelist = false;
+ c->address_families = set_free(c->address_families);
+
+ unit_write_settingf(u, flags, name, "RestrictAddressFamilies=");
+ return 1;
+ }
+
+ if (!c->address_families) {
+ c->address_families = set_new(NULL);
+ if (!c->address_families)
+ return log_oom();
+
+ c->address_families_whitelist = whitelist;
+ }
+
+ STRV_FOREACH(s, l) {
+ int af;
+
+ af = af_from_name(*s);
+ if (af < 0)
+ return af;
+
+ if (!invert == c->address_families_whitelist) {
+ r = set_put(c->address_families, INT_TO_PTR(af));
+ if (r < 0)
+ return r;
+ } else
+ (void) set_remove(c->address_families, INT_TO_PTR(af));
+ }
+
+ joined = strv_join(l, " ");
+ if (!joined)
+ return -ENOMEM;
+
+ unit_write_settingf(u, flags, name, "RestrictAddressFamilies=%s%s", whitelist ? "" : "~", joined);
+ }
+
+ return 1;
+ }
+#endif
+ if (streq(name, "CPUAffinity")) {
+ const void *a;
+ size_t n = 0;
+
+ r = sd_bus_message_read_array(message, 'y', &a, &n);
+ if (r < 0)
+ return r;
+
+ if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
+ if (n == 0) {
+ c->cpuset = cpu_set_mfree(c->cpuset);
+ c->cpuset_ncpus = 0;
+ unit_write_settingf(u, flags, name, "%s=", name);
+ } else {
+ _cleanup_free_ char *str = NULL;
+ size_t allocated = 0, len = 0, i, ncpus;
+
+ ncpus = CPU_SIZE_TO_NUM(n);
+
+ for (i = 0; i < ncpus; i++) {
+ _cleanup_free_ char *p = NULL;
+ size_t add;
+
+ if (!CPU_ISSET_S(i, n, (cpu_set_t*) a))
+ continue;
+
+ r = asprintf(&p, "%zu", i);
+ if (r < 0)
+ return -ENOMEM;
+
+ add = strlen(p);
+
+ if (!GREEDY_REALLOC(str, allocated, len + add + 2))
+ return -ENOMEM;
+
+ strcpy(mempcpy(str + len, p, add), " ");
+ len += add + 1;
+ }
+
+ if (len != 0)
+ str[len - 1] = '\0';
+
+ if (!c->cpuset || c->cpuset_ncpus < ncpus) {
+ cpu_set_t *cpuset;
+
+ cpuset = CPU_ALLOC(ncpus);
+ if (!cpuset)
+ return -ENOMEM;
+
+ CPU_ZERO_S(n, cpuset);
+ if (c->cpuset) {
+ CPU_OR_S(CPU_ALLOC_SIZE(c->cpuset_ncpus), cpuset, c->cpuset, (cpu_set_t*) a);
+ CPU_FREE(c->cpuset);
+ } else
+ CPU_OR_S(n, cpuset, cpuset, (cpu_set_t*) a);
+
+ c->cpuset = cpuset;
+ c->cpuset_ncpus = ncpus;
+ } else
+ CPU_OR_S(n, c->cpuset, c->cpuset, (cpu_set_t*) a);
+
+ unit_write_settingf(u, flags, name, "%s=%s", name, str);
+ }
+ }
+
+ return 1;
+
+ } else if (streq(name, "Nice")) {
+ int32_t q;
+
+ r = sd_bus_message_read(message, "i", &q);
+ if (r < 0)
+ return r;
+
+ if (!nice_is_valid(q))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid Nice value: %i", q);
+
+ if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
+ c->nice = q;
+ c->nice_set = true;
+
+ unit_write_settingf(u, flags, name, "Nice=%i", q);
+ }
+
+ return 1;
+
+ } else if (streq(name, "CPUSchedulingPolicy")) {
+ int32_t q;
+
+ r = sd_bus_message_read(message, "i", &q);
+ if (r < 0)
+ return r;
+
+ if (!sched_policy_is_valid(q))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid CPU scheduling policy: %i", q);
+
+ if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
+ _cleanup_free_ char *s = NULL;
+
+ r = sched_policy_to_string_alloc(q, &s);
+ if (r < 0)
+ return r;
+
+ c->cpu_sched_policy = q;
+ c->cpu_sched_priority = CLAMP(c->cpu_sched_priority, sched_get_priority_min(q), sched_get_priority_max(q));
