Remove ezio-term and ovs-switchui utilities.

These utilities were useful when Nicira was building switches with 16x2 LCD
front panel displays, but they aren't useful for other environments and
even Nicira does not use that kind of switch any longer.  So remove them
and all the build infrastructure on which they depended.

1 files changed, 0 insertions, 394 deletions

diff --git a/extras/ezio/tty.c b/extras/ezio/tty.c
deleted file mode 100644
index a4bb14ce..00000000
--- a/extras/ezio/tty.c
+++ /dev/null
@@ -1,394 +0,0 @@
-/* Copyright (c) 2008, 2009, 2010 Nicira Networks, Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <config.h>
-#include "extras/ezio/tty.h"
-#include <errno.h>
-#include <fcntl.h>
-#include <pwd.h>
-#include <signal.h>
-#include <stdlib.h>
-#include <string.h>
-#include <stropts.h>
-#include <sys/ioctl.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include "fatal-signal.h"
-#include "socket-util.h"
-#include "util.h"
-#include "vlog.h"
-
-VLOG_DEFINE_THIS_MODULE(tty)
-
-/* Get major() and minor() macros. */
-#if MAJOR_IN_MKDEV
-#  include <sys/mkdev.h>
-#elif MAJOR_IN_SYSMACROS
-#  include <sys/sysmacros.h>
-#else
-#  include <sys/types.h>
-#  ifndef major
-#    define major(dev) (((dev) >> 8) & 0xff)
-#    define minor(dev) ((dev) & 0xff)
-#  endif
-#endif
-
-static int
-fcntl_lock(int fd)
-{
-    struct flock l;
-    memset(&l, 0, sizeof l);
-    l.l_type = F_WRLCK;
-    l.l_whence = SEEK_SET;
-    l.l_start = 0;
-    l.l_len = 0;
-    return fcntl(fd, F_SETLK, &l) == -1 ? errno : 0;
-}
-
-static int
-remove_lockfile(const char *name)
-{
-    char buffer[BUFSIZ];
-    ssize_t n;
-    pid_t pid;
-    int fd;
-
-    /* Remove existing lockfile. */
-    fd = open(name, O_RDWR);
-    if (fd < 0) {
-        if (errno == ENOENT) {
-            return 0;
-        } else {
-            VLOG_ERR("%s: open: %s", name, strerror(errno));
-            return errno;
-        }
-    }
-
-    /* Read lockfile. */
-    n = read(fd, buffer, sizeof buffer - 1);
-    if (n < 0) {
-        int error = errno;
-        VLOG_ERR("%s: read: %s", name, strerror(error));
-        close(fd);
-        return error;
-    }
-    buffer[n] = '\0';
-    if (n == 4 && memchr(buffer, '\0', n)) {
-        int32_t x;
-        memcpy(&x, buffer, sizeof x);
-        pid = x;
-    } else if (n >= 0) {
-        pid = strtol(buffer, NULL, 10);
-    }
-    if (pid <= 0) {
-        close(fd);
-        VLOG_WARN("%s: format not recognized, treating as locked.", name);
-        return EACCES;
-    }
-
-    /* Is lockfile fresh? */
-    if (strstr(buffer, "fcntl")) {
-        int retval = fcntl_lock(fd);
-        if (retval) {
-            close(fd);
-            VLOG_ERR("%s: device is locked (via fcntl): %s",
-                     name, strerror(retval));
-            return retval;
-        } else {
-            VLOG_WARN("%s: removing stale lockfile (checked via fcntl)", name);
-        }
-    } else {
-        if (!(kill(pid, 0) < 0 && errno == ESRCH)) {
-            close(fd);
-            VLOG_ERR("%s: device is locked (without fcntl)", name);
-            return EACCES;
-        } else {
-            VLOG_WARN("%s: removing stale lockfile (without fcntl)", name);
-        }
-    }
-    close(fd);
-
-    /* Remove stale lockfile. */
-    if (unlink(name)) {
-        VLOG_ERR("%s: unlink: %s", name, strerror(errno));
