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(net_http) Prevent NULL pointer dereferences

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This commit is contained in:
twinaphex 2015-03-23 10:13:15 +01:00
parent 015367b741
commit 8a6cce1964
1 changed files with 15 additions and 2 deletions
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17
libretro-common/net/net_http.c
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@ -244,6 +244,9 @@ bool net_http_connection_done(struct http_connection_t *conn)
void net_http_connection_free(struct http_connection_t *conn)
{
if (!conn)
return;
if (conn->urlcopy)
free(conn->urlcopy);
}
@ -311,6 +314,8 @@ error:
int net_http_fd(struct http_t *state)
{
if (!state)
return 0;
return state->fd;
}
@ -318,7 +323,7 @@ bool net_http_update(struct http_t *state, size_t* progress, size_t* total)
{
ssize_t newlen = 0;
if (state->error)
if (!state || state->error)
goto fail;
if (state->part < P_BODY)
@ -511,11 +516,16 @@ fail:
int net_http_status(struct http_t *state)
{
return state->status;
if (state)
return state->status;
return -1;
}
uint8_t* net_http_data(struct http_t *state, size_t* len, bool accept_error)
{
if (!state)
return NULL;
if (!accept_error &&
(state->error || state->status<200 || state->status>299))
{
@ -532,6 +542,9 @@ uint8_t* net_http_data(struct http_t *state, size_t* len, bool accept_error)
void net_http_delete(struct http_t *state)
{
if (!state)
return;
if (state->fd != -1)
socket_close(state->fd);
if (state->data)