+ c->cpu_sched_set = true;
+
+ unit_write_settingf(u, flags, name, "CPUSchedulingPolicy=%s", s);
+ }
+
+ return 1;
+
+ } else if (streq(name, "CPUSchedulingPriority")) {
+ int32_t p, min, max;
+
+ r = sd_bus_message_read(message, "i", &p);
+ if (r < 0)
+ return r;
+
+ min = sched_get_priority_min(c->cpu_sched_policy);
+ max = sched_get_priority_max(c->cpu_sched_policy);
+ if (p < min || p > max)
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid CPU scheduling priority: %i", p);
+
+ if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
+ c->cpu_sched_priority = p;
+ c->cpu_sched_set = true;
+
+ unit_write_settingf(u, flags, name, "CPUSchedulingPriority=%i", p);
+ }
+
+ return 1;
+
+ } else if (streq(name, "IOSchedulingClass")) {
+ int32_t q;
+
+ r = sd_bus_message_read(message, "i", &q);
+ if (r < 0)
+ return r;
+
+ if (!ioprio_class_is_valid(q))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid IO scheduling class: %i", q);
+
+ if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
+ _cleanup_free_ char *s = NULL;
+
+ r = ioprio_class_to_string_alloc(q, &s);
+ if (r < 0)
+ return r;
+
+ c->ioprio = IOPRIO_PRIO_VALUE(q, IOPRIO_PRIO_DATA(c->ioprio));
+ c->ioprio_set = true;
+
+ unit_write_settingf(u, flags, name, "IOSchedulingClass=%s", s);
+ }
+
+ return 1;
+
+ } else if (streq(name, "IOSchedulingPriority")) {
+ int32_t p;
+
+ r = sd_bus_message_read(message, "i", &p);
+ if (r < 0)
+ return r;
+
+ if (!ioprio_priority_is_valid(p))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid IO scheduling priority: %i", p);
+
+ if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
+ c->ioprio = IOPRIO_PRIO_VALUE(IOPRIO_PRIO_CLASS(c->ioprio), p);
+ c->ioprio_set = true;
+
+ unit_write_settingf(u, flags, name, "IOSchedulingPriority=%i", p);
+ }
+
+ return 1;
+
+ } else if (streq(name, "WorkingDirectory")) {
+ const char *s;
+ bool missing_ok;
+
+ r = sd_bus_message_read(message, "s", &s);
+ if (r < 0)
+ return r;
+
+ if (s[0] == '-') {
+ missing_ok = true;
+ s++;
+ } else
+ missing_ok = false;
+
+ if (!isempty(s) && !streq(s, "~") && !path_is_absolute(s))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "WorkingDirectory= expects an absolute path or '~'");
+
+ if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
+ if (streq(s, "~")) {
+ c->working_directory = mfree(c->working_directory);
+ c->working_directory_home = true;
+ } else {
+ r = free_and_strdup(&c->working_directory, empty_to_null(s));
+ if (r < 0)
+ return r;
+
+ c->working_directory_home = false;
+ }
+
+ c->working_directory_missing_ok = missing_ok;
+ unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS, name, "WorkingDirectory=%s%s", missing_ok ? "-" : "", s);
+ }
+
+ return 1;
+
+ } else if (STR_IN_SET(name,
+ "StandardInputFileDescriptorName", "StandardOutputFileDescriptorName", "StandardErrorFileDescriptorName")) {
+ const char *s;
+
+ r = sd_bus_message_read(message, "s", &s);
+ if (r < 0)
+ return r;
+
+ if (!isempty(s) && !fdname_is_valid(s))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid file descriptor name");
+
+ if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
+
