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Diffstat (limited to 'source3/rpc_server/srv_pipe.c')
-rw-r--r--source3/rpc_server/srv_pipe.c174
1 files changed, 68 insertions, 106 deletions
diff --git a/source3/rpc_server/srv_pipe.c b/source3/rpc_server/srv_pipe.c
index 27a7aaeaf4..fc08d56b1e 100644
--- a/source3/rpc_server/srv_pipe.c
+++ b/source3/rpc_server/srv_pipe.c
@@ -41,6 +41,8 @@
#include "smbd/smbd.h"
#include "auth.h"
#include "ntdomain.h"
+#include "rpc_server/srv_pipe.h"
+#include "rpc_server/rpc_contexts.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_RPC_SRV
@@ -330,23 +332,30 @@ bool setup_fault_pdu(struct pipes_struct *p, NTSTATUS fault_status)
static bool check_bind_req(struct pipes_struct *p,
struct ndr_syntax_id* abstract,
struct ndr_syntax_id* transfer,
- uint32 context_id)
+ uint32_t context_id)
{
struct pipe_rpc_fns *context_fns;
+ bool ok;
DEBUG(3,("check_bind_req for %s\n",
- get_pipe_name_from_syntax(talloc_tos(), &p->syntax)));
+ get_pipe_name_from_syntax(talloc_tos(), abstract)));
/* we have to check all now since win2k introduced a new UUID on the lsaprpc pipe */
if (rpc_srv_pipe_exists_by_id(abstract) &&
ndr_syntax_id_equal(transfer, &ndr_transfer_syntax)) {
- DEBUG(3, ("check_bind_req: \\PIPE\\%s -> \\PIPE\\%s\n",
- rpc_srv_get_pipe_cli_name(abstract),
- rpc_srv_get_pipe_srv_name(abstract)));
+ DEBUG(3, ("check_bind_req: %s -> %s rpc service\n",
+ rpc_srv_get_pipe_cli_name(abstract),
+ rpc_srv_get_pipe_srv_name(abstract)));
} else {
return false;
}
+ ok = init_pipe_handles(p, abstract);
+ if (!ok) {
+ DEBUG(1, ("Failed to init pipe handles!\n"));
+ return false;
+ }
+
context_fns = SMB_MALLOC_P(struct pipe_rpc_fns);
if (context_fns == NULL) {
DEBUG(0,("check_bind_req: malloc() failed!\n"));
@@ -357,6 +366,7 @@ static bool check_bind_req(struct pipes_struct *p,
context_fns->n_cmds = rpc_srv_get_pipe_num_cmds(abstract);
context_fns->cmds = rpc_srv_get_pipe_cmds(abstract);
context_fns->context_id = context_id;
+ context_fns->syntax = *abstract;
/* add to the list of open contexts */
@@ -615,14 +625,12 @@ static bool pipe_ntlmssp_verify_final(TALLOC_CTX *mem_ctx,
struct auth_ntlmssp_state *ntlmssp_ctx,
enum dcerpc_AuthLevel auth_level,
struct client_address *client_id,
- struct ndr_syntax_id *syntax,
struct auth_serversupplied_info **session_info)
{
NTSTATUS status;
bool ret;
- DEBUG(5, (__location__ ": pipe %s checking user details\n",
- get_pipe_name_from_syntax(talloc_tos(), syntax)));
+ DEBUG(5, (__location__ ": checking user details\n"));
/* Finally - if the pipe negotiated integrity (sign) or privacy (seal)
ensure the underlying NTLMSSP flags are also set. If not we should
@@ -635,8 +643,7 @@ static bool pipe_ntlmssp_verify_final(TALLOC_CTX *mem_ctx,
DCERPC_AUTH_LEVEL_PRIVACY));
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0, (__location__ ": Client failed to negotatie proper "
- "security for pipe %s\n",
- get_pipe_name_from_syntax(talloc_tos(), syntax)));
+ "security for rpc connection\n"));
return false;
}
@@ -767,7 +774,7 @@ static NTSTATUS pipe_auth_verify_final(struct pipes_struct *p)
struct auth_ntlmssp_state);
if (!pipe_ntlmssp_verify_final(p, ntlmssp_ctx,
p->auth.auth_level,
- p->client_id, &p->syntax,
+ p->client_id,
&p->session_info)) {
return NT_STATUS_ACCESS_DENIED;
