X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fjournal%2Fjournalctl.c;h=b347dfa18713c5c10be152b67db7371dcba02a22;hp=b9be0c6ef72b9cc6322083b781c320450e6986b9;hb=cf5bccc2bb9569030cb04debbc4208aaca0fe5b4;hpb=73726ac8983f46f9a39ad76c395e86d9bbfb470c
diff --git a/src/journal/journalctl.c b/src/journal/journalctl.c
index b9be0c6ef..b347dfa18 100644
--- a/src/journal/journalctl.c
+++ b/src/journal/journalctl.c
@@ -19,6 +19,7 @@
along with systemd; If not, see .
***/
+#include
#include
#include
#include
@@ -26,24 +27,27 @@
#include
#include
#include
-#include
#include
#include
#include
#include
#include
#include
-#include
-#include
+
+#ifdef HAVE_ACL
+#include
+#include "acl-util.h"
+#endif
#include
#include "log.h"
+#include "logs-show.h"
#include "util.h"
#include "path-util.h"
+#include "fileio.h"
#include "build.h"
#include "pager.h"
-#include "logs-show.h"
#include "strv.h"
#include "journal-internal.h"
#include "journal-def.h"
@@ -51,24 +55,45 @@
#include "journal-authenticate.h"
#include "journal-qrcode.h"
#include "fsprg.h"
+#include "unit-name.h"
+#include "catalog.h"
#define DEFAULT_FSS_INTERVAL_USEC (15*USEC_PER_MINUTE)
static OutputMode arg_output = OUTPUT_SHORT;
+static bool arg_pager_end = false;
static bool arg_follow = false;
-static bool arg_show_all = false;
+static bool arg_full = true;
+static bool arg_all = false;
static bool arg_no_pager = false;
static int arg_lines = -1;
static bool arg_no_tail = false;
static bool arg_quiet = false;
static bool arg_merge = false;
-static bool arg_this_boot = false;
+static bool arg_boot = false;
+static char *arg_boot_descriptor = NULL;
+static bool arg_dmesg = false;
+static const char *arg_cursor = 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 int arg_priorities = 0xFF;
static const char *arg_verify_key = NULL;
#ifdef HAVE_GCRYPT
static usec_t arg_interval = DEFAULT_FSS_INTERVAL_USEC;
+static bool arg_force = false;
#endif
+static usec_t arg_since, arg_until;
+static bool arg_since_set = false, arg_until_set = false;
+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 const char *arg_root = NULL;
+static const char *arg_machine = NULL;
static enum {
ACTION_SHOW,
@@ -77,35 +102,82 @@ static enum {
ACTION_SETUP_KEYS,
ACTION_VERIFY,
ACTION_DISK_USAGE,
+ ACTION_LIST_CATALOG,
+ ACTION_DUMP_CATALOG,
+ ACTION_UPDATE_CATALOG,
+ ACTION_LIST_BOOTS,
} arg_action = ACTION_SHOW;
+typedef struct boot_id_t {
+ sd_id128_t id;
+ uint64_t first;
+ uint64_t last;
+} boot_id_t;
+
+static void pager_open_if_enabled(void) {
+
+ if (arg_no_pager)
+ return;
+
+ pager_open(arg_pager_end);
+}
+
static int help(void) {
- printf("%s [OPTIONS...] [MATCH]\n\n"
- "Send control commands to or query the journal.\n\n"
- " -h --help Show this help\n"
- " --version Show package version\n"
- " --no-pager Do not pipe output into a pager\n"
- " -a --all Show all fields, including long and unprintable\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, cat)\n"
- " -q --quiet Don't show privilege warning\n"
- " -m --merge Show entries from all available journals\n"
- " -b --this-boot Show data only from current boot\n"
- " -D --directory=PATH Show journal files from directory\n"
- " -p --priority=RANGE Show only messages within the specified priority range\n\n"
- "Commands:\n"
- " --new-id128 Generate a new 128 Bit ID\n"
- " --header Show journal header information\n"
- " --disk-usage Show total disk usage\n"
+ pager_open_if_enabled();
+
+ printf("%s [OPTIONS...] [MATCHES...]\n\n"
+ "Query the journal.\n\n"
+ "Flags:\n"
+ " --system Show only the system journal\n"
+ " --user Show only 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"
+ " --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"
+ " --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"
+ " -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"
+ " -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"
+ " -r --reverse Show the newest entries first\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"
