+/*
+ Bacula® - The Network Backup Solution
+
+ Copyright (C) 2000-2006 Free Software Foundation Europe e.V.
+
+ The main author of Bacula is Kern Sibbald, with contributions from
+ many others, a complete list can be found in the file AUTHORS.
+ This program is Free Software; you can redistribute it and/or
+ modify it under the terms of version two of the GNU General Public
+ License as published by the Free Software Foundation plus additions
+ that are listed in the file LICENSE.
+
+ This program is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA.
+
+ Bacula® is a registered trademark of John Walker.
+ The licensor of Bacula is the Free Software Foundation Europe
+ (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
+ Switzerland, email:ftf@fsfeurope.org.
+*/
/*
* Network Utility Routines
*
*
* Version $Id$
*/
-/*
- Copyright (C) 2000-2004 Kern Sibbald and John Walker
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- This library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with this library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- MA 02111-1307, USA.
-
- */
#include "bacula.h"
extern time_t watchdog_time;
#ifndef INADDR_NONE
-#define INADDR_NONE -1
+#define INADDR_NONE -1
#endif
-#ifndef ENODATA /* not defined on BSD systems */
+#ifndef ENODATA /* not defined on BSD systems */
#define ENODATA EPIPE
#endif
#ifdef HAVE_WIN32
#define socketRead(fd, buf, len) recv(fd, buf, len, 0)
#define socketWrite(fd, buf, len) send(fd, buf, len, 0)
-#define socketClose(fd) closesocket(fd)
+#define socketClose(fd) closesocket(fd)
#else
#define socketRead(fd, buf, len) read(fd, buf, len)
#define socketWrite(fd, buf, len) write(fd, buf, len)
-#define socketClose(fd) close(fd)
+#define socketClose(fd) close(fd)
#endif
-
-#ifdef HAVE_OLD_SOCKOPT
-int inet_aton(const char *cp, struct in_addr *inp)
-{
- struct in_addr inaddr;
-
- if((inaddr.s_addr = inet_addr(cp)) != INADDR_NONE) {
- inp->s_addr = inaddr.s_addr;
- return 1;
- }
- return 0;
-}
-#endif
+static pthread_mutex_t ip_mutex = PTHREAD_MUTEX_INITIALIZER;
/*
* Read a nbytes from the network.
* read requests
*/
-static int32_t read_nbytes(BSOCK * bsock, char *ptr, int32_t nbytes)
+int32_t read_nbytes(BSOCK * bsock, char *ptr, int32_t nbytes)
{
int32_t nleft, nread;
+#ifdef HAVE_TLS
+ if (bsock->tls) {
+ /* TLS enabled */
+ return (tls_bsock_readn(bsock, ptr, nbytes));
+ }
+#endif /* HAVE_TLS */
+
nleft = nbytes;
while (nleft > 0) {
- do {
- errno = 0;
- nread = socketRead(bsock->fd, ptr, nleft);
- if (bsock->timed_out || bsock->terminated) {
- return nread;
- }
- } while (nread == -1 && (errno == EINTR || errno == EAGAIN));
+ errno = 0;
+ nread = socketRead(bsock->fd, ptr, nleft);
+ if (bsock->timed_out || bsock->terminated) {
+ return nread;
+ }
+ if (nread == -1) {
+ if (errno == EINTR) {
+ continue;
+ }
+ if (errno == EAGAIN) {
+ bmicrosleep(0, 200000); /* try again in 200ms */
+ continue;
+ }
+ }
if (nread <= 0) {
- return nread; /* error, or EOF */
+ return nread; /* error, or EOF */
}
nleft -= nread;
ptr += nread;
}
- return nbytes - nleft; /* return >= 0 */
+ return nbytes - nleft; /* return >= 0 */
}
/*
* It may require several writes.
*/
-static int32_t write_nbytes(BSOCK * bsock, char *ptr, int32_t nbytes)
+int32_t write_nbytes(BSOCK * bsock, char *ptr, int32_t nbytes)
{
int32_t nleft, nwritten;
if (bsock->spool) {
nwritten = fwrite(ptr, 1, nbytes, bsock->spool_fd);
if (nwritten != nbytes) {
- berrno be;
- bsock->b_errno = errno;
- Qmsg1(bsock->jcr, M_FATAL, 0, _("Attr spool write error. ERR=%s\n"),
- be.strerror());
- Dmsg2(400, "nwritten=%d nbytes=%d.\n", nwritten, nbytes);
- errno = bsock->b_errno;
- return -1;
+ berrno be;
+ bsock->b_errno = errno;
+ Qmsg1(bsock->jcr(), M_FATAL, 0, _("Attr spool write error. ERR=%s\n"),
+ be.strerror());
+ Dmsg2(400, "nwritten=%d nbytes=%d.\n", nwritten, nbytes);
+ errno = bsock->b_errno;
+ return -1;
}
return nbytes;
}
+
+#ifdef HAVE_TLS
+ if (bsock->tls) {
+ /* TLS enabled */
+ return (tls_bsock_writen(bsock, ptr, nbytes));
+ }
+#endif /* HAVE_TLS */
+
nleft = nbytes;
while (nleft > 0) {
do {
- errno = 0;
- nwritten = socketWrite(bsock->fd, ptr, nleft);
- if (bsock->timed_out || bsock->terminated) {
- return nwritten;
- }
+ errno = 0;
+ nwritten = socketWrite(bsock->fd, ptr, nleft);
+ if (bsock->timed_out || bsock->terminated) {
+ return nwritten;
+ }
} while (nwritten == -1 && errno == EINTR);
/*
* If connection is non-blocking, we will get EAGAIN, so
* and try again.