+ if (streq(name, "StandardInputFileDescriptorName")) {
+ r = free_and_strdup(c->stdio_fdname + STDIN_FILENO, empty_to_null(s));
+ if (r < 0)
+ return r;
+
+ c->std_input = EXEC_INPUT_NAMED_FD;
+ unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS, name, "StandardInput=fd:%s", exec_context_fdname(c, STDIN_FILENO));
+
+ } else if (streq(name, "StandardOutputFileDescriptorName")) {
+ r = free_and_strdup(c->stdio_fdname + STDOUT_FILENO, empty_to_null(s));
+ if (r < 0)
+ return r;
+
+ c->std_output = EXEC_OUTPUT_NAMED_FD;
+ unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS, name, "StandardOutput=fd:%s", exec_context_fdname(c, STDOUT_FILENO));
+
+ } else {
+ assert(streq(name, "StandardErrorFileDescriptorName"));
+
+ r = free_and_strdup(&c->stdio_fdname[STDERR_FILENO], empty_to_null(s));
+ if (r < 0)
+ return r;
+
+ c->std_error = EXEC_OUTPUT_NAMED_FD;
+ unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS, name, "StandardError=fd:%s", exec_context_fdname(c, STDERR_FILENO));
+ }
+ }
+
+ return 1;
+
+ } else if (STR_IN_SET(name,
+ "StandardInputFile",
+ "StandardOutputFile", "StandardOutputFileToAppend",
+ "StandardErrorFile", "StandardErrorFileToAppend")) {
+ const char *s;
+
+ r = sd_bus_message_read(message, "s", &s);
+ if (r < 0)
+ return r;
+
+ if (!isempty(s)) {
+ if (!path_is_absolute(s))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Path %s is not absolute", s);
+ if (!path_is_normalized(s))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Path %s is not normalized", s);
+ }
+
+ if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
+
+ if (streq(name, "StandardInputFile")) {
+ r = free_and_strdup(&c->stdio_file[STDIN_FILENO], empty_to_null(s));
+ if (r < 0)
+ return r;
+
+ c->std_input = EXEC_INPUT_FILE;
+ unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS, name, "StandardInput=file:%s", s);
+
+ } else if (STR_IN_SET(name, "StandardOutputFile", "StandardOutputFileToAppend")) {
+ r = free_and_strdup(&c->stdio_file[STDOUT_FILENO], empty_to_null(s));
+ if (r < 0)
+ return r;
+
+ if (streq(name, "StandardOutputFile")) {
+ c->std_output = EXEC_OUTPUT_FILE;
+ unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS, name, "StandardOutput=file:%s", s);
+ } else {
+ assert(streq(name, "StandardOutputFileToAppend"));
+ c->std_output = EXEC_OUTPUT_FILE_APPEND;
+ unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS, name, "StandardOutput=append:%s", s);
+ }
+ } else {
+ assert(STR_IN_SET(name, "StandardErrorFile", "StandardErrorFileToAppend"));
+
+ r = free_and_strdup(&c->stdio_file[STDERR_FILENO], empty_to_null(s));
+ if (r < 0)
+ return r;
+
+ if (streq(name, "StandardErrorFile")) {
+ c->std_error = EXEC_OUTPUT_FILE;
+ unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS, name, "StandardError=file:%s", s);
+ } else {
+ assert(streq(name, "StandardErrorFileToAppend"));
+ c->std_error = EXEC_OUTPUT_FILE_APPEND;
+ unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS, name, "StandardError=append:%s", s);
+ }
+ }
+ }
+
+ return 1;
+
+ } else if (streq(name, "StandardInputData")) {
+ const void *p;
+ size_t sz;
+
+ r = sd_bus_message_read_array(message, 'y', &p, &sz);
+ if (r < 0)
+ return r;
+
