diff options
Diffstat (limited to 'src/core/dbus-execute.c')
| -rw-r--r-- | src/core/dbus-execute.c | 3802 |
1 files changed, 3802 insertions, 0 deletions
diff --git a/src/core/dbus-execute.c b/src/core/dbus-execute.c new file mode 100644 index 0000000..b4c4cd9 --- /dev/null +++ b/src/core/dbus-execute.c @@ -0,0 +1,3802 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include <sys/mount.h> +#include <sys/prctl.h> + +#if HAVE_SECCOMP +#include <seccomp.h> +#endif + +#include "af-list.h" +#include "alloc-util.h" +#include "bus-get-properties.h" +#include "cap-list.h" +#include "capability-util.h" +#include "cpu-set-util.h" +#include "creds-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-util.h" +#include "journal-file.h" +#include "missing_ioprio.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 "stat-util.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_proc, protect_proc, ProtectProc); +static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_proc_subset, proc_subset, ProcSubset); +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_GET(property_get_mount_apivfs, "b", ExecContext, exec_context_get_effective_mount_apivfs); +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 BUS_DEFINE_PROPERTY_GET(property_get_cpu_affinity_from_numa, "b", ExecContext, exec_context_get_cpu_affinity_from_numa); + +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 = ASSERT_PTR(userdata); + int r; + + assert(bus); + assert(reply); + + 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 = ASSERT_PTR(userdata); + int r, n; + + assert(bus); + assert(reply); + + if (c->oom_score_adjust_set) + n = c->oom_score_adjust; + else { + n = 0; + r = get_oom_score_adjust(&n); + if (r < 0) + log_debug_errno(r, "Failed to read /proc/self/oom_score_adj, ignoring: %m"); + } + + return sd_bus_message_append(reply, "i", n); +} + +static int property_get_coredump_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 = ASSERT_PTR(userdata); + uint64_t n; + int r; + + assert(bus); + assert(reply); + + if (c->coredump_filter_set) + n = c->coredump_filter; + else { + _cleanup_free_ char *t = NULL; + + n = COREDUMP_FILTER_MASK_DEFAULT; + r = read_one_line_file("/proc/self/coredump_filter", &t); + if (r < 0) + log_debug_errno(r, "Failed to read /proc/self/coredump_filter, ignoring: %m"); + else { + r = safe_atoux64(t, &n); + if (r < 0) + log_debug_errno(r, "Failed to parse \"%s\" from /proc/self/coredump_filter, ignoring: %m", t); + } + } + + return sd_bus_message_append(reply, "t", 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 = ASSERT_PTR(userdata); + int32_t n; + + assert(bus); + assert(reply); + + 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 = ASSERT_PTR(userdata); + int32_t n; + + assert(bus); + assert(reply); + + 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 = ASSERT_PTR(userdata); + int32_t n; + + assert(bus); + assert(reply); + + 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 = ASSERT_PTR(userdata); + _cleanup_(cpu_set_reset) CPUSet s = {}; + _cleanup_free_ uint8_t *array = NULL; + size_t allocated; + + assert(bus); + assert(reply); + + if (c->cpu_affinity_from_numa) { + int r; + + r = numa_to_cpu_set(&c->numa_policy, &s); + if (r < 0) + return r; + } + + (void) cpu_set_to_dbus(c->cpu_affinity_from_numa ? &s : &c->cpu_set, &array, &allocated); + + return sd_bus_message_append_array(reply, 'y', array, allocated); +} + +static int property_get_numa_mask( + sd_bus *bus, + const char *path, + const char *interface, + const char *property, + sd_bus_message *reply, + void *userdata, + sd_bus_error *error) { + + ExecContext *c = ASSERT_PTR(userdata); + _cleanup_free_ uint8_t *array = NULL; + size_t allocated; + + assert(bus); + assert(reply); + + (void) cpu_set_to_dbus(&c->numa_policy.nodes, &array, &allocated); + + return sd_bus_message_append_array(reply, 'y', array, allocated); +} + +static int property_get_numa_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 = ASSERT_PTR(userdata); + int32_t policy; + + assert(bus); + assert(reply); + + policy = numa_policy_get_type(&c->numa_policy); + + return sd_bus_message_append_basic(reply, 'i', &policy); +} + +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 = ASSERT_PTR(userdata); + uint64_t u; + + assert(bus); + assert(reply); + + 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 = ASSERT_PTR(userdata); + _cleanup_strv_free_ char **l = NULL; + int r; + + assert(bus); + assert(reply); + + r = sd_bus_message_open_container(reply, 'r', "bas"); + if (r < 0) + return r; + + r = sd_bus_message_append(reply, "b", c->syscall_allow_list); + if (r < 0) + return r; + +#if HAVE_SECCOMP + void *id, *val; + HASHMAP_FOREACH_KEY(val, id, c->syscall_filter) { + _cleanup_free_ char *name = NULL; + const char *e = NULL; + char *s; + int num = PTR_TO_INT(val); + + if (c->syscall_allow_list && num >= 0) + /* syscall with num >= 0 in allow-list is denied. */ + continue; + + name = seccomp_syscall_resolve_num_arch(SCMP_ARCH_NATIVE, PTR_TO_INT(id) - 1); + if (!name) + continue; + + if (num >= 0) { + e = seccomp_errno_or_action_to_string(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_log( + sd_bus *bus, + const char *path, + const char *interface, + const char *property, + sd_bus_message *reply, + void *userdata, + sd_bus_error *error) { + + ExecContext *c = ASSERT_PTR(userdata); + _cleanup_strv_free_ char **l = NULL; + int r; + + assert(bus); + assert(reply); + + r = sd_bus_message_open_container(reply, 'r', "bas"); + if (r < 0) + return r; + + r = sd_bus_message_append(reply, "b", c->syscall_log_allow_list); + if (r < 0) + return r; + +#if HAVE_SECCOMP + void *id, *val; + HASHMAP_FOREACH_KEY(val, id, c->syscall_log) { + char *name = NULL; + + name = seccomp_syscall_resolve_num_arch(SCMP_ARCH_NATIVE, PTR_TO_INT(id) - 1); + if (!name) + continue; + + r = strv_consume(&l, name); + if (r < 0) + return r; + } +#endif + + strv_sort(l); + + r = sd_bus_message_append_strv(reply, l); + if (r < 0) + return r; + + return sd_bus_message_close_container(reply); +} + +static int property_get_syscall_archs( + sd_bus *bus, + const char *path, + const char *interface, + const char *property, + sd_bus_message *reply, + void *userdata, + sd_bus_error *error) { + + _cleanup_strv_free_ char **l = NULL; + int r; + + assert(bus); + assert(reply); + +#if HAVE_SECCOMP + void *id; + SET_FOREACH(id, ASSERT_PTR((ExecContext*) userdata)->syscall_archs) { + 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 = ASSERT_PTR(userdata); + + assert(bus); + assert(reply); + + 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 = ASSERT_PTR(userdata); + + assert(bus); + assert(reply); + + 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 = ASSERT_PTR(userdata); + + assert(bus); + assert(reply); + + 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 = ASSERT_PTR(userdata); + _cleanup_strv_free_ char **l = NULL; + void *af; + int r; + + assert(bus); + assert(reply); + + r = sd_bus_message_open_container(reply, 'r', "bas"); + if (r < 0) + return r; + + r = sd_bus_message_append(reply, "b", c->address_families_allow_list); + if (r < 0) + return r; + + SET_FOREACH(af, c->address_families) { + 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 = ASSERT_PTR(userdata); + const char *wd; + + assert(bus); + assert(reply); + + 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 = ASSERT_PTR(userdata); + int fileno; + + assert(bus); + 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 = ASSERT_PTR(userdata); + + assert(bus); + assert(property); + assert(reply); + + return sd_bus_message_append_array(reply, 'y', c->stdin_data, c->stdin_data_size); +} + +static int property_get_restrict_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 = ASSERT_PTR(userdata); + _cleanup_free_ char **l = NULL; + int r; + + assert(bus); + assert(reply); + + r = sd_bus_message_open_container(reply, 'r', "bas"); + if (r < 0) + return r; + + r = sd_bus_message_append(reply, "b", c->restrict_filesystems_allow_list); + if (r < 0) + return r; + +#if HAVE_LIBBPF + l = set_get_strv(c->restrict_filesystems); + if (!l) + return -ENOMEM; +#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_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 = ASSERT_PTR(userdata); + bool ro; + int r; + + assert(bus); + assert(property); + assert(reply); + + ro = strstr(property, "ReadOnly"); + + r = sd_bus_message_open_container(reply, 'a', "(ssbt)"); + if (r < 0) + return r; + + for (size_t 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 = ASSERT_PTR(userdata); + int r; + + assert(bus); + assert(property); + assert(reply); + + r = sd_bus_message_open_container(reply, 'a', "(ss)"); + if (r < 0) + return r; + + for (unsigned 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 = ASSERT_PTR(userdata); + int r; + + assert(bus); + assert(property); + assert(reply); + + r = sd_bus_message_open_container(reply, 'a', "ay"); + if (r < 0) + return r; + + for (size_t 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); +} + +static int property_get_set_credential( + sd_bus *bus, + const char *path, + const char *interface, + const char *property, + sd_bus_message *reply, + void *userdata, + sd_bus_error *error) { + + ExecContext *c = ASSERT_PTR(userdata); + ExecSetCredential *sc; + int r; + + assert(bus); + assert(property); + assert(reply); + + r = sd_bus_message_open_container(reply, 'a', "(say)"); + if (r < 0) + return r; + + HASHMAP_FOREACH(sc, c->set_credentials) { + + if (sc->encrypted != streq(property, "SetCredentialEncrypted")) + continue; + + r = sd_bus_message_open_container(reply, 'r', "say"); + if (r < 0) + return r; + + r = sd_bus_message_append(reply, "s", sc->id); + if (r < 0) + return r; + + r = sd_bus_message_append_array(reply, 'y', sc->data, sc->size); + if (r < 0) + return r; + + r = sd_bus_message_close_container(reply); + if (r < 0) + return r; + } + + return sd_bus_message_close_container(reply); +} + +static int property_get_load_credential( + sd_bus *bus, + const char *path, + const char *interface, + const char *property, + sd_bus_message *reply, + void *userdata, + sd_bus_error *error) { + + ExecContext *c = ASSERT_PTR(userdata); + ExecLoadCredential *lc; + int r; + + assert(bus); + assert(property); + assert(reply); + + r = sd_bus_message_open_container(reply, 'a', "(ss)"); + if (r < 0) + return r; + + HASHMAP_FOREACH(lc, c->load_credentials) { + + if (lc->encrypted != streq(property, "LoadCredentialEncrypted")) + continue; + + r = sd_bus_message_append(reply, "(ss)", lc->id, lc->path); + if (r < 0) + return r; + } + + return sd_bus_message_close_container(reply); +} + +static int property_get_root_hash( + sd_bus *bus, + const char *path, + const char *interface, + const char *property, + sd_bus_message *reply, + void *userdata, + sd_bus_error *error) { + + ExecContext *c = ASSERT_PTR(userdata); + + assert(bus); + assert(property); + assert(reply); + + return sd_bus_message_append_array(reply, 'y', c->root_hash, c->root_hash_size); +} + +static int property_get_root_hash_sig( + sd_bus *bus, + const char *path, + const char *interface, + const char *property, + sd_bus_message *reply, + void *userdata, + sd_bus_error *error) { + + ExecContext *c = ASSERT_PTR(userdata); + + assert(bus); + assert(property); + assert(reply); + + return sd_bus_message_append_array(reply, 'y', c->root_hash_sig, c->root_hash_sig_size); +} + +static int property_get_root_image_options( + sd_bus *bus, + const char *path, + const char *interface, + const char *property, + sd_bus_message *reply, + void *userdata, + sd_bus_error *error) { + + ExecContext *c = ASSERT_PTR(userdata); + int r; + + assert(bus); + assert(property); + assert(reply); + + r = sd_bus_message_open_container(reply, 'a', "(ss)"); + if (r < 0) + return r; + + LIST_FOREACH(mount_options, m, c->root_image_options) { + r = sd_bus_message_append(reply, "(ss)", + partition_designator_to_string(m->partition_designator), + m->options); + if (r < 0) + return r; + } + + return sd_bus_message_close_container(reply); +} + +static int property_get_mount_images( + sd_bus *bus, + const char *path, + const char *interface, + const char *property, + sd_bus_message *reply, + void *userdata, + sd_bus_error *error) { + + ExecContext *c = ASSERT_PTR(userdata); + int r; + + assert(bus); + assert(property); + assert(reply); + + r = sd_bus_message_open_container(reply, 'a', "(ssba(ss))"); + if (r < 0) + return r; + + for (size_t i = 0; i < c->n_mount_images; i++) { + r = sd_bus_message_open_container(reply, SD_BUS_TYPE_STRUCT, "ssba(ss)"); + if (r < 0) + return r; + r = sd_bus_message_append( + reply, "ssb", + c->mount_images[i].source, + c->mount_images[i].destination, + c->mount_images[i].ignore_enoent); + if (r < 0) + return r; + r = sd_bus_message_open_container(reply, 'a', "(ss)"); + if (r < 0) + return r; + LIST_FOREACH(mount_options, m, c->mount_images[i].mount_options) { + r = sd_bus_message_append(reply, "(ss)", + partition_designator_to_string(m->partition_designator), + m->options); + if (r < 0) + return r; + } + r = sd_bus_message_close_container(reply); + if (r < 0) + return r; + r = sd_bus_message_close_container(reply); + if (r < 0) + return r; + } + + return sd_bus_message_close_container(reply); +} + +static int property_get_extension_images( + sd_bus *bus, + const char *path, + const char *interface, + const char *property, + sd_bus_message *reply, + void *userdata, + sd_bus_error *error) { + + ExecContext *c = ASSERT_PTR(userdata); + int r; + + assert(bus); + assert(property); + assert(reply); + + r = sd_bus_message_open_container(reply, 'a', "(sba(ss))"); + if (r < 0) + return r; + + for (size_t i = 0; i < c->n_extension_images; i++) { + r = sd_bus_message_open_container(reply, SD_BUS_TYPE_STRUCT, "sba(ss)"); + if (r < 0) + return r; + r = sd_bus_message_append( + reply, "sb", + c->extension_images[i].source, + c->extension_images[i].ignore_enoent); + if (r < 0) + return r; + r = sd_bus_message_open_container(reply, 'a', "(ss)"); + if (r < 0) + return r; + LIST_FOREACH(mount_options, m, c->extension_images[i].mount_options) { + r = sd_bus_message_append(reply, "(ss)", + partition_designator_to_string(m->partition_designator), + m->options); + if (r < 0) + return r; + } + r = sd_bus_message_close_container(reply); + if (r < 0) + return r; + r = sd_bus_message_close_container(reply); + if (r < 0) + return r; + } + + return sd_bus_message_close_container(reply); +} + +static int bus_property_get_exec_dir( + sd_bus *bus, + const char *path, + const char *interface, + const char *property, + sd_bus_message *reply, + void *userdata, + sd_bus_error *error) { + + ExecDirectory *d = ASSERT_PTR(userdata); + int r; + + assert(bus); + assert(property); + assert(reply); + + r = sd_bus_message_open_container(reply, 'a', "s"); + if (r < 0) + return r; + + for (size_t i = 0; i < d->n_items; i++) { + r = sd_bus_message_append_basic(reply, 's', d->items[i].path); + if (r < 0) + return r; + } + + return sd_bus_message_close_container(reply); +} + +static int bus_property_get_exec_dir_symlink( + sd_bus *bus, + const char *path, + const char *interface, + const char *property, + sd_bus_message *reply, + void *userdata, + sd_bus_error *error) { + + ExecDirectory *d = ASSERT_PTR(userdata); + int r; + + assert(bus); + assert(property); + assert(reply); + + r = sd_bus_message_open_container(reply, 'a', "(sst)"); + if (r < 0) + return r; + + for (size_t i = 0; i < d->n_items; i++) + STRV_FOREACH(dst, d->items[i].symlinks) { + r = sd_bus_message_append(reply, "(sst)", d->items[i].path, *dst, 0 /* flags, unused for now */); + 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("RootImageOptions", "a(ss)", property_get_root_image_options, 0, SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("RootHash", "ay", property_get_root_hash, 0, SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("RootHashPath", "s", NULL, offsetof(ExecContext, root_hash_path), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("RootHashSignature", "ay", property_get_root_hash_sig, 0, SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("RootHashSignaturePath", "s", NULL, offsetof(ExecContext, root_hash_sig_path), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("RootVerity", "s", NULL, offsetof(ExecContext, root_verity), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("ExtensionDirectories", "as", NULL, offsetof(ExecContext, extension_directories), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("ExtensionImages", "a(sba(ss))", property_get_extension_images, 0, SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("MountImages", "a(ssba(ss))", property_get_mount_images, 0, SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("OOMScoreAdjust", "i", property_get_oom_score_adjust, 0, SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("CoredumpFilter", "t", property_get_coredump_filter, 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("CPUAffinityFromNUMA", "b", property_get_cpu_affinity_from_numa, 0, SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("NUMAPolicy", "i", property_get_numa_policy, 0, SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("NUMAMask", "ay", property_get_numa_mask, 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("TTYRows", "q", bus_property_get_unsigned, offsetof(ExecContext, tty_rows), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("TTYColumns", "q", bus_property_get_unsigned, offsetof(ExecContext, tty_cols), 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_ratelimit_interval_usec), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("LogRateLimitBurst", "u", bus_property_get_unsigned, offsetof(ExecContext, log_ratelimit_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("LogNamespace", "s", NULL, offsetof(ExecContext, log_namespace), 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("SetCredential", "a(say)", property_get_set_credential, 0, SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("SetCredentialEncrypted", "a(say)", property_get_set_credential, 0, SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("LoadCredential", "a(ss)", property_get_load_credential, 0, SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("LoadCredentialEncrypted", "a(ss)", property_get_load_credential, 0, 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("ExecPaths", "as", NULL, offsetof(ExecContext, exec_paths), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("NoExecPaths", "as", NULL, offsetof(ExecContext, no_exec_paths), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("ExecSearchPath", "as", NULL, offsetof(ExecContext, exec_search_path), 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("ProtectClock", "b", bus_property_get_bool, offsetof(ExecContext, protect_clock), 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("ProtectKernelLogs", "b", bus_property_get_bool, offsetof(ExecContext, protect_kernel_logs), 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("PrivateIPC", "b", bus_property_get_bool, offsetof(ExecContext, private_ipc), 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("SystemCallLog", "(bas)", property_get_syscall_log, 0, 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("RuntimeDirectorySymlink", "a(sst)", bus_property_get_exec_dir_symlink, offsetof(ExecContext, directories[EXEC_DIRECTORY_RUNTIME]), 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", bus_property_get_exec_dir, offsetof(ExecContext, directories[EXEC_DIRECTORY_RUNTIME]), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("StateDirectorySymlink", "a(sst)", bus_property_get_exec_dir_symlink, offsetof(ExecContext, directories[EXEC_DIRECTORY_STATE]), 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", bus_property_get_exec_dir, offsetof(ExecContext, directories[EXEC_DIRECTORY_STATE]), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("CacheDirectorySymlink", "a(sst)", bus_property_get_exec_dir_symlink, offsetof(ExecContext, directories[EXEC_DIRECTORY_CACHE]), 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", bus_property_get_exec_dir, offsetof(ExecContext, directories[EXEC_DIRECTORY_CACHE]), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("LogsDirectorySymlink", "a(sst)", bus_property_get_exec_dir_symlink, offsetof(ExecContext, directories[EXEC_DIRECTORY_LOGS]), 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", bus_property_get_exec_dir, offsetof(ExecContext, directories[EXEC_DIRECTORY_LOGS]), 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", bus_property_get_exec_dir, offsetof(ExecContext, directories[EXEC_DIRECTORY_CONFIGURATION]), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("TimeoutCleanUSec", "t", bus_property_get_usec, offsetof(ExecContext, timeout_clean_usec), 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("RestrictSUIDSGID", "b", bus_property_get_bool, offsetof(ExecContext, restrict_suid_sgid), 