/* SPDX-License-Identifier: LGPL-2.1+ */
#include "alloc-util.h"
-#include "bus-internal.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 "env-util.h"
-#include "errno-list.h"
#include "escape.h"
-#include "hashmap.h"
#include "hexdecoct.h"
#include "hostname-util.h"
#include "in-addr-util.h"
-#include "list.h"
+#include "ip-protocol-list.h"
#include "locale-util.h"
-#include "mount-util.h"
+#include "log.h"
+#include "missing_fs.h"
+#include "mountpoint-util.h"
#include "nsflags.h"
#include "parse-util.h"
-#include "path-util.h"
#include "process-util.h"
#include "rlimit-util.h"
#include "securebits-util.h"
#include "signal-util.h"
-#include "socket-protocol-list.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"
-#include "util.h"
int bus_parse_unit_info(sd_bus_message *message, UnitInfo *u) {
assert(message);
int r; \
\
r = parse_func(eq); \
- if (r < 0) { \
- log_error("Failed to parse %s: %s", field, eq); \
- return -EINVAL; \
- } \
+ 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); \
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", socket_protocol_from_name);
+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("u", uint32_t, unsigned, safe_atou);
DEFINE_BUS_APPEND_PARSE_PTR("x", int64_t, int64_t, safe_atoi64);
-static inline int bus_append_string(sd_bus_message *m, const char *field, const char *eq) {
+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);
case '+':
case '!':
/* The bus API doesn't support +, ! and !! currently, unfortunately. :-( */
- log_error("Sorry, but +, ! and !! are currently not supported for transient services.");
- return -EOPNOTSUPP;
+ return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
+ "Sorry, but +, ! and !! are currently not supported for transient services.");
default:
done = true;
return bus_append_cg_blkio_weight_parse(m, field, eq);
+ if (streq(field, "DisableControllers"))
+
+ return bus_append_strv(m, "DisableControllers", eq, EXTRACT_QUOTES);
+
if (streq(field, "Delegate")) {
r = parse_boolean(eq);
return 1;
}
- if (STR_IN_SET(field, "MemoryLow", "MemoryHigh", "MemoryMax", "MemorySwapMax", "MemoryLimit", "TasksMax")) {
+ 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);
return 1;
}
- r = parse_percent(eq);
+ 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 */
+ /* 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) UINT32_MAX * r) / 100U));
+ 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);
if (isempty(eq))
r = sd_bus_message_append(m, "(sv)", "CPUQuotaPerSecUSec", "t", USEC_INFINITY);
else {
- r = parse_percent_unbounded(eq);
- if (r <= 0) {
- log_error_errno(r, "CPU quota '%s' invalid.", eq);
- return -EINVAL;
- }
+ 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", (usec_t) r * USEC_PER_SEC / 100U);
+ r = sd_bus_message_append(m, "(sv)", "CPUQuotaPerSecUSec", "t", (((uint64_t) r * USEC_PER_SEC) / 1000U));
}
if (r < 0)
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))
uint64_t bytes;
e = strchr(eq, ' ');
- if (!e) {
- log_error("Failed to parse %s value %s.", field, eq);
- return -EINVAL;
- }
+ 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")) {
+ if (streq(bandwidth, "infinity"))
bytes = CGROUP_LIMIT_MAX;
- } else {
+ else {
r = parse_size(bandwidth, 1000, &bytes);
if (r < 0)
return log_error_errno(r, "Failed to parse byte value %s: %m", bandwidth);
