Export heimdal's rand-fortuna PRNG to the kernel

[openafs.git] / src / crypto / hcrypto / kernel / config.h

diff --git a/src/crypto/hcrypto/kernel/config.h b/src/crypto/hcrypto/kernel/config.h
index 0d7adb1..c7b22d9 100644 (file)
--- a/src/crypto/hcrypto/kernel/config.h
+++ b/src/crypto/hcrypto/kernel/config.h
@@ -24,13 +24,38 @@
 
 #include <afsconfig.h>
 #include "afs/param.h"
+#include "afs/opr.h"
 
 #include "afs/stds.h"
 #include "afs/sysincludes.h"
-#include "afsincludes.h"
+#include "afs/afsincludes.h"
+#include "afs/afs_prototypes.h"
 
+#if defined(assert)
+#undef assert
+#endif
 #define assert osi_Assert
 
+/* Linux's current.h defines current to get_current(), conflicing with
+ * heimdal's rand-fortuna.c's local variable. */
+#if defined(current)
+#undef current
+#define current current
+#endif
+
+/* AIX and some Solaris (and others, presumably) still have a 'u' symbol for
+ * the user area.  rand-fortuna.c has a local variable of that name. */
+#if defined(u)
+#undef u
+#define u u
+#endif
+
+/* hcrypto uses "static inline", which isn't supported by some of our
+ * compilers */
+#if !defined(inline) && !defined(__GNUC__)
+#define inline
+#endif
+
 /* We need wrappers for the various memory management functions */
 #define calloc _afscrypto_calloc
 void * _afscrypto_calloc(int, size_t);
@@ -40,3 +65,35 @@ void * _afscrypto_malloc(size_t);
 
 #define free _afscrypto_free
 void _afscrypto_free(void *);
+
+#define strdup _afscrypto_strdup
+char * _afscrypto_strdup(const char *);
+
+#define realloc _afscrypto_realloc
+void * _afscrypto_realloc(void *, size_t);
+
+/* we may not have strcasecmp in the kernel */
+#define strcasecmp afs_strcasecmp
+
+/* osi_readRandom is also prototyped in afs_prototypes.h, but pulling that in
+ * here creates loads of additional dependencies */
+extern int osi_readRandom(void *, afs_size_t);
+
+#if defined(getpid)
+/* On linux, getpid() is unfortunately declared in terms of current, which
+ * already gives us a namespace clash.  It was lousy entropy, anyway. */
+#undef getpid
+#define getpid()       1
+#else
+static_inline pid_t getpid(void) {return 1;};
+#endif
+static_inline int open(const char *path, int flags, ...) {return -1;}
+static_inline void abort(void) {osi_Panic("hckernel aborting\n");}
+static_inline void rk_cloexec(int fd) {}
+static_inline ssize_t read(int d, void *buf, size_t nbytes) {return -1;}
+static_inline int close(int d) {return -1;}
+#if defined(HAVE_GETUID)
+#undef HAVE_GETUID
+#endif
+static_inline int gettimeofday(struct timeval *tp, void *tzp)
+    {if (tp == NULL) return -1; tp->tv_sec = osi_Time(); tp->tv_usec = 0; return 0;}