Mercurial > illumos > illumos-gate

changeset 13676:98ca40df9171

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2579 nscd contains several bad macros with side effects Reviewed by: Joshua M. Clulow <josh@sysmgr.org> Reviewed by: Vitaliy Gusev <gusev.vitaliy@nexenta.com> Approved by: Garrett D'Amore <garrett@damore.org>
author Milan Jurik <milan.jurik@xylab.cz>
date Thu, 19 Apr 2012 13:45:01 -0500
parents a9ae30c28ee4
children a0cbef703c12
files usr/src/cmd/nscd/cache.c usr/src/cmd/nscd/nscd_admin.c usr/src/cmd/nscd/nscd_door.c usr/src/cmd/nscd/nscd_door.h usr/src/cmd/nscd/nscd_frontend.c usr/src/cmd/nscd/nscd_selfcred.c usr/src/cmd/nscd/nscd_switch.c
diffstat 7 files changed, 288 insertions(+), 258 deletions(-) [+]
line wrap: on
line diff
--- a/usr/src/cmd/nscd/cache.c	Wed Apr 25 00:27:21 2012 -0400
+++ b/usr/src/cmd/nscd/cache.c	Thu Apr 19 13:45:01 2012 -0500
@@ -20,6 +20,7 @@
  */
 /*
  * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2012 Milan Jurik. All rights reserved.
  */
 
 /*
@@ -692,11 +693,11 @@
  */
 nsc_db_t *
 make_cache(enum db_type dbtype, int dbop, char *name,
-		int (*compar) (const void *, const void *),
-		void (*getlogstr)(char *, char *, size_t, nss_XbyY_args_t *),
-		uint_t (*gethash)(nss_XbyY_key_t *, int),
-		enum hash_type httype, int htsize) {
-
+    int (*compar) (const void *, const void *),
+    void (*getlogstr)(char *, char *, size_t, nss_XbyY_args_t *),
+    uint_t (*gethash)(nss_XbyY_key_t *, int),
+    enum hash_type httype, int htsize)
+{
 	nsc_db_t	*nscdb;
 	char		*me = "make_cache";
 
@@ -728,7 +729,7 @@
 
 	/* The cache is an AVL tree */
 	avl_create(&nscdb->tree, nscdb->compar, sizeof (nsc_entry_t),
-			offsetof(nsc_entry_t, avl_link));
+	    offsetof(nsc_entry_t, avl_link));
 
 	/* Assign log routine */
 	if (getlogstr == NULL) {
@@ -957,7 +958,7 @@
  */
 void
 nsc_info(nsc_ctx_t *ctx, char *dbname, nscd_cfg_cache_t cfg[],
-	nscd_cfg_stat_cache_t stats[])
+    nscd_cfg_stat_cache_t stats[])
 {
 	int		i;
 	char		*me = "nsc_info";
@@ -1040,7 +1041,8 @@
  * not a daemon.
  */
 int
-nsc_dump(char *dbname, int dbop) {
+nsc_dump(char *dbname, int dbop)
+{
 	nsc_ctx_t	*ctx;
 	nsc_db_t	*nscdb;
 	nscd_bool_t	enabled;
@@ -1091,35 +1093,38 @@
 /*
  * These macros are for exclusive use of nsc_lookup
  */
-#define	NSC_LOOKUP_RETURN(retcode, loglevel, fmt) \
-	(void) mutex_unlock(&nscdb->db_mutex); \
+#define	NSC_LOOKUP_LOG(loglevel, fmt) \
 	_NSCD_LOG(NSCD_LOG_CACHE, NSCD_LOG_LEVEL_##loglevel) \
-		(me, fmt, whoami); \
-	return (retcode);
+		(me, fmt, whoami);
+
+static int
+nsc_lookup_no_cache(nsc_lookup_args_t *largs, const char *str)
+{
+	char *me = "nsc_lookup_no_cache";
+	nss_status_t status;
 
-#define	NSC_LOOKUP_NO_CACHE(str) \
-	_NSCD_LOG(NSCD_LOG_CACHE, NSCD_LOG_LEVEL_DEBUG) \
-		(me, "%s: name service lookup (bypassing cache\n", \
-		str); \
-	nss_psearch(largs->buffer, largs->bufsize); \
-	status = NSCD_GET_STATUS(largs->buffer); \
-	_NSCD_LOG(NSCD_LOG_CACHE, NSCD_LOG_LEVEL_DEBUG) \
-		(me, "%s: name service lookup status = %d\n", \
-		str, status); \
-	if (status == NSS_SUCCESS) { \
-		return (SUCCESS); \
-	} else if (status == NSS_NOTFOUND) \
-		return (NOTFOUND); \
-	else \
+	_NSCD_LOG(NSCD_LOG_CACHE, NSCD_LOG_LEVEL_DEBUG)
+		(me, "%s: name service lookup (bypassing cache)\n", str);
+	nss_psearch(largs->buffer, largs->bufsize);
+	status = NSCD_GET_STATUS(largs->buffer);
+	_NSCD_LOG(NSCD_LOG_CACHE, NSCD_LOG_LEVEL_DEBUG)
+		(me, "%s: name service lookup status = %d\n", str, status);
+	if (status == NSS_SUCCESS) {
+		return (SUCCESS);
+	} else if (status == NSS_NOTFOUND) {
+		return (NOTFOUND);
+	} else {
 		return (SERVERERROR);
+	}
+}
 
 /*
  * This function starts the revalidation and reaper threads
  * for a cache
  */
 static void
-start_threads(nsc_ctx_t *ctx) {
-
+start_threads(nsc_ctx_t *ctx)
+{
 	int	errnum;
 	char	*me = "start_threads";
 
@@ -1128,11 +1133,11 @@
 	 */
 	if (ctx->revalidate_on != nscd_true) {
 		if (thr_create(NULL, NULL, (void *(*)(void *))revalidate,
-			ctx, 0, NULL) != 0) {
+		    ctx, 0, NULL) != 0) {
 			errnum = errno;
 			_NSCD_LOG(NSCD_LOG_CACHE, NSCD_LOG_LEVEL_ERROR)
-		(me, "thr_create (revalidate thread for %s): %s\n",
-			ctx->dbname, strerror(errnum));
+			(me, "thr_create (revalidate thread for %s): %s\n",
+			    ctx->dbname, strerror(errnum));
 			exit(1);
 		}
 		ctx->revalidate_on = nscd_true;
@@ -1143,11 +1148,11 @@
 	 */
 	if (ctx->reaper_on != nscd_true) {
 		if (thr_create(NULL, NULL, (void *(*)(void *))reaper,
-			ctx, 0, NULL) != 0) {
+		    ctx, 0, NULL) != 0) {
 			errnum = errno;
 			_NSCD_LOG(NSCD_LOG_CACHE, NSCD_LOG_LEVEL_ERROR)
-		(me, "thr_create (reaper thread for %s): %s\n",
-			ctx->dbname, strerror(errnum));
+			(me, "thr_create (reaper thread for %s): %s\n",
+			    ctx->dbname, strerror(errnum));
 			exit(1);
 		}
 		ctx->reaper_on = nscd_true;
@@ -1239,11 +1244,10 @@
 
 static int
 check_config(nsc_lookup_args_t *largs, nscd_cfg_cache_t *cfgp,
-	char *whoami, int flag)
+    char *whoami, int flag)
 {
 	nsc_db_t	*nscdb;
 	nsc_ctx_t	*ctx;
-	nss_status_t	status;
 	char		*me = "check_config";
 
 	ctx = largs->ctx;
@@ -1267,18 +1271,16 @@
 
 		if (UPDATEBIT & flag)
 			return (NOTFOUND);
-		else {
-			NSC_LOOKUP_NO_CACHE(whoami);
-		}
+		else
+			return (nsc_lookup_no_cache(largs, whoami));
 	}
 
 	/*
 	 * if caller requests lookup using his
 	 * own nsswitch config, bypass cache
 	 */
-	if (nsw_config_in_phdr(largs->buffer)) {
-		NSC_LOOKUP_NO_CACHE(whoami);
-	}
+	if (nsw_config_in_phdr(largs->buffer))
+		return (nsc_lookup_no_cache(largs, whoami));
 
