kopia lustrzana https://github.com/espressif/esp-idf
lwip: Update AFL host test mock
This commit updates and refactors the AFL host test mock as follows: - Isolates the mock so that it only relies on lwip component and linux stdlib headers - Grouped all mock functions in 'esp32_mock.h/c' - Updates the lwip esp32 port files to include 'esp32_mock.h' when building for linux - Use host stdlib headers instead of xtensa stdlib headerspull/8968/head
Darian Leung
rodzic
4e4f20d82a
commit
e08d574a5d
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@ -37,10 +37,15 @@
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#include "lwip/def.h"
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#include "lwip/sys.h"
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#include "lwip/mem.h"
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#include "arch/sys_arch.h"
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#include "lwip/stats.h"
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#include "arch/sys_arch.h"
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#include "arch/vfs_lwip.h"
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#ifdef __linux__
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#include "esp32_mock.h"
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#else // __linux__
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#include "esp_log.h"
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#include "esp_compiler.h"
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#endif // __linux__
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static const char* TAG = "lwip_arch";
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@ -33,11 +33,14 @@
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#ifndef __SYS_ARCH_H__
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#define __SYS_ARCH_H__
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#ifdef __linux__
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#include "esp32_mock.h"
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#else
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "freertos/queue.h"
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#include "freertos/semphr.h"
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#include "arch/vfs_lwip.h"
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#endif // __linux__
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#ifdef __cplusplus
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extern "C" {
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@ -8,17 +8,22 @@
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#ifndef LWIP_HDR_ESP_LWIPOPTS_H
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#define LWIP_HDR_ESP_LWIPOPTS_H
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#include <stdlib.h>
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#include "sdkconfig.h"
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#include <string.h> // For memcpy
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#include <stdlib.h> // For malloc/free
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#include <unistd.h>
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#include <sys/fcntl.h>
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#include <sys/ioctl.h>
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#include <sys/types.h>
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#include <sys/select.h>
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#include "esp_task.h"
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#include "esp_random.h"
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#include "sdkconfig.h"
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#include "netif/dhcp_state.h"
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#include "sntp/sntp_get_set_time.h"
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#ifdef __linux__
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#include "esp32_mock.h"
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#else
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#include "esp_task.h"
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#include "esp_random.h"
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#endif // __linux__
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/*
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@ -1,35 +1,72 @@
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COMPONENTS_DIR=../..
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COMPILER_ICLUDE_DIR=$(shell echo `which xtensa-esp32-elf-gcc | xargs dirname | xargs dirname`/xtensa-esp32-elf)
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CFLAGS=-std=gnu99 -Og -ggdb -ffunction-sections -fdata-sections -nostdlib -Wall -Werror=all -Wno-int-to-pointer-cast -Wno-error=unused-function -Wno-error=unused-variable -Wno-error=deprecated-declarations -Wno-macro-redefined -Wno-constant-conversion -Wno-incompatible-pointer-types-discards-qualifiers -Wno-typedef-redefinition -Wno-incompatible-pointer-types -Wextra \
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-Wno-unused-parameter -Wno-sign-compare -Wno-address -Wno-unused-variable -DESP_PLATFORM -D IDF_VER=\"v3.1\" -MMD -MP -DWITH_POSIX -DLWIP_NO_CTYPE_H=1