+ if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
+ _cleanup_free_ char *encoded = NULL;
+
+ if (sz == 0) {
+ c->stdin_data = mfree(c->stdin_data);
+ c->stdin_data_size = 0;
+
+ unit_write_settingf(u, flags, name, "StandardInputData=");
+ } else {
+ void *q;
+ ssize_t n;
+
+ if (c->stdin_data_size + sz < c->stdin_data_size || /* check for overflow */
+ c->stdin_data_size + sz > EXEC_STDIN_DATA_MAX)
+ return -E2BIG;
+
+ n = base64mem(p, sz, &encoded);
+ if (n < 0)
+ return (int) n;
+
+ q = realloc(c->stdin_data, c->stdin_data_size + sz);
+ if (!q)
+ return -ENOMEM;
+
+ memcpy((uint8_t*) q + c->stdin_data_size, p, sz);
+
+ c->stdin_data = q;
+ c->stdin_data_size += sz;
+
+ unit_write_settingf(u, flags, name, "StandardInputData=%s", encoded);
+ }
+ }
+
+ 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 (!UNIT_WRITE_FLAGS_NOOP(flags)) {
+ if (strv_isempty(l)) {
+ c->environment = strv_free(c->environment);
+ unit_write_setting(u, flags, name, "Environment=");
+ } else {
+ _cleanup_free_ char *joined = NULL;
+ char **e;
+
+ joined = unit_concat_strv(l, UNIT_ESCAPE_SPECIFIERS|UNIT_ESCAPE_C);
+ if (!joined)
+ return -ENOMEM;
+
+ e = strv_env_merge(2, c->environment, l);
+ if (!e)
+ return -ENOMEM;
+
+ strv_free_and_replace(c->environment, e);
+ unit_write_settingf(u, flags, name, "Environment=%s", joined);
+ }
+ }
+
+ return 1;
+
+ } else if (streq(name, "UnsetEnvironment")) {
+
+ _cleanup_strv_free_ char **l = NULL;
+
+ r = sd_bus_message_read_strv(message, &l);
+ if (r < 0)
+ return r;
+
+ if (!strv_env_name_or_assignment_is_valid(l))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid UnsetEnvironment= list.");
+
+ if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
+ if (strv_isempty(l)) {
+ c->unset_environment = strv_free(c->unset_environment);
+ unit_write_setting(u, flags, name, "UnsetEnvironment=");
+ } else {
+ _cleanup_free_ char *joined = NULL;
+ char **e;
+
+ joined = unit_concat_strv(l, UNIT_ESCAPE_SPECIFIERS|UNIT_ESCAPE_C);
+ if (!joined)
+ return -ENOMEM;
+
+ e = strv_env_merge(2, c->unset_environment, l);
+ if (!e)
+ return -ENOMEM;
+
+ strv_free_and_replace(c->unset_environment, e);
+ unit_write_settingf(u, flags, name, "UnsetEnvironment=%s", joined);
+ }
+ }
+
+ return 1;
+
+ } else if (streq(name, "OOMScoreAdjust")) {
+ int oa;
+
+ r = sd_bus_message_read(message, "i", &oa);
+ if (r < 0)
+ return r;
+
+ if (!oom_score_adjust_is_valid(oa))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "OOM score adjust value out of range");
+
+ if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
+ c->oom_score_adjust = oa;
+ c->oom_score_adjust_set = true;
+ unit_write_settingf(u, flags, name, "OOMScoreAdjust=%i", oa);
+ }
+
+ return 1;
+
+ } else if (streq(name, "EnvironmentFiles")) {
+
+ _cleanup_free_ char *joined = NULL;
+ _cleanup_fclose_ FILE *f = NULL;
+ _cleanup_strv_free_ char **l = NULL;
+ size_t size = 0;
+ char **i;
+
+ r = sd_bus_message_enter_container(message, 'a', "(sb)");
+ if (r < 0)
+ return r;
+
+ f = open_memstream(&joined, &size);
+ if (!f)
+ return -ENOMEM;
+
+ (void) __fsetlocking(f, FSETLOCKING_BYCALLER);
+
+ fputs("EnvironmentFile=\n", f);
+