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("RestrictFileSystems", "(bas)", property_get_restrict_filesystems, 0, 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", property_get_mount_apivfs, 0, SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("KeyringMode", "s", property_get_exec_keyring_mode, offsetof(ExecContext, keyring_mode), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("ProtectProc", "s", property_get_protect_proc, offsetof(ExecContext, protect_proc), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("ProcSubset", "s", property_get_proc_subset, offsetof(ExecContext, proc_subset), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("ProtectHostname", "b", bus_property_get_bool, offsetof(ExecContext, protect_hostname), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("NetworkNamespacePath", "s", NULL, offsetof(ExecContext, network_namespace_path), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("IPCNamespacePath", "s", NULL, offsetof(ExecContext, ipc_namespace_path), 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); +} + +static int append_exec_ex_command(sd_bus_message *reply, ExecCommand *c) { + _cleanup_strv_free_ char **ex_opts = NULL; + int r; + + assert(reply); + assert(c); + + if (!c->path) + return 0; + + r = sd_bus_message_open_container(reply, 'r', "sasasttttuii"); + 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 = exec_command_flags_to_strv(c->flags, &ex_opts); + if (r < 0) + return r; + + r = sd_bus_message_append_strv(reply, ex_opts); + if (r < 0) + return r; + + r = sd_bus_message_append(reply, "ttttuii", + 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 *exec_command = *(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, exec_command) { + r = append_exec_command(reply, c); + if (r < 0) + return r; + } + + return sd_bus_message_close_container(reply); +} + +int bus_property_get_exec_ex_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 *exec_command = *(ExecCommand**) userdata; + int r; + + assert(bus); + assert(reply); + + r = sd_bus_message_open_container(reply, 'a', "(sasasttttuii)"); + if (r < 0) + return r; + + LIST_FOREACH(command, c, exec_command) { + r = append_exec_ex_command(reply, c); + if (r < 0) + return r; + } + + return sd_bus_message_close_container(reply); +} + +static char *exec_command_flags_to_exec_chars(ExecCommandFlags flags) { + return strjoin(FLAGS_SET(flags, EXEC_COMMAND_IGNORE_FAILURE) ? "-" : "", + FLAGS_SET(flags, EXEC_COMMAND_NO_ENV_EXPAND) ? ":" : "", + FLAGS_SET(flags, EXEC_COMMAND_FULLY_PRIVILEGED) ? "+" : "", + FLAGS_SET(flags, EXEC_COMMAND_NO_SETUID) ? "!" : "", + FLAGS_SET(flags, EXEC_COMMAND_AMBIENT_MAGIC) ? "!!" : ""); +} + +int bus_set_transient_exec_command( + Unit *u, + const char *name, + ExecCommand **exec_command, + sd_bus_message *message, + UnitWriteFlags flags, + sd_bus_error *error) { + bool is_ex_prop = endswith(name, "Ex"); + unsigned n = 0; + int r; + + r = sd_bus_message_enter_container(message, 'a', is_ex_prop ? "(sasas)" : "(sasb)"); + if (r < 0) + return r; + + while ((r = sd_bus_message_enter_container(message, 'r', is_ex_prop ? "sasas" : "sasb")) > 0) { + _cleanup_strv_free_ char **argv = NULL, **ex_opts = NULL; + const char *path; + int b; + + r = sd_bus_message_read(message, "s", &path); + if (r < 0) + return r; + + if (!path_is_absolute(path) && !filename_is_valid(path)) + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, + "\"%s\" is neither a valid executable name nor an absolute path", + path); + + r = sd_bus_message_read_strv(message, &argv); + if (r < 0) + return r; + + if (strv_isempty(argv)) + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, + "\"%s\" argv cannot be empty", name); + + r = is_ex_prop ? sd_bus_message_read_strv(message, &ex_opts) : 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); + + if (is_ex_prop) { + r = exec_command_flags_from_strv(ex_opts, &c->flags); + if (r < 0) + return r; + } else + c->flags = b ? EXEC_COMMAND_IGNORE_FAILURE : 0; + + path_simplify(c->path); + 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; + size_t size = 0; + + if (n == 0) + *exec_command = exec_command_free_list(*exec_command); + + f = open_memstream_unlocked(&buf, &size); + if (!f) + return -ENOMEM; + + fprintf(f, "%s=\n", name); + + LIST_FOREACH(command, c, *exec_command) { + _cleanup_free_ char *a = NULL, *exec_chars = NULL; + + exec_chars = exec_command_flags_to_exec_chars(c->flags); + if (!exec_chars) + return -ENOMEM; + + a = unit_concat_strv(c->argv, UNIT_ESCAPE_SPECIFIERS|UNIT_ESCAPE_EXEC_SYNTAX); + if (!a) + return -ENOMEM; + + if (streq_ptr(c->path, c->argv ? c->argv[0] : NULL)) + fprintf(f, "%s=%s%s\n", name, exec_chars, a); + else { + _cleanup_free_ char *t = NULL; + const char *p; + + p = unit_escape_setting(c->path, + UNIT_ESCAPE_SPECIFIERS|UNIT_ESCAPE_EXEC_SYNTAX, &t); + if (!p) + return -ENOMEM; + + fprintf(f, "%s=%s@%s %s\n", name, exec_chars, 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, seccomp_errno_or_action_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(protect_proc, ProtectProc, protect_proc_from_string); +static BUS_DEFINE_SET_TRANSIENT_PARSE(proc_subset, ProcSubset, proc_subset_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_relaxed(u, name, &c->user, message, flags, error); + + if (streq(name, "Group")) + return bus_set_transient_user_relaxed(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, "RootImageOptions")) { + _cleanup_(mount_options_free_allp) MountOptions *options = NULL; + _cleanup_free_ char *format_str = NULL; + + r = bus_read_mount_options(message, error, &options, &format_str, " "); + if (r < 0) + return r; + + if (!UNIT_WRITE_FLAGS_NOOP(flags)) { + if (options) { + LIST_JOIN(mount_options, c->root_image_options, options); + unit_write_settingf( + u, flags|UNIT_ESCAPE_SPECIFIERS, name, + "%s=%s", + name, + format_str); + } else { + c->root_image_options = mount_options_free_all(c->root_image_options); + unit_write_settingf(u, flags, name, "%s=", name); + } + } + + return 1; + } + + if (streq(name, "RootHash")) { + const void *roothash_decoded; + size_t roothash_decoded_size; + + r = sd_bus_message_read_array(message, 'y', &roothash_decoded, &roothash_decoded_size); + if (r < 0) + return r; + + if (!UNIT_WRITE_FLAGS_NOOP(flags)) { + _cleanup_free_ char *encoded = NULL; + + if (roothash_decoded_size == 0) { + c->root_hash_path = mfree(c->root_hash_path); + c->root_hash = mfree(c->root_hash); + c->root_hash_size = 0; + + unit_write_settingf(u, flags, name, "RootHash="); + } else { + _cleanup_free_ void *p = NULL; + + encoded = hexmem(roothash_decoded, roothash_decoded_size); + if (!encoded) + return -ENOMEM; + + p = memdup(roothash_decoded, roothash_decoded_size); + if (!p) + return -ENOMEM; + + free_and_replace(c->root_hash, p); + c->root_hash_size = roothash_decoded_size; + c->root_hash_path = mfree(c->root_hash_path); + + unit_write_settingf(u, flags, name, "RootHash=%s", encoded); + } + } + + return 