1 files changed, 154 insertions, 0 deletions
diff --git a/src/libstrongswan/utils/debug.h b/src/libstrongswan/utils/debug.h
new file mode 100644
index 000000000..c46d3fe55
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+++ b/src/libstrongswan/utils/debug.h
@@ -0,0 +1,154 @@
+/*
+ * Copyright (C) 2006 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * 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.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * 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.
+ */
+
+/**
+ * @defgroup debug debug
+ * @{ @ingroup utils
+ */
+
+#ifndef DEBUG_H_
+#define DEBUG_H_
+
+typedef enum debug_t debug_t;
+typedef enum level_t level_t;
+
+#include <stdio.h>
+
+#include "utils/enum.h"
+
+/**
+ * Debug message group.
+ */
+enum debug_t {
+	/** daemon specific */
+	DBG_DMN,
+	/** IKE_SA_MANAGER */
+	DBG_MGR,
+	/** IKE_SA */
+	DBG_IKE,
+	/** CHILD_SA */
+	DBG_CHD,
+	/** job processing */
+	DBG_JOB,
+	/** configuration backends */
+	DBG_CFG,
+	/** kernel interface */
+	DBG_KNL,
+	/** networking/sockets */
+	DBG_NET,
+	/** low-level encoding/decoding (ASN.1, X.509 etc.) */
+	DBG_ASN,
+	/** message encoding/decoding */
+	DBG_ENC,
+	/** trusted network connect */
+	DBG_TNC,
+	/** integrity measurement client */
+	DBG_IMC,
+	/** integrity measurement verifier */
+	DBG_IMV,
+	/** platform trust service */
+	DBG_PTS,
+	/** libtls */
+	DBG_TLS,
+	/** applications other than daemons */
+	DBG_APP,
+	/** libipsec */
+	DBG_ESP,
+	/** libstrongswan */
+	DBG_LIB,
+	/** number of groups */
+	DBG_MAX,
+	/** pseudo group with all groups */
+	DBG_ANY = DBG_MAX,
+};
+
+/**
+ * short names of debug message group.
+ */
+extern enum_name_t *debug_names;
+
+/**
+ * short names of debug message group, lower case.
+ */
+extern enum_name_t *debug_lower_names;
+
+/**
+ * Debug levels used to control output verbosity.
+ */
+enum level_t {
+	/** absolutely silent */
+	LEVEL_SILENT = -1,
+	/** most important auditing logs */
+	LEVEL_AUDIT =   0,
+	/** control flow */
+	LEVEL_CTRL =    1,
+	/** diagnose problems */
+	LEVEL_DIAG =    2,
+	/** raw binary blobs */
+	LEVEL_RAW =     3,
+	/** including sensitive data (private keys) */
+	LEVEL_PRIVATE = 4,
+};
+
+#ifndef DEBUG_LEVEL
+# define DEBUG_LEVEL 4
+#endif /* DEBUG_LEVEL */
+
+/** debug macros, they call the dbg function hook */
+#if DEBUG_LEVEL >= 0
+# define DBG0(group, fmt, ...) dbg(group, 0, fmt, ##__VA_ARGS__)
+#endif /* DEBUG_LEVEL */
+#if DEBUG_LEVEL >= 1
+# define DBG1(group, fmt, ...) dbg(group, 1, fmt, ##__VA_ARGS__)
+#endif /* DEBUG_LEVEL */
+#if DEBUG_LEVEL >= 2
+# define DBG2(group, fmt, ...) dbg(group, 2, fmt, ##__VA_ARGS__)
+#endif /* DEBUG_LEVEL */
+#if DEBUG_LEVEL >= 3
+# define DBG3(group, fmt, ...) dbg(group, 3, fmt, ##__VA_ARGS__)
+#endif /* DEBUG_LEVEL */
+#if DEBUG_LEVEL >= 4
+# define DBG4(group, fmt, ...) dbg(group, 4, fmt, ##__VA_ARGS__)
+#endif /* DEBUG_LEVEL */
+
+#ifndef DBG0
+# define DBG0(...) {}
+#endif
+#ifndef DBG1
+# define DBG1(...) {}
+#endif
+#ifndef DBG2
+# define DBG2(...) {}
+#endif
+#ifndef DBG3
+# define DBG3(...) {}
+#endif
+#ifndef DBG4
+# define DBG4(...) {}
+#endif
+
+/** dbg function hook, uses dbg_default() by default */
+extern void (*dbg) (debug_t group, level_t level, char *fmt, ...);
+
+/** default logging function */
+void dbg_default(debug_t group, level_t level, char *fmt, ...);
+
+/** set the level logged by dbg_default() */
+void dbg_default_set_level(level_t level);
+
+/** set the stream logged by dbg_default() to */
+void dbg_default_set_stream(FILE *stream);
+
+#endif /** DEBUG_H_ @}*/