#include <sys/uio.h>
#include <unistd.h>
+#include "sd-event.h"
+
#include "alloc-util.h"
#include "btrfs-util.h"
#include "chattr-util.h"
#include "compress.h"
#include "fd-util.h"
+#include "format-util.h"
#include "fs-util.h"
#include "journal-authenticate.h"
#include "journal-def.h"
#include "journal-file.h"
#include "lookup3.h"
-#include "parse-util.h"
+#include "memory-util.h"
#include "path-util.h"
#include "random-util.h"
-#include "sd-event.h"
#include "set.h"
+#include "sort-util.h"
#include "stat-util.h"
#include "string-util.h"
#include "strv.h"
sigset_t ss, saved_ss;
int k;
- if (sigfillset(&ss) < 0)
- return -errno;
+ assert_se(sigfillset(&ss) >= 0);
+ /* Don't block SIGBUS since the offlining thread accesses a memory mapped file.
+ * Asynchronous SIGBUS signals can safely be handled by either thread. */
+ assert_se(sigdelset(&ss, SIGBUS) >= 0);
r = pthread_sigmask(SIG_BLOCK, &ss, &saved_ss);
if (r > 0)
}
JournalFile* journal_file_close(JournalFile *f) {
- assert(f);
+ if (!f)
+ return NULL;
#if HAVE_GCRYPT
/* Write the final tag */
if (sd_event_source_get_enabled(f->post_change_timer, NULL) > 0)
journal_file_post_change(f);
- (void) sd_event_source_set_enabled(f->post_change_timer, SD_EVENT_OFF);
- sd_event_source_unref(f->post_change_timer);
+ sd_event_source_disable_unref(f->post_change_timer);
}
journal_file_set_offline(f, true);
if (state == STATE_ARCHIVED)
return -ESHUTDOWN; /* Already archived */
- else if (state == STATE_ONLINE) {
- log_debug("Journal file %s is already online. Assuming unclean closing.", f->path);
- return -EBUSY;
- } else if (state != STATE_OFFLINE) {
- log_debug("Journal file %s has unknown state %i.", f->path, state);
- return -EBUSY;
- }
+ else if (state == STATE_ONLINE)
+ return log_debug_errno(SYNTHETIC_ERRNO(EBUSY),
+ "Journal file %s is already online. Assuming unclean closing.",
+ f->path);
+ else if (state != STATE_OFFLINE)
+ return log_debug_errno(SYNTHETIC_ERRNO(EBUSY),
+ "Journal file %s has unknown state %i.",
+ f->path, state);
if (f->header->field_hash_table_size == 0 || f->header->data_hash_table_size == 0)
return -EBADMSG;
/* Don't permit appending to files from the future. Because otherwise the realtime timestamps wouldn't
* be strictly ordered in the entries in the file anymore, and we can't have that since it breaks
* bisection. */
- if (le64toh(f->header->tail_entry_realtime) > now(CLOCK_REALTIME)) {
- log_debug("Journal file %s is from the future, refusing to append new data to it that'd be older.", f->path);
- return -ETXTBSY;
- }
+ if (le64toh(f->header->tail_entry_realtime) > now(CLOCK_REALTIME))
+ return log_debug_errno(SYNTHETIC_ERRNO(ETXTBSY),
+ "Journal file %s is from the future, refusing to append new data to it that'd be older.",
+ f->path);
}
f->compress_xz = JOURNAL_HEADER_COMPRESSED_XZ(f->header);
switch (o->object.type) {
case OBJECT_DATA: {
- if ((le64toh(o->data.entry_offset) == 0) ^ (le64toh(o->data.n_entries) == 0)) {
- log_debug("Bad n_entries: %"PRIu64": %"PRIu64,
- le64toh(o->data.n_entries), offset);
- return -EBADMSG;
- }
-
- if (le64toh(o->object.size) - offsetof(DataObject, payload) <= 0) {
- log_debug("Bad object size (<= %zu): %"PRIu64": %"PRIu64,
- offsetof(DataObject, payload),
- le64toh(o->object.size),
- offset);
