int
process_request (CTL_MSG * msg, struct sockaddr_in *sa_in, CTL_RESPONSE * rp)
{
CTL_MSG *ptr;
if (debug)
{
print_request ("process_request", msg);
}
if (acl_match (msg, sa_in))
{
syslog (LOG_NOTICE, "dropping request: %s@%s",
msg->l_name, inet_ntoa (sa_in->sin_addr));
return 1;
}
rp->vers = TALK_VERSION;
rp->type = msg->type;
rp->id_num = htonl (0);
if (msg->vers != TALK_VERSION)
{
syslog (LOG_ERR, "Bad protocol version %d", msg->vers);
rp->answer = BADVERSION;
return 0;
}
msg->id_num = ntohl (msg->id_num);
msg->addr.sa_family = ntohs (msg->addr.sa_family);
if (msg->addr.sa_family != AF_INET)
{
syslog (LOG_ERR, "Bad address, family %d", msg->addr.sa_family);
rp->answer = BADADDR;
return 0;
}
msg->ctl_addr.sa_family = ntohs (msg->ctl_addr.sa_family);
if (msg->ctl_addr.sa_family != AF_INET)
{
syslog (LOG_WARNING, "Bad control address, family %d",
msg->ctl_addr.sa_family);
rp->answer = BADCTLADDR;
return 0;
}
/* FIXME: compare address and sa_in? */
msg->pid = ntohl (msg->pid);
switch (msg->type)
{
case ANNOUNCE:
do_announce (msg, rp);
break;
case LEAVE_INVITE:
ptr = find_request (msg);
if (ptr)
{
rp->id_num = htonl (ptr->id_num);
rp->answer = SUCCESS;
}
else
insert_table (msg, rp);
break;
case LOOK_UP:
ptr = find_match (msg);
if (ptr)
{
rp->id_num = htonl (ptr->id_num);
rp->addr = ptr->addr;
rp->addr.sa_family = htons (ptr->addr.sa_family);
rp->answer = SUCCESS;
}
else
rp->answer = NOT_HERE;
break;
case DELETE:
rp->answer = delete_invite (msg->id_num);
break;
default:
rp->answer = UNKNOWN_REQUEST;
break;
}
if (debug)
print_response ("process_request response", rp);
return 0;
}
void
process_request(CTL_MSG *mp, CTL_RESPONSE *rp)
{
CTL_MSG *ptr;
char *s;
rp->vers = TALK_VERSION;
rp->type = mp->type;
rp->id_num = htonl(0);
if (mp->vers != TALK_VERSION) {
syslog(LOG_WARNING, "bad protocol version %d", mp->vers);
rp->answer = BADVERSION;
return;
}
mp->id_num = ntohl(mp->id_num);
mp->addr.sa_family = ntohs(mp->addr.sa_family);
if (mp->addr.sa_family != AF_INET) {
syslog(LOG_WARNING, "bad address, family %d",
mp->addr.sa_family);
rp->answer = BADADDR;
return;
}
mp->ctl_addr.sa_family = ntohs(mp->ctl_addr.sa_family);
if (mp->ctl_addr.sa_family != AF_INET) {
syslog(LOG_WARNING, "bad control address, family %d",
mp->ctl_addr.sa_family);
rp->answer = BADCTLADDR;
return;
}
for (s = mp->l_name; *s; s++)
if (!isprint(*s)) {
syslog(LOG_NOTICE, "illegal user name. Aborting");
rp->answer = FAILED;
return;
}
mp->pid = ntohl(mp->pid);
if (debug)
print_request("process_request", mp);
switch (mp->type) {
case ANNOUNCE:
do_announce(mp, rp);
break;
case LEAVE_INVITE:
ptr = find_request(mp);
if (ptr != NULL) {
rp->id_num = htonl(ptr->id_num);
rp->answer = SUCCESS;
} else
insert_table(mp, rp);
break;
case LOOK_UP:
ptr = find_match(mp);
if (ptr != NULL) {
rp->id_num = htonl(ptr->id_num);
rp->addr = ptr->addr;
rp->addr.sa_family = htons(ptr->addr.sa_family);
rp->answer = SUCCESS;
} else
rp->answer = NOT_HERE;
break;
case DELETE:
rp->answer = delete_invite(mp->id_num);
break;
default:
rp->answer = UNKNOWN_REQUEST;
break;
}
if (debug)
print_response("process_request", rp);
}
void
process_request(CTL_MSG *mp, CTL_RESPONSE *rp)
{
CTL_MSG *ptr;
char *s;
rp->vers = TALK_VERSION;
rp->type = mp->type;
rp->id_num = htonl(0);
if (mp->vers != TALK_VERSION) {
syslog(LOG_WARNING, "Bad protocol version %d", mp->vers);
rp->answer = BADVERSION;
return;
}
mp->id_num = ntohl(mp->id_num);
if (ntohs(mp->addr.sa_family) != AF_INET) {
syslog(LOG_WARNING, "Bad address, family %d",
ntohs(mp->addr.sa_family));
rp->answer = BADADDR;
return;
}
if (ntohs(mp->ctl_addr.sa_family) != AF_INET) {
syslog(LOG_WARNING, "Bad control address, family %d",
ntohs(mp->ctl_addr.sa_family));
rp->answer = BADCTLADDR;
return;
}
for (s = mp->l_name; *s; s++)
if (!isprint((unsigned char)*s)) {
syslog(LOG_NOTICE, "Illegal user name. Aborting");
rp->answer = FAILED;
return;
}
if (memcmp(&satosin(&rp->addr)->sin_addr,
&satosin(&mp->ctl_addr)->sin_addr,
sizeof(struct in_addr))) {
char buf1[32], buf2[32];
strlcpy(buf1, inet_ntoa(satosin(&rp->addr)->sin_addr),
sizeof(buf1));
strlcpy(buf2, inet_ntoa(satosin(&mp->ctl_addr)->sin_addr),
sizeof(buf2));
syslog(LOG_WARNING, "addresses are different, %s != %s",
buf1, buf2);
}
rp->addr.sa_family = 0;
mp->pid = ntohl(mp->pid);
if (debug)
print_request("process_request", mp);
switch (mp->type) {
case ANNOUNCE:
do_announce(mp, rp);
break;
case LEAVE_INVITE:
ptr = find_request(mp);
if (ptr != (CTL_MSG *)0) {
rp->id_num = htonl(ptr->id_num);
rp->answer = SUCCESS;
} else
insert_table(mp, rp);
break;
case LOOK_UP:
ptr = find_match(mp);
if (ptr != (CTL_MSG *)0) {
rp->id_num = htonl(ptr->id_num);
rp->addr = ptr->addr;
rp->addr.sa_family = ptr->addr.sa_family;
rp->answer = SUCCESS;
} else
rp->answer = NOT_HERE;
break;
case DELETE:
rp->answer = delete_invite(mp->id_num);
break;
default:
rp->answer = UNKNOWN_REQUEST;
break;
}
if (debug)
print_response("process_request", rp);
}