| /* SPDX-License-Identifier: LGPL-2.1+ */ |
| |
| #include <sys/mount.h> |
| #include <sys/prctl.h> |
| #include <stdio_ext.h> |
| |
| #if HAVE_SECCOMP |
| #include <seccomp.h> |
| #endif |
| |
| #include "af-list.h" |
| #include "alloc-util.h" |
| #include "bus-util.h" |
| #include "cap-list.h" |
| #include "capability-util.h" |
| #include "cpu-set-util.h" |
| #include "dbus-execute.h" |
| #include "dbus-util.h" |
| #include "env-util.h" |
| #include "errno-list.h" |
| #include "escape.h" |
| #include "execute.h" |
| #include "fd-util.h" |
| #include "fileio.h" |
| #include "hexdecoct.h" |
| #include "io-util.h" |
| #include "ioprio.h" |
| #include "journal-util.h" |
| #include "missing.h" |
| #include "mount-util.h" |
| #include "namespace.h" |
| #include "parse-util.h" |
| #include "path-util.h" |
| #include "process-util.h" |
| #include "rlimit-util.h" |
| #if HAVE_SECCOMP |
| #include "seccomp-util.h" |
| #endif |
| #include "securebits-util.h" |
| #include "specifier.h" |
| #include "strv.h" |
| #include "syslog-util.h" |
| #include "unit-printf.h" |
| #include "user-util.h" |
| #include "utf8.h" |
| |
| BUS_DEFINE_PROPERTY_GET_ENUM(bus_property_get_exec_output, exec_output, ExecOutput); |
| static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_exec_input, exec_input, ExecInput); |
| static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_exec_utmp_mode, exec_utmp_mode, ExecUtmpMode); |
| static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_exec_preserve_mode, exec_preserve_mode, ExecPreserveMode); |
| static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_exec_keyring_mode, exec_keyring_mode, ExecKeyringMode); |
| static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_protect_home, protect_home, ProtectHome); |
| static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_protect_system, protect_system, ProtectSystem); |
| static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_personality, personality, unsigned long); |
| static BUS_DEFINE_PROPERTY_GET(property_get_ioprio, "i", ExecContext, exec_context_get_effective_ioprio); |
| static BUS_DEFINE_PROPERTY_GET2(property_get_ioprio_class, "i", ExecContext, exec_context_get_effective_ioprio, IOPRIO_PRIO_CLASS); |
| static BUS_DEFINE_PROPERTY_GET2(property_get_ioprio_priority, "i", ExecContext, exec_context_get_effective_ioprio, IOPRIO_PRIO_DATA); |
| static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_empty_string, "s", NULL); |
| static BUS_DEFINE_PROPERTY_GET_REF(property_get_syslog_level, "i", int, LOG_PRI); |
| static BUS_DEFINE_PROPERTY_GET_REF(property_get_syslog_facility, "i", int, LOG_FAC); |
| |
| static int property_get_environment_files( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| ExecContext *c = userdata; |
| char **j; |
| int r; |
| |
| assert(bus); |
| assert(reply); |
| assert(c); |
| |
| r = sd_bus_message_open_container(reply, 'a', "(sb)"); |
| if (r < 0) |
| return r; |
| |
| STRV_FOREACH(j, c->environment_files) { |
| const char *fn = *j; |
| |
| r = sd_bus_message_append(reply, "(sb)", fn[0] == '-' ? fn + 1 : fn, fn[0] == '-'); |
| if (r < 0) |
| return r; |
| } |
| |
| return sd_bus_message_close_container(reply); |
| } |
| |
| static int property_get_oom_score_adjust( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| ExecContext *c = userdata; |
| int32_t n; |
| |
| assert(bus); |
| assert(reply); |
| assert(c); |
| |
| if (c->oom_score_adjust_set) |
| n = c->oom_score_adjust; |
| else { |
| _cleanup_free_ char *t = NULL; |
| |
| n = 0; |
| if (read_one_line_file("/proc/self/oom_score_adj", &t) >= 0) |
| safe_atoi32(t, &n); |
| } |
| |
| return sd_bus_message_append(reply, "i", n); |
| } |
| |
| static int property_get_nice( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| ExecContext *c = userdata; |
| int32_t n; |
| |
| assert(bus); |
| assert(reply); |
| assert(c); |
| |
| if (c->nice_set) |
| n = c->nice; |
| else { |
| errno = 0; |
| n = getpriority(PRIO_PROCESS, 0); |
| if (errno > 0) |
| n = 0; |
| } |
| |
| return sd_bus_message_append(reply, "i", n); |
| } |
| |
| static int property_get_cpu_sched_policy( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| ExecContext *c = userdata; |
| int32_t n; |
| |
| assert(bus); |
| assert(reply); |
| assert(c); |
| |
| if (c->cpu_sched_set) |
| n = c->cpu_sched_policy; |
| else { |
| n = sched_getscheduler(0); |
| if (n < 0) |
| n = SCHED_OTHER; |
| } |
| |
| return sd_bus_message_append(reply, "i", n); |
| } |
| |
| static int property_get_cpu_sched_priority( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| ExecContext *c = userdata; |
| int32_t n; |
| |
| assert(bus); |
| assert(reply); |
| assert(c); |
| |
| if (c->cpu_sched_set) |
| n = c->cpu_sched_priority; |
| else { |
| struct sched_param p = {}; |
| |
| if (sched_getparam(0, &p) >= 0) |
| n = p.sched_priority; |
| else |
| n = 0; |
| } |
| |
| return sd_bus_message_append(reply, "i", n); |
| } |
| |
| static int property_get_cpu_affinity( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| ExecContext *c = userdata; |
| |
| assert(bus); |
| assert(reply); |
| assert(c); |
| |
| return sd_bus_message_append_array(reply, 'y', c->cpu_set.set, c->cpu_set.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 = userdata; |
| _cleanup_free_ uint8_t *array = NULL; |
| size_t allocated; |
| |
| assert(bus); |
| assert(reply); |
| assert(c); |
| |
| (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 = userdata; |
| int32_t policy; |
| |
| assert(bus); |
| assert(reply); |
| assert(c); |
| |
| 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 = userdata; |
| uint64_t u; |
| |
| assert(bus); |
| assert(reply); |
| assert(c); |
| |
| if (c->timer_slack_nsec != NSEC_INFINITY) |
| u = (uint64_t) c->timer_slack_nsec; |
| else |
| u = (uint64_t) prctl(PR_GET_TIMERSLACK); |
| |
| return sd_bus_message_append(reply, "t", u); |
| } |
| |
| static int property_get_syscall_filter( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| ExecContext *c = userdata; |
| _cleanup_strv_free_ char **l = NULL; |
| int r; |
| |
| #if HAVE_SECCOMP |
| Iterator i; |
| void *id, *val; |
| #endif |
| |
| assert(bus); |
| assert(reply); |
| assert(c); |
| |
| r = sd_bus_message_open_container(reply, 'r', "bas"); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_append(reply, "b", c->syscall_whitelist); |
| if (r < 0) |
| return r; |
| |
| #if HAVE_SECCOMP |
| HASHMAP_FOREACH_KEY(val, id, c->syscall_filter, i) { |
| _cleanup_free_ char *name = NULL; |
| const char *e = NULL; |
| char *s; |
| int num = PTR_TO_INT(val); |
| |
| name = seccomp_syscall_resolve_num_arch(SCMP_ARCH_NATIVE, PTR_TO_INT(id) - 1); |
| if (!name) |
| continue; |
| |
| if (num >= 0) { |
| e = errno_to_name(num); |
| if (e) { |
| s = strjoin(name, ":", e); |
| if (!s) |
| return -ENOMEM; |
| } else { |
| r = asprintf(&s, "%s:%d", name, num); |
| if (r < 0) |
| return -ENOMEM; |
| } |
| } else |
| s = TAKE_PTR(name); |
| |
| r = strv_consume(&l, s); |
| if (r < 0) |
| return r; |
| } |
| #endif |
| |
| strv_sort(l); |
| |
| r = sd_bus_message_append_strv(reply, l); |
| if (r < 0) |
| return r; |
| |
| return sd_bus_message_close_container(reply); |
| } |
| |
| static int property_get_syscall_archs( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| ExecContext *c = userdata; |
| _cleanup_strv_free_ char **l = NULL; |
| int r; |
| |
| #if HAVE_SECCOMP |
| Iterator i; |
| void *id; |
| #endif |
| |
| assert(bus); |
| assert(reply); |
| assert(c); |
| |
| #if HAVE_SECCOMP |
| SET_FOREACH(id, c->syscall_archs, i) { |
| const char *name; |
| |
| name = seccomp_arch_to_string(PTR_TO_UINT32(id) - 1); |
| if (!name) |
| continue; |
| |
| r = strv_extend(&l, name); |
| if (r < 0) |
| return -ENOMEM; |
| } |
| #endif |
| |
| strv_sort(l); |
| |
| r = sd_bus_message_append_strv(reply, l); |
| if (r < 0) |
| return r; |
| |
| return 0; |
| } |
| |
| static int property_get_selinux_context( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| ExecContext *c = userdata; |
| |
| assert(bus); |
| assert(reply); |
| assert(c); |
| |
| return sd_bus_message_append(reply, "(bs)", c->selinux_context_ignore, c->selinux_context); |
| } |
| |
| static int property_get_apparmor_profile( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| ExecContext *c = userdata; |
| |
| assert(bus); |
| assert(reply); |
| assert(c); |
| |
| return sd_bus_message_append(reply, "(bs)", c->apparmor_profile_ignore, c->apparmor_profile); |
| } |
| |
| static int property_get_smack_process_label( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| ExecContext *c = userdata; |
| |
| assert(bus); |
| assert(reply); |
| assert(c); |
| |
| return sd_bus_message_append(reply, "(bs)", c->smack_process_label_ignore, c->smack_process_label); |
| } |
| |
| static int property_get_address_families( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| ExecContext *c = userdata; |
| _cleanup_strv_free_ char **l = NULL; |
