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Make sure we have room to store long domain names (such as IPv6 reverse DNS entries)

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git-svn-id: https://svn.alkaloid.net/gpl/ldap2dns/trunk@520 06cd67b6-e706-0410-b29e-9de616bca6e9
This commit is contained in:
Ben Klang
2010-02-25 23:39:11 +00:00
parent e29f21085a
commit 6487c8e012
1 changed files with 7 additions and 3 deletions
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10
ldap2dns.c
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@@ -25,6 +25,7 @@
#define MAXHOSTS 10 #define MAXHOSTS 10
#define DEF_SEARCHTIMEOUT 40 #define DEF_SEARCHTIMEOUT 40
#define DEF_RECLIMIT LDAP_NO_LIMIT #define DEF_RECLIMIT LDAP_NO_LIMIT
#define MAX_DOMAIN_LEN 256
static char tinydns_textfile[256]; static char tinydns_textfile[256];
static char tinydns_texttemp[256]; static char tinydns_texttemp[256];
@@ -84,7 +85,7 @@ static struct
struct resourcerecord struct resourcerecord
{ {
char cn[64]; char cn[64];
char dnsdomainname[64]; char dnsdomainname[MAX_DOMAIN_LEN];
char class[16]; char class[16];
char type[16]; char type[16];
char ipaddr[256][80]; char ipaddr[256][80];
@@ -492,9 +493,12 @@ static int parse_options()
} }
static int expand_domainname(char target[64], const char* source, int slen) static int expand_domainname(char target[MAX_DOMAIN_LEN], const char* source, int slen)
{ {
if (slen>64) int tlen;
tlen = strlen(zone.domainname);
if ((slen + tlen) > MAX_DOMAIN_LEN)
return 0; return 0;
if (source[slen-1]=='.') { if (source[slen-1]=='.') {
strncpy(target, source, slen-1); strncpy(target, source, slen-1);