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[db] Fix integer overflow in bind_mfi (ref issue #683) 

Also drop DB_TYPE_CHAR since it's not really being used.
This commit is contained in:
ejurgensen 2019-01-30 23:34:00 +01:00
parent 7abf68200d
commit c70f96fdec
2 changed files with 7 additions and 21 deletions
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26
src/db.c
View File

@ -58,10 +58,9 @@
// Inotify cookies are uint32_t
#define INOTIFY_FAKE_COOKIE ((int64_t)1 << 32)
#define DB_TYPE_CHAR 1
#define DB_TYPE_INT 2
#define DB_TYPE_INT64 3
#define DB_TYPE_STRING 4
#define DB_TYPE_INT 1
#define DB_TYPE_INT64 2
#define DB_TYPE_STRING 3
// Flags that column value is set automatically by the db, e.g. by a trigger
#define DB_FLAG_AUTO (1 << 0)
@ -174,8 +173,8 @@ static const struct col_type_map mfi_cols_map[] =
{ "disc", mfi_offsetof(disc), DB_TYPE_INT },
{ "total_discs", mfi_offsetof(total_discs), DB_TYPE_INT },
{ "bpm", mfi_offsetof(bpm), DB_TYPE_INT },
{ "compilation", mfi_offsetof(compilation), DB_TYPE_CHAR },
{ "artwork", mfi_offsetof(artwork), DB_TYPE_CHAR },
{ "compilation", mfi_offsetof(compilation), DB_TYPE_INT },
{ "artwork", mfi_offsetof(artwork), DB_TYPE_INT },
{ "rating", mfi_offsetof(rating), DB_TYPE_INT, DB_FIXUP_STANDARD, DB_FLAG_NO_ZERO },
{ "play_count", mfi_offsetof(play_count), DB_TYPE_INT, DB_FIXUP_STANDARD, DB_FLAG_NO_ZERO },
{ "skip_count", mfi_offsetof(skip_count), DB_TYPE_INT, DB_FIXUP_STANDARD, DB_FLAG_NO_ZERO },
@ -1034,7 +1033,6 @@ fixup_tags(struct fixup_ctx *ctx)
fixup_func[i](tag, ctx->map[j].fixup, ctx);
break;
case DB_TYPE_CHAR:
case DB_TYPE_INT:
case DB_TYPE_INT64:
fixup_func[i](NULL, ctx->map[j].fixup, ctx);
@ -1098,9 +1096,8 @@ bind_mfi(sqlite3_stmt *stmt, struct media_file_info *mfi)
switch (mfi_cols_map[i].type)
{
case DB_TYPE_CHAR:
case DB_TYPE_INT:
sqlite3_bind_int(stmt, n, *((uint32_t *)ptr));
sqlite3_bind_int64(stmt, n, *((uint32_t *)ptr)); // Use _int64 because _int is for signed int32
break;
case DB_TYPE_INT64:
@ -2889,12 +2886,6 @@ db_file_fetch_byquery(char *query)
{
switch (mfi_cols_map[i].type)
{
case DB_TYPE_CHAR:
cval = (char *)mfi + mfi_cols_map[i].offset;
*cval = sqlite3_column_int(stmt, i);
break;
case DB_TYPE_INT:
ival = (uint32_t *) ((char *)mfi + mfi_cols_map[i].offset);
@ -4486,11 +4477,6 @@ admin_get(const char *key, short type, void *value)
switch (type)
{
case DB_TYPE_CHAR:
cval = (char *) value;
*cval = sqlite3_column_int(stmt, 0);
break;
case DB_TYPE_INT:
ival = (int32_t *) value;

2
src/db.h
View File

@ -175,7 +175,7 @@ struct media_file_info {
uint32_t bpm; /* TBPM */
uint32_t compilation;
char artwork;
uint32_t artwork;
uint32_t rating;
uint32_t play_count;