int
main(int argc, char *argv[])
{
int i, fd;
for (i = 1; i < argc; i++)
{
if ((fd = open(argv[i], O_RDONLY)) < 0)
{
err_ret("%s: can't open", argv[i]);
continue;
}
if (isastream(fd) == 0)
{
err_ret("%s: not a stream", argv[i]);
}
else
{
err_msg("%s: stream device",argv[i]);
}
}
exit(0);
}
int
main(int argc, char *argv[])
{
int fd, i, nmods;
struct str_list list;
if (argc != 2)
err_quit("usage: a.out <pathname>");
if ( (fd = open(argv[1], O_RDONLY)) < 0)
err_sys("can't open %s", argv[1]);
if (isastream(fd) == 0)
err_quit("%s is not a stream", argv[1]);
/* fetch number of modules */
if ( (nmods = ioctl(fd, I_LIST, (void *) 0)) < 0)
err_sys("I_LIST error for nmods");
printf("#modules = %d\n", nmods);
/* allocate storage for all the module names */
list.sl_modlist = calloc(nmods, sizeof(struct str_mlist));
if (list.sl_modlist == NULL)
err_sys("calloc error");
list.sl_nmods = nmods;
/* and fetch the module names */
if (ioctl(fd, I_LIST, &list) < 0)
err_sys("I_LIST error for list");
/* print the module names */
for (i = 1; i <= nmods; i++)
printf(" %s: %s\n", (i == nmods) ? "driver" : "module",
list.sl_modlist++);
exit(0);
}
/* ARGSUSED */
int
main(int argc, char **argv)
{
char *cp, *value;
int cmd;
int fd;
if (!(cp = *++argv)) {
while ((fd = open_device()) != -1) {
getset_interactive(fd);
(void) close(fd);
}
return (EXIT_SUCCESS);
}
cmd = ND_GET;
if (cp[0] == '-') {
if (strncmp(&cp[1], "set", 3) == 0)
cmd = ND_SET;
else if (strncmp(&cp[1], "get", 3) != 0)
fatal(usage_str);
if (!(cp = *++argv))
fatal(usage_str);
}
if ((fd = open(cp, O_RDWR)) == -1)
fatal("open of %s failed: %s", cp, errmsg(errno));
if (!isastream(fd))
fatal("%s is not a streams device", cp);
if (!(cp = *++argv)) {
getset_interactive(fd);
(void) close(fd);
return (EXIT_SUCCESS);
}
if (cmd == ND_SET) {
if (!(value = *++argv))
fatal(usage_str);
(void) snprintf(gbuf, sizeof (gbuf), "%s%c%s%c", cp, '\0',
value, '\0');
if (!do_getset(fd, cmd, gbuf, sizeof (gbuf)))
return (EXIT_FAILURE);
} else {
do {
(void) memset(gbuf, '\0', sizeof (gbuf));
(void) strlcpy(gbuf, cp, sizeof (gbuf));
if (!do_getset(fd, cmd, gbuf, sizeof (gbuf)))
return (EXIT_FAILURE);
if (cp = *++argv)
(void) putchar('\n');
} while (cp);
}
(void) close(fd);
return (EXIT_SUCCESS);
}
int cli_connect (const char *path)
{
int fd;
if ((fd = open (path, O_RDWR)) == -1)
return (-1);
return ((isastream (fd)) ? fd : -1);
}
int
xf86RemoveSIGIOHandler(int fd)
{
struct sigaction sa;
struct sigaction osa;
int i;
int max;
int maxfd;
int ret;
if (!xf86Info.useSIGIO)
return 0;
max = 0;
maxfd = -1;
ret = 0;
for (i = 0; i < MAX_FUNCS; i++) {
if (xf86SigIOFuncs[i].f) {
if (xf86SigIOFuncs[i].fd == fd) {
xf86SigIOFuncs[i].f = 0;
xf86SigIOFuncs[i].fd = 0;
xf86SigIOFuncs[i].closure = 0;
FD_CLR(fd, &xf86SigIOMask);
ret = 1;
}
else {
max = i + 1;
if (xf86SigIOFuncs[i].fd >= maxfd)
maxfd = xf86SigIOFuncs[i].fd + 1;
}
}
}
if (ret) {
#ifdef O_ASYNC
fcntl(fd, F_SETFL, fcntl(fd, F_GETFL) & ~O_ASYNC);
#endif
#ifdef I_SETSIG
if (isastream(fd)) {
if (ioctl(fd, I_SETSIG, 0) == -1) {
xf86Msg(X_WARNING, "fcntl(%d, I_SETSIG, 0): %s\n",
fd, strerror(errno));
}
}
#endif
xf86SigIOMax = max;
xf86SigIOMaxFd = maxfd;
if (!max) {
sigemptyset(&sa.sa_mask);
sigaddset(&sa.sa_mask, SIGIO);
sa.sa_flags = 0;
sa.sa_handler = SIG_IGN;
sigaction(SIGIO, &sa, &osa);
}
}
return ret;
}
int /* returns fd if all OK, <0 on error */
cli_conn(const char *name)
{
int fd;
/* open the mounted stream */
if ( (fd = open(name, O_RDWR)) < 0)
return(-1);
if (isastream(fd) == 0)
return(-2);
return(fd);
}
/**
* @fn int socket(int domain, int type, int protocol)
* @brief Create a socket.
