www.pudn.com > javasnmpv3.rar > address.cpp
/*_############################################################################
_##
_## address.cpp
_##
_## SNMP++v3.2.22
_## -----------------------------------------------
_## Copyright (c) 2001-2007 Jochen Katz, Frank Fock
_##
_## This software is based on SNMP++2.6 from Hewlett Packard:
_##
_## Copyright (c) 1996
_## Hewlett-Packard Company
_##
_## ATTENTION: USE OF THIS SOFTWARE IS SUBJECT TO THE FOLLOWING TERMS.
_## Permission to use, copy, modify, distribute and/or sell this software
_## and/or its documentation is hereby granted without fee. User agrees
_## to display the above copyright notice and this license notice in all
_## copies of the software and any documentation of the software. User
_## agrees to assume all liability for the use of the software;
_## Hewlett-Packard and Jochen Katz make no representations about the
_## suitability of this software for any purpose. It is provided
_## "AS-IS" without warranty of any kind, either express or implied. User
_## hereby grants a royalty-free license to any and all derivatives based
_## upon this software code base.
_##
_## Stuttgart, Germany, Wed May 2 23:22:30 CEST 2007
_##
_##########################################################################*/
/*===================================================================
Copyright (c) 1999
Hewlett-Packard Company
ATTENTION: USE OF THIS SOFTWARE IS SUBJECT TO THE FOLLOWING TERMS.
Permission to use, copy, modify, distribute and/or sell this software
and/or its documentation is hereby granted without fee. User agrees
to display the above copyright notice and this license notice in all
copies of the software and any documentation of the software. User
agrees to assume all liability for the use of the software; Hewlett-Packard
makes no representations about the suitability of this software for any
purpose. It is provided "AS-IS" without warranty of any kind,either express
or implied. User hereby grants a royalty-free license to any and all
derivatives based upon this software code base.
A D D R E S S. C P P
ADDRESS CLASS IMPLEMENTATION
DESIGN + AUTHOR: Peter E. Mellquist
DESCRIPTION: Implementation file for Address classes.
LANGUAGE: ANSI C++
=====================================================================*/
char address_cpp_version[]="@(#) SNMP++ $Id: address.cpp 277 2007-03-22 21:17:36Z katz $";
#include
#include
#include
#include "snmp_pp/address.h"
#include "snmp_pp/v3.h"
#ifdef SNMP_PP_NAMESPACE
namespace Snmp_pp {
#endif
/* Borlands isdigit has a bug */
#ifdef __BCPLUSPLUS__
#define my_isdigit(c) ((c) >= '0' && (c) <= '9')
#else
#define my_isdigit isdigit
#endif
#ifdef ADDRESS_DEBUG
#define ADDRESS_TRACE debugprintf(0, "ADDRESS %p Enter %s", this, __PRETTY_FUNCTION__)
#define ADDRESS_TRACE2 debugprintf(0, "ADDRESS op Enter %s", __PRETTY_FUNCTION__)
#else
#define ADDRESS_TRACE
#define ADDRESS_TRACE2
#endif
#if !defined HAVE_GETHOSTBYNAME_R || !defined HAVE_GETHOSTBYADDR_R || !defined HAVE_REENTRANT_GETHOSTBYNAME || !defined HAVE_REENTRANT_GETHOSTBYADDR
#ifdef _THREADS
SnmpSynchronized Address::syscall_mutex;
#endif
#endif
//=================================================================
//======== Abstract Address Class Implementation ==================
//=================================================================
Address::Address()
: addr_changed(true), valid_flag(false)
{
ADDRESS_TRACE;
memset(address_buffer, 0, sizeof(unsigned char)*ADDRBUF);
}
//------------[ Address::trim_white_space( char * ptr) ]------------
// destructive trim white space
void Address::trim_white_space(char *ptr)
{
ADDRESS_TRACE;
char *tmp = ptr; // init
while (*tmp==' ') tmp++; // skip leading white space
while (*tmp && (*tmp != ' ')) *ptr++ = *tmp++; // move string to beginning
*ptr = 0; // set end of string
}
// Reset the object
void Address::clear()
{
addr_changed = true;
valid_flag = false;
memset(address_buffer, 0, sizeof(unsigned char)*ADDRBUF);
}
//-----------------------------------------------------------------------
// overloaded equivlence operator, are two addresses equal?
int operator==(const Address &lhs, const Address &rhs)
{
ADDRESS_TRACE2;
return (strcmp((const char*)lhs, (const char*)rhs) == 0);
}
//------------------------------------------------------------------
// overloaded > operator, is a1 > a2
int operator>(const Address &lhs, const Address &rhs)
{
ADDRESS_TRACE2;
return (strcmp((const char*)lhs, (const char*)rhs) > 0);
}
//-----------------------------------------------------------------
// overloaded < operator, is a1 < a2
int operator<(const Address &lhs, const Address &rhs)
{
ADDRESS_TRACE2;
return (strcmp((const char*)lhs, (const char*)rhs) < 0);
}
//------------------------------------------------------------------
// equivlence operator overloaded, are an address and a string equal?
int operator==(const Address &lhs, const char *rhs)
{
ADDRESS_TRACE2;
if (!rhs && !lhs.valid())
return TRUE;
if (strcmp((const char *)lhs, rhs) == 0)
return TRUE;
return FALSE;
}
//------------------------------------------------------------------
// overloaded > , is a > inaddr
int operator>(const Address &lhs, const char *rhs)
{
ADDRESS_TRACE2;
if (!rhs)
return lhs.valid(); // if lhs valid then > NULL, else invalid !> NULL
if (strcmp((const char *)lhs, rhs) > 0)
return TRUE;
return FALSE;
}
//------------------------------------------------------------------
// overloaded >= , is a >= inaddr
int operator>=(const Address &lhs, const char *rhs)
{
ADDRESS_TRACE2;
if (!rhs)
return TRUE; // always >= NULL
if (strcmp((const char *)lhs, rhs) >= 0)
return TRUE;
return FALSE;
}
//-----------------------------------------------------------------
// overloaded < , are an address and a string equal?
