diff options
Diffstat (limited to 'openssl/crypto/x509v3/v3_addr.c')
| -rw-r--r-- | openssl/crypto/x509v3/v3_addr.c | 1862 |
1 files changed, 934 insertions, 928 deletions
diff --git a/openssl/crypto/x509v3/v3_addr.c b/openssl/crypto/x509v3/v3_addr.c index df46a4983..94cfed050 100644 --- a/openssl/crypto/x509v3/v3_addr.c +++ b/openssl/crypto/x509v3/v3_addr.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 @@ -95,9 +95,9 @@ ASN1_SEQUENCE(IPAddressFamily) = { ASN1_SIMPLE(IPAddressFamily, ipAddressChoice, IPAddressChoice) } ASN1_SEQUENCE_END(IPAddressFamily) -ASN1_ITEM_TEMPLATE(IPAddrBlocks) = +ASN1_ITEM_TEMPLATE(IPAddrBlocks) = ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, - IPAddrBlocks, IPAddressFamily) + IPAddrBlocks, IPAddressFamily) ASN1_ITEM_TEMPLATE_END(IPAddrBlocks) IMPLEMENT_ASN1_FUNCTIONS(IPAddressRange) @@ -108,21 +108,21 @@ IMPLEMENT_ASN1_FUNCTIONS(IPAddressFamily) /* * How much buffer space do we need for a raw address? */ -#define ADDR_RAW_BUF_LEN 16 +# define ADDR_RAW_BUF_LEN 16 /* * What's the address length associated with this AFI? */ static int length_from_afi(const unsigned afi) { - switch (afi) { - case IANA_AFI_IPV4: - return 4; - case IANA_AFI_IPV6: - return 16; - default: - return 0; - } + switch (afi) { + case IANA_AFI_IPV4: + return 4; + case IANA_AFI_IPV6: + return 16; + default: + return 0; + } } /* @@ -130,12 +130,10 @@ static int length_from_afi(const unsigned afi) */ unsigned int v3_addr_get_afi(const IPAddressFamily *f) { - return ((f != NULL && - f->addressFamily != NULL && - f->addressFamily->data != NULL) - ? ((f->addressFamily->data[0] << 8) | - (f->addressFamily->data[1])) - : 0); + return ((f != NULL && + f->addressFamily != NULL && f->addressFamily->data != NULL) + ? ((f->addressFamily->data[0] << 8) | (f->addressFamily->data[1])) + : 0); } /* @@ -143,173 +141,170 @@ unsigned int v3_addr_get_afi(const IPAddressFamily *f) * At the moment this is coded for simplicity, not speed. */ static int addr_expand(unsigned char *addr, - const ASN1_BIT_STRING *bs, - const int length, - const unsigned char fill) + const ASN1_BIT_STRING *bs, + const int length, const unsigned char fill) { - if (bs->length < 0 || bs->length > length) - return 0; - if (bs->length > 0) { - memcpy(addr, bs->data, bs->length); - if ((bs->flags & 7) != 0) { - unsigned char mask = 0xFF >> (8 - (bs->flags & 7)); - if (fill == 0) - addr[bs->length - 1] &= ~mask; - else - addr[bs->length - 1] |= mask; + if (bs->length < 0 || bs->length > length) + return 0; + if (bs->length > 0) { + memcpy(addr, bs->data, bs->length); + if ((bs->flags & 7) != 0) { + unsigned char mask = 0xFF >> (8 - (bs->flags & 7)); + if (fill == 0) + addr[bs->length - 1] &= ~mask; + else + addr[bs->length - 1] |= mask; + } } - } - memset(addr + bs->length, fill, length - bs->length); - return 1; + memset(addr + bs->length, fill, length - bs->length); + return 1; } /* * Extract the prefix length from a bitstring. */ -#define addr_prefixlen(bs) ((int) ((bs)->length * 8 - ((bs)->flags & 7))) +# define addr_prefixlen(bs) ((int) ((bs)->length * 8 - ((bs)->flags & 7))) /* * i2r handler for one address bitstring. */ static int i2r_address(BIO *out, - const unsigned afi, - const unsigned char fill, - const ASN1_BIT_STRING *bs) + const unsigned afi, + const unsigned char fill, const ASN1_BIT_STRING *bs) { - unsigned char addr[ADDR_RAW_BUF_LEN]; - int i, n; + unsigned char addr[ADDR_RAW_BUF_LEN]; + int i, n; - if (bs->length < 0) - return 0; - switch (afi) { - case IANA_AFI_IPV4: - if (!addr_expand(addr, bs, 4, fill)) - return 0; - BIO_printf(out, "%d.%d.%d.%d", addr[0], addr[1], addr[2], addr[3]); - break; - case IANA_AFI_IPV6: - if (!addr_expand(addr, bs, 16, fill)) - return 0; - for (n = 16; n > 1 && addr[n-1] == 0x00 && addr[n-2] == 0x00; n -= 2) - ; - for (i = 0; i < n; i += 2) - BIO_printf(out, "%x%s", (addr[i] << 8) | addr[i+1], (i < 14 ? ":" : "")); - if (i < 16) - BIO_puts(out, ":"); - if (i == 0) - BIO_puts(out, ":"); - break; - default: - for (i = 0; i < bs->length; i++) - BIO_printf(out, "%s%02x", (i > 0 ? ":" : ""), bs->data[i]); - BIO_printf(out, "[%d]", (int) (bs->flags & 7)); - break; - } - return 1; + if (bs->length < 0) + return 0; + switch (afi) { + case IANA_AFI_IPV4: + if (!addr_expand(addr, bs, 4, fill)) + return 0; + BIO_printf(out, "%d.%d.%d.%d", addr[0], addr[1], addr[2], addr[3]); + break; + case IANA_AFI_IPV6: + if (!addr_expand(addr, bs, 16, fill)) + return 0; + for (n = 16; n > 1 && addr[n - 1] == 0x00 && addr[n - 2] == 0x00; + n -= 2) ; + for (i = 0; i < n; i += 2) + BIO_printf(out, "%x%s", (addr[i] << 8) | addr[i + 1], + (i < 14 ? ":" : "")); + if (i < 16) + BIO_puts(out, ":"); + if (i == 0) + BIO_puts(out, ":"); + break; + default: + for (i = 0; i < bs->length; i++) + BIO_printf(out, "%s%02x", (i > 0 ? ":" : ""), bs->data[i]); + BIO_printf(out, "[%d]", (int)(bs->flags & 7)); + break; + } + return 1; } /* * i2r handler for a sequence of addresses and ranges. */ static int i2r_IPAddressOrRanges(BIO *out, - const int indent, - const IPAddressOrRanges *aors, - const unsigned afi) + const int indent, + const IPAddressOrRanges *aors, + const unsigned afi) { - int i; - for (i = 0; i < sk_IPAddressOrRange_num(aors); i++) { - const IPAddressOrRange *aor = sk_IPAddressOrRange_value(aors, i); - BIO_printf(out, "%*s", indent, ""); - switch (aor->type) { - case IPAddressOrRange_addressPrefix: - if (!i2r_address(out, afi, 0x00, aor->u.addressPrefix)) - return 0; - BIO_printf(out, "/%d\n", addr_prefixlen(aor->u.addressPrefix)); - continue; - case IPAddressOrRange_addressRange: - if (!i2r_address(out, afi, 0x00, aor->u.addressRange->min)) - return 0; - BIO_puts(out, "-"); - if (!i2r_address(out, afi, 0xFF, aor->u.addressRange->max)) - return 0; - BIO_puts(out, "\n"); - continue; + int i; + for (i = 0; i < sk_IPAddressOrRange_num(aors); i++) { + const IPAddressOrRange *aor = sk_IPAddressOrRange_value(aors, i); + BIO_printf(out, "%*s", indent, ""); + switch (aor->type) { + case IPAddressOrRange_addressPrefix: + if (!i2r_address(out, afi, 0x00, aor->u.addressPrefix)) + return 0; + BIO_printf(out, "/%d\n", addr_prefixlen(aor->u.addressPrefix)); + continue; + case IPAddressOrRange_addressRange: + if (!i2r_address(out, afi, 0x00, aor->u.addressRange->min)) + return 0; + BIO_puts(out, "-"); + if (!i2r_address(out, afi, 0xFF, aor->u.addressRange->max)) + return 0; + BIO_puts(out, "\n"); + continue; + } } - } - return 1; + return 1; } /* * i2r handler for an IPAddrBlocks extension. */ static int i2r_IPAddrBlocks(const X509V3_EXT_METHOD *method, - void *ext, - BIO *out, - int indent) + void *ext, BIO *out, int indent) { - const IPAddrBlocks *addr = ext; - int i; - for (i = 0; i < sk_IPAddressFamily_num(addr); i++) { - IPAddressFamily *f = sk_IPAddressFamily_value(addr, i); - const unsigned int afi = v3_addr_get_afi(f); - switch (afi) { - case IANA_AFI_IPV4: - BIO_printf(out, "%*sIPv4", indent, ""); - break; - case IANA_AFI_IPV6: - BIO_printf(out, "%*sIPv6", indent, ""); - break; - default: - BIO_printf(out, "%*sUnknown AFI %u", indent, "", afi); - break; + const