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1 files changed, 185 insertions, 0 deletions

diff --git a/loginrec.h b/loginrec.h
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index 0000000..03d26b9
--- /dev/null
+++ b/loginrec.h
@@ -0,0 +1,185 @@
+#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"
+
+/* RCSID("Id: loginrec.h,v 1.2 2004/05/04 10:17:43 matt Exp "); */
+
+/* The following #defines are from OpenSSH's defines.h, required for loginrec */
+
+/* FIXME: put default paths back in */
+#ifndef UTMP_FILE
+#  ifdef _PATH_UTMP
+#    define UTMP_FILE _PATH_UTMP
+#  else
+#    ifdef CONF_UTMP_FILE
+#      define UTMP_FILE CONF_UTMP_FILE
+#    endif
+#  endif
+#endif
+#ifndef WTMP_FILE
+#  ifdef _PATH_WTMP
+#    define WTMP_FILE _PATH_WTMP
+#  else
+#    ifdef CONF_WTMP_FILE
+#      define WTMP_FILE CONF_WTMP_FILE
+#    endif
+#  endif
+#endif
+/* pick up the user's location for lastlog if given */
+#ifndef LASTLOG_FILE
+#  ifdef _PATH_LASTLOG
+#    define LASTLOG_FILE _PATH_LASTLOG
+#  else
+#    ifdef CONF_LASTLOG_FILE
+#      define LASTLOG_FILE CONF_LASTLOG_FILE
+#    endif
+#  endif
+#endif
+
+
+/* The login() library function in libutil is first choice */
+#if defined(HAVE_LOGIN) && !defined(DISABLE_LOGIN)
+#  define USE_LOGIN
+
+#else
+/* Simply select your favourite login types. */
+/* Can't do if-else because some systems use several... <sigh> */
+#  if defined(UTMPX_FILE) && !defined(DISABLE_UTMPX)
+#    define USE_UTMPX
+#  endif
+#  if defined(UTMP_FILE) && !defined(DISABLE_UTMP)
+#    define USE_UTMP
+#  endif
+#  if defined(WTMPX_FILE) && !defined(DISABLE_WTMPX)
+#    define USE_WTMPX
+#  endif
+#  if defined(WTMP_FILE) && !defined(DISABLE_WTMP)
+#    define USE_WTMP
+#  endif
+
+#endif
+
+/* I hope that the presence of LASTLOG_FILE is enough to detect this */
+#if defined(LASTLOG_FILE) && !defined(DISABLE_LASTLOG)
+#  define USE_LASTLOG
+#endif
+
+
+/**
+ ** 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;
+#ifdef HAVE_STRUCT_SOCKADDR_STORAGE
+	struct sockaddr_storage sa_storage;
+#endif
+};
+
+/*
+ *   * 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 64
+#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_*) */
+	int        pid;                          /* PID of login process */
+	int        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 */
+
+struct logininfo *login_alloc_entry(int 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, int 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);
+
+/* produce various forms of the line filename */
+char *line_fullname(char *dst, const char *src, size_t dstsize);
+char *line_stripname(char *dst, const char *src, size_t dstsize);
+char *line_abbrevname(char *dst, const char *src, size_t dstsize);
+
+#endif /* _HAVE_LOGINREC_H_ */