 	/* no need of cache if we are dealing with 0 ttls */
 	if (cfgp->pos_ttl <= 0 && cfgp->neg_ttl <= 0) {
@@ -1286,7 +1288,7 @@
 			return (NOTFOUND);
 		else if (cfgp->avoid_ns == nscd_true)
 			return (SERVERERROR);
-		NSC_LOOKUP_NO_CACHE(whoami);
+		return (nsc_lookup_no_cache(largs, whoami));
 	}
 
 	return (CONTINUE);
@@ -1298,7 +1300,7 @@
  */
 static void
 check_db_file(nsc_ctx_t *ctx, nscd_cfg_cache_t cfg,
-	char *whoami, time_t now)
+    char *whoami, time_t now)
 {
 	struct stat	buf;
 	nscd_bool_t	file_modified = nscd_false;
@@ -1343,8 +1345,8 @@
 }
 
 static int
-lookup_int(nsc_lookup_args_t *largs, int flag) {
-
+lookup_int(nsc_lookup_args_t *largs, int flag)
+{
 	nsc_ctx_t		*ctx;
 	nsc_db_t		*nscdb;
 	nscd_cfg_cache_t	cfg;
@@ -1364,7 +1366,7 @@
 
 	/* extract dbop, dbname, key and cred */
 	status = nss_packed_getkey(largs->buffer, largs->bufsize, &dbname,
-				&dbop, &args);
+	    &dbop, &args);
 	if (status != NSS_SUCCESS) {
 		_NSCD_LOG(NSCD_LOG_CACHE, NSCD_LOG_LEVEL_ERROR)
 			(me, "nss_packed_getkey failure (%d)\n", status);
@@ -1379,9 +1381,8 @@
 
 			if (UPDATEBIT & flag)
 				return (NOTFOUND);
-			else {
-				NSC_LOOKUP_NO_CACHE(dbname);
-			}
+			else
+				return (nsc_lookup_no_cache(largs, dbname));
 		}
 	}
 	ctx = largs->ctx;
@@ -1390,13 +1391,12 @@
 		if ((largs->nscdb = nsc_get_db(ctx, dbop)) == NULL) {
 			_NSCD_LOG(NSCD_LOG_CACHE, NSCD_LOG_LEVEL_WARNING)
 				(me, "%s:%d: no cache found\n",
-				dbname, dbop);
+				    dbname, dbop);
 
 			if (UPDATEBIT & flag)
 				return (NOTFOUND);
-			else {
-				NSC_LOOKUP_NO_CACHE(dbname);
-			}
+			else
+				return (nsc_lookup_no_cache(largs, dbname));
 		}
 	}
 
@@ -1404,7 +1404,7 @@
 
 	_NSCD_LOG_IF(NSCD_LOG_CACHE, NSCD_LOG_LEVEL_ALL) {
 		(void) nscdb->getlogstr(nscdb->name, whoami,
-			sizeof (whoami), &args);
+		    sizeof (whoami), &args);
 	}
 
 	if (UPDATEBIT & flag) {
@@ -1436,7 +1436,7 @@
 
 			/* Either no entry and avoid name service */
 			if (rc == NSCD_DB_ENTRY_NOT_FOUND ||
-					rc == NSCD_INVALID_ARGUMENT)
+			    rc == NSCD_INVALID_ARGUMENT)
 				return (NOTFOUND);
 
 			/* OR memory error */
@@ -1483,10 +1483,10 @@
 			if (cfg.avoid_ns == nscd_true)
 				next_action = _NSC_USECACHED;
 			else if ((flag & UPDATEBIT) ||
-					(this_stats->timestamp < now)) {
+			    (this_stats->timestamp < now)) {
 				_NSCD_LOG(NSCD_LOG_CACHE, NSCD_LOG_LEVEL_DEBUG)
 			(me, "%s: cached entry needs to be updated\n",
-				whoami);
+			    whoami);
 				next_action = _NSC_NSLOOKUP;
 			} else
 				next_action = _NSC_USECACHED;
@@ -1506,8 +1506,10 @@
 				_NSCD_LOG(NSCD_LOG_CACHE,
 				    NSCD_LOG_LEVEL_DEBUG_6)
 				(me, "%s: throttling load\n", whoami);
-				NSC_LOOKUP_RETURN(NOSERVER, WARNING,
-				"%s: no clearance to wait\n");
+				(void) mutex_unlock(&nscdb->db_mutex);
+				NSC_LOOKUP_LOG(WARNING,
+				    "%s: no clearance to wait\n");
+				return (NOSERVER);
 			}
 			/* yes can wait */
 			(void) nscd_wait(ctx, nscdb, this_entry);
@@ -1535,13 +1537,15 @@
 			(void) mutex_lock(&ctx->stats_mutex);
 			ctx->stats.drop_count++;
 			(void) mutex_unlock(&ctx->stats_mutex);
-			NSC_LOOKUP_RETURN(NOSERVER, WARNING,
-			"%s: no clearance for lookup\n");
+			(void) mutex_unlock(&nscdb->db_mutex);
+			NSC_LOOKUP_LOG(WARNING,
+			    "%s: no clearance for lookup\n");
+			return (NOSERVER);
 		}
 
 		/* block any threads accessing this entry */
-		this_stats->status = (flag & UPDATEBIT)?
-				ST_UPDATE_PENDING:ST_LOOKUP_PENDING;
+		this_stats->status = (flag & UPDATEBIT) ?
+		    ST_UPDATE_PENDING : ST_LOOKUP_PENDING;
 
 		/* release lock and do name service lookup */
 		(void) mutex_unlock(&nscdb->db_mutex);
@@ -1556,7 +1560,7 @@
 
 		_NSCD_LOG(NSCD_LOG_CACHE, NSCD_LOG_LEVEL_DEBUG)
 		(me, "%s: name service lookup status = %d\n",
-			whoami, status);
+		    whoami, status);
 
 		if (status == NSS_SUCCESS) {
 			int ttl;
@@ -1568,20 +1572,24 @@
 			status = dup_packed_buffer(largs, this_entry);
 			if (status != NSS_SUCCESS) {
 				delete_entry(nscdb, ctx, this_entry);
-				NSC_LOOKUP_RETURN(SERVERERROR, ERROR,
-				"%s: failed to update cache\n");
+				(void) mutex_unlock(&nscdb->db_mutex);
+				NSC_LOOKUP_LOG(ERROR,
+				    "%s: failed to update cache\n");
+				return (SERVERERROR);
 			}
 
 			/*
 			 * store unpacked key in cache
 			 */
 			status = nss_packed_getkey(this_entry->buffer,
-					this_entry->bufsize,
-					&dbname, &dbop, &args);
+			    this_entry->bufsize,
+			    &dbname, &dbop, &args);
 			if (status != NSS_SUCCESS) {
 				delete_entry(nscdb, ctx, this_entry);
-				NSC_LOOKUP_RETURN(SERVERERROR, ERROR,
-				"%s: failed to extract key\n");
+				(void) mutex_unlock(&nscdb->db_mutex);
+				NSC_LOOKUP_LOG(ERROR,
+				    "%s: failed to extract key\n");
+				return (SERVERERROR);
 			}
 			this_entry->key = args.key; /* struct copy */
 
@@ -1605,8 +1613,10 @@
 			 */
 			start_threads(ctx);
 
-			NSC_LOOKUP_RETURN(SUCCESS, DEBUG,
-			"%s: cache updated with positive entry\n");
+			(void) mutex_unlock(&nscdb->db_mutex);
+			NSC_LOOKUP_LOG(DEBUG,
+			    "%s: cache updated with positive entry\n");
+			return (SUCCESS);
 		} else if (status == NSS_NOTFOUND) {
 			/*
 			 * data not found in name service
@@ -1617,25 +1627,32 @@
 
 			if (NSCD_GET_ERRNO(largs->buffer) == ERANGE) {
 				delete_entry(nscdb, ctx, this_entry);
-				NSC_LOOKUP_RETURN(NOTFOUND, DEBUG,
-		"%s: ERANGE, cache not updated with negative entry\n");
+				(void) mutex_unlock(&nscdb->db_mutex);
+				NSC_LOOKUP_LOG(DEBUG,
+				    "%s: ERANGE, cache not updated "
+				    "with negative entry\n");
+				return (NOTFOUND);
 			}
 
 			status = dup_packed_buffer(largs, this_entry);
 			if (status != NSS_SUCCESS) {
 				delete_entry(nscdb, ctx, this_entry);
-				NSC_LOOKUP_RETURN(SERVERERROR, ERROR,
-				"%s: failed to update cache\n");
+				(void) mutex_unlock(&nscdb->db_mutex);
+				NSC_LOOKUP_LOG(ERROR,
+				    "%s: failed to update cache\n");
+				return (SERVERERROR);
 			}
 
