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Sweden-Number/dlls/msi/helpers.c

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/*
* Implementation of the Microsoft Installer (msi.dll)
*
* Copyright 2005 Aric Stewart for CodeWeavers
*
* 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
*/
/*
* Here are helper functions formally in action.c that are used by a variety of
* actions and functions.
*/
#include <stdarg.h>
#include "windef.h"
#include "wine/debug.h"
#include "msipriv.h"
#include "winuser.h"
#include "wine/unicode.h"
#include "msidefs.h"
WINE_DEFAULT_DEBUG_CHANNEL(msi);
static const WCHAR cszTargetDir[] = {'T','A','R','G','E','T','D','I','R',0};
static const WCHAR cszDatabase[]={'D','A','T','A','B','A','S','E',0};
LPWSTR build_icon_path(MSIPACKAGE *package, LPCWSTR icon_name )
{
LPWSTR SystemFolder, dest, FilePath;
static const WCHAR szMicrosoft[] =
{'M','i','c','r','o','s','o','f','t','\\',0};
static const WCHAR szInstaller[] =
{'I','n','s','t','a','l','l','e','r','\\',0};
static const WCHAR szADFolder[] =
{'A','p','p','D','a','t','a','F','o','l','d','e','r',0};
static const WCHAR szWFolder[] =
{'W','i','n','d','o','w','s','F','o','l','d','e','r',0};
if(package->Context == MSIINSTALLCONTEXT_MACHINE)
SystemFolder = msi_dup_property( package->db, szWFolder );
else
{
LPWSTR ADTgt = msi_dup_property( package->db, szADFolder );
SystemFolder = build_directory_name(2, ADTgt, szMicrosoft);
msi_free(ADTgt);
}
dest = build_directory_name(3, SystemFolder, szInstaller, package->ProductCode);
create_full_pathW(dest);
FilePath = build_directory_name(2, dest, icon_name);
msi_free(SystemFolder);
msi_free(dest);
return FilePath;
}
LPWSTR msi_dup_record_field( MSIRECORD *rec, INT field )
{
DWORD sz = 0;
LPWSTR str;
UINT r;
if (MSI_RecordIsNull( rec, field ))
return NULL;
r = MSI_RecordGetStringW( rec, field, NULL, &sz );
if (r != ERROR_SUCCESS)
return NULL;
sz ++;
str = msi_alloc( sz * sizeof (WCHAR) );
if (!str)
return str;
str[0] = 0;
r = MSI_RecordGetStringW( rec, field, str, &sz );
if (r != ERROR_SUCCESS)
{
ERR("failed to get string!\n");
msi_free( str );
return NULL;
}
return str;
}
MSICOMPONENT* get_loaded_component( MSIPACKAGE* package, LPCWSTR Component )
{
MSICOMPONENT *comp;
LIST_FOR_EACH_ENTRY( comp, &package->components, MSICOMPONENT, entry )
{
if (!strcmpW( Component, comp->Component ))
return comp;
}
return NULL;
}
MSIFEATURE* get_loaded_feature(MSIPACKAGE* package, LPCWSTR Feature )
{
MSIFEATURE *feature;
LIST_FOR_EACH_ENTRY( feature, &package->features, MSIFEATURE, entry )
{
if (!strcmpW( Feature, feature->Feature ))
return feature;
}
return NULL;
}
MSIFILE* get_loaded_file( MSIPACKAGE* package, LPCWSTR key )
{
MSIFILE *file;
LIST_FOR_EACH_ENTRY( file, &package->files, MSIFILE, entry )
{
if (!strcmpW( key, file->File ))
return file;
}
return NULL;
}
MSIFILEPATCH* get_loaded_filepatch( MSIPACKAGE* package, LPCWSTR key )
{
MSIFILEPATCH *patch;
/* FIXME: There might be more than one patch */
LIST_FOR_EACH_ENTRY( patch, &package->filepatches, MSIFILEPATCH, entry )
{
if (!strcmpW( key, patch->File->File ))
return patch;
}
return NULL;
}
int track_tempfile( MSIPACKAGE *package, LPCWSTR path )
{
MSITEMPFILE *temp;
TRACE("%s\n", debugstr_w(path));
LIST_FOR_EACH_ENTRY( temp, &package->tempfiles, MSITEMPFILE, entry )
if (!strcmpW( path, temp->Path ))
return 0;
temp = msi_alloc_zero( sizeof (MSITEMPFILE) );
if (!temp)
return -1;
list_add_head( &package->tempfiles, &temp->entry );
temp->Path = strdupW( path );
return 0;
}
MSIFOLDER *get_loaded_folder( MSIPACKAGE *package, LPCWSTR dir )
{
MSIFOLDER *folder;
LIST_FOR_EACH_ENTRY( folder, &package->folders, MSIFOLDER, entry )
{
if (!strcmpW( dir, folder->Directory ))
