Alawn/shadowsocks-android
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fix the indent

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This commit is contained in:
Max Lv
2012-12-27 19:44:38 +08:00
parent 4579ba1a7c
commit baff7dd64f
1 changed files with 326 additions and 326 deletions
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jni/shadowsocks/local.c
+326 -326
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@@ -90,9 +90,9 @@ int create_and_bind(const char *port) {
}
static void server_recv_cb (EV_P_ ev_io *w, int revents) {
struct server_ctx *server_recv_ctx = (struct server_ctx *)w;
struct server *server = server_recv_ctx->server;
struct remote *remote = server->remote;
struct server_ctx *server_recv_ctx = (struct server_ctx *)w;
struct server *server = server_recv_ctx->server;
struct remote *remote = server->remote;
if (remote == NULL) {
close_and_free_server(EV_A_ server);
@@ -106,429 +106,429 @@ static void server_recv_cb (EV_P_ ev_io *w, int revents) {
buf_len = &server->buf_len;
}
while (1) {
ssize_t r = recv(server->fd, buf, BUF_SIZE, 0);
while (1) {
ssize_t r = recv(server->fd, buf, BUF_SIZE, 0);
if (r == 0) {
// connection closed
if (r == 0) {
// connection closed
*buf_len = 0;
close_and_free_server(EV_A_ server);
if (remote != NULL) {
ev_io_start(EV_A_ &remote->send_ctx->io);
}
return;
} else if(r < 0) {
if (errno == EAGAIN) {
// no data
// continue to wait for recv
break;
} else {
close_and_free_server(EV_A_ server);
if (remote != NULL) {
ev_io_start(EV_A_ &remote->send_ctx->io);
}
return;
} else if(r < 0) {
if (errno == EAGAIN) {
// no data
// continue to wait for recv
break;
} else {
perror("server recv");
close_and_free_server(EV_A_ server);
close_and_free_remote(EV_A_ remote);
return;
}
}
close_and_free_server(EV_A_ server);
close_and_free_remote(EV_A_ remote);
return;
}
}
// local socks5 server
if (server->stage == 5) {
if (server->stage == 5) {
encrypt(remote->buf, r);
int w = send(remote->fd, remote->buf, r, 0);
if(w == -1) {
if (errno == EAGAIN) {
// no data, wait for send
ev_io_stop(EV_A_ &server_recv_ctx->io);
ev_io_start(EV_A_ &remote->send_ctx->io);
break;
} else {
int w = send(remote->fd, remote->buf, r, 0);
if(w == -1) {
if (errno == EAGAIN) {
// no data, wait for send
ev_io_stop(EV_A_ &server_recv_ctx->io);
ev_io_start(EV_A_ &remote->send_ctx->io);
break;
} else {
perror("send");
close_and_free_server(EV_A_ server);
close_and_free_remote(EV_A_ remote);
return;
}
} else if(w < r) {
close_and_free_server(EV_A_ server);
close_and_free_remote(EV_A_ remote);
return;
}
} else if(w < r) {
char *pt = remote->buf;
char *et = pt + min(w, BUF_SIZE);
while (pt < et) {
*pt = *(pt + w);
pt++;
}
remote->buf_len = r - w;
ev_io_stop(EV_A_ &server_recv_ctx->io);
ev_io_start(EV_A_ &remote->send_ctx->io);
break;
remote->buf_len = r - w;
ev_io_stop(EV_A_ &server_recv_ctx->io);
ev_io_start(EV_A_ &remote->send_ctx->io);
break;
}
} else if (server->stage == 0) {
struct method_select_response response;
response.ver = VERSION;
response.method = 0;
char *send_buf = (char *)&response;
send(server->fd, send_buf, sizeof(response), MSG_NOSIGNAL);
server->stage = 1;
return;
} else if (server->stage == 1) {
struct socks5_request *request = (struct socks5_request *)server->buf;
