From 6bb6a1a10fdf01c618be5bde0beeb65a1c90f866 Mon Sep 17 00:00:00 2001
From: Nikos Mavrogiannopoulos <nmav@gnutls.org>
Date: Fri, 8 Jul 2016 08:29:40 +0200
Subject: encode and decode object identifiers with elements larger than 2^32
 in 32-bit systems

---
 lib/coding.c     | 4 ++--
 lib/decoding.c   | 2 +-
 lib/int.h        | 6 ++++++
 lib/parser_aux.c | 4 ++--
 lib/parser_aux.h | 2 +-
 5 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/lib/coding.c b/lib/coding.c
index 66531b0..7141df7 100644
--- a/lib/coding.c
+++ b/lib/coding.c
@@ -337,7 +337,7 @@ _asn1_objectid_der (unsigned char *str, unsigned char *der, int *der_len)
   int len_len, counter, k, first, max_len;
   char *temp, *n_end, *n_start;
   unsigned char bit7;
-  unsigned long val, val1 = 0;
+  uint64_t val, val1 = 0;
   int str_len = _asn1_strlen (str);
 
   max_len = *der_len;
@@ -355,7 +355,7 @@ _asn1_objectid_der (unsigned char *str, unsigned char *der, int *der_len)
   while ((n_end = strchr (n_start, '.')))
     {
       *n_end = 0;
-      val = strtoul (n_start, NULL, 10);
+      val = _asn1_strtou64 (n_start, NULL, 10);
       counter++;
 
       if (counter == 1)
diff --git a/lib/decoding.c b/lib/decoding.c
index cfe2322..31c3708 100644
--- a/lib/decoding.c
+++ b/lib/decoding.c
@@ -395,7 +395,7 @@ asn1_get_object_id_der (const unsigned char *der, int der_len, int *ret_len,
   int len_len, len, k;
   int leading;
   char temp[LTOSTR_MAX_SIZE];
-  unsigned long val, val1;
+  uint64_t val, val1;
 
   *ret_len = 0;
   if (str && str_size > 0)
diff --git a/lib/int.h b/lib/int.h
index f1f1302..7d2eea3 100644
--- a/lib/int.h
+++ b/lib/int.h
@@ -118,6 +118,12 @@ extern const tag_and_class_st _asn1_tags[];
 #define _asn1_strcpy(a,b) strcpy((char *)a, (const char *)b)
 #define _asn1_strcat(a,b) strcat((char *)a, (const char *)b)
 
+#if SIZEOF_UNSIGNED_LONG_INT == 8
+# define _asn1_strtou64(n,e,b) strtoul((const char *) n, e, b)
+#else
+# define _asn1_strtou64(n,e,b) strtoull((const char *) n, e, b)
+#endif
+
 #define MAX_LOG_SIZE 1024	/* maximum number of characters of a log message */
 
 /* Define used for visiting trees. */
diff --git a/lib/parser_aux.c b/lib/parser_aux.c
index 52700c6..2285b20 100644
--- a/lib/parser_aux.c
+++ b/lib/parser_aux.c
@@ -549,9 +549,9 @@ _asn1_delete_list_and_nodes (void)
 
 
 char *
-_asn1_ltostr (long v, char str[LTOSTR_MAX_SIZE])
+_asn1_ltostr (int64_t v, char str[LTOSTR_MAX_SIZE])
 {
-  long d, r;
+  int64_t d, r;
   char temp[LTOSTR_MAX_SIZE];
   int count, k, start;
 
diff --git a/lib/parser_aux.h b/lib/parser_aux.h
index 10b864b..9f91833 100644
--- a/lib/parser_aux.h
+++ b/lib/parser_aux.h
@@ -54,7 +54,7 @@ void _asn1_delete_list_and_nodes (void);
 
 /* Max 64-bit integer length is 20 chars + 1 for sign + 1 for null termination */
 #define LTOSTR_MAX_SIZE 22
-char *_asn1_ltostr (long v, char str[LTOSTR_MAX_SIZE]);
+char *_asn1_ltostr (int64_t v, char str[LTOSTR_MAX_SIZE]);
 
 asn1_node _asn1_find_up (asn1_node node);
 
-- 
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