X-Git-Url: https://git.wh0rd.org/?p=dump.git;a=blobdiff_plain;f=rmt%2Frmt.c;h=2af48e3e0cd7f8560c2946a1faeb449c5da66169;hp=64fc4ab023b2fce60c4352e57caa4e1a38f508f6;hb=97d9098250fd2a49d9ef70d6bf93f49badff0f6c;hpb=aca7d867ae18bd62627f16ef90e58b433b881056

diff --git a/rmt/rmt.c b/rmt/rmt.c
index 64fc4ab..2af48e3 100644
--- a/rmt/rmt.c
+++ b/rmt/rmt.c
@@ -2,8 +2,8 @@
  *	Ported to Linux's Second Extended File System as part of the
  *	dump and restore backup suit
  *	Remy Card <card@Linux.EU.Org>, 1994-1997
- *	Stelian Pop <pop@noos.fr>, 1999-2000
- *	Stelian Pop <pop@noos.fr> - Alcôve <www.alcove.fr>, 2000
+ *	Stelian Pop <stelian@popies.net>, 1999-2000
+ *	Stelian Pop <stelian@popies.net> - Alcôve <www.alcove.com>, 2000-2002
  */
 
 /*
@@ -41,13 +41,14 @@
 
 #ifndef lint
 static const char rcsid[] =
-	"$Id: rmt.c,v 1.13 2001/03/28 12:59:49 stelian Exp $";
+	"$Id: rmt.c,v 1.17 2002/04/12 13:02:16 stelian Exp $";
 #endif /* not linux */
 
 /*
  * rmt
  */
 #include <config.h>
+#include <compatlfs.h>
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <sys/mtio.h>
@@ -77,6 +78,32 @@ FILE	*debug;
 #define	DEBUG1(f,a)	if (debug) fprintf(debug, f, a)
 #define	DEBUG2(f,a1,a2)	if (debug) fprintf(debug, f, a1, a2)
 
+/*
+ * Support for Sun's extended RMT protocol
+ * 	code originally written by Jörg Schilling <schilling@fokus.gmd.de>
+ * 	and relicensed by his permission from GPL to BSD for use in dump.
+ */
+#define RMTI_VERSION    -1
+#define RMT_VERSION 1
+ 
+/* Extended 'i' commands */
+#define RMTI_CACHE  0
+#define RMTI_NOCACHE    1
+#define RMTI_RETEN  2
+#define RMTI_ERASE  3
+#define RMTI_EOM    4
+#define RMTI_NBSF   5
+ 
+/* Extended 's' comands */
+#define MTS_TYPE    'T'
+#define MTS_DSREG   'D'
+#define MTS_ERREG   'E'
+#define MTS_RESID   'R'
+#define MTS_FILENO  'F'
+#define MTS_BLKNO   'B'
+#define MTS_FLAGS   'f'
+#define MTS_BF      'b'
+
 char	*checkbuf __P((char *, int));
 void	 error __P((int));
 void	 getstring __P((char *));
@@ -114,7 +141,7 @@ top:
 		 * specify the permission bits; allow rw for everyone,
 		 * as modified by the users umask
 		 */
-		tape = open(device, atoi(filemode), 0666);
+		tape = OPEN(device, atoi(filemode), 0666);
 		if (tape < 0)
 			goto ioerror;
 		block = 0;
@@ -133,7 +160,7 @@ top:
 		getstring(count);
 		getstring(pos);
 		DEBUG2("rmtd: L %s %s\n", count, pos);
-		rval = lseek(tape, (off_t)atol(count), atoi(pos));
+		rval = LSEEK(tape, (off_t)atol(count), atoi(pos));
 		if (rval < 0)
 			goto ioerror;
 		goto respond;
@@ -174,7 +201,10 @@ top:
 		getstring(op);
 		getstring(count);
 		DEBUG2("rmtd: I %s %s\n", op, count);
-		{ struct mtop mtop;
+		if (atoi(op) == RMTI_VERSION) {
+			rval = RMT_VERSION;
+		} else { 
+		  struct mtop mtop;
 		  mtop.mt_op = atoi(op);
 		  mtop.mt_count = atoi(count);
 		  if (ioctl(tape, MTIOCTOP, (char *)&mtop) < 0)
@@ -183,6 +213,56 @@ top:
 		}
 		goto respond;
 
+	case 'i':
+	{	struct mtop mtop;
+ 
+		getstring (op);
+		getstring (count);
+		DEBUG2 ("rmtd: i %s %s\n", op, count);
+		switch (atoi(op)) {
+#ifdef MTCACHE
+			case RMTI_CACHE:
+				mtop.mt_op = MTCACHE;
+				break;
+#endif
+#ifdef MTNOCACHE
+			case RMTI_NOCACHE:
+				mtop.mt_op = MTNOCACHE;
+				break;
+#endif
+#ifdef MTRETEN
+			case RMTI_RETEN:
+				mtop.mt_op = MTRETEN;
+				break;
+#endif
+#ifdef MTERASE
+			case RMTI_ERASE:
+				mtop.mt_op = MTERASE;
+				break;
+#endif
+#ifdef MTEOM
+			case RMTI_EOM:
+				mtop.mt_op = MTEOM;
+				break;
+#endif
+#ifdef MTNBSF
+			case RMTI_NBSF:
+				mtop.mt_op = MTNBSF;
+				break;
+#endif
+			default:
+				errno = EINVAL;
+				goto ioerror;
+		}
+		mtop.mt_count = atoi (count);
+		if (ioctl (tape, MTIOCTOP, (char *) &mtop) < 0)
+			goto ioerror;
+
+		rval = mtop.mt_count;
+
+		goto respond;
+	}
+
 	case 'S':		/* status */
 		DEBUG("rmtd: S\n");
 		{ struct mtget mtget;
@@ -195,6 +275,49 @@ top:
 		  goto top;
 		}
 
+	case 's':
+	{	char s;
+		struct mtget mtget;
+ 
+		if (read (0, &s, 1) != 1)
+			goto top;
+ 
+		if (ioctl (tape, MTIOCGET, (char *) &mtget) < 0)
+			goto ioerror;
+
+		switch (s) {
+			case MTS_TYPE:
+				rval = mtget.mt_type;
+				break;
+			case MTS_DSREG:
+				rval = mtget.mt_dsreg;
+				break;
+			case MTS_ERREG:
+				rval = mtget.mt_erreg;
+				break;
+			case MTS_RESID:
+				rval = mtget.mt_resid;
+				break;
+			case MTS_FILENO:
+				rval = mtget.mt_fileno;
+				break;
+			case MTS_BLKNO:
+				rval = mtget.mt_blkno;
+				break;
+			case MTS_FLAGS:
+				rval = mtget.mt_gstat;
+				break;
+			case MTS_BF:
+				rval = 0;
+				break;
+			default:
+				errno = EINVAL;
+				goto ioerror;
+		}
+
+		goto respond;
+	}
+
         case 'V':               /* version */
                 getstring(op);
                 DEBUG1("rmtd: V %s\n", op);