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-rw-r--r--src/basic/env-util.c11
-rw-r--r--src/basic/env-util.h2
-rw-r--r--src/basic/fdset.c2
-rw-r--r--src/basic/fdset.h2
-rw-r--r--src/core/manager.c20
-rw-r--r--src/journal-remote/journal-remote.c3
-rw-r--r--src/journal/journald-server.c130
-rw-r--r--src/journal/journald-server.h13
-rw-r--r--src/journal/journald-stream.c68
-rw-r--r--src/journal/journald-stream.h4
-rw-r--r--src/journal/journald.c8
-rw-r--r--src/libsystemd/sd-daemon/sd-daemon.c9
-rw-r--r--src/nspawn/nspawn.c3
-rw-r--r--src/shared/ptyfwd.c1
-rw-r--r--src/systemctl/systemctl.c7
-rw-r--r--src/sysv-generator/sysv-generator.c476
16 files changed, 495 insertions, 264 deletions
diff --git a/src/basic/env-util.c b/src/basic/env-util.c
index 94cb251698..9ddac5d6a1 100644
--- a/src/basic/env-util.c
+++ b/src/basic/env-util.c
@@ -25,6 +25,7 @@
#include "alloc-util.h"
#include "def.h"
#include "env-util.h"
+#include "parse-util.h"
#include "string-util.h"
#include "strv.h"
#include "utf8.h"
@@ -594,3 +595,13 @@ char **replace_env_argv(char **argv, char **env) {
ret[k] = NULL;
return ret;
}
+
+int getenv_bool(const char *p) {
+ const char *e;
+
+ e = getenv(p);
+ if (!e)
+ return -ENXIO;
+
+ return parse_boolean(e);
+}
diff --git a/src/basic/env-util.h b/src/basic/env-util.h
index 803aa61cad..6485dade18 100644
--- a/src/basic/env-util.h
+++ b/src/basic/env-util.h
@@ -47,3 +47,5 @@ char **strv_env_unset_many(char **l, ...) _sentinel_;
char *strv_env_get_n(char **l, const char *name, size_t k) _pure_;
char *strv_env_get(char **x, const char *n) _pure_;
+
+int getenv_bool(const char *p);
diff --git a/src/basic/fdset.c b/src/basic/fdset.c
index 4b11e4ea09..42b0b2b98f 100644
--- a/src/basic/fdset.c
+++ b/src/basic/fdset.c
@@ -44,7 +44,7 @@ FDSet *fdset_new(void) {
return MAKE_FDSET(set_new(NULL));
}
-int fdset_new_array(FDSet **ret, int *fds, unsigned n_fds) {
+int fdset_new_array(FDSet **ret, const int *fds, unsigned n_fds) {
unsigned i;
FDSet *s;
int r;
diff --git a/src/basic/fdset.h b/src/basic/fdset.h
index 340438d7c4..70d8acbcff 100644
--- a/src/basic/fdset.h
+++ b/src/basic/fdset.h
@@ -35,7 +35,7 @@ int fdset_consume(FDSet *s, int fd);
bool fdset_contains(FDSet *s, int fd);
int fdset_remove(FDSet *s, int fd);
-int fdset_new_array(FDSet **ret, int *fds, unsigned n_fds);
+int fdset_new_array(FDSet **ret, const int *fds, unsigned n_fds);
int fdset_new_fill(FDSet **ret);
int fdset_new_listen_fds(FDSet **ret, bool unset);
diff --git a/src/core/manager.c b/src/core/manager.c
index d161e6c57b..b13663e702 100644
--- a/src/core/manager.c
+++ b/src/core/manager.c
@@ -86,6 +86,8 @@
#include "virt.h"
#include "watchdog.h"
+#define NOTIFY_RCVBUF_SIZE (8*1024*1024)
+
/* Initial delay and the interval for printing status messages about running jobs */
#define JOBS_IN_PROGRESS_WAIT_USEC (5*USEC_PER_SEC)
#define JOBS_IN_PROGRESS_PERIOD_USEC (USEC_PER_SEC / 3)
@@ -689,6 +691,8 @@ static int manager_setup_notify(Manager *m) {
if (fd < 0)
return log_error_errno(errno, "Failed to allocate notification socket: %m");
+ fd_inc_rcvbuf(fd, NOTIFY_RCVBUF_SIZE);
+
if (m->running_as == MANAGER_SYSTEM)
m->notify_socket = strdup("/run/systemd/notify");
else {
@@ -1488,7 +1492,7 @@ static unsigned manager_dispatch_dbus_queue(Manager *m) {
return n;
}
-static void manager_invoke_notify_message(Manager *m, Unit *u, pid_t pid, char *buf, size_t n, FDSet *fds) {
+static void manager_invoke_notify_message(Manager *m, Unit *u, pid_t pid, const char *buf, size_t n, FDSet *fds) {
_cleanup_strv_free_ char **tags = NULL;
assert(m);
@@ -1618,7 +1622,7 @@ static int manager_dispatch_notify_fd(sd_event_source *source, int fd, uint32_t
return 0;
}
-static void invoke_sigchld_event(Manager *m, Unit *u, siginfo_t *si) {
+static void invoke_sigchld_event(Manager *m, Unit *u, const siginfo_t *si) {
assert(m);
assert(u);
assert(si);
@@ -2000,8 +2004,7 @@ int manager_loop(Manager *m) {
m->exit_code = MANAGER_OK;
/* Release the path cache */
- set_free_free(m->unit_path_cache);
- m->unit_path_cache = NULL;
+ m->unit_path_cache = set_free_free(m->unit_path_cache);
manager_check_finished(m);
@@ -2111,6 +2114,9 @@ void manager_send_unit_audit(Manager *m, Unit *u, int type, bool success) {
const char *msg;
int audit_fd, r;
+ if (m->running_as != MANAGER_SYSTEM)
+ return;
+
audit_fd = get_audit_fd();
if (audit_fd < 0)
return;
@@ -2120,9 +2126,6 @@ void manager_send_unit_audit(Manager *m, Unit *u, int type, bool success) {
if (m->n_reloading > 0)
return;
- if (m->running_as != MANAGER_SYSTEM)
- return;
-
if (u->type != UNIT_SERVICE)
return;
@@ -2771,8 +2774,7 @@ static int create_generator_dir(Manager *m, char **generator, const char *name)
return log_oom();
if (!mkdtemp(p)) {
- log_error_errno(errno, "Failed to create generator directory %s: %m",
- p);
+ log_error_errno(errno, "Failed to create generator directory %s: %m", p);
free(p);
return -errno;
}
diff --git a/src/journal-remote/journal-remote.c b/src/journal-remote/journal-remote.c
index 20be542096..dc69bb8679 100644
--- a/src/journal-remote/journal-remote.c
+++ b/src/journal-remote/journal-remote.c
@@ -1256,7 +1256,6 @@ static int parse_argv(int argc, char *argv[]) {
};
int c, r;
- const char *p;
bool type_a, type_b;
assert(argc >= 0);
@@ -1417,7 +1416,7 @@ static int parse_argv(int argc, char *argv[]) {
case ARG_GNUTLS_LOG: {
#ifdef HAVE_GNUTLS
- p = optarg;
+ const char* p = optarg;
for (;;) {
_cleanup_free_ char *word = NULL;
