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authorJim McDonough <jmcd@samba.org>2003-02-28 03:21:22 +0000
committerJim McDonough <jmcd@samba.org>2003-02-28 03:21:22 +0000
commita001b706bd85f40b2b9096af1ab92b135440f184 (patch)
treea0bb43262a6774da92799e2834f3481f3c8cda4c /source3/utils
parent9f0ae6fad2d0099a58fec389ddd430c0448ec02e (diff)
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Improve net ads lookup:
- More info is printed - (grand)child domains handled properly Thanks to Anthony Liguori (aliguori@us.ibm.com) (This used to be commit 3dbcb4d93f7c192eb2ccea5941a3843b5de1190e)
Diffstat (limited to 'source3/utils')
-rw-r--r--source3/utils/net_ads_cldap.c203
1 files changed, 142 insertions, 61 deletions
diff --git a/source3/utils/net_ads_cldap.c b/source3/utils/net_ads_cldap.c
index f81c763093..d369fbdf50 100644
--- a/source3/utils/net_ads_cldap.c
+++ b/source3/utils/net_ads_cldap.c
@@ -2,6 +2,7 @@
Samba Unix/Linux SMB client library
net ads cldap functions
Copyright (C) 2001 Andrew Tridgell (tridge@samba.org)
+ Copyright (C) 2003 Jim McDonough (jmcd@us.ibm.com)
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -23,60 +24,69 @@
#ifdef HAVE_ADS
+struct netlogon_string {
+ uint32 comp_len;
+ char **component;
+ uint8 extra_flag;
+};
+
struct cldap_netlogon_reply {
- uint32 version;
+ uint32 type;
uint32 flags;
GUID guid;
- char *domain;
- char *server_name;
- char *domain_flatname;
- char *server_flatname;
- char *dns_name;
- uint32 unknown2[2];
-};
+ struct netlogon_string forest;
+ struct netlogon_string domain;
+ struct netlogon_string hostname;
-/*
- pull a length prefixed string from a packet
- return number of bytes consumed
-*/
-static unsigned pull_len_string(char **ret, const char *p)
-{
- unsigned len = *p;
- (*ret) = NULL;
- if (len == 0) return 1;
- (*ret) = smb_xstrndup(p+1, len);
- return len+1;
-}
+ struct netlogon_string netbios_domain;
+ struct netlogon_string netbios_hostname;
+
+ struct netlogon_string user_name;
+ struct netlogon_string site_name;
+
+ struct netlogon_string unk0;
+
+ uint32 version;
+ uint16 lmnt_token;
+ uint16 lm20_token;
+};
/*
- pull a dotted string from a packet
- return number of bytes consumed
+ These strings are rather interesting... They are composed of a series of
+ length encoded strings, terminated by either 1) a zero length string or 2)
+ a 0xc0 byte with what appears to be a one byte flags immediately following.
*/
-static unsigned pull_dotted_string(char **ret, const char *p)
+static unsigned pull_netlogon_string(struct netlogon_string *ret,const char *d)
{
- char *s;
- unsigned len, total_len=0;
+ char *s, *p = (char *)d;
+
+ ZERO_STRUCTP(ret);
- (*ret) = NULL;
+ do {
+ unsigned len = (unsigned char)*p;
+ p++;
- while ((len = pull_len_string(&s, p)) > 1) {
- if (total_len) {
- char *s2;
- asprintf(&s2, "%s.%s", *ret, s);
- SAFE_FREE(*ret);
- (*ret) = s2;
+ if (len > 0 && len != 0xc0) {
+ ret->component = realloc(ret->component,
+ ++ret->comp_len *
+ sizeof(char *));
+
+ ret->component[ret->comp_len - 1] =
+ smb_xstrndup(p, len);
+ p += len;
} else {
- (*ret) = s;
+ if (len == 0xc0) {
+ ret->extra_flag = *p;
+ p++;
+ };
+ break;
}
- total_len += len;
- p += len;
- }
+ } while (1);
- return total_len + 1;
+ return (p - d);
}
-
/*
do a cldap netlogon query
*/
@@ -190,19 +200,25 @@ static int recv_cldap_netlogon(int sock, struct cldap_netlogon_reply *reply)
p = os3.data;
- reply->version = IVAL(p, 0); p += 4;
+ reply->type = IVAL(p, 0); p += 4;
reply->flags = IVAL(p, 0); p += 4;
+
memcpy(&reply->guid.info, p, GUID_SIZE);
p += GUID_SIZE;
- p += pull_dotted_string(&reply->domain, p);
- p += 2; /* 0xc018 - whats this? */
- p += pull_len_string(&reply->server_name, p);
- p += 2; /* 0xc018 - whats this? */
- p += pull_len_string(&reply->domain_flatname, p);
- p += 1;
- p += pull_len_string(&reply->server_flatname, p);
- p += 2;
- p += pull_len_string(&reply->dns_name, p);
+
+ p += pull_netlogon_string(&reply->forest, p);