uint64_t u;
e = strchr(eq, ' ');
- if (!e) {
- log_error("Failed to parse %s value %s.", field, eq);
- return -EINVAL;
- }
+ 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;
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 = {};
return bus_log_create_error(r);
} else {
- r = in_addr_prefix_from_string_auto(eq, &family, &prefix, &prefixlen);
- if (r < 0)
- return log_error_errno(r, "Failed to parse IP address prefix: %s", eq);
+ for (;;) {
+ _cleanup_free_ char *word = NULL;
- r = bus_append_ip_address_access(m, family, &prefix, prefixlen);
- if (r < 0)
- return bus_log_create_error(r);
+ 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);
"UtmpIdentifier", "UtmpMode", "PAMName", "TTYPath",
"WorkingDirectory", "RootDirectory", "SyslogIdentifier",
"ProtectSystem", "ProtectHome", "SELinuxContext", "RootImage",
- "RuntimeDirectoryPreserve", "Personality", "KeyringMode"))
+ "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"))
+ "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);
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);
} 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);
r = extract_first_word(&p, &destination, ":" WHITESPACE, EXTRACT_QUOTES|EXTRACT_DONT_COALESCE_SEPARATORS);
if (r < 0)
return log_error_errno(r, "Failed to parse argument: %m");
- if (r == 0) {
- log_error("Missing argument after ':': %s", eq);
- return -EINVAL;
- }
+ if (r == 0)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Missing argument after ':': %s",
+ eq);
d = destination;
flags = MS_REC;
else if (streq(options, "norbind"))
flags = 0;
- else {
- log_error("Unknown options: %s", eq);
- return -EINVAL;
- }
+ else
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Unknown options: %s",
+ eq);
}
} else
d = s;
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) {
- log_error("Failed to parse argument: %s", p);
- return -EINVAL;
- }
+ 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_append_parse_boolean(m, field, eq);
- if (streq(field, "KillSignal"))
+ if (STR_IN_SET(field, "KillSignal", "FinalKillSignal", "WatchdogSignal"))
return bus_append_signal_from_string(m, field, eq);
if (STR_IN_SET(field,
"PIDFile", "Type", "Restart", "BusName", "NotifyAccess",
- "USBFunctionDescriptors", "USBFunctionStrings"))
+ "USBFunctionDescriptors", "USBFunctionStrings", "OOMPolicy"))
return bus_append_string(m, field, eq);
if (streq(field, "SocketProtocol"))
- return bus_append_socket_protocol_from_name(m, field, eq);
+ return bus_append_parse_ip_protocol(m, field, eq);
if (STR_IN_SET(field,
"ListenStream", "ListenDatagram", "ListenSequentialPacket", "ListenNetlink",
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"))
+ if (STR_IN_SET(field, "WakeSystem", "RemainAfterElapse", "Persistent",
+ "OnTimezoneChange", "OnClockChange"))
return bus_append_parse_boolean(m, field, eq);
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"))
assert(assignment);
eq = strchr(assignment, '=');
- if (!eq) {
- log_error("Not an assignment: %s", assignment);
- return -EINVAL;
- }
+ if (!eq)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Not an assignment: %s", assignment);
field = strndupa(assignment, eq - assignment);
eq++;
case UNIT_TARGET:
case UNIT_DEVICE:
case UNIT_SWAP:
- log_error("Not supported unit type");
- return -EINVAL;
