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First cut at zone transfer.

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This commit is contained in:
Simon Kelley
2012-12-07 11:50:41 +00:00
parent aa79235194
commit b75e936372
5 changed files with 163 additions and 46 deletions
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13
src/rfc1035.c
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@@ -1185,7 +1185,7 @@ int check_for_bogus_wildcard(struct dns_header *header, size_t qlen, char *name,
return 0;
}
int add_resource_record(struct dns_header *header, char *limit, int *truncp, unsigned int nameoffset, unsigned char **pp,
int add_resource_record(struct dns_header *header, char *limit, int *truncp, int nameoffset, unsigned char **pp,
unsigned long ttl, unsigned int *offset, unsigned short type, unsigned short class, char *format, ...)
{
va_list ap;
@@ -1200,14 +1200,19 @@ int add_resource_record(struct dns_header *header, char *limit, int *truncp, uns
va_start(ap, format); /* make ap point to 1st unamed argument */
if (nameoffset != 0)
if (nameoffset > 0)
{
PUTSHORT(nameoffset | 0xc000, p);
}
else
{
p = do_rfc1035_name(p, va_arg(ap, char *));
*p++ = 0;
if (nameoffset < 0)
{
PUTSHORT(-nameoffset | 0xc000, p);
}
else
*p++ = 0;
}
PUTSHORT(type, p);
@@ -1312,7 +1317,7 @@ size_t answer_request(struct dns_header *header, char *limit, size_t qlen,
unsigned char *p, *ansp, *pheader;
int qtype, qclass;
struct all_addr addr;
unsigned int nameoffset;
int nameoffset;
unsigned short flag;
int q, ans, anscount = 0, addncount = 0;
int dryrun = 0, sec_reqd = 0;