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diff --git a/htp/htp_table.c b/htp/htp_table.c
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+/***************************************************************************
+ * Copyright (c) 2009-2010 Open Information Security Foundation
+ * Copyright (c) 2010-2013 Qualys, Inc.
+ * 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.
+
+ * - Neither the name of the Qualys, Inc. nor the names of its
+ * contributors may 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
+ * HOLDER 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.
+ ***************************************************************************/
+
+/**
+ * @file
+ * @author Ivan Ristic <ivanr@webkreator.com>
+ */
+
+#include "htp_config_auto.h"
+
+#include "htp_private.h"
+
+static htp_status_t _htp_table_add(htp_table_t *table, const bstr *key, const void *element) {
+ // Add key.
+ if (htp_list_add(&table->list, (void *)key) != HTP_OK) return HTP_ERROR;
+
+ // Add element.
+ if (htp_list_add(&table->list, (void *)element) != HTP_OK) {
+ htp_list_pop(&table->list);
+ return HTP_ERROR;
+ }
+
+ return HTP_OK;
+}
+
+htp_status_t htp_table_add(htp_table_t *table, const bstr *key, const void *element) {
+ if ((table == NULL)||(key == NULL)) return HTP_ERROR;
+
+ // Keep track of how keys are allocated, and
+ // ensure that all invocations are consistent.
+ if (table->alloc_type == HTP_TABLE_KEYS_ALLOC_UKNOWN) {
+ table->alloc_type = HTP_TABLE_KEYS_COPIED;
+ } else {
+ if (table->alloc_type != HTP_TABLE_KEYS_COPIED) {
+ #ifdef HTP_DEBUG
+ fprintf(stderr, "# Inconsistent key management strategy. Actual %d. Attempted %d.\n",
+ table->alloc_type, HTP_TABLE_KEYS_COPIED);
+ #endif
+
+ return HTP_ERROR;
+ }
+ }
+
+ bstr *dupkey = bstr_dup(key);
+ if (dupkey == NULL) return HTP_ERROR;
+
+ if (_htp_table_add(table, dupkey, element) != HTP_OK) {
+ bstr_free(dupkey);
+ return HTP_ERROR;
+ }
+
+ return HTP_OK;
+}
+
+htp_status_t htp_table_addn(htp_table_t *table, const bstr *key, const void *element) {
+ if ((table == NULL)||(key == NULL)) return HTP_ERROR;
+
+ // Keep track of how keys are allocated, and
+ // ensure that all invocations are consistent.
+ if (table->alloc_type == HTP_TABLE_KEYS_ALLOC_UKNOWN) {
+ table->alloc_type = HTP_TABLE_KEYS_ADOPTED;
+ } else {
+ if (table->alloc_type != HTP_TABLE_KEYS_ADOPTED) {
+ #ifdef HTP_DEBUG
+ fprintf(stderr, "# Inconsistent key management strategy. Actual %d. Attempted %d.\n",
+ table->alloc_type, HTP_TABLE_KEYS_ADOPTED);
+ #endif
+
+ return HTP_ERROR;
+ }
+ }
+
+ return _htp_table_add(table, key, element);
+}
+
+htp_status_t htp_table_addk(htp_table_t *table, const bstr *key, const void *element) {
+ if ((table == NULL)||(key == NULL)) return HTP_ERROR;
+
+ // Keep track of how keys are allocated, and
+ // ensure that all invocations are consistent.
+ if (table->alloc_type == HTP_TABLE_KEYS_ALLOC_UKNOWN) {
+ table->alloc_type = HTP_TABLE_KEYS_REFERENCED;
+ } else {
+ if (table->alloc_type != HTP_TABLE_KEYS_REFERENCED) {
+ #ifdef HTP_DEBUG
+ fprintf(stderr, "# Inconsistent key management strategy. Actual %d. Attempted %d.\n",
+ table->alloc_type, HTP_TABLE_KEYS_REFERENCED);
+ #endif
+
+ return HTP_ERROR;
+ }
+ }
+
+ return _htp_table_add(table, key, element);
+}
+
+void htp_table_clear(htp_table_t *table) {
+ if (table == NULL) return;
+
+ // Free the table keys, but only if we're managing them.
