7845988449
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.
125 lines
3.0 KiB
C
125 lines
3.0 KiB
C
/* login.c: The opielogin() 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 2.4. Add support for ut_id and
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ut_syslen. Don't zero-terminate ut_name and ut_host.
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Modified by cmetz for OPIE 2.31. If the OS won't tell us where
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_PATH_WTMP[X] is, try playing the SVID game, then use
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Autoconf-discovered values. Fixed gettimeofday() call
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and updwtmpx() call. Call endutxent for utmpx. Added
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DISABLE_UTMP.
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Created by cmetz for OPIE 2.3.
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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 pututline(x) pututxline(x)
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#define endutent endutxent
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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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#include <sys/stat.h>
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#if DEBUG
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#include <syslog.h>
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#include <errno.h>
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#endif /* DEBUG */
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#include "opie.h"
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#define IDLEN 4
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int opielogin FUNCTION((line, name, host), char *line AND char *name AND char *host)
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{
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int rval = 0;
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#if !DISABLE_UTMP
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struct utmp u;
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char id[IDLEN + 1] = "";
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if (__opiegetutmpentry(line, &u)) {
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#if DEBUG
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syslog(LOG_DEBUG, "opielogin: __opiegetutmpentry(line=%s, &u) failed", line);
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#endif /* DEBUG */
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memset(&u, 0, sizeof(struct utmp));
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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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else
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strncpy(u.ut_line, line, sizeof(u.ut_line));
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#if DEBUG
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syslog(LOG_DEBUG, "opielogin: continuing with ut_line=%s", u.ut_line);
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#endif /* DEBUG */
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}
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#if DOUTMPX || HAVE_UT_ID
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strncpy(id, u.ut_id, sizeof(u.ut_id));
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id[sizeof(id)-1] = 0;
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#endif /* DOUTMPX || HAVE_UT_ID */
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#if HAVE_UT_TYPE && defined(USER_PROCESS)
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u.ut_type = USER_PROCESS;
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#endif /* HAVE_UT_TYPE && defined(USER_PROCESS) */
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#if HAVE_UT_PID
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u.ut_pid = getpid();
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#endif /* HAVE_UT_PID */
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#if HAVE_UT_NAME
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strncpy(u.ut_name, name, sizeof(u.ut_name));
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#else /* HAVE_UT_NAME */
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#error No ut_name field in struct utmp? (Please send in a bug report)
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#endif /* HAVE_UT_NAME */
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#if HAVE_UT_HOST
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strncpy(u.ut_host, host, sizeof(u.ut_host));
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#endif /* HAVE_UT_HOST */
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#if DOUTMPX && HAVE_UTX_SYSLEN
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u.ut_syslen = strlen(host) + 1;
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#endif /* DOUTMPX && HAVE_UT_SYSLEN */
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#if DOUTMPX
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#ifdef HAVE_ONE_ARG_GETTIMEOFDAY
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gettimeofday(&u.ut_tv);
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#else /* HAVE_ONE_ARG_GETTIMEOFDAY */
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gettimeofday(&u.ut_tv, NULL);
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#endif /* HAVE_ONE_ARG_GETTIMEOFDAY */
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#else /* DOUTMPX */
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time(&u.ut_time);
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#endif /* DOUTMPX */
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pututline(&u);
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endutent();
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#if DEBUG
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syslog(LOG_DEBUG, "opielogin: utmp suceeded");
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#endif /* DEBUG */
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#endif /* !DISABLE_UTMP */
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dowtmp:
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opielogwtmp(line, name, host, id);
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opielogwtmp(NULL, NULL, NULL);
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dosetlogin:
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#if HAVE_SETLOGIN
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setlogin(name);
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#endif /* HAVE_SETLOGIN */
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#if DEBUG
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syslog(LOG_DEBUG, "opielogin: rval=%d", rval);
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#endif /* DEBUG */
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return rval;
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}
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