1106 lines
38 KiB
C
1106 lines
38 KiB
C
/*-*- 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 2011 Lennart Poettering
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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 <locale.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <stddef.h>
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#include <string.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <sys/poll.h>
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#include <time.h>
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#include <getopt.h>
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#include <signal.h>
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#include <sys/stat.h>
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#include <sys/ioctl.h>
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#include <linux/fs.h>
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#include <systemd/sd-journal.h>
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#include "log.h"
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#include "util.h"
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#include "path-util.h"
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#include "build.h"
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#include "pager.h"
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#include "logs-show.h"
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#include "strv.h"
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#include "journal-internal.h"
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#include "journal-def.h"
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#include "journal-verify.h"
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#include "journal-authenticate.h"
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#include "journal-qrcode.h"
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#include "fsprg.h"
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#include "unit-name.h"
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#include "catalog.h"
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#define DEFAULT_FSS_INTERVAL_USEC (15*USEC_PER_MINUTE)
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static OutputMode arg_output = OUTPUT_SHORT;
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static bool arg_follow = false;
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static bool arg_full = false;
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static bool arg_all = false;
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static bool arg_no_pager = false;
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static unsigned arg_lines = 0;
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static bool arg_no_tail = false;
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static bool arg_quiet = false;
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static bool arg_merge = false;
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static bool arg_this_boot = false;
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static const char *arg_cursor = NULL;
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static const char *arg_directory = NULL;
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static int arg_priorities = 0xFF;
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static const char *arg_verify_key = NULL;
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#ifdef HAVE_GCRYPT
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static usec_t arg_interval = DEFAULT_FSS_INTERVAL_USEC;
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#endif
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static usec_t arg_since, arg_until;
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static bool arg_since_set = false, arg_until_set = false;
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static const char *arg_unit = NULL;
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static const char *arg_field = NULL;
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static bool arg_catalog = false;
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static enum {
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ACTION_SHOW,
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ACTION_NEW_ID128,
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ACTION_PRINT_HEADER,
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ACTION_SETUP_KEYS,
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ACTION_VERIFY,
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ACTION_DISK_USAGE,
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ACTION_LIST_CATALOG,
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ACTION_UPDATE_CATALOG
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} arg_action = ACTION_SHOW;
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static int help(void) {
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printf("%s [OPTIONS...] [MATCHES...]\n\n"
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"Query the journal.\n\n"
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"Flags:\n"
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" --since=DATE Start showing entries newer or of the specified date\n"
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" --until=DATE Stop showing entries older or of the specified date\n"
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" -c --cursor=CURSOR Start showing entries from specified cursor\n"
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" -b --this-boot Show data only from current boot\n"
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" -u --unit=UNIT Show data only from the specified unit\n"
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" -p --priority=RANGE Show only messages within the specified priority range\n"
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" -f --follow Follow journal\n"
