[PATCH 4/4] wusa: Install updates.
Hans Leidekker
hans at codeweavers.com
Mon Dec 2 03:11:52 CST 2019
Signed-off-by: Hans Leidekker <hans at codeweavers.com>
---
programs/wusa/Makefile.in | 2 +-
programs/wusa/main.c | 562 ++++++++++++++++++++++++++++++++++++++
programs/wusa/wusa.h | 19 ++
3 files changed, 582 insertions(+), 1 deletion(-)
diff --git a/programs/wusa/Makefile.in b/programs/wusa/Makefile.in
index 87bfe1dae0..4167747ffc 100644
--- a/programs/wusa/Makefile.in
+++ b/programs/wusa/Makefile.in
@@ -1,5 +1,5 @@
MODULE = wusa.exe
-IMPORTS = cabinet shlwapi ole32 oleaut32
+IMPORTS = cabinet shlwapi ole32 oleaut32 advapi32
EXTRADLLFLAGS = -mconsole -municode -mno-cygwin
diff --git a/programs/wusa/main.c b/programs/wusa/main.c
index 8df8731e2b..49e7dc7530 100644
--- a/programs/wusa/main.c
+++ b/programs/wusa/main.c
@@ -29,6 +29,13 @@
WINE_DEFAULT_DEBUG_CHANNEL(wusa);
+struct strbuf
+{
+ WCHAR *buf;
+ DWORD pos;
+ DWORD len;
+};
+
struct installer_tempdir
{
struct list entry;
@@ -394,6 +401,508 @@ static BOOL load_assemblies_from_cab(const WCHAR *filename, struct installer_sta
return TRUE;
}
+static BOOL compare_assembly_string(const WCHAR *str1, const WCHAR *str2)
+{
+ return !wcscmp(str1, str2) || !wcscmp(str1, L"*") || !wcscmp(str2, L"*");
+}
+
+static struct assembly_entry *lookup_assembly(struct list *manifest_list, struct assembly_identity *identity)
+{
+ struct assembly_entry *assembly;
+
+ LIST_FOR_EACH_ENTRY(assembly, manifest_list, struct assembly_entry, entry)
+ {
+ if (wcsicmp(assembly->identity.name, identity->name)) continue;
+ if (!compare_assembly_string(assembly->identity.architecture, identity->architecture)) continue;
+ if (!compare_assembly_string(assembly->identity.language, identity->language)) continue;
+ if (!compare_assembly_string(assembly->identity.pubkey_token, identity->pubkey_token)) continue;
+ if (!compare_assembly_string(assembly->identity.version, identity->version))
+ {
+ WARN("Ignoring version difference for %s (expected %s, found %s)\n",
+ debugstr_w(identity->name), debugstr_w(identity->version), debugstr_w(assembly->identity.version));
+ }
+ return assembly;
+ }
+
+ return NULL;
+}
+
+static WCHAR *get_assembly_source(struct assembly_entry *assembly)
+{
+ WCHAR *p, *path = strdupW(assembly->filename);
+ if (path && (p = wcsrchr(path, '.'))) *p = 0;
+ return path;
+}
+
+static BOOL strbuf_init(struct strbuf *buf)
+{
+ buf->pos = 0;
+ buf->len = 64;
+ buf->buf = heap_alloc(buf->len * sizeof(WCHAR));
+ return buf->buf != NULL;
+}
+
+static void strbuf_free(struct strbuf *buf)
+{
+ heap_free(buf->buf);
+ buf->buf = NULL;
+}
+
+static BOOL strbuf_append(struct strbuf *buf, const WCHAR *str, DWORD len)
+{
+ DWORD new_len;
+ WCHAR *new_buf;
+
+ if (!buf->buf) return FALSE;
+ if (!str) return TRUE;
+
+ if (len == ~0U) len = lstrlenW(str);
+ if (buf->pos + len + 1 > buf->len)
+ {
+ new_len = max(buf->pos + len + 1, buf->len * 2);
