Patch by jonlar in Bug 312 to split the U_W_TMP feature into sep UTMP and WTMP options

git-svn-id: svn://busybox.net/trunk/busybox@10679 69ca8d6d-28ef-0310-b511-8ec308f3f277

6 files changed, 35 insertions, 27 deletions

diff --git a/coreutils/Config.in b/coreutils/Config.in
index 6d19909a8..79081e5f7 100644
--- a/coreutils/Config.in
+++ b/coreutils/Config.in
@@ -597,7 +597,7 @@ config CONFIG_WC
 config CONFIG_WHO
         bool "who"
         default n
-        select CONFIG_FEATURE_U_W_TMP
+        select CONFIG_FEATURE_UTMP
         help
           who is used to show who is logged on.
 
diff --git a/loginutils/Config.in b/loginutils/Config.in
index 5619aa9af..12c208c64 100644
--- a/loginutils/Config.in
+++ b/loginutils/Config.in
@@ -57,14 +57,21 @@ config CONFIG_GETTY
         help
           getty lets you log in on a tty, it is normally invoked by init.
 
-config CONFIG_FEATURE_U_W_TMP
-        bool "  Support utmp and wtmp files"
-        depends on CONFIG_GETTY || CONFIG_LOGIN || CONFIG_SU || CONFIG_WHO || CONFIG_LAST
+config CONFIG_FEATURE_UTMP
+        bool "  Support utmp file"
+        depends on CONFIG_GETTY || CONFIG_LOGIN || CONFIG_SU || CONFIG_WHO 
         default n
         help
-          The files /var/run/utmp and /var/run/wtmp can be used to track when
-          user's have logged into and logged out of the system, allowing programs
-          such as 'who' and 'last' to list who is currently logged in.
+          The file /var/run/utmp is used to track who is currently logged in.
+
+config CONFIG_FEATURE_WTMP
+        bool "  Support wtmp file"
+        depends on CONFIG_GETTY || CONFIG_LOGIN || CONFIG_SU || CONFIG_LAST
+        default n
+        select CONFIG_FEATURE_UTMP
+        help
+          The file /var/run/wtmp is used to track when user's have logged into 
+          and logged out of the system.
 
 config CONFIG_LOGIN
         bool "login"
diff --git a/loginutils/getty.c b/loginutils/getty.c
index 3dd6258c5..9950988f4 100644
--- a/loginutils/getty.c
+++ b/loginutils/getty.c
@@ -47,7 +47,7 @@
 
 #ifdef LOGIN_PROCESS                    /* defined in System V utmp.h */
 #define SYSV_STYLE                              /* select System V style getty */
-#ifdef CONFIG_FEATURE_U_W_TMP
+#ifdef CONFIG_FEATURE_WTMP
 extern void updwtmp(const char *filename, const struct utmp *ut);
 #endif
 #endif  /* LOGIN_PROCESS */
@@ -231,7 +231,7 @@ static int caps_lock(const char *s);
 static int bcode(char *s);
 static void error(const char *fmt, ...) __attribute__ ((noreturn));
 
-#ifdef CONFIG_FEATURE_U_W_TMP
+#ifdef CONFIG_FEATURE_UTMP
 static void update_utmp(char *line);
 #endif
 
@@ -289,7 +289,7 @@ int getty_main(int argc, char **argv)
 
 
 #ifdef  SYSV_STYLE
-#ifdef CONFIG_FEATURE_U_W_TMP
+#ifdef CONFIG_FEATURE_UTMP
         update_utmp(options.tty);
 #endif
 #endif
@@ -482,7 +482,7 @@ static void parse_speeds(struct options *op, char *arg)
 }
 
 #ifdef  SYSV_STYLE
-#ifdef CONFIG_FEATURE_U_W_TMP
+#ifdef CONFIG_FEATURE_UTMP
 
 /* update_utmp - update our utmp entry */
 static void update_utmp(char *line)
@@ -533,15 +533,14 @@ static void update_utmp(char *line)
         pututline(&ut);
         endutent();
 
-        {
-                if (access(_PATH_WTMP, R_OK|W_OK) == -1) {
-                        close(creat(_PATH_WTMP, 0664));
-                }
-                updwtmp(_PATH_WTMP, &ut);
-        }
+#ifdef CONFIG_FEATURE_WTMP
+        if (access(_PATH_WTMP, R_OK|W_OK) == -1) 
+                close(creat(_PATH_WTMP, 0664));
+        updwtmp(_PATH_WTMP, &ut);
+#endif
 }
 
