Simple bas64 decode unit test.

MANIFEST

@@ -271,6 +271,7 @@ plugins/sudoers/regress/logging/check_wrap.in
 plugins/sudoers/regress/logging/check_wrap.out.ok
 plugins/sudoers/regress/parser/check_addr.c
 plugins/sudoers/regress/parser/check_addr.in
+plugins/sudoers/regress/parser/check_base64.c
 plugins/sudoers/regress/parser/check_digest.c
 plugins/sudoers/regress/parser/check_digest.out.ok
 plugins/sudoers/regress/parser/check_fill.c

plugins/sudoers/Makefile.in

@@ -124,7 +124,7 @@ SHELL = @SHELL@
 PROGS = sudoers.la visudo sudoreplay testsudoers
 
 TEST_PROGS = check_iolog_path check_fill check_wrap check_addr check_symbols \
-	     check_digest
+	     check_digest check_base64
 
 AUTH_OBJS = sudo_auth.lo @AUTH_OBJS@
 
@@ -147,6 +147,8 @@ TEST_OBJS = group_plugin.o interfaces.o locale.o net_ifs.o \
 
 CHECK_ADDR_OBJS = check_addr.o interfaces.o locale.o match_addr.o
 
+CHECK_BASE64_OBJS = check_base64.o base64.o locale.o
+
 CHECK_DIGEST_OBJS = check_digest.o sha2.o
 
 CHECK_FILL_OBJS = check_fill.o hexchar.o locale.o toke_util.o
@@ -205,6 +207,9 @@ testsudoers: libparsesudoers.la $(TEST_OBJS) $(LT_LIBS)
 check_addr: $(CHECK_ADDR_OBJS) $(LT_LIBS)
 	$(LIBTOOL) --mode=link $(CC) -o $@ $(CHECK_ADDR_OBJS) $(LDFLAGS) $(PIE_LDFLAGS) $(SSP_LDFLAGS) $(LIBS) $(NET_LIBS)
 
+check_base64: $(CHECK_BASE64_OBJS) $(LT_LIBS)
+	$(LIBTOOL) --mode=link $(CC) -o $@ $(CHECK_BASE64_OBJS) $(LDFLAGS) $(PIE_LDFLAGS) $(SSP_LDFLAGS) $(LIBS)
+
 check_digest: $(CHECK_DIGEST_OBJS) $(LT_LIBS)
 	$(LIBTOOL) --mode=link $(CC) -o $@ $(CHECK_DIGEST_OBJS) $(LDFLAGS) $(PIE_LDFLAGS) $(SSP_LDFLAGS) $(LIBS)
 
@@ -318,6 +323,7 @@ check: $(TEST_PROGS) visudo testsudoers
 	    CWD=`pwd`; \
 	    mkdir -p regress/parser; \
 	    ./check_addr $(srcdir)/regress/parser/check_addr.in || rval=`expr $$rval + $$?`; \
+	    ./check_base64 || rval=`expr $$rval + $$?`; \
 	    ./check_digest > regress/parser/check_digest.out; \
 	    diff regress/parser/check_digest.out $(srcdir)/regress/parser/check_digest.out.ok || rval=`expr $$rval + $$?`; \
 	    ./check_fill || rval=`expr $$rval + $$?`; \
@@ -454,6 +460,7 @@ audit.lo: $(srcdir)/audit.c $(top_builddir)/config.h \
 base64.lo: $(srcdir)/base64.c $(top_builddir)/config.h $(incdir)/missing.h \
            $(incdir)/sudo_debug.h
 	$(LIBTOOL) --mode=compile $(CC) -c $(CPPFLAGS) $(CFLAGS) $(PIE_CFLAGS) $(SSP_CFLAGS) $(DEFS) $(srcdir)/base64.c
+base64.o: base64.lo
 boottime.lo: $(srcdir)/boottime.c $(top_builddir)/config.h $(incdir)/missing.h \
              $(incdir)/sudo_debug.h
 	$(LIBTOOL) --mode=compile $(CC) -c $(CPPFLAGS) $(CFLAGS) $(PIE_CFLAGS) $(SSP_CFLAGS) $(DEFS) $(srcdir)/boottime.c
@@ -485,6 +492,9 @@ check_addr.o: $(srcdir)/regress/parser/check_addr.c $(top_builddir)/config.h \
               $(incdir)/sudo_debug.h $(incdir)/gettext.h $(srcdir)/parse.h \
               $(srcdir)/interfaces.h
 	$(CC) -c $(CPPFLAGS) $(CFLAGS) $(PIE_CFLAGS) $(SSP_CFLAGS) $(DEFS) $(srcdir)/regress/parser/check_addr.c
+check_base64.o: $(srcdir)/regress/parser/check_base64.c \
+                $(top_builddir)/config.h $(incdir)/missing.h $(srcdir)/sha2.h
+	$(CC) -c $(CPPFLAGS) $(CFLAGS) $(PIE_CFLAGS) $(SSP_CFLAGS) $(DEFS) $(srcdir)/regress/parser/check_base64.c
 check_digest.o: $(srcdir)/regress/parser/check_digest.c \
                 $(top_builddir)/config.h $(incdir)/missing.h $(srcdir)/sha2.h
 	$(CC) -c $(CPPFLAGS) $(CFLAGS) $(PIE_CFLAGS) $(SSP_CFLAGS) $(DEFS) $(srcdir)/regress/parser/check_digest.c