+ if ((table->alloc_type == HTP_TABLE_KEYS_COPIED)||(table->alloc_type == HTP_TABLE_KEYS_ADOPTED)) {
+ bstr *key = NULL;
+ for (size_t i = 0, n = htp_list_size(&table->list); i < n; i += 2) {
+ key = htp_list_get(&table->list, i);
+ bstr_free(key);
+ }
+ }
+
+ htp_list_clear(&table->list);
+}
+
+void htp_table_clear_ex(htp_table_t *table) {
+ if (table == NULL) return;
+
+ // This function does not free table keys.
+
+ htp_list_clear(&table->list);
+}
+
+htp_table_t *htp_table_create(size_t size) {
+ if (size == 0) return NULL;
+
+ htp_table_t *table = calloc(1, sizeof (htp_table_t));
+ if (table == NULL) return NULL;
+
+ table->alloc_type = HTP_TABLE_KEYS_ALLOC_UKNOWN;
+
+ // Use a list behind the scenes.
+ if (htp_list_init(&table->list, size * 2) == HTP_ERROR) {
+ free(table);
+ return NULL;
+ }
+
+ return table;
+}
+
+void htp_table_destroy(htp_table_t *table) {
+ if (table == NULL) return;
+
+ htp_table_clear(table);
+
+ htp_list_array_release(&table->list);
+
+ free(table);
+}
+
+void htp_table_destroy_ex(htp_table_t *table) {
+ if (table == NULL) return;
+
+ // Change allocation strategy in order to
+ // prevent the keys from being freed.
+ table->alloc_type = HTP_TABLE_KEYS_REFERENCED;
+
+ htp_table_destroy(table);
+}
+
+void *htp_table_get(const htp_table_t *table, const bstr *key) {
+ if ((table == NULL)||(key == NULL)) return NULL;
+
+ // Iterate through the list, comparing
+ // keys with the parameter, return data if found.
+ for (size_t i = 0, n = htp_list_size(&table->list); i < n; i += 2) {
+ bstr *key_candidate = htp_list_get(&table->list, i);
+ void *element = htp_list_get(&table->list, i + 1);
+ if (bstr_cmp_nocase(key_candidate, key) == 0) {
+ return element;
+ }
+ }
+
+ return NULL;
+}
+
+void *htp_table_get_c(const htp_table_t *table, const char *ckey) {
+ if ((table == NULL)||(ckey == NULL)) return NULL;
+
+ // Iterate through the list, comparing
+ // keys with the parameter, return data if found.
+ for (size_t i = 0, n = htp_list_size(&table->list); i < n; i += 2) {
+ bstr *key_candidate = htp_list_get(&table->list, i);
+ void *element = htp_list_get(&table->list, i + 1);
+ if (bstr_cmp_c_nocasenorzero(key_candidate, ckey) == 0) {
+ return element;
+ }
+ }
+
+ return NULL;
+}
+
+void *htp_table_get_index(const htp_table_t *table, size_t idx, bstr **key) {
+ if (table == NULL) return NULL;
+
+ if (idx >= htp_list_size(&table->list)) return NULL;
+
+ if (key != NULL) {
+ *key = htp_list_get(&table->list, idx * 2);
+ }
+
+ return htp_list_get(&table->list, (idx * 2) + 1);
+}
+
+void *htp_table_get_mem(const htp_table_t *table, const void *key, size_t key_len) {
+ if ((table == NULL)||(key == NULL)) return NULL;
+
+ // Iterate through the list, comparing
+ // keys with the parameter, return data if found.
+ for (size_t i = 0, n = htp_list_size(&table->list); i < n; i += 2) {
+ bstr *key_candidate = htp_list_get(&table->list, i);
+ void *element = htp_list_get(&table->list, i + 1);
+ if (bstr_cmp_mem_nocase(key_candidate, key, key_len) == 0) {
+ return element;
+ }
+ }
+
+ return NULL;
+}
+
+size_t htp_table_size(const htp_table_t *table) {
+ if (table == NULL) return 0;
+ return htp_list_size(&table->list) / 2;
+}