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/*
* PostgreSQL type definitions for MAC addresses.
*
* $Header: /cvsroot/pgsql/src/backend/utils/adt/mac.c,v 1.17 2000/08/03 23:07:46 tgl Exp $
*/
#include "postgres.h"
#include "utils/builtins.h"
#include "utils/inet.h"
/*
* XXX this table of manufacturers is long out of date, and should never
* have been wired into the code in the first place.
*/
typedef struct manufacturer
{
unsigned char a;
unsigned char b;
unsigned char c;
char *name;
} manufacturer;
static manufacturer manufacturers[] = {
{0x00, 0x00, 0x0C, "Cisco"},
{0x00, 0x00, 0x0E, "Fujitsu"},
{0x00, 0x00, 0x0F, "NeXT"},
{0x00, 0x00, 0x10, "Sytek"},
{0x00, 0x00, 0x1D, "Cabletron"},
{0x00, 0x00, 0x20, "DIAB"},
{0x00, 0x00, 0x22, "Visual Technology"},
{0x00, 0x00, 0x2A, "TRW"},
{0x00, 0x00, 0x32, "GPT Limited"},
{0x00, 0x00, 0x5A, "S & Koch"},
{0x00, 0x00, 0x5E, "IANA"},
{0x00, 0x00, 0x65, "Network General"},
{0x00, 0x00, 0x6B, "MIPS"},
{0x00, 0x00, 0x77, "MIPS"},
{0x00, 0x00, 0x7A, "Ardent"},
{0x00, 0x00, 0x89, "Cayman Systems"},
{0x00, 0x00, 0x93, "Proteon"},
{0x00, 0x00, 0x9F, "Ameristar Technology"},
{0x00, 0x00, 0xA2, "Wellfleet"},
{0x00, 0x00, 0xA3, "Network Application Technology"},
{0x00, 0x00, 0xA6, "Network General"},
{0x00, 0x00, 0xA7, "NCD"},
{0x00, 0x00, 0xA9, "Network Systems"},
{0x00, 0x00, 0xAA, "Xerox"},
{0x00, 0x00, 0xB3, "CIMLinc"},
{0x00, 0x00, 0xB7, "Dove Fastnet"},
{0x00, 0x00, 0xBC, "Allen-Bradley"},
{0x00, 0x00, 0xC0, "Western Digital"},
{0x00, 0x00, 0xC5, "Farallon"},
{0x00, 0x00, 0xC6, "Hewlett-Packard"},
{0x00, 0x00, 0xC8, "Altos"},
{0x00, 0x00, 0xC9, "Emulex"},
{0x00, 0x00, 0xD7, "Dartmouth College"},
{0x00, 0x00, 0xD8, "3Com (?)"},
{0x00, 0x00, 0xDD, "Gould"},
{0x00, 0x00, 0xDE, "Unigraph"},
{0x00, 0x00, 0xE2, "Acer Counterpoint"},
{0x00, 0x00, 0xEF, "Alantec"},
{0x00, 0x00, 0xFD, "High Level Hardware"},
{0x00, 0x01, 0x02, "BBN internal usage"},
{0x00, 0x20, 0xAF, "3Com"},
{0x00, 0x17, 0x00, "Kabel"},
{0x00, 0x80, 0x64, "Wyse Technology"},
{0x00, 0x80, 0x2B, "IMAC (?)"},
{0x00, 0x80, 0x2D, "Xylogics, Inc."},
{0x00, 0x80, 0x8C, "Frontier Software Development"},
{0x00, 0x80, 0xC2, "IEEE 802.1 Committee"},
{0x00, 0x80, 0xD3, "Shiva"},
{0x00, 0xAA, 0x00, "Intel"},
{0x00, 0xDD, 0x00, "Ungermann-Bass"},
{0x00, 0xDD, 0x01, "Ungermann-Bass"},
{0x02, 0x07, 0x01, "Racal InterLan"},
{0x02, 0x04, 0x06, "BBN internal usage"},
{0x02, 0x60, 0x86, "Satelcom MegaPac"},
{0x02, 0x60, 0x8C, "3Com"},
{0x02, 0xCF, 0x1F, "CMC"},
{0x08, 0x00, 0x02, "3Com"},
{0x08, 0x00, 0x03, "ACC"},
{0x08, 0x00, 0x05, "Symbolics"},
{0x08, 0x00, 0x08, "BBN"},
{0x08, 0x00, 0x09, "Hewlett-Packard"},
{0x08, 0x00, 0x0A, "Nestar Systems"},
{0x08, 0x00, 0x0B, "Unisys"},
{0x08, 0x00, 0x11, "Tektronix"},
{0x08, 0x00, 0x14, "Excelan"},
{0x08, 0x00, 0x17, "NSC"},
{0x08, 0x00, 0x1A, "Data General"},
{0x08, 0x00, 0x1B, "Data General"},