* @param domain the protocol domain (address or protocol family).
* @param type the socket type (SOCK_STREAM, SOCK_DGRAM, etc.)
* @param protocol the protocol within the domain, or zero (0) for default.
*
* NOTICES: This function cannot contain a thread cancellation point (according to XNS 5.2).
*/
int
__sock_socket(int domain, int type, int protocol)
{
int err, sd;
struct _s_user *user;
struct socksysreq args = {
{SO_SOCKET, domain, type, protocol,}
};
if (!(user = (struct _s_user *) malloc(sizeof(*user))))
goto enomem;
memset(user, 0, sizeof(*user));
if ((sd = __sock_ioctl(&args)) == -1)
goto badsock;
/* try to convert it into a socket */
if (isastream(sd)) {
struct strioctl ioc;
if (ioctl(sd, I_PUSH, "sockmod") == -1)
goto badioctl;
ioc.ic_cmd = O_SI_GETUDATA;
ioc.ic_dp = (char *) &user->info;
ioc.ic_len = sizeof(struct o_si_udata);
ioc.ic_timout = SOCKMOD_TIMEOUT;
if (ioctl(sd, I_STR, &ioc) == -1)
goto badgetuser;
user->info.sockparams.sp_family = domain;
user->info.sockparams.sp_type = type;
user->info.sockparams.sp_protocol = protocol;
_s_fds[sd] = user;
} else
_s_fds[sd] = NULL;
return (0);
badgetuser:
badioctl:
err = errno;
_s_fds[sd] = NULL;
close(sd);
free(user);
errno = err;
return (-1);
badsock:
err = errno;
free(user);
errno = err;
return (-1);
enomem:
errno = ENOMEM;
return (-1);
}
/* connect to server on the given path: */
int cli_conn(const char *path)
{
int fd;
if ((fd=open(path,O_RDWR)) < 0) {
perror("open");
exit(1);
}
if (isastream(fd)==0) {
fprintf(stderr,"cli_conn: path \"%s\" is not a stream\n",path);
exit(1);
}
return fd;
}
/**
* @fn int accept(int fd, struct sockaddr *addr, socklen_t *len)
* @brief Accept a socket connection.
* @param fd the socket from which to accept the connection.
* @param addr a pointer to a sockaddr structure to receive the connecting address.
* @param len the length of the sockaddr.
*
* NOTICES: This function contains a thread cancellation point (according to XNS 5.2).
*
* IMPLEMENTATION: When Streams are created by the library in user space, it is necessary to open a
* new Stream, possibly bind it to the same address as the Stream specified by fd, and then pass
* this newly created Stream to the ioctl call. When Streams are created by socksys(4) or
* sockmod(4), the module or driver will open the Stream, however, there is a problem with LiS in
* this regard in that the top module's put procedure does not necessarily execute with caller user
* context, there is no way of hooking STREAMS ioctl (e.g. strioctl) and a Stream cannot be opened
* without the danger of putting the STREAMS scheduler kernel thread to sleep.
*/
int
__sock_accept(int fd, struct sockaddr *addr, socklen_t * len)
{
int err, sd;
struct _s_user *user;
struct socksysreq args = {
{SO_ACCEPT, fd, (long) addr, (long) len,}
};
if (!(user = (struct _s_user *) malloc(sizeof(*user))))
goto enomem;
memset(user, 0, sizeof(*user));
if ((sd = __sock_ioctl(&args)) == -1)
goto badsock;
/* try to convert it into a socket */
if (isastream(sd)) {
struct strioctl ioc;
if (ioctl(sd, I_PUSH, "sockmod") == -1)
goto badioctl;
ioc.ic_cmd = SI_GETUDATA;
ioc.ic_dp = (char *) &user->info;
ioc.ic_len = sizeof(struct si_udata);
ioc.ic_timout = SOCKMOD_TIMEOUT;
if (ioctl(sd, I_STR, &ioc) == -1)
goto badgetuser;
_s_fds[sd] = user;
} else
_s_fds[sd] = NULL;
return (0);
badgetuser:
badioctl:
err = errno;
_s_fds[sd] = NULL;
close(sd);
free(user);
errno = err;
return (-1);
badsock:
err = errno;
free(user);
errno = err;
return (-1);
enomem:
errno = ENOMEM;
return (-1);
}
int
fattach(int fildes, const char *path)
{
struct namefd namefdp;
struct door_info dinfo;
int s;
char buf[MAXPATHLEN];
/* Only STREAMS and doors allowed to be mounted */
if ((s = isastream(fildes)) == 1 || __door_info(fildes, &dinfo) == 0) {
namefdp.fd = fildes;
if (path == NULL || *path == '\0') {
errno = ENOENT;
return (-1);
} else if (*path != '/') {
/*
* The mount point must be an absolute path.