*/
if (nwritten == -1 && errno == EAGAIN) {
- fd_set fdset;
- struct timeval tv;
-
- FD_ZERO(&fdset);
- FD_SET((unsigned)bsock->fd, &fdset);
- tv.tv_sec = 10;
- tv.tv_usec = 0;
- select(bsock->fd + 1, NULL, &fdset, NULL, &tv);
- continue;
+ fd_set fdset;
+ struct timeval tv;
+
+ FD_ZERO(&fdset);
+ FD_SET((unsigned)bsock->fd, &fdset);
+ tv.tv_sec = 10;
+ tv.tv_usec = 0;
+ select(bsock->fd + 1, NULL, &fdset, NULL, &tv);
+ continue;
}
if (nwritten <= 0) {
- return nwritten; /* error */
+ return nwritten; /* error */
}
nleft -= nwritten;
ptr += nwritten;
* Returns number of bytes read (may return zero)
* Returns -1 on signal (BNET_SIGNAL)
* Returns -2 on hard end of file (BNET_HARDEOF)
- * Returns -3 on error (BNET_ERROR)
+ * Returns -3 on error (BNET_ERROR)
*
* Unfortunately, it is a bit complicated because we have these
* four return types:
*/
int32_t bnet_recv(BSOCK * bsock)
{
- int32_t nbytes;
- int32_t pktsiz;
-
- ASSERT(bsock != NULL);
- bsock->msg[0] = 0;
- bsock->msglen = 0;
- if (bsock->errors || bsock->terminated) {
- return BNET_HARDEOF;
- }
-
- bsock->read_seqno++; /* bump sequence number */
- bsock->timer_start = watchdog_time; /* set start wait time */
- bsock->timed_out = 0;
- /* get data size -- in int32_t */
- if ((nbytes = read_nbytes(bsock, (char *)&pktsiz, sizeof(int32_t))) <= 0) {
- bsock->timer_start = 0; /* clear timer */
- /* probably pipe broken because client died */
- if (errno == 0) {
- bsock->b_errno = ENODATA;
- } else {
- bsock->b_errno = errno;
- }
- bsock->errors++;
- return BNET_HARDEOF; /* assume hard EOF received */
- }
- bsock->timer_start = 0; /* clear timer */
- if (nbytes != sizeof(int32_t)) {
- bsock->errors++;
- bsock->b_errno = EIO;
- Qmsg5(bsock->jcr, M_ERROR, 0, _("Read expected %d got %d from %s:%s:%d\n"),
- sizeof(int32_t), nbytes, bsock->who, bsock->host, bsock->port);
- return BNET_ERROR;
- }
-
- pktsiz = ntohl(pktsiz); /* decode no. of bytes that follow */
-
- if (pktsiz == 0) { /* No data transferred */
- bsock->timer_start = 0; /* clear timer */
- bsock->in_msg_no++;
- bsock->msglen = 0;
- return 0; /* zero bytes read */
- }
-
- /* If signal or packet size too big */
- if (pktsiz < 0 || pktsiz > 1000000) {
- if (pktsiz > 0) { /* if packet too big */
- Qmsg3(bsock->jcr, M_FATAL, 0,
- _("Packet size too big from \"%s:%s:%d. Terminating connection.\n"),
- bsock->who, bsock->host, bsock->port);
- pktsiz = BNET_TERMINATE; /* hang up */
- }
- if (pktsiz == BNET_TERMINATE) {
- bsock->terminated = 1;
- }
- bsock->timer_start = 0; /* clear timer */
- bsock->b_errno = ENODATA;
- bsock->msglen = pktsiz; /* signal code */
- return BNET_SIGNAL; /* signal */
- }
-
- /* Make sure the buffer is big enough + one byte for EOS */
- if (pktsiz >= (int32_t) sizeof_pool_memory(bsock->msg)) {
- bsock->msg = realloc_pool_memory(bsock->msg, pktsiz + 100);
- }
-
- bsock->timer_start = watchdog_time; /* set start wait time */
- bsock->timed_out = 0;
- /* now read the actual data */
- if ((nbytes = read_nbytes(bsock, bsock->msg, pktsiz)) <= 0) {
- bsock->timer_start = 0; /* clear timer */
- if (errno == 0) {
- bsock->b_errno = ENODATA;
- } else {
- bsock->b_errno = errno;
- }
- bsock->errors++;
- Qmsg4(bsock->jcr, M_ERROR, 0, _("Read error from %s:%s:%d: ERR=%s\n"),
- bsock->who, bsock->host, bsock->port, bnet_strerror(bsock));
- return BNET_ERROR;
- }
- bsock->timer_start = 0; /* clear timer */
- bsock->in_msg_no++;
- bsock->msglen = nbytes;
- if (nbytes != pktsiz) {
- bsock->b_errno = EIO;
- bsock->errors++;
- Qmsg5(bsock->jcr, M_ERROR, 0, _("Read expected %d got %d from %s:%s:%d\n"),
- pktsiz, nbytes, bsock->who, bsock->host, bsock->port);
- return BNET_ERROR;
- }
- /* always add a zero by to properly terminate any
- * string that was send to us. Note, we ensured above that the
- * buffer is at least one byte longer than the message length.
