#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
-#include <time.h>
#include <getopt.h>
#include <signal.h>
+#include <poll.h>
#include <sys/stat.h>
-#include <sys/ioctl.h>
+#include <sys/inotify.h>
#include <linux/fs.h>
-#ifdef HAVE_ACL
-#include <sys/acl.h>
-#include "acl-util.h"
-#endif
-
-#include "systemd/sd-journal.h"
+#include "sd-journal.h"
+#include "sd-bus.h"
#include "log.h"
#include "logs-show.h"
#include "util.h"
+#include "acl-util.h"
#include "path-util.h"
#include "fileio.h"
#include "build.h"
#include "pager.h"
#include "strv.h"
#include "set.h"
+#include "sigbus.h"
#include "journal-internal.h"
#include "journal-def.h"
#include "journal-verify.h"
-#include "journal-authenticate.h"
#include "journal-qrcode.h"
+#include "journal-vacuum.h"
#include "fsprg.h"
#include "unit-name.h"
#include "catalog.h"
+#include "mkdir.h"
+#include "bus-util.h"
+#include "bus-error.h"
#define DEFAULT_FSS_INTERVAL_USEC (15*USEC_PER_MINUTE)
+enum {
+ /* Special values for arg_lines */
+ ARG_LINES_DEFAULT = -2,
+ ARG_LINES_ALL = -1,
+};
+
static OutputMode arg_output = OUTPUT_SHORT;
+static bool arg_utc = false;
static bool arg_pager_end = false;
static bool arg_follow = false;
static bool arg_full = true;
static bool arg_all = false;
static bool arg_no_pager = false;
-static int arg_lines = -2;
+static int arg_lines = ARG_LINES_DEFAULT;
static bool arg_no_tail = false;
static bool arg_quiet = false;
static bool arg_merge = false;
static int arg_journal_type = 0;
static const char *arg_root = NULL;
static const char *arg_machine = NULL;
+static off_t arg_vacuum_size = (off_t) -1;
+static usec_t arg_vacuum_time = USEC_INFINITY;
static enum {
ACTION_SHOW,
ACTION_DUMP_CATALOG,
ACTION_UPDATE_CATALOG,
ACTION_LIST_BOOTS,
+ ACTION_FLUSH,
+ ACTION_VACUUM,
} arg_action = ACTION_SHOW;
typedef struct boot_id_t {
pager_open(arg_pager_end);
}
+static char *format_timestamp_maybe_utc(char *buf, size_t l, usec_t t) {
+
+ if (arg_utc)
+ return format_timestamp_utc(buf, l, t);
+
+ return format_timestamp(buf, l, t);
+}
+
static int parse_boot_descriptor(const char *x, sd_id128_t *boot_id, int *offset) {
sd_id128_t id = SD_ID128_NULL;
int off = 0, r;
" --system Show the system journal\n"
" --user Show the user journal for the current user\n"
" -M --machine=CONTAINER Operate on local container\n"
- " --since=DATE Start showing entries on or newer than the specified date\n"
- " --until=DATE Stop showing entries on or older than the specified date\n"
- " -c --cursor=CURSOR Start showing entries from the specified cursor\n"
- " --after-cursor=CURSOR Start showing entries from after the specified cursor\n"
+ " --since=DATE Show entries not older than the specified date\n"
+ " --until=DATE Show entries not newer than the specified date\n"
+ " -c --cursor=CURSOR Show entries starting at the specified cursor\n"
+ " --after-cursor=CURSOR Show entries after the specified cursor\n"
" --show-cursor Print the cursor after all the entries\n"
- " -b --boot[=ID] Show data only from ID or, if unspecified, the current boot\n"
+ " -b --boot[=ID] Show current boot or the specified boot\n"
" --list-boots Show terse information about recorded boots\n"
" -k --dmesg Show kernel message log from the current boot\n"
- " -u --unit=UNIT Show data only from the specified unit\n"
- " --user-unit=UNIT Show data only from the specified user session unit\n"
- " -t --identifier=STRING Show only messages with the specified syslog identifier\n"
- " -p --priority=RANGE Show only messages within the specified priority range\n"
