tests: fix compilation failures

Even though gnutls is a hard-req for libvirt, and gnutls depends
on libtasn1, that does not mean that you have to have the libtasn1
development files installed.  Skip the test rather than failing
compilation in that case.

With newer gcc, the test consumed too much stack space.  Move
things to static storage to fix that.

* configure.ac (AC_CHECK_HEADERS): Check for libtasn1.h.
(HAVE_LIBTASN1): New automake conditional.
* tests/Makefile.am (virnettlsconvirnettlscontexttest_SOURCES)
(virnettlscontexttest_LDADD): Allow compilation without libtasn1.
* tests/virnettlscontexttest.c: Skip test if headers not present.
(struct testTLSCertReq): Alter time members.
(testTLSGenerateCert): Reflect the change.
(mymain): Reduce stack usage.

configure.ac

@@ -136,7 +136,12 @@ LIBS=$old_libs
 dnl Availability of various common headers (non-fatal if missing).
 AC_CHECK_HEADERS([pwd.h paths.h regex.h sys/un.h \
   sys/poll.h syslog.h mntent.h net/ethernet.h linux/magic.h \
-  sys/un.h sys/syscall.h netinet/tcp.h ifaddrs.h])
+  sys/un.h sys/syscall.h netinet/tcp.h ifaddrs.h libtasn1.h])
+
+dnl Our only use of libtasn1.h is in the testsuite, and can be skipped
+dnl if the header is not present.  Assume -ltasn1 is present if the
+dnl header could be found.
+AM_CONDITIONAL([HAVE_LIBTASN1], [test "x$ac_cv_header_libtasn1_h" = "xyes"])
 
 AC_CHECK_LIB([intl],[gettext],[])
 

tests/Makefile.am

@@ -454,9 +454,15 @@ virnetsockettest_CFLAGS = -Dabs_builddir="\"$(abs_builddir)\"" $(AM_CFLAGS)
 virnetsockettest_LDADD = ../src/libvirt-net-rpc.la $(LDADDS)
 
 virnettlscontexttest_SOURCES = \
-	virnettlscontexttest.c testutils.h testutils.c pkix_asn1_tab.c
+	virnettlscontexttest.c testutils.h testutils.c
 virnettlscontexttest_CFLAGS = -Dabs_builddir="\"$(abs_builddir)\"" $(AM_CFLAGS)
-virnettlscontexttest_LDADD = ../src/libvirt-net-rpc.la $(LDADDS) -ltasn1
+virnettlscontexttest_LDADD = ../src/libvirt-net-rpc.la $(LDADDS)
+if HAVE_LIBTASN1
+virnettlscontexttest_SOURCES += pkix_asn1_tab.c
+virnettlscontexttest_LDADD += -ltasn1
+else
+EXTRA_DIST += pkix_asn1_tab.c
+endif
 
 
 seclabeltest_SOURCES = \

tests/virnettlscontexttest.c

@@ -33,7 +33,7 @@
 #include "command.h"
 #include "network.h"
 
-#ifndef WIN32
+#if !defined WIN32 && HAVE_LIBTASN1_H
 # include <libtasn1.h>
 # include <gnutls/gnutls.h>
 # include <gnutls/x509.h>
@@ -112,9 +112,10 @@ struct testTLSCertReq {
     const char *keyPurposeOID1;
     const char *keyPurposeOID2;
 
-    /* if zero, then the current time will be used */
-    time_t start;
-    time_t expire;
+    /* zero for current time, or non-zero for hours from now */
+    int start_offset;
+    /* zero for 24 hours from now, or non-zero for hours from now */
+    int expire_offset;
 };
 
 
@@ -160,13 +161,9 @@ testTLSGenerateCert(struct testTLSCertReq *req)
     size_t size = sizeof(buffer);
     char serial[5] = { 1, 2, 3, 4, 0 };
     gnutls_datum_t der = { (unsigned char *)buffer, size };
-    time_t start = req->start;
-    time_t expire = req->expire;
-
-    if (!start)
-        start = time(NULL);
-    if (!expire)
-        expire = time(NULL) + (60*60*24);
+    time_t start = time(NULL) + (60*60*req->start_offset);
+    time_t expire = time(NULL) + (60*60*(req->expire_offset
+                                         ? req->expire_offset : 24));
 
