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authorJim McDonough <jmcd@samba.org>2002-05-15 19:56:13 +0000
committerJim McDonough <jmcd@samba.org>2002-05-15 19:56:13 +0000
commit8bcdb4849baea4753eb74dbf2f49847bc43754e5 (patch)
tree539bfbf7f82cf831a5c6e9da8c3b7a6e89915e0a
parent92245e1ffc25420fef0db29052c388c4408802aa (diff)
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Added ability to lookup ldap server, kdc, dc, and master browser. Please
review especially the methods for finding kdc and ldap server when they're not specified. This is a first attempt... (This used to be commit 5edccb51b94a80bbb3ecd59602393887286c8074)
-rw-r--r--source3/utils/net_lookup.c173
1 files changed, 171 insertions, 2 deletions
diff --git a/source3/utils/net_lookup.c b/source3/utils/net_lookup.c
index 0cc1ff579f..a324f594a1 100644
--- a/source3/utils/net_lookup.c
+++ b/source3/utils/net_lookup.c
@@ -23,8 +23,12 @@
int net_lookup_usage(int argc, const char **argv)
{
d_printf(
-" net lookup host HOSTNAME <type>\n\tgives IP for a hostname\n\n"\
-"\n");
+" net lookup host HOSTNAME <type>\n\tgives IP for a hostname\n\n"
+" net lookup ldap [domain]\n\tgives IP of domain's ldap server\n\n"
+" net lookup kdc [realm]\n\tgives IP of realm's kerberos KDC\n\n"
+" net lookup dc [domain]\n\tgives IP of domains Domain Controllers\n\n"
+" net lookup master [domain|wg]\n\tgive IP of master browser\n\n"
+);
return -1;
}
@@ -48,12 +52,177 @@ static int net_lookup_host(int argc, const char **argv)
return 0;
}
+static void print_ldap_srvlist(char *srvlist)
+{
+ char *cur, *next;
+ struct in_addr ip;
+ BOOL printit;
+
+ cur = srvlist;
+ do {
+ next = strchr(cur,':');
+ if (next) *next++='\0';
+ printit = resolve_name(cur, &ip, 0x20);
+ cur=next;
+ next=cur ? strchr(cur,' ') :NULL;
+ if (next)
+ *next++='\0';
+ if (printit)
+ d_printf("%s:%s\n", inet_ntoa(ip), cur?cur:"");
+ cur = next;
+ } while (next);
+}
+
+
+static int net_lookup_ldap(int argc, const char **argv)
+{
+#ifdef HAVE_LDAP
+ char *srvlist, *domain;
+ int rc, count;
+ struct in_addr *addr;
+ struct hostent *hostent;
+
+ if (argc > 0)
+ domain = argv[0];
+ else
+ domain = opt_target_workgroup;
+
+ DEBUG(9, ("Lookup up ldap for domain %s\n", domain));
+ rc = ldap_domain2hostlist(domain, &srvlist);
+ if ((rc == LDAP_SUCCESS) && srvlist) {
+ print_ldap_srvlist(srvlist);
+ return 0;
+ }
+
+ DEBUG(9, ("Looking up DC for domain %s\n", domain));
+ if (!get_dc_list(True, domain, &addr, &count))
+ return -1;
+
+ hostent = gethostbyaddr((char *) &addr->s_addr, sizeof(addr->s_addr),
+ AF_INET);
+ if (!hostent)
+ return -1;
+
+ DEBUG(9, ("Found DC with DNS name %s\n", hostent->h_name));
+ domain = strchr(hostent->h_name, '.');
+ if (!domain)
+ return -1;
+ domain++;
+
+ DEBUG(9, ("Looking up ldap for domain %s\n", domain));
+ rc = ldap_domain2hostlist(domain, &srvlist);
+ if ((rc == LDAP_SUCCESS) && srvlist) {
+ print_ldap_srvlist(srvlist);
+ return 0;
+ }
+ return -1;
+#endif
+ DEBUG(1,("No LDAP support\n"));
+ return -1;
+}
+
+static int net_lookup_dc(int argc, const char **argv)
+{
+ struct in_addr *ip_list;
+ char *pdc_str = NULL;
+ char *domain=opt_target_workgroup;
+ int count, i;
+
+ if (argc > 0)
+ domain=argv[0];
+
+ /* first get PDC */
+ if (!get_dc_list(True, domain, &ip_list, &count))
+ return -1;
+
+ asprintf(&pdc_str, "%s", inet_ntoa(*ip_list));
+ d_printf("%s\n", pdc_str);
+ if (!get_dc_list(False, domain, &ip_list, &count)) {
+ SAFE_FREE(pdc_str);
+ return 0;
+ }
+ for (i=0;i<count;i++) {
+ char *dc_str = inet_ntoa(ip_list[i]);
+ if (!strequal(pdc_str, dc_str))
+ d_printf("%s\n", dc_str);
+ }
+ SAFE_FREE(pdc_str);
+ return 0;
+}
+
+static int net_lookup_master(int argc, const char **argv)
+{
+ struct in_addr master_ip;
+ char *domain=opt_target_workgroup;
+
+ if (argc > 0)
+ domain=argv[0];
+
+ if (!find_master_ip(domain, &master_ip))
+ return -1;
+ d_printf("%s\n", inet_ntoa(master_ip));
+ return 0;
+}
+
+static int net_lookup_kdc(int argc, const char **argv)
+{
+#ifdef HAVE_KRB5
+ krb5_error_code rc;
+ krb5_context ctx;
+ struct sockaddr_in *addrs;
+ int num_kdcs,i;
+ krb5_data realm;
+ char **realms;
+
+ rc = krb5_init_context(&ctx);
+ if (rc) {
+ DEBUG(1,("krb5_init_context failed (%s)\n",
+ error_message(rc)));
+ return -1;
+ }
+
+ if (argc>0) {
+ realm.data = (krb5_pointer) argv[0];
+ realm.length = strlen(argv[0]);
+ } else if (lp_realm() && *lp_realm()) {
+ realm.data = (krb5_pointer) lp_realm();
+ realm.length = strlen(realm.data);
+ } else {
+ rc = krb5_get_host_realm(ctx, NULL, &realms);
+ if (rc) {
+ DEBUG(1,("krb5_gethost_realm failed (%s)\n",
+ error_message(rc)));
+ return -1;
+ }
+ realm.data = (krb5_pointer) *realms;
+ realm.length = strlen(realm.data);
+ }
+
+ rc = krb5_locate_kdc(ctx, &realm, &addrs, &num_kdcs, 0);
+ if (rc) {
+ DEBUG(1, ("krb5_locate_kdc failed (%s)\n", error_message(rc)));
+ return -1;
+ }
+ for (i=0;i<num_kdcs;i++)
+ if (addrs[i].sin_family == AF_INET)
+ d_printf("%s:%hd\n", inet_ntoa(addrs[i].sin_addr),
+ ntohs(addrs[i].sin_port));
+ return 0;
+
+#endif
+ DEBUG(1, ("No kerberos support\n"));
+ return -1;
+}
/* lookup hosts or IP addresses using internal samba lookup fns */
int net_lookup(int argc, const char **argv)
{
struct functable func[] = {
{"HOST", net_lookup_host},
+ {"LDAP", net_lookup_ldap},
+ {"DC", net_lookup_dc},
+ {"MASTER", net_lookup_master},
+ {"KDC", net_lookup_kdc},
{NULL, NULL}
};