*/
if (getcwd(buf, sizeof (buf)) == NULL) {
/* errno already set */
return (-1);
}
/*
* The kernel will truncate the path if it would have
* turned into something more than MAXPATHLEN bytes.
* So we do the same here.
*/
if (strlcat(buf, "/", sizeof (buf)) >= sizeof (buf) ||
strlcat(buf, path, sizeof (buf)) >= sizeof (buf)) {
errno = ENAMETOOLONG;
return (-1);
}
path = buf;
}
return (mount((char *)NULL, path, MS_DATA|MS_NOMNTTAB,
(const char *)"namefs", (char *)&namefdp,
sizeof (struct namefd), NULL, 0));
} else if (s == 0) {
/* Not a STREAM */
errno = EINVAL;
return (-1);
} else {
/* errno already set */
return (-1);
}
}
int main(int argc, char* argv[])
{
if (argc != 2) {
printf("usage: %s <pathname>\n", argv[0]);
exit(1);
}
int fd = open(argv[1], O_RDONLY);
if (fd < 0) {
printf("can't open %s\n", argv[1]);
exit(1);
}
if (isastream(fd) == 0) {
printf("%s is not a stream\n", argv[1]);
exit(1);
}
/* get nmods */
int nmods = ioctl(fd, I_LIST, 0);
if (nmods < 0) {
printf("I_LIST error for nmods\n");
exit(1);
}
printf("#modules = %d\n", nmods);
struct str_list list;
list.sl_modlist = calloc(nmods, sizeof(struct str_mlist));
if (!list.sl_modlist) {
printf("calloc error\n");
exit(1);
}
list.sl_nmods = nmods;
if (ioctl(fd, I_LIST, &list) < 0) {
printf("I_LIST error for list\n");
exit(1);
}
int i;
for(i = 1; i <= nmods; i++) printf("%s %s\n", (i==nmods) ? "driver" : "module", list.sl_modlist++->l_name);
return 0;
}
int main (int argc, char **argv)
{
int fd;
int i;
if (argc < 2)
err_quit ("Usage: isastream file ...");
for (i = 1; i < argc; i++) {
if ((fd = open (argv [i], O_RDONLY)) == -1) {
err_ret ("Can't open %s", argv [i]);
continue;
}
printf ("%s %s a STREAMS device\n", argv [i],
(isastream (fd)) ? "is" : "is not");
}
return (0);
}
void
getslave ()
{
(void) setsid ();
/* grantpt( master);
unlockpt(master);
if ((slave = open((const char *)ptsname(master), O_RDWR)) < 0) {
perror((const char *)ptsname(master));
fail();
perror("open(fd, O_RDWR)");
fail();
} */
#ifndef NOSTREAMS
if (isastream (slave))
{
if (ioctl (slave, I_PUSH, "ptem") < 0)
{
perror ("ioctl(fd, I_PUSH, ptem)");
fail ();
}
if (ioctl (slave, I_PUSH, "ldterm") < 0)
{
perror ("ioctl(fd, I_PUSH, ldterm)");
fail ();
}
#ifndef _HPUX_SOURCE
if (ioctl (slave, I_PUSH, "ttcompat") < 0)
{
perror ("ioctl(fd, I_PUSH, ttcompat)");
fail ();
}
#endif
}
#endif /* !NOSTREAMS */
(void) ioctl (0, TIOCGWINSZ, (char *) &win);
}
s48_ref_t pty2tty(s48_call_t call, s48_ref_t sch_fd) {
int fd = s48_extract_long_2(call, sch_fd);
#if defined (HAVE_ISASTREAM) && defined (I_PUSH)
if (isastream (fd))
{
# if defined (I_FIND)
# define stream_module_pushed(fd, module) (ioctl (fd, I_FIND, module) == 1)
# else
# define stream_module_pushed(fd, module) 0
# endif
if ((! stream_module_pushed (fd, "ptem")) &&
(ioctl (fd, I_PUSH, "ptem") < 0))
s48_os_error_2(call, "pty2tty", errno, 1, sch_fd);
if ((! stream_module_pushed (fd, "ldterm")) &&
(ioctl (fd, I_PUSH, "ldterm") < 0))
s48_os_error_2(call, "pty2tty", errno, 1, sch_fd);
if ((! stream_module_pushed (fd, "ttcompat")) &&
(ioctl (fd, I_PUSH, "ttcompat") < 0))
s48_os_error_2(call, "pty2tty", errno, 1, sch_fd);
}
#endif /* defined (HAVE_ISASTREAM) && defined (I_PUSH) */
return s48_unspecific_2(call);
}
static int
open_device(void)
{
char name[80];
int fd, len;
for (;;) {
len = get_value("module to query ? ", name, sizeof (name));
if (len <= 1 ||
(len == 2 && (name[0] == 'q' || name[0] == 'Q')))
