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-rw-r--r--src/journal/journalctl.c1816
1 files changed, 143 insertions, 1673 deletions
diff --git a/src/journal/journalctl.c b/src/journal/journalctl.c
index 45ecc96..45173a6 100644
--- a/src/journal/journalctl.c
+++ b/src/journal/journalctl.c
@@ -1,85 +1,29 @@
/* SPDX-License-Identifier: LGPL-2.1-or-later */
-#include <errno.h>
-#include <fcntl.h>
-#include <fnmatch.h>
#include <getopt.h>
-#include <linux/fs.h>
-#include <signal.h>
-#include <stddef.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <sys/inotify.h>
-#include <sys/stat.h>
-#include <unistd.h>
-
-#include "sd-bus.h"
-#include "sd-device.h"
+
#include "sd-journal.h"
-#include "acl-util.h"
-#include "alloc-util.h"
#include "build.h"
-#include "bus-error.h"
-#include "bus-locator.h"
-#include "bus-util.h"
-#include "catalog.h"
-#include "chase.h"
-#include "chattr-util.h"
-#include "constants.h"
-#include "devnum-util.h"
-#include "dissect-image.h"
-#include "fd-util.h"
-#include "fileio.h"
-#include "format-table.h"
-#include "format-util.h"
-#include "fs-util.h"
-#include "fsprg.h"
#include "glob-util.h"
-#include "hostname-util.h"
#include "id128-print.h"
-#include "io-util.h"
-#include "journal-def.h"
-#include "journal-internal.h"
-#include "journal-util.h"
-#include "journal-vacuum.h"
-#include "journal-verify.h"
+#include "journalctl.h"
+#include "journalctl-authenticate.h"
+#include "journalctl-catalog.h"
+#include "journalctl-misc.h"
+#include "journalctl-show.h"
+#include "journalctl-varlink.h"
#include "locale-util.h"
-#include "log.h"
-#include "logs-show.h"
#include "main-func.h"
-#include "memory-util.h"
-#include "memstream-util.h"
-#include "missing_sched.h"
-#include "mkdir.h"
#include "mount-util.h"
#include "mountpoint-util.h"
-#include "nulstr-util.h"
-#include "pager.h"
#include "parse-argument.h"
-#include "parse-util.h"
-#include "path-util.h"
-#include "pcre2-util.h"
#include "pretty-print.h"
-#include "qrcode-util.h"
-#include "random-util.h"
-#include "rlimit-util.h"
-#include "set.h"
-#include "sigbus.h"
-#include "signal-util.h"
#include "static-destruct.h"
-#include "stdio-util.h"
#include "string-table.h"
-#include "strv.h"
#include "syslog-util.h"
-#include "terminal-util.h"
-#include "tmpfile-util.h"
-#include "unit-name.h"
-#include "user-util.h"
-#include "varlink.h"
#define DEFAULT_FSS_INTERVAL_USEC (15*USEC_PER_MINUTE)
-#define PROCESS_INOTIFY_INTERVAL 1024 /* Every 1,024 messages processed */
enum {
/* Special values for arg_lines */
@@ -87,65 +31,71 @@ enum {
ARG_LINES_ALL = -1,
};
-static OutputMode arg_output = OUTPUT_SHORT;
-static JsonFormatFlags arg_json_format_flags = JSON_FORMAT_OFF;
-static bool arg_utc = false;
-static bool arg_follow = false;
-static bool arg_full = true;
-static bool arg_all = false;
-static PagerFlags arg_pager_flags = 0;
-static int arg_lines = ARG_LINES_DEFAULT;
-static bool arg_lines_oldest = false;
-static bool arg_no_tail = false;
-static bool arg_truncate_newline = false;
-static bool arg_quiet = false;
-static bool arg_merge = false;
-static bool arg_boot = false;
-static sd_id128_t arg_boot_id = {};
-static int arg_boot_offset = 0;
-static bool arg_dmesg = false;
-static bool arg_no_hostname = false;
-static const char *arg_cursor = NULL;
-static const char *arg_cursor_file = NULL;
-static const char *arg_after_cursor = NULL;
-static bool arg_show_cursor = false;
-static const char *arg_directory = NULL;
-static char **arg_file = NULL;
-static bool arg_file_stdin = false;
-static int arg_priorities = 0xFF;
-static Set *arg_facilities = NULL;
-static char *arg_verify_key = NULL;
+JournalctlAction arg_action = ACTION_SHOW;
+OutputMode arg_output = OUTPUT_SHORT;
+JsonFormatFlags arg_json_format_flags = JSON_FORMAT_OFF;
+PagerFlags arg_pager_flags = 0;
+bool arg_utc = false;
+bool arg_follow = false;
+bool arg_full = true;
+bool arg_all = false;
+int arg_lines = ARG_LINES_DEFAULT;
+bool arg_lines_oldest = false;
+bool arg_no_tail = false;
+bool arg_truncate_newline = false;
+bool arg_quiet = false;
+bool arg_merge = false;
+bool arg_boot = false;
+sd_id128_t arg_boot_id = {};
+int arg_boot_offset = 0;
+bool arg_dmesg = false;
+bool arg_no_hostname = false;
+const char *arg_cursor = NULL;
+const char *arg_cursor_file = NULL;
+const char *arg_after_cursor = NULL;
+bool arg_show_cursor = false;
+const char *arg_directory = NULL;
+char **arg_file = NULL;
+bool arg_file_stdin = false;
+int arg_priorities = 0;
+Set *arg_facilities = NULL;
+char *arg_verify_key = NULL;
#if HAVE_GCRYPT
-static usec_t arg_interval = DEFAULT_FSS_INTERVAL_USEC;
-static bool arg_force = false;
+usec_t arg_interval = DEFAULT_FSS_INTERVAL_USEC;
+bool arg_force = false;
#endif
-static usec_t arg_since = 0, arg_until = 0;
-static bool arg_since_set = false, arg_until_set = false;
-static char **arg_syslog_identifier = NULL;
-static char **arg_system_units = NULL;
-static char **arg_user_units = NULL;
-static const char *arg_field = NULL;
-static bool arg_catalog = false;
-static bool arg_reverse = false;
-static int arg_journal_type = 0;
-static int arg_namespace_flags = 0;
-static char *arg_root = NULL;
-static char *arg_image = NULL;
-static const char *arg_machine = NULL;
-static const char *arg_namespace = NULL;
-static uint64_t arg_vacuum_size = 0;
-static uint64_t arg_vacuum_n_files = 0;
-static usec_t arg_vacuum_time = 0;
-static Set *arg_output_fields = NULL;
-static const char *arg_pattern = NULL;
-static pcre2_code *arg_compiled_pattern = NULL;
-static PatternCompileCase arg_case = PATTERN_COMPILE_CASE_AUTO;
-ImagePolicy *arg_image_policy = NULL;
+usec_t arg_since = 0;
+usec_t arg_until = 0;
+bool arg_since_set = false;
+bool arg_until_set = false;
+char **arg_syslog_identifier = NULL;
+char **arg_exclude_identifier = NULL;
+char **arg_system_units = NULL;
+char **arg_user_units = NULL;
+const char *arg_field = NULL;
+bool arg_catalog = false;
+bool arg_reverse = false;
+int arg_journal_type = 0;
+int arg_journal_additional_open_flags = 0;
+int arg_namespace_flags = 0;
+char *arg_root = NULL;
+char *arg_image = NULL;
+const char *arg_machine = NULL;
+const char *arg_namespace = NULL;
+uint64_t arg_vacuum_size = 0;
+uint64_t arg_vacuum_n_files = 0;
+usec_t arg_vacuum_time = 0;
+Set *arg_output_fields = NULL;
+const char *arg_pattern = NULL;
+pcre2_code *arg_compiled_pattern = NULL;
+PatternCompileCase arg_case = PATTERN_COMPILE_CASE_AUTO;
+static ImagePolicy *arg_image_policy = NULL;
STATIC_DESTRUCTOR_REGISTER(arg_file, strv_freep);
STATIC_DESTRUCTOR_REGISTER(arg_facilities, set_freep);
STATIC_DESTRUCTOR_REGISTER(arg_verify_key, freep);
STATIC_DESTRUCTOR_REGISTER(arg_syslog_identifier, strv_freep);
+STATIC_DESTRUCTOR_REGISTER(arg_exclude_identifier, strv_freep);
