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
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
Converted to store WINS data in a tdb. Dec 2005. JRA.
*/
namerec->data.refresh_time = (time_t)refresh_time;
namerec->data.id = id_low;
#if defined(HAVE_LONGLONG)
- namerec->data.id |= ((SMB_BIG_UINT)id_high << 32);
+ namerec->data.id |= ((uint64_t)id_high << 32);
#endif
namerec->data.wins_ip.s_addr = saddr;
namerec->data.wins_flags = wins_flags,
on the linked list. We will free this later in XXXX().
*****************************************************************************/
-struct name_record *find_name_on_wins_subnet(const struct nmb_name *nmbname, BOOL self_only)
+struct name_record *find_name_on_wins_subnet(const struct nmb_name *nmbname, bool self_only)
{
TDB_DATA data, key;
struct name_record *nr = NULL;
Overwrite or add a given name in the wins.tdb.
*****************************************************************************/
-static BOOL store_or_replace_wins_namerec(const struct name_record *namerec, int tdb_flag)
+static bool store_or_replace_wins_namerec(const struct name_record *namerec, int tdb_flag)
{
TDB_DATA key, data;
int ret;
Overwrite a given name in the wins.tdb.
*****************************************************************************/
-BOOL wins_store_changed_namerec(const struct name_record *namerec)
+bool wins_store_changed_namerec(const struct name_record *namerec)
{
return store_or_replace_wins_namerec(namerec, TDB_REPLACE);
}
Primary interface into creating and overwriting records in the wins.tdb.
*****************************************************************************/
-BOOL add_name_to_wins_subnet(const struct name_record *namerec)
+bool add_name_to_wins_subnet(const struct name_record *namerec)
{
return store_or_replace_wins_namerec(namerec, TDB_INSERT);
}
on the linked list.
*****************************************************************************/
-BOOL remove_name_from_wins_namelist(struct name_record *namerec)
+bool remove_name_from_wins_namelist(struct name_record *namerec)
{
TDB_DATA key;
int ret;
Return the general ID value and increase it if requested.
*****************************************************************************/
-static void get_global_id_and_update(SMB_BIG_UINT *current_id, BOOL update)
+static void get_global_id_and_update(uint64_t *current_id, bool update)
{
/*
* it's kept as a static here, to prevent people from messing
* with the value directly
*/
- static SMB_BIG_UINT general_id = 1;
+ static uint64_t general_id = 1;
DEBUG(5,("get_global_id_and_update: updating version ID: %d\n", (int)general_id));
static void wins_hook(const char *operation, struct name_record *namerec, int ttl)
{
- pstring command;
+ char *command = NULL;
char *cmd = lp_wins_hook();
char *p, *namestr;
int i;
+ TALLOC_CTX *ctx = talloc_tos();
wins_store_changed_namerec(namerec);
*p = 0;
}
- p = command;
- p += slprintf(p, sizeof(command)-1, "%s %s %s %02x %d",
- cmd,
- operation,
- namestr,
- namerec->name.name_type,
- ttl);
+ command = talloc_asprintf(ctx,
+ "%s %s %s %02x %d",
+ cmd,
+ operation,
+ namestr,
+ namerec->name.name_type,
+ ttl);
+ if (!command) {
+ return;
+ }
for (i=0;i<namerec->data.num_ips;i++) {
- p += slprintf(p, sizeof(command) - (p-command) -1, " %s", inet_ntoa(namerec->data.ip[i]));
+ command = talloc_asprintf_append(command,
+ " %s",
+ inet_ntoa(namerec->data.ip[i]));
+ if (!command) {
+ return;
+ }
}
DEBUG(3,("calling wins hook for %s\n", nmb_namestr(&namerec->name)));
smbrun(command, NULL);
+ TALLOC_FREE(command);
}
/****************************************************************************
Determine if this packet should be allocated to the WINS server.
*****************************************************************************/
-BOOL packet_is_for_wins_server(struct packet_struct *packet)
+bool packet_is_for_wins_server(struct packet_struct *packet)
{
struct nmb_packet *nmb = &packet->packet.nmb;
Load or create the WINS database.