- return -EBADMSG;
- }
+ if ((le64toh(o->data.entry_offset) == 0) ^ (le64toh(o->data.n_entries) == 0))
+ return log_debug_errno(SYNTHETIC_ERRNO(EBADMSG),
+ "Bad n_entries: %" PRIu64 ": %" PRIu64,
+ le64toh(o->data.n_entries),
+ offset);
+
+ if (le64toh(o->object.size) - offsetof(DataObject, payload) <= 0)
+ return log_debug_errno(SYNTHETIC_ERRNO(EBADMSG),
+ "Bad object size (<= %zu): %" PRIu64 ": %" PRIu64,
+ offsetof(DataObject, payload),
+ le64toh(o->object.size),
+ offset);
if (!VALID64(le64toh(o->data.next_hash_offset)) ||
!VALID64(le64toh(o->data.next_field_offset)) ||
!VALID64(le64toh(o->data.entry_offset)) ||
- !VALID64(le64toh(o->data.entry_array_offset))) {
- log_debug("Invalid offset, next_hash_offset="OFSfmt", next_field_offset="OFSfmt
- ", entry_offset="OFSfmt", entry_array_offset="OFSfmt": %"PRIu64,
- le64toh(o->data.next_hash_offset),
- le64toh(o->data.next_field_offset),
- le64toh(o->data.entry_offset),
- le64toh(o->data.entry_array_offset),
- offset);
- return -EBADMSG;
- }
+ !VALID64(le64toh(o->data.entry_array_offset)))
+ return log_debug_errno(SYNTHETIC_ERRNO(EBADMSG),
+ "Invalid offset, next_hash_offset=" OFSfmt ", next_field_offset=" OFSfmt ", entry_offset=" OFSfmt ", entry_array_offset=" OFSfmt ": %" PRIu64,
+ le64toh(o->data.next_hash_offset),
+ le64toh(o->data.next_field_offset),
+ le64toh(o->data.entry_offset),
+ le64toh(o->data.entry_array_offset),
+ offset);
break;
}
case OBJECT_FIELD:
- if (le64toh(o->object.size) - offsetof(FieldObject, payload) <= 0) {
- log_debug(
- "Bad field size (<= %zu): %"PRIu64": %"PRIu64,
- offsetof(FieldObject, payload),
- le64toh(o->object.size),
- offset);
- return -EBADMSG;
- }
+ if (le64toh(o->object.size) - offsetof(FieldObject, payload) <= 0)
+ return log_debug_errno(SYNTHETIC_ERRNO(EBADMSG),
+ "Bad field size (<= %zu): %" PRIu64 ": %" PRIu64,
+ offsetof(FieldObject, payload),
+ le64toh(o->object.size),
+ offset);
if (!VALID64(le64toh(o->field.next_hash_offset)) ||
- !VALID64(le64toh(o->field.head_data_offset))) {
- log_debug(
- "Invalid offset, next_hash_offset="OFSfmt
- ", head_data_offset="OFSfmt": %"PRIu64,
- le64toh(o->field.next_hash_offset),
- le64toh(o->field.head_data_offset),
- offset);
- return -EBADMSG;
- }
+ !VALID64(le64toh(o->field.head_data_offset)))
+ return log_debug_errno(SYNTHETIC_ERRNO(EBADMSG),
+ "Invalid offset, next_hash_offset=" OFSfmt ", head_data_offset=" OFSfmt ": %" PRIu64,
+ le64toh(o->field.next_hash_offset),
+ le64toh(o->field.head_data_offset),
+ offset);
break;
case OBJECT_ENTRY:
- if ((le64toh(o->object.size) - offsetof(EntryObject, items)) % sizeof(EntryItem) != 0) {
- log_debug(
- "Bad entry size (<= %zu): %"PRIu64": %"PRIu64,
- offsetof(EntryObject, items),
- le64toh(o->object.size),
- offset);
- return -EBADMSG;
- }
-
- if ((le64toh(o->object.size) - offsetof(EntryObject, items)) / sizeof(EntryItem) <= 0) {
- log_debug(
- "Invalid number items in entry: %"PRIu64": %"PRIu64,
- (le64toh(o->object.size) - offsetof(EntryObject, items)) / sizeof(EntryItem),
- offset);
- return -EBADMSG;
- }
-
- if (le64toh(o->entry.seqnum) <= 0) {
- log_debug(
- "Invalid entry seqnum: %"PRIx64": %"PRIu64,
- le64toh(o->entry.seqnum),
- offset);
- return -EBADMSG;
- }
-
- if (!VALID_REALTIME(le64toh(o->entry.realtime))) {