+ STRV_FOREACH(i, c->environment_files) {
+ _cleanup_free_ char *q = NULL;
+
+ q = specifier_escape(*i);
+ if (!q)
+ return -ENOMEM;
+
+ fprintf(f, "EnvironmentFile=%s\n", q);
+ }
+
+ while ((r = sd_bus_message_enter_container(message, 'r', "sb")) > 0) {
+ const char *path;
+ int b;
+
+ r = sd_bus_message_read(message, "sb", &path, &b);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_exit_container(message);
+ if (r < 0)
+ return r;
+
+ if (!path_is_absolute(path))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Path %s is not absolute.", path);
+
+ if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
+ _cleanup_free_ char *q = NULL;
+ char *buf;
+
+ buf = strjoin(b ? "-" : "", path);
+ if (!buf)
+ return -ENOMEM;
+
+ q = specifier_escape(buf);
+ if (!q) {
+ free(buf);
+ return -ENOMEM;
+ }
+
+ fprintf(f, "EnvironmentFile=%s\n", q);
+
+ r = strv_consume(&l, buf);
+ if (r < 0)
+ return r;
+ }
+ }
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_exit_container(message);
+ if (r < 0)
+ return r;
+
+ r = fflush_and_check(f);
+ if (r < 0)
+ return r;
+
+ if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
+ if (strv_isempty(l)) {
+ c->environment_files = strv_free(c->environment_files);
+ unit_write_setting(u, flags, name, "EnvironmentFile=");
+ } else {
+ r = strv_extend_strv(&c->environment_files, l, true);
+ if (r < 0)
+ return r;
+
+ unit_write_setting(u, flags, name, joined);
+ }
+ }
+
+ return 1;
+
+ } else if (streq(name, "PassEnvironment")) {
+
+ _cleanup_strv_free_ char **l = NULL;
+
+ r = sd_bus_message_read_strv(message, &l);
+ if (r < 0)
+ return r;
+
+ if (!strv_env_name_is_valid(l))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid PassEnvironment= block.");
+
+ if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
+ if (strv_isempty(l)) {
+ c->pass_environment = strv_free(c->pass_environment);
+ unit_write_setting(u, flags, name, "PassEnvironment=");
+ } else {
+ _cleanup_free_ char *joined = NULL;
+
+ r = strv_extend_strv(&c->pass_environment, l, true);
+ if (r < 0)
+ return r;
+
+ /* We write just the new settings out to file, with unresolved specifiers. */
+ joined = unit_concat_strv(l, UNIT_ESCAPE_SPECIFIERS);
+ if (!joined)
+ return -ENOMEM;
+
+ unit_write_settingf(u, flags, name, "PassEnvironment=%s", joined);
+ }
+ }
+
+ return 1;
+
+ } else if (STR_IN_SET(name, "ReadWriteDirectories", "ReadOnlyDirectories", "InaccessibleDirectories",
+ "ReadWritePaths", "ReadOnlyPaths", "InaccessiblePaths")) {
+ _cleanup_strv_free_ char **l = NULL;
+ char ***dirs;
+ char **p;
+
+ r = sd_bus_message_read_strv(message, &l);
+ if (r < 0)
+ return r;
+
+ STRV_FOREACH(p, l) {
+ char *i = *p;
+ size_t offset;
+
+ offset = i[0] == '-';
+ offset += i[offset] == '+';
+ if (!path_is_absolute(i + offset))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid %s", name);
+
+ path_simplify(i + offset, false);
+ }
+
+ if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
+ if (STR_IN_SET(name, "ReadWriteDirectories", "ReadWritePaths"))
+ dirs = &c->read_write_paths;
+ else if (STR_IN_SET(name, "ReadOnlyDirectories", "ReadOnlyPaths"))
+ dirs = &c->read_only_paths;
+ else /* "InaccessiblePaths" */
