95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#include <unistd.h>

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#include <sys/mman.h>

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#include <fcntl.h>

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#include <stddef.h>

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#include "util.h"

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#include "macro.h"

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#include "journal-def.h"

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#include "journal-file.h"

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#include "journal-authenticate.h"

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#include "journal-verify.h"

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#include "lookup3.h"

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#include "compress.h"

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#include "fsprg.h"

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poetteringstatic int journal_file_object_verify(JournalFile *f, Object *o) {

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering uint64_t i;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert(f);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert(o);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen /* This does various superficial tests about the length an

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if ((o->object.flags & OBJECT_COMPRESSED) &&

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen o->object.type != OBJECT_DATA)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return -EBADMSG;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

d5d8429a12c4b1ef0dcd226c0904f00f4fa4898aLennart Poettering switch (o->object.type) {

d5d8429a12c4b1ef0dcd226c0904f00f4fa4898aLennart Poettering

d5d8429a12c4b1ef0dcd226c0904f00f4fa4898aLennart Poettering case OBJECT_DATA: {

d5d8429a12c4b1ef0dcd226c0904f00f4fa4898aLennart Poettering uint64_t h1, h2;

d5d8429a12c4b1ef0dcd226c0904f00f4fa4898aLennart Poettering

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (le64toh(o->data.entry_offset) <= 0 ||

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen le64toh(o->data.n_entries) <= 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return -EBADMSG;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (le64toh(o->object.size) - offsetof(DataObject, payload) <= 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return -EBADMSG;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen h1 = le64toh(o->data.hash);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (o->object.flags & OBJECT_COMPRESSED) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen void *b = NULL;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen uint64_t alloc = 0, b_size;

8fba1c8d4e3d05d2af2848b6570bdc09e725d06eZbigniew Jędrzejewski-Szmek

8fba1c8d4e3d05d2af2848b6570bdc09e725d06eZbigniew Jędrzejewski-Szmek if (!uncompress_blob(o->data.payload,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen le64toh(o->object.size) - offsetof(Object, data.payload),

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen &b, &alloc, &b_size))

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return -EBADMSG;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen h2 = hash64(b, b_size);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen free(b);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen } else

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen h2 = hash64(o->data.payload, le64toh(o->object.size) - offsetof(Object, data.payload));

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

260ad50f5b4a9795032e3119c64f838a2d03370dThomas Hindoe Paaboel Andersen if (h1 != h2)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return -EBADMSG;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (!VALID64(o->data.next_hash_offset) ||

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen !VALID64(o->data.next_field_offset) ||

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen !VALID64(o->data.entry_offset) ||

8fba1c8d4e3d05d2af2848b6570bdc09e725d06eZbigniew Jędrzejewski-Szmek !VALID64(o->data.entry_array_offset))

8fba1c8d4e3d05d2af2848b6570bdc09e725d06eZbigniew Jędrzejewski-Szmek return -EBADMSG;

8fba1c8d4e3d05d2af2848b6570bdc09e725d06eZbigniew Jędrzejewski-Szmek

8fba1c8d4e3d05d2af2848b6570bdc09e725d06eZbigniew Jędrzejewski-Szmek break;

8fba1c8d4e3d05d2af2848b6570bdc09e725d06eZbigniew Jędrzejewski-Szmek }

8fba1c8d4e3d05d2af2848b6570bdc09e725d06eZbigniew Jędrzejewski-Szmek

8fba1c8d4e3d05d2af2848b6570bdc09e725d06eZbigniew Jędrzejewski-Szmek case OBJECT_FIELD:

8fba1c8d4e3d05d2af2848b6570bdc09e725d06eZbigniew Jędrzejewski-Szmek if (le64toh(o->object.size) - offsetof(FieldObject, payload) <= 0)

8fba1c8d4e3d05d2af2848b6570bdc09e725d06eZbigniew Jędrzejewski-Szmek return -EBADMSG;

8fba1c8d4e3d05d2af2848b6570bdc09e725d06eZbigniew Jędrzejewski-Szmek

8fba1c8d4e3d05d2af2848b6570bdc09e725d06eZbigniew Jędrzejewski-Szmek if (!VALID64(o->field.next_hash_offset) ||

8fba1c8d4e3d05d2af2848b6570bdc09e725d06eZbigniew Jędrzejewski-Szmek !VALID64(o->field.head_data_offset))

8fba1c8d4e3d05d2af2848b6570bdc09e725d06eZbigniew Jędrzejewski-Szmek return -EBADMSG;

8fba1c8d4e3d05d2af2848b6570bdc09e725d06eZbigniew Jędrzejewski-Szmek break;

8fba1c8d4e3d05d2af2848b6570bdc09e725d06eZbigniew Jędrzejewski-Szmek

8fba1c8d4e3d05d2af2848b6570bdc09e725d06eZbigniew Jędrzejewski-Szmek case OBJECT_ENTRY:

8fba1c8d4e3d05d2af2848b6570bdc09e725d06eZbigniew Jędrzejewski-Szmek if ((le64toh(o->object.size) - offsetof(EntryObject, items)) % sizeof(EntryItem) != 0)

8fba1c8d4e3d05d2af2848b6570bdc09e725d06eZbigniew Jędrzejewski-Szmek return -EBADMSG;

8fba1c8d4e3d05d2af2848b6570bdc09e725d06eZbigniew Jędrzejewski-Szmek

8fba1c8d4e3d05d2af2848b6570bdc09e725d06eZbigniew Jędrzejewski-Szmek if ((le64toh(o->object.size) - offsetof(EntryObject, items)) / sizeof(EntryItem) <= 0)

8fba1c8d4e3d05d2af2848b6570bdc09e725d06eZbigniew Jędrzejewski-Szmek return -EBADMSG;