plugins/sudoers/regress/parser/check_base64.c

@@ -0,0 +1,97 @@
+/*
+ * Copyright (c) 2013 Todd C. Miller <Todd.Miller@courtesan.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <config.h>
+
+#include <stdio.h>
+#ifdef STDC_HEADERS
+# include <stdlib.h>
+# include <stddef.h>
+#else
+# ifdef HAVE_STDLIB_H
+#  include <stdlib.h>
+# endif
+#endif /* STDC_HEADERS */
+#ifdef HAVE_STRING_H
+# if defined(HAVE_MEMORY_H) && !defined(STDC_HEADERS)
+#  include <memory.h>
+# endif
+# include <string.h>
+#endif /* HAVE_STRING_H */
+#ifdef HAVE_STRINGS_H
+# include <strings.h>
+#endif /* HAVE_STRINGS_H */
+#if defined(HAVE_STDINT_H)
+# include <stdint.h>
+#elif defined(HAVE_INTTYPES_H)
+# include <inttypes.h>
+#endif
+
+#define SUDO_ERROR_WRAP 0
+
+#include "missing.h"
+
+extern size_t base64_decode(const char *str, unsigned char *dst, size_t dsize);
+
+__dso_public int main(int argc, char *argv[]);
+
+struct base64_test {
+    const char *ascii;
+    const char *encoded;
+} test_strings[] = {
+    {
+	"any carnal pleasure.",
+	"YW55IGNhcm5hbCBwbGVhc3VyZS4="
+    },
+    {
+	"any carnal pleasure",
+	"YW55IGNhcm5hbCBwbGVhc3VyZQ=="
+    },
+    {
+	"any carnal pleasur",
+	"YW55IGNhcm5hbCBwbGVhc3Vy"
+    },
+    {
+	"any carnal pleasu",
+	"YW55IGNhcm5hbCBwbGVhc3U="
+    },
+    {
+	"any carnal pleas",
+	"YW55IGNhcm5hbCBwbGVhcw=="
+    }
+};
+
+int
+main(int argc, char *argv[])
+{
+    const int ntests = (sizeof(test_strings) / sizeof(test_strings[0]));
+    int i, errors = 0;
+    char buf[32];
+    size_t len;
+
+    for (i = 0; i < ntests; i++) {
+	len = base64_decode(test_strings[i].encoded, buf, sizeof(buf));
+	buf[len] = '\0';
+	if (strcmp(test_strings[i].ascii, buf) != 0) {
+	    fprintf(stderr, "check_base64: expected %s, got %s",
+		test_strings[i].ascii, buf);
+	    errors++;
+	}
+    }
+    printf("check_base64: %d tests run, %d errors, %d%% success rate\n",
+	ntests, errors, (ntests - errors) * 100 / ntests);
+    exit(errors);
+}