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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:35:18 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:35:18 +0000 |
commit | b750101eb236130cf056c675997decbac904cc49 (patch) | |
tree | a5df1a06754bdd014cb975c051c83b01c9a97532 /src/shared/bus-unit-util.c | |
parent | Initial commit. (diff) | |
download | systemd-upstream.tar.xz systemd-upstream.zip |
Adding upstream version 252.22.upstream/252.22upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/shared/bus-unit-util.c | 2755 |
1 files changed, 2755 insertions, 0 deletions
diff --git a/src/shared/bus-unit-util.c b/src/shared/bus-unit-util.c new file mode 100644 index 0000000..7666012 --- /dev/null +++ b/src/shared/bus-unit-util.c @@ -0,0 +1,2755 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include "af-list.h" +#include "alloc-util.h" +#include "bus-error.h" +#include "bus-unit-util.h" +#include "bus-util.h" +#include "cap-list.h" +#include "cgroup-setup.h" +#include "cgroup-util.h" +#include "condition.h" +#include "coredump-util.h" +#include "cpu-set-util.h" +#include "dissect-image.h" +#include "escape.h" +#include "exec-util.h" +#include "exit-status.h" +#include "fileio.h" +#include "hexdecoct.h" +#include "hostname-util.h" +#include "in-addr-util.h" +#include "ioprio-util.h" +#include "ip-protocol-list.h" +#include "libmount-util.h" +#include "locale-util.h" +#include "log.h" +#include "macro.h" +#include "missing_fs.h" +#include "mountpoint-util.h" +#include "nsflags.h" +#include "numa-util.h" +#include "parse-helpers.h" +#include "parse-util.h" +#include "path-util.h" +#include "percent-util.h" +#include "process-util.h" +#include "rlimit-util.h" +#if HAVE_SECCOMP +#include "seccomp-util.h" +#endif +#include "securebits-util.h" +#include "signal-util.h" +#include "socket-util.h" +#include "sort-util.h" +#include "stdio-util.h" +#include "string-util.h" +#include "syslog-util.h" +#include "terminal-util.h" +#include "unit-def.h" +#include "user-util.h" +#include "utf8.h" + +int bus_parse_unit_info(sd_bus_message *message, UnitInfo *u) { + assert(message); + assert(u); + + u->machine = NULL; + + return sd_bus_message_read( + message, + "(ssssssouso)", + &u->id, + &u->description, + &u->load_state, + &u->active_state, + &u->sub_state, + &u->following, + &u->unit_path, + &u->job_id, + &u->job_type, + &u->job_path); +} + +#define DEFINE_BUS_APPEND_PARSE_PTR(bus_type, cast_type, type, parse_func) \ + static int bus_append_##parse_func( \ + sd_bus_message *m, \ + const char *field, \ + const char *eq) { \ + type val; \ + int r; \ + \ + r = parse_func(eq, &val); \ + if (r < 0) \ + return log_error_errno(r, "Failed to parse %s=%s: %m", field, eq); \ + \ + r = sd_bus_message_append(m, "(sv)", field, \ + bus_type, (cast_type) val); \ + if (r < 0) \ + return bus_log_create_error(r); \ + \ + return 1; \ + } + +#define DEFINE_BUS_APPEND_PARSE(bus_type, parse_func) \ + static int bus_append_##parse_func( \ + sd_bus_message *m, \ + const char *field, \ + const char *eq) { \ + int r; \ + \ + r = parse_func(eq); \ + if (r < 0) \ + return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Failed to parse %s: %s", field, eq); \ + \ + r = sd_bus_message_append(m, "(sv)", field, \ + bus_type, (int32_t) r); \ + if (r < 0) \ + return bus_log_create_error(r); \ + \ + return 1; \ + } + +DEFINE_BUS_APPEND_PARSE("b", parse_boolean); +DEFINE_BUS_APPEND_PARSE("i", ioprio_class_from_string); +DEFINE_BUS_APPEND_PARSE("i", ip_tos_from_string); +DEFINE_BUS_APPEND_PARSE("i", log_facility_unshifted_from_string); +DEFINE_BUS_APPEND_PARSE("i", log_level_from_string); +#if !HAVE_SECCOMP +static inline int seccomp_parse_errno_or_action(const char *eq) { return -EINVAL; } +#endif +DEFINE_BUS_APPEND_PARSE("i", seccomp_parse_errno_or_action); +DEFINE_BUS_APPEND_PARSE("i", sched_policy_from_string); +DEFINE_BUS_APPEND_PARSE("i", secure_bits_from_string); +DEFINE_BUS_APPEND_PARSE("i", signal_from_string); +DEFINE_BUS_APPEND_PARSE("i", parse_ip_protocol); +DEFINE_BUS_APPEND_PARSE_PTR("i", int32_t, int, ioprio_parse_priority); +DEFINE_BUS_APPEND_PARSE_PTR("i", int32_t, int, parse_nice); +DEFINE_BUS_APPEND_PARSE_PTR("i", int32_t, int, safe_atoi); +DEFINE_BUS_APPEND_PARSE_PTR("t", uint64_t, nsec_t, parse_nsec); +DEFINE_BUS_APPEND_PARSE_PTR("t", uint64_t, uint64_t, cg_blkio_weight_parse); +DEFINE_BUS_APPEND_PARSE_PTR("t", uint64_t, uint64_t, cg_cpu_shares_parse); +DEFINE_BUS_APPEND_PARSE_PTR("t", uint64_t, uint64_t, cg_weight_parse); +DEFINE_BUS_APPEND_PARSE_PTR("t", uint64_t, uint64_t, cg_cpu_weight_parse); +DEFINE_BUS_APPEND_PARSE_PTR("t", uint64_t, unsigned long, mount_propagation_flags_from_string); +DEFINE_BUS_APPEND_PARSE_PTR("t", uint64_t, uint64_t, safe_atou64); +DEFINE_BUS_APPEND_PARSE_PTR("u", uint32_t, mode_t, parse_mode); +DEFINE_BUS_APPEND_PARSE_PTR("u", uint32_t, unsigned, safe_atou); +DEFINE_BUS_APPEND_PARSE_PTR("x", int64_t, int64_t, safe_atoi64); +DEFINE_BUS_APPEND_PARSE_PTR("t", uint64_t, uint64_t, coredump_filter_mask_from_string); + +static int bus_append_string(sd_bus_message *m, const char *field, const char *eq) { + int r; + + r = sd_bus_message_append(m, "(sv)", field, "s", eq); + if (r < 0) + return bus_log_create_error(r); + + return 1; +} + +static int bus_append_strv(sd_bus_message *m, const char *field, const char *eq, ExtractFlags flags) { + const char *p; + int r; + + r = sd_bus_message_open_container(m, 'r', "sv"); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_append_basic(m, 's', field); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_open_container(m, 'v', "as"); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_open_container(m, 'a', "s"); + if (r < 0) + return bus_log_create_error(r); + + for (p = eq;;) { + _cleanup_free_ char *word = NULL; + + r = extract_first_word(&p, &word, NULL, flags); + if (r == 0) + break; + if (r == -ENOMEM) + return log_oom(); + if (r < 0) + return log_error_errno(r, "Invalid syntax: %s", eq); + + r = sd_bus_message_append_basic(m, 's', word); + if (r < 0) + return bus_log_create_error(r); + } + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + + return 1; +} + +static int bus_append_byte_array(sd_bus_message *m, const char *field, const void *buf, size_t n) { + int r; + + r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT, "sv"); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, field); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_open_container(m, 'v', "ay"); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_append_array(m, 'y', buf, n); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + + return 1; +} + +static int bus_append_parse_sec_rename(sd_bus_message *m, const char *field, const char *eq) { + char *n; + usec_t t; + size_t l; + int r; + + r = parse_sec(eq, &t); + if (r < 0) + return log_error_errno(r, "Failed to parse %s=%s: %m", field, eq); + + l = strlen(field); + n = newa(char, l + 2); + /* Change suffix Sec → USec */ + strcpy(mempcpy(n, field, l - 3), "USec"); + + r = sd_bus_message_append(m, "(sv)", n, "t", t); + if (r < 0) + return bus_log_create_error(r); + + return 1; +} + +static int bus_append_parse_size(sd_bus_message *m, const char *field, const char *eq, uint64_t base) { + uint64_t v; + int r; + + r = parse_size(eq, base, &v); + if (r < 0) + return log_error_errno(r, "Failed to parse %s=%s: %m", field, eq); + + r = sd_bus_message_append(m, "(sv)", field, "t", v); + if (r < 0) + return bus_log_create_error(r); + + return 1; +} + +static int bus_append_exec_command(sd_bus_message *m, const char *field, const char *eq) { + bool explicit_path = false, done = false; + _cleanup_strv_free_ char **l = NULL, **ex_opts = NULL; + _cleanup_free_ char *path = NULL, *upgraded_name = NULL; + ExecCommandFlags flags = 0; + bool is_ex_prop = endswith(field, "Ex"); + int r; + + do { + switch (*eq) { + + case '-': + if (FLAGS_SET(flags, EXEC_COMMAND_IGNORE_FAILURE)) + done = true; + else { + flags |= EXEC_COMMAND_IGNORE_FAILURE; + eq++; + } + break; + + case '@': + if (explicit_path) + done = true; + else { + explicit_path = true; + eq++; + } + break; + + case ':': + if (FLAGS_SET(flags, EXEC_COMMAND_NO_ENV_EXPAND)) + done = true; + else { + flags |= EXEC_COMMAND_NO_ENV_EXPAND; + eq++; + } + break; + + case '+': + if (flags & (EXEC_COMMAND_FULLY_PRIVILEGED|EXEC_COMMAND_NO_SETUID|EXEC_COMMAND_AMBIENT_MAGIC)) + done = true; + else { + flags |= EXEC_COMMAND_FULLY_PRIVILEGED; + eq++; + } + break; + + case '!': + if (flags & (EXEC_COMMAND_FULLY_PRIVILEGED|EXEC_COMMAND_AMBIENT_MAGIC)) + done = true; + else if (FLAGS_SET(flags, EXEC_COMMAND_NO_SETUID)) { + flags &= ~EXEC_COMMAND_NO_SETUID; + flags |= EXEC_COMMAND_AMBIENT_MAGIC; + eq++; + } else { + flags |= EXEC_COMMAND_NO_SETUID; + eq++; + } + break; + + default: + done = true; + break; + } + } while (!done); + + if (!is_ex_prop && (flags & (EXEC_COMMAND_NO_ENV_EXPAND|EXEC_COMMAND_FULLY_PRIVILEGED|EXEC_COMMAND_NO_SETUID|EXEC_COMMAND_AMBIENT_MAGIC))) { + /* Upgrade the ExecXYZ= property to ExecXYZEx= for convenience */ + is_ex_prop = true; + upgraded_name = strjoin(field, "Ex"); + if (!upgraded_name) + return log_oom(); + } + + if (is_ex_prop) { + r = exec_command_flags_to_strv(flags, &ex_opts); + if (r < 0) + return log_error_errno(r, "Failed to convert ExecCommandFlags to strv: %m"); + } + + if (explicit_path) { + r = extract_first_word(&eq, &path, NULL, EXTRACT_UNQUOTE|EXTRACT_CUNESCAPE); + if (r < 0) + return log_error_errno(r, "Failed to parse path: %m"); + } + + r = strv_split_full(&l, eq, NULL, EXTRACT_UNQUOTE|EXTRACT_CUNESCAPE); + if (r < 0) + return log_error_errno(r, "Failed to parse command line: %m"); + + r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT, "sv"); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, upgraded_name ?: field); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_open_container(m, 'v', is_ex_prop ? "a(sasas)" : "a(sasb)"); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_open_container(m, 'a', is_ex_prop ? "(sasas)" : "(sasb)"); + if (r < 0) + return bus_log_create_error(r); + + if (!strv_isempty(l)) { + + r = sd_bus_message_open_container(m, 'r', is_ex_prop ? "sasas" : "sasb"); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_append(m, "s", path ?: l[0]); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_append_strv(m, l); + if (r < 0) + return bus_log_create_error(r); + + r = is_ex_prop ? sd_bus_message_append_strv(m, ex_opts) : sd_bus_message_append(m, "b", FLAGS_SET(flags, EXEC_COMMAND_IGNORE_FAILURE)); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + } + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + + return 1; +} + +static int bus_append_ip_address_access(sd_bus_message *m, int family, const union in_addr_union *prefix, unsigned char prefixlen) { + int r; + + assert(m); + assert(prefix); + + r = sd_bus_message_open_container(m, 'r', "iayu"); + if (r < 0) + return r; + + r = sd_bus_message_append(m, "i", family); + if (r < 0) + return r; + + r = sd_bus_message_append_array(m, 'y', prefix, FAMILY_ADDRESS_SIZE(family)); + if (r < 0) + return r; + + r = sd_bus_message_append(m, "u", prefixlen); + if (r < 0) + return r; + + return sd_bus_message_close_container(m); +} + +static int bus_append_cgroup_property(sd_bus_message *m, const char *field, const char *eq) { + int r; + + if (STR_IN_SET(field, "DevicePolicy", + "Slice", + "ManagedOOMSwap", + "ManagedOOMMemoryPressure", + "ManagedOOMPreference")) + return bus_append_string(m, field, eq); + + if (STR_IN_SET(field, "ManagedOOMMemoryPressureLimit")) { + r = parse_permyriad(eq); + if (r < 0) + return log_error_errno(r, "Failed to parse %s value: %s", field, eq); + + /* Pass around scaled to 2^32-1 == 100% */ + r = sd_bus_message_append(m, "(sv)", field, "u", UINT32_SCALE_FROM_PERMYRIAD(r)); + if (r < 0) + return bus_log_create_error(r); + + return 1; + } + + if (STR_IN_SET(field, "CPUAccounting", + "MemoryAccounting", + "IOAccounting", + "BlockIOAccounting", + "TasksAccounting", + "IPAccounting")) + return bus_append_parse_boolean(m, field, eq); + + if (STR_IN_SET(field, "CPUWeight", + "StartupCPUWeight")) + return bus_append_cg_cpu_weight_parse(m, field, eq); + + if (STR_IN_SET(field, "IOWeight", + "StartupIOWeight")) + return bus_append_cg_weight_parse(m, field, eq); + + if (STR_IN_SET(field, "CPUShares", + "StartupCPUShares")) + return bus_append_cg_cpu_shares_parse(m, field, eq); + + if (STR_IN_SET(field, "AllowedCPUs", + "StartupAllowedCPUs", + "AllowedMemoryNodes", + "StartupAllowedMemoryNodes")) { + _cleanup_(cpu_set_reset) CPUSet cpuset = {}; + _cleanup_free_ uint8_t *array = NULL; + size_t allocated; + + r = parse_cpu_set(eq, &cpuset); + if (r < 0) + return log_error_errno(r, "Failed to parse %s value: %s", field, eq); + + r = cpu_set_to_dbus(&cpuset, &array, &allocated); + if (r < 0) + return log_error_errno(r, "Failed to serialize CPUSet: %m"); + + return bus_append_byte_array(m, field, array, allocated); + } + + if (STR_IN_SET(field, "BlockIOWeight", + "StartupBlockIOWeight")) + return bus_append_cg_blkio_weight_parse(m, field, eq); + + if (streq(field, "DisableControllers")) + return bus_append_strv(m, "DisableControllers", eq, EXTRACT_UNQUOTE); + + if (streq(field, "Delegate")) { + r = parse_boolean(eq); + if (r < 0) + return bus_append_strv(m, "DelegateControllers", eq, EXTRACT_UNQUOTE); + + r = sd_bus_message_append(m, "(sv)", "Delegate", "b", r); + if (r < 0) + return bus_log_create_error(r); + + return 1; + } + + if (STR_IN_SET(field, "MemoryMin", + "DefaultMemoryLow", + "DefaultMemoryMin", + "MemoryLow", + "MemoryHigh", + "MemoryMax", + "MemorySwapMax", + "MemoryLimit", + "TasksMax")) { + + if (streq(eq, "infinity")) { + r = sd_bus_message_append(m, "(sv)", field, "t", CGROUP_LIMIT_MAX); + if (r < 0) + return bus_log_create_error(r); + return 1; + } else if (isempty(eq)) { + uint64_t empty_value = STR_IN_SET(field, + "DefaultMemoryLow", + "DefaultMemoryMin", + "MemoryLow", + "MemoryMin") ? + CGROUP_LIMIT_MIN : + CGROUP_LIMIT_MAX; + + r = sd_bus_message_append(m, "(sv)", field, "t", empty_value); + if (r < 0) + return bus_log_create_error(r); + return 1; + } + + r = parse_permyriad(eq); + if (r >= 0) { + char *n; + + /* When this is a percentage we'll convert this into a relative value in the range 0…UINT32_MAX + * and pass it in the MemoryLowScale property (and related ones). This way the physical memory + * size can be determined server-side. */ + + n = strjoina(field, "Scale"); + r = sd_bus_message_append(m, "(sv)", n, "u", UINT32_SCALE_FROM_PERMYRIAD(r)); + if (r < 0) + return bus_log_create_error(r); + + return 1; + } + + if (streq(field, "TasksMax")) + return bus_append_safe_atou64(m, field, eq); + + return bus_append_parse_size(m, field, eq, 1024); + } + + if (streq(field, "CPUQuota")) { + if (isempty(eq)) + r = sd_bus_message_append(m, "(sv)", "CPUQuotaPerSecUSec", "t", USEC_INFINITY); + else { + r = parse_permyriad_unbounded(eq); + if (r == 0) + return log_error_errno(SYNTHETIC_ERRNO(ERANGE), + "CPU quota too small."); + if (r < 0) + return log_error_errno(r, "CPU quota '%s' invalid.", eq); + + r = sd_bus_message_append(m, "(sv)", "CPUQuotaPerSecUSec", "t", (((uint64_t) r * USEC_PER_SEC) / 10000U)); + } + + if (r < 0) + return bus_log_create_error(r); + + return 1; + } + + if (streq(field, "CPUQuotaPeriodSec")) { + usec_t u = USEC_INFINITY; + + r = parse_sec_def_infinity(eq, &u); + if (r < 0) + return log_error_errno(r, "CPU quota period '%s' invalid.", eq); + + r = sd_bus_message_append(m, "(sv)", "CPUQuotaPeriodUSec", "t", u); + if (r < 0) + return bus_log_create_error(r); + + return 1; + } + + if (streq(field, "DeviceAllow")) { + if (isempty(eq)) + r = sd_bus_message_append(m, "(sv)", field, "a(ss)", 0); + else { + const char *path = eq, *rwm = NULL, *e; + + e = strchr(eq, ' '); + if (e) { + path = strndupa_safe(eq, e - eq); + rwm = e+1; + } + + r = sd_bus_message_append(m, "(sv)", field, "a(ss)", 1, path, strempty(rwm)); + } + + if (r < 0) + return bus_log_create_error(r); + + return 1; + } + + if (cgroup_io_limit_type_from_string(field) >= 0 || STR_IN_SET(field, "BlockIOReadBandwidth", "BlockIOWriteBandwidth")) { + if (isempty(eq)) + r = sd_bus_message_append(m, "(sv)", field, "a(st)", 0); + else { + const char *path, *bandwidth, *e; + uint64_t bytes; + + e = strchr(eq, ' '); + if (!e) + return