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doh: reduce the DNS request buffer size

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No point in having it larger than the largest allowed request size.

Also removed a no longer used struct.

Closes #17087
This commit is contained in:
Daniel Stenberg 2025-04-17 17:54:59 +02:00
parent d6c8907864
commit 834836dc14
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2 changed files with 5 additions and 11 deletions
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lib/doh.c
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@ -115,7 +115,7 @@ UNITTEST DOHcode doh_req_encode(const char *host,
if(host[hostlen-1]!='.')
expected_len++;
if(expected_len > (256 + 16)) /* RFCs 1034, 1035 */
if(expected_len > DOH_MAX_DNSREQ_SIZE)
return DOH_DNS_NAME_TOO_LONG;
if(len < expected_len)