From 10ddde3aee60d88fa580028fcf7642a87e80a2c6 Mon Sep 17 00:00:00 2001
From: aj <none@none>
Date: Thu, 21 Jun 2007 10:39:47 -0700
Subject: 6535551 TX DA GUI behaves incorrectly if multiple rapid updates to TX
 DA database are done 6542809 TX: add_allocatable/remove_allocatable don't
 play well with other instances of themselves 6545689 device_clean scripts
 should be able to return a "CANCEL" return code 6549055 TX: deallocate(1),
 list_devices(1) should allow operation on classes of devices

---
 usr/src/lib/libbsm/common/devalloc.c | 45 +++++++++++++++++++++++++-----------
 usr/src/lib/libbsm/common/devalloc.h | 11 ++++-----
 usr/src/lib/libbsm/common/devices.h  | 11 +++++----
 3 files changed, 42 insertions(+), 25 deletions(-)

(limited to 'usr/src/lib/libbsm/common')

diff --git a/usr/src/lib/libbsm/common/devalloc.c b/usr/src/lib/libbsm/common/devalloc.c
index 08db0f0325..e39b57fa23 100644
--- a/usr/src/lib/libbsm/common/devalloc.c
+++ b/usr/src/lib/libbsm/common/devalloc.c
@@ -20,7 +20,7 @@
  */
 
 /*
- * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
@@ -849,6 +849,11 @@ int
 _da_lock_devdb(char *rootdir)
 {
 	int		lockfd = -1;
+	int		ret;
+	int		count = 0;
+	int		retry = 10;
+	int		retry_sleep;
+	uint_t		seed;
 	char		*lockfile;
 	char		path[MAXPATHLEN];
 	int		size = sizeof (path);
@@ -873,14 +878,27 @@ _da_lock_devdb(char *rootdir)
 		(void) close(lockfd);
 		return (-1);
 	}
-	if (lockf(lockfd, F_TLOCK, 0) == -1) {
-		/* cannot set lock */
-		(void) close(lockfd);
-		return (-1);
+	errno = 0;
+	while (retry > 0) {
+		count++;
+		seed = (uint_t)gethrtime();
+		ret = lockf(lockfd, F_TLOCK, 0);
+		if (ret == 0) {
+			(void) utime(lockfile, NULL);
+			return (lockfd);
+		}
+		if ((errno != EACCES) && (errno != EAGAIN)) {
+			/* cannot set lock */
+			(void) close(lockfd);
+			return (-1);
+		}
+		retry--;
+		retry_sleep = rand_r(&seed)/((RAND_MAX + 2)/3) + count;
+		(void) sleep(retry_sleep);
+		errno = 0;
 	}
-	(void) utime(lockfile, NULL);
 
-	return (lockfd);
+	return (-1);
 }
 
 /*
@@ -1160,10 +1178,10 @@ da_update_device(da_args *dargs)
 	int		tafd = -1, tmfd = -1;
 	int		lockfd = -1;
 	char		*rootdir = NULL;
-	char		*apathp = NULL, *mpathp = NULL, *dapathp = NULL,
-			*dmpathp = NULL;
-	char		apath[MAXPATHLEN], mpath[MAXPATHLEN],
-			dapath[MAXPATHLEN], dmpath[MAXPATHLEN];
+	char		*apathp = NULL, *mpathp = NULL;
+	char		*dapathp = NULL, *dmpathp = NULL;
+	char		apath[MAXPATHLEN], mpath[MAXPATHLEN];
+	char		dapath[MAXPATHLEN], dmpath[MAXPATHLEN];
 	FILE		*tafp = NULL, *tmfp = NULL, *dafp = NULL;
 	struct stat	dastat;
 	devinfo_t	*devinfo;
@@ -1620,12 +1638,11 @@ da_remove_list(devlist_t *dlist, char *link, int type, char *devname, int size)
 				if (plen == 0) {
 					slen =
 					    snprintf(current->devinfo.devlist,
-						nlen, "%s", lname);
+					    nlen, "%s", lname);
 				} else {
 					slen =
 					    snprintf(current->devinfo.devlist +
-						plen, nlen - plen, " %s",
-						lname);
+					    plen, nlen - plen, " %s", lname);
 				}
 				plen = plen + slen + 1;
 			}
diff --git a/usr/src/lib/libbsm/common/devalloc.h b/usr/src/lib/libbsm/common/devalloc.h
index 7952a302f5..12ec8732d2 100644
--- a/usr/src/lib/libbsm/common/devalloc.h
+++ b/usr/src/lib/libbsm/common/devalloc.h
@@ -20,7 +20,7 @@
  */
 
 /*
- * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
@@ -44,6 +44,9 @@ extern "C" {
 
 #define	DA_UID			(uid_t)0	/* root */
 #define	DA_GID			(gid_t)3	/* sys */
+#define	ALLOC_MODE		0600
+#define	DEALLOC_MODE    	0000
+
 #define	LOGINDEVPERM		"/etc/logindevperm"
 #define	DA_DB_LOCK		"/etc/security/.da_db_lock"
 #define	DA_DEV_LOCK		"/etc/security/.da_dev_lock"
@@ -79,12 +82,6 @@ extern "C" {
 #define	DA_ANYUSER		"*"
 #define	DA_NOUSER		"@"
 
-#define	ALLOC_UID	(uid_t)0	/* root */
-#define	ALLOC_GID	(gid_t)3	/* sys */
-#define	ALLOC_ERRID	(uid_t)2	/* bin */
-#define	ALLOC_MODE	0600
-#define	DEALLOC_MODE    0000
-
 #define	DA_SILENT		0x00000001
 #define	DA_VERBOSE		0x00000002
 #define	DA_ADD			0x00000004
diff --git a/usr/src/lib/libbsm/common/devices.h b/usr/src/lib/libbsm/common/devices.h
index 04a3edceea..7b413eaca8 100644
--- a/usr/src/lib/libbsm/common/devices.h
+++ b/usr/src/lib/libbsm/common/devices.h
@@ -19,7 +19,7 @@
  * CDDL HEADER END
  */
 /*
- * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
@@ -35,17 +35,20 @@ extern "C" {
 #include <stdio.h>
 #include <secdb.h>
 
-/*
- * These are unsupported, SUN-private interfaces.
- */
 
 #define	DAOPT_AUTHS	"auths"
+#define	DAOPT_CLASS	"class"
 #define	DAOPT_CSCRIPT	"cleanscript"
 #define	DAOPT_MINLABEL	"minlabel"
 #define	DAOPT_MAXLABEL	"maxlabel"
+#define	DAOPT_XDISPLAY	"xdpy"
 #define	DAOPT_ZONE	"zone"
 #define	DA_RESERVED	"reserved"
 
+/*
+ * These are unsupported, SUN-private interfaces.
+ */
+
 typedef struct {
 	char	*da_devname;
 	char	*da_devtype;
-- 
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