source3/nsswitch/winbindd_nss.h

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    Winbind daemon for ntdom nss module
   5
   6    Copyright (C) Tim Potter 2000
   7
   8    You are free to use this interface definition in any way you see
   9    fit, including without restriction, using this header in your own
  10    products. You do not need to give any attribution.
  11 */
  12
  13
  14 #ifndef CONST_DISCARD
  15 #define CONST_DISCARD(type, ptr)      ((type) ((void *) (ptr)))
  16 #endif
  17
  18 #ifndef CONST_ADD
  19 #define CONST_ADD(type, ptr)          ((type) ((const void *) (ptr)))
  20 #endif
  21
  22 #ifndef SAFE_FREE
  23 #define SAFE_FREE(x) do { if(x) {free(x); x=NULL;} } while(0)
  24 #endif
  25
  26 #ifndef _WINBINDD_NTDOM_H
  27 #define _WINBINDD_NTDOM_H
  28
  29 #define WINBINDD_SOCKET_NAME "pipe"            /* Name of PF_UNIX socket */
  30 #define WINBINDD_SOCKET_DIR  "/tmp/.winbindd"  /* Name of PF_UNIX dir */
  31 #define WINBINDD_PRIV_SOCKET_SUBDIR "winbindd_privileged" /* name of subdirectory of lp_lockdir() to hold the 'privileged' pipe */
  32 #define WINBINDD_DOMAIN_ENV  "WINBINDD_DOMAIN" /* Environment variables */
  33 #define WINBINDD_DONT_ENV    "_NO_WINBINDD"
  34
  35 /* Update this when you change the interface.  */
  36
  37 #define WINBIND_INTERFACE_VERSION 11
  38
  39 /* Socket commands */
  40
  41 enum winbindd_cmd {
  42
  43         WINBINDD_INTERFACE_VERSION,    /* Always a well known value */
  44
  45         /* Get users and groups */
  46
  47         WINBINDD_GETPWNAM,
  48         WINBINDD_GETPWUID,
  49         WINBINDD_GETGRNAM,
  50         WINBINDD_GETGRGID,
  51         WINBINDD_GETGROUPS,
  52
  53         /* Enumerate users and groups */
  54
  55         WINBINDD_SETPWENT,
  56         WINBINDD_ENDPWENT,
  57         WINBINDD_GETPWENT,
  58         WINBINDD_SETGRENT,
  59         WINBINDD_ENDGRENT,
  60         WINBINDD_GETGRENT,
  61
  62         /* PAM authenticate and password change */
  63
  64         WINBINDD_PAM_AUTH,
  65         WINBINDD_PAM_AUTH_CRAP,
  66         WINBINDD_PAM_CHAUTHTOK,
  67
  68         /* List various things */
  69
  70         WINBINDD_LIST_USERS,         /* List w/o rid->id mapping */
  71         WINBINDD_LIST_GROUPS,        /* Ditto */
  72         WINBINDD_LIST_TRUSTDOM,
  73
  74         /* SID conversion */
  75
  76         WINBINDD_LOOKUPSID,
  77         WINBINDD_LOOKUPNAME,
  78
  79         /* Lookup functions */
  80
  81         WINBINDD_SID_TO_UID,
  82         WINBINDD_SID_TO_GID,
  83         WINBINDD_UID_TO_SID,
  84         WINBINDD_GID_TO_SID,
  85         WINBINDD_ALLOCATE_RID,
  86         WINBINDD_ALLOCATE_RID_AND_GID,
  87
  88         /* Miscellaneous other stuff */
  89
  90         WINBINDD_CHECK_MACHACC,     /* Check machine account pw works */
  91         WINBINDD_PING,              /* Just tell me winbind is running */
  92         WINBINDD_INFO,              /* Various bit of info.  Currently just tidbits */
  93         WINBINDD_DOMAIN_NAME,       /* The domain this winbind server is a member of (lp_workgroup()) */
  94
  95         WINBINDD_DOMAIN_INFO,   /* Most of what we know from
  96                                    struct winbindd_domain */
  97         WINBINDD_GETDCNAME,     /* Issue a GetDCName Request */
  98
  99         WINBINDD_SHOW_SEQUENCE, /* display sequence numbers of domains */
 100
 101         /* WINS commands */
 102
 103         WINBINDD_WINS_BYIP,
 104         WINBINDD_WINS_BYNAME,
 105
 106         /* this is like GETGRENT but gives an empty group list */
 107         WINBINDD_GETGRLST,
 108
 109         WINBINDD_NETBIOS_NAME,       /* The netbios name of the server */
 110
 111         /* find the location of our privileged pipe */
 112         WINBINDD_PRIV_PIPE_DIR,
 113
 114         /* return a list of group sids for a user sid */
 115         WINBINDD_GETUSERSIDS,
 116
 117         /* Return the domain groups a user is in */
 118         WINBINDD_GETUSERDOMGROUPS,
 119
 120         /* Initialize connection in a child */
 121         WINBINDD_INIT_CONNECTION,
 122
 123         /* Blocking calls that are not allowed on the main winbind pipe, only
