X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=libmemcached%2Fkey.cc;h=cec0eece64400e83d3645234bca3bbc3e53e29ed;hb=4952d9d842e9c13eace3a986bf748001d5d6852d;hp=c2c2b14ba4f37255fc027e2adb34802813627711;hpb=ae6bc7501efd5aeaaee92dabe2da0ec2d1625c5b;p=awesomized%2Flibmemcached diff --git a/libmemcached/key.cc b/libmemcached/key.cc index c2c2b14b..cec0eece 100644 --- a/libmemcached/key.cc +++ b/libmemcached/key.cc @@ -1,20 +1,108 @@ -#include "common.h" +/* vim:expandtab:shiftwidth=2:tabstop=2:smarttab: + * + * Libmemcached library + * + * Copyright (C) 2011 Data Differential, http://datadifferential.com/ + * Copyright (C) 2006-2009 Brian Aker All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * + * * The names of its contributors may not be used to endorse or + * promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ -memcached_return_t memcached_key_test(const char * const *keys, +#include + +static inline memcached_return_t memcached_validate_key_length(size_t key_length, bool) +{ + if (key_length == 0) + { + return MEMCACHED_BAD_KEY_PROVIDED; + } + + // No one ever reimplemented MEMCACHED to use keys longer then the original ascii length +#if 0 + if (binary) + { + if (key_length > 0xffff) + { + return MEMCACHED_BAD_KEY_PROVIDED; + } + } + else +#endif + { + if (key_length >= MEMCACHED_MAX_KEY) + { + return MEMCACHED_BAD_KEY_PROVIDED; + } + } + + return MEMCACHED_SUCCESS; +} + +memcached_return_t memcached_key_test(memcached_st &memc, + const char * const *keys, const size_t *key_length, size_t number_of_keys) { - for (uint32_t x= 0; x < number_of_keys; x++) + if (number_of_keys == 0) { - memcached_return_t rc; - rc= memcached_validate_key_length(*(key_length + x), false); - if (rc != MEMCACHED_SUCCESS) - return rc; - - for (size_t y= 0; y < *(key_length + x); y++) + return memcached_set_error(memc, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT, memcached_literal_param("Numbers of keys provided was zero")); + } + + if (keys == NULL or key_length == NULL) + { + return memcached_set_error(memc, MEMCACHED_BAD_KEY_PROVIDED, MEMCACHED_AT, memcached_literal_param("Key was NULL or length of key was zero.")); + } + + const bool is_binary= memcached_flag(memc, MEMCACHED_FLAG_BINARY_PROTOCOL); + + // If we don't need to verify the key, or we are using the binary protoocol, + // we just check the size of the key + for (size_t x= 0; x < number_of_keys; ++x) + { + // We should set binary key, but the memcached server is broken for + // longer keys at the moment. + memcached_return_t rc= memcached_validate_key_length(*(key_length +x), false /* memc.flags.binary_protocol */); + if (memcached_failed(rc)) + { + return memcached_set_error(memc, rc, MEMCACHED_AT, memcached_literal_param("Key provided was too long.")); + } + + if (memc.flags.verify_key and is_binary == false) { - if ((isgraph(keys[x][y])) == 0) - return MEMCACHED_BAD_KEY_PROVIDED; + for (size_t y= 0; y < *(key_length +x); ++y) + { + if ((isgraph(keys[x][y])) == 0) + { + return memcached_set_error(memc, MEMCACHED_BAD_KEY_PROVIDED, MEMCACHED_AT, memcached_literal_param("Key provided had invalid character.")); + } + } } }