 			/* store unpacked key in cache */
 			status = nss_packed_getkey(this_entry->buffer,
-					this_entry->bufsize,
-					&dbname, &dbop, &args);
+			    this_entry->bufsize,
+			    &dbname, &dbop, &args);
 			if (status != NSS_SUCCESS) {
 				delete_entry(nscdb, ctx, this_entry);
-				NSC_LOOKUP_RETURN(SERVERERROR, ERROR,
-				"%s: failed to extract key\n");
+				(void) mutex_unlock(&nscdb->db_mutex);
+				NSC_LOOKUP_LOG(ERROR,
+				    "%s: failed to extract key\n");
+				return (SERVERERROR);
 			}
 			this_entry->key = args.key; /* struct copy */
 
@@ -1655,8 +1672,10 @@
 			 */
 			start_threads(ctx);
 
-			NSC_LOOKUP_RETURN(NOTFOUND, DEBUG,
-			"%s: cache updated with negative entry\n");
+			(void) mutex_unlock(&nscdb->db_mutex);
+			NSC_LOOKUP_LOG(DEBUG,
+			    "%s: cache updated with negative entry\n");
+			return (NOTFOUND);
 		} else {
 			/*
 			 * name service lookup failed
@@ -1672,8 +1691,9 @@
 
 			(void) mutex_unlock(&nscdb->db_mutex);
 			_NSCD_LOG(NSCD_LOG_CACHE, NSCD_LOG_LEVEL_WARNING)
-	(me, "%s: name service lookup failed (status=%d, errno=%d)\n",
-				whoami, status, errnum);
+			(me, "%s: name service lookup failed "
+			    "(status=%d, errno=%d)\n",
+			    whoami, status, errnum);
 
 			return (SERVERERROR);
 		}
@@ -1682,12 +1702,13 @@
 		 * found entry in cache
 		 */
 		if (UPDATEBIT & flag) {
-			NSC_LOOKUP_RETURN(SUCCESS, DEBUG,
-			"%s: no need to update\n");
+			(void) mutex_unlock(&nscdb->db_mutex);
+			NSC_LOOKUP_LOG(DEBUG, "%s: no need to update\n");
+			return (SUCCESS);
 		}
 
 		if (NSCD_GET_STATUS((nss_pheader_t *)this_entry->buffer) ==
-			NSS_SUCCESS) {
+		    NSS_SUCCESS) {
 			/* positive hit */
 			(void) mutex_lock(&ctx->stats_mutex);
 			ctx->stats.pos_hits++;
@@ -1695,13 +1716,17 @@
 
 			/* update response buffer */
 			if (copy_result(largs->buffer,
-				this_entry->buffer) != NSS_SUCCESS) {
-				NSC_LOOKUP_RETURN(SERVERERROR, ERROR,
-				"%s: response buffer insufficient\n");
+			    this_entry->buffer) != NSS_SUCCESS) {
+				(void) mutex_unlock(&nscdb->db_mutex);
+				NSC_LOOKUP_LOG(ERROR,
+				    "%s: response buffer insufficient\n");
+				return (SERVERERROR);
 			}
 
-			NSC_LOOKUP_RETURN(SUCCESS, DEBUG,
-			"%s: positive entry in cache\n");
+			(void) mutex_unlock(&nscdb->db_mutex);
+			NSC_LOOKUP_LOG(DEBUG,
+			    "%s: positive entry in cache\n");
+			return (SUCCESS);
 		} else {
 			/* negative hit */
 			(void) mutex_lock(&ctx->stats_mutex);
@@ -1709,18 +1734,21 @@
 			(void) mutex_unlock(&ctx->stats_mutex);
 
 			NSCD_SET_STATUS((nss_pheader_t *)largs->buffer,
-				NSCD_GET_STATUS(this_entry->buffer),
-				NSCD_GET_ERRNO(this_entry->buffer));
+			    NSCD_GET_STATUS(this_entry->buffer),
+			    NSCD_GET_ERRNO(this_entry->buffer));
 			NSCD_SET_HERRNO((nss_pheader_t *)largs->buffer,
-				NSCD_GET_HERRNO(this_entry->buffer));
+			    NSCD_GET_HERRNO(this_entry->buffer));
 
-			NSC_LOOKUP_RETURN(NOTFOUND, DEBUG,
-			"%s: negative entry in cache\n");
+			(void) mutex_unlock(&nscdb->db_mutex);
+			NSC_LOOKUP_LOG(DEBUG,
+			    "%s: negative entry in cache\n");
+			return (NOTFOUND);
 		}
 	}
 
-	NSC_LOOKUP_RETURN(SERVERERROR, ERROR,
-	"%s: cache backend failure\n");
+	(void) mutex_unlock(&nscdb->db_mutex);
+	NSC_LOOKUP_LOG(ERROR, "%s: cache backend failure\n");
+	return (SERVERERROR);
 }
 
 /*
@@ -1741,11 +1769,11 @@
 	switch (rc) {
 
 	case SUCCESS:
-		NSCD_RETURN_STATUS(phdr, NSS_SUCCESS, 0);
+		NSCD_SET_STATUS(phdr, NSS_SUCCESS, 0);
 		break;
 
 	case NOTFOUND:
-		NSCD_RETURN_STATUS(phdr, NSS_NOTFOUND, -1);
+		NSCD_SET_STATUS(phdr, NSS_NOTFOUND, -1);
 		break;
 
 	case SERVERERROR:
@@ -1759,7 +1787,7 @@
 		break;
 
 	case NOSERVER:
-		NSCD_RETURN_STATUS(phdr, NSS_TRYLOCAL, -1);
+		NSCD_SET_STATUS(phdr, NSS_TRYLOCAL, -1);
 		break;
 	}
 }
@@ -1946,7 +1974,8 @@
  * Invalidate cache
  */
 void
-nsc_invalidate(nsc_ctx_t *ctx, char *dbname, nsc_ctx_t **ctxs) {
+nsc_invalidate(nsc_ctx_t *ctx, char *dbname, nsc_ctx_t **ctxs)
+{
 	int	i;
 	char	*me = "nsc_invalidate";
 
@@ -1957,16 +1986,14 @@
 
 	if (dbname) {
 		if ((i = get_cache_idx(dbname)) == -1) {
-			_NSCD_LOG(NSCD_LOG_CACHE,
-				NSCD_LOG_LEVEL_WARNING)
+			_NSCD_LOG(NSCD_LOG_CACHE, NSCD_LOG_LEVEL_WARNING)
 			(me, "%s: invalid cache name\n", dbname);
 			return;
 		}
 		if ((ctx = cache_ctx_p[i]) == NULL)  {
-			_NSCD_LOG(NSCD_LOG_CACHE,
-				NSCD_LOG_LEVEL_WARNING)
+			_NSCD_LOG(NSCD_LOG_CACHE, NSCD_LOG_LEVEL_WARNING)
 			(me, "%s: no cache context found\n",
-				dbname);
+			    dbname);
 			return;
 		}
 		ctx_invalidate(ctx);
@@ -1987,7 +2014,8 @@
  * Invalidate cache by context
  */
 static void
-ctx_invalidate(nsc_ctx_t *ctx) {
+ctx_invalidate(nsc_ctx_t *ctx)
+{
 	int 		i;
 	nsc_entry_t	*entry;
 	char		*me = "ctx_invalidate";
@@ -2041,8 +2069,8 @@
 
