The Samba-Bugzilla – Attachment 5297 Details for
Bug 7118
nmbd problems with socket address
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[patch]
Patch for v3-5
tmp.diff (text/plain), 22.44 KB, created by
Stefan Metzmacher
on 2010-02-08 12:21:04 UTC
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Description:
Patch for v3-5
Filename:
MIME Type:
Creator:
Stefan Metzmacher
Created:
2010-02-08 12:21:04 UTC
Size:
22.44 KB
patch
obsolete
>From 3a617ed27180a8f7096f4ebba6d830b92dff002b Mon Sep 17 00:00:00 2001 >From: Stefan Metzmacher <metze@samba.org> >Date: Thu, 28 Jan 2010 11:04:05 +0100 >Subject: [PATCH 1/3] s3:nmbd: also listen explicit on the subnet broadcast addresses > >And send replies always via the unicast address of the subnet. > >This behavior is off by default (as before) >and can be enabled with "nmbd:bind explicit broadcast = yes". > >metze >(cherry picked from commit 30a1bc365071befd07e68e24ca4fa3843159ab13) >--- > source3/include/nameserv.h | 5 +- > source3/libsmb/namequery.c | 6 +- > source3/libsmb/nmblib.c | 9 ++- > source3/nmbd/nmbd.c | 5 +- > source3/nmbd/nmbd_packets.c | 189 ++++++++++++++++++++++++++++-------------- > source3/nmbd/nmbd_subnetdb.c | 123 ++++++++++++++++++---------- > 6 files changed, 222 insertions(+), 115 deletions(-) > >diff --git a/source3/include/nameserv.h b/source3/include/nameserv.h >index 496d87e..53ffd6f 100644 >--- a/source3/include/nameserv.h >+++ b/source3/include/nameserv.h >@@ -434,7 +434,9 @@ struct subnet_record { > struct in_addr mask_ip; > struct in_addr myip; > int nmb_sock; /* socket to listen for unicast 137. */ >+ int nmb_bcast; /* socket to listen for broadcast 137. */ > int dgram_sock; /* socket to listen for unicast 138. */ >+ int dgram_bcast; /* socket to listen for broadcast 138. */ > }; > > /* A resource record. */ >@@ -530,7 +532,8 @@ struct packet_struct > bool locked; > struct in_addr ip; > int port; >- int fd; >+ int recv_fd; >+ int send_fd; > time_t timestamp; > enum packet_type packet_type; > union { >diff --git a/source3/libsmb/namequery.c b/source3/libsmb/namequery.c >index 930f0a5..858330d 100644 >--- a/source3/libsmb/namequery.c >+++ b/source3/libsmb/namequery.c >@@ -289,7 +289,8 @@ NODE_STATUS_STRUCT *node_status_query(int fd, > > p.ip = ((const struct sockaddr_in *)to_ss)->sin_addr; > p.port = NMB_PORT; >- p.fd = fd; >+ p.recv_fd = -1; >+ p.send_fd = fd; > p.timestamp = time(NULL); > p.packet_type = NMB_PACKET; > >@@ -698,7 +699,8 @@ struct sockaddr_storage *name_query(int fd, > > p.ip = ((struct sockaddr_in *)to_ss)->sin_addr; > p.port = NMB_PORT; >- p.fd = fd; >+ p.recv_fd = -1; >+ p.send_fd = fd; > p.timestamp = time(NULL); > p.packet_type = NMB_PACKET; > >diff --git a/source3/libsmb/nmblib.c b/source3/libsmb/nmblib.c >index 5f3eda4..1a21066 100644 >--- a/source3/libsmb/nmblib.c >+++ b/source3/libsmb/nmblib.c >@@ -601,6 +601,8 @@ static struct packet_struct *copy_nmb_packet(struct packet_struct *packet) > > /* Ensure this copy is not locked. */ > pkt_copy->locked = False; >+ pkt_copy->recv_fd = -1; >+ pkt_copy->send_fd = -1; > > /* Ensure this copy has no resource records. */ > nmb = &packet->packet.nmb; >@@ -666,6 +668,8 @@ static struct packet_struct *copy_dgram_packet(struct packet_struct *packet) > > /* Ensure this copy is not locked. */ > pkt_copy->locked = False; >+ pkt_copy->recv_fd = -1; >+ pkt_copy->send_fd = -1; > > /* There are no additional pointers in a dgram packet, > we are finished. */ >@@ -791,7 +795,8 @@ struct packet_struct *read_packet(int fd,enum packet_type packet_type) > if (!packet) > return NULL; > >- packet->fd = fd; >+ packet->recv_fd = fd; >+ packet->send_fd = -1; > > DEBUG(5,("Received a packet of len %d from (%s) port %d\n", > length, inet_ntoa(packet->ip), packet->port ) ); >@@ -1075,7 +1080,7 @@ bool send_packet(struct packet_struct *p) > if (!len) > return(False); > >- return(send_udp(p->fd,buf,len,p->ip,p->port)); >+ return(send_udp(p->send_fd,buf,len,p->ip,p->port)); > } > > /**************************************************************************** >diff --git a/source3/nmbd/nmbd.c b/source3/nmbd/nmbd.c >index 961e930..3b51a78 100644 >--- a/source3/nmbd/nmbd.c >+++ b/source3/nmbd/nmbd.c >@@ -443,13 +443,14 @@ static void msg_nmbd_send_packet(struct messaging_context *msg, > local_ip = &((const struct sockaddr_in *)pss)->sin_addr; > subrec = FIRST_SUBNET; > >- p->fd = (p->packet_type == NMB_PACKET) ? >+ p->recv_fd = -1; >+ p->send_fd = (p->packet_type == NMB_PACKET) ? > subrec->nmb_sock : subrec->dgram_sock; > > for (subrec = FIRST_SUBNET; subrec != NULL; > subrec = NEXT_SUBNET_EXCLUDING_UNICAST(subrec)) { > if (ip_equal_v4(*local_ip, subrec->myip)) { >- p->fd = (p->packet_type == NMB_PACKET) ? >+ p->send_fd = (p->packet_type == NMB_PACKET) ? > subrec->nmb_sock : subrec->dgram_sock; > break; > } >diff --git a/source3/nmbd/nmbd_packets.c b/source3/nmbd/nmbd_packets.c >index 6136c6d..013ebf6 100644 >--- a/source3/nmbd/nmbd_packets.c >+++ b/source3/nmbd/nmbd_packets.c >@@ -207,7 +207,8 @@ static struct packet_struct *create_and_init_netbios_packet(struct nmb_name *nmb > > packet->ip = to_ip; > packet->port = NMB_PORT; >- packet->fd = ClientNMB; >+ packet->recv_fd = -1; >+ packet->send_fd = ClientNMB; > packet->timestamp = time(NULL); > packet->packet_type = NMB_PACKET; > packet->locked = False; >@@ -258,7 +259,8 @@ static bool create_and_init_additional_record(struct packet_struct *packet, > our standard refresh cycle for that name which copes nicely > with disconnected networks. > */ >- packet->fd = find_subnet_fd_for_address(*register_ip); >+ packet->recv_fd = -1; >+ packet->send_fd = find_subnet_fd_for_address(*register_ip); > > return True; > } >@@ -743,7 +745,7 @@ struct response_record *queue_query_name( struct subnet_record *subrec, > } > > DEBUG(10,("queue_query_name: using source IP %s\n",inet_ntoa(*ifip))); >- p->fd = find_subnet_fd_for_address( *ifip ); >+ p->send_fd = find_subnet_fd_for_address( *ifip ); > break; > } > } >@@ -979,9 +981,14 @@ for id %hu\n", packet_type, nmb_namestr(&orig_nmb->question.question_name), > } > > packet.packet_type = NMB_PACKET; >+ packet.recv_fd = -1; > /* Ensure we send out on the same fd that the original > packet came in on to give the correct source IP address. */ >- packet.fd = orig_packet->fd; >+ if (orig_packet->send_fd != -1) { >+ packet.send_fd = orig_packet->send_fd; >+ } else { >+ packet.send_fd = orig_packet->recv_fd; >+ } > packet.timestamp = time(NULL); > > debug_nmb_packet(&packet); >@@ -1679,50 +1686,74 @@ static bool create_listen_fdset(fd_set **ppset, int **psock_array, int *listen_n > return True; > } > >+ /* The Client* sockets */ >+ count++; >+ > /* Check that we can add all the fd's we need. */ > for (subrec = FIRST_SUBNET; subrec; subrec = NEXT_SUBNET_EXCLUDING_UNICAST(subrec)) > count++; > >- if((count*2) + 2 > FD_SETSIZE) { >+ /* each interface gets 4 sockets */ >+ count *= 4; >+ >+ if(count > FD_SETSIZE) { > DEBUG(0,("create_listen_fdset: Too many file descriptors needed (%d). We can \ >-only use %d.