8fba1c8d4e3d05d2af2848b6570bdc09e725d06eZbigniew Jędrzejewski-Szmek

8fba1c8d4e3d05d2af2848b6570bdc09e725d06eZbigniew Jędrzejewski-Szmek if (le64toh(o->entry.seqnum) <= 0 ||

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen !VALID_REALTIME(le64toh(o->entry.realtime)) ||

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen !VALID_MONOTONIC(le64toh(o->entry.monotonic)))

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return -EBADMSG;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen for (i = 0; i < journal_file_entry_n_items(o); i++) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (o->entry.items[i].object_offset == 0 ||

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen !VALID64(o->entry.items[i].object_offset))

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return -EBADMSG;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen break;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen case OBJECT_DATA_HASH_TABLE:

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen case OBJECT_FIELD_HASH_TABLE:

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if ((le64toh(o->object.size) - offsetof(HashTableObject, items)) % sizeof(HashItem) != 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return -EBADMSG;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if ((le64toh(o->object.size) - offsetof(HashTableObject, items)) / sizeof(HashItem) <= 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return -EBADMSG;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen for (i = 0; i < journal_file_hash_table_n_items(o); i++) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (o->hash_table.items[i].head_hash_offset != 0 &&

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen !VALID64(le64toh(o->hash_table.items[i].head_hash_offset)))

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return -EBADMSG;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (o->hash_table.items[i].tail_hash_offset != 0 &&

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen !VALID64(le64toh(o->hash_table.items[i].tail_hash_offset)))

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return -EBADMSG;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

b7e7184634d573fb73143210962acce205f37f61Michael Biebl if ((o->hash_table.items[i].head_hash_offset != 0) !=

b7e7184634d573fb73143210962acce205f37f61Michael Biebl (o->hash_table.items[i].tail_hash_offset != 0))

b7e7184634d573fb73143210962acce205f37f61Michael Biebl return -EBADMSG;

b7e7184634d573fb73143210962acce205f37f61Michael Biebl }

b7e7184634d573fb73143210962acce205f37f61Michael Biebl

b7e7184634d573fb73143210962acce205f37f61Michael Biebl break;

b7e7184634d573fb73143210962acce205f37f61Michael Biebl

b7e7184634d573fb73143210962acce205f37f61Michael Biebl case OBJECT_ENTRY_ARRAY:

b7e7184634d573fb73143210962acce205f37f61Michael Biebl if ((le64toh(o->object.size) - offsetof(EntryArrayObject, items)) % sizeof(le64_t) != 0)

b7e7184634d573fb73143210962acce205f37f61Michael Biebl return -EBADMSG;

b7e7184634d573fb73143210962acce205f37f61Michael Biebl

b7e7184634d573fb73143210962acce205f37f61Michael Biebl if ((le64toh(o->object.size) - offsetof(EntryArrayObject, items)) / sizeof(le64_t) <= 0)

b7e7184634d573fb73143210962acce205f37f61Michael Biebl return -EBADMSG;

b7e7184634d573fb73143210962acce205f37f61Michael Biebl

b7e7184634d573fb73143210962acce205f37f61Michael Biebl if (!VALID64(o->entry_array.next_entry_array_offset))

b7e7184634d573fb73143210962acce205f37f61Michael Biebl return -EBADMSG;

b7e7184634d573fb73143210962acce205f37f61Michael Biebl

b7e7184634d573fb73143210962acce205f37f61Michael Biebl for (i = 0; i < journal_file_entry_array_n_items(o); i++)

b7e7184634d573fb73143210962acce205f37f61Michael Biebl if (o->entry_array.items[i] != 0 &&

b7e7184634d573fb73143210962acce205f37f61Michael Biebl !VALID64(o->entry_array.items[i]))

b7e7184634d573fb73143210962acce205f37f61Michael Biebl return -EBADMSG;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen break;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

8fba1c8d4e3d05d2af2848b6570bdc09e725d06eZbigniew Jędrzejewski-Szmek case OBJECT_TAG:

8fba1c8d4e3d05d2af2848b6570bdc09e725d06eZbigniew Jędrzejewski-Szmek if (le64toh(o->object.size) != sizeof(TagObject))

8fba1c8d4e3d05d2af2848b6570bdc09e725d06eZbigniew Jędrzejewski-Szmek return -EBADMSG;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (!VALID_EPOCH(o->tag.epoch))

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return -EBADMSG;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

260ad50f5b4a9795032e3119c64f838a2d03370dThomas Hindoe Paaboel Andersen break;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

8fba1c8d4e3d05d2af2848b6570bdc09e725d06eZbigniew Jędrzejewski-Szmek return 0;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen}

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

77354c7e6f096a447245a8781c1eaa4acbe67089Martin Pittstatic void draw_progress(uint64_t p, usec_t *last_usec) {

77354c7e6f096a447245a8781c1eaa4acbe67089Martin Pitt unsigned n, i, j, k;

77354c7e6f096a447245a8781c1eaa4acbe67089Martin Pitt usec_t z, x;

4e5589836c9e143796c3f3d81e67ab7a9209e2b0Martin Pitt

77354c7e6f096a447245a8781c1eaa4acbe67089Martin Pitt if (!isatty(STDOUT_FILENO))

9993ef2e9817b35b1d467707bef12b2a140b62dcLennart Poettering return;

77354c7e6f096a447245a8781c1eaa4acbe67089Martin Pitt

77354c7e6f096a447245a8781c1eaa4acbe67089Martin Pitt z = now(CLOCK_MONOTONIC);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen x = *last_usec;