return (-1);
if ((fd = open(name, O_RDWR)) == -1) {
printe(B_TRUE, "open of %s failed", name);
continue;
}
if (isastream(fd))
return (fd);
(void) close(fd);
printe(B_FALSE, "%s is not a streams device", name);
}
}
int
main(int argc, char *argv[])
{
int fd, i, nmods;
struct str_list list;
if (argc != 2)
err_quit("usage: a.out <pathname>");
fd = T_open(argv[1], O_RDWR, NULL);
if (isastream(fd) == 0)
err_quit("%s is not a stream", argv[1]);
list.sl_nmods = nmods = Ioctl(fd, I_LIST, (void *) 0);
printf("%d modules\n", nmods);
list.sl_modlist = Calloc(nmods, sizeof(struct str_mlist));
Ioctl(fd, I_LIST, &list);
for (i = 1; i <= nmods; i++)
printf(" %s: %s\n", (i == nmods) ? "driver" : "module",
list.sl_modlist++);
exit(0);
}
/**
* @internal
* @brief Get a locked socket user structure.
* @param fd the socket descriptor for which to get the associated user structure.
*
* This is a range-checked array lookup of the library user structure associated
* with the specific file descriptor. Also, this function takes the necessary
* locks for thread-safe operation.
*/
static __hot struct _s_user *
__sock_getuser(int fd)
{
struct _s_user *user;
int err;
if (unlikely((err = __sock_list_rdlock())))
goto list_lock_error;
if (unlikely(0 > fd) || unlikely(fd >= OPEN_MAX))
goto badf;
if (unlikely(!(user = _s_fds[fd])))
goto badf;
if (unlikely((err = __sock_user_wrlock(user))))
goto user_lock_error;
return (user);
user_lock_error:
errno = err;
__sock_list_unlock(NULL);
goto error;
badf:
/* At this point we check if we have a stream and if we do, we need to perform an
SI_GETUDATA to see if we can syncrhonize the file descriptor with the socket
information. If we can, this file descriptor was created by some other mechanism, such
as open, t_open, or dup. */
if (isastream(fd)) {
struct strioctl ioc;
if (!(user = (struct _s_user *) malloc(sizeof(*user))))
goto enomem;
memset(user, 0, sizeof(*user));
switch (ioctl(fd, I_FIND, "sockmod")) {
case -1:
default:
goto badfind;
case 0:
/* XXX: maybe we shouldn't push it if it does not already exist on the
emodule stack (i.e. it is a stream by not a socket. */
if (ioctl(fd, I_PUSH, "sockmod") == -1)
goto badpush;
break;
case 1:
break;
}
ioc.ic_cmd = SI_GETUDATA;
ioc.ic_dp = (char *) &user->info;
ioc.ic_len = sizeof(struct si_udata);
ioc.ic_timout = SOCKMOD_TIMEOUT;
if (ioctl(fd, I_STR, &ioc) == -1)
goto badgetuser;
_s_fds[fd] = user;
return (user);
enomem:
errno = ENOMEM;
goto error;
badgetuser:
ioctl(fd, I_POP, NULL);
badfind:
badpush:
free(user);
}
errno = EBADF;
goto error;
list_lock_error:
errno = err;
goto error;
error:
return (NULL);
}
int forkpty(int *amaster,char *dummy,struct termios *termp, struct winsize *wp)
{
int master,slave;
int pid;
#ifdef HAVE__GETPTY
int filedes[2];
char *line;
line = _getpty(&filedes[0], O_RDWR|O_NDELAY, 0600, 0);
if (0 == line)
return -1;
if (0 > (filedes[1] = open(line, O_RDWR)))
{
close(filedes[0]);
return -1;
}
master=filedes[0];
slave=filedes[1];
#elif defined(HAVE_GRANTPT) && (defined(HAVE_GETPT) || defined(HAVE_DEV_PTMX) || defined(HAVE_POSIX_OPENPT))
# ifdef HAVE_PTSNAME
char *name;
# else
char name[80];
# endif
# ifdef HAVE_GETPT
master=getpt();
# elif HAVE_POSIX_OPENPT
master=posix_openpt(O_RDWR);
# else
master=open("/dev/ptmx", O_RDWR);
# endif
if (master<0)
return -1;
if (grantpt(master)<0||unlockpt(master)<0)
goto close_master;
# ifdef HAVE_PTSNAME
if (!(name=ptsname(master)))