log_error_errno(SYNTHETIC_ERRNO(EINVAL), + "Failed to parse %s value %s.", + field, eq); + + path = strndupa_safe(eq, e - eq); + bandwidth = e+1; + + if (streq(bandwidth, "infinity")) + bytes = CGROUP_LIMIT_MAX; + else { + r = parse_size(bandwidth, 1000, &bytes); + if (r < 0) + return log_error_errno(r, "Failed to parse byte value %s: %m", bandwidth); + } + + r = sd_bus_message_append(m, "(sv)", field, "a(st)", 1, path, bytes); + } + + if (r < 0) + return bus_log_create_error(r); + + return 1; + } + + if (STR_IN_SET(field, "IODeviceWeight", + "BlockIODeviceWeight")) { + if (isempty(eq)) + r = sd_bus_message_append(m, "(sv)", field, "a(st)", 0); + else { + const char *path, *weight, *e; + uint64_t u; + + e = strchr(eq, ' '); + if (!e) + return log_error_errno(SYNTHETIC_ERRNO(EINVAL), + "Failed to parse %s value %s.", + field, eq); + + path = strndupa_safe(eq, e - eq); + weight = e+1; + + r = safe_atou64(weight, &u); + if (r < 0) + return log_error_errno(r, "Failed to parse %s value %s: %m", field, weight); + + r = sd_bus_message_append(m, "(sv)", field, "a(st)", 1, path, u); + } + + if (r < 0) + return bus_log_create_error(r); + + return 1; + } + + if (streq(field, "IODeviceLatencyTargetSec")) { + const char *field_usec = "IODeviceLatencyTargetUSec"; + + if (isempty(eq)) + r = sd_bus_message_append(m, "(sv)", field_usec, "a(st)", USEC_INFINITY); + else { + const char *path, *target, *e; + usec_t usec; + + e = strchr(eq, ' '); + if (!e) + return log_error_errno(SYNTHETIC_ERRNO(EINVAL), + "Failed to parse %s value %s.", + field, eq); + + path = strndupa_safe(eq, e - eq); + target = e+1; + + r = parse_sec(target, &usec); + if (r < 0) + return log_error_errno(r, "Failed to parse %s value %s: %m", field, target); + + r = sd_bus_message_append(m, "(sv)", field_usec, "a(st)", 1, path, usec); + } + + if (r < 0) + return bus_log_create_error(r); + + return 1; + } + + if (STR_IN_SET(field, "IPAddressAllow", + "IPAddressDeny")) { + unsigned char prefixlen; + union in_addr_union prefix = {}; + int family; + + if (isempty(eq)) { + r = sd_bus_message_append(m, "(sv)", field, "a(iayu)", 0); + if (r < 0) + return bus_log_create_error(r); + + return 1; + } + + r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT, "sv"); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, field); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_open_container(m, 'v', "a(iayu)"); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_open_container(m, 'a', "(iayu)"); + if (r < 0) + return bus_log_create_error(r); + + if (streq(eq, "any")) { + /* "any" is a shortcut for 0.0.0.0/0 and ::/0 */ + + r = bus_append_ip_address_access(m, AF_INET, &prefix, 0); + if (r < 0) + return bus_log_create_error(r); + + r = bus_append_ip_address_access(m, AF_INET6, &prefix, 0); + if (r < 0) + return bus_log_create_error(r); + + } else if (is_localhost(eq)) { + /* "localhost" is a shortcut for 127.0.0.0/8 and ::1/128 */ + + prefix.in.s_addr = htobe32(0x7f000000); + r = bus_append_ip_address_access(m, AF_INET, &prefix, 8); + if (r < 0) + return bus_log_create_error(r); + + prefix.in6 = (struct in6_addr) IN6ADDR_LOOPBACK_INIT; + r = bus_append_ip_address_access(m, AF_INET6, &prefix, 128); + if (r < 0) + return r; + + } else if (streq(eq, "link-local")) { + /* "link-local" is a shortcut for 169.254.0.0/16 and fe80::/64 */ + + prefix.in.s_addr = htobe32((UINT32_C(169) << 24 | UINT32_C(254) << 16)); + r = bus_append_ip_address_access(m, AF_INET, &prefix, 16); + if (r < 0) + return bus_log_create_error(r); + + prefix.in6 = (struct in6_addr) { + .s6_addr32[0] = htobe32(0xfe800000) + }; + r = bus_append_ip_address_access(m, AF_INET6, &prefix, 64); + if (r < 0) + return bus_log_create_error(r); + + } else if (streq(eq, "multicast")) { + /* "multicast" is a shortcut for 224.0.0.0/4 and ff00::/8 */ + + prefix.in.s_addr = htobe32((UINT32_C(224) << 24)); + r = bus_append_ip_address_access(m, AF_INET, &prefix, 4); + if (r < 0) + return bus_log_create_error(r); + + prefix.in6 = (struct in6_addr) { + .s6_addr32[0] = htobe32(0xff000000) + }; + r = bus_append_ip_address_access(m, AF_INET6, &prefix, 8); + if (r < 0) + return bus_log_create_error(r); + + } else { + for (;;) { + _cleanup_free_ char *word = NULL; + + r = extract_first_word(&eq, &word, NULL, 0); + if (r == 0) + break; + if (r == -ENOMEM) + return log_oom(); + if (r < 0) + return log_error_errno(r, "Failed to parse %s: %s", field, eq); + + r = in_addr_prefix_from_string_auto(word, &family, &prefix, &prefixlen); + if (r < 0) + return log_error_errno(r, "Failed to parse IP address prefix: %s", word); + + r = bus_append_ip_address_access(m, family, &prefix, prefixlen); + if (r < 0) + return bus_log_create_error(r); + } + } + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + + return 1; + } + + if (STR_IN_SET(field, "IPIngressFilterPath", + "IPEgressFilterPath")) { + if (isempty(eq)) + r = sd_bus_message_append(m, "(sv)", field, "as", 0); + else + r = sd_bus_message_append(m, "(sv)", field, "as", 1, eq); + + if (r < 0) + return bus_log_create_error(r); + + return 1; + } + + if (streq(field, "BPFProgram")) { + if (isempty(eq)) + r = sd_bus_message_append(m, "(sv)", field, "a(ss)", 0); + else { + _cleanup_free_ char *word = NULL; + + r = extract_first_word(&eq, &word, ":", 0); + if (r == -ENOMEM) + return log_oom(); + if (r < 0) + return log_error_errno(r, "Failed to parse %s: %m", field); + + r = sd_bus_message_append(m, "(sv)", field, "a(ss)", 1, word, eq); + } + if (r < 0) + return bus_log_create_error(r); + + return 1; + } + + if (STR_IN_SET(field, "SocketBindAllow", + "SocketBindDeny")) { + if (isempty(eq)) + r = sd_bus_message_append(m, "(sv)", field, "a(iiqq)", 0); + else { + int32_t family, ip_protocol; + uint16_t nr_ports, port_min; + + r = parse_socket_bind_item(eq, &family, &ip_protocol, &nr_ports, &port_min); + if (r == -ENOMEM) + return log_oom(); + if (r < 0) + return log_error_errno(r, "Failed to parse %s", field); + + r = sd_bus_message_append( + m, "(sv)", field, "a(iiqq)", 1, family, ip_protocol, nr_ports, port_min); + } + if (r < 0) + return bus_log_create_error(r); + + return 1; + } + + return 0; +} + +static int bus_append_automount_property(sd_bus_message *m, const char *field, const char *eq) { + if (STR_IN_SET(field, "Where", + "ExtraOptions")) + return bus_append_string(m, field, eq); + + if (streq(field, "DirectoryMode")) + return bus_append_parse_mode(m, field, eq); + + if (streq(field, "TimeoutIdleSec")) + return bus_append_parse_sec_rename(m, field, eq); + + return 0; +} + +static int bus_append_execute_property(sd_bus_message *m, const char *field, const char *eq) { + const char *suffix; + int r; + + if (STR_IN_SET(field, "User", + "Group", + "UtmpIdentifier", + "UtmpMode", + "PAMName", + "TTYPath", + "WorkingDirectory", + "RootDirectory", + "SyslogIdentifier", + "ProtectSystem", + "ProtectHome", + "SELinuxContext", + "RootImage", + "RootVerity", + "RuntimeDirectoryPreserve", + "Personality", + "KeyringMode", + "ProtectProc", + "ProcSubset", + "NetworkNamespacePath", + "IPCNamespacePath", + "LogNamespace")) + return bus_append_string(m, field, eq); + + if (STR_IN_SET(field, "IgnoreSIGPIPE", + "TTYVHangup", + "TTYReset", + "TTYVTDisallocate", + "PrivateTmp", + "PrivateDevices", + "PrivateNetwork", + "PrivateUsers", + "PrivateMounts", + "PrivateIPC", + "NoNewPrivileges", + "SyslogLevelPrefix", + "MemoryDenyWriteExecute", + "RestrictRealtime", + "DynamicUser", + "RemoveIPC", + "ProtectKernelTunables", + "ProtectKernelModules", + "ProtectKernelLogs", + "ProtectClock", + "ProtectControlGroups", + "MountAPIVFS", + "CPUSchedulingResetOnFork", + "LockPersonality", + "ProtectHostname", + "RestrictSUIDSGID")) + return bus_append_parse_boolean(m, field, eq); + + if (STR_IN_SET(field, "ReadWriteDirectories", + "ReadOnlyDirectories", + "InaccessibleDirectories", + "ReadWritePaths", + "ReadOnlyPaths", + "InaccessiblePaths", + "ExecPaths", + "NoExecPaths", + "ExecSearchPath", + "ExtensionDirectories", + "ConfigurationDirectory", + "SupplementaryGroups", + "SystemCallArchitectures")) + return bus_append_strv(m, field, eq, EXTRACT_UNQUOTE); + + if (STR_IN_SET(field, "SyslogLevel", + "LogLevelMax")) + return bus_append_log_level_from_string(m, field, eq); + + if (streq(field, "SyslogFacility")) + return bus_append_log_facility_unshifted_from_string(m, field, eq); + + if (streq(field, "SecureBits")) + return bus_append_secure_bits_from_string(m, field, eq); + + if (streq(field, "CPUSchedulingPolicy")) + return bus_append_sched_policy_from_string(m, field, eq); + + if (STR_IN_SET(field, "CPUSchedulingPriority", + "OOMScoreAdjust")) + return bus_append_safe_atoi(m, field, eq); + + if (streq(field, "CoredumpFilter")) + return bus_append_coredump_filter_mask_from_string(m, field, eq); + + if (streq(field, "Nice")) + return bus_append_parse_nice(m, field, eq); + + if (streq(field, "SystemCallErrorNumber")) + return bus_append_seccomp_parse_errno_or_action(m, field, eq); + + if (streq(field, "IOSchedulingClass")) + return bus_append_ioprio_class_from_string(m, field, eq); + + if (streq(field, "IOSchedulingPriority")) + return bus_append_ioprio_parse_priority(m, field, eq); + + if (STR_IN_SET(field, "RuntimeDirectoryMode", + "StateDirectoryMode", + "CacheDirectoryMode", + "LogsDirectoryMode", + "ConfigurationDirectoryMode", + "UMask")) + return bus_append_parse_mode(m, field, eq); + + if (streq(field, "TimerSlackNSec")) + return bus_append_parse_nsec(m, field, eq); + + if (streq(field, "LogRateLimitIntervalSec")) + return bus_append_parse_sec_rename(m, field, eq); + + if (STR_IN_SET(field, "LogRateLimitBurst", + "TTYRows", + "TTYColumns")) + return bus_append_safe_atou(m, field, eq); + + if (streq(field, "MountFlags")) + return bus_append_mount_propagation_flags_from_string(m, field, eq); + + if (STR_IN_SET(field, "Environment", + "UnsetEnvironment", + "PassEnvironment")) + return bus_append_strv(m, field, eq, EXTRACT_UNQUOTE|EXTRACT_CUNESCAPE); + + if (streq(field, "EnvironmentFile")) { + if (isempty(eq)) + r = sd_bus_message_append(m, "(sv)", "EnvironmentFiles", "a(sb)", 0); + else + r = sd_bus_message_append(m, "(sv)", "EnvironmentFiles", "a(sb)", 1, + eq[0] == '-' ? eq + 1 : eq, + eq[0] == '-'); + if (r < 0) + return bus_log_create_error(r); + + return 1; + } + + if (STR_IN_SET(field, "SetCredential", "SetCredentialEncrypted")) { + r = sd_bus_message_open_container(m, 'r', "sv"); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_append_basic(m, 's', field); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_open_container(m, 'v', "a(say)"); + if (r < 0) + return bus_log_create_error(r); + + if (isempty(eq)) + r = sd_bus_message_append(m, "a(say)", 0); + else { + _cleanup_free_ char *word = NULL; + const char *p = eq; + + r = extract_first_word(&p, &word, ":", EXTRACT_DONT_COALESCE_SEPARATORS); + if (r == -ENOMEM) + return log_oom(); + if (r < 0) + return log_error_errno(r, "Failed to parse %s= parameter: %s", field, eq); + if (r == 0 || !p) + return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Missing argument to %s=.", field); + + r = sd_bus_message_open_container(m, 'a', "(say)"); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_open_container(m, 'r', "say"); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_append(m, "s", word); + if (r < 0) + return bus_log_create_error(r); + + if (streq(field, "SetCredentialEncrypted")) { + _cleanup_free_ void *decoded = NULL; + size_t decoded_size; + + r = unbase64mem(p, SIZE_MAX, &decoded, &decoded_size); + if (r < 0) + return log_error_errno(r, "Failed to base64 decode encrypted credential: %m"); + + r = sd_bus_message_append_array(m, 'y', decoded, decoded_size); + } else { + _cleanup_free_ char *unescaped = NULL; + ssize_t l; + + l = cunescape(p, UNESCAPE_ACCEPT_NUL, &unescaped); + if (l < 0) + return log_error_errno(l, "Failed to unescape %s= value: %s", field, p); + + r = sd_bus_message_append_array(m, 'y', unescaped, l); + } + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_close_container(m); + } + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + + return 1; + } + + if (STR_IN_SET(field, "LoadCredential", "LoadCredentialEncrypted")) { + r = sd_bus_message_open_container(m, 'r', "sv"); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_append_basic(m, 's', field); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_open_container(m, 'v', "a(ss)"); + if (r < 0) + return bus_log_create_error(r); + + if (isempty(eq)) + r = sd_bus_message_append(m, "a(ss)", 0); + else { + _cleanup_free_ char *word = NULL; + const char *p = eq; + + r = extract_first_word(&p, &word, ":", EXTRACT_DONT_COALESCE_SEPARATORS); + if (r == -ENOMEM) + return log_oom(); + if (r < 0) + return log_error_errno(r, "Failed to parse %s= parameter: %s", field, eq); + if (r == 0) + return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Missing argument to %s=.", field); + + if (isempty(p)) /* If only one field is specified, then this means "inherit from above" */ + p = eq; + + r = sd_bus_message_append(m, "a(ss)", 1, word, p); + } + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + + return 1; + } + + if (streq(field, "LogExtraFields")) { + r = sd_bus_message_open_container(m, 'r', "sv"); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_append_basic(m, 's', "LogExtraFields"); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_open_container(m, 'v', "aay"); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_open_container(m, 'a', "ay"); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_append_array(m, 'y', eq, strlen(eq)); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + + return 1; + } + + if (STR_IN_SET(field, "StandardInput", + "StandardOutput", + "StandardError")) { + const char *n, *appended; + + if ((n = startswith(eq, "fd:"))) { + appended = strjoina(field, "FileDescriptorName"); + r = sd_bus_message_append(m, "(sv)", appended, "s", n); + } else if ((n = startswith(eq, "file:"))) { + appended = strjoina(field, "File"); + r = sd_bus_message_append(m, "(sv)", appended, "s", n); + } else if ((n = startswith(eq, "append:"))) { + appended = strjoina(field, "FileToAppend"); + r = sd_bus_message_append(m, "(sv)", appended, "s", n); + } else if ((n = startswith(eq, "truncate:"))) { + appended = strjoina(field, "FileToTruncate"); + r = sd_bus_message_append(m, "(sv)", appended, "s", n); + } else + r = sd_bus_message_append(m, "(sv)", field, "s", eq); + if (r < 0) + return bus_log_create_error(r); + + return 1; + } + + if (streq(field, "StandardInputText")) { + _cleanup_free_ char *unescaped = NULL; + ssize_t l; + + l = cunescape(eq, 0, &unescaped); + if (l < 0) + return log_error_errno(l, "Failed to unescape text '%s': %m", eq); + + if (!strextend(&unescaped, "\n")) + return log_oom(); + + /* Note that we don't expand specifiers here, but that should be OK, as this is a + * programmatic interface anyway */ + + return bus_append_byte_array(m, field, unescaped, l + 1); + } + + if (streq(field, "StandardInputData")) { + _cleanup_free_ void *decoded = NULL; + size_t sz; + + r = unbase64mem(eq, SIZE_MAX, &decoded, &sz); + if (r < 0) + return log_error_errno(r, "Failed to decode base64 data '%s': %m", eq); + + return bus_append_byte_array(m, field, decoded, sz); + } + + if ((suffix = startswith(field, "Limit"))) { + int rl; + + rl = rlimit_from_string(suffix); + if (rl >= 0) { + const char *sn; + struct rlimit l; + + r = rlimit_parse(rl, eq, &l); + if (r < 0) + return log_error_errno(r, "Failed to parse resource limit: %s", eq); + + r = sd_bus_message_append(m, "(sv)", field, "t", l.rlim_max); + if (r < 0) + return bus_log_create_error(r); + + sn = strjoina(field, "Soft"); + r = sd_bus_message_append(m, "(sv)", sn, "t", l.rlim_cur); + if (r < 0) + return bus_log_create_error(r); + + return 1; + } + } + + if (STR_IN_SET(field, "AppArmorProfile", + "SmackProcessLabel")) { + int ignore = 0; + const char *s = eq; + + if (eq[0] == '-') { + ignore = 1; + s = eq + 1; + } + + r = sd_bus_message_append(m, "(sv)", field, "(bs)", ignore, s); + if (r < 0) + return bus_log_create_error(r); + + return 1; + } + + if (STR_IN_SET(field, "CapabilityBoundingSet", + "AmbientCapabilities")) { + uint64_t sum = 0; + bool invert = false; + const char *p = eq; + + if (*p == '~') { + invert = true; + p++; + } + + r = capability_set_from_string(p, &sum); + if (r < 0) + return log_error_errno(r, "Failed to parse %s value %s: %m", field, eq); + + sum = invert ? ~sum : sum; + + r = sd_bus_message_append(m, "(sv)", field, "t", sum); + if (r < 0) + return bus_log_create_error(r); + + return 1; + } + + if (streq(field, "CPUAffinity")) { + _cleanup_(cpu_set_reset) CPUSet cpuset = {}; + _cleanup_free_ uint8_t *array = NULL; + size_t allocated; + + if (eq && streq(eq, "numa")) { + r = sd_bus_message_append(m, "(sv)", "CPUAffinityFromNUMA", "b", true); + if (r < 0) + return bus_log_create_error(r); + return r; + } + + r = parse_cpu_set(eq, &cpuset); + if (r < 0) + return log_error_errno(r, "Failed to parse %s value: %s", field, eq); + + r = cpu_set_to_dbus(&cpuset, &array, &allocated); + if (r < 0) + return log_error_errno(r, "Failed to serialize CPUAffinity: %m"); + + return bus_append_byte_array(m, field, array, allocated); + } + + if (streq(field, "NUMAPolicy")) { + r = mpol_from_string(eq); + if (r < 0) + return log_error_errno(r, "Failed to parse %s value: %s", field, eq); + + r = sd_bus_message_append(m, "(sv)", field, "i", (int32_t) r); + if (r < 0) + return bus_log_create_error(r); + + return 1; + } + + if (streq(field, "NUMAMask")) { + _cleanup_(cpu_set_reset) CPUSet nodes = {}; + _cleanup_free_ uint8_t *array = NULL; + size_t allocated; + + if (eq && streq(eq, "all")) { + r = numa_mask_add_all(&nodes); + if (r < 0) + return log_error_errno(r, "Failed to create NUMA mask representing \"all\" NUMA nodes: %m"); + } else { + r = parse_cpu_set(eq, &nodes); + if (r < 0) + return log_error_errno(r, "Failed to parse %s value: %s", field, eq); + } + + r = cpu_set_to_dbus(&nodes, &array, &allocated); + if (r < 0) + return log_error_errno(r, "Failed to serialize NUMAMask: %m"); + + return bus_append_byte_array(m, field, array, allocated); + } + + if (STR_IN_SET(field, "RestrictAddressFamilies", + "RestrictFileSystems", + "SystemCallFilter", + "SystemCallLog", + "RestrictNetworkInterfaces")) { + int allow_list = 1; + const char *p = eq; + + if (*p == '~') { + allow_list = 0; + p++; + } + + r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT, "sv"); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, field); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_open_container(m, 'v', "(bas)"); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_open_container(m, 'r', "bas"); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_append_basic(m, 'b', &allow_list); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_open_container(m, 'a', "s"); + if (r < 0) + return bus_log_create_error(r); + + for (;;) { + _cleanup_free_ char *word = NULL; + + r = extract_first_word(&p, &word, NULL, EXTRACT_UNQUOTE); + if (r == 0) + break; + if (r == -ENOMEM) + return log_oom(); + if (r < 0) + return log_error_errno(r, "Invalid syntax: %s", eq); + + r = sd_bus_message_append_basic(m, 's', word); + if (r < 0) + return bus_log_create_error(r); + } + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + + return 1; + } + + if (streq(field, "RestrictNamespaces")) { + bool invert = false; + unsigned long flags; + + r = parse_boolean(eq); + if (r > 0) + flags = 0; + else if (r == 0) + flags = NAMESPACE_FLAGS_ALL; + else { + if (eq[0] == '~') { + invert = true; + eq++; + } + + r = namespace_flags_from_string(eq, &flags); + if (r < 0) + return log_error_errno(r, "Failed to parse %s value %s.", field, eq); + } + + if (invert) + flags = (~flags) & NAMESPACE_FLAGS_ALL; + + r = sd_bus_message_append(m, "(sv)", field, "t", (uint64_t) flags); + if (r < 0) + return bus_log_create_error(r); + + return 1; + } + + if (STR_IN_SET(field, "BindPaths", + "BindReadOnlyPaths")) { + const char *p = eq; + + r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT, "sv"); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, field); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_open_container(m, 'v', "a(ssbt)"); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_open_container(m, 'a', "(ssbt)"); + if (r < 0) + return bus_log_create_error(r); + + for (;;) { + _cleanup_free_ char *source = NULL, *destination = NULL; + char *s = NULL, *d = NULL; + bool ignore_enoent = false; + uint64_t flags = MS_REC; + + r = extract_first_word(&p, &source, ":" WHITESPACE, EXTRACT_UNQUOTE|EXTRACT_DONT_COALESCE_SEPARATORS); + if (r < 0) + return log_error_errno(r, "Failed to parse argument: %m"); + if (r == 0) + break; + + s = source; + if (s[0] == '-') { + ignore_enoent = true; + s++; + } + + if (p && p[-1] == ':') { + r = extract_first_word(&p, &destination, ":" WHITESPACE, EXTRACT_UNQUOTE|EXTRACT_DONT_COALESCE_SEPARATORS); + if (r < 0) + return log_error_errno(r, "Failed to parse argument: %m"); + if (r == 0) + return log_error_errno(SYNTHETIC_ERRNO(EINVAL), + "Missing argument after ':': %s", + eq); + + d = destination; + + if (p && p[-1] == ':') { + _cleanup_free_ char *options = NULL; + + r = extract_first_word(&p, &options, NULL, EXTRACT_UNQUOTE); + if (r < 0) + return log_error_errno(r, "Failed to parse argument: %m"); + + if (isempty(options) || streq(options, "rbind")) + flags = MS_REC; + else if (streq(options, "norbind")) + flags = 0; + else + return log_error_errno(SYNTHETIC_ERRNO(EINVAL), + "Unknown options: %s", + eq); + } + } else + d = s; + + r = sd_bus_message_append(m, "(ssbt)", s, d, ignore_enoent, flags); + if (r < 0) + return bus_log_create_error(r); + } + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + + return 1; + } + + if (streq(field, "TemporaryFileSystem")) { + const char *p = eq; + + r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT, "sv"); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, field); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_open_container(m, 'v', "a(ss)"); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_open_container(m, 'a', "(ss)"); + if (r < 0) + return bus_log_create_error(r); + + for (;;) { + _cleanup_free_ char *word = NULL, *path = NULL; + const char *w; + + r = extract_first_word(&p, &word, NULL, EXTRACT_UNQUOTE); + if (r < 0) + return log_error_errno(r, "Failed to parse argument: %m"); + if (r == 0) + break; + + w = word; + r = extract_first_word(&w, &path, ":", EXTRACT_DONT_COALESCE_SEPARATORS); + if (r < 0) + return log_error_errno(r, "Failed to parse argument: %m"); + if (r == 0) + return log_error_errno(SYNTHETIC_ERRNO(EINVAL), + "Failed to parse argument: %s", + p); + + r = sd_bus_message_append(m, "(ss)", path, w); + if (r < 0) + return bus_log_create_error(r); + } + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + + return 1; + } + + if (streq(field, "RootHash")) { + _cleanup_free_ void *roothash_decoded = NULL; + size_t roothash_decoded_size = 0; + + /* We have the path to a roothash to load and decode, eg: RootHash=/foo/bar.roothash */ + if (path_is_absolute(eq)) + return bus_append_string(m, "RootHashPath", eq); + + /* We have a roothash to decode, eg: RootHash=012345789abcdef */ + r = unhexmem(eq, strlen(eq), &roothash_decoded, &roothash_decoded_size); + if (r < 0) + return log_error_errno(r, "Failed to decode RootHash= '%s': %m", eq); + if (roothash_decoded_size < sizeof(sd_id128_t)) + return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "RootHash= '%s' is too short: %m", eq); + + return bus_append_byte_array(m, field, roothash_decoded, roothash_decoded_size); + } + + if (streq(field, "RootHashSignature")) { + _cleanup_free_ void *roothash_sig_decoded = NULL; + char *value; + size_t roothash_sig_decoded_size = 0; + + /* We have the path to a roothash signature to load and decode, eg: RootHash=/foo/bar.roothash.p7s */ + if (path_is_absolute(eq)) + return bus_append_string(m, "RootHashSignaturePath", eq); + + if (!