include/snmp_impl.h

   1 /*
   2  * Definitions for SNMP (RFC 1067) implementation.
   3  *
   4  *
   5  */
   6 /***********************************************************
   7         Copyright 1988, 1989 by Carnegie Mellon University
   8
   9                       All Rights Reserved
  10
  11 Permission to use, copy, modify, and distribute this software and its
  12 documentation for any purpose and without fee is hereby granted,
  13 provided that the above copyright notice appear in all copies and that
  14 both that copyright notice and this permission notice appear in
  15 supporting documentation, and that the name of CMU not be
  16 used in advertising or publicity pertaining to distribution of the
  17 software without specific, written prior permission.
  18
  19 CMU DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
  20 ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
  21 CMU BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
  22 ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
  23 WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
  24 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
  25 SOFTWARE.
  26 ******************************************************************/
  27
  28 #ifndef SNMP_IMPL_H
  29 #define SNMP_IMPL_H
  30
  31
  32 #undef _ANSI_ARGS_
  33 #if (defined(__STDC__) && ! defined(NO_PROTOTYPE)) || defined(USE_PROTOTYPE)
  34 #define _ANSI_ARGS_(x) x
  35 #else
  36 #define _ANSI_ARGS_(x) ()
  37 #endif
  38
  39
  40 #if (defined vax) || (defined (mips))
  41 /*
  42  * This is a fairly bogus thing to do, but there seems to be no better way for
  43  * compilers that don't understand void pointers.
  44  */
  45 #define void char
  46 #endif
  47
  48 /*
  49  * Error codes:
  50  */
  51 /*
  52  * These must not clash with SNMP error codes (all positive).
  53  */
  54 #define PARSE_ERROR     -1
  55 #define BUILD_ERROR     -2
  56
  57 #define SID_MAX_LEN     200
  58 #define MAX_NAME_LEN    64      /* number of subid's in a objid */
  59
  60 #ifndef NULL
  61 #define NULL 0
  62 #endif
  63
  64 #ifndef TRUE
  65 #define TRUE    1
  66 #endif
  67 #ifndef FALSE
  68 #define FALSE   0
  69 #endif
  70
  71 #define READ        1
  72 #define WRITE       0
  73
  74 #define RESERVE1    0
  75 #define RESERVE2    1
  76 #define COMMIT      2
  77 #define ACTION      3
  78 #define FREE        4
  79
  80 #define RONLY   0xAAAA          /* read access for everyone */
  81 #define RWRITE  0xAABA          /* add write access for community private */
  82 #define NOACCESS 0x0000         /* no access for anybody */
  83
  84 #define INTEGER     ASN_INTEGER
  85 #define STRING      ASN_OCTET_STR
  86 #define OBJID       ASN_OBJECT_ID
  87 #define NULLOBJ     ASN_NULL
  88
  89 /* defined types (from the SMI, RFC 1065) */
  90 #define IPADDRESS   (ASN_APPLICATION | 0)
  91 #define COUNTER     (ASN_APPLICATION | 1)
  92 #define GAUGE       (ASN_APPLICATION | 2)
  93 #define TIMETICKS   (ASN_APPLICATION | 3)
  94 #define OPAQUE      (ASN_APPLICATION | 4)
  95
  96 #define NSAP        (ASN_APPLICATION | 5)
  97 #define COUNTER64   (ASN_APPLICATION | 6)
  98 #define UINTEGER    (ASN_APPLICATION | 7)
  99 #define DEBUG
 100 #ifdef DEBUG
 101 #define ERROR(string)   fprintf(stderr,"%s(%d): ERROR %s\n",__FILE__, __LINE__, string);
 102 #else
 103 #define ERROR(string)
 104 #endif
 105
 106 /* from snmp.c */
 107 extern u_char sid[];            /* size SID_MAX_LEN */
 108
 109 extern u_char *snmp_parse_var_op _ANSI_ARGS_((u_char * data,
 110         oid * var_name,
 111         int *var_name_len,
 112         u_char * var_val_type,
 113         int *var_val_len,
 114         u_char ** var_val,
 115         int *listlength));
 116
 117 extern u_char *snmp_build_var_op _ANSI_ARGS_((u_char * data,
 118         oid * var_name,
 119         int *var_name_len,
 120         u_char var_val_type,
 121         int var_val_len,
 122         u_char * var_val,
 123         int *listlength));
 124
 125 extern u_char *snmp_auth_parse _ANSI_ARGS_((u_char * data,
 126         int *length,
 127         u_char * sid,
 128         int *slen,
 129         long *version));
 130
 131 extern u_char *snmp_auth_build _ANSI_ARGS_((u_char * data,
 132         int *length,
 133         struct snmp_session * session,
 134         int is_agent,
 135         int messagelen));
 136
 137 #endif