OVMS3-idf/components/lwip/test_afl_host/network_mock.c

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#include "no_warn_host.h"
#include "lwip/opt.h"
#include "lwip/def.h"
#include "lwip/pbuf.h"
#include "lwip/udp.h"
#include "tcpip_adapter.h"
#include <string.h>
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#include <stdio.h>
const ip_addr_t ip_addr_any;
const ip_addr_t ip_addr_broadcast;
const ip_addr_t ip_addr_any_type;
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struct ip_globals ip_data;
struct netif *netif_list;
struct udp_pcb mock_pcb;
uint32_t g_random_numbers[8] = {0};
uint32_t g_random_numbers_cnt = 0;
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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;
}
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;
}
}
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;
}
err_t pbuf_take(struct pbuf *buf, const void *dataptr, u16_t len)
{
return ERR_OK;
}
err_t pbuf_take_at(struct pbuf *buf, const void *dataptr, u16_t len, u16_t offset)
{
return ERR_OK;
}
struct udp_pcb * udp_new_ip_type(u8_t type)
{
return &mock_pcb;
}
esp_err_t tcpip_adapter_get_ip_info(tcpip_adapter_if_t tcpip_if, tcpip_adapter_ip_info_t *ip_info)
{
return ESP_OK;
}
struct pbuf * pbuf_alloc(pbuf_layer layer, u16_t length, pbuf_type type)
{
struct pbuf * p;
p = (struct pbuf *)malloc(MEMP_PBUF_POOL);
p->tot_len = length;
p->next = NULL;
p->type = PBUF_POOL;
p->len = length;
p->payload = malloc(length);
return p;
}
u8_t pbuf_free(struct pbuf *p)
{
if (p) {
if (p->payload) {
free(p->payload);
p->payload = NULL;
}
free (p);
p = NULL;
}
return 1;
}
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_remove(struct udp_pcb *pcb)
{
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if (pcb == NULL)
{
free(pcb);
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}
}
struct udp_pcb *udp_new(void)
{
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return malloc(sizeof(struct udp_pcb));
}
err_t udp_bind(struct udp_pcb *pcb, const ip_addr_t *ipaddr, u16_t port)
{
return ESP_OK;
}
void udp_recv(struct udp_pcb *pcb, udp_recv_fn recv, void *recv_arg)
{
}
void udp_disconnect(struct udp_pcb *pcb)
{
}
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#ifndef NOT_MOCK_DNS
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void dns_setserver(u8_t numdns, const ip_addr_t *dnsserver)
{
}
#endif
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uint32_t esp_random(void)
{
// Preparation for injecting favorable random numbers
return g_random_numbers[g_random_numbers_cnt++ % 8];
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}
err_t etharp_query(struct netif *netif, const ip4_addr_t *ipaddr, struct pbuf *q)
{
return ESP_OK;
}
void netif_set_addr(struct netif *netif, const ip4_addr_t *ipaddr, const ip4_addr_t *netmask,
const ip4_addr_t *gw)
{
}
void pbuf_realloc(struct pbuf *p, u16_t size)
{
if (p != NULL)
{
uint8_t *buf = malloc(size);
free(p->payload);
p->payload = buf;
p->len = size;
p->tot_len = size;
}
}
u16_t pbuf_copy_partial(const struct pbuf *buf, void *dataptr, u16_t len, u16_t offset)
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{
struct pbuf *p;
u16_t left;
u16_t buf_copy_len;
u16_t copied_total = 0;
LWIP_ERROR("pbuf_copy_partial: invalid buf", (buf != NULL), return 0;);
LWIP_ERROR("pbuf_copy_partial: invalid dataptr", (dataptr != NULL), return 0;);
left = 0;
if ((buf == NULL) || (dataptr == NULL)) {
return 0;
}
/* Note some systems use byte copy if dataptr or one of the pbuf payload pointers are unaligned. */
for (p = buf; len != 0 && p != NULL; p = p->next) {
if ((offset != 0) && (offset >= p->len)) {
/* don't copy from this buffer -> on to the next */
offset -= p->len;
} else {
/* copy from this buffer. maybe only partially. */
buf_copy_len = p->len - offset;
if (buf_copy_len > len)
buf_copy_len = len;
/* copy the necessary parts of the buffer */
MEMCPY(&((char*)dataptr)[left], &((char*)p->payload)[offset], buf_copy_len);
copied_total += buf_copy_len;
left += buf_copy_len;
len -= buf_copy_len;
offset = 0;
}
}
return copied_total;
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}
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err_t udp_connect(struct udp_pcb *pcb, const ip_addr_t *ipaddr, u16_t port)
{
return ESP_OK;
}
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;
}
err_t udp_sendto_if_src(struct udp_pcb *pcb, struct pbuf *p, const ip_addr_t *dst_ip, u16_t dst_port, struct netif *netif, const ip_addr_t *src_ip)
{
return ESP_OK;
}
void * mem_malloc(mem_size_t size)
{
return malloc(size);
}
void mem_free(void *rmem)
{
free(rmem);
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}