131 lines
3.0 KiB
C
131 lines
3.0 KiB
C
/* login.c: The opielogin() library function.
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%%% copyright-cmetz
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This software is Copyright 1996 by Craig Metz, All Rights Reserved.
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The Inner Net License Version 2 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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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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#include <utmp.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 utmp utmpx
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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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int opielogin FUNCTION((line, name, host), char *line AND char *name AND char *host)
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{
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struct utmp u;
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int rval = 0;
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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 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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u.ut_name[sizeof(u.ut_name)] = 0;
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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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u.ut_host[sizeof(u.ut_host)] = 0;
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#endif /* HAVE_UT_HOST */
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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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dowtmp:
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{
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FILE *f;
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#if DOUTMPX
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updutmpx(_PATH_WTMPX, &u);
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#else /* DOUTMPX */
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if (!(f = __opieopen(_PATH_WTMP, 2, 0664))) {
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rval = -1;
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#if DEBUG
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syslog(LOG_DEBUG, "opielogin: wtmp open failed: %s (%d)", strerror(errno), errno);
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#endif /* DEBUG */
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goto dosetlogin;
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}
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if (fwrite(&u, sizeof(struct utmp), 1, f) != sizeof(struct utmp)) {
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#if DEBUG
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syslog(LOG_DEBUG, "opielogin: wtmp write failed: %s (%d)", strerror(errno), errno);
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#endif /* DEBUG */
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rval = -1;
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}
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fclose(f);
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#endif /* DOUTMPX */
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}
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#if DEBUG
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syslog(LOG_DEBUG, "opielogin: wtmp suceeded");
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#endif /* DEBUG */
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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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