+ " -x --catalog Add message explanations where available\n"
+ " --no-full Ellipsize fields\n"
+ " -a --all Show all fields, including long and unprintable\n"
+ " -q --quiet Do not 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"
+ " --file=PATH Show journal file\n"
+ " --root=ROOT Operate on catalog files underneath the root ROOT\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"
+#endif
+ "\nCommands:\n"
+ " -h --help Show this help text\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 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"
+ " --dump-catalog Show entries in the message catalog\n"
+ " --update-catalog Update the message catalog database\n"
#ifdef HAVE_GCRYPT
- " --setup-keys Generate new FSS key pair\n"
- " --interval=TIME Time interval for changing the FSS sealing key\n"
- " --verify Verify journal file consistency\n"
- " --verify-key=KEY Specify FSS verification key\n"
+ " --setup-keys Generate a new FSS key pair\n"
+ " --verify Verify journal file consistency\n"
#endif
, program_invocation_short_name);
@@ -117,38 +189,78 @@ static int parse_argv(int argc, char *argv[]) {
enum {
ARG_VERSION = 0x100,
ARG_NO_PAGER,
+ ARG_NO_FULL,
ARG_NO_TAIL,
ARG_NEW_ID128,
+ ARG_LIST_BOOTS,
+ ARG_USER,
+ ARG_SYSTEM,
+ ARG_ROOT,
ARG_HEADER,
ARG_SETUP_KEYS,
+ ARG_FILE,
ARG_INTERVAL,
ARG_VERIFY,
ARG_VERIFY_KEY,
- ARG_DISK_USAGE
+ ARG_DISK_USAGE,
+ ARG_SINCE,
+ ARG_UNTIL,
+ ARG_AFTER_CURSOR,
+ ARG_SHOW_CURSOR,
+ ARG_USER_UNIT,
+ ARG_LIST_CATALOG,
+ ARG_DUMP_CATALOG,
+ ARG_UPDATE_CATALOG,
+ ARG_FORCE,
};
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 },
- { NULL, 0, NULL, 0 }
+ { "help", no_argument, NULL, 'h' },
+ { "version" , no_argument, NULL, ARG_VERSION },
+ { "no-pager", no_argument, NULL, ARG_NO_PAGER },
+ { "pager-end", no_argument, NULL, 'e' },
+ { "follow", no_argument, NULL, 'f' },
+ { "force", no_argument, NULL, ARG_FORCE },
+ { "output", required_argument, NULL, 'o' },
+ { "all", no_argument, NULL, 'a' },
+ { "full", no_argument, NULL, 'l' },
+ { "no-full", no_argument, NULL, ARG_NO_FULL },
+ { "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' },
+ { "boot", optional_argument, NULL, 'b' },
+ { "list-boots", no_argument, NULL, ARG_LIST_BOOTS },
+ { "this-boot", optional_argument, NULL, 'b' }, /* deprecated */
+ { "dmesg", no_argument, NULL, 'k' },
+ { "system", no_argument, NULL, ARG_SYSTEM },
+ { "user", no_argument, NULL, ARG_USER },
+ { "directory", required_argument, NULL, 'D' },
+ { "file", required_argument, NULL, ARG_FILE },
+ { "root", required_argument, NULL, ARG_ROOT },
+ { "header", no_argument, NULL, ARG_HEADER },
+ { "priority", required_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' },
+ { "after-cursor", required_argument, NULL, ARG_AFTER_CURSOR },
+ { "show-cursor", no_argument, NULL, ARG_SHOW_CURSOR },
+ { "since", required_argument, NULL, ARG_SINCE },
+ { "until", required_argument, NULL, ARG_UNTIL },
+ { "unit", required_argument, NULL, 'u' },
+ { "user-unit", required_argument, NULL, ARG_USER_UNIT },
+ { "field", required_argument, NULL, 'F' },
+ { "catalog", no_argument, NULL, 'x' },
+ { "list-catalog", no_argument, NULL, ARG_LIST_CATALOG },
+ { "dump-catalog", no_argument, NULL, ARG_DUMP_CATALOG },
+ { "update-catalog", no_argument, NULL, ARG_UPDATE_CATALOG },
+ { "reverse", no_argument, NULL, 'r' },
+ { "machine", required_argument, NULL, 'M' },
+ {}
};
int c, r;
@@ -156,17 +268,15 @@ static int parse_argv(int argc, char *argv[]) {
assert(argc >= 0);
assert(argv);
- while ((c = getopt_long(argc, argv, "hfo:an::qmbD:p:", options, NULL)) >= 0) {
+ while ((c = getopt_long(argc, argv, "hefo:aln::qmb::kD:p:c:u:F:xrM:", options, NULL)) >= 0) {
switch (c) {
case 'h':
- help();
- return 0;
+ return help();
case ARG_VERSION:
puts(PACKAGE_STRING);
- puts(DISTRIBUTION);
puts(SYSTEMD_FEATURES);
return 0;
@@ -174,22 +284,44 @@ static int parse_argv(int argc, char *argv[]) {
arg_no_pager = true;
