core: various cleanups for persistant cache (#8191)

This commit is contained in:
David Fort 2022-09-12 10:21:42 +02:00 committed by GitHub
parent 6a1d44bb67
commit 8d9a43de01
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 35 additions and 39 deletions

View File

@ -56,8 +56,7 @@ static int persistent_cache_read_entry_v2(rdpPersistentCache* persistent,
{
PERSISTENT_CACHE_ENTRY_V2 entry2;
if (fread((void*)&entry2, 1, sizeof(PERSISTENT_CACHE_ENTRY_V2), persistent->fp) !=
sizeof(PERSISTENT_CACHE_ENTRY_V2))
if (fread((void*)&entry2, sizeof(entry2), 1, persistent->fp) != 1)
return -1;
entry->key64 = entry2.key64;
@ -68,7 +67,7 @@ static int persistent_cache_read_entry_v2(rdpPersistentCache* persistent,
entry->data = persistent->bmpData;
if (fread((void*)entry->data, 1, 0x4000, persistent->fp) != 0x4000)
if (fread((void*)entry->data, 0x4000, 1, persistent->fp) != 1)
return -1;
return 1;
@ -89,18 +88,17 @@ static int persistent_cache_write_entry_v2(rdpPersistentCache* persistent,
if (!entry2.flags)
entry2.flags = 0x00000011;
if (fwrite((void*)&entry2, 1, sizeof(PERSISTENT_CACHE_ENTRY_V2), persistent->fp) !=
sizeof(PERSISTENT_CACHE_ENTRY_V2))
if (fwrite((void*)&entry2, sizeof(entry2), 1, persistent->fp) != 1)
return -1;
if (fwrite((void*)entry->data, 1, entry->size, persistent->fp) != entry->size)
if (fwrite((void*)entry->data, entry->size, 1, persistent->fp) != 1)
return -1;
if (0x4000 > entry->size)
{
padding = 0x4000 - entry->size;
if (fwrite((void*)persistent->bmpData, 1, padding, persistent->fp) != padding)
if (fwrite((void*)persistent->bmpData, padding, 1, persistent->fp) != 1)
return -1;
}
@ -111,12 +109,11 @@ static int persistent_cache_write_entry_v2(rdpPersistentCache* persistent,
static int persistent_cache_read_v2(rdpPersistentCache* persistent)
{
PERSISTENT_CACHE_ENTRY_V2 entry;
while (1)
{
if (fread((void*)&entry, 1, sizeof(PERSISTENT_CACHE_ENTRY_V2), persistent->fp) !=
sizeof(PERSISTENT_CACHE_ENTRY_V2))
PERSISTENT_CACHE_ENTRY_V2 entry;
if (fread((void*)&entry, sizeof(entry), 1, persistent->fp) != 1)
break;
if (fseek(persistent->fp, 0x4000, SEEK_CUR) != 0)
@ -133,8 +130,7 @@ static int persistent_cache_read_entry_v3(rdpPersistentCache* persistent,
{
PERSISTENT_CACHE_ENTRY_V3 entry3;
if (fread((void*)&entry3, 1, sizeof(PERSISTENT_CACHE_ENTRY_V3), persistent->fp) !=
sizeof(PERSISTENT_CACHE_ENTRY_V3))
if (fread((void*)&entry3, sizeof(entry3), 1, persistent->fp) != 1)
return -1;
entry->key64 = entry3.key64;
@ -161,7 +157,7 @@ static int persistent_cache_read_entry_v3(rdpPersistentCache* persistent,
entry->data = persistent->bmpData;
if (fread((void*)entry->data, 1, entry->size, persistent->fp) != entry->size)
if (fread((void*)entry->data, entry->size, 1, persistent->fp) != 1)
return -1;
return 1;
@ -176,11 +172,10 @@ static int persistent_cache_write_entry_v3(rdpPersistentCache* persistent,
entry3.width = entry->width;
entry3.height = entry->height;
if (fwrite((void*)&entry3, 1, sizeof(PERSISTENT_CACHE_ENTRY_V3), persistent->fp) !=
sizeof(PERSISTENT_CACHE_ENTRY_V3))
if (fwrite((void*)&entry3, sizeof(entry3), 1, persistent->fp) != 1)
return -1;
if (fwrite((void*)entry->data, 1, entry->size, persistent->fp) != entry->size)
if (fwrite((void*)entry->data, entry->size, 1, persistent->fp) != 1)
return -1;
persistent->count++;
@ -190,12 +185,11 @@ static int persistent_cache_write_entry_v3(rdpPersistentCache* persistent,
static int persistent_cache_read_v3(rdpPersistentCache* persistent)
{
PERSISTENT_CACHE_ENTRY_V3 entry;
while (1)
{
if (fread((void*)&entry, 1, sizeof(PERSISTENT_CACHE_ENTRY_V3), persistent->fp) !=
sizeof(PERSISTENT_CACHE_ENTRY_V3))
PERSISTENT_CACHE_ENTRY_V3 entry;
if (fread((void*)&entry, sizeof(entry), 1, persistent->fp) != 1)
break;
if (fseek(persistent->fp, (entry.width * entry.height * 4), SEEK_CUR) != 0)
@ -232,14 +226,14 @@ static int persistent_cache_open_read(rdpPersistentCache* persistent)
{
BYTE sig[8];
int status = 1;
PERSISTENT_CACHE_HEADER_V3 header;
long offset;
persistent->fp = fopen(persistent->filename, "rb");
if (!persistent->fp)
return -1;
if (fread(sig, 1, 8, persistent->fp) != 8)
if (fread(sig, 8, 1, persistent->fp) != 1)
return -1;
if (!strncmp((const char*)sig, "RDP8bmp", 8))
@ -251,27 +245,27 @@ static int persistent_cache_open_read(rdpPersistentCache* persistent)
if (persistent->version == 3)
{
if (fread(&header, 1, sizeof(PERSISTENT_CACHE_HEADER_V3), persistent->fp) !=
sizeof(PERSISTENT_CACHE_HEADER_V3))
PERSISTENT_CACHE_HEADER_V3 header;
if (fread(&header, sizeof(header), 1, persistent->fp) != 1)
return -1;
status = persistent_cache_read_v3(persistent);
fseek(persistent->fp, sizeof(PERSISTENT_CACHE_HEADER_V3), SEEK_SET);
offset = sizeof(header);
}
else
{
status = persistent_cache_read_v2(persistent);
fseek(persistent->fp, 0, SEEK_SET);
offset = 0;
}
fseek(persistent->fp, offset, SEEK_SET);
return status;
}
static int persistent_cache_open_write(rdpPersistentCache* persistent)
{
PERSISTENT_CACHE_HEADER_V3 header;
persistent->fp = fopen(persistent->filename, "w+b");
@ -280,11 +274,11 @@ static int persistent_cache_open_write(rdpPersistentCache* persistent)
if (persistent->version == 3)
{
PERSISTENT_CACHE_HEADER_V3 header;
strncpy((char*)header.sig, "RDP8bmp", 8);
header.flags = 0x00000006;
if (fwrite(&header, 1, sizeof(PERSISTENT_CACHE_HEADER_V3), persistent->fp) !=
sizeof(PERSISTENT_CACHE_HEADER_V3))
if (fwrite(&header, sizeof(header), 1, persistent->fp) != 1)
return -1;
}