- log_debug(
- "Invalid entry realtime timestamp: %"PRIu64": %"PRIu64,
- le64toh(o->entry.realtime),
- offset);
- return -EBADMSG;
- }
-
- if (!VALID_MONOTONIC(le64toh(o->entry.monotonic))) {
- log_debug(
- "Invalid entry monotonic timestamp: %"PRIu64": %"PRIu64,
- le64toh(o->entry.monotonic),
- offset);
- return -EBADMSG;
- }
+ if ((le64toh(o->object.size) - offsetof(EntryObject, items)) % sizeof(EntryItem) != 0)
+ return log_debug_errno(SYNTHETIC_ERRNO(EBADMSG),
+ "Bad entry size (<= %zu): %" PRIu64 ": %" PRIu64,
+ offsetof(EntryObject, items),
+ le64toh(o->object.size),
+ offset);
+
+ if ((le64toh(o->object.size) - offsetof(EntryObject, items)) / sizeof(EntryItem) <= 0)
+ return log_debug_errno(SYNTHETIC_ERRNO(EBADMSG),
+ "Invalid number items in entry: %" PRIu64 ": %" PRIu64,
+ (le64toh(o->object.size) - offsetof(EntryObject, items)) / sizeof(EntryItem),
+ offset);
+
+ if (le64toh(o->entry.seqnum) <= 0)
+ return log_debug_errno(SYNTHETIC_ERRNO(EBADMSG),
+ "Invalid entry seqnum: %" PRIx64 ": %" PRIu64,
+ le64toh(o->entry.seqnum),
+ offset);
+
+ if (!VALID_REALTIME(le64toh(o->entry.realtime)))
+ return log_debug_errno(SYNTHETIC_ERRNO(EBADMSG),
+ "Invalid entry realtime timestamp: %" PRIu64 ": %" PRIu64,
+ le64toh(o->entry.realtime),
+ offset);
+
+ if (!VALID_MONOTONIC(le64toh(o->entry.monotonic)))
+ return log_debug_errno(SYNTHETIC_ERRNO(EBADMSG),
+ "Invalid entry monotonic timestamp: %" PRIu64 ": %" PRIu64,
+ le64toh(o->entry.monotonic),
+ offset);
break;
case OBJECT_DATA_HASH_TABLE:
case OBJECT_FIELD_HASH_TABLE:
if ((le64toh(o->object.size) - offsetof(HashTableObject, items)) % sizeof(HashItem) != 0 ||
- (le64toh(o->object.size) - offsetof(HashTableObject, items)) / sizeof(HashItem) <= 0) {
- log_debug(
- "Invalid %s hash table size: %"PRIu64": %"PRIu64,
- o->object.type == OBJECT_DATA_HASH_TABLE ? "data" : "field",
- le64toh(o->object.size),
- offset);
- return -EBADMSG;
- }
+ (le64toh(o->object.size) - offsetof(HashTableObject, items)) / sizeof(HashItem) <= 0)
+ return log_debug_errno(SYNTHETIC_ERRNO(EBADMSG),
+ "Invalid %s hash table size: %" PRIu64 ": %" PRIu64,
+ o->object.type == OBJECT_DATA_HASH_TABLE ? "data" : "field",
+ le64toh(o->object.size),
+ offset);
break;
case OBJECT_ENTRY_ARRAY:
if ((le64toh(o->object.size) - offsetof(EntryArrayObject, items)) % sizeof(le64_t) != 0 ||
- (le64toh(o->object.size) - offsetof(EntryArrayObject, items)) / sizeof(le64_t) <= 0) {
- log_debug(
- "Invalid object entry array size: %"PRIu64": %"PRIu64,
- le64toh(o->object.size),
- offset);
- return -EBADMSG;
- }
-
- if (!VALID64(le64toh(o->entry_array.next_entry_array_offset))) {
- log_debug(
- "Invalid object entry array next_entry_array_offset: "OFSfmt": %"PRIu64,
- le64toh(o->entry_array.next_entry_array_offset),
- offset);
- return -EBADMSG;
- }
+ (le64toh(o->object.size) - offsetof(EntryArrayObject, items)) / sizeof(le64_t) <= 0)
+ return log_debug_errno(SYNTHETIC_ERRNO(EBADMSG),
+ "Invalid object entry array size: %" PRIu64 ": %" PRIu64,
+ le64toh(o->object.size),
+ offset);
+
+ if (!VALID64(le64toh(o->entry_array.next_entry_array_offset)))
+ return log_debug_errno(SYNTHETIC_ERRNO(EBADMSG),
+ "Invalid object entry array next_entry_array_offset: " OFSfmt ": %" PRIu64,
+ le64toh(o->entry_array.next_entry_array_offset),
