2012-11-01 23:08:03 +01:00
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/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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/***
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This file is part of systemd.
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Copyright 2012 Zbigniew Jędrzejewski-Szmek
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <errno.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/prctl.h>
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#include <sys/socket.h>
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#include <unistd.h>
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#include <getopt.h>
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#include "sd-daemon.h"
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2015-05-29 20:14:11 +02:00
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#include "signal-util.h"
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2012-11-01 23:08:03 +01:00
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#include "journal-file.h"
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#include "journald-native.h"
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#include "socket-util.h"
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#include "build.h"
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#include "macro.h"
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#include "strv.h"
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2014-03-15 20:58:03 +01:00
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#include "fileio.h"
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2014-03-31 05:08:02 +02:00
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#include "conf-parser.h"
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2014-03-15 20:58:03 +01:00
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#ifdef HAVE_GNUTLS
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#include <gnutls/gnutls.h>
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#endif
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2012-11-01 23:08:03 +01:00
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2014-07-02 06:15:37 +02:00
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#include "journal-remote.h"
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2012-11-01 23:08:03 +01:00
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#include "journal-remote-write.h"
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2014-06-22 19:36:31 +02:00
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#define REMOTE_JOURNAL_PATH "/var/log/journal/remote"
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2012-11-01 23:08:03 +01:00
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2014-08-03 07:12:30 +02:00
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#define PRIV_KEY_FILE CERTIFICATE_ROOT "/private/journal-remote.pem"
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#define CERT_FILE CERTIFICATE_ROOT "/certs/journal-remote.pem"
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#define TRUST_FILE CERTIFICATE_ROOT "/ca/trusted.pem"
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2014-03-31 05:08:02 +02:00
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2012-11-01 23:08:03 +01:00
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static char* arg_url = NULL;
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static char* arg_getter = NULL;
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static char* arg_listen_raw = NULL;
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2014-03-15 20:58:03 +01:00
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static char* arg_listen_http = NULL;
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static char* arg_listen_https = NULL;
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2014-03-17 03:33:35 +01:00
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static char** arg_files = NULL;
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2012-11-01 23:08:03 +01:00
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static int arg_compress = true;
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static int arg_seal = false;
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2014-03-17 03:33:35 +01:00
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static int http_socket = -1, https_socket = -1;
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2014-03-29 16:58:11 +01:00
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static char** arg_gnutls_log = NULL;
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2012-11-01 23:08:03 +01:00
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2014-07-02 06:15:37 +02:00
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static JournalWriteSplitMode arg_split_mode = JOURNAL_WRITE_SPLIT_HOST;
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2014-06-22 19:36:31 +02:00
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static char* arg_output = NULL;
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2014-03-31 05:08:02 +02:00
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static char *arg_key = NULL;
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static char *arg_cert = NULL;
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static char *arg_trust = NULL;
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static bool arg_trust_all = false;
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2014-03-15 20:58:03 +01:00
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2012-11-01 23:08:03 +01:00
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/**********************************************************************
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**********************************************************************
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**********************************************************************/
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static int spawn_child(const char* child, char** argv) {
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int fd[2];
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pid_t parent_pid, child_pid;
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int r;
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2014-11-28 19:57:32 +01:00
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if (pipe(fd) < 0)
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return log_error_errno(errno, "Failed to create pager pipe: %m");
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2012-11-01 23:08:03 +01:00
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parent_pid = getpid();
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child_pid = fork();
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if (child_pid < 0) {
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r = -errno;
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2014-11-28 19:29:59 +01:00
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log_error_errno(errno, "Failed to fork: %m");
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2014-03-24 03:22:44 +01:00
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safe_close_pair(fd);
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2012-11-01 23:08:03 +01:00
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return r;
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}
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/* In the child */
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if (child_pid == 0) {
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2015-05-31 23:55:55 +02:00
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(void) reset_all_signal_handlers();
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(void) reset_signal_mask();
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2012-11-01 23:08:03 +01:00
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r = dup2(fd[1], STDOUT_FILENO);
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if (r < 0) {
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2014-11-28 19:29:59 +01:00
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log_error_errno(errno, "Failed to dup pipe to stdout: %m");
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2012-11-01 23:08:03 +01:00
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_exit(EXIT_FAILURE);
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}
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2014-03-24 03:22:44 +01:00
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safe_close_pair(fd);
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2012-11-01 23:08:03 +01:00
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/* Make sure the child goes away when the parent dies */
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if (prctl(PR_SET_PDEATHSIG, SIGTERM) < 0)
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_exit(EXIT_FAILURE);
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/* Check whether our parent died before we were able
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* to set the death signal */
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if (getppid() != parent_pid)
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_exit(EXIT_SUCCESS);
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execvp(child, argv);
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2014-11-28 19:29:59 +01:00
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log_error_errno(errno, "Failed to exec child %s: %m", child);
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2012-11-01 23:08:03 +01:00
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_exit(EXIT_FAILURE);
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}
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r = close(fd[1]);
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if (r < 0)
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2014-11-28 19:29:59 +01:00
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log_warning_errno(errno, "Failed to close write end of pipe: %m");
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2012-11-01 23:08:03 +01:00
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return fd[0];
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}
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2014-06-22 19:36:31 +02:00
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static int spawn_curl(const char* url) {
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2012-11-01 23:08:03 +01:00
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char **argv = STRV_MAKE("curl",
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"-HAccept: application/vnd.fdo.journal",
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"--silent",