1; + } + + if (streq(name, "RootHashPath")) { + c->root_hash_size = 0; + c->root_hash = mfree(c->root_hash); + + return bus_set_transient_path(u, "RootHash", &c->root_hash_path, message, flags, error); + } + + if (streq(name, "RootHashSignature")) { + const void *roothash_sig_decoded; + size_t roothash_sig_decoded_size; + + r = sd_bus_message_read_array(message, 'y', &roothash_sig_decoded, &roothash_sig_decoded_size); + if (r < 0) + return r; + + if (!UNIT_WRITE_FLAGS_NOOP(flags)) { + _cleanup_free_ char *encoded = NULL; + + if (roothash_sig_decoded_size == 0) { + c->root_hash_sig_path = mfree(c->root_hash_sig_path); + c->root_hash_sig = mfree(c->root_hash_sig); + c->root_hash_sig_size = 0; + + unit_write_settingf(u, flags, name, "RootHashSignature="); + } else { + _cleanup_free_ void *p = NULL; + ssize_t len; + + len = base64mem(roothash_sig_decoded, roothash_sig_decoded_size, &encoded); + if (len < 0) + return -ENOMEM; + + p = memdup(roothash_sig_decoded, roothash_sig_decoded_size); + if (!p) + return -ENOMEM; + + free_and_replace(c->root_hash_sig, p); + c->root_hash_sig_size = roothash_sig_decoded_size; + c->root_hash_sig_path = mfree(c->root_hash_sig_path); + + unit_write_settingf(u, flags, name, "RootHashSignature=base64:%s", encoded); + } + } + + return 1; + } + + if (streq(name, "RootHashSignaturePath")) { + c->root_hash_sig_size = 0; + c->root_hash_sig = mfree(c->root_hash_sig); + + return bus_set_transient_path(u, "RootHashSignature", &c->root_hash_sig_path, message, flags, error); + } + + if (streq(name, "RootVerity")) + return bus_set_transient_path(u, name, &c->root_verity, 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_ratelimit_interval_usec, message, flags, error); + + if (streq(name, "LogRateLimitBurst")) + return bus_set_transient_unsigned(u, name, &c->log_ratelimit_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, "TTYRows")) + return bus_set_transient_unsigned(u, name, &c->tty_rows, message, flags, error); + + if (streq(name, "TTYColumns")) + return bus_set_transient_unsigned(u, name, &c->tty_cols, 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, "PrivateIPC")) + return bus_set_transient_bool(u, name, &c->private_ipc, 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, "RestrictSUIDSGID")) + return bus_set_transient_bool(u, name, &c->restrict_suid_sgid, 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, "ProtectKernelLogs")) + return bus_set_transient_bool(u, name, &c->protect_kernel_logs, message, flags, error); + + if (streq(name, "ProtectClock")) + return bus_set_transient_bool(u, name, &c->protect_clock, message, flags, error); + + if (streq(name, "ProtectControlGroups")) + return bus_set_transient_bool(u, name, &c->protect_control_groups, 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, "ProtectHostname")) + return bus_set_transient_bool(u, name, &c->protect_hostname, 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, "ProtectProc")) + return bus_set_transient_protect_proc(u, name, &c->protect_proc, message, flags, error); + + if (streq(name, "ProcSubset")) + return bus_set_transient_proc_subset(u, name, &c->proc_subset, 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, "RestrictFileSystems")) { + int allow_list; + _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", &allow_list); + 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; + FilesystemParseFlags invert_flag = allow_list ? 0 : FILESYSTEM_PARSE_INVERT; + + if (strv_isempty(l)) { + c->restrict_filesystems_allow_list = false; + c->restrict_filesystems = set_free_free(c->restrict_filesystems); + + unit_write_setting(u, flags, name, "RestrictFileSystems="); + return 1; + } + + if (!c->restrict_filesystems) + c->restrict_filesystems_allow_list = allow_list; + + STRV_FOREACH(s, l) { + r = lsm_bpf_parse_filesystem( + *s, + &c->restrict_filesystems, + FILESYSTEM_PARSE_LOG| + (invert_flag ? FILESYSTEM_PARSE_INVERT : 0)| + (c->restrict_filesystems_allow_list ? FILESYSTEM_PARSE_ALLOW_LIST : 0), + u->id, NULL, 0); + if (r < 0) + return r; + } + + joined = strv_join(l, " "); + if (!joined) + return -ENOMEM; + + unit_write_settingf(u, flags, name, "%s=%s%s", name, allow_list ? "" : "~", joined); + } + + return 1; + } + + if (streq(name, "MountFlags")) + return bus_set_transient_mount_flags(u, name, &c->mount_flags, message, flags, error); + + if (streq(name, "NetworkNamespacePath")) + return bus_set_transient_path(u, name, &c->network_namespace_path, message, flags, error); + + if (streq(name, "IPCNamespacePath")) + return bus_set_transient_path(u, name, &c->ipc_namespace_path, message, flags, error); + + if (streq(name, "SupplementaryGroups")) { + _cleanup_strv_free_ char **l = NULL; + + r = sd_bus_message_read_strv(message, &l); + if (r < 0) + return r; + + STRV_FOREACH(p, l) + if (!isempty(*p) && !valid_user_group_name(*p, VALID_USER_ALLOW_NUMERIC|VALID_USER_RELAX|VALID_USER_WARN)) + 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 (STR_IN_SET(name, "SetCredential", "SetCredentialEncrypted")) { + bool isempty = true; + + r = sd_bus_message_enter_container(message, 'a', "(say)"); + if (r < 0) + return r; + + for (;;) { + const char *id; + const void *p; + size_t sz; + + r = sd_bus_message_enter_container(message, 'r', "say"); + if (r < 0) + return r; + if (r == 0) + break; + + r = sd_bus_message_read(message, "s", &id); + if (r < 0) + return r; + + r = sd_bus_message_read_array(message, 'y', &p, &sz); + if (r < 0) + return r; + + r = sd_bus_message_exit_container(message); + if (r < 0) + return r; + + if (!credential_name_valid(id)) + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Credential ID is invalid: %s", id); + + isempty = false; + + if (!UNIT_WRITE_FLAGS_NOOP(flags)) { + _cleanup_free_ char *a = NULL, *b = NULL; + _cleanup_free_ void *copy = NULL; + ExecSetCredential *old; + + copy = memdup(p, sz); + if (!copy) + return -ENOMEM; + + old = hashmap_get(c->set_credentials, id); + if (old) { + free_and_replace(old->data, copy); + old->size = sz; + old->encrypted = streq(name, "SetCredentialEncrypted"); + } else { + _cleanup_(exec_set_credential_freep) ExecSetCredential *sc = NULL; + + sc = new(ExecSetCredential, 1); + if (!sc) + return -ENOMEM; + + *sc = (ExecSetCredential) { + .id = strdup(id), + .data = TAKE_PTR(copy), + .size = sz, + .encrypted = streq(name, "SetCredentialEncrypted"), + }; + + if (!sc->id) + return -ENOMEM; + + r = hashmap_ensure_put(&c->set_credentials, &exec_set_credential_hash_ops, sc->id, sc); + if (r < 0) + return r; + + TAKE_PTR(sc); + } + + a = specifier_escape(id); + if (!a) + return -ENOMEM; + + b = cescape_length(p, sz); + if (!b) + return -ENOMEM; + + (void) unit_write_settingf(u, flags, name, "%s=%s:%s", name, a, b); + } + } + + r = sd_bus_message_exit_container(message); + if (r < 0) + return r; + + if (!UNIT_WRITE_FLAGS_NOOP(flags) && isempty) { + c->set_credentials = hashmap_free(c->set_credentials); + (void) unit_write_settingf(u, flags, name, "%s=", name); + } + + return 1; + + } else if (STR_IN_SET(name, "LoadCredential", "LoadCredentialEncrypted")) { + bool isempty = true; + + r = sd_bus_message_enter_container(message, 'a', "(ss)"); + if (r < 0) + return r; + + for (;;) { + const char *id, *source; + + r = sd_bus_message_read(message, "(ss)", &id, &source); + if (r < 0) + return r; + if (r == 0) + break; + + if (!credential_name_valid(id)) + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Credential ID is invalid: %s", id); + + if (!