| /*** |
| This file is part of systemd. |
| |
| Copyright 2010 Lennart Poettering |
| |
| systemd is free software; you can redistribute it and/or modify it |
| under the terms of the GNU Lesser General Public License as published by |
| the Free Software Foundation; either version 2.1 of the License, or |
| (at your option) any later version. |
| |
| systemd is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public License |
| along with systemd; If not, see <http://www.gnu.org/licenses/>. |
| ***/ |
| |
| #include <sys/prctl.h> |
| |
| #ifdef HAVE_SECCOMP |
| #include <seccomp.h> |
| #endif |
| |
| #include "af-list.h" |
| #include "alloc-util.h" |
| #include "bus-util.h" |
| #include "capability-util.h" |
| #include "dbus-execute.h" |
| #include "env-util.h" |
| #include "execute.h" |
| #include "fd-util.h" |
| #include "fileio.h" |
| #include "ioprio.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" |
| #ifdef HAVE_SECCOMP |
| #include "seccomp-util.h" |
| #endif |
| #include "strv.h" |
| #include "syslog-util.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(bus_property_get_protect_home, protect_home, ProtectHome); |
| static BUS_DEFINE_PROPERTY_GET_ENUM(bus_property_get_protect_system, protect_system, ProtectSystem); |
| |
| static int property_get_environment_files( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| ExecContext *c = userdata; |
| char **j; |
| int r; |
| |
| assert(bus); |
| assert(reply); |
| assert(c); |
| |
| r = sd_bus_message_open_container(reply, 'a', "(sb)"); |
| if (r < 0) |
| return r; |
| |
| STRV_FOREACH(j, c->environment_files) { |
| const char *fn = *j; |
| |
| r = sd_bus_message_append(reply, "(sb)", fn[0] == '-' ? fn + 1 : fn, fn[0] == '-'); |
| if (r < 0) |
| return r; |
| } |
| |
| return sd_bus_message_close_container(reply); |
| } |
| |
| static int property_get_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_ioprio( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| |
| ExecContext *c = userdata; |
| int32_t n; |
| |
| assert(bus); |
| assert(reply); |
| assert(c); |
| |
| if (c->ioprio_set) |
| n = c->ioprio; |
| else { |
| n = ioprio_get(IOPRIO_WHO_PROCESS, 0); |
| if (n < 0) |
| n = IOPRIO_PRIO_VALUE(IOPRIO_CLASS_BE, 4); |
| } |
| |
| return sd_bus_message_append(reply, "i", n); |
| } |
| |
| static int property_get_cpu_sched_policy( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| ExecContext *c = userdata; |
| int32_t n; |
| |
| assert(bus); |
| assert(reply); |
| assert(c); |
| |
| if (c->cpu_sched_set) |
| n = c->cpu_sched_policy; |
| else { |
| n = sched_getscheduler(0); |
| if (n < 0) |
| n = SCHED_OTHER; |
| } |
| |
| return sd_bus_message_append(reply, "i", n); |
| } |
| |
| static int property_get_cpu_sched_priority( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| ExecContext *c = userdata; |
| int32_t n; |
| |
| assert(bus); |
| assert(reply); |
| assert(c); |
| |
| if (c->cpu_sched_set) |
| n = c->cpu_sched_priority; |
| else { |
| struct sched_param p = {}; |
| |
| if (sched_getparam(0, &p) >= 0) |
| n = p.sched_priority; |
| else |
| n = 0; |
| } |
| |
| return sd_bus_message_append(reply, "i", n); |
| } |
| |
| static int property_get_cpu_affinity( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| ExecContext *c = userdata; |
| |
| assert(bus); |
| assert(reply); |
| assert(c); |
| |
| if (c->cpuset) |
| return sd_bus_message_append_array(reply, 'y', c->cpuset, CPU_ALLOC_SIZE(c->cpuset_ncpus)); |
| else |
| return sd_bus_message_append_array(reply, 'y', NULL, 0); |
| } |
| |
| static int property_get_timer_slack_nsec( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| ExecContext *c = userdata; |
| uint64_t u; |
| |
| assert(bus); |
| assert(reply); |
| assert(c); |
| |
| if (c->timer_slack_nsec != NSEC_INFINITY) |
| u = (uint64_t) c->timer_slack_nsec; |
| else |
| u = (uint64_t) prctl(PR_GET_TIMERSLACK); |
| |
| return sd_bus_message_append(reply, "t", u); |
| } |
| |
| static int property_get_capability_bounding_set( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| ExecContext *c = userdata; |
| |
| assert(bus); |
| assert(reply); |
| assert(c); |
| |
| return sd_bus_message_append(reply, "t", c->capability_bounding_set); |
| } |
| |
| static int property_get_ambient_capabilities( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| ExecContext *c = userdata; |
