100 lines
2.0 KiB
C
100 lines
2.0 KiB
C
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/* @(#)getdomainname.c 1.23 10/08/23 Copyright 1995-2010 J. Schilling */
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#include <schily/mconfig.h>
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#ifndef lint
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static UConst char sccsid[] =
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"@(#)getdomainname.c 1.23 10/08/23 Copyright 1995-2010 J. Schilling";
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#endif
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/*
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* Copyright (c) 1995-2010 J. Schilling
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*/
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/*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* See the file CDDL.Schily.txt in this distribution for details.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file CDDL.Schily.txt from this distribution.
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*/
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#include <schily/standard.h>
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#include <schily/stdlib.h>
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#include <schily/systeminfo.h>
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#include <schily/hostname.h>
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#ifndef HAVE_GETDOMAINNAME
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EXPORT int getdomainname __PR((char *name, int namelen));
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#endif
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#if !defined(HAVE_GETDOMAINNAME) && defined(SI_SRPC_DOMAIN)
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#define FUNC_GETDOMAINNAME
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EXPORT int
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getdomainname(name, namelen)
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char *name;
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int namelen;
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{
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if (sysinfo(SI_SRPC_DOMAIN, name, namelen) < 0)
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return (-1);
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return (0);
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}
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#endif
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#if !defined(HAVE_GETDOMAINNAME) && !defined(FUNC_GETDOMAINNAME)
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#define FUNC_GETDOMAINNAME
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#include <schily/stdio.h>
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#include <schily/string.h>
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#include <schily/schily.h>
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EXPORT int
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getdomainname(name, namelen)
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char *name;
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int namelen;
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{
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FILE *f;
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char name1[1024];
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char *p;
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char *p2;
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name[0] = '\0';
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f = fileopen("/etc/resolv.conf", "r");
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if (f == NULL)
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return (-1);
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while (fgetline(f, name1, sizeof (name1)) >= 0) {
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if ((p = strchr(name1, '#')) != NULL)
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*p = '\0';
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/*
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* Skip leading whitespace.
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*/
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p = name1;
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while (*p != '\0' && (*p == ' ' || *p == '\t'))
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p++;
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if (strncmp(p, "domain", 6) == 0) {
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p += 6;
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while (*p != '\0' && (*p == ' ' || *p == '\t'))
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p++;
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if ((p2 = strchr(p, ' ')) != NULL)
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*p2 = '\0';
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if ((p2 = strchr(p, '\t')) != NULL)
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*p2 = '\0';
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strncpy(name, p, namelen);
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fclose(f);
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return (0);
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}
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}
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fclose(f);
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return (0);
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}
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#endif
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