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" -n --lines[=INTEGER] Number of journal entries to show\n"
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" --no-tail Show all lines, even in follow mode\n"
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" -o --output=STRING Change journal output mode (short, short-monotonic,\n"
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" verbose, export, json, json-pretty, json-sse, cat)\n"
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" -x --catalog Add message explanations where available\n"
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" --full Do not ellipsize fields\n"
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" -a --all Show all fields, including long and unprintable\n"
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" -q --quiet Don't show privilege warning\n"
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" --no-pager Do not pipe output into a pager\n"
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" -m --merge Show entries from all available journals\n"
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" -D --directory=PATH Show journal files from directory\n"
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#ifdef HAVE_GCRYPT
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" --interval=TIME Time interval for changing the FSS sealing key\n"
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" --verify-key=KEY Specify FSS verification key\n"
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#endif
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"\nCommands:\n"
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" -h --help Show this help\n"
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" --version Show package version\n"
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" --new-id128 Generate a new 128 Bit ID\n"
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" --header Show journal header information\n"
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" --disk-usage Show total disk usage\n"
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" -F --field=FIELD List all values a certain field takes\n"
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" --list-catalog Show message IDs of all entries in the message catalog\n"
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" --update-catalog Update the message catalog database\n"
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#ifdef HAVE_GCRYPT
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" --setup-keys Generate new FSS key pair\n"
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" --verify Verify journal file consistency\n"
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#endif
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, program_invocation_short_name);
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return 0;
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}
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static int parse_argv(int argc, char *argv[]) {
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enum {
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ARG_VERSION = 0x100,
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ARG_NO_PAGER,
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ARG_NO_TAIL,
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ARG_NEW_ID128,
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ARG_HEADER,
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ARG_FULL,
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ARG_SETUP_KEYS,
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ARG_INTERVAL,
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ARG_VERIFY,
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ARG_VERIFY_KEY,
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ARG_DISK_USAGE,
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ARG_SINCE,
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ARG_UNTIL,
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ARG_LIST_CATALOG,
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ARG_UPDATE_CATALOG
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};
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static const struct option options[] = {
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{ "help", no_argument, NULL, 'h' },
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{ "version" , no_argument, NULL, ARG_VERSION },
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{ "no-pager", no_argument, NULL, ARG_NO_PAGER },
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{ "follow", no_argument, NULL, 'f' },
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{ "output", required_argument, NULL, 'o' },
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{ "all", no_argument, NULL, 'a' },
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{ "full", no_argument, NULL, ARG_FULL },
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{ "lines", optional_argument, NULL, 'n' },
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{ "no-tail", no_argument, NULL, ARG_NO_TAIL },
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{ "new-id128", no_argument, NULL, ARG_NEW_ID128 },
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{ "quiet", no_argument, NULL, 'q' },
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{ "merge", no_argument, NULL, 'm' },
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{ "this-boot", no_argument, NULL, 'b' },
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{ "directory", required_argument, NULL, 'D' },
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{ "header", no_argument, NULL, ARG_HEADER },
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{ "priority", required_argument, NULL, 'p' },
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{ "setup-keys", no_argument, NULL, ARG_SETUP_KEYS },