- */
- bsock->msg[nbytes] = 0; /* terminate in case it is a string */
- sm_check(__FILE__, __LINE__, false);
- return nbytes; /* return actual length of message */
+ return bsock->recv();
}
*/
int is_bnet_error(BSOCK * bsock)
{
+ errno = bsock->b_errno;
return bsock->errors;
}
* Transmit spooled data now to a BSOCK
*/
int bnet_despool_to_bsock(BSOCK * bsock, void update_attr_spool_size(ssize_t size),
- ssize_t tsize)
+ ssize_t tsize)
{
int32_t pktsiz;
size_t nbytes;
rewind(bsock->spool_fd);
while (fread((char *)&pktsiz, 1, sizeof(int32_t), bsock->spool_fd) ==
- sizeof(int32_t)) {
+ sizeof(int32_t)) {
size += sizeof(int32_t);
bsock->msglen = ntohl(pktsiz);
if (bsock->msglen > 0) {
- if (bsock->msglen > (int32_t) sizeof_pool_memory(bsock->msg)) {
- bsock->msg = realloc_pool_memory(bsock->msg, bsock->msglen + 1);
- }
- nbytes = fread(bsock->msg, 1, bsock->msglen, bsock->spool_fd);
- if (nbytes != (size_t) bsock->msglen) {
- berrno be;
- Dmsg2(400, "nbytes=%d msglen=%d\n", nbytes, bsock->msglen);
- Qmsg1(bsock->jcr, M_FATAL, 0, _("fread attr spool error. ERR=%s\n"),
- be.strerror());
- update_attr_spool_size(tsize - last);
- return 0;
- }
- size += nbytes;
- if ((++count & 0x3F) == 0) {
- update_attr_spool_size(size - last);
- last = size;
- }
+ if (bsock->msglen > (int32_t) sizeof_pool_memory(bsock->msg)) {
+ bsock->msg = realloc_pool_memory(bsock->msg, bsock->msglen + 1);
+ }
+ nbytes = fread(bsock->msg, 1, bsock->msglen, bsock->spool_fd);
+ if (nbytes != (size_t) bsock->msglen) {
+ berrno be;
+ Dmsg2(400, "nbytes=%d msglen=%d\n", nbytes, bsock->msglen);
+ Qmsg1(bsock->jcr(), M_FATAL, 0, _("fread attr spool error. ERR=%s\n"),
+ be.strerror());
+ update_attr_spool_size(tsize - last);
+ return 0;
+ }
+ size += nbytes;
+ if ((++count & 0x3F) == 0) {
+ update_attr_spool_size(size - last);
+ last = size;
+ }
}
bnet_send(bsock);
}
update_attr_spool_size(tsize - last);
if (ferror(bsock->spool_fd)) {
berrno be;
- Qmsg1(bsock->jcr, M_FATAL, 0, _("fread attr spool error. ERR=%s\n"),
- be.strerror());
+ Qmsg1(bsock->jcr(), M_FATAL, 0, _("fread attr spool error. ERR=%s\n"),
+ be.strerror());
return 0;
}
return 1;
* the length of the data packet which follows.
*
* Returns: false on failure
- * true on success
+ * true on success
*/
+bool bnet_send(BSOCK *bsock)
+{
+ return bsock->send();
+}
+
+#ifdef xxx
bool bnet_send(BSOCK * bsock)
{
int32_t rc;
if (bsock->errors || bsock->terminated || bsock->msglen > 1000000) {
return false;
}
- pktsiz = htonl((int32_t) bsock->msglen);
+ pktsiz = htonl((int32_t)bsock->msglen);
/* send int32_t containing size of data packet */
- bsock->timer_start = watchdog_time; /* start timer */
+ bsock->timer_start = watchdog_time; /* start timer */
bsock->timed_out = 0;
rc = write_nbytes(bsock, (char *)&pktsiz, sizeof(int32_t));
- bsock->timer_start = 0; /* clear timer */
+ bsock->timer_start = 0; /* clear timer */
if (rc != sizeof(int32_t)) {
- if (bsock->msglen == BNET_TERMINATE) { /* if we were terminating */
- bsock->terminated = 1;
- return false; /* ignore any errors */
+ if (bsock->msglen == BNET_TERMINATE) { /* if we were terminating */
+ bsock->terminated = 1;
+ return false; /* ignore any errors */
}
bsock->errors++;
if (errno == 0) {
- bsock->b_errno = EIO;
+ bsock->b_errno = EIO;
} else {
- bsock->b_errno = errno;
+ bsock->b_errno = errno;
}
if (rc < 0) {
- if (!bsock->suppress_error_msgs && !bsock->timed_out) {
- Qmsg4(bsock->jcr, M_ERROR, 0,
- _("Write error sending to %s:%s:%d: ERR=%s\n"), bsock->who,
- bsock->host, bsock->port, bnet_strerror(bsock));
- }
+ if (!bsock->suppress_error_msgs && !bsock->timed_out) {
+ Qmsg4(bsock->jcr(), M_ERROR, 0,
+ _("Write error sending len to %s:%s:%d: ERR=%s\n"), bsock->who,
+ bsock->host(), bsock->port(), bnet_strerror(bsock));
+ }
} else {
- Qmsg5(bsock->jcr, M_ERROR, 0,
- _("Wrote %d bytes to %s:%s:%d, but only %d accepted.\n"), bsock->who,
- bsock->host, bsock->port, bsock->msglen, rc);
+ Qmsg5(bsock->jcr(), M_ERROR, 0,
+ _("Wrote %d bytes to %s:%s:%d, but only %d accepted.\n"),
+ sizeof(int32_t), bsock->who(),
+ bsock->host(), bsock->port(), rc);
}
return false;
}
- bsock->out_msg_no++; /* increment message number */
- if (bsock->msglen <= 0) { /* length only? */
- return true; /* yes, no data */
+ bsock->out_msg_no++; /* increment message number */
+ if (bsock->msglen <= 0) { /* length only? */
+ return true; /* yes, no data */
}
/* send data packet */