IPAddrBlocks *addr = ext; + int i; + for (i = 0; i < sk_IPAddressFamily_num(addr); i++) { + IPAddressFamily *f = sk_IPAddressFamily_value(addr, i); + const unsigned int afi = v3_addr_get_afi(f); + switch (afi) { + case IANA_AFI_IPV4: + BIO_printf(out, "%*sIPv4", indent, ""); + break; + case IANA_AFI_IPV6: + BIO_printf(out, "%*sIPv6", indent, ""); + break; + default: + BIO_printf(out, "%*sUnknown AFI %u", indent, "", afi); + break; + } + if (f->addressFamily->length > 2) { + switch (f->addressFamily->data[2]) { + case 1: + BIO_puts(out, " (Unicast)"); + break; + case 2: + BIO_puts(out, " (Multicast)"); + break; + case 3: + BIO_puts(out, " (Unicast/Multicast)"); + break; + case 4: + BIO_puts(out, " (MPLS)"); + break; + case 64: + BIO_puts(out, " (Tunnel)"); + break; + case 65: + BIO_puts(out, " (VPLS)"); + break; + case 66: + BIO_puts(out, " (BGP MDT)"); + break; + case 128: + BIO_puts(out, " (MPLS-labeled VPN)"); + break; + default: + BIO_printf(out, " (Unknown SAFI %u)", + (unsigned)f->addressFamily->data[2]); + break; + } + } + switch (f->ipAddressChoice->type) { + case IPAddressChoice_inherit: + BIO_puts(out, ": inherit\n"); + break; + case IPAddressChoice_addressesOrRanges: + BIO_puts(out, ":\n"); + if (!i2r_IPAddressOrRanges(out, + indent + 2, + f->ipAddressChoice-> + u.addressesOrRanges, afi)) + return 0; + break; + } } - if (f->addressFamily->length > 2) { - switch (f->addressFamily->data[2]) { - case 1: - BIO_puts(out, " (Unicast)"); - break; - case 2: - BIO_puts(out, " (Multicast)"); - break; - case 3: - BIO_puts(out, " (Unicast/Multicast)"); - break; - case 4: - BIO_puts(out, " (MPLS)"); - break; - case 64: - BIO_puts(out, " (Tunnel)"); - break; - case 65: - BIO_puts(out, " (VPLS)"); - break; - case 66: - BIO_puts(out, " (BGP MDT)"); - break; - case 128: - BIO_puts(out, " (MPLS-labeled VPN)"); - break; - default: - BIO_printf(out, " (Unknown SAFI %u)", - (unsigned) f->addressFamily->data[2]); - break; - } - } - switch (f->ipAddressChoice->type) { - case IPAddressChoice_inherit: - BIO_puts(out, ": inherit\n"); - break; - case IPAddressChoice_addressesOrRanges: - BIO_puts(out, ":\n"); - if (!i2r_IPAddressOrRanges(out, - indent + 2, - f->ipAddressChoice->u.addressesOrRanges, - afi)) - return 0; - break; - } - } - return 1; + return 1; } /* @@ -323,63 +318,62 @@ static int i2r_IPAddrBlocks(const X509V3_EXT_METHOD *method, * for garbage input, tough noogies. */ static int IPAddressOrRange_cmp(const IPAddressOrRange *a, - const IPAddressOrRange *b, - const int length) + const IPAddressOrRange *b, const int length) { - unsigned char addr_a[ADDR_RAW_BUF_LEN], addr_b[ADDR_RAW_BUF_LEN]; - int prefixlen_a = 0, prefixlen_b = 0; - int r; - - switch (a->type) { - case IPAddressOrRange_addressPrefix: - if (!addr_expand(addr_a, a->u.addressPrefix, length, 0x00)) - return -1; - prefixlen_a = addr_prefixlen(a->u.addressPrefix); - break; - case IPAddressOrRange_addressRange: - if (!addr_expand(addr_a, a->u.addressRange->min, length, 0x00)) - return -1; - prefixlen_a = length * 8; - break; - } - - switch (b->type) { - case IPAddressOrRange_addressPrefix: - if (!addr_expand(addr_b, b->u.addressPrefix, length, 0x00)) - return -1; - prefixlen_b = addr_prefixlen(b->u.addressPrefix); - break; - case IPAddressOrRange_addressRange: - if (!addr_expand(addr_b, b->u.addressRange->min, length, 0x00)) - return -1; - prefixlen_b = length * 8; - break; - } - - if ((r = memcmp(addr_a, addr_b, length)) != 0) - return r; - else - return prefixlen_a - prefixlen_b; + unsigned char addr_a[ADDR_RAW_BUF_LEN], addr_b[ADDR_RAW_BUF_LEN]; + int prefixlen_a = 0, prefixlen_b = 0; + int r; + + switch (a->type) { + case IPAddressOrRange_addressPrefix: + if (!addr_expand(addr_a, a->u.addressPrefix, length, 0x00)) + return -1; + prefixlen_a = addr_prefixlen(a->u.addressPrefix); + break; + case IPAddressOrRange_addressRange: + if (!addr_expand(addr_a, a->u.addressRange->min, length, 0x00)) + return -1; + prefixlen_a = length * 8; + break; + } + + switch (b->type) { + case IPAddressOrRange_addressPrefix: + if (!addr_expand(addr_b, b->u.addressPrefix, length, 0x00)) + return -1; + prefixlen_b = addr_prefixlen(b->u.addressPrefix); + break; + case IPAddressOrRange_addressRange: + if (!addr_expand(addr_b, b->u.addressRange->min, length, 0x00)) + return -1; + prefixlen_b = length * 8; + break; + } + + if ((r = memcmp(addr_a, addr_b, length)) != 0) + return r; + else + return prefixlen_a - prefixlen_b; } /* * IPv4-specific closure over IPAddressOrRange_cmp, since sk_sort() * comparision routines are only allowed two arguments. */ -static int v4IPAddressOrRange_cmp(const IPAddressOrRange * const *a, - const IPAddressOrRange * const *b) +static int v4IPAddressOrRange_cmp(const IPAddressOrRange *const *a, + const IPAddressOrRange *const *b) { - return IPAddressOrRange_cmp(*a, *b, 4); + return IPAddressOrRange_cmp(*a, *b, 4); } /* * IPv6-specific closure over IPAddressOrRange_cmp, since sk_sort() * comparision routines are only allowed two arguments. */ -static int v6IPAddressOrRange_cmp(const IPAddressOrRange * const *a, - const IPAddressOrRange * const *b) +static int v6IPAddressOrRange_cmp(const IPAddressOrRange *const *a, + const IPAddressOrRange *const *b) { - return IPAddressOrRange_cmp(*a, *b, 16); + return IPAddressOrRange_cmp(*a, *b, 16); } /* @@ -387,69 +381,80 @@ static int v6IPAddressOrRange_cmp(const IPAddressOrRange * const *a, * See last paragraph of RFC 3779 2.2.3.7. */ static int range_should_be_prefix(const unsigned char *min, - const unsigned char *max, - const int length) + const unsigned char *max, const int length) { - unsigned char mask; - int i, j; - - OPENSSL_assert(memcmp(min, max, length) <= 0); - for (i = 0; i < length && min[i] == max[i]; i++) - ; - for (j = length - 1; j >= 0 && min[j] == 0x00 && max[j] == 0xFF; j--) - ; - if (i < j) - return -1; - if (i > j) - return i * 8; - mask = min[i] ^ max[i]; - switch (mask) { - case 0x01: j = 7; break; - case 0x03: j = 6; break; - case 0x07: j = 5; break; - case 0x0F: j = 4; break; - case 0x1F: j = 3; break; - case 0x3F: j = 2; break; - case 0x7F: j = 1; break; - default: return -1; - } - if ((min[i] & mask) != 0 || (max[i] & mask) != mask) - return -1; - else - return i * 8 + j; + unsigned char mask; + int i, j; + + OPENSSL_assert(memcmp(min, max, length) <= 0); + for (i = 0; i < length && min[i] == max[i]; i++) ; + for (j = length - 1; j >= 0 && min[j] == 0x00 && max[j] == 0xFF; j--) ; + if (i < j) + return -1; + if (i > j) + return i * 8; + mask = min[i] ^ max[i]; + switch (mask) { + case 0x01: + j = 7; + break; + case 0x03: + j = 6; + break; + case 0x07: + j = 5; + break; + case 0x0F: + j = 4; + break; + case 0x1F: + j = 3; + break; + case 0x3F: + j = 2; + break; + case 0x7F: + j = 1; + break; + default: + return -1; + } + if ((min[i] & mask) != 0 || (max[i] & mask) != mask) + return -1; + else + return i * 8 + j; } /* * Construct a prefix. */ static int make_addressPrefix(IPAddressOrRange **result, - unsigned char *addr, - const int prefixlen) + unsigned char *addr, const int