/* SPDX-License-Identifier: LGPL-2.1+ */
-/***
- This file is part of systemd.
-
- Copyright 2011 Lennart Poettering
-***/
#include <stddef.h>
#include <unistd.h>
#include "stdio-util.h"
#include "string-util.h"
#include "syslog-util.h"
+#include "tmpfile-util.h"
#include "unit-name.h"
#define STDOUT_STREAMS_MAX 4096
DEFINE_TRIVIAL_CLEANUP_FUNC(StdoutStream*, stdout_stream_free);
-static void stdout_stream_destroy(StdoutStream *s) {
+void stdout_stream_destroy(StdoutStream *s) {
if (!s)
return;
return -EINVAL;
}
- s->level_prefix = !!r;
+ s->level_prefix = r;
s->state = STDOUT_STREAM_FORWARD_TO_SYSLOG;
return 0;
return -EINVAL;
}
- s->forward_to_syslog = !!r;
+ s->forward_to_syslog = r;
s->state = STDOUT_STREAM_FORWARD_TO_KMSG;
return 0;
return -EINVAL;
}
- s->forward_to_kmsg = !!r;
+ s->forward_to_kmsg = r;
s->state = STDOUT_STREAM_FORWARD_TO_CONSOLE;
return 0;
return -EINVAL;
}
- s->forward_to_console = !!r;
+ s->forward_to_console = r;
s->state = STDOUT_STREAM_RUNNING;
/* Try to save the stream, so that journald can be restarted and we can recover */
return 0;
}
-static int stdout_stream_install(Server *s, int fd, StdoutStream **ret) {
+int stdout_stream_install(Server *s, int fd, StdoutStream **ret) {
_cleanup_(stdout_stream_freep) StdoutStream *stream = NULL;
sd_id128_t id;
int r;
assert(s);
- if (revents != EPOLLIN) {
- log_error("Got invalid event from epoll for stdout server fd: %"PRIx32, revents);
- return -EIO;
- }
+ if (revents != EPOLLIN)
+ return log_error_errno(SYNTHETIC_ERRNO(EIO),
+ "Got invalid event from epoll for stdout server fd: %" PRIx32,
+ revents);
fd = accept4(s->stdout_fd, NULL, NULL, SOCK_NONBLOCK|SOCK_CLOEXEC);
if (fd < 0) {
}
if (s->n_stdout_streams >= STDOUT_STREAMS_MAX) {
- log_warning("Too many stdout streams, refusing connection.");
+ struct ucred u;
+
+ r = getpeercred(fd, &u);
+
+ /* By closing fd here we make sure that the client won't wait too long for journald to
+ * gather all the data it adds to the error message to find out that the connection has
+ * just been refused.
+ */
+ fd = safe_close(fd);
+
+ server_driver_message(s, r < 0 ? 0 : u.pid, NULL, LOG_MESSAGE("Too many stdout streams, refusing connection."), NULL);
return 0;
}
return log_oom();
}
- r = parse_env_file(stream->state_file, NEWLINE,
+ r = parse_env_file(NULL, stream->state_file,
"PRIORITY", &priority,
"LEVEL_PREFIX", &level_prefix,
"FORWARD_TO_SYSLOG", &forward_to_syslog,
"FORWARD_TO_CONSOLE", &forward_to_console,
"IDENTIFIER", &stream->identifier,
"UNIT", &stream->unit_id,
- "STREAM_ID", &stream_id,
- NULL);
+ "STREAM_ID", &stream_id);
if (r < 0)
return log_error_errno(r, "Failed to read: %s", stream->state_file);
/* No file descriptor? Then let's delete the state file */
log_debug("Cannot restore stream file %s", de->d_name);
if (unlinkat(dirfd(d), de->d_name, 0) < 0)
- log_warning("Failed to remove /run/systemd/journal/streams/%s: %m",
- de->d_name);
+ log_warning_errno(errno, "Failed to remove /run/systemd/journal/streams/%s: %m",
+ de->d_name);
continue;
}
if (s->stdout_fd < 0)
return log_error_errno(errno, "socket() failed: %m");
- (void) unlink(sa.un.sun_path);
+ (void) sockaddr_un_unlink(&sa.un);
r = bind(s->stdout_fd, &sa.sa, SOCKADDR_UN_LEN(sa.un));
if (r < 0)
if (listen(s->stdout_fd, SOMAXCONN) < 0)
return log_error_errno(errno, "listen(%s) failed: %m", sa.un.sun_path);
} else
- fd_nonblock(s->stdout_fd, 1);
+ (void) fd_nonblock(s->stdout_fd, true);
r = sd_event_add_io(s->event, &s->stdout_event_source, s->stdout_fd, EPOLLIN, stdout_stream_new, s);
if (r < 0)