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- /* -*- mode:c; c-file-style:"k&r"; c-basic-offset: 4; tab-width:4; indent-tabs-mode:nil; mode:auto-fill; fill-column:78; -*- */
- /* vim: set ts=4 sw=4 et tw=78 fo=cqt wm=0: */
- #include "ocall_types.h"
- #include "ecall_types.h"
- #include "sgx_internal.h"
- #include "pal_security.h"
- #include "pal_linux_error.h"
- #include <asm/mman.h>
- #include <asm/ioctls.h>
- #include <asm/socket.h>
- #include <linux/fs.h>
- #include <linux/in.h>
- #include <linux/in6.h>
- #include <math.h>
- #include <asm/errno.h>
- #ifndef SOL_IPV6
- # define SOL_IPV6 41
- #endif
- #define ODEBUG(code, ms) do {} while (0)
- static int sgx_ocall_exit(void * pms)
- {
- ODEBUG(OCALL_EXIT, NULL);
- INLINE_SYSCALL(exit, 1, 0);
- return 0;
- }
- static int sgx_ocall_print_string(void * pms)
- {
- ms_ocall_print_string_t * ms = (ms_ocall_print_string_t *) pms;
- INLINE_SYSCALL(write, 3, 2, ms->ms_str, ms->ms_length);
- return 0;
- }
- static int sgx_ocall_alloc_untrusted(void * pms)
- {
- ms_ocall_alloc_untrusted_t * ms = (ms_ocall_alloc_untrusted_t *) pms;
- void * addr;
- ODEBUG(OCALL_ALLOC_UNTRUSTED, ms);
- addr = (void *) INLINE_SYSCALL(mmap, 6, NULL, ms->ms_size,
- PROT_READ|PROT_WRITE,
- MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
- if (IS_ERR_P(addr))
- return -PAL_ERROR_NOMEM;
- ms->ms_mem = addr;
- return 0;
- }
- static int sgx_ocall_map_untrusted(void * pms)
- {
- ms_ocall_map_untrusted_t * ms = (ms_ocall_map_untrusted_t *) pms;
- void * addr;
- ODEBUG(OCALL_MAP_UNTRUSTED, ms);
- addr = (void *) INLINE_SYSCALL(mmap, 6, NULL, ms->ms_size,
- ms->ms_prot,
- MAP_FILE|MAP_SHARED,
- ms->ms_fd, ms->ms_offset);
- if (IS_ERR_P(addr))
- return -PAL_ERROR_NOMEM;
- ms->ms_mem = addr;
- return 0;
- }
- static int sgx_ocall_unmap_untrusted(void * pms)
- {
- ms_ocall_unmap_untrusted_t * ms = (ms_ocall_unmap_untrusted_t *) pms;
- ODEBUG(OCALL_UNMAP_UNTRUSTED, ms);
- INLINE_SYSCALL(munmap, 2, ALLOC_ALIGNDOWN(ms->ms_mem),
- ALLOC_ALIGNUP(ms->ms_mem + ms->ms_size) -
- ALLOC_ALIGNDOWN(ms->ms_mem));
- return 0;
- }
- static int sgx_ocall_cpuid(void * pms)
- {
- ms_ocall_cpuid_t * ms = (ms_ocall_cpuid_t *) pms;
- ODEBUG(OCALL_CPUID, ms);
- asm volatile ("cpuid"
- : "=a"(ms->ms_values[0]),
- "=b"(ms->ms_values[1]),
- "=c"(ms->ms_values[2]),
- "=d"(ms->ms_values[3])
- : "a"(ms->ms_leaf), "c"(ms->ms_subleaf) : "memory");
- return 0;
- }
- static int sgx_ocall_open(void * pms)
- {
- ms_ocall_open_t * ms = (ms_ocall_open_t *) pms;
