[SCM] Samba Shared Repository - branch master updated

Andreas Schneider asn at samba.org
Wed Nov 16 15:36:03 UTC 2016


The branch, master has been updated
       via  d333c56 source4: Change to use lib/util/access functions.
       via  584daf5 lib: util: Add allow_access_nolog().
       via  f128508 Move source3/lib/access.c to toplevel lib/util/access.c
       via  8e964cc s3: lib: Replace s3 strnequal with top level strncasecmp_m.
       via  0433700 s3: lib: Use top level function strequal_m not the s3 strequal
       via  29330d8 s3: lib: Change masked_match() from SMB_STRDUP macro to underlying smb_xstrdup function.
       via  828b60f lib/util: Move unix_wild_match() from source3/lib/util to lib/util/
       via  caadd8a s3: lib: Move from talloc_strdup then lower to strlower_talloc()
       via  076963c s3: util: Remove unneeded strequal() call. Convert to simple character check.
       via  b7a4210 s3: lib - Fix formatting of unix_wild_match() sub-function to README.Coding standards.
      from  08d1ac0 nss_wins: Fix errno values for HOST_NOT_FOUND

https://git.samba.org/?p=samba.git;a=shortlog;h=master


- Log -----------------------------------------------------------------
commit d333c56700c17ff819aa784879081d847f00903c
Author: Jeremy Allison <jra at samba.org>
Date:   Thu Nov 10 20:33:17 2016 -0800

    source4: Change to use lib/util/access functions.
    
    BUG: https://bugzilla.samba.org/show_bug.cgi?id=12419
    
    Signed-off-by: Jeremy Allison <jra at samba.org>
    Reviewed-by: Andreas Schneider <asn at samba.org>
    
    Autobuild-User(master): Andreas Schneider <asn at cryptomilk.org>
    Autobuild-Date(master): Wed Nov 16 16:35:12 CET 2016 on sn-devel-144

commit 584daf551348815342442f5b3a0d3b8f9484c5bd
Author: Jeremy Allison <jra at samba.org>
Date:   Mon Nov 14 11:48:32 2016 -0800

    lib: util: Add allow_access_nolog().
    
    Make allow_access() call allow_access_nolog(), then log.
    
    BUG: https://bugzilla.samba.org/show_bug.cgi?id=12419
    
    Signed-off-by: Jeremy Allison <jra at samba.org>
    Reviewed-by: Andreas Schneider <asn at samba.org>

commit f1285082f943d55df14bc88234ba6c321459c7b8
Author: Jeremy Allison <jra at samba.org>
Date:   Thu Nov 10 17:15:20 2016 -0800

    Move source3/lib/access.c to toplevel lib/util/access.c
    
    BUG: https://bugzilla.samba.org/show_bug.cgi?id=12419
    
    Signed-off-by: Jeremy Allison <jra at samba.org>
    Reviewed-by: Andreas Schneider <asn at samba.org>

commit 8e964cc929728b6f622f557ad9a802f457250f15
Author: Jeremy Allison <jra at samba.org>
Date:   Thu Nov 10 17:09:33 2016 -0800

    s3: lib: Replace s3 strnequal with top level strncasecmp_m.
    
    BUG: https://bugzilla.samba.org/show_bug.cgi?id=12419
    
    Signed-off-by: Jeremy Allison <jra at samba.org>
    Reviewed-by: Andreas Schneider <asn at samba.org>

commit 04337008d406894829b1ff2624818f9d8b0fc5aa
Author: Jeremy Allison <jra at samba.org>
Date:   Thu Nov 10 17:07:11 2016 -0800

    s3: lib: Use top level function strequal_m not the s3 strequal
    
    BUG: https://bugzilla.samba.org/show_bug.cgi?id=12419
    
    Signed-off-by: Jeremy Allison <jra at samba.org>
    Reviewed-by: Andreas Schneider <asn at samba.org>

commit 29330d8d666848e56ac04f365f8370face0f7af3
Author: Jeremy Allison <jra at samba.org>
Date:   Thu Nov 10 17:02:08 2016 -0800

    s3: lib: Change masked_match() from SMB_STRDUP macro to underlying smb_xstrdup function.
    
