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we now parse the cldap reply and print its contents. There are a

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couple of unknown fields we still need to work out.
(This used to be commit 67b4dbd5c9)
This commit is contained in:
Andrew Tridgell 2002-08-19 15:59:14 +00:00
parent 10e7ae7e74
commit e6873a8f7f
1 changed files with 82 additions and 4 deletions
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86
source3/utils/net_ads_cldap.c
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@ -24,9 +24,59 @@
#ifdef HAVE_ADS
struct cldap_netlogon_reply {
uint32 i1;
uint32 version;
uint32 flags;
uint32 unknown[4];
char *domain;
char *server_name;
char *flatname;
char *server_name2;
char *dns_name;
uint32 unknown2[2];
};
/*
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) = strndup(p+1, len);
return len+1;
}
/*
pull a dotted string from a packet
return number of bytes consumed
*/
static unsigned pull_dotted_string(char **ret, const char *p)
{
char *s;
unsigned len, total_len=0;
(*ret) = NULL;
while ((len = pull_len_string(&s, p)) > 1) {
if (total_len) {
char *s2;
asprintf(&s2, "%s.%s", *ret, s);
SAFE_FREE(*ret);
(*ret) = s2;
} else {
(*ret) = s;
}
total_len += len;
p += len;
}
return total_len + 1;
}
/*
do a cldap netlogon query
*/
@ -100,6 +150,9 @@ static int recv_cldap_netlogon(int sock, struct cldap_netlogon_reply *reply)
ASN1_DATA data;
DATA_BLOB blob;
DATA_BLOB os1, os2, os3;
uint32 i1;
char *p;
int i;
blob = data_blob(NULL, 8192);
@ -114,7 +167,7 @@ static int recv_cldap_netlogon(int sock, struct cldap_netlogon_reply *reply)
asn1_load(&data, blob);
asn1_start_tag(&data, ASN1_SEQUENCE(0));
asn1_read_Integer(&data, &reply->i1);
asn1_read_Integer(&data, &i1);
asn1_start_tag(&data, ASN1_APPLICATION(4));
asn1_read_OctetString(&data, &os1);
asn1_start_tag(&data, ASN1_SEQUENCE(0));
@ -129,7 +182,25 @@ static int recv_cldap_netlogon(int sock, struct cldap_netlogon_reply *reply)
asn1_end_tag(&data);
file_save("cldap_reply_core.dat", os3.data, os3.length);
p = os3.data;
reply->version = IVAL(p, 0); p += 4;
reply->flags = IVAL(p, 0); p += 4;
for (i=0;i<4;i++) {
reply->unknown[i] = IVAL(p, 0);
p += 4;
}
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->flatname, p);
p += 1;
p += pull_len_string(&reply->server_name2, p);
p += 2;
p += pull_len_string(&reply->dns_name, p);
data_blob_free(&os1);
data_blob_free(&os2);
data_blob_free(&os3);
@ -163,8 +234,15 @@ int ads_cldap_netlogon(ADS_STRUCT *ads)
}
ret = recv_cldap_netlogon(sock, &reply);
close(sock);
d_printf("Version: 0x%x\n", reply.version);
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.flatname);
d_printf("Server Name2: %s\n", reply.server_name2);
d_printf("DNS Name: %s\n", reply.dns_name);
return ret;
}