| |
| assert(bus); |
| assert(reply); |
| assert(c); |
| |
| return sd_bus_message_append(reply, "t", c->capability_ambient_set); |
| } |
| |
| static int property_get_empty_string( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| assert(bus); |
| assert(reply); |
| |
| return sd_bus_message_append(reply, "s", ""); |
| } |
| |
| static int property_get_syscall_filter( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| ExecContext *c = userdata; |
| _cleanup_strv_free_ char **l = NULL; |
| int r; |
| |
| #ifdef HAVE_SECCOMP |
| Iterator i; |
| void *id; |
| #endif |
| |
| assert(bus); |
| assert(reply); |
| assert(c); |
| |
| r = sd_bus_message_open_container(reply, 'r', "bas"); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_append(reply, "b", c->syscall_whitelist); |
| if (r < 0) |
| return r; |
| |
| #ifdef HAVE_SECCOMP |
| SET_FOREACH(id, c->syscall_filter, i) { |
| char *name; |
| |
| name = seccomp_syscall_resolve_num_arch(SCMP_ARCH_NATIVE, PTR_TO_INT(id) - 1); |
| if (!name) |
| continue; |
| |
| r = strv_consume(&l, name); |
| if (r < 0) |
| return r; |
| } |
| #endif |
| |
| strv_sort(l); |
| |
| r = sd_bus_message_append_strv(reply, l); |
| if (r < 0) |
| return r; |
| |
| return sd_bus_message_close_container(reply); |
| } |
| |
| static int property_get_syscall_archs( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| ExecContext *c = userdata; |
| _cleanup_strv_free_ char **l = NULL; |
| int r; |
| |
| #ifdef HAVE_SECCOMP |
| Iterator i; |
| void *id; |
| #endif |
| |
| assert(bus); |
| assert(reply); |
| assert(c); |
| |
| #ifdef HAVE_SECCOMP |
| SET_FOREACH(id, c->syscall_archs, i) { |
| const char *name; |
| |
| name = seccomp_arch_to_string(PTR_TO_UINT32(id) - 1); |
| if (!name) |
| continue; |
| |
| r = strv_extend(&l, name); |
| if (r < 0) |
| return -ENOMEM; |
| } |
| #endif |
| |
| strv_sort(l); |
| |
| r = sd_bus_message_append_strv(reply, l); |
| if (r < 0) |
| return r; |
| |
| return 0; |
| } |
| |
| static int property_get_syscall_errno( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| ExecContext *c = userdata; |
| |
| assert(bus); |
| assert(reply); |
| assert(c); |
| |
| return sd_bus_message_append(reply, "i", (int32_t) c->syscall_errno); |
| } |
| |
| static int property_get_selinux_context( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| ExecContext *c = userdata; |
| |
| assert(bus); |
| assert(reply); |
| assert(c); |
| |
| return sd_bus_message_append(reply, "(bs)", c->selinux_context_ignore, c->selinux_context); |
| } |
| |
| static int property_get_apparmor_profile( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| ExecContext *c = userdata; |
| |
| assert(bus); |
| assert(reply); |
| assert(c); |
| |
| return sd_bus_message_append(reply, "(bs)", c->apparmor_profile_ignore, c->apparmor_profile); |
| } |
| |
| static int property_get_smack_process_label( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| ExecContext *c = userdata; |
| |
| assert(bus); |
| assert(reply); |
| assert(c); |
| |
| return sd_bus_message_append(reply, "(bs)", c->smack_process_label_ignore, c->smack_process_label); |
| } |
| |
| static int property_get_personality( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| ExecContext *c = userdata; |
| |
| assert(bus); |
| assert(reply); |
| assert(c); |
| |
| return sd_bus_message_append(reply, "s", personality_to_string(c->personality)); |
| } |
| |
| static int property_get_address_families( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| ExecContext *c = userdata; |
| _cleanup_strv_free_ char **l = NULL; |
| Iterator i; |
| void *af; |
| int r; |
| |
| assert(bus); |
| assert(reply); |
| assert(c); |
| |
| r = sd_bus_message_open_container(reply, 'r', "bas"); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_append(reply, "b", c->address_families_whitelist); |
| if (r < 0) |
| return r; |
| |
| SET_FOREACH(af, c->address_families, i) { |
| const char *name; |
| |
| name = af_to_name(PTR_TO_INT(af)); |
| if (!name) |
| continue; |
| |
| r = strv_extend(&l, name); |
| if (r < 0) |
| return -ENOMEM; |
| } |
| |
| strv_sort(l); |
| |
| r = sd_bus_message_append_strv(reply, l); |
| if (r < 0) |
| return r; |
| |
| return sd_bus_message_close_container(reply); |
| } |
| |
