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Code Issues Releases Wiki Activity

Add KEY, SIG and NSAP rdata type. SIG is not complete.

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Add master file reader, master.c master.h, incomplete.

	gen.c was not generate correct include file, SWITCHXXX macros were
	being terminated early if last RR type was class specific.

	Added base64 support to rdata.c.
This commit is contained in:
Mark Andrews
1999-01-27 13:38:21 +00:00
parent e957705142
commit ffe74cc719
15 changed files with 1899 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

130
lib/dns/rdata.c
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@@ -15,7 +15,7 @@
* SOFTWARE.
*/
/* $Id: rdata.c,v 1.14 1999/01/27 06:07:57 halley Exp $ */
/* $Id: rdata.c,v 1.15 1999/01/27 13:38:18 marka Exp $ */
#include <config.h>
@@ -51,9 +51,9 @@ static isc_boolean_t buffer_empty(isc_buffer_t *source);
static void buffer_fromregion(isc_buffer_t *buffer,
isc_region_t *region,
unsigned int type);
static isc_result_t uint32_tobuffer(unsigned long value,
static dns_result_t uint32_tobuffer(unsigned long value,
isc_buffer_t *target);
static isc_result_t uint16_tobuffer(unsigned long value,
static dns_result_t uint16_tobuffer(unsigned long value,
isc_buffer_t *target);
static unsigned long uint32_fromregion(isc_region_t *region);
static unsigned short uint16_fromregion(isc_region_t *region);
@@ -62,6 +62,17 @@ static dns_result_t gettoken(isc_lex_t *lexer, isc_token_t *token,
static dns_result_t mem_tobuffer(isc_buffer_t *target, void *base,
unsigned int length);
static int compare_region(isc_region_t *r1, isc_region_t *r2);
static int hexvalue(char value);
static dns_result_t base64_totext(isc_region_t *source,
isc_buffer_t *target);
static dns_result_t base64_tobuffer(isc_lex_t *lexer,
isc_buffer_t *target);
static dns_result_t time_totext(unsigned long value,
isc_buffer_t *target);
static const char hexdigits[] = "0123456789abcdef";
static const char decdigits[] = "0123456789";
static const char octdigits[] = "01234567";
#include "code.h"
@@ -70,6 +81,7 @@ static int compare_region(isc_region_t *r1, isc_region_t *r2);
#define METATYPES \
{ 0, "NONE", META }, \
{ 23, "NSAP-PTR", RESERVED }, \
{ 100, "UINFO", RESERVED }, \
{ 101, "UID", RESERVED }, \
{ 102, "GID", RESERVED }, \
@@ -556,7 +568,7 @@ buffer_fromregion(isc_buffer_t *buffer, isc_region_t *region,
isc_buffer_setactive(buffer, region->length);
}
static isc_result_t
static dns_result_t
uint32_tobuffer(unsigned long value, isc_buffer_t *target) {
isc_region_t region;
@@ -571,7 +583,7 @@ uint32_tobuffer(unsigned long value, isc_buffer_t *target) {
return (DNS_R_SUCCESS);
}
static isc_result_t
static dns_result_t
uint16_tobuffer(unsigned long value, isc_buffer_t *target) {
isc_region_t region;
@@ -609,7 +621,8 @@ uint16_fromregion(isc_region_t *region) {
static dns_result_t
gettoken(isc_lex_t *lexer, isc_token_t *token, isc_tokentype_t expect,
isc_boolean_t eol) {
unsigned int options = ISC_LEXOPT_EOL | ISC_LEXOPT_EOF;
unsigned int options = ISC_LEXOPT_EOL | ISC_LEXOPT_EOF |
ISC_LEXOPT_DNSMULTILINE;
if (expect == isc_tokentype_qstring)
options |= ISC_LEXOPT_QSTRING;
@@ -657,3 +670,108 @@ compare_region(isc_region_t *r1, isc_region_t *r2) {
else
return ((r1->length < r2->length) ? -1 : 1);
}
static int
hexvalue(char value) {
char *s;
if (!isascii(value&0xff))
return (-1);
if (isupper(value))
value = tolower(value);
if ((s = strchr(hexdigits, value)) == NULL)
return (-1);
return (s - hexdigits);
}
static const char base64[] =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
static dns_result_t
base64_totext(isc_region_t *source, isc_buffer_t *target) {
char buf[5];
int loops = 0;
memset(buf, 0, sizeof buf);
RETERR(str_totext("( " /*)*/, target));
while (source->length > 2) {
buf[0] = base64[(source->base[0]>>2)&0x3f];
buf[1] = base64[((source->base[0]<<4)&0x30)|
((source->base[1]>>4)&0x0f)];
buf[2] = base64[((source->base[1]<<4)&0x3c)|
((source->base[2]>>6)&0x03)];
buf[3] = base64[source->base[2]&0x3f];
RETERR(str_totext(buf, target));
isc_region_consume(source, 3);
if (source->length != 0 && ++loops == 15) {
loops = 0;
RETERR(str_totext(" ", target));
}
}
if (source->length == 2) {
buf[0] = base64[(source->base[0]>>2)&0x3f];
buf[1] = base64[((source->base[0]<<4)&0x30)|
((source->base[1]>>4)&0x0f)];
buf[2] = base64[((source->base[1]<<4)&0x3c)];
buf[3] = '=';
RETERR(str_totext(buf, target));
} else if (source->length == 1) {
buf[0] = base64[(source->base[0]>>2)&0x3f];
buf[1] = base64[((source->base[0]<<4)&0x30)];
buf[2] = buf[3] = '=';
RETERR(str_totext(buf, target));
}
RETERR(str_totext(" )", target));
return (DNS_R_SUCCESS);
}
static dns_result_t
base64_tobuffer(isc_lex_t *lexer, isc_buffer_t *target) {
int digits = 0;
isc_textregion_t *tr;
int val[4];
unsigned char buf[3];
int seen_end = 0;
unsigned int i;
isc_token_t token;
char *s;
int n;
while (1) {
RETERR(gettoken(lexer, &token, isc_tokentype_string, ISC_TRUE));
if (token.type != isc_tokentype_string)
break;
tr = &token.value.as_textregion;
for (i = 0 ;i < tr->length; i++) {
if (seen_end)
return (DNS_R_SYNTAX);
if ((s = strchr(base64, tr->base[i])) == NULL)
return (DNS_R_SYNTAX);
val[digits++] = s - base64;
if (digits == 4) {
if (val[1] == 64 || val[2] == 64)
return (DNS_R_SYNTAX);
if (val[2] == 64 && val[3] != 64)
return (DNS_R_SYNTAX);
buf[0] = (val[0]<<2)|(val[1]>>4);
buf[1] = (val[1]<<4)|(val[2]>>2);
buf[2] = (val[2]<<2)|(val[3]);
n = (val[2] == 64) ? 1 :
(val[3] == 64) ? 2 : 3;
RETERR(mem_tobuffer(target, buf, n));
digits = 0;
if (val[2] == 64 || val[3] != 64)
seen_end = 1;
}
}
}
isc_lex_ungettoken(lexer, &token);
if (digits)
return (DNS_R_SYNTAX);
return (DNS_R_SUCCESS);
}
static dns_result_t
time_totext(unsigned long value, isc_buffer_t *target) {
return (DNS_R_NOTIMPLEMENTED);
}