Add a pw_mkdb2(3) function which does the same thing as pw_mkdb(3) except

it takes a new argument allowing to specify the endianness of the database
to generate

Differential Revision:	https://reviews.freebsd.org/D2730
Reviewed by:	ian

2 files changed, 29 insertions, 3 deletions

diff --git a/libutil/libutil.h b/libutil/libutil.h
index b20ffa2..fc32fe7 100644
--- a/libutil/libutil.h
+++ b/libutil/libutil.h
@@ -144,6 +144,9 @@ char	*fparseln(FILE *_fp, size_t *_len, size_t *_lineno,
 #endif
 
 #ifdef _PWD_H_
+#define PWDB_NATIVE 0
+#define PWDB_LE 1
+#define PWDB_BE 2
 int	pw_copy(int _ffd, int _tfd, const struct passwd *_pw,
 	    struct passwd *_old_pw);
 struct passwd
@@ -155,6 +158,7 @@ int	pw_init(const char *_dir, const char *_master);
 char	*pw_make(const struct passwd *_pw);
 char	*pw_make_v7(const struct passwd *_pw);
 int	pw_mkdb(const char *_user);
+int	pw_mkdb2(const char *_user, int endian);
 int	pw_lock(void);
 struct passwd *
 	pw_scan(const char *_line, int _flags);
diff --git a/libutil/pw_util.c b/libutil/pw_util.c
index befd1fb..b0bdad1 100644
--- a/libutil/pw_util.c
+++ b/libutil/pw_util.c
@@ -242,14 +242,36 @@ pw_tmp(int mfd)
 	return (tfd);
 }
 
+int
+pw_mkdb(const char *user)
+{
+
+	return (pw_mkdb2(user, PWDB_NATIVE));
+}
+
 /*
  * Regenerate the password database.
  */
 int
-pw_mkdb(const char *user)
+pw_mkdb2(const char *user, int endian)
 {
 	int pstat;
 	pid_t pid;
+	const char *arg;
+
+	switch (endian) {
+	case PWDB_NATIVE:
+		arg = "-p";
+		break;
+	case PWDB_LE:
+		arg = "-pL";
+		break;
+	case PWDB_BE:
+		arg = "-pB";
+		break;
+	default:
+		return (-1);
+	}
 
 	(void)fflush(stderr);
 	switch ((pid = fork())) {
@@ -258,10 +280,10 @@ pw_mkdb(const char *user)
 	case 0:
 		/* child */
 		if (user == NULL)
-			execl(_PATH_PWD_MKDB, "pwd_mkdb", "-p",
+			execl(_PATH_PWD_MKDB, "pwd_mkdb", arg,
 			    "-d", passwd_dir, tempname, (char *)NULL);
 		else
-			execl(_PATH_PWD_MKDB, "pwd_mkdb", "-p",
+			execl(_PATH_PWD_MKDB, "pwd_mkdb", arg,
 			    "-d", passwd_dir, "-u", user, tempname,
 			    (char *)NULL);
 		_exit(1);