Initial import of OpenSSH post-2.2.0 snapshot dated 2000-09-09

1 files changed, 99 insertions, 0 deletions

diff --git a/crypto/openssh/util.c b/crypto/openssh/util.c
new file mode 100644
index 0000000..71808f1
--- /dev/null
+++ b/crypto/openssh/util.c
@@ -0,0 +1,99 @@
+/*	$OpenBSD: util.c,v 1.5 2000/09/07 20:27:55 deraadt Exp $	*/
+
+/*
+ * Copyright (c) 2000 Markus Friedl.  All rights reserved.
+ *
+ * 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.
+ *
+ * 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.
+ */
+
+#include "includes.h"
+RCSID("$OpenBSD: util.c,v 1.5 2000/09/07 20:27:55 deraadt Exp $");
+
+#include "ssh.h"
+
+char *
+chop(char *s)
+{
+	char *t = s;
+	while (*t) {
+		if(*t == '\n' || *t == '\r') {
+			*t = '\0';
+			return s;
+		}
+		t++;
+	}
+	return s;
+
+}
+
+void
+set_nonblock(int fd)
+{
+	int val;
+	if (isatty(fd)) {
+		/* do not mess with tty's */
+		debug("no set_nonblock for tty fd %d", fd);
+		return;
+	}
+	val = fcntl(fd, F_GETFL, 0);
+	if (val < 0) {
+		error("fcntl(%d, F_GETFL, 0): %s", fd, strerror(errno));
+		return;
+	}
+	if (val & O_NONBLOCK)
+		return;
+	debug("fd %d setting O_NONBLOCK", fd);
+	val |= O_NONBLOCK;
+	if (fcntl(fd, F_SETFL, val) == -1)
+		if (errno != ENODEV)
+			error("fcntl(%d, F_SETFL, O_NONBLOCK): %s",
+			    fd, strerror(errno));
+}
+
+/* Characters considered whitespace in strsep calls. */
+#define WHITESPACE " \t\r\n"
+
+char *
+strdelim(char **s)
+{
+	char *old;
+	int wspace = 0;
+
+	if (*s == NULL)
+		return NULL;
+
+	old = *s;
+
+	*s = strpbrk(*s, WHITESPACE "=");
+	if (*s == NULL)
+		return (old);
+
+	/* Allow only one '=' to be skipped */
+	if (*s[0] == '=')
+		wspace = 1;
+	*s[0] = '\0';
+
+	*s += strspn(*s + 1, WHITESPACE) + 1;
+	if (*s[0] == '=' && !wspace)
+		*s += strspn(*s + 1, WHITESPACE) + 1;
+
+	return (old);
+}