From: Zebediah Figura zfigura@codeweavers.com
Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=52585 Signed-off-by: Jinoh Kang jinoh.kang.kr@gmail.com ---
Notes: v3: fix a missing dereference in sizeof (thanks Jinoh Kang)
v3 -> v4: split patch, undo parameter rename to minimize patch
dlls/ntdll/tests/om.c | 57 ++++++++++++---------------- dlls/ntdll/unix/sync.c | 86 ++++++++++++++++++++++++++++++++++++++---- server/directory.c | 75 ++++++++++++++++++++++++++++++++++++ server/protocol.def | 18 +++++++++ server/trace.c | 34 +++++++++++++++++ 5 files changed, 229 insertions(+), 41 deletions(-)
diff --git a/dlls/ntdll/tests/om.c b/dlls/ntdll/tests/om.c index 2e03abd13ed..a4408b6e0e6 100644 --- a/dlls/ntdll/tests/om.c +++ b/dlls/ntdll/tests/om.c @@ -2537,9 +2537,9 @@ static void test_query_directory(void) context = 0xdeadbeef; size = 0xdeadbeef; status = NtQueryDirectoryObject( dir, info, 0, FALSE, TRUE, &context, &size ); - todo_wine ok( status == STATUS_NO_MORE_ENTRIES, "got %#lx\n", status ); + ok( status == STATUS_NO_MORE_ENTRIES, "got %#lx\n", status ); ok( context == 0xdeadbeef, "got context %#lx\n", context ); - todo_wine ok( size == sizeof(*info) || broken(!size) /* WoW64 */, "got size %lu\n", size ); + ok( size == sizeof(*info) || broken(!size) /* WoW64 */, "got size %lu\n", size );
context = 0xdeadbeef; size = 0xdeadbeef; @@ -2555,9 +2555,9 @@ static void test_query_directory(void) size = 0xdeadbeef; memset( buffer, 0xcc, sizeof(buffer) ); status = NtQueryDirectoryObject( dir, info, sizeof(buffer), FALSE, TRUE, &context, &size ); - todo_wine ok( status == STATUS_NO_MORE_ENTRIES, "got %#lx\n", status ); + ok( status == STATUS_NO_MORE_ENTRIES, "got %#lx\n", status ); ok( context == 0xdeadbeef, "got context %#lx\n", context ); - todo_wine ok( size == sizeof(*info) || broken(!size) /* WoW64 */, "got size %lu\n", size ); + ok( size == sizeof(*info) || broken(!size) /* WoW64 */, "got size %lu\n", size ); if (size == sizeof(*info)) ok( !memcmp( &info[0], &empty_info, sizeof(*info) ), "entry was not cleared\n" );
@@ -2653,37 +2653,31 @@ static void test_query_directory(void)
memset( buffer, 0xcc, sizeof(buffer) ); status = NtQueryDirectoryObject( dir, info, sizeof(buffer), FALSE, TRUE, &context, &size ); - todo_wine ok( !status, "got %#lx\n", status ); - if (!status) - { - ok( context == 2, "got context %#lx\n", context ); - check_unicode_string( &info[0].ObjectName, name1 ); - check_unicode_string( &info[0].ObjectTypeName, L"Mutant" ); - check_unicode_string( &info[1].ObjectName, name2 ); - check_unicode_string( &info[1].ObjectTypeName, L"Mutant" ); - ok( !memcmp( &info[2], &empty_info, sizeof(*info) ), "entry was not cleared\n" ); - } + ok( !status, "got %#lx\n", status ); + ok( context == 2, "got context %#lx\n", context ); + check_unicode_string( &info[0].ObjectName, name1 ); + check_unicode_string( &info[0].ObjectTypeName, L"Mutant" ); + check_unicode_string( &info[1].ObjectName, name2 ); + check_unicode_string( &info[1].ObjectTypeName, L"Mutant" ); + ok( !memcmp( &info[2], &empty_info, sizeof(*info) ), "entry was not cleared\n" );