\n", (count*2) + 2, FD_SETSIZE)); >+only use %d.\n", count, FD_SETSIZE)); > SAFE_FREE(pset); > return True; > } > >- if((sock_array = SMB_MALLOC_ARRAY(int, (count*2) + 2)) == NULL) { >- DEBUG(0,("create_listen_fdset: malloc fail for socket array.\n")); >+ if((sock_array = SMB_MALLOC_ARRAY(int, count)) == NULL) { >+ DEBUG(0,("create_listen_fdset: malloc fail for socket array. size %d\n", count)); > SAFE_FREE(pset); > return True; > } > > FD_ZERO(pset); > >- /* Add in the broadcast socket on 137. */ >+ /* Add in the lp_socket_address() interface on 137. */ > FD_SET(ClientNMB,pset); > sock_array[num++] = ClientNMB; > *maxfd = MAX( *maxfd, ClientNMB); > >+ /* the lp_socket_address() interface has only one socket */ >+ sock_array[num++] = -1; >+ > /* Add in the 137 sockets on all the interfaces. */ > for (subrec = FIRST_SUBNET; subrec; subrec = NEXT_SUBNET_EXCLUDING_UNICAST(subrec)) { > FD_SET(subrec->nmb_sock,pset); > sock_array[num++] = subrec->nmb_sock; > *maxfd = MAX( *maxfd, subrec->nmb_sock); >+ >+ sock_array[num++] = subrec->nmb_bcast; >+ if (subrec->nmb_bcast != -1) { >+ FD_SET(subrec->nmb_bcast,pset); >+ *maxfd = MAX( *maxfd, subrec->nmb_bcast); >+ } > } > >- /* Add in the broadcast socket on 138. */ >+ /* Add in the lp_socket_address() interface on 138. */ > FD_SET(ClientDGRAM,pset); > sock_array[num++] = ClientDGRAM; > *maxfd = MAX( *maxfd, ClientDGRAM); > >+ /* the lp_socket_address() interface has only one socket */ >+ sock_array[num++] = -1; >+ > /* Add in the 138 sockets on all the interfaces. */ > for (subrec = FIRST_SUBNET; subrec; subrec = NEXT_SUBNET_EXCLUDING_UNICAST(subrec)) { > FD_SET(subrec->dgram_sock,pset); > sock_array[num++] = subrec->dgram_sock; > *maxfd = MAX( *maxfd, subrec->dgram_sock); >+ >+ sock_array[num++] = subrec->dgram_bcast; >+ if (subrec->dgram_bcast != -1) { >+ FD_SET(subrec->dgram_bcast,pset); >+ *maxfd = MAX( *maxfd, subrec->dgram_bcast); >+ } > } > >- *listen_number = (count*2) + 2; >+ *listen_number = count; > > SAFE_FREE(*ppset); > SAFE_FREE(*psock_array); >@@ -1811,61 +1842,90 @@ bool listen_for_packets(bool run_election) > #endif > > for(i = 0; i < listen_number; i++) { >+ enum packet_type packet_type; >+ struct packet_struct *packet; >+ const char *packet_name; >+ int client_fd; >+ int client_port; >+ >+ if (sock_array[i] == -1) { >+ continue; >+ } >+ >+ if (!FD_ISSET(sock_array[i],&r_fds)) { >+ continue; >+ } >+ > if (i < (listen_number/2)) { >- /* Processing a 137 socket. */ >- if (FD_ISSET(sock_array[i],&r_fds)) { >- struct packet_struct *packet = read_packet(sock_array[i], NMB_PACKET); >- if (packet) { >- /* >- * If we got a packet on the broadcast socket and interfaces >- * only is set then check it came from one of our local nets. >- */ >- if(lp_bind_interfaces_only() && (sock_array[i] == ClientNMB) && >- (!is_local_net_v4(packet->ip))) { >- DEBUG(7,("discarding nmb packet sent to broadcast socket