*****************************************************************************/
-BOOL initialise_wins(void)
+bool initialise_wins(void)
{
time_t time_now = time(NULL);
XFILE *fp;
- pstring line;
+ char line[1024];
if(!lp_we_are_a_wins_server()) {
return True;
add_samba_names_to_subnet(wins_server_subnet);
- if((fp = x_fopen(lock_path(WINS_LIST),O_RDONLY,0)) == NULL) {
+ if((fp = x_fopen(state_path(WINS_LIST),O_RDONLY,0)) == NULL) {
DEBUG(2,("initialise_wins: Can't open wins database file %s. Error was %s\n",
WINS_LIST, strerror(errno) ));
return True;
}
while (!x_feof(fp)) {
- pstring name_str, ip_str, ttl_str, nb_flags_str;
+ char *name_str = NULL;
+ char *ip_str = NULL;
+ char *ttl_str = NULL, *nb_flags_str = NULL;
unsigned int num_ips;
- pstring name;
- struct in_addr *ip_list;
+ char *name = NULL;
+ struct in_addr *ip_list = NULL;
int type = 0;
int nb_flags;
int ttl;
const char *ptr;
- char *p;
- BOOL got_token;
- BOOL was_ip;
+ char *p = NULL;
+ bool got_token;
+ bool was_ip;
int i;
unsigned int hash;
int version;
+ TALLOC_CTX *frame = NULL;
/* Read a line from the wins.dat file. Strips whitespace
from the beginning and end of the line. */
- if (!fgets_slash(line,sizeof(pstring),fp))
+ if (!fgets_slash(line,sizeof(line),fp)) {
continue;
-
- if (*line == '#')
+ }
+
+ if (*line == '#') {
continue;
+ }
if (strncmp(line,"VERSION ", 8) == 0) {
if (sscanf(line,"VERSION %d %u", &version, &hash) != 2 ||
ptr = line;
- /*
+ /*
* Now we handle multiple IP addresses per name we need
* to iterate over the line twice. The first time to
* determine how many IP addresses there are, the second
* time to actually parse them into the ip_list array.
*/
- if (!next_token(&ptr,name_str,NULL,sizeof(name_str))) {
+ frame = talloc_stackframe();
+ if (!next_token_talloc(frame,&ptr,&name_str,NULL)) {
DEBUG(0,("initialise_wins: Failed to parse name when parsing line %s\n", line ));
+ TALLOC_FREE(frame);
continue;
}
- if (!next_token(&ptr,ttl_str,NULL,sizeof(ttl_str))) {
+ if (!next_token_talloc(frame,&ptr,&ttl_str,NULL)) {
DEBUG(0,("initialise_wins: Failed to parse time to live when parsing line %s\n", line ));
+ TALLOC_FREE(frame);
continue;
}
*/
num_ips = 0;
do {
- got_token = next_token(&ptr,ip_str,NULL,sizeof(ip_str));
+ got_token = next_token_talloc(frame,&ptr,&ip_str,NULL);
was_ip = False;
if(got_token && strchr(ip_str, '.')) {
num_ips++;
was_ip = True;
}
- } while( got_token && was_ip);
+ } while(got_token && was_ip);
if(num_ips == 0) {
DEBUG(0,("initialise_wins: Missing IP address when parsing line %s\n", line ));
+ TALLOC_FREE(frame);
continue;
}
if(!got_token) {
DEBUG(0,("initialise_wins: Missing nb_flags when parsing line %s\n", line ));
+ TALLOC_FREE(frame);
continue;
}
if((ip_list = SMB_MALLOC_ARRAY( struct in_addr, num_ips)) == NULL) {
DEBUG(0,("initialise_wins: Malloc fail !\n"));
x_fclose(fp);
+ TALLOC_FREE(frame);
return False;
}
-
+
/* Reset and re-parse the line. */
ptr = line;
- next_token(&ptr,name_str,NULL,sizeof(name_str));
- next_token(&ptr,ttl_str,NULL,sizeof(ttl_str));
+ next_token_talloc(frame,&ptr,&name_str,NULL);
+ next_token_talloc(frame,&ptr,&ttl_str,NULL);
for(i = 0; i < num_ips; i++) {
- next_token(&ptr, ip_str, NULL, sizeof(ip_str));
- ip_list[i] = *interpret_addr2(ip_str);
+ next_token_talloc(frame,&ptr, &ip_str, NULL);
+ ip_list[i] = interpret_addr2(ip_str);
}
- next_token(&ptr,nb_flags_str,NULL, sizeof(nb_flags_str));
+ next_token_talloc(frame,&ptr,&nb_flags_str,NULL);
- /*
+ /*
* Deal with SELF or REGISTER name encoding. Default is REGISTER
* for compatibility with old nmbds.