}
@@ -813,7 +820,6 @@ static NTSTATUS pipe_auth_verify_final(struct pipes_struct *p)
if (!pipe_ntlmssp_verify_final(p, ntlmssp_ctx,
p->auth.auth_level,
p->client_id,
- &p->syntax,
&p->session_info)) {
return NT_STATUS_ACCESS_DENIED;
}
@@ -854,9 +860,7 @@ static bool api_pipe_bind_req(struct pipes_struct *p,
/* No rebinds on a bound pipe - use alter context. */
if (p->pipe_bound) {
- DEBUG(2,("api_pipe_bind_req: rejecting bind request on bound "
- "pipe %s.\n",
- get_pipe_name_from_syntax(talloc_tos(), &p->syntax)));
+ DEBUG(2,("Rejecting bind request on bound rpc connection\n"));
return setup_bind_nak(p, pkt);
}
@@ -871,38 +875,35 @@ static bool api_pipe_bind_req(struct pipes_struct *p,
*/
id = pkt->u.bind.ctx_list[0].abstract_syntax;
if (rpc_srv_pipe_exists_by_id(&id)) {
- DEBUG(3, ("api_pipe_bind_req: \\PIPE\\%s -> \\PIPE\\%s\n",
- rpc_srv_get_pipe_cli_name(&id),
- rpc_srv_get_pipe_srv_name(&id)));
+ DEBUG(3, ("api_pipe_bind_req: %s -> %s rpc service\n",
+ rpc_srv_get_pipe_cli_name(&id),
+ rpc_srv_get_pipe_srv_name(&id)));
} else {
status = smb_probe_module(
"rpc", get_pipe_name_from_syntax(
talloc_tos(),
- &pkt->u.bind.ctx_list[0].abstract_syntax));
+ &id));
if (NT_STATUS_IS_ERR(status)) {
- DEBUG(3,("api_pipe_bind_req: Unknown pipe name %s in bind request.\n",
- get_pipe_name_from_syntax(
- talloc_tos(),
- &pkt->u.bind.ctx_list[0].abstract_syntax)));
+ DEBUG(3,("api_pipe_bind_req: Unknown rpc service name "
+ "%s in bind request.\n",
+ get_pipe_name_from_syntax(talloc_tos(), &id)));
return setup_bind_nak(p, pkt);
}
if (rpc_srv_get_pipe_interface_by_cli_name(
get_pipe_name_from_syntax(talloc_tos(),
- &p->syntax),
+ &id),
&id)) {
- DEBUG(3, ("api_pipe_bind_req: \\PIPE\\%s -> \\PIPE\\%s\n",
- rpc_srv_get_pipe_cli_name(&id),
- rpc_srv_get_pipe_srv_name(&id)));
+ DEBUG(3, ("api_pipe_bind_req: %s -> %s rpc service\n",
+ rpc_srv_get_pipe_cli_name(&id),
+ rpc_srv_get_pipe_srv_name(&id)));
} else {
DEBUG(0, ("module %s doesn't provide functions for "
"pipe %s!\n",
- get_pipe_name_from_syntax(talloc_tos(),
- &p->syntax),
- get_pipe_name_from_syntax(talloc_tos(),
- &p->syntax)));
+ get_pipe_name_from_syntax(talloc_tos(), &id),
+ get_pipe_name_from_syntax(talloc_tos(), &id)));
return setup_bind_nak(p, pkt);
}
}
@@ -1507,28 +1508,9 @@ static bool api_pipe_alter_context(struct pipes_struct *p,
return setup_bind_nak(p, pkt);
}
-/****************************************************************************
- Find the set of RPC functions associated with this context_id
-****************************************************************************/
-
-static PIPE_RPC_FNS* find_pipe_fns_by_context( PIPE_RPC_FNS *list, uint32 context_id )
-{
- PIPE_RPC_FNS *fns = NULL;
-
- if ( !list ) {
- DEBUG(0,("find_pipe_fns_by_context: ERROR! No context list for pipe!\n"));
- return NULL;
- }
-
- for (fns=list; fns; fns=fns->next ) {
- if ( fns->context_id == context_id )
- return fns;
- }
- return NULL;
-}
-
static bool api_rpcTNP(struct pipes_struct *p, struct ncacn_packet *pkt,
- const struct api_struct *api_rpc_cmds, int n_cmds);
+ const struct api_struct *api_rpc_cmds, int n_cmds,
+ const struct ndr_syntax_id *syntax);
/****************************************************************************
Find the correct RPC function to call for this request.