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INC_DIRS=-I . -I ./build/config -I $(COMPONENTS_DIR)/newlib/platform_include -I $(COMPONENTS_DIR)/newlib/include -I $(COMPONENTS_DIR)/driver/include -I $(COMPONENTS_DIR)/esp32/include -I $(COMPONENTS_DIR)/ethernet/include -I $(COMPONENTS_DIR)/freertos/esp_additions/include -I $(COMPONENTS_DIR)/freertos/esp_additions/include/freertos -I $(COMPONENTS_DIR)/freertos/FreeRTOS-Kernel/include -I $(COMPONENTS_DIR)/heap/include -I $(COMPONENTS_DIR)/lwip/lwip/src/include -I $(COMPONENTS_DIR)/lwip/include/apps -I $(COMPONENTS_DIR)/lwip/lwip/src/include/netif -I $(COMPONENTS_DIR)/lwip/lwip/src/include/posix -I $(COMPONENTS_DIR)/lwip/port/esp32/include -I $(COMPONENTS_DIR)/lwip/lwip/src/include/posix -I $(COMPONENTS_DIR)/lwip/include/apps/ping -I $(COMPONENTS_DIR)/lwip/include/apps/sntp -I $(COMPONENTS_DIR)/soc/esp32/include -I $(COMPONENTS_DIR)/soc/include -I $(COMPONENTS_DIR)/esp_rom/include -I $(COMPONENTS_DIR)/esp_common/include -I $(COMPONENTS_DIR)/esp_hw_support/include -I $(COMPONENTS_DIR)/xtensa/include -I $(COMPONENTS_DIR)/xtensa/esp32/include -I $(COMPONENTS_DIR)/esp_wifi/include -I $(COMPONENTS_DIR)/esp_event/include -I $(COMPONENTS_DIR)/freertos/FreeRTOS-Kernel/portable/xtensa/include -I $(COMPONENTS_DIR)/esp_system/include -I $(COMPONENTS_DIR)/esp_timer/include -I $(COMPONENTS_DIR)/soc/include -I $(COMPONENTS_DIR)/soc/include -I $(COMPONENTS_DIR)/soc/src/esp32/include -I $(COMPONENTS_DIR)/soc/esp32/include -I $(COMPONENTS_DIR)/esp_netif/include -I $(COMPONENTS_DIR)/esp_eth/include -I $(COMPONENTS_DIR)/esp_netif/lwip -I $(COMPONENTS_DIR)/hal/include -I $(COMPONENTS_DIR)/hal/esp32/include -I $(COMPILER_ICLUDE_DIR)/include -I $(COMPONENTS_DIR)/bootloader_support/include
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LWIP_COMPONENT_DIR=../
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CFLAGS=-D IDF_VER=\"v3.1\" \
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-DESP_PLATFORM \
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-DLWIP_NO_CTYPE_H=1 \
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-DWITH_POSIX \
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-fdata-sections \
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-ffunction-sections \
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-ggdb \
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-MMD \
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-MP \
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-nostdlib \
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-Og \
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-std=gnu99 \
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-Wall \
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-Werror=all \
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-Wextra \
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-Wno-address \
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-Wno-constant-conversion \
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-Wno-error=deprecated-declarations \
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-Wno-error=unused-function \
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-Wno-error=unused-variable \
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-Wno-incompatible-pointer-types \
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-Wno-incompatible-pointer-types-discards-qualifiers \
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-Wno-int-to-pointer-cast \
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-Wno-macro-redefined \
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-Wno-sign-compare \
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-Wno-typedef-redefinition \
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-Wno-unused-parameter \
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-Wno-unused-variable
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INC_DIRS=-I . \
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-I ./build/config \
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-I $(LWIP_COMPONENT_DIR)/include/apps \
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-I $(LWIP_COMPONENT_DIR)/include/apps/ping \
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-I $(LWIP_COMPONENT_DIR)/include/apps/sntp \
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-I $(LWIP_COMPONENT_DIR)/lwip/src/include \
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-I $(LWIP_COMPONENT_DIR)/lwip/src/include/netif \
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-I $(LWIP_COMPONENT_DIR)/lwip/src/include/posix \
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-I $(LWIP_COMPONENT_DIR)/lwip/src/include/posix \
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-I $(LWIP_COMPONENT_DIR)/port/esp32/include
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TEST_NAME=test
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FUZZ=afl-fuzz
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GEN_CFG=generate_config
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LD=$(CC)
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ifeq ($(MODE),dhcp_client)
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DEPENDENCY_INJECTION=-include dhcp_di.h
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OBJECTS=dhcp.o def.o network_mock.o test_dhcp_client.o
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SAMPLE_PACKETS=in_dhcp_client
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DEPENDENCY_INJECTION=-include dhcp_di.h
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OBJECTS=dhcp.o def.o esp32_mock.o test_dhcp_client.o
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SAMPLE_PACKETS=in_dhcp_client
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else ifeq ($(MODE),dhcp_server)
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DEPENDENCY_INJECTION=-include dhcpserver_di.h
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OBJECTS=dhcpserver.o def.o test_dhcp_server.o network_mock.o esp_netif_loopback_mock.o
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SAMPLE_PACKETS=in_dhcp_server
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DEPENDENCY_INJECTION=-include dhcpserver_di.h
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OBJECTS=dhcpserver.o def.o esp32_mock.o test_dhcp_server.o
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SAMPLE_PACKETS=in_dhcp_server
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else ifeq ($(MODE),dns)
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CFLAGS+=-DNOT_MOCK_DNS
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DEPENDENCY_INJECTION=-include dns_di.h
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OBJECTS=dns.o def.o test_dns.o network_mock.o
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SAMPLE_PACKETS=in_dns
