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r11706: Implement dsr_getdcname client code. It's handy: It not only gives you the IP

address but also the fqdn of the remote dc and site info.

Volker
(This used to be commit 62d01ce7e6)
This commit is contained in:
Volker Lendecke 2005-11-13 11:38:17 +00:00 committed by Gerald (Jerry) Carter
parent 789bed878a
commit 32cf16f3cf
5 changed files with 451 additions and 0 deletions

View File

@ -38,6 +38,7 @@
#define NET_LOGON_CTRL2 0x0e
#define NET_SAM_SYNC 0x10
#define NET_TRUST_DOM_LIST 0x13
#define NET_DSR_GETDCNAME 0x14
#define NET_AUTH3 0x1a
/* Secure Channel types. used in NetrServerAuthenticate negotiation */
@ -934,4 +935,37 @@ typedef struct net_r_sam_deltas_info {
NTSTATUS status;
} NET_R_SAM_DELTAS;
/* NET_Q_DSR_GETDCNAME - Ask a DC for a trusted DC name and its address */
typedef struct net_q_dsr_getdcname {
uint32 ptr_server_unc;
UNISTR2 uni_server_unc;
uint32 ptr_domain_name;
UNISTR2 uni_domain_name;
uint32 ptr_domain_guid;
struct uuid *domain_guid;
uint32 ptr_site_guid;
struct uuid *site_guid;
uint32_t flags;
} NET_Q_DSR_GETDCNAME;
/* NET_R_DSR_GETDCNAME - Ask a DC for a trusted DC name and its address */
typedef struct net_r_dsr_getdcname {
uint32 ptr_dc_unc;
UNISTR2 uni_dc_unc;
uint32 ptr_dc_address;
UNISTR2 uni_dc_address;
int32 dc_address_type;
struct uuid domain_guid;
uint32 ptr_domain_name;
UNISTR2 uni_domain_name;
uint32 ptr_forest_name;
UNISTR2 uni_forest_name;
uint32 dc_flags;
uint32 ptr_dc_site_name;
UNISTR2 uni_dc_site_name;
uint32 ptr_client_site_name;
UNISTR2 uni_client_site_name;
WERROR result;
} NET_R_DSR_GETDCNAME;
#endif /* _RPC_NETLOGON_H */

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@ -265,6 +265,34 @@ int rpcstr_pull_unistr2_fstring(char *dest, UNISTR2 *src)
src->uni_str_len * 2, 0);
}
/* Helper function to return a talloc'ed string. I have implemented it with a
* copy because I don't really know how pull_ucs2 and friends calculate the
* target size. If this turns out to be a major bottleneck someone with deeper
* multi-byte knowledge needs to revisit this.
* My (VL) use is dsr_getdcname, which returns 6 strings, the alternative would
* have been to manually talloc_strdup them in rpc_client/cli_netlogon.c.
*/
size_t rpcstr_pull_unistr2_talloc(TALLOC_CTX *mem_ctx, char **dest,
UNISTR2 *src)
{
pstring tmp;
size_t result;
result = pull_ucs2(NULL, tmp, src->buffer, sizeof(tmp),
src->uni_str_len * 2, 0);
if (result < 0) {
return result;
}
*dest = talloc_strdup(mem_ctx, tmp);
if (*dest == NULL) {
return -1;
}
return result;
}
/* Converts a string from internal samba format to unicode
*/

