[SCM] Samba Shared Repository - branch master updated

Jeremy Allison jra at samba.org
Tue Oct 16 19:21:02 UTC 2018


The branch, master has been updated
       via  2557ae5 lib: Move the "expired" for gencache_parse calculation into gencache.c
       via  fdb5081 namemap_cache: Absorb the expired calculation into namemap_cache.c
       via  fb573c6 winbindd_cache: Fix timeout calculation for sid<->name cache
      from  9291a33 s3:lib:popt: Use memset_s() to burn password string

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


- Log -----------------------------------------------------------------
commit 2557ae53edcdb723a400f12d54081ef0c13b7600
Author: Volker Lendecke <vl at samba.org>
Date:   Sat Oct 13 13:41:59 2018 +0200

    lib: Move the "expired" for gencache_parse calculation into gencache.c
    
    Make it more robust
    
    Signed-off-by: Volker Lendecke <vl at samba.org>
    Reviewed-by: Jeremy Allison <jra at samba.org>
    
    Autobuild-User(master): Jeremy Allison <jra at samba.org>
    Autobuild-Date(master): Tue Oct 16 21:20:19 CEST 2018 on sn-devel-144

commit fdb50817cac2423adae3daf94759ecf1e6580760
Author: Volker Lendecke <vl at samba.org>
Date:   Sat Oct 13 12:01:41 2018 +0200

    namemap_cache: Absorb the expired calculation into namemap_cache.c
    
    Signed-off-by: Volker Lendecke <vl at samba.org>
    Reviewed-by: Jeremy Allison <jra at samba.org>

commit fb573c682353daf5b343b6a0f4832dcbc96ebc57
Author: Volker Lendecke <vl at samba.org>
Date:   Sat Oct 13 11:39:03 2018 +0200

    winbindd_cache: Fix timeout calculation for sid<->name cache
    
    Signed-off-by: Volker Lendecke <vl at samba.org>
    Reviewed-by: Jeremy Allison <jra at samba.org>

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

Summary of changes:
 source3/lib/gencache.c               | 38 +++++++++++++++++++++----------
 source3/lib/gencache.h               | 11 ++++++++-
 source3/lib/idmap_cache.c            |  5 +++--
 source3/lib/namemap_cache.c          | 43 +++++++++++++++++++++++++-----------
 source3/lib/namemap_cache.h          | 12 ++++++----
 source3/lib/util.c                   |  6 +++--
 source3/torture/test_namemap_cache.c | 27 ++++++++++++++--------
 source3/torture/torture.c            |  4 +++-
 source3/winbindd/wb_dsgetdcname.c    |  6 +++--
 source3/winbindd/winbindd_cache.c    | 13 ++++++-----
 10 files changed, 114 insertions(+), 51 deletions(-)


Changeset truncated at 500 lines:

diff --git a/source3/lib/gencache.c b/source3/lib/gencache.c
index b4d374b..787ef98 100644
--- a/source3/lib/gencache.c
+++ b/source3/lib/gencache.c
@@ -42,6 +42,14 @@ static struct tdb_wrap *cache_notrans;
  *
  **/
 
+struct gencache_timeout {
+	time_t timeout;
+};
+
+bool gencache_timeout_expired(const struct gencache_timeout *t)
+{
+	return t->timeout <= time(NULL);
+}
 
 /**
  * Cache initialisation function. Opens cache tdb file or creates
@@ -131,7 +139,8 @@ struct gencache_have_val_state {
 	bool gotit;
 };
 
-static void gencache_have_val_parser(time_t old_timeout, DATA_BLOB data,
+static void gencache_have_val_parser(const struct gencache_timeout *old_timeout,
+				     DATA_BLOB data,
 				     void *private_data)
 {
 	struct gencache_have_val_state *state =
@@ -146,7 +155,7 @@ static void gencache_have_val_parser(time_t old_timeout, DATA_BLOB data,
 	 * value, just extending the remaining timeout by less than 10%.
 	 */
 
-	cache_time_left = old_timeout - now;
+	cache_time_left = old_timeout->timeout - now;
 	if (cache_time_left <= 0) {
 		/*
 		 * timed out, write new value
@@ -338,10 +347,11 @@ done:
 	return ret == 0;
 }
 
