X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fjournal%2Fjournalctl.c;h=38b2cdd5722988302cd3e070484d33465c9cf548;hb=a331b5e6d4724365bad9edeb9420c7e26e7f50da;hp=d1407abd9eb677af3c2c9ad1a30fc1a487307a2d;hpb=0901758558506273c0b7553dc3cae587f2b94290;p=elogind.git
diff --git a/src/journal/journalctl.c b/src/journal/journalctl.c
index d1407abd9..38b2cdd57 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
@@ -26,7 +27,6 @@
#include
#include
#include
-#include
#include
#include
#include
@@ -34,9 +34,15 @@
#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 "build.h"
@@ -50,29 +56,41 @@
#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_full = false;
static bool arg_all = false;
static bool arg_no_pager = false;
-static unsigned arg_lines = 0;
+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_id = false;
+static char *arg_boot_id_descriptor = NULL;
+static bool arg_dmesg = false;
static const char *arg_cursor = NULL;
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 const char *arg_unit = 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 const char *arg_root = NULL;
static enum {
ACTION_SHOW,
@@ -81,29 +99,47 @@ static enum {
ACTION_SETUP_KEYS,
ACTION_VERIFY,
ACTION_DISK_USAGE,
+ ACTION_LIST_CATALOG,
+ ACTION_DUMP_CATALOG,
+ ACTION_UPDATE_CATALOG
} arg_action = ACTION_SHOW;
+typedef struct boot_id_t {
+ sd_id128_t id;
+ uint64_t timestamp;
+} boot_id_t;
+
static int help(void) {
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 current user\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"
+ " -b --boot[=ID] Show data only from ID or current boot if unspecified\n"
+ " -k --dmesg Show kernel message log from 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 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-monotonic,\n"
" verbose, export, json, json-pretty, json-sse, cat)\n"
+ " -x --catalog Add message explanations where available\n"
+ " -l --full Do not ellipsize fields\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"
+ " --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"
@@ -115,8 +151,12 @@ static int help(void) {
" --header Show journal header information\n"
" --disk-usage Show total disk usage\n"
" -F --field=FIELD List all values a certain 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"
+ " --force Force overriding new FSS key pair with --setup-keys\n"
" --verify Verify journal file consistency\n"
#endif
, program_invocation_short_name);
@@ -131,32 +171,50 @@ static int parse_argv(int argc, char *argv[]) {
ARG_NO_PAGER,
ARG_NO_TAIL,
ARG_NEW_ID128,
+ ARG_USER,
+ ARG_SYSTEM,
+ ARG_ROOT,
ARG_HEADER,
ARG_SETUP_KEYS,
+ ARG_FILE,
ARG_INTERVAL,
ARG_VERIFY,
ARG_VERIFY_KEY,
ARG_DISK_USAGE,
ARG_SINCE,
- ARG_UNTIL
+ ARG_UNTIL,
+ 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 },
+ { "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' },
{ "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' },
+ { "boot", optional_argument, NULL, 'b' },
+ { "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", no_argument, NULL, 'p' },
+ { "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 },
@@ -166,7 +224,13 @@ static int parse_argv(int argc, char *argv[]) {
{ "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' },
{ NULL, 0, NULL, 0 }
};
@@ -175,7 +239,7 @@ static int parse_argv(int argc, char *argv[]) {
assert(argc >= 0);
assert(argv);
- while ((c = getopt_long(argc, argv, "hfo:an::qmbD:p:c:u:F:", options, NULL)) >= 0) {
+ while ((c = getopt_long(argc, argv, "hefo:aln::qmb::kD:p:c:u:F:xr", options, NULL)) >= 0) {
switch (c) {
@@ -185,7 +249,6 @@ static int parse_argv(int argc, char *argv[]) {
case ARG_VERSION:
puts(PACKAGE_STRING);
- puts(DISTRIBUTION);
puts(SYSTEMD_FEATURES);
return 0;
@@ -193,6 +256,14 @@ 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;
