Revert "Update to 7.44.0"

[platform/upstream/curl.git] / lib / x509asn1.c

diff --git a/lib/x509asn1.c b/lib/x509asn1.c
index a3dfd64..af08cee 100644 (file)
--- a/lib/x509asn1.c
+++ b/lib/x509asn1.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -22,8 +22,7 @@
 
 #include "curl_setup.h"
 
-#if defined(USE_GSKIT) || defined(USE_NSS) || defined(USE_GNUTLS) || \
-    defined(USE_CYASSL)
+#if defined(USE_GSKIT) || defined(USE_NSS)
 
 #include <curl/curl.h>
 #include "urldata.h"
@@ -34,7 +33,10 @@
 #include "inet_pton.h"
 #include "curl_base64.h"
 #include "x509asn1.h"
-#include "curl_printf.h"
+
+#define _MPRINTF_REPLACE /* use our functions only */
+#include <curl/mprintf.h>
+
 #include "curl_memory.h"
 /* The last #include file should be: */
 #include "memdebug.h"
@@ -210,6 +212,7 @@ static const char * octet2str(const char * beg, const char * end)
 }
 
 static const char * bit2str(const char * beg, const char * end)
+
 {
   /* Convert an ASN.1 bit string to a printable string.
      Return the dynamically allocated string, or NULL if an error occurs. */
@@ -298,10 +301,8 @@ utf8asn1str(char * * to, int type, const char * from, const char * end)
       case 4:
         wc = (wc << 8) | *(const unsigned char *) from++;
         wc = (wc << 8) | *(const unsigned char *) from++;
-        /* fallthrough */
       case 2:
         wc = (wc << 8) | *(const unsigned char *) from++;
-        /* fallthrough */
       default: /* case 1: */
         wc = (wc << 8) | *(const unsigned char *) from++;
       }
@@ -539,6 +540,8 @@ static const char * UTime2str(const char * beg, const char * end)
 
 const char * Curl_ASN1tostr(curl_asn1Element * elem, int type)
 {
+  static const char zero = '\0';
+
   /* Convert an ASN.1 element to a printable string.
      Return the dynamically allocated string, or NULL if an error occurs. */
 
@@ -559,7 +562,7 @@ const char * Curl_ASN1tostr(curl_asn1Element * elem, int type)
   case CURL_ASN1_OCTET_STRING:
     return octet2str(elem->beg, elem->end);
   case CURL_ASN1_NULL:
-    return strdup("");
+    return strdup(&zero);
   case CURL_ASN1_OBJECT_IDENTIFIER:
     return OID2str(elem->beg, elem->end, TRUE);
   case CURL_ASN1_UTC_TIME:
@@ -821,7 +824,7 @@ static void do_pubkey(struct SessionHandle * data, int certnum,
     /* Compute key length. */
     for(q = elem.beg; !*q && q < elem.end; q++)
       ;
-    len = (unsigned long)((elem.end - q) * 8);
+    len = (elem.end - q) * 8;
     if(len)
       for(i = *(unsigned char *) q; !(i & 0x80); i <<= 1)
         len--;
@@ -1024,7 +1027,7 @@ CURLcode Curl_extract_certinfo(struct connectdata * conn,
   return CURLE_OK;
 }
 
-#endif /* USE_GSKIT or USE_NSS or USE_GNUTLS or USE_CYASSL */
+#endif /* USE_GSKIT or USE_NSS */
 
 #if defined(USE_GSKIT)
 
@@ -1116,7 +1119,8 @@ CURLcode Curl_verifyhost(struct connectdata * conn,
           if(len > 0)
             if(strlen(dnsname) == (size_t) len)
               i = Curl_cert_hostcheck((const char *) dnsname, conn->host.name);
-          free(dnsname);
+          if(dnsname)
+            free(dnsname);
           if(!i)
             return CURLE_PEER_FAILED_VERIFICATION;
           matched = i;