} else if (server->stage == 0) {
struct method_select_response response;
response.ver = VERSION;
response.method = 0;
char *send_buf = (char *)&response;
send(server->fd, send_buf, sizeof(response), MSG_NOSIGNAL);
server->stage = 1;
return;
} else if (server->stage == 1) {
struct socks5_request *request = (struct socks5_request *)server->buf;
if (request->cmd != 1) {
LOGE("unsupported cmd: %d\n", request->cmd);
struct socks5_response response;
response.ver = VERSION;
response.rep = CMD_NOT_SUPPORTED;
response.rsv = 0;
response.atyp = 1;
char *send_buf = (char *)&response;
send(server->fd, send_buf, 4, MSG_NOSIGNAL);
close_and_free_server(EV_A_ server);
if (request->cmd != 1) {
LOGE("unsupported cmd: %d\n", request->cmd);
struct socks5_response response;
response.ver = VERSION;
response.rep = CMD_NOT_SUPPORTED;
response.rsv = 0;
response.atyp = 1;
char *send_buf = (char *)&response;
send(server->fd, send_buf, 4, MSG_NOSIGNAL);
close_and_free_server(EV_A_ server);
close_and_free_remote(EV_A_ remote);
return;
}
return;
}
char addr_to_send[256];
unsigned char addr_len = 0;
addr_to_send[addr_len++] = request->atyp;
// get remote addr and port
if (request->atyp == 1) {
// get remote addr and port
if (request->atyp == 1) {
// IP V4
struct in_addr *in_addr;
in_addr = (struct in_addr *)(server->buf + 4);
// IP V4
struct in_addr *in_addr;
in_addr = (struct in_addr *)(server->buf + 4);
char* addr_buf = inet_ntoa(*in_addr);
unsigned char name_len = strlen(addr_buf);
memcpy(addr_to_send + addr_len, addr_buf, name_len);
addr_len += name_len;
// get port
// get port
addr_to_send[addr_len++] = *(unsigned char *)(server->buf + 4 + 4);
addr_to_send[addr_len++] = *(unsigned char *)(server->buf + 4 + 4 + 1);
addr_to_send[addr_len] = 0;
} else if (request->atyp == 3) {
} else if (request->atyp == 3) {
// Domain name
unsigned char name_len = *(unsigned char *)(server->buf + 4);
unsigned char name_len = *(unsigned char *)(server->buf + 4);
addr_to_send[addr_len++] = name_len;
memcpy(addr_to_send + addr_len, server->buf + 4 + 1, name_len);
memcpy(addr_to_send + addr_len, server->buf + 4 + 1, name_len);
addr_len += name_len;
// get port
// get port
addr_to_send[addr_len++] = *(unsigned char *)(server->buf + 4 + 1 + name_len);
addr_to_send[addr_len++] = *(unsigned char *)(server->buf + 4 + 1 + name_len + 1);
addr_to_send[addr_len] = 0;
} else {
LOGE("unsupported addrtype: %d\n", request->atyp);
close_and_free_server(EV_A_ server);
} else {
LOGE("unsupported addrtype: %d\n", request->atyp);
close_and_free_server(EV_A_ server);
close_and_free_remote(EV_A_ remote);
return;
}
return;
}
send_encrypt(remote->fd, addr_to_send, addr_len, 0);
// Fake reply
struct socks5_response response;
response.ver = VERSION;
response.rep = 0;
response.rsv = 0;
response.atyp = 1;
// Fake reply
struct socks5_response response;
response.ver = VERSION;
response.rep = 0;
response.rsv = 0;
response.atyp = 1;
struct in_addr sin_addr;
inet_aton("0.0.0.0", &sin_addr);
memcpy(server->buf, &response, 4);
memcpy(server->buf + 4, &sin_addr, sizeof(struct in_addr));
*((unsigned short *)(server->buf + 4 + sizeof(struct in_addr)))
memcpy(server->buf, &response, 4);
memcpy(server->buf + 4, &sin_addr, sizeof(struct in_addr));