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Not supported unit type");
default:
- log_error("Invalid unit type");
- return -EINVAL;
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Invalid unit type");
}
r = bus_append_unit_property(m, field, eq);
if (r != 0)
return r;
- log_error("Unknown assignment: %s", assignment);
- return -EINVAL;
+ 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) {
return 0;
}
-typedef struct BusWaitForJobs {
- sd_bus *bus;
- Set *jobs;
-
- char *name;
- char *result;
-
- sd_bus_slot *slot_job_removed;
- sd_bus_slot *slot_disconnected;
-} BusWaitForJobs;
-
-static int match_disconnected(sd_bus_message *m, void *userdata, sd_bus_error *error) {
- assert(m);
-
- log_error("Warning! D-Bus connection terminated.");
- sd_bus_close(sd_bus_message_get_bus(m));
-
- return 0;
-}
-
-static int match_job_removed(sd_bus_message *m, void *userdata, sd_bus_error *error) {
- const char *path, *unit, *result;
- BusWaitForJobs *d = userdata;
- uint32_t id;
- char *found;
- int r;
-
- assert(m);
- assert(d);
-
- r = sd_bus_message_read(m, "uoss", &id, &path, &unit, &result);
- if (r < 0) {
- bus_log_parse_error(r);
- return 0;
- }
-
- found = set_remove(d->jobs, (char*) path);
- if (!found)
- return 0;
-
- free(found);
-
- if (!isempty(result))
- d->result = strdup(result);
-
- if (!isempty(unit))
- d->name = strdup(unit);
-
- return 0;
-}
-
-void bus_wait_for_jobs_free(BusWaitForJobs *d) {
- if (!d)
- return;
-
- set_free_free(d->jobs);
-
- sd_bus_slot_unref(d->slot_disconnected);
- sd_bus_slot_unref(d->slot_job_removed);
-
- sd_bus_unref(d->bus);
-
- free(d->name);
- free(d->result);
-
- free(d);
-}
-
-int bus_wait_for_jobs_new(sd_bus *bus, BusWaitForJobs **ret) {
- _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *d = NULL;
- int r;
-
- assert(bus);
- assert(ret);
-
- d = new0(BusWaitForJobs, 1);
- if (!d)
- return -ENOMEM;
-
- d->bus = sd_bus_ref(bus);
-
- /* When we are a bus client we match by sender. Direct
- * connections OTOH have no initialized sender field, and
- * hence we ignore the sender then */
- r = sd_bus_match_signal_async(
- bus,
- &d->slot_job_removed,
- bus->bus_client ? "org.freedesktop.systemd1" : NULL,
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "JobRemoved",
- match_job_removed, NULL, d);
- if (r < 0)
- return r;
-
- r = sd_bus_match_signal_async(
- bus,
- &d->slot_disconnected,
- "org.freedesktop.DBus.Local",
- NULL,
- "org.freedesktop.DBus.Local",
- "Disconnected",
- match_disconnected, NULL, d);
- if (r < 0)
- return r;
-
- *ret = TAKE_PTR(d);
-
- return 0;
-}
-
-static int bus_process_wait(sd_bus *bus) {
- int r;
-
- for (;;) {
- r = sd_bus_process(bus, NULL);
- if (r < 0)
- return r;
- if (r > 0)
- return 0;
-
- r = sd_bus_wait(bus, (uint64_t) -1);
- if (r < 0)
- return r;
- }
-}
-
-static int bus_job_get_service_result(BusWaitForJobs *d, char **result) {
- _cleanup_free_ char *dbus_path = NULL;
-
- assert(d);
- assert(d->name);
- assert(result);
-
- if (!endswith(d->name, ".service"))
- return -EINVAL;
-
- dbus_path = unit_dbus_path_from_name(d->name);
- if (!dbus_path)
- return -ENOMEM;
-
- return sd_bus_get_property_string(d->bus,
- "org.freedesktop.systemd1",
- dbus_path,
- "org.freedesktop.systemd1.Service",
- "Result",
- NULL,
- result);
-}
-
-static const struct {