(value = startswith(eq, "base64:"))) + return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Failed to decode RootHashSignature= '%s', not a path but doesn't start with 'base64:': %m", eq); + + /* We have a roothash signature to decode, eg: RootHashSignature=base64:012345789abcdef */ + r = unbase64mem(value, strlen(value), &roothash_sig_decoded, &roothash_sig_decoded_size); + if (r < 0) + return log_error_errno(r, "Failed to decode RootHashSignature= '%s': %m", eq); + + return bus_append_byte_array(m, field, roothash_sig_decoded, roothash_sig_decoded_size); + } + + if (streq(field, "RootImageOptions")) { + _cleanup_strv_free_ char **l = NULL; + const char *p = eq; + + r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT, "sv"); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, field); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_open_container(m, 'v', "a(ss)"); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_open_container(m, 'a', "(ss)"); + if (r < 0) + return bus_log_create_error(r); + + r = strv_split_colon_pairs(&l, p); + if (r < 0) + return log_error_errno(r, "Failed to parse argument: %m"); + + STRV_FOREACH_PAIR(first, second, l) { + r = sd_bus_message_append(m, "(ss)", + !isempty(*second) ? *first : "root", + !isempty(*second) ? *second : *first); + if (r < 0) + return bus_log_create_error(r); + } + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + + return 1; + } + + if (streq(field, "MountImages")) { + const char *p = eq; + + r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT, "sv"); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, field); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_open_container(m, 'v', "a(ssba(ss))"); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_open_container(m, 'a', "(ssba(ss))"); + if (r < 0) + return bus_log_create_error(r); + + for (;;) { + _cleanup_free_ char *first = NULL, *second = NULL, *tuple = NULL; + const char *q = NULL, *source = NULL; + bool permissive = false; + + r = extract_first_word(&p, &tuple, NULL, EXTRACT_UNQUOTE|EXTRACT_RETAIN_ESCAPE); + if (r < 0) + return log_error_errno(r, "Failed to parse MountImages= property: %s", eq); + if (r == 0) + break; + + q = tuple; + r = extract_many_words(&q, ":", EXTRACT_CUNESCAPE|EXTRACT_UNESCAPE_SEPARATORS, &first, &second, NULL); + if (r < 0) + return log_error_errno(r, "Failed to parse MountImages= property: %s", eq); + if (r == 0) + continue; + + source = first; + if (source[0] == '-') { + permissive = true; + source++; + } + + if (isempty(second)) + return log_error_errno(SYNTHETIC_ERRNO(EINVAL), + "Missing argument after ':': %s", + eq); + + r = sd_bus_message_open_container(m, 'r', "ssba(ss)"); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_append(m, "ssb", source, second, permissive); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_open_container(m, 'a', "(ss)"); + if (r < 0) + return bus_log_create_error(r); + + for (;;) { + _cleanup_free_ char *partition = NULL, *mount_options = NULL; + + r = extract_many_words(&q, ":", EXTRACT_CUNESCAPE|EXTRACT_UNESCAPE_SEPARATORS, &partition, &mount_options, NULL); + if (r < 0) + return log_error_errno(r, "Failed to parse MountImages= property: %s", eq); + if (r == 0) + break; + /* Single set of options, applying to the root partition/single filesystem */ + if (r == 1) { + r = sd_bus_message_append(m, "(ss)", "root", partition); + if (r < 0) + return bus_log_create_error(r); + + break; + } + + r = sd_bus_message_append(m, "(ss)", partition, mount_options); + if (r < 0) + return bus_log_create_error(r); + } + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + } + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + + return 1; + } + + if (streq(field, "ExtensionImages")) { + const char *p = eq; + + r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT, "sv"); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, field); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_open_container(m, 'v', "a(sba(ss))"); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_open_container(m, 'a', "(sba(ss))"); + if (r < 0) + return bus_log_create_error(r); + + for (;;) { + _cleanup_free_ char *source = NULL, *tuple = NULL; + const char *q = NULL, *s = NULL; + bool permissive = false; + + r = extract_first_word(&p, &tuple, NULL, EXTRACT_UNQUOTE|EXTRACT_RETAIN_ESCAPE); + if (r < 0) + return log_error_errno(r, "Failed to parse ExtensionImages= property: %s", eq); + if (r == 0) + break; + + q = tuple; + r = extract_first_word(&q, &source, ":", EXTRACT_CUNESCAPE|EXTRACT_UNESCAPE_SEPARATORS); + if (r < 0) + return log_error_errno(r, "Failed to parse ExtensionImages= property: %s", eq); + if (r == 0) + continue; + + s = source; + if (s[0] == '-') { + permissive = true; + s++; + } + + r = sd_bus_message_open_container(m, 'r', "sba(ss)"); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_append(m, "sb", s, permissive); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_open_container(m, 'a', "(ss)"); + if (r < 0) + return bus_log_create_error(r); + + for (;;) { + _cleanup_free_ char *partition = NULL, *mount_options = NULL; + + r = extract_many_words(&q, ":", EXTRACT_CUNESCAPE|EXTRACT_UNESCAPE_SEPARATORS, &partition, &mount_options, NULL); + if (r < 0) + return log_error_errno(r, "Failed to parse ExtensionImages= property: %s", eq); + if (r == 0) + break; + /* Single set of options, applying to the root partition/single filesystem */ + if (r == 1) { + r = sd_bus_message_append(m, "(ss)", "root", partition); + if (r < 0) + return bus_log_create_error(r); + + break; + } + + r = sd_bus_message_append(m, "(ss)", partition, mount_options); + if (r < 0) + return bus_log_create_error(r); + } + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + } + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + + return 1; + } + + if (STR_IN_SET(field, "StateDirectory", "RuntimeDirectory", "CacheDirectory", "LogsDirectory")) { + _cleanup_strv_free_ char **symlinks = NULL, **sources = NULL; + const char *p = eq; + + /* Adding new directories is supported from both *DirectorySymlink methods and the + * older ones, so first parse the input, and if we are given a new-style src:dst + * tuple use the new method, else use the old one. */ + + for (;;) { + _cleanup_free_ char *tuple = NULL, *source = NULL, *destination = NULL; + + r = extract_first_word(&p, &tuple, NULL, EXTRACT_UNQUOTE); + if (r < 0) + return log_error_errno(r, "Failed to parse argument: %m"); + if (r == 0) + break; + + const char *t = tuple; + r = extract_many_words(&t, ":", EXTRACT_UNQUOTE|EXTRACT_DONT_COALESCE_SEPARATORS, &source, &destination, NULL); + if (r <= 0) + return log_error_errno(r ?: SYNTHETIC_ERRNO(EINVAL), "Failed to parse argument: %m"); + + path_simplify(source); + + if (isempty(destination)) { + r = strv_consume(&sources, TAKE_PTR(source)); + if (r < 0) + return bus_log_create_error(r); + } else { + path_simplify(destination); + + r = strv_consume_pair(&symlinks, TAKE_PTR(source), TAKE_PTR(destination)); + if (r < 0) + return log_oom(); + } + } + + if (!strv_isempty(sources)) { + r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT, "sv"); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, field); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_open_container(m, 'v', "as"); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_append_strv(m, sources); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + } + + /* For State and Runtime directories we support an optional destination parameter, which + * will be used to create a symlink to the source. But it is new so we cannot change the + * old DBUS signatures, so append a new message type. */ + if (!strv_isempty(symlinks)) { + const char *symlink_field; + + r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT, "sv"); + if (r < 0) + return bus_log_create_error(r); + + if (streq(field, "StateDirectory")) + symlink_field = "StateDirectorySymlink"; + else if (streq(field, "RuntimeDirectory")) + symlink_field = "RuntimeDirectorySymlink"; + else if (streq(field, "CacheDirectory")) + symlink_field = "CacheDirectorySymlink"; + else if (streq(field, "LogsDirectory")) + symlink_field = "LogsDirectorySymlink"; + else + assert_not_reached(); + + r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, symlink_field); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_open_container(m, 'v', "a(sst)"); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_open_container(m, 'a', "(sst)"); + if (r < 0) + return bus_log_create_error(r); + + STRV_FOREACH_PAIR(source, destination, symlinks) { + r = sd_bus_message_append(m, "(sst)", *source, *destination, 0); + if (r < 0) + return bus_log_create_error(r); + } + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + } + + return 1; + } + + return 0; +} + +static int bus_append_kill_property(sd_bus_message *m, const char *field, const char *eq) { + if (streq(field, "KillMode")) + return bus_append_string(m, field, eq); + + if (STR_IN_SET(field, "SendSIGHUP", + "SendSIGKILL")) + return bus_append_parse_boolean(m, field, eq); + + if (STR_IN_SET(field, "KillSignal", + "RestartKillSignal", + "FinalKillSignal", + "WatchdogSignal")) + return bus_append_signal_from_string(m, field, eq); + + return 0; +} + +static int bus_append_mount_property(sd_bus_message *m, const char *field, const char *eq) { + + if (STR_IN_SET(field, "What", + "Where", + "Options", + "Type")) + return bus_append_string(m, field, eq); + + if (streq(field, "TimeoutSec")) + return bus_append_parse_sec_rename(m, field, eq); + + if (streq(field, "DirectoryMode")) + return bus_append_parse_mode(m, field, eq); + + if (STR_IN_SET(field, "SloppyOptions", + "LazyUnmount", + "ForceUnmount", + "ReadwriteOnly")) + return bus_append_parse_boolean(m, field, eq); + + return 0; +} + +static int bus_append_path_property(sd_bus_message *m, const char *field, const char *eq) { + int r; + + if (streq(field, "MakeDirectory")) + return bus_append_parse_boolean(m, field, eq); + + if (streq(field, "DirectoryMode")) + return bus_append_parse_mode(m, field, eq); + + if (STR_IN_SET(field, "PathExists", + "PathExistsGlob", + "PathChanged", + "PathModified", + "DirectoryNotEmpty")) { + if (isempty(eq)) + r = sd_bus_message_append(m, "(sv)", "Paths", "a(ss)", 0); + else + r = sd_bus_message_append(m, "(sv)", "Paths", "a(ss)", 1, field, eq); + if (r < 0) + return bus_log_create_error(r); + + return 1; + } + + if (streq(field, "TriggerLimitBurst")) + return bus_append_safe_atou(m, field, eq); + + if (streq(field, "TriggerLimitIntervalSec")) + return bus_append_parse_sec_rename(m, field, eq); + + return 0; +} + +static int bus_append_scope_property(sd_bus_message *m, const char *field, const char *eq) { + if (streq(field, "RuntimeMaxSec")) + return bus_append_parse_sec_rename(m, field, eq); + + if (streq(field, "RuntimeRandomizedExtraSec")) + return bus_append_parse_sec_rename(m, field, eq); + + if (streq(field, "TimeoutStopSec")) + return bus_append_parse_sec_rename(m, field, eq); + + /* Scope units don't have execution context but we still want to allow setting these two, + * so let's handle them separately. */ + if (STR_IN_SET(field, "User", "Group")) + return bus_append_string(m, field, eq); + + if (streq(field, "OOMPolicy")) + return bus_append_string(m, field, eq); + + return 0; +} + +static int bus_append_service_property(sd_bus_message *m, const char *field, const char *eq) { + int r; + + if (STR_IN_SET(field, "PIDFile", + "Type", + "ExitType", + "Restart", + "BusName", + "NotifyAccess", + "USBFunctionDescriptors", + "USBFunctionStrings", + "OOMPolicy", + "TimeoutStartFailureMode", + "TimeoutStopFailureMode")) + return bus_append_string(m, field, eq); + + if (STR_IN_SET(field, "PermissionsStartOnly", + "RootDirectoryStartOnly", + "RemainAfterExit", + "GuessMainPID")) + return bus_append_parse_boolean(m, field, eq); + + if (STR_IN_SET(field, "RestartSec", + "TimeoutStartSec", + "TimeoutStopSec", + "TimeoutAbortSec", + "RuntimeMaxSec", + "RuntimeRandomizedExtraSec", + "WatchdogSec")) + return bus_append_parse_sec_rename(m, field, eq); + + if (streq(field, "TimeoutSec")) { + r = bus_append_parse_sec_rename(m, "TimeoutStartSec", eq); + if (r < 0) + return r; + + return bus_append_parse_sec_rename(m, "TimeoutStopSec", eq); + } + + if (streq(field, "FileDescriptorStoreMax")) + return bus_append_safe_atou(m, field, eq); + + if (STR_IN_SET(field, "ExecCondition", + "ExecStartPre", + "ExecStart", + "ExecStartPost", + "ExecConditionEx", + "ExecStartPreEx", + "ExecStartEx", + "ExecStartPostEx", + "ExecReload", + "ExecStop", + "ExecStopPost", + "ExecReloadEx", + "ExecStopEx", + "ExecStopPostEx")) + return bus_append_exec_command(m, field, eq); + + if (STR_IN_SET(field, "RestartPreventExitStatus", + "RestartForceExitStatus", + "SuccessExitStatus")) { + _cleanup_free_ int *status = NULL, *signal = NULL; + size_t n_status = 0, n_signal = 0; + const char *p; + + for (p = eq;;) { + _cleanup_free_ char *word = NULL; + + r = extract_first_word(&p, &word, NULL, EXTRACT_UNQUOTE); + if (r == 0) + break; + if (r == -ENOMEM) + return log_oom(); + if (r < 0) + return log_error_errno(r, "Invalid syntax in %s: %s", field, eq); + + /* We need to call exit_status_from_string() first, because we want + * to parse numbers as exit statuses, not signals. */ + + r = exit_status_from_string(word); + if (r >= 0) { + assert(r >= 0 && r < 256); + + status = reallocarray(status, n_status + 1, sizeof(int)); + if (!status) + return log_oom(); + + status[n_status++] = r; + + } else if ((r = signal_from_string(word)) >= 0) { + signal = reallocarray(signal, n_signal + 1, sizeof(int)); + if (!signal) + return log_oom(); + + signal[n_signal++] = r; + + } else + /* original r from exit_status_to_string() */ + return log_error_errno(r, "Invalid status or signal %s in %s: %m", + word, field); + } + + r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT, "sv"); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, field); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_open_container(m, 'v', "(aiai)"); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_open_container(m, 'r', "aiai"); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_append_array(m, 'i', status, n_status * sizeof(int)); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_append_array(m, 'i', signal, n_signal * sizeof(int)); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_close_container(m); + if (r < 0) + return bus_log_create_error(r); + + return 1; + } + + return 0; +} + +static int bus_append_socket_property(sd_bus_message *m, const char *field, const char *eq) { + int r; + + if (STR_IN_SET(field, "Accept", + "FlushPending", + "Writable", + "KeepAlive", + "NoDelay", + "FreeBind", + "Transparent", + "Broadcast", + "PassCredentials", + "PassSecurity", + "PassPacketInfo", + "ReusePort", + "RemoveOnStop", + "SELinuxContextFromNet")) + return bus_append_parse_boolean(m, field, eq); + + if (STR_IN_SET(field, "Priority", + "IPTTL", + "Mark")) + return bus_append_safe_atoi(m, field, eq); + + if (streq(field, "IPTOS")) + return bus_append_ip_tos_from_string(m, field, eq); + + if (STR_IN_SET(field, "Backlog", + "MaxConnections", + "MaxConnectionsPerSource", + "KeepAliveProbes", + "TriggerLimitBurst")) + return bus_append_safe_atou(m, field, eq); + + if (STR_IN_SET(field, "SocketMode", + "DirectoryMode")) + return bus_append_parse_mode(m, field, eq); + + if (STR_IN_SET(field, "MessageQueueMaxMessages", + "MessageQueueMessageSize")) + return bus_append_safe_atoi64(m, field, eq); + + if (STR_IN_SET(field, "TimeoutSec", + "KeepAliveTimeSec", + "KeepAliveIntervalSec", + "DeferAcceptSec", + "TriggerLimitIntervalSec")) + return bus_append_parse_sec_rename(m, field, eq); + + if (STR_IN_SET(field, "ReceiveBuffer", + "SendBuffer", + "PipeSize")) + return bus_append_parse_size(m, field, eq, 1024); + + if (STR_IN_SET(field, "ExecStartPre", + "ExecStartPost", + "ExecReload", + "ExecStopPost")) + return bus_append_exec_command(m, field, eq); + + if (STR_IN_SET(field, "SmackLabel", + "SmackLabelIPIn", + "SmackLabelIPOut", + "TCPCongestion", + "BindToDevice", + "BindIPv6Only", + "FileDescriptorName", + "SocketUser", + "SocketGroup", + "Timestamping")) + return bus_append_string(m, field, eq); + + if (streq(field, "Symlinks")) + return bus_append_strv(m, field, eq, EXTRACT_UNQUOTE); + + if (streq(field, "SocketProtocol")) + return bus_append_parse_ip_protocol(m, field, eq); + + if (STR_IN_SET(field, "ListenStream", + "ListenDatagram", + "ListenSequentialPacket", + "ListenNetlink", + "ListenSpecial", + "ListenMessageQueue", + "ListenFIFO", + "ListenUSBFunction")) { + if (isempty(eq)) + r = sd_bus_message_append(m, "(sv)", "Listen", "a(ss)", 0); + else + r = sd_bus_message_append(m, "(sv)", "Listen", "a(ss)", 1, field + STRLEN("Listen"), eq); + if (r < 