cdcbec7f04
libopie includes both <utmp.h> and <utmpx.h> in this case and uses some #defines to let the code use struct utmpx and its utility functions. We'd better not include <utmp.h> here, because maybe it will not be present in the future.
86 lines
1.9 KiB
C
86 lines
1.9 KiB
C
/* getutmpentry.c: The __opiegetutmpentry() library function.
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%%% copyright-cmetz-96
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This software is Copyright 1996-2001 by Craig Metz, All Rights Reserved.
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The Inner Net License Version 3 applies to this software.
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You should have received a copy of the license with this software. If
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you didn't get a copy, you may request one from <license@inner.net>.
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History:
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Modified by cmetz for OPIE 2.31. Cache result.
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Created by cmetz for OPIE 2.3 (re-write).
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*/
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#include "opie_cfg.h"
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#include <stdio.h>
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#include <sys/types.h>
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#if DOUTMPX
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#include <utmpx.h>
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#define setutent setutxent
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#define getutline(x) getutxline(x)
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#define utmp utmpx
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#else
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#include <utmp.h>
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#endif /* DOUTMPX */
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#if HAVE_STRING_H
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#include <string.h>
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#endif /* HAVE_STRING_H */
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#if DEBUG
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#include <syslog.h>
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#endif /* DEBUG */
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#include "opie.h"
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#if !HAVE_GETUTLINE && !DOUTMPX
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struct utmp *getutline __P((struct utmp *));
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#endif /* HAVE_GETUTLINE && !DOUTMPX */
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static struct utmp u;
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int __opiegetutmpentry FUNCTION((line, utmp), char *line AND struct utmp *utmp)
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{
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struct utmp *pu;
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if (u.ut_line[0]) {
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pu = &u;
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goto gotit;
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};
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memset(&u, 0, sizeof(u));
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if (!strncmp(line, "/dev/", 5)) {
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strncpy(u.ut_line, line + 5, sizeof(u.ut_line));
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setutent();
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if ((pu = getutline(&u)))
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goto gotit;
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#ifdef hpux
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strcpy(u.ut_line, "pty/");
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strncpy(u.ut_line + 4, line + 5, sizeof(u.ut_line) - 4);
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setutent();
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if ((pu = getutline(&u)))
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goto gotit;
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#endif /* hpux */
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}
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strncpy(u.ut_line, line, sizeof(u.ut_line));
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setutent();
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if ((pu = getutline(&u)))
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goto gotit;
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#if DEBUG
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syslog(LOG_DEBUG, "__opiegetutmpentry: failed to find entry for line %s", line);
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#endif /* DEBUG */
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return -1;
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gotit:
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#if DEBUG
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syslog(LOG_DEBUG, "__opiegetutmpentry: succeeded with line %s", pu->ut_line);
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#endif /* DEBUG */
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memcpy(utmp, pu, sizeof(struct utmp));
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return 0;
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}
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