4a62c710b62a5a3c7a8a278b810b9d5b5a0c8f4fMichal Schmidt

4a62c710b62a5a3c7a8a278b810b9d5b5a0c8f4fMichal Schmidt if (x != 0 && x + 40 * USEC_PER_MSEC > z)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen *last_usec = z;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

aad0a2c80097926757d4385e5f5492082d47f006Zbigniew Jędrzejewski-Szmek n = (3 * columns()) / 4;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen j = (n * (unsigned) p) / 65535ULL;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen k = n - j;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen fputs("\r\x1B[?25l" ANSI_HIGHLIGHT_GREEN_ON, stdout);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen for (i = 0; i < j; i++)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen fputs("\xe2\x96\x88", stdout);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

260ad50f5b4a9795032e3119c64f838a2d03370dThomas Hindoe Paaboel Andersen fputs(ANSI_HIGHLIGHT_OFF, stdout);

260ad50f5b4a9795032e3119c64f838a2d03370dThomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen for (i = 0; i < k; i++)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen fputs("\xe2\x96\x91", stdout);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen printf(" %3lu%%", 100LU * (unsigned long) p / 65535LU);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen fputs("\r\x1B[?25h", stdout);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen fflush(stdout);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen}

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic void flush_progress(void) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen unsigned n, i;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (!isatty(STDOUT_FILENO))

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

d171ed1c50ba64928b7fb30ee2ae729fdfe0826bThomas Hindoe Paaboel Andersen n = (3 * columns()) / 4;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen putchar('\r');

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen for (i = 0; i < n + 5; i++)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen putchar(' ');

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen putchar('\r');

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen fflush(stdout);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen}

260ad50f5b4a9795032e3119c64f838a2d03370dThomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int write_uint64(int fd, uint64_t p) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen ssize_t k;

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen k = write(fd, &p, sizeof(p));

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (k < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return -errno;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (k != sizeof(p))

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return -EIO;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return 0;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen}

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int contains_uint64(MMapCache *m, int fd, uint64_t n, uint64_t p) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen uint64_t a, b;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen int r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert(m);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert(fd >= 0);

0b2ec8a3bfdd6118b3b4958d236ee203ad420f28David Herrmann

0b2ec8a3bfdd6118b3b4958d236ee203ad420f28David Herrmann /* Bisection ... */

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

264581a2f1599a27de577549dc75fccefef6a579Felipe Sateler a = 0; b = n;

264581a2f1599a27de577549dc75fccefef6a579Felipe Sateler while (a < b) {

0b2ec8a3bfdd6118b3b4958d236ee203ad420f28David Herrmann uint64_t c, *z;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

0b2ec8a3bfdd6118b3b4958d236ee203ad420f28David Herrmann c = (a + b) / 2;

0b2ec8a3bfdd6118b3b4958d236ee203ad420f28David Herrmann

0b2ec8a3bfdd6118b3b4958d236ee203ad420f28David Herrmann r = mmap_cache_get(m, fd, PROT_READ|PROT_WRITE, 0, false, c * sizeof(uint64_t), sizeof(uint64_t), NULL, (void **) &z);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0)

0b2ec8a3bfdd6118b3b4958d236ee203ad420f28David Herrmann return r;

0b2ec8a3bfdd6118b3b4958d236ee203ad420f28David Herrmann

0b2ec8a3bfdd6118b3b4958d236ee203ad420f28David Herrmann if (*z == p)

0b2ec8a3bfdd6118b3b4958d236ee203ad420f28David Herrmann return 1;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (a + 1 >= b)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return 0;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (p < *z)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen b = c;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen else

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen a = c;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return 0;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen}

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int entry_points_to_data(

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen JournalFile *f,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen int entry_fd,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen uint64_t n_entries,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen uint64_t entry_p,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen uint64_t data_p) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen int r;

4e4885553447f6f4c014bfa3e5b5837a76a0e612Lennart Poettering uint64_t i, n, a;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen Object *o;

4e4885553447f6f4c014bfa3e5b5837a76a0e612Lennart Poettering bool found = false;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert(f);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert(entry_fd >= 0);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (!contains_uint64(f->mmap, entry_fd, n_entries, entry_p)) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error("Data object references invalid entry at %llu", (unsigned long long) data_p);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return -EBADMSG;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = journal_file_move_to_object(f, OBJECT_ENTRY, entry_p, &o);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen n = journal_file_entry_n_items(o);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen for (i = 0; i < n; i++)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (le64toh(o->entry.items[i].object_offset) == data_p) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen found = true;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen break;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (!found) {

29e0e6d8c1f7f648b7c998880d034eaa3e58c53aMartin Pitt log_error("Data object not referenced by linked entry at %llu", (unsigned long long) data_p);

4e4885553447f6f4c014bfa3e5b5837a76a0e612Lennart Poettering return -EBADMSG;

40780877c19ef408da8ab21f4156cfc153f94b5cMartin Pitt }

3315f085178f46155fda345d9526c09083b45946Lennart Poettering

4e4885553447f6f4c014bfa3e5b5837a76a0e612Lennart Poettering /* Check if this entry is also in main entry array. Since the

29e0e6d8c1f7f648b7c998880d034eaa3e58c53aMartin Pitt

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen i = 0;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen n = le64toh(f->header->n_entries);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen a = le64toh(f->header->entry_array_offset);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

7410616cd9dbbec97cf98d75324da5cda2b2f7a2Lennart Poettering while (i < n) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen uint64_t m, u;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

7410616cd9dbbec97cf98d75324da5cda2b2f7a2Lennart Poettering r = journal_file_move_to_object(f, OBJECT_ENTRY_ARRAY, a, &o);

7410616cd9dbbec97cf98d75324da5cda2b2f7a2Lennart Poettering if (r < 0)

7410616cd9dbbec97cf98d75324da5cda2b2f7a2Lennart Poettering return r;

7410616cd9dbbec97cf98d75324da5cda2b2f7a2Lennart Poettering

3315f085178f46155fda345d9526c09083b45946Lennart Poettering m = journal_file_entry_array_n_items(o);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen u = MIN(n - i, m);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (entry_p <= le64toh(o->entry_array.items[u-1])) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen uint64_t x, y, z;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen x = 0;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen y = u;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen while (x < y) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen z = (x + y) / 2;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (le64toh(o->entry_array.items[z]) == entry_p)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return 0;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek if (x + 1 >= y)

