/* 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/. */
#include "primpl.h"
#include <string.h>
#if defined (_WIN64)
# ifndef SO_UPDATE_CONNECT_CONTEXT
# define SO_UPDATE_CONNECT_CONTEXT
0 x7010
# endif
#endif
/************************************************************************/
/* These two functions are only used in assertions. */
#if defined (DEBUG)
PRBool IsValidNetAddr(
const PRNetAddr* addr) {
if ((addr != NULL)
# if defined (XP_UNIX)
&& (addr->raw.family != PR_AF_LOCAL)
# endif
&& (addr->raw.family != PR_AF_INET6) &&
(addr->raw.family != PR_AF_INET)) {
return PR_FALSE;
}
return PR_TRUE;
}
static PRBool IsValidNetAddrLen(
const PRNetAddr* addr, PRInt32 addr_len) {
/*
* The definition of the length of a Unix domain socket address
* is not uniform , so we don ' t check it .
*/
if ((addr != NULL)
# if defined (XP_UNIX)
&& (addr->raw.family != AF_UNIX)
# endif
&& (PR_NETADDR_SIZE(addr) != addr_len)) {
# if defined (LINUX) && __GLIBC__ ==
2 && __GLIBC_MINOR__ ==
1
/*
* In glibc 2 . 1 , struct sockaddr_in6 is 24 bytes . In glibc 2 . 2
* and in the 2 . 4 kernel , struct sockaddr_in6 has the scope_id
* field and is 28 bytes . It is possible for socket functions
* to return an addr_len greater than sizeof ( struct sockaddr_in6 ) .
* We need to allow that . ( Bugzilla bug # 77264 )
*/
if ((PR_AF_INET6 == addr->raw.family) && (
sizeof (addr->ipv6) == addr_len)) {
return PR_TRUE;
}
# endif
/*
* The accept ( ) , getsockname ( ) , etc . calls on some platforms
* do not set the actual socket address length on return .
* In this case , we verifiy addr_len is still the value we
* passed in ( i . e . , sizeof ( PRNetAddr ) ) .
*/
# if defined (QNX)
if (
sizeof (PRNetAddr) == addr_len) {
return PR_TRUE;
}
# endif
return PR_FALSE;
}
return PR_TRUE;
}
#endif /* DEBUG */
static PRInt32 PR_CALLBACK SocketWritev(PRFileDesc* fd,
const PRIOVec* iov,
PRInt32 iov_size,
PRIntervalTime timeout) {
PRThread* me = _PR_MD_CURRENT_THREAD();
int w =
0 ;
const PRIOVec* tmp_iov;
#define LOCAL_MAXIOV
8
PRIOVec local_iov[LOCAL_MAXIOV];
PRIOVec* iov_copy = NULL;
int tmp_out;
int index, iov_cnt;
int count =
0 , sz =
0 ;
/* 'count' is the return value. */
if (_PR_PENDING_INTERRUPT(me)) {
me->flags &= ~_PR_INTERRUPT;
PR_SetError(PR_PENDING_INTERRUPT_ERROR,
0 );
return -
1 ;
}
if (_PR_IO_PENDING(me)) {
PR_SetError(PR_IO_PENDING_ERROR,
0 );
return -
1 ;
}
/*
* Assume the first writev will succeed . Copy iov ' s only on
* failure .
*/
tmp_iov = iov;
for (index =
0 ; index < iov_size; index++) {
sz += iov[index].iov_len;
}
iov_cnt = iov_size;
while (sz >
0 ) {
w = _PR_MD_WRITEV(fd, tmp_iov, iov_cnt, timeout);
if (w <
0 ) {
count = -
1 ;
break ;
}
count += w;
if (fd->secret->nonblocking) {
break ;
}
sz -= w;
if (sz >
0 ) {
/* find the next unwritten vector */
for (index =
0 , tmp_out = count; tmp_out >= iov[index].iov_len;
tmp_out -= iov[index].iov_len, index++) {
;
}
/* nothing to execute */
if (tmp_iov == iov) {
/*
* The first writev failed so we
* must copy iov ' s around .
* Avoid calloc / free if there
* are few enough iov ' s .
*/
if (iov_size - index <= LOCAL_MAXIOV) {
iov_copy = local_iov;
}
else if ((iov_copy = (PRIOVec*)PR_CALLOC((iov_size - index) *
sizeof *iov_copy)) == NULL) {
PR_SetError(PR_OUT_OF_MEMORY_ERROR,
0 );
return -
1 ;
}
tmp_iov = iov_copy;
}
PR_ASSERT(tmp_iov == iov_copy);
/* fill in the first partial read */
iov_copy[
0 ].iov_base = &(((
char *)iov[index].iov_base)[tmp_out])
;
iov_copy[0 ].iov_len = iov[index].iov_len - tmp_out;
index++;
/* copy the remaining vectors */
for (iov_cnt = 1 ; index < iov_size; iov_cnt++, index++) {
iov_copy[iov_cnt].iov_base = iov[index].iov_base;
iov_copy[iov_cnt].iov_len = iov[index].iov_len;
}
}
}
if (iov_copy != local_iov) {
PR_DELETE(iov_copy);
}
return count;
}
/************************************************************************/
PR_IMPLEMENT(PRFileDesc*) PR_ImportTCPSocket(PROsfd osfd) {
PRFileDesc* fd;
if (!_pr_initialized) {
_PR_ImplicitInitialization();
}
fd = PR_AllocFileDesc(osfd, PR_GetTCPMethods());
if (fd != NULL) {
_PR_MD_MAKE_NONBLOCK(fd);
_PR_MD_INIT_FD_INHERITABLE(fd, PR_TRUE);
#ifdef _PR_NEED_SECRET_AF
/* this means we can only import IPv4 sockets here.
* but this is what the function in ptio . c does .
* We need a way to import IPv6 sockets , too .
*/
fd->secret->af = AF_INET;
#endif
} else {
_PR_MD_CLOSE_SOCKET(osfd);
}
return (fd);
}
PR_IMPLEMENT(PRFileDesc*) PR_ImportUDPSocket(PROsfd osfd) {
PRFileDesc* fd;
if (!_pr_initialized) {
_PR_ImplicitInitialization();
}
fd = PR_AllocFileDesc(osfd, PR_GetUDPMethods());
if (fd != NULL) {
_PR_MD_MAKE_NONBLOCK(fd);
_PR_MD_INIT_FD_INHERITABLE(fd, PR_TRUE);
} else {
_PR_MD_CLOSE_SOCKET(osfd);
}
return (fd);
}
static const PRIOMethods* PR_GetSocketPollFdMethods(void );
PR_IMPLEMENT(PRFileDesc*) PR_CreateSocketPollFd(PROsfd osfd) {
PRFileDesc* fd;
if (!_pr_initialized) {
_PR_ImplicitInitialization();
}
fd = _PR_Getfd();
if (fd == NULL) {
PR_SetError(PR_OUT_OF_MEMORY_ERROR, 0 );
} else {
fd->secret->md.osfd = osfd;
fd->secret->inheritable = _PR_TRI_FALSE;
fd->secret->state = _PR_FILEDESC_OPEN;
fd->methods = PR_GetSocketPollFdMethods();
}
return fd;
} /* PR_CreateSocketPollFD */
PR_IMPLEMENT(PRStatus) PR_DestroySocketPollFd(PRFileDesc* fd) {
if (NULL == fd) {
PR_SetError(PR_BAD_DESCRIPTOR_ERROR, 0 );
return PR_FAILURE;
}
fd->secret->state = _PR_FILEDESC_CLOSED;
_PR_Putfd(fd);
return PR_SUCCESS;