    BUG: https://bugzilla.samba.org/show_bug.cgi?id=12419
    
    Signed-off-by: Jeremy Allison <jra at samba.org>
    Reviewed-by: Andreas Schneider <asn at samba.org>

commit 828b60f30debce84a057dda2551f2fd494327872
Author: Jeremy Allison <jra at samba.org>
Date:   Fri Nov 11 10:35:01 2016 -0800

    lib/util: Move unix_wild_match() from source3/lib/util to lib/util/
    
    Use top-level functions instead of source3 specific ones.
    
    BUG: https://bugzilla.samba.org/show_bug.cgi?id=12419
    
    Signed-off-by: Jeremy Allison <jra at samba.org>
    Reviewed-by: Andreas Schneider <asn at samba.org>

commit caadd8afe65cd17f47c737bb483ad05362071fb7
Author: Jeremy Allison <jra at samba.org>
Date:   Fri Nov 11 10:24:40 2016 -0800

    s3: lib: Move from talloc_strdup then lower to strlower_talloc()
    
    Do things in one go.
    
    BUG: https://bugzilla.samba.org/show_bug.cgi?id=12419
    
    Signed-off-by: Jeremy Allison <jra at samba.org>
    Reviewed-by: Andreas Schneider <asn at samba.org>

commit 076963c23efc901b5ee47e5ec3758117dcb37994
Author: Jeremy Allison <jra at samba.org>
Date:   Fri Nov 11 10:22:52 2016 -0800

    s3: util: Remove unneeded strequal() call. Convert to simple character check.
    
    BUG: https://bugzilla.samba.org/show_bug.cgi?id=12419
    
    Signed-off-by: Jeremy Allison <jra at samba.org>
    Reviewed-by: Andreas Schneider <asn at samba.org>

commit b7a4210e283fdadb46fa0d1142958d5e0f7fd2fa
Author: Jeremy Allison <jra at samba.org>
Date:   Fri Nov 11 10:21:10 2016 -0800

    s3: lib - Fix formatting of unix_wild_match() sub-function to README.Coding standards.
    
    BUG: https://bugzilla.samba.org/show_bug.cgi?id=12419
    
    Signed-off-by: Jeremy Allison <jra at samba.org>
    Reviewed-by: Andreas Schneider <asn at samba.org>

-----------------------------------------------------------------------

Summary of changes:
 {source3/lib => lib/util}/access.c                 |  55 +++--
 lib/util/access.h                                  |  28 +++
 lib/util/unix_match.c                              | 183 ++++++++++++++++
 file_server/file_server.h => lib/util/unix_match.h |  16 +-
 lib/util/wscript_build                             |   7 +-
 source3/include/proto.h                            |  12 +-
 source3/lib/util.c                                 | 146 -------------
 source3/wscript_build                              |   3 +-
 source4/dsdb/common/util.c                         |   3 +-
 source4/lib/socket/access.c                        | 237 +--------------------
 source4/lib/socket/socket.h                        |   3 -
 source4/lib/socket/wscript_build                   |   2 +-
 12 files changed, 271 insertions(+), 424 deletions(-)
 rename {source3/lib => lib/util}/access.c (86%)
 create mode 100644 lib/util/access.h
 create mode 100644 lib/util/unix_match.c
 copy file_server/file_server.h => lib/util/unix_match.h (79%)