| 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_syslog_level( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| ExecContext *c = userdata; |
| |
| assert(bus); |
| assert(reply); |
| assert(c); |
| |
| return sd_bus_message_append(reply, "i", LOG_PRI(c->syslog_priority)); |
| } |
| |
| static int property_get_syslog_facility( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| ExecContext *c = userdata; |
| |
| assert(bus); |
| assert(reply); |
| assert(c); |
| |
| return sd_bus_message_append(reply, "i", LOG_FAC(c->syslog_priority)); |
| } |
| |
| static int property_get_input_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; |
| const char *name; |
| |
| assert(bus); |
| assert(c); |
| assert(property); |
| assert(reply); |
| |
| name = exec_context_fdname(c, STDIN_FILENO); |
| |
| return sd_bus_message_append(reply, "s", name); |
| } |
| |
| static int property_get_output_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; |
| const char *name = NULL; |
| |
| assert(bus); |
| assert(c); |
| assert(property); |
| assert(reply); |
| |
| if (c->std_output == EXEC_OUTPUT_NAMED_FD && streq(property, "StandardOutputFileDescriptorName")) |
| name = exec_context_fdname(c, STDOUT_FILENO); |
| else if (c->std_error == EXEC_OUTPUT_NAMED_FD && streq(property, "StandardErrorFileDescriptorName")) |
| name = exec_context_fdname(c, STDERR_FILENO); |
| |
| return sd_bus_message_append(reply, "s", name); |
| } |
| |
| 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 ? MS_REC : 0); |
| 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("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("IOScheduling", "i", property_get_ioprio, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("CPUSchedulingPolicy", "i", property_get_cpu_sched_policy, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("CPUSchedulingPriority", "i", property_get_cpu_sched_priority, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("CPUAffinity", "ay", property_get_cpu_affinity, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("TimerSlackNSec", "t", property_get_timer_slack_nsec, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("CPUSchedulingResetOnFork", "b", bus_property_get_bool, offsetof(ExecContext, cpu_sched_reset_on_fork), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("NonBlocking", "b", bus_property_get_bool, offsetof(ExecContext, non_blocking), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("StandardInput", "s", property_get_exec_input, offsetof(ExecContext, std_input), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("StandardInputFileDescriptorName", "s", property_get_input_fdname, 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_output_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_output_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, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("SyslogFacility", "i", property_get_syslog_facility, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("Capabilities", "s", property_get_empty_string, 0, SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_HIDDEN), |
| SD_BUS_PROPERTY("SecureBits", "i", bus_property_get_int, offsetof(ExecContext, secure_bits), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("CapabilityBoundingSet", "t", property_get_capability_bounding_set, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("AmbientCapabilities", "t", property_get_ambient_capabilities, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("User", "s", NULL, offsetof(ExecContext, user), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("Group", "s", NULL, offsetof(ExecContext, group), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("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("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("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("ProtectHome", "s", bus_property_get_protect_home, offsetof(ExecContext, protect_home), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("ProtectSystem", "s", bus_property_get_protect_system, offsetof(ExecContext, protect_system), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("SameProcessGroup", "b", bus_property_get_bool, offsetof(ExecContext, same_pgrp), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("UtmpIdentifier", "