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{ "interval", required_argument, NULL, ARG_INTERVAL },
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{ "verify", no_argument, NULL, ARG_VERIFY },
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{ "verify-key", required_argument, NULL, ARG_VERIFY_KEY },
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{ "disk-usage", no_argument, NULL, ARG_DISK_USAGE },
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{ "cursor", required_argument, NULL, 'c' },
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{ "since", required_argument, NULL, ARG_SINCE },
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{ "until", required_argument, NULL, ARG_UNTIL },
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{ "unit", required_argument, NULL, 'u' },
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{ "field", required_argument, NULL, 'F' },
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{ "catalog", no_argument, NULL, 'x' },
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{ "list-catalog", no_argument, NULL, ARG_LIST_CATALOG },
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{ "update-catalog",no_argument, NULL, ARG_UPDATE_CATALOG },
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{ NULL, 0, NULL, 0 }
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};
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int c, r;
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assert(argc >= 0);
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assert(argv);
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while ((c = getopt_long(argc, argv, "hfo:an::qmbD:p:c:u:F:x", options, NULL)) >= 0) {
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switch (c) {
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case 'h':
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help();
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return 0;
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case ARG_VERSION:
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puts(PACKAGE_STRING);
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puts(DISTRIBUTION);
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puts(SYSTEMD_FEATURES);
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return 0;
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case ARG_NO_PAGER:
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arg_no_pager = true;
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break;
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case 'f':
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arg_follow = true;
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break;
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case 'o':
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arg_output = output_mode_from_string(optarg);
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if (arg_output < 0) {
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log_error("Unknown output format '%s'.", optarg);
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return -EINVAL;
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}
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if (arg_output == OUTPUT_EXPORT ||
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arg_output == OUTPUT_JSON ||
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arg_output == OUTPUT_JSON_PRETTY ||
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arg_output == OUTPUT_JSON_SSE ||
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arg_output == OUTPUT_CAT)
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arg_quiet = true;
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break;
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case ARG_FULL:
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arg_full = true;
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break;
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case 'a':
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arg_all = true;
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break;
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case 'n':
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if (optarg) {
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r = safe_atou(optarg, &arg_lines);
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if (r < 0 || arg_lines <= 0) {
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log_error("Failed to parse lines '%s'", optarg);
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return -EINVAL;
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}
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} else
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arg_lines = 10;
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break;
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case ARG_NO_TAIL:
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arg_no_tail = true;
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break;
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case ARG_NEW_ID128:
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arg_action = ACTION_NEW_ID128;
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break;
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case 'q':
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arg_quiet = true;
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break;
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case 'm':
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arg_merge = true;
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break;
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case 'b':
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arg_this_boot = true;
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break;
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case 'D':
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arg_directory = optarg;
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break;