int operator<(const Address &lhs, const char *rhs)
{
ADDRESS_TRACE2;
if (!rhs)
return FALSE; // always >= NULL
if (strcmp((const char *)lhs, rhs) < 0)
return TRUE;
return FALSE;
}
//-----------------------------------------------------------------
// overloaded <= , is a <= inaddr
int operator<=(const Address &lhs, const char *rhs)
{
ADDRESS_TRACE2;
if (!rhs)
return !lhs.valid(); // invalid == NULL, else valid > NULL
if (strcmp((const char *)lhs, rhs) <= 0)
return TRUE;
return FALSE;
}
//=====================================================================
//============ IPAddress Implementation ===============================
//=====================================================================
//-------[ construct an IP address with no agrs ]----------------------
IpAddress::IpAddress()
: Address(), iv_friendly_name_status(0), ip_version(version_ipv4)
{
ADDRESS_TRACE;
// always initialize what type this object is
smival.syntax = sNMP_SYNTAX_IPADDR;
smival.value.string.len = IPLEN;
smival.value.string.ptr = address_buffer;
memset(iv_friendly_name, 0, sizeof(char) * MAX_FRIENDLY_NAME);
}
//-------[ construct an IP address with a string ]---------------------
IpAddress::IpAddress(const char *inaddr)
: Address()
{
ADDRESS_TRACE;
// always initialize what type this object is
smival.syntax = sNMP_SYNTAX_IPADDR;
smival.value.string.len = IPLEN;
smival.value.string.ptr = address_buffer;
// parse_address initializes valid, address_buffer & iv_friendly_name
valid_flag = parse_address(inaddr);
}
//-----[ IP Address copy constructor ]---------------------------------
IpAddress::IpAddress(const IpAddress &ipaddr)
: iv_friendly_name_status(0), ip_version(ipaddr.ip_version)
{
ADDRESS_TRACE;
// always initialize what type this object is
smival.syntax = sNMP_SYNTAX_IPADDR;
smival.value.string.len = ipaddr.smival.value.string.len;
smival.value.string.ptr = address_buffer;
memset(iv_friendly_name, 0, sizeof(char) * MAX_FRIENDLY_NAME);
valid_flag = ipaddr.valid_flag;
if (valid_flag)
{
// copy the address data
MEMCPY(address_buffer, ipaddr.address_buffer, smival.value.string.len);
// and the friendly name
strcpy(iv_friendly_name, ipaddr.iv_friendly_name);
if (!ipaddr.addr_changed)
{
memcpy(output_buffer, ipaddr.output_buffer,
sizeof(unsigned char) * OUTBUFF);
addr_changed = false;
}
}
}
//-----[ construct an IP address with a GenAddress ]---------------------
IpAddress::IpAddress(const GenAddress &genaddr)
: iv_friendly_name_status(0)
{
ADDRESS_TRACE;
// always initialize what type this object is
smival.syntax = sNMP_SYNTAX_IPADDR;
smival.value.string.len = IPLEN;
smival.value.string.ptr = address_buffer;
memset(iv_friendly_name, 0, sizeof(char) * MAX_FRIENDLY_NAME);
output_buffer[0]=0;
// allow use of an ip or udp genaddress
valid_flag = genaddr.valid();
if (valid_flag)
{
if (genaddr.get_type() == type_ip)
{
// copy in the IP address data
*this = genaddr.cast_ipaddress();
return;
}
else if (genaddr.get_type() == type_udp)
{
// copy in the IP address data
*this = genaddr.cast_udpaddress();
return;
}
}
valid_flag = false;
addr_changed = true;
}
//-----[ IP Address general = operator ]-------------------------------
SnmpSyntax& IpAddress::operator=(const SnmpSyntax &val)
{
ADDRESS_TRACE;
if (this == &val) return *this; // protect against assignment from itself
addr_changed = true;
valid_flag = false; // will get set TRUE if really valid
memset(iv_friendly_name, 0, sizeof(char) * MAX_FRIENDLY_NAME);
if (val.valid())
{
switch (val.get_syntax())
{
case sNMP_SYNTAX_IPADDR:
case sNMP_SYNTAX_OCTETS:
if ((((IpAddress &)val).smival.value.string.len == IPLEN) ||
(((IpAddress &)val).smival.value.string.len == UDPIPLEN))
{
MEMCPY(address_buffer,
((IpAddress &)val).smival.value.string.ptr, IPLEN);
valid_flag = true;
ip_version = version_ipv4;
smival.value.string.len = IPLEN;
}
else if ((((IpAddress &)val).smival.value.string.len == IP6LEN) ||
(((IpAddress &)val).smival.value.string.len == UDPIP6LEN))
{
MEMCPY(address_buffer,
((IpAddress &)val).smival.value.string.ptr, IP6LEN);
valid_flag = true;
ip_version = version_ipv6;
smival.value.string.len = IP6LEN;
}
break;
// NOTE: as a value add, other types could have "logical"
// mappings, i.e. integer32 and unsigned32
}
}
return *this;
}
//------[ assignment to another ipaddress object overloaded ]-----------------
IpAddress& IpAddress::operator=(const IpAddress &ipaddr)
{
ADDRESS_TRACE;
if (this == &ipaddr) return *this; // protect against assignment from itself
valid_flag = ipaddr.valid_flag;
memset(iv_friendly_name, 0, sizeof(char) * MAX_FRIENDLY_NAME);
if (valid_flag)
{
if (ipaddr.ip_version == version_ipv4)
{
MEMCPY(address_buffer, ipaddr.address_buffer, IPLEN);
ip_version = version_ipv4;
smival.value.string.len = IPLEN;
}
else
{
MEMCPY(address_buffer, ipaddr.address_buffer, IP6LEN);
ip_version = version_ipv6;
smival.value.string.len = IP6LEN;
}
strcpy(iv_friendly_name, ipaddr.iv_friendly_name);
if (ipaddr.addr_changed)
addr_changed = true;
else
{
memcpy(output_buffer, ipaddr.output_buffer,
sizeof(unsigned char) * OUTBUFF);
addr_changed = false;
}
}
else
addr_changed = true;
return *this;
}
IpAddress& IpAddress::operator=(const char *inaddr)
{
ADDRESS_TRACE;
valid_flag = parse_address(inaddr);
addr_changed = true;
return *this;
}
//-------[ return the friendly name ]----------------------------------
char *IpAddress::friendly_name(int &status)
{
ADDRESS_TRACE;
if ((iv_friendly_name[0]==0) && (valid_flag))
this->addr_to_friendly();
status = iv_friendly_name_status;
return iv_friendly_name;
}
// parse a dotted string
int IpAddress::parse_dotted_ipstring(const char *inaddr)
{
ADDRESS_TRACE;
int token_count=0;
char temp[30]; // temp buffer for destruction
// check len, an ip can never be bigger than 15
// 123456789012345
// XXX.XXX.XXX.XXX
if (!inaddr || (strlen(inaddr) > 30)) return FALSE;
strcpy(temp, inaddr);
trim_white_space(temp);
if (strlen(temp) > 15) return FALSE;
/* Check for the following:
* - exactly three dots
* - no dot at begin or end
* - at least a digit between two dots
* - only dots and digits allowed
*/
char *ptr = temp;
int dot_count = 0;
bool last_char_was_dot = true;
while (*ptr)
{
if (*ptr == '.')
{
if (last_char_was_dot) return FALSE;
++dot_count;
last_char_was_dot = true;
}
else if (my_isdigit(*ptr))
{
last_char_was_dot = false;
}
else
return FALSE;
++ptr;
}
if ((dot_count != 3) || (last_char_was_dot))
return FALSE;
ptr = temp;
while (*ptr)
{
unsigned long number = 0;
if (*ptr == '.') ++ptr; // skip over the dot
// grab a digit token and convert it to a long int
int digits = 0;
while ((*ptr) && (*ptr != '.'))
{
number = (number * 10) + *(ptr++) - '0';
++digits;
}
if (digits > 3) return FALSE;
if (number > 255) return FALSE;
// stuff the value into the array and bump the counter
address_buffer[token_count++]= (unsigned char) number;
}
ip_version = version_ipv4;
smival.value.string.len = IPLEN;
return TRUE;
}
#define ATOI(x) if ((x >= 48) && (x <= 57)) x = x-48; /* 0-9 */ \
else if ((x >= 97) && (x <=102)) x = x-87; /* a-f */ \
else if ((x >= 65) && (x <= 70)) x = x-55; /* A-F */ \
else x=0
// parse a coloned string
int IpAddress::parse_coloned_ipstring(const char *inaddr)
{
ADDRESS_TRACE;
unsigned char tmp_address_buffer[ADDRBUF];
char temp[60]; // temp buffer for destruction
// check len, an ipv6 can never be bigger than 39
// 123456789012345678901234567890123456789
// 1BCD:2BCD:3BCD:4BCD:5BCD:6BCD:7BCD:8BCD
if (!inaddr || (strlen(inaddr) > 60)) return FALSE;
strcpy(temp, inaddr);
trim_white_space(temp);
if (strlen(temp) > 39) return FALSE;
char *in_ptr = temp;
char *out_ptr = (char*)tmp_address_buffer;
char *end_first_part = NULL;
char second[39];
int second_used = FALSE;
int colon_count = 0;
int had_double_colon = FALSE;
int last_was_colon = FALSE;
int had_dot = FALSE;
int dot_count = 0;
int digit_count = 0;
char digits[4];
char last_deliminiter = 0;
while (*in_ptr != 0)
{
if (*in_ptr == '.')
