Yaip is now able to generate simple SSL certificates for a given host. I don't currently add any extensions to the certificates (such as alternative names). When I get to testing it with a browser I'll see what browsers require. However, I think I'll probably generate certificates for each host, including sub domains, to make life easier searching. I've also added a util function to count lines in a file that was used for testing some of the ssl functions.master
Jonathan Hodgson
2 years ago
parent
bb62ed3b1f
commit
1beca38af6
9 changed files with 375 additions and 30 deletions
@ -1,19 +1,35 @@ |
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#ifndef SSL_H |
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#define SSL_H |
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#include <openssl/ossl_typ.h> |
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#include <openssl/ssl.h> |
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#include <openssl/err.h> |
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#include <openssl/x509.h> |
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#include <openssl/pem.h> |
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#include <stdlib.h> |
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#include "config.h" |
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typedef struct CertList CertList; |
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struct CertList { |
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char *host; |
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EVP_PKEY *key; |
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X509 *cert; |
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CertList *next; |
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}; |
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SSL_CTX* InitServerCTX(Config *config); |
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EVP_PKEY* generate_ca_key(); |
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X509* generate_ca_cert(EVP_PKEY * pkey); |
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X509* generate_site_cert( EVP_PKEY *pkey, X509 *caCert, char *host ); |
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bool create_and_save_key(char keyfile[]); |
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bool create_and_save_cert(char keyfile[], EVP_PKEY *pkey); |
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EVP_PKEY* read_private_key(char keyfile[]); |
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CertList *newCertListItem(char *host, EVP_PKEY *key, X509 *cert); |
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CertList *getLastCertListItem(CertList *item); |
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unsigned int countCertListItems(CertList *item); |
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CertList *findCertListItem( CertList *first, char *hostname ); |
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#endif /* ifndef SSL_ */ |
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@ -0,0 +1,206 @@ |
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#ifndef SSL_TEST |
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#define SSL_TEST |
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#include "munit/munit.h" |
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#include "../src/ssl.h" |
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#include "../src/util.h" |
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MunitResult testNewRsaKeySave(const MunitParameter params[], |
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void* user_data_or_fixture){ |
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char keyFile[] = "/tmp/yaip-test-keyfile"; |
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create_and_save_key( keyFile ); |
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//TODO: make better tests.
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// For now checking there is at least 3 lines seems ok
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munit_assert_int( 3, <, countLines(keyFile) ); |
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remove(keyFile); |
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return MUNIT_OK; |
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} |
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MunitResult testNewCACertificate(const MunitParameter params[], |
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void* user_data_or_fixture){ |
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EVP_PKEY *key = generate_ca_key(); |
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const char *nameEntry =munit_parameters_get(params, "Name Entry" ); |
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X509 *x509 = generate_ca_cert(key); |
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munit_assert_not_null( x509 ); |
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X509_NAME *name = X509_get_subject_name(x509); |
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munit_assert_not_null( name ); |
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char buff[200] = {'\0'}; |
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if ( strcmp( nameEntry, "C" ) == 0 ){ |
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X509_NAME_get_text_by_NID( name, NID_countryName, buff, 200 ); |
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munit_assert_string_equal( buff, "UK"); |
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} else if ( strcmp( nameEntry, "O" ) == 0 ){ |
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X509_NAME_get_text_by_NID( name, NID_organizationName, buff, 200 ); |
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munit_assert_string_equal( buff, "Yet Another Intercepting Proxy"); |
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} else if ( strcmp( nameEntry, "CN" ) == 0 ){ |
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X509_NAME_get_text_by_NID( name, NID_commonName, buff, 200 ); |
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munit_assert_string_equal( buff, "yaip.yaip"); |
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} |
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return MUNIT_OK; |
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} |
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MunitResult testNewCertificateSave(const MunitParameter params[], |
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void* user_data_or_fixture){ |
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char certFile[] = "/tmp/yaip-test-certfile"; |
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EVP_PKEY *key = generate_ca_key(); |
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create_and_save_cert( certFile, key ); |
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//TODO: make better tests.
