workspace/kdm/backend/greet.h

   1 /*
   2
   3 Copyright 2001-2005 Oswald Buddenhagen <ossi@kde.org>
   4
   5 Permission to use, copy, modify, distribute, and sell this software and its
   6 documentation for any purpose is hereby granted without fee, provided that
   7 the above copyright notice appear in all copies and that both that
   8 copyright notice and this permission notice appear in supporting
   9 documentation.
  10
  11 The above copyright notice and this permission notice shall be included
  12 in all copies or substantial portions of the Software.
  13
  14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  15 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  16 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  17 IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18 OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19 ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20 OTHER DEALINGS IN THE SOFTWARE.
  21
  22 Except as contained in this notice, the name of a copyright holder shall
  23 not be used in advertising or otherwise to promote the sale, use or
  24 other dealings in this Software without prior written authorization
  25 from the copyright holder.
  26
  27 */
  28
  29 /*
  30  * xdm - display manager daemon
  31  * Author: Keith Packard, MIT X Consortium
  32  *
  33  * interface to xdm's external greeter and config reader
  34  */
  35
  36 #ifndef GREET_H
  37 #define GREET_H
  38
  39 #include <config-workspace.h>
  40 #include <config-unix.h>
  41 #include <config-kdm.h>
  42
  43 #if defined(__sun) && !defined(__sun__)
  44 # define __sun__
  45 #endif
  46
  47 #ifdef HAVE_PAM
  48 # define USE_PAM
  49 #elif defined(HAVE_GETSPNAM)
  50 # define USESHADOW
  51 #endif
  52 #ifdef HAVE_VSYSLOG
  53 # define USE_SYSLOG
  54 #endif
  55
  56 #ifdef __linux__
  57 /* This needs to be run-time configurable, additionally. */
  58 # define HAVE_VTS
  59 #endif
  60
  61 #define DEBUG_CORE     0x01
  62 #define DEBUG_CONFIG   0x02
  63 #define DEBUG_GREET    0x04
  64 #define DEBUG_HLPCON   0x08
  65 #define DEBUG_WSESS    0x10
  66 #define DEBUG_WCONFIG  0x20
  67 #define DEBUG_WGREET   0x40
  68 #define DEBUG_NOSYSLOG 0x80
  69 #define DEBUG_AUTH     0x100
  70 #define DEBUG_THEMING  0x200
  71 #define DEBUG_VALGRIND 0x400
  72 #define DEBUG_STRACE   0x800
  73
  74 #ifndef True
  75 # define True  1
  76 # define False 0
  77 #endif
  78
  79 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 4)
  80 # define ATTR_UNUSED __attribute__((unused))
  81 # define ATTR_NORETURN __attribute__((noreturn))
  82 # define ATTR_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
  83 #else
  84 # define ATTR_UNUSED
  85 # define ATTR_NORETURN
  86 # define ATTR_PRINTFLIKE(fmt,var)
  87 #endif
  88
  89 #ifndef offsetof
  90 # define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
  91 #endif
  92
  93 #define as(ar) ((int)(sizeof(ar)/sizeof(ar[0])))
  94
  95 #define __stringify(x) #x
  96 #define stringify(x) __stringify(x)
  97
  98 /*
  99  * Exit codes for fork()ed session process, greeter, and config reader
 100  */
 101 #define EX_NORMAL           30  /* do whatever seems appropriate */
 102 #define EX_REMANAGE_DPY     31  /* force remanage; same as EX_NORMAL, but cannot return to reserve mode immediately */
 103 #define EX_UNMANAGE_DPY     32  /* force deletion */
 104 #define EX_RESERVER_DPY     33  /* force server termination */
 105 #define EX_AL_RESERVER_DPY  34  /* reserver; maybe, auto-(re-)login */
 106 #define EX_OPENFAILED_DPY   35  /* XOpenDisplay failed, retry */
 107 #define EX_RESERVE          37  /* put in reserve mode */
 108 #ifdef XDMCP
 109 #define EX_REMOTE           38  /* start -query-ing X-server */
 110 #define EX_MAX EX_REMOTE
 111 #else
 112 #define EX_MAX EX_RESERVE
 113 #endif
 114
 115 /*
 116  * Command codes core -> greeter
 117  */
