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/*
* libwebsockets - small server side websockets and web server implementation
*
* Copyright (C) 2010 - 2019 Andy Green <andy@warmcat.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#include "private-lib-core.h"
#ifndef _WIN32
/* this is needed for Travis CI */
#include <dirent.h>
#endif
#define ESC_INSTALL_DATADIR "_lws_ddir_"
static const char * const paths_global[] = {
"global.uid",
"global.gid",
"global.username",
"global.groupname",
"global.count-threads",
"global.init-ssl",
"global.server-string",
"global.plugin-dir",
"global.ws-pingpong-secs",
"global.timeout-secs",
"global.reject-service-keywords[].*",
"global.reject-service-keywords[]",
"global.default-alpn",
"global.ip-limit-ah",
"global.ip-limit-wsi",
};
enum lejp_global_paths {
LEJPGP_UID,
LEJPGP_GID,
LEJPGP_USERNAME,
LEJPGP_GROUPNAME,
LEJPGP_COUNT_THREADS,
LWJPGP_INIT_SSL,
LEJPGP_SERVER_STRING,
LEJPGP_PLUGIN_DIR,
LWJPGP_PINGPONG_SECS,
LWJPGP_TIMEOUT_SECS,
LWJPGP_REJECT_SERVICE_KEYWORDS_NAME,
LWJPGP_REJECT_SERVICE_KEYWORDS,
LWJPGP_DEFAULT_ALPN,
LWJPGP_IP_LIMIT_AH,
LWJPGP_IP_LIMIT_WSI,
};
static const char * const paths_vhosts[] = {
"vhosts[]",
"vhosts[].mounts[]",
"vhosts[].name",
"vhosts[].port",
"vhosts[].interface",
"vhosts[].unix-socket",
"vhosts[].unix-socket-perms",
"vhosts[].sts",
"vhosts[].host-ssl-key",
"vhosts[].host-ssl-cert",
"vhosts[].host-ssl-ca",
"vhosts[].access-log",
"vhosts[].mounts[].mountpoint",
"vhosts[].mounts[].origin",
"vhosts[].mounts[].protocol",
"vhosts[].mounts[].default",
"vhosts[].mounts[].auth-mask",
"vhosts[].mounts[].cgi-timeout",
"vhosts[].mounts[].cgi-env[].*",
"vhosts[].mounts[].cache-max-age",
"vhosts[].mounts[].cache-reuse",
"vhosts[].mounts[].cache-revalidate",
"vhosts[].mounts[].basic-auth",
"vhosts[].mounts[].cache-intermediaries",
"vhosts[].mounts[].extra-mimetypes.*",
"vhosts[].mounts[].interpret.*",
"vhosts[].ws-protocols[].*.*",
"vhosts[].ws-protocols[].*",
"vhosts[].ws-protocols[]",
"vhosts[].keepalive_timeout",
"vhosts[].enable-client-ssl",
"vhosts[].ciphers",
"vhosts[].ecdh-curve",
"vhosts[].noipv6",
"vhosts[].ipv6only",
"vhosts[].ssl-option-set",
"vhosts[].ssl-option-clear",
"vhosts[].mounts[].pmo[].*",
"vhosts[].headers[].*",
"vhosts[].headers[]",
"vhosts[].client-ssl-key",
"vhosts[].client-ssl-cert",
"vhosts[].client-ssl-ca",
"vhosts[].client-ssl-ciphers",
"vhosts[].onlyraw",
"vhosts[].client-cert-required",
"vhosts[].ignore-missing-cert",
"vhosts[].error-document-404",
"vhosts[].alpn",
"vhosts[].ssl-client-option-set",
"vhosts[].ssl-client-option-clear",
"vhosts[].tls13-ciphers",
"vhosts[].client-tls13-ciphers",
"vhosts[].strict-host-check",
"vhosts[].listen-accept-role",
"vhosts[].listen-accept-protocol",
"vhosts[].apply-listen-accept", /* deprecates "onlyraw" */
"vhosts[].fallback-listen-accept",
"vhosts[].allow-non-tls",
"vhosts[].redirect-http",
"vhosts[].allow-http-on-https",
"vhosts[].disable-no-protocol-ws-upgrades",
"vhosts[].h2-half-closed-long-poll",
};
