Fix build break.

[openssl.git] / crypto / asn1 / tasn_dec.c

diff --git a/crypto/asn1/tasn_dec.c b/crypto/asn1/tasn_dec.c
index 64bbe40d8f8eb91c96190e473fc3974826061301..a1b0e28fe8b542cc21f5a54d005578cb82dc5927 100644 (file)
--- a/crypto/asn1/tasn_dec.c
+++ b/crypto/asn1/tasn_dec.c
@@ -14,6 +14,7 @@
 #include <openssl/objects.h>
 #include <openssl/buffer.h>
 #include <openssl/err.h>
+#include "internal/numbers.h"
 #include "asn1_locl.h"
 
 static int asn1_item_embed_d2i(ASN1_VALUE **pval, const unsigned char **in,
@@ -300,6 +301,8 @@ static int asn1_item_embed_d2i(ASN1_VALUE **pval, const unsigned char **in,
                 const ASN1_TEMPLATE *seqtt;
                 ASN1_VALUE **pseqval;
                 seqtt = asn1_do_adb(pval, tt, 1);
+                if (seqtt == NULL)
+                    continue;
                 pseqval = asn1_get_field_ptr(pval, seqtt);
                 asn1_template_free(pseqval, seqtt);
             }
@@ -310,7 +313,7 @@ static int asn1_item_embed_d2i(ASN1_VALUE **pval, const unsigned char **in,
             const ASN1_TEMPLATE *seqtt;
             ASN1_VALUE **pseqval;
             seqtt = asn1_do_adb(pval, tt, 1);
-            if (!seqtt)
+            if (seqtt == NULL)
                 goto err;
             pseqval = asn1_get_field_ptr(pval, seqtt);
             /* Have we ran out of data? */
@@ -375,7 +378,7 @@ static int asn1_item_embed_d2i(ASN1_VALUE **pval, const unsigned char **in,
         for (; i < it->tcount; tt++, i++) {
             const ASN1_TEMPLATE *seqtt;
             seqtt = asn1_do_adb(pval, tt, 1);
-            if (!seqtt)
+            if (seqtt == NULL)
                 goto err;
             if (seqtt->flags & ASN1_TFLG_OPTIONAL) {
                 ASN1_VALUE **pseqval;
@@ -895,7 +898,7 @@ static int asn1_ex_c2i(ASN1_VALUE **pval, const unsigned char *cont, int len,
 
 static int asn1_find_end(const unsigned char **in, long len, char inf)
 {
-    int expected_eoc;
+    uint32_t expected_eoc;
     long plen;
     const unsigned char *p = *in, *q;
     /* If not indefinite length constructed just add length */
@@ -925,10 +928,15 @@ static int asn1_find_end(const unsigned char **in, long len, char inf)
             ASN1err(ASN1_F_ASN1_FIND_END, ERR_R_NESTED_ASN1_ERROR);
             return 0;
         }
-        if (inf)
+        if (inf) {
+            if (expected_eoc == UINT32_MAX) {
+                ASN1err(ASN1_F_ASN1_FIND_END, ERR_R_NESTED_ASN1_ERROR);
+                return 0;
+            }
             expected_eoc++;
-        else
+        } else {
             p += plen;
+        }
         len -= p - q;
     }
     if (expected_eoc) {