needed_size = size; size = 0xdeadbeef; context = 0xdeadbeef; memset( buffer, 0xcc, sizeof(buffer) ); status = NtQueryDirectoryObject( dir, info, needed_size - 1, FALSE, TRUE, &context, &size ); - todo_wine ok( status == STATUS_MORE_ENTRIES, "got %#lx\n", status ); - if (status == STATUS_MORE_ENTRIES) - { - ok( context == 1, "got context %#lx\n", context ); - ok( size > 0 && size < needed_size, "got size %lu\n", size ); - check_unicode_string( &info[0].ObjectName, name1 ); - check_unicode_string( &info[0].ObjectTypeName, L"Mutant" ); - ok( !memcmp( &info[1], &empty_info, sizeof(*info) ), "entry was not cleared\n" ); - } + ok( status == STATUS_MORE_ENTRIES, "got %#lx\n", status ); + ok( context == 1, "got context %#lx\n", context ); + ok( size > 0 && size < needed_size, "got size %lu\n", size ); + check_unicode_string( &info[0].ObjectName, name1 ); + check_unicode_string( &info[0].ObjectTypeName, L"Mutant" ); + ok( !memcmp( &info[1], &empty_info, sizeof(*info) ), "entry was not cleared\n" );
size = 0xdeadbeef; context = 0xdeadbeef; memset( buffer, 0xcc, sizeof(buffer) ); status = NtQueryDirectoryObject( dir, info, sizeof(*info), FALSE, TRUE, &context, &size ); - todo_wine ok( status == STATUS_MORE_ENTRIES + ok( status == STATUS_MORE_ENTRIES || broken(status == STATUS_BUFFER_TOO_SMALL) /* wow64 */, "got %#lx\n", status ); if (status == STATUS_MORE_ENTRIES) { @@ -2695,7 +2689,7 @@ static void test_query_directory(void) size = 0xdeadbeef; context = 0xdeadbeef; status = NtQueryDirectoryObject( dir, info, 0, FALSE, TRUE, &context, &size ); - todo_wine ok( status == STATUS_MORE_ENTRIES + ok( status == STATUS_MORE_ENTRIES || broken(status == STATUS_BUFFER_TOO_SMALL) /* wow64 */, "got %#lx\n", status ); if (status == STATUS_MORE_ENTRIES) { @@ -2706,14 +2700,11 @@ static void test_query_directory(void) context = 1; memset( buffer, 0xcc, sizeof(buffer) ); status = NtQueryDirectoryObject( dir, info, sizeof(buffer), FALSE, FALSE, &context, &size ); - todo_wine ok( !status, "got %#lx\n", status ); - if (!status) - { - ok( context == 2, "got context %#lx\n", context ); - check_unicode_string( &info[0].ObjectName, name2 ); - check_unicode_string( &info[0].ObjectTypeName, L"Mutant" ); - ok( !memcmp( &info[1], &empty_info, sizeof(*info) ), "entry was not cleared\n" ); - } + ok( !status, "got %#lx\n", status ); + ok( context == 2, "got context %#lx\n", context ); + check_unicode_string( &info[0].ObjectName, name2 ); + check_unicode_string( &info[0].ObjectTypeName, L"Mutant" ); + ok( !memcmp( &info[1], &empty_info, sizeof(*info) ), "entry was not cleared\n" );
NtClose( child1 ); NtClose( child2 ); diff --git a/dlls/ntdll/unix/sync.c b/dlls/ntdll/unix/sync.c index 1194ee514b5..cce1ac6f264 100644 --- a/dlls/ntdll/unix/sync.c +++ b/dlls/ntdll/unix/sync.c @@ -1110,8 +1110,11 @@ NTSTATUS WINAPI NtQueryDirectoryObject( HANDLE handle, DIRECTORY_BASIC_INFORMATI ULONG size, BOOLEAN single_entry, BOOLEAN restart, ULONG *context, ULONG *ret_size ) { + unsigned int i, count, pos, used_size, used_count; ULONG index = restart ? 0 : *context; - NTSTATUS ret; + struct directory_entry *entries; + NTSTATUS status; + char *p;
if (single_entry) { @@ -1121,7 +1124,7 @@ NTSTATUS WINAPI NtQueryDirectoryObject( HANDLE handle, DIRECTORY_BASIC_INFORMATI req->index = index; if (size >= 2 * sizeof(*buffer) + 2 * sizeof(WCHAR)) wine_server_set_reply( req, buffer + 2, size - 2 * sizeof(*buffer) - 2 * sizeof(WCHAR) ); - if (!(ret = wine_server_call( req ))) + if (!(status = wine_server_call( req ))) { buffer->ObjectName.Buffer = (WCHAR *)(buffer + 2); buffer->ObjectName.Length = reply->name_len; @@ -1139,24 +1142,91 @@ NTSTATUS WINAPI NtQueryDirectoryObject( HANDLE handle, DIRECTORY_BASIC_INFORMATI
*context = index + 1; } - else if (ret == STATUS_NO_MORE_ENTRIES) + else if (status == STATUS_NO_MORE_ENTRIES) { if (size > sizeof(*buffer)) memset( buffer, 0, sizeof(*buffer) ); if (ret_size) *ret_size = sizeof(*buffer); }
