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#include <mlibc/all-sysdeps.hpp>
#include <mlibc/thread-entry.hpp>
#include <mlibc/debug.hpp>
#include <abi-bits/in.h>
#include <abi-bits/errno.h>
#include <aero/syscall.h>
#include <unistd.h>
#include <stdint.h>
#include <net/if.h>
#include <sys/ioctl.h>
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_socket(int family, int type, int protocol, int *fd) {
auto result = syscall(SYS_SOCKET, family, type, protocol);
if (result < 0) {
return -result;
}
*fd = result;
return 0;
}
int sys_bind(int fd, const struct sockaddr *addr_ptr, socklen_t addr_length) {
auto result = syscall(SYS_BIND, fd, addr_ptr, (sc_word_t)addr_length);
if (result < 0) {
return -result;
}
return 0;
}
int sys_connect(int fd, const struct sockaddr *addr_ptr,
socklen_t addr_length) {
auto result = syscall(SYS_CONNECT, fd, addr_ptr, (sc_word_t)addr_length);
if (result < 0) {
return -result;
}
return 0;
}
int sys_listen(int fd, int backlog) {
auto result = syscall(SYS_LISTEN, fd, backlog);
if (result < 0) {
return -result;
}
return 0;
}
int sys_accept(int sockfd, int *newfd, struct sockaddr *addr_ptr,
socklen_t *addr_length, int flags) {
auto result = syscall(SYS_ACCEPT, sockfd, addr_ptr, addr_length);
if (result < 0) {
return -result;
}
*newfd = result;
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_msg_send(int fd, const struct msghdr *hdr, int flags, ssize_t *length) {
auto result = syscall(SYS_SOCK_SEND, fd, hdr, flags);
if (result < 0)
return -result;
*length = result;
return 0;
}
int sys_msg_recv(int sockfd, struct msghdr *msg_hdr, int flags,
ssize_t *length) {
auto result = syscall(SYS_SOCK_RECV, sockfd, msg_hdr, flags);
if (result < 0) {
return -result;
}
*length = result;
return 0;
}
int sys_socketpair(int domain, int type_and_flags, int proto, int *fds) {
auto result = syscall(SYS_SOCKET_PAIR, domain, type_and_flags, proto, fds);
if (result < 0) {
return -result;
}
return 0;
}
int sys_getsockopt(int fd, int layer, int number, void *__restrict buffer,
socklen_t *__restrict size) {
(void)fd;
(void)size;
if (layer == SOL_SOCKET && number == SO_PEERCRED) {
mlibc::infoLogger() << "\e[31mmlibc: getsockopt() call with SOL_SOCKET "
"and SO_PEERCRED is unimplemented\e[39m"
<< frg::endlog;
*(int *)buffer = 0;
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 {
mlibc::panicLogger()
<< "\e[31mmlibc: Unexpected getsockopt() call, layer: " << layer
<< " number: " << number << "\e[39m" << frg::endlog;
__builtin_unreachable();
}
return 0;
}
int sys_setsockopt(int fd, int layer, int number, const void *buffer,
socklen_t size) {
(void)fd;
(void)buffer;
(void)size;
if (layer == SOL_SOCKET && number == SO_PASSCRED) {
mlibc::infoLogger() << "\e[31mmlibc: setsockopt(SO_PASSCRED) is not "
"implemented correctly\e[39m"
<< frg::endlog;
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 == AF_NETLINK && number == SO_ACCEPTCONN) {
mlibc::infoLogger() << "\e[31mmlibc: setsockopt() call with AF_NETLINK "
"and SO_ACCEPTCONN is unimplemented\e[39m"
<< frg::endlog;
return 0;
} else {
mlibc::infoLogger()
<< "\e[31mmlibc: Unexpected setsockopt() call, layer: " << layer
<< " number: " << number << "\e[39m" << frg::endlog;
return 0;
}
}
int sys_shutdown(int sockfd, int how) {
auto ret = syscall(SYS_SOCK_SHUTDOWN, sockfd, how);
if(int e = sc_error(ret); e)
return e;
return 0;
}
int sys_if_nametoindex(const char *name, unsigned int *ret) {
int fd = 0;
int r = sys_socket(AF_INET, SOCK_DGRAM | SOCK_CLOEXEC, AF_UNSPEC, &fd);
if (r)
return r;
struct ifreq ifr;
strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name);
r = sys_ioctl(fd, SIOCGIFINDEX, &ifr, NULL);
close(fd);
if (r)
return r;
*ret = ifr.ifr_ifindex;
return 0;
}
} // namespace mlibc
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