from %s:%d\n", >- inet_ntoa(packet->ip),packet->port)); >- free_packet(packet); >- } else if ((is_loopback_ip_v4(packet->ip) || >- ismyip_v4(packet->ip)) && packet->port == global_nmb_port && >- packet->packet.nmb.header.nm_flags.bcast) { >- DEBUG(7,("discarding own bcast packet from %s:%d\n", >- inet_ntoa(packet->ip),packet->port)); >- free_packet(packet); >- } else { >- /* Save the file descriptor this packet came in on. */ >- packet->fd = sock_array[i]; >- queue_packet(packet); >- } >- } >- } >+ /* Port 137 */ >+ packet_type = NMB_PACKET; >+ packet_name = "nmb"; >+ client_fd = ClientNMB; >+ client_port = global_nmb_port; > } else { >- /* Processing a 138 socket. */ >- if (FD_ISSET(sock_array[i],&r_fds)) { >- struct packet_struct *packet = read_packet(sock_array[i], DGRAM_PACKET); >- if (packet) { >- /* >- * If we got a packet on the broadcast socket and interfaces >- * only is set then check it came from one of our local nets. >- */ >- if(lp_bind_interfaces_only() && (sock_array[i] == ClientDGRAM) && >- (!is_local_net_v4(packet->ip))) { >- DEBUG(7,("discarding dgram packet sent to broadcast socket from %s:%d\n", >- inet_ntoa(packet->ip),packet->port)); >- free_packet(packet); >- } else if ((is_loopback_ip_v4(packet->ip) || >- ismyip_v4(packet->ip)) && packet->port == DGRAM_PORT) { >- DEBUG(7,("discarding own dgram packet from %s:%d\n", >- inet_ntoa(packet->ip),packet->port)); >- free_packet(packet); >- } else { >- /* Save the file descriptor this packet came in on. */ >- packet->fd = sock_array[i]; >- queue_packet(packet); >- } >- } >+ /* Port 137 */ >+ packet_type = DGRAM_PACKET; >+ packet_name = "dgram"; >+ client_fd = ClientDGRAM; >+ client_port = DGRAM_PORT; >+ } >+ >+ packet = read_packet(sock_array[i], packet_type); >+ if (!packet) { >+ continue; >+ } >+ >+ /* >+ * If we got a packet on the broadcast socket and interfaces >+ * only is set then check it came from one of our local nets. >+ */ >+ if (lp_bind_interfaces_only() && >+ (sock_array[i] == client_fd) && >+ (!is_local_net_v4(packet->ip))) { >+ DEBUG(7,("discarding %s packet sent to broadcast socket from %s:%d\n", >+ packet_name, inet_ntoa(packet->ip), packet->port)); >+ free_packet(packet); >+ continue; >+ } >+ >+ if ((is_loopback_ip_v4(packet->ip) || ismyip_v4(packet->ip)) && >+ packet->port == client_port) >+ { >+ if (client_port == DGRAM_PORT) { >+ DEBUG(7,("discarding own dgram packet from %s:%d\n", >+ inet_ntoa(packet->ip),packet->port)); >+ free_packet(packet); >+ continue; > } >- } /* end processing 138 socket. */ >- } /* end for */ >+ >+ if (packet->packet.nmb.header.nm_flags.bcast) { >+ DEBUG(7,("discarding own nmb bcast packet from %s:%d\n", >+ inet_ntoa(packet->ip),packet->port)); >+ free_packet(packet); >+ continue; >+ } >+ } >+ >+ /* >+ * 0,2,4,... are unicast sockets >+ * 1,3,5,... are broadcast sockets >+ * >+ * on broadcast socket we only receive packets >+ * and send replies via the unicast socket. >+ * >+ * 0,1 and 2,3 and ... belong together. >+ */ >+ if ((i % 2) != 0) { >+ /* this is a broadcast socket */ >+ packet->send_fd = sock_array[i-1]; >+ } else { >+ /* this is already a unicast socket */ >+ packet->send_fd = sock_array[i]; >+ } >+ >+ queue_packet(packet); >+ } >+ > return False; > } > >@@ -1946,7 +2006,8 @@ bool send_mailslot(bool unique, const char *mailslot,char *buf, size_t len, > > p.ip = dest_ip; > p.port = dest_port; >- p.fd = find_subnet_mailslot_fd_for_address( src_ip ); >+ p.recv_fd = -1; >+ p.send_fd = find_subnet_mailslot_fd_for_address( src_ip ); > p.timestamp = time(NULL); > p.packet_type = DGRAM_PACKET; > >diff --git a/source3/nmbd/nmbd_subnetdb.c b/source3/nmbd/nmbd_subnetdb.c >index 13bc931..96d7b32 100644 >--- a/source3/nmbd/nmbd_subnetdb.c >+++ b/source3/nmbd/nmbd_subnetdb.c >@@ -76,18 +76,21 @@ static struct subnet_record *make_subnet(const char *name, enum subnet_type type > struct in_addr mask_ip) > { > struct subnet_record *subrec = NULL; >- int nmb_sock, dgram_sock; >+ int nmb_sock = -1; >+ int dgram_sock = -1; >+ int nmb_bcast = -1; >+ int dgram_bcast = -1; >+ bool bind_bcast = lp_parm_bool(-1, "nmbd", "bind explicit broadcast", false); > > /* Check if we are creating a non broadcast subnet - if so don't create > sockets. */ > >- if(type != NORMAL_SUBNET) { >- nmb_sock = -1; >- dgram_sock = -1; >- } else { >+ if (type == NORMAL_SUBNET) { > struct sockaddr_storage ss; >+ struct sockaddr_storage ss_bcast; > > in_addr_to_sockaddr_storage(&ss, myip); >+ in_addr_to_sockaddr_storage(&ss_bcast, bcast_ip); > > /* > * Attempt to open the sockets on port 137/138 for this interface >@@ -95,60 +98,74 @@ static struct subnet_record *make_subnet(const char *name, enum subnet_type type > * Fail the subnet creation if this fails. > */ > >- if((nmb_sock = open_socket_in(SOCK_DGRAM, global_nmb_port,0, &ss,true)) == -1) { >- if( DEBUGLVL( 0 ) ) { >- Debug1( "nmbd_subnetdb:make_subnet()\n" ); >- Debug1( " Failed to open nmb socket on interface %s ", inet_ntoa(myip) ); >- Debug1( "for port %d. ", global_nmb_port ); >- Debug1( "Error was %s\n", strerror(errno) ); >+ nmb_sock = open_socket_in(SOCK_DGRAM, global_nmb_port, >+ 0, &ss, true); >+ if (nmb_sock == -1) { >+ DEBUG(0, ("nmbd_subnetdb:make_subnet()\n")); >+ DEBUGADD(0,(" Failed to open nmb socket on interface %s ", >+ inet_ntoa(myip))); >+ DEBUGADD(0,("for port %d. ", global_nmb_port)); >+ DEBUGADD(0,("Error was %s\n", strerror(errno))); >+ goto failed; >+ } >+ set_socket_options(nmb_sock,"SO_BROADCAST"); >+ set_blocking(nmb_sock, false); >+ >+ if (bind_bcast) { >+ nmb_bcast = open_socket_in(SOCK_DGRAM, global_nmb_port, >+ 0, &ss_bcast, true); >+ if (nmb_bcast == -1) { >+ DEBUG(0, ("nmbd_subnetdb:make_subnet()\n")); >+ DEBUGADD(0,(" Failed to open nmb bcast socket on interface %s ", >+ inet_ntoa(bcast_ip))); >+ DEBUGADD(0,("for port %d. ", global_nmb_port)); >+ DEBUGADD(0,("Error was %s\n", strerror(errno))); >+ goto failed; > } >- return NULL; >+ set_socket_options(nmb_bcast, "SO_BROADCAST"); >+ set_blocking(nmb_bcast, false); > } > >- if((dgram_sock = open_socket_in(SOCK_DGRAM,DGRAM_PORT,3, &ss, true)) == -1) { >- if( DEBUGLVL( 0 ) ) { >- Debug1( "nmbd_subnetdb:make_subnet()\n" ); >- Debug1( " Failed to open dgram socket on interface %s ", inet_ntoa(myip) ); >- Debug1( "for port %d. ", DGRAM_PORT ); >- Debug1( "Error was %s\n", strerror(errno) ); >+ dgram_sock = open_socket_in(SOCK_DGRAM, DGRAM_PORT, >+ 3, &ss, true); >+ if (dgram_sock == -1) { >+ DEBUG(0, ("nmbd_subnetdb:make_subnet()\n")); >+ DEBUGADD(0,(" Failed to open dgram socket on interface %s ", >+ inet_ntoa(myip))); >+ DEBUGADD(0,("for port %d. ", DGRAM_PORT)); >+ DEBUGADD(0,("Error was %s\n", strerror(errno))); >+ goto failed; >+ } >+ set_socket_options(dgram_sock, "SO_BROADCAST"); >+ set_blocking(dgram_sock, false); >+ >+ if (bind_bcast) { >+ dgram_bcast = open_socket_in(SOCK_DGRAM, DGRAM_PORT, >+ 3, &ss_bcast, true); >+ if (dgram_bcast == -1) { >+ DEBUG(0, ("nmbd_subnetdb:make_subnet()\n")); >+ DEBUGADD(0,(" Failed to open dgram bcast socket on interface %s ", >+ inet_ntoa(bcast_ip))); >+ DEBUGADD(0,("for port %d. ", DGRAM_PORT)); >+ DEBUGADD(0,("Error was %s\n", strerror(errno))); >+ goto failed; > } >- return NULL; >+ set_socket_options(dgram_bcast, "SO_BROADCAST"); >+ set_blocking(dgram_bcast, false); > } >- >- /* Make sure we can broadcast from these sockets. */ >- set_socket_options(nmb_sock,"SO_BROADCAST"); >- set_socket_options(dgram_sock,"SO_BROADCAST"); >- >- /* Set them non-blocking. */ >- set_blocking(nmb_sock, False); >- set_blocking(dgram_sock, False); > } > > subrec = SMB_MALLOC_P(struct subnet_record); > if (!subrec) { > DEBUG(0,("make_subnet: malloc fail !\n")); >- if (nmb_sock != -1) { >- close(nmb_sock); >- } >- if (dgram_sock != -1) { >- close(dgram_sock); >- } >- return(NULL); >+ goto failed; > } > > ZERO_STRUCTP(subrec); > > if((subrec->subnet_name = SMB_STRDUP(name)) == NULL) { > DEBUG(0,("make_subnet: malloc fail for subnet name !\n")); >- if (nmb_sock != -1) { >- close(nmb_sock); >- } >- if (dgram_sock != -1) { >- close(dgram_sock); >- } >- ZERO_STRUCTP(subrec); >- SAFE_FREE(subrec); >- return(NULL); >+ goto failed; > } > > DEBUG(2, ("making subnet name:%s ", name )); >@@ -163,9 +180,27 @@ static struct subnet_record *make_subnet(const char *name, enum subnet_type type > subrec->myip = myip; > subrec->type = type; > subrec->nmb_sock = nmb_sock; >+ subrec->nmb_bcast = nmb_bcast; > subrec->dgram_sock = dgram_sock; >- >+ subrec->dgram_bcast = dgram_bcast; >+ > return subrec; >+ >+failed: >+ SAFE_FREE(subrec); >+ if (nmb_sock != -1) { >+ close(nmb_sock); >+ } >+ if (nmb_bcast != -1) { >+ close(nmb_bcast); >+ } >+ if (dgram_sock != -1) { >+ close(dgram_sock); >+ } >+ if (dgram_bcast != -1) { >+ close(dgram_bcast); >+ } >+ return NULL; > } > > /**************************************************************************** >-- >1.6.3.3 > > >From 38d080d2f82a2cbe912496a4d04f1b80fc49484c Mon Sep 17 00:00:00 2001 >From: Stefan Metzmacher <metze@samba.org> >Date: Mon, 8 Feb 2010 12:51:29 +0100 >Subject: [PATCH 2/3] s3:nmbd: change "nmbd:bind explicit broadcast" into "nmbd bind explicit broadcast" > >metze >(cherry picked from commit 0140bc389d56511c3255720856bdb64803ba8930) >--- > source3/include/proto.h | 1 + > source3/nmbd/nmbd_subnetdb.c | 2 +- > source3/param/loadparm.c | 11 +++++++++++ > 3 files changed, 13 insertions(+), 1 deletions(-) > >diff --git a/source3/include/proto.h b/source3/include/proto.h >index 37e6eb9..6d16dc2 100644 >--- a/source3/include/proto.h >+++ b/source3/include/proto.h >@@ -3947,6 +3947,7 @@ const char *lp_logon_drive(void); > const char *lp_logon_home(void); > char *lp_remote_announce(void); > char *lp_remote_browse_sync(void); >+bool lp_nmbd_bind_explicit_broadcast(void); > const char **lp_wins_server_list(void); > const char **lp_interfaces(void); > const char *lp_socket_address(void); >diff --git a/source3/nmbd/nmbd_subnetdb.c b/source3/nmbd/nmbd_subnetdb.c >index 