These silent errors have bitten me a few times, now that we

use APR'd dbm. mod_ssl had hacked sdbm for larger sizes.

PR:
Obtained from:
Submitted by:
Reviewed by:

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@101214 13f79535-47bb-0310-9956-ffa450edef68

diff --git a/modules/ssl/ssl_scache_dbm.c b/modules/ssl/ssl_scache_dbm.c
index abcfa8d1c2e5493dbe901c472dda8ce1577a3050..6ec20037c20ab3bbf124988eca868104f7318aa2 100644 (file)
--- a/modules/ssl/ssl_scache_dbm.c
+++ b/modules/ssl/ssl_scache_dbm.c
@@ -145,18 +145,30 @@ BOOL ssl_scache_dbm_store(server_rec *s, UCHAR *id, int idlen, time_t expiry, SS
     apr_status_t rv;
 
     /* streamline session data */
-    if ((nData = i2d_SSL_SESSION(sess, NULL)) > sizeof(ucaData))
+    if ((nData = i2d_SSL_SESSION(sess, NULL)) > sizeof(ucaData)) {
+        ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, s,
+                 "streamline session data size too large: %d > %d",
+                 nData, sizeof(ucaData));
         return FALSE;
+    }
     ucp = ucaData;
     i2d_SSL_SESSION(sess, &ucp);
 
     /* be careful: do not try to store too much bytes in a DBM file! */
 #ifdef PAIRMAX
-    if ((idlen + nData) >= PAIRMAX)
+    if ((idlen + nData) >= PAIRMAX) {
+        ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, s,
+                 "data size too large for DBM session cache: %d >= %d",
+                 (idlen + nData), PAIRMAX);
         return FALSE;
+    }
 #else
-    if ((idlen + nData) >= 950 /* at least less than approx. 1KB */)
+    if ((idlen + nData) >= 950 /* at least less than approx. 1KB */) {
+        ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, s,
+                 "data size too large for DBM session cache: %d >= %d",
+                 (idlen + nData), 950);
         return FALSE;
+    }
 #endif
 
     /* create DBM key */
@@ -166,8 +178,11 @@ BOOL ssl_scache_dbm_store(server_rec *s, UCHAR *id, int idlen, time_t expiry, SS
     /* create DBM value */
     dbmval.dsize = sizeof(time_t) + nData;
     dbmval.dptr  = (char *)malloc(dbmval.dsize);
-    if (dbmval.dptr == NULL)
+    if (dbmval.dptr == NULL) {
+        ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, s,
+                 "malloc error creating DBM value");
         return FALSE;
+    }
     memcpy((char *)dbmval.dptr, &expiry, sizeof(time_t));
     memcpy((char *)dbmval.dptr+sizeof(time_t), ucaData, nData);