#include <sys/epoll.h>
#include <signal.h>
#include <arpa/inet.h>
+#include <netinet/tcp.h>
#include <mqueue.h>
+#include <sys/xattr.h>
-#include "unit.h"
-#include "socket.h"
-#include "netinet/tcp.h"
+#include "sd-event.h"
#include "log.h"
#include "load-dropin.h"
#include "load-fragment.h"
#include "mkdir.h"
#include "path-util.h"
#include "unit-name.h"
-#include "dbus-socket.h"
+#include "unit-printf.h"
#include "missing.h"
#include "special.h"
-#include "bus-errors.h"
#include "label.h"
#include "exit-status.h"
#include "def.h"
+#include "smack-util.h"
+#include "bus-util.h"
+#include "bus-error.h"
+#include "dbus-socket.h"
+#include "unit.h"
+#include "socket.h"
static const UnitActiveState state_translation_table[_SOCKET_STATE_MAX] = {
[SOCKET_DEAD] = UNIT_INACTIVE,
[SOCKET_START_PRE] = UNIT_ACTIVATING,
+ [SOCKET_START_CHOWN] = UNIT_ACTIVATING,
[SOCKET_START_POST] = UNIT_ACTIVATING,
[SOCKET_LISTENING] = UNIT_ACTIVE,
[SOCKET_RUNNING] = UNIT_ACTIVE,
[SOCKET_FAILED] = UNIT_FAILED
};
+static int socket_dispatch_io(sd_event_source *source, int fd, uint32_t revents, void *userdata);
+static int socket_dispatch_timer(sd_event_source *source, usec_t usec, void *userdata);
+
static void socket_init(Unit *u) {
Socket *s = SOCKET(u);
assert(u->load_state == UNIT_STUB);
s->backlog = SOMAXCONN;
- s->timeout_usec = DEFAULT_TIMEOUT_USEC;
+ s->timeout_usec = u->manager->default_timeout_start_usec;
s->directory_mode = 0755;
s->socket_mode = 0666;
s->ip_ttl = -1;
s->mark = -1;
- exec_context_init(&s->exec_context);
s->exec_context.std_output = u->manager->default_std_output;
s->exec_context.std_error = u->manager->default_std_error;
- kill_context_init(&s->kill_context);
s->control_command_id = _SOCKET_EXEC_COMMAND_INVALID;
}
s->control_pid = 0;
}
-static void socket_done(Unit *u) {
- Socket *s = SOCKET(u);
+void socket_free_ports(Socket *s) {
SocketPort *p;
assert(s);
while ((p = s->ports)) {
- LIST_REMOVE(SocketPort, port, s->ports, p);
+ LIST_REMOVE(port, s->ports, p);
- if (p->fd >= 0) {
- unit_unwatch_fd(UNIT(s), &p->fd_watch);
- close_nointr_nofail(p->fd);
- }
+ sd_event_source_unref(p->event_source);
+ safe_close(p->fd);
free(p->path);
free(p);
}
+}
- exec_context_done(&s->exec_context);
+static void socket_done(Unit *u) {
+ Socket *s = SOCKET(u);
+
+ assert(s);
+
+ socket_free_ports(s);
+
+ s->exec_runtime = exec_runtime_unref(s->exec_runtime);
exec_command_free_array(s->exec_command, _SOCKET_EXEC_COMMAND_MAX);
s->control_command = NULL;
free(s->bind_to_device);
s->bind_to_device = NULL;
- unit_unwatch_timer(u, &s->timer_watch);
+ free(s->smack);
+ free(s->smack_ip_in);
+ free(s->smack_ip_out);
+
+ strv_free(s->symlinks);
+
+ free(s->user);
+ free(s->group);
+
+ s->timer_event_source = sd_event_source_unref(s->timer_event_source);
}
-static int socket_instantiate_service(Socket *s) {
- char *prefix, *name;
+static int socket_arm_timer(Socket *s) {
+ int r;
+
+ assert(s);
+
+ if (s->timeout_usec <= 0) {
+ s->timer_event_source = sd_event_source_unref(s->timer_event_source);
+ return 0;
+ }
+
+ if (s->timer_event_source) {
+ r = sd_event_source_set_time(s->timer_event_source, now(CLOCK_MONOTONIC) + s->timeout_usec);
+ if (r < 0)
+ return r;
+
+ return sd_event_source_set_enabled(s->timer_event_source, SD_EVENT_ONESHOT);
+ }
+
+ return sd_event_add_time(
+ UNIT(s)->manager->event,
+ &s->timer_event_source,
+ CLOCK_MONOTONIC,
+ now(CLOCK_MONOTONIC) + s->timeout_usec, 0,
+ socket_dispatch_timer, s);
+}
+
+int socket_instantiate_service(Socket *s) {
+ _cleanup_free_ char *prefix = NULL, *name = NULL;
int r;
Unit *u;
* here. For Accept=no this is mostly a NOP since the service
* is figured out at load time anyway. */
- if (UNIT_DEREF(s->service))
+ if (UNIT_DEREF(s->service) || !s->accept)
return 0;
- assert(s->accept);
-
- if (!(prefix = unit_name_to_prefix(UNIT(s)->id)))
+ prefix = unit_name_to_prefix(UNIT(s)->id);
+ if (!prefix)
return -ENOMEM;
- r = asprintf(&name, "%s@%u.service", prefix, s->n_accepted);
- free(prefix);
-
- if (r < 0)
+ if (asprintf(&name, "%s@%u.service", prefix, s->n_accepted) < 0)
return -ENOMEM;
r = manager_load_unit(UNIT(s)->manager, name, NULL, NULL, &u);
- free(name);
-
if (r < 0)
return r;
-#ifdef HAVE_SYSV_COMPAT
- if (SERVICE(u)->is_sysv) {
- log_error("Using SysV services for socket activation is not supported. Refusing.");
- return -ENOENT;
- }
-#endif
-
u->no_gc = true;
unit_ref_set(&s->service, u);
return false;
}
-static int socket_verify(Socket *s) {
- assert(s);
-
- if (UNIT(s)->load_state != UNIT_LOADED)
- return 0;
+static int socket_add_mount_links(Socket *s) {
+ SocketPort *p;
+ int r;
- if (!s->ports) {
- log_error("%s lacks Listen setting. Refusing.", UNIT(s)->id);
- return -EINVAL;
- }
+ assert(s);
- if (s->accept && have_non_accept_socket(s)) {
- log_error("%s configured for accepting sockets, but sockets are non-accepting. Refusing.", UNIT(s)->id);
- return -EINVAL;
- }
+ LIST_FOREACH(port, p, s->ports) {
+ const char *path = NULL;
- if (s->accept && s->max_connections <= 0) {
- log_error("%s's MaxConnection setting too small. Refusing.", UNIT(s)->id);
- return -EINVAL;
- }
+ if (p->type == SOCKET_SOCKET)
+ path = socket_address_get_path(&p->address);
+ else if (p->type == SOCKET_FIFO || p->type == SOCKET_SPECIAL)
+ path = p->path;
- if (s->accept && UNIT_DEREF(s->service)) {
- log_error("Explicit service configuration for accepting sockets not supported on %s. Refusing.", UNIT(s)->id);
- return -EINVAL;
- }
+ if (!path)
+ continue;
- if (s->exec_context.pam_name && s->kill_context.kill_mode != KILL_CONTROL_GROUP) {
- log_error("%s has PAM enabled. Kill mode must be set to 'control-group'. Refusing.", UNIT(s)->id);
- return -EINVAL;
+ r = unit_require_mounts_for(UNIT(s), path);
+ if (r < 0)
+ return r;
}
return 0;
}
-static bool socket_needs_mount(Socket *s, const char *prefix) {
- SocketPort *p;
+static int socket_add_device_link(Socket *s) {
+ char *t;
assert(s);
- LIST_FOREACH(port, p, s->ports) {
+ if (!s->bind_to_device || streq(s->bind_to_device, "lo"))
+ return 0;
- if (p->type == SOCKET_SOCKET) {
- if (socket_address_needs_mount(&p->address, prefix))
- return true;
- } else if (p->type == SOCKET_FIFO || p->type == SOCKET_SPECIAL) {
- if (path_startswith(p->path, prefix))
- return true;
- }
+ t = strappenda("/sys/subsystem/net/devices/", s->bind_to_device);
+ return unit_add_node_link(UNIT(s), t, false);
+}
+
+static int socket_add_default_dependencies(Socket *s) {
+ int r;
+ assert(s);
+
+ r = unit_add_dependency_by_name(UNIT(s), UNIT_BEFORE, SPECIAL_SOCKETS_TARGET, NULL, true);
+ if (r < 0)
+ return r;
+
+ if (UNIT(s)->manager->running_as == SYSTEMD_SYSTEM) {
+ r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, SPECIAL_SYSINIT_TARGET, NULL, true);
+ if (r < 0)
+ return r;
}
+ return unit_add_two_dependencies_by_name(UNIT(s), UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true);
+}
+
+_pure_ static bool socket_has_exec(Socket *s) {
+ unsigned i;
+ assert(s);
+
+ for (i = 0; i < _SOCKET_EXEC_COMMAND_MAX; i++)
+ if (s->exec_command[i])
+ return true;
+
return false;
}
-int socket_add_one_mount_link(Socket *s, Mount *m) {
+static int socket_add_extras(Socket *s) {
+ Unit *u = UNIT(s);
int r;
assert(s);
- assert(m);
- if (UNIT(s)->load_state != UNIT_LOADED ||
- UNIT(m)->load_state != UNIT_LOADED)
- return 0;
+ if (have_non_accept_socket(s)) {
- if (!socket_needs_mount(s, m->where))
- return 0;
+ if (!UNIT_DEREF(s->service)) {
+ Unit *x;
+
+ r = unit_load_related_unit(u, ".service", &x);
+ if (r < 0)
+ return r;
+
+ unit_ref_set(&s->service, x);
+ }
- if ((r = unit_add_two_dependencies(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, UNIT(m), true)) < 0)
+ r = unit_add_two_dependencies(u, UNIT_BEFORE, UNIT_TRIGGERS, UNIT_DEREF(s->service), true);
+ if (r < 0)
+ return r;
+ }
+
+ r = socket_add_mount_links(s);
+ if (r < 0)
return r;
- return 0;
-}
+ r = socket_add_device_link(s);
+ if (r < 0)
+ return r;
-static int socket_add_mount_links(Socket *s) {
- Unit *other;
- int r;
+ r = unit_patch_contexts(u);
+ if (r < 0)
+ return r;
- assert(s);
+ if (socket_has_exec(s)) {
+ r = unit_add_exec_dependencies(u, &s->exec_context);
+ if (r < 0)
+ return r;
- LIST_FOREACH(units_by_type, other, UNIT(s)->manager->units_by_type[UNIT_MOUNT])
- if ((r = socket_add_one_mount_link(s, MOUNT(other))) < 0)