enum lejp_vhost_paths {
LEJPVP,
LEJPVP_MOUNTS,
LEJPVP_NAME,
LEJPVP_PORT,
LEJPVP_INTERFACE,
LEJPVP_UNIXSKT,
LEJPVP_UNIXSKT_PERMS,
LEJPVP_STS,
LEJPVP_HOST_SSL_KEY,
LEJPVP_HOST_SSL_CERT,
LEJPVP_HOST_SSL_CA,
LEJPVP_ACCESS_LOG,
LEJPVP_MOUNTPOINT,
LEJPVP_ORIGIN,
LEJPVP_MOUNT_PROTOCOL,
LEJPVP_DEFAULT,
LEJPVP_DEFAULT_AUTH_MASK,
LEJPVP_CGI_TIMEOUT,
LEJPVP_CGI_ENV,
LEJPVP_MOUNT_CACHE_MAX_AGE,
LEJPVP_MOUNT_CACHE_REUSE,
LEJPVP_MOUNT_CACHE_REVALIDATE,
LEJPVP_MOUNT_BASIC_AUTH,
LEJPVP_MOUNT_CACHE_INTERMEDIARIES,
LEJPVP_MOUNT_EXTRA_MIMETYPES,
LEJPVP_MOUNT_INTERPRET,
LEJPVP_PROTOCOL_NAME_OPT,
LEJPVP_PROTOCOL_NAME,
LEJPVP_PROTOCOL,
LEJPVP_KEEPALIVE_TIMEOUT,
LEJPVP_ENABLE_CLIENT_SSL,
LEJPVP_CIPHERS,
LEJPVP_ECDH_CURVE,
LEJPVP_NOIPV6,
LEJPVP_IPV6ONLY,
LEJPVP_SSL_OPTION_SET,
LEJPVP_SSL_OPTION_CLEAR,
LEJPVP_PMO,
LEJPVP_HEADERS_NAME,
LEJPVP_HEADERS,
LEJPVP_CLIENT_SSL_KEY,
LEJPVP_CLIENT_SSL_CERT,
LEJPVP_CLIENT_SSL_CA,
LEJPVP_CLIENT_CIPHERS,
LEJPVP_FLAG_ONLYRAW,
LEJPVP_FLAG_CLIENT_CERT_REQUIRED,
LEJPVP_IGNORE_MISSING_CERT,
LEJPVP_ERROR_DOCUMENT_404,
LEJPVP_ALPN,
LEJPVP_SSL_CLIENT_OPTION_SET,
LEJPVP_SSL_CLIENT_OPTION_CLEAR,
LEJPVP_TLS13_CIPHERS,
LEJPVP_CLIENT_TLS13_CIPHERS,
LEJPVP_FLAG_STRICT_HOST_CHECK,
LEJPVP_LISTEN_ACCEPT_ROLE,
LEJPVP_LISTEN_ACCEPT_PROTOCOL,
LEJPVP_FLAG_APPLY_LISTEN_ACCEPT,
LEJPVP_FLAG_FALLBACK_LISTEN_ACCEPT,
LEJPVP_FLAG_ALLOW_NON_TLS,
LEJPVP_FLAG_REDIRECT_HTTP,
LEJPVP_FLAG_ALLOW_HTTP_ON_HTTPS,
LEJPVP_FLAG_DISABLE_NO_PROTOCOL_WS_UPGRADES,
LEJPVP_FLAG_H2_HALF_CLOSED_LONG_POLL,
};
#define MAX_PLUGIN_DIRS 10
struct jpargs {
struct lws_context_creation_info *info;
struct lws_context *context;
const struct lws_protocols *protocols;
const struct lws_protocols **pprotocols;
const struct lws_extension *extensions;
char *p, *end, valid;
struct lws_http_mount *head, *last;
struct lws_protocol_vhost_options *pvo;
struct lws_protocol_vhost_options *pvo_em;
struct lws_protocol_vhost_options *pvo_int;
struct lws_http_mount m;
const char **plugin_dirs;
int count_plugin_dirs;
unsigned int reject_ws_with_no_protocol:1;
unsigned int enable_client_ssl:1;
unsigned int fresh_mount:1;
unsigned int any_vhosts:1;
unsigned int chunk:1;
};
static void *
lwsws_align(struct jpargs *a)
{
if ((lws_intptr_t)(a->p) & 15)
a->p += 16 - ((lws_intptr_t)(a->p) & 15);
a->chunk = 0;
return a->p;
}
static int
arg_to_bool(const char *s)
{
static const char * const on[] = { "on", "yes", "true" };
int n = atoi(s);
if (n)
return 1;
for (n = 0; n < (int)LWS_ARRAY_SIZE(on); n++)
if (!strcasecmp(s, on[n]))
return 1;
return 0;
}
static void
set_reset_flag(uint64_t *p, const char *state, uint64_t flag)
{
if (arg_to_bool(state))
*p |= flag;
else
*p &= ~(flag);
}
static signed char
lejp_globals_cb(struct lejp_ctx *ctx, char reason)
{
struct jpargs *a = (struct jpargs *)ctx->user;
struct lws_protocol_vhost_options *rej;
int n;
/* we only match on the prepared path strings */
if (!(reason & LEJP_FLAG_CB_IS_VALUE) || !ctx->path_match)
return 0;
/* this catches, eg, vhosts[].headers[].xxx */
if (reason == LEJPCB_VAL_STR_END &&