- " -e --pager-end Immediately jump to end of the journal in the pager\n"
+ " -u --unit=UNIT Show logs from the specified unit\n"
+ " --user-unit=UNIT Show logs from the specified user unit\n"
+ " -t --identifier=STRING Show entries with the specified syslog identifier\n"
+ " -p --priority=RANGE Show entries with the specified priority\n"
+ " -e --pager-end Immediately jump to the end in the pager\n"
" -f --follow Follow the journal\n"
" -n --lines[=INTEGER] Number of journal entries to show\n"
" --no-tail Show all lines, even in follow mode\n"
" -o --output=STRING Change journal output mode (short, short-iso,\n"
" short-precise, short-monotonic, verbose,\n"
" export, json, json-pretty, json-sse, cat)\n"
+ " --utc Express time in Coordinated Universal Time (UTC)\n"
" -x --catalog Add message explanations where available\n"
" --no-full Ellipsize fields\n"
" -a --all Show all fields, including long and unprintable\n"
#ifdef HAVE_GCRYPT
" --interval=TIME Time interval for changing the FSS sealing key\n"
" --verify-key=KEY Specify FSS verification key\n"
- " --force Force overriding of the FSS key pair with --setup-keys\n"
+ " --force Override of the FSS key pair with --setup-keys\n"
#endif
"\nCommands:\n"
" -h --help Show this help text\n"
" --version Show package version\n"
+ " -F --field=FIELD List all values that a specified field takes\n"
" --new-id128 Generate a new 128-bit ID\n"
- " --header Show journal header information\n"
" --disk-usage Show total disk usage of all journal files\n"
- " -F --field=FIELD List all values that a specified field takes\n"
- " --list-catalog Show message IDs of all entries in the message catalog\n"
+ " --vacuum-size=BYTES Reduce disk usage below specified size\n"
+ " --vacuum-time=TIME Remove journal files older than specified date\n"
+ " --flush Flush all journal data from /run into /var\n"
+ " --header Show journal header information\n"
+ " --list-catalog Show all message IDs in the catalog\n"
" --dump-catalog Show entries in the message catalog\n"
" --update-catalog Update the message catalog database\n"
#ifdef HAVE_GCRYPT
ARG_DUMP_CATALOG,
ARG_UPDATE_CATALOG,
ARG_FORCE,
+ ARG_UTC,
+ ARG_FLUSH,
+ ARG_VACUUM_SIZE,
+ ARG_VACUUM_TIME,
};
static const struct option options[] = {
{ "update-catalog", no_argument, NULL, ARG_UPDATE_CATALOG },
{ "reverse", no_argument, NULL, 'r' },
{ "machine", required_argument, NULL, 'M' },
+ { "utc", no_argument, NULL, ARG_UTC },
+ { "flush", no_argument, NULL, ARG_FLUSH },
+ { "vacuum-size", required_argument, NULL, ARG_VACUUM_SIZE },
+ { "vacuum-time", required_argument, NULL, ARG_VACUUM_TIME },
{}
};
case 'e':
arg_pager_end = true;
- if (arg_lines < -1)
+ if (arg_lines == ARG_LINES_DEFAULT)
arg_lines = 1000;
break;
case 'n':
if (optarg) {
if (streq(optarg, "all"))
- arg_lines = -1;
+ arg_lines = ARG_LINES_ALL;
else {
r = safe_atoi(optarg, &arg_lines);
if (r < 0 || arg_lines < 0) {
if (optind < argc) {
int n;
if (streq(argv[optind], "all")) {
- arg_lines = -1;
+ arg_lines = ARG_LINES_ALL;
optind++;
} else if (safe_atoi(argv[optind], &n) >= 0 && n >= 0) {
arg_lines = n;
case ARG_FILE:
r = glob_extend(&arg_file, optarg);
- if (r < 0) {
- log_error("Failed to add paths: %s", strerror(-r));
- return r;
- };
+ if (r < 0)
+ return log_error_errno(r, "Failed to add paths: %m");
break;
case ARG_ROOT:
arg_action = ACTION_DISK_USAGE;
break;
+ case ARG_VACUUM_SIZE:
+ r = parse_size(optarg, 1024, &arg_vacuum_size);
+ if (r < 0) {
+ log_error("Failed to parse vacuum size: %s", optarg);
