diff options
Diffstat (limited to 'src/core/dbus-execute.c')
| -rw-r--r-- | src/core/dbus-execute.c | 1006 |
1 files changed, 0 insertions, 1006 deletions
diff --git a/src/core/dbus-execute.c b/src/core/dbus-execute.c deleted file mode 100644 index a9f7971cde..0000000000 --- a/src/core/dbus-execute.c +++ /dev/null @@ -1,1006 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - 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 "bus-util.h" -#include "missing.h" -#include "ioprio.h" -#include "strv.h" -#include "fileio.h" -#include "execute.h" -#include "capability.h" -#include "env-util.h" -#include "af-list.h" -#include "namespace.h" -#include "path-util.h" -#include "dbus-execute.h" - -#ifdef HAVE_SECCOMP -#include "seccomp-util.h" -#endif - -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(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_rlimit( - sd_bus *bus, - const char *path, - const char *interface, - const char *property, - sd_bus_message *reply, - void *userdata, - sd_bus_error *error) { - - struct rlimit *rl; - uint64_t u; - rlim_t x; - - assert(bus); - assert(reply); - assert(userdata); - - rl = *(struct rlimit**) userdata; - if (rl) - x = rl->rlim_max; - else { - struct rlimit buf = {}; - int z; - - z = rlimit_from_string(property); - assert(z >= 0); - - getrlimit(z, &buf); - x = buf.rlim_max; - } - - /* rlim_t might have different sizes, let's map - * RLIMIT_INFINITY to (uint64_t) -1, so that it is the same on - * all archs */ - u = x == RLIM_INFINITY ? (uint64_t) -1 : (uint64_t) x; - - return sd_bus_message_append(reply, "t", u); -} - -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_atoi(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); - - /* We store this negated internally, to match the kernel, but - * we expose it normalized. */ - return sd_bus_message_append(reply, "t", ~c->capability_bounding_set_drop); -} - -static int property_get_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; - _cleanup_cap_free_charp_ char *t = NULL; - const char *s; - - assert(bus); - assert(reply); - assert(c); - - if (c->capabilities) - s = t = cap_to_text(c->capabilities, NULL); - else - s = ""; - - if (!s) - return -ENOMEM; - - return sd_bus_message_append(reply, "s", 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); -} - -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("UMask", "u", bus_property_get_mode, offsetof(ExecContext, umask), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("LimitCPU", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_CPU]), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("LimitFSIZE", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_FSIZE]), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("LimitDATA", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_DATA]), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("LimitSTACK", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_STACK]), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("LimitCORE", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_CORE]), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("LimitRSS", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_RSS]), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("LimitNOFILE", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_NOFILE]), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("LimitAS", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_AS]), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("LimitNPROC", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_NPROC]), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("LimitMEMLOCK", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_MEMLOCK]), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("LimitLOCKS", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_LOCKS]), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("LimitSIGPENDING", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_SIGPENDING]), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("LimitMSGQUEUE", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_MSGQUEUE]), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("LimitNICE", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_NICE]), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("LimitRTPRIO", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_RTPRIO]), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("LimitRTTIME", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_RTTIME]), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("WorkingDirectory", "s", NULL, offsetof(ExecContext, working_directory), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("RootDirectory", "s", NULL, offsetof(ExecContext, root_directory), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("OOMScoreAdjust", "i", property_get_oom_score_adjust, 0, SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("Nice", "i", property_get_nice, 0, SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("IOScheduling", "i", property_get_ioprio, 0, SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("CPUSchedulingPolicy", "i", property_get_cpu_sched_policy, 0, SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("CPUSchedulingPriority", "i", property_get_cpu_sched_priority, 0, SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("CPUAffinity", "ay", property_get_cpu_affinity, 0, SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("TimerSlackNSec", "t", property_get_timer_slack_nsec, 0, SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("CPUSchedulingResetOnFork", "b", bus_property_get_bool, offsetof(ExecContext, cpu_sched_reset_on_fork), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("NonBlocking", "b", bus_property_get_bool, offsetof(ExecContext, non_blocking), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("StandardInput", "s", property_get_exec_input, offsetof(ExecContext, std_input), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("StandardOutput", "s", bus_property_get_exec_output, offsetof(ExecContext, std_output), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("StandardError", "s", bus_property_get_exec_output, offsetof(ExecContext, std_error), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("TTYPath", "s", NULL, offsetof(ExecContext, tty_path), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("TTYReset", "b", bus_property_get_bool, offsetof(ExecContext, tty_reset), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("TTYVHangup", "b", bus_property_get_bool, offsetof(ExecContext, tty_vhangup), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("TTYVTDisallocate", "b", bus_property_get_bool, offsetof(ExecContext, tty_vt_disallocate), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("SyslogPriority", "i", bus_property_get_int, offsetof(ExecContext, syslog_priority), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("SyslogIdentifier", "s", NULL, offsetof(ExecContext, syslog_identifier), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("SyslogLevelPrefix", "b", bus_property_get_bool, offsetof(ExecContext, syslog_level_prefix), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("Capabilities", "s", property_get_capabilities, 0, SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("SecureBits", "i", bus_property_get_int, offsetof(ExecContext, secure_bits), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("CapabilityBoundingSet", "t", property_get_capability_bounding_set, 0, SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("User", "s", NULL, offsetof(ExecContext, user), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("Group", "s", NULL, offsetof(ExecContext, group), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("SupplementaryGroups", "as", NULL, offsetof(ExecContext, supplementary_groups), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("PAMName", "s", NULL, offsetof(ExecContext, pam_name), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("ReadWriteDirectories", "as", NULL, offsetof(ExecContext, read_write_dirs), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("ReadOnlyDirectories", "as", NULL, offsetof(ExecContext, read_only_dirs), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("InaccessibleDirectories", "as", NULL, offsetof(ExecContext, inaccessible_dirs), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("MountFlags", "t", bus_property_get_ulong, offsetof(ExecContext, mount_flags), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("PrivateTmp", "b", bus_property_get_bool, offsetof(ExecContext, private_tmp), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("PrivateNetwork", "b", bus_property_get_bool, offsetof(ExecContext, private_network), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("PrivateDevices", "b", bus_property_get_bool, offsetof(ExecContext, private_devices), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("ProtectHome", "s", bus_property_get_protect_home, offsetof(ExecContext, protect_home), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("ProtectSystem", "s", bus_property_get_protect_system, offsetof(ExecContext, protect_system), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("SameProcessGroup", "b", bus_property_get_bool, offsetof(ExecContext, same_pgrp), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("UtmpIdentifier", "s", NULL, offsetof(ExecContext, utmp_id), SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("SELinuxContext", "(bs)", property_get_selinux_context, 0, SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("AppArmorProfile", "(bs)", property_get_apparmor_profile, 0, SD_BUS_VTABLE_PROPERTY_CONST), - SD_BUS_PROPERTY("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_VTABLE_END -}; - -static int append_exec_command(sd_bus_message *reply, ExecCommand *c) { - int r; - - assert(reply); - assert(c); - - if (!c->path) - return 0; - - r = sd_bus_message_open_container(reply, 'r', "sasbttttuii"); - if (r < 0) - return r; - - r = sd_bus_message_append(reply, "s", c->path); - if (r < 0) - return r; - - r = sd_bus_message_append_strv(reply, c->argv); - if (r < 0) - return r; - - r = sd_bus_message_append(reply, "bttttuii", - c->ignore, - c->exec_status.start_timestamp.realtime, - c->exec_status.start_timestamp.monotonic, - c->exec_status.exit_timestamp.realtime, - c->exec_status.exit_timestamp.monotonic, - (uint32_t) c->exec_status.pid, - (int32_t) c->exec_status.code, - (int32_t) c->exec_status.status); - if (r < 0) - return r; - - return sd_bus_message_close_container(reply); -} - -int bus_property_get_exec_command( - sd_bus *bus, - const char *path, - const char *interface, - const char *property, - sd_bus_message *reply, - void *userdata, - sd_bus_error *ret_error) { - - ExecCommand *c = (ExecCommand*) userdata; - int r; - - assert(bus); - assert(reply); - - r = sd_bus_message_open_container(reply, 'a', "(sasbttttuii)"); - if (r < 0) - return r; - - r = append_exec_command(reply, c); - if (r < 0) - return r; - - return sd_bus_message_close_container(reply); -} - -int bus_property_get_exec_command_list( - sd_bus *bus, - const char *path, - const char *interface, - const char *property, - sd_bus_message *reply, - void *userdata, - sd_bus_error *ret_error) { - - ExecCommand *c = *(ExecCommand**) userdata; - int r; - - assert(bus); - assert(reply); - - r = sd_bus_message_open_container(reply, 'a', "(sasbttttuii)"); - if (r < 0) - return r; - - LIST_FOREACH(command, c, c) { - r = append_exec_command(reply, c); - if (r < 0) - return r; - } - - return sd_bus_message_close_container(reply); -} - -int bus_exec_context_set_transient_property( - Unit *u, - ExecContext *c, - const char *name, - sd_bus_message *message, - UnitSetPropertiesMode mode, - sd_bus_error *error) { - - int r; - - assert(u); - assert(c); - assert(name); - assert(message); - - if (streq(name, "User")) { - const char *uu; - - r = sd_bus_message_read(message, "s", &uu); - if (r < 0) - return r; - - if (mode != UNIT_CHECK) { - - if (isempty(uu)) { - free(c->user); - c->user = NULL; - } else { - char *t; - - t = strdup(uu); - if (!t) - return -ENOMEM; - - free(c->user); - c->user = t; - } - - unit_write_drop_in_private_format(u, mode, name, "User=%s\n", uu); - } - - return 1; - - } else if (streq(name, "Group")) { - const char *gg; - - r = sd_bus_message_read(message, "s", &gg); - if (r < 0) - return r; - - if (mode != UNIT_CHECK) { - - if (isempty(gg)) { - free(c->group); - c->group = NULL; - } else { - char *t; - - t = strdup(gg); - if (!t) - return -ENOMEM; - - free(c->group); - c->group = t; - } - - unit_write_drop_in_private_format(u, mode, name, "Group=%s\n", gg); - } - - return 1; - - } else if (streq(name, "Nice")) { - int n; - - r = sd_bus_message_read(message, "i", &n); - if (r < 0) - return r; - - if (n < PRIO_MIN || n >= PRIO_MAX) - return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Nice value out of range"); - - if (mode != UNIT_CHECK) { - c->nice = n; - unit_write_drop_in_private_format(u, mode, name, "Nice=%i\n", n); - } - - return 1; - - } else if (streq(name, "TTYPath")) { - const char *tty; - - r = sd_bus_message_read(message, "s", &tty); - if (r < 0) - return r; - - if (!path_is_absolute(tty)) - return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "TTY device not absolute path"); - - if (mode != UNIT_CHECK) { - char *t; - - t = strdup(tty); - if (!t) - return -ENOMEM; - - free(c->tty_path); - c->tty_path = t; - - unit_write_drop_in_private_format(u, mode, name, "TTYPath=%s\n", tty); - } - - 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\n", 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\n", 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\n", exec_output_to_string(p)); - } - - return 1; - - } else if (streq(name, "Environment")) { - - _cleanup_strv_free_ char **l = NULL; - - r = sd_bus_message_read_strv(message, &l); - if (r < 0) - return r; - - if (!strv_env_is_valid(l)) - return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid environment block."); - - if (mode != UNIT_CHECK) { - _cleanup_free_ char *joined = NULL; - char **e; - - e = strv_env_merge(2, c->environment, l); - if (!e) - return -ENOMEM; - - strv_free(c->environment); - c->environment = e; - - joined = strv_join_quoted(c->environment); - if (!joined) - return -ENOMEM; - - unit_write_drop_in_private_format(u, mode, name, "Environment=%s\n", joined); - } - - return 1; - - } else if (rlimit_from_string(name) >= 0) { - uint64_t rl; - rlim_t x; - - r = sd_bus_message_read(message, "t", &rl); - if (r < 0) - return r; - - if (rl == (uint64_t) -1) - x = RLIM_INFINITY; - else { - x = (rlim_t) rl; - - if ((uint64_t) x != rl) - return -ERANGE; - } - - if (mode != UNIT_CHECK) { - int z; - - z = rlimit_from_string(name); - - if (!c->rlimit[z]) { - c->rlimit[z] = new(struct rlimit, 1); - if (!c->rlimit[z]) - return -ENOMEM; - } - - c->rlimit[z]->rlim_cur = c->rlimit[z]->rlim_max = x; - - if (x == RLIM_INFINITY) - unit_write_drop_in_private_format(u, mode, name, "%s=infinity\n", name); - else - unit_write_drop_in_private_format(u, mode, name, "%s=%" PRIu64 "\n", name, rl); - } - - return 1; - } - - return 0; -} |