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Primitive SOURCE_DATE_EPOCH support for reproducible builds (patches 294)

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git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@7188 212acab6-be3b-0410-9dea-997c60f758d6
This commit is contained in:
anders_k 2020-06-26 22:52:09 +00:00
parent 6cd1e7d908
commit 7e2be76681
6 changed files with 95 additions and 24 deletions
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67
SCons/utils.py
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@ -1,3 +1,31 @@
def IsExecutingOnWindows():
import sys, os
if sys.platform.startswith('win') or os.name == 'nt': return True
return False
def GetWindowsStdSysEnvVarList(path=False, temp=True, user=True, os=True, shell=True, cpu=True):
ret = []
if os: ret += 'OS WINDIR SYSTEMDRIVE SYSTEMROOT ALLUSERSPROFILE Public ProgramData CommonProgramFiles CommonProgramFiles(x86) CommonProgramW6432 ProgramFiles ProgramFiles(x86) ProgramW6432'.split()
if cpu: ret += 'NUMBER_OF_PROCESSORS PROCESSOR_ARCHITECTURE PROCESSOR_ARCHITEW6432 PROCESSOR_IDENTIFIER PROCESSOR_LEVEL PROCESSOR_REVISION'.split()
if user: ret += 'COMPUTERNAME USERNAME USERPROFILE APPDATA LOCALAPPDATA HOMEDRIVE HOMESHARE HOMEPATH LOGONSERVER USERDNSDOMAIN USERDOMAIN USERDOMAIN_ROAMINGPROFILE ClientName SessionName'.split()
if shell: ret += 'COMSPEC PATHEXT PSModulePath'.split() # PROMPT
if temp: ret += 'TEMP TMP'.split()
if path: ret += 'PATH'.split()
return ret
def GetPosixStdSysEnvVarList(path=False, temp=True, user=True, os=True, shell=True, cpu=True):
ret = []
if os: ret += 'HOSTALIASES'.split()
if user: ret += 'HOME USER LOGNAME DATEMSK UID'.split() # XDG_* TZ LANGUAGE LANG LC_* NLSPATH
if shell: ret += 'SHELL TERM TERMCAP'.split()
if temp: ret += 'TMPDIR'.split()
if path: ret += 'PATH MANPATH'.split()
return ret
def GetStdSysEnvVarList(path=False, temp=True, user=True, os=True, shell=True, cpu=True):
func = GetPosixStdSysEnvVarList
if IsExecutingOnWindows(): func = GetWindowsStdSysEnvVarList
return func(path=path, temp=temp, user=user, os=os, shell=shell, cpu=cpu)
def AddAvailableLibs(env, libs):
"""
Scans through a list of libraries and adds
@ -145,10 +173,10 @@ def ReadU32LE(f, fpos=None, defval=None):
return FileUnpackRead("<I", 4, f, fpos, defval)
def WriteU16LE(f, v, fpos):
if not fpos is None: f.seek(fpos)
f.write(struct.pack("<H", v))
return f.write(struct.pack("<H", v))
def WriteU32LE(f, v, fpos):
if not fpos is None: f.seek(fpos)
f.write(struct.pack("<I", v))
return f.write(struct.pack("<I", v))
class MSPE:
def __init__(self, path=None, open_for_write=False):
@ -177,16 +205,24 @@ class MSPE:
self.IsPEP = 0x20b == self.NTOHMagic # IMAGE_NT_OPTIONAL_HDR64_MAGIC?
def ReadMachine(self):
return ReadU16LE(self._f, self.NTHOffset+4+0)
def WriteTimeDateStamp(self, value):
return WriteU32LE(self._f, value, self.NTHOffset+4+4)
def ReadCharacteristics(self):
return ReadU16LE(self._f, self.NTHOffset+4+18)
def WriteCharacteristics(self, value):
WriteU16LE(self._f, value, self.NTHOffset+4+18)
return WriteU16LE(self._f, value, self.NTHOffset+4+18)
def ReadDllCharacteristics(self):
return ReadU16LE(self._f, self.NTHOffset+4+20+70)
def WriteDllCharacteristics(self, value):
WriteU16LE(self._f, value, self.NTHOffset+4+20+70)
return WriteU16LE(self._f, value, self.NTHOffset+4+20+70)
def WriteChecksum(self, value):
WriteU32LE(self._f, value, self.NTHOffset+4+20+64)
return WriteU32LE(self._f, value, self.NTHOffset+4+20+64)
def InvalidateChecksum(self):
return self.WriteChecksum(0) and 0
def IsPE(pe):
if not isinstance(pe, MSPE): pe = MSPE(pe)
if not pe.NTOHMagic is None: return True
def IsPEExecutable(pe):
if not isinstance(pe, MSPE): pe = MSPE(pe)
@ -211,8 +247,25 @@ def SetPESecurityFlagsWorker(filepath):
ioh_dc |= 0x0040 # +IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE (ASLR)
if pe.IsPEP: ioh_dc |= 0x0020 # +IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA (HEASLR)
pe.WriteDllCharacteristics(ioh_dc)
pe.WriteChecksum(0)
pe.InvalidateChecksum()
finally:
return
Export('AddAvailableLibs AddZLib FlagsConfigure GetAvailableLibs GetOptionOrEnv IsPEExecutable SetPESecurityFlagsWorker')
def SetPETimestamp(filepath, timestamp):
pe = MSPE(filepath, open_for_write=True)
try:
if not IsPE(pe): return
pe.WriteTimeDateStamp(int(timestamp or 0))
pe.InvalidateChecksum()
return True
finally:
return
def MakeReproducibleAction(target, source, env):
if env.get('SOURCE_DATE_EPOCH','') is not '':
SetPETimestamp(target[0].path, env['SOURCE_DATE_EPOCH'])
def SilentActionEcho(target, source, env):
return None
Export('GetStdSysEnvVarList AddAvailableLibs AddZLib FlagsConfigure GetAvailableLibs GetOptionOrEnv SilentActionEcho IsPEExecutable SetPESecurityFlagsWorker MakeReproducibleAction')