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek break;

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek if (entry_p < le64toh(o->entry_array.items[z]))

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek y = z;

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek else

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek x = z;

2c09a745eba5f463e12b498a2f62a5036253c55cFelipe Sateler }

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek log_error("Entry object doesn't exist in main entry array at %llu", (unsigned long long) entry_p);

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek return -EBADMSG;

e987f2a809c6bab7e7bae4ca8f598ea5bafd5225Zbigniew Jędrzejewski-Szmek }

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek i += u;

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek a = le64toh(o->entry_array.next_entry_array_offset);

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek }

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek return 0;

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek}

2c09a745eba5f463e12b498a2f62a5036253c55cFelipe Sateler

2c09a745eba5f463e12b498a2f62a5036253c55cFelipe Satelerstatic int verify_data(

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek JournalFile *f,

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek Object *o, uint64_t p,

e987f2a809c6bab7e7bae4ca8f598ea5bafd5225Zbigniew Jędrzejewski-Szmek int entry_fd, uint64_t n_entries,

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering int entry_array_fd, uint64_t n_entry_arrays) {

2c09a745eba5f463e12b498a2f62a5036253c55cFelipe Sateler

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek uint64_t i, n, a, last, q;

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek int r;

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek assert(f);

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek assert(o);

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek assert(entry_fd >= 0);

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek assert(entry_array_fd >= 0);

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek n = le64toh(o->data.n_entries);

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek a = le64toh(o->data.entry_array_offset);

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek /* We already checked this earlier */

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek assert(n > 0);

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek last = q = le64toh(o->data.entry_offset);

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek r = entry_points_to_data(f, entry_fd, n_entries, q, p);

0b2ec8a3bfdd6118b3b4958d236ee203ad420f28David Herrmann if (r < 0)

2c09a745eba5f463e12b498a2f62a5036253c55cFelipe Sateler return r;

2c09a745eba5f463e12b498a2f62a5036253c55cFelipe Sateler

2c09a745eba5f463e12b498a2f62a5036253c55cFelipe Sateler i = 1;

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek while (i < n) {

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek uint64_t next, m, j;

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek if (a == 0) {

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek log_error("Array chain too short at %llu", (unsigned long long) p);

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek return -EBADMSG;

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek }

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek if (!contains_uint64(f->mmap, entry_array_fd, n_entry_arrays, a)) {

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek log_error("Invalid array at %llu", (unsigned long long) p);

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek return -EBADMSG;

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek }

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek r = journal_file_move_to_object(f, OBJECT_ENTRY_ARRAY, a, &o);

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek if (r < 0)

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek return r;

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek

e987f2a809c6bab7e7bae4ca8f598ea5bafd5225Zbigniew Jędrzejewski-Szmek next = le64toh(o->entry_array.next_entry_array_offset);

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek if (next != 0 && next <= a) {

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek log_error("Array chain has cycle at %llu", (unsigned long long) p);

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek return -EBADMSG;

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering }

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek m = journal_file_entry_array_n_items(o);

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek for (j = 0; i < n && j < m; i++, j++) {

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek q = le64toh(o->entry_array.items[j]);

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek if (q <= last) {

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek log_error("Data object's entry array not sorted at %llu", (unsigned long long) p);

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek return -EBADMSG;

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek }

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek last = q;

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek r = entry_points_to_data(f, entry_fd, n_entries, q, p);

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek if (r < 0)

e987f2a809c6bab7e7bae4ca8f598ea5bafd5225Zbigniew Jędrzejewski-Szmek return r;

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek /* Pointer might have moved, reposition */

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek r = journal_file_move_to_object(f, OBJECT_ENTRY_ARRAY, a, &o);

e987f2a809c6bab7e7bae4ca8f598ea5bafd5225Zbigniew Jędrzejewski-Szmek if (r < 0)

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek return r;

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek }

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek a = next;

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek }

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return 0;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen}

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int verify_hash_table(

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen JournalFile *f,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen int data_fd, uint64_t n_data,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen int entry_fd, uint64_t n_entries,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen int entry_array_fd, uint64_t n_entry_arrays,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen usec_t *last_usec,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen bool show_progress) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen uint64_t i, n;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen int r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert(f);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert(data_fd >= 0);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert(entry_fd >= 0);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert(entry_array_fd >= 0);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert(last_usec);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen n = le64toh(f->header->data_hash_table_size) / sizeof(HashItem);

77354c7e6f096a447245a8781c1eaa4acbe67089Martin Pitt for (i = 0; i < n; i++) {

77354c7e6f096a447245a8781c1eaa4acbe67089Martin Pitt uint64_t last = 0, p;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (show_progress)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen draw_progress(0xC000 + (0x3FFF * i / n), last_usec);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen p = le64toh(f->data_hash_table[i].head_hash_offset);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen while (p != 0) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen Object *o;

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering uint64_t next;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (!contains_uint64(f->mmap, data_fd, n_data, p)) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error("Invalid data object at hash entry %llu of %llu",

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen (unsigned long long) i, (unsigned long long) n);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return -EBADMSG;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = journal_file_move_to_object(f, OBJECT_DATA, p, &o);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen next = le64toh(o->data.next_hash_offset);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (next != 0 && next <= p) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error("Hash chain has a cycle in hash entry %llu of %llu",

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen (unsigned long long) i, (unsigned long long) n);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return -EBADMSG;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (le64toh(o->data.hash) % n != i) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error("Hash value mismatch in hash entry %llu of %llu",