ctx->path_match == LWJPGP_REJECT_SERVICE_KEYWORDS_NAME + 1) {
rej = lwsws_align(a);
a->p += sizeof(*rej);
n = lejp_get_wildcard(ctx, 0, a->p, lws_ptr_diff(a->end, a->p));
rej->next = a->info->reject_service_keywords;
a->info->reject_service_keywords = rej;
rej->name = a->p;
lwsl_notice(" adding rej %s=%s\n", a->p, ctx->buf);
a->p += n - 1;
*(a->p++) = '\0';
rej->value = a->p;
rej->options = NULL;
goto dostring;
}
switch (ctx->path_match - 1) {
case LEJPGP_UID:
a->info->uid = atoi(ctx->buf);
return 0;
case LEJPGP_GID:
a->info->gid = atoi(ctx->buf);
return 0;
case LEJPGP_USERNAME:
a->info->username = a->p;
break;
case LEJPGP_GROUPNAME:
a->info->groupname = a->p;
break;
case LEJPGP_COUNT_THREADS:
a->info->count_threads = atoi(ctx->buf);
return 0;
case LWJPGP_INIT_SSL:
if (arg_to_bool(ctx->buf))
a->info->options |= LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT;
return 0;
case LEJPGP_SERVER_STRING:
#if defined(LWS_WITH_SERVER)
a->info->server_string = a->p;
#endif
break;
case LEJPGP_PLUGIN_DIR:
if (a->count_plugin_dirs == MAX_PLUGIN_DIRS - 1) {
lwsl_err("Too many plugin dirs\n");
return -1;
}
a->plugin_dirs[a->count_plugin_dirs++] = a->p;
break;
case LWJPGP_PINGPONG_SECS:
a->info->ws_ping_pong_interval = atoi(ctx->buf);
return 0;
case LWJPGP_TIMEOUT_SECS:
a->info->timeout_secs = atoi(ctx->buf);
return 0;
case LWJPGP_DEFAULT_ALPN:
a->info->alpn = a->p;
break;
case LWJPGP_IP_LIMIT_AH:
a->info->ip_limit_ah = atoi(ctx->buf);
return 0;
case LWJPGP_IP_LIMIT_WSI:
a->info->ip_limit_wsi = atoi(ctx->buf);
return 0;
default:
return 0;
}
dostring:
a->p += lws_snprintf(a->p, a->end - a->p, "%s", ctx->buf);
*(a->p)++ = '\0';
return 0;
}
static signed char
lejp_vhosts_cb(struct lejp_ctx *ctx, char reason)
{
struct jpargs *a = (struct jpargs *)ctx->user;
struct lws_protocol_vhost_options *pvo, *mp_cgienv, *headers;
struct lws_http_mount *m;
char *p, *p1;
int n;
#if 0
lwsl_notice(" %d: %s (%d)\n", reason, ctx->path, ctx->path_match);
for (n = 0; n < ctx->wildcount; n++)
lwsl_notice(" %d\n", ctx->wild[n]);
#endif
if (reason == LEJPCB_OBJECT_START && ctx->path_match == LEJPVP + 1) {
uint32_t i[4];
#if defined(LWS_WITH_SERVER)
const char *ss;
#endif
/* set the defaults for this vhost */
a->reject_ws_with_no_protocol = 0;
a->valid = 1;
a->head = NULL;
a->last = NULL;
i[0] = a->info->count_threads;
i[1] = a->info->options & (
LWS_SERVER_OPTION_SKIP_SERVER_CANONICAL_NAME |
LWS_SERVER_OPTION_LIBUV |
LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT |
LWS_SERVER_OPTION_EXPLICIT_VHOSTS |
LWS_SERVER_OPTION_UV_NO_SIGSEGV_SIGFPE_SPIN |
LWS_SERVER_OPTION_LIBEVENT |
LWS_SERVER_OPTION_LIBEV
);
#if defined(LWS_WITH_SERVER)
ss = a->info->server_string;
#endif
i[2] = a->info->ws_ping_pong_interval;
i[3] = a->info->timeout_secs;
memset(a->info, 0, sizeof(*a->info));
a->info->count_threads = i[0];
a->info->options = i[1];
#if defined(LWS_WITH_SERVER)
a->info->server_string = ss;
#endif
a->info->ws_ping_pong_interval = i[2];
a->info->timeout_secs = i[3];
