int spade_receivefile(const char *original_path, const char *original_ip, const char *local_path, const char *size, const char *mtime) {
struct sock_info new_sock_info;
get_sock_info(&new_sock_info);
int client_socket = new_sock_info.client_socket;
struct sockaddr_in client_addr = new_sock_info.client_addr;
struct sockaddr_in server_addr = new_sock_info.server_addr;
socklen_t server_addr_length = new_sock_info.server_addr_length;
if(bind(client_socket, (struct sockaddr*)&client_addr, sizeof(client_addr))) {
printf("Client bind port failed!\n");
return 1;
}
if (connect(client_socket, (struct sockaddr*)&server_addr, server_addr_length) < 0) {
printf("Cannot connect to %s\n", SERVER_IP);
return 1;
}
char buffer[BUFFER_SIZE];
char *oper = "receivefile";
bzero(buffer, BUFFER_SIZE);
strcpy(buffer, oper);
send(client_socket, buffer, BUFFER_SIZE, 0);
bzero(buffer, BUFFER_SIZE);
strcpy(buffer, original_path);
send(client_socket, buffer, BUFFER_SIZE, 0);
bzero(buffer, BUFFER_SIZE);
strcpy(buffer, original_ip);
send(client_socket, buffer, BUFFER_SIZE, 0);
bzero(buffer, BUFFER_SIZE);
strcpy(buffer, local_path);
send(client_socket, buffer, BUFFER_SIZE, 0);
bzero(buffer, BUFFER_SIZE);
strcpy(buffer, size);
send(client_socket, buffer, BUFFER_SIZE, 0);
bzero(buffer, BUFFER_SIZE);
strcpy(buffer, mtime);
send(client_socket, buffer, BUFFER_SIZE, 0);
bzero(buffer, BUFFER_SIZE);
int length = recv(client_socket, buffer, BUFFER_SIZE, 0);
close(client_socket);
return strlen(buffer);
}
int spade_rename(const char *from, const char *to, pid_t pid, int link, int iotime) {
struct sock_info new_sock_info;
get_sock_info(&new_sock_info);
int client_socket = new_sock_info.client_socket;
struct sockaddr_in client_addr = new_sock_info.client_addr;
struct sockaddr_in server_addr = new_sock_info.server_addr;
socklen_t server_addr_length = new_sock_info.server_addr_length;
printLog(new_sock_info);
if(bind(client_socket, (struct sockaddr*)&client_addr, sizeof(client_addr))) {
printf("Client bind port failed!\n");
return 1;
}
if (connect(client_socket, (struct sockaddr*)&server_addr, server_addr_length) < 0) {
printf("Cannot connect to %s\n", SERVER_IP);
return 1;
}
char buffer[BUFFER_SIZE];
char *oper = "rename";
bzero(buffer, BUFFER_SIZE);
strcpy(buffer, oper);
send(client_socket, buffer, BUFFER_SIZE, 0);
bzero(buffer, BUFFER_SIZE);
strcpy(buffer, from);
send(client_socket, buffer, BUFFER_SIZE, 0);
bzero(buffer, BUFFER_SIZE);
strcpy(buffer, to);
send(client_socket, buffer, BUFFER_SIZE, 0);
bzero(buffer, BUFFER_SIZE);
int i_pid = (int) pid;
sprintf(buffer, "%d", i_pid);
send(client_socket, buffer, BUFFER_SIZE, 0);
bzero(buffer, BUFFER_SIZE);
sprintf(buffer, "%d", link);
send(client_socket, buffer, BUFFER_SIZE, 0);
bzero(buffer, BUFFER_SIZE);
sprintf(buffer, "%d", iotime);
send(client_socket, buffer, BUFFER_SIZE, 0);
close(client_socket);
return 0;
}
ssize_t INTERPOSE(recvmsg)(int fd, struct msghdr *msg, int flags)
{
__real_recvmsg_init();
const bool bypass_filter =
getenv("SIXJACK_BYPASS") != NULL || is_socket(fd) == false;
struct sockaddr_storage sa_local, *sa_local_ = &sa_local;
socklen_t sa_local_len;
get_sock_info(fd, &sa_local_, &sa_local_len, NULL, NULL);
int ret = 0;
int ret_errno = 0;
bool bypass_call = false;
size_t nbyte = (size_t) 0U;
struct iovec * const vecs = msg->msg_iov;
size_t i_vecs = 0U;
while (i_vecs < (size_t) msg->msg_iovlen) {
assert(SIZE_MAX - nbyte >= vecs[i_vecs].iov_len);
nbyte += vecs[i_vecs].iov_len;
i_vecs++;
}
size_t new_nbyte = nbyte;
FilterReplyResultBase rb = {
.pre = true, .ret = &ret, .ret_errno = &ret_errno, .fd = fd
};
if (bypass_filter == false && (rb.filter = filter_get()) &&
filter_apply(&rb, sa_local_, sa_local_len, msg,
&new_nbyte, &flags)