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen (unsigned long long) i, (unsigned long long) n);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return -EBADMSG;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = verify_data(f, o, p, entry_fd, n_entries, entry_array_fd, n_entry_arrays);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen last = p;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen p = next;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (last != le64toh(f->data_hash_table[i].tail_hash_offset)) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error("Tail hash pointer mismatch in hash table");

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return -EBADMSG;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return 0;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen}

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int data_object_in_hash_table(JournalFile *f, uint64_t hash, uint64_t p) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen uint64_t n, h, q;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen int r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert(f);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen n = le64toh(f->header->data_hash_table_size) / sizeof(HashItem);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen h = hash % n;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen q = le64toh(f->data_hash_table[h].head_hash_offset);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen while (q != 0) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen Object *o;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (p == q)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return 1;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = journal_file_move_to_object(f, OBJECT_DATA, q, &o);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen q = le64toh(o->data.next_hash_offset);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return 0;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen}

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int verify_entry(

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen JournalFile *f,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen Object *o, uint64_t p,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen int data_fd, uint64_t n_data) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering uint64_t i, n;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen int r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert(f);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert(o);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert(data_fd >= 0);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen n = journal_file_entry_n_items(o);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen for (i = 0; i < n; i++) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen uint64_t q, h;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen Object *u;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen q = le64toh(o->entry.items[i].object_offset);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen h = le64toh(o->entry.items[i].hash);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (!contains_uint64(f->mmap, data_fd, n_data, q)) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error("Invalid data object at entry %llu",

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen (unsigned long long) p);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return -EBADMSG;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = journal_file_move_to_object(f, OBJECT_DATA, q, &u);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (le64toh(u->data.hash) != h) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error("Hash mismatch for data object at entry %llu",

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen (unsigned long long) p);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return -EBADMSG;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = data_object_in_hash_table(f, h, q);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r == 0) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error("Data object missing from hash at entry %llu",

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen (unsigned long long) p);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return -EBADMSG;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return 0;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen}

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenstatic int verify_entry_array(

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen JournalFile *f,

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek int data_fd, uint64_t n_data,

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek int entry_fd, uint64_t n_entries,

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek int entry_array_fd, uint64_t n_entry_arrays,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen usec_t *last_usec,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen bool show_progress) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen uint64_t i = 0, a, n, last = 0;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen int r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert(f);

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek assert(data_fd >= 0);

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek assert(entry_fd >= 0);

1e2fee5f757c0bb3a6fea216b1e10ee7b3c0e12eZbigniew Jędrzejewski-Szmek assert(entry_array_fd >= 0);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert(last_usec);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen n = le64toh(f->header->n_entries);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen a = le64toh(f->header->entry_array_offset);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen while (i < n) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen uint64_t next, m, j;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen Object *o;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (show_progress)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen draw_progress(0x8000 + (0x3FFF * i / n), last_usec);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (a == 0) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error("Array chain too short at %llu of %llu",

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen (unsigned long long) i, (unsigned long long) n);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return -EBADMSG;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (!contains_uint64(f->mmap, entry_array_fd, n_entry_arrays, a)) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error("Invalid array at %llu of %llu",

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen (unsigned long long) i, (unsigned long long) n);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return -EBADMSG;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = journal_file_move_to_object(f, OBJECT_ENTRY_ARRAY, a, &o);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen next = le64toh(o->entry_array.next_entry_array_offset);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (next != 0 && next <= a) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error("Array chain has cycle at %llu of %llu",

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen (unsigned long long) i, (unsigned long long) n);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return -EBADMSG;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen m = journal_file_entry_array_n_items(o);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen for (j = 0; i < n && j < m; i++, j++) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen uint64_t p;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen p = le64toh(o->entry_array.items[j]);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (p <= last) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error("Entry array not sorted at %llu of %llu",

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen (unsigned long long) i, (unsigned long long) n);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return -EBADMSG;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen last = p;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (!contains_uint64(f->mmap, entry_fd, n_entries, p)) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error("Invalid array entry at %llu of %llu",

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen (unsigned long long) i, (unsigned long long) n);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return -EBADMSG;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = journal_file_move_to_object(f, OBJECT_ENTRY, p, &o);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = verify_entry(f, o, p, data_fd, n_data);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen /* Pointer might have moved, reposition */

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = journal_file_move_to_object(f, OBJECT_ENTRY_ARRAY, a, &o);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen a = next;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return 0;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen}

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersenint journal_file_verify(

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen JournalFile *f,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen const char *key,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen usec_t *first_validated, usec_t *last_validated, usec_t *last_contained,

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen bool show_progress) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen int r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen Object *o;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen uint64_t p = 0, last_tag = 0, last_epoch = 0, last_tag_realtime = 0, last_sealed_realtime = 0;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen uint64_t entry_seqnum = 0, entry_monotonic = 0, entry_realtime = 0;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen sd_id128_t entry_boot_id;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen bool entry_seqnum_set = false, entry_monotonic_set = false, entry_realtime_set = false, found_main_entry_array = false;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen uint64_t n_weird = 0, n_objects = 0, n_entries = 0, n_data = 0, n_fields = 0, n_data_hash_tables = 0, n_field_hash_tables = 0, n_entry_arrays = 0, n_tags = 0;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen usec_t last_usec = 0;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen int data_fd = -1, entry_fd = -1, entry_array_fd = -1;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen char data_path[] = "/var/tmp/journal-data-XXXXXX",

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen entry_path[] = "/var/tmp/journal-entry-XXXXXX",

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen entry_array_path[] = "/var/tmp/journal-entry-array-XXXXXX";

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen unsigned i;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen bool found_last;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen assert(f);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (key) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#ifdef HAVE_GCRYPT

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = journal_file_parse_verification_key(f, key);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error("Failed to parse seed.");

