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Fix convert_ss2service() to filter out zero addresses.

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This commit is contained in:
Jeremy Allison
2012-04-27 16:07:20 -07:00
parent 01e884675e
commit 50766a72f9
1 changed files with 33 additions and 12 deletions
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45
source3/libsmb/namequery.c
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@@ -1513,32 +1513,53 @@ NTSTATUS name_query(const char *name, int name_type,
}
/********************************************************
convert an array if struct sockaddr_storage to struct ip_service
Convert an array if struct sockaddr_storage to struct ip_service
return false on failure. Port is set to PORT_NONE;
pcount is [in/out] - it is the length of ss_list on input,
and the length of return_iplist on output as we remove any
zero addresses from ss_list.
*********************************************************/
static bool convert_ss2service(struct ip_service **return_iplist,
const struct sockaddr_storage *ss_list,
int count)
int *pcount)
{
int i;
int orig_count = *pcount;
int real_count = 0;
if ( count==0 || !ss_list )
if (orig_count==0 || !ss_list )
return False;
/* Filter out zero addrs. */
for ( i=0; i<orig_count; i++ ) {
if (is_zero_addr(&ss_list[i])) {
continue;
}
real_count++;
}
if (real_count==0) {
return false;
}
/* copy the ip address; port will be PORT_NONE */
if ((*return_iplist = SMB_MALLOC_ARRAY(struct ip_service, count)) ==
if ((*return_iplist = SMB_MALLOC_ARRAY(struct ip_service, real_count)) ==
NULL) {
DEBUG(0,("convert_ip2service: malloc failed "
"for %d enetries!\n", count ));
"for %d enetries!\n", real_count ));
return False;
}
for ( i=0; i<count; i++ ) {
(*return_iplist)[i].ss = ss_list[i];
(*return_iplist)[i].port = PORT_NONE;
for ( i=0, real_count = 0; i<orig_count; i++ ) {
if (is_zero_addr(&ss_list[i])) {
continue;
}
(*return_iplist)[real_count].ss = ss_list[i];
(*return_iplist)[real_count].port = PORT_NONE;
real_count++;
}
*pcount = real_count;
return true;
}
@@ -2253,7 +2274,7 @@ static NTSTATUS resolve_lmhosts(const char *name, int name_type,
if (NT_STATUS_IS_OK(status)) {
if (convert_ss2service(return_iplist,
ss_list,
*return_count)) {
return_count)) {
talloc_free(ctx);
return NT_STATUS_OK;
} else {
@@ -2321,7 +2342,7 @@ static NTSTATUS resolve_hosts(const char *name, int name_type,
if (NT_STATUS_IS_OK(status)) {
if (convert_ss2service(return_iplist,
ss_list,
*return_count)) {
return_count)) {
talloc_free(ctx);
return NT_STATUS_OK;
} else {
@@ -2618,7 +2639,7 @@ NTSTATUS internal_resolve_name(const char *name,
if (NT_STATUS_IS_OK(status)) {
if (!convert_ss2service(return_iplist,
ss_list,
*return_count)) {
return_count)) {
status = NT_STATUS_NO_MEMORY;
}
goto done;
@@ -2632,7 +2653,7 @@ NTSTATUS internal_resolve_name(const char *name,
if (NT_STATUS_IS_OK(status)) {
if (!convert_ss2service(return_iplist,
ss_list,
*return_count)) {
return_count)) {
status = NT_STATUS_NO_MEMORY;
}
goto done;