- const char *result, *explanation;
-} explanations [] = {
- { "resources", "of unavailable resources or another system error" },
- { "protocol", "the service did not take the steps required by its unit configuration" },
- { "timeout", "a timeout was exceeded" },
- { "exit-code", "the control process exited with error code" },
- { "signal", "a fatal signal was delivered to the control process" },
- { "core-dump", "a fatal signal was delivered causing the control process to dump core" },
- { "watchdog", "the service failed to send watchdog ping" },
- { "start-limit", "start of the service was attempted too often" }
-};
-
-static void log_job_error_with_service_result(const char* service, const char *result, const char* const* extra_args) {
- _cleanup_free_ char *service_shell_quoted = NULL;
- const char *systemctl = "systemctl", *journalctl = "journalctl";
-
- assert(service);
-
- service_shell_quoted = shell_maybe_quote(service, ESCAPE_BACKSLASH);
-
- if (!strv_isempty((char**) extra_args)) {
- _cleanup_free_ char *t;
-
- t = strv_join((char**) extra_args, " ");
- systemctl = strjoina("systemctl ", t ? : "<args>");
- journalctl = strjoina("journalctl ", t ? : "<args>");
- }
-
- if (!isempty(result)) {
- unsigned i;
-
- for (i = 0; i < ELEMENTSOF(explanations); ++i)
- if (streq(result, explanations[i].result))
- break;
-
- if (i < ELEMENTSOF(explanations)) {
- log_error("Job for %s failed because %s.\n"
- "See \"%s status %s\" and \"%s -xe\" for details.\n",
- service,
- explanations[i].explanation,
- systemctl,
- service_shell_quoted ?: "<service>",
- journalctl);
- goto finish;
- }
- }
-
- log_error("Job for %s failed.\n"
- "See \"%s status %s\" and \"%s -xe\" for details.\n",
- service,
- systemctl,
- service_shell_quoted ?: "<service>",
- journalctl);
-
-finish:
- /* For some results maybe additional explanation is required */
- if (streq_ptr(result, "start-limit"))
- log_info("To force a start use \"%1$s reset-failed %2$s\"\n"
- "followed by \"%1$s start %2$s\" again.",
- systemctl,
- service_shell_quoted ?: "<service>");
-}
-
-static int check_wait_response(BusWaitForJobs *d, bool quiet, const char* const* extra_args) {
- assert(d->result);
-
- if (!quiet) {
- if (streq(d->result, "canceled"))
- log_error("Job for %s canceled.", strna(d->name));
- else if (streq(d->result, "timeout"))
- log_error("Job for %s timed out.", strna(d->name));
- else if (streq(d->result, "dependency"))
- log_error("A dependency job for %s failed. See 'journalctl -xe' for details.", strna(d->name));
- else if (streq(d->result, "invalid"))
- log_error("%s is not active, cannot reload.", strna(d->name));
- else if (streq(d->result, "assert"))
- log_error("Assertion failed on job for %s.", strna(d->name));
- else if (streq(d->result, "unsupported"))
- log_error("Operation on or unit type of %s not supported on this system.", strna(d->name));
- else if (streq(d->result, "collected"))
- log_error("Queued job for %s was garbage collected.", strna(d->name));
- else if (streq(d->result, "once"))
- log_error("Unit %s was started already once and can't be started again.", strna(d->name));
- else if (!STR_IN_SET(d->result, "done", "skipped")) {
- if (d->name) {
- _cleanup_free_ char *result = NULL;
- int q;
-
- q = bus_job_get_service_result(d, &result);
- if (q < 0)