{0x08, 0x00, 0x1E, "Apollo"},
{0x08, 0x00, 0x20, "Sun"},
{0x08, 0x00, 0x22, "NBI"},
{0x08, 0x00, 0x25, "CDC"},
{0x08, 0x00, 0x26, "Norsk Data"},
{0x08, 0x00, 0x27, "PCS Computer Systems GmbH"},
{0x08, 0x00, 0x28, "Texas Instruments"},
{0x08, 0x00, 0x2B, "DEC"},
{0x08, 0x00, 0x2E, "Metaphor"},
{0x08, 0x00, 0x2F, "Prime Computer"},
{0x08, 0x00, 0x36, "Intergraph"},
{0x08, 0x00, 0x37, "Fujitsu-Xerox"},
{0x08, 0x00, 0x38, "Bull"},
{0x08, 0x00, 0x39, "Spider Systems"},
{0x08, 0x00, 0x41, "DCA Digital Comm. Assoc."},
{0x08, 0x00, 0x45, "Xylogics (?)"},
{0x08, 0x00, 0x46, "Sony"},
{0x08, 0x00, 0x47, "Sequent"},
{0x08, 0x00, 0x49, "Univation"},
{0x08, 0x00, 0x4C, "Encore"},
{0x08, 0x00, 0x4E, "BICC"},
{0x08, 0x00, 0x56, "Stanford University"},
{0x08, 0x00, 0x58, "DECsystem 20 (?)"},
{0x08, 0x00, 0x5A, "IBM"},
{0x08, 0x00, 0x67, "Comdesign"},
{0x08, 0x00, 0x68, "Ridge"},
{0x08, 0x00, 0x69, "Silicon Graphics"},
{0x08, 0x00, 0x6E, "Concurrent"},
{0x08, 0x00, 0x75, "DDE"},
{0x08, 0x00, 0x7C, "Vitalink"},
{0x08, 0x00, 0x80, "XIOS"},
{0x08, 0x00, 0x86, "Imagen/QMS"},
{0x08, 0x00, 0x87, "Xyplex"},
{0x08, 0x00, 0x89, "Kinetics"},
{0x08, 0x00, 0x8B, "Pyramid"},
{0x08, 0x00, 0x8D, "XyVision"},
{0x08, 0x00, 0x90, "Retix Inc"},
{0x48, 0x44, 0x53, "HDS (?)"},
{0x80, 0x00, 0x10, "AT&T"},
{0xAA, 0x00, 0x00, "DEC"},
{0xAA, 0x00, 0x01, "DEC"},
{0xAA, 0x00, 0x02, "DEC"},
{0xAA, 0x00, 0x03, "DEC"},
{0xAA, 0x00, 0x04, "DEC"},
{0x00, 0x00, 0x00, NULL}
};
/*
* Utility macros used for sorting and comparing:
*/
#define hibits(addr) \
((unsigned long)(((addr)->a<<16)|((addr)->b<<8)|((addr)->c)))
#define lobits(addr) \
((unsigned long)(((addr)->d<<16)|((addr)->e<<8)|((addr)->f)))
/*
* MAC address reader. Accepts several common notations.
*/
Datum
macaddr_in(PG_FUNCTION_ARGS)
{
char *str = PG_GETARG_CSTRING(0);
int a,
b,
c,
d,
e,
f;
macaddr *result;
int count;
if (strlen(str) > 0)
{
count = sscanf(str, "%x:%x:%x:%x:%x:%x", &a, &b, &c, &d, &e, &f);
if (count != 6)
count = sscanf(str, "%x-%x-%x-%x-%x-%x", &a, &b, &c, &d, &e, &f);
if (count != 6)
count = sscanf(str, "%2x%2x%2x:%2x%2x%2x", &a, &b, &c, &d, &e, &f);
if (count != 6)
count = sscanf(str, "%2x%2x%2x-%2x%2x%2x", &a, &b, &c, &d, &e, &f);
if (count != 6)
count = sscanf(str, "%2x%2x.%2x%2x.%2x%2x", &a, &b, &c, &d, &e, &f);
if (count != 6)
elog(ERROR, "macaddr_in: error in parsing \"%s\"", str);
if ((a < 0) || (a > 255) || (b < 0) || (b > 255) ||
(c < 0) || (c > 255) || (d < 0) || (d > 255) ||
(e < 0) || (e > 255) || (f < 0) || (f > 255))
elog(ERROR, "macaddr_in: illegal address \"%s\"", str);
}
else
{
a = b = c = d = e = f = 0; /* special case for missing
* address */
}
result = (macaddr *) palloc(sizeof(macaddr));
result->a = a;
result->b = b;
result->c = c;
result->d = d;
result->e = e;
result->f = f;
PG_RETURN_MACADDR_P(result);
}
/*
* MAC address output function. Fixed format.
