mirror of
https://github.com/postgres/postgres.git
synced 2025-04-22 23:02:54 +03:00
d033e17530
equality. The lobits macro is wrong and extracts the wrong set of bits out of the structure. To exhibit the problem: select '000000:000000'::macaddr = '000000:110000'::macaddr ; ?column? -------- t (1 row) Daniel Boyd
329 lines
8.0 KiB
C
329 lines
8.0 KiB
C
/*
|
|
* PostgreSQL type definitions for MAC addresses.
|
|
*
|
|
* $Id: mac.c,v 1.14 1999/12/16 01:30:49 momjian Exp $
|
|
*/
|
|
|
|
|
|
#include "postgres.h"
|
|
#include "utils/builtins.h"
|
|
|
|
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.
|
|
*/
|
|
|
|
macaddr *
|
|
macaddr_in(char *str)
|
|
{
|
|
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;
|
|
|
|
return (result);
|
|
}
|
|
|
|
/*
|
|
* MAC address output function. Fixed format.
|
|
*/
|
|
|
|
char *
|
|
macaddr_out(macaddr *addr)
|
|
{
|
|
char *result;
|
|
|
|
if (addr == NULL)
|
|
return (NULL);
|
|
|
|
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 */
|
|
}
|
|
return (result);
|
|
}
|
|
|
|
/*
|
|
* Boolean tests.
|
|
*/
|
|
|
|
bool
|
|
macaddr_lt(macaddr *a1, macaddr *a2)
|
|
{
|
|
if (!PointerIsValid(a1) || !PointerIsValid(a2))
|
|
return FALSE;
|
|
return ((hibits(a1) < hibits(a2)) ||
|
|
((hibits(a1) == hibits(a2)) && lobits(a1) < lobits(a2)));
|
|
}
|
|
|
|
bool
|
|
macaddr_le(macaddr *a1, macaddr *a2)
|
|
{
|
|
if (!PointerIsValid(a1) || !PointerIsValid(a2))
|
|
return FALSE;
|
|
return ((hibits(a1) < hibits(a2)) ||
|
|
((hibits(a1) == hibits(a2)) && lobits(a1) <= lobits(a2)));
|
|
}
|
|
|
|
bool
|
|
macaddr_eq(macaddr *a1, macaddr *a2)
|
|
{
|
|
if (!PointerIsValid(a1) || !PointerIsValid(a2))
|
|
return FALSE;
|
|
return ((hibits(a1) == hibits(a2)) && (lobits(a1) == lobits(a2)));
|
|
}
|
|
|
|
bool
|
|
macaddr_ge(macaddr *a1, macaddr *a2)
|
|
{
|
|
if (!PointerIsValid(a1) || !PointerIsValid(a2))
|
|
return FALSE;
|
|
return ((hibits(a1) > hibits(a2)) ||
|
|
((hibits(a1) == hibits(a2)) && lobits(a1) >= lobits(a2)));
|
|
}
|
|
|
|
bool
|
|
macaddr_gt(macaddr *a1, macaddr *a2)
|
|
{
|
|
if (!PointerIsValid(a1) || !PointerIsValid(a2))
|
|
return FALSE;
|
|
return ((hibits(a1) > hibits(a2)) ||
|
|
((hibits(a1) == hibits(a2)) && lobits(a1) > lobits(a2)));
|
|
}
|
|
|
|
bool
|
|
macaddr_ne(macaddr *a1, macaddr *a2)
|
|
{
|
|
if (!PointerIsValid(a1) || !PointerIsValid(a2))
|
|
return FALSE;
|
|
return ((hibits(a1) != hibits(a2)) || (lobits(a1) != lobits(a2)));
|
|
}
|
|
|
|
/*
|
|
* Comparison function for sorting:
|
|
*/
|
|
|
|
int4
|
|
macaddr_cmp(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;
|
|
}
|
|
|
|
/*
|
|
* The special manufacturer fetching function. See "mac.h".
|
|
*/
|
|
|
|
text *
|
|
macaddr_manuf(macaddr *addr)
|
|
{
|
|
manufacturer *manuf;
|
|
int length;
|
|
text *result;
|
|
|
|
if (!PointerIsValid(addr))
|
|
return NULL;
|
|
|
|
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)
|
|
{
|
|
result = palloc(VARHDRSZ + 1);
|
|
memset(result, 0, VARHDRSZ + 1);
|
|
VARSIZE(result) = VARHDRSZ + 1;
|
|
}
|
|
else
|
|
{
|
|
length = strlen(manuf->name) + 1;
|
|
result = palloc(length + VARHDRSZ);
|
|
memset(result, 0, length + VARHDRSZ);
|
|
VARSIZE(result) = length + VARHDRSZ;
|
|
memcpy(VARDATA(result), manuf->name, length);
|
|
}
|
|
return result;
|
|
}
|