+ r = unit_add_default_slice(u, &s->cgroup_context);
+ if (r < 0)
return r;
+ }
+
+ if (u->default_dependencies) {
+ r = socket_add_default_dependencies(s);
+ if (r < 0)
+ return r;
+ }
return 0;
}
-static int socket_add_device_link(Socket *s) {
- char *t;
- int r;
+static const char *socket_find_symlink_target(Socket *s) {
+ const char *found = NULL;
+ SocketPort *p;
- assert(s);
+ LIST_FOREACH(port, p, s->ports) {
+ const char *f = NULL;
- if (!s->bind_to_device)
- return 0;
+ switch (p->type) {
- if (asprintf(&t, "/sys/subsystem/net/devices/%s", s->bind_to_device) < 0)
- return -ENOMEM;
+ case SOCKET_FIFO:
+ f = p->path;
+ break;
- r = unit_add_node_link(UNIT(s), t, false);
- free(t);
+ case SOCKET_SOCKET:
+ if (p->address.sockaddr.un.sun_path[0] != 0)
+ f = p->address.sockaddr.un.sun_path;
+ break;
- return r;
+ default:
+ break;
+ }
+
+ if (f) {
+ if (found)
+ return NULL;
+
+ found = f;
+ }
+ }
+
+ return found;
}
-static int socket_add_default_dependencies(Socket *s) {
- int r;
+static int socket_verify(Socket *s) {
assert(s);
- if (UNIT(s)->manager->running_as == MANAGER_SYSTEM) {
- if ((r = unit_add_dependency_by_name(UNIT(s), UNIT_BEFORE, SPECIAL_SOCKETS_TARGET, NULL, true)) < 0)
- return r;
+ if (UNIT(s)->load_state != UNIT_LOADED)
+ return 0;
- if ((r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, SPECIAL_SYSINIT_TARGET, NULL, true)) < 0)
- return r;
+ if (!s->ports) {
+ log_error_unit(UNIT(s)->id, "%s lacks Listen setting. Refusing.", UNIT(s)->id);
+ return -EINVAL;
}
- return unit_add_two_dependencies_by_name(UNIT(s), UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true);
-}
+ if (s->accept && have_non_accept_socket(s)) {
+ log_error_unit(UNIT(s)->id, "%s configured for accepting sockets, but sockets are non-accepting. Refusing.",
+ UNIT(s)->id);
+ return -EINVAL;
+ }
-static bool socket_has_exec(Socket *s) {
- unsigned i;
- assert(s);
+ if (s->accept && s->max_connections <= 0) {
+ log_error_unit(UNIT(s)->id, "%s's MaxConnection setting too small. Refusing.", UNIT(s)->id);
+ return -EINVAL;
+ }
- for (i = 0; i < _SOCKET_EXEC_COMMAND_MAX; i++)
- if (s->exec_command[i])
- return true;
+ if (s->accept && UNIT_DEREF(s->service)) {
+ log_error_unit(UNIT(s)->id, "Explicit service configuration for accepting sockets not supported on %s. Refusing.", UNIT(s)->id);
+ return -EINVAL;
+ }
- return false;
+ if (s->exec_context.pam_name && s->kill_context.kill_mode != KILL_CONTROL_GROUP) {
+ log_error_unit(UNIT(s)->id, "%s has PAM enabled. Kill mode must be set to 'control-group'. Refusing.", UNIT(s)->id);
+ return -EINVAL;
+ }
+
+ if (!strv_isempty(s->symlinks) && !socket_find_symlink_target(s)) {
+ log_error_unit(UNIT(s)->id, "%s has symlinks set but none or more than one node in the file system. Refusing.", UNIT(s)->id);
+ return -EINVAL;
+ }
+
+ return 0;
}
static int socket_load(Unit *u) {
assert(u);
assert(u->load_state == UNIT_STUB);
- if ((r = unit_load_fragment_and_dropin(u)) < 0)
+ r = unit_load_fragment_and_dropin(u);
+ if (r < 0)
return r;
- /* This is a new unit? Then let's add in some extras */
if (u->load_state == UNIT_LOADED) {
-
- if (have_non_accept_socket(s)) {
-
- if (!UNIT_DEREF(s->service)) {
- Unit *x;
-
- r = unit_load_related_unit(u, ".service", &x);
- if (r < 0)
- return r;
-
- unit_ref_set(&s->service, x);
- }
-
- r = unit_add_two_dependencies(u, UNIT_BEFORE, UNIT_TRIGGERS, UNIT_DEREF(s->service), true);
- if (r < 0)
- return r;
- }
-
- if ((r = socket_add_mount_links(s)) < 0)
- return r;
-
- if ((r = socket_add_device_link(s)) < 0)
- return r;
-
- if (socket_has_exec(s))
- if ((r = unit_add_exec_dependencies(u, &s->exec_context)) < 0)
- return r;
-
- if ((r = unit_add_default_cgroups(u)) < 0)
- return r;
-
- if (UNIT(s)->default_dependencies)
- if ((r = socket_add_default_dependencies(s)) < 0)
- return r;
-
- r = unit_exec_context_defaults(u, &s->exec_context);
+ /* This is a new unit? Then let's add in some extras */
+ r = socket_add_extras(s);
if (r < 0)
return r;
}
return socket_verify(s);
}
-static const char* listen_lookup(int family, int type) {
+_const_ static const char* listen_lookup(int family, int type) {
if (family == AF_NETLINK)
return "ListenNetlink";
}
static void socket_dump(Unit *u, FILE *f, const char *prefix) {
-
+ char time_string[FORMAT_TIMESPAN_MAX];
SocketExecCommand c;
Socket *s = SOCKET(u);
SocketPort *p;
const char *prefix2;
- char *p2;
assert(s);
assert(f);
- p2 = strappend(prefix, "\t");
- prefix2 = p2 ? p2 : prefix;
+ prefix2 = strappenda(prefix, "\t");
fprintf(f,
"%sSocket State: %s\n"
"%sSocketMode: %04o\n"
"%sDirectoryMode: %04o\n"
"%sKeepAlive: %s\n"
+ "%sNoDelay: %s\n"
"%sFreeBind: %s\n"
"%sTransparent: %s\n"
"%sBroadcast: %s\n"
"%sPassCredentials: %s\n"
"%sPassSecurity: %s\n"
- "%sTCPCongestion: %s\n",
+ "%sTCPCongestion: %s\n"
+ "%sRemoveOnStop: %s\n",
prefix, socket_state_to_string(s->state),
prefix, socket_result_to_string(s->result),
prefix, socket_address_bind_ipv6_only_to_string(s->bind_ipv6_only),
prefix, s->socket_mode,
prefix, s->directory_mode,
prefix, yes_no(s->keep_alive),
+ prefix, yes_no(s->no_delay),
prefix, yes_no(s->free_bind),
prefix, yes_no(s->transparent),
prefix, yes_no(s->broadcast),
prefix, yes_no(s->pass_cred),
prefix, yes_no(s->pass_sec),
- prefix, strna(s->tcp_congestion));
+ prefix, strna(s->tcp_congestion),
+ prefix, yes_no(s->remove_on_stop));
if (s->control_pid > 0)
fprintf(f,
- "%sControl PID: %lu\n",
- prefix, (unsigned long) s->control_pid);
+ "%sControl PID: "PID_FMT"\n",
+ prefix, s->control_pid);
if (s->bind_to_device)
fprintf(f,
"%sMessageQueueMessageSize: %li\n",
prefix, s->mq_msgsize);
+ if (s->reuse_port)
+ fprintf(f,
+ "%sReusePort: %s\n",
+ prefix, yes_no(s->reuse_port));
+
+ if (s->smack)
+ fprintf(f,
+ "%sSmackLabel: %s\n",
+ prefix, s->smack);
+
+ if (s->smack_ip_in)
+ fprintf(f,
+ "%sSmackLabelIPIn: %s\n",
+ prefix, s->smack_ip_in);
+
+ if (s->smack_ip_out)
+ fprintf(f,
+ "%sSmackLabelIPOut: %s\n",
+ prefix, s->smack_ip_out);
+
+ if (!isempty(s->user) || !isempty(s->group))
+ fprintf(f,
+ "%sOwnerUser: %s\n"
+ "%sOwnerGroup: %s\n",
+ prefix, strna(s->user),
+ prefix, strna(s->group));
+
+ if (s->keep_alive_time > 0)
+ fprintf(f,
+ "%sKeepAliveTimeSec: %s\n",
+ prefix, format_timespan(time_string, FORMAT_TIMESPAN_MAX, s->keep_alive_time, USEC_PER_SEC));
+
+ if (s->keep_alive_interval)
+ fprintf(f,
+ "%sKeepAliveIntervalSec: %s\n",
+ prefix, format_timespan(time_string, FORMAT_TIMESPAN_MAX, s->keep_alive_interval, USEC_PER_SEC));
+
+ if (s->keep_alive_cnt)
+ fprintf(f,
+ "%sKeepAliveProbes: %u\n",
+ prefix, s->keep_alive_cnt);
+
+ if (s->defer_accept)
+ fprintf(f,
+ "%sDeferAcceptSec: %s\n",
+ prefix, format_timespan(time_string, FORMAT_TIMESPAN_MAX, s->defer_accept, USEC_PER_SEC));
+
LIST_FOREACH(port, p, s->ports) {
if (p->type == SOCKET_SOCKET) {
exec_command_dump_list(s->exec_command[c], f, prefix2);
}
-
- free(p2);
}
static int instance_from_socket(int fd, unsigned nr, char **instance) {
socklen_t l;
char *r;
- union {
- struct sockaddr sa;
- struct sockaddr_un un;
- struct sockaddr_in in;
- struct sockaddr_in6 in6;
- struct sockaddr_storage storage;
- } local, remote;
+ union sockaddr_union local, remote;
assert(fd >= 0);
assert(instance);
case AF_UNIX: {
struct ucred ucred;
+ int k;
- l = sizeof(ucred);
- if (getsockopt(fd, SOL_SOCKET, SO_PEERCRED, &ucred, &l) < 0)
- return -errno;
-
- if (asprintf(&r,
- "%u-%lu-%lu",
- nr,
- (unsigned long) ucred.pid,
- (unsigned long) ucred.uid) < 0)
- return -ENOMEM;
+ k = getpeercred(fd, &ucred);
+ if (k >= 0) {
+ if (asprintf(&r,
+ "%u-"PID_FMT"-"UID_FMT,
+ nr, ucred.pid, ucred.uid) < 0)
+ return -ENOMEM;
+ } else if (k == -ENODATA) {
+ /* This handles the case where somebody is
+ * connecting from another pid/uid namespace
+ * (e.g. from outside of our container). */
+ if (asprintf(&r,
+ "%u-unknown",
+ nr) < 0)
+ return -ENOMEM;
+ } else
+ return k;
break;
}
static void socket_close_fds(Socket *s) {
SocketPort *p;
+ char **i;
assert(s);
LIST_FOREACH(port, p, s->ports) {
+
+ p->event_source = sd_event_source_unref(p->event_source);
+
if (p->fd < 0)
continue;
- unit_unwatch_fd(UNIT(s), &p->fd_watch);
- close_nointr_nofail(p->fd);
+ p->fd = safe_close(p->fd);
+
+ /* One little note: we should normally not delete any
+ * sockets in the file system here! After all some
+ * other process we spawned might still have a