96d7b32..703e229 100644 >--- a/source3/nmbd/nmbd_subnetdb.c >+++ b/source3/nmbd/nmbd_subnetdb.c >@@ -80,7 +80,7 @@ static struct subnet_record *make_subnet(const char *name, enum subnet_type type > int dgram_sock = -1; > int nmb_bcast = -1; > int dgram_bcast = -1; >- bool bind_bcast = lp_parm_bool(-1, "nmbd", "bind explicit broadcast", false); >+ bool bind_bcast = lp_nmbd_bind_explicit_broadcast(); > > /* Check if we are creating a non broadcast subnet - if so don't create > sockets. */ >diff --git a/source3/param/loadparm.c b/source3/param/loadparm.c >index b5c76e2..55c2cb2 100644 >--- a/source3/param/loadparm.c >+++ b/source3/param/loadparm.c >@@ -160,6 +160,7 @@ struct global { > char *szRemoteAnnounce; > char *szRemoteBrowseSync; > char *szSocketAddress; >+ bool bNmbdBindExplicitBroadcast; > char *szNISHomeMapName; > char *szAnnounceVersion; /* This is initialised in init_globals */ > char *szWorkgroup; >@@ -3991,6 +3992,15 @@ static struct parm_struct parm_table[] = { > .flags = FLAG_ADVANCED, > }, > { >+ .label = "nmbd bind explicit broadcast", >+ .type = P_BOOL, >+ .p_class = P_GLOBAL, >+ .ptr = &Globals.bNmbdBindExplicitBroadcast, >+ .special = NULL, >+ .enum_list = NULL, >+ .flags = FLAG_ADVANCED, >+ }, >+ { > .label = "homedir map", > .type = P_STRING, > .p_class = P_GLOBAL, >@@ -5347,6 +5357,7 @@ FN_GLOBAL_CONST_STRING(lp_logon_drive, &Globals.szLogonDrive) > FN_GLOBAL_CONST_STRING(lp_logon_home, &Globals.szLogonHome) > FN_GLOBAL_STRING(lp_remote_announce, &Globals.szRemoteAnnounce) > FN_GLOBAL_STRING(lp_remote_browse_sync, &Globals.szRemoteBrowseSync) >+FN_GLOBAL_BOOL(lp_nmbd_bind_explicit_broadcast, &Globals.bNmbdBindExplicitBroadcast) > FN_GLOBAL_LIST(lp_wins_server_list, &Globals.szWINSservers) > FN_GLOBAL_LIST(lp_interfaces, &Globals.szInterfaces) > FN_GLOBAL_STRING(lp_nis_home_map_name, &Globals.szNISHomeMapName) >-- >1.6.3.3 > > >From fc48c793f216fe88bd094b526d25c2f4fef4ed02 Mon Sep 17 00:00:00 2001 >From: Stefan Metzmacher <metze@samba.org> >Date: Mon, 8 Feb 2010 12:59:13 +0100 >Subject: [PATCH 3/3] s3:docs-xml: document "nmbd bind explicit broadcast" > >metze >(cherry picked from commit 9887751f6fa6f7e4fd5c79c637e0576405000c01) >--- > .../smbdotconf/misc/nmbdbindexplicitbroadcast.xml | 16 ++++++++++++++++ > 1 files changed, 16 insertions(+), 0 deletions(-) > create mode 100644 docs-xml/smbdotconf/misc/nmbdbindexplicitbroadcast.xml > >diff --git a/docs-xml/smbdotconf/misc/nmbdbindexplicitbroadcast.xml b/docs-xml/smbdotconf/misc/nmbdbindexplicitbroadcast.xml >new file mode 100644 >index 0000000..f328594 >--- /dev/null >+++ b/docs-xml/smbdotconf/misc/nmbdbindexplicitbroadcast.xml >@@ -0,0 +1,16 @@ >+<samba:parameter name="nmbd bind explicit broadcast" >+ context="G" >+ advanced="1" developer="1" >+ type="boolean" >+ xmlns:samba="http://www.samba.org/samba/DTD/samba-doc"> >+<description> >+ <para> >+ This option allows you to setup <citerefentry><refentrytitle>nmbd</refentrytitle> >+ <manvolnum>8</manvolnum></citerefentry> to explicit bind to the >+ broadcast address of the local subnets. This is only useful in >+ combination with the <smbconfoption name="socket address"/> option. >+ </para> >+</description> >+ >+<value type="default">no</value> >+</samba:parameter> >-- >1.6.3.3 >
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