127 lines
3.0 KiB
C
127 lines
3.0 KiB
C
/*
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* libnetwork
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*
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* Install me to /usr/lib/libnetwork.a
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*/
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#include <stdio.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <sys/ioctl.h>
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#include "network.h"
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static struct hostent _out_host = {0};
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static struct in_addr * _out_host_vector[2] = {NULL, NULL};
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static struct in_addr * _out_host_aliases[1] = {NULL};
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static uint32_t _out_addr;
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#define UNIMPLEMENTED fprintf(stderr, "[libnetwork] Unimplemented: %s\n", __FUNCTION__)
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struct hostent * gethostbyname(const char * name) {
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if (_out_host.h_name) free(_out_host.h_name);
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_out_host.h_name = strdup(name);
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int fd = open("/dev/net",O_RDONLY);
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void * args[2] = {(void *)name,&_out_addr};
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int ret = ioctl(fd, 0x5000, args);
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close(fd);
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if (ret) return NULL;
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_out_host_vector[0] = (struct in_addr *)&_out_addr;
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_out_host.h_aliases = (char **)&_out_host_aliases;
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_out_host.h_addrtype = AF_INET;
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_out_host.h_addr_list = (char**)_out_host_vector;
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_out_host.h_length = sizeof(uint32_t);
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return &_out_host;
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}
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int connect(int sockfd, const struct sockaddr *addr, socklen_t addrlen) {
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UNIMPLEMENTED;
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return -1;
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}
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/* All of these should just be reads. */
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ssize_t recv(int sockfd, void *buf, size_t len, int flags) {
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UNIMPLEMENTED;
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return -1;
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}
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ssize_t recvfrom(int sockfd, void *buf, size_t len, int flags, struct sockaddr *src_addr, socklen_t *addrlen) {
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UNIMPLEMENTED;
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return -1;
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}
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ssize_t recvmsg(int sockfd, struct msghdr *msg, int flags) {
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UNIMPLEMENTED;
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return -1;
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}
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ssize_t send(int sockfd, const void *buf, size_t len, int flags) {
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UNIMPLEMENTED;
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return len;
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}
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ssize_t sendto(int sockfd, const void *buf, size_t len, int flags, const struct sockaddr *dest_addr, socklen_t addrlen) {
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UNIMPLEMENTED;
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return len;
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}
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ssize_t sendmsg(int sockfd, const struct msghdr *msg, int flags) {
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UNIMPLEMENTED;
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return -1;
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}
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int socket(int domain, int type, int protocol) {
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UNIMPLEMENTED;
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return -1;
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}
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uint32_t htonl(uint32_t hostlong) {
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return ( (((hostlong) & 0xFF) << 24) | (((hostlong) & 0xFF00) << 8) | (((hostlong) & 0xFF0000) >> 8) | (((hostlong) & 0xFF000000) >> 24));
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}
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uint16_t htons(uint16_t hostshort) {
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return ( (((hostshort) & 0xFF) << 8) | (((hostshort) & 0xFF00) >> 8) );
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}
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uint32_t ntohl(uint32_t netlong) {
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return htonl(netlong);
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}
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uint16_t ntohs(uint16_t netshort) {
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return htons(netshort);
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}
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int bind(int sockfd, const struct sockaddr *addr, socklen_t addrlen) {
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UNIMPLEMENTED;
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return -1;
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}
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int accept(int sockfd, struct sockaddr * addr, socklen_t * addrlen) {
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UNIMPLEMENTED;
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return -1;
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}
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int listen(int sockfd, int backlog) {
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UNIMPLEMENTED;
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return -1;
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}
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int getsockname(int sockfd, struct sockaddr *addr, socklen_t *addrlen) {
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UNIMPLEMENTED;
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return -1;
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}
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int getpeername(int sockfd, struct sockaddr *addr, socklen_t *addrlen) {
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return -1;
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}
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int getsockopt(int sockfd, int level, int optname, void *optval, socklen_t *optlen) {
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UNIMPLEMENTED;
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return -1;
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}
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int setsockopt(int sockfd, int level, int optname, const void *optval, socklen_t optlen) {
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UNIMPLEMENTED;
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return -1;
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}
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