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Use DS records as trust anchors, not DNSKEYs.

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This allows us to query for the root zone DNSKEY RRset and validate
it, thus automatically handling KSK rollover.
This commit is contained in:
Simon Kelley
2014-02-11 11:07:22 +00:00
parent 83349b8aa4
commit ee4158678a
8 changed files with 85 additions and 120 deletions
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60
src/util.c
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@@ -482,66 +482,6 @@ int parse_hex(char *in, unsigned char *out, int maxlen,
return i;
}
#ifdef HAVE_DNSSEC
static int charval(char c)
{
if (c >= 'A' && c <= 'Z')
return c - 'A';
if (c >= 'a' && c <= 'z')
return c - 'a' + 26;
if (c >= '0' && c <= '9')
return c - '0' + 52;
if (c == '+')
return 62;
if (c == '/')
return 63;
if (c == '=')
return -1;
return -2;
}
int parse_base64(char *in, char *out)
{
char *p = out;
int i, val[4];
while (*in)
{
for (i = 0; i < 4; i++)
{
while (*in == ' ')
in++;
if (*in == 0)
return -1;
if ((val[i] = charval(*in++)) == -2)
return -1;
}
while (*in == ' ')
in++;
if (val[1] == -1)
return -1; /* too much padding */
*p++ = (val[0] << 2) | (val[1] >> 4);
if (val[2] != -1)
*p++ = (val[1] << 4) | ( val[2] >> 2);
if (val[3] != -1)
*p++ = (val[2] << 6) | val[3];
}
return p - out;
}
#endif
/* return 0 for no match, or (no matched octets) + 1 */
int memcmp_masked(unsigned char *a, unsigned char *b, int len, unsigned int mask)
{