Changeset truncated at 500 lines:

diff --git a/source3/lib/access.c b/lib/util/access.c
similarity index 86%
rename from source3/lib/access.c
rename to lib/util/access.c
index ad868fa..859824c 100644
--- a/source3/lib/access.c
+++ b/lib/util/access.c
@@ -13,6 +13,12 @@
 #include "includes.h"
 #include "../lib/util/memcache.h"
 #include "lib/socket/interfaces.h"
+#include "lib/util/samba_util.h"
+#include "lib/util/util_net.h"
+#include "lib/util/samba_util.h"
+#include "lib/util/memory.h"
+#include "lib/util/access.h"
+#include "lib/util/unix_match.h"
 
 #define NAME_INDEX 0
 #define ADDR_INDEX 1
@@ -31,14 +37,14 @@ static bool masked_match(const char *tok, const char *slash, const char *s)
 
 	if (*tok == '[') {
 		/* IPv6 address - remove braces. */
-		tok_copy = SMB_STRDUP(tok+1);
+		tok_copy = smb_xstrdup(tok+1);
 		if (!tok_copy) {
 			return false;
 		}
 		/* Remove the terminating ']' */
 		tok_copy[PTR_DIFF(slash,tok)-1] = '\0';
 	} else {
-		tok_copy = SMB_STRDUP(tok);
+		tok_copy = smb_xstrdup(tok);
 		if (!tok_copy) {
 			return false;
 		}
@@ -96,7 +102,7 @@ static bool string_match(const char *tok,const char *s)
 
 	if (tok[0] == '.') {			/* domain: match last fields */
 		if ((str_len = strlen(s)) > (tok_len = strlen(tok))
-		    && strequal(tok, s + str_len - tok_len)) {
+		    && strequal_m(tok, s + str_len - tok_len)) {
 			return true;
 		}
 	} else if (tok[0] == '@') { /* netgroup: look it up */
@@ -128,7 +134,7 @@ static bool string_match(const char *tok,const char *s)
 			DEBUG(0,("Unable to get default yp domain. "
 				"Try without it.\n"));
 		}
-		if (!(hostname = SMB_STRDUP(s))) {
+		if (!(hostname = smb_xstrdup(s))) {
 			DEBUG(1,("out of memory for strdup!\n"));
 			return false;
 		}
@@ -149,15 +155,15 @@ static bool string_match(const char *tok,const char *s)
 		DEBUG(0,("access: netgroup support is not configured\n"));
 		return false;
 #endif
-	} else if (strequal(tok, "ALL")) {	/* all: match any */
+	} else if (strequal_m(tok, "ALL")) {	/* all: match any */
 		return true;
-	} else if (strequal(tok, "FAIL")) {	/* fail: match any */
+	} else if (strequal_m(tok, "FAIL")) {	/* fail: match any */
 		return true;
-	} else if (strequal(tok, "LOCAL")) {	/* local: no dots */
-		if (strchr_m(s, '.') == 0 && !strequal(s, "unknown")) {
+	} else if (strequal_m(tok, "LOCAL")) {	/* local: no dots */
+		if (strchr_m(s, '.') == 0 && !strequal_m(s, "unknown")) {
 			return true;
 		}
-	} else if (strequal(tok, s)) {   /* match host name or address */
+	} else if (strequal_m(tok, s)) {   /* match host name or address */
 		return true;
 	} else if (tok[(tok_len = strlen(tok)) - 1] == '.') {	/* network */
 		if (strncmp(tok, s, tok_len) == 0) {
@@ -191,11 +197,11 @@ bool client_match(const char *tok, const void *item)
 	 * Bug #5311 and #7383.
 	 */
 
-	if (strnequal(tok_addr, "::ffff:",7)) {
+	if (strncasecmp_m(tok_addr, "::ffff:", 7) == 0) {
 		tok_addr += 7;
 	}
 
-	if (strnequal(cli_addr,"::ffff:",7)) {
+	if (strncasecmp_m(cli_addr, "::ffff:", 7) == 0) {
 		cli_addr += 7;
 	}
 
