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Code review update

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Code review update
This commit is contained in:
MassimilianoPinto
2016-10-04 09:20:03 +02:00
parent dcc38b44a9
commit e5b34e30ae
3 changed files with 17 additions and 13 deletions
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2
server/modules/routing/binlog/blr_file.c
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@ -474,7 +474,7 @@ blr_write_binlog_record(ROUTER_INSTANCE *router, REP_HEADER *hdr, uint32_t size,
uint8_t *buf_ptr = buf + 4;
/* 16 bytes after buf + 4 are owerwritten by XORed with IV */
/* Only 15 bytes are involved */
for (int i=0; i < (AES_BLOCK_SIZE - 1); i++)
for (int i = 0; i < (AES_BLOCK_SIZE - 1); i++)
{
buf_ptr[i]= buf_ptr[i] ^ iv[i];
}

19
server/modules/routing/binlog/blr_slave.c
View File

@ -2328,16 +2328,7 @@ blr_slave_catchup(ROUTER_INSTANCE *router, ROUTER_SLAVE *slave, bool large)
int events_before = slave->stats.n_events;
/* Set file encryption context from slave pointer */
spinlock_acquire(&slave->catch_lock);
if (slave->encryption_ctx)
{
file->encryption_ctx = slave->encryption_ctx;
}
else
{
file->encryption_ctx = NULL;
}
spinlock_release(&slave->catch_lock);
file->encryption_ctx = slave->encryption_ctx;
while (burst-- && burst_size > 0 &&
(record = blr_read_binlog(router, file, slave->binlog_pos, &hdr, read_errmsg)) != NULL)
@ -5716,7 +5707,6 @@ bool blr_notify_waiting_slave(ROUTER_SLAVE *slave)
static int
blr_slave_read_ste(ROUTER_INSTANCE *router, ROUTER_SLAVE *slave, uint32_t fde_end_pos)
{
BLFILE *file;
REP_HEADER hdr;
GWBUF *record, *head;
uint8_t *ptr;
@ -5727,6 +5717,7 @@ blr_slave_read_ste(ROUTER_INSTANCE *router, ROUTER_SLAVE *slave, uint32_t fde_en
memset(&hdr, 0, BINLOG_EVENT_HDR_LEN);
BLFILE *file;
if ((file = blr_open_binlog(router, slave->binlogfile)) == NULL)
{
return 0;
@ -5754,10 +5745,16 @@ blr_slave_read_ste(ROUTER_INSTANCE *router, ROUTER_SLAVE *slave, uint32_t fde_en
{
uint8_t *record_ptr = GWBUF_DATA(record);
SLAVE_ENCRYPTION_CTX *new_encryption_ctx = MXS_CALLOC(1, sizeof(SLAVE_ENCRYPTION_CTX));
if (!new_encryption_ctx)
{
return 0;
}
record_ptr += BINLOG_EVENT_HDR_LEN;
new_encryption_ctx->binlog_crypto_scheme = record_ptr[0]; // 1 Byte
memcpy(&new_encryption_ctx->binlog_key_version, record_ptr + 1, BLRM_KEY_VERSION_LENGTH);
memcpy(new_encryption_ctx->nonce, record_ptr + 1 + BLRM_KEY_VERSION_LENGTH, BLRM_NONCE_LENGTH);
/* Set the pos of first encrypted event */
new_encryption_ctx->first_enc_event_pos = fde_end_pos + hdr.event_size;