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comparison src/core/ngx_resolver.c @ 7858:7f702d35ac38 stable-1.20

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Resolver: fixed off-by-one write in ngx_resolver_copy(). Reported by Luis Merino, Markus Vervier, Eric Sesterhenn, X41 D-Sec GmbH.
author Maxim Dounin <mdounin@mdounin.ru>
date Tue, 25 May 2021 15:17:36 +0300
parents fdc3d40979b0
children a093dd4ce154
comparison
equal deleted inserted replaced
7857:76871d1340ea 7858:7f702d35ac38
4006 src = &buf[n]; 4006 src = &buf[n];
4007 4007
4008 n = *src++; 4008 n = *src++;
4009 4009
4010 } else { 4010 } else {
4011 if (dst != name->data) {
4012 *dst++ = '.';
4013 }
4014
4011 ngx_strlow(dst, src, n); 4015 ngx_strlow(dst, src, n);
4012 dst += n; 4016 dst += n;
4013 src += n; 4017 src += n;
4014 4018
4015 n = *src++; 4019 n = *src++;
4016
4017 if (n != 0) {
4018 *dst++ = '.';
4019 }
4020 } 4020 }
4021 4021
4022 if (n == 0) { 4022 if (n == 0) {
4023 name->len = dst - name->data; 4023 name->len = dst - name->data;
4024 return NGX_OK; 4024 return NGX_OK;