Set certificate times in one function. Reviewed-by: Rich Salz <rsalz@openssl.org>

diff --git a/apps/apps.c b/apps/apps.c
index 40b31a5..1ce632f 100644
--- a/apps/apps.c
+++ b/apps/apps.c

@@ -2589,3 +2589,37 @@
         unsigned char *s = signature->data;
         s[signature->length - 1] ^= 0x1;
 }
+
+int set_cert_times(X509 *x, const char *startdate, const char *enddate,
+                   int days)
+{
+    int rv = 0;
+    ASN1_TIME *tm = ASN1_TIME_new();
+    if (tm == NULL)
+        goto err;
+    if (startdate == NULL || strcmp(startdate, "today") == 0) {
+        if (!X509_gmtime_adj(tm, 0))
+            goto err;
+    } else if (!ASN1_TIME_set_string(tm, startdate)) {
+            goto err;
+    }
+
+    if (!X509_set_notBefore(x, tm))
+        goto err;
+
+    if (enddate == NULL) {
+        if (!X509_time_adj_ex(tm, days, 0, NULL))
+            goto err;
+    } else if (!ASN1_TIME_set_string(tm, enddate)) {
+            goto err;
+    }
+
+    if (!X509_set_notAfter(x, tm))
+        goto err;
+
+    rv = 1;
+
+    err:
+    ASN1_TIME_free(tm);
+    return rv;
+}

diff --git a/apps/apps.h b/apps/apps.h
index 326e026..fc73305 100644
--- a/apps/apps.h
+++ b/apps/apps.h

@@ -72,6 +72,8 @@
 # endif
 
 void corrupt_signature(const ASN1_STRING *signature);
+int set_cert_times(X509 *x, const char *startdate, const char *enddate,
+                   int days);
 
 /*
  * Common verification options.

diff --git a/apps/ca.c b/apps/ca.c
index a20ba44..ef61de2 100644
--- a/apps/ca.c
+++ b/apps/ca.c

@@ -1698,16 +1698,11 @@
             goto end;
     }
 
-    if (strcmp(startdate, "today") == 0)
-        X509_gmtime_adj(X509_get_notBefore(ret), 0);
-    else
-        ASN1_TIME_set_string(X509_get_notBefore(ret), startdate);
+    if (!set_cert_times(ret, startdate, enddate, days))
+        goto end;
 
-    if (enddate == NULL)
-        X509_time_adj_ex(X509_get_notAfter(ret), days, 0, NULL);
-    else {
+    if (enddate != NULL) {
         int tdays;
-        ASN1_TIME_set_string(X509_get_notAfter(ret), enddate);
         ASN1_TIME_diff(&tdays, NULL, NULL, X509_get_notAfter(ret));
         days = tdays;
     }

diff --git a/apps/req.c b/apps/req.c
index 112553b..bd18708 100644
--- a/apps/req.c
+++ b/apps/req.c

@@ -616,9 +616,7 @@
 
             if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req)))
                 goto end;
-            if (!X509_gmtime_adj(X509_get_notBefore(x509ss), 0))
-                goto end;
-            if (!X509_time_adj_ex(X509_get_notAfter(x509ss), days, 0, NULL))
+            if (!set_cert_times(x509ss, NULL, NULL, days))
                 goto end;
             if (!X509_set_subject_name
                 (x509ss, X509_REQ_get_subject_name(req)))

diff --git a/apps/x509.c b/apps/x509.c
index ca9a09f..0cb38b7 100644
--- a/apps/x509.c
+++ b/apps/x509.c

@@ -554,9 +554,9 @@
             goto end;
         if (!X509_set_subject_name(x, X509_REQ_get_subject_name(req)))
             goto end;
+        if (!set_cert_times(x, NULL, NULL, days))
+            goto end;
 
-        X509_gmtime_adj(X509_get_notBefore(x), 0);
-        X509_time_adj_ex(X509_get_notAfter(x), days, 0, NULL);
         if (fkey)
             X509_set_pubkey(x, fkey);
         else {
@@ -983,11 +983,7 @@
     if (!X509_set_serialNumber(x, bs))
         goto end;
 
-    if (X509_gmtime_adj(X509_get_notBefore(x), 0L) == NULL)
-        goto end;
-
-    /* hardwired expired */
-    if (X509_time_adj_ex(X509_get_notAfter(x), days, 0, NULL) == NULL)
+    if (!set_cert_times(x, NULL, NULL, days))
         goto end;
 
     if (clrext) {
@@ -1056,12 +1052,8 @@
 
     if (!X509_set_issuer_name(x, X509_get_subject_name(x)))
         goto err;
-    if (X509_gmtime_adj(X509_get_notBefore(x), 0) == NULL)
+    if (!set_cert_times(x, NULL, NULL, days))
         goto err;
-
-    if (X509_time_adj_ex(X509_get_notAfter(x), days, 0, NULL) == NULL)
-        goto err;
-
     if (!X509_set_pubkey(x, pkey))
         goto err;
     if (clrext) {