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-rw-r--r--src/journal/journalctl.c1060
1 files changed, 0 insertions, 1060 deletions
diff --git a/src/journal/journalctl.c b/src/journal/journalctl.c
deleted file mode 100644
index cccd8a7692..0000000000
--- a/src/journal/journalctl.c
+++ /dev/null
@@ -1,1060 +0,0 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2011 Lennart Poettering
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <locale.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <stddef.h>
-#include <string.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <sys/poll.h>
-#include <time.h>
-#include <getopt.h>
-#include <signal.h>
-#include <sys/stat.h>
-#include <sys/ioctl.h>
-#include <linux/fs.h>
-
-#include <systemd/sd-journal.h>
-
-#include "log.h"
-#include "util.h"
-#include "path-util.h"
-#include "build.h"
-#include "pager.h"
-#include "logs-show.h"
-#include "strv.h"
-#include "journal-internal.h"
-#include "journal-def.h"
-#include "journal-verify.h"
-#include "journal-authenticate.h"
-#include "journal-qrcode.h"
-#include "fsprg.h"
-#include "unit-name.h"
-
-#define DEFAULT_FSS_INTERVAL_USEC (15*USEC_PER_MINUTE)
-
-static OutputMode arg_output = OUTPUT_SHORT;
-static bool arg_follow = false;
-static bool arg_all = false;
-static bool arg_no_pager = false;
-static unsigned arg_lines = 0;
-static bool arg_no_tail = false;
-static bool arg_quiet = false;
-static bool arg_merge = false;
-static bool arg_this_boot = false;
-static const char *arg_cursor = NULL;
-static const char *arg_directory = NULL;
-static int arg_priorities = 0xFF;
-static const char *arg_verify_key = NULL;
-#ifdef HAVE_GCRYPT
-static usec_t arg_interval = DEFAULT_FSS_INTERVAL_USEC;
-#endif
-static usec_t arg_since, arg_until;
-static bool arg_since_set = false, arg_until_set = false;
-static const char *arg_unit = NULL;
-static const char *arg_field = NULL;
-
-static enum {
- ACTION_SHOW,
- ACTION_NEW_ID128,
- ACTION_PRINT_HEADER,
- ACTION_SETUP_KEYS,
- ACTION_VERIFY,
- ACTION_DISK_USAGE,
-} arg_action = ACTION_SHOW;
-
-static int help(void) {
-
- printf("%s [OPTIONS...] [MATCHES...]\n\n"
- "Query the journal.\n\n"
- "Flags:\n"
- " --since=DATE Start showing entries newer or of the specified date\n"
- " --until=DATE Stop showing entries older or of the specified date\n"
- " -c --cursor=CURSOR Start showing entries from specified cursor\n"
- " -b --this-boot Show data only from current boot\n"
- " -u --unit=UNIT Show data only from the specified unit\n"
- " -p --priority=RANGE Show only messages within the specified priority range\n"
- " -f --follow Follow 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-monotonic,\n"
- " verbose, export, json, json-pretty, json-sse, cat)\n"
- " -a --all Show all fields, including long and unprintable\n"
- " -q --quiet Don't show privilege warning\n"
- " --no-pager Do not pipe output into a pager\n"
- " -m --merge Show entries from all available journals\n"
- " -D --directory=PATH Show journal files from directory\n"
-#ifdef HAVE_GCRYPT
- " --interval=TIME Time interval for changing the FSS sealing key\n"
- " --verify-key=KEY Specify FSS verification key\n"
-#endif
- "\nCommands:\n"
- " -h --help Show this help\n"
- " --version Show package version\n"
- " --new-id128 Generate a new 128 Bit ID\n"
- " --header Show journal header information\n"
- " --disk-usage Show total disk usage\n"
- " -F --field=FIELD List all values a certain field takes\n"
-#ifdef HAVE_GCRYPT
- " --setup-keys Generate new FSS key pair\n"
- " --verify Verify journal file consistency\n"
-#endif
- , program_invocation_short_name);
-
- return 0;
-}
-
-static int parse_argv(int argc, char *argv[]) {
-
- enum {
- ARG_VERSION = 0x100,
- ARG_NO_PAGER,
- ARG_NO_TAIL,
- ARG_NEW_ID128,
- ARG_HEADER,
- ARG_SETUP_KEYS,
- ARG_INTERVAL,
- ARG_VERIFY,