- int ret;
- ODEBUG(OCALL_OPEN, ms);
- ret = INLINE_SYSCALL(open, 3, ms->ms_pathname, ms->ms_flags|O_CLOEXEC,
- ms->ms_mode);
- return IS_ERR(ret) ? unix_to_pal_error(ERRNO(ret)) : ret;
- }
- static int sgx_ocall_close(void * pms)
- {
- ms_ocall_close_t * ms = (ms_ocall_close_t *) pms;
- ODEBUG(OCALL_CLOSE, ms);
- INLINE_SYSCALL(close, 1, ms->ms_fd);
- return 0;
- }
- static int sgx_ocall_read(void * pms)
- {
- ms_ocall_read_t * ms = (ms_ocall_read_t *) pms;
- int ret;
- ODEBUG(OCALL_READ, ms);
- ret = INLINE_SYSCALL(read, 3, ms->ms_fd, ms->ms_buf, ms->ms_count);
- return IS_ERR(ret) ? unix_to_pal_error(ERRNO(ret)) : ret;
- }
- static int sgx_ocall_write(void * pms)
- {
- ms_ocall_write_t * ms = (ms_ocall_write_t *) pms;
- int ret;
- ODEBUG(OCALL_WRITE, ms);
- ret = INLINE_SYSCALL(write, 3, ms->ms_fd, ms->ms_buf, ms->ms_count);
- return IS_ERR(ret) ? unix_to_pal_error(ERRNO(ret)) : ret;
- }
- static int sgx_ocall_fstat(void * pms)
- {
- ms_ocall_fstat_t * ms = (ms_ocall_fstat_t *) pms;
- int ret;
- ODEBUG(OCALL_FSTAT, ms);
- ret = INLINE_SYSCALL(fstat, 2, ms->ms_fd, &ms->ms_stat);
- return IS_ERR(ret) ? unix_to_pal_error(ERRNO(ret)) : ret;
- }
- static int sgx_ocall_fionread(void * pms)
- {
- ms_ocall_fionread_t * ms = (ms_ocall_fionread_t *) pms;
- int ret, val;
- ODEBUG(OCALL_FIONREAD, ms);
- ret = INLINE_SYSCALL(ioctl, 3, ms->ms_fd, FIONREAD, &val);
- return IS_ERR(ret) ? unix_to_pal_error(ERRNO(ret)) : val;
- }
- static int sgx_ocall_fsetnonblock(void * pms)
- {
- ms_ocall_fsetnonblock_t * ms = (ms_ocall_fsetnonblock_t *) pms;
- int ret, flags;
- ODEBUG(OCALL_FSETNONBLOCK, ms);
- ret = INLINE_SYSCALL(fcntl, 2, ms->ms_fd, F_GETFL);
- if (IS_ERR(ret))
- return -ERRNO(ret);
- flags = ret;
- if (ms->ms_nonblocking) {
- if (!(flags & O_NONBLOCK))
- ret = INLINE_SYSCALL(fcntl, 3, ms->ms_fd, F_SETFL,
- flags | O_NONBLOCK);
- } else {
- if (flags & O_NONBLOCK)
- ret = INLINE_SYSCALL(fcntl, 3, ms->ms_fd, F_SETFL,
- flags & ~O_NONBLOCK);
- }
- return IS_ERR(ret) ? unix_to_pal_error(ERRNO(ret)) : 0;
- }
- static int sgx_ocall_fchmod(void * pms)
- {
- ms_ocall_fchmod_t * ms = (ms_ocall_fchmod_t *) pms;
- int ret;
- ODEBUG(OCALL_FCHMOD, ms);
- ret = INLINE_SYSCALL(fchmod, 2, ms->ms_fd, ms->ms_mode);
- return IS_ERR(ret) ? unix_to_pal_error(ERRNO(ret)) : ret;
- }
- static int sgx_ocall_fsync(void * pms)
- {
- ms_ocall_fsync_t * ms = (ms_ocall_fsync_t *) pms;
- ODEBUG(OCALL_FSYNC, ms);
- INLINE_SYSCALL(fsync, 1, ms->ms_fd);
- return 0;
- }
- static int sgx_ocall_ftruncate(void * pms)
