/*
- Unix SMB/Netbios implementation.
- Version 3.0.
+ Unix SMB/CIFS implementation.
Samba utility functions
Copyright (C) Andrew Tridgell 1992-1998
Copyright (C) Tim Potter 2000-2001
#include "includes.h"
-#ifdef WITH_SSL
-#include <openssl/ssl.h>
-#undef Realloc /* SSLeay defines this and samba has a function of this name */
-extern SSL *ssl;
-extern int sslFd;
-#endif /* WITH_SSL */
-
/* the last IP received from */
struct in_addr lastip;
BOOL is_a_socket(int fd)
{
- int v,l;
- l = sizeof(int);
- return(getsockopt(fd, SOL_SOCKET, SO_TYPE, (char *)&v, &l) == 0);
+ int v,l;
+ l = sizeof(int);
+ return(getsockopt(fd, SOL_SOCKET, SO_TYPE, (char *)&v, &l) == 0);
}
enum SOCK_OPT_TYPES {OPT_BOOL,OPT_INT,OPT_ON};
-typedef struct smb_socket_option
-{
- char *name;
- int level;
- int option;
- int value;
- int opttype;
+typedef struct smb_socket_option {
+ char *name;
+ int level;
+ int option;
+ int value;
+ int opttype;
} smb_socket_option;
-smb_socket_option socket_options[] = {
+static const smb_socket_option socket_options[] = {
{"SO_KEEPALIVE", SOL_SOCKET, SO_KEEPALIVE, 0, OPT_BOOL},
{"SO_REUSEADDR", SOL_SOCKET, SO_REUSEADDR, 0, OPT_BOOL},
{"SO_BROADCAST", SOL_SOCKET, SO_BROADCAST, 0, OPT_BOOL},
/****************************************************************************
Print socket options.
****************************************************************************/
+
static void print_socket_options(int s)
{
int value, vlen = 4;
- smb_socket_option *p = &socket_options[0];
+ const smb_socket_option *p = &socket_options[0];
for (; p->name != NULL; p++) {
if (getsockopt(s, p->level, p->option, (void *)&value, &vlen) == -1) {
memset((char *)&sock,'\0',socklen);
memset((char *)&lastip,'\0',sizeof(lastip));
- ret = (ssize_t)recvfrom(fd,buf,len,0,(struct sockaddr *)&sock,&socklen);
+ ret = (ssize_t)sys_recvfrom(fd,buf,len,0,(struct sockaddr *)&sock,&socklen);
if (ret <= 0) {
DEBUG(2,("read socket failed. ERRNO=%s\n",strerror(errno)));
return(0);
/*******************************************************************
checks if read data is outstanding.
********************************************************************/
-int read_data_outstanding(int fd, unsigned int time_out)
+static int read_data_outstanding(int fd, unsigned int time_out)
{
int selrtn;
fd_set fds;
timeout.tv_sec = (time_t) (time_out / 1000);
timeout.tv_usec = (long)(1000 * (time_out % 1000));
- selrtn = sys_select_intr(fd + 1, &fds, &timeout);
+ selrtn = sys_select_intr(fd + 1, &fds, NULL, NULL, &timeout);
if (selrtn <= 0)
{
if (mincnt == 0) mincnt = maxcnt;
while (nread < mincnt) {
-#ifdef WITH_SSL
- if (fd == sslFd) {
- readret = SSL_read(ssl, buf + nread, maxcnt - nread);
- } else {
- readret = read(fd, buf + nread, maxcnt - nread);
- }
-#else /* WITH_SSL */
- readret = read(fd, buf + nread, maxcnt - nread);
-#endif /* WITH_SSL */
+ readret = sys_read(fd, buf + nread, maxcnt - nread);
if (readret == 0) {
DEBUG(5,("read_socket_with_timeout: blocking read. EOF from client.\n"));
FD_ZERO(&fds);
FD_SET(fd,&fds);
- selrtn = sys_select_intr(fd+1,&fds,&timeout);
+ selrtn = sys_select_intr(fd+1,&fds,NULL,NULL,&timeout);
/* Check if error */
if (selrtn == -1) {
