diff options
Diffstat (limited to 'usr.sbin/bluetooth/rfcomm_pppd/rfcomm_pppd.c')
| -rw-r--r-- | usr.sbin/bluetooth/rfcomm_pppd/rfcomm_pppd.c | 471 |
1 files changed, 0 insertions, 471 deletions
diff --git a/usr.sbin/bluetooth/rfcomm_pppd/rfcomm_pppd.c b/usr.sbin/bluetooth/rfcomm_pppd/rfcomm_pppd.c deleted file mode 100644 index 956dc4d..0000000 --- a/usr.sbin/bluetooth/rfcomm_pppd/rfcomm_pppd.c +++ /dev/null @@ -1,471 +0,0 @@ -/* - * rfcomm_pppd.c - */ - -/*- - * Copyright (c) 2001-2008 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: rfcomm_pppd.c,v 1.5 2003/09/07 18:32:11 max Exp $ - * $FreeBSD$ - */ - -#include <bluetooth.h> -#include <ctype.h> -#include <err.h> -#include <errno.h> -#include <fcntl.h> -#include <sdp.h> -#include <signal.h> -#include <stdarg.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <syslog.h> -#include <unistd.h> - -#define RFCOMM_PPPD "rfcomm_pppd" - -int rfcomm_channel_lookup (bdaddr_t const *local, - bdaddr_t const *remote, - int service, int *channel, int *error); - -static void exec_ppp (int s, char *unit, char *label); -static void sighandler (int s); -static void usage (void); - -static int done; - -/* Main */ -int -main(int argc, char *argv[]) -{ - struct sockaddr_rfcomm sock_addr; - char *label = NULL, *unit = NULL, *ep = NULL; - bdaddr_t addr; - int s, channel, detach, server, service, - regdun, regsp; - pid_t pid; - - memcpy(&addr, NG_HCI_BDADDR_ANY, sizeof(addr)); - channel = 0; - detach = 1; - server = 0; - service = 0; - regdun = 0; - regsp = 0; - - /* Parse command line arguments */ - while ((s = getopt(argc, argv, "a:cC:dDhl:sSu:")) != -1) { - switch (s) { - case 'a': /* BDADDR */ - if (!bt_aton(optarg, &addr)) { - struct hostent *he = NULL; - - if ((he = bt_gethostbyname(optarg)) == NULL) - errx(1, "%s: %s", optarg, hstrerror(h_errno)); - - memcpy(&addr, he->h_addr, sizeof(addr)); - } - break; - - case 'c': /* client */ - server = 0; - break; - - case 'C': /* RFCOMM channel */ - channel = strtoul(optarg, &ep, 10); - if (*ep != '\0') { - channel = 0; - switch (tolower(optarg[0])) { - case 'd': /* DialUp Networking */ - service = SDP_SERVICE_CLASS_DIALUP_NETWORKING; - break; - - case 'l': /* LAN Access Using PPP */ - service = SDP_SERVICE_CLASS_LAN_ACCESS_USING_PPP; - break; - } - } - break; - - case 'd': /* do not detach */ - detach = 0; - break; - - case 'D': /* Register DUN service as well as LAN service */ - regdun = 1; - break; - - case 'l': /* PPP label */ - label = optarg; - break; - - case 's': /* server */ - server = 1; - break; - - case 'S': /* Register SP service as well as LAN service */ - regsp = 1; - break; - - case 'u': /* PPP -unit option */ - strtoul(optarg, &ep, 10); - if (*ep != '\0') - usage(); - /* NOT REACHED */ - - unit = optarg; - break; - - case 'h': - default: - usage(); - /* NOT REACHED */ - } - } - - /* Check if we got everything we wanted */ - if (label == NULL) - errx(1, "Must specify PPP label"); - - if (!server) { - if (memcmp(&addr, NG_HCI_BDADDR_ANY, sizeof(addr)) == 0) - errx(1, "Must specify server BD_ADDR"); - - /* Check channel, if was not set then obtain it via SDP */ - if (channel == 0 && service != 0) - if (rfcomm_channel_lookup(NULL, &addr, service, - &channel, &s) != 0) - errc(1, s, "Could not obtain RFCOMM channel"); - } - - if (channel <= 0 || channel > 30) - errx(1, "Invalid RFCOMM channel number %d", channel); - - openlog(RFCOMM_PPPD, LOG_PID | LOG_PERROR | LOG_NDELAY, LOG_USER); - - if (detach && daemon(0, 0) < 0) { - syslog(LOG_ERR, "Could not daemon(0, 0). %s (%d)", - strerror(errno), errno); - exit(1); - } - - s = socket(PF_BLUETOOTH, SOCK_STREAM, BLUETOOTH_PROTO_RFCOMM); - if (s < 0) { - syslog(LOG_ERR, "Could not create socket. %s (%d)", - strerror(errno), errno); - exit(1); - } - - if (server) { - struct sigaction sa; - void *ss = NULL; - sdp_lan_profile_t lan; - - /* Install signal handler */ - memset(&sa, 0, sizeof(sa)); - sa.sa_handler = sighandler; - - if (sigaction(SIGTERM, &sa, NULL) < 0) { - syslog(LOG_ERR, "Could not sigaction(SIGTERM). %s (%d)", - strerror(errno), errno); - exit(1); - } - - if (sigaction(SIGHUP, &sa, NULL) < 0) { - syslog(LOG_ERR, "Could not sigaction(SIGHUP). %s (%d)", - strerror(errno), errno); - exit(1); - } - - if (sigaction(SIGINT, &sa, NULL) < 0) { - syslog(LOG_ERR, "Could not sigaction(SIGINT). %s (%d)", - strerror(errno), errno); - exit(1); - } - - sa.sa_handler = SIG_IGN; - sa.sa_flags = SA_NOCLDWAIT; - - if (sigaction(SIGCHLD, &sa, NULL) < 0) { - syslog(LOG_ERR, "Could not sigaction(SIGCHLD). %s (%d)", - strerror(errno), errno); - exit(1); - } - - /* bind socket and listen for incoming connections */ - sock_addr.rfcomm_len = sizeof(sock_addr); - sock_addr.rfcomm_family = AF_BLUETOOTH; - memcpy(&sock_addr.rfcomm_bdaddr, &addr, - sizeof(sock_addr.rfcomm_bdaddr)); - sock_addr.rfcomm_channel = channel; - - if (bind(s, (struct sockaddr *) &sock_addr, - sizeof(sock_addr)) < 0) { - syslog(LOG_ERR, "Could not bind socket. %s (%d)", - strerror(errno), errno); - exit(1); - } - - if (listen(s, 10) < 0) { - syslog(LOG_ERR, "Could not listen on socket. %s (%d)", - strerror(errno), errno); - exit(1); - } - - ss = sdp_open_local(NULL); - if (ss == NULL) { - syslog(LOG_ERR, "Unable to create local SDP session"); - exit(1); - } - - if (sdp_error(ss) != 0) { - syslog(LOG_ERR, "Unable to open local SDP session. " \ - "%s (%d)", strerror(sdp_error(ss)), - sdp_error(ss)); - exit(1); - } - - memset(&lan, 0, sizeof(lan)); - lan.server_channel = channel; - - if (sdp_register_service(ss, - SDP_SERVICE_CLASS_LAN_ACCESS_USING_PPP, - &addr, (void *) &lan, sizeof(lan), NULL) != 0) { - syslog(LOG_ERR, "Unable to register LAN service with " \ - "local SDP daemon. %s (%d)", - strerror(sdp_error(ss)), sdp_error(ss)); - exit(1); - } - - /* - * Register DUN (Dial-Up Networking) service on the same - * RFCOMM channel if requested. There is really no good reason - * to not to support this. AT-command exchange can be faked - * with chat script in ppp.conf - */ - - if (regdun) { - sdp_dun_profile_t dun; - - memset(&dun, 0, sizeof(dun)); - dun.server_channel = channel; - - if (sdp_register_service(ss, - SDP_SERVICE_CLASS_DIALUP_NETWORKING, - &addr, (void *) &dun, sizeof(dun), - NULL) != 0) { - syslog(LOG_ERR, "Unable to register DUN " \ - "service with local SDP daemon. " \ - "%s (%d)", strerror(sdp_error(ss)), - sdp_error(ss)); - exit(1); - } - } - - /* - * Register SP (Serial Port) service on the same RFCOMM channel - * if requested. It appears that some cell phones are using so - * called "callback mechanism". In this scenario user is trying - * to connect his cell phone to the Internet, and, user's host - * computer is acting as the gateway server. It seems that it - * is not possible to tell the phone to just connect and start - * using the LAN service. Instead the user's host computer must - * "jump start" the phone by connecting to the phone's SP - * service. What happens next is the phone kills the existing - * connection and opens another connection back to the user's - * host computer. The phone really wants to use LAN service, - * but for whatever reason it looks for SP service on the - * user's host computer. This brain damaged behavior was - * reported for Nokia 6600 and Sony/Ericsson P900. Both phones - * are Symbian-based phones. Perhaps this is a Symbian problem? - */ - - if (regsp) { - sdp_sp_profile_t sp; - - memset(&sp, 0, sizeof(sp)); - sp.server_channel = channel; - - if (sdp_register_service(ss, - SDP_SERVICE_CLASS_SERIAL_PORT, - &addr, (void *) &sp, sizeof(sp), - NULL) != 0) { - syslog(LOG_ERR, "Unable to register SP " \ - "service with local SDP daemon. " \ - "%s (%d)", strerror(sdp_error(ss)), - sdp_error(ss)); - exit(1); - } - } - - for (done = 0; !done; ) { - socklen_t len = sizeof(sock_addr); - int s1 = accept(s, (struct sockaddr *) &sock_addr, &len); - - if (s1 < 0) { - syslog(LOG_ERR, "Could not accept connection " \ - "on socket. %s (%d)", strerror(errno), - errno); - exit(1); - } - - pid = fork(); - if (pid == (pid_t) -1) { - syslog(LOG_ERR, "Could not fork(). %s (%d)", - strerror(errno), errno); - exit(1); - } - - if (pid == 0) { - sdp_close(ss); - close(s); - - /* Reset signal handler */ - memset(&sa, 0, sizeof(sa)); - sa.sa_handler = SIG_DFL; - - sigaction(SIGTERM, &sa, NULL); - sigaction(SIGHUP, &sa, NULL); - sigaction(SIGINT, &sa, NULL); - sigaction(SIGCHLD, &sa, NULL); - - /* Become daemon */ - daemon(0, 0); - - /* - * XXX Make sure user does not shoot himself - * in the foot. Do not pass unit option to the - * PPP when operating in the server mode. - */ - - exec_ppp(s1, NULL, label); - } else - close(s1); - } - } else { - sock_addr.rfcomm_len = sizeof(sock_addr); - sock_addr.rfcomm_family = AF_BLUETOOTH; - memcpy(&sock_addr.rfcomm_bdaddr, NG_HCI_BDADDR_ANY, - sizeof(sock_addr.rfcomm_bdaddr)); - sock_addr.rfcomm_channel = 0; - - if (bind(s, (struct sockaddr *) &sock_addr, - sizeof(sock_addr)) < 0) { - syslog(LOG_ERR, "Could not bind socket. %s (%d)", - strerror(errno), errno); - exit(1); - } - - memcpy(&sock_addr.rfcomm_bdaddr, &addr, - sizeof(sock_addr.rfcomm_bdaddr)); - sock_addr.rfcomm_channel = channel; - - if (connect(s, (struct sockaddr *) &sock_addr, - sizeof(sock_addr)) < 0) { - syslog(LOG_ERR, "Could not connect socket. %s (%d)", - strerror(errno), errno); - exit(1); - } - - exec_ppp(s, unit, label); - } - - exit(0); -} /* main */ - -/* - * Redirects stdin/stdout to s, stderr to /dev/null and exec - * 'ppp -direct -quiet [-unit N] label'. Never returns. - */ - -static void -exec_ppp(int s, char *unit, char *label) -{ - char ppp[] = "/usr/sbin/ppp"; - char *ppp_args[] = { ppp, "-direct", "-quiet", - NULL, NULL, NULL, NULL }; - - close(0); - if (dup(s) < 0) { - syslog(LOG_ERR, "Could not dup(0). %s (%d)", - strerror(errno), errno); - exit(1); - } - - close(1); - if (dup(s) < 0) { - syslog(LOG_ERR, "Could not dup(1). %s (%d)", - strerror(errno), errno); - exit(1); - } - - close(2); - open("/dev/null", O_RDWR); - - if (unit != NULL) { - ppp_args[3] = "-unit"; - ppp_args[4] = unit; - ppp_args[5] = label; - } else - ppp_args[3] = label; - - if (execv(ppp, ppp_args) < 0) { - syslog(LOG_ERR, "Could not exec(%s -direct -quiet%s%s %s). " \ - "%s (%d)", ppp, (unit != NULL)? " -unit " : "", - (unit != NULL)? unit : "", label, - strerror(errno), errno); - exit(1); - } -} /* run_ppp */ - -/* Signal handler */ -static void -sighandler(int s) -{ - done = 1; -} /* sighandler */ - -/* Display usage and exit */ -static void -usage(void) -{ - fprintf(stdout, -"Usage: %s options\n" \ -"Where options are:\n" \ -"\t-a address Address to listen on or connect to (required for client)\n" \ -"\t-c Act as a clinet (default)\n" \ -"\t-C channel RFCOMM channel to listen on or connect to (required)\n" \ -"\t-d Run in foreground\n" \ -"\t-D Register Dial-Up Networking service (server mode only)\n" \ -"\t-l label Use PPP label (required)\n" \ -"\t-s Act as a server\n" \ -"\t-S Register Serial Port service (server mode only)\n" \ -"\t-u N Tell PPP to operate on /dev/tunN (client mode only)\n" \ -"\t-h Display this message\n", RFCOMM_PPPD); - - exit(255); -} /* usage */ - |