 static nscd_rc_t
 lookup_cache(nsc_lookup_args_t *largs, nscd_cfg_cache_t *cfgp,
-	nss_XbyY_args_t *argp, char *whoami, nsc_entry_t **entry) {
-
+    nss_XbyY_args_t *argp, char *whoami, nsc_entry_t **entry)
+{
 	nsc_db_t	*nscdb;
 	nsc_ctx_t	*ctx;
 	uint_t		hash;
@@ -2073,8 +2101,8 @@
 		/* move it to the hash table */
 		if (nscdb->htable) {
 			if (nscdb->htable[hash] == NULL ||
-					(*entry)->stats.hits >=
-					nscdb->htable[hash]->stats.hits) {
+			    (*entry)->stats.hits >=
+			    nscdb->htable[hash]->stats.hits) {
 				nscdb->htable[hash] = *entry;
 			}
 		}
@@ -2086,18 +2114,16 @@
 		(me, "%s: cache miss\n", whoami);
 
 	if (cfgp->avoid_ns == nscd_true) {
-		_NSCD_LOG(NSCD_LOG_CACHE,
-			NSCD_LOG_LEVEL_DEBUG)
+		_NSCD_LOG(NSCD_LOG_CACHE, NSCD_LOG_LEVEL_DEBUG)
 			(me, "%s: avoid name service\n", whoami);
 		return (NSCD_DB_ENTRY_NOT_FOUND);
 	}
 
 	/* allocate memory for new entry (stub) */
 	*entry = (nsc_entry_t *)umem_cache_alloc(nsc_entry_cache,
-		UMEM_DEFAULT);
+	    UMEM_DEFAULT);
 	if (*entry == NULL) {
-		_NSCD_LOG(NSCD_LOG_CACHE,
-			NSCD_LOG_LEVEL_ERROR)
+		_NSCD_LOG(NSCD_LOG_CACHE, NSCD_LOG_LEVEL_ERROR)
 			(me, "%s: memory allocation failure\n", whoami);
 		return (NSCD_NO_MEMORY);
 	}
@@ -2132,13 +2158,13 @@
 	if (cfgp->maxentries > 0 && nentries > cfgp->maxentries) {
 		_NSCD_LOG(NSCD_LOG_CACHE, NSCD_LOG_LEVEL_DEBUG)
 			(me, "%s: maximum entries exceeded -- "
-				"deleting least recently used entry\n",
-			whoami);
+			    "deleting least recently used entry\n",
+			    whoami);
 
 		node = nscdb->qhead;
 		while (node != NULL && node != *entry) {
 			if (node->stats.status == ST_DISCARD ||
-					!(node->stats.status & ST_PENDING)) {
+			    !(node->stats.status & ST_PENDING)) {
 				delete_entry(nscdb, ctx, node);
 				break;
 			}
@@ -2156,7 +2182,8 @@
 }
 
 static void
-reaper(nsc_ctx_t *ctx) {
+reaper(nsc_ctx_t *ctx)
+{
 	uint_t		ttl, extra_sleep, total_sleep, intervals;
 	uint_t		nodes_per_interval, seconds_per_interval;
 	ulong_t		nsc_entries;
@@ -2207,12 +2234,12 @@
 
 		_NSCD_LOG(NSCD_LOG_CACHE, NSCD_LOG_LEVEL_DEBUG)
 			(me, "%s: total entries = %d, "
-			"seconds per interval = %d, "
-			"nodes per interval = %d\n",
-			ctx->dbname, nsc_entries, seconds_per_interval,
-			nodes_per_interval);
+			    "seconds per interval = %d, "
+			    "nodes per interval = %d\n",
+			    ctx->dbname, nsc_entries, seconds_per_interval,
+			    nodes_per_interval);
 		total_sleep = reap_cache(ctx, nodes_per_interval,
-				seconds_per_interval);
+		    seconds_per_interval);
 		extra_sleep = 1 + ttl - total_sleep;
 		if (extra_sleep > 0)
 			(void) sleep(extra_sleep);
@@ -2222,7 +2249,8 @@
 
 static uint_t
 reap_cache(nsc_ctx_t *ctx, uint_t nodes_per_interval,
-		uint_t seconds_per_interval) {
+    uint_t seconds_per_interval)
+{
 	uint_t		nodes_togo, total_sleep;
 	time_t		now;
 	nsc_entry_t	*node, *next_node;
@@ -2254,8 +2282,8 @@
 			if ((node = nscdb->reap_node) == NULL)
 				break;
 			if (node->stats.status == ST_DISCARD ||
-					(!(node->stats.status & ST_PENDING) &&
-					node->stats.timestamp < now)) {
+			    (!(node->stats.status & ST_PENDING) &&
+			    node->stats.timestamp < now)) {
 				/*
 				 * Delete entry if its discard flag is
 				 * set OR if it has expired. Entries
@@ -2287,8 +2315,9 @@
 		 */
 		nentries = avl_numnodes(&nscdb->tree);
 		for (slot = 0, value = _NSC_INIT_HTSIZE_SLOT_VALUE;
-			slot < _NSC_HTSIZE_NUM_SLOTS && nentries > value;
-			value = (value << 1) + 1, slot++);
+		    slot < _NSC_HTSIZE_NUM_SLOTS && nentries > value;
+		    value = (value << 1) + 1, slot++)
+			;
 		if (nscdb->hash_type == nsc_ht_power2)
 			newhtsize = _NSC_INIT_HTSIZE_POWER2 << slot;
 		else
@@ -2302,7 +2331,7 @@
 
 		_NSCD_LOG(NSCD_LOG_CACHE, NSCD_LOG_LEVEL_DEBUG)
 			(me, "%s: resizing hash table from %d to %d\n",
-			nscdb->name, nscdb->htsize, newhtsize);
+			    nscdb->name, nscdb->htsize, newhtsize);
 
 		/*
 		 * Dump old hashes because it would be time
@@ -2312,9 +2341,8 @@
 		nscdb->htable = calloc(newhtsize, sizeof (*(nscdb->htable)));
 		if (nscdb->htable == NULL) {
 			_NSCD_LOG(NSCD_LOG_CACHE, NSCD_LOG_LEVEL_ERROR)
-				(me,
-				"%s: memory allocation failure\n",
-				nscdb->name);
+				(me, "%s: memory allocation failure\n",
+				    nscdb->name);
 			/* -1 to try later */
 			nscdb->htsize = -1;
 		} else {
@@ -2366,7 +2394,7 @@
 			node = next_node;
 			next_node = next_node->qprev;
 			if (node->stats.status == ST_DISCARD ||
-					!(node->stats.status & ST_PENDING)) {
+			    !(node->stats.status & ST_PENDING)) {
 				/* Leave nodes with pending updates alone  */
 				delete_entry(nscdb, ctx, node);
 				count++;
--- a/usr/src/cmd/nscd/nscd_admin.c	Wed Apr 25 00:27:21 2012 -0400
+++ b/usr/src/cmd/nscd/nscd_admin.c	Thu Apr 19 13:45:01 2012 -0500
@@ -21,10 +21,9 @@
 /*
  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2012 Milan Jurik. All rights reserved.
  */
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 #include <stdlib.h>
 #include <locale.h>
 #include <string.h>
@@ -72,11 +71,11 @@
 		} else {
 			admin_c.cache_cfg[i] = cfg_default;
 			(void) memset(&admin_c.cache_stats[i], 0,
-				sizeof (admin_c.cache_stats[0]));
+			    sizeof (admin_c.cache_stats[0]));
 		}
 	}
 	(void) memcpy(((char *)outbuf) + phdr->data_off,
-		&admin_c, sizeof (admin_c));
+	    &admin_c, sizeof (admin_c));
 
 	return (0);
 }
@@ -114,16 +113,16 @@
 		_nscd_logit(me, "total_size = %d\n", set->total_size);
 
 		_nscd_logit(me, "debug_level_set = %d, debug_level = %d\n",
-			set->debug_level_set, set->debug_level);
+		    set->debug_level_set, set->debug_level);
 
 		_nscd_logit(me, "logfile_set = %d, logfile = %s\n",
-			set->logfile_set, *set->logfile == '\0' ?
-				"" : set->logfile);
+		    set->logfile_set, *set->logfile == '\0' ?
+		    "" : set->logfile);
 
