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Merge of r4919: fixed segfault on PUT in dav module. 

Dav: fixed segfault on PUT if body was already read (ticket #238).

If request body reading happens with different options it's possible
that there will be no r->request_body->temp_file available (or even
no r->request_body available if body was discarded).  Return internal
server error in this case instead of committing suicide by dereferencing
a null pointer.
This commit is contained in:
Maxim Dounin 2012-12-10 17:51:10 +00:00
parent ae14505582
commit 572153c4a4
1 changed files with 5 additions and 0 deletions
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5
src/http/modules/ngx_http_dav_module.c
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@ -209,6 +209,11 @@ ngx_http_dav_put_handler(ngx_http_request_t *r)
ngx_ext_rename_file_t ext;
ngx_http_dav_loc_conf_t *dlcf;
if (r->request_body == NULL || r->request_body->temp_file == NULL) {
ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
return;
}
ngx_http_map_uri_to_path(r, &path, &root, 0);
path.len--;