+ new_buf = heap_realloc(buf->buf, new_len * sizeof(WCHAR));
+ if (!new_buf)
+ {
+ strbuf_free(buf);
+ return FALSE;
+ }
+ buf->buf = new_buf;
+ buf->len = new_len;
+ }
+
+ memcpy(&buf->buf[buf->pos], str, len * sizeof(WCHAR));
+ buf->buf[buf->pos + len] = 0;
+ buf->pos += len;
+ return TRUE;
+}
+
+static WCHAR *lookup_expression(struct assembly_entry *assembly, const WCHAR *key)
+{
+ WCHAR path[MAX_PATH];
+
+ if (!wcscmp(key, L"runtime.system32"))
+ {
+#ifdef __x86_64__
+ if (!wcscmp(assembly->identity.architecture, L"x86"))
+ {
+ GetSystemWow64DirectoryW(path, ARRAY_SIZE(path));
+ return strdupW(path);
+ }
+#endif
+ GetSystemDirectoryW(path, ARRAY_SIZE(path));
+ return strdupW(path);
+ }
+ if (!wcscmp(key, L"runtime.windows"))
+ {
+ GetWindowsDirectoryW(path, ARRAY_SIZE(path));
+ return strdupW(path);
+ }
+
+ FIXME("Unknown expression %s\n", debugstr_w(key));
+ return NULL;
+}
+
+static WCHAR *expand_expression(struct assembly_entry *assembly, const WCHAR *expression)
+{
+ const WCHAR *pos, *next;
+ WCHAR *key, *value;
+ struct strbuf buf;
+
+ if (!expression || !strbuf_init(&buf)) return NULL;
+
+ for (pos = expression; (next = wcsstr(pos, L"$(")); pos = next + 1)
+ {
+ strbuf_append(&buf, pos, next - pos);
+ pos = next + 2;
+ if (!(next = wcsstr(pos, L")")))
+ {
+ strbuf_append(&buf, L"$(", 2);
+ break;
+ }
+
+ if (!(key = strdupWn(pos, next - pos))) goto error;
+ value = lookup_expression(assembly, key);
+ heap_free(key);
+ if (!value) goto error;
+ strbuf_append(&buf, value, ~0U);
+ heap_free(value);
+ }
+
+ strbuf_append(&buf, pos, ~0U);
+ return buf.buf;
+
+error:
+ FIXME("Couldn't resolve expression %s\n", debugstr_w(expression));
+ strbuf_free(&buf);
+ return NULL;
+}
+
+static BOOL install_files_copy(struct assembly_entry *assembly, const WCHAR *source_path, struct fileop_entry *fileop, BOOL dryrun)
+{
+ WCHAR *target_path, *target, *source = NULL;
+ BOOL ret = FALSE;
+
+ if (!(target_path = expand_expression(assembly, fileop->target))) return FALSE;
+ if (!(target = path_combine(target_path, fileop->source))) goto error;
+ if (!(source = path_combine(source_path, fileop->source))) goto error;
+
+ if (dryrun)
+ {
+ if (!(ret = PathFileExistsW(source)))
+ {
+ ERR("Required file %s not found\n", debugstr_w(source));
+ goto error;
+ }
+ }
+ else
+ {
+ TRACE("Copying %s -> %s\n", debugstr_w(source), debugstr_w(target));
+
+ if (!create_parent_directory(target))
+ {
+ ERR("Failed to create parent directory for %s\n", debugstr_w(target));
+ goto error;
+ }
+ if (!(ret = CopyFileExW(source, target, NULL, NULL, NULL, 0)))
+ {
+ ERR("Failed to copy %s to %s\n", debugstr_w(source), debugstr_w(target));
+ goto error;
+ }
+ }
+
+error:
+ heap_free(target_path);
+ heap_free(target);
+ heap_free(source);
+ return ret;
+}
+
+static BOOL install_files(struct assembly_entry *assembly, BOOL dryrun)
+{
+ struct fileop_entry *fileop;
+ WCHAR *source_path;
+ BOOL ret = TRUE;
+