     /*
      * Prepare our new certificate object
@@ -767,7 +764,7 @@ mymain(void)
     /* A perfect CA, perfect client & perfect server */
 
     /* Basic:CA:critical */
-    struct testTLSCertReq cacertreq = {
+    static struct testTLSCertReq cacertreq = {
         NULL, NULL, "cacert.pem", "UK",
         "libvirt CA", NULL, NULL, NULL, NULL,
         true, true, true,
@@ -775,7 +772,7 @@ mymain(void)
         false, false, NULL, NULL,
         0, 0,
     };
-    struct testTLSCertReq servercertreq = {
+    static struct testTLSCertReq servercertreq = {
         NULL, NULL, "servercert.pem", "UK",
         "libvirt.org", NULL, NULL, NULL, NULL,
         true, true, false,
@@ -783,7 +780,7 @@ mymain(void)
         true, true, GNUTLS_KP_TLS_WWW_SERVER, NULL,
         0, 0,
     };
-    struct testTLSCertReq clientcertreq = {
+    static struct testTLSCertReq clientcertreq = {
         NULL, NULL, "clientcert.pem", "UK",
         "libvirt", NULL, NULL, NULL, NULL,
         true, true, false,
@@ -800,7 +797,7 @@ mymain(void)
     /* Some other CAs which are good */
 
     /* Basic:CA:critical */
-    struct testTLSCertReq cacert1req = {
+    static struct testTLSCertReq cacert1req = {
         NULL, NULL, "cacert1.pem", "UK",
         "libvirt CA 1", NULL, NULL, NULL, NULL,
         true, true, true,
@@ -809,7 +806,7 @@ mymain(void)
         0, 0,
     };
     /* Basic:CA:not-critical */
-    struct testTLSCertReq cacert2req = {
+    static struct testTLSCertReq cacert2req = {
         NULL, NULL, "cacert2.pem", "UK",
         "libvirt CA 2", NULL, NULL, NULL, NULL,
         true, false, true,
@@ -822,7 +819,7 @@ mymain(void)
     /* Default GNUTLS session config forbids use of CAs without
      * basic constraints, so skip this otherwise valid test
      */
-    struct testTLSCertReq cacert3req = {
+    static struct testTLSCertReq cacert3req = {
         NULL, NULL, "cacert3.pem", "UK",
         "libvirt CA 3", NULL, NULL, NULL, NULL,
         true, false, false,
@@ -832,7 +829,7 @@ mymain(void)
     };
 # endif
     /* Key usage:cert-sign:critical */
-    struct testTLSCertReq cacert4req = {
+    static struct testTLSCertReq cacert4req = {
         NULL, NULL, "cacert4.pem", "UK",
         "libvirt CA 4", NULL, NULL, NULL, NULL,
         true, true, true,
@@ -841,7 +838,7 @@ mymain(void)
         0, 0,
     };
     /* Key usage:dig-sig:not-critical */
-    struct testTLSCertReq cacert5req = {
+    static struct testTLSCertReq cacert5req = {
         NULL, NULL, "cacert5.pem", "UK",
         "libvirt CA 5", NULL, NULL, NULL, NULL,
         true, true, true,
@@ -861,7 +858,7 @@ mymain(void)
     /* Now some bad certs */
 
     /* no-basic */
-    struct testTLSCertReq cacert6req = {
+    static struct testTLSCertReq cacert6req = {
         NULL, NULL, "cacert6.pem", "UK",
         "libvirt CA 6", NULL, NULL, NULL, NULL,
         false, false, false,
@@ -870,7 +867,7 @@ mymain(void)
         0, 0,
     };
     /* Key usage:dig-sig:critical */
-    struct testTLSCertReq cacert7req = {
+    static struct testTLSCertReq cacert7req = {
         NULL, NULL, "cacert7.pem", "UK",
         "libvirt CA 7", NULL, NULL, NULL, NULL,
         true, true, true,
@@ -885,7 +882,7 @@ mymain(void)
 