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"--show-error",
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url);
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int r;
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r = spawn_child("curl", argv);
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if (r < 0)
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2014-11-28 19:29:59 +01:00
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log_error_errno(errno, "Failed to spawn curl: %m");
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2012-11-01 23:08:03 +01:00
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return r;
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}
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2014-06-22 19:36:31 +02:00
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static int spawn_getter(const char *getter, const char *url) {
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2012-11-01 23:08:03 +01:00
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int r;
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2014-06-21 05:55:17 +02:00
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_cleanup_strv_free_ char **words = NULL;
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2012-11-01 23:08:03 +01:00
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assert(getter);
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2015-03-23 12:55:36 +01:00
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r = strv_split_quoted(&words, getter, 0);
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2014-11-28 18:23:20 +01:00
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if (r < 0)
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return log_error_errno(r, "Failed to split getter option: %m");
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2012-11-01 23:08:03 +01:00
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2014-06-22 19:36:31 +02:00
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r = strv_extend(&words, url);
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2014-11-28 18:23:20 +01:00
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if (r < 0)
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return log_error_errno(r, "Failed to create command line: %m");
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2014-06-22 19:36:31 +02:00
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2012-11-01 23:08:03 +01:00
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r = spawn_child(words[0], words);
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if (r < 0)
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2014-11-28 19:29:59 +01:00
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log_error_errno(errno, "Failed to spawn getter %s: %m", getter);
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2012-11-01 23:08:03 +01:00
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return r;
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}
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2014-07-02 06:15:37 +02:00
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#define filename_escape(s) xescape((s), "/ ")
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2014-06-22 19:36:31 +02:00
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static int open_output(Writer *w, const char* host) {
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_cleanup_free_ char *_output = NULL;
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const char *output;
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2012-11-01 23:08:03 +01:00
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int r;
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2014-06-22 19:36:31 +02:00
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switch (arg_split_mode) {
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case JOURNAL_WRITE_SPLIT_NONE:
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output = arg_output ?: REMOTE_JOURNAL_PATH "/remote.journal";
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break;
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2012-11-01 23:08:03 +01:00
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2014-06-22 19:36:31 +02:00
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case JOURNAL_WRITE_SPLIT_HOST: {
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_cleanup_free_ char *name;
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2012-11-01 23:08:03 +01:00
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2014-06-22 19:36:31 +02:00
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assert(host);
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2012-11-01 23:08:03 +01:00
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2014-06-22 19:36:31 +02:00
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name = filename_escape(host);
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if (!name)
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return log_oom();
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r = asprintf(&_output, "%s/remote-%s.journal",
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arg_output ?: REMOTE_JOURNAL_PATH,
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name);
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2012-11-01 23:08:03 +01:00
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if (r < 0)
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return log_oom();
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2014-06-22 19:36:31 +02:00
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output = _output;
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break;
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}
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default:
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assert_not_reached("what?");
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2012-11-01 23:08:03 +01:00
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}
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r = journal_file_open_reliably(output,
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O_RDWR|O_CREAT, 0640,
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arg_compress, arg_seal,
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2014-06-22 19:36:31 +02:00
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&w->metrics,
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w->mmap,
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NULL, &w->journal);
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2012-11-01 23:08:03 +01:00
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if (r < 0)
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2014-11-28 17:09:20 +01:00
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log_error_errno(r, "Failed to open output journal %s: %m",
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output);
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2012-11-01 23:08:03 +01:00
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else
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2015-03-13 02:29:28 +01:00
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log_debug("Opened output file %s", w->journal->path);
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2012-11-01 23:08:03 +01:00
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return r;
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}
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2014-03-15 20:58:03 +01:00
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/**********************************************************************
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**********************************************************************
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**********************************************************************/
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2014-07-02 06:15:37 +02:00
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static int init_writer_hashmap(RemoteServer *s) {
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2014-08-13 01:00:18 +02:00
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static const struct hash_ops *hash_ops[] = {
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[JOURNAL_WRITE_SPLIT_NONE] = NULL,
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[JOURNAL_WRITE_SPLIT_HOST] = &string_hash_ops,
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2014-07-02 06:15:37 +02:00
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};
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2014-08-13 01:00:18 +02:00
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assert(arg_split_mode >= 0 && arg_split_mode < (int) ELEMENTSOF(hash_ops));
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2014-03-15 20:58:03 +01:00
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2014-08-13 01:00:18 +02:00
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s->writers = hashmap_new(hash_ops[arg_split_mode]);
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2014-07-02 06:15:37 +02:00
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if (!s->writers)
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return log_oom();
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return 0;
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}
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static int get_writer(RemoteServer *s, const char *host,
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Writer **writer) {
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const void *key;
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_cleanup_writer_unref_ Writer *w = NULL;
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int r;
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switch(arg_split_mode) {
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case JOURNAL_WRITE_SPLIT_NONE:
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key = "one and only";
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break;
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case JOURNAL_WRITE_SPLIT_HOST:
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assert(host);
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key = host;
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break;
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default:
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assert_not_reached("what split mode?");
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}
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w = hashmap_get(s->writers, key);
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if (w)
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writer_ref(w);
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else {
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w = writer_new(s);
