mirror of https://github.com/tmux/tmux.git
59 lines
1.6 KiB
C
59 lines
1.6 KiB
C
/* $OpenBSD$ */
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/*
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* Copyright (c) 2022 Nicholas Marriott <nicholas.marriott@gmail.com>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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#include <sys/un.h>
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#include <systemd/sd-daemon.h>
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#include "tmux.h"
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int
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systemd_create_socket(int flags, char **cause)
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{
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int fds;
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int fd;
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struct sockaddr_un sa;
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int addrlen = sizeof sa;
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fds = sd_listen_fds(0);
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if (fds > 1) { /* too many file descriptors */
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errno = E2BIG;
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goto fail;
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}
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if (fds == 1) { /* socket-activated */
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fd = SD_LISTEN_FDS_START;
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if (!sd_is_socket_unix(fd, SOCK_STREAM, 1, NULL, 0)) {
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errno = EPFNOSUPPORT;
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goto fail;
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}
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if (getsockname(fd, (struct sockaddr *)&sa, &addrlen) == -1)
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goto fail;
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socket_path = xstrdup(sa.sun_path);
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return (fd);
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}
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return (server_create_socket(flags, cause));
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fail:
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if (cause != NULL)
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xasprintf(cause, "systemd socket error (%s)", strerror(errno));
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return (-1);
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}
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