diff options
Diffstat (limited to 'source3/utils/net_lookup.c')
| -rw-r--r-- | source3/utils/net_lookup.c | 173 |
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} }; |