-#endif /* CONFIG_FEATURE_U_W_TMP */
+#endif /* CONFIG_FEATURE_UTMP */
 #endif /* SYSV_STYLE */
 
 /* open_tty - set up tty as standard { input, output, error } */
diff --git a/loginutils/login.c b/loginutils/login.c
index 5186e2369..6632a7665 100644
--- a/loginutils/login.c
+++ b/loginutils/login.c
@@ -23,7 +23,7 @@
 #include <errno.h>
 #endif
 
-#ifdef CONFIG_FEATURE_U_W_TMP
+#ifdef CONFIG_FEATURE_UTMP
 // import from utmp.c
 static void checkutmp(int picky);
 static void setutmp(const char *name, const char *line);
@@ -121,7 +121,7 @@ extern int login_main(int argc, char **argv)
         if ( !isatty ( 0 ) || !isatty ( 1 ) || !isatty ( 2 ))
                 return EXIT_FAILURE;            /* Must be a terminal */
 
-#ifdef CONFIG_FEATURE_U_W_TMP
+#ifdef CONFIG_FEATURE_UTMP
         checkutmp ( !amroot );
 #endif
 
@@ -133,13 +133,13 @@ extern int login_main(int argc, char **argv)
         else
                 safe_strncpy ( tty, "UNKNOWN", sizeof( tty ));
 
-#ifdef CONFIG_FEATURE_U_W_TMP
+#ifdef CONFIG_FEATURE_UTMP
         if ( amroot )
                 memset ( utent.ut_host, 0, sizeof utent.ut_host );
 #endif
 
         if ( opt_host ) {
-#ifdef CONFIG_FEATURE_U_W_TMP
+#ifdef CONFIG_FEATURE_UTMP
                 safe_strncpy ( utent.ut_host, opt_host, sizeof( utent. ut_host ));
 #endif
                 snprintf ( fromhost, sizeof( fromhost ) - 1, " on `%.100s' from `%.200s'", tty, opt_host );
@@ -221,7 +221,7 @@ auth_ok:
         if ( check_nologin ( pw-> pw_uid == 0 ))
                 return EXIT_FAILURE;
 
-#ifdef CONFIG_FEATURE_U_W_TMP
+#ifdef CONFIG_FEATURE_UTMP
         setutmp ( username, tty );
 #endif
 
@@ -402,7 +402,7 @@ static void motd (void)
 }
 
 
-#ifdef CONFIG_FEATURE_U_W_TMP
+#ifdef CONFIG_FEATURE_UTMP
 // vv  Taken from tinylogin utmp.c  vv
 
 #define NO_UTENT \
@@ -480,9 +480,11 @@ static void setutmp(const char *name, const char *line)
         setutent();
         pututline(&utent);
         endutent();
+#ifdef CONFIG_FEATURE_WTMP
         if (access(_PATH_WTMP, R_OK|W_OK) == -1) {
                 close(creat(_PATH_WTMP, 0664));
         }
         updwtmp(_PATH_WTMP, &utent);
+#endif
 }
-#endif /* CONFIG_FEATURE_U_W_TMP */
+#endif /* CONFIG_FEATURE_UTMP */
diff --git a/loginutils/su.c b/loginutils/su.c
index 5f6140917..3e82d2428 100644
--- a/loginutils/su.c
+++ b/loginutils/su.c
@@ -91,7 +91,7 @@ int su_main ( int argc, char **argv )
                 opt_args = argv + optind;
 
 #if defined( SYSLOG_SUCCESS ) || defined( SYSLOG_FAILURE )
-#ifdef CONFIG_FEATURE_U_W_TMP
+#ifdef CONFIG_FEATURE_UTMP
         /* The utmp entry (via getlogin) is probably the best way to identify
            the user, especially if someone su's from a su-shell.  */
         old_user = getlogin ( );
diff --git a/miscutils/Config.in b/miscutils/Config.in
index b02def60c..79f44274f 100644
--- a/miscutils/Config.in
+++ b/miscutils/Config.in
@@ -93,7 +93,7 @@ config CONFIG_EJECT
 config CONFIG_LAST
         bool "last"
         default n
-        select CONFIG_FEATURE_U_W_TMP
+        select CONFIG_FEATURE_WTMP
         help
           'last' displays a list of the last users that logged into the system.