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Merge remote-tracking branch 'upstream/master'

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This commit is contained in:
Christopher Zimmermann
2021-02-03 13:19:19 +01:00
parent ad51795314 4693929471
commit 1d23e0c920
370 changed files with 24681 additions and 14854 deletions
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dns64/dns64.c
+24 -19
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@@ -198,14 +198,17 @@ uitoa(unsigned n, char* s)
static uint32_t
extract_ipv4(const uint8_t ipv6[], size_t ipv6_len, const int offset)
{
uint32_t ipv4;
uint32_t ipv4 = 0;
int i, pos;
log_assert(ipv6_len == 16); (void)ipv6_len;
ipv4 = (uint32_t)ipv6[offset/8+0] << (24 + (offset%8))
| (uint32_t)ipv6[offset/8+1] << (16 + (offset%8))
| (uint32_t)ipv6[offset/8+2] << ( 8 + (offset%8))
| (uint32_t)ipv6[offset/8+3] << ( 0 + (offset%8));
if (offset/8+4 < 16)
ipv4 |= (uint32_t)ipv6[offset/8+4] >> (8 - offset%8);
log_assert(offset == 32 || offset == 40 || offset == 48 || offset == 56 ||
offset == 64 || offset == 96);
for(i = 0, pos = offset / 8; i < 4; i++, pos++) {
if (pos == 8)
pos++;
ipv4 = ipv4 << 8;
ipv4 |= ipv6[pos];
}
return ipv4;
}
@@ -296,18 +299,18 @@ synthesize_aaaa(const uint8_t prefix_addr[], size_t prefix_addr_len,
int prefix_net, const uint8_t a[], size_t a_len, uint8_t aaaa[],
size_t aaaa_len)
{
size_t i;
int pos;
log_assert(prefix_addr_len == 16 && a_len == 4 && aaaa_len == 16);
log_assert(prefix_net == 32 || prefix_net == 40 || prefix_net == 48 ||
prefix_net == 56 || prefix_net == 64 || prefix_net == 96);
(void)prefix_addr_len; (void)a_len; (void)aaaa_len;
memcpy(aaaa, prefix_addr, 16);
aaaa[prefix_net/8+0] |= a[0] >> (0+prefix_net%8);
aaaa[prefix_net/8+1] |= a[0] << (8-prefix_net%8);
aaaa[prefix_net/8+1] |= a[1] >> (0+prefix_net%8);
aaaa[prefix_net/8+2] |= a[1] << (8-prefix_net%8);
aaaa[prefix_net/8+2] |= a[2] >> (0+prefix_net%8);
aaaa[prefix_net/8+3] |= a[2] << (8-prefix_net%8);
aaaa[prefix_net/8+3] |= a[3] >> (0+prefix_net%8);
if (prefix_net/8+4 < 16) /* <-- my beautiful symmetry is destroyed! */
aaaa[prefix_net/8+4] |= a[3] << (8-prefix_net%8);
for(i = 0, pos = prefix_net / 8; i < a_len; i++, pos++) {
if(pos == 8)
aaaa[pos++] = 0;
aaaa[pos] = a[i];
}
}
@@ -374,8 +377,10 @@ dns64_apply_cfg(struct dns64_env* dns64_env, struct config_file* cfg)
log_err("dns64_prefix is not IPv6: %s", cfg->dns64_prefix);
return 0;
}
if (dns64_env->prefix_net < 0 || dns64_env->prefix_net > 96) {
log_err("dns64-prefix length it not between 0 and 96: %s",
if (dns64_env->prefix_net != 32 && dns64_env->prefix_net != 40 &&
dns64_env->prefix_net != 48 && dns64_env->prefix_net != 56 &&
dns64_env->prefix_net != 64 && dns64_env->prefix_net != 96 ) {
log_err("dns64-prefix length it not 32, 40, 48, 56, 64 or 96: %s",
cfg->dns64_prefix);
return 0;
}
@@ -722,7 +727,7 @@ dns64_synth_aaaa_data(const struct ub_packed_rrset_key* fk,
*dd_out = NULL;
return; /* integer overflow protection in alloc */
}
if (!(dd = *dd_out = regional_alloc(region,
if (!(dd = *dd_out = regional_alloc_zero(region,
sizeof(struct packed_rrset_data)
+ fd->count * (sizeof(size_t) + sizeof(time_t) +
sizeof(uint8_t*) + 2 + 16)))) {