} /* PR_DestroySocketPollFd */
static PRStatus PR_CALLBACK SocketConnect(PRFileDesc* fd, const PRNetAddr* addr,
PRIntervalTime timeout) {
PRInt32 rv; /* Return value of _PR_MD_CONNECT */
const PRNetAddr* addrp = addr;
#if defined (_PR_INET6)
PRNetAddr addrCopy;
#endif
PRThread* me = _PR_MD_CURRENT_THREAD();
if (_PR_PENDING_INTERRUPT(me)) {
me->flags &= ~_PR_INTERRUPT;
PR_SetError(PR_PENDING_INTERRUPT_ERROR, 0 );
return PR_FAILURE;
}
#if defined (_PR_INET6)
if (addr->raw.family == PR_AF_INET6) {
addrCopy = *addr;
addrCopy.raw.family = AF_INET6;
addrp = &addrCopy;
}
#endif
rv = _PR_MD_CONNECT(fd, addrp, PR_NETADDR_SIZE(addr), timeout);
PR_LOG(_pr_io_lm, PR_LOG_MAX, ("connect -> %d" , rv));
if (rv == 0 ) {
return PR_SUCCESS;
} else {
return PR_FAILURE;
}
}
static PRStatus PR_CALLBACK SocketConnectContinue(PRFileDesc* fd,
PRInt16 out_flags) {
PROsfd osfd;
int err;
if (out_flags & PR_POLL_NVAL) {
PR_SetError(PR_BAD_DESCRIPTOR_ERROR, 0 );
return PR_FAILURE;
}
if ((out_flags & (PR_POLL_WRITE | PR_POLL_EXCEPT | PR_POLL_ERR)) == 0 ) {
PR_ASSERT(out_flags == 0 );
PR_SetError(PR_IN_PROGRESS_ERROR, 0 );
return PR_FAILURE;
}
osfd = fd->secret->md.osfd;
#if defined (XP_UNIX)
err = _MD_unix_get_nonblocking_connect_error(osfd);
if (err != 0 ) {
_PR_MD_MAP_CONNECT_ERROR(err);
return PR_FAILURE;
}
return PR_SUCCESS;
#elif defined (WIN32)
if (out_flags & PR_POLL_EXCEPT) {
int len = sizeof (err);
if (getsockopt(osfd, (int )SOL_SOCKET, SO_ERROR, (char *)&err, &len) ==
SOCKET_ERROR) {
_PR_MD_MAP_GETSOCKOPT_ERROR(WSAGetLastError());
return PR_FAILURE;
}
if (err != 0 ) {
_PR_MD_MAP_CONNECT_ERROR(err);
} else {
# if defined (_WIN64)
if (fd->secret->overlappedActive) {
PRInt32 rvSent;
if (GetOverlappedResult((HANDLE)osfd, &fd->secret->ol, &rvSent,
FALSE ) == FALSE ) {
err = WSAGetLastError();
PR_LOG(
_pr_io_lm, PR_LOG_MIN,
("SocketConnectContinue GetOverlappedResult failed %d\n" , err));
if (err != ERROR_IO_INCOMPLETE) {
_PR_MD_MAP_CONNECT_ERROR(err);
fd->secret->overlappedActive = PR_FALSE;
}
}
}
if (err == 0 ) {
PR_SetError(PR_UNKNOWN_ERROR, 0 );
}
# else
PR_SetError(PR_UNKNOWN_ERROR, 0 );
# endif
}
return PR_FAILURE;
}
PR_ASSERT(out_flags & PR_POLL_WRITE);
# if defined (_WIN64)
if (fd->secret->alreadyConnected) {
fd->secret->alreadyConnected = PR_FALSE;
}
/* TCP Fast Open on Windows must use ConnectEx, which uses overlapped
* input / output .
* To get result we need to use GetOverlappedResult. */
if (fd->secret->overlappedActive) {
PR_ASSERT(fd->secret->nonblocking);
PRInt32 rvSent;
if (GetOverlappedResult((HANDLE)osfd, &fd->secret->ol, &rvSent, FALSE ) ==
TRUE) {
fd->secret->overlappedActive = PR_FALSE;
PR_LOG(_pr_io_lm, PR_LOG_MIN,
("SocketConnectContinue GetOverlappedResult succeeded\n" ));
/* When ConnectEx is used, all previously set socket options and
* property are not enabled and to enable them
* SO_UPDATE_CONNECT_CONTEXT option need to be set. */
if (setsockopt((SOCKET)osfd, SOL_SOCKET, SO_UPDATE_CONNECT_CONTEXT, NULL,
0 ) != 0 ) {
err = WSAGetLastError();
PR_LOG(_pr_io_lm, PR_LOG_MIN,
("SocketConnectContinue setting SO_UPDATE_CONNECT_CONTEXT "
"failed %d\n" ,
err));
_PR_MD_MAP_SETSOCKOPT_ERROR(err);
return PR_FAILURE;
}
return PR_SUCCESS;
} else {
err = WSAGetLastError();
PR_LOG(_pr_io_lm, PR_LOG_MIN,
("SocketConnectContinue GetOverlappedResult failed %d\n" , err));
if (err != ERROR_IO_INCOMPLETE) {
_PR_MD_MAP_CONNECT_ERROR(err);
fd->secret->overlappedActive = PR_FALSE;
return PR_FAILURE;
} else {
PR_SetError(PR_IN_PROGRESS_ERROR, 0 );
return PR_FAILURE;
}
}
}
# endif
return PR_SUCCESS;
#else
PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0 );
return PR_FAILURE;
#endif
}
PR_IMPLEMENT(PRStatus) PR_GetConnectStatus(const PRPollDesc* pd) {
/* Find the NSPR layer and invoke its connectcontinue method */
PRFileDesc* bottom = PR_GetIdentitiesLayer(pd->fd, PR_NSPR_IO_LAYER);
if (NULL == bottom) {
PR_SetError(PR_INVALID_ARGUMENT_ERROR, 0 );
return PR_FAILURE;
}
return SocketConnectContinue(bottom, pd->out_flags);
}
static PRFileDesc* PR_CALLBACK SocketAccept(PRFileDesc* fd, PRNetAddr* addr,
PRIntervalTime timeout) {
PROsfd osfd;
PRFileDesc* fd2;
PRUint32 al;
PRThread* me = _PR_MD_CURRENT_THREAD();
#ifdef WINNT
PRNetAddr addrCopy;
#endif
if (_PR_PENDING_INTERRUPT(me)) {
me->flags &= ~_PR_INTERRUPT;
PR_SetError(PR_PENDING_INTERRUPT_ERROR, 0 );
return 0 ;
}
if (_PR_IO_PENDING(me)) {
PR_SetError(PR_IO_PENDING_ERROR, 0 );
return 0 ;
}
#ifdef WINNT
if (addr == NULL) {
addr = &addrCopy;
}
#endif
al = sizeof (PRNetAddr);
osfd = _PR_MD_ACCEPT(fd, addr, &al, timeout);
if (osfd == -1 ) {
return 0 ;
}
fd2 = PR_AllocFileDesc(osfd, PR_GetTCPMethods());
if (!fd2) {
_PR_MD_CLOSE_SOCKET(osfd);
return NULL;
}
fd2->secret->nonblocking = fd->secret->nonblocking;
fd2->secret->inheritable = fd->secret->inheritable;
#ifdef WINNT
if (!fd2->secret->nonblocking && fd2->secret->inheritable != _PR_TRI_TRUE) {
/*
* The new socket has been associated with an I / O
* completion port . There is no going back .
*/
fd2->secret->md.io_model_committed = PR_TRUE;
}
PR_ASSERT(al == PR_NETADDR_SIZE(addr));
fd2->secret->md.accepted_socket = PR_TRUE;
memcpy(&fd2->secret->md.peer_addr, addr, al);
#endif
/*
* On some platforms , the new socket created by accept ( )
* inherits the nonblocking ( or overlapped io ) attribute
* of the listening socket . As an optimization , these
* platforms can skip the following _ PR_MD_MAKE_NONBLOCK
* call .