 118 #define G_Greet             1   /* get login; bidi */
 119 #define G_ErrorGreet        2   /* print failed auto-login */
 120 #ifdef XDMCP
 121 #define G_Choose            3   /* run chooser; bidi */
 122 # define G_Ch_AddHost         301
 123 # define G_Ch_ChangeHost      302
 124 # define G_Ch_RemoveHost      303
 125 # define G_Ch_BadHost         304
 126 # define G_Ch_Exit            305
 127 #endif
 128 #define G_SessMan           4   /* start "session manager" */
 129 #define G_ConfShutdown      5   /* confirm forced shutdown */
 130 #define G_GreetTimed        6   /* get login; timed login permitted */
 131
 132 #ifdef XDMCP
 133 #define G_Ch_Refresh       10   /* XXX change */
 134 #define G_Ch_RegisterHost  11   /* str name      XXX change */
 135 #define G_Ch_DirectChoice  12   /* str name      XXX change */
 136 #endif
 137
 138 /*
 139  * Status/command codes greeter -> core
 140  */
 141 #define G_Ready    0    /* nop */
 142 #define G_Cancel   1    /* abort login, etc. */
 143
 144 #define G_DGreet   2    /* get login */
 145 #ifdef XDMCP
 146 #define G_DChoose  3    /* run chooser */
 147 #endif
 148
 149 #define G_Shutdown      101 /* 5*int, string; async */
 150 # define SHUT_REBOOT      1     /* how */
 151 # define SHUT_HALT        2
 152 # define SHUT_CONSOLE     -1 /* pseudo-code */
 153 # define SHUT_SCHEDULE    0     /* when; config only */
 154 # define SHUT_TRYNOW      1
 155 # define SHUT_FORCENOW    2
 156 # define SHUT_CANCEL      0     /* force */
 157 # define SHUT_FORCEMY     1
 158 # define SHUT_FORCE       2
 159 # define SHUT_ASK         3
 160 # define TO_INF           0x7fffffff
 161 #define G_SessionExit   102 /* int code; async */
 162 #define G_GetCfg        103 /* int what; int sts, <variable>  */
 163 #define G_SetupDpy      104 /* ; int <syncer> */
 164 #define G_ReadDmrc      105 /* str user; int sts - curdmrc */
 165 #define G_GetDmrc       106 /* str key; str value - curdmrc */
 166 /*#define G_ResetDmrc   107*/ /* ; async - newdmrc */
 167 #define G_PutDmrc       108 /* str key, str value; async - newdmrc */
 168 #define G_Verify        109 /* str type; ..., int V_ret */
 169 #define G_VerifyRootOK  110 /* str type; ..., int V_ret */
 170 #define G_List          111 /* int flags; ?*(str,str,[int,]str,str,int), int 0 */
 171 # define lstRemote        1
 172 # define lstPassive       2
 173 # define lstTTY           4
 174 # define isSelf           1
 175 # define isTTY            2
 176 #define G_QueryShutdown 112 /* ; 5*int; string */
 177 #define G_Activate      113 /* int vt; async */
 178 #define G_ListBootOpts  114 /* ; int sts, [argv opts, int dflt, int cur] */
 179 # define BO_OK      0
 180 # define BO_NOMAN  -1
 181 # define BO_NOENT  -2
 182 # define BO_IO     -3
 183 #define G_Console       116 /* ; async */
 184 #define G_AutoLogin     117 /* ; async */
 185 #define G_QryDpyShutdown 118 /* ; int, int, str */
 186
 187 /*
 188  * Command codes core -> config reader
 189  */
 190 #define GC_Files        1       /* get file list */
 191 #define GC_GetConf      2       /* get a config group */
 192 # define GC_gGlobal       1     /* get global config array */
 193 #ifdef XDMCP
 194 # define GC_gXaccess      3     /* get Xaccess equivalent */
 195 #endif
 196 # define GC_gDisplay      4     /* get per-display config array */
 197
 198 /*
 199  * Error code core -> greeter
 200  */
 201 #define GE_Ok       0
 202 #define GE_NoFkt    1   /* no such function (only for extensions!) */
 203 #define GE_Error    2   /* internal error, like OOM */
 204 /* for config reading */
 205 #define GE_NoEnt   10   /* no such config entry */
 206 #define GE_BadType 11   /* unknown config entry type */
 207 /* for dmrc reading */
 208 #define GE_NoUser  20   /* no such user */
 209 #define GE_NoFile  21   /* no such file */
 210 #define GE_Denied  22   /* permission denied */
 211
 212 /*
 213  * Log levels.
