update autoconf for latest compat functions

crypto/Makefile.am

@@ -87,6 +87,7 @@ if HOST_WIN
 	-echo posix_write >> crypto_portable.sym
 	-echo posix_getsockopt >> crypto_portable.sym
 	-echo posix_setsockopt >> crypto_portable.sym
+	-echo getuid >> crypto_portable.sym
 	-grep -v BIO_s_log crypto_portable.sym > crypto_portable.sym.tmp
 	-mv crypto_portable.sym.tmp crypto_portable.sym
 endif
@@ -162,6 +163,15 @@ if !HAVE_GETPAGESIZE
 libcompat_la_SOURCES += compat/getpagesize.c
 endif
 
+if !HAVE_GETPROGNAME
+if HOST_LINUX
+libcompat_la_SOURCES += compat/getprogname_linux.c
+endif
+if HOST_WIN
+libcompat_la_SOURCES += compat/getprogname_windows.c
+endif
+endif
+
 if !HAVE_TIMEGM
 libcompat_la_SOURCES += compat/timegm.c
 endif
@@ -174,6 +184,10 @@ if !HAVE_RECALLOCARRAY
 libcompat_la_SOURCES += compat/recallocarray.c
 endif
 
+if !HAVE_SYSLOG_R
+libcompat_la_SOURCES += compat/syslog_r.c
+endif
+
 if !HAVE_TIMINGSAFE_MEMCMP
 libcompat_la_SOURCES += compat/timingsafe_memcmp.c
 endif

crypto/compat/getprogname_linux.c

@@ -0,0 +1,9 @@
+#include <stdlib.h>
+
+#include <errno.h>
+
+const char *
+getprogname(void)
+{
+	return program_invocation_short_name;
+}

crypto/compat/getprogname_windows.c

@@ -0,0 +1,13 @@
+#include <stdlib.h>
+
+#include <windows.h>
+
+const char *
+getprogname(void)
+{
+	static char progname[MAX_PATH + 1];
+	DWORD length = GetModuleFileName(NULL, progname, sizeof (progname) - 1);
+	if (length < 0)
+		return "?";
+	return progname;
+}

crypto/compat/posix_win.c

@@ -4,6 +4,7 @@
  * BSD socket emulation code for Winsock2
  * File IO compatibility shims
  * Brent Cook <bcook@openbsd.org>
+ * Kinichiro Inoguchi <inoguchi@openbsd.org>
  */
 
 #define NO_REDEF_POSIX_FUNCTIONS
@@ -208,6 +209,12 @@ posix_setsockopt(int sockfd, int level, int optname,
 	return rc == 0 ? 0 : wsa_errno(WSAGetLastError());
 }
 
+uid_t getuid(void)
+{
+	/* Windows fstat sets 0 as st_uid */
+	return 0;
+}
+
 #ifdef _MSC_VER
 struct timezone;
 int gettimeofday(struct timeval * tp, struct timezone * tzp)

crypto/compat/syslog_r.c

@@ -0,0 +1,19 @@
+#include <syslog.h>
+
+void
+syslog_r(int pri, struct syslog_data *data, const char *fmt, ...)
+{
+    va_list ap;
+
+    va_start(ap, fmt);
+    vsyslog_r(pri, data, fmt, ap);
+    va_end(ap);
+}
+
+void
+vsyslog_r(int pri, struct syslog_data *data, const char *fmt, va_list ap)
+{
+#ifdef HAVE_SYSLOG
+	vsyslog(pri, fmt, ap);
+#endif
+}

include/compat/stdlib.h

@@ -29,6 +29,10 @@ uint32_t arc4random_uniform(uint32_t upper_bound);
 void freezero(void *ptr, size_t sz);
 #endif
 
+#ifndef HAVE_GETPROGNAME
+const char * getprogname(void);
+#endif
+
 #ifndef HAVE_REALLOCARRAY
 void *reallocarray(void *, size_t, size_t);
 #endif

include/compat/syslog.h

@@ -0,0 +1,37 @@
+/*
+ * Public domain
+ * syslog.h compatibility shim
+ */
+
+#ifndef _WIN32
+#include_next <syslog.h>
+#endif
+
+#ifndef LIBCRYPTOCOMPAT_SYSLOG_H
+#define LIBCRYPTOCOMPAT_SYSLOG_H
+
+#ifndef HAVE_SYSLOG_R
+
+#include <stdarg.h>
+
+#ifdef _WIN32
+#define	LOG_INFO	6	/* informational */
+#define LOG_USER    (1<<3)  /* random user-level messages */
+#define	LOG_LOCAL2	(18<<3)	/* reserved for local use */
+#endif
+
+struct syslog_data {
+	int log_stat;
+	const char *log_tag;
+	int log_fac;
+	int log_mask;
+};
+
+#define SYSLOG_DATA_INIT {0, (const char *)0, LOG_USER, 0xff}
+
+void syslog_r(int, struct syslog_data *, const char *, ...);
+void vsyslog_r(int, struct syslog_data *, const char *, va_list);
+
+#endif
+
+#endif

m4/check-libc.m4

@@ -6,6 +6,7 @@ AC_CHECK_FUNCS([asprintf freezero memmem])
 AC_CHECK_FUNCS([readpassphrase reallocarray recallocarray])
 AC_CHECK_FUNCS([strlcat strlcpy strndup strnlen strsep strtonum])
 AC_CHECK_FUNCS([timegm _mkgmtime timespecsub])
+AC_CHECK_FUNCS([getprogname syslog syslog_r])
 AC_CACHE_CHECK([for getpagesize], ac_cv_func_getpagesize, [
 	AC_LINK_IFELSE([AC_LANG_PROGRAM([[
 // Since Android NDK v16 getpagesize is defined as inline inside unistd.h
@@ -33,6 +34,9 @@ AM_CONDITIONAL([HAVE_STRNLEN], [test "x$ac_cv_func_strnlen" = xyes])
 AM_CONDITIONAL([HAVE_STRSEP], [test "x$ac_cv_func_strsep" = xyes])
 AM_CONDITIONAL([HAVE_STRTONUM], [test "x$ac_cv_func_strtonum" = xyes])
 AM_CONDITIONAL([HAVE_TIMEGM], [test "x$ac_cv_func_timegm" = xyes])
+AM_CONDITIONAL([HAVE_GETPROGNAME], [test "x$ac_cv_func_getprogname" = xyes])
+AM_CONDITIONAL([HAVE_SYSLOG], [test "x$ac_cv_func_syslog" = xyes])
+AM_CONDITIONAL([HAVE_SYSLOG_R], [test "x$ac_cv_func_syslog_r" = xyes])
 ])
 
 AC_DEFUN([CHECK_SYSCALL_COMPAT], [

tls/Makefile.am

@@ -33,7 +33,6 @@ noinst_HEADERS = tls_internal.h
 
 if HOST_WIN
 libtls_la_SOURCES += compat/ftruncate.c
-libtls_la_SOURCES += compat/getuid.c
 libtls_la_SOURCES += compat/pread.c
 libtls_la_SOURCES += compat/pwrite.c
 endif

tls/compat/getuid.c

@@ -1,18 +0,0 @@
-/*
- * Public domain
- *
- * Kinichiro Inoguchi <inoguchi@openbsd.org>
- */
-
-#ifdef _WIN32
-
-#include <unistd.h>
-
-uid_t
-getuid(void)
-{
-	/* Windows fstat sets 0 as st_uid */
-	return 0;
-}
-
-#endif