+ if (!(source_path = get_assembly_source(assembly)))
+ {
+ ERR("Failed to get assembly source directory\n");
+ return FALSE;
+ }
+
+ LIST_FOR_EACH_ENTRY(fileop, &assembly->fileops, struct fileop_entry, entry)
+ {
+ if (!(ret = install_files_copy(assembly, source_path, fileop, dryrun))) break;
+ }
+
+ heap_free(source_path);
+ return ret;
+}
+
+static WCHAR *split_registry_key(WCHAR *key, HKEY *root)
+{
+ DWORD size;
+ WCHAR *p;
+
+ if (!(p = wcschr(key, '\\'))) return NULL;
+ size = p - key;
+
+ if (lstrlenW(L"HKEY_CLASSES_ROOT") == size && !wcsncmp(key, L"HKEY_CLASSES_ROOT", size))
+ *root = HKEY_CLASSES_ROOT;
+ else if (lstrlenW(L"HKEY_CURRENT_CONFIG") == size && !wcsncmp(key, L"HKEY_CURRENT_CONFIG", size))
+ *root = HKEY_CURRENT_CONFIG;
+ else if (lstrlenW(L"HKEY_CURRENT_USER") == size && !wcsncmp(key, L"HKEY_CURRENT_USER", size))
+ *root = HKEY_CURRENT_USER;
+ else if (lstrlenW(L"HKEY_LOCAL_MACHINE") == size && !wcsncmp(key, L"HKEY_LOCAL_MACHINE", size))
+ *root = HKEY_LOCAL_MACHINE;
+ else if (lstrlenW(L"HKEY_USERS") == size && !wcsncmp(key, L"HKEY_USERS", size))
+ *root = HKEY_USERS;
+ else
+ {
+ FIXME("Unknown root key %s\n", debugstr_wn(key, size));
+ return NULL;
+ }
+
+ return p + 1;
+}
+
+static BOOL install_registry_string(struct assembly_entry *assembly, HKEY key, struct registrykv_entry *registrykv, DWORD type, BOOL dryrun)
+{
+ DWORD value_size;
+ WCHAR *value = expand_expression(assembly, registrykv->value);
+ BOOL ret = TRUE;
+
+ if (registrykv->value && !value)
+ return FALSE;
+
+ value_size = value ? (lstrlenW(value) + 1) * sizeof(WCHAR) : 0;
+ if (!dryrun && RegSetValueExW(key, registrykv->name, 0, type, (void *)value, value_size))
+ {
+ ERR("Failed to set registry key %s\n", debugstr_w(registrykv->name));
+ ret = FALSE;
+ }
+
+ heap_free(value);
+ return ret;
+}
+
+static WCHAR *parse_multisz(const WCHAR *input, DWORD *size)
+{
+ const WCHAR *pos, *next;
+ struct strbuf buf;
+
+ *size = 0;
+ if (!input || !input[0] || !strbuf_init(&buf)) return NULL;
+
+ for (pos = input; pos[0] == '"'; pos++)
+ {
+ pos++;
+ if (!(next = wcsstr(pos, L"\""))) goto error;
+ strbuf_append(&buf, pos, next - pos);
+ strbuf_append(&buf, L"", ARRAY_SIZE(L""));
+
+ pos = next + 1;
+ if (!pos[0]) break;
+ if (pos[0] != ',')
+ {
+ FIXME("Error while parsing REG_MULTI_SZ string: Expected comma but got '%c'\n", pos[0]);
+ goto error;
+ }
+ }
+
+ if (pos[0])
+ {
+ FIXME("Error while parsing REG_MULTI_SZ string: Garbage at end of string\n");
+ goto error;
+ }
+
+ strbuf_append(&buf, L"", ARRAY_SIZE(L""));
+ *size = buf.pos * sizeof(WCHAR);
+ return buf.buf;
+
+error:
+ strbuf_free(&buf);
+ return NULL;
+}
+
+static BOOL install_registry_multisz(struct assembly_entry *assembly, HKEY key, struct registrykv_entry *registrykv, BOOL dryrun)
+{
+ DWORD value_size;
+ WCHAR *value = parse_multisz(registrykv->value, &value_size);
+ BOOL ret = TRUE;
+
+ if (registrykv->value && registrykv->value[0] && !value)
