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(do_request): use sendmsg to send the reply

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@15233 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Love Hörnquist Åstrand
2005-05-24 18:32:16 +00:00
parent 80de21fbbe
commit d7c30f7c50
1 changed files with 23 additions and 9 deletions
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32
kcm/connect.c
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@@ -324,22 +324,36 @@ do_request(void *buf, size_t len, struct descr *d)
ret = process_request(buf, len, &reply, &d->peercred);
if (reply.length != 0) {
unsigned char len[4];
struct msghdr msghdr;
struct iovec iov[2];
kcm_log(5, "sending %lu bytes to process %d", (unsigned long)reply.length,
d->peercred.pid);
kcm_log(5, "sending %lu bytes to process %d",
(unsigned long)reply.length,
(int)d->peercred.pid);
memset (&msghdr, 0, sizeof(msghdr));
msghdr.msg_name = d->sa;
msghdr.msg_namelen = d->sock_len;
msghdr.msg_iov = iov;
msghdr.msg_iovlen = sizeof(iov)/sizeof(*iov);
#if 0
msghdr.msg_control = NULL;
msghdr.msg_controllen = 0;
#endif
len[0] = (reply.length >> 24) & 0xff;
len[1] = (reply.length >> 16) & 0xff;
len[2] = (reply.length >> 8) & 0xff;
len[3] = reply.length & 0xff;
if (sendto(d->s, len, sizeof(len), 0, NULL, 0) < 0) {
kcm_log (0, "sendto(%d): %d %s", d->peercred.pid, strerror(errno));
krb5_data_free(&reply);
return;
}
if (sendto(d->s, reply.data, reply.length, 0, NULL, 0) < 0) {
kcm_log (0, "sendto(%d): %s", d->peercred.pid, strerror(errno));
iov[0].iov_base = len;
iov[0].iov_len = 4;
iov[1].iov_base = reply.data;
iov[1].iov_len = reply.length;
if (sendmsg (d->s, &msghdr, 0) < 0) {
kcm_log (0, "sendmsg(%d): %d %s", (int)d->peercred.pid,
strerror(errno));
krb5_data_free(&reply);
return;
}