Sweden-Number/programs/wusa/manifest.c

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/*
* Manifest parser for WUSA
*
* Copyright 2015 Michael Müller
* Copyright 2015 Sebastian Lackner
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <windows.h>
#define COBJMACROS
#include <initguid.h>
#include <msxml.h>
#include "wine/debug.h"
#include "wine/list.h"
#include "wusa.h"
WINE_DEFAULT_DEBUG_CHANNEL(wusa);
static struct dependency_entry *alloc_dependency(void)
{
struct dependency_entry *entry = calloc(1, sizeof(*entry));
if (!entry) ERR("Failed to allocate memory for dependency\n");
return entry;
}
static struct fileop_entry *alloc_fileop(void)
{
struct fileop_entry *entry = calloc(1, sizeof(*entry));
if (!entry) ERR("Failed to allocate memory for fileop\n");
return entry;
}
static struct registrykv_entry *alloc_registrykv(void)
{
struct registrykv_entry *entry = calloc(1, sizeof(*entry));
if (!entry) ERR("Failed to allocate memory for registrykv\n");
return entry;
}
static struct registryop_entry *alloc_registryop(void)
{
struct registryop_entry *entry = calloc(1, sizeof(*entry));
if (!entry) ERR("Failed to allocate memory for registryop\n");
else
{
list_init(&entry->keyvalues);
}
return entry;
}
static struct assembly_entry *alloc_assembly(void)
{
struct assembly_entry *entry = calloc(1, sizeof(*entry));
if (!entry) ERR("Failed to allocate memory for assembly\n");
else
{
list_init(&entry->dependencies);
list_init(&entry->fileops);
list_init(&entry->registryops);
}
return entry;
}
static void clear_identity(struct assembly_identity *entry)
{
free(entry->name);
free(entry->version);
free(entry->architecture);
free(entry->language);
free(entry->pubkey_token);
}
void free_dependency(struct dependency_entry *entry)
{
clear_identity(&entry->identity);
free(entry);
}
static void free_fileop(struct fileop_entry *entry)
{
free(entry->source);
free(entry->target);
free(entry);
}
static void free_registrykv(struct registrykv_entry *entry)
{
free(entry->name);
free(entry->value_type);
free(entry->value);
free(entry);
}
static void free_registryop(struct registryop_entry *entry)
{
struct registrykv_entry *keyvalue, *keyvalue2;
free(entry->key);
LIST_FOR_EACH_ENTRY_SAFE(keyvalue, keyvalue2, &entry->keyvalues, struct registrykv_entry, entry)
{
list_remove(&keyvalue->entry);
free_registrykv(keyvalue);
}
free(entry);
}
void free_assembly(struct assembly_entry *entry)
{
struct dependency_entry *dependency, *dependency2;
struct fileop_entry *fileop, *fileop2;
struct registryop_entry *registryop, *registryop2;
free(entry->filename);
free(entry->displayname);
clear_identity(&entry->identity);
LIST_FOR_EACH_ENTRY_SAFE(dependency, dependency2, &entry->dependencies, struct dependency_entry, entry)
{
list_remove(&dependency->entry);
free_dependency(dependency);
}
LIST_FOR_EACH_ENTRY_SAFE(fileop, fileop2, &entry->fileops, struct fileop_entry, entry)
{
list_remove(&fileop->entry);
free_fileop(fileop);
}
LIST_FOR_EACH_ENTRY_SAFE(registryop, registryop2, &entry->registryops, struct registryop_entry, entry)
{
list_remove(&registryop->entry);
free_registryop(registryop);
}
free(entry);
}
static WCHAR *get_xml_attribute(IXMLDOMElement *root, const WCHAR *name)
{
WCHAR *ret = NULL;
VARIANT var;
BSTR bstr;
if ((bstr = SysAllocString(name)))
{
VariantInit(&var);
if (SUCCEEDED(IXMLDOMElement_getAttribute(root, bstr, &var)))
{
ret = (V_VT(&var) == VT_BSTR) ? strdupW(V_BSTR(&var)) : NULL;
VariantClear(&var);
}
SysFreeString(bstr);
}
return ret;
}
static BOOL check_xml_tagname(IXMLDOMElement *root, const WCHAR *tagname)
{
BOOL ret = FALSE;
BSTR bstr;
if (SUCCEEDED(IXMLDOMElement_get_tagName(root, &bstr)))
{
ret = !wcscmp(bstr, tagname);
SysFreeString(bstr);
}
return ret;
}
static IXMLDOMElement *select_xml_node(IXMLDOMElement *root, const WCHAR *name)
{
IXMLDOMElement *ret = NULL;
IXMLDOMNode *node;
BSTR bstr;
if ((bstr = SysAllocString(name)))
{
if (SUCCEEDED(IXMLDOMElement_selectSingleNode(root, bstr, &node)))