return -1;
}
-#ifdef WITH_SSL
- if (fd == sslFd) {
- readret = SSL_read(ssl, buf + nread, maxcnt - nread);
- }else{
- readret = read(fd, buf + nread, maxcnt - nread);
- }
-#else /* WITH_SSL */
- readret = read(fd, buf+nread, maxcnt-nread);
-#endif /* WITH_SSL */
+ readret = sys_read(fd, buf+nread, maxcnt-nread);
if (readret == 0) {
/* we got EOF on the file descriptor */
if (mincnt == 0) mincnt = maxcnt;
while (nread < mincnt) {
-#ifdef WITH_SSL
- if(fd == sslFd){
- readret = SSL_read(ssl, buf + nread, maxcnt - nread);
- }else{
- readret = read(fd, buf + nread, maxcnt - nread);
- }
-#else /* WITH_SSL */
- readret = read(fd, buf + nread, maxcnt - nread);
-#endif /* WITH_SSL */
+ readret = sys_read(fd, buf + nread, maxcnt - nread);
if (readret <= 0)
return readret;
if(selrtn <= 0)
return selrtn;
-#ifdef WITH_SSL
- if(fd == sslFd){
- readret = SSL_read(ssl, buf + nread, maxcnt - nread);
- }else{
- readret = read(fd, buf + nread, maxcnt - nread);
- }
-#else /* WITH_SSL */
- readret = read(fd, buf+nread, maxcnt-nread);
-#endif /* WITH_SSL */
+ readret = sys_read(fd, buf+nread, maxcnt-nread);
if (readret <= 0)
return readret;
return((ssize_t)nread);
}
-/****************************************************************************
-send a keepalive packet (rfc1002)
-****************************************************************************/
-
-BOOL send_keepalive(int client)
-{
- unsigned char buf[4];
-
- buf[0] = SMBkeepalive;
- buf[1] = buf[2] = buf[3] = 0;
-
- return(write_socket_data(client,(char *)buf,4) == 4);
-}
-
/****************************************************************************
read data from the client, reading exactly N bytes.
****************************************************************************/
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;
-
- 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);
- }
-#else /* WITH_SSL */
- ret = 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;
+ smb_read_error = 0;
+
+ while (total < N) {
+ ret = sys_read(fd,buffer + total,N - 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;
}
/****************************************************************************
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;
-
- 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);
- }
-#else /* WITH_SSL */
- ret = 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;
+ smb_read_error = 0;
+
+ while (total < N) {
+ ret = sys_read(fd,buffer + total,N - 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;
}
/****************************************************************************
ssize_t write_data(int fd,char *buffer,size_t N)
{
- size_t total=0;
- ssize_t ret;
-
- 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);
- }
-#else /* WITH_SSL */
- ret = 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;
+ size_t total=0;
+ ssize_t ret;
- total += ret;
- }
- return (ssize_t)total;
+ while (total < N) {
+ ret = sys_write(fd,buffer + total,N - 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;
}
/****************************************************************************
Write data to a socket - use send rather than write.