-        return errno;
-    }
-    return 0;
-}
-
-static int
-create_lockfile(const char *name)
-{
-    const char *username;
-    char buffer[BUFSIZ];
-    struct passwd *pwd;
-    mode_t old_umask;
-    uid_t uid;
-    int fd;
-
-    /* Create file. */
-    old_umask = umask(022);
-    fd = open(name, O_WRONLY | O_CREAT | O_EXCL, 0666);
-    if (fd < 0) {
-        int error = errno;
-        VLOG_ERR("%s: create: %s", name, strerror(error));
-        umask(old_umask);
-        return error;
-    }
-    umask(old_umask);
-
-    /* Lock file. */
-    if (fcntl_lock(fd)) {
-        int error = errno;
-        close(fd);
-        VLOG_ERR("%s: cannot lock: %s", name, strerror(error));
-        return error;
-    }
-
-    /* Write to file. */
-    uid = getuid();
-    pwd = getpwuid(uid);
-    username = pwd ? pwd->pw_name : "unknown";
-    snprintf(buffer, sizeof buffer, "%10ld %s %.20s fcntl\n",
-             (long int) getpid(), program_name, username);
-    if (write(fd, buffer, strlen(buffer)) != strlen(buffer)) {
-        int error = errno;
-        VLOG_ERR("%s: write: %s", name, strerror(error));
-        close(fd);
-        unlink(name);
-        return error;
-    }
-
-    /* We intentionally do not close 'fd', to avoid releasing the fcntl lock.
-     * The asssumption here is that we never unlock a tty. */
-    fatal_signal_add_file_to_unlink(name);
-
-    return 0;
-}
-
-static int
-do_lock(char *name)
-{
-    int retval = remove_lockfile(name);
-    if (!retval) {
-        retval = create_lockfile(name);
-    }
-    free(name);
-    return retval;
-}
-
-int
-tty_lock(const char *dev_name)
-{
-    struct stat s;
-    char *name;
-    int retval;
-
-    /* Check that the lockfile directory exists. */
-    if (stat(TTY_LOCK_DIR, &s)) {
-        VLOG_ERR("%s: stat: %s", TTY_LOCK_DIR, strerror(errno));
-        return errno;
-    }
-
-    /* First lock by device number. */
-    if (stat(dev_name, &s)) {
-        VLOG_ERR("%s: stat: %s", dev_name, strerror(errno));
-        return errno;
-    }
-    retval = do_lock(xasprintf("%s/LK.%03d.%03d.%03d", TTY_LOCK_DIR,
-                               major(s.st_dev),
-                               major(s.st_rdev), minor(s.st_rdev)));
-    if (retval) {
-        return retval;
-    }
-
-    /* Then lock by device name. */
-    if (!strncmp(dev_name, "/dev/", 5)) {
-        char *cp;
-
-        name = xasprintf("%s/%s", TTY_LOCK_DIR, dev_name + 5);
-        for (cp = name + strlen(dev_name) + 1; *cp; cp++) {
-            if (*cp == '/') {
-                *cp = '_';
-            }
-        }
-    } else {
-        char *slash = strrchr(dev_name, '/');
-        name = xasprintf ("%s/%s", TTY_LOCK_DIR, slash ? slash + 1 : dev_name);
-    }
-    return do_lock(name);
-}
-
-struct saved_termios {
-    int fd;
-    struct termios tios;
-};
-
-static void
-restore_termios(void *s_)
-{
-    struct saved_termios *s = s_;
-    tcsetattr(s->fd, TCSAFLUSH, &s->tios);
-}
-
-int
-tty_set_raw_mode(int fd, speed_t speed)
-{
-    if (isatty(fd)) {
-        struct termios tios;
-        struct saved_termios *s;
-
-        if (tcgetattr(fd, &tios) < 0) {
-            return errno;
-        }
-
-        s = xmalloc(sizeof *s);
-        s->fd = dup(fd);
-        if (s->fd < 0) {
-            int error = errno;
-            VLOG_WARN("dup failed: %s", strerror(error));
