4f294c247f
This patch mainly copies and modifies files existing in the current libc implementing minix specific functions. To keep consisten with the NetBSD libc, we remove namespace stubs and we use "namespace.h" and weak links.
138 lines
2.7 KiB
C
138 lines
2.7 KiB
C
#include <sys/cdefs.h>
|
|
#include "namespace.h"
|
|
|
|
#undef NDEBUG
|
|
|
|
#include <errno.h>
|
|
#include <stdlib.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/ioc_net.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/types.h>
|
|
#include <sys/un.h>
|
|
|
|
#define DEBUG 0
|
|
|
|
static ssize_t _uds_sendmsg_conn(int sock, const struct msghdr *msg,
|
|
int flags);
|
|
static ssize_t _uds_sendmsg_dgram(int sock, const struct msghdr *msg,
|
|
int flags);
|
|
|
|
ssize_t sendmsg(int sock, const struct msghdr *msg, int flags)
|
|
{
|
|
int r;
|
|
int uds_sotype;
|
|
|
|
if (msg == NULL) {
|
|
errno= EFAULT;
|
|
return -1;
|
|
}
|
|
|
|
r= ioctl(sock, NWIOGUDSSOTYPE, &uds_sotype);
|
|
if (r != -1 || (errno != ENOTTY && errno != EBADIOCTL)) {
|
|
if (r == -1) {
|
|
return r;
|
|
}
|
|
|
|
if (uds_sotype == SOCK_DGRAM) {
|
|
return _uds_sendmsg_dgram(sock, msg, flags);
|
|
} else {
|
|
return _uds_sendmsg_conn(sock, msg, flags);
|
|
}
|
|
|
|
}
|
|
|
|
#if DEBUG
|
|
fprintf(stderr, "sendmsg: not implemented for fd %d\n", sock);
|
|
#endif
|
|
|
|
errno= ENOSYS;
|
|
return -1;
|
|
}
|
|
|
|
static ssize_t _uds_sendmsg_conn(int sock, const struct msghdr *msg,
|
|
int flags)
|
|
{
|
|
struct msg_control msg_ctrl;
|
|
int r;
|
|
|
|
if (flags != 0) {
|
|
#if DEBUG
|
|
fprintf(stderr, "sendmsg(uds): flags not implemented\n");
|
|
#endif
|
|
errno= ENOSYS;
|
|
return -1;
|
|
|
|
}
|
|
|
|
/* grab the control data */
|
|
memset(&msg_ctrl, '\0', sizeof(struct msg_control));
|
|
if (msg->msg_controllen > MSG_CONTROL_MAX) {
|
|
errno = ENOMEM;
|
|
return -1;
|
|
} else if (msg->msg_controllen > 0) {
|
|
memcpy(&msg_ctrl.msg_control, msg->msg_control,
|
|
msg->msg_controllen);
|
|
}
|
|
msg_ctrl.msg_controllen = msg->msg_controllen;
|
|
|
|
/* send the control data to PFS */
|
|
r= ioctl(sock, NWIOSUDSCTRL, (void *) &msg_ctrl);
|
|
if (r == -1) {
|
|
return r;
|
|
}
|
|
|
|
/* Silently ignore destination, if given. */
|
|
|
|
return writev(sock, msg->msg_iov, msg->msg_iovlen);
|
|
}
|
|
|
|
static ssize_t _uds_sendmsg_dgram(int sock, const struct msghdr *msg,
|
|
int flags)
|
|
{
|
|
struct msg_control msg_ctrl;
|
|
struct sockaddr_un *dest_addr;
|
|
int i, r;
|
|
|
|
if (flags != 0) {
|
|
#if DEBUG
|
|
fprintf(stderr, "sendmsg(uds): flags not implemented\n");
|
|
#endif
|
|
errno= ENOSYS;
|
|
return -1;
|
|
|
|
}
|
|
|
|
dest_addr = msg->msg_name;
|
|
if (dest_addr == NULL) {
|
|
errno= EFAULT;
|
|
return -1;
|
|
}
|
|
|
|
/* set the target address */
|
|
r= ioctl(sock, NWIOSUDSTADDR, (void *) dest_addr);
|
|
if (r == -1) {
|
|
return r;
|
|
}
|
|
|
|
/* grab the control data */
|
|
memset(&msg_ctrl, '\0', sizeof(struct msg_control));
|
|
if (msg->msg_controllen > MSG_CONTROL_MAX) {
|
|
errno = ENOMEM;
|
|
return -1;
|
|
} else if (msg->msg_controllen > 0) {
|
|
memcpy(&msg_ctrl.msg_control, msg->msg_control,
|
|
msg->msg_controllen);
|
|
}
|
|
msg_ctrl.msg_controllen = msg->msg_controllen;
|
|
|
|
/* send the control data to PFS */
|
|
r= ioctl(sock, NWIOSUDSCTRL, (void *) &msg_ctrl);
|
|
if (r == -1) {
|
|
return r;
|
|
}
|
|
|
|
/* do the send */
|
|
return writev(sock, msg->msg_iov, msg->msg_iovlen);
|
|
}
|