 		_nscd_logit(me, "cache_cfg_num = %d\n",
-			set->cache_cfg_num);
+		    set->cache_cfg_num);
 		_nscd_logit(me, "cache_flush_num = %d\n",
-			set->cache_flush_num);
+		    set->cache_flush_num);
 	}
 
 	/*
@@ -132,11 +131,11 @@
 
 	if (set->debug_level_set == nscd_true) {
 		if (_nscd_set_debug_level(set->debug_level)
-			!= NSCD_SUCCESS) {
+		    != NSCD_SUCCESS) {
 
 			_NSCD_LOG(NSCD_LOG_ADMIN, NSCD_LOG_LEVEL_ERROR)
 			(me, "unable to set debug level %d\n",
-				set->debug_level);
+			    set->debug_level);
 
 			goto err_exit;
 		}
@@ -152,7 +151,7 @@
 			goto err_exit;
 		}
 		(void) strlcpy(admin_c.logfile, set->logfile,
-				NSCD_LOGFILE_LEN);
+		    NSCD_LOGFILE_LEN);
 	}
 
 	/*
@@ -162,7 +161,7 @@
 
 		_NSCD_LOG(NSCD_LOG_ADMIN, NSCD_LOG_LEVEL_ERROR)
 		(me, "number of caches (%d) to change out of bound %s\n",
-			set->cache_cfg_num);
+		    set->cache_cfg_num);
 
 		goto err_exit;
 	}
@@ -177,14 +176,14 @@
 		if (cache_ctx_p[j] == NULL) {
 			_NSCD_LOG(NSCD_LOG_ADMIN, NSCD_LOG_LEVEL_ERROR)
 			(me, "unable to find cache context for %s\n",
-			dbname);
+			    dbname);
 		}
 
 		rc = _nscd_cfg_get_handle(group, dbname, &h, NULL);
 		if (rc != NSCD_SUCCESS) {
 			_NSCD_LOG(NSCD_LOG_ADMIN, NSCD_LOG_LEVEL_ERROR)
 			(me, "unable to get handle for < %s : %s >\n",
-			dbname, group);
+			    dbname, group);
 
 			goto err_exit;
 		}
@@ -193,7 +192,7 @@
 		if (rc != NSCD_SUCCESS) {
 			_NSCD_LOG(NSCD_LOG_ADMIN, NSCD_LOG_LEVEL_ERROR)
 			(me, "unable to set admin data for < %s : %s >\n",
-			dbname, group);
+			    dbname, group);
 
 			_nscd_cfg_free_handle(h);
 
@@ -209,7 +208,7 @@
 
 		_NSCD_LOG(NSCD_LOG_ADMIN, NSCD_LOG_LEVEL_ERROR)
 		(me, "number of caches (%d) to flush out of bound %s\n",
-			set->cache_flush_num);
+		    set->cache_flush_num);
 
 		goto err_exit;
 	}
@@ -222,7 +221,7 @@
 		if (cache_ctx_p[j] == NULL) {
 			_NSCD_LOG(NSCD_LOG_ADMIN, NSCD_LOG_LEVEL_ERROR)
 			(me, "unable to find cache context for %s\n",
-			dbname);
+			    dbname);
 		}
 		nsc_invalidate(cache_ctx_p[j], NULL, NULL);
 	}
@@ -248,9 +247,9 @@
 		_NSCD_LOG(NSCD_LOG_ADMIN, NSCD_LOG_LEVEL_ERROR)
 		(me, "SETADMIN call failed\n");
 
-		NSCD_RETURN_N2N_STATUS(phdr, NSS_NSCD_PRIV, 0, rc);
+		NSCD_SET_N2N_STATUS(phdr, NSS_NSCD_PRIV, 0, rc);
 	} else {
-		NSCD_RETURN_STATUS_SUCCESS(phdr);
+		NSCD_SET_STATUS_SUCCESS(phdr);
 	}
 }
 
@@ -393,7 +392,7 @@
 		callnum = NSCD_GETADMIN;
 
 	(void) _nscd_doorcall_data(callnum, NULL, sizeof (admin_c),
-		&admin_c, sizeof (admin_c), &phdr);
+	    &admin_c, sizeof (admin_c), &phdr);
 
 	if (NSCD_STATUS_IS_NOT_OK(&phdr)) {
 		return (1);
@@ -406,5 +405,5 @@
 _nscd_client_setadmin()
 {
 	return (_nscd_doorcall_data(NSCD_SETADMIN, &admin_mod,
-		sizeof (admin_mod), NULL, 0, NULL));
+	    sizeof (admin_mod), NULL, 0, NULL));
 }
--- a/usr/src/cmd/nscd/nscd_door.c	Wed Apr 25 00:27:21 2012 -0400
+++ b/usr/src/cmd/nscd/nscd_door.c	Thu Apr 19 13:45:01 2012 -0500
@@ -22,10 +22,9 @@
 /*
  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2012 Milan Jurik. All rights reserved.
  */
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 #include <sys/param.h>
 #include <string.h>
 #include <door.h>
@@ -48,14 +47,16 @@
 
 	_NSCD_LOG(NSCD_LOG_FRONT_END, NSCD_LOG_LEVEL_DEBUG)
 		(me, "door is %s (fd is %d)\n", NAME_SERVICE_DOOR,
-		*doorfd);
+		    *doorfd);
 
-	if (*doorfd == -1)
-		NSCD_RETURN_STATUS(phdr, NSS_ERROR, errno);
+	if (*doorfd == -1) {
+		NSCD_SET_STATUS(phdr, NSS_ERROR, errno);
+		return;
+	}
 
 	if (door_info(*doorfd, &doori) < 0 ||
-		(doori.di_attributes & DOOR_REVOKED) ||
-		doori.di_data != (uintptr_t)NAME_SERVICE_DOOR_COOKIE) {
+	    (doori.di_attributes & DOOR_REVOKED) ||
+	    doori.di_data != (uintptr_t)NAME_SERVICE_DOOR_COOKIE) {
 
 		/*
 		 * we should close doorfd because we just opened it
@@ -65,10 +66,11 @@
 		_NSCD_LOG(NSCD_LOG_FRONT_END, NSCD_LOG_LEVEL_DEBUG)
 		(me, "door %d not valid\n", *doorfd);
 
-		NSCD_RETURN_STATUS(phdr, NSS_ERROR, ECONNREFUSED);
+		NSCD_SET_STATUS(phdr, NSS_ERROR, ECONNREFUSED);
+		return;
 	}
 
-	NSCD_RETURN_STATUS_SUCCESS(phdr);
+	NSCD_SET_STATUS_SUCCESS(phdr);
 }
 
 /* general door call functions used by nscd */
@@ -87,15 +89,14 @@
 			(void) memmove(outdata, dp, phdr->data_len);
 		} else {
 
-			_NSCD_LOG(NSCD_LOG_FRONT_END,
-				NSCD_LOG_LEVEL_DEBUG)
+			_NSCD_LOG(NSCD_LOG_FRONT_END, NSCD_LOG_LEVEL_DEBUG)
 			(me, "output buffer not large enough "
-			" should be > %d but is %d\n",
-			phdr->data_len, outdlen);
+			    " should be > %d but is %d\n",
+			    phdr->data_len, outdlen);
 
 			if (outphdr != NULL) {
 				NSCD_SET_N2N_STATUS(phdr, NSS_NSCD_PRIV,
-				0, NSCD_INVALID_ARGUMENT);
+				    0, NSCD_INVALID_ARGUMENT);
 				NSCD_COPY_STATUS(outphdr, phdr);
 			}
 			ret = NSS_NSCD_PRIV;
@@ -130,7 +131,7 @@
 		phdr = (nss_pheader_t *)dptr;
 		_NSCD_LOG(NSCD_LOG_FRONT_END, NSCD_LOG_LEVEL_DEBUG)
 		(me, "door call (%d) failed (status = %d, error = %s)\n",
-			callnum, ret, strerror(NSCD_GET_ERRNO(phdr)));
+		    callnum, ret, strerror(NSCD_GET_ERRNO(phdr)));
 	}
 
 	return (ret);
@@ -169,7 +170,7 @@
 	if (ret != NSS_SUCCESS) {
 		_NSCD_LOG(NSCD_LOG_FRONT_END, NSCD_LOG_LEVEL_DEBUG)
 		(me, "door call (%d) failed (status = %d, error = %s)\n",
-			callnum, ret, strerror(NSCD_GET_ERRNO(phdr_d)));
+		    callnum, ret, strerror(NSCD_GET_ERRNO(phdr_d)));
 	} else {
 		if (phdr != NULL) {
 			NSCD_COPY_STATUS(phdr, phdr_d);
@@ -230,7 +231,7 @@
 