+ return FALSE;
+
+ if (!dryrun && RegSetValueExW(key, registrykv->name, 0, REG_MULTI_SZ, (void *)value, value_size))
+ {
+ ERR("Failed to set registry key %s\n", debugstr_w(registrykv->name));
+ ret = FALSE;
+ }
+
+ heap_free(value);
+ return ret;
+}
+
+static BOOL install_registry_dword(struct assembly_entry *assembly, HKEY key, struct registrykv_entry *registrykv, BOOL dryrun)
+{
+ DWORD value = registrykv->value_type ? wcstoul(registrykv->value_type, NULL, 16) : 0;
+ BOOL ret = TRUE;
+
+ if (!dryrun && RegSetValueExW(key, registrykv->name, 0, REG_DWORD, (void *)&value, sizeof(value)))
+ {
+ ERR("Failed to set registry key %s\n", debugstr_w(registrykv->name));
+ ret = FALSE;
+ }
+
+ return ret;
+}
+
+static BYTE *parse_hex(const WCHAR *input, DWORD *size)
+{
+ WCHAR number[3] = {0, 0, 0};
+ BYTE *output, *p;
+ int length;
+
+ *size = 0;
+ if (!input) return NULL;
+ length = lstrlenW(input);
+ if (length & 1) return NULL;
+ length >>= 1;
+
+ if (!(output = heap_alloc(length))) return NULL;
+ for (p = output; *input; input += 2)
+ {
+ number[0] = input[0];
+ number[1] = input[1];
+ *p++ = wcstoul(number, 0, 16);
+ }
+ *size = length;
+ return output;
+}
+
+static BOOL install_registry_binary(struct assembly_entry *assembly, HKEY key, struct registrykv_entry *registrykv, BOOL dryrun)
+{
+ DWORD value_size;
+ BYTE *value = parse_hex(registrykv->value, &value_size);
+ BOOL ret = TRUE;
+
+ if (registrykv->value && !value)
+ return FALSE;
+
+ if (!dryrun && RegSetValueExW(key, registrykv->name, 0, REG_BINARY, value, value_size))
+ {
+ ERR("Failed to set registry key %s\n", debugstr_w(registrykv->name));
+ ret = FALSE;
+ }
+
+ heap_free(value);
+ return ret;
+}
+
+static BOOL install_registry_value(struct assembly_entry *assembly, HKEY key, struct registrykv_entry *registrykv, BOOL dryrun)
+{
+ TRACE("Setting registry key %s = %s\n", debugstr_w(registrykv->name), debugstr_w(registrykv->value));
+
+ if (!wcscmp(registrykv->value_type, L"REG_SZ"))
+ return install_registry_string(assembly, key, registrykv, REG_SZ, dryrun);
+ if (!wcscmp(registrykv->value_type, L"REG_EXPAND_SZ"))
+ return install_registry_string(assembly, key, registrykv, REG_EXPAND_SZ, dryrun);
+ if (!wcscmp(registrykv->value_type, L"REG_MULTI_SZ"))
+ return install_registry_multisz(assembly, key, registrykv, dryrun);
+ if (!wcscmp(registrykv->value_type, L"REG_DWORD"))
+ return install_registry_dword(assembly, key, registrykv, dryrun);
+ if (!wcscmp(registrykv->value_type, L"REG_BINARY"))
+ return install_registry_binary(assembly, key, registrykv, dryrun);
+
+ FIXME("Unsupported registry value type %s\n", debugstr_w(registrykv->value_type));
+ return FALSE;
+}
+
+static BOOL install_registry(struct assembly_entry *assembly, BOOL dryrun)
+{
+ struct registryop_entry *registryop;
+ struct registrykv_entry *registrykv;
+ HKEY root, subkey;
+ WCHAR *path;
+ REGSAM sam = KEY_ALL_ACCESS;
+ BOOL ret = TRUE;
+
