diff options
Diffstat (limited to 'source3/nmbd/nmbd_incomingrequests.c')
| -rw-r--r-- | source3/nmbd/nmbd_incomingrequests.c | 606 |
1 files changed, 297 insertions, 309 deletions
diff --git a/source3/nmbd/nmbd_incomingrequests.c b/source3/nmbd/nmbd_incomingrequests.c index a3faf5e104..dd999fbdf7 100644 --- a/source3/nmbd/nmbd_incomingrequests.c +++ b/source3/nmbd/nmbd_incomingrequests.c @@ -3,7 +3,7 @@ NBT netbios routines and daemon - version 2 Copyright (C) Andrew Tridgell 1994-1998 Copyright (C) Luke Kenneth Casson Leighton 1994-1998 - Copyright (C) Jeremy Allison 1994-1998 + Copyright (C) Jeremy Allison 1994-2003 This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -33,18 +33,18 @@ Send a name release response. static void send_name_release_response(int rcode, struct packet_struct *p) { - struct nmb_packet *nmb = &p->packet.nmb; - char rdata[6]; + struct nmb_packet *nmb = &p->packet.nmb; + char rdata[6]; - memcpy(&rdata[0], &nmb->additional->rdata[0], 6); + memcpy(&rdata[0], &nmb->additional->rdata[0], 6); - reply_netbios_packet(p, /* Packet to reply to. */ - rcode, /* Result code. */ - NMB_REL, /* nmbd type code. */ - NMB_NAME_RELEASE_OPCODE, /* opcode. */ - 0, /* ttl. */ - rdata, /* data to send. */ - 6); /* data length. */ + reply_netbios_packet(p, /* Packet to reply to. */ + rcode, /* Result code. */ + NMB_REL, /* nmbd type code. */ + NMB_NAME_RELEASE_OPCODE, /* opcode. */ + 0, /* ttl. */ + rdata, /* data to send. */ + 6); /* data length. */ } /**************************************************************************** @@ -55,76 +55,74 @@ Ignore it if it's not one of our names. void process_name_release_request(struct subnet_record *subrec, struct packet_struct *p) { - struct nmb_packet *nmb = &p->packet.nmb; - struct in_addr owner_ip; - struct nmb_name *question = &nmb->question.question_name; - BOOL bcast = nmb->header.nm_flags.bcast; - uint16 nb_flags = get_nb_flags(nmb->additional->rdata); - BOOL group = (nb_flags & NB_GROUP) ? True : False; - struct name_record *namerec; - int rcode = 0; + struct nmb_packet *nmb = &p->packet.nmb; + struct in_addr owner_ip; + struct nmb_name *question = &nmb->question.question_name; + nstring qname; + BOOL bcast = nmb->header.nm_flags.bcast; + uint16 nb_flags = get_nb_flags(nmb->additional->rdata); + BOOL group = (nb_flags & NB_GROUP) ? True : False; + struct name_record *namerec; + int rcode = 0; - putip((char *)&owner_ip,&nmb->additional->rdata[2]); + putip((char *)&owner_ip,&nmb->additional->rdata[2]); - if(!bcast) - { - /* We should only get broadcast name release packets here. - Anyone trying to release unicast should be going to a WINS - server. If the code gets here, then either we are not a wins - server and they sent it anyway, or we are a WINS server and - the request was malformed. Either way, log an error here. - and send an error reply back. - */ - DEBUG(0,("process_name_release_request: unicast name release request \ + if(!bcast) { + /* We should only get broadcast name release packets here. + Anyone trying to release unicast should be going to a WINS + server. If the code gets here, then either we are not a wins + server and they sent it anyway, or we are a WINS server and + the request was malformed. Either way, log an error here. + and send an error reply back. + */ + DEBUG(0,("process_name_release_request: unicast name release request \ received for name %s from IP %s on subnet %s. Error - should be sent to WINS server\n", - nmb_namestr(question), inet_ntoa(owner_ip), subrec->subnet_name)); + nmb_namestr(question), inet_ntoa(owner_ip), subrec->subnet_name)); - send_name_release_response(FMT_ERR, p); - return; - } + send_name_release_response(FMT_ERR, p); + return; + } - DEBUG(3,("process_name_release_request: Name release on name %s, \ + DEBUG(3,("process_name_release_request: Name release on name %s, \ subnet %s from owner IP %s\n", - nmb_namestr(&nmb->question.question_name), - subrec->subnet_name, inet_ntoa(owner_ip))); + nmb_namestr(&nmb->question.question_name), + subrec->subnet_name, inet_ntoa(owner_ip))); - /* If someone is releasing a broadcast group name, just ignore it. */ - if( group && !ismyip(owner_ip) ) - return; - - /* - * Code to work around a bug in FTP OnNet software NBT implementation. - * They do a broadcast name release for WORKGROUP<0> and WORKGROUP<1e> - * names and *don't set the group bit* !!!!! - */ - - if( !group && !ismyip(owner_ip) && strequal(question->name, lp_workgroup()) && - ((question->name_type == 0x0) || (question->name_type == 0x1e))) - { - DEBUG(6,("process_name_release_request: FTP OnNet bug workaround. Ignoring \ + /* If someone is releasing a broadcast group name, just ignore it. */ + if( group && !ismyip(owner_ip) ) + return; + + /* + * Code to work around a bug in FTP OnNet software NBT implementation. + * They do a broadcast name release for WORKGROUP<0> and WORKGROUP<1e> + * names and *don't set the group bit* !!!!! + */ + + pull_ascii_nstring(qname, question->name); + if( !group && !ismyip(owner_ip) && strequal(qname, lp_workgroup()) && + ((question->name_type == 0x0) || (question->name_type == 0x1e))) { + DEBUG(6,("process_name_release_request: FTP OnNet bug workaround. Ignoring \ group release name %s from IP %s on subnet %s with no group bit set.\n", - nmb_namestr(question), inet_ntoa(owner_ip), subrec->subnet_name )); - return; - } - - namerec = find_name_on_subnet(subrec, &nmb->question.question_name, FIND_ANY_NAME); - - /* We only care about someone trying to release one of our names. */ - if( namerec - && ( (namerec->data.source == SELF_NAME) - || (namerec->data.source == PERMANENT_NAME) ) ) - { - rcode = ACT_ERR; - DEBUG(0, ("process_name_release_request: Attempt to release name %s from IP %s \ + nmb_namestr(question), inet_ntoa(owner_ip), subrec->subnet_name )); + return; + } + + namerec = find_name_on_subnet(subrec, question, FIND_ANY_NAME); + + /* We only care about someone trying to release one of our names. */ + if( namerec && ( (namerec->data.source == SELF_NAME) + || (namerec->data.source == PERMANENT_NAME) ) ) { + rcode = ACT_ERR; + DEBUG(0, ("process_name_release_request: Attempt to release name %s from IP %s \ on subnet %s being rejected as it is one of our names.\n", - nmb_namestr(&nmb->question.question_name), inet_ntoa(owner_ip), subrec->subnet_name)); - } + nmb_namestr(&nmb->question.question_name), inet_ntoa(owner_ip), subrec->subnet_name)); + } - if(rcode == 0) - return; + if(rcode == 0) + return; - /* Send a NAME RELEASE RESPONSE (pos/neg) see rfc1002.txt 4.2.10-11 */ - send_name_release_response(rcode, p); + /* Send a NAME RELEASE RESPONSE (pos/neg) see rfc1002.txt 4.2.10-11 */ + send_name_release_response(rcode, p); } /**************************************************************************** @@ -133,18 +131,18 @@ Send a name registration response. static void send_name_registration_response(int rcode, int ttl, struct packet_struct *p) { - struct nmb_packet *nmb = &p->packet.nmb; - char rdata[6]; + struct nmb_packet *nmb = &p->packet.nmb; + char rdata[6]; - memcpy(&rdata[0], &nmb->additional->rdata[0], 6); + memcpy(&rdata[0], &nmb->additional->rdata[0], 6); - reply_netbios_packet(p, /* Packet to reply to. */ - rcode, /* Result code. */ - NMB_REG, /* nmbd type code. */ - NMB_NAME_REG_OPCODE, /* opcode. */ - ttl, /* ttl. */ - rdata, /* data to send. */ - 6); /* data length. */ + reply_netbios_packet(p, /* Packet to reply to. */ + rcode, /* Result code. */ + NMB_REG, /* nmbd type code. */ + NMB_NAME_REG_OPCODE, /* opcode. */ + ttl, /* ttl. */ + rdata, /* data to send. */ + 6); /* data length. */ } /**************************************************************************** @@ -154,38 +152,34 @@ Process a name refresh request on a broadcast subnet. void process_name_refresh_request(struct subnet_record *subrec, struct packet_struct *p) { - - struct nmb_packet *nmb = &p->packet.nmb; - struct nmb_name *question = &nmb->question.question_name; - BOOL bcast = nmb->header.nm_flags.bcast; - struct in_addr from_ip; + struct nmb_packet *nmb = &p->packet.nmb; + struct nmb_name *question = &nmb->question.question_name; + BOOL bcast = nmb->header.nm_flags.bcast; + struct in_addr from_ip; - putip((char *)&from_ip,&nmb->additional->rdata[2]); - - if(!bcast) - { - /* We should only get broadcast name refresh packets here. - Anyone trying to refresh unicast should be going to a WINS - server. If the code gets here, then either we are not a wins - server and they sent it anyway, or we are a WINS server and - the request was malformed. Either way, log an error here. - and send an error reply back. - */ - DEBUG(0,("process_name_refresh_request: unicast name registration request \ + putip((char *)&from_ip,&nmb->additional->rdata[2]); + + if(!bcast) { + /* We should only get broadcast name refresh packets here. + Anyone trying to refresh unicast should be going to a WINS + server. If the code gets here, then either we are not a wins + server and they sent it anyway, or we are a WINS server and + the request was malformed. Either way, log an error here. + and send an error reply back. + */ + DEBUG(0,("process_name_refresh_request: unicast name registration request \ received for name %s from IP %s on subnet %s.\n", - nmb_namestr(question), inet_ntoa(from_ip), subrec->subnet_name)); - DEBUG(0,("Error - should be sent to WINS server\n")); + nmb_namestr(question), inet_ntoa(from_ip), subrec->subnet_name)); + DEBUG(0,("Error - should be sent to WINS server\n")); - send_name_registration_response(FMT_ERR, 0, p); - return; - } + send_name_registration_response(FMT_ERR, 0, p); + return; + } - /* Just log a message. We really don't care about broadcast name - refreshes. */ + /* Just log a message. We really don't care about broadcast name refreshes. */ - DEBUG(3,("process_name_refresh_request: Name refresh for name %s \ + DEBUG(3,("process_name_refresh_request: Name refresh for name %s \ IP %s on subnet %s\n", nmb_namestr(question), inet_ntoa(from_ip), subrec->subnet_name)); - } /**************************************************************************** @@ -195,92 +189,83 @@ Process a name registration request on a broadcast subnet. void process_name_registration_request(struct subnet_record *subrec, struct packet_struct *p) { - struct nmb_packet *nmb = &p->packet.nmb; - struct nmb_name *question = &nmb->question.question_name; - BOOL bcast = nmb->header.nm_flags.bcast; - uint16 nb_flags = get_nb_flags(nmb->additional->rdata); - BOOL group = (nb_flags & NB_GROUP) ? True : False; - struct name_record *namerec = NULL; - int ttl = nmb->additional->ttl; - struct in_addr from_ip; + struct nmb_packet *nmb = &p->packet.nmb; + struct nmb_name *question = &nmb->question.question_name; + BOOL bcast = nmb->header.nm_flags.bcast; + uint16 nb_flags = get_nb_flags(nmb->additional->rdata); + BOOL group = (nb_flags & NB_GROUP) ? True : False; + struct name_record *namerec = NULL; + int ttl = nmb->additional->ttl; + struct in_addr from_ip; - putip((char *)&from_ip,&nmb->additional->rdata[2]); + putip((char *)&from_ip,&nmb->additional->rdata[2]); - if(!bcast) - { - /* We should only get broadcast name registration packets here. - Anyone trying to register unicast should be going to a WINS - server. If the code gets here, then either we are not a wins - server and they sent it anyway, or we are a WINS server and - the request was malformed. Either way, log an error here. - and send an error reply back. - */ - DEBUG(0,("process_name_registration_request: unicast name registration request \ + if(!bcast) { + /* We