goto close_master;
# else
if (ptsname_r(master,name,80))
goto close_master;
# endif
slave=open(name,O_RDWR);
if (slave==-1)
goto close_master;
# ifdef HAVE_STROPTS_H
if (isastream(slave))
if (ioctl(slave, I_PUSH, "ptem")<0
||ioctl(slave, I_PUSH, "ldterm")<0)
goto close_slave;
# endif
goto ok;
//close_slave:
close (slave);
close_master:
close (master);
return -1;
ok:
#else
char *p, *q, *l, *d;
char PtyName[32], TtyName[32];
strcpy(PtyName, PtyProto);
strcpy(TtyName, TtyProto);
for (p = PtyName; *p != 'X'; p++)
;
for (q = TtyName; *q != 'X'; q++)
;
for (l = PTYRANGE0; (*p = *l) != '\0'; l++)
{
for (d = PTYRANGE1; (p[1] = *d) != '\0'; d++)
{
// tintin_printf(0,"OpenPTY tries '%s'", PtyName);
if ((master = open(PtyName, O_RDWR | O_NOCTTY)) == -1)
continue;
q[0] = *l;
q[1] = *d;
if (access(TtyName, R_OK | W_OK))
{
close(master);
continue;
}
if ((slave=open(TtyName, O_RDWR|O_NOCTTY))==-1)
{
close(master);
continue;
}
goto ok;
}
}
return -1;
ok:
#endif
if (termp)
tcsetattr(master, TCSANOW, termp);
if (wp)
ioctl(master,TIOCSWINSZ,wp);
// let's ignore errors on this ioctl silently
pid=fork();
switch (pid)
{
case -1:
close(master);
close(slave);
return -1;
case 0:
close(master);
setsid();
dup2(slave,0);
dup2(slave,1);
dup2(slave,2);
close(slave);
return 0;
default:
close(slave);
*amaster=master;
return pid;
}
}
int
open_direct(char *ptype, PRINTER *pp)
{
short bufsz = -1, cps = -1;
int open_mode, fd;
register unsigned int oldalarm, newalarm = 0;
char *device;
struct ecpp_transfer_parms ecpp_params; /* for ECPP port checking */
char **modules = NULL;
struct flock lck;
struct stat buf;
register void (*oldsig)() = signal(SIGALRM, sigalrm);
/*
* Set an alarm to wake us from trying to open the port.
* We'll try at least 60 seconds, or more if the printer
* has a huge buffer that, in the worst case, would take
* a long time to drain.
*/
tidbit(ptype, "bufsz", &bufsz);
tidbit(ptype, "cps", &cps);
if (bufsz > 0 && cps > 0)
newalarm = (((long)bufsz * 1100) / cps) / 1000;
if (newalarm < 60)
newalarm = 60;
oldalarm = alarm(newalarm);
device = pp->device;
if (is_printer_uri(device) == 0) {
/*
* if it's a device uri and the endpoint contains a valid
* path, that path should be opened/locked by lpsched for
* the backend. If not, the uri isn't associated with a
* local device, so use /dev/null.
*/
device = strstr(device, "://");
if (device != NULL)
device = strchr(device + 3, '/');
if ((device == NULL) || (access(device, F_OK) < 0))
device = "/dev/null";
}
/*
* The following open must be interruptable.
* O_APPEND is set in case the ``port'' is a file.
* O_RDWR is set in case the interface program wants
* to get input from the printer. Don't fail, though,
* just because we can't get read access.
*/
open_mode = O_WRONLY;
if (access(device, R_OK) == 0)
open_mode = O_RDWR;
open_mode |= O_APPEND;
SigAlrm = 0;
while ((fd = open(device, open_mode, 0)) == -1) {
if (errno != EINTR)
return (EXEC_EXIT_NPORT);
else if (SigAlrm)
return (EXEC_EXIT_TMOUT);
}
alarm(oldalarm);
signal(SIGALRM, oldsig);
/*
* Lock the file in case two "printers" are defined on the
* same port. Don't lock /dev/null.
*/
lck.l_type = F_WRLCK;
lck.l_whence = 0;
lck.l_start = 0L;
lck.l_len = 0L;
if (strcmp(device, "/dev/null") && Fcntl(fd, F_SETLKW, &lck) < 0) {
execlog("lock error: %s\n", pp->device);
return (EXEC_EXIT_NPORT);
}
/*
* We should get the correct channel number (1), but just
* in case....
