diff options
| -rw-r--r-- | chardev/char-pty.c | 111 | ||||
| -rw-r--r-- | chardev/meson.build | 4 | ||||
| -rw-r--r-- | include/qemu-common.h | 2 | ||||
| -rw-r--r-- | util/meson.build | 1 | ||||
| -rw-r--r-- | util/qemu-openpty.c | 139 |
5 files changed, 113 insertions, 144 deletions
diff --git a/chardev/char-pty.c b/chardev/char-pty.c index a2d1e7c985..d73d8b2390 100644 --- a/chardev/char-pty.c +++ b/chardev/char-pty.c @@ -197,6 +197,117 @@ static void char_pty_finalize(Object *obj) qemu_chr_be_event(chr, CHR_EVENT_CLOSED); } +#if defined HAVE_PTY_H +# include <pty.h> +#elif defined CONFIG_BSD +# include <termios.h> +# if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__) +# include <libutil.h> +# else +# include <util.h> +# endif +#elif defined CONFIG_SOLARIS +# include <termios.h> +# include <stropts.h> +#else +# include <termios.h> +#endif + +#ifdef __sun__ + +#if !defined(HAVE_OPENPTY) +/* Once illumos has openpty(), this is going to be removed. */ +static int openpty(int *amaster, int *aslave, char *name, + struct termios *termp, struct winsize *winp) +{ + const char *slave; + int mfd = -1, sfd = -1; + + *amaster = *aslave = -1; + + mfd = open("/dev/ptmx", O_RDWR | O_NOCTTY); + if (mfd < 0) { + goto err; + } + + if (grantpt(mfd) == -1 || unlockpt(mfd) == -1) { + goto err; + } + + if ((slave = ptsname(mfd)) == NULL) { + goto err; + } + + if ((sfd = open(slave, O_RDONLY | O_NOCTTY)) == -1) { + goto err; + } + + if (ioctl(sfd, I_PUSH, "ptem") == -1 || + (termp != NULL && tcgetattr(sfd, termp) < 0)) { + goto err; + } + + *amaster = mfd; + *aslave = sfd; + + if (winp) { + ioctl(sfd, TIOCSWINSZ, winp); + } + + return 0; + +err: + if (sfd != -1) { + close(sfd); + } + close(mfd); + return -1; +} +#endif + +static void cfmakeraw (struct termios *termios_p) +{ + termios_p->c_iflag &= + ~(IGNBRK | BRKINT | PARMRK | ISTRIP | INLCR | IGNCR | ICRNL | IXON); + termios_p->c_oflag &= ~OPOST; + termios_p->c_lflag &= ~(ECHO | ECHONL | ICANON | ISIG | IEXTEN); + termios_p->c_cflag &= ~(CSIZE | PARENB); + termios_p->c_cflag |= CS8; + + termios_p->c_cc[VMIN] = 0; + termios_p->c_cc[VTIME] = 0; +} +#endif + +/* like openpty() but also makes it raw; return master fd */ +static int qemu_openpty_raw(int *aslave, char *pty_name) +{ + int amaster; + struct termios tty; +#if defined(__OpenBSD__) || defined(__DragonFly__) + char pty_buf[PATH_MAX]; +#define q_ptsname(x) pty_buf +#else + char *pty_buf = NULL; +#define q_ptsname(x) ptsname(x) +#endif + + if (openpty(&amaster, aslave, pty_buf, NULL, NULL) < 0) { + return -1; + } + + /* Set raw attributes on the pty. */ + tcgetattr(*aslave, &tty); + cfmakeraw(&tty); + tcsetattr(*aslave, TCSAFLUSH, &tty); + + if (pty_name) { + strcpy(pty_name, q_ptsname(amaster)); + } + + return amaster; +} + static void char_pty_open(Chardev *chr, ChardevBackend *backend, bool *be_opened, diff --git a/chardev/meson.build b/chardev/meson.build index 325ba2bdb9..664f77b887 100644 --- a/chardev/meson.build +++ b/chardev/meson.build @@ -12,11 +12,11 @@ chardev_ss.add(files( 'char-udp.c', 'char.c', )) -chardev_ss.add(when: 'CONFIG_POSIX', if_true: files( +chardev_ss.add(when: 'CONFIG_POSIX', if_true: [files( 'char-fd.c', 'char-parallel.c', 'char-pty.c', -)) +), util]) chardev_ss.add(when: 'CONFIG_WIN32', if_true: files( 'char-console.c', 'char-win-stdio.c', diff --git a/include/qemu-common.h b/include/qemu-common.h index f0fe07cd74..f9b3f85b81 100644 --- a/include/qemu-common.h +++ b/include/qemu-common.h @@ -31,8 +31,6 @@ ssize_t qemu_write_full(int fd, const