return folder;
}
return NULL;
}
static LPWSTR get_source_root( MSIPACKAGE *package )
{
LPWSTR path, p;
path = msi_dup_property( package->db, cszSourceDir );
if (path)
return path;
path = msi_dup_property( package->db, cszDatabase );
if (path)
{
p = strrchrW(path,'\\');
if (p)
*(p+1) = 0;
}
return path;
}
/*
* clean_spaces_from_path()
*
* removes spaces from the beginning and end of path segments
* removes multiple \\ characters
*/
static void clean_spaces_from_path( LPWSTR p )
{
LPWSTR q = p;
int n, len = 0;
while (1)
{
/* copy until the end of the string or a space */
while (*p != ' ' && (*q = *p))
{
p++, len++;
/* reduce many backslashes to one */
if (*p != '\\' || *q != '\\')
q++;
}
/* quit at the end of the string */
if (!*p)
break;
/* count the number of spaces */
n = 0;
while (p[n] == ' ')
n++;
/* if it's leading or trailing space, skip it */
if ( len == 0 || p[-1] == '\\' || p[n] == '\\' )
p += n;
else /* copy n spaces */
while (n && (*q++ = *p++)) n--;
}
}
LPWSTR resolve_file_source(MSIPACKAGE *package, MSIFILE *file)
{
LPWSTR p, path;
TRACE("Working to resolve source of file %s\n", debugstr_w(file->File));
if (file->IsCompressed)
return NULL;
p = resolve_source_folder( package, file->Component->Directory, NULL );
path = build_directory_name(2, p, file->ShortName);
if (file->LongName &&
GetFileAttributesW(path) == INVALID_FILE_ATTRIBUTES)
{
msi_free(path);
path = build_directory_name(2, p, file->LongName);
}
msi_free(p);
TRACE("file %s source resolves to %s\n", debugstr_w(file->File), debugstr_w(path));
return path;
}
LPWSTR resolve_source_folder( MSIPACKAGE *package, LPCWSTR name, MSIFOLDER **folder )
{
MSIFOLDER *f;
LPWSTR p, path = NULL, parent;
TRACE("working to resolve %s\n", debugstr_w(name));
if (!strcmpW( name, cszSourceDir ))
name = cszTargetDir;
f = get_loaded_folder( package, name );
if (!f)
return NULL;
/* special resolving for Target and Source root dir */
if (!strcmpW( name, cszTargetDir ))
{
if (!f->ResolvedSource)
f->ResolvedSource = get_source_root( package );
}
if (folder)
*folder = f;
if (f->ResolvedSource)
{
path = strdupW( f->ResolvedSource );
TRACE(" already resolved to %s\n", debugstr_w(path));
return path;
}
if (!f->Parent)
return path;
parent = f->Parent;
TRACE(" ! parent is %s\n", debugstr_w(parent));
p = resolve_source_folder( package, parent, NULL );
if (package->WordCount & msidbSumInfoSourceTypeCompressed)
path = get_source_root( package );
else if (package->WordCount & msidbSumInfoSourceTypeSFN)
path = build_directory_name( 3, p, f->SourceShortPath, NULL );
else
path = build_directory_name( 3, p, f->SourceLongPath, NULL );
TRACE("-> %s\n", debugstr_w(path));
f->ResolvedSource = strdupW( path );
msi_free( p );
return path;
}
LPWSTR resolve_target_folder( MSIPACKAGE *package, LPCWSTR name, BOOL set_prop, BOOL load_prop,
MSIFOLDER **folder )
{
MSIFOLDER *f;
LPWSTR p, path = NULL, parent;
TRACE("working to resolve %s\n", debugstr_w(name));
f = get_loaded_folder( package, name );
if (!f)
return NULL;
/* special resolving for Target and Source root dir */
if (!strcmpW( name, cszTargetDir ))
{
if (!f->ResolvedTarget && !f->Property)
{
LPWSTR check_path;
check_path = msi_dup_property( package->db, cszTargetDir );
if (!check_path)
{
check_path = msi_dup_property( package->db, cszRootDrive );
if (set_prop)
msi_set_property( package->db, cszTargetDir, check_path );
}
/* correct misbuilt target dir */
path = build_directory_name(2, check_path, NULL);
clean_spaces_from_path( path );
if (strcmpiW( path, check_path ))
msi_set_property( package->db, cszTargetDir, path );
msi_free(check_path);
f->ResolvedTarget = path;
}
}
if (folder)
*folder = f;
if (f->ResolvedTarget)
{
path = strdupW( f->ResolvedTarget );
