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-rw-r--r--source3/lib/system.c45
-rw-r--r--source3/lib/util.c9
-rw-r--r--source3/lib/util_sock.c266
-rw-r--r--source3/tdb/tdb.c8
4 files changed, 187 insertions, 141 deletions
diff --git a/source3/lib/system.c b/source3/lib/system.c
index 8c7eec939e..d97751eb4b 100644
--- a/source3/lib/system.c
+++ b/source3/lib/system.c
@@ -73,6 +73,51 @@ int sys_usleep(long usecs)
}
/*******************************************************************
+A read wrapper that will deal with EINTR.
+********************************************************************/
+
+ssize_t sys_read(int fd, void *buf, size_t count)
+{
+ ssize_t ret;
+
+ do {
+ errno = 0;
+ ret = read(fd, buf, count);
+ } while (ret == -1 && errno == EINTR);
+ return ret;
+}
+
+/*******************************************************************
+A write wrapper that will deal with EINTR.
+********************************************************************/
+
+ssize_t sys_write(int fd, const void *buf, size_t count)
+{
+ ssize_t ret;
+
+ do {
+ errno = 0;
+ ret = write(fd, buf, count);
+ } while (ret == -1 && errno == EINTR);
+ return ret;
+}
+
+/*******************************************************************
+A send wrapper that will deal with EINTR.
+********************************************************************/
+
+int sys_send(int s, const void *msg, size_t len, int flags)
+{
+ ssize_t ret;
+
+ do {
+ errno = 0;
+ ret = send(s, msg, len, flags);
+ } while (ret == -1 && errno == EINTR);
+ return ret;
+}
+
+/*******************************************************************
A stat() wrapper that will deal with 64 bit filesizes.
********************************************************************/
diff --git a/source3/lib/util.c b/source3/lib/util.c
index 7e2ad49639..c524adaa7a 100644
--- a/source3/lib/util.c
+++ b/source3/lib/util.c
@@ -1353,11 +1353,12 @@ BOOL fcntl_lock(int fd, int op, SMB_OFF_T offset, SMB_OFF_T count, int type)
lock.l_len = count;
lock.l_pid = 0;
- errno = 0;
+ do {
+ errno = 0;
+ ret = fcntl(fd,op,&lock);
+ } while (ret == -1 && errno == EINTR);
- ret = fcntl(fd,op,&lock);
-
- if (errno != 0)
+ if (ret == -1 && errno != 0)
DEBUG(3,("fcntl_lock: fcntl lock gave errno %d (%s)\n",errno,strerror(errno)));
/* a lock query */
diff --git a/source3/lib/util_sock.c b/source3/lib/util_sock.c
index af3182264d..1c7f9ce115 100644
--- a/source3/lib/util_sock.c
+++ b/source3/lib/util_sock.c
@@ -247,10 +247,10 @@ static ssize_t read_socket_with_timeout(int fd,char *buf,size_t mincnt,size_t ma
if (fd == sslFd) {
readret = SSL_read(ssl, buf + nread, maxcnt - nread);
} else {
- readret = read(fd, buf + nread, maxcnt - nread);
+ readret = sys_read(fd, buf + nread, maxcnt - nread);
}
#else /* WITH_SSL */
- readret = read(fd, buf + nread, maxcnt - nread);
+ readret = sys_read(fd, buf + nread, maxcnt - nread);
#endif /* WITH_SSL */
if (readret == 0) {
@@ -304,10 +304,10 @@ static ssize_t read_socket_with_timeout(int fd,char *buf,size_t mincnt,size_t ma
if (fd == sslFd) {
readret = SSL_read(ssl, buf + nread, maxcnt - nread);
}else{
- readret = read(fd, buf + nread, maxcnt - nread);
+ readret = sys_read(fd, buf + nread, maxcnt - nread);
}
#else /* WITH_SSL */
- readret = read(fd, buf+nread, maxcnt-nread);
+ readret = sys_read(fd, buf+nread, maxcnt-nread);
#endif /* WITH_SSL */
if (readret == 0) {
@@ -357,10 +357,10 @@ ssize_t read_with_timeout(int fd, char *buf, size_t mincnt, size_t maxcnt,
if(fd == sslFd){
readret = SSL_read(ssl, buf + nread, maxcnt - nread);
}else{
- readret = read(fd, buf + nread, maxcnt - nread);