{
if (FAILED(IXMLDOMNode_QueryInterface(node, &IID_IXMLDOMElement, (void **)&ret)))
ret = NULL;
IXMLDOMNode_Release(node);
}
SysFreeString(bstr);
}
return ret;
}
static BOOL call_xml_callbacks(IXMLDOMElement *root, BOOL (*func)(IXMLDOMElement *child, WCHAR *tagname, void *context), void *context)
{
IXMLDOMNodeList *children;
IXMLDOMElement *child;
IXMLDOMNode *node;
BSTR tagname;
BOOL ret = TRUE;
if (FAILED(IXMLDOMElement_get_childNodes(root, &children)))
return FALSE;
while (ret && IXMLDOMNodeList_nextNode(children, &node) == S_OK)
{
if (SUCCEEDED(IXMLDOMNode_QueryInterface(node, &IID_IXMLDOMElement, (void **)&child)))
{
if (SUCCEEDED(IXMLDOMElement_get_tagName(child, &tagname)))
{
ret = func(child, tagname, context);
SysFreeString(tagname);
}
IXMLDOMElement_Release(child);
}
IXMLDOMNode_Release(node);
}
IXMLDOMNodeList_Release(children);
return ret;
}
static IXMLDOMElement *load_xml(const WCHAR *filename)
{
IXMLDOMDocument *document = NULL;
IXMLDOMElement *root = NULL;
VARIANT_BOOL success;
VARIANT variant;
BSTR bstr;
TRACE("Loading XML from %s\n", debugstr_w(filename));
if (!(bstr = SysAllocString(filename)))
return FALSE;
if (SUCCEEDED(CoCreateInstance(&CLSID_DOMDocument, NULL, CLSCTX_INPROC_SERVER, &IID_IXMLDOMDocument, (void **)&document)))
{
VariantInit(&variant);
V_VT(&variant) = VT_BSTR;
V_BSTR(&variant) = bstr;
if (SUCCEEDED(IXMLDOMDocument_load(document, variant, &success)) && success)
{
if (FAILED(IXMLDOMDocument_get_documentElement(document, &root)))
root = NULL;
}
IXMLDOMDocument_Release(document);
}
SysFreeString(bstr);
return root;
}
static BOOL read_identity(IXMLDOMElement *root, struct assembly_identity *identity)
{
memset(identity, 0, sizeof(*identity));
if (!(identity->name = get_xml_attribute(root, L"name"))) goto error;
if (!(identity->version = get_xml_attribute(root, L"version"))) goto error;
if (!(identity->architecture = get_xml_attribute(root, L"processorArchitecture"))) goto error;
if (!(identity->language = get_xml_attribute(root, L"language"))) goto error;
if (!(identity->pubkey_token = get_xml_attribute(root, L"publicKeyToken"))) goto error;
return TRUE;
error:
clear_identity(identity);
return FALSE;
}
/* <assembly><dependency><dependentAssembly> */
static BOOL read_dependent_assembly(IXMLDOMElement *root, struct assembly_identity *identity)
{
IXMLDOMElement *child = NULL;
WCHAR *dependency_type;
BOOL ret = FALSE;
if (!(dependency_type = get_xml_attribute(root, L"dependencyType")))
{
WARN("Failed to get dependency type, assuming install\n");
}
if (dependency_type && wcscmp(dependency_type, L"install") && wcscmp(dependency_type, L"prerequisite"))
{
FIXME("Unimplemented dependency type %s\n", debugstr_w(dependency_type));
goto error;
}
if (!(child = select_xml_node(root, L".//assemblyIdentity")))
{
FIXME("Failed to find assemblyIdentity child node\n");
goto error;
}
ret = read_identity(child, identity);
error:
if (child) IXMLDOMElement_Release(child);
free(dependency_type);
return ret;
}
/* <assembly><dependency> */
static BOOL read_dependency(IXMLDOMElement *child, WCHAR *tagname, void *context)
{
struct assembly_entry *assembly = context;
struct dependency_entry *entry;
if (wcscmp(tagname, L"dependentAssembly"))
{
FIXME("Don't know how to handle dependency tag %s\n", debugstr_w(tagname));
return FALSE;
}
if ((entry = alloc_dependency()))
{
if (read_dependent_assembly(child, &entry->identity))
{
TRACE("Found dependency %s\n", debugstr_w(entry->identity.name));
list_add_tail(&assembly->dependencies, &entry->entry);
return TRUE;
}
free_dependency(entry);
}
return FALSE;
}
static BOOL iter_dependency(IXMLDOMElement *root, struct assembly_entry *assembly)
{
return call_xml_callbacks(root, read_dependency, assembly);
}
/* <assembly><package><update><component> */
/* <assembly><package><update><package> */
static BOOL read_components(IXMLDOMElement *child, WCHAR *tagname, void *context)
{
struct assembly_entry *assembly = context;
struct dependency_entry *entry;
