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Handle extending EDNS0 OPT RR.

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This commit is contained in:
Simon Kelley
2015-12-21 16:23:47 +00:00
parent 1d03016bbc
commit 5bb88f0963
4 changed files with 81 additions and 56 deletions
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4
src/dnsmasq.h
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@@ -1117,8 +1117,6 @@ size_t answer_request(struct dns_header *header, char *limit, size_t qlen,
int check_for_bogus_wildcard(struct dns_header *header, size_t qlen, char *name,
struct bogus_addr *addr, time_t now);
int check_for_ignored_address(struct dns_header *header, size_t qlen, struct bogus_addr *baddr);
unsigned char *find_pseudoheader(struct dns_header *header, size_t plen,
size_t *len, unsigned char **p, int *is_sign);
int check_for_local_domain(char *name, time_t now);
unsigned int questions_crc(struct dns_header *header, size_t plen, char *buff);
size_t resize_packet(struct dns_header *header, size_t plen,
@@ -1514,6 +1512,8 @@ u16 *rrfilter_desc(int type);
int expand_workspace(unsigned char ***wkspc, int *szp, int new);
/* edns0.c */
unsigned char *find_pseudoheader(struct dns_header *header, size_t plen,
size_t *len, unsigned char **p, int *is_sign, int *is_last);
size_t add_pseudoheader(struct dns_header *header, size_t plen, unsigned char *limit,
unsigned short udp_sz, int optno, unsigned char *opt, size_t optlen, int set_do);
size_t add_mac(struct dns_header *header, size_t plen, char *limit, union mysockaddr *l3);