should only get broadcast name registration packets here. + Anyone trying to register unicast should be going to a WINS + server. If the code gets here, then either we are not a wins + server and they sent it anyway, or we are a WINS server and + the request was malformed. Either way, log an error here. + and send an error reply back. + */ + DEBUG(0,("process_name_registration_request: unicast name registration request \ received for name %s from IP %s on subnet %s. Error - should be sent to WINS server\n", - nmb_namestr(question), inet_ntoa(from_ip), subrec->subnet_name)); + nmb_namestr(question), inet_ntoa(from_ip), subrec->subnet_name)); - send_name_registration_response(FMT_ERR, 0, p); - return; - } + send_name_registration_response(FMT_ERR, 0, p); + return; + } - DEBUG(3,("process_name_registration_request: Name registration for name %s \ + DEBUG(3,("process_name_registration_request: Name registration for name %s \ IP %s on subnet %s\n", nmb_namestr(question), inet_ntoa(from_ip), subrec->subnet_name)); - /* See if the name already exists. */ - namerec = find_name_on_subnet(subrec, question, FIND_ANY_NAME); + /* See if the name already exists. */ + namerec = find_name_on_subnet(subrec, question, FIND_ANY_NAME); - /* - * If the name being registered exists and is a WINS_PROXY_NAME - * then delete the WINS proxy name entry so we don't reply erroneously - * later to queries. - */ - - if((namerec != NULL) && (namerec->data.source == WINS_PROXY_NAME)) - { - remove_name_from_namelist( subrec, namerec ); - namerec = NULL; - } - - if (!group) - { - /* Unique name. */ - - if( (namerec != NULL) - && ( (namerec->data.source == SELF_NAME) - || (namerec->data.source == PERMANENT_NAME) - || NAME_GROUP(namerec) ) ) - { - /* No-one can register one of Samba's names, nor can they - register a name that's a group name as a unique name */ - - send_name_registration_response(ACT_ERR, 0, p); - return; - } - else if(namerec != NULL) - { - /* Update the namelist record with the new information. */ - namerec->data.ip[0] = from_ip; - update_name_ttl(namerec, ttl); - - DEBUG(3,("process_name_registration_request: Updated name record %s \ + /* + * If the name being registered exists and is a WINS_PROXY_NAME + * then delete the WINS proxy name entry so we don't reply erroneously + * later to queries. + */ + + if((namerec != NULL) && (namerec->data.source == WINS_PROXY_NAME)) { + remove_name_from_namelist( subrec, namerec ); + namerec = NULL; + } + + if (!group) { + /* Unique name. */ + + if( (namerec != NULL) + && ( (namerec->data.source == SELF_NAME) + || (namerec->data.source == PERMANENT_NAME) + || NAME_GROUP(namerec) ) ) { + /* No-one can register one of Samba's names, nor can they + register a name that's a group name as a unique name */ + + send_name_registration_response(ACT_ERR, 0, p); + return; + } else if(namerec != NULL) { + /* Update the namelist record with the new information. */ + namerec->data.ip[0] = from_ip; + update_name_ttl(namerec, ttl); + + DEBUG(3,("process_name_registration_request: Updated name record %s \ with IP %s on subnet %s\n",nmb_namestr(&namerec->name),inet_ntoa(from_ip), subrec->subnet_name)); - return; - } - } - else - { - /* Group name. */ - - if( (namerec != NULL) - && !NAME_GROUP(namerec) - && ( (namerec->data.source == SELF_NAME) - || (namerec->data.source == PERMANENT_NAME) ) ) - { - /* Disallow group names when we have a unique name. */ - send_name_registration_response(ACT_ERR, 0, p); - return; - } - } + return; + } + } else { + /* Group name. */ + + if( (namerec != NULL) + && !NAME_GROUP(namerec) + && ( (namerec->data.source == SELF_NAME) + || (namerec->data.source == PERMANENT_NAME) ) ) { + /* Disallow group names when we have a unique name. */ + send_name_registration_response(ACT_ERR, 0, p); + return; + } + } } /**************************************************************************** @@ -290,147 +275,150 @@ We put our own names first, then in alphabetical order. static int status_compare(char *n1,char *n2) { - int l1,l2,l3; - - /* It's a bit tricky because the names are space padded */ - for (l1=0;l1<15 && n1[l1] && n1[l1] != ' ';l1++) ; - for (l2=0;l2<15 && n2[l2] && n2[l2] != ' ';l2++) ; - l3 = strlen(global_myname()); - - if ((l1==l3) && strncmp(n1,global_myname(),l3) == 0 && - (l2!