void *buf, size_t count) #ifndef _WIN32 int qemu_pipe(int pipefd[2]); -/* like openpty() but also makes it raw; return master fd */ -int qemu_openpty_raw(int *aslave, char *pty_name); #endif void cpu_exec_init_all(void); diff --git a/util/meson.build b/util/meson.build index bb0b010662..f8f0643318 100644 --- a/util/meson.build +++ b/util/meson.build @@ -16,7 +16,6 @@ if targetos == 'freebsd' freebsd_dep = util endif util_ss.add(when: 'CONFIG_POSIX', if_true: [files('oslib-posix.c'), freebsd_dep]) -util_ss.add(when: 'CONFIG_POSIX', if_true: [files('qemu-openpty.c'), util]) util_ss.add(when: 'CONFIG_POSIX', if_true: files('qemu-thread-posix.c')) util_ss.add(when: 'CONFIG_POSIX', if_true: files('memfd.c')) util_ss.add(when: 'CONFIG_WIN32', if_true: files('aio-win32.c')) diff --git a/util/qemu-openpty.c b/util/qemu-openpty.c deleted file mode 100644 index 427f43a769..0000000000 --- a/util/qemu-openpty.c +++ /dev/null @@ -1,139 +0,0 @@ -/* - * qemu-openpty.c - * - * Copyright (c) 2003-2008 Fabrice Bellard - * Copyright (c) 2010 Red Hat, Inc. - * - * Wrapper function qemu_openpty() implementation. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ - -/* - * This is not part of oslib-posix.c because this function - * uses openpty() which often in -lutil, and if we add this - * dependency to oslib-posix.o, every app will have to be - * linked with -lutil. - */ - -#include "qemu/osdep.h" -#include "qemu-common.h" - -#if defined HAVE_PTY_H -# include <pty.h> -#elif defined CONFIG_BSD -# include <termios.h> -# if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__) -# include <libutil.h> -# else -# include <util.h> -# endif -#elif defined CONFIG_SOLARIS -# include <termios.h> -# include <stropts.h> -#else -# include <termios.h> -#endif - -#ifdef __sun__ - -#if !defined(HAVE_OPENPTY) -/* Once illumos has openpty(), this is going to be removed. */ -static int openpty(int *amaster, int *aslave, char *name, - struct termios *termp, struct winsize *winp) -{ - const char *slave; - int mfd = -1, sfd = -1; - - *amaster = *aslave = -1; - - mfd = open("/dev/ptmx", O_RDWR | O_NOCTTY); - if (mfd < 0) - goto err; - - if (grantpt(mfd) == -1 || unlockpt(mfd) == -1) - goto err; - - if ((slave = ptsname(mfd)) == NULL) - goto err; - - if ((sfd = open(slave, O_RDONLY | O_NOCTTY)) == -1) - goto err; - - if (ioctl(sfd, I_PUSH, "ptem") == -1 || - (termp != NULL && tcgetattr(sfd, termp) < 0)) - goto err; - - *amaster = mfd; - *aslave = sfd; - - if (winp) - ioctl(sfd, TIOCSWINSZ, winp); - - return 0; - -err: - if (sfd != -1) - close(sfd); - close(mfd); - return -1; -} -#endif - -static void cfmakeraw (struct termios *termios_p) -{ - termios_p->c_iflag &= - ~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON); - termios_p->c_oflag &= ~OPOST; - termios_p->c_lflag &= ~(ECHO|ECHONL|ICANON|ISIG|IEXTEN); - termios_p->c_cflag &= ~(CSIZE|PARENB); - termios_p->c_cflag |= CS8; - - termios_p->c_cc[VMIN] = 0; - termios_p->c_cc[VTIME] = 0; -} -#endif - -int qemu_openpty_raw(int *aslave, char *pty_name) -{ - int amaster; - struct termios tty; -#if defined(__OpenBSD__) || defined(__DragonFly__) - char pty_buf[PATH_MAX]; -#define q_ptsname(x) pty_buf -#else - char *pty_buf = NULL; -#define q_ptsname(x) ptsname(x) -#endif - - if (openpty(&amaster, aslave, pty_buf, NULL, NULL) < 0) { - return -1; - } - - /* Set raw attributes on the pty. */ - tcgetattr(*aslave, &tty); - cfmakeraw(&tty); - tcsetattr(*aslave, TCSAFLUSH, &tty); - - if (pty_name) { - strcpy(pty_name, q_ptsname(amaster)); - } - - return amaster; -} |