diff options
Diffstat (limited to 'openssl/crypto/x509v3/v3_asid.c')
| -rw-r--r-- | openssl/crypto/x509v3/v3_asid.c | 1202 |
1 files changed, 604 insertions, 598 deletions
diff --git a/openssl/crypto/x509v3/v3_asid.c b/openssl/crypto/x509v3/v3_asid.c index 1587e8ed7..2a32c9d0c 100644 --- a/openssl/crypto/x509v3/v3_asid.c +++ b/openssl/crypto/x509v3/v3_asid.c @@ -10,7 +10,7 @@ * are met: * * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. + * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in @@ -104,93 +104,92 @@ IMPLEMENT_ASN1_FUNCTIONS(ASIdentifiers) * i2r method for an ASIdentifierChoice. */ static int i2r_ASIdentifierChoice(BIO *out, - ASIdentifierChoice *choice, - int indent, - const char *msg) + ASIdentifierChoice *choice, + int indent, const char *msg) { - int i; - char *s; - if (choice == NULL) - return 1; - BIO_printf(out, "%*s%s:\n", indent, "", msg); - switch (choice->type) { - case ASIdentifierChoice_inherit: - BIO_printf(out, "%*sinherit\n", indent + 2, ""); - break; - case ASIdentifierChoice_asIdsOrRanges: - for (i = 0; i < sk_ASIdOrRange_num(choice->u.asIdsOrRanges); i++) { - ASIdOrRange *aor = sk_ASIdOrRange_value(choice->u.asIdsOrRanges, i); - switch (aor->type) { - case ASIdOrRange_id: - if ((s = i2s_ASN1_INTEGER(NULL, aor->u.id)) == NULL) - return 0; - BIO_printf(out, "%*s%s\n", indent + 2, "", s); - OPENSSL_free(s); - break; - case ASIdOrRange_range: - if ((s = i2s_ASN1_INTEGER(NULL, aor->u.range->min)) == NULL) - return 0; - BIO_printf(out, "%*s%s-", indent + 2, "", s); - OPENSSL_free(s); - if ((s = i2s_ASN1_INTEGER(NULL, aor->u.range->max)) == NULL) - return 0; - BIO_printf(out, "%s\n", s); - OPENSSL_free(s); - break; - default: - return 0; - } + int i; + char *s; + if (choice == NULL) + return 1; + BIO_printf(out, "%*s%s:\n", indent, "", msg); + switch (choice->type) { + case ASIdentifierChoice_inherit: + BIO_printf(out, "%*sinherit\n", indent + 2, ""); + break; + case ASIdentifierChoice_asIdsOrRanges: + for (i = 0; i < sk_ASIdOrRange_num(choice->u.asIdsOrRanges); i++) { + ASIdOrRange *aor = + sk_ASIdOrRange_value(choice->u.asIdsOrRanges, i); + switch (aor->type) { + case ASIdOrRange_id: + if ((s = i2s_ASN1_INTEGER(NULL, aor->u.id)) == NULL) + return 0; + BIO_printf(out, "%*s%s\n", indent + 2, "", s); + OPENSSL_free(s); + break; + case ASIdOrRange_range: + if ((s = i2s_ASN1_INTEGER(NULL, aor->u.range->min)) == NULL) + return 0; + BIO_printf(out, "%*s%s-", indent + 2, "", s); + OPENSSL_free(s); + if ((s = i2s_ASN1_INTEGER(NULL, aor->u.range->max)) == NULL) + return 0; + BIO_printf(out, "%s\n", s); + OPENSSL_free(s); + break; + default: + return 0; + } + } + break; + default: + return 0; } - break; - default: - return 0; - } - return 1; + return 1; } /* * i2r method for an ASIdentifier extension. */ static int i2r_ASIdentifiers(const X509V3_EXT_METHOD *method, - void *ext, - BIO *out, - int indent) + void *ext, BIO *out, int indent) { - ASIdentifiers *asid = ext; - return (i2r_ASIdentifierChoice(out, asid->asnum, indent, - "Autonomous System Numbers") && - i2r_ASIdentifierChoice(out, asid->rdi, indent, - "Routing Domain Identifiers")); + ASIdentifiers *asid = ext; + return (i2r_ASIdentifierChoice(out, asid->asnum, indent, + "Autonomous System Numbers") && + i2r_ASIdentifierChoice(out, asid->rdi, indent, + "Routing Domain Identifiers")); } /* * Sort comparision function for a sequence of ASIdOrRange elements. */ -static int ASIdOrRange_cmp(const ASIdOrRange * const *a_, - const ASIdOrRange * const *b_) +static int ASIdOrRange_cmp(const ASIdOrRange *const *a_, + const ASIdOrRange *const *b_) { - const ASIdOrRange *a = *a_, *b = *b_; + const ASIdOrRange *a = *a_, *b = *b_; - OPENSSL_assert((a->type == ASIdOrRange_id && a->u.id != NULL) || - (a->type == ASIdOrRange_range && a->u.range != NULL && - a->u.range->min != NULL && a->u.range->max != NULL)); + OPENSSL_assert((a->type == ASIdOrRange_id && a->u.id != NULL) || + (a->type == ASIdOrRange_range && a->u.range != NULL && + a->u.range->min != NULL && a->u.range->max != NULL)); - OPENSSL_assert((b->type == ASIdOrRange_id && b->u.id != NULL) || - (b->type == ASIdOrRange_range && b->u.range != NULL && - b->u.range->min != NULL && b->u.range->max != NULL)); + OPENSSL_assert((b->type == ASIdOrRange_id && b->u.id != NULL) || + (b->type == ASIdOrRange_range && b->u.range != NULL && + b->u.range->min != NULL && b->u.range->max != NULL)); - if (a->type == ASIdOrRange_id && b->type == ASIdOrRange_id) - return ASN1_INTEGER_cmp(a->u.id, b->u.id); + if (a->type == ASIdOrRange_id && b->type == ASIdOrRange_id) + return ASN1_INTEGER_cmp(a->u.id, b->u.id); - if (a->type == ASIdOrRange_range && b->type == ASIdOrRange_range) { - int r = ASN1_INTEGER_cmp(a->u.range->min, b->u.range->min); - return r != 0 ? r : ASN1_INTEGER_cmp(a->u.range->max, b->u.range->max); - } + if (a->type == ASIdOrRange_range && b->type == ASIdOrRange_range) { + int r = ASN1_INTEGER_cmp(a->u.range->min, b->u.range->min); + return r != 0 ? r : ASN1_INTEGER_cmp(a->u.range->max, + b->u.range->max); + } - if (a->type == ASIdOrRange_id) - return ASN1_INTEGER_cmp(a->u.id, b->u.range->min); - else - return ASN1_INTEGER_cmp(a->u.range->min, b->u.id); + if (a->type == ASIdOrRange_id) + return ASN1_INTEGER_cmp(a->u.id, b->u.range->min); + else + return ASN1_INTEGER_cmp(a->u.range->min, b->u.id); } /* @@ -198,104 +197,101 @@ static int ASIdOrRange_cmp(const ASIdOrRange * const *a_, */ int v3_asid_add_inherit(ASIdentifiers *asid, int which) { - ASIdentifierChoice **choice; - if (asid == NULL) - return 0; - switch (which) { - case V3_ASID_ASNUM: - choice = &asid->asnum; - break; - case V3_ASID_RDI: - choice = &asid->rdi; - break; - default: - return 0; - } - if (*choice == NULL) { - if ((*choice = ASIdentifierChoice_new()) == NULL) - return 0; - OPENSSL_assert((*choice)->u.inherit == NULL); - if (((*choice)->u.inherit = ASN1_NULL_new()) == NULL) - return 0; - (*choice)->type = ASIdentifierChoice_inherit; - } - return (*choice)->type == ASIdentifierChoice_inherit; + ASIdentifierChoice **choice; + if (asid == NULL) + return 0; + switch (which) { + case V3_ASID_ASNUM: + choice = &asid->asnum; + break; + case V3_ASID_RDI: + choice = &asid->rdi; + break; + default: + return 0; + } + if (*choice == NULL) { + if ((*choice = ASIdentifierChoice_new()) == NULL) + return 0; + OPENSSL_assert((*choice)->u.inherit == NULL); + if (((*choice)->u.inherit = ASN1_NULL_new()) == NULL) + return 0; + (*choice)->type = ASIdentifierChoice_inherit; + } + return (*choice)->type == ASIdentifierChoice_inherit; } /* * Add an ID or range to an ASIdentifierChoice. */ int v3_asid_add_id_or_range(ASIdentifiers *asid, - int which, - ASN1_INTEGER *min, - ASN1_INTEGER *max) + int which, ASN1_INTEGER *min, ASN1_INTEGER *max) { - ASIdentifierChoice **choice; - ASIdOrRange *aor; - if (asid == NULL) - return 0; - switch (which) { - case V3_ASID_ASNUM: - choice = &asid->asnum; - break; - case V3_ASID_RDI: - choice = &asid->rdi; - break; - default: - return 0; - } - if (*choice != NULL && (*choice)->type == ASIdentifierChoice_inherit) - return 0; - if (*choice == NULL) { - if ((*choice = ASIdentifierChoice_new()) == NULL) - return 0; - OPENSSL_assert((*choice)->u.asIdsOrRanges == NULL); - (*choice)->u.asIdsOrRanges = sk_ASIdOrRange_new(ASIdOrRange_cmp); - if ((*choice)->u.asIdsOrRanges == NULL) - return 0; - (*choice)->type = ASIdentifierChoice_asIdsOrRanges; - } - if ((aor = ASIdOrRange_new()) == NULL) - return 0; - if (max == NULL) { - aor->type = ASIdOrRange_id; - aor->u.id = min; - } else { - aor->type = ASIdOrRange_range; - if ((aor->u.range = ASRange_new()) == NULL) - goto err; - ASN1_INTEGER_free(aor->u.range->min); - aor->u.range->min = min; - ASN1_INTEGER_free(aor->u.range->max); - aor->u.range->max = max; - } - if (!(sk_ASIdOrRange_push((*choice)->u.asIdsOrRanges, aor))) - goto err; - return 1; + ASIdentifierChoice **choice; + ASIdOrRange *aor; + if (asid == NULL) + return 0; + switch (which) { + case V3_ASID_ASNUM: + choice = &asid->asnum; + break; + case V3_ASID_RDI: + choice = &asid->rdi; + break; + default: + return 0; + } + if (*choice != NULL && (*choice)->type == ASIdentifierChoice_inherit) + return 0; + if (*choice == NULL) { + if ((*choice = ASIdentifierChoice_new()) == NULL) + return 0; + OPENSSL_assert((*choice)->u.asIdsOrRanges == NULL); + (*choice)->u.asIdsOrRanges = sk_ASIdOrRange_new(ASIdOrRange_cmp); + if ((*choice)->u.asIdsOrRanges == NULL) + return 0; + (*choice)->type = ASIdentifierChoice_asIdsOrRanges; + } + if ((aor = ASIdOrRange_new()) == NULL) + return 0; + if (max == NULL) { + aor->type = ASIdOrRange_id; + aor->u.id = min; + } else { + aor->type = ASIdOrRange_range; + if ((aor->u.range = ASRange_new()) == NULL) + goto err; + ASN1_INTEGER_free(aor->u.range->min); + aor->u.range->min = min; + ASN1_INTEGER_free(aor->u.range->max); + aor->u.range->max = max; + } + if (!