- log_debug_errno(q, "Failed to get Result property of unit %s: %m", d->name);
-
- log_job_error_with_service_result(d->name, result, extra_args);
- } else
- log_error("Job failed. See \"journalctl -xe\" for details.");
- }
- }
-
- if (STR_IN_SET(d->result, "canceled", "collected"))
- return -ECANCELED;
- else if (streq(d->result, "timeout"))
- return -ETIME;
- else if (streq(d->result, "dependency"))
- return -EIO;
- else if (streq(d->result, "invalid"))
- return -ENOEXEC;
- else if (streq(d->result, "assert"))
- return -EPROTO;
- else if (streq(d->result, "unsupported"))
- return -EOPNOTSUPP;
- else if (streq(d->result, "once"))
- return -ESTALE;
- else if (STR_IN_SET(d->result, "done", "skipped"))
- return 0;
-
- log_debug("Unexpected job result, assuming server side newer than us: %s", d->result);
- return -EIO;
-}
-
-int bus_wait_for_jobs(BusWaitForJobs *d, bool quiet, const char* const* extra_args) {
- int r = 0;
-
- assert(d);
-
- while (!set_isempty(d->jobs)) {
- int q;
-
- q = bus_process_wait(d->bus);
- if (q < 0)
- return log_error_errno(q, "Failed to wait for response: %m");
-
- if (d->result) {
- q = check_wait_response(d, quiet, extra_args);
- /* Return the first error as it is most likely to be
- * meaningful. */
- if (q < 0 && r == 0)
- r = q;
-
- log_debug_errno(q, "Got result %s/%m for job %s", strna(d->result), strna(d->name));
- }
-
- d->name = mfree(d->name);
- d->result = mfree(d->result);
- }
-
- return r;
-}
-
-int bus_wait_for_jobs_add(BusWaitForJobs *d, const char *path) {
- int r;
-
- assert(d);
-
- r = set_ensure_allocated(&d->jobs, &string_hash_ops);
- if (r < 0)
- return r;
-
- return set_put_strdup(d->jobs, path);
-}
-
-int bus_wait_for_jobs_one(BusWaitForJobs *d, const char *path, bool quiet) {
- int r;
-
- r = bus_wait_for_jobs_add(d, path);
- if (r < 0)
- return log_oom();
-
- return bus_wait_for_jobs(d, quiet, NULL);
-}
-
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;
return 0;
}
-struct CGroupInfo {
- char *cgroup_path;
- bool is_const; /* If false, cgroup_path should be free()'d */
-
- Hashmap *pids; /* PID → process name */
- bool done;
-
- struct CGroupInfo *parent;
- LIST_FIELDS(struct CGroupInfo, siblings);
- LIST_HEAD(struct CGroupInfo, children);
- size_t n_children;
-};
-
-static bool IS_ROOT(const char *p) {
- return isempty(p) || streq(p, "/");
-}
-
-static int add_cgroup(Hashmap *cgroups, const char *path, bool is_const, struct CGroupInfo **ret) {
- struct CGroupInfo *parent = NULL, *cg;
- int r;
-
- assert(cgroups);
- assert(ret);
-
- if (IS_ROOT(path))
- path = "/";
-
- cg = hashmap_get(cgroups, path);
- if (cg) {
- *ret = cg;
- return 0;
- }
-
- if (!IS_ROOT(path)) {
- const char *e, *pp;
-
- e = strrchr(path, '/');
- if (!e)
- return -EINVAL;
-
- pp = strndupa(path, e - path);
- if (!pp)
- return -ENOMEM;
-
- r = add_cgroup(cgroups, pp, false, &parent);
- if (r < 0)
- return r;
- }
-
- cg = new0(struct CGroupInfo, 1);
- if (!cg)
- return -ENOMEM;
-
- if (is_const)
- cg->cgroup_path = (char*) path;
- else {
- cg->cgroup_path = strdup(path);
- if (!cg->cgroup_path) {
- free(cg);
- return -ENOMEM;
- }
- }
-
- cg->is_const = is_const;
- cg->parent = parent;
-
- r = hashmap_put(cgroups, cg->cgroup_path, cg);
- if (r < 0) {
- if (!is_const)
- free(cg->cgroup_path);
- free(cg);
- return r;
- }
-
- if (parent) {
