Extensive application of __owur to CT functions that return a boolean
[openssl.git] / test / ct_test.c
index 30e1ac653305290029653cb436133fc46e4653d7..d5eb5ecbe0cc53eb09830388c1039ed12a8b7956 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Tests the Certificate Transparency public and internal APIs.
+ * Tests the Certificate Transparency public API.
  *
  * Author:      Rob Percival (robpercival@google.com)
  *
 
 #include <openssl/ct.h>
 #include <openssl/err.h>
-#include <openssl/ssl.h>
+#include <openssl/pem.h>
 #include <openssl/x509.h>
 #include <openssl/x509v3.h>
 #include "testutil.h"
 
-#if !defined(OPENSSL_NO_CT) && !defined(OPENSSL_NO_UNIT_TEST)
+#ifndef OPENSSL_NO_CT
 
 /* Used when declaring buffers to read text files into */
 #define CT_TEST_MAX_FILE_SIZE 8096
 
+char *certs_dir = NULL;
+char *ct_dir = NULL;
+
 typedef struct ct_test_fixture {
     const char *test_case_name;
     /* The CT log store to use during tests */
     CTLOG_STORE* ctlog_store;
     /* Set the following to test handling of SCTs in X509 certificates */
-    const char *certificate_file_path;
-    const char *issuer_file_path;
+    const char *certs_dir;
+    char *certificate_file;
+    char *issuer_file;
     int expected_sct_count;
     /* Set the following to test handling of SCTs in TLS format */
     const uint8_t *tls_sct;
@@ -86,7 +90,8 @@ typedef struct ct_test_fixture {
      * This text will be compared to the actual text output during the test.
      * A maximum of |CT_TEST_MAX_FILE_SIZE| bytes will be read of this file.
      */
-    const char *sct_text_file_path;
+    const char *sct_dir;
+    const char *sct_text_file;
     /* Whether to test the validity of the SCT(s) */
     int test_validity;
 
@@ -128,28 +133,57 @@ static void tear_down(CT_TEST_FIXTURE fixture)
     ERR_print_errors_fp(stderr);
 }
 
-static X509 *load_pem_cert(const char *file)
+static char *mk_file_path(const char *dir, const char *file)
+{
+    char *full_file = NULL;
+    size_t full_file_l = 0;
+    const char *sep = "";
+#ifndef OPENSSL_SYS_VMS
+    sep = "/";
+#endif
+
+    full_file_l = strlen(dir) + strlen(sep) + strlen(file) + 1;
+    full_file = OPENSSL_zalloc(full_file_l);
+    if (full_file != NULL) {
+        OPENSSL_strlcpy(full_file, dir, full_file_l);
+        OPENSSL_strlcat(full_file, sep, full_file_l);
+        OPENSSL_strlcat(full_file, file, full_file_l);
+    }
+
+    return full_file;
+}
+
+static X509 *load_pem_cert(const char *dir, const char *file)
 {
-    BIO *cert_io = BIO_new_file(file, "r");
     X509 *cert = NULL;
+    char *file_path = mk_file_path(dir, file);
 
-    if (cert_io == NULL) goto end;
+    if (file_path != NULL) {
+        BIO *cert_io = BIO_new_file(file_path, "r");
+        OPENSSL_free(file_path);
 
-    cert = PEM_read_bio_X509(cert_io, NULL, NULL, NULL);
+        if (cert_io != NULL)
+            cert = PEM_read_bio_X509(cert_io, NULL, NULL, NULL);
 
-end:
-    BIO_free(cert_io);
+        BIO_free(cert_io);
+    }
     return cert;
 }
 
-static int read_text_file(const char *path, char *buffer, int buffer_length)
+static int read_text_file(const char *dir, const char *file,
+                          char *buffer, int buffer_length)
 {
-    BIO *file = BIO_new_file(path, "r");
     int result = -1;
+    char *file_path = mk_file_path(dir, file);
 