=l3 || strncmp(n2,global_myname(),l3) != 0)) - return -1; - - if ((l2==l3) && strncmp(n2,global_myname(),l3) == 0 && - (l1!=l3 || strncmp(n1,global_myname(),l3) != 0)) - return 1; - - return memcmp(n1,n2,18); + nstring name1, name2; + int l1,l2,l3; + + pull_ascii_nstring(name1, n1); + pull_ascii_nstring(name2, n2); + n1 = name1; + n2 = name2; + + /* It's a bit tricky because the names are space padded */ + for (l1=0;l1<15 && n1[l1] && n1[l1] != ' ';l1++) + ; + for (l2=0;l2<15 && n2[l2] && n2[l2] != ' ';l2++) + ; + l3 = strlen(global_myname()); + + if ((l1==l3) && strncmp(n1,global_myname(),l3) == 0 && + (l2!=l3 || strncmp(n2,global_myname(),l3) != 0)) + return -1; + + if ((l2==l3) && strncmp(n2,global_myname(),l3) == 0 && + (l1!=l3 || strncmp(n1,global_myname(),l3) != 0)) + return 1; + + return memcmp(n1,n2,sizeof(nstring)); } - /**************************************************************************** Process a node status query ****************************************************************************/ void process_node_status_request(struct subnet_record *subrec, struct packet_struct *p) { - struct nmb_packet *nmb = &p->packet.nmb; - char *qname = nmb->question.question_name.name; - int ques_type = nmb->question.question_name.name_type; - char rdata[MAX_DGRAM_SIZE]; - char *countptr, *buf, *bufend, *buf0; - int names_added,i; - struct name_record *namerec; - - DEBUG(3,("process_node_status_request: status request for name %s from IP %s on \ -subnet %s.\n", nmb_namestr(&nmb->question.question_name), inet_ntoa(p->ip), - subrec->subnet_name)); - - if((namerec = find_name_on_subnet(subrec, &nmb->question.question_name, - FIND_SELF_NAME)) == 0) - { - DEBUG(1,("process_node_status_request: status request for name %s from IP %s on \ + struct nmb_packet *nmb = &p->packet.nmb; + nstring qname; + int ques_type = nmb->question.question_name.name_type; + char rdata[MAX_DGRAM_SIZE]; + char *countptr, *buf, *bufend, *buf0; + int names_added,i; + struct name_record *namerec; + + pull_ascii_nstring(qname, nmb->question.question_name.name); + + DEBUG(3,("process_node_status_request: status request for name %s from IP %s on \ +subnet %s.\n", nmb_namestr(&nmb->question.question_name), inet_ntoa(p->ip), subrec->subnet_name)); + + if((namerec = find_name_on_subnet(subrec, &nmb->question.question_name, FIND_SELF_NAME)) == 0) { + DEBUG(1,("process_node_status_request: status request for name %s from IP %s on \ subnet %s - name not found.\n", nmb_namestr(&nmb->question.question_name), - inet_ntoa(p->ip), subrec->subnet_name)); + inet_ntoa(p->ip), subrec->subnet_name)); - return; - } + return; + } - /* this is not an exact calculation. the 46 is for the stats buffer - and the 60 is to leave room for the header etc */ - bufend = &rdata[MAX_DGRAM_SIZE] - (18 + 46 + 60); - countptr = buf = rdata; - buf += 1; - buf0 = buf; - - names_added = 0; - - namerec = (struct name_record *)ubi_trFirst( subrec->namelist ); - - while (buf < bufend) - { - if( (namerec->data.source == SELF_NAME) - || (namerec->data.source == PERMANENT_NAME) ) - { - int name_type = namerec->name.name_type; - - if (!strequal(namerec->name.name,"*") && - !strequal(namerec->name.name,"__SAMBA__") && - (name_type < 0x1b || name_type >= 0x20 || - ques_type < 0x1b || ques_type >= 0x20 || - strequal(qname, namerec->name.name))) - { - /* Start with the name. */ - memset(buf,'\0',18); - slprintf(buf, 17, "%-15.15s",namerec->name.name); - strupper_m(buf); - - /* Put the name type and netbios flags in the buffer. */ - buf[15] = name_type; - set_nb_flags( &buf[16],namerec->data.nb_flags ); - buf[16] |= NB_ACTIVE; /* all our names are active */ - - buf += 18; - - names_added++; - } - } - - /* Remove duplicate names. */ - if (names_added > 1) { - qsort( buf0, names_added, 18, QSORT_CAST status_compare ); - } - - for( i=1; i < names_added ; i++ ) - { - if (memcmp(buf0 + 18*i,buf0 + 18*(i-1),16) == 0) - { - names_added--; - if (names_added == i) - break; - memmove(buf0 + 18*i,buf0 + 18*(i+1),18*(names_added-i)); - i--; - } - } - - buf = buf0 + 18*names_added; - - namerec = (struct name_record *)ubi_trNext( namerec ); - - if (!namerec) - { - /* End of the subnet specific name list. Now - add the names on the unicast subnet . */ - struct subnet_record *uni_subrec = unicast_subnet; - - if (uni_subrec != subrec) - { - subrec = uni_subrec; - namerec = (struct name_record *)ubi_trFirst( subrec->namelist ); - } - } - if (!namerec) - break; - - } + /* this is not an exact calculation. the 46 is for the stats buffer + and the 60 is to leave room for the header etc */ + bufend = &rdata[MAX_DGRAM_SIZE] - (18 + 46 + 60); + countptr = buf = rdata; + buf += 1; + buf0 = buf; + + names_added = 0; + + namerec = (struct name_record *)ubi_trFirst( subrec->namelist ); + + while (buf < bufend) { + if( (namerec->data.source == SELF_NAME) || (namerec->data.source == PERMANENT_NAME) ) { + int name_type = namerec->name.name_type; + nstring name; + + pull_ascii_nstring(name, namerec->name.name); + strupper_m(name); + if (!strequal(name,"*") && + !strequal(name,"__SAMBA__") && + (name_type < 0x1b || name_type >= 0x20 || + ques_type < 0x1b || ques_type >= 0x20 || + strequal(qname, name))) { + /* Start with the name. */ + nstring tmp_name; + memset(tmp_name,'\0',sizeof(tmp_name)); + snprintf(tmp_name, sizeof(tmp_name), "%-15.15s",name); + push_ascii_nstring(buf, tmp_name); + + /* Put the name type and netbios flags in the buffer. */ + + buf[15] = name_type; + set_nb_flags( &buf[16],namerec->data.nb_flags ); + buf[16] |= NB_ACTIVE; /* all our names are active */ + + buf += 18; + + names_added++; + } + } + + /* Remove duplicate names. */ + if (names_added > 1) { + qsort( buf0, names_added, 18, QSORT_CAST status_compare ); + } + + for( i=1; i < names_added ; i++ ) { + if (memcmp(buf0 + 18*i,buf0 + 18*(i-1),16) == 0) { + names_added--; + if (names_added == i) + break; + memmove(buf0 + 18*i,buf0 + 18*(i+1),18*(names_added-i)); + i--; + } + } + + buf = buf0 + 18*names_added; + + namerec = (struct name_record *)ubi_trNext( namerec ); + + if (!namerec) { + /* End of the subnet specific name list. Now + add the names on the unicast subnet . */ + struct subnet_record *uni_subrec = unicast_subnet; + + if (uni_subrec != subrec) { + subrec = uni_subrec; + namerec = (struct name_record *)ubi_trFirst( subrec->namelist ); + } + } + if (!namerec) + break; + + } - SCVAL(countptr,0,names_added); + SCVAL(countptr,0,names_added); - /* We don't send any stats as they could be used to attack - the protocol. */ - memset(buf,'\0',46); + /* We don't send any stats as they could be used to attack + the protocol. */ + memset(buf,'\0',46); - buf += 46; + buf += 46; - /* Send a NODE STATUS RESPONSE */ - reply_netbios_packet(p, /* Packet to reply to. */ - 0, /* Result code. */ - NMB_STATUS, /* nmbd type code. */ - NMB_NAME_QUERY_OPCODE, /* opcode. */ - 0, /* ttl. */ - rdata, /* data to send. */ - PTR_DIFF(buf,rdata)); /* data length. */ + /* Send a NODE STATUS RESPONSE */ + reply_netbios_packet(p, /* Packet to reply to. */ + 0, /* Result code. */ + NMB_STATUS, /* nmbd type code. */ + NMB_NAME_QUERY_OPCODE, /* opcode. */ + 0, /* ttl. */ + rdata, /* data to send. */ + PTR_DIFF(buf,rdata)); /* data length. */ } |