From 41bcc0bb45309347ea2488d792a331cf6de04c00 Mon Sep 17 00:00:00 2001
From: Malik Abdullah <muhammad.abdullah.malik@cfel.de>
Date: Wed, 6 Apr 2022 19:16:08 +0200
Subject: [PATCH 1/2] Ctype wrapper is used to call getnetgrent for the lists
 of host

---
 src/api/python/hidra/utils/utils_netgroup.py | 31 ++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 src/api/python/hidra/utils/utils_netgroup.py

diff --git a/src/api/python/hidra/utils/utils_netgroup.py b/src/api/python/hidra/utils/utils_netgroup.py
new file mode 100644
index 00000000..748acb6a
--- /dev/null
+++ b/src/api/python/hidra/utils/utils_netgroup.py
@@ -0,0 +1,31 @@
+
+from ctypes import *
+
+def find_hostname(netgroup):
+
+    libc = CDLL("libc.so.6")
+    if (libc != None):
+        pass
+    else:
+        libc = CDLL("libc.so.7")
+
+ 
+    hosts = None
+    if libc.setnetgrent(netgroup):
+        # returns 1 if successful and 0 otherwise
+        host = c_char_p()
+        user = c_char_p()
+        domain = c_char_p()
+        
+        hosts = []
+        while libc.getnetgrent(byref(host), byref(user), byref(domain)):
+            if host:
+                # check is host is not a NULL pointer
+                hosts.append(host.value)
+    
+    return(hosts)
+
+
+hosts = find_hostname(b"a3p62-hosts")
+print(hosts)
+print("done")
\ No newline at end of file

From 0c9926ac0f9ef7e8a852a15394f40cdb0f1a2417 Mon Sep 17 00:00:00 2001
From: Malik Abdullah <muhammad.abdullah.malik@cfel.de>
Date: Mon, 30 May 2022 10:30:58 +0200
Subject: [PATCH 2/2] function find_hostname modified to get_hostname

---
 src/api/python/hidra/utils/utils_netgroup.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/api/python/hidra/utils/utils_netgroup.py b/src/api/python/hidra/utils/utils_netgroup.py
index 748acb6a..401d6dfa 100644
--- a/src/api/python/hidra/utils/utils_netgroup.py
+++ b/src/api/python/hidra/utils/utils_netgroup.py
@@ -1,7 +1,7 @@
 
 from ctypes import *
 
-def find_hostname(netgroup):
+def get_hostname(netgroup):
 
     libc = CDLL("libc.so.6")
     if (libc != None):
@@ -26,6 +26,6 @@ def find_hostname(netgroup):
     return(hosts)
 
 
-hosts = find_hostname(b"a3p62-hosts")
+hosts = get_hostname(b"a3p62-hosts")
 print(hosts)
 print("done")
\ No newline at end of file