mirrors/redsocks
0
0
Fork 0
mirror of https://github.com/darkk/redsocks.git synced 2025-08-25 11:15:30 +00:00
Code

add support for http POST connection

Browse Source
This commit is contained in:
Bin Jin 2010-11-23 00:31:14 +08:00
parent abb26a1505
commit 383455512c
1 changed files with 34 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

53
http-relay.c
View File

@ -248,8 +248,15 @@ static void httpr_relay_write_cb(struct bufferevent *buffev, void *_arg)
redsocks_touch_client(client);
if (client->state == httpr_new) {
if (httpr->firstline)
if (httpr->firstline) {
len = bufferevent_write(client->relay, httpr->firstline, strlen(httpr->firstline));
if (len < 0) {
redsocks_log_errno(client, LOG_ERR, "bufferevent_write");
redsocks_drop_client(client);
return;
}
}
http_auth *auth = (void*)(client->instance + 1);
++auth->last_auth_count;
@ -301,21 +308,7 @@ static void httpr_relay_write_cb(struct bufferevent *buffev, void *_arg)
}
}
if (len < 0) {
redsocks_log_errno(client, LOG_ERR, "bufferevent_write");
redsocks_drop_client(client);
return;
}
len = bufferevent_write(client->relay, httpr->client_buffer.buff, httpr->client_buffer.len);
if (len < 0) {
redsocks_log_errno(client, LOG_ERR, "bufferevent_write");
redsocks_drop_client(client);
return;
}
if (auth_string != NULL) {
len = 0;
len |= bufferevent_write(client->relay, auth_response_header, strlen(auth_response_header));
len |= bufferevent_write(client->relay, " ", 1);
@ -330,14 +323,15 @@ static void httpr_relay_write_cb(struct bufferevent *buffev, void *_arg)
}
}
if (bufferevent_write(client->relay, "\r\n", 2)) {
free_null(auth_string);
len = bufferevent_write(client->relay, httpr->client_buffer.buff, httpr->client_buffer.len);
if (len < 0) {
redsocks_log_errno(client, LOG_ERR, "bufferevent_write");
redsocks_drop_client(client);
return;
}
free_null(auth_string);
client->state = httpr_request_sent;
buffev->wm_read.low = 1;
@ -431,6 +425,7 @@ static void httpr_client_read_cb(struct bufferevent *buffev, void *_arg)
redsocks_touch_client(client);
int line_count = 0;
int content_len = -1; // Content Length for POST Method, -1 if not set
while ( (line = evbuffer_readline(buffev->input)) && !connect_relay) {
int skip_line = 0;
@ -459,6 +454,10 @@ static void httpr_client_read_cb(struct bufferevent *buffev, void *_arg)
skip_line = 1;
else if (strncasecmp(line, "Connection", 10) == 0)
skip_line = 1;
else if (strncasecmp(line, "Content-Length", 14) == 0) {
if (sscanf(line + 15, "%d", &content_len) != 1 || content_len < 0)
content_len = -1;
}
}
else { // last line of request
if (httpr->firstline) {
@ -483,7 +482,7 @@ static void httpr_client_read_cb(struct bufferevent *buffev, void *_arg)
connect_relay = 1;
}
if (line && !skip_line && strlen(line))
if (line && !skip_line)
if (httpr_append_header(client, line) < 0)
do_drop = 1;
@ -495,9 +494,23 @@ static void httpr_client_read_cb(struct bufferevent *buffev, void *_arg)
}
}
if (connect_relay)
if (connect_relay) {
if (content_len != -1) { // POST Data detected
int to_read = content_len, now_to_read, read_bytes;
static int post_buffer_len = 256 * 1024;
unsigned char post_buffer[post_buffer_len];
while (to_read > 0) {
now_to_read = to_read > 256 * 1024 ? 256 * 1024 : to_read;
read_bytes = evbuffer_remove(buffev->input, post_buffer, now_to_read);
if (read_bytes <= 0)
break;
to_read -= read_bytes;
httpr_buffer_append(&httpr->client_buffer, post_buffer, read_bytes);
}
}
redsocks_connect_relay(client);
}
}
static void httpr_connect_relay(redsocks_client *client)
{