diff --git a/src/journal/journald-server.c b/src/journal/journald-server.c
index ecf7b7a476..299b0a848f 100644
--- a/src/journal/journald-server.c
+++ b/src/journal/journald-server.c
@@ -78,6 +78,8 @@
#define RECHECK_SPACE_USEC (30*USEC_PER_SEC)
+#define NOTIFY_SNDBUF_SIZE (8*1024*1024)
+
static int determine_space_for(
Server *s,
JournalMetrics *metrics,
@@ -1457,6 +1459,126 @@ static int server_open_hostname(Server *s) {
return 0;
}
+static int dispatch_notify_event(sd_event_source *es, int fd, uint32_t revents, void *userdata) {
+ Server *s = userdata;
+ int r;
+
+ assert(s);
+ assert(s->notify_event_source == es);
+ assert(s->notify_fd == fd);
+
+ if (revents != EPOLLOUT) {
+ log_error("Invalid events on notify file descriptor.");
+ return -EINVAL;
+ }
+
+ /* The $NOTIFY_SOCKET is writable again, now send exactly one
+ * message on it. Either it's the initial READY=1 event or an
+ * stdout stream event. If there's nothing to write anymore,
+ * turn our event source off. The next time there's something
+ * to send it will be turned on again. */
+
+ if (!s->sent_notify_ready) {
+ static const char p[] =
+ "READY=1\n"
+ "STATUS=Processing requests...";
+ ssize_t l;
+
+ l = send(s->notify_fd, p, strlen(p), MSG_DONTWAIT);
+ if (l < 0) {
+ if (errno == EAGAIN)
+ return 0;
+
+ return log_error_errno(errno, "Failed to send READY=1 notification message: %m");
+ }
+
+ s->sent_notify_ready = true;
+ log_debug("Sent READY=1 notification.");
+
+ } else if (s->stdout_streams_notify_queue)
+ /* Dispatch one stream notification event */
+ stdout_stream_send_notify(s->stdout_streams_notify_queue);
+
+ /* Leave us enabled if there's still more to to do. */
+ if (s->stdout_streams_notify_queue)
+ return 0;
+
+ /* There was nothing to do anymore, let's turn ourselves off. */
+ r = sd_event_source_set_enabled(es, SD_EVENT_OFF);
+ if (r < 0)
+ return log_error_errno(r, "Failed to turn off notify event source: %m");
+
+ return 0;
+}
+
+static int server_connect_notify(Server *s) {
+ union sockaddr_union sa = {
+ .un.sun_family = AF_UNIX,
+ };
+ const char *e;
+ int r;
+
+ assert(s);
+ assert(s->notify_fd < 0);
+ assert(!s->notify_event_source);
+
+ /*
+ So here's the problem: we'd like to send notification
+ messages to PID 1, but we cannot do that via sd_notify(),
+ since that's synchronous, and we might end up blocking on
+ it. Specifically: given that PID 1 might block on
+ dbus-daemon during IPC, and dbus-daemon is logging to us,
+ and might hence block on us, we might end up in a deadlock
+ if we block on sending PID 1 notification messages -- by
+ generating a full blocking circle. To avoid this, let's
+ create a non-blocking socket, and connect it to the
+ notification socket, and then wait for POLLOUT before we
+ send anything. This should efficiently avoid any deadlocks,
+ as we'll never block on PID 1, hence PID 1 can safely block
+ on dbus-daemon which can safely block on us again.
+
+ Don't think that this issue is real? It is, see:
+ https://github.com/systemd/systemd/issues/1505
+ */
+
+ e = getenv("NOTIFY_SOCKET");
+ if (!e)
+ return 0;
+
+ if ((e[0] != '@' && e[0] != '/') || e[1] == 0) {
+ log_error("NOTIFY_SOCKET set to an invalid value: %s", e);
+ return -EINVAL;
+ }
+
+ if (strlen(e) > sizeof(sa.un.sun_path)) {
+ log_error("NOTIFY_SOCKET path too long: %s", e);
+ return -EINVAL;
+ }
+
+ s->notify_fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0);
+ if (s->notify_fd < 0)
+ return log_error_errno(errno, "Failed to create notify socket: %m");
+
+ (void) fd_inc_sndbuf(s->notify_fd, NOTIFY_SNDBUF_SIZE);
+
+ strncpy(sa.un.sun_path, e, sizeof(sa.un.sun_path));
+ if (sa.un.sun_path[0] == '@')
+ sa.un.sun_path[0] = 0;
+
+ r = connect(s->notify_fd, &sa.sa, offsetof(struct sockaddr_un, sun_path) + strlen(e));
+ if (r < 0)
+ return log_error_errno(errno, "Failed to connect to notify socket: %m");
+
+ r = sd_event_add_io(s->event, &s->notify_event_source, s->notify_fd, EPOLLOUT, dispatch_notify_event, s);
+ if (r < 0)
+ return log_error_errno(r, "Failed to watch notification socket: %m");
+
+ /* This should fire pretty soon, which we'll use to send the
+ * READY=1 event. */
+
+ return 0;
+}
+
int server_init(Server *s) {
_cleanup_fdset_free_ FDSet *fds = NULL;
int n, r, fd;
@@ -1465,7 +1587,7 @@ int server_init(Server *s) {
assert(s);
zero(*s);
- s->syslog_fd = s->native_fd = s->stdout_fd = s->dev_kmsg_fd = s->audit_fd = s->hostname_fd = -1;
+ s->syslog_fd = s->native_fd = s->stdout_fd = s->dev_kmsg_fd = s->audit_fd = s->hostname_fd = s->notify_fd = -1;
s->compress = true;
s->seal = true;
@@ -1511,8 +1633,6 @@ int server_init(Server *s) {
if (r < 0)
return log_error_errno(r, "Failed to create event loop: %m");
- sd_event_set_watchdog(s->event, true);
-
n = sd_listen_fds(true);
if (n < 0)
return log_error_errno(n, "Failed to read listening file descriptors from environment: %m");
@@ -1637,6 +1757,8 @@ int server_init(Server *s) {
server_cache_boot_id(s);
server_cache_machine_id(s);
+ (void) server_connect_notify(s);
+
return system_journal_open(s, false);
}
@@ -1685,6 +1807,7 @@ void server_done(Server *s) {
sd_event_source_unref(s->sigterm_event_source);
sd_event_source_unref(s->sigint_event_source);
sd_event_source_unref(s->hostname_event_source);
+ sd_event_source_unref(s->notify_event_source);
sd_event_unref(s->event);
safe_close(s->syslog_fd);
@@ -1693,6 +1816,7 @@ void server_done(Server *s) {
safe_close(s->dev_kmsg_fd);
safe_close(s->audit_fd);