break;
@@ -213,19 +284,40 @@ static int parse_argv(int argc, char *argv[]) {
break;
+ case 'l':
+ arg_full = true;
+ break;
+
case 'a':
arg_all = true;
break;
case 'n':
if (optarg) {
- r = safe_atou(optarg, &arg_lines);
- if (r < 0 || arg_lines <= 0) {
+ r = safe_atoi(optarg, &arg_lines);
+ if (r < 0 || arg_lines < 0) {
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;
@@ -246,13 +338,43 @@ static int parse_argv(int argc, char *argv[]) {
break;
case 'b':
- arg_this_boot = true;
+ if (optarg)
+ arg_boot_id_descriptor = optarg;
+ else if (optind < argc && argv[optind][0] != '-') {
+ arg_boot_id_descriptor = argv[optind];
+ optind++;
+ }
+ arg_boot_id = true;
+ break;
+
+ case 'k':
+ arg_boot_id = 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 '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;
@@ -270,6 +392,10 @@ 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;
@@ -282,7 +408,7 @@ 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;
@@ -292,6 +418,7 @@ 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
@@ -365,7 +492,15 @@ static int parse_argv(int argc, char *argv[]) {
break;
case 'u':
- arg_unit = optarg;
+ 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 '?':
@@ -375,16 +510,41 @@ static int parse_argv(int argc, char *argv[]) {
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;
+
default:
log_error("Unknown option code %c", c);
return -EINVAL;
}
}
- if (arg_follow && !arg_no_tail && arg_lines <= 0)
+ 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) {
+ if (arg_directory && arg_file) {
+ log_error("Please specify either -D/--directory= or --file=, not both.");
+ return -EINVAL;
+ }
+
+ if (arg_since_set && arg_until_set && arg_since > arg_until) {
log_error("--since= must be before --until=.");
return -EINVAL;
}
@@ -394,6 +554,11 @@ static int parse_argv(int argc, char *argv[]) {
return -EINVAL;
}
+ if (arg_follow && arg_reverse) {
+ log_error("Please specify either --reverse= or --follow=, not both.");
+ return -EINVAL;
+ }
+
return 1;
}
@@ -413,30 +578,33 @@ 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;
const char *path;
struct stat st;
@@ -444,7 +612,6 @@ static int add_matches(sd_journal *j, char **args) {
path = p ? p : *i;
if (stat(path, &st) < 0) {
- free(p);
log_error("Couldn't stat file: %m");
return -errno;
}
@@ -456,18 +623,14 @@ static int add_matches(sd_journal *j, char **args) {
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);
} else
r = sd_journal_add_match(j, *i, 0);
@@ -480,20 +643,156 @@ static int add_matches(sd_journal *j, char **args) {
return 0;
}
-static int add_this_boot(sd_journal *j) {
+static int boot_id_cmp(const void *a, const void *b) {
+ uint64_t _a, _b;
+
+ _a = ((const boot_id_t *)a)->timestamp;
+ _b = ((const boot_id_t *)b)->timestamp;
+
+ return _a < _b ? -1 : (_a > _b ? 1 : 0);
+}
+
+static int get_relative_boot_id(sd_journal *j, sd_id128_t *boot_id, int relative) {
+ int r;
+ const void *data;
+ unsigned int id_count = 0;
+ size_t length, allocated = 0;
+ boot_id_t ref_boot_id, *id;
+ _cleanup_free_ boot_id_t *all_ids = NULL;
+ bool find_first_boot = false, ref_boot_found = false;
+
+ assert(j);
+ assert(boot_id);
+
+ if (relative == 0)
+ return 0;
+
+ if (sd_id128_equal(*boot_id, SD_ID128_NULL) && relative > 0) {
+ find_first_boot = true;
+ relative--;
+ }
+
+ 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, id_count + 1))
+ return log_oom();
+
+ id = &all_ids[id_count];
+
+ r = sd_id128_from_string(((const char *)data) + strlen("_BOOT_ID="), &id->id);
+ if (r < 0) {
+ continue;
+ }
+
+ sd_journal_flush_matches(j);
+ r = sd_journal_add_match(j, data, length);
+ if (r < 0)
+ continue;
+
+ r = sd_journal_seek_head(j);
+ if (r < 0)
+ continue;
+
+ r = sd_journal_next(j);
+ if (r <= 0)
+ continue;
+
