| 1 | // Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information. |
| 2 | |
| 3 | #include "precomp.h" |
| 4 | |
| 5 | enum eWebAppExtensionQuery { wappextqExtension = 1, wappextqVerbs, wappextqExecutable, wappextqAttributes, wappextqApplication }; |
| 6 | |
| 7 | // prototypes for private helper functions |
| 8 | static HRESULT NewAppExt( |
| 9 | __out SCA_WEB_APPLICATION_EXTENSION** ppswappext |
| 10 | ); |
| 11 | static SCA_WEB_APPLICATION_EXTENSION* AddAppExtToList( |
| 12 | __in SCA_WEB_APPLICATION_EXTENSION* pswappextList, |
| 13 | __in SCA_WEB_APPLICATION_EXTENSION* pswappext |
| 14 | ); |
| 15 | |
| 16 | |
| 17 | |
| 18 | HRESULT ScaWebAppExtensionsRead( |
| 19 | __in LPCWSTR wzApplication, |
| 20 | __in WCA_WRAPQUERY_HANDLE hWebAppExtQuery, |
| 21 | __inout SCA_WEB_APPLICATION_EXTENSION** ppswappextList |
| 22 | ) |
| 23 | { |
| 24 | HRESULT hr = S_OK; |
| 25 | MSIHANDLE hRec; |
| 26 | |
| 27 | SCA_WEB_APPLICATION_EXTENSION* pswappext = NULL; |
| 28 | LPWSTR pwzData = NULL; |
| 29 | |
| 30 | // Reset back to the first record |
| 31 | WcaFetchWrappedReset(hWebAppExtQuery); |
| 32 | |
| 33 | // get the application extension information |
| 34 | while (S_OK == (hr = WcaFetchWrappedRecordWhereString(hWebAppExtQuery, wappextqApplication, wzApplication, &hRec))) |
| 35 | { |
| 36 | hr = NewAppExt(&pswappext); |
| 37 | ExitOnFailure(hr, "failed to create new web app extension"); |
| 38 | |
| 39 | // get the extension |
| 40 | hr = WcaGetRecordString(hRec, wappextqExtension, &pwzData); |
| 41 | ExitOnFailure(hr, "Failed to get Web Application Extension"); |
| 42 | hr = ::StringCchCopyW(pswappext->wzExtension, countof(pswappext->wzExtension), pwzData); |
| 43 | ExitOnFailure(hr, "Failed to copy extension string to webappext object"); |
| 44 | |
| 45 | // application extension verbs |
| 46 | hr = WcaGetRecordString(hRec, wappextqVerbs, &pwzData); |
| 47 | ExitOnFailure(hr, "Failed to get Verbs for Application: '%ls'", wzApplication); |
| 48 | hr = ::StringCchCopyW(pswappext->wzVerbs, countof(pswappext->wzVerbs), pwzData); |
| 49 | ExitOnFailure(hr, "Failed to copy verbs string to webappext object"); |
| 50 | |
| 51 | // extension executeable |
| 52 | hr = WcaGetRecordString(hRec, wappextqExecutable, &pwzData); |
| 53 | ExitOnFailure(hr, "Failed to get Executable for Application: '%ls'", wzApplication); |
| 54 | hr = ::StringCchCopyW(pswappext->wzExecutable, countof(pswappext->wzExecutable), pwzData); |
| 55 | ExitOnFailure(hr, "Failed to copy executable string to webappext object"); |
| 56 | |
| 57 | hr = WcaGetRecordInteger(hRec, wappextqAttributes, &pswappext->iAttributes); |
| 58 | if (S_FALSE == hr) |
| 59 | { |
| 60 | pswappext->iAttributes = 0; |
| 61 | hr = S_OK; |
| 62 | } |
| 63 | ExitOnFailure(hr, "Failed to get App isolation"); |
| 64 | |
| 65 | *ppswappextList = AddAppExtToList(*ppswappextList, pswappext); |
| 66 | pswappext = NULL; // set the appext NULL so it doesn't accidentally get freed below |
| 67 | } |
| 68 | |
| 69 | if (E_NOMOREITEMS == hr) |
| 70 | { |
| 71 | hr = S_OK; |
| 72 | } |
| 73 | |
| 74 | LExit: |
| 75 | // if anything was left over after an error clean it all up |
| 76 | if (pswappext) |
| 77 | { |
| 78 | ScaWebAppExtensionsFreeList(pswappext); |
| 79 | } |
| 80 | |
| 81 | ReleaseStr(pwzData); |
| 82 | |
| 83 | return hr; |
| 84 | } |
| 85 | |
| 86 | |
| 87 | |
| 88 | HRESULT ScaWebAppExtensionsWrite( |
| 89 | __in IMSAdminBase* piMetabase, |
| 90 | __in LPCWSTR wzRootOfWeb, |
| 91 | __in SCA_WEB_APPLICATION_EXTENSION* pswappextList |
| 92 | ) |
| 93 | { |
| 94 | HRESULT hr = S_OK; |
| 95 | |
| 96 | LPWSTR wzAppExt = NULL; |
| 97 | DWORD cchAppExt; |
| 98 | WCHAR wzAppExtension[1024]; |
| 99 | WCHAR wzAppExtensions[65536]; |
| 100 | SCA_WEB_APPLICATION_EXTENSION* pswappext = NULL; |
| 101 | |
| 102 | if (!pswappextList) |
| 103 | { |
| 104 | ExitFunction(); |
