TODO: s3:smbd: Add OpenBSD utmp support

diff --git a/source3/smbd/utmp.c b/source3/smbd/utmp.c
index 17b1e0d8506f039727f0e0c6e1fdd2075d8d2425..497ba4eb930050b5cd651a8abab2b2e0cca8f679 100644 (file)
--- a/source3/smbd/utmp.c
+++ b/source3/smbd/utmp.c
@@ -253,14 +253,64 @@ static char *uw_pathname(TALLOC_CTX *ctx,
 }
 
 #ifndef HAVE_PUTUTLINE
+#include <ttyent.h>
+
 /****************************************************************************
  Update utmp file directly.  No subroutine interface: probably a BSD system.
 ****************************************************************************/
 
 static void pututline_my(const char *uname, struct utmp *u, bool claim)
 {
-       DEBUG(1,("pututline_my: not yet implemented\n"));
-       /* BSD implementor: may want to consider (or not) adjusting "lastlog" */
+       int fd, topslot;
+       struct utmp ubuf;
+
+       if ((fd = open(uname, O_RDWR, 0)) < 0) {
+               return;
+       }
+
+       if (!setttyent()) {
+               return;
+       }
+
+       for (topslot = 0; getttyent() != (struct ttyent *)NULL; ) {
+               topslot++;
+       }
+
+       if (!endttyent()) {
+               return;
+       }
+
+       (void) lseek(fd, (off_t)(topslot * sizeof(struct utmp)), SEEK_SET);
+
+       DEBUG(1,("pututline(%s, %s, %d); topslot=%d\n",
+                u->ut_line, u->ut_name, claim, topslot));
+
+       while (true) {
+               if (read(fd, &ubuf, sizeof(ubuf)) == sizeof(ubuf)) {
+                       if ((claim && !ubuf.ut_name[0]) ||
+                           (!claim && ubuf.ut_name[0] &&
+                           !strncmp(ubuf.ut_line, u->ut_line, UT_LINESIZE)))
+                       {
+                               (void)lseek(fd, -(off_t)sizeof(struct utmp),
+                                           SEEK_CUR);
+                               break;
+                       }
+                       topslot++;
+               } else {
+                       (void)lseek(fd, (off_t)(topslot * sizeof(struct utmp)),
+                                   SEEK_SET);
+                       break;
+               }
+       }
+
+       if (!claim) {
+               memset((char *)&u->ut_name, '\0', sizeof(u->ut_name));
+               memset((char *)&u->ut_host, '\0', sizeof(u->ut_host));
+       }
+
+       (void)write(fd, u, sizeof(struct utmp));
+
+       (void)close(fd);
 }
 #endif /* HAVE_PUTUTLINE */