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case 'c':
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arg_cursor = optarg;
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break;
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case ARG_HEADER:
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arg_action = ACTION_PRINT_HEADER;
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break;
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case ARG_VERIFY:
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arg_action = ACTION_VERIFY;
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break;
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case ARG_DISK_USAGE:
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arg_action = ACTION_DISK_USAGE;
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break;
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#ifdef HAVE_GCRYPT
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case ARG_SETUP_KEYS:
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arg_action = ACTION_SETUP_KEYS;
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break;
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case ARG_VERIFY_KEY:
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arg_action = ACTION_VERIFY;
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arg_verify_key = optarg;
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arg_merge = false;
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break;
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case ARG_INTERVAL:
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r = parse_usec(optarg, &arg_interval);
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if (r < 0 || arg_interval <= 0) {
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log_error("Failed to parse sealing key change interval: %s", optarg);
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return -EINVAL;
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}
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break;
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#else
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case ARG_SETUP_KEYS:
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case ARG_VERIFY_KEY:
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case ARG_INTERVAL:
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log_error("Forward-secure sealing not available.");
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return -ENOTSUP;
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#endif
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case 'p': {
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const char *dots;
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dots = strstr(optarg, "..");
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if (dots) {
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char *a;
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int from, to, i;
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/* a range */
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a = strndup(optarg, dots - optarg);
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if (!a)
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return log_oom();
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from = log_level_from_string(a);
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to = log_level_from_string(dots + 2);
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free(a);
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if (from < 0 || to < 0) {
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log_error("Failed to parse log level range %s", optarg);
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return -EINVAL;
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}
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arg_priorities = 0;
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if (from < to) {
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for (i = from; i <= to; i++)
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arg_priorities |= 1 << i;
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} else {
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for (i = to; i <= from; i++)
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arg_priorities |= 1 << i;
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}
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} else {
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int p, i;
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p = log_level_from_string(optarg);
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if (p < 0) {
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log_error("Unknown log level %s", optarg);
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return -EINVAL;
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}
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arg_priorities = 0;
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for (i = 0; i <= p; i++)
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arg_priorities |= 1 << i;
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}
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break;
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}
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case ARG_SINCE:
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r = parse_timestamp(optarg, &arg_since);
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if (r < 0) {
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log_error("Failed to parse timestamp: %s", optarg);
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return -EINVAL;
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}
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arg_since_set = true;
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break;
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case ARG_UNTIL:
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r = parse_timestamp(optarg, &arg_until);
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if (r < 0) {
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log_error("Failed to parse timestamp: %s", optarg);
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return -EINVAL;
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}
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arg_until_set = true;
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break;
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case 'u':
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arg_unit = optarg;
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break;
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case '?':
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return -EINVAL;
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case 'F':
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arg_field = optarg;
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break;
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case 'x':
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arg_catalog = true;
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break;
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case ARG_LIST_CATALOG:
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arg_action = ACTION_LIST_CATALOG;
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break;
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case ARG_UPDATE_CATALOG:
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arg_action = ACTION_UPDATE_CATALOG;
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break;
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default:
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log_error("Unknown option code %c", c);
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return -EINVAL;
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}
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}
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if (arg_follow && !arg_no_tail && arg_lines <= 0)
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arg_lines = 10;
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if (arg_since_set && arg_until_set && arg_since_set > arg_until_set) {
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log_error("--since= must be before --until=.");
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return -EINVAL;
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}
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if (arg_cursor && arg_since_set) {
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log_error("Please specify either --since= or --cursor=, not both.");
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return -EINVAL;
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}
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return 1;
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}
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static int generate_new_id128(void) {
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sd_id128_t id;
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int r;
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unsigned i;
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r = sd_id128_randomize(&id);
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if (r < 0) {
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log_error("Failed to generate ID: %s", strerror(-r));
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return r;
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}
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printf("As string:\n"
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SD_ID128_FORMAT_STR "\n\n"
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"As UUID:\n"
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"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\n\n"
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"As macro:\n"
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"#define MESSAGE_XYZ SD_ID128_MAKE(",
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SD_ID128_FORMAT_VAL(id),
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SD_ID128_FORMAT_VAL(id));
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for (i = 0; i < 16; i++)
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printf("%02x%s", id.bytes[i], i != 15 ? "," : "");
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fputs(")\n", stdout);
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return 0;
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}
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static int add_matches(sd_journal *j, char **args) {
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char **i;
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int r;
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assert(j);
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STRV_FOREACH(i, args) {
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if (streq(*i, "+"))
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r = sd_journal_add_disjunction(j);
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else if (path_is_absolute(*i)) {
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char *p, *t = NULL;
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const char *path;
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struct stat st;
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p = canonicalize_file_name(*i);
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path = p ? p : *i;
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if (stat(path, &st) < 0) {
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free(p);
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log_error("Couldn't stat file: %m");
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return -errno;