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CFLAGS+=-DNOT_MOCK_DNS
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DEPENDENCY_INJECTION=-include dns_di.h
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OBJECTS=dns.o def.o esp32_mock.o test_dns.o
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SAMPLE_PACKETS=in_dns
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else
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$(error Please specify MODE: dhcp_server, dhcp_client, dns)
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$(error Please specify MODE: dhcp_server, dhcp_client, dns)
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endif
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ifeq ($(INSTR),off)
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CC=gcc
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CFLAGS+=-DINSTR_IS_OFF
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TEST_NAME=test_sim
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CC=gcc
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CFLAGS+=-DINSTR_IS_OFF
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TEST_NAME=test_sim
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else
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CC=afl-clang-fast
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CC=afl-clang-fast
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endif
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CFLAGS+=$(INC_DIRS)
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@ -1,86 +1,96 @@
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#include "no_warn_host.h"
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/*
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* SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <stdint.h>
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#include <string.h>
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#include <stdlib.h>
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#ifndef NOT_MOCK_DNS
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#include "lwip/dns.h"
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#endif
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#include "lwip/etharp.h"
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#include "lwip/mem.h"
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#include "lwip/netif.h"
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#include "lwip/opt.h"
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#include "lwip/pbuf.h"
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#include "lwip/udp.h"
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#include "esp_netif.h"
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#include "lwip/timeouts.h"
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#include <string.h>
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#include "lwip/udp.h"
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#include "lwip/timeouts.h"
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#include "esp32_mock.h"
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#include "no_warn_host.h"
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#define ESP_OK 0
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/* ---------------------------------------------------- Variables ------------------------------------------------------
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*
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* ------------------------------------------------------------------------------------------------------------------ */
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// -------------------- LWIP Globals -----------------------
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// ip_addr.h
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const ip_addr_t ip_addr_any;
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const ip_addr_t ip_addr_broadcast;
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const ip_addr_t ip_addr_any_type;
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// ip.h
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struct ip_globals ip_data;
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// netif.h
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struct netif *netif_list;
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struct udp_pcb mock_pcb;
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// ---------------- AFL Host Test Globals ------------------
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// dns_di.h
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uint32_t g_random_numbers[8] = {0};
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uint32_t g_random_numbers_cnt = 0;
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// ----------------------- Locals --------------------------
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struct pbuf* pbuf_skip(struct pbuf* in, u16_t in_offset, u16_t* out_offset)
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struct udp_pcb mock_pcb;
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/* ---------------------------------------------------- LWIP Mock ------------------------------------------------------
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*
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* ------------------------------------------------------------------------------------------------------------------ */
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// --------------------- lwip/dns.h ------------------------
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#ifndef NOT_MOCK_DNS
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void dns_setserver(u8_t numdns, const ip_addr_t *dnsserver)
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{
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u16_t offset_left = in_offset;
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struct pbuf* q = in;
