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| author | Glenn Strauss <gstrauss@gluelogic.com> | 2021-05-14 02:40:22 -0400 |
|---|---|---|
| committer | Glenn Strauss <gstrauss@gluelogic.com> | 2021-05-14 03:43:18 -0400 |
| commit | 1ce82209473ff403d3fdc08e0202382af2d55e95 (patch) | |
| tree | b9da7bd2dd59990937fc22bed9d4aa25cb6f788b /src/http_chunk.c | |
| parent | f0da8dd910c3eff08bc0fb62a3bf0666187e9ee5 (diff) | |
| download | lighttpd-git-1ce82209473ff403d3fdc08e0202382af2d55e95.tar.gz | |
[core] range chk http_chunk_append_file_ref_range
add range sanity check in http_chunk_append_file_ref_range()
(before potentially sending HTTP/1.1 chunked header)
Diffstat (limited to 'src/http_chunk.c')
| -rw-r--r-- | src/http_chunk.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/http_chunk.c b/src/http_chunk.c index 44e56a03..f4916f94 100644 --- a/src/http_chunk.c +++ b/src/http_chunk.c @@ -92,9 +92,14 @@ static int http_chunk_append_read_fd_range(request_st * const r, const buffer * return (rd >= 0) ? 0 : -1; } -void http_chunk_append_file_ref_range(request_st * const r, stat_cache_entry * const sce, const off_t offset, const off_t len) { +void http_chunk_append_file_ref_range(request_st * const r, stat_cache_entry * const sce, const off_t offset, off_t len) { chunkqueue * const cq = &r->write_queue; + if (sce->st.st_size - offset < len) + len = sce->st.st_size - offset; + if (len <= 0) + return; + if (r->resp_send_chunked) http_chunk_len_append(cq, (uintmax_t)len); |