Juan Lang : cryptui: Filter shown certs according to purpose selection in certificate manager dialog .
Module: wine Branch: master Commit: 0a58167b0733a336f22cea14f14f6cf64a2bd168 URL: http://source.winehq.org/git/wine.git/?a=commit;h=0a58167b0733a336f22cea14f1... Author: Juan Lang <juan.lang(a)gmail.com> Date: Wed Jan 7 17:02:05 2009 -0800 cryptui: Filter shown certs according to purpose selection in certificate manager dialog. --- dlls/cryptui/main.c | 201 +++++++++++++++++++++++++++++++++++++++++++++++++-- 1 files changed, 193 insertions(+), 8 deletions(-) diff --git a/dlls/cryptui/main.c b/dlls/cryptui/main.c index 68fed92..6383e0c 100644 --- a/dlls/cryptui/main.c +++ b/dlls/cryptui/main.c @@ -209,18 +209,27 @@ static LPSTR get_cert_mgr_usages(void) return str; } +typedef enum { + PurposeFilterShowAll = 0, + PurposeFilterShowAdvanced = 1, + PurposeFilterShowOID = 2 +} PurposeFilter; + static void initialize_purpose_selection(HWND hwnd) { HWND cb = GetDlgItem(hwnd, IDC_MGR_PURPOSE_SELECTION); WCHAR buf[MAX_STRING_LEN]; LPSTR usages; + int index; LoadStringW(hInstance, IDS_PURPOSE_ALL, buf, sizeof(buf) / sizeof(buf[0])); - SendMessageW(cb, CB_INSERTSTRING, -1, (LPARAM)buf); + index = SendMessageW(cb, CB_INSERTSTRING, -1, (LPARAM)buf); + SendMessageW(cb, CB_SETITEMDATA, index, (LPARAM)PurposeFilterShowAll); LoadStringW(hInstance, IDS_PURPOSE_ADVANCED, buf, sizeof(buf) / sizeof(buf[0])); - SendMessageW(cb, CB_INSERTSTRING, -1, (LPARAM)buf); + index = SendMessageW(cb, CB_INSERTSTRING, -1, (LPARAM)buf); + SendMessageW(cb, CB_SETITEMDATA, index, (LPARAM)PurposeFilterShowAdvanced); SendMessageW(cb, CB_SETCURSEL, 0, 0); if ((usages = get_cert_mgr_usages())) { @@ -235,26 +244,205 @@ static void initialize_purpose_selection(HWND hwnd) if (comma) *comma = 0; if ((info = CryptFindOIDInfo(CRYPT_OID_INFO_OID_KEY, ptr, 0))) - SendMessageW(GetDlgItem(hwnd, IDC_MGR_PURPOSE_SELECTION), - CB_INSERTSTRING, 0, (LPARAM)info->pwszName); + { + index = SendMessageW(cb, CB_INSERTSTRING, 0, + (LPARAM)info->pwszName); + SendMessageW(cb, CB_SETITEMDATA, index, (LPARAM)info); + } } HeapFree(GetProcessHeap(), 0, usages); } } +extern BOOL WINAPI WTHelperGetKnownUsages(DWORD action, + PCCRYPT_OID_INFO **usages); + +static CERT_ENHKEY_USAGE *add_oid_to_usage(CERT_ENHKEY_USAGE *usage, LPSTR oid) +{ + if (!usage->cUsageIdentifier) + usage->rgpszUsageIdentifier = HeapAlloc(GetProcessHeap(), 0, + sizeof(LPSTR)); + else + usage->rgpszUsageIdentifier = HeapReAlloc(GetProcessHeap(), 0, + usage->rgpszUsageIdentifier, + (usage->cUsageIdentifier + 1) * sizeof(LPSTR)); + if (usage->rgpszUsageIdentifier) + usage->rgpszUsageIdentifier[usage->cUsageIdentifier++] = oid; + else + { + HeapFree(GetProcessHeap(), 0, usage); + usage = NULL; + } + return usage; +} + +static CERT_ENHKEY_USAGE *convert_usages_str_to_usage(LPSTR usageStr) +{ + CERT_ENHKEY_USAGE *usage = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, + sizeof(CERT_ENHKEY_USAGE)); + + if (usage) + { + LPSTR ptr, comma; + + for (ptr = usageStr, comma = strchr(ptr, ','); usage && ptr && *ptr; + ptr = comma ? comma + 1 : NULL, + comma = ptr ? strchr(ptr, ',') : NULL) + { + if (comma) + *comma = 0; + add_oid_to_usage(usage, ptr); + } + } + return usage; +} + +static CERT_ENHKEY_USAGE *create_advanced_filter(void) +{ + CERT_ENHKEY_USAGE *advancedUsage = HeapAlloc(GetProcessHeap(), + HEAP_ZERO_MEMORY, sizeof(CERT_ENHKEY_USAGE)); + + if (advancedUsage) + { + PCCRYPT_OID_INFO *usages; + + if (WTHelperGetKnownUsages(1, &usages)) + { + LPSTR disabledUsagesStr; + + if ((disabledUsagesStr = get_cert_mgr_usages())) + { + CERT_ENHKEY_USAGE *disabledUsages = + convert_usages_str_to_usage(disabledUsagesStr); + + if (disabledUsages) + { + PCCRYPT_OID_INFO *ptr; + + for (ptr = usages; *ptr; ptr++) + { + DWORD i; + BOOL disabled = FALSE; + + for (i = 0; !disabled && + i < disabledUsages->cUsageIdentifier; i++) + if (!strcmp(disabledUsages->rgpszUsageIdentifier[i], + (*ptr)->pszOID)) + disabled = TRUE; + if (!disabled) + add_oid_to_usage(advancedUsage, + (LPSTR)(*ptr)->pszOID); + } + /* The individual strings are pointers to disabledUsagesStr, + * so they're freed when it is. + */ + HeapFree(GetProcessHeap(), 0, + disabledUsages->rgpszUsageIdentifier); + HeapFree(GetProcessHeap(), 0, disabledUsages); + } + HeapFree(GetProcessHeap(), 0, disabledUsagesStr); + } + WTHelperGetKnownUsages(2, &usages); + } + } + return advancedUsage; +} + static void show_store_certs(HWND hwnd, HCERTSTORE store) { HWND lv = GetDlgItem(hwnd, IDC_MGR_CERTS); + HWND cb = GetDlgItem(hwnd, IDC_MGR_PURPOSE_SELECTION); PCCERT_CONTEXT cert = NULL; DWORD allocatedLen = 0; LPWSTR str = NULL; + int index; + PurposeFilter filter = PurposeFilterShowAll; + LPCSTR oid = NULL; + CERT_ENHKEY_USAGE *advanced = NULL; + index = SendMessageW(cb, CB_GETCURSEL, 0, 0); + if (index >= 0) + { + INT_PTR data = SendMessageW(cb, CB_GETITEMDATA, index, 0); + + if (!HIWORD(data)) + filter = data; + else + { + PCCRYPT_OID_INFO info = (PCCRYPT_OID_INFO)data; + + filter = PurposeFilterShowOID; + oid = info->pszOID; + } + } + if (filter == PurposeFilterShowAdvanced) + advanced = create_advanced_filter(); do { cert = CertEnumCertificatesInStore(store, cert); if (cert) - add_cert_to_view(lv, cert, &allocatedLen, &str); + { + BOOL show = FALSE; + + if (filter == PurposeFilterShowAll) + show = TRUE; + else + { + int numOIDs; + DWORD cbOIDs = 0; + + if (CertGetValidUsages(1, &cert, &numOIDs, NULL, &cbOIDs)) + { + if (numOIDs == -1) + { + /* -1 implies all usages are valid */ + show = TRUE; + } + else + { + LPSTR *oids = HeapAlloc(GetProcessHeap(), 0, cbOIDs); + + if (oids) + { + if (CertGetValidUsages(1, &cert, &numOIDs, oids, + &cbOIDs)) + { + int i; + + if (filter == PurposeFilterShowOID) + { + for (i = 0; !show && i < numOIDs; i++) + if (!strcmp(oids[i], oid)) + show = TRUE; + } + else + { + for (i = 0; !show && i < numOIDs; i++) + { + DWORD j; + + for (j = 0; !show && + j < advanced->cUsageIdentifier; j++) + if (!strcmp(oids[i], + advanced->rgpszUsageIdentifier[j])) + show = TRUE; + } + } + } + HeapFree(GetProcessHeap(), 0, oids); + } + } + } + } + if (show) + add_cert_to_view(lv, cert, &allocatedLen, &str); + } } while (cert); HeapFree(GetProcessHeap(), 0, str); + if (advanced) + { + HeapFree(GetProcessHeap(), 0, advanced->rgpszUsageIdentifier); + HeapFree(GetProcessHeap(), 0, advanced); + } } static const WCHAR my[] = { 'M','y',0 }; @@ -375,9 +563,6 @@ static void add_known_usage(HWND lv, PCCRYPT_OID_INFO info, SendMessageW(lv, LVM_INSERTITEMW, 0, (LPARAM)&item); } -extern BOOL WINAPI WTHelperGetKnownUsages(DWORD action, - PCCRYPT_OID_INFO **usages); - static void add_known_usages_to_list(HWND lv, CheckBitmapIndex state) { PCCRYPT_OID_INFO *usages;
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Alexandre Julliard