mirror of
https://github.com/token2/fido2-manage.git
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77 lines
1.4 KiB
C
77 lines
1.4 KiB
C
/*
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* Copyright (c) 2020 Yubico AB. All rights reserved.
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* Use of this source code is governed by a BSD-style
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* license that can be found in the LICENSE file.
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <sys/stat.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <poll.h>
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#include <unistd.h>
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#include "fido.h"
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#ifdef __NetBSD__
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#define ppoll pollts
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#endif
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int
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fido_hid_unix_open(const char *path)
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{
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int fd;
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struct stat st;
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if ((fd = open(path, O_RDWR)) == -1) {
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if (errno != ENOENT && errno != ENXIO)
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fido_log_error(errno, "%s: open %s", __func__, path);
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return (-1);
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}
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if (fstat(fd, &st) == -1) {
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fido_log_error(errno, "%s: fstat %s", __func__, path);
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if (close(fd) == -1)
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fido_log_error(errno, "%s: close", __func__);
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return (-1);
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}
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if (S_ISCHR(st.st_mode) == 0) {
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fido_log_debug("%s: S_ISCHR %s", __func__, path);
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if (close(fd) == -1)
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fido_log_error(errno, "%s: close", __func__);
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return (-1);
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}
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return (fd);
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}
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int
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fido_hid_unix_wait(int fd, int ms, const fido_sigset_t *sigmask)
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{
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struct timespec ts;
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struct pollfd pfd;
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int r;
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memset(&pfd, 0, sizeof(pfd));
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pfd.events = POLLIN;
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pfd.fd = fd;
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#ifdef FIDO_FUZZ
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return (0);
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#endif
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if (ms > -1) {
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ts.tv_sec = ms / 1000;
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ts.tv_nsec = (ms % 1000) * 1000000;
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}
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if ((r = ppoll(&pfd, 1, ms > -1 ? &ts : NULL, sigmask)) < 1) {
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if (r == -1)
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fido_log_error(errno, "%s: ppoll", __func__);
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return (-1);
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}
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return (0);
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}
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