Commit d42be4bb authored by Mark Andrews's avatar Mark Andrews
Browse files

LOC

parent 8e1f35e1
/*
* Copyright (C) 1999 Internet Software Consortium.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
* CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
* SOFTWARE.
*/
/* $Id: loc_29.c,v 1.1 1999/02/01 07:58:13 marka Exp $ */
/* RFC 1876 */
#ifndef RDATA_GENERIC_LOC_29_H
#define RDATA_GENERIC_LOC_29_H
static dns_result_t
fromtext_loc(dns_rdataclass_t class, dns_rdatatype_t type,
isc_lex_t *lexer, dns_name_t *origin,
isc_boolean_t downcase, isc_buffer_t *target)
{
isc_token_t token;
int d1, m1, s1;
int d2, m2, s2;
unsigned char size;
unsigned char hp;
unsigned char vp;
unsigned char version;
isc_boolean_t east, north;
long tmp;
long m;
long cm;
long poweroften[8] = { 1, 10, 100, 1000,
10000, 100000, 1000000, 10000000 };
int man;
int exp;
char *e;
int i;
unsigned long latitude;
unsigned long longitude;
unsigned long altitude;
REQUIRE(type == 29);
class = class; /*unused*/
origin = origin; /*unused*/
downcase = downcase; /*unused*/
/* defaults */
m1 = s1 = 0;
m2 = s2 = 0;
size = 0x12; /* 1.00m */
hp = 0x16; /* 10000.00 m */
vp = 0x13; /* 10.00 m */
version = 0;
/* degree */
RETERR(gettoken(lexer, &token, isc_tokentype_number, ISC_FALSE));
if (token.value.as_ulong > 90)
return (DNS_R_RANGE);
d1 = token.value.as_ulong;
/* minute */
RETERR(gettoken(lexer, &token, isc_tokentype_string, ISC_FALSE));
if ((north = (strcasecmp(token.value.as_pointer, "N") == 0)) ||
strcasecmp(token.value.as_pointer, "S") == 0)
goto getlong;
m1 = strtol(token.value.as_pointer, &e, 10);
if (*e != 0)
return (DNS_R_SYNTAX);
if (m1 < 0 || m1 > 59)
return (DNS_R_RANGE);
if (d1 == 90 && m1 != 0)
return (DNS_R_RANGE);
/* second */
RETERR(gettoken(lexer, &token, isc_tokentype_string, ISC_FALSE));
if ((north = (strcasecmp(token.value.as_pointer, "N") == 0)) ||
strcasecmp(token.value.as_pointer, "S") == 0)
goto getlong;
s1 = strtol(token.value.as_pointer, &e, 10);
if (*e != 0 && *e != '.')
return (DNS_R_SYNTAX);
if (s1 < 0 || s1 > 59)
return (DNS_R_RANGE);
if (*e == '.') {
e++;
for (i = 0; i < 3 ; i++) {
if (*e == 0)
break;
if ((tmp = decvalue(*e++)) < 0)
return (DNS_R_SYNTAX);
s1 *= 10;
s1 += tmp;
}
for ( ; i < 3 ; i++)
s1 *= 10;
if (*e != 0)
return (DNS_R_SYNTAX);
} else
s1 *= 1000;
if (d1 == 90 && s1 != 0)
return (DNS_R_RANGE);
/* direction */
RETERR(gettoken(lexer, &token, isc_tokentype_string, ISC_FALSE));
if ((north = (strcasecmp(token.value.as_pointer, "N") == 0)) ||
strcasecmp(token.value.as_pointer, "S") == 0)
goto getlong;
return (DNS_R_SYNTAX);
getlong:
/* degree */
RETERR(gettoken(lexer, &token, isc_tokentype_number, ISC_FALSE));
if (token.value.as_ulong > 180)
return (DNS_R_RANGE);
d2 = token.value.as_ulong;
/* minute */
RETERR(gettoken(lexer, &token, isc_tokentype_string, ISC_FALSE));
if ((east = (strcasecmp(token.value.as_pointer, "E") == 0)) ||
strcasecmp(token.value.as_pointer, "W") == 0)
goto getalt;
m2 = strtol(token.value.as_pointer, &e, 10);
if (*e != 0)
return (DNS_R_SYNTAX);
if (m2 < 0 || m2 > 59)
return (DNS_R_RANGE);
if (d2 == 180 && m2 != 0)
return (DNS_R_RANGE);
/* second */
RETERR(gettoken(lexer, &token, isc_tokentype_string, ISC_FALSE));
if ((east = (strcasecmp(token.value.as_pointer, "E") == 0)) ||
strcasecmp(token.value.as_pointer, "W") == 0)
goto getalt;
s2 = strtol(token.value.as_pointer, &e, 10);
if (*e != 0 && *e != '.')
