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-rw-r--r--crypto/openssh/sshpty.c249
1 files changed, 0 insertions, 249 deletions
diff --git a/crypto/openssh/sshpty.c b/crypto/openssh/sshpty.c
deleted file mode 100644
index 79c62ee..0000000
--- a/crypto/openssh/sshpty.c
+++ /dev/null
@@ -1,249 +0,0 @@
-/* $OpenBSD: sshpty.c,v 1.26 2006/08/03 03:34:42 deraadt Exp $ */
-/*
- * Author: Tatu Ylonen <ylo@cs.hut.fi>
- * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
- * All rights reserved
- * Allocating a pseudo-terminal, and making it the controlling tty.
- *
- * As far as I am concerned, the code I have written for this software
- * can be used freely for any purpose. Any derived versions of this
- * software must be clearly marked as such, and if the derived work is
- * incompatible with the protocol description in the RFC file, it must be
- * called by a name other than "ssh" or "Secure Shell".
- */
-
-#include "includes.h"
-
-#include <sys/types.h>
-#include <sys/ioctl.h>
-#include <sys/stat.h>
-#include <signal.h>
-
-#include <errno.h>
-#include <fcntl.h>
-#include <grp.h>
-#ifdef HAVE_PATHS_H
-# include <paths.h>
-#endif
-#include <pwd.h>
-#include <stdarg.h>
-#include <string.h>
-#include <termios.h>
-#ifdef HAVE_UTIL_H
-# include <util.h>
-#endif
-#include <unistd.h>
-
-#include "sshpty.h"
-#include "log.h"
-#include "misc.h"
-
-#ifdef HAVE_PTY_H
-# include <pty.h>
-#endif
-
-#ifndef O_NOCTTY
-#define O_NOCTTY 0
-#endif
-
-/*
- * Allocates and opens a pty. Returns 0 if no pty could be allocated, or
- * nonzero if a pty was successfully allocated. On success, open file
- * descriptors for the pty and tty sides and the name of the tty side are
- * returned (the buffer must be able to hold at least 64 characters).
- */
-
-int
-pty_allocate(int *ptyfd, int *ttyfd, char *namebuf, size_t namebuflen)
-{
- /* openpty(3) exists in OSF/1 and some other os'es */
- char *name;
- int i;
-
- i = openpty(ptyfd, ttyfd, NULL, NULL, NULL);
- if (i < 0) {
- error("openpty: %.100s", strerror(errno));
- return 0;
- }
- name = ttyname(*ttyfd);
- if (!name)
- fatal("openpty returns device for which ttyname fails.");
-
- strlcpy(namebuf, name, namebuflen); /* possible truncation */
- return 1;
-}
-
-/* Releases the tty. Its ownership is returned to root, and permissions to 0666. */
-
-void
-pty_release(const char *tty)
-{
- if (chown(tty, (uid_t) 0, (gid_t) 0) < 0)
- error("chown %.100s 0 0 failed: %.100s", tty, strerror(errno));
- if (chmod(tty, (mode_t) 0666) < 0)
- error("chmod %.100s 0666 failed: %.100s", tty, strerror(errno));
-}
-
-/* Makes the tty the process's controlling tty and sets it to sane modes. */
-
-void
-pty_make_controlling_tty(int *ttyfd, const char *tty)
-{
- int fd;
-#ifdef USE_VHANGUP
- void *old;
-#endif /* USE_VHANGUP */
-
-#ifdef _UNICOS
- if (setsid() < 0)
- error("setsid: %.100s", strerror(errno));
-
- fd = open(tty, O_RDWR|O_NOCTTY);
- if (fd != -1) {
- signal(SIGHUP, SIG_IGN);
- ioctl(fd, TCVHUP, (char *)NULL);
- signal(SIGHUP, SIG_DFL);
- setpgid(0, 0);
- close(fd);
- } else {
- error("Failed to disconnect from controlling tty.");
- }
-
- debug("Setting controlling tty using TCSETCTTY.");
- ioctl(*ttyfd, TCSETCTTY, NULL);
- fd = open("/dev/tty", O_RDWR);
- if (fd < 0)
- error("%.100s: %.100s", tty, strerror(errno));
- close(*ttyfd);
- *ttyfd = fd;
-#else /* _UNICOS */
-
- /* First disconnect from the old controlling tty. */
-#ifdef TIOCNOTTY
- fd = open(_PATH_TTY, O_RDWR | O_NOCTTY);
- if (fd >= 0) {
- (void) ioctl(fd, TIOCNOTTY, NULL);
- close(fd);
- }
-#endif /* TIOCNOTTY */
- if (setsid() < 0)
- error("setsid: %.100s", strerror(errno));
-
- /*
- * Verify that we are successfully disconnected from the controlling
- * tty.