prefixlen) { - int bytelen = (prefixlen + 7) / 8, bitlen = prefixlen % 8; - IPAddressOrRange *aor = IPAddressOrRange_new(); + int bytelen = (prefixlen + 7) / 8, bitlen = prefixlen % 8; + IPAddressOrRange *aor = IPAddressOrRange_new(); + + if (aor == NULL) + return 0; + aor->type = IPAddressOrRange_addressPrefix; + if (aor->u.addressPrefix == NULL && + (aor->u.addressPrefix = ASN1_BIT_STRING_new()) == NULL) + goto err; + if (!ASN1_BIT_STRING_set(aor->u.addressPrefix, addr, bytelen)) + goto err; + aor->u.addressPrefix->flags &= ~7; + aor->u.addressPrefix->flags |= ASN1_STRING_FLAG_BITS_LEFT; + if (bitlen > 0) { + aor->u.addressPrefix->data[bytelen - 1] &= ~(0xFF >> bitlen); + aor->u.addressPrefix->flags |= 8 - bitlen; + } - if (aor == NULL) - return 0; - aor->type = IPAddressOrRange_addressPrefix; - if (aor->u.addressPrefix == NULL && - (aor->u.addressPrefix = ASN1_BIT_STRING_new()) == NULL) - goto err; - if (!ASN1_BIT_STRING_set(aor->u.addressPrefix, addr, bytelen)) - goto err; - aor->u.addressPrefix->flags &= ~7; - aor->u.addressPrefix->flags |= ASN1_STRING_FLAG_BITS_LEFT; - if (bitlen > 0) { - aor->u.addressPrefix->data[bytelen - 1] &= ~(0xFF >> bitlen); - aor->u.addressPrefix->flags |= 8 - bitlen; - } - - *result = aor; - return 1; + *result = aor; + return 1; err: - IPAddressOrRange_free(aor); - return 0; + IPAddressOrRange_free(aor); + return 0; } /* @@ -458,251 +463,242 @@ static int make_addressPrefix(IPAddressOrRange **result, * the rest of the code considerably. */ static int make_addressRange(IPAddressOrRange **result, - unsigned char *min, - unsigned char *max, - const int length) + unsigned char *min, + unsigned char *max, const int length) { - IPAddressOrRange *aor; - int i, prefixlen; + IPAddressOrRange *aor; + int i, prefixlen; + + if ((prefixlen = range_should_be_prefix(min, max, length)) >= 0) + return make_addressPrefix(result, min, prefixlen); + + if ((aor = IPAddressOrRange_new()) == NULL) + return 0; + aor->type = IPAddressOrRange_addressRange; + OPENSSL_assert(aor->u.addressRange == NULL); + if ((aor->u.addressRange = IPAddressRange_new()) == NULL) + goto err; + if (aor->u.addressRange->min == NULL && + (aor->u.addressRange->min = ASN1_BIT_STRING_new()) == NULL) + goto err; + if (aor->u.addressRange->max == NULL && + (aor->u.addressRange->max = ASN1_BIT_STRING_new()) == NULL) + goto err; + + for (i = length; i > 0 && min[i - 1] == 0x00; --i) ; + if (!ASN1_BIT_STRING_set(aor->u.addressRange->min, min, i)) + goto err; + aor->u.addressRange->min->flags &= ~7; + aor->u.addressRange->min->flags |= ASN1_STRING_FLAG_BITS_LEFT; + if (i > 0) { + unsigned char b = min[i - 1]; + int j = 1; + while ((b & (0xFFU >> j)) != 0) + ++j; + aor->u.addressRange->min->flags |= 8 - j; + } - if ((prefixlen = range_should_be_prefix(min, max, length)) >= 0) - return make_addressPrefix(result, min, prefixlen); + for (i = length; i > 0 && max[i - 1] == 0xFF; --i) ; + if (!ASN1_BIT_STRING_set(aor->u.addressRange->max, max, i)) + goto err; + aor->u.addressRange->max->flags &= ~7; + aor->u.addressRange->max->flags |= ASN1_STRING_FLAG_BITS_LEFT; + if (i > 0) { + unsigned char b = max[i - 1]; + int j = 1; + while ((b & (0xFFU >> j)) != (0xFFU >> j)) + ++j; + aor->u.addressRange->max->flags |= 8 - j; + } - if ((aor = IPAddressOrRange_new()) == NULL) - return 0; - aor->type = IPAddressOrRange_addressRange; - OPENSSL_assert(aor->u.addressRange == NULL); - if ((aor->u.addressRange = IPAddressRange_new()) == NULL) - goto err; - if (aor->u.addressRange->min == NULL && - (aor->u.addressRange->min = ASN1_BIT_STRING_new()) == NULL) - goto err; - if (aor->u.addressRange->max == NULL && - (aor->u.addressRange->max = ASN1_BIT_STRING_new()) == NULL) - goto err; - - for (i = length; i > 0 && min[i - 1] == 0x00; --i) - ; - if (!ASN1_BIT_STRING_set(aor->u.addressRange->min, min, i)) - goto err; - aor->u.addressRange->min->flags &= ~7; - aor->u.addressRange->min->flags |= ASN1_STRING_FLAG_BITS_LEFT; - if (i > 0) { - unsigned char b = min[i - 1]; - int j = 1; - while ((b & (0xFFU >> j)) != 0) - ++j; - aor->u.addressRange->min->flags |= 8 - j; - } - - for (i = length; i > 0 && max[i - 1] == 0xFF; --i) - ; - if (!ASN1_BIT_STRING_set(aor->u.addressRange->max, max, i)) - goto err; - aor->u.addressRange->max->flags &= ~7; - aor->u.addressRange->max->flags |= ASN1_STRING_FLAG_BITS_LEFT; - if (i > 0) { - unsigned char b = max[i - 1]; - int j = 1; - while ((b & (0xFFU >> j)) != (0xFFU >> j)) - ++j; - aor->u.addressRange->max->flags |= 8 - j; - } - - *result = aor; - return 1; + *result = aor; + return 1; err: - IPAddressOrRange_free(aor); - return 0; + IPAddressOrRange_free(aor); + return 0; } /* * Construct a new address family or find an existing one. */ static IPAddressFamily *make_IPAddressFamily(IPAddrBlocks *addr, - const unsigned afi, - const unsigned *safi) + const unsigned afi, + const unsigned *safi) { - IPAddressFamily *f; - unsigned char key[3]; - unsigned keylen; - int i; - - key[0] = (afi >> 8) & 0xFF; - key[1] = afi & 0xFF; - if (safi != NULL) { - key[2] = *safi & 0xFF; - keylen = 3; - } else { - keylen = 2; - } - - for (i = 0; i < sk_IPAddressFamily_num(addr); i++) { - f = sk_IPAddressFamily_value(addr, i); - OPENSSL_assert(f->addressFamily->data != NULL); - if (f->addressFamily->length == keylen && - !memcmp(f->addressFamily->data, key, keylen)) - return f; - } - - if ((f = IPAddressFamily_new()) == NULL) - goto err; - if (f->ipAddressChoice == NULL && - (f->ipAddressChoice = IPAddressChoice_new()) == NULL) - goto err; - if (f->addressFamily == NULL && - (f->addressFamily = ASN1_OCTET_STRING_new()) == NULL) - goto err; - if (!ASN1_OCTET_STRING_set(f->addressFamily, key, keylen)) - goto err; - if (!sk_IPAddressFamily_push(addr, f)) - goto err; - - return f; + IPAddressFamily *f; + unsigned char key[3]; + unsigned keylen; + int i; + + key[0] = (afi >> 8) & 0xFF; + key[1] = afi & 0xFF; + if (safi != NULL) { + key[2] = *safi & 0xFF; + keylen = 3; + } else { + keylen = 2; + } + + for (i = 0; i < sk_IPAddressFamily_num(addr); i++) { + f = sk_IPAddressFamily_value(addr, i); + OPENSSL_assert(f->addressFamily->data != NULL); + if (f->addressFamily->length == keylen && + !memcmp(f->addressFamily->data, key, keylen)) + return f; + } + + if ((f = IPAddressFamily_new()) == NULL) + goto err; + if (f->ipAddressChoice == NULL && + (f->ipAddressChoice = IPAddressChoice_new()) == NULL) + goto err; + if (f->addressFamily == NULL && + (f->addressFamily = ASN1_OCTET_STRING_new()) == NULL) + goto err; + if (!ASN1_OCTET_STRING_set(f->addressFamily, key, keylen)) + goto err; + if (!sk_IPAddressFamily_push(addr, f)) + goto err; + + return f; err: - IPAddressFamily_free(f); - return NULL; + IPAddressFamily_free(f); + return NULL; } /* * Add an inheritance element. */ int v3_addr_add_inherit(IPAddrBlocks *addr, - const unsigned afi, - const unsigned *safi) + const unsigned afi, const unsigned *safi) { - IPAddressFamily *f = make_IPAddressFamily(addr, afi, safi); - if (f == NULL || - f->ipAddressChoice == NULL || - (f->ipAddressChoice->type == IPAddressChoice_addressesOrRanges && - f->ipAddressChoice->u.addressesOrRanges != NULL)) - return 0; - if (f->ipAddressChoice->type == IPAddressChoice_inherit && - f->ipAddressChoice->u.inherit != NULL) + IPAddressFamily *f = make_IPAddressFamily(addr, afi, safi); + if (f == NULL || + f->ipAddressChoice == NULL || + (f->ipAddressChoice->type == IPAddressChoice_addressesOrRanges && + f->ipAddressChoice->u.addressesOrRanges != NULL)) + return 0; + if (f->ipAddressChoice->type == IPAddressChoice_inherit && + f->ipAddressChoice->u.inherit != NULL) + return 1; + if (f->ipAddressChoice->u.inherit == NULL && + (f->ipAddressChoice->u.inherit = ASN1_NULL_new()) == NULL) + return 0; + f->ipAddressChoice->type = IPAddressChoice_inherit; return 1; - if (f->ipAddressChoice->u.inherit == NULL && - (f->ipAddressChoice->u.inherit = ASN1_NULL_new()) == NULL) - return 0; - f->ipAddressChoice->type = IPAddressChoice_inherit; - return 1; } /* * Construct an IPAddressOrRange sequence, or return an existing one. */ static IPAddressOrRanges *make_prefix_or_range(IPAddrBlocks *addr, - const unsigned afi, - const unsigned *safi) + const unsigned afi, + const unsigned *safi) { - IPAddressFamily *f = make_IPAddressFamily(addr, afi, safi); - IPAddressOrRanges *aors = NULL; - - if (f == NULL || - f->ipAddressChoice == NULL || - (f->ipAddressChoice->type == IPAddressChoice_inherit && - f->ipAddressChoice->u.inherit != NULL)) - return NULL; - if (f->ipAddressChoice->type == IPAddressChoice_addressesOrRanges) - aors = f->ipAddressChoice->u.addressesOrRanges; - if (aors != NULL) + IPAddressFamily *f = make_IPAddressFamily(addr, afi, safi); + IPAddressOrRanges *aors = NULL; + + if (f == NULL || + f->ipAddressChoice == NULL || + (f->ipAddressChoice->type == IPAddressChoice_inherit && + f->ipAddressChoice->u.inherit != NULL)) + return NULL; + if (f->ipAddressChoice->type == IPAddressChoice_addressesOrRanges) + aors = f->ipAddressChoice->u.addressesOrRanges; + if (aors != NULL) + return aors; + if ((aors = sk_IPAddressOrRange_new_null()) == NULL) + return NULL; + switch (afi) { + case IANA_AFI_IPV4: + (void)sk_IPAddressOrRange_set_cmp_func(aors, v4IPAddressOrRange_cmp); + break; + case IANA_AFI_IPV6: + (void)sk_IPAddressOrRange_set_cmp_func(aors, v6IPAddressOrRange_cmp); + break; + } + f->ipAddressChoice->type = IPAddressChoice_addressesOrRanges; + f->ipAddressChoice->u.addressesOrRanges = aors; return aors; - if ((aors = sk_IPAddressOrRange_new_null()) == NULL) - return NULL; - switch (afi) { - case IANA_AFI_IPV4: - (void) sk_IPAddressOrRange_set_cmp_func(aors, v4IPAddressOrRange_cmp); - break; - case IANA_AFI_IPV6: - (void) sk_IPAddressOrRange_set_cmp_func(aors, v6IPAddressOrRange_cmp); - break; - } - f->ipAddressChoice->type = IPAddressChoice_addressesOrRanges; - f->ipAddressChoice->u.addressesOrRanges = aors; - return aors; } /* * Add a prefix. */ int v3_addr_add_prefix(IPAddrBlocks *addr, - const unsigned afi, - const unsigned *safi, - unsigned char *a, - const int prefixlen) + const unsigned afi, + const unsigned *safi, + unsigned char *a, const int prefixlen) { - IPAddressOrRanges *aors = make_prefix_or_range(addr, afi, safi); - IPAddressOrRange *aor; - if (aors == NULL || !make_addressPrefix(&aor, a, prefixlen)) + IPAddressOrRanges *aors = make_prefix_or_range(addr, afi, safi); + IPAddressOrRange *aor; + if (aors == NULL || !make_addressPrefix(&aor, a, prefixlen)) + return 0; + if (sk_IPAddressOrRange_push(aors, aor)) + return 1; + IPAddressOrRange_free(aor); return 0; - if (sk_IPAddressOrRange_push(aors, aor)) - return 1; - IPAddressOrRange_free(aor); - return 0; } /* * Add a range. */ int v3_addr_add_range(IPAddrBlocks *addr, - const unsigned afi, - const unsigned *safi, - unsigned char *min, - unsigned char *max) + const unsigned afi, + const unsigned *safi, + unsigned char *min, unsigned char *max) { - IPAddressOrRanges *aors = make_prefix_or_range(addr, afi, safi); - IPAddressOrRange *aor; - int length = length_from_afi(afi); - if (aors == NULL) - return 0; - if (!make_addressRange(&aor, min, max, length)) + IPAddressOrRanges *aors = make_prefix_or_range(addr, afi, safi); + IPAddressOrRange *aor; + int length = length_from_afi(afi); + if (aors == NULL) + return 0; + if (!make_addressRange(&aor, min, max, length)) + return 0; + if (sk_IPAddressOrRange_push(aors, aor)) + return 1; + IPAddressOrRange_free(aor); return 0; - if (sk_IPAddressOrRange_push(aors, aor)) - return 1; - IPAddressOrRange_free(aor); - return 0; } /* * Extract min and max values from an IPAddressOrRange. */ static int extract_min_max(IPAddressOrRange *aor, - unsigned char *min, - unsigned char *max, - int length) + unsigned char *min, unsigned char *max, int length) { - if (aor == NULL || min == NULL || max == NULL) + if (aor == NULL || min == NULL || max == NULL) + return 0; + switch (aor->type) { + case IPAddressOrRange_addressPrefix: + return (addr_expand(min, aor->u.addressPrefix, length, 0x00) && + addr_expand(max, aor->u.addressPrefix, length, 0xFF)); + case IPAddressOrRange_addressRange: + return (addr_expand(min, aor->u.addressRange->min, length, 0x00) && + addr_expand(max, aor->u.addressRange->max, length, 0xFF)); + } return 0; - switch (aor->type) { - case IPAddressOrRange_addressPrefix: - return (addr_expand(min, aor->u.addressPrefix, length, 0x00) && - addr_expand(max, aor->u.addressPrefix, length, 0xFF)); - case IPAddressOrRange_addressRange: - return (addr_expand(min, aor->u.addressRange->min, length, 0x00) && - addr_expand(max, aor->u.addressRange->max, length, 0xFF)); - } - return 0; } /* * Public wrapper for extract_min_max(). */ int v3_addr_get_range(IPAddressOrRange *aor, - const unsigned afi, - unsigned char *min, - unsigned char *max, - const int length) + const unsigned afi, + unsigned char *min, + unsigned char *max, const int length) { - int afi_length = length_from_afi(afi); - if (aor == NULL || min == NULL || max == NULL || - afi_length == 0 || length < afi_length || - (aor->type != IPAddressOrRange_addressPrefix && - aor->type != IPAddressOrRange_addressRange) || - !extract_min_max(aor, min, max, afi_length)) - return 0; - - return afi_length; + int afi_length = length_from_afi(afi); + if (aor == NULL || min == NULL || max == NULL || + afi_length == 0 || length < afi_length || + (aor->type != IPAddressOrRange_addressPrefix && + aor->type != IPAddressOrRange_addressRange) || + !extract_min_max(aor, min, max, afi_length)) + return 0; + + return afi_length; } /* @@ -715,14 +711,14 @@ int v3_addr_get_range(IPAddressOrRange *aor, * null-SAFI rule to apply only within a single AFI, which is what I * would have expected and is what the following code implements. */ -static int IPAddressFamily_cmp(const IPAddressFamily * const *a_, - const IPAddressFamily * const *b_) +static int IPAddressFamily_cmp(const IPAddressFamily *const *a_, + const IPAddressFamily *const *b_) { - const ASN1_OCTET_STRING *a = (*a_)->addressFamily; - const ASN1_OCTET_STRING *b = (*b_)->addressFamily; - int len = ((a->length <= b->length) ? a->length : b->length); - int cmp = memcmp(a->data, b->data, len); - return