Mercurial > hg > nginx
changeset 7849:2fd40ee19c20
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 | 1bde031b59ff |
children | a093dd4ce154 |
files | src/core/ngx_resolver.c |
diffstat | 1 files changed, 4 insertions(+), 4 deletions(-) [+] |
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--- a/src/core/ngx_resolver.c Mon May 24 21:55:20 2021 +0300 +++ b/src/core/ngx_resolver.c Tue May 25 15:17:36 2021 +0300 @@ -4008,15 +4008,15 @@ n = *src++; } else { + if (dst != name->data) { + *dst++ = '.'; + } + ngx_strlow(dst, src, n); dst += n; src += n; n = *src++; - - if (n != 0) { - *dst++ = '.'; - } } if (n == 0) {