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| author | Sergey Poznyakoff <gray@gnu.org.ua> | 2007-08-10 12:28:46 +0000 |
|---|---|---|
| committer | Sergey Poznyakoff <gray@gnu.org.ua> | 2007-08-10 12:28:46 +0000 |
| commit | 819caa6eacef6cc3782c9b07d15bb6354de02818 (patch) | |
| tree | c5a029b9e3d2d1e6fe94d5ede665a807d44434aa /src | |
| parent | 6b0ce20d6bec52b759ac4ff479ce055a635046a9 (diff) | |
| download | mailfromd-819caa6eacef6cc3782c9b07d15bb6354de02818.tar.gz mailfromd-819caa6eacef6cc3782c9b07d15bb6354de02818.tar.bz2 | |
(a_lookup): Make name buffer big enough to hold eventual CNAME expansions.
git-svn-id: file:///svnroot/mailfromd/trunk@1501 7a8a7f39-df28-0410-adc6-e0d955640f24
Diffstat (limited to 'src')
| -rw-r--r-- | src/dnsbase.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/dnsbase.c b/src/dnsbase.c index 7290fc46..777ca7ee 100644 --- a/src/dnsbase.c +++ b/src/dnsbase.c @@ -606,11 +606,13 @@ a_lookup(const char *host, unsigned long *ttl, char *answer, size_t answer_size) { struct loop_data ld; - char domainbuf[256] = ""; + char namebuf[NSIZE]; + char domainbuf[NSIZE] = ""; ld.qtype = ld.atype = T_A; - ld.name = xstrdup(host); - ld.name_size = strlen(ld.name); + strncpy(namebuf, host, sizeof namebuf - 1); + ld.name = namebuf; + ld.name_size = sizeof namebuf; ld.domain = domainbuf; ld.domain_size = sizeof domainbuf; ld.answer = answer; @@ -623,7 +625,6 @@ a_lookup(const char *host, ld.loopcnt = MAXCNAMEDEPTH; cnameloop(&ld); - free(ld.name); if (ld.status == dns_success) { if (ipcount) *ipcount = ld.hbcount; |