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-rw-r--r--rfcomm/main.c433
1 files changed, 433 insertions, 0 deletions
diff --git a/rfcomm/main.c b/rfcomm/main.c
new file mode 100644
index 00000000..2f793faa
--- /dev/null
+++ b/rfcomm/main.c
@@ -0,0 +1,433 @@
+/*
+ *
+ * RFCOMM configuration utility
+ *
+ * Copyright (C) 2002 Marcel Holtmann <marcel@holtmann.org>
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <malloc.h>
+#include <string.h>
+#include <getopt.h>
+#include <signal.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <sys/poll.h>
+#include <sys/param.h>
+#include <sys/ioctl.h>
+#include <sys/socket.h>
+
+#include <bluetooth/bluetooth.h>
+#include <bluetooth/hci.h>
+#include <bluetooth/hci_lib.h>
+#include <bluetooth/rfcomm.h>
+
+#include "kword.h"
+
+static char *rfcomm_config_file = NULL;
+
+extern int optind, opterr, optopt;
+extern char *optarg;
+
+static char *rfcomm_state[] = {
+ "unknown",
+ "connected",
+ "open",
+ "bound",
+ "listening",
+ "connecting",
+ "connecting",
+ "config",
+ "disconnecting",
+ "closed"
+};
+
+static volatile sig_atomic_t __io_canceled = 0;
+
+static void sig_hup(int sig)
+{
+ return;
+}
+
+static void sig_term(int sig)
+{
+ __io_canceled = 1;
+}
+
+static char *rfcomm_flagstostr(uint32_t flags)
+{
+ static char str[100];
+ str[0] = 0;
+
+ strcat(str, "[");
+
+ if (flags & (1 << RFCOMM_REUSE_DLC))
+ strcat(str, "reuse-dlc ");
+
+ if (flags & (1 << RFCOMM_RELEASE_ONHUP))
+ strcat(str, "release-on-hup ");
+
+ if (flags & (1 << RFCOMM_TTY_ATTACHED))
+ strcat(str, "tty-attached");
+
+ strcat(str, "]");
+ return str;
+}
+
+static void print_dev_info(struct rfcomm_dev_info *di)
+{
+ char src[18], dst[18], addr[100];
+
+ ba2str(&di->src, src); ba2str(&di->dst, dst);
+
+ if (bacmp(&di->src, BDADDR_ANY) == 0)
+ sprintf(addr, "%s", dst);
+ else
+ sprintf(addr, "%s -> %s", src, dst);
+
+ printf("rfcomm%d: %s channel %d %s %s\n",
+ di->id, addr, di->channel,
+ rfcomm_state[di->state],
+ di->flags ? rfcomm_flagstostr(di->flags) : "");
+}
+
+static void print_dev_list(int ctl, int flags)
+{
+ struct rfcomm_dev_list_req *dl;
+ struct rfcomm_dev_info *di;
+ int i;
+
+ dl = malloc(sizeof(*dl) + RFCOMM_MAX_DEV * sizeof(*di));
+ if (!dl) {
+ perror("Can't allocate memory");
+ exit(1);
+ }
+
+ dl->dev_num = RFCOMM_MAX_DEV;
+ di = dl->dev_info;
+
+ if (ioctl(ctl, RFCOMMGETDEVLIST, (void *) dl) < 0) {
+ perror("Can't get device list");
+ exit(1);
+ }
+
+ for (i = 0; i < dl->dev_num; i++)
+ print_dev_info(di + i);
+}
+
+static int create_dev(int ctl, int dev, int flags, bdaddr_t *bdaddr, int argc, char **argv)
+{
+ struct rfcomm_dev_req req;
+ int err;
+
+ memset(&req, 0, sizeof(req));
+ req.dev_id = dev;
+ req.flags = flags;
+ bacpy(&req.src, bdaddr);
+
+ if (argc < 2) {
+ if ((err = rfcomm_read_config(rfcomm_config_file)) < 0) {
+ perror("Can't open RFCOMM config file");
+ return err;
+ }
