- Renamed BSD helper function files to bsd-*

 - Added tests for login and daemon and OpenBSD replacements for when they
   are absent.

1 files changed, 189 insertions, 0 deletions

diff --git a/bsd-mktemp.c b/bsd-mktemp.c
new file mode 100644
index 000000000..cdef62da2
--- /dev/null
+++ b/bsd-mktemp.c
@@ -0,0 +1,189 @@
+/* THIS FILE HAS BEEN MODIFIED FROM THE ORIGINAL OPENBSD SOURCE */
+/* Changes: Removed mktemp */
+
+/*
+ * Copyright (c) 1987, 1993
+ *	The Regents of the University of California.  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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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 "config.h"
+
+#ifndef HAVE_MKDTEMP
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char rcsid[] = "$OpenBSD: mktemp.c,v 1.13 1998/06/30 23:03:13 deraadt Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <unistd.h>
+
+#include "helper.h"
+
+static int _gettemp(char *, int *, int, int);
+
+int
+mkstemps(path, slen)
+	char *path;
+	int slen;
+{
+	int fd;
+
+	return (_gettemp(path, &fd, 0, slen) ? fd : -1);
+}
+
+int
+mkstemp(path)
+	char *path;
+{
+	int fd;
+
+	return (_gettemp(path, &fd, 0, 0) ? fd : -1);
+}
+
+char *
+mkdtemp(path)
+	char *path;
+{
+	return(_gettemp(path, (int *)NULL, 1, 0) ? path : (char *)NULL);
+}
+
+static int
+_gettemp(path, doopen, domkdir, slen)
+	char *path;
+	register int *doopen;
+	int domkdir;
+	int slen;
+{
+	register char *start, *trv, *suffp;
+	struct stat sbuf;
+	int pid, rval;
+
+	if (doopen && domkdir) {
+		errno = EINVAL;
+		return(0);
+	}
+
+	for (trv = path; *trv; ++trv)
+		;
+	trv -= slen;
+	suffp = trv;
+	--trv;
+	if (trv < path) {
+		errno = EINVAL;
+		return (0);
+	}
+	pid = getpid();
+	while (*trv == 'X' && pid != 0) {
+		*trv-- = (pid % 10) + '0';
+		pid /= 10;
+	}
+	while (*trv == 'X') {
+		char c;
+
+		pid = (arc4random() & 0xffff) % (26+26);
+		if (pid < 26)
+			c = pid + 'A';
+		else
+			c = (pid - 26) + 'a';
+		*trv-- = c;
+	}
+	start = trv + 1;
+
+	/*
+	 * check the target directory; if you have six X's and it
+	 * doesn't exist this runs for a *very* long time.
+	 */
+	if (doopen || domkdir) {
+		for (;; --trv) {
+			if (trv <= path)
+				break;
+			if (*trv == '/') {
+				*trv = '\0';
+				rval = stat(path, &sbuf);
+				*trv = '/';
+				if (rval != 0)
+					return(0);
+				if (!S_ISDIR(sbuf.st_mode)) {
+					errno = ENOTDIR;
+					return(0);
+				}
+				break;
+			}
+		}
+	}
+
+	for (;;) {
+		if (doopen) {
+			if ((*doopen =
+			    open(path, O_CREAT|O_EXCL|O_RDWR, 0600)) >= 0)
+				return(1);
+			if (errno != EEXIST)
+				return(0);
+		} else if (domkdir) {
+			if (mkdir(path, 0700) == 0)
+				return(1);
+			if (errno != EEXIST)
+				return(0);
+		} else if (lstat(path, &sbuf))
+			return(errno == ENOENT ? 1 : 0);
+
+		/* tricky little algorithm for backward compatibility */
+		for (trv = start;;) {
+			if (!*trv)
+				return (0);
+			if (*trv == 'Z') {
+				if (trv == suffp)
+					return (0);
+				*trv++ = 'a';
+			} else {
+				if (isdigit(*trv))
+					*trv = 'a';
+				else if (*trv == 'z')	/* inc from z to A */
+					*trv = 'A';
+				else {
+					if (trv == suffp)
+						return (0);
+					++*trv;
+				}
+				break;
+			}
+		}
+	}
+	/*NOTREACHED*/
+}
+
+#endif /* !HAVE_MKDTEMP */