*/
if(nb_flags_str[strlen(nb_flags_str)-1] == 'S') {
DEBUG(5,("initialise_wins: Ignoring SELF name %s\n", line));
SAFE_FREE(ip_list);
+ TALLOC_FREE(frame);
continue;
}
-
+
if(nb_flags_str[strlen(nb_flags_str)-1] == 'R') {
nb_flags_str[strlen(nb_flags_str)-1] = '\0';
}
-
+
/* Netbios name. # divides the name from the type (hex): netbios#xx */
- pstrcpy(name,name_str);
-
+ name = name_str;
+
if((p = strchr(name,'#')) != NULL) {
*p = 0;
sscanf(p+1,"%x",&type);
}
-
+
/* Decode the netbios flags (hex) and the time-to-live (in seconds). */
sscanf(nb_flags_str,"%x",&nb_flags);
sscanf(ttl_str,"%d",&ttl);
if(ttl != PERMANENT_TTL) {
ttl -= time_now;
}
-
+
DEBUG( 4, ("initialise_wins: add name: %s#%02x ttl = %d first IP %s flags = %2x\n",
name, type, ttl, inet_ntoa(ip_list[0]), nb_flags));
name, type, ttl, inet_ntoa(ip_list[0]), nb_flags));
}
+ TALLOC_FREE(frame);
SAFE_FREE(ip_list);
- }
-
+ }
+
x_fclose(fp);
return True;
}
{
struct nmb_packet *nmb = &p->packet.nmb;
struct nmb_name *question = &nmb->question.question_name;
- BOOL bcast = nmb->header.nm_flags.bcast;
+ bool bcast = nmb->header.nm_flags.bcast;
uint16 nb_flags = get_nb_flags(nmb->additional->rdata);
- BOOL group = (nb_flags & NB_GROUP) ? True : False;
+ bool group = (nb_flags & NB_GROUP) ? True : False;
struct name_record *namerec = NULL;
int ttl = get_ttl_from_packet(nmb);
struct in_addr from_ip;
- struct in_addr our_fake_ip = *interpret_addr2("0.0.0.0");
+ struct in_addr our_fake_ip;
+ our_fake_ip = interpret_addr2("0.0.0.0");
putip( (char *)&from_ip, &nmb->additional->rdata[2] );
if(bcast) {
* if the record is a replica:
* we take ownership and update the version ID.
*/
- if (!ip_equal(namerec->data.wins_ip, our_fake_ip)) {
+ if (!ip_equal_v4(namerec->data.wins_ip, our_fake_ip)) {
update_wins_owner(namerec, our_fake_ip);
get_global_id_and_update(&namerec->data.id, True);
}
namerec = find_name_on_subnet(subrec, question_name, FIND_ANY_NAME);
if ((namerec != NULL) && (namerec->data.source == REGISTER_NAME) &&
- ip_equal(rrec->packet->ip, *namerec->data.ip)) {
+ ip_equal_v4(rrec->packet->ip, *namerec->data.ip)) {
remove_name_from_namelist( subrec, namerec);
namerec = NULL;
}
unstring name;
struct nmb_packet *nmb = &p->packet.nmb;
struct nmb_name *question = &nmb->question.question_name;
- BOOL bcast = nmb->header.nm_flags.bcast;
+ bool bcast = nmb->header.nm_flags.bcast;
uint16 nb_flags = get_nb_flags(nmb->additional->rdata);
int ttl = get_ttl_from_packet(nmb);
struct name_record *namerec = NULL;
struct in_addr from_ip;
- BOOL registering_group_name = (nb_flags & NB_GROUP) ? True : False;
- struct in_addr our_fake_ip = *interpret_addr2("0.0.0.0");
+ bool registering_group_name = (nb_flags & NB_GROUP) ? True : False;
+ struct in_addr our_fake_ip;
+ our_fake_ip = interpret_addr2("0.0.0.0");
putip((char *)&from_ip,&nmb->additional->rdata[2]);
if(bcast) {
*/
if(registering_group_name && (question->name_type != 0x1c)) {
- from_ip = *interpret_addr2("255.255.255.255");
+ from_ip = interpret_addr2("255.255.255.255");
}
/*
if ( namerec != NULL ) {
pull_ascii_nstring(name, sizeof(name), namerec->name.name);
if( is_myname(name) ) {
- if(!ismyip(from_ip)) {
+ if(!ismyip_v4(from_ip)) {
DEBUG(3,("wins_process_name_registration_request: Attempt to register name %s. Name \
