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Makefile
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Makefile.depend
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l2cap.c
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l2control.8
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l2control.c
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l2control.h
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Editing: l2control.c
/*- * l2control.c * * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * 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 $ * $FreeBSD$ */ #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, "Coult 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 */
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