cmp ? cmp : a->length - b->length; + const ASN1_OCTET_STRING *a = (*a_)->addressFamily; + const ASN1_OCTET_STRING *b = (*b_)->addressFamily; + int len = ((a->length <= b->length) ? a->length : b->length); + int cmp = memcmp(a->data, b->data, len); + return cmp ? cmp : a->length - b->length; } /* @@ -730,184 +726,182 @@ static int IPAddressFamily_cmp(const IPAddressFamily * const *a_, */ int v3_addr_is_canonical(IPAddrBlocks *addr) { - unsigned char a_min[ADDR_RAW_BUF_LEN], a_max[ADDR_RAW_BUF_LEN]; - unsigned char b_min[ADDR_RAW_BUF_LEN], b_max[ADDR_RAW_BUF_LEN]; - IPAddressOrRanges *aors; - int i, j, k; - - /* - * Empty extension is cannonical. - */ - if (addr == NULL) - return 1; - - /* - * Check whether the top-level list is in order. - */ - for (i = 0; i < sk_IPAddressFamily_num(addr) - 1; i++) { - const IPAddressFamily *a = sk_IPAddressFamily_value(addr, i); - const IPAddressFamily *b = sk_IPAddressFamily_value(addr, i + 1); - if (IPAddressFamily_cmp(&a, &b) >= 0) - return 0; - } - - /* - * Top level's ok, now check each address family. - */ - for (i = 0; i < sk_IPAddressFamily_num(addr); i++) { - IPAddressFamily *f = sk_IPAddressFamily_value(addr, i); - int length = length_from_afi(v3_addr_get_afi(f)); + unsigned char a_min[ADDR_RAW_BUF_LEN], a_max[ADDR_RAW_BUF_LEN]; + unsigned char b_min[ADDR_RAW_BUF_LEN], b_max[ADDR_RAW_BUF_LEN]; + IPAddressOrRanges *aors; + int i, j, k; /* - * Inheritance is canonical. Anything other than inheritance or - * a SEQUENCE OF IPAddressOrRange is an ASN.1 error or something. + * Empty extension is cannonical. */ - if (f == NULL || f->ipAddressChoice == NULL) - return 0; - switch (f->ipAddressChoice->type) { - case IPAddressChoice_inherit: - continue; - case IPAddressChoice_addressesOrRanges: - break; - default: - return 0; - } + if (addr == NULL) + return 1; /* - * It's an IPAddressOrRanges sequence, check it. + * Check whether the top-level list is in order. */ - aors = f->ipAddressChoice->u.addressesOrRanges; - if (sk_IPAddressOrRange_num(aors) == 0) - return 0; - for (j = 0; j < sk_IPAddressOrRange_num(aors) - 1; j++) { - IPAddressOrRange *a = sk_IPAddressOrRange_value(aors, j); - IPAddressOrRange *b = sk_IPAddressOrRange_value(aors, j + 1); - - if (!extract_min_max(a, a_min, a_max, length) || - !extract_min_max(b, b_min, b_max, length)) - return 0; - - /* - * Punt misordered list, overlapping start, or inverted range. - */ - if (memcmp(a_min, b_min, length) >= 0 || - memcmp(a_min, a_max, length) > 0 || - memcmp(b_min, b_max, length) > 0) - return 0; - - /* - * Punt if adjacent or overlapping. Check for adjacency by - * subtracting one from b_min first. - */ - for (k = length - 1; k >= 0 && b_min[k]-- == 0x00; k--) - ; - if (memcmp(a_max, b_min, length) >= 0) - return 0; - - /* - * Check for range that should be expressed as a prefix. - */ - if (a->type == IPAddressOrRange_addressRange && - range_should_be_prefix(a_min, a_max, length) >= 0) - return 0; + for (i = 0; i < sk_IPAddressFamily_num(addr) - 1; i++) { + const IPAddressFamily *a = sk_IPAddressFamily_value(addr, i); + const IPAddressFamily *b = sk_IPAddressFamily_value(addr, i + 1); + if (IPAddressFamily_cmp(&a, &b) >= 0) + return 0; } /* - * Check range to see if it's inverted or should be a - * prefix. + * Top level's ok, now check each address family. */ - j = sk_IPAddressOrRange_num(aors) - 1; - { - IPAddressOrRange *a = sk_IPAddressOrRange_value(aors, j); - if (a != NULL && a->type == IPAddressOrRange_addressRange) { - if (!extract_min_max(a, a_min, a_max, length)) - return 0; - if (memcmp(a_min, a_max, length) > 0 || - range_should_be_prefix(a_min, a_max, length) >= 0) - return 0; - } + for (i = 0; i < sk_IPAddressFamily_num(addr); i++) { + IPAddressFamily *f = sk_IPAddressFamily_value(addr, i); + int length = length_from_afi(v3_addr_get_afi(f)); + + /* + * Inheritance is canonical. Anything other than inheritance or + * a SEQUENCE OF IPAddressOrRange is an ASN.1 error or something. + */ + if (f == NULL || f->ipAddressChoice == NULL) + return 0; + switch (f->ipAddressChoice->type) { + case IPAddressChoice_inherit: + continue; + case IPAddressChoice_addressesOrRanges: + break; + default: + return 0; + } + + /* + * It's an IPAddressOrRanges sequence, check it. + */ + aors = f->ipAddressChoice->u.addressesOrRanges; + if (sk_IPAddressOrRange_num(aors) == 0) + return 0; + for (j = 0; j < sk_IPAddressOrRange_num(aors) - 1; j++) { + IPAddressOrRange *a = sk_IPAddressOrRange_value(aors, j); + IPAddressOrRange *b = sk_IPAddressOrRange_value(aors, j + 1); + + if (!extract_min_max(a, a_min, a_max, length) || + !extract_min_max(b, b_min, b_max, length)) + return 0; + + /* + * Punt misordered list, overlapping start, or inverted range. + */ + if (memcmp(a_min, b_min, length) >= 0 || + memcmp(a_min, a_max, length) > 0 || + memcmp(b_min, b_max, length) > 0) + return 0; + + /* + * Punt if adjacent or overlapping. Check for adjacency by + * subtracting one from b_min first. + */ + for (k = length - 1; k >= 0 && b_min[k]-- == 0x00; k--) ; + if (memcmp(a_max, b_min, length) >= 0) + return 0; + + /* + * Check for range that should be expressed as a prefix. + */ + if (a->type == IPAddressOrRange_addressRange && + range_should_be_prefix(a_min, a_max, length) >= 0) + return 0; + } + + /* + * Check range to see if it's inverted or should be a + * prefix. + */ + j = sk_IPAddressOrRange_num(aors) - 1; + { + IPAddressOrRange *a = sk_IPAddressOrRange_value(aors, j); + if (a != NULL && a->type == IPAddressOrRange_addressRange) { + if (!extract_min_max(a, a_min, a_max, length)) + return 0; + if (memcmp(a_min, a_max, length) > 0 || + range_should_be_prefix(a_min, a_max, length) >= 0) + return 0; + } + } } - } - /* - * If we made it through all that, we're happy. - */ - return 1; + /* + * If we made it through all that, we're happy. + */ + return 1; } /* * Whack an IPAddressOrRanges into canonical form. */ static int IPAddressOrRanges_canonize(IPAddressOrRanges *aors, - const unsigned afi) + const unsigned afi) { - int i, j, length = length_from_afi(afi); - - /* - * Sort the IPAddressOrRanges sequence. - */ - sk_IPAddressOrRange_sort(aors); - - /* - * Clean up representation issues, punt on duplicates or overlaps. - */ - for (i = 0; i < sk_IPAddressOrRange_num(aors) - 1; i++) { - IPAddressOrRange *a = sk_IPAddressOrRange_value(aors, i); - IPAddressOrRange *b = sk_IPAddressOrRange_value(aors, i + 1); - unsigned char a_min[ADDR_RAW_BUF_LEN], a_max[ADDR_RAW_BUF_LEN]; - unsigned char b_min[ADDR_RAW_BUF_LEN], b_max[ADDR_RAW_BUF_LEN]; - - if (!extract_min_max(a, a_min, a_max, length) || - !extract_min_max(b, b_min, b_max, length)) - return 0; + int i, j, length = length_from_afi(afi); /* - * Punt inverted ranges. + * Sort the IPAddressOrRanges sequence. */ - if (memcmp(a_min, a_max, length) > 0 || - memcmp(b_min, b_max, length) > 0) - return 0; + sk_IPAddressOrRange_sort(aors); /* - * Punt overlaps. + * Clean up representation issues, punt on duplicates or overlaps. */ - if (memcmp(a_max, b_min, length) >= 0) - return 0; + for (i = 0; i < sk_IPAddressOrRange_num(aors) - 1; i++) { + IPAddressOrRange *a = sk_IPAddressOrRange_value(aors, i); + IPAddressOrRange *b = sk_IPAddressOrRange_value(aors, i + 1); + unsigned char a_min[ADDR_RAW_BUF_LEN], a_max[ADDR_RAW_BUF_LEN]; + unsigned char b_min[ADDR_RAW_BUF_LEN], b_max[ADDR_RAW_BUF_LEN]; + + if (!extract_min_max(a, a_min, a_max, length) || + !extract_min_max(b, b_min, b_max, length)) + return 0; + + /* + * Punt inverted ranges. + */ + if (memcmp(a_min, a_max, length) > 0 || + memcmp(b_min, b_max, length) > 0) + return 0; + + /* + * Punt overlaps. + */ + if (memcmp(a_max, b_min, length) >= 0) + return 0; + + /* + * Merge if a and b are adjacent. We check for + * adjacency by subtracting one from b_min first. + */ + for (j = length - 1; j >= 0 && b_min[j]-- == 0x00; j--) ; + if (memcmp(a_max, b_min, length) == 0) { + IPAddressOrRange *merged; + if (!make_addressRange(&merged, a_min, b_max, length)) + return 0; + (void)sk_IPAddressOrRange_set(aors, i, merged); + (void)sk_IPAddressOrRange_delete(aors, i + 1); + IPAddressOrRange_free(a); + IPAddressOrRange_free(b); + --i; + continue; + } + } /* - * Merge if a and b are adjacent. We check for - * adjacency by subtracting one from b_min first. + * Check for inverted final range. */ - for (j = length - 1; j >= 0 && b_min[j]-- == 0x00; j--) - ; - if (memcmp(a_max, b_min, length) == 0) { - IPAddressOrRange *merged; - if (!make_addressRange(&merged, a_min, b_max, length)) - return 0; - (void) sk_IPAddressOrRange_set(aors, i, merged); - (void) sk_IPAddressOrRange_delete(aors, i + 1); - IPAddressOrRange_free(a); - IPAddressOrRange_free(b); - --i; - continue; - } - } - - /* - * Check for inverted final range. - */ - j = sk_IPAddressOrRange_num(aors) - 1; - { - IPAddressOrRange *a = sk_IPAddressOrRange_value(aors, j); - if (a != NULL && a->type == IPAddressOrRange_addressRange) { - unsigned char a_min[ADDR_RAW_BUF_LEN], a_max[ADDR_RAW_BUF_LEN]; - extract_min_max(a, a_min, a_max, length); - if (memcmp(a_min, a_max, length) > 0) - return 0; + j = sk_IPAddressOrRange_num(aors) - 1; + { + IPAddressOrRange *a = sk_IPAddressOrRange_value(aors, j); + if (a != NULL && a->type == IPAddressOrRange_addressRange) { + unsigned char a_min[ADDR_RAW_BUF_LEN], a_max[ADDR_RAW_BUF_LEN]; + extract_min_max(a, a_min, a_max, length); + if (memcmp(a_min, a_max, length) > 0) + return 0; + } } - } - return 1; + return 1; } /* @@ -915,200 +909,208 @@ static int IPAddressOrRanges_canonize(IPAddressOrRanges *aors, */ int v3_addr_canonize(IPAddrBlocks *addr) { - int i; - for (i = 0; i < sk_IPAddressFamily_num(addr); i++) { - IPAddressFamily *f = sk_IPAddressFamily_value(addr, i); - if (f->ipAddressChoice->type == IPAddressChoice_addressesOrRanges && - !IPAddressOrRanges_canonize(f->ipAddressChoice->u.addressesOrRanges, - v3_addr_get_afi(f))) - return 0; - } - (void) sk_IPAddressFamily_set_cmp_func(addr, IPAddressFamily_cmp); - sk_IPAddressFamily_sort(addr); - OPENSSL_assert(v3_addr_is_canonical(addr)); - return 1; + int i; + for (i = 0; i < sk_IPAddressFamily_num(addr); i++) { + IPAddressFamily *f = sk_IPAddressFamily_value(addr, i); + if (f->ipAddressChoice->type == IPAddressChoice_addressesOrRanges && + !IPAddressOrRanges_canonize(f->ipAddressChoice-> + u.addressesOrRanges, + v3_addr_get_afi(f))) + return 0; + } + (void)sk_IPAddressFamily_set_cmp_func(addr, IPAddressFamily_cmp); + sk_IPAddressFamily_sort(addr); + OPENSSL_assert(v3_addr_is_canonical(addr)); + return 1; } /* * v2i handler for the IPAddrBlocks extension. */ static void *v2i_IPAddrBlocks(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) { - static const char v4addr_chars[] = "0123456789."; - static const char v6addr_chars[] = "0123456789.:abcdefABCDEF"; - IPAddrBlocks *addr = NULL; - char *s = NULL, *t; - int i; - - if ((addr = sk_IPAddressFamily_new(IPAddressFamily_cmp)) == NULL) { - X509V3err(X509V3_F_V2I_IPADDRBLOCKS, 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); - unsigned char min[ADDR_RAW_BUF_LEN], max[ADDR_RAW_BUF_LEN]; - unsigned afi, *safi = NULL, safi_; - const char *addr_chars; - int prefixlen, i1, i2, delim, length; - - if ( !name_cmp(val->name, "IPv4")) { - afi = IANA_AFI_IPV4; - } else if (!name_cmp(val->name, "IPv6")) { - afi = IANA_AFI_IPV6; - } else if (!name_cmp(val->name, "IPv4-SAFI")) { - afi = IANA_AFI_IPV4; - safi = &safi_; - } else if (!name_cmp(val->name, "IPv6-SAFI")) { - afi = IANA_AFI_IPV6; - safi = &safi_; - } else { - X509V3err(X509V3_F_V2I_IPADDRBLOCKS, X509V3_R_EXTENSION_NAME_ERROR); - X509V3_conf_err(val); - goto err; - } - - switch (afi) { - case IANA_AFI_IPV4: - addr_chars = v4addr_chars; - break; - case IANA_AFI_IPV6: - addr_chars = v6addr_chars; - break; + static const char v4addr_chars[] = "0123456789."; + static const char v6addr_chars[] = "0123456789.:abcdefABCDEF"; + IPAddrBlocks *addr = NULL; + char *s = NULL, *t; + int i; + + if ((addr = sk_IPAddressFamily_new(IPAddressFamily_cmp)) == NULL) { + X509V3err(X509V3_F_V2I_IPADDRBLOCKS, ERR_R_MALLOC_FAILURE); + return NULL; } - length = length_from_afi(afi); - - /* - * Handle SAFI, if any, and BUF_strdup() so we can null-terminate - * the other input values. - */ - if (safi != NULL) { - *safi = strtoul(val->value, &t, 0); - t += strspn(t, " \t"); - if (*safi > 0xFF || *t++ != ':') { - X509V3err(X509V3_F_V2I_IPADDRBLOCKS, X509V3_R_INVALID_SAFI); - X509V3_conf_err(val); - goto err; - } - t += strspn(t, " \t"); - s = BUF_strdup(t); - } else { - s = BUF_strdup(val->value); - } - if (s == NULL) { - X509V3err(X509V3_F_V2I_IPADDRBLOCKS, ERR_R_MALLOC_FAILURE); - goto err; + for (i = 0; i < sk_CONF_VALUE_num(values); i++) { + CONF_VALUE *val = sk_CONF_VALUE_value(values, i); + unsigned char min[ADDR_RAW_BUF_LEN], max[ADDR_RAW_BUF_LEN]; + unsigned afi, *safi = NULL, safi_; + const char *addr_chars; + int prefixlen, i1, i2, delim, length; + + if (!name_cmp(val->name, "IPv4")) { + afi = IANA_AFI_IPV4; + } else if (!name_cmp(val->name, "IPv6")) { + afi = IANA_AFI_IPV6; + } else if (!name_cmp(val->name, "IPv4-SAFI")) { + afi = IANA_AFI_IPV4; + safi = &safi_; + } else if (!name_cmp(val->name, "IPv6-SAFI")) { + afi = IANA_AFI_IPV6; + safi = &safi_; + } else { + X509V3err(X509V3_F_V2I_IPADDRBLOCKS, + X509V3_R_EXTENSION_NAME_ERROR); + X509V3_conf_err(val); + goto err; + } + + switch (afi) { + case IANA_AFI_IPV4: + addr_chars = v4addr_chars; + break; + case IANA_AFI_IPV6: + addr_chars = v6addr_chars; + break; + } + + length = length_from_afi(afi); + + /* + * Handle SAFI, if any, and BUF_strdup() so we can null-terminate + * the other input values. + */ + if (safi != NULL) { + *safi = strtoul(val->value, &t, 0); + t += strspn(t, " \t"); + if (*safi > 0xFF || *t++ != ':') { + X509V3err(X509V3_F_V2I_IPADDRBLOCKS, X509V3_R_INVALID_SAFI); + X509V3_conf_err(val); + goto err; + } + t += strspn(t, " \t"); + s = BUF_strdup(t); + } else { + s = BUF_strdup(val->value); + } + if (s == NULL) { + X509V3err(X509V3_F_V2I_IPADDRBLOCKS, ERR_R_MALLOC_FAILURE); + goto err; + } + + /* + * Check for inheritance. Not worth additional complexity to + * optimize this (seldom-used) case. + */ + if (!strcmp(s, "inherit")) { + if (!v3_addr_add_inherit(addr, afi, safi)) { + X509V3err(X509V3_F_V2I_IPADDRBLOCKS, + X509V3_R_INVALID_INHERITANCE); + X509V3_conf_err(val); + goto err; + } + OPENSSL_free(s); + s = NULL; + continue; + } + + i1 = strspn(s, addr_chars); + i2 = i1 + strspn(s + i1, " \t"); + delim = s[i2++]; + s[i1] = '\0'; + + if (a2i_ipadd(min, s) != length) { + X509V3err(X509V3_F_V2I_IPADDRBLOCKS, X509V3_R_INVALID_IPADDRESS); + X509V3_conf_err(val); + goto err; + } + + switch (delim) { + case '/': + prefixlen = (int)strtoul(s + i2, &t, 10); + if (t == s + i2 || *t != '\0') { + X509V3err(X509V3_F_V2I_IPADDRBLOCKS, + X509V3_R_EXTENSION_VALUE_ERROR); + X509V3_conf_err(val); + goto err; + } + if (!v3_addr_add_prefix(addr, afi, safi, min, prefixlen)) { + X509V3err(X509V3_F_V2I_IPADDRBLOCKS, ERR_R_MALLOC_FAILURE); + goto err; + } + break; + case '-': + i1 = i2 + strspn(s + i2, " \t"); + i2 = i1 + strspn(s + i1, addr_chars); + if (i1 == i2 || s[i2] != '\0') { + X509V3err(X509V3_F_V2I_IPADDRBLOCKS, + X509V3_R_EXTENSION_VALUE_ERROR); + X509V3_conf_err(val); + goto err; + } + if (a2i_ipadd(max, s + i1) != length) { + X509V3err(X509V3_F_V2I_IPADDRBLOCKS, + X509V3_R_INVALID_IPADDRESS); + X509V3_conf_err(val); + goto err; + } + if (memcmp(min, max, length_from_afi(afi)) > 0) { + X509V3err(X509V3_F_V2I_IPADDRBLOCKS, + X509V3_R_EXTENSION_VALUE_ERROR); + X509V3_conf_err(val); + goto err; + } + if (!v3_addr_add_range(addr, afi, safi, min, max)) { + X509V3err(X509V3_F_V2I_IPADDRBLOCKS, ERR_R_MALLOC_FAILURE); + goto err; + } + break; + case '\0': + if (!v3_addr_add_prefix(addr, afi, safi, min, length * 8)) { + X509V3err(X509V3_F_V2I_IPADDRBLOCKS, ERR_R_MALLOC_FAILURE); + goto err; + } + break; + default: + X509V3err(X509V3_F_V2I_IPADDRBLOCKS, + X509V3_R_EXTENSION_VALUE_ERROR); + X509V3_conf_err(val); + goto err; + } + + OPENSSL_free(s); + s = NULL; } /* - * Check for inheritance. Not worth additional complexity to - * optimize this (seldom-used) case. + * Canonize the result, then we're done. */ - if (!strcmp(s, "inherit")) { - if (!v3_addr_add_inherit(addr, afi, safi)) { - X509V3err(X509V3_F_V2I_IPADDRBLOCKS, X509V3_R_INVALID_INHERITANCE); - X509V3_conf_err(val); - goto err; - } - OPENSSL_free(s); - s = NULL; - continue; - } - - i1 = strspn(s, addr_chars); - i2 = i1 + strspn(s + i1, " \t"); - delim = s[i2++]; - s[i1] = '\0'; - - if (a2i_ipadd(min, s) != length) { - X509V3err(X509V3_F_V2I_IPADDRBLOCKS, X509V3_R_INVALID_IPADDRESS); - X509V3_conf_err(val); - goto err; - } - - switch (delim) { - case '/': - prefixlen = (int) strtoul(s + i2, &t, 10); - if (t == s + i2 || *t != '\0') { - X509V3err(X509V3_F_V2I_IPADDRBLOCKS, X509V3_R_EXTENSION_VALUE_ERROR); - X509V3_conf_err(val); - goto err; - } - if (!v3_addr_add_prefix(addr, afi, safi, min, prefixlen)) { - X509V3err(X509V3_F_V2I_IPADDRBLOCKS, ERR_R_MALLOC_FAILURE); - goto err; - } - break; - case '-': - i1 = i2 + strspn(s + i2, " \t"); - i2 = i1 + strspn(s + i1, addr_chars); - if (i1 == i2 || s[i2] != '\0') { - X509V3err(X509V3_F_V2I_IPADDRBLOCKS, X509V3_R_EXTENSION_VALUE_ERROR); - X509V3_conf_err(val); - goto err; - } - if (a2i_ipadd(max, s + i1) != length) { - X509V3err(X509V3_F_V2I_IPADDRBLOCKS, X509V3_R_INVALID_IPADDRESS); - X509V3_conf_err(val); - goto err; - } - if (memcmp(min, max, length_from_afi(afi)) > 0) { - X509V3err(X509V3_F_V2I_IPADDRBLOCKS, X509V3_R_EXTENSION_VALUE_ERROR); - X509V3_conf_err(val); - goto err; - } - if (!v3_addr_add_range(addr, afi, safi, min, max)) { - X509V3err(X509V3_F_V2I_IPADDRBLOCKS, ERR_R_MALLOC_FAILURE); - goto err; - } - break; - case '\0': - if (!v3_addr_add_prefix(addr, afi, safi, min, length * 8)) { - X509V3err(X509V3_F_V2I_IPADDRBLOCKS, ERR_R_MALLOC_FAILURE); - goto err; - } - break; - default: - X509V3err(X509V3_F_V2I_IPADDRBLOCKS, X509V3_R_EXTENSION_VALUE_ERROR); - X509V3_conf_err(val); - goto err; - } - - OPENSSL_free(s); - s = NULL; - } - - /* - * Canonize the result, then we're done. - */ - if (!v3_addr_canonize(addr)) - goto err; - return addr; + if (!v3_addr_canonize(addr)) + goto err; + return addr; err: - OPENSSL_free(s); - sk_IPAddressFamily_pop_free(addr, IPAddressFamily_free); - return NULL; + OPENSSL_free(s); + sk_IPAddressFamily_pop_free(addr, IPAddressFamily_free); + return NULL; } /* * OpenSSL dispatch */ const X509V3_EXT_METHOD v3_addr = { - NID_sbgp_ipAddrBlock, /* nid */ - 0, /* flags */ - ASN1_ITEM_ref(IPAddrBlocks), /* template */ - 0, 0, 0, 0, /* old functions, ignored */ - 0, /* i2s */ - 0, /* s2i */ - 0, /* i2v */ - v2i_IPAddrBlocks, /* v2i */ - i2r_IPAddrBlocks, /* i2r */ - 0, /* r2i */ - NULL /* extension-specific data */ + NID_sbgp_ipAddrBlock, /* nid */ + 0, /* flags */ + ASN1_ITEM_ref(IPAddrBlocks), /* template */ + 0, 0, 0, 0, /* old functions, ignored */ + 0, /* i2s */ + 0, /* s2i */ + 0, /* i2v */ + v2i_IPAddrBlocks, /* v2i */ + i2r_IPAddrBlocks, /* i2r */ + 0, /* r2i */ + NULL /* extension-specific data */ }; /* @@ -1116,53 +1118,52 @@ const X509V3_EXT_METHOD v3_addr = { */ int v3_addr_inherits(IPAddrBlocks *addr) { - int i; - if (addr == NULL) + int i; + if (addr == NULL) + return 0; + for (i = 0; i < sk_IPAddressFamily_num(addr); i++) { + IPAddressFamily *f = sk_IPAddressFamily_value(addr, i); + if (f->ipAddressChoice->type == IPAddressChoice_inherit) + return 1; + } return 0; - for (i = 0; i < sk_IPAddressFamily_num(addr); i++) { - IPAddressFamily *f = sk_IPAddressFamily_value(addr, i); - if (f->ipAddressChoice->type == IPAddressChoice_inherit) - return 1; - } - return 0; } /* * Figure out whether parent contains child. */ static int addr_contains(IPAddressOrRanges *parent, - IPAddressOrRanges *child, - int length) + IPAddressOrRanges *child, int length) { - unsigned char p_min[ADDR_RAW_BUF_LEN], p_max[ADDR_RAW_BUF_LEN]; - unsigned char c_min[ADDR_RAW_BUF_LEN], c_max[ADDR_RAW_BUF_LEN]; - int p, c; - - if (child == NULL || parent == child) - return 1; - if (parent == NULL) - return 0; - - p = 0; - for (c = 0; c < sk_IPAddressOrRange_num(child); c++) { - if (!extract_min_max(sk_IPAddressOrRange_value(child, c), - c_min, c_max, length)) - return -1; - for (;; p++) { - if (p >= sk_IPAddressOrRange_num(parent)) - return 0; - if (!extract_min_max(sk_IPAddressOrRange_value(parent, p), - p_min, p_max, length)) - return 0; - if (memcmp(p_max, c_max, length) < 0) - continue; - if (memcmp(p_min, c_min, length) > 0) - return 0; - break; + unsigned char p_min[ADDR_RAW_BUF_LEN], p_max[ADDR_RAW_BUF_LEN]; + unsigned char c_min[ADDR_RAW_BUF_LEN], c_max[ADDR_RAW_BUF_LEN]; + int p, c; + + if (child == NULL || parent == child) + return 1; + if (parent == NULL) + return 0; + + p = 0; + for (c = 0; c < sk_IPAddressOrRange_num(child); c++) { + if (!extract_min_max(sk_IPAddressOrRange_value(child, c), + c_min, c_max, length)) + return -1; + for (;; p++) { + if (p >= sk_IPAddressOrRange_num(parent)) + return 0; + if (!extract_min_max(sk_IPAddressOrRange_value(parent, p), + p_min, p_max, length)) + return 0; + if (memcmp(p_max, c_max, length) < 0) + continue; + if (memcmp(p_min, c_min, length) > 0) + return 