STATIC_DESTRUCTOR_REGISTER(arg_system_units, strv_freep);
STATIC_DESTRUCTOR_REGISTER(arg_user_units, strv_freep);
STATIC_DESTRUCTOR_REGISTER(arg_root, freep);
@@ -154,115 +104,21 @@ STATIC_DESTRUCTOR_REGISTER(arg_output_fields, set_freep);
STATIC_DESTRUCTOR_REGISTER(arg_compiled_pattern, pattern_freep);
STATIC_DESTRUCTOR_REGISTER(arg_image_policy, image_policy_freep);
-static enum {
- ACTION_SHOW,
- ACTION_NEW_ID128,
- ACTION_PRINT_HEADER,
- ACTION_SETUP_KEYS,
- ACTION_VERIFY,
- ACTION_DISK_USAGE,
- ACTION_LIST_CATALOG,
- ACTION_DUMP_CATALOG,
- ACTION_UPDATE_CATALOG,
- ACTION_LIST_BOOTS,
- ACTION_FLUSH,
- ACTION_RELINQUISH_VAR,
- ACTION_SYNC,
- ACTION_ROTATE,
- ACTION_VACUUM,
- ACTION_ROTATE_AND_VACUUM,
- ACTION_LIST_FIELDS,
- ACTION_LIST_FIELD_NAMES,
-} arg_action = ACTION_SHOW;
-
-static int add_matches_for_device(sd_journal *j, const char *devpath) {
- _cleanup_(sd_device_unrefp) sd_device *device = NULL;
- sd_device *d = NULL;
- struct stat st;
- int r;
-
- assert(j);
- assert(devpath);
-
- if (!path_startswith(devpath, "/dev/"))
- return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
- "Devpath does not start with /dev/");
-
- if (stat(devpath, &st) < 0)
- return log_error_errno(errno, "Couldn't stat file: %m");
-
- r = sd_device_new_from_stat_rdev(&device, &st);
- if (r < 0)
- return log_error_errno(r, "Failed to get device from devnum " DEVNUM_FORMAT_STR ": %m", DEVNUM_FORMAT_VAL(st.st_rdev));
-
- for (d = device; d; ) {
- _cleanup_free_ char *match = NULL;
- const char *subsys, *sysname, *devnode;
- sd_device *parent;
-
- r = sd_device_get_subsystem(d, &subsys);
- if (r < 0)
- goto get_parent;
-
- r = sd_device_get_sysname(d, &sysname);
- if (r < 0)
- goto get_parent;
-
- match = strjoin("_KERNEL_DEVICE=+", subsys, ":", sysname);
- if (!match)
- return log_oom();
-
- r = sd_journal_add_match(j, match, 0);
- if (r < 0)
- return log_error_errno(r, "Failed to add match: %m");
-
- if (sd_device_get_devname(d, &devnode) >= 0) {
- _cleanup_free_ char *match1 = NULL;
-
- r = stat(devnode, &st);
- if (r < 0)
- return log_error_errno(r, "Failed to stat() device node \"%s\": %m", devnode);
-
- r = asprintf(&match1, "_KERNEL_DEVICE=%c" DEVNUM_FORMAT_STR, S_ISBLK(st.st_mode) ? 'b' : 'c', DEVNUM_FORMAT_VAL(st.st_rdev));
- if (r < 0)
- return log_oom();
-
- r = sd_journal_add_match(j, match1, 0);
- if (r < 0)
- return log_error_errno(r, "Failed to add match: %m");
- }
-
-get_parent:
- if (sd_device_get_parent(d, &parent) < 0)
- break;
-
- d = parent;
- }
-
- r = add_match_this_boot(j, arg_machine);
- if (r < 0)
- return log_error_errno(r, "Failed to add match for the current boot: %m");
-
- return 0;
-}
-
-static char *format_timestamp_maybe_utc(char *buf, size_t l, usec_t t) {
-
- if (arg_utc)
- return format_timestamp_style(buf, l, t, TIMESTAMP_UTC);
-
- return format_timestamp(buf, l, t);
-}
-
-static int parse_boot_descriptor(const char *x, sd_id128_t *boot_id, int *offset) {
+static int parse_id_descriptor(const char *x, sd_id128_t *ret_id, int *ret_offset) {
sd_id128_t id = SD_ID128_NULL;
int off = 0, r;
+ assert(x);
+ assert(ret_id);
+ assert(ret_offset);
+
if (streq(x, "all")) {
- *boot_id = SD_ID128_NULL;
- *offset = 0;
+ *ret_id = SD_ID128_NULL;
+ *ret_offset = 0;
return 0;
- } else if (strlen(x) >= SD_ID128_STRING_MAX - 1) {
+ }
+
+ if (strlen(x) >= SD_ID128_STRING_MAX - 1) {
char *t;
t = strndupa_safe(x, SD_ID128_STRING_MAX - 1);
@@ -284,12 +140,8 @@ static int parse_boot_descriptor(const char *x, sd_id128_t *boot_id, int *offset
return r;
}
- if (boot_id)
- *boot_id = id;
-
- if (offset)
- *offset = off;
-
+ *ret_id = id;
+ *ret_offset = off;
return 1;
}
@@ -328,10 +180,6 @@ default_noarg:
return 0;
}
-static bool arg_lines_needs_seek_end(void) {
- return arg_lines >= 0 && !arg_lines_oldest;
-}
-
static int help_facilities(void) {
if (!arg_quiet)
puts("Available facilities:");
@@ -339,7 +187,7 @@ static int help_facilities(void) {
for (int i = 0; i < LOG_NFACILITIES; i++) {
_cleanup_free_ char *t = NULL;
- if (log_facility_unshifted_to_string_alloc(i, &t))
+ if (log_facility_unshifted_to_string_alloc(i, &t) < 0)
return log_oom();
puts(t);
}
@@ -365,7 +213,7 @@ static int help(void) {
" -M --machine=CONTAINER Operate on local container\n"
" -m --merge Show entries from all available journals\n"
" -D --directory=PATH Show journal files from directory\n"
- " --file=PATH Show journal file\n"
+ " -i --file=PATH Show journal file\n"
" --root=PATH Operate on an alternate filesystem root\n"
" --image=PATH Operate on disk image as filesystem root\n"
" --image-policy=POLICY Specify disk image dissection policy\n"
@@ -380,6 +228,8 @@ static int help(void) {
" -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"
+ " -T --exclude-identifier=STRING\n"
+ " Hide entries with the specified syslog identifier\n"
" -p --priority=RANGE Show entries within the specified priority range\n"
" --facility=FACILITY... Show entries with the specified facilities\n"
" -g --grep=PATTERN Show entries with MESSAGE matching PATTERN\n"
@@ -417,6 +267,7 @@ static int help(void) {
" -N --fields List all field names currently used\n"
" -F --field=FIELD List all values that a specified field takes\n"
" --list-boots Show terse information about recorded boots\n"
+ " --list-namespaces Show list of journal namespaces\n"
" --disk-usage Show total disk usage of all journal files\n"
" --vacuum-size=BYTES Reduce disk usage below specified size\n"
" --vacuum-files=INT Leave only the specified number of journal files\n"
@@ -461,7 +312,6 @@ static int parse_argv(int argc, char *argv[]) {
ARG_HEADER,
ARG_FACILITY,
ARG_SETUP_KEYS,
- ARG_FILE,
ARG_INTERVAL,
ARG_VERIFY,
ARG_VERIFY_KEY,
@@ -488,6 +338,7 @@ static int parse_argv(int argc, char *argv[]) {
ARG_NO_HOSTNAME,
ARG_OUTPUT_FIELDS,
ARG_NAMESPACE,
+ ARG_LIST_NAMESPACES,
};
static const struct option options[] = {
@@ -514,12 +365,13 @@ static int parse_argv(int argc, char *argv[]) {
{ "system", no_argument, NULL, ARG_SYSTEM },
{ "user", no_argument, NULL, ARG_USER },
{ "directory", required_argument, NULL, 'D' },
- { "file", required_argument, NULL, ARG_FILE },
+ { "file", required_argument, NULL, 'i' },
{ "root", required_argument, NULL, ARG_ROOT },
{ "image", required_argument, NULL, ARG_IMAGE },
{ "image-policy", required_argument, NULL, ARG_IMAGE_POLICY },
{ "header", no_argument, NULL, ARG_HEADER },
{ "identifier", required_argument, NULL, 't' },
+ { "exclude-identifier", required_argument, NULL, 'T' },
{ "priority", required_argument, NULL, 'p' },
{ "facility", required_argument, NULL, ARG_FACILITY },
{ "grep", required_argument, NULL, 'g' },
@@ -557,6 +409,7 @@ static int parse_argv(int argc, char *argv[]) {
{ "no-hostname", no_argument, NULL, ARG_NO_HOSTNAME },
{ "output-fields", required_argument, NULL, ARG_OUTPUT_FIELDS },