s", NULL, offsetof(ExecContext, utmp_id), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("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", property_get_syscall_errno, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("Personality", "s", property_get_personality, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("RestrictAddressFamilies", "(bas)", property_get_address_families, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("RuntimeDirectoryMode", "u", bus_property_get_mode, offsetof(ExecContext, runtime_directory_mode), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("RuntimeDirectory", "as", NULL, offsetof(ExecContext, runtime_directory), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("MemoryDenyWriteExecute", "b", bus_property_get_bool, offsetof(ExecContext, memory_deny_write_execute), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("RestrictRealtime", "b", bus_property_get_bool, offsetof(ExecContext, restrict_realtime), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("RestrictNamespaces", "t", bus_property_get_ulong, offsetof(ExecContext, restrict_namespaces), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("BindPaths", "a(ssbt)", property_get_bind_paths, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("BindReadOnlyPaths", "a(ssbt)", property_get_bind_paths, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("MountAPIVFS", "b", bus_property_get_bool, offsetof(ExecContext, mount_apivfs), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_VTABLE_END |
| }; |
| |
| static int append_exec_command(sd_bus_message *reply, ExecCommand *c) { |
| int r; |
| |
| assert(reply); |
| assert(c); |
| |
| if (!c->path) |
| return 0; |
| |
| r = sd_bus_message_open_container(reply, 'r', "sasbttttuii"); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_append(reply, "s", c->path); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_append_strv(reply, c->argv); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_append(reply, "bttttuii", |
| c->ignore, |
| c->exec_status.start_timestamp.realtime, |
| c->exec_status.start_timestamp.monotonic, |
| c->exec_status.exit_timestamp.realtime, |
| c->exec_status.exit_timestamp.monotonic, |
| (uint32_t) c->exec_status.pid, |
| (int32_t) c->exec_status.code, |
| (int32_t) c->exec_status.status); |
| if (r < 0) |
| return r; |
| |
| return sd_bus_message_close_container(reply); |
| } |
| |
| int bus_property_get_exec_command( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *ret_error) { |
| |
| ExecCommand *c = (ExecCommand*) userdata; |
| int r; |
| |
| assert(bus); |
| assert(reply); |
| |
| r = sd_bus_message_open_container(reply, 'a', "(sasbttttuii)"); |
| if (r < 0) |
| return r; |
| |
| r = append_exec_command(reply, c); |
| if (r < 0) |
| return r; |
| |
| return sd_bus_message_close_container(reply); |
| } |
| |
| int bus_property_get_exec_command_list( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *ret_error) { |
| |
| ExecCommand *c = *(ExecCommand**) userdata; |
| int r; |
| |
| assert(bus); |
| assert(reply); |
| |
| r = sd_bus_message_open_container(reply, 'a', "(sasbttttuii)"); |
| if (r < 0) |
| return r; |
| |
| LIST_FOREACH(command, c, c) { |
| r = append_exec_command(reply, c); |
| if (r < 0) |
| return r; |
| } |
| |
| return sd_bus_message_close_container(reply); |
| } |
| |
| int bus_exec_context_set_transient_property( |
| Unit *u, |
| ExecContext *c, |
| const char *name, |
| sd_bus_message *message, |
| UnitSetPropertiesMode mode, |
| sd_bus_error *error) { |
| |
| const char *soft = NULL; |
| int r, ri; |
| |
| assert(u); |
| assert(c); |
| assert(name); |
| assert(message); |
| |
| if (streq(name, "User")) { |
| const char *uu; |
| |
| r = sd_bus_message_read(message, "s", &uu); |
| if (r < 0) |
| return r; |
| |
| if (!isempty(uu) && !valid_user_group_name_or_id(uu)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid user name: %s", uu); |
| |
| if (mode != UNIT_CHECK) { |
| |
| if (isempty(uu)) |
| c->user = mfree(c->user); |
| else if (free_and_strdup(&c->user, uu) < 0) |
| return -ENOMEM; |
| |
| unit_write_drop_in_private_format(u, mode, name, "User=%s", uu); |
| } |
| |
| return 1; |
| |
| } else if (streq(name, "Group")) { |
| const char *gg; |
| |
| r = sd_bus_message_read(message, "s", &gg); |