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}
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if (S_ISREG(st.st_mode) && (0111 & st.st_mode))
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t = strappend("_EXE=", path);
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else if (S_ISCHR(st.st_mode))
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asprintf(&t, "_KERNEL_DEVICE=c%u:%u", major(st.st_rdev), minor(st.st_rdev));
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else if (S_ISBLK(st.st_mode))
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asprintf(&t, "_KERNEL_DEVICE=b%u:%u", major(st.st_rdev), minor(st.st_rdev));
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else {
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free(p);
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log_error("File is not a device node, regular file or is not executable: %s", *i);
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return -EINVAL;
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}
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free(p);
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if (!t)
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return log_oom();
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r = sd_journal_add_match(j, t, 0);
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free(t);
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} else
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r = sd_journal_add_match(j, *i, 0);
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if (r < 0) {
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log_error("Failed to add match '%s': %s", *i, strerror(-r));
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return r;
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}
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}
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return 0;
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}
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static int add_this_boot(sd_journal *j) {
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char match[9+32+1] = "_BOOT_ID=";
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sd_id128_t boot_id;
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int r;
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assert(j);
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if (!arg_this_boot)
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return 0;
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r = sd_id128_get_boot(&boot_id);
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if (r < 0) {
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log_error("Failed to get boot id: %s", strerror(-r));
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return r;
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}
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sd_id128_to_string(boot_id, match + 9);
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r = sd_journal_add_match(j, match, strlen(match));
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if (r < 0) {
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log_error("Failed to add match: %s", strerror(-r));
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return r;
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}
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return 0;
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}
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|
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static int add_unit(sd_journal *j) {
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|
_cleanup_free_ char *m = NULL, *u = NULL;
|
|
int r;
|
|
|
|
assert(j);
|
|
|
|
if (isempty(arg_unit))
|
|
return 0;
|
|
|
|
u = unit_name_mangle(arg_unit);
|
|
if (!u)
|
|
return log_oom();
|
|
|
|
m = strappend("_SYSTEMD_UNIT=", u);
|
|
if (!m)
|
|
return log_oom();
|
|
|
|
r = sd_journal_add_match(j, m, strlen(m));
|
|
if (r < 0) {
|
|
log_error("Failed to add match: %s", strerror(-r));
|
|
return r;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int add_priorities(sd_journal *j) {
|
|
char match[] = "PRIORITY=0";
|
|
int i, r;
|
|
|
|
assert(j);
|
|
|
|
if (arg_priorities == 0xFF)
|
|
return 0;
|
|
|
|
for (i = LOG_EMERG; i <= LOG_DEBUG; i++)
|
|
if (arg_priorities & (1 << i)) {
|
|
match[sizeof(match)-2] = '0' + i;
|
|
|
|
r = sd_journal_add_match(j, match, strlen(match));
|
|
if (r < 0) {
|
|
log_error("Failed to add match: %s", strerror(-r));
|
|
return r;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int setup_keys(void) {
|
|
#ifdef HAVE_GCRYPT
|
|
size_t mpk_size, seed_size, state_size, i;
|
|
uint8_t *mpk, *seed, *state;
|
|
ssize_t l;
|
|
int fd = -1, r, attr = 0;
|
|
sd_id128_t machine, boot;
|
|
char *p = NULL, *k = NULL;
|
|
struct FSSHeader h;
|
|
uint64_t n;
|
|
|
|
r = sd_id128_get_machine(&machine);
|
|
if (r < 0) {
|
|
log_error("Failed to get machine ID: %s", strerror(-r));
|
|
return r;
|
|
}
|
|
|
|
r = sd_id128_get_boot(&boot);
|
|
if (r < 0) {
|
|
log_error("Failed to get boot ID: %s", strerror(-r));
|
|
return r;
|
|
}
|
|
|
|
if (asprintf(&p, "/var/log/journal/" SD_ID128_FORMAT_STR "/fss",
|
|
SD_ID128_FORMAT_VAL(machine)) < 0)
|
|
return log_oom();
|
|
|
|
if (access(p, F_OK) >= 0) {
|
|
log_error("Sealing key file %s exists already.", p);
|
|
r = -EEXIST;
|
|
goto finish;
|
|
}
|
|
|
|
if (asprintf(&k, "/var/log/journal/" SD_ID128_FORMAT_STR "/fss.tmp.XXXXXX",
|
|
SD_ID128_FORMAT_VAL(machine)) < 0) {
|
|
r = log_oom();
|
|
goto finish;
|
|
}
|
|
|
|
mpk_size = FSPRG_mskinbytes(FSPRG_RECOMMENDED_SECPAR);
|
|
mpk = alloca(mpk_size);
|
|
|
|
seed_size = FSPRG_RECOMMENDED_SEEDLEN;
|
|
seed = alloca(seed_size);
|
|
|
|
state_size = FSPRG_stateinbytes(FSPRG_RECOMMENDED_SECPAR);
|
|
state = alloca(state_size);
|
|
|
|
fd = open("/dev/random", O_RDONLY|O_CLOEXEC|O_NOCTTY);
|
|
if (fd < 0) {
|
|