+ return r;
+ }
+
+ arg_action = ACTION_VACUUM;
+ break;
+
+ case ARG_VACUUM_TIME:
+ r = parse_sec(optarg, &arg_vacuum_time);
+ if (r < 0) {
+ log_error("Failed to parse vacuum time: %s", optarg);
+ return r;
+ }
+
+ arg_action = ACTION_VACUUM;
+ break;
+
#ifdef HAVE_GCRYPT
case ARG_FORCE:
arg_force = true;
arg_reverse = true;
break;
+ case ARG_UTC:
+ arg_utc = true;
+ break;
+
+ case ARG_FLUSH:
+ arg_action = ACTION_FLUSH;
+ break;
+
case '?':
return -EINVAL;
assert_not_reached("Unhandled option");
}
- if (arg_follow && !arg_no_tail && arg_lines < -1)
+ if (arg_follow && !arg_no_tail && !arg_since && arg_lines == ARG_LINES_DEFAULT)
arg_lines = 10;
if (!!arg_directory + !!arg_file + !!arg_machine > 1) {
unsigned i;
r = sd_id128_randomize(&id);
- if (r < 0) {
- log_error("Failed to generate ID: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to generate ID: %m");
printf("As string:\n"
SD_ID128_FORMAT_STR "\n\n"
p = canonicalize_file_name(*i);
path = p ? p : *i;
- if (stat(path, &st) < 0) {
- log_error("Couldn't stat file: %m");
- return -errno;
- }
+ if (stat(path, &st) < 0)
+ return log_error_errno(errno, "Couldn't stat file: %m");
if (S_ISREG(st.st_mode) && (0111 & st.st_mode)) {
if (executable_is_script(path, &interpreter) > 0) {
have_term = true;
}
- if (r < 0) {
- log_error("Failed to add match '%s': %s", *i, strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to add match '%s': %m", *i);
}
if (!strv_isempty(args) && !have_term) {
return _a < _b ? -1 : (_a > _b ? 1 : 0);
}
-static int list_boots(sd_journal *j) {
+static int get_boots(sd_journal *j,
+ boot_id_t **boots,
+ unsigned int *count,
+ boot_id_t *query_ref_boot) {
int r;
const void *data;
- unsigned int count = 0;
- int w, i;
size_t length, allocated = 0;
- boot_id_t *id;
- _cleanup_free_ boot_id_t *all_ids = NULL;
+
+ assert(j);
+ assert(boots);
+ assert(count);
r = sd_journal_query_unique(j, "_BOOT_ID");
if (r < 0)
return r;
+ *count = 0;
SD_JOURNAL_FOREACH_UNIQUE(j, data, length) {
- if (length < strlen("_BOOT_ID="))
- continue;
+ boot_id_t *id;
- if (!GREEDY_REALLOC(all_ids, allocated, count + 1))
+ assert(startswith(data, "_BOOT_ID="));
+
+ if (!GREEDY_REALLOC(*boots, allocated, *count + 1))
return log_oom();
- id = &all_ids[count];
+ id = *boots + *count;
r = sd_id128_from_string(((const char *)data) + strlen("_BOOT_ID="), &id->id);
if (r < 0)
if (r < 0)
return r;
- r = sd_journal_seek_tail(j);
- if (r < 0)
- return r;
+ if (query_ref_boot) {
+ id->last = 0;
+ if (sd_id128_equal(id->id, query_ref_boot->id))
+ *query_ref_boot = *id;
+ } else {
+ r = sd_journal_seek_tail(j);
+ if (r < 0)
+ return r;
- r = sd_journal_previous(j);
- if (r < 0)
- return r;
- else if (r == 0)
- goto flush;
+ r = sd_journal_previous(j);
+ if (r < 0)
+ return r;
+ else if (r == 0)
+ goto flush;
- r = sd_journal_get_realtime_usec(j, &id->last);
- if (r < 0)
- return r;
+ r = sd_journal_get_realtime_usec(j, &id->last);
+ if (r < 0)
+ return r;
+ }
- count++;
+ (*count)++;
flush:
sd_journal_flush_matches(j);
}
- qsort_safe(all_ids, count, sizeof(boot_id_t), boot_id_cmp);
+ qsort_safe(*boots, *count, sizeof(boot_id_t), boot_id_cmp);
+ return 0;
+}
+
+static int list_boots(sd_journal *j) {
+ int r, w, i;
+ unsigned int count;
+ boot_id_t *id;
+ _cleanup_free_ boot_id_t *all_ids = NULL;
+
+ assert(j);
+
+ r = get_boots(j, &all_ids, &count, NULL);
+ if (r < 0)
+ return r;
+
+ pager_open_if_enabled();
/* numbers are one less, but we need an extra char for the sign */
w = DECIMAL_STR_WIDTH(count - 1) + 1;
