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fix proxy protocol bug

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This commit is contained in:
lxsang 2021-01-22 13:12:23 +01:00
parent 520b99f94b
commit 8b483f0579
4 changed files with 63 additions and 46 deletions
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dist/antd-1.0.6b.tar.gz vendored
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54
http_server.c
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@ -758,33 +758,31 @@ static void *proxy_monitor(void *data)
antd_client_t *proxy = (antd_client_t *)dvalue(rq->request, "PROXY_HANDLE");
antd_task_t* task = antd_create_task(NULL, data, NULL, rq->client->last_io);
int ret, max_fd;
fd_set read_flags;
fd_set read_flags, write_flags;
// first verify if the socket is ready
FD_ZERO(&read_flags);
FD_SET(rq->client->sock, &read_flags);
FD_SET(proxy->sock, &read_flags);
//FD_ZERO(&write_flags);
//FD_SET(rq->client->sock, &write_flags);
FD_ZERO(&write_flags);
FD_SET(rq->client->sock, &write_flags);
//FD_SET(proxy->sock, &write_flags);
char *buf = NULL;
struct timeval timeout;
timeout.tv_sec = 0;
timeout.tv_usec = 500;
timeout.tv_usec = 5000;
max_fd = proxy->sock > rq->client->sock ? proxy->sock: rq->client->sock;
buf = (char *)malloc(BUFFLEN);
//printf("start proxy monitor\n");
// select
ret = select(max_fd + 1, &read_flags, NULL, (fd_set *)0, &timeout);
if(ret == -1)
do
{
//antd_error(rq->client, 500, "");
(void)close(proxy->sock);
return task;
}
ret = select(max_fd + 1, &read_flags, &write_flags, (fd_set *)0, &timeout);
if(ret > 0)
{
buf = (char *)malloc(BUFFLEN);
if (FD_ISSET(rq->client->sock, &read_flags))
memset(buf, '\0', BUFFLEN);
if (FD_ISSET(rq->client->sock, &read_flags) || FD_ISSET(rq->client->sock, &write_flags))
{
ret = antd_recv_upto(rq->client, buf, BUFFLEN);
if(ret == -1)
@ -806,12 +804,20 @@ static void *proxy_monitor(void *data)
}
antd_send(rq->client, buf, ret);
}
free(buf);
}
} while (ret > 0);
free(buf);
//printf("monitor return: %d\n", ret);
if(ret == -1)
{
(void)close(proxy->sock);
return task;
}
task->handle = proxy_monitor;
task->access_time = rq->client->last_io;
// register event
antd_task_bind_event(task, rq->client->sock, 0, TASK_EVT_ON_READABLE);
antd_task_bind_event(task, rq->client->sock, 0, TASK_EVT_ON_READABLE | TASK_EVT_ON_WRITABLE);
antd_task_bind_event(task, proxy->sock, 0, TASK_EVT_ON_READABLE);
return task;
}
@ -840,6 +846,7 @@ static void *proxify(void *data)
antd_error(rq->client, 503, "Service Unavailable");
return task;
}
set_nonblock(sock_fd);
proxy = (antd_client_t *)malloc(sizeof(antd_client_t));
proxy->sock = sock_fd;
proxy->ssl = NULL;
@ -871,12 +878,11 @@ static void *proxify(void *data)
}
}
(void)antd_send(proxy, "\r\n", 2);
// now monitor the proxy
task->handle = proxy_monitor;
task->access_time = rq->client->last_io;
// register event
antd_task_bind_event(task, rq->client->sock, 0, TASK_EVT_ON_READABLE);
antd_task_bind_event(task, rq->client->sock, 0, TASK_EVT_ON_READABLE | TASK_EVT_ON_WRITABLE);
antd_task_bind_event(task, proxy->sock, 0, TASK_EVT_ON_READABLE);
return task;
}
@ -1121,9 +1127,16 @@ void *decode_post_request(void *data)
if (strstr(ctype, FORM_URL_ENCODE))
{
char *pquery = post_data_decode(rq->client, clen);
if(pquery)
{
decode_url_request(pquery, request);
free(pquery);
}
else if(clen > 0)
{
task->handle = decode_post_request;
}
}
else if (strstr(ctype, FORM_MULTI_PART))
{
free(task);
@ -1132,6 +1145,7 @@ void *decode_post_request(void *data)
else
{
char *pquery = post_data_decode(rq->client, clen);
//printf("POST: %s\n", pquery);
char *key = strstr(ctype, "/");
if (key)
key++;
@ -1142,6 +1156,10 @@ void *decode_post_request(void *data)
dput(request, key, strdup(pquery));
free(pquery);
}
else if(clen > 0)
{
task->handle = decode_post_request;
}
}
return task;
}
@ -1439,7 +1457,7 @@ char *post_data_decode(void *client, int len)
int read = 0, stat = 1;
while (readlen > 0 && stat > 0)
{
stat = antd_recv(client, ptr + read, readlen);
stat = antd_recv_upto(client, ptr + read, readlen);
if (stat > 0)
{
read += stat;

8
httpd.c
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@ -302,12 +302,12 @@ void antd_scheduler_destroy_data(void *data)
int antd_task_data_id(void *data)
{
antd_request_t *rq = (antd_request_t *)data;
/*antd_request_t *rq = (antd_request_t *)data;
if(!rq)
return 0;
return antd_scheduler_next_id(scheduler,rq->client->sock);
//UNUSED(data);
//return antd_scheduler_next_id(scheduler,0);
return antd_scheduler_next_id(scheduler,rq->client->sock);*/
UNUSED(data);
return antd_scheduler_next_id(scheduler,0);
}
int main(int argc, char *argv[])

1
lib/scheduler.c
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@ -645,7 +645,6 @@ static void task_event_collect(bst_node_t* node, void** argv, int argc)
antd_queue_t* exec_list = (antd_queue_t*) argv[0];
bst_node_t** poll_list = (bst_node_t**) argv[1];
int* pollsize = (int*) argv[2];
if(!task->events)
{
enqueue(exec_list, task);