| Iterator i; |
| void *af; |
| int r; |
| |
| assert(bus); |
| assert(reply); |
| assert(c); |
| |
| r = sd_bus_message_open_container(reply, 'r', "bas"); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_append(reply, "b", c->address_families_whitelist); |
| if (r < 0) |
| return r; |
| |
| SET_FOREACH(af, c->address_families, i) { |
| const char *name; |
| |
| name = af_to_name(PTR_TO_INT(af)); |
| if (!name) |
| continue; |
| |
| r = strv_extend(&l, name); |
| if (r < 0) |
| return -ENOMEM; |
| } |
| |
| strv_sort(l); |
| |
| r = sd_bus_message_append_strv(reply, l); |
| if (r < 0) |
| return r; |
| |
| return sd_bus_message_close_container(reply); |
| } |
| |
| static int property_get_working_directory( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| ExecContext *c = userdata; |
| const char *wd; |
| |
| assert(bus); |
| assert(reply); |
| assert(c); |
| |
| if (c->working_directory_home) |
| wd = "~"; |
| else |
| wd = c->working_directory; |
| |
| if (c->working_directory_missing_ok) |
| wd = strjoina("!", wd); |
| |
| return sd_bus_message_append(reply, "s", wd); |
| } |
| |
| static int property_get_stdio_fdname( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| ExecContext *c = userdata; |
| int fileno; |
| |
| assert(bus); |
| assert(c); |
| assert(property); |
| assert(reply); |
| |
| if (streq(property, "StandardInputFileDescriptorName")) |
| fileno = STDIN_FILENO; |
| else if (streq(property, "StandardOutputFileDescriptorName")) |
| fileno = STDOUT_FILENO; |
| else { |
| assert(streq(property, "StandardErrorFileDescriptorName")); |
| fileno = STDERR_FILENO; |
| } |
| |
| return sd_bus_message_append(reply, "s", exec_context_fdname(c, fileno)); |
| } |
| |
| static int property_get_input_data( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| ExecContext *c = userdata; |
| |
| assert(bus); |
| assert(c); |
| assert(property); |
| assert(reply); |
| |
| return sd_bus_message_append_array(reply, 'y', c->stdin_data, c->stdin_data_size); |
| } |
| |
| static int property_get_bind_paths( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| ExecContext *c = userdata; |
| unsigned i; |
| bool ro; |
| int r; |
| |
| assert(bus); |
| assert(c); |
| assert(property); |
| assert(reply); |
| |
| ro = strstr(property, "ReadOnly"); |
| |
| r = sd_bus_message_open_container(reply, 'a', "(ssbt)"); |
| if (r < 0) |
| return r; |
| |
| for (i = 0; i < c->n_bind_mounts; i++) { |
| |
| if (ro != c->bind_mounts[i].read_only) |
| continue; |
| |
| r = sd_bus_message_append( |
| reply, "(ssbt)", |
| c->bind_mounts[i].source, |
| c->bind_mounts[i].destination, |
| c->bind_mounts[i].ignore_enoent, |
| c->bind_mounts[i].recursive ? (uint64_t) MS_REC : (uint64_t) 0); |
| if (r < 0) |
| return r; |
| } |
| |
| return sd_bus_message_close_container(reply); |
| } |
| |
| static int property_get_temporary_filesystems( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| ExecContext *c = userdata; |
| unsigned i; |
| int r; |
| |
| assert(bus); |
| assert(c); |
| assert(property); |
| assert(reply); |
| |
| r = sd_bus_message_open_container(reply, 'a', "(ss)"); |
| if (r < 0) |
| return r; |
| |
| for (i = 0; i < c->n_temporary_filesystems; i++) { |
| TemporaryFileSystem *t = c->temporary_filesystems + i; |
| |
| r = sd_bus_message_append( |
| reply, "(ss)", |
| t->path, |
| t->options); |
| if (r < 0) |
| return r; |
| } |
| |
| return sd_bus_message_close_container(reply); |
| } |
| |
| static int property_get_log_extra_fields( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| ExecContext *c = userdata; |
| size_t i; |
| int r; |
| |
| assert(bus); |
| assert(c); |
| assert(property); |
| assert(reply); |
| |
| r = sd_bus_message_open_container(reply, 'a', "ay"); |
| if (r < 0) |
| return r; |
| |
| for (i = 0; i < c->n_log_extra_fields; i++) { |
| r = sd_bus_message_append_array(reply, 'y', c->log_extra_fields[i].iov_base, c->log_extra_fields[i].iov_len); |
| if (r < 0) |
| return r; |
| } |
| |
| return sd_bus_message_close_container(reply); |
| } |
| |
| const sd_bus_vtable bus_exec_vtable[] = { |
| SD_BUS_VTABLE_START(0), |
| SD_BUS_PROPERTY("Environment", "as", NULL, offsetof(ExecContext, environment), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("EnvironmentFiles", "a(sb)", property_get_environment_files, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("PassEnvironment", "as", NULL, offsetof(ExecContext, pass_environment), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("UnsetEnvironment", "as", NULL, offsetof(ExecContext, unset_environment), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("UMask", "u", bus_property_get_mode, offsetof(ExecContext, umask), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("LimitCPU", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_CPU]), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("LimitCPUSoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_CPU]), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("LimitFSIZE", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_FSIZE]), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("LimitFSIZESoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_FSIZE]), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("LimitDATA", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_DATA]), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("LimitDATASoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_DATA]), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("LimitSTACK", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_STACK]), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("LimitSTACKSoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_STACK]), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("LimitCORE", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_CORE]), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("LimitCORESoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_CORE]), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("LimitRSS", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_RSS]), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("LimitRSSSoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_RSS]), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("LimitNOFILE", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_NOFILE]), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("LimitNOFILESoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_NOFILE]), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("LimitAS", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_AS]), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("LimitASSoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_AS]), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("LimitNPROC", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_NPROC]), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("LimitNPROCSoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_NPROC]), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("LimitMEMLOCK", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_MEMLOCK]), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("LimitMEMLOCKSoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_MEMLOCK]), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("LimitLOCKS", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_LOCKS]), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("LimitLOCKSSoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_LOCKS]), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("LimitSIGPENDING", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_SIGPENDING]), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("LimitSIGPENDINGSoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_SIGPENDING]), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("LimitMSGQUEUE", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_MSGQUEUE]), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("LimitMSGQUEUESoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_MSGQUEUE]), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("LimitNICE", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_NICE]), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("LimitNICESoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_NICE]), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("LimitRTPRIO", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_RTPRIO]), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("LimitRTPRIOSoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_RTPRIO]), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("LimitRTTIME", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_RTTIME]), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("LimitRTTIMESoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_RTTIME]), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("WorkingDirectory", "s", property_get_working_directory, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("RootDirectory", "s", NULL, offsetof(ExecContext, root_directory), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("RootImage", "s", NULL, offsetof(ExecContext, root_image), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("OOMScoreAdjust", "i", property_get_oom_score_adjust, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("Nice", "i", property_get_nice, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("IOSchedulingClass", "i", property_get_ioprio_class, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("IOSchedulingPriority", "i", property_get_ioprio_priority, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("CPUSchedulingPolicy", "i", property_get_cpu_sched_policy, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("CPUSchedulingPriority", "i", property_get_cpu_sched_priority, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("CPUAffinity", "ay", property_get_cpu_affinity, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("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("SyslogPriority", "i", bus_property_get_int, offsetof(ExecContext, syslog_priority), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("SyslogIdentifier", "s", NULL, offsetof(ExecContext, syslog_identifier), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("SyslogLevelPrefix", "b", bus_property_get_bool, offsetof(ExecContext, syslog_level_prefix), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("SyslogLevel", "i", property_get_syslog_level, offsetof(ExecContext, syslog_priority), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("SyslogFacility", "i", property_get_syslog_facility, offsetof(ExecContext, syslog_priority), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("LogLevelMax", "i", bus_property_get_int, offsetof(ExecContext, log_level_max), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("LogRateLimitIntervalUSec", "t", bus_property_get_usec, offsetof(ExecContext, log_rate_limit_interval_usec), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("LogRateLimitBurst", "u", bus_property_get_unsigned, offsetof(ExecContext, log_rate_limit_burst), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("LogExtraFields", "aay", property_get_log_extra_fields, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("SecureBits", "i", bus_property_get_int, offsetof(ExecContext, secure_bits), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("CapabilityBoundingSet", "t", NULL, offsetof(ExecContext, capability_bounding_set), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("AmbientCapabilities", "t", NULL, offsetof(ExecContext, capability_ambient_set), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("User", "s", NULL, offsetof(ExecContext, user), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("Group", "s", NULL, offsetof(ExecContext, group), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("DynamicUser", "b", bus_property_get_bool, offsetof(ExecContext, dynamic_user), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("RemoveIPC", "b", bus_property_get_bool, offsetof(ExecContext, remove_ipc), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("SupplementaryGroups", "as", NULL, offsetof(ExecContext, supplementary_groups), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("PAMName", "s", NULL, offsetof(ExecContext, pam_name), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("ReadWritePaths", "as", NULL, offsetof(ExecContext, read_write_paths), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("ReadOnlyPaths", "as", NULL, offsetof(ExecContext, read_only_paths), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("InaccessiblePaths", "as", NULL, offsetof(ExecContext, inaccessible_paths), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("MountFlags", "t", bus_property_get_ulong, offsetof(ExecContext, mount_flags), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("PrivateTmp", "b", bus_property_get_bool, offsetof(ExecContext, private_tmp), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("PrivateDevices", "b", bus_property_get_bool, offsetof(ExecContext, private_devices), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("ProtectKernelTunables", "b", bus_property_get_bool, offsetof(ExecContext, protect_kernel_tunables), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("ProtectKernelModules", "b", bus_property_get_bool, offsetof(ExecContext, protect_kernel_modules), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("ProtectControlGroups", "b", bus_property_get_bool, offsetof(ExecContext, protect_control_groups), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("PrivateNetwork", "b", bus_property_get_bool, offsetof(ExecContext, private_network), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("PrivateUsers", "b", bus_property_get_bool, offsetof(ExecContext, private_users), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("PrivateMounts", "b", bus_property_get_bool, offsetof(ExecContext, private_mounts), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("ProtectHome", "s", property_get_protect_home, offsetof(ExecContext, protect_home), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("ProtectSystem", "s", property_get_protect_system, offsetof(ExecContext, protect_system), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("SameProcessGroup", "b", bus_property_get_bool, offsetof(ExecContext, same_pgrp), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("UtmpIdentifier", "s", NULL, offsetof(ExecContext, utmp_id), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("UtmpMode", "s", property_get_exec_utmp_mode, offsetof(ExecContext, utmp_mode), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("SELinuxContext", "(bs)", property_get_selinux_context, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("AppArmorProfile", "(bs)", property_get_apparmor_profile, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("SmackProcessLabel", "(bs)", property_get_smack_process_label, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("IgnoreSIGPIPE", "b", bus_property_get_bool, offsetof(ExecContext, ignore_sigpipe), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("NoNewPrivileges", "b", bus_property_get_bool, offsetof(ExecContext, no_new_privileges), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("SystemCallFilter", "(bas)", property_get_syscall_filter, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("SystemCallArchitectures", "as", property_get_syscall_archs, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("SystemCallErrorNumber", "i", bus_property_get_int, offsetof(ExecContext, syscall_errno), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("Personality", "s", property_get_personality, offsetof(ExecContext, personality), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("LockPersonality", "b", bus_property_get_bool, offsetof(ExecContext, lock_personality), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("RestrictAddressFamilies", "(bas)", property_get_address_families, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("RuntimeDirectoryPreserve", "s", property_get_exec_preserve_mode, offsetof(ExecContext, runtime_directory_preserve_mode), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("RuntimeDirectoryMode", "u", bus_property_get_mode, offsetof(ExecContext, directories[EXEC_DIRECTORY_RUNTIME].mode), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("RuntimeDirectory", "as", NULL, offsetof(ExecContext, directories[EXEC_DIRECTORY_RUNTIME].paths), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("StateDirectoryMode", "u", bus_property_get_mode, offsetof(ExecContext, directories[EXEC_DIRECTORY_STATE].mode), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("StateDirectory", "as", NULL, offsetof(ExecContext, directories[EXEC_DIRECTORY_STATE].paths), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("CacheDirectoryMode", "u", bus_property_get_mode, offsetof(ExecContext, directories[EXEC_DIRECTORY_CACHE].mode), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("CacheDirectory", "as", NULL, offsetof(ExecContext, directories[EXEC_DIRECTORY_CACHE].paths), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("LogsDirectoryMode", "u", bus_property_get_mode, offsetof(ExecContext, directories[EXEC_DIRECTORY_LOGS].mode), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("LogsDirectory", "as", NULL, offsetof(ExecContext, directories[EXEC_DIRECTORY_LOGS].paths), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("ConfigurationDirectoryMode", "u", bus_property_get_mode, offsetof(ExecContext, directories[EXEC_DIRECTORY_CONFIGURATION].mode), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("ConfigurationDirectory", "as", NULL, offsetof(ExecContext, directories[EXEC_DIRECTORY_CONFIGURATION].paths), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("MemoryDenyWriteExecute", "b", bus_property_get_bool, offsetof(ExecContext, memory_deny_write_execute), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("RestrictRealtime", "b", bus_property_get_bool, offsetof(ExecContext, restrict_realtime), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("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("BindPaths", "a(ssbt)", property_get_bind_paths, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("BindReadOnlyPaths", "a(ssbt)", property_get_bind_paths, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("TemporaryFileSystem", "a(ss)", property_get_temporary_filesystems, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("MountAPIVFS", "b", bus_property_get_bool, offsetof(ExecContext, mount_apivfs), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("KeyringMode", "s", property_get_exec_keyring_mode, offsetof(ExecContext, keyring_mode), SD_BUS_VTABLE_PROPERTY_CONST), |