-static void gencache_del_parser(time_t timeout, DATA_BLOB blob,
+static void gencache_del_parser(const struct gencache_timeout *t,
+				DATA_BLOB blob,
 				void *private_data)
 {
-	if (timeout != 0) {
+	if (t->timeout != 0) {
 		bool *exists = private_data;
 		*exists = true;
 	}
@@ -419,7 +429,9 @@ static bool gencache_pull_timeout(uint8_t *val, time_t *pres, char **payload)
 }
 
 struct gencache_parse_state {
-	void (*parser)(time_t timeout, DATA_BLOB blob, void *private_data);
+	void (*parser)(const struct gencache_timeout *timeout,
+		       DATA_BLOB blob,
+		       void *private_data);
 	void *private_data;
 	bool copy_to_notrans;
 };
@@ -428,21 +440,21 @@ static int gencache_parse_fn(TDB_DATA key, TDB_DATA data, void *private_data)
 {
 	struct gencache_parse_state *state;
 	DATA_BLOB blob;
-	time_t t;
+	struct gencache_timeout t;
 	char *payload;
 	bool ret;
 
 	if (data.dptr == NULL) {
 		return -1;
 	}
-	ret = gencache_pull_timeout(data.dptr, &t, &payload);
+	ret = gencache_pull_timeout(data.dptr, &t.timeout, &payload);
 	if (!ret) {
 		return -1;
 	}
 	state = (struct gencache_parse_state *)private_data;
 	blob = data_blob_const(
 		payload, data.dsize - PTR_DIFF(payload, data.dptr));
-	state->parser(t, blob, state->private_data);
+	state->parser(&t, blob, state->private_data);
 
 	if (state->copy_to_notrans) {
 		tdb_store(cache_notrans->tdb, key, data, 0);
@@ -452,7 +464,8 @@ static int gencache_parse_fn(TDB_DATA key, TDB_DATA data, void *private_data)
 }
 
 bool gencache_parse(const char *keystr,
-		    void (*parser)(time_t timeout, DATA_BLOB blob,
+		    void (*parser)(const struct gencache_timeout *timeout,
+				   DATA_BLOB blob,
 				   void *private_data),
 		    void *private_data)
 {
@@ -511,17 +524,18 @@ struct gencache_get_data_blob_state {
 	bool result;
 };
 
-static void gencache_get_data_blob_parser(time_t timeout, DATA_BLOB blob,
+static void gencache_get_data_blob_parser(const struct gencache_timeout *t,
+					  DATA_BLOB blob,
 					  void *private_data)
 {
 	struct gencache_get_data_blob_state *state =
 		(struct gencache_get_data_blob_state *)private_data;
 
-	if (timeout == 0) {
+	if (t->timeout == 0) {
 		state->result = false;
 		return;
 	}
-	state->timeout = timeout;
+	state->timeout = t->timeout;
 
 	if (state->blob == NULL) {
 		state->result = true;
diff --git a/source3/lib/gencache.h b/source3/lib/gencache.h
index fa72a4a..3d8ebe5 100644
--- a/source3/lib/gencache.h
+++ b/source3/lib/gencache.h
@@ -32,8 +32,17 @@ bool gencache_set(const char *keystr, const char *value, time_t timeout);
 bool gencache_del(const char *keystr);
 bool gencache_get(const char *keystr, TALLOC_CTX *mem_ctx, char **value,
 		  time_t *ptimeout);
+
+/*
+ * This might look like overkill, but namemap_cache.c shows it's
+ * necessary :-)
+ */
+struct gencache_timeout;
+bool gencache_timeout_expired(const struct gencache_timeout *t);
+
 bool gencache_parse(const char *keystr,
-		    void (*parser)(time_t timeout, DATA_BLOB blob,
+		    void (*parser)(const struct gencache_timeout *timeout,
+				   DATA_BLOB blob,
 				   void *private_data),
 		    void *private_data);
 bool gencache_get_data_blob(const char *keystr, TALLOC_CTX *mem_ctx,
diff --git a/source3/lib/idmap_cache.c b/source3/lib/idmap_cache.c
index 1e8a1eb..1877236 100644
--- a/source3/lib/idmap_cache.c
+++ b/source3/lib/idmap_cache.c
@@ -194,7 +194,8 @@ struct idmap_cache_xid2sid_state {
 	bool ret;
 };
 