@@ -235,7 +241,7 @@ bool list_match(const char **list,const void *item,
 	 */
 
 	for (; *list ; list++) {
-		if (strequal(*list, "EXCEPT")) {
+		if (strequal_m(*list, "EXCEPT")) {
 			/* EXCEPT: give up */
 			break;
 		}
@@ -247,7 +253,7 @@ bool list_match(const char **list,const void *item,
 	/* Process exceptions to true or FAIL matches. */
 
 	if (match != false) {
-		while (*list  && !strequal(*list, "EXCEPT")) {
+		while (*list  && !strequal_m(*list, "EXCEPT")) {
 			list++;
 		}
 
@@ -321,8 +327,8 @@ static bool allow_access_internal(const char **deny_list,
 	return true;
 }
 
-/* return true if access should be allowed */
-bool allow_access(const char **deny_list,
+/* return true if access should be allowed - doesn't print log message */
+bool allow_access_nolog(const char **deny_list,
 		const char **allow_list,
 		const char *cname,
 		const char *caddr)
@@ -333,11 +339,24 @@ bool allow_access(const char **deny_list,
 
 	ret = allow_access_internal(deny_list, allow_list, nc_cname, nc_caddr);
 
+	SAFE_FREE(nc_cname);
+	SAFE_FREE(nc_caddr);
+	return ret;
+}
+
+/* return true if access should be allowed - prints log message */
+bool allow_access(const char **deny_list,
+		const char **allow_list,
+		const char *cname,
+		const char *caddr)
+{
+	bool ret;
+
+	ret = allow_access_nolog(deny_list, allow_list, cname, caddr);
+
 	DEBUG(ret ? 3 : 0,
 	      ("%s connection from %s (%s)\n",
-	       ret ? "Allowed" : "Denied", nc_cname, nc_caddr));
+	       ret ? "Allowed" : "Denied", cname, caddr));
 