 		_NSCD_LOG(NSCD_LOG_FRONT_END, NSCD_LOG_LEVEL_DEBUG)
 		(me, "door call (%d to %d) did not get through (%s)\n",
-			callnum, fd, strerror(errnum));
+		    callnum, fd, strerror(errnum));
 
 		return (NSS_ERROR);
 	}
@@ -250,9 +251,9 @@
 
 		_NSCD_LOG(NSCD_LOG_FRONT_END, NSCD_LOG_LEVEL_DEBUG)
 		(me, "door call (%d to %d) failed: p_status = %d, "
-		"p_errno = %s, nscd status = %d\n", callnum, fd,
-		ret, strerror(NSCD_GET_ERRNO(phdr_d)),
-		NSCD_GET_NSCD_STATUS(phdr_d));
+		    "p_errno = %s, nscd status = %d\n", callnum, fd,
+		    ret, strerror(NSCD_GET_ERRNO(phdr_d)),
+		    NSCD_GET_NSCD_STATUS(phdr_d));
 	} else
 		ret = copy_output(outdata, outdlen, phdr_d, phdr);
 
@@ -291,21 +292,20 @@
 
 		_NSCD_LOG(NSCD_LOG_FRONT_END, NSCD_LOG_LEVEL_DEBUG)
 		(me, "door call (to fd %d) failed (%s)\n",
-			doorfd, strerror(errnum));
+		    doorfd, strerror(errnum));
 		(void) close(doorfd);
-		NSCD_RETURN_STATUS(phdr, NSS_ERROR, errnum);
+		NSCD_SET_STATUS(phdr, NSS_ERROR, errnum);
+		return;
 	}
 	*adata = param.data_size;
 	*ndata = param.rsize;
 	*dptr = (void *)param.data_ptr;
 
 	if (*adata == 0 || *dptr == NULL) {
-		(void) close(doorfd);
-
 		_NSCD_LOG(NSCD_LOG_FRONT_END, NSCD_LOG_LEVEL_DEBUG)
 		(me, "no data\n");
 
-		NSCD_RETURN_STATUS(phdr, NSS_ERROR, ENOTCONN);
+		NSCD_SET_STATUS(phdr, NSS_ERROR, ENOTCONN);
 	}
 
 	(void) close(doorfd);
@@ -348,8 +348,8 @@
 
 		_NSCD_LOG(NSCD_LOG_FRONT_END, NSCD_LOG_LEVEL_DEBUG)
 		(me, "door call (%d) failed (status = %d, error = %s)\n",
-			callnum, NSCD_GET_STATUS(phdr_d),
-			strerror(NSCD_GET_ERRNO(phdr_d)));
+		    callnum, NSCD_GET_STATUS(phdr_d),
+		    strerror(NSCD_GET_ERRNO(phdr_d)));
 	}
 
 	return (NSCD_GET_STATUS(phdr_d));
--- a/usr/src/cmd/nscd/nscd_door.h	Wed Apr 25 00:27:21 2012 -0400
+++ b/usr/src/cmd/nscd/nscd_door.h	Thu Apr 19 13:45:01 2012 -0500
@@ -22,13 +22,12 @@
 /*
  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2012 Milan Jurik. All rights reserved.
  */
 
 #ifndef	_NSCD_DOOR_H
 #define	_NSCD_DOOR_H
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 /*
  * Definitions for nscd to nscd door interfaces
  */
@@ -97,24 +96,10 @@
 	(ph)->p_herrno = herrno;
 
 
-#define	NSCD_RETURN_STATUS(ph, st, errno) \
-	{ \
-		int e = errno; \
-		(ph)->p_status = st; \
-		if (e != -1) \
-			(ph)->p_errno = e; \
-		return; \
-	}
-
 #define	NSCD_SET_STATUS_SUCCESS(ph) \
 	(ph)->p_status = NSS_SUCCESS; \
 	(ph)->p_errno = 0;
 
-#define	NSCD_RETURN_STATUS_SUCCESS(ph) \
-	(ph)->p_status = NSS_SUCCESS; \
-	(ph)->p_errno = 0; \
-	return;
-
 #define	NSCD_SET_N2N_STATUS(ph, st, errno, n2nst) \
 	{ \
 		int	e = errno; \
@@ -124,16 +109,6 @@
 		(ph)->nscdpriv = n2nst; \
 	}
 
-#define	NSCD_RETURN_N2N_STATUS(ph, st, errno, n2nst) \
-	{ \
-		int	e = errno; \
-		(ph)->p_status = st; \
-		if (e != -1) \
-			(ph)->p_errno = e; \
-		(ph)->nscdpriv = n2nst; \
-		return; \
-	}
-
 #define	NSCD_STATUS_IS_OK(ph) \
 	(((ph)->p_status) == NSS_SUCCESS)
 
--- a/usr/src/cmd/nscd/nscd_frontend.c	Wed Apr 25 00:27:21 2012 -0400
+++ b/usr/src/cmd/nscd/nscd_frontend.c	Thu Apr 19 13:45:01 2012 -0500
@@ -21,6 +21,7 @@
 /*
  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2012 Milan Jurik. All rights reserved.
  */
 
 #include <stdlib.h>
@@ -389,7 +390,8 @@
 		_NSCD_LOG(NSCD_LOG_FRONT_END, NSCD_LOG_LEVEL_DEBUG)
 		(me, "door_ucred: %s\n", strerror(errno));
 
-		NSCD_RETURN_STATUS(phdr, NSS_ERROR, errnum);
+		NSCD_SET_STATUS(phdr, NSS_ERROR, errnum);
+		return;
 	}
 
 	eset = ucred_getprivset(uc, PRIV_EFFECTIVE);
@@ -405,7 +407,8 @@
 		    ucred_getruid(uc), ucred_geteuid(uc), zoneid);
 		ucred_free(uc);
 
-		NSCD_RETURN_STATUS(phdr, NSS_ERROR, EACCES);
+		NSCD_SET_STATUS(phdr, NSS_ERROR, EACCES);
+		return;
 	}
 
 	_NSCD_LOG(NSCD_LOG_FRONT_END, NSCD_LOG_LEVEL_DEBUG)
@@ -415,7 +418,7 @@
 
 	ucred_free(uc);
 
-	NSCD_RETURN_STATUS_SUCCESS(phdr);
+	NSCD_SET_STATUS_SUCCESS(phdr);
 }
 
 void
@@ -439,7 +442,8 @@
 		_NSCD_LOG(log_comp, NSCD_LOG_LEVEL_ERROR)
 		(me, "door_ucred: %s\n", strerror(errno));
 
-		NSCD_RETURN_STATUS(phdr, NSS_ERROR, errnum);
+		NSCD_SET_STATUS(phdr, NSS_ERROR, errnum);
+		return;
 	}
 
 	NSCD_SET_STATUS_SUCCESS(phdr);
--- a/usr/src/cmd/nscd/nscd_selfcred.c	Wed Apr 25 00:27:21 2012 -0400
+++ b/usr/src/cmd/nscd/nscd_selfcred.c	Thu Apr 19 13:45:01 2012 -0500
@@ -520,8 +520,9 @@
 		_NSCD_LOG(NSCD_LOG_SELF_CRED, NSCD_LOG_LEVEL_DEBUG)
 		(me, "door_ucred failed: %s\n", strerror(errnum));
 
-		NSCD_RETURN_N2N_STATUS(phdr, NSS_NSCD_PRIV, errnum,
+		NSCD_SET_N2N_STATUS(phdr, NSS_NSCD_PRIV, errnum,
 		    NSCD_DOOR_UCRED_ERROR);
+		return;
 	}
 	uid = ucred_geteuid(uc);
 