- bsock->timer_start = watchdog_time; /* start timer */
+ bsock->timer_start = watchdog_time; /* start timer */
bsock->timed_out = 0;
rc = write_nbytes(bsock, bsock->msg, bsock->msglen);
- bsock->timer_start = 0; /* clear timer */
+ bsock->timer_start = 0; /* clear timer */
if (rc != bsock->msglen) {
bsock->errors++;
if (errno == 0) {
- bsock->b_errno = EIO;
+ bsock->b_errno = EIO;
} else {
- bsock->b_errno = errno;
+ bsock->b_errno = errno;
}
if (rc < 0) {
- if (!bsock->suppress_error_msgs) {
- Qmsg4(bsock->jcr, M_ERROR, 0,
- _("Write error sending to %s:%s:%d: ERR=%s\n"), bsock->who,
- bsock->host, bsock->port, bnet_strerror(bsock));
- }
+ if (!bsock->suppress_error_msgs) {
+ Qmsg5(bsock->jcr(), M_ERROR, 0,
+ _("Write error sending %d bytes to %s:%s:%d: ERR=%s\n"),
+ bsock->msglen, bsock->who(),
+ bsock->host(), bsock->port(), bnet_strerror(bsock));
+ }
} else {
- Qmsg5(bsock->jcr, M_ERROR, 0,
- _("Wrote %d bytes to %s:%s:%d, but only %d accepted.\n"),
- bsock->msglen, bsock->who, bsock->host, bsock->port, rc);
+ Qmsg5(bsock->jcr(), M_ERROR, 0,
+ _("Wrote %d bytes to %s:%s:%d, but only %d accepted.\n"),
+ bsock->msglen, bsock->who(), bsock->host(),
+ bsock->port(), rc);
}
return false;
}
return true;
}
+#endif
/*
- * Establish an SSL connection -- server side
- * Codes that ssl_need and ssl_has can take
- * BNET_SSL_NONE I cannot do ssl
- * BNET_SSL_OK I can do ssl, but it is not required on my end
- * BNET_SSL_REQUIRED ssl is required on my end
+ * Establish a TLS connection -- server side
+ * Returns: true on success
+ * false on failure
*/
-int bnet_ssl_server(BSOCK * bsock, char *password, int ssl_need, int ssl_has)
+#ifdef HAVE_TLS
+bool bnet_tls_server(TLS_CONTEXT *ctx, BSOCK * bsock, alist *verify_list)
{
- /* Check to see if what we need (ssl_need) corresponds to what he has (ssl_has) */
- /* The other side expects a response from us */
- return 1;
+ TLS_CONNECTION *tls;
+
+ tls = new_tls_connection(ctx, bsock->fd);
+ if (!tls) {
+ Qmsg0(bsock->jcr(), M_FATAL, 0, _("TLS connection initialization failed.\n"));
+ return false;
+ }
+
+ bsock->tls = tls;
+
+ /* Initiate TLS Negotiation */
+ if (!tls_bsock_accept(bsock)) {
+ Qmsg0(bsock->jcr(), M_FATAL, 0, _("TLS Negotiation failed.\n"));
+ goto err;
+ }
+
+ if (verify_list) {
+ if (!tls_postconnect_verify_cn(tls, verify_list)) {
+ Qmsg1(bsock->jcr(), M_FATAL, 0, _("TLS certificate verification failed."
+ " Peer certificate did not match a required commonName\n"),
+ bsock->host());
+ goto err;
+ }
+ }
+ return true;
+
+err:
+ free_tls_connection(tls);
+ bsock->tls = NULL;
+ return false;
}
/*
- * Establish an SSL connection -- client side
+ * Establish a TLS connection -- client side
+ * Returns: true on success
+ * false on failure
*/
-int bnet_ssl_client(BSOCK * bsock, char *password, int ssl_need)
+bool bnet_tls_client(TLS_CONTEXT *ctx, BSOCK * bsock, alist *verify_list)
{
- /* We are the client so we must wait for the server to notify us */
- return 1;
-}
+ TLS_CONNECTION *tls;
+
+ tls = new_tls_connection(ctx, bsock->fd);
+ if (!tls) {
+ Qmsg0(bsock->jcr(), M_FATAL, 0, _("TLS connection initialization failed.\n"));
+ return false;
+ }
+
+ bsock->tls = tls;
+
+ /* Initiate TLS Negotiation */
+ if (!tls_bsock_connect(bsock)) {
+ goto err;
+ }
+
+ /* If there's an Allowed CN verify list, use that to validate the remote
+ * certificate's CN. Otherwise, we use standard host/CN matching. */
+ if (verify_list) {
+ if (!tls_postconnect_verify_cn(tls, verify_list)) {
+ Qmsg1(bsock->jcr, M_FATAL, 0, _("TLS certificate verification failed."
+ " Peer certificate did not match a required commonName\n"),
+ bsock->host);
+ goto err;
+ }
+ } else {
+ if (!tls_postconnect_verify_host(tls, bsock->host())) {
+ Qmsg1(bsock->jcr(), M_FATAL, 0, _("TLS host certificate verification failed. Host %s did not match presented certificate\n"),
+ bsock->host());
+ goto err;
+ }
+ }
+
+ return true;
+err:
+ free_tls_connection(tls);
+ bsock->tls = NULL;
+ return false;
+}
+#else
+bool bnet_tls_server(TLS_CONTEXT *ctx, BSOCK * bsock, alist *verify_list)
+{
+ Jmsg(bsock->jcr(), M_ABORT, 0, _("TLS enabled but not configured.\n"));
+ return false;
+}
+bool bnet_tls_client(TLS_CONTEXT *ctx, BSOCK * bsock, alist *verify_list, int verify_hostname)
+{
+ Jmsg(bsock->jcr(), M_ABORT, 0, _("TLS enable but not configured.\n"));
+ return false;
+}
+#endif /* HAVE_TLS */
/*
* Wait for a specified time for data to appear on
* the BSOCK connection.