- {
- ms_ocall_ftruncate_t * ms = (ms_ocall_ftruncate_t *) pms;
- int ret;
- ODEBUG(OCALL_FTRUNCATE, ms);
- ret = INLINE_SYSCALL(ftruncate, 2, ms->ms_fd, ms->ms_length);
- return IS_ERR(ret) ? unix_to_pal_error(ERRNO(ret)) : ret;
- }
- static int sgx_ocall_mkdir(void * pms)
- {
- ms_ocall_mkdir_t * ms = (ms_ocall_mkdir_t *) pms;
- int ret;
- ODEBUG(OCALL_MKDIR, ms);
- ret = INLINE_SYSCALL(mkdir, 2, ms->ms_pathname, ms->ms_mode);
- return IS_ERR(ret) ? unix_to_pal_error(ERRNO(ret)) : ret;
- }
- static int sgx_ocall_getdents(void * pms)
- {
- ms_ocall_getdents_t * ms = (ms_ocall_getdents_t *) pms;
- int ret;
- ODEBUG(OCALL_GETDENTS, ms);
- ret = INLINE_SYSCALL(getdents64, 3, ms->ms_fd, ms->ms_dirp, ms->ms_size);
- return IS_ERR(ret) ? unix_to_pal_error(ERRNO(ret)) : ret;
- }
- static int sgx_ocall_wake_thread(void * pms)
- {
- ODEBUG(OCALL_WAKE_THREAD, pms);
- return pms ? interrupt_thread(pms) : clone_thread();
- }
- int sgx_create_process (const char * uri,
- int nargs, const char ** args,
- int * retfds);
- static int sgx_ocall_create_process(void * pms)
- {
- ms_ocall_create_process_t * ms = (ms_ocall_create_process_t *) pms;
- ODEBUG(OCALL_CREATE_PROCESS, ms);
- int ret = sgx_create_process(ms->ms_uri, ms->ms_nargs, ms->ms_args,
- ms->ms_proc_fds);
- if (ret < 0)
- return ret;
- ms->ms_pid = ret;
- return 0;
- }
- static int sgx_ocall_futex(void * pms)
- {
- ms_ocall_futex_t * ms = (ms_ocall_futex_t *) pms;
- int ret;
- ODEBUG(OCALL_FUTEX, ms);
- struct timespec * ts = NULL;
- if (ms->ms_timeout != OCALL_NO_TIMEOUT) {
- ts = __alloca(sizeof(struct timespec));
- ts->tv_sec = ms->ms_timeout / 1000000;
- ts->tv_nsec = (ms->ms_timeout - ts->tv_sec * 1000000) * 1000;
- }
- ret = INLINE_SYSCALL(futex, 6, ms->ms_futex, ms->ms_op, ms->ms_val,
- ts, NULL, 0);
- return IS_ERR(ret) ? unix_to_pal_error(ERRNO(ret)) : ret;
- }
- static int sgx_ocall_socketpair(void * pms)
- {
- ms_ocall_socketpair_t * ms = (ms_ocall_socketpair_t *) pms;
- int ret;
- ODEBUG(OCALL_SOCKETPAIR, ms);
- ret = INLINE_SYSCALL(socketpair, 4, ms->ms_domain,
- ms->ms_type|SOCK_CLOEXEC,
- ms->ms_protocol, &ms->ms_sockfds);
- return IS_ERR(ret) ? unix_to_pal_error(ERRNO(ret)) : ret;
- }
- static int sock_getopt(int fd, struct sockopt * opt)
- {
- return 0;
- }
- static int sgx_ocall_sock_listen(void * pms)
- {
- ms_ocall_sock_listen_t * ms = (ms_ocall_sock_listen_t *) pms;
- int ret, fd;
- ODEBUG(OCALL_SOCK_LISTEN, ms);
- ret = INLINE_SYSCALL(socket, 3, ms->ms_domain,
