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changeset 3179:80729b9ca1d6

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5079387 _get_auth_policy() doesn't provide corresponding free function 6197467 svccfg segfaults on unmatched ( 6464928 *librestart* leaks memory in restarter_get_method_context()
author jeanm
date Mon, 27 Nov 2006 13:19:44 -0800
parents 6f68dd70b05d
children 6284d3cace2d
files usr/src/cmd/svc/configd/rc_node.c usr/src/cmd/svc/startd/method.c usr/src/cmd/svc/svccfg/svccfg.y usr/src/head/secdb.h usr/src/lib/libsecdb/common/chkauthattr.c usr/src/lib/libsecdb/common/mapfile-vers
diffstat 6 files changed, 73 insertions(+), 62 deletions(-) [+]
line wrap: on
line diff
--- a/usr/src/cmd/svc/configd/rc_node.c	Mon Nov 27 13:19:18 2006 -0800
+++ b/usr/src/cmd/svc/configd/rc_node.c	Mon Nov 27 13:19:44 2006 -0800
@@ -2,9 +2,8 @@
  * CDDL HEADER START
  *
  * The contents of this file are subject to the terms of the
- * Common Development and Distribution License, Version 1.0 only
- * (the "License").  You may not use this file except in compliance
- * with the License.
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
  *
  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  * or http://www.opensolaris.org/os/licensing.
@@ -20,7 +19,7 @@
  * CDDL HEADER END
  */
 /*
- * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
@@ -960,7 +959,7 @@
 	int ret = 0;
 	uid_t uid;
 	userattr_t *uap;
-	char *authlist, *proflist, *def_prof = NULL;
+	char *authlist, *userattr_authlist, *proflist, *def_prof = NULL;
 
 	/*
 	 * Get generic authorizations from policy.conf
@@ -977,10 +976,9 @@
 
 	if (authlist != NULL) {
 		ret = check_auth_list(pcp, authlist);
-		free(authlist);
 
 		if (ret) {
-			free(def_prof);
+			_free_auth_policy(authlist, def_prof);
 			return (ret);
 		}
 	}
@@ -992,7 +990,7 @@
 
 	/* Get the uid */
 	if ((uc = get_ucred()) == NULL) {
-		free(def_prof);
+		_free_auth_policy(authlist, def_prof);
 
 		if (errno == EINVAL) {
 			/*
@@ -1019,9 +1017,9 @@
 	uap = getuseruid(uid);
 	if (uap != NULL) {
 		/* Get the authorizations from user_attr. */
-		authlist = kva_match(uap->attr, USERATTR_AUTHS_KW);
-		if (authlist != NULL)
-			ret = check_auth_list(pcp, authlist);
+		userattr_authlist = kva_match(uap->attr, USERATTR_AUTHS_KW);
+		if (userattr_authlist != NULL)
+			ret = check_auth_list(pcp, userattr_authlist);
 	}
 
 	if (!ret && def_prof != NULL) {
@@ -1035,8 +1033,7 @@
 			ret = check_prof_list(pcp, proflist);
 	}
 
-	if (def_prof != NULL)
-		free(def_prof);
+	_free_auth_policy(authlist, def_prof);
 	if (uap != NULL)
 		free_userattr(uap);
 
--- a/usr/src/cmd/svc/startd/method.c	Mon Nov 27 13:19:18 2006 -0800
+++ b/usr/src/cmd/svc/startd/method.c	Mon Nov 27 13:19:44 2006 -0800
@@ -765,6 +765,7 @@
 			log_instance(inst, B_TRUE, "Restarting too quickly, "
 			    "changing state to maintenance");
 			result = ELOOP;
+			restarter_free_method_context(mcp);
 			goto out;
 		}
 	}
@@ -773,6 +774,7 @@
 	if (pid == 0)
 		exec_method(inst, type, method, mcp, need_session);
 
+	restarter_free_method_context(mcp);
 	if (pid == -1) {
 		if (forkerr == EAGAIN)
 			result = EAGAIN;
@@ -786,7 +788,6 @@
 		goto out;
 	}
 
-	restarter_free_method_context(mcp);
 
 	/*
 	 * Get the contract id, decide whether it is primary or transient, and
--- a/usr/src/cmd/svc/svccfg/svccfg.y	Mon Nov 27 13:19:18 2006 -0800
+++ b/usr/src/cmd/svc/svccfg/svccfg.y	Mon Nov 27 13:19:44 2006 -0800
@@ -3,9 +3,8 @@
  * CDDL HEADER START
  *
  * The contents of this file are subject to the terms of the
- * Common Development and Distribution License, Version 1.0 only
- * (the "License").  You may not use this file except in compliance
- * with the License.
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
  *
  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  * or http://www.opensolaris.org/os/licensing.
@@ -20,7 +19,7 @@
  *
  * CDDL HEADER END
  *
- * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
@@ -132,15 +131,17 @@
 		(void) internal_bundle_free(b);
 		free($2);
 	}
-	| SCC_VALIDATE error terminator		{ synerr(SCC_VALIDATE); }
+	| SCC_VALIDATE error terminator	{ synerr(SCC_VALIDATE); return(0); }
 
 import_cmd : SCC_IMPORT string_list terminator
 	{
 		string_list_t *slp;
 		void *cookie = NULL;
 
