diff options
Diffstat (limited to 'src/asn1/asn1_alt_name.cpp')
| -rw-r--r-- | src/asn1/asn1_alt_name.cpp | 241 |
1 files changed, 0 insertions, 241 deletions
diff --git a/src/asn1/asn1_alt_name.cpp b/src/asn1/asn1_alt_name.cpp deleted file mode 100644 index 2e7116bac..000000000 --- a/src/asn1/asn1_alt_name.cpp +++ /dev/null @@ -1,241 +0,0 @@ -/* -* AlternativeName -* (C) 1999-2007 Jack Lloyd -* 2007 Yves Jerschow -* -* Distributed under the terms of the Botan license -*/ - -#include <botan/asn1_alt_name.h> -#include <botan/der_enc.h> -#include <botan/ber_dec.h> -#include <botan/oids.h> -#include <botan/internal/stl_util.h> -#include <botan/charset.h> -#include <botan/parsing.h> -#include <botan/loadstor.h> - -namespace Botan { - -namespace { - -/* -* Check if type is a known ASN.1 string type -*/ -bool is_string_type(ASN1_Tag tag) - { - return (tag == NUMERIC_STRING || - tag == PRINTABLE_STRING || - tag == VISIBLE_STRING || - tag == T61_STRING || - tag == IA5_STRING || - tag == UTF8_STRING || - tag == BMP_STRING); - } - -} - -/* -* Create an AlternativeName -*/ -AlternativeName::AlternativeName(const std::string& email_addr, - const std::string& uri, - const std::string& dns, - const std::string& ip) - { - add_attribute("RFC822", email_addr); - add_attribute("DNS", dns); - add_attribute("URI", uri); - add_attribute("IP", ip); - } - -/* -* Add an attribute to an alternative name -*/ -void AlternativeName::add_attribute(const std::string& type, - const std::string& str) - { - if(type == "" || str == "") - return; - - auto range = alt_info.equal_range(type); - for(auto j = range.first; j != range.second; ++j) - if(j->second == str) - return; - - multimap_insert(alt_info, type, str); - } - -/* -* Add an OtherName field -*/ -void AlternativeName::add_othername(const OID& oid, const std::string& value, - ASN1_Tag type) - { - if(value == "") - return; - multimap_insert(othernames, oid, ASN1_String(value, type)); - } - -/* -* Get the attributes of this alternative name -*/ -std::multimap<std::string, std::string> AlternativeName::get_attributes() const - { - return alt_info; - } - -/* -* Get the otherNames -*/ -std::multimap<OID, ASN1_String> AlternativeName::get_othernames() const - { - return othernames; - } - -/* -* Return all of the alternative names -*/ -std::multimap<std::string, std::string> AlternativeName::contents() const - { - std::multimap<std::string, std::string> names; - - for(auto i = alt_info.begin(); i != alt_info.end(); ++i) - multimap_insert(names, i->first, i->second); - - for(auto i = othernames.begin(); i != othernames.end(); ++i) - multimap_insert(names, OIDS::lookup(i->first), i->second.value()); - - return names; - } - -/* -* Return if this object has anything useful -*/ -bool AlternativeName::has_items() const - { - return (alt_info.size() > 0 || othernames.size() > 0); - } - -namespace { - -/* -* DER encode an AlternativeName entry -*/ -void encode_entries(DER_Encoder& encoder, - const std::multimap<std::string, std::string>& attr, - const std::string& type, ASN1_Tag tagging) - { - auto range = attr.equal_range(type); - - for(auto i = range.first; i != range.second; ++i) - { - if(type == "RFC822" || type == "DNS" || type == "URI") - { - ASN1_String asn1_string(i->second, IA5_STRING); - encoder.add_object(tagging, CONTEXT_SPECIFIC, asn1_string.iso_8859()); - } - else if(type == "IP") - { - const u32bit ip = string_to_ipv4(i->second); - byte ip_buf[4] = { 0 }; - store_be(ip, ip_buf); - encoder.add_object(tagging, CONTEXT_SPECIFIC, ip_buf, 4); - } - } - } - -} - -/* -* DER encode an AlternativeName extension -*/ -void AlternativeName::encode_into(DER_Encoder& der) const - { - der.start_cons(SEQUENCE); - - encode_entries(der, alt_info, "RFC822", ASN1_Tag(1)); - encode_entries(der, alt_info, "DNS", ASN1_Tag(2)); - encode_entries(der, alt_info, "URI", ASN1_Tag(6)); - encode_entries(der, alt_info, "IP", ASN1_Tag(7)); - - for(auto i = othernames.begin(); i != othernames.end(); ++i) - { - der.start_explicit(0) - .encode(i->first) - .start_explicit(0) - .encode(i->second) - .end_explicit() - .end_explicit(); - } - - der.end_cons(); - } - -/* -* Decode a BER encoded AlternativeName -*/ -void AlternativeName::decode_from(BER_Decoder& source) - { - BER_Decoder names = source.start_cons(SEQUENCE); - - while(names.more_items()) - { - BER_Object obj = names.get_next_object(); - if((obj.class_tag != CONTEXT_SPECIFIC) && - (obj.class_tag != (CONTEXT_SPECIFIC | CONSTRUCTED))) - continue; - - const ASN1_Tag tag = obj.type_tag; - - if(tag == 0) - { - BER_Decoder othername(obj.value); - - OID oid; - othername.decode(oid); - if(othername.more_items()) - { - BER_Object othername_value_outer = othername.get_next_object(); - othername.verify_end(); - - if(othername_value_outer.type_tag != ASN1_Tag(0) || - othername_value_outer.class_tag != - (CONTEXT_SPECIFIC | CONSTRUCTED) - ) - throw Decoding_Error("Invalid tags on otherName value"); - - BER_Decoder othername_value_inner(othername_value_outer.value); - - BER_Object value = othername_value_inner.get_next_object(); - othername_value_inner.verify_end(); - - const ASN1_Tag value_type = value.type_tag; - - if(is_string_type(value_type) && value.class_tag == UNIVERSAL) - add_othername(oid, ASN1::to_string(value), value_type); - } - } - else if(tag == 1 || tag == 2 || tag == 6) - { - const std::string value = Charset::transcode(ASN1::to_string(obj), - LATIN1_CHARSET, - LOCAL_CHARSET); - - if(tag == 1) add_attribute("RFC822", value); - if(tag == 2) add_attribute("DNS", value); - if(tag == 6) add_attribute("URI", value); - } - else if(tag == 7) - { - if(obj.value.size() == 4) - { - const u32bit ip = load_be<u32bit>(&obj.value[0], 0); - add_attribute("IP", ipv4_to_string(ip)); - } - } - - } - } - -} |