(sk_ASIdOrRange_push((*choice)->u.asIdsOrRanges, aor))) + goto err; + return 1; err: - ASIdOrRange_free(aor); - return 0; + ASIdOrRange_free(aor); + return 0; } /* * Extract min and max values from an ASIdOrRange. */ static void extract_min_max(ASIdOrRange *aor, - ASN1_INTEGER **min, - ASN1_INTEGER **max) + ASN1_INTEGER **min, ASN1_INTEGER **max) { - OPENSSL_assert(aor != NULL && min != NULL && max != NULL); - switch (aor->type) { - case ASIdOrRange_id: - *min = aor->u.id; - *max = aor->u.id; - return; - case ASIdOrRange_range: - *min = aor->u.range->min; - *max = aor->u.range->max; - return; - } + OPENSSL_assert(aor != NULL && min != NULL && max != NULL); + switch (aor->type) { + case ASIdOrRange_id: + *min = aor->u.id; + *max = aor->u.id; + return; + case ASIdOrRange_range: + *min = aor->u.range->min; + *max = aor->u.range->max; + return; + } } /* @@ -303,81 +299,82 @@ static void extract_min_max(ASIdOrRange *aor, */ static int ASIdentifierChoice_is_canonical(ASIdentifierChoice *choice) { - ASN1_INTEGER *a_max_plus_one = NULL; - BIGNUM *bn = NULL; - int i, ret = 0; - - /* - * Empty element or inheritance is canonical. - */ - if (choice == NULL || choice->type == ASIdentifierChoice_inherit) - return 1; - - /* - * If not a list, or if empty list, it's broken. - */ - if (choice->type != ASIdentifierChoice_asIdsOrRanges || - sk_ASIdOrRange_num(choice->u.asIdsOrRanges) == 0) - return 0; + ASN1_INTEGER *a_max_plus_one = NULL; + BIGNUM *bn = NULL; + int i, ret = 0; - /* - * It's a list, check it. - */ - for (i = 0; i < sk_ASIdOrRange_num(choice->u.asIdsOrRanges) - 1; i++) { - ASIdOrRange *a = sk_ASIdOrRange_value(choice->u.asIdsOrRanges, i); - ASIdOrRange *b = sk_ASIdOrRange_value(choice->u.asIdsOrRanges, i + 1); - ASN1_INTEGER *a_min, *a_max, *b_min, *b_max; - - extract_min_max(a, &a_min, &a_max); - extract_min_max(b, &b_min, &b_max); + /* + * Empty element or inheritance is canonical. + */ + if (choice == NULL || choice->type == ASIdentifierChoice_inherit) + return 1; /* - * Punt misordered list, overlapping start, or inverted range. + * If not a list, or if empty list, it's broken. */ - if (ASN1_INTEGER_cmp(a_min, b_min) >= 0 || - ASN1_INTEGER_cmp(a_min, a_max) > 0 || - ASN1_INTEGER_cmp(b_min, b_max) > 0) - goto done; + if (choice->type != ASIdentifierChoice_asIdsOrRanges || + sk_ASIdOrRange_num(choice->u.asIdsOrRanges) == 0) + return 0; /* - * Calculate a_max + 1 to check for adjacency. + * It's a list, check it. */ - if ((bn == NULL && (bn = BN_new()) == NULL) || - ASN1_INTEGER_to_BN(a_max, bn) == NULL || - !BN_add_word(bn, 1) || - (a_max_plus_one = BN_to_ASN1_INTEGER(bn, a_max_plus_one)) == NULL) { - X509V3err(X509V3_F_ASIDENTIFIERCHOICE_IS_CANONICAL, - ERR_R_MALLOC_FAILURE); - goto done; + for (i = 0; i < sk_ASIdOrRange_num(choice->u.asIdsOrRanges) - 1; i++) { + ASIdOrRange *a = sk_ASIdOrRange_value(choice->u.asIdsOrRanges, i); + ASIdOrRange *b = sk_ASIdOrRange_value(choice->u.asIdsOrRanges, i + 1); + ASN1_INTEGER *a_min, *a_max, *b_min, *b_max; + + extract_min_max(a, &a_min, &a_max); + extract_min_max(b, &b_min, &b_max); + + /* + * Punt misordered list, overlapping start, or inverted range. + */ + if (ASN1_INTEGER_cmp(a_min, b_min) >= 0 || + ASN1_INTEGER_cmp(a_min, a_max) > 0 || + ASN1_INTEGER_cmp(b_min, b_max) > 0) + goto done; + + /* + * Calculate a_max + 1 to check for adjacency. + */ + if ((bn == NULL && (bn = BN_new()) == NULL) || + ASN1_INTEGER_to_BN(a_max, bn) == NULL || + !BN_add_word(bn, 1) || + (a_max_plus_one = + BN_to_ASN1_INTEGER(bn, a_max_plus_one)) == NULL) { + X509V3err(X509V3_F_ASIDENTIFIERCHOICE_IS_CANONICAL, + ERR_R_MALLOC_FAILURE); + goto done; + } + + /* + * Punt if adjacent or overlapping. + */ + if (ASN1_INTEGER_cmp(a_max_plus_one, b_min) >= 0) + goto done; } - + /* - * Punt if adjacent or overlapping. + * Check for inverted range. */ - if (ASN1_INTEGER_cmp(a_max_plus_one, b_min) >= 0) - 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; + 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; + ret = 1; done: - ASN1_INTEGER_free(a_max_plus_one); - BN_free(bn); - return ret; + ASN1_INTEGER_free(a_max_plus_one); + BN_free(bn); + return ret; } /* @@ -385,9 +382,9 @@ static int