View File

@ -238,7 +238,7 @@ static BOOL rdp_write_client_persistent_key_list_pdu(wStream* s, RDP_BITMAP_PERS
WINPR_ASSERT(s);
WINPR_ASSERT(info);
if (Stream_GetRemainingCapacity(s) < 24)
if (!Stream_EnsureRemainingCapacity(s, 24))
return FALSE;
Stream_Write_UINT16(s, info->numEntriesCache0); /* numEntriesCache0 (2 bytes) */
@ -256,7 +256,8 @@ static BOOL rdp_write_client_persistent_key_list_pdu(wStream* s, RDP_BITMAP_PERS
Stream_Write_UINT16(s, 0); /* pad3 (2 bytes) */
/* entries */
Stream_EnsureRemainingCapacity(s, info->keyCount * 8);
if (!Stream_EnsureRemainingCapacity(s, info->keyCount * 8))
return FALSE;
for (index = 0; index < info->keyCount; index++)
{
@ -277,7 +278,6 @@ static UINT32 rdp_load_persistent_key_list(rdpRdp* rdp, UINT64** pKeyList)
UINT32 keyCount;
UINT64* keyList = NULL;
rdpPersistentCache* persistent;
PERSISTENT_CACHE_ENTRY cacheEntry;
rdpSettings* settings = rdp->settings;
*pKeyList = NULL;
@ -308,6 +308,8 @@ static UINT32 rdp_load_persistent_key_list(rdpRdp* rdp, UINT64** pKeyList)
for (index = 0; index < count; index++)
{
PERSISTENT_CACHE_ENTRY cacheEntry;
if (persistent_cache_read_entry(persistent, &cacheEntry) < 1)
continue;
@ -376,13 +378,13 @@ BOOL rdp_send_client_persistent_key_list_pdu(rdpRdp* rdp)
WLog_DBG(TAG, "persistentKeyList count: %d", info.keyCount);
WLog_DBG(TAG, "numEntriesCache: 0: %d 1: %d 2: %d 3: %d 4: %d", info.numEntriesCache0,
WLog_DBG(TAG, "numEntriesCache: [0]: %d [1]: %d [2]: %d [3]: %d [4]: %d", info.numEntriesCache0,
info.numEntriesCache1, info.numEntriesCache2, info.numEntriesCache3,
info.numEntriesCache4);
WLog_DBG(TAG, "totalEntriesCache: 0: %d 1: %d 2: %d 3: %d 4: %d", info.totalEntriesCache0,
info.totalEntriesCache1, info.totalEntriesCache2, info.totalEntriesCache3,
info.totalEntriesCache4);
WLog_DBG(TAG, "totalEntriesCache: [0]: %d [1]: %d [2]: %d [3]: %d [4]: %d",
info.totalEntriesCache0, info.totalEntriesCache1, info.totalEntriesCache2,
info.totalEntriesCache3, info.totalEntriesCache4);
wStream* s = rdp_data_pdu_init(rdp);