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msi: Properly parse empty format strings. 

Signed-off-by: Zebediah Figura <z.figura12@gmail.com>
Signed-off-by: Hans Leidekker <hans@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2017-07-11 00:18:34 -05:00 committed by Alexandre Julliard
parent 16f0dffd01
commit 51bd884384
2 changed files with 64 additions and 50 deletions
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87
dlls/msi/format.c
View File

@ -276,7 +276,7 @@ static WCHAR *deformat_environment( FORMAT *format, FORMSTR *str, int *ret_len )
}
static WCHAR *deformat_literal( FORMAT *format, FORMSTR *str, BOOL *propfound,
BOOL *nonprop, int *type, int *len )
int *type, int *len )
{
LPCWSTR data = get_formstr_data(format, str);
WCHAR *replaced = NULL;
@ -343,58 +343,24 @@ static LPWSTR build_default_format(const MSIRECORD* record)
{
int i;
int count;
LPWSTR rc, buf;
static const WCHAR fmt[] = {'%','i',':',' ','%','s',' ',0};
static const WCHAR fmt_null[] = {'%','i',':',' ',' ',0};
static const WCHAR fmt_index[] = {'%','i',0};
LPCWSTR str;
WCHAR index[10];
DWORD size, max_len, len;
WCHAR *rc, buf[26];
static const WCHAR fmt[] = {'%','i',':',' ','[','%','i',']',' ',0};
DWORD size;
count = MSI_RecordGetFieldCount(record);
max_len = MAX_PATH;
buf = msi_alloc((max_len + 1) * sizeof(WCHAR));
rc = NULL;
rc = msi_alloc(1);
rc[0] = 0;
size = 1;
for (i = 1; i <= count; i++)
{
sprintfW(index, fmt_index, i);
str = MSI_RecordGetString(record, i);
len = (str) ? lstrlenW(str) : 0;
len += (sizeof(fmt_null)/sizeof(fmt_null[0]) - 3) + lstrlenW(index);
size += len;
if (len > max_len)
{
max_len = len;
buf = msi_realloc(buf, (max_len + 1) * sizeof(WCHAR));
if (!buf)
{
msi_free(rc);
return NULL;
}
}
if (str)
sprintfW(buf, fmt, i, str);
else
sprintfW(buf, fmt_null, i);
if (!rc)
{
rc = msi_alloc(size * sizeof(WCHAR));
lstrcpyW(rc, buf);
}
else
{
rc = msi_realloc(rc, size * sizeof(WCHAR));
lstrcatW(rc, buf);
}
sprintfW(buf, fmt, i, i);
size += lstrlenW(buf);
rc = msi_realloc(rc, size * sizeof(WCHAR));
lstrcatW(rc, buf);
}
msi_free(buf);
return rc;
}
@ -685,7 +651,7 @@ static WCHAR *replace_stack_prop( FORMAT *format, STACK *values,
content->len = *oldsize - 2;
content->type = *type;
if (*type == FORMAT_NUMBER)
if (*type == FORMAT_NUMBER && format->record)
{
replaced = deformat_index( format, content, len );
if (replaced)
@ -699,7 +665,7 @@ static WCHAR *replace_stack_prop( FORMAT *format, STACK *values,
}
else if (format->package)
{
replaced = deformat_literal( format, content, propfound, nonprop, type, len );
replaced = deformat_literal( format, content, propfound, type, len );
}
else
{
@ -791,7 +757,7 @@ static BOOL verify_format(LPWSTR data)
static DWORD deformat_string_internal(MSIPACKAGE *package, LPCWSTR ptr,
WCHAR** data, DWORD *len,
MSIRECORD* record, INT* failcount)
MSIRECORD* record)
{
FORMAT format;
FORMSTR *str = NULL;
@ -877,15 +843,34 @@ UINT MSI_FormatRecordW( MSIPACKAGE* package, MSIRECORD* record, LPWSTR buffer,
WCHAR *format, *deformated;
UINT rc = ERROR_INVALID_PARAMETER;
DWORD len;
MSIRECORD *record_deformated;
int field_count, i;
TRACE("%p %p %p %p\n", package, record, buffer, size);
dump_record(record);
if (!(format = msi_dup_record_field( record, 0 )))
format = build_default_format( record );
TRACE("%s\n", debugstr_w(format));
field_count = MSI_RecordGetFieldCount(record);
record_deformated = MSI_CloneRecord(record);
if (!record_deformated)
{
rc = ERROR_OUTOFMEMORY;
goto end;
}
MSI_RecordSetStringW(record_deformated, 0, format);
for (i = 1; i <= field_count; i++)
{
if (MSI_RecordGetString(record, i))
{
deformat_string_internal(package, MSI_RecordGetString(record, i), &deformated, &len, NULL);
MSI_RecordSetStringW(record_deformated, i, deformated);
msi_free(deformated);
}
}
deformat_string_internal( package, format, &deformated, &len, record, NULL );
deformat_string_internal(package, format, &deformated, &len, record_deformated);
if (buffer)
{
if (*size>len)
@ -907,6 +892,8 @@ UINT MSI_FormatRecordW( MSIPACKAGE* package, MSIRECORD* record, LPWSTR buffer,
else rc = ERROR_SUCCESS;
*size = len;
msiobj_release(&record_deformated->hdr);
end:
msi_free( format );
msi_free( deformated );
return rc;