*((unsigned short *)(server->buf + 4 + sizeof(struct in_addr)))
= (unsigned short) htons(atoi(_remote_port));
int reply_size = 4 + sizeof(struct in_addr) + sizeof(unsigned short);
int r = send(server->fd, server->buf, reply_size, MSG_NOSIGNAL);
if (r < reply_size) {
LOGE("header not complete sent\n");
close_and_free_remote(EV_A_ remote);
close_and_free_server(EV_A_ server);
int r = send(server->fd, server->buf, reply_size, MSG_NOSIGNAL);
if (r < reply_size) {
LOGE("header not complete sent\n");
close_and_free_remote(EV_A_ remote);
close_and_free_server(EV_A_ server);
return;
}
}
server->stage = 5;
server->stage = 5;
}
}
}
}
static void server_send_cb (EV_P_ ev_io *w, int revents) {
struct server_ctx *server_send_ctx = (struct server_ctx *)w;
struct server *server = server_send_ctx->server;
struct remote *remote = server->remote;
if (server->buf_len == 0) {
// close and free
close_and_free_server(EV_A_ server);
close_and_free_remote(EV_A_ remote);
return;
} else {
// has data to send
ssize_t r = send(server->fd, server->buf,
server->buf_len, 0);
if (r < 0) {
if (errno != EAGAIN) {
struct server_ctx *server_send_ctx = (struct server_ctx *)w;
struct server *server = server_send_ctx->server;
struct remote *remote = server->remote;
if (server->buf_len == 0) {
// close and free
close_and_free_server(EV_A_ server);
close_and_free_remote(EV_A_ remote);
return;
} else {
// has data to send
ssize_t r = send(server->fd, server->buf,
server->buf_len, 0);
if (r < 0) {
if (errno != EAGAIN) {
perror("send");
close_and_free_server(EV_A_ server);
close_and_free_remote(EV_A_ remote);
return;
}
return;
}
if (r < server->buf_len) {
// partly sent, move memory, wait for the next time to send
char *pt = server->buf;
close_and_free_server(EV_A_ server);
close_and_free_remote(EV_A_ remote);
return;
}
return;
}
if (r < server->buf_len) {
// partly sent, move memory, wait for the next time to send
char *pt = server->buf;
char *et = pt + min(r, BUF_SIZE);
while (pt < et) {
*pt = *(pt + r);
*pt = *(pt + r);
pt++;
}
server->buf_len -= r;
return;
} else {
// all sent out, wait for reading
ev_io_stop(EV_A_ &server_send_ctx->io);
if (remote != NULL) {
ev_io_start(EV_A_ &remote->recv_ctx->io);
} else {
close_and_free_server(EV_A_ server);
close_and_free_remote(EV_A_ remote);
return;
}
}
}
}
server->buf_len -= r;
return;
} else {
// all sent out, wait for reading
ev_io_stop(EV_A_ &server_send_ctx->io);
if (remote != NULL) {
ev_io_start(EV_A_ &remote->recv_ctx->io);
} else {
close_and_free_server(EV_A_ server);
close_and_free_remote(EV_A_ remote);
return;
}
}
}
}
static void remote_recv_cb (EV_P_ ev_io *w, int revents) {
struct remote_ctx *remote_recv_ctx = (struct remote_ctx *)w;
struct remote *remote = remote_recv_ctx->remote;
struct server *server = remote->server;
if (server == NULL) {
close_and_free_remote(EV_A_ remote);
return;
}
while (1) {
ssize_t r = recv(remote->fd, server->buf, BUF_SIZE, 0);
struct remote_ctx *remote_recv_ctx = (struct remote_ctx *)w;
struct remote *remote = remote_recv_ctx->remote;
struct server *server = remote->server;
if (server == NULL) {
close_and_free_remote(EV_A_ remote);
return;
}
while (1) {
ssize_t r = recv(remote->fd, server->buf, BUF_SIZE, 0);
if (r == 0) {
// connection closed
server->buf_len = 0;
close_and_free_remote(EV_A_ remote);