*/
Datum
macaddr_out(PG_FUNCTION_ARGS)
{
macaddr *addr = PG_GETARG_MACADDR_P(0);
char *result;
result = (char *) palloc(32);
if ((hibits(addr) > 0) || (lobits(addr) > 0))
{
sprintf(result, "%02x:%02x:%02x:%02x:%02x:%02x",
addr->a, addr->b, addr->c, addr->d, addr->e, addr->f);
}
else
{
result[0] = '\0'; /* special case for missing address */
}
PG_RETURN_CSTRING(result);
}
/*
* Comparison function for sorting:
*/
static int32
macaddr_cmp_internal(macaddr *a1, macaddr *a2)
{
if (hibits(a1) < hibits(a2))
return -1;
else if (hibits(a1) > hibits(a2))
return 1;
else if (lobits(a1) < lobits(a2))
return -1;
else if (lobits(a1) > lobits(a2))
return 1;
else
return 0;
}
Datum
macaddr_cmp(PG_FUNCTION_ARGS)
{
macaddr *a1 = PG_GETARG_MACADDR_P(0);
macaddr *a2 = PG_GETARG_MACADDR_P(1);
PG_RETURN_INT32(macaddr_cmp_internal(a1, a2));
}
/*
* Boolean comparisons.
*/
Datum
macaddr_lt(PG_FUNCTION_ARGS)
{
macaddr *a1 = PG_GETARG_MACADDR_P(0);
macaddr *a2 = PG_GETARG_MACADDR_P(1);
PG_RETURN_BOOL(macaddr_cmp_internal(a1, a2) < 0);
}
Datum
macaddr_le(PG_FUNCTION_ARGS)
{
macaddr *a1 = PG_GETARG_MACADDR_P(0);
macaddr *a2 = PG_GETARG_MACADDR_P(1);
PG_RETURN_BOOL(macaddr_cmp_internal(a1, a2) <= 0);
}
Datum
macaddr_eq(PG_FUNCTION_ARGS)
{
macaddr *a1 = PG_GETARG_MACADDR_P(0);
macaddr *a2 = PG_GETARG_MACADDR_P(1);
PG_RETURN_BOOL(macaddr_cmp_internal(a1, a2) == 0);
}
Datum
macaddr_ge(PG_FUNCTION_ARGS)
{
macaddr *a1 = PG_GETARG_MACADDR_P(0);
macaddr *a2 = PG_GETARG_MACADDR_P(1);
PG_RETURN_BOOL(macaddr_cmp_internal(a1, a2) >= 0);
}
Datum
macaddr_gt(PG_FUNCTION_ARGS)
{
macaddr *a1 = PG_GETARG_MACADDR_P(0);
macaddr *a2 = PG_GETARG_MACADDR_P(1);
PG_RETURN_BOOL(macaddr_cmp_internal(a1, a2) > 0);
}
Datum
macaddr_ne(PG_FUNCTION_ARGS)
{
macaddr *a1 = PG_GETARG_MACADDR_P(0);
macaddr *a2 = PG_GETARG_MACADDR_P(1);
PG_RETURN_BOOL(macaddr_cmp_internal(a1, a2) != 0);
}
/*
* The special manufacturer fetching function.
*/
Datum
macaddr_manuf(PG_FUNCTION_ARGS)
{
macaddr *addr = PG_GETARG_MACADDR_P(0);
manufacturer *manuf;
int length;
text *result;
for (manuf = manufacturers; manuf->name != NULL; manuf++)
{
if ((manuf->a == addr->a) &&
(manuf->b == addr->b) &&
(manuf->c == addr->c))
break;
}
if (manuf->name == NULL)
{
/* Not known, so return empty string */
result = palloc(VARHDRSZ);
VARATT_SIZEP(result) = VARHDRSZ;
}
else
{
length = strlen(manuf->name);
result = palloc(length + VARHDRSZ);
VARATT_SIZEP(result) = length + VARHDRSZ;
memcpy(VARDATA(result), manuf->name, length);
}
PG_RETURN_TEXT_P(result);
}
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