- Renamed include directory to polarssl
diff --git a/library/debug.c b/library/debug.c
new file mode 100644
index 0000000..4862fc4
--- /dev/null
+++ b/library/debug.c
@@ -0,0 +1,202 @@
+/*
+ * Debugging routines
+ *
+ * Copyright (C) 2006-2007 Christophe Devine
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "xyssl/config.h"
+
+#if defined(XYSSL_DEBUG_C)
+
+#include "xyssl/debug.h"
+
+#include <stdarg.h>
+#include <stdlib.h>
+
+#if defined _MSC_VER && !defined snprintf
+#define snprintf _snprintf
+#endif
+
+#if defined _MSC_VER && !defined vsnprintf
+#define vsnprintf _vsnprintf
+#endif
+
+char *debug_fmt( const char *format, ... )
+{
+ va_list argp;
+ static char str[512];
+ int maxlen = sizeof( str ) - 1;
+
+ va_start( argp, format );
+ vsnprintf( str, maxlen, format, argp );
+ va_end( argp );
+
+ str[maxlen] = '\0';
+ return( str );
+}
+
+void debug_print_msg( ssl_context *ssl, int level,
+ char *file, int line, char *text )
+{
+ char str[512];
+ int maxlen = sizeof( str ) - 1;
+
+ if( ssl->f_dbg == NULL )
+ return;
+
+ snprintf( str, maxlen, "%s(%04d): %s\n", file, line, text );
+ str[maxlen] = '\0';
+ ssl->f_dbg( ssl->p_dbg, level, str );
+}
+
+void debug_print_ret( ssl_context *ssl, int level,
+ char *file, int line, char *text, int ret )
+{
+ char str[512];
+ int maxlen = sizeof( str ) - 1;
+
+ if( ssl->f_dbg == NULL )
+ return;
+
+ snprintf( str, maxlen, "%s(%04d): %s() returned %d (0x%x)\n",
+ file, line, text, ret, ret );
+
+ str[maxlen] = '\0';
+ ssl->f_dbg( ssl->p_dbg, level, str );
+}
+
+void debug_print_buf( ssl_context *ssl, int level,
+ char *file, int line, char *text,
+ unsigned char *buf, int len )
+{
+ char str[512];
+ int i, maxlen = sizeof( str ) - 1;
+
+ if( ssl->f_dbg == NULL || len < 0 )
+ return;
+
+ snprintf( str, maxlen, "%s(%04d): dumping '%s' (%d bytes)\n",
+ file, line, text, len );
+
+ str[maxlen] = '\0';
+ ssl->f_dbg( ssl->p_dbg, level, str );
+
+ for( i = 0; i < len; i++ )
+ {
+ if( i >= 4096 )
+ break;
+
+ if( i % 16 == 0 )
+ {
+ if( i > 0 )
+ ssl->f_dbg( ssl->p_dbg, level, "\n" );
+
+ snprintf( str, maxlen, "%s(%04d): %04x: ", file, line, i );
+
+ str[maxlen] = '\0';
+ ssl->f_dbg( ssl->p_dbg, level, str );
+ }
+
+ snprintf( str, maxlen, " %02x", (unsigned int) buf[i] );
+
+ str[maxlen] = '\0';
+ ssl->f_dbg( ssl->p_dbg, level, str );
+ }
+
+ if( len > 0 )
+ ssl->f_dbg( ssl->p_dbg, level, "\n" );
+}
+
+void debug_print_mpi( ssl_context *ssl, int level,
+ char *file, int line, char *text, mpi *X )
+{
+ char str[512];
+ int i, j, k, n, maxlen = sizeof( str ) - 1;
+
+ if( ssl->f_dbg == NULL || X == NULL )
+ return;
+
+ for( n = X->n - 1; n >= 0; n-- )
+ if( X->p[n] != 0 )
+ break;
+
+ snprintf( str, maxlen, "%s(%04d): value of '%s' (%d bits) is:\n",
+ file, line, text, ((n + 1) * sizeof( t_int )) << 3 );
+
+ str[maxlen] = '\0';
+ ssl->f_dbg( ssl->p_dbg, level, str );
+
+ for( i = n, j = 0; i >= 0; i--, j++ )
+ {
+ if( j % ( 16 / sizeof( t_int ) ) == 0 )
+ {
+ if( j > 0 )
+ ssl->f_dbg( ssl->p_dbg, level, "\n" );
+
+ snprintf( str, maxlen, "%s(%04d): ", file, line );
+
+ str[maxlen] = '\0';
+ ssl->f_dbg( ssl->p_dbg, level, str );
+ }
+
+ for( k = sizeof( t_int ) - 1; k >= 0; k-- )
+ {
+ snprintf( str, maxlen, " %02x", (unsigned int)
+ ( X->p[i] >> (k << 3) ) & 0xFF );
+
+ str[maxlen] = '\0';
+ ssl->f_dbg( ssl->p_dbg, level, str );
+ }
+ }
+
+ ssl->f_dbg( ssl->p_dbg, level, "\n" );
+}
+
+void debug_print_crt( ssl_context *ssl, int level,
+ char *file, int line, char *text, x509_cert *crt )
+{
+ char str[512], prefix[64], *p;
+ int i = 0, maxlen = sizeof( prefix ) - 1;
+
+ if( ssl->f_dbg == NULL || crt == NULL )
+ return;
+
+ snprintf( prefix, maxlen, "%s(%04d): ", file, line );
+ prefix[maxlen] = '\0';
+ maxlen = sizeof( str ) - 1;
+
+ while( crt != NULL && crt->next != NULL )
+ {
+ p = x509parse_cert_info( prefix, crt );
+
+ snprintf( str, maxlen, "%s(%04d): %s #%d:\n%s",
+ file, line, text, ++i, p );
+
+ str[maxlen] = '\0';
+ ssl->f_dbg( ssl->p_dbg, level, str );
+
+ debug_print_mpi( ssl, level, file, line,
+ "crt->rsa.N", &crt->rsa.N );
+
+ debug_print_mpi( ssl, level, file, line,
+ "crt->rsa.E", &crt->rsa.E );
+
+ crt = crt->next;
+ }
+}
+
+#endif