break;
+ case 'e':
+ arg_pager_end = true;
+
+ if (arg_lines < 0)
+ arg_lines = 1000;
+
+ break;
+
case 'f':
arg_follow = true;
- signal(SIGWINCH, columns_cache_reset);
break;
case 'o':
arg_output = output_mode_from_string(optarg);
if (arg_output < 0) {
- log_error("Unknown output '%s'.", optarg);
+ 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 'l':
+ arg_full = true;
+ break;
+
+ case ARG_NO_FULL:
+ arg_full = false;
break;
case 'a':
- arg_show_all = true;
+ arg_all = true;
break;
case 'n':
@@ -199,8 +331,25 @@ static int parse_argv(int argc, char *argv[]) {
log_error("Failed to parse lines '%s'", optarg);
return -EINVAL;
}
- } else
- arg_lines = 10;
+ } else {
+ int n;
+
+ /* 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 positive
+ * integer... */
+
+ if (optind < argc &&
+ safe_atoi(argv[optind], &n) >= 0 &&
+ n >= 0) {
+
+ arg_lines = n;
+ optind++;
+ } else
+ arg_lines = 10;
+ }
break;
@@ -221,13 +370,59 @@ static int parse_argv(int argc, char *argv[]) {
break;
case 'b':
- arg_this_boot = true;
+ arg_boot = true;
+ arg_boot_descriptor = optarg;
+
+ break;
+
+ case ARG_LIST_BOOTS:
+ arg_action = ACTION_LIST_BOOTS;
+ break;
+
+ case 'k':
+ arg_boot = arg_dmesg = true;
+ break;
+
+ case ARG_SYSTEM:
+ arg_journal_type |= SD_JOURNAL_SYSTEM;
+ break;
+
+ case ARG_USER:
+ arg_journal_type |= SD_JOURNAL_CURRENT_USER;
+ break;
+
+ case 'M':
+ arg_machine = optarg;
break;
case 'D':
arg_directory = optarg;
break;
+ case ARG_FILE:
+ r = glob_extend(&arg_file, optarg);
+ if (r < 0) {
+ log_error("Failed to add paths: %s", strerror(-r));
+ return r;
+ };
+ break;
+
+ case ARG_ROOT:
+ arg_root = optarg;
+ break;
+
+ case 'c':
+ arg_cursor = optarg;
+ break;
+
+ case ARG_AFTER_CURSOR:
+ arg_after_cursor = optarg;
+ break;
+
+ case ARG_SHOW_CURSOR:
+ arg_show_cursor = true;
+ break;
+
case ARG_HEADER:
arg_action = ACTION_PRINT_HEADER;
break;
@@ -241,6 +436,10 @@ static int parse_argv(int argc, char *argv[]) {
break;
#ifdef HAVE_GCRYPT
+ case ARG_FORCE:
+ arg_force = true;
+ break;
+
case ARG_SETUP_KEYS:
arg_action = ACTION_SETUP_KEYS;
break;
@@ -253,7 +452,7 @@ static int parse_argv(int argc, char *argv[]) {
break;
case ARG_INTERVAL:
- r = parse_usec(optarg, &arg_interval);
+ r = parse_sec(optarg, &arg_interval);
if (r < 0 || arg_interval <= 0) {
log_error("Failed to parse sealing key change interval: %s", optarg);
return -EINVAL;
@@ -263,6 +462,7 @@ static int parse_argv(int argc, char *argv[]) {
case ARG_SETUP_KEYS:
case ARG_VERIFY_KEY:
case ARG_INTERVAL:
+ case ARG_FORCE:
log_error("Forward-secure sealing not available.");
return -ENOTSUP;
#endif
@@ -317,34 +517,92 @@ static int parse_argv(int argc, char *argv[]) {
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':
+ r = strv_extend(&arg_system_units, optarg);
+ if (r < 0)
+ return log_oom();
+ break;
+
+ case ARG_USER_UNIT:
+ r = strv_extend(&arg_user_units, optarg);
+ if (r < 0)
+ return log_oom();
+ break;
+
+ case 'F':
+ arg_field = optarg;
+ break;
+
+ case 'x':
+ arg_catalog = true;
+ break;
+
+ case ARG_LIST_CATALOG:
+ arg_action = ACTION_LIST_CATALOG;
+ break;
+
+ case ARG_DUMP_CATALOG:
+ arg_action = ACTION_DUMP_CATALOG;
+ break;
+
+ case ARG_UPDATE_CATALOG:
+ arg_action = ACTION_UPDATE_CATALOG;
+ break;
+
+ case 'r':
+ arg_reverse = true;
+ break;
+
case '?':
return -EINVAL;
default:
- log_error("Unknown option code %c", c);
- return -EINVAL;
+ assert_not_reached("Unhandled option");
}
}
if (arg_follow && !arg_no_tail && arg_lines < 0)
arg_lines = 10;
- return 1;
-}
+ if (!!arg_directory + !!arg_file + !!arg_machine > 1) {
+ log_error("Please specify either -D/--directory= or --file= or -M/--machine=, not more than one.");
+ return -EINVAL;
+ }
-static bool on_tty(void) {
- static int t = -1;
+ if (arg_since_set && arg_until_set && arg_since > arg_until) {
+ log_error("--since= must be before --until=.");
+ return -EINVAL;
+ }
- /* Note that this is invoked relatively early, before we start