if (server != NULL) {
ev_io_start(EV_A_ &server->send_ctx->io);
}
return;
} else if(r < 0) {
if (errno == EAGAIN) {
// no data
// continue to wait for recv
break;
} else {
if (r == 0) {
// connection closed
server->buf_len = 0;
close_and_free_remote(EV_A_ remote);
if (server != NULL) {
ev_io_start(EV_A_ &server->send_ctx->io);
}
return;
} else if(r < 0) {
if (errno == EAGAIN) {
// no data
// continue to wait for recv
break;
} else {
perror("remote recv");
close_and_free_server(EV_A_ server);
close_and_free_remote(EV_A_ remote);
return;
}
}
decrypt(server->buf, r);
int w = send(server->fd, server->buf, r, MSG_NOSIGNAL);
if(w == -1) {
if (errno == EAGAIN) {
// no data, wait for send
ev_io_stop(EV_A_ &remote_recv_ctx->io);
ev_io_start(EV_A_ &server->send_ctx->io);
break;
} else {
close_and_free_server(EV_A_ server);
close_and_free_remote(EV_A_ remote);
return;
}
}
decrypt(server->buf, r);
int w = send(server->fd, server->buf, r, MSG_NOSIGNAL);
if(w == -1) {
if (errno == EAGAIN) {
// no data, wait for send
ev_io_stop(EV_A_ &remote_recv_ctx->io);
ev_io_start(EV_A_ &server->send_ctx->io);
break;
} else {
perror("send");
close_and_free_server(EV_A_ server);
close_and_free_remote(EV_A_ remote);
return;
}
} else if(w < r) {
char *pt = server->buf;
close_and_free_server(EV_A_ server);
close_and_free_remote(EV_A_ remote);
return;
}
} else if(w < r) {
char *pt = server->buf;
char *et = pt + min(w, BUF_SIZE);
while (pt < et) {
*pt = *(pt + w);
*pt = *(pt + w);
pt++;
}
server->buf_len = r - w;
ev_io_stop(EV_A_ &remote_recv_ctx->io);
ev_io_start(EV_A_ &server->send_ctx->io);
break;
}
}
}
server->buf_len = r - w;
ev_io_stop(EV_A_ &remote_recv_ctx->io);
ev_io_start(EV_A_ &server->send_ctx->io);
break;
}
}
}
static void remote_send_cb (EV_P_ ev_io *w, int revents) {
struct remote_ctx *remote_send_ctx = (struct remote_ctx *)w;
struct remote *remote = remote_send_ctx->remote;
struct server *server = remote->server;
struct remote_ctx *remote_send_ctx = (struct remote_ctx *)w;
struct remote *remote = remote_send_ctx->remote;
struct server *server = remote->server;
if (!remote_send_ctx->connected) {
if (!remote_send_ctx->connected) {
socklen_t len;
struct sockaddr_storage addr;
len = sizeof addr;
int r = getpeername(remote->fd, (struct sockaddr*)&addr, &len);
if (r == 0) {
remote_send_ctx->connected = 1;
ev_io_stop(EV_A_ &remote_send_ctx->io);
ev_io_start(EV_A_ &server->recv_ctx->io);
ev_io_start(EV_A_ &remote->recv_ctx->io);
} else {
perror("getpeername");
// not connected
close_and_free_remote(EV_A_ remote);
close_and_free_server(EV_A_ server);
return;
}
} else {
if (remote->buf_len == 0) {
// close and free
close_and_free_remote(EV_A_ remote);
close_and_free_server(EV_A_ server);
return;
} else {
// has data to send
ssize_t r = send(remote->fd, remote->buf,
remote->buf_len, 0);
if (r < 0) {
if (errno != EAGAIN) {
socklen_t len;
struct sockaddr_storage addr;
len = sizeof addr;
int r = getpeername(remote->fd, (struct sockaddr*)&addr, &len);
if (r == 0) {
remote_send_ctx->connected = 1;
ev_io_stop(EV_A_ &remote_send_ctx->io);
ev_io_start(EV_A_ &server->recv_ctx->io);
ev_io_start(EV_A_ &remote->recv_ctx->io);
} else {
perror("getpeername");
// not connected
close_and_free_remote(EV_A_ remote);
