mir/bind
2
0
Fork 0
mirror of https://gitlab.isc.org/isc-projects/bind9 synced 2025-08-30 14:07:59 +00:00
Code Issues Releases Wiki Activity

doio_recv was not catching a ECONNRESET error. Fixed this and added code to catch other possible errors. Miscellaneous errno handling cleanup [RT #1745]

Browse Source
This commit is contained in:
Danny Mayer
2001-09-16 06:19:22 +00:00
parent e6f17474cb
commit 8423b244ec
1 changed files with 44 additions and 54 deletions
Download Patch File Download Diff File Expand all files Collapse all files

98
lib/isc/win32/socket.c
View File

@@ -15,7 +15,7 @@
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: socket.c,v 1.5 2001/07/17 20:29:31 gson Exp $ */
/* $Id: socket.c,v 1.6 2001/09/16 06:19:22 mayer Exp $ */
#define MAKE_EXTERNAL 1
@@ -27,6 +27,8 @@
#define _WINSOCKAPI_ /* Prevent inclusion of winsock.h in windows.h */
#endif
#include "errno2result.h"
#include <errno.h>
#include <stddef.h>
#include <stdlib.h>
@@ -69,8 +71,8 @@
* work around it here.
*/
#define SOFT_ERROR(e) ((e) == EAGAIN || \
(e) == EWOULDBLOCK || \
(e) == EINTR || \
(e) == WSAEWOULDBLOCK || \
(e) == WSAEINTR || \
(e) == 0)
#define DLVL(x) ISC_LOGCATEGORY_GENERAL, ISC_LOGMODULE_SOCKET, ISC_LOG_DEBUG(x)
@@ -317,14 +319,7 @@ internal_sendmsg(int sock, const struct msghdr *msg, int flags) {
BytesSent = -1;
/* There is an error... */
Error = WSAGetLastError();
if (Error == WSAEWOULDBLOCK) {
/*
* WSAEWOULDBLOCK means we have to wait for an FD_WRITE
* before we can send.
*/
errno = EWOULDBLOCK;
} else if (Error == WSA_IO_PENDING) {
if (Error == WSA_IO_PENDING) {
/* Overlapped send successfully initiated. */
errno = EAGAIN;
} else {
@@ -997,7 +992,7 @@ doio_recv(isc_socket_t *sock, isc_socketevent_t *dev) {
ISC_MSG_DOIORECV,
"doio_recv: internal_recvmsg(%d) %d bytes, "
"err %d/%s",
sock->fd, cc, errno, strerror(errno));
sock->fd, cc, errno, NTstrerror(errno));
#define SOFT_OR_HARD(_system, _isc) \
if (errno == _system) { \
@@ -1013,10 +1008,14 @@ doio_recv(isc_socket_t *sock, isc_socketevent_t *dev) {
return (DOIO_HARD); \
}
SOFT_OR_HARD(ECONNREFUSED, ISC_R_CONNREFUSED);
SOFT_OR_HARD(ENETUNREACH, ISC_R_NETUNREACH);
SOFT_OR_HARD(EHOSTUNREACH, ISC_R_HOSTUNREACH);
ALWAYS_HARD(ENOBUFS, ISC_R_NORESOURCES);
SOFT_OR_HARD(WSAECONNREFUSED, ISC_R_CONNREFUSED);
SOFT_OR_HARD(WSAENETUNREACH, ISC_R_NETUNREACH);
SOFT_OR_HARD(WSAEHOSTUNREACH, ISC_R_HOSTUNREACH);
SOFT_OR_HARD(WSAECONNRESET, ISC_R_CONNECTIONRESET);
SOFT_OR_HARD(WSAENETRESET, ISC_R_CONNECTIONRESET);
SOFT_OR_HARD(WSAEDISCON, ISC_R_CONNECTIONRESET);
SOFT_OR_HARD(WSAENETDOWN, ISC_R_NETDOWN);
ALWAYS_HARD(WSAENOBUFS, ISC_R_NORESOURCES);
#undef SOFT_OR_HARD
#undef ALWAYS_HARD
@@ -1147,16 +1146,18 @@ doio_send(isc_socket_t *sock, isc_socketevent_t *dev) {
return (DOIO_HARD); \
}
SOFT_OR_HARD(EACCES, ISC_R_NOPERM);
SOFT_OR_HARD(EAFNOSUPPORT, ISC_R_ADDRNOTAVAIL);
SOFT_OR_HARD(ECONNREFUSED, ISC_R_CONNREFUSED);
ALWAYS_HARD(EADDRNOTAVAIL, ISC_R_ADDRNOTAVAIL);
ALWAYS_HARD(EHOSTUNREACH, ISC_R_HOSTUNREACH);
#ifdef EHOSTDOWN
ALWAYS_HARD(EHOSTDOWN, ISC_R_HOSTUNREACH);
#endif
ALWAYS_HARD(ENETUNREACH, ISC_R_NETUNREACH);
