cryptui: Show the certificate extensions in the details page.
This commit is contained in:
Juan Lang
Alexandre Julliard
parent
bac337e68b
commit
c5fad0d156
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@ -1261,10 +1261,156 @@ static void add_v1_fields(HWND hwnd, struct detail_data *data)
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add_v1_field(hwnd, data, &v1_fields[i]);
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}
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static WCHAR *crypt_format_extension(PCERT_EXTENSION ext, DWORD formatStrType)
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{
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WCHAR *str = NULL;
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DWORD size;
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if (CryptFormatObject(X509_ASN_ENCODING, 0, formatStrType, NULL,
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ext->pszObjId, ext->Value.pbData, ext->Value.cbData, NULL, &size))
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{
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str = HeapAlloc(GetProcessHeap(), 0, size);
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CryptFormatObject(X509_ASN_ENCODING, 0, formatStrType, NULL,
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ext->pszObjId, ext->Value.pbData, ext->Value.cbData, str, &size);
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}
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return str;
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}
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static WCHAR *field_format_extension_hex_with_ascii(PCERT_EXTENSION ext)
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{
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WCHAR *str = NULL;
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if (ext->Value.cbData)
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{
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/* The output is formatted as:
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* <hex bytes> <ascii bytes>\n
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* where <hex bytes> is a string of up to 8 bytes, output as %02x,
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* and <ascii bytes> is the ASCII equivalent of each byte, or '.' if
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* the byte is not printable.
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* So, for example, the extension value consisting of the following
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* bytes:
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* 0x30,0x14,0x31,0x12,0x30,0x10,0x06,0x03,0x55,0x04,0x03,
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* 0x13,0x09,0x4a,0x75,0x61,0x6e,0x20,0x4c,0x61,0x6e,0x67
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* is output as:
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* 30 14 31 12 30 10 06 03 0.1.0...
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* 55 04 03 13 09 4a 75 61 U....Jua
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* 6e 20 4c 61 6e 67 n Lang
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* The allocation size therefore requires:
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* - 4 characters per character in an 8-byte line
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* (2 for the hex format, one for the space, one for the ASCII value)
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* - 3 more characters per 8-byte line (two spaces and a newline)
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* - 1 character for the terminating nul
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* FIXME: should use a fixed-width font for this
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*/
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DWORD lines = (ext->Value.cbData + 7) / 8;
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str = HeapAlloc(GetProcessHeap(), 0,
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(lines * 8 * 4 + lines * 3 + 1) * sizeof(WCHAR));
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if (str)
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{
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static const WCHAR fmt[] = { '%','0','2','x',' ',0 };
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DWORD i, j;
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WCHAR *ptr;
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for (i = 0, ptr = str; i < ext->Value.cbData; i += 8)
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{
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/* Output as hex bytes first */
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for (j = i; j < min(i + 8, ext->Value.cbData); j++, ptr += 3)
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sprintfW(ptr, fmt, ext->Value.pbData[j]);
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/* Pad the hex output with spaces for alignment */
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if (j == ext->Value.cbData && j % 8)
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{
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static const WCHAR pad[] = { ' ',' ',' ' };
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for (; j % 8; j++, ptr += sizeof(pad) / sizeof(pad[0]))
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memcpy(ptr, pad, sizeof(pad));
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}
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/* The last sprintfW included a space, so just insert one
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* more space between the hex bytes and the ASCII output
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*/
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*ptr++ = ' ';
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/* Output as ASCII bytes */
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for (j = i; j < min(i + 8, ext->Value.cbData); j++, ptr++)
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{
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if (isprintW(ext->Value.pbData[j]) &&
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!isspaceW(ext->Value.pbData[j]))
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*ptr = ext->Value.pbData[j];
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else
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*ptr = '.';
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}
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*ptr++ = '\n';
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}
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*ptr++ = '\0';
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}
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}
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return str;
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}
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static WCHAR *field_format_detailed_extension(PCCERT_CONTEXT cert, void *param)
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{
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PCERT_EXTENSION ext = param;
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LPWSTR str = crypt_format_extension(ext,
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CRYPT_FORMAT_STR_MULTI_LINE | CRYPT_FORMAT_STR_NO_HEX);
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if (!str)
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str = field_format_extension_hex_with_ascii(ext);
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return str;
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}
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static void add_cert_extension_detail(HWND hwnd, struct detail_data *data,
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PCERT_EXTENSION ext)
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{
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PCCRYPT_OID_INFO oidInfo = CryptFindOIDInfo(CRYPT_OID_INFO_OID_KEY,
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ext->pszObjId, 0);
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LPWSTR val = crypt_format_extension(ext, 0);
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if (oidInfo)
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add_field_and_value_to_list(hwnd, data, (LPWSTR)oidInfo->pwszName,
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val, field_format_detailed_extension, ext);
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else
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{
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DWORD len = strlen(ext->pszObjId);
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LPWSTR oidW = HeapAlloc(GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR));
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if (oidW)
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{
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DWORD i;
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for (i = 0; i <= len; i++)
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oidW[i] = ext->pszObjId[i];
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add_field_and_value_to_list(hwnd, data, oidW, val,
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field_format_detailed_extension, ext);
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HeapFree(GetProcessHeap(), 0, oidW);
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}
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}
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HeapFree(GetProcessHeap(), 0, val);
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}
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static void add_all_extensions(HWND hwnd, struct detail_data *data)
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{
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DWORD i;
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PCCERT_CONTEXT cert = data->pCertViewInfo->pCertContext;
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for (i = 0; i < cert->pCertInfo->cExtension; i++)
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add_cert_extension_detail(hwnd, data, &cert->pCertInfo->rgExtension[i]);
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}
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static void add_critical_extensions(HWND hwnd, struct detail_data *data)
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{
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DWORD i;
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PCCERT_CONTEXT cert = data->pCertViewInfo->pCertContext;
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for (i = 0; i < cert->pCertInfo->cExtension; i++)
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if (cert->pCertInfo->rgExtension[i].fCritical)
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add_cert_extension_detail(hwnd, data,
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&cert->pCertInfo->rgExtension[i]);
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}
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static void add_all_fields(HWND hwnd, struct detail_data *data)
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{
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add_v1_fields(hwnd, data);
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FIXME("add extensions and properties\n");
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add_all_extensions(hwnd, data);
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FIXME("add properties\n");
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}
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struct selection_list_item
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@ -1276,8 +1422,8 @@ struct selection_list_item
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const struct selection_list_item listItems[] = {
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{ IDS_FIELDS_ALL, add_all_fields },
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{ IDS_FIELDS_V1, add_v1_fields },
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{ IDS_FIELDS_EXTENSIONS, NULL },
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{ IDS_FIELDS_CRITICAL_EXTENSIONS, NULL },
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{ IDS_FIELDS_EXTENSIONS, add_all_extensions },
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{ IDS_FIELDS_CRITICAL_EXTENSIONS, add_critical_extensions },
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{ IDS_FIELDS_PROPERTIES, NULL },
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};
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