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if (!w)
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return log_oom();
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if (arg_split_mode == JOURNAL_WRITE_SPLIT_HOST) {
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w->hashmap_key = strdup(key);
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if (!w->hashmap_key)
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return log_oom();
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}
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2014-03-15 20:58:03 +01:00
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2014-07-02 06:15:37 +02:00
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r = open_output(w, host);
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if (r < 0)
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return r;
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2012-11-01 23:08:03 +01:00
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2014-07-02 06:15:37 +02:00
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r = hashmap_put(s->writers, w->hashmap_key ?: key, w);
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if (r < 0)
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return r;
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}
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2012-11-01 23:08:03 +01:00
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2014-07-02 06:15:37 +02:00
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*writer = w;
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w = NULL;
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return 0;
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}
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2014-03-15 20:58:03 +01:00
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2014-07-02 06:15:37 +02:00
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/**********************************************************************
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**********************************************************************
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**********************************************************************/
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2012-11-01 23:08:03 +01:00
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2014-03-15 20:58:03 +01:00
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/* This should go away as soon as µhttpd allows state to be passed around. */
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static RemoteServer *server;
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2012-11-01 23:08:03 +01:00
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static int dispatch_raw_source_event(sd_event_source *event,
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int fd,
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uint32_t revents,
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void *userdata);
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2015-03-13 05:02:28 +01:00
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static int dispatch_raw_source_until_block(sd_event_source *event,
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void *userdata);
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2014-09-28 02:00:00 +02:00
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static int dispatch_blocking_source_event(sd_event_source *event,
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void *userdata);
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2012-11-01 23:08:03 +01:00
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static int dispatch_raw_connection_event(sd_event_source *event,
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int fd,
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uint32_t revents,
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void *userdata);
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2014-03-15 20:58:03 +01:00
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static int dispatch_http_event(sd_event_source *event,
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int fd,
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uint32_t revents,
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void *userdata);
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2012-11-01 23:08:03 +01:00
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2014-07-02 06:15:37 +02:00
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static int get_source_for_fd(RemoteServer *s,
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int fd, char *name, RemoteSource **source) {
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Writer *writer;
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int r;
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2014-10-13 04:27:20 +02:00
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/* This takes ownership of name, but only on success. */
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2012-11-01 23:08:03 +01:00
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assert(fd >= 0);
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assert(source);
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2014-04-10 15:48:59 +02:00
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|
|
if (!GREEDY_REALLOC0(s->sources, s->sources_size, fd + 1))
|
2012-11-01 23:08:03 +01:00
|
|
|
return log_oom();
|
|
|
|
|
2014-07-02 06:15:37 +02:00
|
|
|
r = get_writer(s, name, &writer);
|
2014-11-28 17:34:26 +01:00
|
|
|
if (r < 0)
|
|
|
|
return log_warning_errno(r, "Failed to get writer for source %s: %m",
|
|
|
|
name);
|
2014-07-02 06:15:37 +02:00
|
|
|
|
2012-11-01 23:08:03 +01:00
|
|
|
if (s->sources[fd] == NULL) {
|
2014-07-02 06:15:37 +02:00
|
|
|
s->sources[fd] = source_new(fd, false, name, writer);
|
|
|
|
if (!s->sources[fd]) {
|
|
|
|
writer_unref(writer);
|
2012-11-01 23:08:03 +01:00
|
|
|
return log_oom();
|
2014-07-02 06:15:37 +02:00
|
|
|
}
|
|
|
|
|
2012-11-01 23:08:03 +01:00
|
|
|
s->active++;
|
|
|
|
}
|
|
|
|
|
|
|
|
*source = s->sources[fd];
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int remove_source(RemoteServer *s, int fd) {
|
|
|
|
RemoteSource *source;
|
|
|
|
|
|
|
|
assert(s);
|
2014-04-10 15:48:59 +02:00
|
|
|
assert(fd >= 0 && fd < (ssize_t) s->sources_size);
|
2012-11-01 23:08:03 +01:00
|
|
|
|
|
|
|
source = s->sources[fd];
|
|
|
|
if (source) {
|
2014-06-22 19:36:31 +02:00
|
|
|
/* this closes fd too */
|
2012-11-01 23:08:03 +01:00
|
|
|
source_free(source);
|
|
|
|
s->sources[fd] = NULL;
|
|
|
|
s->active--;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2014-07-02 06:15:37 +02:00
|
|
|
static int add_source(RemoteServer *s, int fd, char* name, bool own_name) {
|
2014-06-22 19:36:31 +02:00
|
|
|
|
2015-03-27 12:02:49 +01:00
|
|
|
RemoteSource *source = NULL;
|
2012-11-01 23:08:03 +01:00
|
|
|
int r;
|
|
|
|
|
2014-10-13 04:27:20 +02:00
|
|
|
/* This takes ownership of name, even on failure, if own_name is true. */
|
|
|
|
|
2012-11-01 23:08:03 +01:00
|
|
|
assert(s);
|
|
|
|
assert(fd >= 0);
|
2014-07-02 06:15:37 +02:00
|
|
|
assert(name);
|
2012-11-01 23:08:03 +01:00
|
|
|
|
2014-07-02 06:15:37 +02:00
|
|
|
if (!own_name) {
|
|
|
|
name = strdup(name);
|
|
|
|
if (!name)
|
|
|
|
return log_oom();
|
|
|
|
}
|
2012-11-01 23:08:03 +01:00
|
|
|
|
2014-07-02 06:15:37 +02:00
|
|
|
r = get_source_for_fd(s, fd, name, &source);
|
2012-11-01 23:08:03 +01:00
|
|
|
if (r < 0) {
|
2014-11-28 17:09:20 +01:00
|
|
|
log_error_errno(r, "Failed to create source for fd:%d (%s): %m",
|
|
|
|
fd, name);
|
2014-10-13 04:27:20 +02:00
|
|
|
free(name);
|
2012-11-01 23:08:03 +01:00
|
|
|
return r;
|
|
|
|
}
|
2014-06-22 19:36:31 +02:00
|
|
|
|
2012-11-01 23:08:03 +01:00
|
|
|
r = sd_event_add_io(s->events, &source->event,
|
2014-06-22 19:36:31 +02:00
|
|
|
fd, EPOLLIN|EPOLLRDHUP|EPOLLPRI,
|
2015-03-13 05:02:28 +01:00
|
|
|
dispatch_raw_source_event, source);
|
|
|
|
if (r == 0) {
|
|
|
|
/* Add additional source for buffer processing. It will be
|
|
|
|
* enabled later. */
|
|
|
|
r = sd_event_add_defer(s->events, &source->buffer_event,
|
|
|
|
dispatch_raw_source_until_block, source);
|
|
|
|
if (r == 0)
|
|
|
|
sd_event_source_set_enabled(source->buffer_event, SD_EVENT_OFF);
|
|
|
|
} else if (r == -EPERM) {
|
2014-09-28 02:00:00 +02:00
|
|
|
log_debug("Falling back to sd_event_add_defer for fd:%d (%s)", fd, name);
|
|
|
|
r = sd_event_add_defer(s->events, &source->event,
|
|
|
|
dispatch_blocking_source_event, source);
|
|
|
|
if (r == 0)
|
|
|
|
sd_event_source_set_enabled(source->event, SD_EVENT_ON);
|
|
|
|
}
|
2012-11-01 23:08:03 +01:00
|
|
|
if (r < 0) {
|
2014-11-28 17:09:20 +01:00
|
|
|
log_error_errno(r, "Failed to register event source for fd:%d: %m",
|
|
|
|
fd);
|
2012-11-01 23:08:03 +01:00
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
|
2014-11-04 16:27:05 +01:00
|
|
|
r = sd_event_source_set_description(source->event, name);
|
2014-10-18 07:28:37 +02:00
|
|
|
if (r < 0) {
|
2014-11-28 13:19:16 +01:00
|
|
|
log_error_errno(r, "Failed to set source name for fd:%d: %m", fd);
|
2014-10-18 07:28:37 +02:00
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
|
2012-11-01 23:08:03 +01:00
|
|
|
return 1; /* work to do */
|
|
|
|
|
|
|
|
error:
|
|
|
|
remove_source(s, fd);
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
2014-03-17 03:33:35 +01:00
|
|
|
static int add_raw_socket(RemoteServer *s, int fd) {
|
|
|
|
int r;
|
2014-10-18 07:28:37 +02:00
|
|
|
_cleanup_close_ int fd_ = fd;
|
2015-01-27 14:00:11 +01:00
|
|
|
char name[sizeof("raw-socket-")-1 + DECIMAL_STR_MAX(int) + 1];
|
2014-10-18 07:28:37 +02:00
|
|
|
|
|
|
|
assert(fd >= 0);
|
2012-11-01 23:08:03 +01:00
|
|
|
|
2014-06-22 19:36:31 +02:00
|
|
|
r = sd_event_add_io(s->events, &s->listen_event,
|
|
|
|
fd, EPOLLIN,
|
2012-11-01 23:08:03 +01:00
|
|
|
dispatch_raw_connection_event, s);
|
2014-10-18 07:28:37 +02:00
|
|
|
if (r < 0)
|
2012-11-01 23:08:03 +01:00
|
|
|
return r;
|
|
|
|
|
2015-01-27 14:00:11 +01:00
|
|
|
xsprintf(name, "raw-socket-%d", fd);
|
2014-10-18 07:28:37 +02:00
|
|
|
|
2014-11-04 16:27:05 +01:00
|
|
|
r = sd_event_source_set_description(s->listen_event, name);
|
2014-10-18 07:28:37 +02:00
|
|
|
if (r < 0)
|
|
|
|
return r;
|
|
|
|
|
|
|
|
fd_ = -1;
|
2012-11-01 23:08:03 +01:00
|
|
|
s->active ++;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2014-03-17 03:33:35 +01:00
|
|
|
static int setup_raw_socket(RemoteServer *s, const char *address) {
|
|
|
|
int fd;
|
|
|
|
|
|
|
|
fd = make_socket_fd(LOG_INFO, address, SOCK_STREAM | SOCK_CLOEXEC);
|
|
|
|
if (fd < 0)
|
|
|
|
return fd;
|
|
|
|
|
|
|
|
return add_raw_socket(s, fd);
|
|
|
|
}
|
|
|
|
|
2014-06-22 19:36:31 +02:00
|
|
|
/**********************************************************************
|
|
|
|
**********************************************************************
|
