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-rw-r--r--source4/libnet/userinfo.c251
1 files changed, 124 insertions, 127 deletions
diff --git a/source4/libnet/userinfo.c b/source4/libnet/userinfo.c
index 35fd2f33ba..03dc0d8fad 100644
--- a/source4/libnet/userinfo.c
+++ b/source4/libnet/userinfo.c
@@ -31,14 +31,9 @@
#include "libnet/userinfo.h"
#include "librpc/gen_ndr/ndr_samr_c.h"
-static void userinfo_handler(struct rpc_request *req);
-
-enum userinfo_stage { USERINFO_LOOKUP, USERINFO_OPENUSER, USERINFO_GETUSER, USERINFO_CLOSEUSER };
struct userinfo_state {
- enum userinfo_stage stage;
struct dcerpc_pipe *pipe;
- struct rpc_request *req;
struct policy_handle domain_handle;
struct policy_handle user_handle;
uint16_t level;
@@ -53,23 +48,53 @@ struct userinfo_state {
};
+static void continue_userinfo_lookup(struct rpc_request *req);
+static void continue_userinfo_openuser(struct rpc_request *req);
+static void continue_userinfo_getuser(struct rpc_request *req);
+static void continue_userinfo_closeuser(struct rpc_request *req);
+
+
/**
* Stage 1 (optional): Look for a username in SAM server.
*/
-static NTSTATUS userinfo_lookup(struct composite_context *c,
- struct userinfo_state *s)
+static void continue_userinfo_lookup(struct rpc_request *req)
{
+ struct composite_context *c;
+ struct userinfo_state *s;
+ struct rpc_request *openuser_req;
+ struct monitor_msg msg;
+ struct msg_rpc_lookup_name *msg_lookup;
+
+ c = talloc_get_type(req->async.private, struct composite_context);
+ s = talloc_get_type(c->private_data, struct userinfo_state);
+
/* receive samr_Lookup reply */
- c->status = dcerpc_ndr_request_recv(s->req);
- NT_STATUS_NOT_OK_RETURN(c->status);
+ c->status = dcerpc_ndr_request_recv(req);
+ if (!composite_is_ok(c)) return;
/* there could be a problem with name resolving itself */
- NT_STATUS_NOT_OK_RETURN(s->lookup.out.result);
+ if (!NT_STATUS_IS_OK(s->lookup.out.result)) {
+ composite_error(c, s->lookup.out.result);
+ return;
+ }
+
+ /* issue a monitor message */
+ if (s->monitor_fn) {
+ msg.type = rpc_lookup_name;
+ msg_lookup = talloc(s, struct msg_rpc_lookup_name);
+ msg_lookup->rid = s->lookup.out.rids.ids;
+ msg_lookup->count = s->lookup.out.rids.count;
+ msg.data = (void*)msg_lookup;
+ msg.data_size = sizeof(*msg_lookup);
+
+ s->monitor_fn(&msg);
+ }
+
/* have we actually got name resolved
- we're looking for only one at the moment */
if (s->lookup.out.rids.count == 0) {
- return NT_STATUS_NO_SUCH_USER;
+ composite_error(c, NT_STATUS_NO_SUCH_USER);
}
/* TODO: find proper status code for more than one rid found */
@@ -81,168 +106,143 @@ static NTSTATUS userinfo_lookup(struct composite_context *c,
s->openuser.out.user_handle = &s->user_handle;
/* send request */
- s->req = dcerpc_samr_OpenUser_send(s->pipe, c, &s->openuser);
- if (s->req == NULL) goto failure;
-
- s->req->async.callback = userinfo_handler;
- s->req->async.private = c;
- s->stage = USERINFO_OPENUSER;
+ openuser_req = dcerpc_samr_OpenUser_send(s->pipe, c, &s->openuser);
+ if (composite_nomem(openuser_req, c)) return;
- return NT_STATUS_OK;
-
-failure:
- return NT_STATUS_UNSUCCESSFUL;
+ composite_continue_rpc(c, openuser_req, continue_userinfo_openuser, c);
}
/**
* Stage 2: Open user policy handle.