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return r;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#else

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return -ENOTSUP;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#endif

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen } else if (f->seal)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen return -ENOKEY;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen data_fd = mkostemp(data_path, O_CLOEXEC);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (data_fd < 0) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error("Failed to create data file: %m");

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = -errno;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen goto fail;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen unlink(data_path);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen entry_fd = mkostemp(entry_path, O_CLOEXEC);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (entry_fd < 0) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error("Failed to create entry file: %m");

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = -errno;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen goto fail;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen unlink(entry_path);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen entry_array_fd = mkostemp(entry_array_path, O_CLOEXEC);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (entry_array_fd < 0) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error("Failed to create entry array file: %m");

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = -errno;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen goto fail;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

a8ffe6fbcbfdba39aef8dce8b298b3e0cb377c0eZbigniew Jędrzejewski-Szmek unlink(entry_array_path);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#ifdef HAVE_GCRYPT

a8ffe6fbcbfdba39aef8dce8b298b3e0cb377c0eZbigniew Jędrzejewski-Szmek if ((le32toh(f->header->compatible_flags) & ~HEADER_COMPATIBLE_SEALED) != 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#else

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (f->header->compatible_flags != 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#endif

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error("Cannot verify file with unknown extensions.");

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = -ENOTSUP;

56f64d95763a799ba4475daf44d8e9f72a1bd474Michal Schmidt goto fail;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen for (i = 0; i < sizeof(f->header->reserved); i++)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (f->header->reserved[i] != 0) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error("Reserved field in non-zero.");

8fba1c8d4e3d05d2af2848b6570bdc09e725d06eZbigniew Jędrzejewski-Szmek r = -EBADMSG;

805e5dda0a01c99d231824e1a9c4a208418bf342Lennart Poettering goto fail;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

a986501b9059b72e8deced262554fbdd1ab9da17Lennart Poettering /* First iteration: we go through all objects, verify the

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

a986501b9059b72e8deced262554fbdd1ab9da17Lennart Poettering p = le64toh(f->header->header_size);

805e5dda0a01c99d231824e1a9c4a208418bf342Lennart Poettering while (p != 0) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (show_progress)

805e5dda0a01c99d231824e1a9c4a208418bf342Lennart Poettering draw_progress(0x7FFF * p / le64toh(f->header->tail_object_offset), &last_usec);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = journal_file_move_to_object(f, -1, p, &o);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error("Invalid object at %llu", (unsigned long long) p);

805e5dda0a01c99d231824e1a9c4a208418bf342Lennart Poettering goto fail;

805e5dda0a01c99d231824e1a9c4a208418bf342Lennart Poettering }

805e5dda0a01c99d231824e1a9c4a208418bf342Lennart Poettering

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (p > le64toh(f->header->tail_object_offset)) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error("Invalid tail object pointer");

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = -EBADMSG;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen goto fail;

a986501b9059b72e8deced262554fbdd1ab9da17Lennart Poettering }

a986501b9059b72e8deced262554fbdd1ab9da17Lennart Poettering

a986501b9059b72e8deced262554fbdd1ab9da17Lennart Poettering if (p == le64toh(f->header->tail_object_offset))

805e5dda0a01c99d231824e1a9c4a208418bf342Lennart Poettering found_last = true;

805e5dda0a01c99d231824e1a9c4a208418bf342Lennart Poettering

805e5dda0a01c99d231824e1a9c4a208418bf342Lennart Poettering n_objects ++;

805e5dda0a01c99d231824e1a9c4a208418bf342Lennart Poettering

a8ffe6fbcbfdba39aef8dce8b298b3e0cb377c0eZbigniew Jędrzejewski-Szmek r = journal_file_object_verify(f, o);

f4f01ec146d91cb6943828851d98eee6a1ad4dd9Martin Pitt if (r < 0) {

f4f01ec146d91cb6943828851d98eee6a1ad4dd9Martin Pitt log_error("Invalid object contents at %llu", (unsigned long long) p);

f4f01ec146d91cb6943828851d98eee6a1ad4dd9Martin Pitt goto fail;

f4f01ec146d91cb6943828851d98eee6a1ad4dd9Martin Pitt }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if ((o->object.flags & OBJECT_COMPRESSED) && !JOURNAL_HEADER_COMPRESSED(f->header)) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error("Compressed object in file without compression at %llu", (unsigned long long) p);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = -EBADMSG;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen goto fail;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen switch (o->object.type) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

805e5dda0a01c99d231824e1a9c4a208418bf342Lennart Poettering case OBJECT_DATA:

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = write_uint64(data_fd, p);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen goto fail;

805e5dda0a01c99d231824e1a9c4a208418bf342Lennart Poettering

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen n_data++;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen break;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen case OBJECT_FIELD:

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen n_fields++;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen break;

a8ffe6fbcbfdba39aef8dce8b298b3e0cb377c0eZbigniew Jędrzejewski-Szmek

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen case OBJECT_ENTRY:

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (JOURNAL_HEADER_SEALED(f->header) && n_tags <= 0) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error("First entry before first tag at %llu", (unsigned long long) p);

7a03974a6f4510dcb1850515a80c2063c767a80fThomas Hindoe Paaboel Andersen r = -EBADMSG;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen goto fail;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = write_uint64(entry_fd, p);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen goto fail;

a8ffe6fbcbfdba39aef8dce8b298b3e0cb377c0eZbigniew Jędrzejewski-Szmek

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (le64toh(o->entry.realtime) < last_tag_realtime) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error("Older entry after newer tag at %llu", (unsigned long long) p);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = -EBADMSG;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen goto fail;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (!entry_seqnum_set &&

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen le64toh(o->entry.seqnum) != le64toh(f->header->head_entry_seqnum)) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error("Head entry sequence number incorrect at %llu", (unsigned long long) p);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = -EBADMSG;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen goto fail;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (entry_seqnum_set &&