{
last_deliminiter = *in_ptr;
had_dot = TRUE;
dot_count++;
if (dot_count > 3)
return FALSE;
if ((digit_count > 3) || (digit_count < 1))
return FALSE;
for (int i=0; i 0) && (value <= 255))
*out_ptr++ = (unsigned char) value;
else
{
if (strcmp(digits, "0") == 0)
*out_ptr++ = (unsigned char) 0;
else
return FALSE;
}
digit_count = 0;
}
else if (*in_ptr == ':')
{
last_deliminiter = *in_ptr;
if (had_dot)
return FALSE; // don't allow : after a dot
if (digit_count)
{
// move digits to right
{
for (int i=0; i= 4)
return FALSE;
if (!isxdigit(*in_ptr))
return FALSE;
digits[digit_count] = tolower(*in_ptr);
digit_count++;
if (digit_count > 4)
return FALSE;
last_was_colon = 0;
}
in_ptr++;
}
// put last bytes from digits into buffer
if (digit_count)
{
if (last_deliminiter == ':')
{
{
// move digits to right
for (int i=0; i 3) || (digit_count < 1))
return FALSE;
for (int i=0; i 0) && (value <= 255))
*out_ptr++ = (unsigned char) value;
else
{
if (strcmp(digits, "0") == 0)
*out_ptr++ = (unsigned char) 0;
else
return FALSE;
}
digit_count = 0;
}
else
return FALSE;
}
// must have between two and seven colons
if ((colon_count > 7) || (colon_count < 2))
return FALSE;
// if there was a dot there must be three of them
if ((dot_count > 0) && (dot_count != 3))
return FALSE;
if (second_used)
{
int len_first = SAFE_INT_CAST(end_first_part - (char*)tmp_address_buffer);
int len_second = SAFE_INT_CAST(out_ptr - second);
int i=0;
for (i=0; ih_length == sizeof(in6_addr))
{
in6_addr ipAddr;
memcpy((void *) &ipAddr, (void *) lookupResult->h_addr,
sizeof(in6_addr));
// now lets check out the coloned string
if (!inet_ntop(AF_INET6, &ipAddr, ds, 48))
return FALSE;
debugprintf(4, "from inet_ntop: %s", ds);
if (!parse_coloned_ipstring(ds))
return FALSE;
// save the friendly name
strcpy(iv_friendly_name, inaddr);
return TRUE;
}
#endif // SNMP_PP_IPv6
if (lookupResult->h_length == sizeof(in_addr))
{
in_addr ipAddr;
memcpy((void *) &ipAddr, (void *) lookupResult->h_addr,
sizeof(in_addr));
// now lets check out the dotted string
strcpy(ds,inet_ntoa(ipAddr));
if (!parse_dotted_ipstring(ds))
return FALSE;
// save the friendly name
strcpy(iv_friendly_name, inaddr);
return TRUE;
}
} // end if lookup result
else
{
#ifdef HAVE_GETHOSTBYNAME_R
iv_friendly_name_status = herrno;
#else
iv_friendly_name_status = h_errno;
#endif
return FALSE;
}
#endif //PPC603
} // end else not a dotted string
return TRUE;
}
// using the currently defined address, do a DNS
// and try to fill up the name
int IpAddress::addr_to_friendly()
{
ADDRESS_TRACE;
#if !defined HAVE_GETHOSTBYADDR_R && !defined HAVE_REENTRANT_GETHOSTBYADDR
#ifdef _THREADS
SnmpSynchronize s(syscall_mutex);
#endif
#endif
#if defined (CPU) && CPU == PPC603
int lookupResult;
char hName[MAXHOSTNAMELEN+1];
#else
hostent *lookupResult;
#endif
char ds[48];
// can't look up an invalid address
if (!valid_flag) return -1;
// lets try and get the friendly name from the DNS
strcpy(ds, this->IpAddress::get_printable());
#if !(defined (CPU) && CPU == PPC603) && defined HAVE_GETHOSTBYADDR_R
int herrno = 0;
hostent lookup;
char buf[2048]; // TODO: Buf size too big?
#endif
if (ip_version == version_ipv4)
{
in_addr ipAddr;
#if defined HAVE_INET_ATON
if (inet_aton((char*)ds, &ipAddr) == 0)
return -1; // bad address
#elif defined HAVE_INET_PTON
if (inet_pton(AF_INET, (char*)ds, &ipAddr) <= 0)
return -1; // bad address
#else
ipAddr.s_addr = inet_addr((char*)ds);
if (ipAddr.s_addr == INADDR_NONE)
return -1; // bad address
#endif
#if defined (CPU) && CPU == PPC603
lookupResult = hostGetByAddr(ipAddr.s_addr, hName);
#elif defined HAVE_GETHOSTBYADDR_R
#if defined(__sun) || defined(__QNX_NEUTRINO)
lookupResult = gethostbyaddr_r((char *) &ipAddr, sizeof(in_addr),
AF_INET, &lookup, buf, 2048, &herrno);
#else
gethostbyaddr_r((char *) &ipAddr, sizeof(in_addr),
AF_INET, &lookup, buf, 2048, &lookupResult, &herrno);
#endif
#else
lookupResult = gethostbyaddr((char *) &ipAddr, sizeof(in_addr),
AF_INET);
#endif
}
else
{
#ifdef SNMP_PP_IPv6
in6_addr ipAddr;
if (inet_pton(AF_INET6, (char*)ds, &ipAddr) <= 0)
return -1; // bad address
#if defined (CPU) && CPU == PPC603
lookupResult = hostGetByAddr(ipAddr.s_addr, hName);
#elif defined HAVE_GETHOSTBYADDR_R
#if defined(__sun) || defined(__QNX_NEUTRINO)
lookupResult = gethostbyaddr_r((char *) &ipAddr, sizeof(in_addr),
AF_INET6, &lookup, buf, 2048, &herrno);
#else
gethostbyaddr_r((char *) &ipAddr, sizeof(in_addr),
AF_INET6, &lookup, buf, 2048, &lookupResult, &herrno);
#endif
#else
lookupResult = gethostbyaddr((char *) &ipAddr, sizeof(in6_addr),
AF_INET6);
#endif // HAVE_GETHOSTBYADDR_R
#else
return -1;
#endif // SNMP_PP_IPv6
}
// if we found the name, then update the iv friendly name
#if defined (CPU) && CPU == PPC603
if (lookupResult != ERROR)
{
strncpy(iv_friendly_name, hName, MAX_FRIENDLY_NAME);
return 0;
}
else
{
iv_friendly_name_status = lookupResult;
return lookupResult;
}
return -1; //should not get here
#else
if (lookupResult)
{
strcpy(iv_friendly_name, lookupResult->h_name);
return 0;
}
else
{
#ifdef HAVE_GETHOSTBYADDR_R
iv_friendly_name_status = herrno;
#else
iv_friendly_name_status = h_errno;
#endif
return iv_friendly_name_status;
}
#endif //PPC603
}
//----[ IP address format output ]------------------------------------
void IpAddress::format_output() const
{
ADDRESS_TRACE;
// if valid format else null it
if (valid_flag)
{
if (ip_version == version_ipv4)
sprintf((char *) output_buffer,"%d.%d.%d.%d",address_buffer[0],
address_buffer[1], address_buffer[2], address_buffer[3]);
else
sprintf((char *) output_buffer,
"%02x%02x:%02x%02x:%02x%02x:%02x%02x:"
"%02x%02x:%02x%02x:%02x%02x:%02x%02x",
address_buffer[ 0], address_buffer[ 1], address_buffer[ 2],
address_buffer[ 3], address_buffer[ 4], address_buffer[ 5],
address_buffer[ 6], address_buffer[ 7], address_buffer[ 8],
address_buffer[ 9], address_buffer[10], address_buffer[11],
address_buffer[12], address_buffer[13], address_buffer[14],
address_buffer[15]);
}
else
*(char *)output_buffer = 0;
IpAddress *nc_this = PP_CONST_CAST(IpAddress*, this);
nc_this->addr_changed = false;
}
//-----------------------------------------------------------------
// logically and two IPaddresses and
// return the new one
void IpAddress::mask(const IpAddress& ipaddr)
{
ADDRESS_TRACE;
if (valid() && ipaddr.valid())
{
int count = (ip_version == version_ipv4) ? IPLEN : IP6LEN;
for (int i = 0; i < count; i++)
address_buffer[i] = address_buffer[i] & ipaddr.address_buffer[i];
addr_changed = true;
}
}
// Get the count of matching bits from the left.
int IpAddress::get_match_bits(const IpAddress match_ip) const
{
ADDRESS_TRACE;
int bits = 0;
if (valid() && match_ip.valid() &&
(ip_version == match_ip.ip_version))
{
int count = (ip_version == version_ipv4) ? IPLEN : IP6LEN;
for (int i = 0; i < count; i++)
{
if (address_buffer[i] == match_ip.address_buffer[i])
bits += 8;
else
{
bits += 7;
unsigned char c1 = address_buffer[i] >> 1;
unsigned char c2 = match_ip.address_buffer[i] >> 1;
while (c1 != c2)
{
c1 = c1 >> 1;
c2 = c2 >> 1;
bits--;
}
break;
}
}
}
return bits;
}
// Map a IPv4 Address to a IPv6 address.