| if (r < 0) |
| return r; |
| |
| if (!isempty(gg) && !valid_user_group_name_or_id(gg)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid group name: %s", gg); |
| |
| if (mode != UNIT_CHECK) { |
| |
| if (isempty(gg)) |
| c->group = mfree(c->group); |
| else if (free_and_strdup(&c->group, gg) < 0) |
| return -ENOMEM; |
| |
| unit_write_drop_in_private_format(u, mode, name, "Group=%s", gg); |
| } |
| |
| return 1; |
| } else if (streq(name, "SyslogIdentifier")) { |
| const char *id; |
| |
| r = sd_bus_message_read(message, "s", &id); |
| if (r < 0) |
| return r; |
| |
| if (mode != UNIT_CHECK) { |
| |
| if (isempty(id)) |
| c->syslog_identifier = mfree(c->syslog_identifier); |
| else if (free_and_strdup(&c->syslog_identifier, id) < 0) |
| return -ENOMEM; |
| |
| unit_write_drop_in_private_format(u, mode, name, "SyslogIdentifier=%s", id); |
| } |
| |
| return 1; |
| } else if (streq(name, "SyslogLevel")) { |
| int 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 (mode != UNIT_CHECK) { |
| c->syslog_priority = (c->syslog_priority & LOG_FACMASK) | level; |
| unit_write_drop_in_private_format(u, mode, name, "SyslogLevel=%i", level); |
| } |
| |
| return 1; |
| } else if (streq(name, "SyslogFacility")) { |
| int 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 (mode != UNIT_CHECK) { |
| c->syslog_priority = (facility << 3) | LOG_PRI(c->syslog_priority); |
| unit_write_drop_in_private_format(u, mode, name, "SyslogFacility=%i", facility); |
| } |
| |
| return 1; |
| } else if (streq(name, "Nice")) { |
| int n; |
| |
| r = sd_bus_message_read(message, "i", &n); |
| if (r < 0) |
| return r; |
| |
| if (!nice_is_valid(n)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Nice value out of range"); |
| |
| if (mode != UNIT_CHECK) { |
| c->nice = n; |
| unit_write_drop_in_private_format(u, mode, name, "Nice=%i", n); |
| } |
| |
| return 1; |
| |
| } else if (STR_IN_SET(name, "TTYPath", "RootDirectory", "RootImage")) { |
| const char *s; |
| |
| r = sd_bus_message_read(message, "s", &s); |
| if (r < 0) |
| return r; |
| |
| if (!path_is_absolute(s)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "%s takes an absolute path", name); |
| |
| if (mode != UNIT_CHECK) { |
| if (streq(name, "TTYPath")) |
| r = free_and_strdup(&c->tty_path, s); |
| else if (streq(name, "RootImage")) |
| r = free_and_strdup(&c->root_image, s); |
| else { |
| assert(streq(name, "RootDirectory")); |
| r = free_and_strdup(&c->root_directory, s); |
| } |
| if (r < 0) |
| return r; |
| |
| unit_write_drop_in_private_format(u, mode, name, "%s=%s", name, s); |
| } |
| |
| 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 (!streq(s, "~") && !path_is_absolute(s)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "WorkingDirectory= expects an absolute path or '~'"); |
| |
| if (mode != UNIT_CHECK) { |
| if (streq(s, "~")) { |
| c->working_directory = mfree(c->working_directory); |
| c->working_directory_home = true; |
| } else { |
| r = free_and_strdup(&c->working_directory, s); |
| if (r < 0) |
| return r; |
| |
| c->working_directory_home = false; |
| } |
| |
| c->working_directory_missing_ok = missing_ok; |
| unit_write_drop_in_private_format(u, mode, name, "WorkingDirectory=%s%s", missing_ok ? "-" : "", s); |
| } |
| |
| return 1; |
| |
| } else if (streq(name, "StandardInput")) { |
| const char *s; |
| ExecInput p; |
| |
| r = sd_bus_message_read(message, "s", &s); |
| if (r < 0) |
| return r; |
| |
| p = exec_input_from_string(s); |
| if (p < 0) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid standard input name"); |
| |
| if (mode != UNIT_CHECK) { |
| c->std_input = p; |
| |
| unit_write_drop_in_private_format(u, mode, name, "StandardInput=%s", exec_input_to_string(p)); |
| } |
| |
| return 1; |
| |
| } else if (streq(name, "StandardOutput")) { |
| const char *s; |
| ExecOutput p; |
| |
| r = sd_bus_message_read(message, "s", &s); |
| if (r < 0) |
| return r; |
| |
| p = exec_output_from_string(s); |
| if (p < 0) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid standard output name"); |
| |
| if (mode != UNIT_CHECK) { |
| c->std_output = p; |
| |
| unit_write_drop_in_private_format(u, mode, name, "StandardOutput=%s", exec_output_to_string(p)); |
| } |
| |
| return 1; |
| |
| } else if (streq(name, "StandardError")) { |