ASIdentifierChoice_is_canonical(ASIdentifierChoice *choice) */ int v3_asid_is_canonical(ASIdentifiers *asid) { - return (asid == NULL || - (ASIdentifierChoice_is_canonical(asid->asnum) && - ASIdentifierChoice_is_canonical(asid->rdi))); + return (asid == NULL || + (ASIdentifierChoice_is_canonical(asid->asnum) && + ASIdentifierChoice_is_canonical(asid->rdi))); } /* @@ -395,134 +392,136 @@ int v3_asid_is_canonical(ASIdentifiers *asid) */ static int ASIdentifierChoice_canonize(ASIdentifierChoice *choice) { - ASN1_INTEGER *a_max_plus_one = NULL; - BIGNUM *bn = NULL; - int i, ret = 0; - - /* - * Nothing to do for empty element or inheritance. - */ - if (choice == NULL || choice->type == ASIdentifierChoice_inherit) - return 1; - - /* - * 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. - */ - sk_ASIdOrRange_sort(choice->u.asIdsOrRanges); - - /* - * Now check for errors and suboptimal encoding, rejecting the - * former and fixing the latter. - */ - for (i = 0; i < sk_ASIdOrRange_num(choice->u.asIdsOrRanges) - 1; i++) { - ASIdOrRange *a = sk_ASIdOrRange_value(choice->u.asIdsOrRanges, i); - ASIdOrRange *b = sk_ASIdOrRange_value(choice->u.asIdsOrRanges, i + 1); - ASN1_INTEGER *a_min, *a_max, *b_min, *b_max; - - extract_min_max(a, &a_min, &a_max); - extract_min_max(b, &b_min, &b_max); + ASN1_INTEGER *a_max_plus_one = NULL; + BIGNUM *bn = NULL; + int i, ret = 0; /* - * Make sure we're properly sorted (paranoia). + * Nothing to do for empty element or inheritance. */ - OPENSSL_assert(ASN1_INTEGER_cmp(a_min, b_min) <= 0); + if (choice == NULL || choice->type == ASIdentifierChoice_inherit) + return 1; /* - * Punt inverted ranges. + * If not a list, or if empty list, it's broken. */ - if (ASN1_INTEGER_cmp(a_min, a_max) > 0 || - ASN1_INTEGER_cmp(b_min, b_max) > 0) - goto done; + if (choice->type != ASIdentifierChoice_asIdsOrRanges || + sk_ASIdOrRange_num(choice->u.asIdsOrRanges) == 0) { + X509V3err(X509V3_F_ASIDENTIFIERCHOICE_CANONIZE, + X509V3_R_EXTENSION_VALUE_ERROR); + return 0; + } /* - * Check for overlaps. + * We have a non-empty list. Sort it. */ - if (ASN1_INTEGER_cmp(a_max, b_min) >= 0) { - X509V3err(X509V3_F_ASIDENTIFIERCHOICE_CANONIZE, - X509V3_R_EXTENSION_VALUE_ERROR); - goto done; - } + sk_ASIdOrRange_sort(choice->u.asIdsOrRanges); /* - * Calculate a_max + 1 to check for adjacency. + * Now check for errors and suboptimal encoding, rejecting the + * former and fixing the latter. */ - if ((bn == NULL && (bn = BN_new()) == NULL) || - ASN1_INTEGER_to_BN(a_max, bn) == NULL || - !BN_add_word(bn, 1) || - (a_max_plus_one = BN_to_ASN1_INTEGER(bn, a_max_plus_one)) == NULL) { - X509V3err(X509V3_F_ASIDENTIFIERCHOICE_CANONIZE, ERR_R_MALLOC_FAILURE); - goto done; + for (i = 0; i < sk_ASIdOrRange_num(choice->u.asIdsOrRanges) - 1; i++) { + ASIdOrRange *a = sk_ASIdOrRange_value(choice->u.asIdsOrRanges, i); + ASIdOrRange *b = sk_ASIdOrRange_value(choice->u.asIdsOrRanges, i + 1); + ASN1_INTEGER *a_min, *a_max, *b_min, *b_max; + + extract_min_max(a, &a_min, &a_max); + extract_min_max(b, &b_min, &b_max); + + /* + * Make sure we're properly sorted (paranoia). + */ + 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) { + X509V3err(X509V3_F_ASIDENTIFIERCHOICE_CANONIZE, + X509V3_R_EXTENSION_VALUE_ERROR); + goto done; + } + + /* + * Calculate a_max + 1 to check for adjacency. + */ + if ((bn == NULL && (bn = BN_new()) == NULL) || + ASN1_INTEGER_to_BN(a_max, bn) == NULL || + !BN_add_word(bn, 1) || + (a_max_plus_one = + BN_to_ASN1_INTEGER(bn, a_max_plus_one)) == NULL) { + X509V3err(X509V3_F_ASIDENTIFIERCHOICE_CANONIZE, + ERR_R_MALLOC_FAILURE); + goto done; + } + + /* + * If a and b are adjacent, merge them. + */ + if (ASN1_INTEGER_cmp(a_max_plus_one, b_min) == 0) { + ASRange *r; + switch (a->type) { + case ASIdOrRange_id: + if ((r = OPENSSL_malloc(sizeof(ASRange))) == NULL) { + X509V3err(X509V3_F_ASIDENTIFIERCHOICE_CANONIZE, + ERR_R_MALLOC_FAILURE); + goto done; + } + r->min = a_min; + r->max = b_max; + a->type = ASIdOrRange_range; + a->u.range = r; + break; + case ASIdOrRange_range: + ASN1_INTEGER_free(a->u.range->max); + a->u.range->max = b_max; + break; + } + switch (b->type) { + case ASIdOrRange_id: + b->u.id = NULL; + break; + case ASIdOrRange_range: + b->u.range->max = NULL; + break; + } + ASIdOrRange_free(b); + (void)sk_ASIdOrRange_delete(choice->u.asIdsOrRanges, i + 