-	SAFE_FREE(nc_cname);
-	SAFE_FREE(nc_caddr);
 	return ret;
 }
diff --git a/lib/util/access.h b/lib/util/access.h
new file mode 100644
index 0000000..73f71b6
--- /dev/null
+++ b/lib/util/access.h
@@ -0,0 +1,28 @@
+/*
+   This module is an adaption of code from the tcpd-1.4 package written
+   by Wietse Venema, Eindhoven University of Technology, The Netherlands.
+
+   The code is used here with permission.
+
+   The code has been considerably changed from the original. Bug reports
+   should be sent to samba-technical at lists.samba.org
+
+   Updated for IPv6 by Jeremy Allison (C) 2007.
+*/
+
+#ifndef _UTIL_ACCESS_H_
+#define _UTIL_ACCESS_H_
+
+bool client_match(const char *tok, const void *item);
+bool list_match(const char **list,const void *item,
+		bool (*match_fn)(const char *, const void *));
+bool allow_access_nolog(const char **deny_list,
+		const char **allow_list,
+		const char *cname,
+		const char *caddr);
+bool allow_access(const char **deny_list,
+		const char **allow_list,
+		const char *cname,
+		const char *caddr);
+
+#endif
diff --git a/lib/util/unix_match.c b/lib/util/unix_match.c
new file mode 100644
index 0000000..38edc18
--- /dev/null
+++ b/lib/util/unix_match.c
@@ -0,0 +1,183 @@
+/*
+   Unix SMB/CIFS implementation.
+   Samba utility functions
+   Copyright (C) Jeremy Allison       2001
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "replace.h"
+#include <talloc.h>
+#include "lib/util/talloc_stack.h"
+#include "lib/util/charset/charset.h"
+#include "lib/util/unix_match.h"
+
+/*********************************************************
+ Recursive routine that is called by unix_wild_match.
+*********************************************************/
+
+static bool unix_do_match(const char *regexp, const char *str)
+{
+	const char *p;
+
+	for( p = regexp; *p && *str; ) {
+
+		switch(*p) {
+			case '?':
+				str++;
+				p++;
+				break;
+
+			case '*':
+
+				/*
+				 * Look for a character matching
+				 * the one after the '*'.
+				 */
+				p++;
+				if(!*p) {
+					return true; /* Automatic match */
+				}
+				while(*str) {
+
+					while(*str && (*p != *str)) {
+						str++;
+					}
+
+					/*
+					 * Patch from weidel at multichart.de.
+					 * In the case of the regexp
+					 * '*XX*' we want to ensure there are
+					 * at least 2 'X' characters in the
+					 * string after the '*' for a match to
+					 * be made.
+					 */
+
+					{
+						int matchcount=0;
+
+						/*
+						 * Eat all the characters that
+						 * match, but count how many
+						 * there were.
+						 */
+
+						while(*str && (*p == *str)) {
+							str++;
+							matchcount++;
+						}
+
+						/*
+						 * Now check that if the regexp
+						 * had n identical characters
+						 * that matchcount had at least
+						 * that many matches.
+						 */
+
+						while (*(p+1) && (*(p+1)==*p)) {
+							p++;
+							matchcount--;
+						}
+
+						if ( matchcount <= 0 ) {
+							return false;
+						}
+					}
+
+					/*
+					 * We've eaten the match char
+					 * after the '*'
+					 */
+					str--;
+
+					if(unix_do_match(p, str)) {
+						return true;
+					}
+
+					if(!*str) {
+						return false;
+					} else {
+						str++;
+					}
+				}
+				return false;
+
+			default:
+				if(*str != *p) {
+					return false;
+				}
+				str++;
+				p++;
+				break;
+		}
+	}
+
+	if(!*p && !*str) {
+		return true;
+	}
+
+	if (!*p && str[0] == '.' && str[1] == 0) {
+		return true;
+	}
+
+	if (!*str && *p == '?') {
+		while (*p == '?') {
+			p++;
+		}
+		return(!*p);
+	}
+
+	if(!*str && (*p == '*' && p[1] == '\0')) {
+		return true;
+	}
+
+	return false;
+}
+
+/*******************************************************************
+ Simple case insensitive interface to a UNIX wildcard matcher.
+ Returns True if match, False if not.
+*******************************************************************/
+
+bool unix_wild_match(const char *pattern, const char *string)
+{
+	TALLOC_CTX *ctx = talloc_stackframe();
+	char *p2;
+	char *s2;
+	char *p;
+	bool ret = false;
+
+	p2 = strlower_talloc(ctx, pattern);
+	s2 = strlower_talloc(ctx, string);
+	if (!p2 || !s2) {
+		TALLOC_FREE(ctx);
+		return false;
+	}
+
+	/* Remove any *? and ** from the pattern as they are meaningless */
+	for(p = p2; *p; p++) {
+		while( *p == '*' && (p[1] == '?' ||p[1] == '*')) {
+			memmove(&p[1], &p[2], strlen(&p[2])+1);
+		}
+	}
+
+	if (p2[0] == '*' && p2[1] == '\0') {
+		TALLOC_FREE(ctx);
+		return true;
+	}
+
+	ret = unix_do_match(p2, s2);
+	TALLOC_FREE(ctx);
+	return ret;
+}
diff --git a/file_server/file_server.h b/lib/util/unix_match.h
similarity index 79%
copy from file_server/file_server.h
copy to lib/util/unix_match.h
index 7da9437..a7b6935 100644
--- a/file_server/file_server.h
+++ b/lib/util/unix_match.h
@@ -1,9 +1,7 @@
 /*
    Unix SMB/CIFS implementation.
-
-   run s3 file server within Samba4
-
-   Copyright (C) Andrew Tridgell	2011
+   Utility functions for Samba
+   Copyright (C) Jeremy Allison 2001
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -19,7 +17,9 @@
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-/*
-  open the s3 smb server sockets
-*/
-void s3_smbd_task_init(struct task_server *task);
+#ifndef _UNIX_MASK_H_
+#define _UNIX_MASK_H_
+
+bool unix_wild_match(const char *pattern, const char *string);
+
+#endif
diff --git a/lib/util/wscript_build b/lib/util/wscript_build
index 6d2ab4a..9b51f0e 100755
--- a/lib/util/wscript_build
+++ b/lib/util/wscript_build
@@ -120,7 +120,7 @@ else:
                     idtree_random.c base64.c
                     util_str.c util_str_common.c ms_fnmatch.c
                     server_id.c dprintf.c bitmap.c pidfile.c
-                    tevent_debug.c memcache.c''',
+                    tevent_debug.c memcache.c unix_match.c''',
                   deps='samba-util-core DYNCONFIG close-low-fd tini tiniparser genrand',
                   public_deps='talloc tevent execinfo pthread LIBCRYPTO charset util_setid systemd systemd-daemon',
                   public_headers='debug.h attr.h byteorder.h data_blob.h memory.h safe_string.h time.h talloc_stack.h xfile.h string_wrappers.h idtree.h idtree_random.h blocking.h signal.h substitute.h fault.h genrand.h',
@@ -199,3 +199,8 @@ else:
                       deps='talloc tdb strv util_tdb tdb-wrap samba-util',
                       local_include=False,
                       private_library=True)
+
+    bld.SAMBA_SUBSYSTEM('access',
+                        source='access.c',
+                        deps='interfaces samba-util',
+                        local_include=False)
diff --git a/source3/include/proto.h b/source3/include/proto.h
index 0b0a2b5..33e3f6c 100644
--- a/source3/include/proto.h
+++ b/source3/include/proto.h
@@ -26,15 +26,7 @@
 #include <sys/types.h>
 #include <regex.h>
 