| |
| /* Obsolete/redundant properties: */ |
| SD_BUS_PROPERTY("Capabilities", "s", property_get_empty_string, 0, SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_HIDDEN), |
| SD_BUS_PROPERTY("ReadWriteDirectories", "as", NULL, offsetof(ExecContext, read_write_paths), SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_HIDDEN), |
| SD_BUS_PROPERTY("ReadOnlyDirectories", "as", NULL, offsetof(ExecContext, read_only_paths), SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_HIDDEN), |
| SD_BUS_PROPERTY("InaccessibleDirectories", "as", NULL, offsetof(ExecContext, inaccessible_paths), SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_HIDDEN), |
| SD_BUS_PROPERTY("IOScheduling", "i", property_get_ioprio, 0, SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_HIDDEN), |
| |
| SD_BUS_VTABLE_END |
| }; |
| |
| static int append_exec_command(sd_bus_message *reply, ExecCommand *c) { |
| int r; |
| |
| assert(reply); |
| assert(c); |
| |
| if (!c->path) |
| return 0; |
| |
| r = sd_bus_message_open_container(reply, 'r', "sasbttttuii"); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_append(reply, "s", c->path); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_append_strv(reply, c->argv); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_append(reply, "bttttuii", |
| !!(c->flags & EXEC_COMMAND_IGNORE_FAILURE), |
| c->exec_status.start_timestamp.realtime, |
| c->exec_status.start_timestamp.monotonic, |
| c->exec_status.exit_timestamp.realtime, |
| c->exec_status.exit_timestamp.monotonic, |
| (uint32_t) c->exec_status.pid, |
| (int32_t) c->exec_status.code, |
| (int32_t) c->exec_status.status); |
| if (r < 0) |
| return r; |
| |
| return sd_bus_message_close_container(reply); |
| } |
| |
| int bus_property_get_exec_command( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *ret_error) { |
| |
| ExecCommand *c = (ExecCommand*) userdata; |
| int r; |
| |
| assert(bus); |
| assert(reply); |
| |
| r = sd_bus_message_open_container(reply, 'a', "(sasbttttuii)"); |
| if (r < 0) |
| return r; |
| |
| r = append_exec_command(reply, c); |
| if (r < 0) |
| return r; |
| |
| return sd_bus_message_close_container(reply); |
| } |
| |
| int bus_property_get_exec_command_list( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *ret_error) { |
| |
| ExecCommand *c = *(ExecCommand**) userdata; |
| int r; |
| |
| assert(bus); |
| assert(reply); |
| |
| r = sd_bus_message_open_container(reply, 'a', "(sasbttttuii)"); |
| if (r < 0) |
| return r; |
| |
| LIST_FOREACH(command, c, c) { |
| r = append_exec_command(reply, c); |
| if (r < 0) |
| return r; |
| } |
| |
| return sd_bus_message_close_container(reply); |
| } |
| |
| int bus_set_transient_exec_command( |
| Unit *u, |
| const char *name, |
| ExecCommand **exec_command, |
| sd_bus_message *message, |
| UnitWriteFlags flags, |
| sd_bus_error *error) { |
| unsigned n = 0; |
| int r; |
| |
| r = sd_bus_message_enter_container(message, 'a', "(sasb)"); |
| if (r < 0) |
| return r; |
| |
| while ((r = sd_bus_message_enter_container(message, 'r', "sasb")) > 0) { |
| _cleanup_strv_free_ char **argv = NULL; |
| const char *path; |
| int b; |
| |
| r = sd_bus_message_read(message, "s", &path); |
| if (r < 0) |
| return r; |
| |
| if (!path_is_absolute(path)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Path %s is not absolute.", path); |
| |
| r = sd_bus_message_read_strv(message, &argv); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_read(message, "b", &b); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_exit_container(message); |
| if (r < 0) |
| return r; |
| |
| if (!UNIT_WRITE_FLAGS_NOOP(flags)) { |
| ExecCommand *c; |
| |
| c = new0(ExecCommand, 1); |
| if (!c) |
| return -ENOMEM; |
| |
| c->path = strdup(path); |
| if (!c->path) { |
| free(c); |
| return -ENOMEM; |
| } |
| |
| c->argv = TAKE_PTR(argv); |
| |
| c->flags = b ? EXEC_COMMAND_IGNORE_FAILURE : 0; |
| |
| path_simplify(c->path, false); |
| exec_command_append_list(exec_command, c); |
| } |
| |
| n++; |
| } |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_exit_container(message); |
| if (r < 0) |
| return r; |
| |
| if (!UNIT_WRITE_FLAGS_NOOP(flags)) { |
| _cleanup_free_ char *buf = NULL; |
| _cleanup_fclose_ FILE *f = NULL; |
| ExecCommand *c; |
| size_t size = 0; |
| |
| if (n == 0) |
| *exec_command = exec_command_free_list(*exec_command); |
| |
| f = open_memstream(&buf, &size); |
| if (!f) |
| return -ENOMEM; |
| |
| (void) __fsetlocking(f, FSETLOCKING_BYCALLER); |
| |
| fputs("ExecStart=\n", f); |
| |
| LIST_FOREACH(command, c, *exec_command) { |
| _cleanup_free_ char *a = NULL, *t = NULL; |
| const char *p; |
| |
| p = unit_escape_setting(c->path, UNIT_ESCAPE_C|UNIT_ESCAPE_SPECIFIERS, &t); |
| if (!p) |
| return -ENOMEM; |
| |
| a = unit_concat_strv(c->argv, UNIT_ESCAPE_C|UNIT_ESCAPE_SPECIFIERS); |
| if (!a) |
| return -ENOMEM; |
| |
| fprintf(f, "%s=%s@%s %s\n", |
| name, |
| c->flags & EXEC_COMMAND_IGNORE_FAILURE ? "-" : "", |
| p, |
| a); |
| } |
| |
| r = fflush_and_check(f); |
| if (r < 0) |
| return r; |
| |
| unit_write_setting(u, flags, name, buf); |
| } |
| |
| return 1; |
| } |
| |
| static int parse_personality(const char *s, unsigned long *p) { |
| unsigned long v; |
| |
| assert(p); |
| |
| v = personality_from_string(s); |
| if (v == PERSONALITY_INVALID) |
| return -EINVAL; |
| |
| *p = v; |
| return 0; |
| } |
| |
| static const char* mount_propagation_flags_to_string_with_check(unsigned long n) { |
| if (!IN_SET(n, 0, MS_SHARED, MS_PRIVATE, MS_SLAVE)) |
| return NULL; |
| |
| return mount_propagation_flags_to_string(n); |
| } |
| |
| static BUS_DEFINE_SET_TRANSIENT(nsec, "t", uint64_t, nsec_t, NSEC_FMT); |
| static BUS_DEFINE_SET_TRANSIENT_IS_VALID(log_level, "i", int32_t, int, "%" PRIi32, log_level_is_valid); |
| #if HAVE_SECCOMP |
| static BUS_DEFINE_SET_TRANSIENT_IS_VALID(errno, "i", int32_t, int, "%" PRIi32, errno_is_valid); |
| #endif |
| static BUS_DEFINE_SET_TRANSIENT_IS_VALID(sched_priority, "i", int32_t, int, "%" PRIi32, sched_priority_is_valid); |
| static BUS_DEFINE_SET_TRANSIENT_IS_VALID(nice, "i", int32_t, int, "%" PRIi32, nice_is_valid); |
| static BUS_DEFINE_SET_TRANSIENT_PARSE(std_input, ExecInput, exec_input_from_string); |
| static BUS_DEFINE_SET_TRANSIENT_PARSE(std_output, ExecOutput, exec_output_from_string); |
| static BUS_DEFINE_SET_TRANSIENT_PARSE(utmp_mode, ExecUtmpMode, exec_utmp_mode_from_string); |
| static BUS_DEFINE_SET_TRANSIENT_PARSE(protect_system, ProtectSystem, protect_system_from_string); |
| static BUS_DEFINE_SET_TRANSIENT_PARSE(protect_home, ProtectHome, protect_home_from_string); |
| static BUS_DEFINE_SET_TRANSIENT_PARSE(keyring_mode, ExecKeyringMode, exec_keyring_mode_from_string); |
| static BUS_DEFINE_SET_TRANSIENT_PARSE(preserve_mode, ExecPreserveMode, exec_preserve_mode_from_string); |
| static BUS_DEFINE_SET_TRANSIENT_PARSE_PTR(personality, unsigned long, parse_personality); |
| static BUS_DEFINE_SET_TRANSIENT_TO_STRING_ALLOC(secure_bits, "i", int32_t, int, "%" PRIi32, secure_bits_to_string_alloc_with_check); |
| static BUS_DEFINE_SET_TRANSIENT_TO_STRING_ALLOC(capability, "t", uint64_t, uint64_t, "%" PRIu64, capability_set_to_string_alloc); |
| static BUS_DEFINE_SET_TRANSIENT_TO_STRING_ALLOC(sched_policy, "i", int32_t, int, "%" PRIi32, sched_policy_to_string_alloc_with_check); |
| static BUS_DEFINE_SET_TRANSIENT_TO_STRING_ALLOC(namespace_flag, "t", uint64_t, unsigned long, "%" PRIu64, namespace_flags_to_string); |
| static BUS_DEFINE_SET_TRANSIENT_TO_STRING(mount_flags, "t", uint64_t, unsigned long, "%" PRIu64, mount_propagation_flags_to_string_with_check); |
| |
| int bus_exec_context_set_transient_property( |
| Unit *u, |
| ExecContext *c, |
| const char *name, |
| sd_bus_message *message, |
| UnitWriteFlags flags, |
| sd_bus_error *error) { |
| |
| const char *suffix; |
| int r; |
| |
| assert(u); |
| assert(c); |
| assert(name); |
| assert(message); |
| |
| flags |= UNIT_PRIVATE; |
| |
| if (streq(name, "User")) |
| return bus_set_transient_user(u, name, &c->user, message, flags, error); |