printf("% *i " SD_ID128_FORMAT_STR " %s—%s\n",
w, i - count + 1,
SD_ID128_FORMAT_VAL(id->id),
- format_timestamp(a, sizeof(a), id->first),
- format_timestamp(b, sizeof(b), id->last));
+ format_timestamp_maybe_utc(a, sizeof(a), id->first),
+ format_timestamp_maybe_utc(b, sizeof(b), id->last));
}
return 0;
}
-static int get_relative_boot_id(sd_journal *j, sd_id128_t *boot_id, int relative) {
+static int get_boot_id_by_offset(sd_journal *j, sd_id128_t *boot_id, int offset) {
int r;
- const void *data;
- unsigned int count = 0;
- size_t length, allocated = 0;
- boot_id_t ref_boot_id = {SD_ID128_NULL}, *id;
+ unsigned int count;
+ boot_id_t ref_boot_id = {}, *id;
_cleanup_free_ boot_id_t *all_ids = NULL;
assert(j);
assert(boot_id);
- r = sd_journal_query_unique(j, "_BOOT_ID");
+ ref_boot_id.id = *boot_id;
+ r = get_boots(j, &all_ids, &count, &ref_boot_id);
if (r < 0)
return r;
- SD_JOURNAL_FOREACH_UNIQUE(j, data, length) {
- if (length < strlen("_BOOT_ID="))
- continue;
-
- if (!GREEDY_REALLOC(all_ids, allocated, count + 1))
- return log_oom();
-
- id = &all_ids[count];
-
- r = sd_id128_from_string(((const char *)data) + strlen("_BOOT_ID="), &id->id);
- if (r < 0)
- continue;
-
- r = sd_journal_add_match(j, data, length);
- if (r < 0)
- return r;
-
- r = sd_journal_seek_head(j);
- if (r < 0)
- return r;
-
- r = sd_journal_next(j);
- if (r < 0)
- return r;
- else if (r == 0)
- goto flush;
-
- r = sd_journal_get_realtime_usec(j, &id->first);
- if (r < 0)
- return r;
-
- if (sd_id128_equal(id->id, *boot_id))
- ref_boot_id = *id;
-
- count++;
- flush:
- sd_journal_flush_matches(j);
- }
-
- qsort_safe(all_ids, count, sizeof(boot_id_t), boot_id_cmp);
-
if (sd_id128_equal(*boot_id, SD_ID128_NULL)) {
- if (relative > (int) count || relative <= -(int)count)
+ if (offset > (int) count || offset <= -(int)count)
return -EADDRNOTAVAIL;
- *boot_id = all_ids[(relative <= 0)*count + relative - 1].id;
+ *boot_id = all_ids[(offset <= 0)*count + offset - 1].id;
} else {
id = bsearch(&ref_boot_id, all_ids, count, sizeof(boot_id_t), boot_id_cmp);
if (!id ||
- relative <= 0 ? (id - all_ids) + relative < 0 :
- (id - all_ids) + relative >= (int) count)
+ offset <= 0 ? (id - all_ids) + offset < 0 :
+ (id - all_ids) + offset >= (int) count)
return -EADDRNOTAVAIL;
- *boot_id = (id + relative)->id;
+ *boot_id = (id + offset)->id;
}
return 0;
if (arg_boot_offset == 0 && sd_id128_equal(arg_boot_id, SD_ID128_NULL))
return add_match_this_boot(j, arg_machine);
- r = get_relative_boot_id(j, &arg_boot_id, arg_boot_offset);
+ r = get_boot_id_by_offset(j, &arg_boot_id, arg_boot_offset);
if (r < 0) {
if (sd_id128_equal(arg_boot_id, SD_ID128_NULL))
- log_error("Failed to look up boot %+i: %s", arg_boot_offset, strerror(-r));
+ log_error_errno(r, "Failed to look up boot %+i: %m", arg_boot_offset);
else
log_error("Failed to look up boot ID "SD_ID128_FORMAT_STR"%+i: %s",
SD_ID128_FORMAT_VAL(arg_boot_id), arg_boot_offset, strerror(-r));
sd_id128_to_string(arg_boot_id, match + 9);
r = sd_journal_add_match(j, match, sizeof(match) - 1);
- if (r < 0) {
- log_error("Failed to add match: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to add match: %m");
r = sd_journal_add_conjunction(j);
if (r < 0)
return 0;
r = sd_journal_add_match(j, "_TRANSPORT=kernel", strlen("_TRANSPORT=kernel"));
- if (r < 0) {
- log_error("Failed to add match: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to add match: %m");
r = sd_journal_add_conjunction(j);
if (r < 0)
const char *field;
int r;