+ dirs = &c->inaccessible_paths;
+
+ if (strv_isempty(l)) {
+ *dirs = strv_free(*dirs);
+ unit_write_settingf(u, flags, name, "%s=", name);
+ } else {
+ _cleanup_free_ char *joined = NULL;
+
+ joined = unit_concat_strv(l, UNIT_ESCAPE_SPECIFIERS);
+ if (!joined)
+ return -ENOMEM;
+
+ r = strv_extend_strv(dirs, l, true);
+ if (r < 0)
+ return -ENOMEM;
+
+ unit_write_settingf(u, flags, name, "%s=%s", name, joined);
+ }
+ }
+
+ return 1;
+
+ } else if (STR_IN_SET(name, "RuntimeDirectory", "StateDirectory", "CacheDirectory", "LogsDirectory", "ConfigurationDirectory")) {
+ _cleanup_strv_free_ char **l = NULL;
+ char **p;
+
+ r = sd_bus_message_read_strv(message, &l);
+ if (r < 0)
+ return r;
+
+ STRV_FOREACH(p, l) {
+ if (!path_is_normalized(*p))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "%s= path is not normalized: %s", name, *p);
+
+ if (path_is_absolute(*p))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "%s= path is absolute: %s", name, *p);
+
+ if (path_startswith(*p, "private"))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "%s= path can't be 'private': %s", name, *p);
+ }
+
+ if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
+ char ***dirs = NULL;
+ ExecDirectoryType i;
+
+ for (i = 0; i < _EXEC_DIRECTORY_TYPE_MAX; i++)
+ if (streq(name, exec_directory_type_to_string(i))) {
+ dirs = &c->directories[i].paths;
+ break;
+ }
+
+ assert(dirs);
+
+ if (strv_isempty(l)) {
+ *dirs = strv_free(*dirs);
+ unit_write_settingf(u, flags, name, "%s=", name);
+ } else {
+ _cleanup_free_ char *joined = NULL;
+
+ r = strv_extend_strv(dirs, l, true);
+ if (r < 0)
+ return -ENOMEM;
+
+ joined = unit_concat_strv(l, UNIT_ESCAPE_SPECIFIERS);
+ if (!joined)
+ return -ENOMEM;
+
+ unit_write_settingf(u, flags, name, "%s=%s", name, joined);
+ }
+ }
+
+ return 1;
+
+ } else if (STR_IN_SET(name, "AppArmorProfile", "SmackProcessLabel")) {
+ int ignore;
+ const char *s;
+
+ r = sd_bus_message_read(message, "(bs)", &ignore, &s);
+ if (r < 0)
+ return r;
+
+ if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
+ char **p;
+ bool *b;
+
+ if (streq(name, "AppArmorProfile")) {
+ p = &c->apparmor_profile;
+ b = &c->apparmor_profile_ignore;
+ } else { /* "SmackProcessLabel" */
+ p = &c->smack_process_label;
+ b = &c->smack_process_label_ignore;
+ }
+
+ if (isempty(s)) {
+ *p = mfree(*p);
+ *b = false;
+ } else {
+ if (free_and_strdup(p, s) < 0)
+ return -ENOMEM;
+ *b = ignore;
+ }
+
+ unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS, name, "%s=%s%s", name, ignore ? "-" : "", strempty(s));
+ }
+
+ return 1;
+
+ } else if (STR_IN_SET(name, "BindPaths", "BindReadOnlyPaths")) {
+ const char *source, *destination;
+ int ignore_enoent;
+ uint64_t mount_flags;
+ bool empty = true;
+
+ r = sd_bus_message_enter_container(message, 'a', "(ssbt)");
+ if (r < 0)
+ return r;
+
+ while ((r = sd_bus_message_read(message, "(ssbt)", &source, &destination, &ignore_enoent, &mount_flags)) > 0) {
+
+ if (!path_is_absolute(source))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Source path %s is not absolute.", source);
+ if (!path_is_absolute(destination))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Destination path %s is not absolute.", destination);
