Back out the ``run shell from $PATH'' change; this was an overkill

and is insecure.

Requested by:	bde

5 files changed, 7 insertions, 29 deletions

diff --git a/usr.bin/make/Makefile b/usr.bin/make/Makefile
index 448940b..208c2cc 100644
--- a/usr.bin/make/Makefile
+++ b/usr.bin/make/Makefile
@@ -15,7 +15,7 @@ SRCS+=	lstAppend.c lstAtEnd.c lstAtFront.c lstClose.c lstConcat.c \
 
 NOSHARED?=	YES
 
-CFLAGS+=-DMAKE_VERSION=\"5200205221\"
+CFLAGS+=-DMAKE_VERSION=\"5200205240\"
 
 main.o: ${MAKEFILE}
 
diff --git a/usr.bin/make/compat.c b/usr.bin/make/compat.c
index d50068b..f0d08aa 100644
--- a/usr.bin/make/compat.c
+++ b/usr.bin/make/compat.c
@@ -281,11 +281,7 @@ CompatRunCommand (cmdp, gnp)
 	 * -e flag as well as -c if it's supposed to exit when it hits an
 	 * error.
 	 */
-#ifndef _PATH_DEFSHELLDIR
-	static char	*shargv[4] = { "sh" };
-#else /* _PATH_DEFSHELLDIR */
-	static char	*shargv[4] = { _PATH_DEFSHELLDIR"/sh" };
-#endif /* _PATH_DEFSHELLDIR */
+	static char	*shargv[4] = { "/bin/sh" };
 
 	shargv[1] = (errCheck ? "-ec" : "-c");
 	shargv[2] = cmd;
@@ -297,11 +293,7 @@ CompatRunCommand (cmdp, gnp)
 	 * This command must be passed by the shell for other reasons..
 	 * or.. possibly not at all.
 	 */
-#ifndef _PATH_DEFSHELLDIR
-	static char	*shargv[4] = { "sh" };
-#else /* _PATH_DEFSHELLDIR */
-	static char	*shargv[4] = { _PATH_DEFSHELLDIR"/sh" };
-#endif /* _PATH_DEFSHELLDIR */
+	static char	*shargv[4] = { "/bin/sh" };
 
 	if (internal == -1) {
 		/* Command does not need to be executed */
@@ -341,7 +333,7 @@ CompatRunCommand (cmdp, gnp)
 	    (void) write (STDERR_FILENO, strerror(errno), strlen(strerror(errno)));
 	    (void) write (STDERR_FILENO, "\n", 1);
 	} else {
-	    (void)execvp(av[0], av);
+	    (void)execv(av[0], av);
 	}
 	exit(1);
     }
diff --git a/usr.bin/make/job.c b/usr.bin/make/job.c
index 58ba738..bf98c91 100644
--- a/usr.bin/make/job.c
+++ b/usr.bin/make/job.c
@@ -1283,7 +1283,7 @@ JobExec(job, argv)
 	    Rmt_Exec(shellPath, argv, FALSE);
 	} else
 #endif /* REMOTE */
-	   (void) execvp(shellPath, argv);
+	   (void) execv(shellPath, argv);
 
 	(void) write(STDERR_FILENO, "Could not execute shell\n",
 		     sizeof("Could not execute shell"));
@@ -2449,11 +2449,7 @@ Job_Init(maxproc, maxlocal)
 	 * All default shells are located in _PATH_DEFSHELLDIR.
 	 */
 	shellName = commandShell->name;
-#ifndef _PATH_DEFSHELLDIR
-	shellPath = shellName;
-#else /* _PATH_DEFSHELLDIR */
 	shellPath = str_concat(_PATH_DEFSHELLDIR, shellName, STR_ADDSLASH);
-#endif /* _PATH_DEFSHELLDIR */
     }
 
     if (commandShell->exit == NULL) {
diff --git a/usr.bin/make/main.c b/usr.bin/make/main.c
index e0616ae..6a03559 100644
--- a/usr.bin/make/main.c
+++ b/usr.bin/make/main.c
@@ -1021,17 +1021,9 @@ Cmd_Exec(cmd, err)
 	(void) close(fds[1]);
 
 #if DEFSHELL == 1
-#ifndef _PATH_DEFSHELLDIR
-	(void) execvp("sh", args);
-#else /* _PATH_DEFSHELLDIR */
-	(void) execv(_PATH_DEFSHELLDIR"/sh", args);
-#endif /* _PATH_DEFSHELLDIR */
+	(void) execv("/bin/sh", args);
 #elif DEFSHELL == 2
-#ifndef _PATH_DEFSHELLDIR
-	(void) execvp("ksh", args);
-#else /* _PATH_DEFSHELLDIR */
-	(void) execv(_PATH_DEFSHELLDIR"/ksh", args);
-#endif /* _PATH_DEFSHELLDIR */
+	(void) execv("/bin/ksh", args);
 #else
 #error "DEFSHELL must be 1 or 2."
 #endif
diff --git a/usr.bin/make/pathnames.h b/usr.bin/make/pathnames.h
index 033901a..d16167c 100644
--- a/usr.bin/make/pathnames.h
+++ b/usr.bin/make/pathnames.h
@@ -40,11 +40,9 @@
 #ifndef _PATH_OBJDIRPREFIX
 #define	_PATH_OBJDIRPREFIX	"/usr/obj"
 #endif /* ! _PATH_OBJDIRPREFIX */
-#ifndef __FreeBSD__
 #ifndef _PATH_DEFSHELLDIR
 #define	_PATH_DEFSHELLDIR	"/bin"
 #endif /* ! _PATH_DEFSHELLDIR */
-#endif /* not __FreeBSD__ */
 #ifndef _PATH_DEFSYSMK
 #define	_PATH_DEFSYSMK		"sys.mk"
 #endif /* ! _PATH_DEFSYSMK */