-static void idmap_cache_xid2sid_parser(time_t timeout, DATA_BLOB blob,
+static void idmap_cache_xid2sid_parser(const struct gencache_timeout *timeout,
+				       DATA_BLOB blob,
 				       void *private_data)
 {
 	struct idmap_cache_xid2sid_state *state =
@@ -217,7 +218,7 @@ static void idmap_cache_xid2sid_parser(time_t timeout, DATA_BLOB blob,
 		state->ret = string_to_sid(state->sid, value);
 	}
 	if (state->ret) {
-		*state->expired = (timeout <= time(NULL));
+		*state->expired = gencache_timeout_expired(timeout);
 	}
 }
 
diff --git a/source3/lib/namemap_cache.c b/source3/lib/namemap_cache.c
index 38f7a2d..c153aa6 100644
--- a/source3/lib/namemap_cache.c
+++ b/source3/lib/namemap_cache.c
@@ -85,15 +85,19 @@ fail:
 }
 
 struct namemap_cache_find_sid_state {
-	void (*fn)(const char *domain, const char *name,
-		   enum lsa_SidType type, time_t timeout,
+	void (*fn)(const char *domain,
+		   const char *name,
+		   enum lsa_SidType type,
+		   bool expired,
 		   void *private_data);
 	void *private_data;
 	bool ok;
 };
 
-static void namemap_cache_find_sid_parser(time_t timeout, DATA_BLOB blob,
-					  void *private_data)
+static void namemap_cache_find_sid_parser(
+	const struct gencache_timeout *timeout,
+	DATA_BLOB blob,
+	void *private_data)
 {
 	struct namemap_cache_find_sid_state *state = private_data;
 	const char *strv = (const char *)blob.data;
@@ -127,15 +131,20 @@ static void namemap_cache_find_sid_parser(time_t timeout, DATA_BLOB blob,
 		return;
 	}
 
-	state->fn(domain, name, (enum lsa_SidType)type, timeout,
+	state->fn(domain,
+		  name,
+		  (enum lsa_SidType)type,
+		  gencache_timeout_expired(timeout),
 		  state->private_data);
 
 	state->ok = true;
 }
 
 bool namemap_cache_find_sid(const struct dom_sid *sid,
-			    void (*fn)(const char *domain, const char *name,
-				       enum lsa_SidType type, time_t timeout,
+			    void (*fn)(const char *domain,
+				       const char *name,
+				       enum lsa_SidType type,
+				       bool expired,
 				       void *private_data),
 			    void *private_data)
 {
@@ -227,14 +236,17 @@ fail:
 
 struct namemap_cache_find_name_state {
 	void (*fn)(const struct dom_sid *sid,
-		   enum lsa_SidType type, time_t timeout,
+		   enum lsa_SidType type,
+		   bool expired,
 		   void *private_data);
 	void *private_data;
 	bool ok;
 };
 
-static void namemap_cache_find_name_parser(time_t timeout, DATA_BLOB blob,
-					   void *private_data)
+static void namemap_cache_find_name_parser(
+	const struct gencache_timeout *timeout,
+	DATA_BLOB blob,
+	void *private_data)
 {
 	struct namemap_cache_find_name_state *state = private_data;
 	const char *strv = (const char *)blob.data;
@@ -274,14 +286,19 @@ static void namemap_cache_find_name_parser(time_t timeout, DATA_BLOB blob,
 		return;
 	}
 
