adaeb0d6d2
Use openpty(3) to open PTYs, to achieve compatibility with OpenBSD as posix_openpty() returns a file descriptor which does not block on read() nor select()
156 lines
3.9 KiB
C
156 lines
3.9 KiB
C
#define _GNU_SOURCE
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdarg.h>
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#include <util.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <patty/ax25.h>
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#include <patty/daemon.h>
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static void usage(int argc, char **argv, const char *message, ...) {
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if (message != NULL) {
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va_list args;
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va_start(args, message);
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vfprintf(stderr, message, args);
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fprintf(stderr, "\n");
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va_end(args);
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}
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fprintf(stderr, "usage: %s /dev/ttyXX|kiss.cap [path.sock] callsign\n", argv[0]);
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exit(1);
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}
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int main(int argc, char **argv) {
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patty_daemon *daemon;
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patty_ax25_if_kiss_tnc_info info = {
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.type = PATTY_AX25_IF_KISS_TNC_INFO_FD,
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.flags = PATTY_KISS_TNC_BAUD
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| PATTY_KISS_TNC_FLOW,
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.baud = B9600,
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.flow = PATTY_KISS_TNC_FLOW_CRTSCTS
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};
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if (argc < 2) {
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usage(argc, argv, "No TNC device or KISS dump file provided");
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} else if (argc < 3) {
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usage(argc, argv, "No socket path provided");
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} else if (argc < 4) {
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usage(argc, argv, "No station callsign provided");
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} else if (argc > 4) {
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usage(argc, argv, "Too many arguments provided");
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}
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if (strcmp(argv[1], "/dev/ptmx") == 0) {
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int ptysub;
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char ptyname[256];
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if (openpty(&info.fd, &ptysub, ptyname, NULL, NULL) < 0) {
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fprintf(stderr, "%s: %s: %s\n",
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argv[0], "openpty()", strerror(errno));
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goto error_open;
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}
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if (grantpt(info.fd) < 0) {
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fprintf(stderr, "%s: %s: %s: %s\n",
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argv[0], ptyname, "grantpt()", strerror(errno));
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goto error_grantpt;
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}
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if (unlockpt(info.fd) < 0) {
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fprintf(stderr, "%s: %s: %s: %s\n",
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argv[0], ptyname, "unlockpt()", strerror(errno));
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goto error_unlockpt;
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}
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fprintf(stderr, "pts %s\n", ptyname);
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} else {
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if ((info.fd = open(argv[1], O_RDWR | O_NOCTTY)) < 0) {
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fprintf(stderr, "%s: %s: %s: %s\n",
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argv[0], "open()", argv[1], strerror(errno));
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goto error_open;
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}
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}
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errno = 0;
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if ((daemon = patty_daemon_new()) == NULL) {
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fprintf(stderr, "%s: %s: %s\n",
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argv[0], "patty_daemon_new()", strerror(errno));
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goto error_daemon_new;
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}
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if (argc >= 3) {
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if (patty_daemon_set_sock_path(daemon, argv[2]) < 0) {
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fprintf(stderr, "%s: %s: %s\n",
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argv[0], "patty_daemon_set_sock_path()", strerror(errno));
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goto error_daemon_set_sock_path;
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}
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}
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if (patty_daemon_init(daemon) < 0) {
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fprintf(stderr, "%s: %s: %s\n",
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argv[0], "patty_daemon_init()", strerror(errno));
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goto error_daemon_init;
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}
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if (patty_daemon_if_add(daemon,
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PATTY_AX25_IF_KISS_TNC,
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(patty_ax25_if_info *)&info,
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argv[3]) < 0) {
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fprintf(stderr, "%s: %s: %s\n",
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argv[0], "patty_daemon_if_add()", strerror(errno));
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goto error_daemon_if_add;
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}
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if (patty_daemon_route_add_default(daemon, "kiss0") < 0) {
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fprintf(stderr, "%s: %s: %s\n",
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argv[0], "patty_daemon_route_add_default()", strerror(errno));
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goto error_daemon_route_add_default;
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}
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if (patty_daemon_run(daemon) < 0) {
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fprintf(stderr, "%s: %s: %s: %s\n",
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argv[0], argv[1], "patty_daemon_run()", strerror(errno));
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goto error_daemon_run;
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}
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patty_daemon_destroy(daemon);
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return 0;
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error_daemon_run:
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error_daemon_route_add_default:
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error_daemon_if_add:
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error_daemon_set_sock_path:
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error_daemon_init:
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patty_daemon_destroy(daemon);
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error_daemon_new:
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error_grantpt:
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error_unlockpt:
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close(info.fd);
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error_open:
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return 1;
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}
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