+ if (!IN_SET(mount_flags, 0, MS_REC))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown mount flags.");
+
+ if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
+ r = bind_mount_add(&c->bind_mounts, &c->n_bind_mounts,
+ &(BindMount) {
+ .source = strdup(source),
+ .destination = strdup(destination),
+ .read_only = !!strstr(name, "ReadOnly"),
+ .recursive = !!(mount_flags & MS_REC),
+ .ignore_enoent = ignore_enoent,
+ });
+ if (r < 0)
+ return r;
+
+ unit_write_settingf(
+ u, flags|UNIT_ESCAPE_SPECIFIERS, name,
+ "%s=%s%s:%s:%s",
+ name,
+ ignore_enoent ? "-" : "",
+ source,
+ destination,
+ (mount_flags & MS_REC) ? "rbind" : "norbind");
+ }
+
+ empty = false;
+ }
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_exit_container(message);
+ if (r < 0)
+ return r;
+
+ if (empty) {
+ bind_mount_free_many(c->bind_mounts, c->n_bind_mounts);
+ c->bind_mounts = NULL;
+ c->n_bind_mounts = 0;
+
+ unit_write_settingf(u, flags, name, "%s=", name);
+ }
+
+ return 1;
+
+ } else if (streq(name, "TemporaryFileSystem")) {
+ const char *path, *options;
+ bool empty = true;
+
+ r = sd_bus_message_enter_container(message, 'a', "(ss)");
+ if (r < 0)
+ return r;
+
+ while ((r = sd_bus_message_read(message, "(ss)", &path, &options)) > 0) {
+
+ if (!path_is_absolute(path))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Mount point %s is not absolute.", path);
+
+ if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
+ r = temporary_filesystem_add(&c->temporary_filesystems, &c->n_temporary_filesystems, path, options);
+ if (r < 0)
+ return r;
+
+ unit_write_settingf(
+ u, flags|UNIT_ESCAPE_SPECIFIERS, name,
+ "%s=%s:%s",
+ name,
+ path,
+ options);
+ }
+
+ empty = false;
+ }
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_exit_container(message);
+ if (r < 0)
+ return r;
+
+ if (empty) {
+ temporary_filesystem_free_many(c->temporary_filesystems, c->n_temporary_filesystems);
+ c->temporary_filesystems = NULL;
+ c->n_temporary_filesystems = 0;
+
+ unit_write_settingf(u, flags, name, "%s=", name);
+ }
+
+ return 1;
+
+ } else if ((suffix = startswith(name, "Limit"))) {
+ const char *soft = NULL;
+ int ri;
+
+ ri = rlimit_from_string(suffix);
+ if (ri < 0) {
+ soft = endswith(suffix, "Soft");
+ if (soft) {
+ const char *n;
+
+ n = strndupa(suffix, soft - suffix);
+ ri = rlimit_from_string(n);
+ if (ri >= 0)
+ name = strjoina("Limit", n);
+ }
+ }
+
+ if (ri >= 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 (!UNIT_WRITE_FLAGS_NOOP(flags)) {
+ _cleanup_free_ char *f = NULL;
+ struct rlimit nl;
+
+ if (c->rlimit[ri]) {
+ nl = *c->rlimit[ri];
+
+ if (soft)
+ nl.rlim_cur = x;
+ else
+ nl.rlim_max = x;
+ } else
+ /* When the resource limit is not initialized yet, then assign the value to both fields */
+ nl = (struct rlimit) {
+ .rlim_cur = x,
+ .rlim_max = x,
+ };
+
+ r = rlimit_format(&nl, &f);
+ if (r < 0)
+ return r;
+
+ if (c->rlimit[ri])
+ *c->rlimit[ri] = nl;
+ else {
+ c->rlimit[ri] = newdup(struct rlimit, &nl, 1);
+ if (!c->rlimit[ri])
+ return -ENOMEM;
+ }
+
+ unit_write_settingf(u, flags, name, "%s=%s", name, f);
+ }
+
+ return 1;
+ }
+
+ }
+
+ return 0;
+}