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 14
  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         WINBINDD_PAM_LOGOFF,
  68
  69         /* List various things */
  70
  71         WINBINDD_LIST_USERS,         /* List w/o rid->id mapping */
  72         WINBINDD_LIST_GROUPS,        /* Ditto */
  73         WINBINDD_LIST_TRUSTDOM,
  74
  75         /* SID conversion */
  76
  77         WINBINDD_LOOKUPSID,
  78         WINBINDD_LOOKUPNAME,
  79
  80         /* Lookup functions */
  81
  82         WINBINDD_SID_TO_UID,
  83         WINBINDD_SID_TO_GID,
  84         WINBINDD_UID_TO_SID,
  85         WINBINDD_GID_TO_SID,
  86
  87         WINBINDD_ALLOCATE_UID,
  88         WINBINDD_ALLOCATE_GID,
  89
  90         /* Miscellaneous other stuff */
  91
  92         WINBINDD_CHECK_MACHACC,     /* Check machine account pw works */
  93         WINBINDD_PING,              /* Just tell me winbind is running */
  94         WINBINDD_INFO,              /* Various bit of info.  Currently just tidbits */
  95         WINBINDD_DOMAIN_NAME,       /* The domain this winbind server is a member of (lp_workgroup()) */
  96
  97         WINBINDD_DOMAIN_INFO,   /* Most of what we know from
  98                                    struct winbindd_domain */
  99         WINBINDD_GETDCNAME,     /* Issue a GetDCName Request */
 100
 101         WINBINDD_SHOW_SEQUENCE, /* display sequence numbers of domains */
 102
 103         /* WINS commands */
 104
 105         WINBINDD_WINS_BYIP,
 106         WINBINDD_WINS_BYNAME,
 107
 108         /* this is like GETGRENT but gives an empty group list */
 109         WINBINDD_GETGRLST,
 110
 111         WINBINDD_NETBIOS_NAME,       /* The netbios name of the server */
 112
 113         /* find the location of our privileged pipe */
 114         WINBINDD_PRIV_PIPE_DIR,
 115
 116         /* return a list of group sids for a user sid */
 117         WINBINDD_GETUSERSIDS,
 118
 119         /* Various group queries */
 120         WINBINDD_GETUSERDOMGROUPS,
 121
 122         /* Initialize connection in a child */
 123         WINBINDD_INIT_CONNECTION,
 124
 125         /* Blocking calls that are not allowed on the main winbind pipe, only
 126          * between parent and children */
 127         WINBINDD_DUAL_SID2UID,
 128         WINBINDD_DUAL_SID2GID,
 129         WINBINDD_DUAL_IDMAPSET,
 130
 131         /* Wrapper around possibly blocking unix nss calls */
 132         WINBINDD_DUAL_UID2NAME,
 133         WINBINDD_DUAL_NAME2UID,
 134         WINBINDD_DUAL_GID2NAME,
 135         WINBINDD_DUAL_NAME2GID,
 136
 137         WINBINDD_DUAL_USERINFO,
 138         WINBINDD_DUAL_GETSIDALIASES,
 139
 140         WINBINDD_NUM_CMDS
 141 };
 142
 143 typedef struct winbindd_pw {
 144         fstring pw_name;
 145         fstring pw_passwd;
 146         uid_t pw_uid;
 147         gid_t pw_gid;
 148         fstring pw_gecos;
 149         fstring pw_dir;
 150         fstring pw_shell;
 151 } WINBINDD_PW;
 152
 153
 154 typedef struct winbindd_gr {
 155         fstring gr_name;
 156         fstring gr_passwd;
 157         gid_t gr_gid;
 158         uint32 num_gr_mem;
 159         uint32 gr_mem_ofs;   /* offset to group membership */
 160 } WINBINDD_GR;
 161
 162
 163 #define WBFLAG_PAM_INFO3_NDR            0x0001
 164 #define WBFLAG_PAM_INFO3_TEXT           0x0002
 165 #define WBFLAG_PAM_USER_SESSION_KEY     0x0004
 166 #define WBFLAG_PAM_LMKEY                0x0008
 167 #define WBFLAG_PAM_CONTACT_TRUSTDOM     0x0010
 168 #define WBFLAG_QUERY_ONLY               0x0020
 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 WBFLAG_PAM_KRB5                 0x1000
 179 #define WBFLAG_PAM_FALLBACK_AFTER_KRB5  0x2000
 180 #define WBFLAG_PAM_CACHED_LOGIN         0x4000
 181 #define WBFLAG_PAM_GET_PWD_POLICY       0x8000
 182
 183 #define WINBINDD_MAX_EXTRA_DATA (128*1024)
 184
 185 /* Winbind request structure */
 186
 187 struct winbindd_request {
 188         uint32 length;
 189         enum winbindd_cmd cmd;   /* Winbindd command to execute */
 190         pid_t pid;               /* pid of calling process */
 191         uint32 flags;            /* flags relavant to a given request */
 192         fstring domain_name;    /* name of domain for which the request applies */
 193
 194         union {
 195                 fstring winsreq;     /* WINS request */