is one of our (WINS server) names. Denying registration.\n", nmb_namestr(question) ));
send_wins_name_registration_response(RFS_ERR, 0, p);
if( !registering_group_name
&& (namerec != NULL)
&& (namerec->data.num_ips == 1)
- && ip_equal( namerec->data.ip[0], from_ip )
- && ip_equal(namerec->data.wins_ip, our_fake_ip) ) {
+ && ip_equal_v4( namerec->data.ip[0], from_ip )
+ && ip_equal_v4(namerec->data.wins_ip, our_fake_ip) ) {
update_name_ttl( namerec, ttl );
wins_hook("refresh", namerec, ttl);
send_wins_name_registration_response( 0, ttl, p );
struct name_record *namerec = NULL;
struct in_addr from_ip;
int ttl;
- struct in_addr our_fake_ip = *interpret_addr2("0.0.0.0");
+ struct in_addr our_fake_ip;
+ our_fake_ip = interpret_addr2("0.0.0.0");
memcpy((char *)&orig_reg_packet, userdata->data, sizeof(struct packet_struct *));
nmb = &orig_reg_packet->packet.nmb;
{
struct nmb_packet *nmb = &p->packet.nmb;
struct nmb_name *question = &nmb->question.question_name;
- BOOL bcast = nmb->header.nm_flags.bcast;
+ bool bcast = nmb->header.nm_flags.bcast;
uint16 nb_flags = get_nb_flags(nmb->additional->rdata);
int ttl = get_ttl_from_packet(nmb);
struct name_record *namerec = NULL;
struct in_addr from_ip;
- BOOL group = (nb_flags & NB_GROUP) ? True : False;
- struct in_addr our_fake_ip = *interpret_addr2("0.0.0.0");
+ bool group = (nb_flags & NB_GROUP) ? True : False;
+ struct in_addr our_fake_ip;
unstring qname;
+ our_fake_ip = interpret_addr2("0.0.0.0");
putip((char *)&from_ip,&nmb->additional->rdata[2]);
if(bcast) {
*/
if((namerec != NULL) && (is_myname(namerec->name.name)) ) {
- if(!ismyip(from_ip)) {
+ if(!ismyip_v4(from_ip)) {
DEBUG(3,("wins_process_multihomed_name_registration_request: Attempt to register name %s. Name \
is one of our (WINS server) names. Denying registration.\n", nmb_namestr(question) ));
send_wins_name_registration_response(RFS_ERR, 0, p);
* If it's a replica, we need to become the wins owner
* to force the replication
*/
- if (!ip_equal(namerec->data.wins_ip, our_fake_ip)) {
+ if (!ip_equal_v4(namerec->data.wins_ip, our_fake_ip)) {
get_global_id_and_update(&namerec->data.id, True);
update_wins_owner(namerec, our_fake_ip);
update_wins_flag(namerec, WINS_ACTIVE);
{
struct nmb_packet *nmb = &p->packet.nmb;
struct nmb_name *question = &nmb->question.question_name;
- BOOL bcast = nmb->header.nm_flags.bcast;
+ bool bcast = nmb->header.nm_flags.bcast;
uint16 nb_flags = get_nb_flags(nmb->additional->rdata);
struct name_record *namerec = NULL;
struct in_addr from_ip;
- BOOL releasing_group_name = (nb_flags & NB_GROUP) ? True : False;;
+ bool releasing_group_name = (nb_flags & NB_GROUP) ? True : False;;
putip((char *)&from_ip,&nmb->additional->rdata[2]);
static int wins_processing_traverse_fn(TDB_CONTEXT *tdb, TDB_DATA kbuf, TDB_DATA dbuf, void *state)
{
time_t t = *(time_t *)state;
- BOOL store_record = False;
+ bool store_record = False;
struct name_record *namerec = NULL;
- struct in_addr our_fake_ip = *interpret_addr2("0.0.0.0");
+ struct in_addr our_fake_ip;
+ our_fake_ip = interpret_addr2("0.0.0.0");
if (kbuf.dsize != sizeof(unstring) + 1) {
return 0;
}
}
/* handle records, samba is the wins owner */
- if (ip_equal(namerec->data.wins_ip, our_fake_ip)) {
+ if (ip_equal_v4(namerec->data.wins_ip, our_fake_ip)) {
