summaryrefslogtreecommitdiffstats
path: root/source3/winbindd/winbindd_show_sequence.c
blob: 447706685e713a6bbad3646629f1c34d7449de67 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
/*
   Unix SMB/CIFS implementation.
   async implementation of WINBINDD_SHOW_SEQUENCE
   Copyright (C) Volker Lendecke 2009

   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
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#include "includes.h"
#include "winbindd.h"

struct winbindd_show_sequence_state {
	bool one_domain;
	/* One domain */
	uint32_t seqnum;

	/* All domains */
	int num_domains;
	NTSTATUS *stati;
	struct winbindd_domain **domains;
	uint32_t *seqnums;
};

static void winbindd_show_sequence_done_one(struct tevent_req *subreq);
static void winbindd_show_sequence_done_all(struct tevent_req *subreq);

struct tevent_req *winbindd_show_sequence_send(TALLOC_CTX *mem_ctx,
					       struct tevent_context *ev,
					       struct winbindd_cli_state *cli,
					       struct winbindd_request *request)
{
	struct tevent_req *req, *subreq;
	struct winbindd_show_sequence_state *state;

	req = tevent_req_create(mem_ctx, &state,
				struct winbindd_show_sequence_state);
	if (req == NULL) {
		return NULL;
	}
	state->one_domain = false;
	state->domains = NULL;
	state->stati = NULL;
	state->seqnums = NULL;

	/* Ensure null termination */
	request->domain_name[sizeof(request->domain_name)-1]='\0';

	DEBUG(3, ("show_sequence %s\n", request->domain_name));

	if (request->domain_name[0] != '\0') {
		struct winbindd_domain *domain;

		state->one_domain = true;

		domain = find_domain_from_name_noinit(
			request->domain_name);
		if (domain == NULL) {
			tevent_req_nterror(req, NT_STATUS_NO_SUCH_DOMAIN);
			return tevent_req_post(req, ev);
		}

		subreq = wb_seqnum_send(state, ev, domain);
		if (tevent_req_nomem(subreq, req)) {
			return tevent_req_post(req, ev);
		}
		tevent_req_set_callback(
			subreq, winbindd_show_sequence_done_one, req);
		return req;
	}

	subreq = wb_seqnums_send(state, ev);
	if (tevent_req_nomem(subreq, req)) {
		return tevent_req_post(req, ev);
	}
	tevent_req_set_callback(subreq, winbindd_show_sequence_done_all, req);
	return req;
}

static void winbindd_show_sequence_done_one(struct tevent_req *subreq)
{
	struct tevent_req *req = tevent_req_callback_data(
		subreq, struct tevent_req);
	struct winbindd_show_sequence_state *state = tevent_req_data(
		req, struct winbindd_show_sequence_state);
	NTSTATUS status;

	status = wb_seqnum_recv(subreq, &state->seqnum);
	TALLOC_FREE(subreq);
	if (!NT_STATUS_IS_OK(status)) {
		tevent_req_nterror(req, status);
		return;
	}
	tevent_req_done(req);
}

static void winbindd_show_sequence_done_all(struct tevent_req *subreq)
{
	struct tevent_req *req = tevent_req_callback_data(
		subreq, struct tevent_req);
	struct winbindd_show_sequence_state *state = tevent_req_data(
		req, struct winbindd_show_sequence_state);
	NTSTATUS status;

	status = wb_seqnums_recv(subreq, state, &state->num_domains,
				 &state->domains, &state->stati,
				 &state->seqnums);
	TALLOC_FREE(subreq);
	if (!NT_STATUS_IS_OK(status)) {
		tevent_req_nterror(req, status);
		return;
	}
	tevent_req_done(req);
}

NTSTATUS winbindd_show_sequence_recv(struct tevent_req *req,
				     struct winbindd_response *response)
{
	struct winbindd_show_sequence_state *state = tevent_req_data(
		req, struct winbindd_show_sequence_state);
	NTSTATUS status;
	char *extra_data;
	int i;

	if (tevent_req_is_nterror(req, &status)) {
		return status;
	}

	if (state->one_domain) {
		response->data.sequence_number = state->seqnum;
		return NT_STATUS_OK;
	}

	extra_data = talloc_strdup(response, "");
	if (extra_data == NULL) {
		return NT_STATUS_NO_MEMORY;
	}

	for (i=0; i<state->num_domains; i++) {
		if (!NT_STATUS_IS_OK(state->stati[i])
		    || (state->seqnums[i] == DOM_SEQUENCE_NONE)) {
			extra_data = talloc_asprintf_append_buffer(
				extra_data, "%s : DISCONNECTED\n",
				state->domains[i]->name);
		} else {
			extra_data = talloc_asprintf_append_buffer(
				extra_data, "%s : %d\n",
				state->domains[i]->name,
				(int)state->seqnums[i]);
		}
		if (extra_data == NULL) {
			return NT_STATUS_NO_MEMORY;
		}
	}

	response->extra_data.data = extra_data;
	response->length += talloc_get_size(extra_data);
	return NT_STATUS_OK;
}