- LIST_PREPEND(siblings, parent->children, cg);
- parent->n_children++;
- }
-
- *ret = cg;
- return 1;
-}
-
-static int add_process(
- Hashmap *cgroups,
- const char *path,
- pid_t pid,
- const char *name) {
-
- struct CGroupInfo *cg;
- int r;
-
- assert(cgroups);
- assert(name);
- assert(pid > 0);
-
- r = add_cgroup(cgroups, path, true, &cg);
- if (r < 0)
- return r;
-
- r = hashmap_ensure_allocated(&cg->pids, &trivial_hash_ops);
- if (r < 0)
- return r;
-
- return hashmap_put(cg->pids, PID_TO_PTR(pid), (void*) name);
-}
-
-static void remove_cgroup(Hashmap *cgroups, struct CGroupInfo *cg) {
- assert(cgroups);
- assert(cg);
-
- while (cg->children)
- remove_cgroup(cgroups, cg->children);
-
- hashmap_remove(cgroups, cg->cgroup_path);
-
- if (!cg->is_const)
- free(cg->cgroup_path);
-
- hashmap_free(cg->pids);
-
- if (cg->parent)
- LIST_REMOVE(siblings, cg->parent->children, cg);
-
- free(cg);
-}
-
-static int cgroup_info_compare_func(const void *a, const void *b) {
- const struct CGroupInfo *x = *(const struct CGroupInfo* const*) a, *y = *(const struct CGroupInfo* const*) b;
-
- assert(x);
- assert(y);
-
- return strcmp(x->cgroup_path, y->cgroup_path);
-}
-
-static int dump_processes(
- Hashmap *cgroups,
- const char *cgroup_path,
- const char *prefix,
- unsigned n_columns,
- OutputFlags flags) {
-
- struct CGroupInfo *cg;
- int r;
-
- assert(prefix);
-
- if (IS_ROOT(cgroup_path))
- cgroup_path = "/";
-
- cg = hashmap_get(cgroups, cgroup_path);
- if (!cg)
- return 0;
-
- if (!hashmap_isempty(cg->pids)) {
- const char *name;
- size_t n = 0, i;
- pid_t *pids;
- void *pidp;
- Iterator j;
- int width;
-
- /* Order processes by their PID */
- pids = newa(pid_t, hashmap_size(cg->pids));
-
- HASHMAP_FOREACH_KEY(name, pidp, cg->pids, j)
- pids[n++] = PTR_TO_PID(pidp);
-
- assert(n == hashmap_size(cg->pids));
- qsort_safe(pids, n, sizeof(pid_t), pid_compare_func);
-
- width = DECIMAL_STR_WIDTH(pids[n-1]);
-
- for (i = 0; i < n; i++) {
- _cleanup_free_ char *e = NULL;
- const char *special;
- bool more;
-
- name = hashmap_get(cg->pids, PID_TO_PTR(pids[i]));
- assert(name);
-
- if (n_columns != 0) {
- unsigned k;
-
- k = MAX(LESS_BY(n_columns, 2U + width + 1U), 20U);
-
- e = ellipsize(name, k, 100);
- if (e)
- name = e;
- }
-
- more = i+1 < n || cg->children;
- special = special_glyph(more ? TREE_BRANCH : TREE_RIGHT);
-
- fprintf(stdout, "%s%s%*"PID_PRI" %s\n",
- prefix,
- special,
- width, pids[i],
- name);
- }
- }
-
- if (cg->children) {
- struct CGroupInfo **children, *child;
- size_t n = 0, i;
-
- /* Order subcgroups by their name */
- children = newa(struct CGroupInfo*, cg->n_children);
- LIST_FOREACH(siblings, child, cg->children)
- children[n++] = child;
- assert(n == cg->n_children);
- qsort_safe(children, n, sizeof(struct CGroupInfo*), cgroup_info_compare_func);
-
- if (n_columns != 0)
- n_columns = MAX(LESS_BY(n_columns, 2U), 20U);
-
- for (i = 0; i < n; i++) {
- _cleanup_free_ char *pp = NULL;
- const char *name, *special;
- bool more;
-
- child = children[i];
-
- name = strrchr(child->cgroup_path, '/');
- if (!name)
- return -EINVAL;
- name++;
-
- more = i+1 < n;
- special = special_glyph(more ? TREE_BRANCH : TREE_RIGHT);
-
- fputs(prefix, stdout);
- fputs(special, stdout);
- fputs(name, stdout);
- fputc('\n', stdout);
-
