/*_############################################################################ _## _## address.cpp _## _## SNMP++v3.2.25 _## ----------------------------------------------- _## Copyright (c) 2001-2010 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, Thu Sep 2 00:07:47 CEST 2010 _## _##########################################################################*/ /*=================================================================== 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. =====================================================================*/ char address_cpp_version[]="@(#) SNMP++ $Id: address.cpp 1711 2010-02-10 21:25:47Z katz $"; #include #include #include #if defined(__APPLE__) #include #include #endif #include "snmp_pp/address.h" #include "snmp_pp/v3.h" #include "snmp_pp/IPv6Utility.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), have_ipv6_scope(ipaddr.have_ipv6_scope) { 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_NO_SCOPE) || (((IpAddress &)val).smival.value.string.len == UDPIP6LEN_NO_SCOPE)) { MEMCPY(address_buffer, ((IpAddress &)val).smival.value.string.ptr, IP6LEN_NO_SCOPE); valid_flag = true; ip_version = version_ipv6; smival.value.string.len = IP6LEN_NO_SCOPE; have_ipv6_scope = false; } else if ((((IpAddress &)val).smival.value.string.len == IP6LEN_WITH_SCOPE) || (((IpAddress &)val).smival.value.string.len == UDPIP6LEN_WITH_SCOPE)) { MEMCPY(address_buffer, ((IpAddress &)val).smival.value.string.ptr, IP6LEN_WITH_SCOPE); valid_flag = true; ip_version = version_ipv6; smival.value.string.len = IP6LEN_WITH_SCOPE; have_ipv6_scope = true; } 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 { if (ipaddr.have_ipv6_scope) { MEMCPY(address_buffer, ipaddr.address_buffer, IP6LEN_WITH_SCOPE); ip_version = version_ipv6; smival.value.string.len = IP6LEN_WITH_SCOPE; have_ipv6_scope = true; } else { MEMCPY(address_buffer, ipaddr.address_buffer, IP6LEN_NO_SCOPE); ip_version = version_ipv6; smival.value.string.len = IP6LEN_NO_SCOPE; have_ipv6_scope = false; } } 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) >= sizeof(temp))) 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 + 11 // 123456789012345678901234567890123456789 // 1BCD:2BCD:3BCD:4BCD:5BCD:6BCD:7BCD:8BCD%4123456789 if (!inaddr || (strlen(inaddr) >= sizeof(temp))) return FALSE; strcpy(temp, inaddr); trim_white_space(temp); // first check for ipv6 scope unsigned int scope = 0; bool have_scope = false; { int scope_pos; for (int i=strlen(temp)-1; i >=0 ; i--) { if (temp[i] == '%') { scope_pos = i; have_scope = true; break; } if (!isdigit(temp[i])) break; } if (have_scope) { temp[scope_pos] = 0; scope = atol(temp + scope_pos + 1); } } 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; 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, 60)) 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[61]; // 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 if (have_ipv6_scope) { // remove scope from ds for (int i=strlen(ds); i >=0; i--) if (ds[i] == '%') { ds[i] = 0; break; } } 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 } unsigned int IpAddress::get_scope() const { ADDRESS_TRACE; if (valid_flag) { const unsigned int *scope; if ((ip_version == version_ipv6) && (have_ipv6_scope)) scope = (const unsigned int*)(address_buffer + IP6LEN_NO_SCOPE); else return (unsigned int)-1; return ntohl(*scope); } return (unsigned int)-1; // don't use uninitialized memory } bool IpAddress::set_scope(const unsigned int scope) { ADDRESS_TRACE; if (!valid_flag || (ip_version != version_ipv6)) return false; unsigned int *scope_ptr = (unsigned int*)(address_buffer + IP6LEN_NO_SCOPE); *scope_ptr = htonl(scope); addr_changed = true; smival.value.string.len = IP6LEN_WITH_SCOPE; have_ipv6_scope = true; return true; } //----[ 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 if (have_ipv6_scope) sprintf((char *) output_buffer, "%02x%02x:%02x%02x:%02x%02x:%02x%02x:" "%02x%02x:%02x%02x:%02x%02x:%02x%02x%%%d", 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], get_scope()); 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_NO_SCOPE; 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_NO_SCOPE; 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_NO_SCOPE; ip_version = version_ipv6; have_ipv6_scope = false; 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; have_ipv6_scope = false; 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 if (have_ipv6_scope) smival.value.string.len = UDPIP6LEN_WITH_SCOPE; else smival.value.string.len = UDPIP6LEN_NO_SCOPE; 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_NO_SCOPE) { MEMCPY(address_buffer,((UdpAddress &)val).smival.value.string.ptr, UDPIP6LEN_NO_SCOPE); memset(iv_friendly_name, 0, sizeof(char) * MAX_FRIENDLY_NAME); valid_flag = true; ip_version = version_ipv6; smival.value.string.len = UDPIP6LEN_NO_SCOPE; have_ipv6_scope = false; } else if (((UdpAddress &)val).smival.value.string.len == UDPIP6LEN_WITH_SCOPE) { MEMCPY(address_buffer,((UdpAddress &)val).smival.value.string.ptr, UDPIP6LEN_WITH_SCOPE); memset(iv_friendly_name, 0, sizeof(char) * MAX_FRIENDLY_NAME); valid_flag = true; ip_version = version_ipv6; smival.value.string.len = UDPIP6LEN_WITH_SCOPE; have_ipv6_scope = true; } 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 if (have_ipv6_scope) smival.value.string.len = UDPIP6LEN_WITH_SCOPE; else smival.value.string.len = UDPIP6LEN_NO_SCOPE; 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 if (have_ipv6_scope) smival.value.string.len = UDPIP6LEN_WITH_SCOPE; else smival.value.string.len = UDPIP6LEN_NO_SCOPE; 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]; 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; bool scope_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 (buffer[i] == '%') scope_found = true; } if (scope_found) // must be ipv6, so reset colon_found another_colon_found = false; 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; unsigned short port; 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 if (have_ipv6_scope) smival.value.string.len = UDPIP6LEN_WITH_SCOPE; else smival.value.string.len = UDPIP6LEN_NO_SCOPE; 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 if (have_ipv6_scope) port_nbo = (unsigned short*)(address_buffer + IP6LEN_WITH_SCOPE); else port_nbo = (unsigned short*)(address_buffer + IP6LEN_NO_SCOPE); *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 if (have_ipv6_scope) port_nbo = (const unsigned short*)(address_buffer + IP6LEN_WITH_SCOPE); else port_nbo = (const unsigned short*)(address_buffer + IP6LEN_NO_SCOPE); 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; } bool UdpAddress::set_scope(const unsigned int scope) { ADDRESS_TRACE; /* Save the port, as IpAddress::set_scope destroys it */ unsigned short old_port = get_port(); if (!IpAddress::set_scope(scope)) return false; smival.value.string.len = UDPIP6LEN_WITH_SCOPE; set_port(old_port); return true; } /** * 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_NO_SCOPE; 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))) 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) >= sizeof(temp))) 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) || IS_UDPIP6LEN(val_len)) address = new UdpAddress; else if ((val_len == IPLEN) || IS_IP6LEN(val_len)) 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