+ * reference of this fd and wants to continue to use
+ * it. Therefore we delete sockets in the file system
+ * before we create a new one, not after we stopped
+ * using one! */
+
+ if (s->remove_on_stop) {
+ switch (p->type) {
- /* One little note: we should never delete any sockets
- * in the file system here! After all some other
- * process we spawned might still have a reference of
- * this fd and wants to continue to use it. Therefore
- * we delete sockets in the file system before we
- * create a new one, not after we stopped using
- * one! */
+ case SOCKET_FIFO:
+ unlink(p->path);
+ break;
+
+ case SOCKET_MQUEUE:
+ mq_unlink(p->path);
+ break;
- p->fd = -1;
+ case SOCKET_SOCKET:
+ socket_address_unlink(&p->address);
+ break;
+
+ default:
+ break;
+ }
+ }
}
+
+ if (s->remove_on_stop)
+ STRV_FOREACH(i, s->symlinks)
+ unlink(*i);
}
static void socket_apply_socket_options(Socket *s, int fd) {
if (s->keep_alive) {
int b = s->keep_alive;
if (setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, &b, sizeof(b)) < 0)
- log_warning("SO_KEEPALIVE failed: %m");
+ log_warning_unit(UNIT(s)->id, "SO_KEEPALIVE failed: %m");
+ }
+
+ if (s->keep_alive_time) {
+ int value = s->keep_alive_time / USEC_PER_SEC;
+ if (setsockopt(fd, SOL_TCP, TCP_KEEPIDLE, &value, sizeof(value)) < 0)
+ log_warning_unit(UNIT(s)->id, "TCP_KEEPIDLE failed: %m");
+ }
+
+ if (s->keep_alive_interval) {
+ int value = s->keep_alive_interval / USEC_PER_SEC;
+ if (setsockopt(fd, SOL_TCP, TCP_KEEPINTVL, &value, sizeof(value)) < 0)
+ log_warning_unit(UNIT(s)->id, "TCP_KEEPINTVL failed: %m");
+ }
+
+ if (s->keep_alive_cnt) {
+ int value = s->keep_alive_cnt;
+ if (setsockopt(fd, SOL_SOCKET, TCP_KEEPCNT, &value, sizeof(value)) < 0)
+ log_warning_unit(UNIT(s)->id, "TCP_KEEPCNT failed: %m");
+ }
+
+ if (s->defer_accept) {
+ int value = s->defer_accept / USEC_PER_SEC;
+ if (setsockopt(fd, SOL_TCP, TCP_DEFER_ACCEPT, &value, sizeof(value)) < 0)
+ log_warning_unit(UNIT(s)->id, "TCP_DEFER_ACCEPT failed: %m");
+ }
+
+ if (s->no_delay) {
+ int b = s->no_delay;
+ if (setsockopt(fd, SOL_TCP, TCP_NODELAY, &b, sizeof(b)) < 0)
+ log_warning_unit(UNIT(s)->id, "TCP_NODELAY failed: %m");
}
if (s->broadcast) {
int one = 1;
if (setsockopt(fd, SOL_SOCKET, SO_BROADCAST, &one, sizeof(one)) < 0)
- log_warning("SO_BROADCAST failed: %m");
+ log_warning_unit(UNIT(s)->id, "SO_BROADCAST failed: %m");
}
if (s->pass_cred) {
int one = 1;
if (setsockopt(fd, SOL_SOCKET, SO_PASSCRED, &one, sizeof(one)) < 0)
- log_warning("SO_PASSCRED failed: %m");
+ log_warning_unit(UNIT(s)->id, "SO_PASSCRED failed: %m");
}
if (s->pass_sec) {
int one = 1;
if (setsockopt(fd, SOL_SOCKET, SO_PASSSEC, &one, sizeof(one)) < 0)
- log_warning("SO_PASSSEC failed: %m");
+ log_warning_unit(UNIT(s)->id, "SO_PASSSEC failed: %m");
}
if (s->priority >= 0)
if (setsockopt(fd, SOL_SOCKET, SO_PRIORITY, &s->priority, sizeof(s->priority)) < 0)
- log_warning("SO_PRIORITY failed: %m");
+ log_warning_unit(UNIT(s)->id, "SO_PRIORITY failed: %m");
if (s->receive_buffer > 0) {
int value = (int) s->receive_buffer;
if (setsockopt(fd, SOL_SOCKET, SO_RCVBUFFORCE, &value, sizeof(value)) < 0)
if (setsockopt(fd, SOL_SOCKET, SO_RCVBUF, &value, sizeof(value)) < 0)
- log_warning("SO_RCVBUF failed: %m");
+ log_warning_unit(UNIT(s)->id, "SO_RCVBUF failed: %m");
}
if (s->send_buffer > 0) {
int value = (int) s->send_buffer;
if (setsockopt(fd, SOL_SOCKET, SO_SNDBUFFORCE, &value, sizeof(value)) < 0)
if (setsockopt(fd, SOL_SOCKET, SO_SNDBUF, &value, sizeof(value)) < 0)
- log_warning("SO_SNDBUF failed: %m");
+ log_warning_unit(UNIT(s)->id, "SO_SNDBUF failed: %m");
}
if (s->mark >= 0)
if (setsockopt(fd, SOL_SOCKET, SO_MARK, &s->mark, sizeof(s->mark)) < 0)
- log_warning("SO_MARK failed: %m");
+ log_warning_unit(UNIT(s)->id, "SO_MARK failed: %m");
if (s->ip_tos >= 0)
if (setsockopt(fd, IPPROTO_IP, IP_TOS, &s->ip_tos, sizeof(s->ip_tos)) < 0)
- log_warning("IP_TOS failed: %m");
+ log_warning_unit(UNIT(s)->id, "IP_TOS failed: %m");
if (s->ip_ttl >= 0) {
int r, x;
}
if (r < 0 && x < 0)
- log_warning("IP_TTL/IPV6_UNICAST_HOPS failed: %m");
+ log_warning_unit(UNIT(s)->id,
+ "IP_TTL/IPV6_UNICAST_HOPS failed: %m");
}
if (s->tcp_congestion)
if (setsockopt(fd, SOL_TCP, TCP_CONGESTION, s->tcp_congestion, strlen(s->tcp_congestion)+1) < 0)
- log_warning("TCP_CONGESTION failed: %m");
+ log_warning_unit(UNIT(s)->id, "TCP_CONGESTION failed: %m");
+
+ if (s->reuse_port) {
+ int b = s->reuse_port;
+ if (setsockopt(fd, SOL_SOCKET, SO_REUSEPORT, &b, sizeof(b)) < 0)
+ log_warning_unit(UNIT(s)->id, "SO_REUSEPORT failed: %m");
+ }
+
+ if (s->smack_ip_in)
+ if (smack_label_ip_in_fd(fd, s->smack_ip_in) < 0)
+ log_error_unit(UNIT(s)->id, "smack_label_ip_in_fd: %m");
+
+ if (s->smack_ip_out)
+ if (smack_label_ip_out_fd(fd, s->smack_ip_out) < 0)
+ log_error_unit(UNIT(s)->id, "smack_label_ip_out_fd: %m");
}
static void socket_apply_fifo_options(Socket *s, int fd) {
if (s->pipe_size > 0)
if (fcntl(fd, F_SETPIPE_SZ, s->pipe_size) < 0)
- log_warning("F_SETPIPE_SZ: %m");
+ log_warning_unit(UNIT(s)->id,
+ "F_SETPIPE_SZ: %m");
+
+ if (s->smack)
+ if (smack_label_fd(fd, s->smack) < 0)
+ log_error_unit(UNIT(s)->id, "smack_label_fd: %m");
}
static int fifo_address_create(
fail:
label_context_clear();
-
- if (fd >= 0)
- close_nointr_nofail(fd);
+ safe_close(fd);
return r;
}
assert(path);
assert(_fd);
- if ((fd = open(path, O_RDONLY|O_CLOEXEC|O_NOCTTY|O_NONBLOCK|O_NOFOLLOW)) < 0) {
+ fd = open(path, O_RDONLY|O_CLOEXEC|O_NOCTTY|O_NONBLOCK|O_NOFOLLOW);
+ if (fd < 0) {
r = -errno;
goto fail;
}
return 0;
fail:
- if (fd >= 0)
- close_nointr_nofail(fd);
+ safe_close(fd);
return r;
}
/* Include the original umask in our mask */
umask(~mq_mode | old_mask);
-
fd = mq_open(path, O_RDONLY|O_CLOEXEC|O_NONBLOCK|O_CREAT, mq_mode, attr);
umask(old_mask);
return 0;
fail:
- if (fd >= 0)
- close_nointr_nofail(fd);
-
+ safe_close(fd);
return r;
}
+static int socket_symlink(Socket *s) {
+ const char *p;
+ char **i;
+
+ assert(s);
+
+ p = socket_find_symlink_target(s);
+ if (!p)
+ return 0;
+
+ STRV_FOREACH(i, s->symlinks)
+ symlink(p, *i);
+
+ return 0;
+}
+
static int socket_open_fds(Socket *s) {
SocketPort *p;
int r;
if (!know_label) {
- if ((r = socket_instantiate_service(s)) < 0)
+ r = socket_instantiate_service(s);
+ if (r < 0)
return r;
- if (UNIT_DEREF(s->service) &&
+ if (UNIT_ISSET(s->service) &&
SERVICE(UNIT_DEREF(s->service))->exec_command[SERVICE_EXEC_START]) {
r = label_get_create_label_from_exe(SERVICE(UNIT_DEREF(s->service))->exec_command[SERVICE_EXEC_START]->path, &label);
-
- if (r < 0) {
- if (r != -EPERM)
- return r;
- }
+ if (r < 0 && r != -EPERM)
+ return r;
}
know_label = true;
}
- if ((r = socket_address_listen(
- &p->address,
- s->backlog,
- s->bind_ipv6_only,
- s->bind_to_device,
- s->free_bind,
- s->transparent,
- s->directory_mode,
- s->socket_mode,
- label,
- &p->fd)) < 0)
+ r = socket_address_listen(
+ &p->address,
+ SOCK_CLOEXEC|SOCK_NONBLOCK,
+ s->backlog,
+ s->bind_ipv6_only,
+ s->bind_to_device,
+ s->free_bind,
+ s->transparent,
+ s->directory_mode,
+ s->socket_mode,
+ label);
+ if (r < 0)
goto rollback;
+ p->fd = r;
socket_apply_socket_options(s, p->fd);
+ socket_symlink(s);
} else if (p->type == SOCKET_SPECIAL) {
- if ((r = special_address_create(
- p->path,
- &p->fd)) < 0)
+ r = special_address_create(
+ p->path,
+ &p->fd);
+ if (r < 0)
goto rollback;
} else if (p->type == SOCKET_FIFO) {
- if ((r = fifo_address_create(
- p->path,
- s->directory_mode,
- s->socket_mode,
- &p->fd)) < 0)
+ r = fifo_address_create(
+ p->path,
+ s->directory_mode,
+ s->socket_mode,
+ &p->fd);
+ if (r < 0)
goto rollback;
socket_apply_fifo_options(s, p->fd);
+ socket_symlink(s);
+
} else if (p->type == SOCKET_MQUEUE) {
- if ((r = mq_address_create(
- p->path,
- s->socket_mode,
- s->mq_maxmsg,
- s->mq_msgsize,
- &p->fd)) < 0)
+ r = mq_address_create(
+ p->path,
+ s->socket_mode,
+ s->mq_maxmsg,
+ s->mq_msgsize,
+ &p->fd);
+ if (r < 0)
goto rollback;
} else
assert_not_reached("Unknown port type");
static void socket_unwatch_fds(Socket *s) {
SocketPort *p;
+ int r;
assert(s);
if (p->fd < 0)
continue;
- unit_unwatch_fd(UNIT(s), &p->fd_watch);
+ if (!p->event_source)
+ continue;
+
+ r = sd_event_source_set_enabled(p->event_source, SD_EVENT_OFF);
+ if (r < 0)
+ log_debug_unit(UNIT(s)->id, "Failed to disable event source.");
}
}
if (p->fd < 0)
continue;
