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/* getutmpentry.c: The __opiegetutmpentry() library function.
%%% copyright-cmetz-96
This software is Copyright 1996-2001 by Craig Metz, All Rights Reserved.
The Inner Net License Version 3 applies to this software.
You should have received a copy of the license with this software. If
you didn't get a copy, you may request one from <license@inner.net>.
History:
Modified by cmetz for OPIE 2.31. Cache result.
Created by cmetz for OPIE 2.3 (re-write).
*/
#include "opie_cfg.h"
#include <stdio.h>
#include <sys/types.h>
#include <utmp.h>
#if DOUTMPX
#include <utmpx.h>
#define setutent setutxent
#define getutline(x) getutxline(x)
#define utmp utmpx
#endif /* DOUTMPX */
#if HAVE_STRING_H
#include <string.h>
#endif /* HAVE_STRING_H */
#if DEBUG
#include <syslog.h>
#endif /* DEBUG */
#include "opie.h"
#if !HAVE_GETUTLINE && !DOUTMPX
struct utmp *getutline __P((struct utmp *));
#endif /* HAVE_GETUTLINE && !DOUTMPX */
static struct utmp u;
int __opiegetutmpentry FUNCTION((line, utmp), char *line AND struct utmp *utmp)
{
struct utmp *pu;
if (u.ut_line[0]) {
pu = &u;
goto gotit;
};
memset(&u, 0, sizeof(u));
if (!strncmp(line, "/dev/", 5)) {
strncpy(u.ut_line, line + 5, sizeof(u.ut_line));
setutent();
if ((pu = getutline(&u)))
goto gotit;
#ifdef hpux
strcpy(u.ut_line, "pty/");
strncpy(u.ut_line + 4, line + 5, sizeof(u.ut_line) - 4);
setutent();
if ((pu = getutline(&u)))
goto gotit;
#endif /* hpux */
}
strncpy(u.ut_line, line, sizeof(u.ut_line));
setutent();
if ((pu = getutline(&u)))
goto gotit;
#if DEBUG
syslog(LOG_DEBUG, "__opiegetutmpentry: failed to find entry for line %s", line);
#endif /* DEBUG */
return -1;
gotit:
#if DEBUG
syslog(LOG_DEBUG, "__opiegetutmpentry: succeeded with line %s", pu->ut_line);
#endif /* DEBUG */
memcpy(utmp, pu, sizeof(struct utmp));
return 0;
}
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