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nginx: copies the req body chain to be processed instead of move

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Add a check for the definition MOVE_REQUEST_CHAIN_TO_MODSEC, whenever it is
set the chain will be moved into the brigade. If it was not set the chain
will be only copied. Moving was causing segfaults on the following
regression tests:

 #15 - SecRequestBodyInMemoryLimit
 #16 - SecRequestBodyInMemoryLimit (greater)
 #19 - SecRequestBodyLimitAction ProcessPartial (multipart/greater - chunked)
 (from: regression/config/10-request-directives.t)
This commit is contained in:
Felipe Zimmerle
2014-04-29 07:23:37 -07:00
parent e7760c4ef3
commit dfb8bdb77c
3 changed files with 113 additions and 31 deletions
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3
nginx/modsecurity/apr_bucket_nginx.h
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@@ -13,6 +13,9 @@ apr_bucket * apr_bucket_nginx_make(apr_bucket *e, ngx_buf_t *buf,
ngx_buf_t * apr_bucket_to_ngx_buf(apr_bucket *e, ngx_pool_t *pool);
ngx_int_t copy_chain_to_brigade(ngx_chain_t *chain_orig,
apr_bucket_brigade *bb, ngx_pool_t *pool, ngx_int_t last_buf);
ngx_int_t move_chain_to_brigade(ngx_chain_t *chain, apr_bucket_brigade *bb, ngx_pool_t *pool, ngx_int_t last_buf);
ngx_int_t move_brigade_to_chain(apr_bucket_brigade *bb, ngx_chain_t **chain, ngx_pool_t *pool);