mirror of
https://github.com/moparisthebest/socat
synced 2024-12-22 06:58:47 -05:00
80 lines
2.4 KiB
C
80 lines
2.4 KiB
C
/* source: xio-creat.c */
|
|
/* 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 create type */
|
|
|
|
#include "xiosysincludes.h"
|
|
|
|
#if WITH_CREAT
|
|
|
|
#include "xioopen.h"
|
|
#include "xio-named.h"
|
|
#include "xio-creat.h"
|
|
|
|
|
|
static int xioopen_creat(int arg, const char *argv[], struct opt *opts, int rw, xiofile_t *fd, unsigned groups, int dummy1, int dummy2, int dummy3);
|
|
|
|
|
|
/*! within stream model, this is a write-only address - use 2 instead of 3 */
|
|
const struct addrdesc addr_creat = { "create", 3, xioopen_creat, GROUP_FD|GROUP_NAMED|GROUP_FILE, 0, 0, 0 HELP(":<filename>") };
|
|
|
|
|
|
/* retrieve the mode option and perform the creat() call.
|
|
returns the file descriptor or a negative value. */
|
|
static int _xioopen_creat(const char *path, int rw, struct opt *opts) {
|
|
mode_t mode = 0666;
|
|
int fd;
|
|
|
|
retropt_modet(opts, OPT_PERM, &mode);
|
|
|
|
if ((fd = Creat(path, mode)) < 0) {
|
|
Error3("creat(\"%s\", 0%03o): %s",
|
|
path, mode, strerror(errno));
|
|
return STAT_RETRYLATER;
|
|
}
|
|
return fd;
|
|
}
|
|
|
|
|
|
static int xioopen_creat(int argc, const char *argv[], struct opt *opts, int xioflags, xiofile_t *fd, unsigned groups, int dummy1, int dummy2, int dummy3) {
|
|
const char *filename = argv[1];
|
|
int rw = (xioflags&XIO_ACCMODE);
|
|
bool exists;
|
|
bool opt_unlink_close = false;
|
|
int result;
|
|
|
|
/* remove old file, or set user/permissions on old file; parse options */
|
|
if ((result = _xioopen_named_early(argc, argv, fd, groups, &exists, opts)) < 0) {
|
|
return result;
|
|
}
|
|
|
|
retropt_bool(opts, OPT_UNLINK_CLOSE, &opt_unlink_close);
|
|
if (opt_unlink_close) {
|
|
if ((fd->stream.unlink_close = strdup(filename)) == NULL) {
|
|
Error1("strdup(\"%s\"): out of memory", filename);
|
|
}
|
|
fd->stream.opt_unlink_close = true;
|
|
}
|
|
|
|
Notice2("creating regular file \"%s\" for %s", filename, ddirection[rw]);
|
|
if ((result = _xioopen_creat(filename, rw, opts)) < 0)
|
|
return result;
|
|
fd->stream.fd = result;
|
|
|
|
applyopts_named(filename, opts, PH_PASTOPEN);
|
|
if ((result = applyopts2(fd->stream.fd, opts, PH_PASTOPEN, PH_LATE2)) < 0)
|
|
return result;
|
|
|
|
applyopts_cloexec(fd->stream.fd, opts);
|
|
|
|
applyopts_fchown(fd->stream.fd, opts);
|
|
|
|
if ((result = _xio_openlate(&fd->stream, opts)) < 0)
|
|
return result;
|
|
|
|
return 0;
|
|
}
|
|
|
|
#endif /* WITH_CREAT */
|