- * the pager. That means the value we return reflects whether
- * we originally were started on a tty, not if we currently
- * are. But this is intended, since we want colour and so on
- * when run in our own pager. */
+ if (!!arg_cursor + !!arg_after_cursor + !!arg_since_set > 1) {
+ log_error("Please specify only one of --since=, --cursor=, and --after-cursor.");
+ return -EINVAL;
+ }
- if (_unlikely_(t < 0))
- t = isatty(STDOUT_FILENO) > 0;
+ if (arg_follow && arg_reverse) {
+ log_error("Please specify either --reverse= or --follow=, not both.");
+ return -EINVAL;
+ }
- return t;
+ return 1;
}
static int generate_new_id128(void) {
@@ -363,61 +621,80 @@ static int generate_new_id128(void) {
"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(",
+ "#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\n", stdout);
- fputs(")\n", stdout);
+ printf("As Python constant:\n"
+ ">>> import uuid\n"
+ ">>> MESSAGE_XYZ = uuid.UUID('" SD_ID128_FORMAT_STR "')\n",
+ SD_ID128_FORMAT_VAL(id));
return 0;
}
static int add_matches(sd_journal *j, char **args) {
char **i;
- int r;
assert(j);
STRV_FOREACH(i, args) {
+ int r;
if (streq(*i, "+"))
r = sd_journal_add_disjunction(j);
else if (path_is_absolute(*i)) {
- char *p, *t = NULL;
+ _cleanup_free_ char *p, *t = NULL, *t2 = NULL;
const char *path;
+ _cleanup_free_ char *interpreter = NULL;
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))
+ if (S_ISREG(st.st_mode) && (0111 & st.st_mode)) {
+ if (executable_is_script(path, &interpreter) > 0) {
+ _cleanup_free_ char *comm;
+
+ comm = strndup(basename(path), 15);
+ if (!comm)
+ return log_oom();
+
+ t = strappend("_COMM=", comm);
+
+ /* 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 = strappend("_EXE=", interpreter);
+ if (!t2)
+ return log_oom();
+ }
+ } else
+ 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);
+ log_error("File is neither a device node, nor regular file, nor executable: %s", *i);
return -EINVAL;
}
- free(p);
-
if (!t)
return log_oom();
r = sd_journal_add_match(j, t, 0);
- free(t);
+ if (t2)
+ r = sd_journal_add_match(j, t2, 0);
} else
r = sd_journal_add_match(j, *i, 0);
@@ -430,36 +707,306 @@ static int add_matches(sd_journal *j, char **args) {
return 0;
}
-static int add_this_boot(sd_journal *j) {
- char match[9+32+1] = "_BOOT_ID=";
- sd_id128_t boot_id;
+static int boot_id_cmp(const void *a, const void *b) {
+ uint64_t _a, _b;
+
+ _a = ((const boot_id_t *)a)->first;
+ _b = ((const boot_id_t *)b)->first;
+
+ return _a < _b ? -1 : (_a > _b ? 1 : 0);
+}
+
+static int list_boots(sd_journal *j) {
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;
+
+ r = sd_journal_query_unique(j, "_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;
+
+ 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_get_realtime_usec(j, &id->last);
+ if (r < 0)
+ return r;
+
+ count++;
+ flush:
+ sd_journal_flush_matches(j);
+ }
+
+ qsort_safe(all_ids, count, sizeof(boot_id_t), boot_id_cmp);
+
+ /* numbers are one less, but we need an extra char for the sign */
+ w = DECIMAL_STR_WIDTH(count - 1) + 1;
+
+ for (id = all_ids, i = 0; id < all_ids + count; id++, i++) {
+ char a[FORMAT_TIMESTAMP_MAX], b[FORMAT_TIMESTAMP_MAX];
+
+ printf("% *i " SD_ID128_FORMAT_STR " %sâ%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));
+ }
+
+ return 0;
+}
+
+static int get_relative_boot_id(sd_journal *j, sd_id128_t *boot_id, int relative) {
+ int r;
+ const void *data;
+ unsigned int count = 0;
+ size_t length, allocated = 0;
+ boot_id_t ref_boot_id = {SD_ID128_NULL}, *id;
+ _cleanup_free_ boot_id_t *all_ids = NULL;
assert(j);
+ assert(boot_id);
- if (!arg_this_boot)
+ if (relative == 0 && !sd_id128_equal(*boot_id, SD_ID128_NULL))
return 0;
- r = sd_id128_get_boot(&boot_id);
+ r = sd_journal_query_unique(j, "_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)
+ return -EADDRNOTAVAIL;
+
+ *boot_id = all_ids[(relative <= 0)*count + relative - 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)