|
|
|
**********************************************************************/
|
|
|
|
|
2014-10-23 06:18:47 +02:00
|
|
|
static int request_meta(void **connection_cls, int fd, char *hostname) {
|
2014-03-15 20:58:03 +01:00
|
|
|
RemoteSource *source;
|
2014-07-02 06:15:37 +02:00
|
|
|
Writer *writer;
|
|
|
|
int r;
|
2014-03-15 20:58:03 +01:00
|
|
|
|
|
|
|
assert(connection_cls);
|
2014-07-02 06:15:37 +02:00
|
|
|
if (*connection_cls)
|
2014-10-23 06:18:47 +02:00
|
|
|
return 0;
|
2014-07-02 06:15:37 +02:00
|
|
|
|
|
|
|
r = get_writer(server, hostname, &writer);
|
2014-11-28 17:34:26 +01:00
|
|
|
if (r < 0)
|
|
|
|
return log_warning_errno(r, "Failed to get writer for source %s: %m",
|
|
|
|
hostname);
|
2014-03-15 20:58:03 +01:00
|
|
|
|
2014-07-02 06:15:37 +02:00
|
|
|
source = source_new(fd, true, hostname, writer);
|
2014-06-22 19:36:31 +02:00
|
|
|
if (!source) {
|
2014-07-02 06:15:37 +02:00
|
|
|
writer_unref(writer);
|
2014-10-23 06:18:47 +02:00
|
|
|
return log_oom();
|
2014-06-22 19:36:31 +02:00
|
|
|
}
|
|
|
|
|
2014-03-15 20:58:03 +01:00
|
|
|
log_debug("Added RemoteSource as connection metadata %p", source);
|
|
|
|
|
|
|
|
*connection_cls = source;
|
2014-10-23 06:18:47 +02:00
|
|
|
return 0;
|
2014-03-15 20:58:03 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
static void request_meta_free(void *cls,
|
|
|
|
struct MHD_Connection *connection,
|
|
|
|
void **connection_cls,
|
|
|
|
enum MHD_RequestTerminationCode toe) {
|
|
|
|
RemoteSource *s;
|
|
|
|
|
|
|
|
assert(connection_cls);
|
|
|
|
s = *connection_cls;
|
|
|
|
|
2014-10-23 06:18:47 +02:00
|
|
|
if (s) {
|
|
|
|
log_debug("Cleaning up connection metadata %p", s);
|
|
|
|
source_free(s);
|
|
|
|
*connection_cls = NULL;
|
|
|
|
}
|
2014-03-15 20:58:03 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
static int process_http_upload(
|
|
|
|
struct MHD_Connection *connection,
|
|
|
|
const char *upload_data,
|
|
|
|
size_t *upload_data_size,
|
|
|
|
RemoteSource *source) {
|
|
|
|
|
2014-06-22 19:36:31 +02:00
|
|
|
bool finished = false;
|
2014-07-02 05:07:45 +02:00
|
|
|
size_t remaining;
|
2014-07-02 06:15:37 +02:00
|
|
|
int r;
|
2014-03-15 20:58:03 +01:00
|
|
|
|
|
|
|
assert(source);
|
|
|
|
|
2014-10-23 06:27:57 +02:00
|
|
|
log_trace("%s: connection %p, %zu bytes",
|
|
|
|
__func__, connection, *upload_data_size);
|
2014-03-15 20:58:03 +01:00
|
|
|
|
|
|
|
if (*upload_data_size) {
|
2014-10-23 06:27:57 +02:00
|
|
|
log_trace("Received %zu bytes", *upload_data_size);
|
2014-03-15 20:58:03 +01:00
|
|
|
|
|
|
|
r = push_data(source, upload_data, *upload_data_size);
|
2014-03-31 04:35:37 +02:00
|
|
|
if (r < 0)
|
2014-03-17 01:05:50 +01:00
|
|
|
return mhd_respond_oom(connection);
|
2014-03-31 04:35:37 +02:00
|
|
|
|
2014-03-15 20:58:03 +01:00
|
|
|
*upload_data_size = 0;
|
|
|
|
} else
|
|
|
|
finished = true;
|
|
|
|
|
|
|
|
while (true) {
|
2014-07-02 06:15:37 +02:00
|
|
|
r = process_source(source, arg_compress, arg_seal);
|
2015-03-13 13:51:55 +01:00
|
|
|
if (r == -EAGAIN)
|
2014-03-15 20:58:03 +01:00
|
|
|
break;
|
|
|
|
else if (r < 0) {
|
|
|
|
log_warning("Failed to process data for connection %p", connection);
|
2014-03-31 04:35:37 +02:00
|
|
|
if (r == -E2BIG)
|
|
|
|
return mhd_respondf(connection,
|
|
|
|
MHD_HTTP_REQUEST_ENTITY_TOO_LARGE,
|
|
|
|
"Entry is too large, maximum is %u bytes.\n",
|
|
|
|
DATA_SIZE_MAX);
|
|
|
|
else
|
|
|
|
return mhd_respondf(connection,
|
|
|
|
MHD_HTTP_UNPROCESSABLE_ENTITY,
|
|
|
|
"Processing failed: %s.", strerror(-r));
|
2014-03-15 20:58:03 +01:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!finished)
|
|
|
|
return MHD_YES;
|
|
|
|
|
|
|
|
/* The upload is finished */
|
|
|
|
|
2014-07-02 05:07:45 +02:00
|
|
|
remaining = source_non_empty(source);
|
|
|
|
if (remaining > 0) {
|
|
|
|
log_warning("Premature EOFbyte. %zu bytes lost.", remaining);
|
|
|
|
return mhd_respondf(connection, MHD_HTTP_EXPECTATION_FAILED,
|
|
|
|
"Premature EOF. %zu bytes of trailing data not processed.",
|
|
|
|
remaining);
|
2014-03-15 20:58:03 +01:00
|
|
|
}
|
|
|
|
|
2014-03-17 01:05:50 +01:00
|
|
|
return mhd_respond(connection, MHD_HTTP_ACCEPTED, "OK.\n");
|
2014-03-15 20:58:03 +01:00
|
|
|
};
|
|
|
|
|
|
|
|
static int request_handler(
|
|
|
|
void *cls,
|
|
|
|
struct MHD_Connection *connection,
|
|
|
|
const char *url,
|
|
|
|
const char *method,
|
|
|
|
const char *version,
|
|
|
|
const char *upload_data,
|
|
|
|
size_t *upload_data_size,
|
|
|
|
void **connection_cls) {
|
|
|
|
|
|
|
|
const char *header;
|
2014-06-22 19:36:31 +02:00
|
|
|
int r, code, fd;
|
2014-07-02 06:15:37 +02:00
|
|
|
_cleanup_free_ char *hostname = NULL;
|
2014-03-15 20:58:03 +01:00
|
|
|
|
|
|
|
assert(connection);
|
|
|
|
assert(connection_cls);
|
|
|
|
assert(url);
|
|
|
|
assert(method);
|
|
|
|
|
2014-10-23 06:27:57 +02:00
|
|
|
log_trace("Handling a connection %s %s %s", method, url, version);
|
2014-03-15 20:58:03 +01:00
|
|
|
|
|
|
|
if (*connection_cls)
|
|
|
|
return process_http_upload(connection,
|
|
|
|
upload_data, upload_data_size,
|
|
|
|
*connection_cls);
|
|
|
|
|
|
|
|
if (!streq(method, "POST"))
|
2014-03-17 01:05:50 +01:00
|
|
|
return mhd_respond(connection, MHD_HTTP_METHOD_NOT_ACCEPTABLE,
|
|
|
|
"Unsupported method.\n");
|
2014-03-15 20:58:03 +01:00
|
|
|
|
|
|
|
if (!streq(url, "/upload"))
|
2014-03-17 01:05:50 +01:00
|
|
|
return mhd_respond(connection, MHD_HTTP_NOT_FOUND,
|
|
|
|
"Not found.\n");
|
2014-03-15 20:58:03 +01:00
|
|
|
|
|
|
|
header = MHD_lookup_connection_value(connection,
|
|
|
|
MHD_HEADER_KIND, "Content-Type");
|
|
|
|
if (!header || !streq(header, "application/vnd.fdo.journal"))
|
2014-03-17 01:05:50 +01:00
|
|
|
return mhd_respond(connection, MHD_HTTP_UNSUPPORTED_MEDIA_TYPE,
|
|
|
|
"Content-Type: application/vnd.fdo.journal"
|
|
|
|
" is required.\n");
|
2014-03-15 20:58:03 +01:00
|
|
|
|
2014-06-22 19:36:31 +02:00
|
|
|
{
|
|
|
|
const union MHD_ConnectionInfo *ci;
|
|
|
|
|
|
|
|
ci = MHD_get_connection_info(connection,
|
|
|
|
MHD_CONNECTION_INFO_CONNECTION_FD);
|
|
|
|
if (!ci) {
|
|
|
|
log_error("MHD_get_connection_info failed: cannot get remote fd");
|
|
|
|
return mhd_respond(connection, MHD_HTTP_INTERNAL_SERVER_ERROR,
|
|
|
|
"Cannot check remote address");
|
|
|
|
}
|
|
|
|
|
|
|
|
fd = ci->connect_fd;
|
|
|
|
assert(fd >= 0);
|
|
|
|
}
|
|
|
|
|
2014-03-31 05:08:02 +02:00
|
|
|
if (server->check_trust) {
|
2014-06-22 19:36:31 +02:00
|
|
|
r = check_permissions(connection, &code, &hostname);
|
2014-03-15 20:58:03 +01:00
|
|
|
if (r < 0)
|
|
|
|
return code;
|
2014-06-22 19:36:31 +02:00
|
|
|
} else {
|
|
|
|
r = getnameinfo_pretty(fd, &hostname);
|
|
|
|
if (r < 0) {
|
|
|
|
return mhd_respond(connection, MHD_HTTP_INTERNAL_SERVER_ERROR,
|
|
|
|
"Cannot check remote hostname");
|
|
|
|
}
|
2014-03-15 20:58:03 +01:00
|
|
|
}
|
|
|
|
|
2014-06-22 19:36:31 +02:00
|
|
|
assert(hostname);
|
|
|
|
|
2014-10-23 06:18:47 +02:00
|
|
|
r = request_meta(connection_cls, fd, hostname);
|
|
|
|
if (r == -ENOMEM)
|
2014-03-15 20:58:03 +01:00
|
|
|
return respond_oom(connection);
|
2014-10-23 06:18:47 +02:00
|
|
|
else if (r < 0)
|
|
|
|
return mhd_respond(connection, MHD_HTTP_INTERNAL_SERVER_ERROR,
|
|
|
|
strerror(-r));
|
|
|
|
|
2014-07-02 06:15:37 +02:00
|
|
|
hostname = NULL;
|
2014-03-15 20:58:03 +01:00
|
|
|
return MHD_YES;
|
|
|
|
}
|
|
|
|
|
2014-03-31 05:08:02 +02:00
|
|
|
static int setup_microhttpd_server(RemoteServer *s,
|
|
|
|
int fd,
|
|
|
|
const char *key,
|
|
|
|
const char *cert,
|
|
|
|
const char *trust) {
|
2014-03-15 20:58:03 +01:00
|
|
|
struct MHD_OptionItem opts[] = {
|
|
|
|
{ MHD_OPTION_NOTIFY_COMPLETED, (intptr_t) request_meta_free},
|
|
|
|
{ MHD_OPTION_EXTERNAL_LOGGER, (intptr_t) microhttpd_logger},
|
|
|
|
{ MHD_OPTION_LISTEN_SOCKET, fd},
|
|
|
|
{ MHD_OPTION_END},
|
|
|
|
{ MHD_OPTION_END},
|
|
|
|
{ MHD_OPTION_END},
|
|
|
|
{ MHD_OPTION_END}};
|
|
|
|
int opts_pos = 3;
|
|
|
|
int flags =
|
|
|
|
MHD_USE_DEBUG |
|
|
|
|
MHD_USE_PEDANTIC_CHECKS |
|
|
|
|
MHD_USE_EPOLL_LINUX_ONLY |
|
|
|
|
MHD_USE_DUAL_STACK;
|
|
|
|
|
|
|
|
const union MHD_DaemonInfo *info;
|
|
|
|
int r, epoll_fd;
|
|
|
|
MHDDaemonWrapper *d;
|
|
|
|
|
|
|
|
assert(fd >= 0);
|
|
|
|
|
|
|
|
r = fd_nonblock(fd, true);
|
2014-11-28 18:50:43 +01:00
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Failed to make fd:%d nonblocking: %m", fd);
|
2014-03-15 20:58:03 +01:00
|
|
|
|
2014-03-31 05:08:02 +02:00
|
|
|
if (key) {
|
|
|
|
assert(cert);
|
|
|
|
|
2014-03-15 20:58:03 +01:00
|
|
|
opts[opts_pos++] = (struct MHD_OptionItem)
|
2014-03-31 05:08:02 +02:00
|
|
|
{MHD_OPTION_HTTPS_MEM_KEY, 0, (char*) key};
|
2014-03-15 20:58:03 +01:00
|
|
|
opts[opts_pos++] = (struct MHD_OptionItem)
|
2014-03-31 05:08:02 +02:00
|
|
|
{MHD_OPTION_HTTPS_MEM_CERT, 0, (char*) cert};
|
2014-03-15 20:58:03 +01:00
|
|
|
|
|
|
|
flags |= MHD_USE_SSL;
|
|
|
|
|
2014-03-31 05:08:02 +02:00
|
|
|
if (trust)
|
2014-03-15 20:58:03 +01:00
|
|
|
opts[opts_pos++] = (struct MHD_OptionItem)
|
2014-03-31 05:08:02 +02:00
|
|
|
{MHD_OPTION_HTTPS_MEM_TRUST, 0, (char*) trust};
|
2014-03-15 20:58:03 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
d = new(MHDDaemonWrapper, 1);
|
|
|
|
if (!d)
|
|
|
|
return log_oom();
|
|
|
|
|
|
|
|
d->fd = (uint64_t) fd;
|
|
|
|
|
|
|
|
d->daemon = MHD_start_daemon(flags, 0,
|
|
|
|
NULL, NULL,
|
|
|
|
request_handler, NULL,
|
|
|
|
MHD_OPTION_ARRAY, opts,
|
|
|
|
MHD_OPTION_END);
|
|
|
|
if (!d->daemon) {
|
|
|
|
log_error("Failed to start µhttp daemon");
|
|
|
|
r = -EINVAL;
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
|
|
|
|
log_debug("Started MHD %s daemon on fd:%d (wrapper @ %p)",
|
2014-03-31 05:08:02 +02:00
|
|
|
key ? "HTTPS" : "HTTP", fd, d);
|
2014-03-15 20:58:03 +01:00
|
|
|
|
|
|
|
|
|
|
|
info = MHD_get_daemon_info(d->daemon, MHD_DAEMON_INFO_EPOLL_FD_LINUX_ONLY);
|
|
|
|
if (!info) {
|
|
|
|
log_error("µhttp returned NULL daemon info");
|
2015-03-13 14:08:00 +01:00
|
|
|
r = -EOPNOTSUPP;
|
2014-03-15 20:58:03 +01:00
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
|
|
|
|
epoll_fd = info->listen_fd;
|
|
|
|
if (epoll_fd < 0) {
|
|
|
|
log_error("µhttp epoll fd is invalid");
|
|
|
|
r = -EUCLEAN;
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
|
|
|
|
r = sd_event_add_io(s->events, &d->event,
|
2014-06-22 19:36:31 +02:00
|
|
|
epoll_fd, EPOLLIN,
|
|
|
|
dispatch_http_event, d);
|
2014-03-15 20:58:03 +01:00
|
|
|
if (r < 0) {
|
2014-11-28 13:19:16 +01:00
|
|
|
log_error_errno(r, "Failed to add event callback: %m");
|
2014-03-15 20:58:03 +01:00
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
|
2014-11-04 16:27:05 +01:00
|
|
|
r = sd_event_source_set_description(d->event, "epoll-fd");
|
2014-10-18 07:28:37 +02:00
|
|
|
if (r < 0) {
|
2014-11-28 13:19:16 +01:00
|
|
|
log_error_errno(r, "Failed to set source name: %m");
|
2014-10-18 07:28:37 +02:00
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
|
2014-08-13 01:00:18 +02:00
|
|
|
