1 files changed, 125 insertions, 0 deletions
diff --git a/plugins/sudoers/regress/parser/check_digest.c b/plugins/sudoers/regress/parser/check_digest.c
new file mode 100644
index 0000000..c784b2b
--- /dev/null
+++ b/plugins/sudoers/regress/parser/check_digest.c
@@ -0,0 +1,125 @@
+/*
+ * SPDX-License-Identifier: ISC
+ *
+ * Copyright (c) 2013-2015 Todd C. Miller <Todd.Miller@sudo.ws>
+ *
+ * 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>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "sudo_compat.h"
+#include "sudo_fatal.h"
+#include "sudo_queue.h"
+#include "sudo_digest.h"
+#include "sudo_util.h"
+#include "parse.h"
+
+sudo_dso_public int main(int argc, char *argv[]);
+
+#define NUM_TESTS	8
+static const char *test_strings[NUM_TESTS] = {
+    "",
+    "a",
+    "abc",
+    "message digest",
+    "abcdefghijklmnopqrstuvwxyz",
+    "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",
+    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
+    "12345678901234567890123456789012345678901234567890123456789"
+	"012345678901234567890",
+};
+
+static unsigned char *
+check_digest(int digest_type, const char *buf, size_t buflen, size_t *digest_len)
+{
+    char tfile[] = "digest.XXXXXX";
+    unsigned char *digest = NULL;
+    int tfd;
+
+    /* Write test data to temporary file. */
+    tfd = mkstemp(tfile);
+    if (tfd == -1) {
+	sudo_warn_nodebug("mkstemp");
+	goto done;
+    }
+    if ((size_t)write(tfd, buf, buflen) != buflen) {
+	sudo_warn_nodebug("write");
+	goto done;
+    }
+    lseek(tfd, 0, SEEK_SET);
+
+    /* Get file digest. */
+    digest = sudo_filedigest(tfd, tfile, digest_type, digest_len);
+    if (digest == NULL) {
+	/* Warning (if any) printed by sudo_filedigest() */
+	goto done;
+    }
+done:
+    if (tfd != -1) {
+	close(tfd);
+	unlink(tfile);
+    }
+    return digest;
+}
+
+int
+main(int argc, char *argv[])
+{
+    static const char hex[] = "0123456789abcdef";
+    char buf[1000 * 1000];
+    unsigned char *digest;
+    unsigned int i, j;
+    size_t digest_len;
+    int digest_type;
+
+    initprogname(argc > 0 ? argv[0] : "check_digest");
+
+    for (digest_type = 0; digest_type < SUDO_DIGEST_INVALID; digest_type++) {
+	for (i = 0; i < NUM_TESTS; i++) {
+	    digest = check_digest(digest_type, test_strings[i],
+		strlen(test_strings[i]), &digest_len);
+	    if (digest != NULL) {
+		printf("%s (\"%s\") = ", digest_type_to_name(digest_type),
+		    test_strings[i]);
+		for (j = 0; j < digest_len; j++) {
+		    putchar(hex[digest[j] >> 4]);
+		    putchar(hex[digest[j] & 0x0f]);
+		}
+		putchar('\n');
+		free(digest);
+	    }
+	}
+
+	/* Simulate a string of a million 'a' characters. */
+	memset(buf, 'a', sizeof(buf));
+	digest = check_digest(digest_type, buf, sizeof(buf), &digest_len);
+	if (digest != NULL) {
+	    printf("%s (one million 'a' characters) = ",
+		digest_type_to_name(digest_type));
+	    for (j = 0; j < digest_len; j++) {
+		putchar(hex[digest[j] >> 4]);
+		putchar(hex[digest[j] & 0x0f]);
+	    }
+	    putchar('\n');
+	    free(digest);
+	}
+    }
+
+    return 0;
+}