- p->fd_watch.socket_accept =
- s->accept &&
- p->type == SOCKET_SOCKET &&
- socket_address_can_accept(&p->address);
+ if (p->event_source)
+ r = sd_event_source_set_enabled(p->event_source, SD_EVENT_ON);
+ else
+ r = sd_event_add_io(UNIT(s)->manager->event, &p->event_source, p->fd, EPOLLIN, socket_dispatch_io, p);
- if ((r = unit_watch_fd(UNIT(s), p->fd, EPOLLIN, &p->fd_watch)) < 0)
+ if (r < 0) {
+ log_warning_unit(UNIT(s)->id, "Failed to watch listening fds: %s", strerror(-r));
goto fail;
+ }
}
return 0;
old_state = s->state;
s->state = state;
- if (state != SOCKET_START_PRE &&
- state != SOCKET_START_POST &&
- state != SOCKET_STOP_PRE &&
- state != SOCKET_STOP_PRE_SIGTERM &&
- state != SOCKET_STOP_PRE_SIGKILL &&
- state != SOCKET_STOP_POST &&
- state != SOCKET_FINAL_SIGTERM &&
- state != SOCKET_FINAL_SIGKILL) {
- unit_unwatch_timer(UNIT(s), &s->timer_watch);
+ if (!IN_SET(state,
+ SOCKET_START_PRE,
+ SOCKET_START_CHOWN,
+ SOCKET_START_POST,
+ SOCKET_STOP_PRE,
+ SOCKET_STOP_PRE_SIGTERM,
+ SOCKET_STOP_PRE_SIGKILL,
+ SOCKET_STOP_POST,
+ SOCKET_FINAL_SIGTERM,
+ SOCKET_FINAL_SIGKILL)) {
+
+ s->timer_event_source = sd_event_source_unref(s->timer_event_source);
socket_unwatch_control_pid(s);
s->control_command = NULL;
s->control_command_id = _SOCKET_EXEC_COMMAND_INVALID;
if (state != SOCKET_LISTENING)
socket_unwatch_fds(s);
- if (state != SOCKET_START_POST &&
- state != SOCKET_LISTENING &&
- state != SOCKET_RUNNING &&
- state != SOCKET_STOP_PRE &&
- state != SOCKET_STOP_PRE_SIGTERM &&
- state != SOCKET_STOP_PRE_SIGKILL)
+ if (!IN_SET(state,
+ SOCKET_START_CHOWN,
+ SOCKET_START_POST,
+ SOCKET_LISTENING,
+ SOCKET_RUNNING,
+ SOCKET_STOP_PRE,
+ SOCKET_STOP_PRE_SIGTERM,
+ SOCKET_STOP_PRE_SIGKILL))
socket_close_fds(s);
if (state != old_state)
- log_debug("%s changed %s -> %s",
- UNIT(s)->id,
- socket_state_to_string(old_state),
- socket_state_to_string(state));
+ log_debug_unit(UNIT(s)->id, "%s changed %s -> %s",
+ UNIT(s)->id, socket_state_to_string(old_state), socket_state_to_string(state));
unit_notify(UNIT(s), state_translation_table[old_state], state_translation_table[state], true);
}
assert(s);
assert(s->state == SOCKET_DEAD);
- if (s->deserialized_state != s->state) {
+ if (s->deserialized_state == s->state)
+ return 0;
- if (s->deserialized_state == SOCKET_START_PRE ||
- s->deserialized_state == SOCKET_START_POST ||
- s->deserialized_state == SOCKET_STOP_PRE ||
- s->deserialized_state == SOCKET_STOP_PRE_SIGTERM ||
- s->deserialized_state == SOCKET_STOP_PRE_SIGKILL ||
- s->deserialized_state == SOCKET_STOP_POST ||
- s->deserialized_state == SOCKET_FINAL_SIGTERM ||
- s->deserialized_state == SOCKET_FINAL_SIGKILL) {
+ if (IN_SET(s->deserialized_state,
+ SOCKET_START_PRE,
+ SOCKET_START_CHOWN,
+ SOCKET_START_POST,
+ SOCKET_STOP_PRE,
+ SOCKET_STOP_PRE_SIGTERM,
+ SOCKET_STOP_PRE_SIGKILL,
+ SOCKET_STOP_POST,
+ SOCKET_FINAL_SIGTERM,
+ SOCKET_FINAL_SIGKILL)) {
+
+ if (s->control_pid <= 0)
+ return -EBADMSG;
+
+ r = unit_watch_pid(UNIT(s), s->control_pid);
+ if (r < 0)
+ return r;
- if (s->control_pid <= 0)
- return -EBADMSG;
+ r = socket_arm_timer(s);
+ if (r < 0)
+ return r;
+ }
- if ((r = unit_watch_pid(UNIT(s), s->control_pid)) < 0)
- return r;
+ if (IN_SET(s->deserialized_state,
+ SOCKET_START_CHOWN,
+ SOCKET_START_POST,
+ SOCKET_LISTENING,
+ SOCKET_RUNNING,
+ SOCKET_STOP_PRE,
+ SOCKET_STOP_PRE_SIGTERM,
+ SOCKET_STOP_PRE_SIGKILL)) {
+ r = socket_open_fds(s);
+ if (r < 0)
+ return r;
+ }
+
+ if (s->deserialized_state == SOCKET_LISTENING) {
+ r = socket_watch_fds(s);
+ if (r < 0)
+ return r;
+ }
+
+ socket_set_state(s, s->deserialized_state);
+ return 0;
+}
+
+static int socket_spawn(Socket *s, ExecCommand *c, pid_t *_pid) {
+ _cleanup_free_ char **argv = NULL;
+ pid_t pid;
+ int r;
+
+ assert(s);
+ assert(c);
+ assert(_pid);
+
+ unit_realize_cgroup(UNIT(s));
+
+ r = unit_setup_exec_runtime(UNIT(s));
+ if (r < 0)
+ goto fail;
+
+ r = socket_arm_timer(s);
+ if (r < 0)
+ goto fail;
+
+ r = unit_full_printf_strv(UNIT(s), c->argv, &argv);
+ if (r < 0)
+ goto fail;
+
+ r = exec_spawn(c,
+ argv,
+ &s->exec_context,
+ NULL, 0,
+ UNIT(s)->manager->environment,
+ true,
+ true,
+ true,
+ UNIT(s)->manager->confirm_spawn,
+ UNIT(s)->manager->cgroup_supported,
+ UNIT(s)->cgroup_path,
+ manager_get_runtime_prefix(UNIT(s)->manager),
+ UNIT(s)->id,
+ 0,
+ NULL,
+ s->exec_runtime,
+ &pid);
+ if (r < 0)
+ goto fail;
+
+ r = unit_watch_pid(UNIT(s), pid);
+ if (r < 0)
+ /* FIXME: we need to do something here */
+ goto fail;
+
+ *_pid = pid;
+ return 0;
+
+fail:
+ s->timer_event_source = sd_event_source_unref(s->timer_event_source);
+ return r;
+}
+
+static int socket_chown(Socket *s, pid_t *_pid) {
+ pid_t pid;
+ int r;
+
+ r = socket_arm_timer(s);
+ if (r < 0)
+ goto fail;
+
+ /* We have to resolve the user names out-of-process, hence
+ * let's fork here. It's messy, but well, what can we do? */
+
+ pid = fork();
+ if (pid < 0)
+ return -errno;
+
+ if (pid == 0) {
+ SocketPort *p;
+ uid_t uid = (uid_t) -1;
+ gid_t gid = (gid_t) -1;
+ int ret;
+
+ default_signals(SIGNALS_CRASH_HANDLER, SIGNALS_IGNORE, -1);
+ ignore_signals(SIGPIPE, -1);
+ log_forget_fds();
+
+ if (!isempty(s->user)) {
+ const char *user = s->user;
- if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0)
- return r;
+ r = get_user_creds(&user, &uid, &gid, NULL, NULL);
+ if (r < 0) {
+ ret = EXIT_USER;
+ goto fail_child;
+ }
}
- if (s->deserialized_state == SOCKET_START_POST ||
- s->deserialized_state == SOCKET_LISTENING ||
- s->deserialized_state == SOCKET_RUNNING ||
- s->deserialized_state == SOCKET_STOP_PRE ||
- s->deserialized_state == SOCKET_STOP_PRE_SIGTERM ||
- s->deserialized_state == SOCKET_STOP_PRE_SIGKILL)
- if ((r = socket_open_fds(s)) < 0)
- return r;
+ if (!isempty(s->group)) {
+ const char *group = s->group;
- if (s->deserialized_state == SOCKET_LISTENING)
- if ((r = socket_watch_fds(s)) < 0)
- return r;
+ r = get_group_creds(&group, &gid);
+ if (r < 0) {
+ ret = EXIT_GROUP;
+ goto fail_child;
+ }
+ }
- socket_set_state(s, s->deserialized_state);
- }
+ LIST_FOREACH(port, p, s->ports) {
+ const char *path = NULL;
- return 0;
-}
+ if (p->type == SOCKET_SOCKET)
+ path = socket_address_get_path(&p->address);
+ else if (p->type == SOCKET_FIFO)
+ path = p->path;
-static int socket_spawn(Socket *s, ExecCommand *c, pid_t *_pid) {
- pid_t pid;
- int r;
- char **argv;
+ if (!path)
+ continue;
- assert(s);
- assert(c);
- assert(_pid);
+ if (chown(path, uid, gid) < 0) {
+ r = -errno;
+ ret = EXIT_CHOWN;
+ goto fail_child;
+ }
+ }
- if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0)
- goto fail;
+ _exit(0);
- if (!(argv = unit_full_printf_strv(UNIT(s), c->argv))) {
- r = -ENOMEM;
- goto fail;
- }
+ fail_child:
+ log_open();
+ log_error("Failed to chown socket at step %s: %s", exit_status_to_string(ret, EXIT_STATUS_SYSTEMD), strerror(-r));
- r = exec_spawn(c,
- argv,
- &s->exec_context,
- NULL, 0,
- UNIT(s)->manager->environment,
- true,
- true,
- true,
- UNIT(s)->manager->confirm_spawn,
- UNIT(s)->cgroup_bondings,
- UNIT(s)->cgroup_attributes,
- NULL,
- UNIT(s)->id,
- NULL,
- &pid);
+ _exit(ret);
+ }
- strv_free(argv);
+ r = unit_watch_pid(UNIT(s), pid);
if (r < 0)
goto fail;
- if ((r = unit_watch_pid(UNIT(s), pid)) < 0)
- /* FIXME: we need to do something here */
- goto fail;
-
*_pid = pid;
-
return 0;
fail:
- unit_unwatch_timer(UNIT(s), &s->timer_watch);
-
+ s->timer_event_source = sd_event_source_unref(s->timer_event_source);
return r;
}
if (f != SOCKET_SUCCESS)
s->result = f;
+ exec_runtime_destroy(s->exec_runtime);
+ s->exec_runtime = exec_runtime_unref(s->exec_runtime);
+
+ exec_context_destroy_runtime_directory(&s->exec_context, manager_get_runtime_prefix(UNIT(s)->manager));
+
socket_set_state(s, s->result != SOCKET_SUCCESS ? SOCKET_FAILED : SOCKET_DEAD);
}
s->result = f;
socket_unwatch_control_pid(s);
-
s->control_command_id = SOCKET_EXEC_STOP_POST;
+ s->control_command = s->exec_command[SOCKET_EXEC_STOP_POST];
- if ((s->control_command = s->exec_command[SOCKET_EXEC_STOP_POST])) {
- if ((r = socket_spawn(s, s->control_command, &s->control_pid)) < 0)
+ if (s->control_command) {
+ r = socket_spawn(s, s->control_command, &s->control_pid);
+ if (r < 0)
goto fail;
socket_set_state(s, SOCKET_STOP_POST);
return;
fail:
- log_warning("%s failed to run 'stop-post' task: %s", UNIT(s)->id, strerror(-r));
+ log_warning_unit(UNIT(s)->id,