{ "namespace", required_argument, NULL, ARG_NAMESPACE },
+ { "list-namespaces", no_argument, NULL, ARG_LIST_NAMESPACES },
{}
};
@@ -565,7 +418,7 @@ static int parse_argv(int argc, char *argv[]) {
assert(argc >= 0);
assert(argv);
- while ((c = getopt_long(argc, argv, "hefo:aln::qmb::kD:p:g:c:S:U:t:u:NF:xrM:", options, NULL)) >= 0)
+ while ((c = getopt_long(argc, argv, "hefo:aln::qmb::kD:p:g:c:S:U:t:T:u:NF:xrM:i:", options, NULL)) >= 0)
switch (c) {
@@ -666,19 +519,16 @@ static int parse_argv(int argc, char *argv[]) {
arg_boot_offset = 0;
if (optarg) {
- r = parse_boot_descriptor(optarg, &arg_boot_id, &arg_boot_offset);
+ r = parse_id_descriptor(optarg, &arg_boot_id, &arg_boot_offset);
if (r < 0)
return log_error_errno(r, "Failed to parse boot descriptor '%s'", optarg);
arg_boot = r;
- /* Hmm, no argument? Maybe the next
- * word on the command line is
- * supposed to be the argument? Let's
- * see if there is one and is parsable
- * as a boot descriptor... */
} else if (optind < argc) {
- r = parse_boot_descriptor(argv[optind], &arg_boot_id, &arg_boot_offset);
+ /* Hmm, no argument? Maybe the next word on the command line is supposed to be the
+ * argument? Let's see if there is one and is parsable as a boot descriptor... */
+ r = parse_id_descriptor(argv[optind], &arg_boot_id, &arg_boot_offset);
if (r >= 0) {
arg_boot = r;
optind++;
@@ -723,11 +573,15 @@ static int parse_argv(int argc, char *argv[]) {
break;
+ case ARG_LIST_NAMESPACES:
+ arg_action = ACTION_LIST_NAMESPACES;
+ break;
+
case 'D':
arg_directory = optarg;
break;
- case ARG_FILE:
+ case 'i':
if (streq(optarg, "-"))
/* An undocumented feature: we can read journal files from STDIN. We don't document
* this though, since after all we only support this for mmap-able, seekable files, and
@@ -959,6 +813,12 @@ static int parse_argv(int argc, char *argv[]) {
return log_oom();
break;
+ case 'T':
+ r = strv_extend(&arg_exclude_identifier, optarg);
+ if (r < 0)
+ return log_oom();
+ break;
+
case 'u':
r = strv_extend(&arg_system_units, optarg);
if (r < 0)
@@ -1081,7 +941,7 @@ static int parse_argv(int argc, char *argv[]) {
arg_boot_offset = 0;
}
- if (!!arg_directory + !!arg_file + !!arg_machine + !!arg_root + !!arg_image > 1)
+ if (!!arg_directory + !!arg_file + arg_file_stdin + !!arg_machine + !!arg_root + !!arg_image > 1)
return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
"Please specify at most one of -D/--directory=, --file=, -M/--machine=, --root=, --image=.");
@@ -1089,15 +949,15 @@ static int parse_argv(int argc, char *argv[]) {
return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
"--since= must be before --until=.");
- if (!!arg_cursor + !!arg_after_cursor + !!arg_since_set > 1)
+ if (!!arg_cursor + !!arg_after_cursor + !!arg_cursor_file + !!arg_since_set > 1)
return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
- "Please specify only one of --since=, --cursor=, and --after-cursor=.");
+ "Please specify only one of --since=, --cursor=, --cursor-file=, and --after-cursor=.");
if (arg_follow && arg_reverse)
return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
"Please specify either --reverse or --follow, not both.");
- if (arg_lines >= 0 && arg_lines_oldest && (arg_reverse || arg_follow))
+ if (arg_action == ACTION_SHOW && arg_lines >= 0 && arg_lines_oldest && (arg_reverse || arg_follow))
return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
"--lines=+N is unsupported when --reverse or --follow is specified.");
@@ -1135,1056 +995,26 @@ static int parse_argv(int argc, char *argv[]) {
arg_reverse = true;
}
- return 1;
-}
-
-static int add_matches(sd_journal *j, char **args) {
- bool have_term = false;
-
- assert(j);
-
- STRV_FOREACH(i, args) {
- int r;
-
- if (streq(*i, "+")) {
- if (!have_term)
- break;
- r = sd_journal_add_disjunction(j);
- have_term = false;
-
- } else if (path_is_absolute(*i)) {
- _cleanup_free_ char *p = NULL, *t = NULL, *t2 = NULL, *interpreter = NULL;
- struct stat st;
-
- r = chase(*i, NULL, CHASE_TRAIL_SLASH, &p, NULL);
- if (r < 0)
- return log_error_errno(r, "Couldn't canonicalize path: %m");
-
- if (lstat(p, &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(p, &interpreter) > 0) {
- _cleanup_free_ char *comm = NULL;
-
- r = path_extract_filename(p, &comm);
- if (r < 0)
- return log_error_errno(r, "Failed to extract filename of '%s': %m", p);
-
- t = strjoin("_COMM=", strshorten(comm, TASK_COMM_LEN-1));
- if (!t)
- return log_oom();
-
- /* Append _EXE only if the interpreter is not a link.
- Otherwise, it might be outdated often. */
- if (lstat(interpreter, &st) == 0 && !S_ISLNK(st.st_mode)) {
- t2 = strjoin("_EXE=", interpreter);
- if (!t2)
- return log_oom();
- }
- } else {
- t = strjoin("_EXE=", p);
- if (!t)
- return log_oom();
- }
-
- r = sd_journal_add_match(j, t, 0);
-
- if (r >=0 && t2)
- r = sd_journal_add_match(j, t2, 0);
-
- } else if (S_ISCHR(st.st_mode) || S_ISBLK(st.st_mode)) {
- r = add_matches_for_device(j, p);
- if (r < 0)
- return r;
- } else
- return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
- "File is neither a device node, nor regular file, nor executable: %s",
- *i);
-
- have_term = true;
- } else {
- r = sd_journal_add_match(j, *i, 0);
- have_term = true;
- }
-
- if (r < 0)
- return log_error_errno(r, "Failed to add match '%s': %m", *i);
- }
-
- if (!strv_isempty(args) && !have_term)
- return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
- "\"+\" can only be used between terms");
-
- return 0;
-}
-
-static int list_boots(sd_journal *j) {
- _cleanup_(table_unrefp) Table *table = NULL;
- _cleanup_free_ BootId *boots = NULL;
- size_t n_boots;
- int r;
-
- assert(j);
-
- r = journal_get_boots(j, &boots, &n_boots);
- if (r < 0)
- return log_error_errno(r, "Failed to determine boots: %m");
- if (r == 0)
- return 0;
-
- table = table_new("idx", "boot id", "first entry", "last entry");
- if (!table)
- return log_oom();
-
- if (arg_full)
- table_set_width(table, 0);
-
- r = table_set_json_field_name(table, 0, "index");
- if (r < 0)
- return log_error_errno(r, "Failed to set JSON field name of column 0: %m");
-
- (void) table_set_sort(table, (size_t) 0);
- (void) table_set_reverse(table, 0, arg_reverse);
-
- FOREACH_ARRAY(i, boots, n_boots) {
- r = table_add_many(table,
- TABLE_INT, (int)(i - boots) - (int) n_boots + 1,
- TABLE_SET_ALIGN_PERCENT, 100,
- TABLE_ID128, i->id,
- TABLE_TIMESTAMP, i->first_usec,
- TABLE_TIMESTAMP, i->last_usec);
- if (r < 0)
- return table_log_add_error(r);
- }
-
- r = table_print_with_pager(table, arg_json_format_flags, arg_pager_flags, !arg_quiet);
- if (r < 0)
- return table_log_print_error(r);
-
- return 0;
-}
-
-static int add_boot(sd_journal *j) {
- int r;
-
- assert(j);
-
- if (!arg_boot)
- return 0;
-
- /* Take a shortcut and use the current boot_id, which we can do very quickly.