*/
if (fd != 1) {
dup2(fd, 1);
Close(fd);
}
/*
* Handle streams modules:
*/
if (fstat(1, &buf))
buf.st_mode = 0;
/*
* for some unknown reason, lpsched appears to pop the streams
* modules off the device and push back some "default" ones,
* unless a specific set were specified with the printer configuration.
* This behaviour causes problems with the ECPP port, so if we have
* an ECPP port, and nobody specified a set of modules to use, we
* should leave it alone. Normally, we would not bother to play with
* the streams modules, but it is possible that someone has come
* to rely on this behaviour for other devices.
*/
if ((pp->modules != NULL) && (pp->modules[0] != NULL) &&
(strcmp(pp->modules[0], "default") != 0))
modules = pp->modules;
if ((modules == NULL) && (ioctl(1, ECPPIOC_GETPARMS, &ecpp_params) < 0))
modules = getlist(DEFMODULES, LP_WS, LP_SEP);
/* if "nopush" is supplied, leave the modules alone */
if ((modules != NULL) && (modules[0] != NULL) &&
(strcasecmp(modules[0], "nopush") == 0))
modules = NULL;
/*
* If we have a stream and a list of modules to use, then pop the old
* modules and push the new ones.
*/
if ((modules != NULL) && !S_ISFIFO(buf.st_mode) && isastream(1)) {
/*
* First, pop all current modules off, unless
* instructed not to.
*/
while (ioctl(1, I_POP, 0) == 0)
;
/*
* Now push either the administrator specified modules
* or the standard modules, unless instructed to push
* nothing.
*/
if ((modules[1] == NULL) &&
(strcasecmp(modules[0], "none") == 0))
return (0);
while (*modules)
if (push_module(1, device, *modules++) == -1)
return (EXEC_EXIT_NPUSH);
}
return (0);
}
int
readvar(unsigned char **names)
{
struct fileblk fb;
register struct fileblk *f = &fb;
unsigned char c[MULTI_BYTE_MAX+1];
register int rc = 0;
struct namnod *n;
unsigned char *rel;
unsigned char *oldstak;
register unsigned char *pc, *rest;
int d;
unsigned int (*newwc)(void);
extern const char badargs[];
if (eq(*names, "-r")) {
if (*++names == NULL)
error(badargs);
newwc = readwc;
} else
newwc = nextwc;
n = lookup(*names++); /* done now to avoid storage mess */
rel = (unsigned char *)relstak();
push(f);
initf(dup(0));
/*
* If stdin is a pipe then this lseek(2) will fail with ESPIPE, so
* the read buffer size is set to 1 because we will not be able
* lseek(2) back towards the beginning of the file, so we have
* to read a byte at a time instead
*
*/
if (lseek(0, (off_t)0, SEEK_CUR) == -1)
f->fsiz = 1;
#ifdef __sun
/*
* If stdin is a socket then this isastream(3C) will return 1, so
* the read buffer size is set to 1 because we will not be able
* lseek(2) back towards the beginning of the file, so we have
* to read a byte at a time instead
*
*/
if (isastream(0) == 1)
f->fsiz = 1;
#endif
/*
* strip leading IFS characters
*/
for (;;)
{
d = newwc();
if(eolchar(d))
break;
rest = readw(d);
pc = c;
while(*pc++ = *rest++);
if(!anys(c, ifsnod.namval))
break;
}
oldstak = curstak();
for (;;)
{
if ((*names && anys(c, ifsnod.namval)) || eolchar(d))
{
if (staktop >= brkend)
growstak(staktop);
zerostak();
assign(n, absstak(rel));
setstak(rel);
if (*names)
n = lookup(*names++);
else
n = 0;
if (eolchar(d))
{
break;
}
else /* strip imbedded IFS characters */
while(1) {
d = newwc();
if(eolchar(d))
break;
rest = readw(d);
pc = c;
while(*pc++ = *rest++);
if(!anys(c, ifsnod.namval))
break;
}
}
else
{
if(d == '\\' && newwc == nextwc) {
d = newwc();
rest = readw(d);
while(d = *rest++) {
if (staktop >= brkend)
growstak(staktop);
pushstak(d);
}
oldstak = staktop;
}
else
{
pc = c;
while(d = *pc++) {
if (staktop >= brkend)
growstak(staktop);
