move all "-/bin/sh" "/bin/sh" and "sh" to libbb/messages.c file as one

constant.
Vodz last_patch_107


git-svn-id: svn://busybox.net/trunk/busybox@7365 69ca8d6d-28ef-0310-b511-8ec308f3f277

14 files changed, 50 insertions, 37 deletions

diff --git a/coreutils/chroot.c b/coreutils/chroot.c
index 5562e58c8..eeed01302 100644
--- a/coreutils/chroot.c
+++ b/coreutils/chroot.c
@@ -43,7 +43,7 @@ int chroot_main(int argc, char **argv)
         if (argc == 2) {
                 argv -= 2;
                 if (!(*argv = getenv("SHELL"))) {
-                        *argv = (char *) "/bin/sh";
+                        *argv = (char *) DEFAULT_SHELL;
                 }
                 argv[1] = (char *) "-i";
         }
diff --git a/include/libbb.h b/include/libbb.h
index a6d9a510b..64903732d 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -332,6 +332,21 @@ extern const char * const bb_path_group_file;
 extern const char * const bb_path_securetty_file;
 extern const char * const bb_path_motd_file;
 
+/*
+ * You can change LIBBB_DEFAULT_LOGIN_SHELL, but don`t use,
+ * use bb_default_login_shell and next defines,
+ * if you LIBBB_DEFAULT_LOGIN_SHELL change,
+ * don`t lose change increment constant!
+ */
+#define LIBBB_DEFAULT_LOGIN_SHELL      "-/bin/sh"
+
+extern const char * const bb_default_login_shell;
+/* "/bin/sh" */
+#define DEFAULT_SHELL     (bb_default_login_shell+1)
+/* "sh" */
+#define DEFAULT_SHELL_SHORT_NAME     (bb_default_login_shell+6)
+
+
 extern const char bb_path_mtab_file[];
 
 extern int bb_default_error_retval;
diff --git a/init/init.c b/init/init.c
index e52517e91..2f44e13bf 100644
--- a/init/init.c
+++ b/init/init.c
@@ -104,8 +104,6 @@ struct serial_struct {
 
 #define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
 
-#define SHELL        "/bin/sh"  /* Default shell */
-#define LOGIN_SHELL  "-" SHELL  /* Default login shell */
 #define INITTAB      "/etc/inittab"     /* inittab file location */
 #ifndef INIT_SCRIPT
 #define INIT_SCRIPT  "/etc/init.d/rcS"  /* Default sysinit script. */
@@ -180,7 +178,7 @@ static const int RB_AUTOBOOT = 0x01234567;
 static const char * const environment[] = {
         "HOME=/",
         "PATH=" _PATH_STDPATH,
-        "SHELL=" SHELL,
+        "SHELL=/bin/sh",
         "USER=root",
         NULL
 };
@@ -526,7 +524,7 @@ static pid_t run(const struct init_action *a)
 
                 /* See if any special /bin/sh requiring characters are present */
                 if (strpbrk(a->command, "~`!$^&*()=|\\{}[];\"'<>?") != NULL) {
-                        cmd[0] = SHELL;
+                        cmd[0] = (char *)DEFAULT_SHELL;
                         cmd[1] = "-c";
                         cmd[2] = strcat(strcpy(buf, "exec "), a->command);
                         cmd[3] = NULL;
@@ -840,7 +838,7 @@ static void child_handler(int sig)
 
 #endif                                                  /* ! DEBUG_INIT */
 
-static void new_init_action(int action, char *command, const char *cons)
+static void new_init_action(int action, const char *command, const char *cons)
 {
         struct init_action *new_action, *a;
 