safe_close(s->hostname_fd);
+ safe_close(s->notify_fd);
if (s->rate_limit)
journal_rate_limit_free(s->rate_limit);
diff --git a/src/journal/journald-server.h b/src/journal/journald-server.h
index a2631c6017..170602ea16 100644
--- a/src/journal/journald-server.h
+++ b/src/journal/journald-server.h
@@ -26,9 +26,12 @@
#include "sd-event.h"
+typedef struct Server Server;
+
#include "hashmap.h"
#include "journal-file.h"
#include "journald-rate-limit.h"
+#include "journald-stream.h"
#include "list.h"
typedef enum Storage {
@@ -48,15 +51,14 @@ typedef enum SplitMode {
_SPLIT_INVALID = -1
} SplitMode;
-typedef struct StdoutStream StdoutStream;
-
-typedef struct Server {
+struct Server {
int syslog_fd;
int native_fd;
int stdout_fd;
int dev_kmsg_fd;
int audit_fd;
int hostname_fd;
+ int notify_fd;
sd_event *event;
@@ -71,6 +73,7 @@ typedef struct Server {
sd_event_source *sigterm_event_source;
sd_event_source *sigint_event_source;
sd_event_source *hostname_event_source;
+ sd_event_source *notify_event_source;
JournalFile *runtime_journal;
JournalFile *system_journal;
@@ -111,6 +114,7 @@ typedef struct Server {
usec_t oldest_file_usec;
LIST_HEAD(StdoutStream, stdout_streams);
+ LIST_HEAD(StdoutStream, stdout_streams_notify_queue);
unsigned n_stdout_streams;
char *tty_path;
@@ -132,6 +136,7 @@ typedef struct Server {
struct udev *udev;
+ bool sent_notify_ready;
bool sync_scheduled;
char machine_id_field[sizeof("_MACHINE_ID=") + 32];
@@ -140,7 +145,7 @@ typedef struct Server {
/* Cached cgroup root, so that we don't have to query that all the time */
char *cgroup_root;
-} Server;
+};
#define SERVER_MACHINE_ID(s) ((s)->machine_id_field + strlen("_MACHINE_ID="))
diff --git a/src/journal/journald-stream.c b/src/journal/journald-stream.c
index 5300c61c02..fb6afee171 100644
--- a/src/journal/journald-stream.c
+++ b/src/journal/journald-stream.c
@@ -79,6 +79,7 @@ struct StdoutStream {
bool forward_to_console:1;
bool fdstore:1;
+ bool in_notify_queue:1;
char buffer[LINE_MAX+1];
size_t length;
@@ -88,6 +89,7 @@ struct StdoutStream {
char *state_file;
LIST_FIELDS(StdoutStream, stdout_stream);
+ LIST_FIELDS(StdoutStream, stdout_stream_notify_queue);
};
void stdout_stream_free(StdoutStream *s) {
@@ -98,6 +100,9 @@ void stdout_stream_free(StdoutStream *s) {
assert(s->server->n_stdout_streams > 0);
s->server->n_stdout_streams --;
LIST_REMOVE(stdout_stream, s->server->stdout_streams, s);
+
+ if (s->in_notify_queue)
+ LIST_REMOVE(stdout_stream_notify_queue, s->server->stdout_streams_notify_queue, s);
}
if (s->event_source) {
@@ -121,7 +126,7 @@ static void stdout_stream_destroy(StdoutStream *s) {
return;
if (s->state_file)
- unlink(s->state_file);
+ (void) unlink(s->state_file);
stdout_stream_free(s);
}
@@ -200,11 +205,15 @@ static int stdout_stream_save(StdoutStream *s) {
goto fail;
}
- /* Store the connection fd in PID 1, so that we get it passed
- * in again on next start */
- if (!s->fdstore) {
- sd_pid_notify_with_fds(0, false, "FDSTORE=1", &s->fd, 1);
- s->fdstore = true;
+ if (!s->fdstore && !s->in_notify_queue) {
+ LIST_PREPEND(stdout_stream_notify_queue, s->server->stdout_streams_notify_queue, s);
+ s->in_notify_queue = true;
+
+ if (s->server->notify_event_source) {
+ r = sd_event_source_set_enabled(s->server->notify_event_source, SD_EVENT_ON);
+ if (r < 0)
+ log_warning_errno(r, "Failed to enable notify event source: %m");
+ }
}
return 0;
@@ -729,3 +738,50 @@ int server_open_stdout_socket(Server *s) {
return 0;
}
+
+void stdout_stream_send_notify(StdoutStream *s) {
+ struct iovec iovec = {
+ .iov_base = (char*) "FDSTORE=1",
+ .iov_len = strlen("FDSTORE=1"),
+ };
+ struct msghdr msghdr = {
+ .msg_iov = &iovec,
+ .msg_iovlen = 1,
+ };
+ struct cmsghdr *cmsg;
+ ssize_t l;
+
+ assert(s);
+ assert(!s->fdstore);
+ assert(s->in_notify_queue);
+ assert(s->server);
+ assert(s->server->notify_fd >= 0);
+
+ /* Store the connection fd in PID 1, so that we get it passed
+ * in again on next start */
+
+ msghdr.msg_controllen = CMSG_SPACE(sizeof(int));
+ msghdr.msg_control = alloca0(msghdr.msg_controllen);
+
+ cmsg = CMSG_FIRSTHDR(&msghdr);
+ cmsg->cmsg_level = SOL_SOCKET;
+ cmsg->cmsg_type = SCM_RIGHTS;
+ cmsg->cmsg_len = CMSG_LEN(sizeof(int));
+
+ memcpy(CMSG_DATA(cmsg), &s->fd, sizeof(int));
+
+ l = sendmsg(s->server->notify_fd, &msghdr, MSG_DONTWAIT|MSG_NOSIGNAL);
+ if (l < 0) {
+ if (errno == EAGAIN)
+ return;
+
+ log_error_errno(errno, "Failed to send stream file descriptor to service manager: %m");
+ } else {
+ log_debug("Successfully sent stream file descriptor to service manager.");
+ s->fdstore = 1;
+ }
+
+ LIST_REMOVE(stdout_stream_notify_queue, s->server->stdout_streams_notify_queue, s);
+ s->in_notify_queue = false;
+
+}
diff --git a/src/journal/journald-stream.h b/src/journal/journald-stream.h
index 257dce45df..e3497f0ded 100644
--- a/src/journal/journald-stream.h
+++ b/src/journal/journald-stream.h
@@ -21,9 +21,13 @@
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
+typedef struct StdoutStream StdoutStream;
+
#include "fdset.h"
#include "journald-server.h"
int server_open_stdout_socket(Server *s);
int server_restore_streams(Server *s, FDSet *fds);
+
void stdout_stream_free(StdoutStream *s);
+void stdout_stream_send_notify(StdoutStream *s);
diff --git a/src/journal/journald.c b/src/journal/journald.c
index 83236ceba9..b137e3c7be 100644
--- a/src/journal/journald.c
+++ b/src/journal/journald.c
@@ -61,10 +61,6 @@ int main(int argc, char *argv[]) {