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}
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#endif
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/* get the correct pbuf */
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while ((q != NULL) && (q->len <= offset_left)) {
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offset_left -= q->len;
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q = q->next;
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}
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if (out_offset != NULL) {
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*out_offset = offset_left;
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}
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return q;
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// -------------------- lwip/etharp.h ----------------------
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err_t etharp_query(struct netif *netif, const ip4_addr_t *ipaddr, struct pbuf *q)
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{
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return ESP_OK;
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}
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int pbuf_try_get_at(const struct pbuf* p, u16_t offset)
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{
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u16_t q_idx;
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struct pbuf* q = pbuf_skip(p, offset, &q_idx);
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// --------------------- lwip/mem.h ------------------------
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/* return requested data if pbuf is OK */
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if ((q != NULL) && (q->len > q_idx)) {
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return ((u8_t*)q->payload)[q_idx];
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}
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return -1;
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void * mem_malloc(mem_size_t size)
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{
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return malloc(size);
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}
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void pbuf_put_at(struct pbuf* p, u16_t offset, u8_t data)
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void * mem_calloc(size_t nr, mem_size_t size)
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{
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u16_t q_idx;
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struct pbuf* q = pbuf_skip(p, offset, &q_idx);
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/* write requested data if pbuf is OK */
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if ((q != NULL) && (q->len > q_idx)) {
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((u8_t*)q->payload)[q_idx] = data;
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}
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return calloc(nr, size);
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}
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u8_t pbuf_get_at(const struct pbuf* p, u16_t offset)
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void mem_free(void *rmem)
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{
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u16_t q_idx;
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struct pbuf* q = pbuf_skip(p, offset, &q_idx);
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/* return requested data if pbuf is OK */
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if ((q != NULL) && (q->len > q_idx)) {
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return ((u8_t*)q->payload)[q_idx];
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}
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return 0;
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free(rmem);
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}
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err_t pbuf_take(struct pbuf *buf, const void *dataptr, u16_t len)
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// -------------------- lwip/netif.h -----------------------
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void netif_set_addr(struct netif *netif, const ip4_addr_t *ipaddr, const ip4_addr_t *netmask,
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const ip4_addr_t *gw)
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{
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return ERR_OK;
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}
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err_t pbuf_take_at(struct pbuf *buf, const void *dataptr, u16_t len, u16_t offset)
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{
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return ERR_OK;
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}
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struct udp_pcb * udp_new_ip_type(u8_t type)
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{
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return &mock_pcb;
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}
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// --------------------- lwip/pbuf.h -----------------------
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struct pbuf * pbuf_alloc(pbuf_layer layer, u16_t length, pbuf_type type)
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{
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@ -94,6 +104,18 @@ struct pbuf * pbuf_alloc(pbuf_layer layer, u16_t length, pbuf_type type)
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return p;
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}
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void pbuf_realloc(struct pbuf *p, u16_t size)
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{