 196                 fstring username;    /* getpwnam */
 197                 fstring groupname;   /* getgrnam */
 198                 uid_t uid;           /* getpwuid, uid_to_sid */
 199                 gid_t gid;           /* getgrgid, gid_to_sid */
 200                 struct {
 201                         /* We deliberatedly don't split into domain/user to
 202                            avoid having the client know what the separator
 203                            character is. */
 204                         fstring user;
 205                         fstring pass;
 206                         fstring require_membership_of_sid;
 207                         fstring krb5_cc_type;
 208                         uid_t uid;
 209                 } auth;              /* pam_winbind auth module */
 210                 struct {
 211                         unsigned char chal[8];
 212                         uint32 logon_parameters;
 213                         fstring user;
 214                         fstring domain;
 215                         fstring lm_resp;
 216                         uint16 lm_resp_len;
 217                         fstring nt_resp;
 218                         uint16 nt_resp_len;
 219                         fstring workstation;
 220                         fstring require_membership_of_sid;
 221                 } auth_crap;
 222                 struct {
 223                     fstring user;
 224                     fstring oldpass;
 225                     fstring newpass;
 226                 } chauthtok;         /* pam_winbind passwd module */
 227                 struct {
 228                         fstring user;
 229                         fstring krb5ccname;
 230                         uid_t uid;
 231                 } logoff;              /* pam_winbind session module */
 232                 fstring sid;         /* lookupsid, sid_to_[ug]id */
 233                 struct {
 234                         fstring dom_name;       /* lookupname */
 235                         fstring name;
 236                 } name;
 237                 uint32 num_entries;  /* getpwent, getgrent */
 238                 struct {
 239                         fstring username;
 240                         fstring groupname;
 241                 } acct_mgt;
 242                 struct {
 243                         BOOL is_primary;
 244                         fstring dcname;
 245                 } init_conn;
 246                 struct {
 247                         fstring sid;
 248                         fstring name;
 249                         BOOL alloc;
 250                 } dual_sid2id;
 251                 struct {
 252                         int type;
 253                         uid_t uid;
 254                         gid_t gid;
 255                         fstring sid;
 256                 } dual_idmapset;
 257                 BOOL list_all_domains;
 258         } data;
 259         union {
 260 #if defined(uint64)
 261                 uint64 z;
 262 #endif
 263                 char *data;
 264         } extra_data;
 265         uint32 extra_len;
 266         char null_term;
 267 };
 268
 269 /* Response values */
 270
 271 enum winbindd_result {
 272         WINBINDD_ERROR,
 273         WINBINDD_PENDING,
 274         WINBINDD_OK
 275 };
 276
 277 /* Winbind response structure */
 278
 279 struct winbindd_response {
 280
 281         /* Header information */
 282
 283         uint32 length;                        /* Length of response */
 284         enum winbindd_result result;          /* Result code */
 285
 286         /* Fixed length return data */
 287
 288         union {
 289                 int interface_version;  /* Try to ensure this is always in the same spot... */
 290
 291                 fstring winsresp;               /* WINS response */
 292
 293                 /* getpwnam, getpwuid */
 294
 295                 struct winbindd_pw pw;
 296
 297                 /* getgrnam, getgrgid */
 298
 299                 struct winbindd_gr gr;
 300
 301                 uint32 num_entries; /* getpwent, getgrent */
 302                 struct winbindd_sid {
 303                         fstring sid;        /* lookupname, [ug]id_to_sid */
 304                         int type;
 305                 } sid;
 306                 struct winbindd_name {