- if (ret_size && (!ret || ret == STATUS_BUFFER_TOO_SMALL)) + if (ret_size && (!status || status == STATUS_BUFFER_TOO_SMALL)) *ret_size = 2 * sizeof(*buffer) + reply->total_len + 2 * sizeof(WCHAR); } SERVER_END_REQ; + return status; } - else + + if (!(entries = malloc( size ))) return STATUS_NO_MEMORY; + + SERVER_START_REQ( get_directory_entries ) { - FIXME("multiple entries not implemented\n"); - ret = STATUS_NOT_IMPLEMENTED; + req->handle = wine_server_obj_handle( handle ); + req->index = index; + wine_server_set_reply( req, entries, size ); + status = wine_server_call( req ); + count = reply->count; } - return ret; + SERVER_END_REQ; + + if (status && status != STATUS_MORE_ENTRIES) + { + free( entries ); + return status; + } + + used_count = 0; + used_size = sizeof(*buffer); /* null terminator */ + for (i = pos = 0; i < count; ++i) + { + const struct directory_entry *entry = (const struct directory_entry *)((char *)entries + pos); + unsigned int entry_size = sizeof(*buffer) + entry->name_len + entry->type_len + 2 * sizeof(WCHAR); + + if (used_size + entry_size > size) + { + status = STATUS_MORE_ENTRIES; + break; + } + used_count++; + used_size += entry_size; + pos += sizeof(*entry) + ((entry->name_len + entry->type_len + 3) & ~3); + } + + p = (char *)&buffer[used_count + 1]; /* after the null terminator */ + for (i = pos = 0; i < used_count; ++i) + { + const struct directory_entry *entry = (const struct directory_entry *)((char *)entries + pos); + + buffer[i].ObjectName.Buffer = (WCHAR *)p; + buffer[i].ObjectName.Length = entry->name_len; + buffer[i].ObjectName.MaximumLength = entry->name_len + sizeof(WCHAR); + memcpy( p, (entry + 1), entry->name_len ); + buffer[i].ObjectName.Buffer[entry->name_len / sizeof(WCHAR)] = 0; + p += entry->name_len + sizeof(WCHAR); + + buffer[i].ObjectTypeName.Buffer = (WCHAR *)p; + buffer[i].ObjectTypeName.Length = entry->type_len; + buffer[i].ObjectTypeName.MaximumLength = entry->type_len + sizeof(WCHAR); + memcpy( p, (char *)(entry + 1) + entry->name_len, entry->type_len ); + buffer[i].ObjectTypeName.Buffer[entry->type_len / sizeof(WCHAR)] = 0; + p += entry->type_len + sizeof(WCHAR); + + pos += sizeof(*entry) + ((entry->name_len + entry->type_len + 3) & ~3); + } + + if (size >= sizeof(*buffer)) + memset( &buffer[used_count], 0, sizeof(buffer[used_count]) ); + + free( entries ); + + if (!count && !status) + { + if (ret_size) *ret_size = sizeof(*buffer); + return STATUS_NO_MORE_ENTRIES; + } + + *context = index + used_count; + if (ret_size) *ret_size = (char *)p - (char *)buffer; + return status; }
diff --git a/server/directory.c b/server/directory.c index fdcfe9bef21..f35e5f35ede 100644 --- a/server/directory.c +++ b/server/directory.c @@ -532,6 +532,81 @@ DECL_HANDLER(open_directory) &directory_ops, &name, req->attributes ); }
+/* get directory entries */ +DECL_HANDLER(get_directory_entries) +{ + struct directory *dir = (struct directory *)get_handle_obj( current->process, req->handle, + DIRECTORY_QUERY, &directory_ops ); + if (dir) + { + struct directory_entry *entry; + struct object *obj; + data_size_t size; + unsigned int i; + char *buffer; + + size = 0; + for (i = 0; ; ++i) + { + const struct unicode_str *type_name; + data_size_t name_len; + size_t entry_size; + + if (!