*/
#if !defined (SOLARIS) && !defined (WINNT)
_PR_MD_MAKE_NONBLOCK(fd2);
#endif
#ifdef _PR_INET6
if (addr && (AF_INET6 == addr->raw.family)) {
addr->raw.family = PR_AF_INET6;
}
#endif
PR_ASSERT(IsValidNetAddr(addr) == PR_TRUE);
PR_ASSERT(IsValidNetAddrLen(addr, al) == PR_TRUE);
return fd2;
}
#ifdef WINNT
PR_IMPLEMENT(PRFileDesc*)
PR_NTFast_Accept(PRFileDesc* fd, PRNetAddr* addr, PRIntervalTime timeout) {
PROsfd osfd;
PRFileDesc* fd2;
PRIntn al;
PRThread* me = _PR_MD_CURRENT_THREAD();
PRNetAddr addrCopy;
if (_PR_PENDING_INTERRUPT(me)) {
me->flags &= ~_PR_INTERRUPT;
PR_SetError(PR_PENDING_INTERRUPT_ERROR, 0 );
return 0 ;
}
if (_PR_IO_PENDING(me)) {
PR_SetError(PR_IO_PENDING_ERROR, 0 );
return 0 ;
}
if (addr == NULL) {
addr = &addrCopy;
}
al = PR_NETADDR_SIZE(addr);
osfd = _PR_MD_FAST_ACCEPT(fd, addr, &al, timeout, PR_TRUE, NULL, NULL);
if (osfd == -1 ) {
return 0 ;
}
fd2 = PR_AllocFileDesc(osfd, PR_GetTCPMethods());
if (!fd2) {
_PR_MD_CLOSE_SOCKET(osfd);
} else {
fd2->secret->nonblocking = fd->secret->nonblocking;
fd2->secret->md.io_model_committed = PR_TRUE;
PR_ASSERT(al == PR_NETADDR_SIZE(addr));
fd2->secret->md.accepted_socket = PR_TRUE;
memcpy(&fd2->secret->md.peer_addr, addr, al);
# ifdef _PR_INET6
if (AF_INET6 == addr->raw.family) {
addr->raw.family = PR_AF_INET6;
}
# endif
# ifdef _PR_NEED_SECRET_AF
fd2->secret->af = fd->secret->af;
# endif
}
return fd2;
}
#endif /* WINNT */
static PRStatus PR_CALLBACK SocketBind(PRFileDesc* fd, const PRNetAddr* addr) {
PRInt32 result;
const PRNetAddr* addrp = addr;
#if defined (_PR_INET6)
PRNetAddr addrCopy;
#endif
PR_ASSERT(IsValidNetAddr(addr) == PR_TRUE);
#ifdef XP_UNIX
if (addr->raw.family == AF_UNIX) {
/* Disallow relative pathnames */
if (addr->local.path[0 ] != '/' ) {
PR_SetError(PR_INVALID_ARGUMENT_ERROR, 0 );
return PR_FAILURE;
}
}
#endif /* XP_UNIX */
#if defined (_PR_INET6)
if (addr->raw.family == PR_AF_INET6) {
addrCopy = *addr;
addrCopy.raw.family = AF_INET6;
addrp = &addrCopy;
}
#endif
result = _PR_MD_BIND(fd, addrp, PR_NETADDR_SIZE(addr));
if (result < 0 ) {
return PR_FAILURE;
}
return PR_SUCCESS;
}
static PRStatus PR_CALLBACK SocketListen(PRFileDesc* fd, PRIntn backlog) {
PRInt32 result;
result = _PR_MD_LISTEN(fd, backlog);
if (result < 0 ) {
return PR_FAILURE;
}
return PR_SUCCESS;
}
static PRStatus PR_CALLBACK SocketShutdown(PRFileDesc* fd, PRIntn how) {
PRInt32 result;
result = _PR_MD_SHUTDOWN(fd, how);
if (result < 0 ) {
return PR_FAILURE;
}
return PR_SUCCESS;
}
static PRInt32 PR_CALLBACK SocketRecv(PRFileDesc* fd, void * buf, PRInt32 amount,
PRIntn flags, PRIntervalTime timeout) {
PRInt32 rv;
PRThread* me = _PR_MD_CURRENT_THREAD();
if ((flags != 0 ) && (flags != PR_MSG_PEEK)) {
PR_SetError(PR_INVALID_ARGUMENT_ERROR, 0 );
return -1 ;
}
if (_PR_PENDING_INTERRUPT(me)) {
me->flags &= ~_PR_INTERRUPT;
PR_SetError(PR_PENDING_INTERRUPT_ERROR, 0 );
return -1 ;
}
if (_PR_IO_PENDING(me)) {
PR_SetError(PR_IO_PENDING_ERROR, 0 );
return -1 ;
}
PR_LOG(_pr_io_lm, PR_LOG_MAX,
("recv: fd=%p osfd=%" PR_PRIdOSFD " buf=%p amount=%d flags=%d" , fd,
fd->secret->md.osfd, buf, amount, flags));
#ifdef _PR_HAVE_PEEK_BUFFER
if (fd->secret->peekBytes != 0 ) {
rv = (amount < fd->secret->peekBytes) ? amount : fd->secret->peekBytes;
memcpy(buf, fd->secret->peekBuffer, rv);
if (flags == 0 ) {
/* consume the bytes in the peek buffer */
fd->secret->peekBytes -= rv;
if (fd->secret->peekBytes != 0 ) {
memmove(fd->secret->peekBuffer, fd->secret->peekBuffer + rv,
fd->secret->peekBytes);
}
}
return rv;
}
/* allocate peek buffer, if necessary */
if ((PR_MSG_PEEK == flags) && _PR_FD_NEED_EMULATE_MSG_PEEK(fd)) {
PR_ASSERT(0 == fd->secret->peekBytes);
/* impose a max size on the peek buffer */
if (amount > _PR_PEEK_BUFFER_MAX) {
amount = _PR_PEEK_BUFFER_MAX;
}
if (fd->secret->peekBufSize < amount) {
if (fd->secret->peekBuffer) {
PR_Free(fd->secret->peekBuffer);
}
fd->secret->peekBufSize = amount;
fd->secret->peekBuffer = PR_Malloc(amount);
if (NULL == fd->secret->peekBuffer) {
fd->secret->peekBufSize = 0 ;
PR_SetError(PR_OUT_OF_MEMORY_ERROR, 0 );
return -1 ;
}
}
}
#endif
rv = _PR_MD_RECV(fd, buf, amount, flags, timeout);
PR_LOG(_pr_io_lm, PR_LOG_MAX,
("recv -> %d, error = %d, os error = %d" , rv, PR_GetError(),
PR_GetOSError()));
#ifdef _PR_HAVE_PEEK_BUFFER
if ((PR_MSG_PEEK == flags) && _PR_FD_NEED_EMULATE_MSG_PEEK(fd)) {
if (rv > 0 ) {
memcpy(fd->secret->peekBuffer, buf, rv);
fd->secret->peekBytes = rv;
}
}
#endif
return rv;
}
static PRInt32 PR_CALLBACK SocketRead(PRFileDesc* fd, void * buf,
PRInt32 amount) {
return SocketRecv(fd, buf, amount, 0 , PR_INTERVAL_NO_TIMEOUT);
}
static PRInt32 PR_CALLBACK SocketSend(PRFileDesc* fd, const void * buf,
PRInt32 amount, PRIntn flags,
PRIntervalTime timeout) {
PRInt32 temp, count;
PRThread* me = _PR_MD_CURRENT_THREAD();
if (_PR_PENDING_INTERRUPT(me)) {
me->flags &= ~_PR_INTERRUPT;
PR_SetError(PR_PENDING_INTERRUPT_ERROR, 0 );
return -1 ;
}
if (_PR_IO_PENDING(me)) {
PR_SetError(PR_IO_PENDING_ERROR, 0 );
return -1 ;
}
count = 0 ;
while (amount > 0 ) {
PR_LOG(_pr_io_lm, PR_LOG_MAX,
("send: fd=%p osfd=%" PR_PRIdOSFD " buf=%p amount=%d" , fd,
fd->secret->md.osfd, buf, amount));
temp = _PR_MD_SEND(fd, buf, amount, flags, timeout);
if (temp < 0 ) {
count = -1 ;
break ;
}
count += temp;
if (fd->secret->nonblocking) {
break ;
}
buf = (const void *)((const char *)buf + temp);
amount -= temp;
}
PR_LOG(_pr_io_lm, PR_LOG_MAX, ("send -> %d" , count));
return count;
}
static PRInt32 PR_CALLBACK SocketWrite(PRFileDesc* fd, const void * buf,
PRInt32 amount) {
return SocketSend(fd, buf, amount, 0 , PR_INTERVAL_NO_TIMEOUT);
}
static PRStatus PR_CALLBACK SocketClose(PRFileDesc* fd) {
if (!fd || !fd->secret ||
(fd->secret->state != _PR_FILEDESC_OPEN &&
fd->secret->state != _PR_FILEDESC_CLOSED)) {
PR_SetError(PR_BAD_DESCRIPTOR_ERROR, 0 );
return PR_FAILURE;
}
if (fd->secret->state == _PR_FILEDESC_OPEN) {
#if defined (_WIN64) && defined (WIN95)
/* TCP Fast Open on Windows must use ConnectEx, which uses overlapped
* input / output . Before closing such a socket we must cancelIO .
*/
if (fd->secret->overlappedActive) {
PR_ASSERT(fd->secret->nonblocking);
if (CancelIo((HANDLE)fd->secret->md.osfd) == TRUE) {
PR_LOG(_pr_io_lm, PR_LOG_MIN, ("SocketClose - CancelIo succeeded\n" ));
} else {
DWORD err = WSAGetLastError();
PR_LOG(_pr_io_lm, PR_LOG_MIN,
("SocketClose - CancelIo failed err=%x\n" , err));
}
DWORD rvSent;
if (GetOverlappedResult((HANDLE)fd->secret->md.osfd, &fd->secret->ol,
&rvSent, FALSE ) == TRUE) {
fd->secret->overlappedActive = PR_FALSE;
PR_LOG(_pr_io_lm, PR_LOG_MIN,
("SocketClose GetOverlappedResult succeeded\n" ));
} else {
DWORD err = WSAGetLastError();
PR_LOG(_pr_io_lm, PR_LOG_MIN,
("SocketClose GetOverlappedResult failed %d\n" , err));
if (err != ERROR_IO_INCOMPLETE) {
_PR_MD_MAP_CONNECT_ERROR(err);
fd->secret->overlappedActive = PR_FALSE;
}
}
}
if (fd->secret->overlappedActive && _fd_waiting_for_overlapped_done_lock) {
// Put osfd into the list to be checked later.