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if (p != NULL)
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{
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uint8_t *buf = malloc(size);
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free(p->payload);
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p->payload = buf;
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p->len = size;
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p->tot_len = size;
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}
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}
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u8_t pbuf_free(struct pbuf *p)
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{
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if (p) {
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@ -107,71 +129,6 @@ u8_t pbuf_free(struct pbuf *p)
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return 1;
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}
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err_t udp_sendto(struct udp_pcb *pcb, struct pbuf *p, const ip_addr_t *dst_ip, u16_t dst_port)
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{
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return ESP_OK;
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}
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void udp_remove(struct udp_pcb *pcb)
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{
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if (pcb == NULL)
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{
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free(pcb);
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}
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}
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struct udp_pcb *udp_new(void)
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{
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return malloc(sizeof(struct udp_pcb));
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}
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err_t udp_bind(struct udp_pcb *pcb, const ip_addr_t *ipaddr, u16_t port)
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{
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return ESP_OK;
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}
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void udp_recv(struct udp_pcb *pcb, udp_recv_fn recv, void *recv_arg)
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{
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}
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void udp_disconnect(struct udp_pcb *pcb)
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{
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}
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#ifndef NOT_MOCK_DNS
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void dns_setserver(u8_t numdns, const ip_addr_t *dnsserver)
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{
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}
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#endif
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uint32_t esp_random(void)
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{
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// Preparation for injecting favorable random numbers
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return g_random_numbers[g_random_numbers_cnt++ % 8];
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}
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err_t etharp_query(struct netif *netif, const ip4_addr_t *ipaddr, struct pbuf *q)
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{
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return ESP_OK;
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}
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void netif_set_addr(struct netif *netif, const ip4_addr_t *ipaddr, const ip4_addr_t *netmask,
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const ip4_addr_t *gw)
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{
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}
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void pbuf_realloc(struct pbuf *p, u16_t size)
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{
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if (p != NULL)
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{
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uint8_t *buf = malloc(size);
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free(p->payload);
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p->payload = buf;
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p->len = size;
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p->tot_len = size;
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}
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}
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u16_t pbuf_copy_partial(const struct pbuf *buf, void *dataptr, u16_t len, u16_t offset)
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{
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struct pbuf *p;
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@ -209,11 +166,120 @@ u16_t pbuf_copy_partial(const struct pbuf *buf, void *dataptr, u16_t len, u16_t
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return copied_total;
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}
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err_t pbuf_take(struct pbuf *buf, const void *dataptr, u16_t len)
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{
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return ERR_OK;
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}
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err_t pbuf_take_at(struct pbuf *buf, const void *dataptr, u16_t len, u16_t offset)
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{
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return ERR_OK;