a->info->protocols = a->protocols;
a->info->pprotocols = a->pprotocols;
a->info->extensions = a->extensions;
#if defined(LWS_WITH_TLS)
a->info->client_ssl_cipher_list = "ECDHE-ECDSA-AES256-GCM-SHA384:"
"ECDHE-RSA-AES256-GCM-SHA384:"
"DHE-RSA-AES256-GCM-SHA384:"
"ECDHE-RSA-AES256-SHA384:"
"HIGH:!aNULL:!eNULL:!EXPORT:"
"!DES:!MD5:!PSK:!RC4:!HMAC_SHA1:"
"!SHA1:!DHE-RSA-AES128-GCM-SHA256:"
"!DHE-RSA-AES128-SHA256:"
"!AES128-GCM-SHA256:"
"!AES128-SHA256:"
"!DHE-RSA-AES256-SHA256:"
"!AES256-GCM-SHA384:"
"!AES256-SHA256";
#endif
a->info->ssl_cipher_list = "ECDHE-ECDSA-AES256-GCM-SHA384:"
"ECDHE-RSA-AES256-GCM-SHA384:"
"DHE-RSA-AES256-GCM-SHA384:"
"ECDHE-RSA-AES256-SHA384:"
"HIGH:!aNULL:!eNULL:!EXPORT:"
"!DES:!MD5:!PSK:!RC4:!HMAC_SHA1:"
"!SHA1:!DHE-RSA-AES128-GCM-SHA256:"
"!DHE-RSA-AES128-SHA256:"
"!AES128-GCM-SHA256:"
"!AES128-SHA256:"
"!DHE-RSA-AES256-SHA256:"
"!AES256-GCM-SHA384:"
"!AES256-SHA256";
a->info->keepalive_timeout = 5;
}
if (reason == LEJPCB_OBJECT_START &&
ctx->path_match == LEJPVP_MOUNTS + 1) {
a->fresh_mount = 1;
memset(&a->m, 0, sizeof(a->m));
}
/* this catches, eg, vhosts[].ws-protocols[].xxx-protocol */
if (reason == LEJPCB_OBJECT_START &&
ctx->path_match == LEJPVP_PROTOCOL_NAME + 1) {
a->pvo = lwsws_align(a);
a->p += sizeof(*a->pvo);
n = lejp_get_wildcard(ctx, 0, a->p, lws_ptr_diff(a->end, a->p));
/* ie, enable this protocol, no options yet */
a->pvo->next = a->info->pvo;
a->info->pvo = a->pvo;
a->pvo->name = a->p;
lwsl_info(" adding protocol %s\n", a->p);
a->p += n;
a->pvo->value = a->p;
a->pvo->options = NULL;
goto dostring;
}
/* this catches, eg, vhosts[].headers[].xxx */
if ((reason == LEJPCB_VAL_STR_END || reason == LEJPCB_VAL_STR_CHUNK) &&
ctx->path_match == LEJPVP_HEADERS_NAME + 1) {
if (!a->chunk) {
headers = lwsws_align(a);
a->p += sizeof(*headers);
n = lejp_get_wildcard(ctx, 0, a->p,
lws_ptr_diff(a->end, a->p));
/* ie, add this header */
headers->next = a->info->headers;
a->info->headers = headers;
headers->name = a->p;
lwsl_notice(" adding header %s=%s\n", a->p, ctx->buf);
a->p += n - 1;
*(a->p++) = ':';
if (a->p < a->end)
*(a->p++) = '\0';
else
*(a->p - 1) = '\0';
headers->value = a->p;
headers->options = NULL;
}
a->chunk = reason == LEJPCB_VAL_STR_CHUNK;
goto dostring;
}
if (reason == LEJPCB_OBJECT_END &&
(ctx->path_match == LEJPVP + 1 || !ctx->path[0]) &&
a->valid) {
struct lws_vhost *vhost;
//lwsl_notice("%s\n", ctx->path);
if (!a->info->port &&
!(a->info->options & LWS_SERVER_OPTION_UNIX_SOCK)) {
lwsl_err("Port required (eg, 443)\n");
return 1;
}
a->valid = 0;
a->info->mounts = a->head;
vhost = lws_create_vhost(a->context, a->info);
if (!vhost) {
lwsl_err("Failed to create vhost %s\n",
a->info->vhost_name);
return 1;
}
a->any_vhosts = 1;
if (a->reject_ws_with_no_protocol) {
a->reject_ws_with_no_protocol = 0;
vhost->default_protocol_index = 255;
}
#if defined(LWS_WITH_TLS)
if (a->enable_client_ssl) {
const char *cert_filepath =
a->info->client_ssl_cert_filepath;
const char *private_key_filepath =
a->info->client_ssl_private_key_filepath;
