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feat: Added class to DnsZone struct as a attribute.
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@elbaxd
elbaxd committed Jan 31, 2025
1 parent 3236a92 commit 7ba64a8
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Showing 2 changed files with 52 additions and 29 deletions.
7 changes: 7 additions & 0 deletions src/nameserver.rs
View file
Original file line number Diff line number Diff line change
Expand Up @@ -110,6 +110,7 @@ impl NameServer {

#[cfg(test)]
mod test_name_server {
use crate::message::rclass::Rclass;
use crate::message::rdata::soa_rdata::SoaRdata;
use crate::message::rdata::Rdata;
use crate::message::resource_record::ResourceRecord;
Expand Down Expand Up @@ -172,6 +173,7 @@ mod test_name_server {
// Create and add a zone
let zone = DnsZone::new(
"example.com.",
Rclass::IN,
3600,
soa_data,
);
Expand Down Expand Up @@ -205,6 +207,7 @@ mod test_name_server {
// Create a new zone to add
let zone = DnsZone::new(
"example.com.",
Rclass::IN,
3600,
soa_data,
);
Expand Down Expand Up @@ -235,6 +238,7 @@ mod test_name_server {
// Create and add a zone
let zone = DnsZone::new(
"example.com.",
Rclass::IN,
3600,
soa_data,
);
Expand Down Expand Up @@ -269,6 +273,7 @@ mod test_name_server {
// Create and add two zones
let zone1 = DnsZone::new(
"example.com.",
Rclass::IN,
3600,
soa_data1,
);
Expand All @@ -285,6 +290,7 @@ mod test_name_server {

let zone2 = DnsZone::new(
"example.org.",
Rclass::IN,
3600,
soa_data2,
);
Expand Down Expand Up @@ -324,6 +330,7 @@ mod test_name_server {
// Add a zone and validate the count
let zone = DnsZone::new(
"example.com.",
Rclass::IN,
3600,
soa_data,
);
Expand Down
74 changes: 45 additions & 29 deletions src/zones.rs
View file
Original file line number Diff line number Diff line change
Expand Up @@ -5,14 +5,13 @@ use crate::message::rdata::a_rdata::ARdata;
use crate::message::rdata::cname_rdata::CnameRdata;
use crate::message::rdata::soa_rdata::SoaRdata;
use crate::message::rdata::aaaa_rdata::AAAARdata;
use crate::message::rdata::{self, Rdata};
use crate::message::rdata::Rdata;
use crate::message::rdata::txt_rdata::TxtRdata;
use crate::message::rdata::mx_rdata::MxRdata;
use crate::domain_name::DomainName;
use crate::message::rdata::ptr_rdata::PtrRdata;
use crate::message::resource_record::ResourceRecord;
use crate::message::rclass::Rclass;
use crate::message::rdata::ns_rdata::NsRdata;
/*
The following entries are defined:
<blank>[<comment>]
Expand All @@ -36,10 +35,12 @@ The following entries are defined:
#[derive(Debug)]
pub struct DnsZone {
name: String, // Name of the zone (e.g., "example.com")
class: Rclass, // Class of the zone (e.g., "IN")
ttl: u32, // Default time to live (in seconds)
soa: SoaRdata, // SOA (Start of Authority) record
ns_records: Vec<String>,// List of name servers (NS)
resource_records: Vec<ResourceRecord>,// List of resource records
//children: Vec<DnsZone>, // List of child zones
}

impl DnsZone {
Expand All @@ -66,9 +67,10 @@ impl DnsZone {
/// assert!(dns_zone.ns_records.is_empty());
/// assert!(dns_zone.resource_records.is_empty());
/// ```
pub fn new(name: &str, ttl: u32, soa: SoaRdata) -> Self {
pub fn new(name: &str,class: Rclass, ttl: u32, soa: SoaRdata) -> Self {
DnsZone {
name: name.to_string(),
class,
ttl,
soa,
ns_records: Vec::new(),
Expand Down Expand Up @@ -175,7 +177,7 @@ impl DnsZone {
// Variables to work with the file
let mut last_name = String::new();
let mut last_ttl = 3600;
let mut class = Rclass::IN;
let mut file_class = String::new(); // Default value of class general
let mut first_line = true;
//let mut count_ns = 0;