****************************************************************************/
-ssize_t write_socket_data(int fd,char *buffer,size_t N)
+static ssize_t write_socket_data(int fd,char *buffer,size_t N)
{
- size_t total=0;
- ssize_t ret;
-
- 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);
- }
-#else /* WITH_SSL */
- ret = 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;
+ size_t total=0;
+ ssize_t ret;
- total += ret;
- }
- return (ssize_t)total;
+ while (total < N) {
+ ret = sys_send(fd,buffer + total,N - total,0);
+
+ 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;
}
/****************************************************************************
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);
}
+/****************************************************************************
+send a keepalive packet (rfc1002)
+****************************************************************************/
+
+BOOL send_keepalive(int client)
+{
+ unsigned char buf[4];
+
+ buf[0] = SMBkeepalive;
+ buf[1] = buf[2] = buf[3] = 0;
+
+ return(write_socket_data(client,(char *)buf,4) == 4);
+}
+
+
/****************************************************************************
read 4 bytes of a smb packet and return the smb length of the packet
store the result in the buffer
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);
}
/****************************************************************************
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;
}
/****************************************************************************
len = read_smb_length_return_keepalive(fd,buffer,timeout);
if (len < 0) {
DEBUG(10,("receive_smb: length < 0!\n"));
- return(False);
+
+ /*
+ * Correct fix. smb_read_error may have already been
+ * set. Only set it here if not already set. Global
+ * variables still suck :-). JRA.
+ */
+
+ if (smb_read_error == 0)
+ smb_read_error = READ_ERROR;
+ return False;
}
/*
* A WRITEX with CAP_LARGE_WRITEX can be 64k worth of data plus 65 bytes
- * of header. Don't print the error if this fits.... JRA.
+ * of header. Don't print the error if this fits.... JRA.
*/
if (len > (BUFFER_SIZE + LARGE_WRITEX_HDR_SIZE)) {
DEBUG(0,("Invalid packet length! (%d bytes).\n",len));
if (len > BUFFER_SIZE + (SAFETY_MARGIN/2)) {
- smb_read_error = READ_ERROR;
+
+ /*
+ * Correct fix. smb_read_error may have already been
+ * set. Only set it here if not already set. Global
+ * variables still suck :-). JRA.
+ */
+
+ if (smb_read_error == 0)
+ smb_read_error = READ_ERROR;
return False;
}
}
if(len > 0) {
ret = read_socket_data(fd,buffer+4,len);
if (ret != len) {
- smb_read_error = READ_ERROR;
+ if (smb_read_error == 0)
+ smb_read_error = READ_ERROR;
return False;
}
}
return(True);
}
-/****************************************************************************
- read an smb from a fd ignoring all keepalive packets. Note that the buffer
- *MUST* be of size BUFFER_SIZE+SAFETY_MARGIN.
- The timeout is in milliseconds
-
- This is exactly the same as receive_smb except that it never returns
- a session keepalive packet (just as receive_smb used to do).
- receive_smb was changed to return keepalives as the oplock processing means this call
- should never go into a blocking read.
-****************************************************************************/
-
-BOOL client_receive_smb(int fd,char *buffer, unsigned int timeout)
-{
- BOOL ret;
-
- for(;;)
- {
- ret = receive_smb(fd, buffer, timeout);
-
- if (!ret)
- {
- DEBUG(10,("client_receive_smb failed\n"));
- show_msg(buffer);
- return ret;
- }
-
- /* Ignore session keepalive packets. */
- if(CVAL(buffer,0) != SMBkeepalive)
- break;
- }
- show_msg(buffer);
- return ret;
-}
-
/****************************************************************************
send an smb to a fd
****************************************************************************/
return True;
}
-/****************************************************************************
-send a single packet to a port on another machine
-****************************************************************************/
-
-BOOL send_one_packet(char *buf,int len,struct in_addr ip,int port,int type)
-{
- BOOL ret;
- int out_fd;
- struct sockaddr_in sock_out;
-
- /* create a socket to write to */
- out_fd = socket(AF_INET, type, 0);
- if (out_fd == -1)
- {
- DEBUG(0,("socket failed"));
- return False;
- }
-
- /* set the address and port */
- memset((char *)&sock_out,'\0',sizeof(sock_out));
- putip((char *)&sock_out.sin_addr,(char *)&ip);
- sock_out.sin_port = htons( port );
- sock_out.sin_family = AF_INET;
-
- if (DEBUGLEVEL > 0)
- DEBUG(3,("sending a packet of len %d to (%s) on port %d of type %s\n",
- len,inet_ntoa(ip),port,type==SOCK_DGRAM?"DGRAM":"STREAM"));
-
- /* send it */
- ret = (sendto(out_fd,buf,len,0,(struct sockaddr *)&sock_out,sizeof(sock_out)) >= 0);
-
- if (!ret)
- DEBUG(0,("Packet send to %s(%d) failed ERRNO=%s\n",
- inet_ntoa(ip),port,strerror(errno)));
-
- close(out_fd);
- return(ret);
-}
-
/****************************************************************************
Open a socket of the specified type, port, and address for incoming data.
