Copyright 2011 Lennart Poettering
systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ 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
- General Public License for more details.
+ Lesser General Public License for more details.
- You should have received a copy of the GNU General Public License
+ 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 <sys/poll.h>
#include <time.h>
#include <getopt.h>
+#include <sys/stat.h>
#include <systemd/sd-journal.h>
#include "pager.h"
#include "logs-show.h"
+#define SD_JOURNALCTL_EXE "_EXE="
+
static OutputMode arg_output = OUTPUT_SHORT;
static bool arg_follow = false;
static bool arg_show_all = false;
static int arg_lines = -1;
static bool arg_no_tail = false;
static bool arg_new_id128 = false;
+static bool arg_quiet = false;
+static bool arg_local = false;
static int help(void) {
- printf("%s [OPTIONS...] {COMMAND} ...\n\n"
+ 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 properties, including long and unprintable\n"
+ " -a --all Show all fields, including long and unprintable\n"
" -f --follow Follow journal\n"
" -n --lines=INTEGER 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, cat)\n"
- " --new-id128 Generate a new 128 Bit id\n",
+ " -q --quiet Don't show privilege warning\n"
+ " --new-id128 Generate a new 128 Bit id\n"
+ " -l --local Only local entries\n",
program_invocation_short_name);
return 0;
{ "lines", required_argument, NULL, 'n' },
{ "no-tail", no_argument, NULL, ARG_NO_TAIL },
{ "new-id128", no_argument, NULL, ARG_NEW_ID128 },
+ { "quiet", no_argument, NULL, 'q' },
+ { "local", no_argument, NULL, 'l' },
{ NULL, 0, NULL, 0 }
};
assert(argc >= 0);
assert(argv);
- while ((c = getopt_long(argc, argv, "hfo:an:", options, NULL)) >= 0) {
+ while ((c = getopt_long(argc, argv, "hfo:an:ql", options, NULL)) >= 0) {
switch (c) {
arg_new_id128 = true;
break;
+ case 'q':
+ arg_quiet = true;
+ break;
+
+ case 'l':
+ arg_local = true;
+ break;
+
case '?':
return -EINVAL;
sd_journal *j = NULL;
unsigned line = 0;
bool need_seek = false;
+ struct stat st;
+ char* journal_exe_buff;
log_parse_environment();
log_open();
goto finish;
}
- r = sd_journal_open(&j, 0);
+#ifdef HAVE_ACL
+ 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 message off.");
+#endif
+
+ r = sd_journal_open(&j, arg_local ? SD_JOURNAL_LOCAL_ONLY : 0);
if (r < 0) {
log_error("Failed to open journal: %s", strerror(-r));
goto finish;
}
for (i = optind; i < argc; i++) {
- r = sd_journal_add_match(j, argv[i], strlen(argv[i]));
+ if (strchr(argv[i], '=')) {
+ r = sd_journal_add_match(j, argv[i], strlen(argv[i]));
+ } else {
+ if (stat(argv[i], &st) < 0) {
+ log_error("Failed to add match: %s", strerror(-r));
+ goto finish; /* maybe try sd_journal_add_match() when stat() fails,
+ * even thought we know there is no '=' ? */
+ } else if (S_ISREG(st.st_mode) &&
+ S_IXUSR & st.st_mode) {
+ journal_exe_buff = malloc(strlen(SD_JOURNALCTL_EXE) + strlen(argv[i]) + 1);
+ journal_exe_buff = strcpy(journal_exe_buff, SD_JOURNALCTL_EXE);
+ strncat(journal_exe_buff, argv[i], strlen(argv[i]));
+ r = sd_journal_add_match(j, journal_exe_buff, strlen(journal_exe_buff));
+ free(journal_exe_buff);
+ } else {
+ log_error("File is not a regular file or is not executable: %s", argv[i]);
+ goto finish;
+ }
+ }
if (r < 0) {
log_error("Failed to add match: %s", strerror(-r));
goto finish;
line ++;
- r = output_journal(j, arg_output, line, arg_show_all);
+ r = output_journal(j, arg_output, line, 0, arg_show_all);
if (r < 0)
goto finish;
if (!arg_follow)
break;
- r = fd_wait_for_event(fd, POLLIN);
+ r = fd_wait_for_event(fd, POLLIN, (usec_t) -1);
if (r < 0) {
log_error("Couldn't wait for event: %s", strerror(-r));
goto finish;
~ianmdlvl / elogind.git / blobdiff