+ return -EADDRNOTAVAIL;
+
+ *boot_id = (id + relative)->id;
+ }
+
+ return 0;
+}
+
+static int add_boot(sd_journal *j) {
+ char match[9+32+1] = "_BOOT_ID=";
+ char *offset;
+ sd_id128_t boot_id = SD_ID128_NULL;
+ int r, relative = 0;
+
+ assert(j);
+
+ if (!arg_boot)
+ return 0;
+
+ if (!arg_boot_descriptor)
+ return add_match_this_boot(j, arg_machine);
+
+ if (strlen(arg_boot_descriptor) >= 32) {
+ char tmp = arg_boot_descriptor[32];
+ arg_boot_descriptor[32] = '\0';
+ r = sd_id128_from_string(arg_boot_descriptor, &boot_id);
+ arg_boot_descriptor[32] = tmp;
+
+ if (r < 0) {
+ log_error("Failed to parse boot ID '%.32s': %s",
+ arg_boot_descriptor, strerror(-r));
+ return r;
+ }
+
+ offset = arg_boot_descriptor + 32;
+
+ if (*offset && *offset != '-' && *offset != '+') {
+ log_error("Relative boot ID offset must start with a '+' or a '-', found '%s' ", offset);
+ return -EINVAL;
+ }
+ } else
+ offset = arg_boot_descriptor;
+
+ if (*offset) {
+ r = safe_atoi(offset, &relative);
+ if (r < 0) {
+ log_error("Failed to parse relative boot ID number '%s'", offset);
+ return -EINVAL;
+ }
+ }
+
+ r = get_relative_boot_id(j, &boot_id, relative);
if (r < 0) {
- log_error("Failed to get boot id: %s", strerror(-r));
+ if (sd_id128_equal(boot_id, SD_ID128_NULL))
+ log_error("Failed to look up boot %+d: %s", relative, strerror(-r));
+ else
+ log_error("Failed to look up boot ID "SD_ID128_FORMAT_STR"%+d: %s",
+ SD_ID128_FORMAT_VAL(boot_id), relative, strerror(-r));
return r;
}
sd_id128_to_string(boot_id, match + 9);
- r = sd_journal_add_match(j, match, strlen(match));
+
+ r = sd_journal_add_match(j, match, sizeof(match) - 1);
if (r < 0) {
log_error("Failed to add match: %s", strerror(-r));
return r;
}
+ r = sd_journal_add_conjunction(j);
+ if (r < 0)
+ return r;
+
+ 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) {
+ log_error("Failed to add match: %s", strerror(-r));
+ return r;
+ }
+
+ r = sd_journal_add_conjunction(j);
+ if (r < 0)
+ return r;
+
+ return 0;
+}
+
+static int add_units(sd_journal *j) {
+ _cleanup_free_ char *u = NULL;
+ int r;
+ char **i;
+
+ assert(j);
+
+ STRV_FOREACH(i, arg_system_units) {
+ u = unit_name_mangle(*i);
+ if (!u)
+ return log_oom();
+ r = add_matches_for_unit(j, u);
+ if (r < 0)
+ return r;
+ r = sd_journal_add_disjunction(j);
+ if (r < 0)
+ return r;
+ }
+
+ STRV_FOREACH(i, arg_user_units) {
+ u = unit_name_mangle(*i);
+ if (!u)
+ return log_oom();
+
+ 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;
+
+ }
+
+ 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)
@@ -469,8 +1016,6 @@ static int add_priorities(sd_journal *j) {
if (arg_priorities & (1 << i)) {
match[sizeof(match)-2] = '0' + i;
- log_info("adding match %s", match);
-
r = sd_journal_add_match(j, match, strlen(match));
if (r < 0) {
log_error("Failed to add match: %s", strerror(-r));
@@ -478,6 +1023,10 @@ static int add_priorities(sd_journal *j) {
}
}
+ r = sd_journal_add_conjunction(j);
+ if (r < 0)
+ return r;
+
return 0;
}
@@ -491,6 +1040,19 @@ static int setup_keys(void) {
char *p = NULL, *k = NULL;
struct FSSHeader h;
uint64_t n;
+ 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 || !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) {
@@ -509,9 +1071,18 @@ static int setup_keys(void) {
return log_oom();
if (access(p, F_OK) >= 0) {
- log_error("Sealing key file %s exists already.", p);
- r = -EEXIST;
- goto finish;
+ if (arg_force) {
+ r = unlink(p);
+ if (r < 0) {
+ log_error("unlink(\"%s\") failed: %m", p);
+ r = -errno;
+ goto finish;
+ }
+ } else {
+ log_error("Sealing key file %s exists already. (--force to recreate)", p);
+ r = -EEXIST;
+ goto finish;
+ }
}
if (asprintf(&k, "/var/log/journal/" SD_ID128_FORMAT_STR "/fss.tmp.XXXXXX",
@@ -603,7 +1174,7 @@ static int setup_keys(void) {
goto finish;
}
- if (isatty(STDOUT_FILENO)) {
+ 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"
@@ -625,27 +1196,25 @@ static int setup_keys(void) {
