From 7ba29497ff3f164e2a507eda35e81f1cb0658c74 Mon Sep 17 00:00:00 2001
From: Ken Hornstein <kenh@pobox.com>
Date: Tue, 17 Jan 2012 10:57:54 -0500
Subject: [PATCH] Convert from utmp functions to utmpx functions (which are in
 POSIX).

---
 configure.ac |    4 +---
 uip/rcvtty.c |   47 +++++++---------------------------------------
 uip/slocal.c |   59 ++++++++--------------------------------------------------
 3 files changed, 16 insertions(+), 94 deletions(-)

diff --git a/configure.ac b/configure.ac
index 3491f96..18b4ab3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -510,7 +510,7 @@ AC_CHECK_HEADER([sys/ptem.h], AC_DEFINE(WINSIZE_IN_PTEM,1,
 dnl ---------------
 dnl CHECK FUNCTIONS
 dnl ---------------
-AC_CHECK_FUNCS(writev lstat getutent nl_langinfo)
+AC_CHECK_FUNCS(writev lstat nl_langinfo)
 
 dnl Check for multibyte character set support
 if test "x$ac_cv_header_wchar_h" = "xyes" -a "x$ac_cv_header_wctype_h" = "xyes" \
@@ -767,8 +767,6 @@ dnl ----------------
 dnl CHECK STRUCTURES
 dnl ----------------
 
-AC_CHECK_MEMBERS(struct utmp.ut_type,,,[#include <utmp.h>])
-
 AC_STRUCT_DIRENT_D_TYPE
 
 dnl Where is <signal.h> located?  Needed as input for signames.awk
diff --git a/uip/rcvtty.c b/uip/rcvtty.c
index 1ae8576..8e659ff 100644
--- a/uip/rcvtty.c
+++ b/uip/rcvtty.c
@@ -22,17 +22,7 @@
 #include <signal.h>
 #include <fcntl.h>
 
-#include <utmp.h>
-
-#ifndef HAVE_GETUTENT
-# ifndef UTMP_FILE
-#  ifdef _PATH_UTMP
-#   define UTMP_FILE _PATH_UTMP
-#  else
-#   define UTMP_FILE "/etc/utmp"
-#  endif
-# endif
-#endif
+#include <utmpx.h>
 
 #define	SCANFMT	\
 "%2(hour{dtimenow}):%02(min{dtimenow}): %<(size)%5(size) %>%<{encrypted}E%>\
@@ -91,13 +81,7 @@ main (int argc, char **argv)
     int md, vecp = 0;
     char *cp, *user, buf[BUFSIZ], tty[BUFSIZ];
     char **argp, **arguments, *vec[MAXARGS];
-#ifdef HAVE_GETUTENT
-    struct utmp * utp;
-#else
-    struct utmp ut;
-    register FILE *uf;
-#endif
-
+    struct utmpx *utp;
 #ifdef LOCALE
     setlocale(LC_ALL, "");
 #endif
@@ -172,33 +156,16 @@ main (int argc, char **argv)
 
     user = getusername();
 
-#ifdef HAVE_GETUTENT
-    setutent();
-    while ((utp = getutent()) != NULL) {
-        if (
-#ifdef HAVE_STRUCT_UTMP_UT_TYPE
-	       utp->ut_type == USER_PROCESS 
-	       &&
-#endif
-               utp->ut_name[0] != 0
+    setutxent();
+    while ((utp = getutxent()) != NULL) {
+        if (utp->ut_type == USER_PROCESS && utp->ut_user[0] != 0
                && utp->ut_line[0] != 0
-               && strncmp (user, utp->ut_name, sizeof(utp->ut_name)) == 0) {
+               && strncmp (user, utp->ut_user, sizeof(utp->ut_user)) == 0) {
             strncpy (tty, utp->ut_line, sizeof(utp->ut_line));
 	    alert (tty, md);
         }
     }
-    endutent();
-#else
-    if ((uf = fopen (UTMP_FILE, "r")) == NULL)
-	exit (RCV_MBX);
-    while (fread ((char *) &ut, sizeof(ut), 1, uf) == 1)
-	if (ut.ut_name[0] != 0
-		&& strncmp (user, ut.ut_name, sizeof(ut.ut_name)) == 0) {
-	    strncpy (tty, ut.ut_line, sizeof(ut.ut_line));
-	    alert (tty, md);
-	}
-    fclose (uf);
-#endif
+    endutxent();
 
     exit (RCV_MOK);
     return 0;  /* dead code to satisfy the compiler */
diff --git a/uip/slocal.c b/uip/slocal.c
index d701e78..5026d82 100644
--- a/uip/slocal.c
+++ b/uip/slocal.c
@@ -51,17 +51,7 @@
 #include NDBM_HEADER
 #endif
 
-#include <utmp.h>
-
-#ifndef HAVE_GETUTENT
-# ifndef UTMP_FILE
-#  ifdef _PATH_UTMP
-#   define UTMP_FILE _PATH_UTMP
-#  else
-#   define UTMP_FILE "/etc/utmp"
-#  endif
-# endif
-#endif
+#include <utmpx.h>
 
 static struct swit switches[] = {
 #define	ADDRSW         0
@@ -937,62 +927,29 @@ lookup (struct pair *pairs, char *key)
  * logged in.
  */
 
-#ifdef HAVE_GETUTENT
 static int
 logged_in (void)
 {
-    struct utmp * utp;
+    struct utmpx *utp;
 
     if (utmped)
         return utmped;
 
-    setutent();
+    setutxent();
 
-    while ((utp = getutent()) != NULL) {
-        if (
-#ifdef HAVE_STRUCT_UTMP_UT_TYPE
-		utp->ut_type == USER_PROCESS
-                &&
-#endif
-		utp->ut_name[0] != 0
-                && strncmp (user, utp->ut_name, sizeof(utp->ut_name)) == 0) {
+    while ((utp = getutxent()) != NULL) {
+        if ( utp->ut_type == USER_PROCESS && utp->ut_user[0] != 0
+                && strncmp (user, utp->ut_user, sizeof(utp->ut_user)) == 0) {
             if (debug)
                 continue;
-            endutent();
+            endutxent();
             return (utmped = DONE);
         }
     }
 
-    endutent();
+    endutxent();
     return (utmped = NOTOK);
 }
-#else
-static int
-logged_in (void)
-{
-    struct utmp ut;
-    FILE *uf;
-
-    if (utmped)
-	return utmped;
-
-    if ((uf = fopen (UTMP_FILE, "r")) == NULL)
-	return NOTOK;
-
-    while (fread ((char *) &ut, sizeof(ut), 1, uf) == 1) {
-	if (ut.ut_name[0] != 0
-	    && strncmp (user, ut.ut_name, sizeof(ut.ut_name)) == 0) {
-	    if (debug)
-		continue;
-	    fclose (uf);
-	    return (utmped = DONE);
-	}
-    }
-
-    fclose (uf);
-    return (utmped = NOTOK);
-}
-#endif
 
 #define	check(t,a,b)		if (t < a || t > b) return -1
 #define	cmpar(h1,m1,h2,m2)	if (h1 < h2 || (h1 == h2 && m1 < m2)) return 0
-- 
1.7.10.4