X-Git-Url: http://git.marmaro.de/?a=blobdiff_plain;f=mts%2Fsmtp%2Fhosts.c;h=94287b5cf496da747b2bd408ec92f842b958dceb;hb=a2469f5ecbca3a179251ac9b777b561bc5245d4c;hp=607f4ecca6f43587f982e6c371d5276dda0e4eef;hpb=d2f12554a254e814dcdafb3828fc0d9936154eef;p=mmh diff --git a/mts/smtp/hosts.c b/mts/smtp/hosts.c index 607f4ec..94287b5 100644 --- a/mts/smtp/hosts.c +++ b/mts/smtp/hosts.c @@ -2,8 +2,6 @@ /* * hosts.c -- find out the official name of a host * - * $Id$ - * * This code is Copyright (c) 2002, by the authors of nmh. See the * COPYRIGHT file in the root directory of the nmh distribution for * complete copyright information. @@ -18,6 +16,7 @@ #include #include +#include #include static struct host { @@ -36,8 +35,9 @@ static int init_hs(void); char * OfficialName (char *name) { - char *p, *q, site[BUFSIZ]; - struct hostent *hp; + unsigned char *p; + char *q, site[BUFSIZ]; + struct addrinfo hints, *res; static char buffer[BUFSIZ]; char **r; @@ -51,12 +51,14 @@ OfficialName (char *name) if (!mh_strcasecmp (LocalName(), site)) return LocalName(); -#ifdef HAVE_SETHOSTENT - sethostent (1); -#endif + memset(&hints, 0, sizeof(hints)); + hints.ai_flags = AI_CANONNAME; + hints.ai_family = PF_UNSPEC; - if ((hp = gethostbyname (q))) { - strncpy (buffer, hp->h_name, sizeof(buffer)); + if (getaddrinfo(q, NULL, &hints, &res) == 0) { + strncpy (buffer, res->ai_canonname, sizeof(buffer)); + buffer[sizeof(buffer) - 1] = '\0'; + freeaddrinfo(res); return buffer; } if (hosts.h_name || init_hs ()) { @@ -85,7 +87,8 @@ OfficialName (char *name) static int init_hs (void) { - char *cp, *dp, **q, **r; + unsigned char *cp; + char *dp, **q, **r; char buffer[BUFSIZ], *aliases[NALIASES]; register struct host *h; register FILE *fp;