*
* Returns: 1 if data available
- * 0 if timeout
- * -1 if error
+ * 0 if timeout
+ * -1 if error
*/
int bnet_wait_data(BSOCK * bsock, int sec)
{
FD_ZERO(&fdset);
FD_SET((unsigned)bsock->fd, &fdset);
- tv.tv_sec = sec;
- tv.tv_usec = 0;
for (;;) {
+ tv.tv_sec = sec;
+ tv.tv_usec = 0;
switch (select(bsock->fd + 1, &fdset, NULL, NULL, &tv)) {
- case 0: /* timeout */
- bsock->b_errno = 0;
- return 0;
+ case 0: /* timeout */
+ bsock->b_errno = 0;
+ return 0;
case -1:
- bsock->b_errno = errno;
- if (errno == EINTR || errno == EAGAIN) {
- continue;
- }
- return -1; /* error return */
+ bsock->b_errno = errno;
+ if (errno == EINTR) {
+ continue;
+ }
+ return -1; /* error return */
default:
- bsock->b_errno = 0;
- return 1;
+ bsock->b_errno = 0;
+ return 1;
}
}
}
FD_SET((unsigned)bsock->fd, &fdset);
tv.tv_sec = sec;
tv.tv_usec = 0;
- for (;;) {
- switch (select(bsock->fd + 1, &fdset, NULL, NULL, &tv)) {
- case 0: /* timeout */
- bsock->b_errno = 0;
- return 0;
- case -1:
- bsock->b_errno = errno;
- return -1; /* error return */
- default:
- bsock->b_errno = 0;
- return 1;
- }
+ switch (select(bsock->fd + 1, &fdset, NULL, NULL, &tv)) {
+ case 0: /* timeout */
+ bsock->b_errno = 0;
+ return 0;
+ case -1:
+ bsock->b_errno = errno;
+ return -1; /* error return */
+ default:
+ bsock->b_errno = 0;
}
+ return 1;
}
#ifndef NETDB_INTERNAL
-#define NETDB_INTERNAL -1 /* See errno. */
+#define NETDB_INTERNAL -1 /* See errno. */
#endif
#ifndef NETDB_SUCCESS
-#define NETDB_SUCCESS 0 /* No problem. */
+#define NETDB_SUCCESS 0 /* No problem. */
#endif
#ifndef HOST_NOT_FOUND
-#define HOST_NOT_FOUND 1 /* Authoritative Answer Host not found. */
+#define HOST_NOT_FOUND 1 /* Authoritative Answer Host not found. */
#endif
#ifndef TRY_AGAIN
-#define TRY_AGAIN 2 /* Non-Authoritative Host not found, or SERVERFAIL. */
+#define TRY_AGAIN 2 /* Non-Authoritative Host not found, or SERVERFAIL. */
#endif
#ifndef NO_RECOVERY
-#define NO_RECOVERY 3 /* Non recoverable errors, FORMERR, REFUSED, NOTIMP. */
+#define NO_RECOVERY 3 /* Non recoverable errors, FORMERR, REFUSED, NOTIMP. */
#endif
#ifndef NO_DATA
-#define NO_DATA 4 /* Valid name, no data record of requested type. */
+#define NO_DATA 4 /* Valid name, no data record of requested type. */
#endif
/*
static const char *gethost_strerror()
{
const char *msg;
+ berrno be;
switch (h_errno) {
case NETDB_INTERNAL:
- msg = strerror(errno);
+ msg = be.strerror();
break;
case NETDB_SUCCESS:
- msg = "No problem.";
+ msg = _("No problem.");
break;
case HOST_NOT_FOUND:
- msg = "Authoritative answer for host not found.";
+ msg = _("Authoritative answer for host not found.");
break;
case TRY_AGAIN:
- msg = "Non-authoritative for host not found, or ServerFail.";
+ msg = _("Non-authoritative for host not found, or ServerFail.");
break;
case NO_RECOVERY:
- msg = "Non-recoverable errors, FORMERR, REFUSED, or NOTIMP.";
+ msg = _("Non-recoverable errors, FORMERR, REFUSED, or NOTIMP.");
break;
case NO_DATA:
- msg = "Valid name, no data record of resquested type.";
+ msg = _("Valid name, no data record of resquested type.");
break;
default:
- msg = "Unknown error.";
+ msg = _("Unknown error.");
}
return msg;
}
-static pthread_mutex_t ip_mutex = PTHREAD_MUTEX_INITIALIZER;
static IPADDR *add_any(int family)
struct hostent *hp;
const char *errmsg;
- P(ip_mutex);
+ P(ip_mutex); /* gethostbyname() is not thread safe */
#ifdef HAVE_GETHOSTBYNAME2
if ((hp = gethostbyname2(host, family)) == NULL) {
#else
} else {
char **p;
for (p = hp->h_addr_list; *p != 0; p++) {
- IPADDR *addr = New(IPADDR(hp->h_addrtype));
- addr->set_type(IPADDR::R_MULTIPLE);
- if (addr->get_family() == AF_INET) {
- addr->set_addr4((struct in_addr*)*p);
- }
+ IPADDR *addr = New(IPADDR(hp->h_addrtype));
+ addr->set_type(IPADDR::R_MULTIPLE);
+ if (addr->get_family() == AF_INET) {
+ addr->set_addr4((struct in_addr*)*p);
+ }
#ifdef HAVE_IPV6
- else {
- addr->set_addr6((struct in6_addr*)*p);
- }
+ else {
+ addr->set_addr6((struct in6_addr*)*p);
+ }
#endif
- addr_list->append(addr);
+ addr_list->append(addr);
}
V(ip_mutex);
}
dlist *addr_list = New(dlist(addr, &addr->link));
if (!host || host[0] == '\0') {
if (family != 0) {
- addr_list->append(add_any(family));
+ addr_list->append(add_any(family));
} else {
- addr_list->append(add_any(AF_INET));
+ addr_list->append(add_any(AF_INET));
#ifdef HAVE_IPV6
- addr_list->append(add_any(AF_INET6));
+ addr_list->append(add_any(AF_INET6));
#endif
}
} else if (inet_aton(host, &inaddr)) { /* MA Bug 4 */
#endif
{
if (family != 0) {
- errmsg = resolv_host(family, host, addr_list);
- if (errmsg) {
- *errstr = errmsg;
- free_addresses(addr_list);
- return 0;
- }
+ errmsg = resolv_host(family, host, addr_list);
+ if (errmsg) {
+ *errstr = errmsg;
+ free_addresses(addr_list);
+ return 0;
+ }
} else {