- ms->ms_type|SOCK_CLOEXEC,
- ms->ms_protocol);
- if (IS_ERR(ret)) {
- ret = -PAL_ERROR_DENIED;
- goto err;
- }
- fd = ret;
- if (ms->ms_addr->sa_family == AF_INET6) {
- int ipv6only = 1;
- INLINE_SYSCALL(setsockopt, 5, fd, SOL_IPV6, IPV6_V6ONLY, &ipv6only,
- sizeof(int));
- }
- /* must set the socket to be reuseable */
- int reuseaddr = 1;
- INLINE_SYSCALL(setsockopt, 5, fd, SOL_SOCKET, SO_REUSEADDR, &reuseaddr,
- sizeof(int));
- ret = INLINE_SYSCALL(bind, 3, fd, ms->ms_addr, ms->ms_addrlen);
- if (IS_ERR(ret)) {
- ret = unix_to_pal_error(ERRNO(ret));
- goto err_fd;
- }
- if (ms->ms_type & SOCK_STREAM) {
- ret = INLINE_SYSCALL(listen, 2, fd, DEFAULT_BACKLOG);
- if (IS_ERR(ret)) {
- ret = -PAL_ERROR_DENIED;
- goto err_fd;
- }
- }
- ret = sock_getopt(fd, &ms->ms_sockopt);
- if (ret < 0)
- goto err_fd;
- return fd;
- err_fd:
- INLINE_SYSCALL(close, 1, fd);
- err:
- return ret;
- }
- static int sgx_ocall_sock_accept(void * pms)
- {
- ms_ocall_sock_accept_t * ms = (ms_ocall_sock_accept_t *) pms;
- int ret, fd;
- ODEBUG(OCALL_SOCK_ACCEPT, ms);
- socklen_t addrlen = ms->ms_addrlen;
- ret = INLINE_SYSCALL(accept4, 4, ms->ms_sockfd, ms->ms_addr,
- &addrlen, O_CLOEXEC);
- if (IS_ERR(ret)) {
- ret = unix_to_pal_error(ERRNO(ret));
- goto err;
- }
- fd = ret;
- ret = sock_getopt(fd, &ms->ms_sockopt);
- if (ret < 0)
- goto err_fd;
- ms->ms_addrlen = addrlen;
- return fd;
- err_fd:
- INLINE_SYSCALL(close, 1, fd);
- err:
- return ret;
- }
- static int sgx_ocall_sock_connect(void * pms)
- {
- ms_ocall_sock_connect_t * ms = (ms_ocall_sock_connect_t *) pms;
- int ret, fd;
- ODEBUG(OCALL_SOCK_CONNECT, ms);
- ret = INLINE_SYSCALL(socket, 3, ms->ms_domain,
- ms->ms_type|SOCK_CLOEXEC,
- ms->ms_protocol);
- if (IS_ERR(ret)) {
- ret = -PAL_ERROR_DENIED;
- goto err;
- }
- fd = ret;
- if (ms->ms_addr->sa_family == AF_INET6) {
- int ipv6only = 1;
- INLINE_SYSCALL(setsockopt, 5, fd, SOL_IPV6, IPV6_V6ONLY, &ipv6only,
- sizeof(int));
- }
- if (ms->ms_bind_addr && ms->ms_bind_addr->sa_family) {
- ret = INLINE_SYSCALL(bind, 3, fd, ms->ms_bind_addr,
- ms->ms_bind_addrlen);
- if (IS_ERR(ret)) {
- ret = unix_to_pal_error(ERRNO(ret));
- goto err_fd;
- }
- }
- ret = INLINE_SYSCALL(connect, 3, fd, ms->ms_addr, ms->ms_addrlen);
- if (IS_ERR(ret) && ERRNO(ret) == EINPROGRESS) {
- do {
- struct pollfd pfd = { .fd = fd, .events = POLLOUT, .revents = 0, };
- ret = INLINE_SYSCALL(ppoll, 4, &pfd, 1, NULL, NULL);
- } while (IS_ERR(ret) &&
- ERRNO(ret) == -EWOULDBLOCK);
- }
- if (IS_ERR(ret)) {