 124          * between parent and children */
 125         WINBINDD_DUAL_SID2UID,
 126         WINBINDD_DUAL_SID2GID,
 127         WINBINDD_DUAL_IDMAPSET,
 128
 129         /* Wrapper around possibly blocking unix nss calls */
 130         WINBINDD_DUAL_UID2NAME,
 131         WINBINDD_DUAL_NAME2UID,
 132         WINBINDD_DUAL_GID2NAME,
 133         WINBINDD_DUAL_NAME2GID,
 134
 135         WINBINDD_DUAL_USERINFO,
 136         WINBINDD_DUAL_GETSIDALIASES,
 137
 138         WINBINDD_NUM_CMDS
 139 };
 140
 141 typedef struct winbindd_pw {
 142         fstring pw_name;
 143         fstring pw_passwd;
 144         uid_t pw_uid;
 145         gid_t pw_gid;
 146         fstring pw_gecos;
 147         fstring pw_dir;
 148         fstring pw_shell;
 149 } WINBINDD_PW;
 150
 151
 152 typedef struct winbindd_gr {
 153         fstring gr_name;
 154         fstring gr_passwd;
 155         gid_t gr_gid;
 156         size_t num_gr_mem;
 157         size_t gr_mem_ofs;   /* offset to group membership */
 158         char **gr_mem;
 159 } WINBINDD_GR;
 160
 161
 162 #define WBFLAG_PAM_INFO3_NDR            0x0001
 163 #define WBFLAG_PAM_INFO3_TEXT           0x0002
 164 #define WBFLAG_PAM_USER_SESSION_KEY     0x0004
 165 #define WBFLAG_PAM_LMKEY                0x0008
 166 #define WBFLAG_PAM_CONTACT_TRUSTDOM     0x0010
 167 #define WBFLAG_QUERY_ONLY               0x0020
 168 #define WBFLAG_ALLOCATE_RID             0x0040
 169 #define WBFLAG_PAM_UNIX_NAME            0x0080
 170 #define WBFLAG_PAM_AFS_TOKEN            0x0100
 171 #define WBFLAG_PAM_NT_STATUS_SQUASH     0x0200
 172
 173 /* This is a flag that can only be sent from parent to child */
 174 #define WBFLAG_IS_PRIVILEGED            0x0400
 175 /* Flag to say this is a winbindd internal send - don't recurse. */
 176 #define WBFLAG_RECURSE                  0x0800
 177
 178 #define WINBINDD_MAX_EXTRA_DATA (128*1024)
 179
 180 /* Winbind request structure */
 181
 182 struct winbindd_request {
 183         uint32 length;
 184         enum winbindd_cmd cmd;   /* Winbindd command to execute */
 185         pid_t pid;               /* pid of calling process */
 186         uint32 flags;            /* flags relavant to a given request */
 187         fstring domain_name;    /* name of domain for which the request applies */
 188
 189         union {
 190                 fstring winsreq;     /* WINS request */
 191                 fstring username;    /* getpwnam */
 192                 fstring groupname;   /* getgrnam */
 193                 uid_t uid;           /* getpwuid, uid_to_sid */
 194                 gid_t gid;           /* getgrgid, gid_to_sid */
 195                 struct {
 196                         /* We deliberatedly don't split into domain/user to
 197                            avoid having the client know what the separator
 198                            character is. */
 199                         fstring user;
 200                         fstring pass;
 201                         fstring require_membership_of_sid;
 202                 } auth;              /* pam_winbind auth module */
 203                 struct {
 204                         unsigned char chal[8];
 205                         uint32 logon_parameters;
 206                         fstring user;
 207                         fstring domain;
 208                         fstring lm_resp;
 209                         uint16 lm_resp_len;
 210                         fstring nt_resp;
 211                         uint16 nt_resp_len;
 212                         fstring workstation;
 213                         fstring require_membership_of_sid;
 214                 } auth_crap;
 215                 struct {
 216                     fstring user;
 217                     fstring oldpass;
 218                     fstring newpass;
 219                 } chauthtok;         /* pam_winbind passwd module */
 220                 fstring sid;         /* lookupsid, sid_to_[ug]id */
 221                 struct {
 222                         fstring dom_name;       /* lookupname */
 223                         fstring name;
 224                 } name;