| |
| if (streq(name, "Group")) |
| return bus_set_transient_user(u, name, &c->group, message, flags, error); |
| |
| if (streq(name, "TTYPath")) |
| return bus_set_transient_path(u, name, &c->tty_path, message, flags, error); |
| |
| if (streq(name, "RootImage")) |
| return bus_set_transient_path(u, name, &c->root_image, message, flags, error); |
| |
| if (streq(name, "RootDirectory")) |
| return bus_set_transient_path(u, name, &c->root_directory, message, flags, error); |
| |
| if (streq(name, "SyslogIdentifier")) |
| return bus_set_transient_string(u, name, &c->syslog_identifier, message, flags, error); |
| |
| if (streq(name, "LogLevelMax")) |
| return bus_set_transient_log_level(u, name, &c->log_level_max, message, flags, error); |
| |
| if (streq(name, "CPUSchedulingPriority")) |
| return bus_set_transient_sched_priority(u, name, &c->cpu_sched_priority, message, flags, error); |
| |
| if (streq(name, "LogRateLimitIntervalUSec")) |
| return bus_set_transient_usec(u, name, &c->log_rate_limit_interval_usec, message, flags, error); |
| |
| if (streq(name, "LogRateLimitBurst")) |
| return bus_set_transient_unsigned(u, name, &c->log_rate_limit_burst, message, flags, error); |
| |
| if (streq(name, "Personality")) |
| return bus_set_transient_personality(u, name, &c->personality, message, flags, error); |
| |
| if (streq(name, "Nice")) |
| return bus_set_transient_nice(u, name, &c->nice, message, flags, error); |
| |
| if (streq(name, "StandardInput")) |
| return bus_set_transient_std_input(u, name, &c->std_input, message, flags, error); |
| |
| if (streq(name, "StandardOutput")) |
| return bus_set_transient_std_output(u, name, &c->std_output, message, flags, error); |
| |
| if (streq(name, "StandardError")) |
| return bus_set_transient_std_output(u, name, &c->std_error, message, flags, error); |
| |
| if (streq(name, "IgnoreSIGPIPE")) |
| return bus_set_transient_bool(u, name, &c->ignore_sigpipe, message, flags, error); |
| |
| if (streq(name, "TTYVHangup")) |
| return bus_set_transient_bool(u, name, &c->tty_vhangup, message, flags, error); |
| |
| if (streq(name, "TTYReset")) |
| return bus_set_transient_bool(u, name, &c->tty_reset, message, flags, error); |
| |
| if (streq(name, "TTYVTDisallocate")) |
| return bus_set_transient_bool(u, name, &c->tty_vt_disallocate, message, flags, error); |
| |
| if (streq(name, "PrivateTmp")) |
| return bus_set_transient_bool(u, name, &c->private_tmp, message, flags, error); |
| |
| if (streq(name, "PrivateDevices")) |
| return bus_set_transient_bool(u, name, &c->private_devices, message, flags, error); |
| |
| if (streq(name, "PrivateMounts")) |
| return bus_set_transient_bool(u, name, &c->private_mounts, message, flags, error); |
| |
| if (streq(name, "PrivateNetwork")) |
| return bus_set_transient_bool(u, name, &c->private_network, message, flags, error); |
| |
| if (streq(name, "PrivateUsers")) |
| return bus_set_transient_bool(u, name, &c->private_users, message, flags, error); |
| |
| if (streq(name, "NoNewPrivileges")) |
| return bus_set_transient_bool(u, name, &c->no_new_privileges, message, flags, error); |
| |
| if (streq(name, "SyslogLevelPrefix")) |
| return bus_set_transient_bool(u, name, &c->syslog_level_prefix, message, flags, error); |
| |
| if (streq(name, "MemoryDenyWriteExecute")) |
| return bus_set_transient_bool(u, name, &c->memory_deny_write_execute, message, flags, error); |
| |
| if (streq(name, "RestrictRealtime")) |
| return bus_set_transient_bool(u, name, &c->restrict_realtime, message, flags, error); |
| |
| if (streq(name, "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, "ProtectControlGroups")) |
| return bus_set_transient_bool(u, name, &c->protect_control_groups, message, flags, error); |
| |
| if (streq(name, "MountAPIVFS")) |
| return bus_set_transient_bool(u, name, &c->mount_apivfs, message, flags, error); |
| |
| if (streq(name, "CPUSchedulingResetOnFork")) |
| return bus_set_transient_bool(u, name, &c->cpu_sched_reset_on_fork, message, flags, error); |
| |
| if (streq(name, "NonBlocking")) |
| return bus_set_transient_bool(u, name, &c->non_blocking, message, flags, error); |
| |
| if (streq(name, "LockPersonality")) |
| return bus_set_transient_bool(u, name, &c->lock_personality, message, flags, error); |
| |
| if (streq(name, "UtmpIdentifier")) |
| return bus_set_transient_string(u, name, &c->utmp_id, message, flags, error); |
| |
| if (streq(name, "UtmpMode")) |
| return bus_set_transient_utmp_mode(u, name, &c->utmp_mode, message, flags, error); |
| |
| if (streq(name, "PAMName")) |
| return bus_set_transient_string(u, name, &c->pam_name, message, flags, error); |
| |
| if (streq(name, "TimerSlackNSec")) |
| return bus_set_transient_nsec(u, name, &c->timer_slack_nsec, message, flags, error); |
| |
| if (streq(name, "ProtectSystem")) |
| return bus_set_transient_protect_system(u, name, &c->protect_system, message, flags, error); |
| |
| if (streq(name, "ProtectHome")) |
| return bus_set_transient_protect_home(u, name, &c->protect_home, message, flags, error); |
| |
| if (streq(name, "KeyringMode")) |
| return bus_set_transient_keyring_mode(u, name, &c->keyring_mode, message, flags, error); |
| |
| if (streq(name, "RuntimeDirectoryPreserve")) |
| return bus_set_transient_preserve_mode(u, name, &c->runtime_directory_preserve_mode, message, flags, error); |
| |
| if (streq(name, "UMask")) |
| return bus_set_transient_mode_t(u, name, &c->umask, message, flags, error); |
| |
| if (streq(name, "RuntimeDirectoryMode")) |
| return bus_set_transient_mode_t(u, name, &c->directories[EXEC_DIRECTORY_RUNTIME].mode, message, flags, error); |
| |
| if (streq(name, "StateDirectoryMode")) |
| return bus_set_transient_mode_t(u, name, &c->directories[EXEC_DIRECTORY_STATE].mode, message, flags, error); |
| |
| if (streq(name, "CacheDirectoryMode")) |
| return bus_set_transient_mode_t(u, name, &c->directories[EXEC_DIRECTORY_CACHE].mode, message, flags, error); |
| |
| if (streq(name, "LogsDirectoryMode")) |
| return bus_set_transient_mode_t(u, name, &c->directories[EXEC_DIRECTORY_LOGS].mode, message, flags, error); |
| |
| if (streq(name, "ConfigurationDirectoryMode")) |
| return bus_set_transient_mode_t(u, name, &c->directories[EXEC_DIRECTORY_CONFIGURATION].mode, message, flags, error); |
| |
| if (streq(name, "SELinuxContext")) |
| return bus_set_transient_string(u, name, &c->selinux_context, message, flags, error); |
| |
| if (streq(name, "SecureBits")) |
| return bus_set_transient_secure_bits(u, name, &c->secure_bits, message, flags, error); |
| |
| if (streq(name, "CapabilityBoundingSet")) |
| return bus_set_transient_capability(u, name, &c->capability_bounding_set, message, flags, error); |
| |
| if (streq(name, "AmbientCapabilities")) |
| return bus_set_transient_capability(u, name, &c->capability_ambient_set, message, flags, error); |
| |
| if (streq(name, "CPUSchedulingPolicy")) |
| return bus_set_transient_sched_policy(u, name, &c->cpu_sched_policy, message, flags, error); |
| |
| if (streq(name, "RestrictNamespaces")) |
| return bus_set_transient_namespace_flag(u, name, &c->restrict_namespaces, message, flags, error); |
| |
| if (streq(name, "MountFlags")) |
| return bus_set_transient_mount_flags(u, name, &c->mount_flags, message, flags, error); |
| |
| if (streq(name, "SupplementaryGroups")) { |
| _cleanup_strv_free_ char **l = NULL; |
| char **p; |
| |
| r = sd_bus_message_read_strv(message, &l); |
| if (r < 0) |
| return r; |
| |
| STRV_FOREACH(p, l) { |
| if (!isempty(*p) && !valid_user_group_name_or_id(*p)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid supplementary group names"); |
| } |
| |
| if (!UNIT_WRITE_FLAGS_NOOP(flags)) { |
| if (strv_isempty(l)) { |
| c->supplementary_groups = strv_free(c->supplementary_groups); |
| unit_write_settingf(u, flags, name, "%s=", name); |
| } else { |
| _cleanup_free_ char *joined = NULL; |
| |
| r = strv_extend_strv(&c->supplementary_groups, l, true); |
| if (r < 0) |
| return -ENOMEM; |
| |
| joined = strv_join(c->supplementary_groups, " "); |
| if (!joined) |
| return -ENOMEM; |
| |
| unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS, name, "%s=%s", name, joined); |
| } |
| } |
| |
| return 1; |
| |
| } else if (streq(name, "SyslogLevel")) { |
| int32_t level; |
| |
| r = sd_bus_message_read(message, "i", &level); |
| if (r < 0) |
| return r; |
| |
| if (!log_level_is_valid(level)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Log level value out of range"); |
| |
| if (!UNIT_WRITE_FLAGS_NOOP(flags)) { |
| c->syslog_priority = (c->syslog_priority & LOG_FACMASK) | level; |
| unit_write_settingf(u, flags, name, "SyslogLevel=%i", level); |
| } |
| |
| return 1; |
| |
| } else if (streq(name, "SyslogFacility")) { |
| int32_t facility; |
| |
| r = sd_bus_message_read(message, "i", &facility); |
| if (r < 0) |
| return r; |
| |
| if (!log_facility_unshifted_is_valid(facility)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Log facility value out of range"); |
