/*
* Send the messages to the node
*/
static void
send_msgs(int cs, const char *path)
{
u_int i;
for (i = 0; i < msgs->sl_cur; i++)
if (NgSendAsciiMsg(cs, path, "%s", msgs->sl_str[i]) == -1)
err(EX_OSERR, "sending message '%s'", msgs->sl_str[i]);
}
static int
MsgCmd(int ac, char **av)
{
char *buf;
char *path, *cmdstr;
int i, len;
/* Get arguments */
if (ac < 3)
return (CMDRTN_USAGE);
path = av[1];
cmdstr = av[2];
/* Put command and arguments back together as one string */
for (len = 1, i = 3; i < ac; i++)
len += strlen(av[i]) + 1;
if ((buf = malloc(len)) == NULL) {
warn("malloc");
return (CMDRTN_ERROR);
}
for (*buf = '\0', i = 3; i < ac; i++) {
snprintf(buf + strlen(buf),
len - strlen(buf), " %s", av[i]);
}
/* Send it */
if (NgSendAsciiMsg(csock, path, "%s%s", cmdstr, buf) < 0) {
free(buf);
warn("send msg");
return (CMDRTN_ERROR);
}
free(buf);
/* See if a synchronous reply awaits */
{
struct timeval tv;
fd_set rfds;
FD_ZERO(&rfds);
FD_SET(csock, &rfds);
memset(&tv, 0, sizeof(tv));
switch (select(csock + 1, &rfds, NULL, NULL, &tv)) {
case -1:
err(EX_OSERR, "select");
case 0:
break;
default:
MsgRead();
break;
}
}
/* Done */
return (CMDRTN_OK);
}
static int
ng_MessageOut(struct ngdevice *dev, const char *data)
{
char path[NG_PATHSIZ];
char *fmt;
size_t len;
int pos, dpos;
/*
* We expect a node path, one or more spaces, a command, one or more
* spaces and an ascii netgraph structure.
*/
data += strspn(data, " \t");
len = strcspn(data, " \t");
if (len >= sizeof path) {
log_Printf(LogWARN, "%s: %.*s: Node path too long\n",
dev->dev.name, len, data);
return 0;
}
memcpy(path, data, len);
path[len] = '\0';
data += len;
data += strspn(data, " \t");
len = strcspn(data, " \t");
for (pos = len; pos >= 0; pos--)
if (data[pos] == '%')
len++;
if ((fmt = alloca(len + 4)) == NULL) {
log_Printf(LogWARN, "%s: alloca(%d) failure... %s\n",
dev->dev.name, len + 4, strerror(errno));
return 0;
}
/*
* This is probably a waste of time, but we really don't want to end
* up stuffing unexpected % escapes into the kernel....
*/
for (pos = dpos = 0; pos < (int)len;) {
if (data[dpos] == '%')
fmt[pos++] = '%';
fmt[pos++] = data[dpos++];
}
strcpy(fmt + pos, " %s");
data += dpos;
data += strspn(data, " \t");
if (NgSendAsciiMsg(dev->cs, path, fmt, data) < 0) {
log_Printf(LogDEBUG, "%s: NgSendAsciiMsg (to %s): \"%s\", \"%s\": %s\n",
dev->dev.name, path, fmt, data, strerror(errno));
return 0;
}
return 1;
}