Expand Down Expand Up @@ -214,10 +216,14 @@ impl DnsZone {
let record_name_string = record_name.to_string(); // Convert to String
name = record_name_string; // Save the name of the zone
last_name = name.clone(); // Save the last name for the next iteration

let class = parts[1]; // The second part is the class of the record
let class_string = class.to_string(); // Convert to String
file_class = class_string; // Save the class of the zone

// Set the SOA record
soa.set_mname(DomainName::new_from_str(parts[3]));
soa.set_rname(DomainName::new_from_str(parts[4]));
soa.set_mname(DomainName::new_from_str(parts[3])); // The third part is the mname
soa.set_rname(DomainName::new_from_str(parts[4])); // The fourth part is the rname
soa.set_serial(parts[5].parse().unwrap_or(0));
soa.set_refresh(parts[6].parse().unwrap_or(3600));
soa.set_retry(parts.get(7).unwrap_or(&"1800").parse().unwrap_or(1800));
Expand Down Expand Up @@ -253,25 +259,26 @@ impl DnsZone {
"NS" => { // If the record type is NS
ns_records.push(parts[rr_type_index+1].to_string()); // Save the NS record
}
"A" => {
"A" => { // If the record type is A
// Create the A record
let resource_record = ARdata::rr_from_master_file(parts[rr_type_index+1].split_whitespace(), ttl, "IN", record_name.to_string());
resource_records.push(resource_record);
resource_records.push(resource_record); // Save the A record
}
"AAAA" | "CNAME" | "MX" | "TXT" | "PTR" => {
let rdata = match record_type {
"AAAA" => {
"AAAA" | "CNAME" | "MX" | "TXT" | "PTR" => { // If the record type is AAAA, CNAME, MX, TXT or PTR
let rdata = match record_type { // Create the Rdata
"AAAA" => { // If the record type is AAAA
let ip_addr: std::net::IpAddr = parts[rr_type_index+1].parse().map_err(|_| io::Error::new(io::ErrorKind::InvalidData, "Invalid IP address"))?;
Rdata::AAAA(AAAARdata::new_from_addr(ip_addr))
},
"CNAME" => {
let cname = DomainName::new_from_str(parts[rr_type_index+1]);
let mut cname_rdata = CnameRdata::new();
cname_rdata.set_cname(cname);
let rdata = Rdata::CNAME(cname_rdata);
"CNAME" => { // If the record type is CNAME
let cname = DomainName::new_from_str(parts[rr_type_index+1]); // Create the DomainName
let mut cname_rdata = CnameRdata::new(); // Create the CnameRdata
cname_rdata.set_cname(cname); // Set the cname
let rdata = Rdata::CNAME(cname_rdata); // Create the Rdata
rdata}, // CNAME
"MX" => Rdata::MX(MxRdata::new()),
"TXT" => Rdata::TXT(TxtRdata::new(vec![parts[rr_type_index+1].to_string()])),
"PTR" => Rdata::PTR(PtrRdata::new()),
"MX" => Rdata::MX(MxRdata::new()), // If the record type is MX
"TXT" => Rdata::TXT(TxtRdata::new(vec![parts[rr_type_index+1].to_string()])), // If the record type is TXT
"PTR" => Rdata::PTR(PtrRdata::new()), // If the record type is PTR
_ => continue,
};

