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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
 * This file essentially replicates NSPR's source for the functions that
 * map system-specific error codes to NSPR error codes.  We would use
 * NSPR's functions, instead of duplicating them, but they're private.
 * As long as SSL's server session cache code must do platform native I/O
 * to accomplish its job, and NSPR's error mapping functions remain private,
 * this code will continue to need to be replicated.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#if 0
#include "primpl.h"
#else
#define _PR_POLL_AVAILABLE 1
#include "prerror.h"
#endif

#if defined(__bsdi__) || defined(NTO) || defined(DARWIN) || defined(BEOS)
#undef _PR_POLL_AVAILABLE
#endif

#if defined(_PR_POLL_AVAILABLE)
#include <poll.h>
#endif
#include <errno.h>

/* forward declarations. */
void nss_MD_unix_map_default_error(int err);

void
nss_MD_unix_map_opendir_error(int err)
{
    nss_MD_unix_map_default_error(err);
}

void
nss_MD_unix_map_closedir_error(int err)
{
    PRErrorCode prError;
    switch (err) {
        case EINVAL:
            prError = PR_BAD_DESCRIPTOR_ERROR;
            break;
        default:
            nss_MD_unix_map_default_error(err);
            return;
    }
    PR_SetError(prError, err);
}

void
nss_MD_unix_readdir_error(int err)
{
    PRErrorCode prError;

    switch (err) {
        case ENOENT:
            prError = PR_NO_MORE_FILES_ERROR;
            break;
#ifdef EOVERFLOW
        case EOVERFLOW:
            prError = PR_IO_ERROR;
            break;
#endif
        case EINVAL:
            prError = PR_IO_ERROR;
            break;
        case ENXIO:
            prError = PR_IO_ERROR;
            break;
        default:
            nss_MD_unix_map_default_error(err);
            return;
    }
    PR_SetError(prError, err);
}

void
nss_MD_unix_map_unlink_error(int err)
{
    PRErrorCode prError;
    switch (err) {
        case EPERM:
            prError = PR_IS_DIRECTORY_ERROR;
            break;
        default:
            nss_MD_unix_map_default_error(err);
            return;
    }
    PR_SetError(prError, err);
}

void
nss_MD_unix_map_stat_error(int err)
{
    PRErrorCode prError;
    switch (err) {
        case ETIMEDOUT:
            prError = PR_REMOTE_FILE_ERROR;
            break;
        default:
            nss_MD_unix_map_default_error(err);
            return;
    }
    PR_SetError(prError, err);
}

void
nss_MD_unix_map_fstat_error(int err)
{
    PRErrorCode prError;
    switch (err) {
        case ETIMEDOUT:
            prError = PR_REMOTE_FILE_ERROR;
            break;
        default:
            nss_MD_unix_map_default_error(err);
            return;
    }
    PR_SetError(prError, err);
}

void
nss_MD_unix_map_rename_error(int err)
{
    PRErrorCode prError;
    switch (err) {
        case EEXIST:
            prError = PR_DIRECTORY_NOT_EMPTY_ERROR;
            break;
        default:
            nss_MD_unix_map_default_error(err);
            return;
    }
    PR_SetError(prError, err);
}

void
nss_MD_unix_map_access_error(int err)
{
    PRErrorCode prError;
    switch (err) {
        case ETIMEDOUT:
            prError = PR_REMOTE_FILE_ERROR;
            break;
        default:
            nss_MD_unix_map_default_error(err);
            return;
    }
    PR_SetError(prError, err);
}

void
nss_MD_unix_map_mkdir_error(int err)
{
    nss_MD_unix_map_default_error(err);
}

void
nss_MD_unix_map_rmdir_error(int err)
{
    PRErrorCode prError;

    switch (err) {
        case EEXIST:
            prError = PR_DIRECTORY_NOT_EMPTY_ERROR;
            break;
        case EINVAL:
            prError = PR_DIRECTORY_NOT_EMPTY_ERROR;
            break;
        case ETIMEDOUT:
            prError = PR_REMOTE_FILE_ERROR;
            break;
        default:
            nss_MD_unix_map_default_error(err);
            return;
    }
    PR_SetError(prError, err);
}