27
dlls/msi/tests/format.c
View File

@ -494,6 +494,15 @@ static void test_formatrecord(void)
ok( sz == 7, "size wrong\n");
ok( 0 == strcmp(buffer,"boo hoo"), "wrong output\n");
/* self-referential format field */
r = MsiRecordSetStringA(hrec, 0, "[1] test [0]");
ok( r == ERROR_SUCCESS, "set string failed\n");
sz = sizeof buffer;
r = MsiFormatRecordA(0, hrec, buffer, &sz);
ok( r == ERROR_SUCCESS, "format failed\n");
ok( sz == 21, "size wrong\n");
ok( 0 == strcmp(buffer,"boo test [1] test [0]"), "wrong output\n");
/* empty string */
r = MsiRecordSetStringA(hrec, 0, "");
ok( r == ERROR_SUCCESS, "set string failed\n");
@ -504,6 +513,18 @@ static void test_formatrecord(void)
ok( 0 == strcmp(buffer,"1: boo 2: hoo 3: 4: 5: 6: "),
"wrong output(%s)\n",buffer);
/* empty string with numbers */
r = MsiRecordSetStringA(hrec, 1, "123");
ok( r == ERROR_SUCCESS, "set string failed\n");
r = MsiRecordSetInteger(hrec, 2, 4567);
ok( r == ERROR_SUCCESS, "set string failed\n");
sz = sizeof buffer;
r = MsiFormatRecordA(0, hrec, buffer, &sz);
ok( r == ERROR_SUCCESS, "format failed\n");
ok( sz == 31, "size wrong %i\n",sz);
ok( 0 == strcmp(buffer,"1: 123 2: 4567 3: 4: 5: 6: "),
"wrong output(%s)\n",buffer);
/* play games with recursive lookups */
r = MsiRecordSetStringA(hrec, 0, "[[1]] [2]");
ok( r == ERROR_SUCCESS, "set string failed\n");
@ -2575,6 +2596,12 @@ static void test_formatrecord_tables(void)
ok( r == ERROR_SUCCESS, "format record failed: %d\n", r);
ok( !lstrcmpA( buf, "1: ringer " ), "Expected '1: ringer ', got %s\n", buf );
size = MAX_PATH;
MsiRecordSetStringA( hrec, 0, "1: [1] " );
r = MsiFormatRecordA( hpkg, hrec, buf, &size );
ok( r == ERROR_SUCCESS, "format record failed: %d\n", r);
ok( !lstrcmpA( buf, "1: ringer " ), "Expected '1: ringer ', got %s\n", buf );
/* environment variable doesn't exist */
size = MAX_PATH;
MsiRecordSetStringA( hrec, 1, "[%idontexist]" );