Oups, meant to send my reply to the list...
On Mon, Feb 2, 2015 at 10:01 AM, Yann Ylavic <[email protected]> wrote: > What does nslookup (or alike) output for these IPs ? > > On Mon, Feb 2, 2015 at 9:41 AM, GHui <[email protected]> wrote: >> >> There is some error, so I resend again. >> >> [root@myHOST ~]# ./hostname 172.18.4.49 >>>><<IP: 172.18.4.49 >>>><<HOST: (null) >> [root@myHOST ~]# ./hostname 172.18.4.48 >>>><<IP: 172.18.4.48 >>>><<HOST: localhost >> >> Note: The 172.18.4.49 and 172.18.4.48 are not in /etc/hosts. >> >> >> >> ------------------ Original ------------------ >> From: "Joshua Marantz";<[email protected]>; >> Send time: Sunday, Feb 1, 2015 10:56 PM >> To: "GHui"<[email protected]>; >> Cc: "Jeff Trawick"<[email protected]>; "dev"<[email protected]>; >> Subject: Re: apr_getnameinfo get localhost >> >> I am not an expert in this apr routine, but I think it might help if you >> gave the command-line argument you used when testing your program. >> >> -Josh >> >> On Sun, Feb 1, 2015 at 7:17 AM, GHui <[email protected]> wrote: >>> >>> >>> Is there any good news? Any help will be appreciated. >>> >>> --GHui >>> >>> >>> ------------------ Original ------------------ >>> From: "ugiwgh";<[email protected]>; >>> Send time: Thursday, Jan 29, 2015 9:03 AM >>> To: "Jeff Trawick"<[email protected]>; >>> Cc: "dev"<[email protected]>; >>> Subject: Re: apr_getnameinfo get localhost >>> >>> >>> From: "Jeff Trawick";<[email protected]>; Send time: Wednesday, Jan 28, >>> 2015 10:26 PM >>> On Wed, Jan 28, 2015 at 2:26 AM, GHui <[email protected]> wrote: >>>> >>>> I used the function apr_getnameinfo to get remote hostname. But it >>>> return "localhost". >>>> I don't know why this happend. >>>> Any help will be appreciated. >>>> --GHui >>> >>> >>> Please show code, such as where the second parameter to apr_getnameinfo() >>> came from. >>> -- >>> Born in Roswell... married an alien... >>> http://emptyhammock.com/ >>> >>> >>> The code is following. >>> --------------------------------------------- >>> int main(int argc,char **argv) >>> { >>> if(2!=argc) >>> { >>> printf("Usage: %s <ip>\n",argv[0]); >>> return 1; >>> } >>> char *remoteip=argv[1]; >>> printf(">><<IP: %s\n",remoteip); >>> apr_initialize(); >>> apr_pool_t *mp; >>> apr_pool_create(&mp,NULL); >>> apr_sockaddr_t *sa; >>> apr_sockaddr_info_get(&sa,remoteip,APR_INET,10089,0,mp); >>> char *hostname=NULL; >>> apr_getnameinfo(&hostname,sa,0); >>> printf(">><<HOST: %s\n",hostname); >>> >>> apr_terminate(); >>> return 0; >>> } >>> -------------------------------------------- >> >>