pushstak(d);
}
if(!anys(c, ifsnod.namval))
oldstak = staktop;
}
d = newwc();
if (eolchar(d))
staktop = oldstak;
else
{
rest = readw(d);
pc = c;
while(*pc++ = *rest++);
}
}
}
while (n)
{
assign(n, nullstr);
if (*names)
n = lookup(*names++);
else
n = 0;
}
if (eof)
rc = 1;
#ifdef __sun
if (isastream(0) != 1)
#endif
/*
* If we are reading on a stream do not attempt to
* lseek(2) back towards the start because this is
* logically meaningless, but there is nothing in
* the standards to pervent the stream implementation
* from attempting it and breaking our code here
*
*/
lseek(0, (off_t)(f->nxtoff - f->endoff), SEEK_CUR);
pop();
return(rc);
}
int
xf86InstallSIGIOHandler(int fd, void (*f) (int, void *), void *closure)
{
struct sigaction sa;
struct sigaction osa;
int i;
int installed = FALSE;
if (!xf86Info.useSIGIO)
return 0;
for (i = 0; i < MAX_FUNCS; i++) {
if (!xf86SigIOFuncs[i].f) {
if (xf86IsPipe(fd))
return 0;
OsBlockSIGIO();
#ifdef O_ASYNC
if (fcntl(fd, F_SETFL, fcntl(fd, F_GETFL) | O_ASYNC) == -1) {
xf86Msg(X_WARNING, "fcntl(%d, O_ASYNC): %s\n",
fd, strerror(errno));
}
else {
if (fcntl(fd, F_SETOWN, getpid()) == -1) {
xf86Msg(X_WARNING, "fcntl(%d, F_SETOWN): %s\n",
fd, strerror(errno));
}
else {
installed = TRUE;
}
}
#endif
#ifdef I_SETSIG /* System V Streams - used on Solaris for input devices */
if (!installed && isastream(fd)) {
if (ioctl(fd, I_SETSIG, S_INPUT | S_ERROR | S_HANGUP) == -1) {
xf86Msg(X_WARNING, "fcntl(%d, I_SETSIG): %s\n",
fd, strerror(errno));
}
else {
installed = TRUE;
}
}
#endif
if (!installed) {
OsReleaseSIGIO();
return 0;
}
sigemptyset(&sa.sa_mask);
sigaddset(&sa.sa_mask, SIGIO);
sa.sa_flags = 0;
sa.sa_handler = xf86SIGIO;
sigaction(SIGIO, &sa, &osa);
xf86SigIOFuncs[i].fd = fd;
xf86SigIOFuncs[i].closure = closure;
xf86SigIOFuncs[i].f = f;
if (i >= xf86SigIOMax)
xf86SigIOMax = i + 1;
if (fd >= xf86SigIOMaxFd)
xf86SigIOMaxFd = fd + 1;
FD_SET(fd, &xf86SigIOMask);
OsReleaseSIGIO();
return 1;
}
/* Allow overwriting of the closure and callback */
else if (xf86SigIOFuncs[i].fd == fd) {
xf86SigIOFuncs[i].closure = closure;
xf86SigIOFuncs[i].f = f;
return 1;
}
}
return 0;
}
/**
* @fn int socketpair(int domain, int type, int protocol, int socket_vector[2])
* @brief Create a pair of connected sockets.
* @param domain protocol family.
* @param type socket type.
* @param protocol protocol within family.
* @param socket_vector vector into which to receive two integer file descriptors for the connected sockets.
*
* NOTICES: This function cannot contain a thread cancellation point (according to XNS 5.2).
*/
int
__sock_socketpair(int domain, int type, int protocol, int socket_vector[2])
{
int err, socks[2] = { -1, -1 };
struct _s_user *user1, *user2;
struct socksysreq args = {
{SO_SOCKPAIR, domain, type, protocol, (long) socks,}
};
if (!(user1 = (struct _s_user *) malloc(sizeof(*user1))))
goto enomem1;
memset(user1, 0, sizeof(*user1));
if (!(user2 = (struct _s_user *) malloc(sizeof(*user2))))
goto enomem2;
memset(user2, 0, sizeof(*user2));
if (__sock_ioctl(&args) == -1)
goto badpair;
/* try to convert them to sockets */
if (isastream(socks[0])) {
struct strioctl ioc;
if (ioctl(socks[0], I_PUSH, "sockmod") == -1)
goto badioctl;
ioc.ic_cmd = O_SI_GETUDATA;
ioc.ic_dp = (char *) &user1->info;
ioc.ic_len = sizeof(struct o_si_udata);
ioc.ic_timout = SOCKMOD_TIMEOUT;
if (ioctl(socks[0], I_STR, &ioc) == -1)
goto badgetuser;
user1->info.sockparams.sp_family = domain;
user1->info.sockparams.sp_type = type;
user1->info.sockparams.sp_protocol = protocol;
_s_fds[socks[0]] = user1;
} else
_s_fds[socks[0]] = NULL;
