File add_ntlm.patch of Package libesmtp

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File add_ntlm.patch of Package libesmtp

From 1c304e7886a08fb56485e41614ff3f8685afb59d Mon Sep 17 00:00:00 2001
From: Jiaqing Zhao <jiaqing.zhao@intel.com>
Date: Tue, 8 Mar 2022 15:05:32 +0000
Subject: [PATCH] Add build option for NTLM support

Currently, NTLM plugin is built by default when openssl is available
and STARTTLS is enabled. But in libesmtp 1.0.6, there is a separate
build option. This commits adds the 'ntlm' option back. It's also
disabled by default.

Like 1.0.6, it will check openssl MD4 algorithm support as MD4 is
insecure and modern systems may drop MD4 support.

Signed-off-by: Jiaqing Zhao <jiaqing.zhao@intel.com>
---
 meson.build       | 13 ++++++++++---
 meson_options.txt |  1 +
 ntlm/meson.build  |  2 +-
 3 files changed, 12 insertions(+), 4 deletions(-)

Index: libESMTP-1.1.0/meson.build
===================================================================
--- libESMTP-1.1.0.orig/meson.build
+++ libESMTP-1.1.0/meson.build
@@ -63,6 +63,7 @@ add_project_arguments(cc.get_supported_a
 ################################################################################
 dldep = cc.find_library('dl')
 ssldep = dependency('openssl', version : '>=1.1.0', required : get_option('tls'))
+ntlmdep = dependency('openssl', version : '>=1.1.0', required : get_option('ntlm'))
 threaddep = dependency('threads', required : get_option('pthreads'))
 
 #XXX add test for libbind9.so
@@ -71,6 +72,7 @@ lwresdep = cc.find_library('lwres', requ
 deps = [
   dldep,
   ssldep,
+  ntlmdep,
   threaddep,
   lwresdep,
 ]
@@ -220,8 +222,12 @@ include_dir = include_directories('.')
 subdir('login')
 subdir('plain')
 subdir('crammd5')
-if ssldep.found()
-  subdir('ntlm')
+if ntlmdep.found()
+  if cc.has_header('openssl/md4.h') and cc.has_function('MD4_Init', dependencies : ntlmdep)
+    subdir('ntlm')
+  else
+    error('MD4 is not supported in current openssl, unable to build NTLM plugin')
+  endif
 endif
 
 ################################################################################
@@ -247,4 +253,5 @@ summary({'current:revision:age': libesmt
 	 'STARTTLS': ssldep.found(),
 	 'CHUNKING': get_option('bdat'),
 	 'ETRN': get_option('etrn'),
-	 'XUSR': get_option('xusr')})
+	 'XUSR': get_option('xusr'),
+	 'NTLM': ntlmdep.found()})
Index: libESMTP-1.1.0/meson_options.txt
===================================================================
--- libESMTP-1.1.0.orig/meson_options.txt
+++ libESMTP-1.1.0/meson_options.txt
@@ -5,3 +5,4 @@ option('lwres', type : 'feature', value
 option('bdat', type : 'boolean', value : 'true', description : 'enable SMTP BDAT extension')
 option('etrn', type : 'boolean', value : 'true', description : 'enable SMTP ETRN extension')
 option('xusr', type : 'boolean', value : 'true', description : 'enable sendmail XUSR extension')
+option('ntlm', type : 'feature', value : 'disabled', description : 'build with support for NTLM authentication')
Index: libESMTP-1.1.0/ntlm/meson.build
===================================================================
--- libESMTP-1.1.0.orig/ntlm/meson.build
+++ libESMTP-1.1.0/ntlm/meson.build
@@ -5,7 +5,7 @@ sasl_ntlm_sources = [
   'ntlmstruct.c',
 ]
 
-ntlm_deps = [ ssldep, ]
+ntlm_deps = [ ntlmdep, ]
 
 sasl_ntlm = shared_module('ntlm', sasl_ntlm_sources,
 			  name_prefix : 'sasl-',

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