| /*-*- 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 "dbus-execute.h" |
| #include "capability.h" |
| #include "env-util.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 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; |
| |
| assert(bus); |
| assert(reply); |
| assert(userdata); |
| |
| rl = *(struct rlimit**) userdata; |
| if (rl) |
| u = (uint64_t) rl->rlim_max; |
| else { |
| struct rlimit buf = {}; |
| int z; |
| |
| z = rlimit_from_string(property); |
| assert(z >= 0); |
| |
| getrlimit(z, &buf); |
| |
| u = (uint64_t) buf.rlim_max; |
| } |
| |
| 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_t) -1) |
| 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_push(&l, name); |
| if (r < 0) { |
| free(name); |
| return -ENOMEM; |
| } |
| } |
| #endif |
| |
| strv_sort(l); |
| |
| r = sd_bus_message_append_strv(reply, l); |
| if (r < 0) |
| return r; |
| |
| return sd_bus_message_close_container(reply); |
| } |
| |
| static int property_get_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_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)); |
| } |
| |
| 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("TCPWrapName", "s", NULL, offsetof(ExecContext, tcpwrap_name), 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("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("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_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, "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(c->environment, " "); |
| if (!joined) |
| return -ENOMEM; |
| |
| unit_write_drop_in_private_format(u, mode, name, "Environment=%s\n", joined); |
| } |
| |
| return 1; |
| } |
| |
| return 0; |
| } |