r = hashmap_ensure_allocated(&s->daemons, &uint64_hash_ops);
|
2014-03-15 20:58:03 +01:00
|
|
|
if (r < 0) {
|
|
|
|
log_oom();
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
|
|
|
|
r = hashmap_put(s->daemons, &d->fd, d);
|
|
|
|
if (r < 0) {
|
2014-11-28 13:19:16 +01:00
|
|
|
log_error_errno(r, "Failed to add daemon to hashmap: %m");
|
2014-03-15 20:58:03 +01:00
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
|
|
|
|
s->active ++;
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
error:
|
|
|
|
MHD_stop_daemon(d->daemon);
|
|
|
|
free(d->daemon);
|
|
|
|
free(d);
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int setup_microhttpd_socket(RemoteServer *s,
|
|
|
|
const char *address,
|
2014-03-31 05:08:02 +02:00
|
|
|
const char *key,
|
|
|
|
const char *cert,
|
|
|
|
const char *trust) {
|
2014-03-15 20:58:03 +01:00
|
|
|
int fd;
|
|
|
|
|
2015-03-13 02:29:28 +01:00
|
|
|
fd = make_socket_fd(LOG_DEBUG, address, SOCK_STREAM | SOCK_CLOEXEC);
|
2014-03-15 20:58:03 +01:00
|
|
|
if (fd < 0)
|
|
|
|
return fd;
|
|
|
|
|
2014-03-31 05:08:02 +02:00
|
|
|
return setup_microhttpd_server(s, fd, key, cert, trust);
|
2014-03-15 20:58:03 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
static int dispatch_http_event(sd_event_source *event,
|
|
|
|
int fd,
|
|
|
|
uint32_t revents,
|
|
|
|
void *userdata) {
|
|
|
|
MHDDaemonWrapper *d = userdata;
|
|
|
|
int r;
|
|
|
|
|
|
|
|
assert(d);
|
|
|
|
|
|
|
|
r = MHD_run(d->daemon);
|
|
|
|
if (r == MHD_NO) {
|
|
|
|
log_error("MHD_run failed!");
|
|
|
|
// XXX: unregister daemon
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 1; /* work to do */
|
|
|
|
}
|
|
|
|
|
2012-11-01 23:08:03 +01:00
|
|
|
/**********************************************************************
|
|
|
|
**********************************************************************
|
|
|
|
**********************************************************************/
|
|
|
|
|
|
|
|
static int setup_signals(RemoteServer *s) {
|
|
|
|
int r;
|
|
|
|
|
|
|
|
assert(s);
|
|
|
|
|
2015-06-15 20:13:23 +02:00
|
|
|
assert_se(sigprocmask_many(SIG_SETMASK, NULL, SIGINT, SIGTERM, -1) >= 0);
|
2012-11-01 23:08:03 +01:00
|
|
|
|
2014-10-18 07:28:37 +02:00
|
|
|
r = sd_event_add_signal(s->events, &s->sigterm_event, SIGTERM, NULL, s);
|
|
|
|
if (r < 0)
|
|
|
|
return r;
|
|
|
|
|
|
|
|
r = sd_event_add_signal(s->events, &s->sigint_event, SIGINT, NULL, s);
|
2012-11-01 23:08:03 +01:00
|
|
|
if (r < 0)
|
|
|
|
return r;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2014-10-18 07:27:10 +02:00
|
|
|
static int negative_fd(const char *spec) {
|
|
|
|
/* Return a non-positive number as its inverse, -EINVAL otherwise. */
|
|
|
|
|
2014-03-17 03:33:35 +01:00
|
|
|
int fd, r;
|
|
|
|
|
|
|
|
r = safe_atoi(spec, &fd);
|
|
|
|
if (r < 0)
|
|
|
|
return r;
|
|
|
|
|
2014-10-18 07:27:10 +02:00
|
|
|
if (fd > 0)
|
|
|
|
return -EINVAL;
|
|
|
|
else
|
|
|
|
return -fd;
|
2014-03-17 03:33:35 +01:00
|
|
|
}
|
|
|
|
|
2014-03-31 05:08:02 +02:00
|
|
|
static int remoteserver_init(RemoteServer *s,
|
|
|
|
const char* key,
|
|
|
|
const char* cert,
|
|
|
|
const char* trust) {
|
2012-11-01 23:08:03 +01:00
|
|
|
int r, n, fd;
|
2014-03-17 03:33:35 +01:00
|
|
|
char **file;
|
2012-11-01 23:08:03 +01:00
|
|
|
|
|
|
|
assert(s);
|
|
|
|
|
2014-03-31 05:08:02 +02:00
|
|
|
if ((arg_listen_raw || arg_listen_http) && trust) {
|
|
|
|
log_error("Option --trust makes all non-HTTPS connections untrusted.");
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
2014-09-18 17:52:54 +02:00
|
|
|
r = sd_event_default(&s->events);
|
2014-11-28 18:23:20 +01:00
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Failed to allocate event loop: %m");
|
2012-11-01 23:08:03 +01:00
|
|
|
|
|
|
|
setup_signals(s);
|
|
|
|
|
2014-03-15 20:58:03 +01:00
|
|
|
assert(server == NULL);
|
|
|
|
server = s;
|
|
|
|
|
2014-09-24 15:59:06 +02:00
|
|
|
r = init_writer_hashmap(s);
|
|
|
|
if (r < 0)
|
|
|
|
return r;
|
|
|
|
|
2012-11-01 23:08:03 +01:00
|
|
|
n = sd_listen_fds(true);
|
2014-11-28 17:34:26 +01:00
|
|
|
if (n < 0)
|
|
|
|
return log_error_errno(n, "Failed to read listening file descriptors from environment: %m");
|
|
|
|
else
|
2015-03-13 02:29:28 +01:00
|
|
|
log_debug("Received %d descriptors", n);
|
2012-11-01 23:08:03 +01:00
|
|
|
|
2014-03-17 03:33:35 +01:00
|
|
|
if (MAX(http_socket, https_socket) >= SD_LISTEN_FDS_START + n) {
|
|
|
|
log_error("Received fewer sockets than expected");
|
|
|
|
return -EBADFD;
|
|
|
|
}
|
|
|
|
|
2012-11-01 23:08:03 +01:00
|
|
|
for (fd = SD_LISTEN_FDS_START; fd < SD_LISTEN_FDS_START + n; fd++) {
|
2014-10-18 07:27:10 +02:00
|
|
|
if (sd_is_socket(fd, AF_UNSPEC, 0, true)) {
|
2015-03-13 02:29:28 +01:00
|
|
|
log_debug("Received a listening socket (fd:%d)", fd);
|
2014-03-17 03:33:35 +01:00
|
|
|
|
|
|
|
if (fd == http_socket)
|
2014-03-31 05:08:02 +02:00
|
|
|
r = setup_microhttpd_server(s, fd, NULL, NULL, NULL);
|
2014-03-17 03:33:35 +01:00
|
|
|
else if (fd == https_socket)
|
2014-03-31 05:08:02 +02:00
|
|
|
r = setup_microhttpd_server(s, fd, key, cert, trust);
|
2014-03-17 03:33:35 +01:00
|
|
|
else
|
|
|
|
r = add_raw_socket(s, fd);
|
2014-10-18 07:27:10 +02:00
|
|
|
} else if (sd_is_socket(fd, AF_UNSPEC, 0, false)) {
|
2014-07-02 06:15:37 +02:00
|
|
|
char *hostname;
|
2014-06-22 19:36:31 +02:00
|
|
|
|
|
|
|
r = getnameinfo_pretty(fd, &hostname);
|
2014-11-28 18:23:20 +01:00
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Failed to retrieve remote name: %m");
|
2014-06-22 19:36:31 +02:00
|
|
|
|
2015-03-13 02:29:28 +01:00
|
|
|
log_debug("Received a connection socket (fd:%d) from %s", fd, hostname);
|
2012-11-01 23:08:03 +01:00
|
|
|
|
2014-07-02 06:15:37 +02:00
|
|
|
r = add_source(s, fd, hostname, true);
|
2012-11-01 23:08:03 +01:00
|
|
|
} else {
|
|
|
|
log_error("Unknown socket passed on fd:%d", fd);
|
2014-03-17 03:33:35 +01:00
|
|
|
|
2012-11-01 23:08:03 +01:00
|
|
|
return -EINVAL;
|
|
|
|
}
|
2014-03-17 03:33:35 +01:00
|
|
|
|
2014-11-28 18:23:20 +01:00
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Failed to register socket (fd:%d): %m",
|
|
|
|
fd);
|
2012-11-01 23:08:03 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
if (arg_url) {
|
2014-06-22 19:36:31 +02:00
|
|
|
const char *url, *hostname;
|
|
|
|
|
2015-02-03 02:05:59 +01:00
|
|
|
url = strjoina(arg_url, "/entries");
|
2012-11-01 23:08:03 +01:00
|
|
|
|
|
|
|
if (arg_getter) {
|
|
|
|
log_info("Spawning getter %s...", url);
|
|
|
|
fd = spawn_getter(arg_getter, url);
|
|
|
|
} else {
|
|
|
|
log_info("Spawning curl %s...", url);
|
|
|
|
fd = spawn_curl(url);
|
|
|
|
}
|
|
|
|
if (fd < 0)
|
|
|
|
return fd;
|
|
|
|
|
2014-06-22 19:36:31 +02:00
|
|
|
hostname =
|
|
|
|
startswith(arg_url, "https://") ?:
|
|
|
|
startswith(arg_url, "http://") ?:
|
|
|
|
arg_url;
|
|
|
|
|
2014-07-02 06:15:37 +02:00
|
|
|
r = add_source(s, fd, (char*) hostname, false);
|
2012-11-01 23:08:03 +01:00
|
|
|
if (r < 0)
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (arg_listen_raw) {
|
2015-03-13 02:29:28 +01:00
|
|
|
log_debug("Listening on a socket...");
|
2012-11-01 23:08:03 +01:00
|
|
|
r = setup_raw_socket(s, arg_listen_raw);
|
|
|
|
if (r < 0)
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
2014-03-15 20:58:03 +01:00
|
|
|
if (arg_listen_http) {
|
2014-03-31 05:08:02 +02:00
|
|
|
r = setup_microhttpd_socket(s, arg_listen_http, NULL, NULL, NULL);
|
2014-03-15 20:58:03 +01:00
|
|
|
if (r < 0)
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (arg_listen_https) {
|
2014-03-31 05:08:02 +02:00
|
|
|
r = setup_microhttpd_socket(s, arg_listen_https, key, cert, trust);
|
2014-03-15 20:58:03 +01:00
|
|
|
if (r < 0)
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
2014-03-17 03:33:35 +01:00
|
|
|
STRV_FOREACH(file, arg_files) {
|
2014-07-16 13:52:41 +02:00
|
|
|
const char *output_name;
|
|
|
|
|
2014-03-17 03:33:35 +01:00
|
|
|
if (streq(*file, "-")) {
|
2015-03-13 02:29:28 +01:00
|
|
|
log_debug("Using standard input as source.");
|
2014-03-17 03:33:35 +01:00
|
|
|
|
|
|
|
fd = STDIN_FILENO;
|
|
|
|
output_name = "stdin";
|
|
|
|
} else {
|
2015-03-13 02:29:28 +01:00
|
|
|
log_debug("Reading file %s...", *file);
|
2014-03-17 03:33:35 +01:00
|
|
|
|
|
|
|
fd = open(*file, O_RDONLY|O_CLOEXEC|O_NOCTTY|O_NONBLOCK);
|
2014-11-28 19:57:32 +01:00
|
|
|
if (fd < 0)
|
|
|
|
return log_error_errno(errno, "Failed to open %s: %m", *file);
|
2014-03-17 03:33:35 +01:00
|
|
|
output_name = *file;
|
|
|
|
}
|
|
|
|
|
2014-07-02 06:15:37 +02:00
|
|
|
r = add_source(s, fd, (char*) output_name, false);
|
2012-11-01 23:08:03 +01:00
|
|
|
if (r < 0)
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (s->active == 0) {
|
|
|
|
log_error("Zarro sources specified");
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
2014-06-22 19:36:31 +02:00
|
|
|
if (arg_split_mode == JOURNAL_WRITE_SPLIT_NONE) {
|
|
|
|
/* In this case we know what the writer will be
|
|
|
|
called, so we can create it and verify that we can
|
|
|
|
create output as expected. */
|
2014-07-02 06:15:37 +02:00
|
|
|
r = get_writer(s, NULL, &s->_single_writer);
|
2014-06-22 19:36:31 +02:00
|
|
|
if (r < 0)
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
2012-11-01 23:08:03 +01:00
|
|
|
}
|
|
|
|
|
2014-07-02 06:15:37 +02:00
|
|
|
static void server_destroy(RemoteServer *s) {
|
2014-04-10 15:48:59 +02:00
|
|
|
size_t i;
|
2014-03-15 20:58:03 +01:00
|
|
|
MHDDaemonWrapper *d;
|
2012-11-01 23:08:03 +01:00
|
|
|
|
2014-03-15 20:58:03 +01:00
|
|
|
while ((d = hashmap_steal_first(s->daemons))) {
|
|
|
|
MHD_stop_daemon(d->daemon);
|
|
|
|
sd_event_source_unref(d->event);
|
|
|
|
free(d);
|
|
|
|
}
|
|
|
|
|
|
|
|
hashmap_free(s->daemons);
|
|
|
|
|
2012-11-01 23:08:03 +01:00
|
|
|
assert(s->sources_size == 0 || s->sources);
|
2014-03-15 20:58:03 +01:00
|
|
|
for (i = 0; i < s->sources_size; i++)
|
2012-11-01 23:08:03 +01:00
|
|
|
remove_source(s, i);
|
|
|
|
free(s->sources);
|
|
|
|
|
2014-07-02 06:15:37 +02:00
|
|
|
writer_unref(s->_single_writer);
|
|
|
|
hashmap_free(s->writers);
|
|
|
|
|
2012-11-01 23:08:03 +01:00
|
|
|
sd_event_source_unref(s->sigterm_event);
|
|
|
|
sd_event_source_unref(s->sigint_event);
|
|
|
|
sd_event_source_unref(s->listen_event);
|
|
|
|
sd_event_unref(s->events);
|
|
|
|
|
|
|
|
/* fds that we're listening on remain open... */
|
|
|
|
}
|
|
|
|
|
|
|
|
/**********************************************************************
|
|
|
|
**********************************************************************
|
|
|
|
**********************************************************************/
|
|
|
|
|
2015-03-13 05:02:28 +01:00
|
|
|
static int handle_raw_source(sd_event_source *event,
|
|
|
|
int fd,
|
|
|
|
uint32_t revents,
|
|
|
|
RemoteServer *s) {
|
2012-11-01 23:08:03 +01:00
|
|
|
|
|
|
|
RemoteSource *source;
|
|
|
|
int r;
|
|
|
|
|
2015-03-13 05:02:28 +01:00
|
|
|
/* Returns 1 if there might be more data pending,
|
|
|
|
* 0 if data is currently exhausted, negative on error.
