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#include <bits/ensure.h>
#include <errno.h>
#include <sys/socket.h>
#include <linux/netlink.h>
#include <netinet/tcp.h>
#include <netinet/in.h>
#include <mlibc/allocator.hpp>
#include <mlibc/debug.hpp>
#include <mlibc/posix-pipe.hpp>
#include <mlibc/all-sysdeps.hpp>
#include <fs.frigg_bragi.hpp>
#include <posix.frigg_bragi.hpp>
namespace {
int fcntl_helper(int fd, int request, int *result, ...) {
va_list args;
va_start(args, result);
if(!mlibc::sys_fcntl) {
return ENOSYS;
}
int ret = mlibc::sys_fcntl(fd, request, args, result);
va_end(args);
return ret;
}
}
namespace mlibc {
int sys_accept(int fd, int *newfd, struct sockaddr *addr_ptr, socklen_t *addr_length, int flags) {
SignalGuard sguard;
managarm::posix::AcceptRequest<MemoryAllocator> req(getSysdepsAllocator());
req.set_fd(fd);
auto [offer, sendReq, recvResp] = exchangeMsgsSync(
getPosixLane(),
helix_ng::offer(
helix_ng::sendBragiHeadOnly(req, getSysdepsAllocator()),
helix_ng::recvInline()
)
);
HEL_CHECK(offer.error());
HEL_CHECK(sendReq.error());
HEL_CHECK(recvResp.error());
managarm::posix::SvrResponse<MemoryAllocator> resp(getSysdepsAllocator());
resp.ParseFromArray(recvResp.data(), recvResp.length());
if(resp.error() == managarm::posix::Errors::WOULD_BLOCK) {
return EWOULDBLOCK;
}else{
__ensure(resp.error() == managarm::posix::Errors::SUCCESS);
*newfd = resp.fd();
}
if(addr_ptr && addr_length) {
if(int e = mlibc::sys_peername(*newfd, addr_ptr, *addr_length, addr_length); e) {
errno = e;
return -1;
}
}
if(flags & SOCK_NONBLOCK) {
int fcntl_ret = 0;
fcntl_helper(*newfd, F_GETFL, &fcntl_ret);
fcntl_helper(*newfd, F_SETFL, &fcntl_ret, fcntl_ret | O_NONBLOCK);
}
if(flags & SOCK_CLOEXEC) {
int fcntl_ret = 0;
fcntl_helper(*newfd, F_GETFD, &fcntl_ret);
fcntl_helper(*newfd, F_SETFD, &fcntl_ret, fcntl_ret | FD_CLOEXEC);
}
return 0;
}
int sys_bind(int fd, const struct sockaddr *addr_ptr, socklen_t addr_length) {
SignalGuard sguard;
auto handle = getHandleForFd(fd);
if (!handle)
return EBADF;
managarm::fs::CntRequest<MemoryAllocator> req(getSysdepsAllocator());
req.set_req_type(managarm::fs::CntReqType::PT_BIND);
auto [offer, send_req, send_creds, send_buf, recv_resp] = exchangeMsgsSync(
handle,
helix_ng::offer(
helix_ng::sendBragiHeadOnly(req, getSysdepsAllocator()),
helix_ng::imbueCredentials(),
helix_ng::sendBuffer(addr_ptr, addr_length),
helix_ng::recvInline())
);
HEL_CHECK(offer.error());
HEL_CHECK(send_req.error());
HEL_CHECK(send_creds.error());
HEL_CHECK(send_buf.error());
HEL_CHECK(recv_resp.error());
managarm::fs::SvrResponse<MemoryAllocator> resp(getSysdepsAllocator());
resp.ParseFromArray(recv_resp.data(), recv_resp.length());
if(resp.error() == managarm::fs::Errors::FILE_NOT_FOUND) {
return ENOENT;
} else if(resp.error() == managarm::fs::Errors::ADDRESS_IN_USE) {
return EADDRINUSE;
} else if(resp.error() == managarm::fs::Errors::ALREADY_EXISTS) {
return EINVAL;
} else if(resp.error() == managarm::fs::Errors::ILLEGAL_OPERATION_TARGET) {
return EINVAL;
} else if(resp.error() == managarm::fs::Errors::ILLEGAL_ARGUMENT) {
return EINVAL;
} else if(resp.error() == managarm::fs::Errors::ACCESS_DENIED) {
return EACCES;
} else if(resp.error() == managarm::fs::Errors::ADDRESS_NOT_AVAILABLE) {
return EADDRNOTAVAIL;
}
__ensure(resp.error() == managarm::fs::Errors::SUCCESS);
return 0;
}
int sys_connect(int fd, const struct sockaddr *addr_ptr, socklen_t addr_length) {
SignalGuard sguard;