printf("/%llx-%llx\n", (unsigned long long) n, (unsigned long long) arg_interval);
- if (isatty(STDOUT_FILENO)) {
+ 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));
+ format_timespan(tsb, sizeof(tsb), arg_interval, 0));
hn = gethostname_malloc();
if (hn) {
- hostname_cleanup(hn);
+ hostname_cleanup(hn, false);
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 */
- setlocale(LC_CTYPE, "");
-
- if (streq_ptr(nl_langinfo(CODESET), "UTF-8")) {
+ 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);
}
@@ -684,14 +1253,14 @@ static int verify(sd_journal *j) {
HASHMAP_FOREACH(f, j->files, i) {
int k;
- usec_t from, to, total;
+ 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, &from, &to, &total, true);
+ 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;
@@ -703,14 +1272,14 @@ static int verify(sd_journal *j) {
log_info("PASS: %s", f->path);
if (arg_verify_key && JOURNAL_HEADER_SEALED(f->header)) {
- if (from > 0) {
+ if (validated > 0) {
log_info("=> Validated from %s to %s, final %s entries not sealed.",
- format_timestamp(a, sizeof(a), from),
- format_timestamp(b, sizeof(b), to),
- format_timespan(c, sizeof(c), total > to ? total - to : 0));
- } else if (total > 0)
+ format_timestamp(a, sizeof(a), first),
+ format_timestamp(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.",
- format_timespan(c, sizeof(c), total - f->header->head_entry_realtime));
+ format_timespan(c, sizeof(c), last - first, 0));
else
log_info("=> No sealing yet, no entries in file.");
}
@@ -720,15 +1289,125 @@ static int verify(sd_journal *j) {
return r;
}
+#ifdef HAVE_ACL
+static int access_check_var_log_journal(sd_journal *j) {
+ _cleanup_strv_free_ char **g = NULL;
+ bool have_access;
+ int r;
+
+ assert(j);
+
+ have_access = in_group("systemd-journal") > 0;
+
+ if (!have_access) {
+ /* 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);
+ if (r < 0)
+ return r;
+ }
+
+ if (!have_access) {
+
+ if (strv_isempty(g))
+ log_notice("Hint: You are currently not seeing messages from other users and the system.\n"
+ " Users in the 'systemd-journal' group can see all messages. Pass -q to\n"
+ " turn off this notice.");
+ else {
+ _cleanup_free_ char *s = NULL;
+
+ r = strv_extend(&g, "systemd-journal");
+ if (r < 0)
+ return log_oom();
+
+ strv_sort(g);
+ strv_uniq(g);
+
+ s = strv_join(g, "', '");
+ if (!s)
+ 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"
+ " Pass -q to turn off this notice.", s);
+ }
+ }
+
+ return 0;
+}
+#endif
+
+static int access_check(sd_journal *j) {
+ Iterator it;
+ void *code;
+ int r = 0;
+
+ assert(j);
+
+ if (set_isempty(j->errors)) {
+ if (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 (!arg_quiet && geteuid() != 0) {
+ r = access_check_var_log_journal(j);
+ if (r < 0)
+ return r;
+ }
+#else
+ if (geteuid() != 0 && in_group("systemd-journal") <= 0) {
+ log_error("Unprivileged users cannot access messages. Users in the 'systemd-journal' group\n"
+ "group may access messages.");
+ return -EACCES;
+ }
+#endif
+
+ if (hashmap_isempty(j->files)) {
+ log_error("No journal files were opened due to insufficient permissions.");
+ r = -EACCES;
+ }
+ }
+
+ SET_FOREACH(code, j->errors, it) {
+ int err;
+
+ err = -PTR_TO_INT(code);
+ assert(err > 0);
+
+ if (err != EACCES)
+ log_warning("Error was encountered while opening journal files: %s",
+ strerror(err));
+ }
+
+ return r;
+}
+
int main(int argc, char *argv[]) {
int r;
- sd_journal *j = NULL;
- unsigned line = 0;
+ _cleanup_journal_close_ sd_journal *j = NULL;
bool need_seek = false;
sd_id128_t previous_boot_id;
- bool previous_boot_id_valid = false;
- bool have_pager;
+ bool previous_boot_id_valid = false, first_line = true;
+ int n_shown = 0;
+ bool ellipsized = false;
+ setlocale(LC_ALL, "");
log_parse_environment();
log_open();
@@ -736,6 +1415,8 @@ int main(int argc, char *argv[]) {
if (r <= 0)
goto finish;
+ signal(SIGWINCH, columns_lines_cache_reset);
+
if (arg_action == ACTION_NEW_ID128) {
r = generate_new_id128();
goto finish;