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@ -417,6 +417,129 @@ NTSTATUS rpccli_netlogon_getdcname(struct rpc_pipe_client *cli,
return result;
}
/* Dsr_GetDCName */
WERROR rpccli_netlogon_dsr_getdcname(struct rpc_pipe_client *cli,
TALLOC_CTX *mem_ctx,
const char *server_name,
const char *domain_name,
struct uuid *domain_guid,
struct uuid *site_guid,
uint32_t flags,
char **dc_unc, char **dc_address,
int32 *dc_address_type,
struct uuid *domain_guid_out,
char **domain_name_out,
char **forest_name,
uint32 *dc_flags,
char **dc_site_name,
char **client_site_name)
{
prs_struct qbuf, rbuf;
NET_Q_DSR_GETDCNAME q;
NET_R_DSR_GETDCNAME r;
char *tmp_str;
ZERO_STRUCT(q);
ZERO_STRUCT(r);
/* Initialize input parameters */
tmp_str = talloc_asprintf(mem_ctx, "\\\\%s", server_name);
if (tmp_str == NULL) {
return WERR_NOMEM;
}
init_net_q_dsr_getdcname(&q, tmp_str, domain_name, domain_guid,
site_guid, flags);
/* Marshall data and send request */
CLI_DO_RPC_WERR(cli, mem_ctx, PI_NETLOGON, NET_DSR_GETDCNAME,
q, r,
qbuf, rbuf,
net_io_q_dsr_getdcname,
net_io_r_dsr_getdcname,
WERR_GENERAL_FAILURE);
if (!W_ERROR_IS_OK(r.result)) {
return r.result;
}
if (dc_unc != NULL) {
char *tmp;
if (rpcstr_pull_unistr2_talloc(mem_ctx, &tmp,
&r.uni_dc_unc) < 0) {
return WERR_GENERAL_FAILURE;
}
if (*tmp == '\\') tmp += 1;
if (*tmp == '\\') tmp += 1;
/* We have to talloc_strdup, otherwise a talloc_steal would
fail */
*dc_unc = talloc_strdup(mem_ctx, tmp);
if (*dc_unc == NULL) {
return WERR_NOMEM;
}
}
if (dc_address != NULL) {
char *tmp;
if (rpcstr_pull_unistr2_talloc(mem_ctx, &tmp,
&r.uni_dc_address) < 0) {
return WERR_GENERAL_FAILURE;
}
if (*tmp == '\\') tmp += 1;
if (*tmp == '\\') tmp += 1;
/* We have to talloc_strdup, otherwise a talloc_steal would
fail */
*dc_address = talloc_strdup(mem_ctx, tmp);
if (*dc_address == NULL) {
return WERR_NOMEM;
}
}
if (dc_address_type != NULL) {
*dc_address_type = r.dc_address_type;
}
if (domain_guid_out != NULL) {
*domain_guid_out = r.domain_guid;
}
if ((domain_name_out != NULL) &&
(rpcstr_pull_unistr2_talloc(mem_ctx, domain_name_out,
&r.uni_domain_name) < 1)) {
return WERR_GENERAL_FAILURE;
}
if ((forest_name != NULL) &&
(rpcstr_pull_unistr2_talloc(mem_ctx, forest_name,
&r.uni_forest_name) < 1)) {
return WERR_GENERAL_FAILURE;
}
if (dc_flags != NULL) {
*dc_flags = r.dc_flags;
}
if ((dc_site_name != NULL) &&
(rpcstr_pull_unistr2_talloc(mem_ctx, dc_site_name,
&r.uni_dc_site_name) < 1)) {
return WERR_GENERAL_FAILURE;
}
if ((client_site_name != NULL) &&
(rpcstr_pull_unistr2_talloc(mem_ctx, client_site_name,
&r.uni_client_site_name) < 1)) {
return WERR_GENERAL_FAILURE;
}
return WERR_OK;
}
/* Sam synchronisation */
NTSTATUS rpccli_netlogon_sam_sync(struct rpc_pipe_client *cli, TALLOC_CTX *mem_ctx,