const char *ca_filepath =
a->info->client_ssl_ca_filepath;
const char *cipher_list =
a->info->client_ssl_cipher_list;
memset(a->info, 0, sizeof(*a->info));
a->info->client_ssl_cert_filepath = cert_filepath;
a->info->client_ssl_private_key_filepath =
private_key_filepath;
a->info->client_ssl_ca_filepath = ca_filepath;
a->info->client_ssl_cipher_list = cipher_list;
a->info->options = LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT;
lws_init_vhost_client_ssl(a->info, vhost);
}
#endif
return 0;
}
if (reason == LEJPCB_OBJECT_END &&
ctx->path_match == LEJPVP_MOUNTS + 1) {
static const char * const mount_protocols[] = {
"http://",
"https://",
"file://",
"cgi://",
">http://",
">https://",
"callback://",
"gzip://",
};
if (!a->fresh_mount)
return 0;
if (!a->m.mountpoint || !a->m.origin) {
lwsl_err("mountpoint and origin required\n");
return 1;
}
lwsl_debug("adding mount %s\n", a->m.mountpoint);
m = lwsws_align(a);
memcpy(m, &a->m, sizeof(*m));
if (a->last)
a->last->mount_next = m;
for (n = 0; n < (int)LWS_ARRAY_SIZE(mount_protocols); n++)
if (!strncmp(a->m.origin, mount_protocols[n],
strlen(mount_protocols[n]))) {
lwsl_info("----%s\n", a->m.origin);
m->origin_protocol = n;
m->origin = a->m.origin +
strlen(mount_protocols[n]);
break;
}
if (n == (int)LWS_ARRAY_SIZE(mount_protocols)) {
lwsl_err("unsupported protocol:// %s\n", a->m.origin);
return 1;
}
a->p += sizeof(*m);
if (!a->head)
a->head = m;
a->last = m;
a->fresh_mount = 0;
}
/* we only match on the prepared path strings */
if (!(reason & LEJP_FLAG_CB_IS_VALUE) || !ctx->path_match)
return 0;
switch (ctx->path_match - 1) {
case LEJPVP_NAME:
a->info->vhost_name = a->p;
break;
case LEJPVP_PORT:
a->info->port = atoi(ctx->buf);
return 0;
case LEJPVP_INTERFACE:
a->info->iface = a->p;
break;
case LEJPVP_UNIXSKT:
if (arg_to_bool(ctx->buf))
a->info->options |= LWS_SERVER_OPTION_UNIX_SOCK;
else
a->info->options &= ~(LWS_SERVER_OPTION_UNIX_SOCK);
return 0;
case LEJPVP_UNIXSKT_PERMS:
a->info->unix_socket_perms = a->p;
break;
case LEJPVP_STS:
if (arg_to_bool(ctx->buf))
a->info->options |= LWS_SERVER_OPTION_STS;
else
a->info->options &= ~(LWS_SERVER_OPTION_STS);
return 0;
case LEJPVP_HOST_SSL_KEY:
a->info->ssl_private_key_filepath = a->p;
break;
case LEJPVP_HOST_SSL_CERT:
a->info->ssl_cert_filepath = a->p;
break;
case LEJPVP_HOST_SSL_CA:
a->info->ssl_ca_filepath = a->p;
break;
case LEJPVP_ACCESS_LOG:
a->info->log_filepath = a->p;
break;
case LEJPVP_MOUNTPOINT:
a->m.mountpoint = a->p;
a->m.mountpoint_len = (unsigned char)strlen(ctx->buf);
break;
case LEJPVP_ORIGIN:
if (!strncmp(ctx->buf, "callback://", 11))
a->m.protocol = a->p + 11;
if (!a->m.origin)
a->m.origin = a->p;
break;
case LEJPVP_DEFAULT:
a->m.def = a->p;
break;
case LEJPVP_DEFAULT_AUTH_MASK:
a->m.auth_mask = atoi(ctx->buf);
return 0;
case LEJPVP_MOUNT_CACHE_MAX_AGE:
a->m.cache_max_age = atoi(ctx->buf);
return 0;
case LEJPVP_MOUNT_CACHE_REUSE:
a->m.cache_reusable = arg_to_bool(ctx->buf);
return 0;
case LEJPVP_MOUNT_CACHE_REVALIDATE:
a->m.cache_revalidate = arg_to_bool(ctx->buf);
return 0;
case LEJPVP_MOUNT_CACHE_INTERMEDIARIES:
a->m.cache_intermediaries = arg_to_bool(ctx->buf);;
return 0;
case LEJPVP_MOUNT_BASIC_AUTH:
#if defined(LWS_WITH_HTTP_BASIC_AUTH)
a->m.basic_auth_login_file = a->p;
#endif
break;
case LEJPVP_CGI_TIMEOUT:
a->m.cgi_timeout = atoi(ctx->buf);
return 0;
case LEJPVP_KEEPALIVE_TIMEOUT:
a->info->keepalive_timeout = atoi(ctx->buf);
return 0;
#if defined(LWS_WITH_TLS)
case LEJPVP_CLIENT_CIPHERS:
a->info->client_ssl_cipher_list = a->p;
break;
#endif
case LEJPVP_CIPHERS:
a->info->ssl_cipher_list = a->p;
break;
case LEJPVP_TLS13_CIPHERS:
a->info->tls1_3_plus_cipher_list = a->p;
break;
case LEJPVP_CLIENT_TLS13_CIPHERS:
a->info->client_tls_1_3_plus_cipher_list = a->p;
break;
case LEJPVP_ECDH_CURVE:
a->info->ecdh_curve = a->p;
break;
case LEJPVP_PMO:
case LEJPVP_CGI_ENV:
mp_cgienv = lwsws_align(a);
a->p += sizeof(*a->m.cgienv);
mp_cgienv->next = a->m.cgienv;
a->m.cgienv = mp_cgienv;
n = lejp_get_wildcard(ctx, 0, a->p, lws_ptr_diff(a->end, a->p));
mp_cgienv->name = a->p;
a->p += n;
mp_cgienv->value = a->p;
mp_cgienv->options = NULL;
//lwsl_notice(" adding pmo / cgi-env '%s' = '%s'\n",
// mp_cgienv->name, mp_cgienv->value);
goto dostring;
case LEJPVP_PROTOCOL_NAME_OPT:
/* this catches, eg,
* vhosts[].ws-protocols[].xxx-protocol.yyy-option
* ie, these are options attached to a protocol with { }
*/
pvo = lwsws_align(a);
a->p += sizeof(*a->pvo);
n = lejp_get_wildcard(ctx, 1, a->p, lws_ptr_diff(a->end, a->p));
/* ie, enable this protocol, no options yet */
pvo->next = a->pvo->options;
a->pvo->options = pvo;
pvo->name = a->p;
a->p += n;
pvo->value = a->p;
pvo->options = NULL;
break;
case LEJPVP_MOUNT_EXTRA_MIMETYPES:
a->pvo_em = lwsws_align(a);
a->p += sizeof(*a->pvo_em);
n = lejp_get_wildcard(ctx, 0, a->p, lws_ptr_diff(a->end, a->p));
/* ie, enable this protocol, no options yet */
a->pvo_em->next = a->m.extra_mimetypes;
a->m.extra_mimetypes = a->pvo_em;
a->pvo_em->name = a->p;
lwsl_notice(" + extra-mimetypes %s -> %s\n", a->p, ctx->buf);
a->p += n;
a->pvo_em->value = a->p;
a->pvo_em->options = NULL;
break;
case LEJPVP_MOUNT_INTERPRET:
a->pvo_int = lwsws_align(a);
a->p += sizeof(*a->pvo_int);
n = lejp_get_wildcard(ctx, 0, a->p, lws_ptr_diff(a->end, a->p));
/* ie, enable this protocol, no options yet */
a->pvo_int->next = a->m.interpret;
a->m.interpret = a->pvo_int;
a->pvo_int->name = a->p;
lwsl_notice(" adding interpret %s -> %s\n", a->p,
ctx->buf);
a->p += n;
a->pvo_int->value = a->p;
a->pvo_int->options = NULL;
break;
case LEJPVP_ENABLE_CLIENT_SSL:
a->enable_client_ssl = arg_to_bool(ctx->buf);
return 0;
#if defined(LWS_WITH_TLS)
case LEJPVP_CLIENT_SSL_KEY:
a->info->client_ssl_private_key_filepath = a->p;
break;
case LEJPVP_CLIENT_SSL_CERT:
a->info->client_ssl_cert_filepath = a->p;
break;
case LEJPVP_CLIENT_SSL_CA:
a->info->client_ssl_ca_filepath = a->p;
break;
#endif
case LEJPVP_NOIPV6:
set_reset_flag(&a->info->options, ctx->buf,
LWS_SERVER_OPTION_DISABLE_IPV6);
return 0;