+ r = sd_journal_get_realtime_usec(j, &id->timestamp);
+ if (r < 0)
+ continue;
+
+ if (!find_first_boot && sd_id128_equal(id->id, *boot_id)) {
+ ref_boot_id = *id;
+ ref_boot_found = true;
+ }
+
+ id_count++;
+ }
+
+ *boot_id = SD_ID128_NULL;
+ sd_journal_flush_matches(j);
+
+ if (id_count == 0 || (!find_first_boot && !ref_boot_found))
+ return 0;
+
+ qsort(all_ids, id_count, sizeof(boot_id_t), boot_id_cmp);
+ if (find_first_boot)
+ id = all_ids;
+ else
+ id = bsearch(&ref_boot_id, all_ids, id_count, sizeof(boot_id_t), boot_id_cmp);
+
+ if (!id || (relative < 0 && ((id - all_ids) + relative) < 0) ||
+ (relative >= 0 && (unsigned long)((id - all_ids) + relative) >= id_count))
+ return 0;
+
+ id += relative;
+ *boot_id = id->id;
+ return 0;
+}
+
+static int add_boot(sd_journal *j) {
char match[9+32+1] = "_BOOT_ID=";
+ char *marker;
sd_id128_t boot_id;
- int r;
+ int r, relative = 0;
assert(j);
- if (!arg_this_boot)
+ if (!arg_boot_id)
return 0;
- r = sd_id128_get_boot(&boot_id);
+ if (arg_boot_id_descriptor) {
+ marker = strchr(arg_boot_id_descriptor, ':');
+ if (marker) {
+ *marker = '\0';
+ marker++;
+
+ if (*marker == '\0')
+ relative = -1;
+ else {
+ r = safe_atoi(marker, &relative);
+ if (r < 0) {
+ log_error("Failed to parse relative boot ID number '%s'", marker);
+ return -EINVAL;
+ }
+ }
+ }
+ }
+
+ if (isempty(arg_boot_id_descriptor)) {
+ if (relative > 0) {
+ /* We cannot look into the future. Instead, we look
+ * into the past (starting from first boot). The ID
+ * will be looked up later */
+ boot_id = SD_ID128_NULL;
+ } else {
+ r = sd_id128_get_boot(&boot_id);
+ if (r < 0) {
+ log_error("Failed to get boot ID: %s", strerror(-r));
+ return r;
+ }
+ }
+ } else {
+ r = sd_id128_from_string(arg_boot_id_descriptor, &boot_id);
+ if (r < 0) {
+ log_error("Failed to parse boot ID: %s", strerror(-r));
+ return r;
+ }
+ }
+
+ r = get_relative_boot_id(j, &boot_id, relative);
if (r < 0) {
- log_error("Failed to get boot id: %s", strerror(-r));
+ log_error("Failed to look up boot ID: %s", strerror(-r));
return r;
+ } else if (sd_id128_equal(boot_id, SD_ID128_NULL)) {
+ log_error("Failed to find boot ID");
+ return -1;
}
sd_id128_to_string(boot_id, match + 9);
@@ -503,39 +802,77 @@ static int add_this_boot(sd_journal *j) {
return r;
}
+ r = sd_journal_add_conjunction(j);
+ if (r < 0)
+ return r;
+
return 0;
}
-static int add_unit(sd_journal *j) {
- _cleanup_free_ char *m = NULL, *u = NULL;
+static int add_dmesg(sd_journal *j) {
int r;
-
assert(j);
- if (isempty(arg_unit))
+ if (!arg_dmesg)
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));
+ 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)
@@ -552,6 +889,10 @@ static int add_priorities(sd_journal *j) {
}
}
+ r = sd_journal_add_conjunction(j);
+ if (r < 0)
+ return r;
+
return 0;
}
@@ -565,6 +906,19 @@ 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) {
@@ -583,9 +937,18 @@ 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",
@@ -705,12 +1068,12 @@ static int setup_keys(void) {
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));
@@ -779,10 +1142,10 @@ static int verify(sd_journal *j) {
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));
+ 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), last - first));
+ format_timespan(c, sizeof(c), last - first, 0));
else
log_info("=> No sealing yet, no entries in file.");
}
@@ -792,34 +1155,124 @@ static int verify(sd_journal *j) {
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;
+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 (!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;
+ 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);
+ }
}
-#endif
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;
+ _cleanup_journal_close_ sd_journal*j = NULL;
bool need_seek = false;
sd_id128_t previous_boot_id;