@@ -1547,16 +1529,13 @@ static bool api_pipe_request(struct pipes_struct *p,
((p->auth.auth_type == DCERPC_AUTH_TYPE_NTLMSSP) ||
(p->auth.auth_type == DCERPC_AUTH_TYPE_KRB5) ||
(p->auth.auth_type == DCERPC_AUTH_TYPE_SPNEGO))) {
- if(!become_authenticated_pipe_user(p)) {
+ if(!become_authenticated_pipe_user(p->session_info)) {
data_blob_free(&p->out_data.rdata);
return False;
}
changed_user = True;
}
- DEBUG(5, ("Requested \\PIPE\\%s\n",
- get_pipe_name_from_syntax(talloc_tos(), &p->syntax)));
-
/* get the set of RPC functions for this context */
pipe_fns = find_pipe_fns_by_context(p->contexts,
@@ -1564,15 +1543,19 @@ static bool api_pipe_request(struct pipes_struct *p,
if ( pipe_fns ) {
TALLOC_CTX *frame = talloc_stackframe();
- ret = api_rpcTNP(p, pkt, pipe_fns->cmds, pipe_fns->n_cmds);
+
+ DEBUG(5, ("Requested %s rpc service\n",
+ get_pipe_name_from_syntax(talloc_tos(), &pipe_fns->syntax)));
+
+ ret = api_rpcTNP(p, pkt, pipe_fns->cmds, pipe_fns->n_cmds,
+ &pipe_fns->syntax);
+
TALLOC_FREE(frame);
}
else {
DEBUG(0, ("No rpc function table associated with context "
- "[%d] on pipe [%s]\n",
- pkt->u.request.context_id,
- get_pipe_name_from_syntax(talloc_tos(),
- &p->syntax)));
+ "[%d]\n",
+ pkt->u.request.context_id));
}
if (changed_user) {
@@ -1587,20 +1570,21 @@ static bool api_pipe_request(struct pipes_struct *p,
********************************************************************/
static bool api_rpcTNP(struct pipes_struct *p, struct ncacn_packet *pkt,
- const struct api_struct *api_rpc_cmds, int n_cmds)
+ const struct api_struct *api_rpc_cmds, int n_cmds,
+ const struct ndr_syntax_id *syntax)
{
int fn_num;
uint32_t offset1;
/* interpret the command */
DEBUG(4,("api_rpcTNP: %s op 0x%x - ",
- get_pipe_name_from_syntax(talloc_tos(), &p->syntax),
+ get_pipe_name_from_syntax(talloc_tos(), syntax),
pkt->u.request.opnum));
if (DEBUGLEVEL >= 50) {
fstring name;
slprintf(name, sizeof(name)-1, "in_%s",
- get_pipe_name_from_syntax(talloc_tos(), &p->syntax));
+ get_pipe_name_from_syntax(talloc_tos(), syntax));
dump_pdu_region(name, pkt->u.request.opnum,
&p->in_data.data, 0,
p->in_data.data.length);
@@ -1633,7 +1617,7 @@ static bool api_rpcTNP(struct pipes_struct *p, struct ncacn_packet *pkt,
/* do the actual command */
if(!api_rpc_cmds[fn_num].fn(p)) {
DEBUG(0,("api_rpcTNP: %s: %s failed.\n",
- get_pipe_name_from_syntax(talloc_tos(), &p->syntax),
+ get_pipe_name_from_syntax(talloc_tos(), syntax),
api_rpc_cmds[fn_num].name));
data_blob_free(&p->out_data.rdata);
return False;
@@ -1656,14 +1640,14 @@ static bool api_rpcTNP(struct pipes_struct *p, struct ncacn_packet *pkt,
if (DEBUGLEVEL >= 50) {
fstring name;
slprintf(name, sizeof(name)-1, "out_%s",
- get_pipe_name_from_syntax(talloc_tos(), &p->syntax));
+ get_pipe_name_from_syntax(talloc_tos(), syntax));
dump_pdu_region(name, pkt->u.request.opnum,
&p->out_data.rdata, offset1,
p->out_data.rdata.length);
}
DEBUG(5,("api_rpcTNP: called %s successfully\n",
- get_pipe_name_from_syntax(talloc_tos(), &p->syntax)));
+ get_pipe_name_from_syntax(talloc_tos(), syntax)));
/* Check for buffer underflow in rpc parsing */
if ((DEBUGLEVEL >= 10) &&
@@ -1706,8 +1690,8 @@ void set_incoming_fault(struct pipes_struct *p)
p->in_data.pdu_needed_len = 0;
p->in_data.pdu.length = 0;
p->fault_state = True;
- DEBUG(10, ("set_incoming_fault: Setting fault state on pipe %s\n",
- get_pipe_name_from_syntax(talloc_tos(), &p->syntax)));
+
+ DEBUG(10, ("Setting fault state\n"));
}
static NTSTATUS dcesrv_auth_request(struct pipe_auth_data *auth,
