#include <locale.h>
#include <fcntl.h>
+#include <fnmatch.h>
#include <errno.h>
#include <stddef.h>
#include <string.h>
#include "build.h"
#include "pager.h"
#include "strv.h"
+#include "set.h"
#include "journal-internal.h"
#include "journal-def.h"
#include "journal-verify.h"
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"
+ " --system Show the system journal\n"
+ " --user Show 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"
return -EINVAL;
}
+ if (arg_action != ACTION_SHOW && optind < argc) {
+ log_error("Extraneous arguments starting with '%s'", argv[optind]);
+ return -EINVAL;
+ }
+
return 1;
}
static int add_matches(sd_journal *j, char **args) {
char **i;
+ bool have_term = false;
assert(j);
STRV_FOREACH(i, args) {
int r;
- if (streq(*i, "+"))
+ if (streq(*i, "+")) {
+ if (!have_term)
+ break;
r = sd_journal_add_disjunction(j);
- else if (path_is_absolute(*i)) {
+ have_term = false;
+
+ } else if (path_is_absolute(*i)) {
_cleanup_free_ char *p, *t = NULL, *t2 = NULL;
const char *path;
_cleanup_free_ char *interpreter = NULL;
t = strappend("_COMM=", comm);
/* Append _EXE only if the interpreter is not a link.
- Otherwise it might be outdated often. */
+ Otherwise, it might be outdated often. */
if (lstat(interpreter, &st) == 0 &&
!S_ISLNK(st.st_mode)) {
t2 = strappend("_EXE=", interpreter);
}
} 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 {
+ } else if (S_ISCHR(st.st_mode)) {
+ if (asprintf(&t, "_KERNEL_DEVICE=c%u:%u",
+ major(st.st_rdev),
+ minor(st.st_rdev)) < 0)
+ return -ENOMEM;
+ } else if (S_ISBLK(st.st_mode)) {
+ if (asprintf(&t, "_KERNEL_DEVICE=b%u:%u",
+ major(st.st_rdev),
+ minor(st.st_rdev)) < 0)
+ return -ENOMEM;
+ } else {
log_error("File is neither a device node, nor regular file, nor executable: %s", *i);
return -EINVAL;
}
r = sd_journal_add_match(j, t, 0);
if (t2)
r = sd_journal_add_match(j, t2, 0);
- } else
+ have_term = true;
+
+ } else {
r = sd_journal_add_match(j, *i, 0);
+ have_term = true;
+ }
if (r < 0) {
log_error("Failed to add match '%s': %s", *i, strerror(-r));
}
}
+ if (!strv_isempty(args) && !have_term) {
+ log_error("\"+\" can only be used between terms");
+ return -EINVAL;
+ }
+
return 0;
}
return 0;
}
-static int add_units(sd_journal *j) {
- _cleanup_free_ char *u = NULL;
+static int get_possible_units(sd_journal *j,
+ const char *fields,
+ char **patterns,
+ Set **units) {
+ _cleanup_set_free_free_ Set *found;
+ const char *field;
int r;
+
+ found = set_new(string_hash_func, string_compare_func);
+ if (!found)
+ return log_oom();
+
+ NULSTR_FOREACH(field, fields) {
+ const void *data;
+ size_t size;
+
+ r = sd_journal_query_unique(j, field);
+ if (r < 0)
+ return r;
+
+ SD_JOURNAL_FOREACH_UNIQUE(j, data, size) {
+ char **pattern, *eq;
+ size_t prefix;
+ _cleanup_free_ char *u = NULL;
+
+ eq = memchr(data, '=', size);
+ if (eq)
+ prefix = eq - (char*) data + 1;
+ else
+ prefix = 0;
+
+ u = strndup((char*) data + prefix, size - prefix);
+ if (!u)
+ return log_oom();
+
+ STRV_FOREACH(pattern, patterns)
+ if (fnmatch(*pattern, u, FNM_NOESCAPE) == 0) {
+ log_debug("Matched %s with pattern %s=%s", u, field, *pattern);
+
+ r = set_consume(found, u);
+ u = NULL;
+ if (r < 0 && r != -EEXIST)
+ return r;
+
+ break;
+ }
+ }
+ }
+
+ *units = found;
+ found = NULL;
+ return 0;
+}
+
+/* This list is supposed to return the superset of unit names
+ * possibly matched by rules added with add_matches_for_unit... */
+#define SYSTEM_UNITS \
+ "_SYSTEMD_UNIT\0" \
+ "COREDUMP_UNIT\0" \
+ "UNIT\0" \
+ "OBJECT_SYSTEMD_UNIT\0" \
+ "_SYSTEMD_SLICE\0"
+
+/* ... and add_matches_for_user_unit */
+#define USER_UNITS \
+ "_SYSTEMD_USER_UNIT\0" \
+ "USER_UNIT\0" \
+ "COREDUMP_USER_UNIT\0" \
+ "OBJECT_SYSTEMD_USER_UNIT\0"
+
+static int add_units(sd_journal *j) {