-	state->fn(&sid, (enum lsa_SidType)type, timeout, state->private_data);
+	state->fn(&sid,
+		  (enum lsa_SidType)type,
+		  gencache_timeout_expired(timeout),
+		  state->private_data);
 
 	state->ok = true;
 }
 
-bool namemap_cache_find_name(const char *domain, const char *name,
+bool namemap_cache_find_name(const char *domain,
+			     const char *name,
 			     void (*fn)(const struct dom_sid *sid,
-					enum lsa_SidType type, time_t timeout,
+					enum lsa_SidType type,
+					bool expired,
 					void *private_data),
 			     void *private_data)
 {
diff --git a/source3/lib/namemap_cache.h b/source3/lib/namemap_cache.h
index a70de34..5de8ce4 100644
--- a/source3/lib/namemap_cache.h
+++ b/source3/lib/namemap_cache.h
@@ -32,13 +32,17 @@ bool namemap_cache_set_name2sid(const char *domain, const char *name,
 				enum lsa_SidType type,
 				time_t timeout);
 bool namemap_cache_find_sid(const struct dom_sid *sid,
-			    void (*fn)(const char *domain, const char *name,
-				       enum lsa_SidType type, time_t timeout,
+			    void (*fn)(const char *domain,
+				       const char *name,
+				       enum lsa_SidType type,
+				       bool expired,
 				       void *private_data),
 			    void *private_data);
-bool namemap_cache_find_name(const char *domain, const char *name,
+bool namemap_cache_find_name(const char *domain,
+			     const char *name,
 			     void (*fn)(const struct dom_sid *sid,
-					enum lsa_SidType type, time_t timeout,
+					enum lsa_SidType type,
+					bool expired,
 					void *private_data),
 			     void *private_data);
 
diff --git a/source3/lib/util.c b/source3/lib/util.c
index 394fa5f..da8ec55 100644
--- a/source3/lib/util.c
+++ b/source3/lib/util.c
@@ -1242,12 +1242,14 @@ struct ra_parser_state {
 	enum remote_arch_types ra;
 };
 
-static void ra_parser(time_t timeout, DATA_BLOB blob, void *priv_data)
+static void ra_parser(const struct gencache_timeout *t,
+		      DATA_BLOB blob,
+		      void *priv_data)
 {
 	struct ra_parser_state *state = (struct ra_parser_state *)priv_data;
 	const char *ra_str = NULL;
 
-	if (timeout <= time(NULL)) {
+	if (gencache_timeout_expired(t)) {
 		return;
 	}
 
diff --git a/source3/torture/test_namemap_cache.c b/source3/torture/test_namemap_cache.c
index 07c6bf4..01dd1b7 100644
--- a/source3/torture/test_namemap_cache.c
+++ b/source3/torture/test_namemap_cache.c
@@ -26,8 +26,10 @@ static const struct dom_sid domsid = {
 	1, 4, {0,0,0,0,0,5}, {21, 123, 456, 789}
 };
 
-static void namemap_cache1_fn1(const char *domain, const char *name,
-			       enum lsa_SidType type, time_t timeout,
+static void namemap_cache1_fn1(const char *domain,
+			       const char *name,
+			       enum lsa_SidType type,
+			       bool expired,
 			       void *private_data)
 {
 	bool *p_ok = private_data;
@@ -41,7 +43,8 @@ static void namemap_cache1_fn1(const char *domain, const char *name,
 }
 
 static void namemap_cache1_fn2(const struct dom_sid *sid,
-			       enum lsa_SidType type, time_t timeout,
+			       enum lsa_SidType type,
+			       bool expired,
 			       void *private_data)
 {
 	bool *p_ok = private_data;
@@ -53,8 +56,10 @@ static void namemap_cache1_fn2(const struct dom_sid *sid,
 	*p_ok = ok;
 }
 
-static void namemap_cache1_fn3(const char *domain, const char *name,
-			       enum lsa_SidType type, time_t timeout,
+static void namemap_cache1_fn3(const char *domain,
+			       const char *name,
+			       enum lsa_SidType type,
+			       bool expired,
 			       void *private_data)
 {
 	bool *p_ok = private_data;
@@ -68,7 +73,8 @@ static void namemap_cache1_fn3(const char *domain, const char *name,
 }
 
 static void namemap_cache1_fn4(const struct dom_sid *sid,
-			       enum lsa_SidType type, time_t timeout,
+			       enum lsa_SidType type,
+			       bool expired,
 			       void *private_data)
 {
 	bool *p_ok = private_data;
@@ -80,8 +86,10 @@ static void namemap_cache1_fn4(const struct dom_sid *sid,
 	*p_ok = ok;
 }
 
