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Generalise locally-configured CNAME handling.

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It's now possible for the target of a CNAME to be any locally
configured RR or even point to a non-existent RR.
This commit is contained in:
Simon Kelley
2019-10-29 22:24:19 +00:00
parent 456a319775
commit 84449bf41c
4 changed files with 34 additions and 108 deletions
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12
src/dnsmasq.h
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@@ -287,9 +287,9 @@ union all_addr {
struct {
union {
struct crec *cache;
struct interface_name *int_name;
char *name;
} target;
unsigned int uid; /* 0 if union is interface-name */
unsigned int uid; /* 0 if union is char * */
} cname;
struct {
struct blockdata *keydata;
@@ -483,10 +483,10 @@ struct crec {
#define UID_NONE 0
/* Values of uid in crecs with F_CONFIG bit set. */
/* cname to uid SRC_INTERFACE are to interface names,
so use UID_NONE for that to eliminate clashes with
any other uid */
#define SRC_INTERFACE UID_NONE
/* cname to uid SRC_PTR are to locally-configured CNAME
so use UID_NONE for that to
eliminate clashes with any other uid */
#define SRC_PTR UID_NONE
#define SRC_CONFIG 1
#define SRC_HOSTS 2
#define SRC_AH 3