| /* SPDX-License-Identifier: LGPL-2.1+ */ |
| |
| #include "alloc-util.h" |
| #include "bus-error.h" |
| #include "bus-unit-util.h" |
| #include "bus-util.h" |
| #include "cap-list.h" |
| #include "cgroup-util.h" |
| #include "condition.h" |
| #include "cpu-set-util.h" |
| #include "escape.h" |
| #include "exec-util.h" |
| #include "exit-status.h" |
| #include "hexdecoct.h" |
| #include "hostname-util.h" |
| #include "in-addr-util.h" |
| #include "ip-protocol-list.h" |
| #include "locale-util.h" |
| #include "log.h" |
| #include "missing_fs.h" |
| #include "mountpoint-util.h" |
| #include "nsflags.h" |
| #include "parse-util.h" |
| #include "process-util.h" |
| #include "rlimit-util.h" |
| #include "securebits-util.h" |
| #include "signal-util.h" |
| #include "socket-util.h" |
| #include "sort-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); |
| DEFINE_BUS_APPEND_PARSE("i", parse_errno); |
| 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, 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); |
| |
| 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_extract(&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")) |
| |
| return bus_append_string(m, field, eq); |
| |
| 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", "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, "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 (isempty(eq) || 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; |
| } |
| |
| r = parse_permille(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_t) (((uint64_t) r * UINT32_MAX) / 1000U)); |
| 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_permille_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) / 1000U)); |
| } |
| |
| 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(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(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(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(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; |
| } |
| |
| return 0; |
| } |
| |
| static int bus_append_automount_property(sd_bus_message *m, const char *field, const char *eq) { |
| |
| if (streq(field, "Where")) |
| |
| 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", |
| "RuntimeDirectoryPreserve", "Personality", "KeyringMode", "NetworkNamespacePath")) |
| |
| return bus_append_string(m, field, eq); |
| |
| if (STR_IN_SET(field, |
| "IgnoreSIGPIPE", "TTYVHangup", "TTYReset", "TTYVTDisallocate", "PrivateTmp", |
| "PrivateDevices", "PrivateNetwork", "PrivateUsers", "PrivateMounts", |
| "NoNewPrivileges", "SyslogLevelPrefix", "MemoryDenyWriteExecute", "RestrictRealtime", |
| "DynamicUser", "RemoveIPC", "ProtectKernelTunables", "ProtectKernelModules", |
| "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", |
| "RuntimeDirectory", "StateDirectory", "CacheDirectory", "LogsDirectory", "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, "Nice")) |
| |
| return bus_append_parse_nice(m, field, eq); |
| |
| if (streq(field, "SystemCallErrorNumber")) |
| |
| return bus_append_parse_errno(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 (streq(field, "LogRateLimitBurst")) |
| |
| 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 (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 |
| 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; |
| |
| r = cunescape(eq, 0, &unescaped); |
| if (r < 0) |
| return log_error_errno(r, "Failed to unescape text '%s': %m", eq); |
| |
| if (!strextend(&unescaped, "\n", NULL)) |
| 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, strlen(unescaped)); |
| } |
| |
| if (streq(field, "StandardInputData")) { |
| _cleanup_free_ void *decoded = NULL; |
| size_t sz; |
| |
| r = unbase64mem(eq, (size_t) -1, &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; |
| |
| 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; |
| |
| 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", "SystemCallFilter")) { |
| int whitelist = 1; |
| const char *p = eq; |
| |
| if (*p == '~') { |
| whitelist = 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', &whitelist); |
| 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; |
| } |
| |
| 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", "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")) |
| |
| 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; |
| } |
| |
| 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", "Restart", "BusName", "NotifyAccess", |
| "USBFunctionDescriptors", "USBFunctionStrings", "OOMPolicy")) |
| |
| 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", "RuntimeMaxSec", "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", |
| "ExecStartPreEx", "ExecStartEx", "ExecStartPostEx", |
| "ExecReload", "ExecStop", "ExecStopPost")) |
| 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", "Writable", "KeepAlive", "NoDelay", "FreeBind", "Transparent", "Broadcast", |
| "PassCredentials", "PassSecurity", "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")) |
| |
| 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")) |
| |
| 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")) |
| |
| 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(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: |
| |
| if (streq(field, "TimeoutStopSec")) |
| return bus_append_parse_sec_rename(m, field, eq); |
| |
| 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; |
| 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: |
| return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
| "Not supported unit type"); |
| |
| default: |
| return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
| "Invalid unit type"); |
| } |
| |
| 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) { |
| char **i; |
| 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, UnitFileChange **changes, size_t *n_changes) { |
| const char *type, *path, *source; |
| int r; |
| |
| /* changes is dereferenced when calling unit_file_dump_changes() 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) { |
| /* We expect only "success" changes to be sent over the bus. |
| Hence, reject anything negative. */ |
| UnitFileChangeType ch = unit_file_change_type_from_string(type); |
| |
| if (ch < 0) { |
| log_notice("Manager reported unknown change type \"%s\" for path \"%s\", ignoring.", type, path); |
| continue; |
| } |
| |
| r = unit_file_changes_add(changes, n_changes, ch, 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); |
| |
| unit_file_dump_changes(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 it's 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; |
| } |