+
/*
- * Copyright (c) 1999-2003 Damien Miller. All rights reserved.
+ * Copyright (c) 1999-2004 Damien Miller <djm@mindrot.org>
*
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
*
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "includes.h"
+
+#include <sys/types.h>
+#ifdef HAVE_SYS_SELECT_H
+# include <sys/select.h>
+#endif
+#ifdef HAVE_SYS_TIME_H
+# include <sys/time.h>
+#endif
+
+#include <string.h>
+#include <signal.h>
+#include <stdlib.h>
+#include <unistd.h>
+
#include "xmalloc.h"
-RCSID("$Id$");
+#ifndef HAVE___PROGNAME
+char *__progname;
+#endif
/*
* NB. duplicate __progname in case it is an alias for argv[0]
* Otherwise it may get clobbered by setproctitle()
*/
-char *get_progname(char *argv0)
+char *ssh_get_progname(char *argv0)
{
#ifdef HAVE___PROGNAME
extern char *__progname;
}
#endif /* HAVE_TRUNCATE */
-#if !defined(HAVE_SETGROUPS) && defined(SETGROUPS_NOOP)
-/*
- * Cygwin setgroups should be a noop.
- */
-int
-setgroups(size_t size, const gid_t *list)
-{
- return (0);
-}
-#endif
-
#if !defined(HAVE_NANOSLEEP) && !defined(HAVE_NSLEEP)
int nanosleep(const struct timespec *req, struct timespec *rem)
{
tremain.tv_sec = 0;
tremain.tv_usec = 0;
}
- TIMEVAL_TO_TIMESPEC(&tremain, rem)
+ if (rem != NULL)
+ TIMEVAL_TO_TIMESPEC(&tremain, rem)
return(rc);
}
-
#endif
#ifndef HAVE_TCGETPGRP
}
#endif /* HAVE_TCGETPGRP */
+#ifndef HAVE_TCSENDBREAK
+int
+tcsendbreak(int fd, int duration)
+{
+# if defined(TIOCSBRK) && defined(TIOCCBRK)
+ struct timeval sleepytime;
+
+ sleepytime.tv_sec = 0;
+ sleepytime.tv_usec = 400000;
+ if (ioctl(fd, TIOCSBRK, 0) == -1)
+ return (-1);
+ (void)select(0, 0, 0, 0, &sleepytime);
+ if (ioctl(fd, TIOCCBRK, 0) == -1)
+ return (-1);
+ return (0);
+# else
+ return -1;
+# endif
+}
+#endif /* HAVE_TCSENDBREAK */
+
+mysig_t
+mysignal(int sig, mysig_t act)
+{
+#ifdef HAVE_SIGACTION
+ struct sigaction sa, osa;
+
+ if (sigaction(sig, NULL, &osa) == -1)
+ return (mysig_t) -1;
+ if (osa.sa_handler != act) {
+ memset(&sa, 0, sizeof(sa));
+ sigemptyset(&sa.sa_mask);
+ sa.sa_flags = 0;
+#ifdef SA_INTERRUPT
+ if (sig == SIGALRM)
+ sa.sa_flags |= SA_INTERRUPT;
+#endif
+ sa.sa_handler = act;
+ if (sigaction(sig, &sa, NULL) == -1)
+ return (mysig_t) -1;
+ }
+ return (osa.sa_handler);
+#else
+ #undef signal
+ return (signal(sig, act));
+#endif
+}
+
+#ifndef HAVE_STRDUP
+char *
+strdup(const char *str)
+{
+ size_t len;
+ char *cp;
+
+ len = strlen(str) + 1;
+ cp = malloc(len);
+ if (cp != NULL)
+ return(memcpy(cp, str, len));
+ return NULL;
+}
+#endif