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https-connect, fix httpsrr target check

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The HTTPSRR check on the record's target was not working as it used the
wrong index on the NUL byte if the target was not NULL.

Fixes #16966
Reported-by: Pavel Kropachev
Closes #16968
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Stefan Eissing 2025-04-04 18:10:28 +02:00 • committed by Daniel Stenberg
parent 0e9f2c41b6
commit 4f3c22d77d
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lib/cf-https-connect.c
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@ -673,7 +673,7 @@ CURLcode Curl_cf_https_setup(struct Curl_easy *data,
(!conn->dns_entry->hinfo->target || /* for same host */
!conn->dns_entry->hinfo->target[0] ||
(conn->dns_entry->hinfo->target[0] == '.' &&
!conn->dns_entry->hinfo->target[0])) &&
!conn->dns_entry->hinfo->target[1])) &&
(conn->dns_entry->hinfo->port < 0 || /* for same port */
conn->dns_entry->hinfo->port == conn->remote_port)) {
size_t i;