log_debug("systemd-journald running as pid "PID_FMT, getpid());
server_driver_message(&server, SD_MESSAGE_JOURNAL_START, "Journal started");
- sd_notify(false,
- "READY=1\n"
- "STATUS=Processing requests...");
-
for (;;) {
usec_t t = USEC_INFINITY, n;
@@ -117,10 +113,6 @@ int main(int argc, char *argv[]) {
server_driver_message(&server, SD_MESSAGE_JOURNAL_STOP, "Journal stopped");
finish:
- sd_notify(false,
- "STOPPING=1\n"
- "STATUS=Shutting down...");
-
server_done(&server);
return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
diff --git a/src/libsystemd/sd-daemon/sd-daemon.c b/src/libsystemd/sd-daemon/sd-daemon.c
index 77b5dd52f6..27045e25d0 100644
--- a/src/libsystemd/sd-daemon/sd-daemon.c
+++ b/src/libsystemd/sd-daemon/sd-daemon.c
@@ -44,6 +44,8 @@
#include "strv.h"
#include "util.h"
+#define SNDBUF_SIZE (8*1024*1024)
+
static void unsetenv_all(bool unset_environment) {
if (!unset_environment)
@@ -434,12 +436,19 @@ _public_ int sd_pid_notify_with_fds(pid_t pid, int unset_environment, const char
goto finish;
}
+ if (strlen(e) > sizeof(sockaddr.un.sun_path)) {
+ r = -EINVAL;
+ goto finish;
+ }
+
fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0);
if (fd < 0) {
r = -errno;
goto finish;
}
+ fd_inc_sndbuf(fd, SNDBUF_SIZE);
+
iovec.iov_len = strlen(state);
strncpy(sockaddr.un.sun_path, e, sizeof(sockaddr.un.sun_path));
diff --git a/src/nspawn/nspawn.c b/src/nspawn/nspawn.c
index 44f08ab1b4..ff12ca6498 100644
--- a/src/nspawn/nspawn.c
+++ b/src/nspawn/nspawn.c
@@ -3227,8 +3227,7 @@ int main(int argc, char *argv[]) {
}
for (;;) {
- _cleanup_close_pair_ int kmsg_socket_pair[2] = { -1, -1 }, rtnl_socket_pair[2] = { -1, -1 }, pid_socket_pair[2] = { -1, -1 },
- uid_shift_socket_pair[2] = { -1, -1 };
+ _cleanup_close_pair_ int kmsg_socket_pair[2] = { -1, -1 }, rtnl_socket_pair[2] = { -1, -1 }, pid_socket_pair[2] = { -1, -1 }, uid_shift_socket_pair[2] = { -1, -1 };
ContainerStatus container_status;
_cleanup_(barrier_destroy) Barrier barrier = BARRIER_NULL;
static const struct sigaction sa = {
diff --git a/src/shared/ptyfwd.c b/src/shared/ptyfwd.c
index 786752ea94..63e81f4894 100644
--- a/src/shared/ptyfwd.c
+++ b/src/shared/ptyfwd.c
@@ -413,6 +413,7 @@ PTYForward *pty_forward_free(PTYForward *f) {
sd_event_source_unref(f->stdin_event_source);
sd_event_source_unref(f->stdout_event_source);
sd_event_source_unref(f->master_event_source);
+ sd_event_source_unref(f->sigwinch_event_source);
sd_event_unref(f->event);
if (f->saved_stdout)
diff --git a/src/systemctl/systemctl.c b/src/systemctl/systemctl.c
index f5efa1a064..da816e6d0e 100644
--- a/src/systemctl/systemctl.c
+++ b/src/systemctl/systemctl.c
@@ -296,6 +296,10 @@ static bool install_client_side(void) {
if (arg_scope == UNIT_FILE_GLOBAL)
return true;
+ /* Unsupported environment variable, mostly for debugging purposes */
+ if (getenv_bool("SYSTEMCTL_INSTALL_CLIENT_SIDE") > 0)
+ return true;
+
return false;
}
@@ -5317,6 +5321,9 @@ static int enable_sysv_units(const char *verb, char **args) {
if (arg_scope != UNIT_FILE_SYSTEM)
return 0;
+ if (getenv_bool("SYSTEMCTL_SKIP_SYSV") > 0)
+ return 0;
+
if (!STR_IN_SET(verb,
"enable",
"disable",
diff --git a/src/sysv-generator/sysv-generator.c b/src/sysv-generator/sysv-generator.c
index 0a0b9269b3..b2d53d3b4f 100644
--- a/src/sysv-generator/sysv-generator.c
+++ b/src/sysv-generator/sysv-generator.c
@@ -26,7 +26,9 @@
#include <unistd.h>
#include "alloc-util.h"
+#include "dirent-util.h"
#include "fd-util.h"
+#include "fileio.h"
#include "hashmap.h"
#include "hexdecoct.h"
#include "install.h"
@@ -85,9 +87,13 @@ typedef struct SysvStub {
char **conflicts;
bool has_lsb;
bool reload;
+ bool loaded;
} SysvStub;
static void free_sysvstub(SysvStub *s) {
+ if (!s)
+ return;
+
free(s->name);
free(s->path);
free(s->description);
@@ -112,19 +118,14 @@ static void free_sysvstub_hashmapp(Hashmap **h) {
}
static int add_symlink(const char *service, const char *where) {
- _cleanup_free_ char *from = NULL, *to = NULL;
+ const char *from, *to;
int r;
assert(service);
assert(where);
- from = strjoin(arg_dest, "/", service, NULL);
- if (!from)
- return log_oom();
-
- to = strjoin(arg_dest, "/", where, ".wants/", service, NULL);
- if (!to)
- return log_oom();
+ from = strjoina(arg_dest, "/", service);
+ to = strjoina(arg_dest, "/", where, ".wants/", service);
mkdir_parents_label(to, 0755);
@@ -132,6 +133,7 @@ static int add_symlink(const char *service, const char *where) {
if (r < 0) {
if (errno == EEXIST)
return 0;
+
return -errno;
}
@@ -139,20 +141,19 @@ static int add_symlink(const char *service, const char *where) {
}
static int add_alias(const char *service, const char *alias) {
- _cleanup_free_ char *link = NULL;
+ const char *link;
int r;
assert(service);
assert(alias);
- link = strjoin(arg_dest, "/", alias, NULL);
- if (!link)
- return log_oom();
+ link = strjoina(arg_dest, "/", alias);
r = symlink(service, link);
if (r < 0) {
if (errno == EEXIST)
return 0;
+
return -errno;
}
@@ -160,26 +161,32 @@ static int add_alias(const char *service, const char *alias) {
}
static int generate_unit_file(SysvStub *s) {
- char **p;
+ _cleanup_free_ char *before = NULL, *after = NULL, *wants = NULL, *conflicts = NULL;
_cleanup_fclose_ FILE *f = NULL;
- _cleanup_free_ char *unit = NULL,
- *before = NULL, *after = NULL,
- *wants = NULL, *conflicts = NULL;
+ const char *unit;
+ char **p;
int r;
+ assert(s);
+
+ if (!s->loaded)
+ return 0;
+
+ unit = strjoina(arg_dest, "/", s->name);