auto handle = getHandleForFd(fd);
if (!handle)
return EBADF;
managarm::fs::CntRequest<MemoryAllocator> req(getSysdepsAllocator());
req.set_req_type(managarm::fs::CntReqType::PT_CONNECT);
frg::string<MemoryAllocator> ser(getSysdepsAllocator());
req.SerializeToString(&ser);
auto [offer, send_req, imbue_creds, send_addr, recv_resp] =
exchangeMsgsSync(
handle,
helix_ng::offer(
helix_ng::sendBuffer(ser.data(), ser.size()),
helix_ng::imbueCredentials(),
helix_ng::sendBuffer(const_cast<struct sockaddr *>(addr_ptr), addr_length),
helix_ng::recvInline()
)
);
HEL_CHECK(offer.error());
HEL_CHECK(send_req.error());
HEL_CHECK(imbue_creds.error());
HEL_CHECK(send_addr.error());
HEL_CHECK(recv_resp.error());
managarm::fs::SvrResponse<MemoryAllocator> resp(getSysdepsAllocator());
resp.ParseFromArray(recv_resp.data(), recv_resp.length());
if(resp.error() == managarm::fs::Errors::FILE_NOT_FOUND) {
return ENOENT;
} else if(resp.error() == managarm::fs::Errors::ILLEGAL_ARGUMENT) {
return EINVAL;
}
__ensure(resp.error() == managarm::fs::Errors::SUCCESS);
return 0;
}
int sys_sockname(int fd, struct sockaddr *addr_ptr, socklen_t max_addr_length,
socklen_t *actual_length) {
SignalGuard sguard;
auto handle = getHandleForFd(fd);
if (!handle)
return EBADF;
managarm::fs::CntRequest<MemoryAllocator> req(getSysdepsAllocator());
req.set_req_type(managarm::fs::CntReqType::PT_SOCKNAME);
req.set_fd(fd);
req.set_size(max_addr_length);
auto [offer, send_req, recv_resp, recv_addr] = exchangeMsgsSync(
handle,
helix_ng::offer(
helix_ng::sendBragiHeadOnly(req, getSysdepsAllocator()),
helix_ng::recvInline(),
helix_ng::recvBuffer(addr_ptr, max_addr_length))
);
HEL_CHECK(offer.error());
HEL_CHECK(send_req.error());
HEL_CHECK(recv_resp.error());
managarm::fs::SvrResponse<MemoryAllocator> resp(getSysdepsAllocator());
resp.ParseFromArray(recv_resp.data(), recv_resp.length());
if(resp.error() == managarm::fs::Errors::ILLEGAL_OPERATION_TARGET) {
return ENOTSOCK;
}
__ensure(resp.error() == managarm::fs::Errors::SUCCESS);
HEL_CHECK(recv_addr.error());
*actual_length = resp.file_size();
return 0;
}
int sys_peername(int fd, struct sockaddr *addr_ptr, socklen_t max_addr_length,
socklen_t *actual_length) {
SignalGuard sguard;
auto handle = getHandleForFd(fd);
if (!handle)
return EBADF;
managarm::fs::CntRequest<MemoryAllocator> req(getSysdepsAllocator());
req.set_req_type(managarm::fs::CntReqType::PT_PEERNAME);
req.set_fd(fd);
req.set_size(max_addr_length);
frg::string<MemoryAllocator> ser(getSysdepsAllocator());
req.SerializeToString(&ser);
auto [offer, sendReq, recvResp, recvData] = exchangeMsgsSync(
handle,
helix_ng::offer(
helix_ng::sendBuffer(ser.data(), ser.size()),
helix_ng::recvInline(),
helix_ng::recvBuffer(addr_ptr, max_addr_length)
)
);
HEL_CHECK(offer.error());
HEL_CHECK(sendReq.error());
if(recvResp.error() == kHelErrDismissed)
return ENOTSOCK;
HEL_CHECK(recvResp.error());
HEL_CHECK(recvData.error());
managarm::fs::SvrResponse<MemoryAllocator> resp(getSysdepsAllocator());
resp.ParseFromArray(recvResp.data(), recvResp.length());
if(resp.error() == managarm::fs::Errors::ILLEGAL_OPERATION_TARGET) {
return ENOTSOCK;
}else if(resp.error() == managarm::fs::Errors::NOT_CONNECTED) {
return ENOTCONN;
}else{
__ensure(resp.error() == managarm::fs::Errors::SUCCESS);
*actual_length = resp.file_size();
return 0;
}
}
int sys_getsockopt(int fd, int layer, int number,
void *__restrict buffer, socklen_t *__restrict size) {
SignalGuard sguard;
