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authormarkm <markm@FreeBSD.org>1997-09-04 06:04:33 +0000
committermarkm <markm@FreeBSD.org>1997-09-04 06:04:33 +0000
commita8a89cfaf983bc64f4b42f7c35209a5a36dd0fe8 (patch)
tree0b84977f19022a965f8c6145f067f951173f6290 /crypto/kerberosIV/appl/bsd/utmpx_login.c
downloadFreeBSD-src-a8a89cfaf983bc64f4b42f7c35209a5a36dd0fe8.zip
FreeBSD-src-a8a89cfaf983bc64f4b42f7c35209a5a36dd0fe8.tar.gz
Initial import of KTH eBones. This has been cleaned up to only include
the "core" Kerberos functionality. The rest of the userland will get their own changes later.
Diffstat (limited to 'crypto/kerberosIV/appl/bsd/utmpx_login.c')
-rw-r--r--crypto/kerberosIV/appl/bsd/utmpx_login.c88
1 files changed, 88 insertions, 0 deletions
diff --git a/crypto/kerberosIV/appl/bsd/utmpx_login.c b/crypto/kerberosIV/appl/bsd/utmpx_login.c
new file mode 100644
index 0000000..005eca5
--- /dev/null
+++ b/crypto/kerberosIV/appl/bsd/utmpx_login.c
@@ -0,0 +1,88 @@
+/* Author: Wietse Venema <wietse@wzv.win.tue.nl> */
+
+#include "bsd_locl.h"
+
+RCSID("$Id: utmpx_login.c,v 1.20 1997/06/01 03:13:15 assar Exp $");
+
+/* utmpx_login - update utmp and wtmp after login */
+
+#ifndef HAVE_UTMPX_H
+int utmpx_login(char *line, char *user, char *host) { return 0; }
+#else
+
+static void
+utmpx_update(struct utmpx *ut, char *line, char *user, char *host)
+{
+ struct timeval tmp;
+ char *clean_tty = clean_ttyname(line);
+
+ strncpy(ut->ut_line, clean_tty, sizeof(ut->ut_line));
+#ifdef HAVE_UT_ID
+ strncpy(ut->ut_id, make_id(clean_tty), sizeof(ut->ut_id));
+#endif
+ strncpy(ut->ut_user, user, sizeof(ut->ut_user));
+ strncpy(ut->ut_host, host, sizeof(ut->ut_host));
+#ifdef HAVE_UT_SYSLEN
+ ut->ut_syslen = strlen(host) + 1;
+ if (ut->ut_syslen > sizeof(ut->ut_host))
+ ut->ut_syslen = sizeof(ut->ut_host);
+#endif
+ ut->ut_type = USER_PROCESS;
+ gettimeofday (&tmp, 0);
+ ut->ut_tv.tv_sec = tmp.tv_sec;
+ ut->ut_tv.tv_usec = tmp.tv_usec;
+ pututxline(ut);
+#ifdef WTMPX_FILE
+ updwtmpx(WTMPX_FILE, ut);
+#elif defined(WTMP_FILE)
+ {
+ struct utmp utmp;
+ int fd;
+
+ prepare_utmp (&utmp, line, user, host);
+ if ((fd = open(_PATH_WTMP, O_WRONLY|O_APPEND, 0)) >= 0) {
+ write(fd, &utmp, sizeof(struct utmp));
+ close(fd);
+ }
+ }
+#endif
+}
+
+int
+utmpx_login(char *line, char *user, char *host)
+{
+ struct utmpx *ut;
+ pid_t mypid = getpid();
+ int ret = (-1);
+
+ /*
+ * SYSV4 ttymon and login use tty port names with the "/dev/" prefix
+ * stripped off. Rlogind and telnetd, on the other hand, make utmpx
+ * entries with device names like /dev/pts/nnn. We therefore cannot use
+ * getutxline(). Return nonzero if no utmp entry was found with our own
+ * process ID for a login or user process.
+ */
+
+ while ((ut = getutxent())) {
+ /* Try to find a reusable entry */
+ if (ut->ut_pid == mypid
+ && ( ut->ut_type == INIT_PROCESS
+ || ut->ut_type == LOGIN_PROCESS
+ || ut->ut_type == USER_PROCESS)) {
+ utmpx_update(ut, line, user, host);
+ ret = 0;
+ break;
+ }
+ }
+ if (ret == -1) {
+ /* Grow utmpx file by one record. */
+ struct utmpx newut;
+ memset(&newut, 0, sizeof(newut));
+ newut.ut_pid = mypid;
+ utmpx_update(&newut, line, user, host);
+ ret = 0;
+ }
+ endutxent();
+ return (ret);
+}
+#endif /* HAVE_UTMPX_H */
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