- * We can do this only when we logs are coming from the current machine,
- * so take the slow path if log location is specified. */
- if (arg_boot_offset == 0 && sd_id128_is_null(arg_boot_id) &&
- !arg_directory && !arg_file && !arg_root)
- return add_match_this_boot(j, arg_machine);
-
- if (sd_id128_is_null(arg_boot_id)) {
- r = journal_find_boot_by_offset(j, arg_boot_offset, &arg_boot_id);
- if (r < 0)
- return log_error_errno(r, "Failed to find journal entry from the specified boot offset (%+i): %m",
- arg_boot_offset);
- if (r == 0)
- return log_error_errno(SYNTHETIC_ERRNO(ENODATA),
- "No journal boot entry found from the specified boot offset (%+i).",
- arg_boot_offset);
- } else {
- r = journal_find_boot_by_id(j, arg_boot_id);
- if (r < 0)
- return log_error_errno(r, "Failed to find journal entry from the specified boot ID (%s): %m",
- SD_ID128_TO_STRING(arg_boot_id));
- if (r == 0)
- return log_error_errno(SYNTHETIC_ERRNO(ENODATA),
- "No journal boot entry found from the specified boot ID (%s).",
- SD_ID128_TO_STRING(arg_boot_id));
- }
-
- r = add_match_boot_id(j, arg_boot_id);
- if (r < 0)
- return log_error_errno(r, "Failed to add match: %m");
-
- r = sd_journal_add_conjunction(j);
- if (r < 0)
- return log_error_errno(r, "Failed to add conjunction: %m");
-
- return 0;
-}
-
-static int add_dmesg(sd_journal *j) {
- int r;
- assert(j);
-
- if (!arg_dmesg)
- return 0;
-
- r = sd_journal_add_match(j, "_TRANSPORT=kernel",
- STRLEN("_TRANSPORT=kernel"));
- if (r < 0)
- return log_error_errno(r, "Failed to add match: %m");
-
- r = sd_journal_add_conjunction(j);
- if (r < 0)
- return log_error_errno(r, "Failed to add conjunction: %m");
-
- return 0;
-}
-
-static int get_possible_units(
- sd_journal *j,
- const char *fields,
- char **patterns,
- Set **units) {
-
- _cleanup_set_free_free_ Set *found = NULL;
- int r;
-
- found = set_new(&string_hash_ops);
- if (!found)
- return -ENOMEM;
-
- NULSTR_FOREACH(field, fields) {
- const void *data;
- size_t size;
-
- r = sd_journal_query_unique(j, field);
- if (r < 0)
- return r;
-
- SD_JOURNAL_FOREACH_UNIQUE(j, data, size) {
- char *eq;
- size_t prefix;
- _cleanup_free_ char *u = NULL;
-
- eq = memchr(data, '=', size);
- if (eq)
- prefix = eq - (char*) data + 1;
- else
- prefix = 0;
-
- u = strndup((char*) data + prefix, size - prefix);
- if (!u)
- return -ENOMEM;
-
- STRV_FOREACH(pattern, patterns)
- if (fnmatch(*pattern, u, FNM_NOESCAPE) == 0) {
- log_debug("Matched %s with pattern %s=%s", u, field, *pattern);
-
- r = set_consume(found, u);
- u = NULL;
- if (r < 0 && r != -EEXIST)
- return r;
-
- break;
- }
- }
- }
-
- *units = TAKE_PTR(found);
-
- return 0;
-}
-
-/* This list is supposed to return the superset of unit names
- * possibly matched by rules added with add_matches_for_unit... */
-#define SYSTEM_UNITS \
- "_SYSTEMD_UNIT\0" \
- "COREDUMP_UNIT\0" \
- "UNIT\0" \
- "OBJECT_SYSTEMD_UNIT\0" \
- "_SYSTEMD_SLICE\0"
-
-/* ... and add_matches_for_user_unit */
-#define USER_UNITS \
- "_SYSTEMD_USER_UNIT\0" \
- "USER_UNIT\0" \
- "COREDUMP_USER_UNIT\0" \
- "OBJECT_SYSTEMD_USER_UNIT\0" \
- "_SYSTEMD_USER_SLICE\0"
-
-static int add_units(sd_journal *j) {
- _cleanup_strv_free_ char **patterns = NULL;
- int r, count = 0;
-
- assert(j);
-
- STRV_FOREACH(i, arg_system_units) {
- _cleanup_free_ char *u = NULL;
-
- r = unit_name_mangle(*i, UNIT_NAME_MANGLE_GLOB | (arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN), &u);
- if (r < 0)
- return r;
-
- if (string_is_glob(u)) {
- r = strv_push(&patterns, u);
- if (r < 0)
- return r;
- u = NULL;
- } else {
- r = add_matches_for_unit(j, u);
- if (r < 0)
- return r;
- r = sd_journal_add_disjunction(j);
- if (r < 0)
- return r;
- count++;
- }
- }
-
- if (!strv_isempty(patterns)) {
- _cleanup_set_free_free_ Set *units = NULL;
- char *u;
-
- r = get_possible_units(j, SYSTEM_UNITS, patterns, &units);
- if (r < 0)
- return r;
-
- SET_FOREACH(u, units) {
- r = add_matches_for_unit(j, u);
- if (r < 0)
- return r;
- r = sd_journal_add_disjunction(j);
- if (r < 0)
- return r;
- count++;
- }
- }
-
- patterns = strv_free(patterns);
-
- STRV_FOREACH(i, arg_user_units) {
- _cleanup_free_ char *u = NULL;
-
- r = unit_name_mangle(*i, UNIT_NAME_MANGLE_GLOB | (arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN), &u);
- if (r < 0)
- return r;
-
- if (string_is_glob(u)) {
- r = strv_push(&patterns, u);
- if (r < 0)
- return r;
- u = NULL;
- } else {
- r = add_matches_for_user_unit(j, u, getuid());
- if (r < 0)
- return r;
- r = sd_journal_add_disjunction(j);
- if (r < 0)
- return r;
- count++;
- }
- }
-
- if (!strv_isempty(patterns)) {
- _cleanup_set_free_free_ Set *units = NULL;
- char *u;
-
- r = get_possible_units(j, USER_UNITS, patterns, &units);
- if (r < 0)
- return r;
-
- SET_FOREACH(u, units) {
- r = add_matches_for_user_unit(j, u, getuid());
- if (r < 0)
- return r;
- r = sd_journal_add_disjunction(j);
- if (r < 0)
- return r;
- count++;
- }
- }
-
- /* Complain if the user request matches but nothing whatsoever was
- * found, since otherwise everything would be matched. */
- if (!(strv_isempty(arg_system_units) && strv_isempty(arg_user_units)) && count == 0)
- return -ENODATA;
-
- r = sd_journal_add_conjunction(j);
- if (r < 0)
- 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)
- return log_error_errno(r, "Failed to add match: %m");
- }
-
- r = sd_journal_add_conjunction(j);
- if (r < 0)
- return log_error_errno(r, "Failed to add conjunction: %m");
-
- return 0;
-}
-
-static int add_facilities(sd_journal *j) {
- void *p;
- int r;
-
- SET_FOREACH(p, arg_facilities) {
- char match[STRLEN("SYSLOG_FACILITY=") + DECIMAL_STR_MAX(int)];
-
- xsprintf(match, "SYSLOG_FACILITY=%d", PTR_TO_INT(p));
-
- r = sd_journal_add_match(j, match, strlen(match));
- if (r < 0)
- return log_error_errno(r, "Failed to add match: %m");
- }
-
- return 0;
-}
-
-static int add_syslog_identifier(sd_journal *j) {
- int r;
-
- assert(j);
-
- STRV_FOREACH(i, arg_syslog_identifier) {
- _cleanup_free_ char *u = NULL;
-
- u = strjoin("SYSLOG_IDENTIFIER=", *i);
- if (!u)
- return -ENOMEM;
- r = sd_journal_add_match(j, u, 0);
- if (r < 0)
- return r;
- r = sd_journal_add_disjunction(j);
- if (r < 0)
- return r;
- }
-
- r = sd_journal_add_conjunction(j);
- if (r < 0)
- return r;
-
- return 0;
-}
-
-#if HAVE_GCRYPT
-static int format_journal_url(
- const void *seed,
- size_t seed_size,
- uint64_t start,
- uint64_t interval,
