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Set additional environment variables at startup from

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HKLM\System\CurrentControlSet\Control\Session Manager\Environment.
This commit is contained in:
Alexandre Julliard 2004-05-05 22:05:18 +00:00
parent 0040ba959b
commit 0a19a07ecf
1 changed files with 52 additions and 0 deletions
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52
dlls/kernel/process.c
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@ -400,6 +400,56 @@ static BOOL build_initial_environment( char **environ )
}
/***********************************************************************
* set_registry_environment
*
* Set the environment variables specified in the registry.
*/
static void set_registry_environment(void)
{
static const WCHAR env_keyW[] = {'M','a','c','h','i','n','e','\\',
'S','y','s','t','e','m','\\',
'C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\',
'C','o','n','t','r','o','l','\\',
'S','e','s','s','i','o','n',' ','M','a','n','a','g','e','r','\\',
'E','n','v','i','r','o','n','m','e','n','t',0};
OBJECT_ATTRIBUTES attr;
UNICODE_STRING nameW, env_name, env_value;
NTSTATUS status;
HKEY hkey;
DWORD size;
int index;
char buffer[1024 + sizeof(KEY_VALUE_FULL_INFORMATION)];
KEY_VALUE_FULL_INFORMATION *info = (KEY_VALUE_FULL_INFORMATION *)buffer;
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.ObjectName = &nameW;
attr.Attributes = 0;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
RtlInitUnicodeString( &nameW, env_keyW );
if (NtOpenKey( &hkey, KEY_ALL_ACCESS, &attr ) != STATUS_SUCCESS) return;
for (index = 0; ; index++)
{
status = NtEnumerateValueKey( hkey, index, KeyValueFullInformation,
buffer, sizeof(buffer), &size );
if (status == STATUS_BUFFER_OVERFLOW) continue;
if (status != STATUS_SUCCESS) break;
if (info->Type != REG_SZ) continue; /* FIXME: handle REG_EXPAND_SZ */
env_name.Buffer = info->Name;
env_name.Length = env_name.MaximumLength = info->NameLength;
env_value.Buffer = (WCHAR *)(buffer + info->DataOffset);
env_value.Length = env_value.MaximumLength = info->DataLength;
if (env_value.Length && !env_value.Buffer[env_value.Length/sizeof(WCHAR)-1])
env_value.Length--; /* don't count terminating null if any */
RtlSetEnvironmentVariable( NULL, &env_name, &env_value );
}
NtClose( hkey );
}
/***********************************************************************
* set_library_wargv
*
@ -750,6 +800,8 @@ static BOOL process_init( char *argv[], char **environ )
}
SERVER_END_REQ;
if (!info_size) set_registry_environment();
return TRUE;
}