Mercurial > hg > nginx-quic
comparison src/http/modules/ngx_http_rewrite_module.c @ 7606:db8df9cd84c8
Rewrite: disallow empty replacements.
While empty replacements were caught at run-time, parsing code
of the "rewrite" directive expects that a minimum length of the
"replacement" argument is 1.
author | Ruslan Ermilov <ru@nginx.com> |
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date | Mon, 16 Dec 2019 15:19:01 +0300 |
parents | b64adc956643 |
children |
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7605:02a539522be4 | 7606:db8df9cd84c8 |
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316 | 316 |
317 ngx_memzero(regex, sizeof(ngx_http_script_regex_code_t)); | 317 ngx_memzero(regex, sizeof(ngx_http_script_regex_code_t)); |
318 | 318 |
319 value = cf->args->elts; | 319 value = cf->args->elts; |
320 | 320 |
321 if (value[2].len == 0) { | |
322 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "empty replacement"); | |
323 return NGX_CONF_ERROR; | |
324 } | |
325 | |
321 ngx_memzero(&rc, sizeof(ngx_regex_compile_t)); | 326 ngx_memzero(&rc, sizeof(ngx_regex_compile_t)); |
322 | 327 |
323 rc.pattern = value[1]; | 328 rc.pattern = value[1]; |
324 rc.err.len = NGX_MAX_CONF_ERRSTR; | 329 rc.err.len = NGX_MAX_CONF_ERRSTR; |
325 rc.err.data = errstr; | 330 rc.err.data = errstr; |