mirror of
https://libwebsockets.org/repo/libwebsockets
synced 2024-11-22 00:57:52 +00:00
86 lines
2.8 KiB
C
86 lines
2.8 KiB
C
/*
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* libwebsockets - small server side websockets and web server implementation
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*
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* Copyright (C) 2010 - 2024 Andy Green <andy@warmcat.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#if !defined(_GNU_SOURCE)
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#define _GNU_SOURCE
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#endif
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#include <sys/socket.h>
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#include <systemd/sd-daemon.h>
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#include "private-lib-core.h"
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int
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lws_systemd_inherited_fd(unsigned int index,
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struct lws_context_creation_info *info)
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{
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unsigned int inherited = (unsigned int)sd_listen_fds(0);
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if (index >= inherited)
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return -1;
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info->vh_listen_sockfd = (int)(SD_LISTEN_FDS_START + index);
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if (sd_is_socket_unix(info->vh_listen_sockfd, 0, 0, NULL, 0)) {
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info->options |= LWS_SERVER_OPTION_UNIX_SOCK;
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info->port = 0;
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}
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if (sd_is_socket_inet(info->vh_listen_sockfd, AF_UNSPEC, 0, 1, 0)) {
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struct sockaddr_storage addr;
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socklen_t addrlen = sizeof(addr);
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if (getsockname(info->vh_listen_sockfd,
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(struct sockaddr *)&addr, &addrlen)) {
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lwsl_err("%s: getsockname failed for fd %d\n",
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__func__, info->vh_listen_sockfd);
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return -1;
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}
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switch (((struct sockaddr *)&addr)->sa_family) {
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case AF_INET:
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info->port = ntohs(((struct sockaddr_in *)&addr)->sin_port);
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lwsl_info("%s: inet socket %d\n", __func__, info->port);
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break;
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case AF_INET6:
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info->port = ntohs(((struct sockaddr_in6 *)&addr)->sin6_port);
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lwsl_info("%s: inet6 socket %d\n", __func__, info->port);
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break;
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}
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if (sd_is_socket_inet(info->vh_listen_sockfd, AF_INET6, 0, 1, 0))
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info->options |= LWS_SERVER_OPTION_IPV6_V6ONLY_MODIFY |
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LWS_SERVER_OPTION_IPV6_V6ONLY_VALUE;
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if (sd_is_socket_inet(info->vh_listen_sockfd, AF_INET, 0, 1, 0)) {
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info->options &= (uint64_t)~(LWS_SERVER_OPTION_IPV6_V6ONLY_MODIFY |
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LWS_SERVER_OPTION_IPV6_V6ONLY_VALUE);
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info->options |= LWS_SERVER_OPTION_DISABLE_IPV6;
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}
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}
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return 0;
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}
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