@@ -746,16 +1427,60 @@ int main(int argc, char *argv[]) {
goto finish;
}
+ if (arg_action == ACTION_UPDATE_CATALOG ||
+ arg_action == ACTION_LIST_CATALOG ||
+ arg_action == ACTION_DUMP_CATALOG) {
+
+ const char* database = CATALOG_DATABASE;
+ _cleanup_free_ char *copy = NULL;
+ if (arg_root) {
+ copy = strjoin(arg_root, "/", CATALOG_DATABASE, NULL);
+ if (!copy) {
+ r = log_oom();
+ goto finish;
+ }
+ path_kill_slashes(copy);
+ database = copy;
+ }
+
+ 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));
+ } else {
+ bool oneline = arg_action == ACTION_LIST_CATALOG;
+
+ if (optind < argc)
+ r = catalog_list_items(stdout, database,
+ oneline, argv + optind);
+ else
+ r = catalog_list(stdout, database, oneline);
+ if (r < 0)
+ log_error("Failed to list catalog: %s", strerror(-r));
+ }
+
+ goto finish;
+ }
+
if (arg_directory)
- r = sd_journal_open_directory(&j, arg_directory, 0);
+ r = sd_journal_open_directory(&j, arg_directory, arg_journal_type);
+ else if (arg_file)
+ r = sd_journal_open_files(&j, (const char**) arg_file, 0);
+ else if (arg_machine)
+ r = sd_journal_open_container(&j, arg_machine, 0);
else
- r = sd_journal_open(&j, arg_merge ? 0 : SD_JOURNAL_LOCAL_ONLY);
-
+ r = sd_journal_open(&j, !arg_merge*SD_JOURNAL_LOCAL_ONLY + arg_journal_type);
if (r < 0) {
- log_error("Failed to open journal: %s", strerror(-r));
- goto finish;
+ log_error("Failed to open %s: %s",
+ arg_directory ? arg_directory : arg_file ? "files" : "journal",
+ strerror(-r));
+ return EXIT_FAILURE;
}
+ r = access_check(j);
+ if (r < 0)
+ return EXIT_FAILURE;
+
if (arg_action == ACTION_VERIFY) {
r = verify(j);
goto finish;
@@ -763,8 +1488,7 @@ int main(int argc, char *argv[]) {
if (arg_action == ACTION_PRINT_HEADER) {
journal_print_header(j);
- r = 0;
- goto finish;
+ return EXIT_SUCCESS;
}
if (arg_action == ACTION_DISK_USAGE) {
@@ -773,75 +1497,145 @@ int main(int argc, char *argv[]) {
r = sd_journal_get_usage(j, &bytes);
if (r < 0)
- goto finish;
+ return EXIT_FAILURE;
- printf("Journals take up %s on disk.\n", format_bytes(sbytes, sizeof(sbytes), bytes));
- r = 0;
- goto finish;
+ printf("Journals take up %s on disk.\n",
+ format_bytes(sbytes, sizeof(sbytes), bytes));
+ return EXIT_SUCCESS;
}
-#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.");
- r = -EACCES;
+ if (arg_action == ACTION_LIST_BOOTS) {
+ r = list_boots(j);
goto finish;
}
- 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.");
- r = -EACCES;
- goto finish;
- }
-#endif
+ /* 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 EXIT_FAILURE;
- r = add_this_boot(j);
+ r = add_dmesg(j);
if (r < 0)
- goto finish;
+ return EXIT_FAILURE;
+
+ r = add_units(j);
+ strv_free(arg_system_units);
+ strv_free(arg_user_units);
- r = add_matches(j, argv + optind);
if (r < 0)
- goto finish;
+ return EXIT_FAILURE;
r = add_priorities(j);
if (r < 0)
- goto finish;
+ return EXIT_FAILURE;
- if (!arg_quiet) {
- usec_t start, end;
- char start_buf[FORMAT_TIMESTAMP_MAX], end_buf[FORMAT_TIMESTAMP_MAX];
+ r = add_matches(j, argv + optind);
+ if (r < 0)
+ return EXIT_FAILURE;
- r = sd_journal_get_cutoff_realtime_usec(j, &start, &end);
+ if (_unlikely_(log_get_max_level() >= LOG_PRI(LOG_DEBUG))) {
+ _cleanup_free_ char *filter;
+
+ filter = journal_make_match_string(j);
+ log_debug("Journal filter: %s", filter);
+ }
+
+ if (arg_field) {
+ const void *data;
+ size_t size;
+
+ r = sd_journal_set_data_threshold(j, 0);
if (r < 0) {
- log_error("Failed to get cutoff: %s", strerror(-r));
- goto finish;
+ log_error("Failed to unset data size threshold");
+ return EXIT_FAILURE;
}
- if (r > 0) {
- if (arg_follow)
- printf("Logs begin at %s.\n", format_timestamp(start_buf, sizeof(start_buf), start));
+ r = sd_journal_query_unique(j, arg_field);
+ if (r < 0) {
+ log_error("Failed to query unique data objects: %s", strerror(-r));
+ return EXIT_FAILURE;
+ }
+
+ 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("Logs begin at %s, end at %s.\n",