if (wcscmp(tagname, L"assemblyIdentity"))
{
FIXME("Ignoring unexpected tag %s\n", debugstr_w(tagname));
return TRUE;
}
if ((entry = alloc_dependency()))
{
if (read_identity(child, &entry->identity))
{
TRACE("Found identity %s\n", debugstr_w(entry->identity.name));
list_add_tail(&assembly->dependencies, &entry->entry);
return TRUE;
}
free_dependency(entry);
}
return FALSE;
}
static BOOL iter_components(IXMLDOMElement *root, struct assembly_entry *assembly)
{
return call_xml_callbacks(root, read_components, assembly);
}
/* <assembly><package><update> */
static BOOL read_update(IXMLDOMElement *child, WCHAR *tagname, void *context)
{
struct assembly_entry *assembly = context;
if (!wcscmp(tagname, L"component"))
return iter_components(child, assembly);
if (!wcscmp(tagname, L"package"))
return iter_components(child, assembly);
if (!wcscmp(tagname, L"applicable"))
return TRUE;
FIXME("Ignoring unexpected tag %s\n", debugstr_w(tagname));
return FALSE;
}
static BOOL iter_update(IXMLDOMElement *root, struct assembly_entry *assembly)
{
return call_xml_callbacks(root, read_update, assembly);
}
/* <assembly><package> */
static BOOL read_package(IXMLDOMElement *child, WCHAR *tagname, void *context)
{
struct assembly_entry *assembly = context;
if (!wcscmp(tagname, L"update"))
return iter_update(child, assembly);
if (!wcscmp(tagname, L"parent"))
return TRUE;
FIXME("Ignoring unexpected tag %s\n", debugstr_w(tagname));
return TRUE;
}
static BOOL iter_package(IXMLDOMElement *root, struct assembly_entry *assembly)
{
return call_xml_callbacks(root, read_package, assembly);
}
/* <assembly><file> */
static BOOL read_file(IXMLDOMElement *root, struct assembly_entry *assembly)
{
struct fileop_entry *entry;
if (!(entry = alloc_fileop()))
return FALSE;
if (!(entry->source = get_xml_attribute(root, L"sourceName"))) goto error;
if (!(entry->target = get_xml_attribute(root, L"destinationPath"))) goto error;
TRACE("Found fileop %s -> %s\n", debugstr_w(entry->source), debugstr_w(entry->target));
list_add_tail(&assembly->fileops, &entry->entry);
return TRUE;
error:
free_fileop(entry);
return FALSE;
}
/* <assembly><registryKeys><registryKey> */
static BOOL read_registry_key(IXMLDOMElement *child, WCHAR *tagname, void *context)
{
struct registryop_entry *registryop = context;
struct registrykv_entry *entry;
if (!wcscmp(tagname, L"securityDescriptor")) return TRUE;
if (!wcscmp(tagname, L"systemProtection")) return TRUE;
if (wcscmp(tagname, L"registryValue"))
{
FIXME("Ignoring unexpected tag %s\n", debugstr_w(tagname));
return TRUE;
}
if (!(entry = alloc_registrykv()))
return FALSE;
if (!(entry->value_type = get_xml_attribute(child, L"valueType"))) goto error;
entry->name = get_xml_attribute(child, L"name"); /* optional */
entry->value = get_xml_attribute(child, L"value"); /* optional */
TRACE("Found registry %s -> %s\n", debugstr_w(entry->name), debugstr_w(entry->value));
list_add_tail(&registryop->keyvalues, &entry->entry);
return TRUE;
error:
free_registrykv(entry);
return FALSE;
}
static BOOL iter_registry_key(IXMLDOMElement *root, struct registryop_entry *registryop)
{
return call_xml_callbacks(root, read_registry_key, registryop);
}
/* <assembly><registryKeys> */
static BOOL read_registry_keys(IXMLDOMElement *child, WCHAR *tagname, void *context)
{
struct assembly_entry *assembly = context;
struct registryop_entry *entry;
WCHAR *keyname;
if (wcscmp(tagname, L"registryKey"))
{
FIXME("Ignoring unexpected tag %s\n", debugstr_w(tagname));
return TRUE;
}
if (!(keyname = get_xml_attribute(child, L"keyName")))
{
FIXME("RegistryKey tag doesn't specify keyName\n");
return FALSE;
}
if ((entry = alloc_registryop()))
{
list_init(&entry->keyvalues);
if (iter_registry_key(child, entry))
{
entry->key = keyname;
TRACE("Found registryop %s\n", debugstr_w(entry->key));
list_add_tail(&assembly->registryops, &entry->entry);
return TRUE;
}
free_registryop(entry);
}
free(keyname);
return FALSE;
}
