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
|
// SPDX-License-Identifier: GPL-3.0-or-later
#define WEB_SERVER_INTERNALS 1
#include "web_server.h"
WEB_SERVER_MODE web_server_mode = WEB_SERVER_MODE_STATIC_THREADED;
// --------------------------------------------------------------------------------------
WEB_SERVER_MODE web_server_mode_id(const char *mode) {
if(!strcmp(mode, "none"))
return WEB_SERVER_MODE_NONE;
else
return WEB_SERVER_MODE_STATIC_THREADED;
}
const char *web_server_mode_name(WEB_SERVER_MODE id) {
switch(id) {
case WEB_SERVER_MODE_NONE:
return "none";
default:
case WEB_SERVER_MODE_STATIC_THREADED:
return "static-threaded";
}
}
// --------------------------------------------------------------------------------------
// API sockets
LISTEN_SOCKETS api_sockets = {
.config = &netdata_config,
.config_section = CONFIG_SECTION_WEB,
.default_bind_to = "*",
.default_port = API_LISTEN_PORT,
.backlog = API_LISTEN_BACKLOG
};
void debug_sockets() {
BUFFER *wb = buffer_create(256 * sizeof(char), NULL);
int i;
for(i = 0 ; i < (int)api_sockets.opened ; i++) {
buffer_strcat(wb, (api_sockets.fds_acl_flags[i] & WEB_CLIENT_ACL_NOCHECK)?"NONE ":"");
buffer_strcat(wb, (api_sockets.fds_acl_flags[i] & WEB_CLIENT_ACL_DASHBOARD)?"dashboard ":"");
buffer_strcat(wb, (api_sockets.fds_acl_flags[i] & WEB_CLIENT_ACL_REGISTRY)?"registry ":"");
buffer_strcat(wb, (api_sockets.fds_acl_flags[i] & WEB_CLIENT_ACL_BADGE)?"badges ":"");
buffer_strcat(wb, (api_sockets.fds_acl_flags[i] & WEB_CLIENT_ACL_MGMT)?"management ":"");
buffer_strcat(wb, (api_sockets.fds_acl_flags[i] & WEB_CLIENT_ACL_STREAMING)?"streaming ":"");
buffer_strcat(wb, (api_sockets.fds_acl_flags[i] & WEB_CLIENT_ACL_NETDATACONF)?"netdata.conf ":"");
netdata_log_debug(D_WEB_CLIENT, "Socket fd %d name '%s' acl_flags: %s",
i,
api_sockets.fds_names[i],
buffer_tostring(wb));
buffer_reset(wb);
}
buffer_free(wb);
}
bool api_listen_sockets_setup(void) {
int socks = listen_sockets_setup(&api_sockets);
if(!socks)
return false;
if(unlikely(debug_flags & D_WEB_CLIENT))
debug_sockets();
return true;
}
// --------------------------------------------------------------------------------------
// access lists
SIMPLE_PATTERN *web_allow_connections_from = NULL;
int web_allow_connections_dns;
// WEB_CLIENT_ACL
SIMPLE_PATTERN *web_allow_dashboard_from = NULL;
int web_allow_dashboard_dns;
SIMPLE_PATTERN *web_allow_registry_from = NULL;
int web_allow_registry_dns;
SIMPLE_PATTERN *web_allow_badges_from = NULL;
int web_allow_badges_dns;
SIMPLE_PATTERN *web_allow_mgmt_from = NULL;
int web_allow_mgmt_dns;
SIMPLE_PATTERN *web_allow_streaming_from = NULL;
int web_allow_streaming_dns;
SIMPLE_PATTERN *web_allow_netdataconf_from = NULL;
int web_allow_netdataconf_dns;
void web_client_update_acl_matches(struct web_client *w) {
w->acl = WEB_CLIENT_ACL_NONE;
if (!web_allow_dashboard_from ||
connection_allowed(w->ifd, w->client_ip, w->client_host, sizeof(w->client_host),
web_allow_dashboard_from, "dashboard", web_allow_dashboard_dns))
w->acl |= WEB_CLIENT_ACL_DASHBOARD;
if (!web_allow_registry_from ||
connection_allowed(w->ifd, w->client_ip, w->client_host, sizeof(w->client_host),
web_allow_registry_from, "registry", web_allow_registry_dns))
w->acl |= WEB_CLIENT_ACL_REGISTRY;
if (!web_allow_badges_from ||
connection_allowed(w->ifd, w->client_ip, w->client_host, sizeof(w->client_host),
web_allow_badges_from, "badges", web_allow_badges_dns))
w->acl |= WEB_CLIENT_ACL_BADGE;
if (!web_allow_mgmt_from ||
connection_allowed(w->ifd, w->client_ip, w->client_host, sizeof(w->client_host),
web_allow_mgmt_from, "management", web_allow_mgmt_dns))
w->acl |= WEB_CLIENT_ACL_MGMT;
if (!web_allow_streaming_from ||
connection_allowed(w->ifd, w->client_ip, w->client_host, sizeof(w->client_host),
web_allow_streaming_from, "streaming", web_allow_streaming_dns))
w->acl |= WEB_CLIENT_ACL_STREAMING;
if (!web_allow_netdataconf_from ||
connection_allowed(w->ifd, w->client_ip, w->client_host, sizeof(w->client_host),
web_allow_netdataconf_from, "netdata.conf", web_allow_netdataconf_dns))
w->acl |= WEB_CLIENT_ACL_NETDATACONF;
w->acl &= w->port_acl;
}
// --------------------------------------------------------------------------------------
void web_server_log_connection(struct web_client *w, const char *msg) {
ND_LOG_STACK lgs[] = {
ND_LOG_FIELD_U64(NDF_CONNECTION_ID, w->id),
#ifdef ENABLE_HTTPS
ND_LOG_FIELD_TXT(NDF_SRC_TRANSPORT, SSL_connection(&w->ssl) ? "https" : "http"),
#else
ND_LOG_FIELD_TXT(NDF_SRC_TRANSPORT, "http"),
#endif
ND_LOG_FIELD_TXT(NDF_SRC_IP, w->client_ip),
ND_LOG_FIELD_TXT(NDF_SRC_PORT, w->client_port),
ND_LOG_FIELD_END(),
};
ND_LOG_STACK_PUSH(lgs);
nd_log(NDLS_ACCESS, NDLP_DEBUG, "[%s]:%s %s", w->client_ip, w->client_port, msg);
}
|