void
nss_MD_unix_map_read_error(int err)
{
    PRErrorCode prError;
    switch (err) {
        case EINVAL:
            prError = PR_INVALID_METHOD_ERROR;
            break;
        case ENXIO:
            prError = PR_INVALID_ARGUMENT_ERROR;
            break;
        default:
            nss_MD_unix_map_default_error(err);
            return;
    }
    PR_SetError(prError, err);
}

void
nss_MD_unix_map_write_error(int err)
{
    PRErrorCode prError;
    switch (err) {
        case EINVAL:
            prError = PR_INVALID_METHOD_ERROR;
            break;
        case ENXIO:
            prError = PR_INVALID_METHOD_ERROR;
            break;
        case ETIMEDOUT:
            prError = PR_REMOTE_FILE_ERROR;
            break;
        default:
            nss_MD_unix_map_default_error(err);
            return;
    }
    PR_SetError(prError, err);
}

void
nss_MD_unix_map_lseek_error(int err)
{
    nss_MD_unix_map_default_error(err);
}

void
nss_MD_unix_map_fsync_error(int err)
{
    PRErrorCode prError;
    switch (err) {
        case ETIMEDOUT:
            prError = PR_REMOTE_FILE_ERROR;
            break;
        case EINVAL:
            prError = PR_INVALID_METHOD_ERROR;
            break;
        default:
            nss_MD_unix_map_default_error(err);
            return;
    }
    PR_SetError(prError, err);
}

void
nss_MD_unix_map_close_error(int err)
{
    PRErrorCode prError;
    switch (err) {
        case ETIMEDOUT:
            prError = PR_REMOTE_FILE_ERROR;
            break;
        default:
            nss_MD_unix_map_default_error(err);
            return;
    }
    PR_SetError(prError, err);
}

void
nss_MD_unix_map_socket_error(int err)
{
    PRErrorCode prError;
    switch (err) {
        case ENOMEM:
            prError = PR_INSUFFICIENT_RESOURCES_ERROR;
            break;
        default:
            nss_MD_unix_map_default_error(err);
            return;
    }
    PR_SetError(prError, err);
}

void
nss_MD_unix_map_socketavailable_error(int err)
{
    PR_SetError(PR_BAD_DESCRIPTOR_ERROR, err);
}

void
nss_MD_unix_map_recv_error(int err)
{
    nss_MD_unix_map_default_error(err);
}

void
nss_MD_unix_map_recvfrom_error(int err)
{
    nss_MD_unix_map_default_error(err);
}

void
nss_MD_unix_map_send_error(int err)
{
    nss_MD_unix_map_default_error(err);
}

void
nss_MD_unix_map_sendto_error(int err)
{
    nss_MD_unix_map_default_error(err);
}

void
nss_MD_unix_map_writev_error(int err)
{
    nss_MD_unix_map_default_error(err);
}

void
nss_MD_unix_map_accept_error(int err)
{
    PRErrorCode prError;
    switch (err) {
        case ENODEV:
            prError = PR_NOT_TCP_SOCKET_ERROR;
            break;
        default:
            nss_MD_unix_map_default_error(err);
            return;
    }
    PR_SetError(prError, err);
}

void
nss_MD_unix_map_connect_error(int err)
{
    PRErrorCode prError;
    switch (err) {
        case EACCES:
            prError = PR_ADDRESS_NOT_SUPPORTED_ERROR;
            break;
#if defined(UNIXWARE) || defined(SNI) || defined(NEC)
        /*
         * On some platforms, if we connect to a port on the local host
         * (the loopback address) that no process is listening on, we get
         * EIO instead of ECONNREFUSED.
         */
        case EIO:
            prError = PR_CONNECT_REFUSED_ERROR;
            break;
#endif
        case ELOOP:
            prError = PR_ADDRESS_NOT_SUPPORTED_ERROR;
            break;
        case ENOENT:
            prError = PR_ADDRESS_NOT_SUPPORTED_ERROR;
            break;
        case ENXIO:
            prError = PR_IO_ERROR;
            break;
        default:
            nss_MD_unix_map_default_error(err);
            return;
    }
    PR_SetError(prError, err);
}

