TSIX_SENDTO_MAC(3N)TSIX_SENDTO_MAC(3N)NAMEtsix_sendto_mac - send a message with a specified MAC label
SYNOPSIS
#include <sys/mac.h>
#include <t6net.h>
int tsix_sendto_mac(int fd, const void *msg, int len,
int flags, void *to, int tolen,
mac_t lbl);
DESCRIPTIONtsix_sendto_mac transmits a message to another socket, temporarily
overriding the default MAC label associated with that message with the
MAC label pointed to by lbl. tsix_sendto_mac is otherwise identical to
sendto(2).
CAPABILITIEStsix_sendto_mac requires the same capabilities as its undelying function
t6sendto.
If _SC_CAP is in effect, a process calling this function must have
CAP_MAC_UPGRADE, CAP_MAC_DOWNGRADE, CAP_MAC_RELABEL_OPEN, and CAP_MAC_MLD
capabilities in the permitted vector of its capability set.
RETURN VALUES
If _SC_IP_SECOPTS is not in effect, tsix_sendto_mac always returns
success.
tsix_sendto_mac returns the number of bytes sent, or -1 if an error
occurred.
ERRORS
[EINVAL] Invalid argument.
[ENOSYS] Function not implemented.
[EBADF] An invalid descriptor was specified.
[ENOTSOCK] The argument s is not a socket.
[EFAULT] An invalid user space address was specified for a
parameter.
[EMSGSIZE] The socket requires that message be sent atomically, and
the size of the message to be sent made this impossible.
[EWOULDBLOCK] The socket is marked non-blocking and the requested
operation would block.
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TSIX_SENDTO_MAC(3N)TSIX_SENDTO_MAC(3N)
[ENOBUFS] The system was unable to allocate an internal buffer. The
operation may succeed when buffers become available.
[ECONNREFUSED] The remote port was invalid when using the send call on a
connected datagram socket.
[EISCONN] A sendto or sendmsg call was used on a connected socket.
[EACCES] The requested operation specified a broadcast address as
the destination but the SO_BROADCAST socket option was not
enabled (see setsockopt(2)).
[EHOSTUNREACH] The remote host was unreachable via the network.
[ENETUNREACH] The remote network is unknown to the routing system.
[EHOSTDOWN] The remote host was determined to be down, possibly due to
a failure to resolve its MAC-level address (see arp(7P)).
[EINTR] The operation was interrupted by delivery of a signal
before any data could be buffered to be sent.
[ENOMEM] There was insufficient memory available to complete the
operation.
[ENOSR] There were insufficient STREAMS resources available for
the operation to complete.
SEE ALSOsendto(2), sysconf(3c), tsix_recvfrom_mac(3c), t6sendto(3n)
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