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// 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] & HTTP_ACL_NOCHECK) ? "NONE " : "");
buffer_strcat(wb, (api_sockets.fds_acl_flags[i] & HTTP_ACL_DASHBOARD) ? "dashboard " : "");
buffer_strcat(wb, (api_sockets.fds_acl_flags[i] & HTTP_ACL_REGISTRY) ? "registry " : "");
buffer_strcat(wb, (api_sockets.fds_acl_flags[i] & HTTP_ACL_BADGES) ? "badges " : "");
buffer_strcat(wb, (api_sockets.fds_acl_flags[i] & HTTP_ACL_MANAGEMENT) ? "management " : "");
buffer_strcat(wb, (api_sockets.fds_acl_flags[i] & HTTP_ACL_STREAMING) ? "streaming " : "");
buffer_strcat(wb, (api_sockets.fds_acl_flags[i] & HTTP_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 = HTTP_ACL_TRANSPORTS;
if(!(w->port_acl & HTTP_ACL_TRANSPORTS_WITHOUT_CLIENT_IP_VALIDATION)) {
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 |= HTTP_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 |= HTTP_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 |= HTTP_ACL_BADGES;
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 |= HTTP_ACL_MANAGEMENT;
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 |= HTTP_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 |= HTTP_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),
ND_LOG_FIELD_TXT(NDF_SRC_TRANSPORT, SSL_connection(&w->ssl) ? "https" : "http"),
ND_LOG_FIELD_TXT(NDF_SRC_IP, w->client_ip),
ND_LOG_FIELD_TXT(NDF_SRC_PORT, w->client_port),
ND_LOG_FIELD_TXT(NDF_SRC_FORWARDED_HOST, w->forwarded_host),
ND_LOG_FIELD_TXT(NDF_SRC_FORWARDED_FOR, w->forwarded_for),
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);
}
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