@@ -960,10 +958,10 @@ static void parse_inittab(void)
                 /* Prepare to restart init when a HUP is received */
                 new_init_action(RESTART, "/sbin/init", "");
                 /* Askfirst shell on tty1-4 */
-                new_init_action(ASKFIRST, LOGIN_SHELL, "");
-                new_init_action(ASKFIRST, LOGIN_SHELL, VC_2);
-                new_init_action(ASKFIRST, LOGIN_SHELL, VC_3);
-                new_init_action(ASKFIRST, LOGIN_SHELL, VC_4);
+                new_init_action(ASKFIRST, bb_default_login_shell, "");
+                new_init_action(ASKFIRST, bb_default_login_shell, VC_2);
+                new_init_action(ASKFIRST, bb_default_login_shell, VC_3);
+                new_init_action(ASKFIRST, bb_default_login_shell, VC_4);
                 /* sysinit */
                 new_init_action(SYSINIT, INIT_SCRIPT, "");
 
@@ -1116,7 +1114,7 @@ extern int init_main(int argc, char **argv)
         if (argc > 1 && (!strcmp(argv[1], "single") ||
                                          !strcmp(argv[1], "-s") || !strcmp(argv[1], "1"))) {
                 /* Start a shell on console */
-                new_init_action(RESPAWN, LOGIN_SHELL, "");
+                new_init_action(RESPAWN, bb_default_login_shell, "");
         } else {
                 /* Not in single user mode -- see what inittab says */
 
diff --git a/libbb/Makefile.in b/libbb/Makefile.in
index 0d7103ef0..0ccd85dbe 100644
--- a/libbb/Makefile.in
+++ b/libbb/Makefile.in
@@ -59,7 +59,7 @@ LIBBB_MOBJ0:=full_version.o \
         can_not_create_raw_socket.o perm_denied_are_you_root.o \
         shadow_file.o passwd_file.o group_file.o gshadow_file.o nologin_file.o \
         securetty_file.o motd_file.o \
-        msg_standard_input.o msg_standard_output.o
+        msg_standard_input.o msg_standard_output.o shell_file.o
 
 LIBBB_MSRC1:=$(LIBBB_DIR)xfuncs.c
 LIBBB_MOBJ1:=xmalloc.o xrealloc.o xcalloc.o xstrdup.o xstrndup.o \
diff --git a/libbb/messages.c b/libbb/messages.c
index 11493db12..adfd1ffcc 100644
--- a/libbb/messages.c
+++ b/libbb/messages.c
@@ -90,3 +90,7 @@ const char * const bb_path_securetty_file = SECURETTY_FILE;
 const char * const bb_path_motd_file = MOTD_FILE;
 #endif
 
+#ifdef L_shell_file
+const char * const bb_default_login_shell = LIBBB_DEFAULT_LOGIN_SHELL;
+#endif
+
diff --git a/loginutils/adduser.c b/loginutils/adduser.c
index 41dc9f019..c4ab557d0 100644
--- a/loginutils/adduser.c
+++ b/loginutils/adduser.c
@@ -53,7 +53,6 @@ typedef struct {
 static const char default_passwd[] = "x";
 static const char default_gecos[] = "Linux User,,,";
 static const char default_home_prefix[] = "/home";
-static const char default_shell[] = "/bin/sh";
 
 #ifdef CONFIG_FEATURE_SHADOWPASSWDS
 /* shadow in use? */
@@ -257,7 +256,7 @@ int adduser_main(int argc, char **argv)
         const char *login;
         const char *gecos = default_gecos;
         const char *home = NULL;
-        const char *shell = default_shell;
+        const char *shell = DEFAULT_SHELL;
         const char *usegroup = NULL;
         int flags;
         int setpass = 1;
diff --git a/loginutils/login.c b/loginutils/login.c
index c2bada258..3fca899c0 100644
--- a/loginutils/login.c
+++ b/loginutils/login.c
@@ -65,7 +65,7 @@ extern int login_main(int argc, char **argv)
         char full_tty[200];
         char fromhost[512];
         char username[USERNAME_SIZE];
-        char *tmp;
+        const char *tmp;
         int amroot;
         int flag;
         int failed;
@@ -267,15 +267,17 @@ auth_ok:
         chmod ( full_tty, 0600 );
 