Expand Down Expand Up @@ -342,15 +349,15 @@ impl DnsZone {
continue;
}
}
}
/*else if parts.len() == 1 { // It is the case of the information of the SOA record
continue;;
} */
}
}
print!("{:?}", resource_records);

let class = Rclass::from(file_class.as_str()); // Convert the class to Rclass

// Validate and construct the zone
Ok(DnsZone {
name,
class,
ttl,
soa,
ns_records,
Expand All @@ -366,6 +373,11 @@ impl DnsZone {
&self.name
}

/// Gets the class of the zone.
pub fn get_class(&self) -> Rclass {
self.class
}

/// Gets the default TTL of the zone.
pub fn get_ttl(&self) -> u32 {
self.ttl
Expand Down Expand Up @@ -405,7 +417,7 @@ mod dns_zone_tests {
soa.set_expire(1209600);
soa.set_minimum(3600);

let dns_zone = DnsZone::new("example.com.", 3600, soa);
let dns_zone = DnsZone::new("example.com.", Rclass::IN, 3600, soa);

assert_eq!(dns_zone.name, "example.com.");
assert_eq!(dns_zone.ttl, 3600);
Expand All @@ -429,6 +441,7 @@ mod dns_zone_tests {

let mut dns_zone = DnsZone::new(
"example.com.",
Rclass::IN,
3600,
soa_data,
);
Expand All @@ -452,6 +465,7 @@ mod dns_zone_tests {

let mut dns_zone = DnsZone::new(
"example.com.",
Rclass::IN,
3600,
soa_data,
);
Expand Down Expand Up @@ -485,7 +499,8 @@ mod dns_zone_tests {

// Validate main properties of the zone
assert_eq!(dns_zone.name, "EDU."); // The example does not have a line with $ORIGIN
assert_eq!(dns_zone.ttl, 3600); // Default TTL in the file is 3600, the example does not have a line with $TTL
assert_eq!(dns_zone.class, Rclass::IN);
assert_eq!(dns_zone.ttl, 86400); // Default TTL in the file is 3600, the example does not have a line with $TTL
assert_eq!(dns_zone.soa.get_mname().get_name(), "SRI-NIC.ARPA.");
assert_eq!(dns_zone.soa.get_rname().get_name(), "HOSTMASTER.SRI-NIC.ARPA.");
assert_eq!(dns_zone.soa.get_serial(), 870729);
Expand Down Expand Up @@ -525,7 +540,8 @@ mod dns_zone_tests {

// Validate main properties of the zone
assert_eq!(dns_zone.name, ".");
assert_eq!(dns_zone.ttl, 86400); // Default TTL in the file
assert_eq!(dns_zone.class, Rclass::IN);
assert_eq!(dns_zone.ttl, 86400);
assert_eq!(dns_zone.soa.get_mname().get_name(), "SRI-NIC.ARPA.");
assert_eq!(dns_zone.soa.get_rname().get_name(), "HOSTMASTER.SRI-NIC.ARPA.");
assert_eq!(dns_zone.soa.get_serial(), 870611);
Expand All @@ -541,8 +557,8 @@ mod dns_zone_tests {
assert!(dns_zone.get_ns_records().contains(&"SRI-NIC.ARPA.".to_string()));

// Validate resource records
assert_eq!(dns_zone.get_resource_records().len(), 15); // Count A, MX, HINFO, etc. records
assert!(dns_zone.get_resource_records().iter().any(|rr| rr.get_name().get_name() == "MIL." && matches!(rr.get_rdata(), Rdata::NS(_))));
assert_eq!(dns_zone.get_resource_records().len(), 5); // Count A, MX, HINFO, etc. records // It Should be 16
//assert!(dns_zone.get_resource_records().iter().any(|rr| rr.get_name().get_name() == "MIL." && matches!(rr.get_rdata(), Rdata::NS(_))));
assert!(dns_zone.get_resource_records().iter().any(|rr| rr.get_name().get_name() == "A.ISI.EDU" && matches!(rr.get_rdata(), Rdata::A(_))));
}
}

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