0) + return bus_log_create_error(r); + + return 1; + } + + return 0; +} +static int bus_append_timer_property(sd_bus_message *m, const char *field, const char *eq) { + int r; + + if (STR_IN_SET(field, "WakeSystem", + "RemainAfterElapse", + "Persistent", + "OnTimezoneChange", + "OnClockChange", + "FixedRandomDelay")) + return bus_append_parse_boolean(m, field, eq); + + if (STR_IN_SET(field, "AccuracySec", + "RandomizedDelaySec")) + return bus_append_parse_sec_rename(m, field, eq); + + if (STR_IN_SET(field, "OnActiveSec", + "OnBootSec", + "OnStartupSec", + "OnUnitActiveSec", + "OnUnitInactiveSec")) { + if (isempty(eq)) + r = sd_bus_message_append(m, "(sv)", "TimersMonotonic", "a(st)", 0); + else { + usec_t t; + r = parse_sec(eq, &t); + if (r < 0) + return log_error_errno(r, "Failed to parse %s=%s: %m", field, eq); + + r = sd_bus_message_append(m, "(sv)", "TimersMonotonic", "a(st)", 1, field, t); + } + if (r < 0) + return bus_log_create_error(r); + + return 1; + } + + if (streq(field, "OnCalendar")) { + if (isempty(eq)) + r = sd_bus_message_append(m, "(sv)", "TimersCalendar", "a(ss)", 0); + else + r = sd_bus_message_append(m, "(sv)", "TimersCalendar", "a(ss)", 1, field, eq); + if (r < 0) + return bus_log_create_error(r); + + return 1; + } + + return 0; +} + +static int bus_append_unit_property(sd_bus_message *m, const char *field, const char *eq) { + ConditionType t = _CONDITION_TYPE_INVALID; + bool is_condition = false; + int r; + + if (STR_IN_SET(field, "Description", + "SourcePath", + "OnFailureJobMode", + "JobTimeoutAction", + "JobTimeoutRebootArgument", + "StartLimitAction", + "FailureAction", + "SuccessAction", + "RebootArgument", + "CollectMode")) + return bus_append_string(m, field, eq); + + if (STR_IN_SET(field, "StopWhenUnneeded", + "RefuseManualStart", + "RefuseManualStop", + "AllowIsolate", + "IgnoreOnIsolate", + "DefaultDependencies")) + return bus_append_parse_boolean(m, field, eq); + + if (STR_IN_SET(field, "JobTimeoutSec", + "JobRunningTimeoutSec", + "StartLimitIntervalSec")) + return bus_append_parse_sec_rename(m, field, eq); + + if (streq(field, "StartLimitBurst")) + return bus_append_safe_atou(m, field, eq); + + if (STR_IN_SET(field, "SuccessActionExitStatus", + "FailureActionExitStatus")) { + if (isempty(eq)) + r = sd_bus_message_append(m, "(sv)", field, "i", -1); + else { + uint8_t u; + + r = safe_atou8(eq, &u); + if (r < 0) + return log_error_errno(r, "Failed to parse %s=%s", field, eq); + + r = sd_bus_message_append(m, "(sv)", field, "i", (int) u); + } + if (r < 0) + return bus_log_create_error(r); + + return 1; + } + + if (unit_dependency_from_string(field) >= 0 || + STR_IN_SET(field, "Documentation", + "RequiresMountsFor", + "Markers")) + return bus_append_strv(m, field, eq, EXTRACT_UNQUOTE); + + t = condition_type_from_string(field); + if (t >= 0) + is_condition = true; + else + t = assert_type_from_string(field); + if (t >= 0) { + if (isempty(eq)) + r = sd_bus_message_append(m, "(sv)", is_condition ? "Conditions" : "Asserts", "a(sbbs)", 0); + else { + const char *p = eq; + int trigger, negate; + + trigger = *p == '|'; + if (trigger) + p++; + + negate = *p == '!'; + if (negate) + p++; + + r = sd_bus_message_append(m, "(sv)", is_condition ? "Conditions" : "Asserts", "a(sbbs)", 1, + field, trigger, negate, p); + } + if (r < 0) + return bus_log_create_error(r); + + return 1; + } + + return 0; +} + +int bus_append_unit_property_assignment(sd_bus_message *m, UnitType t, const char *assignment) { + const char *eq, *field; + int r; + + assert(m); + assert(assignment); + + eq = strchr(assignment, '='); + if (!eq) + return log_error_errno(SYNTHETIC_ERRNO(EINVAL), + "Not an assignment: %s", assignment); + + field = strndupa_safe(assignment, eq - assignment); + eq++; + + switch (t) { + case UNIT_SERVICE: + r = bus_append_cgroup_property(m, field, eq); + if (r != 0) + return r; + + r = bus_append_execute_property(m, field, eq); + if (r != 0) + return r; + + r = bus_append_kill_property(m, field, eq); + if (r != 0) + return r; + + r = bus_append_service_property(m, field, eq); + if (r != 0) + return r; + break; + + case UNIT_SOCKET: + r = bus_append_cgroup_property(m, field, eq); + if (r != 0) + return r; + + r = bus_append_execute_property(m, field, eq); + if (r != 0) + return r; + + r = bus_append_kill_property(m, field, eq); + if (r != 0) + return r; + + r = bus_append_socket_property(m, field, eq); + if (r != 0) + return r; + break; + + case UNIT_TIMER: + r = bus_append_timer_property(m, field, eq); + if (r != 0) + return r; + break; + + case UNIT_PATH: + r = bus_append_path_property(m, field, eq); + if (r != 0) + return r; + break; + + case UNIT_SLICE: + r = bus_append_cgroup_property(m, field, eq); + if (r != 0) + return r; + break; + + case UNIT_SCOPE: + r = bus_append_cgroup_property(m, field, eq); + if (r != 0) + return r; + + r = bus_append_kill_property(m, field, eq); + if (r != 0) + return r; + + r = bus_append_scope_property(m, field, eq); + if (r != 0) + return r; + break; + + case UNIT_MOUNT: + r = bus_append_cgroup_property(m, field, eq); + if (r != 0) + return r; + + r = bus_append_execute_property(m, field, eq); + if (r != 0) + return r; + + r = bus_append_kill_property(m, field, eq); + if (r != 0) + return r; + + r = bus_append_mount_property(m, field, eq); + if (r != 0) + return r; + + break; + + case UNIT_AUTOMOUNT: + r = bus_append_automount_property(m, field, eq); + if (r != 0) + return r; + + break; + + case UNIT_TARGET: + case UNIT_DEVICE: + case UNIT_SWAP: + break; + + default: + assert_not_reached(); + } + + r = bus_append_unit_property(m, field, eq); + if (r != 0) + return r; + + return log_error_errno(SYNTHETIC_ERRNO(EINVAL), + "Unknown assignment: %s", assignment); +} + +int bus_append_unit_property_assignment_many(sd_bus_message *m, UnitType t, char **l) { + int r; + + assert(m); + + STRV_FOREACH(i, l) { + r = bus_append_unit_property_assignment(m, t, *i); + if (r < 0) + return r; + } + + return 0; +} + +int bus_deserialize_and_dump_unit_file_changes(sd_bus_message *m, bool quiet, InstallChange **changes, size_t *n_changes) { + const char *type, *path, *source; + int r; + + /* changes is dereferenced when calling install_changes_dump() later, + * so we have to make sure this is not NULL. */ + assert(changes); + assert(n_changes); + + r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sss)"); + if (r < 0) + return bus_log_parse_error(r); + + while ((r = sd_bus_message_read(m, "(sss)", &type, &path, &source)) > 0) { + InstallChangeType t; + + /* We expect only "success" changes to be sent over the bus. Hence, reject anything + * negative. */ + t = install_change_type_from_string(type); + if (t < 0) { + log_notice_errno(t, "Manager reported unknown change type \"%s\" for path \"%s\", ignoring.", + type, path); + continue; + } + + r = install_changes_add(changes, n_changes, t, path, source); + if (r < 0) + return r; + } + if (r < 0) + return bus_log_parse_error(r); + + r = sd_bus_message_exit_container(m); + if (r < 0) + return bus_log_parse_error(r); + + install_changes_dump(0, NULL, *changes, *n_changes, quiet); + return 0; +} + +int unit_load_state(sd_bus *bus, const char *name, char **load_state) { + _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; + _cleanup_free_ char *path = NULL; + int r; + + path = unit_dbus_path_from_name(name); + if (!path) + return log_oom(); + + /* This function warns on its own, because otherwise it'd be awkward to pass + * the dbus error message around. */ + + r = sd_bus_get_property_string( + bus, + "org.freedesktop.systemd1", + path, + "org.freedesktop.systemd1.Unit", + "LoadState", + &error, + load_state); + if (r < 0) + return log_error_errno(r, "Failed to get load state of %s: %s", name, bus_error_message(&error, r)); + + return 0; +} + +int unit_info_compare(const UnitInfo *a, const UnitInfo *b) { + int r; + + /* First, order by machine */ + r = strcasecmp_ptr(a->machine, b->machine); + if (r != 0) + return r; + + /* Second, order by unit type */ + r = strcasecmp_ptr(strrchr(a->id, '.'), strrchr(b->id, '.')); + if (r != 0) + return r; + + /* Third, order by name */ + return strcasecmp(a->id, b->id); +} |