- const char *hn,
- sd_id128_t machine,
- bool full,
- char **ret_url) {
-
- _cleanup_(memstream_done) MemStream m = {};
- FILE *f;
-
- assert(seed);
- assert(seed_size > 0);
-
- f = memstream_init(&m);
- if (!f)
- return -ENOMEM;
-
- if (full)
- fputs("fss://", f);
-
- for (size_t i = 0; i < seed_size; i++) {
- if (i > 0 && i % 3 == 0)
- fputc('-', f);
- fprintf(f, "%02x", ((uint8_t*) seed)[i]);
- }
-
- fprintf(f, "/%"PRIx64"-%"PRIx64, start, interval);
-
- if (full) {
- fprintf(f, "?machine=" SD_ID128_FORMAT_STR, SD_ID128_FORMAT_VAL(machine));
- if (hn)
- fprintf(f, ";hostname=%s", hn);
- }
-
- return memstream_finalize(&m, ret_url, NULL);
-}
-#endif
-
-static int setup_keys(void) {
-#if HAVE_GCRYPT
- size_t mpk_size, seed_size, state_size;
- _cleanup_(unlink_and_freep) char *k = NULL;
- _cleanup_free_ char *p = NULL;
- uint8_t *mpk, *seed, *state;
- _cleanup_close_ int fd = -EBADF;
- sd_id128_t machine, boot;
- struct stat st;
- uint64_t n;
- int r;
-
- r = stat("/var/log/journal", &st);
- if (r < 0 && !IN_SET(errno, ENOENT, 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.",
- "/var/log/journal");
- return r < 0 ? -errno : -ENOTDIR;
- }
-
- r = sd_id128_get_machine(&machine);
- if (r < 0)
- return log_error_errno(r, "Failed to get machine ID: %m");
-
- r = sd_id128_get_boot(&boot);
- 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)
- return log_oom();
-
- if (arg_force) {
- r = unlink(p);
- if (r < 0 && errno != ENOENT)
- return log_error_errno(errno, "unlink(\"%s\") failed: %m", p);
- } else if (access(p, F_OK) >= 0)
- return log_error_errno(SYNTHETIC_ERRNO(EEXIST),
- "Sealing key file %s exists already. Use --force to recreate.", p);
-
- if (asprintf(&k, "/var/log/journal/" SD_ID128_FORMAT_STR "/fss.tmp.XXXXXX",
- SD_ID128_FORMAT_VAL(machine)) < 0)
- return log_oom();
-
- mpk_size = FSPRG_mskinbytes(FSPRG_RECOMMENDED_SECPAR);
- mpk = alloca_safe(mpk_size);
-
- seed_size = FSPRG_RECOMMENDED_SEEDLEN;
- seed = alloca_safe(seed_size);
-
- state_size = FSPRG_stateinbytes(FSPRG_RECOMMENDED_SECPAR);
- state = alloca_safe(state_size);
-
- log_info("Generating seed...");
- r = crypto_random_bytes(seed, seed_size);
- if (r < 0)
- return log_error_errno(r, "Failed to acquire random seed: %m");
-
- 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;
-
- safe_close(fd);
- fd = mkostemp_safe(k);
- if (fd < 0)
- return log_error_errno(fd, "Failed to open %s: %m", k);
-
- r = chattr_secret(fd, CHATTR_WARN_UNSUPPORTED_FLAGS);
- if (r < 0)
- log_full_errno(ERRNO_IS_NOT_SUPPORTED(r) ? LOG_DEBUG : LOG_WARNING,
- r, "Failed to set file attributes on '%s', ignoring: %m", k);
-
- struct FSSHeader h = {
- .signature = { 'K', 'S', 'H', 'H', 'R', 'H', 'L', 'P' },
- .machine_id = machine,
- .boot_id = boot,
- .header_size = htole64(sizeof(h)),
- .start_usec = htole64(n * arg_interval),
- .interval_usec = htole64(arg_interval),
- .fsprg_secpar = htole16(FSPRG_RECOMMENDED_SECPAR),
- .fsprg_state_size = htole64(state_size),
- };
-
- r = loop_write(fd, &h, sizeof(h));
- if (r < 0)
- return log_error_errno(r, "Failed to write header: %m");
-
- r = loop_write(fd, state, state_size);
- if (r < 0)
- return log_error_errno(r, "Failed to write state: %m");
-
- if (rename(k, p) < 0)
- return log_error_errno(errno, "Failed to link file: %m");
-
- k = mfree(k);
-
- _cleanup_free_ char *hn = NULL, *key = NULL;
-
- r = format_journal_url(seed, seed_size, n, arg_interval, hn, machine, false, &key);
- if (r < 0)
- return r;
-
- if (on_tty()) {
- hn = gethostname_malloc();
- if (hn)
- hostname_cleanup(hn);
-
- fprintf(stderr,
- "\nNew keys have been generated for host %s%s" SD_ID128_FORMAT_STR ".\n"
- "\n"
- "The %ssecret sealing key%s has been written to the following local file.\n"
- "This key file is automatically updated when the sealing key is advanced.\n"
- "It should not be used on multiple hosts.\n"
- "\n"
- "\t%s\n"
- "\n"
- "The sealing key is automatically changed every %s.\n"
- "\n"
- "Please write down the following %ssecret verification key%s. It should be stored\n"
- "in a safe location and should not be saved locally on disk.\n"
- "\n\t%s",
- strempty(hn), hn ? "/" : "",
- SD_ID128_FORMAT_VAL(machine),
- ansi_highlight(), ansi_normal(),
- p,
- FORMAT_TIMESPAN(arg_interval, 0),
- ansi_highlight(), ansi_normal(),
- ansi_highlight_red());
- fflush(stderr);
- }
-
- puts(key);
-
- if (on_tty()) {
- fprintf(stderr, "%s", ansi_normal());
-#if HAVE_QRENCODE
- _cleanup_free_ char *url = NULL;
- r = format_journal_url(seed, seed_size, n, arg_interval, hn, machine, true, &url);
- if (r < 0)
- return r;
-
- (void) print_qrcode(stderr,
- "To transfer the verification key to your phone scan the QR code below",
- url);
-#endif
- }
-
- return 0;
-#else
- return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
- "Forward-secure sealing not available.");
-#endif
-}
-
-static int verify(sd_journal *j, bool verbose) {
- int r = 0;
- JournalFile *f;
-
- assert(j);
-
- log_show_color(true);
-
- ORDERED_HASHMAP_FOREACH(f, j->files) {
- int k;
- usec_t first = 0, validated = 0, last = 0;
-
-#if 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, verbose);
- if (k == -EINVAL)
- /* If the key was invalid give up right-away. */
- return k;
- else if (k < 0)
- r = log_warning_errno(k, "FAIL: %s (%m)", f->path);
- else {
- char a[FORMAT_TIMESTAMP_MAX], b[FORMAT_TIMESTAMP_MAX];
- log_full(verbose ? LOG_INFO : LOG_DEBUG, "PASS: %s", f->path);
-
- if (arg_verify_key && JOURNAL_HEADER_SEALED(f->header)) {
- if (validated > 0) {
- log_full(verbose ? LOG_INFO : LOG_DEBUG,
- "=> Validated from %s to %s, final %s entries not sealed.",
- format_timestamp_maybe_utc(a, sizeof(a), first),
- format_timestamp_maybe_utc(b, sizeof(b), validated),
- FORMAT_TIMESPAN(last > validated ? last - validated : 0, 0));
- } else if (last > 0)
- log_full(verbose ? LOG_INFO : LOG_DEBUG,
- "=> No sealing yet, %s of entries not sealed.",
- FORMAT_TIMESPAN(last - first, 0));
- else
- log_full(verbose ? LOG_INFO : LOG_DEBUG,
- "=> No sealing yet, no entries in file.");
- }
- }
- }
-
- return r;
-}
-
-static int simple_varlink_call(const char *option, const char *method) {
- _cleanup_(varlink_flush_close_unrefp) Varlink *link = NULL;
- const char *error, *fn;
- int r;
-
- if (arg_machine)
- return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP), "%s is not supported in conjunction with --machine=.", option);
-
- fn = arg_namespace ?