TRACE(" already resolved to %s\n", debugstr_w(path));
return path;
}
if (f->Property)
{
path = build_directory_name( 2, f->Property, NULL );
TRACE(" internally set to %s\n", debugstr_w(path));
if (set_prop) msi_set_property( package->db, name, path );
return path;
}
if (load_prop && (path = msi_dup_property( package->db, name )))
{
f->ResolvedTarget = strdupW( path );
TRACE(" property set to %s\n", debugstr_w(path));
return path;
}
if (!f->Parent)
return path;
parent = f->Parent;
TRACE(" ! parent is %s\n", debugstr_w(parent));
p = resolve_target_folder( package, parent, set_prop, load_prop, NULL );
TRACE(" TargetDefault = %s\n", debugstr_w(f->TargetDefault));
path = build_directory_name( 3, p, f->TargetDefault, NULL );
clean_spaces_from_path( path );
f->ResolvedTarget = strdupW( path );
TRACE("-> %s\n", debugstr_w(path));
if (set_prop) msi_set_property( package->db, name, path );
msi_free( p );
return path;
}
/* wrapper to resist a need for a full rewrite right now */
DWORD deformat_string(MSIPACKAGE *package, LPCWSTR ptr, WCHAR** data )
{
if (ptr)
{
MSIRECORD *rec = MSI_CreateRecord(1);
DWORD size = 0;
MSI_RecordSetStringW(rec,0,ptr);
MSI_FormatRecordW(package,rec,NULL,&size);
size++;
*data = msi_alloc(size*sizeof(WCHAR));
if (size > 1)
MSI_FormatRecordW(package,rec,*data,&size);
else
*data[0] = 0;
msiobj_release( &rec->hdr );
return sizeof(WCHAR)*size;
}
*data = NULL;
return 0;
}
UINT schedule_action(MSIPACKAGE *package, UINT script, LPCWSTR action)
{
UINT count;
LPWSTR *newbuf = NULL;
if (script >= TOTAL_SCRIPTS)
{
FIXME("Unknown script requested %i\n",script);
return ERROR_FUNCTION_FAILED;
}
TRACE("Scheduling Action %s in script %i\n",debugstr_w(action), script);
count = package->script->ActionCount[script];
package->script->ActionCount[script]++;
if (count != 0)
newbuf = msi_realloc( package->script->Actions[script],
package->script->ActionCount[script]* sizeof(LPWSTR));
else
newbuf = msi_alloc( sizeof(LPWSTR));
newbuf[count] = strdupW(action);
package->script->Actions[script] = newbuf;
return ERROR_SUCCESS;
}
void msi_free_action_script(MSIPACKAGE *package, UINT script)
{
UINT i;
for (i = 0; i < package->script->ActionCount[script]; i++)
msi_free(package->script->Actions[script][i]);
msi_free(package->script->Actions[script]);
package->script->Actions[script] = NULL;
package->script->ActionCount[script] = 0;
}
/*
* build_directory_name()
*
* This function is to save messing round with directory names
* It handles adding backslashes between path segments,
* and can add \ at the end of the directory name if told to.
*
* It takes a variable number of arguments.
* It always allocates a new string for the result, so make sure
* to free the return value when finished with it.
*
* The first arg is the number of path segments that follow.
* The arguments following count are a list of path segments.
* A path segment may be NULL.
*
* Path segments will be added with a \ separating them.
* A \ will not be added after the last segment, however if the
* last segment is NULL, then the last character will be a \
*
*/
LPWSTR build_directory_name(DWORD count, ...)
{
DWORD sz = 1, i;
LPWSTR dir;
va_list va;
va_start(va,count);
for(i=0; i<count; i++)
{
LPCWSTR str = va_arg(va,LPCWSTR);
if (str)
sz += strlenW(str) + 1;
}
va_end(va);
dir = msi_alloc(sz*sizeof(WCHAR));
dir[0]=0;
va_start(va,count);
for(i=0; i<count; i++)
{
LPCWSTR str = va_arg(va,LPCWSTR);
if (!str)
continue;
strcatW(dir, str);
if( ((i+1)!=count) && dir[strlenW(dir)-1]!='\\')
strcatW(dir, szBackSlash);
}
va_end(va);
return dir;
}
/***********************************************************************
* create_full_pathW
*
* Recursively create all directories in the path.
