Author: bapt
Date: Wed Jun  3 20:48:28 2015
New Revision: 283969
URL: https://svnweb.freebsd.org/changeset/base/283969

Log:
  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

Modified:
  head/lib/libutil/Makefile
  head/lib/libutil/libutil.h
  head/lib/libutil/pw_util.3
  head/lib/libutil/pw_util.c

Modified: head/lib/libutil/Makefile
==============================================================================
--- head/lib/libutil/Makefile   Wed Jun  3 20:48:00 2015        (r283968)
+++ head/lib/libutil/Makefile   Wed Jun  3 20:48:28 2015        (r283969)
@@ -78,6 +78,7 @@ MLINKS+=pw_util.3 pw_copy.3 \
        pw_util.3 pw_make.3 \
        pw_util.3 pw_make_v7.3 \
        pw_util.3 pw_mkdb.3 \
+       pw_util.3 pw_mkdb2.3 \
        pw_util.3 pw_lock.3 \
        pw_util.3 pw_scan.3 \
        pw_util.3 pw_tempname.3 \

Modified: head/lib/libutil/libutil.h
==============================================================================
--- head/lib/libutil/libutil.h  Wed Jun  3 20:48:00 2015        (r283968)
+++ head/lib/libutil/libutil.h  Wed Jun  3 20:48:28 2015        (r283969)
@@ -144,6 +144,9 @@ char        *fparseln(FILE *_fp, size_t *_len, 
 #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
 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);

Modified: head/lib/libutil/pw_util.3
==============================================================================
--- head/lib/libutil/pw_util.3  Wed Jun  3 20:48:00 2015        (r283968)
+++ head/lib/libutil/pw_util.3  Wed Jun  3 20:48:28 2015        (r283969)
@@ -37,6 +37,7 @@
 .Nm pw_make ,
 .Nm pw_make_v7 ,
 .Nm pw_mkdb ,
+.Nm pw_mkdb2 ,
 .Nm pw_lock ,
 .Nm pw_scan ,
 .Nm pw_tempname ,
@@ -66,6 +67,8 @@
 .Ft int
 .Fn pw_mkdb "const char *user"
 .Ft int
+.Fn pw_mkdb "const char *user" "int endian"
+.Ft int
 .Fn pw_lock "void"
 .Ft "struct passwd *"
 .Fn pw_scan "const char *line" "int flags"
@@ -225,11 +228,30 @@ function regenerates the password databa
 .Xr pwd_mkdb 8 .
 If
 .Fa user
-only the record corresponding to that user will be updated.
+is set, only the record corresponding to that user will be updated.
 The
 .Fn pw_mkdb
 function returns 0 in case of success and -1 in case of failure.
 .Pp
+.Fn pw_mkdb2
+function regenerates the password database by running
+.Xr pwd_mkdb 8 .
+If
+.Fa user
+is set, only the record corresponding to that user will be updated.
+.Pp
+The
+.Fa endian
+variable can take the following values
+.Bl -tag -width PWDB_NATIVE
+.It Dv PWDB_NATIVE
+the database will be generated in host native endianness.
+.It Dv PWDB_LE
+the database will be generated in Little-endian.
+.It Dv PWDB_BE
+the database will be generated in Big-endian.
+.El
+.Pp
 The
 .Fn pw_lock
 function locks the master password file.

Modified: head/lib/libutil/pw_util.c
==============================================================================
--- head/lib/libutil/pw_util.c  Wed Jun  3 20:48:00 2015        (r283968)
+++ head/lib/libutil/pw_util.c  Wed Jun  3 20:48:28 2015        (r283969)
@@ -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);
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