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// For now checking there is at least 3 lines seems ok
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munit_assert_int( 3, <, countLines(certFile) ); |
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remove( certFile ); |
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return MUNIT_OK; |
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} |
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MunitResult testCerlistCount(const MunitParameter params[], |
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void* user_data_or_fixture){ |
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CertList *head = NULL; |
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CertList *last = head; |
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unsigned int count = atoi(munit_parameters_get(params, "Count" )); |
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for ( unsigned int i = 0; i < count; i++ ){ |
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CertList *newItem = malloc(sizeof( CertList )); |
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newItem->next = NULL; |
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if ( head == NULL ){ |
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head = newItem; |
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last = newItem; |
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} else { |
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last->next = newItem; |
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last = last->next; |
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} |
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} |
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munit_assert_int( countCertListItems(head), ==, count ); |
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return MUNIT_OK; |
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} |
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MunitResult testCerlistLast(const MunitParameter params[], |
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void* user_data_or_fixture){ |
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const char *countstr = munit_parameters_get(params, "Count" ); |
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//const char *countstr = "2";
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const unsigned int count = atoi(countstr); |
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CertList *head = NULL; |
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CertList *last = head; |
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for ( unsigned int i = 0; i < count; i++ ){ |
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CertList *newItem = malloc(sizeof( CertList )); |
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char str[5] = {'\0'}; |
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sprintf(str, "%d", i+1); |
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newItem->next = NULL; |
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newItem->host = strdup(str); |
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if ( head == NULL ){ |
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head = newItem; |
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last = newItem; |
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} else { |
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last->next = newItem; |
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last = last->next; |
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} |
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} |
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CertList *lastCert = getLastCertListItem(head); |
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if ( count == 0 ){ |
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munit_assert_null( lastCert ); |
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} else { |
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munit_assert_int( countCertListItems(head), ==, count ); |
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munit_assert_string_equal( countstr, lastCert->host ); |
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} |
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return MUNIT_OK; |
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} |
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MunitResult testNewHostCertificate(const MunitParameter params[], |
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void* user_data_or_fixture){ |
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EVP_PKEY *key = generate_ca_key(); |
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X509 *x509 = generate_ca_cert(key); |
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X509 *siteCert = generate_site_cert( key, x509, "example.com" ); |
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const char *nameType = munit_parameters_get(params, "Name" ); |
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X509_NAME *name; |
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char buff[200] = {'\0'}; |
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if ( strcmp( nameType, "subject" ) ){ |
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name = X509_get_subject_name(siteCert); |
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X509_NAME_get_text_by_NID( name, NID_commonName, buff, 200 ); |
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munit_assert_string_equal( buff, "example.com" ); |
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} else if ( strcmp( nameType, "issuer" ) ){ |
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name = X509_get_issuer_name(siteCert); |
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X509_NAME_get_text_by_NID( name, NID_commonName, buff, 200 ); |
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munit_assert_string_equal( buff, "yaip.yaip" ); |
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} else { |
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return MUNIT_ERROR; |
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} |
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//FILE * pkey_file = fopen("examplecert.pem", "wb");
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//// Write the cert to disk.
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//PEM_write_X509( pkey_file, siteCert );
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//fclose(pkey_file);
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return MUNIT_OK; |
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} |
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static char* count_parameters[] = { |
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"0", "1", "2", "10", "50", NULL |
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}; |
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static char* x509_name_parameters[] = { |
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"C", "O", "CN", NULL |
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}; |
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static char* x509_issuer_subject_parameters[] = { |
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"issuer", "subject", NULL |
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}; |
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static MunitParameterEnum count_params[] = { |
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{ "Count", count_parameters }, |
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{ NULL, NULL }, |
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}; |
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static MunitParameterEnum x509_name_params[] = { |
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{ "Name Entry", x509_name_parameters }, |
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{ NULL, NULL }, |
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}; |
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static MunitParameterEnum x509_issuer_subject_params[] = { |
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{ "Name", x509_issuer_subject_parameters }, |
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{ NULL, NULL }, |
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}; |
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static MunitTest ssl_tests[] = { |
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// name test setup tear_down options parameters
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{ "/ca/rsa_key/save", testNewRsaKeySave, NULL, NULL, MUNIT_TEST_OPTION_NONE, NULL }, |
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{ "/ca/cert/new", testNewCACertificate, NULL, NULL, MUNIT_TEST_OPTION_NONE, x509_name_params }, |
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{ "/ca/cert/save", testNewCertificateSave, NULL, NULL, MUNIT_TEST_OPTION_NONE, NULL }, |
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{ "/CertList/count", testCerlistCount, NULL, NULL, MUNIT_TEST_OPTION_NONE, count_params }, |
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{ "/CertList/last", testCerlistLast, NULL, NULL, MUNIT_TEST_OPTION_NONE, count_params }, |
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{ "/hostcert/new", testNewHostCertificate, NULL, NULL, MUNIT_TEST_OPTION_NONE, x509_issuer_subject_params }, |
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/* Mark the end of the array with an entry where the test
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* function is NULL */ |
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{ NULL, NULL, NULL, NULL, MUNIT_TEST_OPTION_NONE, NULL } |
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}; |
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MunitSuite ssl_test_suite = { |
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"/ssl", /* name */ |
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ssl_tests, /* tests */ |
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NULL, /* suites */ |
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1, /* iterations */ |
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MUNIT_SUITE_OPTION_NONE /* options */ |
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}; |
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#ifndef MAINTEST |
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#define MAINTEST |
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int main (int argc, char* argv[]) { |
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return munit_suite_main(&ssl_test_suite, NULL, argc, argv); |
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} |
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#endif /* ifndef MAINTEST */ |
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#endif |
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