+ _cleanup_strv_free_ char **patterns = NULL;
+ int r, count = 0;
char **i;
assert(j);
STRV_FOREACH(i, arg_system_units) {
- u = unit_name_mangle(*i, MANGLE_NOGLOB);
+ _cleanup_free_ char *u = NULL;
+
+ u = unit_name_mangle(*i, MANGLE_GLOB);
if (!u)
return log_oom();
- r = add_matches_for_unit(j, u);
- if (r < 0)
- return r;
- r = sd_journal_add_disjunction(j);
+
+ if (string_is_glob(u)) {
+ r = strv_push(&patterns, u);
+ if (r < 0)
+ return r;
+ u = NULL;
+ } else {
+ r = add_matches_for_unit(j, u);
+ if (r < 0)
+ return r;
+ r = sd_journal_add_disjunction(j);
+ if (r < 0)
+ return r;
+ count ++;
+ }
+ }
+
+ if (!strv_isempty(patterns)) {
+ _cleanup_set_free_free_ Set *units = NULL;
+ Iterator it;
+ char *u;
+
+ r = get_possible_units(j, SYSTEM_UNITS, patterns, &units);
if (r < 0)
return r;
+
+ SET_FOREACH(u, units, it) {
+ r = add_matches_for_unit(j, u);
+ if (r < 0)
+ return r;
+ r = sd_journal_add_disjunction(j);
+ if (r < 0)
+ return r;
+ count ++;
+ }
}
+ strv_free(patterns);
+ patterns = NULL;
+
STRV_FOREACH(i, arg_user_units) {
- u = unit_name_mangle(*i, MANGLE_NOGLOB);
+ _cleanup_free_ char *u = NULL;
+
+ u = unit_name_mangle(*i, MANGLE_GLOB);
if (!u)
return log_oom();
- r = add_matches_for_user_unit(j, u, getuid());
- if (r < 0)
- return r;
+ if (string_is_glob(u)) {
+ r = strv_push(&patterns, u);
+ if (r < 0)
+ return r;
+ u = NULL;
+ } else {
+ 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;
+ count ++;
+ }
+ }
+
+ if (!strv_isempty(patterns)) {
+ _cleanup_set_free_free_ Set *units = NULL;
+ Iterator it;
+ char *u;
- r = sd_journal_add_disjunction(j);
+ r = get_possible_units(j, USER_UNITS, patterns, &units);
if (r < 0)
return r;
+ SET_FOREACH(u, units, it) {
+ 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;
+ count ++;
+ }
}
+ /* Complain if the user request matches but nothing whatsoever was
+ * found, since otherwise everything would be matched. */
+ if (!(strv_isempty(arg_system_units) && strv_isempty(arg_user_units)) && count == 0)
+ return -ENODATA;
+
r = sd_journal_add_conjunction(j);
if (r < 0)
return r;
n = now(CLOCK_REALTIME);
n /= arg_interval;
- close_nointr_nofail(fd);
- fd = mkostemp(k, O_WRONLY|O_CLOEXEC|O_NOCTTY);
+ safe_close(fd);
+ fd = mkostemp_safe(k, O_WRONLY|O_CLOEXEC);
if (fd < 0) {
log_error("Failed to open %s: %m", k);
r = -errno;
r = 0;
finish:
- if (fd >= 0)
- close_nointr_nofail(fd);
+ safe_close(fd);
if (k) {
unlink(k);
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;
+ _cleanup_free_ char *database;
+
+ database = path_join(arg_root, CATALOG_DATABASE, NULL);
+ if (!database) {
+ r = log_oom();
+ goto finish;
}
if (arg_action == ACTION_UPDATE_CATALOG) {
}
if (arg_action == ACTION_DISK_USAGE) {
- uint64_t bytes;
+ uint64_t bytes = 0;
char sbytes[FORMAT_BYTES_MAX];
r = sd_journal_get_usage(j, &bytes);
strv_free(arg_system_units);
strv_free(arg_user_units);
- if (r < 0)
+ if (r < 0) {
+ log_error("Failed to add filter for units: %s", strerror(-r));
return EXIT_FAILURE;
+ }
r = add_priorities(j);
- if (r < 0)
+ if (r < 0) {
+ log_error("Failed to add filter for priorities: %s", strerror(-r));
return EXIT_FAILURE;
+ }
r = add_matches(j, argv + optind);
- if (r < 0)
+ if (r < 0) {
+ log_error("Failed to add filters: %s", strerror(-r));
return EXIT_FAILURE;
+ }
if (_unlikely_(log_get_max_level() >= LOG_PRI(LOG_DEBUG))) {
_cleanup_free_ char *filter;
}
if (arg_cursor || arg_after_cursor) {
- r = sd_journal_seek_cursor(j, arg_cursor ? arg_cursor : arg_after_cursor);
+ r = sd_journal_seek_cursor(j, arg_cursor ?: arg_after_cursor);
if (r < 0) {
log_error("Failed to seek to cursor: %s", strerror(-r));
return EXIT_FAILURE;
finish:
pager_close();
+ strv_free(arg_file);
+
return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
}
~ianmdlvl / elogind.git / blobdiff