- ret = unix_to_pal_error(ERRNO(ret));
- goto err_fd;
- }
- if (ms->ms_bind_addr && !ms->ms_bind_addr->sa_family) {
- socklen_t addrlen;
- ret = INLINE_SYSCALL(getsockname, 3, fd, ms->ms_bind_addr,
- &addrlen);
- if (IS_ERR(ret)) {
- ret = -PAL_ERROR_DENIED;
- goto err_fd;
- }
- ms->ms_bind_addrlen = addrlen;
- }
- ret = sock_getopt(fd, &ms->ms_sockopt);
- if (ret < 0)
- goto err_fd;
- return fd;
- err_fd:
- INLINE_SYSCALL(close, 1, fd);
- err:
- return ret;
- }
- static int sgx_ocall_sock_recv(void * pms)
- {
- ms_ocall_sock_recv_t * ms = (ms_ocall_sock_recv_t *) pms;
- int ret;
- ODEBUG(OCALL_SOCK_RECV, ms);
- struct sockaddr * addr = ms->ms_addr;
- socklen_t addrlen = ms->ms_addr ? ms->ms_addrlen : 0;
- if (ms->ms_sockfd == PAL_SEC()->mcast_srv)
- addr = NULL;
- ret = INLINE_SYSCALL(recvfrom, 6,
- ms->ms_sockfd, ms->ms_buf, ms->ms_count, 0,
- addr, addr ? &addrlen : NULL);
- if (!IS_ERR(ret) && addr)
- ms->ms_addrlen = addrlen;
- return IS_ERR(ret) ? unix_to_pal_error(ERRNO(ret)) : ret;
- }
- static int sgx_ocall_sock_send(void * pms)
- {
- ms_ocall_sock_send_t * ms = (ms_ocall_sock_send_t *) pms;
- int ret;
- ODEBUG(OCALL_SOCK_SEND, ms);
- const struct sockaddr * addr = ms->ms_addr;
- socklen_t addrlen = ms->ms_addr ? ms->ms_addrlen : 0;
- if (ms->ms_sockfd == PAL_SEC()->mcast_srv) {
- struct sockaddr_in * mcast_addr = __alloca(sizeof(struct sockaddr_in));
- mcast_addr->sin_family = AF_INET;
- inet_pton4(MCAST_GROUP, sizeof(MCAST_GROUP), &mcast_addr->sin_addr.s_addr);
- mcast_addr->sin_port = htons(PAL_SEC()->mcast_port);
- addr = (struct sockaddr *) mcast_addr;
- addrlen = sizeof(struct sockaddr_in);
- }
- ret = INLINE_SYSCALL(sendto, 6,
- ms->ms_sockfd, ms->ms_buf, ms->ms_count, MSG_NOSIGNAL,
- addr, addrlen);
- return IS_ERR(ret) ? unix_to_pal_error(ERRNO(ret)) : ret;
- }
- static int sgx_ocall_sock_recv_fd(void * pms)
- {
- ms_ocall_sock_recv_fd_t * ms = (ms_ocall_sock_recv_fd_t *) pms;
- int ret;
- ODEBUG(OCALL_SOCK_RECV_FD, ms);
- struct msghdr hdr;
- struct iovec iov[1];
- // receive PAL_HANDLE contents in the body
- char cbuf[sizeof(struct cmsghdr) + ms->ms_nfds * sizeof(int)];
- iov[0].iov_base = ms->ms_buf;
- iov[0].iov_len = ms->ms_count;
- // clear body memory
- memset(&hdr, 0, sizeof(struct msghdr));
- // set message header values
- hdr.msg_iov = iov;
- hdr.msg_iovlen = 1;
- hdr.msg_control = cbuf;
- hdr.msg_controllen = sizeof(struct cmsghdr) + sizeof(int) *
- ms->ms_nfds;
- hdr.msg_flags = 0;
- ret = INLINE_SYSCALL(recvmsg, 3, ms->ms_sockfd, &hdr, 0);