- errmsg = resolv_host(AF_INET, host, addr_list);
+ errmsg = resolv_host(AF_INET, host, addr_list);
#ifdef HAVE_IPV6
- if (errmsg) {
- errmsg = resolv_host(AF_INET6, host, addr_list);
- }
+ if (errmsg) {
+ errmsg = resolv_host(AF_INET6, host, addr_list);
+ }
#endif
- if (errmsg) {
- *errstr = errmsg;
- free_addresses(addr_list);
- return 0;
- }
+ if (errmsg) {
+ *errstr = errmsg;
+ free_addresses(addr_list);
+ return 0;
+ }
}
}
return addr_list;
*
*/
static BSOCK *bnet_open(JCR * jcr, const char *name, char *host, char *service,
- int port, int *fatal)
+ int port, int *fatal)
{
int sockfd = -1;
dlist *addr_list;
*/
if ((addr_list = bnet_host2ipaddrs(host, 0, &errstr)) == NULL) {
/* Note errstr is not malloc'ed */
- Qmsg2(jcr, M_ERROR, 0, "gethostbyname() for host \"%s\" failed: ERR=%s\n",
- host, errstr);
+ Qmsg2(jcr, M_ERROR, 0, _("gethostbyname() for host \"%s\" failed: ERR=%s\n"),
+ host, errstr);
Dmsg2(100, "bnet_host2ipaddrs() for host %s failed: ERR=%s\n",
- host, errstr);
+ host, errstr);
*fatal = 1;
return NULL;
}
char allbuf[256 * 10];
char curbuf[256];
Dmsg2(100, "Current %sAll %s\n",
- ipaddr->build_address_str(curbuf, sizeof(curbuf)),
- build_addresses_str(addr_list, allbuf, sizeof(allbuf)));
+ ipaddr->build_address_str(curbuf, sizeof(curbuf)),
+ build_addresses_str(addr_list, allbuf, sizeof(allbuf)));
/* Open a TCP socket */
if ((sockfd = socket(ipaddr->get_family(), SOCK_STREAM, 0)) < 0) {
- berrno be;
- save_errno = errno;
- *fatal = 1;
- Pmsg3(000, "Socket open error. proto=%d port=%d. ERR=%s\n",
- ipaddr->get_family(), ipaddr->get_port_host_order(), be.strerror());
- continue;
+ berrno be;
+ save_errno = errno;
+ *fatal = 1;
+ Pmsg3(000, _("Socket open error. proto=%d port=%d. ERR=%s\n"),
+ ipaddr->get_family(), ipaddr->get_port_host_order(), be.strerror());
+ continue;
}
/*
* Keep socket from timing out from inactivity
*/
if (setsockopt(sockfd, SOL_SOCKET, SO_KEEPALIVE, (sockopt_val_t)&turnon, sizeof(turnon)) < 0) {
- berrno be;
- Qmsg1(jcr, M_WARNING, 0, _("Cannot set SO_KEEPALIVE on socket: %s\n"),
- be.strerror());
+ berrno be;
+ Qmsg1(jcr, M_WARNING, 0, _("Cannot set SO_KEEPALIVE on socket: %s\n"),
+ be.strerror());
}
/* connect to server */
if (connect(sockfd, ipaddr->get_sockaddr(), ipaddr->get_sockaddr_len()) < 0) {
- save_errno = errno;
- close(sockfd);
- continue;
+ save_errno = errno;
+ socketClose(sockfd);
+ continue;
}
*fatal = 0;
connected = true;
}
if (!connected) {
- free_addresses(addr_list);
+ free_addresses(addr_list);
errno = save_errno;
return NULL;
}
/*
* Keep socket from timing out from inactivity
- * Do this a second time out of paranoia
+ * Do this a second time out of paranoia
*/
if (setsockopt(sockfd, SOL_SOCKET, SO_KEEPALIVE, (sockopt_val_t)&turnon, sizeof(turnon)) < 0) {
berrno be;
Qmsg1(jcr, M_WARNING, 0, _("Cannot set SO_KEEPALIVE on socket: %s\n"),
- be.strerror());
+ be.strerror());
}
BSOCK* ret = init_bsock(jcr, sockfd, name, host, port, ipaddr->get_sockaddr());
free_addresses(addr_list);
/*
* Try to connect to host for max_retry_time at retry_time intervals.
*/
-BSOCK *bnet_connect(JCR * jcr, int retry_interval, int max_retry_time,
- const char *name, char *host, char *service, int port,
- int verbose)
+BSOCK *bnet_connect(JCR * jcr, int retry_interval, utime_t max_retry_time,
+ const char *name, char *host, char *service, int port,
+ int verbose)
{
int i;
BSOCK *bsock;
int fatal = 0;
+ time_t begin_time = time(NULL);
+ time_t now;
for (i = 0; (bsock = bnet_open(jcr, name, host, service, port, &fatal)) == NULL;
- i -= retry_interval) {
+ i -= retry_interval) {
berrno be;
if (fatal || (jcr && job_canceled(jcr))) {
- return NULL;
+ return NULL;
}
Dmsg4(100, "Unable to connect to %s on %s:%d. ERR=%s\n",
- name, host, port, be.strerror());
+ name, host, port, be.strerror());
if (i < 0) {
- i = 60 * 5; /* complain again in 5 minutes */
- if (verbose)
- Qmsg4(jcr, M_WARNING, 0, "Could not connect to %s on %s:%d. ERR=%s\n"
-"Retrying ...\n", name, host, port, be.strerror());
+ i = 60 * 5; /* complain again in 5 minutes */
+ if (verbose)
+ Qmsg4(jcr, M_WARNING, 0, _(
+ "Could not connect to %s on %s:%d. ERR=%s\n"
+ "Retrying ...\n"), name, host, port, be.strerror());
}
bmicrosleep(retry_interval, 0);
- max_retry_time -= retry_interval;
- if (max_retry_time <= 0) {
- Qmsg4(jcr, M_FATAL, 0, _("Unable to connect to %s on %s:%d. ERR=%s\n"),
- name, host, port, be.strerror());
- return NULL;
+ now = time(NULL);
+ if (begin_time + max_retry_time <= now) {
+ Qmsg4(jcr, M_FATAL, 0, _("Unable to connect to %s on %s:%d. ERR=%s\n"),
+ name, host, port, be.strerror());
+ return NULL;
}
}
return bsock;
/*
* Format and send a message
* Returns: false on error
- * true on success
+ * true on success
*/
bool bnet_fsend(BSOCK * bs, const char *fmt, ...)