+ "%s failed to run 'stop-post' task: %s",
+ UNIT(s)->id, strerror(-r));
socket_enter_signal(s, SOCKET_FINAL_SIGTERM, SOCKET_FAILURE_RESOURCES);
}
static void socket_enter_signal(Socket *s, SocketState state, SocketResult f) {
int r;
- Set *pid_set = NULL;
- bool wait_for_exit = false;
assert(s);
if (f != SOCKET_SUCCESS)
s->result = f;
- if (s->kill_context.kill_mode != KILL_NONE) {
- int sig = (state == SOCKET_STOP_PRE_SIGTERM || state == SOCKET_FINAL_SIGTERM) ? s->kill_context.kill_signal : SIGKILL;
-
- if (s->control_pid > 0) {
- if (kill_and_sigcont(s->control_pid, sig) < 0 && errno != ESRCH)
-
- log_warning("Failed to kill control process %li: %m", (long) s->control_pid);
- else
- wait_for_exit = true;
- }
-
- if (s->kill_context.kill_mode == KILL_CONTROL_GROUP) {
-
- if (!(pid_set = set_new(trivial_hash_func, trivial_compare_func))) {
- r = -ENOMEM;
- goto fail;
- }
-
- /* Exclude the control pid from being killed via the cgroup */
- if (s->control_pid > 0)
- if ((r = set_put(pid_set, LONG_TO_PTR(s->control_pid))) < 0)
- goto fail;
-
- r = cgroup_bonding_kill_list(UNIT(s)->cgroup_bondings, sig, true, false, pid_set, NULL);
- if (r < 0) {
- if (r != -EAGAIN && r != -ESRCH && r != -ENOENT)
- log_warning("Failed to kill control group: %s", strerror(-r));
- } else if (r > 0)
- wait_for_exit = true;
-
- set_free(pid_set);
- pid_set = NULL;
- }
- }
+ r = unit_kill_context(
+ UNIT(s),
+ &s->kill_context,
+ state != SOCKET_STOP_PRE_SIGTERM && state != SOCKET_FINAL_SIGTERM,
+ -1,
+ s->control_pid,
+ false);
+ if (r < 0)
+ goto fail;
- if (wait_for_exit) {
- if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0)
+ if (r > 0) {
+ r = socket_arm_timer(s);
+ if (r < 0)
goto fail;
socket_set_state(s, state);
- } else if (state == SOCKET_STOP_PRE_SIGTERM || state == SOCKET_STOP_PRE_SIGKILL)
+ } else if (state == SOCKET_STOP_PRE_SIGTERM)
+ socket_enter_signal(s, SOCKET_STOP_PRE_SIGKILL, SOCKET_SUCCESS);
+ else if (state == SOCKET_STOP_PRE_SIGKILL)
socket_enter_stop_post(s, SOCKET_SUCCESS);
+ else if (state == SOCKET_FINAL_SIGTERM)
+ socket_enter_signal(s, SOCKET_FINAL_SIGKILL, SOCKET_SUCCESS);
else
socket_enter_dead(s, SOCKET_SUCCESS);
return;
fail:
- log_warning("%s failed to kill processes: %s", UNIT(s)->id, strerror(-r));
+ log_warning_unit(UNIT(s)->id, "%s failed to kill processes: %s", UNIT(s)->id, strerror(-r));
if (state == SOCKET_STOP_PRE_SIGTERM || state == SOCKET_STOP_PRE_SIGKILL)
socket_enter_stop_post(s, SOCKET_FAILURE_RESOURCES);
else
socket_enter_dead(s, SOCKET_FAILURE_RESOURCES);
-
- if (pid_set)
- set_free(pid_set);
}
static void socket_enter_stop_pre(Socket *s, SocketResult f) {
s->result = f;
socket_unwatch_control_pid(s);
-
s->control_command_id = SOCKET_EXEC_STOP_PRE;
+ s->control_command = s->exec_command[SOCKET_EXEC_STOP_PRE];
- if ((s->control_command = s->exec_command[SOCKET_EXEC_STOP_PRE])) {
- if ((r = socket_spawn(s, s->control_command, &s->control_pid)) < 0)
+ if (s->control_command) {
+ r = socket_spawn(s, s->control_command, &s->control_pid);
+ if (r < 0)
goto fail;
socket_set_state(s, SOCKET_STOP_PRE);
return;
fail:
- log_warning("%s failed to run 'stop-pre' task: %s", UNIT(s)->id, strerror(-r));
+ log_warning_unit(UNIT(s)->id, "%s failed to run 'stop-pre' task: %s", UNIT(s)->id, strerror(-r));
socket_enter_stop_post(s, SOCKET_FAILURE_RESOURCES);
}
r = socket_watch_fds(s);
if (r < 0) {
- log_warning("%s failed to watch sockets: %s", UNIT(s)->id, strerror(-r));
+ log_warning_unit(UNIT(s)->id, "%s failed to watch sockets: %s", UNIT(s)->id, strerror(-r));
goto fail;
}
int r;
assert(s);
+ socket_unwatch_control_pid(s);
+ s->control_command_id = SOCKET_EXEC_START_POST;
+ s->control_command = s->exec_command[SOCKET_EXEC_START_POST];
+
+ if (s->control_command) {
+ r = socket_spawn(s, s->control_command, &s->control_pid);
+ if (r < 0) {
+ log_warning_unit(UNIT(s)->id, "%s failed to run 'start-post' task: %s", UNIT(s)->id, strerror(-r));
+ goto fail;
+ }
+
+ socket_set_state(s, SOCKET_START_POST);
+ } else
+ socket_enter_listening(s);
+
+ return;
+
+fail:
+ socket_enter_stop_pre(s, SOCKET_FAILURE_RESOURCES);
+}
+
+static void socket_enter_start_chown(Socket *s) {
+ int r;
+
+ assert(s);
+
r = socket_open_fds(s);
if (r < 0) {
- log_warning("%s failed to listen on sockets: %s", UNIT(s)->id, strerror(-r));
+ log_warning_unit(UNIT(s)->id, "%s failed to listen on sockets: %s", UNIT(s)->id, strerror(-r));
goto fail;
}
- socket_unwatch_control_pid(s);
+ if (!isempty(s->user) || !isempty(s->group)) {
- s->control_command_id = SOCKET_EXEC_START_POST;
+ socket_unwatch_control_pid(s);
+ s->control_command_id = SOCKET_EXEC_START_CHOWN;
+ s->control_command = NULL;
- if ((s->control_command = s->exec_command[SOCKET_EXEC_START_POST])) {
- r = socket_spawn(s, s->control_command, &s->control_pid);
+ r = socket_chown(s, &s->control_pid);
if (r < 0) {
- log_warning("%s failed to run 'start-post' task: %s", UNIT(s)->id, strerror(-r));
+ log_warning_unit(UNIT(s)->id, "%s failed to fork 'start-chown' task: %s", UNIT(s)->id, strerror(-r));
goto fail;
}
- socket_set_state(s, SOCKET_START_POST);
+ socket_set_state(s, SOCKET_START_CHOWN);
} else
- socket_enter_listening(s);
+ socket_enter_start_post(s);
return;
assert(s);
socket_unwatch_control_pid(s);
-
s->control_command_id = SOCKET_EXEC_START_PRE;
+ s->control_command = s->exec_command[SOCKET_EXEC_START_PRE];
- if ((s->control_command = s->exec_command[SOCKET_EXEC_START_PRE])) {
- if ((r = socket_spawn(s, s->control_command, &s->control_pid)) < 0)
+ if (s->control_command) {
+ r = socket_spawn(s, s->control_command, &s->control_pid);
+ if (r < 0) {
+ log_warning_unit(UNIT(s)->id, "%s failed to run 'start-pre' task: %s", UNIT(s)->id, strerror(-r));
goto fail;
+ }
socket_set_state(s, SOCKET_START_PRE);
} else
- socket_enter_start_post(s);
+ socket_enter_start_chown(s);
return;
fail:
- log_warning("%s failed to run 'start-pre' task: %s", UNIT(s)->id, strerror(-r));
socket_enter_dead(s, SOCKET_FAILURE_RESOURCES);
}
static void socket_enter_running(Socket *s, int cfd) {
+ _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
int r;
- DBusError error;
assert(s);
- dbus_error_init(&error);
/* We don't take connections anymore if we are supposed to
* shut down anyway */
- if (unit_pending_inactive(UNIT(s))) {
- log_debug("Suppressing connection request on %s since unit stop is scheduled.", UNIT(s)->id);
+ if (unit_stop_pending(UNIT(s))) {
+
+ log_debug_unit(UNIT(s)->id, "Suppressing connection request on %s since unit stop is scheduled.", UNIT(s)->id);
if (cfd >= 0)
- close_nointr_nofail(cfd);
+ safe_close(cfd);
else {
/* Flush all sockets by closing and reopening them */
socket_close_fds(s);
+ r = socket_open_fds(s);
+ if (r < 0) {
+ log_warning_unit(UNIT(s)->id, "%s failed to listen on sockets: %s", UNIT(s)->id, strerror(-r));
+ socket_enter_stop_pre(s, SOCKET_FAILURE_RESOURCES);
+ return;
+ }
+
r = socket_watch_fds(s);
if (r < 0) {
- log_warning("%s failed to watch sockets: %s", UNIT(s)->id, strerror(-r));
+ log_warning_unit(UNIT(s)->id, "%s failed to watch sockets: %s", UNIT(s)->id, strerror(-r));
socket_enter_stop_pre(s, SOCKET_FAILURE_RESOURCES);
}
}
if (cfd < 0) {
Iterator i;
- Unit *u;
+ Unit *other;
bool pending = false;
/* If there's already a start pending don't bother to
* do anything */
- SET_FOREACH(u, UNIT(s)->dependencies[UNIT_TRIGGERS], i)
- if (unit_pending_active(u)) {
+ SET_FOREACH(other, UNIT(s)->dependencies[UNIT_TRIGGERS], i)
+ if (unit_active_or_pending(other)) {
pending = true;
break;
}
if (!pending) {
+ if (!UNIT_ISSET(s->service)) {
+ log_error_unit(UNIT(s)->id, "%s: service to activate vanished, refusing activation.", UNIT(s)->id);
+ r = -ENOENT;
+ goto fail;
+ }
+
r = manager_add_job(UNIT(s)->manager, JOB_START, UNIT_DEREF(s->service), JOB_REPLACE, true, &error, NULL);
if (r < 0)
goto fail;
socket_set_state(s, SOCKET_RUNNING);
} else {
- char *prefix, *instance = NULL, *name;
+ _cleanup_free_ char *prefix = NULL, *instance = NULL, *name = NULL;
Service *service;
if (s->n_connections >= s->max_connections) {
- log_warning("Too many incoming connections (%u)", s->n_connections);
- close_nointr_nofail(cfd);
+ log_warning_unit(UNIT(s)->id, "%s: Too many incoming connections (%u)", UNIT(s)->id, s->n_connections);
+ safe_close(cfd);
return;
}
/* ENOTCONN is legitimate if TCP RST was received.