+#ifdef __x86_64__
+ if (!wcscmp(assembly->identity.architecture, L"x86")) sam |= KEY_WOW64_32KEY;
+#endif
+
+ LIST_FOR_EACH_ENTRY(registryop, &assembly->registryops, struct registryop_entry, entry)
+ {
+ if (!(path = split_registry_key(registryop->key, &root)))
+ {
+ ret = FALSE;
+ break;
+ }
+
+ TRACE("Processing registry key %s\n", debugstr_w(registryop->key));
+
+ if (!dryrun && RegCreateKeyExW(root, path, 0, NULL, 0, sam, NULL, &subkey, NULL))
+ {
+ ERR("Failed to open registry key %s\n", debugstr_w(registryop->key));
+ ret = FALSE;
+ break;
+ }
+
+ LIST_FOR_EACH_ENTRY(registrykv, ®istryop->keyvalues, struct registrykv_entry, entry)
+ {
+ if (!(ret = install_registry_value(assembly, subkey, registrykv, dryrun))) break;
+ }
+
+ if (!dryrun) RegCloseKey(subkey);
+ if (!ret) break;
+ }
+
+ return ret;
+}
+
+static BOOL install_assembly(struct list *manifest_list, struct assembly_identity *identity, BOOL dryrun)
+{
+ struct dependency_entry *dependency;
+ struct assembly_entry *assembly;
+ const WCHAR *name;
+
+ if (!(assembly = lookup_assembly(manifest_list, identity)))
+ {
+ FIXME("Assembly %s not found\n", debugstr_w(identity->name));
+ return FALSE;
+ }
+
+ name = assembly->identity.name;
+
+ if (assembly->status == ASSEMBLY_STATUS_INSTALLED)
+ {
+ TRACE("Assembly %s already installed\n", debugstr_w(name));
+ return TRUE;
+ }
+ if (assembly->status == ASSEMBLY_STATUS_IN_PROGRESS)
+ {
+ ERR("Assembly %s caused circular dependency\n", debugstr_w(name));
+ return FALSE;
+ }
+
+#ifdef __i386__
+ if (!wcscmp(assembly->identity.architecture, L"amd64"))
+ {
+ ERR("Cannot install amd64 assembly in 32-bit prefix\n");
+ return FALSE;
+ }
+#endif
+
+ assembly->status = ASSEMBLY_STATUS_IN_PROGRESS;
+
+ LIST_FOR_EACH_ENTRY(dependency, &assembly->dependencies, struct dependency_entry, entry)
+ {
+ if (!install_assembly(manifest_list, &dependency->identity, dryrun)) return FALSE;
+ }
+
+ TRACE("Installing assembly %s%s\n", debugstr_w(name), dryrun ? " (dryrun)" : "");
+
+ if (!install_files(assembly, dryrun))
+ {
+ ERR("Failed to install all files for %s\n", debugstr_w(name));
+ return FALSE;
+ }
+
+ if (!install_registry(assembly, dryrun))
+ {
+ ERR("Failed to install registry keys for %s\n", debugstr_w(name));
+ return FALSE;
+ }
+
+ TRACE("Installation of %s finished\n", debugstr_w(name));
+
+ assembly->status = ASSEMBLY_STATUS_INSTALLED;
+ return TRUE;
+}
+
+static BOOL install_updates(struct installer_state *state, BOOL dryrun)
+{
+ struct dependency_entry *dependency;
+ LIST_FOR_EACH_ENTRY(dependency, &state->updates, struct dependency_entry, entry)
+ {
+ if (!install_assembly(&state->assemblies, &dependency->identity, dryrun))
+ {
+ ERR("Failed to install update %s\n", debugstr_w(dependency->identity.name));
+ return FALSE;
+ }
+ }
+ return TRUE;
+}
+
+static void set_assembly_status(struct list *manifest_list, DWORD status)
+{
+ struct assembly_entry *assembly;