(obj = find_object_index( dir->entries, req->index + i ))) + break; + type_name = &obj->ops->type->name; + get_object_name( obj, &name_len ); + entry_size = (sizeof(*entry) + name_len + type_name->len + 3) & ~3; + release_object( obj ); + + if (size + entry_size > get_reply_max_size()) + { + set_error( STATUS_MORE_ENTRIES ); + break; + } + size += entry_size; + } + reply->count = i; + + if (!(buffer = set_reply_data_size( size ))) + { + release_object( dir ); + return; + } + + size = 0; + for (i = 0; i < reply->count; ++i) + { + const struct unicode_str *type_name; + data_size_t name_len; + const WCHAR *name; + + obj = find_object_index( dir->entries, req->index + i ); + assert( obj ); + type_name = &obj->ops->type->name; + name = get_object_name( obj, &name_len ); + + entry = (struct directory_entry *)(buffer + size); + entry->name_len = name_len; + entry->type_len = type_name->len; + + size += sizeof(*entry); + memcpy( buffer + size, name, name_len ); + size += name_len; + memcpy( buffer + size, type_name->str, type_name->len ); + size += type_name->len; + if (size & 3) + { + memset( buffer + size, 0, 4 - (size & 3) ); + size += 4 - (size & 3); + } + + release_object( obj ); + } + release_object( dir ); + } +} + /* get a directory entry by index */ DECL_HANDLER(get_directory_entry) { diff --git a/server/protocol.def b/server/protocol.def index 2be1658fca2..7a06a6e8455 100644 --- a/server/protocol.def +++ b/server/protocol.def @@ -847,6 +847,14 @@ typedef struct lparam_t info; } cursor_pos_t;
+struct directory_entry +{ + data_size_t name_len; + data_size_t type_len; + /* VARARG(name,unicode_str,name_len); */ + /* VARARG(type,unicode_str,type_len); */ +}; + /****************************************************************/ /* Request declarations */
@@ -3271,6 +3279,16 @@ struct handle_info @END
+/* Get directory entries */ +@REQ(get_directory_entries) + obj_handle_t handle; /* handle to the directory */ + unsigned int index; /* index of first entry */ +@REPLY + unsigned int count; /* number of entries returned */ + VARARG(entries,directory_entries); +@END + + /* Get a directory entry by index */ @REQ(get_directory_entry) obj_handle_t handle; /* handle to the directory */ diff --git a/server/trace.c b/server/trace.c index 15ca4e7d71e..4482b02a914 100644 --- a/server/trace.c +++ b/server/trace.c @@ -1349,6 +1349,40 @@ static void dump_varargs_handle_infos( const char *prefix, data_size_t size ) fputc( '}', stderr ); }
+static void dump_varargs_directory_entries( const char *prefix, data_size_t size ) +{ + fprintf( stderr, "%s{", prefix ); + while (size) + { + const struct directory_entry *entry = cur_data; + data_size_t entry_size; + const char *next; + + if (size < sizeof(*entry) || + (size - sizeof(*entry) < entry->name_len) || + (size - sizeof(*entry) - entry->name_len < entry->type_len)) + { + fprintf( stderr, "***invalid***}" ); + remove_data( size ); + return; + } + + next = (const char *)(entry + 1); + fprintf( stderr, "{name=L"" ); + dump_strW( (const WCHAR *)next, entry->name_len, stderr, """" ); + next += entry->name_len; + fprintf( stderr, "",type=L"" ); + dump_strW( (const WCHAR *)next, entry->type_len, stderr, """" ); + fprintf( stderr, ""}" ); + + entry_size = min( size, (sizeof(*entry) + entry->name_len + entry->type_len + 3) & ~3 ); + size -= entry_size; + remove_data( entry_size ); + if (size) fputc( ',', stderr ); + } + fputc( '}', stderr ); +} + typedef void (*dump_func)( const void *req );
/* Everything below this line is generated automatically by tools/make_requests */