- found = set_new(string_hash_func, string_compare_func);
+ found = set_new(&string_hash_ops);
if (!found)
return log_oom();
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;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to add match: %m");
}
r = sd_journal_add_conjunction(j);
STRV_FOREACH(i, arg_syslog_identifier) {
char *u;
- u = strappenda("SYSLOG_IDENTIFIER=", *i);
+ u = strjoina("SYSLOG_IDENTIFIER=", *i);
r = sd_journal_add_match(j, u, 0);
if (r < 0)
return r;
size_t mpk_size, seed_size, state_size, i;
uint8_t *mpk, *seed, *state;
ssize_t l;
- int fd = -1, r, attr = 0;
+ int fd = -1, r;
sd_id128_t machine, boot;
char *p = NULL, *k = NULL;
struct FSSHeader h;
struct stat st;
r = stat("/var/log/journal", &st);
- if (r < 0 && errno != ENOENT && errno != ENOTDIR) {
- log_error("stat(\"%s\") failed: %m", "/var/log/journal");
- return -errno;
- }
+ if (r < 0 && errno != ENOENT && errno != ENOTDIR)
+ return log_error_errno(errno, "stat(\"%s\") failed: %m", "/var/log/journal");
if (r < 0 || !S_ISDIR(st.st_mode)) {
log_error("%s is not a directory, must be using persistent logging for FSS.",
}
r = sd_id128_get_machine(&machine);
- if (r < 0) {
- log_error("Failed to get machine ID: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to get machine ID: %m");
r = sd_id128_get_boot(&boot);
- if (r < 0) {
- log_error("Failed to get boot ID: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to get boot ID: %m");
if (asprintf(&p, "/var/log/journal/" SD_ID128_FORMAT_STR "/fss",
SD_ID128_FORMAT_VAL(machine)) < 0)
if (arg_force) {
r = unlink(p);
if (r < 0) {
- log_error("unlink(\"%s\") failed: %m", p);
+ log_error_errno(errno, "unlink(\"%s\") failed: %m", p);
r = -errno;
goto finish;
}
fd = open("/dev/random", O_RDONLY|O_CLOEXEC|O_NOCTTY);
if (fd < 0) {
- log_error("Failed to open /dev/random: %m");
+ log_error_errno(errno, "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));
+ log_error_errno(EIO, "Failed to read random seed: %m");
r = -EIO;
goto finish;
}
safe_close(fd);
fd = mkostemp_safe(k, O_WRONLY|O_CLOEXEC);
if (fd < 0) {
- log_error("Failed to open %s: %m", k);
+ log_error_errno(errno, "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");
+ r = chattr_fd(fd, true, FS_SECRM_FL|FS_NODUMP_FL|FS_SYNC_FL|FS_NOCOW_FL);
+ if (r < 0)
+ log_warning_errno(errno, "Failed to set file attributes: %m");
zero(h);
memcpy(h.signature, "KSHHRHLP", 8);
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;
+ r = loop_write(fd, &h, sizeof(h), false);
+ if (r < 0) {
+ log_error_errno(r, "Failed to write header: %m");
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;
+ r = loop_write(fd, state, state_size, false);
+ if (r < 0) {
+ log_error_errno(r, "Failed to write state: %m");
goto finish;
}
if (link(k, p) < 0) {
- log_error("Failed to link file: %m");
+ log_error_errno(errno, "Failed to link file: %m");
r = -errno;
goto finish;
}
log_show_color(true);
- HASHMAP_FOREACH(f, j->files, i) {
+ ORDERED_HASHMAP_FOREACH(f, j->files, i) {
int k;
usec_t first, validated, last;
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_timestamp_maybe_utc(a, sizeof(a), first),
+ format_timestamp_maybe_utc(b, sizeof(b), validated),
format_timespan(c, sizeof(c), last > validated ? last - validated : 0, 0));
} else if (last > 0)
log_info("=> No sealing yet, %s of entries not sealed.",
have_access = in_group("systemd-journal") > 0;
if (!have_access) {
+ const char* dir;
+
+ if (access("/run/log/journal", F_OK) >= 0)
+ dir = "/run/log/journal";
+ else
+ dir = "/var/log/journal";
+