return (DNS_R_SYNTAX);
if (s2 < 0 || s2 > 59)
return (DNS_R_RANGE);
if (*e == '.') {
e++;
for (i = 0; i < 3 ; i++) {
if (*e == 0)
break;
if ((tmp = decvalue(*e++)) < 0)
return (DNS_R_SYNTAX);
s2 *= 10;
s2 += tmp;
}
for ( ; i < 3 ; i++)
s2 *= 10;
if (*e != 0)
return (DNS_R_SYNTAX);
} else
s2 *= 1000;
if (d2 == 180 && s2 != 0)
return (DNS_R_RANGE);
/* direction */
RETERR(gettoken(lexer, &token, isc_tokentype_string, ISC_FALSE));
if ((east = (strcasecmp(token.value.as_pointer, "E") == 0)) ||
strcasecmp(token.value.as_pointer, "W") == 0)
goto getalt;
return (DNS_R_SYNTAX);
getalt:
/* alt */
RETERR(gettoken(lexer, &token, isc_tokentype_string, ISC_FALSE));
m = strtol(token.value.as_pointer, &e, 10);
if (*e != 0 && *e != '.' && *e != 'm')
return (DNS_R_SYNTAX);
if (m < -100000 || m > 42849672)
return (DNS_R_RANGE);
cm = 0;
if (*e == '.') {
e++;
for (i = 0; i < 2 ; i++) {
if (*e == 0 || *e == 'm')
break;
if ((tmp = decvalue(*e++)) < 0)
return (DNS_R_SYNTAX);
cm *= 10;
if (tmp < 0)
cm -= tmp;
else
cm += tmp;
}
for ( ; i < 2 ; i++)
cm *= 10;
}
if (*e == 'm')
e++;
if (*e != 0)
return (DNS_R_SYNTAX);
if (m == -100000 && cm != 0)
return (DNS_R_RANGE);
if (m == 42849672 && cm > 95)
return (DNS_R_RANGE);
/* adjust base */
altitude = m + 100000;
altitude *= 100;
altitude += cm;
/* size: optional */
RETERR(gettoken(lexer, &token, isc_tokentype_string, ISC_TRUE));
if (token.type == isc_tokentype_eol ||
token.type == isc_tokentype_eof) {
isc_lex_ungettoken(lexer, &token);
goto encode;
}
m = strtol(token.value.as_pointer, &e, 10);
if (*e != 0 && *e != '.' && *e != 'm')
return (DNS_R_SYNTAX);
if (m < 0 || m > 90000000)
return (DNS_R_RANGE);
cm = 0;
if (*e == '.') {
e++;
for (i = 0; i < 2 ; i++) {
if (*e == 0 || *e == 'm')
break;
if ((tmp = decvalue(*e++)) < 0)
return (DNS_R_SYNTAX);
cm *= 10;
cm += tmp;
}
for ( ; i < 2 ; i++)
cm *= 10;
}
if (*e == 'm')
e++;
if (*e != 0)
return (DNS_R_SYNTAX);
/* we don't just multiply out as we will overflow */
if (m > 0) {
for (exp = 0 ; exp < 7 ; exp++)
if (m < poweroften[exp+1])
break;
man = m / poweroften[exp];
exp += 2;
} else {
if (cm > 10) {
man = cm / 10;
exp = 1;
} else {
man = cm;
exp = 0;
}
}
size = (man << 4) + exp;
/* hp: optional */
RETERR(gettoken(lexer, &token, isc_tokentype_string, ISC_TRUE));
if (token.type == isc_tokentype_eol ||
token.type == isc_tokentype_eof) {
isc_lex_ungettoken(lexer, &token);
goto encode;
}
m = strtol(token.value.as_pointer, &e, 10);
if (*e != 0 && *e != '.' && *e != 'm')
return (DNS_R_SYNTAX);
if (m < 0 || m > 90000000)
return (DNS_R_RANGE);
cm = 0;
if (*e == '.') {
e++;
for (i = 0; i < 2 ; i++) {
if (*e == 0 || *e == 'm')
break;
if ((tmp = decvalue(*e++)) < 0)
return (DNS_R_SYNTAX);
cm *= 10;
cm += tmp;
}
for ( ; i < 2 ; i++)
cm *= 10;
}
if (*e == 'm')
e++;
if (*e != 0)
return (DNS_R_SYNTAX);
/* we don't just multiply out as we will overflow */
if (m > 0) {
for (exp = 0 ; exp < 7 ; exp++)
if (m < poweroften[exp+1])
break;
man = m / poweroften[exp];
exp += 2;
} else if (cm > 10) {
man = cm / 10;
exp = 1;
} else {
man = cm;
exp = 0;
}
hp = (man << 4) + exp;
/* vp: optional */
RETERR(gettoken(lexer, &token, isc_tokentype_string, ISC_TRUE));
if (token.type == isc_tokentype_eol ||