- */
- fd = open(_PATH_TTY, O_RDWR | O_NOCTTY);
- if (fd >= 0) {
- error("Failed to disconnect from controlling tty.");
- close(fd);
- }
- /* Make it our controlling tty. */
-#ifdef TIOCSCTTY
- debug("Setting controlling tty using TIOCSCTTY.");
- if (ioctl(*ttyfd, TIOCSCTTY, NULL) < 0)
- error("ioctl(TIOCSCTTY): %.100s", strerror(errno));
-#endif /* TIOCSCTTY */
-#ifdef NEED_SETPGRP
- if (setpgrp(0,0) < 0)
- error("SETPGRP %s",strerror(errno));
-#endif /* NEED_SETPGRP */
-#ifdef USE_VHANGUP
- old = signal(SIGHUP, SIG_IGN);
- vhangup();
- signal(SIGHUP, old);
-#endif /* USE_VHANGUP */
- fd = open(tty, O_RDWR);
- if (fd < 0) {
- error("%.100s: %.100s", tty, strerror(errno));
- } else {
-#ifdef USE_VHANGUP
- close(*ttyfd);
- *ttyfd = fd;
-#else /* USE_VHANGUP */
- close(fd);
-#endif /* USE_VHANGUP */
- }
- /* Verify that we now have a controlling tty. */
- fd = open(_PATH_TTY, O_WRONLY);
- if (fd < 0)
- error("open /dev/tty failed - could not set controlling tty: %.100s",
- strerror(errno));
- else
- close(fd);
-#endif /* _UNICOS */
-}
-
-/* Changes the window size associated with the pty. */
-
-void
-pty_change_window_size(int ptyfd, u_int row, u_int col,
- u_int xpixel, u_int ypixel)
-{
- struct winsize w;
-
- /* may truncate u_int -> u_short */
- w.ws_row = row;
- w.ws_col = col;
- w.ws_xpixel = xpixel;
- w.ws_ypixel = ypixel;
- (void) ioctl(ptyfd, TIOCSWINSZ, &w);
-}
-
-void
-pty_setowner(struct passwd *pw, const char *tty)
-{
- struct group *grp;
- gid_t gid;
- mode_t mode;
- struct stat st;
-
- /* Determine the group to make the owner of the tty. */
- grp = getgrnam("tty");
- if (grp) {
- gid = grp->gr_gid;
- mode = S_IRUSR | S_IWUSR | S_IWGRP;
- } else {
- gid = pw->pw_gid;
- mode = S_IRUSR | S_IWUSR | S_IWGRP | S_IWOTH;
- }
-
- /*
- * Change owner and mode of the tty as required.
- * Warn but continue if filesystem is read-only and the uids match/
- * tty is owned by root.
- */
- if (stat(tty, &st))
- fatal("stat(%.100s) failed: %.100s", tty,
- strerror(errno));
-
-#ifdef WITH_SELINUX
- ssh_selinux_setup_pty(pw->pw_name, tty);
-#endif
-
- if (st.st_uid != pw->pw_uid || st.st_gid != gid) {
- if (chown(tty, pw->pw_uid, gid) < 0) {
- if (errno == EROFS &&
- (st.st_uid == pw->pw_uid || st.st_uid == 0))
- debug("chown(%.100s, %u, %u) failed: %.100s",
- tty, (u_int)pw->pw_uid, (u_int)gid,
- strerror(errno));
- else
- fatal("chown(%.100s, %u, %u) failed: %.100s",
- tty, (u_int)pw->pw_uid, (u_int)gid,
- strerror(errno));
- }
- }
-
- if ((st.st_mode & (S_IRWXU|S_IRWXG|S_IRWXO)) != mode) {
- if (chmod(tty, mode) < 0) {
- if (errno == EROFS &&
- (st.st_mode & (S_IRGRP | S_IROTH)) == 0)
- debug("chmod(%.100s, 0%o) failed: %.100s",
- tty, (u_int)mode, strerror(errno));
- else
- fatal("chmod(%.100s, 0%o) failed: %.100s",
- tty, (u_int)mode, strerror(errno));
- }
- }
-}
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