+ readret = sys_read(fd, buf + nread, maxcnt - nread);
}
#else /* WITH_SSL */
- readret = read(fd, buf + nread, maxcnt - nread);
+ readret = sys_read(fd, buf + nread, maxcnt - nread);
#endif /* WITH_SSL */
if (readret <= 0)
@@ -387,10 +387,10 @@ ssize_t read_with_timeout(int fd, char *buf, size_t mincnt, size_t maxcnt,
if(fd == sslFd){
readret = SSL_read(ssl, buf + nread, maxcnt - nread);
}else{
- readret = read(fd, buf + nread, maxcnt - nread);
+ readret = sys_read(fd, buf + nread, maxcnt - nread);
}
#else /* WITH_SSL */
- readret = read(fd, buf+nread, maxcnt-nread);
+ readret = sys_read(fd, buf+nread, maxcnt-nread);
#endif /* WITH_SSL */
if (readret <= 0)
@@ -409,12 +409,12 @@ send a keepalive packet (rfc1002)
BOOL send_keepalive(int client)
{
- unsigned char buf[4];
+ unsigned char buf[4];
- buf[0] = SMBkeepalive;
- buf[1] = buf[2] = buf[3] = 0;
+ buf[0] = SMBkeepalive;
+ buf[1] = buf[2] = buf[3] = 0;
- return(write_socket_data(client,(char *)buf,4) == 4);
+ return(write_socket_data(client,(char *)buf,4) == 4);
}
/****************************************************************************
@@ -423,38 +423,36 @@ BOOL send_keepalive(int client)
ssize_t read_data(int fd,char *buffer,size_t N)
{
- ssize_t ret;
- size_t total=0;
+ ssize_t ret;
+ size_t total=0;
- smb_read_error = 0;
+ smb_read_error = 0;
- while (total < N)
- {
+ while (total < N) {
#ifdef WITH_SSL
- if(fd == sslFd){
- ret = SSL_read(ssl, buffer + total, N - total);
- }else{
- ret = read(fd,buffer + total,N - total);
- }
+ if(fd == sslFd){
+ ret = SSL_read(ssl, buffer + total, N - total);
+ }else{
+ ret = sys_read(fd,buffer + total,N - total);
+ }
#else /* WITH_SSL */
- ret = read(fd,buffer + total,N - total);
+ ret = sys_read(fd,buffer + total,N - total);
#endif /* WITH_SSL */
- if (ret == 0)
- {
- DEBUG(10,("read_data: read of %d returned 0. Error = %s\n", (int)(N - total), strerror(errno) ));
- smb_read_error = READ_EOF;
- return 0;
- }
- if (ret == -1)
- {
- DEBUG(0,("read_data: read failure for %d. Error = %s\n", (int)(N - total), strerror(errno) ));
- smb_read_error = READ_ERROR;
- return -1;
- }
- total += ret;
- }
- return (ssize_t)total;
+ if (ret == 0) {
+ DEBUG(10,("read_data: read of %d returned 0. Error = %s\n", (int)(N - total), strerror(errno) ));
+ smb_read_error = READ_EOF;
+ return 0;
+ }
+
+ if (ret == -1) {
+ DEBUG(0,("read_data: read failure for %d. Error = %s\n", (int)(N - total), strerror(errno) ));
+ smb_read_error = READ_ERROR;
+ return -1;
+ }
+ total += ret;
+ }
+ return (ssize_t)total;
}
/****************************************************************************
@@ -463,38 +461,36 @@ ssize_t read_data(int fd,char *buffer,size_t N)
static ssize_t read_socket_data(int fd,char *buffer,size_t N)
{
- ssize_t ret;
- size_t total=0;
+ ssize_t ret;
+ size_t total=0;
- smb_read_error = 0;
+ smb_read_error = 0;
- while (total < N)
- {
+ while (total < N) {
#ifdef WITH_SSL
- if(fd == sslFd){
- ret = SSL_read(ssl, buffer + total, N - total);
- }else{
- ret = read(fd,buffer + total,N - total);
+ if(fd == sslFd){
+ ret = SSL_read(ssl, buffer + total, N - total);
+ }else{
+ ret = sys_read(fd,buffer + total,N - total);
}
#else /* WITH_SSL */
- ret = read(fd,buffer + total,N - total);
+ ret = sys_read(fd,buffer + total,N - total);
#endif /* WITH_SSL */
- if (ret == 0)
- {
- DEBUG(10,("read_socket_data: recv of %d returned 0. Error = %s\n", (int)(N - total), strerror(errno) ));
- smb_read_error = READ_EOF;
- return 0;
- }
- if (ret == -1)
- {
- DEBUG(0,("read_socket_data: recv failure for %d. Error = %s\n", (int)(N - total), strerror(errno) ));
- smb_read_error = READ_ERROR;
