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authorTheodore Tso <tytso@mit.edu>1992-09-29 14:51:34 +0000
committerTheodore Tso <tytso@mit.edu>1992-09-29 14:51:34 +0000
commitd4e95b17ce5d033759cb529f0cada608982ef5c8 (patch)
tree0182c5c657e0df883466a0aa593788829919b39b /src/appl/bsd/logutil.c
parentd96ae575ff8eef11fe1dfb3bffdede9d31cb5e57 (diff)
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Diffstat (limited to 'src/appl/bsd/logutil.c')
-rw-r--r--src/appl/bsd/logutil.c178
1 files changed, 178 insertions, 0 deletions
diff --git a/src/appl/bsd/logutil.c b/src/appl/bsd/logutil.c
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+++ b/src/appl/bsd/logutil.c
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+/*
+ * Copyright (c) 1988 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the University of California, Berkeley. The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)login.c 5.1 (Berkeley) 9/27/88";
+#endif /* LIBC_SCCS and not lint */
+
+#include <sys/types.h>
+#include <sys/file.h>
+#if defined (CRAY) || defined (sgi)
+#include <sys/fcntl.h>
+#define L_SET 0
+#define L_INCR 1
+#endif
+#include <utmp.h>
+#include <stdio.h>
+#include <sys/time.h>
+#include <sys/stat.h>
+
+#ifndef UTMP_FILE
+#define UTMP_FILE "/etc/utmp"
+#endif
+#ifndef WTMP_FILE
+#ifdef SYSV
+#define WTMPFILE "/etc/wtmp"
+#else
+#define WTMP_FILE "/usr/adm/wtmp"
+#endif
+#endif
+
+void login(ut)
+ struct utmp *ut;
+{
+ register int fd;
+ int tty;
+ off_t lseek();
+
+ tty = ttyslot();
+ if (tty > 0 && (fd = open(UTMP_FILE, O_WRONLY, 0)) >= 0) {
+ (void)lseek(fd, (long)(tty * sizeof(struct utmp)), L_SET);
+ (void)write(fd, (char *)ut, sizeof(struct utmp));
+ (void)close(fd);
+ }
+ if ((fd = open(WTMP_FILE, O_WRONLY|O_APPEND, 0)) >= 0) {
+ (void)write(fd, (char *)ut, sizeof(struct utmp));
+ (void)close(fd);
+ }
+}
+
+
+
+/*
+ * Copyright (c) 1988 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the University of California, Berkeley. The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)logout.c 5.1 (Berkeley) 8/31/88";
+#endif /* LIBC_SCCS and not lint */
+
+logout(line)
+ register char *line;
+{
+ register FILE *fp;
+ struct utmp ut;
+ int rval;
+ time_t time();
+
+ if (!(fp = fopen(UTMP_FILE, "r+")))
+ return(0);
+ rval = 1;
+ while (fread((char *)&ut, sizeof(struct utmp), 1, fp) == 1) {
+ if (!ut.ut_name[0] ||
+ strncmp(ut.ut_line, line, sizeof(ut.ut_line)))
+ continue;
+ memset(ut.ut_name,0, sizeof(ut.ut_name));
+#ifndef NO_UT_HOST
+ memset(ut.ut_host,0, sizeof(ut.ut_host));
+#endif
+ (void)time(&ut.ut_time);
+ (void)fseek(fp, (long)-sizeof(struct utmp), L_INCR);
+ (void)fwrite((char *)&ut, sizeof(struct utmp), 1, fp);
+ (void)fseek(fp, (long)0, L_INCR);
+ rval = 0;
+ }
+ (void)fclose(fp);
+ return(rval);
+}
+
+
+
+/*
+ * Copyright (c) 1988 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the University of California, Berkeley. The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)logwtmp.c 5.2 (Berkeley) 9/20/88";
+#endif /* LIBC_SCCS and not lint */
+
+static int fd = -1;
+
+#ifndef SYSV
+logwtmp(line, name, host, keep_open)
+#else
+logwtmp(line, name, host, keep_open, logingin)
+#endif
+ char *line, *name, *host;
+ int keep_open;
+#ifdef SYSV
+ int logingin;
+#endif
+{
+ struct utmp ut;
+ struct stat buf;
+ time_t time();
+ char *strncpy();
+
+ if (fd < 0 && (fd = open(WTMP_FILE, O_WRONLY|O_APPEND, 0)) < 0)
+ return;
+ if (!fstat(fd, &buf)) {
+ (void)strncpy(ut.ut_line, line, sizeof(ut.ut_line));
+ (void)strncpy(ut.ut_name, name, sizeof(ut.ut_name));
+#ifndef NO_UT_HOST
+ (void)strncpy(ut.ut_host, host, sizeof(ut.ut_host));
+#endif
+#ifdef SYSV
+ (void)strncpy(ut.ut_id, (char *)ut.ut_line + 4,
+ sizeof(ut.ut_id));
+ ut.ut_type = logingin ? USER_PROCESS : DEAD_PROCESS;
+ ut.ut_pid = getpid();
+#endif
+ (void)time(&ut.ut_time);
+ if (write(fd, (char *)&ut, sizeof(struct utmp)) !=
+ sizeof(struct utmp))
+ (void)ftruncate(fd, buf.st_size);
+ }
+ if ( !keep_open)
+ (void)close(fd);
+}