     /* Various good servers */
     /* no usage or purpose */
-    struct testTLSCertReq servercert1req = {
+    static struct testTLSCertReq servercert1req = {
         NULL, NULL, "servercert1.pem", "UK",
         "libvirt", NULL, NULL, NULL, NULL,
         true, true, false,
@@ -894,7 +891,7 @@ mymain(void)
         0, 0,
     };
     /* usage:cert-sign+dig-sig+encipher:critical */
-    struct testTLSCertReq servercert2req = {
+    static struct testTLSCertReq servercert2req = {
         NULL, NULL, "servercert2.pem", "UK",
         "libvirt", NULL, NULL, NULL, NULL,
         true, true, false,
@@ -903,7 +900,7 @@ mymain(void)
         0, 0,
     };
     /* usage:cert-sign:not-critical */
-    struct testTLSCertReq servercert3req = {
+    static struct testTLSCertReq servercert3req = {
         NULL, NULL, "servercert3.pem", "UK",
         "libvirt", NULL, NULL, NULL, NULL,
         true, true, false,
@@ -912,7 +909,7 @@ mymain(void)
         0, 0,
     };
     /* purpose:server:critical */
-    struct testTLSCertReq servercert4req = {
+    static struct testTLSCertReq servercert4req = {
         NULL, NULL, "servercert4.pem", "UK",
         "libvirt", NULL, NULL, NULL, NULL,
         true, true, false,
@@ -921,7 +918,7 @@ mymain(void)
         0, 0,
     };
     /* purpose:server:not-critical */
-    struct testTLSCertReq servercert5req = {
+    static struct testTLSCertReq servercert5req = {
         NULL, NULL, "servercert5.pem", "UK",
         "libvirt", NULL, NULL, NULL, NULL,
         true, true, false,
@@ -930,7 +927,7 @@ mymain(void)
         0, 0,
     };
     /* purpose:client+server:critical */
-    struct testTLSCertReq servercert6req = {
+    static struct testTLSCertReq servercert6req = {
         NULL, NULL, "servercert6.pem", "UK",
         "libvirt", NULL, NULL, NULL, NULL,
         true, true, false,
@@ -939,7 +936,7 @@ mymain(void)
         0, 0,
     };
     /* purpose:client+server:not-critical */
-    struct testTLSCertReq servercert7req = {
+    static struct testTLSCertReq servercert7req = {
         NULL, NULL, "servercert7.pem", "UK",
         "libvirt", NULL, NULL, NULL, NULL,
         true, true, false,
@@ -958,7 +955,7 @@ mymain(void)
     /* Bad servers */
 
     /* usage:cert-sign:critical */
-    struct testTLSCertReq servercert8req = {
+    static struct testTLSCertReq servercert8req = {
         NULL, NULL, "servercert8.pem", "UK",
         "libvirt", NULL, NULL, NULL, NULL,
         true, true, false,
@@ -967,7 +964,7 @@ mymain(void)
         0, 0,
     };
     /* purpose:client:critical */
-    struct testTLSCertReq servercert9req = {
+    static struct testTLSCertReq servercert9req = {
         NULL, NULL, "servercert9.pem", "UK",
         "libvirt", NULL, NULL, NULL, NULL,
         true, true, false,
@@ -976,7 +973,7 @@ mymain(void)
         0, 0,
     };
     /* usage: none:critical */
-    struct testTLSCertReq servercert10req = {
+    static struct testTLSCertReq servercert10req = {
         NULL, NULL, "servercert10.pem", "UK",
         "libvirt", NULL, NULL, NULL, NULL,
         true, true, false,
@@ -993,7 +990,7 @@ mymain(void)
 
