Bug #81400 [NEW]: Unterminated string in dns_get_record() results on Windows

From: cmb Operating system: Windows PHP version: 7.4Git-2021-08-30 (Git) Package: Network related Bug Type: Bug Bug description:Unterminated string in dns_get_record() results on Windows Description: ------------ On Windows, dns_get_record(…)[$i]["txt"] is always unterminated (if that element exists). This can lead to serious issues if that string is passed to some other functions. Test script: --------------- $result = dns_get_record("php.net", DNS_TXT); print_r($result[0]); Expected result: ---------------- Array ( [host] => php.net [class] => IN [ttl] => 300 [type] => TXT [txt] => v=spf1 ip4:72.52.91.12 ip6:2a02:cb41::8 ip4:140.211.15.143 ip4:208.43.231.12 ip4:45.112.84.5 ip4:142.93.197.176 ip6:2604:a880:400:d0::1c74:1001 ip6:2a02:cb43:8000::1102 ?all [entries] => Array ( [0] => v=spf1 ip4:72.52.91.12 ip6:2a02:cb41::8 ip4:140.211.15.143 ip4:208.43.231.12 ip4:45.112.84.5 ip4:142.93.197.176 ip6:2604:a880:400:d0::1c74:1001 ip6:2a02:cb43:8000::1102 ?all ) ) Actual result: -------------- Array ( [host] => php.net [class] => IN [ttl] => 300 [type] => TXT [txt] => v=spf1 ip4:72.52.91.12 ip6:2a02:cb41::8 ip4:140.211.15.143 ip4:208.43.231.12 ip4:45.112.84.5 ip4:142.93.197.176 ip6:2604:a880:400:d0::1c74:1001 ip6:2a02:cb43:8000::1102 ?all [entries] => Array ( [0] => v=spf1 ip4:72.52.91.12 ip6:2a02:cb41::8 ip4:140.211.15.143 ip4:208.43.231.12 ip4:45.112.84.5 ip4:142.93.197.176 ip6:2604:a880:400:d0::1c74:1001 ip6:2a02:cb43:8000::1102 ?all ) ) Warning: String is not zero-terminated (v=spf1 ip4:72.52.91.12 ip6:2a02:cb41::8 ip4:140.211.15.143 ip4:208.43.231.12 ip4:45.112.84.5 ip4:142.93.197.176 ip6:2604:a880:400:d0::1c74:1001 ip6:2a02:cb43:8000::1102 ?all) in Unknown on line 0 -- Edit bug report at https://bugs.php.net/bug.php?id=81400&edit=1 -- Fix committed: https://bugs.php.net/fix.php?id=81400&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=81400&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=81400&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=81400&r=needscript Try newer version: https://bugs.php.net/fix.php?id=81400&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=81400&r=support Expected behavior: https://bugs.php.net/fix.php?id=81400&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=81400&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=81400&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=81400&r=globals PHP version support discontinued: https://bugs.php.net/fix.php?id=81400&r=phptooold Daylight Savings: https://bugs.php.net/fix.php?id=81400&r=dst IIS Stability: https://bugs.php.net/fix.php?id=81400&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=81400&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=81400&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=81400&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=81400&r=mysqlcfg