PRFileDescList* forWaiting = PR_NEW(PRFileDescList);
if (!forWaiting) {
PR_SetError(PR_OUT_OF_MEMORY_ERROR, 0 );
return PR_FAILURE;
}
forWaiting->fd = fd;
PR_Lock(_fd_waiting_for_overlapped_done_lock);
forWaiting->next = _fd_waiting_for_overlapped_done;
_fd_waiting_for_overlapped_done = forWaiting;
PR_Unlock(_fd_waiting_for_overlapped_done_lock);
return PR_SUCCESS;
}
#endif
if (_PR_MD_CLOSE_SOCKET(fd->secret->md.osfd) < 0 ) {
return PR_FAILURE;
}
fd->secret->state = _PR_FILEDESC_CLOSED;
}
#ifdef _PR_HAVE_PEEK_BUFFER
if (fd->secret->peekBuffer) {
PR_ASSERT(fd->secret->peekBufSize > 0 );
PR_DELETE(fd->secret->peekBuffer);
fd->secret->peekBufSize = 0 ;
fd->secret->peekBytes = 0 ;
}
#endif
PR_FreeFileDesc(fd);
return PR_SUCCESS;
}
static PRInt32 PR_CALLBACK SocketAvailable(PRFileDesc* fd) {
PRInt32 rv;
#ifdef _PR_HAVE_PEEK_BUFFER
if (fd->secret->peekBytes != 0 ) {
return fd->secret->peekBytes;
}
#endif
rv = _PR_MD_SOCKETAVAILABLE(fd);
return rv;
}
static PRInt64 PR_CALLBACK SocketAvailable64(PRFileDesc* fd) {
PRInt64 rv;
#ifdef _PR_HAVE_PEEK_BUFFER
if (fd->secret->peekBytes != 0 ) {
LL_I2L(rv, fd->secret->peekBytes);
return rv;
}
#endif
LL_I2L(rv, _PR_MD_SOCKETAVAILABLE(fd));
return rv;
}
static PRStatus PR_CALLBACK SocketSync(PRFileDesc* fd) { return PR_SUCCESS; }
static PRInt32 PR_CALLBACK SocketSendTo(PRFileDesc* fd, const void * buf,
PRInt32 amount, PRIntn flags,
const PRNetAddr* addr,
PRIntervalTime timeout) {
PRInt32 temp, count;
const PRNetAddr* addrp = addr;
#if defined (_PR_INET6)
PRNetAddr addrCopy;
#endif
PRThread* me = _PR_MD_CURRENT_THREAD();
if (_PR_PENDING_INTERRUPT(me)) {
me->flags &= ~_PR_INTERRUPT;
PR_SetError(PR_PENDING_INTERRUPT_ERROR, 0 );
return -1 ;
}
if (_PR_IO_PENDING(me)) {
PR_SetError(PR_IO_PENDING_ERROR, 0 );
return -1 ;
}
PR_ASSERT(IsValidNetAddr(addr) == PR_TRUE);
#if defined (_PR_INET6)
if (addr->raw.family == PR_AF_INET6) {
addrCopy = *addr;
addrCopy.raw.family = AF_INET6;
addrp = &addrCopy;
}
#endif
count = 0 ;
do {
temp = _PR_MD_SENDTO(fd, buf, amount, flags, addrp, PR_NETADDR_SIZE(addr),
timeout);
if (temp < 0 ) {
count = -1 ;
break ;
}
count += temp;
if (fd->secret->nonblocking) {
break ;
}
buf = (const void *)((const char *)buf + temp);
amount -= temp;
} while (amount > 0 );
return count;
}
#if defined (_WIN64) && defined (WIN95)
static PRInt32 PR_CALLBACK SocketTCPSendTo(PRFileDesc* fd, const void * buf,
PRInt32 amount, PRIntn flags,
const PRNetAddr* addr,
PRIntervalTime timeout) {
PRInt32 temp, count;
const PRNetAddr* addrp = addr;
# if defined (_PR_INET6)
PRNetAddr addrCopy;
# endif
PRThread* me = _PR_MD_CURRENT_THREAD();
if (_PR_PENDING_INTERRUPT(me)) {
me->flags &= ~_PR_INTERRUPT;
PR_SetError(PR_PENDING_INTERRUPT_ERROR, 0 );
return -1 ;
}
if (_PR_IO_PENDING(me)) {
PR_SetError(PR_IO_PENDING_ERROR, 0 );
return -1 ;
}
PR_ASSERT(IsValidNetAddr(addr) == PR_TRUE);
# if defined (_PR_INET6)
if (addr->raw.family == PR_AF_INET6) {
addrCopy = *addr;
addrCopy.raw.family = AF_INET6;
addrp = &addrCopy;
}
# endif
count = 0 ;
while (amount > 0 ) {
temp = _PR_MD_TCPSENDTO(fd, buf, amount, flags, addrp,
PR_NETADDR_SIZE(addr), timeout);
if (temp < 0 ) {
count = -1 ;
break ;
}
count += temp;
if (fd->secret->nonblocking) {
break ;
}
buf = (const void *)((const char *)buf + temp);
amount -= temp;
}
return count;
}
#endif
static PRInt32 PR_CALLBACK SocketRecvFrom(PRFileDesc* fd, void * buf,
PRInt32 amount, PRIntn flags,
PRNetAddr* addr,
PRIntervalTime timeout) {
PRInt32 rv;
PRUint32 al;
PRThread* me = _PR_MD_CURRENT_THREAD();
if (_PR_PENDING_INTERRUPT(me)) {
me->flags &= ~_PR_INTERRUPT;
PR_SetError(PR_PENDING_INTERRUPT_ERROR, 0 );
return -1 ;
}
if (_PR_IO_PENDING(me)) {
PR_SetError(PR_IO_PENDING_ERROR, 0 );
return -1 ;
}
al = sizeof (PRNetAddr);
rv = _PR_MD_RECVFROM(fd, buf, amount, flags, addr, &al, timeout);
#ifdef _PR_INET6
if (addr && (AF_INET6 == addr->raw.family)) {
addr->raw.family = PR_AF_INET6;
}
#endif
return rv;
}
static PRInt32 PR_CALLBACK SocketAcceptRead(PRFileDesc* sd, PRFileDesc** nd,
PRNetAddr** raddr, void * buf,
PRInt32 amount,
PRIntervalTime timeout) {
PRInt32 rv;
PRThread* me = _PR_MD_CURRENT_THREAD();
if (_PR_PENDING_INTERRUPT(me)) {
me->flags &= ~_PR_INTERRUPT;
PR_SetError(PR_PENDING_INTERRUPT_ERROR, 0 );
return -1 ;
}
if (_PR_IO_PENDING(me)) {
PR_SetError(PR_IO_PENDING_ERROR, 0 );
return -1 ;
}
/* The socket must be in blocking mode. */
if (sd->secret->nonblocking) {
PR_SetError(PR_INVALID_ARGUMENT_ERROR, 0 );
return -1 ;
}
*nd = NULL;
#if defined (WINNT)
{
PROsfd newSock;
PRNetAddr* raddrCopy;
if (raddr == NULL) {
raddr = &raddrCopy;
}
rv = _PR_MD_ACCEPT_READ(sd, &newSock, raddr, buf, amount, timeout);
if (rv < 0 ) {
rv = -1 ;
} else {
/* Successfully accepted and read; create the new PRFileDesc */
*nd = PR_AllocFileDesc(newSock, PR_GetTCPMethods());
if (*nd == 0 ) {
_PR_MD_CLOSE_SOCKET(newSock);
/* PR_AllocFileDesc() has invoked PR_SetError(). */
rv = -1 ;
} else {
(*nd)->secret->md.io_model_committed = PR_TRUE;
(*nd)->secret->md.accepted_socket = PR_TRUE;
memcpy(&(*nd)->secret->md.peer_addr, *raddr, PR_NETADDR_SIZE(*raddr));
# ifdef _PR_INET6
if (AF_INET6 == *raddr->raw.family) {
*raddr->raw.family = PR_AF_INET6;
}
# endif
}
}
}
#else
rv = PR_EmulateAcceptRead(sd, nd, raddr, buf, amount, timeout);
#endif
return rv;
}
#ifdef WINNT
PR_IMPLEMENT(PRInt32)
PR_NTFast_AcceptRead(PRFileDesc* sd, PRFileDesc** nd, PRNetAddr** raddr,
void * buf, PRInt32 amount, PRIntervalTime timeout) {
PRInt32 rv;
PROsfd newSock;
PRThread* me = _PR_MD_CURRENT_THREAD();
PRNetAddr* raddrCopy;
if (_PR_PENDING_INTERRUPT(me)) {
me->flags &= ~_PR_INTERRUPT;
PR_SetError(PR_PENDING_INTERRUPT_ERROR, 0 );
return -1 ;
}
if (_PR_IO_PENDING(me)) {
