def add_reverse_record():
ip_address_to_be_added = sys.argv[1]
host_name_to_be_added = sys.argv[2]
record_valid = 1
ip_valid = 0
os.chdir("/root")
network_address_file = open("user_network_address", 'r')
network_address = network_address_file.read()
network_address_file.close()
ip = IPNetwork(network_address)
prefix_length = int(ip.prefixlen)
ip_address = IPAddress(ip_address_to_be_added)
if ip_address_to_be_added in IPNetwork(network_address):
ip_valid = 1
reverse_zone_file_name, reverse_zone_name = reverseZone_name()
os.chdir(zone_files_path)
readFiles = open(reverse_zone_file_name, 'r')
forward_zone_file_content = readFiles.read()
readFiles.close()
if host_name_to_be_added in forward_zone_file_content:
record_valid = 0
print "\nHostname is already entered in the database.\nSorry! Cannot enter duplicate records.\nPlease enter a different record\n"
if record_valid == 1:
octate = str(ip_address).split(".")
if prefix_length < 16:
reverse_record = octate[3] + "." + octate[2] + "." + octate[1]
elif prefix_length >= 16 and prefix_length < 24:
reverse_record = octate[3] + "." + octate[2]
else:
reverse_record = octate[3]
if reverse_record in forward_zone_file_content:
record_valid = 0
print "\nIP address is already entered in the database.\nSorry! Cannot enter duplicate records.\nPlease enter a different record\n"
else:
print(
"\nSorry, cannot accept this record! \nPlease enter an IP address within your entered zone! \nYour entered zone is: %s\n"
% (IPNetwork(network_address)))
if ip_valid == 1:
if record_valid == 1:
reverse_zone_file_name, reverse_zone_name = reverseZone_name()
os.chdir(zone_files_path)
reverse_zone_file_path = reverse_zone_file_name
reverse_zone_content = open(reverse_zone_file_path, 'a')
reverse_zone_content.write("\n%s \t IN \t PTR \t %s" %
(reverse_record, host_name_to_be_added))
reverse_zone_content.close()
print "\nThe reverse record that you entered has been added!\n"
subprocess.call("service bind9 reload", shell=True)
def add_reverse_record():
ip_address_to_be_added= sys.argv[1]
host_name_to_be_added= sys.argv[2]
record_valid=1
ip_valid=0
os.chdir("/root")
network_address_file= open("user_network_address", 'r')
network_address=network_address_file.read()
network_address_file.close()
ip = IPNetwork(network_address)
prefix_length=int(ip.prefixlen)
ip_address=IPAddress(ip_address_to_be_added)
if ip_address_to_be_added in IPNetwork(network_address):
ip_valid=1
reverse_zone_file_name,reverse_zone_name=reverseZone_name()
os.chdir(zone_files_path)
readFiles = open(reverse_zone_file_name, 'r')
forward_zone_file_content = readFiles.read()
readFiles.close()
if host_name_to_be_added in forward_zone_file_content:
record_valid=0
print "\nHostname is already entered in the database.\nSorry! Cannot enter duplicate records.\nPlease enter a different record\n"
if record_valid==1:
octate = str(ip_address).split(".")
if prefix_length<16:
reverse_record=octate[3]+"."+octate[2]+"."+octate[1]
elif prefix_length>=16 and prefix_length<24:
reverse_record=octate[3]+"."+octate[2]
else:
reverse_record=octate[3]
if reverse_record in forward_zone_file_content:
record_valid=0
print "\nIP address is already entered in the database.\nSorry! Cannot enter duplicate records.\nPlease enter a different record\n"
else:
print ("\nSorry, cannot accept this record! \nPlease enter an IP address within your entered zone! \nYour entered zone is: %s\n" % (IPNetwork(network_address)))
if ip_valid==1:
if record_valid==1:
reverse_zone_file_name,reverse_zone_name=reverseZone_name()
os.chdir(zone_files_path)
reverse_zone_file_path=reverse_zone_file_name
reverse_zone_content = open(reverse_zone_file_path, 'a')
reverse_zone_content.write("\n%s \t IN \t PTR \t %s" % (reverse_record,host_name_to_be_added))
reverse_zone_content.close()
print "\nThe reverse record that you entered has been added!\n"
subprocess.call("service bind9 reload",shell=True)
def creating_reverse_zone(domain_name):
old_file = "/etc/bind/db.127"
old_file_content = open(old_file, 'r')
text_in_oldFile = old_file_content.read()
old_file_content.close()
text_updated = text_in_oldFile.replace("localhost.", domain_name + ".")