ALWAYS_HARD(ENOBUFS, ISC_R_NORESOURCES);
SOFT_OR_HARD(WSAEACCES, ISC_R_NOPERM);
SOFT_OR_HARD(WSAEAFNOSUPPORT, ISC_R_ADDRNOTAVAIL);
SOFT_OR_HARD(WSAECONNREFUSED, ISC_R_CONNREFUSED);
SOFT_OR_HARD(WSAECONNRESET, ISC_R_CONNECTIONRESET);
SOFT_OR_HARD(WSAENETRESET, ISC_R_CONNECTIONRESET);
SOFT_OR_HARD(WSAEDISCON, ISC_R_CONNECTIONRESET);
SOFT_OR_HARD(WSAENETDOWN, ISC_R_NETDOWN);
ALWAYS_HARD(WSAEADDRNOTAVAIL, ISC_R_ADDRNOTAVAIL);
ALWAYS_HARD(WSAEHOSTUNREACH, ISC_R_HOSTUNREACH);
ALWAYS_HARD(WSAEHOSTDOWN, ISC_R_HOSTUNREACH);
ALWAYS_HARD(WSAENETUNREACH, ISC_R_NETUNREACH);
ALWAYS_HARD(WSAENOBUFS, ISC_R_NORESOURCES);
ALWAYS_HARD(EPERM, ISC_R_HOSTUNREACH);
ALWAYS_HARD(EPIPE, ISC_R_NOTCONNECTED);
@@ -1391,13 +1392,6 @@ isc_socket_create(isc_socketmgr_t *manager, int pf, isc_sockettype_t type,
case EPROTONOSUPPORT:
case EPFNOSUPPORT:
case EAFNOSUPPORT:
#ifdef LINUX
/*
* Linux 2.2 (and maybe others) return EINVAL instead of
* EAFNOSUPPORT.
*/
case EINVAL:
#endif
return (ISC_R_FAMILYNOSUPPORT);
default:
@@ -2914,16 +2908,14 @@ isc_socket_connect(isc_socket_t *sock, isc_sockaddr_t *addr,
switch (errno) {
#define ERROR_MATCH(a, b) case a: dev->result = b; goto err_exit;
ERROR_MATCH(EACCES, ISC_R_NOPERM);
ERROR_MATCH(EADDRNOTAVAIL, ISC_R_ADDRNOTAVAIL);
ERROR_MATCH(EAFNOSUPPORT, ISC_R_ADDRNOTAVAIL);
ERROR_MATCH(ECONNREFUSED, ISC_R_CONNREFUSED);
ERROR_MATCH(EHOSTUNREACH, ISC_R_HOSTUNREACH);
#ifdef EHOSTDOWN
ERROR_MATCH(EHOSTDOWN, ISC_R_HOSTUNREACH);
#endif
ERROR_MATCH(ENETUNREACH, ISC_R_NETUNREACH);
ERROR_MATCH(ENOBUFS, ISC_R_NORESOURCES);
ERROR_MATCH(WSAEACCES, ISC_R_NOPERM);
ERROR_MATCH(WSAEADDRNOTAVAIL, ISC_R_ADDRNOTAVAIL);
ERROR_MATCH(WSAEAFNOSUPPORT, ISC_R_ADDRNOTAVAIL);
ERROR_MATCH(WSAECONNREFUSED, ISC_R_CONNREFUSED);
ERROR_MATCH(WSAEHOSTUNREACH, ISC_R_HOSTUNREACH);
ERROR_MATCH(WSAEHOSTDOWN, ISC_R_HOSTUNREACH);
ERROR_MATCH(WSAENETUNREACH, ISC_R_NETUNREACH);
ERROR_MATCH(WSAENOBUFS, ISC_R_NORESOURCES);
ERROR_MATCH(EPERM, ISC_R_HOSTUNREACH);
ERROR_MATCH(EPIPE, ISC_R_NOTCONNECTED);
#undef ERROR_MATCH
@@ -3057,19 +3049,17 @@ internal_connect(isc_task_t *me, isc_event_t *ev) {
*/
switch (errno) {
#define ERROR_MATCH(a, b) case a: dev->result = b; break;
ERROR_MATCH(EACCES, ISC_R_NOPERM);
ERROR_MATCH(EADDRNOTAVAIL, ISC_R_ADDRNOTAVAIL);
ERROR_MATCH(EAFNOSUPPORT, ISC_R_ADDRNOTAVAIL);
ERROR_MATCH(ECONNREFUSED, ISC_R_CONNREFUSED);
ERROR_MATCH(EHOSTUNREACH, ISC_R_HOSTUNREACH);
#ifdef EHOSTDOWN
ERROR_MATCH(EHOSTDOWN, ISC_R_HOSTUNREACH);
#endif
ERROR_MATCH(ENETUNREACH, ISC_R_NETUNREACH);
ERROR_MATCH(ENOBUFS, ISC_R_NORESOURCES);
ERROR_MATCH(WSAEACCES, ISC_R_NOPERM);
ERROR_MATCH(WSAEADDRNOTAVAIL, ISC_R_ADDRNOTAVAIL);
ERROR_MATCH(WSAEAFNOSUPPORT, ISC_R_ADDRNOTAVAIL);
ERROR_MATCH(WSAECONNREFUSED, ISC_R_CONNREFUSED);
ERROR_MATCH(WSAEHOSTUNREACH, ISC_R_HOSTUNREACH);
ERROR_MATCH(WSAEHOSTDOWN, ISC_R_HOSTUNREACH);
ERROR_MATCH(WSAENETUNREACH, ISC_R_NETUNREACH);
ERROR_MATCH(WSAENOBUFS, ISC_R_NORESOURCES);
ERROR_MATCH(EPERM, ISC_R_HOSTUNREACH);
ERROR_MATCH(EPIPE, ISC_R_NOTCONNECTED);
ERROR_MATCH(ETIMEDOUT, ISC_R_TIMEDOUT);
ERROR_MATCH(WSAETIMEDOUT, ISC_R_TIMEDOUT);
#undef ERROR_MATCH
default:
dev->result = ISC_R_UNEXPECTED;