/* Let's enumerate all groups from the default ACL of
* the directory, which generally should allow access
* to most journal files too */
- r = search_acl_groups(&g, "/var/log/journal/", &have_access);
+ r = search_acl_groups(&g, dir, &have_access);
if (r < 0)
return r;
}
return log_oom();
log_notice("Hint: You are currently not seeing messages from other users and the system.\n"
- " Users in the groups '%s' can see all messages.\n"
+ " Users in groups '%s' can see all messages.\n"
" Pass -q to turn off this notice.", s);
}
}
assert(j);
if (set_isempty(j->errors)) {
- if (hashmap_isempty(j->files))
+ if (ordered_hashmap_isempty(j->files))
log_notice("No journal files were found.");
return 0;
}
if (set_contains(j->errors, INT_TO_PTR(-EACCES))) {
#ifdef HAVE_ACL
- /* If /var/log/journal doesn't even exist,
- * unprivileged users have no access at all */
- if (access("/var/log/journal", F_OK) < 0 &&
- geteuid() != 0 &&
- in_group("systemd-journal") <= 0) {
- log_error("Unprivileged users cannot access messages, unless persistent log storage is\n"
- "enabled. Users in the 'systemd-journal' group may always access messages.");
- return -EACCES;
- }
-
- /* If /var/log/journal exists, try to pring a nice
- notice if the user lacks access to it */
+ /* If /run/log/journal or /var/log/journal exist, try
+ to pring a nice notice if the user lacks access to it. */
if (!arg_quiet && geteuid() != 0) {
r = access_check_var_log_journal(j);
if (r < 0)
}
#endif
- if (hashmap_isempty(j->files)) {
+ if (ordered_hashmap_isempty(j->files)) {
log_error("No journal files were opened due to insufficient permissions.");
r = -EACCES;
}
assert(err > 0);
if (err != EACCES)
- log_warning("Error was encountered while opening journal files: %s",
- strerror(err));
+ log_warning_errno(err, "Error was encountered while opening journal files: %m");
}
return r;
}
+static int flush_to_var(void) {
+ _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_bus_close_unref_ sd_bus *bus = NULL;
+ _cleanup_close_ int watch_fd = -1;
+ int r;
+
+ /* Quick exit */
+ if (access("/run/systemd/journal/flushed", F_OK) >= 0)
+ return 0;
+
+ /* OK, let's actually do the full logic, send SIGUSR1 to the
+ * daemon and set up inotify to wait for the flushed file to appear */
+ r = bus_open_system_systemd(&bus);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get D-Bus connection: %m");
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "KillUnit",
+ &error,
+ NULL,
+ "ssi", "systemd-journald.service", "main", SIGUSR1);
+ if (r < 0) {
+ log_error("Failed to kill journal service: %s", bus_error_message(&error, r));
+ return r;
+ }
+
+ mkdir_p("/run/systemd/journal", 0755);
+
+ watch_fd = inotify_init1(IN_NONBLOCK|IN_CLOEXEC);
+ if (watch_fd < 0)
+ return log_error_errno(errno, "Failed to create inotify watch: %m");
+
+ r = inotify_add_watch(watch_fd, "/run/systemd/journal", IN_CREATE|IN_DONT_FOLLOW|IN_ONLYDIR);
+ if (r < 0)
+ return log_error_errno(errno, "Failed to watch journal directory: %m");
+
+ for (;;) {
+ if (access("/run/systemd/journal/flushed", F_OK) >= 0)
+ break;
+
+ if (errno != ENOENT)
+ return log_error_errno(errno, "Failed to check for existence of /run/systemd/journal/flushed: %m");
+
+ r = fd_wait_for_event(watch_fd, POLLIN, USEC_INFINITY);
+ if (r < 0)
+ return log_error_errno(r, "Failed to wait for event: %m");
+
+ r = flush_fd(watch_fd);
+ if (r < 0)
+ return log_error_errno(r, "Failed to flush inotify events: %m");
+ }
+
+ return 0;
+}
+
int main(int argc, char *argv[]) {
int r;