if(layer == SOL_SOCKET && number == SO_PEERCRED) {
if(*size != sizeof(struct ucred))
return EINVAL;
auto handle = getHandleForFd(fd);
if (!handle)
return EBADF;
managarm::fs::CntRequest<MemoryAllocator> req(getSysdepsAllocator());
req.set_req_type(managarm::fs::CntReqType::PT_GET_OPTION);
req.set_command(SO_PEERCRED);
auto [offer, send_req, recv_resp] = exchangeMsgsSync(
handle,
helix_ng::offer(
helix_ng::sendBragiHeadOnly(req, getSysdepsAllocator()),
helix_ng::recvInline())
);
HEL_CHECK(offer.error());
HEL_CHECK(send_req.error());
HEL_CHECK(recv_resp.error());
managarm::fs::SvrResponse<MemoryAllocator> resp(getSysdepsAllocator());
resp.ParseFromArray(recv_resp.data(), recv_resp.length());
__ensure(resp.error() == managarm::fs::Errors::SUCCESS);
struct ucred creds;
creds.pid = resp.pid();
creds.uid = resp.uid();
creds.gid = resp.gid();
memcpy(buffer, &creds, sizeof(struct ucred));
return 0;
}else if(layer == SOL_SOCKET && number == SO_SNDBUF) {
mlibc::infoLogger() << "\e[31mmlibc: getsockopt() call with SOL_SOCKET and SO_SNDBUF is unimplemented\e[39m" << frg::endlog;
*(int *)buffer = 4096;
return 0;
}else if(layer == SOL_SOCKET && number == SO_TYPE) {
mlibc::infoLogger() << "\e[31mmlibc: getsockopt() call with SOL_SOCKET and SO_TYPE is unimplemented, hardcoding SOCK_STREAM\e[39m" << frg::endlog;
*(int *)buffer = SOCK_STREAM;
return 0;
}else if(layer == SOL_SOCKET && number == SO_ERROR) {
mlibc::infoLogger() << "\e[31mmlibc: getsockopt() call with SOL_SOCKET and SO_ERROR is unimplemented, hardcoding 0\e[39m" << frg::endlog;
*(int *)buffer = 0;
return 0;
}else if(layer == SOL_SOCKET && number == SO_KEEPALIVE) {
mlibc::infoLogger() << "\e[31mmlibc: getsockopt() call with SOL_SOCKET and SO_KEEPALIVE is unimplemented, hardcoding 0\e[39m" << frg::endlog;
*(int *)buffer = 0;
return 0;
}else if(layer == SOL_SOCKET && number == SO_LINGER) {
mlibc::infoLogger() << "\e[31mmlibc: getsockopt() call with SOL_SOCKET and SO_LINGER is unimplemented, hardcoding 0\e[39m" << frg::endlog;
*(int *)buffer = 0;
return 0;
}else{
mlibc::panicLogger() << "\e[31mmlibc: Unexpected getsockopt() call, layer: " << layer << " number: " << number << "\e[39m" << frg::endlog;
__builtin_unreachable();
}
}
int sys_setsockopt(int fd, int layer, int number,
const void *buffer, socklen_t size) {
SignalGuard sguard;
if(layer == SOL_SOCKET && number == SO_PASSCRED) {
int value;
__ensure(size == sizeof(int));
memcpy(&value, buffer, sizeof(int));
auto handle = getHandleForFd(fd);
if (!handle)
return EBADF;
managarm::fs::CntRequest<MemoryAllocator> req(getSysdepsAllocator());
req.set_req_type(managarm::fs::CntReqType::PT_SET_OPTION);
req.set_command(SO_PASSCRED);
req.set_value(value);
auto [offer, send_req, recv_resp] = exchangeMsgsSync(
handle,
helix_ng::offer(
helix_ng::sendBragiHeadOnly(req, getSysdepsAllocator()),
helix_ng::recvInline())
);
HEL_CHECK(offer.error());
HEL_CHECK(send_req.error());
HEL_CHECK(recv_resp.error());
managarm::fs::SvrResponse<MemoryAllocator> resp(getSysdepsAllocator());
resp.ParseFromArray(recv_resp.data(), recv_resp.length());
__ensure(resp.error() == managarm::fs::Errors::SUCCESS);
return 0;
}else if(layer == SOL_SOCKET && number == SO_ATTACH_FILTER) {
mlibc::infoLogger() << "\e[31mmlibc: setsockopt(SO_ATTACH_FILTER) is not implemented"
" correctly\e[39m" << frg::endlog;
return 0;
}else if(layer == SOL_SOCKET && number == SO_RCVBUFFORCE) {
mlibc::infoLogger() << "\e[31mmlibc: setsockopt(SO_RCVBUFFORCE) is not implemented"