-static void namemap_cache1_fn5(const char *domain, const char *name,
-			       enum lsa_SidType type, time_t timeout,
+static void namemap_cache1_fn5(const char *domain,
+			       const char *name,
+			       enum lsa_SidType type,
+			       bool expired,
 			       void *private_data)
 {
 	bool *p_ok = private_data;
@@ -95,7 +103,8 @@ static void namemap_cache1_fn5(const char *domain, const char *name,
 }
 
 static void namemap_cache1_fn6(const struct dom_sid *sid,
-			       enum lsa_SidType type, time_t timeout,
+			       enum lsa_SidType type,
+			       bool expired,
 			       void *private_data)
 {
 	bool *p_ok = private_data;
diff --git a/source3/torture/torture.c b/source3/torture/torture.c
index 0985609..3053596 100644
--- a/source3/torture/torture.c
+++ b/source3/torture/torture.c
@@ -10238,7 +10238,9 @@ static bool run_local_base64(int dummy)
 	return ret;
 }
 
-static void parse_fn(time_t timeout, DATA_BLOB blob, void *private_data)
+static void parse_fn(const struct gencache_timeout *t,
+		     DATA_BLOB blob,
+		     void *private_data)
 {
 	return;
 }
diff --git a/source3/winbindd/wb_dsgetdcname.c b/source3/winbindd/wb_dsgetdcname.c
index 2f450c7..cbd2cf6 100644
--- a/source3/winbindd/wb_dsgetdcname.c
+++ b/source3/winbindd/wb_dsgetdcname.c
@@ -171,12 +171,14 @@ struct dcinfo_parser_state {
 	struct netr_DsRGetDCNameInfo *dcinfo;
 };
 
-static void dcinfo_parser(time_t timeout, DATA_BLOB blob, void *private_data)
+static void dcinfo_parser(const struct gencache_timeout *timeout,
+			  DATA_BLOB blob,
+			  void *private_data)
 {
 	struct dcinfo_parser_state *state = private_data;
 	enum ndr_err_code ndr_err;
 
-	if (timeout <= time(NULL)) {
+	if (gencache_timeout_expired(timeout)) {
 		return;
 	}
 
diff --git a/source3/winbindd/winbindd_cache.c b/source3/winbindd/winbindd_cache.c
index 2f3bac7..7d98d61 100644
--- a/source3/winbindd/winbindd_cache.c
+++ b/source3/winbindd/winbindd_cache.c
@@ -1742,14 +1742,15 @@ struct wcache_name_to_sid_state {
 };
 
 static void wcache_name_to_sid_fn(const struct dom_sid *sid,
-				  enum lsa_SidType type, time_t timeout,
+				  enum lsa_SidType type,
+				  bool expired,
 				  void *private_data)
 {
 	struct wcache_name_to_sid_state *state = private_data;
 
 	*state->sid = *sid;
 	*state->type = type;
-	state->found = (state->offline || (timeout < time(NULL)));
+	state->found = (!expired || state->offline);
 }
 
 static NTSTATUS wcache_name_to_sid(struct winbindd_domain *domain,
@@ -1869,8 +1870,10 @@ struct wcache_sid_to_name_state {
 	bool found;
 };
 
-static void wcache_sid_to_name_fn(const char *domain, const char *name,
-				  enum lsa_SidType type, time_t timeout,
+static void wcache_sid_to_name_fn(const char *domain,
+				  const char *name,
+				  enum lsa_SidType type,
+				  bool expired,
 				  void *private_data)
 {
 	struct wcache_sid_to_name_state *state = private_data;
@@ -1884,7 +1887,7 @@ static void wcache_sid_to_name_fn(const char *domain, const char *name,
 		return;
 	}
 	*state->type = type;
-	state->found = (state->offline || (timeout < time(NULL)));
+	state->found = (!expired || state->offline);
 }
 
 static NTSTATUS wcache_sid_to_name(struct winbindd_domain *domain,


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