switch (namerec->data.wins_flags & WINS_STATE_MASK) {
case WINS_ACTIVE:
namerec->data.wins_flags&=~WINS_STATE_MASK;
}
-void wins_write_database(time_t t, BOOL background)
+void wins_write_database(time_t t, bool background)
{
static time_t last_write_time = 0;
- pstring fname, fnamenew;
+ char *fname = NULL;
+ char *fnamenew = NULL;
XFILE *fp;
-
+
if (background) {
if (!last_write_time) {
last_write_time = t;
}
}
- slprintf(fname,sizeof(fname)-1,"%s/%s", lp_lockdir(), WINS_LIST);
+ if (!(fname = state_path(WINS_LIST))) {
+ goto err_exit;
+ }
+ /* This is safe as the 0 length means "don't expand". */
all_string_sub(fname,"//", "/", 0);
- slprintf(fnamenew,sizeof(fnamenew)-1,"%s.%u", fname, (unsigned int)sys_getpid());
+
+ if (asprintf(&fnamenew, "%s.%u", fname, (unsigned int)sys_getpid()) < 0) {
+ goto err_exit;
+ }
if((fp = x_fopen(fnamenew,O_WRONLY|O_CREAT,0644)) == NULL) {
DEBUG(0,("wins_write_database: Can't open %s. Error was %s\n", fnamenew, strerror(errno)));
- if (background) {
- _exit(0);
- }
- return;
+ goto err_exit;
}
DEBUG(4,("wins_write_database: Dump of WINS name list.\n"));
x_fprintf(fp,"VERSION %d %u\n", WINS_VERSION, 0);
-
+
tdb_traverse(wins_tdb, wins_writedb_traverse_fn, fp);
x_fclose(fp);
chmod(fnamenew,0644);
unlink(fname);
rename(fnamenew,fname);
+
+ err_exit:
+
+ SAFE_FREE(fnamenew);
+ /* fname is talloced and doesn't need to be freed */
+
if (background) {
_exit(0);
}
struct name_record *namerec = NULL;
struct name_record *new_namerec = NULL;
struct nmb_name question;
- BOOL overwrite=False;
- struct in_addr our_fake_ip = *interpret_addr2("0.0.0.0");
+ bool overwrite=False;
+ struct in_addr our_fake_ip;
int i;
+ our_fake_ip = interpret_addr2("0.0.0.0");
if (buf==NULL) {
return;
}
if (namerec->data.wins_flags&WINS_UNIQUE && record->wins_flags&WINS_UNIQUE) {
/* the database record is a replica */
- if (!ip_equal(namerec->data.wins_ip, our_fake_ip)) {
+ if (!ip_equal_v4(namerec->data.wins_ip, our_fake_ip)) {
if (namerec->data.wins_flags&WINS_ACTIVE && record->wins_flags&WINS_TOMBSTONED) {
- if (ip_equal(namerec->data.wins_ip, record->wins_ip))
+ if (ip_equal_v4(namerec->data.wins_ip, record->wins_ip))
overwrite=True;
} else
overwrite=True;
} else {
/* we are the wins owner of the database record */
/* the 2 records have the same IP address */
- if (ip_equal(namerec->data.ip[0], record->ip[0])) {
+ if (ip_equal_v4(namerec->data.ip[0], record->ip[0])) {
if (namerec->data.wins_flags&WINS_ACTIVE && record->wins_flags&WINS_TOMBSTONED)
get_global_id_and_update(&namerec->data.id, True);
else
overwrite=True;
}
else {
- if (ip_equal(record->wins_ip, namerec->data.wins_ip))
+ if (ip_equal_v4(record->wins_ip, namerec->data.wins_ip))
overwrite=True;
- if (ip_equal(namerec->data.wins_ip, our_fake_ip))
+ if (ip_equal_v4(namerec->data.wins_ip, our_fake_ip))
if (namerec->data.wins_flags&WINS_UNIQUE)
get_global_id_and_update(&namerec->data.id, True);
if (record->wins_flags&WINS_ACTIVE && namerec->data.wins_flags&WINS_ACTIVE)
if (namerec->data.wins_flags&WINS_UNIQUE ||
namerec->data.wins_flags&WINS_MHOMED)
- if (ip_equal(record->wins_ip, namerec->data.wins_ip))
+ if (ip_equal_v4(record->wins_ip, namerec->data.wins_ip))
overwrite=True;
}
git.samba.org / samba.git / blobdiff