View File

@ -3153,3 +3153,239 @@ BOOL net_io_r_sam_deltas(const char *desc,
return True;
}
/*******************************************************************
Inits a NET_Q_DSR_GETDCNAME structure.
********************************************************************/
void init_net_q_dsr_getdcname(NET_Q_DSR_GETDCNAME *r_t, const char *server_unc,
const char *domain_name,
struct uuid *domain_guid,
struct uuid *site_guid,
uint32_t flags)
{
DEBUG(5, ("init_net_q_dsr_getdcname\n"));
r_t->ptr_server_unc = (server_unc != NULL);
init_unistr2(&r_t->uni_server_unc, server_unc, UNI_STR_TERMINATE);
r_t->ptr_domain_name = (domain_name != NULL);
init_unistr2(&r_t->uni_domain_name, domain_name, UNI_STR_TERMINATE);
r_t->ptr_domain_guid = (domain_guid != NULL);
r_t->domain_guid = domain_guid;
r_t->ptr_site_guid = (site_guid != NULL);
r_t->site_guid = site_guid;
r_t->flags = flags;
}
/*******************************************************************
Reads or writes an NET_Q_DSR_GETDCNAME structure.
********************************************************************/
BOOL net_io_q_dsr_getdcname(const char *desc, NET_Q_DSR_GETDCNAME *r_t,
prs_struct *ps, int depth)
{
if (r_t == NULL)
return False;
prs_debug(ps, depth, desc, "net_io_q_dsr_getdcname");
depth++;
if (!prs_uint32("ptr_server_unc", ps, depth, &r_t->ptr_server_unc))
return False;
if (!smb_io_unistr2("server_unc", &r_t->uni_server_unc,
r_t->ptr_server_unc, ps, depth))
return False;
if (!prs_align(ps))
return False;
if (!prs_uint32("ptr_domain_name", ps, depth, &r_t->ptr_domain_name))
return False;
if (!smb_io_unistr2("domain_name", &r_t->uni_domain_name,
r_t->ptr_domain_name, ps, depth))
return False;
if (!prs_align(ps))
return False;
if (!prs_uint32("ptr_domain_guid", ps, depth, &r_t->ptr_domain_guid))
return False;
if (UNMARSHALLING(ps) && (r_t->ptr_domain_guid)) {
r_t->domain_guid = PRS_ALLOC_MEM(ps, struct uuid, 1);
if (r_t->domain_guid == NULL)
return False;
}
if ((r_t->ptr_domain_guid) &&
(!smb_io_uuid("domain_guid", r_t->domain_guid, ps, depth)))
return False;
if (!prs_align(ps))
return False;
if (!prs_uint32("ptr_site_guid", ps, depth, &r_t->ptr_site_guid))
return False;
if (UNMARSHALLING(ps) && (r_t->ptr_site_guid)) {
r_t->site_guid = PRS_ALLOC_MEM(ps, struct uuid, 1);
if (r_t->site_guid == NULL)
return False;
}
if ((r_t->ptr_site_guid) &&
(!smb_io_uuid("site_guid", r_t->site_guid, ps, depth)))
return False;
if (!prs_align(ps))
return False;
if (!prs_uint32("flags", ps, depth, &r_t->flags))
return False;
return True;
}
/*******************************************************************
Inits a NET_R_DSR_GETDCNAME structure.
********************************************************************/
void init_net_r_dsr_getdcname(NET_R_DSR_GETDCNAME *r_t, const char *dc_unc,
const char *dc_address, int32 dc_address_type,
struct uuid domain_guid, const char *domain_name,
const char *forest_name, uint32 dc_flags,
const char *dc_site_name,
const char *client_site_name)
{
DEBUG(5, ("init_net_q_dsr_getdcname\n"));
r_t->ptr_dc_unc = (dc_unc != NULL);
init_unistr2(&r_t->uni_dc_unc, dc_unc, UNI_STR_TERMINATE);
r_t->ptr_dc_address = (dc_address != NULL);
init_unistr2(&r_t->uni_dc_address, dc_address, UNI_STR_TERMINATE);
r_t->dc_address_type = dc_address_type;
r_t->domain_guid = domain_guid;
r_t->ptr_domain_name = (domain_name != NULL);
init_unistr2(&r_t->uni_domain_name, domain_name, UNI_STR_TERMINATE);
r_t->ptr_forest_name = (forest_name != NULL);
init_unistr2(&r_t->uni_forest_name, forest_name, UNI_STR_TERMINATE);
r_t->dc_flags = dc_flags;
r_t->ptr_dc_site_name = (dc_site_name != NULL);
init_unistr2(&r_t->uni_dc_site_name, dc_site_name, UNI_STR_TERMINATE);
r_t->ptr_client_site_name = (client_site_name != NULL);
init_unistr2(&r_t->uni_client_site_name, client_site_name,
UNI_STR_TERMINATE);
}
/*******************************************************************
Reads or writes an NET_R_DSR_GETDCNAME structure.
********************************************************************/
BOOL net_io_r_dsr_getdcname(const char *desc, NET_R_DSR_GETDCNAME *r_t,
prs_struct *ps, int depth)
{
uint32 info_ptr = 1;
if (r_t == NULL)
return False;
prs_debug(ps, depth, desc, "net_io_r_dsr_getdcname");
depth++;
/* The reply contains *just* an info struct, this is the ptr to it */
if (!prs_uint32("info_ptr", ps, depth, &info_ptr))
return False;
if (info_ptr == 0)
return False;
if (!prs_uint32("ptr_dc_unc", ps, depth, &r_t->ptr_dc_unc))
return False;
if (!prs_uint32("ptr_dc_address", ps, depth, &r_t->ptr_dc_address))
return False;
if (!prs_uint32("dc_address_type", ps, depth, &r_t->dc_address_type))
return False;
if (!smb_io_uuid("domain_guid", &r_t->domain_guid, ps, depth))
return False;
if (!prs_uint32("ptr_domain_name", ps, depth, &r_t->ptr_domain_name))
return False;
if (!prs_uint32("ptr_forest_name", ps, depth, &r_t->ptr_forest_name))
return False;
if (!prs_uint32("dc_flags", ps, depth, &r_t->dc_flags))
return False;
if (!prs_uint32("ptr_dc_site_name", ps, depth, &r_t->ptr_dc_site_name))
return False;
if (!prs_uint32("ptr_client_site_name", ps, depth,
&r_t->ptr_client_site_name))
return False;
if (!prs_align(ps))
return False;
if (!smb_io_unistr2("dc_unc", &r_t->uni_dc_unc,
r_t->ptr_dc_unc, ps, depth))
return False;
if (!prs_align(ps))
return False;
if (!smb_io_unistr2("dc_address", &r_t->uni_dc_address,
r_t->ptr_dc_address, ps, depth))
return False;
if (!prs_align(ps))
return False;
if (!smb_io_unistr2("domain_name", &r_t->uni_domain_name,
r_t->ptr_domain_name, ps, depth))
return False;
if (!prs_align(ps))
return False;
if (!smb_io_unistr2("forest_name", &r_t->uni_forest_name,
r_t->ptr_forest_name, ps, depth))
return False;
if (!prs_align(ps))
return False;
if (!smb_io_unistr2("dc_site_name", &r_t->uni_dc_site_name,
r_t->ptr_dc_site_name, ps, depth))
return False;
if (!prs_align(ps))
return False;
if (!smb_io_unistr2("client_site_name", &r_t->uni_client_site_name,
r_t->ptr_client_site_name, ps, depth))
return False;
if (!prs_align(ps))
return False;
if (!prs_werror("result", ps, depth, &r_t->result))
return False;
return True;
}