_cleanup_journal_close_ sd_journal *j = NULL;
goto finish;
signal(SIGWINCH, columns_lines_cache_reset);
+ sigbus_install();
+
+ /* Increase max number of open files to 16K if we can, we
+ * might needs this when browsing journal files, which might
+ * be split up into many files. */
+ setrlimit_closest(RLIMIT_NOFILE, &RLIMIT_MAKE_CONST(16384));
if (arg_action == ACTION_NEW_ID128) {
r = generate_new_id128();
goto finish;
}
+ if (arg_action == ACTION_FLUSH) {
+ r = flush_to_var();
+ goto finish;
+ }
+
if (arg_action == ACTION_SETUP_KEYS) {
r = setup_keys();
goto finish;
if (arg_action == ACTION_UPDATE_CATALOG) {
r = catalog_update(database, arg_root, catalog_file_dirs);
if (r < 0)
- log_error("Failed to list catalog: %s", strerror(-r));
+ log_error_errno(r, "Failed to list catalog: %m");
} else {
bool oneline = arg_action == ACTION_LIST_CATALOG;
else
r = catalog_list(stdout, database, oneline);
if (r < 0)
- log_error("Failed to list catalog: %s", strerror(-r));
+ log_error_errno(r, "Failed to list catalog: %m");
}
goto finish;
else
r = sd_journal_open(&j, !arg_merge*SD_JOURNAL_LOCAL_ONLY + arg_journal_type);
if (r < 0) {
- log_error("Failed to open %s: %s",
- arg_directory ? arg_directory : arg_file ? "files" : "journal",
- strerror(-r));
+ log_error_errno(r, "Failed to open %s: %m",
+ arg_directory ? arg_directory : arg_file ? "files" : "journal");
return EXIT_FAILURE;
}
if (r < 0)
return EXIT_FAILURE;
- printf("Journals take up %s on disk.\n",
+ printf("Archived and active journals take up %s on disk.\n",
format_bytes(sbytes, sizeof(sbytes), bytes));
return EXIT_SUCCESS;
}
+ if (arg_action == ACTION_VACUUM) {
+ Directory *d;
+ Iterator i;
+
+ HASHMAP_FOREACH(d, j->directories_by_path, i) {
+ int q;
+
+ if (d->is_root)
+ continue;
+
+ q = journal_directory_vacuum(d->path, arg_vacuum_size, arg_vacuum_time, NULL, true);
+ if (q < 0) {
+ log_error_errno(q, "Failed to vacuum: %m");
+ r = q;
+ }
+ }
+
+ return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
+ }
+
if (arg_action == ACTION_LIST_BOOTS) {
r = list_boots(j);
goto finish;
strv_free(arg_user_units);
if (r < 0) {
- log_error("Failed to add filter for units: %s", strerror(-r));
+ log_error_errno(r, "Failed to add filter for units: %m");
return EXIT_FAILURE;
}
r = add_syslog_identifier(j);
if (r < 0) {
- log_error("Failed to add filter for syslog identifiers: %s", strerror(-r));
+ log_error_errno(r, "Failed to add filter for syslog identifiers: %m");
return EXIT_FAILURE;
}
r = add_priorities(j);
if (r < 0) {
- log_error("Failed to add filter for priorities: %s", strerror(-r));
+ log_error_errno(r, "Failed to add filter for priorities: %m");
return EXIT_FAILURE;
}
r = add_matches(j, argv + optind);
if (r < 0) {
- log_error("Failed to add filters: %s", strerror(-r));
+ log_error_errno(r, "Failed to add filters: %m");
return EXIT_FAILURE;
}
- if (_unlikely_(log_get_max_level() >= LOG_PRI(LOG_DEBUG))) {
+ if (_unlikely_(log_get_max_level() >= LOG_DEBUG)) {
_cleanup_free_ char *filter;
filter = journal_make_match_string(j);
r = sd_journal_query_unique(j, arg_field);
if (r < 0) {
- log_error("Failed to query unique data objects: %s", strerror(-r));
+ log_error_errno(r, "Failed to query unique data objects: %m");
return EXIT_FAILURE;
}
if (arg_cursor || arg_after_cursor) {
r = sd_journal_seek_cursor(j, arg_cursor ?: arg_after_cursor);
if (r < 0) {
- log_error("Failed to seek to cursor: %s", strerror(-r));
+ log_error_errno(r, "Failed to seek to cursor: %m");
return EXIT_FAILURE;
}
if (!arg_reverse)
else
