diff options
author | Arne Schwabe <arne@rfc2549.org> | 2014-04-23 09:56:37 +0200 |
---|---|---|
committer | Arne Schwabe <arne@rfc2549.org> | 2014-04-23 09:56:37 +0200 |
commit | e436c963f0976b885a7db04681344779e26dd3b5 (patch) | |
tree | 240663106f32e02e1c34080656f4ef21a2e1776e /main/openssl/crypto/x509v3/v3_asid.c | |
parent | 6a99715a9b072fa249e79c98cd9f03991f0f1219 (diff) |
Update OpenSSL to 1.0.1g and statically link OpenVPN with it
Diffstat (limited to 'main/openssl/crypto/x509v3/v3_asid.c')
-rw-r--r-- | main/openssl/crypto/x509v3/v3_asid.c | 63 |
1 files changed, 55 insertions, 8 deletions
diff --git a/main/openssl/crypto/x509v3/v3_asid.c b/main/openssl/crypto/x509v3/v3_asid.c index 3f434c06..1587e8ed 100644 --- a/main/openssl/crypto/x509v3/v3_asid.c +++ b/main/openssl/crypto/x509v3/v3_asid.c @@ -358,6 +358,20 @@ static int ASIdentifierChoice_is_canonical(ASIdentifierChoice *choice) goto done; } + /* + * Check for inverted range. + */ + i = sk_ASIdOrRange_num(choice->u.asIdsOrRanges) - 1; + { + ASIdOrRange *a = sk_ASIdOrRange_value(choice->u.asIdsOrRanges, i); + ASN1_INTEGER *a_min, *a_max; + if (a != NULL && a->type == ASIdOrRange_range) { + extract_min_max(a, &a_min, &a_max); + if (ASN1_INTEGER_cmp(a_min, a_max) > 0) + goto done; + } + } + ret = 1; done: @@ -392,9 +406,18 @@ static int ASIdentifierChoice_canonize(ASIdentifierChoice *choice) return 1; /* - * We have a list. Sort it. + * If not a list, or if empty list, it's broken. + */ + if (choice->type != ASIdentifierChoice_asIdsOrRanges || + sk_ASIdOrRange_num(choice->u.asIdsOrRanges) == 0) { + X509V3err(X509V3_F_ASIDENTIFIERCHOICE_CANONIZE, + X509V3_R_EXTENSION_VALUE_ERROR); + return 0; + } + + /* + * We have a non-empty list. Sort it. */ - OPENSSL_assert(choice->type == ASIdentifierChoice_asIdsOrRanges); sk_ASIdOrRange_sort(choice->u.asIdsOrRanges); /* @@ -415,6 +438,13 @@ static int ASIdentifierChoice_canonize(ASIdentifierChoice *choice) OPENSSL_assert(ASN1_INTEGER_cmp(a_min, b_min) <= 0); /* + * Punt inverted ranges. + */ + if (ASN1_INTEGER_cmp(a_min, a_max) > 0 || + ASN1_INTEGER_cmp(b_min, b_max) > 0) + goto done; + + /* * Check for overlaps. */ if (ASN1_INTEGER_cmp(a_max, b_min) >= 0) { @@ -465,12 +495,26 @@ static int ASIdentifierChoice_canonize(ASIdentifierChoice *choice) break; } ASIdOrRange_free(b); - sk_ASIdOrRange_delete(choice->u.asIdsOrRanges, i + 1); + (void) sk_ASIdOrRange_delete(choice->u.asIdsOrRanges, i + 1); i--; continue; } } + /* + * Check for final inverted range. + */ + i = sk_ASIdOrRange_num(choice->u.asIdsOrRanges) - 1; + { + ASIdOrRange *a = sk_ASIdOrRange_value(choice->u.asIdsOrRanges, i); + ASN1_INTEGER *a_min, *a_max; + if (a != NULL && a->type == ASIdOrRange_range) { + extract_min_max(a, &a_min, &a_max); + if (ASN1_INTEGER_cmp(a_min, a_max) > 0) + goto done; + } + } + OPENSSL_assert(ASIdentifierChoice_is_canonical(choice)); /* Paranoia */ ret = 1; @@ -498,6 +542,7 @@ static void *v2i_ASIdentifiers(const struct v3_ext_method *method, struct v3_ext_ctx *ctx, STACK_OF(CONF_VALUE) *values) { + ASN1_INTEGER *min = NULL, *max = NULL; ASIdentifiers *asid = NULL; int i; @@ -508,7 +553,6 @@ static void *v2i_ASIdentifiers(const struct v3_ext_method *method, for (i = 0; i < sk_CONF_VALUE_num(values); i++) { CONF_VALUE *val = sk_CONF_VALUE_value(values, i); - ASN1_INTEGER *min = NULL, *max = NULL; int i1, i2, i3, is_range, which; /* @@ -578,18 +622,19 @@ static void *v2i_ASIdentifiers(const struct v3_ext_method *method, max = s2i_ASN1_INTEGER(NULL, s + i2); OPENSSL_free(s); if (min == NULL || max == NULL) { - ASN1_INTEGER_free(min); - ASN1_INTEGER_free(max); X509V3err(X509V3_F_V2I_ASIDENTIFIERS, ERR_R_MALLOC_FAILURE); goto err; } + if (ASN1_INTEGER_cmp(min, max) > 0) { + X509V3err(X509V3_F_V2I_ASIDENTIFIERS, X509V3_R_EXTENSION_VALUE_ERROR); + goto err; + } } if (!v3_asid_add_id_or_range(asid, which, min, max)) { - ASN1_INTEGER_free(min); - ASN1_INTEGER_free(max); X509V3err(X509V3_F_V2I_ASIDENTIFIERS, ERR_R_MALLOC_FAILURE); goto err; } + min = max = NULL; } /* @@ -601,6 +646,8 @@ static void *v2i_ASIdentifiers(const struct v3_ext_method *method, err: ASIdentifiers_free(asid); + ASN1_INTEGER_free(min); + ASN1_INTEGER_free(max); return NULL; } |