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Fix hostname lookup, #31

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This commit is contained in:
Roy Marples 2008-02-23 23:12:54 +00:00
parent a869183969
commit 57a0827f70
1 changed files with 4 additions and 3 deletions
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7
configure.c
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@ -452,7 +452,7 @@ static char *lookuphostname (char *hostname, const dhcp_t *dhcp,
socklen_t salen;
char *addr;
struct addrinfo hints;
struct addrinfo *res;
struct addrinfo *res = NULL;
int result;
char *p;
@ -477,7 +477,8 @@ static char *lookuphostname (char *hostname, const dhcp_t *dhcp,
hints.ai_socktype = SOCK_DGRAM;
hints.ai_flags = AI_NUMERICHOST;
result = getaddrinfo (addr, "0", &hints, &res);
freeaddrinfo (res);
if (res)
freeaddrinfo (res);
if (result == 0)
logger (LOG_ERR, "malicious PTR record detected");
if (result == 0 || ! *addr) {
@ -774,7 +775,7 @@ int configure (const options_t *options, interface_t *iface,
/* Now we have made a resolv.conf we can obtain a hostname
* if we need it */
if (! *newhostname && options->dohostname > 3)
if (! *newhostname || options->dohostname > 3)
lookuphostname (newhostname, dhcp, options);
if (*newhostname) {