PR_SetError(PR_IO_PENDING_ERROR, 0 );
return -1 ;
}
*nd = NULL;
if (raddr == NULL) {
raddr = &raddrCopy;
}
rv = _PR_MD_FAST_ACCEPT_READ(sd, &newSock, raddr, buf, amount, timeout,
PR_TRUE, NULL, NULL);
if (rv < 0 ) {
rv = -1 ;
} else {
/* Successfully accepted and read; create the new PRFileDesc */
*nd = PR_AllocFileDesc(newSock, PR_GetTCPMethods());
if (*nd == 0 ) {
_PR_MD_CLOSE_SOCKET(newSock);
/* PR_AllocFileDesc() has invoked PR_SetError(). */
rv = -1 ;
} else {
(*nd)->secret->md.io_model_committed = PR_TRUE;
(*nd)->secret->md.accepted_socket = PR_TRUE;
memcpy(&(*nd)->secret->md.peer_addr, *raddr, PR_NETADDR_SIZE(*raddr));
# ifdef _PR_INET6
if (AF_INET6 == *raddr->raw.family) {
*raddr->raw.family = PR_AF_INET6;
}
# endif
# ifdef _PR_NEED_SECRET_AF
(*nd)->secret->af = sd->secret->af;
# endif
}
}
return rv;
}
PR_IMPLEMENT(PRInt32)
PR_NTFast_AcceptRead_WithTimeoutCallback(PRFileDesc* sd, PRFileDesc** nd,
PRNetAddr** raddr, void * buf,
PRInt32 amount, PRIntervalTime timeout,
_PR_AcceptTimeoutCallback callback,
void * callbackArg) {
PRInt32 rv;
PROsfd newSock;
PRThread* me = _PR_MD_CURRENT_THREAD();
PRNetAddr* raddrCopy;
if (_PR_PENDING_INTERRUPT(me)) {
me->flags &= ~_PR_INTERRUPT;
PR_SetError(PR_PENDING_INTERRUPT_ERROR, 0 );
return -1 ;
}
if (_PR_IO_PENDING(me)) {
PR_SetError(PR_IO_PENDING_ERROR, 0 );
return -1 ;
}
*nd = NULL;
if (raddr == NULL) {
raddr = &raddrCopy;
}
rv = _PR_MD_FAST_ACCEPT_READ(sd, &newSock, raddr, buf, amount, timeout,
PR_TRUE, callback, callbackArg);
if (rv < 0 ) {
rv = -1 ;
} else {
/* Successfully accepted and read; create the new PRFileDesc */
*nd = PR_AllocFileDesc(newSock, PR_GetTCPMethods());
if (*nd == 0 ) {
_PR_MD_CLOSE_SOCKET(newSock);
/* PR_AllocFileDesc() has invoked PR_SetError(). */
rv = -1 ;
} else {
(*nd)->secret->md.io_model_committed = PR_TRUE;
(*nd)->secret->md.accepted_socket = PR_TRUE;
memcpy(&(*nd)->secret->md.peer_addr, *raddr, PR_NETADDR_SIZE(*raddr));
# ifdef _PR_INET6
if (AF_INET6 == *raddr->raw.family) {
*raddr->raw.family = PR_AF_INET6;
}
# endif
# ifdef _PR_NEED_SECRET_AF
(*nd)->secret->af = sd->secret->af;
# endif
}
}
return rv;
}
#endif /* WINNT */
#ifdef WINNT
PR_IMPLEMENT(void )
PR_NTFast_UpdateAcceptContext(PRFileDesc* socket, PRFileDesc* acceptSocket) {
_PR_MD_UPDATE_ACCEPT_CONTEXT(socket->secret->md.osfd,
acceptSocket->secret->md.osfd);
}
#endif /* WINNT */
static PRInt32 PR_CALLBACK SocketSendFile(PRFileDesc* sd, PRSendFileData* sfd,
PRTransmitFileFlags flags,
PRIntervalTime timeout) {
PRInt32 rv;
PRThread* me = _PR_MD_CURRENT_THREAD();
if (_PR_PENDING_INTERRUPT(me)) {
me->flags &= ~_PR_INTERRUPT;
PR_SetError(PR_PENDING_INTERRUPT_ERROR, 0 );
return -1 ;
}
if (_PR_IO_PENDING(me)) {
PR_SetError(PR_IO_PENDING_ERROR, 0 );
return -1 ;
}
/* The socket must be in blocking mode. */
if (sd->secret->nonblocking) {
PR_SetError(PR_INVALID_ARGUMENT_ERROR, 0 );
return -1 ;
}
#if defined (WINNT)
rv = _PR_MD_SENDFILE(sd, sfd, flags, timeout);
if ((rv >= 0 ) && (flags == PR_TRANSMITFILE_CLOSE_SOCKET)) {
/*
* This should be kept the same as SocketClose , except
* that _ PR_MD_CLOSE_SOCKET ( sd - > secret - > md . osfd ) should
* not be called because the socket will be recycled .
*/
PR_FreeFileDesc(sd);
}
#else
rv = PR_EmulateSendFile(sd, sfd, flags, timeout);
#endif /* WINNT */
return rv;
}
static PRInt32 PR_CALLBACK SocketTransmitFile(PRFileDesc* sd, PRFileDesc* fd,
const void * headers, PRInt32 hlen,
PRTransmitFileFlags flags,
PRIntervalTime timeout) {
PRSendFileData sfd;
sfd.fd = fd;
sfd.file_offset = 0 ;
sfd.file_nbytes = 0 ;
sfd.header = headers;
sfd.hlen = hlen;
sfd.trailer = NULL;
sfd.tlen = 0 ;
return (SocketSendFile(sd, &sfd, flags, timeout));
}
static PRStatus PR_CALLBACK SocketGetName(PRFileDesc* fd, PRNetAddr* addr) {
PRInt32 result;
PRUint32 addrlen;
addrlen = sizeof (PRNetAddr);
result = _PR_MD_GETSOCKNAME(fd, addr, &addrlen);
if (result < 0 ) {
return PR_FAILURE;
}
#ifdef _PR_INET6
if (AF_INET6 == addr->raw.family) {
addr->raw.family = PR_AF_INET6;
}
#endif
PR_ASSERT(IsValidNetAddr(addr) == PR_TRUE);
PR_ASSERT(IsValidNetAddrLen(addr, addrlen) == PR_TRUE);
return PR_SUCCESS;
}
static PRStatus PR_CALLBACK SocketGetPeerName(PRFileDesc* fd, PRNetAddr* addr) {
PRInt32 result;
PRUint32 addrlen;
addrlen = sizeof (PRNetAddr);
result = _PR_MD_GETPEERNAME(fd, addr, &addrlen);
if (result < 0 ) {
return PR_FAILURE;
}
#ifdef _PR_INET6
if (AF_INET6 == addr->raw.family) {
addr->raw.family = PR_AF_INET6;
}
#endif
PR_ASSERT(IsValidNetAddr(addr) == PR_TRUE);
PR_ASSERT(IsValidNetAddrLen(addr, addrlen) == PR_TRUE);
return PR_SUCCESS;
}
static PRInt16 PR_CALLBACK SocketPoll(PRFileDesc* fd, PRInt16 in_flags,
PRInt16* out_flags) {
*out_flags = 0 ;
#if defined (_WIN64)
if (in_flags & PR_POLL_WRITE) {
if (fd->secret->alreadyConnected) {
*out_flags = PR_POLL_WRITE;
return PR_POLL_WRITE;
}
}
#endif
return in_flags;
} /* SocketPoll */
static PRIOMethods tcpMethods = {
PR_DESC_SOCKET_TCP,
SocketClose,
SocketRead,
SocketWrite,
SocketAvailable,
SocketAvailable64,
SocketSync,
(PRSeekFN)_PR_InvalidInt,
(PRSeek64FN)_PR_InvalidInt64,
(PRFileInfoFN)_PR_InvalidStatus,
(PRFileInfo64FN)_PR_InvalidStatus,
SocketWritev,
SocketConnect,
SocketAccept,
SocketBind,
SocketListen,
SocketShutdown,
SocketRecv,
SocketSend,
(PRRecvfromFN)_PR_InvalidInt,
#if defined (_WIN64) && defined (WIN95)
SocketTCPSendTo, /* This is for fast open. We imitate Linux interface. */
#else
(PRSendtoFN)_PR_InvalidInt,
#endif
SocketPoll,
SocketAcceptRead,
SocketTransmitFile,
SocketGetName,
SocketGetPeerName,
(PRReservedFN)_PR_InvalidInt,
(PRReservedFN)_PR_InvalidInt,
_PR_SocketGetSocketOption,
_PR_SocketSetSocketOption,
SocketSendFile,
SocketConnectContinue,