-            free(s);
-            return errno;
-        }
-        s->tios = tios;
-        fatal_signal_add_hook(restore_termios, NULL, s, true);
-
-        tios.c_iflag &= ~(IGNBRK | BRKINT | PARMRK | ISTRIP
-                          | INLCR | IGNCR | ICRNL | IXON);
-        tios.c_oflag &= ~OPOST;
-        tios.c_lflag &= ~(ECHO | ECHONL | ICANON | ISIG | IEXTEN);
-        tios.c_cflag &= ~(CSIZE | PARENB);
-        tios.c_cflag |= CS8;
-        if (speed != B0) {
-            cfsetispeed(&tios, speed);
-            cfsetospeed(&tios, speed);
-        }
-        if (tcsetattr(fd, TCSAFLUSH, &tios) < 0) {
-            return errno;
-        }
-    }
-    return set_nonblocking(fd);
-}
-
-int
-tty_open_master_pty(void)
-{
-    int retval;
-    int fd;
-
-    fd = posix_openpt(O_RDWR | O_NOCTTY);
-    if (fd < 0) {
-        int error = errno;
-        VLOG_WARN("posix_openpt failed: %s", strerror(error));
-        close(fd);
-        return -error;
-    }
-
-    if (grantpt(fd) < 0) {
-        int error = errno;
-        VLOG_WARN("grantpt failed: %s", strerror(error));
-        close(fd);
-        return -error;
-    }
-
-    if (unlockpt(fd) < 0) {
-        int error = errno;
-        VLOG_WARN("unlockpt failed: %s", strerror(error));
-        close(fd);
-        return -error;
-    }
-
-    retval = set_nonblocking(fd);
-    if (retval) {
-        VLOG_WARN("set_nonblocking failed: %s", strerror(retval));
-        close(fd);
-        return retval;
-    }
-
-    return fd;
-}
-
-int
-tty_fork_child(int master_fd, char *argv[])
-{
-    int retval = fork();
-    if (!retval) {
-        char *slave_name;
-        int slave_fd;
-        int fd;
-
-        /* Running in child process. */
-        fatal_signal_fork();
-
-        /* Open pty slave as controlling terminal. */
-        setsid();
-        slave_name = ptsname(master_fd);
-        if (slave_name == NULL) {
-            ovs_fatal(errno, "ptsname");
-        }
-        slave_fd = open(slave_name, O_RDWR);
-        if (isastream(slave_fd)
-            && (ioctl(slave_fd, I_PUSH, "ptem") < 0
-                || ioctl(slave_fd, I_PUSH, "ldterm") < 0)) {
-            ovs_fatal(errno, "STREAMS ioctl");
-        }
-
-        /* Make pty slave stdin, stdout. */
-        if (dup2(slave_fd, STDIN_FILENO) < 0
-            || dup2(slave_fd, STDOUT_FILENO) < 0
-            || dup2(slave_fd, STDERR_FILENO) < 0) {
-            ovs_fatal(errno, "dup2");
-        }
-
-        /* Close other file descriptors. */
-        for (fd = 3; fd < 20; fd++) {
-            close(fd);
-        }
-
-        /* Set terminal type. */
-        setenv("TERM", "ezio3", true);
-
-        /* Invoke subprocess. */
-        execvp(argv[0], argv);
-        ovs_fatal(errno, "execvp");
-    } else if (retval > 0) {
-        /* Running in parent process. */
-        return 0;
-    } else {
-        /* Fork failed. */
-        VLOG_WARN("fork failed: %s", strerror(errno));
-        return errno;
-    }
-}
-
-int
-tty_set_window_size(int fd OVS_UNUSED,
-                    int rows OVS_UNUSED,
-                    int columns OVS_UNUSED)
-{
-#ifdef TIOCGWINSZ
-    struct winsize win;
-    win.ws_row = rows;
-    win.ws_col = columns;
-    win.ws_xpixel = 0;
-    win.ws_ypixel = 0;
-    if (ioctl(fd, TIOCSWINSZ, &win) == -1) {
-        return errno;
-    }
-#else
-#error
-#endif
-    return 0;
-}