| |
| if (!UNIT_WRITE_FLAGS_NOOP(flags)) { |
| c->syslog_priority = (facility << 3) | LOG_PRI(c->syslog_priority); |
| unit_write_settingf(u, flags, name, "SyslogFacility=%i", facility); |
| } |
| |
| return 1; |
| |
| } else if (streq(name, "LogExtraFields")) { |
| size_t n = 0; |
| |
| r = sd_bus_message_enter_container(message, 'a', "ay"); |
| if (r < 0) |
| return r; |
| |
| for (;;) { |
| _cleanup_free_ void *copy = NULL; |
| struct iovec *t; |
| const char *eq; |
| const void *p; |
| size_t sz; |
| |
| /* Note that we expect a byte array for each field, instead of a string. That's because on the |
| * lower-level journal fields can actually contain binary data and are not restricted to text, |
| * and we should not "lose precision" in our types on the way. That said, I am pretty sure |
| * actually encoding binary data as unit metadata is not a good idea. Hence we actually refuse |
| * any actual binary data, and only accept UTF-8. This allows us to eventually lift this |
| * limitation, should a good, valid usecase arise. */ |
| |
| r = sd_bus_message_read_array(message, 'y', &p, &sz); |
| if (r < 0) |
| return r; |
| if (r == 0) |
| break; |
| |
| if (memchr(p, 0, sz)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Journal field contains zero byte"); |
| |
| eq = memchr(p, '=', sz); |
| if (!eq) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Journal field contains no '=' character"); |
| if (!journal_field_valid(p, eq - (const char*) p, false)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Journal field invalid"); |
| |
| if (!UNIT_WRITE_FLAGS_NOOP(flags)) { |
| t = reallocarray(c->log_extra_fields, c->n_log_extra_fields+1, sizeof(struct iovec)); |
| if (!t) |
| return -ENOMEM; |
| c->log_extra_fields = t; |
| } |
| |
| copy = malloc(sz + 1); |
| if (!copy) |
| return -ENOMEM; |
| |
| memcpy(copy, p, sz); |
| ((uint8_t*) copy)[sz] = 0; |
| |
| if (!utf8_is_valid(copy)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Journal field is not valid UTF-8"); |
| |
| if (!UNIT_WRITE_FLAGS_NOOP(flags)) { |
| c->log_extra_fields[c->n_log_extra_fields++] = IOVEC_MAKE(copy, sz); |
| unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS|UNIT_ESCAPE_C, name, "LogExtraFields=%s", (char*) copy); |
| |
| copy = NULL; |
| } |
| |
| n++; |
| } |
| |
| r = sd_bus_message_exit_container(message); |
| if (r < 0) |
| return r; |
| |
| if (!UNIT_WRITE_FLAGS_NOOP(flags) && n == 0) { |
| exec_context_free_log_extra_fields(c); |
| unit_write_setting(u, flags, name, "LogExtraFields="); |
| } |
| |
| return 1; |
| } |
| |
| #if HAVE_SECCOMP |
| |
| if (streq(name, "SystemCallErrorNumber")) |
| return bus_set_transient_errno(u, name, &c->syscall_errno, message, flags, error); |
| |
| if (streq(name, "SystemCallFilter")) { |
| int whitelist; |
| _cleanup_strv_free_ char **l = NULL; |
| |
| r = sd_bus_message_enter_container(message, 'r', "bas"); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_read(message, "b", &whitelist); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_read_strv(message, &l); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_exit_container(message); |
| if (r < 0) |
| return r; |
| |
| if (!UNIT_WRITE_FLAGS_NOOP(flags)) { |
| _cleanup_free_ char *joined = NULL; |
| bool invert = !whitelist; |
| char **s; |
| |
| if (strv_isempty(l)) { |
| c->syscall_whitelist = false; |
| c->syscall_filter = hashmap_free(c->syscall_filter); |
| |
| unit_write_settingf(u, flags, name, "SystemCallFilter="); |
| return 1; |
| } |
| |
| if (!c->syscall_filter) { |
| c->syscall_filter = hashmap_new(NULL); |
| if (!c->syscall_filter) |
| return log_oom(); |
| |
| c->syscall_whitelist = whitelist; |
| |
| if (c->syscall_whitelist) { |
| r = seccomp_parse_syscall_filter("@default", -1, c->syscall_filter, SECCOMP_PARSE_WHITELIST | (invert ? SECCOMP_PARSE_INVERT : 0)); |
| if (r < 0) |
| return r; |
| } |
| } |
| |
| STRV_FOREACH(s, l) { |
| _cleanup_free_ char *n = NULL; |
| int e; |
| |
| r = parse_syscall_and_errno(*s, &n, &e); |
| if (r < 0) |
| return r; |
| |
| r = seccomp_parse_syscall_filter(n, e, c->syscall_filter, (invert ? SECCOMP_PARSE_INVERT : 0) | (c->syscall_whitelist ? SECCOMP_PARSE_WHITELIST : 0)); |
| if (r < 0) |
| return r; |
| } |
| |
| joined = strv_join(l, " "); |
| if (!joined) |
| return -ENOMEM; |
| |
| unit_write_settingf(u, flags, name, "SystemCallFilter=%s%s", whitelist ? "" : "~", joined); |
| } |
| |
| return 1; |
| |
| } else if (streq(name, "SystemCallArchitectures")) { |
| _cleanup_strv_free_ char **l = NULL; |
| |
| r = sd_bus_message_read_strv(message, &l); |
| if (r < 0) |
| return r; |
| |
| if (!UNIT_WRITE_FLAGS_NOOP(flags)) { |
| _cleanup_free_ char *joined = NULL; |
| |
| if (strv_isempty(l)) |
| c->syscall_archs = set_free(c->syscall_archs); |
| else { |
| char **s; |
| |
| r = set_ensure_allocated(&c->syscall_archs, NULL); |
| if (r < 0) |
| return r; |
| |
| STRV_FOREACH(s, l) { |
| uint32_t a; |
| |
| r = seccomp_arch_from_string(*s, &a); |
| if (r < 0) |
| return r; |
| |
| r = set_put(c->syscall_archs, UINT32_TO_PTR(a + 1)); |
| if (r < 0) |
| return r; |
| } |
| |
| } |
| |
| joined = strv_join(l, " "); |
| if (!joined) |
| return -ENOMEM; |
| |
| unit_write_settingf(u, flags, name, "%s=%s", name, joined); |
| } |
| |
| return 1; |
| |
| } else if (streq(name, "RestrictAddressFamilies")) { |
| int whitelist; |
| _cleanup_strv_free_ char **l = NULL; |
| |
| r = sd_bus_message_enter_container(message, 'r', "bas"); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_read(message, "b", &whitelist); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_read_strv(message, &l); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_exit_container(message); |
| if (r < 0) |
| return r; |
| |
| if (!UNIT_WRITE_FLAGS_NOOP(flags)) { |
| _cleanup_free_ char *joined = NULL; |
| bool invert = !whitelist; |
| char **s; |
| |
| if (strv_isempty(l)) { |
| c->address_families_whitelist = false; |
| c->address_families = set_free(c->address_families); |
| |
| unit_write_settingf(u, flags, name, "RestrictAddressFamilies="); |
| return 1; |
| } |
| |
| if (!c->address_families) { |
| c->address_families = set_new(NULL); |
| if (!c->address_families) |
| return log_oom(); |
| |
| c->address_families_whitelist = whitelist; |
| } |
| |
| STRV_FOREACH(s, l) { |
| int af; |
| |
| af = af_from_name(*s); |
| if (af <= 0) |
| return -EINVAL; |
| |
| if (!invert == c->address_families_whitelist) { |
| r = set_put(c->address_families, INT_TO_PTR(af)); |
| if (r < 0) |
| return r; |
| } else |
| (void) set_remove(c->address_families, INT_TO_PTR(af)); |
| } |
| |
| joined = strv_join(l, " "); |
| if (!joined) |
| return -ENOMEM; |
| |
| unit_write_settingf(u, flags, name, "RestrictAddressFamilies=%s%s", whitelist ? "" : "~", joined); |
| } |
| |
| return 1; |
| } |
| #endif |
| if (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, "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, "IOSchedulingClass")) { |
| int32_t q; |
| |
| r = sd_bus_message_read(message, "i", &q); |
| if (r < 0) |
| return r; |
| |
| if (!ioprio_class_is_valid(q)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid IO scheduling class: %i", q); |
| |
| if (!UNIT_WRITE_FLAGS_NOOP(flags)) { |
| _cleanup_free_ char *s = NULL; |
| |
| r = ioprio_class_to_string_alloc(q, &s); |
| if (r < 0) |
| return r; |
| |
| c->ioprio = IOPRIO_PRIO_VALUE(q, IOPRIO_PRIO_DATA(c->ioprio)); |
| c->ioprio_set = true; |
| |
| unit_write_settingf(u, flags, name, "IOSchedulingClass=%s", s); |
| } |
| |
| return 1; |
| |
| } else if (streq(name, "IOSchedulingPriority")) { |
| int32_t p; |
| |
| r = sd_bus_message_read(message, "i", &p); |
| if (r < 0) |
| return r; |
| |
| if (!ioprio_priority_is_valid(p)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid IO scheduling priority: %i", p); |
| |
| if (!UNIT_WRITE_FLAGS_NOOP(flags)) { |
| c->ioprio = IOPRIO_PRIO_VALUE(IOPRIO_PRIO_CLASS(c->ioprio), p); |
| c->ioprio_set = true; |
| |
| unit_write_settingf(u, flags, name, "IOSchedulingPriority=%i", p); |
| } |
| |
| return 1; |
| |
| } else if (streq(name, "WorkingDirectory")) { |
| const char *s; |
| bool missing_ok; |
| |
| r = sd_bus_message_read(message, "s", &s); |
| if (r < 0) |
| return r; |
| |
| if (s[0] == '-') { |
| missing_ok = true; |
| s++; |
| } else |
| missing_ok = false; |
| |
| if (!isempty(s) && !streq(s, "~") && !path_is_absolute(s)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "WorkingDirectory= expects an absolute path or '~'"); |
| |
| if (!UNIT_WRITE_FLAGS_NOOP(flags)) { |
| if (streq(s, "~")) { |
| c->working_directory = mfree(c->working_directory); |
| c->working_directory_home = true; |
| } else { |
| r = free_and_strdup(&c->working_directory, empty_to_null(s)); |
| if (r < 0) |
| return r; |
| |
| c->working_directory_home = false; |
| } |
| |
| c->working_directory_missing_ok = missing_ok; |
| unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS, name, "WorkingDirectory=%s%s", missing_ok ? "-" : "", s); |
| } |
| |
| return 1; |
| |
| } else if (STR_IN_SET(name, |
| "StandardInputFileDescriptorName", "StandardOutputFileDescriptorName", "StandardErrorFileDescriptorName")) { |
| const char *s; |
| |
| r = sd_bus_message_read(message, "s", &s); |
| if (r < 0) |
| return r; |
| |
| if (!isempty(s) && !fdname_is_valid(s)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid file descriptor name"); |
| |
| if (!UNIT_WRITE_FLAGS_NOOP(flags)) { |
| |
| if (streq(name, "StandardInputFileDescriptorName")) { |
| r = free_and_strdup(c->stdio_fdname + STDIN_FILENO, empty_to_null(s)); |
| if (r < 0) |
| return r; |
| |
| c->std_input = EXEC_INPUT_NAMED_FD; |
| unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS, name, "StandardInput=fd:%s", exec_context_fdname(c, STDIN_FILENO)); |
| |
| } else if (streq(name, "StandardOutputFileDescriptorName")) { |
| r = free_and_strdup(c->stdio_fdname + STDOUT_FILENO, empty_to_null(s)); |
| if (r < 0) |
| return r; |
| |
| c->std_output = EXEC_OUTPUT_NAMED_FD; |
| unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS, name, "StandardOutput=fd:%s", exec_context_fdname(c, STDOUT_FILENO)); |
| |
| } else { |
| assert(streq(name, "StandardErrorFileDescriptorName")); |
| |
| r = free_and_strdup(&c->stdio_fdname[STDERR_FILENO], empty_to_null(s)); |
| if (r < 0) |
| return r; |
| |
| c->std_error = EXEC_OUTPUT_NAMED_FD; |
| unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS, name, "StandardError=fd:%s", exec_context_fdname(c, STDERR_FILENO)); |
| } |
| } |
| |
| return 1; |
| |
| } else if (STR_IN_SET(name, |
| "StandardInputFile", |
| "StandardOutputFile", "StandardOutputFileToCreate", "StandardOutputFileToAppend", |
| "StandardErrorFile", "StandardErrorFileToCreate", "StandardErrorFileToAppend")) { |
| const char *s; |
| |
| r = sd_bus_message_read(message, "s", &s); |
| if (r < 0) |
| return r; |
| |
| if (!isempty(s)) { |
| if (!path_is_absolute(s)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Path %s is not absolute", s); |
| if (!path_is_normalized(s)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Path %s is not normalized", s); |
| } |
| |
| if (!UNIT_WRITE_FLAGS_NOOP(flags)) { |
| |
| if (streq(name, "StandardInputFile")) { |
| r = free_and_strdup(&c->stdio_file[STDIN_FILENO], empty_to_null(s)); |
| if (r < 0) |
| return r; |
| |
| c->std_input = EXEC_INPUT_FILE; |
| unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS, name, "StandardInput=file:%s", s); |
| |
| } else if (STR_IN_SET(name, "StandardOutputFile", "StandardOutputFileToAppend")) { |
| r = free_and_strdup(&c->stdio_file[STDOUT_FILENO], empty_to_null(s)); |
| if (r < 0) |
| return r; |
| |
| if (streq(name, "StandardOutputFile")) { |
| c->std_output = EXEC_OUTPUT_FILE; |
| unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS, name, "StandardOutput=file:%s", s); |
| } else { |
| assert(streq(name, "StandardOutputFileToAppend")); |
| c->std_output = EXEC_OUTPUT_FILE_APPEND; |
| unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS, name, "StandardOutput=append:%s", s); |
| } |
| } else { |
| assert(STR_IN_SET(name, "StandardErrorFile", "StandardErrorFileToAppend")); |
| |
| r = free_and_strdup(&c->stdio_file[STDERR_FILENO], empty_to_null(s)); |
| if (r < 0) |
| return r; |
| |
| if (streq(name, "StandardErrorFile")) { |
| c->std_error = EXEC_OUTPUT_FILE; |
| unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS, name, "StandardOutput=file:%s", s); |
| } else { |
| assert(streq(name, "StandardErrorFileToAppend")); |
| c->std_error = EXEC_OUTPUT_FILE_APPEND; |
| unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS, name, "StandardOutput=append:%s", s); |
| } |
| } |
| } |
| |
| return 1; |
| |
| } else if (streq(name, "StandardInputData")) { |
| const void *p; |
| size_t sz; |
| |
| r = sd_bus_message_read_array(message, 'y', &p, &sz); |
| if (r < 0) |
| return r; |
| |
| if (!UNIT_WRITE_FLAGS_NOOP(flags)) { |
| _cleanup_free_ char *encoded = NULL; |
| |
| if (sz == 0) { |
| c->stdin_data = mfree(c->stdin_data); |
| c->stdin_data_size = 0; |
| |
| unit_write_settingf(u, flags, name, "StandardInputData="); |
| } else { |
| void *q; |
| ssize_t n; |
| |
| if (c->stdin_data_size + sz < c->stdin_data_size || /* check for overflow */ |
| c->stdin_data_size + sz > EXEC_STDIN_DATA_MAX) |
| return -E2BIG; |
| |
| n = base64mem(p, sz, &encoded); |
| if (n < 0) |
| return (int) n; |
| |
| q = realloc(c->stdin_data, c->stdin_data_size + sz); |
| if (!q) |
| return -ENOMEM; |
| |
| memcpy((uint8_t*) q + c->stdin_data_size, p, sz); |
| |
| c->stdin_data = q; |
| c->stdin_data_size += sz; |
| |
| unit_write_settingf(u, flags, name, "StandardInputData=%s", encoded); |
| } |
| } |
| |
| return 1; |
| |
| } else if (streq(name, "Environment")) { |
| |
| _cleanup_strv_free_ char **l = NULL; |
| |
| r = sd_bus_message_read_strv(message, &l); |
| if (r < 0) |
| return r; |
| |
| if (!strv_env_is_valid(l)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid environment block."); |
| |
| if (!UNIT_WRITE_FLAGS_NOOP(flags)) { |
| if (strv_isempty(l)) { |
| c->environment = strv_free(c->environment); |
| unit_write_setting(u, flags, name, "Environment="); |
| } else { |
| _cleanup_free_ char *joined = NULL; |
| char **e; |
| |
| joined = unit_concat_strv(l, UNIT_ESCAPE_SPECIFIERS|UNIT_ESCAPE_C); |
| if (!joined) |
| return -ENOMEM; |
| |
| e = strv_env_merge(2, c->environment, l); |
| if (!e) |
| return -ENOMEM; |
| |
| strv_free_and_replace(c->environment, e); |
| unit_write_settingf(u, flags, name, "Environment=%s", joined); |
| } |
| } |
| |
| return 1; |
| |
| } else if (streq(name, "UnsetEnvironment")) { |
| |
| _cleanup_strv_free_ char **l = NULL; |
| |
| r = sd_bus_message_read_strv(message, &l); |
| if (r < 0) |
| return r; |
| |
| if (!strv_env_name_or_assignment_is_valid(l)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid UnsetEnvironment= list."); |
| |
| if (!UNIT_WRITE_FLAGS_NOOP(flags)) { |
| if (strv_isempty(l)) { |
| c->unset_environment = strv_free(c->unset_environment); |
| unit_write_setting(u, flags, name, "UnsetEnvironment="); |
| } else { |
| _cleanup_free_ char *joined = NULL; |
| char **e; |
| |
| joined = unit_concat_strv(l, UNIT_ESCAPE_SPECIFIERS|UNIT_ESCAPE_C); |
| if (!joined) |
| return -ENOMEM; |
| |
| e = strv_env_merge(2, c->unset_environment, l); |
| if (!e) |
| return -ENOMEM; |
| |
| strv_free_and_replace(c->unset_environment, e); |
| unit_write_settingf(u, flags, name, "UnsetEnvironment=%s", joined); |
| } |
| } |
| |
| return 1; |
| |
| } else if (streq(name, "OOMScoreAdjust")) { |
| int oa; |
| |
| r = sd_bus_message_read(message, "i", &oa); |
| if (r < 0) |
| return r; |
| |
| if (!oom_score_adjust_is_valid(oa)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "OOM score adjust value out of range"); |
| |
| if (!UNIT_WRITE_FLAGS_NOOP(flags)) { |
| c->oom_score_adjust = oa; |
| c->oom_score_adjust_set = true; |
| unit_write_settingf(u, flags, name, "OOMScoreAdjust=%i", oa); |
| } |
| |
| return 1; |
| |
| } else if (streq(name, "EnvironmentFiles")) { |
| |
| _cleanup_free_ char *joined = NULL; |
| _cleanup_fclose_ FILE *f = NULL; |
| _cleanup_strv_free_ char **l = NULL; |
| size_t size = 0; |
| char **i; |
| |
| r = sd_bus_message_enter_container(message, 'a', "(sb)"); |
| if (r < 0) |
| return r; |
| |
| f = open_memstream(&joined, &size); |
| if (!f) |
| return -ENOMEM; |
| |
| (void) __fsetlocking(f, FSETLOCKING_BYCALLER); |
| |
| fputs("EnvironmentFile=\n", f); |
| |
| STRV_FOREACH(i, c->environment_files) { |
| _cleanup_free_ char *q = NULL; |
| |
| q = specifier_escape(*i); |
| if (!q) |
| return -ENOMEM; |
| |
| fprintf(f, "EnvironmentFile=%s\n", q); |
| } |
| |
| while ((r = sd_bus_message_enter_container(message, 'r', "sb")) > 0) { |
| const char *path; |
| int b; |
| |
| r = sd_bus_message_read(message, "sb", &path, &b); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_exit_container(message); |
| if (r < 0) |
| return r; |
| |
| if (!path_is_absolute(path)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Path %s is not absolute.", path); |
| |
| if (!UNIT_WRITE_FLAGS_NOOP(flags)) { |
| _cleanup_free_ char *q = NULL; |
| char *buf; |
| |
| buf = strjoin(b ? "-" : "", path); |
| if (!buf) |
| return -ENOMEM; |
| |
| q = specifier_escape(buf); |
| if (!q) { |
| free(buf); |
| return -ENOMEM; |
| } |
| |
| fprintf(f, "EnvironmentFile=%s\n", q); |
| |
| r = strv_consume(&l, buf); |
| if (r < 0) |
| return r; |
| } |
| } |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_exit_container(message); |
| if (r < 0) |
| return r; |
| |
| r = fflush_and_check(f); |
| if (r < 0) |
| return r; |
| |
| if (!UNIT_WRITE_FLAGS_NOOP(flags)) { |
| if (strv_isempty(l)) { |
| c->environment_files = strv_free(c->environment_files); |
| unit_write_setting(u, flags, name, "EnvironmentFile="); |
| } else { |