         change_identity ( pw );
-        setup_environment ( pw-> pw_shell, 1, !opt_preserve, pw );
+        tmp = pw-> pw_shell;
+        if(!tmp || !*tmp)
+                tmp = DEFAULT_SHELL;
+        setup_environment ( tmp, 1, !opt_preserve, pw );
 
         motd ( );
         signal ( SIGALRM, SIG_DFL );    /* default alarm signal */
 
         if ( pw-> pw_uid == 0 ) 
                 syslog ( LOG_INFO, "root login %s\n", fromhost );
-        
-        run_shell ( pw-> pw_shell, 1, 0, 0
+        run_shell ( tmp, 1, 0, 0
 #ifdef CONFIG_SELINUX
         , sid
 #endif
diff --git a/loginutils/su.c b/loginutils/su.c
index 04c213e4e..2d7a7ac05 100644
--- a/loginutils/su.c
+++ b/loginutils/su.c
@@ -21,7 +21,6 @@
 
 
 /* The shell to run if none is given in the user's passwd entry.  */
-#define DEFAULT_SHELL "/bin/sh"
 #define DEFAULT_USER  "root"
 
 //#define SYSLOG_SUCCESS
diff --git a/miscutils/crond.c b/miscutils/crond.c
index f0920136f..637e09dd8 100644
--- a/miscutils/crond.c
+++ b/miscutils/crond.c
@@ -54,9 +54,6 @@
 #define MAXLINES        256             /* max lines in non-root crontabs */
 #endif
 
-static const char def_sh[] = "/bin/sh";
-
-
 typedef struct CronFile {
     struct CronFile *cf_Next;
     struct CronLine *cf_LineBase;
@@ -313,7 +310,7 @@ ChangeUser(const char *user)
     }
     setenv("USER", pas->pw_name, 1);
     setenv("HOME", pas->pw_dir, 1);
-    setenv("SHELL", def_sh, 1);
+    setenv("SHELL", DEFAULT_SHELL, 1);
 
     /*
      * Change running state to the user in question
@@ -997,7 +994,7 @@ RunJob(const char *user, CronLine *line)
                         user, mailFile);
     }
 
-    ForkJob(user, line, mailFd, def_sh, "-c", line->cl_Shell, mailFile);
+    ForkJob(user, line, mailFd, DEFAULT_SHELL, "-c", line->cl_Shell, mailFile);
 }
 
 /*
@@ -1081,12 +1078,12 @@ RunJob(const char *user, CronLine *line)
 
 #ifdef FEATURE_DEBUG_OPT
         if (DebugOpt)
-            crondlog("\005Child Running %s\n", def_sh);
+            crondlog("\005Child Running %s\n", DEFAULT_SHELL);
 #endif
 
-        execl(def_sh, def_sh, "-c", line->cl_Shell, NULL);
+        execl(DEFAULT_SHELL, DEFAULT_SHELL, "-c", line->cl_Shell, NULL);
         crondlog("\024unable to exec, user %s cmd %s -c %s\n", user,
-            def_sh, line->cl_Shell);
+            DEFAULT_SHELL, line->cl_Shell);
         exit(0);
     } else if (pid < 0) {
         /*
diff --git a/miscutils/crontab.c b/miscutils/crontab.c
index 6b9446464..6c4da95fe 100644
--- a/miscutils/crontab.c
+++ b/miscutils/crontab.c
@@ -320,7 +320,7 @@ EditFile(const char *user, const char *file)
             ptr = PATH_VI;
 
         snprintf(visual, sizeof(visual), "%s %s", ptr, file);
-        execl("/bin/sh", "/bin/sh", "-c", visual, NULL);
+        execl(DEFAULT_SHELL, DEFAULT_SHELL, "-c", visual, NULL);
         perror("exec");
         exit(0);
     }
@@ -360,7 +360,7 @@ ChangeUser(const char *user, short dochdir)
     }
     setenv("USER", pas->pw_name, 1);
     setenv("HOME", pas->pw_dir, 1);
-    setenv("SHELL", "/bin/sh", 1);
+    setenv("SHELL", DEFAULT_SHELL, 1);
 
