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socat V1.6.0.0 (initial GIT commit)

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Gerhard Rieger 2008-01-27 13:00:08 +01:00
commit b819572f5e
170 changed files with 59193 additions and 0 deletions

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xio-fdnum.c Normal file
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/* $Id: xio-fdnum.c,v 1.13 2006/07/08 10:03:14 gerhard Exp $ */
/* Copyright Gerhard Rieger 2001-2006 */
/* Published under the GNU General Public License V.2, see file COPYING */
/* this file contains the source for opening addresses of fdnum type */
#include "xiosysincludes.h"
#include "xioopen.h"
#include "xio-fdnum.h"
#if WITH_FDNUM
static int xioopen_fdnum(int argc, const char *argv[], struct opt *opts, int rw, xiofile_t *xfd, unsigned groups, int dummy1, int dummy2, int dummy3);
const struct addrdesc addr_fd = { "fd", 3, xioopen_fdnum, GROUP_FD|GROUP_FIFO|GROUP_CHR|GROUP_BLK|GROUP_FILE|GROUP_SOCKET|GROUP_TERMIOS|GROUP_SOCK_UNIX|GROUP_SOCK_IP|GROUP_IPAPP, 0, 0, 0 HELP(":<num>") };
/* use some file descriptor and apply the options. Set the FD_CLOEXEC flag. */
static int xioopen_fdnum(int argc, const char *argv[], struct opt *opts,
int xioflags, xiofile_t *xfd, unsigned groups,
int dummy1, int dummy2, int dummy3) {
char *a1;
int rw = (xioflags&XIO_ACCMODE);
int numfd;
int result;
if (argc != 2) {
Error3("%s:%s: wrong number of parameters (%d instead of 1)", argv[0], argv[1], argc-1);
}
numfd = strtoul(argv[1], &a1, 0);
if (*a1 != '\0') {
Error1("error in FD number \"%s\"", argv[1]);
}
/* we dont want to see these fds in child processes */
if (Fcntl_l(numfd, F_SETFD, FD_CLOEXEC) < 0) {
Warn2("fcntl(%d, F_SETFD, FD_CLOEXEC): %s", numfd, strerror(errno));
}
Notice2("using file descriptor %d for %s", numfd, ddirection[rw]);
if ((result = xioopen_fd(opts, rw, &xfd->stream, numfd, dummy2, dummy3)) < 0) {
return result;
}
return 0;
}
#endif /* WITH_FDNUM */
#if WITH_FD
/* retrieve and apply options to a standard file descriptor.
Do not set FD_CLOEXEC flag. */
int xioopen_fd(struct opt *opts, int rw, xiosingle_t *xfd, int numfd, int dummy2, int dummy3) {
xfd->fd = numfd;
xfd->howtoend = END_NONE;
#if WITH_TERMIOS
if (Isatty(xfd->fd)) {
if (Tcgetattr(xfd->fd, &xfd->savetty) < 0) {
Warn2("cannot query current terminal settings on fd %d: %s",
xfd->fd, strerror(errno));
} else {
xfd->ttyvalid = true;
}
}
#endif /* WITH_TERMIOS */
if (applyopts_single(xfd, opts, PH_INIT) < 0) return -1;
applyopts(-1, opts, PH_INIT);
applyopts2(xfd->fd, opts, PH_INIT, PH_FD);
return _xio_openlate(xfd, opts);
}
#endif /* WITH_FD */