*
* shamelessly stolen from setupapi/queue.c
*/
BOOL create_full_pathW(const WCHAR *path)
{
BOOL ret = TRUE;
int len;
WCHAR *new_path;
new_path = msi_alloc( (strlenW(path) + 1) * sizeof(WCHAR));
strcpyW(new_path, path);
while((len = strlenW(new_path)) && new_path[len - 1] == '\\')
new_path[len - 1] = 0;
while(!CreateDirectoryW(new_path, NULL))
{
WCHAR *slash;
DWORD last_error = GetLastError();
if(last_error == ERROR_ALREADY_EXISTS)
break;
if(last_error != ERROR_PATH_NOT_FOUND)
{
ret = FALSE;
break;
}
if(!(slash = strrchrW(new_path, '\\')))
{
ret = FALSE;
break;
}
len = slash - new_path;
new_path[len] = 0;
if(!create_full_pathW(new_path))
{
ret = FALSE;
break;
}
new_path[len] = '\\';
}
msi_free(new_path);
return ret;
}
void ui_progress(MSIPACKAGE *package, int a, int b, int c, int d )
{
MSIRECORD * row;
row = MSI_CreateRecord(4);
MSI_RecordSetInteger(row,1,a);
MSI_RecordSetInteger(row,2,b);
MSI_RecordSetInteger(row,3,c);
MSI_RecordSetInteger(row,4,d);
MSI_ProcessMessage(package, INSTALLMESSAGE_PROGRESS, row);
msiobj_release(&row->hdr);
msi_dialog_check_messages(NULL);
}
void ui_actiondata(MSIPACKAGE *package, LPCWSTR action, MSIRECORD * record)
{
static const WCHAR Query_t[] =
{'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ',
'`','A','c','t','i','o', 'n','T','e','x','t','`',' ',
'W','H','E','R','E',' ', '`','A','c','t','i','o','n','`',' ','=',
' ','\'','%','s','\'',0};
WCHAR message[1024];
MSIRECORD * row = 0;
DWORD size;
if (!package->LastAction || strcmpW(package->LastAction, action))
{
row = MSI_QueryGetRecord(package->db, Query_t, action);
if (!row)
return;
if (MSI_RecordIsNull(row,3))
{
msiobj_release(&row->hdr);
return;
}
/* update the cached actionformat */
msi_free(package->ActionFormat);
package->ActionFormat = msi_dup_record_field(row,3);
msi_free(package->LastAction);
package->LastAction = strdupW(action);
msiobj_release(&row->hdr);
}
MSI_RecordSetStringW(record,0,package->ActionFormat);
size = 1024;
MSI_FormatRecordW(package,record,message,&size);
row = MSI_CreateRecord(1);
MSI_RecordSetStringW(row,1,message);
MSI_ProcessMessage(package, INSTALLMESSAGE_ACTIONDATA, row);
msiobj_release(&row->hdr);
}
void reduce_to_longfilename(WCHAR* filename)
{
LPWSTR p = strchrW(filename,'|');
if (p)
memmove(filename, p+1, (strlenW(p+1)+1)*sizeof(WCHAR));
}
LPWSTR create_component_advertise_string(MSIPACKAGE* package,
MSICOMPONENT* component, LPCWSTR feature)
{
static const WCHAR fmt[] = {'%','s','%','s','%','c','%','s',0};
WCHAR productid_85[21], component_85[21];
LPWSTR output = NULL;
DWORD sz = 0;
GUID clsid;
/* > is used if there is a component GUID and < if not. */
productid_85[0] = 0;
component_85[0] = 0;
CLSIDFromString(package->ProductCode, &clsid);
encode_base85_guid(&clsid, productid_85);
if (component)
{
CLSIDFromString(component->ComponentId, &clsid);
encode_base85_guid(&clsid, component_85);
}
TRACE("prod=%s feat=%s comp=%s\n", debugstr_w(productid_85),
debugstr_w(feature), debugstr_w(component_85));
sz = 20 + lstrlenW(feature) + 20 + 3;
output = msi_alloc_zero(sz*sizeof(WCHAR));
sprintfW(output, fmt, productid_85, feature,
component?'>':'<', component_85);
return output;
}
/* update component state based on a feature change */
void ACTION_UpdateComponentStates( MSIPACKAGE *package, MSIFEATURE *feature )
{
INSTALLSTATE newstate;
ComponentList *cl;
newstate = feature->ActionRequest;
if (newstate == INSTALLSTATE_ABSENT)
newstate = INSTALLSTATE_UNKNOWN;
LIST_FOR_EACH_ENTRY( cl, &feature->Components, ComponentList, entry )
{
MSICOMPONENT* component = cl->component;
if (!component->Enabled) continue;
