import netbsd ftpd

Change-Id: Id7a3dbd40a6f37c55bcbb0d1456301f60626298f
2013-05-30 14:47:40 +00:00
parent eb1e5bf042
commit 62da011387
19 changed files with 13250 additions and 2 deletions
--- a/libexec/ftpd/logwtmp.c
+++ b/libexec/ftpd/logwtmp.c
@@ -0,0 +1,145 @@
+/*	$NetBSD: logwtmp.c,v 1.25 2006/09/23 16:03:50 xtraeme Exp $	*/
+
+/*
+ * Copyright (c) 1988, 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. 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 <sys/cdefs.h>
+#ifndef lint
+#if 0
+static char sccsid[] = "@(#)logwtmp.c	8.1 (Berkeley) 6/4/93";
+#else
+__RCSID("$NetBSD: logwtmp.c,v 1.25 2006/09/23 16:03:50 xtraeme Exp $");
+#endif
+#endif /* not lint */
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/time.h>
+#include <sys/stat.h>
+#include <sys/wait.h>
+
+#include <fcntl.h>
+#include <signal.h>
+#include <stdio.h>
+#include <string.h>
+#include <time.h>
+#include <syslog.h>
+#include <unistd.h>
+#ifdef SUPPORT_UTMP
+#include <utmp.h>
+#endif
+#ifdef SUPPORT_UTMPX
+#include <utmpx.h>
+#endif
+#include <util.h>
+
+#ifdef KERBEROS5
+#include <krb5/krb5.h>
+#endif
+
+#include "extern.h"
+
+#ifdef SUPPORT_UTMP
+static int fd = -1;
+
+void
+ftpd_initwtmp(void)
+{
+	const char *wf = _PATH_WTMP;
+	if ((fd = open(wf, O_WRONLY|O_APPEND, 0)) == -1)
+		syslog(LOG_ERR, "Cannot open `%s' (%m)", wf);
+}
+
+/*
+ * Modified version of logwtmp that holds wtmp file open
+ * after first call, for use with ftp (which may chroot
+ * after login, but before logout).
+ */
+void
+ftpd_logwtmp(const char *line, const char *name, const char *host)
+{
+	struct utmp ut;
+	struct stat buf;
+
+	if (fd < 0)
+		return;
+	if (fstat(fd, &buf) == 0) {
+		(void)strncpy(ut.ut_line, line, sizeof(ut.ut_line));
+		(void)strncpy(ut.ut_name, name, sizeof(ut.ut_name));
+		(void)strncpy(ut.ut_host, host, sizeof(ut.ut_host));
+		(void)time(&ut.ut_time);
+		if (write(fd, (char *)&ut, sizeof(struct utmp)) !=
+		    sizeof(struct utmp))
+			(void)ftruncate(fd, buf.st_size);
+	}
+}
+#endif
+
+#ifdef SUPPORT_UTMPX
+static int fdx = -1;
+
+void
+ftpd_initwtmpx(void)
+{
+	const char *wf = _PATH_WTMPX;
+	if ((fdx = open(wf, O_WRONLY|O_APPEND, 0)) == -1)
+		syslog(LOG_ERR, "Cannot open `%s' (%m)", wf);
+}
+
+void
+ftpd_logwtmpx(const char *line, const char *name, const char *host,
+    struct sockinet *haddr, int status, int utx_type)
+{
+	struct utmpx ut;
+	struct stat buf;
+	
+	if (fdx < 0) 
+		return;
+	if (fstat(fdx, &buf) == 0) {
+		(void)strncpy(ut.ut_line, line, sizeof(ut.ut_line));
+		(void)strncpy(ut.ut_name, name, sizeof(ut.ut_name));
+		(void)strncpy(ut.ut_host, host, sizeof(ut.ut_host));
+		if (haddr)
+			(void)memcpy(&ut.ut_ss, &haddr->si_su, haddr->su_len);
+		else
+			(void)memset(&ut.ut_ss, 0, sizeof(ut.ut_ss));
+		ut.ut_type = utx_type;
+		if (WIFEXITED(status))
+			ut.ut_exit.e_exit = (uint16_t)WEXITSTATUS(status);
+		if (WIFSIGNALED(status))
+		ut.ut_exit.e_termination = (uint16_t)WTERMSIG(status);
+		(void)gettimeofday(&ut.ut_tv, NULL);
+		if(write(fdx, (char *)&ut, sizeof(struct utmpx)) !=
+		    sizeof(struct utmpx))
+			(void)ftruncate(fdx, buf.st_size);
+	}
+}
+#endif