Date: Thu, 23 Oct 2014 15:16:41 +0000 (UTC) From: Maksim Yevmenkin <emax@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r273548 - head/usr.bin/bluetooth/rfcomm_sppd Message-ID: <201410231516.s9NFGfqq093145@svn.freebsd.org>
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Author: emax Date: Thu Oct 23 15:16:40 2014 New Revision: 273548 URL: https://svnweb.freebsd.org/changeset/base/273548 Log: Change the code to use the openpty(3) API which uses the pts(4) driver instead of the pty(4) driver. PR: 184597 Submitted by: tobias.rehbein MFC after: 2 weeks Modified: head/usr.bin/bluetooth/rfcomm_sppd/Makefile head/usr.bin/bluetooth/rfcomm_sppd/rfcomm_sppd.1 head/usr.bin/bluetooth/rfcomm_sppd/rfcomm_sppd.c Modified: head/usr.bin/bluetooth/rfcomm_sppd/Makefile ============================================================================== --- head/usr.bin/bluetooth/rfcomm_sppd/Makefile Thu Oct 23 14:29:52 2014 (r273547) +++ head/usr.bin/bluetooth/rfcomm_sppd/Makefile Thu Oct 23 15:16:40 2014 (r273548) @@ -6,6 +6,6 @@ SRCS= rfcomm_sppd.c rfcomm_sdp.c WARNS?= 2 DPADD= ${LIBBLUETOOTH} ${LIBSDP} -LDADD= -lbluetooth -lsdp +LDADD= -lbluetooth -lsdp -lutil .include <bsd.prog.mk> Modified: head/usr.bin/bluetooth/rfcomm_sppd/rfcomm_sppd.1 ============================================================================== --- head/usr.bin/bluetooth/rfcomm_sppd/rfcomm_sppd.1 Thu Oct 23 14:29:52 2014 (r273547) +++ head/usr.bin/bluetooth/rfcomm_sppd/rfcomm_sppd.1 Thu Oct 23 15:16:40 2014 (r273548) @@ -33,10 +33,9 @@ .Nd RFCOMM Serial Port Profile daemon .Sh SYNOPSIS .Nm -.Op Fl bhS +.Op Fl bhtS .Fl a Ar address .Fl c Ar channel -.Op Fl t Ar tty .Sh DESCRIPTION The .Nm @@ -53,7 +52,7 @@ Once connection is established, the .Nm utility provides access to the server's remote serial port via stdin/stdout or via -.Xr pty 4 +.Xr pts 4 interface if .Fl t option was specified. @@ -72,8 +71,7 @@ daemon. If .Fl t options was specified, -the server side of the virtual serial port is attached to the pseudo-terminal -.Ar tty . +the server side of the virtual serial port is attached to a pseudo-terminal. Otherwise the virtual serial port is attached to the stdin/stdout. .Nm should be run as root in order to communicate with @@ -146,24 +144,22 @@ Display usage message and exit. .It Fl S Server mode; see .Sx DESCRIPTION . -.It Fl t Ar tty -Slave pseudo tty name. +.It Fl t +Use slave pseudo tty. If not set stdin/stdout will be used. This option is required if .Fl b option was specified. .El .Sh FILES -.Bl -tag -width ".Pa /dev/tty[p-sP-S][0-9a-v]" -compact -.It Pa /dev/pty[p-sP-S][0-9a-v] -master pseudo terminals -.It Pa /dev/tty[p-sP-S][0-9a-v] +.Bl -tag -width ".Pa /dev/pts/[num]" -compact +.It Pa /dev/pts/[num] slave pseudo terminals .El .Sh EXIT STATUS .Ex -std .Sh EXAMPLES -.Dl "rfcomm_sppd -a 00:01:02:03:04:05 -c 1 -t /dev/ttyp1" +.Dl "rfcomm_sppd -a 00:01:02:03:04:05 -c 1 -t" .Pp Will start the .Nm @@ -171,13 +167,17 @@ utility and open RFCOMM connection to th .Li 00:01:02:03:04:05 and channel .Li 1 . -Once the connection has been established, -.Pa /dev/ttyp1 +Once the connection has been established, a +.Xr pts 4 can be used to talk to the remote serial port on the server. +.Nm +prints the name of the +.Xr pts 4 +to use on stdout. .Sh SEE ALSO .Xr bluetooth 3 , .Xr ng_btsocket 4 , -.Xr pty 4 , +.Xr pts 4 , .Xr rfcomm_pppd 8 , .Xr sdpd 8 .Sh AUTHORS Modified: head/usr.bin/bluetooth/rfcomm_sppd/rfcomm_sppd.c ============================================================================== --- head/usr.bin/bluetooth/rfcomm_sppd/rfcomm_sppd.c Thu Oct 23 14:29:52 2014 (r273547) +++ head/usr.bin/bluetooth/rfcomm_sppd/rfcomm_sppd.c Thu Oct 23 15:16:40 2014 (r273548) @@ -32,6 +32,7 @@ */ #include <sys/stat.h> +#include <sys/types.h> #include <bluetooth.h> #include <ctype.h> #include <err.h> @@ -49,6 +50,7 @@ #include <syslog.h> #include <termios.h> #include <unistd.h> +#include <libutil.h> #define SPPD_IDENT "rfcomm_sppd" #define SPPD_BUFFER_SIZE 1024 @@ -58,7 +60,7 @@ int rfcomm_channel_lookup (bdaddr_t con bdaddr_t const *remote, int service, int *channel, int *error); -static int sppd_ttys_open (char const *tty, int *amaster, int *aslave); +static int sppd_ttys_open (char **tty, int *amaster, int *aslave); static int sppd_read (int fd, char *buffer, int size); static int sppd_write (int fd, char *buffer, int size); static void sppd_sighandler (int s); @@ -74,7 +76,8 @@ main(int argc, char *argv[]) struct sockaddr_rfcomm ra; bdaddr_t addr; int n, background, channel, service, - s, amaster, aslave, fd, doserver; + s, amaster, aslave, fd, doserver, + dopty; fd_set rfd; char *tty = NULL, *ep = NULL, buf[SPPD_BUFFER_SIZE]; @@ -82,9 +85,10 @@ main(int argc, char *argv[]) background = channel = 0; service = SDP_SERVICE_CLASS_SERIAL_PORT; doserver = 0; + dopty = 0; /* Parse command line options */ - while ((n = getopt(argc, argv, "a:bc:t:hS")) != -1) { + while ((n = getopt(argc, argv, "a:bc:thS")) != -1) { switch (n) { case 'a': /* BDADDR */ if (!bt_aton(optarg, &addr)) { @@ -130,11 +134,8 @@ main(int argc, char *argv[]) background = 1; break; - case 't': /* Slave TTY name */ - if (optarg[0] != '/') - asprintf(&tty, "%s%s", _PATH_DEV, optarg); - else - tty = optarg; + case 't': /* Open pseudo TTY */ + dopty = 1; break; case 'S': @@ -173,18 +174,18 @@ main(int argc, char *argv[]) err(1, "Could not sigaction(SIGCHLD)"); /* Open TTYs */ - if (tty == NULL) { + if (dopty) { + if (sppd_ttys_open(&tty, &amaster, &aslave) < 0) + exit(1); + + fd = amaster; + } else { if (background) usage(); amaster = STDIN_FILENO; fd = STDOUT_FILENO; - } else { - if (sppd_ttys_open(tty, &amaster, &aslave) < 0) - exit(1); - - fd = amaster; - } + } /* Open RFCOMM connection */ @@ -287,6 +288,10 @@ main(int argc, char *argv[]) openlog(SPPD_IDENT, LOG_NDELAY|LOG_PERROR|LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "Starting on %s...", (tty != NULL)? tty : "stdin/stdout"); + /* Print used tty on stdout for wrappers to pick up */ + if (!background) + fprintf(stdout, "%s\n", tty); + for (done = 0; !done; ) { FD_ZERO(&rfd); FD_SET(amaster, &rfd); @@ -359,70 +364,20 @@ main(int argc, char *argv[]) /* Open TTYs */ static int -sppd_ttys_open(char const *tty, int *amaster, int *aslave) +sppd_ttys_open(char **tty, int *amaster, int *aslave) { - char pty[PATH_MAX], *slash; - struct group *gr = NULL; - gid_t ttygid; + char pty[PATH_MAX]; struct termios tio; - /* - * Construct master PTY name. The slave tty name must be less then - * PATH_MAX characters in length, must contain '/' character and - * must not end with '/'. - */ - - if (strlen(tty) >= sizeof(pty)) { - syslog(LOG_ERR, "Slave tty name is too long"); - return (-1); - } - - strlcpy(pty, tty, sizeof(pty)); - slash = strrchr(pty, '/'); - if (slash == NULL || slash[1] == '\0') { - syslog(LOG_ERR, "Invalid slave tty name (%s)", tty); - return (-1); - } - - slash[1] = 'p'; - - if (strcmp(pty, tty) == 0) { - syslog(LOG_ERR, "Master and slave tty are the same (%s)", tty); - return (-1); - } - - if ((*amaster = open(pty, O_RDWR, 0)) < 0) { - syslog(LOG_ERR, "Could not open(%s). %s", pty, strerror(errno)); - return (-1); - } - - /* - * Slave TTY - */ - - if ((gr = getgrnam("tty")) != NULL) - ttygid = gr->gr_gid; - else - ttygid = -1; - - (void) chown(tty, getuid(), ttygid); - (void) chmod(tty, S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP); - (void) revoke(tty); + cfmakeraw(&tio); - if ((*aslave = open(tty, O_RDWR, 0)) < 0) { - syslog(LOG_ERR, "Could not open(%s). %s", tty, strerror(errno)); - close(*amaster); + if (openpty(amaster, aslave, pty, &tio, NULL) == -1) { + syslog(LOG_ERR, "Could not openpty(). %s", strerror(errno)); return (-1); } - /* - * Make slave TTY raw - */ - - cfmakeraw(&tio); - - if (tcsetattr(*aslave, TCSANOW, &tio) < 0) { - syslog(LOG_ERR, "Could not tcsetattr(). %s", strerror(errno)); + if ((*tty = strdup(pty)) == NULL) { + syslog(LOG_ERR, "Could not strdup(). %s", strerror(errno)); close(*aslave); close(*amaster); return (-1); @@ -496,7 +451,7 @@ usage(void) "\t-a address Peer address (required in client mode)\n" \ "\t-b Run in background\n" \ "\t-c channel RFCOMM channel to connect to or listen on\n" \ -"\t-t tty TTY name (required in background mode)\n" \ +"\t-t use slave pseudo tty (required in background mode)\n" \ "\t-S Server mode\n" \ "\t-h Display this message\n", SPPD_IDENT); exit(255);
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