mirror of
https://repo.or.cz/socat.git
synced 2024-12-22 23:42:34 +00:00
115 lines
3.1 KiB
C
115 lines
3.1 KiB
C
/* source: xioclose.c */
|
|
/* Copyright Gerhard Rieger and contributors (see file CHANGES) */
|
|
/* Published under the GNU General Public License V.2, see file COPYING */
|
|
|
|
/* this is the source of the extended close function */
|
|
|
|
|
|
#include "xiosysincludes.h"
|
|
#include "xioopen.h"
|
|
#include "xiolockfile.h"
|
|
|
|
#include "xio-termios.h"
|
|
|
|
|
|
/* close the xio fd; must be valid and "simple" (not dual) */
|
|
int xioclose1(struct single *pipe) {
|
|
|
|
if (pipe->tag == XIO_TAG_INVALID) {
|
|
Notice("xioclose1(): invalid file descriptor");
|
|
errno = EINVAL;
|
|
return -1;
|
|
}
|
|
|
|
#if WITH_READLINE
|
|
if ((pipe->dtype & XIODATA_MASK) == XIODATA_READLINE) {
|
|
Write_history(pipe->para.readline.history_file);
|
|
/*xiotermios_setflag(pipe->fd, 3, ECHO|ICANON);*/ /* error when pty closed */
|
|
}
|
|
#endif /* WITH_READLINE */
|
|
#if WITH_OPENSSL
|
|
if ((pipe->dtype & XIODATA_MASK) == XIODATA_OPENSSL) {
|
|
if (pipe->para.openssl.ssl) {
|
|
/* e.g. on TCP connection refused, we do not yet have this set */
|
|
sycSSL_shutdown(pipe->para.openssl.ssl);
|
|
sycSSL_free(pipe->para.openssl.ssl);
|
|
pipe->para.openssl.ssl = NULL;
|
|
}
|
|
Close(pipe->fd); pipe->fd = -1;
|
|
if (pipe->para.openssl.ctx) {
|
|
sycSSL_CTX_free(pipe->para.openssl.ctx);
|
|
pipe->para.openssl.ctx = NULL;
|
|
}
|
|
} else
|
|
#endif /* WITH_OPENSSL */
|
|
#if WITH_TERMIOS
|
|
if (pipe->ttyvalid) {
|
|
if (Tcsetattr(pipe->fd, 0, &pipe->savetty) < 0) {
|
|
Warn2("cannot restore terminal settings on fd %d: %s",
|
|
pipe->fd, strerror(errno));
|
|
}
|
|
}
|
|
#endif /* WITH_TERMIOS */
|
|
if (pipe->fd >= 0) {
|
|
switch (pipe->howtoend) {
|
|
case END_KILL: case END_SHUTDOWN_KILL: case END_CLOSE_KILL:
|
|
if (pipe->para.exec.pid > 0) {
|
|
if (Kill(pipe->para.exec.pid, SIGTERM) < 0) {
|
|
Msg2(errno==ESRCH?E_INFO:E_WARN, "kill(%d, SIGTERM): %s",
|
|
pipe->para.exec.pid, strerror(errno));
|
|
}
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
switch (pipe->howtoend) {
|
|
case END_CLOSE: case END_CLOSE_KILL:
|
|
if (Close(pipe->fd) < 0) {
|
|
Info2("close(%d): %s", pipe->fd, strerror(errno)); } break;
|
|
#if _WITH_SOCKET
|
|
case END_SHUTDOWN: case END_SHUTDOWN_KILL:
|
|
if (Shutdown(pipe->fd, 2) < 0) {
|
|
Info3("shutdown(%d, %d): %s", pipe->fd, 2, strerror(errno)); }
|
|
break;
|
|
#endif /* _WITH_SOCKET */
|
|
case END_NONE: default: break;
|
|
}
|
|
}
|
|
|
|
/* unlock */
|
|
if (pipe->havelock) {
|
|
xiounlock(pipe->lock.lockfile);
|
|
pipe->havelock = false;
|
|
}
|
|
if (pipe->opt_unlink_close && pipe->unlink_close) {
|
|
if (Unlink(pipe->unlink_close) < 0) {
|
|
Info2("unlink(\"%s\"): %s", pipe->unlink_close, strerror(errno));
|
|
}
|
|
free(pipe->unlink_close);
|
|
}
|
|
|
|
pipe->tag = XIO_TAG_INVALID;
|
|
return 0; /*! */
|
|
}
|
|
|
|
|
|
/* close the xio fd */
|
|
int xioclose(xiofile_t *file) {
|
|
int result;
|
|
|
|
if (file->tag == XIO_TAG_INVALID) {
|
|
Error("xioclose(): invalid file descriptor");
|
|
errno = EINVAL;
|
|
return -1;
|
|
}
|
|
|
|
if (file->tag == XIO_TAG_DUAL) {
|
|
result = xioclose1(file->dual.stream[0]);
|
|
result |= xioclose1(file->dual.stream[1]);
|
|
file->tag = XIO_TAG_INVALID;
|
|
} else {
|
|
result = xioclose1(&file->stream);
|
|
}
|
|
return result;
|
|
}
|
|
|