- strjoina("/run/systemd/journal.", arg_namespace, "/io.systemd.journal") :
- "/run/systemd/journal/io.systemd.journal";
-
- r = varlink_connect_address(&link, fn);
- if (r < 0)
- return log_error_errno(r, "Failed to connect to %s: %m", fn);
-
- (void) varlink_set_description(link, "journal");
- (void) varlink_set_relative_timeout(link, USEC_INFINITY);
-
- r = varlink_call(link, method, NULL, NULL, &error, NULL);
- if (r < 0)
- return log_error_errno(r, "Failed to execute varlink call: %m");
- if (error)
- return log_error_errno(SYNTHETIC_ERRNO(ENOANO),
- "Failed to execute varlink call: %s", error);
-
- return 0;
-}
-
-static int flush_to_var(void) {
- if (access("/run/systemd/journal/flushed", F_OK) >= 0)
- return 0; /* Already flushed, no need to contact journald */
- if (errno != ENOENT)
- return log_error_errno(errno, "Unable to check for existence of /run/systemd/journal/flushed: %m");
-
- return simple_varlink_call("--flush", "io.systemd.Journal.FlushToVar");
-}
-
-static int relinquish_var(void) {
- return simple_varlink_call("--relinquish-var/--smart-relinquish-var", "io.systemd.Journal.RelinquishVar");
-}
-
-static int rotate(void) {
- return simple_varlink_call("--rotate", "io.systemd.Journal.Rotate");
-}
-
-static int sync_journal(void) {
- return simple_varlink_call("--sync", "io.systemd.Journal.Synchronize");
-}
-
-static int action_list_fields(sd_journal *j) {
- const void *data;
- size_t size;
- int r, n_shown = 0;
-
- assert(arg_field);
-
- r = sd_journal_set_data_threshold(j, 0);
- if (r < 0)
- return log_error_errno(r, "Failed to unset data size threshold: %m");
-
- r = sd_journal_query_unique(j, arg_field);
- if (r < 0)
- return log_error_errno(r, "Failed to query unique data objects: %m");
-
- 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++;
- }
-
- return 0;
-}
-
-static int update_cursor(sd_journal *j) {
- _cleanup_free_ char *cursor = NULL;
- int r;
-
- assert(j);
-
- if (!arg_show_cursor && !arg_cursor_file)
- return 0;
-
- r = sd_journal_get_cursor(j, &cursor);
- if (r == -EADDRNOTAVAIL)
- return 0;
- if (r < 0)
- return log_error_errno(r, "Failed to get cursor: %m");
-
- if (arg_show_cursor)
- printf("-- cursor: %s\n", cursor);
-
- if (arg_cursor_file) {
- r = write_string_file(arg_cursor_file, cursor, WRITE_STRING_FILE_CREATE | WRITE_STRING_FILE_ATOMIC);
- if (r < 0)
- return log_error_errno(r, "Failed to write new cursor to %s: %m", arg_cursor_file);
- }
-
- return 0;
-}
-
-typedef struct Context {
- sd_journal *journal;
- bool has_cursor;
- bool need_seek;
- bool since_seeked;
- bool ellipsized;
- bool previous_boot_id_valid;
- sd_id128_t previous_boot_id;
- sd_id128_t previous_boot_id_output;
- dual_timestamp previous_ts_output;
-} Context;
-
-static int show(Context *c) {
- sd_journal *j;
- int r, n_shown = 0;
-
- assert(c);
-
- j = ASSERT_PTR(c->journal);
-
- while (arg_lines < 0 || n_shown < arg_lines || arg_follow) {
- int flags;
- size_t highlight[2] = {};
-
- if (c->need_seek) {
- r = sd_journal_step_one(j, !arg_reverse);
- if (r < 0)
- return log_error_errno(r, "Failed to iterate through journal: %m");
- if (r == 0)
- break;
- }
-
- if (arg_until_set && !arg_reverse && (arg_lines < 0 || arg_since_set || c->has_cursor)) {
- /* If --lines= is set, we usually rely on the n_shown to tell us when to stop.
- * However, if --since= or one of the cursor argument is set too, we may end up
- * having less than --lines= to output. In this case let's also check if the entry
- * is in range. */
-
- usec_t usec;
-
- r = sd_journal_get_realtime_usec(j, &usec);
- if (r < 0)
- return log_error_errno(r, "Failed to determine timestamp: %m");
- if (usec > arg_until)
- break;
- }
-
- if (arg_since_set && (arg_reverse || !c->since_seeked)) {
- usec_t usec;
-
- r = sd_journal_get_realtime_usec(j, &usec);
- if (r < 0)
- return log_error_errno(r, "Failed to determine timestamp: %m");
-
- if (usec < arg_since) {
- if (arg_reverse)
- break; /* Reached the earliest entry */
-
- /* arg_lines >= 0 (!since_seeked):
- * We jumped arg_lines back and it seems to be too much */
- r = sd_journal_seek_realtime_usec(j, arg_since);
- if (r < 0)
- return log_error_errno(r, "Failed to seek to date: %m");
- c->since_seeked = true;
-
- c->need_seek = true;
- continue;
- }
- c->since_seeked = true; /* We're surely within the range of --since now */
- }
-
- if (!arg_merge && !arg_quiet) {
- sd_id128_t boot_id;
-
- r = sd_journal_get_monotonic_usec(j, NULL, &boot_id);
- if (r >= 0) {
- if (c->previous_boot_id_valid &&
- !sd_id128_equal(boot_id, c->previous_boot_id))
- printf("%s-- Boot "SD_ID128_FORMAT_STR" --%s\n",
- ansi_highlight(), SD_ID128_FORMAT_VAL(boot_id), ansi_normal());
-
- c->previous_boot_id = boot_id;
- c->previous_boot_id_valid = true;
- }
- }
-
- if (arg_compiled_pattern) {
- const void *message;
- size_t len;
-
- r = sd_journal_get_data(j, "MESSAGE", &message, &len);
- if (r < 0) {
- if (r == -ENOENT) {
- c->need_seek = true;
- continue;
- }
-
- return log_error_errno(r, "Failed to get MESSAGE field: %m");
- }
-
- assert_se(message = startswith(message, "MESSAGE="));
-
- r = pattern_matches_and_log(arg_compiled_pattern, message,
- len - strlen("MESSAGE="), highlight);
- if (r < 0)
- return r;
- if (r == 0) {
- c->need_seek = true;
- continue;
- }
- }
-
- flags =
- arg_all * OUTPUT_SHOW_ALL |
- arg_full * OUTPUT_FULL_WIDTH |
- colors_enabled() * OUTPUT_COLOR |
- arg_catalog * OUTPUT_CATALOG |
- arg_utc * OUTPUT_UTC |
- arg_truncate_newline * OUTPUT_TRUNCATE_NEWLINE |
- arg_no_hostname * OUTPUT_NO_HOSTNAME;
-
- r = show_journal_entry(stdout, j, arg_output, 0, flags,
- arg_output_fields, highlight, &c->ellipsized,
- &c->previous_ts_output, &c->previous_boot_id_output);
- c->need_seek = true;
- if (r == -EADDRNOTAVAIL)
- break;
- if (r < 0)
- return r;
-
- n_shown++;
-
- /* If journalctl take a long time to process messages, and during that time journal file
- * rotation occurs, a journalctl client will keep those rotated files open until it calls
- * sd_journal_process(), which typically happens as a result of calling sd_journal_wait() below
- * in the "following" case. By periodically calling sd_journal_process() during the processing
- * loop we shrink the window of time a client instance has open file descriptors for rotated
- * (deleted) journal files. */
- if ((n_shown % PROCESS_INOTIFY_INTERVAL) == 0) {
- r = sd_journal_process(j);
- if (r < 0)
- return log_error_errno(r, "Failed to process inotify events: %m");
- }
- }
-
- return n_shown;
-}
-
-static int show_and_fflush(Context *c, sd_event_source *s) {
- int r;
-
- assert(c);
- assert(s);
-
- r = show(c);
- if (r < 0)
- return sd_event_exit(sd_event_source_get_event(s), r);
-
- fflush(stdout);
- return 0;
-}
-
-static int on_journal_event(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
- Context *c = ASSERT_PTR(userdata);
- int r;
-
- assert(s);
-
- r = sd_journal_process(c->journal);
- if (r < 0) {
- log_error_errno(r, "Failed to process journal events: %m");
- return sd_event_exit(sd_event_source_get_event(s), r);
- }
-
- return show_and_fflush(c, s);
-}
-
-static int on_first_event(sd_event_source *s, void *userdata) {
- return show_and_fflush(userdata, s);
-}
-
-static int on_signal(sd_event_source *s, const struct signalfd_siginfo *si, void *userdata) {
- assert(s);
- assert(si);
- assert(IN_SET(si->ssi_signo, SIGTERM, SIGINT));
-
- return sd_event_exit(sd_event_source_get_event(s), si->ssi_signo);
-}
-
-static int setup_event(Context *c, int fd, sd_event **ret) {
- _cleanup_(sd_event_unrefp) sd_event *e = NULL;
- int r;
-
- assert(arg_follow);
- assert(c);
- assert(fd >= 0);
- assert(ret);
-
- r = sd_event_default(&e);
- if (r < 0)