if (isastream(socks[1])) {
struct strioctl ioc;
if (ioctl(socks[1], I_PUSH, "sockmod") == -1)
goto badioctl;
ioc.ic_cmd = O_SI_GETUDATA;
ioc.ic_dp = (char *) &user1->info;
ioc.ic_len = sizeof(struct o_si_udata);
ioc.ic_timout = SOCKMOD_TIMEOUT;
if (ioctl(socks[1], I_STR, &ioc) == -1)
goto badgetuser;
user2->info.sockparams.sp_family = domain;
user2->info.sockparams.sp_type = type;
user2->info.sockparams.sp_protocol = protocol;
_s_fds[socks[1]] = user2;
} else
_s_fds[socks[1]] = NULL;
socket_vector[0] = socks[0];
socket_vector[1] = socks[1];
return (0);
badgetuser:
badioctl:
err = errno;
_s_fds[socks[1]] = NULL;
_s_fds[socks[0]] = NULL;
close(socks[1]);
close(socks[0]);
free(user2);
free(user1);
errno = err;
return (-1);
badpair:
err = errno;
free(user2);
free(user1);
errno = err;
return (-1);
enomem2:
free(user1);
enomem1:
errno = ENOMEM;
return (-1);
}
/**
* vte_pty_child_setup:
* @pty: a #VtePty
*
* FIXMEchpe
*/
void
vte_pty_child_setup (VtePty *pty)
{
VtePtyPrivate *priv = pty->priv;
VtePtyChildSetupData *data = &priv->child_setup_data;
int fd = -1;
const char *tty = NULL;
char version[7];
if (priv->foreign) {
fd = priv->pty_fd;
} else {
/* Save the name of the pty -- we'll need it later to acquire
* it as our controlling terminal.
*/
switch (data->mode) {
case TTY_OPEN_BY_NAME:
tty = data->tty.name;
break;
case TTY_OPEN_BY_FD:
fd = data->tty.fd;
tty = ttyname(fd);
break;
}
_vte_debug_print (VTE_DEBUG_PTY,
"Setting up child pty: name = %s, fd = %d\n",
tty ? tty : "(none)", fd);
/* Try to reopen the pty to acquire it as our controlling terminal. */
/* FIXMEchpe: why not just use the passed fd in TTY_OPEN_BY_FD mode? */
if (tty != NULL) {
int i = open(tty, O_RDWR);
if (i != -1) {
if (fd != -1){
close(fd);
}
fd = i;
}
}
}
if (fd == -1)
_exit (127);
/* Start a new session and become process-group leader. */
#if defined(HAVE_SETSID) && defined(HAVE_SETPGID)
_vte_debug_print (VTE_DEBUG_PTY, "Starting new session\n");
setsid();
setpgid(0, 0);
#endif
#ifdef TIOCSCTTY
/* TIOCSCTTY is defined? Let's try that, too. */
ioctl(fd, TIOCSCTTY, fd);
#endif
#ifdef HAVE_STROPTS_H
if (isastream (fd) == 1) {
if ((ioctl(fd, I_FIND, "ptem") == 0) &&
(ioctl(fd, I_PUSH, "ptem") == -1)) {
_exit (127);
}
if ((ioctl(fd, I_FIND, "ldterm") == 0) &&
(ioctl(fd, I_PUSH, "ldterm") == -1)) {
_exit (127);
}
if ((ioctl(fd, I_FIND, "ttcompat") == 0) &&
(ioctl(fd, I_PUSH, "ttcompat") == -1)) {
perror ("ioctl (fd, I_PUSH, \"ttcompat\")");
_exit (127);
}
}
#endif
/* now setup child I/O through the tty */
if (fd != STDIN_FILENO) {
if (dup2(fd, STDIN_FILENO) != STDIN_FILENO){
_exit (127);
}
}
if (fd != STDOUT_FILENO) {
if (dup2(fd, STDOUT_FILENO) != STDOUT_FILENO){
_exit (127);
}
}
if (fd != STDERR_FILENO) {
if (dup2(fd, STDERR_FILENO) != STDERR_FILENO){
_exit (127);
}
}
/* Close the original slave descriptor, unless it's one of the stdio
* descriptors. */
if (fd != STDIN_FILENO &&
fd != STDOUT_FILENO &&
fd != STDERR_FILENO) {
close(fd);
}
/* Reset our signals -- our parent may have done any number of
* weird things to them. */
_vte_pty_reset_signal_handlers();
/* Now set the TERM environment variable */
/* FIXME: Setting environment here seems to have no effect, the merged envp2 will override on exec.
* By the way, we'd need to set the one from there, if any. */
g_setenv("TERM", VTE_DEFAULT_TERM, TRUE);
g_snprintf (version, sizeof (version), "%u", VTE_VERSION_NUMERIC);
g_setenv ("VTE_VERSION", version, TRUE);
/* Finally call an extra child setup */
if (data->extra_child_setup) {
data->extra_child_setup (data->extra_child_setup_data);
}
}