-    if (file != NULL) {
-        result = BIO_read(file, buffer, buffer_length);
-        BIO_free(file);
+    if (file_path != NULL) {
+        BIO *file_io = BIO_new_file(file_path, "r");
+        OPENSSL_free(file_path);
+
+        if (file_io != NULL) {
+            result = BIO_read(file_io, buffer, buffer_length);
+            BIO_free(file_io);
+        }
     }
 
     return result;
@@ -242,16 +276,15 @@ static int execute_cert_test(CT_TEST_FIXTURE fixture)
     size_t tls_sct_len = 0;
     CT_POLICY_EVAL_CTX *ct_policy_ctx = CT_POLICY_EVAL_CTX_new();
 
-    if (fixture.sct_text_file_path != NULL) {
-        sct_text_len = read_text_file(
-            fixture.sct_text_file_path,
-            expected_sct_text,
-            CT_TEST_MAX_FILE_SIZE - 1);
+    if (fixture.sct_text_file != NULL) {
+        sct_text_len = read_text_file(fixture.sct_dir, fixture.sct_text_file,
+                                      expected_sct_text,
+                                      CT_TEST_MAX_FILE_SIZE - 1);
 
         if (sct_text_len < 0) {
             test_failed = 1;
             fprintf(stderr, "Test data file not found: %s\n",
-                fixture.sct_text_file_path);
+                fixture.sct_text_file);
             goto end;
         }
 
@@ -260,27 +293,27 @@ static int execute_cert_test(CT_TEST_FIXTURE fixture)
 
     CT_POLICY_EVAL_CTX_set0_log_store(ct_policy_ctx, fixture.ctlog_store);
 
-    if (fixture.certificate_file_path != NULL) {
+    if (fixture.certificate_file != NULL) {
         int sct_extension_index;
         X509_EXTENSION *sct_extension = NULL;
-        cert = load_pem_cert(fixture.certificate_file_path);
+        cert = load_pem_cert(fixture.certs_dir, fixture.certificate_file);
 
         if (cert == NULL) {
             test_failed = 1;
             fprintf(stderr, "Unable to load certificate: %s\n",
-                fixture.certificate_file_path);
+                fixture.certificate_file);
             goto end;
         }
 
         CT_POLICY_EVAL_CTX_set0_cert(ct_policy_ctx, cert);
 
-        if (fixture.issuer_file_path != NULL) {
-            issuer = load_pem_cert(fixture.issuer_file_path);
+        if (fixture.issuer_file != NULL) {
+            issuer = load_pem_cert(fixture.certs_dir, fixture.issuer_file);
 
             if (issuer == NULL) {
                 test_failed = 1;
                 fprintf(stderr, "Unable to load issuer certificate: %s\n",
-                        fixture.issuer_file_path);
+                        fixture.issuer_file);
                 goto end;
             }
 
@@ -294,11 +327,11 @@ static int execute_cert_test(CT_TEST_FIXTURE fixture)
             if (sct_extension == NULL) {
                 test_failed = 1;
                 fprintf(stderr, "SCT extension not found in: %s\n",
-                    fixture.certificate_file_path);
+                    fixture.certificate_file);
                 goto end;
             }
 
-            if (fixture.sct_text_file_path) {
+            if (fixture.sct_text_file) {
                 test_failed = compare_extension_printout(sct_extension,
                                                     expected_sct_text);
                 if (test_failed != 0)
@@ -308,7 +341,12 @@ static int execute_cert_test(CT_TEST_FIXTURE fixture)
             if (fixture.test_validity) {
                 int are_scts_validated = 0;
                 scts = X509V3_EXT_d2i(sct_extension);
-                SCT_LIST_set_source(scts, SCT_SOURCE_X509V3_EXTENSION);
+                if (SCT_LIST_set_source(scts, SCT_SOURCE_X509V3_EXTENSION) !=
+                    sk_SCT_num(scts)) {
+                    fprintf(stderr,
+                            "Error setting SCT source to X509v3 extension\n");
+                    test_failed = 1;
+                }
 
                 are_scts_validated = SCT_LIST_validate(scts, ct_policy_ctx);
                 if (are_scts_validated < 0) {
@@ -357,7 +395,7 @@ static int execute_cert_test(CT_TEST_FIXTURE fixture)
             test_failed = 1;
             fprintf(stderr,
                     "Expected no SCTs, but found SCT extension in: %s\n",
-                    fixture.certificate_file_path);
+                    fixture.certificate_file);
             goto end;
         }
     }
@@ -370,7 +408,7 @@ static int execute_cert_test(CT_TEST_FIXTURE fixture)
             goto end;
         }
 