int IpAddress::map_to_ipv6()
{
ADDRESS_TRACE;
if (!valid())
return FALSE;
if (ip_version != version_ipv4)
return FALSE;
/* just copy IPv4 address to the end of the buffer
zero the first 10 bytes and fill 2 Bytes with 0xff */
memcpy(&address_buffer[12], address_buffer, 4);
memset(address_buffer, 0, 10);
address_buffer[10] = 0xff;
address_buffer[11] = 0xff;
smival.value.string.len = IP6LEN;
ip_version = version_ipv6;
addr_changed = true;
return TRUE;
}
// Reset the object
void IpAddress::clear()
{
Address::clear();
memset(output_buffer, 0, sizeof(output_buffer));
iv_friendly_name_status = 0;
ip_version = version_ipv4;
memset(iv_friendly_name, 0, sizeof(char) * MAX_FRIENDLY_NAME);
smival.value.string.len = IPLEN;
}
//=======================================================================
//========== Udp Address Implementation =================================
//=======================================================================
//-------[ construct an IP address with no agrs ]----------------------
UdpAddress::UdpAddress()
: IpAddress()
{
ADDRESS_TRACE;
// Inherits IP Address attributes
// Always initialize (override) what type this object is
smival.syntax = sNMP_SYNTAX_OCTETS;
smival.value.string.len = UDPIPLEN;
smival.value.string.ptr = address_buffer;
sep = ':';
set_port(0);
}
//-----------------[ construct an Udp address with another Udp address ]---
UdpAddress::UdpAddress(const UdpAddress &udpaddr)
: IpAddress(udpaddr)
{
ADDRESS_TRACE;
// always initialize SMI info
smival.syntax = sNMP_SYNTAX_OCTETS;
smival.value.string.len = udpaddr.smival.value.string.len;
smival.value.string.ptr = address_buffer;
// Copy the port value
sep = ':';
set_port(udpaddr.get_port());
if (!udpaddr.addr_changed)
{
memcpy(output_buffer, udpaddr.output_buffer,
sizeof(unsigned char) * OUTBUFF);
addr_changed = false;
}
}
// constructor with a dotted string
UdpAddress::UdpAddress(const char *inaddr) : IpAddress()
{
ADDRESS_TRACE;
// always initialize SMI info
smival.syntax = sNMP_SYNTAX_OCTETS;
smival.value.string.len = UDPIPLEN;
smival.value.string.ptr = address_buffer;
valid_flag = parse_address(inaddr);
addr_changed = true;
}
//-----------------[ construct a UdpAddress from a GenAddress ]--------------
UdpAddress::UdpAddress(const GenAddress &genaddr) : IpAddress()
{
ADDRESS_TRACE;
// always initialize SMI info
smival.syntax = sNMP_SYNTAX_OCTETS;
smival.value.string.len = UDPIPLEN;
smival.value.string.ptr = address_buffer;
valid_flag = genaddr.valid();
// allow use of an ip or udp genaddress
if (valid_flag)
{
if (genaddr.get_type() == type_udp)
{
*this = genaddr.cast_udpaddress(); // copy in the IP address data
}
else if (genaddr.get_type() == type_ip)
{
*this = genaddr.cast_ipaddress(); // copy in the IP address data
}
else
{
valid_flag = false;
}
}
sep = ':';
}
//--------[ construct a udp from an IpAddress ]--------------------------
UdpAddress::UdpAddress(const IpAddress &ipaddr):IpAddress(ipaddr)
{
ADDRESS_TRACE;
// always initialize SMI info
smival.syntax = sNMP_SYNTAX_OCTETS;
if (ip_version == version_ipv4)
smival.value.string.len = UDPIPLEN;
else
smival.value.string.len = UDPIP6LEN;
smival.value.string.ptr = address_buffer;
sep = ':';
addr_changed = true;
set_port(0);
}
// copy an instance of this Value
SnmpSyntax& UdpAddress::operator=(const SnmpSyntax &val)
{
ADDRESS_TRACE;
if (this == &val) return *this; // protect against assignment from itself
valid_flag = false; // will get set TRUE if really valid
addr_changed = true;
if (val.valid())
{
switch (val.get_syntax())
{
case sNMP_SYNTAX_IPADDR:
{
UdpAddress temp_udp(val.get_printable());
*this = temp_udp; // valid_flag is set by the udp assignment
break;
}
case sNMP_SYNTAX_OCTETS:
if (((UdpAddress &)val).smival.value.string.len == UDPIPLEN)
{
MEMCPY(address_buffer,((UdpAddress &)val).smival.value.string.ptr,
UDPIPLEN);
memset(iv_friendly_name, 0, sizeof(char) * MAX_FRIENDLY_NAME);
valid_flag = true;
ip_version = version_ipv4;
smival.value.string.len = UDPIPLEN;
}
else if (((UdpAddress &)val).smival.value.string.len == UDPIP6LEN)
{
MEMCPY(address_buffer,((UdpAddress &)val).smival.value.string.ptr,
UDPIP6LEN);
memset(iv_friendly_name, 0, sizeof(char) * MAX_FRIENDLY_NAME);
valid_flag = true;
ip_version = version_ipv6;
smival.value.string.len = UDPIP6LEN;
}
break;
// NOTE: as a value add, other types could have "logical"
// mappings, i.e. integer32 and unsigned32
}
}
return *this;
}
// assignment to another UdpAddress object overloaded
UdpAddress& UdpAddress::operator=(const UdpAddress &udpaddr)
{
ADDRESS_TRACE;
if (this == &udpaddr) return *this; // protect against assignment from itself
(IpAddress &)*this = udpaddr; // use ancestor assignment for ipaddr value
if (ip_version == version_ipv4)
smival.value.string.len = UDPIPLEN;
else
smival.value.string.len = UDPIP6LEN;
set_port(udpaddr.get_port()); // copy to port value
if (udpaddr.addr_changed)
{
addr_changed = true;
}
else
{
memcpy(output_buffer, udpaddr.output_buffer,
sizeof(unsigned char) * OUTBUFF);
addr_changed = false;
}
return *this;
}
// assignment to another UdpAddress object overloaded
UdpAddress& UdpAddress::operator=(const IpAddress &ipaddr)
{
ADDRESS_TRACE;
if (this == &ipaddr) return *this; // protect against assignment from itself
(IpAddress &)*this = ipaddr; // use ancestor assignment for ipaddr value
if (ip_version == version_ipv4)
smival.value.string.len = UDPIPLEN;
else
smival.value.string.len = UDPIP6LEN;
set_port(0); // copy to port value
addr_changed = true;
return *this;
}
UdpAddress& UdpAddress::operator=(const char *inaddr)
{
ADDRESS_TRACE;
valid_flag = parse_address(inaddr);
addr_changed = true;
return *this;
}
//-----[ IP Address parse Address ]---------------------------------
bool UdpAddress::parse_address(const char *inaddr)
{
ADDRESS_TRACE;
addr_changed = true;
char buffer[MAX_FRIENDLY_NAME];
unsigned short port = 0;
if (inaddr && (strlen(inaddr)< MAX_FRIENDLY_NAME))
{
strcpy(buffer, inaddr);
trim_white_space(buffer);
}
else
{
valid_flag = false;
return FALSE;
}
// look for port info @ the end of the string
// port can be delineated by a ':' or a '/'
// if neither are present then just treat it
// like a normal IpAddress
int remove_brackets = FALSE;
int found = FALSE;
int pos = (int)strlen(buffer) - 1; // safe to cast as max is MAX_FRIENDLY_NAME
int do_loop = TRUE;
int another_colon_found = FALSE;
if (pos < 0)
{
valid_flag = false;
return FALSE;
}
// search from the end, to find the start of the port
// [ipv4]:port [ipv4]/port ipv4/port ipv4:port [ipv4] ipv4
// [ipv6]:port [ipv6]/port ipv6/port [ipv6] ipv6
while (do_loop)
{
if (buffer[pos] == '/')
{
found = TRUE;
sep='/';
if (buffer[pos -1] == ']')
remove_brackets = TRUE;
break;
}
if (buffer[pos] == ':')
{
if ((pos > 1) && (buffer[pos -1] == ']'))
{
found = TRUE;
remove_brackets = TRUE;
sep=':';
break;
}
for (int i=pos - 1; i >= 0 ; i--)
if (buffer[i] == ':')
{
another_colon_found = TRUE;
}
if (!another_colon_found)
{
sep=':';
found = TRUE;
break;
}
}
if (buffer[pos] == ']')
{
// we found a ] without following a port, so increase pos
++pos;
remove_brackets = TRUE;
break;
}
pos--;
do_loop = ((found == FALSE) && (pos >= 0) &&
(another_colon_found == FALSE));
}
if (remove_brackets)
{
buffer[pos-1] = 0;
buffer[0] = ' ';
}
bool result;
if (found)
{
buffer[pos] = 0;
port = atoi(&buffer[pos+1]);
result = IpAddress::parse_address(buffer);
}
else
{
port = 0;
result = IpAddress::parse_address(buffer);
}
if (ip_version == version_ipv4)
smival.value.string.len = UDPIPLEN;
else
smival.value.string.len = UDPIP6LEN;
set_port(port);
return result;
}
//--------[ set the port number ]---------------------------------------
void UdpAddress::set_port(const unsigned short p)
{
ADDRESS_TRACE;
unsigned short *port_nbo;
if (ip_version == version_ipv4)
port_nbo = (unsigned short*)(address_buffer + IPLEN);
else
port_nbo = (unsigned short*)(address_buffer + IP6LEN);
*port_nbo = htons(p);
addr_changed = true;
}
//---------[ get the port number ]--------------------------------------
unsigned short UdpAddress::get_port() const
{
ADDRESS_TRACE;
if (valid_flag)
{
const unsigned short *port_nbo;
if (ip_version == version_ipv4)
port_nbo = (const unsigned short*)(address_buffer + IPLEN);
else
port_nbo = (const unsigned short*)(address_buffer + IP6LEN);
return ntohs(*port_nbo);
}
return 0;// don't use uninitialized memory
}
//----[ UDP address format output ]------------------------------------
void UdpAddress::format_output() const
{
ADDRESS_TRACE;
IpAddress::format_output(); // allow ancestors to format their buffers
// if valid format else null it
if (valid_flag)
{
if (ip_version == version_ipv4)
sprintf((char *) output_buffer,"%s%c%d",
IpAddress::get_printable(),
'/',//TODO:look for problems in old code and change to "sep"
get_port() );
else
sprintf((char *) output_buffer,"[%s]%c%d",
IpAddress::get_printable(),
'/',//TODO:look for problems in old code and change to "sep"
get_port() );
}
else
*(char*)output_buffer = 0;
UdpAddress *nc_this = PP_CONST_CAST(UdpAddress*, this);
nc_this->addr_changed = false;
}
/**
* Map a IPv4 UDP address to a IPv6 UDP address.