-		if (engine_import($2) == -2)
+		if (engine_import($2) == -2) {
 			synerr(SCC_IMPORT);
+			return(0);
+		}
 
 		while ((slp = uu_list_teardown($2, &cookie)) != NULL) {
 			free(slp->str);
@@ -149,7 +150,7 @@
 
 		uu_list_destroy($2);
 	}
-	| SCC_IMPORT error terminator		{ synerr(SCC_IMPORT); }
+	| SCC_IMPORT error terminator	{ synerr(SCC_IMPORT); return(0); }
 
 export_cmd : SCC_EXPORT SCV_WORD terminator
 	{
@@ -162,7 +163,7 @@
 		free($2);
 		free($4);
 	}
-	| SCC_EXPORT error terminator		{ synerr(SCC_EXPORT); }
+	| SCC_EXPORT error terminator	{ synerr(SCC_EXPORT); return(0); }
 
 archive_cmd : SCC_ARCHIVE terminator
 	{
@@ -173,11 +174,11 @@
 		lscf_archive($3);
 		free($3);
 	}
-	| SCC_ARCHIVE error terminator		{ synerr(SCC_ARCHIVE); }
+	| SCC_ARCHIVE error terminator	{ synerr(SCC_ARCHIVE); return(0); }
 
 apply_cmd : SCC_APPLY SCV_WORD terminator
 					{ (void) engine_apply($2); free($2); }
-	| SCC_APPLY error terminator	{ synerr(SCC_APPLY); }
+	| SCC_APPLY error terminator	{ synerr(SCC_APPLY); return(0); }
 
 extract_cmd: SCC_EXTRACT terminator	{ lscf_profile_extract(NULL); }
 	| SCC_EXTRACT SCS_REDIRECT SCV_WORD terminator
@@ -185,18 +186,18 @@
 		lscf_profile_extract($3);
 		free($3);
 	}
-	| SCC_EXTRACT error terminator		{ synerr(SCC_EXTRACT); }
+	| SCC_EXTRACT error terminator	{ synerr(SCC_EXTRACT); return(0); }
 
 repository_cmd : SCC_REPOSITORY SCV_WORD terminator
 	{
 		lscf_set_repository($2);
 		free($2);
 	}
-	| SCC_REPOSITORY error terminator	{ synerr(SCC_REPOSITORY); }
+	| SCC_REPOSITORY error terminator   { synerr(SCC_REPOSITORY); return(0); }
 
 inventory_cmd : SCC_INVENTORY SCV_WORD terminator
 					{ lxml_inventory($2); free($2); }
-	| SCC_INVENTORY error terminator	{ synerr(SCC_INVENTORY); }
+	| SCC_INVENTORY error terminator	{ synerr(SCC_INVENTORY); return(0); }
 
 set_cmd : SCC_SET string_list terminator
 	{
@@ -212,20 +213,20 @@
 
 		uu_list_destroy($2);
 	}
-	| SCC_SET error terminator		{ synerr(SCC_SET); }
+	| SCC_SET error terminator		{ synerr(SCC_SET); return(0); }
 
 end_cmd : SCC_END terminator			{ exit(0); }
-	| SCC_END error terminator		{ synerr (SCC_END); }
+	| SCC_END error terminator		{ synerr (SCC_END); return(0); }
 
 help_cmd : SCC_HELP terminator			{ help(0); }
 	| SCC_HELP command_token terminator	{ help($2); }
-	| SCC_HELP error terminator		{ synerr(SCC_HELP); }
+	| SCC_HELP error terminator		{ synerr(SCC_HELP); return(0); }
 
 list_cmd : SCC_LIST opt_word terminator	{ lscf_list($2); free($2); }
-	| SCC_LIST error terminator	{ synerr(SCC_LIST); }
+	| SCC_LIST error terminator	{ synerr(SCC_LIST); return(0); }
 
 add_cmd : SCC_ADD SCV_WORD terminator	{ lscf_add($2); free($2); }
-	| SCC_ADD error terminator	{ synerr(SCC_ADD); }
+	| SCC_ADD error terminator	{ synerr(SCC_ADD); return(0); }
 
