appsearch.c

来自「一个类似windows」· C语言 代码 · 共 977 行 · 第 1/3 页

         */
        value = msi_alloc( sz);
        rc = RegQueryValueExW(key, valueName, NULL, &regType, value, &sz);
        if (rc)
        {
            TRACE("RegQueryValueExW returned %d\n", rc);
            rc = ERROR_SUCCESS;
            goto end;
        }

        /* bail out if the registry key is empty */
        if (sz == 0)
        {
            rc = ERROR_SUCCESS;
            goto end;
        }
        
        switch (regType)
        {
            case REG_SZ:
                if (*(LPWSTR)value == '#')
                {
                    /* escape leading pound with another */
                    propertyValue = msi_alloc( sz + sizeof(WCHAR));
                    propertyValue[0] = '#';
                    strcpyW(propertyValue + 1, (LPWSTR)value);
                }
                else
                {
                    propertyValue = msi_alloc( sz);
                    strcpyW(propertyValue, (LPWSTR)value);
                }
                break;
            case REG_DWORD:
                /* 7 chars for digits, 1 for NULL, 1 for #, and 1 for sign
                 * char if needed
                 */
                propertyValue = msi_alloc( 10 * sizeof(WCHAR));
                sprintfW(propertyValue, dwordFmt, *(DWORD *)value);
                break;
            case REG_EXPAND_SZ:
                /* space for extra #% characters in front */
                propertyValue = msi_alloc( sz + 2 * sizeof(WCHAR));
                sprintfW(propertyValue, expandSzFmt, (LPWSTR)value);
                break;
            case REG_BINARY:
                /* 3 == length of "#x<nibble>" */
                propertyValue = msi_alloc( (sz * 3 + 1) * sizeof(WCHAR));
                for (i = 0; i < sz; i++)
                    sprintfW(propertyValue + i * 3, binFmt, value[i]);
                break;
            default:
                WARN("unimplemented for values of type %ld\n", regType);
                goto end;
        }

        TRACE("found registry value, setting %s to %s\n",
         debugstr_w(sig->Property), debugstr_w(propertyValue));
        rc = MSI_SetPropertyW(package, sig->Property, propertyValue);
        *appFound = TRUE;

end:
        msi_free( propertyValue);
        msi_free( value);
        RegCloseKey(key);

        msi_free( keyPath);
        msi_free( valueName);

        msiobj_release(&row->hdr);
        MSI_ViewClose(view);
        msiobj_release(&view->hdr);
    }
    else
    {
        TRACE("MSI_OpenQuery returned %d\n", rc);
        rc = ERROR_SUCCESS;
    }

    TRACE("returning %d\n", rc);
    return rc;
}

static UINT ACTION_AppSearchIni(MSIPACKAGE *package, BOOL *appFound,
 MSISIGNATURE *sig)
{
    MSIQUERY *view;
    UINT rc;
    static const WCHAR ExecSeqQuery[] =  {
   's','e','l','e','c','t',' ','*',' ',
   'f','r','o','m',' ',
   'I','n','i','L','o','c','a','t','o','r',' ',
   'w','h','e','r','e',' ','S','i','g','n','a','t','u','r','e','_',' ','=',' ',
   '\'','%','s','\'',0};

    TRACE("(package %p, appFound %p, sig %p)\n", package, appFound, sig);
    *appFound = FALSE;
    rc = MSI_OpenQuery(package->db, &view, ExecSeqQuery, sig->Name);
    if (rc == ERROR_SUCCESS)
    {
        MSIRECORD *row = 0;
        LPWSTR fileName;

        rc = MSI_ViewExecute(view, 0);
        if (rc != ERROR_SUCCESS)
        {
            TRACE("MSI_ViewExecute returned %d\n", rc);
            goto end;
        }
        rc = MSI_ViewFetch(view,&row);
        if (rc != ERROR_SUCCESS)
        {
            TRACE("MSI_ViewFetch returned %d\n", rc);
            rc = ERROR_SUCCESS;
            goto end;
        }

        /* get file name */
        fileName = msi_dup_record_field(row,2);
        FIXME("AppSearch unimplemented for IniLocator (ini file name %s)\n",
         debugstr_w(fileName));
        msi_free( fileName);

end:
        msiobj_release(&row->hdr);
        MSI_ViewClose(view);
        msiobj_release(&view->hdr);
    }
    else
    {
        TRACE("MSI_OpenQuery returned %d\n", rc);
        rc = ERROR_SUCCESS;
    }


    TRACE("returning %d\n", rc);
    return rc;
}

/* Expands the value in src into a path without property names and only
 * containing long path names into dst.  Replaces at most len characters of dst,
 * and always NULL-terminates dst if dst is not NULL and len >= 1.
 * May modify src.
 * Assumes src and dst are non-overlapping.
 * FIXME: return code probably needed:
 * - what does AppSearch return if the table values are invalid?
 * - what if dst is too small?
 */
static void ACTION_ExpandAnyPath(MSIPACKAGE *package, WCHAR *src, WCHAR *dst,
 size_t len)
{
    WCHAR *ptr;
    size_t copied = 0;

    if (!src || !dst || !len)
        return;

    /* Ignore the short portion of the path, don't think we can use it anyway */
    if ((ptr = strchrW(src, '|')))
        ptr++;
    else
        ptr = src;
    while (*ptr && copied < len - 1)
    {
        WCHAR *prop = strchrW(ptr, '[');

        if (prop)
        {
            WCHAR *propEnd = strchrW(prop + 1, ']');

            if (!propEnd)
            {
                WARN("Unterminated property name in AnyPath: %s\n",
                 debugstr_w(prop));
                break;
            }
            else
            {
                DWORD propLen;