+
before = strv_join(s->before, " ");
after = strv_join(s->after, " ");
wants = strv_join(s->wants, " ");
conflicts = strv_join(s->conflicts, " ");
- unit = strjoin(arg_dest, "/", s->name, NULL);
- if (!before || !after || !wants || !conflicts || !unit)
+
+ if (!before || !after || !wants || !conflicts)
return log_oom();
/* We might already have a symlink with the same name from a Provides:,
* or from backup files like /etc/init.d/foo.bak. Real scripts always win,
* so remove an existing link */
if (is_symlink(unit) > 0) {
- log_warning("Overwriting existing symlink %s with real service", unit);
+ log_warning("Overwriting existing symlink %s with real service.", unit);
(void) unlink(unit);
}
@@ -191,9 +198,11 @@ static int generate_unit_file(SysvStub *s) {
"# Automatically generated by systemd-sysv-generator\n\n"
"[Unit]\n"
"Documentation=man:systemd-sysv-generator(8)\n"
- "SourcePath=%s\n"
- "Description=%s\n",
- s->path, s->description);
+ "SourcePath=%s\n",
+ s->path);
+
+ if (s->description)
+ fprintf(f, "Description=%s\n", s->description);
if (!isempty(before))
fprintf(f, "Before=%s\n", before);
@@ -226,13 +235,17 @@ static int generate_unit_file(SysvStub *s) {
if (s->reload)
fprintf(f, "ExecReload=%s reload\n", s->path);
+ r = fflush_and_check(f);
+ if (r < 0)
+ return log_error_errno(r, "Failed to write unit %s: %m", unit);
+
STRV_FOREACH(p, s->wanted_by) {
r = add_symlink(s->name, *p);
if (r < 0)
- log_error_errno(r, "Failed to create 'Wants' symlink to %s: %m", *p);
+ log_warning_errno(r, "Failed to create 'Wants' symlink to %s, ignoring: %m", *p);
}
- return 0;
+ return 1;
}
static bool usage_contains_reload(const char *line) {
@@ -262,7 +275,7 @@ static char *sysv_translate_name(const char *name) {
return res;
}
-static int sysv_translate_facility(const char *name, const char *filename, char **_r) {
+static int sysv_translate_facility(const char *name, const char *filename, char **ret) {
/* We silently ignore the $ prefix here. According to the LSB
* spec it simply indicates whether something is a
@@ -281,31 +294,45 @@ static int sysv_translate_facility(const char *name, const char *filename, char
"time", SPECIAL_TIME_SYNC_TARGET,
};
- char *filename_no_sh, *e, *r;
+ char *filename_no_sh, *e, *m;
const char *n;
unsigned i;
+ int r;
assert(name);
- assert(_r);
+ assert(filename);
+ assert(ret);
n = *name == '$' ? name + 1 : name;
for (i = 0; i < ELEMENTSOF(table); i += 2) {
-
if (!streq(table[i], n))
continue;
if (!table[i+1])
return 0;
- r = strdup(table[i+1]);
- if (!r)
+ m = strdup(table[i+1]);
+ if (!m)
return log_oom();
- goto finish;
+ *ret = m;
+ return 1;
+ }
+
+ /* If we don't know this name, fallback heuristics to figure
+ * out whether something is a target or a service alias. */
+
+ /* Facilities starting with $ are most likely targets */
+ if (*name == '$') {
+ r = unit_name_build(n, NULL, ".target", ret);
+ if (r < 0)
+ return log_error_errno(r, "Failed to build name: %m");
+
+ return r;
}
- /* strip ".sh" suffix from file name for comparison */
+ /* Strip ".sh" suffix from file name for comparison */
filename_no_sh = strdupa(filename);
e = endswith(filename_no_sh, ".sh");
if (e) {
@@ -313,103 +340,103 @@ static int sysv_translate_facility(const char *name, const char *filename, char
filename = filename_no_sh;
}
- /* If we don't know this name, fallback heuristics to figure
- * out whether something is a target or a service alias. */
-
- if (*name == '$') {
- int k;
-
- /* Facilities starting with $ are most likely targets */
- k = unit_name_build(n, NULL, ".target", &r);
- if (k < 0)
- return k;
-
- } else if (streq_ptr(n, filename))
- /* Names equaling the file name of the services are redundant */
+ /* Names equaling the file name of the services are redundant */
+ if (streq_ptr(n, filename))
return 0;
- else
- /* Everything else we assume to be normal service names */
- r = sysv_translate_name(n);
- if (!r)
- return -ENOMEM;
-finish:
- *_r = r;
+ /* Everything else we assume to be normal service names */
+ m = sysv_translate_name(n);
+ if (!m)
+ return log_oom();
+ *ret = m;
return 1;
}
static int handle_provides(SysvStub *s, unsigned line, const char *full_text, const char *text) {
- const char *word, *state_;
- size_t z;
int r;
- FOREACH_WORD_QUOTED(word, z, text, state_) {
- _cleanup_free_ char *n = NULL, *m = NULL;
- UnitType t;
+ assert(s);
+ assert(full_text);
+ assert(text);
- n = strndup(word, z);
- if (!n)
- return log_oom();
+ for (;;) {
+ _cleanup_free_ char *word = NULL, *m = NULL;
- r = sysv_translate_facility(n, basename(s->path), &m);
+ r = extract_first_word(&text, &word, NULL, EXTRACT_QUOTES|EXTRACT_RELAX);
if (r < 0)
- return r;
+ return log_error_errno(r, "Failed to parse word from provides string: %m");
if (r == 0)
+ break;
+
+ r = sysv_translate_facility(word, basename(s->path), &m);
+ if (r <= 0) /* continue on error */
continue;
- t = unit_name_to_type(m);
- if (t == UNIT_SERVICE) {
+ switch (unit_name_to_type(m)) {
+
+ case UNIT_SERVICE:
log_debug("Adding Provides: alias '%s' for '%s'", m, s->name);
r = add_alias(s->name, m);
if (r < 0)
log_warning_errno(r, "[%s:%u] Failed to add LSB Provides name %s, ignoring: %m", s->path, line, m);
- } else if (t == UNIT_TARGET) {
+ break;
+
+ case UNIT_TARGET:
+
/* NB: SysV targets which are provided by a
* service are pulled in by the services, as
* an indication that the generic service is
* now available. This is strictly one-way.