{
bs->msglen = bvsnprintf(bs->msg, maxlen, fmt, arg_ptr);
va_end(arg_ptr);
if (bs->msglen > 0 && bs->msglen < (maxlen - 5)) {
- break;
+ break;
}
bs->msg = realloc_pool_memory(bs->msg, maxlen + maxlen / 2);
}
- return bnet_send(bs);
+ return bs->send();
+// return bnet_send(bs);
}
+int bnet_get_peer(BSOCK *bs, char *buf, socklen_t buflen) {
+#if !defined(HAVE_WIN32)
+ if (bs->peer_addr.sin_family == 0) {
+ socklen_t salen = sizeof(bs->peer_addr);
+ int rval = (getpeername)(bs->fd, (struct sockaddr *)&bs->peer_addr, &salen);
+ if (rval < 0) return rval;
+ }
+ if (!inet_ntop(bs->peer_addr.sin_family, &bs->peer_addr.sin_addr, buf, buflen))
+ return -1;
+
+ return 0;
+#else
+ return -1;
+#endif
+}
/*
* Set the network buffer size, suggested size is in size.
* Actual size obtained is returned in bs->msglen
*
* Returns: 0 on failure
- * 1 on success
+ * 1 on success
*/
bool bnet_set_buffer_size(BSOCK * bs, uint32_t size, int rw)
{
}
start_size = dbuf_size;
if ((bs->msg = realloc_pool_memory(bs->msg, dbuf_size + 100)) == NULL) {
- Qmsg0(bs->jcr, M_FATAL, 0, _("Could not malloc BSOCK data buffer\n"));
+ Qmsg0(bs->jcr(), M_FATAL, 0, _("Could not malloc BSOCK data buffer\n"));
return false;
}
if (rw & BNET_SETBUF_READ) {
while ((dbuf_size > TAPE_BSIZE) && (setsockopt(bs->fd, SOL_SOCKET,
- SO_RCVBUF, (sockopt_val_t) & dbuf_size, sizeof(dbuf_size)) < 0)) {
- berrno be;
- Qmsg1(bs->jcr, M_ERROR, 0, _("sockopt error: %s\n"), be.strerror());
- dbuf_size -= TAPE_BSIZE;
+ SO_RCVBUF, (sockopt_val_t) & dbuf_size, sizeof(dbuf_size)) < 0)) {
+ berrno be;
+ Qmsg1(bs->jcr(), M_ERROR, 0, _("sockopt error: %s\n"), be.strerror());
+ dbuf_size -= TAPE_BSIZE;
}
Dmsg1(200, "set network buffer size=%d\n", dbuf_size);
if (dbuf_size != start_size) {
- Qmsg1(bs->jcr, M_WARNING, 0,
- _("Warning network buffer = %d bytes not max size.\n"), dbuf_size);
+ Qmsg1(bs->jcr(), M_WARNING, 0,
+ _("Warning network buffer = %d bytes not max size.\n"), dbuf_size);
}
if (dbuf_size % TAPE_BSIZE != 0) {
- Qmsg1(bs->jcr, M_ABORT, 0,
- _("Network buffer size %d not multiple of tape block size.\n"),
- dbuf_size);
+ Qmsg1(bs->jcr(), M_ABORT, 0,
+ _("Network buffer size %d not multiple of tape block size.\n"),
+ dbuf_size);
}
}
if (size != 0) {
start_size = dbuf_size;
if (rw & BNET_SETBUF_WRITE) {
while ((dbuf_size > TAPE_BSIZE) && (setsockopt(bs->fd, SOL_SOCKET,
- SO_SNDBUF, (sockopt_val_t) & dbuf_size, sizeof(dbuf_size)) < 0)) {
- berrno be;
- Qmsg1(bs->jcr, M_ERROR, 0, _("sockopt error: %s\n"), be.strerror());
- dbuf_size -= TAPE_BSIZE;
+ SO_SNDBUF, (sockopt_val_t) & dbuf_size, sizeof(dbuf_size)) < 0)) {
+ berrno be;
+ Qmsg1(bs->jcr(), M_ERROR, 0, _("sockopt error: %s\n"), be.strerror());
+ dbuf_size -= TAPE_BSIZE;
}
- Dmsg1(200, "set network buffer size=%d\n", dbuf_size);
+ Dmsg1(900, "set network buffer size=%d\n", dbuf_size);
if (dbuf_size != start_size) {
- Qmsg1(bs->jcr, M_WARNING, 0,
- _("Warning network buffer = %d bytes not max size.\n"), dbuf_size);
+ Qmsg1(bs->jcr(), M_WARNING, 0,
+ _("Warning network buffer = %d bytes not max size.\n"), dbuf_size);
}
if (dbuf_size % TAPE_BSIZE != 0) {
- Qmsg1(bs->jcr, M_ABORT, 0,
- _("Network buffer size %d not multiple of tape block size.\n"),
- dbuf_size);
+ Qmsg1(bs->jcr(), M_ABORT, 0,
+ _("Network buffer size %d not multiple of tape block size.\n"),
+ dbuf_size);
}
}
return true;
}
+/*
+ * Set socket non-blocking
+ * Returns previous socket flag
+ */
+int bnet_set_nonblocking (BSOCK *bsock) {
+#ifndef HAVE_WIN32
+ int oflags;
+
+ /* Get current flags */
+ if ((oflags = fcntl(bsock->fd, F_GETFL, 0)) < 0) {
+ berrno be;
+ Jmsg1(bsock->jcr(), M_ABORT, 0, _("fcntl F_GETFL error. ERR=%s\n"), be.strerror());
+ }
+
+ /* Set O_NONBLOCK flag */
+ if ((fcntl(bsock->fd, F_SETFL, oflags|O_NONBLOCK)) < 0) {
+ berrno be;
+ Jmsg1(bsock->jcr(), M_ABORT, 0, _("fcntl F_SETFL error. ERR=%s\n"), be.strerror());
+ }
+
+ bsock->blocking = 0;
+ return oflags;
+#else
+ int flags;
+ u_long ioctlArg = 1;
+
+ flags = bsock->blocking;
+ ioctlsocket(bsock->fd, FIONBIO, &ioctlArg);
+ bsock->blocking = 0;
+
+ return flags;
+#endif
+}
+
+/*
+ * Set socket blocking
