Put ssh back into the repository

Change-Id: I23324372188fa6ed3f93a32b84365f5df6367590
diff --git a/loginrec.h b/loginrec.h
new file mode 100644
index 0000000..28923e7
--- /dev/null
+++ b/loginrec.h
@@ -0,0 +1,131 @@
+#ifndef _HAVE_LOGINREC_H_
+#define _HAVE_LOGINREC_H_
+
+/*
+ * Copyright (c) 2000 Andre Lucas.  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.
+ */
+
+/**
+ ** loginrec.h:  platform-independent login recording and lastlog retrieval
+ **/
+
+#include "includes.h"
+
+/**
+ ** you should use the login_* calls to work around platform dependencies
+ **/
+
+/*
+ * login_netinfo structure
+ */
+
+union login_netinfo {
+	struct sockaddr sa;
+	struct sockaddr_in sa_in;
+	struct sockaddr_storage sa_storage;
+};
+
+/*
+ *   * logininfo structure  *
+ */
+/* types - different to utmp.h 'type' macros */
+/* (though set to the same value as linux, openbsd and others...) */
+#define LTYPE_LOGIN    7
+#define LTYPE_LOGOUT   8
+
+/* string lengths - set very long */
+#define LINFO_PROGSIZE 64
+#define LINFO_LINESIZE 64
+#define LINFO_NAMESIZE 512
+#define LINFO_HOSTSIZE 256
+
+struct logininfo {
+	char       progname[LINFO_PROGSIZE];     /* name of program (for PAM) */
+	int        progname_null;
+	short int  type;                         /* type of login (LTYPE_*) */
+	pid_t      pid;                          /* PID of login process */
+	uid_t      uid;                          /* UID of this user */
+	char       line[LINFO_LINESIZE];         /* tty/pty name */
+	char       username[LINFO_NAMESIZE];     /* login username */
+	char       hostname[LINFO_HOSTSIZE];     /* remote hostname */
+	/* 'exit_status' structure components */
+	int        exit;                        /* process exit status */
+	int        termination;                 /* process termination status */
+	/* struct timeval (sys/time.h) isn't always available, if it isn't we'll
+	 * use time_t's value as tv_sec and set tv_usec to 0
+	 */
+	unsigned int tv_sec;
+	unsigned int tv_usec;
+	union login_netinfo hostaddr;       /* caller's host address(es) */
+}; /* struct logininfo */
+
+/*
+ * login recording functions
+ */
+
+/** 'public' functions */
+
+/* construct a new login entry */
+struct logininfo *login_alloc_entry(pid_t pid, const char *username,
+				    const char *hostname, const char *line);
+/* free a structure */
+void login_free_entry(struct logininfo *li);
+/* fill out a pre-allocated structure with useful information */
+int login_init_entry(struct logininfo *li, pid_t pid, const char *username,
+		     const char *hostname, const char *line);
+/* place the current time in a logininfo struct */
+void login_set_current_time(struct logininfo *li);
+
+/* record the entry */
+int login_login (struct logininfo *li);
+int login_logout(struct logininfo *li);
+#ifdef LOGIN_NEEDS_UTMPX
+int login_utmp_only(struct logininfo *li);
+#endif
+
+/** End of public functions */
+
+/* record the entry */
+int login_write (struct logininfo *li);
+int login_log_entry(struct logininfo *li);
+
+/* set the network address based on network address type */
+void login_set_addr(struct logininfo *li, const struct sockaddr *sa,
+		    const unsigned int sa_size);
+
+/*
+ * lastlog retrieval functions
+ */
+/* lastlog *entry* functions fill out a logininfo */
+struct logininfo *login_get_lastlog(struct logininfo *li, const uid_t uid);
+/* lastlog *time* functions return time_t equivalent (uint) */
+unsigned int login_get_lastlog_time(const uid_t uid);
+
+/* produce various forms of the line filename */
+char *line_fullname(char *dst, const char *src, u_int dstsize);
+char *line_stripname(char *dst, const char *src, int dstsize);
+char *line_abbrevname(char *dst, const char *src, int dstsize);
+
+void record_failed_login(const char *, const char *, const char *);
+
+#endif /* _HAVE_LOGINREC_H_ */