Paul Gofman : crypt32: Fix filling short output in CertRDNValueToStrW().
Module: wine Branch: master Commit: a78f2319e8da08aaf1704e62876ac476736bd9eb URL: https://source.winehq.org/git/wine.git/?a=commit;h=a78f2319e8da08aaf1704e628... Author: Paul Gofman <pgofman(a)codeweavers.com> Date: Thu Apr 14 16:34:57 2022 +0300 crypt32: Fix filling short output in CertRDNValueToStrW(). Signed-off-by: Alexandre Julliard <julliard(a)winehq.org> --- dlls/crypt32/str.c | 38 +++++++++++++---------------------- dlls/crypt32/tests/str.c | 52 +++++++++++++++++++++++++++--------------------- 2 files changed, 43 insertions(+), 47 deletions(-) diff --git a/dlls/crypt32/str.c b/dlls/crypt32/str.c index 8a1684f07ad..732dcb5ae33 100644 --- a/dlls/crypt32/str.c +++ b/dlls/crypt32/str.c @@ -99,7 +99,7 @@ DWORD WINAPI CertRDNValueToStrA(DWORD dwValueType, PCERT_RDN_VALUE_BLOB pValue, DWORD WINAPI CertRDNValueToStrW(DWORD dwValueType, PCERT_RDN_VALUE_BLOB pValue, LPWSTR psz, DWORD csz) { - DWORD ret = 0, len, i, strLen; + DWORD ret = 0, len, i; TRACE("(%ld, %p, %p, %ld)\n", dwValueType, pValue, psz, csz); @@ -116,44 +116,34 @@ DWORD WINAPI CertRDNValueToStrW(DWORD dwValueType, PCERT_RDN_VALUE_BLOB pValue, case CERT_RDN_VISIBLE_STRING: case CERT_RDN_GENERAL_STRING: len = pValue->cbData; - if (!psz || !csz) - ret = len; - else + if (!psz || !csz) ret = len; + else if (len < csz) { - WCHAR *ptr = psz; - - for (i = 0; i < pValue->cbData && ptr - psz < csz; ptr++, i++) - *ptr = pValue->pbData[i]; - ret = ptr - psz; + for (i = 0; i < len; ++i) + psz[i] = pValue->pbData[i]; + ret = len; } break; case CERT_RDN_BMP_STRING: case CERT_RDN_UTF8_STRING: - strLen = len = pValue->cbData / sizeof(WCHAR); + len = pValue->cbData / sizeof(WCHAR); if (!psz || !csz) ret = len; - else + else if (len < csz) { WCHAR *ptr = psz; - for (i = 0; i < strLen && ptr - psz < csz; ptr++, i++) - *ptr = ((LPCWSTR)pValue->pbData)[i]; - ret = ptr - psz; + for (i = 0; i < len; ++i) + ptr[i] = ((LPCWSTR)pValue->pbData)[i]; + ret = len; } break; default: FIXME("string type %ld unimplemented\n", dwValueType); } - if (psz && csz) - { - *(psz + ret) = '\0'; - csz--; - ret++; - } - else - ret++; - TRACE("returning %ld (%s)\n", ret, debugstr_w(psz)); - return ret; + if (psz && csz) psz[ret] = 0; + TRACE("returning %ld (%s)\n", ret + 1, debugstr_w(psz)); + return ret + 1; } static inline BOOL is_quotable_char(WCHAR c) diff --git a/dlls/crypt32/tests/str.c b/dlls/crypt32/tests/str.c index f2ee5b96853..62889242e94 100644 --- a/dlls/crypt32/tests/str.c +++ b/dlls/crypt32/tests/str.c @@ -39,7 +39,6 @@ typedef struct _CertRDNAttrEncodingW { DWORD dwValueType; CERT_RDN_VALUE_BLOB Value; LPCWSTR str; - BOOL todo; } CertRDNAttrEncodingW, *PCertRDNAttrEncodingW; static BYTE bin1[] = { 0x55, 0x53 }; @@ -202,33 +201,34 @@ static void test_CertRDNValueToStrW(void) static const WCHAR ePKIW[] = L"ePKI Root Certification Authority"; CertRDNAttrEncodingW attrs[] = { { "2.5.4.6", CERT_RDN_PRINTABLE_STRING, - { sizeof(bin1), bin1 }, L"US", FALSE }, + { sizeof(bin1), bin1 }, L"US" }, { "2.5.4.8", CERT_RDN_PRINTABLE_STRING, - { sizeof(bin2), bin2 }, L"Minnesota", FALSE }, + { sizeof(bin2), bin2 }, L"Minnesota" }, { "2.5.4.7", CERT_RDN_PRINTABLE_STRING, - { sizeof(bin3), bin3 }, L"Minneapolis", FALSE }, + { sizeof(bin3), bin3 }, L"Minneapolis" }, { "2.5.4.10", CERT_RDN_PRINTABLE_STRING, - { sizeof(bin4), bin4 }, L"CodeWeavers", FALSE }, + { sizeof(bin4), bin4 }, L"CodeWeavers" }, { "2.5.4.11", CERT_RDN_PRINTABLE_STRING, - { sizeof(bin5), bin5 }, L"Wine Development", FALSE }, + { sizeof(bin5), bin5 }, L"Wine Development" }, { "2.5.4.3", CERT_RDN_PRINTABLE_STRING, - { sizeof(bin6), bin6 }, L"localhost", FALSE }, + { sizeof(bin6), bin6 }, L"localhost" }, { "1.2.840.113549.1.9.1", CERT_RDN_IA5_STRING, - { sizeof(bin7), bin7 }, L"aric(a)codeweavers.com", FALSE }, + { sizeof(bin7), bin7 }, L"aric(a)codeweavers.com" }, { "0", CERT_RDN_PRINTABLE_STRING, - { sizeof(bin9), bin9 }, L"abc\"def", FALSE }, + { sizeof(bin9), bin9 }, L"abc\"def" }, { "0", CERT_RDN_PRINTABLE_STRING, - { sizeof(bin10), bin10 }, L"abc'def", FALSE }, + { sizeof(bin10), bin10 }, L"abc'def" }, { "0", CERT_RDN_PRINTABLE_STRING, - { sizeof(bin11), bin11 }, L"abc, def", FALSE }, + { sizeof(bin11), bin11 }, L"abc, def" }, { "0", CERT_RDN_PRINTABLE_STRING, - { sizeof(bin12), bin12 }, L" abc ", FALSE }, + { sizeof(bin12), bin12 }, L" abc " }, { "0", CERT_RDN_PRINTABLE_STRING, - { sizeof(bin13), bin13 }, L"\"def\"", FALSE }, + { sizeof(bin13), bin13 }, L"\"def\"" }, { "0", CERT_RDN_PRINTABLE_STRING, - { sizeof(bin14), bin14 }, L"1;3", FALSE }, + { sizeof(bin14), bin14 }, L"1;3" }, }; - DWORD i, ret; + unsigned int i; + DWORD ret, len; WCHAR buffer[2000]; CERT_RDN_VALUE_BLOB blob = { 0, NULL }; @@ -245,14 +245,20 @@ static void test_CertRDNValueToStrW(void) for (i = 0; i < ARRAY_SIZE(attrs); i++) { - ret = CertRDNValueToStrW(attrs[i].dwValueType, &attrs[i].Value, buffer, ARRAY_SIZE(buffer)); - todo_wine_if (attrs[i].todo) - { - ok(ret == lstrlenW(attrs[i].str) + 1, - "Expected length %d, got %ld\n", lstrlenW(attrs[i].str) + 1, ret); - ok(!lstrcmpW(buffer, attrs[i].str), "Expected %s, got %s\n", - wine_dbgstr_w(attrs[i].str), wine_dbgstr_w(buffer)); - } + len = CertRDNValueToStrW(attrs[i].dwValueType, &attrs[i].Value, buffer, ARRAY_SIZE(buffer)); + ok(len == lstrlenW(attrs[i].str) + 1, + "Expected length %d, got %ld\n", lstrlenW(attrs[i].str) + 1, ret); + ok(!lstrcmpW(buffer, attrs[i].str), "Expected %s, got %s\n", + wine_dbgstr_w(attrs[i].str), wine_dbgstr_w(buffer)); + memset(buffer, 0xcc, sizeof(buffer)); + ret = CertRDNValueToStrW(attrs[i].dwValueType, &attrs[i].Value, buffer, len - 1); + ok(ret == 1, "Unexpected ret %lu, expected 1, test %u.\n", ret, i); + ok(!buffer[0], "Unexpected value %#x, test %u.\n", buffer[0], i); + ok(buffer[1] == 0xcccc, "Unexpected value %#x, test %u.\n", buffer[1], i); + memset(buffer, 0xcc, sizeof(buffer)); + ret = CertRDNValueToStrW(attrs[i].dwValueType, &attrs[i].Value, buffer, 0); + ok(ret == len, "Unexpected ret %lu, expected %lu, test %u.\n", ret, len, i); + ok(buffer[0] == 0xcccc, "Unexpected value %#x, test %u.\n", buffer[0], i); } blob.pbData = bin8; blob.cbData = sizeof(bin8);
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Alexandre Julliard