case LEJPVP_FLAG_ONLYRAW:
set_reset_flag(&a->info->options, ctx->buf,
LWS_SERVER_OPTION_ADOPT_APPLY_LISTEN_ACCEPT_CONFIG);
return 0;
case LEJPVP_IPV6ONLY:
a->info->options |= LWS_SERVER_OPTION_IPV6_V6ONLY_MODIFY;
set_reset_flag(&a->info->options, ctx->buf,
LWS_SERVER_OPTION_IPV6_V6ONLY_VALUE);
return 0;
case LEJPVP_FLAG_CLIENT_CERT_REQUIRED:
if (arg_to_bool(ctx->buf))
a->info->options |=
LWS_SERVER_OPTION_REQUIRE_VALID_OPENSSL_CLIENT_CERT;
return 0;
case LEJPVP_IGNORE_MISSING_CERT:
set_reset_flag(&a->info->options, ctx->buf,
LWS_SERVER_OPTION_IGNORE_MISSING_CERT);
return 0;
case LEJPVP_FLAG_STRICT_HOST_CHECK:
set_reset_flag(&a->info->options, ctx->buf,
LWS_SERVER_OPTION_VHOST_UPG_STRICT_HOST_CHECK);
return 0;
case LEJPVP_ERROR_DOCUMENT_404:
a->info->error_document_404 = a->p;
break;
case LEJPVP_SSL_OPTION_SET:
a->info->ssl_options_set |= atol(ctx->buf);
return 0;
case LEJPVP_SSL_OPTION_CLEAR:
a->info->ssl_options_clear |= atol(ctx->buf);
return 0;
case LEJPVP_SSL_CLIENT_OPTION_SET:
a->info->ssl_client_options_set |= atol(ctx->buf);
return 0;
case LEJPVP_SSL_CLIENT_OPTION_CLEAR:
a->info->ssl_client_options_clear |= atol(ctx->buf);
return 0;
case LEJPVP_ALPN:
a->info->alpn = a->p;
break;
case LEJPVP_LISTEN_ACCEPT_ROLE:
a->info->listen_accept_role = a->p;
break;
case LEJPVP_LISTEN_ACCEPT_PROTOCOL:
a->info->listen_accept_protocol = a->p;
break;
case LEJPVP_FLAG_APPLY_LISTEN_ACCEPT:
set_reset_flag(&a->info->options, ctx->buf,
LWS_SERVER_OPTION_ADOPT_APPLY_LISTEN_ACCEPT_CONFIG);
return 0;
case LEJPVP_FLAG_FALLBACK_LISTEN_ACCEPT:
lwsl_notice("vh %s: LEJPVP_FLAG_FALLBACK_LISTEN_ACCEPT: %s\n",
a->info->vhost_name, ctx->buf);
set_reset_flag(&a->info->options, ctx->buf,
LWS_SERVER_OPTION_FALLBACK_TO_APPLY_LISTEN_ACCEPT_CONFIG);
return 0;
case LEJPVP_FLAG_ALLOW_NON_TLS:
set_reset_flag(&a->info->options, ctx->buf,
LWS_SERVER_OPTION_ALLOW_NON_SSL_ON_SSL_PORT);
return 0;
case LEJPVP_FLAG_REDIRECT_HTTP:
set_reset_flag(&a->info->options, ctx->buf,
LWS_SERVER_OPTION_REDIRECT_HTTP_TO_HTTPS);
return 0;
case LEJPVP_FLAG_ALLOW_HTTP_ON_HTTPS:
set_reset_flag(&a->info->options, ctx->buf,
LWS_SERVER_OPTION_ALLOW_HTTP_ON_HTTPS_LISTENER);
return 0;
case LEJPVP_FLAG_DISABLE_NO_PROTOCOL_WS_UPGRADES:
a->reject_ws_with_no_protocol = 1;
return 0;
case LEJPVP_FLAG_H2_HALF_CLOSED_LONG_POLL:
set_reset_flag(&a->info->options, ctx->buf,
LWS_SERVER_OPTION_VH_H2_HALF_CLOSED_LONG_POLL);
return 0;
default:
return 0;
}
dostring:
p = ctx->buf;
p[LEJP_STRING_CHUNK] = '\0';
p1 = strstr(p, ESC_INSTALL_DATADIR);
if (p1) {
n = lws_ptr_diff(p1, p);
if (n > a->end - a->p)
n = lws_ptr_diff(a->end, a->p);
lws_strncpy(a->p, p, n + 1);
a->p += n;
a->p += lws_snprintf(a->p, a->end - a->p, "%s",
LWS_INSTALL_DATADIR);
p += n + strlen(ESC_INSTALL_DATADIR);
}
a->p += lws_snprintf(a->p, a->end - a->p, "%s", p);
if (reason == LEJPCB_VAL_STR_END)
*(a->p)++ = '\0';
return 0;
}
/*
* returns 0 = OK, 1 = can't open, 2 = parsing error
*/
static int
lwsws_get_config(void *user, const char *f, const char * const *paths,