* This connection is over, but the socket unit lives on. */
- close_nointr_nofail(cfd);
+ safe_close(cfd);
return;
}
prefix = unit_name_to_prefix(UNIT(s)->id);
if (!prefix) {
- free(instance);
r = -ENOMEM;
goto fail;
}
name = unit_name_build(prefix, instance, ".service");
- free(prefix);
- free(instance);
-
if (!name) {
r = -ENOMEM;
goto fail;
}
r = unit_add_name(UNIT_DEREF(s->service), name);
- if (r < 0) {
- free(name);
+ if (r < 0)
goto fail;
- }
service = SERVICE(UNIT_DEREF(s->service));
unit_ref_unset(&s->service);
UNIT(service)->no_gc = false;
unit_choose_id(UNIT(service), name);
- free(name);
r = service_set_socket_fd(service, cfd, s);
if (r < 0)
return;
fail:
- log_warning("%s failed to queue socket startup job: %s", UNIT(s)->id, bus_error(&error, r));
- socket_enter_stop_pre(s, SOCKET_FAILURE_RESOURCES);
+ log_warning_unit(UNIT(s)->id, "%s failed to queue service startup job (Maybe the service file is missing or not a %s unit?): %s",
+ UNIT(s)->id, cfd >= 0 ? "template" : "non-template",
+ bus_error_message(&error, r));
- if (cfd >= 0)
- close_nointr_nofail(cfd);
-
- dbus_error_free(&error);
+ socket_enter_stop_pre(s, SOCKET_FAILURE_RESOURCES);
+ safe_close(cfd);
}
static void socket_run_next(Socket *s) {
s->control_command = s->control_command->command_next;
- if ((r = socket_spawn(s, s->control_command, &s->control_pid)) < 0)
+ r = socket_spawn(s, s->control_command, &s->control_pid);
+ if (r < 0)
goto fail;
return;
fail:
- log_warning("%s failed to run next task: %s", UNIT(s)->id, strerror(-r));
+ log_warning_unit(UNIT(s)->id, "%s failed to run next task: %s", UNIT(s)->id, strerror(-r));
if (s->state == SOCKET_START_POST)
socket_enter_stop_pre(s, SOCKET_FAILURE_RESOURCES);
/* We cannot fulfill this request right now, try again later
* please! */
- if (s->state == SOCKET_STOP_PRE ||
- s->state == SOCKET_STOP_PRE_SIGKILL ||
- s->state == SOCKET_STOP_PRE_SIGTERM ||
- s->state == SOCKET_STOP_POST ||
- s->state == SOCKET_FINAL_SIGTERM ||
- s->state == SOCKET_FINAL_SIGKILL)
+ if (IN_SET(s->state,
+ SOCKET_STOP_PRE,
+ SOCKET_STOP_PRE_SIGKILL,
+ SOCKET_STOP_PRE_SIGTERM,
+ SOCKET_STOP_POST,
+ SOCKET_FINAL_SIGTERM,
+ SOCKET_FINAL_SIGKILL))
return -EAGAIN;
- if (s->state == SOCKET_START_PRE ||
- s->state == SOCKET_START_POST)
+ /* Already on it! */
+ if (IN_SET(s->state,
+ SOCKET_START_PRE,
+ SOCKET_START_CHOWN,
+ SOCKET_START_POST))
return 0;
/* Cannot run this without the service being around */
- if (UNIT_DEREF(s->service)) {
+ if (UNIT_ISSET(s->service)) {
Service *service;
service = SERVICE(UNIT_DEREF(s->service));
if (UNIT(service)->load_state != UNIT_LOADED) {
- log_error("Socket service %s not loaded, refusing.", UNIT(service)->id);
+ log_error_unit(u->id, "Socket service %s not loaded, refusing.", UNIT(service)->id);
return -ENOENT;
}
if (service->state != SERVICE_DEAD &&
service->state != SERVICE_FAILED &&
service->state != SERVICE_AUTO_RESTART) {
- log_error("Socket service %s already active, refusing.", UNIT(service)->id);
+ log_error_unit(u->id, "Socket service %s already active, refusing.", UNIT(service)->id);
return -EBUSY;
}
-
-#ifdef HAVE_SYSV_COMPAT
- if (service->is_sysv) {
- log_error("Using SysV services for socket activation is not supported. Refusing.");
- return -ENOENT;
- }
-#endif
}
assert(s->state == SOCKET_DEAD || s->state == SOCKET_FAILED);
s->result = SOCKET_SUCCESS;
socket_enter_start_pre(s);
+
return 0;
}
assert(s);
/* Already on it */
- if (s->state == SOCKET_STOP_PRE ||
- s->state == SOCKET_STOP_PRE_SIGTERM ||
- s->state == SOCKET_STOP_PRE_SIGKILL ||
- s->state == SOCKET_STOP_POST ||
- s->state == SOCKET_FINAL_SIGTERM ||
- s->state == SOCKET_FINAL_SIGKILL)
+ if (IN_SET(s->state,
+ SOCKET_STOP_PRE,
+ SOCKET_STOP_PRE_SIGTERM,
+ SOCKET_STOP_PRE_SIGKILL,
+ SOCKET_STOP_POST,
+ SOCKET_FINAL_SIGTERM,
+ SOCKET_FINAL_SIGKILL))
return 0;
/* If there's already something running we go directly into
* kill mode. */
- if (s->state == SOCKET_START_PRE ||
- s->state == SOCKET_START_POST) {
+ if (IN_SET(s->state,
+ SOCKET_START_PRE,
+ SOCKET_START_CHOWN,
+ SOCKET_START_POST)) {
socket_enter_signal(s, SOCKET_STOP_PRE_SIGTERM, SOCKET_SUCCESS);
return -EAGAIN;
}
unit_serialize_item_format(u, f, "n-accepted", "%u", s->n_accepted);
if (s->control_pid > 0)
- unit_serialize_item_format(u, f, "control-pid", "%lu", (unsigned long) s->control_pid);
+ unit_serialize_item_format(u, f, "control-pid", PID_FMT, s->control_pid);
if (s->control_command_id >= 0)
unit_serialize_item(u, f, "control-command", socket_exec_command_to_string(s->control_command_id));
if (p->fd < 0)
continue;
- if ((copy = fdset_put_dup(fds, p->fd)) < 0)
+ copy = fdset_put_dup(fds, p->fd);
+ if (copy < 0)
return copy;
if (p->type == SOCKET_SOCKET) {
- char *t;
+ _cleanup_free_ char *t = NULL;
- if ((r = socket_address_print(&p->address, &t)) < 0)
+ r = socket_address_print(&p->address, &t);
+ if (r < 0)
return r;
if (socket_address_family(&p->address) == AF_NETLINK)
unit_serialize_item_format(u, f, "netlink", "%i %s", copy, t);
else
unit_serialize_item_format(u, f, "socket", "%i %i %s", copy, p->address.type, t);
- free(t);
+
} else if (p->type == SOCKET_SPECIAL)
unit_serialize_item_format(u, f, "special", "%i %s", copy, p->path);
+ else if (p->type == SOCKET_MQUEUE)
+ unit_serialize_item_format(u, f, "mqueue", "%i %s", copy, p->path);
else {
assert(p->type == SOCKET_FIFO);
unit_serialize_item_format(u, f, "fifo", "%i %s", copy, p->path);
assert(u);
assert(key);
assert(value);
- assert(fds);
if (streq(key, "state")) {
SocketState state;
- if ((state = socket_state_from_string(value)) < 0)
- log_debug("Failed to parse state value %s", value);
+ state = socket_state_from_string(value);
+ if (state < 0)
+ log_debug_unit(u->id, "Failed to parse state value %s", value);
else
s->deserialized_state = state;
} else if (streq(key, "result")) {
f = socket_result_from_string(value);
if (f < 0)
- log_debug("Failed to parse result value %s", value);
+ log_debug_unit(u->id, "Failed to parse result value %s", value);
else if (f != SOCKET_SUCCESS)
s->result = f;
unsigned k;
if (safe_atou(value, &k) < 0)
- log_debug("Failed to parse n-accepted value %s", value);
+ log_debug_unit(u->id, "Failed to parse n-accepted value %s", value);
else
s->n_accepted += k;
} else if (streq(key, "control-pid")) {
pid_t pid;
if (parse_pid(value, &pid) < 0)
- log_debug("Failed to parse control-pid value %s", value);
+ log_debug_unit(u->id, "Failed to parse control-pid value %s", value);
else
s->control_pid = pid;
} else if (streq(key, "control-command")) {
SocketExecCommand id;
- if ((id = socket_exec_command_from_string(value)) < 0)
- log_debug("Failed to parse exec-command value %s", value);
+ id = socket_exec_command_from_string(value);
+ if (id < 0)
+ log_debug_unit(u->id, "Failed to parse exec-command value %s", value);
else {
s->control_command_id = id;
s->control_command = s->exec_command[id];
SocketPort *p;
if (sscanf(value, "%i %n", &fd, &skip) < 1 || fd < 0 || !fdset_contains(fds, fd))
- log_debug("Failed to parse fifo value %s", value);
+ log_debug_unit(u->id, "Failed to parse fifo value %s", value);
else {
LIST_FOREACH(port, p, s->ports)
break;
if (p) {
- if (p->fd >= 0)
- close_nointr_nofail(p->fd);
+ safe_close(p->fd);
p->fd = fdset_remove(fds, fd);
}
}
SocketPort *p;
if (sscanf(value, "%i %n", &fd, &skip) < 1 || fd < 0 || !fdset_contains(fds, fd))
- log_debug("Failed to parse special value %s", value);
+ log_debug_unit(u->id, "Failed to parse special value %s", value);
else {
LIST_FOREACH(port, p, s->ports)
break;
if (p) {
- if (p->fd >= 0)
- close_nointr_nofail(p->fd);
+ safe_close(p->fd);
+ p->fd = fdset_remove(fds, fd);
+ }
