1 files changed, 6 insertions, 6 deletions

diff --git a/source3/include/smb.h b/source3/include/smb.h
index 8ffd55d10a..50d8c080a3 100644
--- a/source3/include/smb.h
+++ b/source3/include/smb.h
@@ -756,7 +756,7 @@ struct passdb_ops {
   /*
    * smb password database query functions.
    */
-  struct smb_passwd *(*getsmbpwnam)(char *);
+  struct smb_passwd *(*getsmbpwnam)(const char *);
   struct smb_passwd *(*getsmbpwuid)(uid_t);
   struct smb_passwd *(*getsmbpwrid)(uint32);
   struct smb_passwd *(*getsmbpwent)(void *);
@@ -775,7 +775,7 @@ struct passdb_ops {
   /*
    * sam password database query functions.
    */
-  struct sam_passwd *(*getsam21pwnam)(char *);
+  struct sam_passwd *(*getsam21pwnam)(const char *);
   struct sam_passwd *(*getsam21pwuid)(uid_t);
   struct sam_passwd *(*getsam21pwrid)(uint32);
 
@@ -788,7 +788,7 @@ struct passdb_ops {
   /*
    * sam query display info functions.
    */
-  struct sam_disp_info *(*getsamdispnam)(char *);
+  struct sam_disp_info *(*getsamdispnam)(const char *);
   struct sam_disp_info *(*getsamdisprid)(uint32);
   struct sam_disp_info *(*getsamdispent)(void *);
 
@@ -796,9 +796,9 @@ struct passdb_ops {
   /*
    * password checking functions
    */
-  struct smb_passwd *(*smb_password_chal  )(char *username, char lm_pass[24], char nt_pass[24], char chal[8]);
-  struct smb_passwd *(*smb_password_check )(char *username, char lm_hash[16], char nt_hash[16]);
-  struct passwd     *(*unix_password_check)(char *username, char *pass, int pass_len);
+  struct smb_passwd *(*smb_password_chal  )(const char *username, const char lm_pass[24], const char nt_pass[24], char chal[8]);
+  struct smb_passwd *(*smb_password_check )(const char *username, const char lm_hash[16], const char nt_hash[16]);
+  struct passwd     *(*unix_password_check)(const char *username, const char *pass, int pass_len);
 #endif
 };