- if (!IS_ERR(ret)) {
- struct cmsghdr * chdr = CMSG_FIRSTHDR(&hdr);
- if (chdr &&
- chdr->cmsg_type == SCM_RIGHTS) {
- ms->ms_nfds = (chdr->cmsg_len - sizeof(struct cmsghdr)) /
- sizeof(int);
- memcpy(ms->ms_fds, CMSG_DATA(chdr), sizeof(int) * ms->ms_nfds);
- } else {
- ms->ms_nfds = 0;
- }
- return ret;
- }
- return unix_to_pal_error(ERRNO(ret));
- }
- static int sgx_ocall_sock_send_fd(void * pms)
- {
- ms_ocall_sock_send_fd_t * ms = (ms_ocall_sock_send_fd_t *) pms;
- int ret;
- ODEBUG(OCALL_SOCK_SEND_FD, ms);
- // Declare variables required for sending the message
- struct msghdr hdr; // message header
- struct cmsghdr * chdr; //control message header
- struct iovec iov[1]; // IO Vector
- /* Message Body Composition:
- IOVEC[0]: PAL_HANDLE
- IOVEC[1..n]: Additional handle member follow
- Control Message: file descriptors */
- // Control message buffer with added space for 2 fds (ie. max size
- // that it will have)
- char cbuf[sizeof(struct cmsghdr) + ms->ms_nfds * sizeof(int)];
- iov[0].iov_base = (void *) ms->ms_buf;
- iov[0].iov_len = ms->ms_count;
- hdr.msg_name = NULL;
- hdr.msg_namelen = 0;
- hdr.msg_iov = iov;
- hdr.msg_iovlen = 1;
- hdr.msg_flags = 0;
- hdr.msg_control = cbuf; // Control Message Buffer
- hdr.msg_controllen = sizeof(struct cmsghdr) + sizeof(int) * ms->ms_nfds;
- // Fill control message infomation for the file descriptors
- // Check hdr.msg_controllen >= sizeof(struct cmsghdr) to point to
- // cbuf, which is redundant based on the above code as we have
- // statically allocated memory.
- // or (struct cmsghdr*) cbuf
- chdr = CMSG_FIRSTHDR(&hdr); // Pointer to msg_control
- chdr->cmsg_level = SOL_SOCKET; // Originating Protocol
- chdr->cmsg_type = SCM_RIGHTS; // Protocol Specific Type
- // Length of control message = sizeof(struct cmsghdr) + nfds
- chdr->cmsg_len = CMSG_LEN(sizeof(int) * ms->ms_nfds);
- // Copy the fds below control header
- memcpy(CMSG_DATA(chdr), ms->ms_fds, sizeof(int) * ms->ms_nfds);
- // Also, Update main header with control message length (duplicate)
- hdr.msg_controllen = chdr->cmsg_len;
- ret = INLINE_SYSCALL(sendmsg, 3, ms->ms_sockfd, &hdr, MSG_NOSIGNAL);
- return IS_ERR(ret) ? unix_to_pal_error(ERRNO(ret)) : ret;
- }
- static int sgx_ocall_sock_setopt(void * pms)
- {
- ms_ocall_sock_setopt_t * ms = (ms_ocall_sock_setopt_t *) pms;
- int ret;
- ODEBUG(OCALL_SOCK_SETOPT, ms);
- ret = INLINE_SYSCALL(setsockopt, 5,
- ms->ms_sockfd, ms->ms_level, ms->ms_optname,
- ms->ms_optval, ms->ms_optlen);