-        if (fixture.sct_text_file_path) {
+        if (fixture.sct_text_file) {
             test_failed = compare_sct_printout(sct, expected_sct_text);
             if (test_failed != 0)
                 goto end;
@@ -414,8 +452,9 @@ end:
 static int test_no_scts_in_certificate()
 {
     SETUP_CT_TEST_FIXTURE();
-    fixture.certificate_file_path = "certs/leaf.pem";
-    fixture.issuer_file_path = "certs/subinterCA.pem";
+    fixture.certs_dir = certs_dir;
+    fixture.certificate_file = "leaf.pem";
+    fixture.issuer_file = "subinterCA.pem";
     fixture.expected_sct_count = 0;
     EXECUTE_CT_TEST();
 }
@@ -423,28 +462,33 @@ static int test_no_scts_in_certificate()
 static int test_one_sct_in_certificate()
 {
     SETUP_CT_TEST_FIXTURE();
-    fixture.certificate_file_path = "certs/embeddedSCTs1.pem";
-    fixture.issuer_file_path = "certs/embeddedSCTs1_issuer.pem";
+    fixture.certs_dir = certs_dir;
+    fixture.certificate_file = "embeddedSCTs1.pem";
+    fixture.issuer_file = "embeddedSCTs1_issuer.pem";
     fixture.expected_sct_count = 1;
-    fixture.sct_text_file_path = "certs/embeddedSCTs1.sct";
+    fixture.sct_dir = certs_dir;
+    fixture.sct_text_file = "embeddedSCTs1.sct";
     EXECUTE_CT_TEST();
 }
 
 static int test_multiple_scts_in_certificate()
 {
     SETUP_CT_TEST_FIXTURE();
-    fixture.certificate_file_path = "certs/embeddedSCTs3.pem";
-    fixture.issuer_file_path = "certs/embeddedSCTs3_issuer.pem";
+    fixture.certs_dir = certs_dir;
+    fixture.certificate_file = "embeddedSCTs3.pem";
+    fixture.issuer_file = "embeddedSCTs3_issuer.pem";
     fixture.expected_sct_count = 3;
-    fixture.sct_text_file_path = "certs/embeddedSCTs3.sct";
+    fixture.sct_dir = certs_dir;
+    fixture.sct_text_file = "embeddedSCTs3.sct";
     EXECUTE_CT_TEST();
 }
 
 static int test_verify_one_sct()
 {
     SETUP_CT_TEST_FIXTURE();
-    fixture.certificate_file_path = "certs/embeddedSCTs1.pem";
-    fixture.issuer_file_path = "certs/embeddedSCTs1_issuer.pem";
+    fixture.certs_dir = certs_dir;
+    fixture.certificate_file = "embeddedSCTs1.pem";
+    fixture.issuer_file = "embeddedSCTs1_issuer.pem";
     fixture.expected_sct_count = 1;
     fixture.test_validity = 1;
     EXECUTE_CT_TEST();
@@ -453,8 +497,9 @@ static int test_verify_one_sct()
 static int test_verify_multiple_scts()
 {
     SETUP_CT_TEST_FIXTURE();
-    fixture.certificate_file_path = "certs/embeddedSCTs3.pem";
-    fixture.issuer_file_path = "certs/embeddedSCTs3_issuer.pem";
+    fixture.certs_dir = certs_dir;
+    fixture.certificate_file = "embeddedSCTs3.pem";
+    fixture.issuer_file = "embeddedSCTs3_issuer.pem";
     fixture.expected_sct_count = 3;
     fixture.test_validity = 1;
     EXECUTE_CT_TEST();
@@ -479,7 +524,8 @@ static int test_decode_tls_sct()
         "\x6A\x68\x06\x53\x98\x7D\xCF\x41\x02\x7D\xFE\xFF\xA1\x05\x51\x9D\x89"
         "\xED\xBF\x08"; /* signature */
     fixture.tls_sct_len = 118;
-    fixture.sct_text_file_path = "ct/tls1.sct";
+    fixture.sct_dir = ct_dir;
+    fixture.sct_text_file = "tls1.sct";
     EXECUTE_CT_TEST();
 }
 