*
* @return - TRUE if no error occured.
*/
int UdpAddress::map_to_ipv6()
{
ADDRESS_TRACE;
/* Save the port, as IpAddress::map_to_ipv6 destroys it */
unsigned short old_port = get_port();
/* Map IpAddress */
if (!IpAddress::map_to_ipv6())
return FALSE;
set_port(old_port);
smival.value.string.len = UDPIP6LEN;
ip_version = version_ipv6;
addr_changed = true;
return TRUE;
}
#ifdef _IPX_ADDRESS
//=======================================================================
//=========== IPX Address Implementation ================================
//=======================================================================
//----------[ constructor no args ]--------------------------------------
IpxAddress::IpxAddress() : Address()
{
// always initialize SMI info
smival.syntax = sNMP_SYNTAX_OCTETS;
smival.value.string.len = IPXLEN;
smival.value.string.ptr = address_buffer;
separator = 0;
valid_flag = false;
addr_changed = true;
}
//----------[ constructor with a string arg ]---------------------------
IpxAddress::IpxAddress(const char *inaddr):Address()
{
// always initialize SMI info
smival.syntax = sNMP_SYNTAX_OCTETS;
smival.value.string.len = IPXLEN;
smival.value.string.ptr = address_buffer;
separator = 0;
valid_flag = parse_address(inaddr);
addr_changed = true;
}
//-----[ IPX Address copy constructor ]----------------------------------
IpxAddress::IpxAddress(const IpxAddress &ipxaddr)
{
// always initialize SMI info
smival.syntax = sNMP_SYNTAX_OCTETS;
smival.value.string.len = IPXLEN;
smival.value.string.ptr = address_buffer;
separator = 0;
valid_flag = ipxaddr.valid_flag;
if (valid_flag)
MEMCPY(address_buffer, ipxaddr.address_buffer, IPXLEN);
addr_changed = true;
}
//----[ construct an IpxAddress from a GenAddress ]---------------------------
IpxAddress::IpxAddress(const GenAddress &genaddr)
{
// always initialize SMI info
smival.syntax = sNMP_SYNTAX_OCTETS;
smival.value.string.len = IPXLEN;
smival.value.string.ptr = address_buffer;
valid_flag = genaddr.valid();
// allow use of an ipx or ipxsock address
if (valid_flag)
{
if ((genaddr.get_type() == type_ipx) )
{
*this = genaddr.cast_ipxaddress(); // copy in the Ipx address data
}
else if ((genaddr.get_type() == type_ipxsock) )
{
*this = genaddr.cast_ipxsockaddress(); // copy in the Ipx address data
}
else
valid_flag = false;
}
}
//-----[ IPX Address general = operator ]-------------------------------
SnmpSyntax& IpxAddress::operator=(const SnmpSyntax &val)
{
// protect against assignment from itself
if (this == &val) return *this;
valid_flag = false; // will set to TRUE if really valid
if (val.valid()){
switch (val.get_syntax()){
case sNMP_SYNTAX_OCTETS:
if (((IpxAddress &)val).smival.value.string.len == IPXLEN){
MEMCPY(address_buffer, ((IpxAddress &)val).smival.value.string.ptr, IPXLEN);
valid_flag = true;
}
break;
}
}
addr_changed = true;
return *this;
}
//--------[ assignment to another IpAddress object overloaded ]----------
IpxAddress& IpxAddress::operator=(const IpxAddress &ipxaddress)
{
if (this == &ipxaddress) return *this;// protect against assignment from self
valid_flag = ipxaddress.valid_flag;
if (valid_flag)
MEMCPY(address_buffer, ipxaddress.address_buffer, IPXLEN);
addr_changed = true;
return *this;
}
//-----[ IPX Address parse Address ]-----------------------------------
// Convert a string to a ten byte ipx address
// On success sets validity TRUE or FALSE
//
// IPX address format
//
// NETWORK ID| MAC ADDRESS
// 01 02 03 04|05 06 07 08 09 10
// XX XX XX XX|XX XX XX XX XX XX
//
// Valid input format
//
// XXXXXXXX.XXXXXXXXXXXX
// Total length must be 21
// Must have a separator in it
// First string length must be 8
// Second string length must be 12
// Each char must take on value 0-F
//
//
// Input formats recognized
//
// XXXXXXXX.XXXXXXXXXXXX
// XXXXXXXX:XXXXXXXXXXXX
// XXXXXXXX-XXXXXXXXXXXX
// XXXXXXXX.XXXXXX-XXXXXX
// XXXXXXXX:XXXXXX-XXXXXX
// XXXXXXXX-XXXXXX-XXXXXX
bool IpxAddress::parse_address(const char *inaddr)
{
char unsigned *str1,*str2;
char temp[30]; // don't destroy original
char unsigned *tmp;
size_t z, tmplen;
// save the orginal source
if (!inaddr || (strlen(inaddr) >(sizeof(temp)-1))) return FALSE;
strcpy(temp, inaddr);
trim_white_space(temp);
tmplen = strlen(temp);
// bad total length check
// 123456789012345678901
// XXXXXXXX-XXXXXXXXXXXX 21 len
//
// XXXXXXXX-XXXXXX-XXXXXX 22 len
// need at least 21 chars and no more than 22
if ((tmplen <21) || (tmplen >22))
return FALSE;
// convert the string to all lower case
// this allows hex values to be in upper or lower
for (z=0;z< tmplen;z++)
temp[z] = tolower(temp[z]);
// check for separated nodeid
// if found remove it
if (temp[15] == '-')
{
for(z=16;z= '0') && (*tmp <= '9'))|| // good 0-9
((*tmp >= 'a') && (*tmp <= 'f'))) // or a-f
tmp++;
else
return FALSE;
// check out the MAC address
tmp = str2;
while(*tmp != 0)
if (((*tmp >= '0') && (*tmp <= '9'))|| // good 0-9
((*tmp >= 'a') && (*tmp <= 'f'))) // or a-f
tmp++;
else
return FALSE;
// convert to target string
tmp = str1;
while (*tmp != 0)
{
if ((*tmp >= '0') && (*tmp <= '9'))
*tmp = *tmp - (char unsigned )'0';
else
*tmp = *tmp - (char unsigned) 'a' + (char unsigned) 10;
tmp++;
}
// network id portion
address_buffer[0] = (str1[0]*16) + str1[1];
address_buffer[1] = (str1[2]*16) + str1[3];
address_buffer[2] = (str1[4]*16) + str1[5];
address_buffer[3] = (str1[6]*16) + str1[7];
tmp = str2;
while (*tmp != 0)
{
if ((*tmp >= '0') && (*tmp <= '9'))
*tmp = *tmp - (char unsigned) '0';
else
*tmp = *tmp - (char unsigned) 'a'+ (char unsigned) 10;
tmp++;
}
address_buffer[4] = (str2[0]*16) + str2[1];
address_buffer[5] = (str2[2]*16) + str2[3];
address_buffer[6] = (str2[4]*16) + str2[5];
address_buffer[7] = (str2[6]*16) + str2[7];
address_buffer[8] = (str2[8]*16) + str2[9];
address_buffer[9] = (str2[10]*16) + str2[11];
return TRUE;
}
//----[ IPX address format output ]-------------------------------------
void IpxAddress::format_output() const
{
if (valid_flag)
sprintf((char *) output_buffer,
"%02x%02x%02x%02x%c%02x%02x%02x%02x%02x%02x",
address_buffer[0],address_buffer[1],
address_buffer[2],address_buffer[3],'-',
address_buffer[4],address_buffer[5],
address_buffer[6],address_buffer[7],
address_buffer[8],address_buffer[9]);
else
*(char*)output_buffer = 0;
IpxAddress *nc_this = PP_CONST_CAST(IpxAddress*, this);
nc_this->addr_changed = false;
}
#ifdef _MAC_ADDRESS
// get the host id portion of an ipx address
int IpxAddress::get_hostid(MacAddress& mac) const
{
if (valid_flag)
{
char buffer[18];
sprintf(buffer,"%02x:%02x:%02x:%02x:%02x:%02x", address_buffer[4],
address_buffer[5], address_buffer[6], address_buffer[7],
address_buffer[8], address_buffer[9]);