TRACE("MODIFYING(%i): Component %s (Installed %i, Action %i, Request %i)\n",
newstate, debugstr_w(component->Component), component->Installed,
component->Action, component->ActionRequest);
if (newstate == INSTALLSTATE_LOCAL)
{
component->Action = INSTALLSTATE_LOCAL;
component->ActionRequest = INSTALLSTATE_LOCAL;
}
else
{
ComponentList *clist;
MSIFEATURE *f;
component->hasLocalFeature = FALSE;
component->Action = newstate;
component->ActionRequest = newstate;
/* if any other feature wants it local we need to set it local */
LIST_FOR_EACH_ENTRY( f, &package->features, MSIFEATURE, entry )
{
if ( f->ActionRequest != INSTALLSTATE_LOCAL &&
f->ActionRequest != INSTALLSTATE_SOURCE )
{
continue;
}
LIST_FOR_EACH_ENTRY( clist, &f->Components, ComponentList, entry )
{
if ( clist->component == component &&
(f->ActionRequest == INSTALLSTATE_LOCAL ||
f->ActionRequest == INSTALLSTATE_SOURCE) )
{
TRACE("Saved by %s\n", debugstr_w(f->Feature));
component->hasLocalFeature = TRUE;
if (component->Attributes & msidbComponentAttributesOptional)
{
if (f->Attributes & msidbFeatureAttributesFavorSource)
{
component->Action = INSTALLSTATE_SOURCE;
component->ActionRequest = INSTALLSTATE_SOURCE;
}
else
{
component->Action = INSTALLSTATE_LOCAL;
component->ActionRequest = INSTALLSTATE_LOCAL;
}
}
else if (component->Attributes & msidbComponentAttributesSourceOnly)
{
component->Action = INSTALLSTATE_SOURCE;
component->ActionRequest = INSTALLSTATE_SOURCE;
}
else
{
component->Action = INSTALLSTATE_LOCAL;
component->ActionRequest = INSTALLSTATE_LOCAL;
}
}
}
}
}
TRACE("Result (%i): Component %s (Installed %i, Action %i, Request %i)\n",
newstate, debugstr_w(component->Component), component->Installed,
component->Action, component->ActionRequest);
}
}
UINT register_unique_action(MSIPACKAGE *package, LPCWSTR action)
{
UINT count;
LPWSTR *newbuf = NULL;
if (!package->script)
return FALSE;
TRACE("Registering %s as unique action\n", debugstr_w(action));
count = package->script->UniqueActionsCount;
package->script->UniqueActionsCount++;
if (count != 0)
newbuf = msi_realloc( package->script->UniqueActions,
package->script->UniqueActionsCount* sizeof(LPWSTR));
else
newbuf = msi_alloc( sizeof(LPWSTR));
newbuf[count] = strdupW(action);
package->script->UniqueActions = newbuf;
return ERROR_SUCCESS;
}
BOOL check_unique_action(const MSIPACKAGE *package, LPCWSTR action)
{
UINT i;
if (!package->script)
return FALSE;
for (i = 0; i < package->script->UniqueActionsCount; i++)
if (!strcmpW(package->script->UniqueActions[i], action))
return TRUE;
return FALSE;
}
WCHAR* generate_error_string(MSIPACKAGE *package, UINT error, DWORD count, ... )
{
static const WCHAR query[] = {'S','E','L','E','C','T',' ','`','M','e','s','s','a','g','e','`',' ','F','R','O','M',' ','`','E','r','r','o','r','`',' ','W','H','E','R','E',' ','`','E','r','r','o','r','`',' ','=',' ','%','i',0};
MSIRECORD *rec;
MSIRECORD *row;
DWORD size = 0;
DWORD i;
va_list va;
LPCWSTR str;
LPWSTR data;
row = MSI_QueryGetRecord(package->db, query, error);
if (!row)
return 0;
rec = MSI_CreateRecord(count+2);
str = MSI_RecordGetString(row,1);
MSI_RecordSetStringW(rec,0,str);
msiobj_release( &row->hdr );
MSI_RecordSetInteger(rec,1,error);
va_start(va,count);
for (i = 0; i < count; i++)
{
str = va_arg(va,LPCWSTR);
MSI_RecordSetStringW(rec,(i+2),str);
}
va_end(va);
MSI_FormatRecordW(package,rec,NULL,&size);
size++;
data = msi_alloc(size*sizeof(WCHAR));
if (size > 1)
MSI_FormatRecordW(package,rec,data,&size);
else
data[0] = 0;
msiobj_release( &rec->hdr );
return data;
}
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