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winbindd_nss.h

/* 
   Unix SMB/CIFS implementation.

   Winbind daemon for ntdom nss module

   Copyright (C) Tim Potter 2000
   
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.
   
   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.
   
   You should have received a copy of the GNU Library General Public
   License along with this library; if not, write to the
   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA  02111-1307, USA.   
*/

#ifndef SAFE_FREE
#define SAFE_FREE(x) do { if(x) {free((char *)(x)); x=NULL;} } while(0)
#endif

#ifndef _WINBINDD_NTDOM_H
#define _WINBINDD_NTDOM_H

#define WINBINDD_SOCKET_NAME "pipe"            /* Name of PF_UNIX socket */
#define WINBINDD_SOCKET_DIR  "/tmp/.winbindd"  /* Name of PF_UNIX dir */

#define WINBINDD_DOMAIN_ENV  "WINBINDD_DOMAIN" /* Environment variables */
#define WINBINDD_DONT_ENV    "_NO_WINBINDD"

/* Update this when you change the interface.  */

#define WINBIND_INTERFACE_VERSION 4

/* Socket commands */

enum winbindd_cmd {

      WINBINDD_INTERFACE_VERSION,    /* Always a well known value */

      /* Get users and groups */

      WINBINDD_GETPWNAM,
      WINBINDD_GETPWUID,
      WINBINDD_GETGRNAM,
      WINBINDD_GETGRGID,
      WINBINDD_GETGROUPS,

      /* Enumerate users and groups */

      WINBINDD_SETPWENT,
      WINBINDD_ENDPWENT,
      WINBINDD_GETPWENT,
      WINBINDD_SETGRENT,
      WINBINDD_ENDGRENT,
      WINBINDD_GETGRENT,

      /* PAM authenticate and password change */

      WINBINDD_PAM_AUTH,
      WINBINDD_PAM_AUTH_CRAP,
      WINBINDD_PAM_CHAUTHTOK,

      /* List various things */

      WINBINDD_LIST_USERS,         /* List w/o rid->id mapping */
      WINBINDD_LIST_GROUPS,        /* Ditto */
      WINBINDD_LIST_TRUSTDOM,

      /* SID conversion */

      WINBINDD_LOOKUPSID,
      WINBINDD_LOOKUPNAME,

      /* Lookup functions */

      WINBINDD_SID_TO_UID,       
      WINBINDD_SID_TO_GID,
      WINBINDD_UID_TO_SID,
      WINBINDD_GID_TO_SID,

      /* Miscellaneous other stuff */

      WINBINDD_CHECK_MACHACC,     /* Check machine account pw works */
      WINBINDD_PING,              /* Just tell me winbind is running */
      WINBINDD_INFO,              /* Various bit of info.  Currently just tidbits */
      WINBINDD_DOMAIN_NAME,       /* The domain this winbind server is a member of (lp_workgroup()) */

      WINBINDD_SHOW_SEQUENCE, /* display sequence numbers of domains */

      /* WINS commands */

      WINBINDD_WINS_BYIP,
      WINBINDD_WINS_BYNAME,

      /* Placeholder for end of cmd list */

      WINBINDD_NUM_CMDS
};

/* Winbind request structure */

struct winbindd_request {
      uint32 length;
      enum winbindd_cmd cmd;   /* Winbindd command to execute */
      pid_t pid;               /* pid of calling process */

      union {
            fstring winsreq;     /* WINS request */
            fstring username;    /* getpwnam */
            fstring groupname;   /* getgrnam */
            uid_t uid;           /* getpwuid, uid_to_sid */
            gid_t gid;           /* getgrgid, gid_to_sid */
            struct {
                  /* We deliberatedly don't split into domain/user to
                           avoid having the client know what the separator
                           character is. */     
                  fstring user;
                  fstring pass;
            } auth;              /* pam_winbind auth module */
                struct {
                        unsigned char chal[8];
                        fstring user;
                        fstring domain;
                        fstring lm_resp;
                        uint16 lm_resp_len;
                        fstring nt_resp;
                        uint16 nt_resp_len;
                } auth_crap;
                struct {
                    fstring user;
                    fstring oldpass;
                    fstring newpass;
                } chauthtok;         /* pam_winbind passwd module */
            fstring sid;         /* lookupsid, sid_to_[ug]id */
            struct {
                  fstring dom_name;       /* lookupname */
                  fstring name;       
            } name;
            uint32 num_entries;  /* getpwent, getgrent */
      } data;
      fstring domain;      /* {set,get,end}{pw,gr}ent() */
};

/* Response values */

enum winbindd_result {
      WINBINDD_ERROR,
      WINBINDD_OK
};

/* Winbind response structure */

struct winbindd_response {
    
      /* Header information */

      uint32 length;                        /* Length of response */
      enum winbindd_result result;          /* Result code */

      /* Fixed length return data */
      
      union {
            int interface_version;  /* Try to ensure this is always in the same spot... */
            
            fstring winsresp;       /* WINS response */

            /* getpwnam, getpwuid */
            
            struct winbindd_pw {
                  fstring pw_name;
                  fstring pw_passwd;
                  uid_t pw_uid;
                  gid_t pw_gid;
                  fstring pw_gecos;
                  fstring pw_dir;
                  fstring pw_shell;
            } pw;

            /* getgrnam, getgrgid */

            struct winbindd_gr {
                  fstring gr_name;
                  fstring gr_passwd;
                  gid_t gr_gid;
                  int num_gr_mem;
                  int gr_mem_ofs;   /* offset to group membership */
            } gr;

            uint32 num_entries; /* getpwent, getgrent */
            struct winbindd_sid {
                  fstring sid;        /* lookupname, [ug]id_to_sid */
                  int type;
            } sid;
            struct winbindd_name {
                  fstring dom_name;       /* lookupsid */
                  fstring name;       
                  int type;
            } name;
            uid_t uid;          /* sid_to_uid */
            gid_t gid;          /* sid_to_gid */
            struct winbindd_info {
                  char winbind_separator;
                  fstring samba_version;
            } info;
            fstring domain_name;

            struct auth_reply {
                  uint32 nt_status;
                  fstring nt_status_string;
                  fstring error_string;
                  int pam_error;
            } auth;
      } data;

      uint32 nt_status; /* Extended error information */

      /* Variable length return data */

      void *extra_data;               /* getgrnam, getgrgid, getgrent */
};

#endif

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