Added hexdump()

Signed-off-by: Steve Dickson <steved@redhat.com>

1 files changed, 56 insertions, 1 deletions

diff --git a/tapset/svc_cred.stp b/tapset/svc_cred.stp
index 35e7d4d..a9e698b 100644
--- a/tapset/svc_cred.stp
+++ b/tapset/svc_cred.stp
@@ -1,16 +1,50 @@
 %{
+#include <linux/types.h>
+
 #include <linux/sunrpc/svc.h>
 #include <linux/sunrpc/cache.h>
+
+static void hexdump(char *inbuf,  const unsigned char *buf, unsigned short len )
+{
+    static char str[80];
+    char octet[10];
+    int ofs, i, l, cc=0;
+    
+    for (ofs = 0; ofs < len; ofs += 16) {
+        sprintf( str, "%03d: ", ofs );
+    
+        for (i = 0; i < 16; i++) {
+            if ((i + ofs) < len)
+                sprintf( octet, "%02x ", buf[ofs + i] );
+            else
+                strcpy( octet, "   " );
+    
+            strcat( str, octet );
+        }
+        strcat( str, "  " );
+        l = strlen( str );
+    
+        for (i = 0; (i < 16) && ((i + ofs) < len); i++)
+            str[l++] = isprint( buf[ofs + i] ) ? buf[ofs + i] : '.';
+        
+        str[l] = '\0';
+		sprintf(inbuf+cc, "%s\n", str );
+		cc = strlen(inbuf);
+    }   
+}   
+
 %}
 
 function svc_creds:string(_rqstp:long)
 %{
 	struct svc_rqst *rqstp = 
 		(struct svc_rqst *)(long) kread(&(THIS->_rqstp));
+	struct kvec     *rq_vec;
 	char buf[MAXSTRINGLEN];
 	int cc=0;
 
-	sprintf(buf+cc, "cr_uid %d cr_gid %d", rqstp->rq_cred.cr_uid,
+	rq_vec = &rqstp->rq_arg.head[0];
+	sprintf(buf+cc, "cr_uid %d cr_gid %d", rqstp->rq_cred.cr_uid, 
 		rqstp->rq_cred.cr_gid);
 	cc = strlen(buf);
 
@@ -18,4 +52,25 @@ function svc_creds:string(_rqstp:long)
 
 	CATCH_DEREF_FAULT();
 %}
+function svc_rqst:string(_rqstp:long)
+%{
+	struct svc_rqst *rqstp = 
+		(struct svc_rqst *)(long) kread(&(THIS->_rqstp));
+	struct kvec     *iov;
+	char buf[MAXSTRINGLEN];
+	int cc=0;
+	__be32 flavor;
+
+	iov = &rqstp->rq_arg.head[0];
+	memcpy(&flavor, iov->iov_base, sizeof(flavor));
+	sprintf(buf+cc, "iov_len %ld", iov->iov_len);
+	cc = strlen(buf);
+	/*
+	hexdump(buf+cc, iov->iov_base+sizeof(__be32), 64);
+	*/
+
+	snprintf(THIS->__retvalue, MAXSTRINGLEN, "%s", buf); 
+
+	CATCH_DEREF_FAULT();
+%}