(path_is_absolute(source) ? path_is_normalized(source) : credential_name_valid(source))) + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Credential source is invalid: %s", source); + + isempty = false; + + if (!UNIT_WRITE_FLAGS_NOOP(flags)) { + _cleanup_free_ char *copy = NULL; + ExecLoadCredential *old; + + copy = strdup(source); + if (!copy) + return -ENOMEM; + + old = hashmap_get(c->load_credentials, id); + if (old) { + free_and_replace(old->path, copy); + old->encrypted = streq(name, "LoadCredentialEncrypted"); + } else { + _cleanup_(exec_load_credential_freep) ExecLoadCredential *lc = NULL; + + lc = new(ExecLoadCredential, 1); + if (!lc) + return -ENOMEM; + + *lc = (ExecLoadCredential) { + .id = strdup(id), + .path = TAKE_PTR(copy), + .encrypted = streq(name, "LoadCredentialEncrypted"), + }; + + if (!lc->id) + return -ENOMEM; + + r = hashmap_ensure_put(&c->load_credentials, &exec_load_credential_hash_ops, lc->id, lc); + if (r < 0) + return r; + + TAKE_PTR(lc); + } + + (void) unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS, name, "%s=%s:%s", name, id, source); + } + } + + r = sd_bus_message_exit_container(message); + if (r < 0) + return r; + + if (!UNIT_WRITE_FLAGS_NOOP(flags) && isempty) { + c->load_credentials = hashmap_free(c->load_credentials); + (void) unit_write_settingf(u, flags, name, "%s=", name); + } + + 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_set(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_set(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, "LogNamespace")) { + const char *n; + + r = sd_bus_message_read(message, "s", &n); + if (r < 0) + return r; + + if (!isempty(n) && !log_namespace_name_valid(n)) + return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Log namespace name not valid"); + + if (!UNIT_WRITE_FLAGS_NOOP(flags)) { + + if (isempty(n)) { + c->log_namespace = mfree(c->log_namespace); + unit_write_settingf(u, flags, name, "%s=", name); + } else { + r = free_and_strdup(&c->log_namespace, n); + if (r < 0) + return r; + + unit_write_settingf(u, flags, name, "%s=%s", name, n); + } + } + + 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_set(error, SD_BUS_ERROR_INVALID_ARGS, "Journal field contains zero byte"); + + eq = memchr(p, '=', sz); + if (!eq) + return sd_bus_error_set(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_set(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_set(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 allow_list; + _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", &allow_list); + 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; + SeccompParseFlags invert_flag = allow_list ? 0 : SECCOMP_PARSE_INVERT; + + if (strv_isempty(l)) { + c->syscall_allow_list = 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_allow_list = allow_list; + + if (c->syscall_allow_list) { + r = seccomp_parse_syscall_filter("@default", + -1, + c->syscall_filter, + SECCOMP_PARSE_PERMISSIVE | + SECCOMP_PARSE_ALLOW_LIST, + u->id, + NULL, 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; + + if (allow_list && e >= 0) + return -EINVAL; + + r = seccomp_parse_syscall_filter(n, + e, + c->syscall_filter, + SECCOMP_PARSE_LOG | SECCOMP_PARSE_PERMISSIVE | + invert_flag | + (c->syscall_allow_list ? SECCOMP_PARSE_ALLOW_LIST : 0), + u->id, + NULL, 0); + if (r < 0) + return r; + } + + joined = strv_join(l, " "); + if (!joined) + return -ENOMEM; + + unit_write_settingf(u, flags, name, "SystemCallFilter=%s%s", allow_list ? "" : "~", joined); + } + + return 1; + + } else if (streq(name, "SystemCallLog")) { + int allow_list; + _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", &allow_list); + 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; + SeccompParseFlags invert_flag = allow_list ? 0 : SECCOMP_PARSE_INVERT; + + if (strv_isempty(l)) { + c->syscall_log_allow_list = false; + c->syscall_log = hashmap_free(c->syscall_log); + + unit_write_settingf(u, flags, name, "SystemCallLog="); + return 1; + } + + if (!c->syscall_log) { + c->syscall_log = hashmap_new(NULL); + if (!c->syscall_log) + return log_oom(); + + c->syscall_log_allow_list = allow_list; + } + + STRV_FOREACH(s, l) { + r = seccomp_parse_syscall_filter(*s, + -1, /* errno not used */ + c->syscall_log, + SECCOMP_PARSE_LOG | SECCOMP_PARSE_PERMISSIVE | + invert_flag | + (c->syscall_log_allow_list ? SECCOMP_PARSE_ALLOW_LIST : 0), + u->id, + NULL, 0); + if (r < 0) + return r; + } + + joined = strv_join(l, " "); + if (!joined) + return -ENOMEM; + + unit_write_settingf(u, flags, name, "SystemCallLog=%s%s", allow_list ? "" : "~", 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 + STRV_FOREACH(s, l) { + uint32_t a; + + r = seccomp_arch_from_string(*s, &a); + if (r < 0) + return r; + + r = set_ensure_put(&c->syscall_archs, NULL, 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")) { + _cleanup_strv_free_ char **l = NULL; + int allow_list; + + r = sd_bus_message_enter_container(message, 'r', "bas"); + if (r < 0) + return r; + + r = sd_bus_message_read(message, "b", &allow_list); + 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; + + if (strv_isempty(l)) { + c->address_families_allow_list = allow_list; + c->address_families = set_free(c->address_families); + + unit_write_settingf(u, flags, name, "RestrictAddressFamilies=%s", + allow_list ? "none" : ""); + return 1; + } + + if (!c->address_families) { + c->address_families = set_new(NULL); + if (!c->address_families) + return log_oom(); + + c->address_families_allow_list = allow_list; + } + + STRV_FOREACH(s, l) { + int af; + + af = af_from_name(*s); + if (af < 0) + return af; + + if (allow_list == c->address_families_allow_list) { + r = set_put(c->address_families, INT_TO_PTR(af)); + if (r < 0) + return r; + } else + 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", allow_list ? "" : "~", joined); + } + + return 1; + } +#endif + if (STR_IN_SET(name, "CPUAffinity", "NUMAMask")) { + const void *a; + size_t n; + bool affinity = streq(name, "CPUAffinity"); + _cleanup_(cpu_set_reset) CPUSet set = {}; + + r = sd_bus_message_read_array(message, 'y', &a, &n); + if (r < 0) + return r; + + r = cpu_set_from_dbus(a, n, &set); + if (r < 0) + return r; + + if (!UNIT_WRITE_FLAGS_NOOP(flags)) { + if (n == 0) { + cpu_set_reset(affinity ? &c->cpu_set : &c->numa_policy.nodes); + unit_write_settingf(u, flags, name, "%s=", name); + } else { + _cleanup_free_ char *str = NULL; + + str = cpu_set_to_string(&set); + if (!str) + return -ENOMEM; + + /* We forego any optimizations here, and always create the structure using + * cpu_set_add_all(), because we don't want to care if the existing size we + * got over dbus is appropriate. */ + r = cpu_set_add_all(affinity ? &c->cpu_set : &c->numa_policy.nodes, &set); + if (r < 0) + return r; + + unit_write_settingf(u, flags, name, "%s=%s", name, str); + } + } + + return 1; + + } else if (streq(name, "CPUAffinityFromNUMA")) { + int q; + + r = sd_bus_message_read_basic(message, 'b', &q); + if (r < 0) + return r; + + if (!UNIT_WRITE_FLAGS_NOOP(flags)) { + c->cpu_affinity_from_numa = q; + unit_write_settingf(u, flags, name, "%s=%s", "CPUAffinity", "numa"); + } + + return 1; + + } else if (streq(name, "NUMAPolicy")) { + int32_t type; + + r = sd_bus_message_read(message, "i", &type); + if (r < 0) + return r; + + if (!mpol_is_valid(type)) + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid NUMAPolicy value: %i", type); + + if (!UNIT_WRITE_FLAGS_NOOP(flags)) + c->numa_policy.type = type; + + 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; + + r = sd_bus_message_read(message, "i", &p); + if (r < 0) + return r; + + /* On Linux RR/FIFO range from 1 to 99 and OTHER/BATCH may only be 0. Policy might be set + * later so we do not check the precise range, but only the generic outer bounds. */ + if (p < 0 || p > 99) + 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_normalize(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_normalize(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, "MountAPIVFS")) { + bool b; + + r = bus_set_transient_bool(u, name, &b, message, flags, error); + if (r < 0) + return r; + + if (!UNIT_WRITE_FLAGS_NOOP(flags)) { + c->mount_apivfs = b; + c->mount_apivfs_set = true; + } + + 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_set(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_set(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", "StandardOutputFileToTruncate", + "StandardErrorFile", "StandardErrorFileToAppend", "StandardErrorFileToTruncate")) { + 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", "StandardOutputFileToTruncate")) { + 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 if (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(streq(name, "StandardOutputFileToTruncate")); + c->std_output = EXEC_OUTPUT_FILE_TRUNCATE; + unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS, name, "StandardOutput=truncate:%s", s); + } + } else { + assert(STR_IN_SET(name, "StandardErrorFile", "StandardErrorFileToAppend", "StandardErrorFileToTruncate")); + + 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 if (streq(name, "StandardErrorFileToAppend")) { + c->std_error = EXEC_OUTPUT_FILE_APPEND; + unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS, name, "StandardError=append:%s", s); + } else { + assert(streq(name, "StandardErrorFileToTruncate")); + c->std_error = EXEC_OUTPUT_FILE_TRUNCATE; + unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS, name, "StandardError=truncate:%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_set(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(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_set(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(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_set(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, "CoredumpFilter")) { + uint64_t f; + + r = sd_bus_message_read(message, "t", &f); + if (r < 0) + return r; + + if (!UNIT_WRITE_FLAGS_NOOP(flags)) { + c->coredump_filter = f; + c->coredump_filter_set = true; + unit_write_settingf(u, flags, name, "CoredumpFilter=0x%"PRIx64, f); + } + + 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; + + r = sd_bus_message_enter_container(message, 'a', "(sb)"); + if (r < 0) + return r; + + f = open_memstream_unlocked(&joined, &size); + if (!f) + return -ENOMEM; + + 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, *buf = NULL; + + buf = strjoin(b ? "-" : "", path); + if (!buf) + return -ENOMEM; + + q = specifier_escape(buf); + if (!q) + return -ENOMEM; + + fprintf(f, "EnvironmentFile=%s\n", q); + + r = strv_consume(&l, TAKE_PTR(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_set(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", "ExecPaths", "NoExecPaths", + "ExtensionDirectories")) { + _cleanup_strv_free_ char **l = NULL; + char ***dirs; + + 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); + } + + 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 if (streq(name, "ExecPaths")) + dirs = &c->exec_paths; + else if (streq(name, "NoExecPaths")) + dirs = &c->no_exec_paths; + else if (streq(name, "ExtensionDirectories")) + dirs = &c->extension_directories; + 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 (streq(name, "ExecSearchPath")) { + _cleanup_strv_free_ char **l = NULL; + + r = sd_bus_message_read_strv(message, &l); + if (r < 0) + return r; + + STRV_FOREACH(p, l) + if (!path_is_absolute(*p) || !path_is_normalized(*p) || strchr(*p, ':')) + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid %s", name); + + if (!UNIT_WRITE_FLAGS_NOOP(flags)) { + if (strv_isempty(l)) { + c->exec_search_path = strv_free(c->exec_search_path); + unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS, name, "ExecSearchPath="); + } else { + _cleanup_free_ char *joined = NULL; + r = strv_extend_strv(&c->exec_search_path, l, true); + if (r < 0) + return -ENOMEM; + joined = strv_join(c->exec_search_path, ":"); + if (!joined) + return log_oom(); + unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS, name, "ExecSearchPath=%s", joined); + } + } + + return 1; + + } else if (STR_IN_SET(name, "RuntimeDirectory", "StateDirectory", "CacheDirectory", "LogsDirectory", "ConfigurationDirectory")) { + _cleanup_strv_free_ char **l = NULL; + + 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)) { + ExecDirectoryType i; + ExecDirectory *d; + + assert_se((i = exec_directory_type_from_string(name)) >= 0); + d = c->directories + i; + + if (strv_isempty(l)) { + exec_directory_done(d); + unit_write_settingf(u, flags, name, "%s=", name); + } else { + _cleanup_free_ char *joined = NULL; + + STRV_FOREACH(source, l) { + r = exec_directory_add(d, *source, NULL); + if (r < 0) + return log_oom(); + } + exec_directory_sort(d); + + 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")) { + 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_set(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 = source, + .destination = 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_safe(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_MAX) + 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; + } + + } else if (streq(name, "MountImages")) { + _cleanup_free_ char *format_str = NULL; + MountImage *mount_images = NULL; + size_t n_mount_images = 0; + char *source, *destination; + int permissive; + + r = sd_bus_message_enter_container(message, 