+
+ bacpy(&req.dst, &rfcomm_opts[dev].bdaddr);
+ req.channel = rfcomm_opts[dev].channel;
+
+ if (bacmp(&req.dst, BDADDR_ANY) == 0) {
+ fprintf(stderr, "Can't find a config entry for rfcomm%d\n", dev);
+ return -EFAULT;
+ }
+
+ } else {
+ str2ba(argv[1], &req.dst);
+
+ if (argc > 2)
+ req.channel = atoi(argv[2]);
+ else
+ req.channel = 1;
+ }
+
+ if ((err = ioctl(ctl, RFCOMMCREATEDEV, &req)) < 0 )
+ perror("Can't create device");
+
+ return err;
+}
+
+static int create_all(int ctl)
+{
+ struct rfcomm_dev_req req;
+ int i, err;
+
+ if ((err = rfcomm_read_config(rfcomm_config_file)) < 0) {
+ perror("Can't open RFCOMM config file");
+ return err;
+ }
+
+ for (i = 0; i < RFCOMM_MAX_DEV; i++) {
+ memset(&req, 0, sizeof(req));
+ req.dev_id = i;
+ req.flags = 0;
+ bacpy(&req.src, BDADDR_ANY);
+ bacpy(&req.dst, &rfcomm_opts[i].bdaddr);
+ req.channel = rfcomm_opts[i].channel;
+
+ if (bacmp(&req.dst, BDADDR_ANY) != 0)
+ ioctl(ctl, RFCOMMCREATEDEV, &req);
+ }
+
+ return 0;
+}
+
+static int release_dev(int ctl, int dev, int flags)
+{
+ struct rfcomm_dev_req req;
+ int err;
+
+ memset(&req, 0, sizeof(req));
+ req.dev_id = dev;
+
+ if ((err = ioctl(ctl, RFCOMMRELEASEDEV, &req)) < 0 )
+ perror("Can't release device");
+
+ return err;
+}
+
+static int release_all(int ctl)
+{
+ struct rfcomm_dev_list_req *dl;
+ struct rfcomm_dev_info *di;
+ int i;
+
+ dl = malloc(sizeof(*dl) + RFCOMM_MAX_DEV * sizeof(*di));
+ if (!dl) {
+ perror("Can't allocate memory");
+ exit(1);
+ }
+
+ dl->dev_num = RFCOMM_MAX_DEV;
+ di = dl->dev_info;
+
+ if (ioctl(ctl, RFCOMMGETDEVLIST, (void *) dl) < 0) {
+ perror("Can't get device list");
+ exit(1);
+ }
+
+ for (i = 0; i < dl->dev_num; i++)
+ release_dev(ctl, (di + i)->id, 0);
+
+ return 0;
+}
+
+static void cmd_connect(int ctl, int dev, bdaddr_t *bdaddr, int argc, char **argv)
+{
+ struct sigaction sa;
+ struct pollfd p;
+ char devname[MAXPATHLEN];
+ int fd;
+
+ if (create_dev(ctl, dev, 0, bdaddr, argc, argv) < 0)
+ return;
+
+ snprintf(devname, MAXPATHLEN - 1, "/dev/rfcomm%d", dev);
+ if ((fd = open(devname, O_RDONLY | O_NOCTTY)) < 0) {
+ perror("Can't open RFCOMM device");
+ goto release;
+ }
+
+ memset(&sa, 0, sizeof(sa));
+ sa.sa_flags = SA_NOCLDSTOP;
+ sa.sa_handler = SIG_IGN;
+ sigaction(SIGCHLD, &sa, NULL);
+ sigaction(SIGPIPE, &sa, NULL);
+
+ sa.sa_handler = sig_term;
+ sigaction(SIGTERM, &sa, NULL);
+ sigaction(SIGINT, &sa, NULL);
+
+ sa.sa_handler = sig_hup;
+ sigaction(SIGHUP, &sa, NULL);
+
+ p.fd = fd;
+ p.events = POLLHUP;
+
+ while (!__io_canceled) {
+ p.revents = 0;
+ poll(&p, 1, 100);
+ }
+
+ close(fd);
+
+release:
+ release_dev(ctl, dev, 0);
+}
+
+static void cmd_create(int ctl, int dev, bdaddr_t *bdaddr, int argc, char **argv)
+{
+ if (strcmp(argv[0], "all") == 0)
+ create_all(ctl);
+ else
+ create_dev(ctl, dev, 0, bdaddr, argc, argv);
+}
+
+static void cmd_release(int ctl, int dev, bdaddr_t *bdaddr, int argc, char **argv)