- special = special_glyph(more ? TREE_VERTICAL : TREE_SPACE);
-
- pp = strappend(prefix, special);
- if (!pp)
- return -ENOMEM;
-
- r = dump_processes(cgroups, child->cgroup_path, pp, n_columns, flags);
- if (r < 0)
- return r;
- }
- }
-
- cg->done = true;
- return 0;
-}
-
-static int dump_extra_processes(
- Hashmap *cgroups,
- const char *prefix,
- unsigned n_columns,
- OutputFlags flags) {
-
- _cleanup_free_ pid_t *pids = NULL;
- _cleanup_hashmap_free_ Hashmap *names = NULL;
- struct CGroupInfo *cg;
- size_t n_allocated = 0, n = 0, k;
- Iterator i;
- int width, r;
-
- /* Prints the extra processes, i.e. those that are in cgroups we haven't displayed yet. We show them as
- * combined, sorted, linear list. */
-
- HASHMAP_FOREACH(cg, cgroups, i) {
- const char *name;
- void *pidp;
- Iterator j;
-
- if (cg->done)
- continue;
-
- if (hashmap_isempty(cg->pids))
- continue;
-
- r = hashmap_ensure_allocated(&names, &trivial_hash_ops);
- if (r < 0)
- return r;
-
- if (!GREEDY_REALLOC(pids, n_allocated, n + hashmap_size(cg->pids)))
- return -ENOMEM;
-
- HASHMAP_FOREACH_KEY(name, pidp, cg->pids, j) {
- pids[n++] = PTR_TO_PID(pidp);
-
- r = hashmap_put(names, pidp, (void*) name);
- if (r < 0)
- return r;
- }
- }
-
- if (n == 0)
- return 0;
-
- qsort_safe(pids, n, sizeof(pid_t), pid_compare_func);
- width = DECIMAL_STR_WIDTH(pids[n-1]);
-
- for (k = 0; k < n; k++) {
- _cleanup_free_ char *e = NULL;
- const char *name;
-
- name = hashmap_get(names, PID_TO_PTR(pids[k]));
- assert(name);
-
- if (n_columns != 0) {
- unsigned z;
-
- z = MAX(LESS_BY(n_columns, 2U + width + 1U), 20U);
-
- e = ellipsize(name, z, 100);
- if (e)
- name = e;
- }
-
- fprintf(stdout, "%s%s %*" PID_PRI " %s\n",
- prefix,
- special_glyph(TRIANGULAR_BULLET),
- width, pids[k],
- name);
- }
-
- return 0;
-}
-
-int unit_show_processes(
- sd_bus *bus,
- const char *unit,
- const char *cgroup_path,
- const char *prefix,
- unsigned n_columns,
- OutputFlags flags,
- sd_bus_error *error) {
-
- _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
- Hashmap *cgroups = NULL;
- struct CGroupInfo *cg;
- int r;
-
- assert(bus);
- assert(unit);
-
- if (flags & OUTPUT_FULL_WIDTH)
- n_columns = 0;
- else if (n_columns <= 0)
- n_columns = columns();
-
- prefix = strempty(prefix);
-
- r = sd_bus_call_method(
- bus,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "GetUnitProcesses",
- error,
- &reply,
- "s",
- unit);
- if (r < 0)
- return r;
-
- cgroups = hashmap_new(&path_hash_ops);
- if (!cgroups)
- return -ENOMEM;
-
- r = sd_bus_message_enter_container(reply, 'a', "(sus)");
- if (r < 0)
- goto finish;
-
- for (;;) {
- const char *path = NULL, *name = NULL;
- uint32_t pid;
-
- r = sd_bus_message_read(reply, "(sus)", &path, &pid, &name);
- if (r < 0)
- goto finish;
- if (r == 0)
- break;
-
- r = add_process(cgroups, path, pid, name);
- if (r < 0)
- goto finish;
- }
-
- r = sd_bus_message_exit_container(reply);
- if (r < 0)
- goto finish;
-
- r = dump_processes(cgroups, cgroup_path, prefix, n_columns, flags);
- if (r < 0)
- goto finish;
-
- r = dump_extra_processes(cgroups, prefix, n_columns, flags);
-
-finish:
- while ((cg = hashmap_first(cgroups)))
- remove_cgroup(cgroups, cg);
-
- hashmap_free(cgroups);
-
- return r;
-}
-
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;
projects / thirdparty / systemd.git / blobdiff