- return -1;
- }
- total += ret;
- }
- return (ssize_t)total;
+ if (ret == 0) {
+ DEBUG(10,("read_socket_data: recv of %d returned 0. Error = %s\n", (int)(N - total), strerror(errno) ));
+ smb_read_error = READ_EOF;
+ return 0;
+ }
+
+ if (ret == -1) {
+ DEBUG(0,("read_socket_data: recv failure for %d. Error = %s\n", (int)(N - total), strerror(errno) ));
+ smb_read_error = READ_ERROR;
+ return -1;
+ }
+ total += ret;
+ }
+ return (ssize_t)total;
}
/****************************************************************************
@@ -503,30 +499,30 @@ static ssize_t read_socket_data(int fd,char *buffer,size_t N)
ssize_t write_data(int fd,char *buffer,size_t N)
{
- size_t total=0;
- ssize_t ret;
+ size_t total=0;
+ ssize_t ret;
- while (total < N)
- {
+ while (total < N) {
#ifdef WITH_SSL
- if(fd == sslFd){
- ret = SSL_write(ssl,buffer + total,N - total);
- }else{
- ret = write(fd,buffer + total,N - total);
- }
+ if(fd == sslFd){
+ ret = SSL_write(ssl,buffer + total,N - total);
+ }else{
+ ret = sys_write(fd,buffer + total,N - total);
+ }
#else /* WITH_SSL */
- ret = write(fd,buffer + total,N - total);
+ ret = sys_write(fd,buffer + total,N - total);
#endif /* WITH_SSL */
- if (ret == -1) {
- DEBUG(0,("write_data: write failure. Error = %s\n", strerror(errno) ));
- return -1;
- }
- if (ret == 0) return total;
+ if (ret == -1) {
+ DEBUG(0,("write_data: write failure. Error = %s\n", strerror(errno) ));
+ return -1;
+ }
+ if (ret == 0)
+ return total;
- total += ret;
- }
- return (ssize_t)total;
+ total += ret;
+ }
+ return (ssize_t)total;
}
/****************************************************************************
@@ -535,30 +531,30 @@ ssize_t write_data(int fd,char *buffer,size_t N)
ssize_t write_socket_data(int fd,char *buffer,size_t N)
{
- size_t total=0;
- ssize_t ret;
+ size_t total=0;
+ ssize_t ret;
- while (total < N)
- {
+ while (total < N) {
#ifdef WITH_SSL
- if(fd == sslFd){
- ret = SSL_write(ssl,buffer + total,N - total);
- }else{
- ret = send(fd,buffer + total,N - total, 0);
+ if(fd == sslFd){
+ ret = SSL_write(ssl,buffer + total,N - total);
+ }else{
+ ret = sys_send(fd,buffer + total,N - total, 0);
}
#else /* WITH_SSL */
- ret = send(fd,buffer + total,N - total,0);
+ ret = sys_send(fd,buffer + total,N - total,0);
#endif /* WITH_SSL */
- if (ret == -1) {
- DEBUG(0,("write_socket_data: write failure. Error = %s\n", strerror(errno) ));
- return -1;
- }
- if (ret == 0) return total;
+ if (ret == -1) {
+ DEBUG(0,("write_socket_data: write failure. Error = %s\n", strerror(errno) ));
+ return -1;
+ }
+ if (ret == 0)
+ return total;
- total += ret;
- }
- return (ssize_t)total;
+ total += ret;
+ }
+ return (ssize_t)total;
}
/****************************************************************************
@@ -567,17 +563,17 @@ write to a socket
ssize_t write_socket(int fd,char *buf,size_t len)
{
- ssize_t ret=0;
+ ssize_t ret=0;
- DEBUG(6,("write_socket(%d,%d)\n",fd,(int)len));
- ret = write_socket_data(fd,buf,len);
+ DEBUG(6,("write_socket(%d,%d)\n",fd,(int)len));
+ ret = write_socket_data(fd,buf,len);
- DEBUG(6,("write_socket(%d,%d) wrote %d\n",fd,(int)len,(int)ret));
- if(ret <= 0)
- DEBUG(0,("write_socket: Error writing %d bytes to socket %d: ERRNO = %s\n",
- (int)len, fd, strerror(errno) ));
+ DEBUG(6,("write_socket(%d,%d) wrote %d\n",fd,(int)len,(int)ret));
+ if(ret <= 0)
+ DEBUG(0,("write_socket: Error writing %d bytes to socket %d: ERRNO = %s\n",
+ (int)len, fd, strerror(errno) ));
- return(ret);
+ return(ret);
}
/****************************************************************************
@@ -590,30 +586,29 @@ timeout is in milliseconds.