+ }
+
+ } else if (streq(key, "mqueue")) {
+ int fd, skip = 0;
+ SocketPort *p;
+
+ if (sscanf(value, "%i %n", &fd, &skip) < 1 || fd < 0 || !fdset_contains(fds, fd))
+ log_debug_unit(u->id, "Failed to parse mqueue value %s", value);
+ else {
+
+ LIST_FOREACH(port, p, s->ports)
+ if (p->type == SOCKET_MQUEUE &&
+ streq_ptr(p->path, value+skip))
+ break;
+
+ if (p) {
+ safe_close(p->fd);
p->fd = fdset_remove(fds, fd);
}
}
SocketPort *p;
if (sscanf(value, "%i %i %n", &fd, &type, &skip) < 2 || fd < 0 || type < 0 || !fdset_contains(fds, fd))
- log_debug("Failed to parse socket value %s", value);
+ log_debug_unit(u->id, "Failed to parse socket value %s", value);
else {
LIST_FOREACH(port, p, s->ports)
break;
if (p) {
- if (p->fd >= 0)
- close_nointr_nofail(p->fd);
+ safe_close(p->fd);
p->fd = fdset_remove(fds, fd);
}
}
SocketPort *p;
if (sscanf(value, "%i %n", &fd, &skip) < 1 || fd < 0 || !fdset_contains(fds, fd))
- log_debug("Failed to parse socket value %s", value);
+ log_debug_unit(u->id, "Failed to parse socket value %s", value);
else {
LIST_FOREACH(port, p, s->ports)
break;
if (p) {
- if (p->fd >= 0)
- close_nointr_nofail(p->fd);
+ safe_close(p->fd);
p->fd = fdset_remove(fds, fd);
}
}
-
} else
- log_debug("Unknown serialization key '%s'", key);
+ log_debug_unit(UNIT(s)->id, "Unknown serialization key '%s'", key);
+
+ return 0;
+}
+
+static int socket_distribute_fds(Unit *u, FDSet *fds) {
+ Socket *s = SOCKET(u);
+ SocketPort *p;
+
+ assert(u);
+
+ LIST_FOREACH(port, p, s->ports) {
+ Iterator i;
+ int fd;
+
+ if (p->type != SOCKET_SOCKET)
+ continue;
+
+ if (p->fd >= 0)
+ continue;
+
+ FDSET_FOREACH(fd, fds, i) {
+ if (socket_address_matches_fd(&p->address, fd)) {
+ p->fd = fdset_remove(fds, fd);
+ s->deserialized_state = SOCKET_LISTENING;
+ break;
+ }
+ }
+ }
return 0;
}
-static UnitActiveState socket_active_state(Unit *u) {
+_pure_ static UnitActiveState socket_active_state(Unit *u) {
assert(u);
return state_translation_table[SOCKET(u)->state];
}
-static const char *socket_sub_state_to_string(Unit *u) {
+_pure_ static const char *socket_sub_state_to_string(Unit *u) {
assert(u);
return socket_state_to_string(SOCKET(u)->state);
}
-static bool socket_check_gc(Unit *u) {
+const char* socket_port_type_to_string(SocketPort *p) {
+
+ assert(p);
+
+ switch (p->type) {
+
+ case SOCKET_SOCKET:
+
+ switch (p->address.type) {
+
+ case SOCK_STREAM:
+ return "Stream";
+
+ case SOCK_DGRAM:
+ return "Datagram";
+
+ case SOCK_SEQPACKET:
+ return "SequentialPacket";
+
+ case SOCK_RAW:
+ if (socket_address_family(&p->address) == AF_NETLINK)
+ return "Netlink";
+
+ default:
+ return NULL;
+ }
+
+ case SOCKET_SPECIAL:
+ return "Special";
+
+ case SOCKET_MQUEUE:
+ return "MessageQueue";
+
+ case SOCKET_FIFO:
+ return "FIFO";
+
+ default:
+ return NULL;
+ }
+}
+
+_pure_ static bool socket_check_gc(Unit *u) {
Socket *s = SOCKET(u);
assert(u);
return s->n_connections > 0;
}
-static void socket_fd_event(Unit *u, int fd, uint32_t events, Watch *w) {
- Socket *s = SOCKET(u);
+static int socket_dispatch_io(sd_event_source *source, int fd, uint32_t revents, void *userdata) {
+ SocketPort *p = userdata;
int cfd = -1;
- assert(s);
+ assert(p);
assert(fd >= 0);
- if (s->state != SOCKET_LISTENING)
- return;
+ if (p->socket->state != SOCKET_LISTENING)
+ return 0;
- log_debug("Incoming traffic on %s", u->id);
+ log_debug_unit(UNIT(p->socket)->id, "Incoming traffic on %s", UNIT(p->socket)->id);
- if (events != EPOLLIN) {
+ if (revents != EPOLLIN) {
- if (events & EPOLLHUP)
- log_error("%s: Got POLLHUP on a listening socket. The service probably invoked shutdown() on it, and should better not do that.", u->id);
+ if (revents & EPOLLHUP)
+ log_error_unit(UNIT(p->socket)->id, "%s: Got POLLHUP on a listening socket. The service probably invoked shutdown() on it, and should better not do that.",
+ UNIT(p->socket)->id);
else
- log_error("%s: Got unexpected poll event (0x%x) on socket.", u->id, events);
+ log_error_unit(UNIT(p->socket)->id, "%s: Got unexpected poll event (0x%x) on socket.",
+ UNIT(p->socket)->id, revents);
goto fail;
}
- if (w->socket_accept) {
+ if (p->socket->accept &&
+ p->type == SOCKET_SOCKET &&
+ socket_address_can_accept(&p->address)) {
+
for (;;) {
- if ((cfd = accept4(fd, NULL, NULL, SOCK_NONBLOCK)) < 0) {
+ cfd = accept4(fd, NULL, NULL, SOCK_NONBLOCK);
+ if (cfd < 0) {
if (errno == EINTR)
continue;
- log_error("Failed to accept socket: %m");
+ log_error_unit(UNIT(p->socket)->id,
+ "Failed to accept socket: %m");
goto fail;
}
break;
}
- socket_apply_socket_options(s, cfd);
+ socket_apply_socket_options(p->socket, cfd);
}
- socket_enter_running(s, cfd);
- return;
+ socket_enter_running(p->socket, cfd);
+ return 0;
fail:
- socket_enter_stop_pre(s, SOCKET_FAILURE_RESOURCES);
+ socket_enter_stop_pre(p->socket, SOCKET_FAILURE_RESOURCES);
+ return 0;
}
static void socket_sigchld_event(Unit *u, pid_t pid, int code, int status) {
else if (code == CLD_DUMPED)
f = SOCKET_FAILURE_CORE_DUMP;
else
- assert_not_reached("Unknown code");
+ assert_not_reached("Unknown sigchld code");
if (s->control_command) {
exec_status_exit(&s->control_command->exec_status, &s->exec_context, pid, code, status);
f = SOCKET_SUCCESS;
}
- log_full(f == SOCKET_SUCCESS ? LOG_DEBUG : LOG_NOTICE,
- "%s control process exited, code=%s status=%i", u->id, sigchld_code_to_string(code), status);
+ log_full_unit(f == SOCKET_SUCCESS ? LOG_DEBUG : LOG_NOTICE,
+ u->id,
+ "%s control process exited, code=%s status=%i",
+ u->id, sigchld_code_to_string(code), status);
if (f != SOCKET_SUCCESS)
s->result = f;
s->control_command->command_next &&
f == SOCKET_SUCCESS) {
- log_debug("%s running next command for state %s", u->id, socket_state_to_string(s->state));
+ log_debug_unit(u->id,
+ "%s running next command for state %s",
+ u->id, socket_state_to_string(s->state));
socket_run_next(s);
} else {
s->control_command = NULL;
/* No further commands for this step, so let's figure
* out what to do next */
- log_debug("%s got final SIGCHLD for state %s", u->id, socket_state_to_string(s->state));
+ log_debug_unit(u->id,
+ "%s got final SIGCHLD for state %s",
+ u->id, socket_state_to_string(s->state));
switch (s->state) {
case SOCKET_START_PRE:
if (f == SOCKET_SUCCESS)
- socket_enter_start_post(s);
+ socket_enter_start_chown(s);
else
socket_enter_signal(s, SOCKET_FINAL_SIGTERM, f);
break;
+ case SOCKET_START_CHOWN:
+ if (f == SOCKET_SUCCESS)
+ socket_enter_start_post(s);
+ else
+ socket_enter_stop_pre(s, f);
+ break;
+
case SOCKET_START_POST:
if (f == SOCKET_SUCCESS)
socket_enter_listening(s);
unit_add_to_dbus_queue(u);
}
-static void socket_timer_event(Unit *u, uint64_t elapsed, Watch *w) {
- Socket *s = SOCKET(u);
+static int socket_dispatch_timer(sd_event_source *source, usec_t usec, void *userdata) {
+ Socket *s = SOCKET(userdata);
assert(s);
- assert(elapsed == 1);
- assert(w == &s->timer_watch);
+ assert(s->timer_event_source == source);
switch (s->state) {
case SOCKET_START_PRE:
- log_warning("%s starting timed out. Terminating.", u->id);
+ log_warning_unit(UNIT(s)->id, "%s starting timed out. Terminating.", UNIT(s)->id);
socket_enter_signal(s, SOCKET_FINAL_SIGTERM, SOCKET_FAILURE_TIMEOUT);
break;
+ case SOCKET_START_CHOWN:
case SOCKET_START_POST:
- log_warning("%s starting timed out. Stopping.", u->id);
+ log_warning_unit(UNIT(s)->id, "%s starting timed out. Stopping.", UNIT(s)->id);
socket_enter_stop_pre(s, SOCKET_FAILURE_TIMEOUT);
break;
case SOCKET_STOP_PRE:
- log_warning("%s stopping timed out. Terminating.", u->id);
+ log_warning_unit(UNIT(s)->id, "%s stopping timed out. Terminating.", UNIT(s)->id);
socket_enter_signal(s, SOCKET_STOP_PRE_SIGTERM, SOCKET_FAILURE_TIMEOUT);
