/*
* Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
+ * Copyright (c) 1996-2018 The strace developers.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* the kernel one, and we need to use the kernel layout.
*/
#include <linux/termios.h>
-#ifdef HAVE_SYS_FILIO_H
-# include <sys/filio.h>
-#endif
-
-static const struct xlat tcxonc_options[] = {
- { TCOOFF, "TCOOFF" },
- { TCOON, "TCOON" },
- { TCIOFF, "TCIOFF" },
- { TCION, "TCION" },
- { 0, NULL },
-};
-#ifdef TCLFLSH
-static const struct xlat tcflsh_options[] = {
- { TCIFLUSH, "TCIFLUSH" },
- { TCOFLUSH, "TCOFLUSH" },
- { TCIOFLUSH, "TCIOFLUSH" },
- { 0, NULL },
-};
-#endif
+#include "xlat/tcxonc_options.h"
+#include "xlat/tcflsh_options.h"
+#include "xlat/baud_options.h"
+#include "xlat/modem_flags.h"
-static const struct xlat baud_options[] = {
- { B0, "B0" },
- { B50, "B50" },
- { B75, "B75" },
- { B110, "B110" },
- { B134, "B134" },
- { B150, "B150" },
- { B200, "B200" },
- { B300, "B300" },
- { B600, "B600" },
- { B1200, "B1200" },
- { B1800, "B1800" },
- { B2400, "B2400" },
- { B4800, "B4800" },
- { B9600, "B9600" },
-#ifdef B19200
- { B19200, "B19200" },
-#endif
-#ifdef B38400
- { B38400, "B38400" },
-#endif
-#ifdef B57600
- { B57600, "B57600" },
-#endif
-#ifdef B115200
- { B115200, "B115200" },
-#endif
-#ifdef B230400
- { B230400, "B230400" },
-#endif
-#ifdef B460800
- { B460800, "B460800" },
-#endif
-#ifdef B500000
- { B500000, "B500000" },
-#endif
-#ifdef B576000
- { B576000, "B576000" },
-#endif
-#ifdef B921600
- { B921600, "B921600" },
-#endif
-#ifdef B1000000
- { B1000000, "B1000000" },
-#endif
-#ifdef B1152000
- { B1152000, "B1152000" },
-#endif
-#ifdef B1500000
- { B1500000, "B1500000" },
-#endif
-#ifdef B2000000
- { B2000000, "B2000000" },
-#endif
-#ifdef B2500000
- { B2500000, "B2500000" },
-#endif
-#ifdef B3000000
- { B3000000, "B3000000" },
-#endif
-#ifdef B3500000
- { B3500000, "B3500000" },
-#endif
-#ifdef B4000000
- { B4000000, "B4000000" },
-#endif
-#ifdef EXTA
- { EXTA, "EXTA" },
-#endif
-#ifdef EXTB
- { EXTB, "EXTB" },
-#endif
- { 0, NULL },
-};
+static void
+decode_termios(struct tcb *const tcp, const kernel_ulong_t addr)
+{
+ struct termios tios;
-static const struct xlat modem_flags[] = {
-#ifdef TIOCM_LE
- { TIOCM_LE, "TIOCM_LE", },
-#endif
-#ifdef TIOCM_DTR
- { TIOCM_DTR, "TIOCM_DTR", },
-#endif
-#ifdef TIOCM_RTS
- { TIOCM_RTS, "TIOCM_RTS", },
-#endif
-#ifdef TIOCM_ST