 225                 uint32 num_entries;  /* getpwent, getgrent */
 226                 struct {
 227                         fstring username;
 228                         fstring groupname;
 229                 } acct_mgt;
 230                 struct {
 231                         BOOL is_primary;
 232                         fstring dcname;
 233                 } init_conn;
 234                 struct {
 235                         fstring sid;
 236                         fstring name;
 237                         BOOL alloc;
 238                 } dual_sid2id;
 239                 struct {
 240                         int type;
 241                         uid_t uid;
 242                         gid_t gid;
 243                         fstring sid;
 244                 } dual_idmapset;
 245         } data;
 246         char *extra_data;
 247         size_t extra_len;
 248         char null_term;
 249 };
 250
 251 /* Response values */
 252
 253 enum winbindd_result {
 254         WINBINDD_ERROR,
 255         WINBINDD_PENDING,
 256         WINBINDD_OK
 257 };
 258
 259 /* Winbind response structure */
 260
 261 struct winbindd_response {
 262
 263         /* Header information */
 264
 265         uint32 length;                        /* Length of response */
 266         enum winbindd_result result;          /* Result code */
 267
 268         /* Fixed length return data */
 269
 270         union {
 271                 int interface_version;  /* Try to ensure this is always in the same spot... */
 272
 273                 fstring winsresp;               /* WINS response */
 274
 275                 /* getpwnam, getpwuid */
 276
 277                 struct winbindd_pw pw;
 278
 279                 /* getgrnam, getgrgid */
 280
 281                 struct winbindd_gr gr;
 282
 283                 uint32 num_entries; /* getpwent, getgrent */
 284                 struct winbindd_sid {
 285                         fstring sid;        /* lookupname, [ug]id_to_sid */
 286                         int type;
 287                 } sid;
 288                 struct winbindd_name {
 289                         fstring dom_name;       /* lookupsid */
 290                         fstring name;
 291                         int type;
 292                 } name;
 293                 uid_t uid;          /* sid_to_uid */
 294                 gid_t gid;          /* sid_to_gid */
 295                 struct winbindd_info {
 296                         char winbind_separator;
 297                         fstring samba_version;
 298                 } info;
 299                 fstring domain_name;
 300                 fstring netbios_name;
 301                 fstring dc_name;
 302
 303                 struct auth_reply {
 304                         uint32 nt_status;
 305                         fstring nt_status_string;
 306                         fstring error_string;
 307                         int pam_error;
 308                         char user_session_key[16];
 309                         char first_8_lm_hash[8];
 310                 } auth;
 311                 uint32 rid;     /* create user or group or allocate rid */
 312                 struct {
 313                         uint32 rid;
 314                         gid_t gid;
 315                 } rid_and_gid;
 316                 struct {
 317                         fstring name;
 318                         fstring alt_name;
 319                         fstring sid;
 320                         BOOL native_mode;
 321                         BOOL active_directory;
 322                         BOOL primary;
 323                         uint32 sequence_number;
 324                 } domain_info;
 325                 struct {
 326                         fstring acct_name;
 327                         fstring full_name;
 328                         fstring homedir;
 329                         fstring shell;
 330                         uint32 group_rid;
 331                 } user_info;
 332         } data;
 333
 334         /* Variable length return data */
 335
 336         void *extra_data;               /* getgrnam, getgrgid, getgrent */
 337 };
 338
 339 #endif