56f64d95763a799ba4475daf44d8e9f72a1bd474Michal Schmidt entry_seqnum >= le64toh(o->entry.seqnum)) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error("Entry sequence number out of synchronization at %llu", (unsigned long long) p);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = -EBADMSG;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen goto fail;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

7a03974a6f4510dcb1850515a80c2063c767a80fThomas Hindoe Paaboel Andersen entry_seqnum = le64toh(o->entry.seqnum);

7a03974a6f4510dcb1850515a80c2063c767a80fThomas Hindoe Paaboel Andersen entry_seqnum_set = true;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (entry_monotonic_set &&

a34bf9db5da0fdd6bdb14459e203dbe41ee99614Lennart Poettering sd_id128_equal(entry_boot_id, o->entry.boot_id) &&

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen entry_monotonic > le64toh(o->entry.monotonic)) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error("Entry timestamp out of synchronization at %llu", (unsigned long long) p);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = -EBADMSG;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen goto fail;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen entry_monotonic = le64toh(o->entry.monotonic);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen entry_boot_id = o->entry.boot_id;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen entry_monotonic_set = true;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (!entry_realtime_set &&

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen le64toh(o->entry.realtime) != le64toh(f->header->head_entry_realtime)) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error("Head entry realtime timestamp incorrect");

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = -EBADMSG;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen goto fail;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen entry_realtime = le64toh(o->entry.realtime);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen entry_realtime_set = true;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen n_entries ++;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen break;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen case OBJECT_DATA_HASH_TABLE:

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (n_data_hash_tables > 1) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error("More than one data hash table at %llu", (unsigned long long) p);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = -EBADMSG;

8c84621c25c563c7428f3d355136fc542389aab8Thomas Hindoe Paaboel Andersen goto fail;

8c84621c25c563c7428f3d355136fc542389aab8Thomas Hindoe Paaboel Andersen }

f4f01ec146d91cb6943828851d98eee6a1ad4dd9Martin Pitt

f4f01ec146d91cb6943828851d98eee6a1ad4dd9Martin Pitt if (le64toh(f->header->data_hash_table_offset) != p + offsetof(HashTableObject, items) ||

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen le64toh(f->header->data_hash_table_size) != le64toh(o->object.size) - offsetof(HashTableObject, items)) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error("Header fields for data hash table invalid");

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = -EBADMSG;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen goto fail;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen n_data_hash_tables++;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen break;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen case OBJECT_FIELD_HASH_TABLE:

d5099efc47d4e6ac60816b5381a5f607ab03f06eMichal Schmidt if (n_field_hash_tables > 1) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error("More than one field hash table at %llu", (unsigned long long) p);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = -EBADMSG;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen goto fail;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (le64toh(f->header->field_hash_table_offset) != p + offsetof(HashTableObject, items) ||

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen le64toh(f->header->field_hash_table_size) != le64toh(o->object.size) - offsetof(HashTableObject, items)) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error("Header fields for field hash table invalid");

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = -EBADMSG;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen goto fail;

d5099efc47d4e6ac60816b5381a5f607ab03f06eMichal Schmidt }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen n_field_hash_tables++;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen break;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen case OBJECT_ENTRY_ARRAY:

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = write_uint64(entry_array_fd, p);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen goto fail;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (p == le64toh(f->header->entry_array_offset)) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (found_main_entry_array) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error("More than one main entry array at %llu", (unsigned long long) p);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = -EBADMSG;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen goto fail;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

260ad50f5b4a9795032e3119c64f838a2d03370dThomas Hindoe Paaboel Andersen found_main_entry_array = true;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen n_entry_arrays++;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen break;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen case OBJECT_TAG:

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (!JOURNAL_HEADER_SEALED(f->header)) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error("Tag object in file without sealing at %llu", (unsigned long long) p);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = -EBADMSG;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen goto fail;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (le64toh(o->tag.seqnum) != n_tags + 1) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error("Tag sequence number out of synchronization at %llu", (unsigned long long) p);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = -EBADMSG;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen goto fail;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (le64toh(o->tag.epoch) < last_epoch) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error("Epoch sequence out of synchronization at %llu", (unsigned long long) p);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = -EBADMSG;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen goto fail;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#ifdef HAVE_GCRYPT

f8bc41822ba19905707a97f9d87262f2c2b6e5faZbigniew Jędrzejewski-Szmek if (f->seal) {

5921fc3cc36df4baa5e16060e7675ace9eda2befThomas Hindoe Paaboel Andersen uint64_t q, rt;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_debug("Checking tag %llu..", (unsigned long long) le64toh(o->tag.seqnum));

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen rt = f->fss_start_usec + o->tag.epoch * f->fss_interval_usec;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (entry_realtime_set && entry_realtime >= rt + f->fss_interval_usec) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error("Tag/entry realtime timestamp out of synchronization at %llu", (unsigned long long) p);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = -EBADMSG;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen goto fail;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen /* OK, now we know the epoch. So let's now set

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = journal_file_fsprg_seek(f, le64toh(o->tag.epoch));

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen goto fail;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

b2c23da8cea1987a1a329f5a964d3299b7ca7890Lennart Poettering r = journal_file_hmac_start(f);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen goto fail;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (last_tag == 0) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = journal_file_hmac_put_header(f);

d5099efc47d4e6ac60816b5381a5f607ab03f06eMichal Schmidt if (r < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen goto fail;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen q = le64toh(f->header->header_size);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen } else

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen q = last_tag;

a8ffe6fbcbfdba39aef8dce8b298b3e0cb377c0eZbigniew Jędrzejewski-Szmek

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen while (q <= p) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = journal_file_move_to_object(f, -1, q, &o);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen goto fail;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

a8ffe6fbcbfdba39aef8dce8b298b3e0cb377c0eZbigniew Jędrzejewski-Szmek r = journal_file_hmac_put_object(f, -1, q);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (r < 0)