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@ -70,6 +70,35 @@ static NTSTATUS cmd_netlogon_getdcname(struct rpc_pipe_client *cli,
return result;
}
static WERROR cmd_netlogon_dsr_getdcname(struct rpc_pipe_client *cli,
TALLOC_CTX *mem_ctx, int argc,
const char **argv)
{
WERROR result;
char *dcname, *dcaddress;
if (argc != 2) {
fprintf(stderr, "Usage: %s domainname\n", argv[0]);
return WERR_OK;
}
result = rpccli_netlogon_dsr_getdcname(
cli, mem_ctx, cli->cli->desthost, argv[1], NULL, NULL,
0x40000000, &dcname, &dcaddress, NULL, NULL, NULL, NULL,
NULL, NULL, NULL);
if (W_ERROR_IS_OK(result)) {
printf("Domain %s's DC is called %s at IP %s\n",
argv[1], dcname, dcaddress);
return WERR_OK;
}
printf("rpccli_netlogon_dsr_getdcname returned %s\n",
nt_errstr(werror_to_ntstatus(result)));
return result;
}
static NTSTATUS cmd_netlogon_logon_ctrl(struct rpc_pipe_client *cli,
TALLOC_CTX *mem_ctx, int argc,
const char **argv)
@ -317,6 +346,7 @@ struct cmd_set netlogon_commands[] = {
{ "logonctrl2", RPC_RTYPE_NTSTATUS, cmd_netlogon_logon_ctrl2, NULL, PI_NETLOGON, NULL, "Logon Control 2", "" },
{ "getdcname", RPC_RTYPE_NTSTATUS, cmd_netlogon_getdcname, NULL, PI_NETLOGON, NULL, "Get trusted DC name", "" },
{ "dsr_getdcname", RPC_RTYPE_WERROR, NULL, cmd_netlogon_dsr_getdcname, PI_NETLOGON, NULL, "Get trusted DC name", "" },
{ "logonctrl", RPC_RTYPE_NTSTATUS, cmd_netlogon_logon_ctrl, NULL, PI_NETLOGON, NULL, "Logon Control", "" },
{ "samsync", RPC_RTYPE_NTSTATUS, cmd_netlogon_sam_sync, NULL, PI_NETLOGON, NULL, "Sam Synchronisation", "" },
{ "samdeltas", RPC_RTYPE_NTSTATUS, cmd_netlogon_sam_deltas, NULL, PI_NETLOGON, NULL, "Query Sam Deltas", "" },