[389-ds-base] branch 389-ds-base-1.3.6 updated (c81a5af -> d63858c)

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mreynolds pushed a change to branch 389-ds-base-1.3.6
in repository 389-ds-base.

      from  c81a5af   Ticket 49436 - double free in COS in some conditions
       new  d63858c   Ticket 49441 - Import crashes with large indexed binary  attributes

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Summary of changes:
 ldap/servers/slapd/back-ldbm/index.c | 21 ++++++++++-----------
 1 file changed, 10 insertions(+), 11 deletions(-)

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[389-ds-base] 01/01: Ticket 49441 - Import crashes with large indexed binary attributes

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mreynolds pushed a commit to branch 389-ds-base-1.3.6
in repository 389-ds-base.

commit d63858c52e4013af074aaa07f79b3fd6f8d1de87
Author: Mark Reynolds <mreynolds(a)redhat.com&gt;
Date:   Mon Nov 6 22:30:55 2017 -0500

    Ticket 49441 - Import crashes with large indexed binary
     attributes
    
    Bug Description:  Importing an ldif file that contains entries with large
                      binary attributes that are indexed crashes the server.
                      The crash occurs when "encoding" the binary value to a
                      string for debug logging, where we "underflow" the buffer
                      space index which then allows the string buffer to overflow.
    
    Fix Description:  While filling the string buffer with the encoded binary
                      value we need to make sure if the buffer space is greater
                      than zero before decrementing it.
    
                      Also check if trace logging is being used before we actually
                      call the logging function which calls the "encoded"
function
                      first.  This way we avoid this costly "encoding" on every
                      index call we make.
    
    https://pagure.io/389-ds-base/issue/49441
    
    Reviewed by: firstyear(Thanks!)
---
 ldap/servers/slapd/back-ldbm/index.c | 21 ++++++++++-----------
 1 file changed, 10 insertions(+), 11 deletions(-)

diff --git a/ldap/servers/slapd/back-ldbm/index.c b/ldap/servers/slapd/back-ldbm/index.c
index a3dac66..ac60707 100644
--- a/ldap/servers/slapd/back-ldbm/index.c
+++ b/ldap/servers/slapd/back-ldbm/index.c
@@ -808,7 +808,10 @@ encode (const struct berval* data, char buf[BUFSIZ])
 		    bufSpace -= (s - first);
 		}
 		do {
-		    *bufNext++ = '\\'; --bufSpace;
+		    if (bufSpace) {
+		        *bufNext++ = '\\';
+		        --bufSpace;
+		    }
 		    if (bufSpace < 2) {
 			memcpy (bufNext, "..", 2);
 			bufNext += 2;
@@ -903,8 +906,10 @@ index_read_ext_allids(
 		slapi_log_err(SLAPI_LOG_ERR, "index_read_ext_allids", "NULL
prefix\n");
 		return NULL;
 	}
-	slapi_log_err(SLAPI_LOG_TRACE, "index_read_ext_allids", "=> (
\"%s\" %s \"%s\" )\n",
-		   type, prefix, encode (val, buf));
+	if (slapi_is_loglevel_set(LDAP_DEBUG_TRACE)) {
+	    slapi_log_err(SLAPI_LOG_TRACE, "index_read_ext_allids", "=> (
\"%s\" %s \"%s\" )\n",
+	                  type, prefix, encode (val, buf));
+	}
 
 	basetype = typebuf;
 	if ( (basetmp = slapi_attr_basetype( type, typebuf, sizeof(typebuf) ))
@@ -1737,16 +1742,13 @@ addordel_values(
                  */
 		key.flags = DB_DBT_USERMEM;
                 key.ulen = tmpbuflen;
-#ifdef LDAP_ERROR_LOGGING
-		/* XXX if ( slapd_ldap_debug & LDAP_DEBUG_TRACE )  XXX */
-		{
+        if (slapi_is_loglevel_set(LDAP_DEBUG_TRACE)) {
 			char encbuf[BUFSIZ];
 
 			slapi_log_err(SLAPI_LOG_TRACE, "addordel_values",
"%s_value(\"%s\")\n",
 				   (flags & BE_INDEX_ADD) ? "add" : "del",
 				   encoded (&key, encbuf));
 		}
-#endif
 
 		if (NULL != txn) {
 			db_txn = txn->back_txn_txn;
@@ -1907,16 +1909,13 @@ addordel_values_sv(
          */
         key.flags = DB_DBT_USERMEM;
         key.ulen = tmpbuflen;
-#ifdef LDAP_ERROR_LOGGING
-        /* XXX if ( slapd_ldap_debug & LDAP_DEBUG_TRACE )  XXX */
-        {
+        if (slapi_is_loglevel_set(LDAP_DEBUG_TRACE)) {
             char encbuf[BUFSIZ];
 
             slapi_log_err(SLAPI_LOG_TRACE, "addordel_values_sv",
"%s_value(\"%s\")\n",
                        (flags & BE_INDEX_ADD) ? "add" : "del",
                        encoded (&key, encbuf));
         }
-#endif
 
         if (NULL != txn) {
             db_txn = txn->back_txn_txn;

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