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen goto fail;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen q = q + ALIGN64(le64toh(o->object.size));

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

b3fae863ef548add2d01c3956ce7720f4eeeca7eLennart Poettering

b3fae863ef548add2d01c3956ce7720f4eeeca7eLennart Poettering /* Position might have changed, let's reposition things */

b3fae863ef548add2d01c3956ce7720f4eeeca7eLennart Poettering r = journal_file_move_to_object(f, -1, p, &o);

b3fae863ef548add2d01c3956ce7720f4eeeca7eLennart Poettering if (r < 0)

b3fae863ef548add2d01c3956ce7720f4eeeca7eLennart Poettering goto fail;

b3fae863ef548add2d01c3956ce7720f4eeeca7eLennart Poettering

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen if (memcmp(o->tag.tag, gcry_md_read(f->hmac, 0), TAG_LENGTH) != 0) {

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen log_error("Tag failed verification at %llu", (unsigned long long) p);

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen r = -EBADMSG;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen goto fail;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen f->hmac_running = false;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen last_tag_realtime = rt;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen last_sealed_realtime = entry_realtime;

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen }

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen#endif

95ed3294c632f5606327149f10cef1eb34422862Thomas Hindoe Paaboel Andersen

last_tag = p + ALIGN64(le64toh(o->object.size));

last_epoch = le64toh(o->tag.epoch);

n_tags ++;

break;

default:

n_weird ++;

}

if (p == le64toh(f->header->tail_object_offset))

p = 0;

else

p = p + ALIGN64(le64toh(o->object.size));

}

if (!found_last) {

log_error("Tail object pointer dead");

r = -EBADMSG;

goto fail;

}

if (n_objects != le64toh(f->header->n_objects)) {

log_error("Object number mismatch");

r = -EBADMSG;

goto fail;

}

if (n_entries != le64toh(f->header->n_entries)) {

log_error("Entry number mismatch");

r = -EBADMSG;

goto fail;

}

if (JOURNAL_HEADER_CONTAINS(f->header, n_data) &&

n_data != le64toh(f->header->n_data)) {

log_error("Data number mismatch");

r = -EBADMSG;

goto fail;

}

if (JOURNAL_HEADER_CONTAINS(f->header, n_fields) &&

n_fields != le64toh(f->header->n_fields)) {

log_error("Field number mismatch");

r = -EBADMSG;

goto fail;

}

if (JOURNAL_HEADER_CONTAINS(f->header, n_tags) &&

n_tags != le64toh(f->header->n_tags)) {

log_error("Tag number mismatch");

r = -EBADMSG;

goto fail;

}

if (JOURNAL_HEADER_CONTAINS(f->header, n_entry_arrays) &&

n_entry_arrays != le64toh(f->header->n_entry_arrays)) {

log_error("Entry array number mismatch");

r = -EBADMSG;

goto fail;

}

if (n_data_hash_tables != 1) {

log_error("Missing data hash table");

r = -EBADMSG;

goto fail;

}

if (n_field_hash_tables != 1) {

log_error("Missing field hash table");

r = -EBADMSG;

goto fail;

}

if (!found_main_entry_array) {

log_error("Missing entry array");

r = -EBADMSG;

goto fail;

}

if (entry_seqnum_set &&

entry_seqnum != le64toh(f->header->tail_entry_seqnum)) {

log_error("Invalid tail seqnum");

r = -EBADMSG;

goto fail;

}

if (entry_monotonic_set &&

(!sd_id128_equal(entry_boot_id, f->header->boot_id) ||

entry_monotonic != le64toh(f->header->tail_entry_monotonic))) {

log_error("Invalid tail monotonic timestamp");

r = -EBADMSG;

goto fail;

}

if (entry_realtime_set && entry_realtime != le64toh(f->header->tail_entry_realtime)) {

log_error("Invalid tail realtime timestamp");

r = -EBADMSG;

goto fail;

}

/* Second iteration: we follow all objects referenced from the

r = verify_entry_array(f,

data_fd, n_data,

entry_fd, n_entries,

entry_array_fd, n_entry_arrays,

&last_usec,

show_progress);

if (r < 0)

goto fail;

r = verify_hash_table(f,

data_fd, n_data,

entry_fd, n_entries,

entry_array_fd, n_entry_arrays,

&last_usec,

show_progress);

if (r < 0)

goto fail;

if (show_progress)

flush_progress();

mmap_cache_close_fd(f->mmap, data_fd);

mmap_cache_close_fd(f->mmap, entry_fd);

mmap_cache_close_fd(f->mmap, entry_array_fd);

close_nointr_nofail(data_fd);

close_nointr_nofail(entry_fd);

close_nointr_nofail(entry_array_fd);

if (first_validated)

*first_validated = last_sealed_realtime > 0 ? le64toh(f->header->head_entry_realtime) : 0;

if (last_validated)

*last_validated = last_sealed_realtime;

if (last_contained)

*last_contained = le64toh(f->header->tail_entry_realtime);

return 0;

fail:

if (show_progress)

flush_progress();

log_error("File corruption detected at %s:%llu (of %llu, %llu%%).",

f->path,

(unsigned long long) p,

(unsigned long long) f->last_stat.st_size,

(unsigned long long) (100 * p / f->last_stat.st_size));

if (data_fd >= 0) {

mmap_cache_close_fd(f->mmap, data_fd);

close_nointr_nofail(data_fd);

}

if (entry_fd >= 0) {

mmap_cache_close_fd(f->mmap, entry_fd);

close_nointr_nofail(entry_fd);

}

if (entry_array_fd >= 0) {

mmap_cache_close_fd(f->mmap, entry_array_fd);

close_nointr_nofail(entry_array_fd);

}

return r;

}