- return IS_ERR(ret) ? unix_to_pal_error(ERRNO(ret)) : ret;
- }
- static int sgx_ocall_sock_shutdown(void * pms)
- {
- ms_ocall_sock_shutdown_t * ms = (ms_ocall_sock_shutdown_t *) pms;
- ODEBUG(OCALL_SOCK_SHUTDOWN, ms);
- INLINE_SYSCALL(shutdown, 2, ms->ms_sockfd, ms->ms_how);
- return 0;
- }
- static int sgx_ocall_gettime(void * pms)
- {
- ms_ocall_gettime_t * ms = (ms_ocall_gettime_t *) pms;
- ODEBUG(OCALL_GETTIME, ms);
- struct timeval tv;
- INLINE_SYSCALL(gettimeofday, 2, &tv, NULL);
- ms->ms_microsec = tv.tv_sec * 1000000UL + tv.tv_usec;
- return 0;
- }
- static int sgx_ocall_sleep(void * pms)
- {
- ms_ocall_sleep_t * ms = (ms_ocall_sleep_t *) pms;
- int ret;
- ODEBUG(OCALL_SLEEP, ms);
- if (!ms->ms_microsec) {
- INLINE_SYSCALL(sched_yield, 0);
- return 0;
- }
- struct timespec req, rem;
- req.tv_sec = ms->ms_microsec / 1000000;
- req.tv_nsec = (ms->ms_microsec - req.tv_sec * 1000000) * 1000;
- ret = INLINE_SYSCALL(nanosleep, 2, &req, &rem);
- if (IS_ERR(ret) && ERRNO(ret) == EINTR)
- ms->ms_microsec = rem.tv_sec * 1000000 + rem.tv_nsec / 1000;
- return IS_ERR(ret) ? unix_to_pal_error(ERRNO(ret)) : ret;
- }
- static int sgx_ocall_poll(void * pms)
- {
- ms_ocall_poll_t * ms = (ms_ocall_poll_t *) pms;
- int ret;
- ODEBUG(OCALL_POLL, ms);
- struct timespec * ts = NULL;
- if (ms->ms_timeout != OCALL_NO_TIMEOUT) {
- ts = __alloca(sizeof(struct timespec));
- ts->tv_sec = ms->ms_timeout / 1000000;
- ts->tv_nsec = (ms->ms_timeout - ts->tv_sec * 1000000) * 1000;
- }
- ret = INLINE_SYSCALL(ppoll, 4, ms->ms_fds, ms->ms_nfds, ts, NULL);
- return IS_ERR(ret) ? unix_to_pal_error(ERRNO(ret)) : ret;
- }
- static int sgx_ocall_rename(void * pms)
- {
- ms_ocall_rename_t * ms = (ms_ocall_rename_t *) pms;
- int ret;
- ODEBUG(OCALL_RENAME, ms);
- ret = INLINE_SYSCALL(rename, 2, ms->ms_oldpath, ms->ms_newpath);
- return IS_ERR(ret) ? unix_to_pal_error(ERRNO(ret)) : ret;
- }
- static int sgx_ocall_delete(void * pms)
- {
- ms_ocall_delete_t * ms = (ms_ocall_delete_t *) pms;
- int ret;
- ODEBUG(OCALL_DELETE, ms);
- ret = INLINE_SYSCALL(unlink, 1, ms->ms_pathname);
- if (IS_ERR(ret) && ERRNO(ret) == EISDIR)
- ret = INLINE_SYSCALL(rmdir, 1, ms->ms_pathname);
- return IS_ERR(ret) ? unix_to_pal_error(ERRNO(ret)) : ret;
- }
- void load_gdb_command (const char * command);
- static int sgx_ocall_load_debug(void * pms)
- {
- const char * command = (const char *) pms;
- ODEBUG(OCALL_LOAD_DEBUG, (void *) command);
- load_gdb_command(command);
- return 0;
- }
- void * ocall_table[OCALL_NR] = {