MacAddress temp(buffer);
mac = temp;
if (mac.valid())
return TRUE;
}
return FALSE;
}
#endif // function that needs _MAC_ADDRESS
//========================================================================
//======== IpxSockAddress Implementation =================================
//========================================================================
//----------[ constructor no args ]--------------------------------------
IpxSockAddress::IpxSockAddress() : IpxAddress()
{
// always initialize SMI info
smival.syntax = sNMP_SYNTAX_OCTETS;
smival.value.string.len = IPXSOCKLEN;
smival.value.string.ptr = address_buffer;
set_socket(0);
addr_changed = true;
}
//-----------[ construct an IpxSockAddress with another IpxSockAddress]----
IpxSockAddress::IpxSockAddress(const IpxSockAddress &ipxaddr)
: IpxAddress(ipxaddr)
{
// always initialize SMI info
smival.syntax = sNMP_SYNTAX_OCTETS;
smival.value.string.len = IPXSOCKLEN;
smival.value.string.ptr = address_buffer;
// copy the socket value
set_socket(ipxaddr.get_socket());
addr_changed = true;
}
//---------------[ construct a IpxSockAddress from a string ]--------------
IpxSockAddress::IpxSockAddress(const char *inaddr):IpxAddress()
{
// always initialize SMI info
smival.syntax = sNMP_SYNTAX_OCTETS;
smival.value.string.len = IPXSOCKLEN;
smival.value.string.ptr = address_buffer;
valid_flag = parse_address(inaddr);
addr_changed = true;
}
//---------------[ construct a IpxSockAddress from a GenAddress ]----------
IpxSockAddress::IpxSockAddress(const GenAddress &genaddr):IpxAddress()
{
// always initialize SMI info
smival.syntax = sNMP_SYNTAX_OCTETS;
smival.value.string.len = IPXSOCKLEN;
smival.value.string.ptr = address_buffer;
valid_flag = false;
unsigned short socketid = 0;
// allow use of an ipx or ipxsock address
if ((genaddr.get_type() == type_ipx) )
{
valid_flag = genaddr.valid();
if (valid_flag)
{
// copy in the Ipx address data
IpxAddress temp_ipx((const char *) genaddr);
*this = temp_ipx;
}
}
else if ((genaddr.get_type() == type_ipxsock) )
{
valid_flag = genaddr.valid();
if (valid_flag)
{
// copy in the Ipx address data
IpxSockAddress temp_ipxsock((const char *) genaddr);
*this = temp_ipxsock;
// socketid info since are making an IpxSockAddress
socketid = temp_ipxsock.get_socket();
}
}
set_socket(socketid);
addr_changed = true;
}
//------------[ construct an IpxSockAddress from a IpxAddress ]--------------
IpxSockAddress::IpxSockAddress(const IpxAddress &ipxaddr):IpxAddress(ipxaddr)
{
// always initialize SMI info
smival.syntax = sNMP_SYNTAX_OCTETS;
smival.value.string.len = IPXSOCKLEN;
smival.value.string.ptr = address_buffer;
set_socket(0);
addr_changed = true;
}
// copy an instance of this Value
SnmpSyntax& IpxSockAddress::operator=(const SnmpSyntax &val)
{
if (this == &val) return *this; // protect against assignment from itself
valid_flag = false; // will set to TRUE if really valid
if (val.valid()){
switch (val.get_syntax()){
case sNMP_SYNTAX_OCTETS:
{
// See if it is of the Ipx address family
// This handles IpxSockAddress == IpxAddress
IpxSockAddress temp_ipx(val.get_printable());
if (temp_ipx.valid()){
*this = temp_ipx; // ipxsock = ipxsock
}
// See if it is an OctetStr of appropriate length
else if (((IpxSockAddress &)val).smival.value.string.len == IPXSOCKLEN){
MEMCPY(address_buffer,
((IpxSockAddress &)val).smival.value.string.ptr,
IPXSOCKLEN);
valid_flag = true;
}
}
break;
}
}
addr_changed = true;
return *this;
}
// assignment to another IpAddress object overloaded
IpxSockAddress& IpxSockAddress::operator=(const IpxSockAddress &ipxaddr)
{
if (this == &ipxaddr) return *this; // protect against assignment from itself
(IpxAddress&)*this = ipxaddr; // use ancestor assignment for ipx addr
set_socket(ipxaddr.get_socket()); // copy socket value
addr_changed = true;
return *this;
}
//----[ IPX address format output ]-------------------------------------
void IpxSockAddress::format_output() const
{
IpxAddress::format_output(); // allow ancestors to format their buffers
if (valid_flag)
sprintf((char *) output_buffer,"%s/%d",
IpxAddress::get_printable(), get_socket());
else
*(char*)output_buffer = 0;
IpxSockAddress *nc_this = PP_CONST_CAST(IpxSockAddress*, this);
nc_this->addr_changed = false;
}
//-----[ IP Address parse Address ]---------------------------------
bool IpxSockAddress::parse_address(const char *inaddr)
{
char buffer[MAX_FRIENDLY_NAME];
unsigned short socketid=0;
if (inaddr && (strlen(inaddr)< MAX_FRIENDLY_NAME))
strcpy(buffer, inaddr);
else
{
valid_flag = false;
return FALSE;
}
// look for port info @ the end of the string
// port can be delineated by a ':' or a '/'
// if neither are present then just treat it
// like a normal IpAddress
char *tmp;
tmp = strstr(buffer,"/");
if (tmp != NULL)
{
*tmp=0; // new null terminator
tmp++;
socketid = atoi(tmp);
}
set_socket(socketid);
return IpxAddress::parse_address(buffer);
}
//-------------[ set the socket number ]----------------------------------
void IpxSockAddress::set_socket(const unsigned short s)
{
unsigned short sock_nbo = htons(s);
MEMCPY(&address_buffer[IPXLEN], &sock_nbo, 2);
addr_changed = true;
}
//--------------[ get the socket number ]---------------------------------
unsigned short IpxSockAddress::get_socket() const
{
if (valid_flag)
{
unsigned short sock_nbo;
MEMCPY(&sock_nbo, &address_buffer[IPXLEN], 2);
return ntohs(sock_nbo);
}
return 0; // don't use uninitialized memory
}
#endif // _IPX_ADDRESS
#ifdef _MAC_ADDRESS
//========================================================================
//======== MACAddress Implementation =====================================
//========================================================================
//--------[ constructor, no arguments ]-----------------------------------
MacAddress::MacAddress() : Address()
{
// always initialize SMI info
smival.syntax = sNMP_SYNTAX_OCTETS;
smival.value.string.len = MACLEN;
smival.value.string.ptr = address_buffer;
valid_flag = false;
addr_changed = true;
}
//-----[ MAC Address copy constructor ]---------------------------------
MacAddress::MacAddress(const MacAddress &macaddr)
{
// always initialize SMI info
smival.syntax = sNMP_SYNTAX_OCTETS;
smival.value.string.len = MACLEN;
smival.value.string.ptr = address_buffer;
valid_flag = macaddr.valid_flag;
if (valid_flag)
MEMCPY(address_buffer, macaddr.address_buffer, MACLEN);
addr_changed = true;
}
//---------[ constructor with a string argument ]-------------------------
MacAddress::MacAddress(const char *inaddr):Address()
{
// always initialize SMI info
smival.syntax = sNMP_SYNTAX_OCTETS;
smival.value.string.len = MACLEN;
smival.value.string.ptr = address_buffer;