     /* Various good clients */
     /* no usage or purpose */
-    struct testTLSCertReq clientcert1req = {
+    static struct testTLSCertReq clientcert1req = {
         NULL, NULL, "clientcert1.pem", "UK",
         "libvirt", NULL, NULL, NULL, NULL,
         true, true, false,
@@ -1002,7 +999,7 @@ mymain(void)
         0, 0,
     };
     /* usage:cert-sign+dig-sig+encipher:critical */
-    struct testTLSCertReq clientcert2req = {
+    static struct testTLSCertReq clientcert2req = {
         NULL, NULL, "clientcert2.pem", "UK",
         "libvirt", NULL, NULL, NULL, NULL,
         true, true, false,
@@ -1011,7 +1008,7 @@ mymain(void)
         0, 0,
     };
     /* usage:cert-sign:not-critical */
-    struct testTLSCertReq clientcert3req = {
+    static struct testTLSCertReq clientcert3req = {
         NULL, NULL, "clientcert3.pem", "UK",
         "libvirt", NULL, NULL, NULL, NULL,
         true, true, false,
@@ -1020,7 +1017,7 @@ mymain(void)
         0, 0,
     };
     /* purpose:client:critical */
-    struct testTLSCertReq clientcert4req = {
+    static struct testTLSCertReq clientcert4req = {
         NULL, NULL, "clientcert4.pem", "UK",
         "libvirt", NULL, NULL, NULL, NULL,
         true, true, false,
@@ -1029,7 +1026,7 @@ mymain(void)
         0, 0,
     };
     /* purpose:client:not-critical */
-    struct testTLSCertReq clientcert5req = {
+    static struct testTLSCertReq clientcert5req = {
         NULL, NULL, "clientcert5.pem", "UK",
         "libvirt", NULL, NULL, NULL, NULL,
         true, true, false,
@@ -1038,7 +1035,7 @@ mymain(void)
         0, 0,
     };
     /* purpose:client+client:critical */
-    struct testTLSCertReq clientcert6req = {
+    static struct testTLSCertReq clientcert6req = {
         NULL, NULL, "clientcert6.pem", "UK",
         "libvirt", NULL, NULL, NULL, NULL,
         true, true, false,
@@ -1047,7 +1044,7 @@ mymain(void)
         0, 0,
     };
     /* purpose:client+client:not-critical */
-    struct testTLSCertReq clientcert7req = {
+    static struct testTLSCertReq clientcert7req = {
         NULL, NULL, "clientcert7.pem", "UK",
         "libvirt", NULL, NULL, NULL, NULL,
         true, true, false,
@@ -1066,7 +1063,7 @@ mymain(void)
     /* Bad clients */
 
     /* usage:cert-sign:critical */
-    struct testTLSCertReq clientcert8req = {
+    static struct testTLSCertReq clientcert8req = {
         NULL, NULL, "clientcert8.pem", "UK",
         "libvirt", NULL, NULL, NULL, NULL,
         true, true, false,
@@ -1075,7 +1072,7 @@ mymain(void)
         0, 0,
     };
     /* purpose:client:critical */
-    struct testTLSCertReq clientcert9req = {
+    static struct testTLSCertReq clientcert9req = {
         NULL, NULL, "clientcert9.pem", "UK",
         "libvirt", NULL, NULL, NULL, NULL,
         true, true, false,
@@ -1084,7 +1081,7 @@ mymain(void)
         0, 0,
     };
     /* usage: none:critical */
-    struct testTLSCertReq clientcert10req = {
+    static struct testTLSCertReq clientcert10req = {
         NULL, NULL, "clientcert10.pem", "UK",
         "libvirt", NULL, NULL, NULL, NULL,
         true, true, false,
@@ -1101,7 +1098,7 @@ mymain(void)
 
