home *** CD-ROM | disk | FTP | other *** search
- /* Author: Wietse Venema <wietse@wzv.win.tue.nl> */
-
- #include <sys/types.h>
- #include <sys/time.h>
- #include <utmpx.h>
- #include <string.h>
- #include <syslog.h>
-
- /* utmpx_init - update utmp and wtmp before login */
-
- utmpx_init(line, user, id)
- char *line;
- char *user;
- char *id;
- {
- struct utmpx utx;
-
- memset((char *) &utx, 0, sizeof(utx));
- strncpy(utx.ut_id, id, sizeof(utx.ut_id));
- strncpy(utx.ut_user, user, sizeof(utx.ut_user));
- strncpy(utx.ut_line, line, sizeof(utx.ut_line));
- utx.ut_pid = getpid();
- utx.ut_type = LOGIN_PROCESS;
- gettimeofday(&(utx.ut_tv));
- pututxline(&utx);
- updwtmpx(WTMPX_FILE, &utx);
- endutxent();
- }
-
- /* utmpx_ptsid - generate utmp id for pseudo terminal */
-
- char *utmpx_ptsid(line, tag)
- char *line;
- char *tag;
- {
- int num;
- static char buf[4];
-
- /*
- * Derive utmp ID from pty slave number and application-specific tag.
- * SYSV4 uses a different but undocumented algorithm.
- */
-
- if (sscanf(line, "%*[^0-9]%d", &num) != 1 || num > 255) {
- syslog(LOG_ERR, "unparseable pty slave name: %s", line);
- _exit(1);
- }
- sprintf(buf, "%.2s%02x", tag, num);
- return (buf);
- }
-
-