close_and_free_server(EV_A_ server);
return;
}
} else {
if (remote->buf_len == 0) {
// close and free
close_and_free_remote(EV_A_ remote);
close_and_free_server(EV_A_ server);
return;
} else {
// has data to send
ssize_t r = send(remote->fd, remote->buf,
remote->buf_len, 0);
if (r < 0) {
if (errno != EAGAIN) {
perror("send");
// close and free
close_and_free_remote(EV_A_ remote);
close_and_free_server(EV_A_ server);
return;
}
return;
}
if (r < remote->buf_len) {
// partly sent, move memory, wait for the next time to send
// close and free
close_and_free_remote(EV_A_ remote);
close_and_free_server(EV_A_ server);
return;
}
return;
}
if (r < remote->buf_len) {
// partly sent, move memory, wait for the next time to send
char *pt = remote->buf;
char *et = pt + min(r, BUF_SIZE);
while (pt < et) {
*pt = *(pt + r);
pt++;
}
remote->buf_len -= r;
return;
} else {
// all sent out, wait for reading
ev_io_stop(EV_A_ &remote_send_ctx->io);
if (server != NULL) {
ev_io_start(EV_A_ &server->recv_ctx->io);
} else {
close_and_free_remote(EV_A_ remote);
close_and_free_server(EV_A_ server);
return;
}
}
}
remote->buf_len -= r;
return;
} else {
// all sent out, wait for reading
ev_io_stop(EV_A_ &remote_send_ctx->io);
if (server != NULL) {
ev_io_start(EV_A_ &server->recv_ctx->io);
} else {
close_and_free_remote(EV_A_ remote);
close_and_free_server(EV_A_ server);
return;
}
}
}
}
}
}
struct remote* new_remote(int fd) {
struct remote *remote;
remote = malloc(sizeof(struct remote));
remote->fd = fd;
remote->recv_ctx = malloc(sizeof(struct remote_ctx));
remote->send_ctx = malloc(sizeof(struct remote_ctx));
ev_io_init(&remote->recv_ctx->io, remote_recv_cb, fd, EV_READ);
ev_io_init(&remote->send_ctx->io, remote_send_cb, fd, EV_WRITE);
remote->recv_ctx->remote = remote;
remote->recv_ctx->connected = 0;
remote->send_ctx->remote = remote;
remote->send_ctx->connected = 0;
return remote;
struct remote *remote;
remote = malloc(sizeof(struct remote));
remote->fd = fd;
remote->recv_ctx = malloc(sizeof(struct remote_ctx));
remote->send_ctx = malloc(sizeof(struct remote_ctx));
ev_io_init(&remote->recv_ctx->io, remote_recv_cb, fd, EV_READ);
ev_io_init(&remote->send_ctx->io, remote_send_cb, fd, EV_WRITE);
remote->recv_ctx->remote = remote;
remote->recv_ctx->connected = 0;
remote->send_ctx->remote = remote;
remote->send_ctx->connected = 0;
return remote;
}
void free_remote(struct remote *remote) {
if (remote != NULL) {
if (remote->server != NULL) {
remote->server->remote = NULL;
}
free(remote->recv_ctx);
free(remote->send_ctx);
free(remote);
}
if (remote != NULL) {
if (remote->server != NULL) {
remote->server->remote = NULL;
}
free(remote->recv_ctx);
free(remote->send_ctx);
free(remote);
}
}
void close_and_free_remote(EV_P_ struct remote *remote) {
if (remote != NULL) {
ev_io_stop(EV_A_ &remote->send_ctx->io);
ev_io_stop(EV_A_ &remote->recv_ctx->io);
close(remote->fd);
free_remote(remote);
}
if (remote != NULL) {
ev_io_stop(EV_A_ &remote->send_ctx->io);
ev_io_stop(EV_A_ &remote->recv_ctx->io);
close(remote->fd);
free_remote(remote);
}
}
struct server* new_server(int fd) {
struct server *server;
server = malloc(sizeof(struct server));
server->fd = fd;
server->recv_ctx = malloc(sizeof(struct server_ctx));
server->send_ctx = malloc(sizeof(struct server_ctx));
