1*35673Sbostic /* 2*35673Sbostic * Copyright (c) 1988 The Regents of the University of California. 3*35673Sbostic * All rights reserved. 4*35673Sbostic * 5*35673Sbostic * Redistribution and use in source and binary forms are permitted 6*35673Sbostic * provided that the above copyright notice and this paragraph are 7*35673Sbostic * duplicated in all such forms and that any documentation, 8*35673Sbostic * advertising materials, and other materials related to such 9*35673Sbostic * distribution and use acknowledge that the software was developed 10*35673Sbostic * by the University of California, Berkeley. The name of the 11*35673Sbostic * University may not be used to endorse or promote products derived 12*35673Sbostic * from this software without specific prior written permission. 13*35673Sbostic * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 14*35673Sbostic * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 15*35673Sbostic * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. 16*35673Sbostic * 17*35673Sbostic * static char sccsid[] = "@(#)logwtmp.c 5.2 (Berkeley) 9/20/88"; 18*35673Sbostic */ 19*35673Sbostic 20*35673Sbostic #ifndef lint 21*35673Sbostic static char sccsid[] = "@(#)logwtmp.c 5.1 (Berkeley) 09/22/88"; 22*35673Sbostic #endif /* not lint */ 23*35673Sbostic 24*35673Sbostic #include <sys/types.h> 25*35673Sbostic #include <sys/file.h> 26*35673Sbostic #include <sys/time.h> 27*35673Sbostic #include <sys/stat.h> 28*35673Sbostic #include <utmp.h> 29*35673Sbostic 30*35673Sbostic #define WTMPFILE "/usr/adm/wtmp" 31*35673Sbostic 32*35673Sbostic logwtmp(line, name, host) 33*35673Sbostic char *line, *name, *host; 34*35673Sbostic { 35*35673Sbostic struct utmp ut; 36*35673Sbostic struct stat buf; 37*35673Sbostic int fd; 38*35673Sbostic time_t time(); 39*35673Sbostic char *strncpy(); 40*35673Sbostic 41*35673Sbostic if ((fd = open(WTMPFILE, O_WRONLY|O_APPEND, 0)) < 0) 42*35673Sbostic return; 43*35673Sbostic if (!fstat(fd, &buf)) { 44*35673Sbostic (void)strncpy(ut.ut_line, line, sizeof(ut.ut_line)); 45*35673Sbostic (void)strncpy(ut.ut_name, name, sizeof(ut.ut_name)); 46*35673Sbostic (void)strncpy(ut.ut_host, host, sizeof(ut.ut_host)); 47*35673Sbostic (void)time(&ut.ut_time); 48*35673Sbostic if (write(fd, (char *)&ut, sizeof(struct utmp)) != 49*35673Sbostic sizeof(struct utmp)) 50*35673Sbostic (void)ftruncate(fd, buf.st_size); 51*35673Sbostic } 52*35673Sbostic (void)close(fd); 53*35673Sbostic } 54