- ARG_VERIFY_KEY,
- ARG_DISK_USAGE,
- ARG_SINCE,
- ARG_UNTIL
- };
-
- static const struct option options[] = {
- { "help", no_argument, NULL, 'h' },
- { "version" , no_argument, NULL, ARG_VERSION },
- { "no-pager", no_argument, NULL, ARG_NO_PAGER },
- { "follow", no_argument, NULL, 'f' },
- { "output", required_argument, NULL, 'o' },
- { "all", no_argument, NULL, 'a' },
- { "lines", optional_argument, NULL, 'n' },
- { "no-tail", no_argument, NULL, ARG_NO_TAIL },
- { "new-id128", no_argument, NULL, ARG_NEW_ID128 },
- { "quiet", no_argument, NULL, 'q' },
- { "merge", no_argument, NULL, 'm' },
- { "this-boot", no_argument, NULL, 'b' },
- { "directory", required_argument, NULL, 'D' },
- { "header", no_argument, NULL, ARG_HEADER },
- { "priority", no_argument, NULL, 'p' },
- { "setup-keys", no_argument, NULL, ARG_SETUP_KEYS },
- { "interval", required_argument, NULL, ARG_INTERVAL },
- { "verify", no_argument, NULL, ARG_VERIFY },
- { "verify-key", required_argument, NULL, ARG_VERIFY_KEY },
- { "disk-usage", no_argument, NULL, ARG_DISK_USAGE },
- { "cursor", required_argument, NULL, 'c' },
- { "since", required_argument, NULL, ARG_SINCE },
- { "until", required_argument, NULL, ARG_UNTIL },
- { "unit", required_argument, NULL, 'u' },
- { "field", required_argument, NULL, 'F' },
- { NULL, 0, NULL, 0 }
- };
-
- int c, r;
-
- assert(argc >= 0);
- assert(argv);
-
- while ((c = getopt_long(argc, argv, "hfo:an::qmbD:p:c:u:F:", options, NULL)) >= 0) {
-
- switch (c) {
-
- case 'h':
- help();
- return 0;
-
- case ARG_VERSION:
- puts(PACKAGE_STRING);
- puts(DISTRIBUTION);
- puts(SYSTEMD_FEATURES);
- return 0;
-
- case ARG_NO_PAGER:
- arg_no_pager = true;
- break;
-
- case 'f':
- arg_follow = true;
- break;
-
- case 'o':
- arg_output = output_mode_from_string(optarg);
- if (arg_output < 0) {
- log_error("Unknown output format '%s'.", optarg);
- return -EINVAL;
- }
-
- if (arg_output == OUTPUT_EXPORT ||
- arg_output == OUTPUT_JSON ||
- arg_output == OUTPUT_JSON_PRETTY ||
- arg_output == OUTPUT_JSON_SSE ||
- arg_output == OUTPUT_CAT)
- arg_quiet = true;
-
- break;
-
- case 'a':
- arg_all = true;
- break;
-
- case 'n':
- if (optarg) {
- r = safe_atou(optarg, &arg_lines);
- if (r < 0 || arg_lines <= 0) {
- log_error("Failed to parse lines '%s'", optarg);
- return -EINVAL;
- }
- } else
- arg_lines = 10;
-
- break;
-
- case ARG_NO_TAIL:
- arg_no_tail = true;
- break;
-
- case ARG_NEW_ID128:
- arg_action = ACTION_NEW_ID128;
- break;
-
- case 'q':
- arg_quiet = true;
- break;
-
- case 'm':
- arg_merge = true;
- break;
-
- case 'b':
- arg_this_boot = true;
- break;
-
- case 'D':
- arg_directory = optarg;
- break;
-
- case 'c':
- arg_cursor = optarg;
- break;
-
- case ARG_HEADER:
- arg_action = ACTION_PRINT_HEADER;
- break;
-
- case ARG_VERIFY:
- arg_action = ACTION_VERIFY;
- break;
-
- case ARG_DISK_USAGE:
- arg_action = ACTION_DISK_USAGE;
- break;
-
-#ifdef HAVE_GCRYPT
- case ARG_SETUP_KEYS:
- arg_action = ACTION_SETUP_KEYS;
- break;
-
-
- case ARG_VERIFY_KEY:
- arg_action = ACTION_VERIFY;
- arg_verify_key = optarg;
- arg_merge = false;
- break;
-
- case ARG_INTERVAL:
- r = parse_usec(optarg, &arg_interval);
- if (r < 0 || arg_interval <= 0) {
- log_error("Failed to parse sealing key change interval: %s", optarg);
- return -EINVAL;
- }
- break;
-#else
- case ARG_SETUP_KEYS:
- case ARG_VERIFY_KEY:
- case ARG_INTERVAL:
- log_error("Forward-secure sealing not available.");
- return -ENOTSUP;
-#endif
-
- case 'p': {
- const char *dots;
-
- dots = strstr(optarg, "..");
- if (dots) {
- char *a;
- int from, to, i;
-
- /* a range */
- a = strndup(optarg, dots - optarg);
- if (!a)
- return log_oom();
-
- from = log_level_from_string(a);
- to = log_level_from_string(dots + 2);
- free(a);
-
- if (from < 0 || to < 0) {
- log_error("Failed to parse log level range %s", optarg);
- return -EINVAL;
