patch from tito: consolidate delay functions as bb_do_delay()

git-svn-id: svn://busybox.net/trunk/busybox@13135 69ca8d6d-28ef-0310-b511-8ec308f3f277

7 files changed, 38 insertions, 28 deletions

diff --git a/include/libbb.h b/include/libbb.h
index 52d91c826..f6efc40df 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -355,7 +355,7 @@ extern const char * const bb_default_login_shell;
 #define DEFAULT_SHELL_SHORT_NAME     (bb_default_login_shell+6)
 
 
-extern const char bb_path_mtab_file[];
+extern char bb_path_mtab_file[];
 
 extern int bb_default_error_retval;
 
@@ -419,6 +419,7 @@ extern size_t bb_strlen(const char *string);
 char *bb_xasprintf(const char *format, ...) __attribute__ ((format (printf, 1, 2)));
 
 #define FAIL_DELAY    3
+extern void bb_do_delay(int seconds);
 extern void change_identity ( const struct passwd *pw );
 extern const char *change_identity_e2str ( const struct passwd *pw );
 extern void run_shell ( const char *shell, int loginshell, const char *command, const char **additional_args);
diff --git a/libbb/Makefile.in b/libbb/Makefile.in
index 35541231b..91698a919 100644
--- a/libbb/Makefile.in
+++ b/libbb/Makefile.in
@@ -34,7 +34,7 @@ LIBBB_SRC-y:= \
         getopt_ulflags.c default_error_retval.c wfopen_input.c speed_table.c \
         perror_nomsg_and_die.c perror_nomsg.c skip_whitespace.c bb_askpass.c \
         warn_ignoring_args.c concat_subpath_file.c vfork_daemon_rexec.c \
-        bb_echo.c
+        bb_echo.c bb_do_delay.c
 
 LIBBB_SRC-$(CONFIG_FEATURE_SHADOWPASSWDS)+= pwd2spwd.c
 
diff --git a/libbb/bb_do_delay.c b/libbb/bb_do_delay.c
new file mode 100644
index 000000000..ddcff0765
--- /dev/null
+++ b/libbb/bb_do_delay.c
@@ -0,0 +1,31 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Busybox utility routines.
+ *
+ * Copyright (C) 2005 by Tito Ragusa <tito-wolit@tiscali.it>
+ *
+ * Licensed under the GPL v2, see the file LICENSE in this tarball.
+ */
+
+#include <time.h>
+#include <unistd.h>
+
+void bb_do_delay(int seconds)
+{
+        time_t start, now;
+
+        time(&start);
+        now = start;
+        while (difftime(now, start) < seconds) {
+                sleep(seconds);
+                time(&now);
+        }
+}
+
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/loginutils/login.c b/loginutils/login.c
index 6632a7665..21e807615 100644
--- a/loginutils/login.c
+++ b/loginutils/login.c
@@ -198,17 +198,7 @@ auth_ok:
                 if ( !failed)
                         break;
 
-                { // delay next try
-                        time_t start, now;
-
-                        time ( &start );
-                        now = start;
-                        while ( difftime ( now, start ) < FAIL_DELAY) {
-                                sleep ( FAIL_DELAY );
-                                time ( &now );
-                        }
-                }
-
+                bb_do_delay(FAIL_DELAY);
                 puts("Login incorrect");
                 username[0] = 0;
                 if ( ++count == 3 ) {
diff --git a/loginutils/passwd.c b/loginutils/passwd.c
index 5d8380d4c..b60b8973e 100644
--- a/loginutils/passwd.c
+++ b/loginutils/passwd.c
@@ -323,7 +323,6 @@ static int new_password(const struct passwd *pw, int amroot, int algo)
         char *cp;
         char orig[200];
         char pass[200];
-        time_t start, now;
 
         if (!amroot && crypt_passwd[0]) {
                 if (!(clear = bb_askpass(0, "Old password:"))) {
@@ -334,12 +333,7 @@ static int new_password(const struct passwd *pw, int amroot, int algo)
                 if (strcmp(cipher, crypt_passwd) != 0) {
                         syslog(LOG_WARNING, "incorrect password for `%s'",
                                    pw->pw_name);
-                        time(&start);
-                        now = start;
-                        while (difftime(now, start) < FAIL_DELAY) {
-                                sleep(FAIL_DELAY);
-                                time(&now);
-                        }
+                        bb_do_delay(FAIL_DELAY);
                         fprintf(stderr, "Incorrect password.\n");
                         /* return -1; */
                         return 1;
diff --git a/loginutils/sulogin.c b/loginutils/sulogin.c
index 4e689ad68..f54939eef 100644
--- a/loginutils/sulogin.c
+++ b/loginutils/sulogin.c
@@ -58,7 +58,6 @@ extern int sulogin_main(int argc, char **argv)
         
         struct passwd pwent;
         struct passwd *pwd;
-        time_t start, now;
         const char * const *p;
 #ifdef CONFIG_FEATURE_SHADOWPASSWDS
         struct spwd *spwd = NULL;
@@ -140,12 +139,7 @@ extern int sulogin_main(int argc, char **argv)
                 if (strcmp(pw_encrypt(pass, pwent.pw_passwd), pwent.pw_passwd) == 0) {
                         break;
                 }
-                time(&start);
-                now = start;
-                while (difftime(now, start) < FAIL_DELAY) {
-                        sleep(FAIL_DELAY);
-                        time(&now);
-                }
+                bb_do_delay(FAIL_DELAY);
                 puts("Login incorrect");
                 fflush(stdout);
                 syslog(LOG_WARNING, "Incorrect root password\n");
diff --git a/loginutils/vlock.c b/loginutils/vlock.c
index 141767c93..0975b5156 100644
--- a/loginutils/vlock.c
+++ b/loginutils/vlock.c
@@ -135,7 +135,7 @@ extern int vlock_main(int argc, char **argv)
                 if (correct_password (pw)) {
                         break;
                 }
-                sleep(10);
+                bb_do_delay(FAIL_DELAY);
                 puts("Password incorrect.");
         } while (1);
         restore_terminal();