3571e53040
patches for easier mirroring, to eliminate a special copy, to make www.freebsd.org/security a full copy of security.freebsd.org and be eventually be the same. For now files are just sitting there. The symlinks are missing. Discussed on: www (repository location) Discussed with: simon (so)
58 lines
2 KiB
Diff
58 lines
2 KiB
Diff
Index: contrib/bind9/lib/dns/rdata.c
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===================================================================
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--- contrib/bind9/lib/dns/rdata.c.orig
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+++ contrib/bind9/lib/dns/rdata.c (working copy)
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@@ -334,8 +334,8 @@ dns_rdata_compare(const dns_rdata_t *rdata1, const
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REQUIRE(rdata1 != NULL);
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REQUIRE(rdata2 != NULL);
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- REQUIRE(rdata1->data != NULL);
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- REQUIRE(rdata2->data != NULL);
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+ REQUIRE(rdata1->length == 0 || rdata1->data != NULL);
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+ REQUIRE(rdata2->length == 0 || rdata2->data != NULL);
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REQUIRE(DNS_RDATA_VALIDFLAGS(rdata1));
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REQUIRE(DNS_RDATA_VALIDFLAGS(rdata2));
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Index: contrib/bind9/lib/dns/rdataslab.c
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===================================================================
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--- contrib/bind9/lib/dns/rdataslab.c.orig
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+++ contrib/bind9/lib/dns/rdataslab.c (working copy)
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@@ -128,6 +128,11 @@ isc_result_t
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dns_rdataslab_fromrdataset(dns_rdataset_t *rdataset, isc_mem_t *mctx,
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isc_region_t *region, unsigned int reservelen)
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{
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+ /*
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+ * Use &removed as a sentinal pointer for duplicate
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+ * rdata as rdata.data == NULL is valid.
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+ */
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+ static unsigned char removed;
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struct xrdata *x;
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unsigned char *rawbuf;
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#if DNS_RDATASET_FIXED
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@@ -166,6 +171,7 @@ dns_rdataslab_fromrdataset(dns_rdataset_t *rdatase
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INSIST(result == ISC_R_SUCCESS);
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dns_rdata_init(&x[i].rdata);
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dns_rdataset_current(rdataset, &x[i].rdata);
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+ INSIST(x[i].rdata.data != &removed);
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#if DNS_RDATASET_FIXED
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x[i].order = i;
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#endif
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@@ -198,8 +204,7 @@ dns_rdataslab_fromrdataset(dns_rdataset_t *rdatase
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*/
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for (i = 1; i < nalloc; i++) {
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if (compare_rdata(&x[i-1].rdata, &x[i].rdata) == 0) {
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- x[i-1].rdata.data = NULL;
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- x[i-1].rdata.length = 0;
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+ x[i-1].rdata.data = &removed;
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#if DNS_RDATASET_FIXED
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/*
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* Preserve the least order so A, B, A -> A, B
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@@ -275,7 +280,7 @@ dns_rdataslab_fromrdataset(dns_rdataset_t *rdatase
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#endif
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for (i = 0; i < nalloc; i++) {
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- if (x[i].rdata.data == NULL)
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+ if (x[i].rdata.data == &removed)
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continue;
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#if DNS_RDATASET_FIXED
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offsettable[x[i].order] = rawbuf - offsetbase;
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