int count_paths, lejp_callback cb)
{
unsigned char buf[128];
struct lejp_ctx ctx;
int n, m = 0, fd;
fd = lws_open(f, O_RDONLY);
if (fd < 0) {
lwsl_err("Cannot open %s\n", f);
return 2;
}
lwsl_info("%s: %s\n", __func__, f);
lejp_construct(&ctx, cb, user, paths, count_paths);
do {
n = read(fd, buf, sizeof(buf));
if (!n)
break;
m = (int)(signed char)lejp_parse(&ctx, buf, n);
} while (m == LEJP_CONTINUE);
close(fd);
n = ctx.line;
lejp_destruct(&ctx);
if (m < 0) {
lwsl_err("%s(%u): parsing error %d: %s\n", f, n, m,
lejp_error_to_string(m));
return 2;
}
return 0;
}
struct lws_dir_args {
void *user;
const char * const *paths;
int count_paths;
lejp_callback cb;
};
static int
lwsws_get_config_d_cb(const char *dirpath, void *user,
struct lws_dir_entry *lde)
{
struct lws_dir_args *da = (struct lws_dir_args *)user;
char path[256];
if (lde->type != LDOT_FILE && lde->type != LDOT_UNKNOWN /* ZFS */)
return 0;
lws_snprintf(path, sizeof(path) - 1, "%s/%s", dirpath, lde->name);
return lwsws_get_config(da->user, path, da->paths,
da->count_paths, da->cb);
}
int
lwsws_get_config_globals(struct lws_context_creation_info *info, const char *d,
char **cs, int *len)
{
struct lws_dir_args da;
struct jpargs a;
const char * const *old = info->plugin_dirs;
char dd[128];
memset(&a, 0, sizeof(a));
a.info = info;
a.p = *cs;
a.end = (a.p + *len) - 1;
a.valid = 0;
lwsws_align(&a);
info->plugin_dirs = (void *)a.p;
a.plugin_dirs = (void *)a.p; /* writeable version */
a.p += MAX_PLUGIN_DIRS * sizeof(void *);
/* copy any default paths */
while (old && *old) {
a.plugin_dirs[a.count_plugin_dirs++] = *old;
old++;
}
lws_snprintf(dd, sizeof(dd) - 1, "%s/conf", d);
if (lwsws_get_config(&a, dd, paths_global,
LWS_ARRAY_SIZE(paths_global), lejp_globals_cb) > 1)
return 1;
lws_snprintf(dd, sizeof(dd) - 1, "%s/conf.d", d);
da.user = &a;
da.paths = paths_global;
da.count_paths = LWS_ARRAY_SIZE(paths_global),
da.cb = lejp_globals_cb;
if (lws_dir(dd, &da, lwsws_get_config_d_cb) > 1)
return 1;
a.plugin_dirs[a.count_plugin_dirs] = NULL;
*cs = a.p;
*len = lws_ptr_diff(a.end, a.p);
return 0;
}
int
lwsws_get_config_vhosts(struct lws_context *context,
struct lws_context_creation_info *info, const char *d,
char **cs, int *len)
{
struct lws_dir_args da;
struct jpargs a;
char dd[128];
memset(&a, 0, sizeof(a));
a.info = info;
a.p = *cs;
a.end = a.p + *len;
a.valid = 0;
a.context = context;
a.protocols = info->protocols;
a.pprotocols = info->pprotocols;
a.extensions = info->extensions;
lws_snprintf(dd, sizeof(dd) - 1, "%s/conf", d);
if (lwsws_get_config(&a, dd, paths_vhosts,
LWS_ARRAY_SIZE(paths_vhosts), lejp_vhosts_cb) > 1)
return 1;
lws_snprintf(dd, sizeof(dd) - 1, "%s/conf.d", d);
da.user = &a;
da.paths = paths_vhosts;
da.count_paths = LWS_ARRAY_SIZE(paths_vhosts),
da.cb = lejp_vhosts_cb;
if (lws_dir(dd, &da, lwsws_get_config_d_cb) > 1)
return 1;
*cs = a.p;
*len = lws_ptr_diff(a.end, a.p);
if (!a.any_vhosts) {
lwsl_err("Need at least one vhost\n");
return 1;
}
// lws_finalize_startup(context);
return 0;
}