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Code Issues Releases Wiki Activity

Fix up the condition where buffers are expended

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This commit is contained in:
Michael Graff
1999-05-01 17:18:47 +00:00
parent 44aae046c3
commit b02262cbcd
2 changed files with 6 additions and 13 deletions
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4
bin/tests/wire_test.c
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@@ -369,10 +369,6 @@ main(int argc, char *argv[]) {
isc_mem_stats(mctx, stdout); isc_mem_stats(mctx, stdout);
for (i = 0 ; i < source.used ; i++)
printf("%02x%c ", b[i], (isprint(b[i]) ? b[i] : ' '));
printf("\n");
result = dns_message_create(mctx, &message, DNS_MESSAGE_INTENT_PARSE); result = dns_message_create(mctx, &message, DNS_MESSAGE_INTENT_PARSE);
CHECKRESULT(result, "dns_message_create failed"); CHECKRESULT(result, "dns_message_create failed");

15
lib/dns/message.c
View File

@@ -50,10 +50,10 @@
* of various block allocations used within the server. * of various block allocations used within the server.
*/ */
#define SCRATCHPAD_SIZE 512 #define SCRATCHPAD_SIZE 512
#define NAME_COUNT 16 #define NAME_COUNT 8
#define RDATA_COUNT 32 #define RDATA_COUNT 8
#define RDATALIST_COUNT 32 /* should match RDATASET_COUNT */ #define RDATALIST_COUNT 8
#define RDATASET_COUNT 32 #define RDATASET_COUNT RDATALIST_COUNT
/* /*
* "helper" type, which consists of a block of some type, and is linkable. * "helper" type, which consists of a block of some type, and is linkable.
@@ -188,7 +188,6 @@ newname(dns_message_t *msg)
if (msg->nextname != NULL) { if (msg->nextname != NULL) {
name = msg->nextname; name = msg->nextname;
msg->nextname = NULL; msg->nextname = NULL;
dns_name_init(name, NULL);
return (name); return (name);
} }
@@ -205,7 +204,6 @@ newname(dns_message_t *msg)
name = msgblock_get(msgblock, dns_name_t); name = msgblock_get(msgblock, dns_name_t);
} }
dns_name_init(name, NULL);
return (name); return (name);
} }
@@ -610,8 +608,6 @@ findtype(dns_rdataset_t **rdataset, dns_name_t *name, dns_rdatatype_t type)
/* /*
* Read a name from buffer "source". * Read a name from buffer "source".
*
* Assumes dns_name_init() was already called on this name.
*/ */
static dns_result_t static dns_result_t
getname(dns_name_t *name, isc_buffer_t *source, dns_message_t *msg, getname(dns_name_t *name, isc_buffer_t *source, dns_message_t *msg,
@@ -630,6 +626,7 @@ getname(dns_name_t *name, isc_buffer_t *source, dns_message_t *msg,
tries = 0; tries = 0;
while (tries < 2) { while (tries < 2) {
dns_name_init(name, NULL);
result = dns_name_fromwire(name, source, dctx, ISC_FALSE, result = dns_name_fromwire(name, source, dctx, ISC_FALSE,
scratch); scratch);
@@ -957,7 +954,7 @@ dns_message_parse(dns_message_t *msg, isc_buffer_t *source)
msg->opcode = ((tmpflags & DNS_MESSAGE_OPCODE_MASK) msg->opcode = ((tmpflags & DNS_MESSAGE_OPCODE_MASK)
>> DNS_MESSAGE_OPCODE_SHIFT); >> DNS_MESSAGE_OPCODE_SHIFT);
msg->rcode = (tmpflags & DNS_MESSAGE_RCODE_MASK); msg->rcode = (tmpflags & DNS_MESSAGE_RCODE_MASK);
msg->flags = (tmpflags & ~DNS_MESSAGE_FLAG_MASK); msg->flags = (tmpflags & DNS_MESSAGE_FLAG_MASK);
msg->counts[DNS_SECTION_QUESTION] = isc_buffer_getuint16(source); msg->counts[DNS_SECTION_QUESTION] = isc_buffer_getuint16(source);
msg->counts[DNS_SECTION_ANSWER] = isc_buffer_getuint16(source); msg->counts[DNS_SECTION_ANSWER] = isc_buffer_getuint16(source);
msg->counts[DNS_SECTION_AUTHORITY] = isc_buffer_getuint16(source); msg->counts[DNS_SECTION_AUTHORITY] = isc_buffer_getuint16(source);