1 /*
2 ** Zabbix
3 ** Copyright (C) 2001-2021 Zabbix SIA
4 **
5 ** This program is free software; you can redistribute it and/or modify
6 ** it under the terms of the GNU General Public License as published by
7 ** the Free Software Foundation; either version 2 of the License, or
8 ** (at your option) any later version.
9 **
10 ** This program is distributed in the hope that it will be useful,
11 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
12 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 ** GNU General Public License for more details.
14 **
15 ** You should have received a copy of the GNU General Public License
16 ** along with this program; if not, write to the Free Software
17 ** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 **/
19
20 #include "common.h"
21 #include "db.h"
22 #include "log.h"
23 #include "proxy.h"
24
25 #include "proxyautoreg.h"
26
27 /******************************************************************************
28 * *
29 * Function: recv_areg_data *
30 * *
31 * Purpose: receive auto registration data from proxy *
32 * *
33 * Author: Alexander Vladishev *
34 * *
35 ******************************************************************************/
recv_areg_data(zbx_socket_t * sock,struct zbx_json_parse * jp,zbx_timespec_t * ts)36 void recv_areg_data(zbx_socket_t *sock, struct zbx_json_parse *jp, zbx_timespec_t *ts)
37 {
38 const char *__function_name = "recv_areg_data";
39
40 int ret;
41 char *error = NULL;
42 DC_PROXY proxy;
43
44 zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __function_name);
45
46 if (SUCCEED != (ret = get_active_proxy_from_request(jp, &proxy, &error)))
47 {
48 zabbix_log(LOG_LEVEL_WARNING, "cannot parse autoregistration data from active proxy at \"%s\": %s",
49 sock->peer, error);
50 goto out;
51 }
52
53 if (SUCCEED != (ret = zbx_proxy_check_permissions(&proxy, sock, &error)))
54 {
55 zabbix_log(LOG_LEVEL_WARNING, "cannot accept connection from proxy \"%s\" at \"%s\", allowed address:"
56 " \"%s\": %s", proxy.host, sock->peer, proxy.proxy_address, error);
57 goto out;
58 }
59
60 zbx_update_proxy_data(&proxy, zbx_get_protocol_version(jp), time(NULL),
61 (0 != (sock->protocol & ZBX_TCP_COMPRESS) ? 1 : 0));
62
63 if (SUCCEED != zbx_check_protocol_version(&proxy))
64 {
65 goto out;
66 }
67
68 if (SUCCEED != (ret = process_auto_registration(jp, proxy.hostid, ts, &error)))
69 {
70 zabbix_log(LOG_LEVEL_WARNING, "received invalid autoregistration data from proxy \"%s\" at \"%s\": %s",
71 proxy.host, sock->peer, error);
72 }
73 out:
74 zbx_send_response(sock, ret, error, CONFIG_TIMEOUT);
75
76 zbx_free(error);
77
78 zabbix_log(LOG_LEVEL_DEBUG, "End of %s():%s", __function_name, zbx_result_string(ret));
79 }
80
81 /******************************************************************************
82 * *
83 * Function: send_areg_data *
84 * *
85 * Purpose: send auto registration data from proxy to a server *
86 * *
87 ******************************************************************************/
send_areg_data(zbx_socket_t * sock)88 void send_areg_data(zbx_socket_t *sock)
89 {
90 const char *__function_name = "send_areg_data";
91
92 zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __function_name);
93
94 /* do not send any reply to server in this case as the server expects auto registration data */
95 if (SUCCEED == check_access_passive_proxy(sock, ZBX_DO_NOT_SEND_RESPONSE, "auto registration data request"))
96 zbx_send_proxy_response(sock, FAIL, "Deprecated request", CONFIG_TIMEOUT);
97
98 zabbix_log(LOG_LEVEL_DEBUG, "End of %s()", __function_name);
99 }
100