| const char *s; |
| ExecOutput p; |
| |
| r = sd_bus_message_read(message, "s", &s); |
| if (r < 0) |
| return r; |
| |
| p = exec_output_from_string(s); |
| if (p < 0) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid standard error name"); |
| |
| if (mode != UNIT_CHECK) { |
| c->std_error = p; |
| |
| unit_write_drop_in_private_format(u, mode, name, "StandardError=%s", exec_output_to_string(p)); |
| } |
| |
| 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 (!fdname_is_valid(s)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid file descriptor name"); |
| |
| if (mode != UNIT_CHECK) { |
| if (streq(name, "StandardInputFileDescriptorName")) { |
| c->std_input = EXEC_INPUT_NAMED_FD; |
| r = free_and_strdup(&c->stdio_fdname[STDIN_FILENO], s); |
| if (r < 0) |
| return r; |
| unit_write_drop_in_private_format(u, mode, name, "StandardInput=fd:%s", s); |
| } else if (streq(name, "StandardOutputFileDescriptorName")) { |
| c->std_output = EXEC_OUTPUT_NAMED_FD; |
| r = free_and_strdup(&c->stdio_fdname[STDOUT_FILENO], s); |
| if (r < 0) |
| return r; |
| unit_write_drop_in_private_format(u, mode, name, "StandardOutput=fd:%s", s); |
| } else if (streq(name, "StandardErrorFileDescriptorName")) { |
| c->std_error = EXEC_OUTPUT_NAMED_FD; |
| r = free_and_strdup(&c->stdio_fdname[STDERR_FILENO], s); |
| if (r < 0) |
| return r; |
| unit_write_drop_in_private_format(u, mode, name, "StandardError=fd:%s", s); |
| } |
| } |
| |
| return 1; |
| |
| } else if (STR_IN_SET(name, |
| "IgnoreSIGPIPE", "TTYVHangup", "TTYReset", |
| "PrivateTmp", "PrivateDevices", "PrivateNetwork", "PrivateUsers", |
| "NoNewPrivileges", "SyslogLevelPrefix", "MemoryDenyWriteExecute", |
| "RestrictRealtime", "DynamicUser", "RemoveIPC", "ProtectKernelTunables", |
| "ProtectKernelModules", "ProtectControlGroups", "MountAPIVFS")) { |
| int b; |
| |
| r = sd_bus_message_read(message, "b", &b); |
| if (r < 0) |
| return r; |
| |
| if (mode != UNIT_CHECK) { |
| if (streq(name, "IgnoreSIGPIPE")) |
| c->ignore_sigpipe = b; |
| else if (streq(name, "TTYVHangup")) |
| c->tty_vhangup = b; |
| else if (streq(name, "TTYReset")) |
| c->tty_reset = b; |
| else if (streq(name, "PrivateTmp")) |
| c->private_tmp = b; |
| else if (streq(name, "PrivateDevices")) |
| c->private_devices = b; |
| else if (streq(name, "PrivateNetwork")) |
| c->private_network = b; |
| else if (streq(name, "PrivateUsers")) |
| c->private_users = b; |
| else if (streq(name, "NoNewPrivileges")) |
| c->no_new_privileges = b; |
| else if (streq(name, "SyslogLevelPrefix")) |
| c->syslog_level_prefix = b; |
| else if (streq(name, "MemoryDenyWriteExecute")) |
| c->memory_deny_write_execute = b; |
| else if (streq(name, "RestrictRealtime")) |
| c->restrict_realtime = b; |
| else if (streq(name, "DynamicUser")) |
| c->dynamic_user = b; |
| else if (streq(name, "RemoveIPC")) |
| c->remove_ipc = b; |
| else if (streq(name, "ProtectKernelTunables")) |
| c->protect_kernel_tunables = b; |
| else if (streq(name, "ProtectKernelModules")) |
| c->protect_kernel_modules = b; |
| else if (streq(name, "ProtectControlGroups")) |
| c->protect_control_groups = b; |
| else if (streq(name, "MountAPIVFS")) |
| c->mount_apivfs = b; |
| |
| unit_write_drop_in_private_format(u, mode, name, "%s=%s", name, yes_no(b)); |
| } |
| |
| return 1; |
| |
| } else if (streq(name, "UtmpIdentifier")) { |
| const char *id; |
| |
| r = sd_bus_message_read(message, "s", &id); |
| if (r < 0) |
| return r; |
| |
| if (mode != UNIT_CHECK) { |
| if (isempty(id)) |
| c->utmp_id = mfree(c->utmp_id); |
| else if (free_and_strdup(&c->utmp_id, id) < 0) |
| return -ENOMEM; |
| |
| unit_write_drop_in_private_format(u, mode, name, "UtmpIdentifier=%s", strempty(id)); |
| } |
| |
| return 1; |
| |
| } else if (streq(name, "UtmpMode")) { |
| const char *s; |
| ExecUtmpMode m; |
| |
| r = sd_bus_message_read(message, "s", &s); |
| if (r < 0) |
| return r; |
| |
| m = exec_utmp_mode_from_string(s); |
| if (m < 0) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid utmp mode"); |
| |
| if (mode != UNIT_CHECK) { |
| c->utmp_mode = m; |
| |
| unit_write_drop_in_private_format(u, mode, name, "UtmpMode=%s", exec_utmp_mode_to_string(m)); |
| } |
| |
| return 1; |
| |
| } else if (streq(name, "PAMName")) { |
| const char *n; |
| |
| r = sd_bus_message_read(message, "s", &n); |