log_error("Failed to open /dev/random: %m");
|
|
r = -errno;
|
|
goto finish;
|
|
}
|
|
|
|
log_info("Generating seed...");
|
|
l = loop_read(fd, seed, seed_size, true);
|
|
if (l < 0 || (size_t) l != seed_size) {
|
|
log_error("Failed to read random seed: %s", strerror(EIO));
|
|
r = -EIO;
|
|
goto finish;
|
|
}
|
|
|
|
log_info("Generating key pair...");
|
|
FSPRG_GenMK(NULL, mpk, seed, seed_size, FSPRG_RECOMMENDED_SECPAR);
|
|
|
|
log_info("Generating sealing key...");
|
|
FSPRG_GenState0(state, mpk, seed, seed_size);
|
|
|
|
assert(arg_interval > 0);
|
|
|
|
n = now(CLOCK_REALTIME);
|
|
n /= arg_interval;
|
|
|
|
close_nointr_nofail(fd);
|
|
fd = mkostemp(k, O_WRONLY|O_CLOEXEC|O_NOCTTY);
|
|
if (fd < 0) {
|
|
log_error("Failed to open %s: %m", k);
|
|
r = -errno;
|
|
goto finish;
|
|
}
|
|
|
|
/* Enable secure remove, exclusion from dump, synchronous
|
|
* writing and in-place updating */
|
|
if (ioctl(fd, FS_IOC_GETFLAGS, &attr) < 0)
|
|
log_warning("FS_IOC_GETFLAGS failed: %m");
|
|
|
|
attr |= FS_SECRM_FL|FS_NODUMP_FL|FS_SYNC_FL|FS_NOCOW_FL;
|
|
|
|
if (ioctl(fd, FS_IOC_SETFLAGS, &attr) < 0)
|
|
log_warning("FS_IOC_SETFLAGS failed: %m");
|
|
|
|
zero(h);
|
|
memcpy(h.signature, "KSHHRHLP", 8);
|
|
h.machine_id = machine;
|
|
h.boot_id = boot;
|
|
h.header_size = htole64(sizeof(h));
|
|
h.start_usec = htole64(n * arg_interval);
|
|
h.interval_usec = htole64(arg_interval);
|
|
h.fsprg_secpar = htole16(FSPRG_RECOMMENDED_SECPAR);
|
|
h.fsprg_state_size = htole64(state_size);
|
|
|
|
l = loop_write(fd, &h, sizeof(h), false);
|
|
if (l < 0 || (size_t) l != sizeof(h)) {
|
|
log_error("Failed to write header: %s", strerror(EIO));
|
|
r = -EIO;
|
|
goto finish;
|
|
}
|
|
|
|
l = loop_write(fd, state, state_size, false);
|
|
if (l < 0 || (size_t) l != state_size) {
|
|
log_error("Failed to write state: %s", strerror(EIO));
|
|
r = -EIO;
|
|
goto finish;
|
|
}
|
|
|
|
if (link(k, p) < 0) {
|
|
log_error("Failed to link file: %m");
|
|
r = -errno;
|
|
goto finish;
|
|
}
|
|
|
|
if (on_tty()) {
|
|
fprintf(stderr,
|
|
"\n"
|
|
"The new key pair has been generated. The " ANSI_HIGHLIGHT_ON "secret sealing key" ANSI_HIGHLIGHT_OFF " has been written to\n"
|
|
"the following local file. This key file is automatically updated when the\n"
|
|
"sealing key is advanced. It should not be used on multiple hosts.\n"
|
|
"\n"
|
|
"\t%s\n"
|
|
"\n"
|
|
"Please write down the following " ANSI_HIGHLIGHT_ON "secret verification key" ANSI_HIGHLIGHT_OFF ". It should be stored\n"
|
|
"at a safe location and should not be saved locally on disk.\n"
|
|
"\n\t" ANSI_HIGHLIGHT_RED_ON, p);
|
|
fflush(stderr);
|
|
}
|
|
for (i = 0; i < seed_size; i++) {
|
|
if (i > 0 && i % 3 == 0)
|
|
putchar('-');
|
|
printf("%02x", ((uint8_t*) seed)[i]);
|
|
}
|
|
|
|
printf("/%llx-%llx\n", (unsigned long long) n, (unsigned long long) arg_interval);
|
|
|
|
if (on_tty()) {
|
|
char tsb[FORMAT_TIMESPAN_MAX], *hn;
|
|
|
|
fprintf(stderr,
|
|
ANSI_HIGHLIGHT_OFF "\n"
|
|
"The sealing key is automatically changed every %s.\n",
|
|
format_timespan(tsb, sizeof(tsb), arg_interval));
|
|
|
|
hn = gethostname_malloc();
|
|
|
|
if (hn) {
|
|
hostname_cleanup(hn);
|
|
fprintf(stderr, "\nThe keys have been generated for host %s/" SD_ID128_FORMAT_STR ".\n", hn, SD_ID128_FORMAT_VAL(machine));
|
|
} else
|
|
fprintf(stderr, "\nThe keys have been generated for host " SD_ID128_FORMAT_STR ".\n", SD_ID128_FORMAT_VAL(machine));
|
|
|
|
#ifdef HAVE_QRENCODE
|
|
/* If this is not an UTF-8 system don't print any QR codes */
|
|
if (is_locale_utf8()) {
|
|
fputs("\nTo transfer the verification key to your phone please scan the QR code below:\n\n", stderr);
|
|
print_qr_code(stderr, seed, seed_size, n, arg_interval, hn, machine);
|
|
}
|
|
#endif
|
|
free(hn);
|
|
}
|
|
|
|
r = 0;
|
|
|
|
finish:
|
|
if (fd >= 0)
|
|
close_nointr_nofail(fd);
|
|
|
|
if (k) {
|
|
unlink(k);
|
|
free(k);
|
|
}
|
|
|
|
free(p);
|
|
|
|
return r;
|
|
#else
|
|
log_error("Forward-secure sealing not available.");
|
|
return -ENOTSUP;
|
|
#endif
|
|
}
|
|
|
|
static int verify(sd_journal *j) {
|
|
int r = 0;
|
|
Iterator i;
|
|
JournalFile *f;
|
|
|
|
assert(j);
|
|
|
|
log_show_color(true);
|
|
|
|
HASHMAP_FOREACH(f, j->files, i) {
|
|
int k;
|
|
usec_t first, validated, last;
|
|
|
|
#ifdef HAVE_GCRYPT
|
|
if (!arg_verify_key && JOURNAL_HEADER_SEALED(f->header))
|
|
log_notice("Journal file %s has sealing enabled but verification key has not been passed using --verify-key=.", f->path);
|
|
#endif
|
|
|
|
k = journal_file_verify(f, arg_verify_key, &first, &validated, &last, true);
|
|
if (k == -EINVAL) {
|
|
/* If the key was invalid give up right-away. */
|
|
return k;
|
|
} else if (k < 0) {
|
|
log_warning("FAIL: %s (%s)", f->path, strerror(-k));
|
|
r = k;
|
|
} else {
|
|
char a[FORMAT_TIMESTAMP_MAX], b[FORMAT_TIMESTAMP_MAX], c[FORMAT_TIMESPAN_MAX];
|
|
log_info("PASS: %s", f->path);
|
|
|
|
if (arg_verify_key && JOURNAL_HEADER_SEALED(f->header)) {
|
|
if (validated > 0) {
|
|
log_info("=> Validated from %s to %s, final %s entries not sealed.",
|
|
format_timestamp(a, sizeof(a), first),
|
|
format_timestamp(b, sizeof(b), validated),
|
|
format_timespan(c, sizeof(c), last > validated ? last - validated : 0));
|
|
} else if (last > 0)
|
|
log_info("=> No sealing yet, %s of entries not sealed.",
|
|
format_timespan(c, sizeof(c), last - first));
|
|
else
|
|
log_info("=> No sealing yet, no entries in file.");
|
|
}
|
|
}
|
|
}
|
|
|
|
return r;
|
|
}
|
|
|
|
static int access_check(void) {
|
|
|
|
#ifdef HAVE_ACL
|
|
if (access("/var/log/journal", F_OK) < 0 && geteuid() != 0 && in_group("adm") <= 0) {
|
|
log_error("Unprivileged users can't see messages unless persistent log storage is enabled. Users in the group 'adm' can always see messages.");
|
|
return -EACCES;
|
|
}
|
|
|
|
if (!arg_quiet && geteuid() != 0 && in_group("adm") <= 0)
|
|
log_warning("Showing user generated messages only. Users in the group 'adm' can see all messages. Pass -q to turn this notice off.");