 delete_cmd : SCC_DELETE SCV_WORD terminator
 					{ lscf_delete($2, 0); free($2); }
@@ -237,19 +238,20 @@
 			free($3);
 		} else {
 			synerr(SCC_DELETE);
+			return(0);
 		}
 	}
-	| SCC_DELETE error terminator	{ synerr(SCC_DELETE); }
+	| SCC_DELETE error terminator	{ synerr(SCC_DELETE); return(0); }
 
 select_cmd : SCC_SELECT SCV_WORD terminator	{ lscf_select($2); free($2); }
-	| SCC_SELECT error terminator		{ synerr(SCC_SELECT); }
+	| SCC_SELECT error terminator	{ synerr(SCC_SELECT); return(0) ;}
 
 unselect_cmd : SCC_UNSELECT terminator	{ lscf_unselect(); }
-	| SCC_UNSELECT error terminator	{ synerr(SCC_UNSELECT); }
+	| SCC_UNSELECT error terminator	{ synerr(SCC_UNSELECT); return(0); }
 
 listpg_cmd : SCC_LISTPG opt_word terminator
 					{ lscf_listpg($2); free($2); }
-	| SCC_LISTPG error terminator	{ synerr(SCC_LISTPG); }
+	| SCC_LISTPG error terminator	{ synerr(SCC_LISTPG); return(0); }
 
 addpg_cmd : SCC_ADDPG SCV_WORD SCV_WORD opt_word terminator
 	{
@@ -258,15 +260,15 @@
 		free($3);
 		free($4);
 	}
-	| SCC_ADDPG error terminator	{ synerr(SCC_ADDPG); }
+	| SCC_ADDPG error terminator	{ synerr(SCC_ADDPG); return(0); }
 
 delpg_cmd : SCC_DELPG SCV_WORD terminator
 					{ lscf_delpg($2); free($2); }
-	| SCC_DELPG error terminator	{ synerr(SCC_DELPG); }
+	| SCC_DELPG error terminator	{ synerr(SCC_DELPG); return(0); }
 
 listprop_cmd : SCC_LISTPROP opt_word terminator
 					{ lscf_listprop($2); free($2); }
-	| SCC_LISTPROP error terminator	{ synerr(SCC_LISTPROP); }
+	| SCC_LISTPROP error terminator	{ synerr(SCC_LISTPROP); return(0); }
 
 setprop_cmd : SCC_SETPROP SCV_WORD SCS_EQUALS string terminator
 	{
@@ -299,15 +301,15 @@
 
 		uu_list_destroy($6);
 	}
-	| SCC_SETPROP error terminator	{ synerr(SCC_SETPROP); }
-	| SCC_SETPROP error		{ synerr(SCC_SETPROP); }
+	| SCC_SETPROP error terminator	{ synerr(SCC_SETPROP); return(0); }
+	| SCC_SETPROP error		{ synerr(SCC_SETPROP); return(0); }
 
 delprop_cmd : SCC_DELPROP SCV_WORD terminator
 					{ lscf_delprop($2); free($2); }
-	| SCC_DELPROP error terminator	{ synerr(SCC_DELPROP); }
+	| SCC_DELPROP error terminator	{ synerr(SCC_DELPROP); return(0); }
 
 editprop_cmd : SCC_EDITPROP terminator	{ lscf_editprop(); }
-	| SCC_EDITPROP error terminator	{ synerr(SCC_EDITPROP); }
+	| SCC_EDITPROP error terminator	{ synerr(SCC_EDITPROP); return(0); }
 
 addpropvalue_cmd : SCC_ADDPROPVALUE SCV_WORD string terminator
 	{
@@ -322,7 +324,7 @@
 		free($3);
 		free($4);
 	}
-	| SCC_ADDPROPVALUE error terminator { synerr(SCC_ADDPROPVALUE); }
+	| SCC_ADDPROPVALUE error terminator { synerr(SCC_ADDPROPVALUE); return(0); }
 
 delpropvalue_cmd : SCC_DELPROPVALUE SCV_WORD string terminator
 	{
@@ -330,15 +332,17 @@
 		free($2);
 		free($3);
 	}
-	| SCC_DELPROPVALUE error terminator { synerr(SCC_DELPROPVALUE); }
+	| SCC_DELPROPVALUE error terminator { synerr(SCC_DELPROPVALUE); return(0); }
 
 setenv_cmd : SCC_SETENV string_list terminator
 	{
 		string_list_t *slp;
 		void *cookie = NULL;
 
-		if (lscf_setenv($2, 0) == -2)
+		if (lscf_setenv($2, 0) == -2) {
 			synerr(SCC_SETENV);
+			return(0);
+		}
 
 		while ((slp = uu_list_teardown($2, &cookie)) != NULL) {
 			free(slp->str);
@@ -347,15 +351,17 @@
 
 		uu_list_destroy($2);
 	}
-	| SCC_SETENV error terminator		{ synerr(SCC_SETENV); }
+	| SCC_SETENV error terminator		{ synerr(SCC_SETENV); return(0); }
 
 unsetenv_cmd : SCC_UNSETENV string_list terminator
 	{
 		string_list_t *slp;
 		void *cookie = NULL;
 