| 105 | } |
| 106 | |
| 107 | ::ZeroMemory(wzAppExtensions, sizeof(wzAppExtensions)); |
| 108 | wzAppExt = wzAppExtensions; |
| 109 | cchAppExt = countof(wzAppExtensions); |
| 110 | pswappext = pswappextList; |
| 111 | |
| 112 | while (pswappext) |
| 113 | { |
| 114 | // if all (represented by "*" or blank) |
| 115 | if (0 == lstrcmpW(pswappext->wzExtension, L"*") || 0 == lstrlenW(pswappext->wzExtension)) |
| 116 | { |
| 117 | hr = ::StringCchPrintfW(wzAppExtension, countof(wzAppExtension), L"*,%s,%d", pswappext->wzExecutable, pswappext->iAttributes); |
| 118 | ExitOnFailure(hr, "Failed to format *,executable,attributes string"); |
| 119 | } |
| 120 | else |
| 121 | { |
| 122 | hr = ::StringCchPrintfW(wzAppExtension, countof(wzAppExtension), L".%s,%s,%d", pswappext->wzExtension, pswappext->wzExecutable, pswappext->iAttributes); |
| 123 | ExitOnFailure(hr, "Failed to format extension,executable,attributes string"); |
| 124 | } |
| 125 | |
| 126 | // if verbs were specified and not the keyword "all" |
| 127 | if (pswappext->wzVerbs[0] && CSTR_EQUAL != CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, pswappext->wzVerbs, -1, L"all", -1)) |
| 128 | { |
| 129 | hr = ::StringCchCatW(wzAppExtension, countof(wzAppExtension), L","); |
| 130 | ExitOnFailure(hr, "Failed to concatenate comma to app extension string"); |
| 131 | hr = ::StringCchCatW(wzAppExtension, countof(wzAppExtension), pswappext->wzVerbs); |
| 132 | ExitOnFailure(hr, "Failed to concatenate verb to app extension string"); |
| 133 | } |
| 134 | |
| 135 | hr = ::StringCchCopyW(wzAppExt, cchAppExt, wzAppExtension); |
| 136 | ExitOnFailure(hr, "Failed to copy app extension string"); |
| 137 | wzAppExt += lstrlenW(wzAppExtension) + 1; |
| 138 | cchAppExt -= lstrlenW(wzAppExtension) + 1; |
| 139 | pswappext = pswappext->pswappextNext; |
| 140 | } |
| 141 | |
| 142 | if (*wzAppExtensions) |
| 143 | { |
| 144 | hr = ScaWriteMetabaseValue(piMetabase, wzRootOfWeb, NULL, MD_SCRIPT_MAPS, METADATA_INHERIT, IIS_MD_UT_FILE, MULTISZ_METADATA, wzAppExtensions); |
| 145 | ExitOnFailure(hr, "Failed to write AppExtension: '%ls'", wzAppExtension); |
| 146 | } |
| 147 | |
| 148 | LExit: |
| 149 | return hr; |
| 150 | } |
| 151 | |
| 152 | |
| 153 | void ScaWebAppExtensionsFreeList( |
| 154 | __in SCA_WEB_APPLICATION_EXTENSION* pswappextList |
| 155 | ) |
| 156 | { |
| 157 | SCA_WEB_APPLICATION_EXTENSION* pswappextDelete = pswappextList; |
| 158 | while (pswappextList) |
| 159 | { |
| 160 | pswappextDelete = pswappextList; |
| 161 | pswappextList = pswappextList->pswappextNext; |
| 162 | |
| 163 | MemFree(pswappextDelete); |
| 164 | } |
| 165 | } |
| 166 | |
| 167 | |
| 168 | |
| 169 | // private helper functions |
| 170 | |
| 171 | static HRESULT NewAppExt( |
| 172 | __out SCA_WEB_APPLICATION_EXTENSION** ppswappext |
| 173 | ) |
| 174 | { |
| 175 | HRESULT hr = S_OK; |
| 176 | SCA_WEB_APPLICATION_EXTENSION* pswappext = static_cast<SCA_WEB_APPLICATION_EXTENSION*>(MemAlloc(sizeof(SCA_WEB_APPLICATION_EXTENSION), TRUE)); |
| 177 | ExitOnNull(pswappext, hr, E_OUTOFMEMORY, "failed to allocate memory for new web app ext element"); |
| 178 | |
| 179 | *ppswappext = pswappext; |
| 180 | |
| 181 | LExit: |
| 182 | return hr; |
| 183 | } |
| 184 | |
| 185 | |
| 186 | static SCA_WEB_APPLICATION_EXTENSION* AddAppExtToList( |
| 187 | __in SCA_WEB_APPLICATION_EXTENSION* pswappextList, |
| 188 | __in SCA_WEB_APPLICATION_EXTENSION* pswappext |
| 189 | ) |
| 190 | { |
| 191 | if (pswappextList) |
| 192 | { |
| 193 | SCA_WEB_APPLICATION_EXTENSION* pswappextT = pswappextList; |
| 194 | while (pswappextT->pswappextNext) |
| 195 | { |
| 196 | pswappextT = pswappextT->pswappextNext; |
| 197 | } |
| 198 | |
| 199 | pswappextT->pswappextNext = pswappext; |
| 200 | } |
| 201 | else |
| 202 | { |
| 203 | pswappextList = pswappext; |
| 204 | } |
| 205 | |
| 206 | return pswappextList; |
| 207 | } |