@@ -716,8 +717,9 @@
 		_NSCD_LOG(NSCD_LOG_SELF_CRED, NSCD_LOG_LEVEL_DEBUG)
 		(me, "MAIN IMPOSTER CAUGHT! i am %d not NSCD_MAIN\n", iam);
 
-		NSCD_RETURN_N2N_STATUS(phdr, NSS_NSCD_PRIV, 0,
+		NSCD_SET_N2N_STATUS(phdr, NSS_NSCD_PRIV, 0,
 		    NSCD_SELF_CRED_MAIN_IMPOSTER);
+		return;
 	}
 
 	/* forker doesn't return stats, it just pauses */
@@ -725,11 +727,8 @@
 		_NSCD_LOG(NSCD_LOG_SELF_CRED, NSCD_LOG_LEVEL_DEBUG)
 		(me, "forker ready to pause ...\n");
 
-		/*CONSTCOND*/
-		while (1)
+		for (;;)
 			(void) pause();
-
-		NSCD_RETURN_STATUS_SUCCESS(phdr);
 	}
 
 	/* remember the current activity sequence number */
@@ -784,8 +783,9 @@
 		_NSCD_LOG(NSCD_LOG_SELF_CRED, NSCD_LOG_LEVEL_DEBUG)
 		(me, "MAIN IMPOSTER CAUGHT! i am %d not NSCD_MAIN\n", iam);
 
-		NSCD_RETURN_N2N_STATUS(phdr, NSS_NSCD_PRIV, 0,
+		NSCD_SET_N2N_STATUS(phdr, NSS_NSCD_PRIV, 0,
 		    NSCD_SELF_CRED_MAIN_IMPOSTER);
+		return;
 	}
 
 	/* only forker handles fork requests */
@@ -793,8 +793,9 @@
 		_NSCD_LOG(NSCD_LOG_SELF_CRED, NSCD_LOG_LEVEL_DEBUG)
 		(me, "MAIN IMPOSTER CAUGHT! I AM NOT FORKER!\n");
 
-		NSCD_RETURN_N2N_STATUS(phdr, NSS_NSCD_PRIV, 0,
+		NSCD_SET_N2N_STATUS(phdr, NSS_NSCD_PRIV, 0,
 		    NSCD_SELF_CRED_WRONG_NSCD);
+		return;
 	}
 
 	/* fork a child for the slot assigned by the main nscd */
@@ -809,8 +810,9 @@
 		_NSCD_LOG(NSCD_LOG_SELF_CRED, NSCD_LOG_LEVEL_DEBUG)
 		(me, "bas slot number\n");
 
-		NSCD_RETURN_N2N_STATUS(phdr, NSS_NSCD_PRIV, 0,
+		NSCD_SET_N2N_STATUS(phdr, NSS_NSCD_PRIV, 0,
 		    NSCD_SELF_CRED_INVALID_SLOT_NUMBER);
+		return;
 	}
 
 	_NSCD_LOG(NSCD_LOG_SELF_CRED, NSCD_LOG_LEVEL_DEBUG)
@@ -854,7 +856,8 @@
 			    NSCD_IMHERE | (NSCD_CHILD & NSCD_WHOAMI),
 			    &ih, sizeof (ih), NULL);
 
-			NSCD_RETURN_STATUS_SUCCESS(phdr);
+		NSCD_SET_STATUS_SUCCESS(phdr);
+		return;
 	} if (cid  == (pid_t)-1) {
 		_NSCD_LOG(NSCD_LOG_SELF_CRED, NSCD_LOG_LEVEL_DEBUG)
 		(me, "forker unable to fork ...\n");
@@ -953,8 +956,9 @@
 		_NSCD_LOG(NSCD_LOG_SELF_CRED, NSCD_LOG_LEVEL_ERROR)
 		(me, "no door to talk to the forker\n");
 
-		NSCD_RETURN_N2N_STATUS(phdr, NSS_NSCD_PRIV, 0,
+		NSCD_SET_N2N_STATUS(phdr, NSS_NSCD_PRIV, 0,
 		    NSCD_SELF_CRED_NO_FORKER);
+		return;
 	}
 
 	/* get door client's credential information */
@@ -963,8 +967,9 @@
 		_NSCD_LOG(NSCD_LOG_SELF_CRED, NSCD_LOG_LEVEL_DEBUG)
 		(me, "door_ucred failed: %s\n", strerror(errnum));
 
-		NSCD_RETURN_N2N_STATUS(phdr, NSS_NSCD_PRIV, errnum,
+		NSCD_SET_N2N_STATUS(phdr, NSS_NSCD_PRIV, errnum,
 		    NSCD_DOOR_UCRED_ERROR);
+		return;
 	}
 
 	/* get door client's effective uid and effective gid */
@@ -983,8 +988,9 @@
 		(me, "no child slot available (child array = %p, slot = %d)\n",
 		    child, ch->child_slot);
 
-		NSCD_RETURN_N2N_STATUS(phdr, NSS_NSCD_PRIV, 0,
+		NSCD_SET_N2N_STATUS(phdr, NSS_NSCD_PRIV, 0,
 		    NSCD_SELF_CRED_NO_CHILD_SLOT);
+		return;
 	}
 
 	/* create the per user nscd if necessary */
@@ -1036,8 +1042,9 @@
 
 	if (ch->child_state != CHILD_STATE_PIDKNOWN) {
 
-		NSCD_RETURN_N2N_STATUS(phdr, NSS_NSCD_PRIV, 0,
+		NSCD_SET_N2N_STATUS(phdr, NSS_NSCD_PRIV, 0,
 		    NSCD_SELF_CRED_INVALID_SLOT_STATE);
+		return;
 	}
 
 	*door = ch->child_door;
@@ -1046,7 +1053,7 @@
 	(me, "returning door %d for slot %d, uid %d, gid = %d\n",
 	    *door, ch->child_slot, set2uid, set2gid);
 
-	NSCD_RETURN_STATUS(phdr, NSS_ALTRETRY, 0);
+	NSCD_SET_STATUS(phdr, NSS_ALTRETRY, 0);
 }
 
 static char **
@@ -1260,8 +1267,9 @@
 		_NSCD_LOG(NSCD_LOG_SELF_CRED, NSCD_LOG_LEVEL_DEBUG)
 		(me, "door_ucred failed: %s\n", strerror(errnum));
 
-		NSCD_RETURN_N2N_STATUS(phdr, NSS_NSCD_PRIV, errnum,
+		NSCD_SET_N2N_STATUS(phdr, NSS_NSCD_PRIV, errnum,
 		    NSCD_DOOR_UCRED_ERROR);
+		return;
 	}
 
 	/* get door client's effective uid */
@@ -1275,8 +1283,9 @@
 	/* is the per-user nscd running ? if not, no one to serve */
 	ch = get_cslot(uid, 1);
 	if (ch == NULL) {
-		NSCD_RETURN_N2N_STATUS(phdr, NSS_NSCD_PRIV, 0,
+		NSCD_SET_N2N_STATUS(phdr, NSS_NSCD_PRIV, 0,
 		    NSCD_SELF_CRED_NO_CHILD_SLOT);
+		return;
 	}
 
 	ret = _nscd_doorcall_fd(ch->child_door, NSCD_GETADMIN,
@@ -1457,8 +1466,7 @@
 	int		found;
 	char		*me = "check_user_process";
 
-	/*CONSTCOND*/
-	while (1) {
+	for (;;) {
 		(void) sleep(60);
 
 		found = 0;
@@ -1492,7 +1500,6 @@
 		}
 		(void) closedir(dp);
 	}
-	/* NOTREACHED */
 	/*LINTED E_FUNC_HAS_NO_RETURN_STMT*/
 }
 
--- a/usr/src/cmd/nscd/nscd_switch.c	Wed Apr 25 00:27:21 2012 -0400
+++ b/usr/src/cmd/nscd/nscd_switch.c	Thu Apr 19 13:45:01 2012 -0500
@@ -22,6 +22,7 @@
 /*
  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2012 Milan Jurik. All rights reserved.
  */
 
