Abstracted all the crappy password interfaces through an indirect

function table, selectable at compile time. This should make the
code that implements all the password functions much cleaner, as
it's now very clear exactly what a particular password database
needs to provide to Samba.
Jeremy.

1 files changed, 40 insertions, 34 deletions

diff --git a/source/passdb/smbpass.c b/source/passdb/smbpass.c
index e37e2a5f87a..8e0ace99863 100644
--- a/source/passdb/smbpass.c
+++ b/source/passdb/smbpass.c
@@ -31,11 +31,9 @@ static char s_readbuf[16 * 1024];
 /***************************************************************
  Start to enumerate the smbpasswd list. Returns a void pointer
  to ensure no modification outside this module.
+****************************************************************/
 
- do not call this function directly.  use passdb.c instead.
-
- ****************************************************************/
-void *startsmbfilepwent(BOOL update)
+static void *startsmbfilepwent(BOOL update)
 {
   FILE *fp = NULL;
   char *pfile = lp_smb_passwd_file();
@@ -73,7 +71,8 @@ void *startsmbfilepwent(BOOL update)
 /***************************************************************
  End enumeration of the smbpasswd list.
 ****************************************************************/
-void endsmbfilepwent(void *vp)
+
+static void endsmbfilepwent(void *vp)
 {
   FILE *fp = (FILE *)vp;
 
@@ -88,11 +87,9 @@ void endsmbfilepwent(void *vp)
  - the smbpasswd file
  - the unix password database
  - smb.conf options (not done at present).
-
- do not call this function directly.  use passdb.c instead.
-
  *************************************************************************/
-struct sam_passwd *getsmbfile21pwent(void *vp)
+
+static struct sam_passwd *getsmbfile21pwent(void *vp)
 {
 	struct smb_passwd *pw_buf = getsmbfilepwent(vp);
 	static struct sam_passwd user;
@@ -183,10 +180,8 @@ struct sam_passwd *getsmbfile21pwent(void *vp)
 
 /*************************************************************************
  Routine to return the next entry in the smbpasswd list.
-
- do not call this function directly.  use passdb.c instead.
-
  *************************************************************************/
+
 struct smb_passwd *getsmbfilepwent(void *vp)
 {
   /* Static buffers we will return. */
@@ -407,11 +402,9 @@ struct smb_passwd *getsmbfilepwent(void *vp)
 /*************************************************************************
  Return the current position in the smbpasswd list as an unsigned long.
  This must be treated as an opaque token.
-
- do not call this function directly.  use passdb.c instead.
-
 *************************************************************************/
-unsigned long getsmbfilepwpos(void *vp)
+
+static unsigned long getsmbfilepwpos(void *vp)
 {
   return (unsigned long)ftell((FILE *)vp);
 }
@@ -419,33 +412,27 @@ unsigned long getsmbfilepwpos(void *vp)
 /*************************************************************************
  Set the current position in the smbpasswd list from unsigned long.
  This must be treated as an opaque token.
-
- do not call this function directly.  use passdb.c instead.
-
 *************************************************************************/
-BOOL setsmbfilepwpos(void *vp, unsigned long tok)
+
+static BOOL setsmbfilepwpos(void *vp, unsigned long tok)
 {
   return !fseek((FILE *)vp, tok, SEEK_SET);
 }
 
 /************************************************************************
  Routine to add an entry to the smbpasswd file.
-
- do not call this function directly.  use passdb.c instead.
-
 *************************************************************************/
-BOOL add_smbfile21pwd_entry(struct sam_passwd *newpwd)
+
+static BOOL add_smbfile21pwd_entry(struct sam_passwd *newpwd)
 {
 	return False;
 }
 
 /************************************************************************
  Routine to add an entry to the smbpasswd file.
-
- do not call this function directly.  use passdb.c instead.
-
 *************************************************************************/
-BOOL add_smbfilepwd_entry(struct smb_passwd *newpwd)
+
+static BOOL add_smbfilepwd_entry(struct smb_passwd *newpwd)
 {
   char *pfile = lp_smb_passwd_file();
   struct smb_passwd *pwd = NULL;
@@ -575,10 +562,8 @@ Error was %s. Password file may be corrupt ! Please examine by hand !\n",
  in the actual file to decide how much room we have to write data.
  override = False, normal
  override = True, override XXXXXXXX'd out password or NO PASS
-
- do not call this function directly.  use passdb.c instead.
-
 ************************************************************************/
+
 BOOL mod_smbfile21pwd_entry(struct sam_passwd* pwd, BOOL override)
 {
 	return False;
@@ -591,10 +576,8 @@ BOOL mod_smbfile21pwd_entry(struct sam_passwd* pwd, BOOL override)
  in the actual file to decide how much room we have to write data.
  override = False, normal
  override = True, override XXXXXXXX'd out password or NO PASS
-
- do not call this function directly.  use passdb.c instead.
-
 ************************************************************************/
+
 BOOL mod_smbfilepwd_entry(struct smb_passwd* pwd, BOOL override)
 {
   /* Static buffers we will return. */
@@ -936,6 +919,29 @@ BOOL mod_smbfilepwd_entry(struct smb_passwd* pwd, BOOL override)
   fclose(fp);
   return True;
 }
+
+static struct passdb_ops file_ops = {
+  startsmbfilepwent,
+  endsmbfilepwent,
+  getsmbfilepwpos,
+  setsmbfilepwpos,
+  iterate_getsmbpwnam,          /* In passdb.c */
+  iterate_getsmbpwuid,          /* In passdb.c */
+  getsmbfilepwent,
+  add_smbfilepwd_entry,
+  mod_smbfilepwd_entry,
+  getsmbfile21pwent,
+  iterate_getsam21pwnam,        /* In passdb.c */
+  iterate_getsam21pwuid,        /* In passdb.c */
+  add_smbfile21pwd_entry,
+  mod_smbfile21pwd_entry
+};
+
+struct passdb_ops *file_initialize_password_db(void)
+{    
+  return &file_ops;
+}
+
 #else
 static void dummy_function(void) { } /* stop some compilers complaining */
 #endif /* USE_SMBPASS_DB */