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}
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|
||||
struct pbuf* pbuf_skip(struct pbuf* in, u16_t in_offset, u16_t* out_offset)
|
||||
{
|
||||
u16_t offset_left = in_offset;
|
||||
struct pbuf* q = in;
|
||||
|
||||
/* get the correct pbuf */
|
||||
while ((q != NULL) && (q->len <= offset_left)) {
|
||||
offset_left -= q->len;
|
||||
q = q->next;
|
||||
}
|
||||
if (out_offset != NULL) {
|
||||
*out_offset = offset_left;
|
||||
}
|
||||
return q;
|
||||
}
|
||||
|
||||
u8_t pbuf_get_at(const struct pbuf* p, u16_t offset)
|
||||
{
|
||||
u16_t q_idx;
|
||||
struct pbuf* q = pbuf_skip(p, offset, &q_idx);
|
||||
|
||||
/* return requested data if pbuf is OK */
|
||||
if ((q != NULL) && (q->len > q_idx)) {
|
||||
return ((u8_t*)q->payload)[q_idx];
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
int pbuf_try_get_at(const struct pbuf* p, u16_t offset)
|
||||
{
|
||||
u16_t q_idx;
|
||||
struct pbuf* q = pbuf_skip(p, offset, &q_idx);
|
||||
|
||||
/* return requested data if pbuf is OK */
|
||||
if ((q != NULL) && (q->len > q_idx)) {
|
||||
return ((u8_t*)q->payload)[q_idx];
|
||||
}
|
||||
return -1;
|
||||
}
|
||||
|
||||
void pbuf_put_at(struct pbuf* p, u16_t offset, u8_t data)
|
||||
{
|
||||
u16_t q_idx;
|
||||
struct pbuf* q = pbuf_skip(p, offset, &q_idx);
|
||||
|
||||
/* write requested data if pbuf is OK */
|
||||
if ((q != NULL) && (q->len > q_idx)) {
|
||||
((u8_t*)q->payload)[q_idx] = data;
|
||||
}
|
||||
}
|
||||
|
||||
// ------------------- lwip/timeouts.h ---------------------
|
||||
|
||||
void sys_timeout(u32_t msecs, sys_timeout_handler handler, void *arg)
|
||||
{
|
||||
}
|
||||
|
||||
void sys_untimeout(sys_timeout_handler handler, void *arg)
|
||||
{
|
||||
}
|
||||
|
||||
// --------------------- lwip/udp.h ------------------------
|
||||
|
||||
struct udp_pcb *udp_new(void)
|
||||
{
|
||||
return malloc(sizeof(struct udp_pcb));
|
||||
}
|
||||
|
||||
struct udp_pcb * udp_new_ip_type(u8_t type)
|
||||
{
|
||||
return &mock_pcb;
|
||||
}
|
||||
|
||||
void udp_remove(struct udp_pcb *pcb)
|
||||
{
|
||||
if (pcb == NULL)
|
||||
{
|
||||
free(pcb);
|
||||
}
|
||||
}
|
||||
|
||||
err_t udp_bind(struct udp_pcb *pcb, const ip_addr_t *ipaddr, u16_t port)
|
||||
{
|
||||
return ESP_OK;
|
||||
}
|
||||
|
||||
err_t udp_connect(struct udp_pcb *pcb, const ip_addr_t *ipaddr, u16_t port)
|
||||
{
|
||||
return ESP_OK;
|
||||
}
|
||||
|
||||
err_t udp_sendto(struct udp_pcb *pcb, struct pbuf *p, const ip_addr_t *dst_ip, u16_t dst_port)
|
||||
{
|
||||
return ESP_OK;
|
||||
}
|
||||
|
||||
void udp_disconnect(struct udp_pcb *pcb)
|
||||
{
|
||||
}
|
||||
|
||||
void udp_recv(struct udp_pcb *pcb, udp_recv_fn recv, void *recv_arg)
|
||||
{
|
||||
}
|
||||
|
||||
err_t udp_sendto_if(struct udp_pcb *pcb, struct pbuf *p, const ip_addr_t *dst_ip, u16_t dst_port, struct netif *netif)
|
||||
{
|
||||
return ESP_OK;
|
||||
|
|
@ -224,25 +290,14 @@ err_t udp_sendto_if_src(struct udp_pcb *pcb, struct pbuf *p, const ip_addr_t *ds
|
|||
return ESP_OK;
|
||||
}
|
||||
|
||||
void * mem_malloc(mem_size_t size)
|
||||
{
|
||||
return malloc(size);
|
||||
}
|
||||
/* ------------------------------------------------- ESP32 Port Mock ---------------------------------------------------
|
||||
*
|
||||
* ------------------------------------------------------------------------------------------------------------------ */
|
||||
|
||||
void * mem_calloc(size_t nr, mem_size_t size)
|
||||
{
|
||||
return calloc(nr, size);
|
||||
}
|
||||
// --------------------- lwipopts.h ------------------------
|
||||
|
||||
void mem_free(void *rmem)
|
||||
{
|
||||
free(rmem);
|
||||
}
|
||||
|
||||
void sys_timeout(u32_t msecs, sys_timeout_handler handler, void *arg)
|
||||
{
|
||||
}
|
||||
|
||||
void sys_untimeout(sys_timeout_handler handler, void *arg)
|
||||
uint32_t esp_random(void)
|
||||
{
|
||||
// Preparation for injecting favorable random numbers
|
||||
return g_random_numbers[g_random_numbers_cnt++ % 8];
|
||||
}
|
||||
|
|
@ -0,0 +1,35 @@
|
|||
/*
|
||||
* SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
|
||||
*
|
||||
* SPDX-License-Identifier: Apache-2.0
|
||||
*/
|
||||
|
||||
#ifndef _ESP32_MOCK_H_
|
||||
#define _ESP32_MOCK_H_
|
||||
|
||||
#include <stdint.h>
|
||||
#include <unistd.h>
|
||||
|
||||
/* ------------------------------------------------- ESP32 Port Mock ---------------------------------------------------
|
||||
*
|
||||
* ------------------------------------------------------------------------------------------------------------------ */
|
||||
|
||||
// --------------------- lwipopts.h ------------------------
|
||||
|
||||
#define ESP_TASK_TCPIP_STACK
|
||||
#define ESP_TASK_TCPIP_PRIO
|
||||
|
||||
uint32_t esp_random(void);
|
||||
|
||||
// --------------------- sys_arch.h ------------------------
|
||||
|
||||
// Required to get linux assert.h to work ???
|
||||
#define __ASSERT_FUNC __ASSERT_FUNCTION
|
||||
|
||||
typedef void * SemaphoreHandle_t;
|
||||
typedef void * TaskHandle_t;
|
||||
typedef void * QueueHandle_t;
|
||||
|
||||
#define vTaskDelay(ms) usleep((m)*0)
|
||||
|
||||
#endif // _ESP32_MOCK_H_
|
||||
|
|
@ -1,28 +0,0 @@
|
|||
/*
|
||||
* SPDX-FileCopyrightText: 2020-2022 Espressif Systems (Shanghai) CO LTD
|
||||
*
|
||||
* SPDX-License-Identifier: Apache-2.0
|
||||
*/
|
||||
|
||||
#include <features.h>
|
||||
#include "esp_netif_lwip_internal.h"
|
||||
|
||||
esp_err_t esp_netif_get_ip_info(esp_netif_t *esp_netif, esp_netif_ip_info_t *ip_info)
|
||||
{
|
||||
return ESP_ERR_NOT_SUPPORTED;
|
||||
}
|
||||
|
||||
esp_err_t esp_netif_dhcpc_get_status(esp_netif_t *esp_netif, esp_netif_dhcp_status_t *status)
|
||||
{
|
||||
return ESP_ERR_NOT_SUPPORTED;
|
||||
}
|
||||
|
||||
const char *esp_netif_get_ifkey(esp_netif_t *esp_netif)
|
||||
{
|
||||
return esp_netif->if_key;
|
||||
}
|
||||
|
||||
esp_err_t esp_netif_get_ip6_linklocal(esp_netif_t *esp_netif, esp_ip6_addr_t *if_ip6)
|
||||
{
|
||||
return ESP_ERR_NOT_SUPPORTED;
|
||||
}
|
||||
Ładowanie…
Reference in New Issue