|
|
|
|
*/
|
|
|
|
|
2014-04-10 15:48:59 +02:00
|
|
|
assert(fd >= 0 && fd < (ssize_t) s->sources_size);
|
2012-11-01 23:08:03 +01:00
|
|
|
source = s->sources[fd];
|
|
|
|
assert(source->fd == fd);
|
|
|
|
|
2014-07-02 06:15:37 +02:00
|
|
|
r = process_source(source, arg_compress, arg_seal);
|
2012-11-01 23:08:03 +01:00
|
|
|
if (source->state == STATE_EOF) {
|
2014-07-02 05:07:45 +02:00
|
|
|
size_t remaining;
|
|
|
|
|
2015-03-13 02:29:28 +01:00
|
|
|
log_debug("EOF reached with source fd:%d (%s)",
|
|
|
|
source->fd, source->name);
|
2014-07-02 05:07:45 +02:00
|
|
|
|
|
|
|
remaining = source_non_empty(source);
|
|
|
|
if (remaining > 0)
|
2015-03-13 02:29:28 +01:00
|
|
|
log_notice("Premature EOF. %zu bytes lost.", remaining);
|
2012-11-01 23:08:03 +01:00
|
|
|
remove_source(s, source->fd);
|
2015-03-13 02:29:28 +01:00
|
|
|
log_debug("%zu active sources remaining", s->active);
|
2014-06-22 19:36:31 +02:00
|
|
|
return 0;
|
2012-11-01 23:08:03 +01:00
|
|
|
} else if (r == -E2BIG) {
|
2015-03-13 02:29:28 +01:00
|
|
|
log_notice_errno(E2BIG, "Entry too big, skipped");
|
2014-06-22 19:36:31 +02:00
|
|
|
return 1;
|
2015-03-13 13:51:55 +01:00
|
|
|
} else if (r == -EAGAIN) {
|
2014-06-22 19:36:31 +02:00
|
|
|
return 0;
|
|
|
|
} else if (r < 0) {
|
2015-03-13 02:29:28 +01:00
|
|
|
log_debug_errno(r, "Closing connection: %m");
|
2014-06-22 19:36:31 +02:00
|
|
|
remove_source(server, fd);
|
|
|
|
return 0;
|
|
|
|
} else
|
|
|
|
return 1;
|
2012-11-01 23:08:03 +01:00
|
|
|
}
|
|
|
|
|
2015-03-13 05:02:28 +01:00
|
|
|
static int dispatch_raw_source_until_block(sd_event_source *event,
|
|
|
|
void *userdata) {
|
|
|
|
RemoteSource *source = userdata;
|
|
|
|
int r;
|
|
|
|
|
|
|
|
/* Make sure event stays around even if source is destroyed */
|
|
|
|
sd_event_source_ref(event);
|
|
|
|
|
|
|
|
r = handle_raw_source(event, source->fd, EPOLLIN, server);
|
|
|
|
if (r != 1)
|
|
|
|
/* No more data for now */
|
|
|
|
sd_event_source_set_enabled(event, SD_EVENT_OFF);
|
|
|
|
|
|
|
|
sd_event_source_unref(event);
|
|
|
|
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int dispatch_raw_source_event(sd_event_source *event,
|
|
|
|
int fd,
|
|
|
|
uint32_t revents,
|
|
|
|
void *userdata) {
|
|
|
|
RemoteSource *source = userdata;
|
|
|
|
int r;
|
|
|
|
|
|
|
|
assert(source->event);
|
|
|
|
assert(source->buffer_event);
|
|
|
|
|
|
|
|
r = handle_raw_source(event, fd, EPOLLIN, server);
|
|
|
|
if (r == 1)
|
|
|
|
/* Might have more data. We need to rerun the handler
|
|
|
|
* until we are sure the buffer is exhausted. */
|
|
|
|
sd_event_source_set_enabled(source->buffer_event, SD_EVENT_ON);
|
|
|
|
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
2014-09-28 02:00:00 +02:00
|
|
|
static int dispatch_blocking_source_event(sd_event_source *event,
|
|
|
|
void *userdata) {
|
|
|
|
RemoteSource *source = userdata;
|
|
|
|
|
2015-03-13 05:02:28 +01:00
|
|
|
return handle_raw_source(event, source->fd, EPOLLIN, server);
|
2014-09-28 02:00:00 +02:00
|
|
|
}
|
|
|
|
|
2014-06-22 19:36:31 +02:00
|
|
|
static int accept_connection(const char* type, int fd,
|
|
|
|
SocketAddress *addr, char **hostname) {
|
2012-11-01 23:08:03 +01:00
|
|
|
int fd2, r;
|
|
|
|
|
2014-03-15 20:58:03 +01:00
|
|
|
log_debug("Accepting new %s connection on fd:%d", type, fd);
|
|
|
|
fd2 = accept4(fd, &addr->sockaddr.sa, &addr->size, SOCK_NONBLOCK|SOCK_CLOEXEC);
|
2014-11-28 19:57:32 +01:00
|
|
|
if (fd2 < 0)
|
|
|
|
return log_error_errno(errno, "accept() on fd:%d failed: %m", fd);
|
2012-11-01 23:08:03 +01:00
|
|
|
|
2014-03-15 20:58:03 +01:00
|
|
|
switch(socket_address_family(addr)) {
|
2012-11-01 23:08:03 +01:00
|
|
|
case AF_INET:
|
|
|
|
case AF_INET6: {
|
2014-06-22 19:36:31 +02:00
|
|
|
_cleanup_free_ char *a = NULL;
|
|
|
|
char *b;
|
2012-11-01 23:08:03 +01:00
|
|
|
|
2014-03-15 20:58:03 +01:00
|
|
|
r = socket_address_print(addr, &a);
|
2012-11-01 23:08:03 +01:00
|
|
|
if (r < 0) {
|
2014-11-28 13:19:16 +01:00
|
|
|
log_error_errno(r, "socket_address_print(): %m");
|
2012-11-01 23:08:03 +01:00
|
|
|
close(fd2);
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
2014-06-22 19:36:31 +02:00
|
|
|
r = socknameinfo_pretty(&addr->sockaddr, addr->size, &b);
|
|
|
|
if (r < 0) {
|
|
|
|
close(fd2);
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
2015-03-13 02:29:28 +01:00
|
|
|
log_debug("Accepted %s %s connection from %s",
|
|
|
|
type,
|
|
|
|
socket_address_family(addr) == AF_INET ? "IP" : "IPv6",
|
|
|
|
a);
|
2014-03-15 20:58:03 +01:00
|
|
|
|
2014-06-22 19:36:31 +02:00
|
|
|
*hostname = b;
|
|
|
|
|
2014-03-15 20:58:03 +01:00
|
|
|
return fd2;
|
2012-11-01 23:08:03 +01:00
|
|
|
};
|
|
|
|
default:
|
2014-03-15 20:58:03 +01:00
|
|
|
log_error("Rejected %s connection with unsupported family %d",
|
|
|
|
type, socket_address_family(addr));
|
2012-11-01 23:08:03 +01:00
|
|
|
close(fd2);
|
2014-03-15 20:58:03 +01:00
|
|
|
|
2012-11-01 23:08:03 +01:00
|
|
|
return -EINVAL;
|
|
|
|
}
|
2014-03-15 20:58:03 +01:00
|
|
|
}
|
2012-11-01 23:08:03 +01:00
|
|
|
|
2014-03-15 20:58:03 +01:00
|
|
|
static int dispatch_raw_connection_event(sd_event_source *event,
|
|
|
|
int fd,
|
|
|
|
uint32_t revents,
|
|
|
|
void *userdata) {
|
|
|
|
RemoteServer *s = userdata;
|
2014-10-13 04:27:20 +02:00
|
|
|
int fd2;
|
2014-03-15 20:58:03 +01:00
|
|
|
SocketAddress addr = {
|
|
|
|
.size = sizeof(union sockaddr_union),
|
|
|
|
.type = SOCK_STREAM,
|
|
|
|
};
|
2015-03-27 12:02:49 +01:00
|
|
|
char *hostname = NULL;
|
2012-11-01 23:08:03 +01:00
|
|
|
|
2014-06-22 19:36:31 +02:00
|
|
|
fd2 = accept_connection("raw", fd, &addr, &hostname);
|
2014-03-15 20:58:03 +01:00
|
|
|
if (fd2 < 0)
|
|
|
|
return fd2;
|
2012-11-01 23:08:03 +01:00
|
|
|
|
2014-10-13 04:27:20 +02:00
|
|
|
return add_source(s, fd2, hostname, true);
|
2014-03-15 20:58:03 +01:00
|
|
|
}
|
2012-11-01 23:08:03 +01:00
|
|
|
|
|
|
|
/**********************************************************************
|
|
|
|
**********************************************************************
|
|
|
|
**********************************************************************/
|
|
|
|
|
2014-06-22 19:36:31 +02:00
|
|
|
static const char* const journal_write_split_mode_table[_JOURNAL_WRITE_SPLIT_MAX] = {
|
|
|
|
[JOURNAL_WRITE_SPLIT_NONE] = "none",
|
|
|
|
[JOURNAL_WRITE_SPLIT_HOST] = "host",
|
|
|
|
};
|
|
|
|
|
|
|
|
DEFINE_PRIVATE_STRING_TABLE_LOOKUP(journal_write_split_mode, JournalWriteSplitMode);
|
|
|
|
static DEFINE_CONFIG_PARSE_ENUM(config_parse_write_split_mode,
|
|
|
|
journal_write_split_mode,
|
|
|
|
JournalWriteSplitMode,
|
|
|
|
"Failed to parse split mode setting");
|
|
|
|
|
2014-03-31 05:08:02 +02:00
|
|
|
static int parse_config(void) {
|
|
|
|
const ConfigTableItem items[] = {
|
2014-06-22 19:36:31 +02:00
|
|
|
{ "Remote", "SplitMode", config_parse_write_split_mode, 0, &arg_split_mode },
|
|
|
|
{ "Remote", "ServerKeyFile", config_parse_path, 0, &arg_key },
|
|
|
|
{ "Remote", "ServerCertificateFile", config_parse_path, 0, &arg_cert },
|
|
|
|
{ "Remote", "TrustedCertificateFile", config_parse_path, 0, &arg_trust },
|
2014-03-31 05:08:02 +02:00
|
|
|
{}};
|
|
|
|
|
2014-11-29 10:07:28 +01:00
|
|
|
return config_parse_many(PKGSYSCONFDIR "/journal-remote.conf",
|
|
|
|
CONF_DIRS_NULSTR("systemd/journal-remote.conf"),
|
|
|
|
"Remote\0", config_item_table_lookup, items,
|
|
|
|
false, NULL);
|
2014-03-31 05:08:02 +02:00