- { TIOCM_ST, "TIOCM_ST", },
-#endif
-#ifdef TIOCM_SR
- { TIOCM_SR, "TIOCM_SR", },
-#endif
-#ifdef TIOCM_CTS
- { TIOCM_CTS, "TIOCM_CTS", },
-#endif
-#ifdef TIOCM_CAR
- { TIOCM_CAR, "TIOCM_CAR", },
-#endif
-#ifdef TIOCM_CD
- { TIOCM_CD, "TIOCM_CD", },
-#endif
-#ifdef TIOCM_RNG
- { TIOCM_RNG, "TIOCM_RNG", },
-#endif
-#ifdef TIOCM_RI
- { TIOCM_RI, "TIOCM_RI", },
-#endif
-#ifdef TIOCM_DSR
- { TIOCM_DSR, "TIOCM_DSR", },
-#endif
- { 0, NULL, },
-};
+ tprints(", ");
+ if (umove_or_printaddr(tcp, addr, &tios))
+ return;
+ if (abbrev(tcp)) {
+ tprints("{");
+ printxval(baud_options, tios.c_cflag & CBAUD, "B???");
+ tprintf(" %sopost %sisig %sicanon %secho ...}",
+ (tios.c_oflag & OPOST) ? "" : "-",
+ (tios.c_lflag & ISIG) ? "" : "-",
+ (tios.c_lflag & ICANON) ? "" : "-",
+ (tios.c_lflag & ECHO) ? "" : "-");
+ return;
+ }
+ tprintf("{c_iflags=%#lx, c_oflags=%#lx, ",
+ (long) tios.c_iflag, (long) tios.c_oflag);
+ tprintf("c_cflags=%#lx, c_lflags=%#lx, ",
+ (long) tios.c_cflag, (long) tios.c_lflag);
+ tprintf("c_line=%u, ", tios.c_line);
+ if (!(tios.c_lflag & ICANON))
+ tprintf("c_cc[VMIN]=%d, c_cc[VTIME]=%d, ",
+ tios.c_cc[VMIN], tios.c_cc[VTIME]);
+ tprints("c_cc=");
+ print_quoted_string((char *) tios.c_cc, NCCS, QUOTE_FORCE_HEX);
+ tprints("}");
+}
-int term_ioctl(struct tcb *tcp, long code, long arg)
+static void
+decode_termio(struct tcb *const tcp, const kernel_ulong_t addr)
{
- struct termios tios;
struct termio tio;
+ int i;
+
+ tprints(", ");
+ if (umove_or_printaddr(tcp, addr, &tio))
+ return;
+ if (abbrev(tcp)) {
+ tprints("{");
+ printxval(baud_options, tio.c_cflag & CBAUD, "B???");
+ tprintf(" %sopost %sisig %sicanon %secho ...}",
+ (tio.c_oflag & OPOST) ? "" : "-",
+ (tio.c_lflag & ISIG) ? "" : "-",
+ (tio.c_lflag & ICANON) ? "" : "-",
+ (tio.c_lflag & ECHO) ? "" : "-");
+ return;
+ }
+ tprintf("{c_iflags=%#lx, c_oflags=%#lx, ",
+ (long) tio.c_iflag, (long) tio.c_oflag);
+ tprintf("c_cflags=%#lx, c_lflags=%#lx, ",
+ (long) tio.c_cflag, (long) tio.c_lflag);
+ tprintf("c_line=%u, ", tio.c_line);
+#ifdef _VMIN
+ if (!(tio.c_lflag & ICANON))
+ tprintf("c_cc[_VMIN]=%d, c_cc[_VTIME]=%d, ",
+ tio.c_cc[_VMIN], tio.c_cc[_VTIME]);
+#else /* !_VMIN */
+ if (!(tio.c_lflag & ICANON))
+ tprintf("c_cc[VMIN]=%d, c_cc[VTIME]=%d, ",
+ tio.c_cc[VMIN], tio.c_cc[VTIME]);
+#endif /* !_VMIN */
+ tprints("c_cc=\"");
+ for (i = 0; i < NCC; i++)
+ tprintf("\\x%02x", tio.c_cc[i]);
+ tprints("\"}");
