[svn-upgrade] Integrating new upstream version, shadow (19990709)

libmisc/sulog.c

@@ -0,0 +1,77 @@
+/*
+ * Copyright 1989 - 1992, Julianne Frances Haugh
+ * 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. Neither the name of Julianne F. Haugh 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 JULIE HAUGH 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 JULIE HAUGH 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>
+
+#include "rcsid.h"
+RCSID("$Id: sulog.c,v 1.4 1998/04/02 21:51:51 marekm Exp $")
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <stdio.h>
+#include <time.h>
+#include "defines.h"
+#include "getdef.h"
+
+extern	char	name[];
+extern	char	oldname[];
+extern struct tm *localtime ();
+
+/*
+ * sulog - log a SU command execution result
+ */
+
+void
+sulog(const char *tty, int success)
+{
+	char *sulog_file;
+	time_t now;
+	struct tm *tm;
+	FILE *fp;
+	mode_t oldmask;
+
+	if ((sulog_file = getdef_str("SULOG_FILE")) == (char *) 0)
+		return;
+
+	oldmask = umask(077);
+	fp = fopen(sulog_file, "a+");
+	umask(oldmask);
+	if (fp == (FILE *) 0)
+		return;			/* can't open or create logfile */
+
+	time(&now);
+	tm = localtime(&now);
+
+	fprintf(fp, "SU %.02d/%.02d %.02d:%.02d %c %.6s %s-%s\n",
+		tm->tm_mon + 1, tm->tm_mday, tm->tm_hour, tm->tm_min,
+		success ? '+':'-', tty, oldname, name);
+
+	fflush(fp);
+	fclose(fp);
+}