void
nss_MD_unix_map_bind_error(int err)
{
    PRErrorCode prError;
    switch (err) {
        case EINVAL:
            prError = PR_SOCKET_ADDRESS_IS_BOUND_ERROR;
            break;
        /*
             * UNIX domain sockets are not supported in NSPR
             */
        case EIO:
            prError = PR_ADDRESS_NOT_SUPPORTED_ERROR;
            break;
        case EISDIR:
            prError = PR_ADDRESS_NOT_SUPPORTED_ERROR;
            break;
        case ELOOP:
            prError = PR_ADDRESS_NOT_SUPPORTED_ERROR;
            break;
        case ENOENT:
            prError = PR_ADDRESS_NOT_SUPPORTED_ERROR;
            break;
        case ENOTDIR:
            prError = PR_ADDRESS_NOT_SUPPORTED_ERROR;
            break;
        case EROFS:
            prError = PR_ADDRESS_NOT_SUPPORTED_ERROR;
            break;
        default:
            nss_MD_unix_map_default_error(err);
            return;
    }
    PR_SetError(prError, err);
}

void
nss_MD_unix_map_listen_error(int err)
{
    nss_MD_unix_map_default_error(err);
}

void
nss_MD_unix_map_shutdown_error(int err)
{
    nss_MD_unix_map_default_error(err);
}

void
nss_MD_unix_map_socketpair_error(int err)
{
    PRErrorCode prError;
    switch (err) {
        case ENOMEM:
            prError = PR_INSUFFICIENT_RESOURCES_ERROR;
            break;
        default:
            nss_MD_unix_map_default_error(err);
            return;
    }
    PR_SetError(prError, err);
}

void
nss_MD_unix_map_getsockname_error(int err)
{
    PRErrorCode prError;
    switch (err) {
        case ENOMEM:
            prError = PR_INSUFFICIENT_RESOURCES_ERROR;
            break;
        default:
            nss_MD_unix_map_default_error(err);
            return;
    }
    PR_SetError(prError, err);
}

void
nss_MD_unix_map_getpeername_error(int err)
{
    PRErrorCode prError;

    switch (err) {
        case ENOMEM:
            prError = PR_INSUFFICIENT_RESOURCES_ERROR;
            break;
        default:
            nss_MD_unix_map_default_error(err);
            return;
    }
    PR_SetError(prError, err);
}

void
nss_MD_unix_map_getsockopt_error(int err)
{
    PRErrorCode prError;
    switch (err) {
        case EINVAL:
            prError = PR_BUFFER_OVERFLOW_ERROR;
            break;
        case ENOMEM:
            prError = PR_INSUFFICIENT_RESOURCES_ERROR;
            break;
        default:
            nss_MD_unix_map_default_error(err);
            return;
    }
    PR_SetError(prError, err);
}

void
nss_MD_unix_map_setsockopt_error(int err)
{
    PRErrorCode prError;
    switch (err) {
        case EINVAL:
            prError = PR_BUFFER_OVERFLOW_ERROR;
            break;
        case ENOMEM:
            prError = PR_INSUFFICIENT_RESOURCES_ERROR;
            break;
        default:
            nss_MD_unix_map_default_error(err);
            return;
    }
    PR_SetError(prError, err);
}

void
nss_MD_unix_map_open_error(int err)
{
    PRErrorCode prError;
    switch (err) {
        case EAGAIN:
            prError = PR_INSUFFICIENT_RESOURCES_ERROR;
            break;
        case EBUSY:
            prError = PR_IO_ERROR;
            break;
        case ENODEV:
            prError = PR_FILE_NOT_FOUND_ERROR;
            break;
        case ENOMEM:
            prError = PR_INSUFFICIENT_RESOURCES_ERROR;
            break;
        case ETIMEDOUT:
            prError = PR_REMOTE_FILE_ERROR;
            break;
        default:
            nss_MD_unix_map_default_error(err);
            return;
    }
    PR_SetError(prError, err);
}

void
nss_MD_unix_map_mmap_error(int err)
{
    PRErrorCode prError;
    switch (err) {
        case EAGAIN:
            prError = PR_INSUFFICIENT_RESOURCES_ERROR;
            break;
        case EMFILE:
            prError = PR_INSUFFICIENT_RESOURCES_ERROR;
            break;
        case ENODEV:
            prError = PR_OPERATION_NOT_SUPPORTED_ERROR;
            break;
        case ENXIO:
            prError = PR_INVALID_ARGUMENT_ERROR;
            break;
        default:
            nss_MD_unix_map_default_error(err);
            return;
    }
    PR_SetError(prError, err);
}

void
nss_MD_unix_map_gethostname_error(int err)
{
    nss_MD_unix_map_default_error(err);
}

void
nss_MD_unix_map_select_error(int err)
{
    nss_MD_unix_map_default_error(err);
}