 #include <stdlib.h>	/* getenv() */
@@ -1352,13 +1353,15 @@
 	char			*me = "nss_psearch";
 
 	if (buffer == NULL || length == 0) {
-		NSCD_RETURN_STATUS(pbuf, NSS_ERROR, EFAULT);
+		NSCD_SET_STATUS(pbuf, NSS_ERROR, EFAULT);
+		return;
 	}
 
 	status = nss_packed_arg_init(buffer, length,
 	    NULL, &initf, &dbop, &arg);
 	if (status != NSS_SUCCESS) {
-		NSCD_RETURN_STATUS(pbuf, status, -1);
+		NSCD_SET_STATUS(pbuf, status, -1);
+		return;
 	}
 
 	/*
@@ -1376,7 +1379,8 @@
 	 */
 	rc = set_initf_key(pbuf);
 	if (rc != 0) {
-		NSCD_RETURN_STATUS(pbuf, NSS_UNAVAIL, EINVAL);
+		NSCD_SET_STATUS(pbuf, NSS_UNAVAIL, EINVAL);
+		return;
 	}
 	initf = nscd_initf;
 
@@ -1443,7 +1447,8 @@
 	nscd_getent_p1_cookie_t	*cookie;
 
 	if (buffer == NULL) {
-		NSCD_RETURN_STATUS(pbuf, NSS_ERROR, EFAULT);
+		NSCD_SET_STATUS(pbuf, NSS_ERROR, EFAULT);
+		return;
 	}
 
 	off = pbuf->key_off;
@@ -1464,7 +1469,8 @@
 	if (cookie_num_p != NULL)
 		*cookie_num_p = &cookie->p1_cookie_num;
 	if (setent == 1 && cookie->p1_cookie_num == NSCD_NEW_COOKIE) {
-			NSCD_RETURN_STATUS_SUCCESS(pbuf);
+		NSCD_SET_STATUS_SUCCESS(pbuf);
+		return;
 	}
 
 	/*
@@ -1475,8 +1481,10 @@
 	if (cookie->p1_seqnum == NSCD_P0_COOKIE_SEQNUM) {
 		nscd_getent_p0_cookie_t *p0c =
 		    (nscd_getent_p0_cookie_t *)cookie;
-		if (p0c->p0_time == _nscd_get_start_time())
-			NSCD_RETURN_STATUS_SUCCESS(pbuf);
+		if (p0c->p0_time == _nscd_get_start_time()) {
+			NSCD_SET_STATUS_SUCCESS(pbuf);
+			return;
+		}
 	}
 
 	_NSCD_LOG(NSCD_LOG_SWITCH_ENGINE, NSCD_LOG_LEVEL_DEBUG)
@@ -1490,7 +1498,8 @@
 		(me, "No matching context found (cookie number: %lld)\n",
 		    cookie->p1_cookie_num);
 
-		NSCD_RETURN_STATUS(pbuf, NSS_ERROR, EFAULT);
+		NSCD_SET_STATUS(pbuf, NSS_ERROR, EFAULT);
+		return;
 	}
 
 	/* if not called by nss_psetent, verify sequence number */
@@ -1500,12 +1509,13 @@
 		(me, "invalid sequence # (%lld)\n", cookie->p1_seqnum);
 
 		_nscd_free_ctx_if_aborted(ctx);
-		NSCD_RETURN_STATUS(pbuf, NSS_ERROR, EFAULT);
+		NSCD_SET_STATUS(pbuf, NSS_ERROR, EFAULT);
+		return;
 	}
 
 	contextp->ctx = (struct nss_getent_context *)ctx;
 
-	NSCD_RETURN_STATUS_SUCCESS(pbuf);
+	NSCD_SET_STATUS_SUCCESS(pbuf);
 }
 
 void
@@ -1520,7 +1530,8 @@
 	char			*me = "nss_psetent";
 
 	if (buffer == NULL || length == 0) {
-		NSCD_RETURN_STATUS(pbuf, NSS_ERROR, EFAULT);
+		NSCD_SET_STATUS(pbuf, NSS_ERROR, EFAULT);
+		return;
 	}
 
 	/*
@@ -1542,7 +1553,8 @@
 				_NSCD_LOG(NSCD_LOG_SWITCH_ENGINE,
 				    NSCD_LOG_LEVEL_DEBUG)
 			(me, "NSS_TRYLOCAL: fallback to caller process\n");
-				NSCD_RETURN_STATUS(pbuf, NSS_TRYLOCAL, 0);
+				NSCD_SET_STATUS(pbuf, NSS_TRYLOCAL, 0);
+				return;
 			}
 		}
 	}
@@ -1590,7 +1602,7 @@
 	(me, "returning a p0 cookie: pid = %ld, time = %ld, seq #= %llx\n",
 	    p0c->p0_pid, p0c->p0_time, p0c->p0_seqnum);
 
-	NSCD_RETURN_STATUS(pbuf, NSS_SUCCESS, 0);
+	NSCD_SET_STATUS(pbuf, NSS_SUCCESS, 0);
 }
 
 static void
@@ -1639,14 +1651,15 @@
 		_NSCD_LOG(NSCD_LOG_SWITCH_ENGINE, NSCD_LOG_LEVEL_DEBUG)
 		(me, "NSS_TRYLOCAL: cookie # = %lld,  sequence # = %lld\n",
 		    *cookie_num_p, *seqnum_p);
-		NSCD_RETURN_STATUS(pbuf, NSS_TRYLOCAL, 0);
+		NSCD_SET_STATUS(pbuf, NSS_TRYLOCAL, 0);
+		return;
 	}
 
 	_NSCD_LOG(NSCD_LOG_SWITCH_ENGINE, NSCD_LOG_LEVEL_DEBUG)
 	(me, "NSS_SUCCESS: cookie # = %lld,  sequence # = %lld\n",
 	    ctx->cookie_num, ctx->seq_num);
 
-	NSCD_RETURN_STATUS(pbuf, NSS_SUCCESS, 0);
+	NSCD_SET_STATUS(pbuf, NSS_SUCCESS, 0);
 }
 
 void
@@ -1666,7 +1679,8 @@
 	char			*me = "nss_pgetent";
 
 	if (buffer == NULL || length == 0) {
-		NSCD_RETURN_STATUS(pbuf, NSS_ERROR, EFAULT);
+		NSCD_SET_STATUS(pbuf, NSS_ERROR, EFAULT);
+		return;
 	}
 
 	/* verify the cookie passed in */
@@ -1680,7 +1694,8 @@
 	 */
 	rc = set_initf_key(pbuf);
 	if (rc != 0) {
-		NSCD_RETURN_STATUS(pbuf, NSS_UNAVAIL, EINVAL);
+		NSCD_SET_STATUS(pbuf, NSS_UNAVAIL, EINVAL);
+		return;
 	}
 	initf = nscd_initf;
 
@@ -1703,7 +1718,8 @@
 		clear_initf_key();
 		_nscd_free_ctx_if_aborted(
 		    (nscd_getent_context_t *)contextp->ctx);
-		NSCD_RETURN_STATUS(pbuf, status, -1);
+		NSCD_SET_STATUS(pbuf, status, -1);
+		return;
 	}
 
 	/* Perform local search and pack results into return buffer */
@@ -1751,7 +1767,8 @@
 	char			*me = "nss_pendent";
 
 	if (buffer == NULL || length == 0) {
-		NSCD_RETURN_STATUS(pbuf, NSS_ERROR, EFAULT);
+		NSCD_SET_STATUS(pbuf, NSS_ERROR, EFAULT);
+		return;
 	}
 
 	/* map the contextp from the cookie information */
@@ -1769,7 +1786,7 @@
 	/* Perform local endent and reset context */
 	nss_endent(NULL, NULL, contextp);
 
-	NSCD_RETURN_STATUS(pbuf, NSS_SUCCESS, 0);
+	NSCD_SET_STATUS(pbuf, NSS_SUCCESS, 0);
 }
 
 /*ARGSUSED*/
@@ -1779,5 +1796,5 @@
 	nss_pheader_t	*pbuf = (nss_pheader_t *)buffer;
 
 	/* unnecessary, kept for completeness */
-	NSCD_RETURN_STATUS_SUCCESS(pbuf);
+	NSCD_SET_STATUS_SUCCESS(pbuf);
 }