+ * Returns previous socket flags
+ */
+int bnet_set_blocking (BSOCK *bsock)
+{
+#ifndef HAVE_WIN32
+ int oflags;
+ /* Get current flags */
+ if ((oflags = fcntl(bsock->fd, F_GETFL, 0)) < 0) {
+ berrno be;
+ Jmsg1(bsock->jcr(), M_ABORT, 0, _("fcntl F_GETFL error. ERR=%s\n"), be.strerror());
+ }
+
+ /* Set O_NONBLOCK flag */
+ if ((fcntl(bsock->fd, F_SETFL, oflags & ~O_NONBLOCK)) < 0) {
+ berrno be;
+ Jmsg1(bsock->jcr(), M_ABORT, 0, _("fcntl F_SETFL error. ERR=%s\n"), be.strerror());
+ }
+
+ bsock->blocking = 1;
+ return oflags;
+#else
+ int flags;
+ u_long ioctlArg = 0;
+
+ flags = bsock->blocking;
+ ioctlsocket(bsock->fd, FIONBIO, &ioctlArg);
+ bsock->blocking = 1;
+
+ return flags;
+#endif
+}
+
+/*
+ * Restores socket flags
+ */
+void bnet_restore_blocking (BSOCK *bsock, int flags)
+{
+#ifndef HAVE_WIN32
+ if ((fcntl(bsock->fd, F_SETFL, flags)) < 0) {
+ berrno be;
+ Jmsg1(bsock->jcr(), M_ABORT, 0, _("fcntl F_SETFL error. ERR=%s\n"), be.strerror());
+ }
+
+ bsock->blocking = (flags & O_NONBLOCK);
+#else
+ u_long ioctlArg = flags;
+
+ ioctlsocket(bsock->fd, FIONBIO, &ioctlArg);
+ bsock->blocking = 1;
+#endif
+}
+
+
/*
* Send a network "signal" to the other end
* This consists of sending a negative packet length
*
* Returns: false on failure
- * true on success
+ * true on success
*/
-bool bnet_sig(BSOCK * bs, int sig)
+bool bnet_sig(BSOCK * bs, int signal)
{
- bs->msglen = sig;
- return bnet_send(bs);
+ return bs->signal(signal);
}
/*
case BNET_PROMPT:
return "BNET_PROMPT";
default:
- sprintf(buf, "Unknown sig %d", bs->msglen);
+ sprintf(buf, _("Unknown sig %d"), (int)bs->msglen);
return buf;
}
}
* This probably should be done in net_open
*/
BSOCK *init_bsock(JCR * jcr, int sockfd, const char *who, const char *host, int port,
- struct sockaddr *client_addr)
+ struct sockaddr *client_addr)
{
Dmsg3(100, "who=%s host=%s port=%d\n", who, host, port);
BSOCK *bsock = (BSOCK *)malloc(sizeof(BSOCK));
memset(bsock, 0, sizeof(BSOCK));
bsock->fd = sockfd;
+ bsock->tls = NULL;
bsock->errors = 0;
+ bsock->blocking = 1;
bsock->msg = get_pool_memory(PM_MESSAGE);
bsock->errmsg = get_pool_memory(PM_MESSAGE);
- bsock->who = bstrdup(who);
- bsock->host = bstrdup(host);
- bsock->port = port;
+ bsock->set_who(bstrdup(who));
+ bsock->set_host(bstrdup(host));
+ bsock->set_port(port);
+ memset(&bsock->peer_addr, 0, sizeof(bsock->peer_addr));
memcpy(&bsock->client_addr, client_addr, sizeof(bsock->client_addr));
/*
* ****FIXME**** reduce this to a few hours once
- * heartbeats are implemented
+ * heartbeats are implemented
*/
- bsock->timeout = 60 * 60 * 6 * 24; /* 6 days timeout */
- bsock->jcr = jcr;
+ bsock->timeout = 60 * 60 * 6 * 24; /* 6 days timeout */
+ bsock->set_jcr(jcr);
return bsock;
}
BSOCK *dup_bsock(BSOCK * osock)
{
- BSOCK *bsock = (BSOCK *) malloc(sizeof(BSOCK));
+ BSOCK *bsock = (BSOCK *)malloc(sizeof(BSOCK));
memcpy(bsock, osock, sizeof(BSOCK));
bsock->msg = get_pool_memory(PM_MESSAGE);
bsock->errmsg = get_pool_memory(PM_MESSAGE);
- if (osock->who) {
- bsock->who = bstrdup(osock->who);
+ if (osock->who()) {
+ bsock->set_who(bstrdup(osock->who()));
}
- if (osock->host) {
- bsock->host = bstrdup(osock->host);
+ if (osock->host()) {
+ bsock->set_host(bstrdup(osock->host()));
}
bsock->duped = true;
return bsock;
/* Close the network connection */
void bnet_close(BSOCK * bsock)
{
- BSOCK *next;
-
- for (; bsock != NULL; bsock = next) {
- next = bsock->next;
- if (!bsock->duped) {
- if (bsock->timed_out) {
- shutdown(bsock->fd, 2); /* discard any pending I/O */
- }
- socketClose(bsock->fd); /* normal close */
- }
- term_bsock(bsock);
- }
- return;
+ bsock->close(); /* this calls destroy */
}
void term_bsock(BSOCK * bsock)
{
- if (bsock->msg) {
- free_pool_memory(bsock->msg);
- bsock->msg = NULL;
- } else {
- ASSERT(1 == 0); /* double close */
- }
- if (bsock->errmsg) {
- free_pool_memory(bsock->errmsg);
- bsock->errmsg = NULL;
- }
- if (bsock->who) {
- free(bsock->who);
- bsock->who = NULL;
- }
- if (bsock->host) {
- free(bsock->host);
- bsock->host = NULL;
- }
- free(bsock);
+ bsock->destroy();
}
projects / bacula / bacula / blobdiff