ev_io_init(&server->recv_ctx->io, server_recv_cb, fd, EV_READ);
ev_io_init(&server->send_ctx->io, server_send_cb, fd, EV_WRITE);
server->recv_ctx->server = server;
server->recv_ctx->connected = 0;
server->send_ctx->server = server;
server->send_ctx->connected = 0;
struct server *server;
server = malloc(sizeof(struct server));
server->fd = fd;
server->recv_ctx = malloc(sizeof(struct server_ctx));
server->send_ctx = malloc(sizeof(struct server_ctx));
ev_io_init(&server->recv_ctx->io, server_recv_cb, fd, EV_READ);
ev_io_init(&server->send_ctx->io, server_send_cb, fd, EV_WRITE);
server->recv_ctx->server = server;
server->recv_ctx->connected = 0;
server->send_ctx->server = server;
server->send_ctx->connected = 0;
server->stage = 0;
return server;
return server;
}
void free_server(struct server *server) {
if (server != NULL) {
if (server->remote != NULL) {
server->remote->server = NULL;
}
free(server->recv_ctx);
free(server->send_ctx);
free(server);
}
if (server != NULL) {
if (server->remote != NULL) {
server->remote->server = NULL;
}
free(server->recv_ctx);
free(server->send_ctx);
free(server);
}
}
void close_and_free_server(EV_P_ struct server *server) {
if (server != NULL) {
ev_io_stop(EV_A_ &server->send_ctx->io);
ev_io_stop(EV_A_ &server->recv_ctx->io);
close(server->fd);
free_server(server);
}
if (server != NULL) {
ev_io_stop(EV_A_ &server->send_ctx->io);
ev_io_stop(EV_A_ &server->recv_ctx->io);
close(server->fd);
free_server(server);
}
}
static void accept_cb (EV_P_ ev_io *w, int revents)
{
struct listen_ctx *listener = (struct listen_ctx *)w;
int serverfd;
while (1) {
serverfd = accept(listener->fd, NULL, NULL);
if (serverfd == -1) {
perror("accept");
break;
}
setnonblocking(serverfd);
struct server *server = new_server(serverfd);
struct addrinfo hints, *res;
int sockfd;
memset(&hints, 0, sizeof hints);
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
getaddrinfo(_server, _remote_port, &hints, &res);
sockfd = socket(res->ai_family, res->ai_socktype, res->ai_protocol);
if (sockfd < 0) {
perror("socket");
close(sockfd);
free_server(server);
continue;
}
setnonblocking(sockfd);
struct remote *remote = new_remote(sockfd);
server->remote = remote;
remote->server = server;
connect(sockfd, res->ai_addr, res->ai_addrlen);
freeaddrinfo(res);
// listen to remote connected event
ev_io_start(EV_A_ &remote->send_ctx->io);
break;
}
struct listen_ctx *listener = (struct listen_ctx *)w;
int serverfd;
while (1) {
serverfd = accept(listener->fd, NULL, NULL);
if (serverfd == -1) {
perror("accept");
break;
}
setnonblocking(serverfd);
struct server *server = new_server(serverfd);
struct addrinfo hints, *res;
int sockfd;
memset(&hints, 0, sizeof hints);
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
getaddrinfo(_server, _remote_port, &hints, &res);
sockfd = socket(res->ai_family, res->ai_socktype, res->ai_protocol);
if (sockfd < 0) {
perror("socket");
close(sockfd);
free_server(server);
continue;
}
setnonblocking(sockfd);
struct remote *remote = new_remote(sockfd);
server->remote = remote;
remote->server = server;
connect(sockfd, res->ai_addr, res->ai_addrlen);
freeaddrinfo(res);
// listen to remote connected event
ev_io_start(EV_A_ &remote->send_ctx->io);
break;
}
}
int main (int argc, char **argv)