|
|
|
}
|
|
|
|
|
2014-03-23 17:36:05 +01:00
|
|
|
static void help(void) {
|
2014-03-17 03:33:35 +01:00
|
|
|
printf("%s [OPTIONS...] {FILE|-}...\n\n"
|
2014-07-02 05:18:44 +02:00
|
|
|
"Write external journal events to journal file(s).\n\n"
|
2014-10-22 03:05:04 +02:00
|
|
|
" -h --help Show this help\n"
|
|
|
|
" --version Show package version\n"
|
|
|
|
" --url=URL Read events from systemd-journal-gatewayd at URL\n"
|
|
|
|
" --getter=COMMAND Read events from the output of COMMAND\n"
|
|
|
|
" --listen-raw=ADDR Listen for connections at ADDR\n"
|
|
|
|
" --listen-http=ADDR Listen for HTTP connections at ADDR\n"
|
|
|
|
" --listen-https=ADDR Listen for HTTPS connections at ADDR\n"
|
|
|
|
" -o --output=FILE|DIR Write output to FILE or DIR/external-*.journal\n"
|
|
|
|
" --compress[=BOOL] XZ-compress the output journal (default: yes)\n"
|
|
|
|
" --seal[=BOOL] Use event sealing (default: no)\n"
|
|
|
|
" --key=FILENAME SSL key in PEM format (default:\n"
|
|
|
|
" \"" PRIV_KEY_FILE "\")\n"
|
|
|
|
" --cert=FILENAME SSL certificate in PEM format (default:\n"
|
|
|
|
" \"" CERT_FILE "\")\n"
|
|
|
|
" --trust=FILENAME|all SSL CA certificate or disable checking (default:\n"
|
|
|
|
" \"" TRUST_FILE "\")\n"
|
2014-08-20 00:15:05 +02:00
|
|
|
" --gnutls-log=CATEGORY...\n"
|
2014-10-22 03:05:04 +02:00
|
|
|
" Specify a list of gnutls logging categories\n"
|
|
|
|
" --split-mode=none|host How many output files to create\n"
|
2012-11-01 23:08:03 +01:00
|
|
|
"\n"
|
|
|
|
"Note: file descriptors from sd_listen_fds() will be consumed, too.\n"
|
|
|
|
, program_invocation_short_name);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int parse_argv(int argc, char *argv[]) {
|
|
|
|
enum {
|
|
|
|
ARG_VERSION = 0x100,
|
|
|
|
ARG_URL,
|
|
|
|
ARG_LISTEN_RAW,
|
2014-03-15 20:58:03 +01:00
|
|
|
ARG_LISTEN_HTTP,
|
|
|
|
ARG_LISTEN_HTTPS,
|
2012-11-01 23:08:03 +01:00
|
|
|
ARG_GETTER,
|
2014-06-22 19:36:31 +02:00
|
|
|
ARG_SPLIT_MODE,
|
2012-11-01 23:08:03 +01:00
|
|
|
ARG_COMPRESS,
|
|
|
|
ARG_SEAL,
|
2014-03-15 20:58:03 +01:00
|
|
|
ARG_KEY,
|
|
|
|
ARG_CERT,
|
|
|
|
ARG_TRUST,
|
2014-03-29 16:58:11 +01:00
|
|
|
ARG_GNUTLS_LOG,
|
2012-11-01 23:08:03 +01:00
|
|
|
};
|
|
|
|
|
|
|
|
static const struct option options[] = {
|
|
|
|
{ "help", no_argument, NULL, 'h' },
|
|
|
|
{ "version", no_argument, NULL, ARG_VERSION },
|
|
|
|
{ "url", required_argument, NULL, ARG_URL },
|
|
|
|
{ "getter", required_argument, NULL, ARG_GETTER },
|
|
|
|
{ "listen-raw", required_argument, NULL, ARG_LISTEN_RAW },
|
2014-03-15 20:58:03 +01:00
|
|
|
{ "listen-http", required_argument, NULL, ARG_LISTEN_HTTP },
|
|
|
|
{ "listen-https", required_argument, NULL, ARG_LISTEN_HTTPS },
|
2012-11-01 23:08:03 +01:00
|
|
|
{ "output", required_argument, NULL, 'o' },
|
2014-06-22 19:36:31 +02:00
|
|
|
{ "split-mode", required_argument, NULL, ARG_SPLIT_MODE },
|
2014-08-20 00:15:05 +02:00
|
|
|
{ "compress", optional_argument, NULL, ARG_COMPRESS },
|
|
|
|
{ "seal", optional_argument, NULL, ARG_SEAL },
|
2014-03-15 20:58:03 +01:00
|
|
|
{ "key", required_argument, NULL, ARG_KEY },
|
|
|
|
{ "cert", required_argument, NULL, ARG_CERT },
|
|
|
|
{ "trust", required_argument, NULL, ARG_TRUST },
|
2014-03-29 16:58:11 +01:00
|
|
|
{ "gnutls-log", required_argument, NULL, ARG_GNUTLS_LOG },
|
2012-11-01 23:08:03 +01:00
|
|
|
{}
|
|
|
|
};
|
|
|
|
|
2014-03-15 20:58:03 +01:00
|
|
|
int c, r;
|
2014-06-22 19:36:31 +02:00
|
|
|
bool type_a, type_b;
|
2012-11-01 23:08:03 +01:00
|
|
|
|
|
|
|
assert(argc >= 0);
|
|
|
|
assert(argv);
|
|
|
|
|
|
|
|
while ((c = getopt_long(argc, argv, "ho:", options, NULL)) >= 0)
|
|
|
|
switch(c) {
|
|
|
|
case 'h':
|
|
|
|
help();
|
|
|
|
return 0 /* done */;
|
|
|
|
|
|
|
|
case ARG_VERSION:
|
|
|
|
puts(PACKAGE_STRING);
|
|
|
|
puts(SYSTEMD_FEATURES);
|
|
|
|
return 0 /* done */;
|
|
|
|
|
|
|
|
case ARG_URL:
|
|
|
|
if (arg_url) {
|
|
|
|
log_error("cannot currently set more than one --url");
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
arg_url = optarg;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case ARG_GETTER:
|
|
|
|
if (arg_getter) {
|
|
|
|
log_error("cannot currently use --getter more than once");
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
arg_getter = optarg;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case ARG_LISTEN_RAW:
|
|
|
|
if (arg_listen_raw) {
|
|
|
|
log_error("cannot currently use --listen-raw more than once");
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
arg_listen_raw = optarg;
|
|
|
|
break;
|
|
|
|
|
2014-03-15 20:58:03 +01:00
|
|
|
case ARG_LISTEN_HTTP:
|
2014-03-17 03:33:35 +01:00
|
|
|
if (arg_listen_http || http_socket >= 0) {
|
2014-03-15 20:58:03 +01:00
|
|
|
log_error("cannot currently use --listen-http more than once");
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
2014-10-18 07:27:10 +02:00
|
|
|
r = negative_fd(optarg);
|
2014-03-17 03:33:35 +01:00
|
|
|
if (r >= 0)
|
|
|
|
http_socket = r;
|
2014-06-30 07:11:32 +02:00
|
|
|
else
|
2014-03-17 03:33:35 +01:00
|
|
|
arg_listen_http = optarg;
|
2014-03-15 20:58:03 +01:00
|
|
|
break;
|
|
|
|
|
|
|
|
case ARG_LISTEN_HTTPS:
|
2014-03-17 03:33:35 +01:00
|
|
|
if (arg_listen_https || https_socket >= 0) {
|
2014-03-15 20:58:03 +01:00
|
|
|
log_error("cannot currently use --listen-https more than once");
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
2014-10-18 07:27:10 +02:00
|
|
|
r = negative_fd(optarg);
|
2014-03-17 03:33:35 +01:00
|
|
|
if (r >= 0)
|
|
|
|
https_socket = r;
|
2014-06-30 07:11:32 +02:00
|
|
|
else
|
2014-03-17 03:33:35 +01:00
|
|
|
arg_listen_https = optarg;
|
|
|
|
|
2014-03-15 20:58:03 +01:00
|
|
|
break;
|
|
|
|
|
|
|
|
case ARG_KEY:
|
2014-03-31 05:08:02 +02:00
|
|
|
if (arg_key) {
|
2014-03-15 20:58:03 +01:00
|
|
|
log_error("Key file specified twice");
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
2014-03-31 05:08:02 +02:00
|
|
|
|
|
|
|
arg_key = strdup(optarg);
|
|
|
|
if (!arg_key)
|
|
|
|
return log_oom();
|
|
|
|
|
2014-03-15 20:58:03 +01:00
|
|
|
break;
|
|
|
|
|
|
|
|
case ARG_CERT:
|
2014-03-31 05:08:02 +02:00
|
|
|
if (arg_cert) {
|
2014-03-15 20:58:03 +01:00
|
|
|
log_error("Certificate file specified twice");
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
2014-03-31 05:08:02 +02:00
|
|
|
|
|
|
|
arg_cert = strdup(optarg);
|
|
|
|
if (!arg_cert)
|
|
|
|
return log_oom();
|
|
|
|
|
2014-03-15 20:58:03 +01:00
|
|
|
break;
|
|
|
|
|
|
|
|
case ARG_TRUST:
|
2014-03-31 05:08:02 +02:00
|
|
|
if (arg_trust || arg_trust_all) {
|
|
|
|
log_error("Confusing trusted CA configuration");
|
2014-03-15 20:58:03 +01:00
|
|
|
return -EINVAL;
|
|
|
|
}
|
2014-03-31 05:08:02 +02:00
|
|
|
|
|
|
|
if (streq(optarg, "all"))
|
|
|
|
arg_trust_all = true;
|
|
|
|
else {
|
|
|
|
#ifdef HAVE_GNUTLS
|
|
|
|
arg_trust = strdup(optarg);
|
|
|
|
if (!arg_trust)
|
|
|
|
return log_oom();
|
2014-03-15 20:58:03 +01:00
|
|
|
#else
|
2014-03-31 05:08:02 +02:00
|
|
|
log_error("Option --trust is not available.");
|
|
|
|
return -EINVAL;
|
2014-03-15 20:58:03 +01:00
|
|
|
#endif
|
2014-03-31 05:08:02 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
break;
|
2014-03-15 20:58:03 +01:00
|
|
|
|
2012-11-01 23:08:03 +01:00
|
|
|
case 'o':
|
|
|
|
if (arg_output) {
|
|
|
|
log_error("cannot use --output/-o more than once");
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
arg_output = optarg;