- return log_error_errno(r, "Failed to allocate sd_event object: %m");
-
- (void) sd_event_add_signal(e, NULL, SIGTERM | SD_EVENT_SIGNAL_PROCMASK, on_signal, NULL);
- (void) sd_event_add_signal(e, NULL, SIGINT | SD_EVENT_SIGNAL_PROCMASK, on_signal, NULL);
-
- r = sd_event_add_io(e, NULL, fd, EPOLLIN, &on_journal_event, c);
- if (r < 0)
- return log_error_errno(r, "Failed to add io event source for journal: %m");
-
- /* Also keeps an eye on STDOUT, and exits as soon as we see a POLLHUP on that, i.e. when it is closed. */
- r = sd_event_add_io(e, NULL, STDOUT_FILENO, EPOLLHUP|EPOLLERR, NULL, INT_TO_PTR(-ECANCELED));
- if (r == -EPERM)
- /* Installing an epoll watch on a regular file doesn't work and fails with EPERM. Which is
- * totally OK, handle it gracefully. epoll_ctl() documents EPERM as the error returned when
- * the specified fd doesn't support epoll, hence it's safe to check for that. */
- log_debug_errno(r, "Unable to install EPOLLHUP watch on stderr, not watching for hangups.");
- else if (r < 0)
- return log_error_errno(r, "Failed to add io event source for stdout: %m");
-
- if (arg_lines != 0 || arg_since_set) {
- r = sd_event_add_defer(e, NULL, on_first_event, c);
- if (r < 0)
- return log_error_errno(r, "Failed to add defer event source: %m");
- }
+ if (!arg_follow)
+ arg_journal_additional_open_flags = SD_JOURNAL_ASSUME_IMMUTABLE;
- *ret = TAKE_PTR(e);
- return 0;
+ return 1;
}
static int run(int argc, char *argv[]) {
- bool need_seek = false, since_seeked = false, after_cursor = false;
_cleanup_(loop_device_unrefp) LoopDevice *loop_device = NULL;
_cleanup_(umount_and_freep) char *mounted_dir = NULL;
- _cleanup_(sd_journal_closep) sd_journal *j = NULL;
- _cleanup_free_ char *cursor_from_file = NULL;
- const char *cursor = NULL;
- int n_shown, r, poll_fd = -EBADF;
+ int r;
setlocale(LC_ALL, "");
log_setup();
- /* Increase max number of open files if we can, we might needs this when browsing journal files, which might be
- * split up into many files. */
- (void) rlimit_nofile_bump(HIGH_RLIMIT_NOFILE);
-
r = parse_argv(argc, argv);
if (r <= 0)
return r;
+ char **args = strv_skip(argv, optind);
+
if (arg_image) {
assert(!arg_root);
@@ -2195,7 +1025,8 @@ static int run(int argc, char *argv[]) {
DISSECT_IMAGE_REQUIRE_ROOT |
DISSECT_IMAGE_VALIDATE_OS |
DISSECT_IMAGE_RELAX_VAR_CHECK |
- (arg_action == ACTION_UPDATE_CATALOG ? DISSECT_IMAGE_FSCK|DISSECT_IMAGE_GROWFS : DISSECT_IMAGE_READ_ONLY),
+ (arg_action == ACTION_UPDATE_CATALOG ? DISSECT_IMAGE_FSCK|DISSECT_IMAGE_GROWFS : DISSECT_IMAGE_READ_ONLY) |
+ DISSECT_IMAGE_ALLOW_USERSPACE_VERITY,
&mounted_dir,
/* ret_dir_fd= */ NULL,
&loop_device);
@@ -2207,427 +1038,66 @@ static int run(int argc, char *argv[]) {
return log_oom();
}
- signal(SIGWINCH, columns_lines_cache_reset);
- sigbus_install();
-
switch (arg_action) {
+ case ACTION_SHOW:
+ return action_show(args);
+
case ACTION_NEW_ID128:
return id128_print_new(ID128_PRINT_PRETTY);
case ACTION_SETUP_KEYS:
- return setup_keys();
+ return action_setup_keys();
case ACTION_LIST_CATALOG:
case ACTION_DUMP_CATALOG:
- case ACTION_UPDATE_CATALOG: {
- _cleanup_free_ char *database = NULL;
+ return action_list_catalog(args);
- database = path_join(arg_root, secure_getenv("SYSTEMD_CATALOG") ?: CATALOG_DATABASE);
- if (!database)
- return log_oom();
+ case ACTION_UPDATE_CATALOG:
+ return action_update_catalog();
- if (arg_action == ACTION_UPDATE_CATALOG) {
- const char *e;
+ case ACTION_PRINT_HEADER:
+ return action_print_header();
- e = secure_getenv("SYSTEMD_CATALOG_SOURCES");
+ case ACTION_VERIFY:
+ return action_verify();
- r = catalog_update(
- database,
- arg_root,
- e ? (const char* const*) STRV_MAKE(e) : catalog_file_dirs);
- if (r < 0)
- return log_error_errno(r, "Failed to list catalog: %m");
- } else {
- bool oneline = arg_action == ACTION_LIST_CATALOG;
+ case ACTION_DISK_USAGE:
+ return action_disk_usage();
- pager_open(arg_pager_flags);
+ case ACTION_LIST_BOOTS:
+ return action_list_boots();
- if (optind < argc)
- r = catalog_list_items(stdout, database, oneline, argv + optind);
- else
- r = catalog_list(stdout, database, oneline);
- if (r < 0)
- return log_error_errno(r, "Failed to list catalog: %m");
- }
+ case ACTION_LIST_FIELDS:
+ return action_list_fields();
- return 0;
- }
+ case ACTION_LIST_FIELD_NAMES:
+ return action_list_field_names();
+
+ case ACTION_LIST_NAMESPACES:
+ return action_list_namespaces();
case ACTION_FLUSH:
- return flush_to_var();
+ return action_flush_to_var();
case ACTION_RELINQUISH_VAR:
- return relinquish_var();
+ return action_relinquish_var();
case ACTION_SYNC:
- return sync_journal();
+ return action_sync();
case ACTION_ROTATE:
- return rotate();
+ return action_rotate();
- case ACTION_SHOW:
- case ACTION_PRINT_HEADER:
- case ACTION_VERIFY:
- case ACTION_DISK_USAGE:
- case ACTION_LIST_BOOTS:
case ACTION_VACUUM:
- case ACTION_ROTATE_AND_VACUUM:
- case ACTION_LIST_FIELDS:
- case ACTION_LIST_FIELD_NAMES:
- /* These ones require access to the journal files, continue below. */
- break;
-
- default:
- assert_not_reached();
- }
-
- if (arg_directory)
- r = sd_journal_open_directory(&j, arg_directory, arg_journal_type);
- else if (arg_root)
- r = sd_journal_open_directory(&j, arg_root, arg_journal_type | SD_JOURNAL_OS_ROOT);
- else if (arg_file_stdin)
- r = sd_journal_open_files_fd(&j, (int[]) { STDIN_FILENO }, 1, 0);
- else if (arg_file)
- r = sd_journal_open_files(&j, (const char**) arg_file, 0);
- else if (arg_machine)
- r = journal_open_machine(&j, arg_machine);
- else
- r = sd_journal_open_namespace(
- &j,
- arg_namespace,
- (arg_merge ? 0 : SD_JOURNAL_LOCAL_ONLY) |
- arg_namespace_flags | arg_journal_type);
- if (r < 0)
- return log_error_errno(r, "Failed to open %s: %m", arg_directory ?: arg_file ? "files" : "journal");
-
- r = journal_access_check_and_warn(j, arg_quiet,
- !(arg_journal_type == SD_JOURNAL_CURRENT_USER || arg_user_units));
- if (r < 0)
- return r;
-
- switch (arg_action) {
-
- case ACTION_NEW_ID128:
- case ACTION_SETUP_KEYS:
- case ACTION_LIST_CATALOG:
- case ACTION_DUMP_CATALOG:
- case ACTION_UPDATE_CATALOG:
- case ACTION_FLUSH:
- case ACTION_SYNC:
- case ACTION_ROTATE:
- assert_not_reached();
-
- case ACTION_PRINT_HEADER:
- journal_print_header(j);
- return 0;
-
- case ACTION_VERIFY:
- return verify(j, !arg_quiet);
-
- case ACTION_DISK_USAGE: {
- uint64_t bytes = 0;
-
- r = sd_journal_get_usage(j, &bytes);
- if (r < 0)
- return r;
-
- printf("Archived and active journals take up %s in the file system.\n",
- FORMAT_BYTES(bytes));
-
- return 0;
- }
-
- case ACTION_LIST_BOOTS:
- return list_boots(j);
+ return action_vacuum();
case ACTION_ROTATE_AND_VACUUM:
-
- r = rotate();
- if (r < 0)
- return r;
-
- _fallthrough_;
-
- case ACTION_VACUUM: {
- Directory *d;
- int ret = 0;
-
- HASHMAP_FOREACH(d, j->directories_by_path) {
- r = journal_directory_vacuum(d->path, arg_vacuum_size, arg_vacuum_n_files, arg_vacuum_time, NULL, !arg_quiet);
- if (r < 0) {
- log_error_errno(r, "Failed to vacuum %s: %m", d->path);
- if (ret >= 0)
- ret = r;
- }
- }
-
- return ret;
- }
-
- case ACTION_LIST_FIELD_NAMES: {
- const char *field;
-
- SD_JOURNAL_FOREACH_FIELD(j, field)
- printf("%s\n", field);
-
- return 0;
- }
-
- case ACTION_SHOW:
- case ACTION_LIST_FIELDS:
- break;
+ return action_rotate_and_vacuum();
default:
assert_not_reached();
}
-
- if (arg_boot_offset != 0 &&
- sd_journal_has_runtime_files(j) > 0 &&
- sd_journal_has_persistent_files(j) == 0) {
- log_info("Specifying boot ID or boot offset has no effect, no persistent journal was found.");
-
- if (arg_action == ACTION_SHOW && arg_compiled_pattern)
- return -ENOENT;
-
- return 0;
- }
- /* add_boot() must be called first!