valid_flag = parse_address(inaddr);
addr_changed = true;
}
//-----[ construct a MacAddress from a GenAddress ]------------------------
MacAddress::MacAddress(const GenAddress &genaddr)
{
// always initialize SMI info
smival.syntax = sNMP_SYNTAX_OCTETS;
smival.value.string.len = MACLEN;
smival.value.string.ptr = address_buffer;
valid_flag = false;
// allow use of mac address
if (genaddr.get_type() == type_mac)
{
valid_flag = genaddr.valid();
if (valid_flag)
{
// copy in the Mac address data
*this = genaddr.cast_macaddress();
}
}
addr_changed = true;
}
//------[ assignment to another ipaddress object overloaded ]--------------
MacAddress& MacAddress::operator=(const MacAddress &macaddress)
{
if (this == &macaddress) return *this;// protect against assignment from self
valid_flag = macaddress.valid_flag;
if (valid_flag)
MEMCPY(address_buffer, macaddress.address_buffer, MACLEN);
addr_changed = true;
return *this;
}
//-----[ MAC Address general = operator ]---------------------------------
SnmpSyntax& MacAddress::operator=(const SnmpSyntax &val)
{
if (this == &val) return *this; // protect against assignment from itself
valid_flag = false; // will set to TRUE if really valid
if (val.valid())
{
switch (val.get_syntax())
{
case sNMP_SYNTAX_OCTETS:
if (((MacAddress &)val).smival.value.string.len == MACLEN)
{
MEMCPY(address_buffer, ((MacAddress &)val).smival.value.string.ptr,
MACLEN);
valid_flag = true;
}
break;
}
}
addr_changed = true;
return *this;
}
//-----[ MAC Address parse Address ]--------------------------------------
// Convert a string to a six byte MAC address
// On success sets validity TRUE or FALSE
//
// MAC address format
//
// MAC ADDRESS
// 01 02 03 04 05 06
// XX:XX:XX:XX:XX:XX
// Valid input format
//
// XXXXXXXXXXXX
// Total length must be 17
// Each char must take on value 0-F
//
//
bool MacAddress::parse_address(const char *inaddr)
{
char temp[30]; // don't destroy original
char unsigned *tmp;
size_t z;
// save the orginal source
if (!inaddr || (strlen(inaddr) > 30)) return FALSE;
strcpy(temp, inaddr);
trim_white_space(temp);
// bad total length check
if (strlen(temp) != 17)
return FALSE;
// check for colons
if ((temp[2] != ':')||(temp[5] != ':')||(temp[8]!=':')||(temp[11]!=':')||(temp[14] !=':'))
return FALSE;
// strip off the colons
tmp = (unsigned char *) temp;
int i = 0;
while (*tmp != 0)
{
if (*tmp != ':')
{
temp[i] = *tmp;
i++;
}
tmp++;
}
temp[i] = 0;
// convert to lower
for(z=0;z= '0') && (*tmp <= '9'))|| // good 0-9
((*tmp >= 'a') && (*tmp <= 'f'))) // or a-f
tmp++;
else
return FALSE;
// convert to target string
tmp = (unsigned char *) temp;
while (*tmp != 0)
{
if ((*tmp >= '0') && (*tmp <= '9'))
*tmp = *tmp - (char unsigned )'0';
else
*tmp = *tmp - (char unsigned) 'a' + (char unsigned) 10;
tmp++;
}
address_buffer[0] = (temp[0]*16) + temp[1];
address_buffer[1] = (temp[2]*16) + temp[3];
address_buffer[2] = (temp[4]*16) + temp[5];
address_buffer[3] = (temp[6]*16) + temp[7];
address_buffer[4] = (temp[8]*16) + temp[9];
address_buffer[5] = (temp[10]*16) + temp[11];
return TRUE;
}
//----[ MAC address format output ]---------------------------------
void MacAddress::format_output() const
{
if (valid_flag)
sprintf((char*)output_buffer,"%02x:%02x:%02x:%02x:%02x:%02x",
address_buffer[0], address_buffer[1], address_buffer[2],
address_buffer[3], address_buffer[4], address_buffer[5]);
else
*(char*)output_buffer = 0;
MacAddress *nc_this = PP_CONST_CAST(MacAddress*, this);
nc_this->addr_changed = false;
}
unsigned int MacAddress::hashFunction() const
{
return ((((address_buffer[0] << 8) + address_buffer[1]) * HASH0)
+ (((address_buffer[2] << 8) + address_buffer[3]) * HASH1)
+ (((address_buffer[4] << 8) + address_buffer[5]) * HASH2));
}
#endif // _MAC_ADDRESS
//========================================================================
//========== Generic Address Implementation ==============================
//========================================================================
//-----------[ constructor, no arguments ]--------------------------------
GenAddress::GenAddress() : Address()
{
ADDRESS_TRACE;
// initialize SMI info
// BOK: this is generally not used for GenAddress,
// but we need this to be a replica of the real address'
// smival info so that operator=SnmpSyntax will work.
smival.syntax = sNMP_SYNTAX_NULL; // to be overridden
smival.value.string.len = 0; // to be overridden
smival.value.string.ptr = address_buffer; // constant
valid_flag = false;
address = 0;
output_buffer[0] = 0;
}
//-----------[ constructor with a string argument ]----------------------
GenAddress::GenAddress(const char *addr,
const Address::addr_type use_type)
{
ADDRESS_TRACE;
// initialize SMI info
// BOK: smival is generally not used for GenAddress, but
// we need this to be a replica of the real address'
// smival info so that ::operator=SnmpSyntax
// will work.
smival.syntax = sNMP_SYNTAX_NULL; // to be overridden
smival.value.string.len = 0; // to be overridden
smival.value.string.ptr = address_buffer; // constant
address = 0;
parse_address(addr, use_type);
// Copy real address smival info into GenAddr smival
// BOK: smival is generally not used for GenAddress, but
// we need this to be a replica of the real address'
// smival info so that ::operator=SnmpSyntax
// will work.
if (valid_flag ) {
smival.syntax = ((GenAddress *)address)->smival.syntax;
smival.value.string.len =
((GenAddress *)address)->smival.value.string.len;
memcpy(smival.value.string.ptr,
((GenAddress *)address)->smival.value.string.ptr,
(size_t)smival.value.string.len);
}
output_buffer[0] = 0;
}
//-----------[ constructor with an Address argument ]--------------------
GenAddress::GenAddress(const Address &addr)
{
ADDRESS_TRACE;
output_buffer[0] = 0;
// initialize SMI info
// BOK: this is generally not used for GenAddress,
// but we need this to be a replica of the real address'
// smival info so that operator=SnmpSyntax will work.
smival.syntax = sNMP_SYNTAX_NULL; // to be overridden
smival.value.string.len = 0; // to be overridden
smival.value.string.ptr = address_buffer; // constant
valid_flag = false;
// make sure that the object is valid
if (!addr.valid()) {
address = 0;
return;
}
// addr can be a GenAddress object and calling clone() on that is bad...
if (addr.is_gen_address())
address = (Address *)(((const GenAddress&)addr).address->clone());
else
address = (Address*)addr.clone();
if (address)
valid_flag = address->valid();
// Copy real address smival info into GenAddr smival
// BOK: smival is generally not used for GenAddress, but
// we need this to be a replica of the real address'
// smival info so that ::operator=SnmpSyntax
// will work.