*/
-static NTSTATUS userinfo_openuser(struct composite_context *c,
- struct userinfo_state *s)
+static void continue_userinfo_openuser(struct rpc_request *req)
{
+ struct composite_context *c;
+ struct userinfo_state *s;
+ struct rpc_request *queryuser_req;
+ struct monitor_msg msg;
+ struct msg_rpc_open_user *msg_open;
+
+ c = talloc_get_type(req->async.private, struct composite_context);
+ s = talloc_get_type(c->private_data, struct userinfo_state);
+
/* receive samr_OpenUser reply */
- c->status = dcerpc_ndr_request_recv(s->req);
- NT_STATUS_NOT_OK_RETURN(c->status);
+ c->status = dcerpc_ndr_request_recv(req);
+ if (!composite_is_ok(c)) return;
+
+ if (!NT_STATUS_IS_OK(s->queryuserinfo.out.result)) {
+ composite_error(c, s->queryuserinfo.out.result);
+ return;
+ }
+
+ /* issue a monitor message */
+ if (s->monitor_fn) {
+ msg.type = rpc_open_user;
+ msg_open = talloc(s, struct msg_rpc_open_user);
+ msg_open->rid = s->openuser.in.rid;
+ msg_open->access_mask = s->openuser.in.access_mask;
+ msg.data = (void*)msg_open;
+ msg.data_size = sizeof(*msg_open);
+
+ s->monitor_fn(&msg);
+ }
/* prepare parameters for QueryUserInfo call */
s->queryuserinfo.in.user_handle = &s->user_handle;
s->queryuserinfo.in.level = s->level;
/* queue rpc call, set event handling and new state */
- s->req = dcerpc_samr_QueryUserInfo_send(s->pipe, c, &s->queryuserinfo);
- if (s->req == NULL) goto failure;
-
- s->req->async.callback = userinfo_handler;
- s->req->async.private = c;
- s->stage = USERINFO_GETUSER;
+ queryuser_req = dcerpc_samr_QueryUserInfo_send(s->pipe, c, &s->queryuserinfo);
+ if (composite_nomem(queryuser_req, c)) return;
- return NT_STATUS_OK;
-
-failure:
- return NT_STATUS_UNSUCCESSFUL;
+ composite_continue_rpc(c, queryuser_req, continue_userinfo_getuser, c);
}
/**
* Stage 3: Get requested user information.
*/
-static NTSTATUS userinfo_getuser(struct composite_context *c,
- struct userinfo_state *s)
+static void continue_userinfo_getuser(struct rpc_request *req)
{
+ struct composite_context *c;
+ struct userinfo_state *s;
+ struct rpc_request *close_req;
+ struct monitor_msg msg;
+ struct msg_rpc_query_user *msg_query;
+
+ c = talloc_get_type(req->async.private, struct composite_context);
+ s = talloc_get_type(c->private_data, struct userinfo_state);
+
/* receive samr_QueryUserInfo reply */
- c->status = dcerpc_ndr_request_recv(s->req);
- NT_STATUS_NOT_OK_RETURN(c->status);
+ c->status = dcerpc_ndr_request_recv(req);
+ if (!composite_is_ok(c)) return;
/* check if queryuser itself went ok */
- NT_STATUS_NOT_OK_RETURN(s->queryuserinfo.out.result);
+ if (!NT_STATUS_IS_OK(s->queryuserinfo.out.result)) {
+ composite_error(c, s->queryuserinfo.out.result);
+ return;
+ }
s->info = talloc_steal(s, s->queryuserinfo.out.info);
+
+ /* issue a monitor message */
+ if (s->monitor_fn) {
+ msg.type = rpc_query_user;
+ msg_query = talloc(s, struct msg_rpc_query_user);
+ msg_query->level = s->queryuserinfo.in.level;
+ msg.data = (void*)msg_query;
+ msg.data_size = sizeof(*msg_query);
+
+ s->monitor_fn(&msg);
+ }
/* prepare arguments for Close call */
s->samrclose.in.handle = &s->user_handle;
s->samrclose.out.handle = &s->user_handle;
/* queue rpc call, set event handling and new state */
- s->req = dcerpc_samr_Close_send(s->pipe, c, &s->samrclose);
+ close_req = dcerpc_samr_Close_send(s->pipe, c, &s->samrclose);
+ if (composite_nomem(close_req, c)) return;
- s->req->async.callback = userinfo_handler;
- s->req->async.private = c;
- s->stage = USERINFO_CLOSEUSER;
-
- return NT_STATUS_OK;
+ composite_continue_rpc(c, close_req, continue_userinfo_closeuser, c);
}
/**
* Stage 4: Close policy handle associated with opened user.
*/
-static NTSTATUS userinfo_closeuser(struct composite_context *c,
- struct userinfo_state *s)
-{
- /* receive samr_Close reply */
- c->status = dcerpc_ndr_request_recv(s->req);
- NT_STATUS_NOT_OK_RETURN(c->status);
-
- c->state = COMPOSITE_STATE_DONE;
-
- return NT_STATUS_OK;
-}
-
-
-/**
- * Event handler for asynchronous request. Handles transition through
- * intermediate stages of the call.