" correctly\e[39m" << frg::endlog;
return 0;
}else if(layer == SOL_SOCKET && number == SO_SNDBUF) {
mlibc::infoLogger() << "\e[31mmlibc: setsockopt() call with SOL_SOCKET and SO_SNDBUF is unimplemented\e[39m" << frg::endlog;
return 0;
}else if(layer == SOL_SOCKET && number == SO_KEEPALIVE) {
mlibc::infoLogger() << "\e[31mmlibc: setsockopt() call with SOL_SOCKET and SO_KEEPALIVE is unimplemented\e[39m" << frg::endlog;
return 0;
}else if(layer == SOL_SOCKET && number == SO_REUSEADDR) {
mlibc::infoLogger() << "\e[31mmlibc: setsockopt() call with SOL_SOCKET and SO_REUSEADDR is unimplemented\e[39m" << frg::endlog;
return 0;
}else if(layer == SOL_SOCKET && number == SO_REUSEPORT) {
mlibc::infoLogger() << "\e[31mmlibc: setsockopt() call with SOL_SOCKET and SO_REUSEPORT is unimplemented\e[39m" << frg::endlog;
return 0;
}else if(layer == SOL_SOCKET && number == SO_RCVBUF) {
mlibc::infoLogger() << "\e[31mmlibc: setsockopt() call with SOL_SOCKET and SO_RCVBUF is unimplemented\e[39m" << frg::endlog;
return 0;
}else if(layer == IPPROTO_TCP && number == TCP_NODELAY) {
mlibc::infoLogger() << "\e[31mmlibc: setsockopt() call with IPPROTO_TCP and TCP_NODELAY is unimplemented\e[39m" << frg::endlog;
return 0;
}else if(layer == SOL_SOCKET && number == SO_ACCEPTCONN) {
mlibc::infoLogger() << "\e[31mmlibc: setsockopt() call with SOL_SOCKET and SO_ACCEPTCONN is unimplemented\e[39m" << frg::endlog;
return 0;
}else if(layer == IPPROTO_TCP && number == TCP_KEEPIDLE) {
mlibc::infoLogger() << "\e[31mmlibc: setsockopt() call with IPPROTO_TCP and TCP_KEEPIDLE is unimplemented\e[39m" << frg::endlog;
return 0;
}else if(layer == SOL_NETLINK && number == NETLINK_EXT_ACK) {
mlibc::infoLogger() << "\e[31mmlibc: setsockopt() call with SOL_NETLINK and NETLINK_EXT_ACK is unimplemented\e[39m" << frg::endlog;
return 0;
}else if(layer == SOL_NETLINK && number == NETLINK_GET_STRICT_CHK) {
mlibc::infoLogger() << "\e[31mmlibc: setsockopt() call with SOL_NETLINK and NETLINK_EXT_ACK is unimplemented\e[39m" << frg::endlog;
return 0;
}else if(layer == IPPROTO_TCP && number == TCP_KEEPINTVL) {
mlibc::infoLogger() << "\e[31mmlibc: setsockopt() call with IPPROTO_TCP and TCP_KEEPINTVL is unimplemented\e[39m" << frg::endlog;
return 0;
}else if(layer == IPPROTO_TCP && number == TCP_KEEPCNT) {
mlibc::infoLogger() << "\e[31mmlibc: setsockopt() call with IPPROTO_TCP and TCP_KEEPCNT is unimplemented\e[39m" << frg::endlog;
return 0;
}else{
mlibc::panicLogger() << "\e[31mmlibc: Unexpected setsockopt() call, layer: " << layer << " number: " << number << "\e[39m" << frg::endlog;
__builtin_unreachable();
}
}
int sys_listen(int fd, int) {
SignalGuard sguard;
auto handle = getHandleForFd(fd);
if (!handle)
return EBADF;
managarm::fs::CntRequest<MemoryAllocator> req(getSysdepsAllocator());
req.set_req_type(managarm::fs::CntReqType::PT_LISTEN);
frg::string<MemoryAllocator> ser(getSysdepsAllocator());
req.SerializeToString(&ser);
auto [offer, send_req, recv_resp] = exchangeMsgsSync(
handle,
helix_ng::offer(
helix_ng::sendBuffer(ser.data(), ser.size()),
helix_ng::recvInline()
)
);
HEL_CHECK(offer.error());
HEL_CHECK(send_req.error());
HEL_CHECK(recv_resp.error());
managarm::fs::SvrResponse<MemoryAllocator> resp(getSysdepsAllocator());
resp.ParseFromArray(recv_resp.data(), recv_resp.length());
__ensure(resp.error() == managarm::fs::Errors::SUCCESS);
return 0;
}
} //namespace mlibc
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