(PRReservedFN)_PR_InvalidInt,
(PRReservedFN)_PR_InvalidInt,
(PRReservedFN)_PR_InvalidInt,
(PRReservedFN)_PR_InvalidInt};
static PRIOMethods udpMethods = {PR_DESC_SOCKET_UDP,
SocketClose,
SocketRead,
SocketWrite,
SocketAvailable,
SocketAvailable64,
SocketSync,
(PRSeekFN)_PR_InvalidInt,
(PRSeek64FN)_PR_InvalidInt64,
(PRFileInfoFN)_PR_InvalidStatus,
(PRFileInfo64FN)_PR_InvalidStatus,
SocketWritev,
SocketConnect,
(PRAcceptFN)_PR_InvalidDesc,
SocketBind,
SocketListen,
SocketShutdown,
SocketRecv,
SocketSend,
SocketRecvFrom,
SocketSendTo,
SocketPoll,
(PRAcceptreadFN)_PR_InvalidInt,
(PRTransmitfileFN)_PR_InvalidInt,
SocketGetName,
SocketGetPeerName,
(PRReservedFN)_PR_InvalidInt,
(PRReservedFN)_PR_InvalidInt,
_PR_SocketGetSocketOption,
_PR_SocketSetSocketOption,
(PRSendfileFN)_PR_InvalidInt,
(PRConnectcontinueFN)_PR_InvalidStatus,
(PRReservedFN)_PR_InvalidInt,
(PRReservedFN)_PR_InvalidInt,
(PRReservedFN)_PR_InvalidInt,
(PRReservedFN)_PR_InvalidInt};
static PRIOMethods socketpollfdMethods = {
(PRDescType)0 ,
(PRCloseFN)_PR_InvalidStatus,
(PRReadFN)_PR_InvalidInt,
(PRWriteFN)_PR_InvalidInt,
(PRAvailableFN)_PR_InvalidInt,
(PRAvailable64FN)_PR_InvalidInt64,
(PRFsyncFN)_PR_InvalidStatus,
(PRSeekFN)_PR_InvalidInt,
(PRSeek64FN)_PR_InvalidInt64,
(PRFileInfoFN)_PR_InvalidStatus,
(PRFileInfo64FN)_PR_InvalidStatus,
(PRWritevFN)_PR_InvalidInt,
(PRConnectFN)_PR_InvalidStatus,
(PRAcceptFN)_PR_InvalidDesc,
(PRBindFN)_PR_InvalidStatus,
(PRListenFN)_PR_InvalidStatus,
(PRShutdownFN)_PR_InvalidStatus,
(PRRecvFN)_PR_InvalidInt,
(PRSendFN)_PR_InvalidInt,
(PRRecvfromFN)_PR_InvalidInt,
(PRSendtoFN)_PR_InvalidInt,
SocketPoll,
(PRAcceptreadFN)_PR_InvalidInt,
(PRTransmitfileFN)_PR_InvalidInt,
(PRGetsocknameFN)_PR_InvalidStatus,
(PRGetpeernameFN)_PR_InvalidStatus,
(PRReservedFN)_PR_InvalidInt,
(PRReservedFN)_PR_InvalidInt,
(PRGetsocketoptionFN)_PR_InvalidStatus,
(PRSetsocketoptionFN)_PR_InvalidStatus,
(PRSendfileFN)_PR_InvalidInt,
(PRConnectcontinueFN)_PR_InvalidStatus,
(PRReservedFN)_PR_InvalidInt,
(PRReservedFN)_PR_InvalidInt,
(PRReservedFN)_PR_InvalidInt,
(PRReservedFN)_PR_InvalidInt};
PR_IMPLEMENT(const PRIOMethods*) PR_GetTCPMethods() { return &tcpMethods; }
PR_IMPLEMENT(const PRIOMethods*) PR_GetUDPMethods() { return &udpMethods; }
static const PRIOMethods* PR_GetSocketPollFdMethods() {
return &socketpollfdMethods;
} /* PR_GetSocketPollFdMethods */
#if !defined (_PR_INET6) || defined (_PR_INET6_PROBE)
PR_EXTERN(PRStatus) _pr_push_ipv6toipv4_layer(PRFileDesc* fd);
# if defined (_PR_INET6_PROBE)
extern PRBool _pr_ipv6_is_present(void );
PR_IMPLEMENT(PRBool) _pr_test_ipv6_socket() {
PROsfd osfd;
osfd = _PR_MD_SOCKET(AF_INET6, SOCK_STREAM, 0 );
if (osfd != -1 ) {
_PR_MD_CLOSE_SOCKET(osfd);
return PR_TRUE;
}
return PR_FALSE;
}
# endif /* _PR_INET6_PROBE */
#endif
PR_IMPLEMENT(PRFileDesc*)
PR_Socket(PRInt32 domain, PRInt32 type, PRInt32 proto) {
PROsfd osfd;
PRFileDesc* fd;
PRInt32 tmp_domain = domain;
if (!_pr_initialized) {
_PR_ImplicitInitialization();
}
if (PR_AF_INET != domain && PR_AF_INET6 != domain
#if defined (XP_UNIX)
&& PR_AF_LOCAL != domain
#endif
) {
PR_SetError(PR_ADDRESS_NOT_SUPPORTED_ERROR, 0 );
return NULL;
}
#if defined (_PR_INET6_PROBE)
if (PR_AF_INET6 == domain) {
domain = _pr_ipv6_is_present() ? AF_INET6 : AF_INET;
}
#elif defined (_PR_INET6)
if (PR_AF_INET6 == domain) {
domain = AF_INET6;
}
#else
if (PR_AF_INET6 == domain) {
domain = AF_INET;
}
#endif /* _PR_INET6 */
osfd = _PR_MD_SOCKET(domain, type, proto);
if (osfd == -1 ) {
return 0 ;
}
if (type == SOCK_STREAM) {
fd = PR_AllocFileDesc(osfd, PR_GetTCPMethods());
} else {
fd = PR_AllocFileDesc(osfd, PR_GetUDPMethods());
}
/*
* Make the sockets non - blocking
*/
if (fd != NULL) {
_PR_MD_MAKE_NONBLOCK(fd);
_PR_MD_INIT_FD_INHERITABLE(fd, PR_FALSE);
#ifdef _PR_NEED_SECRET_AF
fd->secret->af = domain;
#endif
#if defined (_PR_INET6_PROBE) || !defined (_PR_INET6)
/*
* For platforms with no support for IPv6
* create layered socket for IPv4 - mapped IPv6 addresses
*/
if (PR_AF_INET6 == tmp_domain && PR_AF_INET == domain) {
if (PR_FAILURE == _pr_push_ipv6toipv4_layer(fd)) {
PR_Close(fd);
fd = NULL;
}
}
#endif
} else {
_PR_MD_CLOSE_SOCKET(osfd);
}
return fd;
}
PR_IMPLEMENT(PRFileDesc*) PR_NewTCPSocket(void ) {
PRInt32 domain = AF_INET;
return PR_Socket(domain, SOCK_STREAM, 0 );
}
PR_IMPLEMENT(PRFileDesc*) PR_NewUDPSocket(void ) {
PRInt32 domain = AF_INET;
return PR_Socket(domain, SOCK_DGRAM, 0 );
}
PR_IMPLEMENT(PRFileDesc*) PR_OpenTCPSocket(PRIntn af) {
return PR_Socket(af, SOCK_STREAM, 0 );
}
PR_IMPLEMENT(PRFileDesc*) PR_OpenUDPSocket(PRIntn af) {
return PR_Socket(af, SOCK_DGRAM, 0 );
}
PR_IMPLEMENT(PRStatus) PR_NewTCPSocketPair(PRFileDesc* f[]) {
#ifdef XP_UNIX
PRInt32 rv, osfd[2 ];
if (!_pr_initialized) {
_PR_ImplicitInitialization();
}
rv = _PR_MD_SOCKETPAIR(AF_UNIX, SOCK_STREAM, 0 , osfd);
if (rv == -1 ) {
return PR_FAILURE;
}
f[0 ] = PR_AllocFileDesc(osfd[0 ], PR_GetTCPMethods());
if (!f[0 ]) {
_PR_MD_CLOSE_SOCKET(osfd[0 ]);
_PR_MD_CLOSE_SOCKET(osfd[1 ]);
/* PR_AllocFileDesc() has invoked PR_SetError(). */
return PR_FAILURE;
}
f[1 ] = PR_AllocFileDesc(osfd[1 ], PR_GetTCPMethods());
if (!f[1 ]) {
PR_Close(f[0 ]);
_PR_MD_CLOSE_SOCKET(osfd[1 ]);
/* PR_AllocFileDesc() has invoked PR_SetError(). */
return PR_FAILURE;
}
_PR_MD_MAKE_NONBLOCK(f[0 ]);
_PR_MD_INIT_FD_INHERITABLE(f[0 ], PR_FALSE);
_PR_MD_MAKE_NONBLOCK(f[1 ]);
_PR_MD_INIT_FD_INHERITABLE(f[1 ], PR_FALSE);
return PR_SUCCESS;
#elif defined (WINNT)
/*
* A socket pair is often used for interprocess communication ,
* so we need to make sure neither socket is associated with
* the I / O completion port ; otherwise it can ' t be used by a
* child process .