- format_timestamp(start_buf, sizeof(start_buf), start),
- format_timestamp(end_buf, sizeof(end_buf), end));
+ printf("%.*s\n", (int) size, (const char*) data);
+
+ n_shown ++;
}
+
+ return EXIT_SUCCESS;
}
- if (arg_lines >= 0) {
+ /* Opening the fd now means the first sd_journal_wait() will actually wait */
+ if (arg_follow) {
+ r = sd_journal_get_fd(j);
+ if (r < 0)
+ return EXIT_FAILURE;
+ }
+
+ if (arg_cursor || arg_after_cursor) {
+ r = sd_journal_seek_cursor(j, arg_cursor ? arg_cursor : arg_after_cursor);
+ if (r < 0) {
+ log_error("Failed to seek to cursor: %s", strerror(-r));
+ return EXIT_FAILURE;
+ }
+ if (!arg_reverse)
+ r = sd_journal_next_skip(j, 1 + !!arg_after_cursor);
+ else
+ r = sd_journal_previous_skip(j, 1 + !!arg_after_cursor);
+
+ if (arg_after_cursor && r < 2 && !arg_follow)
+ /* We couldn't find the next entry after the cursor. */
+ 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));
+ 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));
+ 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));
- goto finish;
+ return EXIT_FAILURE;
}
r = sd_journal_previous_skip(j, arg_lines);
+
+ } else if (arg_reverse) {
+ r = sd_journal_seek_tail(j);
+ if (r < 0) {
+ log_error("Failed to seek to tail: %s", strerror(-r));
+ return EXIT_FAILURE;
+ }
+
+ r = sd_journal_previous(j);
+
} else {
r = sd_journal_seek_head(j);
if (r < 0) {
log_error("Failed to seek to head: %s", strerror(-r));
- goto finish;
+ return EXIT_FAILURE;
}
r = sd_journal_next(j);
@@ -849,29 +1643,73 @@ int main(int argc, char *argv[]) {
if (r < 0) {
log_error("Failed to iterate through journal: %s", strerror(-r));
- goto finish;
+ return EXIT_FAILURE;
}
- on_tty();
- have_pager = !arg_no_pager && !arg_follow && pager_open();
+ if (!arg_follow)
+ pager_open_if_enabled();
+
+ 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 (;;) {
- for (;;) {
- int flags =
- arg_show_all * OUTPUT_SHOW_ALL |
- have_pager * OUTPUT_FULL_WIDTH |
- on_tty() * OUTPUT_COLOR;
+ while (arg_lines < 0 || n_shown < arg_lines || (arg_follow && !first_line)) {
+ int flags;
if (need_seek) {
- r = sd_journal_next(j);
+ if (!arg_reverse)
+ r = sd_journal_next(j);
+ else
+ r = sd_journal_previous(j);
if (r < 0) {
log_error("Failed to iterate through journal: %s", strerror(-r));
goto finish;
}
+ if (r == 0)
+ break;
}
- if (r == 0)
- break;
+ if (arg_until_set && !arg_reverse) {
+ 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 (usec > arg_until)
+ goto finish;
+ }
+
+ if (arg_since_set && arg_reverse) {
+ 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 (usec < arg_since)
+ goto finish;
+ }
if (!arg_merge) {
sd_id128_t boot_id;
@@ -880,36 +1718,54 @@ int main(int argc, char *argv[]) {
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");
+ printf("%s-- Reboot --%s\n",
+ ansi_highlight(), ansi_highlight_off());
previous_boot_id = boot_id;
previous_boot_id_valid = true;
}
}
- line ++;
+ flags =
+ arg_all * OUTPUT_SHOW_ALL |
+ arg_full * OUTPUT_FULL_WIDTH |
+ on_tty() * OUTPUT_COLOR |
+ arg_catalog * OUTPUT_CATALOG;
- r = output_journal(j, arg_output, line, 0, flags);
- if (r < 0)
+ r = output_journal(stdout, j, arg_output, 0, flags, &ellipsized);
+ need_seek = true;
+ if (r == -EADDRNOTAVAIL)
+ break;
+ else if (r < 0 || ferror(stdout))
goto finish;
- need_seek = true;
+ n_shown++;
}
- if (!arg_follow)
+ if (!arg_follow) {
+ if (arg_show_cursor) {
+ _cleanup_free_ char *cursor = NULL;
+
+ r = sd_journal_get_cursor(j, &cursor);
+ if (r < 0 && r != -EADDRNOTAVAIL)
+ log_error("Failed to get cursor: %s", strerror(-r));
+ else if (r >= 0)
+ printf("-- cursor: %s\n", cursor);
+ }
+
break;
+ }
r = sd_journal_wait(j, (uint64_t) -1);
if (r < 0) {
- log_error("Couldn't wait for log event: %s", strerror(-r));
+ log_error("Couldn't wait for journal event: %s", strerror(-r));
goto finish;
}
+
+ first_line = false;
}
finish:
- if (j)
- sd_journal_close(j);
-
pager_close();
return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;