 307                         fstring dom_name;       /* lookupsid */
 308                         fstring name;
 309                         int type;
 310                 } name;
 311                 uid_t uid;          /* sid_to_uid */
 312                 gid_t gid;          /* sid_to_gid */
 313                 struct winbindd_info {
 314                         char winbind_separator;
 315                         fstring samba_version;
 316                 } info;
 317                 fstring domain_name;
 318                 fstring netbios_name;
 319                 fstring dc_name;
 320
 321                 struct auth_reply {
 322                         uint32 nt_status;
 323                         fstring nt_status_string;
 324                         fstring error_string;
 325                         int pam_error;
 326                         char user_session_key[16];
 327                         char first_8_lm_hash[8];
 328                         fstring krb5ccname;
 329                         struct policy_settings {
 330                                 uint16 min_length_password;
 331                                 uint16 password_history;
 332                                 uint32 password_properties;
 333                                 uint32 expire;
 334                                 uint32 min_passwordage;
 335                         } policy;
 336                         uint32 reject_reason;
 337                         struct info3_text {
 338                                 uint32 logon_time;
 339                                 uint32 logoff_time;
 340                                 uint32 kickoff_time;
 341                                 uint32 pass_last_set_time;
 342                                 uint32 pass_can_change_time;
 343                                 uint32 pass_must_change_time;
 344                                 uint16 logon_count;
 345                                 uint16 bad_pw_count;
 346                                 uint32 user_rid;
 347                                 uint32 group_rid;
 348                                 fstring dom_sid;
 349                                 uint32 num_groups;
 350                                 uint32 user_flgs;
 351                                 uint32 acct_flags;
 352                                 uint32 num_other_sids;
 353                                 fstring user_name;
 354                                 fstring full_name;
 355                                 fstring logon_script;
 356                                 fstring profile_path;
 357                                 fstring home_dir;
 358                                 fstring dir_drive;
 359                                 fstring logon_srv;
 360                                 fstring logon_dom;
 361                         } info3;
 362                 } auth;
 363                 struct {
 364                         fstring name;
 365                         fstring alt_name;
 366                         fstring sid;
 367                         BOOL native_mode;
 368                         BOOL active_directory;
 369                         BOOL primary;
 370                         uint32 sequence_number;
 371                 } domain_info;
 372                 struct {
 373                         fstring acct_name;
 374                         fstring full_name;
 375                         fstring homedir;
 376                         fstring shell;
 377                         uint32 group_rid;
 378                 } user_info;
 379         } data;
 380
 381         /* Variable length return data */
 382
 383         union {
 384 #if defined(uint64)
 385                 uint64 z;
 386 #endif
 387                 void *data;
 388         } extra_data;
 389 };
 390
 391 struct WINBINDD_CCACHE_ENTRY {
 392         const char *principal_name;
 393         const char *ccname;
 394         const char *service;
 395         const char *username;
 396         const char *sid_string;
 397         char *pass;
 398         uid_t uid;
 399         time_t create_time;
 400         time_t renew_until;
 401         BOOL refresh_tgt;
 402         time_t refresh_time;
 403         struct timed_event *event;
 404         struct WINBINDD_CCACHE_ENTRY *next, *prev;
 405 };
 406
 407 #endif