* The targets do NOT pull in SysV services! */
+
r = strv_extend(&s->before, m);
if (r < 0)
return log_oom();
+
r = strv_extend(&s->wants, m);
if (r < 0)
return log_oom();
+
if (streq(m, SPECIAL_NETWORK_ONLINE_TARGET)) {
r = strv_extend(&s->before, SPECIAL_NETWORK_TARGET);
if (r < 0)
return log_oom();
}
- } else if (t == _UNIT_TYPE_INVALID)
+
+ break;
+
+ case _UNIT_TYPE_INVALID:
log_warning("Unit name '%s' is invalid", m);
- else
+ break;
+
+ default:
log_warning("Unknown unit type for unit '%s'", m);
+ }
}
- if (!isempty(state_))
- log_error("[%s:%u] Trailing garbage in Provides, ignoring.", s->path, line);
+
return 0;
}
static int handle_dependencies(SysvStub *s, unsigned line, const char *full_text, const char *text) {
- const char *word, *state_;
- size_t z;
int r;
- FOREACH_WORD_QUOTED(word, z, text, state_) {
- _cleanup_free_ char *n = NULL, *m = NULL;
- bool is_before;
+ assert(s);
+ assert(full_text);
+ assert(text);
- n = strndup(word, z);
- if (!n)
- return log_oom();
+ for (;;) {
+ _cleanup_free_ char *word = NULL, *m = NULL;
+ bool is_before;
- r = sysv_translate_facility(n, basename(s->path), &m);
- if (r < 0) {
- log_warning_errno(r, "[%s:%u] Failed to translate LSB dependency %s, ignoring: %m", s->path, line, n);
- continue;
- }
+ r = extract_first_word(&text, &word, NULL, EXTRACT_QUOTES|EXTRACT_RELAX);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse word from provides string: %m");
if (r == 0)
+ break;
+
+ r = sysv_translate_facility(word, basename(s->path), &m);
+ if (r <= 0) /* continue on error */
continue;
is_before = startswith_no_case(full_text, "X-Start-Before:");
@@ -419,15 +446,14 @@ static int handle_dependencies(SysvStub *s, unsigned line, const char *full_text
r = strv_extend(&s->after, m);
if (r < 0)
return log_oom();
+
r = strv_extend(&s->wants, m);
} else
r = strv_extend(is_before ? &s->before : &s->after, m);
-
if (r < 0)
return log_oom();
}
- if (!isempty(state_))
- log_warning("[%s:%u] Trailing garbage in %*s, ignoring.", s->path, line, (int)(strchr(full_text, ':') - full_text), full_text);
+
return 0;
}
@@ -445,24 +471,22 @@ static int load_sysv(SysvStub *s) {
_cleanup_free_ char *short_description = NULL, *long_description = NULL, *chkconfig_description = NULL;
char *description;
bool supports_reload = false;
+ char l[LINE_MAX];
assert(s);
f = fopen(s->path, "re");
- if (!f)
- return errno == ENOENT ? 0 : -errno;
+ if (!f) {
+ if (errno == ENOENT)
+ return 0;
- log_debug("Loading SysV script %s", s->path);
+ return log_error_errno(errno, "Failed to open %s: %m", s->path);
+ }
- while (!feof(f)) {
- char l[LINE_MAX], *t;
+ log_debug("Loading SysV script %s", s->path);
- if (!fgets(l, sizeof(l), f)) {
- if (feof(f))
- break;
-
- return log_error_errno(errno, "Failed to read configuration file '%s': %m", s->path);
- }
+ FOREACH_LINE(l, f, goto fail) {
+ char *t;
line++;
@@ -505,29 +529,25 @@ static int load_sysv(SysvStub *s) {
if (startswith_no_case(t, "description:")) {
- size_t k = strlen(t);
- char *d;
- const char *j;
+ size_t k;
+ const const char *j;
- if (t[k-1] == '\\') {
+ k = strlen(t);
+ if (k > 0 && t[k-1] == '\\') {
state = DESCRIPTION;
t[k-1] = 0;
}
j = strstrip(t+12);
- if (j && *j) {
- d = strdup(j);
- if (!d)
- return -ENOMEM;
- } else
- d = NULL;
+ if (isempty(j))
+ j = NULL;
- free(chkconfig_description);
- chkconfig_description = d;
+ r = free_and_strdup(&chkconfig_description, j);
+ if (r < 0)
+ return log_oom();
} else if (startswith_no_case(t, "pidfile:")) {
-
- char *fn;
+ const char *fn;
state = NORMAL;
@@ -537,12 +557,9 @@ static int load_sysv(SysvStub *s) {
continue;
}
- fn = strdup(fn);
- if (!fn)
- return -ENOMEM;
-
- free(s->pid_file);
- s->pid_file = fn;
+ r = free_and_strdup(&s->pid_file, fn);
+ if (r < 0)
+ return log_oom();
}
} else if (state == DESCRIPTION) {
@@ -550,25 +567,25 @@ static int load_sysv(SysvStub *s) {
/* Try to parse Red Hat style description
* continuation */
- size_t k = strlen(t);
+ size_t k;
char *j;
- if (t[k-1] == '\\')
+ k = strlen(t);
+ if (k > 0 && t[k-1] == '\\')
t[k-1] = 0;
else
state = NORMAL;
j = strstrip(t);
- if (j && *j) {
+ if (!isempty(j)) {
char *d = NULL;
if (chkconfig_description)
d = strjoin(chkconfig_description, " ", j, NULL);
else
d = strdup(j);
-
if (!d)
- return -ENOMEM;
+ return log_oom();
free(chkconfig_description);
chkconfig_description = d;
@@ -582,6 +599,7 @@ static int load_sysv(SysvStub *s) {
r = handle_provides(s, line, t, t + 9);
if (r < 0)
return r;
+
} else if (startswith_no_case(t, "Required-Start:") ||
startswith_no_case(t, "Should-Start:") ||
startswith_no_case(t, "X-Start-Before:") ||
@@ -593,55 +611,47 @@ static int load_sysv(SysvStub *s) {
if (r < 0)
return r;
-
} else if (startswith_no_case(t, "Description:")) {
- char *d, *j;
+ const char *j;