== FILTER_REPLY_BYPASS) {
bypass_call = true;
}
if (bypass_call == false) {
ssize_t ret_ = __real_recvmsg(fd, msg, flags);
ret_errno = errno;
ret = (int) ret_;
assert((ssize_t) ret_ == ret);
}
if (bypass_filter == false) {
new_nbyte = ret;
rb.pre = false;
filter_apply(&rb, sa_local_, sa_local_len, msg,
&new_nbyte, &flags);
}
errno = ret_errno;
return ret;
}
int spade_sendfile(const char *source_path, const char *dist_path, const char *dist_ip) {
struct sock_info new_sock_info;
get_sock_info(&new_sock_info);
int client_socket = new_sock_info.client_socket;
struct sockaddr_in client_addr = new_sock_info.client_addr;
struct sockaddr_in server_addr = new_sock_info.server_addr;
socklen_t server_addr_length = new_sock_info.server_addr_length;
if(bind(client_socket, (struct sockaddr*)&client_addr, sizeof(client_addr))) {
printf("Client bind port failed!\n");
return 1;
}
if (connect(client_socket, (struct sockaddr*)&server_addr, server_addr_length) < 0) {
printf("Cannot connect to %s\n", SERVER_IP);
return 1;
}
char buffer[BUFFER_SIZE];
char *oper = "sendfile";
bzero(buffer, BUFFER_SIZE);
strcpy(buffer, oper);
send(client_socket, buffer, BUFFER_SIZE, 0);
bzero(buffer, BUFFER_SIZE);
strcpy(buffer, source_path);
send(client_socket, buffer, BUFFER_SIZE, 0);
bzero(buffer, BUFFER_SIZE);
strcpy(buffer, dist_path);
send(client_socket, buffer, BUFFER_SIZE, 0);
bzero(buffer, BUFFER_SIZE);
strcpy(buffer, dist_ip);
send(client_socket, buffer, BUFFER_SIZE, 0);
close(client_socket);
return 0;
}
int spade_create(const char *path, pid_t pid) {
struct sock_info new_sock_info;
get_sock_info(&new_sock_info);
int client_socket = new_sock_info.client_socket;
struct sockaddr_in client_addr = new_sock_info.client_addr;
struct sockaddr_in server_addr = new_sock_info.server_addr;
socklen_t server_addr_length = new_sock_info.server_addr_length;
if(bind(client_socket, (struct sockaddr*)&client_addr, sizeof(client_addr))) {
printf("Client bind port failed!\n");
return 1;
}
if (connect(client_socket, (struct sockaddr*)&server_addr, server_addr_length) < 0) {
printf("Cannot connect to %s\n", SERVER_IP);
return 1;
}
char buffer[BUFFER_SIZE];
char *oper = "create";
bzero(buffer, BUFFER_SIZE);
strcpy(buffer, oper);
send(client_socket, buffer, BUFFER_SIZE, 0);
bzero(buffer, BUFFER_SIZE);
strcpy(buffer, path);
send(client_socket, buffer, BUFFER_SIZE, 0);
bzero(buffer, BUFFER_SIZE);
int i_pid = (int) pid;
sprintf(buffer, "%d", i_pid);
send(client_socket, buffer, BUFFER_SIZE, 0);
bzero(buffer, BUFFER_SIZE);
int length = recv(client_socket, buffer, BUFFER_SIZE, 0);
close(client_socket);
return strlen(buffer);
}
ssize_t INTERPOSE(read)(int fd, void *buf, size_t nbyte)
{
__real_read_init();
const bool bypass_filter =
getenv("SIXJACK_BYPASS") != NULL || is_socket(fd) == false;
struct sockaddr_storage sa_local, *sa_local_ = &sa_local;
struct sockaddr_storage sa_remote, *sa_remote_ = &sa_remote;
socklen_t sa_local_len, sa_remote_len;
get_sock_info(fd, &sa_local_, &sa_local_len, &sa_remote_, &sa_remote_len);
int ret = 0;
int ret_errno = 0;
bool bypass_call = false;
size_t new_nbyte = nbyte;
FilterReplyResultBase rb = {
.pre = true, .ret = &ret, .ret_errno = &ret_errno, .fd = fd
};
if (bypass_filter == false && (rb.filter = filter_get()) &&
filter_apply(&rb, sa_local_, sa_local_len,
sa_remote_, sa_remote_len, NULL, &new_nbyte)
== FILTER_REPLY_BYPASS) {
bypass_call = true;
}
if (bypass_call == false) {
ssize_t ret_ = __real_read(fd, buf, new_nbyte);
ret_errno = errno;
ret = (int) ret_;
assert((ssize_t) ret_ == ret);
}
if (bypass_filter == false) {
rb.pre = false;
filter_apply(&rb, sa_local_, sa_local_len,
sa_remote_, sa_remote_len, buf, &new_nbyte);
}
errno = ret_errno;
return ret;
}