*
* The default implementation below cannot be used for NT
* because PR_Accept would have associated the I / O completion
* port with the listening and accepted sockets .
*/
SOCKET listenSock;
SOCKET osfd[2 ];
struct sockaddr_in selfAddr, peerAddr;
int addrLen;
if (!_pr_initialized) {
_PR_ImplicitInitialization();
}
osfd[0 ] = osfd[1 ] = INVALID_SOCKET;
listenSock = socket(AF_INET, SOCK_STREAM, 0 );
if (listenSock == INVALID_SOCKET) {
goto failed;
}
selfAddr.sin_family = AF_INET;
selfAddr.sin_port = 0 ;
selfAddr.sin_addr.s_addr = htonl(INADDR_LOOPBACK); /* BugZilla: 35408 */
addrLen = sizeof (selfAddr);
if (bind(listenSock, (struct sockaddr*)&selfAddr, addrLen) == SOCKET_ERROR) {
goto failed;
}
if (getsockname(listenSock, (struct sockaddr*)&selfAddr, &addrLen) ==
SOCKET_ERROR) {
goto failed;
}
if (listen(listenSock, 5 ) == SOCKET_ERROR) {
goto failed;
}
osfd[0 ] = socket(AF_INET, SOCK_STREAM, 0 );
if (osfd[0 ] == INVALID_SOCKET) {
goto failed;
}
selfAddr.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
/*
* Only a thread is used to do the connect and accept .
* I am relying on the fact that connect returns
* successfully as soon as the connect request is put
* into the listen queue ( but before accept is called ) .
* This is the behavior of the BSD socket code . If
* connect does not return until accept is called , we
* will need to create another thread to call connect .
*/
if (connect(osfd[0 ], (struct sockaddr*)&selfAddr, addrLen) == SOCKET_ERROR) {
goto failed;
}
/*
* A malicious local process may connect to the listening
* socket , so we need to verify that the accepted connection
* is made from our own socket osfd [ 0 ] .
*/
if (getsockname(osfd[0 ], (struct sockaddr*)&selfAddr, &addrLen) ==
SOCKET_ERROR) {
goto failed;
}
osfd[1 ] = accept(listenSock, (struct sockaddr*)&peerAddr, &addrLen);
if (osfd[1 ] == INVALID_SOCKET) {
goto failed;
}
if (peerAddr.sin_port != selfAddr.sin_port) {
/* the connection we accepted is not from osfd[0] */
PR_SetError(PR_INSUFFICIENT_RESOURCES_ERROR, 0 );
goto failed;
}
closesocket(listenSock);
f[0 ] = PR_AllocFileDesc(osfd[0 ], PR_GetTCPMethods());
if (!f[0 ]) {
closesocket(osfd[0 ]);
closesocket(osfd[1 ]);
/* PR_AllocFileDesc() has invoked PR_SetError(). */
return PR_FAILURE;
}
f[1 ] = PR_AllocFileDesc(osfd[1 ], PR_GetTCPMethods());
if (!f[1 ]) {
PR_Close(f[0 ]);
closesocket(osfd[1 ]);
/* PR_AllocFileDesc() has invoked PR_SetError(). */
return PR_FAILURE;
}
_PR_MD_INIT_FD_INHERITABLE(f[0 ], PR_FALSE);
_PR_MD_INIT_FD_INHERITABLE(f[1 ], PR_FALSE);
return PR_SUCCESS;
failed:
if (listenSock != INVALID_SOCKET) {
closesocket(listenSock);
}
if (osfd[0 ] != INVALID_SOCKET) {
closesocket(osfd[0 ]);
}
if (osfd[1 ] != INVALID_SOCKET) {
closesocket(osfd[1 ]);
}
return PR_FAILURE;
#else /* not Unix or NT */
/*
* default implementation
*/
PRFileDesc* listenSock;
PRNetAddr selfAddr, peerAddr;
PRUint16 port;
f[0 ] = f[1 ] = NULL;
listenSock = PR_NewTCPSocket();
if (listenSock == NULL) {
goto failed;
}
PR_InitializeNetAddr(PR_IpAddrLoopback, 0 , &selfAddr); /* BugZilla: 35408 */
if (PR_Bind(listenSock, &selfAddr) == PR_FAILURE) {
goto failed;
}
if (PR_GetSockName(listenSock, &selfAddr) == PR_FAILURE) {
goto failed;
}
port = ntohs(selfAddr.inet.port);
if (PR_Listen(listenSock, 5 ) == PR_FAILURE) {
goto failed;
}
f[0 ] = PR_NewTCPSocket();
if (f[0 ] == NULL) {
goto failed;
}
# ifdef _PR_CONNECT_DOES_NOT_BIND
/*
* If connect does not implicitly bind the socket ( e . g . , on
* BeOS ) , we have to bind the socket so that we can get its
* port with getsockname later .
*/
PR_InitializeNetAddr(PR_IpAddrLoopback, 0 , &selfAddr);
if (PR_Bind(f[0 ], &selfAddr) == PR_FAILURE) {
goto failed;
}
# endif
PR_InitializeNetAddr(PR_IpAddrLoopback, port, &selfAddr);
/*
* Only a thread is used to do the connect and accept .
* I am relying on the fact that PR_Connect returns
* successfully as soon as the connect request is put
* into the listen queue ( but before PR_Accept is called ) .
* This is the behavior of the BSD socket code . If
* connect does not return until accept is called , we
* will need to create another thread to call connect .
*/
if (PR_Connect(f[0 ], &selfAddr, PR_INTERVAL_NO_TIMEOUT) == PR_FAILURE) {
goto failed;
}
/*
* A malicious local process may connect to the listening
* socket , so we need to verify that the accepted connection
* is made from our own socket f [ 0 ] .