 214  * Used independently in core, greeter & config reader.
 215  */
 216 #define DM_DEBUG  0
 217 #define DM_INFO   1
 218 #define DM_WARN   2
 219 #define DM_ERR    3
 220 #define DM_PANIC  4
 221
 222 /*
 223  * Status codes from verify
 224  */
 225 /* terminal status codes */
 226 #define V_OK              0
 227 #define V_FAIL           10     /* whatever, already reported with V_MSG_* */
 228 #define V_AUTH           11     /* authentication failed */
 229 /* non-terminal status codes */
 230 #define V_MSG_INFO      110 /* info message attached; 0 return */
 231 #define V_MSG_ERR       111 /* error message attached (null for generic); 0 return */
 232 #define V_PUT_USER      112 /* user name attached; only with pam & no user send */
 233 #define V_CHTOK         113 /* password expired; change now */
 234 #define V_CHTOK_AUTH    114 /* password expired; change now, but authenticate first */
 235 #define V_PRE_OK        115 /* authentication succeeded, continue with password change */
 236 #define V_MSG_INFO_AUTH 116 /* info message during auth attached; 0 return */
 237 /* queries */
 238 #define V_GET_TEXT      200 /* str prompt, int echo, int ndelay; str return, int tag */
 239 # define V_IS_SECRET        1
 240 # define V_IS_USER          2
 241 # define V_IS_PASSWORD      4
 242 # define V_IS_OLDPASSWORD   8
 243 # define V_IS_NEWPASSWORD  16
 244 #define V_GET_BINARY    201 /* array prompt, int ndelay; array return */
 245
 246 /*
 247  * Config/Runtime data keys
 248  */
 249 #define C_WHO_MASK    0x00ff0000        /* Non-zero for proprietary extensions (see manufacturer table [to be written]) */
 250 #define C_TYPE_MASK   0x0f000000        /* Type of the value */
 251 # define C_TYPE_INT      0x00000000     /*   Integer */
 252 # define C_TYPE_STR      0x01000000     /*   String */
 253 # define C_TYPE_ARGV     0x02000000     /*   0-terminated Array of Strings */
 254 # define C_TYPE_ARR      0x03000000     /*   Array (only when XDCMP is enabled) */
 255 #define C_PRIVATE     0xf0000000        /* Private, don't make it visible to interfaces! */
 256
 257 /* display variables */
 258 #define C_isLocal       (C_TYPE_INT | 0x200)
 259 #define C_hasConsole    (C_TYPE_INT | 0x201)
 260 #define C_isAuthorized  (C_TYPE_INT | 0x202)
 261 #define C_isReserve     (C_TYPE_INT | 0x203)
 262
 263 #ifdef XDMCP
 264 /**
 265  ** for xdmcp acls
 266  **/
 267
 268 /*
 269  * flags in acl entries
 270  */
 271 #define a_notAllowed    1       /* both direct and indirect */
 272 #define a_notBroadcast  2       /* only direct */
 273 #define a_useChooser    2       /* only indirect */
 274
 275 /*
 276  * type of host entries
 277  */
 278 #define HOST_ALIAS      0
 279 #define HOST_ADDRESS    1
 280 #define HOST_PATTERN    2
 281 #define HOST_BROADCAST  3
 282
 283 #endif
 284
 285 #endif /* GREET_H */