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Handle UDP packet loss when fragmentation of large packets is broken.

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This commit is contained in:
Simon Kelley
2015-05-08 16:25:38 +01:00
parent 64bcff1c7c
commit a77cec8d58
8 changed files with 66 additions and 35 deletions
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5
src/dnsmasq.h
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@@ -504,7 +504,7 @@ struct server {
char interface[IF_NAMESIZE+1];
struct serverfd *sfd;
char *domain; /* set if this server only handles a domain. */
int flags, tcpfd;
int flags, tcpfd, edns_pktsz;
unsigned int queries, failed_queries;
#ifdef HAVE_LOOP
u32 uid;
@@ -594,6 +594,7 @@ struct hostsfile {
#define FREC_DO_QUESTION 64
#define FREC_ADDED_PHEADER 128
#define FREC_CHECK_NOSIGN 256
#define FREC_TEST_PKTSZ 512
#ifdef HAVE_DNSSEC
#define HASH_SIZE 20 /* SHA-1 digest size */
@@ -1148,7 +1149,7 @@ int in_zone(struct auth_zone *zone, char *name, char **cut);
#endif
/* dnssec.c */
size_t dnssec_generate_query(struct dns_header *header, char *end, char *name, int class, int type, union mysockaddr *addr);
size_t dnssec_generate_query(struct dns_header *header, char *end, char *name, int class, int type, union mysockaddr *addr, int edns_pktsz);
int dnssec_validate_by_ds(time_t now, struct dns_header *header, size_t n, char *name, char *keyname, int class);
int dnssec_validate_ds(time_t now, struct dns_header *header, size_t plen, char *name, char *keyname, int class);
int dnssec_validate_reply(time_t now, struct dns_header *header, size_t plen, char *name, char *keyname, int *class, int *neganswer, int *nons);