|
|
|
|
break;
|
|
|
|
|
2014-06-22 19:36:31 +02:00
|
|
|
case ARG_SPLIT_MODE:
|
|
|
|
arg_split_mode = journal_write_split_mode_from_string(optarg);
|
|
|
|
if (arg_split_mode == _JOURNAL_WRITE_SPLIT_INVALID) {
|
|
|
|
log_error("Invalid split mode: %s", optarg);
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
2012-11-01 23:08:03 +01:00
|
|
|
case ARG_COMPRESS:
|
2014-08-20 00:15:05 +02:00
|
|
|
if (optarg) {
|
|
|
|
r = parse_boolean(optarg);
|
|
|
|
if (r < 0) {
|
|
|
|
log_error("Failed to parse --compress= parameter.");
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
arg_compress = !!r;
|
|
|
|
} else
|
|
|
|
arg_compress = true;
|
|
|
|
|
2012-11-01 23:08:03 +01:00
|
|
|
break;
|
2014-08-20 00:15:05 +02:00
|
|
|
|
2012-11-01 23:08:03 +01:00
|
|
|
case ARG_SEAL:
|
2014-08-20 00:15:05 +02:00
|
|
|
if (optarg) {
|
|
|
|
r = parse_boolean(optarg);
|
|
|
|
if (r < 0) {
|
|
|
|
log_error("Failed to parse --seal= parameter.");
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
arg_seal = !!r;
|
|
|
|
} else
|
|
|
|
arg_seal = true;
|
|
|
|
|
2012-11-01 23:08:03 +01:00
|
|
|
break;
|
|
|
|
|
2014-03-29 16:58:11 +01:00
|
|
|
case ARG_GNUTLS_LOG: {
|
|
|
|
#ifdef HAVE_GNUTLS
|
2014-07-30 04:01:36 +02:00
|
|
|
const char *word, *state;
|
2014-03-29 16:58:11 +01:00
|
|
|
size_t size;
|
|
|
|
|
|
|
|
FOREACH_WORD_SEPARATOR(word, size, optarg, ",", state) {
|
|
|
|
char *cat;
|
|
|
|
|
|
|
|
cat = strndup(word, size);
|
|
|
|
if (!cat)
|
|
|
|
return log_oom();
|
|
|
|
|
|
|
|
if (strv_consume(&arg_gnutls_log, cat) < 0)
|
|
|
|
return log_oom();
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
#else
|
|
|
|
log_error("Option --gnutls-log is not available.");
|
|
|
|
return -EINVAL;
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
2012-11-01 23:08:03 +01:00
|
|
|
case '?':
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
default:
|
2014-08-02 17:12:21 +02:00
|
|
|
assert_not_reached("Unknown option code.");
|
2012-11-01 23:08:03 +01:00
|
|
|
}
|
|
|
|
|
2014-03-17 03:33:35 +01:00
|
|
|
if (optind < argc)
|
|
|
|
arg_files = argv + optind;
|
2012-11-01 23:08:03 +01:00
|
|
|
|
2014-06-22 19:36:31 +02:00
|
|
|
type_a = arg_getter || !strv_isempty(arg_files);
|
|
|
|
type_b = arg_url
|
|
|
|
|| arg_listen_raw
|
|
|
|
|| arg_listen_http || arg_listen_https
|
|
|
|
|| sd_listen_fds(false) > 0;
|
|
|
|
if (type_a && type_b) {
|
|
|
|
log_error("Cannot use file input or --getter with "
|
|
|
|
"--arg-listen-... or socket activation.");
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
if (type_a) {
|
|
|
|
if (!arg_output) {
|
|
|
|
log_error("Option --output must be specified with file input or --getter.");
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
arg_split_mode = JOURNAL_WRITE_SPLIT_NONE;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (arg_split_mode == JOURNAL_WRITE_SPLIT_NONE
|
|
|
|
&& arg_output && is_dir(arg_output, true) > 0) {
|
|
|
|
log_error("For SplitMode=none, output must be a file.");
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (arg_split_mode == JOURNAL_WRITE_SPLIT_HOST
|
|
|
|
&& arg_output && is_dir(arg_output, true) <= 0) {
|
|
|
|
log_error("For SplitMode=host, output must be a directory.");
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
log_debug("Full config: SplitMode=%s Key=%s Cert=%s Trust=%s",
|
|
|
|
journal_write_split_mode_to_string(arg_split_mode),
|
|
|
|
strna(arg_key),
|
|
|
|
strna(arg_cert),
|
|
|
|
strna(arg_trust));
|
|
|
|
|
2012-11-01 23:08:03 +01:00
|
|
|
return 1 /* work to do */;
|
|
|
|
}
|
|
|
|
|
2014-03-31 05:08:02 +02:00
|
|
|
static int load_certificates(char **key, char **cert, char **trust) {
|
|
|
|
int r;
|
|
|
|
|
2014-08-03 07:12:30 +02:00
|
|
|
r = read_full_file(arg_key ?: PRIV_KEY_FILE, key, NULL);
|
2014-11-28 17:34:26 +01:00
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Failed to read key from file '%s': %m",
|
|
|
|
arg_key ?: PRIV_KEY_FILE);
|
2014-03-31 05:08:02 +02:00
|
|
|
|
|
|
|
r = read_full_file(arg_cert ?: CERT_FILE, cert, NULL);
|
2014-11-28 17:34:26 +01:00
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Failed to read certificate from file '%s': %m",
|
|
|
|
arg_cert ?: CERT_FILE);
|
2014-03-31 05:08:02 +02:00
|
|
|
|
|
|
|
if (arg_trust_all)
|
|
|
|
log_info("Certificate checking disabled.");
|
|
|
|
else {
|
|
|
|
r = read_full_file(arg_trust ?: TRUST_FILE, trust, NULL);
|
2014-11-28 17:34:26 +01:00
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Failed to read CA certificate file '%s': %m",
|
|
|
|
arg_trust ?: TRUST_FILE);
|
2014-03-31 05:08:02 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2012-11-01 23:08:03 +01:00
|
|
|
int main(int argc, char **argv) {
|
|
|
|
RemoteServer s = {};
|
2014-07-02 06:15:37 +02:00
|
|
|
int r;
|
2014-03-31 05:08:02 +02:00
|
|
|
_cleanup_free_ char *key = NULL, *cert = NULL, *trust = NULL;
|
2012-11-01 23:08:03 +01:00
|
|
|
|
|
|
|
log_show_color(true);
|
|
|
|
log_parse_environment();
|
|
|
|
|
2014-03-31 05:08:02 +02:00
|
|
|
r = parse_config();
|
|
|
|
if (r < 0)
|
|
|
|
return EXIT_FAILURE;
|
|
|
|
|
2012-11-01 23:08:03 +01:00
|
|
|
r = parse_argv(argc, argv);
|
|
|
|
if (r <= 0)
|
|
|
|
return r == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
|
|
|
|
|
2015-03-14 03:07:45 +01:00
|
|
|
|
|
|
|
if (arg_listen_http || arg_listen_https) {
|
|
|
|
r = setup_gnutls_logger(arg_gnutls_log);
|
|
|
|
if (r < 0)
|
|
|
|
return EXIT_FAILURE;
|
|
|
|
}
|
2014-03-15 20:58:03 +01:00
|
|
|
|
2014-06-22 19:36:31 +02:00
|
|
|
if (arg_listen_https || https_socket >= 0)
|
|
|
|
if (load_certificates(&key, &cert, &trust) < 0)
|
|
|
|
return EXIT_FAILURE;
|
2014-03-31 05:08:02 +02:00
|
|
|
|
|
|
|
if (remoteserver_init(&s, key, cert, trust) < 0)
|
2012-11-01 23:08:03 +01:00
|
|
|
return EXIT_FAILURE;
|
|
|
|
|
2014-10-22 03:05:04 +02:00
|
|
|
r = sd_event_set_watchdog(s.events, true);
|
|
|
|
if (r < 0)
|
2014-11-28 13:19:16 +01:00
|
|
|
log_error_errno(r, "Failed to enable watchdog: %m");
|
2014-10-22 03:05:04 +02:00
|
|
|
else
|
|
|
|
log_debug("Watchdog is %s.", r > 0 ? "enabled" : "disabled");
|
2014-04-02 02:30:13 +02:00
|
|
|
|
2014-04-25 13:45:15 +02:00
|
|
|
log_debug("%s running as pid "PID_FMT,
|
|
|
|
program_invocation_short_name, getpid());
|
2012-11-01 23:08:03 +01:00
|
|
|
sd_notify(false,
|
|
|
|
"READY=1\n"
|
|
|
|
"STATUS=Processing requests...");
|
|
|
|
|
|
|
|
while (s.active) {
|
|
|
|
r = sd_event_get_state(s.events);
|
|
|
|
if (r < 0)
|
|
|
|
break;
|
|
|
|
if (r == SD_EVENT_FINISHED)
|
|
|
|
break;
|
|
|
|
|
|
|
|
r = sd_event_run(s.events, -1);
|
|
|
|
if (r < 0) {
|
2014-11-28 13:19:16 +01:00
|
|
|
log_error_errno(r, "Failed to run event loop: %m");
|
2012-11-01 23:08:03 +01:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2014-08-21 17:19:28 +02:00
|
|
|
sd_notifyf(false,
|
|
|
|
"STOPPING=1\n"
|
|
|
|
"STATUS=Shutting down after writing %" PRIu64 " entries...", s.event_count);
|
2014-07-02 06:15:37 +02:00
|
|
|
log_info("Finishing after writing %" PRIu64 " entries", s.event_count);
|
2012-11-01 23:08:03 +01:00
|
|
|
|
2014-08-21 17:19:28 +02:00
|
|
|
server_destroy(&s);
|
2012-11-01 23:08:03 +01:00
|
|
|
|
2014-03-31 05:08:02 +02:00
|
|
|
free(arg_key);
|
|
|
|
free(arg_cert);
|
|
|
|
free(arg_trust);
|
|
|
|
|
2014-07-02 06:15:37 +02:00
|
|
|
return r >= 0 ? EXIT_SUCCESS : EXIT_FAILURE;
|
2012-11-01 23:08:03 +01:00
|
|
|
}
|