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/* Copyright (C) 2019-2021 Logaev Maxim (turbocat2001), GPLv2 */ |
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#ifndef _SOCKET_H_ |
#define _SOCKET_H_ |
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#include <stddef.h> |
#include <ksys.h> |
#include <errno.h> |
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// Socket Types |
#define SOCK_STREAM 1 |
#define SOCK_DGRAM 2 |
#define SOCK_RAW 3 |
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// IP protocols |
#define IPPROTO_IP 0 |
#define IPPROTO_ICMP 1 |
#define IPPROTO_TCP 6 |
#define IPPROTO_UDP 17 |
#define IPPROTO_RAW 255 |
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// IP options |
#define IP_TTL 2 |
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// Address families |
#define AF_UNSPEC 0 |
#define AF_LOCAL 1 |
#define AF_INET 2 // Default INET=IPv4 |
#define AF_INET4 2 // IPv4 |
#define AF_INET6 10 // IPv6 |
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#define PF_UNSPEC AF_UNSPEC |
#define PF_LOCAL AF_LOCAL |
#define PF_INET4 AF_INET4 |
#define PF_INET6 AF_INET6 |
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// internal definition |
#define AI_SUPPORTED 0x40F |
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// for system function 76 |
#define API_ETH (0<<16) |
#define API_IPv4 (1<<16) |
#define API_ICMP (2<<16) |
#define API_UDP (3<<16) |
#define API_TCP (4<<16) |
#define API_ARP (5<<16) |
#define API_PPPOE (6<<16) |
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// Socket flags for user calls |
#define MSG_NOFLAG 0 |
#define MSG_PEEK 0x02 |
#define MSG_DONTWAIT 0x40 |
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// Socket levels |
#define SOL_SOCKET 0xffff |
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//Socket options |
#define SO_BINDTODEVICE (1<<9) |
#define SO_NONBLOCK (1<<31) |
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#define PORT(X) (X<<8) |
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#pragma pack(push,1) |
struct sockaddr{ |
unsigned short sin_family; |
unsigned short sin_port; |
unsigned int sin_addr; |
unsigned long long sin_zero; |
}; |
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typedef struct{ |
unsigned int level; |
unsigned int optionname; |
unsigned int optlenght; |
unsigned char options; |
}optstruct; |
#pragma pack(pop) |
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static inline |
void _conv_socket_err(){ |
switch(errno){ |
case 1: errno = ENOBUFS; break; |
case 2: errno = EINPROGRESS; break; |
case 4: errno = EOPNOTSUPP; break; |
case 6: errno = EWOULDBLOCK; break; |
case 9: errno = ENOTCONN; break; |
case 10: errno = EALREADY; break; |
case 11: errno = EINVAL; break; |
case 12: errno = EMSGSIZE; break; |
case 18: errno = ENOMEM; break; |
case 20: errno = EADDRINUSE; break; |
case 61: errno = ECONNREFUSED; break; |
case 52: errno = ECONNRESET; break; |
case 56: errno = EISCONN; break; |
case 60: errno = ETIMEDOUT; break; |
case 54: errno = ECONNABORTED; break; |
default: errno = 0; break; |
} |
} |
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static inline |
int socket(int domain, int type, int protocol) |
{ |
int socket; |
asm_inline( |
"int $0x40" |
:"=b"(errno), "=a"(socket) |
:"a"(75), "b"(0), "c"(domain), "d"(type), "S"(protocol) |
); |
_conv_socket_err(); |
return socket; |
} |
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static inline |
int close(int socket) |
{ |
int status; |
asm_inline( |
"int $0x40" |
:"=b"(errno), "=a"(status) |
:"a"(75), "b"(1), "c"(socket) |
); |
_conv_socket_err(); |
return status; |
} |
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static inline |
int bind(int socket, const struct sockaddr *addres, int addres_len) |
{ |
int status; |
asm_inline( |
"int $0x40" |
:"=b"(errno), "=a"(status) |
:"a"(75), "b"(2), "c"(socket), "d"(addres), "S"(addres_len) |
); |
_conv_socket_err(); |
return status; |
} |
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static inline |
int listen(int socket, int backlog) |
{ |
int status; |
asm_inline( |
"int $0x40" |
:"=b"(errno), "=a"(status) |
:"a"(75), "b"(3), "c"(socket), "d"(backlog) |
); |
_conv_socket_err(); |
return status; |
} |
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static inline |
int connect(int socket, const struct sockaddr* address, int socket_len) |
{ |
int status; |
asm_inline( |
"int $0x40" |
:"=b"(errno), "=a"(status) |
:"a"(75), "b"(4), "c"(socket), "d"(address), "S"(socket_len) |
); |
_conv_socket_err(); |
return status; |
} |
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static inline int |
accept(int socket, const struct sockaddr *address, int address_len) |
{ |
int new_socket; |
asm_inline( |
"int $0x40" |
:"=b"(errno), "=a"(new_socket) |
:"a"(75), "b"(5), "c"(socket), "d"(address), "S"(address_len) |
); |
_conv_socket_err(); |
return new_socket; |
} |
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static inline |
int send(int socket, const void *message, size_t msg_len, int flag) |
{ |
int status; |
asm_inline( |
"int $0x40" |
:"=b"(errno), "=a"(status) |
:"a"(75), "b"(6), "c"(socket), "d"(message), "S"(msg_len), "D"(flag) |
); |
_conv_socket_err(); |
return status; |
} |
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static inline |
int recv(int socket, void *buffer, size_t buff_len, int flag) |
{ |
int status; |
asm_inline( |
"int $0x40" |
:"=b"(errno), "=a"(status) |
:"a"(75), "b"(7), "c"(socket), "d"(buffer), "S"(buff_len), "D"(flag) |
); |
_conv_socket_err(); |
return status; |
} |
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static inline |
int setsockopt(int socket,const optstruct* opt) |
{ |
int status; |
asm_inline( |
"int $0x40" |
:"=b"(errno), "=a"(status) |
:"a"(75), "b"(8), "c"(socket),"d"(opt) |
); |
_conv_socket_err(); |
return status; |
} |
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static inline |
int getsockopt(int socket, optstruct* opt) |
{ |
int status; |
asm_inline( |
"int $0x40" |
:"=b"(errno), "=a"(status) |
:"a"(75), "b"(9), "c"(socket),"d"(opt) |
); |
_conv_socket_err(); |
return status; |
} |
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static inline |
int socketpair(int *socket1, int *socket2) |
{ |
asm_inline( |
"int $0x40" |
:"=b"(*socket2), "=a"(*socket1) |
:"a"(75), "b"(10) |
); |
errno=*socket2; |
_conv_socket_err(); |
return *socket1; |
} |
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#endif //_SOCKET_H_ |