| if (r < 0) |
| return r; |
| |
| if (mode != UNIT_CHECK) { |
| if (isempty(n)) |
| c->pam_name = mfree(c->pam_name); |
| else if (free_and_strdup(&c->pam_name, n) < 0) |
| return -ENOMEM; |
| |
| unit_write_drop_in_private_format(u, mode, name, "PAMName=%s", strempty(n)); |
| } |
| |
| return 1; |
| |
| } else if (streq(name, "Environment")) { |
| |
| _cleanup_strv_free_ char **l = NULL; |
| |
| r = sd_bus_message_read_strv(message, &l); |
| if (r < 0) |
| return r; |
| |
| if (!strv_env_is_valid(l)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid environment block."); |
| |
| if (mode != UNIT_CHECK) { |
| _cleanup_free_ char *joined = NULL; |
| char **e; |
| |
| if (strv_length(l) == 0) { |
| c->environment = strv_free(c->environment); |
| unit_write_drop_in_private_format(u, mode, name, "Environment="); |
| } else { |
| e = strv_env_merge(2, c->environment, l); |
| if (!e) |
| return -ENOMEM; |
| |
| strv_free(c->environment); |
| c->environment = e; |
| |
| joined = strv_join_quoted(c->environment); |
| if (!joined) |
| return -ENOMEM; |
| |
| unit_write_drop_in_private_format(u, mode, name, "Environment=%s", joined); |
| } |
| } |
| |
| return 1; |
| |
| } else if (streq(name, "TimerSlackNSec")) { |
| |
| nsec_t n; |
| |
| r = sd_bus_message_read(message, "t", &n); |
| if (r < 0) |
| return r; |
| |
| if (mode != UNIT_CHECK) { |
| c->timer_slack_nsec = n; |
| unit_write_drop_in_private_format(u, mode, name, "TimerSlackNSec=" NSEC_FMT, n); |
| } |
| |
| 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 (mode != UNIT_CHECK) { |
| c->oom_score_adjust = oa; |
| c->oom_score_adjust_set = true; |
| unit_write_drop_in_private_format(u, mode, 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; |
| |
| STRV_FOREACH(i, c->environment_files) |
| fprintf(f, "EnvironmentFile=%s", *i); |
| |
| 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 (mode != UNIT_CHECK) { |
| char *buf = NULL; |
| |
| buf = strjoin(b ? "-" : "", path); |
| if (!buf) |
| return -ENOMEM; |
| |
| fprintf(f, "EnvironmentFile=%s", buf); |
| |
| 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 (mode != UNIT_CHECK) { |
| if (strv_isempty(l)) { |
| c->environment_files = strv_free(c->environment_files); |
| unit_write_drop_in_private(u, mode, name, "EnvironmentFile="); |
| } else { |
| r = strv_extend_strv(&c->environment_files, l, true); |
| if (r < 0) |
| return r; |
| |
| unit_write_drop_in_private(u, mode, 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 (mode != UNIT_CHECK) { |
| if (strv_isempty(l)) { |
| c->pass_environment = strv_free(c->pass_environment); |
| unit_write_drop_in_private_format(u, mode, name, "PassEnvironment="); |
| } else { |
| _cleanup_free_ char *joined = NULL; |
| |
| r = strv_extend_strv(&c->pass_environment, l, true); |
| if (r < 0) |
| return r; |
| |
| joined = strv_join_quoted(c->pass_environment); |
| if (!joined) |
| return -ENOMEM; |
| |
| unit_write_drop_in_private_format(u, mode, 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) { |
| const char *i = *p; |
| size_t offset; |
| |
| if (!utf8_is_valid(i)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid %s", name); |
| |
| 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); |
| } |
| |
| if (mode != UNIT_CHECK) { |
| _cleanup_free_ char *joined = NULL; |
| |
| 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_length(l) == 0) { |
| *dirs = strv_free(*dirs); |
| unit_write_drop_in_private_format(u, mode, name, "%s=", name); |
| } else { |
| r = strv_extend_strv(dirs, l, true); |
| if (r < 0) |
| return -ENOMEM; |
| |
| joined = strv_join_quoted(*dirs); |
| if (!joined) |
| return -ENOMEM; |
| |
| unit_write_drop_in_private_format(u, mode, name, "%s=%s", name, joined); |
| } |
| |
| } |
| |
| return 1; |
| |
| } else if (streq(name, "ProtectSystem")) { |
| const char *s; |
| ProtectSystem ps; |
| |
| r = sd_bus_message_read(message, "s", &s); |
| if (r < 0) |
| return r; |
| |
| r = parse_boolean(s); |
| if (r > 0) |
| ps = PROTECT_SYSTEM_YES; |
| else if (r == 0) |
| ps = PROTECT_SYSTEM_NO; |
| else { |
| ps = protect_system_from_string(s); |
| if (ps < 0) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Failed to parse protect system value"); |
| } |
| |
| if (mode != UNIT_CHECK) { |
| c->protect_system = ps; |