static ssize_t read_smb_length_return_keepalive(int fd,char *inbuf,unsigned int timeout)
{
- ssize_t len=0;
- int msg_type;
- BOOL ok = False;
+ ssize_t len=0;
+ int msg_type;
+ BOOL ok = False;
- while (!ok)
- {
- if (timeout > 0)
- ok = (read_socket_with_timeout(fd,inbuf,4,4,timeout) == 4);
- else
- ok = (read_socket_data(fd,inbuf,4) == 4);
+ while (!ok) {
+ if (timeout > 0)
+ ok = (read_socket_with_timeout(fd,inbuf,4,4,timeout) == 4);
+ else
+ ok = (read_socket_data(fd,inbuf,4) == 4);
- if (!ok)
- return(-1);
+ if (!ok)
+ return(-1);
- len = smb_len(inbuf);
- msg_type = CVAL(inbuf,0);
+ len = smb_len(inbuf);
+ msg_type = CVAL(inbuf,0);
- if (msg_type == SMBkeepalive)
- DEBUG(5,("Got keepalive packet\n"));
- }
+ if (msg_type == SMBkeepalive)
+ DEBUG(5,("Got keepalive packet\n"));
+ }
- DEBUG(10,("got smb length of %d\n",len));
+ DEBUG(10,("got smb length of %d\n",len));
- return(len);
+ return(len);
}
/****************************************************************************
@@ -625,23 +620,22 @@ timeout is in milliseconds.
ssize_t read_smb_length(int fd,char *inbuf,unsigned int timeout)
{
- ssize_t len;
+ ssize_t len;
- for(;;)
- {
- len = read_smb_length_return_keepalive(fd, inbuf, timeout);
+ for(;;) {
+ len = read_smb_length_return_keepalive(fd, inbuf, timeout);
- if(len < 0)
- return len;
+ if(len < 0)
+ return len;
- /* Ignore session keepalives. */
- if(CVAL(inbuf,0) != SMBkeepalive)
- break;
- }
+ /* Ignore session keepalives. */
+ if(CVAL(inbuf,0) != SMBkeepalive)
+ break;
+ }
- DEBUG(10,("read_smb_length: got smb length of %d\n",len));
+ DEBUG(10,("read_smb_length: got smb length of %d\n",len));
- return len;
+ return len;
}
/****************************************************************************
diff --git a/source3/tdb/tdb.c b/source3/tdb/tdb.c
index 98caca82a1..e3ba1db0d2 100644
--- a/source3/tdb/tdb.c
+++ b/source3/tdb/tdb.c
@@ -169,6 +169,7 @@ static int tdb_brlock(TDB_CONTEXT *tdb, tdb_off offset,
int rw_type, int lck_type, int probe)
{
struct flock fl;
+ int ret;
if (tdb->flags & TDB_NOLOCK)
return 0;
@@ -183,7 +184,12 @@ static int tdb_brlock(TDB_CONTEXT *tdb, tdb_off offset,
fl.l_len = 1;
fl.l_pid = 0;
- if (fcntl(tdb->fd,lck_type,&fl) == -1) {
+ do {
+ errno = 0;
+ ret = fcntl(tdb->fd,lck_type,&fl);
+ } while (ret == -1 && errno == EINTR);
+
+ if (ret == -1) {
if (!probe) {
TDB_LOG((tdb, 5,"tdb_brlock failed (fd=%d) at offset %d rw_type=%d lck_type=%d\n",
tdb->fd, offset, rw_type, lck_type));
generated by cgit (git 2.34.1) at 2024-11-10 08:27:17 +0000