+{
+ if (strcmp(argv[0], "all") == 0)
+ release_all(ctl);
+ else
+ release_dev(ctl, dev, 0);
+}
+
+static void cmd_show(int ctl, int dev, bdaddr_t *bdaddr, int argc, char **argv)
+{
+ if (strcmp(argv[0], "all") == 0)
+ print_dev_list(ctl, 0);
+ else {
+ struct rfcomm_dev_info di = { id: atoi(argv[0]) };
+ if (ioctl(ctl, RFCOMMGETDEVINFO, &di) < 0) {
+ perror("Get info failed");
+ exit(1);
+ }
+
+ print_dev_info(&di);
+ }
+}
+
+struct {
+ char *cmd;
+ char *alt;
+ void (*func)(int ctl, int dev, bdaddr_t *bdaddr, int argc, char **argv);
+ char *opt;
+ char *doc;
+} command[] = {
+ { "bind", "create", cmd_create, "<dev> <bdaddr> [channel]", "Bind device" },
+ { "release", "unbind", cmd_release, "<dev>", "Release device" },
+ { "connect", "conn", cmd_connect, "<dev> <bdaddr> [channel]", "Connect device" },
+ { "show", "info", cmd_show, 0, "Show device" },
+ { NULL, NULL, NULL, 0, 0 }
+};
+
+static void usage(void)
+{
+ int i;
+
+ printf("RFCOMM configuration utility ver %s\n", VERSION);
+
+ printf("Usage:\n"
+ "\trfcomm [options] <command> <dev>\n"
+ "\n");
+
+ printf("Options:\n"
+ "\t-i [hciX|bdaddr] Local HCI device or BD Address\n"
+ "\t-h, --help Display help\n"
+ "\t-a Show all devices (default)\n"
+ "\n");
+
+ printf("Commands:\n");
+ for (i = 0; command[i].cmd; i++)
+ printf("\t%-8s %-24s\t%s\n",
+ command[i].cmd,
+ command[i].opt ? command[i].opt : " ",
+ command[i].doc);
+ printf("\n");
+}
+
+
+static struct option main_options[] = {
+ { "help", 0, 0, 'h' },
+ { "device", 1, 0, 'i' },
+ { "config", 1, 0, 'f' },
+ { 0, 0, 0, 0 }
+};
+
+int main(int argc, char *argv[])
+{
+
+ bdaddr_t bdaddr;
+ int i, opt, ctl, dev_id, show_all = 0;
+
+ bacpy(&bdaddr, BDADDR_ANY);
+
+ while ((opt = getopt_long(argc, argv, "+i:f:ah", main_options, NULL)) != -1) {
+ switch(opt) {
+ case 'i':
+ if (strncmp(optarg, "hci", 3) == 0)
+ hci_devba(atoi(optarg + 3), &bdaddr);
+ else
+ str2ba(optarg, &bdaddr);
+ break;
+
+ case 'f':
+ rfcomm_config_file = strdup(optarg);
+ break;
+
+ case 'a':
+ show_all = 1;
+ break;
+
+ case 'h':
+ usage();
+ exit(0);
+
+ default:
+ exit(0);
+ }
+ }
+
+ argc -= optind;
+ argv += optind;
+ optind = 0;
+
+ if (argc < 2)
+ show_all = 1;
+
+ if ((ctl = socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_RFCOMM)) < 0 ) {
+ perror("Can't open RFCOMM control socket");
+ exit(1);
+ }
+
+ if (show_all) {
+ print_dev_list(ctl, 0);
+ close(ctl);
+ exit(0);
+ }
+
+ if (strncmp(argv[1], "rfcomm", 6) == 0)
+ dev_id = atoi(argv[1] + 6);
+ else
+ dev_id = atoi(argv[1]);
+
+ for (i = 0; command[i].cmd; i++) {
+ if (strncmp(command[i].cmd, argv[0], 4) && strncmp(command[i].alt, argv[0], 4))
+ continue;
+ argc--;
+ argv++;
+ command[i].func(ctl, dev_id, &bdaddr, argc, argv);
+ close(ctl);
+ exit(0);
+ }
+
+ usage();
+
+ close(ctl);
+
+ return 0;
+}
generated by cgit (git 2.34.1) at 2025-10-31 09:03:55 +0000