state = LSB_DESCRIPTION;
j = strstrip(t+12);
- if (j && *j) {
- d = strdup(j);
- if (!d)
- return -ENOMEM;
- } else
- d = NULL;
+ if (isempty(j))
+ j = NULL;
- free(long_description);
- long_description = d;
+ r = free_and_strdup(&long_description, j);
+ if (r < 0)
+ return log_oom();
} else if (startswith_no_case(t, "Short-Description:")) {
- char *d, *j;
+ const char *j;
state = LSB;
j = strstrip(t+18);
- if (j && *j) {
- d = strdup(j);
- if (!d)
- return -ENOMEM;
- } else
- d = NULL;
+ if (isempty(j))
+ j = NULL;
- free(short_description);
- short_description = d;
+ r = free_and_strdup(&short_description, j);
+ if (r < 0)
+ return log_oom();
} else if (state == LSB_DESCRIPTION) {
if (startswith(l, "#\t") || startswith(l, "# ")) {
- char *j;
+ const char *j;
j = strstrip(t);
- if (j && *j) {
+ if (!isempty(j)) {
char *d = NULL;
if (long_description)
d = strjoin(long_description, " ", t, NULL);
else
d = strdup(j);
-
if (!d)
- return -ENOMEM;
+ return log_oom();
free(long_description);
long_description = d;
@@ -672,12 +682,16 @@ static int load_sysv(SysvStub *s) {
d = strappend(s->has_lsb ? "LSB: " : "SYSV: ", description);
if (!d)
- return -ENOMEM;
+ return log_oom();
s->description = d;
}
+ s->loaded = true;
return 0;
+
+fail:
+ return log_error_errno(errno, "Failed to read configuration file '%s': %m", s->path);
}
static int fix_order(SysvStub *s, Hashmap *all_services) {
@@ -687,6 +701,9 @@ static int fix_order(SysvStub *s, Hashmap *all_services) {
assert(s);
+ if (!s->loaded)
+ return 0;
+
if (s->sysv_start_priority < 0)
return 0;
@@ -694,6 +711,9 @@ static int fix_order(SysvStub *s, Hashmap *all_services) {
if (s == other)
continue;
+ if (!other->loaded)
+ continue;
+
if (other->sysv_start_priority < 0)
continue;
@@ -706,13 +726,12 @@ static int fix_order(SysvStub *s, Hashmap *all_services) {
r = strv_extend(&s->after, other->name);
if (r < 0)
return log_oom();
- }
- else if (other->sysv_start_priority > s->sysv_start_priority) {
+
+ } else if (other->sysv_start_priority > s->sysv_start_priority) {
r = strv_extend(&s->before, other->name);
if (r < 0)
return log_oom();
- }
- else
+ } else
continue;
/* FIXME: Maybe we should compare the name here lexicographically? */
@@ -724,6 +743,9 @@ static int fix_order(SysvStub *s, Hashmap *all_services) {
static int enumerate_sysv(const LookupPaths *lp, Hashmap *all_services) {
char **path;
+ assert(lp);
+ assert(all_services);
+
STRV_FOREACH(path, lp->sysvinit_path) {
_cleanup_closedir_ DIR *d = NULL;
struct dirent *de;
@@ -731,21 +753,18 @@ static int enumerate_sysv(const LookupPaths *lp, Hashmap *all_services) {
d = opendir(*path);
if (!d) {
if (errno != ENOENT)
- log_warning_errno(errno, "opendir(%s) failed: %m", *path);
+ log_warning_errno(errno, "Opening %s failed, ignoring: %m", *path);
continue;
}
- while ((de = readdir(d))) {
+ FOREACH_DIRENT(de, d, log_error_errno(errno, "Failed to enumerate directory %s, ignoring: %m", *path)) {
_cleanup_free_ char *fpath = NULL, *name = NULL;
_cleanup_(free_sysvstubp) SysvStub *service = NULL;
struct stat st;
int r;
- if (hidden_file(de->d_name))
- continue;
-
if (fstatat(dirfd(d), de->d_name, &st, 0) < 0) {
- log_warning_errno(errno, "stat() failed on %s/%s: %m", *path, de->d_name);
+ log_warning_errno(errno, "stat() failed on %s/%s, ignoring: %m", *path, de->d_name);
continue;
}
@@ -762,15 +781,15 @@ static int enumerate_sysv(const LookupPaths *lp, Hashmap *all_services) {
if (hashmap_contains(all_services, name))
continue;
- fpath = strjoin(*path, "/", de->d_name, NULL);
- if (!fpath)
- return log_oom();
-
if (unit_file_lookup_state(UNIT_FILE_SYSTEM, NULL, lp, name) >= 0) {
log_debug("Native unit for %s already exists, skipping", name);
continue;
}
+ fpath = strjoin(*path, "/", de->d_name, NULL);
+ if (!fpath)
+ return log_oom();
+
service = new0(SysvStub, 1);
if (!service)
return log_oom();
@@ -778,12 +797,12 @@ static int enumerate_sysv(const LookupPaths *lp, Hashmap *all_services) {
service->sysv_start_priority = -1;
service->name = name;
service->path = fpath;
+ name = fpath = NULL;
r = hashmap_put(all_services, service->name, service);
if (r < 0)
return log_oom();
- name = fpath = NULL;
service = NULL;
}
}
@@ -792,43 +811,41 @@ static int enumerate_sysv(const LookupPaths *lp, Hashmap *all_services) {
}
static int set_dependencies_from_rcnd(const LookupPaths *lp, Hashmap *all_services) {
- char **p;
- unsigned i;
- _cleanup_closedir_ DIR *d = NULL;
- _cleanup_free_ char *path = NULL, *fpath = NULL;
- SysvStub *service;
- Iterator j;
Set *runlevel_services[ELEMENTSOF(rcnd_table)] = {};
_cleanup_set_free_ Set *shutdown_services = NULL;
- int r = 0;
+ SysvStub *service;
+ unsigned i;
+ Iterator j;
+ char **p;
+ int r;
- STRV_FOREACH(p, lp->sysvrcnd_path)
+ assert(lp);
+
