feat: Massive OS expansion with IPC, Sound & TTS, Block layer, FAT32/ext2/sysfs, Signals, Syscalls, Modules, Drivers & 50+ LazyBox applets

include/net/dhcp.h

@@ -0,0 +1,10 @@
+#ifndef _NET_DHCP_H
+#define _NET_DHCP_H
+
+#include <stdint.h>
+#include <stdbool.h>
+
+void dhcp_init(void);
+int  dhcp_request_lease(void);
+
+#endif // _NET_DHCP_H

include/net/dns.h

@@ -0,0 +1,9 @@
+#ifndef _NET_DNS_H
+#define _NET_DNS_H
+
+#include <stdint.h>
+
+void dns_init(void);
+uint32_t dns_resolve(const char* hostname);
+
+#endif // _NET_DNS_H

include/net/socket.h

@@ -0,0 +1,46 @@
+#ifndef _NET_SOCKET_H
+#define _NET_SOCKET_H
+
+#include <stdint.h>
+#include <stddef.h>
+#include <stdbool.h>
+#include <kernel/types.h>
+
+#define AF_INET     2
+#define SOCK_STREAM 1
+#define SOCK_DGRAM  2
+#define SOCK_RAW    3
+
+#define IPPROTO_IP   0
+#define IPPROTO_ICMP 1
+#define IPPROTO_TCP  6
+#define IPPROTO_UDP  17
+
+typedef struct sockaddr_in {
+    uint16_t sin_family;
+    uint16_t sin_port;
+    uint32_t sin_addr;
+    char     sin_zero[8];
+} sockaddr_in_t;
+
+typedef struct socket {
+    int domain;
+    int type;
+    int protocol;
+    uint32_t local_ip;
+    uint16_t local_port;
+    uint32_t remote_ip;
+    uint16_t remote_port;
+    int state;
+    bool in_use;
+} socket_t;
+
+void socket_subsystem_init(void);
+int sys_socket(int domain, int type, int protocol);
+int sys_bind(int sockfd, const struct sockaddr_in* addr, size_t addrlen);
+int sys_connect(int sockfd, const struct sockaddr_in* addr, size_t addrlen);
+ssize_t sys_send(int sockfd, const void* buf, size_t len, int flags);
+ssize_t sys_recv(int sockfd, void* buf, size_t len, int flags);
+int sys_close_socket(int sockfd);
+
+#endif // _NET_SOCKET_H

include/net/tcp.h

@@ -0,0 +1,33 @@
+#ifndef _NET_TCP_H
+#define _NET_TCP_H
+
+#include <net/net.h>
+
+#define TCP_STATE_CLOSED      0
+#define TCP_STATE_LISTEN      1
+#define TCP_STATE_SYN_SENT    2
+#define TCP_STATE_SYN_RCVD    3
+#define TCP_STATE_ESTABLISHED 4
+#define TCP_STATE_FIN_WAIT1   5
+#define TCP_STATE_FIN_WAIT2   6
+#define TCP_STATE_CLOSE_WAIT  7
+#define TCP_STATE_CLOSING     8
+#define TCP_STATE_LAST_ACK    9
+#define TCP_STATE_TIME_WAIT   10
+
+typedef struct {
+    uint16_t src_port;
+    uint16_t dst_port;
+    uint32_t seq_num;
+    uint32_t ack_num;
+    uint8_t  data_offset_reserved;
+    uint8_t  flags;
+    uint16_t window_size;
+    uint16_t checksum;
+    uint16_t urgent_pointer;
+} __attribute__((packed)) tcp_header_t;
+
+void tcp_init(void);
+void tcp_receive(const uint8_t* packet, uint16_t length, uint32_t src_ip);
+
+#endif // _NET_TCP_H

include/net/udp.h

@@ -0,0 +1,10 @@
+#ifndef _NET_UDP_H
+#define _NET_UDP_H
+
+#include <net/net.h>
+
+void udp_init(void);
+void udp_receive(const uint8_t* packet, uint16_t length, uint32_t src_ip);
+void udp_send(uint32_t dst_ip, uint16_t src_port, uint16_t dst_port, const void* data, uint16_t len);
+
+#endif // _NET_UDP_H