#ifdef _PR_POLL_AVAILABLE
void
nss_MD_unix_map_poll_error(int err)
{
    PRErrorCode prError;

    switch (err) {
        case EAGAIN:
            prError = PR_INSUFFICIENT_RESOURCES_ERROR;
            break;
        default:
            nss_MD_unix_map_default_error(err);
            return;
    }
    PR_SetError(prError, err);
}

void
nss_MD_unix_map_poll_revents_error(int err)
{
    if (err & POLLNVAL)
        PR_SetError(PR_BAD_DESCRIPTOR_ERROR, EBADF);
    else if (err & POLLHUP)
        PR_SetError(PR_CONNECT_RESET_ERROR, EPIPE);
    else if (err & POLLERR)
        PR_SetError(PR_IO_ERROR, EIO);
    else
        PR_SetError(PR_UNKNOWN_ERROR, err);
}
#endif /* _PR_POLL_AVAILABLE */

void
nss_MD_unix_map_flock_error(int err)
{
    PRErrorCode prError;
    switch (err) {
        case EINVAL:
            prError = PR_BAD_DESCRIPTOR_ERROR;
            break;
        case EWOULDBLOCK:
            prError = PR_FILE_IS_LOCKED_ERROR;
            break;
        default:
            nss_MD_unix_map_default_error(err);
            return;
    }
    PR_SetError(prError, err);
}

void
nss_MD_unix_map_lockf_error(int err)
{
    PRErrorCode prError;
    switch (err) {
        case EACCES:
            prError = PR_FILE_IS_LOCKED_ERROR;
            break;
        case EDEADLK:
            prError = PR_INSUFFICIENT_RESOURCES_ERROR;
            break;
        default:
            nss_MD_unix_map_default_error(err);
            return;
    }
    PR_SetError(prError, err);
}

#ifdef HPUX11
void
nss_MD_hpux_map_sendfile_error(int err)
{
    nss_MD_unix_map_default_error(err);
}
#endif /* HPUX11 */