1); + i--; + continue; + } } - + /* - * If a and b are adjacent, merge them. + * Check for final inverted range. */ - if (ASN1_INTEGER_cmp(a_max_plus_one, b_min) == 0) { - ASRange *r; - switch (a->type) { - case ASIdOrRange_id: - if ((r = OPENSSL_malloc(sizeof(ASRange))) == NULL) { - X509V3err(X509V3_F_ASIDENTIFIERCHOICE_CANONIZE, - ERR_R_MALLOC_FAILURE); - goto done; - } - r->min = a_min; - r->max = b_max; - a->type = ASIdOrRange_range; - a->u.range = r; - break; - case ASIdOrRange_range: - ASN1_INTEGER_free(a->u.range->max); - a->u.range->max = b_max; - break; - } - switch (b->type) { - case ASIdOrRange_id: - b->u.id = NULL; - break; - case ASIdOrRange_range: - b->u.range->max = NULL; - break; - } - ASIdOrRange_free(b); - (void) sk_ASIdOrRange_delete(choice->u.asIdsOrRanges, i + 1); - i--; - continue; + 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; + } } - } - - /* - * 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 */ + OPENSSL_assert(ASIdentifierChoice_is_canonical(choice)); /* Paranoia */ - ret = 1; + ret = 1; done: - ASN1_INTEGER_free(a_max_plus_one); - BN_free(bn); - return ret; + ASN1_INTEGER_free(a_max_plus_one); + BN_free(bn); + return ret; } /* @@ -530,142 +529,147 @@ static int ASIdentifierChoice_canonize(ASIdentifierChoice *choice) */ int v3_asid_canonize(ASIdentifiers *asid) { - return (asid == NULL || - (ASIdentifierChoice_canonize(asid->asnum) && - ASIdentifierChoice_canonize(asid->rdi))); + return (asid == NULL || + (ASIdentifierChoice_canonize(asid->asnum) && + ASIdentifierChoice_canonize(asid->rdi))); } /* * v2i method for an ASIdentifier extension. */ static void *v2i_ASIdentifiers(const struct v3_ext_method *method, - struct v3_ext_ctx *ctx, - STACK_OF(CONF_VALUE) *values) + struct v3_ext_ctx *ctx, + STACK_OF(CONF_VALUE) *values) { - ASN1_INTEGER *min = NULL, *max = NULL; - ASIdentifiers *asid = NULL; - int i; - - if ((asid = ASIdentifiers_new()) == NULL) { - X509V3err(X509V3_F_V2I_ASIDENTIFIERS, ERR_R_MALLOC_FAILURE); - return NULL; - } - - for (i = 0; i < sk_CONF_VALUE_num(values); i++) { - CONF_VALUE *val = sk_CONF_VALUE_value(values, i); - int i1, i2, i3, is_range, which; - - /* - * Figure out whether this is an AS or an RDI. - */ - if ( !name_cmp(val->name, "AS")) { - which = V3_ASID_ASNUM; - } else if (!name_cmp(val->name, "RDI")) { - which = V3_ASID_RDI; - } else { - X509V3err(X509V3_F_V2I_ASIDENTIFIERS, X509V3_R_EXTENSION_NAME_ERROR); - X509V3_conf_err(val); - goto err; - } + ASN1_INTEGER *min = NULL, *max = NULL; + ASIdentifiers *asid = NULL; + int i; - /* - * Handle inheritance. - */ - if (!strcmp(val->value, "inherit")) { - if (v3_asid_add_inherit(asid, which)) - continue; - X509V3err(X509V3_F_V2I_ASIDENTIFIERS, X509V3_R_INVALID_INHERITANCE); - X509V3_conf_err(val); - goto err; + if ((asid = ASIdentifiers_new()) == NULL) { + X509V3err(X509V3_F_V2I_ASIDENTIFIERS, ERR_R_MALLOC_FAILURE); + return NULL; } - /* - * Number, range, or mistake, pick it apart and figure out which. - */ - i1 = strspn(val->value, "0123456789"); - if (val->value[i1] == '\0') { - is_range = 0; - } else { - is_range = 1; - i2 = i1 + strspn(val->value + i1, " \t"); - if (val->value[i2] != '-') { - X509V3err(X509V3_F_V2I_ASIDENTIFIERS, X509V3_R_INVALID_ASNUMBER); - X509V3_conf_err(val); - goto err; - } - i2++; - i2 = i2 + strspn(val->value + i2, " \t"); - i3 = i2 + strspn(val->value + i2, "0123456789"); - if (val->value[i3] != '\0') { - X509V3err(X509V3_F_V2I_ASIDENTIFIERS, X509V3_R_INVALID_ASRANGE); - X509V3_conf_err(val); - goto err; - } + for (i = 0; i < sk_CONF_VALUE_num(values); i++) { + CONF_VALUE *val = sk_CONF_VALUE_value(values, i); + int i1, i2, i3, is_range, which; + + /* + * Figure out whether this is an AS or an RDI. + */ + if (!name_cmp(val->name, "AS")) { + which = V3_ASID_ASNUM; + } else if (!name_cmp(val->name, "RDI")) { + which = V3_ASID_RDI; + } else { + X509V3err(X509V3_F_V2I_ASIDENTIFIERS, + X509V3_R_EXTENSION_NAME_ERROR); + X509V3_conf_err(val); + goto err; + } + + /* + * Handle inheritance. + */ + if (!strcmp(val->value, "inherit")) { + if (v3_asid_add_inherit(asid, which)) + continue; + X509V3err(X509V3_F_V2I_ASIDENTIFIERS, + X509V3_R_INVALID_INHERITANCE); + X509V3_conf_err(val); + goto err; + } + + /* + * Number, range, or mistake, pick it apart and figure out which. + */ + i1 = strspn(val->value, "0123456789"); + if (val->value[i1] == '\0') { + is_range = 0; + } else { + is_range = 1; + i2 = i1 + strspn(val->value + i1, " \t"); + if (val->value[i2] != '-') { + X509V3err(X509V3_F_V2I_ASIDENTIFIERS, + X509V3_R_INVALID_ASNUMBER); + X509V3_conf_err(val); + goto err; + } + i2++; + i2 = i2 + strspn(val->value + i2, " \t"); + i3 = i2 + strspn(val->value + i2, "0123456789"); + if (val->value[i3] != '\0') { + X509V3err(X509V3_F_V2I_ASIDENTIFIERS, + X509V3_R_INVALID_ASRANGE); + X509V3_conf_err(val); + goto err; + } + } + + /* + * Syntax is ok, read and add it. + */ + if (!is_range) { + if (!X509V3_get_value_int(val, &min)) { + X509V3err(X509V3_F_V2I_ASIDENTIFIERS, ERR_R_MALLOC_FAILURE); + goto err; + } + } else { + char *s = BUF_strdup(val->value); + if (s == NULL) { + X509V3err(X509V3_F_V2I_ASIDENTIFIERS, ERR_R_MALLOC_FAILURE); + goto err; + } + s[i1] = '\0'; + min = s2i_ASN1_INTEGER(NULL, s); + max = s2i_ASN1_INTEGER(NULL, s + i2); + OPENSSL_free(s); + if (min == NULL || max == NULL) { + 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)) { + X509V3err(X509V3_F_V2I_ASIDENTIFIERS, ERR_R_MALLOC_FAILURE); + goto err; + } + min = max = NULL; } /* - * Syntax is ok, read and add it. + * Canonize the result, then we're done. */ - if (!is_range) { - if (!X509V3_get_value_int(val, &min)) { - X509V3err(X509V3_F_V2I_ASIDENTIFIERS, ERR_R_MALLOC_FAILURE); - goto err; - } - } else { - char *s = BUF_strdup(val->value); - if (s == NULL) { - X509V3err(X509V3_F_V2I_ASIDENTIFIERS, ERR_R_MALLOC_FAILURE); - goto err; - } - s[i1] = '\0'; - min = s2i_ASN1_INTEGER(NULL, s); - max = s2i_ASN1_INTEGER(NULL, s + i2); - OPENSSL_free(s); - if (min == NULL || max == NULL) { - 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)) { - X509V3err(X509V3_F_V2I_ASIDENTIFIERS, ERR_R_MALLOC_FAILURE); - goto err; - } - min = max = NULL; - } - - /* - * Canonize the result, then we're done. - */ - if (!v3_asid_canonize(asid)) - goto err; - return asid; + if (!v3_asid_canonize(asid)) + goto err; + return asid; err: - ASIdentifiers_free(asid); - ASN1_INTEGER_free(min); - ASN1_INTEGER_free(max); - return NULL; + ASIdentifiers_free(asid); + ASN1_INTEGER_free(min); + ASN1_INTEGER_free(max); + return NULL; } /* * OpenSSL dispatch. */ const X509V3_EXT_METHOD v3_asid = { - NID_sbgp_autonomousSysNum, /* nid */ - 0, /* flags */ - ASN1_ITEM_ref(ASIdentifiers), /* template */ - 0, 0, 0, 0, /* old functions, ignored */ - 0, /* i2s */ - 0, /* s2i */ - 0, /* i2v */ - v2i_ASIdentifiers, /* v2i */ - i2r_ASIdentifiers, /* i2r */ - 0, /* r2i */ - NULL /* extension-specific data */ + NID_sbgp_autonomousSysNum, /* nid */ + 0, /* flags */ + ASN1_ITEM_ref(ASIdentifiers), /* template */ + 0, 0, 0, 0, /* old functions, ignored */ + 0, /* i2s */ + 0, /* s2i */ + 0, /* i2v */ + v2i_ASIdentifiers, /* v2i */ + i2r_ASIdentifiers, /* i2r */ + 0, /* r2i */ + NULL /* extension-specific data */ }; /* @@ -673,11 +677,11 @@ const X509V3_EXT_METHOD v3_asid = { */ int v3_asid_inherits(ASIdentifiers *asid) { - return (asid != NULL && - ((asid->asnum != NULL && - asid->asnum->type == ASIdentifierChoice_inherit) || - (asid->rdi != NULL && - asid->rdi->type == ASIdentifierChoice_inherit))); + return (asid != NULL && + ((asid->asnum != NULL && + asid->asnum->type == ASIdentifierChoice_inherit) || + (asid->rdi != NULL && + asid->rdi->type == ASIdentifierChoice_inherit))); } /* @@ -685,30 +689,30 @@ int v3_asid_inherits(ASIdentifiers *asid) */ static int asid_contains(ASIdOrRanges *parent, ASIdOrRanges *child) { - ASN1_INTEGER *p_min, *p_max, *c_min, *c_max; - int p, c; - - if (child == NULL || parent == child) - return 1; - if (parent == NULL) - return 0; - - p = 0; - for (c = 0; c < sk_ASIdOrRange_num(child); c++) { - extract_min_max(sk_ASIdOrRange_value(child, c), &c_min, &c_max); - for (;; p++) { - if (p >= sk_ASIdOrRange_num(parent)) - return 0; - extract_min_max(sk_ASIdOrRange_value(parent, p), &p_min, &p_max); - if (ASN1_INTEGER_cmp(p_max, c_max) < 0) - continue; - if (ASN1_INTEGER_cmp(p_min, c_min) > 0) - return 0; - break; + ASN1_INTEGER *p_min, *p_max, *c_min, *c_max; + int p, c; + + if (child == NULL || parent == child) + return 1; + if (parent == NULL) + return 0; + + p = 0; + for (c = 0; c < sk_ASIdOrRange_num(child); c++) { + extract_min_max(sk_ASIdOrRange_value(child, c), &c_min, &c_max); + for (;; p++) { + if (p >= sk_ASIdOrRange_num(parent)) + return 