- }
-
- arg_priorities = 0;
-
- if (from < to) {
- for (i = from; i <= to; i++)
- arg_priorities |= 1 << i;
- } else {
- for (i = to; i <= from; i++)
- arg_priorities |= 1 << i;
- }
-
- } else {
- int p, i;
-
- p = log_level_from_string(optarg);
- if (p < 0) {
- log_error("Unknown log level %s", optarg);
- return -EINVAL;
- }
-
- arg_priorities = 0;
-
- for (i = 0; i <= p; i++)
- arg_priorities |= 1 << i;
- }
-
- break;
- }
-
- case ARG_SINCE:
- r = parse_timestamp(optarg, &arg_since);
- if (r < 0) {
- log_error("Failed to parse timestamp: %s", optarg);
- return -EINVAL;
- }
- arg_since_set = true;
- break;
-
- case ARG_UNTIL:
- r = parse_timestamp(optarg, &arg_until);
- if (r < 0) {
- log_error("Failed to parse timestamp: %s", optarg);
- return -EINVAL;
- }
- arg_until_set = true;
- break;
-
- case 'u':
- arg_unit = optarg;
- break;
-
- case '?':
- return -EINVAL;
-
- case 'F':
- arg_field = optarg;
- break;
-
- default:
- log_error("Unknown option code %c", c);
- return -EINVAL;
- }
- }
-
- if (arg_follow && !arg_no_tail && arg_lines <= 0)
- arg_lines = 10;
-
- if (arg_since_set && arg_until_set && arg_since_set > arg_until_set) {
- log_error("--since= must be before --until=.");
- return -EINVAL;
- }
-
- if (arg_cursor && arg_since_set) {
- log_error("Please specify either --since= or --cursor=, not both.");
- return -EINVAL;
- }
-
- return 1;
-}
-
-static int generate_new_id128(void) {
- sd_id128_t id;
- int r;
- unsigned i;
-
- r = sd_id128_randomize(&id);
- if (r < 0) {
- log_error("Failed to generate ID: %s", strerror(-r));
- return r;
- }
-
- printf("As string:\n"
- SD_ID128_FORMAT_STR "\n\n"
- "As UUID:\n"
- "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\n\n"
- "As macro:\n"
- "#define MESSAGE_XYZ SD_ID128_MAKE(",
- SD_ID128_FORMAT_VAL(id),
- SD_ID128_FORMAT_VAL(id));
-
- for (i = 0; i < 16; i++)
- printf("%02x%s", id.bytes[i], i != 15 ? "," : "");
-
- fputs(")\n", stdout);
-
- return 0;
-}
-
-static int add_matches(sd_journal *j, char **args) {
- char **i;
- int r;
-
- assert(j);
-
- STRV_FOREACH(i, args) {
-
- if (streq(*i, "+"))
- r = sd_journal_add_disjunction(j);
- else if (path_is_absolute(*i)) {
- char *p, *t = NULL;
- const char *path;
- struct stat st;
-
- p = canonicalize_file_name(*i);
- path = p ? p : *i;
-
- if (stat(path, &st) < 0) {
- free(p);
- log_error("Couldn't stat file: %m");
- return -errno;
- }
-
- if (S_ISREG(st.st_mode) && (0111 & st.st_mode))
- t = strappend("_EXE=", path);
- else if (S_ISCHR(st.st_mode))
- asprintf(&t, "_KERNEL_DEVICE=c%u:%u", major(st.st_rdev), minor(st.st_rdev));
- else if (S_ISBLK(st.st_mode))
- asprintf(&t, "_KERNEL_DEVICE=b%u:%u", major(st.st_rdev), minor(st.st_rdev));
- else {
- free(p);
- log_error("File is not a device node, regular file or is not executable: %s", *i);
- return -EINVAL;
- }
-
- free(p);
-
- if (!t)
- return log_oom();
-
- r = sd_journal_add_match(j, t, 0);
- free(t);
- } else
- r = sd_journal_add_match(j, *i, 0);
-
- if (r < 0) {
- log_error("Failed to add match '%s': %s", *i, strerror(-r));
- return r;
- }
- }
-
- return 0;
-}
-
-static int add_this_boot(sd_journal *j) {
- char match[9+32+1] = "_BOOT_ID=";
- sd_id128_t boot_id;
- int r;
-
- assert(j);
-
- if (!arg_this_boot)
- return 0;
-
- r = sd_id128_get_boot(&boot_id);
- if (r < 0) {
- log_error("Failed to get boot id: %s", strerror(-r));
- return r;
- }
-
- sd_id128_to_string(boot_id, match + 9);
- 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 add_unit(sd_journal *j) {
- _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;
- }
-
- 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 |
- (!on_tty() || pager_have()) * OUTPUT_FULL_WIDTH |
- on_tty() * OUTPUT_COLOR;
-
- 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;
-}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-07-08 10:54:17 +0000