token.type == isc_tokentype_eof) {
isc_lex_ungettoken(lexer, &token);
goto encode;
}
m = strtol(token.value.as_pointer, &e, 10);
if (*e != 0 && *e != '.' && *e != 'm')
return (DNS_R_SYNTAX);
if (m < 0 || m > 90000000)
return (DNS_R_RANGE);
cm = 0;
if (*e == '.') {
e++;
for (i = 0; i < 2 ; i++) {
if (*e == 0 || *e == 'm')
break;
if ((tmp = decvalue(*e++)) < 0)
return (DNS_R_SYNTAX);
cm *= 10;
cm += tmp;
}
for ( ; i < 2 ; i++)
cm *= 10;
}
if (*e == 'm')
e++;
if (*e != 0)
return (DNS_R_SYNTAX);
/* we don't just multiply out as we will overflow */
if (m > 0) {
for (exp = 0 ; exp < 7 ; exp++)
if (m < poweroften[exp+1])
break;
man = m / poweroften[exp];
exp += 2;
} else if (cm > 10) {
man = cm / 10;
exp = 1;
} else {
man = cm;
exp = 0;
}
vp = (man << 4) + exp;
encode:
RETERR(mem_tobuffer(target, &version, 1));
RETERR(mem_tobuffer(target, &size, 1));
RETERR(mem_tobuffer(target, &hp, 1));
RETERR(mem_tobuffer(target, &vp, 1));
if (north)
latitude = 0x80000000 + ( d1 * 3600 + m1 * 60 ) * 1000 + s1;
else
latitude = 0x80000000 - ( d1 * 3600 + m1 * 60 ) * 1000 - s1;
RETERR(uint32_tobuffer(latitude, target));
if (east)
longitude = 0x80000000 + ( d2 * 3600 + m2 * 60 ) * 1000 + s2;
else
longitude = 0x80000000 - ( d2 * 3600 + m2 * 60 ) * 1000 - s2;
RETERR(uint32_tobuffer(longitude, target));
return (uint32_tobuffer(altitude, target));
}
static dns_result_t
totext_loc(dns_rdata_t *rdata, dns_name_t *origin, isc_buffer_t *target) {
int d1, m1, s1, fs1;
int d2, m2, s2, fs2;
unsigned long latitude;
unsigned long longitude;
unsigned long altitude;
isc_boolean_t north;
isc_boolean_t east;
isc_boolean_t below;
isc_region_t sr;
char buf[sizeof
"89 59 59.999 N 179 59 59.999 E 42849672.95m 90000000m 90000000m 90000000m"];
char sbuf[sizeof "90000000m"];
char hbuf[sizeof "90000000m"];
char vbuf[sizeof "90000000m"];
unsigned char size, hp, vp;
unsigned long poweroften[8] = { 1, 10, 100, 1000,
10000, 100000, 1000000, 10000000 };
REQUIRE(rdata->type == 29);
origin = origin; /*unused*/
dns_rdata_toregion(rdata, &sr);
/* version = sr.base[0]; */
size = sr.base[1];
if ((size&0x0f)> 1)
sprintf(sbuf, "%lum", (size>>4) * poweroften[(size&0x0f)-2]);
else
sprintf(sbuf, "0.%02lum", (size>>4) * poweroften[(size&0x0f)]);
hp = sr.base[2];
if ((hp&0x0f)> 1)
sprintf(hbuf, "%lum", (hp>>4) * poweroften[(hp&0x0f)-2]);
else
sprintf(hbuf, "0.%02lum", (hp>>4) * poweroften[(hp&0x0f)]);
vp = sr.base[3];
if ((vp&0x0f)> 1)
sprintf(vbuf, "%lum", (vp>>4) * poweroften[(vp&0x0f)-2]);
else
sprintf(vbuf, "0.%02lum", (vp>>4) * poweroften[(vp&0x0f)]);
isc_region_consume(&sr, 4);
latitude = uint32_fromregion(&sr);
isc_region_consume(&sr, 4);
if (latitude >= 0x80000000) {
north = ISC_TRUE;
latitude -= 0x80000000;
} else {
north = ISC_FALSE;
latitude = 0x80000000 - latitude;
}
fs1 = latitude % 1000;
latitude /= 1000;
s1 = latitude % 60;
latitude /= 60;
m1 = latitude % 60;
latitude /= 60;
d1 = latitude;
longitude = uint32_fromregion(&sr);
isc_region_consume(&sr, 4);
if (longitude >= 0x80000000) {
east = ISC_TRUE;
longitude -= 0x80000000;
} else {
east = ISC_FALSE;
longitude = 0x80000000 - longitude;
}
fs2 = longitude % 1000;
longitude /= 1000;
s2 = longitude % 60;
