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| author | Maxim Dounin <mdounin@mdounin.ru> | 2021-05-25 15:17:36 +0300 |
|---|---|---|
| committer | Maxim Dounin <mdounin@mdounin.ru> | 2021-05-25 15:17:36 +0300 |
| commit | 9f1dcb0c0473641730b871dee984016ff19d2c53 (patch) | |
| tree | 1238d8b9f276604027f1eff2b2e6a917f10bc962 | |
| parent | 41a241b3ef74dbbe3d82ab2ebbe682919e4a0b90 (diff) | |
| download | nginx-9f1dcb0c0473641730b871dee984016ff19d2c53.tar.gz nginx-9f1dcb0c0473641730b871dee984016ff19d2c53.tar.bz2 | |
Resolver: fixed off-by-one write in ngx_resolver_copy().
Reported by Luis Merino, Markus Vervier, Eric Sesterhenn, X41 D-Sec GmbH.
| -rw-r--r-- | src/core/ngx_resolver.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/core/ngx_resolver.c b/src/core/ngx_resolver.c index 793907010..63b26193d 100644 --- a/src/core/ngx_resolver.c +++ b/src/core/ngx_resolver.c @@ -4008,15 +4008,15 @@ done: 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) { |