- bool previous_boot_id_valid = false;
- unsigned n_shown = 0;
+ bool previous_boot_id_valid = false, first_line = true;
+ int n_shown = 0;
+ setlocale(LC_ALL, "");
log_parse_environment();
log_open();
@@ -839,19 +1292,58 @@ int main(int argc, char *argv[]) {
goto finish;
}
- r = access_check();
- if (r < 0)
+ 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
- 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;
@@ -859,8 +1351,7 @@ 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) {
@@ -869,43 +1360,60 @@ 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;
}
- r = add_this_boot(j);
+ /* 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)
- goto finish;
+ return EXIT_FAILURE;
- r = add_unit(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;
+
+ r = add_matches(j, argv + optind);
+ if (r < 0)
+ return EXIT_FAILURE;
+
+ log_debug("Journal filter: %s", j->level0 ? journal_make_match_string(j) : "none");
if (arg_field) {
const void *data;
size_t size;
+ r = sd_journal_set_data_threshold(j, 0);
+ if (r < 0) {
+ log_error("Failed to unset data size threshold");
+ return EXIT_FAILURE;
+ }
+
r = sd_journal_query_unique(j, arg_field);
if (r < 0) {
log_error("Failed to query unique data objects: %s", strerror(-r));
- goto finish;
+ return EXIT_FAILURE;
}
SD_JOURNAL_FOREACH_UNIQUE(j, data, size) {
const void *eq;
- if (arg_lines > 0 && n_shown >= arg_lines)
+ if (arg_lines >= 0 && n_shown >= arg_lines)
break;
eq = memchr(data, '=', size);
@@ -917,41 +1425,66 @@ int main(int argc, char *argv[]) {
n_shown ++;
}
- r = 0;
- goto finish;
+ return EXIT_SUCCESS;
+ }
+
+ /* 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) {
r = sd_journal_seek_cursor(j, arg_cursor);
if (r < 0) {
log_error("Failed to seek to cursor: %s", strerror(-r));
- goto finish;
+ return EXIT_FAILURE;
}
+ if (!arg_reverse)
+ r = sd_journal_next(j);
+ else
+ r = sd_journal_previous(j);
- r = sd_journal_next(j);
-
- } else if (arg_since_set) {
+ } 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));
- goto finish;
+ return EXIT_FAILURE;
}
r = sd_journal_next(j);
- } else if (arg_lines > 0) {
+ } 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);
@@ -959,11 +1492,11 @@ int main(int argc, char *argv[]) {
if (r < 0) {
log_error("Failed to iterate through journal: %s", strerror(-r));
- goto finish;
+ return EXIT_FAILURE;
}
if (!arg_no_pager && !arg_follow)
- pager_open();
+ pager_open(arg_pager_end);
if (!arg_quiet) {
usec_t start, end;
@@ -987,21 +1520,35 @@ int main(int argc, char *argv[]) {
}
for (;;) {
- while (arg_lines == 0 || arg_follow || n_shown < arg_lines) {
+ 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_until_set) {
+ if (arg_since_set && arg_reverse) {
usec_t usec;
r = sd_journal_get_realtime_usec(j, &usec);
@@ -1009,16 +1556,20 @@ int main(int argc, char *argv[]) {
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;
+ const char *color_on = on_tty() ? ANSI_HIGHLIGHT_ON : "",
+ *color_off = on_tty() ? ANSI_HIGHLIGHT_OFF : "";
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");
+ printf("%s-- Reboot --%s\n", color_on, color_off);
previous_boot_id = boot_id;
previous_boot_id_valid = true;
@@ -1027,14 +1578,17 @@ int main(int argc, char *argv[]) {
flags =
arg_all * OUTPUT_SHOW_ALL |
- (!on_tty() || pager_have()) * OUTPUT_FULL_WIDTH |
- on_tty() * OUTPUT_COLOR;
+ (arg_full || !on_tty() || pager_have()) * OUTPUT_FULL_WIDTH |
+ on_tty() * OUTPUT_COLOR |
+ arg_catalog * OUTPUT_CATALOG;
r = output_journal(stdout, j, arg_output, 0, flags);
- if (r < 0)
+ need_seek = true;
+ if (r == -EADDRNOTAVAIL)
+ break;
+ else if (r < 0 || ferror(stdout))
goto finish;
- need_seek = true;
n_shown++;
}
@@ -1046,12 +1600,11 @@ int main(int argc, char *argv[]) {
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;