     /* Expired stuff */
 
-    struct testTLSCertReq cacertexpreq = {
+    static struct testTLSCertReq cacertexpreq = {
         NULL, NULL, "cacert.pem", "UK",
         "libvirt", NULL, NULL, NULL, NULL,
         true, true, true,
@@ -1109,7 +1106,7 @@ mymain(void)
         false, false, NULL, NULL,
         0, 1,
     };
-    struct testTLSCertReq servercertexpreq = {
+    static struct testTLSCertReq servercertexpreq = {
         NULL, NULL, "servercert.pem", "UK",
         "libvirt", NULL, NULL, NULL, NULL,
         true, true, false,
@@ -1117,7 +1114,7 @@ mymain(void)
         true, true, GNUTLS_KP_TLS_WWW_SERVER, NULL,
         0, 1,
     };
-    struct testTLSCertReq clientcertexpreq = {
+    static struct testTLSCertReq clientcertexpreq = {
         NULL, NULL, "clientcert.pem", "UK",
         "libvirt", NULL, NULL, NULL, NULL,
         true, true, false,
@@ -1133,29 +1130,29 @@ mymain(void)
 
     /* Not activated stuff */
 
-    struct testTLSCertReq cacertnewreq = {
+    static struct testTLSCertReq cacertnewreq = {
         NULL, NULL, "cacert.pem", "UK",
         "libvirt", NULL, NULL, NULL, NULL,
         true, true, true,
         true, true, GNUTLS_KEY_KEY_CERT_SIGN,
         false, false, NULL, NULL,
-        time(NULL)+(60*60), time(NULL)+(60*60*2),
+        1, 2,
     };
-    struct testTLSCertReq servercertnewreq = {
+    static struct testTLSCertReq servercertnewreq = {
         NULL, NULL, "servercert.pem", "UK",
         "libvirt", NULL, NULL, NULL, NULL,
         true, true, false,
         true, true, GNUTLS_KEY_DIGITAL_SIGNATURE | GNUTLS_KEY_KEY_ENCIPHERMENT,
         true, true, GNUTLS_KP_TLS_WWW_SERVER, NULL,
-        time(NULL)+(60*60), time(NULL)+(60*60*2),
+        1, 2,
     };
-    struct testTLSCertReq clientcertnewreq = {
+    static struct testTLSCertReq clientcertnewreq = {
         NULL, NULL, "clientcert.pem", "UK",
         "libvirt", NULL, NULL, NULL, NULL,
         true, true, false,
         true, true, GNUTLS_KEY_DIGITAL_SIGNATURE | GNUTLS_KEY_KEY_ENCIPHERMENT,
         true, true, GNUTLS_KP_TLS_WWW_CLIENT, NULL,
-        time(NULL)+(60*60), time(NULL)+(60*60*2),
+        1, 2,
     };
 
     DO_CTX_TEST(true, cacertnewreq, servercertreq, true);
@@ -1168,7 +1165,7 @@ mymain(void)
 
     /* When an altname is set, the CN is ignored, so it must be duplicated
      * as an altname for it to match */
-    struct testTLSCertReq servercertalt1req = {
+    static struct testTLSCertReq servercertalt1req = {
         NULL, NULL, "servercert.pem", "UK",
         "libvirt.org", "www.libvirt.org", "libvirt.org", "192.168.122.1", "fec0::dead:beaf",
         true, true, false,
@@ -1177,7 +1174,7 @@ mymain(void)
         0, 0,
     };
     /* This intentionally doesn't replicate */
-    struct testTLSCertReq servercertalt2req = {
+    static struct testTLSCertReq servercertalt2req = {
         NULL, NULL, "servercert.pem", "UK",
         "libvirt.org", "www.libvirt.org", "wiki.libvirt.org", "192.168.122.1", "fec0::dead:beaf",
         true, true, false,
@@ -1234,12 +1231,12 @@ mymain(void)
     return (ret==0 ? EXIT_SUCCESS : EXIT_FAILURE);
 }
 
+VIRT_TEST_MAIN(mymain)
+
 #else
-static int
-mymain(int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED)
+int
+main(int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED)
 {
     exit (EXIT_AM_SKIP);
 }
 #endif
-
-VIRT_TEST_MAIN(mymain)