     /*
      * Change running state to the user in question
diff --git a/networking/ifupdown.c b/networking/ifupdown.c
index 78f2bb0f1..1a23bac37 100644
--- a/networking/ifupdown.c
+++ b/networking/ifupdown.c
@@ -1009,7 +1009,7 @@ static int doit(char *str)
                         case -1:                /* failure */
                                 return 0;
                         case 0:         /* child */
-                                execle("/bin/sh", "/bin/sh", "-c", str, NULL, environ);
+                                execle(DEFAULT_SHELL, DEFAULT_SHELL, "-c", str, NULL, environ);
                                 exit(127);
                 }
                 waitpid(child, &status, 0);
diff --git a/networking/telnetd.c b/networking/telnetd.c
index 27b08aced..205661ba2 100644
--- a/networking/telnetd.c
+++ b/networking/telnetd.c
@@ -1,4 +1,4 @@
-/* $Id: telnetd.c,v 1.6 2003/04/25 12:32:37 andersen Exp $
+/* $Id: telnetd.c,v 1.7 2003/09/02 02:36:16 bug1 Exp $
  *
  * Simple telnet server
  * Bjorn Wesen, Axis Communications AB (bjornw@axis.com)
@@ -52,7 +52,7 @@ static const char *loginpath =
 #ifdef CONFIG_LOGIN
 "/bin/login";
 #else
-"/bin/sh";
+DEFAULT_SHELL;
 #endif
 static const char *issuefile = "/etc/issue.net";
 
diff --git a/shell/ash.c b/shell/ash.c
index 521d65ab6..59aa336cd 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -3729,7 +3729,7 @@ repeat:
                 for (ap = argv; *ap; ap++)
                         ;
                 ap = new = ckmalloc((ap - argv + 2) * sizeof(char *));
-                *ap++ = cmd = "/bin/sh";
+                *ap++ = cmd = (char *)DEFAULT_SHELL;
                 while ((*ap++ = *argv++))
                         ;
                 argv = new;
diff --git a/shell/msh.c b/shell/msh.c
index a142c451a..31dd04f3e 100644
--- a/shell/msh.c
+++ b/shell/msh.c
@@ -668,7 +668,6 @@ static char	*null	= "";
 static int      heedint =1;
 static struct env e ={line, iostack, iostack-1, (xint *)NULL, FDBASE, (struct env *)NULL};
 static void (*qflag)(int) = SIG_IGN;
-static char     shellname[] = "/bin/sh";
 static  int     startl;
 static  int     peeksym;
 static  int     nlseen;
@@ -717,7 +716,7 @@ extern int msh_main(int argc, char **argv)
 
         shell = lookup("SHELL");
         if (shell->value == null)
-                setval(shell, shellname);
+                setval(shell, DEFAULT_SHELL);
         export(shell);
 
         homedir = lookup("HOME");
@@ -2871,7 +2870,7 @@ char *c, **v, **envp;
                         *v = e.linep;
                         tp = *--v;
                         *v = e.linep;
-                        execve(shellname, v, envp);
+                        execve(DEFAULT_SHELL, v, envp);
                         *v = tp;
                         return("no Shell");
 
@@ -3902,7 +3901,7 @@ int quoted;
         dup2(pf[1], 1);
         closepipe(pf);
 
-        argument_list[0] = shellname;
+        argument_list[0] = (char *)DEFAULT_SHELL;
         argument_list[1] = "-c";
         argument_list[2] = child_cmd;
         argument_list[3] = 0;