if (valid_flag )
{
smival.syntax = address->get_syntax();
smival.value.string.len = ((GenAddress *)address)->smival.value.string.len;
memcpy(smival.value.string.ptr,
((GenAddress *)address)->smival.value.string.ptr,
(size_t)smival.value.string.len);
}
}
//-----------------[ constructor with another GenAddress object ]-------------
GenAddress::GenAddress(const GenAddress &addr)
{
ADDRESS_TRACE;
output_buffer[0] = 0;
// initialize SMI info
// BOK: this is generally not used for GenAddress,
// but we need this to be a replica of the real address'
// smival info so that operator=SnmpSyntax will work.
smival.syntax = sNMP_SYNTAX_OCTETS;
smival.value.string.len = 0;
smival.value.string.ptr = address_buffer;
valid_flag = false;
// make sure that the object is valid
if (!addr.valid_flag)
{
address = 0;
return;
}
address = (Address *)addr.address->clone();
if (address)
valid_flag = address->valid();
// Copy real address smival info into GenAddr smival
// BOK: smival is generally not used for GenAddress, but
// we need this to be a replica of the real address'
// smival info so that ::operator=SnmpSyntax
// will work.
if (valid_flag )
{
smival.syntax = ((GenAddress *)address)->smival.syntax;
smival.value.string.len = ((GenAddress *)address)->smival.value.string.len;
memcpy(smival.value.string.ptr,
((GenAddress *)address)->smival.value.string.ptr,
(size_t)smival.value.string.len);
}
}
//------[ assignment GenAddress = GenAddress ]-----------------------------
GenAddress& GenAddress::operator=(const GenAddress &addr)
{
ADDRESS_TRACE;
if (this == &addr) return *this; // protect against assignment from itself
valid_flag = false;
if (address)
{
delete address;
address = 0;
}
if (addr.address)
address = (Address *)(addr.address->clone());
if (address)
valid_flag = address->valid();
// Copy real address smival info into GenAddr smival
// BOK: smival is generally not used for GenAddress, but
// we need this to be a replica of the real address'
// smival info so that ::operator=SnmpSyntax
// will work.
if (valid_flag )
{
smival.syntax = ((GenAddress *)address)->smival.syntax;
smival.value.string.len = ((GenAddress *)address)->smival.value.string.len;
memcpy(smival.value.string.ptr,
((GenAddress *)address)->smival.value.string.ptr,
(size_t)smival.value.string.len);
}
return *this;
}
//------[ assignment GenAddress = Address ]--------------------------------
GenAddress& GenAddress::operator=(const Address &addr)
{
ADDRESS_TRACE;
if (this == &addr) return *this; // protect against assignment from itself
valid_flag = false;
if (address)
{
delete address;
address = 0;
}
// addr can be a GenAddress object and calling clone() on that is bad...
if (addr.is_gen_address())
address = (Address *)(((const GenAddress&)addr).address->clone());
else
address = (Address*)addr.clone();
if (address)
valid_flag = address->valid();
// Copy real address smival info into GenAddr smival
// BOK: smival is generally not used for GenAddress, but
// we need this to be a replica of the real address'
// smival info so that ::operator=SnmpSyntax
// will work.
if (valid_flag )
{
smival.syntax = ((GenAddress *)address)->smival.syntax;
smival.value.string.len = ((GenAddress *)address)->smival.value.string.len;
memcpy(smival.value.string.ptr,
((GenAddress *)address)->smival.value.string.ptr,
(size_t)smival.value.string.len);
}
return *this;
}
//------[ assignment GenAddress = any SnmpSyntax ]-----------------------
SnmpSyntax& GenAddress::operator=(const SnmpSyntax &val)
{
ADDRESS_TRACE;
if (this == &val) return *this; // protect against assignment from itself
valid_flag = false; // will get set to TRUE if really valid
if (address)
{
delete address;
address = 0;
}
if (val.valid())
{
switch (val.get_syntax() )
{
//-----[ ip address case ]-------------
// BOK: this case shouldn't be needed since there is an explicit
// GenAddr=Address assignment that will override this assignment.
// Left here for posterity.
case sNMP_SYNTAX_IPADDR:
{
address = new IpAddress(val.get_printable());
if (address)
valid_flag = address->valid();
}
break;
//-----[ udp address case ]------------
//-----[ ipx address case ]------------
//-----[ mac address case ]------------
// BOK: This is here only to support GenAddr = primitive OctetStr.
// The explicit GenAddr=Address assignment will handle the cases
// GenAddr = [UdpAdd|IpxAddr|IpxSock|MacAddr].
// Note, using the heuristic of octet str len to determine type of
// address to create is not accurate when address lengths are equal
// (e.g., UDPIPLEN == MACLEN). It gets worse if we add AppleTalk or
// OSI which use variable length addresses!
case sNMP_SYNTAX_OCTETS:
{
unsigned long val_len;
val_len = ((GenAddress &)val).smival.value.string.len;
if ((val_len == UDPIPLEN) || (val_len == UDPIP6LEN))
address = new UdpAddress;
else if ((val_len == IPLEN) || (val_len == IPLEN))
address = new IpAddress;
#ifdef _IPX_ADDRESS
else if (val_len == IPXLEN)
address = new IpxAddress;
else if (val_len == IPXSOCKLEN)
address = new IpxSockAddress;
#endif
#ifdef _MAC_ADDRESS
else if (val_len == MACLEN)
address = new MacAddress;
#endif
if (address)
{
*address = val;
valid_flag = address->valid();
}
}
break;
} // end switch
}
// Copy real address smival info into GenAddr smival
// BOK: smival is generally not used for GenAddress, but
// we need this to be a replica of the real address'
// smival info so that ::operator=SnmpSyntax
// will work.
if (valid_flag )
{
smival.syntax = ((GenAddress *)address)->smival.syntax;
smival.value.string.len = ((GenAddress *)address)->smival.value.string.len;
memcpy(smival.value.string.ptr,
((GenAddress *)address)->smival.value.string.ptr,
(size_t)smival.value.string.len);
}
return *this;
}
// redefined parse address for macs
bool GenAddress::parse_address(const char *addr,
const Address::addr_type use_type)
{
ADDRESS_TRACE;
if (address) delete address;
// try to create each of the addresses until the correct one
// is found
//BOK: Need to try IPX Sock and IPX before UDP since on Win32,
// gethostbyname() seems to think the ipx network number
// portion is a valid ipaddress string... stupid WinSOCK!
#ifdef _IPX_ADDRESS
if ((use_type == Address::type_invalid) ||
(use_type == Address::type_ipxsock))
{
// ipxsock address
address = new IpxSockAddress(addr);
valid_flag = address->valid();
if (valid_flag && ((IpxSockAddress*)address)->get_socket())
return TRUE; // ok its an ipxsock address
delete address; // otherwise delete it and try another
}
if ((use_type == Address::type_invalid) ||
(use_type == Address::type_ipx))
{
// ipx address
address = new IpxAddress(addr);
valid_flag = address->valid();
if (valid_flag)
return TRUE; // ok its an ipx address
delete address; // otherwise delete it and try another
}
#endif // _IPX_ADDRESS
//TM: Must try the derived classes first...one pitfall of the
//following solution is if someone creates with a port/socket of 0 the
//class will get demoted to ip/ipx. The only proper way to do this is
//to parse the strings ourselves.
if ((use_type == Address::type_invalid) ||
(use_type == Address::type_udp))
{
// udp address
address = new UdpAddress(addr);
valid_flag = address->valid();
if (valid_flag && ((UdpAddress*)address)->get_port())
return TRUE; // ok its a udp address
delete address; // otherwise delete it and try another
}
if ((use_type == Address::type_invalid) ||
(use_type == Address::type_ip))
{
// ip address
address = new IpAddress(addr);
valid_flag = address->valid();
if (valid_flag)
return TRUE; // ok its an ip address
delete address; // otherwise delete it and try another
}
#ifdef _MAC_ADDRESS
if ((use_type == Address::type_invalid) ||
(use_type == Address::type_mac))
{
// mac address
address = new MacAddress(addr);
valid_flag = address->valid();
if (valid_flag)
return TRUE; // ok, its a mac
delete address; // otherwise its invalid
}
#endif // _MAC_ADDRESS
address = 0;
return FALSE;
}
#ifdef SNMP_PP_NAMESPACE
}; // end of namespace Snmp_pp
#endif