- [OCALL_EXIT] = (void *) sgx_ocall_exit,
- [OCALL_PRINT_STRING] = (void *) sgx_ocall_print_string,
- [OCALL_ALLOC_UNTRUSTED] = (void *) sgx_ocall_alloc_untrusted,
- [OCALL_MAP_UNTRUSTED] = (void *) sgx_ocall_map_untrusted,
- [OCALL_UNMAP_UNTRUSTED] = (void *) sgx_ocall_unmap_untrusted,
- [OCALL_CPUID] = (void *) sgx_ocall_cpuid,
- [OCALL_OPEN] = (void *) sgx_ocall_open,
- [OCALL_CLOSE] = (void *) sgx_ocall_close,
- [OCALL_READ] = (void *) sgx_ocall_read,
- [OCALL_WRITE] = (void *) sgx_ocall_write,
- [OCALL_FSTAT] = (void *) sgx_ocall_fstat,
- [OCALL_FIONREAD] = (void *) sgx_ocall_fionread,
- [OCALL_FSETNONBLOCK] = (void *) sgx_ocall_fsetnonblock,
- [OCALL_FCHMOD] = (void *) sgx_ocall_fchmod,
- [OCALL_FSYNC] = (void *) sgx_ocall_fsync,
- [OCALL_FTRUNCATE] = (void *) sgx_ocall_ftruncate,
- [OCALL_MKDIR] = (void *) sgx_ocall_mkdir,
- [OCALL_GETDENTS] = (void *) sgx_ocall_getdents,
- [OCALL_WAKE_THREAD] = (void *) sgx_ocall_wake_thread,
- [OCALL_CREATE_PROCESS] = (void *) sgx_ocall_create_process,
- [OCALL_FUTEX] = (void *) sgx_ocall_futex,
- [OCALL_SOCKETPAIR] = (void *) sgx_ocall_socketpair,
- [OCALL_SOCK_LISTEN] = (void *) sgx_ocall_sock_listen,
- [OCALL_SOCK_ACCEPT] = (void *) sgx_ocall_sock_accept,
- [OCALL_SOCK_CONNECT] = (void *) sgx_ocall_sock_connect,
- [OCALL_SOCK_RECV] = (void *) sgx_ocall_sock_recv,
- [OCALL_SOCK_SEND] = (void *) sgx_ocall_sock_send,
- [OCALL_SOCK_RECV_FD] = (void *) sgx_ocall_sock_recv_fd,
- [OCALL_SOCK_SEND_FD] = (void *) sgx_ocall_sock_send_fd,
- [OCALL_SOCK_SETOPT] = (void *) sgx_ocall_sock_setopt,
- [OCALL_SOCK_SHUTDOWN] = (void *) sgx_ocall_sock_shutdown,
- [OCALL_GETTIME] = (void *) sgx_ocall_gettime,
- [OCALL_SLEEP] = (void *) sgx_ocall_sleep,
- [OCALL_POLL] = (void *) sgx_ocall_poll,
- [OCALL_RENAME] = (void *) sgx_ocall_rename,
- [OCALL_DELETE] = (void *) sgx_ocall_delete,
- [OCALL_LOAD_DEBUG] = (void *) sgx_ocall_load_debug,
- };
- #define EDEBUG(code, ms) do {} while (0)
- int ecall_enclave_start (const char ** arguments, const char ** environments)
- {
- ms_ecall_enclave_start_t ms;
- ms.ms_arguments = arguments;
- ms.ms_environments = environments;
- ms.ms_sec_info = PAL_SEC();
- EDEBUG(ECALL_ENCLAVE_START, &ms);
- return sgx_ecall(ECALL_ENCLAVE_START, &ms);
- }
- int ecall_thread_start (void)
- {
- EDEBUG(ECALL_THREAD_START, NULL);
- return sgx_ecall(ECALL_THREAD_START, NULL);
- }
- void __abort(void) {
- INLINE_SYSCALL(exit_group, 1, -1);
- }
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