| r = strv_extend_strv(&c->environment_files, l, true); |
| if (r < 0) |
| return r; |
| |
| unit_write_setting(u, flags, name, joined); |
| } |
| } |
| |
| return 1; |
| |
| } else if (streq(name, "PassEnvironment")) { |
| |
| _cleanup_strv_free_ char **l = NULL; |
| |
| r = sd_bus_message_read_strv(message, &l); |
| if (r < 0) |
| return r; |
| |
| if (!strv_env_name_is_valid(l)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid PassEnvironment= block."); |
| |
| if (!UNIT_WRITE_FLAGS_NOOP(flags)) { |
| if (strv_isempty(l)) { |
| c->pass_environment = strv_free(c->pass_environment); |
| unit_write_setting(u, flags, name, "PassEnvironment="); |
| } else { |
| _cleanup_free_ char *joined = NULL; |
| |
| r = strv_extend_strv(&c->pass_environment, l, true); |
| if (r < 0) |
| return r; |
| |
| /* We write just the new settings out to file, with unresolved specifiers. */ |
| joined = unit_concat_strv(l, UNIT_ESCAPE_SPECIFIERS); |
| if (!joined) |
| return -ENOMEM; |
| |
| unit_write_settingf(u, flags, name, "PassEnvironment=%s", joined); |
| } |
| } |
| |
| return 1; |
| |
| } else if (STR_IN_SET(name, "ReadWriteDirectories", "ReadOnlyDirectories", "InaccessibleDirectories", |
| "ReadWritePaths", "ReadOnlyPaths", "InaccessiblePaths")) { |
| _cleanup_strv_free_ char **l = NULL; |
| char ***dirs; |
| char **p; |
| |
| r = sd_bus_message_read_strv(message, &l); |
| if (r < 0) |
| return r; |
| |
| STRV_FOREACH(p, l) { |
| char *i = *p; |
| size_t offset; |
| |
| offset = i[0] == '-'; |
| offset += i[offset] == '+'; |
| if (!path_is_absolute(i + offset)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid %s", name); |
| |
| path_simplify(i + offset, false); |
| } |
| |
| if (!UNIT_WRITE_FLAGS_NOOP(flags)) { |
| if (STR_IN_SET(name, "ReadWriteDirectories", "ReadWritePaths")) |
| dirs = &c->read_write_paths; |
| else if (STR_IN_SET(name, "ReadOnlyDirectories", "ReadOnlyPaths")) |
| dirs = &c->read_only_paths; |
| else /* "InaccessiblePaths" */ |
| dirs = &c->inaccessible_paths; |
| |
| if (strv_isempty(l)) { |
| *dirs = strv_free(*dirs); |
| unit_write_settingf(u, flags, name, "%s=", name); |
| } else { |
| _cleanup_free_ char *joined = NULL; |
| |
| joined = unit_concat_strv(l, UNIT_ESCAPE_SPECIFIERS); |
| if (!joined) |
| return -ENOMEM; |
| |
| r = strv_extend_strv(dirs, l, true); |
| if (r < 0) |
| return -ENOMEM; |
| |
| unit_write_settingf(u, flags, name, "%s=%s", name, joined); |
| } |
| } |
| |
| return 1; |
| |
| } else if (STR_IN_SET(name, "RuntimeDirectory", "StateDirectory", "CacheDirectory", "LogsDirectory", "ConfigurationDirectory")) { |
| _cleanup_strv_free_ char **l = NULL; |
| char **p; |
| |
| r = sd_bus_message_read_strv(message, &l); |
| if (r < 0) |
| return r; |
| |
| STRV_FOREACH(p, l) { |
| if (!path_is_normalized(*p)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "%s= path is not normalized: %s", name, *p); |
| |
| if (path_is_absolute(*p)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "%s= path is absolute: %s", name, *p); |
| |
| if (path_startswith(*p, "private")) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "%s= path can't be 'private': %s", name, *p); |
| } |
| |
| if (!UNIT_WRITE_FLAGS_NOOP(flags)) { |
| char ***dirs = NULL; |
| ExecDirectoryType i; |
| |
| for (i = 0; i < _EXEC_DIRECTORY_TYPE_MAX; i++) |
| if (streq(name, exec_directory_type_to_string(i))) { |
| dirs = &c->directories[i].paths; |
| break; |
| } |
| |
| assert(dirs); |
| |
| if (strv_isempty(l)) { |
| *dirs = strv_free(*dirs); |
| unit_write_settingf(u, flags, name, "%s=", name); |
| } else { |
| _cleanup_free_ char *joined = NULL; |
| |
| r = strv_extend_strv(dirs, l, true); |
| if (r < 0) |
| return -ENOMEM; |
| |
| joined = unit_concat_strv(l, UNIT_ESCAPE_SPECIFIERS); |
| if (!joined) |
| return -ENOMEM; |
| |
| unit_write_settingf(u, flags, name, "%s=%s", name, joined); |
| } |
| } |
| |
| return 1; |
| |
| } else if (STR_IN_SET(name, "AppArmorProfile", "SmackProcessLabel")) { |
| int ignore; |
| const char *s; |
| |
| r = sd_bus_message_read(message, "(bs)", &ignore, &s); |
| if (r < 0) |
| return r; |
| |
| if (!UNIT_WRITE_FLAGS_NOOP(flags)) { |
| char **p; |
| bool *b; |
| |
| if (streq(name, "AppArmorProfile")) { |
| p = &c->apparmor_profile; |
| b = &c->apparmor_profile_ignore; |
| } else { /* "SmackProcessLabel" */ |
| p = &c->smack_process_label; |
| b = &c->smack_process_label_ignore; |
| } |
| |
| if (isempty(s)) { |
| *p = mfree(*p); |
| *b = false; |
| } else { |
| if (free_and_strdup(p, s) < 0) |
| return -ENOMEM; |
| *b = ignore; |
| } |
| |
| unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS, name, "%s=%s%s", name, ignore ? "-" : "", strempty(s)); |
| } |
| |
| return 1; |
| |
| } else if (STR_IN_SET(name, "BindPaths", "BindReadOnlyPaths")) { |
| const char *source, *destination; |
| int ignore_enoent; |
| uint64_t mount_flags; |
| bool empty = true; |
| |
| r = sd_bus_message_enter_container(message, 'a', "(ssbt)"); |
| if (r < 0) |
| return r; |
| |
| while ((r = sd_bus_message_read(message, "(ssbt)", &source, &destination, &ignore_enoent, &mount_flags)) > 0) { |
| |
| if (!path_is_absolute(source)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Source path %s is not absolute.", source); |
| if (!path_is_absolute(destination)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Destination path %s is not absolute.", destination); |
| if (!IN_SET(mount_flags, 0, MS_REC)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown mount flags."); |
| |
| if (!UNIT_WRITE_FLAGS_NOOP(flags)) { |
| r = bind_mount_add(&c->bind_mounts, &c->n_bind_mounts, |
| &(BindMount) { |
| .source = strdup(source), |
| .destination = strdup(destination), |
| .read_only = !!strstr(name, "ReadOnly"), |
| .recursive = !!(mount_flags & MS_REC), |
| .ignore_enoent = ignore_enoent, |
| }); |
| if (r < 0) |
| return r; |
| |
| unit_write_settingf( |
| u, flags|UNIT_ESCAPE_SPECIFIERS, name, |
| "%s=%s%s:%s:%s", |
| name, |
| ignore_enoent ? "-" : "", |
| source, |
| destination, |
| (mount_flags & MS_REC) ? "rbind" : "norbind"); |
| } |
| |
| empty = false; |
| } |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_exit_container(message); |
| if (r < 0) |
| return r; |
| |
| if (empty) { |
| bind_mount_free_many(c->bind_mounts, c->n_bind_mounts); |
| c->bind_mounts = NULL; |
| c->n_bind_mounts = 0; |
| |
| unit_write_settingf(u, flags, name, "%s=", name); |
| } |
| |
| return 1; |
| |
| } else if (streq(name, "TemporaryFileSystem")) { |
| const char *path, *options; |
| bool empty = true; |
| |
| r = sd_bus_message_enter_container(message, 'a', "(ss)"); |
| if (r < 0) |
| return r; |
| |
| while ((r = sd_bus_message_read(message, "(ss)", &path, &options)) > 0) { |
| |
| if (!path_is_absolute(path)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Mount point %s is not absolute.", path); |
| |
| if (!UNIT_WRITE_FLAGS_NOOP(flags)) { |
| r = temporary_filesystem_add(&c->temporary_filesystems, &c->n_temporary_filesystems, path, options); |
| if (r < 0) |
| return r; |
| |
| unit_write_settingf( |
| u, flags|UNIT_ESCAPE_SPECIFIERS, name, |
| "%s=%s:%s", |
| name, |
| path, |
| options); |
| } |
| |
| empty = false; |
| } |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_exit_container(message); |
| if (r < 0) |
| return r; |
| |
| if (empty) { |
| temporary_filesystem_free_many(c->temporary_filesystems, c->n_temporary_filesystems); |
| c->temporary_filesystems = NULL; |
| c->n_temporary_filesystems = 0; |
| |
| unit_write_settingf(u, flags, name, "%s=", name); |
| } |
| |
| return 1; |
| |
| } else if ((suffix = startswith(name, "Limit"))) { |
| const char *soft = NULL; |
| int ri; |
| |
| ri = rlimit_from_string(suffix); |
| if (ri < 0) { |
| soft = endswith(suffix, "Soft"); |
| if (soft) { |
| const char *n; |
| |
| n = strndupa(suffix, soft - suffix); |
| ri = rlimit_from_string(n); |
| if (ri >= 0) |
| name = strjoina("Limit", n); |
| } |
| } |
| |
| if (ri >= 0) { |
| uint64_t rl; |
| rlim_t x; |
| |
| r = sd_bus_message_read(message, "t", &rl); |
| if (r < 0) |
| return r; |
| |
| if (rl == (uint64_t) -1) |
| x = RLIM_INFINITY; |
| else { |
| x = (rlim_t) rl; |
| |
| if ((uint64_t) x != rl) |
| return -ERANGE; |
| } |
| |
| if (!UNIT_WRITE_FLAGS_NOOP(flags)) { |
| _cleanup_free_ char *f = NULL; |
| struct rlimit nl; |
| |
| if (c->rlimit[ri]) { |
| nl = *c->rlimit[ri]; |
| |
| if (soft) |
| nl.rlim_cur = x; |
| else |
| nl.rlim_max = x; |
| } else |
| /* When the resource limit is not initialized yet, then assign the value to both fields */ |
| nl = (struct rlimit) { |
| .rlim_cur = x, |
| .rlim_max = x, |
| }; |
| |
| r = rlimit_format(&nl, &f); |
| if (r < 0) |
| return r; |
| |
| if (c->rlimit[ri]) |
| *c->rlimit[ri] = nl; |
| else { |
| c->rlimit[ri] = newdup(struct rlimit, &nl, 1); |
| if (!c->rlimit[ri]) |
| return -ENOMEM; |
| } |
| |
| unit_write_settingf(u, flags, name, "%s=%s", name, f); |
| } |
| |
| return 1; |
| } |
| |
| } |
| |
| return 0; |
| } |