0; + extract_min_max(sk_ASIdOrRange_value(parent, p), &p_min, &p_max); + if (ASN1_INTEGER_cmp(p_max, c_max) < 0) + continue; + if (ASN1_INTEGER_cmp(p_min, c_min) > 0) + return 0; + break; + } } - } - return 1; + return 1; } /* @@ -716,158 +720,161 @@ static int asid_contains(ASIdOrRanges *parent, ASIdOrRanges *child) */ int v3_asid_subset(ASIdentifiers *a, ASIdentifiers *b) { - return (a == NULL || - a == b || - (b != NULL && - !v3_asid_inherits(a) && - !v3_asid_inherits(b) && - asid_contains(b->asnum->u.asIdsOrRanges, - a->asnum->u.asIdsOrRanges) && - asid_contains(b->rdi->u.asIdsOrRanges, - a->rdi->u.asIdsOrRanges))); + return (a == NULL || + a == b || + (b != NULL && + !v3_asid_inherits(a) && + !v3_asid_inherits(b) && + asid_contains(b->asnum->u.asIdsOrRanges, + a->asnum->u.asIdsOrRanges) && + asid_contains(b->rdi->u.asIdsOrRanges, + a->rdi->u.asIdsOrRanges))); } /* * Validation error handling via callback. */ -#define validation_err(_err_) \ - do { \ - if (ctx != NULL) { \ - ctx->error = _err_; \ - ctx->error_depth = i; \ - ctx->current_cert = x; \ - ret = ctx->verify_cb(0, ctx); \ - } else { \ - ret = 0; \ - } \ - if (!ret) \ - goto done; \ +# define validation_err(_err_) \ + do { \ + if (ctx != NULL) { \ + ctx->error = _err_; \ + ctx->error_depth = i; \ + ctx->current_cert = x; \ + ret = ctx->verify_cb(0, ctx); \ + } else { \ + ret = 0; \ + } \ + if (!ret) \ + goto done; \ } while (0) /* * Core code for RFC 3779 3.3 path validation. */ static int v3_asid_validate_path_internal(X509_STORE_CTX *ctx, - STACK_OF(X509) *chain, - ASIdentifiers *ext) + STACK_OF(X509) *chain, + ASIdentifiers *ext) { - ASIdOrRanges *child_as = NULL, *child_rdi = NULL; - int i, ret = 1, inherit_as = 0, inherit_rdi = 0; - X509 *x; - - OPENSSL_assert(chain != NULL && sk_X509_num(chain) > 0); - OPENSSL_assert(ctx != NULL || ext != NULL); - OPENSSL_assert(ctx == NULL || ctx->verify_cb != NULL); - - /* - * Figure out where to start. If we don't have an extension to - * check, we're done. Otherwise, check canonical form and - * set up for walking up the chain. - */ - if (ext != NULL) { - i = -1; - x = NULL; - } else { - i = 0; - x = sk_X509_value(chain, i); - OPENSSL_assert(x != NULL); - if ((ext = x->rfc3779_asid) == NULL) - goto done; - } - if (!v3_asid_is_canonical(ext)) - validation_err(X509_V_ERR_INVALID_EXTENSION); - if (ext->asnum != NULL) { - switch (ext->asnum->type) { - case ASIdentifierChoice_inherit: - inherit_as = 1; - break; - case ASIdentifierChoice_asIdsOrRanges: - child_as = ext->asnum->u.asIdsOrRanges; - break; - } - } - if (ext->rdi != NULL) { - switch (ext->rdi->type) { - case ASIdentifierChoice_inherit: - inherit_rdi = 1; - break; - case ASIdentifierChoice_asIdsOrRanges: - child_rdi = ext->rdi->u.asIdsOrRanges; - break; - } - } - - /* - * Now walk up the chain. Extensions must be in canonical form, no - * cert may list resources that its parent doesn't list. - */ - for (i++; i < sk_X509_num(chain); i++) { - x = sk_X509_value(chain, i); - OPENSSL_assert(x != NULL); - if (x->rfc3779_asid == NULL) { - if (child_as != NULL || child_rdi != NULL) - validation_err(X509_V_ERR_UNNESTED_RESOURCE); - continue; + ASIdOrRanges *child_as = NULL, *child_rdi = NULL; + int i, ret = 1, inherit_as = 0, inherit_rdi = 0; + X509 *x; + + OPENSSL_assert(chain != NULL && sk_X509_num(chain) > 0); + OPENSSL_assert(ctx != NULL || ext != NULL); + OPENSSL_assert(ctx == NULL || ctx->verify_cb != NULL); + + /* + * Figure out where to start. If we don't have an extension to + * check, we're done. Otherwise, check canonical form and + * set up for walking up the chain. + */ + if (ext != NULL) { + i = -1; + x = NULL; + } else { + i = 0; + x = sk_X509_value(chain, i); + OPENSSL_assert(x != NULL); + if ((ext = x->rfc3779_asid) == NULL) + goto done; } - if (!v3_asid_is_canonical(x->rfc3779_asid)) - validation_err(X509_V_ERR_INVALID_EXTENSION); - if (x->rfc3779_asid->asnum == NULL && child_as != NULL) { - validation_err(X509_V_ERR_UNNESTED_RESOURCE); - child_as = NULL; - inherit_as = 0; + if (!v3_asid_is_canonical(ext)) + validation_err(X509_V_ERR_INVALID_EXTENSION); + if (ext->asnum != NULL) { + switch (ext->asnum->type) { + case ASIdentifierChoice_inherit: + inherit_as = 1; + break; + case ASIdentifierChoice_asIdsOrRanges: + child_as = ext->asnum->u.asIdsOrRanges; + break; + } } - if (x->rfc3779_asid->asnum != NULL && - x->rfc3779_asid->asnum->type == ASIdentifierChoice_asIdsOrRanges) { - if (inherit_as || - asid_contains(x->rfc3779_asid->asnum->u.asIdsOrRanges, child_as)) { - child_as = x->rfc3779_asid->asnum->u.asIdsOrRanges; - inherit_as = 0; - } else { - validation_err(X509_V_ERR_UNNESTED_RESOURCE); - } + if (ext->rdi != NULL) { + switch (ext->rdi->type) { + case ASIdentifierChoice_inherit: + inherit_rdi = 1; + break; + case ASIdentifierChoice_asIdsOrRanges: + child_rdi = ext->rdi->u.asIdsOrRanges; + break; + } } - if (x->rfc3779_asid->rdi == NULL && child_rdi != NULL) { - validation_err(X509_V_ERR_UNNESTED_RESOURCE); - child_rdi = NULL; - inherit_rdi = 0; + + /* + * Now walk up the chain. Extensions must be in canonical form, no + * cert may list resources that its parent doesn't list. + */ + for (i++; i < sk_X509_num(chain); i++) { + x = sk_X509_value(chain, i); + OPENSSL_assert(x != NULL); + if (x->rfc3779_asid == NULL) { + if (child_as != NULL || child_rdi != NULL) + validation_err(X509_V_ERR_UNNESTED_RESOURCE); + continue; + } + if (!v3_asid_is_canonical(x->rfc3779_asid)) + validation_err(X509_V_ERR_INVALID_EXTENSION); + if (x->rfc3779_asid->asnum == NULL && child_as != NULL) { + validation_err(X509_V_ERR_UNNESTED_RESOURCE); + child_as = NULL; + inherit_as = 0; + } + if (x->rfc3779_asid->asnum != NULL && + x->rfc3779_asid->asnum->type == + ASIdentifierChoice_asIdsOrRanges) { + if (inherit_as + || asid_contains(x->rfc3779_asid->asnum->u.asIdsOrRanges, + child_as)) { + child_as = x->rfc3779_asid->asnum->u.asIdsOrRanges; + inherit_as = 0; + } else { + validation_err(X509_V_ERR_UNNESTED_RESOURCE); + } + } + if (x->rfc3779_asid->rdi == NULL && child_rdi != NULL) { + validation_err(X509_V_ERR_UNNESTED_RESOURCE); + child_rdi = NULL; + inherit_rdi = 0; + } + if (x->rfc3779_asid->rdi != NULL && + x->rfc3779_asid->rdi->type == ASIdentifierChoice_asIdsOrRanges) { + if (inherit_rdi || + asid_contains(x->rfc3779_asid->rdi->u.asIdsOrRanges, + child_rdi)) { + child_rdi = x->rfc3779_asid->rdi->u.asIdsOrRanges; + inherit_rdi = 0; + } else { + validation_err(X509_V_ERR_UNNESTED_RESOURCE); + } + } } - if (x->rfc3779_asid->rdi != NULL && - x->rfc3779_asid->rdi->type == ASIdentifierChoice_asIdsOrRanges) { - if (inherit_rdi || - asid_contains(x->rfc3779_asid->rdi->u.asIdsOrRanges, child_rdi)) { - child_rdi = x->rfc3779_asid->rdi->u.asIdsOrRanges; - inherit_rdi = 0; - } else { - validation_err(X509_V_ERR_UNNESTED_RESOURCE); - } + + /* + * Trust anchor can't inherit. + */ + OPENSSL_assert(x != NULL); + if (x->rfc3779_asid != NULL) { + if (x->rfc3779_asid->asnum != NULL && + x->rfc3779_asid->asnum->type == ASIdentifierChoice_inherit) + validation_err(X509_V_ERR_UNNESTED_RESOURCE); + if (x->rfc3779_asid->rdi != NULL && + x->rfc3779_asid->rdi->type == ASIdentifierChoice_inherit) + validation_err(X509_V_ERR_UNNESTED_RESOURCE); } - } - - /* - * Trust anchor can't inherit. - */ - OPENSSL_assert(x != NULL); - if (x->rfc3779_asid != NULL) { - if (x->rfc3779_asid->asnum != NULL && - x->rfc3779_asid->asnum->type == ASIdentifierChoice_inherit) - validation_err(X509_V_ERR_UNNESTED_RESOURCE); - if (x->rfc3779_asid->rdi != NULL && - x->rfc3779_asid->rdi->type == ASIdentifierChoice_inherit) - validation_err(X509_V_ERR_UNNESTED_RESOURCE); - } done: - return ret; + return ret; } -#undef validation_err +# undef validation_err /* * RFC 3779 3.3 path validation -- called from X509_verify_cert(). */ int v3_asid_validate_path(X509_STORE_CTX *ctx) { - return v3_asid_validate_path_internal(ctx, ctx->chain, NULL); + return v3_asid_validate_path_internal(ctx, ctx->chain, NULL); } /* @@ -875,16 +882,15 @@ int v3_asid_validate_path(X509_STORE_CTX *ctx) * Test whether chain covers extension. */ int v3_asid_validate_resource_set(STACK_OF(X509) *chain, - ASIdentifiers *ext, - int allow_inheritance) + ASIdentifiers *ext, int allow_inheritance) { - if (ext == NULL) - return 1; - if (chain == NULL || sk_X509_num(chain) == 0) - return 0; - if (!allow_inheritance && v3_asid_inherits(ext)) - return 0; - return v3_asid_validate_path_internal(NULL, chain, ext); + if (ext == NULL) + return 1; + if (chain == NULL || sk_X509_num(chain) == 0) + return 0; + if (!allow_inheritance && v3_asid_inherits(ext)) + return 0; + return v3_asid_validate_path_internal(NULL, chain, ext); } -#endif /* OPENSSL_NO_RFC3779 */ +#endif /* OPENSSL_NO_RFC3779 */ |