                *propEnd = 0;
                propLen = len - copied - 1;
                MSI_GetPropertyW(package, prop + 1, dst + copied, &propLen);
                ptr = propEnd + 1;
                copied += propLen;
            }
        }
        else
        {
            size_t toCopy = min(strlenW(ptr) + 1, len - copied - 1);

            memcpy(dst + copied, ptr, toCopy * sizeof(WCHAR));
            ptr += toCopy;
            copied += toCopy;
        }
    }
    *(dst + copied) = '\0';
}

/* Sets *matches to whether the file (whose path is filePath) matches the
 * versions set in sig.
 * Return ERROR_SUCCESS in case of success (whether or not the file matches),
 * something else if an install-halting error occurs.
 */
static UINT ACTION_FileVersionMatches(MSISIGNATURE *sig, LPCWSTR filePath,
 BOOL *matches)
{
    UINT rc = ERROR_SUCCESS;

    *matches = FALSE;
    if (sig->Languages)
    {
        FIXME(": need to check version for languages %s\n",
         debugstr_w(sig->Languages));
    }
    else
    {
        DWORD zero, size = GetFileVersionInfoSizeW((LPWSTR)filePath, &zero);

        if (size)
        {
            LPVOID buf = msi_alloc( size);

            if (buf)
            {
                static WCHAR rootW[] = { '\\',0 };
                UINT versionLen;
                LPVOID subBlock = NULL;

                if (GetFileVersionInfoW((LPWSTR)filePath, 0, size, buf))
                    VerQueryValueW(buf, (LPWSTR)rootW, &subBlock, &versionLen);
                if (subBlock)
                {
                    VS_FIXEDFILEINFO *info =
                     (VS_FIXEDFILEINFO *)subBlock;

                    TRACE("Comparing file version %d.%d.%d.%d:\n",
                     HIWORD(info->dwFileVersionMS),
                     LOWORD(info->dwFileVersionMS),
                     HIWORD(info->dwFileVersionLS),
                     LOWORD(info->dwFileVersionLS));
                    if (info->dwFileVersionMS < sig->MinVersionMS
                     || (info->dwFileVersionMS == sig->MinVersionMS &&
                     info->dwFileVersionLS < sig->MinVersionLS))
                    {
                        TRACE("Less than minimum version %d.%d.%d.%d\n",
                         HIWORD(sig->MinVersionMS),
                         LOWORD(sig->MinVersionMS),
                         HIWORD(sig->MinVersionLS),
                         LOWORD(sig->MinVersionLS));
                    }
                    else if (info->dwFileVersionMS < sig->MinVersionMS
                     || (info->dwFileVersionMS == sig->MinVersionMS &&
                     info->dwFileVersionLS < sig->MinVersionLS))
                    {
                        TRACE("Greater than minimum version %d.%d.%d.%d\n",
                         HIWORD(sig->MaxVersionMS),
                         LOWORD(sig->MaxVersionMS),
                         HIWORD(sig->MaxVersionLS),
                         LOWORD(sig->MaxVersionLS));
                    }
                    else
                        *matches = TRUE;
                }
                msi_free( buf);
            }
            else
                rc = ERROR_OUTOFMEMORY;
        }
    }
    return rc;
}

/* Sets *matches to whether the file in findData matches that in sig.
 * fullFilePath is assumed to be the full path of the file specified in
 * findData, which may be necessary to compare the version.
 * Return ERROR_SUCCESS in case of success (whether or not the file matches),
 * something else if an install-halting error occurs.
 */
static UINT ACTION_FileMatchesSig(MSISIGNATURE *sig,
 LPWIN32_FIND_DATAW findData, LPCWSTR fullFilePath, BOOL *matches)
{
    UINT rc = ERROR_SUCCESS;

    *matches = TRUE;
    /* assumes the caller has already ensured the filenames match, so check
     * the other fields..
     */
    if (sig->MinTime.dwLowDateTime || sig->MinTime.dwHighDateTime)
    {
        if (findData->ftCreationTime.dwHighDateTime <
         sig->MinTime.dwHighDateTime ||
         (findData->ftCreationTime.dwHighDateTime == sig->MinTime.dwHighDateTime
         && findData->ftCreationTime.dwLowDateTime <
         sig->MinTime.dwLowDateTime))
            *matches = FALSE;
    }
    if (*matches && (sig->MaxTime.dwLowDateTime || sig->MaxTime.dwHighDateTime))
    {
        if (findData->ftCreationTime.dwHighDateTime >
         sig->MaxTime.dwHighDateTime ||
         (findData->ftCreationTime.dwHighDateTime == sig->MaxTime.dwHighDateTime
         && findData->ftCreationTime.dwLowDateTime >
         sig->MaxTime.dwLowDateTime))
            *matches = FALSE;
    }
    if (*matches && sig->MinSize && findData->nFileSizeLow < sig->MinSize)
        *matches = FALSE;
    if (*matches && sig->MaxSize && findData->nFileSizeLow > sig->MaxSize)
        *matches = FALSE;
    if (*matches && (sig->MinVersionMS || sig->MinVersionLS ||
     sig->MaxVersionMS || sig->MaxVersionLS))
        rc = ACTION_FileVersionMatches(sig, fullFilePath, matches);
    return rc;
}

/* Recursively searches the directory dir for files that match the signature
 * sig, up to (depth + 1) levels deep.  That is, if depth is 0, it searches dir
 * (and only dir).  If depth is 1, searches dir and its immediate
 * subdirectories.
 * Assumes sig->File is not NULL.
 * Returns ERROR_SUCCESS on success (which may include non-critical errors),
 * something else on failures which should halt the install.
 */
static UINT ACTION_RecurseSearchDirectory(MSIPACKAGE *package, BOOL *appFound,
 MSISIGNATURE *sig, LPCWSTR dir, int depth)