+}
+
+static void
+decode_winsize(struct tcb *const tcp, const kernel_ulong_t addr)
+{
struct winsize ws;
+
+ tprints(", ");
+ if (umove_or_printaddr(tcp, addr, &ws))
+ return;
+ tprintf("{ws_row=%d, ws_col=%d, ws_xpixel=%d, ws_ypixel=%d}",
+ ws.ws_row, ws.ws_col, ws.ws_xpixel, ws.ws_ypixel);
+}
+
#ifdef TIOCGSIZE
- struct ttysize ts;
+static void
+decode_ttysize(struct tcb *const tcp, const kernel_ulong_t addr)
+{
+ struct ttysize ts;
+
+ tprints(", ");
+ if (umove_or_printaddr(tcp, addr, &ts))
+ return;
+ tprintf("{ts_lines=%d, ts_cols=%d}",
+ ts.ts_lines, ts.ts_cols);
+}
#endif
+
+static void
+decode_modem_flags(struct tcb *const tcp, const kernel_ulong_t addr)
+{
int i;
- if (entering(tcp))
- return 0;
+ tprints(", ");
+ if (umove_or_printaddr(tcp, addr, &i))
+ return;
+ tprints("[");
+ printflags(modem_flags, i, "TIOCM_???");
+ tprints("]");
+}
+int
+term_ioctl(struct tcb *const tcp, const unsigned int code,
+ const kernel_ulong_t arg)
+{
switch (code) {
-
- /* ioctls with termios or termio args */
-
-#ifdef TCGETS
+ /* struct termios */
case TCGETS:
- if (syserror(tcp))
+#ifdef TCGETS2
+ case TCGETS2:
+#endif
+ case TIOCGLCKTRMIOS:
+ if (entering(tcp))
return 0;
+ ATTRIBUTE_FALLTHROUGH;
case TCSETS:
+#ifdef TCSETS2
+ case TCSETS2:
+#endif
case TCSETSW:
+#ifdef TCSETSW2
+ case TCSETSW2:
+#endif
case TCSETSF:
- if (!verbose(tcp) || umove(tcp, arg, &tios) < 0)
- return 0;
- if (abbrev(tcp)) {
- tprints(", {");
- printxval(baud_options, tios.c_cflag & CBAUD, "B???");
- tprintf(" %sopost %sisig %sicanon %secho ...}",
- (tios.c_oflag & OPOST) ? "" : "-",
- (tios.c_lflag & ISIG) ? "" : "-",
- (tios.c_lflag & ICANON) ? "" : "-",
- (tios.c_lflag & ECHO) ? "" : "-");
- return 1;
- }
- tprintf(", {c_iflags=%#lx, c_oflags=%#lx, ",
- (long) tios.c_iflag, (long) tios.c_oflag);
- tprintf("c_cflags=%#lx, c_lflags=%#lx, ",
- (long) tios.c_cflag, (long) tios.c_lflag);
- tprintf("c_line=%u, ", tios.c_line);
- if (!(tios.c_lflag & ICANON))
- tprintf("c_cc[VMIN]=%d, c_cc[VTIME]=%d, ",
- tios.c_cc[VMIN], tios.c_cc[VTIME]);
- tprintf("c_cc=\"");
- for (i = 0; i < NCCS; i++)
- tprintf("\\x%02x", tios.c_cc[i]);
- tprintf("\"}");
- return 1;
-#endif /* TCGETS */
+#ifdef TCSETSF2
+ case TCSETSF2:
+#endif
+ case TIOCSLCKTRMIOS:
+ decode_termios(tcp, arg);
+ break;
-#ifdef TCGETA
+ /* struct termio */
case TCGETA:
- if (syserror(tcp))
+ if (entering(tcp))
return 0;
+ ATTRIBUTE_FALLTHROUGH;