- *
- * @param req rpc call context
- */
-static void userinfo_handler(struct rpc_request *req)
+static void continue_userinfo_closeuser(struct rpc_request *req)
{
- struct composite_context *c = req->async.private;
- struct userinfo_state *s = talloc_get_type(c->private_data, struct userinfo_state);
+ struct composite_context *c;
+ struct userinfo_state *s;
struct monitor_msg msg;
- struct msg_rpc_lookup_name *msg_lookup;
- struct msg_rpc_open_user *msg_open;
- struct msg_rpc_query_user *msg_query;
struct msg_rpc_close_user *msg_close;
-
- /* Stages of the call */
- switch (s->stage) {
- case USERINFO_LOOKUP:
- c->status = userinfo_lookup(c, s);
- msg.type = rpc_lookup_name;
- msg_lookup = talloc(s, struct msg_rpc_lookup_name);
- msg_lookup->rid = s->lookup.out.rids.ids;
- msg_lookup->count = s->lookup.out.rids.count;
- msg.data = (void*)msg_lookup;
- msg.data_size = sizeof(*msg_lookup);
- break;
-
- case USERINFO_OPENUSER:
- c->status = userinfo_openuser(c, s);
-
- msg.type = rpc_open_user;
- msg_open = talloc(s, struct msg_rpc_open_user);
- msg_open->rid = s->openuser.in.rid;
- msg_open->access_mask = s->openuser.in.access_mask;
- msg.data = (void*)msg_open;
- msg.data_size = sizeof(*msg_open);
- break;
+ c = talloc_get_type(req->async.private, struct composite_context);
+ s = talloc_get_type(c->private_data, struct userinfo_state);
- case USERINFO_GETUSER:
- c->status = userinfo_getuser(c, s);
+ /* receive samr_Close reply */
+ c->status = dcerpc_ndr_request_recv(req);
+ if (!composite_is_ok(c)) return;
- msg.type = rpc_query_user;
- msg_query = talloc(s, struct msg_rpc_query_user);
- msg_query->level = s->queryuserinfo.in.level;
- msg.data = (void*)msg_query;
- msg.data_size = sizeof(*msg_query);
- break;
-
- case USERINFO_CLOSEUSER:
- c->status = userinfo_closeuser(c, s);
+ if (!NT_STATUS_IS_OK(s->samrclose.out.result)) {
+ composite_error(c, s->samrclose.out.result);
+ return;
+ }
+ /* issue a monitor message */
+ if (s->monitor_fn) {
msg.type = rpc_close_user;
msg_close = talloc(s, struct msg_rpc_close_user);
msg_close->rid = s->openuser.in.rid;
msg.data = (void*)msg_close;
msg.data_size = sizeof(*msg_close);
- break;
- }
- if (!NT_STATUS_IS_OK(c->status)) {
- c->state = COMPOSITE_STATE_ERROR;
- }
-
- if (s->monitor_fn) {
s->monitor_fn(&msg);
}
- if (c->state >= COMPOSITE_STATE_DONE &&
- c->async.fn) {
- c->async.fn(c);
- }
+ composite_done(c);
}
@@ -259,6 +259,7 @@ struct composite_context *libnet_rpc_userinfo_send(struct dcerpc_pipe *p,
struct composite_context *c;
struct userinfo_state *s;
struct dom_sid *sid;
+ struct rpc_request *openuser_req, *lookup_req;
if (!p || !io) return NULL;
@@ -285,10 +286,10 @@ struct composite_context *libnet_rpc_userinfo_send(struct dcerpc_pipe *p,
s->openuser.out.user_handle = &s->user_handle;
/* send request */
- s->req = dcerpc_samr_OpenUser_send(p, c, &s->openuser);
- if (composite_nomem(s->req, c)) return c;
-
- s->stage = USERINFO_OPENUSER;
+ openuser_req = dcerpc_samr_OpenUser_send(p, c, &s->openuser);
+ if (composite_nomem(openuser_req, c)) return c;
+
+ composite_continue_rpc(c, openuser_req, continue_userinfo_openuser, c);
} else {
/* preparing parameters to send rpc request */
@@ -300,16 +301,12 @@ struct composite_context *libnet_rpc_userinfo_send(struct dcerpc_pipe *p,
s->lookup.in.names[0].string = talloc_strdup(s, io->in.username);
/* send request */
- s->req = dcerpc_samr_LookupNames_send(p, c, &s->lookup);
- if (composite_nomem(s->req, c)) return c;
+ lookup_req = dcerpc_samr_LookupNames_send(p, c, &s->lookup);
+ if (composite_nomem(lookup_req, c)) return c;
- s->stage = USERINFO_LOOKUP;
+ composite_continue_rpc(c, lookup_req, continue_userinfo_lookup, c);
}
- /* callback handler */
- s->req->async.callback = userinfo_handler;
- s->req->async.private = c;
-
return c;
}
generated by cgit (git 2.34.1) at 2024-12-12 07:40:06 +0000