- * It may need to seek the journal to find parent boot IDs. */
- r = add_boot(j);
- if (r < 0)
- return r;
-
- r = add_dmesg(j);
- if (r < 0)
- return r;
-
- r = add_units(j);
- if (r < 0)
- return log_error_errno(r, "Failed to add filter for units: %m");
-
- r = add_syslog_identifier(j);
- if (r < 0)
- return log_error_errno(r, "Failed to add filter for syslog identifiers: %m");
-
- r = add_priorities(j);
- if (r < 0)
- return r;
-
- r = add_facilities(j);
- if (r < 0)
- return r;
-
- r = add_matches(j, argv + optind);
- if (r < 0)
- return r;
-
- if (DEBUG_LOGGING) {
- _cleanup_free_ char *filter = NULL;
-
- filter = journal_make_match_string(j);
- if (!filter)
- return log_oom();
-
- log_debug("Journal filter: %s", filter);
- }
-
- if (arg_action == ACTION_LIST_FIELDS)
- return action_list_fields(j);
-
- /* Opening the fd now means the first sd_journal_wait() will actually wait */
- if (arg_follow) {
- poll_fd = sd_journal_get_fd(j);
- if (poll_fd == -EMFILE) {
- log_warning_errno(poll_fd, "Insufficient watch descriptors available. Reverting to -n.");
- arg_follow = false;
- } else if (poll_fd == -EMEDIUMTYPE)
- return log_error_errno(poll_fd, "The --follow switch is not supported in conjunction with reading from STDIN.");
- else if (poll_fd < 0)
- return log_error_errno(poll_fd, "Failed to get journal fd: %m");
- }
-
- if (arg_cursor || arg_after_cursor || arg_cursor_file) {
- cursor = arg_cursor ?: arg_after_cursor;
-
- if (arg_cursor_file) {
- r = read_one_line_file(arg_cursor_file, &cursor_from_file);
- if (r < 0 && r != -ENOENT)
- return log_error_errno(r, "Failed to read cursor file %s: %m", arg_cursor_file);
-
- if (r > 0) {
- cursor = cursor_from_file;
- after_cursor = true;
- }
- } else
- after_cursor = arg_after_cursor;
- }
-
- if (cursor) {
- r = sd_journal_seek_cursor(j, cursor);
- if (r < 0)
- return log_error_errno(r, "Failed to seek to cursor: %m");
-
- r = sd_journal_step_one(j, !arg_reverse);
- if (r < 0)
- return log_error_errno(r, "Failed to iterate through journal: %m");
-
- if (after_cursor && r > 0) {
- /* With --after-cursor=/--cursor-file= we want to skip the first entry only if it's
- * the entry the cursor is pointing at, otherwise, if some journal filters are used,
- * we might skip the first entry of the filter match, which leads to unexpectedly
- * missing journal entries. */
- int k;
-
- k = sd_journal_test_cursor(j, cursor);
- if (k < 0)
- return log_error_errno(k, "Failed to test cursor against current entry: %m");
- if (k > 0)
- /* Current entry matches the one our cursor is pointing at, so let's try
- * to advance the next entry. */
- r = sd_journal_step_one(j, !arg_reverse);
- }
-
- if (r == 0) {
- /* We couldn't find the next entry after the cursor. */
- if (arg_follow)
- need_seek = true;
- else
- arg_lines = 0;
- }
- } else if (arg_until_set && (arg_reverse || arg_lines_needs_seek_end())) {
- /* If both --until and any of --reverse and --lines=N is specified, things get
- * a little tricky. We seek to the place of --until first. If only --reverse or
- * --reverse and --lines is specified, we search backwards and let the output
- * counter handle --lines for us. If only --lines is used, we just jump backwards
- * arg_lines and search afterwards from there. */
-
- r = sd_journal_seek_realtime_usec(j, arg_until);
- if (r < 0)
- return log_error_errno(r, "Failed to seek to date: %m");
-
- if (arg_reverse)
- r = sd_journal_previous(j);
- else /* arg_lines_needs_seek_end */
- r = sd_journal_previous_skip(j, arg_lines);
-
- } else if (arg_reverse) {
- r = sd_journal_seek_tail(j);
- if (r < 0)
- return log_error_errno(r, "Failed to seek to tail: %m");
-
- r = sd_journal_previous(j);
-
- } else if (arg_lines_needs_seek_end()) {
- r = sd_journal_seek_tail(j);
- if (r < 0)
- return log_error_errno(r, "Failed to seek to tail: %m");
-
- r = sd_journal_previous_skip(j, arg_lines);
-
- } else if (arg_since_set) {
- /* This is placed after arg_reverse and arg_lines. If --since is used without
- * both, we seek to the place of --since and search afterwards from there.
- * If used with --reverse or --lines, we seek to the tail first and check if
- * the entry is within the range of --since later. */
-
- r = sd_journal_seek_realtime_usec(j, arg_since);
- if (r < 0)
- return log_error_errno(r, "Failed to seek to date: %m");
- since_seeked = true;
-
- r = sd_journal_next(j);
-
- } else {
- r = sd_journal_seek_head(j);
- if (r < 0)
- return log_error_errno(r, "Failed to seek to head: %m");
-
- r = sd_journal_next(j);
- }
- if (r < 0)
- return log_error_errno(r, "Failed to iterate through journal: %m");
- if (r == 0)
- need_seek = true;
-
- if (!arg_follow)
- pager_open(arg_pager_flags);
-
- if (!arg_quiet && (arg_lines != 0 || arg_follow) && DEBUG_LOGGING) {
- 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)
- return log_error_errno(r, "Failed to get cutoff: %m");
- if (r > 0) {
- if (arg_follow)
- printf("-- Journal begins at %s. --\n",
- format_timestamp_maybe_utc(start_buf, sizeof(start_buf), start));
- else
- printf("-- Journal begins at %s, ends at %s. --\n",
- format_timestamp_maybe_utc(start_buf, sizeof(start_buf), start),
- format_timestamp_maybe_utc(end_buf, sizeof(end_buf), end));
- }
- }
-
- Context c = {
- .journal = j,
- .has_cursor = cursor,
- .need_seek = need_seek,
- .since_seeked = since_seeked,
- };
-
- if (arg_follow) {
- _cleanup_(sd_event_unrefp) sd_event *e = NULL;
- int sig;
-
- assert(poll_fd >= 0);
-
- r = setup_event(&c, poll_fd, &e);
- if (r < 0)
- return r;
-
- r = sd_event_loop(e);
- if (r < 0)
- return r;
- sig = r;
-
- /* unref signal event sources. */
- e = sd_event_unref(e);
-
- r = update_cursor(j);
- if (r < 0)
- return r;
-
- /* re-send the original signal. */
- assert(SIGNAL_VALID(sig));
- if (raise(sig) < 0)
- log_error("Failed to raise the original signal SIG%s, ignoring: %m", signal_to_string(sig));
-
- return 0;
- }
-
- r = show(&c);
- if (r < 0)
- return r;
- n_shown = r;
-
- if (n_shown == 0 && !arg_quiet)
- printf("-- No entries --\n");
-
- r = update_cursor(j);
- if (r < 0)
- return r;
-
- if (arg_compiled_pattern && n_shown == 0)
- /* --grep was used, no error was thrown, but the pattern didn't
- * match anything. Let's mimic grep's behavior here and return
- * a non-zero exit code, so journalctl --grep can be used
- * in scripts and such */
- return -ENOENT;
-
- return 0;
}
-DEFINE_MAIN_FUNCTION(run);
+DEFINE_MAIN_FUNCTION_WITH_POSITIVE_SIGNAL(run);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-15 17:23:20 +0000