+ STRV_FOREACH(p, lp->sysvrcnd_path) {
for (i = 0; i < ELEMENTSOF(rcnd_table); i ++) {
+
+ _cleanup_closedir_ DIR *d = NULL;
+ _cleanup_free_ char *path = NULL;
struct dirent *de;
- free(path);
path = strjoin(*p, "/", rcnd_table[i].path, NULL);
- if (!path)
- return -ENOMEM;
-
- safe_closedir(d);
+ if (!path) {
+ r = log_oom();
+ goto finish;
+ }
d = opendir(path);
if (!d) {
if (errno != ENOENT)
- log_warning_errno(errno, "opendir(%s) failed: %m", path);
+ log_warning_errno(errno, "Opening %s failed, ignoring: %m", path);
continue;
}
- while ((de = readdir(d))) {
- _cleanup_free_ char *name = NULL;
-
+ FOREACH_DIRENT(de, d, log_error_errno(errno, "Failed to enumerate directory %s, ignoring: %m", path)) {
+ _cleanup_free_ char *name = NULL, *fpath = NULL;
int a, b;
- if (hidden_file(de->d_name))
- continue;
-
if (de->d_name[0] != 'S' && de->d_name[0] != 'K')
continue;
@@ -841,10 +858,9 @@ static int set_dependencies_from_rcnd(const LookupPaths *lp, Hashmap *all_servic
if (a < 0 || b < 0)
continue;
- free(fpath);
fpath = strjoin(*p, "/", de->d_name, NULL);
if (!fpath) {
- r = -ENOMEM;
+ r = log_oom();
goto finish;
}
@@ -856,64 +872,77 @@ static int set_dependencies_from_rcnd(const LookupPaths *lp, Hashmap *all_servic
service = hashmap_get(all_services, name);
if (!service){
- log_debug("Ignoring %s symlink in %s, not generating %s.",
- de->d_name, rcnd_table[i].path, name);
+ log_debug("Ignoring %s symlink in %s, not generating %s.", de->d_name, rcnd_table[i].path, name);
continue;
}
if (de->d_name[0] == 'S') {
- if (rcnd_table[i].type == RUNLEVEL_UP) {
- service->sysv_start_priority =
- MAX(a*10 + b, service->sysv_start_priority);
- }
+ if (rcnd_table[i].type == RUNLEVEL_UP)
+ service->sysv_start_priority = MAX(a*10 + b, service->sysv_start_priority);
r = set_ensure_allocated(&runlevel_services[i], NULL);
- if (r < 0)
+ if (r < 0) {
+ log_oom();
goto finish;
+ }
r = set_put(runlevel_services[i], service);
- if (r < 0)
+ if (r < 0) {
+ log_oom();
goto finish;
+ }
} else if (de->d_name[0] == 'K' &&
(rcnd_table[i].type == RUNLEVEL_DOWN)) {
r = set_ensure_allocated(&shutdown_services, NULL);
- if (r < 0)
+ if (r < 0) {
+ log_oom();
goto finish;
+ }
r = set_put(shutdown_services, service);
- if (r < 0)
+ if (r < 0) {
+ log_oom();
goto finish;
+ }
}
}
}
+ }
for (i = 0; i < ELEMENTSOF(rcnd_table); i ++)
SET_FOREACH(service, runlevel_services[i], j) {
r = strv_extend(&service->before, rcnd_table[i].target);
- if (r < 0)
- return log_oom();
+ if (r < 0) {
+ log_oom();
+ goto finish;
+ }
r = strv_extend(&service->wanted_by, rcnd_table[i].target);
- if (r < 0)
- return log_oom();
+ if (r < 0) {
+ log_oom();
+ goto finish;
+ }
}
SET_FOREACH(service, shutdown_services, j) {
r = strv_extend(&service->before, SPECIAL_SHUTDOWN_TARGET);
- if (r < 0)
- return log_oom();
+ if (r < 0) {
+ log_oom();
+ goto finish;
+ }
r = strv_extend(&service->conflicts, SPECIAL_SHUTDOWN_TARGET);
- if (r < 0)
- return log_oom();
+ if (r < 0) {
+ log_oom();
+ goto finish;
+ }
}
r = 0;
finish:
-
for (i = 0; i < ELEMENTSOF(rcnd_table); i++)
set_free(runlevel_services[i]);
@@ -921,11 +950,11 @@ finish:
}
int main(int argc, char *argv[]) {
- int r, q;
- _cleanup_lookup_paths_free_ LookupPaths lp = {};
_cleanup_(free_sysvstub_hashmapp) Hashmap *all_services = NULL;
+ _cleanup_lookup_paths_free_ LookupPaths lp = {};
SysvStub *service;
Iterator j;
+ int r;
if (argc > 1 && argc != 4) {
log_error("This program takes three or no arguments.");
@@ -943,43 +972,34 @@ int main(int argc, char *argv[]) {
r = lookup_paths_init(&lp, MANAGER_SYSTEM, true, NULL, NULL, NULL, NULL);
if (r < 0) {
- log_error("Failed to find lookup paths.");
- return EXIT_FAILURE;
+ log_error_errno(r, "Failed to find lookup paths: %m");
+ goto finish;
}
all_services = hashmap_new(&string_hash_ops);
if (!all_services) {
- log_oom();
- return EXIT_FAILURE;
+ r = log_oom();
+ goto finish;
}
r = enumerate_sysv(&lp, all_services);
- if (r < 0) {
- log_error("Failed to generate units for all init scripts.");
- return EXIT_FAILURE;
- }
+ if (r < 0)
+ goto finish;
r = set_dependencies_from_rcnd(&lp, all_services);
- if (r < 0) {
- log_error("Failed to read runlevels from rcnd links.");
- return EXIT_FAILURE;
- }
+ if (r < 0)
+ goto finish;
- HASHMAP_FOREACH(service, all_services, j) {
- q = load_sysv(service);
- if (q < 0)
- continue;
- }
+ HASHMAP_FOREACH(service, all_services, j)
+ (void) load_sysv(service);
HASHMAP_FOREACH(service, all_services, j) {
- q = fix_order(service, all_services);
- if (q < 0)
- continue;
-
- q = generate_unit_file(service);
- if (q < 0)
- continue;
+ (void) fix_order(service, all_services);
+ (void) generate_unit_file(service);
}
- return EXIT_SUCCESS;
+ r = 0;
+
+finish:
+ return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-12-29 14:11:48 +0000