| unit_write_drop_in_private_format(u, mode, name, "%s=%s", name, s); |
| } |
| |
| return 1; |
| |
| } else if (streq(name, "ProtectHome")) { |
| const char *s; |
| ProtectHome ph; |
| |
| r = sd_bus_message_read(message, "s", &s); |
| if (r < 0) |
| return r; |
| |
| r = parse_boolean(s); |
| if (r > 0) |
| ph = PROTECT_HOME_YES; |
| else if (r == 0) |
| ph = PROTECT_HOME_NO; |
| else { |
| ph = protect_home_from_string(s); |
| if (ph < 0) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Failed to parse protect home value"); |
| } |
| |
| if (mode != UNIT_CHECK) { |
| c->protect_home = ph; |
| unit_write_drop_in_private_format(u, mode, name, "%s=%s", name, s); |
| } |
| |
| return 1; |
| |
| } else if (streq(name, "RuntimeDirectory")) { |
| _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 (!filename_is_valid(*p)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Runtime directory is not valid %s", *p); |
| } |
| |
| if (mode != UNIT_CHECK) { |
| _cleanup_free_ char *joined = NULL; |
| |
| if (strv_isempty(l)) { |
| c->runtime_directory = strv_free(c->runtime_directory); |
| unit_write_drop_in_private_format(u, mode, name, "%s=", name); |
| } else { |
| r = strv_extend_strv(&c->runtime_directory, l, true); |
| |
| if (r < 0) |
| return -ENOMEM; |
| |
| joined = strv_join_quoted(c->runtime_directory); |
| if (!joined) |
| return -ENOMEM; |
| |
| unit_write_drop_in_private_format(u, mode, name, "%s=%s", name, joined); |
| } |
| } |
| |
| return 1; |
| |
| } else if (streq(name, "SELinuxContext")) { |
| const char *s; |
| |
| r = sd_bus_message_read(message, "s", &s); |
| if (r < 0) |
| return r; |
| |
| if (mode != UNIT_CHECK) { |
| if (isempty(s)) |
| c->selinux_context = mfree(c->selinux_context); |
| else if (free_and_strdup(&c->selinux_context, s) < 0) |
| return -ENOMEM; |
| |
| unit_write_drop_in_private_format(u, mode, name, "%s=%s", name, strempty(s)); |
| } |
| |
| return 1; |
| } else if (streq(name, "RestrictNamespaces")) { |
| uint64_t flags; |
| |
| r = sd_bus_message_read(message, "t", &flags); |
| if (r < 0) |
| return r; |
| if ((flags & NAMESPACE_FLAGS_ALL) != flags) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown namespace types"); |
| |
| if (mode != UNIT_CHECK) { |
| _cleanup_free_ char *s = NULL; |
| |
| r = namespace_flag_to_string_many(flags, &s); |
| if (r < 0) |
| return r; |
| |
| c->restrict_namespaces = flags; |
| unit_write_drop_in_private_format(u, mode, name, "%s=%s", name, s); |
| } |
| |
| return 1; |
| } else if (streq(name, "MountFlags")) { |
| uint64_t flags; |
| |
| r = sd_bus_message_read(message, "t", &flags); |
| if (r < 0) |
| return r; |
| if (!IN_SET(flags, 0, MS_SHARED, MS_PRIVATE, MS_SLAVE)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown mount propagation flags"); |
| |
| if (mode != UNIT_CHECK) { |
| c->mount_flags = flags; |
| |
| unit_write_drop_in_private_format(u, mode, name, "%s=%s", name, mount_propagation_flags_to_string(flags)); |
| } |
| |
| return 1; |
| } else if (STR_IN_SET(name, "BindPaths", "BindReadOnlyPaths")) { |
| unsigned empty = true; |
| |
| r = sd_bus_message_enter_container(message, 'a', "(ssbt)"); |
| if (r < 0) |
| return r; |
| |
| while ((r = sd_bus_message_enter_container(message, 'r', "ssbt")) > 0) { |
| const char *source, *destination; |
| int ignore_enoent; |
| uint64_t mount_flags; |
| |
| r = sd_bus_message_read(message, "ssbt", &source, &destination, &ignore_enoent, &mount_flags); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_exit_container(message); |
| if (r < 0) |
| return r; |
| |
| 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 (mode != UNIT_CHECK) { |
| 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_drop_in_private_format( |
| u, mode, 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; |
| } |
| |
| return 1; |
| } |
| |
| ri = rlimit_from_string(name); |
| if (ri < 0) { |
| soft = endswith(name, "Soft"); |
| if (soft) { |
| const char *n; |
| |
| n = strndupa(name, soft - name); |
| ri = rlimit_from_string(n); |
| if (ri >= 0) |
| name = 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 (mode != UNIT_CHECK) { |
| _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_drop_in_private_format(u, mode, name, "%s=%s", name, f); |
| } |
| |
| return 1; |
| } |
| |
| return 0; |
| } |