text_modified = text_updated.replace("root.localhost.",
"admin." + domain_name + ".")
reverse_zone_file_name, reverse_zone_name = reverseZone_name()
os.chdir(zone_files_path)
new_zone_file_content = open(reverse_zone_file_name, 'w')
new_zone_file_content.write(text_modified)
new_zone_file_content.close()
# delete last 2 lines
readFiles = open(reverse_zone_file_name, 'r')
lines = readFiles.readlines()
readFiles.close()
file_content = open(reverse_zone_file_name, 'w')
file_content.writelines([item for item in lines[:-2]])
file_content.close()
# Add few lines
zoneFile_content = open(reverse_zone_file_name, 'a')
zoneFile_content.write("\n \t IN \t NS \t %s \n" %
("ns." + domain_name + "."))
zoneFile_content.close()
print "\nThe reverse zone is created and is now ready to accept your records!\nYou can add reverse records any time!\n"
def creating_reverse_zone():
domain_name= sys.argv[1]
old_file="/etc/bind/db.127"
old_file_content=open(old_file,'r')
text_in_oldFile=old_file_content.read()
old_file_content.close()
text_updated=text_in_oldFile.replace("localhost.",domain_name+".")
text_modified=text_updated.replace("root.localhost.","admin."+domain_name+".")
reverse_zone_file_name,reverse_zone_name=reverseZone_name()
os.chdir(zone_files_path)
new_zone_file_content=open(reverse_zone_file_name,'w')
new_zone_file_content.write(text_modified)
new_zone_file_content.close()
# delete last 2 lines
readFiles = open(reverse_zone_file_name,'r')
lines = readFiles.readlines()
readFiles.close()
file_content = open(reverse_zone_file_name,'w')
file_content.writelines([item for item in lines[:-2]])
file_content.close()
# Add few lines
zoneFile_content = open(reverse_zone_file_name, 'a')
zoneFile_content.write("\n \t IN \t NS \t %s \n"% ("ns."+domain_name+"."))
zoneFile_content.close()
print "\nThe reverse zone is created and is now ready to accept your records!\nYou can add reverse records any time!\n"
def local_file_configure(domain_name):
reverse_zone_file_name, reverse_zone_name = reverseZone_name()
local_file_path = "/etc/bind/named.conf.local"
local_file_path_content = open(local_file_path, 'w')
local_file_path_content.write(
"zone \"%s\" %s \n\ttype master; \n file \"/etc/bind/zones/%s\"; \t # zone file path \n allow-transfer %s none; %s;\t \n%s;\n \nzone \"%s\" %s \n\ttype master; \n file \"/etc/bind/zones/%s\"; \n allow-transfer %s none; %s ;\t \n%s;\n"
% (domain_name, curlybrace1, "db." + domain_name, curlybrace1,
curlybrace2, curlybrace2, reverse_zone_name, curlybrace1,
reverse_zone_file_name, curlybrace1, curlybrace2, curlybrace2))
local_file_path_content.close()
def remove_reverse_record():
host_name_to_be_removed = sys.argv[1]
reverse_zone_file_name, reverse_zone_name = reverseZone_name()
os.chdir(zone_files_path)
readFiles = open(reverse_zone_file_name, 'r')
reverse_zone_file_content = readFiles.read()
readFiles.close()
readFiles = open(reverse_zone_file_name, 'r')
lines = readFiles.readlines()
readFiles.close()
if host_name_to_be_removed in reverse_zone_file_content:
file_content = open(reverse_zone_file_name, 'w')
for line in lines:
if not host_name_to_be_removed in line:
file_content.write(line)
file_content.close()
print "\nThe reverse record that you entered has been removed!\n"
else:
print "\nThe record you wanted to remove is already absent in the database!\n"
def remove_reverse_record(): host_name_to_be_removed= sys.argv[1] reverse_zone_file_name,reverse_zone_name=reverseZone_name() os.chdir(zone_files_path) readFiles = open(reverse_zone_file_name,'r') reverse_zone_file_content = readFiles.read() readFiles.close() readFiles = open(reverse_zone_file_name,'r') lines = readFiles.readlines() readFiles.close() if host_name_to_be_removed in reverse_zone_file_content: file_content = open(reverse_zone_file_name,'w') for line in lines: if not host_name_to_be_removed in line: file_content.write(line) file_content.close() print "\nThe reverse record that you entered has been removed!\n" else: print "\nThe record you wanted to remove is already absent in the database!\n"