135673Sbostic /* 235673Sbostic * Copyright (c) 1988 The Regents of the University of California. 335673Sbostic * All rights reserved. 435673Sbostic * 535673Sbostic * Redistribution and use in source and binary forms are permitted 635673Sbostic * provided that the above copyright notice and this paragraph are 735673Sbostic * duplicated in all such forms and that any documentation, 835673Sbostic * advertising materials, and other materials related to such 935673Sbostic * distribution and use acknowledge that the software was developed 1035673Sbostic * by the University of California, Berkeley. The name of the 1135673Sbostic * University may not be used to endorse or promote products derived 1235673Sbostic * from this software without specific prior written permission. 1335673Sbostic * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 1435673Sbostic * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 1535673Sbostic * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. 1635673Sbostic * 1735673Sbostic * static char sccsid[] = "@(#)logwtmp.c 5.2 (Berkeley) 9/20/88"; 1835673Sbostic */ 1935673Sbostic 2035673Sbostic #ifndef lint 21*35674Sbostic static char sccsid[] = "@(#)logwtmp.c 5.2 (Berkeley) 09/22/88"; 2235673Sbostic #endif /* not lint */ 2335673Sbostic 2435673Sbostic #include <sys/types.h> 2535673Sbostic #include <sys/file.h> 2635673Sbostic #include <sys/time.h> 2735673Sbostic #include <sys/stat.h> 2835673Sbostic #include <utmp.h> 2935673Sbostic 3035673Sbostic #define WTMPFILE "/usr/adm/wtmp" 3135673Sbostic 32*35674Sbostic static int fd; 33*35674Sbostic 3435673Sbostic logwtmp(line, name, host) 3535673Sbostic char *line, *name, *host; 3635673Sbostic { 3735673Sbostic struct utmp ut; 3835673Sbostic struct stat buf; 3935673Sbostic time_t time(); 4035673Sbostic char *strncpy(); 4135673Sbostic 42*35674Sbostic if (!fd && (fd = open(WTMPFILE, O_WRONLY|O_APPEND, 0)) < 0) 4335673Sbostic return; 4435673Sbostic if (!fstat(fd, &buf)) { 4535673Sbostic (void)strncpy(ut.ut_line, line, sizeof(ut.ut_line)); 4635673Sbostic (void)strncpy(ut.ut_name, name, sizeof(ut.ut_name)); 4735673Sbostic (void)strncpy(ut.ut_host, host, sizeof(ut.ut_host)); 4835673Sbostic (void)time(&ut.ut_time); 4935673Sbostic if (write(fd, (char *)&ut, sizeof(struct utmp)) != 5035673Sbostic sizeof(struct utmp)) 5135673Sbostic (void)ftruncate(fd, buf.st_size); 5235673Sbostic } 5335673Sbostic } 54