+ LIST_FOR_EACH_ENTRY(assembly, manifest_list, struct assembly_entry, entry)
+ {
+ assembly->status = status;
+ }
+}
+
static BOOL install_msu(const WCHAR *filename, struct installer_state *state)
{
const WCHAR *temp_path;
@@ -474,6 +983,29 @@ static BOOL install_msu(const WCHAR *filename, struct installer_state *state)
}
}
+ if (list_empty(&state->updates))
+ {
+ ERR("No updates found, probably incompatible MSU file format?\n");
+ goto done;
+ }
+
+ /* perform dry run */
+ set_assembly_status(&state->assemblies, ASSEMBLY_STATUS_NONE);
+ if (!install_updates(state, TRUE))
+ {
+ ERR("Dry run failed, aborting installation\n");
+ goto done;
+ }
+
+ /* installation */
+ set_assembly_status(&state->assemblies, ASSEMBLY_STATUS_NONE);
+ if (!install_updates(state, FALSE))
+ {
+ ERR("Installation failed\n");
+ goto done;
+ }
+
+ TRACE("Installation finished\n");
ret = TRUE;
done:
@@ -481,12 +1013,42 @@ done:
return ret;
}
+static void restart_as_x86_64(void)
+{
+ WCHAR filename[MAX_PATH];
+ PROCESS_INFORMATION pi;
+ STARTUPINFOW si;
+ DWORD exit_code = 1;
+ void *redir;
+
+ memset(&si, 0, sizeof(si));
+ si.cb = sizeof(si);
+ GetModuleFileNameW(0, filename, MAX_PATH);
+
+ Wow64DisableWow64FsRedirection(&redir);
+ if (CreateProcessW(filename, GetCommandLineW(), NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi))
+ {
+ TRACE("Restarting %s\n", wine_dbgstr_w(filename));
+ WaitForSingleObject(pi.hProcess, INFINITE);
+ GetExitCodeProcess(pi.hProcess, &exit_code);
+ CloseHandle(pi.hProcess);
+ CloseHandle(pi.hThread);
+ }
+ else ERR("Failed to restart 64-bit %s, err %u\n", wine_dbgstr_w(filename), GetLastError());
+ Wow64RevertWow64FsRedirection(redir);
+
+ ExitProcess(exit_code);
+}
+
int __cdecl wmain(int argc, WCHAR *argv[])
{
struct installer_state state;
const WCHAR *filename = NULL;
+ BOOL is_wow64;
int i;
+ if (IsWow64Process( GetCurrentProcess(), &is_wow64 ) && is_wow64) restart_as_x86_64();
+
state.norestart = FALSE;
state.quiet = FALSE;
diff --git a/programs/wusa/wusa.h b/programs/wusa/wusa.h
index e717fad6e0..dcd784e764 100644
--- a/programs/wusa/wusa.h
+++ b/programs/wusa/wusa.h
@@ -90,6 +90,12 @@ static inline void *heap_alloc_zero(size_t len)
return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len);
}
+static void *heap_realloc(void *mem, size_t len) __WINE_ALLOC_SIZE(2);
+static inline void *heap_realloc(void *mem, size_t len)
+{
+ return HeapReAlloc(GetProcessHeap(), 0, mem, len);
+}
+
static inline BOOL heap_free(void *mem)
{
return HeapFree(GetProcessHeap(), 0, mem);
@@ -127,3 +133,16 @@ static inline WCHAR *strdupW(const WCHAR *str)
if (ret) lstrcpyW(ret, str);
return ret;
}
+
+static inline WCHAR *strdupWn(const WCHAR *str, DWORD len)
+{
+ WCHAR *ret;
+ if (!str) return NULL;
+ ret = heap_alloc((len + 1) * sizeof(WCHAR));
+ if (ret)
+ {
+ memcpy(ret, str, len * sizeof(WCHAR));
+ ret[len] = 0;
+ }
+ return ret;
+}
--
2.20.1
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