longitude /= 60;
m2 = longitude % 60;
longitude /= 60;
d2 = longitude;
altitude = uint32_fromregion(&sr);
isc_region_consume(&sr, 4);
if (altitude < 10000000) {
below = ISC_TRUE;
altitude = 10000000 - altitude;
} else {
below =ISC_FALSE;
altitude -= 10000000;
}
sprintf(buf, "%d %d %d.%03d %s %d %d %d.%03d %s %s%ld.%02ld %s %s %s",
d1, m1, s1, fs1, north ? "N" : "S",
d2, m2, s2, fs2, east ? "E" : "W",
below ? "-" : "", altitude/100, altitude % 100,
sbuf, hbuf, vbuf);
return (str_totext(buf, target));
}
static dns_result_t
fromwire_loc(dns_rdataclass_t class, dns_rdatatype_t type,
isc_buffer_t *source, dns_decompress_t *dctx,
isc_boolean_t downcase, isc_buffer_t *target)
{
isc_region_t sr;
unsigned char c;
unsigned long latitude;
unsigned long longitude;
REQUIRE(type == 29);
class = class; /*unused*/
dctx = dctx; /*unused*/
downcase = downcase; /*unused*/
isc_buffer_active(source, &sr);
if (sr.length < 1)
return (DNS_R_UNEXPECTEDEND);
if (sr.base[0] != 0)
return (DNS_R_NOTIMPLEMENTED);
if (sr.length < 16)
return (DNS_R_UNEXPECTEDEND);
/* size */
c = sr.base[1];
if (c != 0)
if ((c&0xf) > 9 || ((c>>4)&0xf) > 9 || ((c>>4)&0xf) == 0)
return (DNS_R_RANGE);
/* horiz pre */
c = sr.base[2];
if (c != 0)
if ((c&0xf) > 9 || ((c>>4)&0xf) > 9 || ((c>>4)&0xf) == 0)
return (DNS_R_RANGE);
/* vert pre */
c = sr.base[3];
if (c != 0)
if ((c&0xf) > 9 || ((c>>4)&0xf) > 9 || ((c>>4)&0xf) == 0)
return (DNS_R_RANGE);
isc_region_consume(&sr, 4);
/* latitude */
latitude = uint32_fromregion(&sr);
if (latitude < (0x80000000UL - 90 * 3600000) ||
latitude > (0x80000000UL + 90 * 3600000))
return (DNS_R_RANGE);
isc_region_consume(&sr, 4);
/* longitude */
longitude = uint32_fromregion(&sr);
if (longitude < (0x80000000UL - 180 * 3600000) ||
longitude > (0x80000000UL + 180 * 3600000))
return (DNS_R_RANGE);
/* altitiude */
/* all values possible */
isc_buffer_active(source, &sr);
isc_buffer_forward(source, 16);
return (mem_tobuffer(target, sr.base, 16));
}
static dns_result_t
towire_loc(dns_rdata_t *rdata, dns_compress_t *cctx, isc_buffer_t *target) {
REQUIRE(rdata->type == 29);
cctx = cctx; /*unused*/
return(mem_tobuffer(target, rdata->data, rdata->length));
}
static int
compare_loc(dns_rdata_t *rdata1, dns_rdata_t *rdata2) {
isc_region_t r1;
isc_region_t r2;
REQUIRE(rdata1->type == rdata2->type);
REQUIRE(rdata1->class == rdata2->class);
REQUIRE(rdata1->type == 29);
dns_rdata_toregion(rdata1, &r1);
dns_rdata_toregion(rdata2, &r2);
return (compare_region(&r1, &r2));
}
static dns_result_t
fromstruct_loc(dns_rdataclass_t class, dns_rdatatype_t type, void *source,
isc_buffer_t *target)
{
REQUIRE(type == 29);
class = class; /*unused*/
source = source;
target = target;
return (DNS_R_NOTIMPLEMENTED);
}
static dns_result_t
tostruct_loc(dns_rdata_t *rdata, void *target) {
REQUIRE(rdata->type == 29);
target = target;
return (DNS_R_NOTIMPLEMENTED);
}
#endif /* RDATA_GENERIC_LOC_29_H */
/*
* Copyright (C) 1999 Internet Software Consortium.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
* CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
* SOFTWARE.
*/
/* $Id: loc_29.h,v 1.1 1999/02/01 07:58:13 marka Exp $ */
/* RFC 1876 */
#ifndef RDATA_GENERIC_LOC_29_H