Module: wine Branch: master Commit: c5fad0d15694bc213abe4328db4f3913f95e0449 URL: http://source.winehq.org/git/wine.git/?a=commit;h=c5fad0d15694bc213abe4328db...
Author: Juan Lang juan.lang@gmail.com Date: Wed Dec 17 08:55:09 2008 -0800
cryptui: Show the certificate extensions in the details page.
---
dlls/cryptui/main.c | 152 ++++++++++++++++++++++++++++++++++++++++++++++++++- 1 files changed, 149 insertions(+), 3 deletions(-)
diff --git a/dlls/cryptui/main.c b/dlls/cryptui/main.c index fbc2b99..993e953 100644 --- a/dlls/cryptui/main.c +++ b/dlls/cryptui/main.c @@ -1261,10 +1261,156 @@ static void add_v1_fields(HWND hwnd, struct detail_data *data) add_v1_field(hwnd, data, &v1_fields[i]); }
+static WCHAR *crypt_format_extension(PCERT_EXTENSION ext, DWORD formatStrType) +{ + WCHAR *str = NULL; + DWORD size; + + if (CryptFormatObject(X509_ASN_ENCODING, 0, formatStrType, NULL, + ext->pszObjId, ext->Value.pbData, ext->Value.cbData, NULL, &size)) + { + str = HeapAlloc(GetProcessHeap(), 0, size); + CryptFormatObject(X509_ASN_ENCODING, 0, formatStrType, NULL, + ext->pszObjId, ext->Value.pbData, ext->Value.cbData, str, &size); + } + return str; +} + +static WCHAR *field_format_extension_hex_with_ascii(PCERT_EXTENSION ext) +{ + WCHAR *str = NULL; + + if (ext->Value.cbData) + { + /* The output is formatted as: + * <hex bytes> <ascii bytes>\n + * where <hex bytes> is a string of up to 8 bytes, output as %02x, + * and <ascii bytes> is the ASCII equivalent of each byte, or '.' if + * the byte is not printable. + * So, for example, the extension value consisting of the following + * bytes: + * 0x30,0x14,0x31,0x12,0x30,0x10,0x06,0x03,0x55,0x04,0x03, + * 0x13,0x09,0x4a,0x75,0x61,0x6e,0x20,0x4c,0x61,0x6e,0x67 + * is output as: + * 30 14 31 12 30 10 06 03 0.1.0... + * 55 04 03 13 09 4a 75 61 U....Jua + * 6e 20 4c 61 6e 67 n Lang + * The allocation size therefore requires: + * - 4 characters per character in an 8-byte line + * (2 for the hex format, one for the space, one for the ASCII value) + * - 3 more characters per 8-byte line (two spaces and a newline) + * - 1 character for the terminating nul + * FIXME: should use a fixed-width font for this + */ + DWORD lines = (ext->Value.cbData + 7) / 8; + + str = HeapAlloc(GetProcessHeap(), 0, + (lines * 8 * 4 + lines * 3 + 1) * sizeof(WCHAR)); + if (str) + { + static const WCHAR fmt[] = { '%','0','2','x',' ',0 }; + DWORD i, j; + WCHAR *ptr; + + for (i = 0, ptr = str; i < ext->Value.cbData; i += 8) + { + /* Output as hex bytes first */ + for (j = i; j < min(i + 8, ext->Value.cbData); j++, ptr += 3) + sprintfW(ptr, fmt, ext->Value.pbData[j]); + /* Pad the hex output with spaces for alignment */ + if (j == ext->Value.cbData && j % 8) + { + static const WCHAR pad[] = { ' ',' ',' ' }; + + for (; j % 8; j++, ptr += sizeof(pad) / sizeof(pad[0])) + memcpy(ptr, pad, sizeof(pad)); + } + /* The last sprintfW included a space, so just insert one + * more space between the hex bytes and the ASCII output + */ + *ptr++ = ' '; + /* Output as ASCII bytes */ + for (j = i; j < min(i + 8, ext->Value.cbData); j++, ptr++) + { + if (isprintW(ext->Value.pbData[j]) && + !isspaceW(ext->Value.pbData[j])) + *ptr = ext->Value.pbData[j]; + else + *ptr = '.'; + } + *ptr++ = '\n'; + } + *ptr++ = '\0'; + } + } + return str; +} + +static WCHAR *field_format_detailed_extension(PCCERT_CONTEXT cert, void *param) +{ + PCERT_EXTENSION ext = param; + LPWSTR str = crypt_format_extension(ext, + CRYPT_FORMAT_STR_MULTI_LINE | CRYPT_FORMAT_STR_NO_HEX); + + if (!str) + str = field_format_extension_hex_with_ascii(ext); + return str; +} + +static void add_cert_extension_detail(HWND hwnd, struct detail_data *data, + PCERT_EXTENSION ext) +{ + PCCRYPT_OID_INFO oidInfo = CryptFindOIDInfo(CRYPT_OID_INFO_OID_KEY, + ext->pszObjId, 0); + LPWSTR val = crypt_format_extension(ext, 0); + + if (oidInfo) + add_field_and_value_to_list(hwnd, data, (LPWSTR)oidInfo->pwszName, + val, field_format_detailed_extension, ext); + else + { + DWORD len = strlen(ext->pszObjId); + LPWSTR oidW = HeapAlloc(GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR)); + + if (oidW) + { + DWORD i; + + for (i = 0; i <= len; i++) + oidW[i] = ext->pszObjId[i]; + add_field_and_value_to_list(hwnd, data, oidW, val, + field_format_detailed_extension, ext); + HeapFree(GetProcessHeap(), 0, oidW); + } + } + HeapFree(GetProcessHeap(), 0, val); +} + +static void add_all_extensions(HWND hwnd, struct detail_data *data) +{ + DWORD i; + PCCERT_CONTEXT cert = data->pCertViewInfo->pCertContext; + + for (i = 0; i < cert->pCertInfo->cExtension; i++) + add_cert_extension_detail(hwnd, data, &cert->pCertInfo->rgExtension[i]); +} + +static void add_critical_extensions(HWND hwnd, struct detail_data *data) +{ + DWORD i; + PCCERT_CONTEXT cert = data->pCertViewInfo->pCertContext; + + for (i = 0; i < cert->pCertInfo->cExtension; i++) + if (cert->pCertInfo->rgExtension[i].fCritical) + add_cert_extension_detail(hwnd, data, + &cert->pCertInfo->rgExtension[i]); +} + static void add_all_fields(HWND hwnd, struct detail_data *data) { add_v1_fields(hwnd, data); - FIXME("add extensions and properties\n"); + add_all_extensions(hwnd, data); + FIXME("add properties\n"); }
struct selection_list_item @@ -1276,8 +1422,8 @@ struct selection_list_item const struct selection_list_item listItems[] = { { IDS_FIELDS_ALL, add_all_fields }, { IDS_FIELDS_V1, add_v1_fields }, - { IDS_FIELDS_EXTENSIONS, NULL }, - { IDS_FIELDS_CRITICAL_EXTENSIONS, NULL }, + { IDS_FIELDS_EXTENSIONS, add_all_extensions }, + { IDS_FIELDS_CRITICAL_EXTENSIONS, add_critical_extensions }, { IDS_FIELDS_PROPERTIES, NULL }, };