diff options
Diffstat (limited to 'usr.sbin/bluetooth/l2control/l2control.c')
| -rw-r--r-- | usr.sbin/bluetooth/l2control/l2control.c | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/usr.sbin/bluetooth/l2control/l2control.c b/usr.sbin/bluetooth/l2control/l2control.c new file mode 100644 index 000000000000..7312371345ec --- /dev/null +++ b/usr.sbin/bluetooth/l2control/l2control.c @@ -0,0 +1,222 @@ +/*- + * l2control.c + * + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2001-2002 Maksim Yevmenkin <m_evmenkin@yahoo.com> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $Id: l2control.c,v 1.6 2003/09/05 00:38:25 max Exp $ + */ + +#include <assert.h> +#define L2CAP_SOCKET_CHECKED +#include <bluetooth.h> +#include <err.h> +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include "l2control.h" + +/* Prototypes */ +static int do_l2cap_command (bdaddr_p, int, char **); +static struct l2cap_command * find_l2cap_command (char const *, + struct l2cap_command *); +static void print_l2cap_command (struct l2cap_command *); +static void usage (void); + +/* Main */ + +int numeric_bdaddr = 0; + +int +main(int argc, char *argv[]) +{ + int n; + bdaddr_t bdaddr; + + memset(&bdaddr, 0, sizeof(bdaddr)); + + /* Process command line arguments */ + while ((n = getopt(argc, argv, "a:nh")) != -1) { + switch (n) { + case 'a': + if (!bt_aton(optarg, &bdaddr)) { + struct hostent *he = NULL; + + if ((he = bt_gethostbyname(optarg)) == NULL) + errx(1, "%s: %s", optarg, hstrerror(h_errno)); + + memcpy(&bdaddr, he->h_addr, sizeof(bdaddr)); + } + break; + + case 'n': + numeric_bdaddr = 1; + break; + + case 'h': + default: + usage(); + break; + } + } + + argc -= optind; + argv += optind; + + if (*argv == NULL) + usage(); + + return (do_l2cap_command(&bdaddr, argc, argv)); +} /* main */ + +/* Execute commands */ +static int +do_l2cap_command(bdaddr_p bdaddr, int argc, char **argv) +{ + char *cmd = argv[0]; + struct l2cap_command *c = NULL; + struct sockaddr_l2cap sa; + int s, e, help; + + help = 0; + if (strcasecmp(cmd, "help") == 0) { + argc --; + argv ++; + + if (argc <= 0) { + fprintf(stdout, "Supported commands:\n"); + print_l2cap_command(l2cap_commands); + fprintf(stdout, "\nFor more information use " \ + "'help command'\n"); + + return (OK); + } + + help = 1; + cmd = argv[0]; + } + + c = find_l2cap_command(cmd, l2cap_commands); + if (c == NULL) { + fprintf(stdout, "Unknown command: \"%s\"\n", cmd); + return (ERROR); + } + + if (!help) { + if (memcmp(bdaddr, NG_HCI_BDADDR_ANY, sizeof(*bdaddr)) == 0) + usage(); + + memset(&sa, 0, sizeof(sa)); + sa.l2cap_len = sizeof(sa); + sa.l2cap_family = AF_BLUETOOTH; + memcpy(&sa.l2cap_bdaddr, bdaddr, sizeof(sa.l2cap_bdaddr)); + + s = socket(PF_BLUETOOTH, SOCK_RAW, BLUETOOTH_PROTO_L2CAP); + if (s < 0) + err(1, "Could not create socket"); + + if (bind(s, (struct sockaddr *) &sa, sizeof(sa)) < 0) + err(2, +"Could not bind socket, bdaddr=%s", bt_ntoa(&sa.l2cap_bdaddr, NULL)); + + e = 0x0ffff; + if (setsockopt(s, SOL_SOCKET, SO_RCVBUF, &e, sizeof(e)) < 0) + err(3, "Could not setsockopt(RCVBUF, %d)", e); + + e = (c->handler)(s, -- argc, ++ argv); + + close(s); + } else + e = USAGE; + + switch (e) { + case OK: + case FAILED: + break; + + case ERROR: + fprintf(stdout, "Could not execute command \"%s\". %s\n", + cmd, strerror(errno)); + break; + + case USAGE: + fprintf(stdout, "Usage: %s\n%s\n", c->command, c->description); + break; + + default: assert(0); break; + } + + return (e); +} /* do_l2cap_command */ + +/* Try to find command in specified category */ +static struct l2cap_command * +find_l2cap_command(char const *command, struct l2cap_command *category) +{ + struct l2cap_command *c = NULL; + + for (c = category; c->command != NULL; c++) { + char *c_end = strchr(c->command, ' '); + + if (c_end != NULL) { + int len = c_end - c->command; + + if (strncasecmp(command, c->command, len) == 0) + return (c); + } else if (strcasecmp(command, c->command) == 0) + return (c); + } + + return (NULL); +} /* find_l2cap_command */ + +/* Print commands in specified category */ +static void +print_l2cap_command(struct l2cap_command *category) +{ + struct l2cap_command *c = NULL; + + for (c = category; c->command != NULL; c++) + fprintf(stdout, "\t%s\n", c->command); +} /* print_l2cap_command */ + +/* Usage */ +static void +usage(void) +{ + fprintf(stderr, "Usage: l2control [-hn] -a local cmd [params ..]\n"); + fprintf(stderr, "Where:\n"); + fprintf(stderr, " -a local Specify local device to connect to\n"); + fprintf(stderr, " -h Display this message\n"); + fprintf(stderr, " -n Show addresses as numbers\n"); + fprintf(stderr, " cmd Supported command " \ + "(see l2control help)\n"); + fprintf(stderr, " params Optional command parameters\n"); + exit(255); +} /* usage */ + |