void
nss_MD_unix_map_default_error(int err)
{
    PRErrorCode prError;
    switch (err) {
        case EACCES:
            prError = PR_NO_ACCESS_RIGHTS_ERROR;
            break;
        case EADDRINUSE:
            prError = PR_ADDRESS_IN_USE_ERROR;
            break;
        case EADDRNOTAVAIL:
            prError = PR_ADDRESS_NOT_AVAILABLE_ERROR;
            break;
        case EAFNOSUPPORT:
            prError = PR_ADDRESS_NOT_SUPPORTED_ERROR;
            break;
        case EAGAIN:
            prError = PR_WOULD_BLOCK_ERROR;
            break;
/*
     * On QNX and Neutrino, EALREADY is defined as EBUSY.
     */
#if EALREADY != EBUSY
        case EALREADY:
            prError = PR_ALREADY_INITIATED_ERROR;
            break;
#endif
        case EBADF:
            prError = PR_BAD_DESCRIPTOR_ERROR;
            break;
#ifdef EBADMSG
        case EBADMSG:
            prError = PR_IO_ERROR;
            break;
#endif
        case EBUSY:
            prError = PR_FILESYSTEM_MOUNTED_ERROR;
            break;
        case ECONNREFUSED:
            prError = PR_CONNECT_REFUSED_ERROR;
            break;
        case ECONNRESET:
            prError = PR_CONNECT_RESET_ERROR;
            break;
        case EDEADLK:
            prError = PR_DEADLOCK_ERROR;
            break;
#ifdef EDIRCORRUPTED
        case EDIRCORRUPTED:
            prError = PR_DIRECTORY_CORRUPTED_ERROR;
            break;
#endif
#ifdef EDQUOT
        case EDQUOT:
            prError = PR_NO_DEVICE_SPACE_ERROR;
            break;
#endif
        case EEXIST:
            prError = PR_FILE_EXISTS_ERROR;
            break;
        case EFAULT:
            prError = PR_ACCESS_FAULT_ERROR;
            break;
        case EFBIG:
            prError = PR_FILE_TOO_BIG_ERROR;
            break;
        case EINPROGRESS:
            prError = PR_IN_PROGRESS_ERROR;
            break;
        case EINTR:
            prError = PR_PENDING_INTERRUPT_ERROR;
            break;
        case EINVAL:
            prError = PR_INVALID_ARGUMENT_ERROR;
            break;
        case EIO:
            prError = PR_IO_ERROR;
            break;
        case EISCONN:
            prError = PR_IS_CONNECTED_ERROR;
            break;
        case EISDIR:
            prError = PR_IS_DIRECTORY_ERROR;
            break;
        case ELOOP:
            prError = PR_LOOP_ERROR;
            break;
        case EMFILE:
            prError = PR_PROC_DESC_TABLE_FULL_ERROR;
            break;
        case EMLINK:
            prError = PR_MAX_DIRECTORY_ENTRIES_ERROR;
            break;
        case EMSGSIZE:
            prError = PR_INVALID_ARGUMENT_ERROR;
            break;
#ifdef EMULTIHOP
        case EMULTIHOP:
            prError = PR_REMOTE_FILE_ERROR;
            break;
#endif
        case ENAMETOOLONG:
            prError = PR_NAME_TOO_LONG_ERROR;
            break;
        case ENETUNREACH:
            prError = PR_NETWORK_UNREACHABLE_ERROR;
            break;
        case ENFILE:
            prError = PR_SYS_DESC_TABLE_FULL_ERROR;
            break;
#if !defined(SCO)
        case ENOBUFS:
            prError = PR_INSUFFICIENT_RESOURCES_ERROR;
            break;
#endif
        case ENODEV:
            prError = PR_FILE_NOT_FOUND_ERROR;
            break;
        case ENOENT:
            prError = PR_FILE_NOT_FOUND_ERROR;
            break;
        case ENOLCK:
            prError = PR_FILE_IS_LOCKED_ERROR;
            break;
#ifdef ENOLINK
        case ENOLINK:
            prError = PR_REMOTE_FILE_ERROR;
            break;
#endif
        case ENOMEM:
            prError = PR_OUT_OF_MEMORY_ERROR;
            break;
        case ENOPROTOOPT:
            prError = PR_INVALID_ARGUMENT_ERROR;
            break;
        case ENOSPC:
            prError = PR_NO_DEVICE_SPACE_ERROR;
            break;
#ifdef ENOSR
        case ENOSR:
            prError = PR_INSUFFICIENT_RESOURCES_ERROR;
            break;
#endif
        case ENOTCONN:
            prError = PR_NOT_CONNECTED_ERROR;
            break;
        case ENOTDIR:
            prError = PR_NOT_DIRECTORY_ERROR;
            break;
        case ENOTSOCK:
            prError = PR_NOT_SOCKET_ERROR;
            break;
        case ENXIO:
            prError = PR_FILE_NOT_FOUND_ERROR;
            break;
        case EOPNOTSUPP:
            prError = PR_NOT_TCP_SOCKET_ERROR;
            break;
#ifdef EOVERFLOW
        case EOVERFLOW:
            prError = PR_BUFFER_OVERFLOW_ERROR;
            break;
#endif
        case EPERM:
            prError = PR_NO_ACCESS_RIGHTS_ERROR;
            break;
        case EPIPE:
            prError = PR_CONNECT_RESET_ERROR;
            break;
#ifdef EPROTO
        case EPROTO:
            prError = PR_IO_ERROR;
            break;
#endif
        case EPROTONOSUPPORT:
            prError = PR_PROTOCOL_NOT_SUPPORTED_ERROR;
            break;
        case EPROTOTYPE:
            prError = PR_ADDRESS_NOT_SUPPORTED_ERROR;
            break;
        case ERANGE:
            prError = PR_INVALID_METHOD_ERROR;
            break;
        case EROFS:
            prError = PR_READ_ONLY_FILESYSTEM_ERROR;
            break;
        case ESPIPE:
            prError = PR_INVALID_METHOD_ERROR;
            break;
        case ETIMEDOUT:
            prError = PR_IO_TIMEOUT_ERROR;
            break;
#if EWOULDBLOCK != EAGAIN
        case EWOULDBLOCK:
            prError = PR_WOULD_BLOCK_ERROR;
            break;
#endif
        case EXDEV:
            prError = PR_NOT_SAME_DEVICE_ERROR;
            break;

        default:
            prError = PR_UNKNOWN_ERROR;
            break;
    }
    PR_SetError(prError, err);
}