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/* posix */
#include <sys/types.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <fcntl.h>
#include <string.h>
#include <errno.h>
#include <sys/stat.h>
#include <signal.h>
/* socket extensions */
#include <sys/uio.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <sys/un.h>
/* plan 9 */
#include "lib.h"
#include "sys9.h"
#include "priv.h"
int
bind(int fd, void *a, int alen)
{
int n, len, cfd, port;
struct sockaddr *sa;
Rock *r;
char msg[128];
/* assign the address */
r = _sock_findrock(fd, 0);
if(r == 0){
errno = ENOTSOCK;
return -1;
}
sa = (struct sockaddr*)a;
if(sa->sa_family != r->domain){
errno = EAFNOSUPPORT;
return -1;
}
if(alen > sizeof(r->addr)){
errno = ENAMETOOLONG;
return -1;
}
memmove(&r->addr, a, alen);
/* the rest is IP sepecific */
if (r->domain != PF_INET && r->domain != PF_INET6)
return 0;
cfd = open(r->ctl, O_RDWR);
if(cfd < 0){
errno = EBADF;
return -1;
}
port = _sock_inport(&r->addr);
snprintf(msg, sizeof msg, "bind %d", port);
n = write(cfd, msg, strlen(msg));
if(n < 0){
errno = EOPNOTSUPP; /* Improve error reporting!!! */
close(cfd);
return -1;
}
close(cfd);
if(port <= 0)
_sock_ingetaddr(r, &r->addr, 0, "local");
return 0;
}
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