break;
case SOCKET_STOP_PRE_SIGTERM:
if (s->kill_context.send_sigkill) {
- log_warning("%s stopping timed out. Killing.", u->id);
+ log_warning_unit(UNIT(s)->id, "%s stopping timed out. Killing.", UNIT(s)->id);
socket_enter_signal(s, SOCKET_STOP_PRE_SIGKILL, SOCKET_FAILURE_TIMEOUT);
} else {
- log_warning("%s stopping timed out. Skipping SIGKILL. Ignoring.", u->id);
+ log_warning_unit(UNIT(s)->id, "%s stopping timed out. Skipping SIGKILL. Ignoring.", UNIT(s)->id);
socket_enter_stop_post(s, SOCKET_FAILURE_TIMEOUT);
}
break;
case SOCKET_STOP_PRE_SIGKILL:
- log_warning("%s still around after SIGKILL. Ignoring.", u->id);
+ log_warning_unit(UNIT(s)->id, "%s still around after SIGKILL. Ignoring.", UNIT(s)->id);
socket_enter_stop_post(s, SOCKET_FAILURE_TIMEOUT);
break;
case SOCKET_STOP_POST:
- log_warning("%s stopping timed out (2). Terminating.", u->id);
+ log_warning_unit(UNIT(s)->id, "%s stopping timed out (2). Terminating.", UNIT(s)->id);
socket_enter_signal(s, SOCKET_FINAL_SIGTERM, SOCKET_FAILURE_TIMEOUT);
break;
case SOCKET_FINAL_SIGTERM:
if (s->kill_context.send_sigkill) {
- log_warning("%s stopping timed out (2). Killing.", u->id);
+ log_warning_unit(UNIT(s)->id, "%s stopping timed out (2). Killing.", UNIT(s)->id);
socket_enter_signal(s, SOCKET_FINAL_SIGKILL, SOCKET_FAILURE_TIMEOUT);
} else {
- log_warning("%s stopping timed out (2). Skipping SIGKILL. Ignoring.", u->id);
+ log_warning_unit(UNIT(s)->id, "%s stopping timed out (2). Skipping SIGKILL. Ignoring.", UNIT(s)->id);
socket_enter_dead(s, SOCKET_FAILURE_TIMEOUT);
}
break;
case SOCKET_FINAL_SIGKILL:
- log_warning("%s still around after SIGKILL (2). Entering failed mode.", u->id);
+ log_warning_unit(UNIT(s)->id, "%s still around after SIGKILL (2). Entering failed mode.", UNIT(s)->id);
socket_enter_dead(s, SOCKET_FAILURE_TIMEOUT);
break;
default:
assert_not_reached("Timeout at wrong time.");
}
+
+ return 0;
}
int socket_collect_fds(Socket *s, int **fds, unsigned *n_fds) {
return 0;
}
-void socket_notify_service_dead(Socket *s, bool failed_permanent) {
+static void socket_reset_failed(Unit *u) {
+ Socket *s = SOCKET(u);
+
+ assert(s);
+
+ if (s->state == SOCKET_FAILED)
+ socket_set_state(s, SOCKET_DEAD);
+
+ s->result = SOCKET_SUCCESS;
+}
+
+static void socket_notify_service_dead(Socket *s, bool failed_permanent) {
assert(s);
/* The service is dead. Dang!
* services. */
if (s->state == SOCKET_RUNNING) {
- log_debug("%s got notified about service death (failed permanently: %s)", UNIT(s)->id, yes_no(failed_permanent));
+ log_debug_unit(UNIT(s)->id, "%s got notified about service death (failed permanently: %s)", UNIT(s)->id, yes_no(failed_permanent));
if (failed_permanent)
socket_enter_stop_pre(s, SOCKET_FAILURE_SERVICE_FAILED_PERMANENT);
else
assert(s->n_connections > 0);
s->n_connections--;
- log_debug("%s: One connection closed, %u left.", UNIT(s)->id, s->n_connections);
+ log_debug_unit(UNIT(s)->id, "%s: One connection closed, %u left.", UNIT(s)->id, s->n_connections);
}
-static void socket_reset_failed(Unit *u) {
+static void socket_trigger_notify(Unit *u, Unit *other) {
Socket *s = SOCKET(u);
+ Service *se;
- assert(s);
-
- if (s->state == SOCKET_FAILED)
- socket_set_state(s, SOCKET_DEAD);
-
- s->result = SOCKET_SUCCESS;
-}
+ assert(u);
+ assert(other);
-static int socket_kill(Unit *u, KillWho who, int signo, DBusError *error) {
- Socket *s = SOCKET(u);
- int r = 0;
- Set *pid_set = NULL;
+ /* Don't propagate state changes from the service if we are
+ already down or accepting connections */
+ if ((s->state != SOCKET_RUNNING &&
+ s->state != SOCKET_LISTENING) ||
+ s->accept)
+ return;
- assert(s);
+ if (other->load_state != UNIT_LOADED ||
+ other->type != UNIT_SERVICE)
+ return;
- if (who == KILL_MAIN) {
- dbus_set_error(error, BUS_ERROR_NO_SUCH_PROCESS, "Socket units have no main processes");
- return -ESRCH;
- }
+ se = SERVICE(other);
- if (s->control_pid <= 0 && who == KILL_CONTROL) {
- dbus_set_error(error, BUS_ERROR_NO_SUCH_PROCESS, "No control process to kill");
- return -ESRCH;
- }
+ if (se->state == SERVICE_FAILED)
+ socket_notify_service_dead(s, se->result == SERVICE_FAILURE_START_LIMIT);
- if (who == KILL_CONTROL || who == KILL_ALL)
- if (s->control_pid > 0)
- if (kill(s->control_pid, signo) < 0)
- r = -errno;
+ if (se->state == SERVICE_DEAD ||
+ se->state == SERVICE_STOP ||
+ se->state == SERVICE_STOP_SIGTERM ||
+ se->state == SERVICE_STOP_SIGKILL ||
+ se->state == SERVICE_STOP_POST ||
+ se->state == SERVICE_FINAL_SIGTERM ||
+ se->state == SERVICE_FINAL_SIGKILL ||
+ se->state == SERVICE_AUTO_RESTART)
+ socket_notify_service_dead(s, false);
- if (who == KILL_ALL) {
- int q;
+ if (se->state == SERVICE_RUNNING)
+ socket_set_state(s, SOCKET_RUNNING);
+}
- pid_set = set_new(trivial_hash_func, trivial_compare_func);
- if (!pid_set)
- return -ENOMEM;
+static int socket_kill(Unit *u, KillWho who, int signo, sd_bus_error *error) {
+ return unit_kill_common(u, who, signo, -1, SOCKET(u)->control_pid, error);
+}
- /* Exclude the control pid from being killed via the cgroup */
- if (s->control_pid > 0) {
- q = set_put(pid_set, LONG_TO_PTR(s->control_pid));
- if (q < 0) {
- r = q;
- goto finish;
- }
- }
+static int socket_get_timeout(Unit *u, uint64_t *timeout) {
+ Socket *s = SOCKET(u);
+ int r;
- q = cgroup_bonding_kill_list(UNIT(s)->cgroup_bondings, signo, false, false, pid_set, NULL);
- if (q < 0 && q != -EAGAIN && q != -ESRCH && q != -ENOENT)
- r = q;
- }
+ if (!s->timer_event_source)
+ return 0;
-finish:
- if (pid_set)
- set_free(pid_set);
+ r = sd_event_source_get_time(s->timer_event_source, timeout);
+ if (r < 0)
+ return r;
- return r;
+ return 1;
}
static const char* const socket_state_table[_SOCKET_STATE_MAX] = {
[SOCKET_DEAD] = "dead",
[SOCKET_START_PRE] = "start-pre",
+ [SOCKET_START_CHOWN] = "start-chown",
[SOCKET_START_POST] = "start-post",
[SOCKET_LISTENING] = "listening",
[SOCKET_RUNNING] = "running",
static const char* const socket_exec_command_table[_SOCKET_EXEC_COMMAND_MAX] = {
[SOCKET_EXEC_START_PRE] = "StartPre",
+ [SOCKET_EXEC_START_CHOWN] = "StartChown",
[SOCKET_EXEC_START_POST] = "StartPost",
[SOCKET_EXEC_STOP_PRE] = "StopPre",
[SOCKET_EXEC_STOP_POST] = "StopPost"
const UnitVTable socket_vtable = {
.object_size = sizeof(Socket),
+ .exec_context_offset = offsetof(Socket, exec_context),
+ .cgroup_context_offset = offsetof(Socket, cgroup_context),
+ .kill_context_offset = offsetof(Socket, kill_context),
+ .exec_runtime_offset = offsetof(Socket, exec_runtime),
+
.sections =
"Unit\0"
"Socket\0"
"Install\0",
+ .private_section = "Socket",
.init = socket_init,
.done = socket_done,
.load = socket_load,
- .kill = socket_kill,
-
.coldplug = socket_coldplug,
.dump = socket_dump,
.start = socket_start,
.stop = socket_stop,
+ .kill = socket_kill,
+
+ .get_timeout = socket_get_timeout,
+
.serialize = socket_serialize,
.deserialize_item = socket_deserialize_item,
+ .distribute_fds = socket_distribute_fds,
.active_state = socket_active_state,
.sub_state_to_string = socket_sub_state_to_string,
.check_gc = socket_check_gc,
- .fd_event = socket_fd_event,
.sigchld_event = socket_sigchld_event,
- .timer_event = socket_timer_event,
+
+ .trigger_notify = socket_trigger_notify,
.reset_failed = socket_reset_failed,
.bus_interface = "org.freedesktop.systemd1.Socket",
- .bus_message_handler = bus_socket_message_handler,
- .bus_invalidating_properties = bus_socket_invalidating_properties,
+ .bus_vtable = bus_socket_vtable,
+ .bus_set_property = bus_socket_set_property,
+ .bus_commit_properties = bus_socket_commit_properties,
.status_message_formats = {
/*.starting_stopping = {
~ianmdlvl / elogind.git / blobdiff