+ offset);
break;
case OBJECT_TAG:
- if (le64toh(o->object.size) != sizeof(TagObject)) {
- log_debug(
- "Invalid object tag size: %"PRIu64": %"PRIu64,
- le64toh(o->object.size),
- offset);
- return -EBADMSG;
- }
+ if (le64toh(o->object.size) != sizeof(TagObject))
+ return log_debug_errno(SYNTHETIC_ERRNO(EBADMSG),
+ "Invalid object tag size: %" PRIu64 ": %" PRIu64,
+ le64toh(o->object.size),
+ offset);
- if (!VALID_EPOCH(le64toh(o->tag.epoch))) {
- log_debug(
- "Invalid object tag epoch: %"PRIu64": %"PRIu64,
- le64toh(o->tag.epoch),
- offset);
- return -EBADMSG;
- }
+ if (!VALID_EPOCH(le64toh(o->tag.epoch)))
+ return log_debug_errno(SYNTHETIC_ERRNO(EBADMSG),
+ "Invalid object tag epoch: %" PRIu64 ": %" PRIu64,
+ le64toh(o->tag.epoch), offset);
break;
}
assert(ret);
/* Objects may only be located at multiple of 64 bit */
- if (!VALID64(offset)) {
- log_debug("Attempt to move to object at non-64bit boundary: %" PRIu64, offset);
- return -EBADMSG;
- }
+ if (!VALID64(offset))
+ return log_debug_errno(SYNTHETIC_ERRNO(EBADMSG),
+ "Attempt to move to object at non-64bit boundary: %" PRIu64,
+ offset);
/* Object may not be located in the file header */
- if (offset < le64toh(f->header->header_size)) {
- log_debug("Attempt to move to object located in file header: %" PRIu64, offset);
- return -EBADMSG;
- }
+ if (offset < le64toh(f->header->header_size))
+ return log_debug_errno(SYNTHETIC_ERRNO(EBADMSG),
+ "Attempt to move to object located in file header: %" PRIu64,
+ offset);
r = journal_file_move_to(f, type, false, offset, sizeof(ObjectHeader), &t, &tsize);
if (r < 0)
o = (Object*) t;
s = le64toh(o->object.size);
- if (s == 0) {
- log_debug("Attempt to move to uninitialized object: %" PRIu64, offset);
- return -EBADMSG;
- }
- if (s < sizeof(ObjectHeader)) {
- log_debug("Attempt to move to overly short object: %" PRIu64, offset);
- return -EBADMSG;
- }
-
- if (o->object.type <= OBJECT_UNUSED) {
- log_debug("Attempt to move to object with invalid type: %" PRIu64, offset);
- return -EBADMSG;
- }
-
- if (s < minimum_header_size(o)) {
- log_debug("Attempt to move to truncated object: %" PRIu64, offset);
- return -EBADMSG;
- }
-
- if (type > OBJECT_UNUSED && o->object.type != type) {
- log_debug("Attempt to move to object of unexpected type: %" PRIu64, offset);
- return -EBADMSG;
- }
+ if (s == 0)
+ return log_debug_errno(SYNTHETIC_ERRNO(EBADMSG),
+ "Attempt to move to uninitialized object: %" PRIu64,
+ offset);
+ if (s < sizeof(ObjectHeader))
+ return log_debug_errno(SYNTHETIC_ERRNO(EBADMSG),
+ "Attempt to move to overly short object: %" PRIu64,
+ offset);
+
+ if (o->object.type <= OBJECT_UNUSED)
+ return log_debug_errno(SYNTHETIC_ERRNO(EBADMSG),
+ "Attempt to move to object with invalid type: %" PRIu64,
+ offset);
+
+ if (s < minimum_header_size(o))
+ return log_debug_errno(SYNTHETIC_ERRNO(EBADMSG),
+ "Attempt to move to truncated object: %" PRIu64,
+ offset);
+
+ if (type > OBJECT_UNUSED && o->object.type != type)
+ return log_debug_errno(SYNTHETIC_ERRNO(EBADMSG),
+ "Attempt to move to object of unexpected type: %" PRIu64,
+ offset);
if (s > tsize) {
r = journal_file_move_to(f, type, false, offset, s, &t, NULL);
o->entry.realtime = htole64(ts->realtime);
o->entry.monotonic = htole64(ts->monotonic);