r = sd_journal_previous_skip(j, 1 + !!arg_after_cursor);
- if (arg_after_cursor && r < 2 && !arg_follow)
+ if (arg_after_cursor && r < 2) {
/* We couldn't find the next entry after the cursor. */
- arg_lines = 0;
+ if (arg_follow)
+ need_seek = true;
+ else
+ arg_lines = 0;
+ }
} else if (arg_since_set && !arg_reverse) {
r = sd_journal_seek_realtime_usec(j, arg_since);
if (r < 0) {
- log_error("Failed to seek to date: %s", strerror(-r));
+ log_error_errno(r, "Failed to seek to date: %m");
return EXIT_FAILURE;
}
r = sd_journal_next(j);
} else if (arg_until_set && arg_reverse) {
r = sd_journal_seek_realtime_usec(j, arg_until);
if (r < 0) {
- log_error("Failed to seek to date: %s", strerror(-r));
+ log_error_errno(r, "Failed to seek to date: %m");
return EXIT_FAILURE;
}
r = sd_journal_previous(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));
+ log_error_errno(r, "Failed to seek to tail: %m");
return EXIT_FAILURE;
}
} else if (arg_reverse) {
r = sd_journal_seek_tail(j);
if (r < 0) {
- log_error("Failed to seek to tail: %s", strerror(-r));
+ log_error_errno(r, "Failed to seek to tail: %m");
return EXIT_FAILURE;
}
} else {
r = sd_journal_seek_head(j);
if (r < 0) {
- log_error("Failed to seek to head: %s", strerror(-r));
+ log_error_errno(r, "Failed to seek to head: %m");
return EXIT_FAILURE;
}
}
if (r < 0) {
- log_error("Failed to iterate through journal: %s", strerror(-r));
+ log_error_errno(r, "Failed to iterate through journal: %m");
return EXIT_FAILURE;
}
r = sd_journal_get_cutoff_realtime_usec(j, &start, &end);
if (r < 0) {
- log_error("Failed to get cutoff: %s", strerror(-r));
+ log_error_errno(r, "Failed to get cutoff: %m");
goto finish;
}
if (r > 0) {
if (arg_follow)
printf("-- Logs begin at %s. --\n",
- format_timestamp(start_buf, sizeof(start_buf), start));
+ format_timestamp_maybe_utc(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));
+ format_timestamp_maybe_utc(start_buf, sizeof(start_buf), start),
+ format_timestamp_maybe_utc(end_buf, sizeof(end_buf), end));
}
}
else
r = sd_journal_previous(j);
if (r < 0) {
- log_error("Failed to iterate through journal: %s", strerror(-r));
+ log_error_errno(r, "Failed to iterate through journal: %m");
goto finish;
}
if (r == 0)
r = sd_journal_get_realtime_usec(j, &usec);
if (r < 0) {
- log_error("Failed to determine timestamp: %s", strerror(-r));
+ log_error_errno(r, "Failed to determine timestamp: %m");
goto finish;
}
if (usec > arg_until)
r = sd_journal_get_realtime_usec(j, &usec);
if (r < 0) {
- log_error("Failed to determine timestamp: %s", strerror(-r));
+ log_error_errno(r, "Failed to determine timestamp: %m");
goto finish;
}
if (usec < arg_since)
goto finish;
}
- if (!arg_merge) {
+ if (!arg_merge && !arg_quiet) {
sd_id128_t boot_id;
r = sd_journal_get_monotonic_usec(j, NULL, &boot_id);
arg_all * OUTPUT_SHOW_ALL |
arg_full * OUTPUT_FULL_WIDTH |
on_tty() * OUTPUT_COLOR |
- arg_catalog * OUTPUT_CATALOG;
+ arg_catalog * OUTPUT_CATALOG |
+ arg_utc * OUTPUT_UTC;
r = output_journal(stdout, j, arg_output, 0, flags, &ellipsized);
need_seek = true;
r = sd_journal_get_cursor(j, &cursor);
if (r < 0 && r != -EADDRNOTAVAIL)
- log_error("Failed to get cursor: %s", strerror(-r));
+ log_error_errno(r, "Failed to get cursor: %m");
else if (r >= 0)
printf("-- cursor: %s\n", cursor);
}
r = sd_journal_wait(j, (uint64_t) -1);
if (r < 0) {
- log_error("Couldn't wait for journal event: %s", strerror(-r));
+ log_error_errno(r, "Couldn't wait for journal event: %m");
goto finish;
}
~ianmdlvl / elogind.git / blobdiff