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comparison src/http/modules/ngx_http_referer_module.c @ 5352:ec0be12c8e29

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Referer: fixed hostname buffer overflow check. Because of premature check the effective buffer size was 255 symbols while the buffer is able to handle 256.
author Valentin Bartenev <vbart@nginx.com>
date Thu, 29 Aug 2013 22:35:54 +0400
parents a2c772963b04
children 2cd019520210
comparison
equal deleted inserted replaced
5351:a2c772963b04 5352:ec0be12c8e29
176 for (p = ref; p < last; p++) { 176 for (p = ref; p < last; p++) {
177 if (*p == '/' || *p == ':') { 177 if (*p == '/' || *p == ':') {
178 break; 178 break;
179 } 179 }
180 180
181 if (i == 256) {
182 goto invalid;
183 }
184
181 buf[i] = ngx_tolower(*p); 185 buf[i] = ngx_tolower(*p);
182 key = ngx_hash(key, buf[i++]); 186 key = ngx_hash(key, buf[i++]);
183
184 if (i == 256) {
185 goto invalid;
186 }
187 } 187 }
188 188
189 uri = ngx_hash_find_combined(&rlcf->hash, key, buf, p - ref); 189 uri = ngx_hash_find_combined(&rlcf->hash, key, buf, p - ref);
190 190
191 if (uri) { 191 if (uri) {