o->entry.xor_hash = htole64(xor_hash);
- o->entry.boot_id = boot_id ? *boot_id : f->header->boot_id;
+ if (boot_id)
+ f->header->boot_id = *boot_id;
+ o->entry.boot_id = f->header->boot_id;
#if HAVE_GCRYPT
r = journal_file_hmac_put_object(f, OBJECT_ENTRY, o, np);
assert(iovec || n_iovec == 0);
if (ts) {
- if (!VALID_REALTIME(ts->realtime)) {
- log_debug("Invalid realtime timestamp %"PRIu64", refusing entry.", ts->realtime);
- return -EBADMSG;
- }
- if (!VALID_MONOTONIC(ts->monotonic)) {
- log_debug("Invalid monotomic timestamp %"PRIu64", refusing entry.", ts->monotonic);
- return -EBADMSG;
- }
+ if (!VALID_REALTIME(ts->realtime))
+ return log_debug_errno(SYNTHETIC_ERRNO(EBADMSG),
+ "Invalid realtime timestamp %" PRIu64 ", refusing entry.",
+ ts->realtime);
+ if (!VALID_MONOTONIC(ts->monotonic))
+ return log_debug_errno(SYNTHETIC_ERRNO(EBADMSG),
+ "Invalid monotomic timestamp %" PRIu64 ", refusing entry.",
+ ts->monotonic);
} else {
dual_timestamp_get(&_ts);
ts = &_ts;
}
/* Ensure our array is properly ordered. */
- if (p > 0 && !check_properly_ordered(ofs, p, direction)) {
- log_debug("%s: entry array not properly ordered at entry %" PRIu64, f->path, i);
- return -EBADMSG;
- }
+ if (p > 0 && !check_properly_ordered(ofs, p, direction))
+ return log_debug_errno(SYNTHETIC_ERRNO(EBADMSG),
+ "%s: entry array not properly ordered at entry %" PRIu64,
+ f->path, i);
if (offset)
*offset = ofs;
}
/* Ensure our array is properly ordered. */
- if (p > 0 && check_properly_ordered(ofs, p, direction)) {
- log_debug("%s data entry array not properly ordered at entry %" PRIu64, f->path, i);
- return -EBADMSG;
- }
+ if (p > 0 && check_properly_ordered(ofs, p, direction))
+ return log_debug_errno(SYNTHETIC_ERRNO(EBADMSG),
+ "%s data entry array not properly ordered at entry %" PRIu64,
+ f->path, i);
if (offset)
*offset = ofs;
JournalFile *f;
void *h;
int r;
- char bytes[FORMAT_BYTES_MAX];
assert(ret);
assert(fd >= 0 || fname);
#endif
};
- log_debug("Journal effective settings seal=%s compress=%s compress_threshold_bytes=%s",
- yes_no(f->seal), yes_no(JOURNAL_FILE_COMPRESS(f)),
- format_bytes(bytes, sizeof(bytes), f->compress_threshold_bytes));
+ if (DEBUG_LOGGING) {
+ static int last_seal = -1, last_compress = -1;
+ static uint64_t last_bytes = UINT64_MAX;
+ char bytes[FORMAT_BYTES_MAX];
+
+ if (last_seal != f->seal ||
+ last_compress != JOURNAL_FILE_COMPRESS(f) ||
+ last_bytes != f->compress_threshold_bytes) {
+
+ log_debug("Journal effective settings seal=%s compress=%s compress_threshold_bytes=%s",
+ yes_no(f->seal), yes_no(JOURNAL_FILE_COMPRESS(f)),
+ format_bytes(bytes, sizeof bytes, f->compress_threshold_bytes));
+ last_seal = f->seal;
+ last_compress = JOURNAL_FILE_COMPRESS(f);
+ last_bytes = f->compress_threshold_bytes;
+ }
+ }
if (mmap_cache)
f->mmap = mmap_cache_ref(mmap_cache);
}
r = mmap_cache_get(f->mmap, f->cache_fd, f->prot, CONTEXT_HEADER, true, 0, PAGE_ALIGN(sizeof(Header)), &f->last_stat, &h, NULL);
+ if (r == -EINVAL) {
+ /* Some file systems (jffs2 or p9fs) don't support mmap() properly (or only read-only
+ * mmap()), and return EINVAL in that case. Let's propagate that as a more recognizable error
+ * code. */
+ r = -EAFNOSUPPORT;
+ goto fail;
+ }
if (r < 0)
goto fail;
projects / thirdparty / systemd.git / blobdiff