+ p += pull_netlogon_string(&reply->domain, p);
+ p += pull_netlogon_string(&reply->hostname, p);
+ p += pull_netlogon_string(&reply->netbios_domain, p);
+ p += pull_netlogon_string(&reply->netbios_hostname, p);
+ p += pull_netlogon_string(&reply->user_name, p);
+ p += pull_netlogon_string(&reply->site_name, p);
+
+ p += pull_netlogon_string(&reply->unk0, p);
+
+ reply->version = IVAL(p, 0);
+ reply->lmnt_token = SVAL(p, 4);
+ reply->lm20_token = SVAL(p, 6);
data_blob_free(&os1);
data_blob_free(&os2);
@@ -212,17 +228,50 @@ static int recv_cldap_netlogon(int sock, struct cldap_netlogon_reply *reply)
return 0;
}
+/*
+ free a netlogon string
+*/
+static void netlogon_string_free(struct netlogon_string *str)
+{
+ int i;
+
+ for (i = 0; i < str->comp_len; ++i) {
+ SAFE_FREE(str->component[i]);
+ }
+ SAFE_FREE(str->component);
+}
/*
free a cldap reply packet
*/
static void cldap_reply_free(struct cldap_netlogon_reply *reply)
{
- SAFE_FREE(reply->domain);
- SAFE_FREE(reply->server_name);
- SAFE_FREE(reply->domain_flatname);
- SAFE_FREE(reply->server_flatname);
- SAFE_FREE(reply->dns_name);
+ netlogon_string_free(&reply->forest);
+ netlogon_string_free(&reply->domain);
+ netlogon_string_free(&reply->hostname);
+ netlogon_string_free(&reply->netbios_domain);
+ netlogon_string_free(&reply->netbios_hostname);
+ netlogon_string_free(&reply->user_name);
+ netlogon_string_free(&reply->site_name);
+ netlogon_string_free(&reply->unk0);
+}
+
+static void d_print_netlogon_string(const char *label,
+ struct netlogon_string *str)
+{
+ int i;
+
+ if (str->comp_len) {
+ d_printf("%s", label);
+ if (str->extra_flag) {
+ d_printf("[%d]", str->extra_flag);
+ }
+ d_printf(": ");
+ for (i = 0; i < str->comp_len; ++i) {
+ d_printf("%s%s", (i ? "." : ""), str->component[i]);
+ }
+ d_printf("\n");
+ }
}
/*
@@ -246,7 +295,6 @@ int ads_cldap_netlogon(ADS_STRUCT *ads)
if (ret != 0) {
return ret;
}
-
ret = recv_cldap_netlogon(sock, &reply);
close(sock);
@@ -254,15 +302,48 @@ int ads_cldap_netlogon(ADS_STRUCT *ads)
return -1;
}
- d_printf("Version: 0x%x\n", reply.version);
+ d_printf("Information for Domain Controller: %s\n\n",
+ ads->config.ldap_server_name);
+
+ d_printf("Response Type: 0x%x\n", reply.type);
d_printf("GUID: ");
print_guid(&reply.guid);
- d_printf("Flags: 0x%x\n", reply.flags);
- d_printf("Domain: %s\n", reply.domain);
- d_printf("Server Name: %s\n", reply.server_name);
- d_printf("Flatname: %s\n", reply.domain_flatname);
- d_printf("Server Name2: %s\n", reply.server_flatname);
- d_printf("DNS Name: %s\n", reply.dns_name);
+ d_printf("Flags:\n"
+ "\tIs a PDC: %s\n"
+ "\tIs a GC of the forest: %s\n"
+ "\tIs an LDAP server: %s\n"
+ "\tSupports DS: %s\n"
+ "\tIs running a KDC: %s\n"
+ "\tIs running time services: %s\n"
+ "\tIs the closest DC: %s\n"
+ "\tIs writable: %s\n"
+ "\tHas a hardware clock: %s\n"
+ "\tIs a non-domain NC serviced by LDAP server: %s\n",
+ (reply.flags & ADS_PDC) ? "yes" : "no",
+ (reply.flags & ADS_GC) ? "yes" : "no",
+ (reply.flags & ADS_LDAP) ? "yes" : "no",
+ (reply.flags & ADS_DS) ? "yes" : "no",
+ (reply.flags & ADS_KDC) ? "yes" : "no",
+ (reply.flags & ADS_TIMESERV) ? "yes" : "no",
+ (reply.flags & ADS_CLOSEST) ? "yes" : "no",
+ (reply.flags & ADS_WRITABLE) ? "yes" : "no",
+ (reply.flags & ADS_GOOD_TIMESERV) ? "yes" : "no",
+ (reply.flags & ADS_NDNC) ? "yes" : "no");
+
+ d_print_netlogon_string("Forest", &reply.forest);
+ d_print_netlogon_string("Domain", &reply.domain);
+ d_print_netlogon_string("Hostname", &reply.hostname);
+
+ d_print_netlogon_string("Pre-Win2k Domain", &reply.netbios_domain);
+ d_print_netlogon_string("Pre-Win2k Hostname", &reply.netbios_hostname);
+
+ d_print_netlogon_string("User name", &reply.user_name);
+ d_print_netlogon_string("Site Name", &reply.site_name);
+ d_print_netlogon_string("Unknown Field", &reply.unk0);
+
+ d_printf("NT Version: %d\n", reply.version);
+ d_printf("LMNT Token: %0.2x\n", reply.lmnt_token);
+ d_printf("LM20 Token: %0.2x\n", reply.lm20_token);
cldap_reply_free(&reply);