case TCSETA:
case TCSETAW:
case TCSETAF:
- if (!verbose(tcp) || umove(tcp, arg, &tio) < 0)
- return 0;
- if (abbrev(tcp)) {
- tprints(", {");
- printxval(baud_options, tio.c_cflag & CBAUD, "B???");
- tprintf(" %sopost %sisig %sicanon %secho ...}",
- (tio.c_oflag & OPOST) ? "" : "-",
- (tio.c_lflag & ISIG) ? "" : "-",
- (tio.c_lflag & ICANON) ? "" : "-",
- (tio.c_lflag & ECHO) ? "" : "-");
- return 1;
- }
- tprintf(", {c_iflags=%#lx, c_oflags=%#lx, ",
- (long) tio.c_iflag, (long) tio.c_oflag);
- tprintf("c_cflags=%#lx, c_lflags=%#lx, ",
- (long) tio.c_cflag, (long) tio.c_lflag);
- tprintf("c_line=%u, ", tio.c_line);
-#ifdef _VMIN
- if (!(tio.c_lflag & ICANON))
- tprintf("c_cc[_VMIN]=%d, c_cc[_VTIME]=%d, ",
- tio.c_cc[_VMIN], tio.c_cc[_VTIME]);
-#else /* !_VMIN */
- if (!(tio.c_lflag & ICANON))
- tprintf("c_cc[VMIN]=%d, c_cc[VTIME]=%d, ",
- tio.c_cc[VMIN], tio.c_cc[VTIME]);
-#endif /* !_VMIN */
- tprintf("c_cc=\"");
- for (i = 0; i < NCC; i++)
- tprintf("\\x%02x", tio.c_cc[i]);
- tprintf("\"}");
- return 1;
-#endif /* TCGETA */
-
- /* ioctls with winsize or ttysize args */
+ decode_termio(tcp, arg);
+ break;
-#ifdef TIOCGWINSZ
+ /* struct winsize */
case TIOCGWINSZ:
- if (syserror(tcp))
+ if (entering(tcp))
return 0;
+ ATTRIBUTE_FALLTHROUGH;
case TIOCSWINSZ:
- if (!verbose(tcp) || umove(tcp, arg, &ws) < 0)
- return 0;
- tprintf(", {ws_row=%d, ws_col=%d, ws_xpixel=%d, ws_ypixel=%d}",
- ws.ws_row, ws.ws_col, ws.ws_xpixel, ws.ws_ypixel);
- return 1;
-#endif /* TIOCGWINSZ */
+ decode_winsize(tcp, arg);
+ break;
+ /* struct ttysize */
#ifdef TIOCGSIZE
case TIOCGSIZE:
- if (syserror(tcp))
+ if (entering(tcp))
return 0;
+ ATTRIBUTE_FALLTHROUGH;
case TIOCSSIZE:
- if (!verbose(tcp) || umove(tcp, arg, &ts) < 0)
- return 0;
- tprintf(", {ts_lines=%d, ts_cols=%d}",
- ts.ts_lines, ts.ts_cols);
- return 1;
+ decode_ttysize(tcp, arg);
+ break;
#endif
/* ioctls with a direct decodable arg */
-#ifdef TCXONC
case TCXONC:
tprints(", ");
- printxval(tcxonc_options, arg, "TC???");
- return 1;
-#endif
-#ifdef TCLFLSH
+ printxval64(tcxonc_options, arg, "TC???");
+ break;
case TCFLSH:
tprints(", ");
- printxval(tcflsh_options, arg, "TC???");
- return 1;
-#endif
-#ifdef TIOCSCTTY
+ printxval64(tcflsh_options, arg, "TC???");
+ break;
+ case TCSBRK:
+ case TCSBRKP:
case TIOCSCTTY:
- tprintf(", %ld", arg);
- return 1;
-#endif
+ tprintf(", %d", (int) arg);
+ break;
