add some log messages and AP_DEBUG_ASSERTs for functions that should never be

called

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1519264 13f79535-47bb-0310-9956-ffa450edef68

diff --git a/modules/ssl/ssl_engine_io.c b/modules/ssl/ssl_engine_io.c
index ddec42484606b27102b9d7bc6a95d9b2cb2e3048..58560d85d54a1e7ea3c8fcc629097f04c4c081f0 100644 (file)
--- a/modules/ssl/ssl_engine_io.c
+++ b/modules/ssl/ssl_engine_io.c
@@ -180,6 +180,10 @@ static int bio_filter_destroy(BIO *bio)
 static int bio_filter_out_read(BIO *bio, char *out, int outl)
 {
     /* this is never called */
+    bio_filter_out_ctx_t *outctx = (bio_filter_out_ctx_t *)(bio->ptr);
+    ap_log_cerror(APLOG_MARK, APLOG_TRACE1, 0, outctx->c,
+                  "BUG: %s() should not be called", "bio_filter_out_read");
+    AP_DEBUG_ASSERT(0);
     return -1;
 }
 
@@ -259,12 +263,20 @@ static long bio_filter_out_ctrl(BIO *bio, int cmd, long num, void *ptr)
 static int bio_filter_out_gets(BIO *bio, char *buf, int size)
 {
     /* this is never called */
+    bio_filter_out_ctx_t *outctx = (bio_filter_out_ctx_t *)(bio->ptr);
+    ap_log_cerror(APLOG_MARK, APLOG_TRACE1, 0, outctx->c,
+                  "BUG: %s() should not be called", "bio_filter_out_gets");
+    AP_DEBUG_ASSERT(0);
     return -1;
 }
 
 static int bio_filter_out_puts(BIO *bio, const char *str)
 {
     /* this is never called */
+    bio_filter_out_ctx_t *outctx = (bio_filter_out_ctx_t *)(bio->ptr);
+    ap_log_cerror(APLOG_MARK, APLOG_TRACE1, 0, outctx->c,
+                  "BUG: %s() should not be called", "bio_filter_out_puts");
+    AP_DEBUG_ASSERT(0);
     return -1;
 }
 
@@ -520,15 +532,50 @@ static int bio_filter_in_read(BIO *bio, char *in, int inlen)
     return -1;
 }
 
+static int bio_filter_in_write(BIO *bio, const char *in, int inl)
+{
+    bio_filter_in_ctx_t *inctx = (bio_filter_in_ctx_t *)(bio->ptr);
+    ap_log_cerror(APLOG_MARK, APLOG_TRACE1, 0, inctx->f->c,
+                  "BUG: %s() should not be called", "bio_filter_in_write");
+    AP_DEBUG_ASSERT(0);
+    return -1;
+}
+
+static int bio_filter_in_puts(BIO *bio, const char *str)
+{
+    bio_filter_in_ctx_t *inctx = (bio_filter_in_ctx_t *)(bio->ptr);
+    ap_log_cerror(APLOG_MARK, APLOG_TRACE1, 0, inctx->f->c,
+                  "BUG: %s() should not be called", "bio_filter_in_puts");
+    AP_DEBUG_ASSERT(0);
+    return -1;
+}
+
+static int bio_filter_in_gets(BIO *bio, char *buf, int size)
+{
+    bio_filter_in_ctx_t *inctx = (bio_filter_in_ctx_t *)(bio->ptr);
+    ap_log_cerror(APLOG_MARK, APLOG_TRACE1, 0, inctx->f->c,
+                  "BUG: %s() should not be called", "bio_filter_in_gets");
+    AP_DEBUG_ASSERT(0);
+    return -1;
+}
+
+static long bio_filter_in_ctrl(BIO *bio, int cmd, long num, void *ptr)
+{
+    bio_filter_in_ctx_t *inctx = (bio_filter_in_ctx_t *)(bio->ptr);
+    ap_log_cerror(APLOG_MARK, APLOG_TRACE1, 0, inctx->f->c,
+                  "BUG: %s() should not be called", "bio_filter_in_ctrl");
+    AP_DEBUG_ASSERT(0);
+    return -1;
+}
 
 static BIO_METHOD bio_filter_in_method = {
     BIO_TYPE_MEM,
     "APR input filter",
-    NULL,                       /* write is never called */
+    bio_filter_in_write,        /* write is never called */
     bio_filter_in_read,
-    NULL,                       /* puts is never called */
-    NULL,                       /* gets is never called */
-    NULL,                       /* ctrl is never called */
+    bio_filter_in_puts,         /* puts is never called */
+    bio_filter_in_gets,         /* gets is never called */
+    bio_filter_in_ctrl,         /* ctrl is never called */
     bio_filter_create,
     bio_filter_destroy,
     NULL