*/
if (PR_GetSockName(f[0 ], &selfAddr) == PR_FAILURE) {
goto failed;
}
f[1 ] = PR_Accept(listenSock, &peerAddr, PR_INTERVAL_NO_TIMEOUT);
if (f[1 ] == NULL) {
goto failed;
}
if (peerAddr.inet.port != selfAddr.inet.port) {
/* the connection we accepted is not from f[0] */
PR_SetError(PR_INSUFFICIENT_RESOURCES_ERROR, 0 );
goto failed;
}
PR_Close(listenSock);
return PR_SUCCESS;
failed:
if (listenSock) {
PR_Close(listenSock);
}
if (f[0 ]) {
PR_Close(f[0 ]);
}
if (f[1 ]) {
PR_Close(f[1 ]);
}
return PR_FAILURE;
#endif
}
PR_IMPLEMENT(PROsfd)
PR_FileDesc2NativeHandle(PRFileDesc* fd) {
if (fd) {
fd = PR_GetIdentitiesLayer(fd, PR_NSPR_IO_LAYER);
}
if (!fd) {
PR_SetError(PR_INVALID_ARGUMENT_ERROR, 0 );
return -1 ;
}
return fd->secret->md.osfd;
}
PR_IMPLEMENT(void )
PR_ChangeFileDescNativeHandle(PRFileDesc* fd, PROsfd handle) {
if (fd) {
fd->secret->md.osfd = handle;
}
}
/*
* * Select compatibility
* *
*/
PR_IMPLEMENT(void ) PR_FD_ZERO(PR_fd_set* set) {
memset(set, 0 , sizeof (PR_fd_set));
}
PR_IMPLEMENT(void ) PR_FD_SET(PRFileDesc* fh, PR_fd_set* set) {
PR_ASSERT(set->hsize < PR_MAX_SELECT_DESC);
set->harray[set->hsize++] = fh;
}
PR_IMPLEMENT(void ) PR_FD_CLR(PRFileDesc* fh, PR_fd_set* set) {
PRUint32 index, index2;
for (index = 0 ; index < set->hsize; index++)
if (set->harray[index] == fh) {
for (index2 = index; index2 < (set->hsize - 1 ); index2++) {
set->harray[index2] = set->harray[index2 + 1 ];
}
set->hsize--;
break ;
}
}
PR_IMPLEMENT(PRInt32) PR_FD_ISSET(PRFileDesc* fh, PR_fd_set* set) {
PRUint32 index;
for (index = 0 ; index < set->hsize; index++)
if (set->harray[index] == fh) {
return 1 ;
}
return 0 ;
}
PR_IMPLEMENT(void ) PR_FD_NSET(PROsfd fd, PR_fd_set* set) {
PR_ASSERT(set->nsize < PR_MAX_SELECT_DESC);
set->narray[set->nsize++] = fd;
}
PR_IMPLEMENT(void ) PR_FD_NCLR(PROsfd fd, PR_fd_set* set) {
PRUint32 index, index2;
for (index = 0 ; index < set->nsize; index++)
if (set->narray[index] == fd) {
for (index2 = index; index2 < (set->nsize - 1 ); index2++) {
set->narray[index2] = set->narray[index2 + 1 ];
}
set->nsize--;
break ;
}
}
PR_IMPLEMENT(PRInt32) PR_FD_NISSET(PROsfd fd, PR_fd_set* set) {
PRUint32 index;
for (index = 0 ; index < set->nsize; index++)
if (set->narray[index] == fd) {
return 1 ;
}
return 0 ;
}
#if !defined (NEED_SELECT)
# include "obsolete/probslet.h"
# define PD_INCR 20
static PRPollDesc* _pr_setfd(PR_fd_set* set, PRInt16 flags,
PRPollDesc* polldesc) {
PRUintn fsidx, pdidx;
PRPollDesc* poll = polldesc;
if (NULL == set) {
return poll;
}
/* First set the pr file handle osfds */
for (fsidx = 0 ; fsidx < set->hsize; fsidx++) {
for (pdidx = 0 ; 1 ; pdidx++) {
if ((PRFileDesc*)-1 == poll[pdidx].fd) {
/* our vector is full - extend and condition it */
poll = (PRPollDesc*)PR_Realloc(
poll, (pdidx + 1 + PD_INCR) * sizeof (PRPollDesc));
if (NULL == poll) {
goto out_of_memory;
}
memset(poll + pdidx * sizeof (PRPollDesc), 0 ,
PD_INCR * sizeof (PRPollDesc));
poll[pdidx + PD_INCR].fd = (PRFileDesc*)-1 ;
}
if ((NULL == poll[pdidx].fd) || (poll[pdidx].fd == set->harray[fsidx])) {
/* PR_ASSERT(0 == (poll[pdidx].in_flags & flags)); */
/* either empty or prevously defined */
poll[pdidx].fd = set->harray[fsidx]; /* possibly redundant */
poll[pdidx].in_flags |= flags; /* possibly redundant */
break ;
}
}
}
# if 0
/* Second set the native osfds */
for (fsidx = 0 ; fsidx < set->nsize; fsidx++)
{
for (pdidx = 0 ; ((PRFileDesc*)-1 != poll[pdidx].fd); pdidx++)
{
if ((PRFileDesc*)-1 == poll[pdidx].fd)
{
/* our vector is full - extend and condition it */
poll = PR_Realloc(
poll, (pdidx + PD_INCR) * sizeof (PRPollDesc));
if (NULL == poll) {
goto out_of_memory;
}
memset(
poll + pdidx * sizeof (PRPollDesc),
0 , PD_INCR * sizeof (PRPollDesc));
poll[(pdidx + PD_INCR)].fd = (PRFileDesc*)-1 ;
}
if ((NULL == poll[pdidx].fd)
|| (poll[pdidx].fd == set->narray[fsidx]))
{
/* either empty or prevously defined */
poll[pdidx].fd = set->narray[fsidx];
PR_ASSERT(0 == (poll[pdidx].in_flags & flags));
poll[pdidx].in_flags |= flags;
break ;
}
}
}
# endif /* 0 */
return poll;
out_of_memory:
if (NULL != polldesc) {
PR_DELETE(polldesc);
}
return NULL;
} /* _pr_setfd */
#endif /* !defined(NEED_SELECT) */
PR_IMPLEMENT(PRInt32)
PR_Select(PRInt32 unused, PR_fd_set* pr_rd, PR_fd_set* pr_wr, PR_fd_set* pr_ex,
PRIntervalTime timeout) {
#if !defined (NEED_SELECT)
PRInt32 npds = 0 ;
/*
* * Find out how many fds are represented in the three lists .
* * Then allocate a polling descriptor for the logical union
* * ( there can ' t be any overlapping ) and call PR_Poll ( ) .
*/
PRPollDesc *copy, *poll;
static PRBool warning = PR_TRUE;
if (warning) {
warning = _PR_Obsolete("PR_Select()" , "PR_Poll()" );
}
/* try to get an initial guesss at how much space we need */
npds = 0 ;
if ((NULL != pr_rd) && ((pr_rd->hsize + pr_rd->nsize - npds) > 0 )) {
npds = pr_rd->hsize + pr_rd->nsize;
}
if ((NULL != pr_wr) && ((pr_wr->hsize + pr_wr->nsize - npds) > 0 )) {
npds = pr_wr->hsize + pr_wr->nsize;
}
if ((NULL != pr_ex) && ((pr_ex->hsize + pr_ex->nsize - npds) > 0 )) {
npds = pr_ex->hsize + pr_ex->nsize;
}
if (0 == npds) {
PR_Sleep(timeout);
return 0 ;
}
copy = poll = (PRPollDesc*)PR_Calloc(npds + PD_INCR, sizeof (PRPollDesc));
if (NULL == poll) {
goto out_of_memory;
}
poll[npds + PD_INCR - 1 ].fd = (PRFileDesc*)-1 ;
poll = _pr_setfd(pr_rd, PR_POLL_READ, poll);
if (NULL == poll) {
goto out_of_memory;
}
poll = _pr_setfd(pr_wr, PR_POLL_WRITE, poll);
if (NULL == poll) {
goto out_of_memory;
}
poll = _pr_setfd(pr_ex, PR_POLL_EXCEPT, poll);
if (NULL == poll) {
goto out_of_memory;
}
unused = 0 ;
while (NULL != poll[unused].fd && (PRFileDesc*)-1 != poll[unused].fd) {
++unused;
}
PR_ASSERT(unused > 0 );
npds = PR_Poll(poll, unused, timeout);
if (npds > 0 ) {
/* Copy the results back into the fd sets */
if (NULL != pr_rd) {
pr_rd->nsize = pr_rd->hsize = 0 ;
}
if (NULL != pr_wr) {
pr_wr->nsize = pr_wr->hsize = 0 ;
}
if (NULL != pr_ex) {
pr_ex->nsize = pr_ex->hsize = 0 ;
}
for (copy = &poll[unused - 1 ]; copy >= poll; --copy) {
if (copy->out_flags & PR_POLL_NVAL) {
PR_SetError(PR_BAD_DESCRIPTOR_ERROR, 0 );
npds = -1 ;
break ;
}
if (copy->out_flags & PR_POLL_READ)
if (NULL != pr_rd) {
pr_rd->harray[pr_rd->hsize++] = copy->fd;
}
if (copy->out_flags & PR_POLL_WRITE)
if (NULL != pr_wr) {
pr_wr->harray[pr_wr->hsize++] = copy->fd;
}
if (copy->out_flags & PR_POLL_EXCEPT)
if (NULL != pr_ex) {
pr_ex->harray[pr_ex->hsize++] = copy->fd;
}
}
}
PR_DELETE(poll);
return npds;
out_of_memory:
PR_SetError(PR_OUT_OF_MEMORY_ERROR, 0 );
return -1 ;
#endif /* !defined(NEED_SELECT) */
}
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