Module: wine Branch: master Commit: 214fb6e84e1609b6e61c072719cda4124b667eb6 URL: http://source.winehq.org/git/wine.git/?a=commit;h=214fb6e84e1609b6e61c072719...
Author: Alexandre Julliard julliard@winehq.org Date: Thu Jul 19 18:09:35 2007 +0200
ntdll: Added manifest lookup in global winsxs directory (based on a patch by Jacek Caban).
---
dlls/ntdll/actctx.c | 142 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 142 insertions(+), 0 deletions(-)
diff --git a/dlls/ntdll/actctx.c b/dlls/ntdll/actctx.c index df2a66f..b819dc1 100644 --- a/dlls/ntdll/actctx.c +++ b/dlls/ntdll/actctx.c @@ -1535,6 +1535,146 @@ static NTSTATUS get_manifest_in_associated_manifest( struct actctx_loader* acl, return status; }
+static WCHAR *lookup_manifest_file( HANDLE dir, struct assembly_identity *ai ) +{ + static const WCHAR lookup_fmtW[] = + {'%','s','_','%','s','_','%','s','_','%','u','.','%','u','.','*','.','*','_', + '*', /* FIXME */ + '.','m','a','n','i','f','e','s','t',0}; + + WCHAR *lookup, *ret = NULL; + UNICODE_STRING lookup_us; + IO_STATUS_BLOCK io; + unsigned int data_pos = 0, data_len; + char buffer[8192]; + + if (!(lookup = RtlAllocateHeap( GetProcessHeap(), 0, + (strlenW(ai->arch) + strlenW(ai->name) + + strlenW(ai->public_key) + 20) * sizeof(WCHAR) + + sizeof(lookup_fmtW) ))) + return NULL; + + sprintfW( lookup, lookup_fmtW, ai->arch, ai->name, ai->public_key, ai->version.major, ai->version.minor); + RtlInitUnicodeString( &lookup_us, lookup ); + + NtQueryDirectoryFile( dir, 0, NULL, NULL, &io, buffer, sizeof(buffer), + FileBothDirectoryInformation, FALSE, &lookup_us, TRUE ); + if (io.u.Status == STATUS_SUCCESS) + { + FILE_BOTH_DIR_INFORMATION *dir_info; + WCHAR *tmp; + ULONG build, revision; + + data_len = io.Information; + + for (;;) + { + if (data_pos >= data_len) + { + NtQueryDirectoryFile( dir, 0, NULL, NULL, &io, buffer, sizeof(buffer), + FileBothDirectoryInformation, FALSE, &lookup_us, FALSE ); + if (io.u.Status != STATUS_SUCCESS) break; + data_len = io.Information; + data_pos = 0; + } + dir_info = (FILE_BOTH_DIR_INFORMATION*)(buffer + data_pos); + + if (dir_info->NextEntryOffset) data_pos += dir_info->NextEntryOffset; + else data_pos = data_len; + + tmp = (WCHAR *)dir_info->FileName + (strchrW(lookup, '*') - lookup); + build = atoiW(tmp); + if (build < ai->version.build) continue; + tmp = strchrW(tmp, '.') + 1; + revision = atoiW(tmp); + if (build == ai->version.build && revision < ai->version.revision) + continue; + ai->version.build = build; + ai->version.revision = revision; + if ((ret = RtlAllocateHeap( GetProcessHeap(), 0, dir_info->FileNameLength + sizeof(WCHAR) ))) + { + memcpy( ret, dir_info->FileName, dir_info->FileNameLength ); + ret[dir_info->FileNameLength/sizeof(WCHAR)] = 0; + } + break; + } + } + RtlFreeHeap( GetProcessHeap(), 0, lookup ); + return ret; +} + +static NTSTATUS lookup_winsxs(struct actctx_loader* acl, struct assembly_identity* ai) +{ + struct assembly_identity sxs_ai; + UNICODE_STRING path_us; + OBJECT_ATTRIBUTES attr; + IO_STATUS_BLOCK io; + WCHAR *path, *file = NULL; + HANDLE handle; + + static const WCHAR manifest_dirW[] = + {'\','w','i','n','s','x','s','\','m','a','n','i','f','e','s','t','s',0}; + + if (!ai->arch || !ai->name || !ai->public_key) return STATUS_NO_SUCH_FILE; + + if (!(path = RtlAllocateHeap( GetProcessHeap(), 0, windows_dir.Length + sizeof(manifest_dirW) ))) + return STATUS_NO_MEMORY; + + memcpy( path, windows_dir.Buffer, windows_dir.Length ); + memcpy( path + windows_dir.Length/sizeof(WCHAR), manifest_dirW, sizeof(manifest_dirW) ); + + if (!RtlDosPathNameToNtPathName_U( path, &path_us, NULL, NULL )) + { + RtlFreeHeap( GetProcessHeap(), 0, path ); + return STATUS_NO_SUCH_FILE; + } + RtlFreeHeap( GetProcessHeap(), 0, path ); + + attr.Length = sizeof(attr); + attr.RootDirectory = 0; + attr.Attributes = OBJ_CASE_INSENSITIVE; + attr.ObjectName = &path_us; + attr.SecurityDescriptor = NULL; + attr.SecurityQualityOfService = NULL; + + if (!NtOpenFile( &handle, GENERIC_READ, &attr, &io, FILE_SHARE_READ | FILE_SHARE_WRITE, + FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT )) + { + sxs_ai = *ai; + file = lookup_manifest_file( handle, &sxs_ai ); + NtClose( handle ); + } + if (!file) + { + RtlFreeUnicodeString( &path_us ); + return STATUS_NO_SUCH_FILE; + } + + /* append file name to directory path */ + if (!(path = RtlReAllocateHeap( GetProcessHeap(), 0, path_us.Buffer, + path_us.Length + (strlenW(file) + 2) * sizeof(WCHAR) ))) + { + RtlFreeHeap( GetProcessHeap(), 0, file ); + RtlFreeUnicodeString( &path_us ); + return STATUS_NO_MEMORY; + } + + path[path_us.Length/sizeof(WCHAR)] = '\'; + strcpyW( path + path_us.Length/sizeof(WCHAR) + 1, file ); + RtlFreeHeap( GetProcessHeap(), 0, file ); + RtlInitUnicodeString( &path_us, path ); + + if (!open_nt_file( &handle, &path_us )) + { + io.u.Status = get_manifest_in_manifest_file(acl, &sxs_ai, path_us.Buffer, handle); + NtClose( handle ); + } + else io.u.Status = STATUS_NO_SUCH_FILE; + + RtlFreeUnicodeString( &path_us ); + return io.u.Status; +} + static NTSTATUS lookup_assembly(struct actctx_loader* acl, struct assembly_identity* ai) { @@ -1545,6 +1685,8 @@ static NTSTATUS lookup_assembly(struct actctx_loader* acl, UNICODE_STRING nameW; HANDLE file;
+ if ((status = lookup_winsxs(acl, ai)) != STATUS_NO_SUCH_FILE) return status; + /* FIXME: add support for language specific lookup */
nameW.Buffer = NULL;