-		if (lscf_setenv($2, 1) == -2)
+		if (lscf_setenv($2, 1) == -2) {
 			synerr(SCC_UNSETENV);
+			return(0);
+		}
 
 		while ((slp = uu_list_teardown($2, &cookie)) != NULL) {
 			free(slp->str);
@@ -364,18 +370,18 @@
 
 		uu_list_destroy($2);
 	}
-	| SCC_UNSETENV error terminator		{ synerr(SCC_UNSETENV); }
+	| SCC_UNSETENV error terminator	{ synerr(SCC_UNSETENV); return(0); }
 
 listsnap_cmd : SCC_LISTSNAP terminator	{ lscf_listsnap(); }
-	| SCC_LISTSNAP error terminator	{ synerr(SCC_LISTSNAP); }
+	| SCC_LISTSNAP error terminator	{ synerr(SCC_LISTSNAP); return(0); }
 
 selectsnap_cmd : SCC_SELECTSNAP opt_word terminator
 					{ lscf_selectsnap($2); free($2); }
 	| SCC_SELECTSNAP error terminator
-					{ synerr(SCC_SELECTSNAP); }
+					{ synerr(SCC_SELECTSNAP); return(0); }
 
 revert_cmd: SCC_REVERT opt_word terminator	{ lscf_revert($2); free ($2); }
-	| SCC_REVERT error terminator		{ synerr(SCC_REVERT); }
+	| SCC_REVERT error terminator		{ synerr(SCC_REVERT); return(0); }
 
 
 terminator : SCS_NEWLINE
--- a/usr/src/head/secdb.h	Mon Nov 27 13:19:18 2006 -0800
+++ b/usr/src/head/secdb.h	Mon Nov 27 13:19:44 2006 -0800
@@ -2,9 +2,8 @@
  * CDDL HEADER START
  *
  * The contents of this file are subject to the terms of the
- * Common Development and Distribution License, Version 1.0 only
- * (the "License").  You may not use this file except in compliance
- * with the License.
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
  *
  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  * or http://www.opensolaris.org/os/licensing.
@@ -20,7 +19,7 @@
  * CDDL HEADER END
  */
 /*
- * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
@@ -84,6 +83,7 @@
 extern char *_do_unescape(char *src);
 extern void _free_argv(char **p_argv);
 extern int _get_auth_policy(char **, char **);
+extern void _free_auth_policy(char *, char *);
 extern int _insert2kva(kva_t *, char *, char *);
 extern int _kva2str(kva_t *, char *, int, char *, char *);
 extern kva_t *_kva_dup(kva_t *);
@@ -101,6 +101,7 @@
 extern char *_do_unescape();
 extern void _free_argv();
 extern int _get_auth_policy();
+extern void _free_auth_policy();
 extern int  _insert2kva();
 extern int _kva2str();
 extern kva_t *_kva_dup();
--- a/usr/src/lib/libsecdb/common/chkauthattr.c	Mon Nov 27 13:19:18 2006 -0800
+++ b/usr/src/lib/libsecdb/common/chkauthattr.c	Mon Nov 27 13:19:44 2006 -0800
@@ -2,9 +2,8 @@
  * CDDL HEADER START
  *
  * The contents of this file are subject to the terms of the
- * Common Development and Distribution License, Version 1.0 only
- * (the "License").  You may not use this file except in compliance
- * with the License.
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
  *
  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  * or http://www.opensolaris.org/os/licensing.
@@ -20,7 +19,7 @@
  * CDDL HEADER END
  */
 /*
- * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
@@ -236,6 +235,13 @@
 	return (0);
 }
 
+void
+_free_auth_policy(char *def_auth, char *def_prof)
+{
+	free(def_auth);
+	free(def_prof);
+}
+
 /*
  * read /etc/security/policy.conf for AUTHS_GRANTED.
  * return 1 if found matching authname.
@@ -264,7 +270,6 @@
 	ret = 0;
 
 exit:
-	free(auths);
-	free(profs);
+	_free_auth_policy(auths, profs);
 	return (ret);
 }
--- a/usr/src/lib/libsecdb/common/mapfile-vers	Mon Nov 27 13:19:18 2006 -0800
+++ b/usr/src/lib/libsecdb/common/mapfile-vers	Mon Nov 27 13:19:44 2006 -0800
@@ -64,6 +64,7 @@
 	_csl_to_argv;
 	_do_unescape;
 	_free_argv;
+	_free_auth_policy;
 	_get_auth_policy;
 	_insert2kva;
 	_kva2str;