-/* The following definitions come from lib/access.c  */
-
-bool client_match(const char *tok, const void *item);
-bool list_match(const char **list,const void *item,
-		bool (*match_fn)(const char *, const void *));
-bool allow_access(const char **deny_list,
-		const char **allow_list,
-		const char *cname,
-		const char *caddr);
+#include "lib/util/access.h"
 
 /* The following definitions come from lib/adt_tree.c  */
 
@@ -411,7 +403,7 @@ bool ms_has_wild_w(const smb_ucs2_t *s);
 bool mask_match(const char *string, const char *pattern, bool is_case_sensitive);
 bool mask_match_search(const char *string, const char *pattern, bool is_case_sensitive);
 bool mask_match_list(const char *string, char **list, int listLen, bool is_case_sensitive);
-bool unix_wild_match(const char *pattern, const char *string);
+#include "lib/util/unix_match.h"
 bool name_to_fqdn(fstring fqdn, const char *name);
 uint32_t map_share_mode_to_deny_mode(uint32_t share_access, uint32_t private_options);
 
diff --git a/source3/lib/util.c b/source3/lib/util.c
index bab3998..85cb9b3 100644
--- a/source3/lib/util.c
+++ b/source3/lib/util.c
@@ -1785,152 +1785,6 @@ bool mask_match_list(const char *string, char **list, int listLen, bool is_case_
        return False;
 }
 
-/*********************************************************
- Recursive routine that is called by unix_wild_match.
-*********************************************************/
-
-static bool unix_do_match(const char *regexp, const char *str)
-{
-	const char *p;
-
-	for( p = regexp; *p && *str; ) {
-
-		switch(*p) {
-			case '?':
-				str++;
-				p++;
-				break;
-
-			case '*':
-
-				/*
-				 * Look for a character matching 
-				 * the one after the '*'.
-				 */
-				p++;
-				if(!*p)
-					return true; /* Automatic match */
-				while(*str) {
-
-					while(*str && (*p != *str))
-						str++;
-
-					/*
-					 * Patch from weidel at multichart.de. In the case of the regexp
-					 * '*XX*' we want to ensure there are at least 2 'X' characters
-					 * in the string after the '*' for a match to be made.
-					 */
-
-					{


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