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- Squelch log message: sendto failed permission denied for

Browse source 
255.255.255.255, it is visible in VERB_DETAIL (verbosity 2).


git-svn-id: file:///svn/unbound/trunk@2088 be551aaa-1e26-0410-a405-d3ace91eadb9
This commit is contained in:
Wouter Wijngaards 2010-04-23 06:48:49 +00:00
parent 4c7edee5f3
commit 109fbe2350
4 changed files with 26 additions and 0 deletions
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4
doc/Changelog
View file

@ -1,3 +1,7 @@
23 April 2010: Wouter
- Squelch log message: sendto failed permission denied for
255.255.255.255, it is visible in VERB_DETAIL (verbosity 2).
22 April 2010: Wouter
- tag 1.4.4.
- trunk contains 1.4.5 in development.

8
util/net_help.c
View file

@ -494,6 +494,14 @@ addr_is_ip4mapped(struct sockaddr_storage* addr, socklen_t addrlen)
return (memcmp(s, map_prefix, 12) == 0);
}
int addr_is_broadcast(struct sockaddr_storage* addr, socklen_t addrlen)
{
int af = (int)((struct sockaddr_in*)addr)->sin_family;
void* sinaddr = &((struct sockaddr_in*)addr)->sin_addr;
return af == AF_INET && addrlen>=(socklen_t)sizeof(struct sockaddr_in)
&& memcmp(sinaddr, "\377\377\377\377", 4) == 0;
}
void sock_list_insert(struct sock_list** list, struct sockaddr_storage* addr,
socklen_t len, struct regional* region)
{

8
util/net_help.h
View file

@ -279,6 +279,14 @@ void addr_to_str(struct sockaddr_storage* addr, socklen_t addrlen,
*/
int addr_is_ip4mapped(struct sockaddr_storage* addr, socklen_t addrlen);
/**
* See if sockaddr is 255.255.255.255.
* @param addr: address
* @param addrlen: length of address
* @return true if so
*/
int addr_is_broadcast(struct sockaddr_storage* addr, socklen_t addrlen);
/**
* Insert new socket list item. If fails logs error.
* @param list: pointer to pointer to first item.

6
util/netevent.c
View file

@ -301,6 +301,12 @@ comm_point_send_udp_msg(struct comm_point *c, ldns_buffer* packet,
(struct sockaddr_storage*)addr, addrlen) &&
verbosity < VERB_DETAIL)
return 0;
/* SO_BROADCAST sockopt can give access to 255.255.255.255,
* but a dns cache does not need it. */
if(errno == EACCES && addr_is_broadcast(
(struct sockaddr_storage*)addr, addrlen) &&
verbosity < VERB_DETAIL)
return 0;
#ifndef USE_WINSOCK
verbose(VERB_OPS, "sendto failed: %s", strerror(errno));
#else