int
cmd_lookup(int argc, char *argv[])
{
struct nb_ctx *ctx;
struct sockaddr *sap;
char *hostname;
int error, opt;
if (argc < 2)
lookup_usage();
error = nb_ctx_create(&ctx);
if (error) {
smb_error("unable to create nbcontext", error);
exit(1);
}
if (smb_open_rcfile() == 0) {
if (nb_ctx_readrcsection(smb_rc, ctx, "default", 0) != 0)
exit(1);
rc_close(smb_rc);
}
while ((opt = getopt(argc, argv, "w:")) != EOF) {
switch(opt) {
case 'w':
nb_ctx_setns(ctx, optarg);
break;
default:
lookup_usage();
/*NOTREACHED*/
}
}
if (optind >= argc)
lookup_usage();
if (nb_ctx_resolve(ctx) != 0)
exit(1);
hostname = argv[argc - 1];
/* printf("Looking for %s...\n", hostname);*/
error = nbns_resolvename(hostname, ctx, &sap);
if (error) {
smb_error("unable to resolve %s", error, hostname);
exit(1);
}
printf("Got response from %s\n", inet_ntoa(ctx->nb_lastns.sin_addr));
printf("IP address of %s: %s\n", hostname, inet_ntoa(((struct sockaddr_in*)sap)->sin_addr));
return 0;
}
/*
* used level values:
* 0 - default
* 1 - server
*/
int
nb_ctx_readrcsection(struct rcfile *rcfile, struct nb_ctx *ctx,
const char *sname, int level)
{
char *p;
int error;
if (level > 1)
return EINVAL;
rc_getint(rcfile, sname, "nbtimeout", &ctx->nb_timo);
rc_getstringptr(rcfile, sname, "nbns", &p);
if (p) {
error = nb_ctx_setns(ctx, p);
if (error) {
smb_error("invalid address specified in the section %s", 0, sname);
return error;
}
}
rc_getstringptr(rcfile, sname, "nbscope", &p);
if (p)
nb_ctx_setscope(ctx, p);
return 0;
}