****************************************************************************/
/* now we've got a socket - we need to bind it */
if( bind( res, (struct sockaddr *)&sock, sizeof(sock) ) == -1 ) {
- if( DEBUGLVL(dlevel) && (port == SMB_PORT || port == NMB_PORT) ) {
+ if( DEBUGLVL(dlevel) && (port == SMB_PORT1 || port == SMB_PORT2 || port == NMB_PORT) ) {
dbgtext( "bind failed on port %d ", port );
dbgtext( "socket_addr = %s.\n", inet_ntoa( sock.sin_addr ) );
dbgtext( "Error = %s\n", strerror(errno) );
return( -1 );
}
- DEBUG( 3, ( "bind succeeded on port %d\n", port ) );
+ DEBUG( 10, ( "bind succeeded on port %d\n", port ) );
return( res );
}
char *client_name(void)
{
- return get_socket_name(client_fd);
+ return get_socket_name(client_fd,False);
}
char *client_addr(void)
/* Look up the host address in the address list we just got. */
for (i = 0; hp->h_addr_list[i]; i++) {
- if (memcmp(hp->h_addr_list[i], (caddr_t) & addr, sizeof(addr)) == 0)
+ if (memcmp(hp->h_addr_list[i], (char *) & addr, sizeof(addr)) == 0)
return True;
}
/*******************************************************************
return the DNS name of the remote end of a socket
******************************************************************/
-char *get_socket_name(int fd)
+char *get_socket_name(int fd, BOOL force_lookup)
{
static pstring name_buf;
static fstring addr_buf;
situations won't work because many networks don't link dhcp
with dns. To avoid the delay we avoid the lookup if
possible */
- if (!lp_hostname_lookups()) {
+ if (!lp_hostname_lookups() && (force_lookup == False)) {
return get_socket_addr(fd);
}
return addr_buf;
}
-/*******************************************************************
- opens and connects to a unix pipe socket
- ******************************************************************/
-int open_pipe_sock(char *path)
-{
- int sock;
- struct sockaddr_un sa;
-
- sock = socket(AF_UNIX, SOCK_STREAM, 0);
-
- if (sock < 0)
- {
- DEBUG(0, ("unix socket open failed\n"));
- return sock;
- }
-
- ZERO_STRUCT(sa);
- sa.sun_family = AF_UNIX;
- safe_strcpy(sa.sun_path, path, sizeof(sa.sun_path)-1);
-
- DEBUG(10, ("socket open succeeded. file name: %s\n", sa.sun_path));
-
- if (connect(sock, (struct sockaddr*) &sa, sizeof(sa)) < 0)
- {
- DEBUG(0,("socket connect to %s failed\n", sa.sun_path));
- close(sock);
- return -1;
- }
-
- return sock;
-}
/*******************************************************************
Create protected unix domain socket.
permissions, instead.
******************************************************************/
int create_pipe_sock(const char *socket_dir,
- const char *socket_name,
- mode_t dir_perms)
+ const char *socket_name,
+ mode_t dir_perms)
{
+#ifdef HAVE_UNIXSOCKET
struct sockaddr_un sunaddr;
struct stat st;
int sock;
/* Success! */
return sock;
+#else
+ DEBUG(0, ("create_pipe_sock: No Unix sockets on this system\n"));
+ return -1;
+#endif /* HAVE_UNIXSOCKET */
}
/*******************************************************************
git.samba.org / ira / wip.git / blobdiff