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/* pathalias -- by steve bellovin, as told to peter honeyman */
#ifndef lint
static char *sccsid = "@(#)local.c 9.3 91/06/11";
static char *rcsid = "@(#)smail/pd/pathalias:RELEASE-3_2_0_102:local.c,v 1.4 1997/02/09 21:50:50 woods Exp";
#endif /* lint */
#include "config.h"
#include <stdio.h>
#ifdef UNAME
#include <sys/utsname.h>
char *
local()
{
static struct utsname utsname;
extern int uname();
(void) uname(&utsname);
return(utsname.nodename);
}
#else /* !UNAME */
char *
local()
{
static char lname[64];
extern int gethostname();
(void) gethostname(lname, (int) sizeof(lname));
lname[sizeof(lname)] = 0;
return(lname);
}
#ifndef GETHOSTNAME
STATIC int
gethostname(name, len)
char *name;
int len;
{ FILE *whoami;
char *ptr;
extern int pclose();
extern FILE *fopen(), *popen();
*name = '\0';
/* try /etc/whoami */
if ((whoami = fopen("/etc/whoami", "r")) != 0) {
(void) fgets(name, len, whoami);
(void) fclose(whoami);
if ((ptr = index(name, '\n')) != 0)
*ptr = '\0';
}
if (*name)
return 0;
/* try /usr/include/whoami.h */
if ((whoami = fopen("/usr/include/whoami.h", "r")) != 0) {
while (!feof(whoami)) {
char buf[100];
if (fgets(buf, 100, whoami) == 0)
break;
if (sscanf(buf, "#define sysname \"%[^\"]\"", name))
break;
}
(void) fclose(whoami);
if (*name)
return 0;
}
/* ask uucp */
if ((whoami = popen("uuname -l", "r")) != 0) {
(void) fgets(name, len, whoami);
(void) pclose(whoami);
if ((ptr = index(name, '\n')) != 0)
*ptr = '\0';
}
if (*name)
return 0;
/* aw hell, i give up! is this really unix? */
return -1;
}
#endif /* GETHOSTNAME */
#endif /* UNAME */
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