0; + break; + } } - } - return 1; + return 1; } /* @@ -1170,152 +1171,158 @@ static int addr_contains(IPAddressOrRanges *parent, */ int v3_addr_subset(IPAddrBlocks *a, IPAddrBlocks *b) { - int i; - if (a == NULL || a == b) + int i; + if (a == NULL || a == b) + return 1; + if (b == NULL || v3_addr_inherits(a) || v3_addr_inherits(b)) + return 0; + (void)sk_IPAddressFamily_set_cmp_func(b, IPAddressFamily_cmp); + for (i = 0; i < sk_IPAddressFamily_num(a); i++) { + IPAddressFamily *fa = sk_IPAddressFamily_value(a, i); + int j = sk_IPAddressFamily_find(b, fa); + IPAddressFamily *fb; + fb = sk_IPAddressFamily_value(b, j); + if (fb == NULL) + return 0; + if (!addr_contains(fb->ipAddressChoice->u.addressesOrRanges, + fa->ipAddressChoice->u.addressesOrRanges, + length_from_afi(v3_addr_get_afi(fb)))) + return 0; + } return 1; - if (b == NULL || v3_addr_inherits(a) || v3_addr_inherits(b)) - return 0; - (void) sk_IPAddressFamily_set_cmp_func(b, IPAddressFamily_cmp); - for (i = 0; i < sk_IPAddressFamily_num(a); i++) { - IPAddressFamily *fa = sk_IPAddressFamily_value(a, i); - int j = sk_IPAddressFamily_find(b, fa); - IPAddressFamily *fb; - fb = sk_IPAddressFamily_value(b, j); - if (fb == NULL) - return 0; - if (!addr_contains(fb->ipAddressChoice->u.addressesOrRanges, - fa->ipAddressChoice->u.addressesOrRanges, - length_from_afi(v3_addr_get_afi(fb)))) - return 0; - } - return 1; } /* * 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 2.3 path validation. */ static int v3_addr_validate_path_internal(X509_STORE_CTX *ctx, - STACK_OF(X509) *chain, - IPAddrBlocks *ext) + STACK_OF(X509) *chain, + IPAddrBlocks *ext) { - IPAddrBlocks *child = NULL; - int i, j, ret = 1; - 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_addr) == NULL) - goto done; - } - if (!v3_addr_is_canonical(ext)) - validation_err(X509_V_ERR_INVALID_EXTENSION); - (void) sk_IPAddressFamily_set_cmp_func(ext, IPAddressFamily_cmp); - if ((child = sk_IPAddressFamily_dup(ext)) == NULL) { - X509V3err(X509V3_F_V3_ADDR_VALIDATE_PATH_INTERNAL, ERR_R_MALLOC_FAILURE); - ret = 0; - goto done; - } - - /* - * Now walk up the chain. 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 (!v3_addr_is_canonical(x->rfc3779_addr)) - validation_err(X509_V_ERR_INVALID_EXTENSION); - if (x->rfc3779_addr == NULL) { - for (j = 0; j < sk_IPAddressFamily_num(child); j++) { - IPAddressFamily *fc = sk_IPAddressFamily_value(child, j); - if (fc->ipAddressChoice->type != IPAddressChoice_inherit) { - validation_err(X509_V_ERR_UNNESTED_RESOURCE); - break; - } - } - continue; + IPAddrBlocks *child = NULL; + int i, j, ret = 1; + 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_addr) == NULL) + goto done; } - (void) sk_IPAddressFamily_set_cmp_func(x->rfc3779_addr, IPAddressFamily_cmp); - for (j = 0; j < sk_IPAddressFamily_num(child); j++) { - IPAddressFamily *fc = sk_IPAddressFamily_value(child, j); - int k = sk_IPAddressFamily_find(x->rfc3779_addr, fc); - IPAddressFamily *fp = sk_IPAddressFamily_value(x->rfc3779_addr, k); - if (fp == NULL) { - if (fc->ipAddressChoice->type == IPAddressChoice_addressesOrRanges) { - validation_err(X509_V_ERR_UNNESTED_RESOURCE); - break; - } - continue; - } - if (fp->ipAddressChoice->type == IPAddressChoice_addressesOrRanges) { - if (fc->ipAddressChoice->type == IPAddressChoice_inherit || - addr_contains(fp->ipAddressChoice->u.addressesOrRanges, - fc->ipAddressChoice->u.addressesOrRanges, - length_from_afi(v3_addr_get_afi(fc)))) - sk_IPAddressFamily_set(child, j, fp); - else - validation_err(X509_V_ERR_UNNESTED_RESOURCE); - } + if (!v3_addr_is_canonical(ext)) + validation_err(X509_V_ERR_INVALID_EXTENSION); + (void)sk_IPAddressFamily_set_cmp_func(ext, IPAddressFamily_cmp); + if ((child = sk_IPAddressFamily_dup(ext)) == NULL) { + X509V3err(X509V3_F_V3_ADDR_VALIDATE_PATH_INTERNAL, + ERR_R_MALLOC_FAILURE); + ret = 0; + goto done; + } + + /* + * Now walk up the chain. 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 (!v3_addr_is_canonical(x->rfc3779_addr)) + validation_err(X509_V_ERR_INVALID_EXTENSION); + if (x->rfc3779_addr == NULL) { + for (j = 0; j < sk_IPAddressFamily_num(child); j++) { + IPAddressFamily *fc = sk_IPAddressFamily_value(child, j); + if (fc->ipAddressChoice->type != IPAddressChoice_inherit) { + validation_err(X509_V_ERR_UNNESTED_RESOURCE); + break; + } + } + continue; + } + (void)sk_IPAddressFamily_set_cmp_func(x->rfc3779_addr, + IPAddressFamily_cmp); + for (j = 0; j < sk_IPAddressFamily_num(child); j++) { + IPAddressFamily *fc = sk_IPAddressFamily_value(child, j); + int k = sk_IPAddressFamily_find(x->rfc3779_addr, fc); + IPAddressFamily *fp = + sk_IPAddressFamily_value(x->rfc3779_addr, k); + if (fp == NULL) { + if (fc->ipAddressChoice->type == + IPAddressChoice_addressesOrRanges) { + validation_err(X509_V_ERR_UNNESTED_RESOURCE); + break; + } + continue; + } + if (fp->ipAddressChoice->type == + IPAddressChoice_addressesOrRanges) { + if (fc->ipAddressChoice->type == IPAddressChoice_inherit + || addr_contains(fp->ipAddressChoice->u.addressesOrRanges, + fc->ipAddressChoice->u.addressesOrRanges, + length_from_afi(v3_addr_get_afi(fc)))) + sk_IPAddressFamily_set(child, j, fp); + else + validation_err(X509_V_ERR_UNNESTED_RESOURCE); + } + } } - } - - /* - * Trust anchor can't inherit. - */ - OPENSSL_assert(x != NULL); - if (x->rfc3779_addr != NULL) { - for (j = 0; j < sk_IPAddressFamily_num(x->rfc3779_addr); j++) { - IPAddressFamily *fp = sk_IPAddressFamily_value(x->rfc3779_addr, j); - if (fp->ipAddressChoice->type == IPAddressChoice_inherit && - sk_IPAddressFamily_find(child, fp) >= 0) - validation_err(X509_V_ERR_UNNESTED_RESOURCE); + + /* + * Trust anchor can't inherit. + */ + OPENSSL_assert(x != NULL); + if (x->rfc3779_addr != NULL) { + for (j = 0; j < sk_IPAddressFamily_num(x->rfc3779_addr); j++) { + IPAddressFamily *fp = + sk_IPAddressFamily_value(x->rfc3779_addr, j); + if (fp->ipAddressChoice->type == IPAddressChoice_inherit + && sk_IPAddressFamily_find(child, fp) >= 0) + validation_err(X509_V_ERR_UNNESTED_RESOURCE); + } } - } done: - sk_IPAddressFamily_free(child); - return ret; + sk_IPAddressFamily_free(child); + return ret; } -#undef validation_err +# undef validation_err /* * RFC 3779 2.3 path validation -- called from X509_verify_cert(). */ int v3_addr_validate_path(X509_STORE_CTX *ctx) { - return v3_addr_validate_path_internal(ctx, ctx->chain, NULL); + return v3_addr_validate_path_internal(ctx, ctx->chain, NULL); } /* @@ -1323,16 +1330,15 @@ int v3_addr_validate_path(X509_STORE_CTX *ctx) * Test whether chain covers extension. */ int v3_addr_validate_resource_set(STACK_OF(X509) *chain, - IPAddrBlocks *ext, - int allow_inheritance) + IPAddrBlocks *ext, int allow_inheritance) { - if (ext == NULL) - return 1; - if (chain == NULL || sk_X509_num(chain) == 0) - return 0; - if (!allow_inheritance && v3_addr_inherits(ext)) - return 0; - return v3_addr_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_addr_inherits(ext)) + return 0; + return v3_addr_validate_path_internal(NULL, chain, ext); } -#endif /* OPENSSL_NO_RFC3779 */ +#endif /* OPENSSL_NO_RFC3779 */ |