diff options
Diffstat (limited to 'src/backend/utils/adt/mac.c')
| -rw-r--r-- | src/backend/utils/adt/mac.c | 323 |
1 files changed, 323 insertions, 0 deletions
diff --git a/src/backend/utils/adt/mac.c b/src/backend/utils/adt/mac.c new file mode 100644 index 00000000000..8d09ea16c6e --- /dev/null +++ b/src/backend/utils/adt/mac.c @@ -0,0 +1,323 @@ +/* + * PostgreSQL type definitions for MAC addresses. + * + * $Id: mac.c,v 1.1 1998/10/03 05:40:50 momjian Exp $ + */ + +#include <stdio.h> + +#include <postgres.h> +#include <utils/palloc.h> + +#include <utils/mac.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->c<<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); + return (NULL); + } + + 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); + return (NULL); + } + } + 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) +{ + return ((hibits(a1) < hibits(a2)) || + ((hibits(a1) == hibits(a2)) && lobits(a1) < lobits(a2))); +}; + +bool +macaddr_le(macaddr *a1, macaddr *a2) +{ + return ((hibits(a1) < hibits(a2)) || + ((hibits(a1) == hibits(a2)) && lobits(a1) <= lobits(a2))); +}; + +bool +macaddr_eq(macaddr *a1, macaddr *a2) +{ + return ((hibits(a1) == hibits(a2)) && (lobits(a1) == lobits(a2))); +}; + +bool +macaddr_ge(macaddr *a1, macaddr *a2) +{ + return ((hibits(a1) > hibits(a2)) || + ((hibits(a1) == hibits(a2)) && lobits(a1) >= lobits(a2))); +}; + +bool +macaddr_gt(macaddr *a1, macaddr *a2) +{ + return ((hibits(a1) > hibits(a2)) || + ((hibits(a1) == hibits(a2)) && lobits(a1) > lobits(a2))); +}; + +bool +macaddr_ne(macaddr *a1, macaddr *a2) +{ + 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; + + 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; +} |