static BOOL iter_registry_keys(IXMLDOMElement *root, struct assembly_entry *assembly)
{
return call_xml_callbacks(root, read_registry_keys, assembly);
}
/* <assembly> */
static BOOL read_assembly(IXMLDOMElement *child, WCHAR *tagname, void *context)
{
struct assembly_entry *assembly = context;
if (!wcscmp(tagname, L"assemblyIdentity") && !assembly->identity.name)
return read_identity(child, &assembly->identity);
if (!wcscmp(tagname, L"dependency"))
return iter_dependency(child, assembly);
if (!wcscmp(tagname, L"package"))
return iter_package(child, assembly);
if (!wcscmp(tagname, L"file"))
return read_file(child, assembly);
if (!wcscmp(tagname, L"registryKeys"))
return iter_registry_keys(child, assembly);
if (!wcscmp(tagname, L"trustInfo"))
return TRUE;
if (!wcscmp(tagname, L"configuration"))
return TRUE;
if (!wcscmp(tagname, L"deployment"))
return TRUE;
FIXME("Ignoring unexpected tag %s\n", debugstr_w(tagname));
return TRUE;
}
static BOOL iter_assembly(IXMLDOMElement *root, struct assembly_entry *assembly)
{
return call_xml_callbacks(root, read_assembly, assembly);
}
struct assembly_entry *load_manifest(const WCHAR *filename)
{
struct assembly_entry *entry = NULL;
IXMLDOMElement *root = NULL;
TRACE("Loading manifest %s\n", debugstr_w(filename));
if (!(root = load_xml(filename))) return NULL;
if (!check_xml_tagname(root, L"assembly"))
{
FIXME("Didn't find assembly root node?\n");
goto done;
}
if ((entry = alloc_assembly()))
{
entry->filename = strdupW(filename);
entry->displayname = get_xml_attribute(root, L"displayName");
if (iter_assembly(root, entry)) goto done;
free_assembly(entry);
entry = NULL;
}
done:
IXMLDOMElement_Release(root);
return entry;
}
/* <unattend><servicing><package> */
static BOOL read_update_package(IXMLDOMElement *child, WCHAR *tagname, void *context)
{
struct dependency_entry *entry;
struct list *update_list = context;
if (!wcscmp(tagname, L"source")) return TRUE;
if (wcscmp(tagname, L"assemblyIdentity"))
{
TRACE("Ignoring unexpected tag %s\n", debugstr_w(tagname));
return TRUE;
}
if ((entry = alloc_dependency()))
{
if (read_identity(child, &entry->identity))
{
TRACE("Found update %s\n", debugstr_w(entry->identity.name));
list_add_tail(update_list, &entry->entry);
return TRUE;
}
free_dependency(entry);
}
return FALSE;
}
static BOOL iter_update_package(IXMLDOMElement *root, struct list *update_list)
{
return call_xml_callbacks(root, read_update_package, update_list);
}
/* <unattend><servicing> */
static BOOL read_servicing(IXMLDOMElement *child, WCHAR *tagname, void *context)
{
struct list *update_list = context;
WCHAR *action;
BOOL ret = TRUE;
if (wcscmp(tagname, L"package"))
{
FIXME("Ignoring unexpected tag %s\n", debugstr_w(tagname));
return TRUE;
}
if (!(action = get_xml_attribute(child, L"action")))
{
FIXME("Servicing tag doesn't specify action\n");
return FALSE;
}
if (!wcscmp(action, L"install"))
ret = iter_update_package(child, update_list);
else
FIXME("action %s not supported\n", debugstr_w(action));
free(action);
return ret;
}
static BOOL iter_servicing(IXMLDOMElement *root, struct list *update_list)
{
return call_xml_callbacks(root, read_servicing, update_list);
}
/* <unattend> */
static BOOL read_unattend(IXMLDOMElement *child, WCHAR *tagname, void *context)
{
struct list *update_list = context;
if (wcscmp(tagname, L"servicing"))
{
FIXME("Ignoring unexpected tag %s\n", debugstr_w(tagname));
return TRUE;
}
return iter_servicing(child, update_list);
}
static BOOL iter_unattend(IXMLDOMElement *root, struct list *update_list)
{
return call_xml_callbacks(root, read_unattend, update_list);
}
BOOL load_update(const WCHAR *filename, struct list *update_list)
{
IXMLDOMElement *root = NULL;
BOOL ret = FALSE;
TRACE("Reading update %s\n", debugstr_w(filename));
if (!(root = load_xml(filename))) return FALSE;
if (!check_xml_tagname(root, L"unattend"))
{
FIXME("Didn't find unattend root node?\n");
goto done;
}
ret = iter_unattend(root, update_list);
done:
IXMLDOMElement_Release(root);
return ret;
}