/* ioctls with an indirect parameter displayed as modem flags */
-
-#ifdef TIOCMGET
case TIOCMGET:
+ if (entering(tcp))
+ return 0;
+ ATTRIBUTE_FALLTHROUGH;
case TIOCMBIS:
case TIOCMBIC:
case TIOCMSET:
- if (umove(tcp, arg, &i) < 0)
- return 0;
- tprints(", [");
- printflags(modem_flags, i, "TIOCM_???");
- tprints("]");
- return 1;
-#endif /* TIOCMGET */
+ decode_modem_flags(tcp, arg);
+ break;
/* ioctls with an indirect parameter displayed in decimal */
-
- case TIOCSPGRP:
case TIOCGPGRP:
-#ifdef TIOCGETPGRP
- case TIOCGETPGRP:
-#endif
-#ifdef TIOCSETPGRP
- case TIOCSETPGRP:
-#endif
-#ifdef FIONREAD
+ case TIOCGSID:
+ case TIOCGETD:
+ case TIOCGSOFTCAR:
+ case TIOCGPTN:
case FIONREAD:
-#endif
case TIOCOUTQ:
-#ifdef FIONBIO
- case FIONBIO:
-#endif
-#ifdef FIOASYNC
- case FIOASYNC:
+#ifdef TIOCGEXCL
+ case TIOCGEXCL:
#endif
-#ifdef FIOGETOWN
- case FIOGETOWN:
+#ifdef TIOCGDEV
+ case TIOCGDEV:
#endif
-#ifdef FIOSETOWN
- case FIOSETOWN:
-#endif
-#ifdef TIOCGETD
- case TIOCGETD:
-#endif
-#ifdef TIOCSETD
+ if (entering(tcp))
+ return 0;
+ ATTRIBUTE_FALLTHROUGH;
+ case TIOCSPGRP:
case TIOCSETD:
-#endif
-#ifdef TIOCPKT
+ case FIONBIO:
+ case FIOASYNC:
case TIOCPKT:
-#endif
-#ifdef TIOCREMOTE
- case TIOCREMOTE:
-#endif
-#ifdef TIOCUCNTL
- case TIOCUCNTL:
-#endif
-#ifdef TIOCTCNTL
- case TIOCTCNTL:
-#endif
-#ifdef TIOCSIGNAL
- case TIOCSIGNAL:
-#endif
-#ifdef TIOCSSOFTCAR
case TIOCSSOFTCAR:
-#endif
-#ifdef TIOCGSOFTCAR
- case TIOCGSOFTCAR:
-#endif
-#ifdef TIOCISPACE
- case TIOCISPACE:
-#endif
-#ifdef TIOCISIZE
- case TIOCISIZE:
-#endif
-#ifdef TIOCSINTR
- case TIOCSINTR:
-#endif
-#ifdef TIOCSPTLCK
case TIOCSPTLCK:
-#endif
-#ifdef TIOCGPTN
- case TIOCGPTN:
-#endif
tprints(", ");
printnum_int(tcp, arg, "%d");
- return 1;
+ break;
/* ioctls with an indirect parameter displayed as a char */
-
-#ifdef TIOCSTI
case TIOCSTI:
-#endif
tprints(", ");
- printstr(tcp, arg, 1);
- return 1;
+ printstrn(tcp, arg, 1);
+ break;
/* ioctls with no parameters */
-#ifdef TIOCNOTTY
+ case TIOCSBRK:
+ case TIOCCBRK:
+ case TIOCCONS:
case TIOCNOTTY:
-#endif
-#ifdef FIOCLEX
+ case TIOCEXCL:
+ case TIOCNXCL:
case FIOCLEX:
-#endif
-#ifdef FIONCLEX
case FIONCLEX:
+#ifdef TIOCVHANGUP
+ case TIOCVHANGUP:
#endif
-#ifdef TIOCCONS
- case TIOCCONS:
+#ifdef TIOCSSERIAL
+ case TIOCSSERIAL:
#endif
- return 1;
+ break;
/* ioctls which are unknown */
default:
- return 0;
+ return RVAL_DECODED;
}
+
+ return RVAL_IOCTL_DECODED;
}