diff options
Diffstat (limited to 'src/journal/journalctl.c')
-rw-r--r-- | src/journal/journalctl.c | 132 |
1 files changed, 85 insertions, 47 deletions
diff --git a/src/journal/journalctl.c b/src/journal/journalctl.c index 2d6ecfb750..28ccb80661 100644 --- a/src/journal/journalctl.c +++ b/src/journal/journalctl.c @@ -19,48 +19,47 @@ along with systemd; If not, see <http://www.gnu.org/licenses/>. ***/ -#include <locale.h> +#include <errno.h> #include <fcntl.h> #include <fnmatch.h> -#include <errno.h> +#include <getopt.h> +#include <linux/fs.h> +#include <locale.h> +#include <poll.h> +#include <signal.h> #include <stddef.h> -#include <string.h> #include <stdio.h> -#include <unistd.h> #include <stdlib.h> -#include <getopt.h> -#include <signal.h> -#include <poll.h> -#include <sys/stat.h> +#include <string.h> #include <sys/inotify.h> -#include <linux/fs.h> +#include <sys/stat.h> +#include <unistd.h> -#include "sd-journal.h" #include "sd-bus.h" -#include "log.h" -#include "logs-show.h" -#include "util.h" +#include "sd-journal.h" + #include "acl-util.h" -#include "path-util.h" +#include "bus-error.h" +#include "bus-util.h" +#include "catalog.h" #include "fileio.h" -#include "build.h" -#include "pager.h" -#include "strv.h" -#include "set.h" -#include "sigbus.h" -#include "journal-internal.h" +#include "fsprg.h" +#include "hostname-util.h" #include "journal-def.h" -#include "journal-verify.h" +#include "journal-internal.h" #include "journal-qrcode.h" #include "journal-vacuum.h" -#include "fsprg.h" -#include "unit-name.h" -#include "catalog.h" +#include "journal-verify.h" +#include "log.h" +#include "logs-show.h" #include "mkdir.h" -#include "bus-util.h" -#include "bus-error.h" +#include "pager.h" +#include "path-util.h" +#include "set.h" +#include "sigbus.h" +#include "strv.h" #include "terminal-util.h" -#include "hostname-util.h" +#include "unit-name.h" #define DEFAULT_FSS_INTERVAL_USEC (15*USEC_PER_MINUTE) @@ -107,7 +106,7 @@ static bool arg_reverse = false; static int arg_journal_type = 0; static const char *arg_root = NULL; static const char *arg_machine = NULL; -static off_t arg_vacuum_size = (off_t) -1; +static uint64_t arg_vacuum_size = (uint64_t) -1; static usec_t arg_vacuum_time = USEC_INFINITY; static enum { @@ -122,6 +121,7 @@ static enum { ACTION_UPDATE_CATALOG, ACTION_LIST_BOOTS, ACTION_FLUSH, + ACTION_ROTATE, ACTION_VACUUM, } arg_action = ACTION_SHOW; @@ -237,6 +237,7 @@ static void help(void) { " --vacuum-size=BYTES Reduce disk usage below specified size\n" " --vacuum-time=TIME Remove journal files older than specified date\n" " --flush Flush all journal data from /run into /var\n" + " --rotate Request immediate rotation of the journal files\n" " --header Show journal header information\n" " --list-catalog Show all message IDs in the catalog\n" " --dump-catalog Show entries in the message catalog\n" @@ -278,6 +279,7 @@ static int parse_argv(int argc, char *argv[]) { ARG_FORCE, ARG_UTC, ARG_FLUSH, + ARG_ROTATE, ARG_VACUUM_SIZE, ARG_VACUUM_TIME, }; @@ -331,6 +333,7 @@ static int parse_argv(int argc, char *argv[]) { { "machine", required_argument, NULL, 'M' }, { "utc", no_argument, NULL, ARG_UTC }, { "flush", no_argument, NULL, ARG_FLUSH }, + { "rotate", no_argument, NULL, ARG_ROTATE }, { "vacuum-size", required_argument, NULL, ARG_VACUUM_SIZE }, { "vacuum-time", required_argument, NULL, ARG_VACUUM_TIME }, {} @@ -350,9 +353,7 @@ static int parse_argv(int argc, char *argv[]) { return 0; case ARG_VERSION: - puts(PACKAGE_STRING); - puts(SYSTEMD_FEATURES); - return 0; + return version(); case ARG_NO_PAGER: arg_no_pager = true; @@ -699,6 +700,10 @@ static int parse_argv(int argc, char *argv[]) { arg_action = ACTION_FLUSH; break; + case ARG_ROTATE: + arg_action = ACTION_ROTATE; + break; + case '?': return -EINVAL; @@ -1259,8 +1264,7 @@ static int add_units(sd_journal *j) { } } - strv_free(patterns); - patterns = NULL; + patterns = strv_free(patterns); STRV_FOREACH(i, arg_user_units) { _cleanup_free_ char *u = NULL; @@ -1429,8 +1433,7 @@ static int setup_keys(void) { fd = open("/dev/random", O_RDONLY|O_CLOEXEC|O_NOCTTY); if (fd < 0) { - log_error_errno(errno, "Failed to open /dev/random: %m"); - r = -errno; + r = log_error_errno(errno, "Failed to open /dev/random: %m"); goto finish; } @@ -1455,8 +1458,7 @@ static int setup_keys(void) { safe_close(fd); fd = mkostemp_safe(k, O_WRONLY|O_CLOEXEC); if (fd < 0) { - log_error_errno(errno, "Failed to open %s: %m", k); - r = -errno; + r = log_error_errno(errno, "Failed to open %s: %m", k); goto finish; } @@ -1489,23 +1491,22 @@ static int setup_keys(void) { } if (link(k, p) < 0) { - log_error_errno(errno, "Failed to link file: %m"); - r = -errno; + r = log_error_errno(errno, "Failed to link file: %m"); 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 new key pair has been generated. The " ANSI_HIGHLIGHT "secret sealing key" ANSI_NORMAL " 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" + "Please write down the following " ANSI_HIGHLIGHT "secret verification key" ANSI_NORMAL ". 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); + "\n\t" ANSI_HIGHLIGHT_RED, p); fflush(stderr); } for (i = 0; i < seed_size; i++) { @@ -1520,14 +1521,14 @@ static int setup_keys(void) { char tsb[FORMAT_TIMESPAN_MAX], *hn; fprintf(stderr, - ANSI_HIGHLIGHT_OFF "\n" + ANSI_NORMAL "\n" "The sealing key is automatically changed every %s.\n", format_timespan(tsb, sizeof(tsb), arg_interval, 0)); hn = gethostname_malloc(); if (hn) { - hostname_cleanup(hn, false); + 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)); @@ -1584,7 +1585,7 @@ static int verify(sd_journal *j) { /* If the key was invalid give up right-away. */ return k; } else if (k < 0) { - log_warning("FAIL: %s (%s)", f->path, strerror(-k)); + log_warning_errno(k, "FAIL: %s (%m)", f->path); r = k; } else { char a[FORMAT_TIMESTAMP_MAX], b[FORMAT_TIMESTAMP_MAX], c[FORMAT_TIMESPAN_MAX]; @@ -1729,7 +1730,7 @@ static int flush_to_var(void) { /* OK, let's actually do the full logic, send SIGUSR1 to the * daemon and set up inotify to wait for the flushed file to appear */ - r = bus_open_system_systemd(&bus); + r = bus_connect_system_systemd(&bus); if (r < 0) return log_error_errno(r, "Failed to get D-Bus connection: %m"); @@ -1776,6 +1777,30 @@ static int flush_to_var(void) { return 0; } +static int rotate(void) { + _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; + _cleanup_bus_flush_close_unref_ sd_bus *bus = NULL; + int r; + + r = bus_connect_system_systemd(&bus); + if (r < 0) + return log_error_errno(r, "Failed to get D-Bus connection: %m"); + + r = sd_bus_call_method( + bus, + "org.freedesktop.systemd1", + "/org/freedesktop/systemd1", + "org.freedesktop.systemd1.Manager", + "KillUnit", + &error, + NULL, + "ssi", "systemd-journald.service", "main", SIGUSR2); + if (r < 0) + return log_error_errno(r, "Failed to kill journal service: %s", bus_error_message(&error, r)); + + return 0; +} + int main(int argc, char *argv[]) { int r; _cleanup_journal_close_ sd_journal *j = NULL; @@ -1811,6 +1836,11 @@ int main(int argc, char *argv[]) { goto finish; } + if (arg_action == ACTION_ROTATE) { + r = rotate(); + goto finish; + } + if (arg_action == ACTION_SETUP_KEYS) { r = setup_keys(); goto finish; @@ -2066,6 +2096,14 @@ int main(int argc, char *argv[]) { log_error_errno(r, "Failed to iterate through journal: %m"); goto finish; } + if (r == 0) { + if (arg_follow) + need_seek = true; + else { + printf("-- No entries --\n"); + goto finish; + } + } if (!arg_follow) pager_open_if_enabled(); @@ -2140,7 +2178,7 @@ int main(int argc, char *argv[]) { if (previous_boot_id_valid && !sd_id128_equal(boot_id, previous_boot_id)) printf("%s-- Reboot --%s\n", - ansi_highlight(), ansi_highlight_off()); + ansi_highlight(), ansi_normal()); previous_boot_id = boot_id; previous_boot_id_valid = true; |