|
|
#else
|
|
if (geteuid() != 0 && in_group("adm") <= 0) {
|
|
log_error("No access to messages. Only users in the group 'adm' can see messages.");
|
|
return -EACCES;
|
|
}
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
int main(int argc, char *argv[]) {
|
|
int r;
|
|
sd_journal *j = NULL;
|
|
bool need_seek = false;
|
|
sd_id128_t previous_boot_id;
|
|
bool previous_boot_id_valid = false;
|
|
unsigned n_shown = 0;
|
|
|
|
setlocale(LC_ALL, "");
|
|
log_parse_environment();
|
|
log_open();
|
|
|
|
r = parse_argv(argc, argv);
|
|
if (r <= 0)
|
|
goto finish;
|
|
|
|
signal(SIGWINCH, columns_lines_cache_reset);
|
|
|
|
if (arg_action == ACTION_NEW_ID128) {
|
|
r = generate_new_id128();
|
|
goto finish;
|
|
}
|
|
|
|
if (arg_action == ACTION_SETUP_KEYS) {
|
|
r = setup_keys();
|
|
goto finish;
|
|
}
|
|
|
|
if (arg_action == ACTION_LIST_CATALOG) {
|
|
r = catalog_list(stdout);
|
|
if (r < 0)
|
|
log_error("Failed to list catalog: %s", strerror(-r));
|
|
goto finish;
|
|
}
|
|
|
|
if (arg_action == ACTION_UPDATE_CATALOG) {
|
|
r = catalog_update();
|
|
goto finish;
|
|
}
|
|
|
|
r = access_check();
|
|
if (r < 0)
|
|
goto finish;
|
|
|
|
if (arg_directory)
|
|
r = sd_journal_open_directory(&j, arg_directory, 0);
|
|
else
|
|
r = sd_journal_open(&j, arg_merge ? 0 : SD_JOURNAL_LOCAL_ONLY);
|
|
if (r < 0) {
|
|
log_error("Failed to open journal: %s", strerror(-r));
|
|
goto finish;
|
|
}
|
|
|
|
if (arg_action == ACTION_VERIFY) {
|
|
r = verify(j);
|
|
goto finish;
|
|
}
|
|
|
|
if (arg_action == ACTION_PRINT_HEADER) {
|
|
journal_print_header(j);
|
|
r = 0;
|
|
goto finish;
|
|
}
|
|
|
|
if (arg_action == ACTION_DISK_USAGE) {
|
|
uint64_t bytes;
|
|
char sbytes[FORMAT_BYTES_MAX];
|
|
|
|
r = sd_journal_get_usage(j, &bytes);
|
|
if (r < 0)
|
|
goto finish;
|
|
|
|
printf("Journals take up %s on disk.\n", format_bytes(sbytes, sizeof(sbytes), bytes));
|
|
r = 0;
|
|
goto finish;
|
|
}
|
|
|
|
r = add_this_boot(j);
|
|
if (r < 0)
|
|
goto finish;
|
|
|
|
r = add_unit(j);
|
|
if (r < 0)
|
|
goto finish;
|
|
|
|
r = add_matches(j, argv + optind);
|
|
if (r < 0)
|
|
goto finish;
|
|
|
|
r = add_priorities(j);
|
|
if (r < 0)
|
|
goto finish;
|
|
|
|
if (arg_field) {
|
|
const void *data;
|
|
size_t size;
|
|
|
|
r = sd_journal_query_unique(j, arg_field);
|
|
if (r < 0) {
|
|
log_error("Failed to query unique data objects: %s", strerror(-r));
|
|
goto finish;
|
|
}
|
|
|
|
SD_JOURNAL_FOREACH_UNIQUE(j, data, size) {
|
|
const void *eq;
|
|
|
|
if (arg_lines > 0 && n_shown >= arg_lines)
|
|
break;
|
|
|
|
eq = memchr(data, '=', size);
|
|
if (eq)
|
|
printf("%.*s\n", (int) (size - ((const uint8_t*) eq - (const uint8_t*) data + 1)), (const char*) eq + 1);
|
|
else
|
|
printf("%.*s\n", (int) size, (const char*) data);
|
|
|
|
n_shown ++;
|
|
}
|
|
|
|
r = 0;
|
|
goto finish;
|
|
}
|
|
|
|
if (arg_cursor) {
|
|
r = sd_journal_seek_cursor(j, arg_cursor);
|
|
if (r < 0) {
|
|
log_error("Failed to seek to cursor: %s", strerror(-r));
|
|
goto finish;
|
|
}
|
|
|
|
r = sd_journal_next(j);
|
|
|
|
} else if (arg_since_set) {
|
|
r = sd_journal_seek_realtime_usec(j, arg_since);
|
|
if (r < 0) {
|
|
log_error("Failed to seek to date: %s", strerror(-r));
|
|
goto finish;
|
|
}
|
|
r = sd_journal_next(j);
|
|
|
|
} else if (arg_lines > 0) {
|
|
r = sd_journal_seek_tail(j);
|
|
if (r < 0) {
|
|
log_error("Failed to seek to tail: %s", strerror(-r));
|
|
goto finish;
|
|
}
|
|
|
|
r = sd_journal_previous_skip(j, arg_lines);
|
|
|
|
} else {
|
|
r = sd_journal_seek_head(j);
|
|
if (r < 0) {
|
|
log_error("Failed to seek to head: %s", strerror(-r));
|
|
goto finish;
|
|
}
|
|
|
|
r = sd_journal_next(j);
|
|
}
|
|
|
|
if (r < 0) {
|
|
log_error("Failed to iterate through journal: %s", strerror(-r));
|
|
goto finish;
|
|
}
|
|
|
|
if (!arg_no_pager && !arg_follow)
|
|
pager_open();
|
|
|
|
if (!arg_quiet) {
|
|
usec_t start, end;
|
|
char start_buf[FORMAT_TIMESTAMP_MAX], end_buf[FORMAT_TIMESTAMP_MAX];
|
|
|
|
r = sd_journal_get_cutoff_realtime_usec(j, &start, &end);
|
|
if (r < 0) {
|
|
log_error("Failed to get cutoff: %s", strerror(-r));
|
|
goto finish;
|
|
}
|
|
|
|
if (r > 0) {
|
|
if (arg_follow)
|
|
printf("-- Logs begin at %s. --\n",
|
|
format_timestamp(start_buf, sizeof(start_buf), start));
|
|
else
|
|
printf("-- Logs begin at %s, end at %s. --\n",
|
|
format_timestamp(start_buf, sizeof(start_buf), start),
|
|
format_timestamp(end_buf, sizeof(end_buf), end));
|
|
}
|
|
}
|
|
|
|
for (;;) {
|
|
while (arg_lines == 0 || arg_follow || n_shown < arg_lines) {
|
|
int flags;
|
|
|
|
if (need_seek) {
|
|
r = sd_journal_next(j);
|
|
if (r < 0) {
|
|
log_error("Failed to iterate through journal: %s", strerror(-r));
|
|
goto finish;
|
|
}
|
|
}
|
|
|
|
if (r == 0)
|
|
break;
|
|
|
|
if (arg_until_set) {
|
|
usec_t usec;
|
|
|
|
r = sd_journal_get_realtime_usec(j, &usec);
|
|
if (r < 0) {
|
|
log_error("Failed to determine timestamp: %s", strerror(-r));
|
|
goto finish;
|
|
}
|
|
}
|
|
|
|
if (!arg_merge) {
|
|
sd_id128_t boot_id;
|
|
|
|
r = sd_journal_get_monotonic_usec(j, NULL, &boot_id);
|
|
if (r >= 0) {
|
|
if (previous_boot_id_valid &&
|
|
!sd_id128_equal(boot_id, previous_boot_id))
|
|
printf(ANSI_HIGHLIGHT_ON "-- Reboot --" ANSI_HIGHLIGHT_OFF "\n");
|
|
|
|
previous_boot_id = boot_id;
|
|
previous_boot_id_valid = true;
|
|
}
|
|
}
|
|
|
|
flags =
|
|
arg_all * OUTPUT_SHOW_ALL |
|
|
(arg_full || !on_tty() || pager_have()) * OUTPUT_FULL_WIDTH |
|
|
on_tty() * OUTPUT_COLOR |
|
|
arg_catalog * OUTPUT_CATALOG;
|
|
|
|
r = output_journal(stdout, j, arg_output, 0, flags);
|
|
if (r < 0)
|
|
goto finish;
|
|
|
|
need_seek = true;
|
|
n_shown++;
|
|
}
|
|
|
|
if (!arg_follow)
|
|
break;
|
|
|
|
r = sd_journal_wait(j, (uint64_t) -1);
|
|
if (r < 0) {
|
|
log_error("Couldn't wait for journal event: %s", strerror(-r));
|
|
goto finish;
|
|
}
|
|
}
|
|
|
|
finish:
|
|
if (j)
|
|
sd_journal_close(j);
|
|
|
|
pager_close();
|
|
|
|
return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
|
|
}
|