'a', "(ssba(ss))"); + if (r < 0) + return r; + + for (;;) { + _cleanup_(mount_options_free_allp) MountOptions *options = NULL; + _cleanup_free_ char *source_escaped = NULL, *destination_escaped = NULL; + char *tuple; + + r = sd_bus_message_enter_container(message, 'r', "ssba(ss)"); + if (r < 0) + return r; + + r = sd_bus_message_read(message, "ssb", &source, &destination, &permissive); + if (r <= 0) + break; + + 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_normalized(source)) + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Source path %s is not normalized.", 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 (!path_is_normalized(destination)) + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Destination path %s is not normalized.", destination); + + /* Need to store them in the unit with the escapes, so that they can be parsed again */ + source_escaped = shell_escape(source, ":"); + if (!source_escaped) + return -ENOMEM; + destination_escaped = shell_escape(destination, ":"); + if (!destination_escaped) + return -ENOMEM; + + tuple = strjoin(format_str, + format_str ? " " : "", + permissive ? "-" : "", + source_escaped, + ":", + destination_escaped); + if (!tuple) + return -ENOMEM; + free_and_replace(format_str, tuple); + + r = bus_read_mount_options(message, error, &options, &format_str, ":"); + if (r < 0) + return r; + + r = sd_bus_message_exit_container(message); + if (r < 0) + return r; + + r = mount_image_add(&mount_images, &n_mount_images, + &(MountImage) { + .source = source, + .destination = destination, + .mount_options = options, + .ignore_enoent = permissive, + .type = MOUNT_IMAGE_DISCRETE, + }); + if (r < 0) + return r; + } + if (r < 0) + return r; + + r = sd_bus_message_exit_container(message); + if (r < 0) + return r; + + if (!UNIT_WRITE_FLAGS_NOOP(flags)) { + if (n_mount_images == 0) { + c->mount_images = mount_image_free_many(c->mount_images, &c->n_mount_images); + + unit_write_settingf(u, flags, name, "%s=", name); + } else { + for (size_t i = 0; i < n_mount_images; ++i) { + r = mount_image_add(&c->mount_images, &c->n_mount_images, &mount_images[i]); + if (r < 0) + return r; + } + + unit_write_settingf(u, flags|UNIT_ESCAPE_C|UNIT_ESCAPE_SPECIFIERS, + name, + "%s=%s", + name, + format_str); + } + } + + mount_images = mount_image_free_many(mount_images, &n_mount_images); + + return 1; + } else if (streq(name, "ExtensionImages")) { + _cleanup_free_ char *format_str = NULL; + MountImage *extension_images = NULL; + size_t n_extension_images = 0; + + r = sd_bus_message_enter_container(message, 'a', "(sba(ss))"); + if (r < 0) + return r; + + for (;;) { + _cleanup_(mount_options_free_allp) MountOptions *options = NULL; + _cleanup_free_ char *source_escaped = NULL; + char *source, *tuple; + int permissive; + + r = sd_bus_message_enter_container(message, 'r', "sba(ss)"); + if (r < 0) + return r; + + r = sd_bus_message_read(message, "sb", &source, &permissive); + if (r <= 0) + break; + + 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_normalized(source)) + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Source path %s is not normalized.", source); + + /* Need to store them in the unit with the escapes, so that they can be parsed again */ + source_escaped = shell_escape(source, ":"); + if (!source_escaped) + return -ENOMEM; + + tuple = strjoin(format_str, + format_str ? " " : "", + permissive ? "-" : "", + source_escaped); + if (!tuple) + return -ENOMEM; + free_and_replace(format_str, tuple); + + r = bus_read_mount_options(message, error, &options, &format_str, ":"); + if (r < 0) + return r; + + r = sd_bus_message_exit_container(message); + if (r < 0) + return r; + + r = mount_image_add(&extension_images, &n_extension_images, + &(MountImage) { + .source = source, + .mount_options = options, + .ignore_enoent = permissive, + .type = MOUNT_IMAGE_EXTENSION, + }); + if (r < 0) + return r; + } + if (r < 0) + return r; + + r = sd_bus_message_exit_container(message); + if (r < 0) + return r; + + if (!UNIT_WRITE_FLAGS_NOOP(flags)) { + if (n_extension_images == 0) { + c->extension_images = mount_image_free_many(c->extension_images, &c->n_extension_images); + + unit_write_settingf(u, flags, name, "%s=", name); + } else { + for (size_t i = 0; i < n_extension_images; ++i) { + r = mount_image_add(&c->extension_images, &c->n_extension_images, &extension_images[i]); + if (r < 0) + return r; + } + + unit_write_settingf(u, flags|UNIT_ESCAPE_C|UNIT_ESCAPE_SPECIFIERS, + name, + "%s=%s", + name, + format_str); + } + } + + extension_images = mount_image_free_many(extension_images, &n_extension_images); + + return 1; + + } else if (STR_IN_SET(name, "StateDirectorySymlink", "RuntimeDirectorySymlink", "CacheDirectorySymlink", "LogsDirectorySymlink")) { + char *source, *destination; + ExecDirectory *directory; + uint64_t symlink_flags; /* No flags for now, reserved for future uses. */ + ExecDirectoryType i; + + assert_se((i = exec_directory_type_symlink_from_string(name)) >= 0); + directory = c->directories + i; + + r = sd_bus_message_enter_container(message, 'a', "(sst)"); + if (r < 0) + return r; + + while ((r = sd_bus_message_read(message, "(sst)", &source, &destination, &symlink_flags)) > 0) { + if (!path_is_valid(source)) + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Source path %s is not valid.", source); + if (path_is_absolute(source)) + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Source path %s is absolute.", source); + if (!path_is_normalized(source)) + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Source path %s is not normalized.", source); + if (!path_is_valid(destination)) + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Destination path %s is not valid.", destination); + if (path_is_absolute(destination)) + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Destination path %s is absolute.", destination); + if (!path_is_normalized(destination)) + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Destination path %s is not normalized.", destination); + if (symlink_flags != 0) + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Flags must be zero."); + + if (!UNIT_WRITE_FLAGS_NOOP(flags)) { + _cleanup_free_ char *destination_escaped = NULL, *source_escaped = NULL; + + r = exec_directory_add(directory, source, destination); + if (r < 0) + return r; + + /* Need to store them in the unit with the escapes, so that they can be parsed again */ + source_escaped = xescape(source, ":"); + destination_escaped = xescape(destination, ":"); + if (!source_escaped || !destination_escaped) + return -ENOMEM; + + unit_write_settingf( + u, flags|UNIT_ESCAPE_SPECIFIERS, exec_directory_type_to_string(i), + "%s=%s:%s", + exec_directory_type_to_string(i), + source_escaped, + destination_escaped); + } + } + if (r < 0) + return r; + + exec_directory_sort(directory); + + r = sd_bus_message_exit_container(message); + if (r < 0) + return r; + + return 1; + + } + + return 0; +} |