@@ -488,27 +534,49 @@ static int test_encode_tls_sct()
     SETUP_CT_TEST_FIXTURE();
 
     SCT *sct = SCT_new();
-    SCT_set_version(sct, 0);
-    SCT_set1_log_id(sct, (unsigned char *)
+    if (!SCT_set_version(sct, 0)) {
+        fprintf(stderr, "Failed to set SCT version\n");
+        return 1;
+    }
+    if (!SCT_set1_log_id(sct, (unsigned char *)
         "\xDF\x1C\x2E\xC1\x15\x00\x94\x52\x47\xA9\x61\x68\x32\x5D\xDC\x5C\x79"
-        "\x59\xE8\xF7\xC6\xD3\x88\xFC\x00\x2E\x0B\xBD\x3F\x74\xD7\x64", 32);
+        "\x59\xE8\xF7\xC6\xD3\x88\xFC\x00\x2E\x0B\xBD\x3F\x74\xD7\x64", 32)) {
+        fprintf(stderr, "Failed to set SCT log ID\n");
+        return 1;
+    }
     SCT_set_timestamp(sct, 1);
-    SCT_set1_extensions(sct, (unsigned char *)"", 0);
-    SCT_set_signature_nid(sct, NID_ecdsa_with_SHA256);
-    SCT_set1_signature(sct, (unsigned char *)
+    if (!SCT_set1_extensions(sct, (unsigned char *)"", 0)) {
+        fprintf(stderr, "Failed to set SCT extensions\n");
+        return 1;
+    }
+    if (!SCT_set_signature_nid(sct, NID_ecdsa_with_SHA256)) {
+        fprintf(stderr, "Failed to set SCT signature NID\n");
+        return 1;
+    }
+    if (!SCT_set1_signature(sct, (unsigned char *)
         "\x45\x02\x20\x48\x2F\x67\x51\xAF\x35\xDB\xA6\x54\x36\xBE"
         "\x1F\xD6\x64\x0F\x3D\xBF\x9A\x41\x42\x94\x95\x92\x45\x30\x28\x8F\xA3"
         "\xE5\xE2\x3E\x06\x02\x21\x00\xE4\xED\xC0\xDB\x3A\xC5\x72\xB1\xE2\xF5"
         "\xE8\xAB\x6A\x68\x06\x53\x98\x7D\xCF\x41\x02\x7D\xFE\xFF\xA1\x05\x51"
-        "\x9D\x89\xED\xBF\x08", 71);
+        "\x9D\x89\xED\xBF\x08", 71)) {
+        fprintf(stderr, "Failed to set SCT signature\n");
+        return 1;
+    }
     fixture.sct = sct;
-    fixture.sct_text_file_path = "ct/tls1.sct";
+    fixture.sct_dir = ct_dir;
+    fixture.sct_text_file = "tls1.sct";
     EXECUTE_CT_TEST();
 }
 
 int main(int argc, char *argv[])
 {
     int result = 0;
+    char *tmp_env = NULL;
+
+    tmp_env = getenv("CT_DIR");
+    ct_dir = OPENSSL_strdup(tmp_env != NULL ? tmp_env : "ct");
+    tmp_env = getenv("CERTS_DIR");
+    certs_dir = OPENSSL_strdup(tmp_env != NULL ? tmp_env : "certs");
 
     ADD_TEST(test_no_scts_in_certificate);
     ADD_TEST(test_one_sct_in_certificate);
@@ -521,6 +589,9 @@ int main(int argc, char *argv[])
     result = run_tests(argv[0]);
     ERR_print_errors_fp(stderr);
 
+    OPENSSL_free(ct_dir);
+    OPENSSL_free(certs_dir);
+
     return result;
 }