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Remove query hashing in UDP DNS code path.

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Now we're always saving the query, this is no longer necessary,
and allows the removal of a lot of quite hairy code.

Much more code removal to come, once the TCP code path is also purged.
This commit is contained in:
Simon Kelley
2024-11-02 15:33:37 +00:00
parent 5d6399b71c
commit ed6d29a784
2 changed files with 91 additions and 119 deletions
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8
src/dnsmasq.h
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@@ -774,9 +774,8 @@ struct dyndir {
#define FREC_DO_QUESTION 64
#define FREC_ADDED_PHEADER 128
#define FREC_TEST_PKTSZ 256
#define FREC_HAS_EXTRADATA 512
#define FREC_HAS_PHEADER 1024
#define FREC_GONE_TO_TCP 2048
#define FREC_HAS_PHEADER 512
#define FREC_GONE_TO_TCP 1024
#define HASH_SIZE 32 /* SHA-256 digest size */
@@ -796,8 +795,7 @@ struct frec {
time_t time;
u32 forward_timestamp;
int forward_delay;
unsigned char *hash[HASH_SIZE];
struct blockdata *stash; /* Saved reply, whilst we validate */
struct blockdata *stash; /* saved query or saved reply, whilst we validate */
size_t stash_len;
#ifdef HAVE_DNSSEC
int uid, class, work_counter, validate_counter;