@@ -1841,8 +1825,7 @@ void process_complete_pdu(struct pipes_struct *p)
bool reply = False;
if(p->fault_state) {
- DEBUG(10,("process_complete_pdu: pipe %s in fault state.\n",
- get_pipe_name_from_syntax(talloc_tos(), &p->syntax)));
+ DEBUG(10,("RPC connection in fault state.\n"));
goto done;
}
@@ -1874,7 +1857,7 @@ void process_complete_pdu(struct pipes_struct *p)
/* Store the call_id */
p->call_id = pkt->call_id;
- DEBUG(10, ("Processing packet type %d\n", (int)pkt->ptype));
+ DEBUG(10, ("Processing packet type %u\n", (unsigned int)pkt->ptype));
switch (pkt->ptype) {
case DCERPC_PKT_REQUEST:
@@ -1882,19 +1865,12 @@ void process_complete_pdu(struct pipes_struct *p)
break;
case DCERPC_PKT_PING: /* CL request - ignore... */
- DEBUG(0, ("process_complete_pdu: Error. "
- "Connectionless packet type %d received on "
- "pipe %s.\n", (int)pkt->ptype,
- get_pipe_name_from_syntax(talloc_tos(),
- &p->syntax)));
+ DEBUG(0, ("Error - Connectionless packet type %u received\n",
+ (unsigned int)pkt->ptype));
break;
case DCERPC_PKT_RESPONSE: /* No responses here. */
- DEBUG(0, ("process_complete_pdu: Error. "
- "DCERPC_PKT_RESPONSE received from client "
- "on pipe %s.\n",
- get_pipe_name_from_syntax(talloc_tos(),
- &p->syntax)));
+ DEBUG(0, ("Error - DCERPC_PKT_RESPONSE received from client"));
break;
case DCERPC_PKT_FAULT:
@@ -1907,11 +1883,8 @@ void process_complete_pdu(struct pipes_struct *p)
case DCERPC_PKT_CL_CANCEL:
case DCERPC_PKT_FACK:
case DCERPC_PKT_CANCEL_ACK:
- DEBUG(0, ("process_complete_pdu: Error. "
- "Connectionless packet type %u received on "
- "pipe %s.\n", (unsigned int)pkt->ptype,
- get_pipe_name_from_syntax(talloc_tos(),
- &p->syntax)));
+ DEBUG(0, ("Error - Connectionless packet type %u received\n",
+ (unsigned int)pkt->ptype));
break;
case DCERPC_PKT_BIND:
@@ -1925,12 +1898,9 @@ void process_complete_pdu(struct pipes_struct *p)
case DCERPC_PKT_BIND_ACK:
case DCERPC_PKT_BIND_NAK:
- DEBUG(0, ("process_complete_pdu: Error. "
- "DCERPC_PKT_BINDACK/DCERPC_PKT_BINDNACK "
- "packet type %u received on pipe %s.\n",
- (unsigned int)pkt->ptype,
- get_pipe_name_from_syntax(talloc_tos(),
- &p->syntax)));
+ DEBUG(0, ("Error - DCERPC_PKT_BINDACK/DCERPC_PKT_BINDNACK "
+ "packet type %u received.\n",
+ (unsigned int)pkt->ptype));
break;
@@ -1944,11 +1914,8 @@ void process_complete_pdu(struct pipes_struct *p)
break;
case DCERPC_PKT_ALTER_RESP:
- DEBUG(0, ("process_complete_pdu: Error. "
- "DCERPC_PKT_ALTER_RESP on pipe %s: "
- "Should only be server -> client.\n",
- get_pipe_name_from_syntax(talloc_tos(),
- &p->syntax)));
+ DEBUG(0, ("Error - DCERPC_PKT_ALTER_RESP received: "
+ "Should only be server -> client.\n"));
break;
case DCERPC_PKT_AUTH3:
@@ -1961,11 +1928,8 @@ void process_complete_pdu(struct pipes_struct *p)
break;
case DCERPC_PKT_SHUTDOWN:
- DEBUG(0, ("process_complete_pdu: Error. "
- "DCERPC_PKT_SHUTDOWN on pipe %s: "
- "Should only be server -> client.\n",
- get_pipe_name_from_syntax(talloc_tos(),
- &p->syntax)));
+ DEBUG(0, ("Error - DCERPC_PKT_SHUTDOWN received: "
+ "Should only be server -> client.\n"));
break;
case DCERPC_PKT_CO_CANCEL:
@@ -2010,9 +1974,7 @@ void process_complete_pdu(struct pipes_struct *p)
done:
if (!reply) {
- DEBUG(3,("process_complete_pdu: DCE/RPC fault sent on "
- "pipe %s\n", get_pipe_name_from_syntax(talloc_tos(),
- &p->syntax)));
+ DEBUG(3,("DCE/RPC fault sent!"));
set_incoming_fault(p);
setup_fault_pdu(p, NT_STATUS(DCERPC_FAULT_OP_RNG_ERROR));
TALLOC_FREE(pkt);